;;; gnus-srvr.el --- virtual server support for Gnus
-;; Copyright (C) 1995 Free Software Foundation, Inc.
+;; Copyright (C) 1995,96,97 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
;; Keywords: news
;; 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:
;;; Code:
(require 'gnus)
-(eval-when-compile (require 'cl))
+(require 'gnus-spec)
+(require 'gnus-group)
+(require 'gnus-int)
+(require 'gnus-range)
(defvar gnus-server-mode-hook nil
"Hook run in `gnus-server-mode' buffers.")
(defvar gnus-server-mode-line-format "Gnus List of servers"
"The format specification for the server mode line.")
+(defvar gnus-server-exit-hook nil
+ "*Hook run when exiting the server buffer.")
+
;;; Internal variables.
-(defconst gnus-server-line-format-alist
- (` ((?h how ?s)
- (?n name ?s)
- (?w where ?s)
- (?s status ?s))))
+(defvar gnus-inserted-opened-servers nil)
+
+(defvar gnus-server-line-format-alist
+ `((?h how ?s)
+ (?n name ?s)
+ (?w where ?s)
+ (?s status ?s)))
-(defconst gnus-server-mode-line-format-alist
- (` ((?S news-server ?s)
- (?M news-method ?s)
- (?u user-defined ?s))))
+(defvar gnus-server-mode-line-format-alist
+ `((?S news-server ?s)
+ (?M news-method ?s)
+ (?u user-defined ?s)))
(defvar gnus-server-line-format-spec nil)
(defvar gnus-server-mode-line-format-spec nil)
(defvar gnus-server-killed-servers nil)
+(defvar gnus-server-mode-map)
+
+(defvar gnus-server-menu-hook nil
+ "*Hook run after the creation of the server mode menu.")
+
+(defun gnus-server-make-menu-bar ()
+ (gnus-turn-off-edit-menu 'server)
+ (unless (boundp 'gnus-server-server-menu)
+ (easy-menu-define
+ gnus-server-server-menu gnus-server-mode-map ""
+ '("Server"
+ ["Add" gnus-server-add-server t]
+ ["Browse" gnus-server-read-server t]
+ ["Scan" gnus-server-scan-server t]
+ ["List" gnus-server-list-servers t]
+ ["Kill" gnus-server-kill-server t]
+ ["Yank" gnus-server-yank-server t]
+ ["Copy" gnus-server-copy-server t]
+ ["Edit" gnus-server-edit-server t]
+ ["Regenerate" gnus-server-regenerate-server t]
+ ["Exit" gnus-server-exit t]))
+
+ (easy-menu-define
+ gnus-server-connections-menu gnus-server-mode-map ""
+ '("Connections"
+ ["Open" gnus-server-open-server t]
+ ["Close" gnus-server-close-server t]
+ ["Deny" gnus-server-deny-server t]
+ "---"
+ ["Open All" gnus-server-open-all-servers t]
+ ["Close All" gnus-server-close-all-servers t]
+ ["Reset All" gnus-server-remove-denials t]))
+
+ (run-hooks 'gnus-server-menu-hook)))
+
(defvar gnus-server-mode-map nil)
(put 'gnus-server-mode 'mode-class 'special)
-(if gnus-server-mode-map
- nil
+(unless gnus-server-mode-map
(setq gnus-server-mode-map (make-sparse-keymap))
(suppress-keymap gnus-server-mode-map)
- (define-key gnus-server-mode-map " " 'gnus-server-read-server)
- (define-key gnus-server-mode-map "\r" 'gnus-server-read-server)
- (define-key gnus-server-mode-map gnus-mouse-2 'gnus-server-pick-server)
- (define-key gnus-server-mode-map "q" 'gnus-server-exit)
- (define-key gnus-server-mode-map "l" 'gnus-server-list-servers)
- (define-key gnus-server-mode-map "k" 'gnus-server-kill-server)
- (define-key gnus-server-mode-map "y" 'gnus-server-yank-server)
- (define-key gnus-server-mode-map "c" 'gnus-server-copy-server)
- (define-key gnus-server-mode-map "a" 'gnus-server-add-server)
- (define-key gnus-server-mode-map "e" 'gnus-server-edit-server)
-
- (define-key gnus-server-mode-map "O" 'gnus-server-open-server)
- (define-key gnus-server-mode-map "C" 'gnus-server-close-server)
- (define-key gnus-server-mode-map "D" 'gnus-server-deny-server)
- (define-key gnus-server-mode-map "R" 'gnus-server-remove-denials)
- )
+
+ (gnus-define-keys
+ gnus-server-mode-map
+ " " gnus-server-read-server
+ "\r" gnus-server-read-server
+ gnus-mouse-2 gnus-server-pick-server
+ "q" gnus-server-exit
+ "l" gnus-server-list-servers
+ "k" gnus-server-kill-server
+ "y" gnus-server-yank-server
+ "c" gnus-server-copy-server
+ "a" gnus-server-add-server
+ "e" gnus-server-edit-server
+ "s" gnus-server-scan-server
+
+ "O" gnus-server-open-server
+ "\M-o" gnus-server-open-all-servers
+ "C" gnus-server-close-server
+ "\M-c" gnus-server-close-all-servers
+ "D" gnus-server-deny-server
+ "R" gnus-server-remove-denials
+
+ "g" gnus-server-regenerate-server
+
+ "\C-c\C-i" gnus-info-find-node
+ "\C-c\C-b" gnus-bug))
(defun gnus-server-mode ()
"Major mode for listing and editing servers.
All normal editing commands are switched off.
\\<gnus-server-mode-map>
-
-For more in-depth information on this mode, read the manual (`\\[gnus-info-find-node]').
+For more in-depth information on this mode, read the manual
+(`\\[gnus-info-find-node]').
The following commands are available:
\\{gnus-server-mode-map}"
(interactive)
- (when (and menu-bar-mode
- (gnus-visual-p 'server-menu 'menu))
+ (when (gnus-visual-p 'server-menu 'menu)
(gnus-server-make-menu-bar))
(kill-all-local-variables)
- (setq mode-line-modified "-- ")
- (make-local-variable 'mode-line-format)
- (setq mode-line-format (copy-sequence mode-line-format))
- (and (equal (nth 3 mode-line-format) " ")
- (setcar (nthcdr 3 mode-line-format) ""))
+ (gnus-simplify-mode-line)
(setq major-mode 'gnus-server-mode)
(setq mode-name "Server")
- ; (gnus-group-set-mode-line)
+ (gnus-set-default-directory)
(setq mode-line-process nil)
(use-local-map gnus-server-mode-map)
(buffer-disable-undo (current-buffer))
(setq buffer-read-only t)
(run-hooks 'gnus-server-mode-hook))
-(defun gnus-server-insert-server-line (sformat name method)
- (let* ((sformat (or sformat gnus-server-line-format-spec))
- (how (car method))
+(defun gnus-server-insert-server-line (name method)
+ (let* ((how (car method))
(where (nth 1 method))
(elem (assoc method gnus-opened-servers))
(status (cond ((eq (nth 1 elem) 'denied)
"(denied)")
((or (gnus-server-opened method)
(eq (nth 1 elem) 'ok))
- "(open)")
+ "(opened)")
(t
- "(closed)")))
- b)
+ "(closed)"))))
(beginning-of-line)
- (setq b (point))
- ;; Insert the text.
- (eval sformat)
- (add-text-properties b (1+ b) (list 'gnus-server (intern name)))))
+ (gnus-add-text-properties
+ (point)
+ (prog1 (1+ (point))
+ ;; Insert the text.
+ (eval gnus-server-line-format-spec))
+ (list 'gnus-server (intern name)))))
(defun gnus-enter-server-buffer ()
"Set up the server buffer."
(save-excursion
(set-buffer (get-buffer-create gnus-server-buffer))
(gnus-server-mode)
- (when gnus-carpal
+ (when gnus-carpal
(gnus-carpal-setup-buffer 'server)))))
(defun gnus-server-prepare ()
- (setq gnus-server-mode-line-format-spec
- (gnus-parse-format gnus-server-mode-line-format
+ (setq gnus-server-mode-line-format-spec
+ (gnus-parse-format gnus-server-mode-line-format
gnus-server-mode-line-format-alist))
- (setq gnus-server-line-format-spec
- (gnus-parse-format gnus-server-line-format
+ (setq gnus-server-line-format-spec
+ (gnus-parse-format gnus-server-line-format
gnus-server-line-format-alist t))
(let ((alist gnus-server-alist)
(buffer-read-only nil)
(opened gnus-opened-servers)
- done server)
+ done server op-ser)
(erase-buffer)
+ (setq gnus-inserted-opened-servers nil)
;; First we do the real list of servers.
(while alist
- (push (cdr (setq server (pop alist))) done)
- (gnus-server-insert-server-line nil (car server) (cdr server)))
+ (unless (member (cdar alist) done)
+ (push (cdar alist) done)
+ (cdr (setq server (pop alist)))
+ (when (and server (car server) (cdr server))
+ (gnus-server-insert-server-line (car server) (cdr server)))))
;; Then we insert the list of servers that have been opened in
;; this session.
- (while opened
- (unless (member (car (car opened)) done)
- (gnus-server-insert-server-line
- nil (format "%s:%s" (car (car (car opened)))
- (nth 1 (car (car opened))))
- (car (car opened))))
+ (while opened
+ (unless (member (caar opened) done)
+ (push (caar opened) done)
+ (gnus-server-insert-server-line
+ (setq op-ser (format "%s:%s" (caaar opened) (nth 1 (caar opened))))
+ (caar opened))
+ (push (list op-ser (caar opened)) gnus-inserted-opened-servers))
(setq opened (cdr opened))))
(goto-char (point-min))
(gnus-server-position-point))
(defun gnus-server-update-server (server)
(save-excursion
(set-buffer gnus-server-buffer)
- (let ((buffer-read-only nil)
- (info (cdr (assoc server gnus-server-alist))))
- (gnus-dribble-enter
- (concat "(gnus-server-set-info \"" server "\" '"
- (prin1-to-string info) ")"))
- ;; Buffer may be narrowed.
- (save-restriction
- (widen)
- (if (gnus-server-goto-server server)
- (delete-region (progn (beginning-of-line) (point))
- (progn (forward-line 1) (point))))
- (let ((entry (assoc server gnus-server-alist)))
- (gnus-server-insert-server-line nil (car entry) (cdr entry))
+ (let* ((buffer-read-only nil)
+ (entry (assoc server gnus-server-alist))
+ (oentry (assoc (gnus-server-to-method server)
+ gnus-opened-servers)))
+ (when entry
+ (gnus-dribble-enter
+ (concat "(gnus-server-set-info \"" server "\" '"
+ (prin1-to-string (cdr entry)) ")\n")))
+ (when (or entry oentry)
+ ;; Buffer may be narrowed.
+ (save-restriction
+ (widen)
+ (when (gnus-server-goto-server server)
+ (gnus-delete-line))
+ (if entry
+ (gnus-server-insert-server-line (car entry) (cdr entry))
+ (gnus-server-insert-server-line
+ (format "%s:%s" (caar oentry) (nth 1 (car oentry)))
+ (car oentry)))
(gnus-server-position-point))))))
(defun gnus-server-set-info (server info)
;; Enter a select method into the virtual server alist.
- (gnus-dribble-enter
- (concat "(gnus-server-set-info \"" server "\" '"
- (prin1-to-string info) ")"))
- (let* ((server (nth 1 info))
- (entry (assoc server gnus-server-alist)))
- (if entry (setcdr entry info)
- (setq gnus-server-alist
- (nconc gnus-server-alist (list (cons server info)))))))
+ (when (and server info)
+ (gnus-dribble-enter
+ (concat "(gnus-server-set-info \"" server "\" '"
+ (prin1-to-string info) ")"))
+ (let* ((server (nth 1 info))
+ (entry (assoc server gnus-server-alist)))
+ (if entry (setcdr entry info)
+ (setq gnus-server-alist
+ (nconc gnus-server-alist (list (cons server info))))))))
;;; Interactive server functions.
(defun gnus-server-kill-server (server)
"Kill the server on the current line."
(interactive (list (gnus-server-server-name)))
- (or (gnus-server-goto-server server)
- (if server (error "No such server: %s" server)
- (error "No server on the current line")))
+ (unless (gnus-server-goto-server server)
+ (if server (error "No such server: %s" server)
+ (error "No server on the current line")))
+ (unless (assoc server gnus-server-alist)
+ (error "Read-only server %s" server))
(gnus-dribble-enter "")
(let ((buffer-read-only nil))
- (delete-region (progn (beginning-of-line) (point))
- (progn (forward-line 1) (point))))
- (setq gnus-server-killed-servers
- (cons (assoc server gnus-server-alist) gnus-server-killed-servers))
+ (gnus-delete-line))
+ (push (assoc server gnus-server-alist) gnus-server-killed-servers)
(setq gnus-server-alist (delq (car gnus-server-killed-servers)
gnus-server-alist))
(gnus-server-position-point))
(defun gnus-server-yank-server ()
"Yank the previously killed server."
(interactive)
- (or gnus-server-killed-servers
- (error "No killed servers to be yanked"))
+ (unless gnus-server-killed-servers
+ (error "No killed servers to be yanked"))
(let ((alist gnus-server-alist)
(server (gnus-server-server-name))
(killed (car gnus-server-killed-servers)))
- (if (not server)
+ (if (not server)
(setq gnus-server-alist (nconc gnus-server-alist (list killed)))
- (if (string= server (car (car gnus-server-alist)))
- (setq gnus-server-alist (cons killed gnus-server-alist))
+ (if (string= server (caar gnus-server-alist))
+ (push killed gnus-server-alist)
(while (and (cdr alist)
- (not (string= server (car (car (cdr alist))))))
+ (not (string= server (caadr alist))))
(setq alist (cdr alist)))
- (setcdr alist (cons killed (cdr alist)))
(if alist
(setcdr alist (cons killed (cdr alist)))
(setq gnus-server-alist (list killed)))))
"Return to the group buffer."
(interactive)
(kill-buffer (current-buffer))
- (switch-to-buffer gnus-group-buffer))
+ (switch-to-buffer gnus-group-buffer)
+ (run-hooks 'gnus-server-exit-hook))
(defun gnus-server-list-servers ()
"List all available servers."
(forward-line -1))
(gnus-server-position-point)))
+(defun gnus-server-set-status (method status)
+ "Make METHOD have STATUS."
+ (let ((entry (assoc method gnus-opened-servers)))
+ (if entry
+ (setcar (cdr entry) status)
+ (push (list method status) gnus-opened-servers))))
+
(defun gnus-opened-servers-remove (method)
"Remove METHOD from the list of opened servers."
(setq gnus-opened-servers (delq (assoc method gnus-opened-servers)
"Force an open of SERVER."
(interactive (list (gnus-server-server-name)))
(let ((method (gnus-server-to-method server)))
- (or method (error "No such server: %s" server))
- (gnus-opened-servers-remove method)
+ (unless method
+ (error "No such server: %s" server))
+ (gnus-server-set-status method 'ok)
(prog1
(or (gnus-open-server method)
(progn (message "Couldn't open %s" server) nil))
(gnus-server-update-server server)
(gnus-server-position-point))))
+(defun gnus-server-open-all-servers ()
+ "Open all servers."
+ (interactive)
+ (let ((servers gnus-inserted-opened-servers))
+ (while servers
+ (gnus-server-open-server (car (pop servers))))))
+
(defun gnus-server-close-server (server)
"Close SERVER."
(interactive (list (gnus-server-server-name)))
(let ((method (gnus-server-to-method server)))
- (or method (error "No such server: %s" server))
- (gnus-opened-servers-remove method)
+ (unless method
+ (error "No such server: %s" server))
+ (gnus-server-set-status method 'closed)
(prog1
(gnus-close-server method)
(gnus-server-update-server server)
(gnus-server-position-point))))
+(defun gnus-server-close-all-servers ()
+ "Close all servers."
+ (interactive)
+ (let ((servers gnus-inserted-opened-servers))
+ (while servers
+ (gnus-server-close-server (car (pop servers))))))
+
(defun gnus-server-deny-server (server)
"Make sure SERVER will never be attempted opened."
(interactive (list (gnus-server-server-name)))
(let ((method (gnus-server-to-method server)))
- (or method (error "No such server: %s" server))
- (gnus-opened-servers-remove method)
- (setq gnus-opened-servers
- (cons (list method 'denied) gnus-opened-servers)))
+ (unless method
+ (error "No such server: %s" server))
+ (gnus-server-set-status method 'denied))
(gnus-server-update-server server)
- (gnus-server-position-point))
+ (gnus-server-position-point)
+ t)
(defun gnus-server-remove-denials ()
"Make all denied servers into closed servers."
(or (gnus-server-server-name)
(error "No server on the current line"))
(read-string "Copy to: ")))
- (or from (error "No server on current line"))
- (or (and to (not (string= to ""))) (error "No name to copy to"))
- (and (assoc to gnus-server-alist) (error "%s already exists" to))
- (or (assoc from gnus-server-alist)
- (error "%s: no such server" from))
- (let ((to-entry (gnus-copy-sequence (assoc from gnus-server-alist))))
+ (unless from
+ (error "No server on current line"))
+ (unless (and to (not (string= to "")))
+ (error "No name to copy to"))
+ (when (assoc to gnus-server-alist)
+ (error "%s already exists" to))
+ (unless (gnus-server-to-method from)
+ (error "%s: no such server" from))
+ (let ((to-entry (cons from (gnus-copy-sequence
+ (gnus-server-to-method from)))))
(setcar to-entry to)
(setcar (nthcdr 2 to-entry) to)
- (setq gnus-server-killed-servers
- (cons to-entry gnus-server-killed-servers))
+ (push to-entry gnus-server-killed-servers)
(gnus-server-yank-server)))
(defun gnus-server-add-server (how where)
- (interactive
+ (interactive
(list (intern (completing-read "Server method: "
gnus-valid-select-methods nil t))
(read-string "Server name: ")))
- (setq gnus-server-killed-servers
- (cons (list where how where) gnus-server-killed-servers))
+ (when (assq where gnus-server-alist)
+ (error "Server with that name already defined"))
+ (push (list where how where) gnus-server-killed-servers)
(gnus-server-yank-server))
(defun gnus-server-goto-server (server)
"Jump to a server line."
(interactive
(list (completing-read "Goto server: " gnus-server-alist nil t)))
- (let ((to (text-property-any (point-min) (point-max)
+ (let ((to (text-property-any (point-min) (point-max)
'gnus-server (intern server))))
- (and to
- (progn
- (goto-char to)
- (gnus-server-position-point)))))
+ (when to
+ (goto-char to)
+ (gnus-server-position-point))))
(defun gnus-server-edit-server (server)
"Edit the server on the current line."
(interactive (list (gnus-server-server-name)))
- (or server
- (error "No server on current line"))
- (let ((winconf (current-window-configuration)))
- (get-buffer-create gnus-server-edit-buffer)
- (gnus-configure-windows 'edit-server)
- (gnus-add-current-to-buffer-list)
- (emacs-lisp-mode)
- (make-local-variable 'gnus-prev-winconf)
- (setq gnus-prev-winconf winconf)
- (use-local-map (copy-keymap (current-local-map)))
- (let ((done-func '(lambda ()
- "Exit editing mode and update the information."
- (interactive)
- (gnus-server-edit-server-done 'group))))
- (setcar (cdr (nth 4 done-func)) server)
- (local-set-key "\C-c\C-c" done-func))
- (erase-buffer)
- (insert ";; Type `C-c C-c' after you have edited the server.\n\n")
- (insert (pp-to-string (cdr (assoc server gnus-server-alist))))))
+ (unless server
+ (error "No server on current line"))
+ (unless (assoc server gnus-server-alist)
+ (error "This server can't be edited"))
+ (let ((info (cdr (assoc server gnus-server-alist))))
+ (gnus-close-server info)
+ (gnus-edit-form
+ info "Editing the server."
+ `(lambda (form)
+ (gnus-server-set-info ,server form)
+ (gnus-server-list-servers)
+ (gnus-server-position-point)))))
-(defun gnus-server-edit-server-done (server)
- (interactive)
- (set-buffer (get-buffer-create gnus-server-edit-buffer))
- (goto-char (point-min))
- (let ((form (read (current-buffer)))
- (winconf gnus-prev-winconf))
- (gnus-server-set-info server form)
- (kill-buffer (current-buffer))
- (and winconf (set-window-configuration winconf))
- (set-buffer gnus-server-buffer)
- (gnus-server-update-server (gnus-server-server-name))
- (gnus-server-list-servers)
- (gnus-server-position-point)))
+(defun gnus-server-scan-server (server)
+ "Request a scan from the current server."
+ (interactive (list (gnus-server-server-name)))
+ (gnus-message 3 "Scanning %s...done" server)
+ (gnus-request-scan nil (gnus-server-to-method server))
+ (gnus-message 3 "Scanning %s...done" server))
(defun gnus-server-read-server (server)
"Browse a server."
(set-buffer buf)
(gnus-server-update-server (gnus-server-server-name))
(gnus-server-position-point)))))
-
+
(defun gnus-server-pick-server (e)
(interactive "e")
(mouse-set-point e)
(gnus-server-read-server (gnus-server-server-name)))
+\f
+;;;
+;;; Browse Server Mode
+;;;
+
+(defvar gnus-browse-menu-hook nil
+ "*Hook run after the creation of the browse mode menu.")
+
+(defvar gnus-browse-mode-hook nil)
+(defvar gnus-browse-mode-map nil)
+(put 'gnus-browse-mode 'mode-class 'special)
+
+(unless gnus-browse-mode-map
+ (setq gnus-browse-mode-map (make-keymap))
+ (suppress-keymap gnus-browse-mode-map)
+
+ (gnus-define-keys
+ gnus-browse-mode-map
+ " " gnus-browse-read-group
+ "=" gnus-browse-select-group
+ "n" gnus-browse-next-group
+ "p" gnus-browse-prev-group
+ "\177" gnus-browse-prev-group
+ "N" gnus-browse-next-group
+ "P" gnus-browse-prev-group
+ "\M-n" gnus-browse-next-group
+ "\M-p" gnus-browse-prev-group
+ "\r" gnus-browse-select-group
+ "u" gnus-browse-unsubscribe-current-group
+ "l" gnus-browse-exit
+ "L" gnus-browse-exit
+ "q" gnus-browse-exit
+ "Q" gnus-browse-exit
+ "\C-c\C-c" gnus-browse-exit
+ "?" gnus-browse-describe-briefly
+
+ "\C-c\C-i" gnus-info-find-node
+ "\C-c\C-b" gnus-bug))
+
+(defun gnus-browse-make-menu-bar ()
+ (gnus-turn-off-edit-menu 'browse)
+ (unless (boundp 'gnus-browse-menu)
+ (easy-menu-define
+ gnus-browse-menu gnus-browse-mode-map ""
+ '("Browse"
+ ["Subscribe" gnus-browse-unsubscribe-current-group t]
+ ["Read" gnus-browse-read-group t]
+ ["Select" gnus-browse-read-group t]
+ ["Next" gnus-browse-next-group t]
+ ["Prev" gnus-browse-next-group t]
+ ["Exit" gnus-browse-exit t]
+ ))
+ (run-hooks 'gnus-browse-menu-hook)))
+
+(defvar gnus-browse-current-method nil)
+(defvar gnus-browse-return-buffer nil)
+
+(defvar gnus-browse-buffer "*Gnus Browse Server*")
+
+(defun gnus-browse-foreign-server (method &optional return-buffer)
+ "Browse the server METHOD."
+ (setq gnus-browse-current-method method)
+ (setq gnus-browse-return-buffer return-buffer)
+ (let ((gnus-select-method method)
+ groups group)
+ (gnus-message 5 "Connecting to %s..." (nth 1 method))
+ (cond
+ ((not (gnus-check-server method))
+ (gnus-message
+ 1 "Unable to contact server: %s" (gnus-status-message method))
+ nil)
+ ((not
+ (prog2
+ (gnus-message 6 "Reading active file...")
+ (gnus-request-list method)
+ (gnus-message 6 "Reading active file...done")))
+ (gnus-message
+ 1 "Couldn't request list: %s" (gnus-status-message method))
+ nil)
+ (t
+ (get-buffer-create gnus-browse-buffer)
+ (gnus-add-current-to-buffer-list)
+ (when gnus-carpal
+ (gnus-carpal-setup-buffer 'browse))
+ (gnus-configure-windows 'browse)
+ (buffer-disable-undo (current-buffer))
+ (let ((buffer-read-only nil))
+ (erase-buffer))
+ (gnus-browse-mode)
+ (setq mode-line-buffer-identification
+ (list
+ (format
+ "Gnus: %%b {%s:%s}" (car method) (cadr method))))
+ (save-excursion
+ (set-buffer nntp-server-buffer)
+ (let ((cur (current-buffer)))
+ (goto-char (point-min))
+ (unless (string= gnus-ignored-newsgroups "")
+ (delete-matching-lines gnus-ignored-newsgroups))
+ (while (re-search-forward
+ "\\(^[^ \t]+\\)[ \t]+[0-9]+[ \t]+[0-9]+" nil t)
+ (goto-char (match-end 1))
+ (push (cons (match-string 1)
+ (max 0 (- (1+ (read cur)) (read cur))))
+ groups))))
+ (setq groups (sort groups
+ (lambda (l1 l2)
+ (string< (car l1) (car l2)))))
+ (let ((buffer-read-only nil))
+ (while groups
+ (setq group (car groups))
+ (insert
+ (format "K%7d: %s\n" (cdr group) (car group)))
+ (setq groups (cdr groups))))
+ (switch-to-buffer (current-buffer))
+ (goto-char (point-min))
+ (gnus-group-position-point)
+ (gnus-message 5 "Connecting to %s...done" (nth 1 method))
+ t))))
+
+(defun gnus-browse-mode ()
+ "Major mode for browsing a foreign server.
+
+All normal editing commands are switched off.
+
+\\<gnus-browse-mode-map>
+The only things you can do in this buffer is
+
+1) `\\[gnus-browse-unsubscribe-current-group]' to subscribe to a group.
+The group will be inserted into the group buffer upon exit from this
+buffer.
+
+2) `\\[gnus-browse-read-group]' to read a group ephemerally.
+
+3) `\\[gnus-browse-exit]' to return to the group buffer."
+ (interactive)
+ (kill-all-local-variables)
+ (when (gnus-visual-p 'browse-menu 'menu)
+ (gnus-browse-make-menu-bar))
+ (gnus-simplify-mode-line)
+ (setq major-mode 'gnus-browse-mode)
+ (setq mode-name "Browse Server")
+ (setq mode-line-process nil)
+ (use-local-map gnus-browse-mode-map)
+ (buffer-disable-undo (current-buffer))
+ (setq truncate-lines t)
+ (gnus-set-default-directory)
+ (setq buffer-read-only t)
+ (run-hooks 'gnus-browse-mode-hook))
+
+(defun gnus-browse-read-group (&optional no-article)
+ "Enter the group at the current line."
+ (interactive)
+ (let ((group (gnus-group-real-name (gnus-browse-group-name))))
+ (unless (gnus-group-read-ephemeral-group
+ group gnus-browse-current-method nil
+ (cons (current-buffer) 'browse))
+ (error "Couldn't enter %s" group))))
+
+(defun gnus-browse-select-group ()
+ "Select the current group."
+ (interactive)
+ (gnus-browse-read-group 'no))
+
+(defun gnus-browse-next-group (n)
+ "Go to the next group."
+ (interactive "p")
+ (prog1
+ (forward-line n)
+ (gnus-group-position-point)))
+
+(defun gnus-browse-prev-group (n)
+ "Go to the next group."
+ (interactive "p")
+ (gnus-browse-next-group (- n)))
+
+(defun gnus-browse-unsubscribe-current-group (arg)
+ "(Un)subscribe to the next ARG groups."
+ (interactive "p")
+ (when (eobp)
+ (error "No group at current line."))
+ (let ((ward (if (< arg 0) -1 1))
+ (arg (abs arg)))
+ (while (and (> arg 0)
+ (not (eobp))
+ (gnus-browse-unsubscribe-group)
+ (zerop (gnus-browse-next-group ward)))
+ (decf arg))
+ (gnus-group-position-point)
+ (when (/= 0 arg)
+ (gnus-message 7 "No more newsgroups"))
+ arg))
+
+(defun gnus-browse-group-name ()
+ (save-excursion
+ (beginning-of-line)
+ (when (re-search-forward ": \\(.*\\)$" (gnus-point-at-eol) t)
+ (gnus-group-prefixed-name (match-string 1) gnus-browse-current-method))))
+
+(defun gnus-browse-unsubscribe-group ()
+ "Toggle subscription of the current group in the browse buffer."
+ (let ((sub nil)
+ (buffer-read-only nil)
+ group)
+ (save-excursion
+ (beginning-of-line)
+ ;; If this group it killed, then we want to subscribe it.
+ (when (= (following-char) ?K)
+ (setq sub t))
+ (setq group (gnus-browse-group-name))
+ ;; Make sure the group has been properly removed before we
+ ;; subscribe to it.
+ (gnus-kill-ephemeral-group group)
+ (delete-char 1)
+ (if sub
+ (progn
+ (gnus-group-change-level
+ (list t group gnus-level-default-subscribed
+ nil nil gnus-browse-current-method)
+ gnus-level-default-subscribed gnus-level-killed
+ (and (car (nth 1 gnus-newsrc-alist))
+ (gnus-gethash (car (nth 1 gnus-newsrc-alist))
+ gnus-newsrc-hashtb))
+ t)
+ (insert ? ))
+ (gnus-group-change-level
+ group gnus-level-killed gnus-level-default-subscribed)
+ (insert ?K)))
+ t))
+
+(defun gnus-browse-exit ()
+ "Quit browsing and return to the group buffer."
+ (interactive)
+ (when (eq major-mode 'gnus-browse-mode)
+ (kill-buffer (current-buffer)))
+ ;; Insert the newly subscribed groups in the group buffer.
+ (save-excursion
+ (set-buffer gnus-group-buffer)
+ (gnus-group-list-groups nil))
+ (if gnus-browse-return-buffer
+ (gnus-configure-windows 'server 'force)
+ (gnus-configure-windows 'group 'force)))
+
+(defun gnus-browse-describe-briefly ()
+ "Give a one line description of the group mode commands."
+ (interactive)
+ (gnus-message 6
+ (substitute-command-keys "\\<gnus-browse-mode-map>\\[gnus-group-next-group]:Forward \\[gnus-group-prev-group]:Backward \\[gnus-browse-exit]:Exit \\[gnus-info-find-node]:Run Info \\[gnus-browse-describe-briefly]:This help")))
+
+(defun gnus-server-regenerate-server ()
+ "Issue a command to the server to regenerate all its data structures."
+ (interactive)
+ (let ((server (gnus-server-server-name)))
+ (unless server
+ (error "No server on the current line"))
+ (if (not (gnus-check-backend-function
+ 'request-regenerate (car (gnus-server-to-method server))))
+ (error "This backend doesn't support regeneration")
+ (gnus-message 5 "Requesting regeneration of %s..." server)
+ (if (gnus-request-regenerate server)
+ (gnus-message 5 "Requesting regeneration of %s...done" server)
+ (gnus-message 5 "Couldn't regenerate %s" server)))))
+
+(provide 'gnus-srvr)
+
;;; gnus-srvr.el ends here.
projects / gnus / blobdiff