| blob | 105e60e027901fe0f5dbc4467112ec59c11777ca |
1 ;;; gnus-art.el --- article mode commands for Gnus
3 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 ;; 2005, 2006 Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
7 ;; Keywords: news
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
14 ;; any later version.
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 ;; Boston, MA 02110-1301, USA.
26 ;;; Commentary:
28 ;;; Code:
36 ;; Avoid the "Recursive load suspected" error in Emacs 21.1.
60 "Article display."
65 "Treating article parts."
70 "Hiding article parts."
75 "Article highlighting."
81 "Article signatures."
86 "Article headers."
91 "Special commands on articles."
96 "Fontisizing articles."
101 "Saving articles."
106 "Worshiping the MIME wonder."
111 "Pushable buttons in the article buffer."
116 "Other article options."
165 "*All headers that start with this regexp will be hidden.
166 This variable can also be a list of regexps of headers to be ignored.
167 If `gnus-visible-headers' is non-nil, this variable will be ignored."
169 regexp
174 "^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:"
175 "*All headers that do not match this regexp will be hidden.
176 This variable can also be a list of regexp of headers to remain visible.
177 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
183 regexp)
189 "*This variable is a list of regular expressions.
190 If it is non-nil, headers that match the regular expressions will
191 be placed first in the article buffer in the sequence specified by
192 this list."
197 "Headers that are only to be displayed if they have interesting data.
198 Possible values in this list are:
200 'empty Headers with no content.
201 'newsgroups Newsgroup identical to Gnus group.
202 'to-address To identical to To-address.
203 'to-list To identical to To-list.
204 'cc-list CC identical to To-list.
205 'followup-to Followup-to identical to Newsgroups.
206 'reply-to Reply-to identical to From.
207 'date Date less than four days old.
208 'long-to To and/or Cc longer than 1024 characters.
209 'many-to Multiple To and/or Cc."
223 "Skip over text that is not worth reading.
224 By default, if you set this t, then Gnus will display citations and
225 signatures, but will never scroll down to show you a page consisting
226 only of boring text. Boring text is controlled by
227 `gnus-article-boring-faces'."
233 "Regexp matching signature separator.
234 This can also be a list of regexps. In that case, it will be checked
235 from head to tail looking for a separator. Searches will be done from
236 the end of the buffer."
243 "Provide a limit to what is considered a signature.
244 If it is a number, no signature may not be longer (in characters) than
245 that number. If it is a floating point number, no signature may be
246 longer (in lines) than that number. If it is a function, the function
247 will be called without any parameters, and if it returns nil, there is
248 no signature in the buffer. If it is a string, it will be used as a
249 regexp. If it matches, the text in question is not a signature.
251 This can also be a list of the above values."
260 "Property list to use for hiding text."
264 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
265 ;; frames in a session.
270 'gnus-display-x-face-in-from
273 'gnus-display-x-face-in-from
274 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
276 "*String or function to be executed to display an X-Face header.
277 If it is a string, the command will be executed in a sub-shell
278 asynchronously. The compressed face will be piped to this command."
281 function)
287 "Regexp matching posters whose face shouldn't be shown automatically."
292 "Banner alist for stripping.
293 For example,
294 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
300 banner
301 :variable-document
302 "Alist of regexps (to match group names) and banner."
303 :variable-group gnus-article-washing
304 :parameter-type
306 :value nil
309 regexp
311 :parameter-document
312 "If non-nil, specify how to remove `banners' from articles.
314 Symbol `signature' means to remove signatures delimited by
315 `gnus-signature-separator'. Any other symbol is used to look up a
316 regular expression to match the banner in `gnus-article-banner-alist'.
317 A string is used as a regular expression to match the banner
321 "Alist of mail addresses and banners.
322 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
323 to match a mail address in the From: header, BANNER is one of a symbol
324 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
325 If ADDRESS matches author's mail address, it will remove things like
326 advertisements. For example:
329 "
336 regexp
351 2
354 value)))
362 pattern)
367 value))))
385 types))
387 ;; several times seen it triggered by normal text. --Stef
388 ;; Miles suggests that this form is sometimes used but for italics,
389 ;; so maybe we should map it to `italic'.
390 ;; ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
391 ;; 2 3 gnus-emphasis-strikethru)
394 "*Alist that says how to fontify certain phrases.
395 Each item looks like this:
399 The first element is a regular expression to be matched. The second
400 is a number that says what regular expression grouping used to find
401 the entire emphasized word. The third is a number that says what
402 regexp grouping should be displayed and highlighted. The fourth
403 is the face used for highlighting."
404 :type
411 :value-create
419 widget
420 :value
423 regexp
426 face)
434 face)))
440 value)))
444 "A regexp to describe whitespace which should not be emphasized.
446 The former avoids underlining of leading and trailing whitespace,
447 and the latter avoids underlining any whitespace at all."
453 "Face used for displaying strong emphasized text (*word*)."
457 "Face used for displaying italic emphasized text (/word/)."
461 "Face used for displaying underlined emphasized text (_word_)."
465 "Face used for displaying underlined bold emphasized text (_*word*_)."
469 "Face used for displaying underlined italic emphasized text (_/word/_)."
473 "Face used for displaying bold italic emphasized text (/*word*/)."
478 "Face used for displaying underlined bold italic emphasized text.
479 Example: (_/*word*/_)."
485 "Face used for displaying strike-through text (-word-)."
490 "Face used for displaying highlighted words."
494 "Format for display of Date headers in article bodies.
495 See `format-time-string' for the possible values.
497 The variable can also be function, which should return a complete Date
498 header. The function is called with one argument, the time, which can
499 be fed to `format-time-string'."
505 "*If non-nil, don't remove any headers before saving."
510 "*This variable says how much prompting is to be done when saving articles.
511 If it is nil, no prompting will be done, and the articles will be
512 saved to the default files. If this variable is `always', each and
513 every article that is saved will be preceded by a prompt, even when
514 saving large batches of articles. If this variable is neither nil not
515 `always', there the user will be prompted once for a file name for
516 each invocation of the saving commands."
523 "Headers to keep if `gnus-save-all-headers' is nil.
524 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
525 If that variable is nil, however, all headers that match this regexp
526 will be kept while the rest will be deleted before saving."
531 "A function to save articles in your favourite format.
532 The function must be interactively callable (in other words, it must
533 be an Emacs command).
535 Gnus provides the following functions:
537 * gnus-summary-save-in-rmail (Rmail format)
538 * gnus-summary-save-in-mail (Unix mail format)
539 * gnus-summary-save-in-folder (MH folder)
540 * gnus-summary-save-in-file (article format)
541 * gnus-summary-save-body-in-file (article body)
542 * gnus-summary-save-in-vm (use VM's folder format)
543 * gnus-summary-write-to-file (article format -- overwrite)."
555 "A function generating a file name to save articles in Rmail format.
556 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
561 "A function generating a file name to save articles in Unix mail format.
562 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
567 "A function generating a file name to save articles in MH folder.
568 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
573 "A function generating a file name to save articles in article format.
574 The function is called with NEWSGROUP, HEADERS, and optional
575 LAST-FILE."
582 "*Variable used to suggest where articles are to be saved.
583 For instance, if you would like to save articles related to Gnus in
585 you could set this variable to something like:
590 This variable is an alist where the key is the match and the
591 value is a list of possible files to save in if the match is
592 non-nil.
594 If the match is a string, it is used as a regexp match on the
595 article. If the match is a symbol, that symbol will be funcalled
596 from the buffer of the article to be saved with the newsgroup as
597 the parameter. If it is a list, it will be evaled in the same
598 buffer.
600 If this form or function returns a string, this string will be
601 used as a possible file name; and if it returns a non-nil list,
602 that list will be used as possible file names."
609 "*Regexp describing what to use as article page delimiters.
611 beginning of a line."
616 "*The format specification for the article mode line.
617 See `gnus-summary-mode-line-format' for a closer description.
619 The following additional specs are available:
621 %w The article washing status.
622 %m The number of MIME parts in the article."
627 "*A hook for Gnus article mode."
632 ;; Extracted from gnus-xmas-define in order to preserve user settings
635 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
639 "*Hook run after the creation of the article mode menu."
644 "*A hook called after an article has been prepared in the article buffer."
649 "List of headers to be removed when copying an article.
650 Each element is a regular expression."
660 "Face used for highlighting a button in the article buffer."
664 "Face used for highlighting buttons in the article buffer.
666 An article button is a piece of text that you can activate by pressing
667 `RET' or `mouse-2' above it."
672 "Face used for mouse highlighting in the article buffer.
674 Article buttons will be displayed in this face when the cursor is
675 above them."
680 "Face used for highlighting a signature in the article buffer.
681 Obsolete; use the face `gnus-signature' for customizations instead."
689 "Face used for highlighting a signature in the article buffer."
692 ;; backward-compatibility alias
704 "Face used for displaying from headers."
707 ;; backward-compatibility alias
719 "Face used for displaying subject headers."
722 ;; backward-compatibility alias
734 "Face used for displaying newsgroups headers.
735 In the default setup this face is only used for crossposted
736 articles."
739 ;; backward-compatibility alias
751 "Face used for displaying header names."
754 ;; backward-compatibility alias
768 ;; backward-compatibility alias
776 "*Controls highlighting of article headers.
778 An alist of the form (HEADER NAME CONTENT).
780 HEADER is a regular expression which should match the name of a
781 header and NAME and CONTENT are either face names or nil.
783 The name of each header field will be displayed using the face
784 specified by the first element in the list where HEADER matches
785 the header name and NAME is non-nil. Similarly, the content will
786 be displayed by the first non-nil matching CONTENT face."
801 "Alist of image types and properties applied to Face and X-Face images.
802 Here are examples:
804 ;; Specify the altitude of Face images in the From header.
805 \(setq gnus-face-properties-alist
806 '((pbm . (:face gnus-x-face :ascent 80))
807 (png . (:ascent 80))))
809 ;; Show Face images as pressed buttons.
810 \(setq gnus-face-properties-alist
811 '((pbm . (:face gnus-x-face :relief -2))
812 (png . (:relief -2))))
814 See the manual for the valid properties for various image types.
815 Currently, `pbm' is used for X-Face images and `png' is used for Face
816 images in Emacs. Only the `:face' property is effective on the `xface'
817 image type in XEmacs if it is built with the libcompface library."
824 article-decode-group-name article-decode-idna-rhs)
825 "*Hook run to decode charsets in articles."
830 "Function to display MIME articles."
860 "List of MIME types that should be ignored by Gnus."
866 "List of MIME types that should not be given buttons when rendered inline.
867 See also `gnus-buttonized-mime-types' which may override this variable.
868 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
874 "List of MIME types that should be given buttons when rendered inline.
875 If set, this variable overrides `gnus-unbuttonized-mime-types'.
876 To see e.g. security buttons you could set this to
878 this list to display radio buttons that allow you to choose one of two
879 media types those mails include. See also `mm-discouraged-alternatives'.
880 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
886 "If non-nil, all MIME parts get buttons.
887 When nil (the default value), then some MIME parts do not get buttons,
888 as described by the variables `gnus-buttonized-mime-types' and
889 `gnus-unbuttonized-mime-types'."
895 "String used to delimit header and body.
896 This variable is used by `gnus-article-treat-body-boundary' which can
897 be controlled by `gnus-treat-body-boundary'."
901 string))
905 "Defines the location of the faces database.
906 For information on obtaining this database of pretty pictures, please
907 see http://www.cs.indiana.edu/picons/ftp/index.html"
916 "Say whether picons are installed on your machine."
921 installed))
924 "Function called with a MIME handle as the argument.
925 This is meant for people who want to do something automatic based
926 on parts -- for instance, adding Vcard info to a database."
929 function))
932 "An alist of MIME types to functions to display them."
938 "Whether the X-Sent and Date headers can coexist.
941 be added below it (otherwise)."
947 "Function called with a MIME handle as the argument.
948 This is meant for people who want to view first matched part.
949 For `undisplayed-alternative' (default), the first undisplayed
950 part or alternative part is used. For `undisplayed', the first
951 undisplayed part is used. For a function, the first part which
952 the function return t is used. For nil, the first part is
953 used."
976 "An alist of actions that run on the MIME attachment."
982 "Advance to next MIME part when deleting or stripping parts.
984 When 0, point will be placed on the same part as before. When
985 positive (negative), move point forward (backwards) this many
986 parts. When nil, redisplay article."
992 integer))
994 ;;;
995 ;;; The treatment variables
996 ;;;
1022 "Highlight the signature.
1023 Valid values are nil, t, `head', `first', `last', an integer or a
1024 predicate. See Info node `(gnus)Customizing Articles'."
1031 "Add buttons.
1032 Valid values are nil, t, `head', `first', `last', an integer or a
1033 predicate. See Info node `(gnus)Customizing Articles'."
1040 "Add buttons to the head.
1041 Valid values are nil, t, `head', `first', `last', an integer or a
1042 predicate. See Info node `(gnus)Customizing Articles'."
1052 "Emphasize text.
1053 Valid values are nil, t, `head', `first', `last', an integer or a
1054 predicate. See Info node `(gnus)Customizing Articles'."
1061 "Remove carriage returns.
1062 Valid values are nil, t, `head', `first', `last', an integer or a
1063 predicate. See Info node `(gnus)Customizing Articles'."
1070 "Remove newlines from within URLs.
1071 Valid values are nil, t, `head', `first', `last', an integer or a
1072 predicate. See Info node `(gnus)Customizing Articles'."
1079 "Remove leading whitespace in headers.
1080 Valid values are nil, t, `head', `first', `last', an integer or a
1081 predicate. See Info node `(gnus)Customizing Articles'."
1088 "Hide headers.
1089 Valid values are nil, t, `head', `first', `last', an integer or a
1090 predicate. See Info node `(gnus)Customizing Articles'."
1096 "Hide boring headers.
1097 Valid values are nil, t, `head', `first', `last', an integer or a
1098 predicate. See Info node `(gnus)Customizing Articles'."
1104 "Hide the signature.
1105 Valid values are nil, t, `head', `first', `last', an integer or a
1106 predicate. See Info node `(gnus)Customizing Articles'."
1112 "Fill the article.
1113 Valid values are nil, t, `head', `first', `last', an integer or a
1114 predicate. See Info node `(gnus)Customizing Articles'."
1120 "Hide cited text.
1121 Valid values are nil, t, `head', `first', `last', an integer or a
1122 predicate. See Info node `(gnus)Customizing Articles'."
1128 "Hide cited text.
1129 Valid values are nil, t, `head', `first', `last', an integer or a
1130 predicate. See Info node `(gnus)Customizing Articles'."
1136 "Strip list identifiers from `gnus-list-identifiers`.
1137 Valid values are nil, t, `head', `first', `last', an integer or a
1138 predicate. See Info node `(gnus)Customizing Articles'."
1148 "Strip PEM signatures.
1149 Valid values are nil, t, `head', `first', `last', an integer or a
1150 predicate. See Info node `(gnus)Customizing Articles'."
1156 "Strip banners from articles.
1157 The banner to be stripped is specified in the `banner' group parameter.
1158 Valid values are nil, t, `head', `first', `last', an integer or a
1159 predicate. See Info node `(gnus)Customizing Articles'."
1165 "Highlight the headers.
1166 Valid values are nil, t, `head', `first', `last', an integer or a
1167 predicate. See Info node `(gnus)Customizing Articles'."
1174 "Highlight cited text.
1175 Valid values are nil, t, `head', `first', `last', an integer or a
1176 predicate. See Info node `(gnus)Customizing Articles'."
1183 "Display the Date in UT (GMT).
1184 Valid values are nil, t, `head', `first', `last', an integer or a
1185 predicate. See Info node `(gnus)Customizing Articles'."
1191 "Display the Date in the local timezone.
1192 Valid values are nil, t, `head', `first', `last', an integer or a
1193 predicate. See Info node `(gnus)Customizing Articles'."
1199 "Display the Date in a format that can be read aloud in English.
1200 Valid values are nil, t, `head', `first', `last', an integer or a
1201 predicate. See Info node `(gnus)Customizing Articles'."
1208 "Display the Date header in a way that says how much time has elapsed.
1209 Valid values are nil, t, `head', `first', `last', an integer or a
1210 predicate. See Info node `(gnus)Customizing Articles'."
1216 "Display the date in the original timezone.
1217 Valid values are nil, t, `head', `first', `last', an integer or a
1218 predicate. See Info node `(gnus)Customizing Articles'."
1224 "Display the date in the ISO8601 format.
1225 Valid values are nil, t, `head', `first', `last', an integer or a
1226 predicate. See Info node `(gnus)Customizing Articles'."
1233 "Display the date in a user-defined format.
1234 The format is defined by the `gnus-article-time-format' variable.
1235 Valid values are nil, t, `head', `first', `last', an integer or a
1236 predicate. See Info node `(gnus)Customizing Articles'."
1242 "Strip the X-No-Archive header line from the beginning of the body.
1243 Valid values are nil, t, `head', `first', `last', an integer or a
1244 predicate. See Info node `(gnus)Customizing Articles'."
1251 "Strip trailing blank lines.
1252 Valid values are nil, t, `head', `first', `last', an integer or a
1253 predicate. See Info node `(gnus)Customizing Articles'.
1255 When set to t, it also strips trailing blanks in all MIME parts.
1256 Consider to use `last' instead."
1262 "Strip leading blank lines.
1263 Valid values are nil, t, `head', `first', `last', an integer or a
1264 predicate. See Info node `(gnus)Customizing Articles'.
1266 When set to t, it also strips trailing blanks in all MIME parts."
1272 "Strip multiple blank lines.
1273 Valid values are nil, t, `head', `first', `last', an integer or a
1274 predicate. See Info node `(gnus)Customizing Articles'."
1280 "Unfold folded header lines.
1281 Valid values are nil, t, `head', `first', `last', an integer or a
1282 predicate. See Info node `(gnus)Customizing Articles'."
1289 "Fold headers.
1290 Valid values are nil, t, `head', `first', `last', an integer or a
1291 predicate. See Info node `(gnus)Customizing Articles'."
1298 "Fold the Newsgroups and Followup-To headers.
1299 Valid values are nil, t, `head', `first', `last', an integer or a
1300 predicate. See Info node `(gnus)Customizing Articles'."
1307 "Treat overstrike highlighting.
1308 Valid values are nil, t, `head', `first', `last', an integer or a
1309 predicate. See Info node `(gnus)Customizing Articles'."
1316 "Treat ANSI SGR control sequences.
1317 Valid values are nil, t, `head', `first', `last', an integer or a
1318 predicate. See Info node `(gnus)Customizing Articles'."
1335 "Display X-Face headers.
1336 Valid values are nil, t, `head', `first', `last', an integer or a
1337 predicate. See Info node `(gnus)Customizing Articles' and Info
1338 node `(gnus)X-Face' for details."
1343 :type gnus-article-treat-head-custom
1346 symbol
1348 value)
1351 ** gnus-treat-display-xface is an obsolete variable;\
1356 ** gnus-treat-display-xface is an obsolete variable;\
1360 value)))))
1370 "Display Face headers.
1371 Valid values are nil, t, `head', `first', `last', an integer or a
1372 predicate. See Info node `(gnus)Customizing Articles' and Info
1373 node `(gnus)X-Face' for details."
1386 t nil)
1387 "Display smileys.
1388 Valid values are nil, t, `head', `first', `last', an integer or a
1389 predicate. See Info node `(gnus)Customizing Articles' and Info
1390 node `(gnus)Smileys' for details."
1402 "Display picons in the From header.
1403 Valid values are nil, t, `head', `first', `last', an integer or a
1404 predicate. See Info node `(gnus)Customizing Articles' and Info
1405 node `(gnus)Picons' for details."
1418 "Display picons in To and Cc headers.
1419 Valid values are nil, t, `head', `first', `last', an integer or a
1420 predicate. See Info node `(gnus)Customizing Articles' and Info
1421 node `(gnus)Picons' for details."
1434 "Display picons in the Newsgroups and Followup-To headers.
1435 Valid values are nil, t, `head', `first', `last', an integer or a
1436 predicate. See Info node `(gnus)Customizing Articles' and Info
1437 node `(gnus)Picons' for details."
1449 gnus-treat-mail-picon
1450 gnus-treat-from-picon))
1452 "Draw a boundary at the end of the headers.
1453 Valid values are nil and `head'.
1454 See Info node `(gnus)Customizing Articles' for details."
1461 "Capitalize sentence-starting words.
1462 Valid values are nil, t, `head', `first', `last', an integer or a
1463 predicate. See Info node `(gnus)Customizing Articles'."
1470 "Format as HTML.
1471 Valid values are nil, t, `head', `first', `last', an integer or a
1472 predicate. See Info node `(gnus)Customizing Articles'."
1479 "Fill long lines.
1480 Valid values are nil, t, `head', `first', `last', an integer or a
1481 predicate. See Info node `(gnus)Customizing Articles'."
1487 "Play sounds.
1488 Valid values are nil, t, `head', `first', `last', an integer or a
1489 predicate. See Info node `(gnus)Customizing Articles'."
1496 "Translate articles from one language to another.
1497 Valid values are nil, t, `head', `first', `last', an integer or a
1498 predicate. See Info node `(gnus)Customizing Articles'."
1505 "Verify X-PGP-Sig.
1506 To automatically treat X-PGP-Sig, set it to head.
1507 Valid values are nil, t, `head', `first', `last', an integer or a
1508 predicate. See Info node `(gnus)Customizing Articles'."
1518 ;; Set to nil if more than one protocol added to
1519 ;; gnus-article-encrypt-protocol-alist.
1521 "The protocol used for encrypt articles.
1533 "Whether IDNA decoding of headers is used when viewing messages.
1534 This requires GNU Libidn, and by default only enabled if it is found."
1540 "If non-nil, allow scrolling the article buffer even when there no more text."
1545 ;;; Internal variables
1553 ;; Regexp matching any of the regexps from `gnus-button-alist'.
1556 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
1595 gnus-article-remove-trailing-blank-lines)
1597 gnus-article-strip-leading-blank-lines)
1599 gnus-article-strip-multiple-blank-lines)
1622 ;; This causes the citation match run O(2^n).
1623 ;; (modify-syntax-entry ?- "w" table)
1626 ;; make M-. in article buffers work for `foo' strings
1629 table)
1630 "Syntax table used in article mode buffers.
1638 gnus-summary-mode-line-format-alist))
1646 ;;; Macros for dealing with the article buffer.
1671 "Go to HEADER, which is a regular expression."
1675 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1683 "Remove hidden text properties from region between B and E."
1690 "Hide text of TYPE between B and E."
1696 "Unhide text of TYPE between B and E."
1705 "Hide text of TYPE in the current buffer."
1713 "Delete text of TYPE in the current buffer."
1717 ;; Remove MIME buttons associated with multipart/alternative parts.
1725 t))
1736 "Delete all invisible text in the current buffer."
1745 "Say whether any text of type TYPE exists in the buffer."
1749 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1757 i))
1760 "Hide unwanted headers and possibly sort them as well."
1762 ;; This function might be inhibited.
1769 ignored visible beg)
1771 ;; `gnus-ignored-headers' and `gnus-visible-headers' may be
1772 ;; group parameters, so we should go to the summary buffer.
1779 gnus-ignored-headers)
1782 gnus-ignored-headers
1785 gnus-visible-headers)
1789 gnus-visible-headers
1793 ;; First we narrow to just the headers.
1795 ;; Hide any "From " lines at the beginning of (mail) articles.
1800 ;; Then treat the rest of the header lines.
1801 ;; Then we use the two regular expressions
1802 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1803 ;; select which header lines is to remain visible in the
1804 ;; article buffer.
1807 ;; Mark the rank of the header.
1819 ;; We delete the unwanted headers.
1826 "Toggle hiding of headers that aren't very interesting.
1827 If given a negative prefix, always show; if given a positive prefix,
1828 always hide."
1840 ;; Hide empty headers.
1852 ;; Hide boring Newsgroups header.
1858 gnus-newsgroup-name
1870 ;; only one address in To
1872 to-address)))
1883 ;; only one address in To
1885 to-list)))
1896 ;; only one address in CC
1898 to-list)))
1913 from reply-to
1983 "Make all header lines 40 characters long."
1986 column)
1993 gnus-article-normalized-header-length)
1997 ? )))
2006 ;; Do nothing.
2007 ))
2011 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
2012 Note that this function guesses whether a character is a sm*rtq**t* or
2013 not, so it should only be used interactively.
2015 Sm*rtq**t*s are M****s***'s unilateral extension to the
2016 iso-8859-1 character map in an attempt to provide more quoting
2018 you're expecting some kind of apostrophe or quotation mark, then
2019 try this wash."
2024 "Translate all characters in the body of the article according to FROM and TO.
2025 FROM is a string of characters to translate from; to is a string of
2026 characters to translate to."
2041 "Translate all string in the body of the article according to MAP.
2052 "Translate overstrikes into bold text."
2060 ;; We do the boldification/underlining by hiding the
2061 ;; overstrikes and putting the proper text property
2062 ;; on the letters.
2078 "Translate ANSI SGR control sequences into overlays or extents."
2086 "Unfold folded message headers.
2087 Only the headers that fit into the current window width will be
2088 unfolded."
2108 "Fold message headers."
2131 "Remove all images from the article buffer."
2138 "Unfold folded message headers.
2139 Only the headers that fit into the current window width will be
2140 unfolded."
2152 "Place a boundary line at the end of the headers."
2169 "Fill lines that are wider than the window width."
2189 "Capitalize the first word in each sentence."
2200 "Remove trailing CRs and then translate remaining CRs into LFs."
2212 "Remove all trailing blank lines from the article."
2232 "Display any Face headers in the header."
2236 ;; When displaying parts, this function can be called several times on
2237 ;; the same article, without any intended toggle semantic (as typing `W
2238 ;; D d' would have). So face deletion must occur only when we come from
2239 ;; an interactive command, that is when the *Article* buffer is
2240 ;; read-only.
2256 png image)
2272 "Look for an X-Face header and display it if present."
2276 ;; Delete the old process, if any.
2279 ;; See the comment in `article-display-face'.
2281 ;; We have already displayed X-Faces, so we remove them
2282 ;; instead.
2284 ;; Display X-Faces.
2290 ;; If type `W f', use gnus-original-article-buffer,
2291 ;; otherwise use the current buffer because displaying
2292 ;; RFC822 parts calls this function too.
2299 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2300 ;; single external face.
2304 gnus-article-x-face-command
2306 ;; Check whether this face is censored.
2310 from)))))
2312 ;; We display the face.
2314 ;; The command is a string, so we interpret the command
2315 ;; as a, well, command, and fork it off.
2319 "article-x-face" nil shell-file-name
2320 shell-command-switch gnus-article-x-face-command)
2321 nil)
2328 ;; The command is a lisp function, so we call it.
2332 gnus-article-x-face-command))))))))))
2335 "Decode all MIME-encoded words in the article."
2342 gnus-newsgroup-ignored-charsets)))
2346 "Decode charset-encoded text in the article.
2347 If PROMPT (the prefix), prompt for a coding system to use."
2356 gnus-newsgroup-ignored-charsets))
2357 ct cte ctl charset format)
2380 ;; The text code could have been decoded.
2391 "Remove encoded-word encoding from headers."
2398 gnus-newsgroup-ignored-charsets))
2405 "Decode group names in `Newsgroups:'."
2410 gnus-group-name-charset-group-alist)
2420 ;; XXX how to use data in article buffer?
2424 nil t)
2426 gnus-newsgroup-name method))
2435 ;; XXX how to use data in article buffer?
2439 nil t)
2441 gnus-newsgroup-name method))
2447 "Decode IDNA strings in RHS in various headers in current buffer.
2448 The following headers are decoded: From:, To:, Cc:, Reply-To:,
2449 Mail-Reply-To: and Mail-Followup-To:."
2468 "Translate a quoted-printable-encoded article.
2469 If FORCE, decode the article whether it is marked as quoted-printable
2470 or not.
2471 If READ-CHARSET, ask for a coding system."
2497 "Translate a base64 article.
2498 If FORCE, decode the article whether it is marked as base64 not.
2499 If READ-CHARSET, ask for a coding system."
2531 "Translate a HZ-encoded article."
2539 "Remove the newlines that some other mailers insert into URLs."
2552 "Format an HTML article.
2553 If READ-CHARSET, ask for a coding system. If it is a number, the
2554 charset defined in `gnus-summary-show-article-charset-alist' is used."
2558 charset)
2564 gnus-summary-show-article-charset-alist))))
2596 "Wash the current buffer with w3."
2607 "Wash the current buffer with emacs-w3m."
2610 w3m-force-redisplay)
2614 w3m-minor-mode-map)
2618 ;; Put the mark meaning this part was rendered by emacs-w3m.
2624 "Wash the current buffer with w3m."
2628 ;; The default.
2639 "List of temporary files created by `gnus-article-browse-html-parts'.
2643 "What to do with temporary files from `gnus-article-browse-html-parts'.
2644 If nil, don't delete temporary files. If it is t, delete them on
2645 exit from the summary buffer. If it is the symbol `file', query
2646 on each file, if it is `ask' ask once when exiting from the
2647 summary buffer."
2655 ;; Cf. mm-postponed-undisplay-list / mm-destroy-postponed-undisplay-list.
2658 "Delete temp-files created by `gnus-article-browse-html-parts'."
2664 "Delete all %s temporary HTML file(s)? "
2670 ;; `how' is neither `nil', `ask' nor `t' (i.e. `file'):
2674 ;; Also remove file from the list when not deleted or if file doesn't
2675 ;; exist anymore.
2677 gnus-article-browse-html-temp-list)
2681 Recurse into multiparts."
2682 ;; Internal function used by `gnus-article-browse-html-article'.
2684 ;; Find and show the html-parts.
2686 ;; If HTML, show it:
2691 ;; Do we need to care for 8.3 filenames?
2702 ;; If multipart, recurse
2708 showed))
2710 ;; TODO: Key binding
2715 ;; Open raw article and select the buffer
2719 ;; If singlepart, enforce a list.
2723 ;; Process the list
2729 "Remove list identifies from the Subject header.
2730 The `gnus-list-identifiers' variable specifies what to do."
2735 gnus-list-identifiers))
2744 nil t)
2752 "Toggle hiding of any PEM headers and signatures in the current article.
2753 If given a negative prefix, always show; if given a positive prefix,
2754 always hide."
2760 ;; Hide the horrendously ugly "header".
2763 nil t)
2767 end
2772 ;; Hide the trailer as well
2774 nil t)
2779 "Strip the banners specified by the `banner' group parameter and by
2780 `gnus-article-address-banner-alist'."
2789 ;; Note that the From header is decoded here, so it is
2790 ;; required that the *-extract-address-components function
2791 ;; supports non-ASCII text.
2799 from))))
2807 "Strip the banner specified by the argument."
2829 "Translate article using an online translation service."
2844 "Hide the signature in the current article.
2845 If given a negative prefix, always show; if given a positive prefix,
2846 always hide."
2858 "Strip offensive headers from bodies."
2867 "Remove all blank lines from the beginning of the article."
2878 "Narrow the buffer to the head of the message.
2879 Point is left at the beginning of the narrowed-to region."
2888 "Place point at the start of the body."
2891 ;; This variable is only bound when dealing with separate
2892 ;; MIME body parts.
2894 t)
2896 t)
2899 nil)))
2902 "Replace consecutive blank lines with one empty line."
2907 ;; First make all blank lines empty.
2913 ;; Then replace multiple empty lines with a single empty line.
2921 "Remove all white space from the beginning of the lines in the article."
2931 "Remove all white space from the end of the lines in the article."
2941 "Strip leading, trailing and multiple blank lines."
2948 "Strip all blank lines."
2958 "Narrow to the signature; return t if a signature is found, else nil."
2962 ;; Check whether we have some limits to what we consider
2963 ;; to be a signature.
2966 limit limited)
2978 limits nil)))
2981 t)))))
2984 "Search the current buffer for the signature separator.
2985 Put point at the beginning of the signature separator."
2994 seps))
2995 t
2997 nil)))
3000 "Return the current prefix arg as a number, or 0 if no prefix."
3006 "Return nil if hiding is necessary.
3007 Arg can be nil or a number. nil and positive means hide, negative
3008 means show, 0 means toggle."
3015 nil)
3018 t)
3023 t)
3024 nil)))))))
3027 "Say whether the current buffer contains hidden text of type TYPE."
3035 'hidden
3036 nil)))
3039 "Show all hidden text of type TYPE.
3040 Originally it is hide instead of DUMMY."
3044 'article-type type
3047 gnus-hidden-properties)))
3060 "Move point to the start of the next header.
3061 If the current header is a continuation header, this can be several
3062 lines forward."
3071 "Convert DATE date to universal time in the current article.
3072 If TYPE is `local', convert to local time; if it is `lapsed', output
3073 how much time has lapsed since DATE. For `lapsed', the value of
3079 tdate-regexp)
3085 tdate-regexp)))
3089 pos date bface eface)
3099 t))
3109 ;; Delete any old Date headers.
3128 ;; Do highlighting.
3140 "Return a DATE line of TYPE."
3146 ;; Convert to the local timezone.
3149 ;; Convert to Universal Time.
3163 ;; Get the original date from the article.
3167 date)))
3168 ;; Let the user define the format.
3172 gnus-article-time-format)
3174 gnus-article-time-format)))
3178 ;; ISO 8601.
3182 "Date: "
3187 ;; Do an X-Sent lapsed format.
3189 ;; If the date is seriously mangled, the timezone functions are
3190 ;; liable to bug out, so we ignore all errors.
3197 num prev)
3205 "X-Sent: "
3206 ;; This is a bit convoluted, but basically we go
3207 ;; through the time units for years, weeks, etc,
3208 ;; and divide things to see whether that results
3209 ;; in positive answers.
3213 ;; The (remaining) seconds are too few to
3214 ;; be divided into this time unit.
3215 ""
3216 ;; It's big enough, so we output it.
3225 ;; If dates are odd, then it might appear like the
3226 ;; article was sent in the future.
3228 " ago"
3230 ;; Display the date in proper English
3234 "Date: the "
3243 " of "
3245 " "
3247 " at "
3249 ":"
3255 "Convert the current article date to the local timezone."
3260 "Convert the current article date to something that is proper English."
3265 "Convert the current article date to what it was originally.
3266 This is only useful if you have used some other date conversion
3267 function and want to see what the date was before converting."
3272 "Convert the current article date to time lapsed since it was sent."
3277 "Function to be run from a timer to update the lapsed time line."
3295 "Start a timer to update the X-Sent header in the article buffers.
3296 The numerical prefix says how frequently (in seconds) the function
3297 is to run."
3306 "Stop the X-Sent timer."
3313 "Convert the current article date to the user-defined format.
3314 This format is defined by the `gnus-article-time-format' variable."
3319 "Convert the current article date to ISO8601."
3324 "Save the original date as a text property and evaluate FORMS."
3333 nil t))
3339 ,@forms
3344 ;; (defun article-show-all ()
3345 ;; "Show all hidden text in the article buffer."
3346 ;; (interactive)
3347 ;; (save-excursion
3348 ;; (let ((inhibit-read-only t))
3349 ;; (gnus-article-unhide-text (point-min) (point-max)))))
3352 "Remove excessive whitespace from all headers."
3363 "Emphasize text according to `gnus-emphasis-alist'."
3370 gnus-article-emphasis-alist)
3372 gnus-emphasis-alist))
3375 gnus-hidden-properties))
3376 regexp elem beg invisible visible face)
3397 "Setup newsgroup emphasis alist."
3409 highlight)
3414 gnus-emphasis-alist)))))
3420 ;;; Saving functions.
3423 "Save the currently selected article."
3425 ;; Remove headers according to `gnus-saved-headers'.
3435 ;; !!! Magic! The saving functions all save
3436 ;; `gnus-save-article-buffer' (or so they think), but we
3437 ;; bind that variable to our save-buffer.
3452 function group headers variable)
3455 result)
3460 default-name)
3462 default-name)
3471 gnus-number-of-articles-to-be-saved)
3474 ;; Let the split methods have their say.
3476 ;; No split name was found.
3482 default-name))
3483 ;; A single group name is returned.
3492 default-name))
3493 ;; A single split name was found
3497 gnus-article-save-directory))
3504 dir name)))
3505 ;; A list of splits was found.
3515 gnus-article-save-directory
3517 gnus-article-save-directory)))
3519 ;; Create the directory.
3521 ;; If we have read a directory, we append the default file name.
3524 default-name)
3526 ;; Possibly translate some characters.
3539 "If GROUP is an nndoc group, return the name of the parent group."
3544 "Append this article to Rmail file.
3545 Optional argument FILENAME specifies file name.
3546 Directory to save to is default to `gnus-article-save-directory'."
3548 "Save %s in rmail file" filename
3549 gnus-rmail-save-name gnus-newsgroup-name
3556 filename)
3559 "Append this article to Unix mail file.
3560 Optional argument FILENAME specifies file name.
3561 Directory to save to is default to `gnus-article-save-directory'."
3563 "Save %s in Unix mail file" filename
3564 gnus-mail-save-name gnus-newsgroup-name
3575 filename)
3578 "Append this article to file.
3579 Optional argument FILENAME specifies file name.
3580 Directory to save to is default to `gnus-article-save-directory'."
3582 "Save %s in file" filename
3583 gnus-file-save-name gnus-newsgroup-name
3593 filename)
3596 "Write this article to a file, overwriting it if the file exists.
3597 Optional argument FILENAME specifies file name.
3598 The directory to save in defaults to `gnus-article-save-directory'."
3602 "Append this article body to a file.
3603 Optional argument FILENAME specifies file name.
3604 The directory to save in defaults to `gnus-article-save-directory'."
3606 "Save %s body in file" filename
3607 gnus-file-save-name gnus-newsgroup-name
3616 filename)
3619 "Pipe this article to subprocess."
3622 gnus-last-shell-command)
3623 gnus-last-shell-command)
3625 command)
3628 "Shell command on %s: "
3632 gnus-number-of-articles-to-be-saved)
3634 gnus-last-shell-command))))
3646 "Pipe this article to muttprint."
3648 "Print using command: " gnus-summary-muttprint-program
3649 nil gnus-summary-muttprint-program))
3652 ;;; Article file names when saving.
3655 "Capitalize NEWSGROUP name."
3661 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3662 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3663 Otherwise, it is like ~/News/news/group/num."
3670 gnus-article-save-directory)))
3675 default
3679 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3680 If variable `gnus-use-long-file-name' is non-nil, it is
3681 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3685 newsgroup
3688 gnus-article-save-directory)))
3693 default
3697 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3698 If variable `gnus-use-long-file-name' is non-nil, it is
3699 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3703 newsgroup
3706 default-directory))
3707 gnus-article-save-directory)))
3710 "Generate file name from sender."
3716 gnus-article-save-directory)))
3719 "Verify X-PGP-Sig."
3724 items info headers)
3726 mml2015-use
3734 ;; Don't verify multiple headers.
3784 ;; Do highlighting.
3793 "Verify Cancel-Lock header."
3818 article-verify-x-pgp-sig
3819 article-verify-cancel-lock
3820 article-hide-boring-headers
3821 article-treat-overstrike
3822 article-treat-ansi-sequences
3823 article-fill-long-lines
3824 article-capitalize-sentences
3825 article-remove-cr
3826 article-remove-leading-whitespace
3827 article-display-x-face
3828 article-display-face
3829 article-de-quoted-unreadable
3830 article-de-base64-unreadable
3831 article-decode-HZ
3832 article-wash-html
3833 article-unsplit-urls
3834 article-hide-list-identifiers
3835 article-strip-banner
3836 article-babel
3837 article-hide-pem
3838 article-hide-signature
3839 article-strip-headers-in-body
3840 article-remove-trailing-blank-lines
3841 article-strip-leading-blank-lines
3842 article-strip-multiple-blank-lines
3843 article-strip-leading-space
3844 article-strip-trailing-space
3845 article-strip-blank-lines
3846 article-strip-all-blank-lines
3847 article-date-local
3848 article-date-english
3849 article-date-iso8601
3850 article-date-original
3851 article-date-ut
3852 article-decode-mime-words
3853 article-decode-charset
3854 article-decode-encoded-words
3855 article-date-user
3856 article-date-lapsed
3857 article-emphasize
3858 article-treat-dumbquotes
3859 article-normalize-headers
3860 ;; (article-show-all . gnus-article-show-all-headers)
3861 )))
3862 \f
3863 ;;;
3864 ;;; Gnus article mode
3865 ;;;
3872 " " gnus-article-goto-next-page
3874 [delete] gnus-article-goto-prev-page
3875 [backspace] gnus-article-goto-prev-page
3876 "\C-c^" gnus-article-refer-article
3877 "h" gnus-article-show-summary
3878 "s" gnus-article-show-summary
3879 "\C-c\C-m" gnus-article-mail
3880 "?" gnus-article-describe-briefly
3881 "e" gnus-summary-edit-article
3882 "<" beginning-of-buffer
3883 ">" end-of-buffer
3884 "\C-c\C-i" gnus-info-find-node
3885 "\C-c\C-b" gnus-bug
3886 "R" gnus-article-reply-with-original
3887 "F" gnus-article-followup-with-original
3888 "\C-hk" gnus-article-describe-key
3889 "\C-hc" gnus-article-describe-key-briefly
3891 "\C-d" gnus-article-read-summary-keys
3892 "\M-*" gnus-article-read-summary-keys
3893 "\M-#" gnus-article-read-summary-keys
3894 "\M-^" gnus-article-read-summary-keys
3895 "\M-g" gnus-article-read-summary-keys)
3897 (substitute-key-definition
3898 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
3900 (defun gnus-article-make-menu-bar ()
3901 (unless (boundp 'gnus-article-commands-menu)
3902 (gnus-summary-make-menu-bar))
3903 (gnus-turn-off-edit-menu 'article)
3904 (unless (boundp 'gnus-article-article-menu)
3905 (easy-menu-define
3906 gnus-article-article-menu gnus-article-mode-map ""
3907 '("Article"
3908 ["Scroll forwards" gnus-article-goto-next-page t]
3909 ["Scroll backwards" gnus-article-goto-prev-page t]
3910 ["Show summary" gnus-article-show-summary t]
3911 ["Fetch Message-ID at point" gnus-article-refer-article t]
3912 ["Mail to address at point" gnus-article-mail t]
3913 ["Send a bug report" gnus-bug t]))
3915 (easy-menu-define
3916 gnus-article-treatment-menu gnus-article-mode-map ""
3917 ;; Fixme: this should use :active (and maybe :visible).
3918 '("Treatment"
3919 ["Hide headers" gnus-article-hide-headers t]
3920 ["Hide signature" gnus-article-hide-signature t]
3921 ["Hide citation" gnus-article-hide-citation t]
3922 ["Treat overstrike" gnus-article-treat-overstrike t]
3923 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
3924 ["Remove carriage return" gnus-article-remove-cr t]
3925 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3926 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
3927 ["Remove base64" gnus-article-de-base64-unreadable t]
3928 ["Treat html" gnus-article-wash-html t]
3929 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3930 ["Decode HZ" gnus-article-decode-HZ t]))
3932 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3934 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3936 (gnus-run-hooks 'gnus-article-menu-hook)))
3938 (defun gnus-article-mode ()
3939 "Major mode for displaying an article.
3941 All normal editing commands are switched off.
3943 The following commands are available in addition to all summary mode
3944 commands:
3953 (interactive)
3954 (kill-all-local-variables)
3955 (gnus-simplify-mode-line)
3956 (setq mode-name "Article")
3957 (setq major-mode 'gnus-article-mode)
3958 (make-local-variable 'minor-mode-alist)
3959 (use-local-map gnus-article-mode-map)
3960 (when (gnus-visual-p 'article-menu 'menu)
3961 (gnus-article-make-menu-bar)
3962 (when gnus-summary-tool-bar-map
3963 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
3964 (gnus-update-format-specifications nil 'article-mode)
3965 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3966 (set (make-local-variable 'gnus-page-broken) nil)
3967 (make-local-variable 'gnus-button-marker-list)
3968 (make-local-variable 'gnus-article-current-summary)
3969 (make-local-variable 'gnus-article-mime-handles)
3970 (make-local-variable 'gnus-article-decoded-p)
3971 (make-local-variable 'gnus-article-mime-handle-alist)
3972 (make-local-variable 'gnus-article-wash-types)
3973 (make-local-variable 'gnus-article-image-alist)
3974 (make-local-variable 'gnus-article-charset)
3975 (make-local-variable 'gnus-article-ignored-charsets)
3976 ;; Prevent recent Emacsen from displaying non-break space as "\ ".
3977 (set (make-local-variable 'nobreak-char-display) nil)
3978 (setq cursor-in-non-selected-windows nil)
3979 (gnus-set-default-directory)
3980 (buffer-disable-undo)
3981 (setq buffer-read-only t
3982 show-trailing-whitespace nil)
3983 (set-syntax-table gnus-article-mode-syntax-table)
3984 (mm-enable-multibyte)
3985 (gnus-run-mode-hooks 'gnus-article-mode-hook))
3987 (defun gnus-article-setup-buffer ()
3988 "Initialize the article buffer."
3989 (let* ((name (if gnus-single-article-buffer "*Article*"
3990 (concat "*Article " gnus-newsgroup-name "*")))
3991 (original
3993 (concat " *Original Article"
3994 (substring name (match-end 0))))))
3995 (setq gnus-article-buffer name)
3996 (setq gnus-original-article-buffer original)
3997 (setq gnus-article-mime-handle-alist nil)
3998 ;; This might be a variable local to the summary buffer.
3999 (unless gnus-single-article-buffer
4000 (save-excursion
4001 (set-buffer gnus-summary-buffer)
4002 (setq gnus-article-buffer name)
4003 (setq gnus-original-article-buffer original)
4004 (gnus-set-global-variables)))
4005 (gnus-article-setup-highlight-words)
4006 ;; Init original article buffer.
4007 (save-excursion
4008 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
4009 (mm-enable-multibyte)
4010 (setq major-mode 'gnus-original-article-mode)
4011 (make-local-variable 'gnus-original-article))
4012 (if (and (get-buffer name)
4013 (with-current-buffer name
4014 (if gnus-article-edit-mode
4015 (if (y-or-n-p "Article mode edit in progress; discard? ")
4016 (progn
4017 (set-buffer-modified-p nil)
4018 (gnus-kill-buffer name)
4019 (message "")
4020 nil)
4021 (error "Action aborted"))
4022 t)))
4023 (save-excursion
4024 (set-buffer name)
4025 (set (make-local-variable 'gnus-article-edit-mode) nil)
4026 (when gnus-article-mime-handles
4027 (mm-destroy-parts gnus-article-mime-handles)
4028 (setq gnus-article-mime-handles nil))
4029 ;; Set it to nil in article-buffer!
4030 (setq gnus-article-mime-handle-alist nil)
4031 (buffer-disable-undo)
4032 (setq buffer-read-only t)
4033 ;; This list just keeps growing if we don't reset it.
4034 (setq gnus-button-marker-list nil)
4035 (unless (eq major-mode 'gnus-article-mode)
4036 (gnus-article-mode))
4037 (current-buffer))
4038 (save-excursion
4039 (set-buffer (gnus-get-buffer-create name))
4040 (gnus-article-mode)
4041 (make-local-variable 'gnus-summary-buffer)
4042 (gnus-summary-set-local-parameters gnus-newsgroup-name)
4043 (current-buffer)))))
4045 ;; Set article window start at LINE, where LINE is the number of lines
4046 ;; from the head of the article.
4047 (defun gnus-article-set-window-start (&optional line)
4048 (set-window-start
4049 (gnus-get-buffer-window gnus-article-buffer t)
4050 (save-excursion
4051 (set-buffer gnus-article-buffer)
4052 (goto-char (point-min))
4053 (if (not line)
4054 (point-min)
4055 (gnus-message 6 "Moved to bookmark")
4057 (forward-line line)
4058 (point)))))
4060 (defun gnus-article-prepare (article &optional all-headers header)
4061 "Prepare ARTICLE in article mode buffer.
4062 ARTICLE should either be an article number or a Message-ID.
4063 If ARTICLE is an id, HEADER should be the article headers.
4064 If ALL-HEADERS is non-nil, no headers are hidden."
4065 (save-excursion
4066 ;; Make sure we start in a summary buffer.
4067 (unless (eq major-mode 'gnus-summary-mode)
4068 (set-buffer gnus-summary-buffer))
4069 (setq gnus-summary-buffer (current-buffer))
4070 (let* ((gnus-article (if header (mail-header-number header) article))
4071 (summary-buffer (current-buffer))
4072 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
4073 (group gnus-newsgroup-name)
4074 result)
4075 (save-excursion
4076 (gnus-article-setup-buffer)
4077 (set-buffer gnus-article-buffer)
4078 ;; Deactivate active regions.
4079 (when (and (boundp 'transient-mark-mode)
4080 transient-mark-mode)
4081 (setq mark-active nil))
4082 (if (not (setq result (let ((inhibit-read-only t))
4083 (gnus-request-article-this-buffer
4084 article group))))
4085 ;; There is no such article.
4086 (save-excursion
4087 (when (and (numberp article)
4088 (not (memq article gnus-newsgroup-sparse)))
4089 (setq gnus-article-current
4090 (cons gnus-newsgroup-name article))
4091 (set-buffer gnus-summary-buffer)
4092 (setq gnus-current-article article)
4093 (if (and (memq article gnus-newsgroup-undownloaded)
4094 (not (gnus-online (gnus-find-method-for-group
4095 gnus-newsgroup-name))))
4096 (progn
4097 (gnus-summary-set-agent-mark article)
4098 (message "Message marked for downloading"))
4099 (gnus-summary-mark-article article gnus-canceled-mark)
4100 (unless (memq article gnus-newsgroup-sparse)
4101 (gnus-error 1 "No such article (may have expired or been canceled)")))))
4102 (if (or (eq result 'pseudo)
4103 (eq result 'nneething))
4104 (progn
4105 (save-excursion
4106 (set-buffer summary-buffer)
4107 (push article gnus-newsgroup-history)
4108 (setq gnus-last-article gnus-current-article
4109 gnus-current-article 0
4110 gnus-current-headers nil
4111 gnus-article-current nil)
4112 (if (eq result 'nneething)
4113 (gnus-configure-windows 'summary)
4114 (gnus-configure-windows 'article))
4115 (gnus-set-global-variables))
4116 (let ((gnus-article-mime-handle-alist-1
4117 gnus-article-mime-handle-alist))
4118 (gnus-set-mode-line 'article)))
4119 ;; The result from the `request' was an actual article -
4120 ;; or at least some text that is now displayed in the
4121 ;; article buffer.
4122 (when (and (numberp article)
4123 (not (eq article gnus-current-article)))
4124 ;; Seems like a new article has been selected.
4125 ;; `gnus-current-article' must be an article number.
4126 (save-excursion
4127 (set-buffer summary-buffer)
4128 (push article gnus-newsgroup-history)
4129 (setq gnus-last-article gnus-current-article
4130 gnus-current-article article
4131 gnus-current-headers
4132 (gnus-summary-article-header gnus-current-article)
4133 gnus-article-current
4134 (cons gnus-newsgroup-name gnus-current-article))
4135 (unless (vectorp gnus-current-headers)
4136 (setq gnus-current-headers nil))
4137 (gnus-summary-goto-subject gnus-current-article)
4138 (when (gnus-summary-show-thread)
4139 ;; If the summary buffer really was folded, the
4140 ;; previous goto may not actually have gone to
4141 ;; the right article, but the thread root instead.
4142 ;; So we go again.
4143 (gnus-summary-goto-subject gnus-current-article))
4144 (gnus-run-hooks 'gnus-mark-article-hook)
4145 (gnus-set-mode-line 'summary)
4146 (when (gnus-visual-p 'article-highlight 'highlight)
4147 (gnus-run-hooks 'gnus-visual-mark-article-hook))
4148 ;; Set the global newsgroup variables here.
4149 (gnus-set-global-variables)
4150 (setq gnus-have-all-headers
4151 (or all-headers gnus-show-all-headers))))
4152 (save-excursion
4153 (gnus-configure-windows 'article))
4154 (when (or (numberp article)
4155 (stringp article))
4156 (gnus-article-prepare-display)
4157 ;; Do page break.
4158 (goto-char (point-min))
4159 (when gnus-break-pages
4160 (gnus-narrow-to-page)))
4161 (let ((gnus-article-mime-handle-alist-1
4162 gnus-article-mime-handle-alist))
4163 (gnus-set-mode-line 'article))
4164 (article-goto-body)
4165 (unless (bobp)
4166 (forward-line -1))
4167 (set-window-point (get-buffer-window (current-buffer)) (point))
4168 (gnus-configure-windows 'article)
4169 t))))))
4171 ;;;###autoload
4172 (defun gnus-article-prepare-display ()
4173 "Make the current buffer look like a nice article."
4174 ;; Hooks for getting information from the article.
4175 ;; This hook must be called before being narrowed.
4176 (let ((gnus-article-buffer (current-buffer))
4177 buffer-read-only
4178 (inhibit-read-only t))
4179 (unless (eq major-mode 'gnus-article-mode)
4180 (gnus-article-mode))
4181 (setq buffer-read-only nil
4182 gnus-article-wash-types nil
4183 gnus-article-image-alist nil)
4184 (gnus-run-hooks 'gnus-tmp-internal-hook)
4185 (when gnus-display-mime-function
4186 (funcall gnus-display-mime-function))
4187 (gnus-run-hooks 'gnus-article-prepare-hook)))
4189 ;;;
4190 ;;; Gnus MIME viewing functions
4191 ;;;
4194 "Format of the MIME buttons.
4196 Valid specifiers include:
4197 %t The MIME type
4198 %T MIME type, along with additional info
4199 %n The `name' parameter
4200 %d The description, if any
4201 %l The length of the encoded part
4202 %p The part identifier number
4203 %e Dots if the part isn't displayed
4205 General format specifiers can also be used. See Info node
4206 `(gnus)Formatting Variables'.")
4208 (defvar gnus-mime-button-line-format-alist
4209 '((?t gnus-tmp-type ?s)
4210 (?T gnus-tmp-type-long ?s)
4211 (?n gnus-tmp-name ?s)
4212 (?d gnus-tmp-description ?s)
4213 (?p gnus-tmp-id ?s)
4214 (?l gnus-tmp-length ?d)
4215 (?e gnus-tmp-dots ?s)))
4217 (defvar gnus-mime-button-commands
4219 (gnus-mime-view-part "v" "View Interactively...")
4220 (gnus-mime-view-part-as-type "t" "View As Type...")
4221 (gnus-mime-view-part-as-charset "C" "View As charset...")
4222 (gnus-mime-save-part "o" "Save...")
4223 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4224 (gnus-mime-replace-part "r" "Replace part")
4225 (gnus-mime-delete-part "d" "Delete part")
4226 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4227 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4228 (gnus-mime-view-part-internally "E" "View Internally") ;; Why `E'?
4229 (gnus-mime-view-part-externally "e" "View Externally")
4230 (gnus-mime-print-part "p" "Print")
4231 (gnus-mime-pipe-part "|" "Pipe To Command...")
4232 (gnus-mime-action-on-part "." "Take action on the part...")))
4234 (defun gnus-article-mime-part-status ()
4235 (if gnus-article-mime-handle-alist-1
4236 (if (eq 1 (length gnus-article-mime-handle-alist-1))
4237 " (1 part)"
4238 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
4239 ""))
4241 (defvar gnus-mime-button-map
4242 (let ((map (make-sparse-keymap)))
4243 (define-key map gnus-mouse-2 'gnus-article-push-button)
4244 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4245 (dolist (c gnus-mime-button-commands)
4246 (define-key map (cadr c) (car c)))
4247 map))
4249 (easy-menu-define
4250 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4251 `("MIME Part"
4252 ,@(mapcar (lambda (c)
4253 (vector (caddr c) (car c) :enable t))
4254 gnus-mime-button-commands)))
4256 (defun gnus-mime-button-menu (event prefix)
4257 "Construct a context-sensitive menu of MIME commands."
4259 (save-window-excursion
4260 (let ((pos (event-start event)))
4261 (select-window (posn-window pos))
4262 (goto-char (posn-point pos))
4263 (gnus-article-check-buffer)
4264 (popup-menu gnus-mime-button-menu nil prefix))))
4266 (defun gnus-mime-view-all-parts (&optional handles)
4267 "View all the MIME parts."
4268 (interactive)
4269 (with-current-buffer gnus-article-buffer
4270 (let ((handles (or handles gnus-article-mime-handles))
4271 (mail-parse-charset gnus-newsgroup-charset)
4272 (mail-parse-ignored-charsets
4273 (with-current-buffer gnus-summary-buffer
4274 gnus-newsgroup-ignored-charsets)))
4275 (when handles
4276 (mm-remove-parts handles)
4277 (goto-char (point-min))
4279 (let ((inhibit-read-only t))
4280 (delete-region (point) (point-max))
4281 (mm-display-parts handles))))))
4283 (defun gnus-article-jump-to-part (n)
4284 "Jump to MIME part N."
4285 (interactive "P")
4286 (pop-to-buffer gnus-article-buffer)
4287 ;; FIXME: why is it necessary?
4288 (sit-for 0)
4289 (let ((parts (length gnus-article-mime-handle-alist)))
4290 (or n (setq n
4291 (string-to-number
4292 (read-string ;; Emacs 21 doesn't have `read-number'.
4293 (format "Jump to part (2..%s): " parts)))))
4294 (unless (and (integerp n) (<= n parts) (>= n 1))
4295 (setq n
4296 (progn
4297 (gnus-message 7 "Invalid part `%s', using %s instead."
4298 n parts)
4299 parts)))
4300 (gnus-message 9 "Jumping to part %s." n)
4301 (cond ((>= gnus-auto-select-part 1)
4302 (while (and (<= n parts)
4303 (not (gnus-article-goto-part n)))
4304 (setq n (1+ n))))
4305 ((< gnus-auto-select-part 0)
4306 (while (and (>= n 1)
4307 (not (gnus-article-goto-part n)))
4308 (setq n (1- n))))
4309 (t
4310 (gnus-article-goto-part n)))))
4312 (eval-when-compile
4313 (defsubst gnus-article-edit-part (handles &optional current-id)
4314 "Edit an article in order to delete a mime part.
4315 This function is exclusively used by `gnus-mime-save-part-and-strip'
4316 and `gnus-mime-delete-part', and not provided at run-time normally."
4317 (gnus-article-edit-article
4318 `(lambda ()
4319 (buffer-disable-undo)
4320 (erase-buffer)
4321 (let ((mail-parse-charset (or gnus-article-charset
4322 ',gnus-newsgroup-charset))
4323 (mail-parse-ignored-charsets
4324 (or gnus-article-ignored-charsets
4325 ',gnus-newsgroup-ignored-charsets))
4326 (mbl mml-buffer-list))
4327 (setq mml-buffer-list nil)
4328 (insert-buffer-substring gnus-original-article-buffer)
4329 (mime-to-mml ',handles)
4330 (setq gnus-article-mime-handles nil)
4331 (let ((mbl1 mml-buffer-list))
4332 (setq mml-buffer-list mbl)
4333 (set (make-local-variable 'mml-buffer-list) mbl1))
4334 (gnus-make-local-hook 'kill-buffer-hook)
4335 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4336 `(lambda (no-highlight)
4337 (let ((mail-parse-charset (or gnus-article-charset
4338 ',gnus-newsgroup-charset))
4339 (message-options message-options)
4340 (message-options-set-recipient)
4341 (mail-parse-ignored-charsets
4342 (or gnus-article-ignored-charsets
4343 ',gnus-newsgroup-ignored-charsets)))
4344 (mml-to-mime)
4345 (mml-destroy-buffers)
4346 (remove-hook 'kill-buffer-hook
4347 'mml-destroy-buffers t)
4348 (kill-local-variable 'mml-buffer-list))
4349 (gnus-summary-edit-article-done
4350 ,(or (mail-header-references gnus-current-headers) "")
4351 ,(gnus-group-read-only-p)
4352 ,gnus-summary-buffer no-highlight))
4353 t)
4354 (gnus-article-edit-done)
4355 (gnus-summary-expand-window)
4356 (gnus-summary-show-article)
4357 (when (and current-id (integerp gnus-auto-select-part))
4358 (gnus-article-jump-to-part
4359 (+ current-id gnus-auto-select-part)))))
4361 (defun gnus-mime-replace-part (file)
4362 "Replace MIME part under point with an external body."
4363 ;; Useful if file has already been saved to disk
4364 (interactive
4365 (list
4366 (mm-with-multibyte
4367 (read-file-name "Replace MIME part with file: "
4368 (or mm-default-directory default-directory)
4369 nil nil))))
4370 (gnus-mime-save-part-and-strip file))
4372 (defun gnus-mime-save-part-and-strip (&optional file)
4373 "Save the MIME part under point then replace it with an external body.
4374 If FILE is given, use it for the external part."
4375 (interactive)
4376 (gnus-article-check-buffer)
4377 (when (gnus-group-read-only-p)
4378 (error "The current group does not support deleting of parts"))
4379 (when (mm-complicated-handles gnus-article-mime-handles)
4380 (error "\
4381 The current article has a complicated MIME structure, giving up..."))
4382 (let* ((data (get-text-property (point) 'gnus-data))
4383 (id (get-text-property (point) 'gnus-part))
4384 param
4385 (handles gnus-article-mime-handles))
4386 (unless file
4387 (setq file
4388 (and data (mm-save-part data "Delete MIME part and save to: "))))
4389 (when file
4390 (with-current-buffer (mm-handle-buffer data)
4391 (erase-buffer)
4392 (insert "Content-Type: " (mm-handle-media-type data))
4393 (mml-insert-parameter-string (cdr (mm-handle-type data))
4394 '(charset))
4395 ;; Add a filename for the sake of saving the part again.
4396 (mml-insert-parameter
4397 (mail-header-encode-parameter "name" (file-name-nondirectory file)))
4402 (setcdr data
4403 (cdr (mm-make-handle nil
4404 `("message/external-body"
4405 (access-type . "LOCAL-FILE")
4406 (name . ,file)))))
4407 ;; (set-buffer gnus-summary-buffer)
4408 (gnus-article-edit-part handles id))))
4410 ;; A function like `gnus-summary-save-parts' (`X m', `<MIME> <Extract all
4411 ;; parts...>') but with stripping would be nice.
4413 (defun gnus-mime-delete-part ()
4414 "Delete the MIME part under point.
4415 Replace it with some information about the removed part."
4416 (interactive)
4417 (gnus-article-check-buffer)
4418 (when (gnus-group-read-only-p)
4419 (error "The current group does not support deleting of parts"))
4420 (when (mm-complicated-handles gnus-article-mime-handles)
4421 (error "\
4422 The current article has a complicated MIME structure, giving up..."))
4423 (when (or gnus-expert-user
4424 (gnus-yes-or-no-p "\
4425 Deleting parts may malfunction or destroy the article; continue? "))
4426 (let* ((data (get-text-property (point) 'gnus-data))
4427 (id (get-text-property (point) 'gnus-part))
4428 (handles gnus-article-mime-handles)
4429 (none "(none)")
4430 (description
4431 (or
4432 (mail-decode-encoded-word-string (or (mm-handle-description data)
4433 none))))
4434 (filename
4435 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4436 none))
4437 (type (mm-handle-media-type data)))
4438 (unless data
4439 (error "No MIME part under point"))
4440 (with-current-buffer (mm-handle-buffer data)
4441 (let ((bsize (format "%s" (buffer-size))))
4442 (erase-buffer)
4443 (insert
4444 (concat
4453 (setcdr data
4454 (cdr (mm-make-handle
4455 nil `("text/plain") nil nil
4456 (list "attachment")
4457 (format "Deleted attachment (%s bytes)" bsize))))))
4458 ;; (set-buffer gnus-summary-buffer)
4459 (gnus-article-edit-part handles id))))
4461 (defun gnus-mime-save-part ()
4462 "Save the MIME part under point."
4463 (interactive)
4464 (gnus-article-check-buffer)
4465 (let ((data (get-text-property (point) 'gnus-data)))
4466 (when data
4467 (mm-save-part data))))
4469 (defun gnus-mime-pipe-part ()
4470 "Pipe the MIME part under point to a process."
4471 (interactive)
4472 (gnus-article-check-buffer)
4473 (let ((data (get-text-property (point) 'gnus-data)))
4474 (when data
4475 (mm-pipe-part data))))
4477 (defun gnus-mime-view-part ()
4478 "Interactively choose a viewing method for the MIME part under point."
4479 (interactive)
4480 (gnus-article-check-buffer)
4481 (let ((data (get-text-property (point) 'gnus-data)))
4482 (when data
4483 (setq gnus-article-mime-handles
4484 (mm-merge-handles
4485 gnus-article-mime-handles (setq data (copy-sequence data))))
4486 (mm-interactively-view-part data))))
4488 (defun gnus-mime-view-part-as-type-internal ()
4489 (gnus-article-check-buffer)
4490 (let* ((handle (get-text-property (point) 'gnus-data))
4491 (name (or
4492 ;; Content-Type: foo/bar; name=...
4493 (mail-content-type-get (mm-handle-type handle) 'name)
4494 ;; Content-Disposition: attachment; filename=...
4495 (cdr (assq 'filename (cdr (mm-handle-disposition handle))))))
4496 (def-type (and name (mm-default-file-encoding name))))
4497 (and def-type (cons def-type 0))))
4499 (defun gnus-mime-view-part-as-type (&optional mime-type)
4500 "Choose a MIME media type, and view the part as such."
4501 (interactive)
4502 (unless mime-type
4503 (setq mime-type
4504 (let ((default (gnus-mime-view-part-as-type-internal)))
4505 (completing-read
4506 (format "View as MIME type (default %s): "
4507 (car default))
4508 (mapcar #'list (mailcap-mime-types))
4509 nil nil nil nil
4510 (car default)))))
4511 (gnus-article-check-buffer)
4512 (let ((handle (get-text-property (point) 'gnus-data)))
4513 (when handle
4514 (when (equal (mm-handle-media-type handle) "message/external-body")
4515 (unless (mm-handle-cache handle)
4516 (mm-extern-cache-contents handle))
4517 (setq handle (mm-handle-cache handle)))
4518 (setq handle
4519 (mm-make-handle (mm-handle-buffer handle)
4520 (cons mime-type (cdr (mm-handle-type handle)))
4521 (mm-handle-encoding handle)
4522 (mm-handle-undisplayer handle)
4523 (mm-handle-disposition handle)
4524 (mm-handle-description handle)
4525 nil
4526 (mm-handle-id handle)))
4527 (setq gnus-article-mime-handles
4528 (mm-merge-handles gnus-article-mime-handles handle))
4529 (gnus-mm-display-part handle))))
4531 (defun gnus-mime-copy-part (&optional handle arg)
4532 "Put the MIME part under point into a new buffer.
4533 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
4534 are decompressed."
4535 (interactive (list nil current-prefix-arg))
4536 (gnus-article-check-buffer)
4537 (unless handle
4538 (setq handle (get-text-property (point) 'gnus-data)))
4539 (when handle
4540 (let ((filename (or (mail-content-type-get (mm-handle-type handle)
4541 'name)
4542 (mail-content-type-get (mm-handle-disposition handle)
4543 'filename)))
4544 contents dont-decode charset coding-system)
4545 (mm-with-unibyte-buffer
4546 (mm-insert-part handle)
4547 (setq contents (or (condition-case nil
4548 (mm-decompress-buffer filename nil 'sig)
4549 (error
4550 (setq dont-decode t)
4551 nil))
4552 (buffer-string))))
4553 (setq filename (cond (filename (file-name-nondirectory filename))
4554 (dont-decode "*raw data*")
4555 (t "*decoded*")))
4556 (cond
4557 (dont-decode)
4558 ((not arg)
4559 (unless (setq charset (mail-content-type-get
4560 (mm-handle-type handle) 'charset))
4561 (unless (setq coding-system (mm-with-unibyte-buffer
4562 (insert contents)
4563 (mm-find-buffer-file-coding-system)))
4564 (setq charset gnus-newsgroup-charset))))
4565 ((numberp arg)
4566 (setq charset (or (cdr (assq arg
4567 gnus-summary-show-article-charset-alist))
4568 (mm-read-coding-system "Charset: ")))))
4569 (switch-to-buffer (generate-new-buffer filename))
4570 (if (or coding-system
4571 (and charset
4572 (setq coding-system (mm-charset-to-coding-system charset))
4573 (not (eq charset 'ascii))))
4574 (progn
4575 (mm-enable-multibyte)
4576 (insert (mm-decode-coding-string contents coding-system))
4577 (setq buffer-file-coding-system
4578 (if (boundp 'last-coding-system-used)
4579 (symbol-value 'last-coding-system-used)
4580 coding-system)))
4581 (mm-disable-multibyte)
4582 (insert contents)
4583 (setq buffer-file-coding-system mm-binary-coding-system))
4584 ;; We do it this way to make `normal-mode' set the appropriate mode.
4585 (unwind-protect
4586 (progn
4587 (setq buffer-file-name (expand-file-name filename))
4588 (normal-mode))
4589 (setq buffer-file-name nil))
4590 (goto-char (point-min)))))
4592 (defun gnus-mime-print-part (&optional handle filename)
4593 "Print the MIME part under point."
4594 (interactive (list nil (ps-print-preprint current-prefix-arg)))
4595 (gnus-article-check-buffer)
4596 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4597 (contents (and handle (mm-get-part handle)))
4598 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
4599 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
4600 (when contents
4601 (if printer
4602 (unwind-protect
4603 (progn
4604 (mm-save-part-to-file handle file)
4605 (call-process shell-file-name nil
4606 (generate-new-buffer " *mm*")
4607 nil
4608 shell-command-switch
4609 (mm-mailcap-command
4610 printer file (mm-handle-type handle))))
4611 (delete-file file))
4612 (with-temp-buffer
4613 (insert contents)
4614 (gnus-print-buffer))
4615 (ps-despool filename)))))
4617 (defun gnus-mime-inline-part (&optional handle arg)
4618 "Insert the MIME part under point into the current buffer.
4619 Compressed files like .gz and .bz2 are decompressed."
4620 (interactive (list nil current-prefix-arg))
4621 (gnus-article-check-buffer)
4622 (unless handle
4623 (setq handle (get-text-property (point) 'gnus-data)))
4624 (when handle
4625 (let ((b (point))
4626 (inhibit-read-only t)
4627 contents charset coding-system)
4628 (if (and (not arg) (mm-handle-undisplayer handle))
4629 (mm-remove-part handle)
4630 (mm-with-unibyte-buffer
4631 (mm-insert-part handle)
4632 (setq contents
4633 (or (mm-decompress-buffer
4634 (or (mail-content-type-get (mm-handle-type handle)
4635 'name)
4636 (mail-content-type-get (mm-handle-disposition handle)
4637 'filename))
4638 nil t)
4639 (buffer-string))))
4640 (cond
4641 ((not arg)
4642 (unless (setq charset (mail-content-type-get
4643 (mm-handle-type handle) 'charset))
4644 (unless (setq coding-system
4645 (mm-with-unibyte-buffer
4646 (insert contents)
4647 (mm-find-buffer-file-coding-system)))
4648 (setq charset gnus-newsgroup-charset))))
4649 ((numberp arg)
4650 (if (mm-handle-undisplayer handle)
4651 (mm-remove-part handle))
4652 (setq charset
4653 (or (cdr (assq arg
4654 gnus-summary-show-article-charset-alist))
4655 (mm-read-coding-system "Charset: "))))
4656 (t
4657 (if (mm-handle-undisplayer handle)
4658 (mm-remove-part handle))))
4659 (forward-line 2)
4660 (mm-insert-inline
4661 handle
4662 (if (or coding-system
4663 (and charset
4664 (setq coding-system
4665 (mm-charset-to-coding-system charset))
4666 (not (eq coding-system 'ascii))))
4667 (mm-decode-coding-string contents coding-system)
4668 (mm-string-to-multibyte contents)))
4669 (goto-char b)))))
4671 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4672 "Insert the MIME part under point into the current buffer using the
4673 specified charset."
4674 (interactive (list nil current-prefix-arg))
4675 (gnus-article-check-buffer)
4676 (let ((handle (or handle (get-text-property (point) 'gnus-data)))
4677 (fun (get-text-property (point) 'gnus-callback))
4678 (gnus-newsgroup-ignored-charsets 'gnus-all)
4679 gnus-newsgroup-charset type charset)
4680 (when handle
4681 (if (mm-handle-undisplayer handle)
4682 (mm-remove-part handle))
4683 (when fun
4684 (setq gnus-newsgroup-charset
4685 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
4686 (mm-read-coding-system "Charset: ")))
4687 ;; Strip the charset parameter from `handle'.
4688 (setq type (mm-handle-type
4689 (if (equal (mm-handle-media-type handle)
4690 "message/external-body")
4691 (progn
4692 (unless (mm-handle-cache handle)
4693 (mm-extern-cache-contents handle))
4694 (mm-handle-cache handle))
4695 handle))
4696 charset (assq 'charset (cdr type)))
4697 (delq charset type)
4698 (funcall fun handle)))))
4700 (defun gnus-mime-view-part-externally (&optional handle)
4701 "View the MIME part under point with an external viewer."
4702 (interactive)
4703 (gnus-article-check-buffer)
4704 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4705 (mm-user-display-methods nil)
4706 (mm-inlined-types nil)
4707 (mail-parse-charset gnus-newsgroup-charset)
4708 (mail-parse-ignored-charsets
4709 (with-current-buffer gnus-summary-buffer
4710 gnus-newsgroup-ignored-charsets)))
4711 (when handle
4712 (if (mm-handle-undisplayer handle)
4713 (mm-remove-part handle)
4714 (mm-display-part handle)))))
4716 (defun gnus-mime-view-part-internally (&optional handle)
4717 "View the MIME part under point with an internal viewer.
4718 If no internal viewer is available, use an external viewer."
4719 (interactive)
4720 (gnus-article-check-buffer)
4721 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4722 (mm-inlined-types '(".*"))
4723 (mm-inline-large-images t)
4724 (mail-parse-charset gnus-newsgroup-charset)
4725 (mail-parse-ignored-charsets
4726 (with-current-buffer gnus-summary-buffer
4727 gnus-newsgroup-ignored-charsets))
4728 (inhibit-read-only t))
4729 (when handle
4730 (if (mm-handle-undisplayer handle)
4731 (mm-remove-part handle)
4732 (mm-display-part handle)))))
4734 (defun gnus-mime-action-on-part (&optional action)
4735 "Do something with the MIME attachment at \(point\)."
4736 (interactive
4737 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
4738 (gnus-article-check-buffer)
4739 (let ((action-pair (assoc action gnus-mime-action-alist)))
4740 (if action-pair
4741 (funcall (cdr action-pair)))))
4743 (defun gnus-article-part-wrapper (n function &optional no-handle interactive)
4744 "Call FUNCTION on MIME part N.
4745 Unless NO-HANDLE, call FUNCTION with N-th MIME handle as it's only argument.
4746 If INTERACTIVE, call FUNCTION interactivly."
4747 (let (window frame)
4748 ;; Check whether the article is displayed.
4749 (unless (and (gnus-buffer-live-p gnus-article-buffer)
4750 (setq window (get-buffer-window gnus-article-buffer t))
4751 (frame-visible-p (setq frame (window-frame window))))
4752 (error "No article is displayed"))
4753 (with-current-buffer gnus-article-buffer
4754 ;; Check whether the article displays the right contents.
4755 (unless (with-current-buffer gnus-summary-buffer
4756 (eq gnus-current-article (gnus-summary-article-number)))
4757 (error "You should select the right article first"))
4758 ;; Check whether the specified part exists.
4759 (when (> n (length gnus-article-mime-handle-alist))
4760 (error "No such part")))
4761 (unless
4762 (progn
4763 ;; To select the window is needed so that the cursor
4764 ;; might be visible on the MIME button.
4765 (select-window (prog1
4766 window
4767 (setq window (selected-window))
4768 ;; Article may be displayed in the other frame.
4769 (gnus-select-frame-set-input-focus
4770 (prog1
4771 frame
4772 (setq frame (selected-frame))))))
4773 (when (gnus-article-goto-part n)
4774 ;; We point the cursor and the arrow at the MIME button
4775 ;; when the `function' prompt the user for something.
4776 (let ((cursor-in-non-selected-windows t)
4777 (overlay-arrow-string "=>")
4778 (overlay-arrow-position (point-marker)))
4779 (unwind-protect
4780 (cond
4781 ((and no-handle interactive)
4782 (call-interactively function))
4783 (no-handle
4784 (funcall function))
4785 (interactive
4786 (call-interactively
4787 function
4788 (cdr (assq n gnus-article-mime-handle-alist))))
4789 (t
4790 (funcall function
4791 (cdr (assq n gnus-article-mime-handle-alist)))))
4792 (set-marker overlay-arrow-position nil)
4793 (unless gnus-auto-select-part
4794 (gnus-select-frame-set-input-focus frame)
4795 (select-window window))))
4796 t))
4797 (if gnus-inhibit-mime-unbuttonizing
4798 ;; This is the default though the program shouldn't reach here.
4799 (error "No such part")
4800 ;; The part which doesn't have the MIME button is selected.
4801 ;; So, we display all the buttons and redo it.
4802 (let ((gnus-inhibit-mime-unbuttonizing t))
4803 (gnus-summary-show-article)
4804 (gnus-article-part-wrapper n function no-handle))))))
4806 (defun gnus-article-pipe-part (n)
4807 "Pipe MIME part N, which is the numerical prefix."
4808 (interactive "p")
4809 (gnus-article-part-wrapper n 'mm-pipe-part))
4811 (defun gnus-article-save-part (n)
4812 "Save MIME part N, which is the numerical prefix."
4813 (interactive "p")
4814 (gnus-article-part-wrapper n 'mm-save-part))
4816 (defun gnus-article-interactively-view-part (n)
4817 "View MIME part N interactively, which is the numerical prefix."
4818 (interactive "p")
4819 (gnus-article-part-wrapper n 'mm-interactively-view-part))
4821 (defun gnus-article-copy-part (n)
4822 "Copy MIME part N, which is the numerical prefix."
4823 (interactive "p")
4824 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
4826 (defun gnus-article-view-part-as-charset (n)
4827 "View MIME part N using a specified charset.
4828 N is the numerical prefix."
4829 (interactive "p")
4830 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
4832 (defun gnus-article-view-part-externally (n)
4833 "View MIME part N externally, which is the numerical prefix."
4834 (interactive "p")
4835 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
4837 (defun gnus-article-inline-part (n)
4838 "Inline MIME part N, which is the numerical prefix."
4839 (interactive "p")
4840 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
4842 (defun gnus-article-save-part-and-strip (n)
4843 "Save MIME part N and replace it with an external body.
4844 N is the numerical prefix."
4845 (interactive "p")
4846 (gnus-article-part-wrapper n 'gnus-mime-save-part-and-strip t))
4848 (defun gnus-article-replace-part (n)
4849 "Replace MIME part N with an external body.
4850 N is the numerical prefix."
4851 (interactive "p")
4852 (gnus-article-part-wrapper n 'gnus-mime-replace-part t t))
4854 (defun gnus-article-delete-part (n)
4855 "Delete MIME part N and add some information about the removed part.
4856 N is the numerical prefix."
4857 (interactive "p")
4858 (gnus-article-part-wrapper n 'gnus-mime-delete-part t))
4860 (defun gnus-article-mime-match-handle-first (condition)
4861 (if condition
4862 (let (n)
4863 (dolist (ihandle gnus-article-mime-handle-alist)
4864 (if (and (cond
4865 ((functionp condition)
4866 (funcall condition (cdr ihandle)))
4867 ((eq condition 'undisplayed)
4868 (not (or (mm-handle-undisplayer (cdr ihandle))
4869 (equal (mm-handle-media-type (cdr ihandle))
4870 "multipart/alternative"))))
4871 ((eq condition 'undisplayed-alternative)
4872 (not (mm-handle-undisplayer (cdr ihandle))))
4873 (t t))
4874 (gnus-article-goto-part (car ihandle))
4875 (or (not n) (< (car ihandle) n)))
4876 (setq n (car ihandle))))
4877 (or n 1))
4878 1))
4880 (defun gnus-article-view-part (&optional n)
4881 "View MIME part N, which is the numerical prefix."
4882 (interactive "P")
4883 (with-current-buffer gnus-article-buffer
4884 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4885 gnus-article-mime-match-handle-function)))
4886 (when (> n (length gnus-article-mime-handle-alist))
4887 (error "No such part"))
4888 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4889 (when (gnus-article-goto-part n)
4890 (if (equal (car handle) "multipart/alternative")
4891 (gnus-article-press-button)
4892 (when (eq (gnus-mm-display-part handle) 'internal)
4893 (gnus-set-window-start)))))))
4895 (defsubst gnus-article-mime-total-parts ()
4896 (if (bufferp (car gnus-article-mime-handles))
4897 1 ;; single part
4898 (1- (length gnus-article-mime-handles))))
4900 (defun gnus-mm-display-part (handle)
4901 "Display HANDLE and fix MIME button."
4902 (let ((id (get-text-property (point) 'gnus-part))
4903 (point (point))
4904 (inhibit-read-only t))
4905 (forward-line 1)
4906 (prog1
4907 (let ((window (selected-window))
4908 (mail-parse-charset gnus-newsgroup-charset)
4909 (mail-parse-ignored-charsets
4910 (if (gnus-buffer-live-p gnus-summary-buffer)
4911 (with-current-buffer gnus-summary-buffer
4912 gnus-newsgroup-ignored-charsets)
4913 nil)))
4914 (save-excursion
4915 (unwind-protect
4916 (let ((win (gnus-get-buffer-window (current-buffer) t))
4917 (beg (point)))
4918 (when win
4919 (select-window win))
4920 (goto-char point)
4921 (forward-line)
4922 (if (mm-handle-displayed-p handle)
4923 ;; This will remove the part.
4924 (mm-display-part handle)
4925 (save-restriction
4926 (narrow-to-region (point)
4927 (if (eobp) (point) (1+ (point))))
4928 (mm-display-part handle)
4929 ;; We narrow to the part itself and
4930 ;; then call the treatment functions.
4931 (goto-char (point-min))
4932 (forward-line 1)
4933 (narrow-to-region (point) (point-max))
4934 (gnus-treat-article
4935 nil id
4936 (gnus-article-mime-total-parts)
4937 (mm-handle-media-type handle)))))
4938 (if (window-live-p window)
4939 (select-window window)))))
4940 (goto-char point)
4941 (gnus-delete-line)
4942 (gnus-insert-mime-button
4943 handle id (list (mm-handle-displayed-p handle)))
4944 (goto-char point))))
4946 (defun gnus-article-goto-part (n)
4947 "Go to MIME part N."
4948 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
4950 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4951 (let ((gnus-tmp-name
4952 (or (mail-content-type-get (mm-handle-type handle) 'name)
4953 (mail-content-type-get (mm-handle-disposition handle) 'filename)
4954 (mail-content-type-get (mm-handle-type handle) 'url)
4955 ""))
4956 (gnus-tmp-type (mm-handle-media-type handle))
4957 (gnus-tmp-description
4958 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4959 "")))
4960 (gnus-tmp-dots
4961 (if (if displayed (car displayed)
4962 (mm-handle-displayed-p handle))
4963 "" "..."))
4964 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4965 (buffer-size)))
4966 gnus-tmp-type-long b e)
4967 (when (string-match ".*/" gnus-tmp-name)
4968 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4969 (setq gnus-tmp-type-long (concat gnus-tmp-type
4970 (and (not (equal gnus-tmp-name ""))
4971 (concat "; " gnus-tmp-name))))
4972 (unless (equal gnus-tmp-description "")
4973 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4974 (unless (bolp)
4976 (setq b (point))
4977 (gnus-eval-format
4978 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4979 `(keymap ,gnus-mime-button-map
4980 gnus-callback gnus-mm-display-part
4981 gnus-part ,gnus-tmp-id
4982 article-type annotation
4983 gnus-data ,handle))
4984 (setq e (if (bolp)
4985 ;; Exclude a newline.
4986 (1- (point))
4987 (point)))
4988 (widget-convert-button
4989 'link b e
4990 :mime-handle handle
4991 :action 'gnus-widget-press-button
4992 :button-keymap gnus-mime-button-map
4993 :help-echo
4994 (lambda (widget/window &optional overlay pos)
4995 ;; Needed to properly clear the message due to a bug in
4996 ;; wid-edit (XEmacs only).
4997 (if (boundp 'help-echo-owns-message)
4998 (setq help-echo-owns-message t))
4999 (format
5000 "%S: %s the MIME part; %S: more options"
5001 (aref gnus-mouse-2 0)
5002 ;; XEmacs will get a single widget arg; Emacs 21 will get
5003 ;; window, overlay, position.
5004 (if (mm-handle-displayed-p
5005 (if overlay
5006 (with-current-buffer (gnus-overlay-buffer overlay)
5007 (widget-get (widget-at (gnus-overlay-start overlay))
5008 :mime-handle))
5009 (widget-get widget/window :mime-handle)))
5010 "hide" "show")
5011 (aref gnus-down-mouse-3 0))))))
5013 (defun gnus-widget-press-button (elems el)
5014 (goto-char (widget-get elems :from))
5015 (gnus-article-press-button))
5017 (defvar gnus-displaying-mime nil)
5019 (defun gnus-display-mime (&optional ihandles)
5020 "Display the MIME parts."
5021 (save-excursion
5022 (save-selected-window
5023 (let ((window (get-buffer-window gnus-article-buffer))
5024 (point (point)))
5025 (when window
5026 (select-window window)
5027 ;; We have to do this since selecting the window
5028 ;; may change the point. So we set the window point.
5029 (set-window-point window point)))
5030 (let ((handles ihandles)
5031 (inhibit-read-only t)
5032 handle)
5033 (cond (handles)
5034 ((setq handles (mm-dissect-buffer nil gnus-article-loose-mime))
5035 (when gnus-article-emulate-mime
5036 (mm-uu-dissect-text-parts handles)))
5037 (gnus-article-emulate-mime
5038 (setq handles (mm-uu-dissect))))
5039 (when (and (not ihandles)
5040 (not gnus-displaying-mime))
5041 ;; Top-level call; we clean up.
5042 (when gnus-article-mime-handles
5043 (mm-destroy-parts gnus-article-mime-handles)
5044 (setq gnus-article-mime-handle-alist nil));; A trick.
5045 (setq gnus-article-mime-handles handles)
5046 ;; We allow users to glean info from the handles.
5047 (when gnus-article-mime-part-function
5048 (gnus-mime-part-function handles)))
5049 (if (and handles
5050 (or (not (stringp (car handles)))
5051 (cdr handles)))
5052 (progn
5053 (when (and (not ihandles)
5054 (not gnus-displaying-mime))
5055 ;; Clean up for mime parts.
5056 (article-goto-body)
5057 (delete-region (point) (point-max)))
5058 (let ((gnus-displaying-mime t))
5059 (gnus-mime-display-part handles)))
5060 (save-restriction
5061 (article-goto-body)
5062 (narrow-to-region (point) (point-max))
5063 (gnus-treat-article nil 1 1)
5064 (widen)))
5065 (unless ihandles
5066 ;; Highlight the headers.
5067 (save-excursion
5068 (save-restriction
5069 (article-goto-body)
5070 (narrow-to-region (point-min) (point))
5071 (gnus-article-save-original-date
5072 (gnus-treat-article 'head)))))))))
5074 (defcustom gnus-mime-display-multipart-as-mixed nil
5077 If t, it overrides nil values of
5078 `gnus-mime-display-multipart-alternative-as-mixed' and
5079 `gnus-mime-display-multipart-related-as-mixed'."
5080 :group 'gnus-article-mime
5081 :type 'boolean)
5083 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
5085 :version "22.1"
5086 :group 'gnus-article-mime
5087 :type 'boolean)
5089 (defcustom gnus-mime-display-multipart-related-as-mixed nil
5093 `mm-discouraged-alternatives'\) images or other material inside a
5095 :version "22.1"
5096 :group 'gnus-article-mime
5097 :type 'boolean)
5099 (defun gnus-mime-display-part (handle)
5100 (cond
5101 ;; Maybe a broken MIME message.
5102 ((null handle))
5103 ;; Single part.
5104 ((not (stringp (car handle)))
5105 (gnus-mime-display-single handle))
5106 ;; User-defined multipart
5107 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
5108 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
5109 handle))
5110 ;; multipart/alternative
5111 ((and (equal (car handle) "multipart/alternative")
5112 (not (or gnus-mime-display-multipart-as-mixed
5113 gnus-mime-display-multipart-alternative-as-mixed)))
5114 (let ((id (1+ (length gnus-article-mime-handle-alist))))
5115 (push (cons id handle) gnus-article-mime-handle-alist)
5116 (gnus-mime-display-alternative (cdr handle) nil nil id)))
5117 ;; multipart/related
5118 ((and (equal (car handle) "multipart/related")
5119 (not (or gnus-mime-display-multipart-as-mixed
5120 gnus-mime-display-multipart-related-as-mixed)))
5121 ;;;!!!We should find the start part, but we just default
5122 ;;;!!!to the first part.
5123 ;;(gnus-mime-display-part (cadr handle))
5124 ;;;!!! Most multipart/related is an HTML message plus images.
5125 ;;;!!! Unfortunately we are unable to let W3 display those
5126 ;;;!!! included images, so we just display it as a mixed multipart.
5127 ;;(gnus-mime-display-mixed (cdr handle))
5128 ;;;!!! No, w3 can display everything just fine.
5129 (gnus-mime-display-part (cadr handle)))
5130 ((equal (car handle) "multipart/signed")
5131 (gnus-add-wash-type 'signed)
5132 (gnus-mime-display-security handle))
5133 ((equal (car handle) "multipart/encrypted")
5134 (gnus-add-wash-type 'encrypted)
5135 (gnus-mime-display-security handle))
5136 ;; Other multiparts are handled like multipart/mixed.
5137 (t
5138 (gnus-mime-display-mixed (cdr handle)))))
5140 (defun gnus-mime-part-function (handles)
5141 (if (stringp (car handles))
5142 (mapcar 'gnus-mime-part-function (cdr handles))
5143 (funcall gnus-article-mime-part-function handles)))
5145 (defun gnus-mime-display-mixed (handles)
5146 (mapcar 'gnus-mime-display-part handles))
5148 (defun gnus-mime-display-single (handle)
5149 (let ((type (mm-handle-media-type handle))
5150 (ignored gnus-ignored-mime-types)
5151 (not-attachment t)
5152 (move nil)
5153 display text)
5154 (catch 'ignored
5155 (progn
5156 (while ignored
5157 (when (string-match (pop ignored) type)
5158 (throw 'ignored nil)))
5159 (if (and (setq not-attachment
5160 (and (not (mm-inline-override-p handle))
5161 (or (not (mm-handle-disposition handle))
5162 (equal (car (mm-handle-disposition handle))
5163 "inline")
5164 (mm-attachment-override-p handle))))
5165 (mm-automatic-display-p handle)
5166 (or (and
5167 (mm-inlinable-p handle)
5168 (mm-inlined-p handle))
5169 (mm-automatic-external-display-p type)))
5170 (setq display t)
5171 (when (equal (mm-handle-media-supertype handle) "text")
5172 (setq text t)))
5173 (let ((id (1+ (length gnus-article-mime-handle-alist)))
5174 beg)
5175 (push (cons id handle) gnus-article-mime-handle-alist)
5176 (when (and display
5177 (equal (mm-handle-media-supertype handle) "message"))
5178 (insert-char
5180 (cond ((not (bolp)) 2)
5182 (t 1))))
5183 (when (or (not display)
5184 (not (gnus-unbuttonized-mime-type-p type)))
5185 (gnus-insert-mime-button
5186 handle id (list (or display (and not-attachment text))))
5187 (gnus-article-insert-newline)
5188 ;; Remember modify the number of forward lines.
5189 (setq move t))
5190 (setq beg (point))
5191 (cond
5192 (display
5193 (when move
5194 (forward-line -1)
5195 (setq beg (point)))
5196 (let ((mail-parse-charset gnus-newsgroup-charset)
5197 (mail-parse-ignored-charsets
5198 (save-excursion (condition-case ()
5199 (set-buffer gnus-summary-buffer)
5200 (error))
5201 gnus-newsgroup-ignored-charsets)))
5202 (mm-display-part handle t))
5203 (goto-char (point-max)))
5204 ((and text not-attachment)
5205 (when move
5206 (forward-line -1)
5207 (setq beg (point)))
5208 (gnus-article-insert-newline)
5209 (mm-insert-inline
5210 handle
5211 (let ((charset (mail-content-type-get (mm-handle-type handle)
5212 'charset)))
5213 (cond ((not charset)
5214 (mm-string-as-multibyte (mm-get-part handle)))
5215 ((eq charset 'gnus-decoded)
5216 (with-current-buffer (mm-handle-buffer handle)
5217 (buffer-string)))
5218 (t
5219 (mm-decode-string (mm-get-part handle) charset)))))
5220 (goto-char (point-max))))
5221 ;; Do highlighting.
5222 (save-excursion
5223 (save-restriction
5224 (narrow-to-region beg (point))
5225 (gnus-treat-article
5226 nil id
5227 (gnus-article-mime-total-parts)
5228 (mm-handle-media-type handle)))))))))
5230 (defun gnus-unbuttonized-mime-type-p (type)
5231 "Say whether TYPE is to be unbuttonized."
5232 (unless gnus-inhibit-mime-unbuttonizing
5233 (when (catch 'found
5234 (let ((types gnus-unbuttonized-mime-types))
5235 (while types
5236 (when (string-match (pop types) type)
5237 (throw 'found t)))))
5238 (not (catch 'found
5239 (let ((types gnus-buttonized-mime-types))
5240 (while types
5241 (when (string-match (pop types) type)
5242 (throw 'found t)))))))))
5244 (defun gnus-article-insert-newline ()
5245 "Insert a newline, but mark it as undeletable."
5246 (gnus-put-text-property
5249 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
5250 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
5251 (ihandles handles)
5252 (point (point))
5253 handle (inhibit-read-only t) from props begend not-pref)
5254 (save-window-excursion
5255 (save-restriction
5256 (when ibegend
5257 (narrow-to-region (car ibegend)
5258 (or (cdr ibegend)
5259 (progn
5260 (goto-char (car ibegend))
5261 (forward-line 2)
5262 (point))))
5263 (delete-region (point-min) (point-max))
5264 (mm-remove-parts handles))
5265 (setq begend (list (point-marker)))
5266 ;; Do the toggle.
5267 (unless (setq not-pref (cadr (member preferred ihandles)))
5268 (setq not-pref (car ihandles)))
5269 (when (or ibegend
5270 (not preferred)
5271 (not (gnus-unbuttonized-mime-type-p
5272 "multipart/alternative")))
5273 (gnus-add-text-properties
5274 (setq from (point))
5275 (progn
5276 (insert (format "%d. " id))
5277 (point))
5278 `(gnus-callback
5279 (lambda (handles)
5280 (unless ,(not ibegend)
5281 (setq gnus-article-mime-handle-alist
5282 ',gnus-article-mime-handle-alist))
5283 (gnus-mime-display-alternative
5284 ',ihandles ',not-pref ',begend ,id))
5285 keymap ,gnus-mime-button-map
5286 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5287 face ,gnus-article-button-face
5288 gnus-part ,id
5289 article-type multipart))
5290 (widget-convert-button 'link from (point)
5291 :action 'gnus-widget-press-button
5292 :button-keymap gnus-widget-button-keymap)
5293 ;; Do the handles
5294 (while (setq handle (pop handles))
5295 (gnus-add-text-properties
5296 (setq from (point))
5297 (progn
5298 (insert (format "(%c) %-18s"
5299 (if (equal handle preferred) ?* ? )
5300 (mm-handle-media-type handle)))
5301 (point))
5302 `(gnus-callback
5303 (lambda (handles)
5304 (unless ,(not ibegend)
5305 (setq gnus-article-mime-handle-alist
5306 ',gnus-article-mime-handle-alist))
5307 (gnus-mime-display-alternative
5308 ',ihandles ',handle ',begend ,id))
5309 keymap ,gnus-mime-button-map
5310 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5311 face ,gnus-article-button-face
5312 gnus-part ,id
5313 gnus-data ,handle))
5314 (widget-convert-button 'link from (point)
5315 :action 'gnus-widget-press-button
5316 :button-keymap gnus-widget-button-keymap)
5317 (insert " "))
5319 (when preferred
5320 (if (stringp (car preferred))
5321 (gnus-display-mime preferred)
5322 (let ((mail-parse-charset gnus-newsgroup-charset)
5323 (mail-parse-ignored-charsets
5324 (with-current-buffer gnus-summary-buffer
5325 gnus-newsgroup-ignored-charsets)))
5326 (mm-display-part preferred)
5327 ;; Do highlighting.
5328 (save-excursion
5329 (save-restriction
5330 (narrow-to-region (car begend) (point-max))
5331 (gnus-treat-article
5332 nil (length gnus-article-mime-handle-alist)
5333 (gnus-article-mime-total-parts)
5334 (mm-handle-media-type handle))))))
5335 (goto-char (point-max))
5336 (setcdr begend (point-marker)))))
5337 (when ibegend
5338 (goto-char point))))
5340 (defconst gnus-article-wash-status-strings
5341 (let ((alist '((cite "c" "Possible hidden citation text"
5342 " " "All citation text visible")
5343 (headers "h" "Hidden headers"
5344 " " "All headers visible.")
5345 (pgp "p" "Encrypted or signed message status hidden"
5346 " " "No hidden encryption nor digital signature status")
5347 (signature "s" "Signature has been hidden"
5348 " " "Signature is visible")
5349 (overstrike "o" "Overstrike (^H) characters applied"
5350 " " "No overstrike characters applied")
5351 (emphasis "e" "/*_Emphasis_*/ characters applied"
5352 " " "No /*_emphasis_*/ characters applied")))
5353 result)
5354 (dolist (entry alist result)
5355 (let ((key (nth 0 entry))
5356 (on (copy-sequence (nth 1 entry)))
5357 (on-help (nth 2 entry))
5358 (off (copy-sequence (nth 3 entry)))
5359 (off-help (nth 4 entry)))
5360 (put-text-property 0 1 'help-echo on-help on)
5361 (put-text-property 0 1 'help-echo off-help off)
5362 (push (list key on off) result))))
5363 "Alist of strings describing wash status in the mode line.
5364 Each entry has the form (KEY ON OF), where the KEY is a symbol
5365 representing the particular washing function, ON is the string to use
5366 in the article mode line when the washing function is active, and OFF
5367 is the string to use when it is inactive.")
5369 (defun gnus-article-wash-status-entry (key value)
5370 (let ((entry (assoc key gnus-article-wash-status-strings)))
5371 (if value (nth 1 entry) (nth 2 entry))))
5373 (defun gnus-article-wash-status ()
5374 "Return a string which display status of article washing."
5375 (with-current-buffer gnus-article-buffer
5376 (let ((cite (memq 'cite gnus-article-wash-types))
5377 (headers (memq 'headers gnus-article-wash-types))
5378 (boring (memq 'boring-headers gnus-article-wash-types))
5379 (pgp (memq 'pgp gnus-article-wash-types))
5380 (pem (memq 'pem gnus-article-wash-types))
5381 (signed (memq 'signed gnus-article-wash-types))
5382 (encrypted (memq 'encrypted gnus-article-wash-types))
5383 (signature (memq 'signature gnus-article-wash-types))
5384 (overstrike (memq 'overstrike gnus-article-wash-types))
5385 (emphasis (memq 'emphasis gnus-article-wash-types)))
5386 (concat
5387 (gnus-article-wash-status-entry 'cite cite)
5388 (gnus-article-wash-status-entry 'headers (or headers boring))
5389 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
5390 (gnus-article-wash-status-entry 'signature signature)
5391 (gnus-article-wash-status-entry 'overstrike overstrike)
5392 (gnus-article-wash-status-entry 'emphasis emphasis)))))
5394 (defun gnus-add-wash-type (type)
5395 "Add a washing of TYPE to the current status."
5396 (add-to-list 'gnus-article-wash-types type))
5398 (defun gnus-delete-wash-type (type)
5399 "Add a washing of TYPE to the current status."
5400 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
5402 (defun gnus-add-image (category image)
5403 "Add IMAGE of CATEGORY to the list of displayed images."
5404 (let ((entry (assq category gnus-article-image-alist)))
5405 (unless entry
5406 (setq entry (list category))
5407 (push entry gnus-article-image-alist))
5408 (nconc entry (list image))))
5410 (defun gnus-delete-images (category)
5411 "Delete all images in CATEGORY."
5412 (let ((entry (assq category gnus-article-image-alist)))
5413 (dolist (image (cdr entry))
5414 (gnus-remove-image image category))
5415 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
5416 (gnus-delete-wash-type category)))
5418 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
5420 (defun gnus-article-maybe-hide-headers ()
5421 "Hide unwanted headers if `gnus-have-all-headers' is nil.
5422 Provided for backwards compatibility."
5423 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
5424 (not (with-current-buffer gnus-summary-buffer
5425 gnus-have-all-headers)))
5426 (not gnus-inhibit-hiding))
5427 (gnus-article-hide-headers)))
5429 ;;; Article savers.
5431 (defun gnus-output-to-file (file-name)
5432 "Append the current article to a file named FILE-NAME."
5433 (let ((artbuf (current-buffer)))
5434 (with-temp-buffer
5435 (insert-buffer-substring artbuf)
5436 ;; Append newline at end of the buffer as separator, and then
5437 ;; save it to file.
5438 (goto-char (point-max))
5440 (let ((file-name-coding-system nnmail-pathname-coding-system))
5441 (mm-append-to-file (point-min) (point-max) file-name))
5442 t)))
5444 (defun gnus-narrow-to-page (&optional arg)
5445 "Narrow the article buffer to a page.
5446 If given a numerical ARG, move forward ARG pages."
5447 (interactive "P")
5448 (setq arg (if arg (prefix-numeric-value arg) 0))
5449 (save-excursion
5450 (set-buffer gnus-article-buffer)
5451 (goto-char (point-min))
5452 (widen)
5453 ;; Remove any old next/prev buttons.
5454 (when (gnus-visual-p 'page-marker)
5455 (let ((inhibit-read-only t))
5456 (gnus-remove-text-with-property 'gnus-prev)
5457 (gnus-remove-text-with-property 'gnus-next)))
5458 (if
5459 (cond ((< arg 0)
5460 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
5461 ((> arg 0)
5462 (re-search-forward page-delimiter nil 'move arg)))
5463 (goto-char (match-end 0))
5464 (save-excursion
5465 (goto-char (point-min))
5466 (setq gnus-page-broken
5467 (and (re-search-forward page-delimiter nil t) t))))
5468 (when gnus-page-broken
5469 (narrow-to-region
5470 (point)
5471 (if (re-search-forward page-delimiter nil 'move)
5472 (match-beginning 0)
5473 (point)))
5474 (when (and (gnus-visual-p 'page-marker)
5475 (> (point-min) (save-restriction (widen) (point-min))))
5476 (save-excursion
5477 (goto-char (point-min))
5478 (gnus-insert-prev-page-button)))
5479 (when (and (gnus-visual-p 'page-marker)
5480 (< (point-max) (save-restriction (widen) (point-max))))
5481 (save-excursion
5482 (goto-char (point-max))
5483 (gnus-insert-next-page-button))))))
5485 ;; Article mode commands
5487 (defun gnus-article-goto-next-page ()
5488 "Show the next page of the article."
5489 (interactive)
5490 (when (gnus-article-next-page)
5491 (goto-char (point-min))
5492 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
5495 (defun gnus-article-goto-prev-page ()
5496 "Show the previous page of the article."
5497 (interactive)
5498 (if (bobp)
5499 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
5500 (gnus-article-prev-page nil)))
5502 ;; This is cleaner but currently breaks `gnus-pick-mode':
5503 ;;
5504 ;; (defun gnus-article-goto-next-page ()
5505 ;; "Show the next page of the article."
5506 ;; (interactive)
5507 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5508 ;; (gnus-summary-next-page)))
5509 ;;
5510 ;; (defun gnus-article-goto-prev-page ()
5511 ;; "Show the next page of the article."
5512 ;; (interactive)
5513 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5514 ;; (gnus-summary-prev-page)))
5516 (defun gnus-article-next-page (&optional lines)
5517 "Show the next page of the current article.
5518 If end of article, return non-nil. Otherwise return nil.
5519 Argument LINES specifies lines to be scrolled up."
5520 (interactive "p")
5521 (move-to-window-line -1)
5522 (if (save-excursion
5523 (end-of-line)
5524 (and (pos-visible-in-window-p) ;Not continuation line.
5525 (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
5526 ;; Nothing in this page.
5527 (if (or (not gnus-page-broken)
5528 (save-excursion
5529 (save-restriction
5530 (widen)
5531 (forward-line)
5532 (eobp)))) ;Real end-of-buffer?
5533 (progn
5534 (when gnus-article-over-scroll
5535 (gnus-article-next-page-1 lines))
5536 t) ;Nothing more.
5537 (gnus-narrow-to-page 1) ;Go to next page.
5538 nil)
5539 ;; More in this page.
5540 (gnus-article-next-page-1 lines)
5541 nil))
5543 (defmacro gnus-article-beginning-of-window ()
5544 "Move point to the beginning of the window.
5545 In Emacs, the point is placed at the line number which `scroll-margin'
5546 specifies."
5547 (if (featurep 'xemacs)
5548 '(move-to-window-line 0)
5549 '(move-to-window-line
5550 (min (max 0 scroll-margin)
5551 (max 1 (- (window-height)
5552 (if mode-line-format 1 0)
5553 (if header-line-format 1 0)))))))
5555 (defun gnus-article-next-page-1 (lines)
5556 (when (and (not (featurep 'xemacs))
5557 (numberp lines)
5558 (> lines 0)
5559 (numberp (symbol-value 'scroll-margin))
5560 (> (symbol-value 'scroll-margin) 0))
5561 ;; Protect against the bug that Emacs 21.x hangs up when scrolling up for
5562 ;; too many number of lines if `scroll-margin' is set as two or greater.
5563 (setq lines (min lines
5564 (max 0 (- (count-lines (window-start) (point-max))
5565 (symbol-value 'scroll-margin))))))
5566 (condition-case ()
5567 (let ((scroll-in-place nil))
5568 (scroll-up lines))
5569 (end-of-buffer
5570 ;; Long lines may cause an end-of-buffer error.
5571 (goto-char (point-max))))
5572 (gnus-article-beginning-of-window))
5574 (defun gnus-article-prev-page (&optional lines)
5575 "Show previous page of current article.
5576 Argument LINES specifies lines to be scrolled down."
5577 (interactive "p")
5578 (move-to-window-line 0)
5579 (if (and gnus-page-broken
5580 (bobp)
5581 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
5582 (progn
5583 (gnus-narrow-to-page -1) ;Go to previous page.
5584 (goto-char (point-max))
5585 (recenter -1))
5586 (prog1
5587 (condition-case ()
5588 (let ((scroll-in-place nil))
5589 (scroll-down lines))
5590 (beginning-of-buffer
5591 (goto-char (point-min))))
5592 (gnus-article-beginning-of-window))))
5594 (defun gnus-article-only-boring-p ()
5595 "Decide whether there is only boring text remaining in the article.
5597 not have a face in `gnus-article-boring-faces'."
5598 (when (and gnus-article-skip-boring
5599 (boundp 'gnus-article-boring-faces)
5600 (symbol-value 'gnus-article-boring-faces))
5601 (save-excursion
5602 (let ((inhibit-point-motion-hooks t))
5603 (catch 'only-boring
5605 (forward-char -1)
5606 (when (not (gnus-intersection
5607 (gnus-faces-at (point))
5608 (symbol-value 'gnus-article-boring-faces)))
5609 (throw 'only-boring nil)))
5610 (throw 'only-boring t))))))
5612 (defun gnus-article-refer-article ()
5613 "Read article specified by message-id around point."
5614 (interactive)
5615 (save-excursion
5619 (let ((msg-id (concat "<" (match-string 0) ">")))
5620 (set-buffer gnus-summary-buffer)
5621 (gnus-summary-refer-article msg-id))
5622 (error "No references around point"))))
5624 (defun gnus-article-show-summary ()
5625 "Reconfigure windows to show summary buffer."
5626 (interactive)
5627 (if (not (gnus-buffer-live-p gnus-summary-buffer))
5628 (error "There is no summary buffer for this article buffer")
5629 (gnus-article-set-globals)
5630 (gnus-configure-windows 'article)
5631 (gnus-summary-goto-subject gnus-current-article)
5632 (gnus-summary-position-point)))
5634 (defun gnus-article-describe-briefly ()
5635 "Describe article mode commands briefly."
5636 (interactive)
5637 (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")))
5639 (defun gnus-article-summary-command ()
5640 "Execute the last keystroke in the summary buffer."
5641 (interactive)
5642 (let ((obuf (current-buffer))
5643 (owin (current-window-configuration))
5644 func)
5645 (switch-to-buffer gnus-article-current-summary 'norecord)
5646 (setq func (lookup-key (current-local-map) (this-command-keys)))
5647 (call-interactively func)
5648 (set-buffer obuf)
5649 (set-window-configuration owin)
5650 (set-window-point (get-buffer-window (current-buffer)) (point))))
5652 (defun gnus-article-summary-command-nosave ()
5653 "Execute the last keystroke in the summary buffer."
5654 (interactive)
5655 (let (func)
5656 (pop-to-buffer gnus-article-current-summary 'norecord)
5657 (setq func (lookup-key (current-local-map) (this-command-keys)))
5658 (call-interactively func)))
5660 (defun gnus-article-check-buffer ()
5661 "Beep if not in an article buffer."
5662 (unless (equal major-mode 'gnus-article-mode)
5663 (error "Command invoked outside of a Gnus article buffer")))
5665 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
5666 "Read a summary buffer key sequence and execute it from the article buffer."
5667 (interactive "P")
5668 (gnus-article-check-buffer)
5669 (let ((nosaves
5670 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
5671 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
5672 "=" "^" "\M-^" "|"))
5673 (nosave-but-article
5675 (nosave-in-article
5676 '("\C-d"))
5677 (up-to-top
5678 '("n" "Gn" "p" "Gp"))
5679 keys new-sum-point)
5680 (save-excursion
5681 (set-buffer gnus-article-current-summary)
5682 (let (gnus-pick-mode)
5683 (push (or key last-command-event) unread-command-events)
5684 (setq keys (if (featurep 'xemacs)
5685 (events-to-keys (read-key-sequence nil))
5686 (read-key-sequence nil)))))
5688 (message "")
5690 (if (or (member keys nosaves)
5691 (member keys nosave-but-article)
5692 (member keys nosave-in-article))
5693 (let (func)
5694 (save-window-excursion
5695 (pop-to-buffer gnus-article-current-summary 'norecord)
5696 ;; We disable the pick minor mode commands.
5697 (let (gnus-pick-mode)
5698 (setq func (lookup-key (current-local-map) keys))))
5699 (if (or (not func)
5700 (numberp func))
5701 (ding)
5702 (unless (member keys nosave-in-article)
5703 (set-buffer gnus-article-current-summary))
5704 (call-interactively func)
5705 (setq new-sum-point (point)))
5706 (when (member keys nosave-but-article)
5707 (pop-to-buffer gnus-article-buffer 'norecord)))
5708 ;; These commands should restore window configuration.
5709 (let ((obuf (current-buffer))
5710 (owin (current-window-configuration))
5711 (opoint (point))
5712 win func in-buffer selected new-sum-start new-sum-hscroll)
5713 (cond (not-restore-window
5714 (pop-to-buffer gnus-article-current-summary 'norecord))
5715 ((setq win (get-buffer-window gnus-article-current-summary))
5716 (select-window win))
5717 (t
5718 (switch-to-buffer gnus-article-current-summary 'norecord)))
5719 (setq in-buffer (current-buffer))
5720 ;; We disable the pick minor mode commands.
5721 (if (and (setq func (let (gnus-pick-mode)
5722 (lookup-key (current-local-map) keys)))
5723 (functionp func))
5724 (progn
5725 (call-interactively func)
5726 (when (eq win (selected-window))
5727 (setq new-sum-point (point)
5728 new-sum-start (window-start win)
5729 new-sum-hscroll (window-hscroll win)))
5730 (when (eq in-buffer (current-buffer))
5731 (setq selected (gnus-summary-select-article))
5732 (set-buffer obuf)
5733 (unless not-restore-window
5734 (set-window-configuration owin))
5735 (when (eq selected 'old)
5736 (article-goto-body)
5737 (set-window-start (get-buffer-window (current-buffer))
5738 1)
5739 (set-window-point (get-buffer-window (current-buffer))
5740 (point)))
5741 (when (and (not not-restore-window)
5742 new-sum-point)
5743 (set-window-point win new-sum-point)
5744 (set-window-start win new-sum-start)
5745 (set-window-hscroll win new-sum-hscroll))))
5746 (set-window-configuration owin)
5747 (ding))))))
5749 (defun gnus-article-describe-key (key)
5750 "Display documentation of the function invoked by KEY. KEY is a string."
5751 (interactive "kDescribe key: ")
5752 (gnus-article-check-buffer)
5753 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5754 (save-excursion
5755 (set-buffer gnus-article-current-summary)
5756 (let (gnus-pick-mode)
5757 (if (featurep 'xemacs)
5758 (progn
5759 (push (elt key 0) unread-command-events)
5760 (setq key (events-to-keys
5761 (read-key-sequence "Describe key: "))))
5762 (setq unread-command-events
5763 (mapcar
5764 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5765 (string-to-list key)))
5766 (setq key (read-key-sequence "Describe key: "))))
5767 (describe-key key))
5768 (describe-key key)))
5770 (defun gnus-article-describe-key-briefly (key &optional insert)
5771 "Display documentation of the function invoked by KEY. KEY is a string."
5773 (gnus-article-check-buffer)
5774 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5775 (save-excursion
5776 (set-buffer gnus-article-current-summary)
5777 (let (gnus-pick-mode)
5778 (if (featurep 'xemacs)
5779 (progn
5780 (push (elt key 0) unread-command-events)
5781 (setq key (events-to-keys
5782 (read-key-sequence "Describe key: "))))
5783 (setq unread-command-events
5784 (mapcar
5785 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5786 (string-to-list key)))
5787 (setq key (read-key-sequence "Describe key: "))))
5788 (describe-key-briefly key insert))
5789 (describe-key-briefly key insert)))
5791 (defun gnus-article-reply-with-original (&optional wide)
5792 "Start composing a reply mail to the current message.
5793 The text in the region will be yanked. If the region isn't active,
5794 the entire article will be yanked."
5795 (interactive "P")
5796 (let ((article (cdr gnus-article-current))
5797 contents)
5798 (if (not (gnus-region-active-p))
5799 (with-current-buffer gnus-summary-buffer
5800 (gnus-summary-reply (list (list article)) wide))
5801 (setq contents (buffer-substring (point) (mark t)))
5802 ;; Deactivate active regions.
5803 (when (and (boundp 'transient-mark-mode)
5804 transient-mark-mode)
5805 (setq mark-active nil))
5806 (with-current-buffer gnus-summary-buffer
5807 (gnus-summary-reply
5808 (list (list article contents)) wide)))))
5810 (defun gnus-article-followup-with-original ()
5811 "Compose a followup to the current article.
5812 The text in the region will be yanked. If the region isn't active,
5813 the entire article will be yanked."
5814 (interactive)
5815 (let ((article (cdr gnus-article-current))
5816 contents)
5817 (if (not (gnus-region-active-p))
5818 (with-current-buffer gnus-summary-buffer
5819 (gnus-summary-followup (list (list article))))
5820 (setq contents (buffer-substring (point) (mark t)))
5821 ;; Deactivate active regions.
5822 (when (and (boundp 'transient-mark-mode)
5823 transient-mark-mode)
5824 (setq mark-active nil))
5825 (with-current-buffer gnus-summary-buffer
5826 (gnus-summary-followup
5827 (list (list article contents)))))))
5829 (defun gnus-article-hide (&optional arg force)
5830 "Hide all the gruft in the current article.
5831 This means that signatures, cited text and (some) headers will be
5832 hidden.
5833 If given a prefix, show the hidden text instead."
5834 (interactive (append (gnus-article-hidden-arg) (list 'force)))
5835 (gnus-article-hide-headers arg)
5836 (gnus-article-hide-list-identifiers arg)
5837 (gnus-article-hide-citation-maybe arg force)
5838 (gnus-article-hide-signature arg))
5840 (defun gnus-article-maybe-highlight ()
5841 "Do some article highlighting if article highlighting is requested."
5842 (when (gnus-visual-p 'article-highlight 'highlight)
5843 (gnus-article-highlight-some)))
5845 (defun gnus-check-group-server ()
5846 ;; Make sure the connection to the server is alive.
5847 (unless (gnus-server-opened
5848 (gnus-find-method-for-group gnus-newsgroup-name))
5849 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
5850 (gnus-request-group gnus-newsgroup-name t)))
5852 (eval-when-compile
5853 (autoload 'nneething-get-file-name "nneething"))
5855 (defun gnus-request-article-this-buffer (article group)
5856 "Get an article and insert it into this buffer."
5857 (let (do-update-line sparse-header)
5858 (prog1
5859 (save-excursion
5860 (erase-buffer)
5861 (gnus-kill-all-overlays)
5862 (setq group (or group gnus-newsgroup-name))
5864 ;; Using `gnus-request-article' directly will insert the article into
5865 ;; `nntp-server-buffer' - so we'll save some time by not having to
5866 ;; copy it from the server buffer into the article buffer.
5868 ;; We only request an article by message-id when we do not have the
5869 ;; headers for it, so we'll have to get those.
5870 (when (stringp article)
5871 (gnus-read-header article))
5873 ;; If the article number is negative, that means that this article
5874 ;; doesn't belong in this newsgroup (possibly), so we find its
5875 ;; message-id and request it by id instead of number.
5876 (when (and (numberp article)
5877 gnus-summary-buffer
5878 (get-buffer gnus-summary-buffer)
5879 (gnus-buffer-exists-p gnus-summary-buffer))
5880 (save-excursion
5881 (set-buffer gnus-summary-buffer)
5882 (let ((header (gnus-summary-article-header article)))
5883 (when (< article 0)
5884 (cond
5885 ((memq article gnus-newsgroup-sparse)
5886 ;; This is a sparse gap article.
5887 (setq do-update-line article)
5888 (setq article (mail-header-id header))
5889 (setq sparse-header (gnus-read-header article))
5890 (setq gnus-newsgroup-sparse
5891 (delq article gnus-newsgroup-sparse)))
5892 ((vectorp header)
5893 ;; It's a real article.
5894 (setq article (mail-header-id header)))
5895 (t
5896 ;; It is an extracted pseudo-article.
5897 (setq article 'pseudo)
5898 (gnus-request-pseudo-article header))))
5900 (let ((method (gnus-find-method-for-group
5901 gnus-newsgroup-name)))
5902 (when (and (eq (car method) 'nneething)
5903 (vectorp header))
5904 (let ((dir (nneething-get-file-name
5905 (mail-header-id header))))
5906 (when (and (stringp dir)
5907 (file-directory-p dir))
5908 (setq article 'nneething)
5909 (gnus-group-enter-directory dir))))))))
5911 (cond
5912 ;; Refuse to select canceled articles.
5913 ((and (numberp article)
5914 gnus-summary-buffer
5915 (get-buffer gnus-summary-buffer)
5916 (gnus-buffer-exists-p gnus-summary-buffer)
5917 (eq (cdr (with-current-buffer gnus-summary-buffer
5918 (assq article gnus-newsgroup-reads)))
5919 gnus-canceled-mark))
5920 nil)
5921 ;; We first check `gnus-original-article-buffer'.
5922 ((and (get-buffer gnus-original-article-buffer)
5923 (numberp article)
5924 (with-current-buffer gnus-original-article-buffer
5925 (and (equal (car gnus-original-article) group)
5926 (eq (cdr gnus-original-article) article))))
5927 (insert-buffer-substring gnus-original-article-buffer)
5928 'article)
5929 ;; Check the backlog.
5930 ((and gnus-keep-backlog
5931 (gnus-backlog-request-article group article (current-buffer)))
5932 'article)
5933 ;; Check asynchronous pre-fetch.
5934 ((gnus-async-request-fetched-article group article (current-buffer))
5935 (gnus-async-prefetch-next group article gnus-summary-buffer)
5936 (when (and (numberp article) gnus-keep-backlog)
5937 (gnus-backlog-enter-article group article (current-buffer)))
5938 'article)
5939 ;; Check the cache.
5940 ((and gnus-use-cache
5941 (numberp article)
5942 (gnus-cache-request-article article group))
5943 'article)
5944 ;; Check the agent cache.
5945 ((gnus-agent-request-article article group)
5946 'article)
5947 ;; Get the article and put into the article buffer.
5948 ((or (stringp article)
5949 (numberp article))
5950 (let ((gnus-override-method gnus-override-method)
5951 (methods (and (stringp article)
5952 gnus-refer-article-method))
5953 (backend (car (gnus-find-method-for-group
5954 gnus-newsgroup-name)))
5955 result
5956 (inhibit-read-only t))
5957 (if (or (not (listp methods))
5958 (and (symbolp (car methods))
5959 (assq (car methods) nnoo-definition-alist)))
5960 (setq methods (list methods)))
5961 (when (and (null gnus-override-method)
5962 methods)
5963 (setq gnus-override-method (pop methods)))
5964 (while (not result)
5965 (when (eq gnus-override-method 'current)
5966 (setq gnus-override-method
5967 (with-current-buffer gnus-summary-buffer
5968 gnus-current-select-method)))
5969 (erase-buffer)
5970 (gnus-kill-all-overlays)
5971 (let ((gnus-newsgroup-name group))
5972 (gnus-check-group-server))
5973 (cond
5974 ((gnus-request-article article group (current-buffer))
5975 (when (numberp article)
5976 (gnus-async-prefetch-next group article
5977 gnus-summary-buffer)
5978 (when gnus-keep-backlog
5979 (gnus-backlog-enter-article
5980 group article (current-buffer))))
5981 (setq result 'article))
5982 (methods
5983 (setq gnus-override-method (pop methods)))
5984 ((not (string-match "^400 "
5985 (nnheader-get-report backend)))
5986 ;; If we get 400 server disconnect, reconnect and
5987 ;; retry; otherwise, assume the article has expired.
5988 (setq result 'done))))
5989 (and (eq result 'article) 'article)))
5990 ;; It was a pseudo.
5991 (t article)))
5993 ;; Associate this article with the current summary buffer.
5994 (setq gnus-article-current-summary gnus-summary-buffer)
5996 ;; Take the article from the original article buffer
5997 ;; and place it in the buffer it's supposed to be in.
5998 (when (and (get-buffer gnus-article-buffer)
5999 (equal (buffer-name (current-buffer))
6000 (buffer-name (get-buffer gnus-article-buffer))))
6001 (save-excursion
6002 (if (get-buffer gnus-original-article-buffer)
6003 (set-buffer gnus-original-article-buffer)
6004 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
6005 (buffer-disable-undo)
6006 (setq major-mode 'gnus-original-article-mode)
6007 (setq buffer-read-only t))
6008 (let ((inhibit-read-only t))
6009 (erase-buffer)
6010 (insert-buffer-substring gnus-article-buffer))
6011 (setq gnus-original-article (cons group article)))
6013 ;; Decode charsets.
6014 (run-hooks 'gnus-article-decode-hook)
6015 ;; Mark article as decoded or not.
6016 (setq gnus-article-decoded-p gnus-article-decode-hook))
6018 ;; Update sparse articles.
6019 (when (and do-update-line
6020 (or (numberp article)
6021 (stringp article)))
6022 (let ((buf (current-buffer)))
6023 (set-buffer gnus-summary-buffer)
6024 (gnus-summary-update-article do-update-line sparse-header)
6025 (gnus-summary-goto-subject do-update-line nil t)
6026 (set-window-point (gnus-get-buffer-window (current-buffer) t)
6027 (point))
6028 (set-buffer buf))))))
6030 ;;;
6031 ;;; Article editing
6032 ;;;
6034 (defcustom gnus-article-edit-mode-hook nil
6035 "Hook run in article edit mode buffers."
6036 :group 'gnus-article-various
6037 :type 'hook)
6039 (defvar gnus-article-edit-done-function nil)
6041 (defvar gnus-article-edit-mode-map nil)
6043 ;; Should we be using derived.el for this?
6044 (unless gnus-article-edit-mode-map
6045 (setq gnus-article-edit-mode-map (make-keymap))
6046 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
6048 (gnus-define-keys gnus-article-edit-mode-map
6049 "\C-c?" describe-mode
6050 "\C-c\C-c" gnus-article-edit-done
6051 "\C-c\C-k" gnus-article-edit-exit
6052 "\C-c\C-f\C-t" message-goto-to
6053 "\C-c\C-f\C-o" message-goto-from
6054 "\C-c\C-f\C-b" message-goto-bcc
6055 ;;"\C-c\C-f\C-w" message-goto-fcc
6056 "\C-c\C-f\C-c" message-goto-cc
6057 "\C-c\C-f\C-s" message-goto-subject
6058 "\C-c\C-f\C-r" message-goto-reply-to
6059 "\C-c\C-f\C-n" message-goto-newsgroups
6060 "\C-c\C-f\C-d" message-goto-distribution
6061 "\C-c\C-f\C-f" message-goto-followup-to
6062 "\C-c\C-f\C-m" message-goto-mail-followup-to
6063 "\C-c\C-f\C-k" message-goto-keywords
6064 "\C-c\C-f\C-u" message-goto-summary
6065 "\C-c\C-f\C-i" message-insert-or-toggle-importance
6066 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
6067 "\C-c\C-b" message-goto-body
6068 "\C-c\C-i" message-goto-signature
6070 "\C-c\C-t" message-insert-to
6071 "\C-c\C-n" message-insert-newsgroups
6072 "\C-c\C-o" message-sort-headers
6073 "\C-c\C-e" message-elide-region
6074 "\C-c\C-v" message-delete-not-region
6075 "\C-c\C-z" message-kill-to-signature
6077 "\C-c\C-a" mml-attach-file
6078 "\C-a" message-beginning-of-line
6080 "\M-;" comment-region)
6082 (gnus-define-keys (gnus-article-edit-wash-map
6083 "\C-c\C-w" gnus-article-edit-mode-map)
6084 "f" gnus-article-edit-full-stops))
6086 (easy-menu-define
6087 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
6088 '("Field"
6089 ["Fetch To" message-insert-to t]
6090 ["Fetch Newsgroups" message-insert-newsgroups t]
6091 "----"
6092 ["To" message-goto-to t]
6093 ["From" message-goto-from t]
6094 ["Subject" message-goto-subject t]
6095 ["Cc" message-goto-cc t]
6096 ["Reply-To" message-goto-reply-to t]
6097 ["Summary" message-goto-summary t]
6098 ["Keywords" message-goto-keywords t]
6099 ["Newsgroups" message-goto-newsgroups t]
6100 ["Followup-To" message-goto-followup-to t]
6101 ["Mail-Followup-To" message-goto-mail-followup-to t]
6102 ["Distribution" message-goto-distribution t]
6103 ["Body" message-goto-body t]
6104 ["Signature" message-goto-signature t]))
6106 (define-derived-mode gnus-article-edit-mode message-mode "Article Edit"
6107 "Major mode for editing articles.
6108 This is an extended text-mode.
6111 (make-local-variable 'gnus-article-edit-done-function)
6112 (make-local-variable 'gnus-prev-winconf)
6113 (set (make-local-variable 'font-lock-defaults)
6114 '(message-font-lock-keywords t))
6115 (set (make-local-variable 'mail-header-separator) "")
6116 (set (make-local-variable 'gnus-article-edit-mode) t)
6117 (easy-menu-add message-mode-field-menu message-mode-map)
6118 (mml-mode)
6119 (setq buffer-read-only nil)
6120 (buffer-enable-undo)
6121 (widen))
6123 (defun gnus-article-edit (&optional force)
6124 "Edit the current article.
6125 This will have permanent effect only in mail groups.
6126 If FORCE is non-nil, allow editing of articles even in read-only
6127 groups."
6128 (interactive "P")
6129 (when (and (not force)
6130 (gnus-group-read-only-p))
6131 (error "The current newsgroup does not support article editing"))
6132 (gnus-article-date-original)
6133 (gnus-article-edit-article
6134 'ignore
6135 `(lambda (no-highlight)
6136 'ignore
6137 (gnus-summary-edit-article-done
6138 ,(or (mail-header-references gnus-current-headers) "")
6139 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
6141 (defun gnus-article-edit-article (start-func exit-func &optional quiet)
6142 "Start editing the contents of the current article buffer."
6143 (let ((winconf (current-window-configuration)))
6144 (set-buffer gnus-article-buffer)
6145 (let ((message-auto-save-directory
6146 ;; Don't associate the article buffer with a draft file.
6147 nil))
6148 (gnus-article-edit-mode))
6149 (funcall start-func)
6150 (set-buffer-modified-p nil)
6151 (gnus-configure-windows 'edit-article)
6152 (setq gnus-article-edit-done-function exit-func)
6153 (setq gnus-prev-winconf winconf)
6154 (unless quiet
6155 (gnus-message 6 "C-c C-c to end edits"))))
6157 (defun gnus-article-edit-done (&optional arg)
6158 "Update the article edits and exit."
6159 (interactive "P")
6160 (let ((func gnus-article-edit-done-function)
6161 (buf (current-buffer))
6162 (start (window-start))
6163 (p (point))
6164 (winconf gnus-prev-winconf))
6165 (widen) ;; Widen it in case that users narrowed the buffer.
6166 (funcall func arg)
6167 (set-buffer buf)
6168 ;; The cache and backlog have to be flushed somewhat.
6169 (when gnus-keep-backlog
6170 (gnus-backlog-remove-article
6171 (car gnus-article-current) (cdr gnus-article-current)))
6172 ;; Flush original article as well.
6173 (save-excursion
6174 (when (get-buffer gnus-original-article-buffer)
6175 (set-buffer gnus-original-article-buffer)
6176 (setq gnus-original-article nil)))
6177 (when gnus-use-cache
6178 (gnus-cache-update-article
6179 (car gnus-article-current) (cdr gnus-article-current)))
6180 ;; We remove all text props from the article buffer.
6181 (kill-all-local-variables)
6182 (set-text-properties (point-min) (point-max) nil)
6183 (gnus-article-mode)
6184 (set-window-configuration winconf)
6185 (set-buffer buf)
6186 (set-window-start (get-buffer-window buf) start)
6187 (set-window-point (get-buffer-window buf) (point)))
6188 (gnus-summary-show-article))
6190 (defun gnus-article-edit-exit ()
6191 "Exit the article editing without updating."
6192 (interactive)
6193 (when (or (not (buffer-modified-p))
6194 (yes-or-no-p "Article modified; kill anyway? "))
6195 (let ((curbuf (current-buffer))
6196 (p (point))
6197 (window-start (window-start)))
6198 (erase-buffer)
6199 (if (gnus-buffer-live-p gnus-original-article-buffer)
6200 (insert-buffer-substring gnus-original-article-buffer))
6201 (let ((winconf gnus-prev-winconf))
6202 (kill-all-local-variables)
6203 (gnus-article-mode)
6204 (set-window-configuration winconf)
6205 ;; Tippy-toe some to make sure that point remains where it was.
6206 (save-current-buffer
6207 (set-buffer curbuf)
6208 (set-window-start (get-buffer-window (current-buffer)) window-start)
6209 (goto-char p))))
6210 (gnus-summary-show-article)))
6212 (defun gnus-article-edit-full-stops ()
6213 "Interactively repair spacing at end of sentences."
6214 (interactive)
6215 (save-excursion
6216 (goto-char (point-min))
6217 (search-forward-regexp "^$" nil t)
6218 (let ((case-fold-search nil))
6221 ;;;
6222 ;;; Article highlights
6223 ;;;
6225 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
6227 ;;; Internal Variables:
6229 (defcustom gnus-button-url-regexp
6230 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
6231 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)"
6232 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)\\)")
6233 "Regular expression that matches URLs."
6234 :group 'gnus-article-buttons
6235 :type 'regexp)
6237 (defcustom gnus-button-valid-fqdn-regexp
6238 message-valid-fqdn-regexp
6239 "Regular expression that matches a valid FQDN."
6240 :version "22.1"
6241 :group 'gnus-article-buttons
6242 :type 'regexp)
6244 ;; Regexp suggested by Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
6245 (defcustom gnus-button-valid-localpart-regexp
6247 "Regular expression that matches a localpart of mail addresses or MIDs."
6248 :version "22.1"
6249 :group 'gnus-article-buttons
6250 :type 'regexp)
6252 (defcustom gnus-button-man-handler 'manual-entry
6253 "Function to use for displaying man pages.
6254 The function must take at least one argument with a string naming the
6255 man page."
6256 :version "22.1"
6257 :type '(choice (function-item :tag "Man" manual-entry)
6258 (function-item :tag "Woman" woman)
6259 (function :tag "Other"))
6260 :group 'gnus-article-buttons)
6262 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
6263 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
6264 If the default site is too slow, try to find a CTAN mirror, see
6265 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
6266 the variable `gnus-button-handle-ctan'."
6267 :version "22.1"
6268 :group 'gnus-article-buttons
6269 :link '(custom-manual "(gnus)Group Parameters")
6270 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
6271 (const "http://tug.ctan.org/tex-archive/")
6272 (const "http://www.dante.de/CTAN/")
6273 (string :tag "Other")))
6275 (defcustom gnus-button-ctan-handler 'browse-url
6276 "Function to use for displaying CTAN links.
6277 The function must take one argument, the string naming the URL."
6278 :version "22.1"
6279 :type '(choice (function-item :tag "Browse Url" browse-url)
6280 (function :tag "Other"))
6281 :group 'gnus-article-buttons)
6284 "Bogus strings removed from CTAN URLs."
6285 :version "22.1"
6286 :group 'gnus-article-buttons
6288 (regexp :tag "Other")))
6290 (defcustom gnus-button-ctan-directory-regexp
6291 (regexp-opt
6292 (list "archive-tools" "biblio" "bibliography" "digests" "documentation"
6293 "dviware" "fonts" "graphics" "help" "indexing" "info" "language"
6294 "languages" "macros" "nonfree" "obsolete" "support" "systems"
6295 "tds" "tools" "usergrps" "web") t)
6296 "Regular expression for ctan directories.
6297 It should match all directories in the top level of `gnus-ctan-url'."
6298 :version "22.1"
6299 :group 'gnus-article-buttons
6300 :type 'regexp)
6302 (defcustom gnus-button-mid-or-mail-regexp
6304 gnus-button-valid-fqdn-regexp
6306 "Regular expression that matches a message ID or a mail address."
6307 :version "22.1"
6308 :group 'gnus-article-buttons
6309 :type 'regexp)
6311 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
6313 Strings like this can be either a message ID or a mail address. If it is one
6314 of the symbols `mid' or `mail', Gnus will always assume that the string is a
6315 message ID or a mail address, respectively. If this variable is set to the
6316 symbol `ask', always query the user what do do. If it is a function, this
6317 function will be called with the string as it's only argument. The function
6318 must return `mid', `mail', `invalid' or `ask'."
6319 :version "22.1"
6320 :group 'gnus-article-buttons
6321 :type '(choice (function-item :tag "Heuristic function"
6322 gnus-button-mid-or-mail-heuristic)
6323 (const ask)
6324 (const mid)
6325 (const mail)))
6327 (defcustom gnus-button-mid-or-mail-heuristic-alist
6329 (-10.0 . "#")
6332 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
6333 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
6334 (-1.0 . "^[^a-z]+@")
6335 ;;
6337 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
6338 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
6340 ;;
6341 (-2.0 . "^[0-9]")
6342 (-1.0 . "^[0-9][0-9]")
6343 ;;
6344 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
6345 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6346 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
6347 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6348 ;;
6349 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
6350 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
6351 ;; "[0-9]{8,}.*\@"
6352 (-3.0
6353 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
6354 ;; "[0-9]{12,}.*\@"
6355 ;; compensation for TDMA dated mail addresses:
6356 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
6357 ;;
6359 (-20.0 . "^slrn")
6360 (-20.0 . "^Pine")
6361 (-20.0 . "_-_") ;; Subject change in thread
6362 ;;
6366 ;;
6367 ;; (5.0 . "") ;; $local_part_len <= 7
6368 (10.0 . "^[^0-9]+@")
6369 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
6370 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
6371 (3.0 . "\@stud")
6372 ;;
6373 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
6374 ;;
6375 (0.5 . "^[A-Z][a-z]")
6376 (0.5 . "^[A-Z][a-z][a-z]")
6377 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
6378 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
6379 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
6381 A negative RATE indicates a message IDs, whereas a positive indicates a mail
6382 address. The REGEXP is processed with `case-fold-search' set to nil."
6383 :version "22.1"
6384 :group 'gnus-article-buttons
6385 :type '(repeat (cons (number :tag "Rate")
6386 (regexp :tag "Regexp"))))
6388 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
6389 "Guess whether MID-OR-MAIL is a message ID or a mail address.
6390 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
6391 address, `ask' if unsure and `invalid' if the string is invalid."
6392 (let ((case-fold-search nil)
6393 (list gnus-button-mid-or-mail-heuristic-alist)
6394 (result 0) rate regexp lpartlen elem)
6395 (setq lpartlen
6397 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
6398 ;; Certain special cases...
6399 (when (string-match
6400 (concat
6404 mid-or-mail)
6405 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
6406 (setq result 'mail))
6408 (gnus-message 8 "`%s' is invalid." mid-or-mail)
6409 (setq result 'invalid))
6410 ;; Nothing more to do, if result is not a number here...
6411 (when (numberp result)
6412 (while list
6413 (setq elem (car list)
6414 rate (car elem)
6415 regexp (cdr elem)
6416 list (cdr list))
6417 (when (string-match regexp mid-or-mail)
6418 (setq result (+ result rate))
6419 (gnus-message
6420 9 "`%s' matched `%s', rate `%s', result `%s'."
6421 mid-or-mail regexp rate result)))
6422 (when (<= lpartlen 7)
6423 (setq result (+ result 5.0))
6424 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
6425 mid-or-mail result))
6426 (when (>= lpartlen 12)
6427 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
6428 (cond
6429 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
6430 ;; Long local part should contain realname if e-mail address,
6431 ;; too many digits: message-id.
6432 ;; $score -= 5.0 + 0.1 * $local_part_len;
6433 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
6434 (setq result (+ result rate))
6435 (gnus-message
6436 9 "Many digits in `%s', rate `%s', result `%s'."
6437 mid-or-mail rate result))
6438 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
6439 mid-or-mail)
6440 ;; Too few vowels [^aeiouy]{4,}.*\@
6441 (setq result (+ result -5.0))
6442 (gnus-message
6443 9 "Few vowels in `%s', rate `%s', result `%s'."
6444 mid-or-mail -5.0 result))
6445 (t
6446 (setq result (+ result 5.0))
6447 (gnus-message
6448 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
6449 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
6450 ;; Maybe we should make this a customizable alist: (condition . 'result)
6451 (cond
6452 ((symbolp result) result)
6453 ;; Now convert number into proper results:
6454 ((< result -10.0) 'mid)
6455 ((> result 10.0) 'mail)
6456 (t 'ask))))
6458 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
6459 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
6460 (url-mid (concat "news" ":" mid-or-mail))
6461 (url-mailto (concat "mailto" ":" mid-or-mail)))
6462 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
6463 (when (fboundp pref)
6464 (setq guessed
6465 ;; get rid of surrounding angles...
6466 (funcall pref
6468 (if (or (eq 'mid guessed) (eq 'mail guessed))
6469 (setq pref guessed)
6470 (setq pref 'ask)))
6471 (if (eq pref 'ask)
6472 (save-window-excursion
6473 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
6474 (setq pref 'mail)
6475 (setq pref 'mid))))
6476 (cond ((eq pref 'mid)
6477 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
6478 (gnus-button-handle-news url-mid))
6479 ((eq pref 'mail)
6480 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
6481 (gnus-url-mailto url-mailto))
6482 (t (gnus-message 3 "Invalid string.")))))
6484 (defun gnus-button-handle-custom (fun arg)
6485 "Call function FUN on argument ARG.
6486 Both FUN and ARG are supposed to be strings. ARG will be passed
6487 as a symbol to FUN."
6488 (funcall (intern fun) (intern arg)))
6492 ;; FIXME: Maybe we should merge some of the functions that do quite similar
6493 ;; stuff?
6495 (defun gnus-button-handle-describe-function (url)
6496 "Call `describe-function' when pushing the corresponding URL button."
6497 (describe-function
6498 (intern
6499 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6501 (defun gnus-button-handle-describe-variable (url)
6502 "Call `describe-variable' when pushing the corresponding URL button."
6503 (describe-variable
6504 (intern
6505 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6507 (defun gnus-button-handle-symbol (url)
6508 "Display help on variable or function.
6509 Calls `describe-variable' or `describe-function'."
6510 (let ((sym (intern url)))
6511 (cond
6512 ((fboundp sym) (describe-function sym))
6513 ((boundp sym) (describe-variable sym))
6514 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
6516 (defun gnus-button-handle-describe-key (url)
6517 "Call `describe-key' when pushing the corresponding URL button."
6518 (let* ((key-string
6519 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
6520 (keys (ignore-errors (eval `(kbd ,key-string)))))
6521 (if keys
6522 (describe-key keys)
6523 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
6525 (defun gnus-button-handle-apropos (url)
6526 "Call `apropos' when pushing the corresponding URL button."
6527 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6529 (defun gnus-button-handle-apropos-command (url)
6530 "Call `apropos' when pushing the corresponding URL button."
6531 (apropos-command
6532 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6534 (defun gnus-button-handle-apropos-variable (url)
6535 "Call `apropos' when pushing the corresponding URL button."
6536 (funcall
6537 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
6538 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6540 (defun gnus-button-handle-apropos-documentation (url)
6541 "Call `apropos' when pushing the corresponding URL button."
6542 (funcall
6543 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
6544 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6546 (defun gnus-button-handle-library (url)
6547 "Call `locate-library' when pushing the corresponding URL button."
6548 (gnus-message 9 "url=`%s'" url)
6549 (let* ((lib (locate-library url))
6550 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
6551 (if (not lib)
6552 (gnus-message 1 "Cannot locale library `%s'." url)
6553 (find-file-read-only file))))
6555 (defun gnus-button-handle-ctan (url)
6556 "Call `browse-url' when pushing a CTAN URL button."
6557 (funcall
6558 gnus-button-ctan-handler
6559 (concat
6560 gnus-ctan-url
6561 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
6563 (defcustom gnus-button-tex-level 5
6564 "*Integer that says how many TeX-related buttons Gnus will show.
6565 The higher the number, the more buttons will appear and the more false
6566 positives are possible. Note that you can set this variable local to
6567 specific groups. Setting it higher in TeX groups is probably a good idea.
6568 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6569 how to set variables in specific groups."
6570 :version "22.1"
6571 :group 'gnus-article-buttons
6572 :link '(custom-manual "(gnus)Group Parameters")
6573 :type 'integer)
6575 (defcustom gnus-button-man-level 5
6576 "*Integer that says how many man-related buttons Gnus will show.
6577 The higher the number, the more buttons will appear and the more false
6578 positives are possible. Note that you can set this variable local to
6579 specific groups. Setting it higher in Unix groups is probably a good idea.
6580 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6581 how to set variables in specific groups."
6582 :version "22.1"
6583 :group 'gnus-article-buttons
6584 :link '(custom-manual "(gnus)Group Parameters")
6585 :type 'integer)
6587 (defcustom gnus-button-emacs-level 5
6588 "*Integer that says how many emacs-related buttons Gnus will show.
6589 The higher the number, the more buttons will appear and the more false
6590 positives are possible. Note that you can set this variable local to
6591 specific groups. Setting it higher in Emacs or Gnus related groups is
6592 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
6593 `gnus-parameters' on how to set variables in specific groups."
6594 :version "22.1"
6595 :group 'gnus-article-buttons
6596 :link '(custom-manual "(gnus)Group Parameters")
6597 :type 'integer)
6599 (defcustom gnus-button-message-level 5
6600 "*Integer that says how many buttons for news or mail messages will appear.
6601 The higher the number, the more buttons will appear and the more false
6602 positives are possible."
6603 ;; mail addresses, MIDs, URLs for news, ...
6604 :version "22.1"
6605 :group 'gnus-article-buttons
6606 :type 'integer)
6608 (defcustom gnus-button-browse-level 5
6609 "*Integer that says how many buttons for browsing will appear.
6610 The higher the number, the more buttons will appear and the more false
6611 positives are possible."
6612 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
6613 :version "22.1"
6614 :group 'gnus-article-buttons
6615 :type 'integer)
6617 (defcustom gnus-button-alist
6619 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
6622 0 t gnus-button-handle-news 2)
6624 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
6626 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
6627 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
6629 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
6631 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
6633 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
6634 ;; RFC 2368 (The mailto URL scheme)
6636 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6638 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6639 ;; CTAN
6641 gnus-button-ctan-directory-regexp
6643 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
6645 gnus-button-ctan-directory-regexp
6647 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
6648 ((concat
6650 gnus-button-ctan-directory-regexp
6652 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
6653 ;; This is info (home-grown style) <info://foo/bar+baz>
6655 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
6656 ;; Info GNOME style <info:foo#bar_baz>
6658 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
6659 ;; Info KDE style <info:(foo)bar baz>
6661 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
6663 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
6665 ;; Info links like `C-h i d m CC Mode RET'
6666 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 2)
6667 ;; This is custom
6669 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1 2)
6670 ;; Emacs help commands
6672 ;; regexp doesn't match arguments containing ` '.
6673 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
6675 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
6677 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
6679 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
6680 ;; The following entries may lead to many false positives so don't enable
6681 ;; them by default (use a high button level).
6683 ;; Exclude [.?] for URLs in gmane.emacs.cvs
6684 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6686 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6688 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
6690 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
6692 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
6694 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
6696 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
6698 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
6700 ;; Unlike the other regexps we really have to require quoting
6701 ;; here to determine where it ends.
6702 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
6703 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
6705 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6706 ;; RFC 2396 (2.4.3., delims) ...
6708 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6709 ;; RFC 2396 (2.4.3., delims) ...
6711 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6712 ;; Raw URLs.
6713 (gnus-button-url-regexp
6714 0 (>= gnus-button-browse-level 0) browse-url 0)
6715 ;; man pages
6717 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
6718 gnus-button-handle-man 1)
6719 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
6721 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
6722 gnus-button-handle-man 1)
6723 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
6724 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
6726 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
6727 ;; Recognizing patches to .el files. This is somewhat obscure,
6728 ;; but considering the percentage of Gnus users who hack Emacs
6729 ;; Lisp files...
6731 (>= gnus-button-message-level 4) gnus-button-patch 1 2)
6732 ;; MID or mail: To avoid too many false positives we don't try to catch
6733 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
6734 ;; at least one dot. TLD must contain two or three chars or be a know TLD
6735 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
6736 ;; so that non-ambiguous entries (see above) match first.
6737 (gnus-button-mid-or-mail-regexp
6738 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
6739 "*Alist of regexps matching buttons in article bodies.
6741 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
6742 REGEXP: is the string (case insensitive) matching text around the button (can
6743 also be Lisp expression evaluating to a string),
6744 BUTTON: is the number of the regexp grouping actually matching the button,
6745 FORM: is a Lisp expression which must eval to true for the button to
6746 be added,
6747 CALLBACK: is the function to call when the user push this button, and each
6748 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
6750 CALLBACK can also be a variable, in that case the value of that
6751 variable it the real callback function."
6752 :group 'gnus-article-buttons
6753 :type '(repeat (list (choice regexp variable sexp)
6754 (integer :tag "Button")
6755 (sexp :tag "Form")
6756 (function :tag "Callback")
6757 (repeat :tag "Par"
6758 :inline t
6759 (integer :tag "Regexp group")))))
6761 (defcustom gnus-header-button-alist
6763 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
6765 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
6767 0 (>= gnus-button-message-level 0) gnus-msg-mail 0)
6768 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
6769 0 (>= gnus-button-browse-level 0) browse-url 0)
6770 ("^Subject:" gnus-button-url-regexp
6771 0 (>= gnus-button-browse-level 0) browse-url 0)
6772 ("^[^:]+:" gnus-button-url-regexp
6773 0 (>= gnus-button-browse-level 0) browse-url 0)
6774 ("^OpenPGP:.*url=" gnus-button-url-regexp
6775 0 (>= gnus-button-browse-level 0) gnus-button-openpgp 0)
6777 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6779 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
6780 "*Alist of headers and regexps to match buttons in article heads.
6782 This alist is very similar to `gnus-button-alist', except that each
6783 alist has an additional HEADER element first in each entry:
6785 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
6787 HEADER is a regexp to match a header. For a fuller explanation, see
6788 `gnus-button-alist'."
6789 :group 'gnus-article-buttons
6790 :group 'gnus-article-headers
6791 :type '(repeat (list (regexp :tag "Header")
6792 (choice regexp variable)
6793 (integer :tag "Button")
6794 (sexp :tag "Form")
6795 (function :tag "Callback")
6796 (repeat :tag "Par"
6797 :inline t
6798 (integer :tag "Regexp group")))))
6800 ;;; Commands:
6802 (defun gnus-article-push-button (event)
6803 "Check text under the mouse pointer for a callback function.
6804 If the text under the mouse pointer has a `gnus-callback' property,
6805 call it with the value of the `gnus-data' text property."
6806 (interactive "e")
6807 (set-buffer (window-buffer (posn-window (event-start event))))
6808 (let* ((pos (posn-point (event-start event)))
6809 (data (get-text-property pos 'gnus-data))
6810 (fun (get-text-property pos 'gnus-callback)))
6811 (goto-char pos)
6812 (when fun
6813 (funcall fun data))))
6815 (defun gnus-article-press-button ()
6816 "Check text at point for a callback function.
6817 If the text at point has a `gnus-callback' property,
6818 call it with the value of the `gnus-data' text property."
6819 (interactive)
6820 (let ((data (get-text-property (point) 'gnus-data))
6821 (fun (get-text-property (point) 'gnus-callback)))
6822 (when fun
6823 (funcall fun data))))
6825 (defun gnus-article-highlight (&optional force)
6826 "Highlight current article.
6827 This function calls `gnus-article-highlight-headers',
6828 `gnus-article-highlight-citation',
6829 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6830 do the highlighting. See the documentation for those functions."
6831 (interactive (list 'force))
6832 (gnus-article-highlight-headers)
6833 (gnus-article-highlight-citation force)
6834 (gnus-article-highlight-signature)
6835 (gnus-article-add-buttons force)
6836 (gnus-article-add-buttons-to-head))
6838 (defun gnus-article-highlight-some (&optional force)
6839 "Highlight current article.
6840 This function calls `gnus-article-highlight-headers',
6841 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6842 do the highlighting. See the documentation for those functions."
6843 (interactive (list 'force))
6844 (gnus-article-highlight-headers)
6845 (gnus-article-highlight-signature)
6846 (gnus-article-add-buttons))
6848 (defun gnus-article-highlight-headers ()
6849 "Highlight article headers as specified by `gnus-header-face-alist'."
6850 (interactive)
6851 (gnus-with-article-headers
6852 (let (regexp header-face field-face from hpoints fpoints)
6853 (dolist (entry gnus-header-face-alist)
6854 (goto-char (point-min))
6856 (if (string-equal "" (nth 0 entry))
6858 (nth 0 entry))
6860 header-face (nth 1 entry)
6861 field-face (nth 2 entry))
6862 (while (and (re-search-forward regexp nil t)
6863 (not (eobp)))
6864 (beginning-of-line)
6865 (setq from (point))
6866 (unless (search-forward ":" nil t)
6867 (forward-char 1))
6868 (when (and header-face
6869 (not (memq (point) hpoints)))
6870 (push (point) hpoints)
6871 (gnus-put-text-property from (point) 'face header-face))
6872 (when (and field-face
6873 (not (memq (setq from (point)) fpoints)))
6874 (push from fpoints)
6876 (forward-char -2)
6877 (goto-char (point-max)))
6878 (gnus-put-text-property from (point) 'face field-face)))))))
6880 (defun gnus-article-highlight-signature ()
6881 "Highlight the signature in an article.
6882 It does this by highlighting everything after
6883 `gnus-signature-separator' using the face `gnus-signature'."
6884 (interactive)
6885 (gnus-with-article-buffer
6886 (let ((inhibit-point-motion-hooks t))
6887 (save-restriction
6888 (when (and gnus-signature-face
6889 (gnus-article-narrow-to-signature))
6890 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
6891 'face gnus-signature-face)
6892 (widen)
6893 (gnus-article-search-signature)
6894 (let ((start (match-beginning 0))
6895 (end (set-marker (make-marker) (1+ (match-end 0)))))
6896 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
6897 end)))))))
6899 (defun gnus-button-in-region-p (b e prop)
6900 "Say whether PROP exists in the region."
6901 (text-property-not-all b e prop nil))
6903 (defun gnus-article-add-buttons (&optional force)
6904 "Find external references in the article and make buttons of them.
6906 specified by `gnus-button-alist'."
6907 (interactive (list 'force))
6908 (gnus-with-article-buffer
6909 (let ((inhibit-point-motion-hooks t)
6910 (case-fold-search t)
6911 (alist gnus-button-alist)
6912 beg entry regexp)
6913 ;; Remove all old markers.
6914 (let (marker entry new-list)
6915 (while (setq marker (pop gnus-button-marker-list))
6916 (if (or (< marker (point-min)) (>= marker (point-max)))
6917 (push marker new-list)
6918 (goto-char marker)
6919 (when (setq entry (gnus-button-entry))
6920 (put-text-property (match-beginning (nth 1 entry))
6921 (match-end (nth 1 entry))
6922 'gnus-callback nil))
6923 (set-marker marker nil)))
6924 (setq gnus-button-marker-list new-list))
6925 ;; We skip the headers.
6926 (article-goto-body)
6927 (setq beg (point))
6928 (while (setq entry (pop alist))
6929 (setq regexp (eval (car entry)))
6930 (goto-char beg)
6931 (while (re-search-forward regexp nil t)
6932 (let* ((start (and entry (match-beginning (nth 1 entry))))
6933 (end (and entry (match-end (nth 1 entry))))
6934 (from (match-beginning 0)))
6935 (when (and (or (eq t (nth 2 entry))
6936 (eval (nth 2 entry)))
6937 (not (gnus-button-in-region-p
6938 start end 'gnus-callback)))
6939 ;; That optional form returned non-nil, so we add the
6940 ;; button.
6941 (gnus-article-add-button
6942 start end 'gnus-button-push
6943 (car (push (set-marker (make-marker) from)
6944 gnus-button-marker-list))))))))))
6946 ;; Add buttons to the head of an article.
6947 (defun gnus-article-add-buttons-to-head ()
6948 "Add buttons to the head of the article."
6949 (interactive)
6950 (gnus-with-article-headers
6951 (let (beg end)
6952 (dolist (entry gnus-header-button-alist)
6953 ;; Each alist entry.
6954 (goto-char (point-min))
6955 (while (re-search-forward (car entry) nil t)
6956 ;; Each header matching the entry.
6957 (setq beg (match-beginning 0))
6959 (match-beginning 0))
6960 (point-max)))
6961 (goto-char beg)
6962 (while (re-search-forward (eval (nth 1 entry)) end t)
6963 ;; Each match within a header.
6964 (let* ((entry (cdr entry))
6965 (start (match-beginning (nth 1 entry)))
6966 (end (match-end (nth 1 entry)))
6967 (form (nth 2 entry)))
6968 (goto-char (match-end 0))
6969 (when (eval form)
6970 (gnus-article-add-button
6971 start end (nth 3 entry)
6972 (buffer-substring (match-beginning (nth 4 entry))
6973 (match-end (nth 4 entry)))))))
6974 (goto-char end))))))
6976 ;;; External functions:
6978 (defun gnus-article-add-button (from to fun &optional data)
6979 "Create a button between FROM and TO with callback FUN and data DATA."
6980 (when gnus-article-button-face
6981 (gnus-overlay-put (gnus-make-overlay from to)
6982 'face gnus-article-button-face))
6983 (gnus-add-text-properties
6984 from to
6985 (nconc (and gnus-article-mouse-face
6986 (list gnus-mouse-face-prop gnus-article-mouse-face))
6987 (list 'gnus-callback fun)
6988 (and data (list 'gnus-data data))))
6989 (widget-convert-button 'link from to :action 'gnus-widget-press-button
6990 :button-keymap gnus-widget-button-keymap))
6992 ;;; Internal functions:
6994 (defun gnus-article-set-globals ()
6995 (with-current-buffer gnus-summary-buffer
6996 (gnus-set-global-variables)))
6998 (defun gnus-signature-toggle (end)
6999 (gnus-with-article-buffer
7000 (let ((inhibit-point-motion-hooks t))
7001 (if (text-property-any end (point-max) 'article-type 'signature)
7002 (progn
7003 (gnus-delete-wash-type 'signature)
7004 (gnus-remove-text-properties-when
7005 'article-type 'signature end (point-max)
7006 (cons 'article-type (cons 'signature
7007 gnus-hidden-properties))))
7008 (gnus-add-wash-type 'signature)
7009 (gnus-add-text-properties-when
7010 'article-type nil end (point-max)
7011 (cons 'article-type (cons 'signature
7012 gnus-hidden-properties)))))
7013 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
7014 (gnus-set-mode-line 'article))))
7016 (defun gnus-button-entry ()
7017 ;; Return the first entry in `gnus-button-alist' matching this place.
7018 (let ((alist gnus-button-alist)
7019 (entry nil))
7020 (while alist
7021 (setq entry (pop alist))
7022 (if (looking-at (eval (car entry)))
7023 (setq alist nil)
7024 (setq entry nil)))
7025 entry))
7027 (defun gnus-button-push (marker)
7028 ;; Push button starting at MARKER.
7029 (save-excursion
7030 (goto-char marker)
7031 (let* ((entry (gnus-button-entry))
7032 (inhibit-point-motion-hooks t)
7033 (fun (nth 3 entry))
7034 (args (mapcar (lambda (group)
7035 (let ((string (match-string group)))
7036 (set-text-properties
7037 0 (length string) nil string)
7038 string))
7039 (nthcdr 4 entry))))
7040 (cond
7041 ((fboundp fun)
7042 (apply fun args))
7043 ((and (boundp fun)
7044 (fboundp (symbol-value fun)))
7045 (apply (symbol-value fun) args))
7046 (t
7047 (gnus-message 1 "You must define `%S' to use this button"
7048 (cons fun args)))))))
7050 (defun gnus-parse-news-url (url)
7051 (let (scheme server port group message-id articles)
7052 (with-temp-buffer
7053 (insert url)
7054 (goto-char (point-min))
7056 (setq scheme (match-string 1))
7057 (goto-char (match-end 0)))
7059 (setq server (match-string 1))
7060 (setq port (if (stringp (match-string 3))
7061 (string-to-number (match-string 3))
7062 (match-string 3)))
7063 (goto-char (match-end 0)))
7065 (cond
7067 (setq message-id (match-string 1)))
7069 (setq group (match-string 1)
7070 articles (split-string (match-string 2) "-")))
7072 (setq group (match-string 1)))
7073 (t
7074 (error "Unknown news URL syntax"))))
7075 (list scheme server port group message-id articles)))
7077 (defun gnus-button-handle-news (url)
7078 "Fetch a news URL."
7079 (destructuring-bind (scheme server port group message-id articles)
7080 (gnus-parse-news-url url)
7081 (cond
7082 (message-id
7083 (save-excursion
7084 (set-buffer gnus-summary-buffer)
7085 (if server
7086 (let ((gnus-refer-article-method
7087 (nconc (list (list 'nntp server))
7088 gnus-refer-article-method))
7089 (nntp-port-number (or port "nntp")))
7090 (gnus-message 7 "Fetching %s with %s"
7091 message-id gnus-refer-article-method)
7092 (gnus-summary-refer-article message-id))
7093 (gnus-summary-refer-article message-id))))
7094 (group
7095 (gnus-button-fetch-group url)))))
7097 (defun gnus-button-handle-man (url)
7098 "Fetch a man page."
7099 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7100 (when (eq gnus-button-man-handler 'woman)
7102 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7103 (funcall gnus-button-man-handler url))
7105 (defun gnus-button-handle-info-url (url)
7106 "Fetch an info URL."
7107 (setq url (mm-subst-char-in-string ?+ ?\ url))
7108 (cond
7110 (gnus-info-find-node
7111 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
7112 "Gnus")
7113 ")" (gnus-url-unhex-string (match-string 2 url)))))
7115 (setq url
7116 (gnus-replace-in-string
7118 (gnus-info-find-node url))
7119 (t (error "Can't parse %s" url))))
7121 (defun gnus-button-handle-info-url-gnome (url)
7122 "Fetch GNOME style info URL."
7123 (setq url (mm-subst-char-in-string ?_ ?\ url))
7125 (gnus-info-find-node
7126 (concat "("
7127 (gnus-url-unhex-string
7128 (match-string 1 url))
7129 ")"
7130 (or (gnus-url-unhex-string
7131 (match-string 2 url))
7132 "Top")))
7133 (error "Can't parse %s" url)))
7135 (defun gnus-button-handle-info-url-kde (url)
7136 "Fetch KDE style info URL."
7137 (gnus-info-find-node (gnus-url-unhex-string url)))
7139 (defun gnus-button-handle-info-keystrokes (url)
7140 "Call `info' when pushing the corresponding URL button."
7141 ;; For links like `C-h i d m gnus RET', `C-h i d m CC Mode RET'.
7142 (info)
7143 (Info-directory)
7144 (Info-menu url))
7146 (defun gnus-button-openpgp (url)
7147 "Retrieve and add an OpenPGP key given URL from an OpenPGP header."
7148 (with-temp-buffer
7149 (mm-url-insert-file-contents-external url)
7150 (pgg-snarf-keys-region (point-min) (point-max))
7151 (pgg-display-output-buffer nil nil nil)))
7153 (defun gnus-button-message-id (message-id)
7154 "Fetch MESSAGE-ID."
7155 (with-current-buffer gnus-summary-buffer
7156 (gnus-summary-refer-article message-id)))
7158 (defun gnus-button-fetch-group (address)
7159 "Fetch GROUP specified by ADDRESS."
7160 (if (not (string-match "[:/]" address))
7161 ;; This is just a simple group url.
7162 (gnus-group-read-ephemeral-group address gnus-select-method)
7163 (if (not
7164 (string-match
7166 address))
7167 (error "Can't parse %s" address)
7168 (gnus-group-read-ephemeral-group
7169 (match-string 4 address)
7170 `(nntp ,(match-string 1 address)
7171 (nntp-address ,(match-string 1 address))
7172 (nntp-port-number ,(if (match-end 3)
7173 (match-string 3 address)
7174 "nntp")))
7175 nil nil nil
7176 (and (match-end 6) (list (string-to-number (match-string 6 address))))))))
7178 (defun gnus-url-parse-query-string (query &optional downcase)
7179 (let (retval pairs cur key val)
7180 (setq pairs (split-string query "&"))
7181 (while pairs
7182 (setq cur (car pairs)
7183 pairs (cdr pairs))
7184 (if (not (string-match "=" cur))
7185 nil ; Grace
7186 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
7187 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
7188 (if downcase
7189 (setq key (downcase key)))
7190 (setq cur (assoc key retval))
7191 (if cur
7192 (setcdr cur (cons val (cdr cur)))
7193 (setq retval (cons (list key val) retval)))))
7194 retval))
7196 (defun gnus-url-mailto (url)
7197 ;; Send mail to someone
7199 (setq url (substring url (match-beginning 1) nil)))
7200 (let (to args subject func)
7201 (setq args (gnus-url-parse-query-string
7203 (substring url 1)
7205 (concat "to=" (match-string 1 url) "&"
7206 (match-string 2 url))
7207 (concat "to=" url)))
7208 t)
7209 subject (cdr-safe (assoc "subject" args)))
7210 (gnus-msg-mail)
7211 (while args
7212 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
7213 (if (fboundp func)
7214 (funcall func)
7215 (message-position-on-field (caar args)))
7216 (insert (gnus-replace-in-string
7217 (mapconcat 'identity (reverse (cdar args)) ", ")
7219 (setq args (cdr args)))
7220 (if subject
7221 (message-goto-body)
7222 (message-goto-subject))))
7224 (defun gnus-button-embedded-url (address)
7225 "Activate ADDRESS with `browse-url'."
7226 (browse-url (gnus-strip-whitespace address)))
7228 ;;; Next/prev buttons in the article buffer.
7233 (defvar gnus-prev-page-map
7234 (let ((map (make-sparse-keymap)))
7235 (define-key map gnus-mouse-2 'gnus-button-prev-page)
7237 map))
7239 (defvar gnus-next-page-map
7240 (let ((map (make-sparse-keymap)))
7241 (unless (>= emacs-major-version 21)
7242 ;; XEmacs doesn't care.
7243 (set-keymap-parent map gnus-article-mode-map))
7244 (define-key map gnus-mouse-2 'gnus-button-next-page)
7246 map))
7248 (defun gnus-insert-prev-page-button ()
7249 (let ((b (point))
7250 (inhibit-read-only t))
7251 (gnus-eval-format
7252 gnus-prev-page-line-format nil
7253 `(keymap ,gnus-prev-page-map
7254 gnus-prev t
7255 gnus-callback gnus-article-button-prev-page
7256 article-type annotation))
7257 (widget-convert-button
7258 'link b (if (bolp)
7259 ;; Exclude a newline.
7260 (1- (point))
7261 (point))
7262 :action 'gnus-button-prev-page
7263 :button-keymap gnus-prev-page-map)))
7265 (defun gnus-button-next-page (&optional args more-args)
7266 "Go to the next page."
7267 (interactive)
7268 (let ((win (selected-window)))
7269 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7270 (gnus-article-next-page)
7271 (select-window win)))
7273 (defun gnus-button-prev-page (&optional args more-args)
7274 "Go to the prev page."
7275 (interactive)
7276 (let ((win (selected-window)))
7277 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7278 (gnus-article-prev-page)
7279 (select-window win)))
7281 (defun gnus-insert-next-page-button ()
7282 (let ((b (point))
7283 (inhibit-read-only t))
7284 (gnus-eval-format gnus-next-page-line-format nil
7285 `(keymap ,gnus-next-page-map
7286 gnus-next t
7287 gnus-callback gnus-article-button-next-page
7288 article-type annotation))
7289 (widget-convert-button
7290 'link b (if (bolp)
7291 ;; Exclude a newline.
7292 (1- (point))
7293 (point))
7294 :action 'gnus-button-next-page
7295 :button-keymap gnus-next-page-map)))
7297 (defun gnus-article-button-next-page (arg)
7298 "Go to the next page."
7299 (interactive "P")
7300 (let ((win (selected-window)))
7301 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7302 (gnus-article-next-page)
7303 (select-window win)))
7305 (defun gnus-article-button-prev-page (arg)
7306 "Go to the prev page."
7307 (interactive "P")
7308 (let ((win (selected-window)))
7309 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7310 (gnus-article-prev-page)
7311 (select-window win)))
7313 (defvar gnus-decode-header-methods
7314 '(mail-decode-encoded-word-region)
7315 "List of methods used to decode headers.
7317 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
7318 is FUNCTION, FUNCTION will be applied to all newsgroups. If item is a
7319 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
7320 whose names match REGEXP.
7322 For example:
7324 mail-decode-encoded-word-region
7326 ")
7328 (defvar gnus-decode-header-methods-cache nil)
7330 (defun gnus-multi-decode-header (start end)
7331 "Apply the functions from `gnus-encoded-word-methods' that match."
7332 (unless (and gnus-decode-header-methods-cache
7333 (eq gnus-newsgroup-name
7334 (car gnus-decode-header-methods-cache)))
7335 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
7336 (mapcar (lambda (x)
7337 (if (symbolp x)
7338 (nconc gnus-decode-header-methods-cache (list x))
7339 (if (and gnus-newsgroup-name
7340 (string-match (car x) gnus-newsgroup-name))
7341 (nconc gnus-decode-header-methods-cache
7342 (list (cdr x))))))
7343 gnus-decode-header-methods))
7344 (let ((xlist gnus-decode-header-methods-cache))
7345 (pop xlist)
7346 (save-restriction
7347 (narrow-to-region start end)
7348 (while xlist
7349 (funcall (pop xlist) (point-min) (point-max))))))
7351 ;;;
7352 ;;; Treatment top-level handling.
7353 ;;;
7355 (defun gnus-treat-article (condition &optional part-number total-parts type)
7356 (let ((length (- (point-max) (point-min)))
7357 (alist gnus-treatment-function-alist)
7358 (article-goto-body-goes-to-point-min-p t)
7359 (treated-type
7360 (or (not type)
7361 (catch 'found
7362 (let ((list gnus-article-treat-types))
7363 (while list
7364 (when (string-match (pop list) type)
7365 (throw 'found t)))))))
7366 (highlightp (gnus-visual-p 'article-highlight 'highlight))
7367 val elem)
7368 (gnus-run-hooks 'gnus-part-display-hook)
7369 (dolist (elem alist)
7370 (setq val
7371 (save-excursion
7372 (when (gnus-buffer-live-p gnus-summary-buffer)
7373 (set-buffer gnus-summary-buffer))
7374 (symbol-value (car elem))))
7375 (when (and (or (consp val)
7376 treated-type)
7377 (gnus-treat-predicate val)
7378 (or (not (get (car elem) 'highlight))
7379 highlightp))
7380 (save-restriction
7381 (funcall (cadr elem)))))))
7383 ;; Dynamic variables.
7384 (eval-when-compile
7385 (defvar part-number)
7386 (defvar total-parts)
7387 (defvar type)
7388 (defvar condition)
7389 (defvar length))
7391 (defun gnus-treat-predicate (val)
7392 (cond
7393 ((null val)
7394 nil)
7395 (condition
7396 (eq condition val))
7397 ((and (listp val)
7398 (stringp (car val)))
7399 (apply 'gnus-or (mapcar `(lambda (s)
7400 (string-match s ,(or gnus-newsgroup-name "")))
7401 val)))
7402 ((listp val)
7403 (let ((pred (pop val)))
7404 (cond
7405 ((eq pred 'or)
7406 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
7407 ((eq pred 'and)
7408 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
7409 ((eq pred 'not)
7410 (not (gnus-treat-predicate (car val))))
7411 ((eq pred 'typep)
7412 (equal (car val) type))
7413 (t
7414 (error "%S is not a valid predicate" pred)))))
7415 ((eq val t)
7416 t)
7417 ((eq val 'head)
7418 nil)
7419 ((eq val 'first)
7420 (eq part-number 1))
7421 ((eq val 'last)
7422 (eq part-number total-parts))
7423 ((numberp val)
7424 (< length val))
7425 (t
7426 (error "%S is not a valid value" val))))
7428 (defun gnus-article-encrypt-body (protocol &optional n)
7429 "Encrypt the article body."
7430 (interactive
7431 (list
7432 (or gnus-article-encrypt-protocol
7433 (completing-read "Encrypt protocol: "
7434 gnus-article-encrypt-protocol-alist
7435 nil t))
7436 current-prefix-arg))
7437 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
7438 (unless func
7439 (error "Can't find the encrypt protocol %s" protocol))
7440 (if (member gnus-newsgroup-name '("nndraft:delayed"
7441 "nndraft:drafts"
7442 "nndraft:queue"))
7443 (error "Can't encrypt the article in group %s"
7444 gnus-newsgroup-name))
7445 (gnus-summary-iterate n
7446 (save-excursion
7447 (set-buffer gnus-summary-buffer)
7448 (let ((mail-parse-charset gnus-newsgroup-charset)
7449 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
7450 (summary-buffer gnus-summary-buffer)
7451 references point)
7452 (gnus-set-global-variables)
7453 (when (gnus-group-read-only-p)
7454 (error "The current newsgroup does not support article encrypt"))
7455 (gnus-summary-show-article t)
7456 (setq references
7457 (or (mail-header-references gnus-current-headers) ""))
7458 (set-buffer gnus-article-buffer)
7459 (let* ((inhibit-read-only t)
7460 (headers
7461 (mapcar (lambda (field)
7462 (and (save-restriction
7463 (message-narrow-to-head)
7464 (goto-char (point-min))
7465 (search-forward field nil t))
7466 (prog2
7467 (message-narrow-to-field)
7468 (buffer-string)
7469 (delete-region (point-min) (point-max))
7470 (widen))))
7471 '("Content-Type:" "Content-Transfer-Encoding:"
7472 "Content-Disposition:"))))
7473 (message-narrow-to-head)
7474 (message-remove-header "MIME-Version")
7475 (goto-char (point-max))
7476 (setq point (point))
7477 (insert (apply 'concat headers))
7478 (widen)
7479 (narrow-to-region point (point-max))
7480 (let ((message-options message-options))
7481 (message-options-set 'message-sender user-mail-address)
7482 (message-options-set 'message-recipients user-mail-address)
7483 (message-options-set 'message-sign-encrypt 'not)
7484 (funcall func))
7485 (goto-char (point-min))
7487 (widen)
7488 (gnus-summary-edit-article-done
7489 references nil summary-buffer t))
7490 (when gnus-keep-backlog
7491 (gnus-backlog-remove-article
7492 (car gnus-article-current) (cdr gnus-article-current)))
7493 (save-excursion
7494 (when (get-buffer gnus-original-article-buffer)
7495 (set-buffer gnus-original-article-buffer)
7496 (setq gnus-original-article nil)))
7497 (when gnus-use-cache
7498 (gnus-cache-update-article
7499 (car gnus-article-current) (cdr gnus-article-current))))))))
7502 "The following specs can be used:
7503 %t The security MIME type
7504 %i Additional info
7505 %d Details
7506 %D Details if button is pressed")
7509 "The following specs can be used:
7510 %t The security MIME type
7511 %i Additional info
7512 %d Details
7513 %D Details if button is pressed")
7515 (defvar gnus-mime-security-button-line-format-alist
7516 '((?t gnus-tmp-type ?s)
7517 (?i gnus-tmp-info ?s)
7518 (?d gnus-tmp-details ?s)
7519 (?D gnus-tmp-pressed-details ?s)))
7521 (defvar gnus-mime-security-button-commands
7523 (undefined "v")
7524 (undefined "t")
7525 (undefined "C")
7526 (gnus-mime-security-save-part "o" "Save...")
7527 (undefined "\C-o")
7528 (undefined "r")
7529 (undefined "d")
7530 (undefined "c")
7531 (undefined "i")
7532 (undefined "E")
7533 (undefined "e")
7534 (undefined "p")
7535 (gnus-mime-security-pipe-part "|" "Pipe To Command...")
7536 (undefined ".")))
7538 (defvar gnus-mime-security-button-map
7539 (let ((map (make-sparse-keymap)))
7540 (define-key map gnus-mouse-2 'gnus-article-push-button)
7541 (define-key map gnus-down-mouse-3 'gnus-mime-security-button-menu)
7542 (dolist (c gnus-mime-security-button-commands)
7543 (define-key map (cadr c) (car c)))
7544 map))
7546 (easy-menu-define
7547 gnus-mime-security-button-menu gnus-mime-security-button-map
7548 "Security button menu."
7549 `("Security Part"
7550 ,@(delq nil
7551 (mapcar (lambda (c)
7552 (unless (eq (car c) 'undefined)
7553 (vector (caddr c) (car c) :enable t)))
7554 gnus-mime-security-button-commands))))
7556 (defun gnus-mime-security-button-menu (event prefix)
7557 "Construct a context-sensitive menu of security commands."
7559 (save-window-excursion
7560 (let ((pos (event-start event)))
7561 (select-window (posn-window pos))
7562 (goto-char (posn-point pos))
7563 (gnus-article-check-buffer)
7564 (popup-menu gnus-mime-security-button-menu nil prefix))))
7566 (defvar gnus-mime-security-details-buffer nil)
7568 (defvar gnus-mime-security-button-pressed nil)
7570 (defvar gnus-mime-security-show-details-inline t
7571 "If non-nil, show details in the article buffer.")
7573 (defun gnus-mime-security-verify-or-decrypt (handle)
7574 (mm-remove-parts (cdr handle))
7575 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
7576 point (inhibit-read-only t))
7577 (if region
7578 (goto-char (car region)))
7579 (save-restriction
7580 (narrow-to-region (point) (point))
7581 (with-current-buffer (mm-handle-multipart-original-buffer handle)
7582 (let* ((mm-verify-option 'known)
7583 (mm-decrypt-option 'known)
7584 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
7585 (unless (eq nparts (cdr handle))
7586 (mm-destroy-parts (cdr handle))
7587 (setcdr handle nparts))))
7588 (setq point (point))
7589 (gnus-mime-display-security handle)
7590 (goto-char (point-max)))
7591 (when region
7592 (delete-region (point) (cdr region))
7593 (set-marker (car region) nil)
7594 (set-marker (cdr region) nil))
7595 (goto-char point)))
7597 (defun gnus-mime-security-show-details (handle)
7598 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
7599 (if (not details)
7600 (gnus-message 5 "No details.")
7601 (if gnus-mime-security-show-details-inline
7602 (let ((gnus-mime-security-button-pressed
7603 (not (get-text-property (point) 'gnus-mime-details)))
7604 (gnus-mime-security-button-line-format
7605 (get-text-property (point) 'gnus-line-format))
7606 (inhibit-read-only t))
7607 (forward-char -1)
7608 (while (eq (get-text-property (point) 'gnus-line-format)
7609 gnus-mime-security-button-line-format)
7610 (forward-char -1))
7611 (forward-char)
7612 (save-restriction
7613 (narrow-to-region (point) (point))
7614 (gnus-insert-mime-security-button handle))
7615 (delete-region (point)
7616 (or (text-property-not-all
7617 (point) (point-max)
7618 'gnus-line-format
7619 gnus-mime-security-button-line-format)
7620 (point-max))))
7621 ;; Not inlined.
7622 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
7623 (with-current-buffer gnus-mime-security-details-buffer
7624 (erase-buffer)
7625 t)
7626 (setq gnus-mime-security-details-buffer
7627 (gnus-get-buffer-create "*MIME Security Details*")))
7628 (with-current-buffer gnus-mime-security-details-buffer
7629 (insert details)
7630 (goto-char (point-min)))
7631 (pop-to-buffer gnus-mime-security-details-buffer)))))
7633 (defun gnus-mime-security-press-button (handle)
7634 (save-excursion
7635 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7636 (gnus-mime-security-show-details handle)
7637 (gnus-mime-security-verify-or-decrypt handle))))
7639 (defun gnus-insert-mime-security-button (handle &optional displayed)
7640 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
7641 (gnus-tmp-type
7642 (concat
7643 (or (nth 2 (assoc protocol mm-verify-function-alist))
7644 (nth 2 (assoc protocol mm-decrypt-function-alist))
7645 "Unknown")
7646 (if (equal (car handle) "multipart/signed")
7647 " Signed" " Encrypted")
7648 " Part"))
7649 (gnus-tmp-info
7650 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7651 "Undecided"))
7652 (gnus-tmp-details
7653 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
7654 gnus-tmp-pressed-details
7655 b e)
7656 (setq gnus-tmp-details
7657 (if gnus-tmp-details
7659 ""))
7660 (setq gnus-tmp-pressed-details
7661 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
7662 (unless (bolp)
7664 (setq b (point))
7665 (gnus-eval-format
7666 gnus-mime-security-button-line-format
7667 gnus-mime-security-button-line-format-alist
7668 `(keymap ,gnus-mime-security-button-map
7669 gnus-callback gnus-mime-security-press-button
7670 gnus-line-format ,gnus-mime-security-button-line-format
7671 gnus-mime-details ,gnus-mime-security-button-pressed
7672 article-type annotation
7673 gnus-data ,handle))
7674 (setq e (if (bolp)
7675 ;; Exclude a newline.
7676 (1- (point))
7677 (point)))
7678 (widget-convert-button
7679 'link b e
7680 :mime-handle handle
7681 :action 'gnus-widget-press-button
7682 :button-keymap gnus-mime-security-button-map
7683 :help-echo
7684 (lambda (widget/window &optional overlay pos)
7685 ;; Needed to properly clear the message due to a bug in
7686 ;; wid-edit (XEmacs only).
7687 (when (boundp 'help-echo-owns-message)
7688 (setq help-echo-owns-message t))
7689 (format
7690 "%S: show detail; %S: more options"
7691 (aref gnus-mouse-2 0)
7692 (aref gnus-down-mouse-3 0))))))
7694 (defun gnus-mime-display-security (handle)
7695 (save-restriction
7696 (narrow-to-region (point) (point))
7697 (unless (gnus-unbuttonized-mime-type-p (car handle))
7698 (gnus-insert-mime-security-button handle))
7699 (gnus-mime-display-part (cadr handle))
7700 (unless (bolp)
7702 (unless (gnus-unbuttonized-mime-type-p (car handle))
7703 (let ((gnus-mime-security-button-line-format
7704 gnus-mime-security-button-end-line-format))
7705 (gnus-insert-mime-security-button handle)))
7706 (mm-set-handle-multipart-parameter
7707 handle 'gnus-region
7708 (cons (set-marker (make-marker) (point-min))
7709 (set-marker (make-marker) (point-max))))))
7711 (defun gnus-mime-security-run-function (function)
7712 "Run FUNCTION with the security part under point."
7713 (gnus-article-check-buffer)
7714 (let ((data (get-text-property (point) 'gnus-data))
7715 buffer handle)
7716 (when (and (stringp (car-safe data))
7717 (setq buffer (mm-handle-multipart-original-buffer data))
7718 (setq handle (cadr data)))
7719 (if (bufferp (mm-handle-buffer handle))
7720 (progn
7721 (setq handle (cons buffer (copy-sequence (cdr handle))))
7722 (mm-handle-set-undisplayer handle nil))
7723 (setq handle (mm-make-handle
7724 buffer
7725 (mm-handle-multipart-ctl-parameter handle 'protocol)
7726 nil nil nil nil nil nil)))
7727 (funcall function handle))))
7729 (defun gnus-mime-security-save-part ()
7730 "Save the security part under point."
7731 (interactive)
7732 (gnus-mime-security-run-function 'mm-save-part))
7734 (defun gnus-mime-security-pipe-part ()
7735 "Pipe the security part under point to a process."
7736 (interactive)
7737 (gnus-mime-security-run-function 'mm-pipe-part))
7739 (gnus-ems-redefine)
7741 (provide 'gnus-art)
7743 (run-hooks 'gnus-art-load-hook)
7745 ;;; arch-tag: 2654516f-6279-48f9-a83b-05c1fa450c33
7746 ;;; gnus-art.el ends here