1 ;;; gnus-art.el --- article mode commands for Semi-gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
4 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
5 ;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
6 ;; Katsumi Yamaoka <yamaoka@jpl.org>
7 ;; Keywords: mail, news, MIME
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)
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., 59 Temple Place - Suite 330,
24 ;; Boston, MA 02111-1307, USA.
30 (eval-when-compile (require 'cl))
31 (eval-when-compile (require 'static))
42 ;; Avoid byte-compile warnings.
51 (defgroup gnus-article nil
53 :link '(custom-manual "(gnus)The Article Buffer")
56 (defgroup gnus-article-treat nil
57 "Treating article parts."
58 :link '(custom-manual "(gnus)Article Hiding")
61 (defgroup gnus-article-hiding nil
62 "Hiding article parts."
63 :link '(custom-manual "(gnus)Article Hiding")
66 (defgroup gnus-article-highlight nil
67 "Article highlighting."
68 :link '(custom-manual "(gnus)Article Highlighting")
72 (defgroup gnus-article-signature nil
74 :link '(custom-manual "(gnus)Article Signature")
77 (defgroup gnus-article-headers nil
79 :link '(custom-manual "(gnus)Hiding Headers")
82 (defgroup gnus-article-washing nil
83 "Special commands on articles."
84 :link '(custom-manual "(gnus)Article Washing")
87 (defgroup gnus-article-emphasis nil
88 "Fontisizing articles."
89 :link '(custom-manual "(gnus)Article Fontisizing")
92 (defgroup gnus-article-saving nil
94 :link '(custom-manual "(gnus)Saving Articles")
97 (defgroup gnus-article-mime nil
98 "Worshiping the MIME wonder."
99 :link '(custom-manual "(gnus)Using MIME")
100 :group 'gnus-article)
102 (defgroup gnus-article-buttons nil
103 "Pushable buttons in the article buffer."
104 :link '(custom-manual "(gnus)Article Buttons")
105 :group 'gnus-article)
107 (defgroup gnus-article-various nil
108 "Other article options."
109 :link '(custom-manual "(gnus)Misc Article")
110 :group 'gnus-article)
112 (defcustom gnus-ignored-headers
113 '("^Path:" "^Expires:" "^Date-Received:" "^References:" "^Xref:" "^Lines:"
114 "^Relay-Version:" "^Message-ID:" "^Approved:" "^Sender:" "^Received:"
115 "^X-UIDL:" "^MIME-Version:" "^Return-Path:" "^In-Reply-To:"
116 "^Content-Type:" "^Content-Transfer-Encoding:" "^X-WebTV-Signature:"
117 "^X-MimeOLE:" "^X-MSMail-Priority:" "^X-Priority:" "^X-Loop:"
118 "^X-Authentication-Warning:" "^X-MIME-Autoconverted:" "^X-Face:"
119 "^X-Attribution:" "^X-Originating-IP:" "^Delivered-To:"
120 "^NNTP-[-A-Za-z]+:" "^Distribution:" "^X-no-archive:" "^X-Trace:"
121 "^X-Complaints-To:" "^X-NNTP-Posting-Host:" "^X-Orig.*:"
122 "^Abuse-Reports-To:" "^Cache-Post-Path:" "^X-Article-Creation-Date:"
123 "^X-Poster:" "^X-Mail2News-Path:" "^X-Server-Date:" "^X-Cache:"
124 "^Originator:" "^X-Problems-To:" "^X-Auth-User:" "^X-Post-Time:"
125 "^X-Admin:" "^X-UID:" "^Resent-[-A-Za-z]+:" "^X-Mailing-List:"
126 "^Precedence:" "^Original-[-A-Za-z]+:" "^X-filename:" "^X-Orcpt:"
127 "^Old-Received:" "^X-Pgp" "^X-Auth:" "^X-From-Line:"
128 "^X-Gnus-Article-Number:" "^X-Majordomo:" "^X-Url:" "^X-Sender:"
129 "^MBOX-Line" "^Priority:" "^X-Pgp" "^X400-[-A-Za-z]+:"
130 "^Status:" "^X-Gnus-Mail-Source:" "^Cancel-Lock:"
131 "^X-FTN" "^X-EXP32-SerialNo:" "^Encoding:" "^Importance:"
132 "^Autoforwarded:" "^Original-Encoded-Information-Types:" "^X-Ya-Pop3:"
133 "^X-Face-Version:" "^X-Vms-To:" "^X-ML-NAME:" "^X-ML-COUNT:"
134 "^Mailing-List:" "^X-finfo:" "^X-md5sum:" "^X-md5sum-Origin:"
135 "^X-Sun-Charset:" "^X-Accept-Language:" "^X-Envelope-Sender:"
136 "^List-[A-Za-z]+:" "^X-Listprocessor-Version:"
137 "^X-Received:" "^X-Distribute:" "^X-Sequence:" "^X-Juno-Line-Breaks:"
138 "^X-Notes-Item:" "^X-MS-TNEF-Correlator:" "^x-uunet-gateway:"
139 "^X-Received:" "^Content-length:" "X-precedence:")
140 "*All headers that start with this regexp will be hidden.
141 This variable can also be a list of regexps of headers to be ignored.
142 If `gnus-visible-headers' is non-nil, this variable will be ignored."
143 :type '(choice :custom-show nil
146 :group 'gnus-article-hiding)
148 (defcustom gnus-visible-headers
149 "^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:"
150 "*All headers that do not match this regexp will be hidden.
151 This variable can also be a list of regexp of headers to remain visible.
152 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
153 :type '(repeat :value-to-internal (lambda (widget value)
154 (custom-split-regexp-maybe value))
155 :match (lambda (widget value)
157 (widget-editable-list-match widget value)))
159 :group 'gnus-article-hiding)
161 (defcustom gnus-sorted-header-list
162 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
163 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
164 "*This variable is a list of regular expressions.
165 If it is non-nil, headers that match the regular expressions will
166 be placed first in the article buffer in the sequence specified by
168 :type '(repeat regexp)
169 :group 'gnus-article-hiding)
171 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
172 "Headers that are only to be displayed if they have interesting data.
173 Possible values in this list are `empty', `newsgroups', `followup-to',
174 `reply-to', `date', `long-to', and `many-to'."
175 :type '(set (const :tag "Headers with no content." empty)
176 (const :tag "Newsgroups with only one group." newsgroups)
177 (const :tag "Followup-to identical to newsgroups." followup-to)
178 (const :tag "Reply-to identical to from." reply-to)
179 (const :tag "Date less than four days old." date)
180 (const :tag "Very long To and/or Cc header." long-to)
181 (const :tag "Multiple To and/or Cc headers." many-to))
182 :group 'gnus-article-hiding)
184 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
185 "Regexp matching signature separator.
186 This can also be a list of regexps. In that case, it will be checked
187 from head to tail looking for a separator. Searches will be done from
188 the end of the buffer."
189 :type '(repeat string)
190 :group 'gnus-article-signature)
192 (defcustom gnus-signature-limit nil
193 "Provide a limit to what is considered a signature.
194 If it is a number, no signature may not be longer (in characters) than
195 that number. If it is a floating point number, no signature may be
196 longer (in lines) than that number. If it is a function, the function
197 will be called without any parameters, and if it returns nil, there is
198 no signature in the buffer. If it is a string, it will be used as a
199 regexp. If it matches, the text in question is not a signature."
200 :type '(choice (integer :value 200)
202 (function :value fun)
203 (regexp :value ".*"))
204 :group 'gnus-article-signature)
206 (defcustom gnus-hidden-properties '(invisible t intangible t)
207 "Property list to use for hiding text."
209 :group 'gnus-article-hiding)
211 (defcustom gnus-article-x-face-command
213 ;; Fixme: This isn't the right thing for mixed graphical and and
214 ;; non-graphical frames in a session.
215 ;; gnus-xmas.el overrides this for XEmacs.
216 ((and (fboundp 'image-type-available-p)
217 (image-type-available-p 'xbm))
218 (if (module-installed-p 'x-face-e21)
219 'x-face-decode-message-header
220 'gnus-article-display-xface))
221 ((and (not (featurep 'xemacs))
223 (module-installed-p 'x-face-mule))
224 'x-face-mule-gnus-article-display-x-face)
225 (gnus-article-compface-xbm
226 "{ echo '/* Width=48, Height=48 */'; uncompface; } | display -")
228 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
230 "*String or function to be executed to display an X-Face header.
231 If it is a string, the command will be executed in a sub-shell
232 asynchronously. The compressed face will be piped to this command."
233 :type '(choice string
235 :tag "x-face-decode-message-header (x-face-e21)"
236 x-face-decode-message-header)
237 (function-item gnus-article-display-xface)
238 (function-item x-face-mule-gnus-article-display-x-face)
240 :group 'gnus-article-washing)
242 (defcustom gnus-article-x-face-too-ugly nil
243 "Regexp matching posters whose face shouldn't be shown automatically."
244 :type '(choice regexp (const nil))
245 :group 'gnus-article-washing)
247 (defcustom gnus-article-banner-alist nil
248 "Banner alist for stripping.
250 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( eGroups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
251 :type '(repeat (cons symbol regexp))
252 :group 'gnus-article-washing)
254 (defcustom gnus-emphasis-alist
256 "\\(\\s-\\|^\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\s-\\|[-,;:\"]\\s-\\|[?!.]+\\s-\\|\\s)\\)")
258 '(("_" "_" underline)
261 ("_/" "/_" underline-italic)
262 ("_\\*" "\\*_" underline-bold)
263 ("\\*/" "/\\*" bold-italic)
264 ("_\\*/" "/\\*_" underline-bold-italic))))
265 `(("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
266 2 3 gnus-emphasis-underline)
270 (format format (car spec) (car (cdr spec)))
271 2 3 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
273 "*Alist that says how to fontify certain phrases.
274 Each item looks like this:
276 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
278 The first element is a regular expression to be matched. The second
279 is a number that says what regular expression grouping used to find
280 the entire emphasized word. The third is a number that says what
281 regexp grouping should be displayed and highlighted. The fourth
282 is the face used for highlighting."
283 :type '(repeat (list :value ("" 0 0 default)
285 (integer :tag "Match group")
286 (integer :tag "Emphasize group")
288 :group 'gnus-article-emphasis)
290 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
291 "A regexp to describe whitespace which should not be emphasized.
292 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
293 The former avoids underlining of leading and trailing whitespace,
294 and the latter avoids underlining any whitespace at all."
295 :group 'gnus-article-emphasis
298 (defface gnus-emphasis-bold '((t (:bold t)))
299 "Face used for displaying strong emphasized text (*word*)."
300 :group 'gnus-article-emphasis)
302 (defface gnus-emphasis-italic '((t (:italic t)))
303 "Face used for displaying italic emphasized text (/word/)."
304 :group 'gnus-article-emphasis)
306 (defface gnus-emphasis-underline '((t (:underline t)))
307 "Face used for displaying underlined emphasized text (_word_)."
308 :group 'gnus-article-emphasis)
310 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
311 "Face used for displaying underlined bold emphasized text (_*word*_)."
312 :group 'gnus-article-emphasis)
314 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
315 "Face used for displaying underlined italic emphasized text (_/word/_)."
316 :group 'gnus-article-emphasis)
318 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
319 "Face used for displaying bold italic emphasized text (/*word*/)."
320 :group 'gnus-article-emphasis)
322 (defface gnus-emphasis-underline-bold-italic
323 '((t (:bold t :italic t :underline t)))
324 "Face used for displaying underlined bold italic emphasized text.
325 Esample: (_/*word*/_)."
326 :group 'gnus-article-emphasis)
328 (defface gnus-emphasis-highlight-words
329 '((t (:background "black" :foreground "yellow")))
330 "Face used for displaying highlighted words."
331 :group 'gnus-article-emphasis)
333 (defcustom gnus-article-time-format "%a, %b %d %Y %T %Z"
334 "Format for display of Date headers in article bodies.
335 See `format-time-string' for the possible values.
337 The variable can also be function, which should return a complete Date
338 header. The function is called with one argument, the time, which can
339 be fed to `format-time-string'."
340 :type '(choice string symbol)
341 :link '(custom-manual "(gnus)Article Date")
342 :group 'gnus-article-washing)
345 (autoload 'mail-extract-address-components "mail-extr"))
347 (defcustom gnus-save-all-headers t
348 "*If non-nil, don't remove any headers before saving."
349 :group 'gnus-article-saving
352 (defcustom gnus-prompt-before-saving 'always
353 "*This variable says how much prompting is to be done when saving articles.
354 If it is nil, no prompting will be done, and the articles will be
355 saved to the default files. If this variable is `always', each and
356 every article that is saved will be preceded by a prompt, even when
357 saving large batches of articles. If this variable is neither nil not
358 `always', there the user will be prompted once for a file name for
359 each invocation of the saving commands."
360 :group 'gnus-article-saving
361 :type '(choice (item always)
362 (item :tag "never" nil)
363 (sexp :tag "once" :format "%t\n" :value t)))
365 (defcustom gnus-saved-headers gnus-visible-headers
366 "Headers to keep if `gnus-save-all-headers' is nil.
367 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
368 If that variable is nil, however, all headers that match this regexp
369 will be kept while the rest will be deleted before saving."
370 :group 'gnus-article-saving
373 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
374 "A function to save articles in your favourite format.
375 The function must be interactively callable (in other words, it must
376 be an Emacs command).
378 Gnus provides the following functions:
380 * gnus-summary-save-in-rmail (Rmail format)
381 * gnus-summary-save-in-mail (Unix mail format)
382 * gnus-summary-save-in-folder (MH folder)
383 * gnus-summary-save-in-file (article format)
384 * gnus-summary-save-in-vm (use VM's folder format)
385 * gnus-summary-write-to-file (article format -- overwrite)."
386 :group 'gnus-article-saving
387 :type '(radio (function-item gnus-summary-save-in-rmail)
388 (function-item gnus-summary-save-in-mail)
389 (function-item gnus-summary-save-in-folder)
390 (function-item gnus-summary-save-in-file)
391 (function-item gnus-summary-save-in-vm)
392 (function-item gnus-summary-write-to-file)))
394 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
395 "A function generating a file name to save articles in Rmail format.
396 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
397 :group 'gnus-article-saving
400 (defcustom gnus-mail-save-name 'gnus-plain-save-name
401 "A function generating a file name to save articles in Unix mail format.
402 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
403 :group 'gnus-article-saving
406 (defcustom gnus-folder-save-name 'gnus-folder-save-name
407 "A function generating a file name to save articles in MH folder.
408 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
409 :group 'gnus-article-saving
412 (defcustom gnus-file-save-name 'gnus-numeric-save-name
413 "A function generating a file name to save articles in article format.
414 The function is called with NEWSGROUP, HEADERS, and optional
416 :group 'gnus-article-saving
419 (defcustom gnus-split-methods
420 '((gnus-article-archive-name)
421 (gnus-article-nndoc-name))
422 "*Variable used to suggest where articles are to be saved.
423 For instance, if you would like to save articles related to Gnus in
424 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
425 you could set this variable to something like:
427 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
428 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
430 This variable is an alist where the where the key is the match and the
431 value is a list of possible files to save in if the match is non-nil.
433 If the match is a string, it is used as a regexp match on the
434 article. If the match is a symbol, that symbol will be funcalled
435 from the buffer of the article to be saved with the newsgroup as the
436 parameter. If it is a list, it will be evaled in the same buffer.
438 If this form or function returns a string, this string will be used as
439 a possible file name; and if it returns a non-nil list, that list will
440 be used as possible file names."
441 :group 'gnus-article-saving
442 :type '(repeat (choice (list :value (fun) function)
443 (cons :value ("" "") regexp (repeat string))
446 (defcustom gnus-article-display-method-for-mime
447 'gnus-article-display-mime-message
448 "Function to display a MIME message.
449 The function is called from the article buffer."
450 :group 'gnus-article-mime
453 (defcustom gnus-article-display-method-for-traditional
454 'gnus-article-display-traditional-message
455 "*Function to display a traditional message.
456 The function is called from the article buffer."
457 :group 'gnus-article-mime
460 (defcustom gnus-page-delimiter "^\^L"
461 "*Regexp describing what to use as article page delimiters.
462 The default value is \"^\^L\", which is a form linefeed at the
463 beginning of a line."
465 :group 'gnus-article-various)
467 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
468 "*The format specification for the article mode line.
469 See `gnus-summary-mode-line-format' for a closer description.
471 The following additional specs are available:
473 %w The article washing status.
474 %m The number of MIME parts in the article."
476 :group 'gnus-article-various)
478 (defcustom gnus-article-mode-hook nil
479 "*A hook for Gnus article mode."
481 :group 'gnus-article-various)
483 (defcustom gnus-article-menu-hook nil
484 "*Hook run after the creation of the article mode menu."
486 :group 'gnus-article-various)
488 (defcustom gnus-article-prepare-hook nil
489 "*A hook called after an article has been prepared in the article buffer."
491 :group 'gnus-article-various)
493 (defcustom gnus-article-hide-pgp-hook nil
494 "*A hook called after successfully hiding a PGP signature."
496 :group 'gnus-article-various)
498 (defcustom gnus-article-button-face 'bold
499 "Face used for highlighting buttons in the article buffer.
501 An article button is a piece of text that you can activate by pressing
502 `RET' or `mouse-2' above it."
504 :group 'gnus-article-buttons)
506 (defcustom gnus-article-mouse-face 'highlight
507 "Face used for mouse highlighting in the article buffer.
509 Article buttons will be displayed in this face when the cursor is
512 :group 'gnus-article-buttons)
514 (defcustom gnus-signature-face 'gnus-signature-face
515 "Face used for highlighting a signature in the article buffer.
516 Obsolete; use the face `gnus-signature-face' for customizations instead."
518 :group 'gnus-article-highlight
519 :group 'gnus-article-signature)
521 (defface gnus-signature-face
524 "Face used for highlighting a signature in the article buffer."
525 :group 'gnus-article-highlight
526 :group 'gnus-article-signature)
528 (defface gnus-header-from-face
531 (:foreground "spring green"))
534 (:foreground "red3"))
537 "Face used for displaying from headers."
538 :group 'gnus-article-headers
539 :group 'gnus-article-highlight)
541 (defface gnus-header-subject-face
544 (:foreground "SeaGreen3"))
547 (:foreground "red4"))
549 (:bold t :italic t)))
550 "Face used for displaying subject headers."
551 :group 'gnus-article-headers
552 :group 'gnus-article-highlight)
554 (defface gnus-header-newsgroups-face
557 (:foreground "yellow" :italic t))
560 (:foreground "MidnightBlue" :italic t))
563 "Face used for displaying newsgroups headers."
564 :group 'gnus-article-headers
565 :group 'gnus-article-highlight)
567 (defface gnus-header-name-face
570 (:foreground "SeaGreen"))
573 (:foreground "maroon"))
576 "Face used for displaying header names."
577 :group 'gnus-article-headers
578 :group 'gnus-article-highlight)
580 (defface gnus-header-content-face
583 (:foreground "forest green" :italic t))
586 (:foreground "indianred4" :italic t))
588 (:italic t))) "Face used for displaying header content."
589 :group 'gnus-article-headers
590 :group 'gnus-article-highlight)
592 (defcustom gnus-header-face-alist
593 '(("From" nil gnus-header-from-face)
594 ("Subject" nil gnus-header-subject-face)
595 ("Newsgroups:.*," nil gnus-header-newsgroups-face)
596 ("" gnus-header-name-face gnus-header-content-face))
597 "*Controls highlighting of article header.
599 An alist of the form (HEADER NAME CONTENT).
601 HEADER is a regular expression which should match the name of an
602 header header and NAME and CONTENT are either face names or nil.
604 The name of each header field will be displayed using the face
605 specified by the first element in the list where HEADER match the
606 header name and NAME is non-nil. Similarly, the content will be
607 displayed by the first non-nil matching CONTENT face."
608 :group 'gnus-article-headers
609 :group 'gnus-article-highlight
610 :type '(repeat (list (regexp :tag "Header")
612 (item :tag "skip" nil)
613 (face :value default))
614 (choice :tag "Content"
615 (item :tag "skip" nil)
616 (face :value default)))))
618 (defcustom gnus-article-decode-hook nil
619 "*Hook run to decode charsets in articles."
620 :group 'gnus-article-headers
623 (defcustom gnus-display-mime-function 'gnus-display-mime
624 "Function to display MIME articles."
625 :group 'gnus-article-mime
628 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
629 "Function used to decode headers.")
631 (defvar gnus-article-dumbquotes-map
649 "Table for MS-to-Latin1 translation.")
651 (defcustom gnus-ignored-mime-types nil
652 "List of MIME types that should be ignored by Gnus."
653 :group 'gnus-article-mime
654 :type '(repeat regexp))
656 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
657 "List of MIME types that should not be given buttons when rendered inline."
658 :group 'gnus-article-mime
659 :type '(repeat regexp))
661 (defcustom gnus-article-mime-part-function nil
662 "Function called with a MIME handle as the argument.
663 This is meant for people who want to do something automatic based
664 on parts -- for instance, adding Vcard info to a database."
665 :group 'gnus-article-mime
668 (defcustom gnus-mime-multipart-functions nil
669 "An alist of MIME types to functions to display them.")
671 (defcustom gnus-article-date-lapsed-new-header nil
672 "Whether the X-Sent and Date headers can coexist.
673 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
674 either replace the old \"Date:\" header (if this variable is nil), or
675 be added below it (otherwise)."
676 :group 'gnus-article-headers
679 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
680 "Function called with a MIME handle as the argument.
681 This is meant for people who want to view first matched part.
682 For `undisplayed-alternative' (default), the first undisplayed
683 part or alternative part is used. For `undisplayed', the first
684 undisplayed part is used. For a function, the first part which
685 the function return `t' is used. For `nil', the first part is
687 :group 'gnus-article-mime
689 (item :tag "first" :value nil)
690 (item :tag "undisplayed" :value undisplayed)
691 (item :tag "undisplayed or alternative"
692 :value undisplayed-alternative)
695 (defcustom gnus-mime-action-alist
696 '(("save to file" . gnus-mime-save-part)
697 ("save and strip" . gnus-mime-save-part-and-strip)
698 ("display as text" . gnus-mime-inline-part)
699 ("view the part" . gnus-mime-view-part)
700 ("pipe to command" . gnus-mime-pipe-part)
701 ("toggle display" . gnus-article-press-button)
702 ("toggle display" . gnus-article-view-part-as-charset)
703 ("view as type" . gnus-mime-view-part-as-type)
704 ("internalize type" . gnus-mime-internalize-part)
705 ("externalize type" . gnus-mime-externalize-part))
706 "An alist of actions that run on the MIME attachment."
707 :group 'gnus-article-mime
708 :type '(repeat (cons (string :tag "name")
712 ;;; The treatment variables
715 (defvar gnus-part-display-hook nil
716 "Hook called on parts that are to receive treatment.")
718 (defvar gnus-article-treat-custom
719 '(choice (const :tag "Off" nil)
721 (const :tag "Header" head)
722 (const :tag "Last" last)
723 (const :tag "Mime" mime)
724 (integer :tag "Less")
725 (repeat :tag "Groups" regexp)
726 (sexp :tag "Predicate")))
728 (defvar gnus-article-treat-head-custom
729 '(choice (const :tag "Off" nil)
730 (const :tag "Header" head)))
732 (defvar gnus-article-treat-types '("text/plain")
735 (defvar gnus-inhibit-treatment nil
736 "Whether to inhibit treatment.")
738 (defcustom gnus-treat-highlight-signature '(or last (typep "text/x-vcard"))
739 "Highlight the signature.
740 Valid values are nil, t, `head', `last', an integer or a predicate.
741 See the manual for details."
742 :group 'gnus-article-treat
743 :type gnus-article-treat-custom)
744 (put 'gnus-treat-highlight-signature 'highlight t)
746 (defcustom gnus-treat-buttonize 100000
748 Valid values are nil, t, `head', `last', an integer or a predicate.
749 See the manual for details."
750 :group 'gnus-article-treat
751 :type gnus-article-treat-custom)
752 (put 'gnus-treat-buttonize 'highlight t)
754 (defcustom gnus-treat-buttonize-head 'head
755 "Add buttons to the head.
756 Valid values are nil, t, `head', `last', an integer or a predicate.
757 See the manual for details."
758 :group 'gnus-article-treat
759 :type gnus-article-treat-head-custom)
760 (put 'gnus-treat-buttonize-head 'highlight t)
762 (defcustom gnus-treat-emphasize nil
764 Valid values are nil, t, `head', `last', an integer or a predicate.
765 See the manual for details."
766 :group 'gnus-article-treat
767 :type gnus-article-treat-custom)
768 (put 'gnus-treat-emphasize 'highlight t)
770 (defcustom gnus-treat-strip-cr nil
771 "Remove carriage returns.
772 Valid values are nil, t, `head', `last', an integer or a predicate.
773 See the manual for details."
774 :group 'gnus-article-treat
775 :type gnus-article-treat-custom)
777 (defcustom gnus-treat-hide-headers 'head
779 Valid values are nil, t, `head', `last', an integer or a predicate.
780 See the manual for details."
781 :group 'gnus-article-treat
782 :type gnus-article-treat-head-custom)
784 (defcustom gnus-treat-hide-boring-headers nil
785 "Hide boring headers.
786 Valid values are nil, t, `head', `last', an integer or a predicate.
787 See the manual for details."
788 :group 'gnus-article-treat
789 :type gnus-article-treat-head-custom)
791 (defcustom gnus-treat-hide-signature nil
793 Valid values are nil, t, `head', `last', an integer or a predicate.
794 See the manual for details."
795 :group 'gnus-article-treat
796 :type gnus-article-treat-custom)
798 (defcustom gnus-treat-fill-article nil
800 Valid values are nil, t, `head', `last', an integer or a predicate.
801 See the manual for details."
802 :group 'gnus-article-treat
803 :type gnus-article-treat-custom)
805 (defcustom gnus-treat-hide-citation nil
807 Valid values are nil, t, `head', `last', an integer or a predicate.
808 See the manual for details."
809 :group 'gnus-article-treat
810 :type gnus-article-treat-custom)
812 (defcustom gnus-treat-hide-citation-maybe nil
814 Valid values are nil, t, `head', `last', an integer or a predicate.
815 See the manual for details."
816 :group 'gnus-article-treat
817 :type gnus-article-treat-custom)
819 (defcustom gnus-treat-strip-list-identifiers 'head
820 "Strip list identifiers from `gnus-list-identifiers`.
821 Valid values are nil, t, `head', `last', an integer or a predicate.
822 See the manual for details."
823 :group 'gnus-article-treat
824 :type gnus-article-treat-custom)
826 (defcustom gnus-treat-strip-pgp t
827 "Strip PGP signatures.
828 Valid values are nil, t, `head', `last', an integer or a predicate.
829 See the manual for details."
830 :group 'gnus-article-treat
831 :type gnus-article-treat-custom)
833 (defcustom gnus-treat-strip-pem nil
834 "Strip PEM signatures.
835 Valid values are nil, t, `head', `last', an integer or a predicate.
836 See the manual for details."
837 :group 'gnus-article-treat
838 :type gnus-article-treat-custom)
840 (defcustom gnus-treat-strip-banner t
841 "Strip banners from articles.
842 The banner to be stripped is specified in the `banner' group parameter.
843 Valid values are nil, t, `head', `last', an integer or a predicate.
844 See the manual for details."
845 :group 'gnus-article-treat
846 :type gnus-article-treat-custom)
848 (defcustom gnus-treat-highlight-headers 'head
849 "Highlight the headers.
850 Valid values are nil, t, `head', `last', an integer or a predicate.
851 See the manual for details."
852 :group 'gnus-article-treat
853 :type gnus-article-treat-head-custom)
854 (put 'gnus-treat-highlight-headers 'highlight t)
856 (defcustom gnus-treat-highlight-citation t
857 "Highlight cited text.
858 Valid values are nil, t, `head', `last', an integer or a predicate.
859 See the manual for details."
860 :group 'gnus-article-treat
861 :type gnus-article-treat-custom)
862 (put 'gnus-treat-highlight-citation 'highlight t)
864 (defcustom gnus-treat-date-ut nil
865 "Display the Date in UT (GMT).
866 Valid values are nil, t, `head', `last', an integer or a predicate.
867 See the manual for details."
868 :group 'gnus-article-treat
869 :type gnus-article-treat-head-custom)
871 (defcustom gnus-treat-date-local nil
872 "Display the Date in the local timezone.
873 Valid values are nil, t, `head', `last', an integer or a predicate.
874 See the manual for details."
875 :group 'gnus-article-treat
876 :type gnus-article-treat-head-custom)
878 (defcustom gnus-treat-date-lapsed nil
879 "Display the Date header in a way that says how much time has elapsed.
880 Valid values are nil, t, `head', `last', an integer or a predicate.
881 See the manual for details."
882 :group 'gnus-article-treat
883 :type gnus-article-treat-head-custom)
885 (defcustom gnus-treat-date-original nil
886 "Display the date in the original timezone.
887 Valid values are nil, t, `head', `last', an integer or a predicate.
888 See the manual for details."
889 :group 'gnus-article-treat
890 :type gnus-article-treat-head-custom)
892 (defcustom gnus-treat-date-iso8601 nil
893 "Display the date in the ISO8601 format.
894 Valid values are nil, t, `head', `last', an integer or a predicate.
895 See the manual for details."
896 :group 'gnus-article-treat
897 :type gnus-article-treat-head-custom)
899 (defcustom gnus-treat-date-user-defined nil
900 "Display the date in a user-defined format.
901 The format is defined by the `gnus-article-time-format' variable.
902 Valid values are nil, t, `head', `last', an integer or a predicate.
903 See the manual for details."
904 :group 'gnus-article-treat
905 :type gnus-article-treat-head-custom)
907 (defcustom gnus-treat-strip-headers-in-body t
908 "Strip the X-No-Archive header line from the beginning of the body.
909 Valid values are nil, t, `head', `last', an integer or a predicate.
910 See the manual for details."
911 :group 'gnus-article-treat
912 :type gnus-article-treat-custom)
914 (defcustom gnus-treat-strip-trailing-blank-lines nil
915 "Strip trailing blank lines.
916 Valid values are nil, t, `head', `last', an integer or a predicate.
917 See the manual for details."
918 :group 'gnus-article-treat
919 :type gnus-article-treat-custom)
921 (defcustom gnus-treat-strip-leading-blank-lines nil
922 "Strip leading blank lines.
923 Valid values are nil, t, `head', `last', an integer or a predicate.
924 See the manual for details."
925 :group 'gnus-article-treat
926 :type gnus-article-treat-custom)
928 (defcustom gnus-treat-strip-multiple-blank-lines nil
929 "Strip multiple blank lines.
930 Valid values are nil, t, `head', `last', an integer or a predicate.
931 See the manual for details."
932 :group 'gnus-article-treat
933 :type gnus-article-treat-custom)
935 (defcustom gnus-treat-overstrike t
936 "Treat overstrike highlighting.
937 Valid values are nil, t, `head', `last', an integer or a predicate.
938 See the manual for details."
939 :group 'gnus-article-treat
940 :type gnus-article-treat-custom)
941 (put 'gnus-treat-overstrike 'highlight t)
943 (defcustom gnus-treat-display-xface
944 (and (or (and (fboundp 'image-type-available-p)
945 (image-type-available-p 'xbm)
946 (string-match "^0x" (shell-command-to-string "uncompface")))
947 (and (featurep 'xemacs) (featurep 'xface))
948 (eq 'x-face-mule-gnus-article-display-x-face
949 gnus-article-x-face-command))
951 "Display X-Face headers.
952 Valid values are nil, t, `head', `last', an integer or a predicate.
953 See the manual for details."
954 :group 'gnus-article-treat
955 :type gnus-article-treat-head-custom)
956 (put 'gnus-treat-display-xface 'highlight t)
958 (defcustom gnus-treat-display-smileys
959 (if (or (and (featurep 'xemacs)
961 (and (fboundp 'image-type-available-p)
962 (image-type-available-p 'pbm))
963 (and (not (featurep 'xemacs))
965 (module-installed-p 'gnus-bitmap)))
969 Valid values are nil, t, `head', `last', an integer or a predicate.
970 See the manual for details."
971 :group 'gnus-article-treat
972 :type gnus-article-treat-custom)
973 (put 'gnus-treat-display-smileys 'highlight t)
975 (defcustom gnus-treat-display-picons (if (featurep 'xemacs) 'head nil)
977 Valid values are nil, t, `head', `last', an integer or a predicate.
978 See the manual for details."
979 :group 'gnus-article-treat
980 :type gnus-article-treat-head-custom)
981 (put 'gnus-treat-display-picons 'highlight t)
983 (defcustom gnus-treat-capitalize-sentences nil
984 "Capitalize sentence-starting words.
985 Valid values are nil, t, `head', `last', an integer or a predicate.
986 See the manual for details."
987 :group 'gnus-article-treat
988 :type gnus-article-treat-custom)
990 (defcustom gnus-treat-fill-long-lines nil
992 Valid values are nil, t, `head', `last', an integer or a predicate.
993 See the manual for details."
994 :group 'gnus-article-treat
995 :type gnus-article-treat-custom)
997 (defcustom gnus-treat-play-sounds nil
999 Valid values are nil, t, `head', `last', an integer or a predicate.
1000 See the manual for details."
1001 :group 'gnus-article-treat
1002 :type gnus-article-treat-custom)
1004 (defcustom gnus-treat-decode-article-as-default-mime-charset nil
1005 "Decode an article as `default-mime-charset'. For instance, if you want to
1006 attempt to decode an article even if the value of `gnus-show-mime' is nil,
1007 you could set this variable to something like: nil for don't decode, t for
1008 decode the body, '(or header t) for the whole article, etc."
1009 :group 'gnus-article-treat
1010 :type '(radio (const :tag "Off" nil)
1011 (const :tag "Decode body" t)
1012 (const :tag "Decode all" (or head t))))
1014 (defcustom gnus-treat-translate nil
1015 "Translate articles from one language to another.
1016 Valid values are nil, t, `head', `last', an integer or a predicate.
1017 See the manual for details."
1018 :group 'gnus-article-treat
1019 :type gnus-article-treat-custom)
1021 (defcustom gnus-treat-x-pgp-sig nil
1023 Valid values are nil, t, `head', `last', an integer or a predicate.
1024 See the manual for details."
1025 :group 'gnus-article-treat
1026 :group 'mime-security
1027 :type gnus-article-treat-custom)
1029 (defvar gnus-article-encrypt-protocol-alist
1030 '(("PGP" . mml2015-self-encrypt)))
1032 ;; Set to nil if more than one protocol added to
1033 ;; gnus-article-encrypt-protocol-alist.
1034 (defcustom gnus-article-encrypt-protocol "PGP"
1035 "The protocol used for encrypt articles.
1036 It is a string, such as \"PGP\". If nil, ask user."
1038 :group 'mime-security)
1040 ;;; Internal variables
1042 (defvar article-goto-body-goes-to-point-min-p nil)
1043 (defvar gnus-article-wash-types nil)
1044 (defvar gnus-article-emphasis-alist nil)
1046 (defvar gnus-article-mime-handle-alist-1 nil)
1047 (defvar gnus-treatment-function-alist
1048 '((gnus-treat-decode-article-as-default-mime-charset
1049 gnus-article-decode-article-as-default-mime-charset)
1050 (gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1051 (gnus-treat-strip-banner gnus-article-strip-banner)
1052 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1053 (gnus-treat-buttonize gnus-article-add-buttons)
1054 (gnus-treat-fill-article gnus-article-fill-cited-article)
1055 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1056 (gnus-treat-strip-cr gnus-article-remove-cr)
1057 (gnus-treat-display-xface gnus-article-display-x-face)
1058 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1059 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1060 (gnus-treat-hide-signature gnus-article-hide-signature)
1061 (gnus-treat-hide-citation gnus-article-hide-citation)
1062 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1063 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1064 (gnus-treat-strip-pgp gnus-article-hide-pgp)
1065 (gnus-treat-strip-pem gnus-article-hide-pem)
1066 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1067 (gnus-treat-emphasize gnus-article-emphasize)
1068 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1069 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1070 (gnus-treat-date-ut gnus-article-date-ut)
1071 (gnus-treat-date-local gnus-article-date-local)
1072 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1073 (gnus-treat-date-original gnus-article-date-original)
1074 (gnus-treat-date-user-defined gnus-article-date-user)
1075 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1076 (gnus-treat-strip-trailing-blank-lines
1077 gnus-article-remove-trailing-blank-lines)
1078 (gnus-treat-strip-leading-blank-lines
1079 gnus-article-strip-leading-blank-lines)
1080 (gnus-treat-strip-multiple-blank-lines
1081 gnus-article-strip-multiple-blank-lines)
1082 (gnus-treat-overstrike gnus-article-treat-overstrike)
1083 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1084 (gnus-treat-display-smileys gnus-article-smiley-display)
1085 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1086 (gnus-treat-display-picons gnus-article-display-picons)
1087 (gnus-treat-play-sounds gnus-earcon-display)))
1089 (defvar gnus-article-mime-handle-alist nil)
1090 (defvar article-lapsed-timer nil)
1091 (defvar gnus-article-current-summary nil)
1093 (defvar gnus-article-mode-syntax-table
1094 (let ((table (copy-syntax-table text-mode-syntax-table)))
1095 ;; This causes the citation match run O(2^n).
1096 ;; (modify-syntax-entry ?- "w" table)
1097 (modify-syntax-entry ?> ")" table)
1098 (modify-syntax-entry ?< "(" table)
1100 "Syntax table used in article mode buffers.
1101 Initialized from `text-mode-syntax-table.")
1103 (defvar gnus-save-article-buffer nil)
1105 (defvar gnus-article-mode-line-format-alist
1106 (nconc '((?w (gnus-article-wash-status) ?s)
1107 (?m (gnus-article-mime-part-status) ?s))
1108 gnus-summary-mode-line-format-alist))
1110 (defvar gnus-number-of-articles-to-be-saved nil)
1112 (defvar gnus-inhibit-hiding nil)
1114 (defsubst gnus-article-hide-text (b e props)
1115 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1116 (add-text-properties b e props)
1117 (when (memq 'intangible props)
1119 (max (1- b) (point-min))
1120 b 'intangible (cddr (memq 'intangible props)))))
1121 (defsubst gnus-article-unhide-text (b e)
1122 "Remove hidden text properties from region between B and E."
1123 (remove-text-properties b e gnus-hidden-properties)
1124 (when (memq 'intangible gnus-hidden-properties)
1125 (put-text-property (max (1- b) (point-min))
1126 b 'intangible nil)))
1128 (defun gnus-article-hide-text-type (b e type)
1129 "Hide text of TYPE between B and E."
1130 (push type gnus-article-wash-types)
1131 (gnus-article-hide-text
1132 b e (cons 'article-type (cons type gnus-hidden-properties))))
1134 (defun gnus-article-unhide-text-type (b e type)
1135 "Unhide text of TYPE between B and E."
1136 (setq gnus-article-wash-types
1137 (delq type gnus-article-wash-types))
1138 (remove-text-properties
1139 b e (cons 'article-type (cons type gnus-hidden-properties)))
1140 (when (memq 'intangible gnus-hidden-properties)
1141 (put-text-property (max (1- b) (point-min))
1142 b 'intangible nil)))
1144 (defun gnus-article-hide-text-of-type (type)
1145 "Hide text of TYPE in the current buffer."
1147 (let ((b (point-min))
1149 (while (setq b (text-property-any b e 'article-type type))
1150 (add-text-properties b (incf b) gnus-hidden-properties)))))
1152 (defun gnus-article-delete-text-of-type (type)
1153 "Delete text of TYPE in the current buffer."
1155 (let ((b (point-min)))
1156 (while (setq b (text-property-any b (point-max) 'article-type type))
1158 b (or (text-property-not-all b (point-max) 'article-type type)
1161 (defun gnus-article-delete-invisible-text ()
1162 "Delete all invisible text in the current buffer."
1164 (let ((b (point-min)))
1165 (while (setq b (text-property-any b (point-max) 'invisible t))
1167 b (or (text-property-not-all b (point-max) 'invisible t)
1170 (defun gnus-article-text-type-exists-p (type)
1171 "Say whether any text of type TYPE exists in the buffer."
1172 (text-property-any (point-min) (point-max) 'article-type type))
1174 (defsubst gnus-article-header-rank ()
1175 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1176 (let ((list gnus-sorted-header-list)
1179 (when (looking-at (car list))
1181 (setq list (cdr list))
1185 (defun article-hide-headers (&optional arg delete)
1186 "Hide unwanted headers and possibly sort them as well."
1187 (interactive (gnus-article-hidden-arg))
1188 ;; Lars said that this function might be inhibited.
1189 (if (gnus-article-check-hidden-text 'headers arg)
1191 ;; Show boring headers as well.
1192 (gnus-article-show-hidden-text 'boring-headers)
1193 (when (eq 1 (point-min))
1194 (set-window-start (get-buffer-window (current-buffer)) 1)))
1195 (unless gnus-inhibit-hiding
1198 (let ((buffer-read-only nil)
1199 (inhibit-read-only t)
1200 (case-fold-search t)
1201 (max (1+ (length gnus-sorted-header-list)))
1202 (ignored (when (not gnus-visible-headers)
1203 (cond ((stringp gnus-ignored-headers)
1204 gnus-ignored-headers)
1205 ((listp gnus-ignored-headers)
1206 (mapconcat 'identity gnus-ignored-headers
1209 (cond ((stringp gnus-visible-headers)
1210 gnus-visible-headers)
1211 ((and gnus-visible-headers
1212 (listp gnus-visible-headers))
1213 (mapconcat 'identity gnus-visible-headers "\\|"))))
1214 (inhibit-point-motion-hooks t)
1216 ;; First we narrow to just the headers.
1217 (article-narrow-to-head)
1218 ;; Hide any "From " lines at the beginning of (mail) articles.
1219 (while (looking-at "From ")
1223 (delete-region (point-min) (point))
1224 (gnus-article-hide-text (point-min) (point)
1225 (nconc (list 'article-type 'headers)
1226 gnus-hidden-properties))))
1227 ;; Then treat the rest of the header lines.
1228 ;; Then we use the two regular expressions
1229 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1230 ;; select which header lines is to remain visible in the
1232 (while (re-search-forward "^[^ \t]*:" nil t)
1234 ;; Mark the rank of the header.
1236 (point) (1+ (point)) 'message-rank
1237 (if (or (and visible (looking-at visible))
1239 (not (looking-at ignored))))
1240 (gnus-article-header-rank)
1243 (message-sort-headers-1)
1244 (when (setq beg (text-property-any
1245 (point-min) (point-max) 'message-rank (+ 2 max)))
1246 ;; We delete or make invisible the unwanted headers.
1247 (push 'headers gnus-article-wash-types)
1250 (add-text-properties
1251 (point-min) (+ 5 (point-min))
1252 '(article-type headers dummy-invisible t))
1253 (delete-region beg (point-max)))
1254 (gnus-article-hide-text-type beg (point-max) 'headers))))))))
1257 (defun article-hide-boring-headers (&optional arg)
1258 "Toggle hiding of headers that aren't very interesting.
1259 If given a negative prefix, always show; if given a positive prefix,
1261 (interactive (gnus-article-hidden-arg))
1262 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1263 (not gnus-show-all-headers))
1266 (let ((buffer-read-only nil)
1267 (list gnus-boring-article-headers)
1268 (inhibit-point-motion-hooks t)
1270 (article-narrow-to-head)
1272 (setq elem (pop list))
1273 (goto-char (point-min))
1275 ;; Hide empty headers.
1277 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1279 (gnus-article-hide-text-type
1280 (progn (beginning-of-line) (point))
1283 (if (re-search-forward "^[^ \t]" nil t)
1287 ;; Hide boring Newsgroups header.
1288 ((eq elem 'newsgroups)
1289 (when (equal (gnus-fetch-field "newsgroups")
1290 (gnus-group-real-name
1291 (if (boundp 'gnus-newsgroup-name)
1294 (gnus-article-hide-header "newsgroups")))
1295 ((eq elem 'followup-to)
1296 (when (equal (message-fetch-field "followup-to")
1297 (message-fetch-field "newsgroups"))
1298 (gnus-article-hide-header "followup-to")))
1299 ((eq elem 'reply-to)
1300 (let ((from (message-fetch-field "from"))
1301 (reply-to (message-fetch-field "reply-to")))
1306 (nth 1 (funcall gnus-extract-address-components from))
1307 (nth 1 (funcall gnus-extract-address-components reply-to)))))
1308 (gnus-article-hide-header "reply-to"))))
1310 (let ((date (message-fetch-field "date")))
1312 (< (days-between (current-time-string) date)
1314 (gnus-article-hide-header "date"))))
1316 (let ((to (message-fetch-field "to"))
1317 (cc (message-fetch-field "cc")))
1318 (when (> (length to) 1024)
1319 (gnus-article-hide-header "to"))
1320 (when (> (length cc) 1024)
1321 (gnus-article-hide-header "cc"))))
1325 (goto-char (point-min))
1326 (while (re-search-forward "^to:" nil t)
1327 (setq to-count (1+ to-count)))
1328 (when (> to-count 1)
1329 (while (> to-count 0)
1330 (goto-char (point-min))
1332 (re-search-forward "^to:" nil nil to-count)
1334 (narrow-to-region (point) (point-max))
1335 (gnus-article-hide-header "to"))
1336 (setq to-count (1- to-count))))
1337 (goto-char (point-min))
1338 (while (re-search-forward "^cc:" nil t)
1339 (setq cc-count (1+ cc-count)))
1340 (when (> cc-count 1)
1341 (while (> cc-count 0)
1342 (goto-char (point-min))
1344 (re-search-forward "^cc:" nil nil cc-count)
1346 (narrow-to-region (point) (point-max))
1347 (gnus-article-hide-header "cc"))
1348 (setq cc-count (1- cc-count)))))))))))))
1350 (defun gnus-article-hide-header (header)
1352 (goto-char (point-min))
1353 (when (re-search-forward (concat "^" header ":") nil t)
1354 (gnus-article-hide-text-type
1355 (progn (beginning-of-line) (point))
1358 (if (re-search-forward "^[^ \t]" nil t)
1363 (defun article-toggle-headers (&optional arg)
1364 "Toggle hiding of headers. If given a negative prefix, always show;
1365 if given a positive prefix, always hide."
1366 (interactive (gnus-article-hidden-arg))
1367 (let ((force (when (numberp arg)
1368 (cond ((> arg 0) 'always-hide)
1369 ((< arg 0) 'always-show))))
1370 (window (get-buffer-window gnus-article-buffer))
1371 (header-end (point-min))
1372 header-start field-end field-start
1373 (inhibit-point-motion-hooks t)
1374 (inhibit-read-only t)
1378 (while (and (setq header-start
1379 (text-property-any header-end (point-max)
1380 'article-treated-header t))
1382 (text-property-not-all header-start (point-max)
1383 'article-treated-header t)))
1384 (setq field-end header-start)
1386 (;; Hide exposed invisible fields.
1387 (and (not (eq 'always-show force))
1389 (text-property-any field-end header-end
1390 'exposed-invisible-field t)))
1391 (while (and field-start
1392 (setq field-end (text-property-not-all
1393 field-start header-end
1394 'exposed-invisible-field t)))
1395 (add-text-properties field-start field-end gnus-hidden-properties)
1396 (setq field-start (text-property-any field-end header-end
1397 'exposed-invisible-field t)))
1398 (put-text-property header-start header-end
1399 'exposed-invisible-field nil))
1400 (;; Expose invisible fields.
1401 (and (not (eq 'always-hide force))
1403 (text-property-any field-end header-end 'invisible t)))
1404 (while (and field-start
1405 (setq field-end (text-property-not-all
1406 field-start header-end
1408 ;; If the invisible text is not terminated with newline, we
1409 ;; won't expose it. Because it may be created by x-face-mule.
1410 ;; BTW, XEmacs sometimes fail in putting a invisible text
1411 ;; property with `gnus-article-hide-text' (really?). In that
1412 ;; case, the invisible text might be started from the middle of
1413 ;; a line so we will expose the sort of thing.
1414 (when (or (not (or (eq header-start field-start)
1415 (eq ?\n (char-before field-start))))
1416 (eq ?\n (char-before field-end)))
1417 (remove-text-properties field-start field-end
1418 gnus-hidden-properties)
1419 (put-text-property field-start field-end
1420 'exposed-invisible-field t))
1421 (setq field-start (text-property-any field-end header-end
1424 (not (eq 'always-show force))
1425 (narrow-to-region header-start header-end)
1426 (article-hide-headers)
1427 ;; Re-display X-Face image under XEmacs.
1428 (when (and (featurep 'xemacs)
1429 (gnus-functionp gnus-article-x-face-command))
1430 (let ((func (cadr (assq 'gnus-treat-display-xface
1431 gnus-treatment-function-alist)))
1433 (when (and (not gnus-inhibit-treatment)
1435 (gnus-treat-predicate gnus-treat-display-xface))
1437 (put-text-property header-start header-end 'read-only nil))))
1440 (goto-char (point-min))
1442 (set-window-start window (point-min))))))
1444 (defvar gnus-article-normalized-header-length 40
1445 "Length of normalized headers.")
1447 (defun article-normalize-headers ()
1448 "Make all header lines 40 characters long."
1450 (let ((buffer-read-only nil)
1454 (article-narrow-to-head)
1457 ((< (setq column (- (gnus-point-at-eol) (point)))
1458 gnus-article-normalized-header-length)
1460 (insert (make-string
1461 (- gnus-article-normalized-header-length column)
1463 ((> column gnus-article-normalized-header-length)
1464 (gnus-put-text-property
1466 (forward-char gnus-article-normalized-header-length)
1473 (forward-line 1))))))
1475 (defun article-treat-dumbquotes ()
1476 "Translate M******** sm*rtq**t*s into proper text.
1477 Note that this function guesses whether a character is a sm*rtq**t* or
1478 not, so it should only be used interactively."
1480 (article-translate-strings gnus-article-dumbquotes-map))
1482 (defun article-translate-characters (from to)
1483 "Translate all characters in the body of the article according to FROM and TO.
1484 FROM is a string of characters to translate from; to is a string of
1485 characters to translate to."
1487 (when (article-goto-body)
1488 (let ((buffer-read-only nil)
1489 (x (make-string 225 ?x))
1491 (while (< (incf i) (length x))
1494 (while (< i (length from))
1495 (aset x (aref from i) (aref to i))
1497 (translate-region (point) (point-max) x)))))
1499 (defun article-translate-strings (map)
1500 "Translate all string in the body of the article according to MAP.
1501 MAP is an alist where the elements are on the form (\"from\" \"to\")."
1503 (when (article-goto-body)
1504 (let ((buffer-read-only nil)
1506 (while (setq elem (pop map))
1508 (while (search-forward (car elem) nil t)
1509 (replace-match (cadr elem)))))))))
1511 (defun article-treat-overstrike ()
1512 "Translate overstrikes into bold text."
1515 (when (article-goto-body)
1516 (let ((buffer-read-only nil))
1517 (while (search-forward "\b" nil t)
1518 (let ((next (char-after))
1522 previous (char-after))
1526 ;; We do the boldification/underlining by hiding the
1527 ;; overstrikes and putting the proper text property
1531 (gnus-article-hide-text-type start (point) 'overstrike)
1532 (put-text-property (point) end 'face 'bold))
1534 (gnus-article-hide-text-type
1535 (1- (point)) (1+ (point)) 'overstrike)
1537 start (1- (point)) 'face 'underline))
1539 (gnus-article-hide-text-type start (point) 'overstrike)
1541 (point) end 'face 'underline)))))))))
1543 (defun article-fill-long-lines ()
1544 "Fill lines that are wider than the window width."
1547 (let ((buffer-read-only nil)
1548 (width (window-width (get-buffer-window (current-buffer)))))
1551 (let ((adaptive-fill-mode nil))
1554 (when (>= (current-column) (min fill-column width))
1555 (narrow-to-region (point) (gnus-point-at-bol))
1556 (fill-paragraph nil)
1557 (goto-char (point-max))
1559 (forward-line 1)))))))
1561 (defun article-capitalize-sentences ()
1562 "Capitalize the first word in each sentence."
1565 (let ((buffer-read-only nil)
1566 (paragraph-start "^[\n\^L]"))
1570 (forward-sentence)))))
1572 (defun article-remove-cr ()
1573 "Remove trailing CRs and then translate remaining CRs into LFs."
1576 (let ((buffer-read-only nil))
1577 (goto-char (point-min))
1578 (while (re-search-forward "\r+$" nil t)
1579 (replace-match "" t t))
1580 (goto-char (point-min))
1581 (while (search-forward "\r" nil t)
1582 (replace-match "\n" t t)))))
1584 (defun article-remove-trailing-blank-lines ()
1585 "Remove all trailing blank lines from the article."
1588 (let ((buffer-read-only nil))
1589 (goto-char (point-max))
1593 (while (and (not (bobp))
1594 (looking-at "^[ \t]*$")
1595 (not (gnus-annotation-in-region-p
1596 (point) (gnus-point-at-eol))))
1601 (defun article-display-x-face (&optional force)
1602 "Look for an X-Face header and display it if present."
1603 (interactive (list 'force))
1605 ;; Delete the old process, if any.
1606 (when (process-status "article-x-face")
1607 (delete-process "article-x-face"))
1608 (let ((inhibit-point-motion-hooks t)
1609 (case-fold-search t)
1612 (article-narrow-to-head)
1613 (goto-char (point-min))
1614 (setq from (message-fetch-field "from"))
1615 (goto-char (point-min))
1616 (while (and gnus-article-x-face-command
1619 ;; Check whether this face is censored.
1620 (not gnus-article-x-face-too-ugly)
1621 (and gnus-article-x-face-too-ugly from
1622 (not (string-match gnus-article-x-face-too-ugly
1624 ;; Has to be present.
1625 (re-search-forward "^X-Face:[ \t]*" nil t))
1626 ;; This used to try to do multiple faces (`while' instead of
1627 ;; `when' above), but (a) sending multiple EOFs to xv doesn't
1628 ;; work (b) it can crash some versions of Emacs (c) are
1629 ;; multiple faces really something to encourage?
1630 (when (stringp gnus-article-x-face-command)
1632 ;; We now have the area of the buffer where the X-Face is stored.
1635 (end (1- (re-search-forward "^\\($\\|[^ \t]\\)" nil t))))
1636 ;; We display the face.
1637 (if (symbolp gnus-article-x-face-command)
1638 ;; The command is a lisp function, so we call it.
1639 (if (gnus-functionp gnus-article-x-face-command)
1640 (funcall gnus-article-x-face-command beg end)
1641 (error "%s is not a function" gnus-article-x-face-command))
1642 ;; The command is a string, so we interpret the command
1643 ;; as a, well, command, and fork it off.
1644 (let ((process-connection-type nil))
1645 (process-kill-without-query
1647 "article-x-face" nil shell-file-name shell-command-switch
1648 gnus-article-x-face-command))
1649 (process-send-region "article-x-face" beg end)
1650 (process-send-eof "article-x-face"))))))))))
1652 (defun article-decode-mime-words ()
1653 "Decode all MIME-encoded words in the article."
1656 (set-buffer gnus-article-buffer)
1657 (let ((inhibit-point-motion-hooks t)
1659 (mail-parse-charset gnus-newsgroup-charset)
1660 (mail-parse-ignored-charsets
1661 (save-excursion (set-buffer gnus-summary-buffer)
1662 gnus-newsgroup-ignored-charsets)))
1663 (mail-decode-encoded-word-region (point-min) (point-max)))))
1665 (defun article-decode-charset (&optional prompt)
1666 "Decode charset-encoded text in the article.
1667 If PROMPT (the prefix), prompt for a coding system to use."
1669 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
1671 (mail-parse-charset gnus-newsgroup-charset)
1672 (mail-parse-ignored-charsets
1673 (save-excursion (condition-case nil
1674 (set-buffer gnus-summary-buffer)
1676 gnus-newsgroup-ignored-charsets))
1677 ct cte ctl charset format)
1680 (article-narrow-to-head)
1681 (setq ct (message-fetch-field "Content-Type" t)
1682 cte (message-fetch-field "Content-Transfer-Encoding" t)
1683 ctl (and ct (ignore-errors
1684 (mail-header-parse-content-type ct)))
1687 (mm-read-coding-system "Charset to decode: "))
1689 (mail-content-type-get ctl 'charset)))
1690 format (and ctl (mail-content-type-get ctl 'format)))
1692 (setq cte (mail-header-strip cte)))
1693 (if (and ctl (not (string-match "/" (car ctl))))
1695 (goto-char (point-max)))
1698 (narrow-to-region (point) (point-max))
1699 (when (and (eq mail-parse-charset 'gnus-decoded)
1700 (eq (mm-body-7-or-8) '8bit))
1701 ;; The text code could have been decoded.
1702 (setq charset mail-parse-charset))
1703 (when (and (or (not ctl)
1704 (equal (car ctl) "text/plain"))
1705 (not format)) ;; article with format will decode later.
1707 charset (and cte (intern (downcase
1708 (gnus-strip-whitespace cte))))
1711 (defun article-decode-encoded-words ()
1712 "Remove encoded-word encoding from headers."
1713 (let (buffer-read-only)
1714 (let ((charset (save-excursion
1715 (set-buffer gnus-summary-buffer)
1716 default-mime-charset)))
1717 (mime-decode-header-in-buffer charset)
1720 (defun article-de-quoted-unreadable (&optional force)
1721 "Translate a quoted-printable-encoded article.
1722 If FORCE, decode the article whether it is marked as quoted-printable
1724 (interactive (list 'force))
1726 (let ((buffer-read-only nil) type charset)
1727 (if (gnus-buffer-live-p gnus-original-article-buffer)
1728 (with-current-buffer gnus-original-article-buffer
1730 (gnus-fetch-field "content-transfer-encoding"))
1731 (let* ((ct (gnus-fetch-field "content-type"))
1734 (mail-header-parse-content-type ct)))))
1735 (setq charset (and ctl
1736 (mail-content-type-get ctl 'charset)))
1737 (if (stringp charset)
1738 (setq charset (intern (downcase charset)))))))
1740 (setq charset gnus-newsgroup-charset))
1742 (and type (let ((case-fold-search t))
1743 (string-match "quoted-printable" type))))
1745 (quoted-printable-decode-region
1746 (point) (point-max) (mm-charset-to-coding-system charset))))))
1748 (defun article-de-base64-unreadable (&optional force)
1749 "Translate a base64 article.
1750 If FORCE, decode the article whether it is marked as base64 not."
1751 (interactive (list 'force))
1753 (let ((buffer-read-only nil) type charset)
1754 (if (gnus-buffer-live-p gnus-original-article-buffer)
1755 (with-current-buffer gnus-original-article-buffer
1757 (gnus-fetch-field "content-transfer-encoding"))
1758 (let* ((ct (gnus-fetch-field "content-type"))
1761 (mail-header-parse-content-type ct)))))
1762 (setq charset (and ctl
1763 (mail-content-type-get ctl 'charset)))
1764 (if (stringp charset)
1765 (setq charset (intern (downcase charset)))))))
1767 (setq charset gnus-newsgroup-charset))
1769 (and type (let ((case-fold-search t))
1770 (string-match "base64" type))))
1773 (narrow-to-region (point) (point-max))
1774 (base64-decode-region (point-min) (point-max))
1775 (mm-decode-coding-region
1776 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
1781 (defun article-decode-HZ ()
1782 "Translate a HZ-encoded article."
1786 (let ((buffer-read-only nil))
1787 (rfc1843-decode-region (point-min) (point-max)))))
1789 (defun article-wash-html ()
1790 "Format an html article."
1793 (let ((buffer-read-only nil)
1795 (if (gnus-buffer-live-p gnus-original-article-buffer)
1796 (with-current-buffer gnus-original-article-buffer
1797 (let* ((ct (gnus-fetch-field "content-type"))
1800 (mail-header-parse-content-type ct)))))
1801 (setq charset (and ctl
1802 (mail-content-type-get ctl 'charset)))
1803 (if (stringp charset)
1804 (setq charset (intern (downcase charset)))))))
1806 (setq charset gnus-newsgroup-charset))
1808 (save-window-excursion
1810 (narrow-to-region (point) (point-max))
1812 (let ((w3-strict-width (window-width))
1813 (url-standalone-mode t))
1815 (w3-region (point-min) (point-max))
1818 (defun article-hide-list-identifiers ()
1819 "Remove list identifies from the Subject header.
1820 The `gnus-list-identifiers' variable specifies what to do."
1824 (let ((inhibit-point-motion-hooks t)
1826 (article-narrow-to-head)
1827 (let ((regexp (if (stringp gnus-list-identifiers) gnus-list-identifiers
1828 (mapconcat 'identity gnus-list-identifiers " *\\|"))))
1830 (goto-char (point-min))
1831 (when (re-search-forward
1832 (concat "^Subject: +\\(\\(\\(Re: +\\)?\\(" regexp
1833 " *\\)\\)+\\(Re: +\\)?\\)")
1835 (let ((s (or (match-string 3) (match-string 5))))
1836 (delete-region (match-beginning 1) (match-end 1))
1838 (goto-char (match-beginning 1))
1841 (defun article-hide-pgp ()
1842 "Remove any PGP headers and signatures in the current article."
1846 (let ((inhibit-point-motion-hooks t)
1847 buffer-read-only beg end)
1849 ;; Hide the "header".
1850 (when (re-search-forward "^-----BEGIN PGP SIGNED MESSAGE-----\n" nil t)
1851 (push 'pgp gnus-article-wash-types)
1852 (delete-region (match-beginning 0) (match-end 0))
1853 ;; Remove armor headers (rfc2440 6.2)
1854 (delete-region (point) (or (re-search-forward "^[ \t]*\n" nil t)
1857 ;; Hide the actual signature.
1858 (and (search-forward "\n-----BEGIN PGP SIGNATURE-----\n" nil t)
1859 (setq end (1+ (match-beginning 0)))
1862 (if (search-forward "\n-----END PGP SIGNATURE-----\n" nil t)
1864 ;; Perhaps we shouldn't hide to the end of the buffer
1865 ;; if there is no end to the signature?
1867 ;; Hide "- " PGP quotation markers.
1869 (narrow-to-region beg end)
1870 (goto-char (point-min))
1871 (while (re-search-forward "^- " nil t)
1873 (match-beginning 0) (match-end 0)))
1875 (gnus-run-hooks 'gnus-article-hide-pgp-hook))))))
1877 (defun article-hide-pem (&optional arg)
1878 "Toggle hiding of any PEM headers and signatures in the current article.
1879 If given a negative prefix, always show; if given a positive prefix,
1881 (interactive (gnus-article-hidden-arg))
1882 (unless (gnus-article-check-hidden-text 'pem arg)
1884 (let (buffer-read-only end)
1885 (goto-char (point-min))
1886 ;; Hide the horrendously ugly "header".
1887 (when (and (search-forward
1888 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
1890 (setq end (1+ (match-beginning 0))))
1891 (push 'pem gnus-article-wash-types)
1892 (gnus-article-hide-text-type
1894 (if (search-forward "\n\n" nil t)
1898 ;; Hide the trailer as well
1899 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
1901 (gnus-article-hide-text-type
1902 (match-beginning 0) (match-end 0) 'pem)))))))
1904 (defun article-strip-banner ()
1905 "Strip the banner specified by the `banner' group parameter."
1909 (let ((inhibit-point-motion-hooks t)
1910 (banner (gnus-group-find-parameter gnus-newsgroup-name 'banner))
1911 (gnus-signature-limit nil)
1912 buffer-read-only beg end)
1916 ((eq banner 'signature)
1917 (when (gnus-article-narrow-to-signature)
1920 (delete-region (point) (point-max))))
1922 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
1923 (while (re-search-forward banner nil t)
1924 (delete-region (match-beginning 0) (match-end 0)))))
1926 (while (re-search-forward banner nil t)
1927 (delete-region (match-beginning 0) (match-end 0))))))))))
1929 (defun article-babel ()
1930 "Translate article using an online translation service."
1934 (set-buffer gnus-article-buffer)
1935 (when (article-goto-body)
1936 (let* ((buffer-read-only nil)
1939 (orig (buffer-substring start end))
1940 (trans (babel-as-string orig)))
1942 (narrow-to-region start end)
1943 (delete-region start end)
1946 (defun article-hide-signature (&optional arg)
1947 "Hide the signature in the current article.
1948 If given a negative prefix, always show; if given a positive prefix,
1950 (interactive (gnus-article-hidden-arg))
1956 (article-goto-body))
1957 (goto-char (point-min)))
1958 (unless (gnus-article-check-hidden-text 'signature arg)
1959 (let ((buffer-read-only nil)
1961 (while (setq button (text-property-any button (point-max)
1963 'gnus-signature-toggle))
1964 (setq button (text-property-not-all button (point-max)
1966 'gnus-signature-toggle))
1967 (when (and button (not (eobp)))
1968 (gnus-article-hide-text-type
1970 (next-single-property-change (1+ button) 'mime-view-entity
1974 (defun article-strip-headers-in-body ()
1975 "Strip offensive headers from bodies."
1979 (let ((case-fold-search t))
1980 (when (looking-at "x-no-archive:")
1981 (gnus-delete-line)))))
1983 (defun article-strip-leading-blank-lines ()
1984 "Remove all blank lines from the beginning of the article."
1987 (let ((inhibit-point-motion-hooks t)
1989 (when (article-goto-body)
1990 (while (and (not (eobp))
1991 (looking-at "[ \t]*$"))
1992 (gnus-delete-line))))))
1994 (defun article-narrow-to-head ()
1995 "Narrow the buffer to the head of the message.
1996 Point is left at the beginning of the narrowed-to region."
1998 (goto-char (point-min))
1999 (if (search-forward "\n\n" nil 1)
2002 (goto-char (point-min)))
2004 (defun article-goto-body ()
2005 "Place point at the start of the body."
2006 (goto-char (point-min))
2008 ;; This variable is only bound when dealing with separate
2010 (article-goto-body-goes-to-point-min-p
2012 ((search-forward "\n\n" nil t)
2015 (goto-char (point-max))
2018 (defun article-strip-multiple-blank-lines ()
2019 "Replace consecutive blank lines with one empty line."
2022 (let ((inhibit-point-motion-hooks t)
2024 ;; First make all blank lines empty.
2026 (while (re-search-forward "^[ \t]+$" nil t)
2027 (unless (gnus-annotation-in-region-p
2028 (match-beginning 0) (match-end 0))
2029 (replace-match "" nil t)))
2030 ;; Then replace multiple empty lines with a single empty line.
2032 (while (re-search-forward "\n\n\n+" nil t)
2033 (unless (gnus-annotation-in-region-p
2034 (match-beginning 0) (match-end 0))
2035 (replace-match "\n\n" t t))))))
2037 (defun article-strip-leading-space ()
2038 "Remove all white space from the beginning of the lines in the article."
2041 (let ((inhibit-point-motion-hooks t)
2044 (while (re-search-forward "^[ \t]+" nil t)
2045 (replace-match "" t t)))))
2047 (defun article-strip-trailing-space ()
2048 "Remove all white space from the end of the lines in the article."
2051 (let ((inhibit-point-motion-hooks t)
2054 (while (re-search-forward "[ \t]+$" nil t)
2055 (replace-match "" t t)))))
2057 (defun article-strip-blank-lines ()
2058 "Strip leading, trailing and multiple blank lines."
2060 (article-strip-leading-blank-lines)
2061 (article-remove-trailing-blank-lines)
2062 (article-strip-multiple-blank-lines))
2064 (defun article-strip-all-blank-lines ()
2065 "Strip all blank lines."
2068 (let ((inhibit-point-motion-hooks t)
2071 (while (re-search-forward "^[ \t]*\n" nil t)
2072 (replace-match "" t t)))))
2074 (defun gnus-article-narrow-to-signature ()
2075 "Narrow to the signature; return t if a signature is found, else nil."
2076 (let ((inhibit-point-motion-hooks t))
2077 (when (gnus-article-search-signature)
2079 ;; Check whether we have some limits to what we consider
2080 ;; to be a signature.
2081 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2082 (list gnus-signature-limit)))
2084 (while (setq limit (pop limits))
2085 (if (or (and (integerp limit)
2086 (< (- (point-max) (point)) limit))
2088 (< (count-lines (point) (point-max)) limit))
2089 (and (gnus-functionp limit)
2091 (and (stringp limit)
2092 (not (re-search-forward limit nil t))))
2093 () ; This limit did not succeed.
2097 (narrow-to-region (point) (point-max))
2100 (defun gnus-article-search-signature ()
2101 "Search the current buffer for the signature separator.
2102 Put point at the beginning of the signature separator."
2103 (let ((cur (point)))
2104 (goto-char (point-max))
2105 (if (if (stringp gnus-signature-separator)
2106 (re-search-backward gnus-signature-separator nil t)
2107 (let ((seps gnus-signature-separator))
2109 (not (re-search-backward (car seps) nil t)))
2116 (defun gnus-article-hidden-arg ()
2117 "Return the current prefix arg as a number, or 0 if no prefix."
2118 (list (if current-prefix-arg
2119 (prefix-numeric-value current-prefix-arg)
2122 (defun gnus-article-check-hidden-text (type arg)
2123 "Return nil if hiding is necessary.
2124 Arg can be nil or a number. Nil and positive means hide, negative
2125 means show, 0 means toggle."
2128 (let ((hide (gnus-article-hidden-text-p type)))
2134 (gnus-article-show-hidden-text type))
2136 (if (eq hide 'hidden)
2137 (gnus-article-show-hidden-text type)
2140 (defun gnus-article-hidden-text-p (type)
2141 "Say whether the current buffer contains hidden text of type TYPE."
2142 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2144 (not (get-text-property pos 'invisible))
2145 (not (get-text-property pos 'dummy-invisible)))
2147 (text-property-any (1+ pos) (point-max) 'article-type type)))
2152 (defun gnus-article-show-hidden-text (type &optional hide)
2153 "Show all hidden text of type TYPE.
2154 If HIDE, hide the text instead."
2156 (let ((buffer-read-only nil)
2157 (inhibit-point-motion-hooks t)
2160 (while (setq beg (text-property-any end (point-max) 'article-type type))
2163 (text-property-not-all beg (point-max) 'article-type type)
2166 (gnus-article-hide-text beg end gnus-hidden-properties)
2167 (gnus-article-unhide-text beg end))
2171 (defconst article-time-units
2172 `((year . ,(* 365.25 24 60 60))
2173 (week . ,(* 7 24 60 60))
2174 (day . ,(* 24 60 60))
2178 "Mapping from time units to seconds.")
2180 (defun article-date-ut (&optional type highlight header)
2181 "Convert DATE date to universal time in the current article.
2182 If TYPE is `local', convert to local time; if it is `lapsed', output
2183 how much time has lapsed since DATE. For `lapsed', the value of
2184 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2185 should replace the \"Date:\" one, or should be added below it."
2186 (interactive (list 'ut t))
2187 (let* ((header (or header
2188 (and (eq 1 (point-min))
2189 (mail-header-date (save-excursion
2190 (set-buffer gnus-summary-buffer)
2191 gnus-current-headers)))
2192 (message-fetch-field "date")
2194 (date (if (vectorp header) (mail-header-date header)
2196 (inhibit-point-motion-hooks t)
2197 bface eface date-pos)
2198 (when (and date (not (string= date "")))
2201 (article-narrow-to-head)
2202 (when (or (and (eq type 'lapsed)
2203 gnus-article-date-lapsed-new-header
2204 ;; Attempt to get the face of X-Sent first.
2205 (re-search-forward "^X-Sent:[ \t]" nil t))
2206 (re-search-forward "^Date:[ \t]" nil t)
2207 ;; If Date is missing, try again for X-Sent.
2208 (re-search-forward "^X-Sent:[ \t]" nil t))
2209 (setq bface (get-text-property (gnus-point-at-bol) 'face)
2210 date (or (get-text-property (gnus-point-at-bol)
2213 eface (get-text-property (1- (gnus-point-at-eol))
2215 (let ((buffer-read-only nil))
2216 ;; Delete any old X-Sent headers.
2217 (when (setq date-pos
2218 (text-property-any (point-min) (point-max)
2219 'article-date-lapsed t))
2220 (goto-char (setq date-pos (set-marker (make-marker) date-pos)))
2221 (delete-region (match-beginning 0)
2222 (progn (forward-line 1) (point))))
2223 (goto-char (point-min))
2224 ;; Delete any old Date headers.
2225 (while (re-search-forward "^Date:[ \t]" nil t)
2227 (setq date-pos (match-beginning 0)))
2228 (unless (and (eq type 'lapsed)
2229 gnus-article-date-lapsed-new-header)
2230 (delete-region (match-beginning 0)
2231 (progn (message-next-header) (point)))))
2234 (goto-char date-pos)
2236 ;; Possibly, Date has been deleted.
2238 (when (and (eq type 'lapsed)
2239 gnus-article-date-lapsed-new-header
2240 (looking-at "Date:"))
2242 (goto-char (point-min)))
2243 (insert (article-make-date-line date type))
2244 (when (eq type 'lapsed)
2245 (put-text-property (gnus-point-at-bol) (point)
2246 'article-date-lapsed t))
2250 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
2251 (put-text-property (match-beginning 1) (1+ (match-end 1))
2252 'original-date date)
2253 (put-text-property (match-beginning 1) (1+ (match-end 1))
2255 (put-text-property (match-beginning 2) (match-end 2)
2258 (defun article-make-date-line (date type)
2259 "Return a DATE line of TYPE."
2260 (let ((time (condition-case ()
2264 ;; Convert to the local timezone. We have to slap a
2265 ;; `condition-case' round the calls to the timezone
2266 ;; functions since they aren't particularly resistant to
2269 (let ((tz (car (current-time-zone time))))
2270 (format "Date: %s %s%02d%02d" (current-time-string time)
2271 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2272 (/ (% (abs tz) 3600) 60))))
2273 ;; Convert to Universal Time.
2276 (current-time-string
2277 (let* ((e (parse-time-string date))
2278 (tm (apply 'encode-time e))
2280 (ls (- (cadr tm) (car (current-time-zone time)))))
2281 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
2282 ((> ls 65535) (list (1+ ms) (- ls 65536)))
2285 ;; Get the original date from the article.
2286 ((eq type 'original)
2287 (concat "Date: " (if (string-match "\n+$" date)
2288 (substring date 0 (match-beginning 0))
2290 ;; Let the user define the format.
2292 (if (gnus-functionp gnus-article-time-format)
2293 (funcall gnus-article-time-format time)
2296 (format-time-string gnus-article-time-format time))))
2299 (let ((tz (car (current-time-zone time))))
2302 (format-time-string "%Y%m%dT%H%M%S" time)
2303 (format "%s%02d%02d"
2304 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2305 (/ (% (abs tz) 3600) 60)))))
2306 ;; Do an X-Sent lapsed format.
2308 ;; If the date is seriously mangled, the timezone functions are
2309 ;; liable to bug out, so we ignore all errors.
2310 (let* ((now (current-time))
2311 (real-time (subtract-time now time))
2312 (real-sec (and real-time
2313 (+ (* (float (car real-time)) 65536)
2315 (sec (and real-time (abs real-sec)))
2325 ;; This is a bit convoluted, but basically we go
2326 ;; through the time units for years, weeks, etc,
2327 ;; and divide things to see whether that results
2328 ;; in positive answers.
2331 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
2332 ;; The (remaining) seconds are too few to
2333 ;; be divided into this time unit.
2335 ;; It's big enough, so we output it.
2336 (setq sec (- sec (* num (cdr unit))))
2338 (concat (if prev ", " "") (int-to-string
2340 " " (symbol-name (car unit))
2341 (if (> num 1) "s" ""))
2343 article-time-units "")
2344 ;; If dates are odd, then it might appear like the
2345 ;; article was sent in the future.
2348 " in the future"))))))
2350 (error "Unknown conversion type: %s" type)))))
2352 (defun article-date-local (&optional highlight)
2353 "Convert the current article date to the local timezone."
2354 (interactive (list t))
2355 (article-date-ut 'local highlight))
2357 (defun article-date-original (&optional highlight)
2358 "Convert the current article date to what it was originally.
2359 This is only useful if you have used some other date conversion
2360 function and want to see what the date was before converting."
2361 (interactive (list t))
2362 (article-date-ut 'original highlight))
2364 (defun article-date-lapsed (&optional highlight)
2365 "Convert the current article date to time lapsed since it was sent."
2366 (interactive (list t))
2367 (article-date-ut 'lapsed highlight))
2369 (defun article-update-date-lapsed ()
2370 "Function to be run from a timer to update the lapsed time line."
2371 (let (deactivate-mark)
2376 (set-buffer (window-buffer w))
2377 (when (eq major-mode 'gnus-article-mode)
2378 (goto-char (point-min))
2379 (when (re-search-forward "^X-Sent:" nil t)
2380 (article-date-lapsed t))))
2383 (defun gnus-start-date-timer (&optional n)
2384 "Start a timer to update the X-Sent header in the article buffers.
2385 The numerical prefix says how frequently (in seconds) the function
2390 (gnus-stop-date-timer)
2391 (setq article-lapsed-timer
2392 (nnheader-run-at-time 1 n 'article-update-date-lapsed)))
2394 (defun gnus-stop-date-timer ()
2395 "Stop the X-Sent timer."
2397 (when article-lapsed-timer
2398 (nnheader-cancel-timer article-lapsed-timer)
2399 (setq article-lapsed-timer nil)))
2401 (defun article-date-user (&optional highlight)
2402 "Convert the current article date to the user-defined format.
2403 This format is defined by the `gnus-article-time-format' variable."
2404 (interactive (list t))
2405 (article-date-ut 'user highlight))
2407 (defun article-date-iso8601 (&optional highlight)
2408 "Convert the current article date to ISO8601."
2409 (interactive (list t))
2410 (article-date-ut 'iso8601 highlight))
2412 (defun article-show-all ()
2413 "Show all hidden text in the article buffer."
2417 (let ((buffer-read-only nil))
2418 (gnus-article-unhide-text (point-min) (point-max))
2419 (gnus-remove-text-with-property 'gnus-prev)
2420 (gnus-remove-text-with-property 'gnus-next))))
2422 (defun article-show-all-headers ()
2423 "Show all hidden headers in the article buffer."
2428 (article-narrow-to-head)
2429 (let ((buffer-read-only nil))
2430 (gnus-article-unhide-text (point-min) (point-max))))))
2432 (defun article-emphasize (&optional arg)
2433 "Emphasize text according to `gnus-emphasis-alist'."
2434 (interactive (gnus-article-hidden-arg))
2435 (unless (gnus-article-check-hidden-text 'emphasis arg)
2439 (with-current-buffer gnus-summary-buffer
2440 gnus-article-emphasis-alist)
2442 gnus-emphasis-alist))
2443 (buffer-read-only nil)
2444 (props (append '(article-type emphasis)
2445 gnus-hidden-properties))
2446 regexp elem beg invisible visible face)
2449 (while (setq elem (pop alist))
2451 (setq regexp (car elem)
2452 invisible (nth 1 elem)
2453 visible (nth 2 elem)
2455 (while (re-search-forward regexp nil t)
2456 (when (and (match-beginning visible) (match-beginning invisible))
2457 (push 'emphasis gnus-article-wash-types)
2458 (gnus-article-hide-text
2459 (match-beginning invisible) (match-end invisible) props)
2460 (gnus-article-unhide-text-type
2461 (match-beginning visible) (match-end visible) 'emphasis)
2462 (gnus-put-text-property-excluding-newlines
2463 (match-beginning visible) (match-end visible) 'face face)
2464 (goto-char (match-end invisible)))))))))
2466 (defun gnus-article-setup-highlight-words (&optional highlight-words)
2467 "Setup newsgroup emphasis alist."
2468 (unless gnus-article-emphasis-alist
2469 (let ((name (and gnus-newsgroup-name
2470 (gnus-group-real-name gnus-newsgroup-name))))
2471 (make-local-variable 'gnus-article-emphasis-alist)
2472 (setq gnus-article-emphasis-alist
2474 (let ((alist gnus-group-highlight-words-alist) elem highlight)
2475 (while (setq elem (pop alist))
2476 (when (and name (string-match (car elem) name))
2478 highlight (copy-sequence (cdr elem)))))
2480 (copy-sequence highlight-words)
2481 (if gnus-newsgroup-name
2482 (copy-sequence (gnus-group-find-parameter
2483 gnus-newsgroup-name 'highlight-words t)))
2484 gnus-emphasis-alist)))))
2486 (defvar gnus-summary-article-menu)
2487 (defvar gnus-summary-post-menu)
2489 ;;; Saving functions.
2491 (defun gnus-article-save (save-buffer file &optional num)
2492 "Save the currently selected article."
2493 (unless gnus-save-all-headers
2494 ;; Remove headers according to `gnus-saved-headers'.
2495 (let ((gnus-visible-headers
2496 (or gnus-saved-headers gnus-visible-headers))
2497 (gnus-article-buffer save-buffer))
2499 (set-buffer save-buffer)
2500 (article-hide-headers 1 t))))
2501 (save-window-excursion
2502 (if (not gnus-default-article-saver)
2503 (error "No default saver is defined")
2504 ;; !!! Magic! The saving functions all save
2505 ;; `gnus-save-article-buffer' (or so they think), but we
2506 ;; bind that variable to our save-buffer.
2507 (set-buffer gnus-article-buffer)
2508 (let* ((gnus-save-article-buffer save-buffer)
2511 ((not gnus-prompt-before-saving) 'default)
2512 ((eq gnus-prompt-before-saving 'always) nil)
2514 (gnus-number-of-articles-to-be-saved
2515 (when (eq gnus-prompt-before-saving t)
2517 (set-buffer gnus-article-current-summary)
2518 (funcall gnus-default-article-saver filename)))))
2520 (defun gnus-read-save-file-name (prompt &optional filename
2521 function group headers variable)
2523 (funcall function group headers (symbol-value variable)))
2528 ((eq filename 'default)
2534 (let* ((split-name (gnus-get-split-value gnus-split-methods))
2537 (if (and gnus-number-of-articles-to-be-saved
2538 (> gnus-number-of-articles-to-be-saved 1))
2539 (format "these %d articles"
2540 gnus-number-of-articles-to-be-saved)
2543 ;; Let the split methods have their say.
2545 ;; No split name was found.
2548 (concat prompt " (default "
2549 (file-name-nondirectory default-name) ") ")
2550 (file-name-directory default-name)
2552 ;; A single group name is returned.
2553 ((stringp split-name)
2555 (funcall function split-name headers
2556 (symbol-value variable)))
2558 (concat prompt " (default "
2559 (file-name-nondirectory default-name) ") ")
2560 (file-name-directory default-name)
2562 ;; A single split name was found
2563 ((= 1 (length split-name))
2564 (let* ((name (expand-file-name
2566 gnus-article-save-directory))
2567 (dir (cond ((file-directory-p name)
2568 (file-name-as-directory name))
2569 ((file-exists-p name) name)
2570 (t gnus-article-save-directory))))
2572 (concat prompt " (default " name ") ")
2574 ;; A list of splits was found.
2576 (setq split-name (nreverse split-name))
2578 (let ((file-name-history
2579 (nconc split-name file-name-history)))
2583 (concat prompt " (`M-p' for defaults) ")
2584 gnus-article-save-directory
2586 gnus-article-save-directory)))
2587 (car (push result file-name-history)))))))
2588 ;; Create the directory.
2589 (gnus-make-directory (file-name-directory file))
2590 ;; If we have read a directory, we append the default file name.
2591 (when (file-directory-p file)
2592 (setq file (expand-file-name (file-name-nondirectory
2594 (file-name-as-directory file))))
2595 ;; Possibly translate some characters.
2596 (nnheader-translate-file-chars file))))))
2597 (gnus-make-directory (file-name-directory result))
2598 (set variable result)))
2600 (defun gnus-article-archive-name (group)
2601 "Return the first instance of an \"Archive-name\" in the current buffer."
2602 (let ((case-fold-search t))
2603 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
2604 (nnheader-concat gnus-article-save-directory
2605 (match-string 1)))))
2607 (defun gnus-article-nndoc-name (group)
2608 "If GROUP is an nndoc group, return the name of the parent group."
2609 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
2610 (gnus-group-get-parameter group 'save-article-group)))
2612 (defun gnus-summary-save-in-rmail (&optional filename)
2613 "Append this article to Rmail file.
2614 Optional argument FILENAME specifies file name.
2615 Directory to save to is default to `gnus-article-save-directory'."
2616 (setq filename (gnus-read-save-file-name
2617 "Save %s in rmail file:" filename
2618 gnus-rmail-save-name gnus-newsgroup-name
2619 gnus-current-headers 'gnus-newsgroup-last-rmail))
2620 (gnus-eval-in-buffer-window gnus-save-article-buffer
2624 (gnus-output-to-rmail filename))))
2627 (defun gnus-summary-save-in-mail (&optional filename)
2628 "Append this article to Unix mail file.
2629 Optional argument FILENAME specifies file name.
2630 Directory to save to is default to `gnus-article-save-directory'."
2631 (setq filename (gnus-read-save-file-name
2632 "Save %s in Unix mail file:" filename
2633 gnus-mail-save-name gnus-newsgroup-name
2634 gnus-current-headers 'gnus-newsgroup-last-mail))
2635 (gnus-eval-in-buffer-window gnus-save-article-buffer
2639 (if (and (file-readable-p filename)
2640 (mail-file-babyl-p filename))
2641 (rmail-output-to-rmail-file filename t)
2642 (gnus-output-to-mail filename)))))
2645 (defun gnus-summary-save-in-file (&optional filename overwrite)
2646 "Append this article to file.
2647 Optional argument FILENAME specifies file name.
2648 Directory to save to is default to `gnus-article-save-directory'."
2649 (setq filename (gnus-read-save-file-name
2650 "Save %s in file:" filename
2651 gnus-file-save-name gnus-newsgroup-name
2652 gnus-current-headers 'gnus-newsgroup-last-file))
2653 (gnus-eval-in-buffer-window gnus-save-article-buffer
2657 (when (and overwrite
2658 (file-exists-p filename))
2659 (delete-file filename))
2660 (gnus-output-to-file filename))))
2663 (defun gnus-summary-write-to-file (&optional filename)
2664 "Write this article to a file.
2665 Optional argument FILENAME specifies file name.
2666 The directory to save in defaults to `gnus-article-save-directory'."
2667 (gnus-summary-save-in-file nil t))
2669 (defun gnus-summary-save-body-in-file (&optional filename)
2670 "Append this article body to a file.
2671 Optional argument FILENAME specifies file name.
2672 The directory to save in defaults to `gnus-article-save-directory'."
2673 (setq filename (gnus-read-save-file-name
2674 "Save %s body in file:" filename
2675 gnus-file-save-name gnus-newsgroup-name
2676 gnus-current-headers 'gnus-newsgroup-last-file))
2677 (gnus-eval-in-buffer-window gnus-save-article-buffer
2681 (when (article-goto-body)
2682 (narrow-to-region (point) (point-max)))
2683 (gnus-output-to-file filename))))
2686 (defun gnus-summary-save-in-pipe (&optional command)
2687 "Pipe this article to subprocess."
2689 (cond ((and (eq command 'default)
2690 gnus-last-shell-command)
2691 gnus-last-shell-command)
2695 "Shell command on %s: "
2696 (if (and gnus-number-of-articles-to-be-saved
2697 (> gnus-number-of-articles-to-be-saved 1))
2698 (format "these %d articles"
2699 gnus-number-of-articles-to-be-saved)
2701 gnus-last-shell-command))))
2702 (when (string-equal command "")
2703 (setq command gnus-last-shell-command))
2704 (gnus-eval-in-buffer-window gnus-article-buffer
2707 (shell-command-on-region (point-min) (point-max) command nil)))
2708 (setq gnus-last-shell-command command))
2710 ;;; Article file names when saving.
2712 (defun gnus-capitalize-newsgroup (newsgroup)
2713 "Capitalize NEWSGROUP name."
2714 (when (not (zerop (length newsgroup)))
2715 (concat (char-to-string (upcase (aref newsgroup 0)))
2716 (substring newsgroup 1))))
2718 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
2719 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
2720 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
2721 Otherwise, it is like ~/News/news/group/num."
2724 (concat (if (gnus-use-long-file-name 'not-save)
2725 (gnus-capitalize-newsgroup newsgroup)
2726 (gnus-newsgroup-directory-form newsgroup))
2727 "/" (int-to-string (mail-header-number headers)))
2728 gnus-article-save-directory)))
2730 (string-equal (file-name-directory default)
2731 (file-name-directory last-file))
2732 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
2734 (or last-file default))))
2736 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
2737 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
2738 If variable `gnus-use-long-file-name' is non-nil, it is
2739 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
2742 (concat (if (gnus-use-long-file-name 'not-save)
2744 (gnus-newsgroup-directory-form newsgroup))
2745 "/" (int-to-string (mail-header-number headers)))
2746 gnus-article-save-directory)))
2748 (string-equal (file-name-directory default)
2749 (file-name-directory last-file))
2750 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
2752 (or last-file default))))
2754 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
2755 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
2756 If variable `gnus-use-long-file-name' is non-nil, it is
2757 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
2760 (if (gnus-use-long-file-name 'not-save)
2762 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup)))
2763 gnus-article-save-directory)))
2765 (autoload 'mm-uu-pgp-signed-test "mm-uu")
2767 (defun article-verify-x-pgp-sig ()
2770 (if (gnus-buffer-live-p gnus-original-article-buffer)
2771 (let ((sig (with-current-buffer gnus-original-article-buffer
2772 (gnus-fetch-field "X-PGP-Sig")))
2774 (when (and sig (mm-uu-pgp-signed-test))
2776 (insert-buffer gnus-original-article-buffer)
2777 (setq items (split-string sig))
2778 (message-narrow-to-head)
2779 (let ((inhibit-point-motion-hooks t)
2780 (case-fold-search t))
2781 ;; Don't verify multiple headers.
2782 (setq headers (mapconcat (lambda (header)
2784 (mail-fetch-field header) "\n"))
2785 (split-string (nth 1 items) ",") "")))
2786 (delete-region (point-min) (point-max))
2787 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
2788 (insert "X-Signed-Headers: " (nth 1 items) "\n")
2793 (if (looking-at "^-")
2796 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
2797 (insert "Version: " (car items) "\n\n")
2798 (insert (mapconcat 'identity (cddr items) "\n"))
2799 (insert "\n-----END PGP SIGNATURE-----\n")
2800 (let ((mm-security-handle (list (format "multipart/signed"))))
2801 (mml2015-clean-buffer)
2802 (let ((coding-system-for-write (or gnus-newsgroup-charset
2804 (funcall (mml2015-clear-verify-function)))
2806 (or (mm-handle-multipart-ctl-parameter
2807 mm-security-handle 'gnus-details)
2808 (mm-handle-multipart-ctl-parameter
2809 mm-security-handle 'gnus-info)))))
2811 (let (buffer-read-only bface eface)
2813 (message-narrow-to-head)
2814 (goto-char (point-max))
2816 (setq bface (get-text-property (gnus-point-at-bol) 'face)
2817 eface (get-text-property (1- (gnus-point-at-eol)) 'face))
2818 (message-remove-header "X-Gnus-PGP-Verify")
2819 (if (re-search-forward "^X-PGP-Sig:" nil t)
2821 (goto-char (point-max)))
2822 (narrow-to-region (point) (point))
2823 (insert "X-Gnus-PGP-Verify: " info "\n")
2824 (goto-char (point-min))
2827 (if (not (looking-at "^[ \t]"))
2831 (goto-char (point-min))
2832 (when (looking-at "\\([^:]+\\): *")
2833 (put-text-property (match-beginning 1) (1+ (match-end 1))
2835 (put-text-property (match-end 0) (point-max)
2836 'face eface)))))))))
2843 (setq afunc (car func)
2846 gfunc (intern (format "gnus-%s" func))))
2849 `(lambda (&optional interactive &rest args)
2850 ,(documentation afunc t)
2851 (interactive (list t))
2853 (set-buffer gnus-article-buffer)
2855 (call-interactively ',afunc)
2856 (apply ',afunc args))))))))
2857 '(article-hide-headers
2858 article-verify-x-pgp-sig
2859 article-hide-boring-headers
2860 article-toggle-headers
2861 article-treat-overstrike
2862 article-fill-long-lines
2863 article-capitalize-sentences
2865 article-display-x-face
2866 article-de-quoted-unreadable
2867 article-de-base64-unreadable
2870 article-hide-list-identifiers
2872 article-strip-banner
2875 article-hide-signature
2876 article-strip-headers-in-body
2877 article-remove-trailing-blank-lines
2878 article-strip-leading-blank-lines
2879 article-strip-multiple-blank-lines
2880 article-strip-leading-space
2881 article-strip-trailing-space
2882 article-strip-blank-lines
2883 article-strip-all-blank-lines
2885 article-date-iso8601
2886 article-date-original
2888 article-decode-mime-words
2889 article-decode-charset
2890 article-decode-encoded-words
2894 article-treat-dumbquotes
2895 article-normalize-headers
2896 (article-show-all-headers . gnus-article-show-all-headers)
2897 (article-show-all . gnus-article-show-all))))
2900 ;;; Gnus article mode
2903 (put 'gnus-article-mode 'mode-class 'special)
2905 (gnus-define-keys gnus-article-mode-map
2906 " " gnus-article-goto-next-page
2907 "\177" gnus-article-goto-prev-page
2908 [delete] gnus-article-goto-prev-page
2909 [backspace] gnus-article-goto-prev-page
2910 "\C-c^" gnus-article-refer-article
2911 "h" gnus-article-show-summary
2912 "s" gnus-article-show-summary
2913 "\C-c\C-m" gnus-article-mail
2914 "?" gnus-article-describe-briefly
2915 "e" gnus-summary-edit-article
2916 "<" beginning-of-buffer
2918 "\C-c\C-i" gnus-info-find-node
2920 "\C-hk" gnus-article-describe-key
2921 "\C-hc" gnus-article-describe-key-briefly
2923 "\C-d" gnus-article-read-summary-keys
2924 "\M-*" gnus-article-read-summary-keys
2925 "\M-#" gnus-article-read-summary-keys
2926 "\M-^" gnus-article-read-summary-keys
2927 "\M-g" gnus-article-read-summary-keys)
2929 ;; Define almost undefined keys to `gnus-article-read-summary-keys'.
2932 (unless (lookup-key gnus-article-mode-map key)
2933 (define-key gnus-article-mode-map key
2934 'gnus-article-read-summary-keys)))
2939 (let ((key (car elt)))
2940 (and (> (length key) 0)
2941 (not (eq 'menu-bar (aref key 0)))
2942 (symbolp (lookup-key gnus-summary-mode-map key))
2944 (accessible-keymaps gnus-summary-mode-map))
2948 (push (char-to-string c) keys)
2953 (defvar gnus-article-commands-menu))
2955 (defun gnus-article-make-menu-bar ()
2956 (gnus-turn-off-edit-menu 'article)
2957 (unless (boundp 'gnus-article-article-menu)
2959 gnus-article-article-menu gnus-article-mode-map ""
2961 ["Scroll forwards" gnus-article-goto-next-page t]
2962 ["Scroll backwards" gnus-article-goto-prev-page t]
2963 ["Show summary" gnus-article-show-summary t]
2964 ["Fetch Message-ID at point" gnus-article-refer-article t]
2965 ["Mail to address at point" gnus-article-mail t]
2966 ["Send a bug report" gnus-bug t]))
2969 gnus-article-treatment-menu gnus-article-mode-map ""
2971 ["Hide headers" gnus-article-toggle-headers t]
2972 ["Hide signature" gnus-article-hide-signature t]
2973 ["Hide citation" gnus-article-hide-citation t]
2974 ["Treat overstrike" gnus-article-treat-overstrike t]
2975 ["Remove carriage return" gnus-article-remove-cr t]
2976 ["Decode HZ" gnus-article-decode-HZ t]))
2978 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
2980 (when (boundp 'gnus-summary-post-menu)
2981 (define-key gnus-article-mode-map [menu-bar post]
2982 (cons "Post" gnus-summary-post-menu)))
2984 (gnus-run-hooks 'gnus-article-menu-hook))
2986 (when (boundp 'gnus-article-commands-menu)
2987 (easy-menu-add gnus-article-commands-menu gnus-article-mode-map))
2988 (when (boundp 'gnus-summary-post-menu)
2989 (easy-menu-add gnus-summary-post-menu gnus-article-mode-map)))
2991 (defun gnus-article-mode ()
2992 "Major mode for displaying an article.
2994 All normal editing commands are switched off.
2996 The following commands are available in addition to all summary mode
2998 \\<gnus-article-mode-map>
2999 \\[gnus-article-next-page]\t Scroll the article one page forwards
3000 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3001 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3002 \\[gnus-article-show-summary]\t Display the summary buffer
3003 \\[gnus-article-mail]\t Send a reply to the address near point
3004 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3005 \\[gnus-info-find-node]\t Go to the Gnus info node"
3007 (when (gnus-visual-p 'article-menu 'menu)
3008 (gnus-article-make-menu-bar))
3009 (gnus-simplify-mode-line)
3010 (setq mode-name "Article")
3011 (setq major-mode 'gnus-article-mode)
3012 (make-local-variable 'minor-mode-alist)
3013 (unless (assq 'gnus-show-mime minor-mode-alist)
3014 (push (list 'gnus-show-mime " MIME") minor-mode-alist))
3015 (use-local-map gnus-article-mode-map)
3016 (gnus-update-format-specifications nil 'article-mode)
3017 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3018 (make-local-variable 'gnus-page-broken)
3019 (make-local-variable 'gnus-button-marker-list)
3020 (make-local-variable 'gnus-article-current-summary)
3021 (make-local-variable 'gnus-article-mime-handles)
3022 (make-local-variable 'gnus-article-decoded-p)
3023 (make-local-variable 'gnus-article-mime-handle-alist)
3024 (make-local-variable 'gnus-article-wash-types)
3025 (make-local-variable 'gnus-article-charset)
3026 (make-local-variable 'gnus-article-ignored-charsets)
3027 (gnus-set-default-directory)
3028 (buffer-disable-undo)
3029 (setq buffer-read-only t)
3030 (set-syntax-table gnus-article-mode-syntax-table)
3031 (gnus-run-hooks 'gnus-article-mode-hook))
3033 (defun gnus-article-setup-buffer ()
3034 "Initialize the article buffer."
3035 (let* ((name (if gnus-single-article-buffer "*Article*"
3036 (concat "*Article " gnus-newsgroup-name "*")))
3038 (progn (string-match "\\*Article" name)
3039 (concat " *Original Article"
3040 (substring name (match-end 0))))))
3041 (setq gnus-article-buffer name)
3042 (setq gnus-original-article-buffer original)
3043 (setq gnus-article-mime-handle-alist nil)
3044 ;; This might be a variable local to the summary buffer.
3045 (unless gnus-single-article-buffer
3047 (set-buffer gnus-summary-buffer)
3048 (setq gnus-article-buffer name)
3049 (setq gnus-original-article-buffer original)
3050 (gnus-set-global-variables)))
3051 (gnus-article-setup-highlight-words)
3052 ;; Init original article buffer.
3054 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3055 (set-buffer-multibyte nil)
3056 (setq major-mode 'gnus-original-article-mode)
3057 (make-local-variable 'gnus-original-article))
3058 (if (get-buffer name)
3061 (buffer-disable-undo)
3062 (setq buffer-read-only t)
3063 (unless (eq major-mode 'gnus-article-mode)
3064 (gnus-article-mode))
3067 (set-buffer (gnus-get-buffer-create name))
3069 (make-local-variable 'gnus-summary-buffer)
3070 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3071 (current-buffer)))))
3073 ;; Set article window start at LINE, where LINE is the number of lines
3074 ;; from the head of the article.
3075 (defun gnus-article-set-window-start (&optional line)
3077 (get-buffer-window gnus-article-buffer t)
3079 (set-buffer gnus-article-buffer)
3080 (goto-char (point-min))
3083 (gnus-message 6 "Moved to bookmark")
3084 (search-forward "\n\n" nil t)
3088 ;;; @@ article filters
3091 (defun gnus-article-display-mime-message ()
3092 "Article display method for MIME message."
3093 ;; called from `gnus-original-article-buffer'.
3094 (let (charset all-headers)
3095 (with-current-buffer gnus-summary-buffer
3096 (setq charset default-mime-charset
3097 all-headers gnus-have-all-headers))
3098 (make-local-variable 'default-mime-charset)
3099 (setq default-mime-charset charset)
3100 (with-current-buffer (get-buffer-create gnus-article-buffer)
3101 (make-local-variable 'default-mime-charset)
3102 (setq default-mime-charset charset))
3103 (mime-display-message mime-message-structure
3104 gnus-article-buffer nil gnus-article-mode-map)
3106 (gnus-article-hide-headers nil -1)))
3107 (run-hooks 'gnus-mime-article-prepare-hook))
3109 (defun gnus-article-display-traditional-message ()
3110 "Article display method for traditional message."
3111 (set-buffer gnus-article-buffer)
3112 (let (buffer-read-only)
3114 (insert-buffer-substring gnus-original-article-buffer)))
3116 (defun gnus-article-make-full-mail-header (&optional number charset)
3117 "Create a new mail header structure in a raw article buffer."
3118 (unless (and number charset)
3119 (save-current-buffer
3120 (set-buffer gnus-summary-buffer)
3122 (setq number (or (cdr gnus-article-current) 0)))
3124 (setq charset (or default-mime-charset 'x-ctext)))))
3125 (goto-char (point-min))
3126 (let ((header-end (if (search-forward "\n\n" nil t)
3128 (goto-char (point-max))))
3129 (chars (- (point-max) (point)))
3130 (lines (count-lines (point) (point-max)))
3131 (default-mime-charset charset)
3133 (narrow-to-region (point-min) header-end)
3134 (setq xref (std11-fetch-field "xref"))
3136 (make-full-mail-header
3138 (std11-fetch-field "subject")
3139 (std11-fetch-field "from")
3140 (std11-fetch-field "date")
3141 (std11-fetch-field "message-id")
3142 (std11-fetch-field "references")
3145 (when xref (concat "Xref: " xref)))
3148 (defun gnus-article-prepare (article &optional all-headers header)
3149 "Prepare ARTICLE in article mode buffer.
3150 ARTICLE should either be an article number or a Message-ID.
3151 If ARTICLE is an id, HEADER should be the article headers.
3152 If ALL-HEADERS is non-nil, no headers are hidden."
3154 ;; Make sure we start in a summary buffer.
3155 (unless (eq major-mode 'gnus-summary-mode)
3156 (set-buffer gnus-summary-buffer))
3157 (setq gnus-summary-buffer (current-buffer))
3158 (let* ((gnus-article (if header (mail-header-number header) article))
3159 (summary-buffer (current-buffer))
3160 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
3161 (group gnus-newsgroup-name)
3164 (gnus-article-setup-buffer)
3165 (set-buffer gnus-original-article-buffer)
3166 ;; Deactivate active regions.
3167 (when (and (boundp 'transient-mark-mode)
3168 transient-mark-mode)
3169 (setq mark-active nil))
3170 (if (not (setq result (let ((buffer-read-only nil))
3171 (gnus-request-article-this-buffer
3173 ;; There is no such article.
3175 (when (and (numberp article)
3176 (not (memq article gnus-newsgroup-sparse)))
3177 (setq gnus-article-current
3178 (cons gnus-newsgroup-name article))
3179 (set-buffer gnus-summary-buffer)
3180 (setq gnus-current-article article)
3181 (if (eq (gnus-article-mark article) gnus-undownloaded-mark)
3183 (gnus-summary-set-agent-mark article)
3184 (message "Message marked for downloading"))
3185 (gnus-summary-mark-article article gnus-canceled-mark)
3186 (unless (memq article gnus-newsgroup-sparse)
3187 (gnus-error 1 "No such article (may have expired or been canceled)")))))
3188 (if (or (eq result 'pseudo)
3189 (eq result 'nneething))
3192 (set-buffer summary-buffer)
3193 (push article gnus-newsgroup-history)
3194 (setq gnus-last-article gnus-current-article
3195 gnus-current-article 0
3196 gnus-current-headers nil
3197 gnus-article-current nil)
3198 (if (eq result 'nneething)
3199 (gnus-configure-windows 'summary)
3200 (gnus-configure-windows 'article))
3201 (gnus-set-global-variables))
3202 (let ((gnus-article-mime-handle-alist-1
3203 gnus-article-mime-handle-alist))
3204 (gnus-set-mode-line 'article)))
3205 ;; The result from the `request' was an actual article -
3206 ;; or at least some text that is now displayed in the
3208 (when (and (numberp article)
3209 (not (eq article gnus-current-article)))
3210 ;; Seems like a new article has been selected.
3211 ;; `gnus-current-article' must be an article number.
3213 (set-buffer summary-buffer)
3214 (push article gnus-newsgroup-history)
3215 (setq gnus-last-article gnus-current-article
3216 gnus-current-article article
3217 gnus-current-headers
3218 (gnus-summary-article-header gnus-current-article)
3219 gnus-article-current
3220 (cons gnus-newsgroup-name gnus-current-article))
3221 (unless (vectorp gnus-current-headers)
3222 (setq gnus-current-headers nil))
3223 (gnus-summary-goto-subject gnus-current-article)
3224 (when (gnus-summary-show-thread)
3225 ;; If the summary buffer really was folded, the
3226 ;; previous goto may not actually have gone to
3227 ;; the right article, but the thread root instead.
3229 (gnus-summary-goto-subject gnus-current-article))
3230 (gnus-run-hooks 'gnus-mark-article-hook)
3231 (gnus-set-mode-line 'summary)
3232 (when (gnus-visual-p 'article-highlight 'highlight)
3233 (gnus-run-hooks 'gnus-visual-mark-article-hook))
3234 ;; Set the global newsgroup variables here.
3235 (gnus-set-global-variables)
3236 (setq gnus-have-all-headers
3237 (or all-headers gnus-show-all-headers))))
3239 (gnus-configure-windows 'article))
3240 (when (or (numberp article)
3242 (gnus-article-prepare-display)
3244 (goto-char (point-min))
3245 (setq gnus-page-broken
3246 (when gnus-break-pages
3247 (gnus-narrow-to-page)
3249 (let ((gnus-article-mime-handle-alist-1
3250 gnus-article-mime-handle-alist))
3251 (gnus-set-mode-line 'article))
3253 (set-window-point (get-buffer-window (current-buffer)) (point))
3254 (gnus-configure-windows 'article)
3257 (defun gnus-article-prepare-mime-display (&optional number)
3258 (goto-char (point-min))
3259 (when (re-search-forward "^[^\t ]+:" nil t)
3260 (goto-char (match-beginning 0)))
3261 (let ((entity (if (eq 1 (point-min))
3262 (get-text-property 1 'mime-view-entity)
3263 (get-text-property (point) 'mime-view-entity)))
3264 last-entity child-entity next type)
3265 (setq child-entity (mime-entity-children entity))
3267 (setq last-entity (nth (1- (length child-entity))
3269 (setq last-entity entity))
3271 (narrow-to-region (point)
3272 (if (search-forward "\n\n" nil t)
3275 (gnus-treat-article 'head)
3276 (put-text-property (point-min) (point-max) 'article-treated-header t)
3277 (goto-char (point-max)))
3278 (while (and (not (eobp)) entity)
3279 (setq next (set-marker
3281 (next-single-property-change (point) 'mime-view-entity
3283 (let ((types (mime-entity-content-type entity)))
3284 (while (eq 'multipart (mime-content-type-primary-type types))
3285 (setq entity (car (mime-entity-children entity))
3286 types (mime-entity-content-type entity)))
3288 (setq type (format "%s/%s"
3289 (mime-content-type-primary-type types)
3290 (mime-content-type-subtype types)))))
3291 (if (string-equal type "message/rfc822")
3294 (let ((children (mime-entity-children entity))
3297 (setq last-children (nth (1- (length children)) children))
3300 (not (eq last-children
3301 (get-text-property next 'mime-view-entity)))
3303 (next-single-property-change next
3305 nil (point-max)))))))
3306 (setq next (next-single-property-change next 'mime-view-entity
3309 (narrow-to-region (point) next)
3310 (gnus-article-prepare-mime-display)
3311 (goto-char (point-max)))
3312 (setq entity (get-text-property (point) 'mime-view-entity)))
3314 (narrow-to-region (point) next)
3315 ;; Kludge. We have to count true number, but for now,
3316 ;; part number is here only to achieve `last'.
3317 (gnus-treat-article nil 1
3318 (if (eq entity last-entity)
3321 (goto-char (point-max)))
3322 (setq entity (get-text-property next 'mime-view-entity))))))
3325 (defun gnus-article-prepare-display ()
3326 "Make the current buffer look like a nice article."
3327 (setq gnus-article-wash-types nil)
3328 (gnus-run-hooks 'gnus-tmp-internal-hook)
3329 (gnus-run-hooks 'gnus-article-prepare-hook)
3331 (let (mime-display-header-hook mime-display-text/plain-hook)
3332 (funcall (if gnus-show-mime
3334 (setq mime-message-structure gnus-current-headers)
3335 (mime-buffer-entity-set-buffer-internal
3336 mime-message-structure
3337 gnus-original-article-buffer)
3338 (mime-entity-set-representation-type-internal
3339 mime-message-structure 'mime-buffer-entity)
3340 (luna-send mime-message-structure
3341 'initialize-instance
3342 mime-message-structure)
3343 gnus-article-display-method-for-mime)
3344 gnus-article-display-method-for-traditional)))
3345 ;; Associate this article with the current summary buffer.
3346 (setq gnus-article-current-summary gnus-summary-buffer)
3347 ;; Call the treatment functions.
3348 (let ((inhibit-read-only t)
3353 (gnus-article-prepare-mime-display)
3354 (narrow-to-region (goto-char (point-min))
3355 (if (search-forward "\n\n" nil t)
3358 (gnus-treat-article 'head)
3359 (put-text-property (point-min) (point-max) 'article-treated-header t)
3360 (goto-char (point-max))
3362 (narrow-to-region (point) (point-max))
3363 (gnus-treat-article nil))
3364 (put-text-property (point-min) (point-max) 'read-only nil)))
3365 ;; Perform the article display hooks. Incidentally, this hook is
3366 ;; an obsolete variable by now.
3367 (gnus-run-hooks 'gnus-article-display-hook))
3369 (defun gnus-article-decode-article-as-default-mime-charset ()
3370 "Decode an article as `default-mime-charset'. It won't work if the
3371 value of the variable `gnus-show-mime' is non-nil."
3372 (unless gnus-show-mime
3373 (decode-mime-charset-region (point-min) (point-max)
3374 (with-current-buffer gnus-summary-buffer
3375 default-mime-charset))))
3378 ;;; Gnus MIME viewing functions
3381 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
3382 "The following specs can be used:
3384 %T MIME type, along with additional info
3385 %n The `name' parameter
3386 %d The description, if any
3387 %l The length of the encoded part
3388 %p The part identifier number
3389 %e Dots if the part isn't displayed")
3391 (defvar gnus-mime-button-line-format-alist
3392 '((?t gnus-tmp-type ?s)
3393 (?T gnus-tmp-type-long ?s)
3394 (?n gnus-tmp-name ?s)
3395 (?d gnus-tmp-description ?s)
3397 (?l gnus-tmp-length ?d)
3398 (?e gnus-tmp-dots ?s)))
3400 (defvar gnus-mime-button-commands
3401 '((gnus-article-press-button "\r" "Toggle Display")
3402 (gnus-mime-view-part "v" "View Interactively...")
3403 (gnus-mime-view-part-as-type "t" "View As Type...")
3404 (gnus-mime-view-part-as-charset "C" "View As charset...")
3405 (gnus-mime-save-part "o" "Save...")
3406 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
3407 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
3408 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
3409 (gnus-mime-internalize-part "E" "View Internally")
3410 (gnus-mime-externalize-part "e" "View Externally")
3411 (gnus-mime-pipe-part "|" "Pipe To Command...")
3412 (gnus-mime-action-on-part "." "Take action on the part")))
3414 (defun gnus-article-mime-part-status ()
3415 (with-current-buffer gnus-article-buffer
3416 (let ((entity (get-text-property (point-min) 'mime-view-entity)))
3417 (if (and entity (mime-entity-children entity))
3418 (format " (%d parts)" (length (mime-entity-children entity)))
3421 (defvar gnus-mime-button-map
3422 (let ((map (make-sparse-keymap)))
3423 (set-keymap-parent map gnus-article-mode-map)
3424 (define-key map gnus-mouse-2 'gnus-article-push-button)
3425 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
3426 (dolist (c gnus-mime-button-commands)
3427 (define-key map (cadr c) (car c)))
3430 (defun gnus-mime-button-menu (event)
3431 "Construct a context-sensitive menu of MIME commands."
3433 (save-window-excursion
3434 (let ((pos (event-start event)))
3435 (select-window (posn-window pos))
3436 (goto-char (posn-point pos))
3437 (gnus-article-check-buffer)
3438 (let ((response (x-popup-menu
3440 ("" ,@(mapcar (lambda (c)
3441 (cons (caddr c) (car c)))
3442 gnus-mime-button-commands))))))
3444 (call-interactively response))))))
3446 (defun gnus-mime-view-all-parts (&optional handles)
3447 "View all the MIME parts."
3449 (save-current-buffer
3450 (set-buffer gnus-article-buffer)
3451 (let ((handles (or handles gnus-article-mime-handles))
3452 (mail-parse-charset gnus-newsgroup-charset)
3453 (mail-parse-ignored-charsets
3454 (with-current-buffer gnus-summary-buffer
3455 gnus-newsgroup-ignored-charsets)))
3456 (mm-remove-parts handles)
3457 (goto-char (point-min))
3458 (or (search-forward "\n\n") (goto-char (point-max)))
3459 (let (buffer-read-only)
3460 (delete-region (point) (point-max)))
3461 (mm-display-parts handles))))
3463 (defun gnus-mime-save-part-and-strip ()
3464 "Save the MIME part under point then replace it with an external body."
3466 (gnus-article-check-buffer)
3467 (let* ((data (get-text-property (point) 'gnus-data))
3468 (file (mm-save-part data))
3471 (with-current-buffer (mm-handle-buffer data)
3473 (insert "Content-Type: " (mm-handle-media-type data))
3474 (mml-insert-parameter-string (cdr (mm-handle-type data))
3477 (insert "Content-ID: " (message-make-message-id) "\n")
3478 (insert "Content-Transfer-Encoding: binary\n")
3481 (cdr (mm-make-handle nil
3482 `("message/external-body"
3483 (access-type . "LOCAL-FILE")
3485 (set-buffer gnus-summary-buffer)
3486 (gnus-article-edit-article
3489 (let ((mail-parse-charset (or gnus-article-charset
3490 ',gnus-newsgroup-charset))
3491 (mail-parse-ignored-charsets
3492 (or gnus-article-ignored-charsets
3493 ',gnus-newsgroup-ignored-charsets))
3494 (mbl mml-buffer-list))
3495 (setq mml-buffer-list nil)
3496 (insert-buffer gnus-original-article-buffer)
3497 (mime-to-mml gnus-article-mime-handles)
3498 (setq gnus-article-mime-handles nil)
3499 (make-local-hook 'kill-buffer-hook)
3500 (let ((mbl1 mml-buffer-list))
3501 (setq mml-buffer-list mbl)
3502 (set (make-local-variable 'mml-buffer-list) mbl1))
3503 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
3504 `(lambda (no-highlight)
3505 (let ((mail-parse-charset (or gnus-article-charset
3506 ',gnus-newsgroup-charset))
3507 (message-options message-options)
3508 (message-options-set-recipient)
3509 (mail-parse-ignored-charsets
3510 (or gnus-article-ignored-charsets
3511 ',gnus-newsgroup-ignored-charsets)))
3513 (mml-destroy-buffers)
3514 (remove-hook 'kill-buffer-hook
3515 'mml-destroy-buffers t)
3516 (kill-local-variable 'mml-buffer-list))
3517 (gnus-summary-edit-article-done
3518 ,(or (mail-header-references gnus-current-headers) "")
3519 ,(gnus-group-read-only-p)
3520 ,gnus-summary-buffer no-highlight))))))
3522 (defun gnus-mime-save-part ()
3523 "Save the MIME part under point."
3525 (gnus-article-check-buffer)
3526 (let ((data (get-text-property (point) 'gnus-data)))
3527 (mm-save-part data)))
3529 (defun gnus-mime-pipe-part ()
3530 "Pipe the MIME part under point to a process."
3532 (gnus-article-check-buffer)
3533 (let ((data (get-text-property (point) 'gnus-data)))
3534 (mm-pipe-part data)))
3536 (defun gnus-mime-view-part ()
3537 "Interactively choose a viewing method for the MIME part under point."
3539 (gnus-article-check-buffer)
3540 (let ((data (get-text-property (point) 'gnus-data)))
3541 (mm-interactively-view-part data)))
3543 (defun gnus-mime-view-part-as-type-internal ()
3544 (gnus-article-check-buffer)
3545 (let* ((name (mail-content-type-get
3546 (mm-handle-type (get-text-property (point) 'gnus-data))
3548 (def-type (and name (mm-default-file-encoding name))))
3549 (and def-type (cons def-type 0))))
3551 (defun gnus-mime-view-part-as-type (mime-type)
3552 "Choose a MIME media type, and view the part as such."
3554 (list (completing-read
3555 "View as MIME type: "
3556 (mapcar #'list (mailcap-mime-types))
3558 (gnus-mime-view-part-as-type-internal))))
3559 (gnus-article-check-buffer)
3560 (let ((handle (get-text-property (point) 'gnus-data)))
3561 (gnus-mm-display-part
3562 (mm-make-handle (mm-handle-buffer handle)
3563 (cons mime-type (cdr (mm-handle-type handle)))
3564 (mm-handle-encoding handle)
3565 (mm-handle-undisplayer handle)
3566 (mm-handle-disposition handle)
3567 (mm-handle-description handle)
3568 (mm-handle-cache handle)
3569 (mm-handle-id handle)))))
3571 (defun gnus-mime-copy-part (&optional handle)
3572 "Put the the MIME part under point into a new buffer."
3574 (gnus-article-check-buffer)
3575 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3576 (contents (mm-get-part handle))|
3577 (base (file-name-nondirectory
3579 (mail-content-type-get (mm-handle-type handle) 'name)
3580 (mail-content-type-get (mm-handle-type handle)
3583 (buffer (generate-new-buffer base)))
3584 (switch-to-buffer buffer)
3586 ;; We do it this way to make `normal-mode' set the appropriate mode.
3589 (setq buffer-file-name (expand-file-name base))
3591 (setq buffer-file-name nil))
3592 (goto-char (point-min))))
3594 (defun gnus-mime-inline-part (&optional handle arg)
3595 "Insert the MIME part under point into the current buffer."
3596 (interactive (list nil current-prefix-arg))
3597 (gnus-article-check-buffer)
3598 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3602 (if (and (not arg) (mm-handle-undisplayer handle))
3603 (mm-remove-part handle)
3604 (setq contents (mm-get-part handle))
3607 (setq charset (or (mail-content-type-get
3608 (mm-handle-type handle) 'charset)
3609 gnus-newsgroup-charset)))
3611 (if (mm-handle-undisplayer handle)
3612 (mm-remove-part handle))
3615 gnus-summary-show-article-charset-alist))
3616 (read-coding-system "Charset: ")))))
3618 (mm-insert-inline handle
3620 (setq charset (mm-charset-to-coding-system
3622 (not (eq charset 'ascii)))
3623 (mm-decode-coding-string contents charset)
3627 (defun gnus-mime-view-part-as-charset (&optional handle arg)
3628 "Insert the MIME part under point into the current buffer."
3629 (interactive (list nil current-prefix-arg))
3630 (gnus-article-check-buffer)
3631 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3635 (if (mm-handle-undisplayer handle)
3636 (mm-remove-part handle))
3637 (let ((gnus-newsgroup-charset
3639 gnus-summary-show-article-charset-alist))
3640 (read-coding-system "Charset: ")))
3641 (gnus-newsgroup-ignored-charsets 'gnus-all))
3642 (gnus-article-press-button))))
3644 (defun gnus-mime-externalize-part (&optional handle)
3645 "View the MIME part under point with an external viewer."
3647 (gnus-article-check-buffer)
3648 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3649 (mm-user-display-methods nil)
3650 (mm-inlined-types nil)
3651 (mail-parse-charset gnus-newsgroup-charset)
3652 (mail-parse-ignored-charsets
3653 (save-excursion (set-buffer gnus-summary-buffer)
3654 gnus-newsgroup-ignored-charsets)))
3655 (if (mm-handle-undisplayer handle)
3656 (mm-remove-part handle)
3657 (mm-display-part handle))))
3659 (defun gnus-mime-internalize-part (&optional handle)
3660 "View the MIME part under point with an internal viewer.
3661 In no internal viewer is available, use an external viewer."
3663 (gnus-article-check-buffer)
3664 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3665 (mm-inlined-types '(".*"))
3666 (mm-inline-large-images t)
3667 (mail-parse-charset gnus-newsgroup-charset)
3668 (mail-parse-ignored-charsets
3669 (save-excursion (set-buffer gnus-summary-buffer)
3670 gnus-newsgroup-ignored-charsets)))
3671 (if (mm-handle-undisplayer handle)
3672 (mm-remove-part handle)
3673 (mm-display-part handle))))
3675 (defun gnus-mime-action-on-part (&optional action)
3676 "Do something with the MIME attachment at \(point\)."
3678 (list (completing-read "Action: " gnus-mime-action-alist)))
3679 (gnus-article-check-buffer)
3680 (let ((action-pair (assoc action gnus-mime-action-alist)))
3682 (funcall (cdr action-pair)))))
3685 (defun gnus-article-part-wrapper (n function)
3686 (save-current-buffer
3687 (set-buffer gnus-article-buffer)
3688 (when (> n (length gnus-article-mime-handle-alist))
3689 (error "No such part"))
3690 (gnus-article-goto-part n)
3691 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
3692 (funcall function handle))))
3694 (defun gnus-article-pipe-part (n)
3695 "Pipe MIME part N, which is the numerical prefix."
3697 (gnus-article-part-wrapper n 'mm-pipe-part))
3699 (defun gnus-article-save-part (n)
3700 "Save MIME part N, which is the numerical prefix."
3702 (gnus-article-part-wrapper n 'mm-save-part))
3704 (defun gnus-article-interactively-view-part (n)
3705 "View MIME part N interactively, which is the numerical prefix."
3707 (gnus-article-part-wrapper n 'mm-interactively-view-part))
3709 (defun gnus-article-copy-part (n)
3710 "Copy MIME part N, which is the numerical prefix."
3712 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
3714 (defun gnus-article-view-part-as-charset (n)
3715 "Copy MIME part N, which is the numerical prefix."
3717 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
3719 (defun gnus-article-externalize-part (n)
3720 "View MIME part N externally, which is the numerical prefix."
3722 (gnus-article-part-wrapper n 'gnus-mime-externalize-part))
3724 (defun gnus-article-inline-part (n)
3725 "Inline MIME part N, which is the numerical prefix."
3727 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
3729 (defun gnus-article-mime-match-handle-first (condition)
3731 (let ((alist gnus-article-mime-handle-alist) ihandle n)
3732 (while (setq ihandle (pop alist))
3734 ((functionp condition)
3735 (funcall condition (cdr ihandle)))
3736 ((eq condition 'undisplayed)
3737 (not (or (mm-handle-undisplayer (cdr ihandle))
3738 (equal (mm-handle-media-type (cdr ihandle))
3739 "multipart/alternative"))))
3740 ((eq condition 'undisplayed-alternative)
3741 (not (mm-handle-undisplayer (cdr ihandle))))
3743 (gnus-article-goto-part (car ihandle))
3744 (or (not n) (< (car ihandle) n)))
3745 (setq n (car ihandle))))
3749 (defun gnus-article-view-part (&optional n)
3750 "View MIME part N, which is the numerical prefix."
3752 (save-current-buffer
3753 (set-buffer gnus-article-buffer)
3754 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
3755 gnus-article-mime-match-handle-function)))
3756 (when (> n (length gnus-article-mime-handle-alist))
3757 (error "No such part"))
3758 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
3759 (when (gnus-article-goto-part n)
3760 (if (equal (car handle) "multipart/alternative")
3761 (gnus-article-press-button)
3762 (when (eq (gnus-mm-display-part handle) 'internal)
3763 (gnus-set-window-start)))))))
3765 (defsubst gnus-article-mime-total-parts ()
3766 (if (bufferp (car gnus-article-mime-handles))
3768 (1- (length gnus-article-mime-handles))))
3770 (defun gnus-mm-display-part (handle)
3771 "Display HANDLE and fix MIME button."
3772 (let ((id (get-text-property (point) 'gnus-part))
3777 (let ((window (selected-window))
3778 (mail-parse-charset gnus-newsgroup-charset)
3779 (mail-parse-ignored-charsets
3780 (save-excursion (set-buffer gnus-summary-buffer)
3781 gnus-newsgroup-ignored-charsets)))
3784 (let ((win (get-buffer-window (current-buffer) t))
3787 (select-window win))
3790 (if (mm-handle-displayed-p handle)
3791 ;; This will remove the part.
3792 (mm-display-part handle)
3794 (narrow-to-region (point) (1+ (point)))
3795 (mm-display-part handle)
3796 ;; We narrow to the part itself and
3797 ;; then call the treatment functions.
3798 (goto-char (point-min))
3800 (narrow-to-region (point) (point-max))
3803 (gnus-article-mime-total-parts)
3804 (mm-handle-media-type handle)))))
3805 (select-window window))))
3807 (delete-region (gnus-point-at-bol) (progn (forward-line 1) (point)))
3808 (gnus-insert-mime-button
3809 handle id (list (mm-handle-displayed-p handle)))
3810 (goto-char point))))
3812 (defun gnus-article-goto-part (n)
3813 "Go to MIME part N."
3814 (let ((point (text-property-any (point-min) (point-max) 'gnus-part n)))
3816 (goto-char point))))
3818 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
3819 (let ((gnus-tmp-name
3820 (or (mail-content-type-get (mm-handle-type handle)
3822 (mail-content-type-get (mm-handle-disposition handle)
3824 (mail-content-type-get (mm-handle-type handle)
3827 (gnus-tmp-type (mm-handle-media-type handle))
3828 (gnus-tmp-description
3829 (mail-decode-encoded-word-string (or (mm-handle-description handle)
3832 (if (if displayed (car displayed)
3833 (mm-handle-displayed-p handle))
3835 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
3837 gnus-tmp-type-long b e)
3838 (when (string-match ".*/" gnus-tmp-name)
3839 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
3840 (setq gnus-tmp-type-long (concat gnus-tmp-type
3841 (and (not (equal gnus-tmp-name ""))
3842 (concat "; " gnus-tmp-name))))
3843 (or (equal gnus-tmp-description "")
3844 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
3849 gnus-mime-button-line-format gnus-mime-button-line-format-alist
3850 `(local-map ,gnus-mime-button-map
3851 keymap ,gnus-mime-button-map
3852 gnus-callback gnus-mm-display-part
3853 gnus-part ,gnus-tmp-id
3854 article-type annotation
3857 (widget-convert-button
3860 :action 'gnus-widget-press-button
3861 :button-keymap gnus-mime-button-map
3863 (lambda (widget/window &optional overlay pos)
3864 ;; Needed to properly clear the message due to a bug in
3865 ;; wid-edit (XEmacs only).
3866 (if (boundp 'help-echo-owns-message)
3867 (setq help-echo-owns-message t))
3869 "%S: %s the MIME part; %S: more options"
3870 (aref gnus-mouse-2 0)
3871 ;; XEmacs will get a single widget arg; Emacs 21 will get
3872 ;; window, overlay, position.
3873 (if (mm-handle-displayed-p
3875 (with-current-buffer (gnus-overlay-buffer overlay)
3876 (widget-get (widget-at (gnus-overlay-start overlay))
3878 (widget-get widget/window :mime-handle)))
3880 (aref gnus-down-mouse-3 0))))))
3882 (defun gnus-widget-press-button (elems el)
3883 (goto-char (widget-get elems :from))
3884 (gnus-article-press-button))
3886 (defvar gnus-displaying-mime nil)
3888 (defun gnus-display-mime (&optional ihandles)
3889 "Display the MIME parts."
3891 (save-selected-window
3892 (let ((window (get-buffer-window gnus-article-buffer))
3895 (select-window window)
3896 ;; We have to do this since selecting the window
3897 ;; may change the point. So we set the window point.
3898 (set-window-point window point)))
3899 (let* ((handles (or ihandles (mm-dissect-buffer) (mm-uu-dissect)))
3900 buffer-read-only handle name type b e display)
3901 (when (and (not ihandles)
3902 (not gnus-displaying-mime))
3903 ;; Top-level call; we clean up.
3904 (when gnus-article-mime-handles
3905 (mm-destroy-parts gnus-article-mime-handles)
3906 (setq gnus-article-mime-handle-alist nil));; A trick.
3907 (setq gnus-article-mime-handles handles)
3908 ;; We allow users to glean info from the handles.
3909 (when gnus-article-mime-part-function
3910 (gnus-mime-part-function handles)))
3912 (or (not (stringp (car handles)))
3915 (when (and (not ihandles)
3916 (not gnus-displaying-mime))
3917 ;; Clean up for mime parts.
3919 (delete-region (point) (point-max)))
3920 (let ((gnus-displaying-mime t))
3921 (gnus-mime-display-part handles)))
3924 (narrow-to-region (point) (point-max))
3925 (gnus-treat-article nil 1 1)
3928 ;; Highlight the headers.
3932 (narrow-to-region (point-min) (point))
3933 (gnus-treat-article 'head))))))))
3935 (defvar gnus-mime-display-multipart-as-mixed nil)
3937 (defun gnus-mime-display-part (handle)
3940 ((not (stringp (car handle)))
3941 (gnus-mime-display-single handle))
3942 ;; User-defined multipart
3943 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
3944 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
3946 ;; multipart/alternative
3947 ((and (equal (car handle) "multipart/alternative")
3948 (not gnus-mime-display-multipart-as-mixed))
3949 (let ((id (1+ (length gnus-article-mime-handle-alist))))
3950 (push (cons id handle) gnus-article-mime-handle-alist)
3951 (gnus-mime-display-alternative (cdr handle) nil nil id)))
3952 ;; multipart/related
3953 ((and (equal (car handle) "multipart/related")
3954 (not gnus-mime-display-multipart-as-mixed))
3955 ;;;!!!We should find the start part, but we just default
3956 ;;;!!!to the first part.
3957 ;;(gnus-mime-display-part (cadr handle))
3958 ;;;!!! Most multipart/related is an HTML message plus images.
3959 ;;;!!! Unfortunately we are unable to let W3 display those
3960 ;;;!!! included images, so we just display it as a mixed multipart.
3961 (gnus-mime-display-mixed (cdr handle)))
3962 ((equal (car handle) "multipart/signed")
3963 (or (memq 'signed gnus-article-wash-types)
3964 (push 'signed gnus-article-wash-types))
3965 (gnus-mime-display-security handle))
3966 ((equal (car handle) "multipart/encrypted")
3967 (or (memq 'encrypted gnus-article-wash-types)
3968 (push 'encrypted gnus-article-wash-types))
3969 (gnus-mime-display-security handle))
3970 ;; Other multiparts are handled like multipart/mixed.
3972 (gnus-mime-display-mixed (cdr handle)))))
3974 (defun gnus-mime-part-function (handles)
3975 (if (stringp (car handles))
3976 (mapcar 'gnus-mime-part-function (cdr handles))
3977 (funcall gnus-article-mime-part-function handles)))
3979 (defun gnus-mime-display-mixed (handles)
3980 (mapcar 'gnus-mime-display-part handles))
3982 (defun gnus-mime-display-single (handle)
3983 (let ((type (mm-handle-media-type handle))
3984 (ignored gnus-ignored-mime-types)
3991 (when (string-match (pop ignored) type)
3992 (throw 'ignored nil)))
3993 (if (and (setq not-attachment
3994 (and (not (mm-inline-override-p handle))
3995 (or (not (mm-handle-disposition handle))
3996 (equal (car (mm-handle-disposition handle))
3998 (mm-attachment-override-p handle))))
3999 (mm-automatic-display-p handle)
4000 (or (mm-inlined-p handle)
4001 (mm-automatic-external-display-p type)))
4003 (when (equal (mm-handle-media-supertype handle) "text")
4005 (let ((id (1+ (length gnus-article-mime-handle-alist)))
4007 (push (cons id handle) gnus-article-mime-handle-alist)
4008 (when (or (not display)
4009 (not (gnus-unbuttonized-mime-type-p type)))
4010 ;(gnus-article-insert-newline)
4011 (gnus-insert-mime-button
4012 handle id (list (or display (and not-attachment text))))
4013 (gnus-article-insert-newline)
4014 ;(gnus-article-insert-newline)
4015 ;; Remember modify the number of forward lines.
4023 (let ((mail-parse-charset gnus-newsgroup-charset)
4024 (mail-parse-ignored-charsets
4025 (save-excursion (condition-case ()
4026 (set-buffer gnus-summary-buffer)
4028 gnus-newsgroup-ignored-charsets)))
4029 (mm-display-part handle t))
4030 (goto-char (point-max)))
4031 ((and text not-attachment)
4035 (gnus-article-insert-newline)
4036 (mm-insert-inline handle (mm-get-part handle))
4037 (goto-char (point-max))))
4041 (narrow-to-region beg (point))
4044 (gnus-article-mime-total-parts)
4045 (mm-handle-media-type handle)))))))))
4047 (defun gnus-unbuttonized-mime-type-p (type)
4048 "Say whether TYPE is to be unbuttonized."
4049 (unless gnus-inhibit-mime-unbuttonizing
4051 (let ((types gnus-unbuttonized-mime-types))
4053 (when (string-match (pop types) type)
4054 (throw 'found t)))))))
4056 (defun gnus-article-insert-newline ()
4057 "Insert a newline, but mark it as undeletable."
4058 (gnus-put-text-property
4059 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
4061 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
4062 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
4065 handle buffer-read-only from props begend not-pref)
4066 (save-window-excursion
4069 (narrow-to-region (car ibegend)
4072 (goto-char (car ibegend))
4075 (delete-region (point-min) (point-max))
4076 (mm-remove-parts handles))
4077 (setq begend (list (point-marker)))
4079 (unless (setq not-pref (cadr (member preferred ihandles)))
4080 (setq not-pref (car ihandles)))
4083 (not (gnus-unbuttonized-mime-type-p
4084 "multipart/alternative")))
4085 (gnus-add-text-properties
4088 (insert (format "%d. " id))
4092 (unless ,(not ibegend)
4093 (setq gnus-article-mime-handle-alist
4094 ',gnus-article-mime-handle-alist))
4095 (gnus-mime-display-alternative
4096 ',ihandles ',not-pref ',begend ,id))
4097 local-map ,gnus-mime-button-map
4098 ,gnus-mouse-face-prop ,gnus-article-mouse-face
4099 face ,gnus-article-button-face
4100 keymap ,gnus-mime-button-map
4103 (widget-convert-button 'link from (point)
4104 :action 'gnus-widget-press-button
4105 :button-keymap gnus-widget-button-keymap)
4107 (while (setq handle (pop handles))
4108 (gnus-add-text-properties
4111 (insert (format "(%c) %-18s"
4112 (if (equal handle preferred) ?* ? )
4113 (mm-handle-media-type handle)))
4117 (unless ,(not ibegend)
4118 (setq gnus-article-mime-handle-alist
4119 ',gnus-article-mime-handle-alist))
4120 (gnus-mime-display-alternative
4121 ',ihandles ',handle ',begend ,id))
4122 local-map ,gnus-mime-button-map
4123 ,gnus-mouse-face-prop ,gnus-article-mouse-face
4124 face ,gnus-article-button-face
4125 keymap ,gnus-mime-button-map
4128 (widget-convert-button 'link from (point)
4129 :action 'gnus-widget-press-button
4130 :button-keymap gnus-widget-button-keymap)
4134 (if (stringp (car preferred))
4135 (gnus-display-mime preferred)
4136 (let ((mail-parse-charset gnus-newsgroup-charset)
4137 (mail-parse-ignored-charsets
4138 (save-excursion (set-buffer gnus-summary-buffer)
4139 gnus-newsgroup-ignored-charsets)))
4140 (mm-display-part preferred)
4144 (narrow-to-region (car begend) (point-max))
4146 nil (length gnus-article-mime-handle-alist)
4147 (gnus-article-mime-total-parts)
4148 (mm-handle-media-type handle))))))
4149 (goto-char (point-max))
4150 (setcdr begend (point-marker)))))
4152 (goto-char point))))
4154 (defun gnus-article-wash-status ()
4155 "Return a string which display status of article washing."
4157 (set-buffer gnus-article-buffer)
4158 (let ((cite (memq 'cite gnus-article-wash-types))
4159 (headers (memq 'headers gnus-article-wash-types))
4160 (boring (memq 'boring-headers gnus-article-wash-types))
4161 (pgp (memq 'pgp gnus-article-wash-types))
4162 (pem (memq 'pem gnus-article-wash-types))
4163 (signed (memq 'signed gnus-article-wash-types))
4164 (encrypted (memq 'encrypted gnus-article-wash-types))
4165 (signature (memq 'signature gnus-article-wash-types))
4166 (overstrike (memq 'overstrike gnus-article-wash-types))
4167 (emphasis (memq 'emphasis gnus-article-wash-types)))
4168 (format "%c%c%c%c%c%c%c"
4170 (if (or headers boring) ?h ? )
4171 (if (or pgp pem signed encrypted) ?p ? )
4172 (if signature ?s ? )
4173 (if overstrike ?o ? )
4174 (if gnus-show-mime ?m ? )
4175 (if emphasis ?e ? )))))
4177 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
4179 (defun gnus-article-maybe-hide-headers ()
4180 "Hide unwanted headers if `gnus-have-all-headers' is nil.
4181 Provided for backwards compatibility."
4182 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
4183 (not (save-excursion (set-buffer gnus-summary-buffer)
4184 gnus-have-all-headers)))
4185 (not gnus-inhibit-hiding))
4186 (gnus-article-hide-headers)))
4190 (defun gnus-output-to-file (file-name)
4191 "Append the current article to a file named FILE-NAME."
4192 (let ((artbuf (current-buffer)))
4194 (insert-buffer-substring artbuf)
4195 ;; Append newline at end of the buffer as separator, and then
4197 (goto-char (point-max))
4199 (write-region-as-binary (point-min) (point-max) file-name 'append)
4202 (defun gnus-narrow-to-page (&optional arg)
4203 "Narrow the article buffer to a page.
4204 If given a numerical ARG, move forward ARG pages."
4206 (setq arg (if arg (prefix-numeric-value arg) 0))
4208 (set-buffer gnus-article-buffer)
4209 (goto-char (point-min))
4211 ;; Remove any old next/prev buttons.
4212 (when (gnus-visual-p 'page-marker)
4213 (let ((buffer-read-only nil))
4214 (gnus-remove-text-with-property 'gnus-prev)
4215 (gnus-remove-text-with-property 'gnus-next)))
4218 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
4220 (re-search-forward page-delimiter nil 'move arg)))
4221 (goto-char (match-end 0)))
4224 (if (re-search-forward page-delimiter nil 'move)
4227 (when (and (gnus-visual-p 'page-marker)
4228 (not (= (point-min) 1)))
4230 (goto-char (point-min))
4231 (gnus-insert-prev-page-button)))
4232 (when (and (gnus-visual-p 'page-marker)
4233 (< (+ (point-max) 2) (buffer-size)))
4235 (goto-char (point-max))
4236 (gnus-insert-next-page-button)))))
4238 ;; Article mode commands
4240 (defun gnus-article-goto-next-page ()
4241 "Show the next page of the article."
4243 (when (gnus-article-next-page)
4244 (goto-char (point-min))
4245 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
4247 (defun gnus-article-goto-prev-page ()
4248 "Show the next page of the article."
4250 (if (bobp) (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
4251 (gnus-article-prev-page nil)))
4253 (defun gnus-article-next-page (&optional lines)
4254 "Show the next page of the current article.
4255 If end of article, return non-nil. Otherwise return nil.
4256 Argument LINES specifies lines to be scrolled up."
4258 (let ((start (window-start))
4259 end-of-buffer end-of-page)
4261 (move-to-window-line -1)
4262 (if (<= (point) start)
4265 (setq start (point)))
4268 (unless (or (cond ((eq (1+ (buffer-size)) (point))
4269 (and (pos-visible-in-window-p)
4270 (setq end-of-buffer t)))
4272 (setq end-of-page t)))
4274 (move-to-window-line lines)
4275 (unless (search-backward "\n\n" nil t)
4276 (setq start (point)))))
4277 (cond (end-of-buffer t)
4279 (gnus-narrow-to-page 1)
4283 (set-window-start (selected-window) start)
4284 (let (window-pixel-scroll-increment)
4288 (defun gnus-article-prev-page (&optional lines)
4289 "Show previous page of current article.
4290 Argument LINES specifies lines to be scrolled down."
4292 (let (beginning-of-buffer beginning-of-page)
4294 (move-to-window-line 0)
4295 (cond ((eq 1 (point))
4296 (setq beginning-of-buffer t))
4298 (setq beginning-of-page t))))
4299 (cond (beginning-of-buffer)
4301 (gnus-narrow-to-page -1))
4304 (let (window-pixel-scroll-increment)
4305 (scroll-down lines))
4306 (beginning-of-buffer
4307 (goto-char (point-min))))))))
4309 (defun gnus-article-refer-article ()
4310 "Read article specified by message-id around point."
4312 (let ((point (point)))
4313 (search-forward ">" nil t) ;Move point to end of "<....>".
4314 (if (re-search-backward "\\(<[^<> \t\n]+>\\)" nil t)
4315 (let ((message-id (match-string 1)))
4317 (set-buffer gnus-summary-buffer)
4318 (gnus-summary-refer-article message-id))
4320 (error "No references around point"))))
4322 (defun gnus-article-show-summary ()
4323 "Reconfigure windows to show summary buffer."
4325 (if (not (gnus-buffer-live-p gnus-summary-buffer))
4326 (error "There is no summary buffer for this article buffer")
4327 (gnus-article-set-globals)
4328 (gnus-configure-windows 'article)
4329 (gnus-summary-goto-subject gnus-current-article)
4330 (gnus-summary-position-point)))
4332 (defun gnus-article-describe-briefly ()
4333 "Describe article mode commands briefly."
4335 (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")))
4337 (defun gnus-article-summary-command ()
4338 "Execute the last keystroke in the summary buffer."
4340 (let ((obuf (current-buffer))
4341 (owin (current-window-configuration))
4343 (switch-to-buffer gnus-article-current-summary 'norecord)
4344 (setq func (lookup-key (current-local-map) (this-command-keys)))
4345 (call-interactively func)
4347 (set-window-configuration owin)
4348 (set-window-point (get-buffer-window (current-buffer)) (point))))
4350 (defun gnus-article-summary-command-nosave ()
4351 "Execute the last keystroke in the summary buffer."
4354 (pop-to-buffer gnus-article-current-summary 'norecord)
4355 (setq func (lookup-key (current-local-map) (this-command-keys)))
4356 (call-interactively func)))
4358 (defun gnus-article-check-buffer ()
4359 "Beep if not in an article buffer."
4360 (unless (eq (get-buffer gnus-article-buffer) (current-buffer))
4361 (error "Command invoked outside of a Gnus article buffer")))
4363 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
4364 "Read a summary buffer key sequence and execute it from the article buffer."
4366 (gnus-article-check-buffer)
4368 '("q" "Q" "c" "r" "R" "\C-c\C-f" "m" "a" "f" "F"
4369 "Zc" "ZC" "ZE" "ZJ" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
4370 "=" "^" "\M-^" "|"))
4376 '("n" "Gn" "p" "Gp"))
4379 (set-buffer gnus-article-current-summary)
4380 (let (gnus-pick-mode)
4381 (push (or key last-command-event) unread-command-events)
4382 (setq keys (static-if (featurep 'xemacs)
4383 (events-to-keys (read-key-sequence nil))
4384 (read-key-sequence nil)))))
4387 (if (or (member keys nosaves)
4388 (member keys nosave-but-article)
4389 (member keys nosave-in-article))
4391 (save-window-excursion
4392 (pop-to-buffer gnus-article-current-summary 'norecord)
4393 ;; We disable the pick minor mode commands.
4394 (let (gnus-pick-mode)
4395 (setq func (lookup-key (current-local-map) keys))))
4399 (unless (member keys nosave-in-article)
4400 (set-buffer gnus-article-current-summary))
4401 (call-interactively func)
4402 (setq new-sum-point (point)))
4403 (when (member keys nosave-but-article)
4404 (pop-to-buffer gnus-article-buffer 'norecord)))
4405 ;; These commands should restore window configuration.
4406 (let ((obuf (current-buffer))
4407 (owin (current-window-configuration))
4409 (summary gnus-article-current-summary)
4410 func in-buffer selected)
4411 (if not-restore-window
4412 (pop-to-buffer summary 'norecord)
4413 (switch-to-buffer summary 'norecord))
4414 (setq in-buffer (current-buffer))
4415 ;; We disable the pick minor mode commands.
4416 (if (and (setq func (let (gnus-pick-mode)
4417 (lookup-key (current-local-map) keys)))
4420 (call-interactively func)
4421 (setq new-sum-point (point))
4422 (when (eq in-buffer (current-buffer))
4423 (setq selected (gnus-summary-select-article))
4425 (unless not-restore-window
4426 (set-window-configuration owin))
4427 (when (eq selected 'old)
4429 (set-window-start (get-buffer-window (current-buffer))
4431 (set-window-point (get-buffer-window (current-buffer))
4433 (let ((win (get-buffer-window gnus-article-current-summary)))
4435 (set-window-point win new-sum-point)))) )
4436 (switch-to-buffer gnus-article-buffer)
4439 (defun gnus-article-describe-key (key)
4440 "Display documentation of the function invoked by KEY. KEY is a string."
4441 (interactive "kDescribe key: ")
4442 (gnus-article-check-buffer)
4443 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
4445 (set-buffer gnus-article-current-summary)
4446 (let (gnus-pick-mode)
4447 (push (elt key 0) unread-command-events)
4448 (setq key (if (featurep 'xemacs)
4449 (events-to-keys (read-key-sequence "Describe key: "))
4450 (read-key-sequence "Describe key: "))))
4452 (describe-key key)))
4454 (defun gnus-article-describe-key-briefly (key &optional insert)
4455 "Display documentation of the function invoked by KEY. KEY is a string."
4456 (interactive "kDescribe key: \nP")
4457 (gnus-article-check-buffer)
4458 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
4460 (set-buffer gnus-article-current-summary)
4461 (let (gnus-pick-mode)
4462 (push (elt key 0) unread-command-events)
4463 (setq key (if (featurep 'xemacs)
4464 (events-to-keys (read-key-sequence "Describe key: "))
4465 (read-key-sequence "Describe key: "))))
4466 (describe-key-briefly key insert))
4467 (describe-key-briefly key insert)))
4469 (defun gnus-article-hide (&optional arg force)
4470 "Hide all the gruft in the current article.
4471 This means that PGP stuff, signatures, cited text and (some)
4472 headers will be hidden.
4473 If given a prefix, show the hidden text instead."
4474 (interactive (append (gnus-article-hidden-arg) (list 'force)))
4475 (gnus-article-hide-headers arg)
4476 (gnus-article-hide-list-identifiers arg)
4477 (gnus-article-hide-pgp arg)
4478 (gnus-article-hide-citation-maybe arg force)
4479 (gnus-article-hide-signature arg))
4481 (defun gnus-article-maybe-highlight ()
4482 "Do some article highlighting if article highlighting is requested."
4483 (when (gnus-visual-p 'article-highlight 'highlight)
4484 (gnus-article-highlight-some)))
4486 (defun gnus-check-group-server ()
4487 ;; Make sure the connection to the server is alive.
4488 (unless (gnus-server-opened
4489 (gnus-find-method-for-group gnus-newsgroup-name))
4490 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
4491 (gnus-request-group gnus-newsgroup-name t)))
4493 (defun gnus-request-article-this-buffer (article group)
4494 "Get an article and insert it into this buffer."
4495 (let (do-update-line sparse-header)
4499 (gnus-kill-all-overlays)
4500 (setq group (or group gnus-newsgroup-name))
4502 ;; Using `gnus-request-article' directly will insert the article into
4503 ;; `nntp-server-buffer' - so we'll save some time by not having to
4504 ;; copy it from the server buffer into the article buffer.
4506 ;; We only request an article by message-id when we do not have the
4507 ;; headers for it, so we'll have to get those.
4508 (when (stringp article)
4509 (gnus-read-header article))
4511 ;; If the article number is negative, that means that this article
4512 ;; doesn't belong in this newsgroup (possibly), so we find its
4513 ;; message-id and request it by id instead of number.
4514 (when (and (numberp article)
4516 (get-buffer gnus-summary-buffer)
4517 (gnus-buffer-exists-p gnus-summary-buffer))
4519 (set-buffer gnus-summary-buffer)
4520 (let ((header (gnus-summary-article-header article)))
4523 ((memq article gnus-newsgroup-sparse)
4524 ;; This is a sparse gap article.
4525 (setq do-update-line article)
4526 (setq article (mail-header-id header))
4527 (setq sparse-header (gnus-read-header article))
4528 (setq gnus-newsgroup-sparse
4529 (delq article gnus-newsgroup-sparse)))
4531 ;; It's a real article.
4532 (setq article (mail-header-id header)))
4534 ;; It is an extracted pseudo-article.
4535 (setq article 'pseudo)
4536 (gnus-request-pseudo-article header))))
4538 (let ((method (gnus-find-method-for-group
4539 gnus-newsgroup-name)))
4540 (when (and (eq (car method) 'nneething)
4542 (let ((dir (expand-file-name
4543 (mail-header-subject header)
4544 (file-name-as-directory
4545 (or (cadr (assq 'nneething-address method))
4547 (when (file-directory-p dir)
4548 (setq article 'nneething)
4549 (gnus-group-enter-directory dir))))))))
4552 ;; Refuse to select canceled articles.
4553 ((and (numberp article)
4555 (get-buffer gnus-summary-buffer)
4556 (gnus-buffer-exists-p gnus-summary-buffer)
4557 (eq (cdr (save-excursion
4558 (set-buffer gnus-summary-buffer)
4559 (assq article gnus-newsgroup-reads)))
4560 gnus-canceled-mark))
4562 ;; Check the backlog.
4563 ((and gnus-keep-backlog
4564 (gnus-backlog-request-article group article (current-buffer)))
4566 ;; Check asynchronous pre-fetch.
4567 ((gnus-async-request-fetched-article group article (current-buffer))
4568 (gnus-async-prefetch-next group article gnus-summary-buffer)
4569 (when (and (numberp article) gnus-keep-backlog)
4570 (gnus-backlog-enter-article group article (current-buffer)))
4573 ((and gnus-use-cache
4575 (gnus-cache-request-article article group))
4577 ;; Get the article and put into the article buffer.
4578 ((or (stringp article)
4580 (let ((gnus-override-method gnus-override-method)
4581 (methods (and (stringp article)
4582 gnus-refer-article-method))
4584 (buffer-read-only nil))
4585 (if (or (not (listp methods))
4586 (and (symbolp (car methods))
4587 (assq (car methods) nnoo-definition-alist)))
4588 (setq methods (list methods)))
4589 (when (and (null gnus-override-method)
4591 (setq gnus-override-method (pop methods)))
4593 (when (eq gnus-override-method 'current)
4594 (setq gnus-override-method gnus-current-select-method))
4596 (gnus-kill-all-overlays)
4597 (let ((gnus-newsgroup-name group))
4598 (gnus-check-group-server))
4599 (when (gnus-request-article article group (current-buffer))
4600 (when (numberp article)
4601 (gnus-async-prefetch-next group article
4602 gnus-summary-buffer)
4603 (when gnus-keep-backlog
4604 (gnus-backlog-enter-article
4605 group article (current-buffer))))
4606 (setq result 'article))
4609 (setq gnus-override-method (pop methods))
4610 (setq result 'done))))
4611 (and (eq result 'article) 'article)))
4615 ;; Associate this article with the current summary buffer.
4616 (setq gnus-article-current-summary gnus-summary-buffer)
4618 ;; Take the article from the original article buffer
4619 ;; and place it in the buffer it's supposed to be in.
4620 (when (and (get-buffer gnus-article-buffer)
4621 (equal (buffer-name (current-buffer))
4622 (buffer-name (get-buffer gnus-article-buffer))))
4624 (if (get-buffer gnus-original-article-buffer)
4625 (set-buffer gnus-original-article-buffer)
4626 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
4627 (set-buffer-multibyte nil)
4628 (buffer-disable-undo)
4629 (setq major-mode 'gnus-original-article-mode)
4630 (setq buffer-read-only t))
4631 (let (buffer-read-only)
4633 (insert-buffer-substring gnus-article-buffer))
4634 (setq gnus-original-article (cons group article)))
4637 (run-hooks 'gnus-article-decode-hook)
4638 ;; Mark article as decoded or not.
4639 (setq gnus-article-decoded-p gnus-article-decode-hook))
4641 ;; Update sparse articles.
4642 (when (and do-update-line
4643 (or (numberp article)
4645 (let ((buf (current-buffer)))
4646 (set-buffer gnus-summary-buffer)
4647 (gnus-summary-update-article do-update-line sparse-header)
4648 (gnus-summary-goto-subject do-update-line nil t)
4649 (set-window-point (get-buffer-window (current-buffer) t)
4651 (set-buffer buf))))))
4657 (defcustom gnus-article-edit-mode-hook nil
4658 "Hook run in article edit mode buffers."
4659 :group 'gnus-article-various
4662 (defcustom gnus-article-edit-article-setup-function
4663 'gnus-article-mime-edit-article-setup
4664 "Function called to setup an editing article buffer."
4665 :group 'gnus-article-various
4668 (defvar gnus-article-edit-done-function nil)
4670 (defvar gnus-article-edit-mode-map nil)
4672 ;; Should we be using derived.el for this?
4673 (unless gnus-article-edit-mode-map
4674 (setq gnus-article-edit-mode-map (make-sparse-keymap))
4675 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
4677 (gnus-define-keys gnus-article-edit-mode-map
4678 "\C-c\C-c" gnus-article-edit-done
4679 "\C-c\C-k" gnus-article-edit-exit)
4681 (gnus-define-keys (gnus-article-edit-wash-map
4682 "\C-c\C-w" gnus-article-edit-mode-map)
4683 "f" gnus-article-edit-full-stops))
4685 (defun gnus-article-edit-mode ()
4686 "Major mode for editing articles.
4687 This is an extended text-mode.
4689 \\{gnus-article-edit-mode-map}"
4691 (setq major-mode 'gnus-article-edit-mode)
4692 (setq mode-name "Article Edit")
4693 (use-local-map gnus-article-edit-mode-map)
4694 (make-local-variable 'gnus-article-edit-done-function)
4695 (make-local-variable 'gnus-prev-winconf)
4696 (setq buffer-read-only nil)
4697 (buffer-enable-undo)
4699 (gnus-run-hooks 'text-mode-hook 'gnus-article-edit-mode-hook))
4701 (defun gnus-article-edit (&optional force)
4702 "Edit the current article.
4703 This will have permanent effect only in mail groups.
4704 If FORCE is non-nil, allow editing of articles even in read-only
4707 (when (and (not force)
4708 (gnus-group-read-only-p))
4709 (error "The current newsgroup does not support article editing"))
4710 (gnus-article-date-original)
4711 (gnus-article-edit-article
4713 `(lambda (no-highlight)
4715 (gnus-summary-edit-article-done
4716 ,(or (mail-header-references gnus-current-headers) "")
4717 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
4719 (defun gnus-article-edit-article (start-func exit-func)
4720 "Start editing the contents of the current article buffer."
4721 (let ((winconf (current-window-configuration)))
4722 (set-buffer gnus-article-buffer)
4723 (gnus-article-edit-mode)
4724 (funcall start-func)
4725 (gnus-configure-windows 'edit-article)
4726 (setq gnus-article-edit-done-function exit-func)
4727 (setq gnus-prev-winconf winconf)
4728 (when gnus-article-edit-article-setup-function
4729 (funcall gnus-article-edit-article-setup-function))
4730 (gnus-message 6 "C-c C-c to end edits")))
4732 (defun gnus-article-edit-done (&optional arg)
4733 "Update the article edits and exit."
4735 (let ((func gnus-article-edit-done-function)
4736 (buf (current-buffer))
4737 (start (window-start)))
4738 (remove-hook 'gnus-article-mode-hook
4739 'gnus-article-mime-edit-article-unwind)
4740 (gnus-article-edit-exit)
4743 (let ((buffer-read-only nil))
4745 ;; The cache and backlog have to be flushed somewhat.
4746 (when gnus-keep-backlog
4747 (gnus-backlog-remove-article
4748 (car gnus-article-current) (cdr gnus-article-current)))
4749 ;; Flush original article as well.
4751 (when (get-buffer gnus-original-article-buffer)
4752 (set-buffer gnus-original-article-buffer)
4753 (setq gnus-original-article nil)))
4754 (when gnus-use-cache
4755 (gnus-cache-update-article
4756 (car gnus-article-current) (cdr gnus-article-current))))
4758 (set-window-start (get-buffer-window buf) start)
4759 (set-window-point (get-buffer-window buf) (point))))
4761 (defun gnus-article-edit-exit ()
4762 "Exit the article editing without updating."
4764 ;; We remove all text props from the article buffer.
4765 (let ((buf (buffer-substring-no-properties (point-min) (point-max)))
4766 (curbuf (current-buffer))
4768 (window-start (window-start)))
4771 (let ((winconf gnus-prev-winconf))
4773 (set-window-configuration winconf)
4774 ;; Tippy-toe some to make sure that point remains where it was.
4775 (save-current-buffer
4777 (set-window-start (get-buffer-window (current-buffer)) window-start)
4780 (defun gnus-article-edit-full-stops ()
4781 "Interactively repair spacing at end of sentences."
4784 (goto-char (point-min))
4785 (search-forward-regexp "^$" nil t)
4786 (let ((case-fold-search nil))
4787 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
4790 ;;; Article editing with MIME-Edit
4793 (defcustom gnus-article-mime-edit-article-setup-hook nil
4794 "Hook run after setting up a MIME editing article buffer."
4795 :group 'gnus-article-various
4798 (defun gnus-article-mime-edit-article-unwind ()
4799 "Unwind `gnus-article-buffer' if article editing was given up."
4800 (remove-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
4801 (when mime-edit-mode-flag
4802 (mime-edit-exit 'nomime 'no-error)
4804 (when (featurep 'font-lock)
4805 (setq font-lock-defaults nil)
4806 (font-lock-mode 0)))
4808 (defun gnus-article-mime-edit-article-setup ()
4809 "Convert current buffer to MIME-Edit buffer and turn on MIME-Edit mode
4810 after replacing with the original article."
4811 (setq gnus-show-mime t)
4812 (setq gnus-article-edit-done-function
4813 `(lambda (&rest args)
4814 (when mime-edit-mode-flag
4817 (goto-char (point-min))
4818 (let (case-fold-search)
4819 (when (re-search-forward
4820 (format "^%s$" (regexp-quote mail-header-separator))
4822 (replace-match "")))
4823 (when (featurep 'font-lock)
4824 (setq font-lock-defaults nil)
4826 (apply ,gnus-article-edit-done-function args)
4827 (set-buffer gnus-original-article-buffer)
4829 (insert-buffer gnus-article-buffer)
4830 (setq gnus-current-headers (gnus-article-make-full-mail-header))
4831 (gnus-article-prepare-display)))
4832 (substitute-key-definition
4833 'gnus-article-edit-exit 'gnus-article-mime-edit-exit
4834 gnus-article-edit-mode-map)
4836 (insert-buffer gnus-original-article-buffer)
4838 (when (featurep 'font-lock)
4839 (set (make-local-variable 'font-lock-defaults)
4840 '(message-font-lock-keywords t))
4841 (font-lock-set-defaults)
4842 (turn-on-font-lock))
4843 (add-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
4844 (gnus-run-hooks 'gnus-article-mime-edit-article-setup-hook))
4846 (defun gnus-article-mime-edit-exit ()
4847 "Exit the article MIME editing without updating."
4849 (let ((winconf gnus-prev-winconf)
4851 (when mime-edit-mode-flag
4854 (goto-char (point-min))
4855 (let (case-fold-search)
4856 (when (re-search-forward
4857 (format "^%s$" (regexp-quote mail-header-separator)) nil t)
4858 (replace-match "")))
4859 (when (featurep 'font-lock)
4860 (setq font-lock-defaults nil)
4862 ;; We remove all text props from the article buffer.
4863 (setq buf (format "%s" (buffer-string)))
4864 (set-buffer (get-buffer-create gnus-original-article-buffer))
4867 (setq gnus-current-headers (gnus-article-make-full-mail-header))
4868 (gnus-article-prepare-display)
4869 (set-window-configuration winconf)))
4872 ;;; Article highlights
4875 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
4877 ;;; Internal Variables:
4879 (defcustom gnus-button-url-regexp "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\):\\)\\(//[-a-zA-Z0-9_.]+:[0-9]*\\)?\\([-a-zA-Z0-9_=!?#$@~`%&*+|\\/:;.,]\\|\\w\\)+\\([-a-zA-Z0-9_=#$@~`%&*+|\\/]\\|\\w\\)\\)"
4880 "Regular expression that matches URLs."
4881 :group 'gnus-article-buttons
4884 (defcustom gnus-button-alist
4885 `(("<\\(url:[>\n\t ]*?\\)?news:[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
4886 0 t gnus-button-message-id 2)
4887 ("\\bnews:\\([^>\n\t ]*@[^>)!;:,\n\t ]*\\)" 0 t gnus-button-message-id 1)
4888 ("\\(\\b<\\(url:[>\n\t ]*\\)?news:[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
4890 gnus-button-fetch-group 4)
4891 ("\\bnews:\\(//\\)?\\([^'\">\n\t ]+\\)" 0 t gnus-button-fetch-group 2)
4892 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)" 2
4893 t gnus-button-message-id 3)
4894 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>" 0 t gnus-url-mailto 2)
4895 ("mailto:\\([-a-zA-Z.@_+0-9%]+\\)" 0 t gnus-url-mailto 1)
4896 ("\\bmailto:\\([^ \n\t]+\\)" 0 t gnus-url-mailto 1)
4897 ;; This is how URLs _should_ be embedded in text...
4898 ("<URL: *\\([^<>]*\\)>" 0 t gnus-button-embedded-url 1)
4900 (,gnus-button-url-regexp 0 t browse-url 0))
4901 "*Alist of regexps matching buttons in article bodies.
4903 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
4904 REGEXP: is the string matching text around the button,
4905 BUTTON: is the number of the regexp grouping actually matching the button,
4906 FORM: is a lisp expression which must eval to true for the button to
4908 CALLBACK: is the function to call when the user push this button, and each
4909 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
4911 CALLBACK can also be a variable, in that case the value of that
4912 variable it the real callback function."
4913 :group 'gnus-article-buttons
4914 :type '(repeat (list regexp
4915 (integer :tag "Button")
4917 (function :tag "Callback")
4920 (integer :tag "Regexp group")))))
4922 (defcustom gnus-header-button-alist
4923 `(("^\\(References\\|Message-I[Dd]\\):" "<[^>]+>"
4924 0 t gnus-button-message-id 0)
4925 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$" 1 t gnus-button-reply 1)
4926 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
4927 0 t gnus-button-mailto 0)
4928 ("^X-[Uu][Rr][Ll]:" ,gnus-button-url-regexp 0 t browse-url 0)
4929 ("^Subject:" ,gnus-button-url-regexp 0 t browse-url 0)
4930 ("^[^:]+:" ,gnus-button-url-regexp 0 t browse-url 0)
4931 ("^[^:]+:" "\\(<\\(url: \\)?news:\\([^>\n ]*\\)>\\)" 1 t
4932 gnus-button-message-id 3))
4933 "*Alist of headers and regexps to match buttons in article heads.
4935 This alist is very similar to `gnus-button-alist', except that each
4936 alist has an additional HEADER element first in each entry:
4938 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
4940 HEADER is a regexp to match a header. For a fuller explanation, see
4941 `gnus-button-alist'."
4942 :group 'gnus-article-buttons
4943 :group 'gnus-article-headers
4944 :type '(repeat (list (regexp :tag "Header")
4946 (integer :tag "Button")
4948 (function :tag "Callback")
4951 (integer :tag "Regexp group")))))
4953 (defvar gnus-button-regexp nil)
4954 (defvar gnus-button-marker-list nil)
4955 ;; Regexp matching any of the regexps from `gnus-button-alist'.
4957 (defvar gnus-button-last nil)
4958 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
4962 (defun gnus-article-push-button (event)
4963 "Check text under the mouse pointer for a callback function.
4964 If the text under the mouse pointer has a `gnus-callback' property,
4965 call it with the value of the `gnus-data' text property."
4967 (set-buffer (window-buffer (posn-window (event-start event))))
4968 (let* ((pos (posn-point (event-start event)))
4969 (data (get-text-property pos 'gnus-data))
4970 (fun (get-text-property pos 'gnus-callback)))
4973 (funcall fun data))))
4975 (defun gnus-article-press-button ()
4976 "Check text at point for a callback function.
4977 If the text at point has a `gnus-callback' property,
4978 call it with the value of the `gnus-data' text property."
4980 (let* ((data (get-text-property (point) 'gnus-data))
4981 (fun (get-text-property (point) 'gnus-callback)))
4983 (funcall fun data))))
4985 (defun gnus-article-prev-button (n)
4986 "Move point to N buttons backward.
4987 If N is negative, move forward instead."
4989 (gnus-article-next-button (- n)))
4991 (defun gnus-article-next-button (n)
4992 "Move point to N buttons forward.
4993 If N is negative, move backward instead."
4995 (let ((function (if (< n 0) 'previous-single-property-change
4996 'next-single-property-change))
4997 (inhibit-point-motion-hooks t)
4999 (limit (if (< n 0) (point-min) (point-max))))
5001 (while (and (not (= limit (point)))
5003 ;; Skip past the current button.
5004 (when (get-text-property (point) 'gnus-callback)
5005 (goto-char (funcall function (point) 'gnus-callback nil limit)))
5006 ;; Go to the next (or previous) button.
5007 (gnus-goto-char (funcall function (point) 'gnus-callback nil limit))
5008 ;; Put point at the start of the button.
5009 (when (and backward (not (get-text-property (point) 'gnus-callback)))
5010 (goto-char (funcall function (point) 'gnus-callback nil limit)))
5011 ;; Skip past intangible buttons.
5012 (when (get-text-property (point) 'intangible)
5016 (gnus-message 5 "No more buttons"))
5019 (defun gnus-article-highlight (&optional force)
5020 "Highlight current article.
5021 This function calls `gnus-article-highlight-headers',
5022 `gnus-article-highlight-citation',
5023 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
5024 do the highlighting. See the documentation for those functions."
5025 (interactive (list 'force))
5026 (gnus-article-highlight-headers)
5027 (gnus-article-highlight-citation force)
5028 (gnus-article-highlight-signature)
5029 (gnus-article-add-buttons force)
5030 (gnus-article-add-buttons-to-head))
5032 (defun gnus-article-highlight-some (&optional force)
5033 "Highlight current article.
5034 This function calls `gnus-article-highlight-headers',
5035 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
5036 do the highlighting. See the documentation for those functions."
5037 (interactive (list 'force))
5038 (gnus-article-highlight-headers)
5039 (gnus-article-highlight-signature)
5040 (gnus-article-add-buttons))
5042 (defun gnus-article-highlight-headers ()
5043 "Highlight article headers as specified by `gnus-header-face-alist'."
5046 (set-buffer gnus-article-buffer)
5048 (let ((alist gnus-header-face-alist)
5049 (buffer-read-only nil)
5050 (case-fold-search t)
5051 (inhibit-point-motion-hooks t)
5052 entry regexp header-face field-face from hpoints fpoints)
5053 (article-narrow-to-head)
5054 (while (setq entry (pop alist))
5055 (goto-char (point-min))
5056 (setq regexp (concat "^\\("
5057 (if (string-equal "" (nth 0 entry))
5061 header-face (nth 1 entry)
5062 field-face (nth 2 entry))
5063 (while (and (re-search-forward regexp nil t)
5067 (unless (search-forward ":" nil t)
5069 (when (and header-face
5070 (not (memq (point) hpoints)))
5071 (push (point) hpoints)
5072 (gnus-put-text-property from (point) 'face header-face))
5073 (when (and field-face
5074 (not (memq (setq from (point)) fpoints)))
5076 (if (re-search-forward "^[^ \t]" nil t)
5078 (goto-char (point-max)))
5079 (gnus-put-text-property from (point) 'face field-face))))))))
5081 (defun gnus-article-highlight-signature ()
5082 "Highlight the signature in an article.
5083 It does this by highlighting everything after
5084 `gnus-signature-separator' using `gnus-signature-face'."
5086 (when gnus-signature-face
5088 (set-buffer gnus-article-buffer)
5089 (let ((buffer-read-only nil)
5090 (inhibit-point-motion-hooks t))
5092 (when (gnus-article-narrow-to-signature)
5093 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
5094 'face gnus-signature-face)))))))
5096 (defun gnus-article-buttonize-signature ()
5097 "Add button to the signature."
5100 (set-buffer gnus-article-buffer)
5101 (let ((buffer-read-only nil)
5102 (inhibit-point-motion-hooks t))
5103 (when (gnus-article-search-signature)
5104 (gnus-article-add-button (match-beginning 0) (match-end 0)
5105 'gnus-signature-toggle
5106 (set-marker (make-marker)
5107 (1+ (match-end 0))))))))
5109 (defun gnus-button-in-region-p (b e prop)
5110 "Say whether PROP exists in the region."
5111 (text-property-not-all b e prop nil))
5113 (defun gnus-article-add-buttons (&optional force)
5114 "Find external references in the article and make buttons of them.
5115 \"External references\" are things like Message-IDs and URLs, as
5116 specified by `gnus-button-alist'."
5117 (interactive (list 'force))
5119 (set-buffer gnus-article-buffer)
5120 (let ((buffer-read-only nil)
5121 (inhibit-point-motion-hooks t)
5122 (case-fold-search t)
5123 (alist gnus-button-alist)
5125 ;; Remove all old markers.
5126 (let (marker entry new-list)
5127 (while (setq marker (pop gnus-button-marker-list))
5128 (if (or (< marker (point-min)) (>= marker (point-max)))
5129 (push marker new-list)
5131 (when (setq entry (gnus-button-entry))
5132 (put-text-property (match-beginning (nth 1 entry))
5133 (match-end (nth 1 entry))
5134 'gnus-callback nil))
5135 (set-marker marker nil)))
5136 (setq gnus-button-marker-list new-list))
5137 ;; We skip the headers.
5140 (while (setq entry (pop alist))
5141 (setq regexp (car entry))
5143 (while (re-search-forward regexp nil t)
5144 (let* ((start (and entry (match-beginning (nth 1 entry))))
5145 (end (and entry (match-end (nth 1 entry))))
5146 (from (match-beginning 0)))
5147 (when (and (or (eq t (nth 2 entry))
5148 (eval (nth 2 entry)))
5149 (not (gnus-button-in-region-p
5150 start end 'gnus-callback)))
5151 ;; That optional form returned non-nil, so we add the
5153 (gnus-article-add-button
5154 start end 'gnus-button-push
5155 (car (push (set-marker (make-marker) from)
5156 gnus-button-marker-list))))))))))
5158 ;; Add buttons to the head of an article.
5159 (defun gnus-article-add-buttons-to-head ()
5160 "Add buttons to the head of the article."
5163 (set-buffer gnus-article-buffer)
5165 (let ((buffer-read-only nil)
5166 (inhibit-point-motion-hooks t)
5167 (case-fold-search t)
5168 (alist gnus-header-button-alist)
5170 (article-narrow-to-head)
5172 ;; Each alist entry.
5173 (setq entry (car alist)
5175 (goto-char (point-min))
5176 (while (re-search-forward (car entry) nil t)
5177 ;; Each header matching the entry.
5178 (setq beg (match-beginning 0))
5179 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
5180 (match-beginning 0))
5183 (while (re-search-forward (nth 1 entry) end t)
5184 ;; Each match within a header.
5185 (let* ((entry (cdr entry))
5186 (start (match-beginning (nth 1 entry)))
5187 (end (match-end (nth 1 entry)))
5188 (form (nth 2 entry)))
5189 (goto-char (match-end 0))
5191 (gnus-article-add-button
5192 start end (nth 3 entry)
5193 (buffer-substring (match-beginning (nth 4 entry))
5194 (match-end (nth 4 entry)))))))
5195 (goto-char end)))))))
5197 ;;; External functions:
5199 (defun gnus-article-add-button (from to fun &optional data)
5200 "Create a button between FROM and TO with callback FUN and data DATA."
5201 (when gnus-article-button-face
5202 (gnus-overlay-put (gnus-make-overlay from to)
5203 'face gnus-article-button-face))
5204 (gnus-add-text-properties
5206 (nconc (and gnus-article-mouse-face
5207 (list gnus-mouse-face-prop gnus-article-mouse-face))
5208 (list 'gnus-callback fun)
5209 (and data (list 'gnus-data data))))
5210 (widget-convert-button 'link from to :action 'gnus-widget-press-button
5211 ;; Quote `:button-keymap' for Mule 2.3
5212 ;; but it won't work.
5213 ':button-keymap gnus-widget-button-keymap))
5215 ;;; Internal functions:
5217 (defun gnus-article-set-globals ()
5219 (set-buffer gnus-summary-buffer)
5220 (gnus-set-global-variables)))
5222 (defun gnus-signature-toggle (end)
5224 (set-buffer gnus-article-buffer)
5225 (let ((buffer-read-only nil)
5226 (inhibit-point-motion-hooks t)
5227 (limit (next-single-property-change end 'mime-view-entity
5229 (if (get-text-property end 'invisible)
5230 (gnus-article-unhide-text end limit)
5231 (gnus-article-hide-text end limit gnus-hidden-properties)))))
5233 (defun gnus-button-entry ()
5234 ;; Return the first entry in `gnus-button-alist' matching this place.
5235 (let ((alist gnus-button-alist)
5238 (setq entry (pop alist))
5239 (if (looking-at (car entry))
5244 (defun gnus-button-push (marker)
5245 ;; Push button starting at MARKER.
5248 (let* ((entry (gnus-button-entry))
5249 (inhibit-point-motion-hooks t)
5251 (args (mapcar (lambda (group)
5252 (let ((string (match-string group)))
5253 (gnus-set-text-properties
5254 0 (length string) nil string)
5261 (fboundp (symbol-value fun)))
5262 (apply (symbol-value fun) args))
5264 (gnus-message 1 "You must define `%S' to use this button"
5265 (cons fun args)))))))
5267 (defun gnus-button-message-id (message-id)
5270 (set-buffer gnus-summary-buffer)
5271 (gnus-summary-refer-article message-id)))
5273 (defun gnus-button-fetch-group (address)
5274 "Fetch GROUP specified by ADDRESS."
5275 (if (not (string-match "[:/]" address))
5276 ;; This is just a simple group url.
5277 (gnus-group-read-ephemeral-group address gnus-select-method)
5278 (if (not (string-match "^\\([^:/]+\\)\\(:\\([^/]+\\)/\\)?\\(.*\\)$"
5280 (error "Can't parse %s" address)
5281 (gnus-group-read-ephemeral-group
5282 (match-string 4 address)
5283 `(nntp ,(match-string 1 address)
5284 (nntp-address ,(match-string 1 address))
5285 (nntp-port-number ,(if (match-end 3)
5286 (match-string 3 address)
5289 (defun gnus-url-parse-query-string (query &optional downcase)
5290 (let (retval pairs cur key val)
5291 (setq pairs (split-string query "&"))
5293 (setq cur (car pairs)
5295 (if (not (string-match "=" cur))
5297 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
5298 val (gnus-url-unhex-string (substring cur (match-end 0) nil)))
5300 (setq key (downcase key)))
5301 (setq cur (assoc key retval))
5303 (setcdr cur (cons val (cdr cur)))
5304 (setq retval (cons (list key val) retval)))))
5307 (defun gnus-url-unhex (x)
5314 (defun gnus-url-unhex-string (str &optional allow-newlines)
5315 "Remove %XXX embedded spaces, etc in a url.
5316 If optional second argument ALLOW-NEWLINES is non-nil, then allow the
5317 decoding of carriage returns and line feeds in the string, which is normally
5318 forbidden in URL encoding."
5319 (setq str (or str ""))
5321 (case-fold-search t))
5322 (while (string-match "%[0-9a-f][0-9a-f]" str)
5323 (let* ((start (match-beginning 0))
5324 (ch1 (gnus-url-unhex (elt str (+ start 1))))
5326 (gnus-url-unhex (elt str (+ start 2))))))
5328 tmp (substring str 0 start)
5331 (char-to-string code))
5332 ((or (= code ?\n) (= code ?\r))
5334 (t (char-to-string code))))
5335 str (substring str (match-end 0)))))
5336 (setq tmp (concat tmp str))
5339 (defun gnus-url-mailto (url)
5340 ;; Send mail to someone
5341 (when (string-match "mailto:/*\\(.*\\)" url)
5342 (setq url (substring url (match-beginning 1) nil)))
5343 (let (to args subject func)
5344 (if (string-match (regexp-quote "?") url)
5345 (setq to (gnus-url-unhex-string (substring url 0 (match-beginning 0)))
5346 args (gnus-url-parse-query-string
5347 (substring url (match-end 0) nil) t))
5348 (setq to (gnus-url-unhex-string url)))
5349 (setq args (cons (list "to" to) args)
5350 subject (cdr-safe (assoc "subject" args)))
5351 (gnus-setup-message 'reply
5354 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
5357 (message-position-on-field (caar args)))
5358 (insert (mapconcat 'identity (cdar args) ", "))
5359 (setq args (cdr args)))
5362 (message-goto-subject)))))
5364 (defun gnus-button-mailto (address)
5366 (set-buffer (gnus-copy-article-buffer))
5367 (message-reply address))
5369 (defalias 'gnus-button-reply 'message-reply)
5371 (defun gnus-button-embedded-url (address)
5372 "Activate ADDRESS with `browse-url'."
5373 (browse-url (gnus-strip-whitespace address)))
5375 (defun gnus-article-smiley-display ()
5376 "Display \"smileys\" as small graphical icons."
5377 (smiley-toggle-buffer 1 (current-buffer) (point-min) (point-max)))
5379 ;;; Next/prev buttons in the article buffer.
5381 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
5382 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
5384 (defvar gnus-prev-page-map nil)
5385 (unless gnus-prev-page-map
5386 (setq gnus-prev-page-map (make-sparse-keymap))
5387 (define-key gnus-prev-page-map gnus-mouse-2 'gnus-button-prev-page)
5388 (define-key gnus-prev-page-map "\r" 'gnus-button-prev-page))
5390 (static-if (featurep 'xemacs)
5391 (defun gnus-insert-prev-page-button ()
5392 (let ((buffer-read-only nil))
5394 gnus-prev-page-line-format nil
5395 `(gnus-prev t local-map ,gnus-prev-page-map
5396 gnus-callback gnus-article-button-prev-page
5397 article-type annotation))))
5398 (defun gnus-insert-prev-page-button ()
5399 (let ((buffer-read-only nil)
5400 (situation (get-text-property (point-min) 'mime-view-situation)))
5401 (set-keymap-parent gnus-prev-page-map (current-local-map))
5403 gnus-prev-page-line-format nil
5404 `(gnus-prev t local-map ,gnus-prev-page-map
5405 gnus-callback gnus-article-button-prev-page
5406 article-type annotation
5407 mime-view-situation ,situation))))
5410 (defvar gnus-next-page-map nil)
5411 (unless gnus-next-page-map
5412 (setq gnus-next-page-map (make-sparse-keymap))
5413 (define-key gnus-next-page-map gnus-mouse-2 'gnus-button-next-page)
5414 (define-key gnus-next-page-map "\r" 'gnus-button-next-page))
5416 (defun gnus-button-next-page ()
5417 "Go to the next page."
5419 (let ((win (selected-window)))
5420 (select-window (get-buffer-window gnus-article-buffer t))
5421 (gnus-article-next-page)
5422 (select-window win)))
5424 (defun gnus-button-prev-page ()
5425 "Go to the prev page."
5427 (let ((win (selected-window)))
5428 (select-window (get-buffer-window gnus-article-buffer t))
5429 (gnus-article-prev-page)
5430 (select-window win)))
5432 (static-if (featurep 'xemacs)
5433 (defun gnus-insert-next-page-button ()
5434 (let ((buffer-read-only nil))
5435 (gnus-eval-format gnus-next-page-line-format nil
5437 t local-map ,gnus-next-page-map
5438 gnus-callback gnus-article-button-next-page
5439 article-type annotation))))
5440 (defun gnus-insert-next-page-button ()
5441 (let ((buffer-read-only nil)
5442 (situation (get-text-property (point-min) 'mime-view-situation)))
5443 (set-keymap-parent gnus-next-page-map (current-local-map))
5444 (gnus-eval-format gnus-next-page-line-format nil
5446 t local-map ,gnus-next-page-map
5447 gnus-callback gnus-article-button-next-page
5448 article-type annotation
5449 mime-view-situation ,situation))))
5452 (defun gnus-article-button-next-page (arg)
5453 "Go to the next page."
5455 (let ((win (selected-window)))
5456 (select-window (get-buffer-window gnus-article-buffer t))
5457 (gnus-article-next-page)
5458 (select-window win)))
5460 (defun gnus-article-button-prev-page (arg)
5461 "Go to the prev page."
5463 (let ((win (selected-window)))
5464 (select-window (get-buffer-window gnus-article-buffer t))
5465 (gnus-article-prev-page)
5466 (select-window win)))
5468 (defvar gnus-decode-header-methods
5469 '(mail-decode-encoded-word-region)
5470 "List of methods used to decode headers.
5472 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
5473 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
5474 (REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
5475 whose names match REGEXP.
5478 ((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
5479 mail-decode-encoded-word-region
5480 (\"chinese\" . rfc1843-decode-region))
5483 (defvar gnus-decode-header-methods-cache nil)
5485 (defun gnus-multi-decode-header (start end)
5486 "Apply the functions from `gnus-encoded-word-methods' that match."
5487 (unless (and gnus-decode-header-methods-cache
5488 (eq gnus-newsgroup-name
5489 (car gnus-decode-header-methods-cache)))
5490 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
5493 (nconc gnus-decode-header-methods-cache (list x))
5494 (if (and gnus-newsgroup-name
5495 (string-match (car x) gnus-newsgroup-name))
5496 (nconc gnus-decode-header-methods-cache
5498 gnus-decode-header-methods))
5499 (let ((xlist gnus-decode-header-methods-cache))
5502 (narrow-to-region start end)
5504 (funcall (pop xlist) (point-min) (point-max))))))
5507 ;;; Treatment top-level handling.
5510 (defun gnus-treat-article (condition &optional part-number total-parts type)
5511 (let ((length (- (point-max) (point-min)))
5512 (alist gnus-treatment-function-alist)
5513 (article-goto-body-goes-to-point-min-p t)
5517 (let ((list gnus-article-treat-types))
5519 (when (string-match (pop list) type)
5520 (throw 'found t)))))))
5521 (highlightp (gnus-visual-p 'article-highlight 'highlight))
5522 (entity (static-unless (featurep 'xemacs)
5523 (when (eq 'head condition)
5524 (get-text-property (point-min) 'mime-view-entity))))
5525 val elem buttonized)
5526 (gnus-run-hooks 'gnus-part-display-hook)
5527 (unless gnus-inhibit-treatment
5528 (while (setq elem (pop alist))
5531 (if (gnus-buffer-live-p gnus-summary-buffer)
5532 (set-buffer gnus-summary-buffer))
5533 (symbol-value (car elem))))
5534 (when (and (or (consp val)
5536 (gnus-treat-predicate val)
5537 (or (not (get (car elem) 'highlight))
5539 (when (and (not buttonized)
5541 '(gnus-treat-hide-signature
5542 gnus-treat-highlight-signature)))
5543 (gnus-article-buttonize-signature)
5544 (setq buttonized t))
5546 (funcall (cadr elem)))))
5547 ;; FSF Emacsen does not inherit the existing text properties
5548 ;; in the new text, so we should do it for `mime-view-entity'.
5549 (static-unless (featurep 'xemacs)
5551 (put-text-property (point-min) (point-max)
5552 'mime-view-entity entity))))))
5554 ;; Dynamic variables.
5556 (defvar part-number)
5557 (defvar total-parts)
5562 (defun gnus-treat-predicate (val)
5567 (stringp (car val)))
5568 (apply 'gnus-or (mapcar `(lambda (s)
5569 (string-match s ,(or gnus-newsgroup-name "")))
5572 (let ((pred (pop val)))
5575 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
5577 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
5579 (not (gnus-treat-predicate (car val))))
5581 (equal (car val) type))
5583 (error "%S is not a valid predicate" pred)))))
5593 (eq part-number total-parts))
5597 (error "%S is not a valid value" val))))
5599 (defun gnus-article-encrypt-body (protocol &optional n)
5600 "Encrypt the article body."
5603 (or gnus-article-encrypt-protocol
5604 (completing-read "Encrypt protocol: "
5605 gnus-article-encrypt-protocol-alist
5607 current-prefix-arg))
5608 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
5610 (error (format "Can't find the encrypt protocol %s" protocol)))
5611 (if (equal gnus-newsgroup-name "nndraft:drafts")
5612 (error "Can't encrypt the article in group nndraft:drafts."))
5613 (if (equal gnus-newsgroup-name "nndraft:queue")
5614 (error "Don't encrypt the article in group nndraft:queue."))
5615 (gnus-summary-iterate n
5617 (set-buffer gnus-summary-buffer)
5618 (let ((mail-parse-charset gnus-newsgroup-charset)
5619 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
5620 (summary-buffer gnus-summary-buffer)
5622 (gnus-set-global-variables)
5623 (when (gnus-group-read-only-p)
5624 (error "The current newsgroup does not support article encrypt"))
5625 (gnus-summary-show-article t)
5627 (or (mail-header-references gnus-current-headers) ""))
5628 (set-buffer gnus-article-buffer)
5629 (let* ((buffer-read-only nil)
5631 (mapcar (lambda (field)
5632 (and (save-restriction
5633 (message-narrow-to-head)
5634 (goto-char (point-min))
5635 (search-forward field nil t))
5637 (message-narrow-to-field)
5638 (buffer-substring (point-min) (point-max))
5639 (delete-region (point-min) (point-max))
5641 '("Content-Type:" "Content-Transfer-Encoding:"
5642 "Content-Disposition:"))))
5643 (message-narrow-to-head)
5644 (message-remove-header "MIME-Version")
5645 (goto-char (point-max))
5646 (setq point (point))
5647 (insert (apply 'concat headers))
5649 (narrow-to-region point (point-max))
5650 (let ((message-options message-options))
5651 (message-options-set 'message-sender user-mail-address)
5652 (message-options-set 'message-recipients user-mail-address)
5653 (message-options-set 'message-sign-encrypt 'not)
5655 (goto-char (point-min))
5656 (insert "MIME-Version: 1.0\n")
5658 (gnus-summary-edit-article-done
5659 references nil summary-buffer t))
5660 (when gnus-keep-backlog
5661 (gnus-backlog-remove-article
5662 (car gnus-article-current) (cdr gnus-article-current)))
5664 (when (get-buffer gnus-original-article-buffer)
5665 (set-buffer gnus-original-article-buffer)
5666 (setq gnus-original-article nil)))
5667 (when gnus-use-cache
5668 (gnus-cache-update-article
5669 (car gnus-article-current) (cdr gnus-article-current))))))))
5671 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]]%)%}\n"
5672 "The following specs can be used:
5673 %t The security MIME type
5674 %i Additional info")
5676 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]]%)%}\n"
5677 "The following specs can be used:
5678 %t The security MIME type
5679 %i Additional info")
5681 (defvar gnus-mime-security-button-line-format-alist
5682 '((?t gnus-tmp-type ?s)
5683 (?i gnus-tmp-info ?s)))
5685 (defvar gnus-mime-security-button-map
5686 (let ((map (make-sparse-keymap)))
5687 (set-keymap-parent map gnus-article-mode-map)
5688 (define-key map gnus-mouse-2 'gnus-article-push-button)
5689 (define-key map "\r" 'gnus-article-press-button)
5692 (defvar gnus-mime-security-details-buffer nil)
5694 (defun gnus-mime-security-verify-or-decrypt (handle)
5695 (mm-remove-parts (cdr handle))
5696 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
5699 (delete-region (car region) (cdr region))
5700 (set-marker (car region) nil)
5701 (set-marker (cdr region) nil)))
5702 (with-current-buffer (mm-handle-multipart-original-buffer handle)
5703 (let* ((mm-verify-option 'known)
5704 (mm-decrypt-option 'known)
5705 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
5706 (unless (eq nparts (cdr handle))
5707 (mm-destroy-parts (cdr handle))
5708 (setcdr handle nparts))))
5709 (let ((point (point))
5711 (gnus-mime-display-security handle)
5714 (defun gnus-mime-security-show-details (handle)
5715 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
5718 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
5719 (with-current-buffer gnus-mime-security-details-buffer
5722 (setq gnus-mime-security-details-buffer
5723 (gnus-get-buffer-create "*MIME Security Details*")))
5724 (with-current-buffer gnus-mime-security-details-buffer
5726 (pop-to-buffer gnus-mime-security-details-buffer))
5727 (gnus-message 5 "No details."))))
5729 (defun gnus-mime-security-press-button (handle)
5730 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
5731 (gnus-mime-security-show-details handle)
5732 (gnus-mime-security-verify-or-decrypt handle)))
5734 (defun gnus-insert-mime-security-button (handle &optional displayed)
5735 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
5738 (or (nth 2 (assoc protocol mm-verify-function-alist))
5739 (nth 2 (assoc protocol mm-decrypt-function-alist))
5741 (if (equal (car handle) "multipart/signed")
5742 " Signed" " Encrypted")
5745 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
5752 gnus-mime-security-button-line-format
5753 gnus-mime-security-button-line-format-alist
5754 `(local-map ,gnus-mime-security-button-map
5755 keymap ,gnus-mime-security-button-map
5756 gnus-callback gnus-mime-security-press-button
5757 article-type annotation
5760 (widget-convert-button
5763 :action 'gnus-widget-press-button
5764 :button-keymap gnus-mime-security-button-map
5766 (lambda (widget/window &optional overlay pos)
5767 ;; Needed to properly clear the message due to a bug in
5768 ;; wid-edit (XEmacs only).
5769 (if (boundp 'help-echo-owns-message)
5770 (setq help-echo-owns-message t))
5773 (aref gnus-mouse-2 0))))))
5775 (defun gnus-mime-display-security (handle)
5777 (narrow-to-region (point) (point))
5778 (gnus-insert-mime-security-button handle)
5779 (gnus-mime-display-mixed (cdr handle))
5782 (let ((gnus-mime-security-button-line-format
5783 gnus-mime-security-button-end-line-format))
5784 (gnus-insert-mime-security-button handle))
5785 (mm-set-handle-multipart-parameter handle 'gnus-region
5786 (cons (set-marker (make-marker)
5788 (set-marker (make-marker)
5795 (defun gnus-article-header-presentation-method (entity situation)
5796 (mime-insert-header entity)
5799 (set-alist 'mime-header-presentation-method-alist
5800 'gnus-original-article-mode
5801 #'gnus-article-header-presentation-method)
5803 (defun gnus-mime-preview-quitting-method ()
5804 (mime-preview-kill-buffer)
5805 (delete-other-windows)
5806 (gnus-article-show-summary)
5807 (gnus-summary-select-article gnus-show-all-headers t))
5809 (set-alist 'mime-preview-quitting-method-alist
5810 'gnus-original-article-mode #'gnus-mime-preview-quitting-method)
5812 (set-alist 'mime-preview-following-method-alist
5813 'gnus-original-article-mode #'gnus-following-method)
5815 (set-alist 'mime-preview-over-to-previous-method-alist
5816 'gnus-original-article-mode
5818 (if (> (point-min) 1)
5819 (gnus-article-prev-page)
5820 (gnus-article-read-summary-keys
5821 nil (gnus-character-to-event ?P)))))
5823 (set-alist 'mime-preview-over-to-next-method-alist
5824 'gnus-original-article-mode'
5826 (if (< (point-max) (buffer-size))
5827 (gnus-article-next-page)
5828 (gnus-article-read-summary-keys
5829 nil (gnus-character-to-event ?N)))))
5839 (run-hooks 'gnus-art-load-hook)
5841 ;;; gnus-art.el ends here