;;; gnus-art.el --- article mode commands for Gnus
-;; Copyright (C) 1996 Free Software Foundation, Inc.
+;; Copyright (C) 1996,97 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
;; Keywords: news
;;; Code:
+(require 'custom)
(require 'gnus)
(require 'gnus-sum)
-(require 'article)
(require 'gnus-spec)
(require 'gnus-int)
(require 'browse-url)
-(defcustom gnus-article-save-directory gnus-directory
- "*Name of the directory articles will be saved in (default \"~/News\")."
- :group 'article
- :type 'directory)
+(defgroup gnus-article nil
+ "Article display."
+ :link '(custom-manual "(gnus)The Article Buffer")
+ :group 'gnus)
+
+(defgroup gnus-article-hiding nil
+ "Hiding article parts."
+ :link '(custom-manual "(gnus)Article Hiding")
+ :group 'gnus-article)
+
+(defgroup gnus-article-highlight nil
+ "Article highlighting."
+ :link '(custom-manual "(gnus)Article Highlighting")
+ :group 'gnus-article
+ :group 'gnus-visual)
+
+(defgroup gnus-article-signature nil
+ "Article signatures."
+ :link '(custom-manual "(gnus)Article Signature")
+ :group 'gnus-article)
+
+(defgroup gnus-article-headers nil
+ "Article headers."
+ :link '(custom-manual "(gnus)Hiding Headers")
+ :group 'gnus-article)
+
+(defgroup gnus-article-washing nil
+ "Special commands on articles."
+ :link '(custom-manual "(gnus)Article Washing")
+ :group 'gnus-article)
+
+(defgroup gnus-article-emphasis nil
+ "Fontisizing articles."
+ :link '(custom-manual "(gnus)Article Fontisizing")
+ :group 'gnus-article)
+
+(defgroup gnus-article-saving nil
+ "Saving articles."
+ :link '(custom-manual "(gnus)Saving Articles")
+ :group 'gnus-article)
+
+(defgroup gnus-article-mime nil
+ "Worshiping the MIME wonder."
+ :link '(custom-manual "(gnus)Using MIME")
+ :group 'gnus-article)
+
+(defgroup gnus-article-buttons nil
+ "Pushable buttons in the article buffer."
+ :link '(custom-manual "(gnus)Article Buttons")
+ :group 'gnus-article)
+
+(defgroup gnus-article-various nil
+ "Other article options."
+ :link '(custom-manual "(gnus)Misc Article")
+ :group 'gnus-article)
+
+(defcustom 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."
+ :type '(choice :custom-show nil
+ regexp
+ (repeat regexp))
+ :group 'gnus-article-hiding)
+
+(defcustom 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-From"
+ "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."
+ :type '(repeat :value-to-internal (lambda (widget value)
+ (custom-split-regexp-maybe value))
+ :match (lambda (widget value)
+ (or (stringp value)
+ (widget-editable-list-match widget value)))
+ regexp)
+ :group 'gnus-article-hiding)
+
+(defcustom 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."
+ :type '(repeat regexp)
+ :group 'gnus-article-hiding)
+
+(defcustom 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'."
+ :type '(set (const :tag "Headers with no content." empty)
+ (const :tag "Newsgroups with only one group." newsgroups)
+ (const :tag "Followup-to identical to newsgroups." followup-to)
+ (const :tag "Reply-to identical to from." reply-to)
+ (const :tag "Date less than four days old." date))
+ :group 'gnus-article-hiding)
+
+(defcustom gnus-signature-separator '("^-- $" "^-- *$")
+ "Regexp matching signature separator.
+This can also be a list of regexps. In that case, it will be checked
+from head to tail looking for a separator. Searches will be done from
+the end of the buffer."
+ :type '(repeat string)
+ :group 'gnus-article-signature)
+
+(defcustom 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 floating point number, no signature may be
+longer (in lines) 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."
+ :type '(choice integer number function regexp)
+ :group 'gnus-article-signature)
+
+(defcustom gnus-hidden-properties '(invisible t intangible t)
+ "Property list to use for hiding text."
+ :type 'sexp
+ :group 'gnus-article-hiding)
+
+(defcustom 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."
+ :type 'string ;Leave function case to Lisp.
+ :group 'gnus-article-washing)
+
+(defcustom gnus-article-x-face-too-ugly nil
+ "Regexp matching posters whose face shouldn't be shown automatically."
+ :type 'regexp
+ :group 'gnus-article-washing)
+
+(defcustom gnus-emphasis-alist
+ (let ((format
+ "\\(\\s-\\|^\\|[-\"\(]\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\s-\\|[-?!.,;:\"\)]\\)")
+ (types
+ '(("_" "_" underline)
+ ("/" "/" italic)
+ ("\\*" "\\*" bold)
+ ("_/" "/_" underline-italic)
+ ("_\\*" "\\*_" underline-bold)
+ ("\\*/" "/\\*" bold-italic)
+ ("_\\*/" "/\\*_" underline-bold-italic))))
+ `(("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
+ 2 3 gnus-emphasis-underline)
+ ,@(mapcar
+ (lambda (spec)
+ (list
+ (format format (car spec) (cadr spec))
+ 2 3 (intern (format "gnus-emphasis-%s" (caddr spec)))))
+ types)))
+ "Alist that says how to fontify certain phrases.
+Each item looks like this:
+
+ (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
+
+The first element is a regular expression to be matched. The second
+is a number that says what regular expression grouping used to find
+the entire emphasized word. The third is a number that says what
+regexp grouping should be displayed and highlighted. The fourth
+is the face used for highlighting."
+ :type '(repeat (list :value ("" 0 0 default)
+ regexp
+ (integer :tag "Match group")
+ (integer :tag "Emphasize group")
+ face))
+ :group 'gnus-article-emphasis)
+
+(defface gnus-emphasis-bold '((t (:bold t)))
+ "Face used for displaying strong emphasized text (*word*)."
+ :group 'gnus-article-emphasis)
+
+(defface gnus-emphasis-italic '((t (:italic t)))
+ "Face used for displaying italic emphasized text (/word/)."
+ :group 'gnus-article-emphasis)
+
+(defface gnus-emphasis-underline '((t (:underline t)))
+ "Face used for displaying underlined emphasized text (_word_)."
+ :group 'gnus-article-emphasis)
+
+(defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
+ "Face used for displaying underlined bold emphasized text (_*word*_)."
+ :group 'gnus-article-emphasis)
+
+(defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
+ "Face used for displaying underlined italic emphasized text (_*word*_)."
+ :group 'gnus-article-emphasis)
+
+(defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
+ "Face used for displaying bold italic emphasized text (/*word*/)."
+ :group 'gnus-article-emphasis)
+
+(defface gnus-emphasis-underline-bold-italic
+ '((t (:bold t :italic t :underline t)))
+ "Face used for displaying underlined bold italic emphasized text.
+Esample: (_/*word*/_)."
+ :group 'gnus-article-emphasis)
+
+(defcustom gnus-article-time-format "%a, %b %d %Y %T %Z"
+ "Format for display of Date headers in article bodies.
+See `format-time-zone' for the possible values."
+ :type 'string
+ :link '(custom-manual "(gnus)Article Date")
+ :group 'gnus-article-washing)
+
+(eval-and-compile
+ (autoload 'hexl-hex-string-to-integer "hexl")
+ (autoload 'timezone-make-date-arpa-standard "timezone")
+ (autoload 'mail-extract-address-components "mail-extr"))
(defcustom gnus-save-all-headers t
"*If non-nil, don't remove any headers before saving."
- :group 'article
+ :group 'gnus-article-saving
:type 'boolean)
(defcustom gnus-prompt-before-saving 'always
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."
- :group 'article
+ :group 'gnus-article-saving
:type '(choice (item always)
(item :tag "never" nil)
(sexp :tag "once" :format "%t")))
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."
- :group 'article
+ :group 'gnus-article-saving
:type '(repeat string))
(defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
* gnus-summary-save-in-file (article format)
* gnus-summary-save-in-vm (use VM's folder format)
* gnus-summary-write-to-file (article format -- overwrite)."
- :group 'article
+ :group 'gnus-article-saving
:type '(radio (function-item gnus-summary-save-in-rmail)
(function-item gnus-summary-save-in-mail)
(function-item gnus-summary-save-in-folder)
(defcustom gnus-rmail-save-name '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."
- :group 'article
+ :group 'gnus-article-saving
:type 'function)
(defcustom gnus-mail-save-name '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."
- :group 'article
+ :group 'gnus-article-saving
:type 'function)
(defcustom gnus-folder-save-name '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."
- :group 'article
+ :group 'gnus-article-saving
:type 'function)
(defcustom gnus-file-save-name '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."
- :group 'article
+ :group 'gnus-article-saving
:type 'function)
(defcustom gnus-split-methods
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."
- :group 'article
+ :group 'gnus-article-saving
:type '(repeat (choice (list function)
(cons regexp (repeat string))
sexp)))
(defcustom gnus-strict-mime t
"*If nil, MIME-decode even if there is no Mime-Version header."
- :group 'article
+ :group 'gnus-article-mime
:type 'boolean)
(defcustom gnus-show-mime-method 'metamail-buffer
"Function to process a MIME message.
The function is called from the article buffer."
- :group 'article
+ :group 'gnus-article-mime
:type 'function)
-(defcustom gnus-decode-encoded-word-method (lambda ())
- "*Function to decode a MIME encoded-words.
+(defcustom gnus-decode-encoded-word-method 'gnus-article-de-quoted-unreadable
+ "*Function to decode MIME encoded words.
The function is called from the article buffer."
- :group 'article
+ :group 'gnus-article-mime
:type 'function)
(defcustom gnus-page-delimiter "^\^L"
The default value is \"^\^L\", which is a form linefeed at the
beginning of a line."
:type 'regexp
- :group 'article)
+ :group 'gnus-article-various)
(defcustom 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."
:type 'string
- :group 'article)
+ :group 'gnus-article-various)
(defcustom gnus-article-mode-hook nil
"*A hook for Gnus article mode."
:type 'hook
- :group 'article)
+ :group 'gnus-article-various)
(defcustom gnus-article-menu-hook nil
"*Hook run after the creation of the article mode menu."
:type 'hook
- :group 'article)
+ :group 'gnus-article-various)
(defcustom 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."
:type 'hook
- :group 'article)
+ :group 'gnus-article-various)
(defcustom gnus-article-button-face 'bold
"Face used for highlighting buttons in the article buffer.
An article button is a piece of text that you can activate by pressing
`RET' or `mouse-2' above it."
:type 'face
- :group 'article)
+ :group 'gnus-article-buttons)
(defcustom gnus-article-mouse-face 'highlight
"Face used for mouse highlighting in the article buffer.
Article buttons will be displayed in this face when the cursor is
above them."
:type 'face
- :group 'article)
+ :group 'gnus-article-buttons)
(defcustom gnus-signature-face 'italic
"Face used for highlighting a signature in the article buffer."
:type 'face
- :group 'article)
+ :group 'gnus-article-highlight
+ :group 'gnus-article-signature)
-(defface gnus-header-from-face
+(defface gnus-header-from-face
'((((class color)
(background dark))
- (:foreground "light blue" :bold t :italic t))
+ (:foreground "spring green" :bold t))
(((class color)
(background light))
- (:foreground "MidnightBlue" :bold t :italic t))
- (t
+ (:foreground "red3" :bold t))
+ (t
(:bold t :italic t)))
"Face used for displaying from headers."
- :group 'article)
+ :group 'gnus-article-headers
+ :group 'gnus-article-highlight)
-(defface gnus-header-subject-face
+(defface gnus-header-subject-face
'((((class color)
(background dark))
- (:foreground "pink" :bold t :italic t))
+ (:foreground "SeaGreen3" :bold t))
(((class color)
(background light))
- (:foreground "firebrick" :bold t :italic t))
- (t
+ (:foreground "red4" :bold t))
+ (t
(:bold t :italic t)))
"Face used for displaying subject headers."
- :group 'article)
+ :group 'gnus-article-headers
+ :group 'gnus-article-highlight)
-(defface gnus-header-newsgroups-face
+(defface gnus-header-newsgroups-face
'((((class color)
(background dark))
(:foreground "yellow" :bold t :italic t))
(((class color)
(background light))
- (:foreground "indianred" :bold t :italic t))
- (t
+ (:foreground "MidnightBlue" :bold t :italic t))
+ (t
(:bold t :italic t)))
"Face used for displaying newsgroups headers."
- :group 'article)
+ :group 'gnus-article-headers
+ :group 'gnus-article-highlight)
-(defface gnus-header-name-face
+(defface gnus-header-name-face
'((((class color)
(background dark))
- (:foreground "cyan" :bold t))
+ (:foreground "SeaGreen"))
(((class color)
(background light))
- (:foreground "DarkGreen" :bold t))
- (t
+ (:foreground "maroon"))
+ (t
(:bold t)))
"Face used for displaying header names."
- :group 'article)
+ :group 'gnus-article-headers
+ :group 'gnus-article-highlight)
(defface gnus-header-content-face
'((((class color)
(:foreground "forest green" :italic t))
(((class color)
(background light))
- (:foreground "DarkGreen" :italic t))
- (t
+ (:foreground "indianred4" :italic t))
+ (t
(:italic t))) "Face used for displaying header content."
- :group 'article)
+ :group 'gnus-article-headers
+ :group 'gnus-article-highlight)
(defcustom gnus-header-face-alist
'(("From" nil gnus-header-from-face)
("" gnus-header-name-face gnus-header-content-face))
"Controls highlighting of article header.
-An alist of the form (HEADER NAME CONTENT).
+An alist of the form (HEADER NAME CONTENT).
HEADER is a regular expression which should match the name of an
header header and NAME and CONTENT are either face names or nil.
specified by the first element in the list where HEADER match the
header name and NAME is non-nil. Similarly, the content will be
displayed by the first non-nil matching CONTENT face."
- :group 'article
+ :group 'gnus-article-headers
+ :group 'gnus-article-highlight
:type '(repeat (list (regexp :tag "Header")
(choice :tag "Name"
(item :tag "skip" nil)
;;; Internal variables
+(defvar gnus-article-mode-syntax-table
+ (let ((table (copy-syntax-table text-mode-syntax-table)))
+ (modify-syntax-entry ?- "w" table)
+ table)
+ "Syntax table used in article mode buffers.
+Initialized from `text-mode-syntax-table.")
+
+(defvar gnus-save-article-buffer nil)
+
(defvar gnus-article-mode-line-format-alist
(nconc '((?w (gnus-article-wash-status) ?s))
gnus-summary-mode-line-format-alist))
(defvar gnus-number-of-articles-to-be-saved nil)
-;;; Provide a mapping from `gnus-*' commands to Article commands.
+(defvar gnus-inhibit-hiding nil)
+(defvar gnus-newsgroup-name)
+
+(defsubst gnus-article-hide-text (b e props)
+ "Set text PROPS on the B to E region, extending `intangible' 1 past B."
+ (add-text-properties b e props)
+ (when (memq 'intangible props)
+ (put-text-property
+ (max (1- b) (point-min))
+ b 'intangible (cddr (memq 'intangible props)))))
+
+(defsubst gnus-article-unhide-text (b e)
+ "Remove hidden text properties from region between B and E."
+ (remove-text-properties b e gnus-hidden-properties)
+ (when (memq 'intangible gnus-hidden-properties)
+ (put-text-property (max (1- b) (point-min))
+ b 'intangible nil)))
+
+(defun gnus-article-hide-text-type (b e type)
+ "Hide text of TYPE between B and E."
+ (gnus-article-hide-text
+ b e (cons 'article-type (cons type gnus-hidden-properties))))
+
+(defun gnus-article-unhide-text-type (b e type)
+ "Hide text of TYPE between B and E."
+ (remove-text-properties
+ b e (cons 'article-type (cons type gnus-hidden-properties)))
+ (when (memq 'intangible gnus-hidden-properties)
+ (put-text-property (max (1- b) (point-min))
+ b 'intangible nil)))
+
+(defun gnus-article-hide-text-of-type (type)
+ "Hide text of TYPE in the current buffer."
+ (save-excursion
+ (let ((b (point-min))
+ (e (point-max)))
+ (while (setq b (text-property-any b e 'article-type type))
+ (add-text-properties b (incf b) gnus-hidden-properties)))))
-(eval-and-compile
- (mapcar
- (lambda (func)
- (let (afunc gfunc)
- (if (consp func)
- (setq afunc (car func)
- gfunc (cdr func))
- (setq afunc func
- gfunc (intern (format "gnus-%s" func))))
- (fset gfunc
- `(lambda (&optional interactive &rest args)
- ,(documentation afunc t)
- (interactive (list t))
- (save-excursion
- (set-buffer gnus-article-buffer)
- (if interactive
- (call-interactively ',afunc)
- (apply ',afunc args)))))))
- '(article-hide-headers
- article-hide-boring-headers
- article-treat-overstrike
- (article-fill . gnus-article-word-wrap)
- article-remove-cr
- article-display-x-face
- article-de-quoted-unreadable
- article-mime-decode-quoted-printable
- article-hide-pgp
- article-hide-pem
- article-hide-signature
- article-remove-trailing-blank-lines
- article-strip-leading-blank-lines
- article-strip-multiple-blank-lines
- article-strip-blank-lines
- article-date-local
- article-date-original
- article-date-lapsed
- article-emphasize
- (article-show-all . gnus-article-show-all-headers))))
+(defun gnus-article-delete-text-of-type (type)
+ "Delete text of TYPE in the current buffer."
+ (save-excursion
+ (let ((b (point-min)))
+ (while (setq b (text-property-any b (point-max) 'article-type type))
+ (delete-region b (incf b))))))
+
+(defun gnus-article-delete-invisible-text ()
+ "Delete all invisible text in the current buffer."
+ (save-excursion
+ (let ((b (point-min)))
+ (while (setq b (text-property-any b (point-max) 'invisible t))
+ (delete-region b (incf b))))))
+
+(defun gnus-article-text-type-exists-p (type)
+ "Say whether any text of type TYPE exists in the buffer."
+ (text-property-any (point-min) (point-max) 'article-type type))
+
+(defsubst gnus-article-header-rank ()
+ "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 (looking-at (car list))
+ (setq list nil))
+ (setq list (cdr list))
+ (incf i))
+ i))
+
+(defun 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 (gnus-article-hidden-arg))
+ (if (gnus-article-check-hidden-text 'headers arg)
+ ;; Show boring headers as well.
+ (gnus-article-show-hidden-text 'boring-headers)
+ ;; This function might be inhibited.
+ (unless gnus-inhibit-hiding
+ (save-excursion
+ (save-restriction
+ (let ((buffer-read-only nil)
+ (props (nconc (list 'article-type 'headers)
+ gnus-hidden-properties))
+ (max (1+ (length gnus-sorted-header-list)))
+ (ignored (when (not 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 "\\|"))))
+ (inhibit-point-motion-hooks t)
+ want-list beg)
+ ;; 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)
+ (if delete
+ (delete-region (point-min) (point))
+ (gnus-article-hide-text (point-min) (point) props)))
+ ;; Then treat the rest of the header lines.
+ (narrow-to-region
+ (point)
+ (if (search-forward "\n\n" nil t) ; if there's a body
+ (progn (forward-line -1) (point))
+ (point-max)))
+ ;; 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)
+ ;; Mark the rank of the header.
+ (put-text-property
+ (point) (1+ (point)) 'message-rank
+ (if (or (and visible (looking-at visible))
+ (and ignored
+ (not (looking-at ignored))))
+ (gnus-article-header-rank)
+ (+ 2 max)))
+ (forward-line 1))
+ (message-sort-headers-1)
+ (when (setq beg (text-property-any
+ (point-min) (point-max) 'message-rank (+ 2 max)))
+ ;; We make the unwanted headers invisible.
+ (if delete
+ (delete-region beg (point-max))
+ ;; Suggested by Sudish Joseph <joseph@cis.ohio-state.edu>.
+ (gnus-article-hide-text-type beg (point-max) 'headers))
+ ;; Work around XEmacs lossage.
+ (put-text-property (point-min) beg 'invisible nil))))))))
+
+(defun 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 (gnus-article-hidden-arg))
+ (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
+ (not gnus-show-all-headers))
+ (save-excursion
+ (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)
+ (gnus-article-hide-text-type
+ (progn (beginning-of-line) (point))
+ (progn
+ (end-of-line)
+ (if (re-search-forward "^[^ \t]" nil t)
+ (match-beginning 0)
+ (point-max)))
+ 'boring-headers)))
+ ;; Hide boring Newsgroups header.
+ ((eq elem 'newsgroups)
+ (when (equal (gnus-fetch-field "newsgroups")
+ (gnus-group-real-name
+ (if (boundp 'gnus-newsgroup-name)
+ gnus-newsgroup-name
+ "")))
+ (gnus-article-hide-header "newsgroups")))
+ ((eq elem 'followup-to)
+ (when (equal (message-fetch-field "followup-to")
+ (message-fetch-field "newsgroups"))
+ (gnus-article-hide-header "followup-to")))
+ ((eq elem 'reply-to)
+ (let ((from (message-fetch-field "from"))
+ (reply-to (message-fetch-field "reply-to")))
+ (when (and
+ from reply-to
+ (ignore-errors
+ (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 (message-fetch-field "date")))
+ (when (and date
+ (< (gnus-days-between (current-time-string) date)
+ 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)
+ (gnus-article-hide-text-type
+ (progn (beginning-of-line) (point))
+ (progn
+ (end-of-line)
+ (if (re-search-forward "^[^ \t]" nil t)
+ (match-beginning 0)
+ (point-max)))
+ 'boring-headers))))
+
+;; Written by Per Abrahamsen <amanda@iesd.auc.dk>.
+(defun article-treat-overstrike ()
+ "Translate overstrikes into bold text."
+ (interactive)
+ (save-excursion
+ (let ((buffer-read-only nil))
+ (while (search-forward "\b" nil t)
+ (let ((next (following-char))
+ (previous (char-after (- (point) 2))))
+ ;; We do the boldification/underlining by hiding the
+ ;; overstrikes and putting the proper text property
+ ;; on the letters.
+ (cond
+ ((eq next previous)
+ (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
+ (put-text-property (point) (1+ (point)) 'face 'bold))
+ ((eq next ?_)
+ (gnus-article-hide-text-type (1- (point)) (1+ (point)) 'overstrike)
+ (put-text-property
+ (- (point) 2) (1- (point)) 'face 'underline))
+ ((eq previous ?_)
+ (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
+ (put-text-property
+ (point) (1+ (point)) 'face 'underline))))))))
+
+(defun article-fill ()
+ "Format too long lines."
+ (interactive)
+ (save-excursion
+ (let ((buffer-read-only nil))
+ (widen)
+ (goto-char (point-min))
+ (search-forward "\n\n" nil t)
+ (end-of-line 1)
+ (let ((paragraph-start "^[>|#:<;* ]*[ \t]*$")
+ (adaptive-fill-regexp "[ \t]*\\([|#:<;>*]+ *\\)?")
+ (adaptive-fill-mode t))
+ (while (not (eobp))
+ (and (>= (current-column) (min fill-column (window-width)))
+ (/= (preceding-char) ?:)
+ (fill-paragraph nil))
+ (end-of-line 2))))))
+
+(defun article-remove-cr ()
+ "Remove carriage returns from an article."
+ (interactive)
+ (save-excursion
+ (let ((buffer-read-only nil))
+ (goto-char (point-min))
+ (while (search-forward "\r" nil t)
+ (replace-match "" t t)))))
+
+(defun article-remove-trailing-blank-lines ()
+ "Remove all trailing blank lines from the article."
+ (interactive)
+ (save-excursion
+ (let ((buffer-read-only nil))
+ (goto-char (point-max))
+ (delete-region
+ (point)
+ (progn
+ (while (and (not (bobp))
+ (looking-at "^[ \t]*$"))
+ (forward-line -1))
+ (forward-line 1)
+ (point))))))
+
+(defun article-display-x-face (&optional force)
+ "Look for an X-Face header and display it if present."
+ (interactive (list 'force))
+ (save-excursion
+ ;; Delete the old process, if any.
+ (when (process-status "article-x-face")
+ (delete-process "article-x-face"))
+ (let ((inhibit-point-motion-hooks t)
+ (case-fold-search nil)
+ from)
+ (save-restriction
+ (nnheader-narrow-to-headers)
+ (setq from (message-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
+ "article-x-face" nil shell-file-name shell-command-switch
+ gnus-article-x-face-command))
+ (process-send-region "article-x-face" beg end)
+ (process-send-eof "article-x-face")))))))))
(defalias 'gnus-decode-rfc1522 'article-decode-rfc1522)
+(defalias 'gnus-article-decode-rfc1522 'article-decode-rfc1522)
+(defun article-decode-rfc1522 ()
+ "Hack to remove QP encoding from headers."
+ (let ((case-fold-search t)
+ (inhibit-point-motion-hooks t)
+ (buffer-read-only nil)
+ string)
+ (save-restriction
+ (narrow-to-region
+ (goto-char (point-min))
+ (or (search-forward "\n\n" nil t) (point-max)))
+ (goto-char (point-min))
+ (while (re-search-forward
+ "=\\?iso-8859-1\\?q\\?\\([^?\t\n]*\\)\\?=" nil t)
+ (setq string (match-string 1))
+ (save-restriction
+ (narrow-to-region (match-beginning 0) (match-end 0))
+ (delete-region (point-min) (point-max))
+ (insert string)
+ (article-mime-decode-quoted-printable
+ (goto-char (point-min)) (point-max))
+ (subst-char-in-region (point-min) (point-max) ?_ ? )
+ (goto-char (point-max)))
+ (goto-char (point-min))))))
+
+(defun 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
+ (let ((case-fold-search t)
+ (buffer-read-only nil)
+ (type (gnus-fetch-field "content-transfer-encoding")))
+ (gnus-article-decode-rfc1522)
+ (when (or force
+ (and type (string-match "quoted-printable" (downcase type))))
+ (goto-char (point-min))
+ (search-forward "\n\n" nil 'move)
+ (article-mime-decode-quoted-printable (point) (point-max))))))
+
+(defun article-mime-decode-quoted-printable-buffer ()
+ "Decode Quoted-Printable in the current buffer."
+ (article-mime-decode-quoted-printable (point-min) (point-max)))
+
+(defun article-mime-decode-quoted-printable (from to)
+ "Decode Quoted-Printable in the region between FROM and TO."
+ (interactive "r")
+ (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]")
+ (subst-char-in-region
+ (1- (point)) (point) ?=
+ (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 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 (gnus-article-hidden-arg))
+ (unless (gnus-article-check-hidden-text 'pgp arg)
+ (save-excursion
+ (let ((inhibit-point-motion-hooks t)
+ buffer-read-only beg end)
+ (widen)
+ (goto-char (point-min))
+ ;; Hide the "header".
+ (when (search-forward "\n-----BEGIN PGP SIGNED MESSAGE-----\n" nil t)
+ (gnus-article-hide-text-type (1+ (match-beginning 0))
+ (match-end 0) 'pgp))
+ (setq beg (point))
+ ;; Hide the actual signature.
+ (and (search-forward "\n-----BEGIN PGP SIGNATURE-----\n" nil t)
+ (setq end (1+ (match-beginning 0)))
+ (gnus-article-hide-text-type
+ end
+ (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))
+ 'pgp))
+ ;; Hide "- " PGP quotation markers.
+ (when (and beg end)
+ (narrow-to-region beg end)
+ (goto-char (point-min))
+ (while (re-search-forward "^- " nil t)
+ (gnus-article-hide-text-type
+ (match-beginning 0) (match-end 0) 'pgp))
+ (widen))))))
+
+(defun article-hide-pem (&optional arg)
+ "Toggle hiding of any PEM headers and signatures in the current article.
+If given a negative prefix, always show; if given a positive prefix,
+always hide."
+ (interactive (gnus-article-hidden-arg))
+ (unless (gnus-article-check-hidden-text 'pem arg)
+ (save-excursion
+ (let (buffer-read-only end)
+ (widen)
+ (goto-char (point-min))
+ ;; hide the horrendously ugly "header".
+ (and (search-forward "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
+ nil
+ t)
+ (setq end (1+ (match-beginning 0)))
+ (gnus-article-hide-text-type
+ end
+ (if (search-forward "\n\n" nil t)
+ (match-end 0)
+ (point-max))
+ 'pem))
+ ;; hide the trailer as well
+ (and (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
+ nil
+ t)
+ (gnus-article-hide-text-type
+ (match-beginning 0) (match-end 0) 'pem))))))
+
+(defun 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 (gnus-article-hidden-arg))
+ (unless (gnus-article-check-hidden-text 'signature arg)
+ (save-excursion
+ (save-restriction
+ (let ((buffer-read-only nil))
+ (when (gnus-article-narrow-to-signature)
+ (gnus-article-hide-text-type
+ (point-min) (point-max) 'signature)))))))
+
+(defun article-strip-leading-blank-lines ()
+ "Remove all blank lines from the beginning of the article."
+ (interactive)
+ (save-excursion
+ (let ((inhibit-point-motion-hooks t)
+ buffer-read-only)
+ (goto-char (point-min))
+ (when (search-forward "\n\n" nil t)
+ (while (and (not (eobp))
+ (looking-at "[ \t]*$"))
+ (gnus-delete-line))))))
+
+(defun article-strip-multiple-blank-lines ()
+ "Replace consecutive blank lines with one empty line."
+ (interactive)
+ (save-excursion
+ (let ((inhibit-point-motion-hooks t)
+ buffer-read-only)
+ ;; First make all blank lines empty.
+ (goto-char (point-min))
+ (search-forward "\n\n" nil t)
+ (while (re-search-forward "^[ \t]+$" nil t)
+ (replace-match "" nil t))
+ ;; Then replace multiple empty lines with a single empty line.
+ (goto-char (point-min))
+ (search-forward "\n\n" nil t)
+ (while (re-search-forward "\n\n\n+" nil t)
+ (replace-match "\n\n" t t)))))
+
+(defun article-strip-leading-space ()
+ "Remove all white space from the beginning of the lines in the article."
+ (interactive)
+ (save-excursion
+ (let ((inhibit-point-motion-hooks t)
+ buffer-read-only)
+ (goto-char (point-min))
+ (search-forward "\n\n" nil t)
+ (while (re-search-forward "^[ \t]+" nil t)
+ (replace-match "" t t)))))
+
+(defun article-strip-blank-lines ()
+ "Strip leading, trailing and multiple blank lines."
+ (interactive)
+ (article-strip-leading-blank-lines)
+ (article-remove-trailing-blank-lines)
+ (article-strip-multiple-blank-lines))
+
+(defvar mime::preview/content-list)
+(defvar mime::preview-content-info/point-min)
+(defun gnus-article-narrow-to-signature ()
+ "Narrow to the signature; return t if a signature is found, else nil."
+ (widen)
+ (when (and (boundp 'mime::preview/content-list)
+ mime::preview/content-list)
+ ;; We have a MIMEish article, so we use the MIME data to narrow.
+ (let ((pcinfo (car (last mime::preview/content-list))))
+ (ignore-errors
+ (narrow-to-region
+ (funcall (intern "mime::preview-content-info/point-min") pcinfo)
+ (point-max)))))
+
+ (when (gnus-article-search-signature)
+ (forward-line 1)
+ ;; Check whether we have some limits to what we consider
+ ;; to be a signature.
+ (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
+ (list gnus-signature-limit)))
+ limit limited)
+ (while (setq limit (pop limits))
+ (if (or (and (integerp limit)
+ (< (- (point-max) (point)) limit))
+ (and (floatp limit)
+ (< (count-lines (point) (point-max)) limit))
+ (and (gnus-functionp limit)
+ (funcall limit))
+ (and (stringp limit)
+ (not (re-search-forward limit nil t))))
+ () ; This limit did not succeed.
+ (setq limited t
+ limits nil)))
+ (unless limited
+ (narrow-to-region (point) (point-max))
+ t))))
+
+(defun gnus-article-search-signature ()
+ "Search the current buffer for the signature separator.
+Put point at the beginning of the signature separator."
+ (let ((cur (point)))
+ (goto-char (point-max))
+ (if (if (stringp gnus-signature-separator)
+ (re-search-backward gnus-signature-separator nil t)
+ (let ((seps gnus-signature-separator))
+ (while (and seps
+ (not (re-search-backward (car seps) nil t)))
+ (pop seps))
+ seps))
+ t
+ (goto-char cur)
+ nil)))
+
+(eval-and-compile
+ (autoload 'w3-parse-buffer "w3-parse"))
+
+(defun gnus-article-treat-html ()
+ "Render HTML."
+ (interactive)
+ (let ((cbuf (current-buffer)))
+ (set-buffer gnus-article-buffer)
+ (let (buf buffer-read-only b e)
+ (goto-char (point-min))
+ (narrow-to-region
+ (if (search-forward "\n\n" nil t)
+ (setq b (point))
+ (point-max))
+ (setq e (point-max)))
+ (nnheader-temp-write nil
+ (insert-buffer-substring gnus-article-buffer b e)
+ (save-window-excursion
+ (setq buf (car (w3-parse-buffer (current-buffer))))))
+ (when buf
+ (delete-region (point-min) (point-max))
+ (insert-buffer-substring buf)
+ (kill-buffer buf))
+ (widen)
+ (goto-char (point-min))
+ (set-window-start (get-buffer-window (current-buffer)) (point-min))
+ (set-buffer cbuf))))
+
+(defun gnus-article-hidden-arg ()
+ "Return the current prefix arg as a number, or 0 if no prefix."
+ (list (if current-prefix-arg
+ (prefix-numeric-value current-prefix-arg)
+ 0)))
+
+(defun gnus-article-check-hidden-text (type arg)
+ "Return nil if hiding is necessary.
+Arg can be nil or a number. Nil and positive means hide, negative
+means show, 0 means toggle."
+ (save-excursion
+ (save-restriction
+ (widen)
+ (let ((hide (gnus-article-hidden-text-p type)))
+ (cond
+ ((or (null arg)
+ (> arg 0))
+ nil)
+ ((< arg 0)
+ (gnus-article-show-hidden-text type))
+ (t
+ (if (eq hide 'hidden)
+ (gnus-article-show-hidden-text type)
+ 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) 'article-type type)))
+ (when pos
+ (if (get-text-property pos 'invisible)
+ 'hidden
+ 'shown))))
+
+(defun gnus-article-show-hidden-text (type &optional hide)
+ "Show all hidden text of type TYPE.
+If HIDE, hide the text instead."
+ (save-excursion
+ (let ((buffer-read-only nil)
+ (inhibit-point-motion-hooks t)
+ (end (point-min))
+ beg)
+ (while (setq beg (text-property-any end (point-max) 'article-type type))
+ (goto-char beg)
+ (setq end (or
+ (text-property-not-all beg (point-max) 'article-type type)
+ (point-max)))
+ (if hide
+ (gnus-article-hide-text beg end gnus-hidden-properties)
+ (gnus-article-unhide-text beg end))
+ (goto-char end))
+ t)))
+
+(defconst 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 article-date-ut (&optional type highlight header)
+ "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 header
+ (mail-header-date gnus-current-headers)
+ (message-fetch-field "date")
+ ""))
+ (date (if (vectorp header) (mail-header-date header)
+ header))
+ (date-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
+ (inhibit-point-motion-hooks t)
+ bface eface)
+ (when (and date (not (string= date "")))
+ (save-excursion
+ (save-restriction
+ (nnheader-narrow-to-headers)
+ (let ((buffer-read-only nil))
+ ;; Delete any old Date headers.
+ (if (re-search-forward date-regexp nil t)
+ (progn
+ (setq bface (get-text-property (gnus-point-at-bol) 'face)
+ eface (get-text-property (1- (gnus-point-at-eol))
+ 'face))
+ (message-remove-header date-regexp t)
+ (beginning-of-line))
+ (goto-char (point-max)))
+ (insert (article-make-date-line date type))
+ ;; Do highlighting.
+ (forward-line -1)
+ (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
+ (put-text-property (match-beginning 1) (match-end 1)
+ 'face bface)
+ (put-text-property (match-beginning 2) (match-end 2)
+ 'face eface))))))))
+
+(defun article-make-date-line (date type)
+ "Return a DATE line of TYPE."
+ (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"))
+ ;; Let the user define the format.
+ ((eq type 'user)
+ (concat
+ "Date: "
+ (format-time-string gnus-article-time-format
+ (ignore-errors
+ (gnus-encode-date
+ (timezone-make-date-arpa-standard
+ date nil "UT"))))
+ "\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 ignore all errors.
+ (let* ((now (current-time))
+ (real-time
+ (ignore-errors
+ (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")))))
+ (real-sec (and real-time
+ (+ (* (float (car real-time)) 65536)
+ (cadr real-time))))
+ (sec (and real-time (abs real-sec)))
+ num prev)
+ (cond
+ ((null real-time)
+ "X-Sent: Unknown\n")
+ ((zerop sec)
+ "X-Sent: Now\n")
+ (t
+ (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))))
+ 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))))
+
+(defun article-date-local (&optional highlight)
+ "Convert the current article date to the local timezone."
+ (interactive (list t))
+ (article-date-ut 'local highlight))
+
+(defun 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))
+ (article-date-ut 'original highlight))
+
+(defun article-date-lapsed (&optional highlight)
+ "Convert the current article date to time lapsed since it was sent."
+ (interactive (list t))
+ (article-date-ut 'lapsed highlight))
+
+(defun article-date-user (&optional highlight)
+ "Convert the current article date to the user-defined format.
+This format is defined by the `gnus-article-time-format' variable."
+ (interactive (list t))
+ (article-date-ut 'user highlight))
+
+(defun article-show-all ()
+ "Show all hidden text in the article buffer."
+ (interactive)
+ (save-excursion
+ (let ((buffer-read-only nil))
+ (gnus-article-unhide-text (point-min) (point-max)))))
+
+(defun article-emphasize (&optional arg)
+ "Emphasize text according to `gnus-emphasis-alist'."
+ (interactive (gnus-article-hidden-arg))
+ (unless (gnus-article-check-hidden-text 'emphasis arg)
+ (save-excursion
+ (let ((alist gnus-emphasis-alist)
+ (buffer-read-only nil)
+ (props (append '(article-type emphasis)
+ gnus-hidden-properties))
+ regexp elem beg invisible visible face)
+ (goto-char (point-min))
+ (search-forward "\n\n" nil t)
+ (setq beg (point))
+ (while (setq elem (pop alist))
+ (goto-char beg)
+ (setq regexp (car elem)
+ invisible (nth 1 elem)
+ visible (nth 2 elem)
+ face (nth 3 elem))
+ (while (re-search-forward regexp nil t)
+ (when (and (match-beginning visible) (match-beginning invisible))
+ (gnus-article-hide-text
+ (match-beginning invisible) (match-end invisible) props)
+ (gnus-article-unhide-text-type
+ (match-beginning visible) (match-end visible) 'emphasis)
+ (gnus-put-text-property-excluding-newlines
+ (match-beginning visible) (match-end visible) 'face face)
+ (goto-char (match-end invisible)))))))))
+
+(defvar gnus-summary-article-menu)
+(defvar gnus-summary-post-menu)
;;; Saving functions.
(if (not gnus-default-article-saver)
(error "No default saver is defined.")
;; !!! Magic! The saving functions all save
- ;; `gnus-original-article-buffer' (or so they think),
- ;; but we bind that variable to our save-buffer.
+ ;; `gnus-original-article-buffer' (or so they think), but we
+ ;; bind that variable to our save-buffer.
(set-buffer gnus-article-buffer)
- (let* ((gnus-original-article-buffer save-buffer)
+ (let* ((gnus-save-article-buffer save-buffer)
(filename
(cond
- ((not gnus-prompt-before-saving)
- 'default)
- ((eq gnus-prompt-before-saving 'always)
- nil)
+ ((not gnus-prompt-before-saving) 'default)
+ ((eq gnus-prompt-before-saving 'always) nil)
(t file)))
(gnus-number-of-articles-to-be-saved
(when (eq gnus-prompt-before-saving t)
num))) ; Magic
(set-buffer gnus-summary-buffer)
- (funcall gnus-default-article-saver filename)))))
+ (funcall gnus-default-article-saver filename)))))
(defun gnus-read-save-file-name (prompt default-name &optional filename)
(cond
(let (result)
(let ((file-name-history (nconc split-name file-name-history)))
(setq result
- (read-file-name
- (concat prompt " (`M-p' for defaults) ")
- gnus-article-save-directory
- (car split-name))))
+ (expand-file-name
+ (read-file-name
+ (concat prompt " (`M-p' for defaults) ")
+ gnus-article-save-directory
+ (car split-name))
+ gnus-article-save-directory)))
(car (push result file-name-history)))))))
;; Create the directory.
(gnus-make-directory (file-name-directory file))
(setq filename (gnus-read-save-file-name
"Save %s in rmail file:" default-name filename))
(gnus-make-directory (file-name-directory filename))
- (gnus-eval-in-buffer-window gnus-original-article-buffer
+ (gnus-eval-in-buffer-window gnus-save-article-buffer
(save-excursion
(save-restriction
(widen)
(and default-name
(file-name-directory default-name))))
(gnus-make-directory (file-name-directory filename))
- (gnus-eval-in-buffer-window gnus-original-article-buffer
+ (gnus-eval-in-buffer-window gnus-save-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))))))
+ (if (and (file-readable-p filename)
+ (mail-file-babyl-p filename))
+ (gnus-output-to-rmail filename t)
+ (gnus-output-to-mail filename)))))
;; Remember the directory name to save articles.
(setq gnus-newsgroup-last-mail filename)))
(setq filename (gnus-read-save-file-name
"Save %s in file:" default-name filename))
(gnus-make-directory (file-name-directory filename))
- (gnus-eval-in-buffer-window gnus-original-article-buffer
+ (gnus-eval-in-buffer-window gnus-save-article-buffer
(save-excursion
(save-restriction
(widen)
(interactive)
(gnus-summary-save-in-file nil t))
-
(defun gnus-summary-save-body-in-file (&optional filename)
"Append this article body to a file.
Optional argument FILENAME specifies file name.
(setq filename (gnus-read-save-file-name
"Save %s body in file:" default-name filename))
(gnus-make-directory (file-name-directory filename))
- (gnus-eval-in-buffer-window gnus-original-article-buffer
+ (gnus-eval-in-buffer-window gnus-save-article-buffer
(save-excursion
(save-restriction
(widen)
(cond ((eq command 'default)
gnus-last-shell-command)
(command command)
- (t (read-string "Shell command on article: "
- gnus-last-shell-command))))
+ (t (read-string
+ (format
+ "Shell command on %s: "
+ (if (and gnus-number-of-articles-to-be-saved
+ (> gnus-number-of-articles-to-be-saved 1))
+ (format "these %d articles"
+ gnus-number-of-articles-to-be-saved)
+ "this article"))
+ gnus-last-shell-command))))
(when (string-equal command "")
(setq command gnus-last-shell-command))
(gnus-eval-in-buffer-window gnus-article-buffer
(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.
+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 (gnus-newsgroup-directory-form newsgroup) "/news"))
gnus-article-save-directory)))
+(eval-and-compile
+ (mapcar
+ (lambda (func)
+ (let (afunc gfunc)
+ (if (consp func)
+ (setq afunc (car func)
+ gfunc (cdr func))
+ (setq afunc func
+ gfunc (intern (format "gnus-%s" func))))
+ (fset gfunc
+ (if (not (fboundp afunc))
+ nil
+ `(lambda (&optional interactive &rest args)
+ ,(documentation afunc t)
+ (interactive (list t))
+ (save-excursion
+ (set-buffer gnus-article-buffer)
+ (if interactive
+ (call-interactively ',afunc)
+ (apply ',afunc args))))))))
+ '(article-hide-headers
+ article-hide-boring-headers
+ article-treat-overstrike
+ (article-fill . gnus-article-word-wrap)
+ article-remove-cr
+ article-display-x-face
+ article-de-quoted-unreadable
+ article-mime-decode-quoted-printable
+ article-hide-pgp
+ article-hide-pem
+ article-hide-signature
+ article-remove-trailing-blank-lines
+ article-strip-leading-blank-lines
+ article-strip-multiple-blank-lines
+ article-strip-leading-space
+ article-strip-blank-lines
+ article-date-local
+ article-date-original
+ article-date-ut
+ article-date-user
+ article-date-lapsed
+ article-emphasize
+ (article-show-all . gnus-article-show-all-headers))))
\f
;;;
;;; Gnus article mode
"\C-d" gnus-article-read-summary-keys
"\M-*" gnus-article-read-summary-keys
+ "\M-#" gnus-article-read-summary-keys
+ "\M-^" gnus-article-read-summary-keys
"\M-g" gnus-article-read-summary-keys)
(substitute-key-definition
["Scroll backwards" gnus-article-goto-prev-page t]
["Show summary" gnus-article-show-summary t]
["Fetch Message-ID at point" gnus-article-refer-article t]
- ["Mail to address at point" gnus-article-mail t]
- ))
+ ["Mail to address at point" gnus-article-mail t]))
(easy-menu-define
gnus-article-treatment-menu gnus-article-mode-map ""
["Hide citation" gnus-article-hide-citation t]
["Treat overstrike" gnus-article-treat-overstrike t]
["Remove carriage return" gnus-article-remove-cr t]
- ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
- ))
+ ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]))
+
+ (when nil
+ (when (boundp 'gnus-summary-article-menu)
+ (define-key gnus-article-mode-map [menu-bar commands]
+ (cons "Commands" gnus-summary-article-menu))))
+
+ (when (boundp 'gnus-summary-post-menu)
+ (define-key gnus-article-mode-map [menu-bar post]
+ (cons "Post" gnus-summary-post-menu)))
+
(run-hooks 'gnus-article-menu-hook)))
(defun gnus-article-mode ()
\\[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))
+ (when (gnus-visual-p 'article-menu 'menu)
(gnus-article-make-menu-bar))
(kill-all-local-variables)
(gnus-simplify-mode-line)
(use-local-map gnus-article-mode-map)
(gnus-update-format-specifications nil 'article-mode)
(set (make-local-variable 'page-delimiter) gnus-page-delimiter)
+ (set (make-local-variable 'gnus-button-marker-list) nil)
(gnus-set-default-directory)
(buffer-disable-undo (current-buffer))
(setq buffer-read-only t)
+ (set-syntax-table gnus-article-mode-syntax-table)
(run-hooks 'gnus-article-mode-hook))
(defun gnus-article-setup-buffer ()
(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))
+ (let* ((gnus-article (if header (mail-header-number header) article))
(summary-buffer (current-buffer))
(internal-hook gnus-article-internal-prepare-hook)
(group gnus-newsgroup-name)
"Return a string which display status of article washing."
(save-excursion
(set-buffer gnus-article-buffer)
- (let ((cite (article-hidden-text-p 'cite))
- (headers (article-hidden-text-p 'headers))
- (boring (article-hidden-text-p 'boring-headers))
- (pgp (article-hidden-text-p 'pgp))
- (pem (article-hidden-text-p 'pem))
- (signature (article-hidden-text-p 'signature))
- (overstrike (article-hidden-text-p 'overstrike))
- (emphasis (article-hidden-text-p 'emphasis))
+ (let ((cite (gnus-article-hidden-text-p 'cite))
+ (headers (gnus-article-hidden-text-p 'headers))
+ (boring (gnus-article-hidden-text-p 'boring-headers))
+ (pgp (gnus-article-hidden-text-p 'pgp))
+ (pem (gnus-article-hidden-text-p 'pem))
+ (signature (gnus-article-hidden-text-p 'signature))
+ (overstrike (gnus-article-hidden-text-p 'overstrike))
+ (emphasis (gnus-article-hidden-text-p 'emphasis))
(mime gnus-show-mime))
(format "%c%c%c%c%c%c%c"
(if cite ?c ? )
;;; 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))
- (gnus-write-buffer file-name)))
- (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.
- (when msg
- (widen)
- (narrow-to-region (point-max) (point-max)))
- (insert-buffer-substring tmpbuf)
- (when msg
- (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)))
-
(defun gnus-output-to-file (file-name)
"Append the current article to a file named FILE-NAME."
(let ((artbuf (current-buffer)))
(insert "\n")
(append-to-file (point-min) (point-max) file-name))))
-(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-narrow-to-page (&optional arg)
"Narrow the article buffer to a page.
If given a numerical ARG, move forward ARG pages."
"Show the next page of the article."
(interactive)
(when (gnus-article-next-page)
+ (goto-char (point-min))
(gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
(defun gnus-article-goto-prev-page ()
"Show the next page of the article."
(interactive)
- (if (bobp) (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))
+ (if (bobp) (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
(gnus-article-prev-page nil)))
(defun gnus-article-next-page (&optional lines)
(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))))
+ (let ((scroll-in-place nil))
+ (condition-case ()
+ (scroll-up lines)
+ (end-of-buffer
+ ;; Long lines may cause an end-of-buffer error.
+ (goto-char (point-max)))))
(move-to-window-line 0)
nil))
(gnus-narrow-to-page -1) ;Go to previous page.
(goto-char (point-max))
(recenter -1))
- (prog1
- (condition-case ()
- (scroll-down lines)
- (error nil))
- (move-to-window-line 0))))
+ (let ((scroll-in-place nil))
+ (prog1
+ (condition-case ()
+ (scroll-down lines)
+ (beginning-of-buffer
+ (goto-char (point-min))))
+ (move-to-window-line 0)))))
(defun gnus-article-refer-article ()
"Read article specified by message-id around point."
keys)
(save-excursion
(set-buffer gnus-summary-buffer)
- (push (or key last-command-event) unread-command-events)
- (setq keys (read-key-sequence nil)))
+ (let (gnus-pick-mode)
+ (push (or key last-command-event) unread-command-events)
+ (setq keys (read-key-sequence nil))))
(message "")
(if (or (member keys nosaves)
(let (func)
(save-window-excursion
(pop-to-buffer gnus-summary-buffer 'norecord)
- (setq func (lookup-key (current-local-map) keys)))
+ ;; We disable the pick minor mode commands.
+ (let (gnus-pick-mode)
+ (setq func (lookup-key (current-local-map) keys))))
(if (not func)
(ding)
(unless (member keys nosave-in-article)
(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))
+ ;; We disable the pick minor mode commands.
+ (if (setq func (let (gnus-pick-mode)
+ (lookup-key (current-local-map) keys)))
(call-interactively func)
(ding))
(when (eq in-buffer (current-buffer))
(set-buffer gnus-summary-buffer)
(let ((header (gnus-summary-article-header article)))
(when (< article 0)
- (cond
+ (cond
((memq article gnus-newsgroup-sparse)
;; This is a sparse gap article.
(setq do-update-line article)
;; It is an extracted pseudo-article.
(setq article 'pseudo)
(gnus-request-pseudo-article header))))
-
- (let ((method (gnus-find-method-for-group
+
+ (let ((method (gnus-find-method-for-group
gnus-newsgroup-name)))
(if (not (eq (car method) 'nneething))
()
(when (numberp article)
(gnus-async-prefetch-next group article gnus-summary-buffer)
(when gnus-keep-backlog
- (gnus-backlog-enter-article
+ (gnus-backlog-enter-article
group article (current-buffer))))
'article)))
;; It was a pseudo.
(erase-buffer)
(insert-buffer-substring gnus-article-buffer))
(setq gnus-original-article (cons group article))))
-
+
;; Update sparse articles.
(when (and do-update-line
(or (numberp article)
(point))
(set-buffer buf))))))
-(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 ((headers (or gnus-current-headers (gnus-summary-article-header))))
- (save-excursion
- (set-buffer gnus-article-buffer)
- (article-date-ut type highlight headers))))
-
;;;
;;; Article editing
;;;
(defcustom gnus-article-edit-mode-hook nil
"Hook run in article edit mode buffers."
- :group 'article
+ :group 'gnus-article-various
:type 'hook)
(defvar gnus-article-edit-done-function nil)
(defvar gnus-article-edit-mode-map nil)
-(unless gnus-article-edit-mode-map
+(unless gnus-article-edit-mode-map
(setq gnus-article-edit-mode-map (copy-keymap text-mode-map))
(gnus-define-keys gnus-article-edit-mode-map
(gnus-article-mode)
;; The cache and backlog have to be flushed somewhat.
(when gnus-use-cache
- (gnus-cache-update-article
+ (gnus-cache-update-article
(car gnus-article-current) (cdr gnus-article-current)))
(when gnus-keep-backlog
- (gnus-backlog-remove-article
+ (gnus-backlog-remove-article
(car gnus-article-current) (cdr gnus-article-current)))
;; Flush original article as well.
(save-excursion
(set-window-start (get-buffer-window (current-buffer)) window-start)
(goto-char p)
(set-buffer buf)))))
-
+
(defun gnus-article-edit-full-stops ()
"Interactively repair spacing at end of sentences."
(interactive)
(let ((case-fold-search nil))
(query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
-;;;
+;;;
;;; Article highlights
;;;
;;; Internal Variables:
-(defcustom gnus-button-url-regexp "\\b\\(s?https?\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\):\\(//[-a-zA-Z0-9_.]+:[0-9]*\\)?[-\\wa-zA-Z0-9_=!?#$@~`%&*+|\\/:;.,]*[-\\wa-zA-Z0-9_=#$@~`%&*+|\\/]"
+(defcustom gnus-button-url-regexp "\\b\\(s?https?\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\):\\(//[-a-zA-Z0-9_.]+:[0-9]*\\)?\\([-a-zA-Z0-9_=!?#$@~`%&*+|\\/:;.,]\\|\\w\\)+\\([-a-zA-Z0-9_=#$@~`%&*+|\\/]\\|\\w\\)"
"Regular expression that matches URLs."
- :group 'article
+ :group 'gnus-article-buttons
:type 'regexp)
-(defcustom gnus-button-alist
- `(("\\bin\\( +article\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)" 2
+(defcustom gnus-button-alist
+ `(("<\\(url: ?\\)?news:\\([^>\n\t ]*@[^>\n\t ]*\\)>" 0 t
+ gnus-button-message-id 2)
+ ("\\bnews:\\([^>\n\t ]*@[^>\n\t ]*+\\)" 0 t gnus-button-message-id 1)
+ ("\\(\\b<\\(url: ?\\)?news:\\(//\\)?\\([^>\n\t ]*\\)>\\)" 1 t
+ gnus-button-fetch-group 4)
+ ("\\bnews:\\(//\\)?\\([^>\n\t ]+\\)" 0 t gnus-button-fetch-group 2)
+ ("\\bin\\( +article\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)" 2
t gnus-button-message-id 3)
- ("\\(<?\\(url: ?\\)?news://\\([^>\n\t ]*\\)>?\\)" 1 t
- gnus-button-fetch-group 3)
- ("\\(<?\\(url: ?\\)?news:\\([^>\n\t ]*\\)>?\\)" 1 t
- gnus-button-message-id 3)
- ("\\(<URL: *\\)?mailto: *\\([^> \n\t]+\\)>?" 0 t gnus-url-mailto 2)
+ ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>" 0 t gnus-url-mailto 1)
+ ("\\bmailto:\\([^ \n\t]+\\)" 0 t gnus-url-mailto 2)
;; This is how URLs _should_ be embedded in text...
- ("<URL: *\\([^\n\r>]*\\)>" 0 t gnus-button-url 1)
- ;; Next regexp stolen from highlight-headers.el.
- ;; Modified by Vladimir Alexiev.
+ ("<URL: *\\([^>]*\\)>" 0 t gnus-button-embedded-url 1)
+ ;; Raw URLs.
(,gnus-button-url-regexp 0 t gnus-button-url 0))
"Alist of regexps matching buttons in article bodies.
REGEXP: is the string matching text around the button,
BUTTON: is the number of the regexp grouping actually matching the button,
FORM: is a lisp expression which must eval to true for the button to
-be added,
+be added,
CALLBACK: is the function to call when the user push this button, and each
PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
CALLBACK can also be a variable, in that case the value of that
variable it the real callback function."
- :group 'article
- :type '(repeat (list regexp
+ :group 'gnus-article-buttons
+ :type '(repeat (list regexp
(integer :tag "Button")
(sexp :tag "Form")
(function :tag "Callback")
:inline t
(integer :tag "Regexp group")))))
-(defcustom gnus-header-button-alist
+(defcustom gnus-header-button-alist
`(("^\\(References\\|Message-I[Dd]\\):" "<[^>]+>"
0 t gnus-button-message-id 0)
("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$" 1 t gnus-button-reply 1)
- ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
+ ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
0 t gnus-button-mailto 0)
("^X-[Uu][Rr][Ll]:" ,gnus-button-url-regexp 0 t gnus-button-url 0)
("^[^:]+:" ,gnus-button-url-regexp 0 t gnus-button-url 0)
HEADER is a regexp to match a header. For a fuller explanation, see
`gnus-button-alist'."
- :group 'article
+ :group 'gnus-article-buttons
+ :group 'gnus-article-headers
:type '(repeat (list (regexp :tag "Header")
- regexp
+ regexp
(integer :tag "Button")
(sexp :tag "Form")
(function :tag "Callback")
(defun gnus-article-highlight (&optional force)
"Highlight current article.
This function calls `gnus-article-highlight-headers',
-`gnus-article-highlight-citation',
+`gnus-article-highlight-citation',
`gnus-article-highlight-signature', and `gnus-article-add-buttons' to
do the highlighting. See the documentation for those functions."
(interactive (list 'force))
(case-fold-search t)
(inhibit-point-motion-hooks t)
entry regexp header-face field-face from hpoints fpoints)
- (goto-char (point-min))
- (when (search-forward "\n\n" nil t)
- (narrow-to-region (1- (point)) (point-min))
- (while (setq entry (pop alist))
- (goto-char (point-min))
- (setq regexp (concat "^\\("
- (if (string-equal "" (nth 0 entry))
- "[^\t ]"
- (nth 0 entry))
- "\\)")
- header-face (nth 1 entry)
- field-face (nth 2 entry))
- (while (and (re-search-forward regexp nil t)
- (not (eobp)))
- (beginning-of-line)
- (setq from (point))
- (unless (search-forward ":" nil t)
- (forward-char 1))
- (when (and header-face
- (not (memq (point) hpoints)))
- (push (point) hpoints)
- (gnus-put-text-property from (point) 'face header-face))
- (when (and field-face
- (not (memq (setq from (point)) fpoints)))
- (push from fpoints)
- (if (re-search-forward "^[^ \t]" nil t)
- (forward-char -2)
- (goto-char (point-max)))
- (gnus-put-text-property from (point) 'face field-face)))))))))
+ (message-narrow-to-head)
+ (while (setq entry (pop alist))
+ (goto-char (point-min))
+ (setq regexp (concat "^\\("
+ (if (string-equal "" (nth 0 entry))
+ "[^\t ]"
+ (nth 0 entry))
+ "\\)")
+ header-face (nth 1 entry)
+ field-face (nth 2 entry))
+ (while (and (re-search-forward regexp nil t)
+ (not (eobp)))
+ (beginning-of-line)
+ (setq from (point))
+ (unless (search-forward ":" nil t)
+ (forward-char 1))
+ (when (and header-face
+ (not (memq (point) hpoints)))
+ (push (point) hpoints)
+ (gnus-put-text-property from (point) 'face header-face))
+ (when (and field-face
+ (not (memq (setq from (point)) fpoints)))
+ (push from fpoints)
+ (if (re-search-forward "^[^ \t]" nil t)
+ (forward-char -2)
+ (goto-char (point-max)))
+ (gnus-put-text-property from (point) 'face field-face))))))))
(defun gnus-article-highlight-signature ()
"Highlight the signature in an article.
It does this by highlighting everything after
-`gnus-signature-separator' using `gnus-signature-face'."
+`gnus-signature-separator' using `gnus-signature-face'."
(interactive)
(save-excursion
(set-buffer gnus-article-buffer)
(inhibit-point-motion-hooks t))
(save-restriction
(when (and gnus-signature-face
- (article-narrow-to-signature))
+ (gnus-article-narrow-to-signature))
(gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
'face gnus-signature-face)
(widen)
- (article-search-signature)
+ (gnus-article-search-signature)
(let ((start (match-beginning 0))
(end (set-marker (make-marker) (1+ (match-end 0)))))
(gnus-article-add-button start (1- end) 'gnus-signature-toggle
end)))))))
+(defun gnus-button-in-region-p (b e prop)
+ "Say whether PROP exists in the region."
+ (text-property-not-all b e prop nil))
+
(defun gnus-article-add-buttons (&optional force)
"Find external references in the article and make buttons of them.
\"External references\" are things like Message-IDs and URLs, as
(interactive (list 'force))
(save-excursion
(set-buffer gnus-article-buffer)
- ;; Remove all old markers.
- (while gnus-button-marker-list
- (set-marker (pop gnus-button-marker-list) nil))
(let ((buffer-read-only nil)
(inhibit-point-motion-hooks t)
(case-fold-search t)
(alist gnus-button-alist)
beg entry regexp)
- (goto-char (point-min))
+ ;; Remove all old markers.
+ (let (marker entry)
+ (while (setq marker (pop gnus-button-marker-list))
+ (goto-char marker)
+ (when (setq entry (gnus-button-entry))
+ (put-text-property (match-beginning (nth 1 entry))
+ (match-end (nth 1 entry))
+ 'gnus-callback nil))
+ (set-marker marker nil)))
;; We skip the headers.
+ (goto-char (point-min))
(unless (search-forward "\n\n" nil t)
(goto-char (point-max)))
(setq beg (point))
(let* ((start (and entry (match-beginning (nth 1 entry))))
(end (and entry (match-end (nth 1 entry))))
(from (match-beginning 0)))
- (when (or (eq t (nth 1 entry))
- (eval (nth 1 entry)))
+ (when (and (or (eq t (nth 1 entry))
+ (eval (nth 1 entry)))
+ (not (gnus-button-in-region-p
+ start end 'gnus-callback)))
;; That optional form returned non-nil, so we add the
- ;; button.
- (gnus-article-add-button
- start end 'gnus-button-push
+ ;; button.
+ (gnus-article-add-button
+ start end 'gnus-button-push
(car (push (set-marker (make-marker) from)
gnus-button-marker-list))))))))))
(form (nth 2 entry)))
(goto-char (match-end 0))
(when (eval form)
- (gnus-article-add-button
+ (gnus-article-add-button
start end (nth 3 entry)
(buffer-substring (match-beginning (nth 4 entry))
(match-end (nth 4 entry)))))))
(when gnus-article-button-face
(gnus-overlay-put (gnus-make-overlay from to)
'face gnus-article-button-face))
- (gnus-add-text-properties
+ (gnus-add-text-properties
from to
(nconc (and gnus-article-mouse-face
(list gnus-mouse-face-prop gnus-article-mouse-face))
(let ((buffer-read-only nil)
(inhibit-point-motion-hooks t))
(if (get-text-property end 'invisible)
- (article-unhide-text end (point-max))
- (article-hide-text end (point-max) gnus-hidden-properties)))))
+ (gnus-article-unhide-text end (point-max))
+ (gnus-article-hide-text end (point-max) gnus-hidden-properties)))))
(defun gnus-button-entry ()
;; Return the first entry in `gnus-button-alist' matching this place.
(inhibit-point-motion-hooks t)
(fun (nth 3 entry))
(args (mapcar (lambda (group)
- (let ((string (buffer-substring
- (match-beginning group)
- (match-end group))))
+ (let ((string (match-string group)))
(gnus-set-text-properties
0 (length string) nil string)
string))
(defun gnus-button-fetch-group (address)
"Fetch GROUP specified by ADDRESS."
- (if (not (string-match "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\(.*\\)$" address))
- (error "Can't parse %s" address)
- (gnus-group-read-ephemeral-group
- (match-string 4 address)
- `(nntp ,(match-string 1 address) (nntp-address ,(match-string 1 address))
- (nntp-port-number ,(if (match-end 3)
- (match-string 3 address)
- "nntp"))))))
+ (if (not (string-match "[:/]" address))
+ ;; This is just a simple group url.
+ (gnus-group-read-ephemeral-group address gnus-select-method)
+ (if (not (string-match "^\\([^:/]+\\)\\(:\\([^/]+\\)/\\)?\\(.*\\)$"
+ address))
+ (error "Can't parse %s" address)
+ (gnus-group-read-ephemeral-group
+ (match-string 4 address)
+ `(nntp ,(match-string 1 address)
+ (nntp-address ,(match-string 1 address))
+ (nntp-port-number ,(if (match-end 3)
+ (match-string 3 address)
+ "nntp")))))))
(defun gnus-split-string (string pattern)
"Return a list of substrings of STRING which are separated by PATTERN."
(setq parts (cons (substring string start (match-beginning 0)) parts)
start (match-end 0)))
(nreverse (cons (substring string start) parts))))
-
+
(defun gnus-url-parse-query-string (query &optional downcase)
(let (retval pairs cur key val)
(setq pairs (gnus-split-string query "&"))
(setcdr cur (cons val (cdr cur)))
(setq retval (cons (list key val) retval)))))
retval))
-
+
(defun gnus-url-unhex (x)
(if (> x ?9)
(if (>= x ?a)
(+ 10 (- x ?a))
(+ 10 (- x ?A)))
(- x ?0)))
-
+
(defun gnus-url-unhex-string (str &optional allow-newlines)
"Remove %XXX embedded spaces, etc in a url.
If optional second argument ALLOW-NEWLINES is non-nil, then allow the
(ch1 (gnus-url-unhex (elt str (+ start 1))))
(code (+ (* 16 ch1)
(gnus-url-unhex (elt str (+ start 2))))))
- (setq tmp (concat
+ (setq tmp (concat
tmp (substring str 0 start)
(cond
(allow-newlines
str (substring str (match-end 0)))))
(setq tmp (concat tmp str))
tmp))
-
+
(defun gnus-url-mailto (url)
;; Send mail to someone
- (if (not (string-match "mailto:/*\\(.*\\)" url))
- (error "Malformed mailto link: %s" url))
- (setq url (substring url (match-beginning 1) nil))
+ (when (string-match "mailto:/*\\(.*\\)" url)
+ (setq url (substring url (match-beginning 1) nil)))
(let (to args source-url subject func)
(if (string-match (regexp-quote "?") url)
(setq to (gnus-url-unhex-string (substring url 0 (match-beginning 0)))
"Browse ADDRESS."
(funcall browse-url-browser-function address))
+(defun gnus-button-embedded-url (address)
+ "Browse ADDRESS."
+ (funcall browse-url-browser-function (gnus-strip-whitespace address)))
+
;;; Next/prev buttons in the article buffer.
(defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
(defun gnus-insert-prev-page-button ()
(let ((buffer-read-only nil))
- (gnus-eval-format
+ (gnus-eval-format
gnus-prev-page-line-format nil
`(gnus-prev t local-map ,gnus-prev-page-map
gnus-callback gnus-article-button-prev-page))))
(let ((buffer-read-only nil))
(gnus-eval-format gnus-next-page-line-format nil
`(gnus-next t local-map ,gnus-next-page-map
- gnus-callback
+ gnus-callback
gnus-article-button-next-page))))
(defun gnus-article-button-next-page (arg)
(let ((win (selected-window)))
(select-window (get-buffer-window gnus-article-buffer t))
(gnus-article-prev-page)
- (select-window win)))
+ (select-window win)))
+
+(gnus-ems-redefine)
(provide 'gnus-art)
+(run-hooks 'gnus-art-load-hook)
+
;;; gnus-art.el ends here
projects / gnus / blobdiff