;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs; see the file COPYING. If not, write to
-;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+;; along with GNU Emacs; see the file COPYING. If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
;;; Commentary:
(eval '(run-hooks 'gnus-load-hook))
-(require 'mail-utils)
-(require 'timezone)
-(require 'nnheader)
-
-(eval-when-compile (require 'cl))
-
-;; Site dependent variables. These variables should be defined in
-;; paths.el.
-
-(defvar gnus-default-nntp-server nil
- "Specify a default NNTP server.
-This variable should be defined in paths.el, and should never be set
-by the user.
-If you want to change servers, you should use `gnus-select-method'.
-See the documentation to that variable.")
-
-(defvar gnus-backup-default-subscribed-newsgroups
- '("news.announce.newusers" "news.groups.questions" "gnu.emacs.gnus")
- "Default default new newsgroups the first time Gnus is run.
-Should be set in paths.el, and shouldn't be touched by the user.")
-
-(defvar gnus-local-domain nil
- "Local domain name without a host name.
-The DOMAINNAME environment variable is used instead if it is defined.
-If the `system-name' function returns the full Internet name, there is
-no need to set this variable.")
+(defconst gnus-version-number "0.2"
+ "Version number for this version of Gnus.")
-(defvar gnus-local-organization nil
- "String with a description of what organization (if any) the user belongs to.
-The ORGANIZATION environment variable is used instead if it is defined.
-If this variable contains a function, this function will be called
-with the current newsgroup name as the argument. The function should
-return a string.
+(defconst gnus-version (format "Red Gnus v%s" gnus-version-number)
+ "Version string for this version of Gnus.")
-In any case, if the string (either in the variable, in the environment
-variable, or returned by the function) is a file name, the contents of
-this file will be used as the organization.")
+;;; Splash screen.
-(defvar gnus-use-generic-from nil
- "If nil, the full host name will be the system name prepended to the domain name.
-If this is a string, the full host name will be this string.
-If this is non-nil, non-string, the domain name will be used as the
-full host name.")
+(defvar gnus-group-buffer "*Group*")
-(defvar gnus-use-generic-path nil
- "If nil, use the NNTP server name in the Path header.
-If stringp, use this; if non-nil, use no host name (user name only).")
+(defvar gnus-inhibit-startup-message nil
+ "*If non-nil, the startup message will not be displayed.")
-;; Customization variables
+(defun gnus-splash ()
+ (save-excursion
+ (switch-to-buffer gnus-group-buffer)
+ (let ((buffer-read-only nil))
+ (erase-buffer)
+ (unless gnus-inhibit-startup-message
+ (gnus-group-startup-message)
+ (sit-for 0)))))
-;; Don't touch this variable.
-(defvar gnus-nntp-service "nntp"
- "*NNTP service name (\"nntp\" or 119).
-This is an obsolete variable, which is scarcely used. If you use an
-nntp server for your newsgroup and want to change the port number
-used to 899, you would say something along these lines:
+(defun gnus-indent-rigidly (start end arg)
+ "Indent rigidly using only spaces and no tabs."
+ (save-excursion
+ (save-restriction
+ (narrow-to-region start end)
+ (indent-rigidly start end arg)
+ (goto-char (point-min))
+ (while (search-forward "\t" nil t)
+ (replace-match " " t t)))))
- (setq gnus-select-method '(nntp \"my.nntp.server\" (nntp-port-number 899)))")
+(defun gnus-group-startup-message (&optional x y)
+ "Insert startup message in current buffer."
+ ;; Insert the message.
+ (erase-buffer)
+ (insert
+ (format " %s
+ _ ___ _ _
+ _ ___ __ ___ __ _ ___
+ __ _ ___ __ ___
+ _ ___ _
+ _ _ __ _
+ ___ __ _
+ __ _
+ _ _ _
+ _ _ _
+ _ _ _
+ __ ___
+ _ _ _ _
+ _ _
+ _ _
+ _ _
+ _
+ __
-(defvar gnus-nntpserver-file "/etc/nntpserver"
- "*A file with only the name of the nntp server in it.")
+"
+ ""))
+ ;; And then hack it.
+ (gnus-indent-rigidly (point-min) (point-max)
+ (/ (max (- (window-width) (or x 46)) 0) 2))
+ (goto-char (point-min))
+ (forward-line 1)
+ (let* ((pheight (count-lines (point-min) (point-max)))
+ (wheight (window-height))
+ (rest (- wheight pheight)))
+ (insert (make-string (max 0 (* 2 (/ rest 3))) ?\n)))
+ ;; Fontify some.
+ (goto-char (point-min))
+ (and (search-forward "Praxis" nil t)
+ (put-text-property (match-beginning 0) (match-end 0) 'face 'bold))
+ (goto-char (point-min))
+ (setq mode-line-buffer-identification gnus-version)
+ (set-buffer-modified-p t))
-;; This function is used to check both the environment variable
-;; NNTPSERVER and the /etc/nntpserver file to see whether one can find
-;; an nntp server name default.
-(defun gnus-getenv-nntpserver ()
- (or (getenv "NNTPSERVER")
- (and (file-readable-p gnus-nntpserver-file)
- (save-excursion
- (set-buffer (get-buffer-create " *gnus nntp*"))
- (buffer-disable-undo (current-buffer))
- (insert-file-contents gnus-nntpserver-file)
- (let ((name (buffer-string)))
- (prog1
- (if (string-match "^[ \t\n]*$" name)
- nil
- name)
- (kill-buffer (current-buffer))))))))
+(eval-when (load)
+ (gnus-splash))
-(defvar gnus-select-method
- (nconc
- (list 'nntp (or (condition-case ()
- (gnus-getenv-nntpserver)
- (error nil))
- (if (and gnus-default-nntp-server
- (not (string= gnus-default-nntp-server "")))
- gnus-default-nntp-server)
- (system-name)))
- (if (or (null gnus-nntp-service)
- (equal gnus-nntp-service "nntp"))
- nil
- (list gnus-nntp-service)))
- "*Default method for selecting a newsgroup.
-This variable should be a list, where the first element is how the
-news is to be fetched, the second is the address.
+;;; Do the rest.
-For instance, if you want to get your news via NNTP from
-\"flab.flab.edu\", you could say:
+(require 'gnus-load)
-(setq gnus-select-method '(nntp \"flab.flab.edu\"))
+\f
-If you want to use your local spool, say:
+;; Fix by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
+;; If you want the cursor to go somewhere else, set these two
+;; functions in some startup hook to whatever you want.
+(defalias 'gnus-summary-position-point 'gnus-goto-colon)
+(defalias 'gnus-group-position-point 'gnus-goto-colon)
-(setq gnus-select-method (list 'nnspool (system-name)))
+;;; Various macros and substs.
-If you use this variable, you must set `gnus-nntp-server' to nil.
+(defun gnus-header-from (header)
+ (mail-header-from header))
-There is a lot more to know about select methods and virtual servers -
-see the manual for details.")
+(defmacro gnus-gethash (string hashtable)
+ "Get hash value of STRING in HASHTABLE."
+ `(symbol-value (intern-soft ,string ,hashtable)))
-(defvar gnus-message-archive-method
- '(nnfolder "archive" (nnfolder-directory "~/Mail/archive/")
- (nnfolder-active-file "~/Mail/archive/active")
- (nnfolder-get-new-mail nil)
- (nnfolder-inhibit-expiry t))
- "*Method used for archiving messages you've sent.
-This should be a mail method.")
+(defmacro gnus-sethash (string value hashtable)
+ "Set hash value. Arguments are STRING, VALUE, and HASHTABLE."
+ `(set (intern ,string ,hashtable) ,value))
-(defvar gnus-refer-article-method nil
- "*Preferred method for fetching an article by Message-ID.
-If you are reading news from the local spool (with nnspool), fetching
-articles by Message-ID is painfully slow. By setting this method to an
-nntp method, you might get acceptable results.
+(defmacro gnus-group-unread (group)
+ "Get the currently computed number of unread articles in GROUP."
+ `(car (gnus-gethash ,group gnus-newsrc-hashtb)))
-The value of this variable must be a valid select method as discussed
-in the documentation of `gnus-select-method'.")
+(defmacro gnus-group-entry (group)
+ "Get the newsrc entry for GROUP."
+ `(gnus-gethash ,group gnus-newsrc-hashtb))
-(defvar gnus-secondary-select-methods nil
- "*A list of secondary methods that will be used for reading news.
-This is a list where each element is a complete select method (see
-`gnus-select-method').
+(defmacro gnus-active (group)
+ "Get active info on GROUP."
+ `(gnus-gethash ,group gnus-active-hashtb))
-If, for instance, you want to read your mail with the nnml backend,
-you could set this variable:
+(defmacro gnus-set-active (group active)
+ "Set GROUP's active info."
+ `(gnus-sethash ,group ,active gnus-active-hashtb))
-(setq gnus-secondary-select-methods '((nnml \"\")))")
+(defun gnus-alive-p ()
+ "Say whether Gnus is running or not."
+ (and gnus-group-buffer
+ (get-buffer gnus-group-buffer)))
-(defvar gnus-secondary-servers nil
- "*List of NNTP servers that the user can choose between interactively.
-To make Gnus query you for a server, you have to give `gnus' a
-non-numeric prefix - `C-u M-x gnus', in short.")
+;; Info access macros.
-(defvar gnus-nntp-server nil
- "*The name of the host running the NNTP server.
-This variable is semi-obsolete. Use the `gnus-select-method'
-variable instead.")
+(defmacro gnus-info-group (info)
+ `(nth 0 ,info))
+(defmacro gnus-info-rank (info)
+ `(nth 1 ,info))
+(defmacro gnus-info-read (info)
+ `(nth 2 ,info))
+(defmacro gnus-info-marks (info)
+ `(nth 3 ,info))
+(defmacro gnus-info-method (info)
+ `(nth 4 ,info))
+(defmacro gnus-info-params (info)
+ `(nth 5 ,info))
-(defvar gnus-startup-file "~/.newsrc"
- "*Your `.newsrc' file.
-`.newsrc-SERVER' will be used instead if that exists.")
+(defmacro gnus-info-level (info)
+ `(let ((rank (gnus-info-rank ,info)))
+ (if (consp rank)
+ (car rank)
+ rank)))
+(defmacro gnus-info-score (info)
+ `(let ((rank (gnus-info-rank ,info)))
+ (or (and (consp rank) (cdr rank)) 0)))
-(defvar gnus-init-file "~/.gnus"
- "*Your Gnus elisp startup file.
-If a file with the .el or .elc suffixes exist, it will be read
-instead.")
+(defmacro gnus-info-set-group (info group)
+ `(setcar ,info ,group))
+(defmacro gnus-info-set-rank (info rank)
+ `(setcar (nthcdr 1 ,info) ,rank))
+(defmacro gnus-info-set-read (info read)
+ `(setcar (nthcdr 2 ,info) ,read))
+(defmacro gnus-info-set-marks (info marks)
+ `(setcar (nthcdr 3 ,info) ,marks))
+(defmacro gnus-info-set-method (info method)
+ `(setcar (nthcdr 4 ,info) ,method))
+(defmacro gnus-info-set-params (info params)
+ `(setcar (nthcdr 5 ,info) ,params))
-(defvar gnus-group-faq-directory
- '("/ftp@mirrors.aol.com:/pub/rtfm/usenet/"
- "/ftp@src.doc.ic.ac.uk:/usenet/news-FAQS/"
- "/ftp@ftp.seas.gwu.edu:/pub/rtfm/"
- "/ftp@rtfm.mit.edu:/pub/usenet/news.answers/"
- "/ftp@ftp.uni-paderborn.de:/pub/FAQ/"
- "/ftp@ftp.sunet.se:/pub/usenet/"
- "/ftp@nctuccca.edu.tw:/USENET/FAQ/"
- "/ftp@hwarang.postech.ac.kr:/pub/usenet/news.answers/"
- "/ftp@ftp.hk.super.net:/mirror/faqs/")
- "*Directory where the group FAQs are stored.
-This will most commonly be on a remote machine, and the file will be
-fetched by ange-ftp.
+(defmacro gnus-info-set-level (info level)
+ `(let ((rank (cdr ,info)))
+ (if (consp (car rank))
+ (setcar (car rank) ,level)
+ (setcar rank ,level))))
+(defmacro gnus-info-set-score (info score)
+ `(let ((rank (cdr ,info)))
+ (if (consp (car rank))
+ (setcdr (car rank) ,score)
+ (setcar rank (cons (car rank) ,score)))))
-This variable can also be a list of directories. In that case, the
-first element in the list will be used by default, and the others will
-be used as backup sites.
+(defmacro gnus-get-info (group)
+ `(nth 2 (gnus-gethash ,group gnus-newsrc-hashtb)))
-Note that Gnus uses an aol machine as the default directory. If this
-feels fundamentally unclean, just think of it as a way to finally get
-something of value back from them.
+;; Find out whether the gnus-visual TYPE is wanted.
+(defun gnus-visual-p (&optional type class)
+ (and gnus-visual ; Has to be non-nil, at least.
+ (if (not type) ; We don't care about type.
+ gnus-visual
+ (if (listp gnus-visual) ; It's a list, so we check it.
+ (or (memq type gnus-visual)
+ (memq class gnus-visual))
+ t))))
-If the default site is too slow, try one of these:
+;;; Load the compatability functions.
- North America: mirrors.aol.com /pub/rtfm/usenet
- ftp.seas.gwu.edu /pub/rtfm
- rtfm.mit.edu /pub/usenet/news.answers
- Europe: ftp.uni-paderborn.de /pub/FAQ
- src.doc.ic.ac.uk /usenet/news-FAQS
- ftp.sunet.se /pub/usenet
- Asia: nctuccca.edu.tw /USENET/FAQ
- hwarang.postech.ac.kr /pub/usenet/news.answers
- ftp.hk.super.net /mirror/faqs")
+(require 'gnus-cus)
+(require 'gnus-ems)
-(defvar gnus-group-archive-directory
- "/ftp@ftp.hpc.uh.edu:/pub/emacs/ding-list/"
- "*The address of the (ding) archives.")
+\f
+;;;
+;;; Shutdown
+;;;
-(defvar gnus-group-recent-archive-directory
- "/ftp@ftp.hpc.uh.edu:/pub/emacs/ding-list-recent/"
- "*The address of the most recent (ding) articles.")
+(defvar gnus-shutdown-alist nil)
-(defvar gnus-default-subscribed-newsgroups nil
- "*This variable lists what newsgroups should be subscribed the first time Gnus is used.
-It should be a list of strings.
-If it is `t', Gnus will not do anything special the first time it is
-started; it'll just use the normal newsgroups subscription methods.")
+(defun gnus-add-shutdown (function &rest symbols)
+ "Run FUNCTION whenever one of SYMBOLS is shut down."
+ (push (cons function symbols) gnus-shutdown-alist))
-(defvar gnus-use-cross-reference t
- "*Non-nil means that cross referenced articles will be marked as read.
-If nil, ignore cross references. If t, mark articles as read in
-subscribed newsgroups. If neither t nor nil, mark as read in all
-newsgroups.")
+(defun gnus-shutdown (symbol)
+ "Shut down everything that waits for SYMBOL."
+ (let ((alist gnus-shutdown-alist)
+ entry)
+ (while (setq entry (pop alist))
+ (when (memq symbol (cdr entry))
+ (funcall (car entry))))))
-(defvar gnus-single-article-buffer t
- "*If non-nil, display all articles in the same buffer.
-If nil, each group will get its own article buffer.")
+\f
+;;;
+;;; Gnus Utility Functions
+;;;
-(defvar gnus-use-dribble-file t
- "*Non-nil means that Gnus will use a dribble file to store user updates.
-If Emacs should crash without saving the .newsrc files, complete
-information can be restored from the dribble file.")
+;; Add the current buffer to the list of buffers to be killed on exit.
+(defun gnus-add-current-to-buffer-list ()
+ (or (memq (current-buffer) gnus-buffer-list)
+ (setq gnus-buffer-list (cons (current-buffer) gnus-buffer-list))))
-(defvar gnus-dribble-directory nil
- "*The directory where dribble files will be saved.
-If this variable is nil, the directory where the .newsrc files are
-saved will be used.")
+(defun gnus-version (&optional arg)
+ "Version number of this version of Gnus.
+If ARG, insert string at point."
+ (interactive "P")
+ (let ((methods gnus-valid-select-methods)
+ (mess gnus-version)
+ meth)
+ ;; Go through all the legal select methods and add their version
+ ;; numbers to the total version string. Only the backends that are
+ ;; currently in use will have their message numbers taken into
+ ;; consideration.
+ (while methods
+ (setq meth (intern (concat (caar methods) "-version")))
+ (and (boundp meth)
+ (stringp (symbol-value meth))
+ (setq mess (concat mess "; " (symbol-value meth))))
+ (setq methods (cdr methods)))
+ (if arg
+ (insert (message mess))
+ (message mess))))
+
+(defun gnus-continuum-version (version)
+ "Return VERSION as a floating point number."
+ (when (or (string-match "^\\([^ ]+\\)? ?Gnus v?\\([0-9.]+\\)$" version)
+ (string-match "^\\(.?\\)gnus-\\([0-9.]+\\)$" version))
+ (let* ((alpha (and (match-beginning 1) (match-string 1 version)))
+ (number (match-string 2 version))
+ major minor least)
+ (string-match "\\([0-9]\\)\\.\\([0-9]+\\)\\.?\\([0-9]+\\)?" number)
+ (setq major (string-to-number (match-string 1 number)))
+ (setq minor (string-to-number (match-string 2 number)))
+ (setq least (if (match-beginning 3)
+ (string-to-number (match-string 3 number))
+ 0))
+ (string-to-number
+ (if (zerop major)
+ (format "%s00%02d%02d"
+ (cond
+ ((member alpha '("(ding)" "d")) "4.99")
+ ((member alpha '("September" "s")) "5.01")
+ ((member alpha '("Red" "r")) "5.03"))
+ minor least)
+ (format "%d.%02d%02d" major minor least))))))
-(defvar gnus-asynchronous nil
- "*If non-nil, Gnus will supply backends with data needed for async article fetching.")
+(defun gnus-info-find-node ()
+ "Find Info documentation of Gnus."
+ (interactive)
+ ;; Enlarge info window if needed.
+ (let ((mode major-mode)
+ gnus-info-buffer)
+ (Info-goto-node (cadr (assq mode gnus-info-nodes)))
+ (setq gnus-info-buffer (current-buffer))
+ (gnus-configure-windows 'info)))
-(defvar gnus-kill-summary-on-exit t
- "*If non-nil, kill the summary buffer when you exit from it.
-If nil, the summary will become a \"*Dead Summary*\" buffer, and
-it will be killed sometime later.")
+;;; More various functions.
-(defvar gnus-large-newsgroup 200
- "*The number of articles which indicates a large newsgroup.
-If the number of articles in a newsgroup is greater than this value,
-confirmation is required for selecting the newsgroup.")
+(defun gnus-group-read-only-p (&optional group)
+ "Check whether GROUP supports editing or not.
+If GROUP is nil, `gnus-newsgroup-name' will be checked instead. Note
+that that variable is buffer-local to the summary buffers."
+ (let ((group (or group gnus-newsgroup-name)))
+ (not (gnus-check-backend-function 'request-replace-article group))))
-;; Suggested by Andrew Eskilsson <pi92ae@lelle.pt.hk-r.se>.
-(defvar gnus-no-groups-message "No news is horrible news"
- "*Message displayed by Gnus when no groups are available.")
+(defun gnus-group-total-expirable-p (group)
+ "Check whether GROUP is total-expirable or not."
+ (let ((params (gnus-info-params (gnus-get-info group))))
+ (or (memq 'total-expire params)
+ (cdr (assq 'total-expire params)) ; (total-expire . t)
+ (and gnus-total-expirable-newsgroups ; Check var.
+ (string-match gnus-total-expirable-newsgroups group)))))
-(defvar gnus-use-long-file-name (not (memq system-type '(usg-unix-v xenix)))
- "*Non-nil means that the default name of a file to save articles in is the group name.
-If it's nil, the directory form of the group name is used instead.
+(defun gnus-group-auto-expirable-p (group)
+ "Check whether GROUP is total-expirable or not."
+ (let ((params (gnus-info-params (gnus-get-info group))))
+ (or (memq 'auto-expire params)
+ (cdr (assq 'auto-expire params)) ; (auto-expire . t)
+ (and gnus-auto-expirable-newsgroups ; Check var.
+ (string-match gnus-auto-expirable-newsgroups group)))))
-If this variable is a list, and the list contains the element
-`not-score', long file names will not be used for score files; if it
-contains the element `not-save', long file names will not be used for
-saving; and if it contains the element `not-kill', long file names
-will not be used for kill files.")
+(defun gnus-virtual-group-p (group)
+ "Say whether GROUP is virtual or not."
+ (memq 'virtual (assoc (symbol-name (car (gnus-find-method-for-group group)))
+ gnus-valid-select-methods)))
-(defvar gnus-article-save-directory (or (getenv "SAVEDIR") "~/News/")
- "*Name of the directory articles will be saved in (default \"~/News\").
-Initialized from the SAVEDIR environment variable.")
+(defun gnus-news-group-p (group &optional article)
+ "Return non-nil if GROUP (and ARTICLE) come from a news server."
+ (or (gnus-member-of-valid 'post group) ; Ordinary news group.
+ (and (gnus-member-of-valid 'post-mail group) ; Combined group.
+ (eq (gnus-request-type group article) 'news))))
-(defvar gnus-kill-files-directory (or (getenv "SAVEDIR") "~/News/")
- "*Name of the directory where kill files will be stored (default \"~/News\").
-Initialized from the SAVEDIR environment variable.")
+;; Returns a list of writable groups.
+(defun gnus-writable-groups ()
+ (let ((alist gnus-newsrc-alist)
+ groups group)
+ (while (setq group (car (pop alist)))
+ (unless (gnus-group-read-only-p group)
+ (push group groups)))
+ (nreverse groups)))
-(defvar gnus-default-article-saver 'gnus-summary-save-in-rmail
- "*A function to save articles in your favorite format.
-The function must be interactively callable (in other words, it must
-be an Emacs command).
+;; Check whether to use long file names.
+(defun gnus-use-long-file-name (symbol)
+ ;; The variable has to be set...
+ (and gnus-use-long-file-name
+ ;; If it isn't a list, then we return t.
+ (or (not (listp gnus-use-long-file-name))
+ ;; If it is a list, and the list contains `symbol', we
+ ;; return nil.
+ (not (memq symbol gnus-use-long-file-name)))))
-Gnus provides the following functions:
+;; Generate a unique new group name.
+(defun gnus-generate-new-group-name (leaf)
+ (let ((name leaf)
+ (num 0))
+ (while (gnus-gethash name gnus-newsrc-hashtb)
+ (setq name (concat leaf "<" (int-to-string (setq num (1+ num))) ">")))
+ name))
-* gnus-summary-save-in-rmail (Rmail format)
-* gnus-summary-save-in-mail (Unix mail format)
-* gnus-summary-save-in-folder (MH folder)
-* gnus-summary-save-in-file (article format).
-* gnus-summary-save-in-vm (use VM's folder format).")
+(defun gnus-ephemeral-group-p (group)
+ "Say whether GROUP is ephemeral or not."
+ (gnus-group-get-parameter group 'quit-config))
-(defvar gnus-prompt-before-saving 'always
- "*This variable says how much prompting is to be done when saving articles.
-If it is nil, no prompting will be done, and the articles will be
-saved to the default files. If this variable is `always', each and
-every article that is saved will be preceded by a prompt, even when
-saving large batches of articles. If this variable is neither nil not
-`always', there the user will be prompted once for a file name for
-each invocation of the saving commands.")
+(defun gnus-group-quit-config (group)
+ "Return the quit-config of GROUP."
+ (gnus-group-get-parameter group 'quit-config))
-(defvar gnus-rmail-save-name (function gnus-plain-save-name)
- "*A function generating a file name to save articles in Rmail format.
-The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE.")
+(defun gnus-simplify-mode-line ()
+ "Make mode lines a bit simpler."
+ (setq mode-line-modified "-- ")
+ (when (listp mode-line-format)
+ (make-local-variable 'mode-line-format)
+ (setq mode-line-format (copy-sequence mode-line-format))
+ (when (equal (nth 3 mode-line-format) " ")
+ (setcar (nthcdr 3 mode-line-format) " "))))
-(defvar gnus-mail-save-name (function gnus-plain-save-name)
- "*A function generating a file name to save articles in Unix mail format.
-The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE.")
+;;; Servers and groups.
-(defvar gnus-folder-save-name (function gnus-folder-save-name)
- "*A function generating a file name to save articles in MH folder.
-The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER.")
+(defsubst gnus-server-add-address (method)
+ (let ((method-name (symbol-name (car method))))
+ (if (and (memq 'address (assoc method-name gnus-valid-select-methods))
+ (not (assq (intern (concat method-name "-address")) method)))
+ (append method (list (list (intern (concat method-name "-address"))
+ (nth 1 method))))
+ method)))
-(defvar gnus-file-save-name (function gnus-numeric-save-name)
- "*A function generating a file name to save articles in article format.
-The function is called with NEWSGROUP, HEADERS, and optional
-LAST-FILE.")
+(defsubst gnus-server-get-method (group method)
+ ;; Input either a server name, and extended server name, or a
+ ;; select method, and return a select method.
+ (cond ((stringp method)
+ (gnus-server-to-method method))
+ ((equal method gnus-select-method)
+ gnus-select-method)
+ ((and (stringp (car method)) group)
+ (gnus-server-extend-method group method))
+ ((and method (not group)
+ (equal (cadr method) ""))
+ method)
+ (t
+ (gnus-server-add-address method))))
-(defvar gnus-split-methods
- '((gnus-article-archive-name))
- "*Variable used to suggest where articles are to be saved.
-For instance, if you would like to save articles related to Gnus in
-the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
-you could set this variable to something like:
-
- '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
- (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
-
-This variable is an alist where the where the key is the match and the
-value is a list of possible files to save in if the match is non-nil.
-
-If the match is a string, it is used as a regexp match on the
-article. If the match is a symbol, that symbol will be funcalled
-from the buffer of the article to be saved with the newsgroup as the
-parameter. If it is a list, it will be evaled in the same buffer.
-
-If this form or function returns a string, this string will be used as
-a possible file name; and if it returns a non-nil list, that list will
-be used as possible file names.")
-
-(defvar gnus-move-split-methods nil
- "*Variable used to suggest where articles are to be moved to.
-It uses the same syntax as the `gnus-split-methods' variable.")
-
-(defvar gnus-save-score nil
- "*If non-nil, save group scoring info.")
-
-(defvar gnus-use-adaptive-scoring nil
- "*If non-nil, use some adaptive scoring scheme.")
-
-(defvar gnus-use-cache nil
- "*If nil, Gnus will ignore the article cache.
-If `passive', it will allow entering (and reading) articles
-explicitly entered into the cache. If anything else, use the
-cache to the full extent of the law.")
-
-(defvar gnus-use-trees nil
- "*If non-nil, display a thread tree buffer.")
-
-(defvar gnus-use-grouplens nil
- "*If non-nil, use GroupLens ratings.")
-
-(defvar gnus-keep-backlog nil
- "*If non-nil, Gnus will keep read articles for later re-retrieval.
-If it is a number N, then Gnus will only keep the last N articles
-read. If it is neither nil nor a number, Gnus will keep all read
-articles. This is not a good idea.")
-
-(defvar gnus-use-nocem nil
- "*If non-nil, Gnus will read NoCeM cancel messages.")
-
-(defvar gnus-use-demon nil
- "If non-nil, Gnus might use some demons.")
-
-(defvar gnus-use-scoring t
- "*If non-nil, enable scoring.")
-
-(defvar gnus-use-picons nil
- "*If non-nil, display picons.")
-
-(defvar gnus-fetch-old-headers nil
- "*Non-nil means that Gnus will try to build threads by grabbing old headers.
-If an unread article in the group refers to an older, already read (or
-just marked as read) article, the old article will not normally be
-displayed in the Summary buffer. If this variable is non-nil, Gnus
-will attempt to grab the headers to the old articles, and thereby
-build complete threads. If it has the value `some', only enough
-headers to connect otherwise loose threads will be displayed.
-This variable can also be a number. In that case, no more than that
-number of old headers will be fetched.
-
-The server has to support NOV for any of this to work.")
-
-;see gnus-cus.el
-;(defvar gnus-visual t
-; "*If non-nil, will do various highlighting.
-;If nil, no mouse highlights (or any other highlights) will be
-;performed. This might speed up Gnus some when generating large group
-;and summary buffers.")
-
-(defvar gnus-novice-user t
- "*Non-nil means that you are a usenet novice.
-If non-nil, verbose messages may be displayed and confirmations may be
-required.")
-
-(defvar gnus-expert-user nil
- "*Non-nil means that you will never be asked for confirmation about anything.
-And that means *anything*.")
-
-(defvar gnus-verbose 7
- "*Integer that says how verbose Gnus should be.
-The higher the number, the more messages Gnus will flash to say what
-it's doing. At zero, Gnus will be totally mute; at five, Gnus will
-display most important messages; and at ten, Gnus will keep on
-jabbering all the time.")
-
-(defvar gnus-keep-same-level nil
- "*Non-nil means that the next newsgroup after the current will be on the same level.
-When you type, for instance, `n' after reading the last article in the
-current newsgroup, you will go to the next newsgroup. If this variable
-is nil, the next newsgroup will be the next from the group
-buffer.
-If this variable is non-nil, Gnus will either put you in the
-next newsgroup with the same level, or, if no such newsgroup is
-available, the next newsgroup with the lowest possible level higher
-than the current level.
-If this variable is `best', Gnus will make the next newsgroup the one
-with the best level.")
-
-(defvar gnus-summary-make-false-root 'adopt
- "*nil means that Gnus won't gather loose threads.
-If the root of a thread has expired or been read in a previous
-session, the information necessary to build a complete thread has been
-lost. Instead of having many small sub-threads from this original thread
-scattered all over the summary buffer, Gnus can gather them.
-
-If non-nil, Gnus will try to gather all loose sub-threads from an
-original thread into one large thread.
-
-If this variable is non-nil, it should be one of `none', `adopt',
-`dummy' or `empty'.
-
-If this variable is `none', Gnus will not make a false root, but just
-present the sub-threads after another.
-If this variable is `dummy', Gnus will create a dummy root that will
-have all the sub-threads as children.
-If this variable is `adopt', Gnus will make one of the \"children\"
-the parent and mark all the step-children as such.
-If this variable is `empty', the \"children\" are printed with empty
-subject fields. (Or rather, they will be printed with a string
-given by the `gnus-summary-same-subject' variable.)")
-
-(defvar gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
- "*A regexp to match subjects to be excluded from loose thread gathering.
-As loose thread gathering is done on subjects only, that means that
-there can be many false gatherings performed. By rooting out certain
-common subjects, gathering might become saner.")
-
-(defvar gnus-summary-gather-subject-limit nil
- "*Maximum length of subject comparisons when gathering loose threads.
-Use nil to compare full subjects. Setting this variable to a low
-number will help gather threads that have been corrupted by
-newsreaders chopping off subject lines, but it might also mean that
-unrelated articles that have subject that happen to begin with the
-same few characters will be incorrectly gathered.
-
-If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
-comparing subjects.")
-
-(defvar gnus-simplify-ignored-prefixes nil
- "*Regexp, matches for which are removed from subject lines when simplifying.")
-
-(defvar gnus-build-sparse-threads nil
- "*If non-nil, fill in the gaps in threads.
-If `some', only fill in the gaps that are needed to tie loose threads
-together. If `more', fill in all leaf nodes that Gnus can find. If
-non-nil and non-`some', fill in all gaps that Gnus manages to guess.")
-
-(defvar gnus-summary-thread-gathering-function 'gnus-gather-threads-by-subject
- "Function used for gathering loose threads.
-There are two pre-defined functions: `gnus-gather-threads-by-subject',
-which only takes Subjects into consideration; and
-`gnus-gather-threads-by-references', which compared the References
-headers of the articles to find matches.")
-
-;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
-(defvar gnus-summary-same-subject ""
- "*String indicating that the current article has the same subject as the previous.
-This variable will only be used if the value of
-`gnus-summary-make-false-root' is `empty'.")
-
-(defvar gnus-summary-goto-unread t
- "*If non-nil, marking commands will go to the next unread article.
-If `never', \\<gnus-summary-mode-map>\\[gnus-summary-next-page] will go to the next article,
-whether it is read or not.")
-
-(defvar gnus-group-goto-unread t
- "*If non-nil, movement commands will go to the next unread and subscribed group.")
-
-(defvar gnus-goto-next-group-when-activating t
- "*If non-nil, the \\<gnus-group-mode-map>\\[gnus-group-get-new-news-this-group] command will advance point to the next group.")
-
-(defvar gnus-check-new-newsgroups t
- "*Non-nil means that Gnus will add new newsgroups at startup.
-If this variable is `ask-server', Gnus will ask the server for new
-groups since the last time it checked. This means that the killed list
-is no longer necessary, so you could set `gnus-save-killed-list' to
-nil.
-
-A variant is to have this variable be a list of select methods. Gnus
-will then use the `ask-server' method on all these select methods to
-query for new groups from all those servers.
-
-Eg.
- (setq gnus-check-new-newsgroups
- '((nntp \"some.server\") (nntp \"other.server\")))
-
-If this variable is nil, then you have to tell Gnus explicitly to
-check for new newsgroups with \\<gnus-group-mode-map>\\[gnus-find-new-newsgroups].")
-
-(defvar gnus-check-bogus-newsgroups nil
- "*Non-nil means that Gnus will check and remove bogus newsgroup at startup.
-If this variable is nil, then you have to tell Gnus explicitly to
-check for bogus newsgroups with \\<gnus-group-mode-map>\\[gnus-group-check-bogus-groups].")
-
-(defvar gnus-read-active-file t
- "*Non-nil means that Gnus will read the entire active file at startup.
-If this variable is nil, Gnus will only know about the groups in your
-`.newsrc' file.
-
-If this variable is `some', Gnus will try to only read the relevant
-parts of the active file from the server. Not all servers support
-this, and it might be quite slow with other servers, but this should
-generally be faster than both the t and nil value.
-
-If you set this variable to nil or `some', you probably still want to
-be told about new newsgroups that arrive. To do that, set
-`gnus-check-new-newsgroups' to `ask-server'. This may not work
-properly with all servers.")
-
-(defvar gnus-level-subscribed 5
- "*Groups with levels less than or equal to this variable are subscribed.")
-
-(defvar gnus-level-unsubscribed 7
- "*Groups with levels less than or equal to this variable are unsubscribed.
-Groups with levels less than `gnus-level-subscribed', which should be
-less than this variable, are subscribed.")
-
-(defvar gnus-level-zombie 8
- "*Groups with this level are zombie groups.")
-
-(defvar gnus-level-killed 9
- "*Groups with this level are killed.")
-
-(defvar gnus-level-default-subscribed 3
- "*New subscribed groups will be subscribed at this level.")
-
-(defvar gnus-level-default-unsubscribed 6
- "*New unsubscribed groups will be unsubscribed at this level.")
-
-(defvar gnus-activate-level (1+ gnus-level-subscribed)
- "*Groups higher than this level won't be activated on startup.
-Setting this variable to something log might save lots of time when
-you have many groups that you aren't interested in.")
-
-(defvar gnus-activate-foreign-newsgroups 4
- "*If nil, Gnus will not check foreign newsgroups at startup.
-If it is non-nil, it should be a number between one and nine. Foreign
-newsgroups that have a level lower or equal to this number will be
-activated on startup. For instance, if you want to active all
-subscribed newsgroups, but not the rest, you'd set this variable to
-`gnus-level-subscribed'.
-
-If you subscribe to lots of newsgroups from different servers, startup
-might take a while. By setting this variable to nil, you'll save time,
-but you won't be told how many unread articles there are in the
-groups.")
-
-(defvar gnus-save-newsrc-file t
- "*Non-nil means that Gnus will save the `.newsrc' file.
-Gnus always saves its own startup file, which is called
-\".newsrc.eld\". The file called \".newsrc\" is in a format that can
-be readily understood by other newsreaders. If you don't plan on
-using other newsreaders, set this variable to nil to save some time on
-exit.")
-
-(defvar gnus-save-killed-list t
- "*If non-nil, save the list of killed groups to the startup file.
-If you set this variable to nil, you'll save both time (when starting
-and quitting) and space (both memory and disk), but it will also mean
-that Gnus has no record of which groups are new and which are old, so
-the automatic new newsgroups subscription methods become meaningless.
-
-You should always set `gnus-check-new-newsgroups' to `ask-server' or
-nil if you set this variable to nil.")
-
-(defvar gnus-interactive-catchup t
- "*If non-nil, require your confirmation when catching up a group.")
-
-(defvar gnus-interactive-post t
- "*If non-nil, group name will be asked for when posting.")
-
-(defvar gnus-interactive-exit t
- "*If non-nil, require your confirmation when exiting Gnus.")
-
-(defvar gnus-kill-killed t
- "*If non-nil, Gnus will apply kill files to already killed articles.
-If it is nil, Gnus will never apply kill files to articles that have
-already been through the scoring process, which might very well save lots
-of time.")
-
-(defvar gnus-extract-address-components 'gnus-extract-address-components
- "*Function for extracting address components from a From header.
-Two pre-defined function exist: `gnus-extract-address-components',
-which is the default, quite fast, and too simplistic solution, and
-`mail-extract-address-components', which works much better, but is
-slower.")
-
-(defvar gnus-summary-default-score 0
- "*Default article score level.
-If this variable is nil, scoring will be disabled.")
-
-(defvar gnus-summary-zcore-fuzz 0
- "*Fuzziness factor for the zcore in the summary buffer.
-Articles with scores closer than this to `gnus-summary-default-score'
-will not be marked.")
-
-(defvar gnus-simplify-subject-fuzzy-regexp nil
- "*Strings to be removed when doing fuzzy matches.
-This can either be a regular expression or list of regular expressions
-that will be removed from subject strings if fuzzy subject
-simplification is selected.")
-
-(defvar gnus-permanently-visible-groups nil
- "*Regexp to match groups that should always be listed in the group buffer.
-This means that they will still be listed when there are no unread
-articles in the groups.")
-
-(defvar gnus-list-groups-with-ticked-articles t
- "*If non-nil, list groups that have only ticked articles.
-If nil, only list groups that have unread articles.")
-
-(defvar gnus-group-default-list-level gnus-level-subscribed
- "*Default listing level.
-Ignored if `gnus-group-use-permanent-levels' is non-nil.")
-
-(defvar gnus-group-use-permanent-levels nil
- "*If non-nil, once you set a level, Gnus will use this level.")
-
-(defvar gnus-group-list-inactive-groups t
- "*If non-nil, inactive groups will be listed.")
-
-(defvar gnus-show-mime nil
- "*If non-nil, do mime processing of articles.
-The articles will simply be fed to the function given by
-`gnus-show-mime-method'.")
-
-(defvar gnus-strict-mime t
- "*If nil, MIME-decode even if there is no Mime-Version header in the article.")
-
-(defvar gnus-show-mime-method 'metamail-buffer
- "*Function to process a MIME message.
-The function is called from the article buffer.")
-
-(defvar gnus-decode-encoded-word-method (lambda ())
- "*Function to decode a MIME encoded-words.
-The function is called from the article buffer.")
-
-(defvar gnus-show-threads t
- "*If non-nil, display threads in summary mode.")
-
-(defvar gnus-thread-hide-subtree nil
- "*If non-nil, hide all threads initially.
-If threads are hidden, you have to run the command
-`gnus-summary-show-thread' by hand or use `gnus-select-article-hook'
-to expose hidden threads.")
-
-(defvar gnus-thread-hide-killed t
- "*If non-nil, hide killed threads automatically.")
-
-(defvar gnus-thread-ignore-subject nil
- "*If non-nil, ignore subjects and do all threading based on the Reference header.
-If nil, which is the default, articles that have different subjects
-from their parents will start separate threads.")
-
-(defvar gnus-thread-operation-ignore-subject t
- "*If non-nil, subjects will be ignored when doing thread commands.
-This affects commands like `gnus-summary-kill-thread' and
-`gnus-summary-lower-thread'.
-
-If this variable is nil, articles in the same thread with different
-subjects will not be included in the operation in question. If this
-variable is `fuzzy', only articles that have subjects that are fuzzily
-equal will be included.")
-
-(defvar gnus-thread-indent-level 4
- "*Number that says how much each sub-thread should be indented.")
-
-(defvar gnus-ignored-newsgroups
- (purecopy (mapconcat 'identity
- '("^to\\." ; not "real" groups
- "^[0-9. \t]+ " ; all digits in name
- "[][\"#'()]" ; bogus characters
- )
- "\\|"))
- "*A regexp to match uninteresting newsgroups in the active file.
-Any lines in the active file matching this regular expression are
-removed from the newsgroup list before anything else is done to it,
-thus making them effectively non-existent.")
-
-(defvar gnus-ignored-headers
- "^Path:\\|^Posting-Version:\\|^Article-I.D.:\\|^Expires:\\|^Date-Received:\\|^References:\\|^Control:\\|^Xref:\\|^Lines:\\|^Posted:\\|^Relay-Version:\\|^Message-ID:\\|^Nf-ID:\\|^Nf-From:\\|^Approved:\\|^Sender:\\|^Received:\\|^Mail-from:"
- "*All headers that match this regexp will be hidden.
-This variable can also be a list of regexps of headers to be ignored.
-If `gnus-visible-headers' is non-nil, this variable will be ignored.")
-
-(defvar gnus-visible-headers "^From:\\|^Newsgroups:\\|^Subject:\\|^Date:\\|^Followup-To:\\|^Reply-To:\\|^Organization:\\|^Summary:\\|^Keywords:\\|^To:\\|^Cc:\\|^Posted-To:\\|^Mail-Copies-To:\\|^Apparently-To:\\|^Gnus-Warning:\\|^Resent-"
- "*All headers that do not match this regexp will be hidden.
-This variable can also be a list of regexp of headers to remain visible.
-If this variable is non-nil, `gnus-ignored-headers' will be ignored.")
-
-(defvar gnus-sorted-header-list
- '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:" "^To:"
- "^Cc:" "^Date:" "^Organization:")
- "*This variable is a list of regular expressions.
-If it is non-nil, headers that match the regular expressions will
-be placed first in the article buffer in the sequence specified by
-this list.")
-
-(defvar gnus-boring-article-headers
- '(empty followup-to reply-to)
- "*Headers that are only to be displayed if they have interesting data.
-Possible values in this list are `empty', `newsgroups', `followup-to',
-`reply-to', and `date'.")
-
-(defvar gnus-show-all-headers nil
- "*If non-nil, don't hide any headers.")
-
-(defvar gnus-save-all-headers t
- "*If non-nil, don't remove any headers before saving.")
-
-(defvar gnus-saved-headers gnus-visible-headers
- "*Headers to keep if `gnus-save-all-headers' is nil.
-If `gnus-save-all-headers' is non-nil, this variable will be ignored.
-If that variable is nil, however, all headers that match this regexp
-will be kept while the rest will be deleted before saving.")
-
-(defvar gnus-inhibit-startup-message nil
- "*If non-nil, the startup message will not be displayed.")
-
-(defvar gnus-signature-separator "^-- *$"
- "Regexp matching signature separator.")
-
-(defvar gnus-auto-extend-newsgroup t
- "*If non-nil, extend newsgroup forward and backward when requested.")
-
-(defvar gnus-auto-select-first t
- "*If nil, don't select the first unread article when entering a group.
-If this variable is `best', select the highest-scored unread article
-in the group. If neither nil nor `best', select the first unread
-article.
-
-If you want to prevent automatic selection of the first unread article
-in some newsgroups, set the variable to nil in
-`gnus-select-group-hook'.")
-
-(defvar gnus-auto-select-next t
- "*If non-nil, offer to go to the next group from the end of the previous.
-If the value is t and the next newsgroup is empty, Gnus will exit
-summary mode and go back to group mode. If the value is neither nil
-nor t, Gnus will select the following unread newsgroup. In
-particular, if the value is the symbol `quietly', the next unread
-newsgroup will be selected without any confirmation, and if it is
-`almost-quietly', the next group will be selected without any
-confirmation if you are located on the last article in the group.
-Finally, if this variable is `slightly-quietly', the `Z n' command
-will go to the next group without confirmation.")
-
-(defvar gnus-auto-select-same nil
- "*If non-nil, select the next article with the same subject.")
-
-(defvar gnus-summary-check-current nil
- "*If non-nil, consider the current article when moving.
-The \"unread\" movement commands will stay on the same line if the
-current article is unread.")
-
-(defvar gnus-auto-center-summary t
- "*If non-nil, always center the current summary buffer.")
-
-(defvar gnus-break-pages t
- "*If non-nil, do page breaking on articles.
-The page delimiter is specified by the `gnus-page-delimiter'
-variable.")
-
-(defvar gnus-page-delimiter "^\^L"
- "*Regexp describing what to use as article page delimiters.
-The default value is \"^\^L\", which is a form linefeed at the
-beginning of a line.")
-
-(defvar gnus-use-full-window t
- "*If non-nil, use the entire Emacs screen.")
-
-(defvar gnus-window-configuration nil
- "Obsolete variable. See `gnus-buffer-configuration'.")
-
-(defvar gnus-window-min-width 2
- "*Minimum width of Gnus buffers.")
-
-(defvar gnus-window-min-height 1
- "*Minimum height of Gnus buffers.")
-
-(defvar gnus-buffer-configuration
- '((group
- (vertical 1.0
- (group 1.0 point)
- (if gnus-carpal '(group-carpal 4))))
- (summary
- (vertical 1.0
- (summary 1.0 point)
- (if gnus-carpal '(summary-carpal 4))))
- (article
- (cond
- (gnus-use-picons
- '(frame 1.0
- (vertical 1.0
- (summary 0.25 point)
- (if gnus-carpal '(summary-carpal 4))
- (article 1.0))
- (vertical ((height . 5) (width . 15)
- (user-position . t)
- (left . -1) (top . 1))
- (picons 1.0))))
- (gnus-use-trees
- '(vertical 1.0
- (summary 0.25 point)
- (tree 0.25)
- (article 1.0)))
- (t
- '(vertical 1.0
- (summary 0.25 point)
- (if gnus-carpal '(summary-carpal 4))
- (if gnus-use-trees '(tree 0.25))
- (article 1.0)))))
- (server
- (vertical 1.0
- (server 1.0 point)
- (if gnus-carpal '(server-carpal 2))))
- (browse
- (vertical 1.0
- (browse 1.0 point)
- (if gnus-carpal '(browse-carpal 2))))
- (group-mail
- (vertical 1.0
- (mail 1.0 point)))
- (summary-mail
- (vertical 1.0
- (mail 1.0 point)))
- (summary-reply
- (vertical 1.0
- (article 0.5)
- (mail 1.0 point)))
- (pick
- (vertical 1.0
- (article 1.0 point)))
- (info
- (vertical 1.0
- (info 1.0 point)))
- (summary-faq
- (vertical 1.0
- (summary 0.25)
- (faq 1.0 point)))
- (edit-group
- (vertical 1.0
- (group 0.5)
- (edit-group 1.0 point)))
- (edit-server
- (vertical 1.0
- (server 0.5)
- (edit-server 1.0 point)))
- (edit-score
- (vertical 1.0
- (summary 0.25)
- (edit-score 1.0 point)))
- (post
- (vertical 1.0
- (post 1.0 point)))
- (reply
- (vertical 1.0
- (article 0.5)
- (mail 1.0 point)))
- (mail-forward
- (vertical 1.0
- (mail 1.0 point)))
- (post-forward
- (vertical 1.0
- (post 1.0 point)))
- (reply-yank
- (vertical 1.0
- (mail 1.0 point)))
- (mail-bounce
- (vertical 1.0
- (article 0.5)
- (mail 1.0 point)))
- (draft
- (vertical 1.0
- (draft 1.0 point)))
- (pipe
- (vertical 1.0
- (summary 0.25 point)
- (if gnus-carpal '(summary-carpal 4))
- ("*Shell Command Output*" 1.0)))
- (followup
- (vertical 1.0
- (article 0.5)
- (post 1.0 point)))
- (followup-yank
- (vertical 1.0
- (post 1.0 point))))
- "Window configuration for all possible Gnus buffers.
-This variable is a list of lists. Each of these lists has a NAME and
-a RULE. The NAMEs are commonsense names like `group', which names a
-rule used when displaying the group buffer; `summary', which names a
-rule for what happens when you enter a group and do not display an
-article buffer; and so on. See the value of this variable for a
-complete list of NAMEs.
-
-Each RULE is a list of vectors. The first element in this vector is
-the name of the buffer to be displayed; the second element is the
-percentage of the screen this buffer is to occupy (a number in the
-0.0-0.99 range); the optional third element is `point', which should
-be present to denote which buffer point is to go to after making this
-buffer configuration.")
-
-(defvar gnus-window-to-buffer
- '((group . gnus-group-buffer)
- (summary . gnus-summary-buffer)
- (article . gnus-article-buffer)
- (server . gnus-server-buffer)
- (browse . "*Gnus Browse Server*")
- (edit-group . gnus-group-edit-buffer)
- (edit-server . gnus-server-edit-buffer)
- (group-carpal . gnus-carpal-group-buffer)
- (summary-carpal . gnus-carpal-summary-buffer)
- (server-carpal . gnus-carpal-server-buffer)
- (browse-carpal . gnus-carpal-browse-buffer)
- (edit-score . gnus-score-edit-buffer)
- (mail . gnus-mail-buffer)
- (post . gnus-post-news-buffer)
- (faq . gnus-faq-buffer)
- (picons . "*Picons*")
- (tree . gnus-tree-buffer)
- (info . gnus-info-buffer)
- (draft . gnus-draft-buffer))
- "Mapping from short symbols to buffer names or buffer variables.")
-
-(defvar gnus-carpal nil
- "*If non-nil, display clickable icons.")
-
-(defvar gnus-subscribe-newsgroup-method 'gnus-subscribe-zombies
- "*Function called with a group name when new group is detected.
-A few pre-made functions are supplied: `gnus-subscribe-randomly'
-inserts new groups at the beginning of the list of groups;
-`gnus-subscribe-alphabetically' inserts new groups in strict
-alphabetic order; `gnus-subscribe-hierarchically' inserts new groups
-in hierarchical newsgroup order; `gnus-subscribe-interactively' asks
-for your decision; `gnus-subscribe-killed' kills all new groups.")
-
-;; Suggested by a bug report by Hallvard B Furuseth.
-;; <h.b.furuseth@usit.uio.no>.
-(defvar gnus-subscribe-options-newsgroup-method
- (function gnus-subscribe-alphabetically)
- "*This function is called to subscribe newsgroups mentioned on \"options -n\" lines.
-If, for instance, you want to subscribe to all newsgroups in the
-\"no\" and \"alt\" hierarchies, you'd put the following in your
-.newsrc file:
-
-options -n no.all alt.all
-
-Gnus will the subscribe all new newsgroups in these hierarchies with
-the subscription method in this variable.")
-
-(defvar gnus-subscribe-hierarchical-interactive nil
- "*If non-nil, Gnus will offer to subscribe hierarchically.
-When a new hierarchy appears, Gnus will ask the user:
-
-'alt.binaries': Do you want to subscribe to this hierarchy? ([d]ys):
-
-If the user pressed `d', Gnus will descend the hierarchy, `y' will
-subscribe to all newsgroups in the hierarchy and `s' will skip this
-hierarchy in its entirety.")
-
-(defvar gnus-group-sort-function 'gnus-group-sort-by-alphabet
- "*Function used for sorting the group buffer.
-This function will be called with group info entries as the arguments
-for the groups to be sorted. Pre-made functions include
-`gnus-group-sort-by-alphabet', `gnus-group-sort-by-unread',
-`gnus-group-sort-by-level', `gnus-group-sort-by-score', and
-`gnus-group-sort-by-rank'.
-
-This variable can also be a list of sorting functions. In that case,
-the most significant sort function should be the last function in the
-list.")
-
-;; Mark variables suggested by Thomas Michanek
-;; <Thomas.Michanek@telelogic.se>.
-(defvar gnus-unread-mark ?
- "*Mark used for unread articles.")
-(defvar gnus-ticked-mark ?!
- "*Mark used for ticked articles.")
-(defvar gnus-dormant-mark ??
- "*Mark used for dormant articles.")
-(defvar gnus-del-mark ?r
- "*Mark used for del'd articles.")
-(defvar gnus-read-mark ?R
- "*Mark used for read articles.")
-(defvar gnus-expirable-mark ?E
- "*Mark used for expirable articles.")
-(defvar gnus-killed-mark ?K
- "*Mark used for killed articles.")
-(defvar gnus-souped-mark ?F
- "*Mark used for killed articles.")
-(defvar gnus-kill-file-mark ?X
- "*Mark used for articles killed by kill files.")
-(defvar gnus-low-score-mark ?Y
- "*Mark used for articles with a low score.")
-(defvar gnus-catchup-mark ?C
- "*Mark used for articles that are caught up.")
-(defvar gnus-replied-mark ?A
- "*Mark used for articles that have been replied to.")
-(defvar gnus-cached-mark ?*
- "*Mark used for articles that are in the cache.")
-(defvar gnus-saved-mark ?S
- "*Mark used for articles that have been saved to.")
-(defvar gnus-process-mark ?#
- "*Process mark.")
-(defvar gnus-ancient-mark ?O
- "*Mark used for ancient articles.")
-(defvar gnus-sparse-mark ?Q
- "*Mark used for sparsely reffed articles.")
-(defvar gnus-canceled-mark ?G
- "*Mark used for canceled articles.")
-(defvar gnus-score-over-mark ?+
- "*Score mark used for articles with high scores.")
-(defvar gnus-score-below-mark ?-
- "*Score mark used for articles with low scores.")
-(defvar gnus-empty-thread-mark ?
- "*There is no thread under the article.")
-(defvar gnus-not-empty-thread-mark ?=
- "*There is a thread under the article.")
-
-(defvar gnus-view-pseudo-asynchronously nil
- "*If non-nil, Gnus will view pseudo-articles asynchronously.")
-
-(defvar gnus-view-pseudos nil
- "*If `automatic', pseudo-articles will be viewed automatically.
-If `not-confirm', pseudos will be viewed automatically, and the user
-will not be asked to confirm the command.")
-
-(defvar gnus-view-pseudos-separately t
- "*If non-nil, one pseudo-article will be created for each file to be viewed.
-If nil, all files that use the same viewing command will be given as a
-list of parameters to that command.")
-
-(defvar gnus-insert-pseudo-articles t
- "*If non-nil, insert pseudo-articles when decoding articles.")
-
-(defvar gnus-group-line-format "%M%S%p%P%5y: %(%g%)%l\n"
- "*Format of group lines.
-It works along the same lines as a normal formatting string,
-with some simple extensions.
-
-%M Only marked articles (character, \"*\" or \" \")
-%S Whether the group is subscribed (character, \"U\", \"K\", \"Z\" or \" \")
-%L Level of subscribedness (integer)
-%N Number of unread articles (integer)
-%I Number of dormant articles (integer)
-%i Number of ticked and dormant (integer)
-%T Number of ticked articles (integer)
-%R Number of read articles (integer)
-%t Total number of articles (integer)
-%y Number of unread, unticked articles (integer)
-%G Group name (string)
-%g Qualified group name (string)
-%D Group description (string)
-%s Select method (string)
-%o Moderated group (char, \"m\")
-%p Process mark (char)
-%O Moderated group (string, \"(m)\" or \"\")
-%P Topic indentation (string)
-%l Whether there are GroupLens predictions for this group (string)
-%n Select from where (string)
-%z A string that look like `<%s:%n>' if a foreign select method is used
-%u User defined specifier. The next character in the format string should
- be a letter. Gnus will call the function gnus-user-format-function-X,
- where X is the letter following %u. The function will be passed the
- current header as argument. The function should return a string, which
- will be inserted into the buffer just like information from any other
- group specifier.
-
-Text between %( and %) will be highlighted with `gnus-mouse-face' when
-the mouse point move inside the area. There can only be one such area.
-
-Note that this format specification is not always respected. For
-reasons of efficiency, when listing killed groups, this specification
-is ignored altogether. If the spec is changed considerably, your
-output may end up looking strange when listing both alive and killed
-groups.
-
-If you use %o or %O, reading the active file will be slower and quite
-a bit of extra memory will be used. %D will also worsen performance.
-Also note that if you change the format specification to include any
-of these specs, you must probably re-start Gnus to see them go into
-effect.")
-
-(defvar gnus-summary-line-format "%U%R%z%I%(%[%4L: %-20,20n%]%) %s\n"
- "*The format specification of the lines in the summary buffer.
-
-It works along the same lines as a normal formatting string,
-with some simple extensions.
-
-%N Article number, left padded with spaces (string)
-%S Subject (string)
-%s Subject if it is at the root of a thread, and \"\" otherwise (string)
-%n Name of the poster (string)
-%a Extracted name of the poster (string)
-%A Extracted address of the poster (string)
-%F Contents of the From: header (string)
-%x Contents of the Xref: header (string)
-%D Date of the article (string)
-%d Date of the article (string) in DD-MMM format
-%M Message-id of the article (string)
-%r References of the article (string)
-%c Number of characters in the article (integer)
-%L Number of lines in the article (integer)
-%I Indentation based on thread level (a string of spaces)
-%T A string with two possible values: 80 spaces if the article
- is on thread level two or larger and 0 spaces on level one
-%R \"A\" if this article has been replied to, \" \" otherwise (character)
-%U Status of this article (character, \"R\", \"K\", \"-\" or \" \")
-%[ Opening bracket (character, \"[\" or \"<\")
-%] Closing bracket (character, \"]\" or \">\")
-%> Spaces of length thread-level (string)
-%< Spaces of length (- 20 thread-level) (string)
-%i Article score (number)
-%z Article zcore (character)
-%t Number of articles under the current thread (number).
-%e Whether the thread is empty or not (character).
-%l GroupLens score (number)
-%u User defined specifier. The next character in the format string should
- be a letter. Gnus will call the function gnus-user-format-function-X,
- where X is the letter following %u. The function will be passed the
- current header as argument. The function should return a string, which
- will be inserted into the summary just like information from any other
- summary specifier.
-
-Text between %( and %) will be highlighted with `gnus-mouse-face'
-when the mouse point is placed inside the area. There can only be one
-such area.
-
-The %U (status), %R (replied) and %z (zcore) specs have to be handled
-with care. For reasons of efficiency, Gnus will compute what column
-these characters will end up in, and \"hard-code\" that. This means that
-it is illegal to have these specs after a variable-length spec. Well,
-you might not be arrested, but your summary buffer will look strange,
-which is bad enough.
-
-The smart choice is to have these specs as for to the left as
-possible.
-
-This restriction may disappear in later versions of Gnus.")
-
-(defvar gnus-summary-dummy-line-format
- "* %(: :%) %S\n"
- "*The format specification for the dummy roots in the summary buffer.
-It works along the same lines as a normal formatting string,
-with some simple extensions.
-
-%S The subject")
-
-(defvar gnus-summary-mode-line-format "Gnus: %%b [%A] %Z"
- "*The format specification for the summary mode line.
-It works along the same lines as a normal formatting string,
-with some simple extensions:
-
-%G Group name
-%p Unprefixed group name
-%A Current article number
-%V Gnus version
-%U Number of unread articles in the group
-%e Number of unselected articles in the group
-%Z A string with unread/unselected article counts
-%g Shortish group name
-%S Subject of the current article
-%u User-defined spec
-%s Current score file name
-%d Number of dormant articles
-%r Number of articles that have been marked as read in this session
-%E Number of articles expunged by the score files")
-
-(defvar gnus-article-mode-line-format "Gnus: %%b %S"
- "*The format specification for the article mode line.
-See `gnus-summary-mode-line-format' for a closer description.")
-
-(defvar gnus-group-mode-line-format "Gnus: %%b {%M:%S}"
- "*The format specification for the group mode line.
-It works along the same lines as a normal formatting string,
-with some simple extensions:
-
-%S The native news server.
-%M The native select method.")
-
-(defvar gnus-valid-select-methods
- '(("nntp" post address prompt-address)
- ("nnspool" post address)
- ("nnvirtual" post-mail virtual prompt-address)
- ("nnmbox" mail respool address)
- ("nnml" mail respool address)
- ("nnmh" mail respool address)
- ("nndir" post-mail prompt-address address)
- ("nneething" none address prompt-address)
- ("nndoc" none address prompt-address)
- ("nnbabyl" mail address respool)
- ("nnkiboze" post address virtual)
- ("nnsoup" post-mail address)
- ("nndraft" post-mail)
- ("nnfolder" mail respool address))
- "An alist of valid select methods.
-The first element of each list lists should be a string with the name
-of the select method. The other elements may be be the category of
-this method (ie. `post', `mail', `none' or whatever) or other
-properties that this method has (like being respoolable).
-If you implement a new select method, all you should have to change is
-this variable. I think.")
-
-(defvar gnus-updated-mode-lines '(group article summary tree)
- "*List of buffers that should update their mode lines.
-The list may contain the symbols `group', `article' and `summary'. If
-the corresponding symbol is present, Gnus will keep that mode line
-updated with information that may be pertinent.
-If this variable is nil, screen refresh may be quicker.")
-
-;; Added by Keinonen Kari <kk85613@cs.tut.fi>.
-(defvar gnus-mode-non-string-length nil
- "*Max length of mode-line non-string contents.
-If this is nil, Gnus will take space as is needed, leaving the rest
-of the modeline intact.")
-
-;see gnus-cus.el
-;(defvar gnus-mouse-face 'highlight
-; "*Face used for mouse highlighting in Gnus.
-;No mouse highlights will be done if `gnus-visual' is nil.")
-
-(defvar gnus-summary-mark-below nil
- "*Mark all articles with a score below this variable as read.
-This variable is local to each summary buffer and usually set by the
-score file.")
-
-(defvar gnus-article-sort-functions '(gnus-article-sort-by-number)
- "*List of functions used for sorting articles in the summary buffer.
-This variable is only used when not using a threaded display.")
-
-(defvar gnus-thread-sort-functions '(gnus-thread-sort-by-number)
- "*List of functions used for sorting threads in the summary buffer.
-By default, threads are sorted by article number.
-
-Each function takes two threads and return non-nil if the first thread
-should be sorted before the other. If you use more than one function,
-the primary sort function should be the last. You should probably
-always include `gnus-thread-sort-by-number' in the list of sorting
-functions -- preferably first.
-
-Ready-mady functions include `gnus-thread-sort-by-number',
-`gnus-thread-sort-by-author', `gnus-thread-sort-by-subject',
-`gnus-thread-sort-by-date', `gnus-thread-sort-by-score' and
-`gnus-thread-sort-by-total-score' (see `gnus-thread-score-function').")
-
-(defvar gnus-thread-score-function '+
- "*Function used for calculating the total score of a thread.
-
-The function is called with the scores of the article and each
-subthread and should then return the score of the thread.
-
-Some functions you can use are `+', `max', or `min'.")
-
-(defvar gnus-summary-expunge-below nil
- "All articles that have a score less than this variable will be expunged.")
-
-(defvar gnus-thread-expunge-below nil
- "All threads that have a total score less than this variable will be expunged.
-See `gnus-thread-score-function' for en explanation of what a
-\"thread score\" is.")
-
-(defvar gnus-auto-subscribed-groups
- "^nnml\\|^nnfolder\\|^nnmbox\\|^nnmh\\|^nnbabyl"
- "*All new groups that match this regexp will be subscribed automatically.
-Note that this variable only deals with new groups. It has no effect
-whatsoever on old groups.")
-
-(defvar gnus-options-subscribe nil
- "*All new groups matching this regexp will be subscribed unconditionally.
-Note that this variable deals only with new newsgroups. This variable
-does not affect old newsgroups.")
-
-(defvar gnus-options-not-subscribe nil
- "*All new groups matching this regexp will be ignored.
-Note that this variable deals only with new newsgroups. This variable
-does not affect old (already subscribed) newsgroups.")
-
-(defvar gnus-auto-expirable-newsgroups nil
- "*Groups in which to automatically mark read articles as expirable.
-If non-nil, this should be a regexp that should match all groups in
-which to perform auto-expiry. This only makes sense for mail groups.")
-
-(defvar gnus-total-expirable-newsgroups nil
- "*Groups in which to perform expiry of all read articles.
-Use with extreme caution. All groups that match this regexp will be
-expiring - which means that all read articles will be deleted after
-(say) one week. (This only goes for mail groups and the like, of
-course.)")
-
-(defvar gnus-group-uncollapsed-levels 1
- "Number of group name elements to leave alone when making a short group name.")
-
-(defvar gnus-hidden-properties '(invisible t intangible t)
- "Property list to use for hiding text.")
-
-(defvar gnus-modtime-botch nil
- "*Non-nil means .newsrc should be deleted prior to save. Its use is
-due to the bogus appearance that .newsrc was modified on disc.")
-
-;; Hooks.
-
-(defvar gnus-group-mode-hook nil
- "*A hook for Gnus group mode.")
-
-(defvar gnus-summary-mode-hook nil
- "*A hook for Gnus summary mode.
-This hook is run before any variables are set in the summary buffer.")
-
-(defvar gnus-article-mode-hook nil
- "*A hook for Gnus article mode.")
-
-(defvar gnus-summary-prepare-exit-hook nil
- "*A hook called when preparing to exit from the summary buffer.
-It calls `gnus-summary-expire-articles' by default.")
-(add-hook 'gnus-summary-prepare-exit-hook 'gnus-summary-expire-articles)
-
-(defvar gnus-summary-exit-hook nil
- "*A hook called on exit from the summary buffer.")
-
-(defvar gnus-group-catchup-group-hook nil
- "*A hook run when catching up a group from the group buffer.")
-
-(defvar gnus-open-server-hook nil
- "*A hook called just before opening connection to the news server.")
-
-(defvar gnus-load-hook nil
- "*A hook run while Gnus is loaded.")
-
-(defvar gnus-startup-hook nil
- "*A hook called at startup.
-This hook is called after Gnus is connected to the NNTP server.")
-
-(defvar gnus-get-new-news-hook nil
- "*A hook run just before Gnus checks for new news.")
-
-(defvar gnus-group-prepare-function 'gnus-group-prepare-flat
- "*A function that is called to generate the group buffer.
-The function is called with three arguments: The first is a number;
-all group with a level less or equal to that number should be listed,
-if the second is non-nil, empty groups should also be displayed. If
-the third is non-nil, it is a number. No groups with a level lower
-than this number should be displayed.
-
-The only current function implemented is `gnus-group-prepare-flat'.")
-
-(defvar gnus-group-prepare-hook nil
- "*A hook called after the group buffer has been generated.
-If you want to modify the group buffer, you can use this hook.")
-
-(defvar gnus-summary-prepare-hook nil
- "*A hook called after the summary buffer has been generated.
-If you want to modify the summary buffer, you can use this hook.")
-
-(defvar gnus-summary-generate-hook nil
- "*A hook run just before generating the summary buffer.
-This hook is commonly used to customize threading variables and the
-like.")
-
-(defvar gnus-article-prepare-hook nil
- "*A hook called after an article has been prepared in the article buffer.
-If you want to run a special decoding program like nkf, use this hook.")
-
-;(defvar gnus-article-display-hook nil
-; "*A hook called after the article is displayed in the article buffer.
-;The hook is designed to change the contents of the article
-;buffer. Typical functions that this hook may contain are
-;`gnus-article-hide-headers' (hide selected headers),
-;`gnus-article-maybe-highlight' (perform fancy article highlighting),
-;`gnus-article-hide-signature' (hide signature) and
-;`gnus-article-treat-overstrike' (turn \"^H_\" into bold characters).")
-;(add-hook 'gnus-article-display-hook 'gnus-article-hide-headers-if-wanted)
-;(add-hook 'gnus-article-display-hook 'gnus-article-treat-overstrike)
-;(add-hook 'gnus-article-display-hook 'gnus-article-maybe-highlight)
-
-(defvar gnus-article-x-face-command
- "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | xv -quit -"
- "String or function to be executed to display an X-Face header.
-If it is a string, the command will be executed in a sub-shell
-asynchronously. The compressed face will be piped to this command.")
-
-(defvar gnus-article-x-face-too-ugly nil
- "Regexp matching posters whose face shouldn't be shown automatically.")
-
-(defvar gnus-select-group-hook nil
- "*A hook called when a newsgroup is selected.
-
-If you'd like to simplify subjects like the
-`gnus-summary-next-same-subject' command does, you can use the
-following hook:
-
- (setq gnus-select-group-hook
- (list
- (lambda ()
- (mapcar (lambda (header)
- (mail-header-set-subject
- header
- (gnus-simplify-subject
- (mail-header-subject header) 're-only)))
- gnus-newsgroup-headers))))")
-
-(defvar gnus-select-article-hook nil
- "*A hook called when an article is selected.")
-
-(defvar gnus-apply-kill-hook '(gnus-apply-kill-file)
- "*A hook called to apply kill files to a group.
-This hook is intended to apply a kill file to the selected newsgroup.
-The function `gnus-apply-kill-file' is called by default.
-
-Since a general kill file is too heavy to use only for a few
-newsgroups, I recommend you to use a lighter hook function. For
-example, if you'd like to apply a kill file to articles which contains
-a string `rmgroup' in subject in newsgroup `control', you can use the
-following hook:
-
- (setq gnus-apply-kill-hook
- (list
- (lambda ()
- (cond ((string-match \"control\" gnus-newsgroup-name)
- (gnus-kill \"Subject\" \"rmgroup\")
- (gnus-expunge \"X\"))))))")
-
-(defvar gnus-visual-mark-article-hook
- (list 'gnus-highlight-selected-summary)
- "*Hook run after selecting an article in the summary buffer.
-It is meant to be used for highlighting the article in some way. It
-is not run if `gnus-visual' is nil.")
-
-(defvar gnus-parse-headers-hook nil
- "*A hook called before parsing the headers.")
-
-(defvar gnus-exit-group-hook nil
- "*A hook called when exiting (not quitting) summary mode.")
-
-(defvar gnus-suspend-gnus-hook nil
- "*A hook called when suspending (not exiting) Gnus.")
-
-(defvar gnus-exit-gnus-hook nil
- "*A hook called when exiting Gnus.")
-
-(defvar gnus-after-exiting-gnus-hook nil
- "*A hook called after exiting Gnus.")
-
-(defvar gnus-save-newsrc-hook nil
- "*A hook called before saving any of the newsrc files.")
-
-(defvar gnus-save-quick-newsrc-hook nil
- "*A hook called just before saving the quick newsrc file.
-Can be used to turn version control on or off.")
-
-(defvar gnus-save-standard-newsrc-hook nil
- "*A hook called just before saving the standard newsrc file.
-Can be used to turn version control on or off.")
-
-(defvar gnus-summary-update-hook
- (list 'gnus-summary-highlight-line)
- "*A hook called when a summary line is changed.
-The hook will not be called if `gnus-visual' is nil.
-
-The default function `gnus-summary-highlight-line' will
-highlight the line according to the `gnus-summary-highlight'
-variable.")
-
-(defvar gnus-group-update-hook '(gnus-group-highlight-line)
- "*A hook called when a group line is changed.
-The hook will not be called if `gnus-visual' is nil.
-
-The default function `gnus-group-highlight-line' will
-highlight the line according to the `gnus-group-highlight'
-variable.")
-
-(defvar gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
- "*A hook called when an article is selected for the first time.
-The hook is intended to mark an article as read (or unread)
-automatically when it is selected.")
-
-(defvar gnus-group-change-level-function nil
- "Function run when a group level is changed.
-It is called with three parameters -- GROUP, LEVEL and OLDLEVEL.")
-
-;; Remove any hilit infestation.
-(add-hook 'gnus-startup-hook
- (lambda ()
- (remove-hook 'gnus-summary-prepare-hook
- 'hilit-rehighlight-buffer-quietly)
- (remove-hook 'gnus-summary-prepare-hook 'hilit-install-line-hooks)
- (setq gnus-mark-article-hook '(gnus-summary-mark-unread-as-read))
- (remove-hook 'gnus-article-prepare-hook
- 'hilit-rehighlight-buffer-quietly)))
-
-\f
-;; Internal variables
-
-(defvar gnus-server-alist nil
- "List of available servers.")
-
-(defvar gnus-topic-indentation "") ;; Obsolete variable.
-
-(defvar gnus-goto-missing-group-function nil)
-
-(defvar gnus-override-subscribe-method nil)
-
-(defvar gnus-group-goto-next-group-function nil
- "Function to override finding the next group after listing groups.")
-
-(defconst gnus-article-mark-lists
- '((marked . tick) (replied . reply)
- (expirable . expire) (killed . killed)
- (bookmarks . bookmark) (dormant . dormant)
- (scored . score) (saved . save)
- (cached . cache)
- ))
-
-;; Avoid highlighting in kill files.
-(defvar gnus-summary-inhibit-highlight nil)
-(defvar gnus-newsgroup-selected-overlay nil)
-
-(defvar gnus-inhibit-hiding nil)
-(defvar gnus-group-indentation "")
-(defvar gnus-inhibit-limiting nil)
-
-(defvar gnus-article-mode-map nil)
-(defvar gnus-dribble-buffer nil)
-(defvar gnus-headers-retrieved-by nil)
-(defvar gnus-article-reply nil)
-(defvar gnus-override-method nil)
-(defvar gnus-article-check-size nil)
-
-(defvar gnus-current-score-file nil)
-(defvar gnus-newsgroup-adaptive-score-file nil)
-(defvar gnus-scores-exclude-files nil)
-
-(defvar gnus-opened-servers nil)
-
-(defvar gnus-current-move-group nil)
-
-(defvar gnus-newsgroup-dependencies nil)
-(defvar gnus-newsgroup-async nil)
-(defconst gnus-group-edit-buffer "*Gnus edit newsgroup*")
-
-(defvar gnus-newsgroup-adaptive nil)
-
-(defvar gnus-summary-display-table nil)
-(defvar gnus-summary-display-article-function nil)
-
-(defvar gnus-summary-highlight-line-function nil
- "Function called after highlighting a summary line.")
-
-(defvar gnus-group-line-format-alist
- `((?M gnus-tmp-marked-mark ?c)
- (?S gnus-tmp-subscribed ?c)
- (?L gnus-tmp-level ?d)
- (?N (cond ((eq number t) "*" )
- ((numberp number)
- (int-to-string
- (+ number
- (gnus-range-length (cdr (assq 'dormant gnus-tmp-marked)))
- (gnus-range-length (cdr (assq 'tick gnus-tmp-marked))))))
- (t number)) ?s)
- (?R gnus-tmp-number-of-read ?s)
- (?t gnus-tmp-number-total ?d)
- (?y gnus-tmp-number-of-unread ?s)
- (?I (gnus-range-length (cdr (assq 'dormant gnus-tmp-marked))) ?d)
- (?T (gnus-range-length (cdr (assq 'tick gnus-tmp-marked))) ?d)
- (?i (+ (gnus-range-length (cdr (assq 'dormant gnus-tmp-marked)))
- (gnus-range-length (cdr (assq 'tick gnus-tmp-marked)))) ?d)
- (?g gnus-tmp-group ?s)
- (?G gnus-tmp-qualified-group ?s)
- (?c (gnus-short-group-name gnus-tmp-group) ?s)
- (?D gnus-tmp-newsgroup-description ?s)
- (?o gnus-tmp-moderated ?c)
- (?O gnus-tmp-moderated-string ?s)
- (?p gnus-tmp-process-marked ?c)
- (?s gnus-tmp-news-server ?s)
- (?n gnus-tmp-news-method ?s)
- (?P gnus-group-indentation ?s)
- (?l gnus-tmp-grouplens ?s)
- (?z gnus-tmp-news-method-string ?s)
- (?u gnus-tmp-user-defined ?s)))
-
-(defvar gnus-summary-line-format-alist
- `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
- (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
- (?s gnus-tmp-subject-or-nil ?s)
- (?n gnus-tmp-name ?s)
- (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
- ?s)
- (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
- gnus-tmp-from) ?s)
- (?F gnus-tmp-from ?s)
- (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
- (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
- (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
- (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
- (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
- (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
- (?L gnus-tmp-lines ?d)
- (?I gnus-tmp-indentation ?s)
- (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
- (?R gnus-tmp-replied ?c)
- (?\[ gnus-tmp-opening-bracket ?c)
- (?\] gnus-tmp-closing-bracket ?c)
- (?\> (make-string gnus-tmp-level ? ) ?s)
- (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
- (?i gnus-tmp-score ?d)
- (?z gnus-tmp-score-char ?c)
- (?l (bbb-grouplens-score gnus-tmp-header) ?s)
- (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
- (?U gnus-tmp-unread ?c)
- (?t (gnus-summary-number-of-articles-in-thread
- (and (boundp 'thread) (car thread)) gnus-tmp-level)
- ?d)
- (?e (gnus-summary-number-of-articles-in-thread
- (and (boundp 'thread) (car thread)) gnus-tmp-level t)
- ?c)
- (?u gnus-tmp-user-defined ?s))
- "An alist of format specifications that can appear in summary lines,
-and what variables they correspond with, along with the type of the
-variable (string, integer, character, etc).")
-
-(defvar gnus-summary-dummy-line-format-alist
- `((?S gnus-tmp-subject ?s)
- (?N gnus-tmp-number ?d)
- (?u gnus-tmp-user-defined ?s)))
-
-(defvar gnus-summary-mode-line-format-alist
- `((?G gnus-tmp-group-name ?s)
- (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
- (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
- (?A gnus-tmp-article-number ?d)
- (?Z gnus-tmp-unread-and-unselected ?s)
- (?V gnus-version ?s)
- (?U gnus-tmp-unread ?d)
- (?S gnus-tmp-subject ?s)
- (?e gnus-tmp-unselected ?d)
- (?u gnus-tmp-user-defined ?s)
- (?d (length gnus-newsgroup-dormant) ?d)
- (?t (length gnus-newsgroup-marked) ?d)
- (?r (length gnus-newsgroup-reads) ?d)
- (?E gnus-newsgroup-expunged-tally ?d)
- (?s (gnus-current-score-file-nondirectory) ?s)))
-
-(defvar gnus-article-mode-line-format-alist
- gnus-summary-mode-line-format-alist)
-
-(defvar gnus-group-mode-line-format-alist
- `((?S gnus-tmp-news-server ?s)
- (?M gnus-tmp-news-method ?s)
- (?u gnus-tmp-user-defined ?s)))
-
-(defvar gnus-have-read-active-file nil)
-
-(defconst gnus-maintainer
- "gnus-bug@ifi.uio.no (The Gnus Bugfixing Girls + Boys)"
- "The mail address of the Gnus maintainers.")
-
-(defconst gnus-version "September Gnus v0.43"
- "Version number for this version of Gnus.")
-
-(defvar gnus-info-nodes
- '((gnus-group-mode "(gnus)The Group Buffer")
- (gnus-summary-mode "(gnus)The Summary Buffer")
- (gnus-article-mode "(gnus)The Article Buffer"))
- "Assoc list of major modes and related Info nodes.")
-
-(defvar gnus-group-buffer "*Group*")
-(defvar gnus-summary-buffer "*Summary*")
-(defvar gnus-article-buffer "*Article*")
-(defvar gnus-server-buffer "*Server*")
-
-(defvar gnus-work-buffer " *gnus work*")
-
-(defvar gnus-original-article-buffer " *Original Article*")
-(defvar gnus-original-article nil)
-
-(defvar gnus-buffer-list nil
- "Gnus buffers that should be killed on exit.")
-
-(defvar gnus-slave nil
- "Whether this Gnus is a slave or not.")
-
-(defvar gnus-variable-list
- '(gnus-newsrc-options gnus-newsrc-options-n
- gnus-newsrc-last-checked-date
- gnus-newsrc-alist gnus-server-alist
- gnus-killed-list gnus-zombie-list
- gnus-topic-topology gnus-topic-alist
- gnus-format-specs)
- "Gnus variables saved in the quick startup file.")
-
-(defvar gnus-newsrc-options nil
- "Options line in the .newsrc file.")
-
-(defvar gnus-newsrc-options-n nil
- "List of regexps representing groups to be subscribed/ignored unconditionally.")
-
-(defvar gnus-newsrc-last-checked-date nil
- "Date Gnus last asked server for new newsgroups.")
-
-(defvar gnus-topic-topology nil
- "The complete topic hierarchy.")
-
-(defvar gnus-topic-alist nil
- "The complete topic-group alist.")
-
-(defvar gnus-newsrc-alist nil
- "Assoc list of read articles.
-gnus-newsrc-hashtb should be kept so that both hold the same information.")
-
-(defvar gnus-newsrc-hashtb nil
- "Hashtable of gnus-newsrc-alist.")
-
-(defvar gnus-killed-list nil
- "List of killed newsgroups.")
-
-(defvar gnus-killed-hashtb nil
- "Hash table equivalent of gnus-killed-list.")
-
-(defvar gnus-zombie-list nil
- "List of almost dead newsgroups.")
-
-(defvar gnus-description-hashtb nil
- "Descriptions of newsgroups.")
-
-(defvar gnus-list-of-killed-groups nil
- "List of newsgroups that have recently been killed by the user.")
-
-(defvar gnus-active-hashtb nil
- "Hashtable of active articles.")
-
-(defvar gnus-moderated-list nil
- "List of moderated newsgroups.")
-
-(defvar gnus-group-marked nil)
-
-(defvar gnus-current-startup-file nil
- "Startup file for the current host.")
-
-(defvar gnus-last-search-regexp nil
- "Default regexp for article search command.")
-
-(defvar gnus-last-shell-command nil
- "Default shell command on article.")
-
-(defvar gnus-current-select-method nil
- "The current method for selecting a newsgroup.")
-
-(defvar gnus-group-list-mode nil)
-
-(defvar gnus-article-internal-prepare-hook nil)
-
-(defvar gnus-newsgroup-name nil)
-(defvar gnus-newsgroup-begin nil)
-(defvar gnus-newsgroup-end nil)
-(defvar gnus-newsgroup-last-rmail nil)
-(defvar gnus-newsgroup-last-mail nil)
-(defvar gnus-newsgroup-last-folder nil)
-(defvar gnus-newsgroup-last-file nil)
-(defvar gnus-newsgroup-auto-expire nil)
-(defvar gnus-newsgroup-active nil)
-
-(defvar gnus-newsgroup-data nil)
-(defvar gnus-newsgroup-data-reverse nil)
-(defvar gnus-newsgroup-limit nil)
-(defvar gnus-newsgroup-limits nil)
-
-(defvar gnus-newsgroup-unreads nil
- "List of unread articles in the current newsgroup.")
-
-(defvar gnus-newsgroup-unselected nil
- "List of unselected unread articles in the current newsgroup.")
-
-(defvar gnus-newsgroup-reads nil
- "Alist of read articles and article marks in the current newsgroup.")
-
-(defvar gnus-newsgroup-expunged-tally nil)
-
-(defvar gnus-newsgroup-marked nil
- "List of ticked articles in the current newsgroup (a subset of unread art).")
-
-(defvar gnus-newsgroup-killed nil
- "List of ranges of articles that have been through the scoring process.")
-
-(defvar gnus-newsgroup-cached nil
- "List of articles that come from the article cache.")
-
-(defvar gnus-newsgroup-saved nil
- "List of articles that have been saved.")
-
-(defvar gnus-newsgroup-kill-headers nil)
-
-(defvar gnus-newsgroup-replied nil
- "List of articles that have been replied to in the current newsgroup.")
-
-(defvar gnus-newsgroup-expirable nil
- "List of articles in the current newsgroup that can be expired.")
-
-(defvar gnus-newsgroup-processable nil
- "List of articles in the current newsgroup that can be processed.")
-
-(defvar gnus-newsgroup-bookmarks nil
- "List of articles in the current newsgroup that have bookmarks.")
-
-(defvar gnus-newsgroup-dormant nil
- "List of dormant articles in the current newsgroup.")
-
-(defvar gnus-newsgroup-scored nil
- "List of scored articles in the current newsgroup.")
-
-(defvar gnus-newsgroup-headers nil
- "List of article headers in the current newsgroup.")
-
-(defvar gnus-newsgroup-threads nil)
-
-(defvar gnus-newsgroup-prepared nil
- "Whether the current group has been prepared properly.")
-
-(defvar gnus-newsgroup-ancient nil
- "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
-
-(defvar gnus-newsgroup-sparse nil)
-
-(defvar gnus-current-article nil)
-(defvar gnus-article-current nil)
-(defvar gnus-current-headers nil)
-(defvar gnus-have-all-headers nil)
-(defvar gnus-last-article nil)
-(defvar gnus-newsgroup-history nil)
-(defvar gnus-current-kill-article nil)
-
-;; Save window configuration.
-(defvar gnus-prev-winconf nil)
-
-(defvar gnus-summary-mark-positions nil)
-(defvar gnus-group-mark-positions nil)
-
-(defvar gnus-reffed-article-number nil)
-
-;;; Let the byte-compiler know that we know about this variable.
-(defvar rmail-default-rmail-file)
-
-(defvar gnus-cache-removable-articles nil)
-
-(defvar gnus-dead-summary nil)
-
-(defconst gnus-summary-local-variables
- '(gnus-newsgroup-name
- gnus-newsgroup-begin gnus-newsgroup-end
- gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
- gnus-newsgroup-last-folder gnus-newsgroup-last-file
- gnus-newsgroup-auto-expire gnus-newsgroup-unreads
- gnus-newsgroup-unselected gnus-newsgroup-marked
- gnus-newsgroup-reads gnus-newsgroup-saved
- gnus-newsgroup-replied gnus-newsgroup-expirable
- gnus-newsgroup-processable gnus-newsgroup-killed
- gnus-newsgroup-bookmarks gnus-newsgroup-dormant
- gnus-newsgroup-headers gnus-newsgroup-threads
- gnus-newsgroup-prepared gnus-summary-highlight-line-function
- gnus-current-article gnus-current-headers gnus-have-all-headers
- gnus-last-article gnus-article-internal-prepare-hook
- gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
- gnus-newsgroup-scored gnus-newsgroup-kill-headers
- gnus-newsgroup-async
- gnus-score-alist gnus-current-score-file gnus-summary-expunge-below
- gnus-summary-mark-below gnus-newsgroup-active gnus-scores-exclude-files
- gnus-newsgroup-history gnus-newsgroup-ancient
- gnus-newsgroup-sparse
- (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
- gnus-newsgroup-adaptive-score-file
- (gnus-newsgroup-expunged-tally . 0)
- gnus-cache-removeable-articles gnus-newsgroup-cached
- gnus-newsgroup-data gnus-newsgroup-data-reverse
- gnus-newsgroup-limit gnus-newsgroup-limits)
- "Variables that are buffer-local to the summary buffers.")
-
-(defconst gnus-bug-message
- "Sending a bug report to the Gnus Towers.
-========================================
-
-The buffer below is a mail buffer. When you press `C-c C-c', it will
-be sent to the Gnus Bug Exterminators.
-
-At the bottom of the buffer you'll see lots of variable settings.
-Please do not delete those. They will tell the Bug People what your
-environment is, so that it will be easier to locate the bugs.
-
-If you have found a bug that makes Emacs go \"beep\", set
-debug-on-error to t (`M-x set-variable RET debug-on-error RET t RET')
-and include the backtrace in your bug report.
-
-Please describe the bug in annoying, painstaking detail.
-
-Thank you for your help in stamping out bugs.
-")
-
-;;; End of variables.
-
-;; Define some autoload functions Gnus might use.
-(eval-and-compile
-
- ;; This little mapcar goes through the list below and marks the
- ;; symbols in question as autoloaded functions.
- (mapcar
- (lambda (package)
- (let ((interactive (nth 1 (memq ':interactive package))))
- (mapcar
- (lambda (function)
- (let (keymap)
- (when (consp function)
- (setq keymap (car (memq 'keymap function)))
- (setq function (car function)))
- (autoload function (car package) nil interactive keymap)))
- (if (eq (nth 1 package) ':interactive)
- (cdddr package)
- (cdr package)))))
- '(("metamail" metamail-buffer)
- ("info" Info-goto-node)
- ("hexl" hexl-hex-string-to-integer)
- ("pp" pp pp-to-string pp-eval-expression)
- ("mail-extr" mail-extract-address-components)
- ("nnmail" nnmail-split-fancy nnmail-article-group)
- ("nnvirtual" nnvirtual-catchup-group)
- ("timezone" timezone-make-date-arpa-standard timezone-fix-time
- timezone-make-sortable-date timezone-make-time-string)
- ("sendmail" mail-position-on-field mail-setup)
- ("rmailout" rmail-output)
- ("rnewspost" news-mail-other-window news-reply-yank-original
- news-caesar-buffer-body)
- ("rmail" rmail-insert-rmail-file-header rmail-count-new-messages
- rmail-show-message)
- ("gnus-soup" :interactive t
- gnus-group-brew-soup gnus-brew-soup gnus-soup-add-article
- gnus-soup-send-replies gnus-soup-save-areas gnus-soup-pack-packet)
- ("nnsoup" nnsoup-pack-replies)
- ("gnus-mh" gnus-mh-mail-setup gnus-summary-save-article-folder
- gnus-Folder-save-name gnus-folder-save-name)
- ("gnus-mh" :interactive t gnus-summary-save-in-folder)
- ("gnus-vis" gnus-group-make-menu-bar gnus-summary-make-menu-bar
- gnus-server-make-menu-bar gnus-article-make-menu-bar
- gnus-browse-make-menu-bar gnus-highlight-selected-summary
- gnus-summary-highlight-line gnus-carpal-setup-buffer
- gnus-group-highlight-line
- gnus-article-add-button gnus-insert-next-page-button
- gnus-insert-prev-page-button gnus-visual-turn-off-edit-menu)
- ("gnus-vis" :interactive t
- gnus-article-push-button gnus-article-press-button
- gnus-article-highlight gnus-article-highlight-some
- gnus-article-highlight-headers gnus-article-highlight-signature
- gnus-article-add-buttons gnus-article-add-buttons-to-head
- gnus-article-next-button gnus-article-prev-button)
- ("gnus-demon" gnus-demon-add-nocem gnus-demon-add-scanmail
- gnus-demon-add-disconnection gnus-demon-add-handler
- gnus-demon-remove-handler)
- ("gnus-demon" :interactive t
- gnus-demon-init gnus-demon-cancel)
- ("gnus-salt" gnus-highlight-selected-tree gnus-possibly-generate-tree
- gnus-tree-open gnus-tree-close)
- ("gnus-nocem" gnus-nocem-scan-groups gnus-nocem-close
- gnus-nocem-unwanted-article-p)
- ("gnus-srvr" gnus-enter-server-buffer gnus-server-set-info)
- ("gnus-srvr" gnus-browse-foreign-server)
- ("gnus-cite" :interactive t
- gnus-article-highlight-citation gnus-article-hide-citation-maybe
- gnus-article-hide-citation gnus-article-fill-cited-article)
- ("gnus-kill" gnus-kill gnus-apply-kill-file-internal
- gnus-kill-file-edit-file gnus-kill-file-raise-followups-to-author
- gnus-execute gnus-expunge)
- ("gnus-cache" gnus-cache-possibly-enter-article gnus-cache-save-buffers
- gnus-cache-possibly-remove-articles gnus-cache-request-article
- gnus-cache-retrieve-headers gnus-cache-possibly-alter-active
- gnus-cache-enter-remove-article gnus-cached-article-p
- gnus-cache-open gnus-cache-close)
- ("gnus-cache" :interactive t gnus-jog-cache gnus-cache-enter-article
- gnus-cache-remove-article)
- ("gnus-score" :interactive t
- gnus-summary-increase-score gnus-summary-lower-score
- gnus-score-flush-cache gnus-score-close
- gnus-score-raise-same-subject-and-select
- gnus-score-raise-same-subject gnus-score-default
- gnus-score-raise-thread gnus-score-lower-same-subject-and-select
- gnus-score-lower-same-subject gnus-score-lower-thread
- gnus-possibly-score-headers)
- ("gnus-score"
- (gnus-summary-score-map keymap) gnus-score-save gnus-score-headers
- gnus-current-score-file-nondirectory gnus-score-adaptive
- gnus-score-find-trace gnus-score-file-name)
- ("gnus-edit" :interactive t gnus-score-customize)
- ("gnus-topic" :interactive t gnus-topic-mode)
- ("gnus-topic" gnus-topic-remove-group)
- ("gnus-salt" :interactive t gnus-pick-mode)
- ("gnus-uu" (gnus-uu-extract-map keymap) (gnus-uu-mark-map keymap))
- ("gnus-uu" :interactive t
- gnus-uu-digest-mail-forward gnus-uu-digest-post-forward
- gnus-uu-mark-series gnus-uu-mark-region gnus-uu-mark-buffer
- gnus-uu-mark-by-regexp gnus-uu-mark-all
- gnus-uu-mark-sparse gnus-uu-mark-thread gnus-uu-decode-uu
- gnus-uu-decode-uu-and-save gnus-uu-decode-unshar
- gnus-uu-decode-unshar-and-save gnus-uu-decode-save
- gnus-uu-decode-binhex gnus-uu-decode-uu-view
- gnus-uu-decode-uu-and-save-view gnus-uu-decode-unshar-view
- gnus-uu-decode-unshar-and-save-view gnus-uu-decode-save-view
- gnus-uu-decode-binhex-view)
- ("gnus-msg" (gnus-summary-send-map keymap)
- gnus-mail-yank-original gnus-mail-send-and-exit
- gnus-sendmail-setup-mail gnus-article-mail
- gnus-inews-message-id gnus-new-mail gnus-mail-reply)
- ("gnus-msg" :interactive t
- gnus-group-post-news gnus-group-mail gnus-summary-post-news
- gnus-summary-followup gnus-summary-followup-with-original
- gnus-summary-followup-and-reply
- gnus-summary-followup-and-reply-with-original
- gnus-summary-cancel-article gnus-summary-supersede-article
- gnus-post-news gnus-inews-news gnus-cancel-news
- gnus-summary-reply gnus-summary-reply-with-original
- gnus-summary-mail-forward gnus-summary-mail-other-window
- gnus-bug)
- ("gnus-picon" :interactive t gnus-article-display-picons
- gnus-group-display-picons gnus-picons-article-display-x-face)
- ("gnus-gl" bbb-login bbb-logout bbb-grouplens-group-p
- gnus-grouplens-mode)
- ("gnus-vm" gnus-vm-mail-setup)
- ("gnus-vm" :interactive t gnus-summary-save-in-vm
- gnus-summary-save-article-vm gnus-yank-article))))
-
-\f
-
-;; Fix by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
-;; If you want the cursor to go somewhere else, set these two
-;; functions in some startup hook to whatever you want.
-(defalias 'gnus-summary-position-point 'gnus-goto-colon)
-(defalias 'gnus-group-position-point 'gnus-goto-colon)
-
-;;; Various macros and substs.
-
-(defun gnus-header-from (header)
- (mail-header-from header))
-
-(defmacro gnus-eval-in-buffer-window (buffer &rest forms)
- "Pop to BUFFER, evaluate FORMS, and then return to the original window."
- `(let ((GnusStartBufferWindow (selected-window)))
- (unwind-protect
- (progn
- (pop-to-buffer ,buffer)
- ,@forms)
- (select-window GnusStartBufferWindow))))
-
-(defmacro gnus-gethash (string hashtable)
- "Get hash value of STRING in HASHTABLE."
- `(symbol-value (intern-soft ,string ,hashtable)))
-
-(defmacro gnus-sethash (string value hashtable)
- "Set hash value. Arguments are STRING, VALUE, and HASHTABLE."
- `(set (intern ,string ,hashtable) ,value))
-
-(defmacro gnus-intern-safe (string hashtable)
- "Set hash value. Arguments are STRING, VALUE, and HASHTABLE."
- `(let ((symbol (intern ,string ,hashtable)))
- (or (boundp symbol)
- (set symbol nil))
- symbol))
-
-(defmacro gnus-group-unread (group)
- "Get the currently computed number of unread articles in GROUP."
- `(car (gnus-gethash ,group gnus-newsrc-hashtb)))
-
-(defmacro gnus-group-entry (group)
- "Get the newsrc entry for GROUP."
- `(gnus-gethash ,group gnus-newsrc-hashtb))
-
-(defmacro gnus-active (group)
- "Get active info on GROUP."
- `(gnus-gethash ,group gnus-active-hashtb))
-
-(defmacro gnus-set-active (group active)
- "Set GROUP's active info."
- `(gnus-sethash ,group ,active gnus-active-hashtb))
-
-;; modified by MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;; function `substring' might cut on a middle of multi-octet
-;; character.
-(defun gnus-truncate-string (str width)
- (substring str 0 width))
-
-;; Added by Geoffrey T. Dairiki <dairiki@u.washington.edu>. A safe way
-;; to limit the length of a string. This function is necessary since
-;; `(substr "abc" 0 30)' pukes with "Args out of range".
-(defsubst gnus-limit-string (str width)
- (if (> (length str) width)
- (substring str 0 width)
- str))
-
-(defsubst gnus-simplify-subject-re (subject)
- "Remove \"Re:\" from subject lines."
- (if (string-match "^[Rr][Ee]: *" subject)
- (substring subject (match-end 0))
- subject))
-
-(defsubst gnus-goto-char (point)
- (and point (goto-char point)))
-
-(defmacro gnus-buffer-exists-p (buffer)
- `(and ,buffer
- (funcall (if (stringp ,buffer) 'get-buffer 'buffer-name)
- ,buffer)))
-
-(defmacro gnus-kill-buffer (buffer)
- `(let ((buf ,buffer))
- (if (gnus-buffer-exists-p buf)
- (kill-buffer buf))))
-
-(defsubst gnus-point-at-bol ()
- "Return point at the beginning of the line."
- (let ((p (point)))
- (beginning-of-line)
- (prog1
- (point)
- (goto-char p))))
-
-(defsubst gnus-point-at-eol ()
- "Return point at the end of the line."
- (let ((p (point)))
- (end-of-line)
- (prog1
- (point)
- (goto-char p))))
-
-;; Delete the current line (and the next N lines.);
-(defmacro gnus-delete-line (&optional n)
- `(delete-region (progn (beginning-of-line) (point))
- (progn (forward-line ,(or n 1)) (point))))
-
-;; Suggested by Brian Edmonds <edmonds@cs.ubc.ca>.
-(defvar gnus-init-inhibit nil)
-(defun gnus-read-init-file (&optional inhibit-next)
- (if gnus-init-inhibit
- (setq gnus-init-inhibit nil)
- (setq gnus-init-inhibit inhibit-next)
- (and gnus-init-file
- (or (and (file-exists-p gnus-init-file)
- ;; Don't try to load a directory.
- (not (file-directory-p gnus-init-file)))
- (file-exists-p (concat gnus-init-file ".el"))
- (file-exists-p (concat gnus-init-file ".elc")))
- (condition-case var
- (load gnus-init-file nil t)
- (error
- (error "Error in %s: %s" gnus-init-file var))))))
-
-;; Info access macros.
-
-(defmacro gnus-info-group (info)
- `(nth 0 ,info))
-(defmacro gnus-info-rank (info)
- `(nth 1 ,info))
-(defmacro gnus-info-read (info)
- `(nth 2 ,info))
-(defmacro gnus-info-marks (info)
- `(nth 3 ,info))
-(defmacro gnus-info-method (info)
- `(nth 4 ,info))
-(defmacro gnus-info-params (info)
- `(nth 5 ,info))
-
-(defmacro gnus-info-level (info)
- `(let ((rank (gnus-info-rank ,info)))
- (if (consp rank)
- (car rank)
- rank)))
-(defmacro gnus-info-score (info)
- `(let ((rank (gnus-info-rank ,info)))
- (or (and (consp rank) (cdr rank)) 0)))
-
-(defmacro gnus-info-set-group (info group)
- `(setcar ,info ,group))
-(defmacro gnus-info-set-rank (info rank)
- `(setcar (nthcdr 1 ,info) ,rank))
-(defmacro gnus-info-set-read (info read)
- `(setcar (nthcdr 2 ,info) ,read))
-(defmacro gnus-info-set-marks (info marks)
- `(setcar (nthcdr 3 ,info) ,marks))
-(defmacro gnus-info-set-method (info method)
- `(setcar (nthcdr 4 ,info) ,method))
-(defmacro gnus-info-set-params (info params)
- `(setcar (nthcdr 5 ,info) ,params))
-
-(defmacro gnus-info-set-level (info level)
- `(let ((rank (cdr ,info)))
- (if (consp (car rank))
- (setcar (car rank) ,level)
- (setcar rank ,level))))
-(defmacro gnus-info-set-score (info score)
- `(let ((rank (cdr ,info)))
- (if (consp (car rank))
- (setcdr (car rank) ,score)
- (setcar rank (cons (car rank) ,score)))))
-
-(defmacro gnus-get-info (group)
- `(nth 2 (gnus-gethash ,group gnus-newsrc-hashtb)))
-
-(defun gnus-byte-code (func)
- "Return a form that can be `eval'ed based on FUNC."
- (let ((fval (symbol-function func)))
- (if (byte-code-function-p fval)
- (let ((flist (append fval nil)))
- (setcar flist 'byte-code)
- flist)
- (cons 'progn (cddr fval)))))
-
-;;; Load the compatability functions.
-
-(require 'gnus-cus)
-(require 'gnus-ems)
-
-\f
-
-;; Format specs. The chunks below are the machine-generated forms
-;; that are to be evaled as the result of the default format strings.
-;; We write them in here to get them byte-compiled. That way the
-;; default actions will be quite fast, while still retaining the full
-;; flexibility of the user-defined format specs.
-
-;; First we have lots of dummy defvars to let the compiler know these
-;; are really dynamic variables.
-
-(defvar gnus-tmp-unread)
-(defvar gnus-tmp-replied)
-(defvar gnus-tmp-score-char)
-(defvar gnus-tmp-indentation)
-(defvar gnus-tmp-opening-bracket)
-(defvar gnus-tmp-lines)
-(defvar gnus-tmp-name)
-(defvar gnus-tmp-closing-bracket)
-(defvar gnus-tmp-subject-or-nil)
-(defvar gnus-tmp-subject)
-(defvar gnus-tmp-marked)
-(defvar gnus-tmp-marked-mark)
-(defvar gnus-tmp-subscribed)
-(defvar gnus-tmp-process-marked)
-(defvar gnus-tmp-number-of-unread)
-(defvar gnus-tmp-group-name)
-(defvar gnus-tmp-group)
-(defvar gnus-tmp-article-number)
-(defvar gnus-tmp-unread-and-unselected)
-(defvar gnus-tmp-news-method)
-(defvar gnus-tmp-news-server)
-(defvar gnus-tmp-article-number)
-(defvar gnus-mouse-face)
-(defvar gnus-mouse-face-prop)
-
-(defun gnus-summary-line-format-spec ()
- (insert gnus-tmp-unread gnus-tmp-replied
- gnus-tmp-score-char gnus-tmp-indentation)
- (put-text-property
- (point)
- (progn
- (insert
- gnus-tmp-opening-bracket
- (format "%4d: %-20s"
- gnus-tmp-lines
- (if (> (length gnus-tmp-name) 20)
- (substring gnus-tmp-name 0 20)
- gnus-tmp-name))
- gnus-tmp-closing-bracket)
- (point))
- gnus-mouse-face-prop gnus-mouse-face)
- (insert " " gnus-tmp-subject-or-nil "\n"))
-
-(defvar gnus-summary-line-format-spec
- (gnus-byte-code 'gnus-summary-line-format-spec))
-
-(defun gnus-summary-dummy-line-format-spec ()
- (insert "* ")
- (put-text-property
- (point)
- (progn
- (insert ": :")
- (point))
- gnus-mouse-face-prop gnus-mouse-face)
- (insert " " gnus-tmp-subject "\n"))
-
-(defvar gnus-summary-dummy-line-format-spec
- (gnus-byte-code 'gnus-summary-dummy-line-format-spec))
-
-(defun gnus-group-line-format-spec ()
- (insert gnus-tmp-marked-mark gnus-tmp-subscribed
- gnus-tmp-process-marked
- gnus-group-indentation
- (format "%5s: " gnus-tmp-number-of-unread))
- (put-text-property
- (point)
- (progn
- (insert gnus-tmp-group "\n")
- (1- (point)))
- gnus-mouse-face-prop gnus-mouse-face))
-(defvar gnus-group-line-format-spec
- (gnus-byte-code 'gnus-group-line-format-spec))
-
-(defvar gnus-format-specs
- `((version . ,emacs-version)
- (group ,gnus-group-line-format ,gnus-group-line-format-spec)
- (summary-dummy ,gnus-summary-dummy-line-format
- ,gnus-summary-dummy-line-format-spec)
- (summary ,gnus-summary-line-format ,gnus-summary-line-format-spec)))
-
-(defvar gnus-article-mode-line-format-spec nil)
-(defvar gnus-summary-mode-line-format-spec nil)
-(defvar gnus-group-mode-line-format-spec nil)
-
-;;; Phew. All that gruft is over, fortunately.
-
-\f
-;;;
-;;; Gnus Utility Functions
-;;;
-
-(defun gnus-extract-address-components (from)
- (let (name address)
- ;; First find the address - the thing with the @ in it. This may
- ;; not be accurate in mail addresses, but does the trick most of
- ;; the time in news messages.
- (if (string-match "\\b[^@ \t<>]+[!@][^@ \t<>]+\\b" from)
- (setq address (substring from (match-beginning 0) (match-end 0))))
- ;; Then we check whether the "name <address>" format is used.
- (and address
- ;; Fix by MORIOKA Tomohiko <morioka@jaist.ac.jp>
- ;; Linear white space is not required.
- (string-match (concat "[ \t]*<" (regexp-quote address) ">") from)
- (and (setq name (substring from 0 (match-beginning 0)))
- ;; Strip any quotes from the name.
- (string-match "\".*\"" name)
- (setq name (substring name 1 (1- (match-end 0))))))
- ;; If not, then "address (name)" is used.
- (or name
- (and (string-match "(.+)" from)
- (setq name (substring from (1+ (match-beginning 0))
- (1- (match-end 0)))))
- (and (string-match "()" from)
- (setq name address))
- ;; Fix by MORIOKA Tomohiko <morioka@jaist.ac.jp>.
- ;; XOVER might not support folded From headers.
- (and (string-match "(.*" from)
- (setq name (substring from (1+ (match-beginning 0))
- (match-end 0)))))
- ;; Fix by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
- (list (or name from) (or address from))))
-
-(defun gnus-fetch-field (field)
- "Return the value of the header FIELD of current article."
- (save-excursion
- (save-restriction
- (let ((case-fold-search t))
- (nnheader-narrow-to-headers)
- (mail-fetch-field field)))))
-
-(defun gnus-goto-colon ()
- (beginning-of-line)
- (search-forward ":" (gnus-point-at-eol) t))
-
-;;;###autoload
-(defun gnus-update-format (var)
- "Update the format specification near point."
- (interactive
- (list
- (save-excursion
- (eval-defun nil)
- ;; Find the end of the current word.
- (re-search-forward "[ \t\n]" nil t)
- ;; Search backward.
- (when (re-search-backward "\\(gnus-[-a-z]+-line-format\\)" nil t)
- (match-string 1)))))
- (let* ((type (intern (progn (string-match "gnus-\\([-a-z]+\\)-line" var)
- (match-string 1 var))))
- (entry (assq type gnus-format-specs))
- value spec)
- (when entry
- (setq gnus-format-specs (delq entry gnus-format-specs)))
- (set
- (intern (format "%s-spec" var))
- (gnus-parse-format (setq value (symbol-value (intern var)))
- (symbol-value (intern (format "%s-alist" var)))
- (not (string-match "mode" var))))
- (setq spec (symbol-value (intern (format "%s-spec" var))))
- (push (list type value spec) gnus-format-specs)
-
- (pop-to-buffer "*Gnus Format*")
- (erase-buffer)
- (lisp-interaction-mode)
- (insert (pp-to-string spec))))
-
-(defun gnus-update-format-specifications (&optional force)
- "Update all (necessary) format specifications."
- ;; Make the indentation array.
- (gnus-make-thread-indent-array)
-
- ;; See whether all the stored info needs to be flushed.
- (when (or force
- (not (equal emacs-version
- (cdr (assq 'version gnus-format-specs)))))
- (setq gnus-format-specs nil))
-
- ;; Go through all the formats and see whether they need updating.
- (let ((types '(summary summary-dummy group
- summary-mode group-mode article-mode))
- new-format entry type val)
- (while (setq type (pop types))
- ;; Jump to the proper buffer to find out the value of
- ;; the variable, if possible. (It may be buffer-local.)
- (save-excursion
- (let ((buffer (intern (format "gnus-%s-buffer" type)))
- val)
- (when (and (boundp buffer)
- (setq val (symbol-value buffer))
- (get-buffer val)
- (buffer-name (get-buffer val)))
- (set-buffer (get-buffer val)))
- (setq new-format (symbol-value
- (intern (format "gnus-%s-line-format" type))))))
- (setq entry (cdr (assq type gnus-format-specs)))
- (if (and entry
- (equal (car entry) new-format))
- ;; Use the old format.
- (set (intern (format "gnus-%s-line-format-spec" type))
- (cadr entry))
- ;; This is a new format.
- (setq val
- (if (not (stringp new-format))
- ;; This is a function call or something.
- new-format
- ;; This is a "real" format.
- (gnus-parse-format
- new-format
- (symbol-value
- (intern (format "gnus-%s-line-format-alist"
- (if (eq type 'article-mode)
- 'summary-mode type))))
- (not (string-match "mode$" (symbol-name type))))))
- ;; Enter the new format spec into the list.
- (if entry
- (progn
- (setcar (cdr entry) val)
- (setcar entry new-format))
- (push (list type new-format val) gnus-format-specs))
- (set (intern (format "gnus-%s-line-format-spec" type)) val))))
-
- (gnus-update-group-mark-positions)
- (gnus-update-summary-mark-positions)
-
- ;; See whether we need to read the description file.
- (if (and (string-match "%[-,0-9]*D" gnus-group-line-format)
- (not gnus-description-hashtb)
- gnus-read-active-file)
- (gnus-read-all-descriptions-files)))
-
-(defun gnus-update-summary-mark-positions ()
- "Compute where the summary marks are to go."
- (save-excursion
- (let ((gnus-replied-mark 129)
- (gnus-score-below-mark 130)
- (gnus-score-over-mark 130)
- (thread nil)
- (gnus-visual nil)
- pos)
- (gnus-set-work-buffer)
- (gnus-summary-insert-line
- [0 "" "" "" "" "" 0 0 ""] 0 nil 128 t nil "" nil 1)
- (goto-char (point-min))
- (setq pos (list (cons 'unread (and (search-forward "\200" nil t)
- (- (point) 2)))))
- (goto-char (point-min))
- (push (cons 'replied (and (search-forward "\201" nil t) (- (point) 2)))
- pos)
- (goto-char (point-min))
- (push (cons 'score (and (search-forward "\202" nil t) (- (point) 2)))
- pos)
- (setq gnus-summary-mark-positions pos))))
-
-(defun gnus-update-group-mark-positions ()
- (save-excursion
- (let ((gnus-process-mark 128)
- (gnus-group-marked '("dummy.group")))
- (gnus-set-active "dummy.group" '(0 . 0))
- (gnus-set-work-buffer)
- (gnus-group-insert-group-line "dummy.group" 0 nil 0 nil)
- (goto-char (point-min))
- (setq gnus-group-mark-positions
- (list (cons 'process (and (search-forward "\200" nil t)
- (- (point) 2))))))))
-
-(defvar gnus-mouse-face-0 'highlight)
-(defvar gnus-mouse-face-1 'highlight)
-(defvar gnus-mouse-face-2 'highlight)
-(defvar gnus-mouse-face-3 'highlight)
-(defvar gnus-mouse-face-4 'highlight)
-
-(defun gnus-mouse-face-function (form type)
- `(put-text-property
- (point) (progn ,@form (point))
- gnus-mouse-face-prop
- ,(if (equal type 0)
- 'gnus-mouse-face
- `(quote ,(symbol-value (intern (format "gnus-mouse-face-%d" type)))))))
-
-(defvar gnus-face-0 'bold)
-(defvar gnus-face-1 'italic)
-(defvar gnus-face-2 'bold-italic)
-(defvar gnus-face-3 'bold)
-(defvar gnus-face-4 'bold)
-
-(defun gnus-face-face-function (form type)
- `(put-text-property
- (point) (progn ,@form (point))
- 'face ',(symbol-value (intern (format "gnus-face-%d" type)))))
-
-(defun gnus-max-width-function (el max-width)
- (or (numberp max-width) (signal 'wrong-type-argument '(numberp max-width)))
- (if (symbolp el)
- `(if (> (length ,el) ,max-width)
- (substring ,el 0 ,max-width)
- ,el)
- `(let ((val (eval ,el)))
- (if (numberp val)
- (setq val (int-to-string val)))
- (if (> (length val) ,max-width)
- (substring val 0 ,max-width)
- val))))
-
-(defun gnus-parse-format (format spec-alist &optional insert)
- ;; This function parses the FORMAT string with the help of the
- ;; SPEC-ALIST and returns a list that can be eval'ed to return the
- ;; string. If the FORMAT string contains the specifiers %( and %)
- ;; the text between them will have the mouse-face text property.
- (if (string-match
- "\\`\\(.*\\)%[0-9]?[{(]\\(.*\\)%[0-9]?[})]\\(.*\n?\\)\\'"
- format)
- (gnus-parse-complex-format format spec-alist)
- ;; This is a simple format.
- (gnus-parse-simple-format format spec-alist insert)))
-
-(defun gnus-parse-complex-format (format spec-alist)
- (save-excursion
- (gnus-set-work-buffer)
- (insert format)
- (goto-char (point-min))
- (while (re-search-forward "\"" nil t)
- (replace-match "\\\"" nil t))
- (goto-char (point-min))
- (insert "(\"")
- (while (re-search-forward "%\\([0-9]+\\)?\\([{}()]\\)" nil t)
- (let ((number (if (match-beginning 1)
- (match-string 1) "0"))
- (delim (aref (match-string 2) 0)))
- (if (or (= delim ?\() (= delim ?\{))
- (replace-match (concat "\"(" (if (= delim ?\() "mouse" "face")
- " " number " \""))
- (replace-match "\")\""))))
- (goto-char (point-max))
- (insert "\")")
- (goto-char (point-min))
- (let ((form (read (current-buffer))))
- (cons 'progn (gnus-complex-form-to-spec form spec-alist)))))
-
-(defun gnus-complex-form-to-spec (form spec-alist)
- (delq nil
- (mapcar
- (lambda (sform)
- (if (stringp sform)
- (gnus-parse-simple-format sform spec-alist t)
- (funcall (intern (format "gnus-%s-face-function" (car sform)))
- (gnus-complex-form-to-spec (cddr sform) spec-alist)
- (nth 1 sform))))
- form)))
-
-(defun gnus-parse-simple-format (format spec-alist &optional insert)
- ;; This function parses the FORMAT string with the help of the
- ;; SPEC-ALIST and returns a list that can be eval'ed to return a
- ;; string.
- (let ((max-width 0)
- spec flist fstring newspec elem beg result dontinsert)
- (save-excursion
- (gnus-set-work-buffer)
- (insert format)
- (goto-char (point-min))
- (while (re-search-forward "%[-0-9]*\\(,[0-9]+\\)?\\([^0-9]\\)\\(.\\)?"
- nil t)
- (if (= (setq spec (string-to-char (match-string 2))) ?%)
- (setq newspec "%"
- beg (1+ (match-beginning 0)))
- ;; First check if there are any specs that look anything like
- ;; "%12,12A", ie. with a "max width specification". These have
- ;; to be treated specially.
- (if (setq beg (match-beginning 1))
- (setq max-width
- (string-to-int
- (buffer-substring
- (1+ (match-beginning 1)) (match-end 1))))
- (setq max-width 0)
- (setq beg (match-beginning 2)))
- ;; Find the specification from `spec-alist'.
- (unless (setq elem (cdr (assq spec spec-alist)))
- (setq elem '("*" ?s)))
- ;; Treat user defined format specifiers specially.
- (when (eq (car elem) 'gnus-tmp-user-defined)
- (setq elem
- (list
- (list (intern (concat "gnus-user-format-function-"
- (match-string 3)))
- 'gnus-tmp-header) ?s))
- (delete-region (match-beginning 3) (match-end 3)))
- (if (not (zerop max-width))
- (let ((el (car elem)))
- (cond ((= (cadr elem) ?c)
- (setq el (list 'char-to-string el)))
- ((= (cadr elem) ?d)
- (setq el (list 'int-to-string el))))
- (setq flist (cons (gnus-max-width-function el max-width)
- flist))
- (setq newspec ?s))
- (progn
- (setq flist (cons (car elem) flist))
- (setq newspec (cadr elem)))))
- ;; Remove the old specification (and possibly a ",12" string).
- (delete-region beg (match-end 2))
- ;; Insert the new specification.
- (goto-char beg)
- (insert newspec))
- (setq fstring (buffer-substring 1 (point-max))))
- ;; Do some postprocessing to increase efficiency.
- (setq
- result
- (cond
- ;; Emptyness.
- ((string= fstring "")
- nil)
- ;; Not a format string.
- ((not (string-match "%" fstring))
- (list fstring))
- ;; A format string with just a single string spec.
- ((string= fstring "%s")
- (list (car flist)))
- ;; A single character.
- ((string= fstring "%c")
- (list (car flist)))
- ;; A single number.
- ((string= fstring "%d")
- (setq dontinsert)
- (if insert
- (list `(princ ,(car flist)))
- (list `(int-to-string ,(car flist)))))
- ;; Just lots of chars and strings.
- ((string-match "\\`\\(%[cs]\\)+\\'" fstring)
- (nreverse flist))
- ;; A single string spec at the beginning of the spec.
- ((string-match "\\`%[sc][^%]+\\'" fstring)
- (list (car flist) (substring fstring 2)))
- ;; A single string spec in the middle of the spec.
- ((string-match "\\`\\([^%]+\\)%[sc]\\([^%]+\\)\\'" fstring)
- (list (match-string 1 fstring) (car flist) (match-string 2 fstring)))
- ;; A single string spec in the end of the spec.
- ((string-match "\\`\\([^%]+\\)%[sc]\\'" fstring)
- (list (match-string 1 fstring) (car flist)))
- ;; A more complex spec.
- (t
- (list (cons 'format (cons fstring (nreverse flist)))))))
-
- (if insert
- (when result
- (if dontinsert
- result
- (cons 'insert result)))
- (cond ((stringp result)
- result)
- ((consp result)
- (cons 'concat result))
- (t "")))))
-
-(defun gnus-eval-format (format &optional alist props)
- "Eval the format variable FORMAT, using ALIST.
-If PROPS, insert the result."
- (let ((form (gnus-parse-format format alist props)))
- (if props
- (add-text-properties (point) (progn (eval form) (point)) props)
- (eval form))))
-
-(defun gnus-remove-text-with-property (prop)
- "Delete all text in the current buffer with text property PROP."
- (save-excursion
- (goto-char (point-min))
- (while (not (eobp))
- (while (get-text-property (point) prop)
- (delete-char 1))
- (goto-char (next-single-property-change (point) prop nil (point-max))))))
-
-(defun gnus-set-work-buffer ()
- (if (get-buffer gnus-work-buffer)
- (progn
- (set-buffer gnus-work-buffer)
- (erase-buffer))
- (set-buffer (get-buffer-create gnus-work-buffer))
- (kill-all-local-variables)
- (buffer-disable-undo (current-buffer))
- (gnus-add-current-to-buffer-list)))
-
-;; Article file names when saving.
-
-(defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
- "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
-If variable `gnus-use-long-file-name' is nil, it is ~/News/News.group/num.
-Otherwise, it is like ~/News/news/group/num."
- (let ((default
- (expand-file-name
- (concat (if (gnus-use-long-file-name 'not-save)
- (gnus-capitalize-newsgroup newsgroup)
- (gnus-newsgroup-directory-form newsgroup))
- "/" (int-to-string (mail-header-number headers)))
- (or gnus-article-save-directory "~/News"))))
- (if (and last-file
- (string-equal (file-name-directory default)
- (file-name-directory last-file))
- (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
- default
- (or last-file default))))
-
-(defun gnus-numeric-save-name (newsgroup headers &optional last-file)
- "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
-If variable `gnus-use-long-file-name' is non-nil, it is
-~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
- (let ((default
- (expand-file-name
- (concat (if (gnus-use-long-file-name 'not-save)
- newsgroup
- (gnus-newsgroup-directory-form newsgroup))
- "/" (int-to-string (mail-header-number headers)))
- (or gnus-article-save-directory "~/News"))))
- (if (and last-file
- (string-equal (file-name-directory default)
- (file-name-directory last-file))
- (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
- default
- (or last-file default))))
-
-(defun gnus-Plain-save-name (newsgroup headers &optional last-file)
- "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
-If variable `gnus-use-long-file-name' is non-nil, it is
-~/News/News.group. Otherwise, it is like ~/News/news/group/news."
- (or last-file
- (expand-file-name
- (if (gnus-use-long-file-name 'not-save)
- (gnus-capitalize-newsgroup newsgroup)
- (concat (gnus-newsgroup-directory-form newsgroup) "/news"))
- (or gnus-article-save-directory "~/News"))))
-
-(defun gnus-plain-save-name (newsgroup headers &optional last-file)
- "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
-If variable `gnus-use-long-file-name' is non-nil, it is
-~/News/news.group. Otherwise, it is like ~/News/news/group/news."
- (or last-file
- (expand-file-name
- (if (gnus-use-long-file-name 'not-save)
- newsgroup
- (concat (gnus-newsgroup-directory-form newsgroup) "/news"))
- (or gnus-article-save-directory "~/News"))))
-
-;; For subscribing new newsgroup
-
-(defun gnus-subscribe-hierarchical-interactive (groups)
- (let ((groups (sort groups 'string<))
- prefixes prefix start ans group starts)
- (while groups
- (setq prefixes (list "^"))
- (while (and groups prefixes)
- (while (not (string-match (car prefixes) (car groups)))
- (setq prefixes (cdr prefixes)))
- (setq prefix (car prefixes))
- (setq start (1- (length prefix)))
- (if (and (string-match "[^\\.]\\." (car groups) start)
- (cdr groups)
- (setq prefix
- (concat "^" (substring (car groups) 0 (match-end 0))))
- (string-match prefix (cadr groups)))
- (progn
- (setq prefixes (cons prefix prefixes))
- (message "Descend hierarchy %s? ([y]nsq): "
- (substring prefix 1 (1- (length prefix))))
- (setq ans (read-char))
- (cond ((= ans ?n)
- (while (and groups
- (string-match prefix
- (setq group (car groups))))
- (setq gnus-killed-list
- (cons group gnus-killed-list))
- (gnus-sethash group group gnus-killed-hashtb)
- (setq groups (cdr groups)))
- (setq starts (cdr starts)))
- ((= ans ?s)
- (while (and groups
- (string-match prefix
- (setq group (car groups))))
- (gnus-sethash group group gnus-killed-hashtb)
- (gnus-subscribe-alphabetically (car groups))
- (setq groups (cdr groups)))
- (setq starts (cdr starts)))
- ((= ans ?q)
- (while groups
- (setq group (car groups))
- (setq gnus-killed-list (cons group gnus-killed-list))
- (gnus-sethash group group gnus-killed-hashtb)
- (setq groups (cdr groups))))
- (t nil)))
- (message "Subscribe %s? ([n]yq)" (car groups))
- (setq ans (read-char))
- (setq group (car groups))
- (cond ((= ans ?y)
- (gnus-subscribe-alphabetically (car groups))
- (gnus-sethash group group gnus-killed-hashtb))
- ((= ans ?q)
- (while groups
- (setq group (car groups))
- (setq gnus-killed-list (cons group gnus-killed-list))
- (gnus-sethash group group gnus-killed-hashtb)
- (setq groups (cdr groups))))
- (t
- (setq gnus-killed-list (cons group gnus-killed-list))
- (gnus-sethash group group gnus-killed-hashtb)))
- (setq groups (cdr groups)))))))
-
-(defun gnus-subscribe-randomly (newsgroup)
- "Subscribe new NEWSGROUP by making it the first newsgroup."
- (gnus-subscribe-newsgroup newsgroup))
-
-(defun gnus-subscribe-alphabetically (newgroup)
- "Subscribe new NEWSGROUP and insert it in alphabetical order."
- (let ((groups (cdr gnus-newsrc-alist))
- before)
- (while (and (not before) groups)
- (if (string< newgroup (caar groups))
- (setq before (caar groups))
- (setq groups (cdr groups))))
- (gnus-subscribe-newsgroup newgroup before)))
-
-(defun gnus-subscribe-hierarchically (newgroup)
- "Subscribe new NEWSGROUP and insert it in hierarchical newsgroup order."
- ;; Basic ideas by mike-w@cs.aukuni.ac.nz (Mike Williams)
- (save-excursion
- (set-buffer (find-file-noselect gnus-current-startup-file))
- (let ((groupkey newgroup)
- before)
- (while (and (not before) groupkey)
- (goto-char (point-min))
- (let ((groupkey-re
- (concat "^\\(" (regexp-quote groupkey) ".*\\)[!:]")))
- (while (and (re-search-forward groupkey-re nil t)
- (progn
- (setq before (match-string 1))
- (string< before newgroup)))))
- ;; Remove tail of newsgroup name (eg. a.b.c -> a.b)
- (setq groupkey
- (if (string-match "^\\(.*\\)\\.[^.]+$" groupkey)
- (substring groupkey (match-beginning 1) (match-end 1)))))
- (gnus-subscribe-newsgroup newgroup before))))
-
-(defun gnus-subscribe-interactively (group)
- "Subscribe the new GROUP interactively.
-It is inserted in hierarchical newsgroup order if subscribed. If not,
-it is killed."
- (if (gnus-y-or-n-p (format "Subscribe new newsgroup: %s " group))
- (gnus-subscribe-hierarchically group)
- (push group gnus-killed-list)))
-
-(defun gnus-subscribe-zombies (group)
- "Make the new GROUP into a zombie group."
- (push group gnus-zombie-list))
-
-(defun gnus-subscribe-killed (group)
- "Make the new GROUP a killed group."
- (push group gnus-killed-list))
-
-(defun gnus-subscribe-newsgroup (newsgroup &optional next)
- "Subscribe new NEWSGROUP.
-If NEXT is non-nil, it is inserted before NEXT. Otherwise it is made
-the first newsgroup."
- ;; We subscribe the group by changing its level to `subscribed'.
- (gnus-group-change-level
- newsgroup gnus-level-default-subscribed
- gnus-level-killed (gnus-gethash (or next "dummy.group") gnus-newsrc-hashtb))
- (gnus-message 5 "Subscribe newsgroup: %s" newsgroup))
-
-;; For directories
-
-(defun gnus-newsgroup-directory-form (newsgroup)
- "Make hierarchical directory name from NEWSGROUP name."
- (let ((newsgroup (gnus-newsgroup-savable-name newsgroup))
- (len (length newsgroup))
- idx)
- ;; If this is a foreign group, we don't want to translate the
- ;; entire name.
- (if (setq idx (string-match ":" newsgroup))
- (aset newsgroup idx ?/)
- (setq idx 0))
- ;; Replace all occurrences of `.' with `/'.
- (while (< idx len)
- (if (= (aref newsgroup idx) ?.)
- (aset newsgroup idx ?/))
- (setq idx (1+ idx)))
- newsgroup))
-
-(defun gnus-newsgroup-savable-name (group)
- ;; Replace any slashes in a group name (eg. an ange-ftp nndoc group)
- ;; with dots.
- (nnheader-replace-chars-in-string group ?/ ?.))
-
-(defun gnus-make-directory (dir)
- "Make DIRECTORY recursively."
- ;; Why don't we use `(make-directory dir 'parents)'? That's just one
- ;; of the many mysteries of the universe.
- (let* ((dir (expand-file-name dir default-directory))
- dirs err)
- (if (string-match "/$" dir)
- (setq dir (substring dir 0 (match-beginning 0))))
- ;; First go down the path until we find a directory that exists.
- (while (not (file-exists-p dir))
- (setq dirs (cons dir dirs))
- (string-match "/[^/]+$" dir)
- (setq dir (substring dir 0 (match-beginning 0))))
- ;; Then create all the subdirs.
- (while (and dirs (not err))
- (condition-case ()
- (make-directory (car dirs))
- (error (setq err t)))
- (setq dirs (cdr dirs)))
- ;; We return whether we were successful or not.
- (not dirs)))
-
-(defun gnus-capitalize-newsgroup (newsgroup)
- "Capitalize NEWSGROUP name."
- (and (not (zerop (length newsgroup)))
- (concat (char-to-string (upcase (aref newsgroup 0)))
- (substring newsgroup 1))))
-
-;; Various... things.
-
-(defun gnus-simplify-subject (subject &optional re-only)
- "Remove `Re:' and words in parentheses.
-If RE-ONLY is non-nil, strip leading `Re:'s only."
- (let ((case-fold-search t)) ;Ignore case.
- ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
- (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
- (setq subject (substring subject (match-end 0))))
- ;; Remove uninteresting prefixes.
- (if (and (not re-only)
- gnus-simplify-ignored-prefixes
- (string-match gnus-simplify-ignored-prefixes subject))
- (setq subject (substring subject (match-end 0))))
- ;; Remove words in parentheses from end.
- (unless re-only
- (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
- (setq subject (substring subject 0 (match-beginning 0)))))
- ;; Return subject string.
- subject))
-
-;; Remove any leading "re:"s, any trailing paren phrases, and simplify
-;; all whitespace.
-;; Written by Stainless Steel Rat <ratinox@ccs.neu.edu>.
-(defun gnus-simplify-buffer-fuzzy ()
- (goto-char (point-min))
- (re-search-forward "^[ \t]*\\(re\\|fwd\\)[[{(^0-9]*[])}]?[:;][ \t]*" nil t)
- (goto-char (match-beginning 0))
- (while (or
- (looking-at "^[ \t]*\\(re\\|fwd\\)[[{(^0-9]*[])}]?[:;][ \t]*")
- (looking-at "^[[].*:[ \t].*[]]$"))
- (goto-char (point-min))
- (while (re-search-forward "^[ \t]*\\(re\\|fwd\\)[[{(^0-9]*[])}]?[:;][ \t]*"
- nil t)
- (replace-match "" t t))
- (goto-char (point-min))
- (while (re-search-forward "^[[].*:[ \t].*[]]$" nil t)
- (goto-char (match-end 0))
- (delete-char -1)
- (delete-region
- (progn (goto-char (match-beginning 0)))
- (re-search-forward ":"))))
- (goto-char (point-min))
- (while (re-search-forward "[ \t\n]*[[{(][^()]*[]})][ \t]*$" nil t)
- (replace-match "" t t))
- (goto-char (point-min))
- (while (re-search-forward "[ \t]+" nil t)
- (replace-match " " t t))
- (goto-char (point-min))
- (while (re-search-forward "[ \t]+$" nil t)
- (replace-match "" t t))
- (goto-char (point-min))
- (while (re-search-forward "^[ \t]+" nil t)
- (replace-match "" t t))
- (goto-char (point-min))
- (if gnus-simplify-subject-fuzzy-regexp
- (if (listp gnus-simplify-subject-fuzzy-regexp)
- (let ((list gnus-simplify-subject-fuzzy-regexp))
- (while list
- (goto-char (point-min))
- (while (re-search-forward (car list) nil t)
- (replace-match "" t t))
- (setq list (cdr list))))
- (while (re-search-forward gnus-simplify-subject-fuzzy-regexp nil t)
- (replace-match "" t t)))))
-
-(defun gnus-simplify-subject-fuzzy (subject)
- "Siplify a subject string fuzzily."
- (save-excursion
- (gnus-set-work-buffer)
- (let ((case-fold-search t))
- (insert subject)
- (inline (gnus-simplify-buffer-fuzzy))
- (buffer-string))))
-
-;; Add the current buffer to the list of buffers to be killed on exit.
-(defun gnus-add-current-to-buffer-list ()
- (or (memq (current-buffer) gnus-buffer-list)
- (setq gnus-buffer-list (cons (current-buffer) gnus-buffer-list))))
-
-(defun gnus-string> (s1 s2)
- (not (or (string< s1 s2)
- (string= s1 s2))))
-
-;;; General various misc type functions.
-
-(defun gnus-clear-system ()
- "Clear all variables and buffers."
- ;; Clear Gnus variables.
- (let ((variables gnus-variable-list))
- (while variables
- (set (car variables) nil)
- (setq variables (cdr variables))))
- ;; Clear other internal variables.
- (setq gnus-list-of-killed-groups nil
- gnus-have-read-active-file nil
- gnus-newsrc-alist nil
- gnus-newsrc-hashtb nil
- gnus-killed-list nil
- gnus-zombie-list nil
- gnus-killed-hashtb nil
- gnus-active-hashtb nil
- gnus-moderated-list nil
- gnus-description-hashtb nil
- gnus-newsgroup-headers nil
- gnus-newsgroup-name nil
- gnus-server-alist nil
- gnus-opened-servers nil
- gnus-current-select-method nil)
- ;; Reset any score variables.
- (and gnus-use-scoring (gnus-score-close))
- ;; Kill the startup file.
- (and gnus-current-startup-file
- (get-file-buffer gnus-current-startup-file)
- (kill-buffer (get-file-buffer gnus-current-startup-file)))
- ;; Save any cache buffers.
- (and gnus-use-cache (gnus-cache-save-buffers))
- ;; Clear the dribble buffer.
- (gnus-dribble-clear)
- ;; Close down NoCeM.
- (when gnus-use-nocem
- (gnus-nocem-close))
- ;; Shut down the demons.
- (when gnus-use-demon
- (gnus-demon-cancel))
- ;; Kill global KILL file buffer.
- (if (get-file-buffer (gnus-newsgroup-kill-file nil))
- (kill-buffer (get-file-buffer (gnus-newsgroup-kill-file nil))))
- (gnus-kill-buffer nntp-server-buffer)
- ;; Backlog.
- (and gnus-keep-backlog (gnus-backlog-shutdown))
- ;; Kill Gnus buffers.
- (while gnus-buffer-list
- (gnus-kill-buffer (car gnus-buffer-list))
- (setq gnus-buffer-list (cdr gnus-buffer-list))))
-
-(defun gnus-windows-old-to-new (setting)
- ;; First we take care of the really, really old Gnus 3 actions.
- (if (symbolp setting)
- (setq setting
- (cond ((memq setting '(SelectArticle))
- 'article)
- ((memq setting '(SelectSubject ExpandSubject))
- 'summary)
- ((memq setting '(SelectNewsgroup ExitNewsgroup))
- 'group)
- (t setting))))
- (if (or (listp setting)
- (not (and gnus-window-configuration
- (memq setting '(group summary article)))))
- setting
- (let* ((setting (if (eq setting 'group)
- (if (assq 'newsgroup gnus-window-configuration)
- 'newsgroup
- 'newsgroups) setting))
- (elem (cadr (assq setting gnus-window-configuration)))
- (total (apply '+ elem))
- (types '(group summary article))
- (pbuf (if (eq setting 'newsgroups) 'group 'summary))
- (i 0)
- perc
- out)
- (while (< i 3)
- (or (not (numberp (nth i elem)))
- (zerop (nth i elem))
- (progn
- (setq perc (/ (float (nth 0 elem)) total))
- (setq out (cons (if (eq pbuf (nth i types))
- (vector (nth i types) perc 'point)
- (vector (nth i types) perc))
- out))))
- (setq i (1+ i)))
- (list (nreverse out)))))
-
-;;;###autoload
-(defun gnus-add-configuration (conf)
- "Add the window configuration CONF to `gnus-buffer-configuration'."
- (setq gnus-buffer-configuration
- (cons conf (delq (assq (car conf) gnus-buffer-configuration)
- gnus-buffer-configuration))))
-
-(defvar gnus-frame-list nil)
-
-(defun gnus-configure-frame (split &optional window)
- "Split WINDOW according to SPLIT."
- (unless window
- (setq window (get-buffer-window (current-buffer))))
- (select-window window)
- ;; This might be an old-stylee buffer config.
- (when (vectorp split)
- (setq split (append split nil)))
- (when (or (consp (car split))
- (vectorp (car split)))
- (push 1.0 split)
- (push 'vertical split))
- ;; The SPLIT might be something that is to be evaled to
- ;; return a new SPLIT.
- (while (and (not (assq (car split) gnus-window-to-buffer))
- (gnus-functionp (car split)))
- (setq split (eval split)))
- (let* ((type (car split))
- (subs (cddr split))
- (len (if (eq type 'horizontal) (window-width) (window-height)))
- (total 0)
- (window-min-width (or gnus-window-min-width window-min-width))
- (window-min-height (or gnus-window-min-height window-min-height))
- s result new-win rest comp-subs size sub)
- (cond
- ;; Nothing to do here.
- ((null split))
- ;; Don't switch buffers.
- ((null type)
- (and (memq 'point split) window))
- ;; This is a buffer to be selected.
- ((not (memq type '(frame horizontal vertical)))
- (let ((buffer (cond ((stringp type) type)
- (t (cdr (assq type gnus-window-to-buffer)))))
- buf)
- (unless buffer
- (error "Illegal buffer type: %s" type))
- (unless (setq buf (get-buffer (if (symbolp buffer)
- (symbol-value buffer) buffer)))
- (setq buf (get-buffer-create (if (symbolp buffer)
- (symbol-value buffer) buffer))))
- (switch-to-buffer buf)
- ;; We return the window if it has the `point' spec.
- (and (memq 'point split) window)))
- ;; This is a frame split.
- ((eq type 'frame)
- (unless gnus-frame-list
- (setq gnus-frame-list (list (window-frame
- (get-buffer-window (current-buffer))))))
- (let ((i 0)
- params frame fresult)
- (while (< i (length subs))
- ;; Frame parameter is gotten from the sub-split.
- (setq params (cadr (elt subs i)))
- ;; It should be a list.
- (unless (listp params)
- (setq params nil))
- ;; Create a new frame?
- (unless (setq frame (elt gnus-frame-list i))
- (nconc gnus-frame-list (list (setq frame (make-frame params)))))
- ;; Is the old frame still alive?
- (unless (frame-live-p frame)
- (setcar (nthcdr i gnus-frame-list)
- (setq frame (make-frame params))))
- ;; Select the frame in question and do more splits there.
- (select-frame frame)
- (setq fresult (or (gnus-configure-frame (elt subs i)) fresult))
- (incf i))
- ;; Select the frame that has the selected buffer.
- (when fresult
- (select-frame (window-frame fresult)))))
- ;; This is a normal split.
- (t
- (when (> (length subs) 0)
- ;; First we have to compute the sizes of all new windows.
- (while subs
- (setq sub (append (pop subs) nil))
- (while (and (not (assq (car sub) gnus-window-to-buffer))
- (gnus-functionp (car sub)))
- (setq sub (eval sub)))
- (when sub
- (push sub comp-subs)
- (setq size (cadar comp-subs))
- (cond ((equal size 1.0)
- (setq rest (car comp-subs))
- (setq s 0))
- ((floatp size)
- (setq s (floor (* size len))))
- ((integerp size)
- (setq s size))
- (t
- (error "Illegal size: %s" size)))
- ;; Try to make sure that we are inside the safe limits.
- (cond ((zerop s))
- ((eq type 'horizontal)
- (setq s (max s window-min-width)))
- ((eq type 'vertical)
- (setq s (max s window-min-height))))
- (setcar (cdar comp-subs) s)
- (incf total s)))
- ;; Take care of the "1.0" spec.
- (if rest
- (setcar (cdr rest) (- len total))
- (error "No 1.0 specs in %s" split))
- ;; The we do the actual splitting in a nice recursive
- ;; fashion.
- (setq comp-subs (nreverse comp-subs))
- (while comp-subs
- (if (null (cdr comp-subs))
- (setq new-win window)
- (setq new-win
- (split-window window (cadar comp-subs)
- (eq type 'horizontal))))
- (setq result (or (gnus-configure-frame
- (car comp-subs) window) result))
- (select-window new-win)
- (setq window new-win)
- (setq comp-subs (cdr comp-subs))))
- ;; Return the proper window, if any.
- (when result
- (select-window result))))))
-
-(defvar gnus-frame-split-p nil)
-
-(defun gnus-configure-windows (setting &optional force)
- (setq setting (gnus-windows-old-to-new setting))
- (let ((split (if (symbolp setting)
- (cadr (assq setting gnus-buffer-configuration))
- setting))
- (in-buf (current-buffer))
- rule val w height hor ohor heights sub jump-buffer
- rel total to-buf all-visible)
-
- (setq gnus-frame-split-p nil)
-
- (unless split
- (error "No such setting: %s" setting))
-
- (if (and (setq all-visible (gnus-all-windows-visible-p split))
- (not force))
- ;; All the windows mentioned are already visible, so we just
- ;; put point in the assigned buffer, and do not touch the
- ;; winconf.
- (select-window all-visible)
-
- ;; Either remove all windows or just remove all Gnus windows.
- (let ((frame (selected-frame)))
- (unwind-protect
- (if gnus-use-full-window
- ;; We want to remove all other windows.
- (if (not gnus-frame-split-p)
- ;; This is not a `frame' split, so we ignore the
- ;; other frames.
- (delete-other-windows)
- ;; This is a `frame' split, so we delete all windows
- ;; on all frames.
- (mapcar
- (lambda (frame)
- (unless (eq (cdr (assq 'minibuffer
- (frame-parameters frame)))
- 'only)
- (select-frame frame)
- (delete-other-windows)))
- (frame-list)))
- ;; Just remove some windows.
- (gnus-remove-some-windows)
- (switch-to-buffer nntp-server-buffer))
- (select-frame frame)))
-
- (switch-to-buffer nntp-server-buffer)
- (gnus-configure-frame split (get-buffer-window (current-buffer))))))
-
-(defun gnus-all-windows-visible-p (split)
- (when (vectorp split)
- (setq split (append split nil)))
- (when (or (consp (car split))
- (vectorp (car split)))
- (push 1.0 split)
- (push 'vertical split))
- ;; The SPLIT might be something that is to be evaled to
- ;; return a new SPLIT.
- (while (and (not (assq (car split) gnus-window-to-buffer))
- (gnus-functionp (car split)))
- (setq split (eval split)))
- (let* ((type (elt split 0)))
- (cond
- ((null split)
- t)
- ((not (or (eq type 'horizontal) (eq type 'vertical) (eq type 'frame)))
- (let ((buffer (cond ((stringp type) type)
- (t (cdr (assq type gnus-window-to-buffer)))))
- win buf)
- (unless buffer
- (error "Illegal buffer type: %s" type))
- (when (setq buf (get-buffer (if (symbolp buffer) (symbol-value buffer)
- buffer)))
- (setq win (get-buffer-window buf t)))
- (when win
- (if (memq 'point split)
- win
- t))))
- (t
- (when (eq type 'frame)
- (setq gnus-frame-split-p t))
- (let ((n (mapcar 'gnus-all-windows-visible-p
- (cddr split)))
- (win t))
- (while n
- (cond ((windowp (car n))
- (setq win (car n)))
- ((null (car n))
- (setq win nil)))
- (setq n (cdr n)))
- win)))))
-
-(defun gnus-window-top-edge (&optional window)
- (nth 1 (window-edges window)))
-
-(defun gnus-remove-some-windows ()
- (let ((buffers gnus-window-to-buffer)
- buf bufs lowest-buf lowest)
- (save-excursion
- ;; Remove windows on all known Gnus buffers.
- (while buffers
- (setq buf (cdar buffers))
- (if (symbolp buf)
- (setq buf (and (boundp buf) (symbol-value buf))))
- (and buf
- (get-buffer-window buf)
- (progn
- (setq bufs (cons buf bufs))
- (pop-to-buffer buf)
- (if (or (not lowest)
- (< (gnus-window-top-edge) lowest))
- (progn
- (setq lowest (gnus-window-top-edge))
- (setq lowest-buf buf)))))
- (setq buffers (cdr buffers)))
- ;; Remove windows on *all* summary buffers.
- (let (wins)
- (walk-windows
- (lambda (win)
- (let ((buf (window-buffer win)))
- (if (string-match "^\\*Summary" (buffer-name buf))
- (progn
- (setq bufs (cons buf bufs))
- (pop-to-buffer buf)
- (if (or (not lowest)
- (< (gnus-window-top-edge) lowest))
- (progn
- (setq lowest-buf buf)
- (setq lowest (gnus-window-top-edge))))))))))
- (and lowest-buf
- (progn
- (pop-to-buffer lowest-buf)
- (switch-to-buffer nntp-server-buffer)))
- (while bufs
- (and (not (eq (car bufs) lowest-buf))
- (delete-windows-on (car bufs)))
- (setq bufs (cdr bufs))))))
-
-(defun gnus-version ()
- "Version numbers of this version of Gnus."
- (interactive)
- (let ((methods gnus-valid-select-methods)
- (mess gnus-version)
- meth)
- ;; Go through all the legal select methods and add their version
- ;; numbers to the total version string. Only the backends that are
- ;; currently in use will have their message numbers taken into
- ;; consideration.
- (while methods
- (setq meth (intern (concat (caar methods) "-version")))
- (and (boundp meth)
- (stringp (symbol-value meth))
- (setq mess (concat mess "; " (symbol-value meth))))
- (setq methods (cdr methods)))
- (gnus-message 2 mess)))
-
-(defun gnus-info-find-node ()
- "Find Info documentation of Gnus."
- (interactive)
- ;; Enlarge info window if needed.
- (let ((mode major-mode)
- gnus-info-buffer)
- (Info-goto-node (cadr (assq mode gnus-info-nodes)))
- (setq gnus-info-buffer (current-buffer))
- (gnus-configure-windows 'info)))
-
-(defun gnus-days-between (date1 date2)
- ;; Return the number of days between date1 and date2.
- (- (gnus-day-number date1) (gnus-day-number date2)))
-
-(defun gnus-day-number (date)
- (let ((dat (mapcar (lambda (s) (and s (string-to-int s)) )
- (timezone-parse-date date))))
- (timezone-absolute-from-gregorian
- (nth 1 dat) (nth 2 dat) (car dat))))
-
-(defun gnus-encode-date (date)
- "Convert DATE to internal time."
- (let* ((parse (timezone-parse-date date))
- (date (mapcar (lambda (d) (and d (string-to-int d))) parse))
- (time (mapcar 'string-to-int (timezone-parse-time (aref parse 3)))))
- (encode-time (caddr time) (cadr time) (car time)
- (caddr date) (cadr date) (car date) (nth 4 date))))
-
-(defun gnus-time-minus (t1 t2)
- "Subtract two internal times."
- (let ((borrow (< (cadr t1) (cadr t2))))
- (list (- (car t1) (car t2) (if borrow 1 0))
- (- (+ (if borrow 65536 0) (cadr t1)) (cadr t2)))))
-
-(defun gnus-file-newer-than (file date)
- (let ((fdate (nth 5 (file-attributes file))))
- (or (> (car fdate) (car date))
- (and (= (car fdate) (car date))
- (> (nth 1 fdate) (nth 1 date))))))
-
-(defmacro gnus-define-keys (keymap &rest plist)
- "Define all keys in PLIST in KEYMAP."
- `(gnus-define-keys-1 (quote ,keymap) (quote ,plist)))
-
-(defmacro gnus-define-keymap (keymap &rest plist)
- "Define all keys in PLIST in KEYMAP."
- `(gnus-define-keys-1 ,keymap (quote ,plist)))
-
-(defun gnus-define-keys-1 (keymap plist)
- (when (null keymap)
- (error "Can't set keys in a null keymap"))
- (cond ((symbolp keymap)
- (setq keymap (symbol-value keymap)))
- ((keymapp keymap))
- ((listp keymap)
- (set (car keymap) nil)
- (define-prefix-command (car keymap))
- (define-key (symbol-value (caddr keymap)) (cadr keymap) (car keymap))
- (setq keymap (symbol-value (car keymap)))))
- (let (key)
- (while plist
- (when (symbolp (setq key (pop plist)))
- (setq key (symbol-value key)))
- (define-key keymap key (pop plist)))))
-
-(defun gnus-group-read-only-p (&optional group)
- "Check whether GROUP supports editing or not.
-If GROUP is nil, `gnus-newsgroup-name' will be checked instead. Note
-that that variable is buffer-local to the summary buffers."
- (let ((group (or group gnus-newsgroup-name)))
- (not (gnus-check-backend-function 'request-replace-article group))))
-
-(defun gnus-group-total-expirable-p (group)
- "Check whether GROUP is total-expirable or not."
- (let ((params (gnus-info-params (gnus-get-info group))))
- (or (memq 'total-expire params)
- (cdr (assq 'total-expire params)) ; (total-expire . t)
- (and gnus-total-expirable-newsgroups ; Check var.
- (string-match gnus-total-expirable-newsgroups group)))))
-
-(defun gnus-group-auto-expirable-p (group)
- "Check whether GROUP is total-expirable or not."
- (let ((params (gnus-info-params (gnus-get-info group))))
- (or (memq 'auto-expire params)
- (cdr (assq 'auto-expire params)) ; (auto-expire . t)
- (and gnus-auto-expirable-newsgroups ; Check var.
- (string-match gnus-auto-expirable-newsgroups group)))))
-
-(defun gnus-virtual-group-p (group)
- "Say whether GROUP is virtual or not."
- (memq 'virtual (assoc (symbol-name (car (gnus-find-method-for-group group)))
- gnus-valid-select-methods)))
-
-(defsubst gnus-simplify-subject-fully (subject)
- "Simplify a subject string according to the user's wishes."
- (cond
- ((null gnus-summary-gather-subject-limit)
- (gnus-simplify-subject-re subject))
- ((eq gnus-summary-gather-subject-limit 'fuzzy)
- (gnus-simplify-subject-fuzzy subject))
- ((numberp gnus-summary-gather-subject-limit)
- (gnus-limit-string (gnus-simplify-subject-re subject)
- gnus-summary-gather-subject-limit))
- (t
- subject)))
-
-(defsubst gnus-subject-equal (s1 s2 &optional simple-first)
- "Check whether two subjects are equal. If optional argument
-simple-first is t, first argument is already simplified."
- (cond
- ((null simple-first)
- (equal (gnus-simplify-subject-fully s1)
- (gnus-simplify-subject-fully s2)))
- (t
- (equal s1
- (gnus-simplify-subject-fully s2)))))
-
-;; Returns a list of writable groups.
-(defun gnus-writable-groups ()
- (let ((alist gnus-newsrc-alist)
- groups group)
- (while (setq group (car (pop alist)))
- (unless (gnus-group-read-only-p group)
- (push group groups)))
- (nreverse groups)))
-
-;; Two silly functions to ensure that all `y-or-n-p' questions clear
-;; the echo area.
-(defun gnus-y-or-n-p (prompt)
- (prog1
- (y-or-n-p prompt)
- (message "")))
-
-(defun gnus-yes-or-no-p (prompt)
- (prog1
- (yes-or-no-p prompt)
- (message "")))
-
-;; Check whether to use long file names.
-(defun gnus-use-long-file-name (symbol)
- ;; The variable has to be set...
- (and gnus-use-long-file-name
- ;; If it isn't a list, then we return t.
- (or (not (listp gnus-use-long-file-name))
- ;; If it is a list, and the list contains `symbol', we
- ;; return nil.
- (not (memq symbol gnus-use-long-file-name)))))
-
-;; I suspect there's a better way, but I haven't taken the time to do
-;; it yet. -erik selberg@cs.washington.edu
-(defun gnus-dd-mmm (messy-date)
- "Return a string like DD-MMM from a big messy string"
- (let ((datevec (timezone-parse-date messy-date)))
- (format "%2s-%s"
- (or (aref datevec 2) "??")
- (capitalize
- (or (car
- (nth (1- (string-to-number (aref datevec 1)))
- timezone-months-assoc))
- "???")))))
-
-;; Make a hash table (default and minimum size is 255).
-;; Optional argument HASHSIZE specifies the table size.
-(defun gnus-make-hashtable (&optional hashsize)
- (make-vector (if hashsize (max (gnus-create-hash-size hashsize) 255) 255) 0))
-
-;; Make a number that is suitable for hashing; bigger than MIN and one
-;; less than 2^x.
-(defun gnus-create-hash-size (min)
- (let ((i 1))
- (while (< i min)
- (setq i (* 2 i)))
- (1- i)))
-
-;; Show message if message has a lower level than `gnus-verbose'.
-;; Guideline for numbers:
-;; 1 - error messages, 3 - non-serious error messages, 5 - messages
-;; for things that take a long time, 7 - not very important messages
-;; on stuff, 9 - messages inside loops.
-(defun gnus-message (level &rest args)
- (if (<= level gnus-verbose)
- (apply 'message args)
- ;; We have to do this format thingy here even if the result isn't
- ;; shown - the return value has to be the same as the return value
- ;; from `message'.
- (apply 'format args)))
-
-(defun gnus-functionp (form)
- "Return non-nil if FORM is funcallable."
- (or (and (symbolp form) (fboundp form))
- (and (listp form) (eq (car form) 'lambda))))
-
-;; Generate a unique new group name.
-(defun gnus-generate-new-group-name (leaf)
- (let ((name leaf)
- (num 0))
- (while (gnus-gethash name gnus-newsrc-hashtb)
- (setq name (concat leaf "<" (int-to-string (setq num (1+ num))) ">")))
- name))
-
-;; Find out whether the gnus-visual TYPE is wanted.
-(defun gnus-visual-p (&optional type class)
- (and gnus-visual ; Has to be non-nil, at least.
- (if (not type) ; We don't care about type.
- gnus-visual
- (if (listp gnus-visual) ; It's a list, so we check it.
- (or (memq type gnus-visual)
- (memq class gnus-visual))
- t))))
-
-(defun gnus-parent-id (references)
- "Return the last Message-ID in REFERENCES."
- (when (and references
- (string-match "\\(<[^<>]+>\\)[ \t\n]*\\'" references))
- (substring references (match-beginning 1) (match-end 1))))
-
-(defun gnus-split-references (references)
- "Return a list of Message-IDs in REFERENCES."
- (let ((beg 0)
- ids)
- (while (string-match "<[^>]+>" references beg)
- (push (substring references (match-beginning 0) (setq beg (match-end 0)))
- ids))
- (nreverse ids)))
-
-(defun gnus-ephemeral-group-p (group)
- "Say whether GROUP is ephemeral or not."
- (gnus-group-get-parameter group 'quit-config))
-
-(defun gnus-group-quit-config (group)
- "Return the quit-config of GROUP."
- (gnus-group-get-parameter group 'quit-config))
-
-(defun gnus-simplify-mode-line ()
- "Make mode lines a bit simpler."
- (setq mode-line-modified "-- ")
- (when (listp mode-line-format)
- (make-local-variable 'mode-line-format)
- (setq mode-line-format (copy-sequence mode-line-format))
- (when (equal (nth 3 mode-line-format) " ")
- (setcar (nthcdr 3 mode-line-format) " "))))
-
-;;; List and range functions
-
-(defun gnus-last-element (list)
- "Return last element of LIST."
- (while (cdr list)
- (setq list (cdr list)))
- (car list))
-
-(defun gnus-copy-sequence (list)
- "Do a complete, total copy of a list."
- (if (and (consp list) (not (consp (cdr list))))
- (cons (car list) (cdr list))
- (mapcar (lambda (elem) (if (consp elem)
- (if (consp (cdr elem))
- (gnus-copy-sequence elem)
- (cons (car elem) (cdr elem)))
- elem))
- list)))
-
-(defun gnus-set-difference (list1 list2)
- "Return a list of elements of LIST1 that do not appear in LIST2."
- (let ((list1 (copy-sequence list1)))
- (while list2
- (setq list1 (delq (car list2) list1))
- (setq list2 (cdr list2)))
- list1))
-
-(defun gnus-sorted-complement (list1 list2)
- "Return a list of elements of LIST1 that do not appear in LIST2.
-Both lists have to be sorted over <."
- (let (out)
- (if (or (null list1) (null list2))
- (or list1 list2)
- (while (and list1 list2)
- (cond ((= (car list1) (car list2))
- (setq list1 (cdr list1)
- list2 (cdr list2)))
- ((< (car list1) (car list2))
- (setq out (cons (car list1) out))
- (setq list1 (cdr list1)))
- (t
- (setq out (cons (car list2) out))
- (setq list2 (cdr list2)))))
- (nconc (nreverse out) (or list1 list2)))))
-
-(defun gnus-intersection (list1 list2)
- (let ((result nil))
- (while list2
- (if (memq (car list2) list1)
- (setq result (cons (car list2) result)))
- (setq list2 (cdr list2)))
- result))
-
-(defun gnus-sorted-intersection (list1 list2)
- ;; LIST1 and LIST2 have to be sorted over <.
- (let (out)
- (while (and list1 list2)
- (cond ((= (car list1) (car list2))
- (setq out (cons (car list1) out)
- list1 (cdr list1)
- list2 (cdr list2)))
- ((< (car list1) (car list2))
- (setq list1 (cdr list1)))
- (t
- (setq list2 (cdr list2)))))
- (nreverse out)))
-
-(defun gnus-set-sorted-intersection (list1 list2)
- ;; LIST1 and LIST2 have to be sorted over <.
- ;; This function modifies LIST1.
- (let* ((top (cons nil list1))
- (prev top))
- (while (and list1 list2)
- (cond ((= (car list1) (car list2))
- (setq prev list1
- list1 (cdr list1)
- list2 (cdr list2)))
- ((< (car list1) (car list2))
- (setcdr prev (cdr list1))
- (setq list1 (cdr list1)))
- (t
- (setq list2 (cdr list2)))))
- (setcdr prev nil)
- (cdr top)))
-
-(defun gnus-compress-sequence (numbers &optional always-list)
- "Convert list of numbers to a list of ranges or a single range.
-If ALWAYS-LIST is non-nil, this function will always release a list of
-ranges."
- (let* ((first (car numbers))
- (last (car numbers))
- result)
- (if (null numbers)
- nil
- (if (not (listp (cdr numbers)))
- numbers
- (while numbers
- (cond ((= last (car numbers)) nil) ;Omit duplicated number
- ((= (1+ last) (car numbers)) ;Still in sequence
- (setq last (car numbers)))
- (t ;End of one sequence
- (setq result
- (cons (if (= first last) first
- (cons first last)) result))
- (setq first (car numbers))
- (setq last (car numbers))))
- (setq numbers (cdr numbers)))
- (if (and (not always-list) (null result))
- (if (= first last) (list first) (cons first last))
- (nreverse (cons (if (= first last) first (cons first last))
- result)))))))
-
-(defalias 'gnus-uncompress-sequence 'gnus-uncompress-range)
-(defun gnus-uncompress-range (ranges)
- "Expand a list of ranges into a list of numbers.
-RANGES is either a single range on the form `(num . num)' or a list of
-these ranges."
- (let (first last result)
- (cond
- ((null ranges)
- nil)
- ((not (listp (cdr ranges)))
- (setq first (car ranges))
- (setq last (cdr ranges))
- (while (<= first last)
- (setq result (cons first result))
- (setq first (1+ first)))
- (nreverse result))
- (t
- (while ranges
- (if (atom (car ranges))
- (if (numberp (car ranges))
- (setq result (cons (car ranges) result)))
- (setq first (caar ranges))
- (setq last (cdar ranges))
- (while (<= first last)
- (setq result (cons first result))
- (setq first (1+ first))))
- (setq ranges (cdr ranges)))
- (nreverse result)))))
-
-(defun gnus-add-to-range (ranges list)
- "Return a list of ranges that has all articles from both RANGES and LIST.
-Note: LIST has to be sorted over `<'."
- (if (not ranges)
- (gnus-compress-sequence list t)
- (setq list (copy-sequence list))
- (or (listp (cdr ranges))
- (setq ranges (list ranges)))
- (let ((out ranges)
- ilist lowest highest temp)
- (while (and ranges list)
- (setq ilist list)
- (setq lowest (or (and (atom (car ranges)) (car ranges))
- (caar ranges)))
- (while (and list (cdr list) (< (cadr list) lowest))
- (setq list (cdr list)))
- (if (< (car ilist) lowest)
- (progn
- (setq temp list)
- (setq list (cdr list))
- (setcdr temp nil)
- (setq out (nconc (gnus-compress-sequence ilist t) out))))
- (setq highest (or (and (atom (car ranges)) (car ranges))
- (cdar ranges)))
- (while (and list (<= (car list) highest))
- (setq list (cdr list)))
- (setq ranges (cdr ranges)))
- (if list
- (setq out (nconc (gnus-compress-sequence list t) out)))
- (setq out (sort out (lambda (r1 r2)
- (< (or (and (atom r1) r1) (car r1))
- (or (and (atom r2) r2) (car r2))))))
- (setq ranges out)
- (while ranges
- (if (atom (car ranges))
- (if (cdr ranges)
- (if (atom (cadr ranges))
- (if (= (1+ (car ranges)) (cadr ranges))
- (progn
- (setcar ranges (cons (car ranges)
- (cadr ranges)))
- (setcdr ranges (cddr ranges))))
- (if (= (1+ (car ranges)) (caadr ranges))
- (progn
- (setcar (cadr ranges) (car ranges))
- (setcar ranges (cadr ranges))
- (setcdr ranges (cddr ranges))))))
- (if (cdr ranges)
- (if (atom (cadr ranges))
- (if (= (1+ (cdar ranges)) (cadr ranges))
- (progn
- (setcdr (car ranges) (cadr ranges))
- (setcdr ranges (cddr ranges))))
- (if (= (1+ (cdar ranges)) (caadr ranges))
- (progn
- (setcdr (car ranges) (cdadr ranges))
- (setcdr ranges (cddr ranges)))))))
- (setq ranges (cdr ranges)))
- out)))
-
-(defun gnus-remove-from-range (ranges list)
- "Return a list of ranges that has all articles from LIST removed from RANGES.
-Note: LIST has to be sorted over `<'."
- ;; !!! This function shouldn't look like this, but I've got a headache.
- (gnus-compress-sequence
- (gnus-sorted-complement
- (gnus-uncompress-range ranges) list)))
-
-(defun gnus-member-of-range (number ranges)
- (if (not (listp (cdr ranges)))
- (and (>= number (car ranges))
- (<= number (cdr ranges)))
- (let ((not-stop t))
- (while (and ranges
- (if (numberp (car ranges))
- (>= number (car ranges))
- (>= number (caar ranges)))
- not-stop)
- (if (if (numberp (car ranges))
- (= number (car ranges))
- (and (>= number (caar ranges))
- (<= number (cdar ranges))))
- (setq not-stop nil))
- (setq ranges (cdr ranges)))
- (not not-stop))))
-
-(defun gnus-range-length (range)
- "Return the length RANGE would have if uncompressed."
- (length (gnus-uncompress-range range)))
-
-(defun gnus-sublist-p (list sublist)
- "Test whether all elements in SUBLIST are members of LIST."
- (let ((sublistp t))
- (while sublist
- (unless (memq (pop sublist) list)
- (setq sublistp nil
- sublist nil)))
- sublistp))
-
-\f
-;;;
-;;; Gnus group mode
-;;;
-
-(defvar gnus-group-mode-map nil)
-(put 'gnus-group-mode 'mode-class 'special)
-
-(unless gnus-group-mode-map
- (setq gnus-group-mode-map (make-keymap))
- (suppress-keymap gnus-group-mode-map)
-
- (gnus-define-keys
- gnus-group-mode-map
- " " gnus-group-read-group
- "=" gnus-group-select-group
- "\M- " gnus-group-unhidden-select-group
- "\r" gnus-group-select-group
- "\M-\r" gnus-group-quick-select-group
- "j" gnus-group-jump-to-group
- "n" gnus-group-next-unread-group
- "p" gnus-group-prev-unread-group
- "\177" gnus-group-prev-unread-group
- [delete] gnus-group-prev-unread-group
- "N" gnus-group-next-group
- "P" gnus-group-prev-group
- "\M-n" gnus-group-next-unread-group-same-level
- "\M-p" gnus-group-prev-unread-group-same-level
- "," gnus-group-best-unread-group
- "." gnus-group-first-unread-group
- "u" gnus-group-unsubscribe-current-group
- "U" gnus-group-unsubscribe-group
- "c" gnus-group-catchup-current
- "C" gnus-group-catchup-current-all
- "l" gnus-group-list-groups
- "L" gnus-group-list-all-groups
- "m" gnus-group-mail
- "g" gnus-group-get-new-news
- "\M-g" gnus-group-get-new-news-this-group
- "R" gnus-group-restart
- "r" gnus-group-read-init-file
- "B" gnus-group-browse-foreign-server
- "b" gnus-group-check-bogus-groups
- "F" gnus-find-new-newsgroups
- "\C-c\C-d" gnus-group-describe-group
- "\M-d" gnus-group-describe-all-groups
- "\C-c\C-a" gnus-group-apropos
- "\C-c\M-\C-a" gnus-group-description-apropos
- "a" gnus-group-post-news
- "\ek" gnus-group-edit-local-kill
- "\eK" gnus-group-edit-global-kill
- "\C-k" gnus-group-kill-group
- "\C-y" gnus-group-yank-group
- "\C-w" gnus-group-kill-region
- "\C-x\C-t" gnus-group-transpose-groups
- "\C-c\C-l" gnus-group-list-killed
- "\C-c\C-x" gnus-group-expire-articles
- "\C-c\M-\C-x" gnus-group-expire-all-groups
- "V" gnus-version
- "s" gnus-group-save-newsrc
- "z" gnus-group-suspend
- "Z" gnus-group-clear-dribble
- "q" gnus-group-exit
- "Q" gnus-group-quit
- "?" gnus-group-describe-briefly
- "\C-c\C-i" gnus-info-find-node
- "\M-e" gnus-group-edit-group-method
- "^" gnus-group-enter-server-mode
- gnus-mouse-2 gnus-mouse-pick-group
- "<" beginning-of-buffer
- ">" end-of-buffer
- "\C-c\C-b" gnus-bug
- "\C-c\C-s" gnus-group-sort-groups
- "t" gnus-topic-mode
- "\C-c\M-g" gnus-activate-all-groups
- "\M-&" gnus-group-universal-argument
- "#" gnus-group-mark-group
- "\M-#" gnus-group-unmark-group)
-
- (gnus-define-keys
- (gnus-group-mark-map "M" gnus-group-mode-map)
- "m" gnus-group-mark-group
- "u" gnus-group-unmark-group
- "w" gnus-group-mark-region
- "m" gnus-group-mark-buffer
- "r" gnus-group-mark-regexp
- "U" gnus-group-unmark-all-groups)
-
- (gnus-define-keys
- (gnus-group-group-map "G" gnus-group-mode-map)
- "d" gnus-group-make-directory-group
- "h" gnus-group-make-help-group
- "a" gnus-group-make-archive-group
- "k" gnus-group-make-kiboze-group
- "m" gnus-group-make-group
- "E" gnus-group-edit-group
- "e" gnus-group-edit-group-method
- "p" gnus-group-edit-group-parameters
- "v" gnus-group-add-to-virtual
- "V" gnus-group-make-empty-virtual
- "D" gnus-group-enter-directory
- "f" gnus-group-make-doc-group
- "r" gnus-group-rename-group
- "\177" gnus-group-delete-group
- [delete] gnus-group-delete-group)
-
- (gnus-define-keys
- (gnus-group-soup-map "s" gnus-group-group-map)
- "b" gnus-group-brew-soup
- "w" gnus-soup-save-areas
- "s" gnus-soup-send-replies
- "p" gnus-soup-pack-packet
- "r" nnsoup-pack-replies)
-
- (gnus-define-keys
- (gnus-group-sort-map "S" gnus-group-group-map)
- "s" gnus-group-sort-groups
- "a" gnus-group-sort-groups-by-alphabet
- "u" gnus-group-sort-groups-by-unread
- "l" gnus-group-sort-groups-by-level
- "v" gnus-group-sort-groups-by-score
- "r" gnus-group-sort-groups-by-rank
- "m" gnus-group-sort-groups-by-method)
-
- (gnus-define-keys
- (gnus-group-list-map "A" gnus-group-mode-map)
- "k" gnus-group-list-killed
- "z" gnus-group-list-zombies
- "s" gnus-group-list-groups
- "u" gnus-group-list-all-groups
- "A" gnus-group-list-active
- "a" gnus-group-apropos
- "d" gnus-group-description-apropos
- "m" gnus-group-list-matching
- "M" gnus-group-list-all-matching
- "l" gnus-group-list-level)
-
- (gnus-define-keys
- (gnus-group-score-map "W" gnus-group-mode-map)
- "f" gnus-score-flush-cache)
-
- (gnus-define-keys
- (gnus-group-help-map "H" gnus-group-mode-map)
- "f" gnus-group-fetch-faq)
-
- (gnus-define-keys
- (gnus-group-sub-map "S" gnus-group-mode-map)
- "l" gnus-group-set-current-level
- "t" gnus-group-unsubscribe-current-group
- "s" gnus-group-unsubscribe-group
- "k" gnus-group-kill-group
- "y" gnus-group-yank-group
- "w" gnus-group-kill-region
- "\C-k" gnus-group-kill-level
- "z" gnus-group-kill-all-zombies))
-
-(defun gnus-group-mode ()
- "Major mode for reading news.
-
-All normal editing commands are switched off.
-\\<gnus-group-mode-map>
-The group buffer lists (some of) the groups available. For instance,
-`\\[gnus-group-list-groups]' will list all subscribed groups with unread articles, while `\\[gnus-group-list-zombies]'
-lists all zombie groups.
-
-Groups that are displayed can be entered with `\\[gnus-group-read-group]'. To subscribe
-to a group not displayed, type `\\[gnus-group-unsubscribe-group]'.
-
-For more in-depth information on this mode, read the manual (`\\[gnus-info-find-node]').
-
-The following commands are available:
-
-\\{gnus-group-mode-map}"
- (interactive)
- (when (and menu-bar-mode
- (gnus-visual-p 'group-menu 'menu))
- (gnus-group-make-menu-bar))
- (kill-all-local-variables)
- (gnus-simplify-mode-line)
- (setq major-mode 'gnus-group-mode)
- (setq mode-name "Group")
- (gnus-group-set-mode-line)
- (setq mode-line-process nil)
- (use-local-map gnus-group-mode-map)
- (buffer-disable-undo (current-buffer))
- (setq truncate-lines t)
- (setq buffer-read-only t)
- (run-hooks 'gnus-group-mode-hook))
-
-(defun gnus-mouse-pick-group (e)
- "Enter the group under the mouse pointer."
- (interactive "e")
- (mouse-set-point e)
- (gnus-group-read-group nil))
-
-;; Look at LEVEL and find out what the level is really supposed to be.
-;; If LEVEL is non-nil, LEVEL will be returned, if not, what happens
-;; will depend on whether `gnus-group-use-permanent-levels' is used.
-(defun gnus-group-default-level (&optional level number-or-nil)
- (cond
- (gnus-group-use-permanent-levels
- (setq gnus-group-default-list-level
- (or level gnus-group-default-list-level))
- (or gnus-group-default-list-level gnus-level-subscribed))
- (number-or-nil
- level)
- (t
- (or level gnus-group-default-list-level gnus-level-subscribed))))
-
-;;;###autoload
-(defun gnus-slave-no-server (&optional arg)
- "Read network news as a slave, without connecting to local server"
- (interactive "P")
- (gnus-no-server arg t))
-
-;;;###autoload
-(defun gnus-no-server (&optional arg slave)
- "Read network news.
-If ARG is a positive number, Gnus will use that as the
-startup level. If ARG is nil, Gnus will be started at level 2.
-If ARG is non-nil and not a positive number, Gnus will
-prompt the user for the name of an NNTP server to use.
-As opposed to `gnus', this command will not connect to the local server."
- (interactive "P")
- (make-local-variable 'gnus-group-use-permanent-levels)
- (setq gnus-group-use-permanent-levels t)
- (gnus (or arg (1- gnus-level-default-subscribed)) t slave))
-
-;;;###autoload
-(defun gnus-slave (&optional arg)
- "Read news as a slave."
- (interactive "P")
- (gnus arg nil 'slave))
-
-;;;###autoload
-(defun gnus-other-frame (&optional arg)
- "Pop up a frame to read news."
- (interactive "P")
- (if (get-buffer gnus-group-buffer)
- (let ((pop-up-frames t))
- (gnus arg))
- (select-frame (make-frame))
- (gnus arg)))
-
-;;;###autoload
-(defun gnus (&optional arg dont-connect slave)
- "Read network news.
-If ARG is non-nil and a positive number, Gnus will use that as the
-startup level. If ARG is non-nil and not a positive number, Gnus will
-prompt the user for the name of an NNTP server to use."
- (interactive "P")
-
- (if (get-buffer gnus-group-buffer)
- (progn
- (switch-to-buffer gnus-group-buffer)
- (gnus-group-get-new-news))
-
- (gnus-clear-system)
- (nnheader-init-server-buffer)
- (gnus-read-init-file)
- (setq gnus-slave slave)
-
- (gnus-group-setup-buffer)
- (let ((buffer-read-only nil))
- (erase-buffer)
- (if (not gnus-inhibit-startup-message)
- (progn
- (gnus-group-startup-message)
- (sit-for 0))))
-
- (let ((level (and (numberp arg) (> arg 0) arg))
- did-connect)
- (unwind-protect
- (progn
- (or dont-connect
- (setq did-connect
- (gnus-start-news-server (and arg (not level))))))
- (if (and (not dont-connect)
- (not did-connect))
- (gnus-group-quit)
- (run-hooks 'gnus-startup-hook)
- ;; NNTP server is successfully open.
-
- ;; Find the current startup file name.
- (setq gnus-current-startup-file
- (gnus-make-newsrc-file gnus-startup-file))
-
- ;; Read the dribble file.
- (and (or gnus-slave gnus-use-dribble-file) (gnus-dribble-read-file))
-
- ;; Allow using GroupLens predictions.
- (when gnus-use-grouplens
- (bbb-login)
- (add-hook 'gnus-summary-mode-hook 'gnus-grouplens-mode))
-
- (gnus-summary-make-display-table)
- ;; Do the actual startup.
- (gnus-setup-news nil level)
- ;; Generate the group buffer.
- (gnus-group-list-groups level)
- (gnus-group-first-unread-group)
- (gnus-configure-windows 'group)
- (gnus-group-set-mode-line))))))
-
-(defun gnus-unload ()
- "Unload all Gnus features."
- (interactive)
- (or (boundp 'load-history)
- (error "Sorry, `gnus-unload' is not implemented in this Emacs version."))
- (let ((history load-history)
- feature)
- (while history
- (and (string-match "^\\(gnus\\|nn\\)" (caar history))
- (setq feature (cdr (assq 'provide (car history))))
- (unload-feature feature 'force))
- (setq history (cdr history)))))
-
-(defun gnus-compile ()
- "Byte-compile the user-defined format specs."
- (interactive)
- (let ((entries gnus-format-specs)
- entry gnus-tmp-func)
- (save-excursion
- (gnus-message 7 "Compiling format specs...")
-
- (while entries
- (setq entry (pop entries))
- (if (eq (car entry) 'version)
- (setq gnus-format-specs (delq entry gnus-format-specs))
- (when (and (listp (caddr entry))
- (not (eq 'byte-code (caaddr entry))))
- (fset 'gnus-tmp-func
- `(lambda () ,(caddr entry)))
- (byte-compile 'gnus-tmp-func)
- (setcar (cddr entry) (gnus-byte-code 'gnus-tmp-func)))))
-
- (push (cons 'version emacs-version) gnus-format-specs)
-
- (gnus-message 7 "Compiling user specs...done"))))
-
-(defun gnus-indent-rigidly (start end arg)
- "Indent rigidly using only spaces and no tabs."
- (save-excursion
- (save-restriction
- (narrow-to-region start end)
- (indent-rigidly start end arg)
- (goto-char (point-min))
- (while (search-forward "\t" nil t)
- (replace-match " " t t)))))
-
-(defun gnus-group-startup-message (&optional x y)
- "Insert startup message in current buffer."
- ;; Insert the message.
- (erase-buffer)
- (insert
- (format " %s
- _ ___ _ _
- _ ___ __ ___ __ _ ___
- __ _ ___ __ ___
- _ ___ _
- _ _ __ _
- ___ __ _
- __ _
- _ _ _
- _ _ _
- _ _ _
- __ ___
- _ _ _ _
- _ _
- _ _
- _ _
- _
- __
-
-"
- ""))
- ;; And then hack it.
- (gnus-indent-rigidly (point-min) (point-max)
- (/ (max (- (window-width) (or x 46)) 0) 2))
- (goto-char (point-min))
- (forward-line 1)
- (let* ((pheight (count-lines (point-min) (point-max)))
- (wheight (window-height))
- (rest (- wheight pheight)))
- (insert (make-string (max 0 (* 2 (/ rest 3))) ?\n)))
- ;; Fontify some.
- (goto-char (point-min))
- (and (search-forward "Praxis" nil t)
- (put-text-property (match-beginning 0) (match-end 0) 'face 'bold))
- (goto-char (point-min))
- (let* ((mode-string (gnus-group-set-mode-line)))
- (setq mode-line-buffer-identification
- (list (concat gnus-version (substring (car mode-string) 4))))
- (set-buffer-modified-p t)))
-
-(defun gnus-group-setup-buffer ()
- (or (get-buffer gnus-group-buffer)
- (progn
- (switch-to-buffer gnus-group-buffer)
- (gnus-add-current-to-buffer-list)
- (gnus-group-mode)
- (and gnus-carpal (gnus-carpal-setup-buffer 'group)))))
-
-(defun gnus-group-list-groups (&optional level unread lowest)
- "List newsgroups with level LEVEL or lower that have unread articles.
-Default is all subscribed groups.
-If argument UNREAD is non-nil, groups with no unread articles are also
-listed."
- (interactive (list (if current-prefix-arg
- (prefix-numeric-value current-prefix-arg)
- (or
- (gnus-group-default-level nil t)
- gnus-group-default-list-level
- gnus-level-subscribed))))
- (or level
- (setq level (car gnus-group-list-mode)
- unread (cdr gnus-group-list-mode)))
- (setq level (gnus-group-default-level level))
- (gnus-group-setup-buffer) ;May call from out of group buffer
- (gnus-update-format-specifications)
- (let ((case-fold-search nil)
- (props (text-properties-at (gnus-point-at-bol)))
- (group (gnus-group-group-name)))
- (funcall gnus-group-prepare-function level unread lowest)
- (if (zerop (buffer-size))
- (gnus-message 5 gnus-no-groups-message)
- (goto-char (point-max))
- (when (or (not gnus-group-goto-next-group-function)
- (not (funcall gnus-group-goto-next-group-function
- group props)))
- (if (not group)
- ;; Go to the first group with unread articles.
- (gnus-group-search-forward t)
- ;; Find the right group to put point on. If the current group
- ;; has disappeared in the new listing, try to find the next
- ;; one. If no next one can be found, just leave point at the
- ;; first newsgroup in the buffer.
- (if (not (gnus-goto-char
- (text-property-any
- (point-min) (point-max)
- 'gnus-group (gnus-intern-safe group gnus-active-hashtb))))
- (let ((newsrc (cdddr (gnus-gethash group gnus-newsrc-hashtb))))
- (while (and newsrc
- (not (gnus-goto-char
- (text-property-any
- (point-min) (point-max) 'gnus-group
- (gnus-intern-safe
- (caar newsrc) gnus-active-hashtb)))))
- (setq newsrc (cdr newsrc)))
- (or newsrc (progn (goto-char (point-max))
- (forward-line -1)))))))
- ;; Adjust cursor point.
- (gnus-group-position-point))))
-
-(defun gnus-group-list-level (level &optional all)
- "List groups on LEVEL.
-If ALL (the prefix), also list groups that have no unread articles."
- (interactive "nList groups on level: \nP")
- (gnus-group-list-groups level all level))
-
-(defun gnus-group-prepare-flat (level &optional all lowest regexp)
- "List all newsgroups with unread articles of level LEVEL or lower.
-If ALL is non-nil, list groups that have no unread articles.
-If LOWEST is non-nil, list all newsgroups of level LOWEST or higher.
-If REGEXP, only list groups matching REGEXP."
- (set-buffer gnus-group-buffer)
- (let ((buffer-read-only nil)
- (newsrc (cdr gnus-newsrc-alist))
- (lowest (or lowest 1))
- info clevel unread group params)
- (erase-buffer)
- (if (< lowest gnus-level-zombie)
- ;; List living groups.
- (while newsrc
- (setq info (car newsrc)
- group (gnus-info-group info)
- params (gnus-info-params info)
- newsrc (cdr newsrc)
- unread (car (gnus-gethash group gnus-newsrc-hashtb)))
- (and unread ; This group might be bogus
- (or (not regexp)
- (string-match regexp group))
- (<= (setq clevel (gnus-info-level info)) level)
- (>= clevel lowest)
- (or all ; We list all groups?
- (and gnus-group-list-inactive-groups
- (eq unread t)) ; We list unactivated groups
- (> unread 0) ; We list groups with unread articles
- (and gnus-list-groups-with-ticked-articles
- (cdr (assq 'tick (gnus-info-marks info))))
- ; And groups with tickeds
- ;; Check for permanent visibility.
- (and gnus-permanently-visible-groups
- (string-match gnus-permanently-visible-groups
- group))
- (memq 'visible params)
- (cdr (assq 'visible params)))
- (gnus-group-insert-group-line
- group (gnus-info-level info)
- (gnus-info-marks info) unread (gnus-info-method info)))))
-
- ;; List dead groups.
- (and (>= level gnus-level-zombie) (<= lowest gnus-level-zombie)
- (gnus-group-prepare-flat-list-dead
- (setq gnus-zombie-list (sort gnus-zombie-list 'string<))
- gnus-level-zombie ?Z
- regexp))
- (and (>= level gnus-level-killed) (<= lowest gnus-level-killed)
- (gnus-group-prepare-flat-list-dead
- (setq gnus-killed-list (sort gnus-killed-list 'string<))
- gnus-level-killed ?K regexp))
-
- (gnus-group-set-mode-line)
- (setq gnus-group-list-mode (cons level all))
- (run-hooks 'gnus-group-prepare-hook)))
-
-(defun gnus-group-prepare-flat-list-dead (groups level mark regexp)
- ;; List zombies and killed lists somewhat faster, which was
- ;; suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>. It does
- ;; this by ignoring the group format specification altogether.
- (let (group beg)
- (if regexp
- ;; This loop is used when listing groups that match some
- ;; regexp.
- (while groups
- (setq group (pop groups))
- (when (string-match regexp group)
- (add-text-properties
- (point) (prog1 (1+ (point))
- (insert " " mark " *: " group "\n"))
- (list 'gnus-group (gnus-intern-safe group gnus-active-hashtb)
- 'gnus-unread t
- 'gnus-level level))))
- ;; This loop is used when listing all groups.
- (while groups
- (add-text-properties
- (point) (prog1 (1+ (point))
- (insert " " mark " *: "
- (setq group (pop groups)) "\n"))
- (list 'gnus-group (gnus-intern-safe group gnus-active-hashtb)
- 'gnus-unread t
- 'gnus-level level))))))
-
-(defmacro gnus-group-real-name (group)
- "Find the real name of a foreign newsgroup."
- `(let ((gname ,group))
- (if (string-match ":[^:]+$" gname)
- (substring gname (1+ (match-beginning 0)))
- gname)))
-
-(defsubst gnus-server-add-address (method)
- (let ((method-name (symbol-name (car method))))
- (if (and (memq 'address (assoc method-name gnus-valid-select-methods))
- (not (assq (intern (concat method-name "-address")) method)))
- (append method (list (list (intern (concat method-name "-address"))
- (nth 1 method))))
- method)))
-
-(defsubst gnus-server-get-method (group method)
- ;; Input either a server name, and extended server name, or a
- ;; select method, and return a select method.
- (cond ((stringp method)
- (gnus-server-to-method method))
- ((and (stringp (car method)) group)
- (gnus-server-extend-method group method))
- (t
- (gnus-server-add-address method))))
-
-(defun gnus-server-to-method (server)
- "Map virtual server names to select methods."
- (or
- ;; Perhaps this is the native server?
- (and (equal server "native") gnus-select-method)
- ;; It should be in the server alist.
- (cdr (assoc server gnus-server-alist))
- ;; If not, we look through all the opened server
- ;; to see whether we can find it there.
- (let ((opened gnus-opened-servers))
- (while (and opened
- (not (equal server (format "%s:%s" (caaar opened)
- (cadaar opened)))))
- (pop opened))
- (caar opened))))
-
-(defmacro gnus-server-equal (ss1 ss2)
- "Say whether two servers are equal."
- `(let ((s1 ,ss1)
- (s2 ,ss2))
- (or (equal s1 s2)
- (and (= (length s1) (length s2))
- (progn
- (while (and s1 (member (car s1) s2))
- (setq s1 (cdr s1)))
- (null s1))))))
-
-(defun gnus-group-prefixed-name (group method)
- "Return the whole name from GROUP and METHOD."
- (and (stringp method) (setq method (gnus-server-to-method method)))
- (concat (format "%s" (car method))
- (if (and
- (or (assoc (format "%s" (car method))
- (gnus-methods-using 'address))
- (equal method gnus-message-archive-method))
- (not (string= (nth 1 method) "")))
- (concat "+" (nth 1 method)))
- ":" group))
-
-(defun gnus-group-real-prefix (group)
- "Return the prefix of the current group name."
- (if (string-match "^[^:]+:" group)
- (substring group 0 (match-end 0))
- ""))
-
-(defun gnus-group-method (group)
- "Return the server or method used for selecting GROUP."
- (let ((prefix (gnus-group-real-prefix group)))
- (if (equal prefix "")
- gnus-select-method
- (let ((servers gnus-opened-servers)
- (server "")
- backend possible found)
- (if (string-match "^[^\\+]+\\+" prefix)
- (setq backend (intern (substring prefix 0 (1- (match-end 0))))
- server (substring prefix (match-end 0) (1- (length prefix))))
- (setq backend (intern (substring prefix 0 (1- (length prefix))))))
- (while servers
- (when (eq (caaar servers) backend)
- (setq possible (caar servers))
- (when (equal (cadaar servers) server)
- (setq found (caar servers))))
- (pop servers))
- (or (car (rassoc found gnus-server-alist))
- found
- (car (rassoc possible gnus-server-alist))
- possible
- (list backend server))))))
-
-(defsubst gnus-secondary-method-p (method)
- "Return whether METHOD is a secondary select method."
- (let ((methods gnus-secondary-select-methods)
- (gmethod (gnus-server-get-method nil method)))
- (while (and methods
- (not (equal (gnus-server-get-method nil (car methods))
- gmethod)))
- (setq methods (cdr methods)))
- methods))
-
-(defun gnus-group-foreign-p (group)
- "Say whether a group is foreign or not."
- (and (not (gnus-group-native-p group))
- (not (gnus-group-secondary-p group))))
-
-(defun gnus-group-native-p (group)
- "Say whether the group is native or not."
- (not (string-match ":" group)))
-
-(defun gnus-group-secondary-p (group)
- "Say whether the group is secondary or not."
- (gnus-secondary-method-p (gnus-find-method-for-group group)))
-
-(defun gnus-group-get-parameter (group &optional symbol)
- "Returns the group parameters for GROUP.
-If SYMBOL, return the value of that symbol in the group parameters."
- (let ((params (gnus-info-params (gnus-get-info group))))
- (if symbol
- (gnus-group-parameter-value params symbol)
- params)))
-
-(defun gnus-group-parameter-value (params symbol)
- "Return the value of SYMBOL in group PARAMS."
- (or (car (memq symbol params)) ; It's either a simple symbol
- (cdr (assq symbol params)))) ; or a cons.
-
-(defun gnus-group-add-parameter (group param)
- "Add parameter PARAM to GROUP."
- (let ((info (gnus-get-info group)))
- (if (not info)
- () ; This is a dead group. We just ignore it.
- ;; Cons the new param to the old one and update.
- (gnus-group-set-info (cons param (gnus-info-params info))
- group 'params))))
-
-(defun gnus-group-set-parameter (group name value)
- "Set parameter NAME to VALUE in GROUP."
- (let ((info (gnus-get-info group)))
- (if (not info)
- () ; This is a dead group. We just ignore it.
- (let ((old-params (gnus-info-params info))
- (new-params (list (cons name value))))
- (while old-params
- (if (or (not (listp (car old-params)))
- (not (eq (caar old-params) name)))
- (setq new-params (append new-params (list (car old-params)))))
- (setq old-params (cdr old-params)))
- (gnus-group-set-info new-params group 'params)))))
-
-(defun gnus-group-add-score (group &optional score)
- "Add SCORE to the GROUP score.
-If SCORE is nil, add 1 to the score of GROUP."
- (let ((info (gnus-get-info group)))
- (gnus-info-set-score info (+ (gnus-info-score info) (or score 1)))))
-
-(defun gnus-summary-bubble-group ()
- "Increase the score of the current group.
-This is a handy function to add to `gnus-summary-exit-hook' to
-increase the score of each group you read."
- (gnus-group-add-score gnus-newsgroup-name))
-
-(defun gnus-group-set-info (info &optional method-only-group part)
- (let* ((entry (gnus-gethash
- (or method-only-group (gnus-info-group info))
- gnus-newsrc-hashtb))
- (part-info info)
- (info (if method-only-group (nth 2 entry) info)))
- (when method-only-group
- (unless entry
- (error "Trying to change non-existent group %s" method-only-group))
- ;; We have received parts of the actual group info - either the
- ;; select method or the group parameters. We first check
- ;; whether we have to extend the info, and if so, do that.
- (let ((len (length info))
- (total (if (eq part 'method) 5 6)))
- (when (< len total)
- (setcdr (nthcdr (1- len) info)
- (make-list (- total len) nil)))
- ;; Then we enter the new info.
- (setcar (nthcdr (1- total) info) part-info)))
- (unless entry
- ;; This is a new group, so we just create it.
- (save-excursion
- (set-buffer gnus-group-buffer)
- (if (gnus-info-method info)
- ;; It's a foreign group...
- (gnus-group-make-group
- (gnus-group-real-name (gnus-info-group info))
- (prin1-to-string (car (gnus-info-method info)))
- (nth 1 (gnus-info-method info)))
- ;; It's a native group.
- (gnus-group-make-group (gnus-info-group info)))
- (gnus-message 6 "Note: New group created")
- (setq entry
- (gnus-gethash (gnus-group-prefixed-name
- (gnus-group-real-name (gnus-info-group info))
- (or (gnus-info-method info) gnus-select-method))
- gnus-newsrc-hashtb))))
- ;; Whether it was a new group or not, we now have the entry, so we
- ;; can do the update.
- (if entry
- (progn
- (setcar (nthcdr 2 entry) info)
- (when (and (not (eq (car entry) t))
- (gnus-active (gnus-info-group info)))
- (let ((marked (gnus-info-marks info)))
- (setcar entry (length (gnus-list-of-unread-articles
- (car info)))))))
- (error "No such group: %s" (gnus-info-group info)))))
-
-(defun gnus-group-set-method-info (group select-method)
- (gnus-group-set-info select-method group 'method))
-
-(defun gnus-group-set-params-info (group params)
- (gnus-group-set-info params group 'params))
-
-(defun gnus-group-update-group-line ()
- "Update the current line in the group buffer."
- (let* ((buffer-read-only nil)
- (group (gnus-group-group-name))
- (gnus-group-indentation (gnus-group-group-indentation))
- (entry (and group (gnus-gethash group gnus-newsrc-hashtb))))
- (and entry
- (not (gnus-ephemeral-group-p group))
- (gnus-dribble-enter
- (concat "(gnus-group-set-info '"
- (prin1-to-string (nth 2 entry)) ")")))
- (gnus-delete-line)
- (gnus-group-insert-group-line-info group)
- (forward-line -1)
- (gnus-group-position-point)))
-
-(defun gnus-group-insert-group-line-info (group)
- "Insert GROUP on the current line."
- (let ((entry (gnus-gethash group gnus-newsrc-hashtb))
- active info)
- (if entry
- (progn
- ;; (Un)subscribed group.
- (setq info (nth 2 entry))
- (gnus-group-insert-group-line
- group (gnus-info-level info) (gnus-info-marks info)
- (or (car entry) t) (gnus-info-method info)))
- ;; This group is dead.
- (gnus-group-insert-group-line
- group
- (if (member group gnus-zombie-list) gnus-level-zombie gnus-level-killed)
- nil
- (if (setq active (gnus-active group))
- (- (1+ (cdr active)) (car active)) 0)
- nil))))
-
-(defun gnus-group-insert-group-line
- (gnus-tmp-group gnus-tmp-level gnus-tmp-marked number
- gnus-tmp-method)
- "Insert a group line in the group buffer."
- (let* ((gnus-tmp-active (gnus-active gnus-tmp-group))
- (gnus-tmp-number-total
- (if gnus-tmp-active
- (1+ (- (cdr gnus-tmp-active) (car gnus-tmp-active)))
- 0))
- (gnus-tmp-number-of-unread
- (if (numberp number) (int-to-string (max 0 number))
- "*"))
- (gnus-tmp-number-of-read
- (if (numberp number)
- (int-to-string (max 0 (- gnus-tmp-number-total number)))
- "*"))
- (gnus-tmp-subscribed
- (cond ((<= gnus-tmp-level gnus-level-subscribed) ? )
- ((<= gnus-tmp-level gnus-level-unsubscribed) ?U)
- ((= gnus-tmp-level gnus-level-zombie) ?Z)
- (t ?K)))
- (gnus-tmp-qualified-group (gnus-group-real-name gnus-tmp-group))
- (gnus-tmp-newsgroup-description
- (if gnus-description-hashtb
- (or (gnus-gethash gnus-tmp-group gnus-description-hashtb) "")
- ""))
- (gnus-tmp-moderated
- (if (member gnus-tmp-group gnus-moderated-list) ?m ? ))
- (gnus-tmp-moderated-string
- (if (eq gnus-tmp-moderated ?m) "(m)" ""))
- (gnus-tmp-method
- (gnus-server-get-method gnus-tmp-group gnus-tmp-method))
- (gnus-tmp-news-server (or (cadr gnus-tmp-method) ""))
- (gnus-tmp-news-method (or (car gnus-tmp-method) ""))
- (gnus-tmp-news-method-string
- (if gnus-tmp-method
- (format "(%s:%s)" (car gnus-tmp-method)
- (cadr gnus-tmp-method)) ""))
- (gnus-tmp-marked-mark
- (if (and (numberp number)
- (zerop number)
- (cdr (assq 'tick gnus-tmp-marked)))
- ?* ? ))
- (gnus-tmp-process-marked
- (if (member gnus-tmp-group gnus-group-marked)
- gnus-process-mark ? ))
- (gnus-tmp-grouplens
- (or (and gnus-use-grouplens
- (bbb-grouplens-group-p gnus-tmp-group))
- ""))
- (buffer-read-only nil)
- header gnus-tmp-header) ; passed as parameter to user-funcs.
- (beginning-of-line)
- (add-text-properties
- (point)
- (prog1 (1+ (point))
- ;; Insert the text.
- (eval gnus-group-line-format-spec))
- `(gnus-group ,(gnus-intern-safe gnus-tmp-group gnus-active-hashtb)
- gnus-unread ,(if (numberp number)
- (string-to-int gnus-tmp-number-of-unread)
- t)
- gnus-marked ,gnus-tmp-marked-mark
- gnus-indentation ,gnus-group-indentation
- gnus-level ,gnus-tmp-level))
- (when (gnus-visual-p 'group-highlight 'highlight)
- (forward-line -1)
- (run-hooks 'gnus-group-update-hook)
- (forward-line))
- ;; Allow XEmacs to remove front-sticky text properties.
- (gnus-group-remove-excess-properties)))
-
-(defun gnus-group-update-group (group &optional visible-only)
- "Update all lines where GROUP appear.
-If VISIBLE-ONLY is non-nil, the group won't be displayed if it isn't
-already."
- (save-excursion
- (set-buffer gnus-group-buffer)
- ;; The buffer may be narrowed.
- (save-restriction
- (widen)
- (let ((ident (gnus-intern-safe group gnus-active-hashtb))
- (loc (point-min))
- found buffer-read-only visible)
- ;; Enter the current status into the dribble buffer.
- (let ((entry (gnus-gethash group gnus-newsrc-hashtb)))
- (if (and entry (not (gnus-ephemeral-group-p group)))
- (gnus-dribble-enter
- (concat "(gnus-group-set-info '" (prin1-to-string (nth 2 entry))
- ")"))))
- ;; Find all group instances. If topics are in use, each group
- ;; may be listed in more than once.
- (while (setq loc (text-property-any
- loc (point-max) 'gnus-group ident))
- (setq found t)
- (goto-char loc)
- (let ((gnus-group-indentation (gnus-group-group-indentation)))
- (gnus-delete-line)
- (gnus-group-insert-group-line-info group))
- (setq loc (1+ loc)))
- (unless (or found visible-only)
- ;; No such line in the buffer, find out where it's supposed to
- ;; go, and insert it there (or at the end of the buffer).
- (if gnus-goto-missing-group-function
- (funcall gnus-goto-missing-group-function group)
- (let ((entry (cddr (gnus-gethash group gnus-newsrc-hashtb))))
- (while (and entry (car entry)
- (not
- (gnus-goto-char
- (text-property-any
- (point-min) (point-max)
- 'gnus-group (gnus-intern-safe
- (caar entry) gnus-active-hashtb)))))
- (setq entry (cdr entry)))
- (or entry (goto-char (point-max)))))
- ;; Finally insert the line.
- (let ((gnus-group-indentation (gnus-group-group-indentation)))
- (gnus-group-insert-group-line-info group)))
- (gnus-group-set-mode-line)))))
-
-(defun gnus-group-set-mode-line ()
- (when (memq 'group gnus-updated-mode-lines)
- (let* ((gformat (or gnus-group-mode-line-format-spec
- (setq gnus-group-mode-line-format-spec
- (gnus-parse-format
- gnus-group-mode-line-format
- gnus-group-mode-line-format-alist))))
- (gnus-tmp-news-server (car (cdr gnus-select-method)))
- (gnus-tmp-news-method (car gnus-select-method))
- (max-len 60)
- gnus-tmp-header ;Dummy binding for user-defined formats
- ;; Get the resulting string.
- (mode-string (eval gformat)))
- ;; If the line is too long, we chop it off.
- (when (> (length mode-string) max-len)
- (setq mode-string (substring mode-string 0 (- max-len 4))))
- (prog1
- (setq mode-line-buffer-identification (list mode-string))
- (set-buffer-modified-p t)))))
-
-(defun gnus-group-group-name ()
- "Get the name of the newsgroup on the current line."
- (let ((group (get-text-property (gnus-point-at-bol) 'gnus-group)))
- (and group (symbol-name group))))
-
-(defun gnus-group-group-level ()
- "Get the level of the newsgroup on the current line."
- (get-text-property (gnus-point-at-bol) 'gnus-level))
-
-(defun gnus-group-group-indentation ()
- "Get the indentation of the newsgroup on the current line."
- (or (get-text-property (gnus-point-at-bol) 'gnus-indentation) ""))
-
-(defun gnus-group-group-unread ()
- "Get the number of unread articles of the newsgroup on the current line."
- (get-text-property (gnus-point-at-bol) 'gnus-unread))
-
-(defun gnus-group-search-forward (&optional backward all level first-too)
- "Find the next newsgroup with unread articles.
-If BACKWARD is non-nil, find the previous newsgroup instead.
-If ALL is non-nil, just find any newsgroup.
-If LEVEL is non-nil, find group with level LEVEL, or higher if no such
-group exists.
-If FIRST-TOO, the current line is also eligible as a target."
- (let ((way (if backward -1 1))
- (low gnus-level-killed)
- (beg (point))
- pos found lev)
- (if (and backward (progn (beginning-of-line)) (bobp))
- nil
- (or first-too (forward-line way))
- (while (and
- (not (eobp))
- (not (setq
- found
- (and (or all
- (and
- (let ((unread
- (get-text-property (point) 'gnus-unread)))
- (and (numberp unread) (> unread 0)))
- (setq lev (get-text-property (point)
- 'gnus-level))
- (<= lev gnus-level-subscribed)))
- (or (not level)
- (and (setq lev (get-text-property (point)
- 'gnus-level))
- (or (= lev level)
- (and (< lev low)
- (< level lev)
- (progn
- (setq low lev)
- (setq pos (point))
- nil))))))))
- (zerop (forward-line way)))))
- (if found
- (progn (gnus-group-position-point) t)
- (goto-char (or pos beg))
- (and pos t))))
-
-;;; Gnus group mode commands
-
-;; Group marking.
-
-(defun gnus-group-mark-group (n &optional unmark no-advance)
- "Mark the current group."
- (interactive "p")
- (let ((buffer-read-only nil)
- group)
- (while
- (and (> n 0)
- (setq group (gnus-group-group-name))
- (progn
- (beginning-of-line)
- (forward-char
- (or (cdr (assq 'process gnus-group-mark-positions)) 2))
- (delete-char 1)
- (if unmark
- (progn
- (insert " ")
- (setq gnus-group-marked (delete group gnus-group-marked)))
- (insert "#")
- (setq gnus-group-marked
- (cons group (delete group gnus-group-marked))))
- t)
- (or no-advance (zerop (gnus-group-next-group 1))))
- (setq n (1- n)))
- (gnus-summary-position-point)
- n))
-
-(defun gnus-group-unmark-group (n)
- "Remove the mark from the current group."
- (interactive "p")
- (gnus-group-mark-group n 'unmark)
- (gnus-group-position-point))
-
-(defun gnus-group-unmark-all-groups ()
- "Unmark all groups."
- (let ((groups gnus-group-marked))
- (save-excursion
- (while groups
- (gnus-group-remove-mark (pop groups)))))
- (gnus-group-position-point))
-
-(defun gnus-group-mark-region (unmark beg end)
- "Mark all groups between point and mark.
-If UNMARK, remove the mark instead."
- (interactive "P\nr")
- (let ((num (count-lines beg end)))
- (save-excursion
- (goto-char beg)
- (- num (gnus-group-mark-group num unmark)))))
-
-(defun gnus-group-mark-buffer (&optional unmark)
- "Mark all groups in the buffer.
-If UNMARK, remove the mark instead."
- (interactive "P")
- (gnus-group-mark-region unmark (point-min) (point-max)))
-
-(defun gnus-group-mark-regexp (regexp)
- "Mark all groups that match some regexp."
- (interactive "sMark (regexp): ")
- (let ((alist (cdr gnus-newsrc-alist))
- group)
- (while alist
- (when (string-match regexp (setq group (gnus-info-group (pop alist))))
- (gnus-group-set-mark group))))
- (gnus-group-position-point))
-
-(defun gnus-group-remove-mark (group)
- "Remove the process mark from GROUP and move point there.
-Return nil if the group isn't displayed."
- (if (gnus-group-goto-group group)
- (save-excursion
- (gnus-group-mark-group 1 'unmark t)
- t)
- (setq gnus-group-marked
- (delete group gnus-group-marked))
- nil))
-
-(defun gnus-group-set-mark (group)
- "Set the process mark on GROUP."
- (if (gnus-group-goto-group group)
- (save-excursion
- (gnus-group-mark-group 1 nil t))
- (setq gnus-group-marked
- (cons group (delete group gnus-group-marked)))))
-
-(defun gnus-group-universal-argument (arg &optional groups func)
- "Perform any command on all groups accoring to the process/prefix convention."
- (interactive "P")
- (let ((groups (or groups (gnus-group-process-prefix arg)))
- group func)
- (if (eq (setq func (or func
- (key-binding
- (read-key-sequence
- (substitute-command-keys
- "\\<gnus-group-mode-map>\\[gnus-group-universal-argument]")))))
- 'undefined)
- (progn
- (message "Undefined key")
- (ding))
- (while groups
- (gnus-group-remove-mark (setq group (pop groups)))
- (command-execute func))))
- (gnus-group-position-point))
-
-(defun gnus-group-process-prefix (n)
- "Return a list of groups to work on.
-Take into consideration N (the prefix) and the list of marked groups."
- (cond
- (n
- (setq n (prefix-numeric-value n))
- ;; There is a prefix, so we return a list of the N next
- ;; groups.
- (let ((way (if (< n 0) -1 1))
- (n (abs n))
- group groups)
- (save-excursion
- (while (and (> n 0)
- (setq group (gnus-group-group-name)))
- (setq groups (cons group groups))
- (setq n (1- n))
- (gnus-group-next-group way)))
- (nreverse groups)))
- ((and (boundp 'transient-mark-mode)
- transient-mark-mode
- mark-active)
- ;; Work on the region between point and mark.
- (let ((max (max (point) (mark)))
- groups)
- (save-excursion
- (goto-char (min (point) (mark)))
- (while
- (and
- (push (gnus-group-group-name) groups)
- (zerop (gnus-group-next-group 1))
- (< (point) max)))
- (nreverse groups))))
- (gnus-group-marked
- ;; No prefix, but a list of marked articles.
- (reverse gnus-group-marked))
- (t
- ;; Neither marked articles or a prefix, so we return the
- ;; current group.
- (let ((group (gnus-group-group-name)))
- (and group (list group))))))
-
-;; Selecting groups.
-
-(defun gnus-group-read-group (&optional all no-article group)
- "Read news in this newsgroup.
-If the prefix argument ALL is non-nil, already read articles become
-readable. IF ALL is a number, fetch this number of articles. If the
-optional argument NO-ARTICLE is non-nil, no article will be
-auto-selected upon group entry. If GROUP is non-nil, fetch that
-group."
- (interactive "P")
- (let ((group (or group (gnus-group-group-name)))
- number active marked entry)
- (or group (error "No group on current line"))
- (setq marked (nth 3 (nth 2 (setq entry (gnus-gethash
- group gnus-newsrc-hashtb)))))
- ;; This group might be a dead group. In that case we have to get
- ;; the number of unread articles from `gnus-active-hashtb'.
- (setq number
- (cond ((numberp all) all)
- (entry (car entry))
- ((setq active (gnus-active group))
- (- (1+ (cdr active)) (car active)))))
- (gnus-summary-read-group
- group (or all (and (numberp number)
- (zerop (+ number (length (cdr (assq 'tick marked)))
- (length (cdr (assq 'dormant marked)))))))
- no-article)))
-
-(defun gnus-group-select-group (&optional all)
- "Select this newsgroup.
-No article is selected automatically.
-If ALL is non-nil, already read articles become readable.
-If ALL is a number, fetch this number of articles."
- (interactive "P")
- (gnus-group-read-group all t))
-
-(defun gnus-group-quick-select-group (&optional all)
- "Select the current group \"quickly\".
-This means that no highlighting or scoring will be performed."
- (interactive "P")
- (let (gnus-visual
- gnus-score-find-score-files-function
- gnus-apply-kill-hook
- gnus-summary-expunge-below)
- (gnus-group-read-group all t)))
-
-(defun gnus-group-visible-select-group (&optional all)
- "Select the current group without hiding any articles."
- (interactive "P")
- (let ((gnus-inhibit-limiting t))
- (gnus-group-read-group all t)))
-
-;;;###autoload
-(defun gnus-fetch-group (group)
- "Start Gnus if necessary and enter GROUP.
-Returns whether the fetching was successful or not."
- (interactive "sGroup name: ")
- (or (get-buffer gnus-group-buffer)
- (gnus))
- (gnus-group-select-group))
-
-;; Enter a group that is not in the group buffer. Non-nil is returned
-;; if selection was successful.
-(defun gnus-group-read-ephemeral-group
- (group method &optional activate quit-config)
- (let ((group (if (gnus-group-foreign-p group) group
- (gnus-group-prefixed-name group method))))
- (gnus-sethash
- group
- `(t nil (,group ,gnus-level-default-subscribed nil nil ,method
- ((quit-config . ,(if quit-config quit-config
- (cons (current-buffer) 'summary))))))
- gnus-newsrc-hashtb)
- (set-buffer gnus-group-buffer)
- (or (gnus-check-server method)
- (error "Unable to contact server: %s" (gnus-status-message method)))
- (if activate (or (gnus-request-group group)
- (error "Couldn't request group")))
- (condition-case ()
- (gnus-group-read-group t t group)
- (error nil)
- (quit nil))))
-
-(defun gnus-group-jump-to-group (group)
- "Jump to newsgroup GROUP."
- (interactive
- (list (completing-read
- "Group: " gnus-active-hashtb nil
- (memq gnus-select-method gnus-have-read-active-file))))
-
- (if (equal group "")
- (error "Empty group name"))
-
- (let ((b (text-property-any
- (point-min) (point-max)
- 'gnus-group (gnus-intern-safe group gnus-active-hashtb))))
- (unless (gnus-ephemeral-group-p group)
- (if b
- ;; Either go to the line in the group buffer...
- (goto-char b)
- ;; ... or insert the line.
- (or
- (gnus-active group)
- (gnus-activate-group group)
- (error "%s error: %s" group (gnus-status-message group)))
-
- (gnus-group-update-group group)
- (goto-char (text-property-any
- (point-min) (point-max)
- 'gnus-group (gnus-intern-safe group gnus-active-hashtb)))))
- ;; Adjust cursor point.
- (gnus-group-position-point)))
-
-(defun gnus-group-goto-group (group)
- "Goto to newsgroup GROUP."
- (when group
- (let ((b (text-property-any (point-min) (point-max)
- 'gnus-group (gnus-intern-safe
- group gnus-active-hashtb))))
- (and b (goto-char b)))))
-
-(defun gnus-group-next-group (n)
- "Go to next N'th newsgroup.
-If N is negative, search backward instead.
-Returns the difference between N and the number of skips actually
-done."
- (interactive "p")
- (gnus-group-next-unread-group n t))
-
-(defun gnus-group-next-unread-group (n &optional all level)
- "Go to next N'th unread newsgroup.
-If N is negative, search backward instead.
-If ALL is non-nil, choose any newsgroup, unread or not.
-If LEVEL is non-nil, choose the next group with level LEVEL, or, if no
-such group can be found, the next group with a level higher than
-LEVEL.
-Returns the difference between N and the number of skips actually
-made."
- (interactive "p")
- (let ((backward (< n 0))
- (n (abs n)))
- (while (and (> n 0)
- (gnus-group-search-forward
- backward (or (not gnus-group-goto-unread) all) level))
- (setq n (1- n)))
- (if (/= 0 n) (gnus-message 7 "No more%s newsgroups%s" (if all "" " unread")
- (if level " on this level or higher" "")))
- n))
-
-(defun gnus-group-prev-group (n)
- "Go to previous N'th newsgroup.
-Returns the difference between N and the number of skips actually
-done."
- (interactive "p")
- (gnus-group-next-unread-group (- n) t))
-
-(defun gnus-group-prev-unread-group (n)
- "Go to previous N'th unread newsgroup.
-Returns the difference between N and the number of skips actually
-done."
- (interactive "p")
- (gnus-group-next-unread-group (- n)))
-
-(defun gnus-group-next-unread-group-same-level (n)
- "Go to next N'th unread newsgroup on the same level.
-If N is negative, search backward instead.
-Returns the difference between N and the number of skips actually
-done."
- (interactive "p")
- (gnus-group-next-unread-group n t (gnus-group-group-level))
- (gnus-group-position-point))
-
-(defun gnus-group-prev-unread-group-same-level (n)
- "Go to next N'th unread newsgroup on the same level.
-Returns the difference between N and the number of skips actually
-done."
- (interactive "p")
- (gnus-group-next-unread-group (- n) t (gnus-group-group-level))
- (gnus-group-position-point))
-
-(defun gnus-group-best-unread-group (&optional exclude-group)
- "Go to the group with the highest level.
-If EXCLUDE-GROUP, do not go to that group."
- (interactive)
- (goto-char (point-min))
- (let ((best 100000)
- unread best-point)
- (while (setq unread (get-text-property (point) 'gnus-unread))
- (if (and (numberp unread) (> unread 0))
- (progn
- (if (and (< (get-text-property (point) 'gnus-level) best)
- (or (not exclude-group)
- (not (equal exclude-group (gnus-group-group-name)))))
- (progn
- (setq best (get-text-property (point) 'gnus-level))
- (setq best-point (point))))))
- (forward-line 1))
- (if best-point (goto-char best-point))
- (gnus-summary-position-point)
- (and best-point (gnus-group-group-name))))
-
-(defun gnus-group-first-unread-group ()
- "Go to the first group with unread articles."
- (interactive)
- (prog1
- (let ((opoint (point))
- unread)
- (goto-char (point-min))
- (if (or (eq (setq unread (gnus-group-group-unread)) t) ; Not active.
- (and (numberp unread) ; Not a topic.
- (not (zerop unread))) ; Has unread articles.
- (zerop (gnus-group-next-unread-group 1))) ; Next unread group.
- (point) ; Success.
- (goto-char opoint)
- nil)) ; Not success.
- (gnus-group-position-point)))
-
-(defun gnus-group-enter-server-mode ()
- "Jump to the server buffer."
- (interactive)
- (gnus-enter-server-buffer))
-
-(defun gnus-group-make-group (name &optional method address)
- "Add a new newsgroup.
-The user will be prompted for a NAME, for a select METHOD, and an
-ADDRESS."
- (interactive
- (cons
- (read-string "Group name: ")
- (let ((method
- (completing-read
- "Method: " (append gnus-valid-select-methods gnus-server-alist)
- nil t)))
- (if (assoc method gnus-valid-select-methods)
- (list method
- (if (memq 'prompt-address
- (assoc method gnus-valid-select-methods))
- (read-string "Address: ")
- ""))
- (list method "")))))
-
- (save-excursion
- (set-buffer gnus-group-buffer)
- (let* ((meth (and method (if address (list (intern method) address)
- method)))
- (nname (if method (gnus-group-prefixed-name name meth) name))
- info)
- (and (gnus-gethash nname gnus-newsrc-hashtb)
- (error "Group %s already exists" nname))
- (gnus-group-change-level
- (setq info (list t nname gnus-level-default-subscribed nil nil meth))
- gnus-level-default-subscribed gnus-level-killed
- (and (gnus-group-group-name)
- (gnus-gethash (gnus-group-group-name)
- gnus-newsrc-hashtb))
- t)
- (gnus-set-active nname (cons 1 0))
- (or (gnus-ephemeral-group-p name)
- (gnus-dribble-enter
- (concat "(gnus-group-set-info '" (prin1-to-string (cdr info)) ")")))
- (gnus-group-insert-group-line-info nname)
-
- (when (assoc (symbol-name (car meth)) gnus-valid-select-methods)
- (require (car meth)))
- (gnus-check-server meth)
- (and (gnus-check-backend-function 'request-create-group nname)
- (gnus-request-create-group nname))
- t)))
-
-(defun gnus-group-delete-group (group &optional force)
- "Delete the current group.
-If FORCE (the prefix) is non-nil, all the articles in the group will
-be deleted. This is \"deleted\" as in \"removed forever from the face
-of the Earth\". There is no undo."
- (interactive
- (list (gnus-group-group-name)
- current-prefix-arg))
- (or group (error "No group to rename"))
- (or (gnus-check-backend-function 'request-delete-group group)
- (error "This backend does not support group deletion"))
- (prog1
- (if (not (gnus-yes-or-no-p
- (format
- "Do you really want to delete %s%s? "
- group (if force " and all its contents" ""))))
- () ; Whew!
- (gnus-message 6 "Deleting group %s..." group)
- (if (not (gnus-request-delete-group group force))
- (progn
- (gnus-message 3 "Couldn't delete group %s" group)
- (ding))
- (gnus-message 6 "Deleting group %s...done" group)
- (gnus-group-goto-group group)
- (gnus-group-kill-group 1 t)
- t))
- (gnus-group-position-point)))
-
-(defun gnus-group-rename-group (group new-name)
- (interactive
- (list
- (gnus-group-group-name)
- (progn
- (or (gnus-check-backend-function
- 'request-rename-group (gnus-group-group-name))
- (error "This backend does not support renaming groups"))
- (read-string "New group name: "))))
-
- (or (gnus-check-backend-function 'request-rename-group group)
- (error "This backend does not support renaming groups"))
-
- (or group (error "No group to rename"))
- (and (string-match "^[ \t]*$" new-name)
- (error "Not a valid group name"))
-
- ;; We find the proper prefixed name.
- (setq new-name
- (gnus-group-prefixed-name
- (gnus-group-real-name new-name)
- (gnus-info-method (gnus-get-info group))))
-
- (gnus-message 6 "Renaming group %s to %s..." group new-name)
- (prog1
- (if (not (gnus-request-rename-group group new-name))
- (progn
- (gnus-message 3 "Couldn't rename group %s to %s" group new-name)
- (ding))
- ;; We rename the group internally by killing it...
- (gnus-group-goto-group group)
- (gnus-group-kill-group)
- ;; ... changing its name ...
- (setcar (cdr (car gnus-list-of-killed-groups))
- new-name)
- ;; ... and then yanking it. Magic!
- (gnus-group-yank-group)
- (gnus-set-active new-name (gnus-active group))
- (gnus-message 6 "Renaming group %s to %s...done" group new-name)
- new-name)
- (gnus-group-position-point)))
-
-(defun gnus-group-edit-group (group &optional part)
- "Edit the group on the current line."
- (interactive (list (gnus-group-group-name)))
- (let ((done-func '(lambda ()
- "Exit editing mode and update the information."
- (interactive)
- (gnus-group-edit-group-done 'part 'group)))
- (part (or part 'info))
- (winconf (current-window-configuration))
- info)
- (or group (error "No group on current line"))
- (or (setq info (gnus-get-info group))
- (error "Killed group; can't be edited"))
- (set-buffer (get-buffer-create gnus-group-edit-buffer))
- (gnus-configure-windows 'edit-group)
- (gnus-add-current-to-buffer-list)
- (emacs-lisp-mode)
- ;; Suggested by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
- (use-local-map (copy-keymap emacs-lisp-mode-map))
- (local-set-key "\C-c\C-c" done-func)
- (make-local-variable 'gnus-prev-winconf)
- (setq gnus-prev-winconf winconf)
- ;; We modify the func to let it know what part it is editing.
- (setcar (cdr (nth 4 done-func)) (list 'quote part))
- (setcar (cdr (cdr (nth 4 done-func))) group)
- (erase-buffer)
- (insert
- (cond
- ((eq part 'method)
- ";; Type `C-c C-c' after editing the select method.\n\n")
- ((eq part 'params)
- ";; Type `C-c C-c' after editing the group parameters.\n\n")
- ((eq part 'info)
- ";; Type `C-c C-c' after editing the group info.\n\n")))
- (insert
- (pp-to-string
- (cond ((eq part 'method)
- (or (gnus-info-method info) "native"))
- ((eq part 'params)
- (gnus-info-params info))
- (t info)))
- "\n")))
-
-(defun gnus-group-edit-group-method (group)
- "Edit the select method of GROUP."
- (interactive (list (gnus-group-group-name)))
- (gnus-group-edit-group group 'method))
-
-(defun gnus-group-edit-group-parameters (group)
- "Edit the group parameters of GROUP."
- (interactive (list (gnus-group-group-name)))
- (gnus-group-edit-group group 'params))
-
-(defun gnus-group-edit-group-done (part group)
- "Get info from buffer, update variables and jump to the group buffer."
- (set-buffer (get-buffer-create gnus-group-edit-buffer))
- (goto-char (point-min))
- (let* ((form (read (current-buffer)))
- (winconf gnus-prev-winconf)
- (new-group (when (eq part 'info)
- (if (or (not (nth 4 form))
- (gnus-server-equal
- gnus-select-method (nth 4 form)))
- (gnus-group-real-name (car form))
- (gnus-group-prefixed-name
- (gnus-group-real-name (car form)) (nth 4 form))))))
- ;; Set the info.
- (if (eq part 'info)
- (progn
- (when new-group (setcar form new-group))
- (gnus-group-set-info form))
- (gnus-group-set-info form group part))
- (kill-buffer (current-buffer))
- (and winconf (set-window-configuration winconf))
- (set-buffer gnus-group-buffer)
- (when (and new-group
- (not (equal new-group group)))
- (when (gnus-group-goto-group group)
- (gnus-group-kill-group 1))
- (gnus-activate-group new-group))
- (gnus-group-update-group (or new-group group))
- (gnus-group-position-point)))
-
-(defun gnus-group-make-help-group ()
- "Create the Gnus documentation group."
- (interactive)
- (let ((path load-path)
- (name (gnus-group-prefixed-name "gnus-help" '(nndoc "gnus-help")))
- file dir)
- (and (gnus-gethash name gnus-newsrc-hashtb)
- (error "Documentation group already exists"))
- (while path
- (setq dir (file-name-as-directory (expand-file-name (pop path)))
- file nil)
- (when (or (file-exists-p (setq file (concat dir "gnus-tut.txt")))
- (file-exists-p
- (setq file (concat (file-name-directory
- (directory-file-name dir))
- "etc/gnus-tut.txt"))))
- (setq path nil)))
- (if (not file)
- (message "Couldn't find doc group")
- (gnus-group-make-group
- (gnus-group-real-name name)
- (list 'nndoc name
- (list 'nndoc-address file)
- (list 'nndoc-article-type 'mbox)))))
- (gnus-group-position-point))
-
-(defun gnus-group-make-doc-group (file type)
- "Create a group that uses a single file as the source."
- (interactive
- (list (read-file-name "File name: ")
- (and current-prefix-arg 'ask)))
- (when (eq type 'ask)
- (let ((err "")
- char found)
- (while (not found)
- (message
- "%sFile type (mbox, babyl, digest, forward, mmfd, guess) [mbdfag]: "
- err)
- (setq found (cond ((= (setq char (read-char)) ?m) 'mbox)
- ((= char ?b) 'babyl)
- ((= char ?d) 'digest)
- ((= char ?f) 'forward)
- ((= char ?a) 'mmfd)
- (t (setq err (format "%c unknown. " char))
- nil))))
- (setq type found)))
- (let* ((file (expand-file-name file))
- (name (gnus-generate-new-group-name
- (gnus-group-prefixed-name
- (file-name-nondirectory file) '(nndoc "")))))
- (gnus-group-make-group
- (gnus-group-real-name name)
- (list 'nndoc name
- (list 'nndoc-address file)
- (list 'nndoc-article-type (or type 'guess))))
- (forward-line -1)
- (gnus-group-position-point)))
-
-(defun gnus-group-make-archive-group (&optional all)
- "Create the (ding) Gnus archive group of the most recent articles.
-Given a prefix, create a full group."
- (interactive "P")
- (let ((group (gnus-group-prefixed-name
- (if all "ding.archives" "ding.recent") '(nndir ""))))
- (and (gnus-gethash group gnus-newsrc-hashtb)
- (error "Archive group already exists"))
- (gnus-group-make-group
- (gnus-group-real-name group)
- (list 'nndir (if all "hpc" "edu")
- (list 'nndir-directory
- (if all gnus-group-archive-directory
- gnus-group-recent-archive-directory)))))
- (forward-line -1)
- (gnus-group-position-point))
-
-(defun gnus-group-make-directory-group (dir)
- "Create an nndir group.
-The user will be prompted for a directory. The contents of this
-directory will be used as a newsgroup. The directory should contain
-mail messages or news articles in files that have numeric names."
- (interactive
- (list (read-file-name "Create group from directory: ")))
- (or (file-exists-p dir) (error "No such directory"))
- (or (file-directory-p dir) (error "Not a directory"))
- (let ((ext "")
- (i 0)
- group)
- (while (or (not group) (gnus-gethash group gnus-newsrc-hashtb))
- (setq group
- (gnus-group-prefixed-name
- (concat (file-name-as-directory (directory-file-name dir))
- ext)
- '(nndir "")))
- (setq ext (format "<%d>" (setq i (1+ i)))))
- (gnus-group-make-group
- (gnus-group-real-name group)
- (list 'nndir group (list 'nndir-directory dir))))
- (forward-line -1)
- (gnus-group-position-point))
-
-(defun gnus-group-make-kiboze-group (group address scores)
- "Create an nnkiboze group.
-The user will be prompted for a name, a regexp to match groups, and
-score file entries for articles to include in the group."
- (interactive
- (list
- (read-string "nnkiboze group name: ")
- (read-string "Source groups (regexp): ")
- (let ((headers (mapcar (lambda (group) (list group))
- '("subject" "from" "number" "date" "message-id"
- "references" "chars" "lines" "xref"
- "followup" "all" "body" "head")))
- scores header regexp regexps)
- (while (not (equal "" (setq header (completing-read
- "Match on header: " headers nil t))))
- (setq regexps nil)
- (while (not (equal "" (setq regexp (read-string
- (format "Match on %s (string): "
- header)))))
- (setq regexps (cons (list regexp nil nil 'r) regexps)))
- (setq scores (cons (cons header regexps) scores)))
- scores)))
- (gnus-group-make-group group "nnkiboze" address)
- (save-excursion
- (gnus-set-work-buffer)
- (let (emacs-lisp-mode-hook)
- (pp scores (current-buffer)))
- (write-region (point-min) (point-max)
- (gnus-score-file-name (concat "nnkiboze:" group))))
- (forward-line -1)
- (gnus-group-position-point))
-
-(defun gnus-group-add-to-virtual (n vgroup)
- "Add the current group to a virtual group."
- (interactive
- (list current-prefix-arg
- (completing-read "Add to virtual group: " gnus-newsrc-hashtb nil t
- "nnvirtual:")))
- (or (eq (car (gnus-find-method-for-group vgroup)) 'nnvirtual)
- (error "%s is not an nnvirtual group" vgroup))
- (let* ((groups (gnus-group-process-prefix n))
- (method (gnus-info-method (gnus-get-info vgroup))))
- (setcar (cdr method)
- (concat
- (nth 1 method) "\\|"
- (mapconcat
- (lambda (s)
- (gnus-group-remove-mark s)
- (concat "\\(^" (regexp-quote s) "$\\)"))
- groups "\\|"))))
- (gnus-group-position-point))
-
-(defun gnus-group-make-empty-virtual (group)
- "Create a new, fresh, empty virtual group."
- (interactive "sCreate new, empty virtual group: ")
- (let* ((method (list 'nnvirtual "^$"))
- (pgroup (gnus-group-prefixed-name group method)))
- ;; Check whether it exists already.
- (and (gnus-gethash pgroup gnus-newsrc-hashtb)
- (error "Group %s already exists." pgroup))
- ;; Subscribe the new group after the group on the current line.
- (gnus-subscribe-group pgroup (gnus-group-group-name) method)
- (gnus-group-update-group pgroup)
- (forward-line -1)
- (gnus-group-position-point)))
-
-(defun gnus-group-enter-directory (dir)
- "Enter an ephemeral nneething group."
- (interactive "DDirectory to read: ")
- (let* ((method (list 'nneething dir))
- (leaf (gnus-group-prefixed-name
- (file-name-nondirectory (directory-file-name dir))
- method))
- (name (gnus-generate-new-group-name leaf)))
- (let ((nneething-read-only t))
- (or (gnus-group-read-ephemeral-group
- name method t
- (cons (current-buffer) (if (eq major-mode 'gnus-summary-mode)
- 'summary 'group)))
- (error "Couldn't enter %s" dir)))))
-
-;; Group sorting commands
-;; Suggested by Joe Hildebrand <hildjj@idaho.fuentez.com>.
-
-(defun gnus-group-sort-groups (func &optional reverse)
- "Sort the group buffer according to FUNC.
-If REVERSE, reverse the sorting order."
- (interactive (list gnus-group-sort-function
- current-prefix-arg))
- (let ((func (cond
- ((not (listp func)) func)
- ((null func) func)
- ((= 1 (length func)) (car func))
- (t `(lambda (t1 t2)
- ,(gnus-make-sort-function
- (reverse func)))))))
- ;; We peel off the dummy group from the alist.
- (when func
- (when (equal (car (gnus-info-group gnus-newsrc-alist)) "dummy.group")
- (pop gnus-newsrc-alist))
- ;; Do the sorting.
- (setq gnus-newsrc-alist
- (sort gnus-newsrc-alist func))
- (when reverse
- (setq gnus-newsrc-alist (nreverse gnus-newsrc-alist)))
- ;; Regenerate the hash table.
- (gnus-make-hashtable-from-newsrc-alist)
- (gnus-group-list-groups))))
-
-(defun gnus-group-sort-groups-by-alphabet (&optional reverse)
- "Sort the group buffer alphabetically by group name.
-If REVERSE, sort in reverse order."
- (interactive "P")
- (gnus-group-sort-groups 'gnus-group-sort-by-alphabet reverse))
-
-(defun gnus-group-sort-groups-by-unread (&optional reverse)
- "Sort the group buffer by number of unread articles.
-If REVERSE, sort in reverse order."
- (interactive "P")
- (gnus-group-sort-groups 'gnus-group-sort-by-unread reverse))
-
-(defun gnus-group-sort-groups-by-level (&optional reverse)
- "Sort the group buffer by group level.
-If REVERSE, sort in reverse order."
- (interactive "P")
- (gnus-group-sort-groups 'gnus-group-sort-by-level reverse))
-
-(defun gnus-group-sort-groups-by-score (&optional reverse)
- "Sort the group buffer by group score.
-If REVERSE, sort in reverse order."
- (interactive "P")
- (gnus-group-sort-groups 'gnus-group-sort-by-score reverse))
-
-(defun gnus-group-sort-groups-by-rank (&optional reverse)
- "Sort the group buffer by group rank.
-If REVERSE, sort in reverse order."
- (interactive "P")
- (gnus-group-sort-groups 'gnus-group-sort-by-rank reverse))
-
-(defun gnus-group-sort-groups-by-method (&optional reverse)
- "Sort the group buffer alphabetically by backend name.
-If REVERSE, sort in reverse order."
- (interactive "P")
- (gnus-group-sort-groups 'gnus-group-sort-by-method reverse))
-
-(defun gnus-group-sort-by-alphabet (info1 info2)
- "Sort alphabetically."
- (string< (gnus-info-group info1) (gnus-info-group info2)))
-
-(defun gnus-group-sort-by-unread (info1 info2)
- "Sort by number of unread articles."
- (let ((n1 (car (gnus-gethash (gnus-info-group info1) gnus-newsrc-hashtb)))
- (n2 (car (gnus-gethash (gnus-info-group info2) gnus-newsrc-hashtb))))
- (< (or (and (numberp n1) n1) 0)
- (or (and (numberp n2) n2) 0))))
-
-(defun gnus-group-sort-by-level (info1 info2)
- "Sort by level."
- (< (gnus-info-level info1) (gnus-info-level info2)))
-
-(defun gnus-group-sort-by-method (info1 info2)
- "Sort alphabetically by backend name."
- (string< (symbol-name (car (gnus-find-method-for-group
- (gnus-info-group info1) info1)))
- (symbol-name (car (gnus-find-method-for-group
- (gnus-info-group info2) info2)))))
-
-(defun gnus-group-sort-by-score (info1 info2)
- "Sort by group score."
- (< (gnus-info-score info1) (gnus-info-score info2)))
-
-(defun gnus-group-sort-by-rank (info1 info2)
- "Sort by level and score."
- (let ((level1 (gnus-info-level info1))
- (level2 (gnus-info-level info2)))
- (or (< level1 level2)
- (and (= level1 level2)
- (< (gnus-info-score info1) (gnus-info-score info2))))))
-
-;; Group catching up.
-
-(defun gnus-group-catchup-current (&optional n all)
- "Mark all articles not marked as unread in current newsgroup as read.
-If prefix argument N is numeric, the ARG next newsgroups will be
-caught up. If ALL is non-nil, marked articles will also be marked as
-read. Cross references (Xref: header) of articles are ignored.
-The difference between N and actual number of newsgroups that were
-caught up is returned."
- (interactive "P")
- (if (not (or (not gnus-interactive-catchup) ;Without confirmation?
- gnus-expert-user
- (gnus-y-or-n-p
- (if all
- "Do you really want to mark all articles as read? "
- "Mark all unread articles as read? "))))
- n
- (let ((groups (gnus-group-process-prefix n))
- (ret 0))
- (while groups
- ;; Virtual groups have to be given special treatment.
- (let ((method (gnus-find-method-for-group (car groups))))
- (if (eq 'nnvirtual (car method))
- (nnvirtual-catchup-group
- (gnus-group-real-name (car groups)) (nth 1 method) all)))
- (gnus-group-remove-mark (car groups))
- (if (prog1
- (gnus-group-goto-group (car groups))
- (gnus-group-catchup (car groups) all))
- (gnus-group-update-group-line)
- (setq ret (1+ ret)))
- (setq groups (cdr groups)))
- (gnus-group-next-unread-group 1)
- ret)))
-
-(defun gnus-group-catchup-current-all (&optional n)
- "Mark all articles in current newsgroup as read.
-Cross references (Xref: header) of articles are ignored."
- (interactive "P")
- (gnus-group-catchup-current n 'all))
-
-(defun gnus-group-catchup (group &optional all)
- "Mark all articles in GROUP as read.
-If ALL is non-nil, all articles are marked as read.
-The return value is the number of articles that were marked as read,
-or nil if no action could be taken."
- (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
- (num (car entry)))
- ;; Do the updating only if the newsgroup isn't killed.
- (if (not (numberp (car entry)))
- (gnus-message 1 "Can't catch up; non-active group")
- ;; Do auto-expirable marks if that's required.
- (when (gnus-group-auto-expirable-p group)
- (gnus-add-marked-articles
- group 'expire (gnus-list-of-unread-articles group))
- (when all
- (let ((marks (nth 3 (nth 2 entry))))
- (gnus-add-marked-articles
- group 'expire (gnus-uncompress-range (cdr (assq 'tick marks))))
- (gnus-add-marked-articles
- group 'expire (gnus-uncompress-range (cdr (assq 'tick marks)))))))
- (when entry
- (gnus-update-read-articles group nil)
- ;; Also nix out the lists of marks and dormants.
- (when all
- (gnus-add-marked-articles group 'tick nil nil 'force)
- (gnus-add-marked-articles group 'dormant nil nil 'force))
- (run-hooks 'gnus-group-catchup-group-hook)
- num))))
-
-(defun gnus-group-expire-articles (&optional n)
- "Expire all expirable articles in the current newsgroup."
- (interactive "P")
- (let ((groups (gnus-group-process-prefix n))
- group)
- (unless groups
- (error "No groups to expire"))
- (while (setq group (pop groups))
- (gnus-group-remove-mark group)
- (when (gnus-check-backend-function 'request-expire-articles group)
- (gnus-message 6 "Expiring articles in %s..." group)
- (let* ((info (gnus-get-info group))
- (expirable (if (gnus-group-total-expirable-p group)
- (cons nil (gnus-list-of-read-articles group))
- (assq 'expire (gnus-info-marks info))))
- (expiry-wait (gnus-group-get-parameter group 'expiry-wait)))
- (when expirable
- (setcdr
- expirable
- (gnus-compress-sequence
- (if expiry-wait
- ;; We set the expiry variables to the groupp
- ;; parameter.
- (let ((nnmail-expiry-wait-function nil)
- (nnmail-expiry-wait expiry-wait))
- (gnus-request-expire-articles
- (gnus-uncompress-sequence (cdr expirable)) group))
- ;; Just expire using the normal expiry values.
- (gnus-request-expire-articles
- (gnus-uncompress-sequence (cdr expirable)) group)))))
- (gnus-message 6 "Expiring articles in %s...done" group)))
- (gnus-group-position-point))))
-
-(defun gnus-group-expire-all-groups ()
- "Expire all expirable articles in all newsgroups."
- (interactive)
- (save-excursion
- (gnus-message 5 "Expiring...")
- (let ((gnus-group-marked (mapcar (lambda (info) (gnus-info-group info))
- (cdr gnus-newsrc-alist))))
- (gnus-group-expire-articles nil)))
- (gnus-group-position-point)
- (gnus-message 5 "Expiring...done"))
-
-(defun gnus-group-set-current-level (n level)
- "Set the level of the next N groups to LEVEL."
- (interactive
- (list
- current-prefix-arg
- (if (not (gnus-group-group-name))
- (error "No group on the current line")
- (string-to-int
- (let ((s (read-string
- (format "Level (default %s): " (gnus-group-group-level)))))
- (if (string-match "^\\s-*$" s)
- (int-to-string (gnus-group-group-level))
- s))))))
- (or (and (>= level 1) (<= level gnus-level-killed))
- (error "Illegal level: %d" level))
- (let ((groups (gnus-group-process-prefix n))
- group)
- (while (setq group (pop groups))
- (gnus-group-remove-mark group)
- (gnus-message 6 "Changed level of %s from %d to %d"
- group (or (gnus-group-group-level) gnus-level-killed)
- level)
- (gnus-group-change-level
- group level (or (gnus-group-group-level) gnus-level-killed))
- (gnus-group-update-group-line)))
- (gnus-group-position-point))
-
-(defun gnus-group-unsubscribe-current-group (&optional n)
- "Toggle subscription of the current group.
-If given numerical prefix, toggle the N next groups."
- (interactive "P")
- (let ((groups (gnus-group-process-prefix n))
- group)
- (while groups
- (setq group (car groups)
- groups (cdr groups))
- (gnus-group-remove-mark group)
- (gnus-group-unsubscribe-group
- group (if (<= (gnus-group-group-level) gnus-level-subscribed)
- gnus-level-default-unsubscribed
- gnus-level-default-subscribed) t)
- (gnus-group-update-group-line))
- (gnus-group-next-group 1)))
-
-(defun gnus-group-unsubscribe-group (group &optional level silent)
- "Toggle subscription to GROUP.
-Killed newsgroups are subscribed. If SILENT, don't try to update the
-group line."
- (interactive
- (list (completing-read
- "Group: " gnus-active-hashtb nil
- (memq gnus-select-method gnus-have-read-active-file))))
- (let ((newsrc (gnus-gethash group gnus-newsrc-hashtb)))
- (cond
- ((string-match "^[ \t]$" group)
- (error "Empty group name"))
- (newsrc
- ;; Toggle subscription flag.
- (gnus-group-change-level
- newsrc (if level level (if (<= (nth 1 (nth 2 newsrc))
- gnus-level-subscribed)
- (1+ gnus-level-subscribed)
- gnus-level-default-subscribed)))
- (unless silent
- (gnus-group-update-group group)))
- ((and (stringp group)
- (or (not (memq gnus-select-method gnus-have-read-active-file))
- (gnus-active group)))
- ;; Add new newsgroup.
- (gnus-group-change-level
- group
- (if level level gnus-level-default-subscribed)
- (or (and (member group gnus-zombie-list)
- gnus-level-zombie)
- gnus-level-killed)
- (and (gnus-group-group-name)
- (gnus-gethash (gnus-group-group-name) gnus-newsrc-hashtb)))
- (unless silent
- (gnus-group-update-group group)))
- (t (error "No such newsgroup: %s" group)))
- (gnus-group-position-point)))
-
-(defun gnus-group-transpose-groups (n)
- "Move the current newsgroup up N places.
-If given a negative prefix, move down instead. The difference between
-N and the number of steps taken is returned."
- (interactive "p")
- (or (gnus-group-group-name)
- (error "No group on current line"))
- (gnus-group-kill-group 1)
- (prog1
- (forward-line (- n))
- (gnus-group-yank-group)
- (gnus-group-position-point)))
-
-(defun gnus-group-kill-all-zombies ()
- "Kill all zombie newsgroups."
- (interactive)
- (setq gnus-killed-list (nconc gnus-zombie-list gnus-killed-list))
- (setq gnus-zombie-list nil)
- (gnus-group-list-groups))
-
-(defun gnus-group-kill-region (begin end)
- "Kill newsgroups in current region (excluding current point).
-The killed newsgroups can be yanked by using \\[gnus-group-yank-group]."
- (interactive "r")
- (let ((lines
- ;; Count lines.
- (save-excursion
- (count-lines
- (progn
- (goto-char begin)
- (beginning-of-line)
- (point))
- (progn
- (goto-char end)
- (beginning-of-line)
- (point))))))
- (goto-char begin)
- (beginning-of-line) ;Important when LINES < 1
- (gnus-group-kill-group lines)))
-
-(defun gnus-group-kill-group (&optional n discard)
- "Kill the next N groups.
-The killed newsgroups can be yanked by using \\[gnus-group-yank-group].
-However, only groups that were alive can be yanked; already killed
-groups or zombie groups can't be yanked.
-The return value is the name of the group that was killed, or a list
-of groups killed."
- (interactive "P")
- (let ((buffer-read-only nil)
- (groups (gnus-group-process-prefix n))
- group entry level out)
- (if (< (length groups) 10)
- ;; This is faster when there are few groups.
- (while groups
- (push (setq group (pop groups)) out)
- (gnus-group-remove-mark group)
- (setq level (gnus-group-group-level))
- (gnus-delete-line)
- (if (and (not discard)
- (setq entry (gnus-gethash group gnus-newsrc-hashtb)))
- (setq gnus-list-of-killed-groups
- (cons (cons (car entry) (nth 2 entry))
- gnus-list-of-killed-groups)))
- (gnus-group-change-level
- (if entry entry group) gnus-level-killed (if entry nil level)))
- ;; If there are lots and lots of groups to be killed, we use
- ;; this thing instead.
- (let (entry)
- (setq groups (nreverse groups))
- (while groups
- (gnus-group-remove-mark (setq group (pop groups)))
- (gnus-delete-line)
- (cond
- ((setq entry (gnus-gethash group gnus-newsrc-hashtb))
- (push (cons (car entry) (nth 2 entry))
- gnus-list-of-killed-groups)
- (setcdr (cdr entry) (cdr (cdr (cdr entry)))))
- ((member group gnus-zombie-list)
- (setq gnus-zombie-list (delete group gnus-zombie-list)))))
- (gnus-make-hashtable-from-newsrc-alist)))
-
- (gnus-group-position-point)
- (if (< (length out) 2) (car out) (nreverse out))))
-
-(defun gnus-group-yank-group (&optional arg)
- "Yank the last newsgroups killed with \\[gnus-group-kill-group],
-inserting it before the current newsgroup. The numeric ARG specifies
-how many newsgroups are to be yanked. The name of the newsgroup yanked
-is returned, or (if several groups are yanked) a list of yanked groups
-is returned."
- (interactive "p")
- (setq arg (or arg 1))
- (let (info group prev out)
- (while (>= (decf arg) 0)
- (if (not (setq info (pop gnus-list-of-killed-groups)))
- (error "No more newsgroups to yank"))
- (push (setq group (nth 1 info)) out)
- ;; Find which newsgroup to insert this one before - search
- ;; backward until something suitable is found. If there are no
- ;; other newsgroups in this buffer, just make this newsgroup the
- ;; first newsgroup.
- (setq prev (gnus-group-group-name))
- (gnus-group-change-level
- info (nth 2 info) gnus-level-killed
- (and prev (gnus-gethash prev gnus-newsrc-hashtb))
- t)
- (gnus-group-insert-group-line-info group))
- (forward-line -1)
- (gnus-group-position-point)
- (if (< (length out) 2) (car out) (nreverse out))))
-
-(defun gnus-group-kill-level (level)
- "Kill all groups that is on a certain LEVEL."
- (interactive "nKill all groups on level: ")
- (cond
- ((= level gnus-level-zombie)
- (setq gnus-killed-list
- (nconc gnus-zombie-list gnus-killed-list))
- (setq gnus-zombie-list nil))
- ((and (< level gnus-level-zombie)
- (> level 0)
- (or gnus-expert-user
- (gnus-yes-or-no-p
- (format
- "Do you really want to kill all groups on level %d? "
- level))))
- (let* ((prev gnus-newsrc-alist)
- (alist (cdr prev)))
- (while alist
- (if (= (gnus-info-level level) level)
- (setcdr prev (cdr alist))
- (setq prev alist))
- (setq alist (cdr alist)))
- (gnus-make-hashtable-from-newsrc-alist)
- (gnus-group-list-groups)))
- (t
- (error "Can't kill; illegal level: %d" level))))
-
-(defun gnus-group-list-all-groups (&optional arg)
- "List all newsgroups with level ARG or lower.
-Default is gnus-level-unsubscribed, which lists all subscribed and most
-unsubscribed groups."
- (interactive "P")
- (gnus-group-list-groups (or arg gnus-level-unsubscribed) t))
-
-;; Redefine this to list ALL killed groups if prefix arg used.
-;; Rewritten by engstrom@src.honeywell.com (Eric Engstrom).
-(defun gnus-group-list-killed (&optional arg)
- "List all killed newsgroups in the group buffer.
-If ARG is non-nil, list ALL killed groups known to Gnus. This may
-entail asking the server for the groups."
- (interactive "P")
- ;; Find all possible killed newsgroups if arg.
- (when arg
- ;; First make sure active file has been read.
- (unless gnus-have-read-active-file
- (let ((gnus-read-active-file t))
- (gnus-read-active-file)))
- (or gnus-killed-hashtb (gnus-make-hashtable-from-killed))
- ;; Go through all newsgroups that are known to Gnus - enlarge kill list
- (mapatoms
- (lambda (sym)
- (let ((groups 0)
- (group (symbol-name sym)))
- (if (or (null group)
- (gnus-gethash group gnus-killed-hashtb)
- (gnus-gethash group gnus-newsrc-hashtb))
- ()
- (let ((do-sub (gnus-matches-options-n group)))
- (if (or (eq do-sub 'subscribe) (eq do-sub 'ignore))
- ()
- (setq groups (1+ groups))
- (setq gnus-killed-list
- (cons group gnus-killed-list))
- (gnus-sethash group group gnus-killed-hashtb))))))
- gnus-active-hashtb))
- (if (not gnus-killed-list)
- (gnus-message 6 "No killed groups")
- (let (gnus-group-list-mode)
- (funcall gnus-group-prepare-function
- gnus-level-killed t gnus-level-killed))
- (goto-char (point-min)))
- (gnus-group-position-point))
-
-(defun gnus-group-list-zombies ()
- "List all zombie newsgroups in the group buffer."
- (interactive)
- (if (not gnus-zombie-list)
- (gnus-message 6 "No zombie groups")
- (let (gnus-group-list-mode)
- (funcall gnus-group-prepare-function
- gnus-level-zombie t gnus-level-zombie))
- (goto-char (point-min)))
- (gnus-group-position-point))
-
-(defun gnus-group-list-active ()
- "List all groups that are available from the server(s)."
- (interactive)
- ;; First we make sure that we have really read the active file.
- (unless gnus-have-read-active-file
- (let ((gnus-read-active-file t))
- (gnus-read-active-file)))
- ;; Find all groups and sort them.
- (let ((groups
- (sort
- (let (list)
- (mapatoms
- (lambda (sym)
- (and (symbol-value sym)
- (setq list (cons (symbol-name sym) list))))
- gnus-active-hashtb)
- list)
- 'string<))
- (buffer-read-only nil))
- (erase-buffer)
- (while groups
- (gnus-group-insert-group-line-info (car groups))
- (setq groups (cdr groups)))
- (goto-char (point-min))))
-
-(defun gnus-activate-all-groups (level)
- "Activate absolutely all groups."
- (interactive (list 7))
- (let ((gnus-activate-level level)
- (gnus-activate-foreign-newsgroups level))
- (gnus-group-get-new-news)))
-
-(defun gnus-group-get-new-news (&optional arg)
- "Get newly arrived articles.
-If ARG is a number, it specifies which levels you are interested in
-re-scanning. If ARG is non-nil and not a number, this will force
-\"hard\" re-reading of the active files from all servers."
- (interactive "P")
- (run-hooks 'gnus-get-new-news-hook)
- ;; We might read in new NoCeM messages here.
- (when gnus-use-nocem
- (gnus-nocem-scan-groups))
- ;; If ARG is not a number, then we read the active file.
- (when (and arg (not (numberp arg)))
- (let ((gnus-read-active-file t))
- (gnus-read-active-file))
- (setq arg nil))
-
- (setq arg (gnus-group-default-level arg t))
- (if (and gnus-read-active-file (not arg))
- (progn
- (gnus-read-active-file)
- (gnus-get-unread-articles arg))
- (let ((gnus-read-active-file (if arg nil gnus-read-active-file)))
- (gnus-get-unread-articles arg)))
- (gnus-group-list-groups))
-
-(defun gnus-group-get-new-news-this-group (&optional n)
- "Check for newly arrived news in the current group (and the N-1 next groups).
-The difference between N and the number of newsgroup checked is returned.
-If N is negative, this group and the N-1 previous groups will be checked."
- (interactive "P")
- (let* ((groups (gnus-group-process-prefix n))
- (ret (if (numberp n) (- n (length groups)) 0))
- group)
- (while groups
- (setq group (car groups)
- groups (cdr groups))
- (gnus-group-remove-mark group)
- (unless (gnus-get-new-news-in-group group)
- (ding)
- (gnus-message 3 "%s error: %s" group (gnus-status-message group))))
- (when gnus-goto-next-group-when-activating
- (gnus-group-next-unread-group 1 t))
- (gnus-summary-position-point)
- ret))
-
-(defun gnus-get-new-news-in-group (group)
- (when (and group (gnus-activate-group group 'scan))
- (gnus-get-unread-articles-in-group
- (gnus-get-info group) (gnus-active group) t)
- (when (gnus-group-goto-group group)
- (gnus-group-update-group-line))
- t))
-
-(defun gnus-group-fetch-faq (group &optional faq-dir)
- "Fetch the FAQ for the current group."
- (interactive
- (list
- (gnus-group-real-name (gnus-group-group-name))
- (cond (current-prefix-arg
- (completing-read
- "Faq dir: " (and (listp gnus-group-faq-directory)
- gnus-group-faq-directory))))))
- (or faq-dir
- (setq faq-dir (if (listp gnus-group-faq-directory)
- (car gnus-group-faq-directory)
- gnus-group-faq-directory)))
- (or group (error "No group name given"))
- (let ((file (concat (file-name-as-directory faq-dir)
- (gnus-group-real-name group))))
- (if (not (file-exists-p file))
- (error "No such file: %s" file)
- (find-file file))))
-
-(defun gnus-group-describe-group (force &optional group)
- "Display a description of the current newsgroup."
- (interactive (list current-prefix-arg (gnus-group-group-name)))
- (and force (setq gnus-description-hashtb nil))
- (let ((method (gnus-find-method-for-group group))
- desc)
- (or group (error "No group name given"))
- (and (or (and gnus-description-hashtb
- ;; We check whether this group's method has been
- ;; queried for a description file.
- (gnus-gethash
- (gnus-group-prefixed-name "" method)
- gnus-description-hashtb))
- (setq desc (gnus-group-get-description group))
- (gnus-read-descriptions-file method))
- (message
- (or desc (gnus-gethash group gnus-description-hashtb)
- "No description available")))))
-
-;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
-(defun gnus-group-describe-all-groups (&optional force)
- "Pop up a buffer with descriptions of all newsgroups."
- (interactive "P")
- (and force (setq gnus-description-hashtb nil))
- (if (not (or gnus-description-hashtb
- (gnus-read-all-descriptions-files)))
- (error "Couldn't request descriptions file"))
- (let ((buffer-read-only nil)
- b)
- (erase-buffer)
- (mapatoms
- (lambda (group)
- (setq b (point))
- (insert (format " *: %-20s %s\n" (symbol-name group)
- (symbol-value group)))
- (add-text-properties
- b (1+ b) (list 'gnus-group group
- 'gnus-unread t 'gnus-marked nil
- 'gnus-level (1+ gnus-level-subscribed))))
- gnus-description-hashtb)
- (goto-char (point-min))
- (gnus-group-position-point)))
-
-;; Suggested by by Daniel Quinlan <quinlan@best.com>.
-(defun gnus-group-apropos (regexp &optional search-description)
- "List all newsgroups that have names that match a regexp."
- (interactive "sGnus apropos (regexp): ")
- (let ((prev "")
- (obuf (current-buffer))
- groups des)
- ;; Go through all newsgroups that are known to Gnus.
- (mapatoms
- (lambda (group)
- (and (symbol-name group)
- (string-match regexp (symbol-name group))
- (setq groups (cons (symbol-name group) groups))))
- gnus-active-hashtb)
- ;; Go through all descriptions that are known to Gnus.
- (if search-description
- (mapatoms
- (lambda (group)
- (and (string-match regexp (symbol-value group))
- (gnus-active (symbol-name group))
- (setq groups (cons (symbol-name group) groups))))
- gnus-description-hashtb))
- (if (not groups)
- (gnus-message 3 "No groups matched \"%s\"." regexp)
- ;; Print out all the groups.
- (save-excursion
- (pop-to-buffer "*Gnus Help*")
- (buffer-disable-undo (current-buffer))
- (erase-buffer)
- (setq groups (sort groups 'string<))
- (while groups
- ;; Groups may be entered twice into the list of groups.
- (if (not (string= (car groups) prev))
- (progn
- (insert (setq prev (car groups)) "\n")
- (if (and gnus-description-hashtb
- (setq des (gnus-gethash (car groups)
- gnus-description-hashtb)))
- (insert " " des "\n"))))
- (setq groups (cdr groups)))
- (goto-char (point-min))))
- (pop-to-buffer obuf)))
-
-(defun gnus-group-description-apropos (regexp)
- "List all newsgroups that have names or descriptions that match a regexp."
- (interactive "sGnus description apropos (regexp): ")
- (if (not (or gnus-description-hashtb
- (gnus-read-all-descriptions-files)))
- (error "Couldn't request descriptions file"))
- (gnus-group-apropos regexp t))
-
-;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
-(defun gnus-group-list-matching (level regexp &optional all lowest)
- "List all groups with unread articles that match REGEXP.
-If the prefix LEVEL is non-nil, it should be a number that says which
-level to cut off listing groups.
-If ALL, also list groups with no unread articles.
-If LOWEST, don't list groups with level lower than LOWEST."
- (interactive "P\nsList newsgroups matching: ")
- (gnus-group-prepare-flat (or level gnus-level-subscribed)
- all (or lowest 1) regexp)
- (goto-char (point-min))
- (gnus-group-position-point))
-
-(defun gnus-group-list-all-matching (level regexp &optional lowest)
- "List all groups that match REGEXP.
-If the prefix LEVEL is non-nil, it should be a number that says which
-level to cut off listing groups.
-If LOWEST, don't list groups with level lower than LOWEST."
- (interactive "P\nsList newsgroups matching: ")
- (gnus-group-list-matching (or level gnus-level-killed) regexp t lowest))
-
-;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
-(defun gnus-group-save-newsrc (&optional force)
- "Save the Gnus startup files.
-If FORCE, force saving whether it is necessary or not."
- (interactive "P")
- (gnus-save-newsrc-file force))
-
-(defun gnus-group-restart (&optional arg)
- "Force Gnus to read the .newsrc file."
- (interactive "P")
- (gnus-save-newsrc-file)
- (gnus-setup-news 'force)
- (gnus-group-list-groups arg))
-
-(defun gnus-group-read-init-file ()
- "Read the Gnus elisp init file."
- (interactive)
- (gnus-read-init-file))
-
-(defun gnus-group-check-bogus-groups (&optional silent)
- "Check bogus newsgroups.
-If given a prefix, don't ask for confirmation before removing a bogus
-group."
- (interactive "P")
- (gnus-check-bogus-newsgroups (and (not silent) (not gnus-expert-user)))
- (gnus-group-list-groups))
-
-(defun gnus-group-edit-global-kill (&optional article group)
- "Edit the global kill file.
-If GROUP, edit that local kill file instead."
- (interactive "P")
- (setq gnus-current-kill-article article)
- (gnus-kill-file-edit-file group)
- (gnus-message
- 6
- (substitute-command-keys
- (format "Editing a %s kill file (Type \\[gnus-kill-file-exit] to exit)"
- (if group "local" "global")))))
-
-(defun gnus-group-edit-local-kill (article group)
- "Edit a local kill file."
- (interactive (list nil (gnus-group-group-name)))
- (gnus-group-edit-global-kill article group))
-
-(defun gnus-group-force-update ()
- "Update `.newsrc' file."
- (interactive)
- (gnus-save-newsrc-file))
-
-(defun gnus-group-suspend ()
- "Suspend the current Gnus session.
-In fact, cleanup buffers except for group mode buffer.
-The hook gnus-suspend-gnus-hook is called before actually suspending."
- (interactive)
- (run-hooks 'gnus-suspend-gnus-hook)
- ;; Kill Gnus buffers except for group mode buffer.
- (let ((group-buf (get-buffer gnus-group-buffer)))
- ;; Do this on a separate list in case the user does a ^G before we finish
- (let ((gnus-buffer-list
- (delq group-buf (delq gnus-dribble-buffer
- (append gnus-buffer-list nil)))))
- (while gnus-buffer-list
- (gnus-kill-buffer (car gnus-buffer-list))
- (setq gnus-buffer-list (cdr gnus-buffer-list))))
- (if group-buf
- (progn
- (setq gnus-buffer-list (list group-buf))
- (bury-buffer group-buf)
- (delete-windows-on group-buf t)))))
-
-(defun gnus-group-clear-dribble ()
- "Clear all information from the dribble buffer."
- (interactive)
- (gnus-dribble-clear)
- (gnus-message 7 "Cleared dribble buffer"))
-
-(defun gnus-group-exit ()
- "Quit reading news after updating .newsrc.eld and .newsrc.
-The hook `gnus-exit-gnus-hook' is called before actually exiting."
- (interactive)
- (when
- (or noninteractive ;For gnus-batch-kill
- (not (gnus-server-opened gnus-select-method)) ;NNTP connection closed
- (not gnus-interactive-exit) ;Without confirmation
- gnus-expert-user
- (gnus-y-or-n-p "Are you sure you want to quit reading news? "))
- (run-hooks 'gnus-exit-gnus-hook)
- ;; Close down GroupLens.
- (when gnus-use-grouplens
- (bbb-logout))
- ;; Offer to save data from non-quitted summary buffers.
- (gnus-offer-save-summaries)
- ;; Save the newsrc file(s).
- (gnus-save-newsrc-file)
- ;; Kill-em-all.
- (gnus-close-backends)
- ;; Shut down the cache.
- (when gnus-use-cache
- (gnus-cache-close))
- ;; Reset everything.
- (gnus-clear-system)
- ;; Allow the user to do things after cleaning up.
- (run-hooks 'gnus-after-exiting-gnus-hook)))
-
-(defun gnus-close-backends ()
- ;; Send a close request to all backends that support such a request.
- (let ((methods gnus-valid-select-methods)
- func)
- (while methods
- (if (fboundp (setq func (intern (concat (car (car methods))
- "-request-close"))))
- (funcall func))
- (setq methods (cdr methods)))))
-
-(defun gnus-group-quit ()
- "Quit reading news without updating .newsrc.eld or .newsrc.
-The hook `gnus-exit-gnus-hook' is called before actually exiting."
- (interactive)
- (when (or noninteractive ;For gnus-batch-kill
- (zerop (buffer-size))
- (not (gnus-server-opened gnus-select-method))
- gnus-expert-user
- (not gnus-current-startup-file)
- (gnus-yes-or-no-p
- (format "Quit reading news without saving %s? "
- (file-name-nondirectory gnus-current-startup-file))))
- (run-hooks 'gnus-exit-gnus-hook)
- (if gnus-use-full-window
- (delete-other-windows)
- (gnus-remove-some-windows))
- (gnus-dribble-save)
- (gnus-close-backends)
- ;; Shut down the cache.
- (when gnus-use-cache
- (gnus-cache-close))
- (gnus-clear-system)
- ;; Allow the user to do things after cleaning up.
- (run-hooks 'gnus-after-exiting-gnus-hook)))
-
-(defun gnus-offer-save-summaries ()
- "Offer to save all active summary buffers."
- (save-excursion
- (let ((buflist (buffer-list))
- buffers bufname)
- ;; Go through all buffers and find all summaries.
- (while buflist
- (and (setq bufname (buffer-name (car buflist)))
- (string-match "Summary" bufname)
- (save-excursion
- (set-buffer bufname)
- ;; We check that this is, indeed, a summary buffer.
- (and (eq major-mode 'gnus-summary-mode)
- ;; Also make sure this isn't bogus.
- gnus-newsgroup-prepared))
- (push bufname buffers))
- (setq buflist (cdr buflist)))
- ;; Go through all these summary buffers and offer to save them.
- (when buffers
- (map-y-or-n-p
- "Update summary buffer %s? "
- (lambda (buf) (set-buffer buf) (gnus-summary-exit))
- buffers)))))
-
-(defun gnus-group-describe-briefly ()
- "Give a one line description of the group mode commands."
- (interactive)
- (gnus-message 7 (substitute-command-keys "\\<gnus-group-mode-map>\\[gnus-group-read-group]:Select \\[gnus-group-next-unread-group]:Forward \\[gnus-group-prev-unread-group]:Backward \\[gnus-group-exit]:Exit \\[gnus-info-find-node]:Run Info \\[gnus-group-describe-briefly]:This help")))
-
-(defun gnus-group-browse-foreign-server (method)
- "Browse a foreign news server.
-If called interactively, this function will ask for a select method
- (nntp, nnspool, etc.) and a server address (eg. nntp.some.where).
-If not, METHOD should be a list where the first element is the method
-and the second element is the address."
- (interactive
- (list (let ((how (completing-read
- "Which backend: "
- (append gnus-valid-select-methods gnus-server-alist)
- nil t (cons "nntp" 0))))
- ;; We either got a backend name or a virtual server name.
- ;; If the first, we also need an address.
- (if (assoc how gnus-valid-select-methods)
- (list (intern how)
- ;; Suggested by mapjph@bath.ac.uk.
- (completing-read
- "Address: "
- (mapcar (lambda (server) (list server))
- gnus-secondary-servers)))
- ;; We got a server name, so we find the method.
- (gnus-server-to-method how)))))
- (gnus-browse-foreign-server method))
-
-\f
-;;;
-;;; Gnus summary mode
-;;;
-
-(defvar gnus-summary-mode-map nil)
-
-(put 'gnus-summary-mode 'mode-class 'special)
-
-(unless gnus-summary-mode-map
- (setq gnus-summary-mode-map (make-keymap))
- (suppress-keymap gnus-summary-mode-map)
-
- ;; Non-orthogonal keys
-
- (gnus-define-keys
- gnus-summary-mode-map
- " " gnus-summary-next-page
- "\177" gnus-summary-prev-page
- [delete] gnus-summary-prev-page
- "\r" gnus-summary-scroll-up
- "n" gnus-summary-next-unread-article
- "p" gnus-summary-prev-unread-article
- "N" gnus-summary-next-article
- "P" gnus-summary-prev-article
- "\M-\C-n" gnus-summary-next-same-subject
- "\M-\C-p" gnus-summary-prev-same-subject
- "\M-n" gnus-summary-next-unread-subject
- "\M-p" gnus-summary-prev-unread-subject
- "." gnus-summary-first-unread-article
- "," gnus-summary-best-unread-article
- "\M-s" gnus-summary-search-article-forward
- "\M-r" gnus-summary-search-article-backward
- "<" gnus-summary-beginning-of-article
- ">" gnus-summary-end-of-article
- "j" gnus-summary-goto-article
- "^" gnus-summary-refer-parent-article
- "\M-^" gnus-summary-refer-article
- "u" gnus-summary-tick-article-forward
- "!" gnus-summary-tick-article-forward
- "U" gnus-summary-tick-article-backward
- "d" gnus-summary-mark-as-read-forward
- "D" gnus-summary-mark-as-read-backward
- "E" gnus-summary-mark-as-expirable
- "\M-u" gnus-summary-clear-mark-forward
- "\M-U" gnus-summary-clear-mark-backward
- "k" gnus-summary-kill-same-subject-and-select
- "\C-k" gnus-summary-kill-same-subject
- "\M-\C-k" gnus-summary-kill-thread
- "\M-\C-l" gnus-summary-lower-thread
- "e" gnus-summary-edit-article
- "#" gnus-summary-mark-as-processable
- "\M-#" gnus-summary-unmark-as-processable
- "\M-\C-t" gnus-summary-toggle-threads
- "\M-\C-s" gnus-summary-show-thread
- "\M-\C-h" gnus-summary-hide-thread
- "\M-\C-f" gnus-summary-next-thread
- "\M-\C-b" gnus-summary-prev-thread
- "\M-\C-u" gnus-summary-up-thread
- "\M-\C-d" gnus-summary-down-thread
- "&" gnus-summary-execute-command
- "c" gnus-summary-catchup-and-exit
- "\C-w" gnus-summary-mark-region-as-read
- "\C-t" gnus-summary-toggle-truncation
- "?" gnus-summary-mark-as-dormant
- "\C-c\M-\C-s" gnus-summary-limit-include-expunged
- "\C-c\C-s\C-n" gnus-summary-sort-by-number
- "\C-c\C-s\C-a" gnus-summary-sort-by-author
- "\C-c\C-s\C-s" gnus-summary-sort-by-subject
- "\C-c\C-s\C-d" gnus-summary-sort-by-date
- "\C-c\C-s\C-i" gnus-summary-sort-by-score
- "=" gnus-summary-expand-window
- "\C-x\C-s" gnus-summary-reselect-current-group
- "\M-g" gnus-summary-rescan-group
- "w" gnus-summary-stop-page-breaking
- "\C-c\C-r" gnus-summary-caesar-message
- "\M-t" gnus-summary-toggle-mime
- "f" gnus-summary-followup
- "F" gnus-summary-followup-with-original
- "C" gnus-summary-cancel-article
- "r" gnus-summary-reply
- "R" gnus-summary-reply-with-original
- "\C-c\C-f" gnus-summary-mail-forward
- "o" gnus-summary-save-article
- "\C-o" gnus-summary-save-article-mail
- "|" gnus-summary-pipe-output
- "\M-k" gnus-summary-edit-local-kill
- "\M-K" gnus-summary-edit-global-kill
- "V" gnus-version
- "\C-c\C-d" gnus-summary-describe-group
- "q" gnus-summary-exit
- "Q" gnus-summary-exit-no-update
- "\C-c\C-i" gnus-info-find-node
- gnus-mouse-2 gnus-mouse-pick-article
- "m" gnus-summary-mail-other-window
- "a" gnus-summary-post-news
- "x" gnus-summary-limit-to-unread
- "s" gnus-summary-isearch-article
- "t" gnus-article-hide-headers
- "g" gnus-summary-show-article
- "l" gnus-summary-goto-last-article
- "\C-c\C-v\C-v" gnus-uu-decode-uu-view
- "\C-d" gnus-summary-enter-digest-group
- "\C-c\C-b" gnus-bug
- "*" gnus-cache-enter-article
- "\M-*" gnus-cache-remove-article
- "\M-&" gnus-summary-universal-argument
- "\C-l" gnus-recenter
- "I" gnus-summary-increase-score
- "L" gnus-summary-lower-score
-
- "V" gnus-summary-score-map
- "X" gnus-uu-extract-map
- "S" gnus-summary-send-map)
-
- ;; Sort of orthogonal keymap
- (gnus-define-keys
- (gnus-summary-mark-map "M" gnus-summary-mode-map)
- "t" gnus-summary-tick-article-forward
- "!" gnus-summary-tick-article-forward
- "d" gnus-summary-mark-as-read-forward
- "r" gnus-summary-mark-as-read-forward
- "c" gnus-summary-clear-mark-forward
- " " gnus-summary-clear-mark-forward
- "e" gnus-summary-mark-as-expirable
- "x" gnus-summary-mark-as-expirable
- "?" gnus-summary-mark-as-dormant
- "b" gnus-summary-set-bookmark
- "B" gnus-summary-remove-bookmark
- "#" gnus-summary-mark-as-processable
- "\M-#" gnus-summary-unmark-as-processable
- "S" gnus-summary-limit-include-expunged
- "C" gnus-summary-catchup
- "H" gnus-summary-catchup-to-here
- "\C-c" gnus-summary-catchup-all
- "k" gnus-summary-kill-same-subject-and-select
- "K" gnus-summary-kill-same-subject
- "P" gnus-uu-mark-map)
-
- (gnus-define-keys
- (gnus-summary-mscore-map "V" gnus-summary-mode-map)
- "c" gnus-summary-clear-above
- "u" gnus-summary-tick-above
- "m" gnus-summary-mark-above
- "k" gnus-summary-kill-below)
-
- (gnus-define-keys
- (gnus-summary-limit-map "/" gnus-summary-mode-map)
- "/" gnus-summary-limit-to-subject
- "n" gnus-summary-limit-to-articles
- "w" gnus-summary-pop-limit
- "s" gnus-summary-limit-to-subject
- "a" gnus-summary-limit-to-author
- "u" gnus-summary-limit-to-unread
- "m" gnus-summary-limit-to-marks
- "v" gnus-summary-limit-to-score
- "D" gnus-summary-limit-include-dormant
- "d" gnus-summary-limit-exclude-dormant
-;; "t" gnus-summary-limit-exclude-thread
- "E" gnus-summary-limit-include-expunged
- "c" gnus-summary-limit-exclude-childless-dormant
- "C" gnus-summary-limit-mark-excluded-as-read)
-
- (gnus-define-keys
- (gnus-summary-goto-map "G" gnus-summary-mode-map)
- "n" gnus-summary-next-unread-article
- "p" gnus-summary-prev-unread-article
- "N" gnus-summary-next-article
- "P" gnus-summary-prev-article
- "\C-n" gnus-summary-next-same-subject
- "\C-p" gnus-summary-prev-same-subject
- "\M-n" gnus-summary-next-unread-subject
- "\M-p" gnus-summary-prev-unread-subject
- "f" gnus-summary-first-unread-article
- "b" gnus-summary-best-unread-article
- "g" gnus-summary-goto-subject
- "l" gnus-summary-goto-last-article
- "p" gnus-summary-pop-article)
-
- (gnus-define-keys
- (gnus-summary-thread-map "T" gnus-summary-mode-map)
- "k" gnus-summary-kill-thread
- "l" gnus-summary-lower-thread
- "i" gnus-summary-raise-thread
- "T" gnus-summary-toggle-threads
- "t" gnus-summary-rethread-current
- "^" gnus-summary-reparent-thread
- "s" gnus-summary-show-thread
- "S" gnus-summary-show-all-threads
- "h" gnus-summary-hide-thread
- "H" gnus-summary-hide-all-threads
- "n" gnus-summary-next-thread
- "p" gnus-summary-prev-thread
- "u" gnus-summary-up-thread
- "o" gnus-summary-top-thread
- "d" gnus-summary-down-thread
- "#" gnus-uu-mark-thread
- "\M-#" gnus-uu-unmark-thread)
-
- (gnus-define-keys
- (gnus-summary-exit-map "Z" gnus-summary-mode-map)
- "c" gnus-summary-catchup-and-exit
- "C" gnus-summary-catchup-all-and-exit
- "E" gnus-summary-exit-no-update
- "Q" gnus-summary-exit
- "Z" gnus-summary-exit
- "n" gnus-summary-catchup-and-goto-next-group
- "R" gnus-summary-reselect-current-group
- "G" gnus-summary-rescan-group
- "N" gnus-summary-next-group
- "P" gnus-summary-prev-group)
-
- (gnus-define-keys
- (gnus-summary-article-map "A" gnus-summary-mode-map)
- " " gnus-summary-next-page
- "n" gnus-summary-next-page
- "\177" gnus-summary-prev-page
- [delete] gnus-summary-prev-page
- "p" gnus-summary-prev-page
- "\r" gnus-summary-scroll-up
- "<" gnus-summary-beginning-of-article
- ">" gnus-summary-end-of-article
- "b" gnus-summary-beginning-of-article
- "e" gnus-summary-end-of-article
- "^" gnus-summary-refer-parent-article
- "r" gnus-summary-refer-parent-article
- "R" gnus-summary-refer-references
- "g" gnus-summary-show-article
- "s" gnus-summary-isearch-article)
-
- (gnus-define-keys
- (gnus-summary-wash-map "W" gnus-summary-mode-map)
- "b" gnus-article-add-buttons
- "B" gnus-article-add-buttons-to-head
- "o" gnus-article-treat-overstrike
-;; "w" gnus-article-word-wrap
- "w" gnus-article-fill-cited-article
- "c" gnus-article-remove-cr
- "L" gnus-article-remove-trailing-blank-lines
- "q" gnus-article-de-quoted-unreadable
- "f" gnus-article-display-x-face
- "l" gnus-summary-stop-page-breaking
- "r" gnus-summary-caesar-message
- "t" gnus-article-hide-headers
- "v" gnus-summary-verbose-headers
- "m" gnus-summary-toggle-mime)
-
- (gnus-define-keys
- (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
- "a" gnus-article-hide
- "h" gnus-article-hide-headers
- "b" gnus-article-hide-boring-headers
- "s" gnus-article-hide-signature
- "c" gnus-article-hide-citation
- "p" gnus-article-hide-pgp
- "\C-c" gnus-article-hide-citation-maybe)
-
- (gnus-define-keys
- (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
- "a" gnus-article-highlight
- "h" gnus-article-highlight-headers
- "c" gnus-article-highlight-citation
- "s" gnus-article-highlight-signature)
-
- (gnus-define-keys
- (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
- "z" gnus-article-date-ut
- "u" gnus-article-date-ut
- "l" gnus-article-date-local
- "e" gnus-article-date-lapsed
- "o" gnus-article-date-original)
-
- (gnus-define-keys
- (gnus-summary-help-map "H" gnus-summary-mode-map)
- "v" gnus-version
- "f" gnus-summary-fetch-faq
- "d" gnus-summary-describe-group
- "h" gnus-summary-describe-briefly
- "i" gnus-info-find-node)
-
- (gnus-define-keys
- (gnus-summary-backend-map "B" gnus-summary-mode-map)
- "e" gnus-summary-expire-articles
- "\M-\C-e" gnus-summary-expire-articles-now
- "\177" gnus-summary-delete-article
- [delete] gnus-summary-delete-article
- "m" gnus-summary-move-article
- "r" gnus-summary-respool-article
- "w" gnus-summary-edit-article
- "c" gnus-summary-copy-article
- "B" gnus-summary-crosspost-article
- "q" gnus-summary-respool-query
- "i" gnus-summary-import-article)
-
- (gnus-define-keys
- (gnus-summary-save-map "O" gnus-summary-mode-map)
- "o" gnus-summary-save-article
- "m" gnus-summary-save-article-mail
- "r" gnus-summary-save-article-rmail
- "f" gnus-summary-save-article-file
- "b" gnus-summary-save-article-body-file
- "h" gnus-summary-save-article-folder
- "v" gnus-summary-save-article-vm
- "p" gnus-summary-pipe-output
- "s" gnus-soup-add-article)
- )
-
-\f
-
-(defun gnus-summary-mode (&optional group)
- "Major mode for reading articles.
-
-All normal editing commands are switched off.
-\\<gnus-summary-mode-map>
-Each line in this buffer represents one article. To read an
-article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
-and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
-respectively.
-
-You can also post articles and send mail from this buffer. To
-follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
-of an article, type `\\[gnus-summary-reply]'.
-
-There are approx. one gazillion commands you can execute in this
-buffer; read the info pages for more information (`\\[gnus-info-find-node]').
-
-The following commands are available:
-
-\\{gnus-summary-mode-map}"
- (interactive)
- (when (and menu-bar-mode
- (gnus-visual-p 'summary-menu 'menu))
- (gnus-summary-make-menu-bar))
- (kill-all-local-variables)
- (let ((locals gnus-summary-local-variables))
- (while locals
- (if (consp (car locals))
- (progn
- (make-local-variable (car (car locals)))
- (set (car (car locals)) (eval (cdr (car locals)))))
- (make-local-variable (car locals))
- (set (car locals) nil))
- (setq locals (cdr locals))))
- (gnus-make-thread-indent-array)
- (gnus-simplify-mode-line)
- (setq major-mode 'gnus-summary-mode)
- (setq mode-name "Summary")
- (make-local-variable 'minor-mode-alist)
- (use-local-map gnus-summary-mode-map)
- (buffer-disable-undo (current-buffer))
- (setq buffer-read-only t) ;Disable modification
- (setq truncate-lines t)
- (setq selective-display t)
- (setq selective-display-ellipses t) ;Display `...'
- (setq buffer-display-table gnus-summary-display-table)
- (setq gnus-newsgroup-name group)
- (run-hooks 'gnus-summary-mode-hook))
-
-(defun gnus-summary-make-display-table ()
- ;; Change the display table. Odd characters have a tendency to mess
- ;; up nicely formatted displays - we make all possible glyphs
- ;; display only a single character.
-
- ;; We start from the standard display table, if any.
- (setq gnus-summary-display-table
- (or (copy-sequence standard-display-table)
- (make-display-table)))
- ;; Nix out all the control chars...
- (let ((i 32))
- (while (>= (setq i (1- i)) 0)
- (aset gnus-summary-display-table i [??])))
- ;; ... but not newline and cr, of course. (cr is necessary for the
- ;; selective display).
- (aset gnus-summary-display-table ?\n nil)
- (aset gnus-summary-display-table ?\r nil)
- ;; We nix out any glyphs over 126 that are not set already.
- (let ((i 256))
- (while (>= (setq i (1- i)) 127)
- ;; Only modify if the entry is nil.
- (or (aref gnus-summary-display-table i)
- (aset gnus-summary-display-table i [??])))))
-
-(defun gnus-summary-clear-local-variables ()
- (let ((locals gnus-summary-local-variables))
- (while locals
- (if (consp (car locals))
- (and (vectorp (car (car locals)))
- (set (car (car locals)) nil))
- (and (vectorp (car locals))
- (set (car locals) nil)))
- (setq locals (cdr locals)))))
-
-;; Summary data functions.
-
-(defmacro gnus-data-number (data)
- `(car ,data))
-
-(defmacro gnus-data-set-number (data number)
- `(setcar ,data ,number))
-
-(defmacro gnus-data-mark (data)
- `(nth 1 ,data))
-
-(defmacro gnus-data-set-mark (data mark)
- `(setcar (nthcdr 1 ,data) ,mark))
-
-(defmacro gnus-data-pos (data)
- `(nth 2 ,data))
-
-(defmacro gnus-data-set-pos (data pos)
- `(setcar (nthcdr 2 ,data) ,pos))
-
-(defmacro gnus-data-header (data)
- `(nth 3 ,data))
-
-(defmacro gnus-data-level (data)
- `(nth 4 ,data))
-
-(defmacro gnus-data-unread-p (data)
- `(= (nth 1 ,data) gnus-unread-mark))
-
-(defmacro gnus-data-pseudo-p (data)
- `(consp (nth 3 ,data)))
-
-(defmacro gnus-data-find (number)
- `(assq ,number gnus-newsgroup-data))
-
-(defmacro gnus-data-find-list (number &optional data)
- `(let ((bdata ,(or data 'gnus-newsgroup-data)))
- (memq (assq ,number bdata)
- bdata)))
-
-(defmacro gnus-data-make (number mark pos header level)
- `(list ,number ,mark ,pos ,header ,level))
-
-(defun gnus-data-enter (after-article number mark pos header level offset)
- (let ((data (gnus-data-find-list after-article)))
- (or data (error "No such article: %d" after-article))
- (setcdr data (cons (gnus-data-make number mark pos header level)
- (cdr data)))
- (setq gnus-newsgroup-data-reverse nil)
- (gnus-data-update-list (cdr (cdr data)) offset)))
-
-(defun gnus-data-enter-list (after-article list &optional offset)
- (when list
- (let ((data (and after-article (gnus-data-find-list after-article)))
- (ilist list))
- (or data (not after-article) (error "No such article: %d" after-article))
- ;; Find the last element in the list to be spliced into the main
- ;; list.
- (while (cdr list)
- (setq list (cdr list)))
- (if (not data)
- (progn
- (setcdr list gnus-newsgroup-data)
- (setq gnus-newsgroup-data ilist)
- (and offset (gnus-data-update-list (cdr list) offset)))
- (setcdr list (cdr data))
- (setcdr data ilist)
- (and offset (gnus-data-update-list (cdr data) offset)))
- (setq gnus-newsgroup-data-reverse nil))))
-
-(defun gnus-data-remove (article &optional offset)
- (let ((data gnus-newsgroup-data))
- (if (= (gnus-data-number (car data)) article)
- (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
- gnus-newsgroup-data-reverse nil)
- (while (cdr data)
- (and (= (gnus-data-number (car (cdr data))) article)
- (progn
- (setcdr data (cdr (cdr data)))
- (and offset (gnus-data-update-list (cdr data) offset))
- (setq data nil
- gnus-newsgroup-data-reverse nil)))
- (setq data (cdr data))))))
-
-(defmacro gnus-data-list (backward)
- `(if ,backward
- (or gnus-newsgroup-data-reverse
- (setq gnus-newsgroup-data-reverse
- (reverse gnus-newsgroup-data)))
- gnus-newsgroup-data))
-
-(defun gnus-data-update-list (data offset)
- "Add OFFSET to the POS of all data entries in DATA."
- (while data
- (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
- (setq data (cdr data))))
-
-(defun gnus-data-compute-positions ()
- "Compute the positions of all articles."
- (let ((data gnus-newsgroup-data)
- pos)
- (while data
- (when (setq pos (text-property-any
- (point-min) (point-max)
- 'gnus-number (gnus-data-number (car data))))
- (gnus-data-set-pos (car data) (+ pos 3)))
- (setq data (cdr data)))))
-
-(defun gnus-summary-article-pseudo-p (article)
- "Say whether this article is a pseudo article or not."
- (not (vectorp (gnus-data-header (gnus-data-find article)))))
-
-(defun gnus-article-parent-p (number)
- "Say whether this article is a parent or not."
- (let ((data (gnus-data-find-list number)))
- (and (cdr data) ; There has to be an article after...
- (< (gnus-data-level (car data)) ; And it has to have a higher level.
- (gnus-data-level (nth 1 data))))))
-
-(defun gnus-article-children (number)
- "Return a list of all children to NUMBER."
- (let* ((data (gnus-data-find-list number))
- (level (gnus-data-level (car data)))
- children)
- (setq data (cdr data))
- (while (and data
- (= (gnus-data-level (car data)) (1+ level)))
- (push (gnus-data-number (car data)) children)
- (setq data (cdr data)))
- children))
-
-(defmacro gnus-summary-skip-intangible ()
- "If the current article is intangible, then jump to a different article."
- '(let ((to (get-text-property (point) 'gnus-intangible)))
- (and to (gnus-summary-goto-subject to))))
-
-(defmacro gnus-summary-article-intangible-p ()
- "Say whether this article is intangible or not."
- '(get-text-property (point) 'gnus-intangible))
-
-;; Some summary mode macros.
-
-(defmacro gnus-summary-article-number ()
- "The article number of the article on the current line.
-If there isn's an article number here, then we return the current
-article number."
- '(progn
- (gnus-summary-skip-intangible)
- (or (get-text-property (point) 'gnus-number)
- (gnus-summary-last-subject))))
-
-(defmacro gnus-summary-article-header (&optional number)
- `(gnus-data-header (gnus-data-find
- ,(or number '(gnus-summary-article-number)))))
-
-(defmacro gnus-summary-thread-level (&optional number)
- `(if (and (eq gnus-summary-make-false-root 'dummy)
- (get-text-property (point) 'gnus-intangible))
- 0
- (gnus-data-level (gnus-data-find
- ,(or number '(gnus-summary-article-number))))))
-
-(defmacro gnus-summary-article-mark (&optional number)
- `(gnus-data-mark (gnus-data-find
- ,(or number '(gnus-summary-article-number)))))
-
-(defmacro gnus-summary-article-pos (&optional number)
- `(gnus-data-pos (gnus-data-find
- ,(or number '(gnus-summary-article-number)))))
-
-(defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
-(defmacro gnus-summary-article-subject (&optional number)
- "Return current subject string or nil if nothing."
- `(let ((headers
- ,(if number
- `(gnus-data-header (assq ,number gnus-newsgroup-data))
- '(gnus-data-header (assq (gnus-summary-article-number)
- gnus-newsgroup-data)))))
- (and headers
- (vectorp headers)
- (mail-header-subject headers))))
-
-(defmacro gnus-summary-article-score (&optional number)
- "Return current article score."
- `(or (cdr (assq ,(or number '(gnus-summary-article-number))
- gnus-newsgroup-scored))
- gnus-summary-default-score 0))
-
-(defun gnus-summary-article-children (&optional number)
- (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
- (level (gnus-data-level (car data)))
- l children)
- (while (and (setq data (cdr data))
- (> (setq l (gnus-data-level (car data))) level))
- (and (= (1+ level) l)
- (setq children (cons (gnus-data-number (car data))
- children))))
- (nreverse children)))
-
-(defun gnus-summary-article-parent (&optional number)
- (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
- (gnus-data-list t)))
- (level (gnus-data-level (car data)))
- l)
- (if (zerop level)
- () ; This is a root.
- ;; We search until we find an article with a level less than
- ;; this one. That function has to be the parent.
- (while (and (setq data (cdr data))
- (not (< (gnus-data-level (car data)) level))))
- (and data (gnus-data-number (car data))))))
-
-(defun gnus-unread-mark-p (mark)
- "Say whether MARK is the unread mark."
- (= mark gnus-unread-mark))
-
-(defun gnus-read-mark-p (mark)
- "Say whether MARK is one of the marks that mark as read.
-This is all marks except unread, ticked, dormant, and expirable."
- (not (or (= mark gnus-unread-mark)
- (= mark gnus-ticked-mark)
- (= mark gnus-dormant-mark)
- (= mark gnus-expirable-mark))))
-
-;; Various summary mode internalish functions.
-
-(defun gnus-mouse-pick-article (e)
- (interactive "e")
- (mouse-set-point e)
- (gnus-summary-next-page nil t))
-
-(defun gnus-summary-setup-buffer (group)
- "Initialize summary buffer."
- (let ((buffer (concat "*Summary " group "*")))
- (if (get-buffer buffer)
- (progn
- (set-buffer buffer)
- (setq gnus-summary-buffer (current-buffer))
- (not gnus-newsgroup-prepared))
- ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
- (setq gnus-summary-buffer (set-buffer (get-buffer-create buffer)))
- (gnus-add-current-to-buffer-list)
- (gnus-summary-mode group)
- (when gnus-carpal
- (gnus-carpal-setup-buffer 'summary))
- (unless gnus-single-article-buffer
- (make-local-variable 'gnus-article-buffer)
- (make-local-variable 'gnus-original-article-buffer))
- (setq gnus-newsgroup-name group)
- t)))
-
-(defun gnus-set-global-variables ()
- ;; Set the global equivalents of the summary buffer-local variables
- ;; to the latest values they had. These reflect the summary buffer
- ;; that was in action when the last article was fetched.
- (when (eq major-mode 'gnus-summary-mode)
- (setq gnus-summary-buffer (current-buffer))
- (let ((name gnus-newsgroup-name)
- (marked gnus-newsgroup-marked)
- (unread gnus-newsgroup-unreads)
- (headers gnus-current-headers)
- (data gnus-newsgroup-data)
- (article-buffer gnus-article-buffer)
- (original gnus-original-article-buffer)
- (score-file gnus-current-score-file))
- (save-excursion
- (set-buffer gnus-group-buffer)
- (setq gnus-newsgroup-name name)
- (setq gnus-newsgroup-marked marked)
- (setq gnus-newsgroup-unreads unread)
- (setq gnus-current-headers headers)
- (setq gnus-newsgroup-data data)
- (setq gnus-article-buffer article-buffer)
- (setq gnus-original-article-buffer original)
- (setq gnus-current-score-file score-file)))))
-
-(defun gnus-summary-last-article-p (&optional article)
- "Return whether ARTICLE is the last article in the buffer."
- (if (not (setq article (or article (gnus-summary-article-number))))
- t ; All non-existant numbers are the last article. :-)
- (cdr (gnus-data-find-list article))))
-
-(defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
- "Insert a dummy root in the summary buffer."
- (beginning-of-line)
- (add-text-properties
- (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
- (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
-
-(defvar gnus-thread-indent-array nil)
-(defvar gnus-thread-indent-array-level gnus-thread-indent-level)
-(defun gnus-make-thread-indent-array ()
- (let ((n 200))
- (if (and gnus-thread-indent-array
- (= gnus-thread-indent-level gnus-thread-indent-array-level))
- nil
- (setq gnus-thread-indent-array (make-vector 201 "")
- gnus-thread-indent-array-level gnus-thread-indent-level)
- (while (>= n 0)
- (aset gnus-thread-indent-array n
- (make-string (* n gnus-thread-indent-level) ? ))
- (setq n (1- n))))))
-
-(defun gnus-summary-insert-line
- (gnus-tmp-header gnus-tmp-level gnus-tmp-current gnus-tmp-unread
- gnus-tmp-replied gnus-tmp-expirable gnus-tmp-subject-or-nil
- &optional gnus-tmp-dummy gnus-tmp-score gnus-tmp-process)
- (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
- (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
- (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
- (gnus-tmp-score-char
- (if (or (null gnus-summary-default-score)
- (<= (abs (- gnus-tmp-score gnus-summary-default-score))
- gnus-summary-zcore-fuzz)) ?
- (if (< gnus-tmp-score gnus-summary-default-score)
- gnus-score-below-mark gnus-score-over-mark)))
- (gnus-tmp-replied (cond (gnus-tmp-process gnus-process-mark)
- ((memq gnus-tmp-current gnus-newsgroup-cached)
- gnus-cached-mark)
- (gnus-tmp-replied gnus-replied-mark)
- ((memq gnus-tmp-current gnus-newsgroup-saved)
- gnus-saved-mark)
- (t gnus-unread-mark)))
- (gnus-tmp-from (mail-header-from gnus-tmp-header))
- (gnus-tmp-name
- (cond
- ((string-match "(.+)" gnus-tmp-from)
- (substring gnus-tmp-from
- (1+ (match-beginning 0)) (1- (match-end 0))))
- ((string-match "<[^>]+> *$" gnus-tmp-from)
- (let ((beg (match-beginning 0)))
- (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
- (substring gnus-tmp-from (1+ (match-beginning 0))
- (1- (match-end 0))))
- (substring gnus-tmp-from 0 beg))))
- (t gnus-tmp-from)))
- (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
- (gnus-tmp-number (mail-header-number gnus-tmp-header))
- (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
- (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
- (buffer-read-only nil))
- (when (string= gnus-tmp-name "")
- (setq gnus-tmp-name gnus-tmp-from))
- (or (numberp gnus-tmp-lines) (setq gnus-tmp-lines 0))
- (put-text-property
- (point)
- (progn (eval gnus-summary-line-format-spec) (point))
- 'gnus-number gnus-tmp-number)
- (when (gnus-visual-p 'summary-highlight 'highlight)
- (forward-line -1)
- (run-hooks 'gnus-summary-update-hook)
- (forward-line 1))))
-
-(defun gnus-summary-update-line (&optional dont-update)
- ;; Update summary line after change.
- (when (and gnus-summary-default-score
- (not gnus-summary-inhibit-highlight))
- (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
- (article (gnus-summary-article-number))
- (score (gnus-summary-article-score article)))
- (unless dont-update
- (if (and gnus-summary-mark-below
- (< (gnus-summary-article-score)
- gnus-summary-mark-below))
- ;; This article has a low score, so we mark it as read.
- (when (memq article gnus-newsgroup-unreads)
- (gnus-summary-mark-article-as-read gnus-low-score-mark))
- (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
- ;; This article was previously marked as read on account
- ;; of a low score, but now it has risen, so we mark it as
- ;; unread.
- (gnus-summary-mark-article-as-unread gnus-unread-mark)))
- (gnus-summary-update-mark
- (if (or (null gnus-summary-default-score)
- (<= (abs (- score gnus-summary-default-score))
- gnus-summary-zcore-fuzz)) ?
- (if (< score gnus-summary-default-score)
- gnus-score-below-mark gnus-score-over-mark)) 'score))
- ;; Do visual highlighting.
- (when (gnus-visual-p 'summary-highlight 'highlight)
- (run-hooks 'gnus-summary-update-hook)))))
-
-(defvar gnus-tmp-new-adopts nil)
-
-(defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
- ;; Sum up all elements (and sub-elements) in a list.
- (let* ((number
- ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
- (cond
- ((and (consp thread) (cdr thread))
- (apply
- '+ 1 (mapcar
- 'gnus-summary-number-of-articles-in-thread (cdr thread))))
- ((null thread)
- 1)
- ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
- 1)
- (t 1))))
- (when (and level (zerop level) gnus-tmp-new-adopts)
- (incf number
- (apply '+ (mapcar
- 'gnus-summary-number-of-articles-in-thread
- gnus-tmp-new-adopts))))
- (if char
- (if (> number 1) gnus-not-empty-thread-mark
- gnus-empty-thread-mark)
- number)))
-
-(defun gnus-summary-set-local-parameters (group)
- "Go through the local params of GROUP and set all variable specs in that list."
- (let ((params (gnus-info-params (gnus-get-info group)))
- elem)
- (while params
- (setq elem (car params)
- params (cdr params))
- (and (consp elem) ; Has to be a cons.
- (consp (cdr elem)) ; The cdr has to be a list.
- (symbolp (car elem)) ; Has to be a symbol in there.
- (not (memq (car elem)
- '(quit-config to-address to-list to-group)))
- (progn ; So we set it.
- (make-local-variable (car elem))
- (set (car elem) (eval (nth 1 elem))))))))
-
-(defun gnus-summary-read-group
- (group &optional show-all no-article kill-buffer no-display)
- "Start reading news in newsgroup GROUP.
-If SHOW-ALL is non-nil, already read articles are also listed.
-If NO-ARTICLE is non-nil, no article is selected initially.
-If NO-DISPLAY, don't generate a summary buffer."
- (gnus-message 5 "Retrieving newsgroup: %s..." group)
- (let* ((new-group (gnus-summary-setup-buffer group))
- (quit-config (gnus-group-quit-config group))
- (did-select (and new-group (gnus-select-newsgroup group show-all))))
- (cond
- ;; This summary buffer exists already, so we just select it.
- ((not new-group)
- (gnus-set-global-variables)
- (when kill-buffer
- (gnus-kill-or-deaden-summary kill-buffer))
- (gnus-configure-windows 'summary 'force)
- (gnus-set-mode-line 'summary)
- (gnus-summary-position-point)
- (message "")
- t)
- ;; We couldn't select this group.
- ((null did-select)
- (when (and (eq major-mode 'gnus-summary-mode)
- (not (equal (current-buffer) kill-buffer)))
- (kill-buffer (current-buffer))
- (if (not quit-config)
- (progn
- (set-buffer gnus-group-buffer)
- (gnus-group-jump-to-group group)
- (gnus-group-next-unread-group 1))
- (if (not (buffer-name (car quit-config)))
- (gnus-configure-windows 'group 'force)
- (set-buffer (car quit-config))
- (and (eq major-mode 'gnus-summary-mode)
- (gnus-set-global-variables))
- (gnus-configure-windows (cdr quit-config)))))
- (gnus-message 3 "Can't select group")
- nil)
- ;; The user did a `C-g' while prompting for number of articles,
- ;; so we exit this group.
- ((eq did-select 'quit)
- (and (eq major-mode 'gnus-summary-mode)
- (not (equal (current-buffer) kill-buffer))
- (kill-buffer (current-buffer)))
- (when kill-buffer
- (gnus-kill-or-deaden-summary kill-buffer))
- (if (not quit-config)
- (progn
- (set-buffer gnus-group-buffer)
- (gnus-group-jump-to-group group)
- (gnus-group-next-unread-group 1)
- (gnus-configure-windows 'group 'force))
- (if (not (buffer-name (car quit-config)))
- (gnus-configure-windows 'group 'force)
- (set-buffer (car quit-config))
- (and (eq major-mode 'gnus-summary-mode)
- (gnus-set-global-variables))
- (gnus-configure-windows (cdr quit-config))))
- ;; Finally signal the quit.
- (signal 'quit nil))
- ;; The group was successfully selected.
- (t
- (gnus-set-global-variables)
- ;; Save the active value in effect when the group was entered.
- (setq gnus-newsgroup-active
- (gnus-copy-sequence
- (gnus-active gnus-newsgroup-name)))
- ;; You can change the summary buffer in some way with this hook.
- (run-hooks 'gnus-select-group-hook)
- ;; Set any local variables in the group parameters.
- (gnus-summary-set-local-parameters gnus-newsgroup-name)
- (gnus-update-format-specifications)
- ;; Do score processing.
- (when gnus-use-scoring
- (gnus-possibly-score-headers))
- ;; Check whether to fill in the gaps in the threads.
- (when gnus-build-sparse-threads
- (gnus-build-sparse-threads))
- ;; Find the initial limit.
- (if show-all
- (let ((gnus-newsgroup-dormant nil))
- (gnus-summary-initial-limit show-all))
- (gnus-summary-initial-limit show-all))
- ;; Generate the summary buffer.
- (unless no-display
- (gnus-summary-prepare))
- (when gnus-use-trees
- (gnus-tree-open group)
- (setq gnus-summary-highlight-line-function
- 'gnus-tree-highlight-article))
- ;; If the summary buffer is empty, but there are some low-scored
- ;; articles or some excluded dormants, we include these in the
- ;; buffer.
- (when (and (zerop (buffer-size))
- (not no-display))
- (cond (gnus-newsgroup-dormant
- (gnus-summary-limit-include-dormant))
- ((and gnus-newsgroup-scored show-all)
- (gnus-summary-limit-include-expunged))))
- ;; Function `gnus-apply-kill-file' must be called in this hook.
- (run-hooks 'gnus-apply-kill-hook)
- (if (and (zerop (buffer-size))
- (not no-display))
- (progn
- ;; This newsgroup is empty.
- (gnus-summary-catchup-and-exit nil t) ;Without confirmations.
- (gnus-message 6 "No unread news")
- (when kill-buffer
- (gnus-kill-or-deaden-summary kill-buffer))
- ;; Return nil from this function.
- nil)
- ;; Hide conversation thread subtrees. We cannot do this in
- ;; gnus-summary-prepare-hook since kill processing may not
- ;; work with hidden articles.
- (and gnus-show-threads
- gnus-thread-hide-subtree
- (gnus-summary-hide-all-threads))
- ;; Show first unread article if requested.
- (if (and (not no-article)
- (not no-display)
- gnus-newsgroup-unreads
- gnus-auto-select-first)
- (if (eq gnus-auto-select-first 'best)
- (gnus-summary-best-unread-article)
- (gnus-summary-first-unread-article))
- ;; Don't select any articles, just move point to the first
- ;; article in the group.
- (goto-char (point-min))
- (gnus-summary-position-point)
- (gnus-set-mode-line 'summary)
- (gnus-configure-windows 'summary 'force))
- ;; If we are in async mode, we send some info to the backend.
- (when gnus-newsgroup-async
- (gnus-request-asynchronous gnus-newsgroup-name gnus-newsgroup-data))
- (when kill-buffer
- (gnus-kill-or-deaden-summary kill-buffer))
- (when (get-buffer-window gnus-group-buffer t)
- ;; Gotta use windows, because recenter does wierd stuff if
- ;; the current buffer ain't the displayed window.
- (let ((owin (selected-window)))
- (select-window (get-buffer-window gnus-group-buffer t))
- (when (gnus-group-goto-group group)
- (recenter))
- (select-window owin))))
- ;; Mark this buffer as "prepared".
- (setq gnus-newsgroup-prepared t)
- t))))
-
-(defun gnus-summary-prepare ()
- "Generate the summary buffer."
- (let ((buffer-read-only nil))
- (erase-buffer)
- (setq gnus-newsgroup-data nil
- gnus-newsgroup-data-reverse nil)
- (run-hooks 'gnus-summary-generate-hook)
- ;; Generate the buffer, either with threads or without.
- (when gnus-newsgroup-headers
- (gnus-summary-prepare-threads
- (if gnus-show-threads
- (gnus-sort-gathered-threads
- (funcall gnus-summary-thread-gathering-function
- (gnus-sort-threads
- (gnus-cut-threads (gnus-make-threads)))))
- ;; Unthreaded display.
- (gnus-sort-articles gnus-newsgroup-headers))))
- (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
- ;; Call hooks for modifying summary buffer.
- (goto-char (point-min))
- (run-hooks 'gnus-summary-prepare-hook)))
-
-(defun gnus-gather-threads-by-subject (threads)
- "Gather threads by looking at Subject headers."
- (if (not gnus-summary-make-false-root)
- threads
- (let ((hashtb (gnus-make-hashtable 1023))
- (prev threads)
- (result threads)
- subject hthread whole-subject)
- (while threads
- (setq whole-subject (mail-header-subject (car (car threads))))
- (if (and gnus-summary-gather-exclude-subject
- (string-match gnus-summary-gather-exclude-subject
- whole-subject))
- () ; We don't want to do anything with this article.
- ;; We simplify the subject before looking it up in the
- ;; hash table.
- (setq subject
- (cond
- ;; Truncate the subject.
- ((numberp gnus-summary-gather-subject-limit)
- (setq subject (gnus-simplify-subject-re whole-subject))
- (if (> (length subject) gnus-summary-gather-subject-limit)
- (substring subject 0 gnus-summary-gather-subject-limit)
- subject))
- ;; Fuzzily simplify it.
- ((eq 'fuzzy gnus-summary-gather-subject-limit)
- (gnus-simplify-subject-fuzzy whole-subject))
- ;; Just remove the leading "Re:".
- (t
- (gnus-simplify-subject-re whole-subject))))
-
- (if (setq hthread (gnus-gethash subject hashtb))
- (progn
- ;; We enter a dummy root into the thread, if we
- ;; haven't done that already.
- (unless (stringp (car (car hthread)))
- (setcar hthread (list whole-subject (car hthread))))
- ;; We add this new gathered thread to this gathered
- ;; thread.
- (setcdr (car hthread)
- (nconc (cdr (car hthread)) (list (car threads))))
- ;; Remove it from the list of threads.
- (setcdr prev (cdr threads))
- (setq threads prev))
- ;; Enter this thread into the hash table.
- (gnus-sethash subject threads hashtb)))
- (setq prev threads)
- (setq threads (cdr threads)))
- result)))
-
-(defun gnus-summary-gather-threads-by-references (threads)
- "Gather threads by looking at References headers."
- (let ((idhashtb (gnus-make-hashtable 1023))
- (thhashtb (gnus-make-hashtable 1023))
- (prev threads)
- (result threads)
- ids references id gthread gid entered)
- (while threads
- (when (setq references (mail-header-references (caar threads)))
- (setq id (mail-header-id (caar threads)))
- (setq ids (gnus-split-references references))
- (setq entered nil)
- (while ids
- (if (not (setq gid (gnus-gethash (car ids) idhashtb)))
- (progn
- (gnus-sethash (car ids) id idhashtb)
- (gnus-sethash id threads thhashtb))
- (setq gthread (gnus-gethash gid thhashtb))
- (unless entered
- ;; We enter a dummy root into the thread, if we
- ;; haven't done that already.
- (unless (stringp (caar gthread))
- (setcar gthread (list (mail-header-subject (caar gthread))
- (car gthread))))
- ;; We add this new gathered thread to this gathered
- ;; thread.
- (setcdr (car gthread)
- (nconc (cdar gthread) (list (car threads)))))
- ;; Add it into the thread hash table.
- (gnus-sethash id gthread thhashtb)
- (setq entered t)
- ;; Remove it from the list of threads.
- (setcdr prev (cdr threads))
- (setq threads prev))
- (setq ids (cdr ids))))
- (setq prev threads)
- (setq threads (cdr threads)))
- result))
-
-(defun gnus-sort-gathered-threads (threads)
- "Sort subtreads inside each gathered thread by article number."
- (let ((result threads))
- (while threads
- (when (stringp (car (car threads)))
- (setcdr (car threads)
- (sort (cdr (car threads)) 'gnus-thread-sort-by-number)))
- (setq threads (cdr threads)))
- result))
-
-(defun gnus-make-threads ()
- "Go through the dependency hashtb and find the roots. Return all threads."
- (let (threads)
- (mapatoms
- (lambda (refs)
- (unless (car (symbol-value refs))
- ;; These threads do not refer back to any other articles,
- ;; so they're roots.
- (setq threads (append (cdr (symbol-value refs)) threads))))
- gnus-newsgroup-dependencies)
- threads))
-
-(defun gnus-build-sparse-threads ()
- (let ((headers gnus-newsgroup-headers)
- (deps gnus-newsgroup-dependencies)
- header references generation relations
- cthread subject child end pthread relation)
- ;; First we create an alist of generations/relations, where
- ;; generations is how much we trust the ralation, and the relation
- ;; is parent/child.
- (gnus-message 7 "Making sparse threads...")
- (save-excursion
- (nnheader-set-temp-buffer " *gnus sparse threads*")
- (while (setq header (pop headers))
- (when (and (setq references (mail-header-references header))
- (not (string= references "")))
- (insert references)
- (setq child (downcase (mail-header-id header))
- subject (mail-header-subject header))
- (setq generation 0)
- (while (search-backward ">" nil t)
- (setq end (1+ (point)))
- (when (search-backward "<" nil t)
- (push (list (incf generation)
- child (setq child (downcase
- (buffer-substring (point) end)))
- subject)
- relations)))
- (push (list (1+ generation) child nil subject) relations)
- (erase-buffer)))
- (kill-buffer (current-buffer)))
- ;; Sort over trustworthiness.
- (setq relations (sort relations (lambda (r1 r2) (< (car r1) (car r2)))))
- (while (setq relation (pop relations))
- (when (if (boundp (setq cthread (intern (cadr relation) deps)))
- (unless (car (symbol-value cthread))
- ;; Make this article the parent of these threads.
- (setcar (symbol-value cthread)
- (vector gnus-reffed-article-number
- (cadddr relation)
- "" ""
- (cadr relation)
- (or (caddr relation) "") 0 0 "")))
- (set cthread (list (vector gnus-reffed-article-number
- (cadddr relation)
- "" "" (cadr relation)
- (or (caddr relation) "") 0 0 ""))))
- (push gnus-reffed-article-number gnus-newsgroup-limit)
- (push gnus-reffed-article-number gnus-newsgroup-sparse)
- (push (cons gnus-reffed-article-number gnus-sparse-mark)
- gnus-newsgroup-reads)
- (decf gnus-reffed-article-number)
- ;; Make this new thread the child of its parent.
- (if (boundp (setq pthread (intern (or (caddr relation) "none") deps)))
- (setcdr (symbol-value pthread)
- (nconc (cdr (symbol-value pthread))
- (list (symbol-value cthread))))
- (set pthread (list nil (symbol-value cthread))))))
- (gnus-message 7 "Making sparse threads...done")))
-
-(defun gnus-build-old-threads ()
- ;; Look at all the articles that refer back to old articles, and
- ;; fetch the headers for the articles that aren't there. This will
- ;; build complete threads - if the roots haven't been expired by the
- ;; server, that is.
- (let (id heads)
- (mapatoms
- (lambda (refs)
- (when (not (car (symbol-value refs)))
- (setq heads (cdr (symbol-value refs)))
- (while heads
- (if (memq (mail-header-number (car (car heads)))
- gnus-newsgroup-dormant)
- (setq heads (cdr heads))
- (setq id (symbol-name refs))
- (while (and (setq id (gnus-build-get-header id))
- (not (car (gnus-gethash
- id gnus-newsgroup-dependencies)))))
- (setq heads nil)))))
- gnus-newsgroup-dependencies)))
-
-(defun gnus-build-get-header (id)
- ;; Look through the buffer of NOV lines and find the header to
- ;; ID. Enter this line into the dependencies hash table, and return
- ;; the id of the parent article (if any).
- (let ((deps gnus-newsgroup-dependencies)
- found header)
- (prog1
- (save-excursion
- (set-buffer nntp-server-buffer)
- (goto-char (point-min))
- (while (and (not found) (search-forward id nil t))
- (beginning-of-line)
- (setq found (looking-at
- (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
- (regexp-quote id))))
- (or found (beginning-of-line 2)))
- (when found
- (let (ref)
- (beginning-of-line)
- (and
- (setq header (gnus-nov-parse-line
- (read (current-buffer)) deps))
- (gnus-parent-id (mail-header-references header))))))
- (when header
- (let ((number (mail-header-number header)))
- (push number gnus-newsgroup-limit)
- (push header gnus-newsgroup-headers)
- (if (memq number gnus-newsgroup-unselected)
- (progn
- (push number gnus-newsgroup-unreads)
- (setq gnus-newsgroup-unselected
- (delq number gnus-newsgroup-unselected)))
- (push number gnus-newsgroup-ancient)))))))
-
-(defun gnus-summary-update-article (article &optional header)
- "Update ARTICLE in the summary buffer."
- (let ((id (mail-header-id (gnus-summary-article-header article)))
- (data (gnus-data-find article)))
- (setcar (gnus-id-to-thread id) nil)
- (gnus-summary-insert-subject id)
- ;; Set the (possibly) new article number in the data structure.
- (gnus-data-set-number data (gnus-id-to-article id))))
-
-(defun gnus-rebuild-thread (id)
- "Rebuild the thread containing ID."
- (let ((dep gnus-newsgroup-dependencies)
- (buffer-read-only nil)
- current headers refs thread art data)
- (if (not gnus-show-threads)
- (setq thread (list (car (gnus-id-to-thread id))))
- ;; Get the thread this article is part of.
- (setq thread (gnus-remove-thread id)))
- (setq current (save-excursion
- (and (zerop (forward-line -1))
- (gnus-summary-article-number))))
- ;; If this is a gathered thread, we have to go some re-gathering.
- (when (stringp (car thread))
- (let ((subject (car thread))
- roots thr)
- (setq thread (cdr thread))
- (while thread
- (unless (memq (setq thr (gnus-id-to-thread
- (gnus-root-id
- (mail-header-id (car (car thread))))))
- roots)
- (push thr roots))
- (setq thread (cdr thread)))
- ;; We now have all (unique) roots.
- (if (= (length roots) 1)
- ;; All the loose roots are now one solid root.
- (setq thread (car roots))
- (setq thread (cons subject (gnus-sort-threads roots))))))
- (let ((beg (point))
- threads)
- ;; We then insert this thread into the summary buffer.
- (let (gnus-newsgroup-data gnus-newsgroup-threads)
- (gnus-summary-prepare-threads (list thread))
- (setq data (nreverse gnus-newsgroup-data))
- (setq threads gnus-newsgroup-threads))
- ;; We splice the new data into the data structure.
- (gnus-data-enter-list current data)
- (gnus-data-compute-positions)
- (setq gnus-newsgroup-threads (nconc threads gnus-newsgroup-threads)))))
-
-(defun gnus-id-to-thread (id)
- "Return the (sub-)thread where ID appears."
- (gnus-gethash (downcase id) gnus-newsgroup-dependencies))
-
-(defun gnus-id-to-article (id)
- "Return the article number of ID."
- (let ((thread (gnus-id-to-thread id)))
- (when thread
- (mail-header-number (car thread)))))
-
-(defun gnus-id-to-header (id)
- "Return the article headers of ID."
- (car (gnus-id-to-thread id)))
-
-(defun gnus-article-displayed-root-p (article)
- "Say whether ARTICLE is a root(ish) article."
- (let ((level (gnus-summary-thread-level article))
- particle)
- (cond
- ((null level) nil)
- ((zerop level) t)
- ((and (= 1 level)
- (null (setq particle (gnus-id-to-article
- (gnus-parent-id
- (mail-header-references
- (gnus-summary-article-header article))))))
- (null (gnus-summary-thread-level particle)))))))
-
-(defun gnus-root-id (id)
- "Return the id of the root of the thread where ID appears."
- (let (last-id prev)
- (while (and id (setq prev (car (gnus-gethash
- (downcase id)
- gnus-newsgroup-dependencies))))
- (setq last-id id
- id (gnus-parent-id (mail-header-references prev))))
- last-id))
-
-(defun gnus-remove-thread (id &optional dont-remove)
- "Remove the thread that has ID in it."
- (let ((dep gnus-newsgroup-dependencies)
- headers thread prev last-id)
- ;; First go up in this thread until we find the root.
- (setq last-id (gnus-root-id id))
- (setq headers (list (car (gnus-id-to-thread last-id))
- (car (car (cdr (gnus-id-to-thread last-id))))))
- ;; We have now found the real root of this thread. It might have
- ;; been gathered into some loose thread, so we have to search
- ;; through the threads to find the thread we wanted.
- (let ((threads gnus-newsgroup-threads)
- sub)
- (while threads
- (setq sub (car threads))
- (if (stringp (car sub))
- ;; This is a gathered threads, so we look at the roots
- ;; below it to find whether this article in in this
- ;; gathered root.
- (progn
- (setq sub (cdr sub))
- (while sub
- (when (member (car (car sub)) headers)
- (setq thread (car threads)
- threads nil
- sub nil))
- (setq sub (cdr sub))))
- ;; It's an ordinary thread, so we check it.
- (when (eq (car sub) (car headers))
- (setq thread sub
- threads nil)))
- (setq threads (cdr threads)))
- ;; If this article is in no thread, then it's a root.
- (if thread
- (unless dont-remove
- (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
- (setq thread (gnus-gethash (downcase last-id) dep)))
- (when thread
- (prog1
- thread ; We return this thread.
- (unless dont-remove
- (if (stringp (car thread))
- (progn
- ;; If we use dummy roots, then we have to remove the
- ;; dummy root as well.
- (when (eq gnus-summary-make-false-root 'dummy)
- ;; Uhm.
- )
- (setq thread (cdr thread))
- (while thread
- (gnus-remove-thread-1 (car thread))
- (setq thread (cdr thread))))
- (gnus-remove-thread-1 thread))))))))
-
-(defun gnus-remove-thread-1 (thread)
- "Remove the thread THREAD recursively."
- (let ((number (mail-header-number (car thread)))
- pos)
- (when (setq pos (text-property-any
- (point-min) (point-max) 'gnus-number number))
- (goto-char pos)
- (gnus-delete-line)
- (gnus-data-remove number))
- (setq thread (cdr thread))
- (while thread
- (gnus-remove-thread-1 (car thread))
- (setq thread (cdr thread)))))
-
-(defun gnus-sort-threads (threads)
- "Sort THREADS."
- (if (not gnus-thread-sort-functions)
- threads
- (let ((func (if (= 1 (length gnus-thread-sort-functions))
- (car gnus-thread-sort-functions)
- `(lambda (t1 t2)
- ,(gnus-make-sort-function
- (reverse gnus-thread-sort-functions))))))
- (gnus-message 7 "Sorting threads...")
- (prog1
- (sort threads func)
- (gnus-message 7 "Sorting threads...done")))))
-
-(defun gnus-sort-articles (articles)
- "Sort ARTICLES."
- (when gnus-article-sort-functions
- (let ((func (if (= 1 (length gnus-article-sort-functions))
- (car gnus-article-sort-functions)
- `(lambda (t1 t2)
- ,(gnus-make-sort-function
- (reverse gnus-article-sort-functions))))))
- (gnus-message 7 "Sorting articles...")
- (prog1
- (setq gnus-newsgroup-headers (sort articles func))
- (gnus-message 7 "Sorting articles...done")))))
-
-(defun gnus-make-sort-function (funs)
- "Return a composite sort condition based on the functions in FUNC."
- (if (cdr funs)
- `(or (,(car funs) t1 t2)
- (and (not (,(car funs) t2 t1))
- ,(gnus-make-sort-function (cdr funs))))
- `(,(car funs) t1 t2)))
-
-;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
-(defmacro gnus-thread-header (thread)
- ;; Return header of first article in THREAD.
- ;; Note that THREAD must never, ever be anything else than a variable -
- ;; using some other form will lead to serious barfage.
- (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
- ;; (8% speedup to gnus-summary-prepare, just for fun :-)
- (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207" ;
- (vector thread) 2))
-
-(defsubst gnus-article-sort-by-number (h1 h2)
- "Sort articles by article number."
- (< (mail-header-number h1)
- (mail-header-number h2)))
-
-(defun gnus-thread-sort-by-number (h1 h2)
- "Sort threads by root article number."
- (gnus-article-sort-by-number
- (gnus-thread-header h1) (gnus-thread-header h2)))
-
-(defsubst gnus-article-sort-by-author (h1 h2)
- "Sort articles by root author."
- (string-lessp
- (let ((extract (funcall
- gnus-extract-address-components
- (mail-header-from h1))))
- (or (car extract) (cdr extract)))
- (let ((extract (funcall
- gnus-extract-address-components
- (mail-header-from h2))))
- (or (car extract) (cdr extract)))))
-
-(defun gnus-thread-sort-by-author (h1 h2)
- "Sort threads by root author."
- (gnus-article-sort-by-author
- (gnus-thread-header h1) (gnus-thread-header h2)))
-
-(defsubst gnus-article-sort-by-subject (h1 h2)
- "Sort articles by root subject."
- (string-lessp
- (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
- (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
-
-(defun gnus-thread-sort-by-subject (h1 h2)
- "Sort threads by root subject."
- (gnus-article-sort-by-subject
- (gnus-thread-header h1) (gnus-thread-header h2)))
-
-(defsubst gnus-article-sort-by-date (h1 h2)
- "Sort articles by root article date."
- (string-lessp
- (gnus-sortable-date (mail-header-date h1))
- (gnus-sortable-date (mail-header-date h2))))
-
-(defun gnus-thread-sort-by-date (h1 h2)
- "Sort threads by root article date."
- (gnus-article-sort-by-date
- (gnus-thread-header h1) (gnus-thread-header h2)))
-
-(defsubst gnus-article-sort-by-score (h1 h2)
- "Sort articles by root article score.
-Unscored articles will be counted as having a score of zero."
- (> (or (cdr (assq (mail-header-number h1)
- gnus-newsgroup-scored))
- gnus-summary-default-score 0)
- (or (cdr (assq (mail-header-number h2)
- gnus-newsgroup-scored))
- gnus-summary-default-score 0)))
-
-(defun gnus-thread-sort-by-score (h1 h2)
- "Sort threads by root article score."
- (gnus-article-sort-by-score
- (gnus-thread-header h1) (gnus-thread-header h2)))
-
-(defun gnus-thread-sort-by-total-score (h1 h2)
- "Sort threads by the sum of all scores in the thread.
-Unscored articles will be counted as having a score of zero."
- (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
-
-(defun gnus-thread-total-score (thread)
- ;; This function find the total score of THREAD.
- (if (consp thread)
- (if (stringp (car thread))
- (apply gnus-thread-score-function 0
- (mapcar 'gnus-thread-total-score-1 (cdr thread)))
- (gnus-thread-total-score-1 thread))
- (gnus-thread-total-score-1 (list thread))))
-
-(defun gnus-thread-total-score-1 (root)
- ;; This function find the total score of the thread below ROOT.
- (setq root (car root))
- (apply gnus-thread-score-function
- (or (cdr (assq (mail-header-number root) gnus-newsgroup-scored))
- gnus-summary-default-score 0)
- (mapcar 'gnus-thread-total-score
- (cdr (gnus-gethash (downcase (mail-header-id root))
- gnus-newsgroup-dependencies)))))
-
-;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
-(defvar gnus-tmp-prev-subject nil)
-(defvar gnus-tmp-false-parent nil)
-(defvar gnus-tmp-root-expunged nil)
-(defvar gnus-tmp-dummy-line nil)
-
-(defun gnus-summary-prepare-threads (threads)
- "Prepare summary buffer from THREADS and indentation LEVEL.
-THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
-or a straight list of headers."
- (gnus-message 7 "Generating summary...")
-
- (setq gnus-newsgroup-threads threads)
- (beginning-of-line)
-
- (let ((gnus-tmp-level 0)
- (default-score (or gnus-summary-default-score 0))
- (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
- thread number subject stack state gnus-tmp-gathered beg-match
- new-roots gnus-tmp-new-adopts thread-end
- gnus-tmp-header gnus-tmp-unread
- gnus-tmp-replied gnus-tmp-subject-or-nil
- gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
- gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
- gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket)
-
- (setq gnus-tmp-prev-subject nil)
-
- (if (vectorp (car threads))
- ;; If this is a straight (sic) list of headers, then a
- ;; threaded summary display isn't required, so we just create
- ;; an unthreaded one.
- (gnus-summary-prepare-unthreaded threads)
-
- ;; Do the threaded display.
-
- (while (or threads stack gnus-tmp-new-adopts new-roots)
-
- (if (and (= gnus-tmp-level 0)
- (not (setq gnus-tmp-dummy-line nil))
- (or (not stack)
- (= (car (car stack)) 0))
- (not gnus-tmp-false-parent)
- (or gnus-tmp-new-adopts new-roots))
- (if gnus-tmp-new-adopts
- (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
- thread (list (car gnus-tmp-new-adopts))
- gnus-tmp-header (car (car thread))
- gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
- (if new-roots
- (setq thread (list (car new-roots))
- gnus-tmp-header (car (car thread))
- new-roots (cdr new-roots))))
-
- (if threads
- ;; If there are some threads, we do them before the
- ;; threads on the stack.
- (setq thread threads
- gnus-tmp-header (car (car thread)))
- ;; There were no current threads, so we pop something off
- ;; the stack.
- (setq state (car stack)
- gnus-tmp-level (car state)
- thread (cdr state)
- stack (cdr stack)
- gnus-tmp-header (car (car thread)))))
-
- (setq gnus-tmp-false-parent nil)
- (setq gnus-tmp-root-expunged nil)
- (setq thread-end nil)
-
- (if (stringp gnus-tmp-header)
- ;; The header is a dummy root.
- (cond
- ((eq gnus-summary-make-false-root 'adopt)
- ;; We let the first article adopt the rest.
- (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
- (cdr (cdr (car thread)))))
- (setq gnus-tmp-gathered
- (nconc (mapcar
- (lambda (h) (mail-header-number (car h)))
- (cdr (cdr (car thread))))
- gnus-tmp-gathered))
- (setq thread (cons (list (car (car thread))
- (car (cdr (car thread))))
- (cdr thread)))
- (setq gnus-tmp-level -1
- gnus-tmp-false-parent t))
- ((eq gnus-summary-make-false-root 'empty)
- ;; We print adopted articles with empty subject fields.
- (setq gnus-tmp-gathered
- (nconc (mapcar
- (lambda (h) (mail-header-number (car h)))
- (cdr (cdr (car thread))))
- gnus-tmp-gathered))
- (setq gnus-tmp-level -1))
- ((eq gnus-summary-make-false-root 'dummy)
- ;; We remember that we probably want to output a dummy
- ;; root.
- (setq gnus-tmp-dummy-line gnus-tmp-header)
- (setq gnus-tmp-prev-subject gnus-tmp-header))
- (t
- ;; We do not make a root for the gathered
- ;; sub-threads at all.
- (setq gnus-tmp-level -1)))
-
- (setq number (mail-header-number gnus-tmp-header)
- subject (mail-header-subject gnus-tmp-header))
-
- (cond
- ;; If the thread has changed subject, we might want to make
- ;; this subthread into a root.
- ((and (null gnus-thread-ignore-subject)
- (not (zerop gnus-tmp-level))
- gnus-tmp-prev-subject
- (not (inline
- (gnus-subject-equal gnus-tmp-prev-subject subject))))
- (setq new-roots (nconc new-roots (list (car thread)))
- thread-end t
- gnus-tmp-header nil))
- ;; If the article lies outside the current limit,
- ;; then we do not display it.
- ((and (not (memq number gnus-newsgroup-limit))
- (not gnus-tmp-dummy-line))
- (setq gnus-tmp-gathered
- (nconc (mapcar
- (lambda (h) (mail-header-number (car h)))
- (cdr (car thread)))
- gnus-tmp-gathered))
- (setq gnus-tmp-new-adopts (if (cdr (car thread))
- (append gnus-tmp-new-adopts
- (cdr (car thread)))
- gnus-tmp-new-adopts)
- thread-end t
- gnus-tmp-header nil)
- (when (zerop gnus-tmp-level)
- (setq gnus-tmp-root-expunged t)))
- ;; Perhaps this article is to be marked as read?
- ((and gnus-summary-mark-below
- (< (or (cdr (assq number gnus-newsgroup-scored))
- default-score)
- gnus-summary-mark-below)
- ;; Don't touch sparse articles.
- (not (memq number gnus-newsgroup-sparse)))
- (setq gnus-newsgroup-unreads
- (delq number gnus-newsgroup-unreads))
- (if gnus-newsgroup-auto-expire
- (push number gnus-newsgroup-expirable)
- (push (cons number gnus-low-score-mark)
- gnus-newsgroup-reads))))
-
- (when gnus-tmp-header
- ;; We may have an old dummy line to output before this
- ;; article.
- (when gnus-tmp-dummy-line
- (gnus-summary-insert-dummy-line
- gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
- (setq gnus-tmp-dummy-line nil))
-
- ;; Compute the mark.
- (setq
- gnus-tmp-unread
- (cond
- ((memq number gnus-newsgroup-unreads) gnus-unread-mark)
- ((memq number gnus-newsgroup-marked) gnus-ticked-mark)
- ((memq number gnus-newsgroup-dormant) gnus-dormant-mark)
- ((memq number gnus-newsgroup-expirable) gnus-expirable-mark)
- (t (or (cdr (assq number gnus-newsgroup-reads))
- gnus-ancient-mark))))
-
- (push (gnus-data-make number gnus-tmp-unread (1+ (point))
- gnus-tmp-header gnus-tmp-level)
- gnus-newsgroup-data)
-
- ;; Actually insert the line.
- (setq
- gnus-tmp-subject-or-nil
- (cond
- ((and gnus-thread-ignore-subject
- gnus-tmp-prev-subject
- (not (inline (gnus-subject-equal
- gnus-tmp-prev-subject subject))))
- subject)
- ((zerop gnus-tmp-level)
- (if (and (eq gnus-summary-make-false-root 'empty)
- (memq number gnus-tmp-gathered)
- gnus-tmp-prev-subject
- (inline (gnus-subject-equal
- gnus-tmp-prev-subject subject)))
- gnus-summary-same-subject
- subject))
- (t gnus-summary-same-subject)))
- (if (and (eq gnus-summary-make-false-root 'adopt)
- (= gnus-tmp-level 1)
- (memq number gnus-tmp-gathered))
- (setq gnus-tmp-opening-bracket ?\<
- gnus-tmp-closing-bracket ?\>)
- (setq gnus-tmp-opening-bracket ?\[
- gnus-tmp-closing-bracket ?\]))
- (setq
- gnus-tmp-indentation
- (aref gnus-thread-indent-array gnus-tmp-level)
- gnus-tmp-lines (mail-header-lines gnus-tmp-header)
- gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
- gnus-summary-default-score 0)
- gnus-tmp-score-char
- (if (or (null gnus-summary-default-score)
- (<= (abs (- gnus-tmp-score gnus-summary-default-score))
- gnus-summary-zcore-fuzz)) ?
- (if (< gnus-tmp-score gnus-summary-default-score)
- gnus-score-below-mark gnus-score-over-mark))
- gnus-tmp-replied
- (cond ((memq number gnus-newsgroup-processable)
- gnus-process-mark)
- ((memq number gnus-newsgroup-cached)
- gnus-cached-mark)
- ((memq number gnus-newsgroup-replied)
- gnus-replied-mark)
- (t gnus-unread-mark))
- gnus-tmp-from (mail-header-from gnus-tmp-header)
- gnus-tmp-name
- (cond
- ((string-match "(.+)" gnus-tmp-from)
- (substring gnus-tmp-from
- (1+ (match-beginning 0)) (1- (match-end 0))))
- ((string-match "<[^>]+> *$" gnus-tmp-from)
- (setq beg-match (match-beginning 0))
- (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
- (substring gnus-tmp-from (1+ (match-beginning 0))
- (1- (match-end 0))))
- (substring gnus-tmp-from 0 beg-match)))
- (t gnus-tmp-from)))
- (when (string= gnus-tmp-name "")
- (setq gnus-tmp-name gnus-tmp-from))
- (or (numberp gnus-tmp-lines) (setq gnus-tmp-lines 0))
- (put-text-property
- (point)
- (progn (eval gnus-summary-line-format-spec) (point))
- 'gnus-number number)
- (when gnus-visual-p
- (forward-line -1)
- (run-hooks 'gnus-summary-update-hook)
- (forward-line 1))
-
- (setq gnus-tmp-prev-subject subject)))
-
- (when (nth 1 thread)
- (push (cons (max 0 gnus-tmp-level) (nthcdr 1 thread)) stack))
- (incf gnus-tmp-level)
- (setq threads (if thread-end nil (cdr (car thread))))
- (unless threads
- (setq gnus-tmp-level 0)))))
- (gnus-message 7 "Generating summary...done"))
-
-(defun gnus-summary-prepare-unthreaded (headers)
- "Generate an unthreaded summary buffer based on HEADERS."
- (let (header number mark)
-
- (while headers
- (setq header (car headers)
- headers (cdr headers)
- number (mail-header-number header))
-
- ;; We may have to root out some bad articles...
- (when (memq number gnus-newsgroup-limit)
- (when (and gnus-summary-mark-below
- (< (or (cdr (assq number gnus-newsgroup-scored))
- gnus-summary-default-score 0)
- gnus-summary-mark-below))
- (setq gnus-newsgroup-unreads
- (delq number gnus-newsgroup-unreads))
- (if gnus-newsgroup-auto-expire
- (push number gnus-newsgroup-expirable)
- (push (cons number gnus-low-score-mark)
- gnus-newsgroup-reads)))
-
- (setq mark
- (cond
- ((memq number gnus-newsgroup-marked) gnus-ticked-mark)
- ((memq number gnus-newsgroup-dormant) gnus-dormant-mark)
- ((memq number gnus-newsgroup-unreads) gnus-unread-mark)
- ((memq number gnus-newsgroup-expirable) gnus-expirable-mark)
- (t (or (cdr (assq number gnus-newsgroup-reads))
- gnus-ancient-mark))))
- (setq gnus-newsgroup-data
- (cons (gnus-data-make number mark (1+ (point)) header 0)
- gnus-newsgroup-data))
- (gnus-summary-insert-line
- header 0 nil mark (memq number gnus-newsgroup-replied)
- (memq number gnus-newsgroup-expirable)
- (mail-header-subject header) nil
- (cdr (assq number gnus-newsgroup-scored))
- (memq number gnus-newsgroup-processable))))))
-
-(defun gnus-select-newsgroup (group &optional read-all)
- "Select newsgroup GROUP.
-If READ-ALL is non-nil, all articles in the group are selected."
- (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
- (info (nth 2 entry))
- articles fetched-articles cached)
-
- (or (gnus-check-server
- (setq gnus-current-select-method (gnus-find-method-for-group group)))
- (error "Couldn't open server"))
-
- (or (and entry (not (eq (car entry) t))) ; Either it's active...
- (gnus-activate-group group) ; Or we can activate it...
- (progn ; Or we bug out.
- (kill-buffer (current-buffer))
- (error "Couldn't request group %s: %s"
- group (gnus-status-message group))))
-
- (setq gnus-newsgroup-name group)
- (setq gnus-newsgroup-unselected nil)
- (setq gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
-
- (and gnus-asynchronous
- (gnus-check-backend-function
- 'request-asynchronous gnus-newsgroup-name)
- (setq gnus-newsgroup-async
- (gnus-request-asynchronous gnus-newsgroup-name)))
-
- ;; Adjust and set lists of article marks.
- (when info
- (gnus-adjust-marked-articles info))
-
- ;; Kludge to avoid having cached articles nixed out in virtual groups.
- (when (gnus-virtual-group-p group)
- (setq cached gnus-newsgroup-cached))
-
- (setq gnus-newsgroup-unreads
- (gnus-set-difference
- (gnus-set-difference gnus-newsgroup-unreads gnus-newsgroup-marked)
- gnus-newsgroup-dormant))
-
- (setq gnus-newsgroup-processable nil)
-
- (setq articles (gnus-articles-to-read group read-all))
-
- (cond
- ((null articles)
- ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
- 'quit)
- ((eq articles 0) nil)
- (t
- ;; Init the dependencies hash table.
- (setq gnus-newsgroup-dependencies
- (gnus-make-hashtable (length articles)))
- ;; Retrieve the headers and read them in.
- (gnus-message 5 "Fetching headers...")
- (setq gnus-newsgroup-headers
- (if (eq 'nov
- (setq gnus-headers-retrieved-by
- (gnus-retrieve-headers
- articles gnus-newsgroup-name
- ;; We might want to fetch old headers, but
- ;; not if there is only 1 article.
- (and gnus-fetch-old-headers
- (or (and
- (not (eq gnus-fetch-old-headers 'some))
- (not (numberp gnus-fetch-old-headers)))
- (> (length articles) 1))))))
- (gnus-get-newsgroup-headers-xover articles)
- (gnus-get-newsgroup-headers)))
- (gnus-message 5 "Fetching headers...done")
-
- ;; Kludge to avoid having cached articles nixed out in virtual groups.
- (when cached
- (setq gnus-newsgroup-cached cached))
-
- ;; Set the initial limit.
- (setq gnus-newsgroup-limit (copy-sequence articles))
- ;; Remove canceled articles from the list of unread articles.
- (setq gnus-newsgroup-unreads
- (gnus-set-sorted-intersection
- gnus-newsgroup-unreads
- (setq fetched-articles
- (mapcar (lambda (headers) (mail-header-number headers))
- gnus-newsgroup-headers))))
- ;; Removed marked articles that do not exist.
- (gnus-update-missing-marks
- (gnus-sorted-complement fetched-articles articles))
- ;; We might want to build some more threads first.
- (and gnus-fetch-old-headers
- (eq gnus-headers-retrieved-by 'nov)
- (gnus-build-old-threads))
- ;; Check whether auto-expire is to be done in this group.
- (setq gnus-newsgroup-auto-expire
- (gnus-group-auto-expirable-p group))
- ;; First and last article in this newsgroup.
- (and gnus-newsgroup-headers
- (setq gnus-newsgroup-begin
- (mail-header-number (car gnus-newsgroup-headers)))
- (setq gnus-newsgroup-end
- (mail-header-number
- (gnus-last-element gnus-newsgroup-headers))))
- (setq gnus-reffed-article-number -1)
- ;; GROUP is successfully selected.
- (or gnus-newsgroup-headers t)))))
-
-(defun gnus-articles-to-read (group read-all)
- ;; Find out what articles the user wants to read.
- (let* ((articles
- ;; Select all articles if `read-all' is non-nil, or if there
- ;; are no unread articles.
- (if (or read-all
- (and (zerop (length gnus-newsgroup-marked))
- (zerop (length gnus-newsgroup-unreads))))
- (gnus-uncompress-range (gnus-active group))
- (sort (append gnus-newsgroup-dormant gnus-newsgroup-marked
- (copy-sequence gnus-newsgroup-unreads))
- '<)))
- (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
- (scored (length scored-list))
- (number (length articles))
- (marked (+ (length gnus-newsgroup-marked)
- (length gnus-newsgroup-dormant)))
- (select
- (cond
- ((numberp read-all)
- read-all)
- (t
- (condition-case ()
- (cond
- ((and (or (<= scored marked) (= scored number))
- (numberp gnus-large-newsgroup)
- (> number gnus-large-newsgroup))
- (let ((input
- (read-string
- (format
- "How many articles from %s (default %d): "
- gnus-newsgroup-name number))))
- (if (string-match "^[ \t]*$" input) number input)))
- ((and (> scored marked) (< scored number))
- (let ((input
- (read-string
- (format "%s %s (%d scored, %d total): "
- "How many articles from"
- group scored number))))
- (if (string-match "^[ \t]*$" input)
- number input)))
- (t number))
- (quit nil))))))
- (setq select (if (stringp select) (string-to-number select) select))
- (if (or (null select) (zerop select))
- select
- (if (and (not (zerop scored)) (<= (abs select) scored))
- (progn
- (setq articles (sort scored-list '<))
- (setq number (length articles)))
- (setq articles (copy-sequence articles)))
-
- (if (< (abs select) number)
- (if (< select 0)
- ;; Select the N oldest articles.
- (setcdr (nthcdr (1- (abs select)) articles) nil)
- ;; Select the N most recent articles.
- (setq articles (nthcdr (- number select) articles))))
- (setq gnus-newsgroup-unselected
- (gnus-sorted-intersection
- gnus-newsgroup-unreads
- (gnus-sorted-complement gnus-newsgroup-unreads articles)))
- articles)))
-
-(defun gnus-killed-articles (killed articles)
- (let (out)
- (while articles
- (if (inline (gnus-member-of-range (car articles) killed))
- (setq out (cons (car articles) out)))
- (setq articles (cdr articles)))
- out))
-
-(defun gnus-uncompress-marks (marks)
- "Uncompress the mark ranges in MARKS."
- (let ((uncompressed '(score bookmark))
- out)
- (while marks
- (if (memq (caar marks) uncompressed)
- (push (car marks) out)
- (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
- (setq marks (cdr marks)))
- out))
-
-(defun gnus-adjust-marked-articles (info)
- "Set all article lists and remove all marks that are no longer legal."
- (let* ((marked-lists (gnus-info-marks info))
- (active (gnus-active (gnus-info-group info)))
- (min (car active))
- (max (cdr active))
- (types gnus-article-mark-lists)
- (uncompressed '(score bookmark))
- marks var articles article mark)
-
- (while marked-lists
- (setq marks (pop marked-lists))
- (set (setq var (intern (format "gnus-newsgroup-%s"
- (car (rassq (setq mark (car marks))
- types)))))
- (if (memq (car marks) uncompressed) (cdr marks)
- (gnus-uncompress-range (cdr marks))))
-
- (setq articles (symbol-value var))
-
- ;; All articles have to be subsets of the active articles.
- (cond
- ;; Adjust "simple" lists.
- ((memq mark '(tick dormant expirable reply killed save))
- (while articles
- (when (or (< (setq article (pop articles)) min) (> article max))
- (set var (delq article (symbol-value var))))))
- ;; Adjust assocs.
- ((memq mark '(score bookmark))
- (while articles
- (when (or (< (car (setq article (pop articles))) min)
- (> (car article) max))
- (set var (delq article (symbol-value var))))))))))
-
-(defun gnus-update-missing-marks (missing)
- "Go through the list of MISSING articles and remove them mark lists."
- (when missing
- (let ((types gnus-article-mark-lists)
- var m)
- ;; Go through all types.
- (while types
- (setq var (intern (format "gnus-newsgroup-%s" (car (pop types)))))
- (when (symbol-value var)
- ;; This list has articles. So we delete all missing articles
- ;; from it.
- (setq m missing)
- (while m
- (set var (delq (pop m) (symbol-value var)))))))))
-
-(defun gnus-update-marks ()
- "Enter the various lists of marked articles into the newsgroup info list."
- (let ((types gnus-article-mark-lists)
- (info (gnus-get-info gnus-newsgroup-name))
- (uncompressed '(score bookmark killed))
- var type list newmarked symbol)
- (when info
- ;; Add all marks lists that are non-nil to the list of marks lists.
- (while types
- (setq type (pop types))
- (when (setq list (symbol-value
- (setq symbol
- (intern (format "gnus-newsgroup-%s"
- (car type))))))
- (push (cons (cdr type)
- (if (memq (cdr type) uncompressed) list
- (gnus-compress-sequence (set symbol (sort list '<)) t)))
- newmarked)))
-
- ;; Enter these new marks into the info of the group.
- (if (nthcdr 3 info)
- (setcar (nthcdr 3 info) newmarked)
- ;; Add the marks lists to the end of the info.
- (when newmarked
- (setcdr (nthcdr 2 info) (list newmarked))))
-
- ;; Cut off the end of the info if there's nothing else there.
- (let ((i 5))
- (while (and (> i 2)
- (not (nth i info)))
- (when (nthcdr (decf i) info)
- (setcdr (nthcdr i info) nil)))))))
-
-(defun gnus-add-marked-articles (group type articles &optional info force)
- ;; Add ARTICLES of TYPE to the info of GROUP.
- ;; If INFO is non-nil, use that info. If FORCE is non-nil, don't
- ;; add, but replace marked articles of TYPE with ARTICLES.
- (let ((info (or info (gnus-get-info group)))
- (uncompressed '(score bookmark killed))
- marked m)
- (or (not info)
- (and (not (setq marked (nthcdr 3 info)))
- (setcdr (nthcdr 2 info)
- (list (list (cons type (gnus-compress-sequence
- articles t))))))
- (and (not (setq m (assq type (car marked))))
- (setcar marked
- (cons (cons type (gnus-compress-sequence articles t) )
- (car marked))))
- (if force
- (setcdr m (gnus-compress-sequence articles t))
- (setcdr m (gnus-compress-sequence
- (sort (nconc (gnus-uncompress-range m)
- (copy-sequence articles)) '<) t))))))
-
-(defun gnus-set-mode-line (where)
- "This function sets the mode line of the article or summary buffers.
-If WHERE is `summary', the summary mode line format will be used."
- ;; Is this mode line one we keep updated?
- (when (memq where gnus-updated-mode-lines)
- (let (mode-string)
- (save-excursion
- ;; We evaluate this in the summary buffer since these
- ;; variables are buffer-local to that buffer.
- (set-buffer gnus-summary-buffer)
- ;; We bind all these variables that are used in the `eval' form
- ;; below.
- (let* ((mformat (symbol-value
- (intern
- (format "gnus-%s-mode-line-format-spec" where))))
- (gnus-tmp-group-name gnus-newsgroup-name)
- (gnus-tmp-article-number (or gnus-current-article 0))
- (gnus-tmp-unread gnus-newsgroup-unreads)
- (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
- (gnus-tmp-unselected (length gnus-newsgroup-unselected))
- (gnus-tmp-unread-and-unselected
- (cond ((and (zerop gnus-tmp-unread-and-unticked)
- (zerop gnus-tmp-unselected)) "")
- ((zerop gnus-tmp-unselected)
- (format "{%d more}" gnus-tmp-unread-and-unticked))
- (t (format "{%d(+%d) more}"
- gnus-tmp-unread-and-unticked
- gnus-tmp-unselected))))
- (gnus-tmp-subject
- (if (and gnus-current-headers
- (vectorp gnus-current-headers))
- (mail-header-subject gnus-current-headers) ""))
- max-len
- gnus-tmp-header);; passed as argument to any user-format-funcs
- (setq mode-string (eval mformat))
- (setq max-len (max 4 (if gnus-mode-non-string-length
- (- (frame-width)
- gnus-mode-non-string-length)
- (length mode-string))))
- ;; We might have to chop a bit of the string off...
- (when (> (length mode-string) max-len)
- (setq mode-string
- (concat (gnus-truncate-string mode-string (- max-len 3))
- "...")))
- ;; Pad the mode string a bit.
- (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
- ;; Update the mode line.
- (setq mode-line-buffer-identification (list mode-string))
- (set-buffer-modified-p t))))
-
-(defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
- "Go through the HEADERS list and add all Xrefs to a hash table.
-The resulting hash table is returned, or nil if no Xrefs were found."
- (let* ((from-method (gnus-find-method-for-group from-newsgroup))
- (virtual (gnus-virtual-group-p from-newsgroup))
- (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
- (xref-hashtb (make-vector 63 0))
- start group entry number xrefs header)
- (while headers
- (setq header (pop headers))
- (when (and (setq xrefs (mail-header-xref header))
- (not (memq (setq number (mail-header-number header))
- unreads)))
- (setq start 0)
- (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
- (setq start (match-end 0))
- (setq group (concat prefix (substring xrefs (match-beginning 1)
- (match-end 1))))
- (setq number
- (string-to-int (substring xrefs (match-beginning 2)
- (match-end 2))))
- (if (setq entry (gnus-gethash group xref-hashtb))
- (setcdr entry (cons number (cdr entry)))
- (gnus-sethash group (cons number nil) xref-hashtb)))))
- (and start xref-hashtb)))
-
-(defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
- "Look through all the headers and mark the Xrefs as read."
- (let ((virtual (gnus-virtual-group-p from-newsgroup))
- name entry info xref-hashtb idlist method nth4)
- (save-excursion
- (set-buffer gnus-group-buffer)
- (when (setq xref-hashtb
- (gnus-create-xref-hashtb from-newsgroup headers unreads))
- (mapatoms
- (lambda (group)
- (unless (string= from-newsgroup (setq name (symbol-name group)))
- (setq idlist (symbol-value group))
- ;; Dead groups are not updated.
- (and (prog1
- (setq entry (gnus-gethash name gnus-newsrc-hashtb)
- info (nth 2 entry))
- (if (stringp (setq nth4 (gnus-info-method info)))
- (setq nth4 (gnus-server-to-method nth4))))
- ;; Only do the xrefs if the group has the same
- ;; select method as the group we have just read.
- (or (gnus-methods-equal-p
- nth4 (gnus-find-method-for-group from-newsgroup))
- virtual
- (equal nth4 (setq method (gnus-find-method-for-group
- from-newsgroup)))
- (and (equal (car nth4) (car method))
- (equal (nth 1 nth4) (nth 1 method))))
- gnus-use-cross-reference
- (or (not (eq gnus-use-cross-reference t))
- virtual
- ;; Only do cross-references on subscribed
- ;; groups, if that is what is wanted.
- (<= (gnus-info-level info) gnus-level-subscribed))
- (gnus-group-make-articles-read name idlist))))
- xref-hashtb)))))
-
-(defun gnus-group-make-articles-read (group articles)
- (let* ((num 0)
- (entry (gnus-gethash group gnus-newsrc-hashtb))
- (info (nth 2 entry))
- (active (gnus-active group))
- range)
- ;; First peel off all illegal article numbers.
- (if active
- (let ((ids articles)
- id first)
- (while ids
- (setq id (car ids))
- (if (and first (> id (cdr active)))
- (progn
- ;; We'll end up in this situation in one particular
- ;; obscure situation. If you re-scan a group and get
- ;; a new article that is cross-posted to a different
- ;; group that has not been re-scanned, you might get
- ;; crossposted article that has a higher number than
- ;; Gnus believes possible. So we re-activate this
- ;; group as well. This might mean doing the
- ;; crossposting thingy will *increase* the number
- ;; of articles in some groups. Tsk, tsk.
- (setq active (or (gnus-activate-group group) active))))
- (if (or (> id (cdr active))
- (< id (car active)))
- (setq articles (delq id articles)))
- (setq ids (cdr ids)))))
- ;; If the read list is nil, we init it.
- (and active
- (null (gnus-info-read info))
- (> (car active) 1)
- (gnus-info-set-read info (cons 1 (1- (car active)))))
- ;; Then we add the read articles to the range.
- (gnus-info-set-read
- info
- (setq range
- (gnus-add-to-range
- (gnus-info-read info) (setq articles (sort articles '<)))))
- ;; Then we have to re-compute how many unread
- ;; articles there are in this group.
- (if active
- (progn
- (cond
- ((not range)
- (setq num (- (1+ (cdr active)) (car active))))
- ((not (listp (cdr range)))
- (setq num (- (cdr active) (- (1+ (cdr range))
- (car range)))))
- (t
- (while range
- (if (numberp (car range))
- (setq num (1+ num))
- (setq num (+ num (- (1+ (cdr (car range)))
- (car (car range))))))
- (setq range (cdr range)))
- (setq num (- (cdr active) num))))
- ;; Update the number of unread articles.
- (setcar entry num)
- ;; Update the group buffer.
- (gnus-group-update-group group t)))))
-
-(defun gnus-methods-equal-p (m1 m2)
- (let ((m1 (or m1 gnus-select-method))
- (m2 (or m2 gnus-select-method)))
- (or (equal m1 m2)
- (and (eq (car m1) (car m2))
- (or (not (memq 'address (assoc (symbol-name (car m1))
- gnus-valid-select-methods)))
- (equal (nth 1 m1) (nth 1 m2)))))))
-
-(defsubst gnus-header-value ()
- (buffer-substring (match-end 0) (gnus-point-at-eol)))
-
-(defvar gnus-newsgroup-none-id 0)
-
-(defun gnus-get-newsgroup-headers (&optional dependencies force-new)
- (let ((cur nntp-server-buffer)
- (dependencies
- (or dependencies
- (save-excursion (set-buffer gnus-summary-buffer)
- gnus-newsgroup-dependencies)))
- headers id id-dep ref-dep end ref)
- (save-excursion
- (set-buffer nntp-server-buffer)
- (let ((case-fold-search t)
- in-reply-to header number p lines)
- (goto-char (point-min))
- ;; Search to the beginning of the next header. Error messages
- ;; do not begin with 2 or 3.
- (while (re-search-forward "^[23][0-9]+ " nil t)
- (setq id nil
- ref nil)
- ;; This implementation of this function, with nine
- ;; search-forwards instead of the one re-search-forward and
- ;; a case (which basically was the old function) is actually
- ;; about twice as fast, even though it looks messier. You
- ;; can't have everything, I guess. Speed and elegance
- ;; doesn't always go hand in hand.
- (setq
- header
- (vector
- ;; Number.
- (prog1
- (read cur)
- (end-of-line)
- (setq p (point))
- (narrow-to-region (point)
- (or (and (search-forward "\n.\n" nil t)
- (- (point) 2))
- (point))))
- ;; Subject.
- (progn
- (goto-char p)
- (if (search-forward "\nsubject: " nil t)
- (gnus-header-value) "(none)"))
- ;; From.
- (progn
- (goto-char p)
- (if (search-forward "\nfrom: " nil t)
- (gnus-header-value) "(nobody)"))
- ;; Date.
- (progn
- (goto-char p)
- (if (search-forward "\ndate: " nil t)
- (gnus-header-value) ""))
- ;; Message-ID.
- (progn
- (goto-char p)
- (if (search-forward "\nmessage-id: " nil t)
- (setq id (gnus-header-value))
- ;; If there was no message-id, we just fake one to make
- ;; subsequent routines simpler.
- (setq id (concat "none+"
- (int-to-string
- (setq gnus-newsgroup-none-id
- (1+ gnus-newsgroup-none-id)))))))
- ;; References.
- (progn
- (goto-char p)
- (if (search-forward "\nreferences: " nil t)
- (prog1
- (gnus-header-value)
- (setq end (match-end 0))
- (save-excursion
- (setq ref
- (downcase
- (buffer-substring
- (progn
- (end-of-line)
- (search-backward ">" end t)
- (1+ (point)))
- (progn
- (search-backward "<" end t)
- (point)))))))
- ;; Get the references from the in-reply-to header if there
- ;; were no references and the in-reply-to header looks
- ;; promising.
- (if (and (search-forward "\nin-reply-to: " nil t)
- (setq in-reply-to (gnus-header-value))
- (string-match "<[^>]+>" in-reply-to))
- (prog1
- (setq ref (substring in-reply-to (match-beginning 0)
- (match-end 0)))
- (setq ref (downcase ref))))
- (setq ref "")))
- ;; Chars.
- 0
- ;; Lines.
- (progn
- (goto-char p)
- (if (search-forward "\nlines: " nil t)
- (if (numberp (setq lines (read cur)))
- lines 0)
- 0))
- ;; Xref.
- (progn
- (goto-char p)
- (and (search-forward "\nxref: " nil t)
- (gnus-header-value)))))
- ;; We do the threading while we read the headers. The
- ;; message-id and the last reference are both entered into
- ;; the same hash table. Some tippy-toeing around has to be
- ;; done in case an article has arrived before the article
- ;; which it refers to.
- (if (boundp (setq id-dep (intern (downcase id) dependencies)))
- (if (and (car (symbol-value id-dep))
- (not force-new))
- ;; An article with this Message-ID has already
- ;; been seen, so we ignore this one, except we add
- ;; any additional Xrefs (in case the two articles
- ;; came from different servers).
- (progn
- (mail-header-set-xref
- (car (symbol-value id-dep))
- (concat (or (mail-header-xref
- (car (symbol-value id-dep))) "")
- (or (mail-header-xref header) "")))
- (setq header nil))
- (setcar (symbol-value id-dep) header))
- (set id-dep (list header)))
- (when header
- (if (boundp (setq ref-dep (intern ref dependencies)))
- (setcdr (symbol-value ref-dep)
- (nconc (cdr (symbol-value ref-dep))
- (list (symbol-value id-dep))))
- (set ref-dep (list nil (symbol-value id-dep))))
- (setq headers (cons header headers)))
- (goto-char (point-max))
- (widen))
- (nreverse headers)))))
-
-;; The following macros and functions were written by Felix Lee
-;; <flee@cse.psu.edu>.
-
-(defmacro gnus-nov-read-integer ()
- '(prog1
- (if (= (following-char) ?\t)
- 0
- (let ((num (condition-case nil (read buffer) (error nil))))
- (if (numberp num) num 0)))
- (or (eobp) (forward-char 1))))
-
-(defmacro gnus-nov-skip-field ()
- '(search-forward "\t" eol 'move))
-
-(defmacro gnus-nov-field ()
- '(buffer-substring (point) (if (gnus-nov-skip-field) (1- (point)) eol)))
-
-;; Goes through the xover lines and returns a list of vectors
-(defun gnus-get-newsgroup-headers-xover (sequence &optional force-new)
- "Parse the news overview data in the server buffer, and return a
-list of headers that match SEQUENCE (see `nntp-retrieve-headers')."
- ;; Get the Xref when the users reads the articles since most/some
- ;; NNTP servers do not include Xrefs when using XOVER.
- (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
- (let ((cur nntp-server-buffer)
- (dependencies gnus-newsgroup-dependencies)
- number headers header)
- (save-excursion
- (set-buffer nntp-server-buffer)
- ;; Allow the user to mangle the headers before parsing them.
- (run-hooks 'gnus-parse-headers-hook)
- ;; Allow the user to mangle the headers before parsing them.
- (run-hooks 'gnus-parse-headers-hook)
- (goto-char (point-min))
- (while (and sequence (not (eobp)))
- (setq number (read cur))
- (while (and sequence (< (car sequence) number))
- (setq sequence (cdr sequence)))
- (and sequence
- (eq number (car sequence))
- (progn
- (setq sequence (cdr sequence))
- (if (setq header
- (inline (gnus-nov-parse-line
- number dependencies force-new)))
- (setq headers (cons header headers)))))
- (forward-line 1))
- (setq headers (nreverse headers)))
- headers))
-
-;; This function has to be called with point after the article number
-;; on the beginning of the line.
-(defun gnus-nov-parse-line (number dependencies &optional force-new)
- (let ((none 0)
- (eol (gnus-point-at-eol))
- (buffer (current-buffer))
- header ref id id-dep ref-dep)
-
- ;; overview: [num subject from date id refs chars lines misc]
- (narrow-to-region (point) eol)
- (or (eobp) (forward-char))
-
- (condition-case nil
- (setq header
- (vector
- number ; number
- (gnus-nov-field) ; subject
- (gnus-nov-field) ; from
- (gnus-nov-field) ; date
- (setq id (or (gnus-nov-field)
- (concat "none+"
- (int-to-string
- (setq none (1+ none)))))) ; id
- (progn
- (save-excursion
- (let ((beg (point)))
- (search-forward "\t" eol)
- (if (search-backward ">" beg t)
- (setq ref
- (downcase
- (buffer-substring
- (1+ (point))
- (progn
- (search-backward "<" beg t)
- (point)))))
- (setq ref nil))))
- (gnus-nov-field)) ; refs
- (gnus-nov-read-integer) ; chars
- (gnus-nov-read-integer) ; lines
- (if (= (following-char) ?\n)
- nil
- (gnus-nov-field)) ; misc
- ))
- (error (progn
- (ding)
- (gnus-message 4 "Strange nov line")
- (setq header nil)
- (goto-char eol))))
-
- (widen)
-
- ;; We build the thread tree.
- (when header
- (if (boundp (setq id-dep (intern (downcase id) dependencies)))
- (if (and (car (symbol-value id-dep))
- (not force-new))
- ;; An article with this Message-ID has already been seen,
- ;; so we ignore this one, except we add any additional
- ;; Xrefs (in case the two articles came from different
- ;; servers.
- (progn
- (mail-header-set-xref
- (car (symbol-value id-dep))
- (concat (or (mail-header-xref
- (car (symbol-value id-dep))) "")
- (or (mail-header-xref header) "")))
- (setq header nil))
- (setcar (symbol-value id-dep) header))
- (set id-dep (list header))))
- (if header
- (progn
- (if (boundp (setq ref-dep (intern (or ref "none") dependencies)))
- (setcdr (symbol-value ref-dep)
- (nconc (cdr (symbol-value ref-dep))
- (list (symbol-value id-dep))))
- (set ref-dep (list nil (symbol-value id-dep))))))
- header))
-
-(defun gnus-article-get-xrefs ()
- "Fill in the Xref value in `gnus-current-headers', if necessary.
-This is meant to be called in `gnus-article-internal-prepare-hook'."
- (let ((headers (save-excursion (set-buffer gnus-summary-buffer)
- gnus-current-headers)))
- (or (not gnus-use-cross-reference)
- (not headers)
- (and (mail-header-xref headers)
- (not (string= (mail-header-xref headers) "")))
- (let ((case-fold-search t)
- xref)
- (save-restriction
- (nnheader-narrow-to-headers)
- (goto-char (point-min))
- (if (or (and (eq (downcase (following-char)) ?x)
- (looking-at "Xref:"))
- (search-forward "\nXref:" nil t))
- (progn
- (goto-char (1+ (match-end 0)))
- (setq xref (buffer-substring (point)
- (progn (end-of-line) (point))))
- (mail-header-set-xref headers xref))))))))
-
-(defun gnus-summary-insert-subject (id)
- "Find article ID and insert the summary line for that article."
- (let ((header (gnus-read-header id))
- (number (and (numberp id) id)))
- (when header
- ;; Rebuild the thread that this article is part of and go to the
- ;; article we have fetched.
- (gnus-rebuild-thread (mail-header-id header))
- (gnus-summary-goto-subject (setq number (mail-header-number header))))
- (when (and (numberp number)
- (> number 0))
- ;; We have to update the boundaries even if we can't fetch the
- ;; article if ID is a number -- so that the next `P' or `N'
- ;; command will fetch the previous (or next) article even
- ;; if the one we tried to fetch this time has been canceled.
- (and (> number gnus-newsgroup-end)
- (setq gnus-newsgroup-end number))
- (and (< number gnus-newsgroup-begin)
- (setq gnus-newsgroup-begin number))
- (setq gnus-newsgroup-unselected
- (delq number gnus-newsgroup-unselected)))
- ;; Report back a success?
- (and header number)))
-
-(defun gnus-summary-work-articles (n)
- "Return a list of articles to be worked upon. The prefix argument,
-the list of process marked articles, and the current article will be
-taken into consideration."
- (cond
- ((and n (numberp n))
- ;; A numerical prefix has been given.
- (let ((backward (< n 0))
- (n (abs n))
- articles article)
- (save-excursion
- (while
- (and (> n 0)
- (push (setq article (gnus-summary-article-number))
- articles)
- (if backward
- (gnus-summary-find-prev nil article)
- (gnus-summary-find-next nil article)))
- (decf n)))
- (nreverse articles)))
- ((and (boundp 'transient-mark-mode)
- transient-mark-mode
- mark-active)
- ;; Work on the region between point and mark.
- (let ((max (max (point) (mark)))
- articles article)
- (save-excursion
- (goto-char (min (point) (mark)))
- (while
- (and
- (push (setq article (gnus-summary-article-number)) articles)
- (gnus-summary-find-next nil article)
- (< (point) max)))
- (nreverse articles))))
- (gnus-newsgroup-processable
- ;; There are process-marked articles present.
- (reverse gnus-newsgroup-processable))
- (t
- ;; Just return the current article.
- (list (gnus-summary-article-number)))))
-
-(defun gnus-summary-search-group (&optional backward use-level)
- "Search for next unread newsgroup.
-If optional argument BACKWARD is non-nil, search backward instead."
- (save-excursion
- (set-buffer gnus-group-buffer)
- (if (gnus-group-search-forward
- backward nil (if use-level (gnus-group-group-level) nil))
- (gnus-group-group-name))))
-
-(defun gnus-summary-best-group (&optional exclude-group)
- "Find the name of the best unread group.
-If EXCLUDE-GROUP, do not go to this group."
- (save-excursion
- (set-buffer gnus-group-buffer)
- (save-excursion
- (gnus-group-best-unread-group exclude-group))))
-
-(defun gnus-summary-find-next (&optional unread article backward)
- (if backward (gnus-summary-find-prev)
- (let* ((article (or article (gnus-summary-article-number)))
- (arts (gnus-data-find-list article))
- result)
- (when (or (not gnus-summary-check-current)
- (not unread)
- (not (gnus-data-unread-p (car arts))))
- (setq arts (cdr arts)))
- (when (setq result
- (if unread
- (progn
- (while arts
- (when (gnus-data-unread-p (car arts))
- (setq result (car arts)
- arts nil))
- (setq arts (cdr arts)))
- result)
- (car arts)))
- (goto-char (gnus-data-pos result))
- (gnus-data-number result)))))
-
-(defun gnus-summary-find-prev (&optional unread article)
- (let* ((article (or article (gnus-summary-article-number)))
- (arts (gnus-data-find-list article (gnus-data-list 'rev)))
- result)
- (when (or (not gnus-summary-check-current)
- (not unread)
- (not (gnus-data-unread-p (car arts))))
- (setq arts (cdr arts)))
- (if (setq result
- (if unread
- (progn
- (while arts
- (and (gnus-data-unread-p (car arts))
- (setq result (car arts)
- arts nil))
- (setq arts (cdr arts)))
- result)
- (car arts)))
- (progn
- (goto-char (gnus-data-pos result))
- (gnus-data-number result)))))
-
-(defun gnus-summary-find-subject (subject &optional unread backward article)
- (let* ((simp-subject (gnus-simplify-subject-fully subject))
- (article (or article (gnus-summary-article-number)))
- (articles (gnus-data-list backward))
- (arts (gnus-data-find-list article articles))
- result)
- (when (or (not gnus-summary-check-current)
- (not unread)
- (not (gnus-data-unread-p (car arts))))
- (setq arts (cdr arts)))
- (while arts
- (and (or (not unread)
- (gnus-data-unread-p (car arts)))
- (vectorp (gnus-data-header (car arts)))
- (gnus-subject-equal
- simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
- (setq result (car arts)
- arts nil))
- (setq arts (cdr arts)))
- (and result
- (goto-char (gnus-data-pos result))
- (gnus-data-number result))))
-
-(defun gnus-summary-search-forward (&optional unread subject backward)
- "Search forward for an article.
-If UNREAD, look for unread articles. If SUBJECT, look for
-articles with that subject. If BACKWARD, search backward instead."
- (cond (subject (gnus-summary-find-subject subject unread backward))
- (backward (gnus-summary-find-prev unread))
- (t (gnus-summary-find-next unread))))
-
-(defun gnus-recenter (&optional n)
- "Center point in window and redisplay frame.
-Also do horizontal recentering."
- (interactive)
- (gnus-horizontal-recenter)
- (recenter n))
-
-(defun gnus-summary-recenter ()
- "Center point in the summary window.
-If `gnus-auto-center-summary' is nil, or the article buffer isn't
-displayed, no centering will be performed."
- ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
- ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
- (let* ((top (cond ((< (window-height) 4) 0)
- ((< (window-height) 7) 1)
- (t 2)))
- (height (1- (window-height)))
- (bottom (save-excursion (goto-char (point-max))
- (forward-line (- height))
- (point)))
- (window (get-buffer-window (current-buffer))))
- ;; The user has to want it.
- (when gnus-auto-center-summary
- (when (get-buffer-window gnus-article-buffer)
- ;; Only do recentering when the article buffer is displayed,
- ;; Set the window start to either `bottom', which is the biggest
- ;; possible valid number, or the second line from the top,
- ;; whichever is the least.
- (set-window-start
- window (min bottom (save-excursion
- (forward-line (- top)) (point)))))
- ;; Do horizontal recentering while we're at it.
- (when (get-buffer-window (current-buffer) t)
- (let ((selected (selected-window)))
- (select-window (get-buffer-window (current-buffer) t))
- (gnus-summary-position-point)
- (gnus-horizontal-recenter)
- (select-window selected))))))
-
-(defun gnus-horizontal-recenter ()
- "Recenter the current buffer horizontally."
- (if (< (current-column) (/ (window-width) 2))
- (set-window-hscroll (get-buffer-window (current-buffer) t) 0)
- (let* ((orig (point))
- (end (window-end (get-buffer-window (current-buffer) t)))
- (max 0))
- ;; Find the longest line currently displayed in the window.
- (goto-char (window-start))
- (while (and (not (eobp))
- (< (point) end))
- (end-of-line)
- (setq max (max max (current-column)))
- (forward-line 1))
- (goto-char orig)
- ;; Scroll horizontally to center (sort of) the point.
- (if (> max (window-width))
- (set-window-hscroll
- (get-buffer-window (current-buffer) t)
- (min (- (current-column) (/ (window-width) 3))
- (+ 2 (- max (window-width)))))
- (set-window-hscroll (get-buffer-window (current-buffer) t) 0))
- max)))
-
-;; Function written by Stainless Steel Rat <ratinox@ccs.neu.edu>.
-(defun gnus-short-group-name (group &optional levels)
- "Collapse GROUP name LEVELS."
- (let* ((name "")
- (foreign "")
- (depth 0)
- (skip 1)
- (levels (or levels
- (progn
- (while (string-match "\\." group skip)
- (setq skip (match-end 0)
- depth (+ depth 1)))
- depth))))
- (if (string-match ":" group)
- (setq foreign (substring group 0 (match-end 0))
- group (substring group (match-end 0))))
- (while group
- (if (and (string-match "\\." group)
- (> levels (- gnus-group-uncollapsed-levels 1)))
- (setq name (concat name (substring group 0 1))
- group (substring group (match-end 0))
- levels (- levels 1)
- name (concat name "."))
- (setq name (concat foreign name group)
- group nil)))
- name))
-
-(defun gnus-summary-jump-to-group (newsgroup)
- "Move point to NEWSGROUP in group mode buffer."
- ;; Keep update point of group mode buffer if visible.
- (if (eq (current-buffer) (get-buffer gnus-group-buffer))
- (save-window-excursion
- ;; Take care of tree window mode.
- (if (get-buffer-window gnus-group-buffer)
- (pop-to-buffer gnus-group-buffer))
- (gnus-group-jump-to-group newsgroup))
- (save-excursion
- ;; Take care of tree window mode.
- (if (get-buffer-window gnus-group-buffer)
- (pop-to-buffer gnus-group-buffer)
- (set-buffer gnus-group-buffer))
- (gnus-group-jump-to-group newsgroup))))
-
-;; This function returns a list of article numbers based on the
-;; difference between the ranges of read articles in this group and
-;; the range of active articles.
-(defun gnus-list-of-unread-articles (group)
- (let* ((read (gnus-info-read (gnus-get-info group)))
- (active (gnus-active group))
- (last (cdr active))
- first nlast unread)
- ;; If none are read, then all are unread.
- (if (not read)
- (setq first (car active))
- ;; If the range of read articles is a single range, then the
- ;; first unread article is the article after the last read
- ;; article. Sounds logical, doesn't it?
- (if (not (listp (cdr read)))
- (setq first (1+ (cdr read)))
- ;; `read' is a list of ranges.
- (if (/= (setq nlast (or (and (numberp (car read)) (car read))
- (car (car read)))) 1)
- (setq first 1))
- (while read
- (if first
- (while (< first nlast)
- (setq unread (cons first unread))
- (setq first (1+ first))))
- (setq first (1+ (if (atom (car read)) (car read) (cdr (car read)))))
- (setq nlast (if (atom (car (cdr read)))
- (car (cdr read))
- (car (car (cdr read)))))
- (setq read (cdr read)))))
- ;; And add the last unread articles.
- (while (<= first last)
- (setq unread (cons first unread))
- (setq first (1+ first)))
- ;; Return the list of unread articles.
- (nreverse unread)))
-
-(defun gnus-list-of-read-articles (group)
- "Return a list of unread, unticked and non-dormant articles."
- (let* ((info (gnus-get-info group))
- (marked (gnus-info-marks info))
- (active (gnus-active group)))
- (and info active
- (gnus-set-difference
- (gnus-sorted-complement
- (gnus-uncompress-range active)
- (gnus-list-of-unread-articles group))
- (append
- (gnus-uncompress-range (cdr (assq 'dormant marked)))
- (gnus-uncompress-range (cdr (assq 'tick marked))))))))
-
-;; Various summary commands
-
-(defun gnus-summary-universal-argument (arg)
- "Perform any operation on all articles that are process/prefixed."
- (interactive "P")
- (gnus-set-global-variables)
- (let ((articles (gnus-summary-work-articles arg))
- func article)
- (if (eq
- (setq
- func
- (key-binding
- (read-key-sequence
- (substitute-command-keys
- "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"
- ))))
- 'undefined)
- (progn
- (message "Undefined key")
- (ding))
- (save-excursion
- (while articles
- (gnus-summary-goto-subject (setq article (pop articles)))
- (command-execute func)
- (gnus-summary-remove-process-mark article)))))
- (gnus-summary-position-point))
-
-(defun gnus-summary-toggle-truncation (&optional arg)
- "Toggle truncation of summary lines.
-With arg, turn line truncation on iff arg is positive."
- (interactive "P")
- (setq truncate-lines
- (if (null arg) (not truncate-lines)
- (> (prefix-numeric-value arg) 0)))
- (redraw-display))
-
-(defun gnus-summary-reselect-current-group (&optional all rescan)
- "Exit and then reselect the current newsgroup.
-The prefix argument ALL means to select all articles."
- (interactive "P")
- (gnus-set-global-variables)
- (let ((current-subject (gnus-summary-article-number))
- (group gnus-newsgroup-name))
- (setq gnus-newsgroup-begin nil)
- (gnus-summary-exit)
- ;; We have to adjust the point of group mode buffer because the
- ;; current point was moved to the next unread newsgroup by
- ;; exiting.
- (gnus-summary-jump-to-group group)
- (when rescan
- (save-excursion
- (gnus-group-get-new-news-this-group 1)))
- (gnus-group-read-group all t)
- (gnus-summary-goto-subject current-subject)))
-
-(defun gnus-summary-rescan-group (&optional all)
- "Exit the newsgroup, ask for new articles, and select the newsgroup."
- (interactive "P")
- (gnus-summary-reselect-current-group all t))
-
-(defun gnus-summary-update-info ()
- (let* ((group gnus-newsgroup-name))
- (when gnus-newsgroup-kill-headers
- (setq gnus-newsgroup-killed
- (gnus-compress-sequence
- (nconc
- (gnus-set-sorted-intersection
- (gnus-uncompress-range gnus-newsgroup-killed)
- (setq gnus-newsgroup-unselected
- (sort gnus-newsgroup-unselected '<)))
- (setq gnus-newsgroup-unreads
- (sort gnus-newsgroup-unreads '<))) t)))
- (unless (listp (cdr gnus-newsgroup-killed))
- (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
- (let ((headers gnus-newsgroup-headers))
- (gnus-close-group group)
- (run-hooks 'gnus-exit-group-hook)
- (unless gnus-save-score
- (setq gnus-newsgroup-scored nil))
- ;; Set the new ranges of read articles.
- (gnus-update-read-articles
- group (append gnus-newsgroup-unreads gnus-newsgroup-unselected))
- ;; Set the current article marks.
- (gnus-update-marks)
- ;; Do the cross-ref thing.
- (when gnus-use-cross-reference
- (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
- ;; Do adaptive scoring, and possibly save score files.
- (when gnus-newsgroup-adaptive
- (gnus-score-adaptive))
- (when gnus-use-scoring
- (gnus-score-save))
- ;; Do not switch windows but change the buffer to work.
- (set-buffer gnus-group-buffer)
- (or (gnus-ephemeral-group-p gnus-newsgroup-name)
- (gnus-group-update-group group)))))
-
-(defun gnus-summary-exit (&optional temporary)
- "Exit reading current newsgroup, and then return to group selection mode.
-gnus-exit-group-hook is called with no arguments if that value is non-nil."
- (interactive)
- (gnus-set-global-variables)
- (gnus-kill-save-kill-buffer)
- (let* ((group gnus-newsgroup-name)
- (quit-config (gnus-group-quit-config gnus-newsgroup-name))
- (mode major-mode)
- (buf (current-buffer)))
- (run-hooks 'gnus-summary-prepare-exit-hook)
- ;; If we have several article buffers, we kill them at exit.
- (unless gnus-single-article-buffer
- (gnus-kill-buffer gnus-article-buffer)
- (gnus-kill-buffer gnus-original-article-buffer))
- (when gnus-use-cache
- (gnus-cache-possibly-remove-articles)
- (gnus-cache-save-buffers))
- (when gnus-use-trees
- (gnus-tree-close group))
- ;; Make all changes in this group permanent.
- (unless quit-config
- (gnus-summary-update-info))
- ;; Make sure where I was, and go to next newsgroup.
- (set-buffer gnus-group-buffer)
- (unless quit-config
- (gnus-group-jump-to-group group)
- (gnus-group-next-unread-group 1))
- (run-hooks 'gnus-summary-exit-hook)
- (if temporary
- nil ;Nothing to do.
- ;; If we have several article buffers, we kill them at exit.
- (unless gnus-single-article-buffer
- (gnus-kill-buffer gnus-article-buffer)
- (gnus-kill-buffer gnus-original-article-buffer))
- (set-buffer buf)
- (if (not gnus-kill-summary-on-exit)
- (gnus-deaden-summary)
- ;; We set all buffer-local variables to nil. It is unclear why
- ;; this is needed, but if we don't, buffer-local variables are
- ;; not garbage-collected, it seems. This would the lead to en
- ;; ever-growing Emacs.
- (gnus-summary-clear-local-variables)
- (when (get-buffer gnus-article-buffer)
- (bury-buffer gnus-article-buffer))
- ;; We clear the global counterparts of the buffer-local
- ;; variables as well, just to be on the safe side.
- (gnus-configure-windows 'group 'force)
- (gnus-summary-clear-local-variables)
- ;; Return to group mode buffer.
- (if (eq mode 'gnus-summary-mode)
- (gnus-kill-buffer buf)))
- (setq gnus-current-select-method gnus-select-method)
- (pop-to-buffer gnus-group-buffer)
- ;; Clear the current group name.
- (if (not quit-config)
- (progn
- (gnus-group-jump-to-group group)
- (gnus-group-next-unread-group 1)
- (gnus-configure-windows 'group 'force))
- (if (not (buffer-name (car quit-config)))
- (gnus-configure-windows 'group 'force)
- (set-buffer (car quit-config))
- (and (eq major-mode 'gnus-summary-mode)
- (gnus-set-global-variables))
- (gnus-configure-windows (cdr quit-config))))
- (unless quit-config
- (setq gnus-newsgroup-name nil)))))
-
-(defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
-(defun gnus-summary-exit-no-update (&optional no-questions)
- "Quit reading current newsgroup without updating read article info."
- (interactive)
- (gnus-set-global-variables)
- (let* ((group gnus-newsgroup-name)
- (quit-config (gnus-group-quit-config group)))
- (when (or no-questions
- gnus-expert-user
- (gnus-y-or-n-p "Do you really wanna quit reading this group? "))
- ;; If we have several article buffers, we kill them at exit.
- (unless gnus-single-article-buffer
- (gnus-kill-buffer gnus-article-buffer)
- (gnus-kill-buffer gnus-original-article-buffer))
- (if (not gnus-kill-summary-on-exit)
- (gnus-deaden-summary)
- (gnus-close-group group)
- (gnus-summary-clear-local-variables)
- (set-buffer gnus-group-buffer)
- (gnus-summary-clear-local-variables)
- (when (get-buffer gnus-summary-buffer)
- (kill-buffer gnus-summary-buffer)))
- (when gnus-use-trees
- (gnus-tree-close group))
- (when (get-buffer gnus-article-buffer)
- (bury-buffer gnus-article-buffer))
- ;; Return to the group buffer.
- (gnus-configure-windows 'group 'force)
- ;; Clear the current group name.
- (setq gnus-newsgroup-name nil)
- (when (equal (gnus-group-group-name) group)
- (gnus-group-next-unread-group 1))
- (when quit-config
- (if (not (buffer-name (car quit-config)))
- (gnus-configure-windows 'group 'force)
- (set-buffer (car quit-config))
- (when (eq major-mode 'gnus-summary-mode)
- (gnus-set-global-variables))
- (gnus-configure-windows (cdr quit-config)))))))
-
-;;; Dead summaries.
-
-(defvar gnus-dead-summary-mode-map nil)
-
-(if gnus-dead-summary-mode-map
- nil
- (setq gnus-dead-summary-mode-map (make-keymap))
- (suppress-keymap gnus-dead-summary-mode-map)
- (substitute-key-definition
- 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
- (let ((keys '("\C-d" "\r" "\177")))
- (while keys
- (define-key gnus-dead-summary-mode-map
- (pop keys) 'gnus-summary-wake-up-the-dead))))
-
-(defvar gnus-dead-summary-mode nil
- "Minor mode for Gnus summary buffers.")
-
-(defun gnus-dead-summary-mode (&optional arg)
- "Minor mode for Gnus summary buffers."
- (interactive "P")
- (when (eq major-mode 'gnus-summary-mode)
- (make-local-variable 'gnus-dead-summary-mode)
- (setq gnus-dead-summary-mode
- (if (null arg) (not gnus-dead-summary-mode)
- (> (prefix-numeric-value arg) 0)))
- (when gnus-dead-summary-mode
- (unless (assq 'gnus-dead-summary-mode minor-mode-alist)
- (push '(gnus-dead-summary-mode " Dead") minor-mode-alist))
- (unless (assq 'gnus-dead-summary-mode minor-mode-map-alist)
- (push (cons 'gnus-dead-summary-mode gnus-dead-summary-mode-map)
- minor-mode-map-alist)))))
-
-(defun gnus-deaden-summary ()
- "Make the current summary buffer into a dead summary buffer."
- ;; Kill any previous dead summary buffer.
- (when (and gnus-dead-summary
- (buffer-name gnus-dead-summary))
- (save-excursion
- (set-buffer gnus-dead-summary)
- (when gnus-dead-summary-mode
- (kill-buffer (current-buffer)))))
- ;; Make this the current dead summary.
- (setq gnus-dead-summary (current-buffer))
- (gnus-dead-summary-mode 1)
- (let ((name (buffer-name)))
- (when (string-match "Summary" name)
- (rename-buffer
- (concat (substring name 0 (match-beginning 0)) "Dead "
- (substring name (match-beginning 0))) t))))
-
-(defun gnus-kill-or-deaden-summary (buffer)
- "Kill or deaden the summary BUFFER."
- (cond (gnus-kill-summary-on-exit
- (when (and gnus-use-trees
- (and (get-buffer buffer)
- (buffer-name (get-buffer buffer))))
- (save-excursion
- (set-buffer (get-buffer buffer))
- (gnus-tree-close gnus-newsgroup-name)))
- (gnus-kill-buffer buffer))
- ((and (get-buffer buffer)
- (buffer-name (get-buffer buffer)))
- (save-excursion
- (set-buffer buffer)
- (gnus-deaden-summary)))))
-
-(defun gnus-summary-wake-up-the-dead (&rest args)
- "Wake up the dead summary buffer."
- (interactive)
- (gnus-dead-summary-mode -1)
- (let ((name (buffer-name)))
- (when (string-match "Dead " name)
- (rename-buffer
- (concat (substring name 0 (match-beginning 0))
- (substring name (match-end 0))) t)))
- (gnus-message 3 "This dead summary is now alive again"))
-
-;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
-(defun gnus-summary-fetch-faq (&optional faq-dir)
- "Fetch the FAQ for the current group.
-If FAQ-DIR (the prefix), prompt for a directory to search for the faq
-in."
- (interactive
- (list
- (if current-prefix-arg
- (completing-read
- "Faq dir: " (and (listp gnus-group-faq-directory)
- gnus-group-faq-directory)))))
- (let (gnus-faq-buffer)
- (and (setq gnus-faq-buffer
- (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
- (gnus-configure-windows 'summary-faq))))
-
-;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
-(defun gnus-summary-describe-group (&optional force)
- "Describe the current newsgroup."
- (interactive "P")
- (gnus-group-describe-group force gnus-newsgroup-name))
-
-(defun gnus-summary-describe-briefly ()
- "Describe summary mode commands briefly."
- (interactive)
- (gnus-message 6
- (substitute-command-keys "\\<gnus-summary-mode-map>\\[gnus-summary-next-page]:Select \\[gnus-summary-next-unread-article]:Forward \\[gnus-summary-prev-unread-article]:Backward \\[gnus-summary-exit]:Exit \\[gnus-info-find-node]:Run Info \\[gnus-summary-describe-briefly]:This help")))
-
-;; Walking around group mode buffer from summary mode.
-
-(defun gnus-summary-next-group (&optional no-article target-group backward)
- "Exit current newsgroup and then select next unread newsgroup.
-If prefix argument NO-ARTICLE is non-nil, no article is selected
-initially. If NEXT-GROUP, go to this group. If BACKWARD, go to
-previous group instead."
- (interactive "P")
- (gnus-set-global-variables)
- (let ((current-group gnus-newsgroup-name)
- (current-buffer (current-buffer))
- entered)
- ;; First we semi-exit this group to update Xrefs and all variables.
- ;; We can't do a real exit, because the window conf must remain
- ;; the same in case the user is prompted for info, and we don't
- ;; want the window conf to change before that...
- (gnus-summary-exit t)
- (while (not entered)
- ;; Then we find what group we are supposed to enter.
- (set-buffer gnus-group-buffer)
- (gnus-group-jump-to-group current-group)
- (setq target-group
- (or target-group
- (if (eq gnus-keep-same-level 'best)
- (gnus-summary-best-group gnus-newsgroup-name)
- (gnus-summary-search-group backward gnus-keep-same-level))))
- (if (not target-group)
- ;; There are no further groups, so we return to the group
- ;; buffer.
- (progn
- (gnus-message 5 "Returning to the group buffer")
- (setq entered t)
- (set-buffer current-buffer)
- (gnus-summary-exit))
- ;; We try to enter the target group.
- (gnus-group-jump-to-group target-group)
- (let ((unreads (gnus-group-group-unread)))
- (if (and (or (eq t unreads)
- (and unreads (not (zerop unreads))))
- (gnus-summary-read-group
- target-group nil no-article current-buffer))
- (setq entered t)
- (setq current-group target-group
- target-group nil)))))))
-
-(defun gnus-summary-prev-group (&optional no-article)
- "Exit current newsgroup and then select previous unread newsgroup.
-If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
- (interactive "P")
- (gnus-summary-next-group no-article nil t))
-
-;; Walking around summary lines.
-
-(defun gnus-summary-first-subject (&optional unread)
- "Go to the first unread subject.
-If UNREAD is non-nil, go to the first unread article.
-Returns the article selected or nil if there are no unread articles."
- (interactive "P")
- (prog1
- (cond
- ;; Empty summary.
- ((null gnus-newsgroup-data)
- (gnus-message 3 "No articles in the group")
- nil)
- ;; Pick the first article.
- ((not unread)
- (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
- (gnus-data-number (car gnus-newsgroup-data)))
- ;; No unread articles.
- ((null gnus-newsgroup-unreads)
- (gnus-message 3 "No more unread articles")
- nil)
- ;; Find the first unread article.
- (t
- (let ((data gnus-newsgroup-data))
- (while (and data
- (not (gnus-data-unread-p (car data))))
- (setq data (cdr data)))
- (if data
- (progn
- (goto-char (gnus-data-pos (car data)))
- (gnus-data-number (car data)))))))
- (gnus-summary-position-point)))
-
-(defun gnus-summary-next-subject (n &optional unread dont-display)
- "Go to next N'th summary line.
-If N is negative, go to the previous N'th subject line.
-If UNREAD is non-nil, only unread articles are selected.
-The difference between N and the actual number of steps taken is
-returned."
- (interactive "p")
- (let ((backward (< n 0))
- (n (abs n)))
- (while (and (> n 0)
- (if backward
- (gnus-summary-find-prev unread)
- (gnus-summary-find-next unread)))
- (setq n (1- n)))
- (if (/= 0 n) (gnus-message 7 "No more%s articles"
- (if unread " unread" "")))
- (or dont-display
- (progn
- (gnus-summary-recenter)
- (gnus-summary-position-point)))
- n))
-
-(defun gnus-summary-next-unread-subject (n)
- "Go to next N'th unread summary line."
- (interactive "p")
- (gnus-summary-next-subject n t))
-
-(defun gnus-summary-prev-subject (n &optional unread)
- "Go to previous N'th summary line.
-If optional argument UNREAD is non-nil, only unread article is selected."
- (interactive "p")
- (gnus-summary-next-subject (- n) unread))
-
-(defun gnus-summary-prev-unread-subject (n)
- "Go to previous N'th unread summary line."
- (interactive "p")
- (gnus-summary-next-subject (- n) t))
-
-(defun gnus-summary-goto-subject (article &optional force silent)
- "Go the subject line of ARTICLE.
-If FORCE, also allow jumping to articles not currently shown."
- (let ((b (point))
- (data (gnus-data-find article)))
- ;; We read in the article if we have to.
- (and (not data)
- force
- (gnus-summary-insert-subject article)
- (setq data (gnus-data-find article)))
- (goto-char b)
- (if (not data)
- (progn
- (unless silent
- (gnus-message 3 "Can't find article %d" article))
- nil)
- (goto-char (gnus-data-pos data))
- article)))
-
-;; Walking around summary lines with displaying articles.
-
-(defun gnus-summary-expand-window (&optional arg)
- "Make the summary buffer take up the entire Emacs frame.
-Given a prefix, will force an `article' buffer configuration."
- (interactive "P")
- (gnus-set-global-variables)
- (if arg
- (gnus-configure-windows 'article 'force)
- (gnus-configure-windows 'summary 'force)))
-
-(defun gnus-summary-display-article (article &optional all-header)
- "Display ARTICLE in article buffer."
- (gnus-set-global-variables)
- (if (null article)
- nil
- (prog1
- (if gnus-summary-display-article-function
- (funcall gnus-summary-display-article-function article all-header)
- (gnus-article-prepare article all-header))
- (run-hooks 'gnus-select-article-hook)
- (gnus-summary-recenter)
- (gnus-summary-goto-subject article)
- (when gnus-use-trees
- (gnus-possibly-generate-tree article)
- (gnus-highlight-selected-tree article))
- ;; Successfully display article.
- (gnus-article-set-window-start
- (cdr (assq article gnus-newsgroup-bookmarks)))
- t)))
-
-(defun gnus-summary-select-article (&optional all-headers force pseudo article)
- "Select the current article.
-If ALL-HEADERS is non-nil, show all header fields. If FORCE is
-non-nil, the article will be re-fetched even if it already present in
-the article buffer. If PSEUDO is non-nil, pseudo-articles will also
-be displayed."
- (let ((article (or article (gnus-summary-article-number)))
- (all-headers (not (not all-headers))) ;Must be T or NIL.
- gnus-summary-display-article-function
- did)
- (and (not pseudo)
- (gnus-summary-article-pseudo-p article)
- (error "This is a pseudo-article."))
- (prog1
- (save-excursion
- (set-buffer gnus-summary-buffer)
- (if (or (and gnus-single-article-buffer
- (or (null gnus-current-article)
- (null gnus-article-current)
- (null (get-buffer gnus-article-buffer))
- (not (eq article (cdr gnus-article-current)))
- (not (equal (car gnus-article-current)
- gnus-newsgroup-name))))
- (and (not gnus-single-article-buffer)
- (null gnus-current-article))
- force)
- ;; The requested article is different from the current article.
- (prog1
- (gnus-summary-display-article article all-headers)
- (setq did article))
- (if (or all-headers gnus-show-all-headers)
- (gnus-article-show-all-headers))
- 'old))
- (if did
- (gnus-article-set-window-start
- (cdr (assq article gnus-newsgroup-bookmarks)))))))
-
-(defun gnus-summary-set-current-mark (&optional current-mark)
- "Obsolete function."
- nil)
-
-(defun gnus-summary-next-article (&optional unread subject backward push)
- "Select the next article.
-If UNREAD, only unread articles are selected.
-If SUBJECT, only articles with SUBJECT are selected.
-If BACKWARD, the previous article is selected instead of the next."
- (interactive "P")
- (gnus-set-global-variables)
- (let (header)
- (cond
- ;; Is there such an article?
- ((and (gnus-summary-search-forward unread subject backward)
- (or (gnus-summary-display-article (gnus-summary-article-number))
- (eq (gnus-summary-article-mark) gnus-canceled-mark)))
- (gnus-summary-position-point))
- ;; If not, we try the first unread, if that is wanted.
- ((and subject
- gnus-auto-select-same
- (or (gnus-summary-first-unread-article)
- (eq (gnus-summary-article-mark) gnus-canceled-mark)))
- (gnus-summary-position-point)
- (gnus-message 6 "Wrapped"))
- ;; Try to get next/previous article not displayed in this group.
- ((and gnus-auto-extend-newsgroup
- (not unread) (not subject))
- (gnus-summary-goto-article
- (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
- nil t))
- ;; Go to next/previous group.
- (t
- (or (gnus-ephemeral-group-p gnus-newsgroup-name)
- (gnus-summary-jump-to-group gnus-newsgroup-name))
- (let ((cmd last-command-char)
- (group
- (if (eq gnus-keep-same-level 'best)
- (gnus-summary-best-group gnus-newsgroup-name)
- (gnus-summary-search-group backward gnus-keep-same-level))))
- ;; For some reason, the group window gets selected. We change
- ;; it back.
- (select-window (get-buffer-window (current-buffer)))
- ;; Select next unread newsgroup automagically.
- (cond
- ((not gnus-auto-select-next)
- (gnus-message 7 "No more%s articles" (if unread " unread" "")))
- ((or (eq gnus-auto-select-next 'quietly)
- (and (eq gnus-auto-select-next 'slightly-quietly)
- push)
- (and (eq gnus-auto-select-next 'almost-quietly)
- (gnus-summary-last-article-p)))
- ;; Select quietly.
- (if (gnus-ephemeral-group-p gnus-newsgroup-name)
- (gnus-summary-exit)
- (gnus-message 7 "No more%s articles (%s)..."
- (if unread " unread" "")
- (if group (concat "selecting " group)
- "exiting"))
- (gnus-summary-next-group nil group backward)))
- (t
- (gnus-summary-walk-group-buffer
- gnus-newsgroup-name cmd unread backward))))))))
-
-(defun gnus-summary-walk-group-buffer (from-group cmd unread backward)
- (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
- (?\C-p (gnus-group-prev-unread-group 1))))
- keve key group ended)
- (save-excursion
- (set-buffer gnus-group-buffer)
- (gnus-summary-jump-to-group from-group)
- (setq group
- (if (eq gnus-keep-same-level 'best)
- (gnus-summary-best-group gnus-newsgroup-name)
- (gnus-summary-search-group backward gnus-keep-same-level))))
- (while (not ended)
- (gnus-message
- 5 "No more%s articles%s" (if unread " unread" "")
- (if (and group
- (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
- (format " (Type %s for %s [%s])"
- (single-key-description cmd) group
- (car (gnus-gethash group gnus-newsrc-hashtb)))
- (format " (Type %s to exit %s)"
- (single-key-description cmd)
- gnus-newsgroup-name)))
- ;; Confirm auto selection.
- (setq key (car (setq keve (gnus-read-event-char))))
- (setq ended t)
- (cond
- ((assq key keystrokes)
- (let ((obuf (current-buffer)))
- (switch-to-buffer gnus-group-buffer)
- (and group
- (gnus-group-jump-to-group group))
- (eval (car (cdr (assq key keystrokes))))
- (setq group (gnus-group-group-name))
- (switch-to-buffer obuf))
- (setq ended nil))
- ((equal key cmd)
- (if (or (not group)
- (gnus-ephemeral-group-p gnus-newsgroup-name))
- (gnus-summary-exit)
- (gnus-summary-next-group nil group backward)))
- (t
- (push (cdr keve) unread-command-events))))))
-
-(defun gnus-read-event-char ()
- "Get the next event."
- (let ((event (read-event)))
- (cons (and (numberp event) event) event)))
-
-(defun gnus-summary-next-unread-article ()
- "Select unread article after current one."
- (interactive)
- (gnus-summary-next-article t (and gnus-auto-select-same
- (gnus-summary-article-subject))))
-
-(defun gnus-summary-prev-article (&optional unread subject)
- "Select the article after the current one.
-If UNREAD is non-nil, only unread articles are selected."
- (interactive "P")
- (gnus-summary-next-article unread subject t))
-
-(defun gnus-summary-prev-unread-article ()
- "Select unred article before current one."
- (interactive)
- (gnus-summary-prev-article t (and gnus-auto-select-same
- (gnus-summary-article-subject))))
-
-(defun gnus-summary-next-page (&optional lines circular)
- "Show next page of the selected article.
-If at the end of the current article, select the next article.
-LINES says how many lines should be scrolled up.
-
-If CIRCULAR is non-nil, go to the start of the article instead of
-selecting the next article when reaching the end of the current
-article."
- (interactive "P")
- (setq gnus-summary-buffer (current-buffer))
- (gnus-set-global-variables)
- (let ((article (gnus-summary-article-number))
- (endp nil))
- (gnus-configure-windows 'article)
- (if (or (null gnus-current-article)
- (null gnus-article-current)
- (/= article (cdr gnus-article-current))
- (not (equal (car gnus-article-current) gnus-newsgroup-name)))
- ;; Selected subject is different from current article's.
- (gnus-summary-display-article article)
- (gnus-eval-in-buffer-window
- gnus-article-buffer
- (setq endp (gnus-article-next-page lines)))
- (if endp
- (cond (circular
- (gnus-summary-beginning-of-article))
- (lines
- (gnus-message 3 "End of message"))
- ((null lines)
- (if (and (eq gnus-summary-goto-unread 'never)
- (not (eq article gnus-newsgroup-end)))
- (gnus-summary-next-article)
- (gnus-summary-next-unread-article))))))
- (gnus-summary-recenter)
- (gnus-summary-position-point)))
-
-(defun gnus-summary-prev-page (&optional lines)
- "Show previous page of selected article.
-Argument LINES specifies lines to be scrolled down."
- (interactive "P")
- (gnus-set-global-variables)
- (let ((article (gnus-summary-article-number)))
- (gnus-configure-windows 'article)
- (if (or (null gnus-current-article)
- (null gnus-article-current)
- (/= article (cdr gnus-article-current))
- (not (equal (car gnus-article-current) gnus-newsgroup-name)))
- ;; Selected subject is different from current article's.
- (gnus-summary-display-article article)
- (gnus-summary-recenter)
- (gnus-eval-in-buffer-window gnus-article-buffer
- (gnus-article-prev-page lines))))
- (gnus-summary-position-point))
-
-(defun gnus-summary-scroll-up (lines)
- "Scroll up (or down) one line current article.
-Argument LINES specifies lines to be scrolled up (or down if negative)."
- (interactive "p")
- (gnus-set-global-variables)
- (gnus-configure-windows 'article)
- (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
- (gnus-eval-in-buffer-window
- gnus-article-buffer
- (cond ((> lines 0)
- (if (gnus-article-next-page lines)
- (gnus-message 3 "End of message")))
- ((< lines 0)
- (gnus-article-prev-page (- lines))))))
- (gnus-summary-recenter)
- (gnus-summary-position-point))
-
-(defun gnus-summary-next-same-subject ()
- "Select next article which has the same subject as current one."
- (interactive)
- (gnus-set-global-variables)
- (gnus-summary-next-article nil (gnus-summary-article-subject)))
-
-(defun gnus-summary-prev-same-subject ()
- "Select previous article which has the same subject as current one."
- (interactive)
- (gnus-set-global-variables)
- (gnus-summary-prev-article nil (gnus-summary-article-subject)))
-
-(defun gnus-summary-next-unread-same-subject ()
- "Select next unread article which has the same subject as current one."
- (interactive)
- (gnus-set-global-variables)
- (gnus-summary-next-article t (gnus-summary-article-subject)))
-
-(defun gnus-summary-prev-unread-same-subject ()
- "Select previous unread article which has the same subject as current one."
- (interactive)
- (gnus-set-global-variables)
- (gnus-summary-prev-article t (gnus-summary-article-subject)))
-
-(defun gnus-summary-first-unread-article ()
- "Select the first unread article.
-Return nil if there are no unread articles."
- (interactive)
- (gnus-set-global-variables)
- (prog1
- (if (gnus-summary-first-subject t)
- (progn
- (gnus-summary-show-thread)
- (gnus-summary-first-subject t)
- (gnus-summary-display-article (gnus-summary-article-number))))
- (gnus-summary-position-point)))
-
-(defun gnus-summary-best-unread-article ()
- "Select the unread article with the highest score."
- (interactive)
- (gnus-set-global-variables)
- (let ((best -1000000)
- (data gnus-newsgroup-data)
- article score)
- (while data
- (and (gnus-data-unread-p (car data))
- (> (setq score
- (gnus-summary-article-score (gnus-data-number (car data))))
- best)
- (setq best score
- article (gnus-data-number (car data))))
- (setq data (cdr data)))
- (if article
- (gnus-summary-goto-article article)
- (error "No unread articles"))
- (gnus-summary-position-point)))
-
-(defun gnus-summary-last-subject ()
- "Go to the last displayed subject line in the group."
- (let ((article (gnus-data-number (car (gnus-data-list t)))))
- (when article
- (gnus-summary-goto-subject article))))
-
-(defun gnus-summary-goto-article (article &optional all-headers force)
- "Fetch ARTICLE and display it if it exists.
-If ALL-HEADERS is non-nil, no header lines are hidden."
- (interactive
- (list
- (string-to-int
- (completing-read
- "Article number: "
- (mapcar (lambda (number) (list (int-to-string number)))
- gnus-newsgroup-limit)))
- current-prefix-arg
- t))
- (prog1
- (if (gnus-summary-goto-subject article force)
- (gnus-summary-display-article article all-headers)
- (gnus-message 4 "Couldn't go to article %s" article) nil)
- (gnus-summary-position-point)))
-
-(defun gnus-summary-goto-last-article ()
- "Go to the previously read article."
- (interactive)
- (prog1
- (and gnus-last-article
- (gnus-summary-goto-article gnus-last-article))
- (gnus-summary-position-point)))
-
-(defun gnus-summary-pop-article (number)
- "Pop one article off the history and go to the previous.
-NUMBER articles will be popped off."
- (interactive "p")
- (let (to)
- (setq gnus-newsgroup-history
- (cdr (setq to (nthcdr number gnus-newsgroup-history))))
- (if to
- (gnus-summary-goto-article (car to))
- (error "Article history empty")))
- (gnus-summary-position-point))
-
-;; Summary commands and functions for limiting the summary buffer.
-
-(defun gnus-summary-limit-to-articles (n)
- "Limit the summary buffer to the next N articles.
-If not given a prefix, use the process marked articles instead."
- (interactive "P")
- (gnus-set-global-variables)
- (prog1
- (let ((articles (gnus-summary-work-articles n)))
- (setq gnus-newsgroup-processable nil)
- (gnus-summary-limit articles))
- (gnus-summary-position-point)))
-
-(defun gnus-summary-pop-limit (&optional total)
- "Restore the previous limit.
-If given a prefix, remove all limits."
- (interactive "P")
- (gnus-set-global-variables)
- (when total
- (setq gnus-newsgroup-limits
- (list (mapcar (lambda (h) (mail-header-number h))
- gnus-newsgroup-headers))))
- (unless gnus-newsgroup-limits
- (error "No limit to pop"))
- (prog1
- (gnus-summary-limit nil 'pop)
- (gnus-summary-position-point)))
-
-(defun gnus-summary-limit-to-subject (subject &optional header)
- "Limit the summary buffer to articles that have subjects that match a regexp."
- (interactive "sRegexp: ")
- (unless header
- (setq header "subject"))
- (when (not (equal "" subject))
- (prog1
- (let ((articles (gnus-summary-find-matching
- (or header "subject") subject 'all)))
- (or articles (error "Found no matches for \"%s\"" subject))
- (gnus-summary-limit articles))
- (gnus-summary-position-point))))
-
-(defun gnus-summary-limit-to-author (from)
- "Limit the summary buffer to articles that have authors that match a regexp."
- (interactive "sRegexp: ")
- (gnus-summary-limit-to-subject from "from"))
-
-(defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
-(make-obsolete
- 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
-
-(defun gnus-summary-limit-to-unread (&optional all)
- "Limit the summary buffer to articles that are not marked as read.
-If ALL is non-nil, limit strictly to unread articles."
- (interactive "P")
- (if all
- (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
- (gnus-summary-limit-to-marks
- ;; Concat all the marks that say that an article is read and have
- ;; those removed.
- (list gnus-del-mark gnus-read-mark gnus-ancient-mark
- gnus-killed-mark gnus-kill-file-mark
- gnus-low-score-mark gnus-expirable-mark
- gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark)
- 'reverse)))
-
-(defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-to-marks)
-(make-obsolete 'gnus-summary-delete-marked-with 'gnus-summary-limit-to-marks)
-
-(defun gnus-summary-limit-to-marks (marks &optional reverse)
- "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
-If REVERSE, limit the summary buffer to articles that are not marked
-with MARKS. MARKS can either be a string of marks or a list of marks.
-Returns how many articles were removed."
- (interactive "sMarks: ")
- (gnus-set-global-variables)
- (prog1
- (let ((data gnus-newsgroup-data)
- (marks (if (listp marks) marks
- (append marks nil))) ; Transform to list.
- articles)
- (while data
- (and (if reverse (not (memq (gnus-data-mark (car data)) marks))
- (memq (gnus-data-mark (car data)) marks))
- (setq articles (cons (gnus-data-number (car data)) articles)))
- (setq data (cdr data)))
- (gnus-summary-limit articles))
- (gnus-summary-position-point)))
-
-(defun gnus-summary-limit-to-score (&optional score)
- "Limit to articles with score at or above SCORE."
- (interactive "P")
- (gnus-set-global-variables)
- (setq score (if score
- (prefix-numeric-value score)
- (or gnus-summary-default-score 0)))
- (let ((data gnus-newsgroup-data)
- articles)
- (while data
- (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
- score)
- (push (gnus-data-number (car data)) articles))
- (setq data (cdr data)))
- (prog1
- (gnus-summary-limit articles)
- (gnus-summary-position-point))))
-
-(defun gnus-summary-limit-include-dormant ()
- "Display all the hidden articles that are marked as dormant."
- (interactive)
- (gnus-set-global-variables)
- (or gnus-newsgroup-dormant
- (error "There are no dormant articles in this group"))
- (prog1
- (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
- (gnus-summary-position-point)))
-
-(defun gnus-summary-limit-exclude-dormant ()
- "Hide all dormant articles."
- (interactive)
- (gnus-set-global-variables)
- (prog1
- (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
- (gnus-summary-position-point)))
-
-(defun gnus-summary-limit-exclude-childless-dormant ()
- "Hide all dormant articles that have no children."
- (interactive)
- (gnus-set-global-variables)
- (let ((data (gnus-data-list t))
- articles d children)
- ;; Find all articles that are either not dormant or have
- ;; children.
- (while (setq d (pop data))
- (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
- (and (setq children
- (gnus-article-children (gnus-data-number d)))
- (let (found)
- (while children
- (when (memq (car children) articles)
- (setq children nil
- found t))
- (pop children))
- found)))
- (push (gnus-data-number d) articles)))
- ;; Do the limiting.
- (prog1
- (gnus-summary-limit articles)
- (gnus-summary-position-point))))
-
-(defun gnus-summary-limit-mark-excluded-as-read (&optional all)
- "Mark all unread excluded articles as read.
-If ALL, mark even excluded ticked and dormants as read."
- (interactive "P")
- (let ((articles (gnus-sorted-complement
- (sort
- (mapcar (lambda (h) (mail-header-number h))
- gnus-newsgroup-headers)
- '<)
- (sort gnus-newsgroup-limit '<)))
- article)
- (setq gnus-newsgroup-unreads nil)
- (if all
- (setq gnus-newsgroup-dormant nil
- gnus-newsgroup-marked nil
- gnus-newsgroup-reads
- (nconc
- (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
- gnus-newsgroup-reads))
- (while (setq article (pop articles))
- (unless (or (memq article gnus-newsgroup-dormant)
- (memq article gnus-newsgroup-marked))
- (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
-
-(defun gnus-summary-limit (articles &optional pop)
- (if pop
- ;; We pop the previous limit off the stack and use that.
- (setq articles (car gnus-newsgroup-limits)
- gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
- ;; We use the new limit, so we push the old limit on the stack.
- (setq gnus-newsgroup-limits
- (cons gnus-newsgroup-limit gnus-newsgroup-limits)))
- ;; Set the limit.
- (setq gnus-newsgroup-limit articles)
- (let ((total (length gnus-newsgroup-data))
- (data (gnus-data-find-list (gnus-summary-article-number)))
- found)
- ;; This will do all the work of generating the new summary buffer
- ;; according to the new limit.
- (gnus-summary-prepare)
- ;; Hide any threads, possibly.
- (and gnus-show-threads
- gnus-thread-hide-subtree
- (gnus-summary-hide-all-threads))
- ;; Try to return to the article you were at, or one in the
- ;; neighborhood.
- (if data
- ;; We try to find some article after the current one.
- (while data
- (and (gnus-summary-goto-subject
- (gnus-data-number (car data)) nil t)
- (setq data nil
- found t))
- (setq data (cdr data))))
- (or found
- ;; If there is no data, that means that we were after the last
- ;; article. The same goes when we can't find any articles
- ;; after the current one.
- (progn
- (goto-char (point-max))
- (gnus-summary-find-prev)))
- ;; We return how many articles were removed from the summary
- ;; buffer as a result of the new limit.
- (- total (length gnus-newsgroup-data))))
-
-(defsubst gnus-cut-thread (thread)
- "Go forwards in the thread until we find an article that we want to display."
- (if (eq gnus-fetch-old-headers 'some)
- (while (and thread
- (memq (mail-header-number (car thread))
- gnus-newsgroup-ancient)
- (<= (length (cdr thread)) 1))
- (setq thread (cadr thread)))
- (while (and thread
- (memq (mail-header-number (car thread)) gnus-newsgroup-sparse)
- (= (length (cdr thread)) 1))
- (setq thread (cadr thread))))
- thread)
-
-(defun gnus-cut-threads (threads)
- "Cut off all uninteresting articles from the beginning of threads."
- (when (or (eq gnus-fetch-old-headers 'some)
- (eq gnus-build-sparse-threads 'some)
- (eq gnus-build-sparse-threads 'more))
- (let ((th threads))
- (while th
- (setcar th (gnus-cut-thread (car th)))
- (setq th (cdr th)))))
- threads)
-
-(defun gnus-summary-initial-limit (&optional show-if-empty)
- "Figure out what the initial limit is supposed to be on group entry.
-This entails weeding out unwanted dormants, low-scored articles,
-fetch-old-headers verbiage, and so on."
- ;; Most groups have nothing to remove.
- (if (or gnus-inhibit-limiting
- (and (null gnus-newsgroup-dormant)
- (not (eq gnus-fetch-old-headers 'some))
- (null gnus-summary-expunge-below)
- (not (eq gnus-build-sparse-threads 'some))
- (not (eq gnus-build-sparse-threads 'more))
- (null gnus-thread-expunge-below)
- (not gnus-use-nocem)))
- () ; Do nothing.
- (push gnus-newsgroup-limit gnus-newsgroup-limits)
- (setq gnus-newsgroup-limit nil)
- (mapatoms
- (lambda (node)
- (unless (car (symbol-value node))
- ;; These threads have no parents -- they are roots.
- (let ((nodes (cdr (symbol-value node)))
- thread)
- (while nodes
- (if (and gnus-thread-expunge-below
- (< (gnus-thread-total-score (car nodes))
- gnus-thread-expunge-below))
- (gnus-expunge-thread (pop nodes))
- (setq thread (pop nodes))
- (gnus-summary-limit-children thread))))))
- gnus-newsgroup-dependencies)
- ;; If this limitation resulted in an empty group, we might
- ;; pop the previous limit and use it instead.
- (when (and (not gnus-newsgroup-limit)
- show-if-empty)
- (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
- gnus-newsgroup-limit))
-
-(defun gnus-summary-limit-children (thread)
- "Return 1 if this subthread is visible and 0 if it is not."
- ;; First we get the number of visible children to this thread. This
- ;; is done by recursing down the thread using this function, so this
- ;; will really go down to a leaf article first, before slowly
- ;; working its way up towards the root.
- (when thread
- (let ((children
- (if (cdr thread)
- (apply '+ (mapcar 'gnus-summary-limit-children
- (cdr thread)))
- 0))
- (number (mail-header-number (car thread)))
- score)
- (if (or
- ;; If this article is dormant and has absolutely no visible
- ;; children, then this article isn't visible.
- (and (memq number gnus-newsgroup-dormant)
- (= children 0))
- ;; If this is a "fetch-old-headered" and there is only one
- ;; visible child (or less), then we don't want this article.
- (and (eq gnus-fetch-old-headers 'some)
- (memq number gnus-newsgroup-ancient)
- (zerop children))
- ;; If this is a sparsely inserted article with no children,
- ;; we don't want it.
- (and (eq gnus-build-sparse-threads 'some)
- (memq number gnus-newsgroup-sparse)
- (zerop children))
- ;; If we use expunging, and this article is really
- ;; low-scored, then we don't want this article.
- (when (and gnus-summary-expunge-below
- (< (setq score
- (or (cdr (assq number gnus-newsgroup-scored))
- gnus-summary-default-score))
- gnus-summary-expunge-below))
- ;; We increase the expunge-tally here, but that has
- ;; nothing to do with the limits, really.
- (incf gnus-newsgroup-expunged-tally)
- ;; We also mark as read here, if that's wanted.
- (when (and gnus-summary-mark-below
- (< score gnus-summary-mark-below))
- (setq gnus-newsgroup-unreads
- (delq number gnus-newsgroup-unreads))
- (if gnus-newsgroup-auto-expire
- (push number gnus-newsgroup-expirable)
- (push (cons number gnus-low-score-mark)
- gnus-newsgroup-reads)))
- t)
- (and gnus-use-nocem
- (gnus-nocem-unwanted-article-p (mail-header-id (car thread)))))
- ;; Nope, invisible article.
- 0
- ;; Ok, this article is to be visible, so we add it to the limit
- ;; and return 1.
- (setq gnus-newsgroup-limit (cons number gnus-newsgroup-limit))
- 1))))
-
-(defun gnus-expunge-thread (thread)
- "Mark all articles in THREAD as read."
- (let* ((number (mail-header-number (car thread))))
- (incf gnus-newsgroup-expunged-tally)
- ;; We also mark as read here, if that's wanted.
- (setq gnus-newsgroup-unreads
- (delq number gnus-newsgroup-unreads))
- (if gnus-newsgroup-auto-expire
- (push number gnus-newsgroup-expirable)
- (push (cons number gnus-low-score-mark)
- gnus-newsgroup-reads)))
- ;; Go recursively through all subthreads.
- (mapcar 'gnus-expunge-thread (cdr thread)))
-
-;; Summary article oriented commands
-
-(defun gnus-summary-refer-parent-article (n)
- "Refer parent article N times.
-The difference between N and the number of articles fetched is returned."
- (interactive "p")
- (gnus-set-global-variables)
- (while
- (and
- (> n 0)
- (let* ((header (gnus-summary-article-header))
- (ref
- ;; If we try to find the parent of the currently
- ;; displayed article, then we take a look at the actual
- ;; References header, since this is slightly more
- ;; reliable than the References field we got from the
- ;; server.
- (if (and (eq (mail-header-number header)
- (cdr gnus-article-current))
- (equal gnus-newsgroup-name
- (car gnus-article-current)))
- (save-excursion
- (set-buffer gnus-original-article-buffer)
- (nnheader-narrow-to-headers)
- (prog1
- (mail-fetch-field "references")
- (widen)))
- ;; It's not the current article, so we take a bet on
- ;; the value we got from the server.
- (mail-header-references header))))
- (if (setq ref (or ref (mail-header-references header)))
- (or (gnus-summary-refer-article (gnus-parent-id ref))
- (gnus-message 1 "Couldn't find parent"))
- (gnus-message 1 "No references in article %d"
- (gnus-summary-article-number))
- nil)))
- (setq n (1- n)))
- (gnus-summary-position-point)
- n)
-
-(defun gnus-summary-refer-references ()
- "Fetch all articles mentioned in the References header.
-Return how many articles were fetched."
- (interactive)
- (gnus-set-global-variables)
- (let ((ref (mail-header-references (gnus-summary-article-header)))
- (current (gnus-summary-article-number))
- (n 0))
- ;; For each Message-ID in the References header...
- (while (string-match "<[^>]*>" ref)
- (incf n)
- ;; ... fetch that article.
- (gnus-summary-refer-article
- (prog1 (match-string 0 ref)
- (setq ref (substring ref (match-end 0))))))
- (gnus-summary-goto-subject current)
- (gnus-summary-position-point)
- n))
-
-(defun gnus-summary-refer-article (message-id)
- "Fetch an article specified by MESSAGE-ID."
- (interactive "sMessage-ID: ")
- (when (and (stringp message-id)
- (not (zerop (length message-id))))
- ;; Construct the correct Message-ID if necessary.
- ;; Suggested by tale@pawl.rpi.edu.
- (unless (string-match "^<" message-id)
- (setq message-id (concat "<" message-id)))
- (unless (string-match ">$" message-id)
- (setq message-id (concat message-id ">")))
- (let ((header (car (gnus-gethash (downcase message-id)
- gnus-newsgroup-dependencies))))
- (if header
- ;; The article is present in the buffer, to we just go to it.
- (gnus-summary-goto-article (mail-header-number header) nil t)
- ;; We fetch the article
- (let ((gnus-override-method gnus-refer-article-method)
- number)
- ;; Start the special refer-article method, if necessary.
- (when gnus-refer-article-method
- (gnus-check-server gnus-refer-article-method))
- ;; Fetch the header, and display the article.
- (if (setq number (gnus-summary-insert-subject message-id))
- (gnus-summary-select-article nil nil nil number)
- (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
-
-(defun gnus-summary-enter-digest-group (&optional force)
- "Enter a digest group based on the current article."
- (interactive "P")
- (gnus-set-global-variables)
- (gnus-summary-select-article)
- (let ((name (format "%s-%d"
- (gnus-group-prefixed-name
- gnus-newsgroup-name (list 'nndoc ""))
- gnus-current-article))
- (ogroup gnus-newsgroup-name)
- (case-fold-search t)
- (buf (current-buffer))
- dig)
- (save-excursion
- (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
- (insert-buffer-substring gnus-original-article-buffer)
- (narrow-to-region
- (goto-char (point-min))
- (or (search-forward "\n\n" nil t) (point)))
- (goto-char (point-min))
- (delete-matching-lines "^\\(Path\\):\\|^From ")
- (widen))
- (unwind-protect
- (if (gnus-group-read-ephemeral-group
- name `(nndoc ,name (nndoc-address
- ,(get-buffer dig))
- (nndoc-article-type ,(if force 'digest 'guess))) t)
- ;; Make all postings to this group go to the parent group.
- (nconc (gnus-info-params (gnus-get-info name))
- (list (cons 'to-group ogroup)))
- ;; Couldn't select this doc group.
- (switch-to-buffer buf)
- (gnus-set-global-variables)
- (gnus-configure-windows 'summary)
- (gnus-message 3 "Article couldn't be entered?"))
- (kill-buffer dig))))
-
-(defun gnus-summary-isearch-article (&optional regexp-p)
- "Do incremental search forward on the current article.
-If REGEXP-P (the prefix) is non-nil, do regexp isearch."
- (interactive "P")
- (gnus-set-global-variables)
- (gnus-summary-select-article)
- (gnus-configure-windows 'article)
- (gnus-eval-in-buffer-window
- gnus-article-buffer
- (goto-char (point-min))
- (isearch-forward regexp-p)))
-
-(defun gnus-summary-search-article-forward (regexp &optional backward)
- "Search for an article containing REGEXP forward.
-If BACKWARD, search backward instead."
- (interactive
- (list (read-string
- (format "Search article %s (regexp%s): "
- (if current-prefix-arg "backward" "forward")
- (if gnus-last-search-regexp
- (concat ", default " gnus-last-search-regexp)
- "")))
- current-prefix-arg))
- (gnus-set-global-variables)
- (if (string-equal regexp "")
- (setq regexp (or gnus-last-search-regexp ""))
- (setq gnus-last-search-regexp regexp))
- (if (gnus-summary-search-article regexp backward)
- (gnus-article-set-window-start
- (cdr (assq (gnus-summary-article-number) gnus-newsgroup-bookmarks)))
- (error "Search failed: \"%s\"" regexp)))
-
-(defun gnus-summary-search-article-backward (regexp)
- "Search for an article containing REGEXP backward."
- (interactive
- (list (read-string
- (format "Search article backward (regexp%s): "
- (if gnus-last-search-regexp
- (concat ", default " gnus-last-search-regexp)
- "")))))
- (gnus-summary-search-article-forward regexp 'backward))
-
-(defun gnus-summary-search-article (regexp &optional backward)
- "Search for an article containing REGEXP.
-Optional argument BACKWARD means do search for backward.
-gnus-select-article-hook is not called during the search."
- (let ((gnus-select-article-hook nil) ;Disable hook.
- (gnus-mark-article-hook nil) ;Inhibit marking as read.
- (re-search
- (if backward
- (function re-search-backward) (function re-search-forward)))
- (found nil)
- (last nil))
- ;; Hidden thread subtrees must be searched for ,too.
- (gnus-summary-show-all-threads)
- ;; First of all, search current article.
- ;; We don't want to read article again from NNTP server nor reset
- ;; current point.
- (gnus-summary-select-article)
- (gnus-message 9 "Searching article: %d..." gnus-current-article)
- (setq last gnus-current-article)
- (gnus-eval-in-buffer-window
- gnus-article-buffer
- (save-restriction
- (widen)
- ;; Begin search from current point.
- (setq found (funcall re-search regexp nil t))))
- ;; Then search next articles.
- (while (and (not found)
- (gnus-summary-display-article
- (if backward (gnus-summary-find-prev)
- (gnus-summary-find-next))))
- (gnus-message 9 "Searching article: %d..." gnus-current-article)
- (gnus-eval-in-buffer-window
- gnus-article-buffer
- (save-restriction
- (widen)
- (goto-char (if backward (point-max) (point-min)))
- (setq found (funcall re-search regexp nil t)))))
- (message "")
- ;; Adjust article pointer.
- (or (eq last gnus-current-article)
- (setq gnus-last-article last))
- ;; Return T if found such article.
- found))
-
-(defun gnus-summary-find-matching (header regexp &optional backward unread
- not-case-fold)
- "Return a list of all articles that match REGEXP on HEADER.
-The search stars on the current article and goes forwards unless
-BACKWARD is non-nil. If BACKWARD is `all', do all articles.
-If UNREAD is non-nil, only unread articles will
-be taken into consideration. If NOT-CASE-FOLD, case won't be folded
-in the comparisons."
- (let ((data (if (eq backward 'all) gnus-newsgroup-data
- (gnus-data-find-list
- (gnus-summary-article-number) (gnus-data-list backward))))
- (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
- (case-fold-search (not not-case-fold))
- articles d)
- (or (fboundp (intern (concat "mail-header-" header)))
- (error "%s is not a valid header" header))
- (while data
- (setq d (car data))
- (and (or (not unread) ; We want all articles...
- (gnus-data-unread-p d)) ; Or just unreads.
- (vectorp (gnus-data-header d)) ; It's not a pseudo.
- (string-match regexp (funcall func (gnus-data-header d))) ; Match.
- (setq articles (cons (gnus-data-number d) articles))) ; Success!
- (setq data (cdr data)))
- (nreverse articles)))
-
-(defun gnus-summary-execute-command (header regexp command &optional backward)
- "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
-If HEADER is an empty string (or nil), the match is done on the entire
-article. If BACKWARD (the prefix) is non-nil, search backward instead."
- (interactive
- (list (let ((completion-ignore-case t))
- (completing-read
- "Header name: "
- (mapcar (lambda (string) (list string))
- '("Number" "Subject" "From" "Lines" "Date"
- "Message-ID" "Xref" "References" "Body"))
- nil 'require-match))
- (read-string "Regexp: ")
- (read-key-sequence "Command: ")
- current-prefix-arg))
- (when (equal header "Body")
- (setq header ""))
- (gnus-set-global-variables)
- ;; Hidden thread subtrees must be searched as well.
- (gnus-summary-show-all-threads)
- ;; We don't want to change current point nor window configuration.
- (save-excursion
- (save-window-excursion
- (gnus-message 6 "Executing %s..." (key-description command))
- ;; We'd like to execute COMMAND interactively so as to give arguments.
- (gnus-execute header regexp
- `(lambda () (call-interactively ',(key-binding command)))
- backward)
- (gnus-message 6 "Executing %s...done" (key-description command)))))
-
-(defun gnus-summary-beginning-of-article ()
- "Scroll the article back to the beginning."
- (interactive)
- (gnus-set-global-variables)
- (gnus-summary-select-article)
- (gnus-configure-windows 'article)
- (gnus-eval-in-buffer-window
- gnus-article-buffer
- (widen)
- (goto-char (point-min))
- (and gnus-break-pages (gnus-narrow-to-page))))
-
-(defun gnus-summary-end-of-article ()
- "Scroll to the end of the article."
- (interactive)
- (gnus-set-global-variables)
- (gnus-summary-select-article)
- (gnus-configure-windows 'article)
- (gnus-eval-in-buffer-window
- gnus-article-buffer
- (widen)
- (goto-char (point-max))
- (recenter -3)
- (and gnus-break-pages (gnus-narrow-to-page))))
-
-(defun gnus-summary-show-article (&optional arg)
- "Force re-fetching of the current article.
-If ARG (the prefix) is non-nil, show the raw article without any
-article massaging functions being run."
- (interactive "P")
- (gnus-set-global-variables)
- (if (not arg)
- ;; Select the article the normal way.
- (gnus-summary-select-article nil 'force)
- ;; Bind the article treatment functions to nil.
- (let ((gnus-have-all-headers t)
- gnus-article-display-hook
- gnus-article-prepare-hook
- gnus-visual)
- (gnus-summary-select-article nil 'force)))
-; (gnus-configure-windows 'article)
- (gnus-summary-position-point))
-
-(defun gnus-summary-verbose-headers (&optional arg)
- "Toggle permanent full header display.
-If ARG is a positive number, turn header display on.
-If ARG is a negative number, turn header display off."
- (interactive "P")
- (gnus-set-global-variables)
- (gnus-summary-toggle-header arg)
- (setq gnus-show-all-headers
- (cond ((or (not (numberp arg))
- (zerop arg))
- (not gnus-show-all-headers))
- ((natnump arg)
- t))))
-
-(defun gnus-summary-toggle-header (&optional arg)
- "Show the headers if they are hidden, or hide them if they are shown.
-If ARG is a positive number, show the entire header.
-If ARG is a negative number, hide the unwanted header lines."
- (interactive "P")
- (gnus-set-global-variables)
- (save-excursion
- (set-buffer gnus-article-buffer)
- (let* ((buffer-read-only nil)
- (inhibit-point-motion-hooks t)
- (hidden (text-property-any
- (goto-char (point-min)) (search-forward "\n\n")
- 'invisible t))
- e)
- (goto-char (point-min))
- (when (search-forward "\n\n" nil t)
- (delete-region (point-min) (1- (point))))
- (goto-char (point-min))
- (save-excursion
- (set-buffer gnus-original-article-buffer)
- (goto-char (point-min))
- (setq e (1- (or (search-forward "\n\n" nil t) (point-max)))))
- (insert-buffer-substring gnus-original-article-buffer 1 e)
- (let ((gnus-inhibit-hiding t))
- (run-hooks 'gnus-article-display-hook))
- (if (or (not hidden) (and (numberp arg) (< arg 0)))
- (gnus-article-hide-headers)))))
-
-(defun gnus-summary-show-all-headers ()
- "Make all header lines visible."
- (interactive)
- (gnus-set-global-variables)
- (gnus-article-show-all-headers))
-
-(defun gnus-summary-toggle-mime (&optional arg)
- "Toggle MIME processing.
-If ARG is a positive number, turn MIME processing on."
- (interactive "P")
- (gnus-set-global-variables)
- (setq gnus-show-mime
- (if (null arg) (not gnus-show-mime)
- (> (prefix-numeric-value arg) 0)))
- (gnus-summary-select-article t 'force))
-
-(defun gnus-summary-caesar-message (&optional arg)
- "Caesar rotate the current article by 13.
-The numerical prefix specifies how manu places to rotate each letter
-forward."
- (interactive "P")
- (gnus-set-global-variables)
- (gnus-summary-select-article)
- (let ((mail-header-separator ""))
- (gnus-eval-in-buffer-window
- gnus-article-buffer
- (save-restriction
- (widen)
- (let ((start (window-start)))
- (news-caesar-buffer-body arg)
- (set-window-start (get-buffer-window (current-buffer)) start))))))
-
-(defun gnus-summary-stop-page-breaking ()
- "Stop page breaking in the current article."
- (interactive)
- (gnus-set-global-variables)
- (gnus-summary-select-article)
- (gnus-eval-in-buffer-window gnus-article-buffer (widen)))
-
-(defun gnus-summary-move-article (&optional n to-newsgroup select-method action)
- "Move the current article to a different newsgroup.
-If N is a positive number, move the N next articles.
-If N is a negative number, move the N previous articles.
-If N is nil and any articles have been marked with the process mark,
-move those articles instead.
-If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
-If SELECT-METHOD is symbol, do not move to a specific newsgroup, but
-re-spool using this method.
-
-For this function to work, both the current newsgroup and the
-newsgroup that you want to move to have to support the `request-move'
-and `request-accept' functions."
- (interactive "P")
- (unless action (setq action 'move))
- (gnus-set-global-variables)
- ;; Check whether the source group supports the required functions.
- (cond ((and (eq action 'move)
- (not (gnus-check-backend-function
- 'request-move-article gnus-newsgroup-name)))
- (error "The current group does not support article moving"))
- ((and (eq action 'crosspost)
- (not (gnus-check-backend-function
- 'request-replace-article gnus-newsgroup-name)))
- (error "The current group does not support article editing")))
- (let ((articles (gnus-summary-work-articles n))
- (prefix (gnus-group-real-prefix gnus-newsgroup-name))
- (names '((move "move" "Moving")
- (copy "copy" "Copying")
- (crosspost "crosspost" "Crossposting")))
- (copy-buf (save-excursion
- (nnheader-set-temp-buffer " *copy article*")))
- art-group to-method new-xref article)
- (unless (assq action names)
- (error "Unknown action %s" action))
- ;; Read the newsgroup name.
- (when (and (not to-newsgroup)
- (not select-method))
- (setq to-newsgroup
- (gnus-read-move-group-name
- (cadr (assq action names))
- gnus-current-move-group articles prefix))
- (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
- (setq to-method (if select-method (list select-method "")
- (gnus-find-method-for-group to-newsgroup)))
- ;;(when (equal to-newsgroup gnus-newsgroup-name)
- ;;(error "Can't %s to the same group you're already in" action))
- ;; Check the method we are to move this article to...
- (or (gnus-check-backend-function 'request-accept-article (car to-method))
- (error "%s does not support article copying" (car to-method)))
- (or (gnus-check-server to-method)
- (error "Can't open server %s" (car to-method)))
- (gnus-message 6 "%s to %s: %s..."
- (caddr (assq action names))
- (or select-method to-newsgroup) articles)
- (while articles
- (setq article (pop articles))
- (setq
- art-group
- (cond
- ;; Move the article.
- ((eq action 'move)
- (gnus-request-move-article
- article ; Article to move
- gnus-newsgroup-name ; From newsgrouo
- (nth 1 (gnus-find-method-for-group
- gnus-newsgroup-name)) ; Server
- (list 'gnus-request-accept-article
- (if select-method
- (list 'quote select-method)
- to-newsgroup)
- (not articles)) ; Accept form
- (not articles))) ; Only save nov last time
- ;; Copy the article.
- ((eq action 'copy)
- (save-excursion
- (set-buffer copy-buf)
- (gnus-request-article-this-buffer article gnus-newsgroup-name)
- (gnus-request-accept-article
- (if select-method select-method to-newsgroup)
- (not articles))))
- ;; Crosspost the article.
- ((eq action 'crosspost)
- (let ((xref (mail-header-xref (gnus-summary-article-header article))))
- (setq new-xref (concat gnus-newsgroup-name ":" article))
- (if (and xref (not (string= xref "")))
- (progn
- (when (string-match "^Xref: " xref)
- (setq xref (substring xref (match-end 0))))
- (setq new-xref (concat xref " " new-xref)))
- (setq new-xref (concat (system-name) " " new-xref)))
- (save-excursion
- (set-buffer copy-buf)
- (gnus-request-article-this-buffer article gnus-newsgroup-name)
- (nnheader-replace-header "xref" new-xref)
- (gnus-request-accept-article
- (if select-method select-method to-newsgroup)
- (not articles)))))))
- (if (not art-group)
- (gnus-message 1 "Couldn't %s article %s"
- (cadr (assq action names)) article)
- (let* ((entry
- (or
- (gnus-gethash (car art-group) gnus-newsrc-hashtb)
- (gnus-gethash
- (gnus-group-prefixed-name
- (car art-group)
- (if select-method (list select-method "")
- (gnus-find-method-for-group to-newsgroup)))
- gnus-newsrc-hashtb)))
- (info (nth 2 entry)))
- ;; Update the group that has been moved to.
- (when (and info
- (memq action '(move copy)))
- (unless (memq article gnus-newsgroup-unreads)
- (gnus-info-set-read
- info (gnus-add-to-range (gnus-info-read info)
- (list (cdr art-group)))))
-
- ;; Copy any marks over to the new group.
- (let ((marks gnus-article-mark-lists)
- (to-article (cdr art-group)))
-
- ;; See whether the article is to be put in the cache.
- (when gnus-use-cache
- (gnus-cache-possibly-enter-article
- (gnus-info-group info) to-article
- (let ((header (copy-sequence
- (gnus-summary-article-header article))))
- (mail-header-set-number header to-article)
- header)
- (memq article gnus-newsgroup-marked)
- (memq article gnus-newsgroup-dormant)
- (memq article gnus-newsgroup-unreads)))
-
- (while marks
- (when (memq article (symbol-value
- (intern (format "gnus-newsgroup-%s"
- (caar marks)))))
- (gnus-add-marked-articles
- (gnus-info-group info) (cdar marks)
- (list to-article) info))
- (setq marks (cdr marks)))))
-
- ;; Update the Xref header in this article to point to
- ;; the new crossposted article we have just created.
- (when (eq action 'crosspost)
- (save-excursion
- (set-buffer copy-buf)
- (gnus-request-article-this-buffer article gnus-newsgroup-name)
- (nnheader-replace-header
- "xref" (concat new-xref " " (gnus-group-prefixed-name
- (car art-group) to-method)
- ":" (cdr art-group)))
- (gnus-request-replace-article
- article gnus-newsgroup-name (current-buffer)))))
-
- (gnus-summary-goto-subject article)
- (when (eq action 'move)
- (gnus-summary-mark-article article gnus-canceled-mark)))
- (gnus-summary-remove-process-mark article))
- (gnus-kill-buffer copy-buf)
- (gnus-summary-position-point)
- (gnus-set-mode-line 'summary)))
-
-(defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
- "Move the current article to a different newsgroup.
-If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
-If SELECT-METHOD is symbol, do not move to a specific newsgroup, but
-re-spool using this method."
- (interactive "P")
- (gnus-summary-move-article n nil nil 'copy))
-
-(defun gnus-summary-crosspost-article (&optional n)
- "Crosspost the current article to some other group."
- (interactive "P")
- (gnus-summary-move-article n nil nil 'crosspost))
-
-(defun gnus-summary-respool-article (&optional n respool-method)
- "Respool the current article.
-The article will be squeezed through the mail spooling process again,
-which means that it will be put in some mail newsgroup or other
-depending on `nnmail-split-methods'.
-If N is a positive number, respool the N next articles.
-If N is a negative number, respool the N previous articles.
-If N is nil and any articles have been marked with the process mark,
-respool those articles instead.
-
-Respooling can be done both from mail groups and \"real\" newsgroups.
-In the former case, the articles in question will be moved from the
-current group into whatever groups they are destined to. In the
-latter case, they will be copied into the relevant groups."
- (interactive "P")
- (gnus-set-global-variables)
- (let ((respool-methods (gnus-methods-using 'respool))
- (methname
- (symbol-name (car (gnus-find-method-for-group gnus-newsgroup-name)))))
- (or respool-method
- (setq respool-method
- (completing-read
- "What method do you want to use when respooling? "
- respool-methods nil t methname)))
- (or (string= respool-method "")
- (if (assoc (symbol-name
- (car (gnus-find-method-for-group gnus-newsgroup-name)))
- respool-methods)
- (gnus-summary-move-article n nil (intern respool-method))
- (gnus-summary-copy-article n nil (intern respool-method))))))
-
-(defun gnus-summary-import-article (file)
- "Import a random file into a mail newsgroup."
- (interactive "fImport file: ")
- (gnus-set-global-variables)
- (let ((group gnus-newsgroup-name)
- (now (current-time))
- atts lines)
- (or (gnus-check-backend-function 'request-accept-article group)
- (error "%s does not support article importing" group))
- (or (file-readable-p file)
- (not (file-regular-p file))
- (error "Can't read %s" file))
- (save-excursion
- (set-buffer (get-buffer-create " *import file*"))
- (buffer-disable-undo (current-buffer))
- (erase-buffer)
- (insert-file-contents file)
- (goto-char (point-min))
- (unless (nnheader-article-p)
- ;; This doesn't look like an article, so we fudge some headers.
- (setq atts (file-attributes file)
- lines (count-lines (point-min) (point-max)))
- (insert "From: " (read-string "From: ") "\n"
- "Subject: " (read-string "Subject: ") "\n"
- "Date: " (timezone-make-date-arpa-standard
- (current-time-string (nth 5 atts))
- (current-time-zone now)
- (current-time-zone now)) "\n"
- "Message-ID: " (gnus-inews-message-id) "\n"
- "Lines: " (int-to-string lines) "\n"
- "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
- (gnus-request-accept-article group t)
- (kill-buffer (current-buffer)))))
-
-(defun gnus-summary-expire-articles ()
- "Expire all articles that are marked as expirable in the current group."
- (interactive)
- (gnus-set-global-variables)
- (when (gnus-check-backend-function
- 'request-expire-articles gnus-newsgroup-name)
- ;; This backend supports expiry.
- (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
- (expirable (if total
- (gnus-list-of-read-articles gnus-newsgroup-name)
- (setq gnus-newsgroup-expirable
- (sort gnus-newsgroup-expirable '<))))
- (expiry-wait (gnus-group-get-parameter
- gnus-newsgroup-name 'expiry-wait))
- es)
- (when expirable
- ;; There are expirable articles in this group, so we run them
- ;; through the expiry process.
- (gnus-message 6 "Expiring articles...")
- ;; The list of articles that weren't expired is returned.
- (if expiry-wait
- (let ((nnmail-expiry-wait-function nil)
- (nnmail-expiry-wait expiry-wait))
- (setq es (gnus-request-expire-articles
- expirable gnus-newsgroup-name)))
- (setq es (gnus-request-expire-articles
- expirable gnus-newsgroup-name)))
- (or total (setq gnus-newsgroup-expirable es))
- ;; We go through the old list of expirable, and mark all
- ;; really expired articles as nonexistent.
- (unless (eq es expirable) ;If nothing was expired, we don't mark.
- (let ((gnus-use-cache nil))
- (while expirable
- (unless (memq (car expirable) es)
- (when (gnus-data-find (car expirable))
- (gnus-summary-mark-article
- (car expirable) gnus-canceled-mark)))
- (setq expirable (cdr expirable)))))
- (gnus-message 6 "Expiring articles...done")))))
-
-(defun gnus-summary-expire-articles-now ()
- "Expunge all expirable articles in the current group.
-This means that *all* articles that are marked as expirable will be
-deleted forever, right now."
- (interactive)
- (gnus-set-global-variables)
- (or gnus-expert-user
- (gnus-y-or-n-p
- "Are you really, really, really sure you want to expunge? ")
- (error "Phew!"))
- (let ((nnmail-expiry-wait 'immediate)
- (nnmail-expiry-wait-function nil))
- (gnus-summary-expire-articles)))
-
-;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
-(defun gnus-summary-delete-article (&optional n)
- "Delete the N next (mail) articles.
-This command actually deletes articles. This is not a marking
-command. The article will disappear forever from your life, never to
-return.
-If N is negative, delete backwards.
-If N is nil and articles have been marked with the process mark,
-delete these instead."
- (interactive "P")
- (gnus-set-global-variables)
- (or (gnus-check-backend-function 'request-expire-articles
- gnus-newsgroup-name)
- (error "The current newsgroup does not support article deletion."))
- ;; Compute the list of articles to delete.
- (let ((articles (gnus-summary-work-articles n))
- not-deleted)
- (if (and gnus-novice-user
- (not (gnus-y-or-n-p
- (format "Do you really want to delete %s forever? "
- (if (> (length articles) 1) "these articles"
- "this article")))))
- ()
- ;; Delete the articles.
- (setq not-deleted (gnus-request-expire-articles
- articles gnus-newsgroup-name 'force))
- (while articles
- (gnus-summary-remove-process-mark (car articles))
- ;; The backend might not have been able to delete the article
- ;; after all.
- (or (memq (car articles) not-deleted)
- (gnus-summary-mark-article (car articles) gnus-canceled-mark))
- (setq articles (cdr articles))))
- (gnus-summary-position-point)
- (gnus-set-mode-line 'summary)
- not-deleted))
-
-(defun gnus-summary-edit-article (&optional force)
- "Enter into a buffer and edit the current article.
-This will have permanent effect only in mail groups.
-If FORCE is non-nil, allow editing of articles even in read-only
-groups."
- (interactive "P")
- (save-excursion
- (set-buffer gnus-summary-buffer)
- (gnus-set-global-variables)
- (when (and (not force)
- (gnus-group-read-only-p))
- (error "The current newsgroup does not support article editing."))
- (gnus-summary-select-article t nil t)
- (gnus-configure-windows 'article)
- (select-window (get-buffer-window gnus-article-buffer))
- (gnus-message 6 "C-c C-c to end edits")
- (setq buffer-read-only nil)
- (text-mode)
- (use-local-map (copy-keymap (current-local-map)))
- (local-set-key "\C-c\C-c" 'gnus-summary-edit-article-done)
- (buffer-enable-undo)
- (widen)
- (goto-char (point-min))
- (search-forward "\n\n" nil t)))
-
-(defun gnus-summary-edit-article-done ()
- "Make edits to the current article permanent."
- (interactive)
- (if (gnus-group-read-only-p)
- (progn
- (gnus-summary-edit-article-postpone)
- (gnus-message
- 1 "The current newsgroup does not support article editing.")
- (ding))
- (let ((buf (buffer-substring-no-properties (point-min) (point-max))))
- (erase-buffer)
- (insert buf)
- (if (not (gnus-request-replace-article
- (cdr gnus-article-current) (car gnus-article-current)
- (current-buffer)))
- (error "Couldn't replace article.")
- (gnus-article-mode)
- (use-local-map gnus-article-mode-map)
- (setq buffer-read-only t)
- (buffer-disable-undo (current-buffer))
- (gnus-configure-windows 'summary)
- (gnus-summary-update-article (cdr gnus-article-current)))
- (run-hooks 'gnus-article-display-hook)
- (and (gnus-visual-p 'summary-highlight 'highlight)
- (run-hooks 'gnus-visual-mark-article-hook)))))
-
-(defun gnus-summary-edit-article-postpone ()
- "Postpone changes to the current article."
- (interactive)
- (gnus-article-mode)
- (use-local-map gnus-article-mode-map)
- (setq buffer-read-only t)
- (buffer-disable-undo (current-buffer))
- (gnus-configure-windows 'summary)
- (and (gnus-visual-p 'summary-highlight 'highlight)
- (run-hooks 'gnus-visual-mark-article-hook)))
-
-(defun gnus-summary-respool-query ()
- "Query where the respool algorithm would put this article."
- (interactive)
- (gnus-set-global-variables)
- (gnus-summary-select-article)
- (save-excursion
- (set-buffer gnus-article-buffer)
- (save-restriction
- (goto-char (point-min))
- (search-forward "\n\n")
- (narrow-to-region (point-min) (point))
- (pp-eval-expression
- (list 'quote (mapcar 'car (nnmail-article-group 'identity)))))))
-
-;; Summary score commands.
-
-;; Suggested by boubaker@cenatls.cena.dgac.fr.
-
-(defun gnus-summary-raise-score (n)
- "Raise the score of the current article by N."
- (interactive "p")
- (gnus-set-global-variables)
- (gnus-summary-set-score (+ (gnus-summary-article-score) n)))
-
-(defun gnus-summary-set-score (n)
- "Set the score of the current article to N."
- (interactive "p")
- (gnus-set-global-variables)
- (save-excursion
- (gnus-summary-show-thread)
- (let ((buffer-read-only nil))
- ;; Set score.
- (gnus-summary-update-mark
- (if (= n (or gnus-summary-default-score 0)) ?
- (if (< n (or gnus-summary-default-score 0))
- gnus-score-below-mark gnus-score-over-mark)) 'score))
- (let* ((article (gnus-summary-article-number))
- (score (assq article gnus-newsgroup-scored)))
- (if score (setcdr score n)
- (setq gnus-newsgroup-scored
- (cons (cons article n) gnus-newsgroup-scored))))
- (gnus-summary-update-line)))
-
-(defun gnus-summary-current-score ()
- "Return the score of the current article."
- (interactive)
- (gnus-set-global-variables)
- (message "%s" (gnus-summary-article-score)))
-
-;; Summary marking commands.
-
-(defun gnus-summary-kill-same-subject-and-select (&optional unmark)
- "Mark articles which has the same subject as read, and then select the next.
-If UNMARK is positive, remove any kind of mark.
-If UNMARK is negative, tick articles."
- (interactive "P")
- (gnus-set-global-variables)
- (if unmark
- (setq unmark (prefix-numeric-value unmark)))
- (let ((count
- (gnus-summary-mark-same-subject
- (gnus-summary-article-subject) unmark)))
- ;; Select next unread article. If auto-select-same mode, should
- ;; select the first unread article.
- (gnus-summary-next-article t (and gnus-auto-select-same
- (gnus-summary-article-subject)))
- (gnus-message 7 "%d article%s marked as %s"
- count (if (= count 1) " is" "s are")
- (if unmark "unread" "read"))))
-
-(defun gnus-summary-kill-same-subject (&optional unmark)
- "Mark articles which has the same subject as read.
-If UNMARK is positive, remove any kind of mark.
-If UNMARK is negative, tick articles."
- (interactive "P")
- (gnus-set-global-variables)
- (if unmark
- (setq unmark (prefix-numeric-value unmark)))
- (let ((count
- (gnus-summary-mark-same-subject
- (gnus-summary-article-subject) unmark)))
- ;; If marked as read, go to next unread subject.
- (if (null unmark)
- ;; Go to next unread subject.
- (gnus-summary-next-subject 1 t))
- (gnus-message 7 "%d articles are marked as %s"
- count (if unmark "unread" "read"))))
-
-(defun gnus-summary-mark-same-subject (subject &optional unmark)
- "Mark articles with same SUBJECT as read, and return marked number.
-If optional argument UNMARK is positive, remove any kinds of marks.
-If optional argument UNMARK is negative, mark articles as unread instead."
- (let ((count 1))
- (save-excursion
- (cond
- ((null unmark) ; Mark as read.
- (while (and
- (progn
- (gnus-summary-mark-article-as-read gnus-killed-mark)
- (gnus-summary-show-thread) t)
- (gnus-summary-find-subject subject))
- (setq count (1+ count))))
- ((> unmark 0) ; Tick.
- (while (and
- (progn
- (gnus-summary-mark-article-as-unread gnus-ticked-mark)
- (gnus-summary-show-thread) t)
- (gnus-summary-find-subject subject))
- (setq count (1+ count))))
- (t ; Mark as unread.
- (while (and
- (progn
- (gnus-summary-mark-article-as-unread gnus-unread-mark)
- (gnus-summary-show-thread) t)
- (gnus-summary-find-subject subject))
- (setq count (1+ count)))))
- (gnus-set-mode-line 'summary)
- ;; Return the number of marked articles.
- count)))
-
-(defun gnus-summary-mark-as-processable (n &optional unmark)
- "Set the process mark on the next N articles.
-If N is negative, mark backward instead. If UNMARK is non-nil, remove
-the process mark instead. The difference between N and the actual
-number of articles marked is returned."
- (interactive "p")
- (gnus-set-global-variables)
- (let ((backward (< n 0))
- (n (abs n)))
- (while (and
- (> n 0)
- (if unmark
- (gnus-summary-remove-process-mark
- (gnus-summary-article-number))
- (gnus-summary-set-process-mark (gnus-summary-article-number)))
- (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
- (setq n (1- n)))
- (if (/= 0 n) (gnus-message 7 "No more articles"))
- (gnus-summary-recenter)
- (gnus-summary-position-point)
- n))
-
-(defun gnus-summary-unmark-as-processable (n)
- "Remove the process mark from the next N articles.
-If N is negative, mark backward instead. The difference between N and
-the actual number of articles marked is returned."
- (interactive "p")
- (gnus-set-global-variables)
- (gnus-summary-mark-as-processable n t))
-
-(defun gnus-summary-unmark-all-processable ()
- "Remove the process mark from all articles."
- (interactive)
- (gnus-set-global-variables)
- (save-excursion
- (while gnus-newsgroup-processable
- (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
- (gnus-summary-position-point))
-
-(defun gnus-summary-mark-as-expirable (n)
- "Mark N articles forward as expirable.
-If N is negative, mark backward instead. The difference between N and
-the actual number of articles marked is returned."
- (interactive "p")
- (gnus-set-global-variables)
- (gnus-summary-mark-forward n gnus-expirable-mark))
-
-(defun gnus-summary-mark-article-as-replied (article)
- "Mark ARTICLE replied and update the summary line."
- (setq gnus-newsgroup-replied (cons article gnus-newsgroup-replied))
- (let ((buffer-read-only nil))
- (when (gnus-summary-goto-subject article)
- (gnus-summary-update-secondary-mark article))))
-
-(defun gnus-summary-set-bookmark (article)
- "Set a bookmark in current article."
- (interactive (list (gnus-summary-article-number)))
- (gnus-set-global-variables)
- (if (or (not (get-buffer gnus-article-buffer))
- (not gnus-current-article)
- (not gnus-article-current)
- (not (equal gnus-newsgroup-name (car gnus-article-current))))
- (error "No current article selected"))
- ;; Remove old bookmark, if one exists.
- (let ((old (assq article gnus-newsgroup-bookmarks)))
- (if old (setq gnus-newsgroup-bookmarks
- (delq old gnus-newsgroup-bookmarks))))
- ;; Set the new bookmark, which is on the form
- ;; (article-number . line-number-in-body).
- (setq gnus-newsgroup-bookmarks
- (cons
- (cons article
- (save-excursion
- (set-buffer gnus-article-buffer)
- (count-lines
- (min (point)
- (save-excursion
- (goto-char (point-min))
- (search-forward "\n\n" nil t)
- (point)))
- (point))))
- gnus-newsgroup-bookmarks))
- (gnus-message 6 "A bookmark has been added to the current article."))
-
-(defun gnus-summary-remove-bookmark (article)
- "Remove the bookmark from the current article."
- (interactive (list (gnus-summary-article-number)))
- (gnus-set-global-variables)
- ;; Remove old bookmark, if one exists.
- (let ((old (assq article gnus-newsgroup-bookmarks)))
- (if old
- (progn
- (setq gnus-newsgroup-bookmarks
- (delq old gnus-newsgroup-bookmarks))
- (gnus-message 6 "Removed bookmark."))
- (gnus-message 6 "No bookmark in current article."))))
-
-;; Suggested by Daniel Quinlan <quinlan@best.com>.
-(defun gnus-summary-mark-as-dormant (n)
- "Mark N articles forward as dormant.
-If N is negative, mark backward instead. The difference between N and
-the actual number of articles marked is returned."
- (interactive "p")
- (gnus-set-global-variables)
- (gnus-summary-mark-forward n gnus-dormant-mark))
-
-(defun gnus-summary-set-process-mark (article)
- "Set the process mark on ARTICLE and update the summary line."
- (setq gnus-newsgroup-processable
- (cons article
- (delq article gnus-newsgroup-processable)))
- (when (gnus-summary-goto-subject article)
- (gnus-summary-show-thread)
- (gnus-summary-update-secondary-mark article)))
-
-(defun gnus-summary-remove-process-mark (article)
- "Remove the process mark from ARTICLE and update the summary line."
- (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
- (when (gnus-summary-goto-subject article)
- (gnus-summary-show-thread)
- (gnus-summary-update-secondary-mark article)))
-
-(defun gnus-summary-set-saved-mark (article)
- "Set the process mark on ARTICLE and update the summary line."
- (push article gnus-newsgroup-saved)
- (when (gnus-summary-goto-subject article)
- (gnus-summary-update-secondary-mark article)))
-
-(defun gnus-summary-mark-forward (n &optional mark no-expire)
- "Mark N articles as read forwards.
-If N is negative, mark backwards instead.
-Mark with MARK. If MARK is ? , ?! or ??, articles will be
-marked as unread.
-The difference between N and the actual number of articles marked is
-returned."
- (interactive "p")
- (gnus-set-global-variables)
- (let ((backward (< n 0))
- (gnus-summary-goto-unread
- (and gnus-summary-goto-unread
- (not (eq gnus-summary-goto-unread 'never))
- (not (memq mark (list gnus-unread-mark
- gnus-ticked-mark gnus-dormant-mark)))))
- (n (abs n))
- (mark (or mark gnus-del-mark)))
- (while (and (> n 0)
- (gnus-summary-mark-article nil mark no-expire)
- (zerop (gnus-summary-next-subject
- (if backward -1 1)
- (and gnus-summary-goto-unread
- (not (eq gnus-summary-goto-unread 'never)))
- t)))
- (setq n (1- n)))
- (if (/= 0 n) (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
- (gnus-summary-recenter)
- (gnus-summary-position-point)
- (gnus-set-mode-line 'summary)
- n))
-
-(defun gnus-summary-mark-article-as-read (mark)
- "Mark the current article quickly as read with MARK."
- (let ((article (gnus-summary-article-number)))
- (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
- (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
- (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
- (setq gnus-newsgroup-reads
- (cons (cons article mark) gnus-newsgroup-reads))
- ;; Possibly remove from cache, if that is used.
- (and gnus-use-cache (gnus-cache-enter-remove-article article))
- ;; Allow the backend to change the mark.
- (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
- ;; Check for auto-expiry.
- (when (and gnus-newsgroup-auto-expire
- (or (= mark gnus-killed-mark) (= mark gnus-del-mark)
- (= mark gnus-catchup-mark) (= mark gnus-low-score-mark)
- (= mark gnus-ancient-mark)
- (= mark gnus-read-mark) (= mark gnus-souped-mark)))
- (setq mark gnus-expirable-mark)
- (push article gnus-newsgroup-expirable))
- ;; Set the mark in the buffer.
- (gnus-summary-update-mark mark 'unread)
- t))
-
-(defun gnus-summary-mark-article-as-unread (mark)
- "Mark the current article quickly as unread with MARK."
- (let ((article (gnus-summary-article-number)))
- (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
- (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
- (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
- (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
- (cond ((= mark gnus-ticked-mark)
- (push article gnus-newsgroup-marked))
- ((= mark gnus-dormant-mark)
- (push article gnus-newsgroup-dormant))
- (t
- (push article gnus-newsgroup-unreads)))
- (setq gnus-newsgroup-reads
- (delq (assq article gnus-newsgroup-reads)
- gnus-newsgroup-reads))
-
- ;; See whether the article is to be put in the cache.
- (and gnus-use-cache
- (vectorp (gnus-summary-article-header article))
- (save-excursion
- (gnus-cache-possibly-enter-article
- gnus-newsgroup-name article
- (gnus-summary-article-header article)
- (= mark gnus-ticked-mark)
- (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
-
- ;; Fix the mark.
- (gnus-summary-update-mark mark 'unread)
- t))
-
-(defun gnus-summary-mark-article (&optional article mark no-expire)
- "Mark ARTICLE with MARK. MARK can be any character.
-Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
-`??' (dormant) and `?E' (expirable).
-If MARK is nil, then the default character `?D' is used.
-If ARTICLE is nil, then the article on the current line will be
-marked."
- ;; The mark might be a string.
- (and (stringp mark)
- (setq mark (aref mark 0)))
- ;; If no mark is given, then we check auto-expiring.
- (and (not no-expire)
- gnus-newsgroup-auto-expire
- (or (not mark)
- (and (numberp mark)
- (or (= mark gnus-killed-mark) (= mark gnus-del-mark)
- (= mark gnus-catchup-mark) (= mark gnus-low-score-mark)
- (= mark gnus-read-mark) (= mark gnus-souped-mark))))
- (setq mark gnus-expirable-mark))
- (let* ((mark (or mark gnus-del-mark))
- (article (or article (gnus-summary-article-number))))
- (or article (error "No article on current line"))
- (if (or (= mark gnus-unread-mark)
- (= mark gnus-ticked-mark)
- (= mark gnus-dormant-mark))
- (gnus-mark-article-as-unread article mark)
- (gnus-mark-article-as-read article mark))
-
- ;; See whether the article is to be put in the cache.
- (and gnus-use-cache
- (not (= mark gnus-canceled-mark))
- (vectorp (gnus-summary-article-header article))
- (save-excursion
- (gnus-cache-possibly-enter-article
- gnus-newsgroup-name article
- (gnus-summary-article-header article)
- (= mark gnus-ticked-mark)
- (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
-
- (if (gnus-summary-goto-subject article nil t)
- (let ((buffer-read-only nil))
- (gnus-summary-show-thread)
- ;; Fix the mark.
- (gnus-summary-update-mark mark 'unread)
- t))))
-
-(defun gnus-summary-update-secondary-mark (article)
- "Update the secondary (read, process, cache) mark."
- (gnus-summary-update-mark
- (cond ((memq article gnus-newsgroup-processable)
- gnus-process-mark)
- ((memq article gnus-newsgroup-cached)
- gnus-cached-mark)
- ((memq article gnus-newsgroup-replied)
- gnus-replied-mark)
- ((memq article gnus-newsgroup-saved)
- gnus-saved-mark)
- (t gnus-unread-mark))
- 'replied)
- (when (gnus-visual-p 'summary-highlight 'highlight)
- (run-hooks 'gnus-summary-update-hook))
- t)
-
-(defun gnus-summary-update-mark (mark type)
- (beginning-of-line)
- (let ((forward (cdr (assq type gnus-summary-mark-positions)))
- (buffer-read-only nil))
- (when forward
- ;; Go to the right position on the line.
- (forward-char forward)
- ;; Replace the old mark with the new mark.
- (subst-char-in-region (point) (1+ (point)) (following-char) mark)
- ;; Optionally update the marks by some user rule.
- (when (eq type 'unread)
- (gnus-data-set-mark
- (gnus-data-find (gnus-summary-article-number)) mark)
- (gnus-summary-update-line (eq mark gnus-unread-mark))))))
-
-(defun gnus-mark-article-as-read (article &optional mark)
- "Enter ARTICLE in the pertinent lists and remove it from others."
- ;; Make the article expirable.
- (let ((mark (or mark gnus-del-mark)))
- (if (= mark gnus-expirable-mark)
- (setq gnus-newsgroup-expirable (cons article gnus-newsgroup-expirable))
- (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)))
- ;; Remove from unread and marked lists.
- (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
- (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
- (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
- (push (cons article mark) gnus-newsgroup-reads)
- ;; Possibly remove from cache, if that is used.
- (when gnus-use-cache
- (gnus-cache-enter-remove-article article))))
-
-(defun gnus-mark-article-as-unread (article &optional mark)
- "Enter ARTICLE in the pertinent lists and remove it from others."
- (let ((mark (or mark gnus-ticked-mark)))
- (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
- (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
- (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
- (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
- (cond ((= mark gnus-ticked-mark)
- (push article gnus-newsgroup-marked))
- ((= mark gnus-dormant-mark)
- (push article gnus-newsgroup-dormant))
- (t
- (push article gnus-newsgroup-unreads)))
- (setq gnus-newsgroup-reads
- (delq (assq article gnus-newsgroup-reads)
- gnus-newsgroup-reads))))
-
-(defalias 'gnus-summary-mark-as-unread-forward
- 'gnus-summary-tick-article-forward)
-(make-obsolete 'gnus-summary-mark-as-unread-forward
- 'gnus-summary-tick-article-forward)
-(defun gnus-summary-tick-article-forward (n)
- "Tick N articles forwards.
-If N is negative, tick backwards instead.
-The difference between N and the number of articles ticked is returned."
- (interactive "p")
- (gnus-summary-mark-forward n gnus-ticked-mark))
-
-(defalias 'gnus-summary-mark-as-unread-backward
- 'gnus-summary-tick-article-backward)
-(make-obsolete 'gnus-summary-mark-as-unread-backward
- 'gnus-summary-tick-article-backward)
-(defun gnus-summary-tick-article-backward (n)
- "Tick N articles backwards.
-The difference between N and the number of articles ticked is returned."
- (interactive "p")
- (gnus-summary-mark-forward (- n) gnus-ticked-mark))
-
-(defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
-(make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
-(defun gnus-summary-tick-article (&optional article clear-mark)
- "Mark current article as unread.
-Optional 1st argument ARTICLE specifies article number to be marked as unread.
-Optional 2nd argument CLEAR-MARK remove any kinds of mark."
- (interactive)
- (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
- gnus-ticked-mark)))
-
-(defun gnus-summary-mark-as-read-forward (n)
- "Mark N articles as read forwards.
-If N is negative, mark backwards instead.
-The difference between N and the actual number of articles marked is
-returned."
- (interactive "p")
- (gnus-summary-mark-forward n gnus-del-mark t))
-
-(defun gnus-summary-mark-as-read-backward (n)
- "Mark the N articles as read backwards.
-The difference between N and the actual number of articles marked is
-returned."
- (interactive "p")
- (gnus-summary-mark-forward (- n) gnus-del-mark t))
-
-(defun gnus-summary-mark-as-read (&optional article mark)
- "Mark current article as read.
-ARTICLE specifies the article to be marked as read.
-MARK specifies a string to be inserted at the beginning of the line."
- (gnus-summary-mark-article article mark))
-
-(defun gnus-summary-clear-mark-forward (n)
- "Clear marks from N articles forward.
-If N is negative, clear backward instead.
-The difference between N and the number of marks cleared is returned."
- (interactive "p")
- (gnus-summary-mark-forward n gnus-unread-mark))
-
-(defun gnus-summary-clear-mark-backward (n)
- "Clear marks from N articles backward.
-The difference between N and the number of marks cleared is returned."
- (interactive "p")
- (gnus-summary-mark-forward (- n) gnus-unread-mark))
-
-(defun gnus-summary-mark-unread-as-read ()
- "Intended to be used by `gnus-summary-mark-article-hook'."
- (when (memq gnus-current-article gnus-newsgroup-unreads)
- (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
-
-(defun gnus-summary-mark-unread-and-read-as-read ()
- "Intended to be used by `gnus-summary-mark-article-hook'."
- (let ((mark (gnus-summary-article-mark)))
- (when (or (gnus-unread-mark-p mark)
- (gnus-read-mark-p mark))
- (gnus-summary-mark-article gnus-current-article gnus-read-mark))))
-
-(defun gnus-summary-mark-region-as-read (point mark all)
- "Mark all unread articles between point and mark as read.
-If given a prefix, mark all articles between point and mark as read,
-even ticked and dormant ones."
- (interactive "r\nP")
- (save-excursion
- (let (article)
- (goto-char point)
- (beginning-of-line)
- (while (and
- (< (point) mark)
- (progn
- (when (or all
- (memq (setq article (gnus-summary-article-number))
- gnus-newsgroup-unreads))
- (gnus-summary-mark-article article gnus-del-mark))
- t)
- (gnus-summary-find-next))))))
-
-(defun gnus-summary-mark-below (score mark)
- "Mark articles with score less than SCORE with MARK."
- (interactive "P\ncMark: ")
- (gnus-set-global-variables)
- (setq score (if score
- (prefix-numeric-value score)
- (or gnus-summary-default-score 0)))
- (save-excursion
- (set-buffer gnus-summary-buffer)
- (goto-char (point-min))
- (while
- (progn
- (and (< (gnus-summary-article-score) score)
- (gnus-summary-mark-article nil mark))
- (gnus-summary-find-next)))))
-
-(defun gnus-summary-kill-below (&optional score)
- "Mark articles with score below SCORE as read."
- (interactive "P")
- (gnus-set-global-variables)
- (gnus-summary-mark-below score gnus-killed-mark))
-
-(defun gnus-summary-clear-above (&optional score)
- "Clear all marks from articles with score above SCORE."
- (interactive "P")
- (gnus-set-global-variables)
- (gnus-summary-mark-above score gnus-unread-mark))
-
-(defun gnus-summary-tick-above (&optional score)
- "Tick all articles with score above SCORE."
- (interactive "P")
- (gnus-set-global-variables)
- (gnus-summary-mark-above score gnus-ticked-mark))
-
-(defun gnus-summary-mark-above (score mark)
- "Mark articles with score over SCORE with MARK."
- (interactive "P\ncMark: ")
- (gnus-set-global-variables)
- (setq score (if score
- (prefix-numeric-value score)
- (or gnus-summary-default-score 0)))
- (save-excursion
- (set-buffer gnus-summary-buffer)
- (goto-char (point-min))
- (while (and (progn
- (if (> (gnus-summary-article-score) score)
- (gnus-summary-mark-article nil mark))
- t)
- (gnus-summary-find-next)))))
-
-;; Suggested by Daniel Quinlan <quinlan@best.com>.
-(defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
-(defun gnus-summary-limit-include-expunged ()
- "Display all the hidden articles that were expunged for low scores."
- (interactive)
- (gnus-set-global-variables)
- (let ((buffer-read-only nil))
- (let ((scored gnus-newsgroup-scored)
- headers h)
- (while scored
- (or (gnus-summary-goto-subject (car (car scored)))
- (and (setq h (gnus-summary-article-header (car (car scored))))
- (< (cdr (car scored)) gnus-summary-expunge-below)
- (setq headers (cons h headers))))
- (setq scored (cdr scored)))
- (or headers (error "No expunged articles hidden."))
- (goto-char (point-min))
- (gnus-summary-prepare-unthreaded (nreverse headers)))
- (goto-char (point-min))
- (gnus-summary-position-point)))
-
-(defun gnus-summary-catchup (&optional all quietly to-here not-mark)
- "Mark all articles not marked as unread in this newsgroup as read.
-If prefix argument ALL is non-nil, all articles are marked as read.
-If QUIETLY is non-nil, no questions will be asked.
-If TO-HERE is non-nil, it should be a point in the buffer. All
-articles before this point will be marked as read.
-The number of articles marked as read is returned."
- (interactive "P")
- (gnus-set-global-variables)
- (prog1
- (if (or quietly
- (not gnus-interactive-catchup) ;Without confirmation?
- gnus-expert-user
- (gnus-y-or-n-p
- (if all
- "Mark absolutely all articles as read? "
- "Mark all unread articles as read? ")))
- (if (and not-mark
- (not gnus-newsgroup-adaptive)
- (not gnus-newsgroup-auto-expire))
- (progn
- (when all
- (setq gnus-newsgroup-marked nil
- gnus-newsgroup-dormant nil))
- (setq gnus-newsgroup-unreads nil))
- ;; We actually mark all articles as canceled, which we
- ;; have to do when using auto-expiry or adaptive scoring.
- (gnus-summary-show-all-threads)
- (if (gnus-summary-first-subject (not all))
- (while (and
- (if to-here (< (point) to-here) t)
- (gnus-summary-mark-article-as-read gnus-catchup-mark)
- (gnus-summary-find-next (not all)))))
- (unless to-here
- (setq gnus-newsgroup-unreads nil))
- (gnus-set-mode-line 'summary)))
- (let ((method (gnus-find-method-for-group gnus-newsgroup-name)))
- (if (and (not to-here) (eq 'nnvirtual (car method)))
- (nnvirtual-catchup-group
- (gnus-group-real-name gnus-newsgroup-name) (nth 1 method) all)))
- (gnus-summary-position-point)))
-
-(defun gnus-summary-catchup-to-here (&optional all)
- "Mark all unticked articles before the current one as read.
-If ALL is non-nil, also mark ticked and dormant articles as read."
- (interactive "P")
- (gnus-set-global-variables)
- (save-excursion
- (let ((beg (point)))
- ;; We check that there are unread articles.
- (when (or all (gnus-summary-find-prev))
- (gnus-summary-catchup all t beg))))
- (gnus-summary-position-point))
-
-(defun gnus-summary-catchup-all (&optional quietly)
- "Mark all articles in this newsgroup as read."
- (interactive "P")
- (gnus-set-global-variables)
- (gnus-summary-catchup t quietly))
-
-(defun gnus-summary-catchup-and-exit (&optional all quietly)
- "Mark all articles not marked as unread in this newsgroup as read, then exit.
-If prefix argument ALL is non-nil, all articles are marked as read."
- (interactive "P")
- (gnus-set-global-variables)
- (gnus-summary-catchup all quietly nil 'fast)
- ;; Select next newsgroup or exit.
- (if (eq gnus-auto-select-next 'quietly)
- (gnus-summary-next-group nil)
- (gnus-summary-exit)))
-
-(defun gnus-summary-catchup-all-and-exit (&optional quietly)
- "Mark all articles in this newsgroup as read, and then exit."
- (interactive "P")
- (gnus-set-global-variables)
- (gnus-summary-catchup-and-exit t quietly))
-
-;; Suggested by "Arne Eofsson" <arne@hodgkin.mbi.ucla.edu>.
-(defun gnus-summary-catchup-and-goto-next-group (&optional all)
- "Mark all articles in this group as read and select the next group.
-If given a prefix, mark all articles, unread as well as ticked, as
-read."
- (interactive "P")
- (gnus-set-global-variables)
- (save-excursion
- (gnus-summary-catchup all))
- (gnus-summary-next-article t nil nil t))
-
-;; Thread-based commands.
-
-(defun gnus-summary-articles-in-thread (&optional article)
- "Return a list of all articles in the current thread.
-If ARTICLE is non-nil, return all articles in the thread that starts
-with that article."
- (let* ((article (or article (gnus-summary-article-number)))
- (data (gnus-data-find-list article))
- (top-level (gnus-data-level (car data)))
- (top-subject
- (cond ((null gnus-thread-operation-ignore-subject)
- (gnus-simplify-subject-re
- (mail-header-subject (gnus-data-header (car data)))))
- ((eq gnus-thread-operation-ignore-subject 'fuzzy)
- (gnus-simplify-subject-fuzzy
- (mail-header-subject (gnus-data-header (car data)))))
- (t nil)))
- articles)
- (if (not data)
- () ; This article doesn't exist.
- (while data
- (and (or (not top-subject)
- (string= top-subject
- (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
- (gnus-simplify-subject-fuzzy
- (mail-header-subject
- (gnus-data-header (car data))))
- (gnus-simplify-subject-re
- (mail-header-subject
- (gnus-data-header (car data)))))))
- (setq articles (cons (gnus-data-number (car data)) articles)))
- (if (and (setq data (cdr data))
- (> (gnus-data-level (car data)) top-level))
- ()
- (setq data nil)))
- ;; Return the list of articles.
- (nreverse articles))))
-
-(defun gnus-summary-rethread-current ()
- "Rethread the thread the current article is part of."
- (interactive)
- (gnus-set-global-variables)
- (let* ((gnus-show-threads t)
- (article (gnus-summary-article-number))
- (id (mail-header-id (gnus-summary-article-header)))
- (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
- (unless id
- (error "No article on the current line"))
- (gnus-rebuild-thread id)
- (gnus-summary-goto-subject article)))
-
-(defun gnus-summary-reparent-thread ()
- "Make current article child of the marked (or previous) article.
-
-Note that the re-threading will only work if `gnus-thread-ignore-subject'
-is non-nil or the Subject: of both articles are the same."
- (interactive)
- (or (not (gnus-group-read-only-p))
- (error "The current newsgroup does not support article editing."))
- (or (<= (length gnus-newsgroup-processable) 1)
- (error "No more than one article may be marked."))
- (save-window-excursion
- (let ((gnus-article-buffer " *reparent*")
- (current-article (gnus-summary-article-number))
- ; first grab the marked article, otherwise one line up.
- (parent-article (if (not (null gnus-newsgroup-processable))
- (car gnus-newsgroup-processable)
- (save-excursion
- (if (eq (forward-line -1) 0)
- (gnus-summary-article-number)
- (error "Beginning of summary buffer."))))))
- (or (not (eq current-article parent-article))
- (error "An article may not be self-referential."))
- (let ((message-id (mail-header-id
- (gnus-summary-article-header parent-article))))
- (or (and message-id (not (equal message-id "")))
- (error "No message-id in desired parent."))
- (gnus-summary-select-article t t nil current-article)
- (set-buffer gnus-article-buffer)
- (setq buffer-read-only nil)
- (let ((buf (buffer-substring-no-properties (point-min) (point-max))))
- (erase-buffer)
- (insert buf))
- (goto-char (point-min))
- (if (search-forward-regexp "^References: " nil t)
- (insert message-id " " )
- (insert "References: " message-id "\n"))
- (or (gnus-request-replace-article current-article
- (car gnus-article-current)
- gnus-article-buffer)
- (error "Couldn't replace article."))
- (set-buffer gnus-summary-buffer)
- (gnus-summary-unmark-all-processable)
- (gnus-summary-rethread-current)
- (message "Article %d is now the child of article %d."
- current-article parent-article)))))
-
-(defun gnus-summary-toggle-threads (&optional arg)
- "Toggle showing conversation threads.
-If ARG is positive number, turn showing conversation threads on."
- (interactive "P")
- (gnus-set-global-variables)
- (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
- (setq gnus-show-threads
- (if (null arg) (not gnus-show-threads)
- (> (prefix-numeric-value arg) 0)))
- (gnus-summary-prepare)
- (gnus-summary-goto-subject current)
- (gnus-summary-position-point)))
-
-(defun gnus-summary-show-all-threads ()
- "Show all threads."
- (interactive)
- (gnus-set-global-variables)
- (save-excursion
- (let ((buffer-read-only nil))
- (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
- (gnus-summary-position-point))
-
-(defun gnus-summary-show-thread ()
- "Show thread subtrees.
-Returns nil if no thread was there to be shown."
- (interactive)
- (gnus-set-global-variables)
- (let ((buffer-read-only nil)
- (orig (point))
- ;; first goto end then to beg, to have point at beg after let
- (end (progn (end-of-line) (point)))
- (beg (progn (beginning-of-line) (point))))
- (prog1
- ;; Any hidden lines here?
- (search-forward "\r" end t)
- (subst-char-in-region beg end ?\^M ?\n t)
- (goto-char orig)
- (gnus-summary-position-point))))
-
-(defun gnus-summary-hide-all-threads ()
- "Hide all thread subtrees."
- (interactive)
- (gnus-set-global-variables)
- (save-excursion
- (goto-char (point-min))
- (gnus-summary-hide-thread)
- (while (zerop (gnus-summary-next-thread 1 t))
- (gnus-summary-hide-thread)))
- (gnus-summary-position-point))
-
-(defun gnus-summary-hide-thread ()
- "Hide thread subtrees.
-Returns nil if no threads were there to be hidden."
- (interactive)
- (gnus-set-global-variables)
- (let ((buffer-read-only nil)
- (start (point))
- (article (gnus-summary-article-number))
- end)
- (goto-char start)
- ;; Go forward until either the buffer ends or the subthread
- ;; ends.
- (when (and (not (eobp))
- (or (zerop (gnus-summary-next-thread 1 t))
- (goto-char (point-max))))
- (setq end (point))
- (prog1
- (if (and (> (point) start)
- (search-backward "\n" start t))
- (progn
- (subst-char-in-region start (point) ?\n ?\^M)
- (gnus-summary-goto-subject article))
- (goto-char start)
- nil)
- (gnus-summary-position-point)))))
-
-(defun gnus-summary-go-to-next-thread (&optional previous)
- "Go to the same level (or less) next thread.
-If PREVIOUS is non-nil, go to previous thread instead.
-Return the article number moved to, or nil if moving was impossible."
- (let* ((level (gnus-summary-thread-level))
- (article (gnus-summary-article-number))
- (data (cdr (gnus-data-find-list article (gnus-data-list previous))))
- oart)
- (while data
- (if (<= (gnus-data-level (car data)) level)
- (setq oart (gnus-data-number (car data))
- data nil)
- (setq data (cdr data))))
- (and oart
- (gnus-summary-goto-subject oart))))
-
-(defun gnus-summary-next-thread (n &optional silent)
- "Go to the same level next N'th thread.
-If N is negative, search backward instead.
-Returns the difference between N and the number of skips actually
-done.
-
-If SILENT, don't output messages."
- (interactive "p")
- (gnus-set-global-variables)
- (let ((backward (< n 0))
- (n (abs n))
- old dum)
- (while (and (> n 0)
- (setq old (save-excursion (forward-line 1) (point)))
- (gnus-summary-go-to-next-thread backward))
- (when (and (eq gnus-summary-make-false-root 'dummy)
- (setq dum (text-property-not-all
- old (point) 'gnus-intangible nil)))
- (goto-char dum))
- (decf n))
- (gnus-summary-position-point)
- (when (and (not silent) (/= 0 n))
- (gnus-message 7 "No more threads"))
- n))
-
-(defun gnus-summary-prev-thread (n)
- "Go to the same level previous N'th thread.
-Returns the difference between N and the number of skips actually
-done."
- (interactive "p")
- (gnus-set-global-variables)
- (gnus-summary-next-thread (- n)))
-
-(defun gnus-summary-go-down-thread ()
- "Go down one level in the current thread."
- (let ((children (gnus-summary-article-children)))
- (and children
- (gnus-summary-goto-subject (car children)))))
-
-(defun gnus-summary-go-up-thread ()
- "Go up one level in the current thread."
- (let ((parent (gnus-summary-article-parent)))
- (and parent
- (gnus-summary-goto-subject parent))))
-
-(defun gnus-summary-down-thread (n)
- "Go down thread N steps.
-If N is negative, go up instead.
-Returns the difference between N and how many steps down that were
-taken."
- (interactive "p")
- (gnus-set-global-variables)
- (let ((up (< n 0))
- (n (abs n)))
- (while (and (> n 0)
- (if up (gnus-summary-go-up-thread)
- (gnus-summary-go-down-thread)))
- (setq n (1- n)))
- (gnus-summary-position-point)
- (if (/= 0 n) (gnus-message 7 "Can't go further"))
- n))
-
-(defun gnus-summary-up-thread (n)
- "Go up thread N steps.
-If N is negative, go up instead.
-Returns the difference between N and how many steps down that were
-taken."
- (interactive "p")
- (gnus-set-global-variables)
- (gnus-summary-down-thread (- n)))
-
-(defun gnus-summary-top-thread ()
- "Go to the top of the thread."
- (interactive)
- (gnus-set-global-variables)
- (while (gnus-summary-go-up-thread))
- (gnus-summary-article-number))
-
-(defun gnus-summary-kill-thread (&optional unmark)
- "Mark articles under current thread as read.
-If the prefix argument is positive, remove any kinds of marks.
-If the prefix argument is negative, tick articles instead."
- (interactive "P")
- (gnus-set-global-variables)
- (if unmark
- (setq unmark (prefix-numeric-value unmark)))
- (let ((articles (gnus-summary-articles-in-thread)))
- (save-excursion
- ;; Expand the thread.
- (gnus-summary-show-thread)
- ;; Mark all the articles.
- (while articles
- (gnus-summary-goto-subject (car articles))
- (cond ((null unmark)
- (gnus-summary-mark-article-as-read gnus-killed-mark))
- ((> unmark 0)
- (gnus-summary-mark-article-as-unread gnus-unread-mark))
- (t
- (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
- (setq articles (cdr articles))))
- ;; Hide killed subtrees.
- (and (null unmark)
- gnus-thread-hide-killed
- (gnus-summary-hide-thread))
- ;; If marked as read, go to next unread subject.
- (if (null unmark)
- ;; Go to next unread subject.
- (gnus-summary-next-subject 1 t)))
- (gnus-set-mode-line 'summary))
-
-;; Summary sorting commands
-
-(defun gnus-summary-sort-by-number (&optional reverse)
- "Sort summary buffer by article number.
-Argument REVERSE means reverse order."
- (interactive "P")
- (gnus-summary-sort 'number reverse))
-
-(defun gnus-summary-sort-by-author (&optional reverse)
- "Sort summary buffer by author name alphabetically.
-If case-fold-search is non-nil, case of letters is ignored.
-Argument REVERSE means reverse order."
- (interactive "P")
- (gnus-summary-sort 'author reverse))
-
-(defun gnus-summary-sort-by-subject (&optional reverse)
- "Sort summary buffer by subject alphabetically. `Re:'s are ignored.
-If case-fold-search is non-nil, case of letters is ignored.
-Argument REVERSE means reverse order."
- (interactive "P")
- (gnus-summary-sort 'subject reverse))
-
-(defun gnus-summary-sort-by-date (&optional reverse)
- "Sort summary buffer by date.
-Argument REVERSE means reverse order."
- (interactive "P")
- (gnus-summary-sort 'date reverse))
-
-(defun gnus-summary-sort-by-score (&optional reverse)
- "Sort summary buffer by score.
-Argument REVERSE means reverse order."
- (interactive "P")
- (gnus-summary-sort 'score reverse))
-
-(defun gnus-summary-sort (predicate reverse)
- "Sort summary buffer by PREDICATE. REVERSE means reverse order."
- (gnus-set-global-variables)
- (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
- (article (intern (format "gnus-article-sort-by-%s" predicate)))
- (gnus-thread-sort-functions
- (list
- (if (not reverse)
- thread
- `(lambda (t1 t2)
- (,thread t2 t1)))))
- (gnus-article-sort-functions
- (list
- (if (not reverse)
- article
- `(lambda (t1 t2)
- (,article t2 t1)))))
- (buffer-read-only)
- (gnus-summary-prepare-hook nil))
- ;; We do the sorting by regenerating the threads.
- (gnus-summary-prepare)
- ;; Hide subthreads if needed.
- (when (and gnus-show-threads gnus-thread-hide-subtree)
- (gnus-summary-hide-all-threads)))
- ;; If in async mode, we send some info to the backend.
- (when gnus-newsgroup-async
- (gnus-request-asynchronous
- gnus-newsgroup-name gnus-newsgroup-data)))
-
-(defun gnus-sortable-date (date)
- "Make sortable string by string-lessp from DATE.
-Timezone package is used."
- (let* ((date (timezone-fix-time date nil nil)) ;[Y M D H M S]
- (year (aref date 0))
- (month (aref date 1))
- (day (aref date 2)))
- (timezone-make-sortable-date
- year month day
- (timezone-make-time-string
- (aref date 3) (aref date 4) (aref date 5)))))
-
-;; Summary saving commands.
-
-(defun gnus-summary-save-article (&optional n not-saved)
- "Save the current article using the default saver function.
-If N is a positive number, save the N next articles.
-If N is a negative number, save the N previous articles.
-If N is nil and any articles have been marked with the process mark,
-save those articles instead.
-The variable `gnus-default-article-saver' specifies the saver function."
- (interactive "P")
- (gnus-set-global-variables)
- (let ((articles (gnus-summary-work-articles n))
- file header article)
- (while articles
- (setq header (gnus-summary-article-header
- (setq article (pop articles))))
- (if (not (vectorp header))
- ;; This is a pseudo-article.
- (if (assq 'name header)
- (gnus-copy-file (cdr (assq 'name header)))
- (gnus-message 1 "Article %d is unsaveable" article))
- ;; This is a real article.
- (save-window-excursion
- (gnus-summary-select-article t nil nil article))
- (unless gnus-save-all-headers
- ;; Remove headers accoring to `gnus-saved-headers'.
- (let ((gnus-visible-headers
- (or gnus-saved-headers gnus-visible-headers)))
- (gnus-article-hide-headers nil t)))
- ;; Remove any X-Gnus lines.
- (save-excursion
- (set-buffer gnus-article-buffer)
- (save-restriction
- (let ((buffer-read-only nil))
- (nnheader-narrow-to-headers)
- (while (re-search-forward "^X-Gnus" nil t)
- (gnus-delete-line)))))
- (save-window-excursion
- (if (not gnus-default-article-saver)
- (error "No default saver is defined.")
- (setq file (funcall
- gnus-default-article-saver
- (cond
- ((not gnus-prompt-before-saving)
- 'default)
- ((eq gnus-prompt-before-saving 'always)
- nil)
- (t file))))))
- (gnus-summary-remove-process-mark article)
- (unless not-saved
- (gnus-summary-set-saved-mark article))))
- (gnus-summary-position-point)
- n))
-
-(defun gnus-summary-pipe-output (&optional arg)
- "Pipe the current article to a subprocess.
-If N is a positive number, pipe the N next articles.
-If N is a negative number, pipe the N previous articles.
-If N is nil and any articles have been marked with the process mark,
-pipe those articles instead."
- (interactive "P")
- (gnus-set-global-variables)
- (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe))
- (gnus-summary-save-article arg t))
- (gnus-configure-windows 'pipe))
-
-(defun gnus-summary-save-article-mail (&optional arg)
- "Append the current article to an mail file.
-If N is a positive number, save the N next articles.
-If N is a negative number, save the N previous articles.
-If N is nil and any articles have been marked with the process mark,
-save those articles instead."
- (interactive "P")
- (gnus-set-global-variables)
- (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
- (gnus-summary-save-article arg)))
-
-(defun gnus-summary-save-article-rmail (&optional arg)
- "Append the current article to an rmail file.
-If N is a positive number, save the N next articles.
-If N is a negative number, save the N previous articles.
-If N is nil and any articles have been marked with the process mark,
-save those articles instead."
- (interactive "P")
- (gnus-set-global-variables)
- (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
- (gnus-summary-save-article arg)))
-
-(defun gnus-summary-save-article-file (&optional arg)
- "Append the current article to a file.
-If N is a positive number, save the N next articles.
-If N is a negative number, save the N previous articles.
-If N is nil and any articles have been marked with the process mark,
-save those articles instead."
- (interactive "P")
- (gnus-set-global-variables)
- (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
- (gnus-summary-save-article arg)))
-
-(defun gnus-summary-save-article-body-file (&optional arg)
- "Append the current article body to a file.
-If N is a positive number, save the N next articles.
-If N is a negative number, save the N previous articles.
-If N is nil and any articles have been marked with the process mark,
-save those articles instead."
- (interactive "P")
- (gnus-set-global-variables)
- (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
- (gnus-summary-save-article arg)))
-
-(defun gnus-get-split-value (methods)
- "Return a value based on the split METHODS."
- (let (split-name method result match)
- (when methods
- (save-excursion
- (set-buffer gnus-original-article-buffer)
- (save-restriction
- (nnheader-narrow-to-headers)
- (while methods
- (goto-char (point-min))
- (setq method (pop methods))
- (setq match (pop method))
- (when (cond
- ((stringp match)
- ;; Regular expression.
- (condition-case ()
- (re-search-forward match nil t)
- (error nil)))
- ((gnus-functionp match)
- ;; Function.
- (save-restriction
- (widen)
- (setq result (funcall match gnus-newsgroup-name))))
- ((consp match)
- ;; Form.
- (save-restriction
- (widen)
- (setq result (eval match)))))
- (setq split-name (append (cdr methods) split-name))
- (cond ((stringp result)
- (push result split-name))
- ((consp result)
- (setq split-name (append result split-name)))))))))
- split-name))
-
-(defun gnus-read-move-group-name (prompt default articles prefix)
- "Read a group name."
- (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
- (prom
- (format "Where do you want to %s %s? "
- prompt
- (if (> (length articles) 1)
- (format "these %d articles" (length articles))
- "this article")))
- (to-newsgroup
- (cond
- ((null split-name)
- (completing-read
- (concat prom
- (if default
- (format "(default %s) " default)
- ""))
- gnus-active-hashtb nil nil prefix))
- ((= 1 (length split-name))
- (completing-read prom gnus-active-hashtb
- nil nil (cons (car split-name) 0)))
- (t
- (completing-read
- prom (mapcar (lambda (el) (list el)) (nreverse split-name)))))))
-
- (when to-newsgroup
- (if (or (string= to-newsgroup "")
- (string= to-newsgroup prefix))
- (setq to-newsgroup (or default "")))
- (or (gnus-active to-newsgroup)
- (gnus-activate-group to-newsgroup)
- (error "No such group: %s" to-newsgroup)))
- to-newsgroup))
-
-(defun gnus-read-save-file-name (prompt default-name)
- (let* ((split-name (gnus-get-split-value gnus-split-methods))
- (file
- ;; Let the split methods have their say.
- (cond
- ;; No split name was found.
- ((null split-name)
- (read-file-name
- (concat prompt " (default "
- (file-name-nondirectory default-name) ") ")
- (file-name-directory default-name)
- default-name))
- ;; A single split name was found
- ((= 1 (length split-name))
- (read-file-name
- (concat prompt " (default " (car split-name) ") ")
- gnus-article-save-directory
- (concat gnus-article-save-directory (car split-name))))
- ;; A list of splits was found.
- (t
- (setq split-name (mapcar (lambda (el) (list el))
- (nreverse split-name)))
- (let ((result (completing-read
- (concat prompt " ") split-name nil nil)))
- (concat gnus-article-save-directory
- (if (string= result "")
- (car (car split-name))
- result)))))))
- ;; If we have read a directory, we append the default file name.
- (when (file-directory-p file)
- (setq file (concat (file-name-as-directory file)
- (file-name-nondirectory default-name))))
- ;; Possibly translate some charaters.
- (nnheader-translate-file-chars file)))
-
-(defun gnus-article-archive-name (group)
- "Return the first instance of an \"Archive-name\" in the current buffer."
- (let ((case-fold-search t))
- (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
- (match-string 1))))
-
-(defun gnus-summary-save-in-rmail (&optional filename)
- "Append this article to Rmail file.
-Optional argument FILENAME specifies file name.
-Directory to save to is default to `gnus-article-save-directory' which
-is initialized from the SAVEDIR environment variable."
- (interactive)
- (gnus-set-global-variables)
- (let ((default-name
- (funcall gnus-rmail-save-name gnus-newsgroup-name
- gnus-current-headers gnus-newsgroup-last-rmail)))
- (setq filename
- (cond ((eq filename 'default)
- default-name)
- (filename filename)
- (t (gnus-read-save-file-name
- "Save in rmail file:" default-name))))
- (gnus-make-directory (file-name-directory filename))
- (gnus-eval-in-buffer-window
- gnus-original-article-buffer
- (save-excursion
- (save-restriction
- (widen)
- (gnus-output-to-rmail filename))))
- ;; Remember the directory name to save articles
- (setq gnus-newsgroup-last-rmail filename)))
-
-(defun gnus-summary-save-in-mail (&optional filename)
- "Append this article to Unix mail file.
-Optional argument FILENAME specifies file name.
-Directory to save to is default to `gnus-article-save-directory' which
-is initialized from the SAVEDIR environment variable."
- (interactive)
- (gnus-set-global-variables)
- (let ((default-name
- (funcall gnus-mail-save-name gnus-newsgroup-name
- gnus-current-headers gnus-newsgroup-last-mail)))
- (setq filename
- (cond ((eq filename 'default)
- default-name)
- (filename filename)
- (t (gnus-read-save-file-name
- "Save in Unix mail file:" default-name))))
- (setq filename
- (expand-file-name filename
- (and default-name
- (file-name-directory default-name))))
- (gnus-make-directory (file-name-directory filename))
- (gnus-eval-in-buffer-window
- gnus-original-article-buffer
- (save-excursion
- (save-restriction
- (widen)
- (if (and (file-readable-p filename) (mail-file-babyl-p filename))
- (gnus-output-to-rmail filename)
- (let ((mail-use-rfc822 t))
- (rmail-output filename 1 t t))))))
- ;; Remember the directory name to save articles.
- (setq gnus-newsgroup-last-mail filename)))
-
-(defun gnus-summary-save-in-file (&optional filename)
- "Append this article to file.
-Optional argument FILENAME specifies file name.
-Directory to save to is default to `gnus-article-save-directory' which
-is initialized from the SAVEDIR environment variable."
- (interactive)
- (gnus-set-global-variables)
- (let ((default-name
- (funcall gnus-file-save-name gnus-newsgroup-name
- gnus-current-headers gnus-newsgroup-last-file)))
- (setq filename
- (cond ((eq filename 'default)
- default-name)
- (filename filename)
- (t (gnus-read-save-file-name
- "Save in file:" default-name))))
- (gnus-make-directory (file-name-directory filename))
- (gnus-eval-in-buffer-window
- gnus-original-article-buffer
- (save-excursion
- (save-restriction
- (widen)
- (gnus-output-to-file filename))))
- ;; Remember the directory name to save articles.
- (setq gnus-newsgroup-last-file filename)))
-
-(defun gnus-summary-save-body-in-file (&optional filename)
- "Append this article body to a file.
-Optional argument FILENAME specifies file name.
-The directory to save in defaults to `gnus-article-save-directory' which
-is initialized from the SAVEDIR environment variable."
- (interactive)
- (gnus-set-global-variables)
- (let ((default-name
- (funcall gnus-file-save-name gnus-newsgroup-name
- gnus-current-headers gnus-newsgroup-last-file)))
- (setq filename
- (cond ((eq filename 'default)
- default-name)
- (filename filename)
- (t (gnus-read-save-file-name
- "Save body in file:" default-name))))
- (gnus-make-directory (file-name-directory filename))
- (gnus-eval-in-buffer-window
- gnus-article-buffer
- (save-excursion
- (save-restriction
- (widen)
- (goto-char (point-min))
- (and (search-forward "\n\n" nil t)
- (narrow-to-region (point) (point-max)))
- (gnus-output-to-file filename))))
- ;; Remember the directory name to save articles.
- (setq gnus-newsgroup-last-file filename)))
-
-(defun gnus-summary-save-in-pipe (&optional command)
- "Pipe this article to subprocess."
- (interactive)
- (gnus-set-global-variables)
- (setq command
- (cond ((eq command 'default)
- gnus-last-shell-command)
- (command command)
- (t (read-string "Shell command on article: "
- gnus-last-shell-command))))
- (if (string-equal command "")
- (setq command gnus-last-shell-command))
- (gnus-eval-in-buffer-window
- gnus-article-buffer
- (save-restriction
- (widen)
- (shell-command-on-region (point-min) (point-max) command nil)))
- (setq gnus-last-shell-command command))
-
-;; Summary extract commands
-
-(defun gnus-summary-insert-pseudos (pslist &optional not-view)
- (let ((buffer-read-only nil)
- (article (gnus-summary-article-number))
- after-article b e)
- (or (gnus-summary-goto-subject article)
- (error (format "No such article: %d" article)))
- (gnus-summary-position-point)
- ;; If all commands are to be bunched up on one line, we collect
- ;; them here.
- (if gnus-view-pseudos-separately
- ()
- (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
- files action)
- (while ps
- (setq action (cdr (assq 'action (car ps))))
- (setq files (list (cdr (assq 'name (car ps)))))
- (while (and ps (cdr ps)
- (string= (or action "1")
- (or (cdr (assq 'action (car (cdr ps)))) "2")))
- (setq files (cons (cdr (assq 'name (car (cdr ps)))) files))
- (setcdr ps (cdr (cdr ps))))
- (if (not files)
- ()
- (if (not (string-match "%s" action))
- (setq files (cons " " files)))
- (setq files (cons " " files))
- (and (assq 'execute (car ps))
- (setcdr (assq 'execute (car ps))
- (funcall (if (string-match "%s" action)
- 'format 'concat)
- action
- (mapconcat (lambda (f) f) files " ")))))
- (setq ps (cdr ps)))))
- (if (and gnus-view-pseudos (not not-view))
- (while pslist
- (and (assq 'execute (car pslist))
- (gnus-execute-command (cdr (assq 'execute (car pslist)))
- (eq gnus-view-pseudos 'not-confirm)))
- (setq pslist (cdr pslist)))
- (save-excursion
- (while pslist
- (setq after-article (or (cdr (assq 'article (car pslist)))
- (gnus-summary-article-number)))
- (gnus-summary-goto-subject after-article)
- (forward-line 1)
- (setq b (point))
- (insert " " (file-name-nondirectory
- (cdr (assq 'name (car pslist))))
- ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
- (setq e (point))
- (forward-line -1) ; back to `b'
- (add-text-properties
- b e (list 'gnus-number gnus-reffed-article-number
- gnus-mouse-face-prop gnus-mouse-face))
- (gnus-data-enter
- after-article gnus-reffed-article-number
- gnus-unread-mark b (car pslist) 0 (- e b))
- (push gnus-reffed-article-number gnus-newsgroup-unreads)
- (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
- (setq pslist (cdr pslist)))))))
-
-(defun gnus-pseudos< (p1 p2)
- (let ((c1 (cdr (assq 'action p1)))
- (c2 (cdr (assq 'action p2))))
- (and c1 c2 (string< c1 c2))))
-
-(defun gnus-request-pseudo-article (props)
- (cond ((assq 'execute props)
- (gnus-execute-command (cdr (assq 'execute props)))))
- (let ((gnus-current-article (gnus-summary-article-number)))
- (run-hooks 'gnus-mark-article-hook)))
-
-(defun gnus-execute-command (command &optional automatic)
- (save-excursion
- (gnus-article-setup-buffer)
- (set-buffer gnus-article-buffer)
- (let ((command (if automatic command (read-string "Command: " command)))
- (buffer-read-only nil))
- (erase-buffer)
- (insert "$ " command "\n\n")
- (if gnus-view-pseudo-asynchronously
- (start-process "gnus-execute" nil "sh" "-c" command)
- (call-process "sh" nil t nil "-c" command)))))
-
-(defun gnus-copy-file (file &optional to)
- "Copy FILE to TO."
- (interactive
- (list (read-file-name "Copy file: " default-directory)
- (read-file-name "Copy file to: " default-directory)))
- (gnus-set-global-variables)
- (or to (setq to (read-file-name "Copy file to: " default-directory)))
- (and (file-directory-p to)
- (setq to (concat (file-name-as-directory to)
- (file-name-nondirectory file))))
- (copy-file file to))
-
-;; Summary kill commands.
-
-(defun gnus-summary-edit-global-kill (article)
- "Edit the \"global\" kill file."
- (interactive (list (gnus-summary-article-number)))
- (gnus-set-global-variables)
- (gnus-group-edit-global-kill article))
-
-(defun gnus-summary-edit-local-kill ()
- "Edit a local kill file applied to the current newsgroup."
- (interactive)
- (gnus-set-global-variables)
- (setq gnus-current-headers (gnus-summary-article-header))
- (gnus-set-global-variables)
- (gnus-group-edit-local-kill
- (gnus-summary-article-number) gnus-newsgroup-name))
-
-\f
-;;;
-;;; Gnus article mode
-;;;
-
-(put 'gnus-article-mode 'mode-class 'special)
-
-(if gnus-article-mode-map
- nil
- (setq gnus-article-mode-map (make-keymap))
- (suppress-keymap gnus-article-mode-map)
-
- (gnus-define-keys
- gnus-article-mode-map
- " " gnus-article-goto-next-page
- "\177" gnus-article-goto-prev-page
- [delete] gnus-article-goto-prev-page
- "\C-c^" gnus-article-refer-article
- "h" gnus-article-show-summary
- "s" gnus-article-show-summary
- "\C-c\C-m" gnus-article-mail
- "?" gnus-article-describe-briefly
- gnus-mouse-2 gnus-article-push-button
- "\r" gnus-article-press-button
- "\t" gnus-article-next-button
- "\M-\t" gnus-article-prev-button
- "\C-c\C-b" gnus-bug)
-
- (substitute-key-definition
- 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map))
-
-(defun gnus-article-mode ()
- "Major mode for displaying an article.
-
-All normal editing commands are switched off.
-
-The following commands are available:
-
-\\<gnus-article-mode-map>
-\\[gnus-article-next-page]\t Scroll the article one page forwards
-\\[gnus-article-prev-page]\t Scroll the article one page backwards
-\\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
-\\[gnus-article-show-summary]\t Display the summary buffer
-\\[gnus-article-mail]\t Send a reply to the address near point
-\\[gnus-article-describe-briefly]\t Describe the current mode briefly
-\\[gnus-info-find-node]\t Go to the Gnus info node"
- (interactive)
- (when (and menu-bar-mode
- (gnus-visual-p 'article-menu 'menu))
- (gnus-article-make-menu-bar))
- (kill-all-local-variables)
- (gnus-simplify-mode-line)
- (setq mode-name "Article")
- (setq major-mode 'gnus-article-mode)
- (make-local-variable 'minor-mode-alist)
- (or (assq 'gnus-show-mime minor-mode-alist)
- (setq minor-mode-alist
- (cons (list 'gnus-show-mime " MIME") minor-mode-alist)))
- (use-local-map gnus-article-mode-map)
- (make-local-variable 'page-delimiter)
- (setq page-delimiter gnus-page-delimiter)
- (buffer-disable-undo (current-buffer))
- (setq buffer-read-only t) ;Disable modification
- (run-hooks 'gnus-article-mode-hook))
-
-(defun gnus-article-setup-buffer ()
- "Initialize the article buffer."
- (let* ((name (if gnus-single-article-buffer "*Article*"
- (concat "*Article " gnus-newsgroup-name "*")))
- (original
- (progn (string-match "\\*Article" name)
- (concat " *Original Article"
- (substring name (match-end 0))))))
- (setq gnus-article-buffer name)
- (setq gnus-original-article-buffer original)
- ;; This might be a variable local to the summary buffer.
- (unless gnus-single-article-buffer
- (save-excursion
- (set-buffer gnus-summary-buffer)
- (setq gnus-article-buffer name)
- (setq gnus-original-article-buffer original)
- (gnus-set-global-variables))
- (make-local-variable 'gnus-summary-buffer))
- (if (get-buffer name)
- (save-excursion
- (set-buffer name)
- (buffer-disable-undo (current-buffer))
- (setq buffer-read-only t)
- (gnus-add-current-to-buffer-list)
- (or (eq major-mode 'gnus-article-mode)
- (gnus-article-mode))
- (current-buffer))
- (save-excursion
- (set-buffer (get-buffer-create name))
- (gnus-add-current-to-buffer-list)
- (gnus-article-mode)
- (current-buffer)))))
-
-;; Set article window start at LINE, where LINE is the number of lines
-;; from the head of the article.
-(defun gnus-article-set-window-start (&optional line)
- (set-window-start
- (get-buffer-window gnus-article-buffer)
- (save-excursion
- (set-buffer gnus-article-buffer)
- (goto-char (point-min))
- (if (not line)
- (point-min)
- (gnus-message 6 "Moved to bookmark")
- (search-forward "\n\n" nil t)
- (forward-line line)
- (point)))))
-
-(defun gnus-kill-all-overlays ()
- "Delete all overlays in the current buffer."
- (when (fboundp 'overlay-lists)
- (let* ((overlayss (overlay-lists))
- (buffer-read-only nil)
- (overlays (nconc (car overlayss) (cdr overlayss))))
- (while overlays
- (delete-overlay (pop overlays))))))
-
-(defun gnus-request-article-this-buffer (article group)
- "Get an article and insert it into this buffer."
- (prog1
- (save-excursion
- (erase-buffer)
- (gnus-kill-all-overlays)
- (setq group (or group gnus-newsgroup-name))
-
- ;; Open server if it has closed.
- (gnus-check-server (gnus-find-method-for-group group))
-
- ;; Using `gnus-request-article' directly will insert the article into
- ;; `nntp-server-buffer' - so we'll save some time by not having to
- ;; copy it from the server buffer into the article buffer.
-
- ;; We only request an article by message-id when we do not have the
- ;; headers for it, so we'll have to get those.
- (when (stringp article)
- (let ((gnus-override-method gnus-refer-article-method))
- (gnus-read-header article)))
-
- ;; If the article number is negative, that means that this article
- ;; doesn't belong in this newsgroup (possibly), so we find its
- ;; message-id and request it by id instead of number.
- (when (numberp article)
- (save-excursion
- (set-buffer gnus-summary-buffer)
- (let ((header (gnus-summary-article-header article)))
- (if (< article 0)
- (cond
- ((memq article gnus-newsgroup-sparse)
- ;; This is a sparse gap article.
- (setq article (mail-header-id header)))
- ((vectorp header)
- ;; It's a real article.
- (setq article (mail-header-id header)))
- (t
- ;; It is an extracted pseudo-article.
- (setq article 'pseudo)
- (gnus-request-pseudo-article header))))
-
- (let ((method (gnus-find-method-for-group
- gnus-newsgroup-name)))
- (if (not (eq (car method) 'nneething))
- ()
- (let ((dir (concat (file-name-as-directory (nth 1 method))
- (mail-header-subject header))))
- (if (file-directory-p dir)
- (progn
- (setq article 'nneething)
- (gnus-group-enter-directory dir)))))))))
-
- (cond
- ;; We first check `gnus-original-article-buffer'.
- ((and (equal (car gnus-original-article) group)
- (eq (cdr gnus-original-article) article)
- (get-buffer gnus-original-article-buffer))
- (insert-buffer-substring gnus-original-article-buffer)
- 'article)
- ;; Check the backlog.
- ((and gnus-keep-backlog
- (gnus-backlog-request-article group article (current-buffer)))
- 'article)
- ;; Check the cache.
- ((and gnus-use-cache
- (numberp article)
- (gnus-cache-request-article article group))
- 'article)
- ;; Get the article and put into the article buffer.
- ((or (stringp article) (numberp article))
- (let ((gnus-override-method
- (and (stringp article) gnus-refer-article-method))
- (buffer-read-only nil))
- (erase-buffer)
- (gnus-kill-all-overlays)
- (if (gnus-request-article article group (current-buffer))
- (progn
- (and gnus-keep-backlog
- (gnus-backlog-enter-article
- group article (current-buffer)))
- 'article))))
- ;; It was a pseudo.
- (t article)))
-
- ;; Take the article from the original article buffer
- ;; and place it in the buffer it's supposed to be in.
- (setq gnus-original-article (cons group article))
- (when (and (get-buffer gnus-article-buffer)
- (equal (buffer-name (current-buffer))
- (buffer-name (get-buffer gnus-article-buffer))))
- (save-excursion
- (if (get-buffer gnus-original-article-buffer)
- (set-buffer (get-buffer gnus-original-article-buffer))
- (set-buffer (get-buffer-create gnus-original-article-buffer))
- (buffer-disable-undo (current-buffer))
- (setq major-mode 'gnus-original-article-mode)
- (setq buffer-read-only t)
- (gnus-add-current-to-buffer-list))
- (let (buffer-read-only)
- (erase-buffer)
- (insert-buffer-substring gnus-article-buffer))))
-
- ;; Update sparse articles.
- (when (memq article gnus-newsgroup-sparse)
- (gnus-summary-update-article article))))
-
-(defun gnus-read-header (id)
- "Read the headers of article ID and enter them into the Gnus system."
- (let ((group gnus-newsgroup-name)
- (headers gnus-newsgroup-headers)
- header where)
- ;; First we check to see whether the header in question is already
- ;; fetched.
- (if (stringp id)
- ;; This is a Message-ID.
- (setq header (gnus-id-to-header id))
- ;; This is an article number.
- (setq header (gnus-summary-article-header id)))
- (if header
- ;; We have found the header.
- header
- ;; We have to really fetch the header to this article.
- (when (setq where
- (if (gnus-check-backend-function 'request-head group)
- (gnus-request-head id group)
- (gnus-request-article id group)))
- (save-excursion
- (set-buffer nntp-server-buffer)
- (and (search-forward "\n\n" nil t)
- (delete-region (1- (point)) (point-max)))
- (goto-char (point-max))
- (insert ".\n")
- (goto-char (point-min))
- (insert "211 "
- (int-to-string
- (cond
- ((numberp id)
- id)
- ((cdr where)
- (cdr where))
- (t
- gnus-reffed-article-number)))
- " Article retrieved.\n"))
- (if (not (setq header (car (gnus-get-newsgroup-headers))))
- () ; Malformed head.
- (if (and (stringp id)
- (not (string= (gnus-group-real-name group)
- (car where))))
- ;; If we fetched by Message-ID and the article came
- ;; from a different group, we fudge some bogus article
- ;; numbers for this article.
- (mail-header-set-number header gnus-reffed-article-number))
- (decf gnus-reffed-article-number)
- (push header gnus-newsgroup-headers)
- (setq gnus-current-headers header)
- (push (mail-header-number header) gnus-newsgroup-limit)
- header)))))
+(defun gnus-server-to-method (server)
+ "Map virtual server names to select methods."
+ (or
+ ;; Is this a method, perhaps?
+ (and server (listp server) server)
+ ;; Perhaps this is the native server?
+ (and (equal server "native") gnus-select-method)
+ ;; It should be in the server alist.
+ (cdr (assoc server gnus-server-alist))
+ ;; If not, we look through all the opened server
+ ;; to see whether we can find it there.
+ (let ((opened gnus-opened-servers))
+ (while (and opened
+ (not (equal server (format "%s:%s" (caaar opened)
+ (cadaar opened)))))
+ (pop opened))
+ (caar opened))))
-(defun gnus-article-prepare (article &optional all-headers header)
- "Prepare ARTICLE in article mode buffer.
-ARTICLE should either be an article number or a Message-ID.
-If ARTICLE is an id, HEADER should be the article headers.
-If ALL-HEADERS is non-nil, no headers are hidden."
- (save-excursion
- ;; Make sure we start in a summary buffer.
- (unless (eq major-mode 'gnus-summary-mode)
- (set-buffer gnus-summary-buffer))
- (setq gnus-summary-buffer (current-buffer))
- ;; Make sure the connection to the server is alive.
- (unless (gnus-server-opened
- (gnus-find-method-for-group gnus-newsgroup-name))
- (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
- (gnus-request-group gnus-newsgroup-name t))
- (let* ((article (if header (mail-header-number header) article))
- (summary-buffer (current-buffer))
- (internal-hook gnus-article-internal-prepare-hook)
- (group gnus-newsgroup-name)
- result)
- (save-excursion
- (gnus-article-setup-buffer)
- (set-buffer gnus-article-buffer)
- ;; Deactivate active regions.
- (when (and (boundp 'transient-mark-mode)
- transient-mark-mode)
- (setq mark-active nil))
- (if (not (setq result (let ((buffer-read-only nil))
- (gnus-request-article-this-buffer
- article group))))
- ;; There is no such article.
- (save-excursion
- (when (and (numberp article)
- (not (memq article gnus-newsgroup-sparse)))
- (setq gnus-article-current
- (cons gnus-newsgroup-name article))
- (set-buffer gnus-summary-buffer)
- (setq gnus-current-article article)
- (gnus-summary-mark-article article gnus-canceled-mark))
- (unless (memq article gnus-newsgroup-sparse)
- (gnus-message
- 1 "No such article (may have expired or been canceled)")
- (ding)
- nil))
- (if (or (eq result 'pseudo) (eq result 'nneething))
+(defmacro gnus-method-equal (ss1 ss2)
+ "Say whether two servers are equal."
+ `(let ((s1 ,ss1)
+ (s2 ,ss2))
+ (or (equal s1 s2)
+ (and (= (length s1) (length s2))
(progn
- (save-excursion
- (set-buffer summary-buffer)
- (setq gnus-last-article gnus-current-article
- gnus-newsgroup-history (cons gnus-current-article
- gnus-newsgroup-history)
- gnus-current-article 0
- gnus-current-headers nil
- gnus-article-current nil)
- (if (eq result 'nneething)
- (gnus-configure-windows 'summary)
- (gnus-configure-windows 'article))
- (gnus-set-global-variables))
- (gnus-set-mode-line 'article))
- ;; The result from the `request' was an actual article -
- ;; or at least some text that is now displayed in the
- ;; article buffer.
- (if (and (numberp article)
- (not (eq article gnus-current-article)))
- ;; Seems like a new article has been selected.
- ;; `gnus-current-article' must be an article number.
- (save-excursion
- (set-buffer summary-buffer)
- (setq gnus-last-article gnus-current-article
- gnus-newsgroup-history (cons gnus-current-article
- gnus-newsgroup-history)
- gnus-current-article article
- gnus-current-headers
- (gnus-summary-article-header gnus-current-article)
- gnus-article-current
- (cons gnus-newsgroup-name gnus-current-article))
- (unless (vectorp gnus-current-headers)
- (setq gnus-current-headers nil))
- (gnus-summary-show-thread)
- (run-hooks 'gnus-mark-article-hook)
- (gnus-set-mode-line 'summary)
- (and (gnus-visual-p 'article-highlight 'highlight)
- (run-hooks 'gnus-visual-mark-article-hook))
- ;; Set the global newsgroup variables here.
- ;; Suggested by Jim Sisolak
- ;; <sisolak@trans4.neep.wisc.edu>.
- (gnus-set-global-variables)
- (setq gnus-have-all-headers
- (or all-headers gnus-show-all-headers))
- (and gnus-use-cache
- (vectorp (gnus-summary-article-header article))
- (gnus-cache-possibly-enter-article
- group article
- (gnus-summary-article-header article)
- (memq article gnus-newsgroup-marked)
- (memq article gnus-newsgroup-dormant)
- (memq article gnus-newsgroup-unreads)))))
- ;; Hooks for getting information from the article.
- ;; This hook must be called before being narrowed.
- (let (buffer-read-only)
- (run-hooks 'internal-hook)
- (run-hooks 'gnus-article-prepare-hook)
- ;; Decode MIME message.
- (if gnus-show-mime
- (if (or (not gnus-strict-mime)
- (gnus-fetch-field "Mime-Version"))
- (funcall gnus-show-mime-method)
- (funcall gnus-decode-encoded-word-method)))
- ;; Perform the article display hooks.
- (run-hooks 'gnus-article-display-hook))
- ;; Do page break.
- (goto-char (point-min))
- (and gnus-break-pages (gnus-narrow-to-page))
- (gnus-set-mode-line 'article)
- (gnus-configure-windows 'article)
- (goto-char (point-min))
- t))))))
-
-(defun gnus-article-show-all-headers ()
- "Show all article headers in article mode buffer."
- (save-excursion
- (gnus-article-setup-buffer)
- (set-buffer gnus-article-buffer)
- (let ((buffer-read-only nil))
- (remove-text-properties (point-min) (point-max)
- gnus-hidden-properties))))
-
-(defun gnus-article-hide-headers-if-wanted ()
- "Hide unwanted headers if `gnus-have-all-headers' is nil.
-Provided for backwards compatibility."
- (or (save-excursion (set-buffer gnus-summary-buffer) gnus-have-all-headers)
- gnus-inhibit-hiding
- (gnus-article-hide-headers)))
-
-(defun gnus-article-hide-headers (&optional arg delete)
- "Toggle whether to hide unwanted headers and possibly sort them as well.
-If given a negative prefix, always show; if given a positive prefix,
-always hide."
- (interactive "P")
- (unless (gnus-article-check-hidden-text 'headers arg)
- ;; This function might be inhibited.
- (unless gnus-inhibit-hiding
- (save-excursion
- (set-buffer gnus-article-buffer)
- (save-restriction
- (let ((buffer-read-only nil)
- (ignored (when (not (stringp gnus-visible-headers))
- (cond ((stringp gnus-ignored-headers)
- gnus-ignored-headers)
- ((listp gnus-ignored-headers)
- (mapconcat 'identity gnus-ignored-headers
- "\\|")))))
- (visible
- (cond ((stringp gnus-visible-headers)
- gnus-visible-headers)
- ((and gnus-visible-headers
- (listp gnus-visible-headers))
- (mapconcat 'identity gnus-visible-headers "\\|"))))
- want-list beg want-l)
- ;; First we narrow to just the headers.
- (widen)
- (goto-char (point-min))
- ;; Hide any "From " lines at the beginning of (mail) articles.
- (while (looking-at "From ")
- (forward-line 1))
- (unless (bobp)
- (add-text-properties
- (point-min) (point)
- (nconc (list 'gnus-type 'headers) gnus-hidden-properties)))
- ;; Then treat the rest of the header lines.
- (narrow-to-region
- (point)
- (progn (search-forward "\n\n" nil t) (forward-line -1) (point)))
- ;; Then we use the two regular expressions
- ;; `gnus-ignored-headers' and `gnus-visible-headers' to
- ;; select which header lines is to remain visible in the
- ;; article buffer.
- (goto-char (point-min))
- (while (re-search-forward "^[^ \t]*:" nil t)
- (beginning-of-line)
- ;; We add the headers we want to keep to a list and delete
- ;; them from the buffer.
- (if (or (and visible (looking-at visible))
- (and ignored (not (looking-at ignored))))
- (progn
- (push (buffer-substring
- (setq beg (point))
- (progn
- (forward-line 1)
- ;; Be sure to get multi-line headers...
- (re-search-forward "^[^ \t]*:" nil t)
- (beginning-of-line)
- (point)))
- want-list)
- (delete-region beg (point)))
- (forward-line 1)))
- ;; Sort the headers that we want to display.
- (setq want-list (sort want-list 'gnus-article-header-less))
- (goto-char (point-min))
- (while want-list
- (insert (pop want-list)))
- ;; We make the unwanted headers invisible.
- (if delete
- (delete-region (point-min) (point-max))
- ;; Suggested by Sudish Joseph <joseph@cis.ohio-state.edu>.
- (add-text-properties
- (point) (point-max)
- (nconc (list 'gnus-type 'headers)
- gnus-hidden-properties)))))))))
-
-(defsubst gnus-article-header-rank (header)
- "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
- (let ((list gnus-sorted-header-list)
- (i 0))
- (while list
- (when (string-match (car list) header)
- (setq list nil))
- (setq list (cdr list))
- (incf i))
- i))
-
-(defun gnus-article-header-less (h1 h2)
- "Say whether string H1 is \"less\" than string H2."
- (< (gnus-article-header-rank h1)
- (gnus-article-header-rank h2)))
-
-(defun gnus-article-hide-boring-headers (&optional arg)
- "Toggle hiding of headers that aren't very interesting.
-If given a negative prefix, always show; if given a positive prefix,
-always hide."
- (interactive "P")
- (unless (gnus-article-check-hidden-text 'boring-headers arg)
- (save-excursion
- (set-buffer gnus-article-buffer)
- (save-restriction
- (let ((buffer-read-only nil)
- (list gnus-boring-article-headers)
- (inhibit-point-motion-hooks t)
- elem)
- (nnheader-narrow-to-headers)
- (while list
- (setq elem (pop list))
- (goto-char (point-min))
- (cond
- ;; Hide empty headers.
- ((eq elem 'empty)
- (while (re-search-forward "^[^:]+:[ \t]\n[^ \t]" nil t)
- (forward-line -1)
- (add-text-properties
- (progn (beginning-of-line) (point))
- (progn
- (end-of-line)
- (if (re-search-forward "^[^ \t]" nil t)
- (match-beginning 0)
- (point-max)))
- (nconc (list 'gnus-type 'boring-headers)
- gnus-hidden-properties))))
- ;; Hide boring Newsgroups header.
- ((eq elem 'newsgroups)
- (when (equal (mail-fetch-field "newsgroups")
- (gnus-group-real-name gnus-newsgroup-name))
- (gnus-article-hide-header "newsgroups")))
- ((eq elem 'followup-to)
- (when (equal (mail-fetch-field "followup-to")
- (mail-fetch-field "newsgroups"))
- (gnus-article-hide-header "followup-to")))
- ((eq elem 'reply-to)
- (let ((from (mail-fetch-field "from"))
- (reply-to (mail-fetch-field "reply-to")))
- (when (and
- from reply-to
- (equal
- (nth 1 (mail-extract-address-components from))
- (nth 1 (mail-extract-address-components reply-to))))
- (gnus-article-hide-header "reply-to"))))
- ((eq elem 'date)
- (let ((date (mail-fetch-field "date")))
- (when (and date
- (< (gnus-days-between date (current-time-string))
- 4))
- (gnus-article-hide-header "date")))))))))))
-
-(defun gnus-article-hide-header (header)
- (save-excursion
- (goto-char (point-min))
- (when (re-search-forward (concat "^" header ":") nil t)
- (add-text-properties
- (progn (beginning-of-line) (point))
- (progn
- (end-of-line)
- (if (re-search-forward "^[^ \t]" nil t)
- (match-beginning 0)
- (point-max)))
- (nconc (list 'gnus-type 'boring-headers)
- gnus-hidden-properties)))))
-
-;; Written by Per Abrahamsen <amanda@iesd.auc.dk>.
-(defun gnus-article-treat-overstrike ()
- "Translate overstrikes into bold text."
- (interactive)
- (save-excursion
- (set-buffer gnus-article-buffer)
- (let ((buffer-read-only nil))
- (while (search-forward "\b" nil t)
- (let ((next (following-char))
- (previous (char-after (- (point) 2))))
- (cond ((eq next previous)
- (put-text-property (- (point) 2) (point) 'invisible t)
- (put-text-property (point) (1+ (point)) 'face 'bold))
- ((eq next ?_)
- (put-text-property (1- (point)) (1+ (point)) 'invisible t)
- (put-text-property
- (- (point) 2) (1- (point)) 'face 'underline))
- ((eq previous ?_)
- (put-text-property (- (point) 2) (point) 'invisible t)
- (put-text-property
- (point) (1+ (point)) 'face 'underline))))))))
-
-(defun gnus-article-word-wrap ()
- "Format too long lines."
- (interactive)
- (save-excursion
- (set-buffer gnus-article-buffer)
- (let ((buffer-read-only nil)
- p)
- (widen)
- (goto-char (point-min))
- (search-forward "\n\n" nil t)
- (end-of-line 1)
- (let ((paragraph-start "^[>|#:<;* ]*[ \t]*$")
- (adaptive-fill-regexp "[ \t]*\\([|#:<;>*]+ *\\)?")
- (adaptive-fill-mode t))
- (while (not (eobp))
- (and (>= (current-column) (min fill-column (window-width)))
- (/= (preceding-char) ?:)
- (fill-paragraph nil))
- (end-of-line 2))))))
-
-(defun gnus-article-remove-cr ()
- "Remove carriage returns from an article."
- (interactive)
- (save-excursion
- (set-buffer gnus-article-buffer)
- (let ((buffer-read-only nil))
- (goto-char (point-min))
- (while (search-forward "\r" nil t)
- (replace-match "" t t)))))
-
-(defun gnus-article-remove-trailing-blank-lines ()
- "Remove all trailing blank lines from the article."
- (interactive)
- (save-excursion
- (set-buffer gnus-article-buffer)
- (let ((buffer-read-only nil))
- (goto-char (point-max))
- (delete-region
- (point)
- (progn
- (while (looking-at "^[ \t]*$")
- (forward-line -1))
- (forward-line 1)
- (point))))))
-
-(defun gnus-article-display-x-face (&optional force)
- "Look for an X-Face header and display it if present."
- (interactive (list 'force))
- (save-excursion
- (set-buffer gnus-article-buffer)
- ;; Delete the old process, if any.
- (when (process-status "gnus-x-face")
- (delete-process "gnus-x-face"))
- (let ((inhibit-point-motion-hooks t)
- (case-fold-search nil)
- from)
- (save-restriction
- (nnheader-narrow-to-headers)
- (setq from (mail-fetch-field "from"))
- (goto-char (point-min))
- (when (and gnus-article-x-face-command
- (or force
- ;; Check whether this face is censored.
- (not gnus-article-x-face-too-ugly)
- (and gnus-article-x-face-too-ugly from
- (not (string-match gnus-article-x-face-too-ugly
- from))))
- ;; Has to be present.
- (re-search-forward "^X-Face: " nil t))
- ;; We now have the area of the buffer where the X-Face is stored.
- (let ((beg (point))
- (end (1- (re-search-forward "^\\($\\|[^ \t]\\)" nil t))))
- ;; We display the face.
- (if (symbolp gnus-article-x-face-command)
- ;; The command is a lisp function, so we call it.
- (if (gnus-functionp gnus-article-x-face-command)
- (funcall gnus-article-x-face-command beg end)
- (error "%s is not a function" gnus-article-x-face-command))
- ;; The command is a string, so we interpret the command
- ;; as a, well, command, and fork it off.
- (let ((process-connection-type nil))
- (process-kill-without-query
- (start-process
- "gnus-x-face" nil "sh" "-c" gnus-article-x-face-command))
- (process-send-region "gnus-x-face" beg end)
- (process-send-eof "gnus-x-face")))))))))
-
-(defun gnus-headers-decode-quoted-printable ()
- "Hack to remove QP encoding from headers."
- (let ((case-fold-search t)
- (inhibit-point-motion-hooks t)
- string)
- (goto-char (point-min))
- (while (re-search-forward "=\\?iso-8859-1\\?q\\?\\([^?\t\n]*\\)\\?=" nil t)
- (setq string (match-string 1))
- (narrow-to-region (match-beginning 0) (match-end 0))
- (delete-region (point-min) (point-max))
- (insert string)
- (gnus-mime-decode-quoted-printable (goto-char (point-min)) (point-max))
- (subst-char-in-region (point-min) (point-max) ?_ ? )
- (widen)
- (goto-char (point-min)))))
-
-(defun gnus-article-de-quoted-unreadable (&optional force)
- "Do a naive translation of a quoted-printable-encoded article.
-This is in no way, shape or form meant as a replacement for real MIME
-processing, but is simply a stop-gap measure until MIME support is
-written.
-If FORCE, decode the article whether it is marked as quoted-printable
-or not."
- (interactive (list 'force))
- (save-excursion
- (set-buffer gnus-article-buffer)
- (let ((case-fold-search t)
- (buffer-read-only nil)
- (type (gnus-fetch-field "content-transfer-encoding")))
- (when (or force
- (and type (string-match "quoted-printable" type)))
- (gnus-headers-decode-quoted-printable)
- (goto-char (point-min))
- (search-forward "\n\n" nil 'move)
- (gnus-mime-decode-quoted-printable (point) (point-max))))))
-
-(defun gnus-mime-decode-quoted-printable (from to)
- "Decode Quoted-Printable in the region between FROM and TO."
- (goto-char from)
- (while (search-forward "=" to t)
- (cond ((eq (following-char) ?\n)
- (delete-char -1)
- (delete-char 1))
- ((looking-at "[0-9A-F][0-9A-F]")
- (delete-char -1)
- (insert (hexl-hex-string-to-integer
- (buffer-substring (point) (+ 2 (point)))))
- (delete-char 2))
- ((looking-at "=")
- (delete-char 1))
- ((gnus-message 3 "Malformed MIME quoted-printable message")))))
-
-(defun gnus-article-hide-pgp (&optional arg)
- "Toggle hiding of any PGP headers and signatures in the current article.
-If given a negative prefix, always show; if given a positive prefix,
-always hide."
- (interactive "P")
- (unless (gnus-article-check-hidden-text 'pgp arg)
- (save-excursion
- (set-buffer gnus-article-buffer)
- (let ((props (nconc (list 'gnus-type 'pgp) gnus-hidden-properties))
- buffer-read-only beg end)
- (widen)
- (goto-char (point-min))
- ;; Hide the "header".
- (and (search-forward "\n-----BEGIN PGP SIGNED MESSAGE-----\n" nil t)
- (add-text-properties (match-beginning 0) (match-end 0) props))
- (setq beg (point))
- ;; Hide the actual signature.
- (and (search-forward "\n-----BEGIN PGP SIGNATURE-----\n" nil t)
- (setq end (match-beginning 0))
- (add-text-properties
- (match-beginning 0)
- (if (search-forward "\n-----END PGP SIGNATURE-----\n" nil t)
- (match-end 0)
- ;; Perhaps we shouldn't hide to the end of the buffer
- ;; if there is no end to the signature?
- (point-max))
- props))
- ;; Hide "- " PGP quotation markers.
- (when (and beg end)
- (narrow-to-region beg end)
- (goto-char (point-min))
- (while (re-search-forward "^- " nil t)
- (add-text-properties (match-beginning 0) (match-end 0) props))
- (widen))))))
-
-(defun gnus-article-hide-signature (&optional arg)
- "Hide the signature in the current article.
-If given a negative prefix, always show; if given a positive prefix,
-always hide."
- (interactive "P")
- (unless (gnus-article-check-hidden-text 'signature arg)
- (save-excursion
- (set-buffer gnus-article-buffer)
- (save-restriction
- (let ((buffer-read-only nil))
- (when (gnus-narrow-to-signature)
- (add-text-properties
- (point-min) (point-max)
- (nconc (list 'gnus-type 'signature)
- gnus-hidden-properties))))))))
-
-(defvar gnus-signature-limit nil
- "Provide a limit to what is considered a signature.
-If it is a number, no signature may not be longer (in characters) than
-that number. If it is a function, the function will be called without
-any parameters, and if it returns nil, there is no signature in the
-buffer. If it is a string, it will be used as a regexp. If it
-matches, the text in question is not a signature.")
-
-(defun gnus-narrow-to-signature ()
- "Narrow to the signature."
- (widen)
- (goto-char (point-max))
- (when (re-search-backward gnus-signature-separator nil t)
- (forward-line 1)
- (when (or (null gnus-signature-limit)
- (and (numberp gnus-signature-limit)
- (< (- (point-max) (point)) gnus-signature-limit))
- (and (gnus-functionp gnus-signature-limit)
- (funcall gnus-signature-limit))
- (and (stringp gnus-signature-limit)
- (not (re-search-forward gnus-signature-limit nil t))))
- (narrow-to-region (point) (point-max))
- t)))
-
-(defun gnus-article-check-hidden-text (type arg)
- "Return nil if hiding is necessary."
- (save-excursion
- (set-buffer gnus-article-buffer)
- (let ((hide (gnus-article-hidden-text-p type)))
- (cond ((or (and (null arg) (eq hide 'hidden))
- (and arg (< 0 (prefix-numeric-value arg))))
- (gnus-article-show-hidden-text type))
- ((eq hide 'shown)
- (gnus-article-show-hidden-text type t))
- (t nil)))))
-
-(defun gnus-article-hidden-text-p (type)
- "Say whether the current buffer contains hidden text of type TYPE."
- (let ((pos (text-property-any (point-min) (point-max) 'gnus-type type))
- prop)
- (when pos
- (if (get-text-property pos 'invisible)
- 'hidden
- 'shown))))
-
-(defun gnus-article-hide (&optional arg force)
- "Hide all the gruft in the current article.
-This means that PGP stuff, signatures, cited text and (some)
-headers will be hidden.
-If given a prefix, show the hidden text instead."
- (interactive (list current-prefix-arg 'force))
- (gnus-article-hide-headers arg)
- (gnus-article-hide-pgp arg)
- (gnus-article-hide-citation-maybe arg force)
- (gnus-article-hide-signature arg))
-
-(defun gnus-article-show-hidden-text (type &optional hide)
- "Show all hidden text of type TYPE.
-If HIDE, hide the text instead."
- (save-excursion
- (set-buffer gnus-article-buffer)
- (let ((buffer-read-only nil)
- (inhibit-point-motion-hooks t)
- (beg (point-min)))
- (while (gnus-goto-char (text-property-any
- beg (point-max) 'gnus-type type))
- (setq beg (point))
- (forward-char)
- (if hide
- (add-text-properties beg (point) gnus-hidden-properties)
- (remove-text-properties beg (point) gnus-hidden-properties))
- (setq beg (point)))
- t)))
-
-(defvar gnus-article-time-units
- `((year . ,(* 365.25 24 60 60))
- (week . ,(* 7 24 60 60))
- (day . ,(* 24 60 60))
- (hour . ,(* 60 60))
- (minute . 60)
- (second . 1))
- "Mapping from time units to seconds.")
-
-(defun gnus-article-date-ut (&optional type highlight)
- "Convert DATE date to universal time in the current article.
-If TYPE is `local', convert to local time; if it is `lapsed', output
-how much time has lapsed since DATE."
- (interactive (list 'ut t))
- (let* ((header (or gnus-current-headers
- (gnus-summary-article-header) ""))
- (date (and (vectorp header) (mail-header-date header)))
- (date-regexp "^Date: \\|^X-Sent: ")
- (now (current-time))
- (inhibit-point-motion-hooks t))
- (when (and date (not (string= date "")))
- (save-excursion
- (set-buffer gnus-article-buffer)
- (save-restriction
- (nnheader-narrow-to-headers)
- (let ((buffer-read-only nil))
- ;; Delete any old Date headers.
- (if (zerop (nnheader-remove-header date-regexp t))
- (beginning-of-line)
- (goto-char (point-max)))
- (insert
- (cond
- ;; Convert to the local timezone. We have to slap a
- ;; `condition-case' round the calls to the timezone
- ;; functions since they aren't particularly resistant to
- ;; buggy dates.
- ((eq type 'local)
- (concat "Date: " (condition-case ()
- (timezone-make-date-arpa-standard date)
- (error date))
- "\n"))
- ;; Convert to Universal Time.
- ((eq type 'ut)
- (concat "Date: "
- (condition-case ()
- (timezone-make-date-arpa-standard date nil "UT")
- (error date))
- "\n"))
- ;; Get the original date from the article.
- ((eq type 'original)
- (concat "Date: " date "\n"))
- ;; Do an X-Sent lapsed format.
- ((eq type 'lapsed)
- ;; If the date is seriously mangled, the timezone
- ;; functions are liable to bug out, so we condition-case
- ;; the entire thing.
- (let* ((real-time
- (condition-case ()
- (gnus-time-minus
- (gnus-encode-date
- (timezone-make-date-arpa-standard
- (current-time-string now)
- (current-time-zone now) "UT"))
- (gnus-encode-date
- (timezone-make-date-arpa-standard
- date nil "UT")))
- (error '(0 0))))
- (real-sec (+ (* (float (car real-time)) 65536)
- (cadr real-time)))
- (sec (abs real-sec))
- num prev)
- (if (zerop sec)
- "X-Sent: Now\n"
- (concat
- "X-Sent: "
- ;; This is a bit convoluted, but basically we go
- ;; through the time units for years, weeks, etc,
- ;; and divide things to see whether that results
- ;; in positive answers.
- (mapconcat
- (lambda (unit)
- (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
- ;; The (remaining) seconds are too few to
- ;; be divided into this time unit.
- ""
- ;; It's big enough, so we output it.
- (setq sec (- sec (* num (cdr unit))))
- (prog1
- (concat (if prev ", " "") (int-to-string
- (floor num))
- " " (symbol-name (car unit))
- (if (> num 1) "s" ""))
- (setq prev t))))
- gnus-article-time-units "")
- ;; If dates are odd, then it might appear like the
- ;; article was sent in the future.
- (if (> real-sec 0)
- " ago\n"
- " in the future\n")))))
- (t
- (error "Unknown conversion type: %s" type)))))
- ;; Do highlighting.
- (when (and highlight (gnus-visual-p 'article-highlight 'highlight))
- (gnus-article-highlight-headers)))))))
-
-(defun gnus-article-date-local (&optional highlight)
- "Convert the current article date to the local timezone."
- (interactive (list t))
- (gnus-article-date-ut 'local highlight))
-
-(defun gnus-article-date-original (&optional highlight)
- "Convert the current article date to what it was originally.
-This is only useful if you have used some other date conversion
-function and want to see what the date was before converting."
- (interactive (list t))
- (gnus-article-date-ut 'original highlight))
-
-(defun gnus-article-date-lapsed (&optional highlight)
- "Convert the current article date to time lapsed since it was sent."
- (interactive (list t))
- (gnus-article-date-ut 'lapsed highlight))
-
-(defun gnus-article-maybe-highlight ()
- "Do some article highlighting if `gnus-visual' is non-nil."
- (if (gnus-visual-p 'article-highlight 'highlight)
- (gnus-article-highlight-some)))
-
-;; Article savers.
-
-(defun gnus-output-to-rmail (file-name)
- "Append the current article to an Rmail file named FILE-NAME."
- (require 'rmail)
- ;; Most of these codes are borrowed from rmailout.el.
- (setq file-name (expand-file-name file-name))
- (setq rmail-default-rmail-file file-name)
- (let ((artbuf (current-buffer))
- (tmpbuf (get-buffer-create " *Gnus-output*")))
- (save-excursion
- (or (get-file-buffer file-name)
- (file-exists-p file-name)
- (if (gnus-yes-or-no-p
- (concat "\"" file-name "\" does not exist, create it? "))
- (let ((file-buffer (create-file-buffer file-name)))
- (save-excursion
- (set-buffer file-buffer)
- (rmail-insert-rmail-file-header)
- (let ((require-final-newline nil))
- (write-region (point-min) (point-max) file-name t 1)))
- (kill-buffer file-buffer))
- (error "Output file does not exist")))
- (set-buffer tmpbuf)
- (buffer-disable-undo (current-buffer))
- (erase-buffer)
- (insert-buffer-substring artbuf)
- (gnus-convert-article-to-rmail)
- ;; Decide whether to append to a file or to an Emacs buffer.
- (let ((outbuf (get-file-buffer file-name)))
- (if (not outbuf)
- (append-to-file (point-min) (point-max) file-name)
- ;; File has been visited, in buffer OUTBUF.
- (set-buffer outbuf)
- (let ((buffer-read-only nil)
- (msg (and (boundp 'rmail-current-message)
- (symbol-value 'rmail-current-message))))
- ;; If MSG is non-nil, buffer is in RMAIL mode.
- (if msg
- (progn (widen)
- (narrow-to-region (point-max) (point-max))))
- (insert-buffer-substring tmpbuf)
- (if msg
- (progn
- (goto-char (point-min))
- (widen)
- (search-backward "\^_")
- (narrow-to-region (point) (point-max))
- (goto-char (1+ (point-min)))
- (rmail-count-new-messages t)
- (rmail-show-message msg)))))))
- (kill-buffer tmpbuf)))
+ (while (and s1 (member (car s1) s2))
+ (setq s1 (cdr s1)))
+ (null s1))))))
-(defun gnus-output-to-file (file-name)
- "Append the current article to a file named FILE-NAME."
- (setq file-name (expand-file-name file-name))
- (let ((artbuf (current-buffer))
- (tmpbuf (get-buffer-create " *Gnus-output*")))
- (save-excursion
- (set-buffer tmpbuf)
- (buffer-disable-undo (current-buffer))
- (erase-buffer)
- (insert-buffer-substring artbuf)
- ;; Append newline at end of the buffer as separator, and then
- ;; save it to file.
- (goto-char (point-max))
- (insert "\n")
- (append-to-file (point-min) (point-max) file-name))
- (kill-buffer tmpbuf)))
+(defun gnus-server-equal (m1 m2)
+ "Say whether two methods are equal."
+ (let ((m1 (cond ((null m1) gnus-select-method)
+ ((stringp m1) (gnus-server-to-method m1))
+ (t m1)))
+ (m2 (cond ((null m2) gnus-select-method)
+ ((stringp m2) (gnus-server-to-method m2))
+ (t m2))))
+ (gnus-method-equal m1 m2)))
+
+(defun gnus-servers-using-backend (backend)
+ "Return a list of known servers using BACKEND."
+ (let ((opened gnus-opened-servers)
+ out)
+ (while opened
+ (when (eq backend (caaar opened))
+ (push (caar opened) out))
+ (pop opened))
+ out))
-(defun gnus-convert-article-to-rmail ()
- "Convert article in current buffer to Rmail message format."
- (let ((buffer-read-only nil))
- ;; Convert article directly into Babyl format.
- ;; Suggested by Rob Austein <sra@lcs.mit.edu>
- (goto-char (point-min))
- (insert "\^L\n0, unseen,,\n*** EOOH ***\n")
- (while (search-forward "\n\^_" nil t) ;single char
- (replace-match "\n^_" t t)) ;2 chars: "^" and "_"
- (goto-char (point-max))
- (insert "\^_")))
+(defun gnus-archive-server-wanted-p ()
+ "Say whether the user wants to use the archive server."
+ (cond
+ ((or (not gnus-message-archive-method)
+ (not gnus-message-archive-group))
+ nil)
+ ((and gnus-message-archive-method gnus-message-archive-group)
+ t)
+ (t
+ (let ((active (cadr (assq 'nnfolder-active-file
+ gnus-message-archive-method))))
+ (and active
+ (file-exists-p active))))))
-(defun gnus-narrow-to-page (&optional arg)
- "Narrow the article buffer to a page.
-If given a numerical ARG, move forward ARG pages."
- (interactive "P")
- (setq arg (if arg (prefix-numeric-value arg) 0))
- (save-excursion
- (set-buffer gnus-article-buffer)
- (goto-char (point-min))
- (widen)
- (when (gnus-visual-p 'page-marker)
- (let ((buffer-read-only nil))
- (gnus-remove-text-with-property 'gnus-prev)
- (gnus-remove-text-with-property 'gnus-next)))
- (when
- (cond ((< arg 0)
- (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
- ((> arg 0)
- (re-search-forward page-delimiter nil 'move arg)))
- (goto-char (match-end 0)))
- (narrow-to-region
- (point)
- (if (re-search-forward page-delimiter nil 'move)
- (match-beginning 0)
- (point)))
- (when (and (gnus-visual-p 'page-marker)
- (not (= (point-min) 1)))
- (save-excursion
- (goto-char (point-min))
- (gnus-insert-prev-page-button)))
- (when (and (gnus-visual-p 'page-marker)
- (not (= (1- (point-max)) (buffer-size))))
- (save-excursion
- (goto-char (point-max))
- (gnus-insert-next-page-button)))))
+(defun gnus-group-prefixed-name (group method)
+ "Return the whole name from GROUP and METHOD."
+ (and (stringp method) (setq method (gnus-server-to-method method)))
+ (if (not method)
+ group
+ (concat (format "%s" (car method))
+ (if (and
+ (or (assoc (format "%s" (car method))
+ (gnus-methods-using 'address))
+ (gnus-server-equal method gnus-message-archive-method))
+ (nth 1 method)
+ (not (string= (nth 1 method) "")))
+ (concat "+" (nth 1 method)))
+ ":" group)))
-;; Article mode commands
+(defun gnus-group-real-prefix (group)
+ "Return the prefix of the current group name."
+ (if (string-match "^[^:]+:" group)
+ (substring group 0 (match-end 0))
+ ""))
-(defun gnus-article-goto-next-page ()
- "Show the next page of the article."
- (interactive)
- (when (gnus-article-next-page)
- (gnus-article-read-summary-keys nil ?n)))
+(defun gnus-group-method (group)
+ "Return the server or method used for selecting GROUP."
+ (let ((prefix (gnus-group-real-prefix group)))
+ (if (equal prefix "")
+ gnus-select-method
+ (let ((servers gnus-opened-servers)
+ (server "")
+ backend possible found)
+ (if (string-match "^[^\\+]+\\+" prefix)
+ (setq backend (intern (substring prefix 0 (1- (match-end 0))))
+ server (substring prefix (match-end 0) (1- (length prefix))))
+ (setq backend (intern (substring prefix 0 (1- (length prefix))))))
+ (while servers
+ (when (eq (caaar servers) backend)
+ (setq possible (caar servers))
+ (when (equal (cadaar servers) server)
+ (setq found (caar servers))))
+ (pop servers))
+ (or (car (rassoc found gnus-server-alist))
+ found
+ (car (rassoc possible gnus-server-alist))
+ possible
+ (list backend server))))))
-(defun gnus-article-goto-prev-page ()
- "Show the next page of the article."
- (interactive)
- (if (bobp) (gnus-article-read-summary-keys nil ?n)
- (gnus-article-prev-page nil)))
+(defsubst gnus-secondary-method-p (method)
+ "Return whether METHOD is a secondary select method."
+ (let ((methods gnus-secondary-select-methods)
+ (gmethod (gnus-server-get-method nil method)))
+ (while (and methods
+ (not (equal (gnus-server-get-method nil (car methods))
+ gmethod)))
+ (setq methods (cdr methods)))
+ methods))
-(defun gnus-article-next-page (&optional lines)
- "Show the next page of the current article.
-If end of article, return non-nil. Otherwise return nil.
-Argument LINES specifies lines to be scrolled up."
- (interactive "p")
- (move-to-window-line -1)
- ;; Fixed by enami@ptgd.sony.co.jp (enami tsugutomo)
- (if (save-excursion
- (end-of-line)
- (and (pos-visible-in-window-p) ;Not continuation line.
- (eobp)))
- ;; Nothing in this page.
- (if (or (not gnus-break-pages)
- (save-excursion
- (save-restriction
- (widen) (forward-line 1) (eobp)))) ;Real end-of-buffer?
- t ;Nothing more.
- (gnus-narrow-to-page 1) ;Go to next page.
- nil)
- ;; More in this page.
- (condition-case ()
- (scroll-up lines)
- (end-of-buffer
- ;; Long lines may cause an end-of-buffer error.
- (goto-char (point-max))))
- nil))
+(defun gnus-group-foreign-p (group)
+ "Say whether a group is foreign or not."
+ (and (not (gnus-group-native-p group))
+ (not (gnus-group-secondary-p group))))
-(defun gnus-article-prev-page (&optional lines)
- "Show previous page of current article.
-Argument LINES specifies lines to be scrolled down."
- (interactive "p")
- (move-to-window-line 0)
- (if (and gnus-break-pages
- (bobp)
- (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
- (progn
- (gnus-narrow-to-page -1) ;Go to previous page.
- (goto-char (point-max))
- (recenter -1))
- (condition-case ()
- (scroll-down lines)
- (error nil))))
+(defun gnus-group-native-p (group)
+ "Say whether the group is native or not."
+ (not (string-match ":" group)))
-(defun gnus-article-refer-article ()
- "Read article specified by message-id around point."
- (interactive)
- (let ((point (point)))
- (search-forward ">" nil t) ;Move point to end of "<....>".
- (if (re-search-backward "\\(<[^<> \t\n]+>\\)" nil t)
- (let ((message-id (match-string 1)))
- (goto-char point)
- (set-buffer gnus-summary-buffer)
- (gnus-summary-refer-article message-id))
- (goto-char (point))
- (error "No references around point"))))
+(defun gnus-group-secondary-p (group)
+ "Say whether the group is secondary or not."
+ (gnus-secondary-method-p (gnus-find-method-for-group group)))
-(defun gnus-article-show-summary ()
- "Reconfigure windows to show summary buffer."
- (interactive)
- (gnus-configure-windows 'article)
- (gnus-summary-goto-subject gnus-current-article))
+(defun gnus-group-get-parameter (group &optional symbol)
+ "Returns the group parameters for GROUP.
+If SYMBOL, return the value of that symbol in the group parameters."
+ (let ((params (gnus-info-params (gnus-get-info group))))
+ (if symbol
+ (gnus-group-parameter-value params symbol)
+ params)))
-(defun gnus-article-describe-briefly ()
- "Describe article mode commands briefly."
- (interactive)
- (gnus-message 6
- (substitute-command-keys "\\<gnus-article-mode-map>\\[gnus-article-next-page]:Next page \\[gnus-article-prev-page]:Prev page \\[gnus-article-show-summary]:Show summary \\[gnus-info-find-node]:Run Info \\[gnus-article-describe-briefly]:This help")))
+(defun gnus-group-parameter-value (params symbol)
+ "Return the value of SYMBOL in group PARAMS."
+ (or (car (memq symbol params)) ; It's either a simple symbol
+ (cdr (assq symbol params)))) ; or a cons.
-(defun gnus-article-summary-command ()
- "Execute the last keystroke in the summary buffer."
- (interactive)
- (let ((obuf (current-buffer))
- (owin (current-window-configuration))
- func)
- (switch-to-buffer gnus-summary-buffer 'norecord)
- (setq func (lookup-key (current-local-map) (this-command-keys)))
- (call-interactively func)
- (set-buffer obuf)
- (set-window-configuration owin)
- (set-window-point (get-buffer-window (current-buffer)) (point))))
+(defun gnus-group-add-parameter (group param)
+ "Add parameter PARAM to GROUP."
+ (let ((info (gnus-get-info group)))
+ (if (not info)
+ () ; This is a dead group. We just ignore it.
+ ;; Cons the new param to the old one and update.
+ (gnus-group-set-info (cons param (gnus-info-params info))
+ group 'params))))
-(defun gnus-article-summary-command-nosave ()
- "Execute the last keystroke in the summary buffer."
- (interactive)
- (let (func)
- (pop-to-buffer gnus-summary-buffer 'norecord)
- (setq func (lookup-key (current-local-map) (this-command-keys)))
- (call-interactively func)))
+(defun gnus-group-set-parameter (group name value)
+ "Set parameter NAME to VALUE in GROUP."
+ (let ((info (gnus-get-info group)))
+ (if (not info)
+ () ; This is a dead group. We just ignore it.
+ (let ((old-params (gnus-info-params info))
+ (new-params (list (cons name value))))
+ (while old-params
+ (if (or (not (listp (car old-params)))
+ (not (eq (caar old-params) name)))
+ (setq new-params (append new-params (list (car old-params)))))
+ (setq old-params (cdr old-params)))
+ (gnus-group-set-info new-params group 'params)))))
-(defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
- "Read a summary buffer key sequence and execute it from the article buffer."
- (interactive "P")
- (let ((nosaves
- '("q" "Q" "c" "r" "R" "\C-c\C-f" "m" "a" "f" "F"
- "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
- "=" "^" "\M-^"))
- keys)
- (save-excursion
- (set-buffer gnus-summary-buffer)
- (push (or key last-command-event) unread-command-events)
- (setq keys (read-key-sequence nil)))
- (message "")
+(defun gnus-group-add-score (group &optional score)
+ "Add SCORE to the GROUP score.
+If SCORE is nil, add 1 to the score of GROUP."
+ (let ((info (gnus-get-info group)))
+ (when info
+ (gnus-info-set-score info (+ (gnus-info-score info) (or score 1))))))
- (if (member keys nosaves)
- (let (func)
- (pop-to-buffer gnus-summary-buffer 'norecord)
- (if (setq func (lookup-key (current-local-map) keys))
- (call-interactively func)
- (ding)))
- (let ((obuf (current-buffer))
- (owin (current-window-configuration))
- (opoint (point))
- func in-buffer)
- (if not-restore-window
- (pop-to-buffer gnus-summary-buffer 'norecord)
- (switch-to-buffer gnus-summary-buffer 'norecord))
- (setq in-buffer (current-buffer))
- (if (setq func (lookup-key (current-local-map) keys))
- (call-interactively func)
- (ding))
- (when (eq in-buffer (current-buffer))
- (set-buffer obuf)
- (unless not-restore-window
- (set-window-configuration owin))
- (set-window-point (get-buffer-window (current-buffer)) opoint))))))
+;; Function written by Stainless Steel Rat <ratinox@ccs.neu.edu>.
+(defun gnus-short-group-name (group &optional levels)
+ "Collapse GROUP name LEVELS."
+ (let* ((name "")
+ (foreign "")
+ (depth 0)
+ (skip 1)
+ (levels (or levels
+ (progn
+ (while (string-match "\\." group skip)
+ (setq skip (match-end 0)
+ depth (+ depth 1)))
+ depth))))
+ (if (string-match ":" group)
+ (setq foreign (substring group 0 (match-end 0))
+ group (substring group (match-end 0))))
+ (while group
+ (if (and (string-match "\\." group)
+ (> levels (- gnus-group-uncollapsed-levels 1)))
+ (setq name (concat name (substring group 0 1))
+ group (substring group (match-end 0))
+ levels (- levels 1)
+ name (concat name "."))
+ (setq name (concat foreign name group)
+ group nil)))
+ name))
\f
;;;
;;; Kill file handling.
;;;
-;;;###autoload
-(defalias 'gnus-batch-kill 'gnus-batch-score)
-;;;###autoload
-(defun gnus-batch-score ()
- "Run batched scoring.
-Usage: emacs -batch -l gnus -f gnus-batch-score <newsgroups> ...
-Newsgroups is a list of strings in Bnews format. If you want to score
-the comp hierarchy, you'd say \"comp.all\". If you would not like to
-score the alt hierarchy, you'd say \"!alt.all\"."
- (interactive)
- (let* ((yes-and-no
- (gnus-newsrc-parse-options
- (apply (function concat)
- (mapcar (lambda (g) (concat g " "))
- command-line-args-left))))
- (gnus-expert-user t)
- (nnmail-spool-file nil)
- (gnus-use-dribble-file nil)
- (yes (car yes-and-no))
- (no (cdr yes-and-no))
- group newsrc entry
- ;; Disable verbose message.
- gnus-novice-user gnus-large-newsgroup)
- ;; Eat all arguments.
- (setq command-line-args-left nil)
- ;; Start Gnus.
- (gnus)
- ;; Apply kills to specified newsgroups in command line arguments.
- (setq newsrc (cdr gnus-newsrc-alist))
- (while newsrc
- (setq group (car (car newsrc)))
- (setq entry (gnus-gethash group gnus-newsrc-hashtb))
- (if (and (<= (nth 1 (car newsrc)) gnus-level-subscribed)
- (and (car entry)
- (or (eq (car entry) t)
- (not (zerop (car entry)))))
- (if yes (string-match yes group) t)
- (or (null no) (not (string-match no group))))
- (progn
- (gnus-summary-read-group group nil t nil t)
- (and (eq (current-buffer) (get-buffer gnus-summary-buffer))
- (gnus-summary-exit))))
- (setq newsrc (cdr newsrc)))
- ;; Exit Emacs.
- (switch-to-buffer gnus-group-buffer)
- (gnus-group-save-newsrc)))
-
(defun gnus-apply-kill-file ()
"Apply a kill file to the current newsgroup.
Returns the number of articles marked as read."
((or (null newsgroup)
(string-equal newsgroup ""))
(expand-file-name gnus-kill-file-name
- (or gnus-kill-files-directory "~/News")))
+ gnus-kill-files-directory))
;; Append ".KILL" to newsgroup name.
((gnus-use-long-file-name 'not-kill)
(expand-file-name (concat (gnus-newsgroup-savable-name newsgroup)
"." gnus-kill-file-name)
- (or gnus-kill-files-directory "~/News")))
+ gnus-kill-files-directory))
;; Place "KILL" under the hierarchical directory.
(t
(expand-file-name (concat (gnus-newsgroup-directory-form newsgroup)
"/" gnus-kill-file-name)
- (or gnus-kill-files-directory "~/News")))))
-
-\f
-;;;
-;;; Dribble file
-;;;
-
-(defvar gnus-dribble-ignore nil)
-(defvar gnus-dribble-eval-file nil)
-
-(defun gnus-dribble-file-name ()
- "Return the dribble file for the current .newsrc."
- (concat
- (if gnus-dribble-directory
- (concat (file-name-as-directory gnus-dribble-directory)
- (file-name-nondirectory gnus-current-startup-file))
- gnus-current-startup-file)
- "-dribble"))
-
-(defun gnus-dribble-enter (string)
- "Enter STRING into the dribble buffer."
- (if (and (not gnus-dribble-ignore)
- gnus-dribble-buffer
- (buffer-name gnus-dribble-buffer))
- (let ((obuf (current-buffer)))
- (set-buffer gnus-dribble-buffer)
- (insert string "\n")
- (set-window-point (get-buffer-window (current-buffer)) (point-max))
- (set-buffer obuf))))
-
-(defun gnus-dribble-read-file ()
- "Read the dribble file from disk."
- (let ((dribble-file (gnus-dribble-file-name)))
- (save-excursion
- (set-buffer (setq gnus-dribble-buffer
- (get-buffer-create
- (file-name-nondirectory dribble-file))))
- (gnus-add-current-to-buffer-list)
- (erase-buffer)
- (setq buffer-file-name dribble-file)
- (auto-save-mode t)
- (buffer-disable-undo (current-buffer))
- (bury-buffer (current-buffer))
- (set-buffer-modified-p nil)
- (let ((auto (make-auto-save-file-name))
- (gnus-dribble-ignore t))
- (when (or (file-exists-p auto) (file-exists-p dribble-file))
- ;; Load whichever file is newest -- the auto save file
- ;; or the "real" file.
- (if (file-newer-than-file-p auto dribble-file)
- (insert-file-contents auto)
- (insert-file-contents dribble-file))
- (unless (zerop (buffer-size))
- (set-buffer-modified-p t))
- ;; Set the file modes to reflect the .newsrc file modes.
- (save-buffer)
- (when (file-exists-p gnus-current-startup-file)
- (set-file-modes dribble-file
- (file-modes gnus-current-startup-file)))
- ;; Possibly eval the file later.
- (when (gnus-y-or-n-p
- "Auto-save file exists. Do you want to read it? ")
- (setq gnus-dribble-eval-file t)))))))
-
-(defun gnus-dribble-eval-file ()
- (if (not gnus-dribble-eval-file)
- ()
- (setq gnus-dribble-eval-file nil)
- (save-excursion
- (let ((gnus-dribble-ignore t))
- (set-buffer gnus-dribble-buffer)
- (eval-buffer (current-buffer))))))
-
-(defun gnus-dribble-delete-file ()
- (if (file-exists-p (gnus-dribble-file-name))
- (delete-file (gnus-dribble-file-name)))
- (if gnus-dribble-buffer
- (save-excursion
- (set-buffer gnus-dribble-buffer)
- (let ((auto (make-auto-save-file-name)))
- (if (file-exists-p auto)
- (delete-file auto))
- (erase-buffer)
- (set-buffer-modified-p nil)))))
-
-(defun gnus-dribble-save ()
- (if (and gnus-dribble-buffer
- (buffer-name gnus-dribble-buffer))
- (save-excursion
- (set-buffer gnus-dribble-buffer)
- (save-buffer))))
-
-(defun gnus-dribble-clear ()
- (save-excursion
- (if (gnus-buffer-exists-p gnus-dribble-buffer)
- (progn
- (set-buffer gnus-dribble-buffer)
- (erase-buffer)
- (set-buffer-modified-p nil)
- (setq buffer-saved-size (buffer-size))))))
-
-\f
-;;;
-;;; Server Communication
-;;;
+ gnus-kill-files-directory))))
-(defun gnus-start-news-server (&optional confirm)
- "Open a method for getting news.
-If CONFIRM is non-nil, the user will be asked for an NNTP server."
- (let (how)
- (if gnus-current-select-method
- ;; Stream is already opened.
- nil
- ;; Open NNTP server.
- (if (null gnus-nntp-service) (setq gnus-nntp-server nil))
- (if confirm
- (progn
- ;; Read server name with completion.
- (setq gnus-nntp-server
- (completing-read "NNTP server: "
- (mapcar (lambda (server) (list server))
- (cons (list gnus-nntp-server)
- gnus-secondary-servers))
- nil nil gnus-nntp-server))))
-
- (if (and gnus-nntp-server
- (stringp gnus-nntp-server)
- (not (string= gnus-nntp-server "")))
- (setq gnus-select-method
- (cond ((or (string= gnus-nntp-server "")
- (string= gnus-nntp-server "::"))
- (list 'nnspool (system-name)))
- ((string-match "^:" gnus-nntp-server)
- (list 'nnmh gnus-nntp-server
- (list 'nnmh-directory
- (file-name-as-directory
- (expand-file-name
- (concat "~/" (substring
- gnus-nntp-server 1)))))
- (list 'nnmh-get-new-mail nil)))
- (t
- (list 'nntp gnus-nntp-server)))))
-
- (setq how (car gnus-select-method))
- (cond ((eq how 'nnspool)
- (require 'nnspool)
- (gnus-message 5 "Looking up local news spool..."))
- ((eq how 'nnmh)
- (require 'nnmh)
- (gnus-message 5 "Looking up mh spool..."))
- (t
- (require 'nntp)))
- (setq gnus-current-select-method gnus-select-method)
- (run-hooks 'gnus-open-server-hook)
- (or
- ;; gnus-open-server-hook might have opened it
- (gnus-server-opened gnus-select-method)
- (gnus-open-server gnus-select-method)
- (gnus-y-or-n-p
- (format
- "%s (%s) open error: '%s'. Continue? "
- (car gnus-select-method) (cadr gnus-select-method)
- (gnus-status-message gnus-select-method)))
- (progn
- (gnus-message 1 "Couldn't open server on %s"
- (nth 1 gnus-select-method))
- (ding)
- nil)))))
-
-(defun gnus-check-group (group)
- "Try to make sure that the server where GROUP exists is alive."
- (let ((method (gnus-find-method-for-group group)))
- (or (gnus-server-opened method)
- (gnus-open-server method))))
-
-(defun gnus-check-server (&optional method)
- "Check whether the connection to METHOD is down.
-If METHOD is nil, use `gnus-select-method'.
-If it is down, start it up (again)."
- (let ((method (or method gnus-select-method)))
- ;; Transform virtual server names into select methods.
- (when (stringp method)
- (setq method (gnus-server-to-method method)))
- (if (gnus-server-opened method)
- ;; The stream is already opened.
- t
- ;; Open the server.
- (gnus-message 5 "Opening %s server%s..." (car method)
- (if (equal (nth 1 method) "") ""
- (format " on %s" (nth 1 method))))
- (run-hooks 'gnus-open-server-hook)
- (prog1
- (gnus-open-server method)
- (message "")))))
-
-(defun gnus-get-function (method function)
- "Return a function symbol based on METHOD and FUNCTION."
- ;; Translate server names into methods.
- (unless method
- (error "Attempted use of a nil select method"))
- (when (stringp method)
- (setq method (gnus-server-to-method method)))
- (let ((func (intern (format "%s-%s" (car method) function))))
- ;; If the functions isn't bound, we require the backend in
- ;; question.
- (unless (fboundp func)
- (require (car method))
- (unless (fboundp func)
- ;; This backend doesn't implement this function.
- (error "No such function: %s" func)))
- func))
-
-\f
-;;;
-;;; Interface functions to the backends.
-;;;
-
-(defun gnus-open-server (method)
- "Open a connection to METHOD."
- (let ((elem (assoc method gnus-opened-servers)))
- ;; If this method was previously denied, we just return nil.
- (if (eq (nth 1 elem) 'denied)
- (progn
- (gnus-message 1 "Denied server")
- nil)
- ;; Open the server.
- (let ((result
- (funcall (gnus-get-function method 'open-server)
- (nth 1 method) (nthcdr 2 method))))
- ;; If this hasn't been opened before, we add it to the list.
- (unless elem
- (setq elem (list method nil)
- gnus-opened-servers (cons elem gnus-opened-servers)))
- ;; Set the status of this server.
- (setcar (cdr elem) (if result 'ok 'denied))
- ;; Return the result from the "open" call.
- result))))
-
-(defun gnus-close-server (method)
- "Close the connection to METHOD."
- (funcall (gnus-get-function method 'close-server) (nth 1 method)))
-
-(defun gnus-request-list (method)
- "Request the active file from METHOD."
- (funcall (gnus-get-function method 'request-list) (nth 1 method)))
-
-(defun gnus-request-list-newsgroups (method)
- "Request the newsgroups file from METHOD."
- (funcall (gnus-get-function method 'request-list-newsgroups) (nth 1 method)))
-
-(defun gnus-request-newgroups (date method)
- "Request all new groups since DATE from METHOD."
- (funcall (gnus-get-function method 'request-newgroups)
- date (nth 1 method)))
-
-(defun gnus-server-opened (method)
- "Check whether a connection to METHOD has been opened."
- (funcall (gnus-get-function method 'server-opened) (nth 1 method)))
-
-(defun gnus-status-message (method)
- "Return the status message from METHOD.
-If METHOD is a string, it is interpreted as a group name. The method
-this group uses will be queried."
- (let ((method (if (stringp method) (gnus-find-method-for-group method)
- method)))
- (funcall (gnus-get-function method 'status-message) (nth 1 method))))
-
-(defun gnus-request-group (group &optional dont-check method)
- "Request GROUP. If DONT-CHECK, no information is required."
- (let ((method (or method (gnus-find-method-for-group group))))
- (funcall (gnus-get-function method 'request-group)
- (gnus-group-real-name group) (nth 1 method) dont-check)))
-
-(defun gnus-request-asynchronous (group &optional articles)
- "Request that GROUP behave asynchronously.
-ARTICLES is the `data' of the group."
- (let ((method (gnus-find-method-for-group group)))
- (funcall (gnus-get-function method 'request-asynchronous)
- (gnus-group-real-name group) (nth 1 method) articles)))
-
-(defun gnus-list-active-group (group)
- "Request active information on GROUP."
- (let ((method (gnus-find-method-for-group group))
- (func 'list-active-group))
- (when (gnus-check-backend-function func group)
- (funcall (gnus-get-function method func)
- (gnus-group-real-name group) (nth 1 method)))))
-
-(defun gnus-request-group-description (group)
- "Request a description of GROUP."
- (let ((method (gnus-find-method-for-group group))
- (func 'request-group-description))
- (when (gnus-check-backend-function func group)
- (funcall (gnus-get-function method func)
- (gnus-group-real-name group) (nth 1 method)))))
-
-(defun gnus-close-group (group)
- "Request the GROUP be closed."
- (let ((method (gnus-find-method-for-group group)))
- (funcall (gnus-get-function method 'close-group)
- (gnus-group-real-name group) (nth 1 method))))
-
-(defun gnus-retrieve-headers (articles group &optional fetch-old)
- "Request headers for ARTICLES in GROUP.
-If FETCH-OLD, retrieve all headers (or some subset thereof) in the group."
- (let ((method (gnus-find-method-for-group group)))
- (if (and gnus-use-cache (numberp (car articles)))
- (gnus-cache-retrieve-headers articles group fetch-old)
- (funcall (gnus-get-function method 'retrieve-headers)
- articles (gnus-group-real-name group) (nth 1 method)
- fetch-old))))
-
-(defun gnus-retrieve-groups (groups method)
- "Request active information on GROUPS from METHOD."
- (funcall (gnus-get-function method 'retrieve-groups) groups (nth 1 method)))
-
-(defun gnus-request-type (group &optional article)
- "Return the type (`post' or `mail') of GROUP (and ARTICLE)."
- (let ((method (gnus-find-method-for-group group)))
- (if (not (gnus-check-backend-function 'request-type (car method)))
- 'unknown
- (funcall (gnus-get-function method 'request-type)
- (gnus-group-real-name group) article))))
-
-(defun gnus-request-update-mark (group article mark)
- "Return the type (`post' or `mail') of GROUP (and ARTICLE)."
- (let ((method (gnus-find-method-for-group group)))
- (if (not (gnus-check-backend-function 'request-update-mark (car method)))
- mark
- (funcall (gnus-get-function method 'request-update-mark)
- (gnus-group-real-name group) article mark))))
-
-(defun gnus-request-article (article group &optional buffer)
- "Request the ARTICLE in GROUP.
-ARTICLE can either be an article number or an article Message-ID.
-If BUFFER, insert the article in that group."
- (let ((method (gnus-find-method-for-group group)))
- (funcall (gnus-get-function method 'request-article)
- article (gnus-group-real-name group) (nth 1 method) buffer)))
-
-(defun gnus-request-head (article group)
- "Request the head of ARTICLE in GROUP."
- (let ((method (gnus-find-method-for-group group)))
- (funcall (gnus-get-function method 'request-head)
- article (gnus-group-real-name group) (nth 1 method))))
-
-(defun gnus-request-body (article group)
- "Request the body of ARTICLE in GROUP."
- (let ((method (gnus-find-method-for-group group)))
- (funcall (gnus-get-function method 'request-body)
- article (gnus-group-real-name group) (nth 1 method))))
-
-(defun gnus-request-post (method)
- "Post the current buffer using METHOD."
- (funcall (gnus-get-function method 'request-post) (nth 1 method)))
-
-(defun gnus-request-scan (group method)
- "Request a SCAN being performed in GROUP from METHOD.
-If GROUP is nil, all groups on METHOD are scanned."
- (let ((method (if group (gnus-find-method-for-group group) method)))
- (funcall (gnus-get-function method 'request-scan)
- (and group (gnus-group-real-name group)) (nth 1 method))))
-
-(defsubst gnus-request-update-info (info method)
- "Request that METHOD update INFO."
- (when (gnus-check-backend-function 'request-update-info (car method))
- (funcall (gnus-get-function method 'request-update-info)
- (gnus-group-real-name (gnus-info-group info))
- info (nth 1 method))))
-
-(defun gnus-request-expire-articles (articles group &optional force)
- (let ((method (gnus-find-method-for-group group)))
- (funcall (gnus-get-function method 'request-expire-articles)
- articles (gnus-group-real-name group) (nth 1 method)
- force)))
-
-(defun gnus-request-move-article
- (article group server accept-function &optional last)
- (let ((method (gnus-find-method-for-group group)))
- (funcall (gnus-get-function method 'request-move-article)
- article (gnus-group-real-name group)
- (nth 1 method) accept-function last)))
-
-(defun gnus-request-accept-article (group &optional last method)
- ;; Make sure there's a newline at the end of the article.
- (goto-char (point-max))
- (unless (bolp)
- (insert "\n"))
- (let ((func (if (symbolp group) group
- (car (or method (gnus-find-method-for-group group))))))
- (funcall (intern (format "%s-request-accept-article" func))
- (if (stringp group) (gnus-group-real-name group) group)
- last)))
-
-(defun gnus-request-replace-article (article group buffer)
- (let ((func (car (gnus-find-method-for-group group))))
- (funcall (intern (format "%s-request-replace-article" func))
- article (gnus-group-real-name group) buffer)))
-
-(defun gnus-request-associate-buffer (group)
- (let ((method (gnus-find-method-for-group group)))
- (funcall (gnus-get-function method 'request-associate-buffer)
- (gnus-group-real-name group))))
-
-(defun gnus-request-restore-buffer (article group)
- "Request a new buffer restored to the state of ARTICLE."
- (let ((method (gnus-find-method-for-group group)))
- (funcall (gnus-get-function method 'request-restore-buffer)
- article (gnus-group-real-name group) (nth 1 method))))
-
-(defun gnus-request-create-group (group &optional method)
- (let ((method (or method (gnus-find-method-for-group group))))
- (funcall (gnus-get-function method 'request-create-group)
- (gnus-group-real-name group) (nth 1 method))))
-
-(defun gnus-request-delete-group (group &optional force)
- (let ((method (gnus-find-method-for-group group)))
- (funcall (gnus-get-function method 'request-delete-group)
- (gnus-group-real-name group) force (nth 1 method))))
-
-(defun gnus-request-rename-group (group new-name)
- (let ((method (gnus-find-method-for-group group)))
- (funcall (gnus-get-function method 'request-rename-group)
- (gnus-group-real-name group)
- (gnus-group-real-name new-name) (nth 1 method))))
+;;; Server things.
(defun gnus-member-of-valid (symbol group)
"Find out if GROUP has SYMBOL as part of its \"valid\" spec."
(defun gnus-method-option-p (method option)
"Return non-nil if select METHOD has OPTION as a parameter."
+ (when (stringp method)
+ (setq method (gnus-server-to-method method)))
(memq option (assoc (format "%s" (car method))
gnus-valid-select-methods)))
(setcar (cdr entry) (concat (nth 1 entry) "+" group))
(nconc entry (cdr method))))
+(defun gnus-server-status (method)
+ "Return the status of METHOD."
+ (nth 1 (assoc method gnus-opened-servers)))
+
+(defun gnus-group-name-to-method (group)
+ "Return a select method suitable for GROUP."
+ (if (string-match ":" group)
+ (let ((server (substring group 0 (match-beginning 0))))
+ (if (string-match "\\+" server)
+ (list (intern (substring server 0 (match-beginning 0)))
+ (substring server (match-end 0)))
+ (list (intern server) "")))
+ gnus-select-method))
+
(defun gnus-find-method-for-group (group &optional info)
"Find the select method that GROUP uses."
(or gnus-override-method
(let ((info (or info (gnus-get-info group)))
method)
(if (or (not info)
- (not (setq method (gnus-info-method info))))
- (setq method gnus-select-method)
+ (not (setq method (gnus-info-method info)))
+ (equal method "native"))
+ gnus-select-method
(setq method
(cond ((stringp method)
(gnus-server-to-method method))
(gnus-server-extend-method group method))
(t
method)))
- (gnus-server-add-address method)))))
+ (cond ((equal (cadr method) "")
+ method)
+ ((null (cadr method))
+ (list (car method) ""))
+ (t
+ (gnus-server-add-address method)))))))
(defun gnus-check-backend-function (func group)
"Check whether GROUP supports function FUNC."
(setq valids (cdr valids)))
outs))
-\f
-;;;
-;;; Active & Newsrc File Handling
-;;;
-
-(defun gnus-setup-news (&optional rawfile level)
- "Setup news information.
-If RAWFILE is non-nil, the .newsrc file will also be read.
-If LEVEL is non-nil, the news will be set up at level LEVEL."
- (let ((init (not (and gnus-newsrc-alist gnus-active-hashtb (not rawfile)))))
- ;; Clear some variables to re-initialize news information.
- (if init (setq gnus-newsrc-alist nil
- gnus-active-hashtb nil))
-
- ;; Read the newsrc file and create `gnus-newsrc-hashtb'.
- (if init (gnus-read-newsrc-file rawfile))
-
- (unless (assoc "archive" gnus-server-alist)
- (push (cons "archive" gnus-message-archive-method)
- gnus-server-alist))
-
- ;; If we don't read the complete active file, we fill in the
- ;; hashtb here.
- (if (or (null gnus-read-active-file)
- (eq gnus-read-active-file 'some))
- (gnus-update-active-hashtb-from-killed))
-
- ;; Read the active file and create `gnus-active-hashtb'.
- ;; If `gnus-read-active-file' is nil, then we just create an empty
- ;; hash table. The partial filling out of the hash table will be
- ;; done in `gnus-get-unread-articles'.
- (and gnus-read-active-file
- (not level)
- (gnus-read-active-file))
+;;; User-level commands.
- (or gnus-active-hashtb
- (setq gnus-active-hashtb (make-vector 4095 0)))
-
- ;; Initialize the cache.
- (when gnus-use-cache
- (gnus-cache-open))
-
- ;; Possibly eval the dribble file.
- (and init (or gnus-use-dribble-file gnus-slave) (gnus-dribble-eval-file))
-
- (gnus-update-format-specifications)
-
- ;; Find new newsgroups and treat them.
- (if (and init gnus-check-new-newsgroups (not level)
- (gnus-check-server gnus-select-method))
- (gnus-find-new-newsgroups))
-
- ;; Find the number of unread articles in each non-dead group.
- (let ((gnus-read-active-file (and (not level) gnus-read-active-file)))
- (gnus-get-unread-articles level))
-
- (if (and init gnus-check-bogus-newsgroups
- gnus-read-active-file (not level)
- (gnus-server-opened gnus-select-method))
- (gnus-check-bogus-newsgroups))))
-
-(defun gnus-find-new-newsgroups (&optional arg)
- "Search for new newsgroups and add them.
-Each new newsgroup will be treated with `gnus-subscribe-newsgroup-method.'
-The `-n' option line from .newsrc is respected.
-If ARG (the prefix), use the `ask-server' method to query
-the server for new groups."
+;;;###autoload
+(defun gnus-slave-no-server (&optional arg)
+ "Read network news as a slave, without connecting to local server"
(interactive "P")
- (let ((check (if (or (and arg (not (listp gnus-check-new-newsgroups)))
- (null gnus-read-active-file)
- (eq gnus-read-active-file 'some))
- 'ask-server gnus-check-new-newsgroups)))
- (unless (gnus-check-first-time-used)
- (if (or (consp check)
- (eq check 'ask-server))
- ;; Ask the server for new groups.
- (gnus-ask-server-for-new-groups)
- ;; Go through the active hashtb and look for new groups.
- (let ((groups 0)
- group new-newsgroups)
- (gnus-message 5 "Looking for new newsgroups...")
- (unless gnus-have-read-active-file
- (gnus-read-active-file))
- (setq gnus-newsrc-last-checked-date (current-time-string))
- (unless gnus-killed-hashtb
- (gnus-make-hashtable-from-killed))
- ;; Go though every newsgroup in `gnus-active-hashtb' and compare
- ;; with `gnus-newsrc-hashtb' and `gnus-killed-hashtb'.
- (mapatoms
- (lambda (sym)
- (if (or (null (setq group (symbol-name sym)))
- (not (boundp sym))
- (null (symbol-value sym))
- (gnus-gethash group gnus-killed-hashtb)
- (gnus-gethash group gnus-newsrc-hashtb))
- ()
- (let ((do-sub (gnus-matches-options-n group)))
- (cond
- ((eq do-sub 'subscribe)
- (setq groups (1+ groups))
- (gnus-sethash group group gnus-killed-hashtb)
- (funcall gnus-subscribe-options-newsgroup-method group))
- ((eq do-sub 'ignore)
- nil)
- (t
- (setq groups (1+ groups))
- (gnus-sethash group group gnus-killed-hashtb)
- (if gnus-subscribe-hierarchical-interactive
- (setq new-newsgroups (cons group new-newsgroups))
- (funcall gnus-subscribe-newsgroup-method group)))))))
- gnus-active-hashtb)
- (when new-newsgroups
- (gnus-subscribe-hierarchical-interactive new-newsgroups))
- ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
- (if (> groups 0)
- (gnus-message 6 "%d new newsgroup%s arrived."
- groups (if (> groups 1) "s have" " has"))
- (gnus-message 6 "No new newsgroups.")))))))
-
-(defun gnus-matches-options-n (group)
- ;; Returns `subscribe' if the group is to be unconditionally
- ;; subscribed, `ignore' if it is to be ignored, and nil if there is
- ;; no match for the group.
-
- ;; First we check the two user variables.
- (cond
- ((and gnus-options-subscribe
- (string-match gnus-options-subscribe group))
- 'subscribe)
- ((and gnus-auto-subscribed-groups
- (string-match gnus-auto-subscribed-groups group))
- 'subscribe)
- ((and gnus-options-not-subscribe
- (string-match gnus-options-not-subscribe group))
- 'ignore)
- ;; Then we go through the list that was retrieved from the .newsrc
- ;; file. This list has elements on the form
- ;; `(REGEXP . {ignore,subscribe})'. The first match found (the list
- ;; is in the reverse order of the options line) is returned.
- (t
- (let ((regs gnus-newsrc-options-n))
- (while (and regs
- (not (string-match (car (car regs)) group)))
- (setq regs (cdr regs)))
- (and regs (cdr (car regs)))))))
-
-(defun gnus-ask-server-for-new-groups ()
- (let* ((date (or gnus-newsrc-last-checked-date (current-time-string)))
- (methods (cons gnus-select-method
- (cons
- "archive"
- (append
- (and (consp gnus-check-new-newsgroups)
- gnus-check-new-newsgroups)
- gnus-secondary-select-methods))))
- (groups 0)
- (new-date (current-time-string))
- group new-newsgroups got-new method hashtb
- gnus-override-subscribe-method)
- ;; Go through both primary and secondary select methods and
- ;; request new newsgroups.
- (while (setq method (gnus-server-get-method nil (pop methods)))
- (setq new-newsgroups nil)
- (setq gnus-override-subscribe-method method)
- (when (and (gnus-check-server method)
- (gnus-request-newgroups date method))
- (save-excursion
- (setq got-new t)
- (setq hashtb (gnus-make-hashtable 100))
- (set-buffer nntp-server-buffer)
- ;; Enter all the new groups into a hashtable.
- (gnus-active-to-gnus-format method hashtb 'ignore)))
- ;; Now all new groups from `method' are in `hashtb'.
- (mapatoms
- (lambda (group-sym)
- (if (or (null (setq group (symbol-name group-sym)))
- (null (symbol-value group-sym))
- (gnus-gethash group gnus-newsrc-hashtb)
- (member group gnus-zombie-list)
- (member group gnus-killed-list))
- ;; The group is already known.
- ()
- ;; Make this group active.
- (when (symbol-value group-sym)
- (gnus-set-active group (symbol-value group-sym)))
- ;; Check whether we want it or not.
- (let ((do-sub (gnus-matches-options-n group)))
- (cond
- ((eq do-sub 'subscribe)
- (incf groups)
- (gnus-sethash group group gnus-killed-hashtb)
- (funcall gnus-subscribe-options-newsgroup-method group))
- ((eq do-sub 'ignore)
- nil)
- (t
- (incf groups)
- (gnus-sethash group group gnus-killed-hashtb)
- (if gnus-subscribe-hierarchical-interactive
- (push group new-newsgroups)
- (funcall gnus-subscribe-newsgroup-method group)))))))
- hashtb)
- (when new-newsgroups
- (gnus-subscribe-hierarchical-interactive new-newsgroups)))
- ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
- (when (> groups 0)
- (gnus-message 6 "%d new newsgroup%s arrived."
- groups (if (> groups 1) "s have" " has")))
- (and got-new (setq gnus-newsrc-last-checked-date new-date))
- got-new))
-
-(defun gnus-check-first-time-used ()
- (if (or (> (length gnus-newsrc-alist) 1)
- (file-exists-p gnus-startup-file)
- (file-exists-p (concat gnus-startup-file ".el"))
- (file-exists-p (concat gnus-startup-file ".eld")))
- nil
- (gnus-message 6 "First time user; subscribing you to default groups")
- (unless gnus-have-read-active-file
- (gnus-read-active-file))
- (setq gnus-newsrc-last-checked-date (current-time-string))
- (let ((groups gnus-default-subscribed-newsgroups)
- group)
- (if (eq groups t)
- nil
- (setq groups (or groups gnus-backup-default-subscribed-newsgroups))
- (mapatoms
- (lambda (sym)
- (if (null (setq group (symbol-name sym)))
- ()
- (let ((do-sub (gnus-matches-options-n group)))
- (cond
- ((eq do-sub 'subscribe)
- (gnus-sethash group group gnus-killed-hashtb)
- (funcall gnus-subscribe-options-newsgroup-method group))
- ((eq do-sub 'ignore)
- nil)
- (t
- (setq gnus-killed-list (cons group gnus-killed-list)))))))
- gnus-active-hashtb)
- (while groups
- (if (gnus-active (car groups))
- (gnus-group-change-level
- (car groups) gnus-level-default-subscribed gnus-level-killed))
- (setq groups (cdr groups)))
- (gnus-group-make-help-group)
- (and gnus-novice-user
- (gnus-message 7 "`A k' to list killed groups"))))))
-
-(defun gnus-subscribe-group (group previous &optional method)
- (gnus-group-change-level
- (if method
- (list t group gnus-level-default-subscribed nil nil method)
- group)
- gnus-level-default-subscribed gnus-level-killed previous t))
-
-;; `gnus-group-change-level' is the fundamental function for changing
-;; subscription levels of newsgroups. This might mean just changing
-;; from level 1 to 2, which is pretty trivial, from 2 to 6 or back
-;; again, which subscribes/unsubscribes a group, which is equally
-;; trivial. Changing from 1-7 to 8-9 means that you kill a group, and
-;; from 8-9 to 1-7 means that you remove the group from the list of
-;; killed (or zombie) groups and add them to the (kinda) subscribed
-;; groups. And last but not least, moving from 8 to 9 and 9 to 8,
-;; which is trivial.
-;; ENTRY can either be a string (newsgroup name) or a list (if
-;; FROMKILLED is t, it's a list on the format (NUM INFO-LIST),
-;; otherwise it's a list in the format of the `gnus-newsrc-hashtb'
-;; entries.
-;; LEVEL is the new level of the group, OLDLEVEL is the old level and
-;; PREVIOUS is the group (in hashtb entry format) to insert this group
-;; after.
-(defun gnus-group-change-level (entry level &optional oldlevel
- previous fromkilled)
- (let (group info active num)
- ;; Glean what info we can from the arguments
- (if (consp entry)
- (if fromkilled (setq group (nth 1 entry))
- (setq group (car (nth 2 entry))))
- (setq group entry))
- (if (and (stringp entry)
- oldlevel
- (< oldlevel gnus-level-zombie))
- (setq entry (gnus-gethash entry gnus-newsrc-hashtb)))
- (if (and (not oldlevel)
- (consp entry))
- (setq oldlevel (car (cdr (nth 2 entry)))))
- (if (stringp previous)
- (setq previous (gnus-gethash previous gnus-newsrc-hashtb)))
-
- (if (and (>= oldlevel gnus-level-zombie)
- (gnus-gethash group gnus-newsrc-hashtb))
- ;; We are trying to subscribe a group that is already
- ;; subscribed.
- () ; Do nothing.
-
- (or (gnus-ephemeral-group-p group)
- (gnus-dribble-enter
- (format "(gnus-group-change-level %S %S %S %S %S)"
- group level oldlevel (car (nth 2 previous)) fromkilled)))
-
- ;; Then we remove the newgroup from any old structures, if needed.
- ;; If the group was killed, we remove it from the killed or zombie
- ;; list. If not, and it is in fact going to be killed, we remove
- ;; it from the newsrc hash table and assoc.
- (cond
- ((>= oldlevel gnus-level-zombie)
- (if (= oldlevel gnus-level-zombie)
- (setq gnus-zombie-list (delete group gnus-zombie-list))
- (setq gnus-killed-list (delete group gnus-killed-list))))
- (t
- (if (and (>= level gnus-level-zombie)
- entry)
- (progn
- (gnus-sethash (car (nth 2 entry)) nil gnus-newsrc-hashtb)
- (if (nth 3 entry)
- (setcdr (gnus-gethash (car (nth 3 entry))
- gnus-newsrc-hashtb)
- (cdr entry)))
- (setcdr (cdr entry) (cdr (cdr (cdr entry))))))))
-
- ;; Finally we enter (if needed) the list where it is supposed to
- ;; go, and change the subscription level. If it is to be killed,
- ;; we enter it into the killed or zombie list.
- (cond
- ((>= level gnus-level-zombie)
- ;; Remove from the hash table.
- (gnus-sethash group nil gnus-newsrc-hashtb)
- ;; We do not enter foreign groups into the list of dead
- ;; groups.
- (unless (gnus-group-foreign-p group)
- (if (= level gnus-level-zombie)
- (setq gnus-zombie-list (cons group gnus-zombie-list))
- (setq gnus-killed-list (cons group gnus-killed-list)))))
- (t
- ;; If the list is to be entered into the newsrc assoc, and
- ;; it was killed, we have to create an entry in the newsrc
- ;; hashtb format and fix the pointers in the newsrc assoc.
- (if (< oldlevel gnus-level-zombie)
- ;; It was alive, and it is going to stay alive, so we
- ;; just change the level and don't change any pointers or
- ;; hash table entries.
- (setcar (cdr (car (cdr (cdr entry)))) level)
- (if (listp entry)
- (setq info (cdr entry)
- num (car entry))
- (setq active (gnus-active group))
- (setq num
- (if active (- (1+ (cdr active)) (car active)) t))
- ;; Check whether the group is foreign. If so, the
- ;; foreign select method has to be entered into the
- ;; info.
- (let ((method (or gnus-override-subscribe-method
- (gnus-group-method group))))
- (if (eq method gnus-select-method)
- (setq info (list group level nil))
- (setq info (list group level nil nil method)))))
- (unless previous
- (setq previous
- (let ((p gnus-newsrc-alist))
- (while (cdr (cdr p))
- (setq p (cdr p)))
- p)))
- (setq entry (cons info (cdr (cdr previous))))
- (if (cdr previous)
- (progn
- (setcdr (cdr previous) entry)
- (gnus-sethash group (cons num (cdr previous))
- gnus-newsrc-hashtb))
- (setcdr previous entry)
- (gnus-sethash group (cons num previous)
- gnus-newsrc-hashtb))
- (when (cdr entry)
- (setcdr (gnus-gethash (car (car (cdr entry))) gnus-newsrc-hashtb)
- entry)))))
- (when gnus-group-change-level-function
- (funcall gnus-group-change-level-function group level oldlevel)))))
-
-(defun gnus-kill-newsgroup (newsgroup)
- "Obsolete function. Kills a newsgroup."
- (gnus-group-change-level
- (gnus-gethash newsgroup gnus-newsrc-hashtb) gnus-level-killed))
-
-(defun gnus-check-bogus-newsgroups (&optional confirm)
- "Remove bogus newsgroups.
-If CONFIRM is non-nil, the user has to confirm the deletion of every
-newsgroup."
- (let ((newsrc (cdr gnus-newsrc-alist))
- bogus group entry info)
- (gnus-message 5 "Checking bogus newsgroups...")
- (unless gnus-have-read-active-file
- (gnus-read-active-file))
- (when (member gnus-select-method gnus-have-read-active-file)
- ;; Find all bogus newsgroup that are subscribed.
- (while newsrc
- (setq info (pop newsrc)
- group (gnus-info-group info))
- (unless (or (gnus-active group) ; Active
- (gnus-info-method info) ; Foreign
- (and confirm
- (not (gnus-y-or-n-p
- (format "Remove bogus newsgroup: %s " group)))))
- ;; Found a bogus newsgroup.
- (push group bogus)))
- ;; Remove all bogus subscribed groups by first killing them, and
- ;; then removing them from the list of killed groups.
- (while bogus
- (when (setq entry (gnus-gethash (setq group (pop bogus))
- gnus-newsrc-hashtb))
- (gnus-group-change-level entry gnus-level-killed)
- (setq gnus-killed-list (delete group gnus-killed-list))))
- ;; Then we remove all bogus groups from the list of killed and
- ;; zombie groups. They are are removed without confirmation.
- (let ((dead-lists '(gnus-killed-list gnus-zombie-list))
- killed)
- (while dead-lists
- (setq killed (symbol-value (car dead-lists)))
- (while killed
- (unless (gnus-active (setq group (pop killed)))
- ;; The group is bogus.
- ;; !!!Slow as hell.
- (set (car dead-lists)
- (delete group (symbol-value (car dead-lists))))))
- (setq dead-lists (cdr dead-lists))))
- (gnus-message 5 "Checking bogus newsgroups...done"))))
-
-(defun gnus-check-duplicate-killed-groups ()
- "Remove duplicates from the list of killed groups."
- (interactive)
- (let ((killed gnus-killed-list))
- (while killed
- (gnus-message 9 "%d" (length killed))
- (setcdr killed (delete (car killed) (cdr killed)))
- (setq killed (cdr killed)))))
-
-;; Go though `gnus-newsrc-alist' and compare with `gnus-active-hashtb'
-;; and compute how many unread articles there are in each group.
-(defun gnus-get-unread-articles (&optional level)
- (let* ((newsrc (cdr gnus-newsrc-alist))
- (level (or level gnus-activate-level (1+ gnus-level-subscribed)))
- (foreign-level
- (min
- (cond ((and gnus-activate-foreign-newsgroups
- (not (numberp gnus-activate-foreign-newsgroups)))
- (1+ gnus-level-subscribed))
- ((numberp gnus-activate-foreign-newsgroups)
- gnus-activate-foreign-newsgroups)
- (t 0))
- level))
- info group active virtuals method)
- (gnus-message 5 "Checking new news...")
-
- (while newsrc
- (setq info (car newsrc)
- group (gnus-info-group info)
- active (gnus-active group))
-
- ;; Check newsgroups. If the user doesn't want to check them, or
- ;; they can't be checked (for instance, if the news server can't
- ;; be reached) we just set the number of unread articles in this
- ;; newsgroup to t. This means that Gnus thinks that there are
- ;; unread articles, but it has no idea how many.
- (if (and (setq method (gnus-info-method info))
- (not (gnus-server-equal
- gnus-select-method
- (gnus-server-get-method nil method)))
- (not (gnus-secondary-method-p method)))
- ;; These groups are foreign. Check the level.
- (when (<= (gnus-info-level info) foreign-level)
- (setq active (gnus-activate-group group 'scan))
- (gnus-close-group group))
-
- ;; These groups are native or secondary.
- (when (and (<= (gnus-info-level info) level)
- (not gnus-read-active-file))
- (setq active (gnus-activate-group group 'scan))
- (gnus-close-group group)))
-
- (if active
- (gnus-get-unread-articles-in-group info active t)
- ;; The group couldn't be reached, so we nix out the number of
- ;; unread articles and stuff.
- (gnus-set-active group nil)
- (setcar (gnus-gethash group gnus-newsrc-hashtb) t))
-
- (setq newsrc (cdr newsrc)))
-
- (gnus-message 5 "Checking new news...done")))
-
-;; Create a hash table out of the newsrc alist. The `car's of the
-;; alist elements are used as keys.
-(defun gnus-make-hashtable-from-newsrc-alist ()
- (let ((alist gnus-newsrc-alist)
- (ohashtb gnus-newsrc-hashtb)
- prev)
- (setq gnus-newsrc-hashtb (gnus-make-hashtable (length alist)))
- (setq alist
- (setq prev (setq gnus-newsrc-alist
- (if (equal (car (car gnus-newsrc-alist))
- "dummy.group")
- gnus-newsrc-alist
- (cons (list "dummy.group" 0 nil) alist)))))
- (while alist
- (gnus-sethash
- (car (car alist))
- (cons (and ohashtb (car (gnus-gethash (car (car alist)) ohashtb)))
- prev)
- gnus-newsrc-hashtb)
- (setq prev alist
- alist (cdr alist)))))
-
-(defun gnus-make-hashtable-from-killed ()
- "Create a hash table from the killed and zombie lists."
- (let ((lists '(gnus-killed-list gnus-zombie-list))
- list)
- (setq gnus-killed-hashtb
- (gnus-make-hashtable
- (+ (length gnus-killed-list) (length gnus-zombie-list))))
- (while lists
- (setq list (symbol-value (car lists)))
- (setq lists (cdr lists))
- (while list
- (gnus-sethash (car list) (car list) gnus-killed-hashtb)
- (setq list (cdr list))))))
-
-(defun gnus-get-unread-articles-in-group (info active &optional update)
- (when active
- ;; Allow the backend to update the info in the group.
- (when update
- (gnus-request-update-info
- info (gnus-find-method-for-group (gnus-info-group info))))
- (let* ((range (gnus-info-read info))
- (num 0)
- (marked (gnus-info-marks info)))
- ;; If a cache is present, we may have to alter the active info.
- (and gnus-use-cache
- (gnus-cache-possibly-alter-active (gnus-info-group info) active))
- ;; Modify the list of read articles according to what articles
- ;; are available; then tally the unread articles and add the
- ;; number to the group hash table entry.
- (cond
- ((zerop (cdr active))
- (setq num 0))
- ((not range)
- (setq num (- (1+ (cdr active)) (car active))))
- ((not (listp (cdr range)))
- ;; Fix a single (num . num) range according to the
- ;; active hash table.
- ;; Fix by Carsten Bormann <cabo@Informatik.Uni-Bremen.DE>.
- (and (< (cdr range) (car active)) (setcdr range (1- (car active))))
- (and (> (cdr range) (cdr active)) (setcdr range (cdr active)))
- ;; Compute number of unread articles.
- (setq num (max 0 (- (cdr active) (- (1+ (cdr range)) (car range))))))
- (t
- ;; The read list is a list of ranges. Fix them according to
- ;; the active hash table.
- ;; First peel off any elements that are below the lower
- ;; active limit.
- (while (and (cdr range)
- (>= (car active)
- (or (and (atom (car (cdr range))) (car (cdr range)))
- (car (car (cdr range))))))
- (if (numberp (car range))
- (setcar range
- (cons (car range)
- (or (and (numberp (car (cdr range)))
- (car (cdr range)))
- (cdr (car (cdr range))))))
- (setcdr (car range)
- (or (and (numberp (nth 1 range)) (nth 1 range))
- (cdr (car (cdr range))))))
- (setcdr range (cdr (cdr range))))
- ;; Adjust the first element to be the same as the lower limit.
- (if (and (not (atom (car range)))
- (< (cdr (car range)) (car active)))
- (setcdr (car range) (1- (car active))))
- ;; Then we want to peel off any elements that are higher
- ;; than the upper active limit.
- (let ((srange range))
- ;; Go past all legal elements.
- (while (and (cdr srange)
- (<= (or (and (atom (car (cdr srange)))
- (car (cdr srange)))
- (car (car (cdr srange)))) (cdr active)))
- (setq srange (cdr srange)))
- (if (cdr srange)
- ;; Nuke all remaining illegal elements.
- (setcdr srange nil))
-
- ;; Adjust the final element.
- (if (and (not (atom (car srange)))
- (> (cdr (car srange)) (cdr active)))
- (setcdr (car srange) (cdr active))))
- ;; Compute the number of unread articles.
- (while range
- (setq num (+ num (- (1+ (or (and (atom (car range)) (car range))
- (cdr (car range))))
- (or (and (atom (car range)) (car range))
- (car (car range))))))
- (setq range (cdr range)))
- (setq num (max 0 (- (cdr active) num)))))
- ;; Set the number of unread articles.
- (setcar (gnus-gethash (gnus-info-group info) gnus-newsrc-hashtb) num)
- num)))
-
-(defun gnus-activate-group (group &optional scan)
- ;; Check whether a group has been activated or not.
- ;; If SCAN, request a scan of that group as well.
- (let ((method (gnus-find-method-for-group group))
- active)
- (and (gnus-check-server method)
- ;; We escape all bugs and quit here to make it possible to
- ;; continue if a group is so out-there that it reports bugs
- ;; and stuff.
- (progn
- (and scan
- (gnus-check-backend-function 'request-scan (car method))
- (gnus-request-scan group method))
- t)
- (condition-case ()
- (gnus-request-group group)
- ; (error nil)
- (quit nil))
- (save-excursion
- (set-buffer nntp-server-buffer)
- (goto-char (point-min))
- ;; Parse the result we got from `gnus-request-group'.
- (and (looking-at "[0-9]+ [0-9]+ \\([0-9]+\\) [0-9]+")
- (progn
- (goto-char (match-beginning 1))
- (gnus-set-active
- group (setq active (cons (read (current-buffer))
- (read (current-buffer)))))
- ;; Return the new active info.
- active))))))
-
-(defun gnus-update-read-articles (group unread)
- "Update the list of read and ticked articles in GROUP using the
-UNREAD and TICKED lists.
-Note: UNSELECTED has to be sorted over `<'.
-Returns whether the updating was successful."
- (let* ((active (or gnus-newsgroup-active (gnus-active group)))
- (entry (gnus-gethash group gnus-newsrc-hashtb))
- (info (nth 2 entry))
- (marked (gnus-info-marks info))
- (prev 1)
- (unread (sort (copy-sequence unread) '<))
- read)
- (if (or (not info) (not active))
- ;; There is no info on this group if it was, in fact,
- ;; killed. Gnus stores no information on killed groups, so
- ;; there's nothing to be done.
- ;; One could store the information somewhere temporarily,
- ;; perhaps... Hmmm...
- ()
- ;; Remove any negative articles numbers.
- (while (and unread (< (car unread) 0))
- (setq unread (cdr unread)))
- ;; Remove any expired article numbers
- (while (and unread (< (car unread) (car active)))
- (setq unread (cdr unread)))
- ;; Compute the ranges of read articles by looking at the list of
- ;; unread articles.
- (while unread
- (if (/= (car unread) prev)
- (setq read (cons (if (= prev (1- (car unread))) prev
- (cons prev (1- (car unread)))) read)))
- (setq prev (1+ (car unread)))
- (setq unread (cdr unread)))
- (when (<= prev (cdr active))
- (setq read (cons (cons prev (cdr active)) read)))
- ;; Enter this list into the group info.
- (gnus-info-set-read
- info (if (> (length read) 1) (nreverse read) read))
- ;; Set the number of unread articles in gnus-newsrc-hashtb.
- (gnus-get-unread-articles-in-group info (gnus-active group))
- t)))
-
-(defun gnus-make-articles-unread (group articles)
- "Mark ARTICLES in GROUP as unread."
- (let* ((info (nth 2 (or (gnus-gethash group gnus-newsrc-hashtb)
- (gnus-gethash (gnus-group-real-name group)
- gnus-newsrc-hashtb))))
- (ranges (gnus-info-read info))
- news article)
- (while articles
- (when (gnus-member-of-range
- (setq article (pop articles)) ranges)
- (setq news (cons article news))))
- (when news
- (gnus-info-set-read
- info (gnus-remove-from-range (gnus-info-read info) (nreverse news)))
- (gnus-group-update-group group t))))
-
-;; Enter all dead groups into the hashtb.
-(defun gnus-update-active-hashtb-from-killed ()
- (let ((hashtb (setq gnus-active-hashtb (make-vector 4095 0)))
- (lists (list gnus-killed-list gnus-zombie-list))
- killed)
- (while lists
- (setq killed (car lists))
- (while killed
- (gnus-sethash (car killed) nil hashtb)
- (setq killed (cdr killed)))
- (setq lists (cdr lists)))))
-
-;; Get the active file(s) from the backend(s).
-(defun gnus-read-active-file ()
- (gnus-group-set-mode-line)
- (let ((methods
- (append
- (if (gnus-check-server gnus-select-method)
- ;; The native server is available.
- (cons gnus-select-method gnus-secondary-select-methods)
- ;; The native server is down, so we just do the
- ;; secondary ones.
- gnus-secondary-select-methods)
- ;; Also read from the archive server.
- (list "archive")))
- list-type)
- (setq gnus-have-read-active-file nil)
- (save-excursion
- (set-buffer nntp-server-buffer)
- (while methods
- (let* ((method (if (stringp (car methods))
- (gnus-server-get-method nil (car methods))
- (car methods)))
- (where (nth 1 method))
- (mesg (format "Reading active file%s via %s..."
- (if (and where (not (zerop (length where))))
- (concat " from " where) "")
- (car method))))
- (gnus-message 5 mesg)
- (if (not (gnus-check-server method))
- ()
- ;; Request that the backend scan its incoming messages.
- (and (gnus-check-backend-function 'request-scan (car method))
- (gnus-request-scan nil method))
- (cond
- ((and (eq gnus-read-active-file 'some)
- (gnus-check-backend-function 'retrieve-groups (car method)))
- (let ((newsrc (cdr gnus-newsrc-alist))
- (gmethod (gnus-server-get-method nil method))
- groups)
- (while newsrc
- (and (gnus-server-equal
- (gnus-find-method-for-group
- (car (car newsrc)) (car newsrc))
- gmethod)
- (setq groups (cons (gnus-group-real-name
- (car (car newsrc))) groups)))
- (setq newsrc (cdr newsrc)))
- (gnus-check-server method)
- (setq list-type (gnus-retrieve-groups groups method))
- (cond
- ((not list-type)
- (gnus-message
- 1 "Cannot read partial active file from %s server."
- (car method))
- (ding)
- (sit-for 2))
- ((eq list-type 'active)
- (gnus-active-to-gnus-format method gnus-active-hashtb))
- (t
- (gnus-groups-to-gnus-format method gnus-active-hashtb)))))
- (t
- (if (not (gnus-request-list method))
- (progn
- (unless (equal method gnus-message-archive-method)
- (gnus-message 1 "Cannot read active file from %s server."
- (car method))
- (ding)))
- (gnus-active-to-gnus-format method)
- ;; We mark this active file as read.
- (push method gnus-have-read-active-file)
- (gnus-message 5 "%sdone" mesg))))))
- (setq methods (cdr methods))))))
-
-;; Read an active file and place the results in `gnus-active-hashtb'.
-(defun gnus-active-to-gnus-format (&optional method hashtb ignore-errors)
- (unless method
- (setq method gnus-select-method))
- (let ((cur (current-buffer))
- (hashtb (or hashtb
- (if (and gnus-active-hashtb
- (not (equal method gnus-select-method)))
- gnus-active-hashtb
- (setq gnus-active-hashtb
- (if (equal method gnus-select-method)
- (gnus-make-hashtable
- (count-lines (point-min) (point-max)))
- (gnus-make-hashtable 4096))))))
- (flag-hashtb (gnus-make-hashtable 60)))
- ;; Delete unnecessary lines.
- (goto-char (point-min))
- (while (search-forward "\nto." nil t)
- (delete-region (1+ (match-beginning 0))
- (progn (forward-line 1) (point))))
- (or (string= gnus-ignored-newsgroups "")
- (progn
- (goto-char (point-min))
- (delete-matching-lines gnus-ignored-newsgroups)))
- ;; Make the group names readable as a lisp expression even if they
- ;; contain special characters.
- ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
- (goto-char (point-max))
- (while (re-search-backward "[][';?()#]" nil t)
- (insert ?\\))
- ;; If these are groups from a foreign select method, we insert the
- ;; group prefix in front of the group names.
- (and method (not (gnus-server-equal
- (gnus-server-get-method nil method)
- (gnus-server-get-method nil gnus-select-method)))
- (let ((prefix (gnus-group-prefixed-name "" method)))
- (goto-char (point-min))
- (while (and (not (eobp))
- (progn (insert prefix)
- (zerop (forward-line 1)))))))
- ;; Store the active file in a hash table.
- (goto-char (point-min))
- (if (string-match "%[oO]" gnus-group-line-format)
- ;; Suggested by Brian Edmonds <edmonds@cs.ubc.ca>.
- ;; If we want information on moderated groups, we use this
- ;; loop...
- (let* ((mod-hashtb (make-vector 7 0))
- (m (intern "m" mod-hashtb))
- group max min)
- (while (not (eobp))
- (condition-case nil
- (progn
- (narrow-to-region (point) (gnus-point-at-eol))
- (setq group (let ((obarray hashtb)) (read cur)))
- (if (and (numberp (setq max (read cur)))
- (numberp (setq min (read cur)))
- (progn
- (skip-chars-forward " \t")
- (not
- (or (= (following-char) ?=)
- (= (following-char) ?x)
- (= (following-char) ?j)))))
- (set group (cons min max))
- (set group nil))
- ;; Enter moderated groups into a list.
- (if (eq (let ((obarray mod-hashtb)) (read cur)) m)
- (setq gnus-moderated-list
- (cons (symbol-name group) gnus-moderated-list))))
- (error
- (and group
- (symbolp group)
- (set group nil))))
- (widen)
- (forward-line 1)))
- ;; And if we do not care about moderation, we use this loop,
- ;; which is faster.
- (let (group max min)
- (while (not (eobp))
- (condition-case ()
- (progn
- (narrow-to-region (point) (gnus-point-at-eol))
- ;; group gets set to a symbol interned in the hash table
- ;; (what a hack!!) - jwz
- (setq group (let ((obarray hashtb)) (read cur)))
- (if (and (numberp (setq max (read cur)))
- (numberp (setq min (read cur)))
- (progn
- (skip-chars-forward " \t")
- (not
- (or (= (following-char) ?=)
- (= (following-char) ?x)
- (= (following-char) ?j)))))
- (set group (cons min max))
- (set group nil)))
- (error
- (progn
- (and group
- (symbolp group)
- (set group nil))
- (or ignore-errors
- (gnus-message 3 "Warning - illegal active: %s"
- (buffer-substring
- (gnus-point-at-bol) (gnus-point-at-eol)))))))
- (widen)
- (forward-line 1))))))
-
-(defun gnus-groups-to-gnus-format (method &optional hashtb)
- ;; Parse a "groups" active file.
- (let ((cur (current-buffer))
- (hashtb (or hashtb
- (if (and method gnus-active-hashtb)
- gnus-active-hashtb
- (setq gnus-active-hashtb
- (gnus-make-hashtable
- (count-lines (point-min) (point-max)))))))
- (prefix (and method
- (not (gnus-server-equal
- (gnus-server-get-method nil method)
- (gnus-server-get-method nil gnus-select-method)))
- (gnus-group-prefixed-name "" method))))
-
- (goto-char (point-min))
- ;; We split this into to separate loops, one with the prefix
- ;; and one without to speed the reading up somewhat.
- (if prefix
- (let (min max opoint group)
- (while (not (eobp))
- (condition-case ()
- (progn
- (read cur) (read cur)
- (setq min (read cur)
- max (read cur)
- opoint (point))
- (skip-chars-forward " \t")
- (insert prefix)
- (goto-char opoint)
- (set (let ((obarray hashtb)) (read cur))
- (cons min max)))
- (error (and group (symbolp group) (set group nil))))
- (forward-line 1)))
- (let (min max group)
- (while (not (eobp))
- (condition-case ()
- (if (= (following-char) ?2)
- (progn
- (read cur) (read cur)
- (setq min (read cur)
- max (read cur))
- (set (setq group (let ((obarray hashtb)) (read cur)))
- (cons min max))))
- (error (and group (symbolp group) (set group nil))))
- (forward-line 1))))))
-
-(defun gnus-read-newsrc-file (&optional force)
- "Read startup file.
-If FORCE is non-nil, the .newsrc file is read."
- ;; Reset variables that might be defined in the .newsrc.eld file.
- (let ((variables gnus-variable-list))
- (while variables
- (set (car variables) nil)
- (setq variables (cdr variables))))
- (let* ((newsrc-file gnus-current-startup-file)
- (quick-file (concat newsrc-file ".el")))
- (save-excursion
- ;; We always load the .newsrc.eld file. If always contains
- ;; much information that can not be gotten from the .newsrc
- ;; file (ticked articles, killed groups, foreign methods, etc.)
- (gnus-read-newsrc-el-file quick-file)
-
- (if (or force
- (and (file-newer-than-file-p newsrc-file quick-file)
- (file-newer-than-file-p newsrc-file
- (concat quick-file "d")))
- (not gnus-newsrc-alist))
- ;; We read the .newsrc file. Note that if there if a
- ;; .newsrc.eld file exists, it has already been read, and
- ;; the `gnus-newsrc-hashtb' has been created. While reading
- ;; the .newsrc file, Gnus will only use the information it
- ;; can find there for changing the data already read -
- ;; ie. reading the .newsrc file will not trash the data
- ;; already read (except for read articles).
- (save-excursion
- (gnus-message 5 "Reading %s..." newsrc-file)
- (set-buffer (find-file-noselect newsrc-file))
- (buffer-disable-undo (current-buffer))
- (gnus-newsrc-to-gnus-format)
- (kill-buffer (current-buffer))
- (gnus-message 5 "Reading %s...done" newsrc-file)))
-
- ;; Read any slave files.
- (or gnus-slave
- (gnus-master-read-slave-newsrc)))))
-
-(defun gnus-read-newsrc-el-file (file)
- (let ((ding-file (concat file "d")))
- ;; We always, always read the .eld file.
- (gnus-message 5 "Reading %s..." ding-file)
- (let (gnus-newsrc-assoc)
- (condition-case nil
- (load ding-file t t t)
- (error
- (gnus-message 1 "Error in %s" ding-file)
- (ding)))
- (when gnus-newsrc-assoc
- (setq gnus-newsrc-alist gnus-newsrc-assoc)))
- (gnus-make-hashtable-from-newsrc-alist)
- (when (file-newer-than-file-p file ding-file)
- ;; Old format quick file
- (gnus-message 5 "Reading %s..." file)
- ;; The .el file is newer than the .eld file, so we read that one
- ;; as well.
- (gnus-read-old-newsrc-el-file file))))
-
-;; Parse the old-style quick startup file
-(defun gnus-read-old-newsrc-el-file (file)
- (let (newsrc killed marked group m)
- (prog1
- (let ((gnus-killed-assoc nil)
- gnus-marked-assoc gnus-newsrc-alist gnus-newsrc-assoc)
- (prog1
- (condition-case nil
- (load file t t t)
- (error nil))
- (setq newsrc gnus-newsrc-assoc
- killed gnus-killed-assoc
- marked gnus-marked-assoc)))
- (setq gnus-newsrc-alist nil)
- (while newsrc
- (setq group (car newsrc))
- (let ((info (gnus-get-info (car group))))
- (if info
- (progn
- (gnus-info-set-read info (cdr (cdr group)))
- (gnus-info-set-level
- info (if (nth 1 group) gnus-level-default-subscribed
- gnus-level-default-unsubscribed))
- (setq gnus-newsrc-alist (cons info gnus-newsrc-alist)))
- (setq gnus-newsrc-alist
- (cons
- (setq info
- (list (car group)
- (if (nth 1 group) gnus-level-default-subscribed
- gnus-level-default-unsubscribed)
- (cdr (cdr group))))
- gnus-newsrc-alist)))
- (if (setq m (assoc (car group) marked))
- (gnus-info-set-marks
- info (cons (list (cons 'tick (gnus-compress-sequence
- (sort (cdr m) '<) t)))
- nil))))
- (setq newsrc (cdr newsrc)))
- (setq newsrc killed)
- (while newsrc
- (setcar newsrc (car (car newsrc)))
- (setq newsrc (cdr newsrc)))
- (setq gnus-killed-list killed))
- ;; The .el file version of this variable does not begin with
- ;; "options", while the .eld version does, so we just add it if it
- ;; isn't there.
- (and
- gnus-newsrc-options
- (progn
- (and (not (string-match "^ *options" gnus-newsrc-options))
- (setq gnus-newsrc-options (concat "options " gnus-newsrc-options)))
- (and (not (string-match "\n$" gnus-newsrc-options))
- (setq gnus-newsrc-options (concat gnus-newsrc-options "\n")))
- ;; Finally, if we read some options lines, we parse them.
- (or (string= gnus-newsrc-options "")
- (gnus-newsrc-parse-options gnus-newsrc-options))))
-
- (setq gnus-newsrc-alist (nreverse gnus-newsrc-alist))
- (gnus-make-hashtable-from-newsrc-alist)))
-
-(defun gnus-make-newsrc-file (file)
- "Make server dependent file name by catenating FILE and server host name."
- (let* ((file (expand-file-name file nil))
- (real-file (concat file "-" (nth 1 gnus-select-method))))
- (if (or (file-exists-p real-file)
- (file-exists-p (concat real-file ".el"))
- (file-exists-p (concat real-file ".eld")))
- real-file file)))
-
-(defun gnus-newsrc-to-gnus-format ()
- (setq gnus-newsrc-options "")
- (setq gnus-newsrc-options-n nil)
-
- (or gnus-active-hashtb
- (setq gnus-active-hashtb (make-vector 4095 0)))
- (let ((buf (current-buffer))
- (already-read (> (length gnus-newsrc-alist) 1))
- group subscribed options-symbol newsrc Options-symbol
- symbol reads num1)
- (goto-char (point-min))
- ;; We intern the symbol `options' in the active hashtb so that we
- ;; can `eq' against it later.
- (set (setq options-symbol (intern "options" gnus-active-hashtb)) nil)
- (set (setq Options-symbol (intern "Options" gnus-active-hashtb)) nil)
-
- (while (not (eobp))
- ;; We first read the first word on the line by narrowing and
- ;; then reading into `gnus-active-hashtb'. Most groups will
- ;; already exist in that hashtb, so this will save some string
- ;; space.
- (narrow-to-region
- (point)
- (progn (skip-chars-forward "^ \t!:\n") (point)))
- (goto-char (point-min))
- (setq symbol
- (and (/= (point-min) (point-max))
- (let ((obarray gnus-active-hashtb)) (read buf))))
- (widen)
- ;; Now, the symbol we have read is either `options' or a group
- ;; name. If it is an options line, we just add it to a string.
- (cond
- ((or (eq symbol options-symbol)
- (eq symbol Options-symbol))
- (setq gnus-newsrc-options
- ;; This concating is quite inefficient, but since our
- ;; thorough studies show that approx 99.37% of all
- ;; .newsrc files only contain a single options line, we
- ;; don't give a damn, frankly, my dear.
- (concat gnus-newsrc-options
- (buffer-substring
- (gnus-point-at-bol)
- ;; Options may continue on the next line.
- (or (and (re-search-forward "^[^ \t]" nil 'move)
- (progn (beginning-of-line) (point)))
- (point)))))
- (forward-line -1))
- (symbol
- ;; Group names can be just numbers.
- (when (numberp symbol)
- (setq symbol (intern (int-to-string symbol) gnus-active-hashtb)))
- (or (boundp symbol) (set symbol nil))
- ;; It was a group name.
- (setq subscribed (= (following-char) ?:)
- group (symbol-name symbol)
- reads nil)
- (if (eolp)
- ;; If the line ends here, this is clearly a buggy line, so
- ;; we put point a the beginning of line and let the cond
- ;; below do the error handling.
- (beginning-of-line)
- ;; We skip to the beginning of the ranges.
- (skip-chars-forward "!: \t"))
- ;; We are now at the beginning of the list of read articles.
- ;; We read them range by range.
- (while
- (cond
- ((looking-at "[0-9]+")
- ;; We narrow and read a number instead of buffer-substring/
- ;; string-to-int because it's faster. narrow/widen is
- ;; faster than save-restriction/narrow, and save-restriction
- ;; produces a garbage object.
- (setq num1 (progn
- (narrow-to-region (match-beginning 0) (match-end 0))
- (read buf)))
- (widen)
- ;; If the next character is a dash, then this is a range.
- (if (= (following-char) ?-)
- (progn
- ;; We read the upper bound of the range.
- (forward-char 1)
- (if (not (looking-at "[0-9]+"))
- ;; This is a buggy line, by we pretend that
- ;; it's kinda OK. Perhaps the user should be
- ;; dinged?
- (setq reads (cons num1 reads))
- (setq reads
- (cons
- (cons num1
- (progn
- (narrow-to-region (match-beginning 0)
- (match-end 0))
- (read buf)))
- reads))
- (widen)))
- ;; It was just a simple number, so we add it to the
- ;; list of ranges.
- (setq reads (cons num1 reads)))
- ;; If the next char in ?\n, then we have reached the end
- ;; of the line and return nil.
- (/= (following-char) ?\n))
- ((= (following-char) ?\n)
- ;; End of line, so we end.
- nil)
- (t
- ;; Not numbers and not eol, so this might be a buggy
- ;; line...
- (or (eobp)
- ;; If it was eob instead of ?\n, we allow it.
- (progn
- ;; The line was buggy.
- (setq group nil)
- (gnus-message 3 "Mangled line: %s"
- (buffer-substring (gnus-point-at-bol)
- (gnus-point-at-eol)))
- (ding)
- (sit-for 1)))
- nil))
- ;; Skip past ", ". Spaces are illegal in these ranges, but
- ;; we allow them, because it's a common mistake to put a
- ;; space after the comma.
- (skip-chars-forward ", "))
-
- ;; We have already read .newsrc.eld, so we gently update the
- ;; data in the hash table with the information we have just
- ;; read.
- (when group
- (let ((info (gnus-get-info group))
- level)
- (if info
- ;; There is an entry for this file in the alist.
- (progn
- (gnus-info-set-read info (nreverse reads))
- ;; We update the level very gently. In fact, we
- ;; only change it if there's been a status change
- ;; from subscribed to unsubscribed, or vice versa.
- (setq level (gnus-info-level info))
- (cond ((and (<= level gnus-level-subscribed)
- (not subscribed))
- (setq level (if reads
- gnus-level-default-unsubscribed
- (1+ gnus-level-default-unsubscribed))))
- ((and (> level gnus-level-subscribed) subscribed)
- (setq level gnus-level-default-subscribed)))
- (gnus-info-set-level info level))
- ;; This is a new group.
- (setq info (list group
- (if subscribed
- gnus-level-default-subscribed
- (if reads
- (1+ gnus-level-subscribed)
- gnus-level-default-unsubscribed))
- (nreverse reads))))
- (setq newsrc (cons info newsrc))))))
- (forward-line 1))
-
- (setq newsrc (nreverse newsrc))
-
- (if (not already-read)
- ()
- ;; We now have two newsrc lists - `newsrc', which is what we
- ;; have read from .newsrc, and `gnus-newsrc-alist', which is
- ;; what we've read from .newsrc.eld. We have to merge these
- ;; lists. We do this by "attaching" any (foreign) groups in the
- ;; gnus-newsrc-alist to the (native) group that precedes them.
- (let ((rc (cdr gnus-newsrc-alist))
- (prev gnus-newsrc-alist)
- entry mentry)
- (while rc
- (or (null (nth 4 (car rc))) ; It's a native group.
- (assoc (car (car rc)) newsrc) ; It's already in the alist.
- (if (setq entry (assoc (car (car prev)) newsrc))
- (setcdr (setq mentry (memq entry newsrc))
- (cons (car rc) (cdr mentry)))
- (setq newsrc (cons (car rc) newsrc))))
- (setq prev rc
- rc (cdr rc)))))
-
- (setq gnus-newsrc-alist newsrc)
- ;; We make the newsrc hashtb.
- (gnus-make-hashtable-from-newsrc-alist)
-
- ;; Finally, if we read some options lines, we parse them.
- (or (string= gnus-newsrc-options "")
- (gnus-newsrc-parse-options gnus-newsrc-options))))
-
-;; Parse options lines to find "options -n !all rec.all" and stuff.
-;; The return value will be a list on the form
-;; ((regexp1 . ignore)
-;; (regexp2 . subscribe)...)
-;; When handling new newsgroups, groups that match a `ignore' regexp
-;; will be ignored, and groups that match a `subscribe' regexp will be
-;; subscribed. A line like
-;; options -n !all rec.all
-;; will lead to a list that looks like
-;; (("^rec\\..+" . subscribe)
-;; ("^.+" . ignore))
-;; So all "rec.*" groups will be subscribed, while all the other
-;; groups will be ignored. Note that "options -n !all rec.all" is very
-;; different from "options -n rec.all !all".
-(defun gnus-newsrc-parse-options (options)
- (let (out eol)
- (save-excursion
- (gnus-set-work-buffer)
- (insert (regexp-quote options))
- ;; First we treat all continuation lines.
- (goto-char (point-min))
- (while (re-search-forward "\n[ \t]+" nil t)
- (replace-match " " t t))
- ;; Then we transform all "all"s into ".+"s.
- (goto-char (point-min))
- (while (re-search-forward "\\ball\\b" nil t)
- (replace-match ".+" t t))
- (goto-char (point-min))
- ;; We remove all other options than the "-n" ones.
- (while (re-search-forward "[ \t]-[^n][^-]*" nil t)
- (replace-match " ")
- (forward-char -1))
- (goto-char (point-min))
-
- ;; We are only interested in "options -n" lines - we
- ;; ignore the other option lines.
- (while (re-search-forward "[ \t]-n" nil t)
- (setq eol
- (or (save-excursion
- (and (re-search-forward "[ \t]-n" (gnus-point-at-eol) t)
- (- (point) 2)))
- (gnus-point-at-eol)))
- ;; Search for all "words"...
- (while (re-search-forward "[^ \t,\n]+" eol t)
- (if (= (char-after (match-beginning 0)) ?!)
- ;; If the word begins with a bang (!), this is a "not"
- ;; spec. We put this spec (minus the bang) and the
- ;; symbol `ignore' into the list.
- (setq out (cons (cons (concat
- "^" (buffer-substring
- (1+ (match-beginning 0))
- (match-end 0)))
- 'ignore) out))
- ;; There was no bang, so this is a "yes" spec.
- (setq out (cons (cons (concat "^" (match-string 0))
- 'subscribe) out)))))
-
- (setq gnus-newsrc-options-n out))))
-
-(defun gnus-save-newsrc-file (&optional force)
- "Save .newsrc file."
- ;; Note: We cannot save .newsrc file if all newsgroups are removed
- ;; from the variable gnus-newsrc-alist.
- (when (and (or gnus-newsrc-alist gnus-killed-list)
- gnus-current-startup-file)
- (save-excursion
- (if (and (or gnus-use-dribble-file gnus-slave)
- (not force)
- (or (not gnus-dribble-buffer)
- (not (buffer-name gnus-dribble-buffer))
- (zerop (save-excursion
- (set-buffer gnus-dribble-buffer)
- (buffer-size)))))
- (gnus-message 4 "(No changes need to be saved)")
- (run-hooks 'gnus-save-newsrc-hook)
- (if gnus-slave
- (gnus-slave-save-newsrc)
- ;; Save .newsrc.
- (when gnus-save-newsrc-file
- (gnus-message 5 "Saving %s..." gnus-current-startup-file)
- (gnus-gnus-to-newsrc-format)
- (gnus-message 5 "Saving %s...done" gnus-current-startup-file))
- ;; Save .newsrc.eld.
- (set-buffer (get-buffer-create " *Gnus-newsrc*"))
- (make-local-variable 'version-control)
- (setq version-control 'never)
- (setq buffer-file-name
- (concat gnus-current-startup-file ".eld"))
- (gnus-add-current-to-buffer-list)
- (buffer-disable-undo (current-buffer))
- (erase-buffer)
- (gnus-message 5 "Saving %s.eld..." gnus-current-startup-file)
- (gnus-gnus-to-quick-newsrc-format)
- (run-hooks 'gnus-save-quick-newsrc-hook)
- (save-buffer)
- (kill-buffer (current-buffer))
- (gnus-message
- 5 "Saving %s.eld...done" gnus-current-startup-file))
- (gnus-dribble-delete-file)))))
-
-(defun gnus-gnus-to-quick-newsrc-format ()
- "Insert Gnus variables such as gnus-newsrc-alist in lisp format."
- (insert ";; Gnus startup file.\n")
- (insert ";; Never delete this file - touch .newsrc instead to force Gnus\n")
- (insert ";; to read .newsrc.\n")
- (insert "(setq gnus-newsrc-file-version "
- (prin1-to-string gnus-version) ")\n")
- (let ((variables
- (if gnus-save-killed-list gnus-variable-list
- ;; Remove the `gnus-killed-list' from the list of variables
- ;; to be saved, if required.
- (delq 'gnus-killed-list (copy-sequence gnus-variable-list))))
- ;; Peel off the "dummy" group.
- (gnus-newsrc-alist (cdr gnus-newsrc-alist))
- variable)
- ;; Insert the variables into the file.
- (while variables
- (when (and (boundp (setq variable (pop variables)))
- (symbol-value variable))
- (insert "(setq " (symbol-name variable) " '"
- (prin1-to-string (symbol-value variable)) ")\n")))))
-
-(defun gnus-gnus-to-newsrc-format ()
- ;; Generate and save the .newsrc file.
- (let ((newsrc (cdr gnus-newsrc-alist))
- info ranges range)
- (save-excursion
- (set-buffer (create-file-buffer gnus-current-startup-file))
- (setq buffer-file-name gnus-current-startup-file)
- (buffer-disable-undo (current-buffer))
- (erase-buffer)
- ;; Write options.
- (if gnus-newsrc-options (insert gnus-newsrc-options))
- ;; Write subscribed and unsubscribed.
- (while newsrc
- (setq info (car newsrc))
- (if (not (gnus-info-method info))
- ;; Don't write foreign groups to .newsrc.
- (progn
- (insert (gnus-info-group info)
- (if (> (gnus-info-level info) gnus-level-subscribed)
- "!" ":"))
- (if (setq ranges (gnus-info-read info))
- (progn
- (insert " ")
- (if (not (listp (cdr ranges)))
- (if (= (car ranges) (cdr ranges))
- (insert (int-to-string (car ranges)))
- (insert (int-to-string (car ranges)) "-"
- (int-to-string (cdr ranges))))
- (while ranges
- (setq range (car ranges)
- ranges (cdr ranges))
- (if (or (atom range) (= (car range) (cdr range)))
- (insert (int-to-string
- (or (and (atom range) range)
- (car range))))
- (insert (int-to-string (car range)) "-"
- (int-to-string (cdr range))))
- (if ranges (insert ","))))))
- (insert "\n")))
- (setq newsrc (cdr newsrc)))
- (make-local-variable 'version-control)
- (setq version-control 'never)
- ;; It has been reported that sometime the modtime on the .newsrc
- ;; file seems to be off. We really do want to overwrite it, so
- ;; we clear the modtime here before saving. It's a bit odd,
- ;; though...
- ;; sometimes the modtime clear isn't sufficient. most brute force:
- ;; delete the silly thing entirely first. but this fails to provide
- ;; such niceties as .newsrc~ creation.
- (if gnus-modtime-botch
- (delete-file gnus-startup-file)
- (clear-visited-file-modtime))
- (run-hooks 'gnus-save-standard-newsrc-hook)
- (save-buffer)
- (kill-buffer (current-buffer)))))
-
-\f
-;;;
-;;; Slave functions.
-;;;
-
-(defun gnus-slave-save-newsrc ()
- (save-excursion
- (set-buffer gnus-dribble-buffer)
- (let ((slave-name
- (make-temp-name (concat gnus-current-startup-file "-slave-"))))
- (write-region (point-min) (point-max) slave-name nil 'nomesg))))
-
-(defun gnus-master-read-slave-newsrc ()
- (let ((slave-files
- (directory-files
- (file-name-directory gnus-current-startup-file)
- t (concat
- "^" (regexp-quote
- (concat
- (file-name-nondirectory gnus-current-startup-file)
- "-slave-")))
- t))
- file)
- (if (not slave-files)
- () ; There are no slave files to read.
- (gnus-message 7 "Reading slave newsrcs...")
- (save-excursion
- (set-buffer (get-buffer-create " *gnus slave*"))
- (buffer-disable-undo (current-buffer))
- (setq slave-files
- (sort (mapcar (lambda (file)
- (list (nth 5 (file-attributes file)) file))
- slave-files)
- (lambda (f1 f2)
- (or (< (car (car f1)) (car (car f2)))
- (< (nth 1 (car f1)) (nth 1 (car f2)))))))
- (while slave-files
- (erase-buffer)
- (setq file (nth 1 (car slave-files)))
- (insert-file-contents file)
- (if (condition-case ()
- (progn
- (eval-buffer (current-buffer))
- t)
- (error
- (gnus-message 3 "Possible error in %s" file)
- (ding)
- (sit-for 2)
- nil))
- (or gnus-slave ; Slaves shouldn't delete these files.
- (condition-case ()
- (delete-file file)
- (error nil))))
- (setq slave-files (cdr slave-files))))
- (gnus-message 7 "Reading slave newsrcs...done"))))
-
-\f
-;;;
-;;; Group description.
-;;;
-
-(defun gnus-read-all-descriptions-files ()
- (let ((methods (cons gnus-select-method
- (cons "archive"
- gnus-secondary-select-methods))))
- (while methods
- (gnus-read-descriptions-file (car methods))
- (setq methods (cdr methods)))
- t))
-
-(defun gnus-read-descriptions-file (&optional method)
- (let ((method (or method gnus-select-method)))
- (when (stringp method)
- (setq method (gnus-server-to-method method)))
- ;; We create the hashtable whether we manage to read the desc file
- ;; to avoid trying to re-read after a failed read.
- (or gnus-description-hashtb
- (setq gnus-description-hashtb
- (gnus-make-hashtable (length gnus-active-hashtb))))
- ;; Mark this method's desc file as read.
- (gnus-sethash (gnus-group-prefixed-name "" method) "Has read"
- gnus-description-hashtb)
-
- (gnus-message 5 "Reading descriptions file via %s..." (car method))
- (cond
- ((not (gnus-check-server method))
- (gnus-message 1 "Couldn't open server")
- nil)
- ((not (gnus-request-list-newsgroups method))
- (gnus-message 1 "Couldn't read newsgroups descriptions")
- nil)
- (t
- (let (group)
- (save-excursion
- (save-restriction
- (set-buffer nntp-server-buffer)
- (goto-char (point-min))
- (if (or (search-forward "\n.\n" nil t)
- (goto-char (point-max)))
- (progn
- (beginning-of-line)
- (narrow-to-region (point-min) (point))))
- (goto-char (point-min))
- (while (not (eobp))
- ;; If we get an error, we set group to 0, which is not a
- ;; symbol...
- (setq group
- (condition-case ()
- (let ((obarray gnus-description-hashtb))
- ;; Group is set to a symbol interned in this
- ;; hash table.
- (read nntp-server-buffer))
- (error 0)))
- (skip-chars-forward " \t")
- ;; ... which leads to this line being effectively ignored.
- (and (symbolp group)
- (set group (buffer-substring
- (point) (progn (end-of-line) (point)))))
- (forward-line 1))))
- (gnus-message 5 "Reading descriptions file...done")
- t)))))
-
-(defun gnus-group-get-description (group)
- "Get the description of a group by sending XGTITLE to the server."
- (when (gnus-request-group-description group)
- (save-excursion
- (set-buffer nntp-server-buffer)
- (goto-char (point-min))
- (when (looking-at "[^ \t]+[ \t]+\\(.*\\)")
- (match-string 1)))))
-
-\f
-;;;
-;;; Buffering of read articles.
-;;;
-
-(defvar gnus-backlog-buffer " *Gnus Backlog*")
-(defvar gnus-backlog-articles nil)
-(defvar gnus-backlog-hashtb nil)
-
-(defun gnus-backlog-buffer ()
- "Return the backlog buffer."
- (or (get-buffer gnus-backlog-buffer)
- (save-excursion
- (set-buffer (get-buffer-create gnus-backlog-buffer))
- (buffer-disable-undo (current-buffer))
- (setq buffer-read-only t)
- (gnus-add-current-to-buffer-list)
- (get-buffer gnus-backlog-buffer))))
-
-(defun gnus-backlog-setup ()
- "Initialize backlog variables."
- (unless gnus-backlog-hashtb
- (setq gnus-backlog-hashtb (make-vector 1023 0))))
+ (gnus-no-server arg t))
-(defun gnus-backlog-shutdown ()
- "Clear all backlog variables and buffers."
- (when (get-buffer gnus-backlog-buffer)
- (kill-buffer gnus-backlog-buffer))
- (setq gnus-backlog-hashtb nil
- gnus-backlog-articles nil))
+;;;###autoload
+(defun gnus-no-server (&optional arg slave)
+ "Read network news.
+If ARG is a positive number, Gnus will use that as the
+startup level. If ARG is nil, Gnus will be started at level 2.
+If ARG is non-nil and not a positive number, Gnus will
+prompt the user for the name of an NNTP server to use.
+As opposed to `gnus', this command will not connect to the local server."
+ (interactive "P")
+ (gnus-no-server-1 arg slave))
-(defun gnus-backlog-enter-article (group number buffer)
- (gnus-backlog-setup)
- (let ((ident (intern (concat group ":" (int-to-string number))
- gnus-backlog-hashtb))
- b)
- (if (memq ident gnus-backlog-articles)
- () ; It's already kept.
- ;; Remove the oldest article, if necessary.
- (and (numberp gnus-keep-backlog)
- (>= (length gnus-backlog-articles) gnus-keep-backlog)
- (gnus-backlog-remove-oldest-article))
- (setq gnus-backlog-articles (cons ident gnus-backlog-articles))
- ;; Insert the new article.
- (save-excursion
- (set-buffer (gnus-backlog-buffer))
- (let (buffer-read-only)
- (goto-char (point-max))
- (or (bolp) (insert "\n"))
- (setq b (point))
- (insert-buffer-substring buffer)
- ;; Tag the beginning of the article with the ident.
- (put-text-property b (1+ b) 'gnus-backlog ident))))))
+;;;###autoload
+(defun gnus-slave (&optional arg)
+ "Read news as a slave."
+ (interactive "P")
+ (gnus arg nil 'slave))
-(defun gnus-backlog-remove-oldest-article ()
- (save-excursion
- (set-buffer (gnus-backlog-buffer))
- (goto-char (point-min))
- (if (zerop (buffer-size))
- () ; The buffer is empty.
- (let ((ident (get-text-property (point) 'gnus-backlog))
- buffer-read-only)
- ;; Remove the ident from the list of articles.
- (when ident
- (setq gnus-backlog-articles (delq ident gnus-backlog-articles)))
- ;; Delete the article itself.
- (delete-region
- (point) (next-single-property-change
- (1+ (point)) 'gnus-backlog nil (point-max)))))))
+;;;###autoload
+(defun gnus-other-frame (&optional arg)
+ "Pop up a frame to read news."
+ (interactive "P")
+ (if (get-buffer gnus-group-buffer)
+ (let ((pop-up-frames t))
+ (gnus arg))
+ (select-frame (make-frame))
+ (gnus arg)))
-(defun gnus-backlog-request-article (group number buffer)
- (gnus-backlog-setup)
- (let ((ident (intern (concat group ":" (int-to-string number))
- gnus-backlog-hashtb))
- beg end)
- (when (memq ident gnus-backlog-articles)
- ;; It was in the backlog.
- (save-excursion
- (set-buffer (gnus-backlog-buffer))
- (if (not (setq beg (text-property-any
- (point-min) (point-max) 'gnus-backlog
- ident)))
- ;; It wasn't in the backlog after all.
- (ignore
- (setq gnus-backlog-articles (delq ident gnus-backlog-articles)))
- ;; Find the end (i. e., the beginning of the next article).
- (setq end
- (next-single-property-change
- (1+ beg) 'gnus-backlog (current-buffer) (point-max)))))
- (let ((buffer-read-only nil))
- (erase-buffer)
- (insert-buffer-substring gnus-backlog-buffer beg end)
- t))))
+(defun gnus (&optional arg dont-connect slave)
+ "Read network news.
+If ARG is non-nil and a positive number, Gnus will use that as the
+startup level. If ARG is non-nil and not a positive number, Gnus will
+prompt the user for the name of an NNTP server to use."
+ (interactive "P")
+ (gnus-1 arg dont-connect slave))
;; Allow redefinition of Gnus functions.
projects / gnus / blobdiff