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-in-vm (use VM's folder format)
414 * gnus-summary-write-to-file (article format -- overwrite)."
415 :group 'gnus-article-saving
416 :type '(radio (function-item gnus-summary-save-in-rmail)
417 (function-item gnus-summary-save-in-mail)
418 (function-item gnus-summary-save-in-folder)
419 (function-item gnus-summary-save-in-file)
420 (function-item gnus-summary-save-in-vm)
421 (function-item gnus-summary-write-to-file)))
423 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
424 "A function generating a file name to save articles in Rmail format.
425 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
426 :group 'gnus-article-saving
429 (defcustom gnus-mail-save-name 'gnus-plain-save-name
430 "A function generating a file name to save articles in Unix mail format.
431 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
432 :group 'gnus-article-saving
435 (defcustom gnus-folder-save-name 'gnus-folder-save-name
436 "A function generating a file name to save articles in MH folder.
437 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
438 :group 'gnus-article-saving
441 (defcustom gnus-file-save-name 'gnus-numeric-save-name
442 "A function generating a file name to save articles in article format.
443 The function is called with NEWSGROUP, HEADERS, and optional
445 :group 'gnus-article-saving
448 (defcustom gnus-split-methods
449 '((gnus-article-archive-name)
450 (gnus-article-nndoc-name))
451 "*Variable used to suggest where articles are to be saved.
452 For instance, if you would like to save articles related to Gnus in
453 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
454 you could set this variable to something like:
456 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
457 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
459 This variable is an alist where the where the key is the match and the
460 value is a list of possible files to save in if the match is non-nil.
462 If the match is a string, it is used as a regexp match on the
463 article. If the match is a symbol, that symbol will be funcalled
464 from the buffer of the article to be saved with the newsgroup as the
465 parameter. If it is a list, it will be evaled in the same buffer.
467 If this form or function returns a string, this string will be used as
468 a possible file name; and if it returns a non-nil list, that list will
469 be used as possible file names."
470 :group 'gnus-article-saving
471 :type '(repeat (choice (list :value (fun) function)
472 (cons :value ("" "") regexp (repeat string))
475 (defcustom gnus-page-delimiter "^\^L"
476 "*Regexp describing what to use as article page delimiters.
477 The default value is \"^\^L\", which is a form linefeed at the
478 beginning of a line."
480 :group 'gnus-article-various)
482 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
483 "*The format specification for the article mode line.
484 See `gnus-summary-mode-line-format' for a closer description.
486 The following additional specs are available:
488 %w The article washing status.
489 %m The number of MIME parts in the article."
491 :group 'gnus-article-various)
493 (defcustom gnus-article-mode-hook nil
494 "*A hook for Gnus article mode."
496 :group 'gnus-article-various)
498 (when (featurep 'xemacs)
499 ;; Extracted from gnus-xmas-define in order to preserve user settings
500 (when (fboundp 'turn-off-scroll-in-place)
501 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
502 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
503 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
505 (defcustom gnus-article-menu-hook nil
506 "*Hook run after the creation of the article mode menu."
508 :group 'gnus-article-various)
510 (defcustom gnus-article-prepare-hook nil
511 "*A hook called after an article has been prepared in the article buffer."
513 :group 'gnus-article-various)
515 (defcustom gnus-article-hide-pgp-hook nil
516 "*A hook called after successfully hiding a PGP signature."
518 :group 'gnus-article-various)
520 (defcustom gnus-article-button-face 'bold
521 "Face used for highlighting buttons in the article buffer.
523 An article button is a piece of text that you can activate by pressing
524 `RET' or `mouse-2' above it."
526 :group 'gnus-article-buttons)
528 (defcustom gnus-article-mouse-face 'highlight
529 "Face used for mouse highlighting in the article buffer.
531 Article buttons will be displayed in this face when the cursor is
534 :group 'gnus-article-buttons)
536 (defcustom gnus-signature-face 'gnus-signature-face
537 "Face used for highlighting a signature in the article buffer.
538 Obsolete; use the face `gnus-signature-face' for customizations instead."
540 :group 'gnus-article-highlight
541 :group 'gnus-article-signature)
543 (defface gnus-signature-face
546 "Face used for highlighting a signature in the article buffer."
547 :group 'gnus-article-highlight
548 :group 'gnus-article-signature)
550 (defface gnus-header-from-face
553 (:foreground "spring green"))
556 (:foreground "red3"))
559 "Face used for displaying from headers."
560 :group 'gnus-article-headers
561 :group 'gnus-article-highlight)
563 (defface gnus-header-subject-face
566 (:foreground "SeaGreen3"))
569 (:foreground "red4"))
571 (:bold t :italic t)))
572 "Face used for displaying subject headers."
573 :group 'gnus-article-headers
574 :group 'gnus-article-highlight)
576 (defface gnus-header-newsgroups-face
579 (:foreground "yellow" :italic t))
582 (:foreground "MidnightBlue" :italic t))
585 "Face used for displaying newsgroups headers."
586 :group 'gnus-article-headers
587 :group 'gnus-article-highlight)
589 (defface gnus-header-name-face
592 (:foreground "SeaGreen"))
595 (:foreground "maroon"))
598 "Face used for displaying header names."
599 :group 'gnus-article-headers
600 :group 'gnus-article-highlight)
602 (defface gnus-header-content-face
605 (:foreground "forest green" :italic t))
608 (:foreground "indianred4" :italic t))
610 (:italic t))) "Face used for displaying header content."
611 :group 'gnus-article-headers
612 :group 'gnus-article-highlight)
614 (defcustom gnus-header-face-alist
615 '(("From" nil gnus-header-from-face)
616 ("Subject" nil gnus-header-subject-face)
617 ("Newsgroups:.*," nil gnus-header-newsgroups-face)
618 ("" gnus-header-name-face gnus-header-content-face))
619 "*Controls highlighting of article header.
621 An alist of the form (HEADER NAME CONTENT).
623 HEADER is a regular expression which should match the name of an
624 header header and NAME and CONTENT are either face names or nil.
626 The name of each header field will be displayed using the face
627 specified by the first element in the list where HEADER match the
628 header name and NAME is non-nil. Similarly, the content will be
629 displayed by the first non-nil matching CONTENT face."
630 :group 'gnus-article-headers
631 :group 'gnus-article-highlight
632 :type '(repeat (list (regexp :tag "Header")
634 (item :tag "skip" nil)
635 (face :value default))
636 (choice :tag "Content"
637 (item :tag "skip" nil)
638 (face :value default)))))
640 (defcustom gnus-article-decode-hook
641 '(article-decode-charset article-decode-encoded-words
642 article-decode-group-name)
643 "*Hook run to decode charsets in articles."
644 :group 'gnus-article-headers
647 (defcustom gnus-display-mime-function 'gnus-display-mime
648 "Function to display MIME articles."
649 :group 'gnus-article-mime
652 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
653 "Function used to decode headers.")
655 (defvar gnus-article-dumbquotes-map
674 "Table for MS-to-Latin1 translation.")
676 (defcustom gnus-ignored-mime-types nil
677 "List of MIME types that should be ignored by Gnus."
679 :group 'gnus-article-mime
680 :type '(repeat regexp))
682 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
683 "List of MIME types that should not be given buttons when rendered inline.
684 See also `gnus-buttonized-mime-types' which may override this variable."
686 :group 'gnus-article-mime
687 :type '(repeat regexp))
689 (defcustom gnus-buttonized-mime-types nil
690 "List of MIME types that should be given buttons when rendered inline.
691 If set, this variable overrides `gnus-unbuttonized-mime-types'.
692 To see e.g. security buttons you could set this to
693 `(\"multipart/signed\")'."
695 :group 'gnus-article-mime
696 :type '(repeat regexp))
698 (defcustom gnus-article-mime-part-function nil
699 "Function called with a MIME handle as the argument.
700 This is meant for people who want to do something automatic based
701 on parts -- for instance, adding Vcard info to a database."
702 :group 'gnus-article-mime
705 (defcustom gnus-mime-multipart-functions nil
706 "An alist of MIME types to functions to display them."
708 :group 'gnus-article-mime
711 (defcustom gnus-article-date-lapsed-new-header nil
712 "Whether the X-Sent and Date headers can coexist.
713 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
714 either replace the old \"Date:\" header (if this variable is nil), or
715 be added below it (otherwise)."
717 :group 'gnus-article-headers
720 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
721 "Function called with a MIME handle as the argument.
722 This is meant for people who want to view first matched part.
723 For `undisplayed-alternative' (default), the first undisplayed
724 part or alternative part is used. For `undisplayed', the first
725 undisplayed part is used. For a function, the first part which
726 the function return `t' is used. For `nil', the first part is
729 :group 'gnus-article-mime
731 (item :tag "first" :value nil)
732 (item :tag "undisplayed" :value undisplayed)
733 (item :tag "undisplayed or alternative"
734 :value undisplayed-alternative)
737 (defcustom gnus-mime-action-alist
738 '(("save to file" . gnus-mime-save-part)
739 ("save and strip" . gnus-mime-save-part-and-strip)
740 ("display as text" . gnus-mime-inline-part)
741 ("view the part" . gnus-mime-view-part)
742 ("pipe to command" . gnus-mime-pipe-part)
743 ("toggle display" . gnus-article-press-button)
744 ("toggle display" . gnus-article-view-part-as-charset)
745 ("view as type" . gnus-mime-view-part-as-type)
746 ("internalize type" . gnus-mime-internalize-part)
747 ("externalize type" . gnus-mime-externalize-part))
748 "An alist of actions that run on the MIME attachment."
749 :group 'gnus-article-mime
750 :type '(repeat (cons (string :tag "name")
753 (defcustom gnus-mime-action-alist
754 '(("save to file" . gnus-mime-save-part)
755 ("display as text" . gnus-mime-inline-part)
756 ("view the part" . gnus-mime-view-part)
757 ("pipe to command" . gnus-mime-pipe-part)
758 ("toggle display" . gnus-article-press-button)
759 ("view as type" . gnus-mime-view-part-as-type)
760 ("internalize type" . gnus-mime-internalize-part)
761 ("externalize type" . gnus-mime-externalize-part))
762 "An alist of actions that run on the MIME attachment."
764 :group 'gnus-article-mime
765 :type '(repeat (cons (string :tag "name")
769 ;;; The treatment variables
772 (defvar gnus-part-display-hook nil
773 "Hook called on parts that are to receive treatment.")
775 (defvar gnus-article-treat-custom
776 '(choice (const :tag "Off" nil)
778 (const :tag "Header" head)
779 (const :tag "Last" last)
780 (integer :tag "Less")
781 (repeat :tag "Groups" regexp)
782 (sexp :tag "Predicate")))
784 (defvar gnus-article-treat-head-custom
785 '(choice (const :tag "Off" nil)
786 (const :tag "Header" head)))
788 (defvar gnus-article-treat-types '("text/plain")
791 (defvar gnus-inhibit-treatment nil
792 "Whether to inhibit treatment.")
794 (defcustom gnus-treat-highlight-signature '(or last (typep "text/x-vcard"))
795 "Highlight the signature.
796 Valid values are nil, t, `head', `last', an integer or a predicate.
797 See the manual for details."
798 :group 'gnus-article-treat
799 :type gnus-article-treat-custom)
800 (put 'gnus-treat-highlight-signature 'highlight t)
802 (defcustom gnus-treat-buttonize 100000
804 Valid values are nil, t, `head', `last', an integer or a predicate.
805 See the manual for details."
806 :group 'gnus-article-treat
807 :type gnus-article-treat-custom)
808 (put 'gnus-treat-buttonize 'highlight t)
810 (defcustom gnus-treat-buttonize-head 'head
811 "Add buttons to the head.
812 Valid values are nil, t, `head', `last', an integer or a predicate.
813 See the manual for details."
814 :group 'gnus-article-treat
815 :type gnus-article-treat-head-custom)
816 (put 'gnus-treat-buttonize-head 'highlight t)
818 (defcustom gnus-treat-emphasize
819 (and (or window-system
821 (>= (string-to-number emacs-version) 21))
824 Valid values are nil, t, `head', `last', an integer or a predicate.
825 See the manual for details."
826 :group 'gnus-article-treat
827 :type gnus-article-treat-custom)
828 (put 'gnus-treat-emphasize 'highlight t)
830 (defcustom gnus-treat-strip-cr nil
831 "Remove carriage returns.
832 Valid values are nil, t, `head', `last', an integer or a predicate.
833 See the manual for details."
834 :group 'gnus-article-treat
835 :type gnus-article-treat-custom)
837 (defcustom gnus-treat-leading-whitespace nil
838 "Remove leading whitespace in headers.
839 Valid values are nil, t, `head', `last', an integer or a predicate.
840 See the manual for details."
841 :group 'gnus-article-treat
842 :type gnus-article-treat-custom)
844 (defcustom gnus-treat-hide-headers 'head
846 Valid values are nil, t, `head', `last', an integer or a predicate.
847 See the manual for details."
848 :group 'gnus-article-treat
849 :type gnus-article-treat-head-custom)
851 (defcustom gnus-treat-hide-boring-headers nil
852 "Hide boring headers.
853 Valid values are nil, t, `head', `last', an integer or a predicate.
854 See the manual for details."
855 :group 'gnus-article-treat
856 :type gnus-article-treat-head-custom)
858 (defcustom gnus-treat-hide-signature nil
860 Valid values are nil, t, `head', `last', an integer or a predicate.
861 See the manual for details."
862 :group 'gnus-article-treat
863 :type gnus-article-treat-custom)
865 (defcustom gnus-treat-fill-article nil
867 Valid values are nil, t, `head', `last', an integer or a predicate.
868 See the manual for details."
869 :group 'gnus-article-treat
870 :type gnus-article-treat-custom)
872 (defcustom gnus-treat-hide-citation nil
874 Valid values are nil, t, `head', `last', an integer or a predicate.
875 See the manual for details."
876 :group 'gnus-article-treat
877 :type gnus-article-treat-custom)
879 (defcustom gnus-treat-hide-citation-maybe nil
881 Valid values are nil, t, `head', `last', an integer or a predicate.
882 See the manual for details."
883 :group 'gnus-article-treat
884 :type gnus-article-treat-custom)
886 (defcustom gnus-treat-strip-list-identifiers 'head
887 "Strip list identifiers from `gnus-list-identifiers`.
888 Valid values are nil, t, `head', `last', an integer or a predicate.
889 See the manual for details."
891 :group 'gnus-article-treat
892 :type gnus-article-treat-custom)
894 (defcustom gnus-treat-strip-pgp t
895 "Strip PGP signatures.
896 Valid values are nil, t, `head', `last', an integer or a predicate.
897 See the manual for details."
898 :group 'gnus-article-treat
899 :type gnus-article-treat-custom)
901 (defcustom gnus-treat-strip-pem nil
902 "Strip PEM signatures.
903 Valid values are nil, t, `head', `last', an integer or a predicate.
904 See the manual for details."
905 :group 'gnus-article-treat
906 :type gnus-article-treat-custom)
908 (defcustom gnus-treat-strip-banner t
909 "Strip banners from articles.
910 The banner to be stripped is specified in the `banner' group parameter.
911 Valid values are nil, t, `head', `last', an integer or a predicate.
912 See the manual for details."
913 :group 'gnus-article-treat
914 :type gnus-article-treat-custom)
916 (defcustom gnus-treat-highlight-headers 'head
917 "Highlight the headers.
918 Valid values are nil, t, `head', `last', an integer or a predicate.
919 See the manual for details."
920 :group 'gnus-article-treat
921 :type gnus-article-treat-head-custom)
922 (put 'gnus-treat-highlight-headers 'highlight t)
924 (defcustom gnus-treat-highlight-citation t
925 "Highlight cited text.
926 Valid values are nil, t, `head', `last', an integer or a predicate.
927 See the manual for details."
928 :group 'gnus-article-treat
929 :type gnus-article-treat-custom)
930 (put 'gnus-treat-highlight-citation 'highlight t)
932 (defcustom gnus-treat-date-ut nil
933 "Display the Date in UT (GMT).
934 Valid values are nil, t, `head', `last', an integer or a predicate.
935 See the manual for details."
936 :group 'gnus-article-treat
937 :type gnus-article-treat-head-custom)
939 (defcustom gnus-treat-date-local nil
940 "Display the Date in the local timezone.
941 Valid values are nil, t, `head', `last', an integer or a predicate.
942 See the manual for details."
943 :group 'gnus-article-treat
944 :type gnus-article-treat-head-custom)
946 (defcustom gnus-treat-date-english nil
947 "Display the Date in a format that can be read aloud in English.
948 Valid values are nil, t, `head', `last', an integer or a predicate.
949 See the manual for details."
950 :group 'gnus-article-treat
951 :type gnus-article-treat-head-custom)
953 (defcustom gnus-treat-date-lapsed nil
954 "Display the Date header in a way that says how much time has elapsed.
955 Valid values are nil, t, `head', `last', an integer or a predicate.
956 See the manual for details."
957 :group 'gnus-article-treat
958 :type gnus-article-treat-head-custom)
960 (defcustom gnus-treat-date-original nil
961 "Display the date in the original timezone.
962 Valid values are nil, t, `head', `last', an integer or a predicate.
963 See the manual for details."
964 :group 'gnus-article-treat
965 :type gnus-article-treat-head-custom)
967 (defcustom gnus-treat-date-iso8601 nil
968 "Display the date in the ISO8601 format.
969 Valid values are nil, t, `head', `last', an integer or a predicate.
970 See the manual for details."
972 :group 'gnus-article-treat
973 :type gnus-article-treat-head-custom)
975 (defcustom gnus-treat-date-user-defined nil
976 "Display the date in a user-defined format.
977 The format is defined by the `gnus-article-time-format' variable.
978 Valid values are nil, t, `head', `last', an integer or a predicate.
979 See the manual for details."
980 :group 'gnus-article-treat
981 :type gnus-article-treat-head-custom)
983 (defcustom gnus-treat-strip-headers-in-body t
984 "Strip the X-No-Archive header line from the beginning of the body.
985 Valid values are nil, t, `head', `last', an integer or a predicate.
986 See the manual for details."
988 :group 'gnus-article-treat
989 :type gnus-article-treat-custom)
991 (defcustom gnus-treat-strip-trailing-blank-lines nil
992 "Strip trailing blank lines.
993 Valid values are nil, t, `head', `last', an integer or a predicate.
994 See the manual for details."
995 :group 'gnus-article-treat
996 :type gnus-article-treat-custom)
998 (defcustom gnus-treat-strip-leading-blank-lines nil
999 "Strip leading blank lines.
1000 Valid values are nil, t, `head', `last', an integer or a predicate.
1001 See the manual for details."
1002 :group 'gnus-article-treat
1003 :type gnus-article-treat-custom)
1005 (defcustom gnus-treat-strip-multiple-blank-lines nil
1006 "Strip multiple blank lines.
1007 Valid values are nil, t, `head', `last', an integer or a predicate.
1008 See the manual for details."
1009 :group 'gnus-article-treat
1010 :type gnus-article-treat-custom)
1012 (defcustom gnus-treat-overstrike t
1013 "Treat overstrike highlighting.
1014 Valid values are nil, t, `head', `last', an integer or a predicate.
1015 See the manual for details."
1016 :group 'gnus-article-treat
1017 :type gnus-article-treat-custom)
1018 (put 'gnus-treat-overstrike 'highlight t)
1020 (defcustom gnus-treat-display-xface
1021 (and (or (and (fboundp 'image-type-available-p)
1022 (image-type-available-p 'xbm)
1023 (string-match "^0x" (shell-command-to-string "uncompface")))
1024 (and (featurep 'xemacs) (featurep 'xface)))
1026 "Display X-Face headers.
1027 Valid values are nil, t, `head', `last', an integer or a predicate.
1028 See the manual for details."
1029 :group 'gnus-article-treat
1031 :type gnus-article-treat-head-custom)
1032 (put 'gnus-treat-display-xface 'highlight t)
1034 (defcustom gnus-treat-display-smileys
1035 (if (or (and (featurep 'xemacs)
1037 (and (fboundp 'image-type-available-p)
1038 (image-type-available-p 'pbm)))
1041 Valid values are nil, t, `head', `last', an integer or a predicate.
1042 See the manual for details."
1043 :group 'gnus-article-treat
1045 :type gnus-article-treat-custom)
1046 (put 'gnus-treat-display-smileys 'highlight t)
1048 (defcustom gnus-treat-display-picons (if (featurep 'xemacs) 'head nil)
1050 Valid values are nil, t, `head', `last', an integer or a predicate.
1051 See the manual for details."
1052 :group 'gnus-article-treat
1053 :type gnus-article-treat-head-custom)
1054 (put 'gnus-treat-display-picons 'highlight t)
1056 (defcustom gnus-treat-capitalize-sentences nil
1057 "Capitalize sentence-starting words.
1058 Valid values are nil, t, `head', `last', an integer or a predicate.
1059 See the manual for details."
1061 :group 'gnus-article-treat
1062 :type gnus-article-treat-custom)
1064 (defcustom gnus-treat-fill-long-lines nil
1066 Valid values are nil, t, `head', `last', an integer or a predicate.
1067 See the manual for details."
1068 :group 'gnus-article-treat
1069 :type gnus-article-treat-custom)
1071 (defcustom gnus-treat-play-sounds nil
1073 Valid values are nil, t, `head', `last', an integer or a predicate.
1074 See the manual for details."
1076 :group 'gnus-article-treat
1077 :type gnus-article-treat-custom)
1079 (defcustom gnus-treat-translate nil
1080 "Translate articles from one language to another.
1081 Valid values are nil, t, `head', `last', an integer or a predicate.
1082 See the manual for details."
1084 :group 'gnus-article-treat
1085 :type gnus-article-treat-custom)
1087 (defcustom gnus-treat-x-pgp-sig nil
1089 To automatically treat X-PGP-Sig, set it to head.
1090 Valid values are nil, t, `head', `last', an integer or a predicate.
1091 See the manual for details."
1092 :group 'gnus-article-treat
1093 :group 'mime-security
1094 :type gnus-article-treat-custom)
1096 (defvar gnus-article-encrypt-protocol-alist
1097 '(("PGP" . mml2015-self-encrypt)))
1099 ;; Set to nil if more than one protocol added to
1100 ;; gnus-article-encrypt-protocol-alist.
1101 (defcustom gnus-article-encrypt-protocol "PGP"
1102 "The protocol used for encrypt articles.
1103 It is a string, such as \"PGP\". If nil, ask user."
1105 :group 'mime-security)
1107 ;;; Internal variables
1109 (defvar gnus-english-month-names
1110 '("January" "February" "March" "April" "May" "June" "July" "August"
1111 "September" "October" "November" "December"))
1113 (defvar article-goto-body-goes-to-point-min-p nil)
1114 (defvar gnus-article-wash-types nil)
1115 (defvar gnus-article-emphasis-alist nil)
1117 (defvar gnus-article-mime-handle-alist-1 nil)
1118 (defvar gnus-treatment-function-alist
1119 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1120 (gnus-treat-strip-banner gnus-article-strip-banner)
1121 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1122 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1123 (gnus-treat-buttonize gnus-article-add-buttons)
1124 (gnus-treat-fill-article gnus-article-fill-cited-article)
1125 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1126 (gnus-treat-strip-cr gnus-article-remove-cr)
1127 (gnus-treat-emphasize gnus-article-emphasize)
1128 (gnus-treat-display-xface gnus-article-display-x-face)
1129 (gnus-treat-date-ut gnus-article-date-ut)
1130 (gnus-treat-date-local gnus-article-date-local)
1131 (gnus-treat-date-english gnus-article-date-english)
1132 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1133 (gnus-treat-date-original gnus-article-date-original)
1134 (gnus-treat-date-user-defined gnus-article-date-user)
1135 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1136 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1137 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1138 (gnus-treat-hide-signature gnus-article-hide-signature)
1139 (gnus-treat-hide-citation gnus-article-hide-citation)
1140 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1141 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1142 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1143 (gnus-treat-strip-pgp gnus-article-hide-pgp)
1144 (gnus-treat-strip-pem gnus-article-hide-pem)
1145 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1146 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1147 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1148 (gnus-treat-strip-trailing-blank-lines
1149 gnus-article-remove-trailing-blank-lines)
1150 (gnus-treat-strip-leading-blank-lines
1151 gnus-article-strip-leading-blank-lines)
1152 (gnus-treat-strip-multiple-blank-lines
1153 gnus-article-strip-multiple-blank-lines)
1154 (gnus-treat-overstrike gnus-article-treat-overstrike)
1155 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1156 (gnus-treat-display-smileys gnus-smiley-display)
1157 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1158 (gnus-treat-display-picons gnus-article-display-picons)
1159 (gnus-treat-play-sounds gnus-earcon-display)))
1161 (defvar gnus-article-mime-handle-alist nil)
1162 (defvar article-lapsed-timer nil)
1163 (defvar gnus-article-current-summary nil)
1165 (defvar gnus-article-mode-syntax-table
1166 (let ((table (copy-syntax-table text-mode-syntax-table)))
1167 ;; This causes the citation match run O(2^n).
1168 ;; (modify-syntax-entry ?- "w" table)
1169 (modify-syntax-entry ?> ")" table)
1170 (modify-syntax-entry ?< "(" table)
1172 "Syntax table used in article mode buffers.
1173 Initialized from `text-mode-syntax-table.")
1175 (defvar gnus-save-article-buffer nil)
1177 (defvar gnus-article-mode-line-format-alist
1178 (nconc '((?w (gnus-article-wash-status) ?s)
1179 (?m (gnus-article-mime-part-status) ?s))
1180 gnus-summary-mode-line-format-alist))
1182 (defvar gnus-number-of-articles-to-be-saved nil)
1184 (defvar gnus-inhibit-hiding nil)
1186 (defsubst gnus-article-hide-text (b e props)
1187 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1188 (gnus-add-text-properties-when 'article-type nil b e props)
1189 (when (memq 'intangible props)
1191 (max (1- b) (point-min))
1192 b 'intangible (cddr (memq 'intangible props)))))
1194 (defsubst gnus-article-unhide-text (b e)
1195 "Remove hidden text properties from region between B and E."
1196 (remove-text-properties b e gnus-hidden-properties)
1197 (when (memq 'intangible gnus-hidden-properties)
1198 (put-text-property (max (1- b) (point-min))
1199 b 'intangible nil)))
1201 (defun gnus-article-hide-text-type (b e type)
1202 "Hide text of TYPE between B and E."
1203 (push type gnus-article-wash-types)
1204 (gnus-article-hide-text
1205 b e (cons 'article-type (cons type gnus-hidden-properties))))
1207 (defun gnus-article-unhide-text-type (b e type)
1208 "Unhide text of TYPE between B and E."
1209 (setq gnus-article-wash-types
1210 (delq type gnus-article-wash-types))
1211 (remove-text-properties
1212 b e (cons 'article-type (cons type gnus-hidden-properties)))
1213 (when (memq 'intangible gnus-hidden-properties)
1214 (put-text-property (max (1- b) (point-min))
1215 b 'intangible nil)))
1217 (defun gnus-article-hide-text-of-type (type)
1218 "Hide text of TYPE in the current buffer."
1220 (let ((b (point-min))
1222 (while (setq b (text-property-any b e 'article-type type))
1223 (add-text-properties b (incf b) gnus-hidden-properties)))))
1225 (defun gnus-article-delete-text-of-type (type)
1226 "Delete text of TYPE in the current buffer."
1228 (let ((b (point-min)))
1229 (while (setq b (text-property-any b (point-max) 'article-type type))
1231 b (or (text-property-not-all b (point-max) 'article-type type)
1234 (defun gnus-article-delete-invisible-text ()
1235 "Delete all invisible text in the current buffer."
1237 (let ((b (point-min)))
1238 (while (setq b (text-property-any b (point-max) 'invisible t))
1240 b (or (text-property-not-all b (point-max) 'invisible t)
1243 (defun gnus-article-text-type-exists-p (type)
1244 "Say whether any text of type TYPE exists in the buffer."
1245 (text-property-any (point-min) (point-max) 'article-type type))
1247 (defsubst gnus-article-header-rank ()
1248 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1249 (let ((list gnus-sorted-header-list)
1252 (when (looking-at (car list))
1254 (setq list (cdr list))
1258 (defun article-hide-headers (&optional arg delete)
1259 "Hide unwanted headers and possibly sort them as well."
1261 ;; This function might be inhibited.
1262 (unless gnus-inhibit-hiding
1265 (let ((buffer-read-only nil)
1266 (case-fold-search t)
1267 (max (1+ (length gnus-sorted-header-list)))
1268 (ignored (when (not gnus-visible-headers)
1269 (cond ((stringp gnus-ignored-headers)
1270 gnus-ignored-headers)
1271 ((listp gnus-ignored-headers)
1272 (mapconcat 'identity gnus-ignored-headers
1275 (cond ((stringp gnus-visible-headers)
1276 gnus-visible-headers)
1277 ((and gnus-visible-headers
1278 (listp gnus-visible-headers))
1279 (mapconcat 'identity gnus-visible-headers "\\|"))))
1280 (inhibit-point-motion-hooks t)
1282 ;; First we narrow to just the headers.
1283 (article-narrow-to-head)
1284 ;; Hide any "From " lines at the beginning of (mail) articles.
1285 (while (looking-at "From ")
1288 (delete-region (point-min) (point)))
1289 ;; Then treat the rest of the header lines.
1290 ;; Then we use the two regular expressions
1291 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1292 ;; select which header lines is to remain visible in the
1294 (while (re-search-forward "^[^ \t:]*:" nil t)
1296 ;; Mark the rank of the header.
1298 (point) (1+ (point)) 'message-rank
1299 (if (or (and visible (looking-at visible))
1301 (not (looking-at ignored))))
1302 (gnus-article-header-rank)
1305 (message-sort-headers-1)
1306 (when (setq beg (text-property-any
1307 (point-min) (point-max) 'message-rank (+ 2 max)))
1308 ;; We delete the unwanted headers.
1309 (push 'headers gnus-article-wash-types)
1310 (add-text-properties (point-min) (+ 5 (point-min))
1311 '(article-type headers dummy-invisible t))
1312 (delete-region beg (point-max))))))))
1314 (defun article-hide-boring-headers (&optional arg)
1315 "Toggle hiding of headers that aren't very interesting.
1316 If given a negative prefix, always show; if given a positive prefix,
1318 (interactive (gnus-article-hidden-arg))
1319 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1320 (not gnus-show-all-headers))
1323 (let ((buffer-read-only nil)
1324 (list gnus-boring-article-headers)
1325 (inhibit-point-motion-hooks t)
1327 (article-narrow-to-head)
1329 (setq elem (pop list))
1330 (goto-char (point-min))
1332 ;; Hide empty headers.
1334 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1336 (gnus-article-hide-text-type
1337 (progn (beginning-of-line) (point))
1340 (if (re-search-forward "^[^ \t]" nil t)
1344 ;; Hide boring Newsgroups header.
1345 ((eq elem 'newsgroups)
1346 (when (gnus-string-equal
1347 (gnus-fetch-field "newsgroups")
1348 (gnus-group-real-name
1349 (if (boundp 'gnus-newsgroup-name)
1352 (gnus-article-hide-header "newsgroups")))
1353 ((eq elem 'to-address)
1354 (let ((to (message-fetch-field "to"))
1356 (gnus-parameter-to-address
1357 (if (boundp 'gnus-newsgroup-name)
1358 gnus-newsgroup-name ""))))
1359 (when (and to to-address
1362 ;; only one address in To
1363 (nth 1 (mail-extract-address-components to))
1365 (gnus-article-hide-header "to"))))
1366 ((eq elem 'followup-to)
1367 (when (gnus-string-equal
1368 (message-fetch-field "followup-to")
1369 (message-fetch-field "newsgroups"))
1370 (gnus-article-hide-header "followup-to")))
1371 ((eq elem 'reply-to)
1372 (let ((from (message-fetch-field "from"))
1373 (reply-to (message-fetch-field "reply-to")))
1378 (nth 1 (mail-extract-address-components from))
1379 (nth 1 (mail-extract-address-components reply-to)))))
1380 (gnus-article-hide-header "reply-to"))))
1382 (let ((date (message-fetch-field "date")))
1384 (< (days-between (current-time-string) date)
1386 (gnus-article-hide-header "date"))))
1388 (let ((to (message-fetch-field "to"))
1389 (cc (message-fetch-field "cc")))
1390 (when (> (length to) 1024)
1391 (gnus-article-hide-header "to"))
1392 (when (> (length cc) 1024)
1393 (gnus-article-hide-header "cc"))))
1397 (goto-char (point-min))
1398 (while (re-search-forward "^to:" nil t)
1399 (setq to-count (1+ to-count)))
1400 (when (> to-count 1)
1401 (while (> to-count 0)
1402 (goto-char (point-min))
1404 (re-search-forward "^to:" nil nil to-count)
1406 (narrow-to-region (point) (point-max))
1407 (gnus-article-hide-header "to"))
1408 (setq to-count (1- to-count))))
1409 (goto-char (point-min))
1410 (while (re-search-forward "^cc:" nil t)
1411 (setq cc-count (1+ cc-count)))
1412 (when (> cc-count 1)
1413 (while (> cc-count 0)
1414 (goto-char (point-min))
1416 (re-search-forward "^cc:" nil nil cc-count)
1418 (narrow-to-region (point) (point-max))
1419 (gnus-article-hide-header "cc"))
1420 (setq cc-count (1- cc-count)))))))))))))
1422 (defun gnus-article-hide-header (header)
1424 (goto-char (point-min))
1425 (when (re-search-forward (concat "^" header ":") nil t)
1426 (gnus-article-hide-text-type
1427 (progn (beginning-of-line) (point))
1430 (if (re-search-forward "^[^ \t]" nil t)
1435 (defvar gnus-article-normalized-header-length 40
1436 "Length of normalized headers.")
1438 (defun article-normalize-headers ()
1439 "Make all header lines 40 characters long."
1441 (let ((buffer-read-only nil)
1445 (article-narrow-to-head)
1448 ((< (setq column (- (gnus-point-at-eol) (point)))
1449 gnus-article-normalized-header-length)
1451 (insert (make-string
1452 (- gnus-article-normalized-header-length column)
1454 ((> column gnus-article-normalized-header-length)
1455 (gnus-put-text-property
1457 (forward-char gnus-article-normalized-header-length)
1464 (forward-line 1))))))
1466 (defun article-treat-dumbquotes ()
1467 "Translate M****s*** sm*rtq**t*s into proper text.
1468 Note that this function guesses whether a character is a sm*rtq**t* or
1469 not, so it should only be used interactively.
1471 Sm*rtq**t*s are M****s***'s unilateral extension to the character map
1472 in an attempt to provide more quoting characters. If you see
1473 something like \\222 or \\264 where you're expecting some kind of
1474 apostrophe or quotation mark, then try this wash."
1476 (article-translate-strings gnus-article-dumbquotes-map))
1478 (defun article-translate-characters (from to)
1479 "Translate all characters in the body of the article according to FROM and TO.
1480 FROM is a string of characters to translate from; to is a string of
1481 characters to translate to."
1483 (when (article-goto-body)
1484 (let ((buffer-read-only nil)
1485 (x (make-string 225 ?x))
1487 (while (< (incf i) (length x))
1490 (while (< i (length from))
1491 (aset x (aref from i) (aref to i))
1493 (translate-region (point) (point-max) x)))))
1495 (defun article-translate-strings (map)
1496 "Translate all string in the body of the article according to MAP.
1497 MAP is an alist where the elements are on the form (\"from\" \"to\")."
1499 (when (article-goto-body)
1500 (let ((buffer-read-only nil)
1502 (while (setq elem (pop map))
1504 (while (search-forward (car elem) nil t)
1505 (replace-match (cadr elem)))))))))
1507 (defun article-treat-overstrike ()
1508 "Translate overstrikes into bold text."
1511 (when (article-goto-body)
1512 (let ((buffer-read-only nil))
1513 (while (search-forward "\b" nil t)
1514 (let ((next (char-after))
1515 (previous (char-after (- (point) 2))))
1516 ;; We do the boldification/underlining by hiding the
1517 ;; overstrikes and putting the proper text property
1521 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1522 (put-text-property (point) (1+ (point)) 'face 'bold))
1524 (gnus-article-hide-text-type
1525 (1- (point)) (1+ (point)) 'overstrike)
1527 (- (point) 2) (1- (point)) 'face 'underline))
1529 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1531 (point) (1+ (point)) 'face 'underline)))))))))
1533 (defun article-fill-long-lines ()
1534 "Fill lines that are wider than the window width."
1537 (let ((buffer-read-only nil)
1538 (width (window-width (get-buffer-window (current-buffer)))))
1541 (let ((adaptive-fill-mode nil)) ;Why? -sm
1544 (when (>= (current-column) (min fill-column width))
1545 (narrow-to-region (point) (gnus-point-at-bol))
1546 (fill-paragraph nil)
1547 (goto-char (point-max))
1549 (forward-line 1)))))))
1551 (defun article-capitalize-sentences ()
1552 "Capitalize the first word in each sentence."
1555 (let ((buffer-read-only nil)
1556 (paragraph-start "^[\n\^L]"))
1560 (forward-sentence)))))
1562 (defun article-remove-cr ()
1563 "Remove trailing CRs and then translate remaining CRs into LFs."
1566 (let ((buffer-read-only nil))
1567 (goto-char (point-min))
1568 (while (re-search-forward "\r+$" nil t)
1569 (replace-match "" t t))
1570 (goto-char (point-min))
1571 (while (search-forward "\r" nil t)
1572 (replace-match "\n" t t)))))
1574 (defun article-remove-trailing-blank-lines ()
1575 "Remove all trailing blank lines from the article."
1578 (let ((buffer-read-only nil))
1579 (goto-char (point-max))
1583 (while (and (not (bobp))
1584 (looking-at "^[ \t]*$")
1585 (not (gnus-annotation-in-region-p
1586 (point) (gnus-point-at-eol))))
1591 (defun article-display-x-face (&optional force)
1592 "Look for an X-Face header and display it if present."
1593 (interactive (list 'force))
1595 ;; Delete the old process, if any.
1596 (when (process-status "article-x-face")
1597 (delete-process "article-x-face"))
1598 (let ((inhibit-point-motion-hooks t)
1600 (case-fold-search t)
1603 (article-narrow-to-head)
1604 (when (and buffer-read-only ;; When type `W f'
1606 (goto-char (point-min))
1607 (not (re-search-forward "^X-Face:[\t ]*" nil t)))
1608 (gnus-buffer-live-p gnus-original-article-buffer))
1609 (with-current-buffer gnus-original-article-buffer
1611 (article-narrow-to-head)
1612 (while (re-search-forward "^X-Face:" nil t)
1618 (1- (re-search-forward
1619 "^\\($\\|[^ \t]\\)" nil t))))))))
1621 (let (point start bface eface buffer-read-only)
1622 (goto-char (point-max))
1624 (setq bface (get-text-property (gnus-point-at-bol) 'face)
1625 eface (get-text-property (1- (gnus-point-at-eol)) 'face))
1626 (goto-char (point-max))
1627 (setq point (point))
1630 (while (looking-at "\\([^:]+\\): *")
1631 (put-text-property (match-beginning 1) (1+ (match-end 1))
1633 (setq start (match-end 0))
1635 (while (looking-at "[\t ]")
1637 (put-text-property start (point)
1639 (goto-char (point-min))
1640 (setq from (message-fetch-field "from"))
1641 (goto-char (point-min))
1642 (while (and gnus-article-x-face-command
1645 ;; Check whether this face is censored.
1646 (not gnus-article-x-face-too-ugly)
1647 (and gnus-article-x-face-too-ugly from
1648 (not (string-match gnus-article-x-face-too-ugly
1650 ;; Has to be present.
1651 (re-search-forward "^X-Face:[\t ]*" nil t))
1652 ;; This used to try to do multiple faces (`while' instead of
1653 ;; `when' above), but (a) sending multiple EOFs to xv doesn't
1654 ;; work (b) it can crash some versions of Emacs (c) are
1655 ;; multiple faces really something to encourage?
1656 (when (stringp gnus-article-x-face-command)
1658 ;; We now have the area of the buffer where the X-Face is stored.
1661 (end (1- (re-search-forward "^\\($\\|[^ \t]\\)" nil t)))
1663 ;; We display the face.
1664 (if (symbolp gnus-article-x-face-command)
1665 ;; The command is a lisp function, so we call it.
1666 (if (gnus-functionp gnus-article-x-face-command)
1667 (funcall gnus-article-x-face-command beg end)
1668 (error "%s is not a function" gnus-article-x-face-command))
1669 ;; The command is a string, so we interpret the command
1670 ;; as a, well, command, and fork it off.
1671 (let ((process-connection-type nil))
1672 (process-kill-without-query
1674 "article-x-face" nil shell-file-name shell-command-switch
1675 gnus-article-x-face-command))
1676 (process-send-region "article-x-face" beg end)
1677 (process-send-eof "article-x-face"))))))))))
1679 (defun article-decode-mime-words ()
1680 "Decode all MIME-encoded words in the article."
1683 (set-buffer gnus-article-buffer)
1684 (let ((inhibit-point-motion-hooks t)
1686 (mail-parse-charset gnus-newsgroup-charset)
1687 (mail-parse-ignored-charsets
1688 (save-excursion (set-buffer gnus-summary-buffer)
1689 gnus-newsgroup-ignored-charsets)))
1690 (mail-decode-encoded-word-region (point-min) (point-max)))))
1692 (defun article-decode-charset (&optional prompt)
1693 "Decode charset-encoded text in the article.
1694 If PROMPT (the prefix), prompt for a coding system to use."
1696 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
1698 (mail-parse-charset gnus-newsgroup-charset)
1699 (mail-parse-ignored-charsets
1700 (save-excursion (condition-case nil
1701 (set-buffer gnus-summary-buffer)
1703 gnus-newsgroup-ignored-charsets))
1704 ct cte ctl charset format)
1707 (article-narrow-to-head)
1708 (setq ct (message-fetch-field "Content-Type" t)
1709 cte (message-fetch-field "Content-Transfer-Encoding" t)
1710 ctl (and ct (ignore-errors
1711 (mail-header-parse-content-type ct)))
1714 (mm-read-coding-system "Charset to decode: "))
1716 (mail-content-type-get ctl 'charset)))
1717 format (and ctl (mail-content-type-get ctl 'format)))
1719 (setq cte (mail-header-strip cte)))
1720 (if (and ctl (not (string-match "/" (car ctl))))
1722 (goto-char (point-max)))
1725 (narrow-to-region (point) (point-max))
1726 (when (and (eq mail-parse-charset 'gnus-decoded)
1727 (eq (mm-body-7-or-8) '8bit))
1728 ;; The text code could have been decoded.
1729 (setq charset mail-parse-charset))
1730 (when (and (or (not ctl)
1731 (equal (car ctl) "text/plain"))
1732 (not format)) ;; article with format will decode later.
1734 charset (and cte (intern (downcase
1735 (gnus-strip-whitespace cte))))
1738 (defun article-decode-encoded-words ()
1739 "Remove encoded-word encoding from headers."
1740 (let ((inhibit-point-motion-hooks t)
1741 (mail-parse-charset gnus-newsgroup-charset)
1742 (mail-parse-ignored-charsets
1743 (save-excursion (condition-case nil
1744 (set-buffer gnus-summary-buffer)
1746 gnus-newsgroup-ignored-charsets))
1749 (article-narrow-to-head)
1750 (funcall gnus-decode-header-function (point-min) (point-max)))))
1752 (defun article-decode-group-name ()
1753 "Decode group names in `Newsgroups:'."
1754 (let ((inhibit-point-motion-hooks t)
1756 (method (gnus-find-method-for-group gnus-newsgroup-name)))
1757 (when (and (or gnus-group-name-charset-method-alist
1758 gnus-group-name-charset-group-alist)
1759 (gnus-buffer-live-p gnus-original-article-buffer))
1760 (when (nnmail-fetch-field "Newsgroups")
1761 (nnheader-replace-header "Newsgroups"
1762 (gnus-decode-newsgroups
1763 (with-current-buffer
1764 gnus-original-article-buffer
1765 (nnmail-fetch-field "Newsgroups"))
1766 gnus-newsgroup-name method)))
1767 (when (nnmail-fetch-field "Followup-To")
1768 (nnheader-replace-header "Followup-To"
1769 (gnus-decode-newsgroups
1770 (with-current-buffer
1771 gnus-original-article-buffer
1772 (nnmail-fetch-field "Followup-To"))
1773 gnus-newsgroup-name method))))))
1775 (defun article-de-quoted-unreadable (&optional force read-charset)
1776 "Translate a quoted-printable-encoded article.
1777 If FORCE, decode the article whether it is marked as quoted-printable
1779 If READ-CHARSET, ask for a coding system."
1780 (interactive (list 'force current-prefix-arg))
1782 (let ((buffer-read-only nil) type charset)
1783 (if (gnus-buffer-live-p gnus-original-article-buffer)
1784 (with-current-buffer gnus-original-article-buffer
1786 (gnus-fetch-field "content-transfer-encoding"))
1787 (let* ((ct (gnus-fetch-field "content-type"))
1790 (mail-header-parse-content-type ct)))))
1791 (setq charset (and ctl
1792 (mail-content-type-get ctl 'charset)))
1793 (if (stringp charset)
1794 (setq charset (intern (downcase charset)))))))
1796 (setq charset (mm-read-coding-system "Charset: " charset)))
1798 (setq charset gnus-newsgroup-charset))
1800 (and type (let ((case-fold-search t))
1801 (string-match "quoted-printable" type))))
1803 (quoted-printable-decode-region
1804 (point) (point-max) (mm-charset-to-coding-system charset))))))
1806 (defun article-de-base64-unreadable (&optional force read-charset)
1807 "Translate a base64 article.
1808 If FORCE, decode the article whether it is marked as base64 not.
1809 If READ-CHARSET, ask for a coding system."
1810 (interactive (list 'force current-prefix-arg))
1812 (let ((buffer-read-only nil) type charset)
1813 (if (gnus-buffer-live-p gnus-original-article-buffer)
1814 (with-current-buffer gnus-original-article-buffer
1816 (gnus-fetch-field "content-transfer-encoding"))
1817 (let* ((ct (gnus-fetch-field "content-type"))
1820 (mail-header-parse-content-type ct)))))
1821 (setq charset (and ctl
1822 (mail-content-type-get ctl 'charset)))
1823 (if (stringp charset)
1824 (setq charset (intern (downcase charset)))))))
1826 (setq charset (mm-read-coding-system "Charset: " charset)))
1828 (setq charset gnus-newsgroup-charset))
1830 (and type (let ((case-fold-search t))
1831 (string-match "base64" type))))
1834 (narrow-to-region (point) (point-max))
1835 (base64-decode-region (point-min) (point-max))
1836 (mm-decode-coding-region
1837 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
1842 (defun article-decode-HZ ()
1843 "Translate a HZ-encoded article."
1847 (let ((buffer-read-only nil))
1848 (rfc1843-decode-region (point-min) (point-max)))))
1850 (defun article-wash-html (&optional read-charset)
1851 "Format an html article.
1852 If READ-CHARSET, ask for a coding system."
1855 (let ((buffer-read-only nil)
1857 (if (gnus-buffer-live-p gnus-original-article-buffer)
1858 (with-current-buffer gnus-original-article-buffer
1859 (let* ((ct (gnus-fetch-field "content-type"))
1862 (mail-header-parse-content-type ct)))))
1863 (setq charset (and ctl
1864 (mail-content-type-get ctl 'charset)))
1865 (if (stringp charset)
1866 (setq charset (intern (downcase charset)))))))
1868 (setq charset (mm-read-coding-system "Charset: " charset)))
1870 (setq charset gnus-newsgroup-charset))
1872 (save-window-excursion
1874 (narrow-to-region (point) (point-max))
1876 (let ((w3-strict-width (window-width))
1877 (url-standalone-mode t))
1879 (w3-region (point-min) (point-max))
1882 (defun article-hide-list-identifiers ()
1883 "Remove list identifies from the Subject header.
1884 The `gnus-list-identifiers' variable specifies what to do."
1886 (let ((inhibit-point-motion-hooks t)
1887 (regexp (if (consp gnus-list-identifiers)
1888 (mapconcat 'identity gnus-list-identifiers " *\\|")
1889 gnus-list-identifiers))
1894 (article-narrow-to-head)
1895 (goto-char (point-min))
1896 (while (re-search-forward
1897 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
1899 (delete-region (match-beginning 2) (match-end 0))
1900 (beginning-of-line))
1901 (when (re-search-forward
1902 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
1903 (delete-region (match-beginning 1) (match-end 1))))))))
1905 (defun article-hide-pgp ()
1906 "Remove any PGP headers and signatures in the current article."
1910 (let ((inhibit-point-motion-hooks t)
1911 buffer-read-only beg end)
1913 ;; Hide the "header".
1914 (when (re-search-forward "^-----BEGIN PGP SIGNED MESSAGE-----\n" nil t)
1915 (push 'pgp gnus-article-wash-types)
1916 (delete-region (match-beginning 0) (match-end 0))
1917 ;; Remove armor headers (rfc2440 6.2)
1918 (delete-region (point) (or (re-search-forward "^[ \t]*\n" nil t)
1921 ;; Hide the actual signature.
1922 (and (search-forward "\n-----BEGIN PGP SIGNATURE-----\n" nil t)
1923 (setq end (1+ (match-beginning 0)))
1926 (if (search-forward "\n-----END PGP SIGNATURE-----\n" nil t)
1928 ;; Perhaps we shouldn't hide to the end of the buffer
1929 ;; if there is no end to the signature?
1931 ;; Hide "- " PGP quotation markers.
1933 (narrow-to-region beg end)
1934 (goto-char (point-min))
1935 (while (re-search-forward "^- " nil t)
1937 (match-beginning 0) (match-end 0)))
1939 (gnus-run-hooks 'gnus-article-hide-pgp-hook))))))
1941 (defun article-hide-pem (&optional arg)
1942 "Toggle hiding of any PEM headers and signatures in the current article.
1943 If given a negative prefix, always show; if given a positive prefix,
1945 (interactive (gnus-article-hidden-arg))
1946 (unless (gnus-article-check-hidden-text 'pem arg)
1948 (let (buffer-read-only end)
1949 (goto-char (point-min))
1950 ;; Hide the horrendously ugly "header".
1951 (when (and (search-forward
1952 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
1954 (setq end (1+ (match-beginning 0))))
1955 (push 'pem gnus-article-wash-types)
1956 (gnus-article-hide-text-type
1958 (if (search-forward "\n\n" nil t)
1962 ;; Hide the trailer as well
1963 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
1965 (gnus-article-hide-text-type
1966 (match-beginning 0) (match-end 0) 'pem)))))))
1968 (defun article-strip-banner ()
1969 "Strip the banner specified by the `banner' group parameter."
1973 (let ((inhibit-point-motion-hooks t)
1974 (banner (gnus-parameter-banner gnus-newsgroup-name))
1975 (gnus-signature-limit nil)
1976 buffer-read-only beg end)
1980 ((eq banner 'signature)
1981 (when (gnus-article-narrow-to-signature)
1984 (delete-region (point) (point-max))))
1986 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
1987 (while (re-search-forward banner nil t)
1988 (delete-region (match-beginning 0) (match-end 0)))))
1990 (while (re-search-forward banner nil t)
1991 (delete-region (match-beginning 0) (match-end 0))))))))))
1993 (defun article-babel ()
1994 "Translate article using an online translation service."
1998 (set-buffer gnus-article-buffer)
1999 (when (article-goto-body)
2000 (let* ((buffer-read-only nil)
2003 (orig (buffer-substring start end))
2004 (trans (babel-as-string orig)))
2006 (narrow-to-region start end)
2007 (delete-region start end)
2010 (defun article-hide-signature (&optional arg)
2011 "Hide the signature in the current article.
2012 If given a negative prefix, always show; if given a positive prefix,
2014 (interactive (gnus-article-hidden-arg))
2015 (unless (gnus-article-check-hidden-text 'signature arg)
2018 (let ((buffer-read-only nil))
2019 (when (gnus-article-narrow-to-signature)
2020 (gnus-article-hide-text-type
2021 (point-min) (point-max) 'signature)))))))
2023 (defun article-strip-headers-in-body ()
2024 "Strip offensive headers from bodies."
2028 (let ((case-fold-search t))
2029 (when (looking-at "x-no-archive:")
2030 (gnus-delete-line)))))
2032 (defun article-strip-leading-blank-lines ()
2033 "Remove all blank lines from the beginning of the article."
2036 (let ((inhibit-point-motion-hooks t)
2038 (when (article-goto-body)
2039 (while (and (not (eobp))
2040 (looking-at "[ \t]*$"))
2041 (gnus-delete-line))))))
2043 (defun article-narrow-to-head ()
2044 "Narrow the buffer to the head of the message.
2045 Point is left at the beginning of the narrowed-to region."
2047 (goto-char (point-min))
2048 (if (search-forward "\n\n" nil 1)
2051 (goto-char (point-min)))
2053 (defun article-goto-body ()
2054 "Place point at the start of the body."
2055 (goto-char (point-min))
2057 ;; This variable is only bound when dealing with separate
2059 (article-goto-body-goes-to-point-min-p
2061 ((search-forward "\n\n" nil t)
2064 (goto-char (point-max))
2067 (defun article-strip-multiple-blank-lines ()
2068 "Replace consecutive blank lines with one empty line."
2071 (let ((inhibit-point-motion-hooks t)
2073 ;; First make all blank lines empty.
2075 (while (re-search-forward "^[ \t]+$" nil t)
2076 (unless (gnus-annotation-in-region-p
2077 (match-beginning 0) (match-end 0))
2078 (replace-match "" nil t)))
2079 ;; Then replace multiple empty lines with a single empty line.
2081 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2082 (unless (gnus-annotation-in-region-p
2083 (match-beginning 0) (match-end 0))
2084 (delete-region (match-beginning 1) (match-end 1)))))))
2086 (defun article-strip-leading-space ()
2087 "Remove all white space from the beginning of the lines in the article."
2090 (let ((inhibit-point-motion-hooks t)
2093 (while (re-search-forward "^[ \t]+" nil t)
2094 (replace-match "" t t)))))
2096 (defun article-strip-trailing-space ()
2097 "Remove all white space from the end of the lines in the article."
2100 (let ((inhibit-point-motion-hooks t)
2103 (while (re-search-forward "[ \t]+$" nil t)
2104 (replace-match "" t t)))))
2106 (defun article-strip-blank-lines ()
2107 "Strip leading, trailing and multiple blank lines."
2109 (article-strip-leading-blank-lines)
2110 (article-remove-trailing-blank-lines)
2111 (article-strip-multiple-blank-lines))
2113 (defun article-strip-all-blank-lines ()
2114 "Strip all blank lines."
2117 (let ((inhibit-point-motion-hooks t)
2120 (while (re-search-forward "^[ \t]*\n" nil t)
2121 (replace-match "" t t)))))
2123 (defun gnus-article-narrow-to-signature ()
2124 "Narrow to the signature; return t if a signature is found, else nil."
2125 (let ((inhibit-point-motion-hooks t))
2126 (when (gnus-article-search-signature)
2128 ;; Check whether we have some limits to what we consider
2129 ;; to be a signature.
2130 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2131 (list gnus-signature-limit)))
2133 (while (setq limit (pop limits))
2134 (if (or (and (integerp limit)
2135 (< (- (point-max) (point)) limit))
2137 (< (count-lines (point) (point-max)) limit))
2138 (and (gnus-functionp limit)
2140 (and (stringp limit)
2141 (not (re-search-forward limit nil t))))
2142 () ; This limit did not succeed.
2146 (narrow-to-region (point) (point-max))
2149 (defun gnus-article-search-signature ()
2150 "Search the current buffer for the signature separator.
2151 Put point at the beginning of the signature separator."
2152 (let ((cur (point)))
2153 (goto-char (point-max))
2154 (if (if (stringp gnus-signature-separator)
2155 (re-search-backward gnus-signature-separator nil t)
2156 (let ((seps gnus-signature-separator))
2158 (not (re-search-backward (car seps) nil t)))
2165 (defun gnus-article-hidden-arg ()
2166 "Return the current prefix arg as a number, or 0 if no prefix."
2167 (list (if current-prefix-arg
2168 (prefix-numeric-value current-prefix-arg)
2171 (defun gnus-article-check-hidden-text (type arg)
2172 "Return nil if hiding is necessary.
2173 Arg can be nil or a number. Nil and positive means hide, negative
2174 means show, 0 means toggle."
2177 (let ((hide (gnus-article-hidden-text-p type)))
2183 (gnus-article-show-hidden-text type)
2186 (if (eq hide 'hidden)
2188 (gnus-article-show-hidden-text type)
2192 (defun gnus-article-hidden-text-p (type)
2193 "Say whether the current buffer contains hidden text of type TYPE."
2194 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2196 (not (get-text-property pos 'invisible))
2197 (not (get-text-property pos 'dummy-invisible)))
2199 (text-property-any (1+ pos) (point-max) 'article-type type)))
2204 (defun gnus-article-show-hidden-text (type &optional dummy)
2205 "Show all hidden text of type TYPE.
2206 Originally it is hide instead of DUMMY."
2207 (let ((buffer-read-only nil)
2208 (inhibit-point-motion-hooks t))
2209 (gnus-remove-text-properties-when
2211 (point-min) (point-max)
2212 (cons 'article-type (cons type
2213 gnus-hidden-properties)))))
2215 (defconst article-time-units
2216 `((year . ,(* 365.25 24 60 60))
2217 (week . ,(* 7 24 60 60))
2218 (day . ,(* 24 60 60))
2222 "Mapping from time units to seconds.")
2224 (defun article-date-ut (&optional type highlight header)
2225 "Convert DATE date to universal time in the current article.
2226 If TYPE is `local', convert to local time; if it is `lapsed', output
2227 how much time has lapsed since DATE. For `lapsed', the value of
2228 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2229 should replace the \"Date:\" one, or should be added below it."
2230 (interactive (list 'ut t))
2231 (let* ((header (or header
2232 (message-fetch-field "date")
2234 (tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
2237 ((not gnus-article-date-lapsed-new-header)
2243 (date (if (vectorp header) (mail-header-date header)
2245 (inhibit-point-motion-hooks t)
2250 (article-narrow-to-head)
2251 (when (re-search-forward tdate-regexp nil t)
2252 (setq bface (get-text-property (gnus-point-at-bol) 'face)
2253 date (or (get-text-property (gnus-point-at-bol)
2256 eface (get-text-property (1- (gnus-point-at-eol)) 'face))
2258 (when (and date (not (string= date "")))
2259 (goto-char (point-min))
2260 (let ((buffer-read-only nil))
2261 ;; Delete any old Date headers.
2262 (while (re-search-forward date-regexp nil t)
2264 (delete-region (progn (beginning-of-line) (point))
2265 (progn (forward-line 1) (point)))
2266 (delete-region (progn (beginning-of-line) (point))
2267 (progn (end-of-line) (point)))
2268 (setq pos (point))))
2269 (when (and (not pos) (re-search-forward tdate-regexp nil t))
2271 (if pos (goto-char pos))
2272 (insert (article-make-date-line date (or type 'ut)))
2278 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
2279 (put-text-property (match-beginning 1) (1+ (match-end 1))
2280 'original-date date)
2281 (put-text-property (match-beginning 1) (1+ (match-end 1))
2283 (put-text-property (match-beginning 2) (match-end 2)
2286 (defun article-make-date-line (date type)
2287 "Return a DATE line of TYPE."
2288 (unless (memq type '(local ut original user iso8601 lapsed english))
2289 (error "Unknown conversion type: %s" type))
2291 (let ((time (date-to-time date)))
2293 ;; Convert to the local timezone.
2295 (let ((tz (car (current-time-zone time))))
2296 (format "Date: %s %s%02d%02d" (current-time-string time)
2297 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2298 (/ (% (abs tz) 3600) 60))))
2299 ;; Convert to Universal Time.
2302 (current-time-string
2303 (let* ((e (parse-time-string date))
2304 (tm (apply 'encode-time e))
2306 (ls (- (cadr tm) (car (current-time-zone time)))))
2307 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
2308 ((> ls 65535) (list (1+ ms) (- ls 65536)))
2311 ;; Get the original date from the article.
2312 ((eq type 'original)
2313 (concat "Date: " (if (string-match "\n+$" date)
2314 (substring date 0 (match-beginning 0))
2316 ;; Let the user define the format.
2318 (if (gnus-functionp gnus-article-time-format)
2319 (funcall gnus-article-time-format time)
2322 (format-time-string gnus-article-time-format time))))
2325 (let ((tz (car (current-time-zone time))))
2328 (format-time-string "%Y%m%dT%H%M%S" time)
2329 (format "%s%02d%02d"
2330 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2331 (/ (% (abs tz) 3600) 60)))))
2332 ;; Do an X-Sent lapsed format.
2334 ;; If the date is seriously mangled, the timezone functions are
2335 ;; liable to bug out, so we ignore all errors.
2336 (let* ((now (current-time))
2337 (real-time (subtract-time now time))
2338 (real-sec (and real-time
2339 (+ (* (float (car real-time)) 65536)
2341 (sec (and real-time (abs real-sec)))
2351 ;; This is a bit convoluted, but basically we go
2352 ;; through the time units for years, weeks, etc,
2353 ;; and divide things to see whether that results
2354 ;; in positive answers.
2357 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
2358 ;; The (remaining) seconds are too few to
2359 ;; be divided into this time unit.
2361 ;; It's big enough, so we output it.
2362 (setq sec (- sec (* num (cdr unit))))
2364 (concat (if prev ", " "") (int-to-string
2366 " " (symbol-name (car unit))
2367 (if (> num 1) "s" ""))
2369 article-time-units "")
2370 ;; If dates are odd, then it might appear like the
2371 ;; article was sent in the future.
2374 " in the future"))))))
2375 ;; Display the date in proper English
2377 (let ((dtime (decode-time time)))
2380 (number-to-string (nth 3 dtime))
2381 (let ((digit (% (nth 3 dtime) 10)))
2383 ((memq (nth 3 dtime) '(11 12 13)) "th")
2389 (nth (1- (nth 4 dtime)) gnus-english-month-names)
2391 (number-to-string (nth 5 dtime))
2393 (format "%02d" (nth 2 dtime))
2395 (format "%02d" (nth 1 dtime)))))))
2397 (format "Date: %s (from Oort)" date))))
2399 (defun article-date-local (&optional highlight)
2400 "Convert the current article date to the local timezone."
2401 (interactive (list t))
2402 (article-date-ut 'local highlight))
2404 (defun article-date-english (&optional highlight)
2405 "Convert the current article date to something that is proper English."
2406 (interactive (list t))
2407 (article-date-ut 'english highlight))
2409 (defun article-date-original (&optional highlight)
2410 "Convert the current article date to what it was originally.
2411 This is only useful if you have used some other date conversion
2412 function and want to see what the date was before converting."
2413 (interactive (list t))
2414 (article-date-ut 'original highlight))
2416 (defun article-date-lapsed (&optional highlight)
2417 "Convert the current article date to time lapsed since it was sent."
2418 (interactive (list t))
2419 (article-date-ut 'lapsed highlight))
2421 (defun article-update-date-lapsed ()
2422 "Function to be run from a timer to update the lapsed time line."
2423 (let (deactivate-mark)
2428 (set-buffer (window-buffer w))
2429 (when (eq major-mode 'gnus-article-mode)
2430 (goto-char (point-min))
2431 (when (re-search-forward "^X-Sent:" nil t)
2432 (article-date-lapsed t))))
2435 (defun gnus-start-date-timer (&optional n)
2436 "Start a timer to update the X-Sent header in the article buffers.
2437 The numerical prefix says how frequently (in seconds) the function
2442 (gnus-stop-date-timer)
2443 (setq article-lapsed-timer
2444 (nnheader-run-at-time 1 n 'article-update-date-lapsed)))
2446 (defun gnus-stop-date-timer ()
2447 "Stop the X-Sent timer."
2449 (when article-lapsed-timer
2450 (nnheader-cancel-timer article-lapsed-timer)
2451 (setq article-lapsed-timer nil)))
2453 (defun article-date-user (&optional highlight)
2454 "Convert the current article date to the user-defined format.
2455 This format is defined by the `gnus-article-time-format' variable."
2456 (interactive (list t))
2457 (article-date-ut 'user highlight))
2459 (defun article-date-iso8601 (&optional highlight)
2460 "Convert the current article date to ISO8601."
2461 (interactive (list t))
2462 (article-date-ut 'iso8601 highlight))
2464 (defun article-show-all ()
2465 "Show all hidden text in the article buffer."
2468 (let ((buffer-read-only nil))
2469 (gnus-article-unhide-text (point-min) (point-max)))))
2471 (defun article-remove-leading-whitespace ()
2472 "Remove excessive whitespace from all headers."
2476 (let ((buffer-read-only nil))
2477 (article-narrow-to-head)
2478 (goto-char (point-min))
2479 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
2480 (delete-region (match-beginning 1) (match-end 1)))))))
2482 (defun article-emphasize (&optional arg)
2483 "Emphasize text according to `gnus-emphasis-alist'."
2484 (interactive (gnus-article-hidden-arg))
2485 (unless (gnus-article-check-hidden-text 'emphasis arg)
2489 (with-current-buffer gnus-summary-buffer
2490 gnus-article-emphasis-alist)
2492 gnus-emphasis-alist))
2493 (buffer-read-only nil)
2494 (props (append '(article-type emphasis)
2495 gnus-hidden-properties))
2496 regexp elem beg invisible visible face)
2499 (while (setq elem (pop alist))
2501 (setq regexp (car elem)
2502 invisible (nth 1 elem)
2503 visible (nth 2 elem)
2505 (while (re-search-forward regexp nil t)
2506 (when (and (match-beginning visible) (match-beginning invisible))
2507 (gnus-article-hide-text
2508 (match-beginning invisible) (match-end invisible) props)
2509 (gnus-article-unhide-text-type
2510 (match-beginning visible) (match-end visible) 'emphasis)
2511 (gnus-put-text-property-excluding-newlines
2512 (match-beginning visible) (match-end visible) 'face face)
2513 (push 'emphasis gnus-article-wash-types)
2514 (goto-char (match-end invisible)))))))))
2516 (defun gnus-article-setup-highlight-words (&optional highlight-words)
2517 "Setup newsgroup emphasis alist."
2518 (unless gnus-article-emphasis-alist
2519 (let ((name (and gnus-newsgroup-name
2520 (gnus-group-real-name gnus-newsgroup-name))))
2521 (make-local-variable 'gnus-article-emphasis-alist)
2522 (setq gnus-article-emphasis-alist
2524 (let ((alist gnus-group-highlight-words-alist) elem highlight)
2525 (while (setq elem (pop alist))
2526 (when (and name (string-match (car elem) name))
2528 highlight (copy-sequence (cdr elem)))))
2530 (copy-sequence highlight-words)
2531 (if gnus-newsgroup-name
2532 (copy-sequence (gnus-group-find-parameter
2533 gnus-newsgroup-name 'highlight-words t)))
2534 gnus-emphasis-alist)))))
2537 (defvar gnus-summary-article-menu)
2538 (defvar gnus-summary-post-menu))
2540 ;;; Saving functions.
2542 (defun gnus-article-save (save-buffer file &optional num)
2543 "Save the currently selected article."
2544 (unless gnus-save-all-headers
2545 ;; Remove headers according to `gnus-saved-headers'.
2546 (let ((gnus-visible-headers
2547 (or gnus-saved-headers gnus-visible-headers))
2548 (gnus-article-buffer save-buffer))
2550 (set-buffer save-buffer)
2551 (article-hide-headers 1 t))))
2552 (save-window-excursion
2553 (if (not gnus-default-article-saver)
2554 (error "No default saver is defined")
2555 ;; !!! Magic! The saving functions all save
2556 ;; `gnus-save-article-buffer' (or so they think), but we
2557 ;; bind that variable to our save-buffer.
2558 (set-buffer gnus-article-buffer)
2559 (let* ((gnus-save-article-buffer save-buffer)
2562 ((not gnus-prompt-before-saving) 'default)
2563 ((eq gnus-prompt-before-saving 'always) nil)
2565 (gnus-number-of-articles-to-be-saved
2566 (when (eq gnus-prompt-before-saving t)
2568 (set-buffer gnus-article-current-summary)
2569 (funcall gnus-default-article-saver filename)))))
2571 (defun gnus-read-save-file-name (prompt &optional filename
2572 function group headers variable)
2574 (funcall function group headers (symbol-value variable)))
2579 ((eq filename 'default)
2585 (let* ((split-name (gnus-get-split-value gnus-split-methods))
2588 (if (and gnus-number-of-articles-to-be-saved
2589 (> gnus-number-of-articles-to-be-saved 1))
2590 (format "these %d articles"
2591 gnus-number-of-articles-to-be-saved)
2594 ;; Let the split methods have their say.
2596 ;; No split name was found.
2599 (concat prompt " (default "
2600 (file-name-nondirectory default-name) ") ")
2601 (file-name-directory default-name)
2603 ;; A single group name is returned.
2604 ((stringp split-name)
2606 (funcall function split-name headers
2607 (symbol-value variable)))
2609 (concat prompt " (default "
2610 (file-name-nondirectory default-name) ") ")
2611 (file-name-directory default-name)
2613 ;; A single split name was found
2614 ((= 1 (length split-name))
2615 (let* ((name (expand-file-name
2617 gnus-article-save-directory))
2618 (dir (cond ((file-directory-p name)
2619 (file-name-as-directory name))
2620 ((file-exists-p name) name)
2621 (t gnus-article-save-directory))))
2623 (concat prompt " (default " name ") ")
2625 ;; A list of splits was found.
2627 (setq split-name (nreverse split-name))
2629 (let ((file-name-history
2630 (nconc split-name file-name-history)))
2634 (concat prompt " (`M-p' for defaults) ")
2635 gnus-article-save-directory
2637 gnus-article-save-directory)))
2638 (car (push result file-name-history)))))))
2639 ;; Create the directory.
2640 (gnus-make-directory (file-name-directory file))
2641 ;; If we have read a directory, we append the default file name.
2642 (when (file-directory-p file)
2643 (setq file (expand-file-name (file-name-nondirectory
2645 (file-name-as-directory file))))
2646 ;; Possibly translate some characters.
2647 (nnheader-translate-file-chars file))))))
2648 (gnus-make-directory (file-name-directory result))
2649 (set variable result)))
2651 (defun gnus-article-archive-name (group)
2652 "Return the first instance of an \"Archive-name\" in the current buffer."
2653 (let ((case-fold-search t))
2654 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
2655 (nnheader-concat gnus-article-save-directory
2656 (match-string 1)))))
2658 (defun gnus-article-nndoc-name (group)
2659 "If GROUP is an nndoc group, return the name of the parent group."
2660 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
2661 (gnus-group-get-parameter group 'save-article-group)))
2663 (defun gnus-summary-save-in-rmail (&optional filename)
2664 "Append this article to Rmail file.
2665 Optional argument FILENAME specifies file name.
2666 Directory to save to is default to `gnus-article-save-directory'."
2667 (setq filename (gnus-read-save-file-name
2668 "Save %s in rmail file:" filename
2669 gnus-rmail-save-name gnus-newsgroup-name
2670 gnus-current-headers 'gnus-newsgroup-last-rmail))
2671 (gnus-eval-in-buffer-window gnus-save-article-buffer
2675 (gnus-output-to-rmail filename))))
2678 (defun gnus-summary-save-in-mail (&optional filename)
2679 "Append this article to Unix mail file.
2680 Optional argument FILENAME specifies file name.
2681 Directory to save to is default to `gnus-article-save-directory'."
2682 (setq filename (gnus-read-save-file-name
2683 "Save %s in Unix mail file:" filename
2684 gnus-mail-save-name gnus-newsgroup-name
2685 gnus-current-headers 'gnus-newsgroup-last-mail))
2686 (gnus-eval-in-buffer-window gnus-save-article-buffer
2690 (if (and (file-readable-p filename)
2691 (mail-file-babyl-p filename))
2692 (rmail-output-to-rmail-file filename t)
2693 (gnus-output-to-mail filename)))))
2696 (defun gnus-summary-save-in-file (&optional filename overwrite)
2697 "Append this article to file.
2698 Optional argument FILENAME specifies file name.
2699 Directory to save to is default to `gnus-article-save-directory'."
2700 (setq filename (gnus-read-save-file-name
2701 "Save %s in file:" filename
2702 gnus-file-save-name gnus-newsgroup-name
2703 gnus-current-headers 'gnus-newsgroup-last-file))
2704 (gnus-eval-in-buffer-window gnus-save-article-buffer
2708 (when (and overwrite
2709 (file-exists-p filename))
2710 (delete-file filename))
2711 (gnus-output-to-file filename))))
2714 (defun gnus-summary-write-to-file (&optional filename)
2715 "Write this article to a file.
2716 Optional argument FILENAME specifies file name.
2717 The directory to save in defaults to `gnus-article-save-directory'."
2718 (gnus-summary-save-in-file nil t))
2720 (defun gnus-summary-save-body-in-file (&optional filename)
2721 "Append this article body to a file.
2722 Optional argument FILENAME specifies file name.
2723 The directory to save in defaults to `gnus-article-save-directory'."
2724 (setq filename (gnus-read-save-file-name
2725 "Save %s body in file:" filename
2726 gnus-file-save-name gnus-newsgroup-name
2727 gnus-current-headers 'gnus-newsgroup-last-file))
2728 (gnus-eval-in-buffer-window gnus-save-article-buffer
2732 (when (article-goto-body)
2733 (narrow-to-region (point) (point-max)))
2734 (gnus-output-to-file filename))))
2737 (defun gnus-summary-save-in-pipe (&optional command)
2738 "Pipe this article to subprocess."
2740 (cond ((and (eq command 'default)
2741 gnus-last-shell-command)
2742 gnus-last-shell-command)
2747 "Shell command on %s: "
2748 (if (and gnus-number-of-articles-to-be-saved
2749 (> gnus-number-of-articles-to-be-saved 1))
2750 (format "these %d articles"
2751 gnus-number-of-articles-to-be-saved)
2753 gnus-last-shell-command))))
2754 (when (string-equal command "")
2755 (if gnus-last-shell-command
2756 (setq command gnus-last-shell-command)
2757 (error "A command is required")))
2758 (gnus-eval-in-buffer-window gnus-article-buffer
2761 (shell-command-on-region (point-min) (point-max) command nil)))
2762 (setq gnus-last-shell-command command))
2764 ;;; Article file names when saving.
2766 (defun gnus-capitalize-newsgroup (newsgroup)
2767 "Capitalize NEWSGROUP name."
2768 (when (not (zerop (length newsgroup)))
2769 (concat (char-to-string (upcase (aref newsgroup 0)))
2770 (substring newsgroup 1))))
2772 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
2773 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
2774 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
2775 Otherwise, it is like ~/News/news/group/num."
2778 (concat (if (gnus-use-long-file-name 'not-save)
2779 (gnus-capitalize-newsgroup newsgroup)
2780 (gnus-newsgroup-directory-form newsgroup))
2781 "/" (int-to-string (mail-header-number headers)))
2782 gnus-article-save-directory)))
2784 (string-equal (file-name-directory default)
2785 (file-name-directory last-file))
2786 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
2788 (or last-file default))))
2790 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
2791 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
2792 If variable `gnus-use-long-file-name' is non-nil, it is
2793 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
2796 (concat (if (gnus-use-long-file-name 'not-save)
2798 (gnus-newsgroup-directory-form newsgroup))
2799 "/" (int-to-string (mail-header-number headers)))
2800 gnus-article-save-directory)))
2802 (string-equal (file-name-directory default)
2803 (file-name-directory last-file))
2804 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
2806 (or last-file default))))
2808 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
2809 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
2810 If variable `gnus-use-long-file-name' is non-nil, it is
2811 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
2814 (if (gnus-use-long-file-name 'not-save)
2817 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
2819 gnus-article-save-directory)))
2821 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
2822 "Generate file name from sender."
2823 (let ((from (mail-header-from headers)))
2825 (if (and from (string-match "\\([^ <]+\\)@" from))
2826 (match-string 1 from)
2828 gnus-article-save-directory)))
2830 (defun article-verify-x-pgp-sig ()
2833 (if (gnus-buffer-live-p gnus-original-article-buffer)
2834 (let ((sig (with-current-buffer gnus-original-article-buffer
2835 (gnus-fetch-field "X-PGP-Sig")))
2839 (mml2015-clear-verify-function))
2841 (insert-buffer gnus-original-article-buffer)
2842 (setq items (split-string sig))
2843 (message-narrow-to-head)
2844 (let ((inhibit-point-motion-hooks t)
2845 (case-fold-search t))
2846 ;; Don't verify multiple headers.
2847 (setq headers (mapconcat (lambda (header)
2849 (mail-fetch-field header) "\n"))
2850 (split-string (nth 1 items) ",") "")))
2851 (delete-region (point-min) (point-max))
2852 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
2853 (insert "X-Signed-Headers: " (nth 1 items) "\n")
2858 (if (looking-at "^-")
2861 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
2862 (insert "Version: " (car items) "\n\n")
2863 (insert (mapconcat 'identity (cddr items) "\n"))
2864 (insert "\n-----END PGP SIGNATURE-----\n")
2865 (let ((mm-security-handle (list (format "multipart/signed"))))
2866 (mml2015-clean-buffer)
2867 (let ((coding-system-for-write (or gnus-newsgroup-charset
2869 (funcall (mml2015-clear-verify-function)))
2871 (or (mm-handle-multipart-ctl-parameter
2872 mm-security-handle 'gnus-details)
2873 (mm-handle-multipart-ctl-parameter
2874 mm-security-handle 'gnus-info)))))
2876 (let (buffer-read-only bface eface)
2878 (message-narrow-to-head)
2879 (goto-char (point-max))
2881 (setq bface (get-text-property (gnus-point-at-bol) 'face)
2882 eface (get-text-property (1- (gnus-point-at-eol)) 'face))
2883 (message-remove-header "X-Gnus-PGP-Verify")
2884 (if (re-search-forward "^X-PGP-Sig:" nil t)
2886 (goto-char (point-max)))
2887 (narrow-to-region (point) (point))
2888 (insert "X-Gnus-PGP-Verify: " info "\n")
2889 (goto-char (point-min))
2892 (if (not (looking-at "^[ \t]"))
2896 (goto-char (point-min))
2897 (when (looking-at "\\([^:]+\\): *")
2898 (put-text-property (match-beginning 1) (1+ (match-end 1))
2900 (put-text-property (match-end 0) (point-max)
2901 'face eface)))))))))
2903 (autoload 'canlock-verify "canlock")
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 (defun gnus-article-wash-status ()
4095 "Return a string which display status of article washing."
4097 (set-buffer gnus-article-buffer)
4098 (let ((cite (memq 'cite gnus-article-wash-types))
4099 (headers (memq 'headers gnus-article-wash-types))
4100 (boring (memq 'boring-headers gnus-article-wash-types))
4101 (pgp (memq 'pgp gnus-article-wash-types))
4102 (pem (memq 'pem gnus-article-wash-types))
4103 (signed (memq 'signed gnus-article-wash-types))
4104 (encrypted (memq 'encrypted gnus-article-wash-types))
4105 (signature (memq 'signature gnus-article-wash-types))
4106 (overstrike (memq 'overstrike gnus-article-wash-types))
4107 (emphasis (memq 'emphasis gnus-article-wash-types)))
4108 (format "%c%c%c%c%c%c"
4110 (if (or headers boring) ?h ? )
4111 (if (or pgp pem signed encrypted) ?p ? )
4112 (if signature ?s ? )
4113 (if overstrike ?o ? )
4114 (if emphasis ?e ? )))))
4116 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
4118 (defun gnus-article-maybe-hide-headers ()
4119 "Hide unwanted headers if `gnus-have-all-headers' is nil.
4120 Provided for backwards compatibility."
4121 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
4122 (not (save-excursion (set-buffer gnus-summary-buffer)
4123 gnus-have-all-headers)))
4124 (not gnus-inhibit-hiding))
4125 (gnus-article-hide-headers)))
4129 (defun gnus-output-to-file (file-name)
4130 "Append the current article to a file named FILE-NAME."
4131 (let ((artbuf (current-buffer)))
4133 (insert-buffer-substring artbuf)
4134 ;; Append newline at end of the buffer as separator, and then
4136 (goto-char (point-max))
4138 (let ((file-name-coding-system nnmail-pathname-coding-system))
4139 (mm-append-to-file (point-min) (point-max) file-name))
4142 (defun gnus-narrow-to-page (&optional arg)
4143 "Narrow the article buffer to a page.
4144 If given a numerical ARG, move forward ARG pages."
4146 (setq arg (if arg (prefix-numeric-value arg) 0))
4148 (set-buffer gnus-article-buffer)
4149 (goto-char (point-min))
4151 ;; Remove any old next/prev buttons.
4152 (when (gnus-visual-p 'page-marker)
4153 (let ((buffer-read-only nil))
4154 (gnus-remove-text-with-property 'gnus-prev)
4155 (gnus-remove-text-with-property 'gnus-next)))
4158 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
4160 (re-search-forward page-delimiter nil 'move arg)))
4161 (goto-char (match-end 0)))
4164 (if (re-search-forward page-delimiter nil 'move)
4167 (when (and (gnus-visual-p 'page-marker)
4168 (not (= (point-min) 1)))
4170 (goto-char (point-min))
4171 (gnus-insert-prev-page-button)))
4172 (when (and (gnus-visual-p 'page-marker)
4173 (< (+ (point-max) 2) (buffer-size)))
4175 (goto-char (point-max))
4176 (gnus-insert-next-page-button)))))
4178 ;; Article mode commands
4180 (defun gnus-article-goto-next-page ()
4181 "Show the next page of the article."
4183 (when (gnus-article-next-page)
4184 (goto-char (point-min))
4185 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
4187 (defun gnus-article-goto-prev-page ()
4188 "Show the next page of the article."
4190 (if (bobp) (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
4191 (gnus-article-prev-page nil)))
4193 (defun gnus-article-next-page (&optional lines)
4194 "Show the next page of the current article.
4195 If end of article, return non-nil. Otherwise return nil.
4196 Argument LINES specifies lines to be scrolled up."
4198 (move-to-window-line -1)
4201 (and (pos-visible-in-window-p) ;Not continuation line.
4203 ;; Nothing in this page.
4204 (if (or (not gnus-page-broken)
4207 (widen) (forward-line 1) (eobp)))) ;Real end-of-buffer?
4209 (gnus-narrow-to-page 1) ;Go to next page.
4211 ;; More in this page.
4212 (let ((scroll-in-place nil))
4216 ;; Long lines may cause an end-of-buffer error.
4217 (goto-char (point-max)))))
4218 (move-to-window-line 0)
4221 (defun gnus-article-prev-page (&optional lines)
4222 "Show previous page of current article.
4223 Argument LINES specifies lines to be scrolled down."
4225 (move-to-window-line 0)
4226 (if (and gnus-page-broken
4228 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
4230 (gnus-narrow-to-page -1) ;Go to previous page.
4231 (goto-char (point-max))
4233 (let ((scroll-in-place nil))
4237 (beginning-of-buffer
4238 (goto-char (point-min))))
4239 (move-to-window-line 0)))))
4241 (defun gnus-article-refer-article ()
4242 "Read article specified by message-id around point."
4244 (let ((point (point)))
4245 (search-forward ">" nil t) ;Move point to end of "<....>".
4246 (if (re-search-backward "\\(<[^<> \t\n]+>\\)" nil t)
4247 (let ((message-id (match-string 1)))
4249 (set-buffer gnus-summary-buffer)
4250 (gnus-summary-refer-article message-id))
4252 (error "No references around point"))))
4254 (defun gnus-article-show-summary ()
4255 "Reconfigure windows to show summary buffer."
4257 (if (not (gnus-buffer-live-p gnus-summary-buffer))
4258 (error "There is no summary buffer for this article buffer")
4259 (gnus-article-set-globals)
4260 (gnus-configure-windows 'article)
4261 (gnus-summary-goto-subject gnus-current-article)
4262 (gnus-summary-position-point)))
4264 (defun gnus-article-describe-briefly ()
4265 "Describe article mode commands briefly."
4267 (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")))
4269 (defun gnus-article-summary-command ()
4270 "Execute the last keystroke in the summary buffer."
4272 (let ((obuf (current-buffer))
4273 (owin (current-window-configuration))
4275 (switch-to-buffer gnus-article-current-summary 'norecord)
4276 (setq func (lookup-key (current-local-map) (this-command-keys)))
4277 (call-interactively func)
4279 (set-window-configuration owin)
4280 (set-window-point (get-buffer-window (current-buffer)) (point))))
4282 (defun gnus-article-summary-command-nosave ()
4283 "Execute the last keystroke in the summary buffer."
4286 (pop-to-buffer gnus-article-current-summary 'norecord)
4287 (setq func (lookup-key (current-local-map) (this-command-keys)))
4288 (call-interactively func)))
4290 (defun gnus-article-check-buffer ()
4291 "Beep if not in an article buffer."
4292 (unless (equal major-mode 'gnus-article-mode)
4293 (error "Command invoked outside of a Gnus article buffer")))
4295 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
4296 "Read a summary buffer key sequence and execute it from the article buffer."
4298 (gnus-article-check-buffer)
4300 '("q" "Q" "c" "r" "R" "\C-c\C-f" "m" "a" "f" "F"
4301 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
4302 "=" "^" "\M-^" "|"))
4308 '("n" "Gn" "p" "Gp"))
4311 (set-buffer gnus-article-current-summary)
4312 (let (gnus-pick-mode)
4313 (push (or key last-command-event) unread-command-events)
4314 (setq keys (if (featurep 'xemacs)
4315 (events-to-keys (read-key-sequence nil))
4316 (read-key-sequence nil)))))
4320 (if (or (member keys nosaves)
4321 (member keys nosave-but-article)
4322 (member keys nosave-in-article))
4324 (save-window-excursion
4325 (pop-to-buffer gnus-article-current-summary 'norecord)
4326 ;; We disable the pick minor mode commands.
4327 (let (gnus-pick-mode)
4328 (setq func (lookup-key (current-local-map) keys))))
4332 (unless (member keys nosave-in-article)
4333 (set-buffer gnus-article-current-summary))
4334 (call-interactively func)
4335 (setq new-sum-point (point)))
4336 (when (member keys nosave-but-article)
4337 (pop-to-buffer gnus-article-buffer 'norecord)))
4338 ;; These commands should restore window configuration.
4339 (let ((obuf (current-buffer))
4340 (owin (current-window-configuration))
4342 (summary gnus-article-current-summary)
4343 func in-buffer selected)
4344 (if not-restore-window
4345 (pop-to-buffer summary 'norecord)
4346 (switch-to-buffer summary 'norecord))
4347 (setq in-buffer (current-buffer))
4348 ;; We disable the pick minor mode commands.
4349 (if (and (setq func (let (gnus-pick-mode)
4350 (lookup-key (current-local-map) keys)))
4353 (call-interactively func)
4354 (setq new-sum-point (point))
4355 (when (eq in-buffer (current-buffer))
4356 (setq selected (gnus-summary-select-article))
4358 (unless not-restore-window
4359 (set-window-configuration owin))
4360 (when (eq selected 'old)
4362 (set-window-start (get-buffer-window (current-buffer))
4364 (set-window-point (get-buffer-window (current-buffer))
4366 (let ((win (get-buffer-window gnus-article-current-summary)))
4368 (set-window-point win new-sum-point)))) )
4369 (switch-to-buffer gnus-article-buffer)
4372 (defun gnus-article-describe-key (key)
4373 "Display documentation of the function invoked by KEY. KEY is a string."
4374 (interactive "kDescribe key: ")
4375 (gnus-article-check-buffer)
4376 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
4378 (set-buffer gnus-article-current-summary)
4379 (let (gnus-pick-mode)
4380 (if (featurep 'xemacs)
4382 (push (elt key 0) unread-command-events)
4383 (setq key (events-to-keys
4384 (read-key-sequence "Describe key: "))))
4385 (setq unread-command-events
4387 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
4388 (string-to-list key)))
4389 (setq key (read-key-sequence "Describe key: "))))
4391 (describe-key key)))
4393 (defun gnus-article-describe-key-briefly (key &optional insert)
4394 "Display documentation of the function invoked by KEY. KEY is a string."
4395 (interactive "kDescribe key: \nP")
4396 (gnus-article-check-buffer)
4397 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
4399 (set-buffer gnus-article-current-summary)
4400 (let (gnus-pick-mode)
4401 (if (featurep 'xemacs)
4403 (push (elt key 0) unread-command-events)
4404 (setq key (events-to-keys
4405 (read-key-sequence "Describe key: "))))
4406 (setq unread-command-events
4408 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
4409 (string-to-list key)))
4410 (setq key (read-key-sequence "Describe key: "))))
4411 (describe-key-briefly key insert))
4412 (describe-key-briefly key insert)))
4414 (defun gnus-article-hide (&optional arg force)
4415 "Hide all the gruft in the current article.
4416 This means that PGP stuff, signatures, cited text and (some)
4417 headers will be hidden.
4418 If given a prefix, show the hidden text instead."
4419 (interactive (append (gnus-article-hidden-arg) (list 'force)))
4420 (gnus-article-hide-headers arg)
4421 (gnus-article-hide-list-identifiers arg)
4422 (gnus-article-hide-pgp arg)
4423 (gnus-article-hide-citation-maybe arg force)
4424 (gnus-article-hide-signature arg))
4426 (defun gnus-article-maybe-highlight ()
4427 "Do some article highlighting if article highlighting is requested."
4428 (when (gnus-visual-p 'article-highlight 'highlight)
4429 (gnus-article-highlight-some)))
4431 (defun gnus-check-group-server ()
4432 ;; Make sure the connection to the server is alive.
4433 (unless (gnus-server-opened
4434 (gnus-find-method-for-group gnus-newsgroup-name))
4435 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
4436 (gnus-request-group gnus-newsgroup-name t)))
4438 (defun gnus-request-article-this-buffer (article group)
4439 "Get an article and insert it into this buffer."
4440 (let (do-update-line sparse-header)
4444 (gnus-kill-all-overlays)
4445 (setq group (or group gnus-newsgroup-name))
4447 ;; Using `gnus-request-article' directly will insert the article into
4448 ;; `nntp-server-buffer' - so we'll save some time by not having to
4449 ;; copy it from the server buffer into the article buffer.
4451 ;; We only request an article by message-id when we do not have the
4452 ;; headers for it, so we'll have to get those.
4453 (when (stringp article)
4454 (gnus-read-header article))
4456 ;; If the article number is negative, that means that this article
4457 ;; doesn't belong in this newsgroup (possibly), so we find its
4458 ;; message-id and request it by id instead of number.
4459 (when (and (numberp article)
4461 (get-buffer gnus-summary-buffer)
4462 (gnus-buffer-exists-p gnus-summary-buffer))
4464 (set-buffer gnus-summary-buffer)
4465 (let ((header (gnus-summary-article-header article)))
4468 ((memq article gnus-newsgroup-sparse)
4469 ;; This is a sparse gap article.
4470 (setq do-update-line article)
4471 (setq article (mail-header-id header))
4472 (setq sparse-header (gnus-read-header article))
4473 (setq gnus-newsgroup-sparse
4474 (delq article gnus-newsgroup-sparse)))
4476 ;; It's a real article.
4477 (setq article (mail-header-id header)))
4479 ;; It is an extracted pseudo-article.
4480 (setq article 'pseudo)
4481 (gnus-request-pseudo-article header))))
4483 (let ((method (gnus-find-method-for-group
4484 gnus-newsgroup-name)))
4485 (when (and (eq (car method) 'nneething)
4487 (let ((dir (expand-file-name
4488 (mail-header-subject header)
4489 (file-name-as-directory
4490 (or (cadr (assq 'nneething-address method))
4492 (when (file-directory-p dir)
4493 (setq article 'nneething)
4494 (gnus-group-enter-directory dir))))))))
4497 ;; Refuse to select canceled articles.
4498 ((and (numberp article)
4500 (get-buffer gnus-summary-buffer)
4501 (gnus-buffer-exists-p gnus-summary-buffer)
4502 (eq (cdr (save-excursion
4503 (set-buffer gnus-summary-buffer)
4504 (assq article gnus-newsgroup-reads)))
4505 gnus-canceled-mark))
4507 ;; We first check `gnus-original-article-buffer'.
4508 ((and (get-buffer gnus-original-article-buffer)
4511 (set-buffer gnus-original-article-buffer)
4512 (and (equal (car gnus-original-article) group)
4513 (eq (cdr gnus-original-article) article))))
4514 (insert-buffer-substring gnus-original-article-buffer)
4516 ;; Check the backlog.
4517 ((and gnus-keep-backlog
4518 (gnus-backlog-request-article group article (current-buffer)))
4520 ;; Check asynchronous pre-fetch.
4521 ((gnus-async-request-fetched-article group article (current-buffer))
4522 (gnus-async-prefetch-next group article gnus-summary-buffer)
4523 (when (and (numberp article) gnus-keep-backlog)
4524 (gnus-backlog-enter-article group article (current-buffer)))
4527 ((and gnus-use-cache
4529 (gnus-cache-request-article article group))
4531 ;; Get the article and put into the article buffer.
4532 ((or (stringp article)
4534 (let ((gnus-override-method gnus-override-method)
4535 (methods (and (stringp article)
4536 gnus-refer-article-method))
4538 (buffer-read-only nil))
4539 (if (or (not (listp methods))
4540 (and (symbolp (car methods))
4541 (assq (car methods) nnoo-definition-alist)))
4542 (setq methods (list methods)))
4543 (when (and (null gnus-override-method)
4545 (setq gnus-override-method (pop methods)))
4547 (when (eq gnus-override-method 'current)
4548 (setq gnus-override-method
4549 (with-current-buffer gnus-summary-buffer
4550 gnus-current-select-method)))
4552 (gnus-kill-all-overlays)
4553 (let ((gnus-newsgroup-name group))
4554 (gnus-check-group-server))
4555 (when (gnus-request-article article group (current-buffer))
4556 (when (numberp article)
4557 (gnus-async-prefetch-next group article
4558 gnus-summary-buffer)
4559 (when gnus-keep-backlog
4560 (gnus-backlog-enter-article
4561 group article (current-buffer))))
4562 (setq result 'article))
4565 (setq gnus-override-method (pop methods))
4566 (setq result 'done))))
4567 (and (eq result 'article) 'article)))
4571 ;; Associate this article with the current summary buffer.
4572 (setq gnus-article-current-summary gnus-summary-buffer)
4574 ;; Take the article from the original article buffer
4575 ;; and place it in the buffer it's supposed to be in.
4576 (when (and (get-buffer gnus-article-buffer)
4577 (equal (buffer-name (current-buffer))
4578 (buffer-name (get-buffer gnus-article-buffer))))
4580 (if (get-buffer gnus-original-article-buffer)
4581 (set-buffer gnus-original-article-buffer)
4582 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
4583 (buffer-disable-undo)
4584 (setq major-mode 'gnus-original-article-mode)
4585 (setq buffer-read-only t))
4586 (let (buffer-read-only)
4588 (insert-buffer-substring gnus-article-buffer))
4589 (setq gnus-original-article (cons group article)))
4592 (run-hooks 'gnus-article-decode-hook)
4593 ;; Mark article as decoded or not.
4594 (setq gnus-article-decoded-p gnus-article-decode-hook))
4596 ;; Update sparse articles.
4597 (when (and do-update-line
4598 (or (numberp article)
4600 (let ((buf (current-buffer)))
4601 (set-buffer gnus-summary-buffer)
4602 (gnus-summary-update-article do-update-line sparse-header)
4603 (gnus-summary-goto-subject do-update-line nil t)
4604 (set-window-point (get-buffer-window (current-buffer) t)
4606 (set-buffer buf))))))
4612 (defcustom gnus-article-edit-mode-hook nil
4613 "Hook run in article edit mode buffers."
4614 :group 'gnus-article-various
4617 (defvar gnus-article-edit-done-function nil)
4619 (defvar gnus-article-edit-mode-map nil)
4621 ;; Should we be using derived.el for this?
4622 (unless gnus-article-edit-mode-map
4623 (setq gnus-article-edit-mode-map (make-sparse-keymap))
4624 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
4626 (gnus-define-keys gnus-article-edit-mode-map
4627 "\C-c\C-c" gnus-article-edit-done
4628 "\C-c\C-k" gnus-article-edit-exit)
4630 (gnus-define-keys (gnus-article-edit-wash-map
4631 "\C-c\C-w" gnus-article-edit-mode-map)
4632 "f" gnus-article-edit-full-stops))
4634 (define-derived-mode gnus-article-edit-mode text-mode "Article Edit"
4635 "Major mode for editing articles.
4636 This is an extended text-mode.
4638 \\{gnus-article-edit-mode-map}"
4639 (make-local-variable 'gnus-article-edit-done-function)
4640 (make-local-variable 'gnus-prev-winconf)
4641 (set (make-local-variable 'font-lock-defaults)
4642 '(message-font-lock-keywords t))
4643 (setq buffer-read-only nil)
4644 (buffer-enable-undo)
4647 (defun gnus-article-edit (&optional force)
4648 "Edit the current article.
4649 This will have permanent effect only in mail groups.
4650 If FORCE is non-nil, allow editing of articles even in read-only
4653 (when (and (not force)
4654 (gnus-group-read-only-p))
4655 (error "The current newsgroup does not support article editing"))
4656 (gnus-article-date-original)
4657 (gnus-article-edit-article
4659 `(lambda (no-highlight)
4661 (gnus-summary-edit-article-done
4662 ,(or (mail-header-references gnus-current-headers) "")
4663 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
4665 (defun gnus-article-edit-article (start-func exit-func)
4666 "Start editing the contents of the current article buffer."
4667 (let ((winconf (current-window-configuration)))
4668 (set-buffer gnus-article-buffer)
4669 (gnus-article-edit-mode)
4670 (funcall start-func)
4671 (set-buffer-modified-p nil)
4672 (gnus-configure-windows 'edit-article)
4673 (setq gnus-article-edit-done-function exit-func)
4674 (setq gnus-prev-winconf winconf)
4675 (gnus-message 6 "C-c C-c to end edits")))
4677 (defun gnus-article-edit-done (&optional arg)
4678 "Update the article edits and exit."
4680 (let ((func gnus-article-edit-done-function)
4681 (buf (current-buffer))
4682 (start (window-start)))
4683 ;; We remove all text props from the article buffer.
4685 (buffer-substring-no-properties (point-min) (point-max)))
4689 (let ((winconf gnus-prev-winconf))
4691 (set-window-configuration winconf)
4692 ;; Tippy-toe some to make sure that point remains where it was.
4693 (save-current-buffer
4695 (set-window-start (get-buffer-window (current-buffer)) start)
4699 (let ((buffer-read-only nil))
4701 ;; The cache and backlog have to be flushed somewhat.
4702 (when gnus-keep-backlog
4703 (gnus-backlog-remove-article
4704 (car gnus-article-current) (cdr gnus-article-current)))
4705 ;; Flush original article as well.
4707 (when (get-buffer gnus-original-article-buffer)
4708 (set-buffer gnus-original-article-buffer)
4709 (setq gnus-original-article nil)))
4710 (when gnus-use-cache
4711 (gnus-cache-update-article
4712 (car gnus-article-current) (cdr gnus-article-current))))
4714 (set-window-start (get-buffer-window buf) start)
4715 (set-window-point (get-buffer-window buf) (point))))
4717 (defun gnus-article-edit-exit ()
4718 "Exit the article editing without updating."
4720 (when (or (not (buffer-modified-p))
4721 (yes-or-no-p "Article modified; kill anyway? "))
4722 (let ((curbuf (current-buffer))
4724 (window-start (window-start)))
4726 (if (gnus-buffer-live-p gnus-original-article-buffer)
4727 (insert-buffer gnus-original-article-buffer))
4728 (let ((winconf gnus-prev-winconf))
4730 (set-window-configuration winconf)
4731 ;; Tippy-toe some to make sure that point remains where it was.
4732 (save-current-buffer
4734 (set-window-start (get-buffer-window (current-buffer)) window-start)
4737 (defun gnus-article-edit-full-stops ()
4738 "Interactively repair spacing at end of sentences."
4741 (goto-char (point-min))
4742 (search-forward-regexp "^$" nil t)
4743 (let ((case-fold-search nil))
4744 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
4747 ;;; Article highlights
4750 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
4752 ;;; Internal Variables:
4754 (defcustom gnus-button-url-regexp "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-zA-Z0-9_.]+:[0-9]*\\)?\\([-a-zA-Z0-9_=!?#$@~`%&*+|\\/:;.,]\\|\\w\\)+\\([-a-zA-Z0-9_=#$@~`%&*+|\\/]\\|\\w\\)\\)"
4755 "Regular expression that matches URLs."
4756 :group 'gnus-article-buttons
4759 (defcustom gnus-button-alist
4760 `(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
4761 0 t gnus-button-handle-news 3)
4762 ("\\b\\(nntp\\|news\\):\\([^>\n\t ]*@[^>)!;:,\n\t ]*\\)" 0 t
4763 gnus-button-handle-news 2)
4764 ("\\(\\b<\\(url:[>\n\t ]*\\)?news:[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
4766 gnus-button-fetch-group 4)
4767 ("\\bnews:\\(//\\)?\\([^'\">\n\t ]+\\)" 0 t gnus-button-fetch-group 2)
4768 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)" 2
4769 t gnus-button-message-id 3)
4770 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>" 0 t gnus-url-mailto 2)
4771 ("mailto:\\([-a-zA-Z.@_+0-9%=?]+\\)" 0 t gnus-url-mailto 1)
4772 ("\\bmailto:\\([^ \n\t]+\\)" 0 t gnus-url-mailto 1)
4774 ("\\binfo:\\(//\\)?\\([^'\">\n\t ]+\\)" 0 t
4775 gnus-button-handle-info 2)
4776 ;; This is how URLs _should_ be embedded in text...
4777 ("<URL: *\\([^<>]*\\)>" 0 t gnus-button-embedded-url 1)
4779 (,gnus-button-url-regexp 0 t browse-url 0))
4780 "*Alist of regexps matching buttons in article bodies.
4782 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
4783 REGEXP: is the string matching text around the button,
4784 BUTTON: is the number of the regexp grouping actually matching the button,
4785 FORM: is a lisp expression which must eval to true for the button to
4787 CALLBACK: is the function to call when the user push this button, and each
4788 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
4790 CALLBACK can also be a variable, in that case the value of that
4791 variable it the real callback function."
4792 :group 'gnus-article-buttons
4793 :type '(repeat (list regexp
4794 (integer :tag "Button")
4796 (function :tag "Callback")
4799 (integer :tag "Regexp group")))))
4801 (defcustom gnus-header-button-alist
4802 `(("^\\(References\\|Message-I[Dd]\\):" "<[^<>]+>"
4803 0 t gnus-button-message-id 0)
4804 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$" 1 t gnus-button-reply 1)
4805 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
4806 0 t gnus-button-mailto 0)
4807 ("^X-[Uu][Rr][Ll]:" ,gnus-button-url-regexp 0 t browse-url 0)
4808 ("^Subject:" ,gnus-button-url-regexp 0 t browse-url 0)
4809 ("^[^:]+:" ,gnus-button-url-regexp 0 t browse-url 0)
4810 ("^[^:]+:" "\\(<\\(url: \\)?news:\\([^>\n ]*\\)>\\)" 1 t
4811 gnus-button-message-id 3))
4812 "*Alist of headers and regexps to match buttons in article heads.
4814 This alist is very similar to `gnus-button-alist', except that each
4815 alist has an additional HEADER element first in each entry:
4817 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
4819 HEADER is a regexp to match a header. For a fuller explanation, see
4820 `gnus-button-alist'."
4821 :group 'gnus-article-buttons
4822 :group 'gnus-article-headers
4823 :type '(repeat (list (regexp :tag "Header")
4825 (integer :tag "Button")
4827 (function :tag "Callback")
4830 (integer :tag "Regexp group")))))
4832 (defvar gnus-button-regexp nil)
4833 (defvar gnus-button-marker-list nil)
4834 ;; Regexp matching any of the regexps from `gnus-button-alist'.
4836 (defvar gnus-button-last nil)
4837 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
4841 (defun gnus-article-push-button (event)
4842 "Check text under the mouse pointer for a callback function.
4843 If the text under the mouse pointer has a `gnus-callback' property,
4844 call it with the value of the `gnus-data' text property."
4846 (set-buffer (window-buffer (posn-window (event-start event))))
4847 (let* ((pos (posn-point (event-start event)))
4848 (data (get-text-property pos 'gnus-data))
4849 (fun (get-text-property pos 'gnus-callback)))
4852 (funcall fun data))))
4854 (defun gnus-article-press-button ()
4855 "Check text at point for a callback function.
4856 If the text at point has a `gnus-callback' property,
4857 call it with the value of the `gnus-data' text property."
4859 (let* ((data (get-text-property (point) 'gnus-data))
4860 (fun (get-text-property (point) 'gnus-callback)))
4862 (funcall fun data))))
4864 (defun gnus-article-highlight (&optional force)
4865 "Highlight current article.
4866 This function calls `gnus-article-highlight-headers',
4867 `gnus-article-highlight-citation',
4868 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
4869 do the highlighting. See the documentation for those functions."
4870 (interactive (list 'force))
4871 (gnus-article-highlight-headers)
4872 (gnus-article-highlight-citation force)
4873 (gnus-article-highlight-signature)
4874 (gnus-article-add-buttons force)
4875 (gnus-article-add-buttons-to-head))
4877 (defun gnus-article-highlight-some (&optional force)
4878 "Highlight current article.
4879 This function calls `gnus-article-highlight-headers',
4880 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
4881 do the highlighting. See the documentation for those functions."
4882 (interactive (list 'force))
4883 (gnus-article-highlight-headers)
4884 (gnus-article-highlight-signature)
4885 (gnus-article-add-buttons))
4887 (defun gnus-article-highlight-headers ()
4888 "Highlight article headers as specified by `gnus-header-face-alist'."
4891 (set-buffer gnus-article-buffer)
4893 (let ((alist gnus-header-face-alist)
4894 (buffer-read-only nil)
4895 (case-fold-search t)
4896 (inhibit-point-motion-hooks t)
4897 entry regexp header-face field-face from hpoints fpoints)
4898 (article-narrow-to-head)
4899 (while (setq entry (pop alist))
4900 (goto-char (point-min))
4901 (setq regexp (concat "^\\("
4902 (if (string-equal "" (nth 0 entry))
4906 header-face (nth 1 entry)
4907 field-face (nth 2 entry))
4908 (while (and (re-search-forward regexp nil t)
4912 (unless (search-forward ":" nil t)
4914 (when (and header-face
4915 (not (memq (point) hpoints)))
4916 (push (point) hpoints)
4917 (gnus-put-text-property from (point) 'face header-face))
4918 (when (and field-face
4919 (not (memq (setq from (point)) fpoints)))
4921 (if (re-search-forward "^[^ \t]" nil t)
4923 (goto-char (point-max)))
4924 (gnus-put-text-property from (point) 'face field-face))))))))
4926 (defun gnus-article-highlight-signature ()
4927 "Highlight the signature in an article.
4928 It does this by highlighting everything after
4929 `gnus-signature-separator' using `gnus-signature-face'."
4932 (set-buffer gnus-article-buffer)
4933 (let ((buffer-read-only nil)
4934 (inhibit-point-motion-hooks t))
4936 (when (and gnus-signature-face
4937 (gnus-article-narrow-to-signature))
4938 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
4939 'face gnus-signature-face)
4941 (gnus-article-search-signature)
4942 (let ((start (match-beginning 0))
4943 (end (set-marker (make-marker) (1+ (match-end 0)))))
4944 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
4947 (defun gnus-button-in-region-p (b e prop)
4948 "Say whether PROP exists in the region."
4949 (text-property-not-all b e prop nil))
4951 (defun gnus-article-add-buttons (&optional force)
4952 "Find external references in the article and make buttons of them.
4953 \"External references\" are things like Message-IDs and URLs, as
4954 specified by `gnus-button-alist'."
4955 (interactive (list 'force))
4957 (set-buffer gnus-article-buffer)
4958 (let ((buffer-read-only nil)
4959 (inhibit-point-motion-hooks t)
4960 (case-fold-search t)
4961 (alist gnus-button-alist)
4963 ;; Remove all old markers.
4964 (let (marker entry new-list)
4965 (while (setq marker (pop gnus-button-marker-list))
4966 (if (or (< marker (point-min)) (>= marker (point-max)))
4967 (push marker new-list)
4969 (when (setq entry (gnus-button-entry))
4970 (put-text-property (match-beginning (nth 1 entry))
4971 (match-end (nth 1 entry))
4972 'gnus-callback nil))
4973 (set-marker marker nil)))
4974 (setq gnus-button-marker-list new-list))
4975 ;; We skip the headers.
4978 (while (setq entry (pop alist))
4979 (setq regexp (car entry))
4981 (while (re-search-forward regexp nil t)
4982 (let* ((start (and entry (match-beginning (nth 1 entry))))
4983 (end (and entry (match-end (nth 1 entry))))
4984 (from (match-beginning 0)))
4985 (when (and (or (eq t (nth 2 entry))
4986 (eval (nth 2 entry)))
4987 (not (gnus-button-in-region-p
4988 start end 'gnus-callback)))
4989 ;; That optional form returned non-nil, so we add the
4991 (gnus-article-add-button
4992 start end 'gnus-button-push
4993 (car (push (set-marker (make-marker) from)
4994 gnus-button-marker-list))))))))))
4996 ;; Add buttons to the head of an article.
4997 (defun gnus-article-add-buttons-to-head ()
4998 "Add buttons to the head of the article."
5001 (set-buffer gnus-article-buffer)
5003 (let ((buffer-read-only nil)
5004 (inhibit-point-motion-hooks t)
5005 (case-fold-search t)
5006 (alist gnus-header-button-alist)
5008 (article-narrow-to-head)
5010 ;; Each alist entry.
5011 (setq entry (car alist)
5013 (goto-char (point-min))
5014 (while (re-search-forward (car entry) nil t)
5015 ;; Each header matching the entry.
5016 (setq beg (match-beginning 0))
5017 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
5018 (match-beginning 0))
5021 (while (re-search-forward (nth 1 entry) end t)
5022 ;; Each match within a header.
5023 (let* ((entry (cdr entry))
5024 (start (match-beginning (nth 1 entry)))
5025 (end (match-end (nth 1 entry)))
5026 (form (nth 2 entry)))
5027 (goto-char (match-end 0))
5029 (gnus-article-add-button
5030 start end (nth 3 entry)
5031 (buffer-substring (match-beginning (nth 4 entry))
5032 (match-end (nth 4 entry)))))))
5033 (goto-char end)))))))
5035 ;;; External functions:
5037 (defun gnus-article-add-button (from to fun &optional data)
5038 "Create a button between FROM and TO with callback FUN and data DATA."
5039 (when gnus-article-button-face
5040 (gnus-overlay-put (gnus-make-overlay from to)
5041 'face gnus-article-button-face))
5042 (gnus-add-text-properties
5044 (nconc (and gnus-article-mouse-face
5045 (list gnus-mouse-face-prop gnus-article-mouse-face))
5046 (list 'gnus-callback fun)
5047 (and data (list 'gnus-data data))))
5048 (widget-convert-button 'link from to :action 'gnus-widget-press-button
5049 :button-keymap gnus-widget-button-keymap))
5051 ;;; Internal functions:
5053 (defun gnus-article-set-globals ()
5055 (set-buffer gnus-summary-buffer)
5056 (gnus-set-global-variables)))
5058 (defun gnus-signature-toggle (end)
5060 (set-buffer gnus-article-buffer)
5061 (let ((buffer-read-only nil)
5062 (inhibit-point-motion-hooks t))
5063 (if (text-property-any end (point-max) 'article-type 'signature)
5065 (setq gnus-article-wash-types
5066 (delq 'signature gnus-article-wash-types))
5067 (gnus-remove-text-properties-when
5068 'article-type 'signature end (point-max)
5069 (cons 'article-type (cons 'signature
5070 gnus-hidden-properties))))
5071 (or (memq 'signature gnus-article-wash-types)
5072 (push 'signature gnus-article-wash-types))
5073 (gnus-add-text-properties-when
5074 'article-type nil end (point-max)
5075 (cons 'article-type (cons 'signature
5076 gnus-hidden-properties)))))
5077 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
5078 (gnus-set-mode-line 'article))))
5080 (defun gnus-button-entry ()
5081 ;; Return the first entry in `gnus-button-alist' matching this place.
5082 (let ((alist gnus-button-alist)
5085 (setq entry (pop alist))
5086 (if (looking-at (car entry))
5091 (defun gnus-button-push (marker)
5092 ;; Push button starting at MARKER.
5095 (let* ((entry (gnus-button-entry))
5096 (inhibit-point-motion-hooks t)
5098 (args (mapcar (lambda (group)
5099 (let ((string (match-string group)))
5100 (gnus-set-text-properties
5101 0 (length string) nil string)
5108 (fboundp (symbol-value fun)))
5109 (apply (symbol-value fun) args))
5111 (gnus-message 1 "You must define `%S' to use this button"
5112 (cons fun args)))))))
5114 (defun gnus-parse-news-url (url)
5115 (let (scheme server group message-id articles)
5118 (goto-char (point-min))
5119 (when (looking-at "\\([A-Za-z]+\\):")
5120 (setq scheme (match-string 1))
5121 (goto-char (match-end 0)))
5122 (when (looking-at "//\\([^/]+\\)/")
5123 (setq server (match-string 1))
5124 (goto-char (match-end 0)))
5127 ((looking-at "\\(.*@.*\\)")
5128 (setq message-id (match-string 1)))
5129 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
5130 (setq group (match-string 1)
5131 articles (split-string (match-string 2) "-")))
5132 ((looking-at "\\([^/]+\\)/?")
5133 (setq group (match-string 1)))
5135 (error "Unknown news URL syntax"))))
5136 (list scheme server group message-id articles)))
5138 (defun gnus-button-handle-news (url)
5140 (destructuring-bind (scheme server group message-id articles)
5141 (gnus-parse-news-url url)
5145 (set-buffer gnus-summary-buffer)
5147 (let ((gnus-refer-article-method (list (list 'nntp server))))
5148 (gnus-summary-refer-article message-id))
5149 (gnus-summary-refer-article message-id))))
5151 (gnus-button-fetch-group url)))))
5153 (defun gnus-button-handle-info (url)
5154 "Fetch an info URL."
5156 "^\\([^:/]+\\)?/\\(.*\\)"
5158 (gnus-info-find-node
5159 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
5162 (gnus-url-unhex-string (match-string 2 url))))
5163 (error "Can't parse %s" url)))
5165 (defun gnus-button-message-id (message-id)
5168 (set-buffer gnus-summary-buffer)
5169 (gnus-summary-refer-article message-id)))
5171 (defun gnus-button-fetch-group (address)
5172 "Fetch GROUP specified by ADDRESS."
5173 (if (not (string-match "[:/]" address))
5174 ;; This is just a simple group url.
5175 (gnus-group-read-ephemeral-group address gnus-select-method)
5178 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
5180 (error "Can't parse %s" address)
5181 (gnus-group-read-ephemeral-group
5182 (match-string 4 address)
5183 `(nntp ,(match-string 1 address)
5184 (nntp-address ,(match-string 1 address))
5185 (nntp-port-number ,(if (match-end 3)
5186 (match-string 3 address)
5189 (and (match-end 6) (list (string-to-int (match-string 6 address))))))))
5191 (defun gnus-url-parse-query-string (query &optional downcase)
5192 (let (retval pairs cur key val)
5193 (setq pairs (split-string query "&"))
5195 (setq cur (car pairs)
5197 (if (not (string-match "=" cur))
5199 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
5200 val (gnus-url-unhex-string (substring cur (match-end 0) nil)))
5202 (setq key (downcase key)))
5203 (setq cur (assoc key retval))
5205 (setcdr cur (cons val (cdr cur)))
5206 (setq retval (cons (list key val) retval)))))
5209 (defun gnus-url-unhex (x)
5216 (defun gnus-url-unhex-string (str &optional allow-newlines)
5217 "Remove %XXX embedded spaces, etc in a url.
5218 If optional second argument ALLOW-NEWLINES is non-nil, then allow the
5219 decoding of carriage returns and line feeds in the string, which is normally
5220 forbidden in URL encoding."
5221 (setq str (or (mm-subst-char-in-string ?+ ? str) ""))
5223 (case-fold-search t))
5224 (while (string-match "%[0-9a-f][0-9a-f]" str)
5225 (let* ((start (match-beginning 0))
5226 (ch1 (gnus-url-unhex (elt str (+ start 1))))
5228 (gnus-url-unhex (elt str (+ start 2))))))
5230 tmp (substring str 0 start)
5233 (char-to-string code))
5234 ((or (= code ?\n) (= code ?\r))
5236 (t (char-to-string code))))
5237 str (substring str (match-end 0)))))
5238 (setq tmp (concat tmp str))
5241 (defun gnus-url-mailto (url)
5242 ;; Send mail to someone
5243 (when (string-match "mailto:/*\\(.*\\)" url)
5244 (setq url (substring url (match-beginning 1) nil)))
5245 (let (to args subject func)
5246 (if (string-match (regexp-quote "?") url)
5247 (setq to (gnus-url-unhex-string (substring url 0 (match-beginning 0)))
5248 args (gnus-url-parse-query-string
5249 (substring url (match-end 0) nil) t))
5250 (setq to (gnus-url-unhex-string url)))
5251 (setq args (cons (list "to" to) args)
5252 subject (cdr-safe (assoc "subject" args)))
5255 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
5258 (message-position-on-field (caar args)))
5259 (insert (mapconcat 'identity (cdar args) ", "))
5260 (setq args (cdr args)))
5263 (message-goto-subject))))
5265 (defun gnus-button-embedded-url (address)
5266 "Activate ADDRESS with `browse-url'."
5267 (browse-url (gnus-strip-whitespace address)))
5269 ;;; Next/prev buttons in the article buffer.
5271 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
5272 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
5274 (defvar gnus-prev-page-map nil)
5275 (unless gnus-prev-page-map
5276 (setq gnus-prev-page-map (make-sparse-keymap))
5277 (define-key gnus-prev-page-map gnus-mouse-2 'gnus-button-prev-page)
5278 (define-key gnus-prev-page-map "\r" 'gnus-button-prev-page))
5280 (defun gnus-insert-prev-page-button ()
5281 (let ((buffer-read-only nil))
5283 gnus-prev-page-line-format nil
5284 `(gnus-prev t local-map ,gnus-prev-page-map
5285 gnus-callback gnus-article-button-prev-page
5286 article-type annotation))))
5288 (defvar gnus-next-page-map nil)
5289 (unless gnus-next-page-map
5290 (setq gnus-next-page-map (make-keymap))
5291 (suppress-keymap gnus-prev-page-map)
5292 (define-key gnus-next-page-map gnus-mouse-2 'gnus-button-next-page)
5293 (define-key gnus-next-page-map "\r" 'gnus-button-next-page))
5295 (defun gnus-button-next-page ()
5296 "Go to the next page."
5298 (let ((win (selected-window)))
5299 (select-window (get-buffer-window gnus-article-buffer t))
5300 (gnus-article-next-page)
5301 (select-window win)))
5303 (defun gnus-button-prev-page ()
5304 "Go to the prev page."
5306 (let ((win (selected-window)))
5307 (select-window (get-buffer-window gnus-article-buffer t))
5308 (gnus-article-prev-page)
5309 (select-window win)))
5311 (defun gnus-insert-next-page-button ()
5312 (let ((buffer-read-only nil))
5313 (gnus-eval-format gnus-next-page-line-format nil
5315 t local-map ,gnus-next-page-map
5316 gnus-callback gnus-article-button-next-page
5317 article-type annotation))))
5319 (defun gnus-article-button-next-page (arg)
5320 "Go to the next page."
5322 (let ((win (selected-window)))
5323 (select-window (get-buffer-window gnus-article-buffer t))
5324 (gnus-article-next-page)
5325 (select-window win)))
5327 (defun gnus-article-button-prev-page (arg)
5328 "Go to the prev page."
5330 (let ((win (selected-window)))
5331 (select-window (get-buffer-window gnus-article-buffer t))
5332 (gnus-article-prev-page)
5333 (select-window win)))
5335 (defvar gnus-decode-header-methods
5336 '(mail-decode-encoded-word-region)
5337 "List of methods used to decode headers.
5339 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
5340 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
5341 (REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
5342 whose names match REGEXP.
5345 ((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
5346 mail-decode-encoded-word-region
5347 (\"chinese\" . rfc1843-decode-region))
5350 (defvar gnus-decode-header-methods-cache nil)
5352 (defun gnus-multi-decode-header (start end)
5353 "Apply the functions from `gnus-encoded-word-methods' that match."
5354 (unless (and gnus-decode-header-methods-cache
5355 (eq gnus-newsgroup-name
5356 (car gnus-decode-header-methods-cache)))
5357 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
5360 (nconc gnus-decode-header-methods-cache (list x))
5361 (if (and gnus-newsgroup-name
5362 (string-match (car x) gnus-newsgroup-name))
5363 (nconc gnus-decode-header-methods-cache
5365 gnus-decode-header-methods))
5366 (let ((xlist gnus-decode-header-methods-cache))
5369 (narrow-to-region start end)
5371 (funcall (pop xlist) (point-min) (point-max))))))
5374 ;;; Treatment top-level handling.
5377 (defun gnus-treat-article (condition &optional part-number total-parts type)
5378 (let ((length (- (point-max) (point-min)))
5379 (alist gnus-treatment-function-alist)
5380 (article-goto-body-goes-to-point-min-p t)
5384 (let ((list gnus-article-treat-types))
5386 (when (string-match (pop list) type)
5387 (throw 'found t)))))))
5388 (highlightp (gnus-visual-p 'article-highlight 'highlight))
5390 (gnus-run-hooks 'gnus-part-display-hook)
5391 (while (setq elem (pop alist))
5394 (if (gnus-buffer-live-p gnus-summary-buffer)
5395 (set-buffer gnus-summary-buffer))
5396 (symbol-value (car elem))))
5397 (when (and (or (consp val)
5399 (gnus-treat-predicate val)
5400 (or (not (get (car elem) 'highlight))
5403 (funcall (cadr elem)))))))
5405 ;; Dynamic variables.
5407 (defvar part-number)
5408 (defvar total-parts)
5413 (defun gnus-treat-predicate (val)
5418 (stringp (car val)))
5419 (apply 'gnus-or (mapcar `(lambda (s)
5420 (string-match s ,(or gnus-newsgroup-name "")))
5423 (let ((pred (pop val)))
5426 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
5428 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
5430 (not (gnus-treat-predicate (car val))))
5432 (equal (car val) type))
5434 (error "%S is not a valid predicate" pred)))))
5442 (eq part-number total-parts))
5446 (error "%S is not a valid value" val))))
5448 (defun gnus-article-encrypt-body (protocol &optional n)
5449 "Encrypt the article body."
5452 (or gnus-article-encrypt-protocol
5453 (completing-read "Encrypt protocol: "
5454 gnus-article-encrypt-protocol-alist
5456 current-prefix-arg))
5457 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
5459 (error (format "Can't find the encrypt protocol %s" protocol)))
5460 (if (equal gnus-newsgroup-name "nndraft:drafts")
5461 (error "Can't encrypt the article in group nndraft:drafts"))
5462 (if (equal gnus-newsgroup-name "nndraft:queue")
5463 (error "Don't encrypt the article in group nndraft:queue"))
5464 (gnus-summary-iterate n
5466 (set-buffer gnus-summary-buffer)
5467 (let ((mail-parse-charset gnus-newsgroup-charset)
5468 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
5469 (summary-buffer gnus-summary-buffer)
5471 (gnus-set-global-variables)
5472 (when (gnus-group-read-only-p)
5473 (error "The current newsgroup does not support article encrypt"))
5474 (gnus-summary-show-article t)
5476 (or (mail-header-references gnus-current-headers) ""))
5477 (set-buffer gnus-article-buffer)
5478 (let* ((buffer-read-only nil)
5480 (mapcar (lambda (field)
5481 (and (save-restriction
5482 (message-narrow-to-head)
5483 (goto-char (point-min))
5484 (search-forward field nil t))
5486 (message-narrow-to-field)
5487 (buffer-substring (point-min) (point-max))
5488 (delete-region (point-min) (point-max))
5490 '("Content-Type:" "Content-Transfer-Encoding:"
5491 "Content-Disposition:"))))
5492 (message-narrow-to-head)
5493 (message-remove-header "MIME-Version")
5494 (goto-char (point-max))
5495 (setq point (point))
5496 (insert (apply 'concat headers))
5498 (narrow-to-region point (point-max))
5499 (let ((message-options message-options))
5500 (message-options-set 'message-sender user-mail-address)
5501 (message-options-set 'message-recipients user-mail-address)
5502 (message-options-set 'message-sign-encrypt 'not)
5504 (goto-char (point-min))
5505 (insert "MIME-Version: 1.0\n")
5507 (gnus-summary-edit-article-done
5508 references nil summary-buffer t))
5509 (when gnus-keep-backlog
5510 (gnus-backlog-remove-article
5511 (car gnus-article-current) (cdr gnus-article-current)))
5513 (when (get-buffer gnus-original-article-buffer)
5514 (set-buffer gnus-original-article-buffer)
5515 (setq gnus-original-article nil)))
5516 (when gnus-use-cache
5517 (gnus-cache-update-article
5518 (car gnus-article-current) (cdr gnus-article-current))))))))
5520 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
5521 "The following specs can be used:
5522 %t The security MIME type
5525 %D Details if button is pressed")
5527 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
5528 "The following specs can be used:
5529 %t The security MIME type
5532 %D Details if button is pressed")
5534 (defvar gnus-mime-security-button-line-format-alist
5535 '((?t gnus-tmp-type ?s)
5536 (?i gnus-tmp-info ?s)
5537 (?d gnus-tmp-details ?s)
5538 (?D gnus-tmp-pressed-details ?s)))
5540 (defvar gnus-mime-security-button-map
5541 (let ((map (make-sparse-keymap)))
5542 (unless (>= (string-to-number emacs-version) 21)
5543 (set-keymap-parent map gnus-article-mode-map))
5544 (define-key map gnus-mouse-2 'gnus-article-push-button)
5545 (define-key map "\r" 'gnus-article-press-button)
5548 (defvar gnus-mime-security-details-buffer nil)
5550 (defvar gnus-mime-security-button-pressed nil)
5552 (defvar gnus-mime-security-show-details-inline t
5553 "If non-nil, show details in the article buffer.")
5555 (defun gnus-mime-security-verify-or-decrypt (handle)
5556 (mm-remove-parts (cdr handle))
5557 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
5558 point buffer-read-only)
5560 (goto-char (car region)))
5562 (narrow-to-region (point) (point))
5563 (with-current-buffer (mm-handle-multipart-original-buffer handle)
5564 (let* ((mm-verify-option 'known)
5565 (mm-decrypt-option 'known)
5566 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
5567 (unless (eq nparts (cdr handle))
5568 (mm-destroy-parts (cdr handle))
5569 (setcdr handle nparts))))
5570 (setq point (point))
5571 (gnus-mime-display-security handle)
5572 (goto-char (point-max)))
5574 (delete-region (point) (cdr region))
5575 (set-marker (car region) nil)
5576 (set-marker (cdr region) nil))
5579 (defun gnus-mime-security-show-details (handle)
5580 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
5582 (if gnus-mime-security-show-details-inline
5583 (let ((gnus-mime-security-button-pressed t)
5584 (gnus-mime-security-button-line-format
5585 (get-text-property (point) 'gnus-line-format))
5588 (while (eq (get-text-property (point) 'gnus-line-format)
5589 gnus-mime-security-button-line-format)
5593 (narrow-to-region (point) (point))
5594 (gnus-insert-mime-security-button handle))
5595 (delete-region (point)
5596 (or (text-property-not-all
5599 gnus-mime-security-button-line-format)
5601 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
5602 (with-current-buffer gnus-mime-security-details-buffer
5605 (setq gnus-mime-security-details-buffer
5606 (gnus-get-buffer-create "*MIME Security Details*")))
5607 (with-current-buffer gnus-mime-security-details-buffer
5609 (goto-char (point-min)))
5610 (pop-to-buffer gnus-mime-security-details-buffer))
5611 (gnus-message 5 "No details."))))
5613 (defun gnus-mime-security-press-button (handle)
5614 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
5615 (gnus-mime-security-show-details handle)
5616 (gnus-mime-security-verify-or-decrypt handle)))
5618 (defun gnus-insert-mime-security-button (handle &optional displayed)
5619 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
5622 (or (nth 2 (assoc protocol mm-verify-function-alist))
5623 (nth 2 (assoc protocol mm-decrypt-function-alist))
5625 (if (equal (car handle) "multipart/signed")
5626 " Signed" " Encrypted")
5629 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
5632 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
5633 gnus-tmp-pressed-details
5635 (setq gnus-tmp-details
5636 (if gnus-tmp-details
5637 (concat "\n" gnus-tmp-details) ""))
5638 (setq gnus-tmp-pressed-details
5639 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
5644 gnus-mime-security-button-line-format
5645 gnus-mime-security-button-line-format-alist
5646 `(keymap ,gnus-mime-security-button-map
5647 ,@(if (>= (string-to-number emacs-version) 21)
5648 nil ;; XEmacs doesn't care
5649 (list 'local-map gnus-mime-security-button-map))
5650 gnus-callback gnus-mime-security-press-button
5651 gnus-line-format ,gnus-mime-security-button-line-format
5652 article-type annotation
5655 (widget-convert-button
5658 :action 'gnus-widget-press-button
5659 :button-keymap gnus-mime-security-button-map
5661 (lambda (widget/window &optional overlay pos)
5662 ;; Needed to properly clear the message due to a bug in
5663 ;; wid-edit (XEmacs only).
5664 (if (boundp 'help-echo-owns-message)
5665 (setq help-echo-owns-message t))
5668 (aref gnus-mouse-2 0))))))
5670 (defun gnus-mime-display-security (handle)
5672 (narrow-to-region (point) (point))
5673 (unless (gnus-unbuttonized-mime-type-p (car handle))
5674 (gnus-insert-mime-security-button handle))
5675 (gnus-mime-display-mixed (cdr handle))
5678 (unless (gnus-unbuttonized-mime-type-p (car handle))
5679 (let ((gnus-mime-security-button-line-format
5680 gnus-mime-security-button-end-line-format))
5681 (gnus-insert-mime-security-button handle)))
5682 (mm-set-handle-multipart-parameter
5684 (cons (set-marker (make-marker) (point-min))
5685 (set-marker (make-marker) (point-max))))))
5691 (run-hooks 'gnus-art-load-hook)
5693 ;;; gnus-art.el ends here