1 ;;; gnus-art.el --- article mode commands for Semi-gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001
3 ;; Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
6 ;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
7 ;; Katsumi Yamaoka <yamaoka@jpl.org>
8 ;; Keywords: mail, news, MIME
10 ;; This file is part of GNU Emacs.
12 ;; GNU Emacs is free software; you can redistribute it and/or modify
13 ;; it under the terms of the GNU General Public License as published by
14 ;; the Free Software Foundation; either version 2, or (at your option)
17 ;; GNU Emacs is distributed in the hope that it will be useful,
18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 ;; GNU General Public License for more details.
22 ;; You should have received a copy of the GNU General Public License
23 ;; along with GNU Emacs; see the file COPYING. If not, write to the
24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
25 ;; Boston, MA 02111-1307, USA.
31 (eval-when-compile (require 'cl))
32 (eval-when-compile (require 'static))
43 ;; Avoid byte-compile warnings.
52 (autoload 'gnus-msg-mail "gnus-msg" nil t)
53 (autoload 'gnus-button-mailto "gnus-msg")
54 (autoload 'gnus-button-reply "gnus-msg" nil t)
56 (defgroup gnus-article nil
58 :link '(custom-manual "(gnus)The Article Buffer")
61 (defgroup gnus-article-treat nil
62 "Treating article parts."
63 :link '(custom-manual "(gnus)Article Hiding")
66 (defgroup gnus-article-hiding nil
67 "Hiding article parts."
68 :link '(custom-manual "(gnus)Article Hiding")
71 (defgroup gnus-article-highlight nil
72 "Article highlighting."
73 :link '(custom-manual "(gnus)Article Highlighting")
77 (defgroup gnus-article-signature nil
79 :link '(custom-manual "(gnus)Article Signature")
82 (defgroup gnus-article-headers nil
84 :link '(custom-manual "(gnus)Hiding Headers")
87 (defgroup gnus-article-washing nil
88 "Special commands on articles."
89 :link '(custom-manual "(gnus)Article Washing")
92 (defgroup gnus-article-emphasis nil
93 "Fontisizing articles."
94 :link '(custom-manual "(gnus)Article Fontisizing")
97 (defgroup gnus-article-saving nil
99 :link '(custom-manual "(gnus)Saving Articles")
100 :group 'gnus-article)
102 (defgroup gnus-article-mime nil
103 "Worshiping the MIME wonder."
104 :link '(custom-manual "(gnus)Using MIME")
105 :group 'gnus-article)
107 (defgroup gnus-article-buttons nil
108 "Pushable buttons in the article buffer."
109 :link '(custom-manual "(gnus)Article Buttons")
110 :group 'gnus-article)
112 (defgroup gnus-article-various nil
113 "Other article options."
114 :link '(custom-manual "(gnus)Misc Article")
115 :group 'gnus-article)
117 (defcustom gnus-ignored-headers
118 '("^Path:" "^Expires:" "^Date-Received:" "^References:" "^Xref:" "^Lines:"
119 "^Relay-Version:" "^Message-ID:" "^Approved:" "^Sender:" "^Received:"
120 "^X-UIDL:" "^MIME-Version:" "^Return-Path:" "^In-Reply-To:"
121 "^Content-Type:" "^Content-Transfer-Encoding:" "^X-WebTV-Signature:"
122 "^X-MimeOLE:" "^X-MSMail-Priority:" "^X-Priority:" "^X-Loop:"
123 "^X-Authentication-Warning:" "^X-MIME-Autoconverted:" "^X-Face:"
124 "^X-Attribution:" "^X-Originating-IP:" "^Delivered-To:"
125 "^NNTP-[-A-Za-z]+:" "^Distribution:" "^X-no-archive:" "^X-Trace:"
126 "^X-Complaints-To:" "^X-NNTP-Posting-Host:" "^X-Orig.*:"
127 "^Abuse-Reports-To:" "^Cache-Post-Path:" "^X-Article-Creation-Date:"
128 "^X-Poster:" "^X-Mail2News-Path:" "^X-Server-Date:" "^X-Cache:"
129 "^Originator:" "^X-Problems-To:" "^X-Auth-User:" "^X-Post-Time:"
130 "^X-Admin:" "^X-UID:" "^Resent-[-A-Za-z]+:" "^X-Mailing-List:"
131 "^Precedence:" "^Original-[-A-Za-z]+:" "^X-filename:" "^X-Orcpt:"
132 "^Old-Received:" "^X-Pgp" "^X-Auth:" "^X-From-Line:"
133 "^X-Gnus-Article-Number:" "^X-Majordomo:" "^X-Url:" "^X-Sender:"
134 "^MBOX-Line" "^Priority:" "^X400-[-A-Za-z]+:"
135 "^Status:" "^X-Gnus-Mail-Source:" "^Cancel-Lock:"
136 "^X-FTN" "^X-EXP32-SerialNo:" "^Encoding:" "^Importance:"
137 "^Autoforwarded:" "^Original-Encoded-Information-Types:" "^X-Ya-Pop3:"
138 "^X-Face-Version:" "^X-Vms-To:" "^X-ML-NAME:" "^X-ML-COUNT:"
139 "^Mailing-List:" "^X-finfo:" "^X-md5sum:" "^X-md5sum-Origin:"
140 "^X-Sun-Charset:" "^X-Accept-Language:" "^X-Envelope-Sender:"
141 "^List-[A-Za-z]+:" "^X-Listprocessor-Version:"
142 "^X-Received:" "^X-Distribute:" "^X-Sequence:" "^X-Juno-Line-Breaks:"
143 "^X-Notes-Item:" "^X-MS-TNEF-Correlator:" "^x-uunet-gateway:"
144 "^X-Received:" "^Content-length:" "X-precedence:"
145 "^X-Authenticated-User:" "^X-Comment" "^X-Report:" "^X-Abuse-Info:"
146 "^X-HTTP-Proxy:" "^X-Mydeja-Info:" "^X-Copyright" "^X-No-Markup:"
148 "*All headers that start with this regexp will be hidden.
149 This variable can also be a list of regexps of headers to be ignored.
150 If `gnus-visible-headers' is non-nil, this variable will be ignored."
151 :type '(choice :custom-show nil
154 :group 'gnus-article-hiding)
156 (defcustom gnus-visible-headers
157 "^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:"
158 "*All headers that do not match this regexp will be hidden.
159 This variable can also be a list of regexp of headers to remain visible.
160 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
161 :type '(repeat :value-to-internal (lambda (widget value)
162 (custom-split-regexp-maybe value))
163 :match (lambda (widget value)
165 (widget-editable-list-match widget value)))
167 :group 'gnus-article-hiding)
169 (defcustom gnus-sorted-header-list
170 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
171 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
172 "*This variable is a list of regular expressions.
173 If it is non-nil, headers that match the regular expressions will
174 be placed first in the article buffer in the sequence specified by
176 :type '(repeat regexp)
177 :group 'gnus-article-hiding)
179 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
180 "Headers that are only to be displayed if they have interesting data.
181 Possible values in this list are `empty', `newsgroups', `followup-to',
182 `to-address', `reply-to', `date', `long-to', and `many-to'."
183 :type '(set (const :tag "Headers with no content." empty)
184 (const :tag "Newsgroups with only one group." newsgroups)
185 (const :tag "To identical to to-address." to-address)
186 (const :tag "Followup-to identical to newsgroups." followup-to)
187 (const :tag "Reply-to identical to from." reply-to)
188 (const :tag "Date less than four days old." date)
189 (const :tag "Very long To and/or Cc header." long-to)
190 (const :tag "Multiple To and/or Cc headers." many-to))
191 :group 'gnus-article-hiding)
193 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
194 "Regexp matching signature separator.
195 This can also be a list of regexps. In that case, it will be checked
196 from head to tail looking for a separator. Searches will be done from
197 the end of the buffer."
198 :type '(repeat string)
199 :group 'gnus-article-signature)
201 (defcustom gnus-signature-limit nil
202 "Provide a limit to what is considered a signature.
203 If it is a number, no signature may not be longer (in characters) than
204 that number. If it is a floating point number, no signature may be
205 longer (in lines) than that number. If it is a function, the function
206 will be called without any parameters, and if it returns nil, there is
207 no signature in the buffer. If it is a string, it will be used as a
208 regexp. If it matches, the text in question is not a signature."
209 :type '(choice (integer :value 200)
211 (function :value fun)
212 (regexp :value ".*"))
213 :group 'gnus-article-signature)
215 (defcustom gnus-hidden-properties '(invisible t intangible t)
216 "Property list to use for hiding text."
218 :group 'gnus-article-hiding)
220 ;; Fixme: This isn't the right thing for mixed graphical and and
221 ;; non-graphical frames in a session.
222 ;; gnus-xmas.el overrides this for XEmacs.
223 (defcustom gnus-article-x-face-command
225 ((and (fboundp 'image-type-available-p)
226 (module-installed-p 'x-face-e21))
227 'x-face-decode-message-header)
228 ((and (fboundp 'image-type-available-p)
229 (image-type-available-p 'xbm))
230 'gnus-article-display-xface)
231 ((and (not (featurep 'xemacs))
233 (module-installed-p 'x-face-mule))
234 'x-face-mule-gnus-article-display-x-face)
235 (gnus-article-compface-xbm
236 "{ echo '/* Width=48, Height=48 */'; uncompface; } | display -")
238 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
240 "*String or function to be executed to display an X-Face header.
241 If it is a string, the command will be executed in a sub-shell
242 asynchronously. The compressed face will be piped to this command."
243 :type '(choice string
245 :tag "x-face-decode-message-header (x-face-e21)"
246 x-face-decode-message-header)
247 (function-item gnus-article-display-xface)
248 (function-item x-face-mule-gnus-article-display-x-face)
251 :group 'gnus-article-washing)
253 (defcustom gnus-article-x-face-too-ugly nil
254 "Regexp matching posters whose face shouldn't be shown automatically."
255 :type '(choice regexp (const nil))
256 :group 'gnus-article-washing)
258 (defcustom gnus-article-banner-alist nil
259 "Banner alist for stripping.
261 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
263 :type '(repeat (cons symbol regexp))
264 :group 'gnus-article-washing)
266 (gnus-define-group-parameter
269 "Alist of regexps (to match group names) and banner."
270 :variable-group gnus-article-washing
272 '(choice :tag "Banner"
274 (const :tag "Remove signature" signature)
275 (symbol :tag "Item in `gnus-article-banner-alist'" none)
277 (const :tag "None" nil))
279 "If non-nil, specify how to remove `banners' from articles.
281 Symbol `signature' means to remove signatures delimited by
282 `gnus-signature-separator'. Any other symbol is used to look up a
283 regular expression to match the banner in `gnus-article-banner-alist'.
284 A string is used as a regular expression to match the banner
287 (defcustom gnus-emphasis-alist
289 "\\(\\s-\\|^\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\s-\\|[-,;:\"]\\s-\\|[?!.]+\\s-\\|\\s)\\)")
291 '(("_" "_" underline)
294 ("_/" "/_" underline-italic)
295 ("_\\*" "\\*_" underline-bold)
296 ("\\*/" "/\\*" bold-italic)
297 ("_\\*/" "/\\*_" underline-bold-italic))))
298 `(("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
299 2 3 gnus-emphasis-underline)
303 (format format (car spec) (car (cdr spec)))
304 2 3 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
306 "*Alist that says how to fontify certain phrases.
307 Each item looks like this:
309 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
311 The first element is a regular expression to be matched. The second
312 is a number that says what regular expression grouping used to find
313 the entire emphasized word. The third is a number that says what
314 regexp grouping should be displayed and highlighted. The fourth
315 is the face used for highlighting."
316 :type '(repeat (list :value ("" 0 0 default)
318 (integer :tag "Match group")
319 (integer :tag "Emphasize group")
321 :group 'gnus-article-emphasis)
323 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
324 "A regexp to describe whitespace which should not be emphasized.
325 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
326 The former avoids underlining of leading and trailing whitespace,
327 and the latter avoids underlining any whitespace at all."
329 :group 'gnus-article-emphasis
332 (defface gnus-emphasis-bold '((t (:bold t)))
333 "Face used for displaying strong emphasized text (*word*)."
334 :group 'gnus-article-emphasis)
336 (defface gnus-emphasis-italic '((t (:italic t)))
337 "Face used for displaying italic emphasized text (/word/)."
338 :group 'gnus-article-emphasis)
340 (defface gnus-emphasis-underline '((t (:underline t)))
341 "Face used for displaying underlined emphasized text (_word_)."
342 :group 'gnus-article-emphasis)
344 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
345 "Face used for displaying underlined bold emphasized text (_*word*_)."
346 :group 'gnus-article-emphasis)
348 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
349 "Face used for displaying underlined italic emphasized text (_/word/_)."
350 :group 'gnus-article-emphasis)
352 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
353 "Face used for displaying bold italic emphasized text (/*word*/)."
354 :group 'gnus-article-emphasis)
356 (defface gnus-emphasis-underline-bold-italic
357 '((t (:bold t :italic t :underline t)))
358 "Face used for displaying underlined bold italic emphasized text.
359 Esample: (_/*word*/_)."
360 :group 'gnus-article-emphasis)
362 (defface gnus-emphasis-highlight-words
363 '((t (:background "black" :foreground "yellow")))
364 "Face used for displaying highlighted words."
365 :group 'gnus-article-emphasis)
367 (defcustom gnus-article-time-format "%a, %b %d %Y %T %Z"
368 "Format for display of Date headers in article bodies.
369 See `format-time-string' for the possible values.
371 The variable can also be function, which should return a complete Date
372 header. The function is called with one argument, the time, which can
373 be fed to `format-time-string'."
374 :type '(choice string symbol)
375 :link '(custom-manual "(gnus)Article Date")
376 :group 'gnus-article-washing)
379 (autoload 'mail-extract-address-components "mail-extr"))
381 (defcustom gnus-save-all-headers t
382 "*If non-nil, don't remove any headers before saving."
383 :group 'gnus-article-saving
386 (defcustom gnus-prompt-before-saving 'always
387 "*This variable says how much prompting is to be done when saving articles.
388 If it is nil, no prompting will be done, and the articles will be
389 saved to the default files. If this variable is `always', each and
390 every article that is saved will be preceded by a prompt, even when
391 saving large batches of articles. If this variable is neither nil not
392 `always', there the user will be prompted once for a file name for
393 each invocation of the saving commands."
394 :group 'gnus-article-saving
395 :type '(choice (item always)
396 (item :tag "never" nil)
397 (sexp :tag "once" :format "%t\n" :value t)))
399 (defcustom gnus-saved-headers gnus-visible-headers
400 "Headers to keep if `gnus-save-all-headers' is nil.
401 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
402 If that variable is nil, however, all headers that match this regexp
403 will be kept while the rest will be deleted before saving."
404 :group 'gnus-article-saving
407 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
408 "A function to save articles in your favourite format.
409 The function must be interactively callable (in other words, it must
410 be an Emacs command).
412 Gnus provides the following functions:
414 * gnus-summary-save-in-rmail (Rmail format)
415 * gnus-summary-save-in-mail (Unix mail format)
416 * gnus-summary-save-in-folder (MH folder)
417 * gnus-summary-save-in-file (article format)
418 * gnus-summary-save-in-vm (use VM's folder format)
419 * gnus-summary-write-to-file (article format -- overwrite)."
420 :group 'gnus-article-saving
421 :type '(radio (function-item gnus-summary-save-in-rmail)
422 (function-item gnus-summary-save-in-mail)
423 (function-item gnus-summary-save-in-folder)
424 (function-item gnus-summary-save-in-file)
425 (function-item gnus-summary-save-in-vm)
426 (function-item gnus-summary-write-to-file)))
428 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
429 "A function generating a file name to save articles in Rmail format.
430 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
431 :group 'gnus-article-saving
434 (defcustom gnus-mail-save-name 'gnus-plain-save-name
435 "A function generating a file name to save articles in Unix mail format.
436 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
437 :group 'gnus-article-saving
440 (defcustom gnus-folder-save-name 'gnus-folder-save-name
441 "A function generating a file name to save articles in MH folder.
442 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
443 :group 'gnus-article-saving
446 (defcustom gnus-file-save-name 'gnus-numeric-save-name
447 "A function generating a file name to save articles in article format.
448 The function is called with NEWSGROUP, HEADERS, and optional
450 :group 'gnus-article-saving
453 (defcustom gnus-split-methods
454 '((gnus-article-archive-name)
455 (gnus-article-nndoc-name))
456 "*Variable used to suggest where articles are to be saved.
457 For instance, if you would like to save articles related to Gnus in
458 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
459 you could set this variable to something like:
461 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
462 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
464 This variable is an alist where the where the key is the match and the
465 value is a list of possible files to save in if the match is non-nil.
467 If the match is a string, it is used as a regexp match on the
468 article. If the match is a symbol, that symbol will be funcalled
469 from the buffer of the article to be saved with the newsgroup as the
470 parameter. If it is a list, it will be evaled in the same buffer.
472 If this form or function returns a string, this string will be used as
473 a possible file name; and if it returns a non-nil list, that list will
474 be used as possible file names."
475 :group 'gnus-article-saving
476 :type '(repeat (choice (list :value (fun) function)
477 (cons :value ("" "") regexp (repeat string))
480 (defcustom gnus-article-display-method-for-mime
481 'gnus-article-display-mime-message
482 "Function to display a MIME message.
483 The function is called from the article buffer."
484 :group 'gnus-article-mime
487 (defcustom gnus-article-display-method-for-traditional
488 'gnus-article-display-traditional-message
489 "*Function to display a traditional message.
490 The function is called from the article buffer."
491 :group 'gnus-article-mime
494 (defcustom gnus-page-delimiter "^\^L"
495 "*Regexp describing what to use as article page delimiters.
496 The default value is \"^\^L\", which is a form linefeed at the
497 beginning of a line."
499 :group 'gnus-article-various)
501 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
502 "*The format specification for the article mode line.
503 See `gnus-summary-mode-line-format' for a closer description.
505 The following additional specs are available:
507 %w The article washing status.
508 %m The number of MIME parts in the article."
510 :group 'gnus-article-various)
512 (defcustom gnus-article-mode-hook nil
513 "*A hook for Gnus article mode."
515 :group 'gnus-article-various)
517 (when (featurep 'xemacs)
518 ;; Extracted from gnus-xmas-define in order to preserve user settings
519 (when (fboundp 'turn-off-scroll-in-place)
520 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
521 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
522 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
524 (defcustom gnus-article-menu-hook nil
525 "*Hook run after the creation of the article mode menu."
527 :group 'gnus-article-various)
529 (defcustom gnus-article-prepare-hook nil
530 "*A hook called after an article has been prepared in the article buffer."
532 :group 'gnus-article-various)
534 (defcustom gnus-article-hide-pgp-hook nil
535 "*A hook called after successfully hiding a PGP signature."
537 :group 'gnus-article-various)
539 (defcustom gnus-article-button-face 'bold
540 "Face used for highlighting buttons in the article buffer.
542 An article button is a piece of text that you can activate by pressing
543 `RET' or `mouse-2' above it."
545 :group 'gnus-article-buttons)
547 (defcustom gnus-article-mouse-face 'highlight
548 "Face used for mouse highlighting in the article buffer.
550 Article buttons will be displayed in this face when the cursor is
553 :group 'gnus-article-buttons)
555 (defcustom gnus-signature-face 'gnus-signature-face
556 "Face used for highlighting a signature in the article buffer.
557 Obsolete; use the face `gnus-signature-face' for customizations instead."
559 :group 'gnus-article-highlight
560 :group 'gnus-article-signature)
562 (defface gnus-signature-face
565 "Face used for highlighting a signature in the article buffer."
566 :group 'gnus-article-highlight
567 :group 'gnus-article-signature)
569 (defface gnus-header-from-face
572 (:foreground "spring green"))
575 (:foreground "red3"))
578 "Face used for displaying from headers."
579 :group 'gnus-article-headers
580 :group 'gnus-article-highlight)
582 (defface gnus-header-subject-face
585 (:foreground "SeaGreen3"))
588 (:foreground "red4"))
590 (:bold t :italic t)))
591 "Face used for displaying subject headers."
592 :group 'gnus-article-headers
593 :group 'gnus-article-highlight)
595 (defface gnus-header-newsgroups-face
598 (:foreground "yellow" :italic t))
601 (:foreground "MidnightBlue" :italic t))
604 "Face used for displaying newsgroups headers."
605 :group 'gnus-article-headers
606 :group 'gnus-article-highlight)
608 (defface gnus-header-name-face
611 (:foreground "SeaGreen"))
614 (:foreground "maroon"))
617 "Face used for displaying header names."
618 :group 'gnus-article-headers
619 :group 'gnus-article-highlight)
621 (defface gnus-header-content-face
624 (:foreground "forest green" :italic t))
627 (:foreground "indianred4" :italic t))
629 (:italic t))) "Face used for displaying header content."
630 :group 'gnus-article-headers
631 :group 'gnus-article-highlight)
633 (defcustom gnus-header-face-alist
634 '(("From" nil gnus-header-from-face)
635 ("Subject" nil gnus-header-subject-face)
636 ("Newsgroups:.*," nil gnus-header-newsgroups-face)
637 ("" gnus-header-name-face gnus-header-content-face))
638 "*Controls highlighting of article header.
640 An alist of the form (HEADER NAME CONTENT).
642 HEADER is a regular expression which should match the name of an
643 header header and NAME and CONTENT are either face names or nil.
645 The name of each header field will be displayed using the face
646 specified by the first element in the list where HEADER match the
647 header name and NAME is non-nil. Similarly, the content will be
648 displayed by the first non-nil matching CONTENT face."
649 :group 'gnus-article-headers
650 :group 'gnus-article-highlight
651 :type '(repeat (list (regexp :tag "Header")
653 (item :tag "skip" nil)
654 (face :value default))
655 (choice :tag "Content"
656 (item :tag "skip" nil)
657 (face :value default)))))
659 (defcustom gnus-article-decode-hook nil
660 "*Hook run to decode charsets in articles."
661 :group 'gnus-article-headers
664 (defcustom gnus-display-mime-function 'gnus-display-mime
665 "Function to display MIME articles."
666 :group 'gnus-article-mime
669 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
670 "Function used to decode headers.")
672 (defvar gnus-article-dumbquotes-map
691 "Table for MS-to-Latin1 translation.")
693 (defcustom gnus-ignored-mime-types nil
694 "List of MIME types that should be ignored by Gnus."
696 :group 'gnus-article-mime
697 :type '(repeat regexp))
699 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
700 "List of MIME types that should not be given buttons when rendered inline."
702 :group 'gnus-article-mime
703 :type '(repeat regexp))
705 (defcustom gnus-article-mime-part-function nil
706 "Function called with a MIME handle as the argument.
707 This is meant for people who want to do something automatic based
708 on parts -- for instance, adding Vcard info to a database."
709 :group 'gnus-article-mime
712 (defcustom gnus-mime-multipart-functions nil
713 "An alist of MIME types to functions to display them."
715 :group 'gnus-article-mime
718 (defcustom gnus-article-date-lapsed-new-header nil
719 "Whether the X-Sent and Date headers can coexist.
720 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
721 either replace the old \"Date:\" header (if this variable is nil), or
722 be added below it (otherwise)."
724 :group 'gnus-article-headers
727 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
728 "Function called with a MIME handle as the argument.
729 This is meant for people who want to view first matched part.
730 For `undisplayed-alternative' (default), the first undisplayed
731 part or alternative part is used. For `undisplayed', the first
732 undisplayed part is used. For a function, the first part which
733 the function return `t' is used. For `nil', the first part is
736 :group 'gnus-article-mime
738 (item :tag "first" :value nil)
739 (item :tag "undisplayed" :value undisplayed)
740 (item :tag "undisplayed or alternative"
741 :value undisplayed-alternative)
744 (defcustom gnus-mime-action-alist
745 '(("save to file" . gnus-mime-save-part)
746 ("save and strip" . gnus-mime-save-part-and-strip)
747 ("display as text" . gnus-mime-inline-part)
748 ("view the part" . gnus-mime-view-part)
749 ("pipe to command" . gnus-mime-pipe-part)
750 ("toggle display" . gnus-article-press-button)
751 ("toggle display" . gnus-article-view-part-as-charset)
752 ("view as type" . gnus-mime-view-part-as-type)
753 ("internalize type" . gnus-mime-internalize-part)
754 ("externalize type" . gnus-mime-externalize-part))
755 "An alist of actions that run on the MIME attachment."
756 :group 'gnus-article-mime
757 :type '(repeat (cons (string :tag "name")
760 (defcustom gnus-mime-action-alist
761 '(("save to file" . gnus-mime-save-part)
762 ("display as text" . gnus-mime-inline-part)
763 ("view the part" . gnus-mime-view-part)
764 ("pipe to command" . gnus-mime-pipe-part)
765 ("toggle display" . gnus-article-press-button)
766 ("view as type" . gnus-mime-view-part-as-type)
767 ("internalize type" . gnus-mime-internalize-part)
768 ("externalize type" . gnus-mime-externalize-part))
769 "An alist of actions that run on the MIME attachment."
771 :group 'gnus-article-mime
772 :type '(repeat (cons (string :tag "name")
776 ;;; The treatment variables
779 (defvar gnus-part-display-hook nil
780 "Hook called on parts that are to receive treatment.")
782 (defvar gnus-article-treat-custom
783 '(choice (const :tag "Off" nil)
785 (const :tag "Header" head)
786 (const :tag "Last" last)
787 (const :tag "Mime" mime)
788 (integer :tag "Less")
789 (repeat :tag "Groups" regexp)
790 (sexp :tag "Predicate")))
792 (defvar gnus-article-treat-head-custom
793 '(choice (const :tag "Off" nil)
794 (const :tag "Header" head)))
796 (defvar gnus-article-treat-types '("text/plain")
799 (defvar gnus-inhibit-treatment nil
800 "Whether to inhibit treatment.")
802 (defcustom gnus-treat-highlight-signature '(or last (typep "text/x-vcard"))
803 "Highlight the signature.
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-highlight-signature 'highlight t)
810 (defcustom gnus-treat-buttonize 100000
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-custom)
816 (put 'gnus-treat-buttonize 'highlight t)
818 (defcustom gnus-treat-buttonize-head 'head
819 "Add buttons to the head.
820 Valid values are nil, t, `head', `last', an integer or a predicate.
821 See the manual for details."
822 :group 'gnus-article-treat
823 :type gnus-article-treat-head-custom)
824 (put 'gnus-treat-buttonize-head 'highlight t)
826 (defcustom gnus-treat-emphasize
827 (and (or window-system
829 (>= (string-to-number emacs-version) 21))
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)
836 (put 'gnus-treat-emphasize 'highlight t)
838 (defcustom gnus-treat-strip-cr nil
839 "Remove carriage returns.
840 Valid values are nil, t, `head', `last', an integer or a predicate.
841 See the manual for details."
842 :group 'gnus-article-treat
843 :type gnus-article-treat-custom)
845 (defcustom gnus-treat-leading-whitespace nil
846 "Remove leading whitespace in headers.
847 Valid values are nil, t, `head', `last', an integer or a predicate.
848 See the manual for details."
849 :group 'gnus-article-treat
850 :type gnus-article-treat-custom)
852 (defcustom gnus-treat-hide-headers 'head
854 Valid values are nil, t, `head', `last', an integer or a predicate.
855 See the manual for details."
856 :group 'gnus-article-treat
857 :type gnus-article-treat-head-custom)
859 (defcustom gnus-treat-hide-boring-headers nil
860 "Hide boring headers.
861 Valid values are nil, t, `head', `last', an integer or a predicate.
862 See the manual for details."
863 :group 'gnus-article-treat
864 :type gnus-article-treat-head-custom)
866 (defcustom gnus-treat-hide-signature nil
868 Valid values are nil, t, `head', `last', an integer or a predicate.
869 See the manual for details."
870 :group 'gnus-article-treat
871 :type gnus-article-treat-custom)
873 (defcustom gnus-treat-fill-article nil
875 Valid values are nil, t, `head', `last', an integer or a predicate.
876 See the manual for details."
877 :group 'gnus-article-treat
878 :type gnus-article-treat-custom)
880 (defcustom gnus-treat-hide-citation nil
882 Valid values are nil, t, `head', `last', an integer or a predicate.
883 See the manual for details."
884 :group 'gnus-article-treat
885 :type gnus-article-treat-custom)
887 (defcustom gnus-treat-hide-citation-maybe nil
889 Valid values are nil, t, `head', `last', an integer or a predicate.
890 See the manual for details."
891 :group 'gnus-article-treat
892 :type gnus-article-treat-custom)
894 (defcustom gnus-treat-hide-citation-maybe nil
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-list-identifiers 'head
902 "Strip list identifiers from `gnus-list-identifiers`.
903 Valid values are nil, t, `head', `last', an integer or a predicate.
904 See the manual for details."
906 :group 'gnus-article-treat
907 :type gnus-article-treat-custom)
909 (defcustom gnus-treat-strip-pgp t
910 "Strip PGP signatures.
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-strip-pem nil
917 "Strip PEM signatures.
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-custom)
923 (defcustom gnus-treat-strip-banner t
924 "Strip banners from articles.
925 The banner to be stripped is specified in the `banner' group parameter.
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)
931 (defcustom gnus-treat-highlight-headers 'head
932 "Highlight the headers.
933 Valid values are nil, t, `head', `last', an integer or a predicate.
934 See the manual for details."
935 :group 'gnus-article-treat
936 :type gnus-article-treat-head-custom)
937 (put 'gnus-treat-highlight-headers 'highlight t)
939 (defcustom gnus-treat-highlight-citation t
940 "Highlight cited text.
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-custom)
945 (put 'gnus-treat-highlight-citation 'highlight t)
947 (defcustom gnus-treat-date-ut nil
948 "Display the Date in UT (GMT).
949 Valid values are nil, t, `head', `last', an integer or a predicate.
950 See the manual for details."
951 :group 'gnus-article-treat
952 :type gnus-article-treat-head-custom)
954 (defcustom gnus-treat-date-local nil
955 "Display the Date in the local timezone.
956 Valid values are nil, t, `head', `last', an integer or a predicate.
957 See the manual for details."
958 :group 'gnus-article-treat
959 :type gnus-article-treat-head-custom)
961 (defcustom gnus-treat-date-english nil
962 "Display the Date in a format that can be read aloud in English.
963 Valid values are nil, t, `head', `last', an integer or a predicate.
964 See the manual for details."
965 :group 'gnus-article-treat
966 :type gnus-article-treat-head-custom)
968 (defcustom gnus-treat-date-lapsed nil
969 "Display the Date header in a way that says how much time has elapsed.
970 Valid values are nil, t, `head', `last', an integer or a predicate.
971 See the manual for details."
972 :group 'gnus-article-treat
973 :type gnus-article-treat-head-custom)
975 (defcustom gnus-treat-date-original nil
976 "Display the date in the original timezone.
977 Valid values are nil, t, `head', `last', an integer or a predicate.
978 See the manual for details."
979 :group 'gnus-article-treat
980 :type gnus-article-treat-head-custom)
982 (defcustom gnus-treat-date-iso8601 nil
983 "Display the date in the ISO8601 format.
984 Valid values are nil, t, `head', `last', an integer or a predicate.
985 See the manual for details."
987 :group 'gnus-article-treat
988 :type gnus-article-treat-head-custom)
990 (defcustom gnus-treat-date-user-defined nil
991 "Display the date in a user-defined format.
992 The format is defined by the `gnus-article-time-format' variable.
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-head-custom)
998 (defcustom gnus-treat-strip-headers-in-body t
999 "Strip the X-No-Archive header line from the beginning of the body.
1000 Valid values are nil, t, `head', `last', an integer or a predicate.
1001 See the manual for details."
1003 :group 'gnus-article-treat
1004 :type gnus-article-treat-custom)
1006 (defcustom gnus-treat-strip-trailing-blank-lines nil
1007 "Strip trailing blank lines.
1008 Valid values are nil, t, `head', `last', an integer or a predicate.
1009 See the manual for details."
1010 :group 'gnus-article-treat
1011 :type gnus-article-treat-custom)
1013 (defcustom gnus-treat-strip-leading-blank-lines nil
1014 "Strip leading blank lines.
1015 Valid values are nil, t, `head', `last', an integer or a predicate.
1016 See the manual for details."
1017 :group 'gnus-article-treat
1018 :type gnus-article-treat-custom)
1020 (defcustom gnus-treat-strip-multiple-blank-lines nil
1021 "Strip multiple blank lines.
1022 Valid values are nil, t, `head', `last', an integer or a predicate.
1023 See the manual for details."
1024 :group 'gnus-article-treat
1025 :type gnus-article-treat-custom)
1027 (defcustom gnus-treat-overstrike t
1028 "Treat overstrike highlighting.
1029 Valid values are nil, t, `head', `last', an integer or a predicate.
1030 See the manual for details."
1031 :group 'gnus-article-treat
1032 :type gnus-article-treat-custom)
1033 (put 'gnus-treat-overstrike 'highlight t)
1035 (defcustom gnus-treat-display-xface
1036 (and (or (and (fboundp 'image-type-available-p)
1037 (image-type-available-p 'xbm)
1038 (string-match "^0x" (shell-command-to-string "uncompface")))
1039 (and (featurep 'xemacs) (featurep 'xface))
1040 (eq 'x-face-mule-gnus-article-display-x-face
1041 gnus-article-x-face-command))
1043 "Display X-Face headers.
1044 Valid values are nil, t, `head', `last', an integer or a predicate.
1045 See the manual for details."
1046 :group 'gnus-article-treat
1048 :type gnus-article-treat-head-custom)
1049 (put 'gnus-treat-display-xface 'highlight t)
1051 (defcustom gnus-treat-display-smileys
1052 (if (or (and (featurep 'xemacs)
1054 (and (fboundp 'image-type-available-p)
1055 (image-type-available-p 'pbm))
1056 (and (not (featurep 'xemacs))
1058 (module-installed-p 'smiley-mule)))
1062 Valid values are nil, t, `head', `last', an integer or a predicate.
1063 See the manual for details."
1064 :group 'gnus-article-treat
1066 :type gnus-article-treat-custom)
1067 (put 'gnus-treat-display-smileys 'highlight t)
1069 (defcustom gnus-treat-display-picons (if (featurep 'xemacs) 'head nil)
1071 Valid values are nil, t, `head', `last', an integer or a predicate.
1072 See the manual for details."
1073 :group 'gnus-article-treat
1074 :type gnus-article-treat-head-custom)
1075 (put 'gnus-treat-display-picons 'highlight t)
1077 (defcustom gnus-treat-capitalize-sentences nil
1078 "Capitalize sentence-starting words.
1079 Valid values are nil, t, `head', `last', an integer or a predicate.
1080 See the manual for details."
1082 :group 'gnus-article-treat
1083 :type gnus-article-treat-custom)
1085 (defcustom gnus-treat-fill-long-lines nil
1087 Valid values are nil, t, `head', `last', an integer or a predicate.
1088 See the manual for details."
1089 :group 'gnus-article-treat
1090 :type gnus-article-treat-custom)
1092 (defcustom gnus-treat-play-sounds nil
1094 Valid values are nil, t, `head', `last', an integer or a predicate.
1095 See the manual for details."
1097 :group 'gnus-article-treat
1098 :type gnus-article-treat-custom)
1100 (defcustom gnus-treat-decode-article-as-default-mime-charset nil
1101 "Decode an article as `default-mime-charset'. For instance, if you want to
1102 attempt to decode an article even if the value of `gnus-show-mime' is nil,
1103 you could set this variable to something like: nil for don't decode, t for
1104 decode the body, '(or header t) for the whole article, etc."
1105 :group 'gnus-article-treat
1106 :type '(radio (const :tag "Off" nil)
1107 (const :tag "Decode body" t)
1108 (const :tag "Decode all" (or head t))))
1110 (defcustom gnus-treat-translate nil
1111 "Translate articles from one language to another.
1112 Valid values are nil, t, `head', `last', an integer or a predicate.
1113 See the manual for details."
1115 :group 'gnus-article-treat
1116 :type gnus-article-treat-custom)
1118 (defcustom gnus-treat-x-pgp-sig nil
1120 To automatically treat X-PGP-Sig, set it to head.
1121 Valid values are nil, t, `head', `last', an integer or a predicate.
1122 See the manual for details."
1123 :group 'gnus-article-treat
1124 :group 'mime-security
1125 :type gnus-article-treat-custom)
1127 (defvar gnus-article-encrypt-protocol-alist
1128 '(("PGP" . mml2015-self-encrypt)))
1130 ;; Set to nil if more than one protocol added to
1131 ;; gnus-article-encrypt-protocol-alist.
1132 (defcustom gnus-article-encrypt-protocol "PGP"
1133 "The protocol used for encrypt articles.
1134 It is a string, such as \"PGP\". If nil, ask user."
1136 :group 'mime-security)
1138 ;;; Internal variables
1140 (defvar gnus-english-month-names
1141 '("January" "February" "March" "April" "May" "June" "July" "August"
1142 "September" "October" "November" "December"))
1144 (defvar article-goto-body-goes-to-point-min-p nil)
1145 (defvar gnus-article-wash-types nil)
1146 (defvar gnus-article-emphasis-alist nil)
1148 (defvar gnus-article-mime-handle-alist-1 nil)
1149 (defvar gnus-treatment-function-alist
1150 `((gnus-treat-decode-article-as-default-mime-charset
1151 gnus-article-decode-article-as-default-mime-charset)
1152 (gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1153 (gnus-treat-strip-banner gnus-article-strip-banner)
1154 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1155 (gnus-treat-buttonize gnus-article-add-buttons)
1156 (gnus-treat-fill-article gnus-article-fill-cited-article)
1157 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1158 (gnus-treat-strip-cr gnus-article-remove-cr)
1159 (gnus-treat-display-xface gnus-article-display-x-face)
1160 (gnus-treat-date-ut gnus-article-date-ut)
1161 (gnus-treat-date-local gnus-article-date-local)
1162 (gnus-treat-date-english gnus-article-date-english)
1163 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1164 (gnus-treat-date-original gnus-article-date-original)
1165 (gnus-treat-date-user-defined gnus-article-date-user)
1166 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1167 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1168 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1169 (gnus-treat-hide-signature gnus-article-hide-signature)
1170 (gnus-treat-hide-citation gnus-article-hide-citation)
1171 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1172 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1173 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1174 (gnus-treat-strip-pgp gnus-article-hide-pgp)
1175 (gnus-treat-strip-pem gnus-article-hide-pem)
1176 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1177 (gnus-treat-emphasize gnus-article-emphasize)
1178 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1179 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1180 (gnus-treat-strip-trailing-blank-lines
1181 gnus-article-remove-trailing-blank-lines)
1182 (gnus-treat-strip-leading-blank-lines
1183 gnus-article-strip-leading-blank-lines)
1184 (gnus-treat-strip-multiple-blank-lines
1185 gnus-article-strip-multiple-blank-lines)
1186 (gnus-treat-overstrike gnus-article-treat-overstrike)
1187 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1188 (gnus-treat-display-smileys ,(if (or (featurep 'xemacs)
1189 (>= emacs-major-version 21))
1190 'gnus-smiley-display
1191 'gnus-article-smiley-display))
1192 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1193 (gnus-treat-display-picons gnus-article-display-picons)
1194 (gnus-treat-play-sounds gnus-earcon-display)))
1196 (defvar gnus-article-mime-handle-alist nil)
1197 (defvar article-lapsed-timer nil)
1198 (defvar gnus-article-current-summary nil)
1200 (defvar gnus-article-mode-syntax-table
1201 (let ((table (copy-syntax-table text-mode-syntax-table)))
1202 ;; This causes the citation match run O(2^n).
1203 ;; (modify-syntax-entry ?- "w" table)
1204 (modify-syntax-entry ?> ")" table)
1205 (modify-syntax-entry ?< "(" table)
1207 "Syntax table used in article mode buffers.
1208 Initialized from `text-mode-syntax-table.")
1210 (defvar gnus-save-article-buffer nil)
1212 (defvar gnus-article-mode-line-format-alist
1213 (nconc '((?w (gnus-article-wash-status) ?s)
1214 (?m (gnus-article-mime-part-status) ?s))
1215 gnus-summary-mode-line-format-alist))
1217 (defvar gnus-number-of-articles-to-be-saved nil)
1219 (defvar gnus-inhibit-hiding nil)
1221 (defsubst gnus-article-hide-text (b e props)
1222 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1223 (gnus-add-text-properties-when 'article-type nil b e props)
1224 (when (memq 'intangible props)
1226 (max (1- b) (point-min))
1227 b 'intangible (cddr (memq 'intangible props)))))
1229 (defsubst gnus-article-unhide-text (b e)
1230 "Remove hidden text properties from region between B and E."
1231 (remove-text-properties b e gnus-hidden-properties)
1232 (when (memq 'intangible gnus-hidden-properties)
1233 (put-text-property (max (1- b) (point-min))
1234 b 'intangible nil)))
1236 (defun gnus-article-hide-text-type (b e type)
1237 "Hide text of TYPE between B and E."
1238 (push type gnus-article-wash-types)
1239 (gnus-article-hide-text
1240 b e (cons 'article-type (cons type gnus-hidden-properties))))
1242 (defun gnus-article-unhide-text-type (b e type)
1243 "Unhide text of TYPE between B and E."
1244 (setq gnus-article-wash-types
1245 (delq type gnus-article-wash-types))
1246 (remove-text-properties
1247 b e (cons 'article-type (cons type gnus-hidden-properties)))
1248 (when (memq 'intangible gnus-hidden-properties)
1249 (put-text-property (max (1- b) (point-min))
1250 b 'intangible nil)))
1252 (defun gnus-article-hide-text-of-type (type)
1253 "Hide text of TYPE in the current buffer."
1255 (let ((b (point-min))
1257 (while (setq b (text-property-any b e 'article-type type))
1258 (add-text-properties b (incf b) gnus-hidden-properties)))))
1260 (defun gnus-article-delete-text-of-type (type)
1261 "Delete text of TYPE in the current buffer."
1263 (let ((b (point-min)))
1264 (while (setq b (text-property-any b (point-max) 'article-type type))
1266 b (or (text-property-not-all b (point-max) 'article-type type)
1269 (defun gnus-article-delete-invisible-text ()
1270 "Delete all invisible text in the current buffer."
1272 (let ((b (point-min)))
1273 (while (setq b (text-property-any b (point-max) 'invisible t))
1275 b (or (text-property-not-all b (point-max) 'invisible t)
1278 (defun gnus-article-text-type-exists-p (type)
1279 "Say whether any text of type TYPE exists in the buffer."
1280 (text-property-any (point-min) (point-max) 'article-type type))
1282 (defsubst gnus-article-header-rank ()
1283 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1284 (let ((list gnus-sorted-header-list)
1287 (when (looking-at (car list))
1289 (setq list (cdr list))
1293 (defun article-hide-headers (&optional arg delete)
1294 "Hide unwanted headers and possibly sort them as well."
1295 (interactive (gnus-article-hidden-arg))
1296 ;; Lars said that this function might be inhibited.
1297 (if (gnus-article-check-hidden-text 'headers arg)
1299 ;; Show boring headers as well.
1300 (gnus-article-show-hidden-text 'boring-headers)
1301 (when (eq 1 (point-min))
1302 (set-window-start (get-buffer-window (current-buffer)) 1)))
1303 (unless gnus-inhibit-hiding
1306 (let ((inhibit-read-only t)
1307 (case-fold-search t)
1308 (max (1+ (length gnus-sorted-header-list)))
1309 (ignored (when (not gnus-visible-headers)
1310 (cond ((stringp gnus-ignored-headers)
1311 gnus-ignored-headers)
1312 ((listp gnus-ignored-headers)
1313 (mapconcat 'identity gnus-ignored-headers
1316 (cond ((stringp gnus-visible-headers)
1317 gnus-visible-headers)
1318 ((and gnus-visible-headers
1319 (listp gnus-visible-headers))
1320 (mapconcat 'identity gnus-visible-headers "\\|"))))
1321 (inhibit-point-motion-hooks t)
1323 ;; First we narrow to just the headers.
1324 (article-narrow-to-head)
1325 ;; Hide any "From " lines at the beginning of (mail) articles.
1326 (while (looking-at "From ")
1330 (delete-region (point-min) (point))
1331 (gnus-article-hide-text (point-min) (point)
1332 (nconc (list 'article-type 'headers)
1333 gnus-hidden-properties))))
1334 ;; Then treat the rest of the header lines.
1335 ;; Then we use the two regular expressions
1336 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1337 ;; select which header lines is to remain visible in the
1339 (while (re-search-forward "^[^ \t]*:" nil t)
1341 ;; Mark the rank of the header.
1343 (point) (1+ (point)) 'message-rank
1344 (if (or (and visible (looking-at visible))
1346 (not (looking-at ignored))))
1347 (gnus-article-header-rank)
1350 (message-sort-headers-1)
1351 (when (setq beg (text-property-any
1352 (point-min) (point-max) 'message-rank (+ 2 max)))
1353 ;; We delete or make invisible the unwanted headers.
1354 (push 'headers gnus-article-wash-types)
1357 (add-text-properties
1358 (point-min) (+ 5 (point-min))
1359 '(article-type headers dummy-invisible t))
1360 (delete-region beg (point-max)))
1361 (gnus-article-hide-text-type beg (point-max) 'headers))))))))
1364 (defun article-hide-boring-headers (&optional arg)
1365 "Toggle hiding of headers that aren't very interesting.
1366 If given a negative prefix, always show; if given a positive prefix,
1368 (interactive (gnus-article-hidden-arg))
1369 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1370 (not gnus-show-all-headers))
1373 (let ((buffer-read-only nil)
1374 (list gnus-boring-article-headers)
1375 (inhibit-point-motion-hooks t)
1377 (article-narrow-to-head)
1379 (setq elem (pop list))
1380 (goto-char (point-min))
1382 ;; Hide empty headers.
1384 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1386 (gnus-article-hide-text-type
1387 (progn (beginning-of-line) (point))
1390 (if (re-search-forward "^[^ \t]" nil t)
1394 ;; Hide boring Newsgroups header.
1395 ((eq elem 'newsgroups)
1396 (when (gnus-string-equal
1397 (gnus-fetch-field "newsgroups")
1398 (gnus-group-real-name
1399 (if (boundp 'gnus-newsgroup-name)
1402 (gnus-article-hide-header "newsgroups")))
1403 ((eq elem 'to-address)
1404 (let ((to (message-fetch-field "to"))
1406 (gnus-parameter-to-address
1407 (if (boundp 'gnus-newsgroup-name)
1408 gnus-newsgroup-name ""))))
1409 (when (and to to-address
1412 ;; only one address in To
1413 (nth 1 (mail-extract-address-components to))
1415 (gnus-article-hide-header "to"))))
1416 ((eq elem 'followup-to)
1417 (when (gnus-string-equal
1418 (message-fetch-field "followup-to")
1419 (message-fetch-field "newsgroups"))
1420 (gnus-article-hide-header "followup-to")))
1421 ((eq elem 'reply-to)
1422 (let ((from (message-fetch-field "from"))
1423 (reply-to (message-fetch-field "reply-to")))
1428 (nth 1 (mail-extract-address-components from))
1429 (nth 1 (mail-extract-address-components reply-to)))))
1430 (gnus-article-hide-header "reply-to"))))
1432 (let ((date (message-fetch-field "date")))
1434 (< (days-between (current-time-string) date)
1436 (gnus-article-hide-header "date"))))
1438 (let ((to (message-fetch-field "to"))
1439 (cc (message-fetch-field "cc")))
1440 (when (> (length to) 1024)
1441 (gnus-article-hide-header "to"))
1442 (when (> (length cc) 1024)
1443 (gnus-article-hide-header "cc"))))
1447 (goto-char (point-min))
1448 (while (re-search-forward "^to:" nil t)
1449 (setq to-count (1+ to-count)))
1450 (when (> to-count 1)
1451 (while (> to-count 0)
1452 (goto-char (point-min))
1454 (re-search-forward "^to:" nil nil to-count)
1456 (narrow-to-region (point) (point-max))
1457 (gnus-article-hide-header "to"))
1458 (setq to-count (1- to-count))))
1459 (goto-char (point-min))
1460 (while (re-search-forward "^cc:" nil t)
1461 (setq cc-count (1+ cc-count)))
1462 (when (> cc-count 1)
1463 (while (> cc-count 0)
1464 (goto-char (point-min))
1466 (re-search-forward "^cc:" nil nil cc-count)
1468 (narrow-to-region (point) (point-max))
1469 (gnus-article-hide-header "cc"))
1470 (setq cc-count (1- cc-count)))))))))))))
1472 (defun gnus-article-hide-header (header)
1474 (goto-char (point-min))
1475 (when (re-search-forward (concat "^" header ":") nil t)
1476 (gnus-article-hide-text-type
1477 (progn (beginning-of-line) (point))
1480 (if (re-search-forward "^[^ \t]" nil t)
1485 (defun article-toggle-headers (&optional arg)
1486 "Toggle hiding of headers. If given a negative prefix, always show;
1487 if given a positive prefix, always hide."
1488 (interactive (gnus-article-hidden-arg))
1489 (let ((force (when (numberp arg)
1490 (cond ((> arg 0) 'always-hide)
1491 ((< arg 0) 'always-show))))
1492 (window (get-buffer-window gnus-article-buffer))
1493 (header-end (point-min))
1494 header-start field-end field-start
1495 (inhibit-point-motion-hooks t)
1496 (inhibit-read-only t))
1499 (while (and (setq header-start
1500 (text-property-any header-end (point-max)
1501 'article-treated-header t))
1503 (text-property-not-all header-start (point-max)
1504 'article-treated-header t)))
1505 (setq field-end header-start)
1507 (;; Hide exposed invisible fields.
1508 (and (not (eq 'always-show force))
1510 (text-property-any field-end header-end
1511 'exposed-invisible-field t)))
1512 (while (and field-start
1513 (setq field-end (text-property-not-all
1514 field-start header-end
1515 'exposed-invisible-field t)))
1516 (add-text-properties field-start field-end gnus-hidden-properties)
1517 (setq field-start (text-property-any field-end header-end
1518 'exposed-invisible-field t)))
1519 (put-text-property header-start header-end
1520 'exposed-invisible-field nil))
1521 (;; Expose invisible fields.
1522 (and (not (eq 'always-hide force))
1524 (text-property-any field-end header-end 'invisible t)))
1525 (while (and field-start
1526 (setq field-end (text-property-not-all
1527 field-start header-end
1529 ;; If the invisible text is not terminated with newline, we
1530 ;; won't expose it. Because it may be created by x-face-mule.
1531 ;; BTW, XEmacs sometimes fail in putting a invisible text
1532 ;; property with `gnus-article-hide-text' (really?). In that
1533 ;; case, the invisible text might be started from the middle of
1534 ;; a line so we will expose the sort of thing.
1535 (when (or (not (or (eq header-start field-start)
1536 (eq ?\n (char-before field-start))))
1537 (eq ?\n (char-before field-end)))
1538 (remove-text-properties field-start field-end
1539 gnus-hidden-properties)
1540 (put-text-property field-start field-end
1541 'exposed-invisible-field t))
1542 (setq field-start (text-property-any field-end header-end
1545 (not (eq 'always-show force))
1546 (narrow-to-region header-start header-end)
1547 (article-hide-headers)
1548 ;; Re-display X-Face image under XEmacs.
1549 (when (and (featurep 'xemacs)
1550 (gnus-functionp gnus-article-x-face-command))
1551 (let ((func (cadr (assq 'gnus-treat-display-xface
1552 gnus-treatment-function-alist)))
1554 (when (and (not gnus-inhibit-treatment)
1556 (gnus-treat-predicate gnus-treat-display-xface))
1558 (put-text-property header-start header-end 'read-only nil))))
1561 (goto-char (point-min))
1563 (set-window-start window (point-min))))))
1565 (defvar gnus-article-normalized-header-length 40
1566 "Length of normalized headers.")
1568 (defun article-normalize-headers ()
1569 "Make all header lines 40 characters long."
1571 (let ((buffer-read-only nil)
1575 (article-narrow-to-head)
1578 ((< (setq column (- (gnus-point-at-eol) (point)))
1579 gnus-article-normalized-header-length)
1581 (insert (make-string
1582 (- gnus-article-normalized-header-length column)
1584 ((> column gnus-article-normalized-header-length)
1585 (gnus-put-text-property
1587 (forward-char gnus-article-normalized-header-length)
1594 (forward-line 1))))))
1596 (defun article-treat-dumbquotes ()
1597 "Translate M****s*** sm*rtq**t*s into proper text.
1598 Note that this function guesses whether a character is a sm*rtq**t* or
1599 not, so it should only be used interactively.
1601 Sm*rtq**t*s are M****s***'s unilateral extension to the character map
1602 in an attempt to provide more quoting characters. If you see
1603 something like \\222 or \\264 where you're expecting some kind of
1604 apostrophe or quotation mark, then try this wash."
1606 (article-translate-strings gnus-article-dumbquotes-map))
1608 (defun article-translate-characters (from to)
1609 "Translate all characters in the body of the article according to FROM and TO.
1610 FROM is a string of characters to translate from; to is a string of
1611 characters to translate to."
1613 (when (article-goto-body)
1614 (let ((buffer-read-only nil)
1615 (x (make-string 225 ?x))
1617 (while (< (incf i) (length x))
1620 (while (< i (length from))
1621 (aset x (aref from i) (aref to i))
1623 (translate-region (point) (point-max) x)))))
1625 (defun article-translate-strings (map)
1626 "Translate all string in the body of the article according to MAP.
1627 MAP is an alist where the elements are on the form (\"from\" \"to\")."
1629 (when (article-goto-body)
1630 (let ((buffer-read-only nil)
1632 (while (setq elem (pop map))
1634 (while (search-forward (car elem) nil t)
1635 (replace-match (cadr elem)))))))))
1637 (defun article-treat-overstrike ()
1638 "Translate overstrikes into bold text."
1641 (when (article-goto-body)
1642 (let ((buffer-read-only nil))
1643 (while (search-forward "\b" nil t)
1644 (let ((next (char-after))
1648 previous (char-after))
1652 ;; We do the boldification/underlining by hiding the
1653 ;; overstrikes and putting the proper text property
1657 (gnus-article-hide-text-type start (point) 'overstrike)
1658 (put-text-property (point) end 'face 'bold))
1660 (gnus-article-hide-text-type
1661 (1- (point)) (1+ (point)) 'overstrike)
1663 start (1- (point)) 'face 'underline))
1665 (gnus-article-hide-text-type start (point) 'overstrike)
1667 (point) end 'face 'underline)))))))))
1669 (defun article-fill-long-lines ()
1670 "Fill lines that are wider than the window width."
1673 (let ((buffer-read-only nil)
1674 (width (window-width (get-buffer-window (current-buffer)))))
1677 (let ((adaptive-fill-mode nil))
1680 (when (>= (current-column) (min fill-column width))
1681 (narrow-to-region (point) (gnus-point-at-bol))
1682 (fill-paragraph nil)
1683 (goto-char (point-max))
1685 (forward-line 1)))))))
1687 (defun article-capitalize-sentences ()
1688 "Capitalize the first word in each sentence."
1691 (let ((buffer-read-only nil)
1692 (paragraph-start "^[\n\^L]"))
1696 (forward-sentence)))))
1698 (defun article-remove-cr ()
1699 "Remove trailing CRs and then translate remaining CRs into LFs."
1702 (let ((buffer-read-only nil))
1703 (goto-char (point-min))
1704 (while (re-search-forward "\r+$" nil t)
1705 (replace-match "" t t))
1706 (goto-char (point-min))
1707 (while (search-forward "\r" nil t)
1708 (replace-match "\n" t t)))))
1710 (defun article-remove-trailing-blank-lines ()
1711 "Remove all trailing blank lines from the article."
1714 (let ((buffer-read-only nil))
1715 (goto-char (point-max))
1719 (while (and (not (bobp))
1720 (looking-at "^[ \t]*$")
1721 (not (gnus-annotation-in-region-p
1722 (point) (gnus-point-at-eol))))
1727 (defun article-display-x-face (&optional force)
1728 "Look for an X-Face header and display it if present."
1729 (interactive (list 'force))
1731 ;; Delete the old process, if any.
1732 (when (process-status "article-x-face")
1733 (delete-process "article-x-face"))
1734 (let ((inhibit-point-motion-hooks t)
1736 (case-fold-search t)
1739 (article-narrow-to-head)
1740 ;; (when (and buffer-read-only ;; When type `W f'
1742 ;; (goto-char (point-min))
1743 ;; (not (re-search-forward "^X-Face:[\t ]*" nil t)))
1744 ;; (gnus-buffer-live-p gnus-original-article-buffer))
1745 ;; (with-current-buffer gnus-original-article-buffer
1746 ;; (save-restriction
1747 ;; (article-narrow-to-head)
1748 ;; (while (re-search-forward "^X-Face:" nil t)
1752 ;; (buffer-substring
1753 ;; (match-beginning 0)
1754 ;; (1- (re-search-forward
1755 ;; "^\\($\\|[^ \t]\\)" nil t))))))))
1757 ;; (let (point start bface eface buffer-read-only)
1758 ;; (goto-char (point-max))
1759 ;; (forward-line -1)
1760 ;; (setq bface (get-text-property (gnus-point-at-bol) 'face)
1761 ;; eface (get-text-property (1- (gnus-point-at-eol)) 'face))
1762 ;; (goto-char (point-max))
1763 ;; (setq point (point))
1765 ;; (goto-char point)
1766 ;; (while (looking-at "\\([^:]+\\): *")
1767 ;; (put-text-property (match-beginning 1) (1+ (match-end 1))
1769 ;; (setq start (match-end 0))
1771 ;; (while (looking-at "[\t ]")
1772 ;; (forward-line 1))
1773 ;; (put-text-property start (point)
1775 (goto-char (point-min))
1776 (setq from (message-fetch-field "from"))
1777 (goto-char (point-min))
1778 (while (and gnus-article-x-face-command
1781 ;; Check whether this face is censored.
1782 (not gnus-article-x-face-too-ugly)
1783 (and gnus-article-x-face-too-ugly from
1784 (not (string-match gnus-article-x-face-too-ugly
1786 ;; Has to be present.
1787 (re-search-forward "^X-Face:[\t ]*" nil t))
1788 ;; This used to try to do multiple faces (`while' instead of
1789 ;; `when' above), but (a) sending multiple EOFs to xv doesn't
1790 ;; work (b) it can crash some versions of Emacs (c) are
1791 ;; multiple faces really something to encourage?
1792 (when (stringp gnus-article-x-face-command)
1794 ;; We now have the area of the buffer where the X-Face is stored.
1797 (end (1- (re-search-forward "^\\($\\|[^ \t]\\)" nil t))))
1798 ;; We display the face.
1799 (if (symbolp gnus-article-x-face-command)
1800 ;; The command is a lisp function, so we call it.
1801 (if (gnus-functionp gnus-article-x-face-command)
1802 (funcall gnus-article-x-face-command beg end)
1803 (error "%s is not a function" gnus-article-x-face-command))
1804 ;; The command is a string, so we interpret the command
1805 ;; as a, well, command, and fork it off.
1806 (let ((process-connection-type nil))
1807 (process-kill-without-query
1809 "article-x-face" nil shell-file-name shell-command-switch
1810 gnus-article-x-face-command))
1811 (process-send-region "article-x-face" beg end)
1812 (process-send-eof "article-x-face"))))))))))
1814 (defun article-decode-mime-words ()
1815 "Decode all MIME-encoded words in the article."
1818 (set-buffer gnus-article-buffer)
1819 (let ((inhibit-point-motion-hooks t)
1821 (mail-parse-charset gnus-newsgroup-charset)
1822 (mail-parse-ignored-charsets
1823 (save-excursion (set-buffer gnus-summary-buffer)
1824 gnus-newsgroup-ignored-charsets)))
1825 (mail-decode-encoded-word-region (point-min) (point-max)))))
1827 (defun article-decode-charset (&optional prompt)
1828 "Decode charset-encoded text in the article.
1829 If PROMPT (the prefix), prompt for a coding system to use."
1831 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
1833 (mail-parse-charset gnus-newsgroup-charset)
1834 (mail-parse-ignored-charsets
1835 (save-excursion (condition-case nil
1836 (set-buffer gnus-summary-buffer)
1838 gnus-newsgroup-ignored-charsets))
1839 ct cte ctl charset format)
1842 (article-narrow-to-head)
1843 (setq ct (message-fetch-field "Content-Type" t)
1844 cte (message-fetch-field "Content-Transfer-Encoding" t)
1845 ctl (and ct (ignore-errors
1846 (mail-header-parse-content-type ct)))
1849 (mm-read-coding-system "Charset to decode: "))
1851 (mail-content-type-get ctl 'charset)))
1852 format (and ctl (mail-content-type-get ctl 'format)))
1854 (setq cte (mail-header-strip cte)))
1855 (if (and ctl (not (string-match "/" (car ctl))))
1857 (goto-char (point-max)))
1860 (narrow-to-region (point) (point-max))
1861 (when (and (eq mail-parse-charset 'gnus-decoded)
1862 (eq (mm-body-7-or-8) '8bit))
1863 ;; The text code could have been decoded.
1864 (setq charset mail-parse-charset))
1865 (when (and (or (not ctl)
1866 (equal (car ctl) "text/plain"))
1867 (not format)) ;; article with format will decode later.
1869 charset (and cte (intern (downcase
1870 (gnus-strip-whitespace cte))))
1873 (defun article-decode-encoded-words ()
1874 "Remove encoded-word encoding from headers."
1875 (let (buffer-read-only)
1876 (let ((charset (save-excursion
1877 (set-buffer gnus-summary-buffer)
1878 default-mime-charset)))
1879 (mime-decode-header-in-buffer charset)
1882 (defun article-de-quoted-unreadable (&optional force)
1883 "Translate a quoted-printable-encoded article.
1884 If FORCE, decode the article whether it is marked as quoted-printable
1886 (interactive (list 'force))
1888 (let ((buffer-read-only nil) type charset)
1889 (if (gnus-buffer-live-p gnus-original-article-buffer)
1890 (with-current-buffer gnus-original-article-buffer
1892 (gnus-fetch-field "content-transfer-encoding"))
1893 (let* ((ct (gnus-fetch-field "content-type"))
1896 (mail-header-parse-content-type ct)))))
1897 (setq charset (and ctl
1898 (mail-content-type-get ctl 'charset)))
1899 (if (stringp charset)
1900 (setq charset (intern (downcase charset)))))))
1902 (setq charset gnus-newsgroup-charset))
1904 (and type (let ((case-fold-search t))
1905 (string-match "quoted-printable" type))))
1907 (quoted-printable-decode-region
1908 (point) (point-max) (mm-charset-to-coding-system charset))))))
1910 (defun article-de-base64-unreadable (&optional force)
1911 "Translate a base64 article.
1912 If FORCE, decode the article whether it is marked as base64 not."
1913 (interactive (list 'force))
1915 (let ((buffer-read-only nil) type charset)
1916 (if (gnus-buffer-live-p gnus-original-article-buffer)
1917 (with-current-buffer gnus-original-article-buffer
1919 (gnus-fetch-field "content-transfer-encoding"))
1920 (let* ((ct (gnus-fetch-field "content-type"))
1923 (mail-header-parse-content-type ct)))))
1924 (setq charset (and ctl
1925 (mail-content-type-get ctl 'charset)))
1926 (if (stringp charset)
1927 (setq charset (intern (downcase charset)))))))
1929 (setq charset gnus-newsgroup-charset))
1931 (and type (let ((case-fold-search t))
1932 (string-match "base64" type))))
1935 (narrow-to-region (point) (point-max))
1936 (base64-decode-region (point-min) (point-max))
1937 (mm-decode-coding-region
1938 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
1943 (defun article-decode-HZ ()
1944 "Translate a HZ-encoded article."
1948 (let ((buffer-read-only nil))
1949 (rfc1843-decode-region (point-min) (point-max)))))
1951 (defun article-wash-html ()
1952 "Format an html article."
1955 (let ((buffer-read-only nil)
1957 (if (gnus-buffer-live-p gnus-original-article-buffer)
1958 (with-current-buffer gnus-original-article-buffer
1959 (let* ((ct (gnus-fetch-field "content-type"))
1962 (mail-header-parse-content-type ct)))))
1963 (setq charset (and ctl
1964 (mail-content-type-get ctl 'charset)))
1965 (if (stringp charset)
1966 (setq charset (intern (downcase charset)))))))
1968 (setq charset gnus-newsgroup-charset))
1970 (save-window-excursion
1972 (narrow-to-region (point) (point-max))
1974 (let ((w3-strict-width (window-width))
1975 (url-standalone-mode t))
1977 (w3-region (point-min) (point-max))
1980 (defun article-hide-list-identifiers ()
1981 "Remove list identifies from the Subject header.
1982 The `gnus-list-identifiers' variable specifies what to do."
1984 (let ((inhibit-point-motion-hooks t)
1985 (regexp (if (consp gnus-list-identifiers)
1986 (mapconcat 'identity gnus-list-identifiers " *\\|")
1987 gnus-list-identifiers))
1992 (article-narrow-to-head)
1993 (goto-char (point-min))
1994 (while (re-search-forward
1995 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
1997 (delete-region (match-beginning 2) (match-end 0))
1998 (beginning-of-line))
1999 (when (re-search-forward
2000 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2001 (delete-region (match-beginning 1) (match-end 1))))))))
2003 (defun article-hide-pgp ()
2004 "Remove any PGP headers and signatures in the current article."
2008 (let ((inhibit-point-motion-hooks t)
2009 buffer-read-only beg end)
2011 ;; Hide the "header".
2012 (when (re-search-forward "^-----BEGIN PGP SIGNED MESSAGE-----\n" nil t)
2013 (push 'pgp gnus-article-wash-types)
2014 (delete-region (match-beginning 0) (match-end 0))
2015 ;; Remove armor headers (rfc2440 6.2)
2016 (delete-region (point) (or (re-search-forward "^[ \t]*\n" nil t)
2019 ;; Hide the actual signature.
2020 (and (search-forward "\n-----BEGIN PGP SIGNATURE-----\n" nil t)
2021 (setq end (1+ (match-beginning 0)))
2024 (if (search-forward "\n-----END PGP SIGNATURE-----\n" nil t)
2026 ;; Perhaps we shouldn't hide to the end of the buffer
2027 ;; if there is no end to the signature?
2029 ;; Hide "- " PGP quotation markers.
2031 (narrow-to-region beg end)
2032 (goto-char (point-min))
2033 (while (re-search-forward "^- " nil t)
2035 (match-beginning 0) (match-end 0)))
2037 (gnus-run-hooks 'gnus-article-hide-pgp-hook))))))
2039 (defun article-hide-pem (&optional arg)
2040 "Toggle hiding of any PEM headers and signatures in the current article.
2041 If given a negative prefix, always show; if given a positive prefix,
2043 (interactive (gnus-article-hidden-arg))
2044 (unless (gnus-article-check-hidden-text 'pem arg)
2046 (let (buffer-read-only end)
2047 (goto-char (point-min))
2048 ;; Hide the horrendously ugly "header".
2049 (when (and (search-forward
2050 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2052 (setq end (1+ (match-beginning 0))))
2053 (push 'pem gnus-article-wash-types)
2054 (gnus-article-hide-text-type
2056 (if (search-forward "\n\n" nil t)
2060 ;; Hide the trailer as well
2061 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2063 (gnus-article-hide-text-type
2064 (match-beginning 0) (match-end 0) 'pem)))))))
2066 (defun article-strip-banner ()
2067 "Strip the banner specified by the `banner' group parameter."
2071 (let ((inhibit-point-motion-hooks t)
2072 (banner (gnus-parameter-banner gnus-newsgroup-name))
2073 (gnus-signature-limit nil)
2074 buffer-read-only beg end)
2078 ((eq banner 'signature)
2079 (when (gnus-article-narrow-to-signature)
2082 (delete-region (point) (point-max))))
2084 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2085 (while (re-search-forward banner nil t)
2086 (delete-region (match-beginning 0) (match-end 0)))))
2088 (while (re-search-forward banner nil t)
2089 (delete-region (match-beginning 0) (match-end 0))))))))))
2091 (defun article-babel ()
2092 "Translate article using an online translation service."
2096 (set-buffer gnus-article-buffer)
2097 (when (article-goto-body)
2098 (let* ((buffer-read-only nil)
2101 (orig (buffer-substring start end))
2102 (trans (babel-as-string orig)))
2104 (narrow-to-region start end)
2105 (delete-region start end)
2108 (defun article-hide-signature (&optional arg)
2109 "Hide the signature in the current article.
2110 If given a negative prefix, always show; if given a positive prefix,
2112 (interactive (gnus-article-hidden-arg))
2118 (article-goto-body))
2119 (goto-char (point-min)))
2120 (unless (gnus-article-check-hidden-text 'signature arg)
2121 (let ((buffer-read-only nil)
2123 (while (setq button (text-property-any button (point-max)
2125 'gnus-signature-toggle))
2126 (setq button (text-property-not-all button (point-max)
2128 'gnus-signature-toggle))
2129 (when (and button (not (eobp)))
2130 (gnus-article-hide-text-type
2132 (next-single-property-change (1+ button) 'mime-view-entity
2136 (defun article-strip-headers-in-body ()
2137 "Strip offensive headers from bodies."
2141 (let ((case-fold-search t))
2142 (when (looking-at "x-no-archive:")
2143 (gnus-delete-line)))))
2145 (defun article-strip-leading-blank-lines ()
2146 "Remove all blank lines from the beginning of the article."
2149 (let ((inhibit-point-motion-hooks t)
2151 (when (article-goto-body)
2152 (while (and (not (eobp))
2153 (looking-at "[ \t]*$"))
2154 (gnus-delete-line))))))
2156 (defun article-narrow-to-head ()
2157 "Narrow the buffer to the head of the message.
2158 Point is left at the beginning of the narrowed-to region."
2160 (goto-char (point-min))
2161 (if (search-forward "\n\n" nil 1)
2164 (goto-char (point-min)))
2166 (defun article-goto-body ()
2167 "Place point at the start of the body."
2168 (goto-char (point-min))
2170 ;; This variable is only bound when dealing with separate
2172 (article-goto-body-goes-to-point-min-p
2174 ((search-forward "\n\n" nil t)
2177 (goto-char (point-max))
2180 (defun article-strip-multiple-blank-lines ()
2181 "Replace consecutive blank lines with one empty line."
2184 (let ((inhibit-point-motion-hooks t)
2186 ;; First make all blank lines empty.
2188 (while (re-search-forward "^[ \t]+$" nil t)
2189 (unless (gnus-annotation-in-region-p
2190 (match-beginning 0) (match-end 0))
2191 (replace-match "" nil t)))
2192 ;; Then replace multiple empty lines with a single empty line.
2194 (while (re-search-forward "\n\n\n+" nil t)
2195 (unless (gnus-annotation-in-region-p
2196 (match-beginning 0) (match-end 0))
2197 (replace-match "\n\n" t t))))))
2199 (defun article-strip-leading-space ()
2200 "Remove all white space from the beginning of the lines in the article."
2203 (let ((inhibit-point-motion-hooks t)
2206 (while (re-search-forward "^[ \t]+" nil t)
2207 (replace-match "" t t)))))
2209 (defun article-strip-trailing-space ()
2210 "Remove all white space from the end of the lines in the article."
2213 (let ((inhibit-point-motion-hooks t)
2216 (while (re-search-forward "[ \t]+$" nil t)
2217 (replace-match "" t t)))))
2219 (defun article-strip-blank-lines ()
2220 "Strip leading, trailing and multiple blank lines."
2222 (article-strip-leading-blank-lines)
2223 (article-remove-trailing-blank-lines)
2224 (article-strip-multiple-blank-lines))
2226 (defun article-strip-all-blank-lines ()
2227 "Strip all blank lines."
2230 (let ((inhibit-point-motion-hooks t)
2233 (while (re-search-forward "^[ \t]*\n" nil t)
2234 (replace-match "" t t)))))
2236 (defun gnus-article-narrow-to-signature ()
2237 "Narrow to the signature; return t if a signature is found, else nil."
2238 (let ((inhibit-point-motion-hooks t))
2239 (when (gnus-article-search-signature)
2241 ;; Check whether we have some limits to what we consider
2242 ;; to be a signature.
2243 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2244 (list gnus-signature-limit)))
2246 (while (setq limit (pop limits))
2247 (if (or (and (integerp limit)
2248 (< (- (point-max) (point)) limit))
2250 (< (count-lines (point) (point-max)) limit))
2251 (and (gnus-functionp limit)
2253 (and (stringp limit)
2254 (not (re-search-forward limit nil t))))
2255 () ; This limit did not succeed.
2259 (narrow-to-region (point) (point-max))
2262 (defun gnus-article-search-signature ()
2263 "Search the current buffer for the signature separator.
2264 Put point at the beginning of the signature separator."
2265 (let ((cur (point)))
2266 (goto-char (point-max))
2267 (if (if (stringp gnus-signature-separator)
2268 (re-search-backward gnus-signature-separator nil t)
2269 (let ((seps gnus-signature-separator))
2271 (not (re-search-backward (car seps) nil t)))
2278 (defun gnus-article-hidden-arg ()
2279 "Return the current prefix arg as a number, or 0 if no prefix."
2280 (list (if current-prefix-arg
2281 (prefix-numeric-value current-prefix-arg)
2284 (defun gnus-article-check-hidden-text (type arg)
2285 "Return nil if hiding is necessary.
2286 Arg can be nil or a number. Nil and positive means hide, negative
2287 means show, 0 means toggle."
2290 (let ((hide (gnus-article-hidden-text-p type)))
2296 (gnus-article-show-hidden-text type)
2299 (if (eq hide 'hidden)
2301 (gnus-article-show-hidden-text type)
2305 (defun gnus-article-hidden-text-p (type)
2306 "Say whether the current buffer contains hidden text of type TYPE."
2307 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2309 (not (get-text-property pos 'invisible))
2310 (not (get-text-property pos 'dummy-invisible)))
2312 (text-property-any (1+ pos) (point-max) 'article-type type)))
2317 (defun gnus-article-show-hidden-text (type &optional dummy)
2318 "Show all hidden text of type TYPE.
2319 Originally it is hide instead of DUMMY."
2320 (let ((buffer-read-only nil)
2321 (inhibit-point-motion-hooks t))
2322 (gnus-remove-text-properties-when
2324 (point-min) (point-max)
2325 (cons 'article-type (cons type
2326 gnus-hidden-properties)))))
2328 (defconst article-time-units
2329 `((year . ,(* 365.25 24 60 60))
2330 (week . ,(* 7 24 60 60))
2331 (day . ,(* 24 60 60))
2335 "Mapping from time units to seconds.")
2337 (defun article-date-ut (&optional type highlight header)
2338 "Convert DATE date to universal time in the current article.
2339 If TYPE is `local', convert to local time; if it is `lapsed', output
2340 how much time has lapsed since DATE. For `lapsed', the value of
2341 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2342 should replace the \"Date:\" one, or should be added below it."
2343 (interactive (list 'ut t))
2344 (let* ((header (or header
2345 (and (eq 1 (point-min))
2346 (mail-header-date (save-excursion
2347 (set-buffer gnus-summary-buffer)
2348 gnus-current-headers)))
2349 (message-fetch-field "date")
2351 (date (if (vectorp header) (mail-header-date header)
2353 (inhibit-point-motion-hooks t)
2354 bface eface date-pos)
2355 (when (and date (not (string= date "")))
2358 (article-narrow-to-head)
2359 (when (or (and (eq type 'lapsed)
2360 gnus-article-date-lapsed-new-header
2361 ;; Attempt to get the face of X-Sent first.
2362 (re-search-forward "^X-Sent:[ \t]" nil t))
2363 (re-search-forward "^Date:[ \t]" nil t)
2364 ;; If Date is missing, try again for X-Sent.
2365 (re-search-forward "^X-Sent:[ \t]" nil t))
2366 (setq bface (get-text-property (gnus-point-at-bol) 'face)
2367 date (or (get-text-property (gnus-point-at-bol)
2370 eface (get-text-property (1- (gnus-point-at-eol))
2372 (let ((buffer-read-only nil))
2373 ;; Delete any old X-Sent headers.
2374 (when (setq date-pos
2375 (text-property-any (point-min) (point-max)
2376 'article-date-lapsed t))
2377 (goto-char (setq date-pos (set-marker (make-marker) date-pos)))
2378 (delete-region (match-beginning 0)
2379 (progn (forward-line 1) (point))))
2380 (goto-char (point-min))
2381 ;; Delete any old Date headers.
2382 (while (re-search-forward "^Date:[ \t]" nil t)
2384 (setq date-pos (match-beginning 0)))
2385 (unless (and (eq type 'lapsed)
2386 gnus-article-date-lapsed-new-header)
2387 (delete-region (match-beginning 0)
2388 (progn (message-next-header) (point)))))
2391 (goto-char date-pos)
2393 ;; Possibly, Date has been deleted.
2395 (when (and (eq type 'lapsed)
2396 gnus-article-date-lapsed-new-header
2397 (looking-at "Date:"))
2399 (goto-char (point-min)))
2400 (insert (article-make-date-line date type))
2401 (when (eq type 'lapsed)
2402 (put-text-property (gnus-point-at-bol) (point)
2403 'article-date-lapsed t))
2407 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
2408 (put-text-property (match-beginning 1) (1+ (match-end 1))
2409 'original-date date)
2410 (put-text-property (match-beginning 1) (1+ (match-end 1))
2412 (put-text-property (match-beginning 2) (match-end 2)
2415 (defun article-make-date-line (date type)
2416 "Return a DATE line of TYPE."
2417 (unless (memq type '(local ut original user iso8601 lapsed english))
2418 (error "Unknown conversion type: %s" type))
2420 (let ((time (date-to-time date)))
2422 ;; Convert to the local timezone.
2424 (let ((tz (car (current-time-zone time))))
2425 (format "Date: %s %s%02d%02d" (current-time-string time)
2426 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2427 (/ (% (abs tz) 3600) 60))))
2428 ;; Convert to Universal Time.
2431 (current-time-string
2432 (let* ((e (parse-time-string date))
2433 (tm (apply 'encode-time e))
2435 (ls (- (cadr tm) (car (current-time-zone time)))))
2436 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
2437 ((> ls 65535) (list (1+ ms) (- ls 65536)))
2440 ;; Get the original date from the article.
2441 ((eq type 'original)
2442 (concat "Date: " (if (string-match "\n+$" date)
2443 (substring date 0 (match-beginning 0))
2445 ;; Let the user define the format.
2447 (if (gnus-functionp gnus-article-time-format)
2448 (funcall gnus-article-time-format time)
2451 (format-time-string gnus-article-time-format time))))
2454 (let ((tz (car (current-time-zone time))))
2457 (format-time-string "%Y%m%dT%H%M%S" time)
2458 (format "%s%02d%02d"
2459 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2460 (/ (% (abs tz) 3600) 60)))))
2461 ;; Do an X-Sent lapsed format.
2463 ;; If the date is seriously mangled, the timezone functions are
2464 ;; liable to bug out, so we ignore all errors.
2465 (let* ((now (current-time))
2466 (real-time (subtract-time now time))
2467 (real-sec (and real-time
2468 (+ (* (float (car real-time)) 65536)
2470 (sec (and real-time (abs real-sec)))
2480 ;; This is a bit convoluted, but basically we go
2481 ;; through the time units for years, weeks, etc,
2482 ;; and divide things to see whether that results
2483 ;; in positive answers.
2486 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
2487 ;; The (remaining) seconds are too few to
2488 ;; be divided into this time unit.
2490 ;; It's big enough, so we output it.
2491 (setq sec (- sec (* num (cdr unit))))
2493 (concat (if prev ", " "") (int-to-string
2495 " " (symbol-name (car unit))
2496 (if (> num 1) "s" ""))
2498 article-time-units "")
2499 ;; If dates are odd, then it might appear like the
2500 ;; article was sent in the future.
2503 " in the future"))))))
2504 ;; Display the date in proper English
2506 (let ((dtime (decode-time time)))
2509 (number-to-string (nth 3 dtime))
2510 (let ((digit (% (nth 3 dtime) 10)))
2512 ((memq (nth 3 dtime) '(11 12 13)) "th")
2518 (nth (1- (nth 4 dtime)) gnus-english-month-names)
2520 (number-to-string (nth 5 dtime))
2522 (format "%02d" (nth 2 dtime))
2524 (format "%02d" (nth 1 dtime)))))))
2526 (format "Date: %s (from Oort)" date))))
2528 (defun article-date-local (&optional highlight)
2529 "Convert the current article date to the local timezone."
2530 (interactive (list t))
2531 (article-date-ut 'local highlight))
2533 (defun article-date-english (&optional highlight)
2534 "Convert the current article date to something that is proper English."
2535 (interactive (list t))
2536 (article-date-ut 'english highlight))
2538 (defun article-date-original (&optional highlight)
2539 "Convert the current article date to what it was originally.
2540 This is only useful if you have used some other date conversion
2541 function and want to see what the date was before converting."
2542 (interactive (list t))
2543 (article-date-ut 'original highlight))
2545 (defun article-date-lapsed (&optional highlight)
2546 "Convert the current article date to time lapsed since it was sent."
2547 (interactive (list t))
2548 (article-date-ut 'lapsed highlight))
2550 (defun article-update-date-lapsed ()
2551 "Function to be run from a timer to update the lapsed time line."
2552 (let (deactivate-mark)
2557 (set-buffer (window-buffer w))
2558 (when (eq major-mode 'gnus-article-mode)
2559 (goto-char (point-min))
2560 (when (re-search-forward "^X-Sent:" nil t)
2561 (article-date-lapsed t))))
2564 (defun gnus-start-date-timer (&optional n)
2565 "Start a timer to update the X-Sent header in the article buffers.
2566 The numerical prefix says how frequently (in seconds) the function
2571 (gnus-stop-date-timer)
2572 (setq article-lapsed-timer
2573 (nnheader-run-at-time 1 n 'article-update-date-lapsed)))
2575 (defun gnus-stop-date-timer ()
2576 "Stop the X-Sent timer."
2578 (when article-lapsed-timer
2579 (nnheader-cancel-timer article-lapsed-timer)
2580 (setq article-lapsed-timer nil)))
2582 (defun article-date-user (&optional highlight)
2583 "Convert the current article date to the user-defined format.
2584 This format is defined by the `gnus-article-time-format' variable."
2585 (interactive (list t))
2586 (article-date-ut 'user highlight))
2588 (defun article-date-iso8601 (&optional highlight)
2589 "Convert the current article date to ISO8601."
2590 (interactive (list t))
2591 (article-date-ut 'iso8601 highlight))
2593 (defun article-show-all ()
2594 "Show all hidden text in the article buffer."
2598 (let ((buffer-read-only nil))
2599 (gnus-article-unhide-text (point-min) (point-max))
2600 (gnus-remove-text-with-property 'gnus-prev)
2601 (gnus-remove-text-with-property 'gnus-next))))
2603 (defun article-show-all-headers ()
2604 "Show all hidden headers in the article buffer."
2609 (article-narrow-to-head)
2610 (let ((buffer-read-only nil))
2611 (gnus-article-unhide-text (point-min) (point-max))))))
2613 (defun article-remove-leading-whitespace ()
2614 "Remove excessive whitespace from all headers."
2618 (let ((buffer-read-only nil))
2619 (article-narrow-to-head)
2620 (goto-char (point-min))
2621 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
2622 (delete-region (match-beginning 1) (match-end 1)))))))
2624 (defun article-emphasize (&optional arg)
2625 "Emphasize text according to `gnus-emphasis-alist'."
2626 (interactive (gnus-article-hidden-arg))
2627 (unless (gnus-article-check-hidden-text 'emphasis arg)
2631 (with-current-buffer gnus-summary-buffer
2632 gnus-article-emphasis-alist)
2634 gnus-emphasis-alist))
2635 (buffer-read-only nil)
2636 (props (append '(article-type emphasis)
2637 gnus-hidden-properties))
2638 regexp elem beg invisible visible face)
2641 (while (setq elem (pop alist))
2643 (setq regexp (car elem)
2644 invisible (nth 1 elem)
2645 visible (nth 2 elem)
2647 (while (re-search-forward regexp nil t)
2648 (when (and (match-beginning visible) (match-beginning invisible))
2649 (push 'emphasis gnus-article-wash-types)
2650 (gnus-article-hide-text
2651 (match-beginning invisible) (match-end invisible) props)
2652 (gnus-article-unhide-text-type
2653 (match-beginning visible) (match-end visible) 'emphasis)
2654 (gnus-put-text-property-excluding-newlines
2655 (match-beginning visible) (match-end visible) 'face face)
2656 (goto-char (match-end invisible)))))))))
2658 (defun gnus-article-setup-highlight-words (&optional highlight-words)
2659 "Setup newsgroup emphasis alist."
2660 (unless gnus-article-emphasis-alist
2661 (let ((name (and gnus-newsgroup-name
2662 (gnus-group-real-name gnus-newsgroup-name))))
2663 (make-local-variable 'gnus-article-emphasis-alist)
2664 (setq gnus-article-emphasis-alist
2666 (let ((alist gnus-group-highlight-words-alist) elem highlight)
2667 (while (setq elem (pop alist))
2668 (when (and name (string-match (car elem) name))
2670 highlight (copy-sequence (cdr elem)))))
2672 (copy-sequence highlight-words)
2673 (if gnus-newsgroup-name
2674 (copy-sequence (gnus-group-find-parameter
2675 gnus-newsgroup-name 'highlight-words t)))
2676 gnus-emphasis-alist)))))
2679 (defvar gnus-summary-article-menu)
2680 (defvar gnus-summary-post-menu))
2682 ;;; Saving functions.
2684 (defun gnus-article-save (save-buffer file &optional num)
2685 "Save the currently selected article."
2686 (unless gnus-save-all-headers
2687 ;; Remove headers according to `gnus-saved-headers'.
2688 (let ((gnus-visible-headers
2689 (or gnus-saved-headers gnus-visible-headers))
2690 (gnus-article-buffer save-buffer))
2692 (set-buffer save-buffer)
2693 (article-hide-headers 1 t))))
2694 (save-window-excursion
2695 (if (not gnus-default-article-saver)
2696 (error "No default saver is defined")
2697 ;; !!! Magic! The saving functions all save
2698 ;; `gnus-save-article-buffer' (or so they think), but we
2699 ;; bind that variable to our save-buffer.
2700 (set-buffer gnus-article-buffer)
2701 (let* ((gnus-save-article-buffer save-buffer)
2704 ((not gnus-prompt-before-saving) 'default)
2705 ((eq gnus-prompt-before-saving 'always) nil)
2707 (gnus-number-of-articles-to-be-saved
2708 (when (eq gnus-prompt-before-saving t)
2710 (set-buffer gnus-article-current-summary)
2711 (funcall gnus-default-article-saver filename)))))
2713 (defun gnus-read-save-file-name (prompt &optional filename
2714 function group headers variable)
2716 (funcall function group headers (symbol-value variable)))
2721 ((eq filename 'default)
2727 (let* ((split-name (gnus-get-split-value gnus-split-methods))
2730 (if (and gnus-number-of-articles-to-be-saved
2731 (> gnus-number-of-articles-to-be-saved 1))
2732 (format "these %d articles"
2733 gnus-number-of-articles-to-be-saved)
2736 ;; Let the split methods have their say.
2738 ;; No split name was found.
2741 (concat prompt " (default "
2742 (file-name-nondirectory default-name) ") ")
2743 (file-name-directory default-name)
2745 ;; A single group name is returned.
2746 ((stringp split-name)
2748 (funcall function split-name headers
2749 (symbol-value variable)))
2751 (concat prompt " (default "
2752 (file-name-nondirectory default-name) ") ")
2753 (file-name-directory default-name)
2755 ;; A single split name was found
2756 ((= 1 (length split-name))
2757 (let* ((name (expand-file-name
2759 gnus-article-save-directory))
2760 (dir (cond ((file-directory-p name)
2761 (file-name-as-directory name))
2762 ((file-exists-p name) name)
2763 (t gnus-article-save-directory))))
2765 (concat prompt " (default " name ") ")
2767 ;; A list of splits was found.
2769 (setq split-name (nreverse split-name))
2771 (let ((file-name-history
2772 (nconc split-name file-name-history)))
2776 (concat prompt " (`M-p' for defaults) ")
2777 gnus-article-save-directory
2779 gnus-article-save-directory)))
2780 (car (push result file-name-history)))))))
2781 ;; Create the directory.
2782 (gnus-make-directory (file-name-directory file))
2783 ;; If we have read a directory, we append the default file name.
2784 (when (file-directory-p file)
2785 (setq file (expand-file-name (file-name-nondirectory
2787 (file-name-as-directory file))))
2788 ;; Possibly translate some characters.
2789 (nnheader-translate-file-chars file))))))
2790 (gnus-make-directory (file-name-directory result))
2791 (set variable result)))
2793 (defun gnus-article-archive-name (group)
2794 "Return the first instance of an \"Archive-name\" in the current buffer."
2795 (let ((case-fold-search t))
2796 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
2797 (nnheader-concat gnus-article-save-directory
2798 (match-string 1)))))
2800 (defun gnus-article-nndoc-name (group)
2801 "If GROUP is an nndoc group, return the name of the parent group."
2802 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
2803 (gnus-group-get-parameter group 'save-article-group)))
2805 (defun gnus-summary-save-in-rmail (&optional filename)
2806 "Append this article to Rmail file.
2807 Optional argument FILENAME specifies file name.
2808 Directory to save to is default to `gnus-article-save-directory'."
2809 (setq filename (gnus-read-save-file-name
2810 "Save %s in rmail file:" filename
2811 gnus-rmail-save-name gnus-newsgroup-name
2812 gnus-current-headers 'gnus-newsgroup-last-rmail))
2813 (gnus-eval-in-buffer-window gnus-save-article-buffer
2817 (gnus-output-to-rmail filename))))
2820 (defun gnus-summary-save-in-mail (&optional filename)
2821 "Append this article to Unix mail file.
2822 Optional argument FILENAME specifies file name.
2823 Directory to save to is default to `gnus-article-save-directory'."
2824 (setq filename (gnus-read-save-file-name
2825 "Save %s in Unix mail file:" filename
2826 gnus-mail-save-name gnus-newsgroup-name
2827 gnus-current-headers 'gnus-newsgroup-last-mail))
2828 (gnus-eval-in-buffer-window gnus-save-article-buffer
2832 (if (and (file-readable-p filename)
2833 (mail-file-babyl-p filename))
2834 (rmail-output-to-rmail-file filename t)
2835 (gnus-output-to-mail filename)))))
2838 (defun gnus-summary-save-in-file (&optional filename overwrite)
2839 "Append this article to file.
2840 Optional argument FILENAME specifies file name.
2841 Directory to save to is default to `gnus-article-save-directory'."
2842 (setq filename (gnus-read-save-file-name
2843 "Save %s in file:" filename
2844 gnus-file-save-name gnus-newsgroup-name
2845 gnus-current-headers 'gnus-newsgroup-last-file))
2846 (gnus-eval-in-buffer-window gnus-save-article-buffer
2850 (when (and overwrite
2851 (file-exists-p filename))
2852 (delete-file filename))
2853 (gnus-output-to-file filename))))
2856 (defun gnus-summary-write-to-file (&optional filename)
2857 "Write this article to a file.
2858 Optional argument FILENAME specifies file name.
2859 The directory to save in defaults to `gnus-article-save-directory'."
2860 (gnus-summary-save-in-file nil t))
2862 (defun gnus-summary-save-body-in-file (&optional filename)
2863 "Append this article body to a file.
2864 Optional argument FILENAME specifies file name.
2865 The directory to save in defaults to `gnus-article-save-directory'."
2866 (setq filename (gnus-read-save-file-name
2867 "Save %s body in file:" filename
2868 gnus-file-save-name gnus-newsgroup-name
2869 gnus-current-headers 'gnus-newsgroup-last-file))
2870 (gnus-eval-in-buffer-window gnus-save-article-buffer
2874 (when (article-goto-body)
2875 (narrow-to-region (point) (point-max)))
2876 (gnus-output-to-file filename))))
2879 (defun gnus-summary-save-in-pipe (&optional command)
2880 "Pipe this article to subprocess."
2882 (cond ((and (eq command 'default)
2883 gnus-last-shell-command)
2884 gnus-last-shell-command)
2889 "Shell command on %s: "
2890 (if (and gnus-number-of-articles-to-be-saved
2891 (> gnus-number-of-articles-to-be-saved 1))
2892 (format "these %d articles"
2893 gnus-number-of-articles-to-be-saved)
2895 gnus-last-shell-command))))
2896 (when (string-equal command "")
2897 (if gnus-last-shell-command
2898 (setq command gnus-last-shell-command)
2899 (error "A command is required.")))
2900 (gnus-eval-in-buffer-window gnus-article-buffer
2903 (shell-command-on-region (point-min) (point-max) command nil)))
2904 (setq gnus-last-shell-command command))
2906 ;;; Article file names when saving.
2908 (defun gnus-capitalize-newsgroup (newsgroup)
2909 "Capitalize NEWSGROUP name."
2910 (when (not (zerop (length newsgroup)))
2911 (concat (char-to-string (upcase (aref newsgroup 0)))
2912 (substring newsgroup 1))))
2914 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
2915 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
2916 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
2917 Otherwise, it is like ~/News/news/group/num."
2920 (concat (if (gnus-use-long-file-name 'not-save)
2921 (gnus-capitalize-newsgroup newsgroup)
2922 (gnus-newsgroup-directory-form newsgroup))
2923 "/" (int-to-string (mail-header-number headers)))
2924 gnus-article-save-directory)))
2926 (string-equal (file-name-directory default)
2927 (file-name-directory last-file))
2928 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
2930 (or last-file default))))
2932 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
2933 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
2934 If variable `gnus-use-long-file-name' is non-nil, it is
2935 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
2938 (concat (if (gnus-use-long-file-name 'not-save)
2940 (gnus-newsgroup-directory-form newsgroup))
2941 "/" (int-to-string (mail-header-number headers)))
2942 gnus-article-save-directory)))
2944 (string-equal (file-name-directory default)
2945 (file-name-directory last-file))
2946 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
2948 (or last-file default))))
2950 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
2951 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
2952 If variable `gnus-use-long-file-name' is non-nil, it is
2953 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
2956 (if (gnus-use-long-file-name 'not-save)
2958 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup)))
2959 gnus-article-save-directory)))
2961 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
2962 "Generate file name from sender."
2963 (let ((from (mail-header-from headers)))
2965 (if (and from (string-match "\\([^ <]+\\)@" from))
2966 (match-string 1 from)
2968 gnus-article-save-directory)))
2970 (defun article-verify-x-pgp-sig ()
2973 (if (gnus-buffer-live-p gnus-original-article-buffer)
2974 (let ((sig (with-current-buffer gnus-original-article-buffer
2975 (gnus-fetch-field "X-PGP-Sig")))
2979 (mml2015-clear-verify-function))
2981 (insert-buffer gnus-original-article-buffer)
2982 (setq items (split-string sig))
2983 (message-narrow-to-head)
2984 (let ((inhibit-point-motion-hooks t)
2985 (case-fold-search t))
2986 ;; Don't verify multiple headers.
2987 (setq headers (mapconcat (lambda (header)
2989 (mail-fetch-field header) "\n"))
2990 (split-string (nth 1 items) ",") "")))
2991 (delete-region (point-min) (point-max))
2992 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
2993 (insert "X-Signed-Headers: " (nth 1 items) "\n")
2998 (if (looking-at "^-")
3001 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3002 (insert "Version: " (car items) "\n\n")
3003 (insert (mapconcat 'identity (cddr items) "\n"))
3004 (insert "\n-----END PGP SIGNATURE-----\n")
3005 (let ((mm-security-handle (list (format "multipart/signed"))))
3006 (mml2015-clean-buffer)
3007 (let ((coding-system-for-write (or gnus-newsgroup-charset
3009 (funcall (mml2015-clear-verify-function)))
3011 (or (mm-handle-multipart-ctl-parameter
3012 mm-security-handle 'gnus-details)
3013 (mm-handle-multipart-ctl-parameter
3014 mm-security-handle 'gnus-info)))))
3016 (let (buffer-read-only bface eface)
3018 (message-narrow-to-head)
3019 (goto-char (point-max))
3021 (setq bface (get-text-property (gnus-point-at-bol) 'face)
3022 eface (get-text-property (1- (gnus-point-at-eol)) 'face))
3023 (message-remove-header "X-Gnus-PGP-Verify")
3024 (if (re-search-forward "^X-PGP-Sig:" nil t)
3026 (goto-char (point-max)))
3027 (narrow-to-region (point) (point))
3028 (insert "X-Gnus-PGP-Verify: " info "\n")
3029 (goto-char (point-min))
3032 (if (not (looking-at "^[ \t]"))
3036 (goto-char (point-min))
3037 (when (looking-at "\\([^:]+\\): *")
3038 (put-text-property (match-beginning 1) (1+ (match-end 1))
3040 (put-text-property (match-end 0) (point-max)
3041 'face eface)))))))))
3048 (setq afunc (car func)
3051 gfunc (intern (format "gnus-%s" func))))
3054 `(lambda (&optional interactive &rest args)
3055 ,(documentation afunc t)
3056 (interactive (list t))
3058 (set-buffer gnus-article-buffer)
3060 (call-interactively ',afunc)
3061 (apply ',afunc args))))))))
3062 '(article-hide-headers
3063 article-verify-x-pgp-sig
3064 article-hide-boring-headers
3065 article-toggle-headers
3066 article-treat-overstrike
3067 article-fill-long-lines
3068 article-capitalize-sentences
3070 article-remove-leading-whitespace
3071 article-display-x-face
3072 article-de-quoted-unreadable
3073 article-de-base64-unreadable
3076 article-hide-list-identifiers
3078 article-strip-banner
3081 article-hide-signature
3082 article-strip-headers-in-body
3083 article-remove-trailing-blank-lines
3084 article-strip-leading-blank-lines
3085 article-strip-multiple-blank-lines
3086 article-strip-leading-space
3087 article-strip-trailing-space
3088 article-strip-blank-lines
3089 article-strip-all-blank-lines
3091 article-date-english
3092 article-date-iso8601
3093 article-date-original
3095 article-decode-mime-words
3096 article-decode-charset
3097 article-decode-encoded-words
3101 article-treat-dumbquotes
3102 article-normalize-headers
3103 (article-show-all-headers . gnus-article-show-all-headers)
3104 (article-show-all . gnus-article-show-all))))
3107 ;;; Gnus article mode
3110 (put 'gnus-article-mode 'mode-class 'special)
3112 (gnus-define-keys gnus-article-mode-map
3113 " " gnus-article-goto-next-page
3114 "\177" gnus-article-goto-prev-page
3115 [delete] gnus-article-goto-prev-page
3116 [backspace] gnus-article-goto-prev-page
3117 "\C-c^" gnus-article-refer-article
3118 "h" gnus-article-show-summary
3119 "s" gnus-article-show-summary
3120 "\C-c\C-m" gnus-article-mail
3121 "?" gnus-article-describe-briefly
3122 "e" gnus-summary-edit-article
3123 "<" beginning-of-buffer
3125 "\C-c\C-i" gnus-info-find-node
3127 "\C-hk" gnus-article-describe-key
3128 "\C-hc" gnus-article-describe-key-briefly
3130 "\C-d" gnus-article-read-summary-keys
3131 "\M-*" gnus-article-read-summary-keys
3132 "\M-#" gnus-article-read-summary-keys
3133 "\M-^" gnus-article-read-summary-keys
3134 "\M-g" gnus-article-read-summary-keys)
3136 ;; Define almost undefined keys to `gnus-article-read-summary-keys'.
3140 (push (char-to-string key) keys)
3142 (dolist (elem (accessible-keymaps gnus-summary-mode-map))
3143 (setq key (car elem))
3144 (when (and (> (length key) 0)
3145 (not (eq 'menu-bar (aref key 0)))
3146 (symbolp (lookup-key gnus-summary-mode-map key)))
3149 (unless (lookup-key gnus-article-mode-map key)
3150 (define-key gnus-article-mode-map key 'gnus-article-read-summary-keys))))
3152 (defun gnus-article-make-menu-bar ()
3153 (unless (boundp 'gnus-article-commands-menu)
3154 (gnus-summary-make-menu-bar))
3155 (gnus-turn-off-edit-menu 'article)
3156 (unless (boundp 'gnus-article-article-menu)
3158 gnus-article-article-menu gnus-article-mode-map ""
3160 ["Scroll forwards" gnus-article-goto-next-page t]
3161 ["Scroll backwards" gnus-article-goto-prev-page t]
3162 ["Show summary" gnus-article-show-summary t]
3163 ["Fetch Message-ID at point" gnus-article-refer-article t]
3164 ["Mail to address at point" gnus-article-mail t]
3165 ["Send a bug report" gnus-bug t]))
3168 gnus-article-treatment-menu gnus-article-mode-map ""
3169 ;; Fixme: this should use :active (and maybe :visible).
3171 ["Hide headers" gnus-article-toggle-headers t]
3172 ["Hide signature" gnus-article-hide-signature t]
3173 ["Hide citation" gnus-article-hide-citation t]
3174 ["Treat overstrike" gnus-article-treat-overstrike t]
3175 ["Remove carriage return" gnus-article-remove-cr t]
3176 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3177 ["Decode HZ" gnus-article-decode-HZ t]))
3179 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3181 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3183 (gnus-run-hooks 'gnus-article-menu-hook)))
3185 ;; Fixme: do something for the Emacs tool bar in Article mode a la
3188 (defun gnus-article-mode ()
3189 "Major mode for displaying an article.
3191 All normal editing commands are switched off.
3193 The following commands are available in addition to all summary mode
3195 \\<gnus-article-mode-map>
3196 \\[gnus-article-next-page]\t Scroll the article one page forwards
3197 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3198 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3199 \\[gnus-article-show-summary]\t Display the summary buffer
3200 \\[gnus-article-mail]\t Send a reply to the address near point
3201 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3202 \\[gnus-info-find-node]\t Go to the Gnus info node"
3204 (gnus-simplify-mode-line)
3205 (setq mode-name "Article")
3206 (setq major-mode 'gnus-article-mode)
3207 (make-local-variable 'minor-mode-alist)
3208 (unless (assq 'gnus-show-mime minor-mode-alist)
3209 (push (list 'gnus-show-mime " MIME") minor-mode-alist))
3210 (use-local-map gnus-article-mode-map)
3211 (when (gnus-visual-p 'article-menu 'menu)
3212 (gnus-article-make-menu-bar))
3213 (gnus-update-format-specifications nil 'article-mode)
3214 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3215 (make-local-variable 'gnus-page-broken)
3216 (make-local-variable 'gnus-button-marker-list)
3217 (make-local-variable 'gnus-article-current-summary)
3218 (make-local-variable 'gnus-article-mime-handles)
3219 (make-local-variable 'gnus-article-decoded-p)
3220 (make-local-variable 'gnus-article-mime-handle-alist)
3221 (make-local-variable 'gnus-article-wash-types)
3222 (make-local-variable 'gnus-article-charset)
3223 (make-local-variable 'gnus-article-ignored-charsets)
3224 (gnus-set-default-directory)
3225 (buffer-disable-undo)
3226 (setq buffer-read-only t)
3227 (set-syntax-table gnus-article-mode-syntax-table)
3228 (gnus-run-hooks 'gnus-article-mode-hook))
3230 (defun gnus-article-setup-buffer ()
3231 "Initialize the article buffer."
3232 (let* ((name (if gnus-single-article-buffer "*Article*"
3233 (concat "*Article " gnus-newsgroup-name "*")))
3235 (progn (string-match "\\*Article" name)
3236 (concat " *Original Article"
3237 (substring name (match-end 0))))))
3238 (setq gnus-article-buffer name)
3239 (setq gnus-original-article-buffer original)
3240 (setq gnus-article-mime-handle-alist nil)
3241 ;; This might be a variable local to the summary buffer.
3242 (unless gnus-single-article-buffer
3244 (set-buffer gnus-summary-buffer)
3245 (setq gnus-article-buffer name)
3246 (setq gnus-original-article-buffer original)
3247 (gnus-set-global-variables)))
3248 (gnus-article-setup-highlight-words)
3249 ;; Init original article buffer.
3251 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3252 (set-buffer-multibyte nil)
3253 (setq major-mode 'gnus-original-article-mode)
3254 (make-local-variable 'gnus-original-article))
3255 (if (get-buffer name)
3258 (buffer-disable-undo)
3259 (setq buffer-read-only t)
3260 (unless (eq major-mode 'gnus-article-mode)
3261 (gnus-article-mode))
3264 (set-buffer (gnus-get-buffer-create name))
3266 (make-local-variable 'gnus-summary-buffer)
3267 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3268 (current-buffer)))))
3270 ;; Set article window start at LINE, where LINE is the number of lines
3271 ;; from the head of the article.
3272 (defun gnus-article-set-window-start (&optional line)
3274 (get-buffer-window gnus-article-buffer t)
3276 (set-buffer gnus-article-buffer)
3277 (goto-char (point-min))
3280 (gnus-message 6 "Moved to bookmark")
3281 (search-forward "\n\n" nil t)
3285 ;;; @@ article filters
3288 (defun gnus-article-display-mime-message ()
3289 "Article display method for MIME message."
3290 ;; called from `gnus-original-article-buffer'.
3291 (let (charset all-headers)
3292 (with-current-buffer gnus-summary-buffer
3293 (setq charset default-mime-charset
3294 all-headers gnus-have-all-headers))
3295 (make-local-variable 'default-mime-charset)
3296 (setq default-mime-charset charset)
3297 (with-current-buffer (get-buffer-create gnus-article-buffer)
3298 (make-local-variable 'default-mime-charset)
3299 (setq default-mime-charset charset))
3300 (mime-display-message mime-message-structure
3301 gnus-article-buffer nil gnus-article-mode-map)
3303 (gnus-article-hide-headers nil -1)))
3304 (run-hooks 'gnus-mime-article-prepare-hook))
3306 (defun gnus-article-display-traditional-message ()
3307 "Article display method for traditional message."
3308 (set-buffer gnus-article-buffer)
3309 (let (buffer-read-only)
3311 (insert-buffer-substring gnus-original-article-buffer)))
3313 (defun gnus-article-make-full-mail-header (&optional number charset)
3314 "Create a new mail header structure in a raw article buffer."
3315 (unless (and number charset)
3316 (save-current-buffer
3317 (set-buffer gnus-summary-buffer)
3319 (setq number (or (cdr gnus-article-current) 0)))
3321 (setq charset (or default-mime-charset 'x-ctext)))))
3322 (goto-char (point-min))
3323 (let ((header-end (if (search-forward "\n\n" nil t)
3325 (goto-char (point-max))))
3326 (chars (- (point-max) (point)))
3327 (lines (count-lines (point) (point-max)))
3328 (default-mime-charset charset)
3330 (narrow-to-region (point-min) header-end)
3331 (setq xref (std11-fetch-field "xref"))
3333 (make-full-mail-header
3335 (std11-fetch-field "subject")
3336 (std11-fetch-field "from")
3337 (std11-fetch-field "date")
3338 (std11-fetch-field "message-id")
3339 (std11-fetch-field "references")
3342 (when xref (concat "Xref: " xref)))
3345 (defun gnus-article-prepare (article &optional all-headers header)
3346 "Prepare ARTICLE in article mode buffer.
3347 ARTICLE should either be an article number or a Message-ID.
3348 If ARTICLE is an id, HEADER should be the article headers.
3349 If ALL-HEADERS is non-nil, no headers are hidden."
3351 ;; Make sure we start in a summary buffer.
3352 (unless (eq major-mode 'gnus-summary-mode)
3353 (set-buffer gnus-summary-buffer))
3354 (setq gnus-summary-buffer (current-buffer))
3355 (let* ((gnus-article (if header (mail-header-number header) article))
3356 (summary-buffer (current-buffer))
3357 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
3358 (group gnus-newsgroup-name)
3361 (gnus-article-setup-buffer)
3362 (set-buffer gnus-article-buffer)
3363 ;; Deactivate active regions.
3364 (when (and (boundp 'transient-mark-mode)
3365 transient-mark-mode)
3366 (setq mark-active nil))
3367 (if (not (setq result (let ((buffer-read-only nil))
3368 (gnus-request-article-this-buffer
3370 ;; There is no such article.
3372 (when (and (numberp article)
3373 (not (memq article gnus-newsgroup-sparse)))
3374 (setq gnus-article-current
3375 (cons gnus-newsgroup-name article))
3376 (set-buffer gnus-summary-buffer)
3377 (setq gnus-current-article article)
3378 (if (eq (gnus-article-mark article) gnus-undownloaded-mark)
3380 (gnus-summary-set-agent-mark article)
3381 (message "Message marked for downloading"))
3382 (gnus-summary-mark-article article gnus-canceled-mark)
3383 (unless (memq article gnus-newsgroup-sparse)
3384 (gnus-error 1 "No such article (may have expired or been canceled)")))))
3385 (if (or (eq result 'pseudo)
3386 (eq result 'nneething))
3389 (set-buffer summary-buffer)
3390 (push article gnus-newsgroup-history)
3391 (setq gnus-last-article gnus-current-article
3392 gnus-current-article 0
3393 gnus-current-headers nil
3394 gnus-article-current nil)
3395 (if (eq result 'nneething)
3396 (gnus-configure-windows 'summary)
3397 (gnus-configure-windows 'article))
3398 (gnus-set-global-variables))
3399 (let ((gnus-article-mime-handle-alist-1
3400 gnus-article-mime-handle-alist))
3401 (gnus-set-mode-line 'article)))
3402 ;; The result from the `request' was an actual article -
3403 ;; or at least some text that is now displayed in the
3405 (when (and (numberp article)
3406 (not (eq article gnus-current-article)))
3407 ;; Seems like a new article has been selected.
3408 ;; `gnus-current-article' must be an article number.
3410 (set-buffer summary-buffer)
3411 (push article gnus-newsgroup-history)
3412 (setq gnus-last-article gnus-current-article
3413 gnus-current-article article
3414 gnus-current-headers
3415 (gnus-summary-article-header gnus-current-article)
3416 gnus-article-current
3417 (cons gnus-newsgroup-name gnus-current-article))
3418 (unless (vectorp gnus-current-headers)
3419 (setq gnus-current-headers nil))
3420 (gnus-summary-goto-subject gnus-current-article)
3421 (when (gnus-summary-show-thread)
3422 ;; If the summary buffer really was folded, the
3423 ;; previous goto may not actually have gone to
3424 ;; the right article, but the thread root instead.
3426 (gnus-summary-goto-subject gnus-current-article))
3427 (gnus-run-hooks 'gnus-mark-article-hook)
3428 (gnus-set-mode-line 'summary)
3429 (when (gnus-visual-p 'article-highlight 'highlight)
3430 (gnus-run-hooks 'gnus-visual-mark-article-hook))
3431 ;; Set the global newsgroup variables here.
3432 (gnus-set-global-variables)
3433 (setq gnus-have-all-headers
3434 (or all-headers gnus-show-all-headers))))
3436 (gnus-configure-windows 'article))
3437 (when (or (numberp article)
3439 (gnus-article-prepare-display)
3441 (goto-char (point-min))
3442 (setq gnus-page-broken
3443 (when gnus-break-pages
3444 (gnus-narrow-to-page)
3446 (let ((gnus-article-mime-handle-alist-1
3447 gnus-article-mime-handle-alist))
3448 (gnus-set-mode-line 'article))
3450 (set-window-point (get-buffer-window (current-buffer)) (point))
3451 (gnus-configure-windows 'article)
3454 (defun gnus-article-prepare-mime-display (&optional number)
3455 (goto-char (point-min))
3456 (when (re-search-forward "^[^\t ]+:" nil t)
3457 (goto-char (match-beginning 0)))
3458 (let ((entity (if (eq 1 (point-min))
3459 (get-text-property 1 'mime-view-entity)
3460 (get-text-property (point) 'mime-view-entity)))
3461 last-entity child-entity next type)
3462 (setq child-entity (mime-entity-children entity))
3464 (setq last-entity (nth (1- (length child-entity))
3466 (setq last-entity entity))
3468 (narrow-to-region (point)
3469 (if (search-forward "\n\n" nil t)
3472 (gnus-treat-article 'head)
3473 (put-text-property (point-min) (point-max) 'article-treated-header t)
3474 (goto-char (point-max)))
3475 (while (and (not (eobp)) entity)
3476 (setq next (set-marker
3478 (next-single-property-change (point) 'mime-view-entity
3480 (let ((types (mime-entity-content-type entity)))
3481 (while (eq 'multipart (mime-content-type-primary-type types))
3482 (setq entity (car (mime-entity-children entity))
3483 types (mime-entity-content-type entity)))
3485 (setq type (format "%s/%s"
3486 (mime-content-type-primary-type types)
3487 (mime-content-type-subtype types)))))
3488 (if (string-equal type "message/rfc822")
3491 (let ((children (mime-entity-children entity))
3494 (setq last-children (nth (1- (length children)) children))
3497 (not (eq last-children
3498 (get-text-property next 'mime-view-entity)))
3500 (next-single-property-change next
3502 nil (point-max)))))))
3503 (setq next (next-single-property-change next 'mime-view-entity
3506 (narrow-to-region (point) next)
3507 (gnus-article-prepare-mime-display)
3508 (goto-char (point-max)))
3509 (setq entity (get-text-property (point) 'mime-view-entity)))
3511 (narrow-to-region (point) next)
3512 ;; Kludge. We have to count true number, but for now,
3513 ;; part number is here only to achieve `last'.
3514 (gnus-treat-article nil 1
3515 (if (eq entity last-entity)
3518 (goto-char (point-max)))
3519 (setq entity (get-text-property next 'mime-view-entity))))))
3522 (defun gnus-article-prepare-display ()
3523 "Make the current buffer look like a nice article."
3524 (let ((gnus-article-buffer (current-buffer))
3526 (unless (eq major-mode 'gnus-article-mode)
3527 (gnus-article-mode))
3528 (setq buffer-read-only nil
3529 gnus-button-marker-list nil
3530 gnus-article-wash-types nil)
3533 (static-if (featurep 'xemacs)
3534 (map-extents (lambda (extent maparg) (delete-extent extent)))
3535 (let ((lists (overlay-lists)))
3536 (dolist (overlay (nconc (car lists) (cdr lists)))
3537 (delete-overlay overlay)))))
3538 (gnus-run-hooks 'gnus-tmp-internal-hook))
3539 (set-buffer gnus-original-article-buffer)
3541 (setq mime-message-structure gnus-current-headers)
3542 (mime-buffer-entity-set-buffer-internal mime-message-structure
3543 gnus-original-article-buffer)
3544 (mime-entity-set-representation-type-internal mime-message-structure
3545 'mime-buffer-entity)
3546 (luna-send mime-message-structure 'initialize-instance
3547 mime-message-structure)
3549 (let (mime-display-header-hook mime-display-text/plain-hook)
3550 (funcall gnus-article-display-method-for-mime))
3551 (funcall gnus-article-display-method-for-traditional))
3552 ;; Call the treatment functions.
3553 (let ((inhibit-read-only t))
3557 (gnus-article-prepare-mime-display)
3558 (narrow-to-region (goto-char (point-min))
3559 (if (search-forward "\n\n" nil t)
3562 (gnus-treat-article 'head)
3563 (put-text-property (point-min) (point-max) 'article-treated-header t)
3564 (goto-char (point-max))
3566 (narrow-to-region (point) (point-max))
3567 (gnus-treat-article nil))
3568 (put-text-property (point-min) (point-max) 'read-only nil)))
3569 (gnus-run-hooks 'gnus-article-prepare-hook))
3571 (defun gnus-article-decode-article-as-default-mime-charset ()
3572 "Decode an article as `default-mime-charset'. It won't work if the
3573 value of the variable `gnus-show-mime' is non-nil."
3574 (unless gnus-show-mime
3575 (set (make-local-variable 'default-mime-charset)
3576 (with-current-buffer gnus-summary-buffer
3577 default-mime-charset))
3578 (decode-mime-charset-region (point-min) (point-max)
3579 default-mime-charset)))
3582 ;;; Gnus MIME viewing functions
3585 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
3586 "The following specs can be used:
3588 %T MIME type, along with additional info
3589 %n The `name' parameter
3590 %d The description, if any
3591 %l The length of the encoded part
3592 %p The part identifier number
3593 %e Dots if the part isn't displayed")
3595 (defvar gnus-mime-button-line-format-alist
3596 '((?t gnus-tmp-type ?s)
3597 (?T gnus-tmp-type-long ?s)
3598 (?n gnus-tmp-name ?s)
3599 (?d gnus-tmp-description ?s)
3601 (?l gnus-tmp-length ?d)
3602 (?e gnus-tmp-dots ?s)))
3604 (defvar gnus-mime-button-commands
3605 '((gnus-article-press-button "\r" "Toggle Display")
3606 (gnus-mime-view-part "v" "View Interactively...")
3607 (gnus-mime-view-part-as-type "t" "View As Type...")
3608 (gnus-mime-view-part-as-charset "C" "View As charset...")
3609 (gnus-mime-save-part "o" "Save...")
3610 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
3611 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
3612 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
3613 (gnus-mime-internalize-part "E" "View Internally")
3614 (gnus-mime-externalize-part "e" "View Externally")
3615 (gnus-mime-pipe-part "|" "Pipe To Command...")
3616 (gnus-mime-action-on-part "." "Take action on the part")))
3618 (defun gnus-article-mime-part-status ()
3619 (with-current-buffer gnus-article-buffer
3620 (let ((entity (get-text-property (point-min) 'mime-view-entity))
3623 (setq children (mime-entity-children entity))
3624 (setq children (length children)))
3627 (format " (%d parts)" children))
3630 (defvar gnus-mime-button-map
3631 (let ((map (make-sparse-keymap)))
3632 (unless (>= (string-to-number emacs-version) 21)
3633 ;; XEmacs doesn't care.
3634 (set-keymap-parent map gnus-article-mode-map))
3635 (define-key map gnus-mouse-2 'gnus-article-push-button)
3636 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
3637 (dolist (c gnus-mime-button-commands)
3638 (define-key map (cadr c) (car c)))
3641 (defun gnus-mime-button-menu (event)
3642 "Construct a context-sensitive menu of MIME commands."
3644 (save-window-excursion
3645 (let ((pos (event-start event)))
3646 (select-window (posn-window pos))
3647 (goto-char (posn-point pos))
3648 (gnus-article-check-buffer)
3649 (let ((response (x-popup-menu
3651 ("" ,@(mapcar (lambda (c)
3652 (cons (caddr c) (car c)))
3653 gnus-mime-button-commands))))))
3655 (call-interactively response))))))
3657 (defun gnus-mime-view-all-parts (&optional handles)
3658 "View all the MIME parts."
3660 (save-current-buffer
3661 (set-buffer gnus-article-buffer)
3662 (let ((handles (or handles gnus-article-mime-handles))
3663 (mail-parse-charset gnus-newsgroup-charset)
3664 (mail-parse-ignored-charsets
3665 (with-current-buffer gnus-summary-buffer
3666 gnus-newsgroup-ignored-charsets)))
3668 (mm-remove-parts handles)
3669 (goto-char (point-min))
3670 (or (search-forward "\n\n") (goto-char (point-max)))
3671 (let (buffer-read-only)
3672 (delete-region (point) (point-max)))
3673 (mm-display-parts handles)))))
3675 (defun gnus-mime-save-part-and-strip ()
3676 "Save the MIME part under point then replace it with an external body."
3678 (gnus-article-check-buffer)
3679 (let* ((data (get-text-property (point) 'gnus-data))
3681 (if (mm-multiple-handles gnus-article-mime-handles)
3682 (error "This function is not implemented."))
3683 (setq file (and data (mm-save-part data)))
3685 (with-current-buffer (mm-handle-buffer data)
3687 (insert "Content-Type: " (mm-handle-media-type data))
3688 (mml-insert-parameter-string (cdr (mm-handle-type data))
3691 (insert "Content-ID: " (message-make-message-id) "\n")
3692 (insert "Content-Transfer-Encoding: binary\n")
3695 (cdr (mm-make-handle nil
3696 `("message/external-body"
3697 (access-type . "LOCAL-FILE")
3699 (set-buffer gnus-summary-buffer)
3700 (gnus-article-edit-article
3703 (let ((mail-parse-charset (or gnus-article-charset
3704 ',gnus-newsgroup-charset))
3705 (mail-parse-ignored-charsets
3706 (or gnus-article-ignored-charsets
3707 ',gnus-newsgroup-ignored-charsets))
3708 (mbl mml-buffer-list))
3709 (setq mml-buffer-list nil)
3710 (insert-buffer gnus-original-article-buffer)
3711 (mime-to-mml gnus-article-mime-handles)
3712 (setq gnus-article-mime-handles nil)
3713 (make-local-hook 'kill-buffer-hook)
3714 (let ((mbl1 mml-buffer-list))
3715 (setq mml-buffer-list mbl)
3716 (set (make-local-variable 'mml-buffer-list) mbl1))
3717 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
3718 `(lambda (no-highlight)
3719 (let ((mail-parse-charset (or gnus-article-charset
3720 ',gnus-newsgroup-charset))
3721 (message-options message-options)
3722 (message-options-set-recipient)
3723 (mail-parse-ignored-charsets
3724 (or gnus-article-ignored-charsets
3725 ',gnus-newsgroup-ignored-charsets)))
3727 (mml-destroy-buffers)
3728 (remove-hook 'kill-buffer-hook
3729 'mml-destroy-buffers t)
3730 (kill-local-variable 'mml-buffer-list))
3731 (gnus-summary-edit-article-done
3732 ,(or (mail-header-references gnus-current-headers) "")
3733 ,(gnus-group-read-only-p)
3734 ,gnus-summary-buffer no-highlight))))))
3736 (defun gnus-mime-save-part ()
3737 "Save the MIME part under point."
3739 (gnus-article-check-buffer)
3740 (let ((data (get-text-property (point) 'gnus-data)))
3742 (mm-save-part data))))
3744 (defun gnus-mime-pipe-part ()
3745 "Pipe the MIME part under point to a process."
3747 (gnus-article-check-buffer)
3748 (let ((data (get-text-property (point) 'gnus-data)))
3750 (mm-pipe-part data))))
3752 (defun gnus-mime-view-part ()
3753 "Interactively choose a viewing method for the MIME part under point."
3755 (gnus-article-check-buffer)
3756 (let ((data (get-text-property (point) 'gnus-data)))
3758 (setq gnus-article-mime-handles
3760 gnus-article-mime-handles (setq data (copy-sequence data))))
3761 (mm-interactively-view-part data))))
3763 (defun gnus-mime-view-part-as-type-internal ()
3764 (gnus-article-check-buffer)
3765 (let* ((name (mail-content-type-get
3766 (mm-handle-type (get-text-property (point) 'gnus-data))
3768 (def-type (and name (mm-default-file-encoding name))))
3769 (and def-type (cons def-type 0))))
3771 (defun gnus-mime-view-part-as-type (&optional mime-type)
3772 "Choose a MIME media type, and view the part as such."
3775 (setq mime-type (completing-read
3776 "View as MIME type: "
3777 (mapcar #'list (mailcap-mime-types))
3779 (gnus-mime-view-part-as-type-internal))))
3780 (gnus-article-check-buffer)
3781 (let ((handle (get-text-property (point) 'gnus-data)))
3784 (mm-make-handle (mm-handle-buffer handle)
3785 (cons mime-type (cdr (mm-handle-type handle)))
3786 (mm-handle-encoding handle)
3787 (mm-handle-undisplayer handle)
3788 (mm-handle-disposition handle)
3789 (mm-handle-description handle)
3790 (mm-handle-cache handle)
3791 (mm-handle-id handle)))
3792 (setq gnus-article-mime-handles
3793 (mm-merge-handles gnus-article-mime-handles handle))
3794 (gnus-mm-display-part handle))))
3796 (defun gnus-mime-copy-part (&optional handle)
3797 "Put the the MIME part under point into a new buffer."
3799 (gnus-article-check-buffer)
3800 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3801 (contents (and handle (mm-get-part handle)))
3803 (file-name-nondirectory
3805 (mail-content-type-get (mm-handle-type handle) 'name)
3806 (mail-content-type-get (mm-handle-type handle)
3809 (buffer (and base (generate-new-buffer base))))
3811 (switch-to-buffer buffer)
3813 ;; We do it this way to make `normal-mode' set the appropriate mode.
3816 (setq buffer-file-name (expand-file-name base))
3818 (setq buffer-file-name nil))
3819 (goto-char (point-min)))))
3821 (defun gnus-mime-inline-part (&optional handle arg)
3822 "Insert the MIME part under point into the current buffer."
3823 (interactive (list nil current-prefix-arg))
3824 (gnus-article-check-buffer)
3825 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3830 (if (and (not arg) (mm-handle-undisplayer handle))
3831 (mm-remove-part handle)
3832 (setq contents (mm-get-part handle))
3835 (setq charset (or (mail-content-type-get
3836 (mm-handle-type handle) 'charset)
3837 gnus-newsgroup-charset)))
3839 (if (mm-handle-undisplayer handle)
3840 (mm-remove-part handle))
3843 gnus-summary-show-article-charset-alist))
3844 (read-coding-system "Charset: ")))))
3846 (mm-insert-inline handle
3848 (setq charset (mm-charset-to-coding-system
3850 (not (eq charset 'ascii)))
3851 (mm-decode-coding-string contents charset)
3855 (defun gnus-mime-view-part-as-charset (&optional handle arg)
3856 "Insert the MIME part under point into the current buffer."
3857 (interactive (list nil current-prefix-arg))
3858 (gnus-article-check-buffer)
3859 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3864 (if (mm-handle-undisplayer handle)
3865 (mm-remove-part handle))
3866 (let ((gnus-newsgroup-charset
3868 gnus-summary-show-article-charset-alist))
3869 (read-coding-system "Charset: ")))
3870 (gnus-newsgroup-ignored-charsets 'gnus-all))
3871 (gnus-article-press-button)))))
3873 (defun gnus-mime-externalize-part (&optional handle)
3874 "View the MIME part under point with an external viewer."
3876 (gnus-article-check-buffer)
3877 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3878 (mm-user-display-methods nil)
3879 (mm-inlined-types nil)
3880 (mail-parse-charset gnus-newsgroup-charset)
3881 (mail-parse-ignored-charsets
3882 (save-excursion (set-buffer gnus-summary-buffer)
3883 gnus-newsgroup-ignored-charsets)))
3885 (if (mm-handle-undisplayer handle)
3886 (mm-remove-part handle)
3887 (mm-display-part handle)))))
3889 (defun gnus-mime-internalize-part (&optional handle)
3890 "View the MIME part under point with an internal viewer.
3891 In no internal viewer is available, use an external viewer."
3893 (gnus-article-check-buffer)
3894 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3895 (mm-inlined-types '(".*"))
3896 (mm-inline-large-images t)
3897 (mail-parse-charset gnus-newsgroup-charset)
3898 (mail-parse-ignored-charsets
3899 (save-excursion (set-buffer gnus-summary-buffer)
3900 gnus-newsgroup-ignored-charsets)))
3902 (if (mm-handle-undisplayer handle)
3903 (mm-remove-part handle)
3904 (mm-display-part handle)))))
3906 (defun gnus-mime-action-on-part (&optional action)
3907 "Do something with the MIME attachment at \(point\)."
3909 (list (completing-read "Action: " gnus-mime-action-alist)))
3910 (gnus-article-check-buffer)
3911 (let ((action-pair (assoc action gnus-mime-action-alist)))
3913 (funcall (cdr action-pair)))))
3915 (defun gnus-article-part-wrapper (n function)
3916 (save-current-buffer
3917 (set-buffer gnus-article-buffer)
3918 (when (> n (length gnus-article-mime-handle-alist))
3919 (error "No such part"))
3920 (gnus-article-goto-part n)
3921 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
3922 (funcall function handle))))
3924 (defun gnus-article-pipe-part (n)
3925 "Pipe MIME part N, which is the numerical prefix."
3927 (gnus-article-part-wrapper n 'mm-pipe-part))
3929 (defun gnus-article-save-part (n)
3930 "Save MIME part N, which is the numerical prefix."
3932 (gnus-article-part-wrapper n 'mm-save-part))
3934 (defun gnus-article-interactively-view-part (n)
3935 "View MIME part N interactively, which is the numerical prefix."
3937 (gnus-article-part-wrapper n 'mm-interactively-view-part))
3939 (defun gnus-article-copy-part (n)
3940 "Copy MIME part N, which is the numerical prefix."
3942 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
3944 (defun gnus-article-view-part-as-charset (n)
3945 "Copy MIME part N, which is the numerical prefix."
3947 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
3949 (defun gnus-article-externalize-part (n)
3950 "View MIME part N externally, which is the numerical prefix."
3952 (gnus-article-part-wrapper n 'gnus-mime-externalize-part))
3954 (defun gnus-article-inline-part (n)
3955 "Inline MIME part N, which is the numerical prefix."
3957 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
3959 (defun gnus-article-mime-match-handle-first (condition)
3961 (let ((alist gnus-article-mime-handle-alist) ihandle n)
3962 (while (setq ihandle (pop alist))
3964 ((functionp condition)
3965 (funcall condition (cdr ihandle)))
3966 ((eq condition 'undisplayed)
3967 (not (or (mm-handle-undisplayer (cdr ihandle))
3968 (equal (mm-handle-media-type (cdr ihandle))
3969 "multipart/alternative"))))
3970 ((eq condition 'undisplayed-alternative)
3971 (not (mm-handle-undisplayer (cdr ihandle))))
3973 (gnus-article-goto-part (car ihandle))
3974 (or (not n) (< (car ihandle) n)))
3975 (setq n (car ihandle))))
3979 (defun gnus-article-view-part (&optional n)
3980 "View MIME part N, which is the numerical prefix."
3982 (save-current-buffer
3983 (set-buffer gnus-article-buffer)
3984 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
3985 gnus-article-mime-match-handle-function)))
3986 (when (> n (length gnus-article-mime-handle-alist))
3987 (error "No such part"))
3988 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
3989 (when (gnus-article-goto-part n)
3990 (if (equal (car handle) "multipart/alternative")
3991 (gnus-article-press-button)
3992 (when (eq (gnus-mm-display-part handle) 'internal)
3993 (gnus-set-window-start)))))))
3995 (defsubst gnus-article-mime-total-parts ()
3996 (if (bufferp (car gnus-article-mime-handles))
3998 (1- (length gnus-article-mime-handles))))
4000 (defun gnus-mm-display-part (handle)
4001 "Display HANDLE and fix MIME button."
4002 (let ((id (get-text-property (point) 'gnus-part))
4007 (let ((window (selected-window))
4008 (mail-parse-charset gnus-newsgroup-charset)
4009 (mail-parse-ignored-charsets
4010 (save-excursion (set-buffer gnus-summary-buffer)
4011 gnus-newsgroup-ignored-charsets)))
4014 (let ((win (get-buffer-window (current-buffer) t))
4017 (select-window win))
4020 (if (mm-handle-displayed-p handle)
4021 ;; This will remove the part.
4022 (mm-display-part handle)
4024 (narrow-to-region (point) (1+ (point)))
4025 (mm-display-part handle)
4026 ;; We narrow to the part itself and
4027 ;; then call the treatment functions.
4028 (goto-char (point-min))
4030 (narrow-to-region (point) (point-max))
4033 (gnus-article-mime-total-parts)
4034 (mm-handle-media-type handle)))))
4035 (select-window window))))
4037 (delete-region (gnus-point-at-bol) (progn (forward-line 1) (point)))
4038 (gnus-insert-mime-button
4039 handle id (list (mm-handle-displayed-p handle)))
4040 (goto-char point))))
4042 (defun gnus-article-goto-part (n)
4043 "Go to MIME part N."
4044 (let ((point (text-property-any (point-min) (point-max) 'gnus-part n)))
4046 (goto-char point))))
4048 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4049 (let ((gnus-tmp-name
4050 (or (mail-content-type-get (mm-handle-type handle)
4052 (mail-content-type-get (mm-handle-disposition handle)
4054 (mail-content-type-get (mm-handle-type handle)
4057 (gnus-tmp-type (mm-handle-media-type handle))
4058 (gnus-tmp-description
4059 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4062 (if (if displayed (car displayed)
4063 (mm-handle-displayed-p handle))
4065 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4067 gnus-tmp-type-long b e)
4068 (when (string-match ".*/" gnus-tmp-name)
4069 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4070 (setq gnus-tmp-type-long (concat gnus-tmp-type
4071 (and (not (equal gnus-tmp-name ""))
4072 (concat "; " gnus-tmp-name))))
4073 (or (equal gnus-tmp-description "")
4074 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4079 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4080 `(keymap ,gnus-mime-button-map
4081 ,@(if (>= (string-to-number emacs-version) 21)
4083 (list 'local-map gnus-mime-button-map))
4084 gnus-callback gnus-mm-display-part
4085 gnus-part ,gnus-tmp-id
4086 article-type annotation
4089 (widget-convert-button
4092 :action 'gnus-widget-press-button
4093 :button-keymap gnus-mime-button-map
4095 (lambda (widget/window &optional overlay pos)
4096 ;; Needed to properly clear the message due to a bug in
4097 ;; wid-edit (XEmacs only).
4098 (if (boundp 'help-echo-owns-message)
4099 (setq help-echo-owns-message t))
4101 "%S: %s the MIME part; %S: more options"
4102 (aref gnus-mouse-2 0)
4103 ;; XEmacs will get a single widget arg; Emacs 21 will get
4104 ;; window, overlay, position.
4105 (if (mm-handle-displayed-p
4107 (with-current-buffer (gnus-overlay-buffer overlay)
4108 (widget-get (widget-at (gnus-overlay-start overlay))
4110 (widget-get widget/window :mime-handle)))
4112 (aref gnus-down-mouse-3 0))))))
4114 (defun gnus-widget-press-button (elems el)
4115 (goto-char (widget-get elems :from))
4116 (gnus-article-press-button))
4118 (defvar gnus-displaying-mime nil)
4120 (defun gnus-display-mime (&optional ihandles)
4121 "Display the MIME parts."
4123 (save-selected-window
4124 (let ((window (get-buffer-window gnus-article-buffer))
4127 (select-window window)
4128 ;; We have to do this since selecting the window
4129 ;; may change the point. So we set the window point.
4130 (set-window-point window point)))
4131 (let* ((handles (or ihandles (mm-dissect-buffer) (mm-uu-dissect)))
4132 buffer-read-only handle name type b e display)
4133 (when (and (not ihandles)
4134 (not gnus-displaying-mime))
4135 ;; Top-level call; we clean up.
4136 (when gnus-article-mime-handles
4137 (mm-destroy-parts gnus-article-mime-handles)
4138 (setq gnus-article-mime-handle-alist nil));; A trick.
4139 (setq gnus-article-mime-handles handles)
4140 ;; We allow users to glean info from the handles.
4141 (when gnus-article-mime-part-function
4142 (gnus-mime-part-function handles)))
4144 (or (not (stringp (car handles)))
4147 (when (and (not ihandles)
4148 (not gnus-displaying-mime))
4149 ;; Clean up for mime parts.
4151 (delete-region (point) (point-max)))
4152 (let ((gnus-displaying-mime t))
4153 (gnus-mime-display-part handles)))
4156 (narrow-to-region (point) (point-max))
4157 (gnus-treat-article nil 1 1)
4160 ;; Highlight the headers.
4164 (narrow-to-region (point-min) (point))
4165 (gnus-treat-article 'head))))))))
4167 (defvar gnus-mime-display-multipart-as-mixed nil)
4168 (defvar gnus-mime-display-multipart-alternative-as-mixed nil)
4169 (defvar gnus-mime-display-multipart-related-as-mixed nil)
4171 (defun gnus-mime-display-part (handle)
4174 ((not (stringp (car handle)))
4175 (gnus-mime-display-single handle))
4176 ;; User-defined multipart
4177 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
4178 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
4180 ;; multipart/alternative
4181 ((and (equal (car handle) "multipart/alternative")
4182 (not (or gnus-mime-display-multipart-as-mixed
4183 gnus-mime-display-multipart-alternative-as-mixed)))
4184 (let ((id (1+ (length gnus-article-mime-handle-alist))))
4185 (push (cons id handle) gnus-article-mime-handle-alist)
4186 (gnus-mime-display-alternative (cdr handle) nil nil id)))
4187 ;; multipart/related
4188 ((and (equal (car handle) "multipart/related")
4189 (not (or gnus-mime-display-multipart-as-mixed
4190 gnus-mime-display-multipart-related-as-mixed)))
4191 ;;;!!!We should find the start part, but we just default
4192 ;;;!!!to the first part.
4193 ;;(gnus-mime-display-part (cadr handle))
4194 ;;;!!! Most multipart/related is an HTML message plus images.
4195 ;;;!!! Unfortunately we are unable to let W3 display those
4196 ;;;!!! included images, so we just display it as a mixed multipart.
4197 ;;(gnus-mime-display-mixed (cdr handle))
4198 ;;;!!! No, w3 can display everything just fine.
4199 (gnus-mime-display-part (cadr handle)))
4200 ((equal (car handle) "multipart/signed")
4201 (or (memq 'signed gnus-article-wash-types)
4202 (push 'signed gnus-article-wash-types))
4203 (gnus-mime-display-security handle))
4204 ((equal (car handle) "multipart/encrypted")
4205 (or (memq 'encrypted gnus-article-wash-types)
4206 (push 'encrypted gnus-article-wash-types))
4207 (gnus-mime-display-security handle))
4208 ;; Other multiparts are handled like multipart/mixed.
4210 (gnus-mime-display-mixed (cdr handle)))))
4212 (defun gnus-mime-part-function (handles)
4213 (if (stringp (car handles))
4214 (mapcar 'gnus-mime-part-function (cdr handles))
4215 (funcall gnus-article-mime-part-function handles)))
4217 (defun gnus-mime-display-mixed (handles)
4218 (mapcar 'gnus-mime-display-part handles))
4220 (defun gnus-mime-display-single (handle)
4221 (let ((type (mm-handle-media-type handle))
4222 (ignored gnus-ignored-mime-types)
4229 (when (string-match (pop ignored) type)
4230 (throw 'ignored nil)))
4231 (if (and (setq not-attachment
4232 (and (not (mm-inline-override-p handle))
4233 (or (not (mm-handle-disposition handle))
4234 (equal (car (mm-handle-disposition handle))
4236 (mm-attachment-override-p handle))))
4237 (mm-automatic-display-p handle)
4238 (or (mm-inlined-p handle)
4239 (mm-automatic-external-display-p type)))
4241 (when (equal (mm-handle-media-supertype handle) "text")
4243 (let ((id (1+ (length gnus-article-mime-handle-alist)))
4245 (push (cons id handle) gnus-article-mime-handle-alist)
4246 (when (or (not display)
4247 (not (gnus-unbuttonized-mime-type-p type)))
4248 ;(gnus-article-insert-newline)
4249 (gnus-insert-mime-button
4250 handle id (list (or display (and not-attachment text))))
4251 (gnus-article-insert-newline)
4252 ;(gnus-article-insert-newline)
4253 ;; Remember modify the number of forward lines.
4261 (let ((mail-parse-charset gnus-newsgroup-charset)
4262 (mail-parse-ignored-charsets
4263 (save-excursion (condition-case ()
4264 (set-buffer gnus-summary-buffer)
4266 gnus-newsgroup-ignored-charsets)))
4267 (mm-display-part handle t))
4268 (goto-char (point-max)))
4269 ((and text not-attachment)
4273 (gnus-article-insert-newline)
4274 (mm-insert-inline handle (mm-get-part handle))
4275 (goto-char (point-max))))
4279 (narrow-to-region beg (point))
4282 (gnus-article-mime-total-parts)
4283 (mm-handle-media-type handle)))))))))
4285 (defun gnus-unbuttonized-mime-type-p (type)
4286 "Say whether TYPE is to be unbuttonized."
4287 (unless gnus-inhibit-mime-unbuttonizing
4289 (let ((types gnus-unbuttonized-mime-types))
4291 (when (string-match (pop types) type)
4292 (throw 'found t)))))))
4294 (defun gnus-article-insert-newline ()
4295 "Insert a newline, but mark it as undeletable."
4296 (gnus-put-text-property
4297 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
4299 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
4300 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
4303 handle buffer-read-only from props begend not-pref)
4304 (save-window-excursion
4307 (narrow-to-region (car ibegend)
4310 (goto-char (car ibegend))
4313 (delete-region (point-min) (point-max))
4314 (mm-remove-parts handles))
4315 (setq begend (list (point-marker)))
4317 (unless (setq not-pref (cadr (member preferred ihandles)))
4318 (setq not-pref (car ihandles)))
4321 (not (gnus-unbuttonized-mime-type-p
4322 "multipart/alternative")))
4323 (gnus-add-text-properties
4326 (insert (format "%d. " id))
4330 (unless ,(not ibegend)
4331 (setq gnus-article-mime-handle-alist
4332 ',gnus-article-mime-handle-alist))
4333 (gnus-mime-display-alternative
4334 ',ihandles ',not-pref ',begend ,id))
4335 ,@(if (>= (string-to-number emacs-version) 21)
4336 nil ;; XEmacs doesn't care
4337 (list 'local-map gnus-mime-button-map))
4338 ,gnus-mouse-face-prop ,gnus-article-mouse-face
4339 face ,gnus-article-button-face
4340 keymap ,gnus-mime-button-map
4343 (widget-convert-button 'link from (point)
4344 :action 'gnus-widget-press-button
4345 :button-keymap gnus-widget-button-keymap)
4347 (while (setq handle (pop handles))
4348 (gnus-add-text-properties
4351 (insert (format "(%c) %-18s"
4352 (if (equal handle preferred) ?* ? )
4353 (mm-handle-media-type handle)))
4357 (unless ,(not ibegend)
4358 (setq gnus-article-mime-handle-alist
4359 ',gnus-article-mime-handle-alist))
4360 (gnus-mime-display-alternative
4361 ',ihandles ',handle ',begend ,id))
4362 ,@(if (>= (string-to-number emacs-version) 21)
4363 nil ;; XEmacs doesn't care
4364 (list 'local-map gnus-mime-button-map))
4365 ,gnus-mouse-face-prop ,gnus-article-mouse-face
4366 face ,gnus-article-button-face
4367 keymap ,gnus-mime-button-map
4370 (widget-convert-button 'link from (point)
4371 :action 'gnus-widget-press-button
4372 :button-keymap gnus-widget-button-keymap)
4376 (if (stringp (car preferred))
4377 (gnus-display-mime preferred)
4378 (let ((mail-parse-charset gnus-newsgroup-charset)
4379 (mail-parse-ignored-charsets
4380 (save-excursion (set-buffer gnus-summary-buffer)
4381 gnus-newsgroup-ignored-charsets)))
4382 (mm-display-part preferred)
4386 (narrow-to-region (car begend) (point-max))
4388 nil (length gnus-article-mime-handle-alist)
4389 (gnus-article-mime-total-parts)
4390 (mm-handle-media-type handle))))))
4391 (goto-char (point-max))
4392 (setcdr begend (point-marker)))))
4394 (goto-char point))))
4396 (defun gnus-article-wash-status ()
4397 "Return a string which display status of article washing."
4399 (set-buffer gnus-article-buffer)
4400 (let ((cite (memq 'cite gnus-article-wash-types))
4401 (headers (memq 'headers gnus-article-wash-types))
4402 (boring (memq 'boring-headers gnus-article-wash-types))
4403 (pgp (memq 'pgp gnus-article-wash-types))
4404 (pem (memq 'pem gnus-article-wash-types))
4405 (signed (memq 'signed gnus-article-wash-types))
4406 (encrypted (memq 'encrypted gnus-article-wash-types))
4407 (signature (memq 'signature gnus-article-wash-types))
4408 (overstrike (memq 'overstrike gnus-article-wash-types))
4409 (emphasis (memq 'emphasis gnus-article-wash-types)))
4410 (format "%c%c%c%c%c%c%c"
4412 (if (or headers boring) ?h ? )
4413 (if (or pgp pem signed encrypted) ?p ? )
4414 (if signature ?s ? )
4415 (if overstrike ?o ? )
4416 (if gnus-show-mime ?m ? )
4417 (if emphasis ?e ? )))))
4419 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
4421 (defun gnus-article-maybe-hide-headers ()
4422 "Hide unwanted headers if `gnus-have-all-headers' is nil.
4423 Provided for backwards compatibility."
4424 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
4425 (not (save-excursion (set-buffer gnus-summary-buffer)
4426 gnus-have-all-headers)))
4427 (not gnus-inhibit-hiding))
4428 (gnus-article-hide-headers)))
4432 (defun gnus-output-to-file (file-name)
4433 "Append the current article to a file named FILE-NAME."
4434 (let ((artbuf (current-buffer)))
4436 (insert-buffer-substring artbuf)
4437 ;; Append newline at end of the buffer as separator, and then
4439 (goto-char (point-max))
4441 (write-region-as-binary (point-min) (point-max) file-name 'append)
4444 (defun gnus-narrow-to-page (&optional arg)
4445 "Narrow the article buffer to a page.
4446 If given a numerical ARG, move forward ARG pages."
4448 (setq arg (if arg (prefix-numeric-value arg) 0))
4450 (set-buffer gnus-article-buffer)
4451 (goto-char (point-min))
4453 ;; Remove any old next/prev buttons.
4454 (when (gnus-visual-p 'page-marker)
4455 (let ((buffer-read-only nil))
4456 (gnus-remove-text-with-property 'gnus-prev)
4457 (gnus-remove-text-with-property 'gnus-next)))
4460 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
4462 (re-search-forward page-delimiter nil 'move arg)))
4463 (goto-char (match-end 0)))
4466 (if (re-search-forward page-delimiter nil 'move)
4469 (when (and (gnus-visual-p 'page-marker)
4470 (not (= (point-min) 1)))
4472 (goto-char (point-min))
4473 (gnus-insert-prev-page-button)))
4474 (when (and (gnus-visual-p 'page-marker)
4475 (< (+ (point-max) 2) (buffer-size)))
4477 (goto-char (point-max))
4478 (gnus-insert-next-page-button)))))
4480 ;; Article mode commands
4482 (defun gnus-article-goto-next-page ()
4483 "Show the next page of the article."
4485 (when (gnus-article-next-page)
4486 (goto-char (point-min))
4487 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
4489 (defun gnus-article-goto-prev-page ()
4490 "Show the next page of the article."
4492 (if (bobp) (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
4493 (gnus-article-prev-page nil)))
4495 (defun gnus-article-next-page (&optional lines)
4496 "Show the next page of the current article.
4497 If end of article, return non-nil. Otherwise return nil.
4498 Argument LINES specifies lines to be scrolled up."
4500 (let ((start (window-start))
4501 end-of-buffer end-of-page)
4503 (move-to-window-line -1)
4504 (if (<= (point) start)
4507 (setq start (point)))
4510 (unless (or (cond ((eq (1+ (buffer-size)) (point))
4511 (and (pos-visible-in-window-p)
4512 (setq end-of-buffer t)))
4514 (setq end-of-page t)))
4516 (move-to-window-line lines)
4517 (unless (search-backward "\n\n" nil t)
4518 (setq start (point)))))
4519 (cond (end-of-buffer t)
4521 (gnus-narrow-to-page 1)
4525 (set-window-start (selected-window) start)
4526 (let (window-pixel-scroll-increment)
4530 (defun gnus-article-prev-page (&optional lines)
4531 "Show previous page of current article.
4532 Argument LINES specifies lines to be scrolled down."
4534 (let (beginning-of-buffer beginning-of-page)
4536 (move-to-window-line 0)
4537 (cond ((eq 1 (point))
4538 (setq beginning-of-buffer t))
4540 (setq beginning-of-page t))))
4541 (cond (beginning-of-buffer)
4543 (gnus-narrow-to-page -1))
4546 (let (window-pixel-scroll-increment)
4547 (scroll-down lines))
4548 (beginning-of-buffer
4549 (goto-char (point-min))))))))
4551 (defun gnus-article-refer-article ()
4552 "Read article specified by message-id around point."
4554 (let ((point (point)))
4555 (search-forward ">" nil t) ;Move point to end of "<....>".
4556 (if (re-search-backward "\\(<[^<> \t\n]+>\\)" nil t)
4557 (let ((message-id (match-string 1)))
4559 (set-buffer gnus-summary-buffer)
4560 (gnus-summary-refer-article message-id))
4562 (error "No references around point"))))
4564 (defun gnus-article-show-summary ()
4565 "Reconfigure windows to show summary buffer."
4567 (if (not (gnus-buffer-live-p gnus-summary-buffer))
4568 (error "There is no summary buffer for this article buffer")
4569 (gnus-article-set-globals)
4570 (gnus-configure-windows 'article)
4571 (gnus-summary-goto-subject gnus-current-article)
4572 (gnus-summary-position-point)))
4574 (defun gnus-article-describe-briefly ()
4575 "Describe article mode commands briefly."
4577 (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")))
4579 (defun gnus-article-summary-command ()
4580 "Execute the last keystroke in the summary buffer."
4582 (let ((obuf (current-buffer))
4583 (owin (current-window-configuration))
4585 (switch-to-buffer gnus-article-current-summary 'norecord)
4586 (setq func (lookup-key (current-local-map) (this-command-keys)))
4587 (call-interactively func)
4589 (set-window-configuration owin)
4590 (set-window-point (get-buffer-window (current-buffer)) (point))))
4592 (defun gnus-article-summary-command-nosave ()
4593 "Execute the last keystroke in the summary buffer."
4596 (pop-to-buffer gnus-article-current-summary 'norecord)
4597 (setq func (lookup-key (current-local-map) (this-command-keys)))
4598 (call-interactively func)))
4600 (defun gnus-article-check-buffer ()
4601 "Beep if not in an article buffer."
4602 (unless (eq (get-buffer gnus-article-buffer) (current-buffer))
4603 (error "Command invoked outside of a Gnus article buffer")))
4605 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
4606 "Read a summary buffer key sequence and execute it from the article buffer."
4608 (gnus-article-check-buffer)
4610 '("q" "Q" "c" "r" "R" "\C-c\C-f" "m" "a" "f" "F"
4611 "Zc" "ZC" "ZE" "ZJ" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
4612 "=" "^" "\M-^" "|"))
4618 '("n" "Gn" "p" "Gp"))
4621 (set-buffer gnus-article-current-summary)
4622 (let (gnus-pick-mode)
4623 (push (or key last-command-event) unread-command-events)
4624 (setq keys (static-if (featurep 'xemacs)
4625 (events-to-keys (read-key-sequence nil))
4626 (read-key-sequence nil)))))
4629 (if (or (member keys nosaves)
4630 (member keys nosave-but-article)
4631 (member keys nosave-in-article))
4633 (save-window-excursion
4634 (pop-to-buffer gnus-article-current-summary 'norecord)
4635 ;; We disable the pick minor mode commands.
4636 (let (gnus-pick-mode)
4637 (setq func (lookup-key (current-local-map) keys))))
4641 (unless (member keys nosave-in-article)
4642 (set-buffer gnus-article-current-summary))
4643 (call-interactively func)
4644 (setq new-sum-point (point)))
4645 (when (member keys nosave-but-article)
4646 (pop-to-buffer gnus-article-buffer 'norecord)))
4647 ;; These commands should restore window configuration.
4648 (let ((obuf (current-buffer))
4649 (owin (current-window-configuration))
4651 (summary gnus-article-current-summary)
4652 func in-buffer selected)
4653 (if not-restore-window
4654 (pop-to-buffer summary 'norecord)
4655 (switch-to-buffer summary 'norecord))
4656 (setq in-buffer (current-buffer))
4657 ;; We disable the pick minor mode commands.
4658 (if (and (setq func (let (gnus-pick-mode)
4659 (lookup-key (current-local-map) keys)))
4662 (call-interactively func)
4663 (setq new-sum-point (point))
4664 (when (eq in-buffer (current-buffer))
4665 (setq selected (gnus-summary-select-article))
4667 (unless not-restore-window
4668 (set-window-configuration owin))
4669 (when (eq selected 'old)
4671 (set-window-start (get-buffer-window (current-buffer))
4673 (set-window-point (get-buffer-window (current-buffer))
4675 (let ((win (get-buffer-window gnus-article-current-summary)))
4677 (set-window-point win new-sum-point)))) )
4678 (switch-to-buffer gnus-article-buffer)
4681 (defun gnus-article-describe-key (key)
4682 "Display documentation of the function invoked by KEY. KEY is a string."
4683 (interactive "kDescribe key: ")
4684 (gnus-article-check-buffer)
4685 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
4687 (set-buffer gnus-article-current-summary)
4688 (let (gnus-pick-mode)
4689 (if (featurep 'xemacs)
4691 (push (elt key 0) unread-command-events)
4692 (setq key (events-to-keys
4693 (read-key-sequence "Describe key: "))))
4694 (setq unread-command-events
4696 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
4698 (setq key (read-key-sequence "Describe key: "))))
4700 (describe-key key)))
4702 (defun gnus-article-describe-key-briefly (key &optional insert)
4703 "Display documentation of the function invoked by KEY. KEY is a string."
4704 (interactive "kDescribe key: \nP")
4705 (gnus-article-check-buffer)
4706 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
4708 (set-buffer gnus-article-current-summary)
4709 (let (gnus-pick-mode)
4710 (if (featurep 'xemacs)
4712 (push (elt key 0) unread-command-events)
4713 (setq key (events-to-keys
4714 (read-key-sequence "Describe key: "))))
4715 (setq unread-command-events
4717 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
4719 (setq key (read-key-sequence "Describe key: "))))
4720 (describe-key-briefly key insert))
4721 (describe-key-briefly key insert)))
4723 (defun gnus-article-hide (&optional arg force)
4724 "Hide all the gruft in the current article.
4725 This means that PGP stuff, signatures, cited text and (some)
4726 headers will be hidden.
4727 If given a prefix, show the hidden text instead."
4728 (interactive (append (gnus-article-hidden-arg) (list 'force)))
4729 (gnus-article-hide-headers arg)
4730 (gnus-article-hide-list-identifiers arg)
4731 (gnus-article-hide-pgp arg)
4732 (gnus-article-hide-citation-maybe arg force)
4733 (gnus-article-hide-signature arg))
4735 (defun gnus-article-maybe-highlight ()
4736 "Do some article highlighting if article highlighting is requested."
4737 (when (gnus-visual-p 'article-highlight 'highlight)
4738 (gnus-article-highlight-some)))
4740 (defun gnus-check-group-server ()
4741 ;; Make sure the connection to the server is alive.
4742 (unless (gnus-server-opened
4743 (gnus-find-method-for-group gnus-newsgroup-name))
4744 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
4745 (gnus-request-group gnus-newsgroup-name t)))
4747 (defun gnus-request-article-this-buffer (article group)
4748 "Get an article and insert it into this buffer.
4749 T-gnus change: Insert an article into `gnus-original-article-buffer'."
4750 (let (do-update-line sparse-header)
4751 ;; The current buffer is `gnus-article-buffer'.
4755 (gnus-kill-all-overlays)
4756 (setq group (or group gnus-newsgroup-name))
4758 ;; Using `gnus-request-article' directly will insert the article into
4759 ;; `nntp-server-buffer' - so we'll save some time by not having to
4760 ;; copy it from the server buffer into the article buffer.
4762 ;; We only request an article by message-id when we do not have the
4763 ;; headers for it, so we'll have to get those.
4764 (when (stringp article)
4765 (gnus-read-header article))
4767 ;; If the article number is negative, that means that this article
4768 ;; doesn't belong in this newsgroup (possibly), so we find its
4769 ;; message-id and request it by id instead of number.
4770 (when (and (numberp article)
4772 (get-buffer gnus-summary-buffer)
4773 (gnus-buffer-exists-p gnus-summary-buffer))
4775 (set-buffer gnus-summary-buffer)
4776 (let ((header (gnus-summary-article-header article)))
4779 ((memq article gnus-newsgroup-sparse)
4780 ;; This is a sparse gap article.
4781 (setq do-update-line article)
4782 (setq article (mail-header-id header))
4783 (setq sparse-header (gnus-read-header article))
4784 (setq gnus-newsgroup-sparse
4785 (delq article gnus-newsgroup-sparse)))
4787 ;; It's a real article.
4788 (setq article (mail-header-id header)))
4790 ;; It is an extracted pseudo-article.
4791 (setq article 'pseudo)
4792 (gnus-request-pseudo-article header))))
4794 (let ((method (gnus-find-method-for-group
4795 gnus-newsgroup-name)))
4796 (when (and (eq (car method) 'nneething)
4798 (let ((dir (expand-file-name
4799 (mail-header-subject header)
4800 (file-name-as-directory
4801 (or (cadr (assq 'nneething-address method))
4803 (when (file-directory-p dir)
4804 (setq article 'nneething)
4805 (gnus-group-enter-directory dir))))))))
4806 (setq gnus-original-article (cons group article))
4808 ;; The current buffer is `gnus-original-article-buffer'.
4809 (if (get-buffer gnus-original-article-buffer)
4810 (set-buffer gnus-original-article-buffer)
4811 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
4812 (set-buffer-multibyte nil)
4813 (buffer-disable-undo)
4814 (setq major-mode 'gnus-original-article-mode)
4815 (setq buffer-read-only nil))
4818 ;; Refuse to select canceled articles.
4819 ((and (numberp article)
4821 (get-buffer gnus-summary-buffer)
4822 (gnus-buffer-exists-p gnus-summary-buffer)
4823 (eq (cdr (save-excursion
4824 (set-buffer gnus-summary-buffer)
4825 (assq article gnus-newsgroup-reads)))
4826 gnus-canceled-mark))
4828 ;; Check the backlog.
4829 ((and gnus-keep-backlog
4830 (gnus-backlog-request-article group article (current-buffer)))
4832 ;; Check asynchronous pre-fetch.
4833 ((gnus-async-request-fetched-article group article (current-buffer))
4834 (gnus-async-prefetch-next group article gnus-summary-buffer)
4835 (when (and (numberp article) gnus-keep-backlog)
4836 (gnus-backlog-enter-article group article (current-buffer)))
4839 ((and gnus-use-cache
4841 (gnus-cache-request-article article group))
4843 ;; Get the article and put into the article buffer.
4844 ((or (stringp article)
4846 (let ((gnus-override-method gnus-override-method)
4847 (methods (and (stringp article)
4848 gnus-refer-article-method))
4850 (buffer-read-only nil))
4851 (if (or (not (listp methods))
4852 (and (symbolp (car methods))
4853 (assq (car methods) nnoo-definition-alist)))
4854 (setq methods (list methods)))
4855 (when (and (null gnus-override-method)
4857 (setq gnus-override-method (pop methods)))
4859 (when (eq gnus-override-method 'current)
4860 (setq gnus-override-method gnus-current-select-method))
4862 (gnus-kill-all-overlays)
4863 (let ((gnus-newsgroup-name group))
4864 (gnus-check-group-server))
4865 (when (gnus-request-article article group (current-buffer))
4866 (when (numberp article)
4867 (gnus-async-prefetch-next group article
4868 gnus-summary-buffer)
4869 (when gnus-keep-backlog
4870 (gnus-backlog-enter-article
4871 group article (current-buffer))))
4872 (setq result 'article))
4875 (setq gnus-override-method (pop methods))
4876 (setq result 'done))))
4877 (and (eq result 'article) 'article)))
4881 ;; Associate this article with the current summary buffer.
4882 (setq gnus-article-current-summary gnus-summary-buffer)
4884 ;; Copy the requested article from `gnus-original-article-buffer'.
4885 (unless (equal (buffer-name (current-buffer))
4886 (buffer-name (get-buffer gnus-original-article-buffer)))
4887 (insert-buffer gnus-original-article-buffer))
4890 (run-hooks 'gnus-article-decode-hook)
4891 ;; Mark article as decoded or not.
4892 (setq gnus-article-decoded-p gnus-article-decode-hook)
4894 ;; Update sparse articles.
4895 (when (and do-update-line
4896 (or (numberp article)
4898 (let ((buf (current-buffer)))
4899 (set-buffer gnus-summary-buffer)
4900 (gnus-summary-update-article do-update-line sparse-header)
4901 (gnus-summary-goto-subject do-update-line nil t)
4902 (set-window-point (get-buffer-window (current-buffer) t)
4904 (set-buffer buf))))))
4910 (defcustom gnus-article-edit-mode-hook nil
4911 "Hook run in article edit mode buffers."
4912 :group 'gnus-article-various
4915 (defcustom gnus-article-edit-article-setup-function
4916 'gnus-article-mime-edit-article-setup
4917 "Function called to setup an editing article buffer."
4918 :group 'gnus-article-various
4921 (defvar gnus-article-edit-done-function nil)
4923 (defvar gnus-article-edit-mode-map nil)
4925 ;; Should we be using derived.el for this?
4926 (unless gnus-article-edit-mode-map
4927 (setq gnus-article-edit-mode-map (make-sparse-keymap))
4928 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
4930 (gnus-define-keys gnus-article-edit-mode-map
4931 "\C-c\C-c" gnus-article-edit-done
4932 "\C-c\C-k" gnus-article-edit-exit)
4934 (gnus-define-keys (gnus-article-edit-wash-map
4935 "\C-c\C-w" gnus-article-edit-mode-map)
4936 "f" gnus-article-edit-full-stops))
4938 (defun gnus-article-edit-mode ()
4939 "Major mode for editing articles.
4940 This is an extended text-mode.
4942 \\{gnus-article-edit-mode-map}"
4944 (setq major-mode 'gnus-article-edit-mode)
4945 (setq mode-name "Article Edit")
4946 (use-local-map gnus-article-edit-mode-map)
4947 (make-local-variable 'gnus-article-edit-done-function)
4948 (make-local-variable 'gnus-prev-winconf)
4949 (setq buffer-read-only nil)
4950 (buffer-enable-undo)
4952 (gnus-run-hooks 'text-mode-hook 'gnus-article-edit-mode-hook))
4954 (defun gnus-article-edit (&optional force)
4955 "Edit the current article.
4956 This will have permanent effect only in mail groups.
4957 If FORCE is non-nil, allow editing of articles even in read-only
4960 (when (and (not force)
4961 (gnus-group-read-only-p))
4962 (error "The current newsgroup does not support article editing"))
4963 (gnus-article-date-original)
4964 (gnus-article-edit-article
4966 `(lambda (no-highlight)
4968 (gnus-summary-edit-article-done
4969 ,(or (mail-header-references gnus-current-headers) "")
4970 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
4972 (defun gnus-article-edit-article (start-func exit-func)
4973 "Start editing the contents of the current article buffer."
4974 (let ((winconf (current-window-configuration)))
4975 (set-buffer gnus-article-buffer)
4976 (gnus-article-edit-mode)
4977 (funcall start-func)
4978 (set-buffer-modified-p nil)
4979 (gnus-configure-windows 'edit-article)
4980 (setq gnus-article-edit-done-function exit-func)
4981 (setq gnus-prev-winconf winconf)
4982 (when gnus-article-edit-article-setup-function
4983 (funcall gnus-article-edit-article-setup-function))
4984 (gnus-message 6 "C-c C-c to end edits; C-c C-k to exit")))
4986 (defun gnus-article-edit-done (&optional arg)
4987 "Update the article edits and exit."
4989 (let ((func gnus-article-edit-done-function)
4990 (buf (current-buffer))
4991 (start (window-start)))
4992 (remove-hook 'gnus-article-mode-hook
4993 'gnus-article-mime-edit-article-unwind)
4994 ;; We remove all text props from the article buffer.
4996 (buffer-substring-no-properties (point-min) (point-max)))
5000 (let ((winconf gnus-prev-winconf))
5002 (set-window-configuration winconf)
5003 ;; Tippy-toe some to make sure that point remains where it was.
5004 (save-current-buffer
5006 (set-window-start (get-buffer-window (current-buffer)) start)
5010 (let ((buffer-read-only nil))
5012 ;; The cache and backlog have to be flushed somewhat.
5013 (when gnus-keep-backlog
5014 (gnus-backlog-remove-article
5015 (car gnus-article-current) (cdr gnus-article-current)))
5016 ;; Flush original article as well.
5018 (when (get-buffer gnus-original-article-buffer)
5019 (set-buffer gnus-original-article-buffer)
5020 (setq gnus-original-article nil)))
5021 (when gnus-use-cache
5022 (gnus-cache-update-article
5023 (car gnus-article-current) (cdr gnus-article-current))))
5025 (set-window-start (get-buffer-window buf) start)
5026 (set-window-point (get-buffer-window buf) (point))))
5028 (defun gnus-article-edit-exit ()
5029 "Exit the article editing without updating."
5031 (when (or (not (buffer-modified-p))
5032 (yes-or-no-p "Article modified; kill anyway? "))
5033 (let ((curbuf (current-buffer))
5035 (window-start (window-start)))
5037 (if (gnus-buffer-live-p gnus-original-article-buffer)
5038 (insert-buffer gnus-original-article-buffer))
5039 (let ((winconf gnus-prev-winconf))
5041 (set-window-configuration winconf)
5042 ;; Tippy-toe some to make sure that point remains where it was.
5043 (save-current-buffer
5045 (set-window-start (get-buffer-window (current-buffer)) window-start)
5048 (defun gnus-article-edit-full-stops ()
5049 "Interactively repair spacing at end of sentences."
5052 (goto-char (point-min))
5053 (search-forward-regexp "^$" nil t)
5054 (let ((case-fold-search nil))
5055 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
5058 ;;; Article editing with MIME-Edit
5061 (defcustom gnus-article-mime-edit-article-setup-hook nil
5062 "Hook run after setting up a MIME editing article buffer."
5063 :group 'gnus-article-various
5066 (defun gnus-article-mime-edit-article-unwind ()
5067 "Unwind `gnus-article-buffer' if article editing was given up."
5068 (remove-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
5069 (when (featurep 'font-lock)
5070 (setq font-lock-defaults nil)
5071 (font-lock-mode -1))
5072 (when mime-edit-mode-flag
5073 (mime-edit-exit 'nomime 'no-error)
5076 (defun gnus-article-mime-edit-article-setup ()
5077 "Convert current buffer to MIME-Edit buffer and turn on MIME-Edit mode
5078 after replacing with the original article."
5079 (setq gnus-show-mime t)
5080 (setq gnus-article-edit-done-function
5081 `(lambda (&rest args)
5082 (when mime-edit-mode-flag
5083 (let (mime-edit-insert-user-agent-field)
5086 (goto-char (point-min))
5087 (let (case-fold-search)
5088 (when (re-search-forward
5089 (format "^%s$" (regexp-quote mail-header-separator))
5091 (replace-match "")))
5092 (apply ,gnus-article-edit-done-function args)
5095 (buffer-substring-no-properties (point-min) (point-max))
5096 (set-buffer (get-buffer-create gnus-original-article-buffer))
5098 (setq gnus-current-headers (gnus-article-make-full-mail-header))
5099 (set-buffer gnus-article-buffer)
5100 (gnus-article-prepare-display)))
5101 (substitute-key-definition 'gnus-article-edit-done
5102 'gnus-article-mime-edit-done
5103 gnus-article-edit-mode-map)
5104 (substitute-key-definition 'gnus-article-edit-exit
5105 'gnus-article-mime-edit-exit
5106 gnus-article-edit-mode-map)
5108 (insert-buffer gnus-original-article-buffer)
5109 (let ((ofn (symbol-function 'mime-edit-decode-single-part-in-buffer)))
5110 (fset 'mime-edit-decode-single-part-in-buffer
5111 (lambda (&rest args)
5112 (if (let ((content-type (car args)))
5113 (and (eq 'message (mime-content-type-primary-type
5115 (eq 'rfc822 (mime-content-type-subtype content-type))))
5116 (setcar (cdr args) 'not-decode-text))
5120 (fset 'mime-edit-decode-single-part-in-buffer ofn)))
5121 (when (featurep 'font-lock)
5122 (set (make-local-variable 'font-lock-defaults)
5123 '(message-font-lock-keywords t))
5124 (font-lock-set-defaults)
5125 (turn-on-font-lock))
5126 (set-buffer-modified-p nil)
5127 (delete-other-windows)
5128 (add-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
5129 (gnus-run-hooks 'gnus-article-mime-edit-article-setup-hook))
5131 (defun gnus-article-mime-edit-done (&optional arg)
5132 "Update the article MIME edits and exit."
5134 (when (featurep 'font-lock)
5135 (setq font-lock-defaults nil)
5136 (font-lock-mode -1))
5137 (gnus-article-edit-done arg))
5139 (defun gnus-article-mime-edit-exit ()
5140 "Exit the article MIME editing without updating."
5142 (when (or (not (buffer-modified-p))
5143 (yes-or-no-p "Article modified; kill anyway? "))
5144 (when (featurep 'font-lock)
5145 (setq font-lock-defaults nil)
5146 (font-lock-mode -1))
5147 (when mime-edit-mode-flag
5148 (let (mime-edit-insert-user-agent-field)
5151 (goto-char (point-min))
5152 (let (case-fold-search)
5153 (when (re-search-forward
5154 (format "^%s$" (regexp-quote mail-header-separator)) nil t)
5155 (replace-match "")))
5156 (let ((winconf gnus-prev-winconf))
5158 (buffer-substring-no-properties (point-min) (point-max))
5159 (set-buffer (get-buffer-create gnus-original-article-buffer))
5161 (setq gnus-current-headers (gnus-article-make-full-mail-header))
5162 (set-buffer gnus-article-buffer)
5163 (gnus-article-prepare-display)
5164 (set-window-configuration winconf))))
5167 ;;; Article highlights
5170 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
5172 ;;; Internal Variables:
5174 (defcustom gnus-button-url-regexp "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\):\\)\\(//[-a-zA-Z0-9_.]+:[0-9]*\\)?\\([-a-zA-Z0-9_=!?#$@~`%&*+|\\/:;.,]\\|\\w\\)+\\([-a-zA-Z0-9_=#$@~`%&*+|\\/]\\|\\w\\)\\)"
5175 "Regular expression that matches URLs."
5176 :group 'gnus-article-buttons
5179 (defcustom gnus-button-alist
5180 `(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
5181 0 t gnus-button-handle-news 3)
5182 ("\\b\\(nntp\\|news\\):\\([^>\n\t ]*@[^>)!;:,\n\t ]*\\)" 0 t
5183 gnus-button-handle-news 2)
5184 ("\\(\\b<\\(url:[>\n\t ]*\\)?news:[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
5186 gnus-button-fetch-group 4)
5187 ("\\bnews:\\(//\\)?\\([^'\">\n\t ]+\\)" 0 t gnus-button-fetch-group 2)
5188 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)" 2
5189 t gnus-button-message-id 3)
5190 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>" 0 t gnus-url-mailto 2)
5191 ("mailto:\\([-a-zA-Z.@_+0-9%=?]+\\)" 0 t gnus-url-mailto 1)
5192 ("\\bmailto:\\([^ \n\t]+\\)" 0 t gnus-url-mailto 1)
5193 ;; This is how URLs _should_ be embedded in text...
5194 ("<URL: *\\([^<>]*\\)>" 0 t gnus-button-embedded-url 1)
5196 (,gnus-button-url-regexp 0 t browse-url 0))
5197 "*Alist of regexps matching buttons in article bodies.
5199 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
5200 REGEXP: is the string matching text around the button,
5201 BUTTON: is the number of the regexp grouping actually matching the button,
5202 FORM: is a lisp expression which must eval to true for the button to
5204 CALLBACK: is the function to call when the user push this button, and each
5205 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
5207 CALLBACK can also be a variable, in that case the value of that
5208 variable it the real callback function."
5209 :group 'gnus-article-buttons
5210 :type '(repeat (list regexp
5211 (integer :tag "Button")
5213 (function :tag "Callback")
5216 (integer :tag "Regexp group")))))
5218 (defcustom gnus-header-button-alist
5219 `(("^\\(References\\|Message-I[Dd]\\):" "<[^>]+>"
5220 0 t gnus-button-message-id 0)
5221 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$" 1 t gnus-button-reply 1)
5222 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
5223 0 t gnus-button-mailto 0)
5224 ("^X-[Uu][Rr][Ll]:" ,gnus-button-url-regexp 0 t browse-url 0)
5225 ("^Subject:" ,gnus-button-url-regexp 0 t browse-url 0)
5226 ("^[^:]+:" ,gnus-button-url-regexp 0 t browse-url 0)
5227 ("^[^:]+:" "\\(<\\(url: \\)?news:\\([^>\n ]*\\)>\\)" 1 t
5228 gnus-button-message-id 3))
5229 "*Alist of headers and regexps to match buttons in article heads.
5231 This alist is very similar to `gnus-button-alist', except that each
5232 alist has an additional HEADER element first in each entry:
5234 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
5236 HEADER is a regexp to match a header. For a fuller explanation, see
5237 `gnus-button-alist'."
5238 :group 'gnus-article-buttons
5239 :group 'gnus-article-headers
5240 :type '(repeat (list (regexp :tag "Header")
5242 (integer :tag "Button")
5244 (function :tag "Callback")
5247 (integer :tag "Regexp group")))))
5249 (defvar gnus-button-regexp nil)
5250 (defvar gnus-button-marker-list nil)
5251 ;; Regexp matching any of the regexps from `gnus-button-alist'.
5253 (defvar gnus-button-last nil)
5254 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
5258 (defun gnus-article-push-button (event)
5259 "Check text under the mouse pointer for a callback function.
5260 If the text under the mouse pointer has a `gnus-callback' property,
5261 call it with the value of the `gnus-data' text property."
5263 (set-buffer (window-buffer (posn-window (event-start event))))
5264 (let* ((pos (posn-point (event-start event)))
5265 (data (get-text-property pos 'gnus-data))
5266 (fun (get-text-property pos 'gnus-callback)))
5269 (funcall fun data))))
5271 (defun gnus-article-press-button ()
5272 "Check text at point for a callback function.
5273 If the text at point has a `gnus-callback' property,
5274 call it with the value of the `gnus-data' text property."
5276 (let* ((data (get-text-property (point) 'gnus-data))
5277 (fun (get-text-property (point) 'gnus-callback)))
5279 (funcall fun data))))
5281 (defun gnus-article-prev-button (n)
5282 "Move point to N buttons backward.
5283 If N is negative, move forward instead."
5285 (gnus-article-next-button (- n)))
5287 (defun gnus-article-next-button (n)
5288 "Move point to N buttons forward.
5289 If N is negative, move backward instead."
5291 (let ((function (if (< n 0) 'previous-single-property-change
5292 'next-single-property-change))
5293 (inhibit-point-motion-hooks t)
5295 (limit (if (< n 0) (point-min) (point-max))))
5297 (while (and (not (= limit (point)))
5299 ;; Skip past the current button.
5300 (when (get-text-property (point) 'gnus-callback)
5301 (goto-char (funcall function (point) 'gnus-callback nil limit)))
5302 ;; Go to the next (or previous) button.
5303 (gnus-goto-char (funcall function (point) 'gnus-callback nil limit))
5304 ;; Put point at the start of the button.
5305 (when (and backward (not (get-text-property (point) 'gnus-callback)))
5306 (goto-char (funcall function (point) 'gnus-callback nil limit)))
5307 ;; Skip past intangible buttons.
5308 (when (get-text-property (point) 'intangible)
5312 (gnus-message 5 "No more buttons"))
5315 (defun gnus-article-highlight (&optional force)
5316 "Highlight current article.
5317 This function calls `gnus-article-highlight-headers',
5318 `gnus-article-highlight-citation',
5319 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
5320 do the highlighting. See the documentation for those functions."
5321 (interactive (list 'force))
5322 (gnus-article-highlight-headers)
5323 (gnus-article-highlight-citation force)
5324 (gnus-article-highlight-signature)
5325 (gnus-article-add-buttons force)
5326 (gnus-article-add-buttons-to-head))
5328 (defun gnus-article-highlight-some (&optional force)
5329 "Highlight current article.
5330 This function calls `gnus-article-highlight-headers',
5331 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
5332 do the highlighting. See the documentation for those functions."
5333 (interactive (list 'force))
5334 (gnus-article-highlight-headers)
5335 (gnus-article-highlight-signature)
5336 (gnus-article-add-buttons))
5338 (defun gnus-article-highlight-headers ()
5339 "Highlight article headers as specified by `gnus-header-face-alist'."
5342 (set-buffer gnus-article-buffer)
5344 (let ((alist gnus-header-face-alist)
5345 (buffer-read-only nil)
5346 (case-fold-search t)
5347 (inhibit-point-motion-hooks t)
5348 entry regexp header-face field-face from hpoints fpoints)
5349 (article-narrow-to-head)
5350 (while (setq entry (pop alist))
5351 (goto-char (point-min))
5352 (setq regexp (concat "^\\("
5353 (if (string-equal "" (nth 0 entry))
5357 header-face (nth 1 entry)
5358 field-face (nth 2 entry))
5359 (while (and (re-search-forward regexp nil t)
5363 (unless (search-forward ":" nil t)
5365 (when (and header-face
5366 (not (memq (point) hpoints)))
5367 (push (point) hpoints)
5368 (gnus-put-text-property from (point) 'face header-face))
5369 (when (and field-face
5370 (not (memq (setq from (point)) fpoints)))
5372 (if (re-search-forward "^[^ \t]" nil t)
5374 (goto-char (point-max)))
5375 (gnus-put-text-property from (point) 'face field-face))))))))
5377 (defun gnus-article-highlight-signature ()
5378 "Highlight the signature in an article.
5379 It does this by highlighting everything after
5380 `gnus-signature-separator' using `gnus-signature-face'."
5382 (when gnus-signature-face
5384 (set-buffer gnus-article-buffer)
5385 (let ((buffer-read-only nil)
5386 (inhibit-point-motion-hooks t))
5388 (when (gnus-article-narrow-to-signature)
5389 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
5390 'face gnus-signature-face)))))))
5392 (defun gnus-article-buttonize-signature ()
5393 "Add button to the signature."
5396 (set-buffer gnus-article-buffer)
5397 (let ((buffer-read-only nil)
5398 (inhibit-point-motion-hooks t))
5399 (when (gnus-article-search-signature)
5400 (gnus-article-add-button (match-beginning 0) (match-end 0)
5401 'gnus-signature-toggle
5402 (set-marker (make-marker)
5403 (1+ (match-end 0))))))))
5405 (defun gnus-button-in-region-p (b e prop)
5406 "Say whether PROP exists in the region."
5407 (text-property-not-all b e prop nil))
5409 (defun gnus-article-add-buttons (&optional force)
5410 "Find external references in the article and make buttons of them.
5411 \"External references\" are things like Message-IDs and URLs, as
5412 specified by `gnus-button-alist'."
5413 (interactive (list 'force))
5415 (set-buffer gnus-article-buffer)
5416 (let ((buffer-read-only nil)
5417 (inhibit-point-motion-hooks t)
5418 (case-fold-search t)
5419 (alist gnus-button-alist)
5421 ;; Remove all old markers.
5422 (let (marker entry new-list)
5423 (while (setq marker (pop gnus-button-marker-list))
5424 (if (or (< marker (point-min)) (>= marker (point-max)))
5425 (push marker new-list)
5427 (when (setq entry (gnus-button-entry))
5428 (put-text-property (match-beginning (nth 1 entry))
5429 (match-end (nth 1 entry))
5430 'gnus-callback nil))
5431 (set-marker marker nil)))
5432 (setq gnus-button-marker-list new-list))
5433 ;; We skip the headers.
5436 (while (setq entry (pop alist))
5437 (setq regexp (car entry))
5439 (while (re-search-forward regexp nil t)
5440 (let* ((start (and entry (match-beginning (nth 1 entry))))
5441 (end (and entry (match-end (nth 1 entry))))
5442 (from (match-beginning 0)))
5443 (when (and (or (eq t (nth 2 entry))
5444 (eval (nth 2 entry)))
5445 (not (gnus-button-in-region-p
5446 start end 'gnus-callback)))
5447 ;; That optional form returned non-nil, so we add the
5449 (gnus-article-add-button
5450 start end 'gnus-button-push
5451 (car (push (set-marker (make-marker) from)
5452 gnus-button-marker-list))))))))))
5454 ;; Add buttons to the head of an article.
5455 (defun gnus-article-add-buttons-to-head ()
5456 "Add buttons to the head of the article."
5459 (set-buffer gnus-article-buffer)
5461 (let ((buffer-read-only nil)
5462 (inhibit-point-motion-hooks t)
5463 (case-fold-search t)
5464 (alist gnus-header-button-alist)
5466 (article-narrow-to-head)
5468 ;; Each alist entry.
5469 (setq entry (car alist)
5471 (goto-char (point-min))
5472 (while (re-search-forward (car entry) nil t)
5473 ;; Each header matching the entry.
5474 (setq beg (match-beginning 0))
5475 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
5476 (match-beginning 0))
5479 (while (re-search-forward (nth 1 entry) end t)
5480 ;; Each match within a header.
5481 (let* ((entry (cdr entry))
5482 (start (match-beginning (nth 1 entry)))
5483 (end (match-end (nth 1 entry)))
5484 (form (nth 2 entry)))
5485 (goto-char (match-end 0))
5487 (gnus-article-add-button
5488 start end (nth 3 entry)
5489 (buffer-substring (match-beginning (nth 4 entry))
5490 (match-end (nth 4 entry)))))))
5491 (goto-char end)))))))
5493 ;;; External functions:
5495 (defun gnus-article-add-button (from to fun &optional data)
5496 "Create a button between FROM and TO with callback FUN and data DATA."
5497 (when gnus-article-button-face
5498 (gnus-overlay-put (gnus-make-overlay from to)
5499 'face gnus-article-button-face))
5500 (gnus-add-text-properties
5502 (nconc (and gnus-article-mouse-face
5503 (list gnus-mouse-face-prop gnus-article-mouse-face))
5504 (list 'gnus-callback fun)
5505 (and data (list 'gnus-data data))))
5506 (widget-convert-button 'link from to :action 'gnus-widget-press-button
5507 ;; Quote `:button-keymap' for Mule 2.3
5508 ;; but it won't work.
5509 ':button-keymap gnus-widget-button-keymap))
5511 ;;; Internal functions:
5513 (defun gnus-article-set-globals ()
5515 (set-buffer gnus-summary-buffer)
5516 (gnus-set-global-variables)))
5518 (defun gnus-signature-toggle (end)
5520 (set-buffer gnus-article-buffer)
5521 (let ((buffer-read-only nil)
5522 (inhibit-point-motion-hooks t)
5523 (limit (next-single-property-change end 'mime-view-entity
5525 (if (text-property-any end limit 'article-type 'signature)
5526 (gnus-remove-text-properties-when
5527 'article-type 'signature end limit
5528 (cons 'article-type (cons 'signature
5529 gnus-hidden-properties)))
5530 (gnus-add-text-properties-when
5531 'article-type nil end limit
5532 (cons 'article-type (cons 'signature
5533 gnus-hidden-properties)))))))
5535 (defun gnus-button-entry ()
5536 ;; Return the first entry in `gnus-button-alist' matching this place.
5537 (let ((alist gnus-button-alist)
5540 (setq entry (pop alist))
5541 (if (looking-at (car entry))
5546 (defun gnus-button-push (marker)
5547 ;; Push button starting at MARKER.
5550 (let* ((entry (gnus-button-entry))
5551 (inhibit-point-motion-hooks t)
5553 (args (mapcar (lambda (group)
5554 (let ((string (match-string group)))
5555 (gnus-set-text-properties
5556 0 (length string) nil string)
5563 (fboundp (symbol-value fun)))
5564 (apply (symbol-value fun) args))
5566 (gnus-message 1 "You must define `%S' to use this button"
5567 (cons fun args)))))))
5569 (defun gnus-parse-news-url (url)
5570 (let (scheme server group message-id articles)
5573 (goto-char (point-min))
5574 (when (looking-at "\\([A-Za-z]+\\):")
5575 (setq scheme (match-string 1))
5576 (goto-char (match-end 0)))
5577 (when (looking-at "//\\([^/]+\\)/")
5578 (setq server (match-string 1))
5579 (goto-char (match-end 0)))
5582 ((looking-at "\\(.*@.*\\)")
5583 (setq message-id (match-string 1)))
5584 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
5585 (setq group (match-string 1)
5586 articles (split-string (match-string 2) "-")))
5587 ((looking-at "\\([^/]+\\)/?")
5588 (setq group (match-string 1)))
5590 (error "Unknown news URL syntax"))))
5591 (list scheme server group message-id articles)))
5593 (defun gnus-button-handle-news (url)
5595 (destructuring-bind (scheme server group message-id articles)
5596 (gnus-parse-news-url url)
5600 (set-buffer gnus-summary-buffer)
5602 (let ((gnus-refer-article-method (list (list 'nntp server))))
5603 (gnus-summary-refer-article message-id))
5604 (gnus-summary-refer-article message-id))))
5606 (gnus-button-fetch-group url)))))
5608 (defun gnus-button-message-id (message-id)
5611 (set-buffer gnus-summary-buffer)
5612 (gnus-summary-refer-article message-id)))
5614 (defun gnus-button-fetch-group (address)
5615 "Fetch GROUP specified by ADDRESS."
5616 (if (not (string-match "[:/]" address))
5617 ;; This is just a simple group url.
5618 (gnus-group-read-ephemeral-group address gnus-select-method)
5619 (if (not (string-match "^\\([^:/]+\\)\\(:\\([^/]+\\)/\\)?\\(.*\\)$"
5621 (error "Can't parse %s" address)
5622 (gnus-group-read-ephemeral-group
5623 (match-string 4 address)
5624 `(nntp ,(match-string 1 address)
5625 (nntp-address ,(match-string 1 address))
5626 (nntp-port-number ,(if (match-end 3)
5627 (match-string 3 address)
5630 (defun gnus-url-parse-query-string (query &optional downcase)
5631 (let (retval pairs cur key val)
5632 (setq pairs (split-string query "&"))
5634 (setq cur (car pairs)
5636 (if (not (string-match "=" cur))
5638 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
5639 val (gnus-url-unhex-string (substring cur (match-end 0) nil)))
5641 (setq key (downcase key)))
5642 (setq cur (assoc key retval))
5644 (setcdr cur (cons val (cdr cur)))
5645 (setq retval (cons (list key val) retval)))))
5648 (defun gnus-url-unhex (x)
5655 (defun gnus-url-unhex-string (str &optional allow-newlines)
5656 "Remove %XXX embedded spaces, etc in a url.
5657 If optional second argument ALLOW-NEWLINES is non-nil, then allow the
5658 decoding of carriage returns and line feeds in the string, which is normally
5659 forbidden in URL encoding."
5660 (setq str (or str ""))
5662 (case-fold-search t))
5663 (while (string-match "%[0-9a-f][0-9a-f]" str)
5664 (let* ((start (match-beginning 0))
5665 (ch1 (gnus-url-unhex (elt str (+ start 1))))
5667 (gnus-url-unhex (elt str (+ start 2))))))
5669 tmp (substring str 0 start)
5672 (char-to-string code))
5673 ((or (= code ?\n) (= code ?\r))
5675 (t (char-to-string code))))
5676 str (substring str (match-end 0)))))
5677 (setq tmp (concat tmp str))
5680 (defun gnus-url-mailto (url)
5681 ;; Send mail to someone
5682 (when (string-match "mailto:/*\\(.*\\)" url)
5683 (setq url (substring url (match-beginning 1) nil)))
5684 (let (to args subject func)
5685 (if (string-match (regexp-quote "?") url)
5686 (setq to (gnus-url-unhex-string (substring url 0 (match-beginning 0)))
5687 args (gnus-url-parse-query-string
5688 (substring url (match-end 0) nil) t))
5689 (setq to (gnus-url-unhex-string url)))
5690 (setq args (cons (list "to" to) args)
5691 subject (cdr-safe (assoc "subject" args)))
5694 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
5697 (message-position-on-field (caar args)))
5698 (insert (mapconcat 'identity (cdar args) ", "))
5699 (setq args (cdr args)))
5702 (message-goto-subject))))
5704 (defun gnus-button-embedded-url (address)
5705 "Activate ADDRESS with `browse-url'."
5706 (browse-url (gnus-strip-whitespace address)))
5709 ;; Silence the byte-compiler.
5710 (autoload 'smiley-toggle-buffer "gnus-bitmap"))
5711 (defun gnus-article-smiley-display ()
5712 "Display \"smileys\" as small graphical icons."
5713 (smiley-toggle-buffer 1 (current-buffer) (point-min) (point-max)))
5715 ;;; Next/prev buttons in the article buffer.
5717 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
5718 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
5720 (defvar gnus-prev-page-map nil)
5721 (unless gnus-prev-page-map
5722 (setq gnus-prev-page-map (make-sparse-keymap))
5723 (define-key gnus-prev-page-map gnus-mouse-2 'gnus-button-prev-page)
5724 (define-key gnus-prev-page-map "\r" 'gnus-button-prev-page))
5726 (static-if (featurep 'xemacs)
5727 (defun gnus-insert-prev-page-button ()
5728 (let ((buffer-read-only nil))
5730 gnus-prev-page-line-format nil
5731 `(gnus-prev t local-map ,gnus-prev-page-map
5732 gnus-callback gnus-article-button-prev-page
5733 article-type annotation))))
5734 (defun gnus-insert-prev-page-button ()
5735 (let ((buffer-read-only nil)
5736 (situation (get-text-property (point-min) 'mime-view-situation)))
5737 (set-keymap-parent gnus-prev-page-map (current-local-map))
5739 gnus-prev-page-line-format nil
5740 `(gnus-prev t local-map ,gnus-prev-page-map
5741 gnus-callback gnus-article-button-prev-page
5742 article-type annotation
5743 mime-view-situation ,situation))))
5746 (defvar gnus-next-page-map nil)
5747 (unless gnus-next-page-map
5748 (setq gnus-next-page-map (make-sparse-keymap))
5749 (define-key gnus-next-page-map gnus-mouse-2 'gnus-button-next-page)
5750 (define-key gnus-next-page-map "\r" 'gnus-button-next-page))
5752 (defun gnus-button-next-page ()
5753 "Go to the next page."
5755 (let ((win (selected-window)))
5756 (select-window (get-buffer-window gnus-article-buffer t))
5757 (gnus-article-next-page)
5758 (select-window win)))
5760 (defun gnus-button-prev-page ()
5761 "Go to the prev page."
5763 (let ((win (selected-window)))
5764 (select-window (get-buffer-window gnus-article-buffer t))
5765 (gnus-article-prev-page)
5766 (select-window win)))
5768 (static-if (featurep 'xemacs)
5769 (defun gnus-insert-next-page-button ()
5770 (let ((buffer-read-only nil))
5771 (gnus-eval-format gnus-next-page-line-format nil
5773 t local-map ,gnus-next-page-map
5774 gnus-callback gnus-article-button-next-page
5775 article-type annotation))))
5776 (defun gnus-insert-next-page-button ()
5777 (let ((buffer-read-only nil)
5778 (situation (get-text-property (point-min) 'mime-view-situation)))
5779 (set-keymap-parent gnus-next-page-map (current-local-map))
5780 (gnus-eval-format gnus-next-page-line-format nil
5782 t local-map ,gnus-next-page-map
5783 gnus-callback gnus-article-button-next-page
5784 article-type annotation
5785 mime-view-situation ,situation))))
5788 (defun gnus-article-button-next-page (arg)
5789 "Go to the next page."
5791 (let ((win (selected-window)))
5792 (select-window (get-buffer-window gnus-article-buffer t))
5793 (gnus-article-next-page)
5794 (select-window win)))
5796 (defun gnus-article-button-prev-page (arg)
5797 "Go to the prev page."
5799 (let ((win (selected-window)))
5800 (select-window (get-buffer-window gnus-article-buffer t))
5801 (gnus-article-prev-page)
5802 (select-window win)))
5804 (defvar gnus-decode-header-methods
5805 '(mail-decode-encoded-word-region)
5806 "List of methods used to decode headers.
5808 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
5809 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
5810 (REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
5811 whose names match REGEXP.
5814 ((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
5815 mail-decode-encoded-word-region
5816 (\"chinese\" . rfc1843-decode-region))
5819 (defvar gnus-decode-header-methods-cache nil)
5821 (defun gnus-multi-decode-header (start end)
5822 "Apply the functions from `gnus-encoded-word-methods' that match."
5823 (unless (and gnus-decode-header-methods-cache
5824 (eq gnus-newsgroup-name
5825 (car gnus-decode-header-methods-cache)))
5826 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
5829 (nconc gnus-decode-header-methods-cache (list x))
5830 (if (and gnus-newsgroup-name
5831 (string-match (car x) gnus-newsgroup-name))
5832 (nconc gnus-decode-header-methods-cache
5834 gnus-decode-header-methods))
5835 (let ((xlist gnus-decode-header-methods-cache))
5838 (narrow-to-region start end)
5840 (funcall (pop xlist) (point-min) (point-max))))))
5843 ;;; Treatment top-level handling.
5846 (defun gnus-treat-article (condition &optional part-number total-parts type)
5847 (let ((length (- (point-max) (point-min)))
5848 (alist gnus-treatment-function-alist)
5849 (article-goto-body-goes-to-point-min-p t)
5853 (let ((list gnus-article-treat-types))
5855 (when (string-match (pop list) type)
5856 (throw 'found t)))))))
5857 (highlightp (gnus-visual-p 'article-highlight 'highlight))
5858 (entity (static-unless (featurep 'xemacs)
5859 (when (eq 'head condition)
5860 (get-text-property (point-min) 'mime-view-entity))))
5861 val elem buttonized)
5862 (gnus-run-hooks 'gnus-part-display-hook)
5863 (unless gnus-inhibit-treatment
5864 (while (setq elem (pop alist))
5867 (if (gnus-buffer-live-p gnus-summary-buffer)
5868 (set-buffer gnus-summary-buffer))
5869 (symbol-value (car elem))))
5870 (when (and (or (consp val)
5872 (gnus-treat-predicate val)
5873 (or (not (get (car elem) 'highlight))
5875 (when (and (not buttonized)
5877 '(gnus-treat-hide-signature
5878 gnus-treat-highlight-signature)))
5879 (gnus-article-buttonize-signature)
5880 (setq buttonized t))
5882 (funcall (cadr elem)))))
5883 ;; FSF Emacsen does not inherit the existing text properties
5884 ;; in the new text, so we should do it for `mime-view-entity'.
5885 (static-unless (featurep 'xemacs)
5887 (put-text-property (point-min) (point-max)
5888 'mime-view-entity entity))))))
5890 ;; Dynamic variables.
5892 (defvar part-number)
5893 (defvar total-parts)
5898 (defun gnus-treat-predicate (val)
5903 (stringp (car val)))
5904 (apply 'gnus-or (mapcar `(lambda (s)
5905 (string-match s ,(or gnus-newsgroup-name "")))
5908 (let ((pred (pop val)))
5911 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
5913 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
5915 (not (gnus-treat-predicate (car val))))
5917 (equal (car val) type))
5919 (error "%S is not a valid predicate" pred)))))
5929 (eq part-number total-parts))
5933 (error "%S is not a valid value" val))))
5935 (defun gnus-article-encrypt-body (protocol &optional n)
5936 "Encrypt the article body."
5939 (or gnus-article-encrypt-protocol
5940 (completing-read "Encrypt protocol: "
5941 gnus-article-encrypt-protocol-alist
5943 current-prefix-arg))
5944 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
5946 (error (format "Can't find the encrypt protocol %s" protocol)))
5947 (if (equal gnus-newsgroup-name "nndraft:drafts")
5948 (error "Can't encrypt the article in group nndraft:drafts."))
5949 (if (equal gnus-newsgroup-name "nndraft:queue")
5950 (error "Don't encrypt the article in group nndraft:queue."))
5951 (gnus-summary-iterate n
5953 (set-buffer gnus-summary-buffer)
5954 (let ((mail-parse-charset gnus-newsgroup-charset)
5955 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
5956 (summary-buffer gnus-summary-buffer)
5958 (gnus-set-global-variables)
5959 (when (gnus-group-read-only-p)
5960 (error "The current newsgroup does not support article encrypt"))
5961 (gnus-summary-show-article t)
5963 (or (mail-header-references gnus-current-headers) ""))
5964 (set-buffer gnus-article-buffer)
5965 (let* ((buffer-read-only nil)
5967 (mapcar (lambda (field)
5968 (and (save-restriction
5969 (message-narrow-to-head)
5970 (goto-char (point-min))
5971 (search-forward field nil t))
5973 (message-narrow-to-field)
5974 (buffer-substring (point-min) (point-max))
5975 (delete-region (point-min) (point-max))
5977 '("Content-Type:" "Content-Transfer-Encoding:"
5978 "Content-Disposition:"))))
5979 (message-narrow-to-head)
5980 (message-remove-header "MIME-Version")
5981 (goto-char (point-max))
5982 (setq point (point))
5983 (insert (apply 'concat headers))
5985 (narrow-to-region point (point-max))
5986 (let ((message-options message-options))
5987 (message-options-set 'message-sender user-mail-address)
5988 (message-options-set 'message-recipients user-mail-address)
5989 (message-options-set 'message-sign-encrypt 'not)
5991 (goto-char (point-min))
5992 (insert "MIME-Version: 1.0\n")
5994 (gnus-summary-edit-article-done
5995 references nil summary-buffer t))
5996 (when gnus-keep-backlog
5997 (gnus-backlog-remove-article
5998 (car gnus-article-current) (cdr gnus-article-current)))
6000 (when (get-buffer gnus-original-article-buffer)
6001 (set-buffer gnus-original-article-buffer)
6002 (setq gnus-original-article nil)))
6003 (when gnus-use-cache
6004 (gnus-cache-update-article
6005 (car gnus-article-current) (cdr gnus-article-current))))))))
6007 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
6008 "The following specs can be used:
6009 %t The security MIME type
6012 %D Details if button is pressed")
6014 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
6015 "The following specs can be used:
6016 %t The security MIME type
6019 %D Details if button is pressed")
6021 (defvar gnus-mime-security-button-line-format-alist
6022 '((?t gnus-tmp-type ?s)
6023 (?i gnus-tmp-info ?s)
6024 (?d gnus-tmp-details ?s)
6025 (?D gnus-tmp-pressed-details ?s)))
6027 (defvar gnus-mime-security-button-map
6028 (let ((map (make-sparse-keymap)))
6029 (unless (>= (string-to-number emacs-version) 21)
6030 (set-keymap-parent map gnus-article-mode-map))
6031 (define-key map gnus-mouse-2 'gnus-article-push-button)
6032 (define-key map "\r" 'gnus-article-press-button)
6035 (defvar gnus-mime-security-details-buffer nil)
6037 (defvar gnus-mime-security-button-pressed nil)
6039 (defvar gnus-mime-security-show-details-inline t
6040 "If non-nil, show details in the article buffer.")
6042 (defun gnus-mime-security-verify-or-decrypt (handle)
6043 (mm-remove-parts (cdr handle))
6044 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
6047 (delete-region (car region) (cdr region))
6048 (set-marker (car region) nil)
6049 (set-marker (cdr region) nil)))
6050 (with-current-buffer (mm-handle-multipart-original-buffer handle)
6051 (let* ((mm-verify-option 'known)
6052 (mm-decrypt-option 'known)
6053 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
6054 (unless (eq nparts (cdr handle))
6055 (mm-destroy-parts (cdr handle))
6056 (setcdr handle nparts))))
6057 (let ((point (point))
6059 (gnus-mime-display-security handle)
6062 (defun gnus-mime-security-show-details (handle)
6063 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
6065 (if gnus-mime-security-show-details-inline
6066 (let ((gnus-mime-security-button-pressed t)
6067 (gnus-mime-security-button-line-format
6068 (get-text-property (point) 'gnus-line-format))
6071 (while (eq (get-text-property (point) 'gnus-line-format)
6072 gnus-mime-security-button-line-format)
6075 (delete-region (point)
6076 (or (text-property-not-all
6079 gnus-mime-security-button-line-format)
6081 (gnus-insert-mime-security-button handle))
6082 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
6083 (with-current-buffer gnus-mime-security-details-buffer
6086 (setq gnus-mime-security-details-buffer
6087 (gnus-get-buffer-create "*MIME Security Details*")))
6088 (with-current-buffer gnus-mime-security-details-buffer
6090 (goto-char (point-min)))
6091 (pop-to-buffer gnus-mime-security-details-buffer))
6092 (gnus-message 5 "No details."))))
6094 (defun gnus-mime-security-press-button (handle)
6095 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
6096 (gnus-mime-security-show-details handle)
6097 (gnus-mime-security-verify-or-decrypt handle)))
6099 (defun gnus-insert-mime-security-button (handle &optional displayed)
6100 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
6103 (or (nth 2 (assoc protocol mm-verify-function-alist))
6104 (nth 2 (assoc protocol mm-decrypt-function-alist))
6106 (if (equal (car handle) "multipart/signed")
6107 " Signed" " Encrypted")
6110 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
6113 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
6114 gnus-tmp-pressed-details
6116 (setq gnus-tmp-details
6117 (if gnus-tmp-details
6118 (concat "\n" gnus-tmp-details) ""))
6119 (setq gnus-tmp-pressed-details
6120 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
6125 gnus-mime-security-button-line-format
6126 gnus-mime-security-button-line-format-alist
6127 `(keymap ,gnus-mime-security-button-map
6128 ,@(if (>= (string-to-number emacs-version) 21)
6129 nil ;; XEmacs doesn't care
6130 (list 'local-map gnus-mime-security-button-map))
6131 gnus-callback gnus-mime-security-press-button
6132 gnus-line-format ,gnus-mime-security-button-line-format
6133 article-type annotation
6136 (widget-convert-button
6139 :action 'gnus-widget-press-button
6140 :button-keymap gnus-mime-security-button-map
6142 (lambda (widget/window &optional overlay pos)
6143 ;; Needed to properly clear the message due to a bug in
6144 ;; wid-edit (XEmacs only).
6145 (if (boundp 'help-echo-owns-message)
6146 (setq help-echo-owns-message t))
6149 (aref gnus-mouse-2 0))))))
6151 (defun gnus-mime-display-security (handle)
6153 (narrow-to-region (point) (point))
6154 (gnus-insert-mime-security-button handle)
6155 (gnus-mime-display-mixed (cdr handle))
6158 (let ((gnus-mime-security-button-line-format
6159 gnus-mime-security-button-end-line-format))
6160 (gnus-insert-mime-security-button handle))
6161 (mm-set-handle-multipart-parameter
6163 (cons (set-marker (make-marker) (point-min))
6164 (set-marker (make-marker) (point-max))))))
6170 (defun gnus-article-header-presentation-method (entity situation)
6171 (mime-insert-header entity)
6174 (set-alist 'mime-header-presentation-method-alist
6175 'gnus-original-article-mode
6176 #'gnus-article-header-presentation-method)
6178 (defun gnus-mime-preview-quitting-method ()
6179 (mime-preview-kill-buffer)
6180 (delete-other-windows)
6181 (gnus-article-show-summary)
6182 (gnus-summary-select-article gnus-show-all-headers t))
6184 (set-alist 'mime-preview-quitting-method-alist
6185 'gnus-original-article-mode #'gnus-mime-preview-quitting-method)
6187 (set-alist 'mime-preview-following-method-alist
6188 'gnus-original-article-mode #'gnus-following-method)
6190 (set-alist 'mime-preview-over-to-previous-method-alist
6191 'gnus-original-article-mode
6193 (if (> (point-min) 1)
6194 (gnus-article-prev-page)
6195 (gnus-article-read-summary-keys
6196 nil (gnus-character-to-event ?P)))))
6198 (set-alist 'mime-preview-over-to-next-method-alist
6199 'gnus-original-article-mode'
6201 (if (< (point-max) (buffer-size))
6202 (gnus-article-next-page)
6203 (gnus-article-read-summary-keys
6204 nil (gnus-character-to-event ?N)))))
6214 (run-hooks 'gnus-art-load-hook)
6216 ;;; gnus-art.el ends here