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:"
137 "^X-Abuse-Info:" "^X-From_:" "^X-Accept-Language:" "^Errors-To:"
138 "^X-BeenThere:" "^X-Mailman-Version:" "^List-Help:" "^List-Post:"
139 "^List-Subscribe:" "^List-Id:" "^List-Unsubscribe:" "^List-Archive:"
140 "^X-Content-length:" "^X-Posting-Agent:" "^Original-Received:")
141 "*All headers that start with this regexp will be hidden.
142 This variable can also be a list of regexps of headers to be ignored.
143 If `gnus-visible-headers' is non-nil, this variable will be ignored."
144 :type '(choice :custom-show nil
147 :group 'gnus-article-hiding)
149 (defcustom gnus-visible-headers
150 "^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:"
151 "*All headers that do not match this regexp will be hidden.
152 This variable can also be a list of regexp of headers to remain visible.
153 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
154 :type '(repeat :value-to-internal (lambda (widget value)
155 (custom-split-regexp-maybe value))
156 :match (lambda (widget value)
158 (widget-editable-list-match widget value)))
160 :group 'gnus-article-hiding)
162 (defcustom gnus-sorted-header-list
163 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
164 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
165 "*This variable is a list of regular expressions.
166 If it is non-nil, headers that match the regular expressions will
167 be placed first in the article buffer in the sequence specified by
169 :type '(repeat regexp)
170 :group 'gnus-article-hiding)
172 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
173 "Headers that are only to be displayed if they have interesting data.
174 Possible values in this list are:
176 'empty Headers with no content.
177 'newsgroups Newsgroup identical to Gnus group.
178 'to-address To identical to To-address.
179 'followup-to Followup-to identical to Newsgroups.
180 'reply-to Reply-to identical to From.
181 'date Date less than four days old.
182 'long-to To and/or Cc longer than 1024 characters.
183 'many-to Multiple To and/or Cc."
184 :type '(set (const :tag "Headers with no content." empty)
185 (const :tag "Newsgroups identical to Gnus group." newsgroups)
186 (const :tag "To identical to To-address." to-address)
187 (const :tag "Followup-to identical to Newsgroups." followup-to)
188 (const :tag "Reply-to identical to From." reply-to)
189 (const :tag "Date less than four days old." date)
190 (const :tag "To and/or Cc longer than 1024 characters." long-to)
191 (const :tag "Multiple To and/or Cc headers." many-to))
192 :group 'gnus-article-hiding)
194 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
195 "Regexp matching signature separator.
196 This can also be a list of regexps. In that case, it will be checked
197 from head to tail looking for a separator. Searches will be done from
198 the end of the buffer."
199 :type '(repeat string)
200 :group 'gnus-article-signature)
202 (defcustom gnus-signature-limit nil
203 "Provide a limit to what is considered a signature.
204 If it is a number, no signature may not be longer (in characters) than
205 that number. If it is a floating point number, no signature may be
206 longer (in lines) than that number. If it is a function, the function
207 will be called without any parameters, and if it returns nil, there is
208 no signature in the buffer. If it is a string, it will be used as a
209 regexp. If it matches, the text in question is not a signature."
210 :type '(choice (integer :value 200)
212 (function :value fun)
213 (regexp :value ".*"))
214 :group 'gnus-article-signature)
216 (defcustom gnus-hidden-properties '(invisible t intangible t)
217 "Property list to use for hiding text."
219 :group 'gnus-article-hiding)
221 ;; Fixme: This isn't the right thing for mixed graphical and and
222 ;; non-graphical frames in a session.
223 (defcustom gnus-article-x-face-command
224 (if (featurep 'xemacs)
225 (if (or (featurep 'xface)
227 'gnus-xmas-article-display-xface
228 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -")
229 (if (and (fboundp 'image-type-available-p)
230 (image-type-available-p 'xbm))
231 'gnus-article-display-xface
232 (if gnus-article-compface-xbm
233 "{ echo '/* Width=48, Height=48 */'; uncompface; } | display -"
234 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
236 "*String or function to be executed to display an X-Face header.
237 If it is a string, the command will be executed in a sub-shell
238 asynchronously. The compressed face will be piped to this command."
239 :type `(choice string
241 ,(if (featurep 'xemacs)
242 'gnus-xmas-article-display-xface
243 'gnus-article-display-xface))
246 :group 'gnus-article-washing)
248 (defcustom gnus-article-x-face-too-ugly nil
249 "Regexp matching posters whose face shouldn't be shown automatically."
250 :type '(choice regexp (const nil))
251 :group 'gnus-article-washing)
253 (defcustom gnus-article-banner-alist nil
254 "Banner alist for stripping.
256 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
258 :type '(repeat (cons symbol regexp))
259 :group 'gnus-article-washing)
261 (gnus-define-group-parameter
264 "Alist of regexps (to match group names) and banner."
265 :variable-group gnus-article-washing
267 '(choice :tag "Banner"
269 (const :tag "Remove signature" signature)
270 (symbol :tag "Item in `gnus-article-banner-alist'" none)
272 (const :tag "None" nil))
274 "If non-nil, specify how to remove `banners' from articles.
276 Symbol `signature' means to remove signatures delimited by
277 `gnus-signature-separator'. Any other symbol is used to look up a
278 regular expression to match the banner in `gnus-article-banner-alist'.
279 A string is used as a regular expression to match the banner
282 (defcustom gnus-emphasis-alist
284 "\\(\\s-\\|^\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\s-\\|[-,;:\"]\\s-\\|[?!.]+\\s-\\|\\s)\\)")
286 '(("_" "_" underline)
289 ("_/" "/_" underline-italic)
290 ("_\\*" "\\*_" underline-bold)
291 ("\\*/" "/\\*" bold-italic)
292 ("_\\*/" "/\\*_" underline-bold-italic))))
293 `(("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
294 2 3 gnus-emphasis-underline)
298 (format format (car spec) (cadr spec))
299 2 3 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
301 "*Alist that says how to fontify certain phrases.
302 Each item looks like this:
304 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
306 The first element is a regular expression to be matched. The second
307 is a number that says what regular expression grouping used to find
308 the entire emphasized word. The third is a number that says what
309 regexp grouping should be displayed and highlighted. The fourth
310 is the face used for highlighting."
311 :type '(repeat (list :value ("" 0 0 default)
313 (integer :tag "Match group")
314 (integer :tag "Emphasize group")
316 :group 'gnus-article-emphasis)
318 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
319 "A regexp to describe whitespace which should not be emphasized.
320 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
321 The former avoids underlining of leading and trailing whitespace,
322 and the latter avoids underlining any whitespace at all."
324 :group 'gnus-article-emphasis
327 (defface gnus-emphasis-bold '((t (:bold t)))
328 "Face used for displaying strong emphasized text (*word*)."
329 :group 'gnus-article-emphasis)
331 (defface gnus-emphasis-italic '((t (:italic t)))
332 "Face used for displaying italic emphasized text (/word/)."
333 :group 'gnus-article-emphasis)
335 (defface gnus-emphasis-underline '((t (:underline t)))
336 "Face used for displaying underlined emphasized text (_word_)."
337 :group 'gnus-article-emphasis)
339 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
340 "Face used for displaying underlined bold emphasized text (_*word*_)."
341 :group 'gnus-article-emphasis)
343 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
344 "Face used for displaying underlined italic emphasized text (_/word/_)."
345 :group 'gnus-article-emphasis)
347 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
348 "Face used for displaying bold italic emphasized text (/*word*/)."
349 :group 'gnus-article-emphasis)
351 (defface gnus-emphasis-underline-bold-italic
352 '((t (:bold t :italic t :underline t)))
353 "Face used for displaying underlined bold italic emphasized text.
354 Esample: (_/*word*/_)."
355 :group 'gnus-article-emphasis)
357 (defface gnus-emphasis-highlight-words
358 '((t (:background "black" :foreground "yellow")))
359 "Face used for displaying highlighted words."
360 :group 'gnus-article-emphasis)
362 (defcustom gnus-article-time-format "%a, %b %d %Y %T %Z"
363 "Format for display of Date headers in article bodies.
364 See `format-time-string' for the possible values.
366 The variable can also be function, which should return a complete Date
367 header. The function is called with one argument, the time, which can
368 be fed to `format-time-string'."
369 :type '(choice string symbol)
370 :link '(custom-manual "(gnus)Article Date")
371 :group 'gnus-article-washing)
374 (autoload 'mail-extract-address-components "mail-extr"))
376 (defcustom gnus-save-all-headers t
377 "*If non-nil, don't remove any headers before saving."
378 :group 'gnus-article-saving
381 (defcustom gnus-prompt-before-saving 'always
382 "*This variable says how much prompting is to be done when saving articles.
383 If it is nil, no prompting will be done, and the articles will be
384 saved to the default files. If this variable is `always', each and
385 every article that is saved will be preceded by a prompt, even when
386 saving large batches of articles. If this variable is neither nil not
387 `always', there the user will be prompted once for a file name for
388 each invocation of the saving commands."
389 :group 'gnus-article-saving
390 :type '(choice (item always)
391 (item :tag "never" nil)
392 (sexp :tag "once" :format "%t\n" :value t)))
394 (defcustom gnus-saved-headers gnus-visible-headers
395 "Headers to keep if `gnus-save-all-headers' is nil.
396 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
397 If that variable is nil, however, all headers that match this regexp
398 will be kept while the rest will be deleted before saving."
399 :group 'gnus-article-saving
402 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
403 "A function to save articles in your favourite format.
404 The function must be interactively callable (in other words, it must
405 be an Emacs command).
407 Gnus provides the following functions:
409 * gnus-summary-save-in-rmail (Rmail format)
410 * gnus-summary-save-in-mail (Unix mail format)
411 * gnus-summary-save-in-folder (MH folder)
412 * gnus-summary-save-in-file (article format)
413 * gnus-summary-save-body-in-file (article body)
414 * gnus-summary-save-in-vm (use VM's folder format)
415 * gnus-summary-write-to-file (article format -- overwrite)."
416 :group 'gnus-article-saving
417 :type '(radio (function-item gnus-summary-save-in-rmail)
418 (function-item gnus-summary-save-in-mail)
419 (function-item gnus-summary-save-in-folder)
420 (function-item gnus-summary-save-in-file)
421 (function-item gnus-summary-save-body-in-file)
422 (function-item gnus-summary-save-in-vm)
423 (function-item gnus-summary-write-to-file)))
425 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
426 "A function generating a file name to save articles in Rmail format.
427 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
428 :group 'gnus-article-saving
431 (defcustom gnus-mail-save-name 'gnus-plain-save-name
432 "A function generating a file name to save articles in Unix mail format.
433 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
434 :group 'gnus-article-saving
437 (defcustom gnus-folder-save-name 'gnus-folder-save-name
438 "A function generating a file name to save articles in MH folder.
439 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
440 :group 'gnus-article-saving
443 (defcustom gnus-file-save-name 'gnus-numeric-save-name
444 "A function generating a file name to save articles in article format.
445 The function is called with NEWSGROUP, HEADERS, and optional
447 :group 'gnus-article-saving
450 (defcustom gnus-split-methods
451 '((gnus-article-archive-name)
452 (gnus-article-nndoc-name))
453 "*Variable used to suggest where articles are to be saved.
454 For instance, if you would like to save articles related to Gnus in
455 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
456 you could set this variable to something like:
458 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
459 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
461 This variable is an alist where the where the key is the match and the
462 value is a list of possible files to save in if the match is non-nil.
464 If the match is a string, it is used as a regexp match on the
465 article. If the match is a symbol, that symbol will be funcalled
466 from the buffer of the article to be saved with the newsgroup as the
467 parameter. If it is a list, it will be evaled in the same buffer.
469 If this form or function returns a string, this string will be used as
470 a possible file name; and if it returns a non-nil list, that list will
471 be used as possible file names."
472 :group 'gnus-article-saving
473 :type '(repeat (choice (list :value (fun) function)
474 (cons :value ("" "") regexp (repeat string))
477 (defcustom gnus-page-delimiter "^\^L"
478 "*Regexp describing what to use as article page delimiters.
479 The default value is \"^\^L\", which is a form linefeed at the
480 beginning of a line."
482 :group 'gnus-article-various)
484 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
485 "*The format specification for the article mode line.
486 See `gnus-summary-mode-line-format' for a closer description.
488 The following additional specs are available:
490 %w The article washing status.
491 %m The number of MIME parts in the article."
493 :group 'gnus-article-various)
495 (defcustom gnus-article-mode-hook nil
496 "*A hook for Gnus article mode."
498 :group 'gnus-article-various)
500 (when (featurep 'xemacs)
501 ;; Extracted from gnus-xmas-define in order to preserve user settings
502 (when (fboundp 'turn-off-scroll-in-place)
503 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
504 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
505 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
507 (defcustom gnus-article-menu-hook nil
508 "*Hook run after the creation of the article mode menu."
510 :group 'gnus-article-various)
512 (defcustom gnus-article-prepare-hook nil
513 "*A hook called after an article has been prepared in the article buffer."
515 :group 'gnus-article-various)
517 (defcustom gnus-article-hide-pgp-hook nil
518 "*A hook called after successfully hiding a PGP signature."
520 :group 'gnus-article-various)
522 (defcustom gnus-article-button-face 'bold
523 "Face used for highlighting buttons in the article buffer.
525 An article button is a piece of text that you can activate by pressing
526 `RET' or `mouse-2' above it."
528 :group 'gnus-article-buttons)
530 (defcustom gnus-article-mouse-face 'highlight
531 "Face used for mouse highlighting in the article buffer.
533 Article buttons will be displayed in this face when the cursor is
536 :group 'gnus-article-buttons)
538 (defcustom gnus-signature-face 'gnus-signature-face
539 "Face used for highlighting a signature in the article buffer.
540 Obsolete; use the face `gnus-signature-face' for customizations instead."
542 :group 'gnus-article-highlight
543 :group 'gnus-article-signature)
545 (defface gnus-signature-face
548 "Face used for highlighting a signature in the article buffer."
549 :group 'gnus-article-highlight
550 :group 'gnus-article-signature)
552 (defface gnus-header-from-face
555 (:foreground "spring green"))
558 (:foreground "red3"))
561 "Face used for displaying from headers."
562 :group 'gnus-article-headers
563 :group 'gnus-article-highlight)
565 (defface gnus-header-subject-face
568 (:foreground "SeaGreen3"))
571 (:foreground "red4"))
573 (:bold t :italic t)))
574 "Face used for displaying subject headers."
575 :group 'gnus-article-headers
576 :group 'gnus-article-highlight)
578 (defface gnus-header-newsgroups-face
581 (:foreground "yellow" :italic t))
584 (:foreground "MidnightBlue" :italic t))
587 "Face used for displaying newsgroups headers."
588 :group 'gnus-article-headers
589 :group 'gnus-article-highlight)
591 (defface gnus-header-name-face
594 (:foreground "SeaGreen"))
597 (:foreground "maroon"))
600 "Face used for displaying header names."
601 :group 'gnus-article-headers
602 :group 'gnus-article-highlight)
604 (defface gnus-header-content-face
607 (:foreground "forest green" :italic t))
610 (:foreground "indianred4" :italic t))
612 (:italic t))) "Face used for displaying header content."
613 :group 'gnus-article-headers
614 :group 'gnus-article-highlight)
616 (defcustom gnus-header-face-alist
617 '(("From" nil gnus-header-from-face)
618 ("Subject" nil gnus-header-subject-face)
619 ("Newsgroups:.*," nil gnus-header-newsgroups-face)
620 ("" gnus-header-name-face gnus-header-content-face))
621 "*Controls highlighting of article header.
623 An alist of the form (HEADER NAME CONTENT).
625 HEADER is a regular expression which should match the name of an
626 header header and NAME and CONTENT are either face names or nil.
628 The name of each header field will be displayed using the face
629 specified by the first element in the list where HEADER match the
630 header name and NAME is non-nil. Similarly, the content will be
631 displayed by the first non-nil matching CONTENT face."
632 :group 'gnus-article-headers
633 :group 'gnus-article-highlight
634 :type '(repeat (list (regexp :tag "Header")
636 (item :tag "skip" nil)
637 (face :value default))
638 (choice :tag "Content"
639 (item :tag "skip" nil)
640 (face :value default)))))
642 (defcustom gnus-article-decode-hook
643 '(article-decode-charset article-decode-encoded-words
644 article-decode-group-name)
645 "*Hook run to decode charsets in articles."
646 :group 'gnus-article-headers
649 (defcustom gnus-display-mime-function 'gnus-display-mime
650 "Function to display MIME articles."
651 :group 'gnus-article-mime
654 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
655 "Function used to decode headers.")
657 (defvar gnus-article-dumbquotes-map
676 "Table for MS-to-Latin1 translation.")
678 (defcustom gnus-ignored-mime-types nil
679 "List of MIME types that should be ignored by Gnus."
681 :group 'gnus-article-mime
682 :type '(repeat regexp))
684 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
685 "List of MIME types that should not be given buttons when rendered inline.
686 See also `gnus-buttonized-mime-types' which may override this variable."
688 :group 'gnus-article-mime
689 :type '(repeat regexp))
691 (defcustom gnus-buttonized-mime-types nil
692 "List of MIME types that should be given buttons when rendered inline.
693 If set, this variable overrides `gnus-unbuttonized-mime-types'.
694 To see e.g. security buttons you could set this to
695 `(\"multipart/signed\")'."
697 :group 'gnus-article-mime
698 :type '(repeat regexp))
700 (defcustom gnus-article-mime-part-function nil
701 "Function called with a MIME handle as the argument.
702 This is meant for people who want to do something automatic based
703 on parts -- for instance, adding Vcard info to a database."
704 :group 'gnus-article-mime
707 (defcustom gnus-mime-multipart-functions nil
708 "An alist of MIME types to functions to display them."
710 :group 'gnus-article-mime
713 (defcustom gnus-article-date-lapsed-new-header nil
714 "Whether the X-Sent and Date headers can coexist.
715 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
716 either replace the old \"Date:\" header (if this variable is nil), or
717 be added below it (otherwise)."
719 :group 'gnus-article-headers
722 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
723 "Function called with a MIME handle as the argument.
724 This is meant for people who want to view first matched part.
725 For `undisplayed-alternative' (default), the first undisplayed
726 part or alternative part is used. For `undisplayed', the first
727 undisplayed part is used. For a function, the first part which
728 the function return `t' is used. For `nil', the first part is
731 :group 'gnus-article-mime
733 (item :tag "first" :value nil)
734 (item :tag "undisplayed" :value undisplayed)
735 (item :tag "undisplayed or alternative"
736 :value undisplayed-alternative)
739 (defcustom gnus-mime-action-alist
740 '(("save to file" . gnus-mime-save-part)
741 ("save and strip" . gnus-mime-save-part-and-strip)
742 ("display as text" . gnus-mime-inline-part)
743 ("view the part" . gnus-mime-view-part)
744 ("pipe to command" . gnus-mime-pipe-part)
745 ("toggle display" . gnus-article-press-button)
746 ("toggle display" . gnus-article-view-part-as-charset)
747 ("view as type" . gnus-mime-view-part-as-type)
748 ("internalize type" . gnus-mime-internalize-part)
749 ("externalize type" . gnus-mime-externalize-part))
750 "An alist of actions that run on the MIME attachment."
751 :group 'gnus-article-mime
752 :type '(repeat (cons (string :tag "name")
755 (defcustom gnus-mime-action-alist
756 '(("save to file" . gnus-mime-save-part)
757 ("display as text" . gnus-mime-inline-part)
758 ("view the part" . gnus-mime-view-part)
759 ("pipe to command" . gnus-mime-pipe-part)
760 ("toggle display" . gnus-article-press-button)
761 ("view as type" . gnus-mime-view-part-as-type)
762 ("internalize type" . gnus-mime-internalize-part)
763 ("externalize type" . gnus-mime-externalize-part))
764 "An alist of actions that run on the MIME attachment."
766 :group 'gnus-article-mime
767 :type '(repeat (cons (string :tag "name")
771 ;;; The treatment variables
774 (defvar gnus-part-display-hook nil
775 "Hook called on parts that are to receive treatment.")
777 (defvar gnus-article-treat-custom
778 '(choice (const :tag "Off" nil)
780 (const :tag "Header" head)
781 (const :tag "Last" last)
782 (integer :tag "Less")
783 (repeat :tag "Groups" regexp)
784 (sexp :tag "Predicate")))
786 (defvar gnus-article-treat-head-custom
787 '(choice (const :tag "Off" nil)
788 (const :tag "Header" head)))
790 (defvar gnus-article-treat-types '("text/plain")
793 (defvar gnus-inhibit-treatment nil
794 "Whether to inhibit treatment.")
796 (defcustom gnus-treat-highlight-signature '(or last (typep "text/x-vcard"))
797 "Highlight the signature.
798 Valid values are nil, t, `head', `last', an integer or a predicate.
799 See Info node `(gnus)Customizing Articles'."
800 :group 'gnus-article-treat
801 :type gnus-article-treat-custom)
802 (put 'gnus-treat-highlight-signature 'highlight t)
804 (defcustom gnus-treat-buttonize 100000
806 Valid values are nil, t, `head', `last', an integer or a predicate.
807 See the manual for details."
808 :group 'gnus-article-treat
809 :type gnus-article-treat-custom)
810 (put 'gnus-treat-buttonize 'highlight t)
812 (defcustom gnus-treat-buttonize-head 'head
813 "Add buttons to the head.
814 Valid values are nil, t, `head', `last', an integer or a predicate.
815 See the manual for details."
816 :group 'gnus-article-treat
817 :type gnus-article-treat-head-custom)
818 (put 'gnus-treat-buttonize-head 'highlight t)
820 (defcustom gnus-treat-emphasize
821 (and (or window-system
823 (>= (string-to-number emacs-version) 21))
826 Valid values are nil, t, `head', `last', an integer or a predicate.
827 See the manual for details."
828 :group 'gnus-article-treat
829 :type gnus-article-treat-custom)
830 (put 'gnus-treat-emphasize 'highlight t)
832 (defcustom gnus-treat-strip-cr nil
833 "Remove carriage returns.
834 Valid values are nil, t, `head', `last', an integer or a predicate.
835 See the manual for details."
836 :group 'gnus-article-treat
837 :type gnus-article-treat-custom)
839 (defcustom gnus-treat-leading-whitespace nil
840 "Remove leading whitespace in headers.
841 Valid values are nil, t, `head', `last', an integer or a predicate.
842 See the manual for details."
843 :group 'gnus-article-treat
844 :type gnus-article-treat-custom)
846 (defcustom gnus-treat-hide-headers 'head
848 Valid values are nil, t, `head', `last', an integer or a predicate.
849 See the manual for details."
850 :group 'gnus-article-treat
851 :type gnus-article-treat-head-custom)
853 (defcustom gnus-treat-hide-boring-headers nil
854 "Hide boring headers.
855 Valid values are nil, t, `head', `last', an integer or a predicate.
856 See the manual for details."
857 :group 'gnus-article-treat
858 :type gnus-article-treat-head-custom)
860 (defcustom gnus-treat-hide-signature nil
862 Valid values are nil, t, `head', `last', an integer or a predicate.
863 See the manual for details."
864 :group 'gnus-article-treat
865 :type gnus-article-treat-custom)
867 (defcustom gnus-treat-fill-article nil
869 Valid values are nil, t, `head', `last', an integer or a predicate.
870 See the manual for details."
871 :group 'gnus-article-treat
872 :type gnus-article-treat-custom)
874 (defcustom gnus-treat-hide-citation nil
876 Valid values are nil, t, `head', `last', an integer or a predicate.
877 See the manual for details."
878 :group 'gnus-article-treat
879 :type gnus-article-treat-custom)
881 (defcustom gnus-treat-hide-citation-maybe nil
883 Valid values are nil, t, `head', `last', an integer or a predicate.
884 See the manual for details."
885 :group 'gnus-article-treat
886 :type gnus-article-treat-custom)
888 (defcustom gnus-treat-strip-list-identifiers 'head
889 "Strip list identifiers from `gnus-list-identifiers`.
890 Valid values are nil, t, `head', `last', an integer or a predicate.
891 See the manual for details."
893 :group 'gnus-article-treat
894 :type gnus-article-treat-custom)
896 (defcustom gnus-treat-strip-pgp t
897 "Strip PGP signatures.
898 Valid values are nil, t, `head', `last', an integer or a predicate.
899 See the manual for details."
900 :group 'gnus-article-treat
901 :type gnus-article-treat-custom)
903 (defcustom gnus-treat-strip-pem nil
904 "Strip PEM signatures.
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-custom)
910 (defcustom gnus-treat-strip-banner t
911 "Strip banners from articles.
912 The banner to be stripped is specified in the `banner' group parameter.
913 Valid values are nil, t, `head', `last', an integer or a predicate.
914 See the manual for details."
915 :group 'gnus-article-treat
916 :type gnus-article-treat-custom)
918 (defcustom gnus-treat-highlight-headers 'head
919 "Highlight the headers.
920 Valid values are nil, t, `head', `last', an integer or a predicate.
921 See the manual for details."
922 :group 'gnus-article-treat
923 :type gnus-article-treat-head-custom)
924 (put 'gnus-treat-highlight-headers 'highlight t)
926 (defcustom gnus-treat-highlight-citation t
927 "Highlight cited text.
928 Valid values are nil, t, `head', `last', an integer or a predicate.
929 See the manual for details."
930 :group 'gnus-article-treat
931 :type gnus-article-treat-custom)
932 (put 'gnus-treat-highlight-citation 'highlight t)
934 (defcustom gnus-treat-date-ut nil
935 "Display the Date in UT (GMT).
936 Valid values are nil, t, `head', `last', an integer or a predicate.
937 See the manual for details."
938 :group 'gnus-article-treat
939 :type gnus-article-treat-head-custom)
941 (defcustom gnus-treat-date-local nil
942 "Display the Date in the local timezone.
943 Valid values are nil, t, `head', `last', an integer or a predicate.
944 See the manual for details."
945 :group 'gnus-article-treat
946 :type gnus-article-treat-head-custom)
948 (defcustom gnus-treat-date-english nil
949 "Display the Date in a format that can be read aloud in English.
950 Valid values are nil, t, `head', `last', an integer or a predicate.
951 See the manual for details."
952 :group 'gnus-article-treat
953 :type gnus-article-treat-head-custom)
955 (defcustom gnus-treat-date-lapsed nil
956 "Display the Date header in a way that says how much time has elapsed.
957 Valid values are nil, t, `head', `last', an integer or a predicate.
958 See the manual for details."
959 :group 'gnus-article-treat
960 :type gnus-article-treat-head-custom)
962 (defcustom gnus-treat-date-original nil
963 "Display the date in the original timezone.
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-head-custom)
969 (defcustom gnus-treat-date-iso8601 nil
970 "Display the date in the ISO8601 format.
971 Valid values are nil, t, `head', `last', an integer or a predicate.
972 See the manual for details."
974 :group 'gnus-article-treat
975 :type gnus-article-treat-head-custom)
977 (defcustom gnus-treat-date-user-defined nil
978 "Display the date in a user-defined format.
979 The format is defined by the `gnus-article-time-format' variable.
980 Valid values are nil, t, `head', `last', an integer or a predicate.
981 See the manual for details."
982 :group 'gnus-article-treat
983 :type gnus-article-treat-head-custom)
985 (defcustom gnus-treat-strip-headers-in-body t
986 "Strip the X-No-Archive header line from the beginning of the body.
987 Valid values are nil, t, `head', `last', an integer or a predicate.
988 See the manual for details."
990 :group 'gnus-article-treat
991 :type gnus-article-treat-custom)
993 (defcustom gnus-treat-strip-trailing-blank-lines nil
994 "Strip trailing blank lines.
995 Valid values are nil, t, `head', `last', an integer or a predicate.
996 See the manual for details."
997 :group 'gnus-article-treat
998 :type gnus-article-treat-custom)
1000 (defcustom gnus-treat-strip-leading-blank-lines nil
1001 "Strip leading blank lines.
1002 Valid values are nil, t, `head', `last', an integer or a predicate.
1003 See the manual for details."
1004 :group 'gnus-article-treat
1005 :type gnus-article-treat-custom)
1007 (defcustom gnus-treat-strip-multiple-blank-lines nil
1008 "Strip multiple blank lines.
1009 Valid values are nil, t, `head', `last', an integer or a predicate.
1010 See the manual for details."
1011 :group 'gnus-article-treat
1012 :type gnus-article-treat-custom)
1014 (defcustom gnus-treat-overstrike t
1015 "Treat overstrike highlighting.
1016 Valid values are nil, t, `head', `last', an integer or a predicate.
1017 See the manual for details."
1018 :group 'gnus-article-treat
1019 :type gnus-article-treat-custom)
1020 (put 'gnus-treat-overstrike 'highlight t)
1022 (defcustom gnus-treat-display-xface
1023 (and (or (and (fboundp 'image-type-available-p)
1024 (image-type-available-p 'xbm)
1025 (string-match "^0x" (shell-command-to-string "uncompface")))
1026 (and (featurep 'xemacs) (featurep 'xface)))
1028 "Display X-Face headers.
1029 Valid values are nil, t, `head', `last', an integer or a predicate.
1030 See the manual for details."
1031 :group 'gnus-article-treat
1033 :type gnus-article-treat-head-custom)
1034 (put 'gnus-treat-display-xface 'highlight t)
1036 (defcustom gnus-treat-display-smileys
1037 (if (or (and (featurep 'xemacs)
1039 (and (fboundp 'image-type-available-p)
1040 (image-type-available-p 'pbm)))
1043 Valid values are nil, t, `head', `last', an integer or a predicate.
1044 See the manual for details."
1045 :group 'gnus-article-treat
1047 :type gnus-article-treat-custom)
1048 (put 'gnus-treat-display-smileys 'highlight t)
1050 (defcustom gnus-treat-display-picons (if (featurep 'xemacs) 'head nil)
1052 Valid values are nil, t, `head', `last', an integer or a predicate.
1053 See the manual for details."
1054 :group 'gnus-article-treat
1055 :type gnus-article-treat-head-custom)
1056 (put 'gnus-treat-display-picons 'highlight t)
1058 (defcustom gnus-treat-capitalize-sentences nil
1059 "Capitalize sentence-starting words.
1060 Valid values are nil, t, `head', `last', an integer or a predicate.
1061 See the manual for details."
1063 :group 'gnus-article-treat
1064 :type gnus-article-treat-custom)
1066 (defcustom gnus-treat-fill-long-lines nil
1068 Valid values are nil, t, `head', `last', an integer or a predicate.
1069 See the manual for details."
1070 :group 'gnus-article-treat
1071 :type gnus-article-treat-custom)
1073 (defcustom gnus-treat-play-sounds nil
1075 Valid values are nil, t, `head', `last', an integer or a predicate.
1076 See the manual for details."
1078 :group 'gnus-article-treat
1079 :type gnus-article-treat-custom)
1081 (defcustom gnus-treat-translate nil
1082 "Translate articles from one language to another.
1083 Valid values are nil, t, `head', `last', an integer or a predicate.
1084 See the manual for details."
1086 :group 'gnus-article-treat
1087 :type gnus-article-treat-custom)
1089 (defcustom gnus-treat-x-pgp-sig nil
1091 To automatically treat X-PGP-Sig, set it to head.
1092 Valid values are nil, t, `head', `last', an integer or a predicate.
1093 See the manual for details."
1094 :group 'gnus-article-treat
1095 :group 'mime-security
1096 :type gnus-article-treat-custom)
1098 (defvar gnus-article-encrypt-protocol-alist
1099 '(("PGP" . mml2015-self-encrypt)))
1101 ;; Set to nil if more than one protocol added to
1102 ;; gnus-article-encrypt-protocol-alist.
1103 (defcustom gnus-article-encrypt-protocol "PGP"
1104 "The protocol used for encrypt articles.
1105 It is a string, such as \"PGP\". If nil, ask user."
1107 :group 'mime-security)
1109 ;;; Internal variables
1111 (defvar gnus-english-month-names
1112 '("January" "February" "March" "April" "May" "June" "July" "August"
1113 "September" "October" "November" "December"))
1115 (defvar article-goto-body-goes-to-point-min-p nil)
1116 (defvar gnus-article-wash-types nil)
1117 (defvar gnus-article-emphasis-alist nil)
1119 (defvar gnus-article-mime-handle-alist-1 nil)
1120 (defvar gnus-treatment-function-alist
1121 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1122 (gnus-treat-strip-banner gnus-article-strip-banner)
1123 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1124 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1125 (gnus-treat-buttonize gnus-article-add-buttons)
1126 (gnus-treat-fill-article gnus-article-fill-cited-article)
1127 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1128 (gnus-treat-strip-cr gnus-article-remove-cr)
1129 (gnus-treat-emphasize gnus-article-emphasize)
1130 (gnus-treat-display-xface gnus-article-display-x-face)
1131 (gnus-treat-date-ut gnus-article-date-ut)
1132 (gnus-treat-date-local gnus-article-date-local)
1133 (gnus-treat-date-english gnus-article-date-english)
1134 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1135 (gnus-treat-date-original gnus-article-date-original)
1136 (gnus-treat-date-user-defined gnus-article-date-user)
1137 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1138 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1139 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1140 (gnus-treat-hide-signature gnus-article-hide-signature)
1141 (gnus-treat-hide-citation gnus-article-hide-citation)
1142 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1143 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1144 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1145 (gnus-treat-strip-pgp gnus-article-hide-pgp)
1146 (gnus-treat-strip-pem gnus-article-hide-pem)
1147 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1148 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1149 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1150 (gnus-treat-strip-trailing-blank-lines
1151 gnus-article-remove-trailing-blank-lines)
1152 (gnus-treat-strip-leading-blank-lines
1153 gnus-article-strip-leading-blank-lines)
1154 (gnus-treat-strip-multiple-blank-lines
1155 gnus-article-strip-multiple-blank-lines)
1156 (gnus-treat-overstrike gnus-article-treat-overstrike)
1157 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1158 (gnus-treat-display-smileys gnus-smiley-display)
1159 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1160 (gnus-treat-display-picons gnus-article-display-picons)
1161 (gnus-treat-play-sounds gnus-earcon-display)))
1163 (defvar gnus-article-mime-handle-alist nil)
1164 (defvar article-lapsed-timer nil)
1165 (defvar gnus-article-current-summary nil)
1167 (defvar gnus-article-mode-syntax-table
1168 (let ((table (copy-syntax-table text-mode-syntax-table)))
1169 ;; This causes the citation match run O(2^n).
1170 ;; (modify-syntax-entry ?- "w" table)
1171 (modify-syntax-entry ?> ")" table)
1172 (modify-syntax-entry ?< "(" table)
1174 "Syntax table used in article mode buffers.
1175 Initialized from `text-mode-syntax-table.")
1177 (defvar gnus-save-article-buffer nil)
1179 (defvar gnus-article-mode-line-format-alist
1180 (nconc '((?w (gnus-article-wash-status) ?s)
1181 (?m (gnus-article-mime-part-status) ?s))
1182 gnus-summary-mode-line-format-alist))
1184 (defvar gnus-number-of-articles-to-be-saved nil)
1186 (defvar gnus-inhibit-hiding nil)
1188 (defsubst gnus-article-hide-text (b e props)
1189 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1190 (gnus-add-text-properties-when 'article-type nil b e props)
1191 (when (memq 'intangible props)
1193 (max (1- b) (point-min))
1194 b 'intangible (cddr (memq 'intangible props)))))
1196 (defsubst gnus-article-unhide-text (b e)
1197 "Remove hidden text properties from region between B and E."
1198 (remove-text-properties b e gnus-hidden-properties)
1199 (when (memq 'intangible gnus-hidden-properties)
1200 (put-text-property (max (1- b) (point-min))
1201 b 'intangible nil)))
1203 (defun gnus-article-hide-text-type (b e type)
1204 "Hide text of TYPE between B and E."
1205 (push type gnus-article-wash-types)
1206 (gnus-article-hide-text
1207 b e (cons 'article-type (cons type gnus-hidden-properties))))
1209 (defun gnus-article-unhide-text-type (b e type)
1210 "Unhide text of TYPE between B and E."
1211 (setq gnus-article-wash-types
1212 (delq type gnus-article-wash-types))
1213 (remove-text-properties
1214 b e (cons 'article-type (cons type gnus-hidden-properties)))
1215 (when (memq 'intangible gnus-hidden-properties)
1216 (put-text-property (max (1- b) (point-min))
1217 b 'intangible nil)))
1219 (defun gnus-article-hide-text-of-type (type)
1220 "Hide text of TYPE in the current buffer."
1222 (let ((b (point-min))
1224 (while (setq b (text-property-any b e 'article-type type))
1225 (add-text-properties b (incf b) gnus-hidden-properties)))))
1227 (defun gnus-article-delete-text-of-type (type)
1228 "Delete text of TYPE in the current buffer."
1230 (let ((b (point-min)))
1231 (while (setq b (text-property-any b (point-max) 'article-type type))
1233 b (or (text-property-not-all b (point-max) 'article-type type)
1236 (defun gnus-article-delete-invisible-text ()
1237 "Delete all invisible text in the current buffer."
1239 (let ((b (point-min)))
1240 (while (setq b (text-property-any b (point-max) 'invisible t))
1242 b (or (text-property-not-all b (point-max) 'invisible t)
1245 (defun gnus-article-text-type-exists-p (type)
1246 "Say whether any text of type TYPE exists in the buffer."
1247 (text-property-any (point-min) (point-max) 'article-type type))
1249 (defsubst gnus-article-header-rank ()
1250 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1251 (let ((list gnus-sorted-header-list)
1254 (when (looking-at (car list))
1256 (setq list (cdr list))
1260 (defun article-hide-headers (&optional arg delete)
1261 "Hide unwanted headers and possibly sort them as well."
1263 ;; This function might be inhibited.
1264 (unless gnus-inhibit-hiding
1267 (let ((buffer-read-only nil)
1268 (case-fold-search t)
1269 (max (1+ (length gnus-sorted-header-list)))
1270 (ignored (when (not gnus-visible-headers)
1271 (cond ((stringp gnus-ignored-headers)
1272 gnus-ignored-headers)
1273 ((listp gnus-ignored-headers)
1274 (mapconcat 'identity gnus-ignored-headers
1277 (cond ((stringp gnus-visible-headers)
1278 gnus-visible-headers)
1279 ((and gnus-visible-headers
1280 (listp gnus-visible-headers))
1281 (mapconcat 'identity gnus-visible-headers "\\|"))))
1282 (inhibit-point-motion-hooks t)
1284 ;; First we narrow to just the headers.
1285 (article-narrow-to-head)
1286 ;; Hide any "From " lines at the beginning of (mail) articles.
1287 (while (looking-at "From ")
1290 (delete-region (point-min) (point)))
1291 ;; Then treat the rest of the header lines.
1292 ;; Then we use the two regular expressions
1293 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1294 ;; select which header lines is to remain visible in the
1296 (while (re-search-forward "^[^ \t:]*:" nil t)
1298 ;; Mark the rank of the header.
1300 (point) (1+ (point)) 'message-rank
1301 (if (or (and visible (looking-at visible))
1303 (not (looking-at ignored))))
1304 (gnus-article-header-rank)
1307 (message-sort-headers-1)
1308 (when (setq beg (text-property-any
1309 (point-min) (point-max) 'message-rank (+ 2 max)))
1310 ;; We delete the unwanted headers.
1311 (push 'headers gnus-article-wash-types)
1312 (add-text-properties (point-min) (+ 5 (point-min))
1313 '(article-type headers dummy-invisible t))
1314 (delete-region beg (point-max))))))))
1316 (defun article-hide-boring-headers (&optional arg)
1317 "Toggle hiding of headers that aren't very interesting.
1318 If given a negative prefix, always show; if given a positive prefix,
1320 (interactive (gnus-article-hidden-arg))
1321 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1322 (not gnus-show-all-headers))
1325 (let ((buffer-read-only nil)
1326 (list gnus-boring-article-headers)
1327 (inhibit-point-motion-hooks t)
1329 (article-narrow-to-head)
1331 (setq elem (pop list))
1332 (goto-char (point-min))
1334 ;; Hide empty headers.
1336 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1338 (gnus-article-hide-text-type
1339 (progn (beginning-of-line) (point))
1342 (if (re-search-forward "^[^ \t]" nil t)
1346 ;; Hide boring Newsgroups header.
1347 ((eq elem 'newsgroups)
1348 (when (gnus-string-equal
1349 (gnus-fetch-field "newsgroups")
1350 (gnus-group-real-name
1351 (if (boundp 'gnus-newsgroup-name)
1354 (gnus-article-hide-header "newsgroups")))
1355 ((eq elem 'to-address)
1356 (let ((to (message-fetch-field "to"))
1358 (gnus-parameter-to-address
1359 (if (boundp 'gnus-newsgroup-name)
1360 gnus-newsgroup-name ""))))
1361 (when (and to to-address
1364 ;; only one address in To
1365 (nth 1 (mail-extract-address-components to))
1367 (gnus-article-hide-header "to"))))
1368 ((eq elem 'followup-to)
1369 (when (gnus-string-equal
1370 (message-fetch-field "followup-to")
1371 (message-fetch-field "newsgroups"))
1372 (gnus-article-hide-header "followup-to")))
1373 ((eq elem 'reply-to)
1374 (let ((from (message-fetch-field "from"))
1375 (reply-to (message-fetch-field "reply-to")))
1380 (nth 1 (mail-extract-address-components from))
1381 (nth 1 (mail-extract-address-components reply-to)))))
1382 (gnus-article-hide-header "reply-to"))))
1384 (let ((date (message-fetch-field "date")))
1386 (< (days-between (current-time-string) date)
1388 (gnus-article-hide-header "date"))))
1390 (let ((to (message-fetch-field "to"))
1391 (cc (message-fetch-field "cc")))
1392 (when (> (length to) 1024)
1393 (gnus-article-hide-header "to"))
1394 (when (> (length cc) 1024)
1395 (gnus-article-hide-header "cc"))))
1399 (goto-char (point-min))
1400 (while (re-search-forward "^to:" nil t)
1401 (setq to-count (1+ to-count)))
1402 (when (> to-count 1)
1403 (while (> to-count 0)
1404 (goto-char (point-min))
1406 (re-search-forward "^to:" nil nil to-count)
1408 (narrow-to-region (point) (point-max))
1409 (gnus-article-hide-header "to"))
1410 (setq to-count (1- to-count))))
1411 (goto-char (point-min))
1412 (while (re-search-forward "^cc:" nil t)
1413 (setq cc-count (1+ cc-count)))
1414 (when (> cc-count 1)
1415 (while (> cc-count 0)
1416 (goto-char (point-min))
1418 (re-search-forward "^cc:" nil nil cc-count)
1420 (narrow-to-region (point) (point-max))
1421 (gnus-article-hide-header "cc"))
1422 (setq cc-count (1- cc-count)))))))))))))
1424 (defun gnus-article-hide-header (header)
1426 (goto-char (point-min))
1427 (when (re-search-forward (concat "^" header ":") nil t)
1428 (gnus-article-hide-text-type
1429 (progn (beginning-of-line) (point))
1432 (if (re-search-forward "^[^ \t]" nil t)
1437 (defvar gnus-article-normalized-header-length 40
1438 "Length of normalized headers.")
1440 (defun article-normalize-headers ()
1441 "Make all header lines 40 characters long."
1443 (let ((buffer-read-only nil)
1447 (article-narrow-to-head)
1450 ((< (setq column (- (gnus-point-at-eol) (point)))
1451 gnus-article-normalized-header-length)
1453 (insert (make-string
1454 (- gnus-article-normalized-header-length column)
1456 ((> column gnus-article-normalized-header-length)
1457 (gnus-put-text-property
1459 (forward-char gnus-article-normalized-header-length)
1466 (forward-line 1))))))
1468 (defun article-treat-dumbquotes ()
1469 "Translate M****s*** sm*rtq**t*s into proper text.
1470 Note that this function guesses whether a character is a sm*rtq**t* or
1471 not, so it should only be used interactively.
1473 Sm*rtq**t*s are M****s***'s unilateral extension to the character map
1474 in an attempt to provide more quoting characters. If you see
1475 something like \\222 or \\264 where you're expecting some kind of
1476 apostrophe or quotation mark, then try this wash."
1478 (article-translate-strings gnus-article-dumbquotes-map))
1480 (defun article-translate-characters (from to)
1481 "Translate all characters in the body of the article according to FROM and TO.
1482 FROM is a string of characters to translate from; to is a string of
1483 characters to translate to."
1485 (when (article-goto-body)
1486 (let ((buffer-read-only nil)
1487 (x (make-string 225 ?x))
1489 (while (< (incf i) (length x))
1492 (while (< i (length from))
1493 (aset x (aref from i) (aref to i))
1495 (translate-region (point) (point-max) x)))))
1497 (defun article-translate-strings (map)
1498 "Translate all string in the body of the article according to MAP.
1499 MAP is an alist where the elements are on the form (\"from\" \"to\")."
1501 (when (article-goto-body)
1502 (let ((buffer-read-only nil)
1504 (while (setq elem (pop map))
1506 (while (search-forward (car elem) nil t)
1507 (replace-match (cadr elem)))))))))
1509 (defun article-treat-overstrike ()
1510 "Translate overstrikes into bold text."
1513 (when (article-goto-body)
1514 (let ((buffer-read-only nil))
1515 (while (search-forward "\b" nil t)
1516 (let ((next (char-after))
1517 (previous (char-after (- (point) 2))))
1518 ;; We do the boldification/underlining by hiding the
1519 ;; overstrikes and putting the proper text property
1523 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1524 (put-text-property (point) (1+ (point)) 'face 'bold))
1526 (gnus-article-hide-text-type
1527 (1- (point)) (1+ (point)) 'overstrike)
1529 (- (point) 2) (1- (point)) 'face 'underline))
1531 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1533 (point) (1+ (point)) 'face 'underline)))))))))
1535 (defun article-fill-long-lines ()
1536 "Fill lines that are wider than the window width."
1539 (let ((buffer-read-only nil)
1540 (width (window-width (get-buffer-window (current-buffer)))))
1543 (let ((adaptive-fill-mode nil)) ;Why? -sm
1546 (when (>= (current-column) (min fill-column width))
1547 (narrow-to-region (point) (gnus-point-at-bol))
1548 (fill-paragraph nil)
1549 (goto-char (point-max))
1551 (forward-line 1)))))))
1553 (defun article-capitalize-sentences ()
1554 "Capitalize the first word in each sentence."
1557 (let ((buffer-read-only nil)
1558 (paragraph-start "^[\n\^L]"))
1562 (forward-sentence)))))
1564 (defun article-remove-cr ()
1565 "Remove trailing CRs and then translate remaining CRs into LFs."
1568 (let ((buffer-read-only nil))
1569 (goto-char (point-min))
1570 (while (re-search-forward "\r+$" nil t)
1571 (replace-match "" t t))
1572 (goto-char (point-min))
1573 (while (search-forward "\r" nil t)
1574 (replace-match "\n" t t)))))
1576 (defun article-remove-trailing-blank-lines ()
1577 "Remove all trailing blank lines from the article."
1580 (let ((buffer-read-only nil))
1581 (goto-char (point-max))
1585 (while (and (not (bobp))
1586 (looking-at "^[ \t]*$")
1587 (not (gnus-annotation-in-region-p
1588 (point) (gnus-point-at-eol))))
1593 (defun article-display-x-face (&optional force)
1594 "Look for an X-Face header and display it if present."
1595 (interactive (list 'force))
1597 ;; Delete the old process, if any.
1598 (when (process-status "article-x-face")
1599 (delete-process "article-x-face"))
1600 (let ((inhibit-point-motion-hooks t)
1602 (case-fold-search t)
1605 (article-narrow-to-head)
1606 (when (and buffer-read-only ;; When type `W f'
1608 (goto-char (point-min))
1609 (not (re-search-forward "^X-Face:[\t ]*" nil t)))
1610 (gnus-buffer-live-p gnus-original-article-buffer))
1611 (with-current-buffer gnus-original-article-buffer
1613 (article-narrow-to-head)
1614 (while (re-search-forward "^X-Face:" nil t)
1620 (1- (re-search-forward
1621 "^\\($\\|[^ \t]\\)" nil t))))))))
1623 (let (point start bface eface buffer-read-only)
1624 (goto-char (point-max))
1626 (setq bface (get-text-property (gnus-point-at-bol) 'face)
1627 eface (get-text-property (1- (gnus-point-at-eol)) 'face))
1628 (goto-char (point-max))
1629 (setq point (point))
1632 (while (looking-at "\\([^:]+\\): *")
1633 (put-text-property (match-beginning 1) (1+ (match-end 1))
1635 (setq start (match-end 0))
1637 (while (looking-at "[\t ]")
1639 (put-text-property start (point)
1641 (goto-char (point-min))
1642 (setq from (message-fetch-field "from"))
1643 (goto-char (point-min))
1644 (while (and gnus-article-x-face-command
1647 ;; Check whether this face is censored.
1648 (not gnus-article-x-face-too-ugly)
1649 (and gnus-article-x-face-too-ugly from
1650 (not (string-match gnus-article-x-face-too-ugly
1652 ;; Has to be present.
1653 (re-search-forward "^X-Face:[\t ]*" nil t))
1654 ;; This used to try to do multiple faces (`while' instead of
1655 ;; `when' above), but (a) sending multiple EOFs to xv doesn't
1656 ;; work (b) it can crash some versions of Emacs (c) are
1657 ;; multiple faces really something to encourage?
1658 (when (stringp gnus-article-x-face-command)
1660 ;; We now have the area of the buffer where the X-Face is stored.
1663 (end (1- (re-search-forward "^\\($\\|[^ \t]\\)" nil t)))
1665 ;; We display the face.
1666 (if (symbolp gnus-article-x-face-command)
1667 ;; The command is a lisp function, so we call it.
1668 (if (gnus-functionp gnus-article-x-face-command)
1669 (funcall gnus-article-x-face-command beg end)
1670 (error "%s is not a function" gnus-article-x-face-command))
1671 ;; The command is a string, so we interpret the command
1672 ;; as a, well, command, and fork it off.
1673 (let ((process-connection-type nil))
1674 (process-kill-without-query
1676 "article-x-face" nil shell-file-name shell-command-switch
1677 gnus-article-x-face-command))
1678 (process-send-region "article-x-face" beg end)
1679 (process-send-eof "article-x-face"))))))))))
1681 (defun article-decode-mime-words ()
1682 "Decode all MIME-encoded words in the article."
1685 (set-buffer gnus-article-buffer)
1686 (let ((inhibit-point-motion-hooks t)
1688 (mail-parse-charset gnus-newsgroup-charset)
1689 (mail-parse-ignored-charsets
1690 (save-excursion (set-buffer gnus-summary-buffer)
1691 gnus-newsgroup-ignored-charsets)))
1692 (mail-decode-encoded-word-region (point-min) (point-max)))))
1694 (defun article-decode-charset (&optional prompt)
1695 "Decode charset-encoded text in the article.
1696 If PROMPT (the prefix), prompt for a coding system to use."
1698 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
1700 (mail-parse-charset gnus-newsgroup-charset)
1701 (mail-parse-ignored-charsets
1702 (save-excursion (condition-case nil
1703 (set-buffer gnus-summary-buffer)
1705 gnus-newsgroup-ignored-charsets))
1706 ct cte ctl charset format)
1709 (article-narrow-to-head)
1710 (setq ct (message-fetch-field "Content-Type" t)
1711 cte (message-fetch-field "Content-Transfer-Encoding" t)
1712 ctl (and ct (ignore-errors
1713 (mail-header-parse-content-type ct)))
1716 (mm-read-coding-system "Charset to decode: "))
1718 (mail-content-type-get ctl 'charset)))
1719 format (and ctl (mail-content-type-get ctl 'format)))
1721 (setq cte (mail-header-strip cte)))
1722 (if (and ctl (not (string-match "/" (car ctl))))
1724 (goto-char (point-max)))
1727 (narrow-to-region (point) (point-max))
1728 (when (and (eq mail-parse-charset 'gnus-decoded)
1729 (eq (mm-body-7-or-8) '8bit))
1730 ;; The text code could have been decoded.
1731 (setq charset mail-parse-charset))
1732 (when (and (or (not ctl)
1733 (equal (car ctl) "text/plain"))
1734 (not format)) ;; article with format will decode later.
1736 charset (and cte (intern (downcase
1737 (gnus-strip-whitespace cte))))
1740 (defun article-decode-encoded-words ()
1741 "Remove encoded-word encoding from headers."
1742 (let ((inhibit-point-motion-hooks t)
1743 (mail-parse-charset gnus-newsgroup-charset)
1744 (mail-parse-ignored-charsets
1745 (save-excursion (condition-case nil
1746 (set-buffer gnus-summary-buffer)
1748 gnus-newsgroup-ignored-charsets))
1751 (article-narrow-to-head)
1752 (funcall gnus-decode-header-function (point-min) (point-max)))))
1754 (defun article-decode-group-name ()
1755 "Decode group names in `Newsgroups:'."
1756 (let ((inhibit-point-motion-hooks t)
1758 (method (gnus-find-method-for-group gnus-newsgroup-name)))
1759 (when (and (or gnus-group-name-charset-method-alist
1760 gnus-group-name-charset-group-alist)
1761 (gnus-buffer-live-p gnus-original-article-buffer))
1762 (when (nnmail-fetch-field "Newsgroups")
1763 (nnheader-replace-header "Newsgroups"
1764 (gnus-decode-newsgroups
1765 (with-current-buffer
1766 gnus-original-article-buffer
1767 (nnmail-fetch-field "Newsgroups"))
1768 gnus-newsgroup-name method)))
1769 (when (nnmail-fetch-field "Followup-To")
1770 (nnheader-replace-header "Followup-To"
1771 (gnus-decode-newsgroups
1772 (with-current-buffer
1773 gnus-original-article-buffer
1774 (nnmail-fetch-field "Followup-To"))
1775 gnus-newsgroup-name method))))))
1777 (defun article-de-quoted-unreadable (&optional force read-charset)
1778 "Translate a quoted-printable-encoded article.
1779 If FORCE, decode the article whether it is marked as quoted-printable
1781 If READ-CHARSET, ask for a coding system."
1782 (interactive (list 'force current-prefix-arg))
1784 (let ((buffer-read-only nil) type charset)
1785 (if (gnus-buffer-live-p gnus-original-article-buffer)
1786 (with-current-buffer gnus-original-article-buffer
1788 (gnus-fetch-field "content-transfer-encoding"))
1789 (let* ((ct (gnus-fetch-field "content-type"))
1792 (mail-header-parse-content-type ct)))))
1793 (setq charset (and ctl
1794 (mail-content-type-get ctl 'charset)))
1795 (if (stringp charset)
1796 (setq charset (intern (downcase charset)))))))
1798 (setq charset (mm-read-coding-system "Charset: " charset)))
1800 (setq charset gnus-newsgroup-charset))
1802 (and type (let ((case-fold-search t))
1803 (string-match "quoted-printable" type))))
1805 (quoted-printable-decode-region
1806 (point) (point-max) (mm-charset-to-coding-system charset))))))
1808 (defun article-de-base64-unreadable (&optional force read-charset)
1809 "Translate a base64 article.
1810 If FORCE, decode the article whether it is marked as base64 not.
1811 If READ-CHARSET, ask for a coding system."
1812 (interactive (list 'force current-prefix-arg))
1814 (let ((buffer-read-only nil) type charset)
1815 (if (gnus-buffer-live-p gnus-original-article-buffer)
1816 (with-current-buffer gnus-original-article-buffer
1818 (gnus-fetch-field "content-transfer-encoding"))
1819 (let* ((ct (gnus-fetch-field "content-type"))
1822 (mail-header-parse-content-type ct)))))
1823 (setq charset (and ctl
1824 (mail-content-type-get ctl 'charset)))
1825 (if (stringp charset)
1826 (setq charset (intern (downcase charset)))))))
1828 (setq charset (mm-read-coding-system "Charset: " charset)))
1830 (setq charset gnus-newsgroup-charset))
1832 (and type (let ((case-fold-search t))
1833 (string-match "base64" type))))
1836 (narrow-to-region (point) (point-max))
1837 (base64-decode-region (point-min) (point-max))
1838 (mm-decode-coding-region
1839 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
1844 (defun article-decode-HZ ()
1845 "Translate a HZ-encoded article."
1849 (let ((buffer-read-only nil))
1850 (rfc1843-decode-region (point-min) (point-max)))))
1852 (defun article-wash-html (&optional read-charset)
1853 "Format an html article.
1854 If READ-CHARSET, ask for a coding system."
1857 (let ((buffer-read-only nil)
1859 (if (gnus-buffer-live-p gnus-original-article-buffer)
1860 (with-current-buffer gnus-original-article-buffer
1861 (let* ((ct (gnus-fetch-field "content-type"))
1864 (mail-header-parse-content-type ct)))))
1865 (setq charset (and ctl
1866 (mail-content-type-get ctl 'charset)))
1867 (if (stringp charset)
1868 (setq charset (intern (downcase charset)))))))
1870 (setq charset (mm-read-coding-system "Charset: " charset)))
1872 (setq charset gnus-newsgroup-charset))
1874 (save-window-excursion
1876 (narrow-to-region (point) (point-max))
1878 (let ((w3-strict-width (window-width))
1879 (url-standalone-mode t))
1881 (w3-region (point-min) (point-max))
1884 (defun article-hide-list-identifiers ()
1885 "Remove list identifies from the Subject header.
1886 The `gnus-list-identifiers' variable specifies what to do."
1888 (let ((inhibit-point-motion-hooks t)
1889 (regexp (if (consp gnus-list-identifiers)
1890 (mapconcat 'identity gnus-list-identifiers " *\\|")
1891 gnus-list-identifiers))
1896 (article-narrow-to-head)
1897 (goto-char (point-min))
1898 (while (re-search-forward
1899 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
1901 (delete-region (match-beginning 2) (match-end 0))
1902 (beginning-of-line))
1903 (when (re-search-forward
1904 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
1905 (delete-region (match-beginning 1) (match-end 1))))))))
1907 (defun article-hide-pgp ()
1908 "Remove any PGP headers and signatures in the current article."
1912 (let ((inhibit-point-motion-hooks t)
1913 buffer-read-only beg end)
1915 ;; Hide the "header".
1916 (when (re-search-forward "^-----BEGIN PGP SIGNED MESSAGE-----\n" nil t)
1917 (push 'pgp gnus-article-wash-types)
1918 (delete-region (match-beginning 0) (match-end 0))
1919 ;; Remove armor headers (rfc2440 6.2)
1920 (delete-region (point) (or (re-search-forward "^[ \t]*\n" nil t)
1923 ;; Hide the actual signature.
1924 (and (search-forward "\n-----BEGIN PGP SIGNATURE-----\n" nil t)
1925 (setq end (1+ (match-beginning 0)))
1928 (if (search-forward "\n-----END PGP SIGNATURE-----\n" nil t)
1930 ;; Perhaps we shouldn't hide to the end of the buffer
1931 ;; if there is no end to the signature?
1933 ;; Hide "- " PGP quotation markers.
1935 (narrow-to-region beg end)
1936 (goto-char (point-min))
1937 (while (re-search-forward "^- " nil t)
1939 (match-beginning 0) (match-end 0)))
1941 (gnus-run-hooks 'gnus-article-hide-pgp-hook))))))
1943 (defun article-hide-pem (&optional arg)
1944 "Toggle hiding of any PEM headers and signatures in the current article.
1945 If given a negative prefix, always show; if given a positive prefix,
1947 (interactive (gnus-article-hidden-arg))
1948 (unless (gnus-article-check-hidden-text 'pem arg)
1950 (let (buffer-read-only end)
1951 (goto-char (point-min))
1952 ;; Hide the horrendously ugly "header".
1953 (when (and (search-forward
1954 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
1956 (setq end (1+ (match-beginning 0))))
1957 (push 'pem gnus-article-wash-types)
1958 (gnus-article-hide-text-type
1960 (if (search-forward "\n\n" nil t)
1964 ;; Hide the trailer as well
1965 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
1967 (gnus-article-hide-text-type
1968 (match-beginning 0) (match-end 0) 'pem)))))))
1970 (defun article-strip-banner ()
1971 "Strip the banner specified by the `banner' group parameter."
1975 (let ((inhibit-point-motion-hooks t)
1976 (banner (gnus-parameter-banner gnus-newsgroup-name))
1977 (gnus-signature-limit nil)
1978 buffer-read-only beg end)
1982 ((eq banner 'signature)
1983 (when (gnus-article-narrow-to-signature)
1986 (delete-region (point) (point-max))))
1988 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
1989 (while (re-search-forward banner nil t)
1990 (delete-region (match-beginning 0) (match-end 0)))))
1992 (while (re-search-forward banner nil t)
1993 (delete-region (match-beginning 0) (match-end 0))))))))))
1995 (defun article-babel ()
1996 "Translate article using an online translation service."
2000 (set-buffer gnus-article-buffer)
2001 (when (article-goto-body)
2002 (let* ((buffer-read-only nil)
2005 (orig (buffer-substring start end))
2006 (trans (babel-as-string orig)))
2008 (narrow-to-region start end)
2009 (delete-region start end)
2012 (defun article-hide-signature (&optional arg)
2013 "Hide the signature in the current article.
2014 If given a negative prefix, always show; if given a positive prefix,
2016 (interactive (gnus-article-hidden-arg))
2017 (unless (gnus-article-check-hidden-text 'signature arg)
2020 (let ((buffer-read-only nil))
2021 (when (gnus-article-narrow-to-signature)
2022 (gnus-article-hide-text-type
2023 (point-min) (point-max) 'signature)))))))
2025 (defun article-strip-headers-in-body ()
2026 "Strip offensive headers from bodies."
2030 (let ((case-fold-search t))
2031 (when (looking-at "x-no-archive:")
2032 (gnus-delete-line)))))
2034 (defun article-strip-leading-blank-lines ()
2035 "Remove all blank lines from the beginning of the article."
2038 (let ((inhibit-point-motion-hooks t)
2040 (when (article-goto-body)
2041 (while (and (not (eobp))
2042 (looking-at "[ \t]*$"))
2043 (gnus-delete-line))))))
2045 (defun article-narrow-to-head ()
2046 "Narrow the buffer to the head of the message.
2047 Point is left at the beginning of the narrowed-to region."
2049 (goto-char (point-min))
2050 (if (search-forward "\n\n" nil 1)
2053 (goto-char (point-min)))
2055 (defun article-goto-body ()
2056 "Place point at the start of the body."
2057 (goto-char (point-min))
2059 ;; This variable is only bound when dealing with separate
2061 (article-goto-body-goes-to-point-min-p
2063 ((search-forward "\n\n" nil t)
2066 (goto-char (point-max))
2069 (defun article-strip-multiple-blank-lines ()
2070 "Replace consecutive blank lines with one empty line."
2073 (let ((inhibit-point-motion-hooks t)
2075 ;; First make all blank lines empty.
2077 (while (re-search-forward "^[ \t]+$" nil t)
2078 (unless (gnus-annotation-in-region-p
2079 (match-beginning 0) (match-end 0))
2080 (replace-match "" nil t)))
2081 ;; Then replace multiple empty lines with a single empty line.
2083 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2084 (unless (gnus-annotation-in-region-p
2085 (match-beginning 0) (match-end 0))
2086 (delete-region (match-beginning 1) (match-end 1)))))))
2088 (defun article-strip-leading-space ()
2089 "Remove all white space from the beginning of the lines in the article."
2092 (let ((inhibit-point-motion-hooks t)
2095 (while (re-search-forward "^[ \t]+" nil t)
2096 (replace-match "" t t)))))
2098 (defun article-strip-trailing-space ()
2099 "Remove all white space from the end of the lines in the article."
2102 (let ((inhibit-point-motion-hooks t)
2105 (while (re-search-forward "[ \t]+$" nil t)
2106 (replace-match "" t t)))))
2108 (defun article-strip-blank-lines ()
2109 "Strip leading, trailing and multiple blank lines."
2111 (article-strip-leading-blank-lines)
2112 (article-remove-trailing-blank-lines)
2113 (article-strip-multiple-blank-lines))
2115 (defun article-strip-all-blank-lines ()
2116 "Strip all blank lines."
2119 (let ((inhibit-point-motion-hooks t)
2122 (while (re-search-forward "^[ \t]*\n" nil t)
2123 (replace-match "" t t)))))
2125 (defun gnus-article-narrow-to-signature ()
2126 "Narrow to the signature; return t if a signature is found, else nil."
2127 (let ((inhibit-point-motion-hooks t))
2128 (when (gnus-article-search-signature)
2130 ;; Check whether we have some limits to what we consider
2131 ;; to be a signature.
2132 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2133 (list gnus-signature-limit)))
2135 (while (setq limit (pop limits))
2136 (if (or (and (integerp limit)
2137 (< (- (point-max) (point)) limit))
2139 (< (count-lines (point) (point-max)) limit))
2140 (and (gnus-functionp limit)
2142 (and (stringp limit)
2143 (not (re-search-forward limit nil t))))
2144 () ; This limit did not succeed.
2148 (narrow-to-region (point) (point-max))
2151 (defun gnus-article-search-signature ()
2152 "Search the current buffer for the signature separator.
2153 Put point at the beginning of the signature separator."
2154 (let ((cur (point)))
2155 (goto-char (point-max))
2156 (if (if (stringp gnus-signature-separator)
2157 (re-search-backward gnus-signature-separator nil t)
2158 (let ((seps gnus-signature-separator))
2160 (not (re-search-backward (car seps) nil t)))
2167 (defun gnus-article-hidden-arg ()
2168 "Return the current prefix arg as a number, or 0 if no prefix."
2169 (list (if current-prefix-arg
2170 (prefix-numeric-value current-prefix-arg)
2173 (defun gnus-article-check-hidden-text (type arg)
2174 "Return nil if hiding is necessary.
2175 Arg can be nil or a number. Nil and positive means hide, negative
2176 means show, 0 means toggle."
2179 (let ((hide (gnus-article-hidden-text-p type)))
2185 (gnus-article-show-hidden-text type)
2188 (if (eq hide 'hidden)
2190 (gnus-article-show-hidden-text type)
2194 (defun gnus-article-hidden-text-p (type)
2195 "Say whether the current buffer contains hidden text of type TYPE."
2196 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2198 (not (get-text-property pos 'invisible))
2199 (not (get-text-property pos 'dummy-invisible)))
2201 (text-property-any (1+ pos) (point-max) 'article-type type)))
2206 (defun gnus-article-show-hidden-text (type &optional dummy)
2207 "Show all hidden text of type TYPE.
2208 Originally it is hide instead of DUMMY."
2209 (let ((buffer-read-only nil)
2210 (inhibit-point-motion-hooks t))
2211 (gnus-remove-text-properties-when
2213 (point-min) (point-max)
2214 (cons 'article-type (cons type
2215 gnus-hidden-properties)))))
2217 (defconst article-time-units
2218 `((year . ,(* 365.25 24 60 60))
2219 (week . ,(* 7 24 60 60))
2220 (day . ,(* 24 60 60))
2224 "Mapping from time units to seconds.")
2226 (defun article-date-ut (&optional type highlight header)
2227 "Convert DATE date to universal time in the current article.
2228 If TYPE is `local', convert to local time; if it is `lapsed', output
2229 how much time has lapsed since DATE. For `lapsed', the value of
2230 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2231 should replace the \"Date:\" one, or should be added below it."
2232 (interactive (list 'ut t))
2233 (let* ((header (or header
2234 (message-fetch-field "date")
2236 (tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
2239 ((not gnus-article-date-lapsed-new-header)
2245 (date (if (vectorp header) (mail-header-date header)
2247 (inhibit-point-motion-hooks t)
2252 (article-narrow-to-head)
2253 (when (re-search-forward tdate-regexp nil t)
2254 (setq bface (get-text-property (gnus-point-at-bol) 'face)
2255 date (or (get-text-property (gnus-point-at-bol)
2258 eface (get-text-property (1- (gnus-point-at-eol)) 'face))
2260 (when (and date (not (string= date "")))
2261 (goto-char (point-min))
2262 (let ((buffer-read-only nil))
2263 ;; Delete any old Date headers.
2264 (while (re-search-forward date-regexp nil t)
2266 (delete-region (progn (beginning-of-line) (point))
2267 (progn (forward-line 1) (point)))
2268 (delete-region (progn (beginning-of-line) (point))
2269 (progn (end-of-line) (point)))
2270 (setq pos (point))))
2271 (when (and (not pos) (re-search-forward tdate-regexp nil t))
2273 (if pos (goto-char pos))
2274 (insert (article-make-date-line date (or type 'ut)))
2280 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
2281 (put-text-property (match-beginning 1) (1+ (match-end 1))
2282 'original-date date)
2283 (put-text-property (match-beginning 1) (1+ (match-end 1))
2285 (put-text-property (match-beginning 2) (match-end 2)
2288 (defun article-make-date-line (date type)
2289 "Return a DATE line of TYPE."
2290 (unless (memq type '(local ut original user iso8601 lapsed english))
2291 (error "Unknown conversion type: %s" type))
2293 (let ((time (date-to-time date)))
2295 ;; Convert to the local timezone.
2297 (let ((tz (car (current-time-zone time))))
2298 (format "Date: %s %s%02d%02d" (current-time-string time)
2299 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2300 (/ (% (abs tz) 3600) 60))))
2301 ;; Convert to Universal Time.
2304 (current-time-string
2305 (let* ((e (parse-time-string date))
2306 (tm (apply 'encode-time e))
2308 (ls (- (cadr tm) (car (current-time-zone time)))))
2309 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
2310 ((> ls 65535) (list (1+ ms) (- ls 65536)))
2313 ;; Get the original date from the article.
2314 ((eq type 'original)
2315 (concat "Date: " (if (string-match "\n+$" date)
2316 (substring date 0 (match-beginning 0))
2318 ;; Let the user define the format.
2320 (if (gnus-functionp gnus-article-time-format)
2321 (funcall gnus-article-time-format time)
2324 (format-time-string gnus-article-time-format time))))
2327 (let ((tz (car (current-time-zone time))))
2330 (format-time-string "%Y%m%dT%H%M%S" time)
2331 (format "%s%02d%02d"
2332 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2333 (/ (% (abs tz) 3600) 60)))))
2334 ;; Do an X-Sent lapsed format.
2336 ;; If the date is seriously mangled, the timezone functions are
2337 ;; liable to bug out, so we ignore all errors.
2338 (let* ((now (current-time))
2339 (real-time (subtract-time now time))
2340 (real-sec (and real-time
2341 (+ (* (float (car real-time)) 65536)
2343 (sec (and real-time (abs real-sec)))
2353 ;; This is a bit convoluted, but basically we go
2354 ;; through the time units for years, weeks, etc,
2355 ;; and divide things to see whether that results
2356 ;; in positive answers.
2359 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
2360 ;; The (remaining) seconds are too few to
2361 ;; be divided into this time unit.
2363 ;; It's big enough, so we output it.
2364 (setq sec (- sec (* num (cdr unit))))
2366 (concat (if prev ", " "") (int-to-string
2368 " " (symbol-name (car unit))
2369 (if (> num 1) "s" ""))
2371 article-time-units "")
2372 ;; If dates are odd, then it might appear like the
2373 ;; article was sent in the future.
2376 " in the future"))))))
2377 ;; Display the date in proper English
2379 (let ((dtime (decode-time time)))
2382 (number-to-string (nth 3 dtime))
2383 (let ((digit (% (nth 3 dtime) 10)))
2385 ((memq (nth 3 dtime) '(11 12 13)) "th")
2391 (nth (1- (nth 4 dtime)) gnus-english-month-names)
2393 (number-to-string (nth 5 dtime))
2395 (format "%02d" (nth 2 dtime))
2397 (format "%02d" (nth 1 dtime)))))))
2399 (format "Date: %s (from Oort)" date))))
2401 (defun article-date-local (&optional highlight)
2402 "Convert the current article date to the local timezone."
2403 (interactive (list t))
2404 (article-date-ut 'local highlight))
2406 (defun article-date-english (&optional highlight)
2407 "Convert the current article date to something that is proper English."
2408 (interactive (list t))
2409 (article-date-ut 'english highlight))
2411 (defun article-date-original (&optional highlight)
2412 "Convert the current article date to what it was originally.
2413 This is only useful if you have used some other date conversion
2414 function and want to see what the date was before converting."
2415 (interactive (list t))
2416 (article-date-ut 'original highlight))
2418 (defun article-date-lapsed (&optional highlight)
2419 "Convert the current article date to time lapsed since it was sent."
2420 (interactive (list t))
2421 (article-date-ut 'lapsed highlight))
2423 (defun article-update-date-lapsed ()
2424 "Function to be run from a timer to update the lapsed time line."
2425 (let (deactivate-mark)
2430 (set-buffer (window-buffer w))
2431 (when (eq major-mode 'gnus-article-mode)
2432 (goto-char (point-min))
2433 (when (re-search-forward "^X-Sent:" nil t)
2434 (article-date-lapsed t))))
2437 (defun gnus-start-date-timer (&optional n)
2438 "Start a timer to update the X-Sent header in the article buffers.
2439 The numerical prefix says how frequently (in seconds) the function
2444 (gnus-stop-date-timer)
2445 (setq article-lapsed-timer
2446 (nnheader-run-at-time 1 n 'article-update-date-lapsed)))
2448 (defun gnus-stop-date-timer ()
2449 "Stop the X-Sent timer."
2451 (when article-lapsed-timer
2452 (nnheader-cancel-timer article-lapsed-timer)
2453 (setq article-lapsed-timer nil)))
2455 (defun article-date-user (&optional highlight)
2456 "Convert the current article date to the user-defined format.
2457 This format is defined by the `gnus-article-time-format' variable."
2458 (interactive (list t))
2459 (article-date-ut 'user highlight))
2461 (defun article-date-iso8601 (&optional highlight)
2462 "Convert the current article date to ISO8601."
2463 (interactive (list t))
2464 (article-date-ut 'iso8601 highlight))
2466 (defun article-show-all ()
2467 "Show all hidden text in the article buffer."
2470 (let ((buffer-read-only nil))
2471 (gnus-article-unhide-text (point-min) (point-max)))))
2473 (defun article-remove-leading-whitespace ()
2474 "Remove excessive whitespace from all headers."
2478 (let ((buffer-read-only nil))
2479 (article-narrow-to-head)
2480 (goto-char (point-min))
2481 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
2482 (delete-region (match-beginning 1) (match-end 1)))))))
2484 (defun article-emphasize (&optional arg)
2485 "Emphasize text according to `gnus-emphasis-alist'."
2486 (interactive (gnus-article-hidden-arg))
2487 (unless (gnus-article-check-hidden-text 'emphasis arg)
2491 (with-current-buffer gnus-summary-buffer
2492 gnus-article-emphasis-alist)
2494 gnus-emphasis-alist))
2495 (buffer-read-only nil)
2496 (props (append '(article-type emphasis)
2497 gnus-hidden-properties))
2498 regexp elem beg invisible visible face)
2501 (while (setq elem (pop alist))
2503 (setq regexp (car elem)
2504 invisible (nth 1 elem)
2505 visible (nth 2 elem)
2507 (while (re-search-forward regexp nil t)
2508 (when (and (match-beginning visible) (match-beginning invisible))
2509 (gnus-article-hide-text
2510 (match-beginning invisible) (match-end invisible) props)
2511 (gnus-article-unhide-text-type
2512 (match-beginning visible) (match-end visible) 'emphasis)
2513 (gnus-put-text-property-excluding-newlines
2514 (match-beginning visible) (match-end visible) 'face face)
2515 (push 'emphasis gnus-article-wash-types)
2516 (goto-char (match-end invisible)))))))))
2518 (defun gnus-article-setup-highlight-words (&optional highlight-words)
2519 "Setup newsgroup emphasis alist."
2520 (unless gnus-article-emphasis-alist
2521 (let ((name (and gnus-newsgroup-name
2522 (gnus-group-real-name gnus-newsgroup-name))))
2523 (make-local-variable 'gnus-article-emphasis-alist)
2524 (setq gnus-article-emphasis-alist
2526 (let ((alist gnus-group-highlight-words-alist) elem highlight)
2527 (while (setq elem (pop alist))
2528 (when (and name (string-match (car elem) name))
2530 highlight (copy-sequence (cdr elem)))))
2532 (copy-sequence highlight-words)
2533 (if gnus-newsgroup-name
2534 (copy-sequence (gnus-group-find-parameter
2535 gnus-newsgroup-name 'highlight-words t)))
2536 gnus-emphasis-alist)))))
2539 (defvar gnus-summary-article-menu)
2540 (defvar gnus-summary-post-menu))
2542 ;;; Saving functions.
2544 (defun gnus-article-save (save-buffer file &optional num)
2545 "Save the currently selected article."
2546 (unless gnus-save-all-headers
2547 ;; Remove headers according to `gnus-saved-headers'.
2548 (let ((gnus-visible-headers
2549 (or gnus-saved-headers gnus-visible-headers))
2550 (gnus-article-buffer save-buffer))
2552 (set-buffer save-buffer)
2553 (article-hide-headers 1 t))))
2554 (save-window-excursion
2555 (if (not gnus-default-article-saver)
2556 (error "No default saver is defined")
2557 ;; !!! Magic! The saving functions all save
2558 ;; `gnus-save-article-buffer' (or so they think), but we
2559 ;; bind that variable to our save-buffer.
2560 (set-buffer gnus-article-buffer)
2561 (let* ((gnus-save-article-buffer save-buffer)
2564 ((not gnus-prompt-before-saving) 'default)
2565 ((eq gnus-prompt-before-saving 'always) nil)
2567 (gnus-number-of-articles-to-be-saved
2568 (when (eq gnus-prompt-before-saving t)
2570 (set-buffer gnus-article-current-summary)
2571 (funcall gnus-default-article-saver filename)))))
2573 (defun gnus-read-save-file-name (prompt &optional filename
2574 function group headers variable)
2576 (funcall function group headers (symbol-value variable)))
2581 ((eq filename 'default)
2587 (let* ((split-name (gnus-get-split-value gnus-split-methods))
2590 (if (and gnus-number-of-articles-to-be-saved
2591 (> gnus-number-of-articles-to-be-saved 1))
2592 (format "these %d articles"
2593 gnus-number-of-articles-to-be-saved)
2596 ;; Let the split methods have their say.
2598 ;; No split name was found.
2601 (concat prompt " (default "
2602 (file-name-nondirectory default-name) ") ")
2603 (file-name-directory default-name)
2605 ;; A single group name is returned.
2606 ((stringp split-name)
2608 (funcall function split-name headers
2609 (symbol-value variable)))
2611 (concat prompt " (default "
2612 (file-name-nondirectory default-name) ") ")
2613 (file-name-directory default-name)
2615 ;; A single split name was found
2616 ((= 1 (length split-name))
2617 (let* ((name (expand-file-name
2619 gnus-article-save-directory))
2620 (dir (cond ((file-directory-p name)
2621 (file-name-as-directory name))
2622 ((file-exists-p name) name)
2623 (t gnus-article-save-directory))))
2625 (concat prompt " (default " name ") ")
2627 ;; A list of splits was found.
2629 (setq split-name (nreverse split-name))
2631 (let ((file-name-history
2632 (nconc split-name file-name-history)))
2636 (concat prompt " (`M-p' for defaults) ")
2637 gnus-article-save-directory
2639 gnus-article-save-directory)))
2640 (car (push result file-name-history)))))))
2641 ;; Create the directory.
2642 (gnus-make-directory (file-name-directory file))
2643 ;; If we have read a directory, we append the default file name.
2644 (when (file-directory-p file)
2645 (setq file (expand-file-name (file-name-nondirectory
2647 (file-name-as-directory file))))
2648 ;; Possibly translate some characters.
2649 (nnheader-translate-file-chars file))))))
2650 (gnus-make-directory (file-name-directory result))
2651 (set variable result)))
2653 (defun gnus-article-archive-name (group)
2654 "Return the first instance of an \"Archive-name\" in the current buffer."
2655 (let ((case-fold-search t))
2656 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
2657 (nnheader-concat gnus-article-save-directory
2658 (match-string 1)))))
2660 (defun gnus-article-nndoc-name (group)
2661 "If GROUP is an nndoc group, return the name of the parent group."
2662 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
2663 (gnus-group-get-parameter group 'save-article-group)))
2665 (defun gnus-summary-save-in-rmail (&optional filename)
2666 "Append this article to Rmail file.
2667 Optional argument FILENAME specifies file name.
2668 Directory to save to is default to `gnus-article-save-directory'."
2669 (setq filename (gnus-read-save-file-name
2670 "Save %s in rmail file:" filename
2671 gnus-rmail-save-name gnus-newsgroup-name
2672 gnus-current-headers 'gnus-newsgroup-last-rmail))
2673 (gnus-eval-in-buffer-window gnus-save-article-buffer
2677 (gnus-output-to-rmail filename))))
2680 (defun gnus-summary-save-in-mail (&optional filename)
2681 "Append this article to Unix mail file.
2682 Optional argument FILENAME specifies file name.
2683 Directory to save to is default to `gnus-article-save-directory'."
2684 (setq filename (gnus-read-save-file-name
2685 "Save %s in Unix mail file:" filename
2686 gnus-mail-save-name gnus-newsgroup-name
2687 gnus-current-headers 'gnus-newsgroup-last-mail))
2688 (gnus-eval-in-buffer-window gnus-save-article-buffer
2692 (if (and (file-readable-p filename)
2693 (mail-file-babyl-p filename))
2694 (rmail-output-to-rmail-file filename t)
2695 (gnus-output-to-mail filename)))))
2698 (defun gnus-summary-save-in-file (&optional filename overwrite)
2699 "Append this article to file.
2700 Optional argument FILENAME specifies file name.
2701 Directory to save to is default to `gnus-article-save-directory'."
2702 (setq filename (gnus-read-save-file-name
2703 "Save %s in file:" filename
2704 gnus-file-save-name gnus-newsgroup-name
2705 gnus-current-headers 'gnus-newsgroup-last-file))
2706 (gnus-eval-in-buffer-window gnus-save-article-buffer
2710 (when (and overwrite
2711 (file-exists-p filename))
2712 (delete-file filename))
2713 (gnus-output-to-file filename))))
2716 (defun gnus-summary-write-to-file (&optional filename)
2717 "Write this article to a file, overwriting it if the file exists.
2718 Optional argument FILENAME specifies file name.
2719 The directory to save in defaults to `gnus-article-save-directory'."
2720 (gnus-summary-save-in-file nil t))
2722 (defun gnus-summary-save-body-in-file (&optional filename)
2723 "Append this article body to a file.
2724 Optional argument FILENAME specifies file name.
2725 The directory to save in defaults to `gnus-article-save-directory'."
2726 (setq filename (gnus-read-save-file-name
2727 "Save %s body in file:" filename
2728 gnus-file-save-name gnus-newsgroup-name
2729 gnus-current-headers 'gnus-newsgroup-last-file))
2730 (gnus-eval-in-buffer-window gnus-save-article-buffer
2734 (when (article-goto-body)
2735 (narrow-to-region (point) (point-max)))
2736 (gnus-output-to-file filename))))
2739 (defun gnus-summary-save-in-pipe (&optional command)
2740 "Pipe this article to subprocess."
2742 (cond ((and (eq command 'default)
2743 gnus-last-shell-command)
2744 gnus-last-shell-command)
2749 "Shell command on %s: "
2750 (if (and gnus-number-of-articles-to-be-saved
2751 (> gnus-number-of-articles-to-be-saved 1))
2752 (format "these %d articles"
2753 gnus-number-of-articles-to-be-saved)
2755 gnus-last-shell-command))))
2756 (when (string-equal command "")
2757 (if gnus-last-shell-command
2758 (setq command gnus-last-shell-command)
2759 (error "A command is required")))
2760 (gnus-eval-in-buffer-window gnus-article-buffer
2763 (shell-command-on-region (point-min) (point-max) command nil)))
2764 (setq gnus-last-shell-command command))
2766 ;;; Article file names when saving.
2768 (defun gnus-capitalize-newsgroup (newsgroup)
2769 "Capitalize NEWSGROUP name."
2770 (when (not (zerop (length newsgroup)))
2771 (concat (char-to-string (upcase (aref newsgroup 0)))
2772 (substring newsgroup 1))))
2774 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
2775 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
2776 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
2777 Otherwise, it is like ~/News/news/group/num."
2780 (concat (if (gnus-use-long-file-name 'not-save)
2781 (gnus-capitalize-newsgroup newsgroup)
2782 (gnus-newsgroup-directory-form newsgroup))
2783 "/" (int-to-string (mail-header-number headers)))
2784 gnus-article-save-directory)))
2786 (string-equal (file-name-directory default)
2787 (file-name-directory last-file))
2788 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
2790 (or last-file default))))
2792 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
2793 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
2794 If variable `gnus-use-long-file-name' is non-nil, it is
2795 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
2798 (concat (if (gnus-use-long-file-name 'not-save)
2800 (gnus-newsgroup-directory-form newsgroup))
2801 "/" (int-to-string (mail-header-number headers)))
2802 gnus-article-save-directory)))
2804 (string-equal (file-name-directory default)
2805 (file-name-directory last-file))
2806 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
2808 (or last-file default))))
2810 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
2811 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
2812 If variable `gnus-use-long-file-name' is non-nil, it is
2813 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
2816 (if (gnus-use-long-file-name 'not-save)
2819 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
2821 gnus-article-save-directory)))
2823 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
2824 "Generate file name from sender."
2825 (let ((from (mail-header-from headers)))
2827 (if (and from (string-match "\\([^ <]+\\)@" from))
2828 (match-string 1 from)
2830 gnus-article-save-directory)))
2832 (defun article-verify-x-pgp-sig ()
2835 (if (gnus-buffer-live-p gnus-original-article-buffer)
2836 (let ((sig (with-current-buffer gnus-original-article-buffer
2837 (gnus-fetch-field "X-PGP-Sig")))
2841 (mml2015-clear-verify-function))
2843 (insert-buffer gnus-original-article-buffer)
2844 (setq items (split-string sig))
2845 (message-narrow-to-head)
2846 (let ((inhibit-point-motion-hooks t)
2847 (case-fold-search t))
2848 ;; Don't verify multiple headers.
2849 (setq headers (mapconcat (lambda (header)
2851 (mail-fetch-field header) "\n"))
2852 (split-string (nth 1 items) ",") "")))
2853 (delete-region (point-min) (point-max))
2854 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
2855 (insert "X-Signed-Headers: " (nth 1 items) "\n")
2860 (if (looking-at "^-")
2863 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
2864 (insert "Version: " (car items) "\n\n")
2865 (insert (mapconcat 'identity (cddr items) "\n"))
2866 (insert "\n-----END PGP SIGNATURE-----\n")
2867 (let ((mm-security-handle (list (format "multipart/signed"))))
2868 (mml2015-clean-buffer)
2869 (let ((coding-system-for-write (or gnus-newsgroup-charset
2871 (funcall (mml2015-clear-verify-function)))
2873 (or (mm-handle-multipart-ctl-parameter
2874 mm-security-handle 'gnus-details)
2875 (mm-handle-multipart-ctl-parameter
2876 mm-security-handle 'gnus-info)))))
2878 (let (buffer-read-only bface eface)
2880 (message-narrow-to-head)
2881 (goto-char (point-max))
2883 (setq bface (get-text-property (gnus-point-at-bol) 'face)
2884 eface (get-text-property (1- (gnus-point-at-eol)) 'face))
2885 (message-remove-header "X-Gnus-PGP-Verify")
2886 (if (re-search-forward "^X-PGP-Sig:" nil t)
2888 (goto-char (point-max)))
2889 (narrow-to-region (point) (point))
2890 (insert "X-Gnus-PGP-Verify: " info "\n")
2891 (goto-char (point-min))
2894 (if (not (looking-at "^[ \t]"))
2898 (goto-char (point-min))
2899 (when (looking-at "\\([^:]+\\): *")
2900 (put-text-property (match-beginning 1) (1+ (match-end 1))
2902 (put-text-property (match-end 0) (point-max)
2903 'face eface)))))))))
2905 (defun article-verify-cancel-lock ()
2906 "Verify Cancel-Lock header."
2908 (if (gnus-buffer-live-p gnus-original-article-buffer)
2909 (canlock-verify gnus-original-article-buffer)))
2916 (setq afunc (car func)
2919 gfunc (intern (format "gnus-%s" func))))
2922 `(lambda (&optional interactive &rest args)
2923 ,(documentation afunc t)
2924 (interactive (list t))
2926 (set-buffer gnus-article-buffer)
2928 (call-interactively ',afunc)
2929 (apply ',afunc args))))))))
2930 '(article-hide-headers
2931 article-verify-x-pgp-sig
2932 article-verify-cancel-lock
2933 article-hide-boring-headers
2934 article-treat-overstrike
2935 article-fill-long-lines
2936 article-capitalize-sentences
2938 article-remove-leading-whitespace
2939 article-display-x-face
2940 article-de-quoted-unreadable
2941 article-de-base64-unreadable
2944 article-hide-list-identifiers
2946 article-strip-banner
2949 article-hide-signature
2950 article-strip-headers-in-body
2951 article-remove-trailing-blank-lines
2952 article-strip-leading-blank-lines
2953 article-strip-multiple-blank-lines
2954 article-strip-leading-space
2955 article-strip-trailing-space
2956 article-strip-blank-lines
2957 article-strip-all-blank-lines
2958 article-replace-with-quoted-text
2960 article-date-english
2961 article-date-iso8601
2962 article-date-original
2964 article-decode-mime-words
2965 article-decode-charset
2966 article-decode-encoded-words
2970 article-treat-dumbquotes
2971 article-normalize-headers
2972 (article-show-all . gnus-article-show-all-headers))))
2975 ;;; Gnus article mode
2978 (put 'gnus-article-mode 'mode-class 'special)
2980 (set-keymap-parent gnus-article-mode-map widget-keymap)
2982 (gnus-define-keys gnus-article-mode-map
2983 " " gnus-article-goto-next-page
2984 "\177" gnus-article-goto-prev-page
2985 [delete] gnus-article-goto-prev-page
2986 [backspace] gnus-article-goto-prev-page
2987 "\C-c^" gnus-article-refer-article
2988 "h" gnus-article-show-summary
2989 "s" gnus-article-show-summary
2990 "\C-c\C-m" gnus-article-mail
2991 "?" gnus-article-describe-briefly
2992 "e" gnus-summary-edit-article
2993 "<" beginning-of-buffer
2995 "\C-c\C-i" gnus-info-find-node
2997 "\C-hk" gnus-article-describe-key
2998 "\C-hc" gnus-article-describe-key-briefly
3000 "\C-d" gnus-article-read-summary-keys
3001 "\M-*" gnus-article-read-summary-keys
3002 "\M-#" gnus-article-read-summary-keys
3003 "\M-^" gnus-article-read-summary-keys
3004 "\M-g" gnus-article-read-summary-keys)
3006 (substitute-key-definition
3007 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
3009 (defun gnus-article-make-menu-bar ()
3010 (unless (boundp 'gnus-article-commands-menu)
3011 (gnus-summary-make-menu-bar))
3012 (gnus-turn-off-edit-menu 'article)
3013 (unless (boundp 'gnus-article-article-menu)
3015 gnus-article-article-menu gnus-article-mode-map ""
3017 ["Scroll forwards" gnus-article-goto-next-page t]
3018 ["Scroll backwards" gnus-article-goto-prev-page t]
3019 ["Show summary" gnus-article-show-summary t]
3020 ["Fetch Message-ID at point" gnus-article-refer-article t]
3021 ["Mail to address at point" gnus-article-mail t]
3022 ["Send a bug report" gnus-bug t]))
3025 gnus-article-treatment-menu gnus-article-mode-map ""
3026 ;; Fixme: this should use :active (and maybe :visible).
3028 ["Hide headers" gnus-article-hide-headers t]
3029 ["Hide signature" gnus-article-hide-signature t]
3030 ["Hide citation" gnus-article-hide-citation t]
3031 ["Treat overstrike" gnus-article-treat-overstrike t]
3032 ["Remove carriage return" gnus-article-remove-cr t]
3033 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3034 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
3035 ["Remove base64" gnus-article-de-base64-unreadable t]
3036 ["Treat html" gnus-article-wash-html t]
3037 ["Decode HZ" gnus-article-decode-HZ t]))
3039 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3041 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3043 (gnus-run-hooks 'gnus-article-menu-hook)))
3045 ;; Fixme: do something for the Emacs tool bar in Article mode a la
3048 (defun gnus-article-mode ()
3049 "Major mode for displaying an article.
3051 All normal editing commands are switched off.
3053 The following commands are available in addition to all summary mode
3055 \\<gnus-article-mode-map>
3056 \\[gnus-article-next-page]\t Scroll the article one page forwards
3057 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3058 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3059 \\[gnus-article-show-summary]\t Display the summary buffer
3060 \\[gnus-article-mail]\t Send a reply to the address near point
3061 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3062 \\[gnus-info-find-node]\t Go to the Gnus info node"
3064 (gnus-simplify-mode-line)
3065 (setq mode-name "Article")
3066 (setq major-mode 'gnus-article-mode)
3067 (make-local-variable 'minor-mode-alist)
3068 (use-local-map gnus-article-mode-map)
3069 (when (gnus-visual-p 'article-menu 'menu)
3070 (gnus-article-make-menu-bar))
3071 (gnus-update-format-specifications nil 'article-mode)
3072 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3073 (make-local-variable 'gnus-page-broken)
3074 (make-local-variable 'gnus-button-marker-list)
3075 (make-local-variable 'gnus-article-current-summary)
3076 (make-local-variable 'gnus-article-mime-handles)
3077 (make-local-variable 'gnus-article-decoded-p)
3078 (make-local-variable 'gnus-article-mime-handle-alist)
3079 (make-local-variable 'gnus-article-wash-types)
3080 (make-local-variable 'gnus-article-charset)
3081 (make-local-variable 'gnus-article-ignored-charsets)
3082 (gnus-set-default-directory)
3083 (buffer-disable-undo)
3084 (setq buffer-read-only t)
3085 (set-syntax-table gnus-article-mode-syntax-table)
3086 (mm-enable-multibyte)
3087 (gnus-run-hooks 'gnus-article-mode-hook))
3089 (defun gnus-article-setup-buffer ()
3090 "Initialize the article buffer."
3091 (let* ((name (if gnus-single-article-buffer "*Article*"
3092 (concat "*Article " gnus-newsgroup-name "*")))
3094 (progn (string-match "\\*Article" name)
3095 (concat " *Original Article"
3096 (substring name (match-end 0))))))
3097 (setq gnus-article-buffer name)
3098 (setq gnus-original-article-buffer original)
3099 (setq gnus-article-mime-handle-alist nil)
3100 ;; This might be a variable local to the summary buffer.
3101 (unless gnus-single-article-buffer
3103 (set-buffer gnus-summary-buffer)
3104 (setq gnus-article-buffer name)
3105 (setq gnus-original-article-buffer original)
3106 (gnus-set-global-variables)))
3107 (gnus-article-setup-highlight-words)
3108 ;; Init original article buffer.
3110 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3111 (mm-enable-multibyte)
3112 (setq major-mode 'gnus-original-article-mode)
3113 (make-local-variable 'gnus-original-article))
3114 (if (get-buffer name)
3117 (when gnus-article-mime-handles
3118 (mm-destroy-parts gnus-article-mime-handles)
3119 (setq gnus-article-mime-handles nil))
3120 ;; Set it to nil in article-buffer!
3121 (setq gnus-article-mime-handle-alist nil)
3122 (buffer-disable-undo)
3123 (setq buffer-read-only t)
3124 (unless (eq major-mode 'gnus-article-mode)
3125 (gnus-article-mode))
3128 (set-buffer (gnus-get-buffer-create name))
3130 (make-local-variable 'gnus-summary-buffer)
3131 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3132 (current-buffer)))))
3134 ;; Set article window start at LINE, where LINE is the number of lines
3135 ;; from the head of the article.
3136 (defun gnus-article-set-window-start (&optional line)
3138 (get-buffer-window gnus-article-buffer t)
3140 (set-buffer gnus-article-buffer)
3141 (goto-char (point-min))
3144 (gnus-message 6 "Moved to bookmark")
3145 (search-forward "\n\n" nil t)
3149 (defun gnus-article-prepare (article &optional all-headers header)
3150 "Prepare ARTICLE in article mode buffer.
3151 ARTICLE should either be an article number or a Message-ID.
3152 If ARTICLE is an id, HEADER should be the article headers.
3153 If ALL-HEADERS is non-nil, no headers are hidden."
3155 ;; Make sure we start in a summary buffer.
3156 (unless (eq major-mode 'gnus-summary-mode)
3157 (set-buffer gnus-summary-buffer))
3158 (setq gnus-summary-buffer (current-buffer))
3159 (let* ((gnus-article (if header (mail-header-number header) article))
3160 (summary-buffer (current-buffer))
3161 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
3162 (group gnus-newsgroup-name)
3165 (gnus-article-setup-buffer)
3166 (set-buffer gnus-article-buffer)
3167 ;; Deactivate active regions.
3168 (when (and (boundp 'transient-mark-mode)
3169 transient-mark-mode)
3170 (setq mark-active nil))
3171 (if (not (setq result (let ((buffer-read-only nil))
3172 (gnus-request-article-this-buffer
3174 ;; There is no such article.
3176 (when (and (numberp article)
3177 (not (memq article gnus-newsgroup-sparse)))
3178 (setq gnus-article-current
3179 (cons gnus-newsgroup-name article))
3180 (set-buffer gnus-summary-buffer)
3181 (setq gnus-current-article article)
3182 (if (eq (gnus-article-mark article) gnus-undownloaded-mark)
3184 (gnus-summary-set-agent-mark article)
3185 (message "Message marked for downloading"))
3186 (gnus-summary-mark-article article gnus-canceled-mark)
3187 (unless (memq article gnus-newsgroup-sparse)
3188 (gnus-error 1 "No such article (may have expired or been canceled)")))))
3189 (if (or (eq result 'pseudo)
3190 (eq result 'nneething))
3193 (set-buffer summary-buffer)
3194 (push article gnus-newsgroup-history)
3195 (setq gnus-last-article gnus-current-article
3196 gnus-current-article 0
3197 gnus-current-headers nil
3198 gnus-article-current nil)
3199 (if (eq result 'nneething)
3200 (gnus-configure-windows 'summary)
3201 (gnus-configure-windows 'article))
3202 (gnus-set-global-variables))
3203 (let ((gnus-article-mime-handle-alist-1
3204 gnus-article-mime-handle-alist))
3205 (gnus-set-mode-line 'article)))
3206 ;; The result from the `request' was an actual article -
3207 ;; or at least some text that is now displayed in the
3209 (when (and (numberp article)
3210 (not (eq article gnus-current-article)))
3211 ;; Seems like a new article has been selected.
3212 ;; `gnus-current-article' must be an article number.
3214 (set-buffer summary-buffer)
3215 (push article gnus-newsgroup-history)
3216 (setq gnus-last-article gnus-current-article
3217 gnus-current-article article
3218 gnus-current-headers
3219 (gnus-summary-article-header gnus-current-article)
3220 gnus-article-current
3221 (cons gnus-newsgroup-name gnus-current-article))
3222 (unless (vectorp gnus-current-headers)
3223 (setq gnus-current-headers nil))
3224 (gnus-summary-goto-subject gnus-current-article)
3225 (when (gnus-summary-show-thread)
3226 ;; If the summary buffer really was folded, the
3227 ;; previous goto may not actually have gone to
3228 ;; the right article, but the thread root instead.
3230 (gnus-summary-goto-subject gnus-current-article))
3231 (gnus-run-hooks 'gnus-mark-article-hook)
3232 (gnus-set-mode-line 'summary)
3233 (when (gnus-visual-p 'article-highlight 'highlight)
3234 (gnus-run-hooks 'gnus-visual-mark-article-hook))
3235 ;; Set the global newsgroup variables here.
3236 (gnus-set-global-variables)
3237 (setq gnus-have-all-headers
3238 (or all-headers gnus-show-all-headers))))
3240 (gnus-configure-windows 'article))
3241 (when (or (numberp article)
3243 (gnus-article-prepare-display)
3245 (goto-char (point-min))
3246 (setq gnus-page-broken
3247 (when gnus-break-pages
3248 (gnus-narrow-to-page)
3250 (let ((gnus-article-mime-handle-alist-1
3251 gnus-article-mime-handle-alist))
3252 (gnus-set-mode-line 'article))
3254 (set-window-point (get-buffer-window (current-buffer)) (point))
3255 (gnus-configure-windows 'article)
3259 (defun gnus-article-prepare-display ()
3260 "Make the current buffer look like a nice article."
3261 ;; Hooks for getting information from the article.
3262 ;; This hook must be called before being narrowed.
3263 (let ((gnus-article-buffer (current-buffer))
3265 (unless (eq major-mode 'gnus-article-mode)
3266 (gnus-article-mode))
3267 (setq buffer-read-only nil
3268 gnus-article-wash-types nil)
3269 (gnus-run-hooks 'gnus-tmp-internal-hook)
3270 (when gnus-display-mime-function
3271 (funcall gnus-display-mime-function))
3272 (gnus-run-hooks 'gnus-article-prepare-hook)))
3275 ;;; Gnus MIME viewing functions
3278 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
3279 "The following specs can be used:
3281 %T MIME type, along with additional info
3282 %n The `name' parameter
3283 %d The description, if any
3284 %l The length of the encoded part
3285 %p The part identifier number
3286 %e Dots if the part isn't displayed")
3288 (defvar gnus-mime-button-line-format-alist
3289 '((?t gnus-tmp-type ?s)
3290 (?T gnus-tmp-type-long ?s)
3291 (?n gnus-tmp-name ?s)
3292 (?d gnus-tmp-description ?s)
3294 (?l gnus-tmp-length ?d)
3295 (?e gnus-tmp-dots ?s)))
3297 (defvar gnus-mime-button-commands
3298 '((gnus-article-press-button "\r" "Toggle Display")
3299 (gnus-mime-view-part "v" "View Interactively...")
3300 (gnus-mime-view-part-as-type "t" "View As Type...")
3301 (gnus-mime-view-part-as-charset "C" "View As charset...")
3302 (gnus-mime-save-part "o" "Save...")
3303 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
3304 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
3305 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
3306 (gnus-mime-internalize-part "E" "View Internally")
3307 (gnus-mime-externalize-part "e" "View Externally")
3308 (gnus-mime-pipe-part "|" "Pipe To Command...")
3309 (gnus-mime-action-on-part "." "Take action on the part")))
3311 (defun gnus-article-mime-part-status ()
3312 (if gnus-article-mime-handle-alist-1
3313 (if (eq 1 (length gnus-article-mime-handle-alist-1))
3315 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
3318 (defvar gnus-mime-button-map
3319 (let ((map (make-sparse-keymap)))
3320 (unless (>= (string-to-number emacs-version) 21)
3321 ;; XEmacs doesn't care.
3322 (set-keymap-parent map gnus-article-mode-map))
3323 (define-key map gnus-mouse-2 'gnus-article-push-button)
3324 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
3325 (dolist (c gnus-mime-button-commands)
3326 (define-key map (cadr c) (car c)))
3329 (defun gnus-mime-button-menu (event)
3330 "Construct a context-sensitive menu of MIME commands."
3332 (save-window-excursion
3333 (let ((pos (event-start event)))
3334 (select-window (posn-window pos))
3335 (goto-char (posn-point pos))
3336 (gnus-article-check-buffer)
3337 (let ((response (x-popup-menu
3339 ("" ,@(mapcar (lambda (c)
3340 (cons (caddr c) (car c)))
3341 gnus-mime-button-commands))))))
3343 (call-interactively response))))))
3345 (defun gnus-mime-view-all-parts (&optional handles)
3346 "View all the MIME parts."
3348 (save-current-buffer
3349 (set-buffer gnus-article-buffer)
3350 (let ((handles (or handles gnus-article-mime-handles))
3351 (mail-parse-charset gnus-newsgroup-charset)
3352 (mail-parse-ignored-charsets
3353 (with-current-buffer gnus-summary-buffer
3354 gnus-newsgroup-ignored-charsets)))
3356 (mm-remove-parts handles)
3357 (goto-char (point-min))
3358 (or (search-forward "\n\n") (goto-char (point-max)))
3359 (let (buffer-read-only)
3360 (delete-region (point) (point-max))
3361 (mm-display-parts handles))))))
3363 (defun gnus-mime-save-part-and-strip ()
3364 "Save the MIME part under point then replace it with an external body."
3366 (gnus-article-check-buffer)
3367 (let* ((data (get-text-property (point) 'gnus-data))
3369 (handles gnus-article-mime-handles))
3370 (if (mm-multiple-handles gnus-article-mime-handles)
3371 (error "This function is not implemented"))
3372 (setq file (and data (mm-save-part data)))
3374 (with-current-buffer (mm-handle-buffer data)
3376 (insert "Content-Type: " (mm-handle-media-type data))
3377 (mml-insert-parameter-string (cdr (mm-handle-type data))
3380 (insert "Content-ID: " (message-make-message-id) "\n")
3381 (insert "Content-Transfer-Encoding: binary\n")
3384 (cdr (mm-make-handle nil
3385 `("message/external-body"
3386 (access-type . "LOCAL-FILE")
3388 (set-buffer gnus-summary-buffer)
3389 (gnus-article-edit-article
3392 (let ((mail-parse-charset (or gnus-article-charset
3393 ',gnus-newsgroup-charset))
3394 (mail-parse-ignored-charsets
3395 (or gnus-article-ignored-charsets
3396 ',gnus-newsgroup-ignored-charsets))
3397 (mbl mml-buffer-list))
3398 (setq mml-buffer-list nil)
3399 (insert-buffer gnus-original-article-buffer)
3400 (mime-to-mml ',handles)
3401 (setq gnus-article-mime-handles nil)
3402 (let ((mbl1 mml-buffer-list))
3403 (setq mml-buffer-list mbl)
3404 (set (make-local-variable 'mml-buffer-list) mbl1))
3405 ;; LOCAL argument of add-hook differs between GNU Emacs
3406 ;; and XEmacs. make-local-hook makes sure they are local.
3407 (make-local-hook 'kill-buffer-hook)
3408 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
3409 `(lambda (no-highlight)
3410 (let ((mail-parse-charset (or gnus-article-charset
3411 ',gnus-newsgroup-charset))
3412 (message-options message-options)
3413 (message-options-set-recipient)
3414 (mail-parse-ignored-charsets
3415 (or gnus-article-ignored-charsets
3416 ',gnus-newsgroup-ignored-charsets)))
3418 (mml-destroy-buffers)
3419 (remove-hook 'kill-buffer-hook
3420 'mml-destroy-buffers t)
3421 (kill-local-variable 'mml-buffer-list))
3422 (gnus-summary-edit-article-done
3423 ,(or (mail-header-references gnus-current-headers) "")
3424 ,(gnus-group-read-only-p)
3425 ,gnus-summary-buffer no-highlight))))))
3427 (defun gnus-mime-save-part ()
3428 "Save the MIME part under point."
3430 (gnus-article-check-buffer)
3431 (let ((data (get-text-property (point) 'gnus-data)))
3433 (mm-save-part data))))
3435 (defun gnus-mime-pipe-part ()
3436 "Pipe the MIME part under point to a process."
3438 (gnus-article-check-buffer)
3439 (let ((data (get-text-property (point) 'gnus-data)))
3441 (mm-pipe-part data))))
3443 (defun gnus-mime-view-part ()
3444 "Interactively choose a viewing method for the MIME part under point."
3446 (gnus-article-check-buffer)
3447 (let ((data (get-text-property (point) 'gnus-data)))
3449 (setq gnus-article-mime-handles
3451 gnus-article-mime-handles (setq data (copy-sequence data))))
3452 (mm-interactively-view-part data))))
3454 (defun gnus-mime-view-part-as-type-internal ()
3455 (gnus-article-check-buffer)
3456 (let* ((name (mail-content-type-get
3457 (mm-handle-type (get-text-property (point) 'gnus-data))
3459 (def-type (and name (mm-default-file-encoding name))))
3460 (and def-type (cons def-type 0))))
3462 (defun gnus-mime-view-part-as-type (&optional mime-type)
3463 "Choose a MIME media type, and view the part as such."
3466 (setq mime-type (completing-read
3467 "View as MIME type: "
3468 (mapcar #'list (mailcap-mime-types))
3470 (gnus-mime-view-part-as-type-internal))))
3471 (gnus-article-check-buffer)
3472 (let ((handle (get-text-property (point) 'gnus-data)))
3475 (mm-make-handle (mm-handle-buffer handle)
3476 (cons mime-type (cdr (mm-handle-type handle)))
3477 (mm-handle-encoding handle)
3478 (mm-handle-undisplayer handle)
3479 (mm-handle-disposition handle)
3480 (mm-handle-description handle)
3482 (mm-handle-id handle)))
3483 (setq gnus-article-mime-handles
3484 (mm-merge-handles gnus-article-mime-handles handle))
3485 (gnus-mm-display-part handle))))
3487 (defun gnus-mime-copy-part (&optional handle)
3488 "Put the the MIME part under point into a new buffer."
3490 (gnus-article-check-buffer)
3491 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3492 (contents (and handle (mm-get-part handle)))
3494 (file-name-nondirectory
3496 (mail-content-type-get (mm-handle-type handle) 'name)
3497 (mail-content-type-get (mm-handle-type handle)
3500 (buffer (and base (generate-new-buffer base))))
3502 (switch-to-buffer buffer)
3504 ;; We do it this way to make `normal-mode' set the appropriate mode.
3507 (setq buffer-file-name (expand-file-name base))
3509 (setq buffer-file-name nil))
3510 (goto-char (point-min)))))
3512 (defun gnus-mime-inline-part (&optional handle arg)
3513 "Insert the MIME part under point into the current buffer."
3514 (interactive (list nil current-prefix-arg))
3515 (gnus-article-check-buffer)
3516 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3521 (if (and (not arg) (mm-handle-undisplayer handle))
3522 (mm-remove-part handle)
3523 (setq contents (mm-get-part handle))
3526 (setq charset (or (mail-content-type-get
3527 (mm-handle-type handle) 'charset)
3528 gnus-newsgroup-charset)))
3530 (if (mm-handle-undisplayer handle)
3531 (mm-remove-part handle))
3534 gnus-summary-show-article-charset-alist))
3535 (mm-read-coding-system "Charset: ")))))
3537 (mm-insert-inline handle
3539 (setq charset (mm-charset-to-coding-system
3541 (not (eq charset 'ascii)))
3542 (mm-decode-coding-string contents charset)
3546 (defun gnus-mime-view-part-as-charset (&optional handle arg)
3547 "Insert the MIME part under point into the current buffer using the
3549 (interactive (list nil current-prefix-arg))
3550 (gnus-article-check-buffer)
3551 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3556 (if (mm-handle-undisplayer handle)
3557 (mm-remove-part handle))
3558 (let ((gnus-newsgroup-charset
3560 gnus-summary-show-article-charset-alist))
3561 (mm-read-coding-system "Charset: ")))
3562 (gnus-newsgroup-ignored-charsets 'gnus-all))
3563 (gnus-article-press-button)))))
3565 (defun gnus-mime-externalize-part (&optional handle)
3566 "View the MIME part under point with an external viewer."
3568 (gnus-article-check-buffer)
3569 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3570 (mm-user-display-methods nil)
3571 (mm-inlined-types nil)
3572 (mail-parse-charset gnus-newsgroup-charset)
3573 (mail-parse-ignored-charsets
3574 (save-excursion (set-buffer gnus-summary-buffer)
3575 gnus-newsgroup-ignored-charsets)))
3577 (if (mm-handle-undisplayer handle)
3578 (mm-remove-part handle)
3579 (mm-display-part handle)))))
3581 (defun gnus-mime-internalize-part (&optional handle)
3582 "View the MIME part under point with an internal viewer.
3583 If no internal viewer is available, use an external viewer."
3585 (gnus-article-check-buffer)
3586 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3587 (mm-inlined-types '(".*"))
3588 (mm-inline-large-images t)
3589 (mail-parse-charset gnus-newsgroup-charset)
3590 (mail-parse-ignored-charsets
3591 (save-excursion (set-buffer gnus-summary-buffer)
3592 gnus-newsgroup-ignored-charsets)))
3594 (if (mm-handle-undisplayer handle)
3595 (mm-remove-part handle)
3596 (mm-display-part handle)))))
3598 (defun gnus-mime-action-on-part (&optional action)
3599 "Do something with the MIME attachment at \(point\)."
3601 (list (completing-read "Action: " gnus-mime-action-alist)))
3602 (gnus-article-check-buffer)
3603 (let ((action-pair (assoc action gnus-mime-action-alist)))
3605 (funcall (cdr action-pair)))))
3607 (defun gnus-article-part-wrapper (n function)
3608 (save-current-buffer
3609 (set-buffer gnus-article-buffer)
3610 (when (> n (length gnus-article-mime-handle-alist))
3611 (error "No such part"))
3612 (gnus-article-goto-part n)
3613 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
3614 (funcall function handle))))
3616 (defun gnus-article-pipe-part (n)
3617 "Pipe MIME part N, which is the numerical prefix."
3619 (gnus-article-part-wrapper n 'mm-pipe-part))
3621 (defun gnus-article-save-part (n)
3622 "Save MIME part N, which is the numerical prefix."
3624 (gnus-article-part-wrapper n 'mm-save-part))
3626 (defun gnus-article-interactively-view-part (n)
3627 "View MIME part N interactively, which is the numerical prefix."
3629 (gnus-article-part-wrapper n 'mm-interactively-view-part))
3631 (defun gnus-article-copy-part (n)
3632 "Copy MIME part N, which is the numerical prefix."
3634 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
3636 (defun gnus-article-view-part-as-charset (n)
3637 "Copy MIME part N, which is the numerical prefix."
3639 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
3641 (defun gnus-article-externalize-part (n)
3642 "View MIME part N externally, which is the numerical prefix."
3644 (gnus-article-part-wrapper n 'gnus-mime-externalize-part))
3646 (defun gnus-article-inline-part (n)
3647 "Inline MIME part N, which is the numerical prefix."
3649 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
3651 (defun gnus-article-mime-match-handle-first (condition)
3653 (let ((alist gnus-article-mime-handle-alist) ihandle n)
3654 (while (setq ihandle (pop alist))
3656 ((functionp condition)
3657 (funcall condition (cdr ihandle)))
3658 ((eq condition 'undisplayed)
3659 (not (or (mm-handle-undisplayer (cdr ihandle))
3660 (equal (mm-handle-media-type (cdr ihandle))
3661 "multipart/alternative"))))
3662 ((eq condition 'undisplayed-alternative)
3663 (not (mm-handle-undisplayer (cdr ihandle))))
3665 (gnus-article-goto-part (car ihandle))
3666 (or (not n) (< (car ihandle) n)))
3667 (setq n (car ihandle))))
3671 (defun gnus-article-view-part (&optional n)
3672 "View MIME part N, which is the numerical prefix."
3674 (save-current-buffer
3675 (set-buffer gnus-article-buffer)
3676 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
3677 gnus-article-mime-match-handle-function)))
3678 (when (> n (length gnus-article-mime-handle-alist))
3679 (error "No such part"))
3680 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
3681 (when (gnus-article-goto-part n)
3682 (if (equal (car handle) "multipart/alternative")
3683 (gnus-article-press-button)
3684 (when (eq (gnus-mm-display-part handle) 'internal)
3685 (gnus-set-window-start)))))))
3687 (defsubst gnus-article-mime-total-parts ()
3688 (if (bufferp (car gnus-article-mime-handles))
3690 (1- (length gnus-article-mime-handles))))
3692 (defun gnus-mm-display-part (handle)
3693 "Display HANDLE and fix MIME button."
3694 (let ((id (get-text-property (point) 'gnus-part))
3699 (let ((window (selected-window))
3700 (mail-parse-charset gnus-newsgroup-charset)
3701 (mail-parse-ignored-charsets
3702 (save-excursion (set-buffer gnus-summary-buffer)
3703 gnus-newsgroup-ignored-charsets)))
3706 (let ((win (get-buffer-window (current-buffer) t))
3709 (select-window win))
3712 (if (mm-handle-displayed-p handle)
3713 ;; This will remove the part.
3714 (mm-display-part handle)
3716 (narrow-to-region (point)
3717 (if (eobp) (point) (1+ (point))))
3718 (mm-display-part handle)
3719 ;; We narrow to the part itself and
3720 ;; then call the treatment functions.
3721 (goto-char (point-min))
3723 (narrow-to-region (point) (point-max))
3726 (gnus-article-mime-total-parts)
3727 (mm-handle-media-type handle)))))
3728 (if (window-live-p window)
3729 (select-window window)))))
3731 (delete-region (gnus-point-at-bol) (progn (forward-line 1) (point)))
3732 (gnus-insert-mime-button
3733 handle id (list (mm-handle-displayed-p handle)))
3734 (goto-char point))))
3736 (defun gnus-article-goto-part (n)
3737 "Go to MIME part N."
3738 (let ((point (text-property-any (point-min) (point-max) 'gnus-part n)))
3740 (goto-char point))))
3742 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
3743 (let ((gnus-tmp-name
3744 (or (mail-content-type-get (mm-handle-type handle) 'name)
3745 (mail-content-type-get (mm-handle-disposition handle) 'filename)
3746 (mail-content-type-get (mm-handle-type handle) 'url)
3748 (gnus-tmp-type (mm-handle-media-type handle))
3749 (gnus-tmp-description
3750 (mail-decode-encoded-word-string (or (mm-handle-description handle)
3753 (if (if displayed (car displayed)
3754 (mm-handle-displayed-p handle))
3756 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
3758 gnus-tmp-type-long b e)
3759 (when (string-match ".*/" gnus-tmp-name)
3760 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
3761 (setq gnus-tmp-type-long (concat gnus-tmp-type
3762 (and (not (equal gnus-tmp-name ""))
3763 (concat "; " gnus-tmp-name))))
3764 (unless (equal gnus-tmp-description "")
3765 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
3770 gnus-mime-button-line-format gnus-mime-button-line-format-alist
3771 `(keymap ,gnus-mime-button-map
3772 ,@(if (>= (string-to-number emacs-version) 21)
3774 (list 'local-map gnus-mime-button-map))
3775 gnus-callback gnus-mm-display-part
3776 gnus-part ,gnus-tmp-id
3777 article-type annotation
3780 (widget-convert-button
3783 :action 'gnus-widget-press-button
3784 :button-keymap gnus-mime-button-map
3786 (lambda (widget/window &optional overlay pos)
3787 ;; Needed to properly clear the message due to a bug in
3788 ;; wid-edit (XEmacs only).
3789 (if (boundp 'help-echo-owns-message)
3790 (setq help-echo-owns-message t))
3792 "%S: %s the MIME part; %S: more options"
3793 (aref gnus-mouse-2 0)
3794 ;; XEmacs will get a single widget arg; Emacs 21 will get
3795 ;; window, overlay, position.
3796 (if (mm-handle-displayed-p
3798 (with-current-buffer (gnus-overlay-buffer overlay)
3799 (widget-get (widget-at (gnus-overlay-start overlay))
3801 (widget-get widget/window :mime-handle)))
3803 (aref gnus-down-mouse-3 0))))))
3805 (defun gnus-widget-press-button (elems el)
3806 (goto-char (widget-get elems :from))
3807 (gnus-article-press-button))
3809 (defvar gnus-displaying-mime nil)
3811 (defun gnus-display-mime (&optional ihandles)
3812 "Display the MIME parts."
3814 (save-selected-window
3815 (let ((window (get-buffer-window gnus-article-buffer))
3818 (select-window window)
3819 ;; We have to do this since selecting the window
3820 ;; may change the point. So we set the window point.
3821 (set-window-point window point)))
3822 (let* ((handles (or ihandles (mm-dissect-buffer) (mm-uu-dissect)))
3823 buffer-read-only handle name type b e display)
3824 (when (and (not ihandles)
3825 (not gnus-displaying-mime))
3826 ;; Top-level call; we clean up.
3827 (when gnus-article-mime-handles
3828 (mm-destroy-parts gnus-article-mime-handles)
3829 (setq gnus-article-mime-handle-alist nil));; A trick.
3830 (setq gnus-article-mime-handles handles)
3831 ;; We allow users to glean info from the handles.
3832 (when gnus-article-mime-part-function
3833 (gnus-mime-part-function handles)))
3835 (or (not (stringp (car handles)))
3838 (when (and (not ihandles)
3839 (not gnus-displaying-mime))
3840 ;; Clean up for mime parts.
3842 (delete-region (point) (point-max)))
3843 (let ((gnus-displaying-mime t))
3844 (gnus-mime-display-part handles)))
3847 (narrow-to-region (point) (point-max))
3848 (gnus-treat-article nil 1 1)
3851 ;; Highlight the headers.
3855 (narrow-to-region (point-min) (point))
3856 (gnus-treat-article 'head))))))))
3858 (defvar gnus-mime-display-multipart-as-mixed nil)
3859 (defvar gnus-mime-display-multipart-alternative-as-mixed nil)
3860 (defvar gnus-mime-display-multipart-related-as-mixed nil)
3862 (defun gnus-mime-display-part (handle)
3865 ((not (stringp (car handle)))
3866 (gnus-mime-display-single handle))
3867 ;; User-defined multipart
3868 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
3869 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
3871 ;; multipart/alternative
3872 ((and (equal (car handle) "multipart/alternative")
3873 (not (or gnus-mime-display-multipart-as-mixed
3874 gnus-mime-display-multipart-alternative-as-mixed)))
3875 (let ((id (1+ (length gnus-article-mime-handle-alist))))
3876 (push (cons id handle) gnus-article-mime-handle-alist)
3877 (gnus-mime-display-alternative (cdr handle) nil nil id)))
3878 ;; multipart/related
3879 ((and (equal (car handle) "multipart/related")
3880 (not (or gnus-mime-display-multipart-as-mixed
3881 gnus-mime-display-multipart-related-as-mixed)))
3882 ;;;!!!We should find the start part, but we just default
3883 ;;;!!!to the first part.
3884 ;;(gnus-mime-display-part (cadr handle))
3885 ;;;!!! Most multipart/related is an HTML message plus images.
3886 ;;;!!! Unfortunately we are unable to let W3 display those
3887 ;;;!!! included images, so we just display it as a mixed multipart.
3888 ;;(gnus-mime-display-mixed (cdr handle))
3889 ;;;!!! No, w3 can display everything just fine.
3890 (gnus-mime-display-part (cadr handle)))
3891 ((equal (car handle) "multipart/signed")
3892 (or (memq 'signed gnus-article-wash-types)
3893 (push 'signed gnus-article-wash-types))
3894 (gnus-mime-display-security handle))
3895 ((equal (car handle) "multipart/encrypted")
3896 (or (memq 'encrypted gnus-article-wash-types)
3897 (push 'encrypted gnus-article-wash-types))
3898 (gnus-mime-display-security handle))
3899 ;; Other multiparts are handled like multipart/mixed.
3901 (gnus-mime-display-mixed (cdr handle)))))
3903 (defun gnus-mime-part-function (handles)
3904 (if (stringp (car handles))
3905 (mapcar 'gnus-mime-part-function (cdr handles))
3906 (funcall gnus-article-mime-part-function handles)))
3908 (defun gnus-mime-display-mixed (handles)
3909 (mapcar 'gnus-mime-display-part handles))
3911 (defun gnus-mime-display-single (handle)
3912 (let ((type (mm-handle-media-type handle))
3913 (ignored gnus-ignored-mime-types)
3920 (when (string-match (pop ignored) type)
3921 (throw 'ignored nil)))
3922 (if (and (setq not-attachment
3923 (and (not (mm-inline-override-p handle))
3924 (or (not (mm-handle-disposition handle))
3925 (equal (car (mm-handle-disposition handle))
3927 (mm-attachment-override-p handle))))
3928 (mm-automatic-display-p handle)
3930 (mm-inlinable-p handle)
3931 (mm-inlined-p handle))
3932 (mm-automatic-external-display-p type)))
3934 (when (equal (mm-handle-media-supertype handle) "text")
3936 (let ((id (1+ (length gnus-article-mime-handle-alist)))
3938 (push (cons id handle) gnus-article-mime-handle-alist)
3939 (when (or (not display)
3940 (not (gnus-unbuttonized-mime-type-p type)))
3941 ;(gnus-article-insert-newline)
3942 (gnus-insert-mime-button
3943 handle id (list (or display (and not-attachment text))))
3944 (gnus-article-insert-newline)
3945 ;(gnus-article-insert-newline)
3946 ;; Remember modify the number of forward lines.
3954 (let ((mail-parse-charset gnus-newsgroup-charset)
3955 (mail-parse-ignored-charsets
3956 (save-excursion (condition-case ()
3957 (set-buffer gnus-summary-buffer)
3959 gnus-newsgroup-ignored-charsets)))
3960 (mm-display-part handle t))
3961 (goto-char (point-max)))
3962 ((and text not-attachment)
3966 (gnus-article-insert-newline)
3967 (mm-insert-inline handle (mm-get-part handle))
3968 (goto-char (point-max))))
3972 (narrow-to-region beg (point))
3975 (gnus-article-mime-total-parts)
3976 (mm-handle-media-type handle)))))))))
3978 (defun gnus-unbuttonized-mime-type-p (type)
3979 "Say whether TYPE is to be unbuttonized."
3980 (unless gnus-inhibit-mime-unbuttonizing
3982 (let ((types gnus-unbuttonized-mime-types))
3984 (when (string-match (pop types) type)
3985 (throw 'found t)))))
3987 (let ((types gnus-buttonized-mime-types))
3989 (when (string-match (pop types) type)
3990 (throw 'found t)))))))))
3992 (defun gnus-article-insert-newline ()
3993 "Insert a newline, but mark it as undeletable."
3994 (gnus-put-text-property
3995 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
3997 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
3998 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
4001 handle buffer-read-only from props begend not-pref)
4002 (save-window-excursion
4005 (narrow-to-region (car ibegend)
4008 (goto-char (car ibegend))
4011 (delete-region (point-min) (point-max))
4012 (mm-remove-parts handles))
4013 (setq begend (list (point-marker)))
4015 (unless (setq not-pref (cadr (member preferred ihandles)))
4016 (setq not-pref (car ihandles)))
4019 (not (gnus-unbuttonized-mime-type-p
4020 "multipart/alternative")))
4021 (gnus-add-text-properties
4024 (insert (format "%d. " id))
4028 (unless ,(not ibegend)
4029 (setq gnus-article-mime-handle-alist
4030 ',gnus-article-mime-handle-alist))
4031 (gnus-mime-display-alternative
4032 ',ihandles ',not-pref ',begend ,id))
4033 ,@(if (>= (string-to-number emacs-version) 21)
4034 nil ;; XEmacs doesn't care
4035 (list 'local-map gnus-mime-button-map))
4036 ,gnus-mouse-face-prop ,gnus-article-mouse-face
4037 face ,gnus-article-button-face
4038 keymap ,gnus-mime-button-map
4041 (widget-convert-button 'link from (point)
4042 :action 'gnus-widget-press-button
4043 :button-keymap gnus-widget-button-keymap)
4045 (while (setq handle (pop handles))
4046 (gnus-add-text-properties
4049 (insert (format "(%c) %-18s"
4050 (if (equal handle preferred) ?* ? )
4051 (mm-handle-media-type handle)))
4055 (unless ,(not ibegend)
4056 (setq gnus-article-mime-handle-alist
4057 ',gnus-article-mime-handle-alist))
4058 (gnus-mime-display-alternative
4059 ',ihandles ',handle ',begend ,id))
4060 ,@(if (>= (string-to-number emacs-version) 21)
4061 nil ;; XEmacs doesn't care
4062 (list 'local-map gnus-mime-button-map))
4063 ,gnus-mouse-face-prop ,gnus-article-mouse-face
4064 face ,gnus-article-button-face
4065 keymap ,gnus-mime-button-map
4068 (widget-convert-button 'link from (point)
4069 :action 'gnus-widget-press-button
4070 :button-keymap gnus-widget-button-keymap)
4074 (if (stringp (car preferred))
4075 (gnus-display-mime preferred)
4076 (let ((mail-parse-charset gnus-newsgroup-charset)
4077 (mail-parse-ignored-charsets
4078 (save-excursion (set-buffer gnus-summary-buffer)
4079 gnus-newsgroup-ignored-charsets)))
4080 (mm-display-part preferred)
4084 (narrow-to-region (car begend) (point-max))
4086 nil (length gnus-article-mime-handle-alist)
4087 (gnus-article-mime-total-parts)
4088 (mm-handle-media-type handle))))))
4089 (goto-char (point-max))
4090 (setcdr begend (point-marker)))))
4092 (goto-char point))))
4094 (defconst gnus-article-wash-status-strings
4095 (let ((alist '((cite "c" "Possible hidden citation text"
4096 " " "All citation text visible")
4097 (headers "h" "Hidden headers"
4098 " " "All headers visible.")
4099 (pgp "p" "Encrypted or signed message status hidden"
4100 " " "No hidden encryption nor digital signature status")
4101 (signature "s" "Signature has been hidden"
4102 " " "Signature is visible")
4103 (overstrike "o" "Overstrike (^H) characters applied"
4104 " " "No overstrike characters applied")
4105 (emphasis "e" "/*_Emphasis_*/ characters applied"
4106 " " "No /*_emphasis_*/ characters applied")))
4108 (dolist (entry alist result)
4109 (let ((key (nth 0 entry))
4110 (on (copy-sequence (nth 1 entry)))
4111 (on-help (nth 2 entry))
4112 (off (copy-sequence (nth 3 entry)))
4113 (off-help (nth 4 entry)))
4114 (put-text-property 0 1 'help-echo on-help on)
4115 (put-text-property 0 1 'help-echo off-help off)
4116 (push (list key on off) result))))
4117 "Alist of strings describing wash status in the mode line.
4118 Each entry has the form (KEY ON OF), where the KEY is a symbol
4119 representing the particular washing function, ON is the string to use
4120 in the article mode line when the washing function is active, and OFF
4121 is the string to use when it is inactive.")
4123 (defun gnus-gnus-article-wash-status-entry (key value)
4124 (let ((entry (assoc key gnus-article-wash-status-strings)))
4125 (if value (nth 1 entry) (nth 2 entry))))
4127 (defun gnus-article-wash-status ()
4128 "Return a string which display status of article washing."
4130 (set-buffer gnus-article-buffer)
4131 (let ((cite (memq 'cite gnus-article-wash-types))
4132 (headers (memq 'headers gnus-article-wash-types))
4133 (boring (memq 'boring-headers gnus-article-wash-types))
4134 (pgp (memq 'pgp gnus-article-wash-types))
4135 (pem (memq 'pem gnus-article-wash-types))
4136 (signed (memq 'signed gnus-article-wash-types))
4137 (encrypted (memq 'encrypted gnus-article-wash-types))
4138 (signature (memq 'signature gnus-article-wash-types))
4139 (overstrike (memq 'overstrike gnus-article-wash-types))
4140 (emphasis (memq 'emphasis gnus-article-wash-types)))
4141 (concat (gnus-gnus-article-wash-status-entry 'cite cite)
4142 (gnus-gnus-article-wash-status-entry 'headers
4143 (or headers boring))
4144 (gnus-gnus-article-wash-status-entry
4145 'pgp (or pgp pem signed encrypted))
4146 (gnus-gnus-article-wash-status-entry 'signature signature)
4147 (gnus-gnus-article-wash-status-entry 'overstrike overstrike)
4148 (gnus-gnus-article-wash-status-entry 'emphasis emphasis)))))
4150 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
4152 (defun gnus-article-maybe-hide-headers ()
4153 "Hide unwanted headers if `gnus-have-all-headers' is nil.
4154 Provided for backwards compatibility."
4155 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
4156 (not (save-excursion (set-buffer gnus-summary-buffer)
4157 gnus-have-all-headers)))
4158 (not gnus-inhibit-hiding))
4159 (gnus-article-hide-headers)))
4163 (defun gnus-output-to-file (file-name)
4164 "Append the current article to a file named FILE-NAME."
4165 (let ((artbuf (current-buffer)))
4167 (insert-buffer-substring artbuf)
4168 ;; Append newline at end of the buffer as separator, and then
4170 (goto-char (point-max))
4172 (let ((file-name-coding-system nnmail-pathname-coding-system))
4173 (mm-append-to-file (point-min) (point-max) file-name))
4176 (defun gnus-narrow-to-page (&optional arg)
4177 "Narrow the article buffer to a page.
4178 If given a numerical ARG, move forward ARG pages."
4180 (setq arg (if arg (prefix-numeric-value arg) 0))
4182 (set-buffer gnus-article-buffer)
4183 (goto-char (point-min))
4185 ;; Remove any old next/prev buttons.
4186 (when (gnus-visual-p 'page-marker)
4187 (let ((buffer-read-only nil))
4188 (gnus-remove-text-with-property 'gnus-prev)
4189 (gnus-remove-text-with-property 'gnus-next)))
4192 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
4194 (re-search-forward page-delimiter nil 'move arg)))
4195 (goto-char (match-end 0)))
4198 (if (re-search-forward page-delimiter nil 'move)
4201 (when (and (gnus-visual-p 'page-marker)
4202 (not (= (point-min) 1)))
4204 (goto-char (point-min))
4205 (gnus-insert-prev-page-button)))
4206 (when (and (gnus-visual-p 'page-marker)
4207 (< (+ (point-max) 2) (buffer-size)))
4209 (goto-char (point-max))
4210 (gnus-insert-next-page-button)))))
4212 ;; Article mode commands
4214 (defun gnus-article-goto-next-page ()
4215 "Show the next page of the article."
4217 (when (gnus-article-next-page)
4218 (goto-char (point-min))
4219 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
4221 (defun gnus-article-goto-prev-page ()
4222 "Show the next page of the article."
4224 (if (bobp) (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
4225 (gnus-article-prev-page nil)))
4227 (defun gnus-article-next-page (&optional lines)
4228 "Show the next page of the current article.
4229 If end of article, return non-nil. Otherwise return nil.
4230 Argument LINES specifies lines to be scrolled up."
4232 (move-to-window-line -1)
4235 (and (pos-visible-in-window-p) ;Not continuation line.
4237 ;; Nothing in this page.
4238 (if (or (not gnus-page-broken)
4241 (widen) (forward-line 1) (eobp)))) ;Real end-of-buffer?
4243 (gnus-narrow-to-page 1) ;Go to next page.
4245 ;; More in this page.
4246 (let ((scroll-in-place nil))
4250 ;; Long lines may cause an end-of-buffer error.
4251 (goto-char (point-max)))))
4252 (move-to-window-line 0)
4255 (defun gnus-article-prev-page (&optional lines)
4256 "Show previous page of current article.
4257 Argument LINES specifies lines to be scrolled down."
4259 (move-to-window-line 0)
4260 (if (and gnus-page-broken
4262 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
4264 (gnus-narrow-to-page -1) ;Go to previous page.
4265 (goto-char (point-max))
4267 (let ((scroll-in-place nil))
4271 (beginning-of-buffer
4272 (goto-char (point-min))))
4273 (move-to-window-line 0)))))
4275 (defun gnus-article-refer-article ()
4276 "Read article specified by message-id around point."
4278 (let ((point (point)))
4279 (search-forward ">" nil t) ;Move point to end of "<....>".
4280 (if (re-search-backward "\\(<[^<> \t\n]+>\\)" nil t)
4281 (let ((message-id (match-string 1)))
4283 (set-buffer gnus-summary-buffer)
4284 (gnus-summary-refer-article message-id))
4286 (error "No references around point"))))
4288 (defun gnus-article-show-summary ()
4289 "Reconfigure windows to show summary buffer."
4291 (if (not (gnus-buffer-live-p gnus-summary-buffer))
4292 (error "There is no summary buffer for this article buffer")
4293 (gnus-article-set-globals)
4294 (gnus-configure-windows 'article)
4295 (gnus-summary-goto-subject gnus-current-article)
4296 (gnus-summary-position-point)))
4298 (defun gnus-article-describe-briefly ()
4299 "Describe article mode commands briefly."
4301 (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")))
4303 (defun gnus-article-summary-command ()
4304 "Execute the last keystroke in the summary buffer."
4306 (let ((obuf (current-buffer))
4307 (owin (current-window-configuration))
4309 (switch-to-buffer gnus-article-current-summary 'norecord)
4310 (setq func (lookup-key (current-local-map) (this-command-keys)))
4311 (call-interactively func)
4313 (set-window-configuration owin)
4314 (set-window-point (get-buffer-window (current-buffer)) (point))))
4316 (defun gnus-article-summary-command-nosave ()
4317 "Execute the last keystroke in the summary buffer."
4320 (pop-to-buffer gnus-article-current-summary 'norecord)
4321 (setq func (lookup-key (current-local-map) (this-command-keys)))
4322 (call-interactively func)))
4324 (defun gnus-article-check-buffer ()
4325 "Beep if not in an article buffer."
4326 (unless (equal major-mode 'gnus-article-mode)
4327 (error "Command invoked outside of a Gnus article buffer")))
4329 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
4330 "Read a summary buffer key sequence and execute it from the article buffer."
4332 (gnus-article-check-buffer)
4334 '("q" "Q" "c" "r" "R" "\C-c\C-f" "m" "a" "f" "F"
4335 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
4336 "=" "^" "\M-^" "|"))
4342 '("n" "Gn" "p" "Gp"))
4345 (set-buffer gnus-article-current-summary)
4346 (let (gnus-pick-mode)
4347 (push (or key last-command-event) unread-command-events)
4348 (setq keys (if (featurep 'xemacs)
4349 (events-to-keys (read-key-sequence nil))
4350 (read-key-sequence nil)))))
4354 (if (or (member keys nosaves)
4355 (member keys nosave-but-article)
4356 (member keys nosave-in-article))
4358 (save-window-excursion
4359 (pop-to-buffer gnus-article-current-summary 'norecord)
4360 ;; We disable the pick minor mode commands.
4361 (let (gnus-pick-mode)
4362 (setq func (lookup-key (current-local-map) keys))))
4366 (unless (member keys nosave-in-article)
4367 (set-buffer gnus-article-current-summary))
4368 (call-interactively func)
4369 (setq new-sum-point (point)))
4370 (when (member keys nosave-but-article)
4371 (pop-to-buffer gnus-article-buffer 'norecord)))
4372 ;; These commands should restore window configuration.
4373 (let ((obuf (current-buffer))
4374 (owin (current-window-configuration))
4376 (summary gnus-article-current-summary)
4377 func in-buffer selected)
4378 (if not-restore-window
4379 (pop-to-buffer summary 'norecord)
4380 (switch-to-buffer summary 'norecord))
4381 (setq in-buffer (current-buffer))
4382 ;; We disable the pick minor mode commands.
4383 (if (and (setq func (let (gnus-pick-mode)
4384 (lookup-key (current-local-map) keys)))
4387 (call-interactively func)
4388 (setq new-sum-point (point))
4389 (when (eq in-buffer (current-buffer))
4390 (setq selected (gnus-summary-select-article))
4392 (unless not-restore-window
4393 (set-window-configuration owin))
4394 (when (eq selected 'old)
4396 (set-window-start (get-buffer-window (current-buffer))
4398 (set-window-point (get-buffer-window (current-buffer))
4400 (let ((win (get-buffer-window gnus-article-current-summary)))
4402 (set-window-point win new-sum-point)))) )
4403 (switch-to-buffer gnus-article-buffer)
4406 (defun gnus-article-describe-key (key)
4407 "Display documentation of the function invoked by KEY. KEY is a string."
4408 (interactive "kDescribe key: ")
4409 (gnus-article-check-buffer)
4410 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
4412 (set-buffer gnus-article-current-summary)
4413 (let (gnus-pick-mode)
4414 (if (featurep 'xemacs)
4416 (push (elt key 0) unread-command-events)
4417 (setq key (events-to-keys
4418 (read-key-sequence "Describe key: "))))
4419 (setq unread-command-events
4421 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
4422 (string-to-list key)))
4423 (setq key (read-key-sequence "Describe key: "))))
4425 (describe-key key)))
4427 (defun gnus-article-describe-key-briefly (key &optional insert)
4428 "Display documentation of the function invoked by KEY. KEY is a string."
4429 (interactive "kDescribe key: \nP")
4430 (gnus-article-check-buffer)
4431 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
4433 (set-buffer gnus-article-current-summary)
4434 (let (gnus-pick-mode)
4435 (if (featurep 'xemacs)
4437 (push (elt key 0) unread-command-events)
4438 (setq key (events-to-keys
4439 (read-key-sequence "Describe key: "))))
4440 (setq unread-command-events
4442 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
4443 (string-to-list key)))
4444 (setq key (read-key-sequence "Describe key: "))))
4445 (describe-key-briefly key insert))
4446 (describe-key-briefly key insert)))
4448 (defun gnus-article-hide (&optional arg force)
4449 "Hide all the gruft in the current article.
4450 This means that PGP stuff, signatures, cited text and (some)
4451 headers will be hidden.
4452 If given a prefix, show the hidden text instead."
4453 (interactive (append (gnus-article-hidden-arg) (list 'force)))
4454 (gnus-article-hide-headers arg)
4455 (gnus-article-hide-list-identifiers arg)
4456 (gnus-article-hide-pgp arg)
4457 (gnus-article-hide-citation-maybe arg force)
4458 (gnus-article-hide-signature arg))
4460 (defun gnus-article-maybe-highlight ()
4461 "Do some article highlighting if article highlighting is requested."
4462 (when (gnus-visual-p 'article-highlight 'highlight)
4463 (gnus-article-highlight-some)))
4465 (defun gnus-check-group-server ()
4466 ;; Make sure the connection to the server is alive.
4467 (unless (gnus-server-opened
4468 (gnus-find-method-for-group gnus-newsgroup-name))
4469 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
4470 (gnus-request-group gnus-newsgroup-name t)))
4472 (defun gnus-request-article-this-buffer (article group)
4473 "Get an article and insert it into this buffer."
4474 (let (do-update-line sparse-header)
4478 (gnus-kill-all-overlays)
4479 (setq group (or group gnus-newsgroup-name))
4481 ;; Using `gnus-request-article' directly will insert the article into
4482 ;; `nntp-server-buffer' - so we'll save some time by not having to
4483 ;; copy it from the server buffer into the article buffer.
4485 ;; We only request an article by message-id when we do not have the
4486 ;; headers for it, so we'll have to get those.
4487 (when (stringp article)
4488 (gnus-read-header article))
4490 ;; If the article number is negative, that means that this article
4491 ;; doesn't belong in this newsgroup (possibly), so we find its
4492 ;; message-id and request it by id instead of number.
4493 (when (and (numberp article)
4495 (get-buffer gnus-summary-buffer)
4496 (gnus-buffer-exists-p gnus-summary-buffer))
4498 (set-buffer gnus-summary-buffer)
4499 (let ((header (gnus-summary-article-header article)))
4502 ((memq article gnus-newsgroup-sparse)
4503 ;; This is a sparse gap article.
4504 (setq do-update-line article)
4505 (setq article (mail-header-id header))
4506 (setq sparse-header (gnus-read-header article))
4507 (setq gnus-newsgroup-sparse
4508 (delq article gnus-newsgroup-sparse)))
4510 ;; It's a real article.
4511 (setq article (mail-header-id header)))
4513 ;; It is an extracted pseudo-article.
4514 (setq article 'pseudo)
4515 (gnus-request-pseudo-article header))))
4517 (let ((method (gnus-find-method-for-group
4518 gnus-newsgroup-name)))
4519 (when (and (eq (car method) 'nneething)
4521 (let ((dir (expand-file-name
4522 (mail-header-subject header)
4523 (file-name-as-directory
4524 (or (cadr (assq 'nneething-address method))
4526 (when (file-directory-p dir)
4527 (setq article 'nneething)
4528 (gnus-group-enter-directory dir))))))))
4531 ;; Refuse to select canceled articles.
4532 ((and (numberp article)
4534 (get-buffer gnus-summary-buffer)
4535 (gnus-buffer-exists-p gnus-summary-buffer)
4536 (eq (cdr (save-excursion
4537 (set-buffer gnus-summary-buffer)
4538 (assq article gnus-newsgroup-reads)))
4539 gnus-canceled-mark))
4541 ;; We first check `gnus-original-article-buffer'.
4542 ((and (get-buffer gnus-original-article-buffer)
4545 (set-buffer gnus-original-article-buffer)
4546 (and (equal (car gnus-original-article) group)
4547 (eq (cdr gnus-original-article) article))))
4548 (insert-buffer-substring gnus-original-article-buffer)
4550 ;; Check the backlog.
4551 ((and gnus-keep-backlog
4552 (gnus-backlog-request-article group article (current-buffer)))
4554 ;; Check asynchronous pre-fetch.
4555 ((gnus-async-request-fetched-article group article (current-buffer))
4556 (gnus-async-prefetch-next group article gnus-summary-buffer)
4557 (when (and (numberp article) gnus-keep-backlog)
4558 (gnus-backlog-enter-article group article (current-buffer)))
4561 ((and gnus-use-cache
4563 (gnus-cache-request-article article group))
4565 ;; Get the article and put into the article buffer.
4566 ((or (stringp article)
4568 (let ((gnus-override-method gnus-override-method)
4569 (methods (and (stringp article)
4570 gnus-refer-article-method))
4572 (buffer-read-only nil))
4573 (if (or (not (listp methods))
4574 (and (symbolp (car methods))
4575 (assq (car methods) nnoo-definition-alist)))
4576 (setq methods (list methods)))
4577 (when (and (null gnus-override-method)
4579 (setq gnus-override-method (pop methods)))
4581 (when (eq gnus-override-method 'current)
4582 (setq gnus-override-method
4583 (with-current-buffer gnus-summary-buffer
4584 gnus-current-select-method)))
4586 (gnus-kill-all-overlays)
4587 (let ((gnus-newsgroup-name group))
4588 (gnus-check-group-server))
4589 (when (gnus-request-article article group (current-buffer))
4590 (when (numberp article)
4591 (gnus-async-prefetch-next group article
4592 gnus-summary-buffer)
4593 (when gnus-keep-backlog
4594 (gnus-backlog-enter-article
4595 group article (current-buffer))))
4596 (setq result 'article))
4599 (setq gnus-override-method (pop methods))
4600 (setq result 'done))))
4601 (and (eq result 'article) 'article)))
4605 ;; Associate this article with the current summary buffer.
4606 (setq gnus-article-current-summary gnus-summary-buffer)
4608 ;; Take the article from the original article buffer
4609 ;; and place it in the buffer it's supposed to be in.
4610 (when (and (get-buffer gnus-article-buffer)
4611 (equal (buffer-name (current-buffer))
4612 (buffer-name (get-buffer gnus-article-buffer))))
4614 (if (get-buffer gnus-original-article-buffer)
4615 (set-buffer gnus-original-article-buffer)
4616 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
4617 (buffer-disable-undo)
4618 (setq major-mode 'gnus-original-article-mode)
4619 (setq buffer-read-only t))
4620 (let (buffer-read-only)
4622 (insert-buffer-substring gnus-article-buffer))
4623 (setq gnus-original-article (cons group article)))
4626 (run-hooks 'gnus-article-decode-hook)
4627 ;; Mark article as decoded or not.
4628 (setq gnus-article-decoded-p gnus-article-decode-hook))
4630 ;; Update sparse articles.
4631 (when (and do-update-line
4632 (or (numberp article)
4634 (let ((buf (current-buffer)))
4635 (set-buffer gnus-summary-buffer)
4636 (gnus-summary-update-article do-update-line sparse-header)
4637 (gnus-summary-goto-subject do-update-line nil t)
4638 (set-window-point (get-buffer-window (current-buffer) t)
4640 (set-buffer buf))))))
4646 (defcustom gnus-article-edit-mode-hook nil
4647 "Hook run in article edit mode buffers."
4648 :group 'gnus-article-various
4651 (defvar gnus-article-edit-done-function nil)
4653 (defvar gnus-article-edit-mode-map nil)
4655 ;; Should we be using derived.el for this?
4656 (unless gnus-article-edit-mode-map
4657 (setq gnus-article-edit-mode-map (make-sparse-keymap))
4658 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
4660 (gnus-define-keys gnus-article-edit-mode-map
4661 "\C-c\C-c" gnus-article-edit-done
4662 "\C-c\C-k" gnus-article-edit-exit)
4664 (gnus-define-keys (gnus-article-edit-wash-map
4665 "\C-c\C-w" gnus-article-edit-mode-map)
4666 "f" gnus-article-edit-full-stops))
4668 (define-derived-mode gnus-article-edit-mode text-mode "Article Edit"
4669 "Major mode for editing articles.
4670 This is an extended text-mode.
4672 \\{gnus-article-edit-mode-map}"
4673 (make-local-variable 'gnus-article-edit-done-function)
4674 (make-local-variable 'gnus-prev-winconf)
4675 (set (make-local-variable 'font-lock-defaults)
4676 '(message-font-lock-keywords t))
4677 (setq buffer-read-only nil)
4678 (buffer-enable-undo)
4681 (defun gnus-article-edit (&optional force)
4682 "Edit the current article.
4683 This will have permanent effect only in mail groups.
4684 If FORCE is non-nil, allow editing of articles even in read-only
4687 (when (and (not force)
4688 (gnus-group-read-only-p))
4689 (error "The current newsgroup does not support article editing"))
4690 (gnus-article-date-original)
4691 (gnus-article-edit-article
4693 `(lambda (no-highlight)
4695 (gnus-summary-edit-article-done
4696 ,(or (mail-header-references gnus-current-headers) "")
4697 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
4699 (defun gnus-article-edit-article (start-func exit-func)
4700 "Start editing the contents of the current article buffer."
4701 (let ((winconf (current-window-configuration)))
4702 (set-buffer gnus-article-buffer)
4703 (gnus-article-edit-mode)
4704 (funcall start-func)
4705 (set-buffer-modified-p nil)
4706 (gnus-configure-windows 'edit-article)
4707 (setq gnus-article-edit-done-function exit-func)
4708 (setq gnus-prev-winconf winconf)
4709 (gnus-message 6 "C-c C-c to end edits")))
4711 (defun gnus-article-edit-done (&optional arg)
4712 "Update the article edits and exit."
4714 (let ((func gnus-article-edit-done-function)
4715 (buf (current-buffer))
4716 (start (window-start)))
4717 ;; We remove all text props from the article buffer.
4719 (buffer-substring-no-properties (point-min) (point-max)))
4723 (let ((winconf gnus-prev-winconf))
4725 (set-window-configuration winconf)
4726 ;; Tippy-toe some to make sure that point remains where it was.
4727 (save-current-buffer
4729 (set-window-start (get-buffer-window (current-buffer)) start)
4733 (let ((buffer-read-only nil))
4735 ;; The cache and backlog have to be flushed somewhat.
4736 (when gnus-keep-backlog
4737 (gnus-backlog-remove-article
4738 (car gnus-article-current) (cdr gnus-article-current)))
4739 ;; Flush original article as well.
4741 (when (get-buffer gnus-original-article-buffer)
4742 (set-buffer gnus-original-article-buffer)
4743 (setq gnus-original-article nil)))
4744 (when gnus-use-cache
4745 (gnus-cache-update-article
4746 (car gnus-article-current) (cdr gnus-article-current))))
4748 (set-window-start (get-buffer-window buf) start)
4749 (set-window-point (get-buffer-window buf) (point))))
4751 (defun gnus-article-edit-exit ()
4752 "Exit the article editing without updating."
4754 (when (or (not (buffer-modified-p))
4755 (yes-or-no-p "Article modified; kill anyway? "))
4756 (let ((curbuf (current-buffer))
4758 (window-start (window-start)))
4760 (if (gnus-buffer-live-p gnus-original-article-buffer)
4761 (insert-buffer gnus-original-article-buffer))
4762 (let ((winconf gnus-prev-winconf))
4764 (set-window-configuration winconf)
4765 ;; Tippy-toe some to make sure that point remains where it was.
4766 (save-current-buffer
4768 (set-window-start (get-buffer-window (current-buffer)) window-start)
4771 (defun gnus-article-edit-full-stops ()
4772 "Interactively repair spacing at end of sentences."
4775 (goto-char (point-min))
4776 (search-forward-regexp "^$" nil t)
4777 (let ((case-fold-search nil))
4778 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
4781 ;;; Article highlights
4784 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
4786 ;;; Internal Variables:
4788 (defcustom gnus-button-url-regexp "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-zA-Z0-9_.]+:[0-9]*\\)?\\([-a-zA-Z0-9_=!?#$@~`%&*+|\\/:;.,]\\|\\w\\)+\\([-a-zA-Z0-9_=#$@~`%&*+|\\/]\\|\\w\\)\\)"
4789 "Regular expression that matches URLs."
4790 :group 'gnus-article-buttons
4793 (defcustom gnus-button-alist
4794 `(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
4795 0 t gnus-button-handle-news 3)
4796 ("\\b\\(nntp\\|news\\):\\([^>\n\t ]*@[^>)!;:,\n\t ]*\\)" 0 t
4797 gnus-button-handle-news 2)
4798 ("\\(\\b<\\(url:[>\n\t ]*\\)?news:[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
4800 gnus-button-fetch-group 4)
4801 ("\\bnews:\\(//\\)?\\([^'\">\n\t ]+\\)" 0 t gnus-button-fetch-group 2)
4802 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)" 2
4803 t gnus-button-message-id 3)
4804 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>" 0 t gnus-url-mailto 2)
4805 ("mailto:\\([-a-zA-Z.@_+0-9%=?]+\\)" 0 t gnus-url-mailto 1)
4806 ("\\bmailto:\\([^ \n\t]+\\)" 0 t gnus-url-mailto 1)
4808 ("\\binfo:\\(//\\)?\\([^'\">\n\t ]+\\)" 0 t
4809 gnus-button-handle-info 2)
4810 ;; This is how URLs _should_ be embedded in text...
4811 ("<URL: *\\([^<>]*\\)>" 0 t gnus-button-embedded-url 1)
4813 (,gnus-button-url-regexp 0 t browse-url 0))
4814 "*Alist of regexps matching buttons in article bodies.
4816 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
4817 REGEXP: is the string matching text around the button,
4818 BUTTON: is the number of the regexp grouping actually matching the button,
4819 FORM: is a lisp expression which must eval to true for the button to
4821 CALLBACK: is the function to call when the user push this button, and each
4822 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
4824 CALLBACK can also be a variable, in that case the value of that
4825 variable it the real callback function."
4826 :group 'gnus-article-buttons
4827 :type '(repeat (list regexp
4828 (integer :tag "Button")
4830 (function :tag "Callback")
4833 (integer :tag "Regexp group")))))
4835 (defcustom gnus-header-button-alist
4836 `(("^\\(References\\|Message-I[Dd]\\):" "<[^<>]+>"
4837 0 t gnus-button-message-id 0)
4838 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$" 1 t gnus-button-reply 1)
4839 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
4840 0 t gnus-button-mailto 0)
4841 ("^X-[Uu][Rr][Ll]:" ,gnus-button-url-regexp 0 t browse-url 0)
4842 ("^Subject:" ,gnus-button-url-regexp 0 t browse-url 0)
4843 ("^[^:]+:" ,gnus-button-url-regexp 0 t browse-url 0)
4844 ("^[^:]+:" "\\(<\\(url: \\)?news:\\([^>\n ]*\\)>\\)" 1 t
4845 gnus-button-message-id 3))
4846 "*Alist of headers and regexps to match buttons in article heads.
4848 This alist is very similar to `gnus-button-alist', except that each
4849 alist has an additional HEADER element first in each entry:
4851 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
4853 HEADER is a regexp to match a header. For a fuller explanation, see
4854 `gnus-button-alist'."
4855 :group 'gnus-article-buttons
4856 :group 'gnus-article-headers
4857 :type '(repeat (list (regexp :tag "Header")
4859 (integer :tag "Button")
4861 (function :tag "Callback")
4864 (integer :tag "Regexp group")))))
4866 (defvar gnus-button-regexp nil)
4867 (defvar gnus-button-marker-list nil)
4868 ;; Regexp matching any of the regexps from `gnus-button-alist'.
4870 (defvar gnus-button-last nil)
4871 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
4875 (defun gnus-article-push-button (event)
4876 "Check text under the mouse pointer for a callback function.
4877 If the text under the mouse pointer has a `gnus-callback' property,
4878 call it with the value of the `gnus-data' text property."
4880 (set-buffer (window-buffer (posn-window (event-start event))))
4881 (let* ((pos (posn-point (event-start event)))
4882 (data (get-text-property pos 'gnus-data))
4883 (fun (get-text-property pos 'gnus-callback)))
4886 (funcall fun data))))
4888 (defun gnus-article-press-button ()
4889 "Check text at point for a callback function.
4890 If the text at point has a `gnus-callback' property,
4891 call it with the value of the `gnus-data' text property."
4893 (let* ((data (get-text-property (point) 'gnus-data))
4894 (fun (get-text-property (point) 'gnus-callback)))
4896 (funcall fun data))))
4898 (defun gnus-article-highlight (&optional force)
4899 "Highlight current article.
4900 This function calls `gnus-article-highlight-headers',
4901 `gnus-article-highlight-citation',
4902 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
4903 do the highlighting. See the documentation for those functions."
4904 (interactive (list 'force))
4905 (gnus-article-highlight-headers)
4906 (gnus-article-highlight-citation force)
4907 (gnus-article-highlight-signature)
4908 (gnus-article-add-buttons force)
4909 (gnus-article-add-buttons-to-head))
4911 (defun gnus-article-highlight-some (&optional force)
4912 "Highlight current article.
4913 This function calls `gnus-article-highlight-headers',
4914 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
4915 do the highlighting. See the documentation for those functions."
4916 (interactive (list 'force))
4917 (gnus-article-highlight-headers)
4918 (gnus-article-highlight-signature)
4919 (gnus-article-add-buttons))
4921 (defun gnus-article-highlight-headers ()
4922 "Highlight article headers as specified by `gnus-header-face-alist'."
4925 (set-buffer gnus-article-buffer)
4927 (let ((alist gnus-header-face-alist)
4928 (buffer-read-only nil)
4929 (case-fold-search t)
4930 (inhibit-point-motion-hooks t)
4931 entry regexp header-face field-face from hpoints fpoints)
4932 (article-narrow-to-head)
4933 (while (setq entry (pop alist))
4934 (goto-char (point-min))
4935 (setq regexp (concat "^\\("
4936 (if (string-equal "" (nth 0 entry))
4940 header-face (nth 1 entry)
4941 field-face (nth 2 entry))
4942 (while (and (re-search-forward regexp nil t)
4946 (unless (search-forward ":" nil t)
4948 (when (and header-face
4949 (not (memq (point) hpoints)))
4950 (push (point) hpoints)
4951 (gnus-put-text-property from (point) 'face header-face))
4952 (when (and field-face
4953 (not (memq (setq from (point)) fpoints)))
4955 (if (re-search-forward "^[^ \t]" nil t)
4957 (goto-char (point-max)))
4958 (gnus-put-text-property from (point) 'face field-face))))))))
4960 (defun gnus-article-highlight-signature ()
4961 "Highlight the signature in an article.
4962 It does this by highlighting everything after
4963 `gnus-signature-separator' using `gnus-signature-face'."
4966 (set-buffer gnus-article-buffer)
4967 (let ((buffer-read-only nil)
4968 (inhibit-point-motion-hooks t))
4970 (when (and gnus-signature-face
4971 (gnus-article-narrow-to-signature))
4972 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
4973 'face gnus-signature-face)
4975 (gnus-article-search-signature)
4976 (let ((start (match-beginning 0))
4977 (end (set-marker (make-marker) (1+ (match-end 0)))))
4978 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
4981 (defun gnus-button-in-region-p (b e prop)
4982 "Say whether PROP exists in the region."
4983 (text-property-not-all b e prop nil))
4985 (defun gnus-article-add-buttons (&optional force)
4986 "Find external references in the article and make buttons of them.
4987 \"External references\" are things like Message-IDs and URLs, as
4988 specified by `gnus-button-alist'."
4989 (interactive (list 'force))
4991 (set-buffer gnus-article-buffer)
4992 (let ((buffer-read-only nil)
4993 (inhibit-point-motion-hooks t)
4994 (case-fold-search t)
4995 (alist gnus-button-alist)
4997 ;; Remove all old markers.
4998 (let (marker entry new-list)
4999 (while (setq marker (pop gnus-button-marker-list))
5000 (if (or (< marker (point-min)) (>= marker (point-max)))
5001 (push marker new-list)
5003 (when (setq entry (gnus-button-entry))
5004 (put-text-property (match-beginning (nth 1 entry))
5005 (match-end (nth 1 entry))
5006 'gnus-callback nil))
5007 (set-marker marker nil)))
5008 (setq gnus-button-marker-list new-list))
5009 ;; We skip the headers.
5012 (while (setq entry (pop alist))
5013 (setq regexp (car entry))
5015 (while (re-search-forward regexp nil t)
5016 (let* ((start (and entry (match-beginning (nth 1 entry))))
5017 (end (and entry (match-end (nth 1 entry))))
5018 (from (match-beginning 0)))
5019 (when (and (or (eq t (nth 2 entry))
5020 (eval (nth 2 entry)))
5021 (not (gnus-button-in-region-p
5022 start end 'gnus-callback)))
5023 ;; That optional form returned non-nil, so we add the
5025 (gnus-article-add-button
5026 start end 'gnus-button-push
5027 (car (push (set-marker (make-marker) from)
5028 gnus-button-marker-list))))))))))
5030 ;; Add buttons to the head of an article.
5031 (defun gnus-article-add-buttons-to-head ()
5032 "Add buttons to the head of the article."
5035 (set-buffer gnus-article-buffer)
5037 (let ((buffer-read-only nil)
5038 (inhibit-point-motion-hooks t)
5039 (case-fold-search t)
5040 (alist gnus-header-button-alist)
5042 (article-narrow-to-head)
5044 ;; Each alist entry.
5045 (setq entry (car alist)
5047 (goto-char (point-min))
5048 (while (re-search-forward (car entry) nil t)
5049 ;; Each header matching the entry.
5050 (setq beg (match-beginning 0))
5051 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
5052 (match-beginning 0))
5055 (while (re-search-forward (nth 1 entry) end t)
5056 ;; Each match within a header.
5057 (let* ((entry (cdr entry))
5058 (start (match-beginning (nth 1 entry)))
5059 (end (match-end (nth 1 entry)))
5060 (form (nth 2 entry)))
5061 (goto-char (match-end 0))
5063 (gnus-article-add-button
5064 start end (nth 3 entry)
5065 (buffer-substring (match-beginning (nth 4 entry))
5066 (match-end (nth 4 entry)))))))
5067 (goto-char end)))))))
5069 ;;; External functions:
5071 (defun gnus-article-add-button (from to fun &optional data)
5072 "Create a button between FROM and TO with callback FUN and data DATA."
5073 (when gnus-article-button-face
5074 (gnus-overlay-put (gnus-make-overlay from to)
5075 'face gnus-article-button-face))
5076 (gnus-add-text-properties
5078 (nconc (and gnus-article-mouse-face
5079 (list gnus-mouse-face-prop gnus-article-mouse-face))
5080 (list 'gnus-callback fun)
5081 (and data (list 'gnus-data data))))
5082 (widget-convert-button 'link from to :action 'gnus-widget-press-button
5083 :button-keymap gnus-widget-button-keymap))
5085 ;;; Internal functions:
5087 (defun gnus-article-set-globals ()
5089 (set-buffer gnus-summary-buffer)
5090 (gnus-set-global-variables)))
5092 (defun gnus-signature-toggle (end)
5094 (set-buffer gnus-article-buffer)
5095 (let ((buffer-read-only nil)
5096 (inhibit-point-motion-hooks t))
5097 (if (text-property-any end (point-max) 'article-type 'signature)
5099 (setq gnus-article-wash-types
5100 (delq 'signature gnus-article-wash-types))
5101 (gnus-remove-text-properties-when
5102 'article-type 'signature end (point-max)
5103 (cons 'article-type (cons 'signature
5104 gnus-hidden-properties))))
5105 (or (memq 'signature gnus-article-wash-types)
5106 (push 'signature gnus-article-wash-types))
5107 (gnus-add-text-properties-when
5108 'article-type nil end (point-max)
5109 (cons 'article-type (cons 'signature
5110 gnus-hidden-properties)))))
5111 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
5112 (gnus-set-mode-line 'article))))
5114 (defun gnus-button-entry ()
5115 ;; Return the first entry in `gnus-button-alist' matching this place.
5116 (let ((alist gnus-button-alist)
5119 (setq entry (pop alist))
5120 (if (looking-at (car entry))
5125 (defun gnus-button-push (marker)
5126 ;; Push button starting at MARKER.
5129 (let* ((entry (gnus-button-entry))
5130 (inhibit-point-motion-hooks t)
5132 (args (mapcar (lambda (group)
5133 (let ((string (match-string group)))
5134 (gnus-set-text-properties
5135 0 (length string) nil string)
5142 (fboundp (symbol-value fun)))
5143 (apply (symbol-value fun) args))
5145 (gnus-message 1 "You must define `%S' to use this button"
5146 (cons fun args)))))))
5148 (defun gnus-parse-news-url (url)
5149 (let (scheme server group message-id articles)
5152 (goto-char (point-min))
5153 (when (looking-at "\\([A-Za-z]+\\):")
5154 (setq scheme (match-string 1))
5155 (goto-char (match-end 0)))
5156 (when (looking-at "//\\([^/]+\\)/")
5157 (setq server (match-string 1))
5158 (goto-char (match-end 0)))
5161 ((looking-at "\\(.*@.*\\)")
5162 (setq message-id (match-string 1)))
5163 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
5164 (setq group (match-string 1)
5165 articles (split-string (match-string 2) "-")))
5166 ((looking-at "\\([^/]+\\)/?")
5167 (setq group (match-string 1)))
5169 (error "Unknown news URL syntax"))))
5170 (list scheme server group message-id articles)))
5172 (defun gnus-button-handle-news (url)
5174 (destructuring-bind (scheme server group message-id articles)
5175 (gnus-parse-news-url url)
5179 (set-buffer gnus-summary-buffer)
5181 (let ((gnus-refer-article-method (list (list 'nntp server))))
5182 (gnus-summary-refer-article message-id))
5183 (gnus-summary-refer-article message-id))))
5185 (gnus-button-fetch-group url)))))
5187 (defun gnus-button-handle-info (url)
5188 "Fetch an info URL."
5190 "^\\([^:/]+\\)?/\\(.*\\)"
5192 (gnus-info-find-node
5193 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
5196 (gnus-url-unhex-string (match-string 2 url))))
5197 (error "Can't parse %s" url)))
5199 (defun gnus-button-message-id (message-id)
5202 (set-buffer gnus-summary-buffer)
5203 (gnus-summary-refer-article message-id)))
5205 (defun gnus-button-fetch-group (address)
5206 "Fetch GROUP specified by ADDRESS."
5207 (if (not (string-match "[:/]" address))
5208 ;; This is just a simple group url.
5209 (gnus-group-read-ephemeral-group address gnus-select-method)
5212 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
5214 (error "Can't parse %s" address)
5215 (gnus-group-read-ephemeral-group
5216 (match-string 4 address)
5217 `(nntp ,(match-string 1 address)
5218 (nntp-address ,(match-string 1 address))
5219 (nntp-port-number ,(if (match-end 3)
5220 (match-string 3 address)
5223 (and (match-end 6) (list (string-to-int (match-string 6 address))))))))
5225 (defun gnus-url-parse-query-string (query &optional downcase)
5226 (let (retval pairs cur key val)
5227 (setq pairs (split-string query "&"))
5229 (setq cur (car pairs)
5231 (if (not (string-match "=" cur))
5233 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
5234 val (gnus-url-unhex-string (substring cur (match-end 0) nil)))
5236 (setq key (downcase key)))
5237 (setq cur (assoc key retval))
5239 (setcdr cur (cons val (cdr cur)))
5240 (setq retval (cons (list key val) retval)))))
5243 (defun gnus-url-unhex (x)
5250 (defun gnus-url-unhex-string (str &optional allow-newlines)
5251 "Remove %XXX embedded spaces, etc in a url.
5252 If optional second argument ALLOW-NEWLINES is non-nil, then allow the
5253 decoding of carriage returns and line feeds in the string, which is normally
5254 forbidden in URL encoding."
5255 (setq str (or (mm-subst-char-in-string ?+ ? str) ""))
5257 (case-fold-search t))
5258 (while (string-match "%[0-9a-f][0-9a-f]" str)
5259 (let* ((start (match-beginning 0))
5260 (ch1 (gnus-url-unhex (elt str (+ start 1))))
5262 (gnus-url-unhex (elt str (+ start 2))))))
5264 tmp (substring str 0 start)
5267 (char-to-string code))
5268 ((or (= code ?\n) (= code ?\r))
5270 (t (char-to-string code))))
5271 str (substring str (match-end 0)))))
5272 (setq tmp (concat tmp str))
5275 (defun gnus-url-mailto (url)
5276 ;; Send mail to someone
5277 (when (string-match "mailto:/*\\(.*\\)" url)
5278 (setq url (substring url (match-beginning 1) nil)))
5279 (let (to args subject func)
5280 (if (string-match (regexp-quote "?") url)
5281 (setq to (gnus-url-unhex-string (substring url 0 (match-beginning 0)))
5282 args (gnus-url-parse-query-string
5283 (substring url (match-end 0) nil) t))
5284 (setq to (gnus-url-unhex-string url)))
5285 (setq args (cons (list "to" to) args)
5286 subject (cdr-safe (assoc "subject" args)))
5289 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
5292 (message-position-on-field (caar args)))
5293 (insert (mapconcat 'identity (cdar args) ", "))
5294 (setq args (cdr args)))
5297 (message-goto-subject))))
5299 (defun gnus-button-embedded-url (address)
5300 "Activate ADDRESS with `browse-url'."
5301 (browse-url (gnus-strip-whitespace address)))
5303 ;;; Next/prev buttons in the article buffer.
5305 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
5306 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
5308 (defvar gnus-prev-page-map nil)
5309 (unless gnus-prev-page-map
5310 (setq gnus-prev-page-map (make-sparse-keymap))
5311 (define-key gnus-prev-page-map gnus-mouse-2 'gnus-button-prev-page)
5312 (define-key gnus-prev-page-map "\r" 'gnus-button-prev-page))
5314 (defun gnus-insert-prev-page-button ()
5315 (let ((buffer-read-only nil))
5317 gnus-prev-page-line-format nil
5318 `(gnus-prev t local-map ,gnus-prev-page-map
5319 gnus-callback gnus-article-button-prev-page
5320 article-type annotation))))
5322 (defvar gnus-next-page-map nil)
5323 (unless gnus-next-page-map
5324 (setq gnus-next-page-map (make-keymap))
5325 (suppress-keymap gnus-prev-page-map)
5326 (define-key gnus-next-page-map gnus-mouse-2 'gnus-button-next-page)
5327 (define-key gnus-next-page-map "\r" 'gnus-button-next-page))
5329 (defun gnus-button-next-page ()
5330 "Go to the next page."
5332 (let ((win (selected-window)))
5333 (select-window (get-buffer-window gnus-article-buffer t))
5334 (gnus-article-next-page)
5335 (select-window win)))
5337 (defun gnus-button-prev-page ()
5338 "Go to the prev page."
5340 (let ((win (selected-window)))
5341 (select-window (get-buffer-window gnus-article-buffer t))
5342 (gnus-article-prev-page)
5343 (select-window win)))
5345 (defun gnus-insert-next-page-button ()
5346 (let ((buffer-read-only nil))
5347 (gnus-eval-format gnus-next-page-line-format nil
5349 t local-map ,gnus-next-page-map
5350 gnus-callback gnus-article-button-next-page
5351 article-type annotation))))
5353 (defun gnus-article-button-next-page (arg)
5354 "Go to the next page."
5356 (let ((win (selected-window)))
5357 (select-window (get-buffer-window gnus-article-buffer t))
5358 (gnus-article-next-page)
5359 (select-window win)))
5361 (defun gnus-article-button-prev-page (arg)
5362 "Go to the prev page."
5364 (let ((win (selected-window)))
5365 (select-window (get-buffer-window gnus-article-buffer t))
5366 (gnus-article-prev-page)
5367 (select-window win)))
5369 (defvar gnus-decode-header-methods
5370 '(mail-decode-encoded-word-region)
5371 "List of methods used to decode headers.
5373 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
5374 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
5375 (REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
5376 whose names match REGEXP.
5379 ((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
5380 mail-decode-encoded-word-region
5381 (\"chinese\" . rfc1843-decode-region))
5384 (defvar gnus-decode-header-methods-cache nil)
5386 (defun gnus-multi-decode-header (start end)
5387 "Apply the functions from `gnus-encoded-word-methods' that match."
5388 (unless (and gnus-decode-header-methods-cache
5389 (eq gnus-newsgroup-name
5390 (car gnus-decode-header-methods-cache)))
5391 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
5394 (nconc gnus-decode-header-methods-cache (list x))
5395 (if (and gnus-newsgroup-name
5396 (string-match (car x) gnus-newsgroup-name))
5397 (nconc gnus-decode-header-methods-cache
5399 gnus-decode-header-methods))
5400 (let ((xlist gnus-decode-header-methods-cache))
5403 (narrow-to-region start end)
5405 (funcall (pop xlist) (point-min) (point-max))))))
5408 ;;; Treatment top-level handling.
5411 (defun gnus-treat-article (condition &optional part-number total-parts type)
5412 (let ((length (- (point-max) (point-min)))
5413 (alist gnus-treatment-function-alist)
5414 (article-goto-body-goes-to-point-min-p t)
5418 (let ((list gnus-article-treat-types))
5420 (when (string-match (pop list) type)
5421 (throw 'found t)))))))
5422 (highlightp (gnus-visual-p 'article-highlight 'highlight))
5424 (gnus-run-hooks 'gnus-part-display-hook)
5425 (while (setq elem (pop alist))
5428 (if (gnus-buffer-live-p gnus-summary-buffer)
5429 (set-buffer gnus-summary-buffer))
5430 (symbol-value (car elem))))
5431 (when (and (or (consp val)
5433 (gnus-treat-predicate val)
5434 (or (not (get (car elem) 'highlight))
5437 (funcall (cadr elem)))))))
5439 ;; Dynamic variables.
5441 (defvar part-number)
5442 (defvar total-parts)
5447 (defun gnus-treat-predicate (val)
5452 (stringp (car val)))
5453 (apply 'gnus-or (mapcar `(lambda (s)
5454 (string-match s ,(or gnus-newsgroup-name "")))
5457 (let ((pred (pop val)))
5460 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
5462 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
5464 (not (gnus-treat-predicate (car val))))
5466 (equal (car val) type))
5468 (error "%S is not a valid predicate" pred)))))
5476 (eq part-number total-parts))
5480 (error "%S is not a valid value" val))))
5482 (defun gnus-article-encrypt-body (protocol &optional n)
5483 "Encrypt the article body."
5486 (or gnus-article-encrypt-protocol
5487 (completing-read "Encrypt protocol: "
5488 gnus-article-encrypt-protocol-alist
5490 current-prefix-arg))
5491 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
5493 (error (format "Can't find the encrypt protocol %s" protocol)))
5494 (if (equal gnus-newsgroup-name "nndraft:drafts")
5495 (error "Can't encrypt the article in group nndraft:drafts"))
5496 (if (equal gnus-newsgroup-name "nndraft:queue")
5497 (error "Don't encrypt the article in group nndraft:queue"))
5498 (gnus-summary-iterate n
5500 (set-buffer gnus-summary-buffer)
5501 (let ((mail-parse-charset gnus-newsgroup-charset)
5502 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
5503 (summary-buffer gnus-summary-buffer)
5505 (gnus-set-global-variables)
5506 (when (gnus-group-read-only-p)
5507 (error "The current newsgroup does not support article encrypt"))
5508 (gnus-summary-show-article t)
5510 (or (mail-header-references gnus-current-headers) ""))
5511 (set-buffer gnus-article-buffer)
5512 (let* ((buffer-read-only nil)
5514 (mapcar (lambda (field)
5515 (and (save-restriction
5516 (message-narrow-to-head)
5517 (goto-char (point-min))
5518 (search-forward field nil t))
5520 (message-narrow-to-field)
5521 (buffer-substring (point-min) (point-max))
5522 (delete-region (point-min) (point-max))
5524 '("Content-Type:" "Content-Transfer-Encoding:"
5525 "Content-Disposition:"))))
5526 (message-narrow-to-head)
5527 (message-remove-header "MIME-Version")
5528 (goto-char (point-max))
5529 (setq point (point))
5530 (insert (apply 'concat headers))
5532 (narrow-to-region point (point-max))
5533 (let ((message-options message-options))
5534 (message-options-set 'message-sender user-mail-address)
5535 (message-options-set 'message-recipients user-mail-address)
5536 (message-options-set 'message-sign-encrypt 'not)
5538 (goto-char (point-min))
5539 (insert "MIME-Version: 1.0\n")
5541 (gnus-summary-edit-article-done
5542 references nil summary-buffer t))
5543 (when gnus-keep-backlog
5544 (gnus-backlog-remove-article
5545 (car gnus-article-current) (cdr gnus-article-current)))
5547 (when (get-buffer gnus-original-article-buffer)
5548 (set-buffer gnus-original-article-buffer)
5549 (setq gnus-original-article nil)))
5550 (when gnus-use-cache
5551 (gnus-cache-update-article
5552 (car gnus-article-current) (cdr gnus-article-current))))))))
5554 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
5555 "The following specs can be used:
5556 %t The security MIME type
5559 %D Details if button is pressed")
5561 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
5562 "The following specs can be used:
5563 %t The security MIME type
5566 %D Details if button is pressed")
5568 (defvar gnus-mime-security-button-line-format-alist
5569 '((?t gnus-tmp-type ?s)
5570 (?i gnus-tmp-info ?s)
5571 (?d gnus-tmp-details ?s)
5572 (?D gnus-tmp-pressed-details ?s)))
5574 (defvar gnus-mime-security-button-map
5575 (let ((map (make-sparse-keymap)))
5576 (unless (>= (string-to-number emacs-version) 21)
5577 (set-keymap-parent map gnus-article-mode-map))
5578 (define-key map gnus-mouse-2 'gnus-article-push-button)
5579 (define-key map "\r" 'gnus-article-press-button)
5582 (defvar gnus-mime-security-details-buffer nil)
5584 (defvar gnus-mime-security-button-pressed nil)
5586 (defvar gnus-mime-security-show-details-inline t
5587 "If non-nil, show details in the article buffer.")
5589 (defun gnus-mime-security-verify-or-decrypt (handle)
5590 (mm-remove-parts (cdr handle))
5591 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
5592 point buffer-read-only)
5594 (goto-char (car region)))
5596 (narrow-to-region (point) (point))
5597 (with-current-buffer (mm-handle-multipart-original-buffer handle)
5598 (let* ((mm-verify-option 'known)
5599 (mm-decrypt-option 'known)
5600 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
5601 (unless (eq nparts (cdr handle))
5602 (mm-destroy-parts (cdr handle))
5603 (setcdr handle nparts))))
5604 (setq point (point))
5605 (gnus-mime-display-security handle)
5606 (goto-char (point-max)))
5608 (delete-region (point) (cdr region))
5609 (set-marker (car region) nil)
5610 (set-marker (cdr region) nil))
5613 (defun gnus-mime-security-show-details (handle)
5614 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
5616 (if gnus-mime-security-show-details-inline
5617 (let ((gnus-mime-security-button-pressed t)
5618 (gnus-mime-security-button-line-format
5619 (get-text-property (point) 'gnus-line-format))
5622 (while (eq (get-text-property (point) 'gnus-line-format)
5623 gnus-mime-security-button-line-format)
5627 (narrow-to-region (point) (point))
5628 (gnus-insert-mime-security-button handle))
5629 (delete-region (point)
5630 (or (text-property-not-all
5633 gnus-mime-security-button-line-format)
5635 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
5636 (with-current-buffer gnus-mime-security-details-buffer
5639 (setq gnus-mime-security-details-buffer
5640 (gnus-get-buffer-create "*MIME Security Details*")))
5641 (with-current-buffer gnus-mime-security-details-buffer
5643 (goto-char (point-min)))
5644 (pop-to-buffer gnus-mime-security-details-buffer))
5645 (gnus-message 5 "No details."))))
5647 (defun gnus-mime-security-press-button (handle)
5648 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
5649 (gnus-mime-security-show-details handle)
5650 (gnus-mime-security-verify-or-decrypt handle)))
5652 (defun gnus-insert-mime-security-button (handle &optional displayed)
5653 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
5656 (or (nth 2 (assoc protocol mm-verify-function-alist))
5657 (nth 2 (assoc protocol mm-decrypt-function-alist))
5659 (if (equal (car handle) "multipart/signed")
5660 " Signed" " Encrypted")
5663 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
5666 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
5667 gnus-tmp-pressed-details
5669 (setq gnus-tmp-details
5670 (if gnus-tmp-details
5671 (concat "\n" gnus-tmp-details) ""))
5672 (setq gnus-tmp-pressed-details
5673 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
5678 gnus-mime-security-button-line-format
5679 gnus-mime-security-button-line-format-alist
5680 `(keymap ,gnus-mime-security-button-map
5681 ,@(if (>= (string-to-number emacs-version) 21)
5682 nil ;; XEmacs doesn't care
5683 (list 'local-map gnus-mime-security-button-map))
5684 gnus-callback gnus-mime-security-press-button
5685 gnus-line-format ,gnus-mime-security-button-line-format
5686 article-type annotation
5689 (widget-convert-button
5692 :action 'gnus-widget-press-button
5693 :button-keymap gnus-mime-security-button-map
5695 (lambda (widget/window &optional overlay pos)
5696 ;; Needed to properly clear the message due to a bug in
5697 ;; wid-edit (XEmacs only).
5698 (if (boundp 'help-echo-owns-message)
5699 (setq help-echo-owns-message t))
5702 (aref gnus-mouse-2 0))))))
5704 (defun gnus-mime-display-security (handle)
5706 (narrow-to-region (point) (point))
5707 (unless (gnus-unbuttonized-mime-type-p (car handle))
5708 (gnus-insert-mime-security-button handle))
5709 (gnus-mime-display-mixed (cdr handle))
5712 (unless (gnus-unbuttonized-mime-type-p (car handle))
5713 (let ((gnus-mime-security-button-line-format
5714 gnus-mime-security-button-end-line-format))
5715 (gnus-insert-mime-security-button handle)))
5716 (mm-set-handle-multipart-parameter
5718 (cons (set-marker (make-marker) (point-min))
5719 (set-marker (make-marker) (point-max))))))
5725 (run-hooks 'gnus-art-load-hook)
5727 ;;; gnus-art.el ends here