1 ;;; gnus-art.el --- article mode commands for Gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001
3 ;; Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
29 (eval-when-compile (require 'cl))
42 (autoload 'gnus-msg-mail "gnus-msg" nil t)
43 (autoload 'gnus-button-mailto "gnus-msg")
44 (autoload 'gnus-button-reply "gnus-msg" nil t)
46 (defgroup gnus-article nil
48 :link '(custom-manual "(gnus)The Article Buffer")
51 (defgroup gnus-article-treat nil
52 "Treating article parts."
53 :link '(custom-manual "(gnus)Article Hiding")
56 (defgroup gnus-article-hiding nil
57 "Hiding article parts."
58 :link '(custom-manual "(gnus)Article Hiding")
61 (defgroup gnus-article-highlight nil
62 "Article highlighting."
63 :link '(custom-manual "(gnus)Article Highlighting")
67 (defgroup gnus-article-signature nil
69 :link '(custom-manual "(gnus)Article Signature")
72 (defgroup gnus-article-headers nil
74 :link '(custom-manual "(gnus)Hiding Headers")
77 (defgroup gnus-article-washing nil
78 "Special commands on articles."
79 :link '(custom-manual "(gnus)Article Washing")
82 (defgroup gnus-article-emphasis nil
83 "Fontisizing articles."
84 :link '(custom-manual "(gnus)Article Fontisizing")
87 (defgroup gnus-article-saving nil
89 :link '(custom-manual "(gnus)Saving Articles")
92 (defgroup gnus-article-mime nil
93 "Worshiping the MIME wonder."
94 :link '(custom-manual "(gnus)Using MIME")
97 (defgroup gnus-article-buttons nil
98 "Pushable buttons in the article buffer."
99 :link '(custom-manual "(gnus)Article Buttons")
100 :group 'gnus-article)
102 (defgroup gnus-article-various nil
103 "Other article options."
104 :link '(custom-manual "(gnus)Misc Article")
105 :group 'gnus-article)
107 (defcustom gnus-ignored-headers
108 '("^Path:" "^Expires:" "^Date-Received:" "^References:" "^Xref:" "^Lines:"
109 "^Relay-Version:" "^Message-ID:" "^Approved:" "^Sender:" "^Received:"
110 "^X-UIDL:" "^MIME-Version:" "^Return-Path:" "^In-Reply-To:"
111 "^Content-Type:" "^Content-Transfer-Encoding:" "^X-WebTV-Signature:"
112 "^X-MimeOLE:" "^X-MSMail-Priority:" "^X-Priority:" "^X-Loop:"
113 "^X-Authentication-Warning:" "^X-MIME-Autoconverted:" "^X-Face:"
114 "^X-Attribution:" "^X-Originating-IP:" "^Delivered-To:"
115 "^NNTP-[-A-Za-z]+:" "^Distribution:" "^X-no-archive:" "^X-Trace:"
116 "^X-Complaints-To:" "^X-NNTP-Posting-Host:" "^X-Orig.*:"
117 "^Abuse-Reports-To:" "^Cache-Post-Path:" "^X-Article-Creation-Date:"
118 "^X-Poster:" "^X-Mail2News-Path:" "^X-Server-Date:" "^X-Cache:"
119 "^Originator:" "^X-Problems-To:" "^X-Auth-User:" "^X-Post-Time:"
120 "^X-Admin:" "^X-UID:" "^Resent-[-A-Za-z]+:" "^X-Mailing-List:"
121 "^Precedence:" "^Original-[-A-Za-z]+:" "^X-filename:" "^X-Orcpt:"
122 "^Old-Received:" "^X-Pgp" "^X-Auth:" "^X-From-Line:"
123 "^X-Gnus-Article-Number:" "^X-Majordomo:" "^X-Url:" "^X-Sender:"
124 "^MBOX-Line" "^Priority:" "^X400-[-A-Za-z]+:"
125 "^Status:" "^X-Gnus-Mail-Source:" "^Cancel-Lock:"
126 "^X-FTN" "^X-EXP32-SerialNo:" "^Encoding:" "^Importance:"
127 "^Autoforwarded:" "^Original-Encoded-Information-Types:" "^X-Ya-Pop3:"
128 "^X-Face-Version:" "^X-Vms-To:" "^X-ML-NAME:" "^X-ML-COUNT:"
129 "^Mailing-List:" "^X-finfo:" "^X-md5sum:" "^X-md5sum-Origin:"
130 "^X-Sun-Charset:" "^X-Accept-Language:" "^X-Envelope-Sender:"
131 "^List-[A-Za-z]+:" "^X-Listprocessor-Version:"
132 "^X-Received:" "^X-Distribute:" "^X-Sequence:" "^X-Juno-Line-Breaks:"
133 "^X-Notes-Item:" "^X-MS-TNEF-Correlator:" "^x-uunet-gateway:"
134 "^X-Received:" "^Content-length:" "X-precedence:"
135 "^X-Authenticated-User:" "^X-Comment" "^X-Report:" "^X-Abuse-Info:"
136 "^X-HTTP-Proxy:" "^X-Mydeja-Info:" "^X-Copyright" "^X-No-Markup:"
138 "*All headers that start with this regexp will be hidden.
139 This variable can also be a list of regexps of headers to be ignored.
140 If `gnus-visible-headers' is non-nil, this variable will be ignored."
141 :type '(choice :custom-show nil
144 :group 'gnus-article-hiding)
146 (defcustom gnus-visible-headers
147 "^From:\\|^Newsgroups:\\|^Subject:\\|^Date:\\|^Followup-To:\\|^Reply-To:\\|^Organization:\\|^Summary:\\|^Keywords:\\|^To:\\|^[BGF]?Cc:\\|^Posted-To:\\|^Mail-Copies-To:\\|^Mail-Followup-To:\\|^Apparently-To:\\|^Gnus-Warning:\\|^Resent-From:\\|^X-Sent:"
148 "*All headers that do not match this regexp will be hidden.
149 This variable can also be a list of regexp of headers to remain visible.
150 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
151 :type '(repeat :value-to-internal (lambda (widget value)
152 (custom-split-regexp-maybe value))
153 :match (lambda (widget value)
155 (widget-editable-list-match widget value)))
157 :group 'gnus-article-hiding)
159 (defcustom gnus-sorted-header-list
160 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
161 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
162 "*This variable is a list of regular expressions.
163 If it is non-nil, headers that match the regular expressions will
164 be placed first in the article buffer in the sequence specified by
166 :type '(repeat regexp)
167 :group 'gnus-article-hiding)
169 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
170 "Headers that are only to be displayed if they have interesting data.
171 Possible values in this list are `empty', `newsgroups', `followup-to',
172 `to-address', `reply-to', `date', `long-to', and `many-to'."
173 :type '(set (const :tag "Headers with no content." empty)
174 (const :tag "Newsgroups with only one group." newsgroups)
175 (const :tag "To identical to to-address." to-address)
176 (const :tag "Followup-to identical to newsgroups." followup-to)
177 (const :tag "Reply-to identical to from." reply-to)
178 (const :tag "Date less than four days old." date)
179 (const :tag "Very long To and/or Cc header." long-to)
180 (const :tag "Multiple To and/or Cc headers." many-to))
181 :group 'gnus-article-hiding)
183 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
184 "Regexp matching signature separator.
185 This can also be a list of regexps. In that case, it will be checked
186 from head to tail looking for a separator. Searches will be done from
187 the end of the buffer."
188 :type '(repeat string)
189 :group 'gnus-article-signature)
191 (defcustom gnus-signature-limit nil
192 "Provide a limit to what is considered a signature.
193 If it is a number, no signature may not be longer (in characters) than
194 that number. If it is a floating point number, no signature may be
195 longer (in lines) than that number. If it is a function, the function
196 will be called without any parameters, and if it returns nil, there is
197 no signature in the buffer. If it is a string, it will be used as a
198 regexp. If it matches, the text in question is not a signature."
199 :type '(choice (integer :value 200)
201 (function :value fun)
202 (regexp :value ".*"))
203 :group 'gnus-article-signature)
205 (defcustom gnus-hidden-properties '(invisible t intangible t)
206 "Property list to use for hiding text."
208 :group 'gnus-article-hiding)
210 ;; Fixme: This isn't the right thing for mixed graphical and and
211 ;; non-graphical frames in a session.
212 ;; gnus-xmas.el overrides this for XEmacs.
213 (defcustom gnus-article-x-face-command
214 (if (and (fboundp 'image-type-available-p)
215 (image-type-available-p 'xbm))
216 'gnus-article-display-xface
217 (if gnus-article-compface-xbm
218 "{ echo '/* Width=48, Height=48 */'; uncompface; } | display -"
219 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
221 "*String or function to be executed to display an X-Face header.
222 If it is a string, the command will be executed in a sub-shell
223 asynchronously. The compressed face will be piped to this command."
224 :type '(choice string
225 (function-item gnus-article-display-xface)
228 :group 'gnus-article-washing)
230 (defcustom gnus-article-x-face-too-ugly nil
231 "Regexp matching posters whose face shouldn't be shown automatically."
232 :type '(choice regexp (const nil))
233 :group 'gnus-article-washing)
235 (defcustom gnus-article-banner-alist nil
236 "Banner alist for stripping.
238 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
240 :type '(repeat (cons symbol regexp))
241 :group 'gnus-article-washing)
243 (gnus-define-group-parameter
246 "Alist of regexps (to match group names) and banner."
247 :variable-group gnus-article-washing
249 '(choice :tag "Banner"
251 (const :tag "Remove signature" signature)
252 (symbol :tag "Item in `gnus-article-banner-alist'" none)
254 (const :tag "None" nil))
256 "If non-nil, specify how to remove `banners' from articles.
258 Symbol `signature' means to remove signatures delimited by
259 `gnus-signature-separator'. Any other symbol is used to look up a
260 regular expression to match the banner in `gnus-article-banner-alist'.
261 A string is used as a regular expression to match the banner
264 (defcustom gnus-emphasis-alist
266 "\\(\\s-\\|^\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\s-\\|[-,;:\"]\\s-\\|[?!.]+\\s-\\|\\s)\\)")
268 '(("_" "_" underline)
271 ("_/" "/_" underline-italic)
272 ("_\\*" "\\*_" underline-bold)
273 ("\\*/" "/\\*" bold-italic)
274 ("_\\*/" "/\\*_" underline-bold-italic))))
275 `(("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
276 2 3 gnus-emphasis-underline)
280 (format format (car spec) (cadr spec))
281 2 3 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
283 "*Alist that says how to fontify certain phrases.
284 Each item looks like this:
286 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
288 The first element is a regular expression to be matched. The second
289 is a number that says what regular expression grouping used to find
290 the entire emphasized word. The third is a number that says what
291 regexp grouping should be displayed and highlighted. The fourth
292 is the face used for highlighting."
293 :type '(repeat (list :value ("" 0 0 default)
295 (integer :tag "Match group")
296 (integer :tag "Emphasize group")
298 :group 'gnus-article-emphasis)
300 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
301 "A regexp to describe whitespace which should not be emphasized.
302 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
303 The former avoids underlining of leading and trailing whitespace,
304 and the latter avoids underlining any whitespace at all."
306 :group 'gnus-article-emphasis
309 (defface gnus-emphasis-bold '((t (:bold t)))
310 "Face used for displaying strong emphasized text (*word*)."
311 :group 'gnus-article-emphasis)
313 (defface gnus-emphasis-italic '((t (:italic t)))
314 "Face used for displaying italic emphasized text (/word/)."
315 :group 'gnus-article-emphasis)
317 (defface gnus-emphasis-underline '((t (:underline t)))
318 "Face used for displaying underlined emphasized text (_word_)."
319 :group 'gnus-article-emphasis)
321 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
322 "Face used for displaying underlined bold emphasized text (_*word*_)."
323 :group 'gnus-article-emphasis)
325 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
326 "Face used for displaying underlined italic emphasized text (_/word/_)."
327 :group 'gnus-article-emphasis)
329 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
330 "Face used for displaying bold italic emphasized text (/*word*/)."
331 :group 'gnus-article-emphasis)
333 (defface gnus-emphasis-underline-bold-italic
334 '((t (:bold t :italic t :underline t)))
335 "Face used for displaying underlined bold italic emphasized text.
336 Esample: (_/*word*/_)."
337 :group 'gnus-article-emphasis)
339 (defface gnus-emphasis-highlight-words
340 '((t (:background "black" :foreground "yellow")))
341 "Face used for displaying highlighted words."
342 :group 'gnus-article-emphasis)
344 (defcustom gnus-article-time-format "%a, %b %d %Y %T %Z"
345 "Format for display of Date headers in article bodies.
346 See `format-time-string' for the possible values.
348 The variable can also be function, which should return a complete Date
349 header. The function is called with one argument, the time, which can
350 be fed to `format-time-string'."
351 :type '(choice string symbol)
352 :link '(custom-manual "(gnus)Article Date")
353 :group 'gnus-article-washing)
356 (autoload 'mail-extract-address-components "mail-extr"))
358 (defcustom gnus-save-all-headers t
359 "*If non-nil, don't remove any headers before saving."
360 :group 'gnus-article-saving
363 (defcustom gnus-prompt-before-saving 'always
364 "*This variable says how much prompting is to be done when saving articles.
365 If it is nil, no prompting will be done, and the articles will be
366 saved to the default files. If this variable is `always', each and
367 every article that is saved will be preceded by a prompt, even when
368 saving large batches of articles. If this variable is neither nil not
369 `always', there the user will be prompted once for a file name for
370 each invocation of the saving commands."
371 :group 'gnus-article-saving
372 :type '(choice (item always)
373 (item :tag "never" nil)
374 (sexp :tag "once" :format "%t\n" :value t)))
376 (defcustom gnus-saved-headers gnus-visible-headers
377 "Headers to keep if `gnus-save-all-headers' is nil.
378 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
379 If that variable is nil, however, all headers that match this regexp
380 will be kept while the rest will be deleted before saving."
381 :group 'gnus-article-saving
384 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
385 "A function to save articles in your favourite format.
386 The function must be interactively callable (in other words, it must
387 be an Emacs command).
389 Gnus provides the following functions:
391 * gnus-summary-save-in-rmail (Rmail format)
392 * gnus-summary-save-in-mail (Unix mail format)
393 * gnus-summary-save-in-folder (MH folder)
394 * gnus-summary-save-in-file (article format)
395 * gnus-summary-save-in-vm (use VM's folder format)
396 * gnus-summary-write-to-file (article format -- overwrite)."
397 :group 'gnus-article-saving
398 :type '(radio (function-item gnus-summary-save-in-rmail)
399 (function-item gnus-summary-save-in-mail)
400 (function-item gnus-summary-save-in-folder)
401 (function-item gnus-summary-save-in-file)
402 (function-item gnus-summary-save-in-vm)
403 (function-item gnus-summary-write-to-file)))
405 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
406 "A function generating a file name to save articles in Rmail format.
407 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
408 :group 'gnus-article-saving
411 (defcustom gnus-mail-save-name 'gnus-plain-save-name
412 "A function generating a file name to save articles in Unix mail format.
413 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
414 :group 'gnus-article-saving
417 (defcustom gnus-folder-save-name 'gnus-folder-save-name
418 "A function generating a file name to save articles in MH folder.
419 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
420 :group 'gnus-article-saving
423 (defcustom gnus-file-save-name 'gnus-numeric-save-name
424 "A function generating a file name to save articles in article format.
425 The function is called with NEWSGROUP, HEADERS, and optional
427 :group 'gnus-article-saving
430 (defcustom gnus-split-methods
431 '((gnus-article-archive-name)
432 (gnus-article-nndoc-name))
433 "*Variable used to suggest where articles are to be saved.
434 For instance, if you would like to save articles related to Gnus in
435 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
436 you could set this variable to something like:
438 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
439 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
441 This variable is an alist where the where the key is the match and the
442 value is a list of possible files to save in if the match is non-nil.
444 If the match is a string, it is used as a regexp match on the
445 article. If the match is a symbol, that symbol will be funcalled
446 from the buffer of the article to be saved with the newsgroup as the
447 parameter. If it is a list, it will be evaled in the same buffer.
449 If this form or function returns a string, this string will be used as
450 a possible file name; and if it returns a non-nil list, that list will
451 be used as possible file names."
452 :group 'gnus-article-saving
453 :type '(repeat (choice (list :value (fun) function)
454 (cons :value ("" "") regexp (repeat string))
457 (defcustom gnus-page-delimiter "^\^L"
458 "*Regexp describing what to use as article page delimiters.
459 The default value is \"^\^L\", which is a form linefeed at the
460 beginning of a line."
462 :group 'gnus-article-various)
464 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
465 "*The format specification for the article mode line.
466 See `gnus-summary-mode-line-format' for a closer description.
468 The following additional specs are available:
470 %w The article washing status.
471 %m The number of MIME parts in the article."
473 :group 'gnus-article-various)
475 (defcustom gnus-article-mode-hook nil
476 "*A hook for Gnus article mode."
478 :group 'gnus-article-various)
480 (when (featurep 'xemacs)
481 ;; Extracted from gnus-xmas-define in order to preserve user settings
482 (when (fboundp 'turn-off-scroll-in-place)
483 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
484 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
485 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
487 (defcustom gnus-article-menu-hook nil
488 "*Hook run after the creation of the article mode menu."
490 :group 'gnus-article-various)
492 (defcustom gnus-article-prepare-hook nil
493 "*A hook called after an article has been prepared in the article buffer."
495 :group 'gnus-article-various)
497 (defcustom gnus-article-hide-pgp-hook nil
498 "*A hook called after successfully hiding a PGP signature."
500 :group 'gnus-article-various)
502 (defcustom gnus-article-button-face 'bold
503 "Face used for highlighting buttons in the article buffer.
505 An article button is a piece of text that you can activate by pressing
506 `RET' or `mouse-2' above it."
508 :group 'gnus-article-buttons)
510 (defcustom gnus-article-mouse-face 'highlight
511 "Face used for mouse highlighting in the article buffer.
513 Article buttons will be displayed in this face when the cursor is
516 :group 'gnus-article-buttons)
518 (defcustom gnus-signature-face 'gnus-signature-face
519 "Face used for highlighting a signature in the article buffer.
520 Obsolete; use the face `gnus-signature-face' for customizations instead."
522 :group 'gnus-article-highlight
523 :group 'gnus-article-signature)
525 (defface gnus-signature-face
528 "Face used for highlighting a signature in the article buffer."
529 :group 'gnus-article-highlight
530 :group 'gnus-article-signature)
532 (defface gnus-header-from-face
535 (:foreground "spring green"))
538 (:foreground "red3"))
541 "Face used for displaying from headers."
542 :group 'gnus-article-headers
543 :group 'gnus-article-highlight)
545 (defface gnus-header-subject-face
548 (:foreground "SeaGreen3"))
551 (:foreground "red4"))
553 (:bold t :italic t)))
554 "Face used for displaying subject headers."
555 :group 'gnus-article-headers
556 :group 'gnus-article-highlight)
558 (defface gnus-header-newsgroups-face
561 (:foreground "yellow" :italic t))
564 (:foreground "MidnightBlue" :italic t))
567 "Face used for displaying newsgroups headers."
568 :group 'gnus-article-headers
569 :group 'gnus-article-highlight)
571 (defface gnus-header-name-face
574 (:foreground "SeaGreen"))
577 (:foreground "maroon"))
580 "Face used for displaying header names."
581 :group 'gnus-article-headers
582 :group 'gnus-article-highlight)
584 (defface gnus-header-content-face
587 (:foreground "forest green" :italic t))
590 (:foreground "indianred4" :italic t))
592 (:italic t))) "Face used for displaying header content."
593 :group 'gnus-article-headers
594 :group 'gnus-article-highlight)
596 (defcustom gnus-header-face-alist
597 '(("From" nil gnus-header-from-face)
598 ("Subject" nil gnus-header-subject-face)
599 ("Newsgroups:.*," nil gnus-header-newsgroups-face)
600 ("" gnus-header-name-face gnus-header-content-face))
601 "*Controls highlighting of article header.
603 An alist of the form (HEADER NAME CONTENT).
605 HEADER is a regular expression which should match the name of an
606 header header and NAME and CONTENT are either face names or nil.
608 The name of each header field will be displayed using the face
609 specified by the first element in the list where HEADER match the
610 header name and NAME is non-nil. Similarly, the content will be
611 displayed by the first non-nil matching CONTENT face."
612 :group 'gnus-article-headers
613 :group 'gnus-article-highlight
614 :type '(repeat (list (regexp :tag "Header")
616 (item :tag "skip" nil)
617 (face :value default))
618 (choice :tag "Content"
619 (item :tag "skip" nil)
620 (face :value default)))))
622 (defcustom gnus-article-decode-hook
623 '(article-decode-charset article-decode-encoded-words)
624 "*Hook run to decode charsets in articles."
625 :group 'gnus-article-headers
628 (defcustom gnus-display-mime-function 'gnus-display-mime
629 "Function to display MIME articles."
630 :group 'gnus-article-mime
633 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
634 "Function used to decode headers.")
636 (defvar gnus-article-dumbquotes-map
655 "Table for MS-to-Latin1 translation.")
657 (defcustom gnus-ignored-mime-types nil
658 "List of MIME types that should be ignored by Gnus."
660 :group 'gnus-article-mime
661 :type '(repeat regexp))
663 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
664 "List of MIME types that should not be given buttons when rendered inline."
666 :group 'gnus-article-mime
667 :type '(repeat regexp))
669 (defcustom gnus-article-mime-part-function nil
670 "Function called with a MIME handle as the argument.
671 This is meant for people who want to do something automatic based
672 on parts -- for instance, adding Vcard info to a database."
673 :group 'gnus-article-mime
676 (defcustom gnus-mime-multipart-functions nil
677 "An alist of MIME types to functions to display them."
679 :group 'gnus-article-mime
682 (defcustom gnus-article-date-lapsed-new-header nil
683 "Whether the X-Sent and Date headers can coexist.
684 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
685 either replace the old \"Date:\" header (if this variable is nil), or
686 be added below it (otherwise)."
688 :group 'gnus-article-headers
691 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
692 "Function called with a MIME handle as the argument.
693 This is meant for people who want to view first matched part.
694 For `undisplayed-alternative' (default), the first undisplayed
695 part or alternative part is used. For `undisplayed', the first
696 undisplayed part is used. For a function, the first part which
697 the function return `t' is used. For `nil', the first part is
700 :group 'gnus-article-mime
702 (item :tag "first" :value nil)
703 (item :tag "undisplayed" :value undisplayed)
704 (item :tag "undisplayed or alternative"
705 :value undisplayed-alternative)
708 (defcustom gnus-mime-action-alist
709 '(("save to file" . gnus-mime-save-part)
710 ("save and strip" . gnus-mime-save-part-and-strip)
711 ("display as text" . gnus-mime-inline-part)
712 ("view the part" . gnus-mime-view-part)
713 ("pipe to command" . gnus-mime-pipe-part)
714 ("toggle display" . gnus-article-press-button)
715 ("toggle display" . gnus-article-view-part-as-charset)
716 ("view as type" . gnus-mime-view-part-as-type)
717 ("internalize type" . gnus-mime-internalize-part)
718 ("externalize type" . gnus-mime-externalize-part))
719 "An alist of actions that run on the MIME attachment."
720 :group 'gnus-article-mime
721 :type '(repeat (cons (string :tag "name")
724 (defcustom gnus-mime-action-alist
725 '(("save to file" . gnus-mime-save-part)
726 ("display as text" . gnus-mime-inline-part)
727 ("view the part" . gnus-mime-view-part)
728 ("pipe to command" . gnus-mime-pipe-part)
729 ("toggle display" . gnus-article-press-button)
730 ("view as type" . gnus-mime-view-part-as-type)
731 ("internalize type" . gnus-mime-internalize-part)
732 ("externalize type" . gnus-mime-externalize-part))
733 "An alist of actions that run on the MIME attachment."
735 :group 'gnus-article-mime
736 :type '(repeat (cons (string :tag "name")
740 ;;; The treatment variables
743 (defvar gnus-part-display-hook nil
744 "Hook called on parts that are to receive treatment.")
746 (defvar gnus-article-treat-custom
747 '(choice (const :tag "Off" nil)
749 (const :tag "Header" head)
750 (const :tag "Last" last)
751 (integer :tag "Less")
752 (repeat :tag "Groups" regexp)
753 (sexp :tag "Predicate")))
755 (defvar gnus-article-treat-head-custom
756 '(choice (const :tag "Off" nil)
757 (const :tag "Header" head)))
759 (defvar gnus-article-treat-types '("text/plain")
762 (defvar gnus-inhibit-treatment nil
763 "Whether to inhibit treatment.")
765 (defcustom gnus-treat-highlight-signature '(or last (typep "text/x-vcard"))
766 "Highlight the signature.
767 Valid values are nil, t, `head', `last', an integer or a predicate.
768 See the manual for details."
769 :group 'gnus-article-treat
770 :type gnus-article-treat-custom)
771 (put 'gnus-treat-highlight-signature 'highlight t)
773 (defcustom gnus-treat-buttonize 100000
775 Valid values are nil, t, `head', `last', an integer or a predicate.
776 See the manual for details."
777 :group 'gnus-article-treat
778 :type gnus-article-treat-custom)
779 (put 'gnus-treat-buttonize 'highlight t)
781 (defcustom gnus-treat-buttonize-head 'head
782 "Add buttons to the head.
783 Valid values are nil, t, `head', `last', an integer or a predicate.
784 See the manual for details."
785 :group 'gnus-article-treat
786 :type gnus-article-treat-head-custom)
787 (put 'gnus-treat-buttonize-head 'highlight t)
789 (defcustom gnus-treat-emphasize
790 (and (or window-system
792 (>= (string-to-number emacs-version) 21))
795 Valid values are nil, t, `head', `last', an integer or a predicate.
796 See the manual for details."
797 :group 'gnus-article-treat
798 :type gnus-article-treat-custom)
799 (put 'gnus-treat-emphasize 'highlight t)
801 (defcustom gnus-treat-strip-cr nil
802 "Remove carriage returns.
803 Valid values are nil, t, `head', `last', an integer or a predicate.
804 See the manual for details."
805 :group 'gnus-article-treat
806 :type gnus-article-treat-custom)
808 (defcustom gnus-treat-hide-headers 'head
810 Valid values are nil, t, `head', `last', an integer or a predicate.
811 See the manual for details."
812 :group 'gnus-article-treat
813 :type gnus-article-treat-head-custom)
815 (defcustom gnus-treat-hide-boring-headers nil
816 "Hide boring headers.
817 Valid values are nil, t, `head', `last', an integer or a predicate.
818 See the manual for details."
819 :group 'gnus-article-treat
820 :type gnus-article-treat-head-custom)
822 (defcustom gnus-treat-hide-signature nil
824 Valid values are nil, t, `head', `last', an integer or a predicate.
825 See the manual for details."
826 :group 'gnus-article-treat
827 :type gnus-article-treat-custom)
829 (defcustom gnus-treat-fill-article nil
831 Valid values are nil, t, `head', `last', an integer or a predicate.
832 See the manual for details."
833 :group 'gnus-article-treat
834 :type gnus-article-treat-custom)
836 (defcustom gnus-treat-hide-citation nil
838 Valid values are nil, t, `head', `last', an integer or a predicate.
839 See the manual for details."
840 :group 'gnus-article-treat
841 :type gnus-article-treat-custom)
843 (defcustom gnus-treat-hide-citation-maybe nil
845 Valid values are nil, t, `head', `last', an integer or a predicate.
846 See the manual for details."
847 :group 'gnus-article-treat
848 :type gnus-article-treat-custom)
850 (defcustom gnus-treat-hide-citation-maybe nil
852 Valid values are nil, t, `head', `last', an integer or a predicate.
853 See the manual for details."
854 :group 'gnus-article-treat
855 :type gnus-article-treat-custom)
857 (defcustom gnus-treat-strip-list-identifiers 'head
858 "Strip list identifiers from `gnus-list-identifiers`.
859 Valid values are nil, t, `head', `last', an integer or a predicate.
860 See the manual for details."
862 :group 'gnus-article-treat
863 :type gnus-article-treat-custom)
865 (defcustom gnus-treat-strip-pgp t
866 "Strip PGP signatures.
867 Valid values are nil, t, `head', `last', an integer or a predicate.
868 See the manual for details."
869 :group 'gnus-article-treat
870 :type gnus-article-treat-custom)
872 (defcustom gnus-treat-strip-pem nil
873 "Strip PEM signatures.
874 Valid values are nil, t, `head', `last', an integer or a predicate.
875 See the manual for details."
876 :group 'gnus-article-treat
877 :type gnus-article-treat-custom)
879 (defcustom gnus-treat-strip-banner t
880 "Strip banners from articles.
881 The banner to be stripped is specified in the `banner' group parameter.
882 Valid values are nil, t, `head', `last', an integer or a predicate.
883 See the manual for details."
884 :group 'gnus-article-treat
885 :type gnus-article-treat-custom)
887 (defcustom gnus-treat-highlight-headers 'head
888 "Highlight the headers.
889 Valid values are nil, t, `head', `last', an integer or a predicate.
890 See the manual for details."
891 :group 'gnus-article-treat
892 :type gnus-article-treat-head-custom)
893 (put 'gnus-treat-highlight-headers 'highlight t)
895 (defcustom gnus-treat-highlight-citation t
896 "Highlight cited text.
897 Valid values are nil, t, `head', `last', an integer or a predicate.
898 See the manual for details."
899 :group 'gnus-article-treat
900 :type gnus-article-treat-custom)
901 (put 'gnus-treat-highlight-citation 'highlight t)
903 (defcustom gnus-treat-date-ut nil
904 "Display the Date in UT (GMT).
905 Valid values are nil, t, `head', `last', an integer or a predicate.
906 See the manual for details."
907 :group 'gnus-article-treat
908 :type gnus-article-treat-head-custom)
910 (defcustom gnus-treat-date-local nil
911 "Display the Date in the local timezone.
912 Valid values are nil, t, `head', `last', an integer or a predicate.
913 See the manual for details."
914 :group 'gnus-article-treat
915 :type gnus-article-treat-head-custom)
917 (defcustom gnus-treat-date-english nil
918 "Display the Date in a format that can be read aloud in English.
919 Valid values are nil, t, `head', `last', an integer or a predicate.
920 See the manual for details."
921 :group 'gnus-article-treat
922 :type gnus-article-treat-head-custom)
924 (defcustom gnus-treat-date-lapsed nil
925 "Display the Date header in a way that says how much time has elapsed.
926 Valid values are nil, t, `head', `last', an integer or a predicate.
927 See the manual for details."
928 :group 'gnus-article-treat
929 :type gnus-article-treat-head-custom)
931 (defcustom gnus-treat-date-original nil
932 "Display the date in the original timezone.
933 Valid values are nil, t, `head', `last', an integer or a predicate.
934 See the manual for details."
935 :group 'gnus-article-treat
936 :type gnus-article-treat-head-custom)
938 (defcustom gnus-treat-date-iso8601 nil
939 "Display the date in the ISO8601 format.
940 Valid values are nil, t, `head', `last', an integer or a predicate.
941 See the manual for details."
943 :group 'gnus-article-treat
944 :type gnus-article-treat-head-custom)
946 (defcustom gnus-treat-date-user-defined nil
947 "Display the date in a user-defined format.
948 The format is defined by the `gnus-article-time-format' variable.
949 Valid values are nil, t, `head', `last', an integer or a predicate.
950 See the manual for details."
951 :group 'gnus-article-treat
952 :type gnus-article-treat-head-custom)
954 (defcustom gnus-treat-strip-headers-in-body t
955 "Strip the X-No-Archive header line from the beginning of the body.
956 Valid values are nil, t, `head', `last', an integer or a predicate.
957 See the manual for details."
959 :group 'gnus-article-treat
960 :type gnus-article-treat-custom)
962 (defcustom gnus-treat-strip-trailing-blank-lines nil
963 "Strip trailing blank lines.
964 Valid values are nil, t, `head', `last', an integer or a predicate.
965 See the manual for details."
966 :group 'gnus-article-treat
967 :type gnus-article-treat-custom)
969 (defcustom gnus-treat-strip-leading-blank-lines nil
970 "Strip leading blank lines.
971 Valid values are nil, t, `head', `last', an integer or a predicate.
972 See the manual for details."
973 :group 'gnus-article-treat
974 :type gnus-article-treat-custom)
976 (defcustom gnus-treat-strip-multiple-blank-lines nil
977 "Strip multiple blank lines.
978 Valid values are nil, t, `head', `last', an integer or a predicate.
979 See the manual for details."
980 :group 'gnus-article-treat
981 :type gnus-article-treat-custom)
983 (defcustom gnus-treat-overstrike t
984 "Treat overstrike highlighting.
985 Valid values are nil, t, `head', `last', an integer or a predicate.
986 See the manual for details."
987 :group 'gnus-article-treat
988 :type gnus-article-treat-custom)
989 (put 'gnus-treat-overstrike 'highlight t)
991 (defcustom gnus-treat-display-xface
992 (and (or (and (fboundp 'image-type-available-p)
993 (image-type-available-p 'xbm)
994 (string-match "^0x" (shell-command-to-string "uncompface")))
995 (and (featurep 'xemacs) (featurep 'xface)))
997 "Display X-Face headers.
998 Valid values are nil, t, `head', `last', an integer or a predicate.
999 See the manual for details."
1000 :group 'gnus-article-treat
1002 :type gnus-article-treat-head-custom)
1003 (put 'gnus-treat-display-xface 'highlight t)
1005 (defcustom gnus-treat-display-smileys
1006 (if (or (and (featurep 'xemacs)
1008 (and (fboundp 'image-type-available-p)
1009 (image-type-available-p 'pbm)))
1012 Valid values are nil, t, `head', `last', an integer or a predicate.
1013 See the manual for details."
1014 :group 'gnus-article-treat
1016 :type gnus-article-treat-custom)
1017 (put 'gnus-treat-display-smileys 'highlight t)
1019 (defcustom gnus-treat-display-picons (if (featurep 'xemacs) 'head nil)
1021 Valid values are nil, t, `head', `last', an integer or a predicate.
1022 See the manual for details."
1023 :group 'gnus-article-treat
1024 :type gnus-article-treat-head-custom)
1025 (put 'gnus-treat-display-picons 'highlight t)
1027 (defcustom gnus-treat-capitalize-sentences nil
1028 "Capitalize sentence-starting words.
1029 Valid values are nil, t, `head', `last', an integer or a predicate.
1030 See the manual for details."
1032 :group 'gnus-article-treat
1033 :type gnus-article-treat-custom)
1035 (defcustom gnus-treat-fill-long-lines nil
1037 Valid values are nil, t, `head', `last', an integer or a predicate.
1038 See the manual for details."
1039 :group 'gnus-article-treat
1040 :type gnus-article-treat-custom)
1042 (defcustom gnus-treat-play-sounds nil
1044 Valid values are nil, t, `head', `last', an integer or a predicate.
1045 See the manual for details."
1047 :group 'gnus-article-treat
1048 :type gnus-article-treat-custom)
1050 (defcustom gnus-treat-translate nil
1051 "Translate articles from one language to another.
1052 Valid values are nil, t, `head', `last', an integer or a predicate.
1053 See the manual for details."
1055 :group 'gnus-article-treat
1056 :type gnus-article-treat-custom)
1058 (defcustom gnus-treat-x-pgp-sig nil
1060 To automatically treat X-PGP-Sig, set it to head.
1061 Valid values are nil, t, `head', `last', an integer or a predicate.
1062 See the manual for details."
1063 :group 'gnus-article-treat
1064 :group 'mime-security
1065 :type gnus-article-treat-custom)
1067 (defvar gnus-article-encrypt-protocol-alist
1068 '(("PGP" . mml2015-self-encrypt)))
1070 ;; Set to nil if more than one protocol added to
1071 ;; gnus-article-encrypt-protocol-alist.
1072 (defcustom gnus-article-encrypt-protocol "PGP"
1073 "The protocol used for encrypt articles.
1074 It is a string, such as \"PGP\". If nil, ask user."
1076 :group 'mime-security)
1078 ;;; Internal variables
1080 (defvar gnus-english-month-names
1081 '("January" "February" "March" "April" "May" "June" "July" "August"
1082 "September" "October" "November" "December"))
1084 (defvar article-goto-body-goes-to-point-min-p nil)
1085 (defvar gnus-article-wash-types nil)
1086 (defvar gnus-article-emphasis-alist nil)
1088 (defvar gnus-article-mime-handle-alist-1 nil)
1089 (defvar gnus-treatment-function-alist
1090 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1091 (gnus-treat-strip-banner gnus-article-strip-banner)
1092 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1093 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1094 (gnus-treat-buttonize gnus-article-add-buttons)
1095 (gnus-treat-fill-article gnus-article-fill-cited-article)
1096 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1097 (gnus-treat-strip-cr gnus-article-remove-cr)
1098 (gnus-treat-emphasize gnus-article-emphasize)
1099 (gnus-treat-display-xface gnus-article-display-x-face)
1100 (gnus-treat-date-ut gnus-article-date-ut)
1101 (gnus-treat-date-local gnus-article-date-local)
1102 (gnus-treat-date-english gnus-article-date-english)
1103 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1104 (gnus-treat-date-original gnus-article-date-original)
1105 (gnus-treat-date-user-defined gnus-article-date-user)
1106 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1107 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1108 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1109 (gnus-treat-hide-signature gnus-article-hide-signature)
1110 (gnus-treat-hide-citation gnus-article-hide-citation)
1111 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1112 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1113 (gnus-treat-strip-pgp gnus-article-hide-pgp)
1114 (gnus-treat-strip-pem gnus-article-hide-pem)
1115 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1116 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1117 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1118 (gnus-treat-strip-trailing-blank-lines
1119 gnus-article-remove-trailing-blank-lines)
1120 (gnus-treat-strip-leading-blank-lines
1121 gnus-article-strip-leading-blank-lines)
1122 (gnus-treat-strip-multiple-blank-lines
1123 gnus-article-strip-multiple-blank-lines)
1124 (gnus-treat-overstrike gnus-article-treat-overstrike)
1125 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1126 (gnus-treat-display-smileys gnus-smiley-display)
1127 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1128 (gnus-treat-display-picons gnus-article-display-picons)
1129 (gnus-treat-play-sounds gnus-earcon-display)))
1131 (defvar gnus-article-mime-handle-alist nil)
1132 (defvar article-lapsed-timer nil)
1133 (defvar gnus-article-current-summary nil)
1135 (defvar gnus-article-mode-syntax-table
1136 (let ((table (copy-syntax-table text-mode-syntax-table)))
1137 ;; This causes the citation match run O(2^n).
1138 ;; (modify-syntax-entry ?- "w" table)
1139 (modify-syntax-entry ?> ")" table)
1140 (modify-syntax-entry ?< "(" table)
1142 "Syntax table used in article mode buffers.
1143 Initialized from `text-mode-syntax-table.")
1145 (defvar gnus-save-article-buffer nil)
1147 (defvar gnus-article-mode-line-format-alist
1148 (nconc '((?w (gnus-article-wash-status) ?s)
1149 (?m (gnus-article-mime-part-status) ?s))
1150 gnus-summary-mode-line-format-alist))
1152 (defvar gnus-number-of-articles-to-be-saved nil)
1154 (defvar gnus-inhibit-hiding nil)
1156 (defsubst gnus-article-hide-text (b e props)
1157 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1158 (gnus-add-text-properties-when 'article-type nil b e props)
1159 (when (memq 'intangible props)
1161 (max (1- b) (point-min))
1162 b 'intangible (cddr (memq 'intangible props)))))
1164 (defsubst gnus-article-unhide-text (b e)
1165 "Remove hidden text properties from region between B and E."
1166 (remove-text-properties b e gnus-hidden-properties)
1167 (when (memq 'intangible gnus-hidden-properties)
1168 (put-text-property (max (1- b) (point-min))
1169 b 'intangible nil)))
1171 (defun gnus-article-hide-text-type (b e type)
1172 "Hide text of TYPE between B and E."
1173 (push type gnus-article-wash-types)
1174 (gnus-article-hide-text
1175 b e (cons 'article-type (cons type gnus-hidden-properties))))
1177 (defun gnus-article-unhide-text-type (b e type)
1178 "Unhide text of TYPE between B and E."
1179 (setq gnus-article-wash-types
1180 (delq type gnus-article-wash-types))
1181 (remove-text-properties
1182 b e (cons 'article-type (cons type gnus-hidden-properties)))
1183 (when (memq 'intangible gnus-hidden-properties)
1184 (put-text-property (max (1- b) (point-min))
1185 b 'intangible nil)))
1187 (defun gnus-article-hide-text-of-type (type)
1188 "Hide text of TYPE in the current buffer."
1190 (let ((b (point-min))
1192 (while (setq b (text-property-any b e 'article-type type))
1193 (add-text-properties b (incf b) gnus-hidden-properties)))))
1195 (defun gnus-article-delete-text-of-type (type)
1196 "Delete text of TYPE in the current buffer."
1198 (let ((b (point-min)))
1199 (while (setq b (text-property-any b (point-max) 'article-type type))
1201 b (or (text-property-not-all b (point-max) 'article-type type)
1204 (defun gnus-article-delete-invisible-text ()
1205 "Delete all invisible text in the current buffer."
1207 (let ((b (point-min)))
1208 (while (setq b (text-property-any b (point-max) 'invisible t))
1210 b (or (text-property-not-all b (point-max) 'invisible t)
1213 (defun gnus-article-text-type-exists-p (type)
1214 "Say whether any text of type TYPE exists in the buffer."
1215 (text-property-any (point-min) (point-max) 'article-type type))
1217 (defsubst gnus-article-header-rank ()
1218 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1219 (let ((list gnus-sorted-header-list)
1222 (when (looking-at (car list))
1224 (setq list (cdr list))
1228 (defun article-hide-headers (&optional arg delete)
1229 "Hide unwanted headers and possibly sort them as well."
1231 ;; This function might be inhibited.
1232 (unless gnus-inhibit-hiding
1235 (let ((buffer-read-only nil)
1236 (case-fold-search t)
1237 (max (1+ (length gnus-sorted-header-list)))
1238 (ignored (when (not gnus-visible-headers)
1239 (cond ((stringp gnus-ignored-headers)
1240 gnus-ignored-headers)
1241 ((listp gnus-ignored-headers)
1242 (mapconcat 'identity gnus-ignored-headers
1245 (cond ((stringp gnus-visible-headers)
1246 gnus-visible-headers)
1247 ((and gnus-visible-headers
1248 (listp gnus-visible-headers))
1249 (mapconcat 'identity gnus-visible-headers "\\|"))))
1250 (inhibit-point-motion-hooks t)
1252 ;; First we narrow to just the headers.
1253 (article-narrow-to-head)
1254 ;; Hide any "From " lines at the beginning of (mail) articles.
1255 (while (looking-at "From ")
1258 (delete-region (point-min) (point)))
1259 ;; Then treat the rest of the header lines.
1260 ;; Then we use the two regular expressions
1261 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1262 ;; select which header lines is to remain visible in the
1264 (while (re-search-forward "^[^ \t]*:" nil t)
1266 ;; Mark the rank of the header.
1268 (point) (1+ (point)) 'message-rank
1269 (if (or (and visible (looking-at visible))
1271 (not (looking-at ignored))))
1272 (gnus-article-header-rank)
1275 (message-sort-headers-1)
1276 (when (setq beg (text-property-any
1277 (point-min) (point-max) 'message-rank (+ 2 max)))
1278 ;; We delete the unwanted headers.
1279 (push 'headers gnus-article-wash-types)
1280 (add-text-properties (point-min) (+ 5 (point-min))
1281 '(article-type headers dummy-invisible t))
1282 (delete-region beg (point-max))))))))
1284 (defun article-hide-boring-headers (&optional arg)
1285 "Toggle hiding of headers that aren't very interesting.
1286 If given a negative prefix, always show; if given a positive prefix,
1288 (interactive (gnus-article-hidden-arg))
1289 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1290 (not gnus-show-all-headers))
1293 (let ((buffer-read-only nil)
1294 (list gnus-boring-article-headers)
1295 (inhibit-point-motion-hooks t)
1297 (article-narrow-to-head)
1299 (setq elem (pop list))
1300 (goto-char (point-min))
1302 ;; Hide empty headers.
1304 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1306 (gnus-article-hide-text-type
1307 (progn (beginning-of-line) (point))
1310 (if (re-search-forward "^[^ \t]" nil t)
1314 ;; Hide boring Newsgroups header.
1315 ((eq elem 'newsgroups)
1316 (when (gnus-string-equal
1317 (gnus-fetch-field "newsgroups")
1318 (gnus-group-real-name
1319 (if (boundp 'gnus-newsgroup-name)
1322 (gnus-article-hide-header "newsgroups")))
1323 ((eq elem 'to-address)
1324 (let ((to (message-fetch-field "to"))
1326 (gnus-group-find-parameter
1327 (if (boundp 'gnus-newsgroup-name)
1328 gnus-newsgroup-name "") 'to-address)))
1329 (when (and to to-address
1332 ;; only one address in To
1333 (nth 1 (mail-extract-address-components to))
1335 (gnus-article-hide-header "to"))))
1336 ((eq elem 'followup-to)
1337 (when (gnus-string-equal
1338 (message-fetch-field "followup-to")
1339 (message-fetch-field "newsgroups"))
1340 (gnus-article-hide-header "followup-to")))
1341 ((eq elem 'reply-to)
1342 (let ((from (message-fetch-field "from"))
1343 (reply-to (message-fetch-field "reply-to")))
1348 (nth 1 (mail-extract-address-components from))
1349 (nth 1 (mail-extract-address-components reply-to)))))
1350 (gnus-article-hide-header "reply-to"))))
1352 (let ((date (message-fetch-field "date")))
1354 (< (days-between (current-time-string) date)
1356 (gnus-article-hide-header "date"))))
1358 (let ((to (message-fetch-field "to"))
1359 (cc (message-fetch-field "cc")))
1360 (when (> (length to) 1024)
1361 (gnus-article-hide-header "to"))
1362 (when (> (length cc) 1024)
1363 (gnus-article-hide-header "cc"))))
1367 (goto-char (point-min))
1368 (while (re-search-forward "^to:" nil t)
1369 (setq to-count (1+ to-count)))
1370 (when (> to-count 1)
1371 (while (> to-count 0)
1372 (goto-char (point-min))
1374 (re-search-forward "^to:" nil nil to-count)
1376 (narrow-to-region (point) (point-max))
1377 (gnus-article-hide-header "to"))
1378 (setq to-count (1- to-count))))
1379 (goto-char (point-min))
1380 (while (re-search-forward "^cc:" nil t)
1381 (setq cc-count (1+ cc-count)))
1382 (when (> cc-count 1)
1383 (while (> cc-count 0)
1384 (goto-char (point-min))
1386 (re-search-forward "^cc:" nil nil cc-count)
1388 (narrow-to-region (point) (point-max))
1389 (gnus-article-hide-header "cc"))
1390 (setq cc-count (1- cc-count)))))))))))))
1392 (defun gnus-article-hide-header (header)
1394 (goto-char (point-min))
1395 (when (re-search-forward (concat "^" header ":") nil t)
1396 (gnus-article-hide-text-type
1397 (progn (beginning-of-line) (point))
1400 (if (re-search-forward "^[^ \t]" nil t)
1405 (defvar gnus-article-normalized-header-length 40
1406 "Length of normalized headers.")
1408 (defun article-normalize-headers ()
1409 "Make all header lines 40 characters long."
1411 (let ((buffer-read-only nil)
1415 (article-narrow-to-head)
1418 ((< (setq column (- (gnus-point-at-eol) (point)))
1419 gnus-article-normalized-header-length)
1421 (insert (make-string
1422 (- gnus-article-normalized-header-length column)
1424 ((> column gnus-article-normalized-header-length)
1425 (gnus-put-text-property
1427 (forward-char gnus-article-normalized-header-length)
1434 (forward-line 1))))))
1436 (defun article-treat-dumbquotes ()
1437 "Translate M****s*** sm*rtq**t*s into proper text.
1438 Note that this function guesses whether a character is a sm*rtq**t* or
1439 not, so it should only be used interactively.
1441 Sm*rtq**t*s are M****s***'s unilateral extension to the character map
1442 in an attempt to provide more quoting characters. If you see
1443 something like \\222 or \\264 where you're expecting some kind of
1444 apostrophe or quotation mark, then try this wash."
1446 (article-translate-strings gnus-article-dumbquotes-map))
1448 (defun article-translate-characters (from to)
1449 "Translate all characters in the body of the article according to FROM and TO.
1450 FROM is a string of characters to translate from; to is a string of
1451 characters to translate to."
1453 (when (article-goto-body)
1454 (let ((buffer-read-only nil)
1455 (x (make-string 225 ?x))
1457 (while (< (incf i) (length x))
1460 (while (< i (length from))
1461 (aset x (aref from i) (aref to i))
1463 (translate-region (point) (point-max) x)))))
1465 (defun article-translate-strings (map)
1466 "Translate all string in the body of the article according to MAP.
1467 MAP is an alist where the elements are on the form (\"from\" \"to\")."
1469 (when (article-goto-body)
1470 (let ((buffer-read-only nil)
1472 (while (setq elem (pop map))
1474 (while (search-forward (car elem) nil t)
1475 (replace-match (cadr elem)))))))))
1477 (defun article-treat-overstrike ()
1478 "Translate overstrikes into bold text."
1481 (when (article-goto-body)
1482 (let ((buffer-read-only nil))
1483 (while (search-forward "\b" nil t)
1484 (let ((next (char-after))
1485 (previous (char-after (- (point) 2))))
1486 ;; We do the boldification/underlining by hiding the
1487 ;; overstrikes and putting the proper text property
1491 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1492 (put-text-property (point) (1+ (point)) 'face 'bold))
1494 (gnus-article-hide-text-type
1495 (1- (point)) (1+ (point)) 'overstrike)
1497 (- (point) 2) (1- (point)) 'face 'underline))
1499 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1501 (point) (1+ (point)) 'face 'underline)))))))))
1503 (defun article-fill-long-lines ()
1504 "Fill lines that are wider than the window width."
1507 (let ((buffer-read-only nil)
1508 (width (window-width (get-buffer-window (current-buffer)))))
1511 (let ((adaptive-fill-mode nil))
1514 (when (>= (current-column) (min fill-column width))
1515 (narrow-to-region (point) (gnus-point-at-bol))
1516 (fill-paragraph nil)
1517 (goto-char (point-max))
1519 (forward-line 1)))))))
1521 (defun article-capitalize-sentences ()
1522 "Capitalize the first word in each sentence."
1525 (let ((buffer-read-only nil)
1526 (paragraph-start "^[\n\^L]"))
1530 (forward-sentence)))))
1532 (defun article-remove-cr ()
1533 "Remove trailing CRs and then translate remaining CRs into LFs."
1536 (let ((buffer-read-only nil))
1537 (goto-char (point-min))
1538 (while (re-search-forward "\r+$" nil t)
1539 (replace-match "" t t))
1540 (goto-char (point-min))
1541 (while (search-forward "\r" nil t)
1542 (replace-match "\n" t t)))))
1544 (defun article-remove-trailing-blank-lines ()
1545 "Remove all trailing blank lines from the article."
1548 (let ((buffer-read-only nil))
1549 (goto-char (point-max))
1553 (while (and (not (bobp))
1554 (looking-at "^[ \t]*$")
1555 (not (gnus-annotation-in-region-p
1556 (point) (gnus-point-at-eol))))
1561 (defun article-display-x-face (&optional force)
1562 "Look for an X-Face header and display it if present."
1563 (interactive (list 'force))
1565 ;; Delete the old process, if any.
1566 (when (process-status "article-x-face")
1567 (delete-process "article-x-face"))
1568 (let ((inhibit-point-motion-hooks t)
1570 (case-fold-search t)
1573 (article-narrow-to-head)
1574 (when (and buffer-read-only ;; When type `W f'
1576 (goto-char (point-min))
1577 (not (re-search-forward "^X-Face:[\t ]*" nil t)))
1578 (gnus-buffer-live-p gnus-original-article-buffer))
1579 (with-current-buffer gnus-original-article-buffer
1581 (article-narrow-to-head)
1582 (while (re-search-forward "^X-Face:" nil t)
1588 (1- (re-search-forward
1589 "^\\($\\|[^ \t]\\)" nil t))))))))
1591 (let (point start bface eface buffer-read-only)
1592 (goto-char (point-max))
1594 (setq bface (get-text-property (gnus-point-at-bol) 'face)
1595 eface (get-text-property (1- (gnus-point-at-eol)) 'face))
1596 (goto-char (point-max))
1597 (setq point (point))
1600 (while (looking-at "\\([^:]+\\): *")
1601 (put-text-property (match-beginning 1) (1+ (match-end 1))
1603 (setq start (match-end 0))
1605 (while (looking-at "[\t ]")
1607 (put-text-property start (point)
1609 (goto-char (point-min))
1610 (setq from (message-fetch-field "from"))
1611 (goto-char (point-min))
1612 (while (and gnus-article-x-face-command
1615 ;; Check whether this face is censored.
1616 (not gnus-article-x-face-too-ugly)
1617 (and gnus-article-x-face-too-ugly from
1618 (not (string-match gnus-article-x-face-too-ugly
1620 ;; Has to be present.
1621 (re-search-forward "^X-Face:[\t ]*" nil t))
1622 ;; This used to try to do multiple faces (`while' instead of
1623 ;; `when' above), but (a) sending multiple EOFs to xv doesn't
1624 ;; work (b) it can crash some versions of Emacs (c) are
1625 ;; multiple faces really something to encourage?
1626 (when (stringp gnus-article-x-face-command)
1628 ;; We now have the area of the buffer where the X-Face is stored.
1631 (end (1- (re-search-forward "^\\($\\|[^ \t]\\)" nil t))))
1632 ;; We display the face.
1633 (if (symbolp gnus-article-x-face-command)
1634 ;; The command is a lisp function, so we call it.
1635 (if (gnus-functionp gnus-article-x-face-command)
1636 (funcall gnus-article-x-face-command beg end)
1637 (error "%s is not a function" gnus-article-x-face-command))
1638 ;; The command is a string, so we interpret the command
1639 ;; as a, well, command, and fork it off.
1640 (let ((process-connection-type nil))
1641 (process-kill-without-query
1643 "article-x-face" nil shell-file-name shell-command-switch
1644 gnus-article-x-face-command))
1645 (process-send-region "article-x-face" beg end)
1646 (process-send-eof "article-x-face"))))))))))
1648 (defun article-decode-mime-words ()
1649 "Decode all MIME-encoded words in the article."
1652 (set-buffer gnus-article-buffer)
1653 (let ((inhibit-point-motion-hooks t)
1655 (mail-parse-charset gnus-newsgroup-charset)
1656 (mail-parse-ignored-charsets
1657 (save-excursion (set-buffer gnus-summary-buffer)
1658 gnus-newsgroup-ignored-charsets)))
1659 (mail-decode-encoded-word-region (point-min) (point-max)))))
1661 (defun article-decode-charset (&optional prompt)
1662 "Decode charset-encoded text in the article.
1663 If PROMPT (the prefix), prompt for a coding system to use."
1665 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
1667 (mail-parse-charset gnus-newsgroup-charset)
1668 (mail-parse-ignored-charsets
1669 (save-excursion (condition-case nil
1670 (set-buffer gnus-summary-buffer)
1672 gnus-newsgroup-ignored-charsets))
1673 ct cte ctl charset format)
1676 (article-narrow-to-head)
1677 (setq ct (message-fetch-field "Content-Type" t)
1678 cte (message-fetch-field "Content-Transfer-Encoding" t)
1679 ctl (and ct (ignore-errors
1680 (mail-header-parse-content-type ct)))
1683 (mm-read-coding-system "Charset to decode: "))
1685 (mail-content-type-get ctl 'charset)))
1686 format (and ctl (mail-content-type-get ctl 'format)))
1688 (setq cte (mail-header-strip cte)))
1689 (if (and ctl (not (string-match "/" (car ctl))))
1691 (goto-char (point-max)))
1694 (narrow-to-region (point) (point-max))
1695 (when (and (eq mail-parse-charset 'gnus-decoded)
1696 (eq (mm-body-7-or-8) '8bit))
1697 ;; The text code could have been decoded.
1698 (setq charset mail-parse-charset))
1699 (when (and (or (not ctl)
1700 (equal (car ctl) "text/plain"))
1701 (not format)) ;; article with format will decode later.
1703 charset (and cte (intern (downcase
1704 (gnus-strip-whitespace cte))))
1707 (defun article-decode-encoded-words ()
1708 "Remove encoded-word encoding from headers."
1709 (let ((inhibit-point-motion-hooks t)
1710 (mail-parse-charset gnus-newsgroup-charset)
1711 (mail-parse-ignored-charsets
1712 (save-excursion (condition-case nil
1713 (set-buffer gnus-summary-buffer)
1715 gnus-newsgroup-ignored-charsets))
1718 (article-narrow-to-head)
1719 (funcall gnus-decode-header-function (point-min) (point-max)))))
1721 (defun article-de-quoted-unreadable (&optional force)
1722 "Translate a quoted-printable-encoded article.
1723 If FORCE, decode the article whether it is marked as quoted-printable
1725 (interactive (list 'force))
1727 (let ((buffer-read-only nil) type charset)
1728 (if (gnus-buffer-live-p gnus-original-article-buffer)
1729 (with-current-buffer gnus-original-article-buffer
1731 (gnus-fetch-field "content-transfer-encoding"))
1732 (let* ((ct (gnus-fetch-field "content-type"))
1735 (mail-header-parse-content-type ct)))))
1736 (setq charset (and ctl
1737 (mail-content-type-get ctl 'charset)))
1738 (if (stringp charset)
1739 (setq charset (intern (downcase charset)))))))
1741 (setq charset gnus-newsgroup-charset))
1743 (and type (let ((case-fold-search t))
1744 (string-match "quoted-printable" type))))
1746 (quoted-printable-decode-region
1747 (point) (point-max) (mm-charset-to-coding-system charset))))))
1749 (defun article-de-base64-unreadable (&optional force)
1750 "Translate a base64 article.
1751 If FORCE, decode the article whether it is marked as base64 not."
1752 (interactive (list 'force))
1754 (let ((buffer-read-only nil) type charset)
1755 (if (gnus-buffer-live-p gnus-original-article-buffer)
1756 (with-current-buffer gnus-original-article-buffer
1758 (gnus-fetch-field "content-transfer-encoding"))
1759 (let* ((ct (gnus-fetch-field "content-type"))
1762 (mail-header-parse-content-type ct)))))
1763 (setq charset (and ctl
1764 (mail-content-type-get ctl 'charset)))
1765 (if (stringp charset)
1766 (setq charset (intern (downcase charset)))))))
1768 (setq charset gnus-newsgroup-charset))
1770 (and type (let ((case-fold-search t))
1771 (string-match "base64" type))))
1774 (narrow-to-region (point) (point-max))
1775 (base64-decode-region (point-min) (point-max))
1776 (mm-decode-coding-region
1777 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
1782 (defun article-decode-HZ ()
1783 "Translate a HZ-encoded article."
1787 (let ((buffer-read-only nil))
1788 (rfc1843-decode-region (point-min) (point-max)))))
1790 (defun article-wash-html ()
1791 "Format an html article."
1794 (let ((buffer-read-only nil)
1796 (if (gnus-buffer-live-p gnus-original-article-buffer)
1797 (with-current-buffer gnus-original-article-buffer
1798 (let* ((ct (gnus-fetch-field "content-type"))
1801 (mail-header-parse-content-type ct)))))
1802 (setq charset (and ctl
1803 (mail-content-type-get ctl 'charset)))
1804 (if (stringp charset)
1805 (setq charset (intern (downcase charset)))))))
1807 (setq charset gnus-newsgroup-charset))
1809 (save-window-excursion
1811 (narrow-to-region (point) (point-max))
1813 (let ((w3-strict-width (window-width))
1814 (url-standalone-mode t))
1816 (w3-region (point-min) (point-max))
1819 (defun article-hide-list-identifiers ()
1820 "Remove list identifies from the Subject header.
1821 The `gnus-list-identifiers' variable specifies what to do."
1823 (let ((inhibit-point-motion-hooks t)
1824 (regexp (if (consp gnus-list-identifiers)
1825 (mapconcat 'identity gnus-list-identifiers " *\\|")
1826 gnus-list-identifiers))
1831 (article-narrow-to-head)
1832 (goto-char (point-min))
1833 (while (re-search-forward
1834 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
1836 (delete-region (match-beginning 2) (match-end 0))
1837 (beginning-of-line))
1838 (when (re-search-forward
1839 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
1840 (delete-region (match-beginning 1) (match-end 1))))))))
1842 (defun article-hide-pgp ()
1843 "Remove any PGP headers and signatures in the current article."
1847 (let ((inhibit-point-motion-hooks t)
1848 buffer-read-only beg end)
1850 ;; Hide the "header".
1851 (when (re-search-forward "^-----BEGIN PGP SIGNED MESSAGE-----\n" nil t)
1852 (push 'pgp gnus-article-wash-types)
1853 (delete-region (match-beginning 0) (match-end 0))
1854 ;; Remove armor headers (rfc2440 6.2)
1855 (delete-region (point) (or (re-search-forward "^[ \t]*\n" nil t)
1858 ;; Hide the actual signature.
1859 (and (search-forward "\n-----BEGIN PGP SIGNATURE-----\n" nil t)
1860 (setq end (1+ (match-beginning 0)))
1863 (if (search-forward "\n-----END PGP SIGNATURE-----\n" nil t)
1865 ;; Perhaps we shouldn't hide to the end of the buffer
1866 ;; if there is no end to the signature?
1868 ;; Hide "- " PGP quotation markers.
1870 (narrow-to-region beg end)
1871 (goto-char (point-min))
1872 (while (re-search-forward "^- " nil t)
1874 (match-beginning 0) (match-end 0)))
1876 (gnus-run-hooks 'gnus-article-hide-pgp-hook))))))
1878 (defun article-hide-pem (&optional arg)
1879 "Toggle hiding of any PEM headers and signatures in the current article.
1880 If given a negative prefix, always show; if given a positive prefix,
1882 (interactive (gnus-article-hidden-arg))
1883 (unless (gnus-article-check-hidden-text 'pem arg)
1885 (let (buffer-read-only end)
1886 (goto-char (point-min))
1887 ;; Hide the horrendously ugly "header".
1888 (when (and (search-forward
1889 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
1891 (setq end (1+ (match-beginning 0))))
1892 (push 'pem gnus-article-wash-types)
1893 (gnus-article-hide-text-type
1895 (if (search-forward "\n\n" nil t)
1899 ;; Hide the trailer as well
1900 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
1902 (gnus-article-hide-text-type
1903 (match-beginning 0) (match-end 0) 'pem)))))))
1905 (defun article-strip-banner ()
1906 "Strip the banner specified by the `banner' group parameter."
1910 (let ((inhibit-point-motion-hooks t)
1911 (banner (gnus-parameter-banner gnus-newsgroup-name))
1912 (gnus-signature-limit nil)
1913 buffer-read-only beg end)
1917 ((eq banner 'signature)
1918 (when (gnus-article-narrow-to-signature)
1921 (delete-region (point) (point-max))))
1923 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
1924 (while (re-search-forward banner nil t)
1925 (delete-region (match-beginning 0) (match-end 0)))))
1927 (while (re-search-forward banner nil t)
1928 (delete-region (match-beginning 0) (match-end 0))))))))))
1930 (defun article-babel ()
1931 "Translate article using an online translation service."
1935 (set-buffer gnus-article-buffer)
1936 (when (article-goto-body)
1937 (let* ((buffer-read-only nil)
1940 (orig (buffer-substring start end))
1941 (trans (babel-as-string orig)))
1943 (narrow-to-region start end)
1944 (delete-region start end)
1947 (defun article-hide-signature (&optional arg)
1948 "Hide the signature in the current article.
1949 If given a negative prefix, always show; if given a positive prefix,
1951 (interactive (gnus-article-hidden-arg))
1952 (unless (gnus-article-check-hidden-text 'signature arg)
1955 (let ((buffer-read-only nil))
1956 (when (gnus-article-narrow-to-signature)
1957 (gnus-article-hide-text-type
1958 (point-min) (point-max) 'signature)))))))
1960 (defun article-strip-headers-in-body ()
1961 "Strip offensive headers from bodies."
1965 (let ((case-fold-search t))
1966 (when (looking-at "x-no-archive:")
1967 (gnus-delete-line)))))
1969 (defun article-strip-leading-blank-lines ()
1970 "Remove all blank lines from the beginning of the article."
1973 (let ((inhibit-point-motion-hooks t)
1975 (when (article-goto-body)
1976 (while (and (not (eobp))
1977 (looking-at "[ \t]*$"))
1978 (gnus-delete-line))))))
1980 (defun article-narrow-to-head ()
1981 "Narrow the buffer to the head of the message.
1982 Point is left at the beginning of the narrowed-to region."
1984 (goto-char (point-min))
1985 (if (search-forward "\n\n" nil 1)
1988 (goto-char (point-min)))
1990 (defun article-goto-body ()
1991 "Place point at the start of the body."
1992 (goto-char (point-min))
1994 ;; This variable is only bound when dealing with separate
1996 (article-goto-body-goes-to-point-min-p
1998 ((search-forward "\n\n" nil t)
2001 (goto-char (point-max))
2004 (defun article-strip-multiple-blank-lines ()
2005 "Replace consecutive blank lines with one empty line."
2008 (let ((inhibit-point-motion-hooks t)
2010 ;; First make all blank lines empty.
2012 (while (re-search-forward "^[ \t]+$" nil t)
2013 (unless (gnus-annotation-in-region-p
2014 (match-beginning 0) (match-end 0))
2015 (replace-match "" nil t)))
2016 ;; Then replace multiple empty lines with a single empty line.
2018 (while (re-search-forward "\n\n\n+" nil t)
2019 (unless (gnus-annotation-in-region-p
2020 (match-beginning 0) (match-end 0))
2021 (replace-match "\n\n" t t))))))
2023 (defun article-strip-leading-space ()
2024 "Remove all white space from the beginning of the lines in the article."
2027 (let ((inhibit-point-motion-hooks t)
2030 (while (re-search-forward "^[ \t]+" nil t)
2031 (replace-match "" t t)))))
2033 (defun article-strip-trailing-space ()
2034 "Remove all white space from the end of the lines in the article."
2037 (let ((inhibit-point-motion-hooks t)
2040 (while (re-search-forward "[ \t]+$" nil t)
2041 (replace-match "" t t)))))
2043 (defun article-strip-blank-lines ()
2044 "Strip leading, trailing and multiple blank lines."
2046 (article-strip-leading-blank-lines)
2047 (article-remove-trailing-blank-lines)
2048 (article-strip-multiple-blank-lines))
2050 (defun article-strip-all-blank-lines ()
2051 "Strip all blank lines."
2054 (let ((inhibit-point-motion-hooks t)
2057 (while (re-search-forward "^[ \t]*\n" nil t)
2058 (replace-match "" t t)))))
2060 (defun gnus-article-narrow-to-signature ()
2061 "Narrow to the signature; return t if a signature is found, else nil."
2062 (let ((inhibit-point-motion-hooks t))
2063 (when (gnus-article-search-signature)
2065 ;; Check whether we have some limits to what we consider
2066 ;; to be a signature.
2067 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2068 (list gnus-signature-limit)))
2070 (while (setq limit (pop limits))
2071 (if (or (and (integerp limit)
2072 (< (- (point-max) (point)) limit))
2074 (< (count-lines (point) (point-max)) limit))
2075 (and (gnus-functionp limit)
2077 (and (stringp limit)
2078 (not (re-search-forward limit nil t))))
2079 () ; This limit did not succeed.
2083 (narrow-to-region (point) (point-max))
2086 (defun gnus-article-search-signature ()
2087 "Search the current buffer for the signature separator.
2088 Put point at the beginning of the signature separator."
2089 (let ((cur (point)))
2090 (goto-char (point-max))
2091 (if (if (stringp gnus-signature-separator)
2092 (re-search-backward gnus-signature-separator nil t)
2093 (let ((seps gnus-signature-separator))
2095 (not (re-search-backward (car seps) nil t)))
2102 (defun gnus-article-hidden-arg ()
2103 "Return the current prefix arg as a number, or 0 if no prefix."
2104 (list (if current-prefix-arg
2105 (prefix-numeric-value current-prefix-arg)
2108 (defun gnus-article-check-hidden-text (type arg)
2109 "Return nil if hiding is necessary.
2110 Arg can be nil or a number. Nil and positive means hide, negative
2111 means show, 0 means toggle."
2114 (let ((hide (gnus-article-hidden-text-p type)))
2120 (gnus-article-show-hidden-text type)
2123 (if (eq hide 'hidden)
2125 (gnus-article-show-hidden-text type)
2129 (defun gnus-article-hidden-text-p (type)
2130 "Say whether the current buffer contains hidden text of type TYPE."
2131 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2133 (not (get-text-property pos 'invisible))
2134 (not (get-text-property pos 'dummy-invisible)))
2136 (text-property-any (1+ pos) (point-max) 'article-type type)))
2141 (defun gnus-article-show-hidden-text (type &optional dummy)
2142 "Show all hidden text of type TYPE.
2143 Originally it is hide instead of DUMMY."
2144 (let ((buffer-read-only nil)
2145 (inhibit-point-motion-hooks t))
2146 (gnus-remove-text-properties-when
2148 (point-min) (point-max)
2149 (cons 'article-type (cons type
2150 gnus-hidden-properties)))))
2152 (defconst article-time-units
2153 `((year . ,(* 365.25 24 60 60))
2154 (week . ,(* 7 24 60 60))
2155 (day . ,(* 24 60 60))
2159 "Mapping from time units to seconds.")
2161 (defun article-date-ut (&optional type highlight header)
2162 "Convert DATE date to universal time in the current article.
2163 If TYPE is `local', convert to local time; if it is `lapsed', output
2164 how much time has lapsed since DATE. For `lapsed', the value of
2165 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2166 should replace the \"Date:\" one, or should be added below it."
2167 (interactive (list 'ut t))
2168 (let* ((header (or header
2169 (message-fetch-field "date")
2171 (tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
2174 ((not gnus-article-date-lapsed-new-header)
2180 (date (if (vectorp header) (mail-header-date header)
2182 (inhibit-point-motion-hooks t)
2187 (article-narrow-to-head)
2188 (when (re-search-forward tdate-regexp nil t)
2189 (setq bface (get-text-property (gnus-point-at-bol) 'face)
2190 date (or (get-text-property (gnus-point-at-bol)
2193 eface (get-text-property (1- (gnus-point-at-eol)) 'face))
2195 (when (and date (not (string= date "")))
2196 (goto-char (point-min))
2197 (let ((buffer-read-only nil))
2198 ;; Delete any old Date headers.
2199 (while (re-search-forward date-regexp nil t)
2201 (delete-region (progn (beginning-of-line) (point))
2202 (progn (forward-line 1) (point)))
2203 (delete-region (progn (beginning-of-line) (point))
2204 (progn (end-of-line) (point)))
2205 (setq pos (point))))
2206 (when (and (not pos) (re-search-forward tdate-regexp nil t))
2208 (if pos (goto-char pos))
2209 (insert (article-make-date-line date (or type 'ut)))
2215 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
2216 (put-text-property (match-beginning 1) (1+ (match-end 1))
2217 'original-date date)
2218 (put-text-property (match-beginning 1) (1+ (match-end 1))
2220 (put-text-property (match-beginning 2) (match-end 2)
2223 (defun article-make-date-line (date type)
2224 "Return a DATE line of TYPE."
2225 (unless (memq type '(local ut original user iso8601 lapsed english))
2226 (error "Unknown conversion type: %s" type))
2228 (let ((time (date-to-time date)))
2230 ;; Convert to the local timezone.
2232 (let ((tz (car (current-time-zone time))))
2233 (format "Date: %s %s%02d%02d" (current-time-string time)
2234 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2235 (/ (% (abs tz) 3600) 60))))
2236 ;; Convert to Universal Time.
2239 (current-time-string
2240 (let* ((e (parse-time-string date))
2241 (tm (apply 'encode-time e))
2243 (ls (- (cadr tm) (car (current-time-zone time)))))
2244 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
2245 ((> ls 65535) (list (1+ ms) (- ls 65536)))
2248 ;; Get the original date from the article.
2249 ((eq type 'original)
2250 (concat "Date: " (if (string-match "\n+$" date)
2251 (substring date 0 (match-beginning 0))
2253 ;; Let the user define the format.
2255 (if (gnus-functionp gnus-article-time-format)
2256 (funcall gnus-article-time-format time)
2259 (format-time-string gnus-article-time-format time))))
2262 (let ((tz (car (current-time-zone time))))
2265 (format-time-string "%Y%m%dT%H%M%S" time)
2266 (format "%s%02d%02d"
2267 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2268 (/ (% (abs tz) 3600) 60)))))
2269 ;; Do an X-Sent lapsed format.
2271 ;; If the date is seriously mangled, the timezone functions are
2272 ;; liable to bug out, so we ignore all errors.
2273 (let* ((now (current-time))
2274 (real-time (subtract-time now time))
2275 (real-sec (and real-time
2276 (+ (* (float (car real-time)) 65536)
2278 (sec (and real-time (abs real-sec)))
2288 ;; This is a bit convoluted, but basically we go
2289 ;; through the time units for years, weeks, etc,
2290 ;; and divide things to see whether that results
2291 ;; in positive answers.
2294 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
2295 ;; The (remaining) seconds are too few to
2296 ;; be divided into this time unit.
2298 ;; It's big enough, so we output it.
2299 (setq sec (- sec (* num (cdr unit))))
2301 (concat (if prev ", " "") (int-to-string
2303 " " (symbol-name (car unit))
2304 (if (> num 1) "s" ""))
2306 article-time-units "")
2307 ;; If dates are odd, then it might appear like the
2308 ;; article was sent in the future.
2311 " in the future"))))))
2312 ;; Display the date in proper English
2314 (let ((dtime (decode-time time)))
2317 (number-to-string (nth 3 dtime))
2318 (let ((digit (% (nth 3 dtime) 10)))
2320 ((memq (nth 3 dtime) '(11 12 13)) "th")
2326 (nth (1- (nth 4 dtime)) gnus-english-month-names)
2328 (number-to-string (nth 5 dtime))
2330 (format "%02d" (nth 2 dtime))
2332 (format "%02d" (nth 1 dtime)))))))
2334 (format "Date: %s (from Oort)" date))))
2336 (defun article-date-local (&optional highlight)
2337 "Convert the current article date to the local timezone."
2338 (interactive (list t))
2339 (article-date-ut 'local highlight))
2341 (defun article-date-english (&optional highlight)
2342 "Convert the current article date to something that is proper English."
2343 (interactive (list t))
2344 (article-date-ut 'english highlight))
2346 (defun article-date-original (&optional highlight)
2347 "Convert the current article date to what it was originally.
2348 This is only useful if you have used some other date conversion
2349 function and want to see what the date was before converting."
2350 (interactive (list t))
2351 (article-date-ut 'original highlight))
2353 (defun article-date-lapsed (&optional highlight)
2354 "Convert the current article date to time lapsed since it was sent."
2355 (interactive (list t))
2356 (article-date-ut 'lapsed highlight))
2358 (defun article-update-date-lapsed ()
2359 "Function to be run from a timer to update the lapsed time line."
2360 (let (deactivate-mark)
2365 (set-buffer (window-buffer w))
2366 (when (eq major-mode 'gnus-article-mode)
2367 (goto-char (point-min))
2368 (when (re-search-forward "^X-Sent:" nil t)
2369 (article-date-lapsed t))))
2372 (defun gnus-start-date-timer (&optional n)
2373 "Start a timer to update the X-Sent header in the article buffers.
2374 The numerical prefix says how frequently (in seconds) the function
2379 (gnus-stop-date-timer)
2380 (setq article-lapsed-timer
2381 (nnheader-run-at-time 1 n 'article-update-date-lapsed)))
2383 (defun gnus-stop-date-timer ()
2384 "Stop the X-Sent timer."
2386 (when article-lapsed-timer
2387 (nnheader-cancel-timer article-lapsed-timer)
2388 (setq article-lapsed-timer nil)))
2390 (defun article-date-user (&optional highlight)
2391 "Convert the current article date to the user-defined format.
2392 This format is defined by the `gnus-article-time-format' variable."
2393 (interactive (list t))
2394 (article-date-ut 'user highlight))
2396 (defun article-date-iso8601 (&optional highlight)
2397 "Convert the current article date to ISO8601."
2398 (interactive (list t))
2399 (article-date-ut 'iso8601 highlight))
2401 (defun article-show-all ()
2402 "Show all hidden text in the article buffer."
2405 (let ((buffer-read-only nil))
2406 (gnus-article-unhide-text (point-min) (point-max)))))
2408 (defun article-emphasize (&optional arg)
2409 "Emphasize text according to `gnus-emphasis-alist'."
2410 (interactive (gnus-article-hidden-arg))
2411 (unless (gnus-article-check-hidden-text 'emphasis arg)
2415 (with-current-buffer gnus-summary-buffer
2416 gnus-article-emphasis-alist)
2418 gnus-emphasis-alist))
2419 (buffer-read-only nil)
2420 (props (append '(article-type emphasis)
2421 gnus-hidden-properties))
2422 regexp elem beg invisible visible face)
2425 (while (setq elem (pop alist))
2427 (setq regexp (car elem)
2428 invisible (nth 1 elem)
2429 visible (nth 2 elem)
2431 (while (re-search-forward regexp nil t)
2432 (when (and (match-beginning visible) (match-beginning invisible))
2433 (push 'emphasis gnus-article-wash-types)
2434 (gnus-article-hide-text
2435 (match-beginning invisible) (match-end invisible) props)
2436 (gnus-article-unhide-text-type
2437 (match-beginning visible) (match-end visible) 'emphasis)
2438 (gnus-put-text-property-excluding-newlines
2439 (match-beginning visible) (match-end visible) 'face face)
2440 (goto-char (match-end invisible)))))))))
2442 (defun gnus-article-setup-highlight-words (&optional highlight-words)
2443 "Setup newsgroup emphasis alist."
2444 (unless gnus-article-emphasis-alist
2445 (let ((name (and gnus-newsgroup-name
2446 (gnus-group-real-name gnus-newsgroup-name))))
2447 (make-local-variable 'gnus-article-emphasis-alist)
2448 (setq gnus-article-emphasis-alist
2450 (let ((alist gnus-group-highlight-words-alist) elem highlight)
2451 (while (setq elem (pop alist))
2452 (when (and name (string-match (car elem) name))
2454 highlight (copy-sequence (cdr elem)))))
2456 (copy-sequence highlight-words)
2457 (if gnus-newsgroup-name
2458 (copy-sequence (gnus-group-find-parameter
2459 gnus-newsgroup-name 'highlight-words t)))
2460 gnus-emphasis-alist)))))
2463 (defvar gnus-summary-article-menu)
2464 (defvar gnus-summary-post-menu))
2466 ;;; Saving functions.
2468 (defun gnus-article-save (save-buffer file &optional num)
2469 "Save the currently selected article."
2470 (unless gnus-save-all-headers
2471 ;; Remove headers according to `gnus-saved-headers'.
2472 (let ((gnus-visible-headers
2473 (or gnus-saved-headers gnus-visible-headers))
2474 (gnus-article-buffer save-buffer))
2476 (set-buffer save-buffer)
2477 (article-hide-headers 1 t))))
2478 (save-window-excursion
2479 (if (not gnus-default-article-saver)
2480 (error "No default saver is defined")
2481 ;; !!! Magic! The saving functions all save
2482 ;; `gnus-save-article-buffer' (or so they think), but we
2483 ;; bind that variable to our save-buffer.
2484 (set-buffer gnus-article-buffer)
2485 (let* ((gnus-save-article-buffer save-buffer)
2488 ((not gnus-prompt-before-saving) 'default)
2489 ((eq gnus-prompt-before-saving 'always) nil)
2491 (gnus-number-of-articles-to-be-saved
2492 (when (eq gnus-prompt-before-saving t)
2494 (set-buffer gnus-article-current-summary)
2495 (funcall gnus-default-article-saver filename)))))
2497 (defun gnus-read-save-file-name (prompt &optional filename
2498 function group headers variable)
2500 (funcall function group headers (symbol-value variable)))
2505 ((eq filename 'default)
2511 (let* ((split-name (gnus-get-split-value gnus-split-methods))
2514 (if (and gnus-number-of-articles-to-be-saved
2515 (> gnus-number-of-articles-to-be-saved 1))
2516 (format "these %d articles"
2517 gnus-number-of-articles-to-be-saved)
2520 ;; Let the split methods have their say.
2522 ;; No split name was found.
2525 (concat prompt " (default "
2526 (file-name-nondirectory default-name) ") ")
2527 (file-name-directory default-name)
2529 ;; A single group name is returned.
2530 ((stringp split-name)
2532 (funcall function split-name headers
2533 (symbol-value variable)))
2535 (concat prompt " (default "
2536 (file-name-nondirectory default-name) ") ")
2537 (file-name-directory default-name)
2539 ;; A single split name was found
2540 ((= 1 (length split-name))
2541 (let* ((name (expand-file-name
2543 gnus-article-save-directory))
2544 (dir (cond ((file-directory-p name)
2545 (file-name-as-directory name))
2546 ((file-exists-p name) name)
2547 (t gnus-article-save-directory))))
2549 (concat prompt " (default " name ") ")
2551 ;; A list of splits was found.
2553 (setq split-name (nreverse split-name))
2555 (let ((file-name-history
2556 (nconc split-name file-name-history)))
2560 (concat prompt " (`M-p' for defaults) ")
2561 gnus-article-save-directory
2563 gnus-article-save-directory)))
2564 (car (push result file-name-history)))))))
2565 ;; Create the directory.
2566 (gnus-make-directory (file-name-directory file))
2567 ;; If we have read a directory, we append the default file name.
2568 (when (file-directory-p file)
2569 (setq file (expand-file-name (file-name-nondirectory
2571 (file-name-as-directory file))))
2572 ;; Possibly translate some characters.
2573 (nnheader-translate-file-chars file))))))
2574 (gnus-make-directory (file-name-directory result))
2575 (set variable result)))
2577 (defun gnus-article-archive-name (group)
2578 "Return the first instance of an \"Archive-name\" in the current buffer."
2579 (let ((case-fold-search t))
2580 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
2581 (nnheader-concat gnus-article-save-directory
2582 (match-string 1)))))
2584 (defun gnus-article-nndoc-name (group)
2585 "If GROUP is an nndoc group, return the name of the parent group."
2586 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
2587 (gnus-group-get-parameter group 'save-article-group)))
2589 (defun gnus-summary-save-in-rmail (&optional filename)
2590 "Append this article to Rmail file.
2591 Optional argument FILENAME specifies file name.
2592 Directory to save to is default to `gnus-article-save-directory'."
2593 (setq filename (gnus-read-save-file-name
2594 "Save %s in rmail file:" filename
2595 gnus-rmail-save-name gnus-newsgroup-name
2596 gnus-current-headers 'gnus-newsgroup-last-rmail))
2597 (gnus-eval-in-buffer-window gnus-save-article-buffer
2601 (gnus-output-to-rmail filename))))
2604 (defun gnus-summary-save-in-mail (&optional filename)
2605 "Append this article to Unix mail file.
2606 Optional argument FILENAME specifies file name.
2607 Directory to save to is default to `gnus-article-save-directory'."
2608 (setq filename (gnus-read-save-file-name
2609 "Save %s in Unix mail file:" filename
2610 gnus-mail-save-name gnus-newsgroup-name
2611 gnus-current-headers 'gnus-newsgroup-last-mail))
2612 (gnus-eval-in-buffer-window gnus-save-article-buffer
2616 (if (and (file-readable-p filename)
2617 (mail-file-babyl-p filename))
2618 (rmail-output-to-rmail-file filename t)
2619 (gnus-output-to-mail filename)))))
2622 (defun gnus-summary-save-in-file (&optional filename overwrite)
2623 "Append this article to file.
2624 Optional argument FILENAME specifies file name.
2625 Directory to save to is default to `gnus-article-save-directory'."
2626 (setq filename (gnus-read-save-file-name
2627 "Save %s in file:" filename
2628 gnus-file-save-name gnus-newsgroup-name
2629 gnus-current-headers 'gnus-newsgroup-last-file))
2630 (gnus-eval-in-buffer-window gnus-save-article-buffer
2634 (when (and overwrite
2635 (file-exists-p filename))
2636 (delete-file filename))
2637 (gnus-output-to-file filename))))
2640 (defun gnus-summary-write-to-file (&optional filename)
2641 "Write this article to a file.
2642 Optional argument FILENAME specifies file name.
2643 The directory to save in defaults to `gnus-article-save-directory'."
2644 (gnus-summary-save-in-file nil t))
2646 (defun gnus-summary-save-body-in-file (&optional filename)
2647 "Append this article body to a file.
2648 Optional argument FILENAME specifies file name.
2649 The directory to save in defaults to `gnus-article-save-directory'."
2650 (setq filename (gnus-read-save-file-name
2651 "Save %s body in file:" filename
2652 gnus-file-save-name gnus-newsgroup-name
2653 gnus-current-headers 'gnus-newsgroup-last-file))
2654 (gnus-eval-in-buffer-window gnus-save-article-buffer
2658 (when (article-goto-body)
2659 (narrow-to-region (point) (point-max)))
2660 (gnus-output-to-file filename))))
2663 (defun gnus-summary-save-in-pipe (&optional command)
2664 "Pipe this article to subprocess."
2666 (cond ((and (eq command 'default)
2667 gnus-last-shell-command)
2668 gnus-last-shell-command)
2673 "Shell command on %s: "
2674 (if (and gnus-number-of-articles-to-be-saved
2675 (> gnus-number-of-articles-to-be-saved 1))
2676 (format "these %d articles"
2677 gnus-number-of-articles-to-be-saved)
2679 gnus-last-shell-command))))
2680 (when (string-equal command "")
2681 (if gnus-last-shell-command
2682 (setq command gnus-last-shell-command)
2683 (error "A command is required.")))
2684 (gnus-eval-in-buffer-window gnus-article-buffer
2687 (shell-command-on-region (point-min) (point-max) command nil)))
2688 (setq gnus-last-shell-command command))
2690 ;;; Article file names when saving.
2692 (defun gnus-capitalize-newsgroup (newsgroup)
2693 "Capitalize NEWSGROUP name."
2694 (when (not (zerop (length newsgroup)))
2695 (concat (char-to-string (upcase (aref newsgroup 0)))
2696 (substring newsgroup 1))))
2698 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
2699 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
2700 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
2701 Otherwise, it is like ~/News/news/group/num."
2704 (concat (if (gnus-use-long-file-name 'not-save)
2705 (gnus-capitalize-newsgroup newsgroup)
2706 (gnus-newsgroup-directory-form newsgroup))
2707 "/" (int-to-string (mail-header-number headers)))
2708 gnus-article-save-directory)))
2710 (string-equal (file-name-directory default)
2711 (file-name-directory last-file))
2712 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
2714 (or last-file default))))
2716 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
2717 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
2718 If variable `gnus-use-long-file-name' is non-nil, it is
2719 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
2722 (concat (if (gnus-use-long-file-name 'not-save)
2724 (gnus-newsgroup-directory-form newsgroup))
2725 "/" (int-to-string (mail-header-number headers)))
2726 gnus-article-save-directory)))
2728 (string-equal (file-name-directory default)
2729 (file-name-directory last-file))
2730 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
2732 (or last-file default))))
2734 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
2735 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
2736 If variable `gnus-use-long-file-name' is non-nil, it is
2737 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
2740 (if (gnus-use-long-file-name 'not-save)
2742 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup)))
2743 gnus-article-save-directory)))
2745 (defun article-verify-x-pgp-sig ()
2748 (if (gnus-buffer-live-p gnus-original-article-buffer)
2749 (let ((sig (with-current-buffer gnus-original-article-buffer
2750 (gnus-fetch-field "X-PGP-Sig")))
2754 (mml2015-clear-verify-function))
2756 (insert-buffer gnus-original-article-buffer)
2757 (setq items (split-string sig))
2758 (message-narrow-to-head)
2759 (let ((inhibit-point-motion-hooks t)
2760 (case-fold-search t))
2761 ;; Don't verify multiple headers.
2762 (setq headers (mapconcat (lambda (header)
2764 (mail-fetch-field header) "\n"))
2765 (split-string (nth 1 items) ",") "")))
2766 (delete-region (point-min) (point-max))
2767 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
2768 (insert "X-Signed-Headers: " (nth 1 items) "\n")
2773 (if (looking-at "^-")
2776 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
2777 (insert "Version: " (car items) "\n\n")
2778 (insert (mapconcat 'identity (cddr items) "\n"))
2779 (insert "\n-----END PGP SIGNATURE-----\n")
2780 (let ((mm-security-handle (list (format "multipart/signed"))))
2781 (mml2015-clean-buffer)
2782 (let ((coding-system-for-write (or gnus-newsgroup-charset
2784 (funcall (mml2015-clear-verify-function)))
2786 (or (mm-handle-multipart-ctl-parameter
2787 mm-security-handle 'gnus-details)
2788 (mm-handle-multipart-ctl-parameter
2789 mm-security-handle 'gnus-info)))))
2791 (let (buffer-read-only bface eface)
2793 (message-narrow-to-head)
2794 (goto-char (point-max))
2796 (setq bface (get-text-property (gnus-point-at-bol) 'face)
2797 eface (get-text-property (1- (gnus-point-at-eol)) 'face))
2798 (message-remove-header "X-Gnus-PGP-Verify")
2799 (if (re-search-forward "^X-PGP-Sig:" nil t)
2801 (goto-char (point-max)))
2802 (narrow-to-region (point) (point))
2803 (insert "X-Gnus-PGP-Verify: " info "\n")
2804 (goto-char (point-min))
2807 (if (not (looking-at "^[ \t]"))
2811 (goto-char (point-min))
2812 (when (looking-at "\\([^:]+\\): *")
2813 (put-text-property (match-beginning 1) (1+ (match-end 1))
2815 (put-text-property (match-end 0) (point-max)
2816 'face eface)))))))))
2823 (setq afunc (car func)
2826 gfunc (intern (format "gnus-%s" func))))
2829 `(lambda (&optional interactive &rest args)
2830 ,(documentation afunc t)
2831 (interactive (list t))
2833 (set-buffer gnus-article-buffer)
2835 (call-interactively ',afunc)
2836 (apply ',afunc args))))))))
2837 '(article-hide-headers
2838 article-verify-x-pgp-sig
2839 article-hide-boring-headers
2840 article-treat-overstrike
2841 article-fill-long-lines
2842 article-capitalize-sentences
2844 article-display-x-face
2845 article-de-quoted-unreadable
2846 article-de-base64-unreadable
2849 article-hide-list-identifiers
2851 article-strip-banner
2854 article-hide-signature
2855 article-strip-headers-in-body
2856 article-remove-trailing-blank-lines
2857 article-strip-leading-blank-lines
2858 article-strip-multiple-blank-lines
2859 article-strip-leading-space
2860 article-strip-trailing-space
2861 article-strip-blank-lines
2862 article-strip-all-blank-lines
2864 article-date-english
2865 article-date-iso8601
2866 article-date-original
2868 article-decode-mime-words
2869 article-decode-charset
2870 article-decode-encoded-words
2874 article-treat-dumbquotes
2875 article-normalize-headers
2876 (article-show-all . gnus-article-show-all-headers))))
2879 ;;; Gnus article mode
2882 (put 'gnus-article-mode 'mode-class 'special)
2884 (set-keymap-parent gnus-article-mode-map widget-keymap)
2886 (gnus-define-keys gnus-article-mode-map
2887 " " gnus-article-goto-next-page
2888 "\177" gnus-article-goto-prev-page
2889 [delete] gnus-article-goto-prev-page
2890 [backspace] gnus-article-goto-prev-page
2891 "\C-c^" gnus-article-refer-article
2892 "h" gnus-article-show-summary
2893 "s" gnus-article-show-summary
2894 "\C-c\C-m" gnus-article-mail
2895 "?" gnus-article-describe-briefly
2896 "e" gnus-summary-edit-article
2897 "<" beginning-of-buffer
2899 "\C-c\C-i" gnus-info-find-node
2901 "\C-hk" gnus-article-describe-key
2902 "\C-hc" gnus-article-describe-key-briefly
2904 "\C-d" gnus-article-read-summary-keys
2905 "\M-*" gnus-article-read-summary-keys
2906 "\M-#" gnus-article-read-summary-keys
2907 "\M-^" gnus-article-read-summary-keys
2908 "\M-g" gnus-article-read-summary-keys)
2910 (substitute-key-definition
2911 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
2914 (defvar gnus-article-commands-menu))
2916 (defvar gnus-article-post-menu nil)
2918 (defun gnus-article-make-menu-bar ()
2919 (gnus-turn-off-edit-menu 'article)
2920 (unless (boundp 'gnus-article-article-menu)
2922 gnus-article-article-menu gnus-article-mode-map ""
2924 ["Scroll forwards" gnus-article-goto-next-page t]
2925 ["Scroll backwards" gnus-article-goto-prev-page t]
2926 ["Show summary" gnus-article-show-summary t]
2927 ["Fetch Message-ID at point" gnus-article-refer-article t]
2928 ["Mail to address at point" gnus-article-mail t]
2929 ["Send a bug report" gnus-bug t]))
2932 gnus-article-treatment-menu gnus-article-mode-map ""
2933 ;; Fixme: this should use :active (and maybe :visible).
2935 ["Hide headers" gnus-article-hide-headers t]
2936 ["Hide signature" gnus-article-hide-signature t]
2937 ["Hide citation" gnus-article-hide-citation t]
2938 ["Treat overstrike" gnus-article-treat-overstrike t]
2939 ["Remove carriage return" gnus-article-remove-cr t]
2940 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
2941 ["Remove base64" gnus-article-de-base64-unreadable t]
2942 ["Treat html" gnus-article-wash-html t]
2943 ["Decode HZ" gnus-article-decode-HZ t]))
2945 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
2947 (when (boundp 'gnus-summary-post-menu)
2949 ((not (keymapp gnus-summary-post-menu))
2950 (setq gnus-article-post-menu gnus-summary-post-menu))
2951 ((not gnus-article-post-menu)
2952 ;; Don't share post menu.
2953 (setq gnus-article-post-menu
2954 (copy-keymap gnus-summary-post-menu))))
2955 (define-key gnus-article-mode-map [menu-bar post]
2956 (cons "Post" gnus-article-post-menu)))
2958 (gnus-run-hooks 'gnus-article-menu-hook)))
2960 ;; Fixme: do something for the Emacs tool bar in Article mode a la
2963 (defun gnus-article-mode ()
2964 "Major mode for displaying an article.
2966 All normal editing commands are switched off.
2968 The following commands are available in addition to all summary mode
2970 \\<gnus-article-mode-map>
2971 \\[gnus-article-next-page]\t Scroll the article one page forwards
2972 \\[gnus-article-prev-page]\t Scroll the article one page backwards
2973 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
2974 \\[gnus-article-show-summary]\t Display the summary buffer
2975 \\[gnus-article-mail]\t Send a reply to the address near point
2976 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
2977 \\[gnus-info-find-node]\t Go to the Gnus info node"
2979 (gnus-simplify-mode-line)
2980 (setq mode-name "Article")
2981 (setq major-mode 'gnus-article-mode)
2982 (make-local-variable 'minor-mode-alist)
2983 (use-local-map gnus-article-mode-map)
2984 (when (gnus-visual-p 'article-menu 'menu)
2985 (gnus-article-make-menu-bar))
2986 (gnus-update-format-specifications nil 'article-mode)
2987 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
2988 (make-local-variable 'gnus-page-broken)
2989 (make-local-variable 'gnus-button-marker-list)
2990 (make-local-variable 'gnus-article-current-summary)
2991 (make-local-variable 'gnus-article-mime-handles)
2992 (make-local-variable 'gnus-article-decoded-p)
2993 (make-local-variable 'gnus-article-mime-handle-alist)
2994 (make-local-variable 'gnus-article-wash-types)
2995 (make-local-variable 'gnus-article-charset)
2996 (make-local-variable 'gnus-article-ignored-charsets)
2997 (gnus-set-default-directory)
2998 (buffer-disable-undo)
2999 (setq buffer-read-only t)
3000 (set-syntax-table gnus-article-mode-syntax-table)
3001 (mm-enable-multibyte)
3002 (gnus-run-hooks 'gnus-article-mode-hook))
3004 (defun gnus-article-setup-buffer ()
3005 "Initialize the article buffer."
3006 (let* ((name (if gnus-single-article-buffer "*Article*"
3007 (concat "*Article " gnus-newsgroup-name "*")))
3009 (progn (string-match "\\*Article" name)
3010 (concat " *Original Article"
3011 (substring name (match-end 0))))))
3012 (setq gnus-article-buffer name)
3013 (setq gnus-original-article-buffer original)
3014 (setq gnus-article-mime-handle-alist nil)
3015 ;; This might be a variable local to the summary buffer.
3016 (unless gnus-single-article-buffer
3018 (set-buffer gnus-summary-buffer)
3019 (setq gnus-article-buffer name)
3020 (setq gnus-original-article-buffer original)
3021 (gnus-set-global-variables)))
3022 (gnus-article-setup-highlight-words)
3023 ;; Init original article buffer.
3025 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3026 (mm-enable-multibyte)
3027 (setq major-mode 'gnus-original-article-mode)
3028 (make-local-variable 'gnus-original-article))
3029 (if (get-buffer name)
3032 (when gnus-article-mime-handles
3033 (mm-destroy-parts gnus-article-mime-handles)
3034 (setq gnus-article-mime-handles nil))
3035 ;; Set it to nil in article-buffer!
3036 (setq gnus-article-mime-handle-alist nil)
3037 (buffer-disable-undo)
3038 (setq buffer-read-only t)
3039 (unless (eq major-mode 'gnus-article-mode)
3040 (gnus-article-mode))
3043 (set-buffer (gnus-get-buffer-create name))
3045 (make-local-variable 'gnus-summary-buffer)
3046 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3047 (current-buffer)))))
3049 ;; Set article window start at LINE, where LINE is the number of lines
3050 ;; from the head of the article.
3051 (defun gnus-article-set-window-start (&optional line)
3053 (get-buffer-window gnus-article-buffer t)
3055 (set-buffer gnus-article-buffer)
3056 (goto-char (point-min))
3059 (gnus-message 6 "Moved to bookmark")
3060 (search-forward "\n\n" nil t)
3064 (defun gnus-article-prepare (article &optional all-headers header)
3065 "Prepare ARTICLE in article mode buffer.
3066 ARTICLE should either be an article number or a Message-ID.
3067 If ARTICLE is an id, HEADER should be the article headers.
3068 If ALL-HEADERS is non-nil, no headers are hidden."
3070 ;; Make sure we start in a summary buffer.
3071 (unless (eq major-mode 'gnus-summary-mode)
3072 (set-buffer gnus-summary-buffer))
3073 (setq gnus-summary-buffer (current-buffer))
3074 (let* ((gnus-article (if header (mail-header-number header) article))
3075 (summary-buffer (current-buffer))
3076 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
3077 (group gnus-newsgroup-name)
3080 (gnus-article-setup-buffer)
3081 (set-buffer gnus-article-buffer)
3082 ;; Deactivate active regions.
3083 (when (and (boundp 'transient-mark-mode)
3084 transient-mark-mode)
3085 (setq mark-active nil))
3086 (if (not (setq result (let ((buffer-read-only nil))
3087 (gnus-request-article-this-buffer
3089 ;; There is no such article.
3091 (when (and (numberp article)
3092 (not (memq article gnus-newsgroup-sparse)))
3093 (setq gnus-article-current
3094 (cons gnus-newsgroup-name article))
3095 (set-buffer gnus-summary-buffer)
3096 (setq gnus-current-article article)
3097 (if (eq (gnus-article-mark article) gnus-undownloaded-mark)
3099 (gnus-summary-set-agent-mark article)
3100 (message "Message marked for downloading"))
3101 (gnus-summary-mark-article article gnus-canceled-mark)
3102 (unless (memq article gnus-newsgroup-sparse)
3103 (gnus-error 1 "No such article (may have expired or been canceled)")))))
3104 (if (or (eq result 'pseudo)
3105 (eq result 'nneething))
3108 (set-buffer summary-buffer)
3109 (push article gnus-newsgroup-history)
3110 (setq gnus-last-article gnus-current-article
3111 gnus-current-article 0
3112 gnus-current-headers nil
3113 gnus-article-current nil)
3114 (if (eq result 'nneething)
3115 (gnus-configure-windows 'summary)
3116 (gnus-configure-windows 'article))
3117 (gnus-set-global-variables))
3118 (let ((gnus-article-mime-handle-alist-1
3119 gnus-article-mime-handle-alist))
3120 (gnus-set-mode-line 'article)))
3121 ;; The result from the `request' was an actual article -
3122 ;; or at least some text that is now displayed in the
3124 (when (and (numberp article)
3125 (not (eq article gnus-current-article)))
3126 ;; Seems like a new article has been selected.
3127 ;; `gnus-current-article' must be an article number.
3129 (set-buffer summary-buffer)
3130 (push article gnus-newsgroup-history)
3131 (setq gnus-last-article gnus-current-article
3132 gnus-current-article article
3133 gnus-current-headers
3134 (gnus-summary-article-header gnus-current-article)
3135 gnus-article-current
3136 (cons gnus-newsgroup-name gnus-current-article))
3137 (unless (vectorp gnus-current-headers)
3138 (setq gnus-current-headers nil))
3139 (gnus-summary-goto-subject gnus-current-article)
3140 (when (gnus-summary-show-thread)
3141 ;; If the summary buffer really was folded, the
3142 ;; previous goto may not actually have gone to
3143 ;; the right article, but the thread root instead.
3145 (gnus-summary-goto-subject gnus-current-article))
3146 (gnus-run-hooks 'gnus-mark-article-hook)
3147 (gnus-set-mode-line 'summary)
3148 (when (gnus-visual-p 'article-highlight 'highlight)
3149 (gnus-run-hooks 'gnus-visual-mark-article-hook))
3150 ;; Set the global newsgroup variables here.
3151 (gnus-set-global-variables)
3152 (setq gnus-have-all-headers
3153 (or all-headers gnus-show-all-headers))))
3155 (gnus-configure-windows 'article))
3156 (when (or (numberp article)
3158 (gnus-article-prepare-display)
3160 (goto-char (point-min))
3161 (setq gnus-page-broken
3162 (when gnus-break-pages
3163 (gnus-narrow-to-page)
3165 (let ((gnus-article-mime-handle-alist-1
3166 gnus-article-mime-handle-alist))
3167 (gnus-set-mode-line 'article))
3169 (set-window-point (get-buffer-window (current-buffer)) (point))
3170 (gnus-configure-windows 'article)
3174 (defun gnus-article-prepare-display ()
3175 "Make the current buffer look like a nice article."
3176 ;; Hooks for getting information from the article.
3177 ;; This hook must be called before being narrowed.
3178 (let ((gnus-article-buffer (current-buffer))
3180 (unless (eq major-mode 'gnus-article-mode)
3181 (gnus-article-mode))
3182 (setq buffer-read-only nil
3183 gnus-article-wash-types nil)
3184 (gnus-run-hooks 'gnus-tmp-internal-hook)
3185 (when gnus-display-mime-function
3186 (funcall gnus-display-mime-function))
3187 (gnus-run-hooks 'gnus-article-prepare-hook)))
3190 ;;; Gnus MIME viewing functions
3193 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
3194 "The following specs can be used:
3196 %T MIME type, along with additional info
3197 %n The `name' parameter
3198 %d The description, if any
3199 %l The length of the encoded part
3200 %p The part identifier number
3201 %e Dots if the part isn't displayed")
3203 (defvar gnus-mime-button-line-format-alist
3204 '((?t gnus-tmp-type ?s)
3205 (?T gnus-tmp-type-long ?s)
3206 (?n gnus-tmp-name ?s)
3207 (?d gnus-tmp-description ?s)
3209 (?l gnus-tmp-length ?d)
3210 (?e gnus-tmp-dots ?s)))
3212 (defvar gnus-mime-button-commands
3213 '((gnus-article-press-button "\r" "Toggle Display")
3214 (gnus-mime-view-part "v" "View Interactively...")
3215 (gnus-mime-view-part-as-type "t" "View As Type...")
3216 (gnus-mime-view-part-as-charset "C" "View As charset...")
3217 (gnus-mime-save-part "o" "Save...")
3218 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
3219 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
3220 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
3221 (gnus-mime-internalize-part "E" "View Internally")
3222 (gnus-mime-externalize-part "e" "View Externally")
3223 (gnus-mime-pipe-part "|" "Pipe To Command...")
3224 (gnus-mime-action-on-part "." "Take action on the part")))
3226 (defun gnus-article-mime-part-status ()
3227 (if gnus-article-mime-handle-alist-1
3228 (format " (%d parts)" (length gnus-article-mime-handle-alist-1))
3231 (defvar gnus-mime-button-map
3232 (let ((map (make-sparse-keymap)))
3233 (unless (>= (string-to-number emacs-version) 21)
3234 ;; XEmacs doesn't care.
3235 (set-keymap-parent map gnus-article-mode-map))
3236 (define-key map gnus-mouse-2 'gnus-article-push-button)
3237 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
3238 (dolist (c gnus-mime-button-commands)
3239 (define-key map (cadr c) (car c)))
3242 (defun gnus-mime-button-menu (event)
3243 "Construct a context-sensitive menu of MIME commands."
3245 (save-window-excursion
3246 (let ((pos (event-start event)))
3247 (select-window (posn-window pos))
3248 (goto-char (posn-point pos))
3249 (gnus-article-check-buffer)
3250 (let ((response (x-popup-menu
3252 ("" ,@(mapcar (lambda (c)
3253 (cons (caddr c) (car c)))
3254 gnus-mime-button-commands))))))
3256 (call-interactively response))))))
3258 (defun gnus-mime-view-all-parts (&optional handles)
3259 "View all the MIME parts."
3261 (save-current-buffer
3262 (set-buffer gnus-article-buffer)
3263 (let ((handles (or handles gnus-article-mime-handles))
3264 (mail-parse-charset gnus-newsgroup-charset)
3265 (mail-parse-ignored-charsets
3266 (with-current-buffer gnus-summary-buffer
3267 gnus-newsgroup-ignored-charsets)))
3269 (mm-remove-parts handles)
3270 (goto-char (point-min))
3271 (or (search-forward "\n\n") (goto-char (point-max)))
3272 (let (buffer-read-only)
3273 (delete-region (point) (point-max)))
3274 (mm-display-parts handles)))))
3276 (defun gnus-mime-save-part-and-strip ()
3277 "Save the MIME part under point then replace it with an external body."
3279 (gnus-article-check-buffer)
3280 (let* ((data (get-text-property (point) 'gnus-data))
3282 (if (mm-multiple-handles gnus-article-mime-handles)
3283 (error "This function is not implemented."))
3284 (setq file (and data (mm-save-part data)))
3286 (with-current-buffer (mm-handle-buffer data)
3288 (insert "Content-Type: " (mm-handle-media-type data))
3289 (mml-insert-parameter-string (cdr (mm-handle-type data))
3292 (insert "Content-ID: " (message-make-message-id) "\n")
3293 (insert "Content-Transfer-Encoding: binary\n")
3296 (cdr (mm-make-handle nil
3297 `("message/external-body"
3298 (access-type . "LOCAL-FILE")
3300 (set-buffer gnus-summary-buffer)
3301 (gnus-article-edit-article
3304 (let ((mail-parse-charset (or gnus-article-charset
3305 ',gnus-newsgroup-charset))
3306 (mail-parse-ignored-charsets
3307 (or gnus-article-ignored-charsets
3308 ',gnus-newsgroup-ignored-charsets))
3309 (mbl mml-buffer-list))
3310 (setq mml-buffer-list nil)
3311 (insert-buffer gnus-original-article-buffer)
3312 (mime-to-mml gnus-article-mime-handles)
3313 (setq gnus-article-mime-handles nil)
3314 (make-local-hook 'kill-buffer-hook)
3315 (let ((mbl1 mml-buffer-list))
3316 (setq mml-buffer-list mbl)
3317 (set (make-local-variable 'mml-buffer-list) mbl1))
3318 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
3319 `(lambda (no-highlight)
3320 (let ((mail-parse-charset (or gnus-article-charset
3321 ',gnus-newsgroup-charset))
3322 (message-options message-options)
3323 (message-options-set-recipient)
3324 (mail-parse-ignored-charsets
3325 (or gnus-article-ignored-charsets
3326 ',gnus-newsgroup-ignored-charsets)))
3328 (mml-destroy-buffers)
3329 (remove-hook 'kill-buffer-hook
3330 'mml-destroy-buffers t)
3331 (kill-local-variable 'mml-buffer-list))
3332 (gnus-summary-edit-article-done
3333 ,(or (mail-header-references gnus-current-headers) "")
3334 ,(gnus-group-read-only-p)
3335 ,gnus-summary-buffer no-highlight))))))
3337 (defun gnus-mime-save-part ()
3338 "Save the MIME part under point."
3340 (gnus-article-check-buffer)
3341 (let ((data (get-text-property (point) 'gnus-data)))
3343 (mm-save-part data))))
3345 (defun gnus-mime-pipe-part ()
3346 "Pipe the MIME part under point to a process."
3348 (gnus-article-check-buffer)
3349 (let ((data (get-text-property (point) 'gnus-data)))
3351 (mm-pipe-part data))))
3353 (defun gnus-mime-view-part ()
3354 "Interactively choose a viewing method for the MIME part under point."
3356 (gnus-article-check-buffer)
3357 (let ((data (get-text-property (point) 'gnus-data)))
3359 (setq gnus-article-mime-handles
3361 gnus-article-mime-handles (setq data (copy-sequence data))))
3362 (mm-interactively-view-part data))))
3364 (defun gnus-mime-view-part-as-type-internal ()
3365 (gnus-article-check-buffer)
3366 (let* ((name (mail-content-type-get
3367 (mm-handle-type (get-text-property (point) 'gnus-data))
3369 (def-type (and name (mm-default-file-encoding name))))
3370 (and def-type (cons def-type 0))))
3372 (defun gnus-mime-view-part-as-type (&optional mime-type)
3373 "Choose a MIME media type, and view the part as such."
3376 (setq mime-type (completing-read
3377 "View as MIME type: "
3378 (mapcar #'list (mailcap-mime-types))
3380 (gnus-mime-view-part-as-type-internal))))
3381 (gnus-article-check-buffer)
3382 (let ((handle (get-text-property (point) 'gnus-data)))
3385 (mm-make-handle (mm-handle-buffer handle)
3386 (cons mime-type (cdr (mm-handle-type handle)))
3387 (mm-handle-encoding handle)
3388 (mm-handle-undisplayer handle)
3389 (mm-handle-disposition handle)
3390 (mm-handle-description handle)
3391 (mm-handle-cache handle)
3392 (mm-handle-id handle)))
3393 (setq gnus-article-mime-handles
3394 (mm-merge-handles gnus-article-mime-handles handle))
3395 (gnus-mm-display-part handle))))
3397 (defun gnus-mime-copy-part (&optional handle)
3398 "Put the the MIME part under point into a new buffer."
3400 (gnus-article-check-buffer)
3401 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3402 (contents (and handle (mm-get-part handle)))
3404 (file-name-nondirectory
3406 (mail-content-type-get (mm-handle-type handle) 'name)
3407 (mail-content-type-get (mm-handle-type handle)
3410 (buffer (and base (generate-new-buffer base))))
3412 (switch-to-buffer buffer)
3414 ;; We do it this way to make `normal-mode' set the appropriate mode.
3417 (setq buffer-file-name (expand-file-name base))
3419 (setq buffer-file-name nil))
3420 (goto-char (point-min)))))
3422 (defun gnus-mime-inline-part (&optional handle arg)
3423 "Insert the MIME part under point into the current buffer."
3424 (interactive (list nil current-prefix-arg))
3425 (gnus-article-check-buffer)
3426 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3431 (if (and (not arg) (mm-handle-undisplayer handle))
3432 (mm-remove-part handle)
3433 (setq contents (mm-get-part handle))
3436 (setq charset (or (mail-content-type-get
3437 (mm-handle-type handle) 'charset)
3438 gnus-newsgroup-charset)))
3440 (if (mm-handle-undisplayer handle)
3441 (mm-remove-part handle))
3444 gnus-summary-show-article-charset-alist))
3445 (read-coding-system "Charset: ")))))
3447 (mm-insert-inline handle
3449 (setq charset (mm-charset-to-coding-system
3451 (not (eq charset 'ascii)))
3452 (mm-decode-coding-string contents charset)
3456 (defun gnus-mime-view-part-as-charset (&optional handle arg)
3457 "Insert the MIME part under point into the current buffer."
3458 (interactive (list nil current-prefix-arg))
3459 (gnus-article-check-buffer)
3460 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3465 (if (mm-handle-undisplayer handle)
3466 (mm-remove-part handle))
3467 (let ((gnus-newsgroup-charset
3469 gnus-summary-show-article-charset-alist))
3470 (read-coding-system "Charset: ")))
3471 (gnus-newsgroup-ignored-charsets 'gnus-all))
3472 (gnus-article-press-button)))))
3474 (defun gnus-mime-externalize-part (&optional handle)
3475 "View the MIME part under point with an external viewer."
3477 (gnus-article-check-buffer)
3478 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3479 (mm-user-display-methods nil)
3480 (mm-inlined-types nil)
3481 (mail-parse-charset gnus-newsgroup-charset)
3482 (mail-parse-ignored-charsets
3483 (save-excursion (set-buffer gnus-summary-buffer)
3484 gnus-newsgroup-ignored-charsets)))
3486 (if (mm-handle-undisplayer handle)
3487 (mm-remove-part handle)
3488 (mm-display-part handle)))))
3490 (defun gnus-mime-internalize-part (&optional handle)
3491 "View the MIME part under point with an internal viewer.
3492 In no internal viewer is available, use an external viewer."
3494 (gnus-article-check-buffer)
3495 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3496 (mm-inlined-types '(".*"))
3497 (mm-inline-large-images t)
3498 (mail-parse-charset gnus-newsgroup-charset)
3499 (mail-parse-ignored-charsets
3500 (save-excursion (set-buffer gnus-summary-buffer)
3501 gnus-newsgroup-ignored-charsets)))
3503 (if (mm-handle-undisplayer handle)
3504 (mm-remove-part handle)
3505 (mm-display-part handle)))))
3507 (defun gnus-mime-action-on-part (&optional action)
3508 "Do something with the MIME attachment at \(point\)."
3510 (list (completing-read "Action: " gnus-mime-action-alist)))
3511 (gnus-article-check-buffer)
3512 (let ((action-pair (assoc action gnus-mime-action-alist)))
3514 (funcall (cdr action-pair)))))
3516 (defun gnus-article-part-wrapper (n function)
3517 (save-current-buffer
3518 (set-buffer gnus-article-buffer)
3519 (when (> n (length gnus-article-mime-handle-alist))
3520 (error "No such part"))
3521 (gnus-article-goto-part n)
3522 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
3523 (funcall function handle))))
3525 (defun gnus-article-pipe-part (n)
3526 "Pipe MIME part N, which is the numerical prefix."
3528 (gnus-article-part-wrapper n 'mm-pipe-part))
3530 (defun gnus-article-save-part (n)
3531 "Save MIME part N, which is the numerical prefix."
3533 (gnus-article-part-wrapper n 'mm-save-part))
3535 (defun gnus-article-interactively-view-part (n)
3536 "View MIME part N interactively, which is the numerical prefix."
3538 (gnus-article-part-wrapper n 'mm-interactively-view-part))
3540 (defun gnus-article-copy-part (n)
3541 "Copy MIME part N, which is the numerical prefix."
3543 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
3545 (defun gnus-article-view-part-as-charset (n)
3546 "Copy MIME part N, which is the numerical prefix."
3548 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
3550 (defun gnus-article-externalize-part (n)
3551 "View MIME part N externally, which is the numerical prefix."
3553 (gnus-article-part-wrapper n 'gnus-mime-externalize-part))
3555 (defun gnus-article-inline-part (n)
3556 "Inline MIME part N, which is the numerical prefix."
3558 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
3560 (defun gnus-article-mime-match-handle-first (condition)
3562 (let ((alist gnus-article-mime-handle-alist) ihandle n)
3563 (while (setq ihandle (pop alist))
3565 ((functionp condition)
3566 (funcall condition (cdr ihandle)))
3567 ((eq condition 'undisplayed)
3568 (not (or (mm-handle-undisplayer (cdr ihandle))
3569 (equal (mm-handle-media-type (cdr ihandle))
3570 "multipart/alternative"))))
3571 ((eq condition 'undisplayed-alternative)
3572 (not (mm-handle-undisplayer (cdr ihandle))))
3574 (gnus-article-goto-part (car ihandle))
3575 (or (not n) (< (car ihandle) n)))
3576 (setq n (car ihandle))))
3580 (defun gnus-article-view-part (&optional n)
3581 "View MIME part N, which is the numerical prefix."
3583 (save-current-buffer
3584 (set-buffer gnus-article-buffer)
3585 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
3586 gnus-article-mime-match-handle-function)))
3587 (when (> n (length gnus-article-mime-handle-alist))
3588 (error "No such part"))
3589 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
3590 (when (gnus-article-goto-part n)
3591 (if (equal (car handle) "multipart/alternative")
3592 (gnus-article-press-button)
3593 (when (eq (gnus-mm-display-part handle) 'internal)
3594 (gnus-set-window-start)))))))
3596 (defsubst gnus-article-mime-total-parts ()
3597 (if (bufferp (car gnus-article-mime-handles))
3599 (1- (length gnus-article-mime-handles))))
3601 (defun gnus-mm-display-part (handle)
3602 "Display HANDLE and fix MIME button."
3603 (let ((id (get-text-property (point) 'gnus-part))
3608 (let ((window (selected-window))
3609 (mail-parse-charset gnus-newsgroup-charset)
3610 (mail-parse-ignored-charsets
3611 (save-excursion (set-buffer gnus-summary-buffer)
3612 gnus-newsgroup-ignored-charsets)))
3615 (let ((win (get-buffer-window (current-buffer) t))
3618 (select-window win))
3621 (if (mm-handle-displayed-p handle)
3622 ;; This will remove the part.
3623 (mm-display-part handle)
3625 (narrow-to-region (point) (1+ (point)))
3626 (mm-display-part handle)
3627 ;; We narrow to the part itself and
3628 ;; then call the treatment functions.
3629 (goto-char (point-min))
3631 (narrow-to-region (point) (point-max))
3634 (gnus-article-mime-total-parts)
3635 (mm-handle-media-type handle)))))
3636 (select-window window))))
3638 (delete-region (gnus-point-at-bol) (progn (forward-line 1) (point)))
3639 (gnus-insert-mime-button
3640 handle id (list (mm-handle-displayed-p handle)))
3641 (goto-char point))))
3643 (defun gnus-article-goto-part (n)
3644 "Go to MIME part N."
3645 (let ((point (text-property-any (point-min) (point-max) 'gnus-part n)))
3647 (goto-char point))))
3649 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
3650 (let ((gnus-tmp-name
3651 (or (mail-content-type-get (mm-handle-type handle)
3653 (mail-content-type-get (mm-handle-disposition handle)
3655 (mail-content-type-get (mm-handle-type handle)
3658 (gnus-tmp-type (mm-handle-media-type handle))
3659 (gnus-tmp-description
3660 (mail-decode-encoded-word-string (or (mm-handle-description handle)
3663 (if (if displayed (car displayed)
3664 (mm-handle-displayed-p handle))
3666 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
3668 gnus-tmp-type-long b e)
3669 (when (string-match ".*/" gnus-tmp-name)
3670 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
3671 (setq gnus-tmp-type-long (concat gnus-tmp-type
3672 (and (not (equal gnus-tmp-name ""))
3673 (concat "; " gnus-tmp-name))))
3674 (or (equal gnus-tmp-description "")
3675 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
3680 gnus-mime-button-line-format gnus-mime-button-line-format-alist
3681 `(keymap ,gnus-mime-button-map
3682 ,@(if (>= (string-to-number emacs-version) 21)
3684 (list 'local-map gnus-mime-button-map))
3685 gnus-callback gnus-mm-display-part
3686 gnus-part ,gnus-tmp-id
3687 article-type annotation
3690 (widget-convert-button
3693 :action 'gnus-widget-press-button
3694 :button-keymap gnus-mime-button-map
3696 (lambda (widget/window &optional overlay pos)
3697 ;; Needed to properly clear the message due to a bug in
3698 ;; wid-edit (XEmacs only).
3699 (if (boundp 'help-echo-owns-message)
3700 (setq help-echo-owns-message t))
3702 "%S: %s the MIME part; %S: more options"
3703 (aref gnus-mouse-2 0)
3704 ;; XEmacs will get a single widget arg; Emacs 21 will get
3705 ;; window, overlay, position.
3706 (if (mm-handle-displayed-p
3708 (with-current-buffer (gnus-overlay-buffer overlay)
3709 (widget-get (widget-at (gnus-overlay-start overlay))
3711 (widget-get widget/window :mime-handle)))
3713 (aref gnus-down-mouse-3 0))))))
3715 (defun gnus-widget-press-button (elems el)
3716 (goto-char (widget-get elems :from))
3717 (gnus-article-press-button))
3719 (defvar gnus-displaying-mime nil)
3721 (defun gnus-display-mime (&optional ihandles)
3722 "Display the MIME parts."
3724 (save-selected-window
3725 (let ((window (get-buffer-window gnus-article-buffer))
3728 (select-window window)
3729 ;; We have to do this since selecting the window
3730 ;; may change the point. So we set the window point.
3731 (set-window-point window point)))
3732 (let* ((handles (or ihandles (mm-dissect-buffer) (mm-uu-dissect)))
3733 buffer-read-only handle name type b e display)
3734 (when (and (not ihandles)
3735 (not gnus-displaying-mime))
3736 ;; Top-level call; we clean up.
3737 (when gnus-article-mime-handles
3738 (mm-destroy-parts gnus-article-mime-handles)
3739 (setq gnus-article-mime-handle-alist nil));; A trick.
3740 (setq gnus-article-mime-handles handles)
3741 ;; We allow users to glean info from the handles.
3742 (when gnus-article-mime-part-function
3743 (gnus-mime-part-function handles)))
3745 (or (not (stringp (car handles)))
3748 (when (and (not ihandles)
3749 (not gnus-displaying-mime))
3750 ;; Clean up for mime parts.
3752 (delete-region (point) (point-max)))
3753 (let ((gnus-displaying-mime t))
3754 (gnus-mime-display-part handles)))
3757 (narrow-to-region (point) (point-max))
3758 (gnus-treat-article nil 1 1)
3761 ;; Highlight the headers.
3765 (narrow-to-region (point-min) (point))
3766 (gnus-treat-article 'head))))))))
3768 (defvar gnus-mime-display-multipart-as-mixed nil)
3770 (defun gnus-mime-display-part (handle)
3773 ((not (stringp (car handle)))
3774 (gnus-mime-display-single handle))
3775 ;; User-defined multipart
3776 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
3777 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
3779 ;; multipart/alternative
3780 ((and (equal (car handle) "multipart/alternative")
3781 (not gnus-mime-display-multipart-as-mixed))
3782 (let ((id (1+ (length gnus-article-mime-handle-alist))))
3783 (push (cons id handle) gnus-article-mime-handle-alist)
3784 (gnus-mime-display-alternative (cdr handle) nil nil id)))
3785 ;; multipart/related
3786 ((and (equal (car handle) "multipart/related")
3787 (not gnus-mime-display-multipart-as-mixed))
3788 ;;;!!!We should find the start part, but we just default
3789 ;;;!!!to the first part.
3790 ;;(gnus-mime-display-part (cadr handle))
3791 ;;;!!! Most multipart/related is an HTML message plus images.
3792 ;;;!!! Unfortunately we are unable to let W3 display those
3793 ;;;!!! included images, so we just display it as a mixed multipart.
3794 ;;(gnus-mime-display-mixed (cdr handle))
3795 ;;;!!! No, w3 can display everything just fine.
3796 (gnus-mime-display-part (cadr handle)))
3797 ((equal (car handle) "multipart/signed")
3798 (or (memq 'signed gnus-article-wash-types)
3799 (push 'signed gnus-article-wash-types))
3800 (gnus-mime-display-security handle))
3801 ((equal (car handle) "multipart/encrypted")
3802 (or (memq 'encrypted gnus-article-wash-types)
3803 (push 'encrypted gnus-article-wash-types))
3804 (gnus-mime-display-security handle))
3805 ;; Other multiparts are handled like multipart/mixed.
3807 (gnus-mime-display-mixed (cdr handle)))))
3809 (defun gnus-mime-part-function (handles)
3810 (if (stringp (car handles))
3811 (mapcar 'gnus-mime-part-function (cdr handles))
3812 (funcall gnus-article-mime-part-function handles)))
3814 (defun gnus-mime-display-mixed (handles)
3815 (mapcar 'gnus-mime-display-part handles))
3817 (defun gnus-mime-display-single (handle)
3818 (let ((type (mm-handle-media-type handle))
3819 (ignored gnus-ignored-mime-types)
3826 (when (string-match (pop ignored) type)
3827 (throw 'ignored nil)))
3828 (if (and (setq not-attachment
3829 (and (not (mm-inline-override-p handle))
3830 (or (not (mm-handle-disposition handle))
3831 (equal (car (mm-handle-disposition handle))
3833 (mm-attachment-override-p handle))))
3834 (mm-automatic-display-p handle)
3835 (or (mm-inlined-p handle)
3836 (mm-automatic-external-display-p type)))
3838 (when (equal (mm-handle-media-supertype handle) "text")
3840 (let ((id (1+ (length gnus-article-mime-handle-alist)))
3842 (push (cons id handle) gnus-article-mime-handle-alist)
3843 (when (or (not display)
3844 (not (gnus-unbuttonized-mime-type-p type)))
3845 ;(gnus-article-insert-newline)
3846 (gnus-insert-mime-button
3847 handle id (list (or display (and not-attachment text))))
3848 (gnus-article-insert-newline)
3849 ;(gnus-article-insert-newline)
3850 ;; Remember modify the number of forward lines.
3858 (let ((mail-parse-charset gnus-newsgroup-charset)
3859 (mail-parse-ignored-charsets
3860 (save-excursion (condition-case ()
3861 (set-buffer gnus-summary-buffer)
3863 gnus-newsgroup-ignored-charsets)))
3864 (mm-display-part handle t))
3865 (goto-char (point-max)))
3866 ((and text not-attachment)
3870 (gnus-article-insert-newline)
3871 (mm-insert-inline handle (mm-get-part handle))
3872 (goto-char (point-max))))
3876 (narrow-to-region beg (point))
3879 (gnus-article-mime-total-parts)
3880 (mm-handle-media-type handle)))))))))
3882 (defun gnus-unbuttonized-mime-type-p (type)
3883 "Say whether TYPE is to be unbuttonized."
3884 (unless gnus-inhibit-mime-unbuttonizing
3886 (let ((types gnus-unbuttonized-mime-types))
3888 (when (string-match (pop types) type)
3889 (throw 'found t)))))))
3891 (defun gnus-article-insert-newline ()
3892 "Insert a newline, but mark it as undeletable."
3893 (gnus-put-text-property
3894 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
3896 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
3897 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
3900 handle buffer-read-only from props begend not-pref)
3901 (save-window-excursion
3904 (narrow-to-region (car ibegend)
3907 (goto-char (car ibegend))
3910 (delete-region (point-min) (point-max))
3911 (mm-remove-parts handles))
3912 (setq begend (list (point-marker)))
3914 (unless (setq not-pref (cadr (member preferred ihandles)))
3915 (setq not-pref (car ihandles)))
3918 (not (gnus-unbuttonized-mime-type-p
3919 "multipart/alternative")))
3920 (gnus-add-text-properties
3923 (insert (format "%d. " id))
3927 (unless ,(not ibegend)
3928 (setq gnus-article-mime-handle-alist
3929 ',gnus-article-mime-handle-alist))
3930 (gnus-mime-display-alternative
3931 ',ihandles ',not-pref ',begend ,id))
3932 ,@(if (>= (string-to-number emacs-version) 21)
3933 nil ;; XEmacs doesn't care
3934 (list 'local-map gnus-mime-button-map))
3935 ,gnus-mouse-face-prop ,gnus-article-mouse-face
3936 face ,gnus-article-button-face
3937 keymap ,gnus-mime-button-map
3940 (widget-convert-button 'link from (point)
3941 :action 'gnus-widget-press-button
3942 :button-keymap gnus-widget-button-keymap)
3944 (while (setq handle (pop handles))
3945 (gnus-add-text-properties
3948 (insert (format "(%c) %-18s"
3949 (if (equal handle preferred) ?* ? )
3950 (mm-handle-media-type handle)))
3954 (unless ,(not ibegend)
3955 (setq gnus-article-mime-handle-alist
3956 ',gnus-article-mime-handle-alist))
3957 (gnus-mime-display-alternative
3958 ',ihandles ',handle ',begend ,id))
3959 ,@(if (>= (string-to-number emacs-version) 21)
3960 nil ;; XEmacs doesn't care
3961 (list 'local-map gnus-mime-button-map))
3962 ,gnus-mouse-face-prop ,gnus-article-mouse-face
3963 face ,gnus-article-button-face
3964 keymap ,gnus-mime-button-map
3967 (widget-convert-button 'link from (point)
3968 :action 'gnus-widget-press-button
3969 :button-keymap gnus-widget-button-keymap)
3973 (if (stringp (car preferred))
3974 (gnus-display-mime preferred)
3975 (let ((mail-parse-charset gnus-newsgroup-charset)
3976 (mail-parse-ignored-charsets
3977 (save-excursion (set-buffer gnus-summary-buffer)
3978 gnus-newsgroup-ignored-charsets)))
3979 (mm-display-part preferred)
3983 (narrow-to-region (car begend) (point-max))
3985 nil (length gnus-article-mime-handle-alist)
3986 (gnus-article-mime-total-parts)
3987 (mm-handle-media-type handle))))))
3988 (goto-char (point-max))
3989 (setcdr begend (point-marker)))))
3991 (goto-char point))))
3993 (defun gnus-article-wash-status ()
3994 "Return a string which display status of article washing."
3996 (set-buffer gnus-article-buffer)
3997 (let ((cite (memq 'cite gnus-article-wash-types))
3998 (headers (memq 'headers gnus-article-wash-types))
3999 (boring (memq 'boring-headers gnus-article-wash-types))
4000 (pgp (memq 'pgp gnus-article-wash-types))
4001 (pem (memq 'pem gnus-article-wash-types))
4002 (signed (memq 'signed gnus-article-wash-types))
4003 (encrypted (memq 'encrypted gnus-article-wash-types))
4004 (signature (memq 'signature gnus-article-wash-types))
4005 (overstrike (memq 'overstrike gnus-article-wash-types))
4006 (emphasis (memq 'emphasis gnus-article-wash-types)))
4007 (format "%c%c%c%c%c%c"
4009 (if (or headers boring) ?h ? )
4010 (if (or pgp pem signed encrypted) ?p ? )
4011 (if signature ?s ? )
4012 (if overstrike ?o ? )
4013 (if emphasis ?e ? )))))
4015 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
4017 (defun gnus-article-maybe-hide-headers ()
4018 "Hide unwanted headers if `gnus-have-all-headers' is nil.
4019 Provided for backwards compatibility."
4020 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
4021 (not (save-excursion (set-buffer gnus-summary-buffer)
4022 gnus-have-all-headers)))
4023 (not gnus-inhibit-hiding))
4024 (gnus-article-hide-headers)))
4028 (defun gnus-output-to-file (file-name)
4029 "Append the current article to a file named FILE-NAME."
4030 (let ((artbuf (current-buffer)))
4032 (insert-buffer-substring artbuf)
4033 ;; Append newline at end of the buffer as separator, and then
4035 (goto-char (point-max))
4037 (mm-append-to-file (point-min) (point-max) file-name)
4040 (defun gnus-narrow-to-page (&optional arg)
4041 "Narrow the article buffer to a page.
4042 If given a numerical ARG, move forward ARG pages."
4044 (setq arg (if arg (prefix-numeric-value arg) 0))
4046 (set-buffer gnus-article-buffer)
4047 (goto-char (point-min))
4049 ;; Remove any old next/prev buttons.
4050 (when (gnus-visual-p 'page-marker)
4051 (let ((buffer-read-only nil))
4052 (gnus-remove-text-with-property 'gnus-prev)
4053 (gnus-remove-text-with-property 'gnus-next)))
4056 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
4058 (re-search-forward page-delimiter nil 'move arg)))
4059 (goto-char (match-end 0)))
4062 (if (re-search-forward page-delimiter nil 'move)
4065 (when (and (gnus-visual-p 'page-marker)
4066 (not (= (point-min) 1)))
4068 (goto-char (point-min))
4069 (gnus-insert-prev-page-button)))
4070 (when (and (gnus-visual-p 'page-marker)
4071 (< (+ (point-max) 2) (buffer-size)))
4073 (goto-char (point-max))
4074 (gnus-insert-next-page-button)))))
4076 ;; Article mode commands
4078 (defun gnus-article-goto-next-page ()
4079 "Show the next page of the article."
4081 (when (gnus-article-next-page)
4082 (goto-char (point-min))
4083 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
4085 (defun gnus-article-goto-prev-page ()
4086 "Show the next page of the article."
4088 (if (bobp) (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
4089 (gnus-article-prev-page nil)))
4091 (defun gnus-article-next-page (&optional lines)
4092 "Show the next page of the current article.
4093 If end of article, return non-nil. Otherwise return nil.
4094 Argument LINES specifies lines to be scrolled up."
4096 (move-to-window-line -1)
4099 (and (pos-visible-in-window-p) ;Not continuation line.
4101 ;; Nothing in this page.
4102 (if (or (not gnus-page-broken)
4105 (widen) (forward-line 1) (eobp)))) ;Real end-of-buffer?
4107 (gnus-narrow-to-page 1) ;Go to next page.
4109 ;; More in this page.
4110 (let ((scroll-in-place nil))
4114 ;; Long lines may cause an end-of-buffer error.
4115 (goto-char (point-max)))))
4116 (move-to-window-line 0)
4119 (defun gnus-article-prev-page (&optional lines)
4120 "Show previous page of current article.
4121 Argument LINES specifies lines to be scrolled down."
4123 (move-to-window-line 0)
4124 (if (and gnus-page-broken
4126 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
4128 (gnus-narrow-to-page -1) ;Go to previous page.
4129 (goto-char (point-max))
4131 (let ((scroll-in-place nil))
4135 (beginning-of-buffer
4136 (goto-char (point-min))))
4137 (move-to-window-line 0)))))
4139 (defun gnus-article-refer-article ()
4140 "Read article specified by message-id around point."
4142 (let ((point (point)))
4143 (search-forward ">" nil t) ;Move point to end of "<....>".
4144 (if (re-search-backward "\\(<[^<> \t\n]+>\\)" nil t)
4145 (let ((message-id (match-string 1)))
4147 (set-buffer gnus-summary-buffer)
4148 (gnus-summary-refer-article message-id))
4150 (error "No references around point"))))
4152 (defun gnus-article-show-summary ()
4153 "Reconfigure windows to show summary buffer."
4155 (if (not (gnus-buffer-live-p gnus-summary-buffer))
4156 (error "There is no summary buffer for this article buffer")
4157 (gnus-article-set-globals)
4158 (gnus-configure-windows 'article)
4159 (gnus-summary-goto-subject gnus-current-article)
4160 (gnus-summary-position-point)))
4162 (defun gnus-article-describe-briefly ()
4163 "Describe article mode commands briefly."
4165 (gnus-message 6 (substitute-command-keys "\\<gnus-article-mode-map>\\[gnus-article-goto-next-page]:Next page \\[gnus-article-goto-prev-page]:Prev page \\[gnus-article-show-summary]:Show summary \\[gnus-info-find-node]:Run Info \\[gnus-article-describe-briefly]:This help")))
4167 (defun gnus-article-summary-command ()
4168 "Execute the last keystroke in the summary buffer."
4170 (let ((obuf (current-buffer))
4171 (owin (current-window-configuration))
4173 (switch-to-buffer gnus-article-current-summary 'norecord)
4174 (setq func (lookup-key (current-local-map) (this-command-keys)))
4175 (call-interactively func)
4177 (set-window-configuration owin)
4178 (set-window-point (get-buffer-window (current-buffer)) (point))))
4180 (defun gnus-article-summary-command-nosave ()
4181 "Execute the last keystroke in the summary buffer."
4184 (pop-to-buffer gnus-article-current-summary 'norecord)
4185 (setq func (lookup-key (current-local-map) (this-command-keys)))
4186 (call-interactively func)))
4188 (defun gnus-article-check-buffer ()
4189 "Beep if not in an article buffer."
4190 (unless (equal major-mode 'gnus-article-mode)
4191 (error "Command invoked outside of a Gnus article buffer")))
4193 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
4194 "Read a summary buffer key sequence and execute it from the article buffer."
4196 (gnus-article-check-buffer)
4198 '("q" "Q" "c" "r" "R" "\C-c\C-f" "m" "a" "f" "F"
4199 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
4200 "=" "^" "\M-^" "|"))
4206 '("n" "Gn" "p" "Gp"))
4209 (set-buffer gnus-article-current-summary)
4210 (let (gnus-pick-mode)
4211 (push (or key last-command-event) unread-command-events)
4212 (setq keys (if (featurep 'xemacs)
4213 (events-to-keys (read-key-sequence nil))
4214 (read-key-sequence nil)))))
4218 (if (or (member keys nosaves)
4219 (member keys nosave-but-article)
4220 (member keys nosave-in-article))
4222 (save-window-excursion
4223 (pop-to-buffer gnus-article-current-summary 'norecord)
4224 ;; We disable the pick minor mode commands.
4225 (let (gnus-pick-mode)
4226 (setq func (lookup-key (current-local-map) keys))))
4230 (unless (member keys nosave-in-article)
4231 (set-buffer gnus-article-current-summary))
4232 (call-interactively func)
4233 (setq new-sum-point (point)))
4234 (when (member keys nosave-but-article)
4235 (pop-to-buffer gnus-article-buffer 'norecord)))
4236 ;; These commands should restore window configuration.
4237 (let ((obuf (current-buffer))
4238 (owin (current-window-configuration))
4240 (summary gnus-article-current-summary)
4241 func in-buffer selected)
4242 (if not-restore-window
4243 (pop-to-buffer summary 'norecord)
4244 (switch-to-buffer summary 'norecord))
4245 (setq in-buffer (current-buffer))
4246 ;; We disable the pick minor mode commands.
4247 (if (and (setq func (let (gnus-pick-mode)
4248 (lookup-key (current-local-map) keys)))
4251 (call-interactively func)
4252 (setq new-sum-point (point))
4253 (when (eq in-buffer (current-buffer))
4254 (setq selected (gnus-summary-select-article))
4256 (unless not-restore-window
4257 (set-window-configuration owin))
4258 (when (eq selected 'old)
4260 (set-window-start (get-buffer-window (current-buffer))
4262 (set-window-point (get-buffer-window (current-buffer))
4264 (let ((win (get-buffer-window gnus-article-current-summary)))
4266 (set-window-point win new-sum-point)))) )
4267 (switch-to-buffer gnus-article-buffer)
4270 (defun gnus-article-describe-key (key)
4271 "Display documentation of the function invoked by KEY. KEY is a string."
4272 (interactive "kDescribe key: ")
4273 (gnus-article-check-buffer)
4274 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
4276 (set-buffer gnus-article-current-summary)
4277 (let (gnus-pick-mode)
4278 (push (elt key 0) unread-command-events)
4279 (setq key (if (featurep 'xemacs)
4280 (events-to-keys (read-key-sequence "Describe key: "))
4281 (read-key-sequence "Describe key: "))))
4283 (describe-key key)))
4285 (defun gnus-article-describe-key-briefly (key &optional insert)
4286 "Display documentation of the function invoked by KEY. KEY is a string."
4287 (interactive "kDescribe key: \nP")
4288 (gnus-article-check-buffer)
4289 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
4291 (set-buffer gnus-article-current-summary)
4292 (let (gnus-pick-mode)
4293 (push (elt key 0) unread-command-events)
4294 (setq key (if (featurep 'xemacs)
4295 (events-to-keys (read-key-sequence "Describe key: "))
4296 (read-key-sequence "Describe key: "))))
4297 (describe-key-briefly key insert))
4298 (describe-key-briefly key insert)))
4300 (defun gnus-article-hide (&optional arg force)
4301 "Hide all the gruft in the current article.
4302 This means that PGP stuff, signatures, cited text and (some)
4303 headers will be hidden.
4304 If given a prefix, show the hidden text instead."
4305 (interactive (append (gnus-article-hidden-arg) (list 'force)))
4306 (gnus-article-hide-headers arg)
4307 (gnus-article-hide-list-identifiers arg)
4308 (gnus-article-hide-pgp arg)
4309 (gnus-article-hide-citation-maybe arg force)
4310 (gnus-article-hide-signature arg))
4312 (defun gnus-article-maybe-highlight ()
4313 "Do some article highlighting if article highlighting is requested."
4314 (when (gnus-visual-p 'article-highlight 'highlight)
4315 (gnus-article-highlight-some)))
4317 (defun gnus-check-group-server ()
4318 ;; Make sure the connection to the server is alive.
4319 (unless (gnus-server-opened
4320 (gnus-find-method-for-group gnus-newsgroup-name))
4321 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
4322 (gnus-request-group gnus-newsgroup-name t)))
4324 (defun gnus-request-article-this-buffer (article group)
4325 "Get an article and insert it into this buffer."
4326 (let (do-update-line sparse-header)
4330 (gnus-kill-all-overlays)
4331 (setq group (or group gnus-newsgroup-name))
4333 ;; Using `gnus-request-article' directly will insert the article into
4334 ;; `nntp-server-buffer' - so we'll save some time by not having to
4335 ;; copy it from the server buffer into the article buffer.
4337 ;; We only request an article by message-id when we do not have the
4338 ;; headers for it, so we'll have to get those.
4339 (when (stringp article)
4340 (gnus-read-header article))
4342 ;; If the article number is negative, that means that this article
4343 ;; doesn't belong in this newsgroup (possibly), so we find its
4344 ;; message-id and request it by id instead of number.
4345 (when (and (numberp article)
4347 (get-buffer gnus-summary-buffer)
4348 (gnus-buffer-exists-p gnus-summary-buffer))
4350 (set-buffer gnus-summary-buffer)
4351 (let ((header (gnus-summary-article-header article)))
4354 ((memq article gnus-newsgroup-sparse)
4355 ;; This is a sparse gap article.
4356 (setq do-update-line article)
4357 (setq article (mail-header-id header))
4358 (setq sparse-header (gnus-read-header article))
4359 (setq gnus-newsgroup-sparse
4360 (delq article gnus-newsgroup-sparse)))
4362 ;; It's a real article.
4363 (setq article (mail-header-id header)))
4365 ;; It is an extracted pseudo-article.
4366 (setq article 'pseudo)
4367 (gnus-request-pseudo-article header))))
4369 (let ((method (gnus-find-method-for-group
4370 gnus-newsgroup-name)))
4371 (when (and (eq (car method) 'nneething)
4373 (let ((dir (expand-file-name
4374 (mail-header-subject header)
4375 (file-name-as-directory
4376 (or (cadr (assq 'nneething-address method))
4378 (when (file-directory-p dir)
4379 (setq article 'nneething)
4380 (gnus-group-enter-directory dir))))))))
4383 ;; Refuse to select canceled articles.
4384 ((and (numberp article)
4386 (get-buffer gnus-summary-buffer)
4387 (gnus-buffer-exists-p gnus-summary-buffer)
4388 (eq (cdr (save-excursion
4389 (set-buffer gnus-summary-buffer)
4390 (assq article gnus-newsgroup-reads)))
4391 gnus-canceled-mark))
4393 ;; We first check `gnus-original-article-buffer'.
4394 ((and (get-buffer gnus-original-article-buffer)
4397 (set-buffer gnus-original-article-buffer)
4398 (and (equal (car gnus-original-article) group)
4399 (eq (cdr gnus-original-article) article))))
4400 (insert-buffer-substring gnus-original-article-buffer)
4402 ;; Check the backlog.
4403 ((and gnus-keep-backlog
4404 (gnus-backlog-request-article group article (current-buffer)))
4406 ;; Check asynchronous pre-fetch.
4407 ((gnus-async-request-fetched-article group article (current-buffer))
4408 (gnus-async-prefetch-next group article gnus-summary-buffer)
4409 (when (and (numberp article) gnus-keep-backlog)
4410 (gnus-backlog-enter-article group article (current-buffer)))
4413 ((and gnus-use-cache
4415 (gnus-cache-request-article article group))
4417 ;; Get the article and put into the article buffer.
4418 ((or (stringp article)
4420 (let ((gnus-override-method gnus-override-method)
4421 (methods (and (stringp article)
4422 gnus-refer-article-method))
4424 (buffer-read-only nil))
4425 (if (or (not (listp methods))
4426 (and (symbolp (car methods))
4427 (assq (car methods) nnoo-definition-alist)))
4428 (setq methods (list methods)))
4429 (when (and (null gnus-override-method)
4431 (setq gnus-override-method (pop methods)))
4433 (when (eq gnus-override-method 'current)
4434 (setq gnus-override-method gnus-current-select-method))
4436 (gnus-kill-all-overlays)
4437 (let ((gnus-newsgroup-name group))
4438 (gnus-check-group-server))
4439 (when (gnus-request-article article group (current-buffer))
4440 (when (numberp article)
4441 (gnus-async-prefetch-next group article
4442 gnus-summary-buffer)
4443 (when gnus-keep-backlog
4444 (gnus-backlog-enter-article
4445 group article (current-buffer))))
4446 (setq result 'article))
4449 (setq gnus-override-method (pop methods))
4450 (setq result 'done))))
4451 (and (eq result 'article) 'article)))
4455 ;; Associate this article with the current summary buffer.
4456 (setq gnus-article-current-summary gnus-summary-buffer)
4458 ;; Take the article from the original article buffer
4459 ;; and place it in the buffer it's supposed to be in.
4460 (when (and (get-buffer gnus-article-buffer)
4461 (equal (buffer-name (current-buffer))
4462 (buffer-name (get-buffer gnus-article-buffer))))
4464 (if (get-buffer gnus-original-article-buffer)
4465 (set-buffer gnus-original-article-buffer)
4466 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
4467 (buffer-disable-undo)
4468 (setq major-mode 'gnus-original-article-mode)
4469 (setq buffer-read-only t))
4470 (let (buffer-read-only)
4472 (insert-buffer-substring gnus-article-buffer))
4473 (setq gnus-original-article (cons group article)))
4476 (run-hooks 'gnus-article-decode-hook)
4477 ;; Mark article as decoded or not.
4478 (setq gnus-article-decoded-p gnus-article-decode-hook))
4480 ;; Update sparse articles.
4481 (when (and do-update-line
4482 (or (numberp article)
4484 (let ((buf (current-buffer)))
4485 (set-buffer gnus-summary-buffer)
4486 (gnus-summary-update-article do-update-line sparse-header)
4487 (gnus-summary-goto-subject do-update-line nil t)
4488 (set-window-point (get-buffer-window (current-buffer) t)
4490 (set-buffer buf))))))
4496 (defcustom gnus-article-edit-mode-hook nil
4497 "Hook run in article edit mode buffers."
4498 :group 'gnus-article-various
4501 (defvar gnus-article-edit-done-function nil)
4503 (defvar gnus-article-edit-mode-map nil)
4505 ;; Should we be using derived.el for this?
4506 (unless gnus-article-edit-mode-map
4507 (setq gnus-article-edit-mode-map (make-sparse-keymap))
4508 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
4510 (gnus-define-keys gnus-article-edit-mode-map
4511 "\C-c\C-c" gnus-article-edit-done
4512 "\C-c\C-k" gnus-article-edit-exit)
4514 (gnus-define-keys (gnus-article-edit-wash-map
4515 "\C-c\C-w" gnus-article-edit-mode-map)
4516 "f" gnus-article-edit-full-stops))
4518 (defun gnus-article-edit-mode ()
4519 "Major mode for editing articles.
4520 This is an extended text-mode.
4522 \\{gnus-article-edit-mode-map}"
4524 (setq major-mode 'gnus-article-edit-mode)
4525 (setq mode-name "Article Edit")
4526 (use-local-map gnus-article-edit-mode-map)
4527 (make-local-variable 'gnus-article-edit-done-function)
4528 (make-local-variable 'gnus-prev-winconf)
4529 (setq buffer-read-only nil)
4530 (buffer-enable-undo)
4532 (gnus-run-hooks 'text-mode-hook 'gnus-article-edit-mode-hook))
4534 (defun gnus-article-edit (&optional force)
4535 "Edit the current article.
4536 This will have permanent effect only in mail groups.
4537 If FORCE is non-nil, allow editing of articles even in read-only
4540 (when (and (not force)
4541 (gnus-group-read-only-p))
4542 (error "The current newsgroup does not support article editing"))
4543 (gnus-article-date-original)
4544 (gnus-article-edit-article
4546 `(lambda (no-highlight)
4548 (gnus-summary-edit-article-done
4549 ,(or (mail-header-references gnus-current-headers) "")
4550 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
4552 (defun gnus-article-edit-article (start-func exit-func)
4553 "Start editing the contents of the current article buffer."
4554 (let ((winconf (current-window-configuration)))
4555 (set-buffer gnus-article-buffer)
4556 (gnus-article-edit-mode)
4557 (funcall start-func)
4558 (gnus-configure-windows 'edit-article)
4559 (setq gnus-article-edit-done-function exit-func)
4560 (setq gnus-prev-winconf winconf)
4561 (gnus-message 6 "C-c C-c to end edits")))
4563 (defun gnus-article-edit-done (&optional arg)
4564 "Update the article edits and exit."
4566 (let ((func gnus-article-edit-done-function)
4567 (buf (current-buffer))
4568 (start (window-start)))
4569 (gnus-article-edit-exit)
4572 (let ((buffer-read-only nil))
4574 ;; The cache and backlog have to be flushed somewhat.
4575 (when gnus-keep-backlog
4576 (gnus-backlog-remove-article
4577 (car gnus-article-current) (cdr gnus-article-current)))
4578 ;; Flush original article as well.
4580 (when (get-buffer gnus-original-article-buffer)
4581 (set-buffer gnus-original-article-buffer)
4582 (setq gnus-original-article nil)))
4583 (when gnus-use-cache
4584 (gnus-cache-update-article
4585 (car gnus-article-current) (cdr gnus-article-current))))
4587 (set-window-start (get-buffer-window buf) start)
4588 (set-window-point (get-buffer-window buf) (point))))
4590 (defun gnus-article-edit-exit ()
4591 "Exit the article editing without updating."
4593 ;; We remove all text props from the article buffer.
4594 (let ((buf (buffer-substring-no-properties (point-min) (point-max)))
4595 (curbuf (current-buffer))
4597 (window-start (window-start)))
4600 (let ((winconf gnus-prev-winconf))
4602 (set-window-configuration winconf)
4603 ;; Tippy-toe some to make sure that point remains where it was.
4604 (save-current-buffer
4606 (set-window-start (get-buffer-window (current-buffer)) window-start)
4609 (defun gnus-article-edit-full-stops ()
4610 "Interactively repair spacing at end of sentences."
4613 (goto-char (point-min))
4614 (search-forward-regexp "^$" nil t)
4615 (let ((case-fold-search nil))
4616 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
4619 ;;; Article highlights
4622 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
4624 ;;; Internal Variables:
4626 (defcustom gnus-button-url-regexp "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\):\\)\\(//[-a-zA-Z0-9_.]+:[0-9]*\\)?\\([-a-zA-Z0-9_=!?#$@~`%&*+|\\/:;.,]\\|\\w\\)+\\([-a-zA-Z0-9_=#$@~`%&*+|\\/]\\|\\w\\)\\)"
4627 "Regular expression that matches URLs."
4628 :group 'gnus-article-buttons
4631 (defcustom gnus-button-alist
4632 `(("<\\(url:[>\n\t ]*?\\)?news:[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
4633 0 t gnus-button-message-id 2)
4634 ("\\bnews:\\([^>\n\t ]*@[^>)!;:,\n\t ]*\\)" 0 t gnus-button-message-id 1)
4635 ("\\(\\b<\\(url:[>\n\t ]*\\)?news:[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
4637 gnus-button-fetch-group 4)
4638 ("\\bnews:\\(//\\)?\\([^'\">\n\t ]+\\)" 0 t gnus-button-fetch-group 2)
4639 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)" 2
4640 t gnus-button-message-id 3)
4641 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>" 0 t gnus-url-mailto 2)
4642 ("mailto:\\([-a-zA-Z.@_+0-9%=?]+\\)" 0 t gnus-url-mailto 1)
4643 ("\\bmailto:\\([^ \n\t]+\\)" 0 t gnus-url-mailto 1)
4644 ;; This is how URLs _should_ be embedded in text...
4645 ("<URL: *\\([^<>]*\\)>" 0 t gnus-button-embedded-url 1)
4647 (,gnus-button-url-regexp 0 t browse-url 0))
4648 "*Alist of regexps matching buttons in article bodies.
4650 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
4651 REGEXP: is the string matching text around the button,
4652 BUTTON: is the number of the regexp grouping actually matching the button,
4653 FORM: is a lisp expression which must eval to true for the button to
4655 CALLBACK: is the function to call when the user push this button, and each
4656 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
4658 CALLBACK can also be a variable, in that case the value of that
4659 variable it the real callback function."
4660 :group 'gnus-article-buttons
4661 :type '(repeat (list regexp
4662 (integer :tag "Button")
4664 (function :tag "Callback")
4667 (integer :tag "Regexp group")))))
4669 (defcustom gnus-header-button-alist
4670 `(("^\\(References\\|Message-I[Dd]\\):" "<[^>]+>"
4671 0 t gnus-button-message-id 0)
4672 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$" 1 t gnus-button-reply 1)
4673 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
4674 0 t gnus-button-mailto 0)
4675 ("^X-[Uu][Rr][Ll]:" ,gnus-button-url-regexp 0 t browse-url 0)
4676 ("^Subject:" ,gnus-button-url-regexp 0 t browse-url 0)
4677 ("^[^:]+:" ,gnus-button-url-regexp 0 t browse-url 0)
4678 ("^[^:]+:" "\\(<\\(url: \\)?news:\\([^>\n ]*\\)>\\)" 1 t
4679 gnus-button-message-id 3))
4680 "*Alist of headers and regexps to match buttons in article heads.
4682 This alist is very similar to `gnus-button-alist', except that each
4683 alist has an additional HEADER element first in each entry:
4685 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
4687 HEADER is a regexp to match a header. For a fuller explanation, see
4688 `gnus-button-alist'."
4689 :group 'gnus-article-buttons
4690 :group 'gnus-article-headers
4691 :type '(repeat (list (regexp :tag "Header")
4693 (integer :tag "Button")
4695 (function :tag "Callback")
4698 (integer :tag "Regexp group")))))
4700 (defvar gnus-button-regexp nil)
4701 (defvar gnus-button-marker-list nil)
4702 ;; Regexp matching any of the regexps from `gnus-button-alist'.
4704 (defvar gnus-button-last nil)
4705 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
4709 (defun gnus-article-push-button (event)
4710 "Check text under the mouse pointer for a callback function.
4711 If the text under the mouse pointer has a `gnus-callback' property,
4712 call it with the value of the `gnus-data' text property."
4714 (set-buffer (window-buffer (posn-window (event-start event))))
4715 (let* ((pos (posn-point (event-start event)))
4716 (data (get-text-property pos 'gnus-data))
4717 (fun (get-text-property pos 'gnus-callback)))
4720 (funcall fun data))))
4722 (defun gnus-article-press-button ()
4723 "Check text at point for a callback function.
4724 If the text at point has a `gnus-callback' property,
4725 call it with the value of the `gnus-data' text property."
4727 (let* ((data (get-text-property (point) 'gnus-data))
4728 (fun (get-text-property (point) 'gnus-callback)))
4730 (funcall fun data))))
4732 (defun gnus-article-highlight (&optional force)
4733 "Highlight current article.
4734 This function calls `gnus-article-highlight-headers',
4735 `gnus-article-highlight-citation',
4736 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
4737 do the highlighting. See the documentation for those functions."
4738 (interactive (list 'force))
4739 (gnus-article-highlight-headers)
4740 (gnus-article-highlight-citation force)
4741 (gnus-article-highlight-signature)
4742 (gnus-article-add-buttons force)
4743 (gnus-article-add-buttons-to-head))
4745 (defun gnus-article-highlight-some (&optional force)
4746 "Highlight current article.
4747 This function calls `gnus-article-highlight-headers',
4748 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
4749 do the highlighting. See the documentation for those functions."
4750 (interactive (list 'force))
4751 (gnus-article-highlight-headers)
4752 (gnus-article-highlight-signature)
4753 (gnus-article-add-buttons))
4755 (defun gnus-article-highlight-headers ()
4756 "Highlight article headers as specified by `gnus-header-face-alist'."
4759 (set-buffer gnus-article-buffer)
4761 (let ((alist gnus-header-face-alist)
4762 (buffer-read-only nil)
4763 (case-fold-search t)
4764 (inhibit-point-motion-hooks t)
4765 entry regexp header-face field-face from hpoints fpoints)
4766 (article-narrow-to-head)
4767 (while (setq entry (pop alist))
4768 (goto-char (point-min))
4769 (setq regexp (concat "^\\("
4770 (if (string-equal "" (nth 0 entry))
4774 header-face (nth 1 entry)
4775 field-face (nth 2 entry))
4776 (while (and (re-search-forward regexp nil t)
4780 (unless (search-forward ":" nil t)
4782 (when (and header-face
4783 (not (memq (point) hpoints)))
4784 (push (point) hpoints)
4785 (gnus-put-text-property from (point) 'face header-face))
4786 (when (and field-face
4787 (not (memq (setq from (point)) fpoints)))
4789 (if (re-search-forward "^[^ \t]" nil t)
4791 (goto-char (point-max)))
4792 (gnus-put-text-property from (point) 'face field-face))))))))
4794 (defun gnus-article-highlight-signature ()
4795 "Highlight the signature in an article.
4796 It does this by highlighting everything after
4797 `gnus-signature-separator' using `gnus-signature-face'."
4800 (set-buffer gnus-article-buffer)
4801 (let ((buffer-read-only nil)
4802 (inhibit-point-motion-hooks t))
4804 (when (and gnus-signature-face
4805 (gnus-article-narrow-to-signature))
4806 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
4807 'face gnus-signature-face)
4809 (gnus-article-search-signature)
4810 (let ((start (match-beginning 0))
4811 (end (set-marker (make-marker) (1+ (match-end 0)))))
4812 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
4815 (defun gnus-button-in-region-p (b e prop)
4816 "Say whether PROP exists in the region."
4817 (text-property-not-all b e prop nil))
4819 (defun gnus-article-add-buttons (&optional force)
4820 "Find external references in the article and make buttons of them.
4821 \"External references\" are things like Message-IDs and URLs, as
4822 specified by `gnus-button-alist'."
4823 (interactive (list 'force))
4825 (set-buffer gnus-article-buffer)
4826 (let ((buffer-read-only nil)
4827 (inhibit-point-motion-hooks t)
4828 (case-fold-search t)
4829 (alist gnus-button-alist)
4831 ;; Remove all old markers.
4832 (let (marker entry new-list)
4833 (while (setq marker (pop gnus-button-marker-list))
4834 (if (or (< marker (point-min)) (>= marker (point-max)))
4835 (push marker new-list)
4837 (when (setq entry (gnus-button-entry))
4838 (put-text-property (match-beginning (nth 1 entry))
4839 (match-end (nth 1 entry))
4840 'gnus-callback nil))
4841 (set-marker marker nil)))
4842 (setq gnus-button-marker-list new-list))
4843 ;; We skip the headers.
4846 (while (setq entry (pop alist))
4847 (setq regexp (car entry))
4849 (while (re-search-forward regexp nil t)
4850 (let* ((start (and entry (match-beginning (nth 1 entry))))
4851 (end (and entry (match-end (nth 1 entry))))
4852 (from (match-beginning 0)))
4853 (when (and (or (eq t (nth 2 entry))
4854 (eval (nth 2 entry)))
4855 (not (gnus-button-in-region-p
4856 start end 'gnus-callback)))
4857 ;; That optional form returned non-nil, so we add the
4859 (gnus-article-add-button
4860 start end 'gnus-button-push
4861 (car (push (set-marker (make-marker) from)
4862 gnus-button-marker-list))))))))))
4864 ;; Add buttons to the head of an article.
4865 (defun gnus-article-add-buttons-to-head ()
4866 "Add buttons to the head of the article."
4869 (set-buffer gnus-article-buffer)
4871 (let ((buffer-read-only nil)
4872 (inhibit-point-motion-hooks t)
4873 (case-fold-search t)
4874 (alist gnus-header-button-alist)
4876 (article-narrow-to-head)
4878 ;; Each alist entry.
4879 (setq entry (car alist)
4881 (goto-char (point-min))
4882 (while (re-search-forward (car entry) nil t)
4883 ;; Each header matching the entry.
4884 (setq beg (match-beginning 0))
4885 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
4886 (match-beginning 0))
4889 (while (re-search-forward (nth 1 entry) end t)
4890 ;; Each match within a header.
4891 (let* ((entry (cdr entry))
4892 (start (match-beginning (nth 1 entry)))
4893 (end (match-end (nth 1 entry)))
4894 (form (nth 2 entry)))
4895 (goto-char (match-end 0))
4897 (gnus-article-add-button
4898 start end (nth 3 entry)
4899 (buffer-substring (match-beginning (nth 4 entry))
4900 (match-end (nth 4 entry)))))))
4901 (goto-char end)))))))
4903 ;;; External functions:
4905 (defun gnus-article-add-button (from to fun &optional data)
4906 "Create a button between FROM and TO with callback FUN and data DATA."
4907 (when gnus-article-button-face
4908 (gnus-overlay-put (gnus-make-overlay from to)
4909 'face gnus-article-button-face))
4910 (gnus-add-text-properties
4912 (nconc (and gnus-article-mouse-face
4913 (list gnus-mouse-face-prop gnus-article-mouse-face))
4914 (list 'gnus-callback fun)
4915 (and data (list 'gnus-data data))))
4916 (widget-convert-button 'link from to :action 'gnus-widget-press-button
4917 :button-keymap gnus-widget-button-keymap))
4919 ;;; Internal functions:
4921 (defun gnus-article-set-globals ()
4923 (set-buffer gnus-summary-buffer)
4924 (gnus-set-global-variables)))
4926 (defun gnus-signature-toggle (end)
4928 (set-buffer gnus-article-buffer)
4929 (let ((buffer-read-only nil)
4930 (inhibit-point-motion-hooks t))
4931 (if (text-property-any end (point-max) 'article-type 'signature)
4932 (gnus-remove-text-properties-when
4933 'article-type 'signature end (point-max)
4934 (cons 'article-type (cons 'signature
4935 gnus-hidden-properties)))
4936 (gnus-add-text-properties-when
4937 'article-type nil end (point-max)
4938 (cons 'article-type (cons 'signature
4939 gnus-hidden-properties)))))))
4941 (defun gnus-button-entry ()
4942 ;; Return the first entry in `gnus-button-alist' matching this place.
4943 (let ((alist gnus-button-alist)
4946 (setq entry (pop alist))
4947 (if (looking-at (car entry))
4952 (defun gnus-button-push (marker)
4953 ;; Push button starting at MARKER.
4956 (let* ((entry (gnus-button-entry))
4957 (inhibit-point-motion-hooks t)
4959 (args (mapcar (lambda (group)
4960 (let ((string (match-string group)))
4961 (gnus-set-text-properties
4962 0 (length string) nil string)
4969 (fboundp (symbol-value fun)))
4970 (apply (symbol-value fun) args))
4972 (gnus-message 1 "You must define `%S' to use this button"
4973 (cons fun args)))))))
4975 (defun gnus-button-message-id (message-id)
4978 (set-buffer gnus-summary-buffer)
4979 (gnus-summary-refer-article message-id)))
4981 (defun gnus-button-fetch-group (address)
4982 "Fetch GROUP specified by ADDRESS."
4983 (if (not (string-match "[:/]" address))
4984 ;; This is just a simple group url.
4985 (gnus-group-read-ephemeral-group address gnus-select-method)
4986 (if (not (string-match "^\\([^:/]+\\)\\(:\\([^/]+\\)/\\)?\\(.*\\)$"
4988 (error "Can't parse %s" address)
4989 (gnus-group-read-ephemeral-group
4990 (match-string 4 address)
4991 `(nntp ,(match-string 1 address)
4992 (nntp-address ,(match-string 1 address))
4993 (nntp-port-number ,(if (match-end 3)
4994 (match-string 3 address)
4997 (defun gnus-url-parse-query-string (query &optional downcase)
4998 (let (retval pairs cur key val)
4999 (setq pairs (split-string query "&"))
5001 (setq cur (car pairs)
5003 (if (not (string-match "=" cur))
5005 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
5006 val (gnus-url-unhex-string (substring cur (match-end 0) nil)))
5008 (setq key (downcase key)))
5009 (setq cur (assoc key retval))
5011 (setcdr cur (cons val (cdr cur)))
5012 (setq retval (cons (list key val) retval)))))
5015 (defun gnus-url-unhex (x)
5022 (defun gnus-url-unhex-string (str &optional allow-newlines)
5023 "Remove %XXX embedded spaces, etc in a url.
5024 If optional second argument ALLOW-NEWLINES is non-nil, then allow the
5025 decoding of carriage returns and line feeds in the string, which is normally
5026 forbidden in URL encoding."
5027 (setq str (or str ""))
5029 (case-fold-search t))
5030 (while (string-match "%[0-9a-f][0-9a-f]" str)
5031 (let* ((start (match-beginning 0))
5032 (ch1 (gnus-url-unhex (elt str (+ start 1))))
5034 (gnus-url-unhex (elt str (+ start 2))))))
5036 tmp (substring str 0 start)
5039 (char-to-string code))
5040 ((or (= code ?\n) (= code ?\r))
5042 (t (char-to-string code))))
5043 str (substring str (match-end 0)))))
5044 (setq tmp (concat tmp str))
5047 (defun gnus-url-mailto (url)
5048 ;; Send mail to someone
5049 (when (string-match "mailto:/*\\(.*\\)" url)
5050 (setq url (substring url (match-beginning 1) nil)))
5051 (let (to args subject func)
5052 (if (string-match (regexp-quote "?") url)
5053 (setq to (gnus-url-unhex-string (substring url 0 (match-beginning 0)))
5054 args (gnus-url-parse-query-string
5055 (substring url (match-end 0) nil) t))
5056 (setq to (gnus-url-unhex-string url)))
5057 (setq args (cons (list "to" to) args)
5058 subject (cdr-safe (assoc "subject" args)))
5061 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
5064 (message-position-on-field (caar args)))
5065 (insert (mapconcat 'identity (cdar args) ", "))
5066 (setq args (cdr args)))
5069 (message-goto-subject))))
5071 (defun gnus-button-embedded-url (address)
5072 "Activate ADDRESS with `browse-url'."
5073 (browse-url (gnus-strip-whitespace address)))
5075 ;;; Next/prev buttons in the article buffer.
5077 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
5078 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
5080 (defvar gnus-prev-page-map nil)
5081 (unless gnus-prev-page-map
5082 (setq gnus-prev-page-map (make-sparse-keymap))
5083 (define-key gnus-prev-page-map gnus-mouse-2 'gnus-button-prev-page)
5084 (define-key gnus-prev-page-map "\r" 'gnus-button-prev-page))
5086 (defun gnus-insert-prev-page-button ()
5087 (let ((buffer-read-only nil))
5089 gnus-prev-page-line-format nil
5090 `(gnus-prev t local-map ,gnus-prev-page-map
5091 gnus-callback gnus-article-button-prev-page
5092 article-type annotation))))
5094 (defvar gnus-next-page-map nil)
5095 (unless gnus-next-page-map
5096 (setq gnus-next-page-map (make-keymap))
5097 (suppress-keymap gnus-prev-page-map)
5098 (define-key gnus-next-page-map gnus-mouse-2 'gnus-button-next-page)
5099 (define-key gnus-next-page-map "\r" 'gnus-button-next-page))
5101 (defun gnus-button-next-page ()
5102 "Go to the next page."
5104 (let ((win (selected-window)))
5105 (select-window (get-buffer-window gnus-article-buffer t))
5106 (gnus-article-next-page)
5107 (select-window win)))
5109 (defun gnus-button-prev-page ()
5110 "Go to the prev page."
5112 (let ((win (selected-window)))
5113 (select-window (get-buffer-window gnus-article-buffer t))
5114 (gnus-article-prev-page)
5115 (select-window win)))
5117 (defun gnus-insert-next-page-button ()
5118 (let ((buffer-read-only nil))
5119 (gnus-eval-format gnus-next-page-line-format nil
5121 t local-map ,gnus-next-page-map
5122 gnus-callback gnus-article-button-next-page
5123 article-type annotation))))
5125 (defun gnus-article-button-next-page (arg)
5126 "Go to the next page."
5128 (let ((win (selected-window)))
5129 (select-window (get-buffer-window gnus-article-buffer t))
5130 (gnus-article-next-page)
5131 (select-window win)))
5133 (defun gnus-article-button-prev-page (arg)
5134 "Go to the prev page."
5136 (let ((win (selected-window)))
5137 (select-window (get-buffer-window gnus-article-buffer t))
5138 (gnus-article-prev-page)
5139 (select-window win)))
5141 (defvar gnus-decode-header-methods
5142 '(mail-decode-encoded-word-region)
5143 "List of methods used to decode headers.
5145 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
5146 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
5147 (REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
5148 whose names match REGEXP.
5151 ((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
5152 mail-decode-encoded-word-region
5153 (\"chinese\" . rfc1843-decode-region))
5156 (defvar gnus-decode-header-methods-cache nil)
5158 (defun gnus-multi-decode-header (start end)
5159 "Apply the functions from `gnus-encoded-word-methods' that match."
5160 (unless (and gnus-decode-header-methods-cache
5161 (eq gnus-newsgroup-name
5162 (car gnus-decode-header-methods-cache)))
5163 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
5166 (nconc gnus-decode-header-methods-cache (list x))
5167 (if (and gnus-newsgroup-name
5168 (string-match (car x) gnus-newsgroup-name))
5169 (nconc gnus-decode-header-methods-cache
5171 gnus-decode-header-methods))
5172 (let ((xlist gnus-decode-header-methods-cache))
5175 (narrow-to-region start end)
5177 (funcall (pop xlist) (point-min) (point-max))))))
5180 ;;; Treatment top-level handling.
5183 (defun gnus-treat-article (condition &optional part-number total-parts type)
5184 (let ((length (- (point-max) (point-min)))
5185 (alist gnus-treatment-function-alist)
5186 (article-goto-body-goes-to-point-min-p t)
5190 (let ((list gnus-article-treat-types))
5192 (when (string-match (pop list) type)
5193 (throw 'found t)))))))
5194 (highlightp (gnus-visual-p 'article-highlight 'highlight))
5196 (gnus-run-hooks 'gnus-part-display-hook)
5197 (while (setq elem (pop alist))
5200 (if (gnus-buffer-live-p gnus-summary-buffer)
5201 (set-buffer gnus-summary-buffer))
5202 (symbol-value (car elem))))
5203 (when (and (or (consp val)
5205 (gnus-treat-predicate val)
5206 (or (not (get (car elem) 'highlight))
5209 (funcall (cadr elem)))))))
5211 ;; Dynamic variables.
5213 (defvar part-number)
5214 (defvar total-parts)
5219 (defun gnus-treat-predicate (val)
5224 (stringp (car val)))
5225 (apply 'gnus-or (mapcar `(lambda (s)
5226 (string-match s ,(or gnus-newsgroup-name "")))
5229 (let ((pred (pop val)))
5232 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
5234 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
5236 (not (gnus-treat-predicate (car val))))
5238 (equal (car val) type))
5240 (error "%S is not a valid predicate" pred)))))
5248 (eq part-number total-parts))
5252 (error "%S is not a valid value" val))))
5254 (defun gnus-article-encrypt-body (protocol &optional n)
5255 "Encrypt the article body."
5258 (or gnus-article-encrypt-protocol
5259 (completing-read "Encrypt protocol: "
5260 gnus-article-encrypt-protocol-alist
5262 current-prefix-arg))
5263 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
5265 (error (format "Can't find the encrypt protocol %s" protocol)))
5266 (if (equal gnus-newsgroup-name "nndraft:drafts")
5267 (error "Can't encrypt the article in group nndraft:drafts."))
5268 (if (equal gnus-newsgroup-name "nndraft:queue")
5269 (error "Don't encrypt the article in group nndraft:queue."))
5270 (gnus-summary-iterate n
5272 (set-buffer gnus-summary-buffer)
5273 (let ((mail-parse-charset gnus-newsgroup-charset)
5274 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
5275 (summary-buffer gnus-summary-buffer)
5277 (gnus-set-global-variables)
5278 (when (gnus-group-read-only-p)
5279 (error "The current newsgroup does not support article encrypt"))
5280 (gnus-summary-show-article t)
5282 (or (mail-header-references gnus-current-headers) ""))
5283 (set-buffer gnus-article-buffer)
5284 (let* ((buffer-read-only nil)
5286 (mapcar (lambda (field)
5287 (and (save-restriction
5288 (message-narrow-to-head)
5289 (goto-char (point-min))
5290 (search-forward field nil t))
5292 (message-narrow-to-field)
5293 (buffer-substring (point-min) (point-max))
5294 (delete-region (point-min) (point-max))
5296 '("Content-Type:" "Content-Transfer-Encoding:"
5297 "Content-Disposition:"))))
5298 (message-narrow-to-head)
5299 (message-remove-header "MIME-Version")
5300 (goto-char (point-max))
5301 (setq point (point))
5302 (insert (apply 'concat headers))
5304 (narrow-to-region point (point-max))
5305 (let ((message-options message-options))
5306 (message-options-set 'message-sender user-mail-address)
5307 (message-options-set 'message-recipients user-mail-address)
5308 (message-options-set 'message-sign-encrypt 'not)
5310 (goto-char (point-min))
5311 (insert "MIME-Version: 1.0\n")
5313 (gnus-summary-edit-article-done
5314 references nil summary-buffer t))
5315 (when gnus-keep-backlog
5316 (gnus-backlog-remove-article
5317 (car gnus-article-current) (cdr gnus-article-current)))
5319 (when (get-buffer gnus-original-article-buffer)
5320 (set-buffer gnus-original-article-buffer)
5321 (setq gnus-original-article nil)))
5322 (when gnus-use-cache
5323 (gnus-cache-update-article
5324 (car gnus-article-current) (cdr gnus-article-current))))))))
5326 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
5327 "The following specs can be used:
5328 %t The security MIME type
5331 %D Details if button is pressed")
5333 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
5334 "The following specs can be used:
5335 %t The security MIME type
5338 %D Details if button is pressed")
5340 (defvar gnus-mime-security-button-line-format-alist
5341 '((?t gnus-tmp-type ?s)
5342 (?i gnus-tmp-info ?s)
5343 (?d gnus-tmp-details ?s)
5344 (?D gnus-tmp-pressed-details ?s)))
5346 (defvar gnus-mime-security-button-map
5347 (let ((map (make-sparse-keymap)))
5348 (unless (>= (string-to-number emacs-version) 21)
5349 (set-keymap-parent map gnus-article-mode-map))
5350 (define-key map gnus-mouse-2 'gnus-article-push-button)
5351 (define-key map "\r" 'gnus-article-press-button)
5354 (defvar gnus-mime-security-details-buffer nil)
5356 (defvar gnus-mime-security-button-pressed nil)
5358 (defvar gnus-mime-security-show-details-inline t
5359 "If non-nil, show details in the article buffer.")
5361 (defun gnus-mime-security-verify-or-decrypt (handle)
5362 (mm-remove-parts (cdr handle))
5363 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
5366 (delete-region (car region) (cdr region))
5367 (set-marker (car region) nil)
5368 (set-marker (cdr region) nil)))
5369 (with-current-buffer (mm-handle-multipart-original-buffer handle)
5370 (let* ((mm-verify-option 'known)
5371 (mm-decrypt-option 'known)
5372 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
5373 (unless (eq nparts (cdr handle))
5374 (mm-destroy-parts (cdr handle))
5375 (setcdr handle nparts))))
5376 (let ((point (point))
5378 (gnus-mime-display-security handle)
5381 (defun gnus-mime-security-show-details (handle)
5382 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
5384 (if gnus-mime-security-show-details-inline
5385 (let ((gnus-mime-security-button-pressed t)
5386 (gnus-mime-security-button-line-format
5387 (get-text-property (point) 'gnus-line-format))
5390 (while (eq (get-text-property (point) 'gnus-line-format)
5391 gnus-mime-security-button-line-format)
5394 (delete-region (point)
5395 (or (text-property-not-all
5398 gnus-mime-security-button-line-format)
5400 (gnus-insert-mime-security-button handle))
5401 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
5402 (with-current-buffer gnus-mime-security-details-buffer
5405 (setq gnus-mime-security-details-buffer
5406 (gnus-get-buffer-create "*MIME Security Details*")))
5407 (with-current-buffer gnus-mime-security-details-buffer
5409 (goto-char (point-min)))
5410 (pop-to-buffer gnus-mime-security-details-buffer))
5411 (gnus-message 5 "No details."))))
5413 (defun gnus-mime-security-press-button (handle)
5414 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
5415 (gnus-mime-security-show-details handle)
5416 (gnus-mime-security-verify-or-decrypt handle)))
5418 (defun gnus-insert-mime-security-button (handle &optional displayed)
5419 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
5422 (or (nth 2 (assoc protocol mm-verify-function-alist))
5423 (nth 2 (assoc protocol mm-decrypt-function-alist))
5425 (if (equal (car handle) "multipart/signed")
5426 " Signed" " Encrypted")
5429 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
5432 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
5433 gnus-tmp-pressed-details
5435 (setq gnus-tmp-details
5436 (if gnus-tmp-details
5437 (concat "\n" gnus-tmp-details) ""))
5438 (setq gnus-tmp-pressed-details
5439 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
5444 gnus-mime-security-button-line-format
5445 gnus-mime-security-button-line-format-alist
5446 `(keymap ,gnus-mime-security-button-map
5447 ,@(if (>= (string-to-number emacs-version) 21)
5448 nil ;; XEmacs doesn't care
5449 (list 'local-map gnus-mime-security-button-map))
5450 gnus-callback gnus-mime-security-press-button
5451 gnus-line-format ,gnus-mime-security-button-line-format
5452 article-type annotation
5455 (widget-convert-button
5458 :action 'gnus-widget-press-button
5459 :button-keymap gnus-mime-security-button-map
5461 (lambda (widget/window &optional overlay pos)
5462 ;; Needed to properly clear the message due to a bug in
5463 ;; wid-edit (XEmacs only).
5464 (if (boundp 'help-echo-owns-message)
5465 (setq help-echo-owns-message t))
5468 (aref gnus-mouse-2 0))))))
5470 (defun gnus-mime-display-security (handle)
5472 (narrow-to-region (point) (point))
5473 (gnus-insert-mime-security-button handle)
5474 (gnus-mime-display-mixed (cdr handle))
5477 (let ((gnus-mime-security-button-line-format
5478 gnus-mime-security-button-end-line-format))
5479 (gnus-insert-mime-security-button handle))
5480 (mm-set-handle-multipart-parameter
5482 (cons (set-marker (make-marker) (point-min))
5483 (set-marker (make-marker) (point-max))))))
5489 (run-hooks 'gnus-art-load-hook)
5491 ;;; gnus-art.el ends here