1 ;;; gnus-art.el --- article mode commands for Gnus
3 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 ;; 2005 Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
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., 51 Franklin Street, Fifth Floor,
24 ;; Boston, MA 02110-1301, USA.
33 (defvar w3m-minor-mode-map))
36 ;; Avoid the "Recursive load suspected" error in Emacs 21.1.
38 (let ((recursive-load-depth-limit 100))
51 (autoload 'gnus-msg-mail "gnus-msg" nil t)
52 (autoload 'gnus-button-mailto "gnus-msg")
53 (autoload 'gnus-button-reply "gnus-msg" nil t)
54 (autoload 'parse-time-string "parse-time" nil nil)
55 (autoload 'ansi-color-apply-on-region "ansi-color")
57 (defgroup gnus-article nil
59 :link '(custom-manual "(gnus)Article Buffer")
62 (defgroup gnus-article-treat nil
63 "Treating article parts."
64 :link '(custom-manual "(gnus)Article Hiding")
67 (defgroup gnus-article-hiding nil
68 "Hiding article parts."
69 :link '(custom-manual "(gnus)Article Hiding")
72 (defgroup gnus-article-highlight nil
73 "Article highlighting."
74 :link '(custom-manual "(gnus)Article Highlighting")
78 (defgroup gnus-article-signature nil
80 :link '(custom-manual "(gnus)Article Signature")
83 (defgroup gnus-article-headers nil
85 :link '(custom-manual "(gnus)Hiding Headers")
88 (defgroup gnus-article-washing nil
89 "Special commands on articles."
90 :link '(custom-manual "(gnus)Article Washing")
93 (defgroup gnus-article-emphasis nil
94 "Fontisizing articles."
95 :link '(custom-manual "(gnus)Article Fontisizing")
98 (defgroup gnus-article-saving nil
100 :link '(custom-manual "(gnus)Saving Articles")
101 :group 'gnus-article)
103 (defgroup gnus-article-mime nil
104 "Worshiping the MIME wonder."
105 :link '(custom-manual "(gnus)Using MIME")
106 :group 'gnus-article)
108 (defgroup gnus-article-buttons nil
109 "Pushable buttons in the article buffer."
110 :link '(custom-manual "(gnus)Article Buttons")
111 :group 'gnus-article)
113 (defgroup gnus-article-various nil
114 "Other article options."
115 :link '(custom-manual "(gnus)Misc Article")
116 :group 'gnus-article)
118 (defcustom gnus-ignored-headers
121 (concat "^" header ":"))
122 '("Path" "Expires" "Date-Received" "References" "Xref" "Lines"
123 "Relay-Version" "Message-ID" "Approved" "Sender" "Received"
124 "X-UIDL" "MIME-Version" "Return-Path" "In-Reply-To"
125 "Content-Type" "Content-Transfer-Encoding" "X-WebTV-Signature"
126 "X-MimeOLE" "X-MSMail-Priority" "X-Priority" "X-Loop"
127 "X-Authentication-Warning" "X-MIME-Autoconverted" "X-Face"
128 "X-Attribution" "X-Originating-IP" "Delivered-To"
129 "NNTP-[-A-Za-z]+" "Distribution" "X-no-archive" "X-Trace"
130 "X-Complaints-To" "X-NNTP-Posting-Host" "X-Orig.*"
131 "Abuse-Reports-To" "Cache-Post-Path" "X-Article-Creation-Date"
132 "X-Poster" "X-Mail2News-Path" "X-Server-Date" "X-Cache"
133 "Originator" "X-Problems-To" "X-Auth-User" "X-Post-Time"
134 "X-Admin" "X-UID" "Resent-[-A-Za-z]+" "X-Mailing-List"
135 "Precedence" "Original-[-A-Za-z]+" "X-filename" "X-Orcpt"
136 "Old-Received" "X-Pgp" "X-Auth" "X-From-Line"
137 "X-Gnus-Article-Number" "X-Majordomo" "X-Url" "X-Sender"
138 "MBOX-Line" "Priority" "X400-[-A-Za-z]+"
139 "Status" "X-Gnus-Mail-Source" "Cancel-Lock"
140 "X-FTN" "X-EXP32-SerialNo" "Encoding" "Importance"
141 "Autoforwarded" "Original-Encoded-Information-Types" "X-Ya-Pop3"
142 "X-Face-Version" "X-Vms-To" "X-ML-NAME" "X-ML-COUNT"
143 "Mailing-List" "X-finfo" "X-md5sum" "X-md5sum-Origin"
144 "X-Sun-Charset" "X-Accept-Language" "X-Envelope-Sender"
145 "List-[A-Za-z]+" "X-Listprocessor-Version"
146 "X-Received" "X-Distribute" "X-Sequence" "X-Juno-Line-Breaks"
147 "X-Notes-Item" "X-MS-TNEF-Correlator" "x-uunet-gateway"
148 "X-Received" "Content-length" "X-precedence"
149 "X-Authenticated-User" "X-Comment" "X-Report" "X-Abuse-Info"
150 "X-HTTP-Proxy" "X-Mydeja-Info" "X-Copyright" "X-No-Markup"
151 "X-Abuse-Info" "X-From_" "X-Accept-Language" "Errors-To"
152 "X-BeenThere" "X-Mailman-Version" "List-Help" "List-Post"
153 "List-Subscribe" "List-Id" "List-Unsubscribe" "List-Archive"
154 "X-Content-length" "X-Posting-Agent" "Original-Received"
155 "X-Request-PGP" "X-Fingerprint" "X-WRIEnvto" "X-WRIEnvfrom"
156 "X-Virus-Scanned" "X-Delivery-Agent" "Posted-Date" "X-Gateway"
157 "X-Local-Origin" "X-Local-Destination" "X-UserInfo1"
158 "X-Received-Date" "X-Hashcash" "Face" "X-DMCA-Notifications"
159 "X-Abuse-and-DMCA-Info" "X-Postfilter" "X-Gpg-.*" "X-Disclaimer"))
160 "*All headers that start with this regexp will be hidden.
161 This variable can also be a list of regexps of headers to be ignored.
162 If `gnus-visible-headers' is non-nil, this variable will be ignored."
163 :type '(choice :custom-show nil
166 :group 'gnus-article-hiding)
168 (defcustom gnus-visible-headers
169 "^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:"
170 "*All headers that do not match this regexp will be hidden.
171 This variable can also be a list of regexp of headers to remain visible.
172 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
173 :type '(repeat :value-to-internal (lambda (widget value)
174 (custom-split-regexp-maybe value))
175 :match (lambda (widget value)
177 (widget-editable-list-match widget value)))
179 :group 'gnus-article-hiding)
181 (defcustom gnus-sorted-header-list
182 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
183 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
184 "*This variable is a list of regular expressions.
185 If it is non-nil, headers that match the regular expressions will
186 be placed first in the article buffer in the sequence specified by
188 :type '(repeat regexp)
189 :group 'gnus-article-hiding)
191 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
192 "Headers that are only to be displayed if they have interesting data.
193 Possible values in this list are:
195 'empty Headers with no content.
196 'newsgroups Newsgroup identical to Gnus group.
197 'to-address To identical to To-address.
198 'to-list To identical to To-list.
199 'cc-list CC identical to To-list.
200 'followup-to Followup-to identical to Newsgroups.
201 'reply-to Reply-to identical to From.
202 'date Date less than four days old.
203 'long-to To and/or Cc longer than 1024 characters.
204 'many-to Multiple To and/or Cc."
205 :type '(set (const :tag "Headers with no content." empty)
206 (const :tag "Newsgroups identical to Gnus group." newsgroups)
207 (const :tag "To identical to To-address." to-address)
208 (const :tag "To identical to To-list." to-list)
209 (const :tag "CC identical to To-list." cc-list)
210 (const :tag "Followup-to identical to Newsgroups." followup-to)
211 (const :tag "Reply-to identical to From." reply-to)
212 (const :tag "Date less than four days old." date)
213 (const :tag "To and/or Cc longer than 1024 characters." long-to)
214 (const :tag "Multiple To and/or Cc headers." many-to))
215 :group 'gnus-article-hiding)
217 (defcustom gnus-article-skip-boring nil
218 "Skip over text that is not worth reading.
219 By default, if you set this t, then Gnus will display citations and
220 signatures, but will never scroll down to show you a page consisting
221 only of boring text. Boring text is controlled by
222 `gnus-article-boring-faces'."
225 :group 'gnus-article-hiding)
227 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
228 "Regexp matching signature separator.
229 This can also be a list of regexps. In that case, it will be checked
230 from head to tail looking for a separator. Searches will be done from
231 the end of the buffer."
232 :type '(repeat string)
233 :group 'gnus-article-signature)
235 (defcustom gnus-signature-limit nil
236 "Provide a limit to what is considered a signature.
237 If it is a number, no signature may not be longer (in characters) than
238 that number. If it is a floating point number, no signature may be
239 longer (in lines) than that number. If it is a function, the function
240 will be called without any parameters, and if it returns nil, there is
241 no signature in the buffer. If it is a string, it will be used as a
242 regexp. If it matches, the text in question is not a signature.
244 This can also be a list of the above values."
245 :type '(choice (const nil)
248 (function :value fun)
249 (regexp :value ".*"))
250 :group 'gnus-article-signature)
252 (defcustom gnus-hidden-properties '(invisible t intangible t)
253 "Property list to use for hiding text."
255 :group 'gnus-article-hiding)
257 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
258 ;; frames in a session.
259 (defcustom gnus-article-x-face-command
260 (if (featurep 'xemacs)
261 (if (or (gnus-image-type-available-p 'xface)
262 (gnus-image-type-available-p 'pbm))
263 'gnus-display-x-face-in-from
264 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -")
265 (if (gnus-image-type-available-p 'pbm)
266 'gnus-display-x-face-in-from
267 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
269 "*String or function to be executed to display an X-Face header.
270 If it is a string, the command will be executed in a sub-shell
271 asynchronously. The compressed face will be piped to this command."
272 :type `(choice string
273 (function-item gnus-display-x-face-in-from)
277 :group 'gnus-article-washing)
279 (defcustom gnus-article-x-face-too-ugly nil
280 "Regexp matching posters whose face shouldn't be shown automatically."
281 :type '(choice regexp (const nil))
282 :group 'gnus-article-washing)
284 (defcustom gnus-article-banner-alist nil
285 "Banner alist for stripping.
287 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
289 :type '(repeat (cons symbol regexp))
290 :group 'gnus-article-washing)
292 (gnus-define-group-parameter
295 "Alist of regexps (to match group names) and banner."
296 :variable-group gnus-article-washing
298 '(choice :tag "Banner"
300 (const :tag "Remove signature" signature)
301 (symbol :tag "Item in `gnus-article-banner-alist'" none)
303 (const :tag "None" nil))
305 "If non-nil, specify how to remove `banners' from articles.
307 Symbol `signature' means to remove signatures delimited by
308 `gnus-signature-separator'. Any other symbol is used to look up a
309 regular expression to match the banner in `gnus-article-banner-alist'.
310 A string is used as a regular expression to match the banner
313 (defcustom gnus-article-address-banner-alist nil
314 "Alist of mail addresses and banners.
315 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
316 to match a mail address in the From: header, BANNER is one of a symbol
317 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
318 If ADDRESS matches author's mail address, it will remove things like
319 advertisements. For example:
321 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
325 (regexp :tag "Address")
326 (choice :tag "Banner" :value nil
327 (const :tag "Remove signature" signature)
328 (symbol :tag "Item in `gnus-article-banner-alist'" none)
330 (const :tag "None" nil))))
332 :group 'gnus-article-washing)
334 (defmacro gnus-emphasis-custom-with-format (&rest body)
336 \\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\
337 \\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)"))
340 (defun gnus-emphasis-custom-value-to-external (value)
341 (gnus-emphasis-custom-with-format
342 (if (consp (car value))
343 (list (format format (car (car value)) (cdr (car value)))
345 (if (nth 1 value) 2 3)
349 (defun gnus-emphasis-custom-value-to-internal (value)
350 (gnus-emphasis-custom-with-format
351 (let ((regexp (concat "\\`"
352 (format (regexp-quote format)
353 "\\([^()]+\\)" "\\([^()]+\\)")
356 (if (string-match regexp (setq pattern (car value)))
357 (list (cons (match-string 1 pattern) (match-string 2 pattern))
362 (defcustom gnus-emphasis-alist
364 '(("\\*" "\\*" bold nil 2)
367 ("_/" "/_" underline-italic)
368 ("_\\*" "\\*_" underline-bold)
369 ("\\*/" "/\\*" bold-italic)
370 ("_\\*/" "/\\*_" underline-bold-italic))))
372 (gnus-emphasis-custom-with-format
373 (mapcar (lambda (spec)
374 (list (format format (car spec) (cadr spec))
377 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
379 '(;; I've never seen anyone use this strikethru convention whereas I've
380 ;; several times seen it triggered by normal text. --Stef
381 ;; Miles suggests that this form is sometimes used but for italics,
382 ;; so maybe we should map it to `italic'.
383 ;; ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
384 ;; 2 3 gnus-emphasis-strikethru)
385 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
386 2 3 gnus-emphasis-underline))))
387 "*Alist that says how to fontify certain phrases.
388 Each item looks like this:
390 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
392 The first element is a regular expression to be matched. The second
393 is a number that says what regular expression grouping used to find
394 the entire emphasized word. The third is a number that says what
395 regexp grouping should be displayed and highlighted. The fourth
396 is the face used for highlighting."
400 :format "%[Customizing Style%]\n%v"
402 (group :tag "Default"
403 :value ("" 0 0 default)
406 (let ((value (widget-get
407 (cadr (widget-get (widget-get widget :parent)
410 (if (not (eq (nth 2 value) 'default))
414 (gnus-emphasis-custom-value-to-external value))))
415 (widget-group-value-create widget))
417 (integer :format "Match group: %v")
418 (integer :format "Emphasize group: %v")
421 :value (("_" . "_") nil default)
423 (regexp :format "Start regexp: %v")
424 (regexp :format "End regexp: %v"))
425 (boolean :format "Show start and end patterns: %[%v%]\n"
426 :on " On " :off " Off ")
428 :get (lambda (symbol)
429 (mapcar 'gnus-emphasis-custom-value-to-internal
430 (default-value symbol)))
431 :set (lambda (symbol value)
432 (set-default symbol (mapcar 'gnus-emphasis-custom-value-to-external
434 :group 'gnus-article-emphasis)
436 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
437 "A regexp to describe whitespace which should not be emphasized.
438 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
439 The former avoids underlining of leading and trailing whitespace,
440 and the latter avoids underlining any whitespace at all."
442 :group 'gnus-article-emphasis
445 (defface gnus-emphasis-bold '((t (:bold t)))
446 "Face used for displaying strong emphasized text (*word*)."
447 :group 'gnus-article-emphasis)
449 (defface gnus-emphasis-italic '((t (:italic t)))
450 "Face used for displaying italic emphasized text (/word/)."
451 :group 'gnus-article-emphasis)
453 (defface gnus-emphasis-underline '((t (:underline t)))
454 "Face used for displaying underlined emphasized text (_word_)."
455 :group 'gnus-article-emphasis)
457 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
458 "Face used for displaying underlined bold emphasized text (_*word*_)."
459 :group 'gnus-article-emphasis)
461 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
462 "Face used for displaying underlined italic emphasized text (_/word/_)."
463 :group 'gnus-article-emphasis)
465 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
466 "Face used for displaying bold italic emphasized text (/*word*/)."
467 :group 'gnus-article-emphasis)
469 (defface gnus-emphasis-underline-bold-italic
470 '((t (:bold t :italic t :underline t)))
471 "Face used for displaying underlined bold italic emphasized text.
472 Example: (_/*word*/_)."
473 :group 'gnus-article-emphasis)
475 (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
476 '((t (:strikethru t)))
477 '((t (:strike-through t))))
478 "Face used for displaying strike-through text (-word-)."
479 :group 'gnus-article-emphasis)
481 (defface gnus-emphasis-highlight-words
482 '((t (:background "black" :foreground "yellow")))
483 "Face used for displaying highlighted words."
484 :group 'gnus-article-emphasis)
486 (defcustom gnus-article-time-format "%a, %d %b %Y %T %Z"
487 "Format for display of Date headers in article bodies.
488 See `format-time-string' for the possible values.
490 The variable can also be function, which should return a complete Date
491 header. The function is called with one argument, the time, which can
492 be fed to `format-time-string'."
493 :type '(choice string function)
494 :link '(custom-manual "(gnus)Article Date")
495 :group 'gnus-article-washing)
497 (defcustom gnus-save-all-headers t
498 "*If non-nil, don't remove any headers before saving."
499 :group 'gnus-article-saving
502 (defcustom gnus-prompt-before-saving 'always
503 "*This variable says how much prompting is to be done when saving articles.
504 If it is nil, no prompting will be done, and the articles will be
505 saved to the default files. If this variable is `always', each and
506 every article that is saved will be preceded by a prompt, even when
507 saving large batches of articles. If this variable is neither nil not
508 `always', there the user will be prompted once for a file name for
509 each invocation of the saving commands."
510 :group 'gnus-article-saving
511 :type '(choice (item always)
512 (item :tag "never" nil)
513 (sexp :tag "once" :format "%t\n" :value t)))
515 (defcustom gnus-saved-headers gnus-visible-headers
516 "Headers to keep if `gnus-save-all-headers' is nil.
517 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
518 If that variable is nil, however, all headers that match this regexp
519 will be kept while the rest will be deleted before saving."
520 :group 'gnus-article-saving
523 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
524 "A function to save articles in your favourite format.
525 The function must be interactively callable (in other words, it must
526 be an Emacs command).
528 Gnus provides the following functions:
530 * gnus-summary-save-in-rmail (Rmail format)
531 * gnus-summary-save-in-mail (Unix mail format)
532 * gnus-summary-save-in-folder (MH folder)
533 * gnus-summary-save-in-file (article format)
534 * gnus-summary-save-body-in-file (article body)
535 * gnus-summary-save-in-vm (use VM's folder format)
536 * gnus-summary-write-to-file (article format -- overwrite)."
537 :group 'gnus-article-saving
538 :type '(radio (function-item gnus-summary-save-in-rmail)
539 (function-item gnus-summary-save-in-mail)
540 (function-item gnus-summary-save-in-folder)
541 (function-item gnus-summary-save-in-file)
542 (function-item gnus-summary-save-body-in-file)
543 (function-item gnus-summary-save-in-vm)
544 (function-item gnus-summary-write-to-file)))
546 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
547 "A function generating a file name to save articles in Rmail format.
548 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
549 :group 'gnus-article-saving
552 (defcustom gnus-mail-save-name 'gnus-plain-save-name
553 "A function generating a file name to save articles in Unix mail format.
554 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
555 :group 'gnus-article-saving
558 (defcustom gnus-folder-save-name 'gnus-folder-save-name
559 "A function generating a file name to save articles in MH folder.
560 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
561 :group 'gnus-article-saving
564 (defcustom gnus-file-save-name 'gnus-numeric-save-name
565 "A function generating a file name to save articles in article format.
566 The function is called with NEWSGROUP, HEADERS, and optional
568 :group 'gnus-article-saving
571 (defcustom gnus-split-methods
572 '((gnus-article-archive-name)
573 (gnus-article-nndoc-name))
574 "*Variable used to suggest where articles are to be saved.
575 For instance, if you would like to save articles related to Gnus in
576 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
577 you could set this variable to something like:
579 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
580 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
582 This variable is an alist where the key is the match and the
583 value is a list of possible files to save in if the match is
586 If the match is a string, it is used as a regexp match on the
587 article. If the match is a symbol, that symbol will be funcalled
588 from the buffer of the article to be saved with the newsgroup as
589 the parameter. If it is a list, it will be evaled in the same
592 If this form or function returns a string, this string will be
593 used as a possible file name; and if it returns a non-nil list,
594 that list will be used as possible file names."
595 :group 'gnus-article-saving
596 :type '(repeat (choice (list :value (fun) function)
597 (cons :value ("" "") regexp (repeat string))
600 (defcustom gnus-page-delimiter "^\^L"
601 "*Regexp describing what to use as article page delimiters.
602 The default value is \"^\^L\", which is a form linefeed at the
603 beginning of a line."
605 :group 'gnus-article-various)
607 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
608 "*The format specification for the article mode line.
609 See `gnus-summary-mode-line-format' for a closer description.
611 The following additional specs are available:
613 %w The article washing status.
614 %m The number of MIME parts in the article."
616 :group 'gnus-article-various)
618 (defcustom gnus-article-mode-hook nil
619 "*A hook for Gnus article mode."
621 :group 'gnus-article-various)
623 (when (featurep 'xemacs)
624 ;; Extracted from gnus-xmas-define in order to preserve user settings
625 (when (fboundp 'turn-off-scroll-in-place)
626 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
627 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
628 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
630 (defcustom gnus-article-menu-hook nil
631 "*Hook run after the creation of the article mode menu."
633 :group 'gnus-article-various)
635 (defcustom gnus-article-prepare-hook nil
636 "*A hook called after an article has been prepared in the article buffer."
638 :group 'gnus-article-various)
640 (defcustom gnus-copy-article-ignored-headers nil
641 "List of headers to be removed when copying an article.
642 Each element is a regular expression."
643 :version "23.0" ;; No Gnus
644 :type '(repeat regexp)
645 :group 'gnus-article-various)
647 (make-obsolete-variable 'gnus-article-hide-pgp-hook
648 "This variable is obsolete in Gnus 5.10.")
650 (defcustom gnus-article-button-face 'bold
651 "Face used for highlighting buttons in the article buffer.
653 An article button is a piece of text that you can activate by pressing
654 `RET' or `mouse-2' above it."
656 :group 'gnus-article-buttons)
658 (defcustom gnus-article-mouse-face 'highlight
659 "Face used for mouse highlighting in the article buffer.
661 Article buttons will be displayed in this face when the cursor is
664 :group 'gnus-article-buttons)
666 (defcustom gnus-signature-face 'gnus-signature
667 "Face used for highlighting a signature in the article buffer.
668 Obsolete; use the face `gnus-signature' for customizations instead."
670 :group 'gnus-article-highlight
671 :group 'gnus-article-signature)
673 (defface gnus-signature
676 "Face used for highlighting a signature in the article buffer."
677 :group 'gnus-article-highlight
678 :group 'gnus-article-signature)
679 ;; backward-compatibility alias
680 (put 'gnus-signature-face 'face-alias 'gnus-signature)
682 (defface gnus-header-from
685 (:foreground "spring green"))
688 (:foreground "red3"))
691 "Face used for displaying from headers."
692 :group 'gnus-article-headers
693 :group 'gnus-article-highlight)
694 ;; backward-compatibility alias
695 (put 'gnus-header-from-face 'face-alias 'gnus-header-from)
697 (defface gnus-header-subject
700 (:foreground "SeaGreen3"))
703 (:foreground "red4"))
705 (:bold t :italic t)))
706 "Face used for displaying subject headers."
707 :group 'gnus-article-headers
708 :group 'gnus-article-highlight)
709 ;; backward-compatibility alias
710 (put 'gnus-header-subject-face 'face-alias 'gnus-header-subject)
712 (defface gnus-header-newsgroups
715 (:foreground "yellow" :italic t))
718 (:foreground "MidnightBlue" :italic t))
721 "Face used for displaying newsgroups headers.
722 In the default setup this face is only used for crossposted
724 :group 'gnus-article-headers
725 :group 'gnus-article-highlight)
726 ;; backward-compatibility alias
727 (put 'gnus-header-newsgroups-face 'face-alias 'gnus-header-newsgroups)
729 (defface gnus-header-name
732 (:foreground "SeaGreen"))
735 (:foreground "maroon"))
738 "Face used for displaying header names."
739 :group 'gnus-article-headers
740 :group 'gnus-article-highlight)
741 ;; backward-compatibility alias
742 (put 'gnus-header-name-face 'face-alias 'gnus-header-name)
744 (defface gnus-header-content
747 (:foreground "forest green" :italic t))
750 (:foreground "indianred4" :italic t))
752 (:italic t))) "Face used for displaying header content."
753 :group 'gnus-article-headers
754 :group 'gnus-article-highlight)
755 ;; backward-compatibility alias
756 (put 'gnus-header-content-face 'face-alias 'gnus-header-content)
758 (defcustom gnus-header-face-alist
759 '(("From" nil gnus-header-from)
760 ("Subject" nil gnus-header-subject)
761 ("Newsgroups:.*," nil gnus-header-newsgroups)
762 ("" gnus-header-name gnus-header-content))
763 "*Controls highlighting of article headers.
765 An alist of the form (HEADER NAME CONTENT).
767 HEADER is a regular expression which should match the name of a
768 header and NAME and CONTENT are either face names or nil.
770 The name of each header field will be displayed using the face
771 specified by the first element in the list where HEADER matches
772 the header name and NAME is non-nil. Similarly, the content will
773 be displayed by the first non-nil matching CONTENT face."
774 :group 'gnus-article-headers
775 :group 'gnus-article-highlight
776 :type '(repeat (list (regexp :tag "Header")
778 (item :tag "skip" nil)
779 (face :value default))
780 (choice :tag "Content"
781 (item :tag "skip" nil)
782 (face :value default)))))
784 (defcustom gnus-article-decode-hook
785 '(article-decode-charset article-decode-encoded-words
786 article-decode-group-name article-decode-idna-rhs)
787 "*Hook run to decode charsets in articles."
788 :group 'gnus-article-headers
791 (defcustom gnus-display-mime-function 'gnus-display-mime
792 "Function to display MIME articles."
793 :group 'gnus-article-mime
796 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
797 "Function used to decode headers.")
799 (defvar gnus-article-dumbquotes-map
819 "Table for MS-to-Latin1 translation.")
821 (defcustom gnus-ignored-mime-types nil
822 "List of MIME types that should be ignored by Gnus."
824 :group 'gnus-article-mime
825 :type '(repeat regexp))
827 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
828 "List of MIME types that should not be given buttons when rendered inline.
829 See also `gnus-buttonized-mime-types' which may override this variable.
830 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
832 :group 'gnus-article-mime
833 :type '(repeat regexp))
835 (defcustom gnus-buttonized-mime-types nil
836 "List of MIME types that should be given buttons when rendered inline.
837 If set, this variable overrides `gnus-unbuttonized-mime-types'.
838 To see e.g. security buttons you could set this to
839 `(\"multipart/signed\")'. You could also add \"multipart/alternative\" to
840 this list to display radio buttons that allow you to choose one of two
841 media types those mails include. See also `mm-discouraged-alternatives'.
842 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
844 :group 'gnus-article-mime
845 :type '(repeat regexp))
847 (defcustom gnus-inhibit-mime-unbuttonizing nil
848 "If non-nil, all MIME parts get buttons.
849 When nil (the default value), then some MIME parts do not get buttons,
850 as described by the variables `gnus-buttonized-mime-types' and
851 `gnus-unbuttonized-mime-types'."
853 :group 'gnus-article-mime
856 (defcustom gnus-body-boundary-delimiter "_"
857 "String used to delimit header and body.
858 This variable is used by `gnus-article-treat-body-boundary' which can
859 be controlled by `gnus-treat-body-boundary'."
861 :group 'gnus-article-various
862 :type '(choice (item :tag "None" :value nil)
865 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces"
867 "Defines the location of the faces database.
868 For information on obtaining this database of pretty pictures, please
869 see http://www.cs.indiana.edu/picons/ftp/index.html"
871 :type '(repeat directory)
872 :link '(url-link :tag "download"
873 "http://www.cs.indiana.edu/picons/ftp/index.html")
874 :link '(custom-manual "(gnus)Picons")
877 (defun gnus-picons-installed-p ()
878 "Say whether picons are installed on your machine."
879 (let ((installed nil))
880 (dolist (database gnus-picon-databases)
881 (when (file-exists-p database)
885 (defcustom gnus-article-mime-part-function nil
886 "Function called with a MIME handle as the argument.
887 This is meant for people who want to do something automatic based
888 on parts -- for instance, adding Vcard info to a database."
889 :group 'gnus-article-mime
890 :type '(choice (const nil)
893 (defcustom gnus-mime-multipart-functions nil
894 "An alist of MIME types to functions to display them."
896 :group 'gnus-article-mime
897 :type '(repeat (cons :format "%v" (string :tag "MIME type") function)))
899 (defcustom gnus-article-date-lapsed-new-header nil
900 "Whether the X-Sent and Date headers can coexist.
901 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
902 either replace the old \"Date:\" header (if this variable is nil), or
903 be added below it (otherwise)."
905 :group 'gnus-article-headers
908 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
909 "Function called with a MIME handle as the argument.
910 This is meant for people who want to view first matched part.
911 For `undisplayed-alternative' (default), the first undisplayed
912 part or alternative part is used. For `undisplayed', the first
913 undisplayed part is used. For a function, the first part which
914 the function return t is used. For nil, the first part is
917 :group 'gnus-article-mime
919 (item :tag "first" :value nil)
920 (item :tag "undisplayed" :value undisplayed)
921 (item :tag "undisplayed or alternative"
922 :value undisplayed-alternative)
925 (defcustom gnus-mime-action-alist
926 '(("save to file" . gnus-mime-save-part)
927 ("save and strip" . gnus-mime-save-part-and-strip)
928 ("replace with file" . gnus-mime-replace-part)
929 ("delete part" . gnus-mime-delete-part)
930 ("display as text" . gnus-mime-inline-part)
931 ("view the part" . gnus-mime-view-part)
932 ("pipe to command" . gnus-mime-pipe-part)
933 ("toggle display" . gnus-article-press-button)
934 ("toggle display" . gnus-article-view-part-as-charset)
935 ("view as type" . gnus-mime-view-part-as-type)
936 ("view internally" . gnus-mime-view-part-internally)
937 ("view externally" . gnus-mime-view-part-externally))
938 "An alist of actions that run on the MIME attachment."
939 :group 'gnus-article-mime
940 :type '(repeat (cons (string :tag "name")
943 (defcustom gnus-auto-select-part 1
944 "Advance to next MIME part when deleting or stripping parts.
946 When 0, point will be placed on the same part as before. When
947 positive (negative), move point forward (backwards) this many
948 parts. When nil, redisplay article."
949 :version "23.0" ;; No Gnus
950 :group 'gnus-article-mime
951 :type '(choice (const nil :tag "Redisplay article.")
952 (const 1 :tag "Next part.")
953 (const 0 :tag "Current part.")
957 ;;; The treatment variables
960 (defvar gnus-part-display-hook nil
961 "Hook called on parts that are to receive treatment.")
963 (defvar gnus-article-treat-custom
964 '(choice (const :tag "Off" nil)
966 (const :tag "Header" head)
967 (const :tag "First" first)
968 (const :tag "Last" last)
969 (integer :tag "Less")
970 (repeat :tag "Groups" regexp)
971 (sexp :tag "Predicate")))
973 (defvar gnus-article-treat-head-custom
974 '(choice (const :tag "Off" nil)
975 (const :tag "Header" head)))
977 (defvar gnus-article-treat-types '("text/plain")
980 (defvar gnus-inhibit-treatment nil
981 "Whether to inhibit treatment.")
983 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
984 "Highlight the signature.
985 Valid values are nil, t, `head', `first', `last', an integer or a
986 predicate. See Info node `(gnus)Customizing Articles'."
987 :group 'gnus-article-treat
988 :link '(custom-manual "(gnus)Customizing Articles")
989 :type gnus-article-treat-custom)
990 (put 'gnus-treat-highlight-signature 'highlight t)
992 (defcustom gnus-treat-buttonize 100000
994 Valid values are nil, t, `head', `first', `last', an integer or a
995 predicate. See Info node `(gnus)Customizing Articles'."
996 :group 'gnus-article-treat
997 :link '(custom-manual "(gnus)Customizing Articles")
998 :type gnus-article-treat-custom)
999 (put 'gnus-treat-buttonize 'highlight t)
1001 (defcustom gnus-treat-buttonize-head 'head
1002 "Add buttons to the head.
1003 Valid values are nil, t, `head', `first', `last', an integer or a
1004 predicate. See Info node `(gnus)Customizing Articles'."
1005 :group 'gnus-article-treat
1006 :link '(custom-manual "(gnus)Customizing Articles")
1007 :type gnus-article-treat-head-custom)
1008 (put 'gnus-treat-buttonize-head 'highlight t)
1010 (defcustom gnus-treat-emphasize
1011 (and (or window-system
1015 Valid values are nil, t, `head', `first', `last', an integer or a
1016 predicate. See Info node `(gnus)Customizing Articles'."
1017 :group 'gnus-article-treat
1018 :link '(custom-manual "(gnus)Customizing Articles")
1019 :type gnus-article-treat-custom)
1020 (put 'gnus-treat-emphasize 'highlight t)
1022 (defcustom gnus-treat-strip-cr nil
1023 "Remove carriage returns.
1024 Valid values are nil, t, `head', `first', `last', an integer or a
1025 predicate. See Info node `(gnus)Customizing Articles'."
1027 :group 'gnus-article-treat
1028 :link '(custom-manual "(gnus)Customizing Articles")
1029 :type gnus-article-treat-custom)
1031 (defcustom gnus-treat-unsplit-urls nil
1032 "Remove newlines from within URLs.
1033 Valid values are nil, t, `head', `first', `last', an integer or a
1034 predicate. See Info node `(gnus)Customizing Articles'."
1036 :group 'gnus-article-treat
1037 :link '(custom-manual "(gnus)Customizing Articles")
1038 :type gnus-article-treat-custom)
1040 (defcustom gnus-treat-leading-whitespace nil
1041 "Remove leading whitespace in headers.
1042 Valid values are nil, t, `head', `first', `last', an integer or a
1043 predicate. See Info node `(gnus)Customizing Articles'."
1045 :group 'gnus-article-treat
1046 :link '(custom-manual "(gnus)Customizing Articles")
1047 :type gnus-article-treat-custom)
1049 (defcustom gnus-treat-hide-headers 'head
1051 Valid values are nil, t, `head', `first', `last', an integer or a
1052 predicate. See Info node `(gnus)Customizing Articles'."
1053 :group 'gnus-article-treat
1054 :link '(custom-manual "(gnus)Customizing Articles")
1055 :type gnus-article-treat-head-custom)
1057 (defcustom gnus-treat-hide-boring-headers nil
1058 "Hide boring headers.
1059 Valid values are nil, t, `head', `first', `last', an integer or a
1060 predicate. See Info node `(gnus)Customizing Articles'."
1061 :group 'gnus-article-treat
1062 :link '(custom-manual "(gnus)Customizing Articles")
1063 :type gnus-article-treat-head-custom)
1065 (defcustom gnus-treat-hide-signature nil
1066 "Hide the signature.
1067 Valid values are nil, t, `head', `first', `last', an integer or a
1068 predicate. See Info node `(gnus)Customizing Articles'."
1069 :group 'gnus-article-treat
1070 :link '(custom-manual "(gnus)Customizing Articles")
1071 :type gnus-article-treat-custom)
1073 (defcustom gnus-treat-fill-article nil
1075 Valid values are nil, t, `head', `first', `last', an integer or a
1076 predicate. See Info node `(gnus)Customizing Articles'."
1077 :group 'gnus-article-treat
1078 :link '(custom-manual "(gnus)Customizing Articles")
1079 :type gnus-article-treat-custom)
1081 (defcustom gnus-treat-hide-citation nil
1083 Valid values are nil, t, `head', `first', `last', an integer or a
1084 predicate. See Info node `(gnus)Customizing Articles'."
1085 :group 'gnus-article-treat
1086 :link '(custom-manual "(gnus)Customizing Articles")
1087 :type gnus-article-treat-custom)
1089 (defcustom gnus-treat-hide-citation-maybe nil
1091 Valid values are nil, t, `head', `first', `last', an integer or a
1092 predicate. See Info node `(gnus)Customizing Articles'."
1093 :group 'gnus-article-treat
1094 :link '(custom-manual "(gnus)Customizing Articles")
1095 :type gnus-article-treat-custom)
1097 (defcustom gnus-treat-strip-list-identifiers 'head
1098 "Strip list identifiers from `gnus-list-identifiers`.
1099 Valid values are nil, t, `head', `first', `last', an integer or a
1100 predicate. See Info node `(gnus)Customizing Articles'."
1102 :group 'gnus-article-treat
1103 :link '(custom-manual "(gnus)Customizing Articles")
1104 :type gnus-article-treat-custom)
1106 (make-obsolete-variable 'gnus-treat-strip-pgp
1107 "This option is obsolete in Gnus 5.10.")
1109 (defcustom gnus-treat-strip-pem nil
1110 "Strip PEM signatures.
1111 Valid values are nil, t, `head', `first', `last', an integer or a
1112 predicate. See Info node `(gnus)Customizing Articles'."
1113 :group 'gnus-article-treat
1114 :link '(custom-manual "(gnus)Customizing Articles")
1115 :type gnus-article-treat-custom)
1117 (defcustom gnus-treat-strip-banner t
1118 "Strip banners from articles.
1119 The banner to be stripped is specified in the `banner' group parameter.
1120 Valid values are nil, t, `head', `first', `last', an integer or a
1121 predicate. See Info node `(gnus)Customizing Articles'."
1122 :group 'gnus-article-treat
1123 :link '(custom-manual "(gnus)Customizing Articles")
1124 :type gnus-article-treat-custom)
1126 (defcustom gnus-treat-highlight-headers 'head
1127 "Highlight the headers.
1128 Valid values are nil, t, `head', `first', `last', an integer or a
1129 predicate. See Info node `(gnus)Customizing Articles'."
1130 :group 'gnus-article-treat
1131 :link '(custom-manual "(gnus)Customizing Articles")
1132 :type gnus-article-treat-head-custom)
1133 (put 'gnus-treat-highlight-headers 'highlight t)
1135 (defcustom gnus-treat-highlight-citation t
1136 "Highlight cited text.
1137 Valid values are nil, t, `head', `first', `last', an integer or a
1138 predicate. See Info node `(gnus)Customizing Articles'."
1139 :group 'gnus-article-treat
1140 :link '(custom-manual "(gnus)Customizing Articles")
1141 :type gnus-article-treat-custom)
1142 (put 'gnus-treat-highlight-citation 'highlight t)
1144 (defcustom gnus-treat-date-ut nil
1145 "Display the Date in UT (GMT).
1146 Valid values are nil, t, `head', `first', `last', an integer or a
1147 predicate. See Info node `(gnus)Customizing Articles'."
1148 :group 'gnus-article-treat
1149 :link '(custom-manual "(gnus)Customizing Articles")
1150 :type gnus-article-treat-head-custom)
1152 (defcustom gnus-treat-date-local nil
1153 "Display the Date in the local timezone.
1154 Valid values are nil, t, `head', `first', `last', an integer or a
1155 predicate. See Info node `(gnus)Customizing Articles'."
1156 :group 'gnus-article-treat
1157 :link '(custom-manual "(gnus)Customizing Articles")
1158 :type gnus-article-treat-head-custom)
1160 (defcustom gnus-treat-date-english nil
1161 "Display the Date in a format that can be read aloud in English.
1162 Valid values are nil, t, `head', `first', `last', an integer or a
1163 predicate. See Info node `(gnus)Customizing Articles'."
1165 :group 'gnus-article-treat
1166 :link '(custom-manual "(gnus)Customizing Articles")
1167 :type gnus-article-treat-head-custom)
1169 (defcustom gnus-treat-date-lapsed nil
1170 "Display the Date header in a way that says how much time has elapsed.
1171 Valid values are nil, t, `head', `first', `last', an integer or a
1172 predicate. See Info node `(gnus)Customizing Articles'."
1173 :group 'gnus-article-treat
1174 :link '(custom-manual "(gnus)Customizing Articles")
1175 :type gnus-article-treat-head-custom)
1177 (defcustom gnus-treat-date-original nil
1178 "Display the date in the original timezone.
1179 Valid values are nil, t, `head', `first', `last', an integer or a
1180 predicate. See Info node `(gnus)Customizing Articles'."
1181 :group 'gnus-article-treat
1182 :link '(custom-manual "(gnus)Customizing Articles")
1183 :type gnus-article-treat-head-custom)
1185 (defcustom gnus-treat-date-iso8601 nil
1186 "Display the date in the ISO8601 format.
1187 Valid values are nil, t, `head', `first', `last', an integer or a
1188 predicate. See Info node `(gnus)Customizing Articles'."
1190 :group 'gnus-article-treat
1191 :link '(custom-manual "(gnus)Customizing Articles")
1192 :type gnus-article-treat-head-custom)
1194 (defcustom gnus-treat-date-user-defined nil
1195 "Display the date in a user-defined format.
1196 The format is defined by the `gnus-article-time-format' variable.
1197 Valid values are nil, t, `head', `first', `last', an integer or a
1198 predicate. See Info node `(gnus)Customizing Articles'."
1199 :group 'gnus-article-treat
1200 :link '(custom-manual "(gnus)Customizing Articles")
1201 :type gnus-article-treat-head-custom)
1203 (defcustom gnus-treat-strip-headers-in-body t
1204 "Strip the X-No-Archive header line from the beginning of the body.
1205 Valid values are nil, t, `head', `first', `last', an integer or a
1206 predicate. See Info node `(gnus)Customizing Articles'."
1208 :group 'gnus-article-treat
1209 :link '(custom-manual "(gnus)Customizing Articles")
1210 :type gnus-article-treat-custom)
1212 (defcustom gnus-treat-strip-trailing-blank-lines nil
1213 "Strip trailing blank lines.
1214 Valid values are nil, t, `head', `first', `last', an integer or a
1215 predicate. See Info node `(gnus)Customizing Articles'.
1217 When set to t, it also strips trailing blanks in all MIME parts.
1218 Consider to use `last' instead."
1219 :group 'gnus-article-treat
1220 :link '(custom-manual "(gnus)Customizing Articles")
1221 :type gnus-article-treat-custom)
1223 (defcustom gnus-treat-strip-leading-blank-lines nil
1224 "Strip leading blank lines.
1225 Valid values are nil, t, `head', `first', `last', an integer or a
1226 predicate. See Info node `(gnus)Customizing Articles'.
1228 When set to t, it also strips trailing blanks in all MIME parts."
1229 :group 'gnus-article-treat
1230 :link '(custom-manual "(gnus)Customizing Articles")
1231 :type gnus-article-treat-custom)
1233 (defcustom gnus-treat-strip-multiple-blank-lines nil
1234 "Strip multiple blank lines.
1235 Valid values are nil, t, `head', `first', `last', an integer or a
1236 predicate. See Info node `(gnus)Customizing Articles'."
1237 :group 'gnus-article-treat
1238 :link '(custom-manual "(gnus)Customizing Articles")
1239 :type gnus-article-treat-custom)
1241 (defcustom gnus-treat-unfold-headers 'head
1242 "Unfold folded header lines.
1243 Valid values are nil, t, `head', `first', `last', an integer or a
1244 predicate. See Info node `(gnus)Customizing Articles'."
1246 :group 'gnus-article-treat
1247 :link '(custom-manual "(gnus)Customizing Articles")
1248 :type gnus-article-treat-custom)
1250 (defcustom gnus-treat-fold-headers nil
1252 Valid values are nil, t, `head', `first', `last', an integer or a
1253 predicate. See Info node `(gnus)Customizing Articles'."
1255 :group 'gnus-article-treat
1256 :link '(custom-manual "(gnus)Customizing Articles")
1257 :type gnus-article-treat-custom)
1259 (defcustom gnus-treat-fold-newsgroups 'head
1260 "Fold the Newsgroups and Followup-To headers.
1261 Valid values are nil, t, `head', `first', `last', an integer or a
1262 predicate. See Info node `(gnus)Customizing Articles'."
1264 :group 'gnus-article-treat
1265 :link '(custom-manual "(gnus)Customizing Articles")
1266 :type gnus-article-treat-custom)
1268 (defcustom gnus-treat-overstrike t
1269 "Treat overstrike highlighting.
1270 Valid values are nil, t, `head', `first', `last', an integer or a
1271 predicate. See Info node `(gnus)Customizing Articles'."
1272 :group 'gnus-article-treat
1273 :link '(custom-manual "(gnus)Customizing Articles")
1274 :type gnus-article-treat-custom)
1275 (put 'gnus-treat-overstrike 'highlight t)
1277 (defcustom gnus-treat-ansi-sequences (if (locate-library "ansi-color") t)
1278 "Treat ANSI SGR control sequences.
1279 Valid values are nil, t, `head', `first', `last', an integer or a
1280 predicate. See Info node `(gnus)Customizing Articles'."
1281 :group 'gnus-article-treat
1282 :link '(custom-manual "(gnus)Customizing Articles")
1283 :type gnus-article-treat-custom)
1285 (make-obsolete-variable 'gnus-treat-display-xface
1286 'gnus-treat-display-x-face)
1288 (defcustom gnus-treat-display-x-face
1289 (and (not noninteractive)
1290 (or (and (fboundp 'image-type-available-p)
1291 (image-type-available-p 'xbm)
1292 (string-match "^0x" (shell-command-to-string "uncompface"))
1293 (executable-find "icontopbm"))
1294 (and (featurep 'xemacs)
1297 "Display X-Face headers.
1298 Valid values are nil, t, `head', `first', `last', an integer or a
1299 predicate. See Info node `(gnus)Customizing Articles' and Info
1300 node `(gnus)X-Face' for details."
1301 :group 'gnus-article-treat
1303 :link '(custom-manual "(gnus)Customizing Articles")
1304 :link '(custom-manual "(gnus)X-Face")
1305 :type gnus-article-treat-head-custom
1306 :set (lambda (symbol value)
1309 (cond ((or (boundp symbol) (get symbol 'saved-value))
1311 ((boundp 'gnus-treat-display-xface)
1313 ** gnus-treat-display-xface is an obsolete variable;\
1314 use gnus-treat-display-x-face instead")
1315 (default-value 'gnus-treat-display-xface))
1316 ((get 'gnus-treat-display-xface 'saved-value)
1318 ** gnus-treat-display-xface is an obsolete variable;\
1319 use gnus-treat-display-x-face instead")
1320 (eval (car (get 'gnus-treat-display-xface 'saved-value))))
1323 (put 'gnus-treat-display-x-face 'highlight t)
1325 (defcustom gnus-treat-display-face
1326 (and (not noninteractive)
1327 (or (and (fboundp 'image-type-available-p)
1328 (image-type-available-p 'png))
1329 (and (featurep 'xemacs)
1332 "Display Face headers.
1333 Valid values are nil, t, `head', `first', `last', an integer or a
1334 predicate. See Info node `(gnus)Customizing Articles' and Info
1335 node `(gnus)X-Face' for details."
1336 :group 'gnus-article-treat
1338 :link '(custom-manual "(gnus)Customizing Articles")
1339 :link '(custom-manual "(gnus)X-Face")
1340 :type gnus-article-treat-head-custom)
1341 (put 'gnus-treat-display-face 'highlight t)
1343 (defcustom gnus-treat-display-smileys
1344 (if (or (and (featurep 'xemacs)
1346 (and (fboundp 'image-type-available-p)
1347 (image-type-available-p 'pbm)))
1350 Valid values are nil, t, `head', `first', `last', an integer or a
1351 predicate. See Info node `(gnus)Customizing Articles' and Info
1352 node `(gnus)Smileys' for details."
1353 :group 'gnus-article-treat
1355 :link '(custom-manual "(gnus)Customizing Articles")
1356 :link '(custom-manual "(gnus)Smileys")
1357 :type gnus-article-treat-custom)
1358 (put 'gnus-treat-display-smileys 'highlight t)
1360 (defcustom gnus-treat-from-picon
1361 (if (and (gnus-image-type-available-p 'xpm)
1362 (gnus-picons-installed-p))
1364 "Display picons in the From header.
1365 Valid values are nil, t, `head', `first', `last', an integer or a
1366 predicate. See Info node `(gnus)Customizing Articles' and Info
1367 node `(gnus)Picons' for details."
1369 :group 'gnus-article-treat
1371 :link '(custom-manual "(gnus)Customizing Articles")
1372 :link '(custom-manual "(gnus)Picons")
1373 :type gnus-article-treat-head-custom)
1374 (put 'gnus-treat-from-picon 'highlight t)
1376 (defcustom gnus-treat-mail-picon
1377 (if (and (gnus-image-type-available-p 'xpm)
1378 (gnus-picons-installed-p))
1380 "Display picons in To and Cc headers.
1381 Valid values are nil, t, `head', `first', `last', an integer or a
1382 predicate. See Info node `(gnus)Customizing Articles' and Info
1383 node `(gnus)Picons' for details."
1385 :group 'gnus-article-treat
1387 :link '(custom-manual "(gnus)Customizing Articles")
1388 :link '(custom-manual "(gnus)Picons")
1389 :type gnus-article-treat-head-custom)
1390 (put 'gnus-treat-mail-picon 'highlight t)
1392 (defcustom gnus-treat-newsgroups-picon
1393 (if (and (gnus-image-type-available-p 'xpm)
1394 (gnus-picons-installed-p))
1396 "Display picons in the Newsgroups and Followup-To headers.
1397 Valid values are nil, t, `head', `first', `last', an integer or a
1398 predicate. See Info node `(gnus)Customizing Articles' and Info
1399 node `(gnus)Picons' for details."
1401 :group 'gnus-article-treat
1403 :link '(custom-manual "(gnus)Customizing Articles")
1404 :link '(custom-manual "(gnus)Picons")
1405 :type gnus-article-treat-head-custom)
1406 (put 'gnus-treat-newsgroups-picon 'highlight t)
1408 (defcustom gnus-treat-body-boundary
1409 (if (and (eq window-system 'x)
1410 (or gnus-treat-newsgroups-picon
1411 gnus-treat-mail-picon
1412 gnus-treat-from-picon))
1414 "Draw a boundary at the end of the headers.
1415 Valid values are nil and `head'.
1416 See Info node `(gnus)Customizing Articles' for details."
1418 :group 'gnus-article-treat
1419 :link '(custom-manual "(gnus)Customizing Articles")
1420 :type gnus-article-treat-head-custom)
1422 (defcustom gnus-treat-capitalize-sentences nil
1423 "Capitalize sentence-starting words.
1424 Valid values are nil, t, `head', `first', `last', an integer or a
1425 predicate. See Info node `(gnus)Customizing Articles'."
1427 :group 'gnus-article-treat
1428 :link '(custom-manual "(gnus)Customizing Articles")
1429 :type gnus-article-treat-custom)
1431 (defcustom gnus-treat-wash-html nil
1433 Valid values are nil, t, `head', `first', `last', an integer or a
1434 predicate. See Info node `(gnus)Customizing Articles'."
1436 :group 'gnus-article-treat
1437 :link '(custom-manual "(gnus)Customizing Articles")
1438 :type gnus-article-treat-custom)
1440 (defcustom gnus-treat-fill-long-lines nil
1442 Valid values are nil, t, `head', `first', `last', an integer or a
1443 predicate. See Info node `(gnus)Customizing Articles'."
1444 :group 'gnus-article-treat
1445 :link '(custom-manual "(gnus)Customizing Articles")
1446 :type gnus-article-treat-custom)
1448 (defcustom gnus-treat-play-sounds nil
1450 Valid values are nil, t, `head', `first', `last', an integer or a
1451 predicate. See Info node `(gnus)Customizing Articles'."
1453 :group 'gnus-article-treat
1454 :link '(custom-manual "(gnus)Customizing Articles")
1455 :type gnus-article-treat-custom)
1457 (defcustom gnus-treat-translate nil
1458 "Translate articles from one language to another.
1459 Valid values are nil, t, `head', `first', `last', an integer or a
1460 predicate. See Info node `(gnus)Customizing Articles'."
1462 :group 'gnus-article-treat
1463 :link '(custom-manual "(gnus)Customizing Articles")
1464 :type gnus-article-treat-custom)
1466 (defcustom gnus-treat-x-pgp-sig nil
1468 To automatically treat X-PGP-Sig, set it to head.
1469 Valid values are nil, t, `head', `first', `last', an integer or a
1470 predicate. See Info node `(gnus)Customizing Articles'."
1472 :group 'gnus-article-treat
1473 :group 'mime-security
1474 :link '(custom-manual "(gnus)Customizing Articles")
1475 :type gnus-article-treat-custom)
1477 (defvar gnus-article-encrypt-protocol-alist
1478 '(("PGP" . mml2015-self-encrypt)))
1480 ;; Set to nil if more than one protocol added to
1481 ;; gnus-article-encrypt-protocol-alist.
1482 (defcustom gnus-article-encrypt-protocol "PGP"
1483 "The protocol used for encrypt articles.
1484 It is a string, such as \"PGP\". If nil, ask user."
1487 :group 'mime-security)
1489 (defvar gnus-article-wash-function nil
1490 "Function used for converting HTML into text.")
1492 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1493 (mm-coding-system-p 'utf-8)
1494 (executable-find idna-program))
1495 "Whether IDNA decoding of headers is used when viewing messages.
1496 This requires GNU Libidn, and by default only enabled if it is found."
1498 :group 'gnus-article-headers
1501 (defcustom gnus-article-over-scroll nil
1502 "If non-nil, allow scrolling the article buffer even when there no more text."
1504 :group 'gnus-article
1507 ;;; Internal variables
1509 (defvar gnus-english-month-names
1510 '("January" "February" "March" "April" "May" "June" "July" "August"
1511 "September" "October" "November" "December"))
1513 (defvar gnus-button-regexp nil)
1514 (defvar gnus-button-marker-list nil)
1515 ;; Regexp matching any of the regexps from `gnus-button-alist'.
1517 (defvar gnus-button-last nil)
1518 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
1520 (defvar article-goto-body-goes-to-point-min-p nil)
1521 (defvar gnus-article-wash-types nil)
1522 (defvar gnus-article-emphasis-alist nil)
1523 (defvar gnus-article-image-alist nil)
1525 (defvar gnus-article-mime-handle-alist-1 nil)
1526 (defvar gnus-treatment-function-alist
1527 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1528 (gnus-treat-strip-banner gnus-article-strip-banner)
1529 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1530 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1531 (gnus-treat-buttonize gnus-article-add-buttons)
1532 (gnus-treat-fill-article gnus-article-fill-cited-article)
1533 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1534 (gnus-treat-strip-cr gnus-article-remove-cr)
1535 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1536 (gnus-treat-date-ut gnus-article-date-ut)
1537 (gnus-treat-date-local gnus-article-date-local)
1538 (gnus-treat-date-english gnus-article-date-english)
1539 (gnus-treat-date-original gnus-article-date-original)
1540 (gnus-treat-date-user-defined gnus-article-date-user)
1541 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1542 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1543 (gnus-treat-display-x-face gnus-article-display-x-face)
1544 (gnus-treat-display-face gnus-article-display-face)
1545 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1546 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1547 (gnus-treat-hide-signature gnus-article-hide-signature)
1548 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1549 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1550 (gnus-treat-strip-pem gnus-article-hide-pem)
1551 (gnus-treat-from-picon gnus-treat-from-picon)
1552 (gnus-treat-mail-picon gnus-treat-mail-picon)
1553 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1554 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1555 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1556 (gnus-treat-strip-trailing-blank-lines
1557 gnus-article-remove-trailing-blank-lines)
1558 (gnus-treat-strip-leading-blank-lines
1559 gnus-article-strip-leading-blank-lines)
1560 (gnus-treat-strip-multiple-blank-lines
1561 gnus-article-strip-multiple-blank-lines)
1562 (gnus-treat-overstrike gnus-article-treat-overstrike)
1563 (gnus-treat-ansi-sequences gnus-article-treat-ansi-sequences)
1564 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1565 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1566 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1567 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1568 (gnus-treat-display-smileys gnus-treat-smiley)
1569 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1570 (gnus-treat-wash-html gnus-article-wash-html)
1571 (gnus-treat-emphasize gnus-article-emphasize)
1572 (gnus-treat-hide-citation gnus-article-hide-citation)
1573 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1574 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1575 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1576 (gnus-treat-play-sounds gnus-earcon-display)))
1578 (defvar gnus-article-mime-handle-alist nil)
1579 (defvar article-lapsed-timer nil)
1580 (defvar gnus-article-current-summary nil)
1582 (defvar gnus-article-mode-syntax-table
1583 (let ((table (copy-syntax-table text-mode-syntax-table)))
1584 ;; This causes the citation match run O(2^n).
1585 ;; (modify-syntax-entry ?- "w" table)
1586 (modify-syntax-entry ?> ")<" table)
1587 (modify-syntax-entry ?< "(>" table)
1588 ;; make M-. in article buffers work for `foo' strings
1589 (modify-syntax-entry ?' " " table)
1590 (modify-syntax-entry ?` " " table)
1592 "Syntax table used in article mode buffers.
1593 Initialized from `text-mode-syntax-table.")
1595 (defvar gnus-save-article-buffer nil)
1597 (defvar gnus-article-mode-line-format-alist
1598 (nconc '((?w (gnus-article-wash-status) ?s)
1599 (?m (gnus-article-mime-part-status) ?s))
1600 gnus-summary-mode-line-format-alist))
1602 (defvar gnus-number-of-articles-to-be-saved nil)
1604 (defvar gnus-inhibit-hiding nil)
1606 (defvar gnus-article-edit-mode nil)
1608 ;;; Macros for dealing with the article buffer.
1610 (defmacro gnus-with-article-headers (&rest forms)
1612 (set-buffer gnus-article-buffer)
1614 (let ((inhibit-read-only t)
1615 (inhibit-point-motion-hooks t)
1616 (case-fold-search t))
1617 (article-narrow-to-head)
1620 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1621 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1623 (defmacro gnus-with-article-buffer (&rest forms)
1625 (set-buffer gnus-article-buffer)
1626 (let ((inhibit-read-only t))
1629 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1630 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1632 (defun gnus-article-goto-header (header)
1633 "Go to HEADER, which is a regular expression."
1634 (re-search-forward (concat "^\\(" header "\\):") nil t))
1636 (defsubst gnus-article-hide-text (b e props)
1637 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1638 (gnus-add-text-properties-when 'article-type nil b e props)
1639 (when (memq 'intangible props)
1641 (max (1- b) (point-min))
1642 b 'intangible (cddr (memq 'intangible props)))))
1644 (defsubst gnus-article-unhide-text (b e)
1645 "Remove hidden text properties from region between B and E."
1646 (remove-text-properties b e gnus-hidden-properties)
1647 (when (memq 'intangible gnus-hidden-properties)
1648 (put-text-property (max (1- b) (point-min))
1649 b 'intangible nil)))
1651 (defun gnus-article-hide-text-type (b e type)
1652 "Hide text of TYPE between B and E."
1653 (gnus-add-wash-type type)
1654 (gnus-article-hide-text
1655 b e (cons 'article-type (cons type gnus-hidden-properties))))
1657 (defun gnus-article-unhide-text-type (b e type)
1658 "Unhide text of TYPE between B and E."
1659 (gnus-delete-wash-type type)
1660 (remove-text-properties
1661 b e (cons 'article-type (cons type gnus-hidden-properties)))
1662 (when (memq 'intangible gnus-hidden-properties)
1663 (put-text-property (max (1- b) (point-min))
1664 b 'intangible nil)))
1666 (defun gnus-article-hide-text-of-type (type)
1667 "Hide text of TYPE in the current buffer."
1669 (let ((b (point-min))
1671 (while (setq b (text-property-any b e 'article-type type))
1672 (add-text-properties b (incf b) gnus-hidden-properties)))))
1674 (defun gnus-article-delete-text-of-type (type)
1675 "Delete text of TYPE in the current buffer."
1677 (let ((b (point-min)))
1678 (while (setq b (text-property-any b (point-max) 'article-type type))
1680 b (or (text-property-not-all b (point-max) 'article-type type)
1683 (defun gnus-article-delete-invisible-text ()
1684 "Delete all invisible text in the current buffer."
1686 (let ((b (point-min)))
1687 (while (setq b (text-property-any b (point-max) 'invisible t))
1689 b (or (text-property-not-all b (point-max) 'invisible t)
1692 (defun gnus-article-text-type-exists-p (type)
1693 "Say whether any text of type TYPE exists in the buffer."
1694 (text-property-any (point-min) (point-max) 'article-type type))
1696 (defsubst gnus-article-header-rank ()
1697 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1698 (let ((list gnus-sorted-header-list)
1701 (if (looking-at (car list))
1703 (setq list (cdr list))
1707 (defun article-hide-headers (&optional arg delete)
1708 "Hide unwanted headers and possibly sort them as well."
1710 ;; This function might be inhibited.
1711 (unless gnus-inhibit-hiding
1712 (let ((inhibit-read-only nil)
1713 (case-fold-search t)
1714 (max (1+ (length gnus-sorted-header-list)))
1715 (inhibit-point-motion-hooks t)
1716 (cur (current-buffer))
1717 ignored visible beg)
1719 ;; `gnus-ignored-headers' and `gnus-visible-headers' may be
1720 ;; group parameters, so we should go to the summary buffer.
1723 (progn (set-buffer gnus-summary-buffer) t)
1725 (setq ignored (when (not gnus-visible-headers)
1726 (cond ((stringp gnus-ignored-headers)
1727 gnus-ignored-headers)
1728 ((listp gnus-ignored-headers)
1729 (mapconcat 'identity
1730 gnus-ignored-headers
1732 visible (cond ((stringp gnus-visible-headers)
1733 gnus-visible-headers)
1734 ((and gnus-visible-headers
1735 (listp gnus-visible-headers))
1736 (mapconcat 'identity
1737 gnus-visible-headers
1741 ;; First we narrow to just the headers.
1742 (article-narrow-to-head)
1743 ;; Hide any "From " lines at the beginning of (mail) articles.
1744 (while (looking-at "From ")
1747 (delete-region (point-min) (point)))
1748 ;; Then treat the rest of the header lines.
1749 ;; Then we use the two regular expressions
1750 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1751 ;; select which header lines is to remain visible in the
1753 (while (re-search-forward "^[^ \t:]*:" nil t)
1755 ;; Mark the rank of the header.
1757 (point) (1+ (point)) 'message-rank
1758 (if (or (and visible (looking-at visible))
1760 (not (looking-at ignored))))
1761 (gnus-article-header-rank)
1764 (message-sort-headers-1)
1765 (when (setq beg (text-property-any
1766 (point-min) (point-max) 'message-rank (+ 2 max)))
1767 ;; We delete the unwanted headers.
1768 (gnus-add-wash-type 'headers)
1769 (add-text-properties (point-min) (+ 5 (point-min))
1770 '(article-type headers dummy-invisible t))
1771 (delete-region beg (point-max))))))))
1773 (defun article-hide-boring-headers (&optional arg)
1774 "Toggle hiding of headers that aren't very interesting.
1775 If given a negative prefix, always show; if given a positive prefix,
1777 (interactive (gnus-article-hidden-arg))
1778 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1779 (not gnus-show-all-headers))
1782 (let ((inhibit-read-only t)
1783 (inhibit-point-motion-hooks t))
1784 (article-narrow-to-head)
1785 (dolist (elem gnus-boring-article-headers)
1786 (goto-char (point-min))
1788 ;; Hide empty headers.
1790 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1792 (gnus-article-hide-text-type
1796 (if (re-search-forward "^[^ \t]" nil t)
1800 ;; Hide boring Newsgroups header.
1801 ((eq elem 'newsgroups)
1802 (when (gnus-string-equal
1803 (gnus-fetch-field "newsgroups")
1804 (gnus-group-real-name
1805 (if (boundp 'gnus-newsgroup-name)
1808 (gnus-article-hide-header "newsgroups")))
1809 ((eq elem 'to-address)
1810 (let ((to (message-fetch-field "to"))
1812 (gnus-parameter-to-address
1813 (if (boundp 'gnus-newsgroup-name)
1814 gnus-newsgroup-name ""))))
1815 (when (and to to-address
1818 ;; only one address in To
1819 (nth 1 (mail-extract-address-components to))
1821 (gnus-article-hide-header "to"))))
1823 (let ((to (message-fetch-field "to"))
1825 (gnus-parameter-to-list
1826 (if (boundp 'gnus-newsgroup-name)
1827 gnus-newsgroup-name ""))))
1828 (when (and to to-list
1831 ;; only one address in To
1832 (nth 1 (mail-extract-address-components to))
1834 (gnus-article-hide-header "to"))))
1836 (let ((cc (message-fetch-field "cc"))
1838 (gnus-parameter-to-list
1839 (if (boundp 'gnus-newsgroup-name)
1840 gnus-newsgroup-name ""))))
1841 (when (and cc to-list
1844 ;; only one address in CC
1845 (nth 1 (mail-extract-address-components cc))
1847 (gnus-article-hide-header "cc"))))
1848 ((eq elem 'followup-to)
1849 (when (gnus-string-equal
1850 (message-fetch-field "followup-to")
1851 (message-fetch-field "newsgroups"))
1852 (gnus-article-hide-header "followup-to")))
1853 ((eq elem 'reply-to)
1854 (if (gnus-group-find-parameter
1855 gnus-newsgroup-name 'broken-reply-to)
1856 (gnus-article-hide-header "reply-to")
1857 (let ((from (message-fetch-field "from"))
1858 (reply-to (message-fetch-field "reply-to")))
1865 (lambda (x) (downcase (cadr x)))
1866 (mail-extract-address-components from t))
1869 (lambda (x) (downcase (cadr x)))
1870 (mail-extract-address-components reply-to t))
1872 (gnus-article-hide-header "reply-to")))))
1874 (let ((date (message-fetch-field "date")))
1876 (< (days-between (current-time-string) date)
1878 (gnus-article-hide-header "date"))))
1880 (let ((to (message-fetch-field "to"))
1881 (cc (message-fetch-field "cc")))
1882 (when (> (length to) 1024)
1883 (gnus-article-hide-header "to"))
1884 (when (> (length cc) 1024)
1885 (gnus-article-hide-header "cc"))))
1889 (goto-char (point-min))
1890 (while (re-search-forward "^to:" nil t)
1891 (setq to-count (1+ to-count)))
1892 (when (> to-count 1)
1893 (while (> to-count 0)
1894 (goto-char (point-min))
1896 (re-search-forward "^to:" nil nil to-count)
1898 (narrow-to-region (point) (point-max))
1899 (gnus-article-hide-header "to"))
1900 (setq to-count (1- to-count))))
1901 (goto-char (point-min))
1902 (while (re-search-forward "^cc:" nil t)
1903 (setq cc-count (1+ cc-count)))
1904 (when (> cc-count 1)
1905 (while (> cc-count 0)
1906 (goto-char (point-min))
1908 (re-search-forward "^cc:" nil nil cc-count)
1910 (narrow-to-region (point) (point-max))
1911 (gnus-article-hide-header "cc"))
1912 (setq cc-count (1- cc-count)))))))))))))
1914 (defun gnus-article-hide-header (header)
1916 (goto-char (point-min))
1917 (when (re-search-forward (concat "^" header ":") nil t)
1918 (gnus-article-hide-text-type
1922 (if (re-search-forward "^[^ \t]" nil t)
1927 (defvar gnus-article-normalized-header-length 40
1928 "Length of normalized headers.")
1930 (defun article-normalize-headers ()
1931 "Make all header lines 40 characters long."
1933 (let ((inhibit-read-only t)
1937 (article-narrow-to-head)
1940 ((< (setq column (- (point-at-eol) (point)))
1941 gnus-article-normalized-header-length)
1943 (insert (make-string
1944 (- gnus-article-normalized-header-length column)
1946 ((> column gnus-article-normalized-header-length)
1947 (gnus-put-text-property
1949 (forward-char gnus-article-normalized-header-length)
1956 (forward-line 1))))))
1958 (defun article-treat-dumbquotes ()
1959 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
1960 Note that this function guesses whether a character is a sm*rtq**t* or
1961 not, so it should only be used interactively.
1963 Sm*rtq**t*s are M****s***'s unilateral extension to the
1964 iso-8859-1 character map in an attempt to provide more quoting
1965 characters. If you see something like \\222 or \\264 where
1966 you're expecting some kind of apostrophe or quotation mark, then
1969 (article-translate-strings gnus-article-dumbquotes-map))
1971 (defun article-translate-characters (from to)
1972 "Translate all characters in the body of the article according to FROM and TO.
1973 FROM is a string of characters to translate from; to is a string of
1974 characters to translate to."
1976 (when (article-goto-body)
1977 (let ((inhibit-read-only t)
1978 (x (make-string 225 ?x))
1980 (while (< (incf i) (length x))
1983 (while (< i (length from))
1984 (aset x (aref from i) (aref to i))
1986 (translate-region (point) (point-max) x)))))
1988 (defun article-translate-strings (map)
1989 "Translate all string in the body of the article according to MAP.
1990 MAP is an alist where the elements are on the form (\"from\" \"to\")."
1992 (when (article-goto-body)
1993 (let ((inhibit-read-only t))
1996 (while (search-forward (car elem) nil t)
1997 (replace-match (cadr elem)))))))))
1999 (defun article-treat-overstrike ()
2000 "Translate overstrikes into bold text."
2003 (when (article-goto-body)
2004 (let ((inhibit-read-only t))
2005 (while (search-forward "\b" nil t)
2006 (let ((next (char-after))
2007 (previous (char-after (- (point) 2))))
2008 ;; We do the boldification/underlining by hiding the
2009 ;; overstrikes and putting the proper text property
2013 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2014 (put-text-property (point) (1+ (point)) 'face 'bold))
2016 (gnus-article-hide-text-type
2017 (1- (point)) (1+ (point)) 'overstrike)
2019 (- (point) 2) (1- (point)) 'face 'underline))
2021 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2023 (point) (1+ (point)) 'face 'underline)))))))))
2025 (defun article-treat-ansi-sequences ()
2026 "Translate ANSI SGR control sequences into overlays or extents."
2029 (when (article-goto-body)
2030 (let ((inhibit-read-only t))
2031 (ansi-color-apply-on-region (point) (point-max))))))
2033 (defun gnus-article-treat-unfold-headers ()
2034 "Unfold folded message headers.
2035 Only the headers that fit into the current window width will be
2038 (gnus-with-article-headers
2042 (mail-header-narrow-to-field)
2043 (let ((header (buffer-string)))
2046 (goto-char (point-min))
2047 (while (re-search-forward "\n[\t ]" nil t)
2048 (replace-match " " t t)))
2049 (setq length (- (point-max) (point-min) 1)))
2050 (when (< length (window-width))
2051 (while (re-search-forward "\n[\t ]" nil t)
2052 (replace-match " " t t)))
2053 (goto-char (point-max)))))))
2055 (defun gnus-article-treat-fold-headers ()
2056 "Fold message headers."
2058 (gnus-with-article-headers
2061 (mail-header-narrow-to-field)
2062 (mail-header-fold-field)
2063 (goto-char (point-max))))))
2065 (defun gnus-treat-smiley ()
2066 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
2068 (gnus-with-article-buffer
2069 (if (memq 'smiley gnus-article-wash-types)
2070 (gnus-delete-images 'smiley)
2072 (let ((images (smiley-region (point) (point-max))))
2074 (gnus-add-wash-type 'smiley)
2075 (dolist (image images)
2076 (gnus-add-image 'smiley image)))))))
2078 (defun gnus-article-remove-images ()
2079 "Remove all images from the article buffer."
2081 (gnus-with-article-buffer
2082 (dolist (elem gnus-article-image-alist)
2083 (gnus-delete-images (car elem)))))
2085 (defun gnus-article-treat-fold-newsgroups ()
2086 "Unfold folded message headers.
2087 Only the headers that fit into the current window width will be
2090 (gnus-with-article-headers
2091 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2093 (mail-header-narrow-to-field)
2094 (while (re-search-forward ", *" nil t)
2095 (replace-match ", " t t))
2096 (mail-header-fold-field)
2097 (goto-char (point-max))))))
2099 (defun gnus-article-treat-body-boundary ()
2100 "Place a boundary line at the end of the headers."
2102 (when (and gnus-body-boundary-delimiter
2103 (> (length gnus-body-boundary-delimiter) 0))
2104 (gnus-with-article-headers
2105 (goto-char (point-max))
2106 (let ((start (point)))
2107 (insert "X-Boundary: ")
2108 (gnus-add-text-properties start (point) '(invisible t intangible t))
2110 (while (>= (1- (window-width)) (length str))
2111 (setq str (concat str gnus-body-boundary-delimiter)))
2112 (substring str 0 (1- (window-width))))
2114 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
2116 (defun article-fill-long-lines ()
2117 "Fill lines that are wider than the window width."
2120 (let ((inhibit-read-only t)
2121 (width (window-width (get-buffer-window (current-buffer)))))
2124 (let ((adaptive-fill-mode nil)) ;Why? -sm
2127 (when (>= (current-column) (min fill-column width))
2128 (narrow-to-region (min (1+ (point)) (point-max))
2130 (let ((goback (point-marker)))
2131 (fill-paragraph nil)
2132 (goto-char (marker-position goback)))
2134 (forward-line 1)))))))
2136 (defun article-capitalize-sentences ()
2137 "Capitalize the first word in each sentence."
2140 (let ((inhibit-read-only t)
2141 (paragraph-start "^[\n\^L]"))
2145 (forward-sentence)))))
2147 (defun article-remove-cr ()
2148 "Remove trailing CRs and then translate remaining CRs into LFs."
2151 (let ((inhibit-read-only t))
2152 (goto-char (point-min))
2153 (while (re-search-forward "\r+$" nil t)
2154 (replace-match "" t t))
2155 (goto-char (point-min))
2156 (while (search-forward "\r" nil t)
2157 (replace-match "\n" t t)))))
2159 (defun article-remove-trailing-blank-lines ()
2160 "Remove all trailing blank lines from the article."
2163 (let ((inhibit-read-only t))
2164 (goto-char (point-max))
2168 (while (and (not (bobp))
2169 (looking-at "^[ \t]*$")
2170 (not (gnus-annotation-in-region-p
2171 (point) (point-at-eol))))
2177 (defvar gnus-face-properties-alist))
2179 (defun article-display-face ()
2180 "Display any Face headers in the header."
2182 (let ((wash-face-p buffer-read-only))
2183 (gnus-with-article-headers
2184 ;; When displaying parts, this function can be called several times on
2185 ;; the same article, without any intended toggle semantic (as typing `W
2186 ;; D d' would have). So face deletion must occur only when we come from
2187 ;; an interactive command, that is when the *Article* buffer is
2189 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2190 (gnus-delete-images 'face)
2191 (let (face faces from)
2192 (save-current-buffer
2193 (when (and wash-face-p
2194 (gnus-buffer-live-p gnus-original-article-buffer)
2195 (not (re-search-forward "^Face:[\t ]*" nil t)))
2196 (set-buffer gnus-original-article-buffer))
2198 (mail-narrow-to-head)
2199 (while (gnus-article-goto-header "Face")
2200 (push (mail-header-field-value) faces))))
2202 (goto-char (point-min))
2203 (let ((from (gnus-article-goto-header "from"))
2208 (insert "[no `from' set]\n"))
2210 (when (setq png (gnus-convert-face-to-png (pop faces)))
2212 (apply 'gnus-create-image png 'png t
2213 (cdr (assq 'png gnus-face-properties-alist))))
2215 (gnus-add-wash-type 'face)
2216 (gnus-add-image 'face image)
2217 (gnus-put-image image nil 'face))))))))))
2219 (defun article-display-x-face (&optional force)
2220 "Look for an X-Face header and display it if present."
2221 (interactive (list 'force))
2222 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2223 (gnus-with-article-headers
2224 ;; Delete the old process, if any.
2225 (when (process-status "article-x-face")
2226 (delete-process "article-x-face"))
2227 ;; See the comment in `article-display-face'.
2228 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2229 ;; We have already displayed X-Faces, so we remove them
2231 (gnus-delete-images 'xface)
2233 (let (x-faces from face)
2234 (save-current-buffer
2235 (when (and wash-face-p
2236 (gnus-buffer-live-p gnus-original-article-buffer)
2237 (not (re-search-forward "^X-Face:[\t ]*" nil t)))
2238 ;; If type `W f', use gnus-original-article-buffer,
2239 ;; otherwise use the current buffer because displaying
2240 ;; RFC822 parts calls this function too.
2241 (set-buffer gnus-original-article-buffer))
2243 (mail-narrow-to-head)
2244 (while (gnus-article-goto-header "X-Face")
2245 (push (mail-header-field-value) x-faces))
2246 (setq from (message-fetch-field "from"))))
2247 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2248 ;; single external face.
2249 (when (stringp gnus-article-x-face-command)
2250 (setq x-faces (list (car x-faces))))
2252 gnus-article-x-face-command
2254 ;; Check whether this face is censored.
2255 (not gnus-article-x-face-too-ugly)
2257 (not (string-match gnus-article-x-face-too-ugly
2259 (while (setq face (pop x-faces))
2260 ;; We display the face.
2261 (cond ((stringp gnus-article-x-face-command)
2262 ;; The command is a string, so we interpret the command
2263 ;; as a, well, command, and fork it off.
2264 (let ((process-connection-type nil))
2265 (gnus-set-process-query-on-exit-flag
2267 "article-x-face" nil shell-file-name
2268 shell-command-switch gnus-article-x-face-command)
2272 (process-send-region "article-x-face"
2273 (point-min) (point-max)))
2274 (process-send-eof "article-x-face")))
2275 ((functionp gnus-article-x-face-command)
2276 ;; The command is a lisp function, so we call it.
2277 (funcall gnus-article-x-face-command face))
2279 (error "%s is not a function"
2280 gnus-article-x-face-command))))))))))
2282 (defun article-decode-mime-words ()
2283 "Decode all MIME-encoded words in the article."
2285 (gnus-with-article-buffer
2286 (let ((inhibit-point-motion-hooks t)
2287 (mail-parse-charset gnus-newsgroup-charset)
2288 (mail-parse-ignored-charsets
2289 (with-current-buffer gnus-summary-buffer
2290 gnus-newsgroup-ignored-charsets)))
2291 (mail-decode-encoded-word-region (point-min) (point-max)))))
2293 (defun article-decode-charset (&optional prompt)
2294 "Decode charset-encoded text in the article.
2295 If PROMPT (the prefix), prompt for a coding system to use."
2297 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2298 (inhibit-read-only t)
2299 (mail-parse-charset gnus-newsgroup-charset)
2300 (mail-parse-ignored-charsets
2301 (save-excursion (condition-case nil
2302 (set-buffer gnus-summary-buffer)
2304 gnus-newsgroup-ignored-charsets))
2305 ct cte ctl charset format)
2308 (article-narrow-to-head)
2309 (setq ct (message-fetch-field "Content-Type" t)
2310 cte (message-fetch-field "Content-Transfer-Encoding" t)
2311 ctl (and ct (ignore-errors
2312 (mail-header-parse-content-type ct)))
2315 (mm-read-coding-system "Charset to decode: "))
2317 (mail-content-type-get ctl 'charset)))
2318 format (and ctl (mail-content-type-get ctl 'format)))
2320 (setq cte (mail-header-strip cte)))
2321 (if (and ctl (not (string-match "/" (car ctl))))
2323 (goto-char (point-max)))
2326 (narrow-to-region (point) (point-max))
2327 (when (and (eq mail-parse-charset 'gnus-decoded)
2328 (eq (mm-body-7-or-8) '8bit))
2329 ;; The text code could have been decoded.
2330 (setq charset mail-parse-charset))
2331 (when (and (or (not ctl)
2332 (equal (car ctl) "text/plain"))
2333 (not format)) ;; article with format will decode later.
2335 charset (and cte (intern (downcase
2336 (gnus-strip-whitespace cte))))
2339 (defun article-decode-encoded-words ()
2340 "Remove encoded-word encoding from headers."
2341 (let ((inhibit-point-motion-hooks t)
2342 (mail-parse-charset gnus-newsgroup-charset)
2343 (mail-parse-ignored-charsets
2344 (save-excursion (condition-case nil
2345 (set-buffer gnus-summary-buffer)
2347 gnus-newsgroup-ignored-charsets))
2348 (inhibit-read-only t))
2350 (article-narrow-to-head)
2351 (funcall gnus-decode-header-function (point-min) (point-max)))))
2353 (defun article-decode-group-name ()
2354 "Decode group names in `Newsgroups:'."
2355 (let ((inhibit-point-motion-hooks t)
2356 (inhibit-read-only t)
2357 (method (gnus-find-method-for-group gnus-newsgroup-name)))
2358 (when (and (or gnus-group-name-charset-method-alist
2359 gnus-group-name-charset-group-alist)
2360 (gnus-buffer-live-p gnus-original-article-buffer))
2362 (article-narrow-to-head)
2363 (with-current-buffer gnus-original-article-buffer
2364 (goto-char (point-min)))
2365 (while (re-search-forward
2366 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2367 (replace-match (save-match-data
2368 (gnus-decode-newsgroups
2369 ;; XXX how to use data in article buffer?
2370 (with-current-buffer gnus-original-article-buffer
2372 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2375 gnus-newsgroup-name method))
2377 (goto-char (point-min))
2378 (with-current-buffer gnus-original-article-buffer
2379 (goto-char (point-min)))
2380 (while (re-search-forward
2381 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2382 (replace-match (save-match-data
2383 (gnus-decode-newsgroups
2384 ;; XXX how to use data in article buffer?
2385 (with-current-buffer gnus-original-article-buffer
2387 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2390 gnus-newsgroup-name method))
2393 (autoload 'idna-to-unicode "idna")
2395 (defun article-decode-idna-rhs ()
2396 "Decode IDNA strings in RHS in various headers in current buffer.
2397 The following headers are decoded: From:, To:, Cc:, Reply-To:,
2398 Mail-Reply-To: and Mail-Followup-To:."
2401 (let ((inhibit-point-motion-hooks t)
2402 (inhibit-read-only t))
2403 (article-narrow-to-head)
2404 (goto-char (point-min))
2405 (while (re-search-forward "@[^ \t\n\r,>]*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2407 (when (save-match-data
2408 (and (setq ace (match-string 1))
2410 (and (re-search-backward "^[^ \t]" nil t)
2411 (looking-at "From\\|To\\|Cc\\|Reply-To\\|Mail-Reply-To\\|Mail-Followup-To")))
2412 (setq unicode (idna-to-unicode ace))))
2413 (unless (string= ace unicode)
2414 (replace-match unicode nil nil nil 1)))))))))
2416 (defun article-de-quoted-unreadable (&optional force read-charset)
2417 "Translate a quoted-printable-encoded article.
2418 If FORCE, decode the article whether it is marked as quoted-printable
2420 If READ-CHARSET, ask for a coding system."
2421 (interactive (list 'force current-prefix-arg))
2423 (let ((inhibit-read-only t) type charset)
2424 (if (gnus-buffer-live-p gnus-original-article-buffer)
2425 (with-current-buffer gnus-original-article-buffer
2427 (gnus-fetch-field "content-transfer-encoding"))
2428 (let* ((ct (gnus-fetch-field "content-type"))
2431 (mail-header-parse-content-type ct)))))
2432 (setq charset (and ctl
2433 (mail-content-type-get ctl 'charset)))
2434 (if (stringp charset)
2435 (setq charset (intern (downcase charset)))))))
2437 (setq charset (mm-read-coding-system "Charset: " charset)))
2439 (setq charset gnus-newsgroup-charset))
2441 (and type (let ((case-fold-search t))
2442 (string-match "quoted-printable" type))))
2444 (quoted-printable-decode-region
2445 (point) (point-max) (mm-charset-to-coding-system charset))))))
2447 (defun article-de-base64-unreadable (&optional force read-charset)
2448 "Translate a base64 article.
2449 If FORCE, decode the article whether it is marked as base64 not.
2450 If READ-CHARSET, ask for a coding system."
2451 (interactive (list 'force current-prefix-arg))
2453 (let ((inhibit-read-only t) type charset)
2454 (if (gnus-buffer-live-p gnus-original-article-buffer)
2455 (with-current-buffer gnus-original-article-buffer
2457 (gnus-fetch-field "content-transfer-encoding"))
2458 (let* ((ct (gnus-fetch-field "content-type"))
2461 (mail-header-parse-content-type ct)))))
2462 (setq charset (and ctl
2463 (mail-content-type-get ctl 'charset)))
2464 (if (stringp charset)
2465 (setq charset (intern (downcase charset)))))))
2467 (setq charset (mm-read-coding-system "Charset: " charset)))
2469 (setq charset gnus-newsgroup-charset))
2471 (and type (let ((case-fold-search t))
2472 (string-match "base64" type))))
2475 (narrow-to-region (point) (point-max))
2476 (base64-decode-region (point-min) (point-max))
2477 (mm-decode-coding-region
2478 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2483 (defun article-decode-HZ ()
2484 "Translate a HZ-encoded article."
2488 (let ((inhibit-read-only t))
2489 (rfc1843-decode-region (point-min) (point-max)))))
2491 (defun article-unsplit-urls ()
2492 "Remove the newlines that some other mailers insert into URLs."
2495 (let ((inhibit-read-only t))
2496 (goto-char (point-min))
2497 (while (re-search-forward
2498 "\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2499 (replace-match "\\1\\3" t)))
2500 (when (interactive-p)
2501 (gnus-treat-article nil))))
2504 (defun article-wash-html (&optional read-charset)
2505 "Format an HTML article.
2506 If READ-CHARSET, ask for a coding system."
2509 (let ((inhibit-read-only t)
2511 (when (gnus-buffer-live-p gnus-original-article-buffer)
2512 (with-current-buffer gnus-original-article-buffer
2513 (let* ((ct (gnus-fetch-field "content-type"))
2516 (mail-header-parse-content-type ct)))))
2517 (setq charset (and ctl
2518 (mail-content-type-get ctl 'charset)))
2519 (when (stringp charset)
2520 (setq charset (intern (downcase charset)))))))
2522 (setq charset (mm-read-coding-system "Charset: " charset)))
2524 (setq charset gnus-newsgroup-charset))
2526 (save-window-excursion
2528 (narrow-to-region (point) (point-max))
2529 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2530 (entry (assq func mm-text-html-washer-alist)))
2532 (setq func (cdr entry)))
2537 (apply (car func) (cdr func))))))))))
2539 (defun gnus-article-wash-html-with-w3 ()
2540 "Wash the current buffer with w3."
2542 (let ((w3-strict-width (window-width))
2543 (url-standalone-mode t)
2544 (url-gateway-unplugged t)
2545 (w3-honor-stylesheets nil))
2547 (w3-region (point-min) (point-max))
2550 (defun gnus-article-wash-html-with-w3m ()
2551 "Wash the current buffer with emacs-w3m."
2554 (narrow-to-region (point) (point-max))
2555 (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp)
2556 w3m-force-redisplay)
2557 (w3m-region (point-min) (point-max)))
2558 (when (and mm-inline-text-html-with-w3m-keymap
2559 (boundp 'w3m-minor-mode-map)
2561 (add-text-properties
2562 (point-min) (point-max)
2563 (list 'keymap w3m-minor-mode-map
2564 ;; Put the mark meaning this part was rendered by emacs-w3m.
2565 'mm-inline-text-html-with-w3m t)))))
2567 (defun article-hide-list-identifiers ()
2568 "Remove list identifies from the Subject header.
2569 The `gnus-list-identifiers' variable specifies what to do."
2571 (let ((inhibit-point-motion-hooks t)
2572 (regexp (if (consp gnus-list-identifiers)
2573 (mapconcat 'identity gnus-list-identifiers " *\\|")
2574 gnus-list-identifiers))
2575 (inhibit-read-only t))
2579 (article-narrow-to-head)
2580 (goto-char (point-min))
2581 (while (re-search-forward
2582 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2584 (delete-region (match-beginning 2) (match-end 0))
2585 (beginning-of-line))
2586 (when (re-search-forward
2587 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2588 (delete-region (match-beginning 1) (match-end 1))))))))
2590 (defun article-hide-pem (&optional arg)
2591 "Toggle hiding of any PEM headers and signatures in the current article.
2592 If given a negative prefix, always show; if given a positive prefix,
2594 (interactive (gnus-article-hidden-arg))
2595 (unless (gnus-article-check-hidden-text 'pem arg)
2597 (let ((inhibit-read-only t) end)
2598 (goto-char (point-min))
2599 ;; Hide the horrendously ugly "header".
2600 (when (and (search-forward
2601 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2603 (setq end (1+ (match-beginning 0))))
2604 (gnus-add-wash-type 'pem)
2605 (gnus-article-hide-text-type
2607 (if (search-forward "\n\n" nil t)
2611 ;; Hide the trailer as well
2612 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2614 (gnus-article-hide-text-type
2615 (match-beginning 0) (match-end 0) 'pem)))))))
2617 (defun article-strip-banner ()
2618 "Strip the banners specified by the `banner' group parameter and by
2619 `gnus-article-address-banner-alist'."
2623 (let ((inhibit-point-motion-hooks t))
2624 (when (gnus-parameter-banner gnus-newsgroup-name)
2625 (article-really-strip-banner
2626 (gnus-parameter-banner gnus-newsgroup-name)))
2627 (when gnus-article-address-banner-alist
2628 ;; It is necessary to encode from fields before checking,
2629 ;; because `mail-header-parse-addresses' does not work
2630 ;; (reliably) on decoded headers. And more, it is
2631 ;; impossible to use `gnus-fetch-original-field' here,
2632 ;; because `article-strip-banner' may be called in draft
2633 ;; buffers to preview them.
2634 (let ((from (save-restriction
2636 (article-narrow-to-head)
2637 (mail-fetch-field "from"))))
2640 (caar (mail-header-parse-addresses
2641 (mail-encode-encoded-word-string from)))))
2643 (dolist (pair gnus-article-address-banner-alist)
2644 (when (string-match (car pair) from)
2646 (article-really-strip-banner (cdr pair)))))))))))))
2648 (defun article-really-strip-banner (banner)
2649 "Strip the banner specified by the argument."
2652 (let ((inhibit-point-motion-hooks t)
2653 (gnus-signature-limit nil)
2654 (inhibit-read-only t))
2657 ((eq banner 'signature)
2658 (when (gnus-article-narrow-to-signature)
2661 (delete-region (point) (point-max))))
2663 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2664 (while (re-search-forward banner nil t)
2665 (delete-region (match-beginning 0) (match-end 0)))))
2667 (while (re-search-forward banner nil t)
2668 (delete-region (match-beginning 0) (match-end 0)))))))))
2670 (defun article-babel ()
2671 "Translate article using an online translation service."
2674 (gnus-with-article-buffer
2675 (when (article-goto-body)
2676 (let* ((start (point))
2678 (orig (buffer-substring start end))
2679 (trans (babel-as-string orig)))
2681 (narrow-to-region start end)
2682 (delete-region start end)
2685 (defun article-hide-signature (&optional arg)
2686 "Hide the signature in the current article.
2687 If given a negative prefix, always show; if given a positive prefix,
2689 (interactive (gnus-article-hidden-arg))
2690 (unless (gnus-article-check-hidden-text 'signature arg)
2693 (let ((inhibit-read-only t))
2694 (when (gnus-article-narrow-to-signature)
2695 (gnus-article-hide-text-type
2696 (point-min) (point-max) 'signature))))))
2697 (gnus-set-mode-line 'article))
2699 (defun article-strip-headers-in-body ()
2700 "Strip offensive headers from bodies."
2704 (let ((case-fold-search t))
2705 (when (looking-at "x-no-archive:")
2706 (gnus-delete-line)))))
2708 (defun article-strip-leading-blank-lines ()
2709 "Remove all blank lines from the beginning of the article."
2712 (let ((inhibit-point-motion-hooks t)
2713 (inhibit-read-only t))
2714 (when (article-goto-body)
2715 (while (and (not (eobp))
2716 (looking-at "[ \t]*$"))
2717 (gnus-delete-line))))))
2719 (defun article-narrow-to-head ()
2720 "Narrow the buffer to the head of the message.
2721 Point is left at the beginning of the narrowed-to region."
2723 (goto-char (point-min))
2724 (if (search-forward "\n\n" nil 1)
2727 (goto-char (point-min)))
2729 (defun article-goto-body ()
2730 "Place point at the start of the body."
2731 (goto-char (point-min))
2733 ;; This variable is only bound when dealing with separate
2735 (article-goto-body-goes-to-point-min-p
2737 ((search-forward "\n\n" nil t)
2740 (goto-char (point-max))
2743 (defun article-strip-multiple-blank-lines ()
2744 "Replace consecutive blank lines with one empty line."
2747 (let ((inhibit-point-motion-hooks t)
2748 (inhibit-read-only t))
2749 ;; First make all blank lines empty.
2751 (while (re-search-forward "^[ \t]+$" nil t)
2752 (unless (gnus-annotation-in-region-p
2753 (match-beginning 0) (match-end 0))
2754 (replace-match "" nil t)))
2755 ;; Then replace multiple empty lines with a single empty line.
2757 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2758 (unless (gnus-annotation-in-region-p
2759 (match-beginning 0) (match-end 0))
2760 (delete-region (match-beginning 1) (match-end 1)))))))
2762 (defun article-strip-leading-space ()
2763 "Remove all white space from the beginning of the lines in the article."
2766 (let ((inhibit-point-motion-hooks t)
2767 (inhibit-read-only t))
2769 (while (re-search-forward "^[ \t]+" nil t)
2770 (replace-match "" t t)))))
2772 (defun article-strip-trailing-space ()
2773 "Remove all white space from the end of the lines in the article."
2776 (let ((inhibit-point-motion-hooks t)
2777 (inhibit-read-only t))
2779 (while (re-search-forward "[ \t]+$" nil t)
2780 (replace-match "" t t)))))
2782 (defun article-strip-blank-lines ()
2783 "Strip leading, trailing and multiple blank lines."
2785 (article-strip-leading-blank-lines)
2786 (article-remove-trailing-blank-lines)
2787 (article-strip-multiple-blank-lines))
2789 (defun article-strip-all-blank-lines ()
2790 "Strip all blank lines."
2793 (let ((inhibit-point-motion-hooks t)
2794 (inhibit-read-only t))
2796 (while (re-search-forward "^[ \t]*\n" nil t)
2797 (replace-match "" t t)))))
2799 (defun gnus-article-narrow-to-signature ()
2800 "Narrow to the signature; return t if a signature is found, else nil."
2801 (let ((inhibit-point-motion-hooks t))
2802 (when (gnus-article-search-signature)
2804 ;; Check whether we have some limits to what we consider
2805 ;; to be a signature.
2806 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2807 (list gnus-signature-limit)))
2809 (while (setq limit (pop limits))
2810 (if (or (and (integerp limit)
2811 (< (- (point-max) (point)) limit))
2813 (< (count-lines (point) (point-max)) limit))
2814 (and (functionp limit)
2816 (and (stringp limit)
2817 (not (re-search-forward limit nil t))))
2818 () ; This limit did not succeed.
2822 (narrow-to-region (point) (point-max))
2825 (defun gnus-article-search-signature ()
2826 "Search the current buffer for the signature separator.
2827 Put point at the beginning of the signature separator."
2828 (let ((cur (point)))
2829 (goto-char (point-max))
2830 (if (if (stringp gnus-signature-separator)
2831 (re-search-backward gnus-signature-separator nil t)
2832 (let ((seps gnus-signature-separator))
2834 (not (re-search-backward (car seps) nil t)))
2841 (defun gnus-article-hidden-arg ()
2842 "Return the current prefix arg as a number, or 0 if no prefix."
2843 (list (if current-prefix-arg
2844 (prefix-numeric-value current-prefix-arg)
2847 (defun gnus-article-check-hidden-text (type arg)
2848 "Return nil if hiding is necessary.
2849 Arg can be nil or a number. nil and positive means hide, negative
2850 means show, 0 means toggle."
2853 (let ((hide (gnus-article-hidden-text-p type)))
2859 (gnus-article-show-hidden-text type)
2862 (if (eq hide 'hidden)
2864 (gnus-article-show-hidden-text type)
2868 (defun gnus-article-hidden-text-p (type)
2869 "Say whether the current buffer contains hidden text of type TYPE."
2870 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2872 (not (get-text-property pos 'invisible))
2873 (not (get-text-property pos 'dummy-invisible)))
2875 (text-property-any (1+ pos) (point-max) 'article-type type)))
2880 (defun gnus-article-show-hidden-text (type &optional dummy)
2881 "Show all hidden text of type TYPE.
2882 Originally it is hide instead of DUMMY."
2883 (let ((inhibit-read-only t)
2884 (inhibit-point-motion-hooks t))
2885 (gnus-remove-text-properties-when
2887 (point-min) (point-max)
2888 (cons 'article-type (cons type
2889 gnus-hidden-properties)))
2890 (gnus-delete-wash-type type)))
2892 (defconst article-time-units
2893 `((year . ,(* 365.25 24 60 60))
2894 (week . ,(* 7 24 60 60))
2895 (day . ,(* 24 60 60))
2899 "Mapping from time units to seconds.")
2901 (defun gnus-article-forward-header ()
2902 "Move point to the start of the next header.
2903 If the current header is a continuation header, this can be several
2908 (if (looking-at "[ \t]+[^ \t]")
2912 (defun article-date-ut (&optional type highlight)
2913 "Convert DATE date to universal time in the current article.
2914 If TYPE is `local', convert to local time; if it is `lapsed', output
2915 how much time has lapsed since DATE. For `lapsed', the value of
2916 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2917 should replace the \"Date:\" one, or should be added below it."
2918 (interactive (list 'ut t))
2919 (let* ((tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
2920 (date-regexp (cond ((not gnus-article-date-lapsed-new-header)
2924 (article-lapsed-timer
2928 (case-fold-search t)
2929 (inhibit-read-only t)
2930 (inhibit-point-motion-hooks t)
2931 pos date bface eface)
2935 (goto-char (point-min))
2936 (while (or (setq date (get-text-property (setq pos (point))
2938 (when (setq pos (next-single-property-change
2939 (point) 'original-date))
2940 (setq date (get-text-property pos 'original-date))
2942 (narrow-to-region pos (or (text-property-any pos (point-max)
2945 (goto-char (point-min))
2946 (when (re-search-forward tdate-regexp nil t)
2947 (setq bface (get-text-property (point-at-bol) 'face)
2948 eface (get-text-property (1- (point-at-eol)) 'face)))
2949 (goto-char (point-min))
2951 ;; Delete any old Date headers.
2952 (while (re-search-forward date-regexp nil t)
2954 (delete-region (point-at-bol) (progn
2955 (gnus-article-forward-header)
2957 (delete-region (point-at-bol) (progn
2958 (gnus-article-forward-header)
2961 (setq pos (point))))
2962 (when (and (not pos)
2963 (re-search-forward tdate-regexp nil t))
2965 (gnus-goto-char pos)
2966 (insert (article-make-date-line date (or type 'ut)))
2972 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
2973 (put-text-property (match-beginning 1) (1+ (match-end 1))
2975 (put-text-property (match-beginning 2) (match-end 2)
2977 (put-text-property (point-min) (1- (point-max)) 'original-date date)
2978 (goto-char (point-max))
2981 (defun article-make-date-line (date type)
2982 "Return a DATE line of TYPE."
2983 (unless (memq type '(local ut original user iso8601 lapsed english))
2984 (error "Unknown conversion type: %s" type))
2986 (let ((time (date-to-time date)))
2988 ;; Convert to the local timezone.
2990 (concat "Date: " (message-make-date time)))
2991 ;; Convert to Universal Time.
2996 (let* ((e (parse-time-string date))
2997 (tm (apply 'encode-time e))
2999 (ls (- (cadr tm) (car (current-time-zone time)))))
3000 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
3001 ((> ls 65535) (list (1+ ms) (- ls 65536)))
3005 ;; Get the original date from the article.
3006 ((eq type 'original)
3007 (concat "Date: " (if (string-match "\n+$" date)
3008 (substring date 0 (match-beginning 0))
3010 ;; Let the user define the format.
3012 (let ((format (or (condition-case nil
3013 (with-current-buffer gnus-summary-buffer
3014 gnus-article-time-format)
3016 gnus-article-time-format)))
3017 (if (functionp format)
3018 (funcall format time)
3019 (concat "Date: " (format-time-string format time)))))
3022 (let ((tz (car (current-time-zone time))))
3025 (format-time-string "%Y%m%dT%H%M%S" time)
3026 (format "%s%02d%02d"
3027 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
3028 (/ (% (abs tz) 3600) 60)))))
3029 ;; Do an X-Sent lapsed format.
3031 ;; If the date is seriously mangled, the timezone functions are
3032 ;; liable to bug out, so we ignore all errors.
3033 (let* ((now (current-time))
3034 (real-time (subtract-time now time))
3035 (real-sec (and real-time
3036 (+ (* (float (car real-time)) 65536)
3038 (sec (and real-time (abs real-sec)))
3048 ;; This is a bit convoluted, but basically we go
3049 ;; through the time units for years, weeks, etc,
3050 ;; and divide things to see whether that results
3051 ;; in positive answers.
3054 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
3055 ;; The (remaining) seconds are too few to
3056 ;; be divided into this time unit.
3058 ;; It's big enough, so we output it.
3059 (setq sec (- sec (* num (cdr unit))))
3061 (concat (if prev ", " "") (int-to-string
3063 " " (symbol-name (car unit))
3064 (if (> num 1) "s" ""))
3066 article-time-units "")
3067 ;; If dates are odd, then it might appear like the
3068 ;; article was sent in the future.
3071 " in the future"))))))
3072 ;; Display the date in proper English
3074 (let ((dtime (decode-time time)))
3077 (number-to-string (nth 3 dtime))
3078 (let ((digit (% (nth 3 dtime) 10)))
3080 ((memq (nth 3 dtime) '(11 12 13)) "th")
3086 (nth (1- (nth 4 dtime)) gnus-english-month-names)
3088 (number-to-string (nth 5 dtime))
3090 (format "%02d" (nth 2 dtime))
3092 (format "%02d" (nth 1 dtime)))))))
3094 (format "Date: %s (from Gnus)" date))))
3096 (defun article-date-local (&optional highlight)
3097 "Convert the current article date to the local timezone."
3098 (interactive (list t))
3099 (article-date-ut 'local highlight))
3101 (defun article-date-english (&optional highlight)
3102 "Convert the current article date to something that is proper English."
3103 (interactive (list t))
3104 (article-date-ut 'english highlight))
3106 (defun article-date-original (&optional highlight)
3107 "Convert the current article date to what it was originally.
3108 This is only useful if you have used some other date conversion
3109 function and want to see what the date was before converting."
3110 (interactive (list t))
3111 (article-date-ut 'original highlight))
3113 (defun article-date-lapsed (&optional highlight)
3114 "Convert the current article date to time lapsed since it was sent."
3115 (interactive (list t))
3116 (article-date-ut 'lapsed highlight))
3118 (defun article-update-date-lapsed ()
3119 "Function to be run from a timer to update the lapsed time line."
3121 (let (deactivate-mark)
3126 (set-buffer (window-buffer w))
3127 (when (eq major-mode 'gnus-article-mode)
3128 (let ((mark (point-marker)))
3129 (goto-char (point-min))
3130 (when (re-search-forward "^X-Sent:" nil t)
3131 (article-date-lapsed t))
3132 (goto-char (marker-position mark))
3133 (move-marker mark nil))))
3136 (defun gnus-start-date-timer (&optional n)
3137 "Start a timer to update the X-Sent header in the article buffers.
3138 The numerical prefix says how frequently (in seconds) the function
3143 (gnus-stop-date-timer)
3144 (setq article-lapsed-timer
3145 (run-at-time 1 n 'article-update-date-lapsed)))
3147 (defun gnus-stop-date-timer ()
3148 "Stop the X-Sent timer."
3150 (when article-lapsed-timer
3151 (nnheader-cancel-timer article-lapsed-timer)
3152 (setq article-lapsed-timer nil)))
3154 (defun article-date-user (&optional highlight)
3155 "Convert the current article date to the user-defined format.
3156 This format is defined by the `gnus-article-time-format' variable."
3157 (interactive (list t))
3158 (article-date-ut 'user highlight))
3160 (defun article-date-iso8601 (&optional highlight)
3161 "Convert the current article date to ISO8601."
3162 (interactive (list t))
3163 (article-date-ut 'iso8601 highlight))
3165 (defmacro gnus-article-save-original-date (&rest forms)
3166 "Save the original date as a text property and evaluate FORMS."
3167 `(let* ((case-fold-search t)
3169 (goto-char (point-min))
3170 (when (and (re-search-forward "^date:[\t\n ]+" nil t)
3173 (date (when (and start
3174 (re-search-forward "[\t ]*\n\\(?:[^\t ]\\|\\'\\)"
3176 (buffer-substring-no-properties start
3177 (match-beginning 0)))))
3178 (goto-char (point-max))
3179 (skip-chars-backward "\n")
3180 (put-text-property (point-min) (point) 'original-date date)
3182 (goto-char (point-max))
3183 (skip-chars-backward "\n")
3184 (put-text-property (point-min) (point) 'original-date date)))
3186 ;; (defun article-show-all ()
3187 ;; "Show all hidden text in the article buffer."
3190 ;; (let ((inhibit-read-only t))
3191 ;; (gnus-article-unhide-text (point-min) (point-max)))))
3193 (defun article-remove-leading-whitespace ()
3194 "Remove excessive whitespace from all headers."
3198 (let ((inhibit-read-only t))
3199 (article-narrow-to-head)
3200 (goto-char (point-min))
3201 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3202 (delete-region (match-beginning 1) (match-end 1)))))))
3204 (defun article-emphasize (&optional arg)
3205 "Emphasize text according to `gnus-emphasis-alist'."
3206 (interactive (gnus-article-hidden-arg))
3207 (unless (gnus-article-check-hidden-text 'emphasis arg)
3211 (with-current-buffer gnus-summary-buffer
3212 gnus-article-emphasis-alist)
3214 gnus-emphasis-alist))
3215 (inhibit-read-only t)
3216 (props (append '(article-type emphasis)
3217 gnus-hidden-properties))
3218 regexp elem beg invisible visible face)
3221 (while (setq elem (pop alist))
3223 (setq regexp (car elem)
3224 invisible (nth 1 elem)
3225 visible (nth 2 elem)
3227 (while (re-search-forward regexp nil t)
3228 (when (and (match-beginning visible) (match-beginning invisible))
3229 (gnus-article-hide-text
3230 (match-beginning invisible) (match-end invisible) props)
3231 (gnus-article-unhide-text-type
3232 (match-beginning visible) (match-end visible) 'emphasis)
3233 (gnus-put-overlay-excluding-newlines
3234 (match-beginning visible) (match-end visible) 'face face)
3235 (gnus-add-wash-type 'emphasis)
3236 (goto-char (match-end invisible)))))))))
3238 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3239 "Setup newsgroup emphasis alist."
3240 (unless gnus-article-emphasis-alist
3241 (let ((name (and gnus-newsgroup-name
3242 (gnus-group-real-name gnus-newsgroup-name))))
3243 (make-local-variable 'gnus-article-emphasis-alist)
3244 (setq gnus-article-emphasis-alist
3246 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3247 (while (setq elem (pop alist))
3248 (when (and name (string-match (car elem) name))
3250 highlight (copy-sequence (cdr elem)))))
3252 (copy-sequence highlight-words)
3253 (if gnus-newsgroup-name
3254 (copy-sequence (gnus-group-find-parameter
3255 gnus-newsgroup-name 'highlight-words t)))
3256 gnus-emphasis-alist)))))
3259 (defvar gnus-summary-article-menu)
3260 (defvar gnus-summary-post-menu))
3262 ;;; Saving functions.
3264 (defun gnus-article-save (save-buffer file &optional num)
3265 "Save the currently selected article."
3266 (unless gnus-save-all-headers
3267 ;; Remove headers according to `gnus-saved-headers'.
3268 (let ((gnus-visible-headers
3269 (or gnus-saved-headers gnus-visible-headers))
3270 (gnus-article-buffer save-buffer))
3272 (set-buffer save-buffer)
3273 (article-hide-headers 1 t))))
3274 (save-window-excursion
3275 (if (not gnus-default-article-saver)
3276 (error "No default saver is defined")
3277 ;; !!! Magic! The saving functions all save
3278 ;; `gnus-save-article-buffer' (or so they think), but we
3279 ;; bind that variable to our save-buffer.
3280 (set-buffer gnus-article-buffer)
3281 (let* ((gnus-save-article-buffer save-buffer)
3284 ((not gnus-prompt-before-saving) 'default)
3285 ((eq gnus-prompt-before-saving 'always) nil)
3287 (gnus-number-of-articles-to-be-saved
3288 (when (eq gnus-prompt-before-saving t)
3290 (set-buffer gnus-article-current-summary)
3291 (funcall gnus-default-article-saver filename)))))
3293 (defun gnus-read-save-file-name (prompt &optional filename
3294 function group headers variable)
3296 (funcall function group headers (symbol-value variable)))
3301 ((eq filename 'default)
3307 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3310 (if (and gnus-number-of-articles-to-be-saved
3311 (> gnus-number-of-articles-to-be-saved 1))
3312 (format "these %d articles"
3313 gnus-number-of-articles-to-be-saved)
3316 ;; Let the split methods have their say.
3318 ;; No split name was found.
3321 (concat prompt " (default "
3322 (file-name-nondirectory default-name) "): ")
3323 (file-name-directory default-name)
3325 ;; A single group name is returned.
3326 ((stringp split-name)
3328 (funcall function split-name headers
3329 (symbol-value variable)))
3331 (concat prompt " (default "
3332 (file-name-nondirectory default-name) "): ")
3333 (file-name-directory default-name)
3335 ;; A single split name was found
3336 ((= 1 (length split-name))
3337 (let* ((name (expand-file-name
3339 gnus-article-save-directory))
3340 (dir (cond ((file-directory-p name)
3341 (file-name-as-directory name))
3342 ((file-exists-p name) name)
3343 (t gnus-article-save-directory))))
3345 (concat prompt " (default " name "): ")
3347 ;; A list of splits was found.
3349 (setq split-name (nreverse split-name))
3351 (let ((file-name-history
3352 (nconc split-name file-name-history)))
3356 (concat prompt " (`M-p' for defaults): ")
3357 gnus-article-save-directory
3359 gnus-article-save-directory)))
3360 (car (push result file-name-history)))))))
3361 ;; Create the directory.
3362 (gnus-make-directory (file-name-directory file))
3363 ;; If we have read a directory, we append the default file name.
3364 (when (file-directory-p file)
3365 (setq file (expand-file-name (file-name-nondirectory
3367 (file-name-as-directory file))))
3368 ;; Possibly translate some characters.
3369 (nnheader-translate-file-chars file))))))
3370 (gnus-make-directory (file-name-directory result))
3371 (set variable result)))
3373 (defun gnus-article-archive-name (group)
3374 "Return the first instance of an \"Archive-name\" in the current buffer."
3375 (let ((case-fold-search t))
3376 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3377 (nnheader-concat gnus-article-save-directory
3378 (match-string 1)))))
3380 (defun gnus-article-nndoc-name (group)
3381 "If GROUP is an nndoc group, return the name of the parent group."
3382 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3383 (gnus-group-get-parameter group 'save-article-group)))
3385 (defun gnus-summary-save-in-rmail (&optional filename)
3386 "Append this article to Rmail file.
3387 Optional argument FILENAME specifies file name.
3388 Directory to save to is default to `gnus-article-save-directory'."
3389 (setq filename (gnus-read-save-file-name
3390 "Save %s in rmail file" filename
3391 gnus-rmail-save-name gnus-newsgroup-name
3392 gnus-current-headers 'gnus-newsgroup-last-rmail))
3393 (gnus-eval-in-buffer-window gnus-save-article-buffer
3397 (gnus-output-to-rmail filename))))
3400 (defun gnus-summary-save-in-mail (&optional filename)
3401 "Append this article to Unix mail file.
3402 Optional argument FILENAME specifies file name.
3403 Directory to save to is default to `gnus-article-save-directory'."
3404 (setq filename (gnus-read-save-file-name
3405 "Save %s in Unix mail file" filename
3406 gnus-mail-save-name gnus-newsgroup-name
3407 gnus-current-headers 'gnus-newsgroup-last-mail))
3408 (gnus-eval-in-buffer-window gnus-save-article-buffer
3412 (if (and (file-readable-p filename)
3413 (file-regular-p filename)
3414 (mail-file-babyl-p filename))
3415 (rmail-output-to-rmail-file filename t)
3416 (gnus-output-to-mail filename)))))
3419 (defun gnus-summary-save-in-file (&optional filename overwrite)
3420 "Append this article to file.
3421 Optional argument FILENAME specifies file name.
3422 Directory to save to is default to `gnus-article-save-directory'."
3423 (setq filename (gnus-read-save-file-name
3424 "Save %s in file" filename
3425 gnus-file-save-name gnus-newsgroup-name
3426 gnus-current-headers 'gnus-newsgroup-last-file))
3427 (gnus-eval-in-buffer-window gnus-save-article-buffer
3431 (when (and overwrite
3432 (file-exists-p filename))
3433 (delete-file filename))
3434 (gnus-output-to-file filename))))
3437 (defun gnus-summary-write-to-file (&optional filename)
3438 "Write this article to a file, overwriting it if the file exists.
3439 Optional argument FILENAME specifies file name.
3440 The directory to save in defaults to `gnus-article-save-directory'."
3441 (gnus-summary-save-in-file nil t))
3443 (defun gnus-summary-save-body-in-file (&optional filename)
3444 "Append this article body to a file.
3445 Optional argument FILENAME specifies file name.
3446 The directory to save in defaults to `gnus-article-save-directory'."
3447 (setq filename (gnus-read-save-file-name
3448 "Save %s body in file" filename
3449 gnus-file-save-name gnus-newsgroup-name
3450 gnus-current-headers 'gnus-newsgroup-last-file))
3451 (gnus-eval-in-buffer-window gnus-save-article-buffer
3455 (when (article-goto-body)
3456 (narrow-to-region (point) (point-max)))
3457 (gnus-output-to-file filename))))
3460 (defun gnus-summary-save-in-pipe (&optional command)
3461 "Pipe this article to subprocess."
3463 (cond ((and (eq command 'default)
3464 gnus-last-shell-command)
3465 gnus-last-shell-command)
3470 "Shell command on %s: "
3471 (if (and gnus-number-of-articles-to-be-saved
3472 (> gnus-number-of-articles-to-be-saved 1))
3473 (format "these %d articles"
3474 gnus-number-of-articles-to-be-saved)
3476 gnus-last-shell-command))))
3477 (when (string-equal command "")
3478 (if gnus-last-shell-command
3479 (setq command gnus-last-shell-command)
3480 (error "A command is required")))
3481 (gnus-eval-in-buffer-window gnus-article-buffer
3484 (shell-command-on-region (point-min) (point-max) command nil)))
3485 (setq gnus-last-shell-command command))
3487 (defun gnus-summary-pipe-to-muttprint (&optional command)
3488 "Pipe this article to muttprint."
3489 (setq command (read-string
3490 "Print using command: " gnus-summary-muttprint-program
3491 nil gnus-summary-muttprint-program))
3492 (gnus-summary-save-in-pipe command))
3494 ;;; Article file names when saving.
3496 (defun gnus-capitalize-newsgroup (newsgroup)
3497 "Capitalize NEWSGROUP name."
3498 (when (not (zerop (length newsgroup)))
3499 (concat (char-to-string (upcase (aref newsgroup 0)))
3500 (substring newsgroup 1))))
3502 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
3503 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3504 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3505 Otherwise, it is like ~/News/news/group/num."
3508 (concat (if (gnus-use-long-file-name 'not-save)
3509 (gnus-capitalize-newsgroup newsgroup)
3510 (gnus-newsgroup-directory-form newsgroup))
3511 "/" (int-to-string (mail-header-number headers)))
3512 gnus-article-save-directory)))
3514 (string-equal (file-name-directory default)
3515 (file-name-directory last-file))
3516 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3518 (or last-file default))))
3520 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3521 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3522 If variable `gnus-use-long-file-name' is non-nil, it is
3523 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3526 (concat (if (gnus-use-long-file-name 'not-save)
3528 (gnus-newsgroup-directory-form newsgroup))
3529 "/" (int-to-string (mail-header-number headers)))
3530 gnus-article-save-directory)))
3532 (string-equal (file-name-directory default)
3533 (file-name-directory last-file))
3534 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3536 (or last-file default))))
3538 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3539 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3540 If variable `gnus-use-long-file-name' is non-nil, it is
3541 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3544 (if (gnus-use-long-file-name 'not-save)
3547 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3549 gnus-article-save-directory)))
3551 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3552 "Generate file name from sender."
3553 (let ((from (mail-header-from headers)))
3555 (if (and from (string-match "\\([^ <]+\\)@" from))
3556 (match-string 1 from)
3558 gnus-article-save-directory)))
3560 (defun article-verify-x-pgp-sig ()
3563 (if (gnus-buffer-live-p gnus-original-article-buffer)
3564 (let ((sig (with-current-buffer gnus-original-article-buffer
3565 (gnus-fetch-field "X-PGP-Sig")))
3569 (mml2015-clear-verify-function))
3571 (insert-buffer-substring gnus-original-article-buffer)
3572 (setq items (split-string sig))
3573 (message-narrow-to-head)
3574 (let ((inhibit-point-motion-hooks t)
3575 (case-fold-search t))
3576 ;; Don't verify multiple headers.
3577 (setq headers (mapconcat (lambda (header)
3579 (mail-fetch-field header)
3581 (split-string (nth 1 items) ",") "")))
3582 (delete-region (point-min) (point-max))
3583 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3584 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3589 (if (looking-at "^-")
3592 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3593 (insert "Version: " (car items) "\n\n")
3594 (insert (mapconcat 'identity (cddr items) "\n"))
3595 (insert "\n-----END PGP SIGNATURE-----\n")
3596 (let ((mm-security-handle (list (format "multipart/signed"))))
3597 (mml2015-clean-buffer)
3598 (let ((coding-system-for-write (or gnus-newsgroup-charset
3600 (funcall (mml2015-clear-verify-function)))
3602 (or (mm-handle-multipart-ctl-parameter
3603 mm-security-handle 'gnus-details)
3604 (mm-handle-multipart-ctl-parameter
3605 mm-security-handle 'gnus-info)))))
3607 (let ((inhibit-read-only t) bface eface)
3609 (message-narrow-to-head)
3610 (goto-char (point-max))
3612 (setq bface (get-text-property (point-at-bol) 'face)
3613 eface (get-text-property (1- (point-at-eol)) 'face))
3614 (message-remove-header "X-Gnus-PGP-Verify")
3615 (if (re-search-forward "^X-PGP-Sig:" nil t)
3617 (goto-char (point-max)))
3618 (narrow-to-region (point) (point))
3619 (insert "X-Gnus-PGP-Verify: " info "\n")
3620 (goto-char (point-min))
3623 (if (not (looking-at "^[ \t]"))
3627 (goto-char (point-min))
3628 (when (looking-at "\\([^:]+\\): *")
3629 (put-text-property (match-beginning 1) (1+ (match-end 1))
3631 (put-text-property (match-end 0) (point-max)
3632 'face eface)))))))))
3634 (defun article-verify-cancel-lock ()
3635 "Verify Cancel-Lock header."
3637 (if (gnus-buffer-live-p gnus-original-article-buffer)
3638 (canlock-verify gnus-original-article-buffer)))
3645 (setq afunc (car func)
3648 gfunc (intern (format "gnus-%s" func))))
3650 (when (fboundp afunc)
3651 `(lambda (&optional interactive &rest args)
3652 ,(documentation afunc t)
3653 (interactive (list t))
3655 (set-buffer gnus-article-buffer)
3657 (call-interactively ',afunc)
3658 (apply ',afunc args))))))))
3659 '(article-hide-headers
3660 article-verify-x-pgp-sig
3661 article-verify-cancel-lock
3662 article-hide-boring-headers
3663 article-treat-overstrike
3664 article-treat-ansi-sequences
3665 article-fill-long-lines
3666 article-capitalize-sentences
3668 article-remove-leading-whitespace
3669 article-display-x-face
3670 article-display-face
3671 article-de-quoted-unreadable
3672 article-de-base64-unreadable
3675 article-unsplit-urls
3676 article-hide-list-identifiers
3677 article-strip-banner
3680 article-hide-signature
3681 article-strip-headers-in-body
3682 article-remove-trailing-blank-lines
3683 article-strip-leading-blank-lines
3684 article-strip-multiple-blank-lines
3685 article-strip-leading-space
3686 article-strip-trailing-space
3687 article-strip-blank-lines
3688 article-strip-all-blank-lines
3690 article-date-english
3691 article-date-iso8601
3692 article-date-original
3694 article-decode-mime-words
3695 article-decode-charset
3696 article-decode-encoded-words
3700 article-treat-dumbquotes
3701 article-normalize-headers
3702 ;; (article-show-all . gnus-article-show-all-headers)
3706 ;;; Gnus article mode
3709 (put 'gnus-article-mode 'mode-class 'special)
3711 (set-keymap-parent gnus-article-mode-map widget-keymap)
3713 (gnus-define-keys gnus-article-mode-map
3714 " " gnus-article-goto-next-page
3715 "\177" gnus-article-goto-prev-page
3716 [delete] gnus-article-goto-prev-page
3717 [backspace] gnus-article-goto-prev-page
3718 "\C-c^" gnus-article-refer-article
3719 "h" gnus-article-show-summary
3720 "s" gnus-article-show-summary
3721 "\C-c\C-m" gnus-article-mail
3722 "?" gnus-article-describe-briefly
3723 "e" gnus-summary-edit-article
3724 "<" beginning-of-buffer
3726 "\C-c\C-i" gnus-info-find-node
3728 "R" gnus-article-reply-with-original
3729 "F" gnus-article-followup-with-original
3730 "\C-hk" gnus-article-describe-key
3731 "\C-hc" gnus-article-describe-key-briefly
3733 "\C-d" gnus-article-read-summary-keys
3734 "\M-*" gnus-article-read-summary-keys
3735 "\M-#" gnus-article-read-summary-keys
3736 "\M-^" gnus-article-read-summary-keys
3737 "\M-g" gnus-article-read-summary-keys)
3739 (substitute-key-definition
3740 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
3742 (defun gnus-article-make-menu-bar ()
3743 (unless (boundp 'gnus-article-commands-menu)
3744 (gnus-summary-make-menu-bar))
3745 (gnus-turn-off-edit-menu 'article)
3746 (unless (boundp 'gnus-article-article-menu)
3748 gnus-article-article-menu gnus-article-mode-map ""
3750 ["Scroll forwards" gnus-article-goto-next-page t]
3751 ["Scroll backwards" gnus-article-goto-prev-page t]
3752 ["Show summary" gnus-article-show-summary t]
3753 ["Fetch Message-ID at point" gnus-article-refer-article t]
3754 ["Mail to address at point" gnus-article-mail t]
3755 ["Send a bug report" gnus-bug t]))
3758 gnus-article-treatment-menu gnus-article-mode-map ""
3759 ;; Fixme: this should use :active (and maybe :visible).
3761 ["Hide headers" gnus-article-hide-headers t]
3762 ["Hide signature" gnus-article-hide-signature t]
3763 ["Hide citation" gnus-article-hide-citation t]
3764 ["Treat overstrike" gnus-article-treat-overstrike t]
3765 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
3766 ["Remove carriage return" gnus-article-remove-cr t]
3767 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3768 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
3769 ["Remove base64" gnus-article-de-base64-unreadable t]
3770 ["Treat html" gnus-article-wash-html t]
3771 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3772 ["Decode HZ" gnus-article-decode-HZ t]))
3774 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3776 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3778 (gnus-run-hooks 'gnus-article-menu-hook)))
3780 (defun gnus-article-mode ()
3781 "Major mode for displaying an article.
3783 All normal editing commands are switched off.
3785 The following commands are available in addition to all summary mode
3787 \\<gnus-article-mode-map>
3788 \\[gnus-article-next-page]\t Scroll the article one page forwards
3789 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3790 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3791 \\[gnus-article-show-summary]\t Display the summary buffer
3792 \\[gnus-article-mail]\t Send a reply to the address near point
3793 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3794 \\[gnus-info-find-node]\t Go to the Gnus info node"
3796 (kill-all-local-variables)
3797 (gnus-simplify-mode-line)
3798 (setq mode-name "Article")
3799 (setq major-mode 'gnus-article-mode)
3800 (make-local-variable 'minor-mode-alist)
3801 (use-local-map gnus-article-mode-map)
3802 (when (gnus-visual-p 'article-menu 'menu)
3803 (gnus-article-make-menu-bar)
3804 (when gnus-summary-tool-bar-map
3805 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
3806 (gnus-update-format-specifications nil 'article-mode)
3807 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3808 (set (make-local-variable 'gnus-page-broken) nil)
3809 (make-local-variable 'gnus-button-marker-list)
3810 (make-local-variable 'gnus-article-current-summary)
3811 (make-local-variable 'gnus-article-mime-handles)
3812 (make-local-variable 'gnus-article-decoded-p)
3813 (make-local-variable 'gnus-article-mime-handle-alist)
3814 (make-local-variable 'gnus-article-wash-types)
3815 (make-local-variable 'gnus-article-image-alist)
3816 (make-local-variable 'gnus-article-charset)
3817 (make-local-variable 'gnus-article-ignored-charsets)
3818 ;; Prevent recent Emacsen from displaying non-break space as "\ ".
3819 (set (make-local-variable 'nobreak-char-display) nil)
3820 (gnus-set-default-directory)
3821 (buffer-disable-undo)
3822 (setq buffer-read-only t
3823 show-trailing-whitespace nil)
3824 (set-syntax-table gnus-article-mode-syntax-table)
3825 (mm-enable-multibyte)
3826 (gnus-run-mode-hooks 'gnus-article-mode-hook))
3828 (defun gnus-article-setup-buffer ()
3829 "Initialize the article buffer."
3830 (let* ((name (if gnus-single-article-buffer "*Article*"
3831 (concat "*Article " gnus-newsgroup-name "*")))
3833 (progn (string-match "\\*Article" name)
3834 (concat " *Original Article"
3835 (substring name (match-end 0))))))
3836 (setq gnus-article-buffer name)
3837 (setq gnus-original-article-buffer original)
3838 (setq gnus-article-mime-handle-alist nil)
3839 ;; This might be a variable local to the summary buffer.
3840 (unless gnus-single-article-buffer
3842 (set-buffer gnus-summary-buffer)
3843 (setq gnus-article-buffer name)
3844 (setq gnus-original-article-buffer original)
3845 (gnus-set-global-variables)))
3846 (gnus-article-setup-highlight-words)
3847 ;; Init original article buffer.
3849 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3850 (mm-enable-multibyte)
3851 (setq major-mode 'gnus-original-article-mode)
3852 (make-local-variable 'gnus-original-article))
3853 (if (and (get-buffer name)
3854 (with-current-buffer name
3855 (if gnus-article-edit-mode
3856 (if (y-or-n-p "Article mode edit in progress; discard? ")
3858 (set-buffer-modified-p nil)
3859 (gnus-kill-buffer name)
3862 (error "Action aborted"))
3866 (set (make-local-variable 'gnus-article-edit-mode) nil)
3867 (when gnus-article-mime-handles
3868 (mm-destroy-parts gnus-article-mime-handles)
3869 (setq gnus-article-mime-handles nil))
3870 ;; Set it to nil in article-buffer!
3871 (setq gnus-article-mime-handle-alist nil)
3872 (buffer-disable-undo)
3873 (setq buffer-read-only t)
3874 ;; This list just keeps growing if we don't reset it.
3875 (setq gnus-button-marker-list nil)
3876 (unless (eq major-mode 'gnus-article-mode)
3877 (gnus-article-mode))
3880 (set-buffer (gnus-get-buffer-create name))
3882 (make-local-variable 'gnus-summary-buffer)
3883 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3884 (current-buffer)))))
3886 ;; Set article window start at LINE, where LINE is the number of lines
3887 ;; from the head of the article.
3888 (defun gnus-article-set-window-start (&optional line)
3890 (gnus-get-buffer-window gnus-article-buffer t)
3892 (set-buffer gnus-article-buffer)
3893 (goto-char (point-min))
3896 (gnus-message 6 "Moved to bookmark")
3897 (search-forward "\n\n" nil t)
3901 (defun gnus-article-prepare (article &optional all-headers header)
3902 "Prepare ARTICLE in article mode buffer.
3903 ARTICLE should either be an article number or a Message-ID.
3904 If ARTICLE is an id, HEADER should be the article headers.
3905 If ALL-HEADERS is non-nil, no headers are hidden."
3907 ;; Make sure we start in a summary buffer.
3908 (unless (eq major-mode 'gnus-summary-mode)
3909 (set-buffer gnus-summary-buffer))
3910 (setq gnus-summary-buffer (current-buffer))
3911 (let* ((gnus-article (if header (mail-header-number header) article))
3912 (summary-buffer (current-buffer))
3913 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
3914 (group gnus-newsgroup-name)
3917 (gnus-article-setup-buffer)
3918 (set-buffer gnus-article-buffer)
3919 ;; Deactivate active regions.
3920 (when (and (boundp 'transient-mark-mode)
3921 transient-mark-mode)
3922 (setq mark-active nil))
3923 (if (not (setq result (let ((inhibit-read-only t))
3924 (gnus-request-article-this-buffer
3926 ;; There is no such article.
3928 (when (and (numberp article)
3929 (not (memq article gnus-newsgroup-sparse)))
3930 (setq gnus-article-current
3931 (cons gnus-newsgroup-name article))
3932 (set-buffer gnus-summary-buffer)
3933 (setq gnus-current-article article)
3934 (if (and (memq article gnus-newsgroup-undownloaded)
3935 (not (gnus-online (gnus-find-method-for-group
3936 gnus-newsgroup-name))))
3938 (gnus-summary-set-agent-mark article)
3939 (message "Message marked for downloading"))
3940 (gnus-summary-mark-article article gnus-canceled-mark)
3941 (unless (memq article gnus-newsgroup-sparse)
3942 (gnus-error 1 "No such article (may have expired or been canceled)")))))
3943 (if (or (eq result 'pseudo)
3944 (eq result 'nneething))
3947 (set-buffer summary-buffer)
3948 (push article gnus-newsgroup-history)
3949 (setq gnus-last-article gnus-current-article
3950 gnus-current-article 0
3951 gnus-current-headers nil
3952 gnus-article-current nil)
3953 (if (eq result 'nneething)
3954 (gnus-configure-windows 'summary)
3955 (gnus-configure-windows 'article))
3956 (gnus-set-global-variables))
3957 (let ((gnus-article-mime-handle-alist-1
3958 gnus-article-mime-handle-alist))
3959 (gnus-set-mode-line 'article)))
3960 ;; The result from the `request' was an actual article -
3961 ;; or at least some text that is now displayed in the
3963 (when (and (numberp article)
3964 (not (eq article gnus-current-article)))
3965 ;; Seems like a new article has been selected.
3966 ;; `gnus-current-article' must be an article number.
3968 (set-buffer summary-buffer)
3969 (push article gnus-newsgroup-history)
3970 (setq gnus-last-article gnus-current-article
3971 gnus-current-article article
3972 gnus-current-headers
3973 (gnus-summary-article-header gnus-current-article)
3974 gnus-article-current
3975 (cons gnus-newsgroup-name gnus-current-article))
3976 (unless (vectorp gnus-current-headers)
3977 (setq gnus-current-headers nil))
3978 (gnus-summary-goto-subject gnus-current-article)
3979 (when (gnus-summary-show-thread)
3980 ;; If the summary buffer really was folded, the
3981 ;; previous goto may not actually have gone to
3982 ;; the right article, but the thread root instead.
3984 (gnus-summary-goto-subject gnus-current-article))
3985 (gnus-run-hooks 'gnus-mark-article-hook)
3986 (gnus-set-mode-line 'summary)
3987 (when (gnus-visual-p 'article-highlight 'highlight)
3988 (gnus-run-hooks 'gnus-visual-mark-article-hook))
3989 ;; Set the global newsgroup variables here.
3990 (gnus-set-global-variables)
3991 (setq gnus-have-all-headers
3992 (or all-headers gnus-show-all-headers))))
3994 (gnus-configure-windows 'article))
3995 (when (or (numberp article)
3997 (gnus-article-prepare-display)
3999 (goto-char (point-min))
4000 (when gnus-break-pages
4001 (gnus-narrow-to-page)))
4002 (let ((gnus-article-mime-handle-alist-1
4003 gnus-article-mime-handle-alist))
4004 (gnus-set-mode-line 'article))
4008 (set-window-point (get-buffer-window (current-buffer)) (point))
4009 (gnus-configure-windows 'article)
4013 (defun gnus-article-prepare-display ()
4014 "Make the current buffer look like a nice article."
4015 ;; Hooks for getting information from the article.
4016 ;; This hook must be called before being narrowed.
4017 (let ((gnus-article-buffer (current-buffer))
4019 (inhibit-read-only t))
4020 (unless (eq major-mode 'gnus-article-mode)
4021 (gnus-article-mode))
4022 (setq buffer-read-only nil
4023 gnus-article-wash-types nil
4024 gnus-article-image-alist nil)
4025 (gnus-run-hooks 'gnus-tmp-internal-hook)
4026 (when gnus-display-mime-function
4027 (funcall gnus-display-mime-function))
4028 (gnus-run-hooks 'gnus-article-prepare-hook)))
4031 ;;; Gnus MIME viewing functions
4034 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
4035 "Format of the MIME buttons.
4037 Valid specifiers include:
4039 %T MIME type, along with additional info
4040 %n The `name' parameter
4041 %d The description, if any
4042 %l The length of the encoded part
4043 %p The part identifier number
4044 %e Dots if the part isn't displayed
4046 General format specifiers can also be used. See Info node
4047 `(gnus)Formatting Variables'.")
4049 (defvar gnus-mime-button-line-format-alist
4050 '((?t gnus-tmp-type ?s)
4051 (?T gnus-tmp-type-long ?s)
4052 (?n gnus-tmp-name ?s)
4053 (?d gnus-tmp-description ?s)
4055 (?l gnus-tmp-length ?d)
4056 (?e gnus-tmp-dots ?s)))
4058 (defvar gnus-mime-button-commands
4059 '((gnus-article-press-button "\r" "Toggle Display")
4060 (gnus-mime-view-part "v" "View Interactively...")
4061 (gnus-mime-view-part-as-type "t" "View As Type...")
4062 (gnus-mime-view-part-as-charset "C" "View As charset...")
4063 (gnus-mime-save-part "o" "Save...")
4064 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4065 (gnus-mime-replace-part "r" "Replace part")
4066 (gnus-mime-delete-part "d" "Delete part")
4067 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4068 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4069 (gnus-mime-view-part-internally "E" "View Internally") ;; Why `E'?
4070 (gnus-mime-view-part-externally "e" "View Externally")
4071 (gnus-mime-print-part "p" "Print")
4072 (gnus-mime-pipe-part "|" "Pipe To Command...")
4073 (gnus-mime-action-on-part "." "Take action on the part...")))
4075 (defun gnus-article-mime-part-status ()
4076 (if gnus-article-mime-handle-alist-1
4077 (if (eq 1 (length gnus-article-mime-handle-alist-1))
4079 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
4082 (defvar gnus-mime-button-map
4083 (let ((map (make-sparse-keymap)))
4084 (define-key map gnus-mouse-2 'gnus-article-push-button)
4085 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4086 (dolist (c gnus-mime-button-commands)
4087 (define-key map (cadr c) (car c)))
4091 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4093 ,@(mapcar (lambda (c)
4094 (vector (caddr c) (car c) :enable t))
4095 gnus-mime-button-commands)))
4097 (defun gnus-mime-button-menu (event prefix)
4098 "Construct a context-sensitive menu of MIME commands."
4099 (interactive "e\nP")
4100 (save-window-excursion
4101 (let ((pos (event-start event)))
4102 (select-window (posn-window pos))
4103 (goto-char (posn-point pos))
4104 (gnus-article-check-buffer)
4105 (popup-menu gnus-mime-button-menu nil prefix))))
4107 (defun gnus-mime-view-all-parts (&optional handles)
4108 "View all the MIME parts."
4110 (with-current-buffer gnus-article-buffer
4111 (let ((handles (or handles gnus-article-mime-handles))
4112 (mail-parse-charset gnus-newsgroup-charset)
4113 (mail-parse-ignored-charsets
4114 (with-current-buffer gnus-summary-buffer
4115 gnus-newsgroup-ignored-charsets)))
4117 (mm-remove-parts handles)
4118 (goto-char (point-min))
4119 (or (search-forward "\n\n") (goto-char (point-max)))
4120 (let ((inhibit-read-only t))
4121 (delete-region (point) (point-max))
4122 (mm-display-parts handles))))))
4124 (defun gnus-article-jump-to-part (n)
4125 "Jump to MIME part N."
4127 (pop-to-buffer gnus-article-buffer)
4128 ;; FIXME: why is it necessary?
4130 (let ((parts (length gnus-article-mime-handle-alist)))
4133 (read-string ;; Emacs 21 doesn't have `read-number'.
4134 (format "Jump to part (2..%s): " parts)))))
4135 (unless (and (integerp n) (<= n parts) (>= n 1))
4138 (gnus-message 7 "Invalid part `%s', using %s instead."
4141 (gnus-message 9 "Jumping to part %s." n)
4142 (cond ((>= gnus-auto-select-part 1)
4143 (while (and (<= n parts)
4144 (not (gnus-article-goto-part n)))
4146 ((< gnus-auto-select-part 0)
4147 (while (and (>= n 1)
4148 (not (gnus-article-goto-part n)))
4151 (gnus-article-goto-part n)))))
4154 (defsubst gnus-article-edit-part (handles &optional current-id)
4155 "Edit an article in order to delete a mime part.
4156 This function is exclusively used by `gnus-mime-save-part-and-strip'
4157 and `gnus-mime-delete-part', and not provided at run-time normally."
4158 (gnus-article-edit-article
4160 (buffer-disable-undo)
4162 (let ((mail-parse-charset (or gnus-article-charset
4163 ',gnus-newsgroup-charset))
4164 (mail-parse-ignored-charsets
4165 (or gnus-article-ignored-charsets
4166 ',gnus-newsgroup-ignored-charsets))
4167 (mbl mml-buffer-list))
4168 (setq mml-buffer-list nil)
4169 (insert-buffer-substring gnus-original-article-buffer)
4170 (mime-to-mml ',handles)
4171 (setq gnus-article-mime-handles nil)
4172 (let ((mbl1 mml-buffer-list))
4173 (setq mml-buffer-list mbl)
4174 (set (make-local-variable 'mml-buffer-list) mbl1))
4175 (gnus-make-local-hook 'kill-buffer-hook)
4176 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4177 `(lambda (no-highlight)
4178 (let ((mail-parse-charset (or gnus-article-charset
4179 ',gnus-newsgroup-charset))
4180 (message-options message-options)
4181 (message-options-set-recipient)
4182 (mail-parse-ignored-charsets
4183 (or gnus-article-ignored-charsets
4184 ',gnus-newsgroup-ignored-charsets)))
4186 (mml-destroy-buffers)
4187 (remove-hook 'kill-buffer-hook
4188 'mml-destroy-buffers t)
4189 (kill-local-variable 'mml-buffer-list))
4190 (gnus-summary-edit-article-done
4191 ,(or (mail-header-references gnus-current-headers) "")
4192 ,(gnus-group-read-only-p)
4193 ,gnus-summary-buffer no-highlight))
4195 (gnus-article-edit-done)
4196 (gnus-summary-expand-window)
4197 (gnus-summary-show-article)
4198 (when (and current-id (integerp gnus-auto-select-part))
4199 (gnus-article-jump-to-part
4200 (+ current-id gnus-auto-select-part)))))
4202 (defun gnus-mime-replace-part (file)
4203 "Replace MIME part under point with an external body."
4204 ;; Useful if file has already been saved to disk
4208 (read-file-name "Replace MIME part with file: "
4209 (or mm-default-directory default-directory)
4211 (gnus-mime-save-part-and-strip file))
4213 (defun gnus-mime-save-part-and-strip (&optional file)
4214 "Save the MIME part under point then replace it with an external body.
4215 If FILE is given, use it for the external part."
4217 (gnus-article-check-buffer)
4218 (when (gnus-group-read-only-p)
4219 (error "The current group does not support deleting of parts"))
4220 (when (mm-complicated-handles gnus-article-mime-handles)
4222 The current article has a complicated MIME structure, giving up..."))
4223 (let* ((data (get-text-property (point) 'gnus-data))
4224 (id (get-text-property (point) 'gnus-part))
4226 (handles gnus-article-mime-handles))
4229 (and data (mm-save-part data "Delete MIME part and save to: "))))
4231 (with-current-buffer (mm-handle-buffer data)
4233 (insert "Content-Type: " (mm-handle-media-type data))
4234 (mml-insert-parameter-string (cdr (mm-handle-type data))
4237 (insert "Content-ID: " (message-make-message-id) "\n")
4238 (insert "Content-Transfer-Encoding: binary\n")
4241 (cdr (mm-make-handle nil
4242 `("message/external-body"
4243 (access-type . "LOCAL-FILE")
4245 ;; (set-buffer gnus-summary-buffer)
4246 (gnus-article-edit-part handles id))))
4248 ;; A function like `gnus-summary-save-parts' (`X m', `<MIME> <Extract all
4249 ;; parts...>') but with stripping would be nice.
4251 (defun gnus-mime-delete-part ()
4252 "Delete the MIME part under point.
4253 Replace it with some information about the removed part."
4255 (gnus-article-check-buffer)
4256 (when (gnus-group-read-only-p)
4257 (error "The current group does not support deleting of parts"))
4258 (when (mm-complicated-handles gnus-article-mime-handles)
4260 The current article has a complicated MIME structure, giving up..."))
4261 (when (or gnus-expert-user
4262 (gnus-yes-or-no-p "\
4263 Deleting parts may malfunction or destroy the article; continue? "))
4264 (let* ((data (get-text-property (point) 'gnus-data))
4265 (id (get-text-property (point) 'gnus-part))
4266 (handles gnus-article-mime-handles)
4270 (mail-decode-encoded-word-string (or (mm-handle-description data)
4273 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4275 (type (mm-handle-media-type data)))
4277 (error "No MIME part under point"))
4278 (with-current-buffer (mm-handle-buffer data)
4279 (let ((bsize (format "%s" (buffer-size))))
4284 "| The following attachment has been deleted:\n"
4286 "| Type: " type "\n"
4287 "| Filename: " filename "\n"
4288 "| Size (encoded): " bsize " Byte\n"
4289 "| Description: " description "\n"
4292 (cdr (mm-make-handle
4293 nil `("text/plain") nil nil
4295 (format "Deleted attachment (%s bytes)" bsize))))))
4296 ;; (set-buffer gnus-summary-buffer)
4297 (gnus-article-edit-part handles id))))
4299 (defun gnus-mime-save-part ()
4300 "Save the MIME part under point."
4302 (gnus-article-check-buffer)
4303 (let ((data (get-text-property (point) 'gnus-data)))
4305 (mm-save-part data))))
4307 (defun gnus-mime-pipe-part ()
4308 "Pipe the MIME part under point to a process."
4310 (gnus-article-check-buffer)
4311 (let ((data (get-text-property (point) 'gnus-data)))
4313 (mm-pipe-part data))))
4315 (defun gnus-mime-view-part ()
4316 "Interactively choose a viewing method for the MIME part under point."
4318 (gnus-article-check-buffer)
4319 (let ((data (get-text-property (point) 'gnus-data)))
4321 (setq gnus-article-mime-handles
4323 gnus-article-mime-handles (setq data (copy-sequence data))))
4324 (mm-interactively-view-part data))))
4326 (defun gnus-mime-view-part-as-type-internal ()
4327 (gnus-article-check-buffer)
4328 (let* ((handle (get-text-property (point) 'gnus-data))
4330 ;; Content-Type: foo/bar; name=...
4331 (mail-content-type-get (mm-handle-type handle) 'name)
4332 ;; Content-Disposition: attachment; filename=...
4333 (cdr (assq 'filename (cdr (mm-handle-disposition handle))))))
4334 (def-type (and name (mm-default-file-encoding name))))
4335 (and def-type (cons def-type 0))))
4337 (defun gnus-mime-view-part-as-type (&optional mime-type)
4338 "Choose a MIME media type, and view the part as such."
4342 (let ((default (gnus-mime-view-part-as-type-internal)))
4344 (format "View as MIME type (default %s): "
4346 (mapcar #'list (mailcap-mime-types))
4349 (gnus-article-check-buffer)
4350 (let ((handle (get-text-property (point) 'gnus-data)))
4353 (mm-make-handle (mm-handle-buffer handle)
4354 (cons mime-type (cdr (mm-handle-type handle)))
4355 (mm-handle-encoding handle)
4356 (mm-handle-undisplayer handle)
4357 (mm-handle-disposition handle)
4358 (mm-handle-description handle)
4360 (mm-handle-id handle)))
4361 (setq gnus-article-mime-handles
4362 (mm-merge-handles gnus-article-mime-handles handle))
4363 (gnus-mm-display-part handle))))
4365 (defun gnus-mime-copy-part (&optional handle arg)
4366 "Put the MIME part under point into a new buffer.
4367 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
4369 (interactive (list nil current-prefix-arg))
4370 (gnus-article-check-buffer)
4372 (setq handle (get-text-property (point) 'gnus-data)))
4374 (let ((filename (or (mail-content-type-get (mm-handle-disposition handle)
4376 (mail-content-type-get (mm-handle-disposition handle)
4378 contents dont-decode charset coding-system)
4379 (mm-with-unibyte-buffer
4380 (mm-insert-part handle)
4381 (setq contents (or (condition-case nil
4382 (mm-decompress-buffer filename nil 'sig)
4384 (setq dont-decode t)
4387 (setq filename (cond (filename (file-name-nondirectory filename))
4388 (dont-decode "*raw data*")
4393 (unless (setq charset (mail-content-type-get
4394 (mm-handle-type handle) 'charset))
4395 (unless (setq coding-system (mm-with-unibyte-buffer
4397 (mm-find-buffer-file-coding-system)))
4398 (setq charset gnus-newsgroup-charset))))
4400 (setq charset (or (cdr (assq arg
4401 gnus-summary-show-article-charset-alist))
4402 (mm-read-coding-system "Charset: ")))))
4403 (switch-to-buffer (generate-new-buffer filename))
4404 (if (or coding-system
4406 (setq coding-system (mm-charset-to-coding-system charset))
4407 (not (eq charset 'ascii))))
4409 (mm-enable-multibyte)
4410 (insert (mm-decode-coding-string contents coding-system))
4411 (setq buffer-file-coding-system
4412 (if (boundp 'last-coding-system-used)
4413 (symbol-value 'last-coding-system-used)
4415 (mm-disable-multibyte)
4417 (setq buffer-file-coding-system mm-binary-coding-system))
4418 ;; We do it this way to make `normal-mode' set the appropriate mode.
4421 (setq buffer-file-name (expand-file-name filename))
4423 (setq buffer-file-name nil))
4424 (goto-char (point-min)))))
4426 (defun gnus-mime-print-part (&optional handle filename)
4427 "Print the MIME part under point."
4428 (interactive (list nil (ps-print-preprint current-prefix-arg)))
4429 (gnus-article-check-buffer)
4430 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4431 (contents (and handle (mm-get-part handle)))
4432 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
4433 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
4438 (mm-save-part-to-file handle file)
4439 (call-process shell-file-name nil
4440 (generate-new-buffer " *mm*")
4442 shell-command-switch
4444 printer file (mm-handle-type handle))))
4448 (gnus-print-buffer))
4449 (ps-despool filename)))))
4451 (defun gnus-mime-inline-part (&optional handle arg)
4452 "Insert the MIME part under point into the current buffer.
4453 Compressed files like .gz and .bz2 are decompressed."
4454 (interactive (list nil current-prefix-arg))
4455 (gnus-article-check-buffer)
4457 (setq handle (get-text-property (point) 'gnus-data)))
4460 (inhibit-read-only t)
4461 contents charset coding-system)
4462 (if (and (not arg) (mm-handle-undisplayer handle))
4463 (mm-remove-part handle)
4464 (mm-with-unibyte-buffer
4465 (mm-insert-part handle)
4467 (or (mm-decompress-buffer
4468 (or (mail-content-type-get (mm-handle-disposition handle)
4470 (mail-content-type-get (mm-handle-disposition handle)
4476 (unless (setq charset (mail-content-type-get
4477 (mm-handle-type handle) 'charset))
4478 (unless (setq coding-system
4479 (mm-with-unibyte-buffer
4481 (mm-find-buffer-file-coding-system)))
4482 (setq charset gnus-newsgroup-charset))))
4484 (if (mm-handle-undisplayer handle)
4485 (mm-remove-part handle))
4488 gnus-summary-show-article-charset-alist))
4489 (mm-read-coding-system "Charset: "))))
4491 (if (mm-handle-undisplayer handle)
4492 (mm-remove-part handle))))
4496 (if (or coding-system
4499 (mm-charset-to-coding-system charset))
4500 (not (eq coding-system 'ascii))))
4501 (mm-decode-coding-string contents coding-system)
4502 (mm-string-to-multibyte contents)))
4505 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4506 "Insert the MIME part under point into the current buffer using the
4508 (interactive (list nil current-prefix-arg))
4509 (gnus-article-check-buffer)
4510 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4513 (inhibit-read-only t))
4515 (if (mm-handle-undisplayer handle)
4516 (mm-remove-part handle))
4517 (let ((gnus-newsgroup-charset
4519 gnus-summary-show-article-charset-alist))
4520 (mm-read-coding-system "Charset: ")))
4521 (gnus-newsgroup-ignored-charsets 'gnus-all))
4522 (gnus-article-press-button)))))
4524 (defun gnus-mime-view-part-externally (&optional handle)
4525 "View the MIME part under point with an external viewer."
4527 (gnus-article-check-buffer)
4528 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4529 (mm-user-display-methods nil)
4530 (mm-inlined-types nil)
4531 (mail-parse-charset gnus-newsgroup-charset)
4532 (mail-parse-ignored-charsets
4533 (with-current-buffer gnus-summary-buffer
4534 gnus-newsgroup-ignored-charsets)))
4536 (if (mm-handle-undisplayer handle)
4537 (mm-remove-part handle)
4538 (mm-display-part handle)))))
4540 (defun gnus-mime-view-part-internally (&optional handle)
4541 "View the MIME part under point with an internal viewer.
4542 If no internal viewer is available, use an external viewer."
4544 (gnus-article-check-buffer)
4545 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4546 (mm-inlined-types '(".*"))
4547 (mm-inline-large-images t)
4548 (mail-parse-charset gnus-newsgroup-charset)
4549 (mail-parse-ignored-charsets
4550 (with-current-buffer gnus-summary-buffer
4551 gnus-newsgroup-ignored-charsets))
4552 (inhibit-read-only t))
4554 (if (mm-handle-undisplayer handle)
4555 (mm-remove-part handle)
4556 (mm-display-part handle)))))
4558 (defun gnus-mime-action-on-part (&optional action)
4559 "Do something with the MIME attachment at \(point\)."
4561 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
4562 (gnus-article-check-buffer)
4563 (let ((action-pair (assoc action gnus-mime-action-alist)))
4565 (funcall (cdr action-pair)))))
4567 (defun gnus-article-part-wrapper (n function &optional no-handle interactive)
4568 "Call FUNCTION on MIME part N.
4569 Unless NO-HANDLE, call FUNCTION with N-th MIME handle as it's only argument.
4570 If INTERACTIVE, call FUNCTION interactivly."
4572 ;; Check whether the article is displayed.
4573 (unless (and (gnus-buffer-live-p gnus-article-buffer)
4574 (setq window (get-buffer-window gnus-article-buffer t))
4575 (frame-visible-p (setq frame (window-frame window))))
4576 (error "No article is displayed"))
4577 (with-current-buffer gnus-article-buffer
4578 ;; Check whether the article displays the right contents.
4579 (unless (with-current-buffer gnus-summary-buffer
4580 (eq gnus-current-article (gnus-summary-article-number)))
4581 (error "You should select the right article first"))
4582 ;; Check whether the specified part exists.
4583 (when (> n (length gnus-article-mime-handle-alist))
4584 (error "No such part")))
4587 ;; To select the window is needed so that the cursor
4588 ;; might be visible on the MIME button.
4589 (select-window (prog1
4591 (setq window (selected-window))
4592 ;; Article may be displayed in the other frame.
4593 (gnus-select-frame-set-input-focus
4596 (setq frame (selected-frame))))))
4597 (when (gnus-article-goto-part n)
4598 ;; We point the cursor and the arrow at the MIME button
4599 ;; when the `function' prompt the user for something.
4600 (let ((cursor-in-non-selected-windows t)
4601 (overlay-arrow-string "=>")
4602 (overlay-arrow-position (point-marker)))
4605 ((and no-handle interactive)
4606 (call-interactively function))
4612 (cdr (assq n gnus-article-mime-handle-alist))))
4615 (cdr (assq n gnus-article-mime-handle-alist)))))
4616 (set-marker overlay-arrow-position nil)
4617 (unless gnus-auto-select-part
4618 (gnus-select-frame-set-input-focus frame)
4619 (select-window window))))
4621 (if gnus-inhibit-mime-unbuttonizing
4622 ;; This is the default though the program shouldn't reach here.
4623 (error "No such part")
4624 ;; The part which doesn't have the MIME button is selected.
4625 ;; So, we display all the buttons and redo it.
4626 (let ((gnus-inhibit-mime-unbuttonizing t))
4627 (gnus-summary-show-article)
4628 (gnus-article-part-wrapper n function no-handle))))))
4630 (defun gnus-article-pipe-part (n)
4631 "Pipe MIME part N, which is the numerical prefix."
4633 (gnus-article-part-wrapper n 'mm-pipe-part))
4635 (defun gnus-article-save-part (n)
4636 "Save MIME part N, which is the numerical prefix."
4638 (gnus-article-part-wrapper n 'mm-save-part))
4640 (defun gnus-article-interactively-view-part (n)
4641 "View MIME part N interactively, which is the numerical prefix."
4643 (gnus-article-part-wrapper n 'mm-interactively-view-part))
4645 (defun gnus-article-copy-part (n)
4646 "Copy MIME part N, which is the numerical prefix."
4648 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
4650 (defun gnus-article-view-part-as-charset (n)
4651 "View MIME part N using a specified charset.
4652 N is the numerical prefix."
4654 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
4656 (defun gnus-article-view-part-externally (n)
4657 "View MIME part N externally, which is the numerical prefix."
4659 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
4661 (defun gnus-article-inline-part (n)
4662 "Inline MIME part N, which is the numerical prefix."
4664 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
4666 (defun gnus-article-save-part-and-strip (n)
4667 "Save MIME part N and replace it with an external body.
4668 N is the numerical prefix."
4670 (gnus-article-part-wrapper n 'gnus-mime-save-part-and-strip t))
4672 (defun gnus-article-replace-part (n)
4673 "Replace MIME part N with an external body.
4674 N is the numerical prefix."
4676 (gnus-article-part-wrapper n 'gnus-mime-replace-part t t))
4678 (defun gnus-article-delete-part (n)
4679 "Delete MIME part N and add some information about the removed part.
4680 N is the numerical prefix."
4682 (gnus-article-part-wrapper n 'gnus-mime-delete-part t))
4684 (defun gnus-article-mime-match-handle-first (condition)
4687 (dolist (ihandle gnus-article-mime-handle-alist)
4689 ((functionp condition)
4690 (funcall condition (cdr ihandle)))
4691 ((eq condition 'undisplayed)
4692 (not (or (mm-handle-undisplayer (cdr ihandle))
4693 (equal (mm-handle-media-type (cdr ihandle))
4694 "multipart/alternative"))))
4695 ((eq condition 'undisplayed-alternative)
4696 (not (mm-handle-undisplayer (cdr ihandle))))
4698 (gnus-article-goto-part (car ihandle))
4699 (or (not n) (< (car ihandle) n)))
4700 (setq n (car ihandle))))
4704 (defun gnus-article-view-part (&optional n)
4705 "View MIME part N, which is the numerical prefix."
4707 (with-current-buffer gnus-article-buffer
4708 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4709 gnus-article-mime-match-handle-function)))
4710 (when (> n (length gnus-article-mime-handle-alist))
4711 (error "No such part"))
4712 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4713 (when (gnus-article-goto-part n)
4714 (if (equal (car handle) "multipart/alternative")
4715 (gnus-article-press-button)
4716 (when (eq (gnus-mm-display-part handle) 'internal)
4717 (gnus-set-window-start)))))))
4719 (defsubst gnus-article-mime-total-parts ()
4720 (if (bufferp (car gnus-article-mime-handles))
4722 (1- (length gnus-article-mime-handles))))
4724 (defun gnus-mm-display-part (handle)
4725 "Display HANDLE and fix MIME button."
4726 (let ((id (get-text-property (point) 'gnus-part))
4728 (inhibit-read-only t))
4731 (let ((window (selected-window))
4732 (mail-parse-charset gnus-newsgroup-charset)
4733 (mail-parse-ignored-charsets
4734 (if (gnus-buffer-live-p gnus-summary-buffer)
4735 (with-current-buffer gnus-summary-buffer
4736 gnus-newsgroup-ignored-charsets)
4740 (let ((win (gnus-get-buffer-window (current-buffer) t))
4743 (select-window win))
4746 (if (mm-handle-displayed-p handle)
4747 ;; This will remove the part.
4748 (mm-display-part handle)
4750 (narrow-to-region (point)
4751 (if (eobp) (point) (1+ (point))))
4752 (mm-display-part handle)
4753 ;; We narrow to the part itself and
4754 ;; then call the treatment functions.
4755 (goto-char (point-min))
4757 (narrow-to-region (point) (point-max))
4760 (gnus-article-mime-total-parts)
4761 (mm-handle-media-type handle)))))
4762 (if (window-live-p window)
4763 (select-window window)))))
4766 (gnus-insert-mime-button
4767 handle id (list (mm-handle-displayed-p handle)))
4768 (goto-char point))))
4770 (defun gnus-article-goto-part (n)
4771 "Go to MIME part N."
4772 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
4774 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4775 (let ((gnus-tmp-name
4776 (or (mail-content-type-get (mm-handle-type handle) 'name)
4777 (mail-content-type-get (mm-handle-disposition handle) 'filename)
4778 (mail-content-type-get (mm-handle-type handle) 'url)
4780 (gnus-tmp-type (mm-handle-media-type handle))
4781 (gnus-tmp-description
4782 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4785 (if (if displayed (car displayed)
4786 (mm-handle-displayed-p handle))
4788 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4790 gnus-tmp-type-long b e)
4791 (when (string-match ".*/" gnus-tmp-name)
4792 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4793 (setq gnus-tmp-type-long (concat gnus-tmp-type
4794 (and (not (equal gnus-tmp-name ""))
4795 (concat "; " gnus-tmp-name))))
4796 (unless (equal gnus-tmp-description "")
4797 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4802 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4803 `(keymap ,gnus-mime-button-map
4804 gnus-callback gnus-mm-display-part
4805 gnus-part ,gnus-tmp-id
4806 article-type annotation
4809 ;; Exclude a newline.
4812 (widget-convert-button
4815 :action 'gnus-widget-press-button
4816 :button-keymap gnus-mime-button-map
4818 (lambda (widget/window &optional overlay pos)
4819 ;; Needed to properly clear the message due to a bug in
4820 ;; wid-edit (XEmacs only).
4821 (if (boundp 'help-echo-owns-message)
4822 (setq help-echo-owns-message t))
4824 "%S: %s the MIME part; %S: more options"
4825 (aref gnus-mouse-2 0)
4826 ;; XEmacs will get a single widget arg; Emacs 21 will get
4827 ;; window, overlay, position.
4828 (if (mm-handle-displayed-p
4830 (with-current-buffer (gnus-overlay-buffer overlay)
4831 (widget-get (widget-at (gnus-overlay-start overlay))
4833 (widget-get widget/window :mime-handle)))
4835 (aref gnus-down-mouse-3 0))))))
4837 (defun gnus-widget-press-button (elems el)
4838 (goto-char (widget-get elems :from))
4839 (gnus-article-press-button))
4841 (defvar gnus-displaying-mime nil)
4843 (defun gnus-display-mime (&optional ihandles)
4844 "Display the MIME parts."
4846 (save-selected-window
4847 (let ((window (get-buffer-window gnus-article-buffer))
4850 (select-window window)
4851 ;; We have to do this since selecting the window
4852 ;; may change the point. So we set the window point.
4853 (set-window-point window point)))
4854 (let ((handles ihandles)
4855 (inhibit-read-only t)
4858 ((setq handles (mm-dissect-buffer nil gnus-article-loose-mime))
4859 (when gnus-article-emulate-mime
4860 (mm-uu-dissect-text-parts handles)))
4861 (gnus-article-emulate-mime
4862 (setq handles (mm-uu-dissect))))
4863 (when (and (not ihandles)
4864 (not gnus-displaying-mime))
4865 ;; Top-level call; we clean up.
4866 (when gnus-article-mime-handles
4867 (mm-destroy-parts gnus-article-mime-handles)
4868 (setq gnus-article-mime-handle-alist nil));; A trick.
4869 (setq gnus-article-mime-handles handles)
4870 ;; We allow users to glean info from the handles.
4871 (when gnus-article-mime-part-function
4872 (gnus-mime-part-function handles)))
4874 (or (not (stringp (car handles)))
4877 (when (and (not ihandles)
4878 (not gnus-displaying-mime))
4879 ;; Clean up for mime parts.
4881 (delete-region (point) (point-max)))
4882 (let ((gnus-displaying-mime t))
4883 (gnus-mime-display-part handles)))
4886 (narrow-to-region (point) (point-max))
4887 (gnus-treat-article nil 1 1)
4890 ;; Highlight the headers.
4894 (narrow-to-region (point-min) (point))
4895 (gnus-article-save-original-date
4896 (gnus-treat-article 'head)))))))))
4898 (defcustom gnus-mime-display-multipart-as-mixed nil
4899 "Display \"multipart\" parts as \"multipart/mixed\".
4901 If t, it overrides nil values of
4902 `gnus-mime-display-multipart-alternative-as-mixed' and
4903 `gnus-mime-display-multipart-related-as-mixed'."
4904 :group 'gnus-article-mime
4907 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
4908 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
4910 :group 'gnus-article-mime
4913 (defcustom gnus-mime-display-multipart-related-as-mixed nil
4914 "Display \"multipart/related\" parts as \"multipart/mixed\".
4916 If displaying \"text/html\" is discouraged \(see
4917 `mm-discouraged-alternatives'\) images or other material inside a
4918 \"multipart/related\" part might be overlooked when this variable is nil."
4920 :group 'gnus-article-mime
4923 (defun gnus-mime-display-part (handle)
4925 ;; Maybe a broken MIME message.
4928 ((not (stringp (car handle)))
4929 (gnus-mime-display-single handle))
4930 ;; User-defined multipart
4931 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
4932 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
4934 ;; multipart/alternative
4935 ((and (equal (car handle) "multipart/alternative")
4936 (not (or gnus-mime-display-multipart-as-mixed
4937 gnus-mime-display-multipart-alternative-as-mixed)))
4938 (let ((id (1+ (length gnus-article-mime-handle-alist))))
4939 (push (cons id handle) gnus-article-mime-handle-alist)
4940 (gnus-mime-display-alternative (cdr handle) nil nil id)))
4941 ;; multipart/related
4942 ((and (equal (car handle) "multipart/related")
4943 (not (or gnus-mime-display-multipart-as-mixed
4944 gnus-mime-display-multipart-related-as-mixed)))
4945 ;;;!!!We should find the start part, but we just default
4946 ;;;!!!to the first part.
4947 ;;(gnus-mime-display-part (cadr handle))
4948 ;;;!!! Most multipart/related is an HTML message plus images.
4949 ;;;!!! Unfortunately we are unable to let W3 display those
4950 ;;;!!! included images, so we just display it as a mixed multipart.
4951 ;;(gnus-mime-display-mixed (cdr handle))
4952 ;;;!!! No, w3 can display everything just fine.
4953 (gnus-mime-display-part (cadr handle)))
4954 ((equal (car handle) "multipart/signed")
4955 (gnus-add-wash-type 'signed)
4956 (gnus-mime-display-security handle))
4957 ((equal (car handle) "multipart/encrypted")
4958 (gnus-add-wash-type 'encrypted)
4959 (gnus-mime-display-security handle))
4960 ;; Other multiparts are handled like multipart/mixed.
4962 (gnus-mime-display-mixed (cdr handle)))))
4964 (defun gnus-mime-part-function (handles)
4965 (if (stringp (car handles))
4966 (mapcar 'gnus-mime-part-function (cdr handles))
4967 (funcall gnus-article-mime-part-function handles)))
4969 (defun gnus-mime-display-mixed (handles)
4970 (mapcar 'gnus-mime-display-part handles))
4972 (defun gnus-mime-display-single (handle)
4973 (let ((type (mm-handle-media-type handle))
4974 (ignored gnus-ignored-mime-types)
4981 (when (string-match (pop ignored) type)
4982 (throw 'ignored nil)))
4983 (if (and (setq not-attachment
4984 (and (not (mm-inline-override-p handle))
4985 (or (not (mm-handle-disposition handle))
4986 (equal (car (mm-handle-disposition handle))
4988 (mm-attachment-override-p handle))))
4989 (mm-automatic-display-p handle)
4991 (mm-inlinable-p handle)
4992 (mm-inlined-p handle))
4993 (mm-automatic-external-display-p type)))
4995 (when (equal (mm-handle-media-supertype handle) "text")
4997 (let ((id (1+ (length gnus-article-mime-handle-alist)))
4999 (push (cons id handle) gnus-article-mime-handle-alist)
5000 (when (or (not display)
5001 (not (gnus-unbuttonized-mime-type-p type)))
5002 (gnus-insert-mime-button
5003 handle id (list (or display (and not-attachment text))))
5004 (gnus-article-insert-newline)
5005 ;; Remember modify the number of forward lines.
5013 (let ((mail-parse-charset gnus-newsgroup-charset)
5014 (mail-parse-ignored-charsets
5015 (save-excursion (condition-case ()
5016 (set-buffer gnus-summary-buffer)
5018 gnus-newsgroup-ignored-charsets)))
5019 (mm-display-part handle t))
5020 (goto-char (point-max)))
5021 ((and text not-attachment)
5025 (gnus-article-insert-newline)
5028 (let ((charset (mail-content-type-get (mm-handle-type handle)
5030 (cond ((not charset)
5031 (mm-string-as-multibyte (mm-get-part handle)))
5032 ((eq charset 'gnus-decoded)
5033 (with-current-buffer (mm-handle-buffer handle)
5036 (mm-decode-string (mm-get-part handle) charset)))))
5037 (goto-char (point-max))))
5041 (narrow-to-region beg (point))
5044 (gnus-article-mime-total-parts)
5045 (mm-handle-media-type handle)))))))))
5047 (defun gnus-unbuttonized-mime-type-p (type)
5048 "Say whether TYPE is to be unbuttonized."
5049 (unless gnus-inhibit-mime-unbuttonizing
5051 (let ((types gnus-unbuttonized-mime-types))
5053 (when (string-match (pop types) type)
5054 (throw 'found t)))))
5056 (let ((types gnus-buttonized-mime-types))
5058 (when (string-match (pop types) type)
5059 (throw 'found t)))))))))
5061 (defun gnus-article-insert-newline ()
5062 "Insert a newline, but mark it as undeletable."
5063 (gnus-put-text-property
5064 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
5066 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
5067 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
5070 handle (inhibit-read-only t) from props begend not-pref)
5071 (save-window-excursion
5074 (narrow-to-region (car ibegend)
5077 (goto-char (car ibegend))
5080 (delete-region (point-min) (point-max))
5081 (mm-remove-parts handles))
5082 (setq begend (list (point-marker)))
5084 (unless (setq not-pref (cadr (member preferred ihandles)))
5085 (setq not-pref (car ihandles)))
5088 (not (gnus-unbuttonized-mime-type-p
5089 "multipart/alternative")))
5090 (gnus-add-text-properties
5093 (insert (format "%d. " id))
5097 (unless ,(not ibegend)
5098 (setq gnus-article-mime-handle-alist
5099 ',gnus-article-mime-handle-alist))
5100 (gnus-mime-display-alternative
5101 ',ihandles ',not-pref ',begend ,id))
5102 keymap ,gnus-mime-button-map
5103 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5104 face ,gnus-article-button-face
5107 (widget-convert-button 'link from (point)
5108 :action 'gnus-widget-press-button
5109 :button-keymap gnus-widget-button-keymap)
5111 (while (setq handle (pop handles))
5112 (gnus-add-text-properties
5115 (insert (format "(%c) %-18s"
5116 (if (equal handle preferred) ?* ? )
5117 (mm-handle-media-type handle)))
5121 (unless ,(not ibegend)
5122 (setq gnus-article-mime-handle-alist
5123 ',gnus-article-mime-handle-alist))
5124 (gnus-mime-display-alternative
5125 ',ihandles ',handle ',begend ,id))
5126 keymap ,gnus-mime-button-map
5127 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5128 face ,gnus-article-button-face
5131 (widget-convert-button 'link from (point)
5132 :action 'gnus-widget-press-button
5133 :button-keymap gnus-widget-button-keymap)
5137 (if (stringp (car preferred))
5138 (gnus-display-mime preferred)
5139 (let ((mail-parse-charset gnus-newsgroup-charset)
5140 (mail-parse-ignored-charsets
5141 (with-current-buffer gnus-summary-buffer
5142 gnus-newsgroup-ignored-charsets)))
5143 (mm-display-part preferred)
5147 (narrow-to-region (car begend) (point-max))
5149 nil (length gnus-article-mime-handle-alist)
5150 (gnus-article-mime-total-parts)
5151 (mm-handle-media-type handle))))))
5152 (goto-char (point-max))
5153 (setcdr begend (point-marker)))))
5155 (goto-char point))))
5157 (defconst gnus-article-wash-status-strings
5158 (let ((alist '((cite "c" "Possible hidden citation text"
5159 " " "All citation text visible")
5160 (headers "h" "Hidden headers"
5161 " " "All headers visible.")
5162 (pgp "p" "Encrypted or signed message status hidden"
5163 " " "No hidden encryption nor digital signature status")
5164 (signature "s" "Signature has been hidden"
5165 " " "Signature is visible")
5166 (overstrike "o" "Overstrike (^H) characters applied"
5167 " " "No overstrike characters applied")
5168 (emphasis "e" "/*_Emphasis_*/ characters applied"
5169 " " "No /*_emphasis_*/ characters applied")))
5171 (dolist (entry alist result)
5172 (let ((key (nth 0 entry))
5173 (on (copy-sequence (nth 1 entry)))
5174 (on-help (nth 2 entry))
5175 (off (copy-sequence (nth 3 entry)))
5176 (off-help (nth 4 entry)))
5177 (put-text-property 0 1 'help-echo on-help on)
5178 (put-text-property 0 1 'help-echo off-help off)
5179 (push (list key on off) result))))
5180 "Alist of strings describing wash status in the mode line.
5181 Each entry has the form (KEY ON OF), where the KEY is a symbol
5182 representing the particular washing function, ON is the string to use
5183 in the article mode line when the washing function is active, and OFF
5184 is the string to use when it is inactive.")
5186 (defun gnus-article-wash-status-entry (key value)
5187 (let ((entry (assoc key gnus-article-wash-status-strings)))
5188 (if value (nth 1 entry) (nth 2 entry))))
5190 (defun gnus-article-wash-status ()
5191 "Return a string which display status of article washing."
5192 (with-current-buffer gnus-article-buffer
5193 (let ((cite (memq 'cite gnus-article-wash-types))
5194 (headers (memq 'headers gnus-article-wash-types))
5195 (boring (memq 'boring-headers gnus-article-wash-types))
5196 (pgp (memq 'pgp gnus-article-wash-types))
5197 (pem (memq 'pem gnus-article-wash-types))
5198 (signed (memq 'signed gnus-article-wash-types))
5199 (encrypted (memq 'encrypted gnus-article-wash-types))
5200 (signature (memq 'signature gnus-article-wash-types))
5201 (overstrike (memq 'overstrike gnus-article-wash-types))
5202 (emphasis (memq 'emphasis gnus-article-wash-types)))
5204 (gnus-article-wash-status-entry 'cite cite)
5205 (gnus-article-wash-status-entry 'headers (or headers boring))
5206 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
5207 (gnus-article-wash-status-entry 'signature signature)
5208 (gnus-article-wash-status-entry 'overstrike overstrike)
5209 (gnus-article-wash-status-entry 'emphasis emphasis)))))
5211 (defun gnus-add-wash-type (type)
5212 "Add a washing of TYPE to the current status."
5213 (add-to-list 'gnus-article-wash-types type))
5215 (defun gnus-delete-wash-type (type)
5216 "Add a washing of TYPE to the current status."
5217 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
5219 (defun gnus-add-image (category image)
5220 "Add IMAGE of CATEGORY to the list of displayed images."
5221 (let ((entry (assq category gnus-article-image-alist)))
5223 (setq entry (list category))
5224 (push entry gnus-article-image-alist))
5225 (nconc entry (list image))))
5227 (defun gnus-delete-images (category)
5228 "Delete all images in CATEGORY."
5229 (let ((entry (assq category gnus-article-image-alist)))
5230 (dolist (image (cdr entry))
5231 (gnus-remove-image image category))
5232 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
5233 (gnus-delete-wash-type category)))
5235 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
5237 (defun gnus-article-maybe-hide-headers ()
5238 "Hide unwanted headers if `gnus-have-all-headers' is nil.
5239 Provided for backwards compatibility."
5240 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
5241 (not (with-current-buffer gnus-summary-buffer
5242 gnus-have-all-headers)))
5243 (not gnus-inhibit-hiding))
5244 (gnus-article-hide-headers)))
5248 (defun gnus-output-to-file (file-name)
5249 "Append the current article to a file named FILE-NAME."
5250 (let ((artbuf (current-buffer)))
5252 (insert-buffer-substring artbuf)
5253 ;; Append newline at end of the buffer as separator, and then
5255 (goto-char (point-max))
5257 (let ((file-name-coding-system nnmail-pathname-coding-system))
5258 (mm-append-to-file (point-min) (point-max) file-name))
5261 (defun gnus-narrow-to-page (&optional arg)
5262 "Narrow the article buffer to a page.
5263 If given a numerical ARG, move forward ARG pages."
5265 (setq arg (if arg (prefix-numeric-value arg) 0))
5267 (set-buffer gnus-article-buffer)
5268 (goto-char (point-min))
5270 ;; Remove any old next/prev buttons.
5271 (when (gnus-visual-p 'page-marker)
5272 (let ((inhibit-read-only t))
5273 (gnus-remove-text-with-property 'gnus-prev)
5274 (gnus-remove-text-with-property 'gnus-next)))
5277 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
5279 (re-search-forward page-delimiter nil 'move arg)))
5280 (goto-char (match-end 0))
5282 (goto-char (point-min))
5283 (setq gnus-page-broken
5284 (and (re-search-forward page-delimiter nil t) t))))
5285 (when gnus-page-broken
5288 (if (re-search-forward page-delimiter nil 'move)
5291 (when (and (gnus-visual-p 'page-marker)
5292 (> (point-min) (save-restriction (widen) (point-min))))
5294 (goto-char (point-min))
5295 (gnus-insert-prev-page-button)))
5296 (when (and (gnus-visual-p 'page-marker)
5297 (< (point-max) (save-restriction (widen) (point-max))))
5299 (goto-char (point-max))
5300 (gnus-insert-next-page-button))))))
5302 ;; Article mode commands
5304 (defun gnus-article-goto-next-page ()
5305 "Show the next page of the article."
5307 (when (gnus-article-next-page)
5308 (goto-char (point-min))
5309 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
5312 (defun gnus-article-goto-prev-page ()
5313 "Show the previous page of the article."
5316 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
5317 (gnus-article-prev-page nil)))
5319 ;; This is cleaner but currently breaks `gnus-pick-mode':
5321 ;; (defun gnus-article-goto-next-page ()
5322 ;; "Show the next page of the article."
5324 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5325 ;; (gnus-summary-next-page)))
5327 ;; (defun gnus-article-goto-prev-page ()
5328 ;; "Show the next page of the article."
5330 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5331 ;; (gnus-summary-prev-page)))
5333 (defun gnus-article-next-page (&optional lines)
5334 "Show the next page of the current article.
5335 If end of article, return non-nil. Otherwise return nil.
5336 Argument LINES specifies lines to be scrolled up."
5338 (move-to-window-line -1)
5341 (and (pos-visible-in-window-p) ;Not continuation line.
5342 (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
5343 ;; Nothing in this page.
5344 (if (or (not gnus-page-broken)
5349 (eobp)))) ;Real end-of-buffer?
5351 (when gnus-article-over-scroll
5352 (gnus-article-next-page-1 lines))
5354 (gnus-narrow-to-page 1) ;Go to next page.
5356 ;; More in this page.
5357 (gnus-article-next-page-1 lines)
5360 (defmacro gnus-article-beginning-of-window ()
5361 "Move point to the beginning of the window.
5362 In Emacs, the point is placed at the line number which `scroll-margin'
5364 (if (featurep 'xemacs)
5365 '(move-to-window-line 0)
5366 '(move-to-window-line
5367 (min (max 0 scroll-margin)
5368 (max 1 (- (window-height)
5369 (if mode-line-format 1 0)
5370 (if header-line-format 1 0)))))))
5372 (defun gnus-article-next-page-1 (lines)
5373 (when (and (not (featurep 'xemacs))
5376 (numberp (symbol-value 'scroll-margin))
5377 (> (symbol-value 'scroll-margin) 0))
5378 ;; Protect against the bug that Emacs 21.x hangs up when scrolling up for
5379 ;; too many number of lines if `scroll-margin' is set as two or greater.
5380 (setq lines (min lines
5381 (max 0 (- (count-lines (window-start) (point-max))
5382 (symbol-value 'scroll-margin))))))
5384 (let ((scroll-in-place nil))
5387 ;; Long lines may cause an end-of-buffer error.
5388 (goto-char (point-max))))
5389 (gnus-article-beginning-of-window))
5391 (defun gnus-article-prev-page (&optional lines)
5392 "Show previous page of current article.
5393 Argument LINES specifies lines to be scrolled down."
5395 (move-to-window-line 0)
5396 (if (and gnus-page-broken
5398 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
5400 (gnus-narrow-to-page -1) ;Go to previous page.
5401 (goto-char (point-max))
5405 (let ((scroll-in-place nil))
5406 (scroll-down lines))
5407 (beginning-of-buffer
5408 (goto-char (point-min))))
5409 (gnus-article-beginning-of-window))))
5411 (defun gnus-article-only-boring-p ()
5412 "Decide whether there is only boring text remaining in the article.
5413 Something \"interesting\" is a word of at least two letters that does
5414 not have a face in `gnus-article-boring-faces'."
5415 (when (and gnus-article-skip-boring
5416 (boundp 'gnus-article-boring-faces)
5417 (symbol-value 'gnus-article-boring-faces))
5420 (while (re-search-forward "\\b\\w\\w" nil t)
5422 (when (not (gnus-intersection
5423 (gnus-faces-at (point))
5424 (symbol-value 'gnus-article-boring-faces)))
5425 (throw 'only-boring nil)))
5426 (throw 'only-boring t)))))
5428 (defun gnus-article-refer-article ()
5429 "Read article specified by message-id around point."
5432 (re-search-backward "[ \t]\\|^" (point-at-bol) t)
5433 (re-search-forward "<?news:<?\\|<" (point-at-eol) t)
5434 (if (re-search-forward "[^@ ]+@[^ \t>]+" (point-at-eol) t)
5435 (let ((msg-id (concat "<" (match-string 0) ">")))
5436 (set-buffer gnus-summary-buffer)
5437 (gnus-summary-refer-article msg-id))
5438 (error "No references around point"))))
5440 (defun gnus-article-show-summary ()
5441 "Reconfigure windows to show summary buffer."
5443 (if (not (gnus-buffer-live-p gnus-summary-buffer))
5444 (error "There is no summary buffer for this article buffer")
5445 (gnus-article-set-globals)
5446 (gnus-configure-windows 'article)
5447 (gnus-summary-goto-subject gnus-current-article)
5448 (gnus-summary-position-point)))
5450 (defun gnus-article-describe-briefly ()
5451 "Describe article mode commands briefly."
5453 (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")))
5455 (defun gnus-article-summary-command ()
5456 "Execute the last keystroke in the summary buffer."
5458 (let ((obuf (current-buffer))
5459 (owin (current-window-configuration))
5461 (switch-to-buffer gnus-article-current-summary 'norecord)
5462 (setq func (lookup-key (current-local-map) (this-command-keys)))
5463 (call-interactively func)
5465 (set-window-configuration owin)
5466 (set-window-point (get-buffer-window (current-buffer)) (point))))
5468 (defun gnus-article-summary-command-nosave ()
5469 "Execute the last keystroke in the summary buffer."
5472 (pop-to-buffer gnus-article-current-summary 'norecord)
5473 (setq func (lookup-key (current-local-map) (this-command-keys)))
5474 (call-interactively func)))
5476 (defun gnus-article-check-buffer ()
5477 "Beep if not in an article buffer."
5478 (unless (equal major-mode 'gnus-article-mode)
5479 (error "Command invoked outside of a Gnus article buffer")))
5481 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
5482 "Read a summary buffer key sequence and execute it from the article buffer."
5484 (gnus-article-check-buffer)
5486 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
5487 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
5488 "=" "^" "\M-^" "|"))
5494 '("n" "Gn" "p" "Gp"))
5497 (set-buffer gnus-article-current-summary)
5498 (let (gnus-pick-mode)
5499 (push (or key last-command-event) unread-command-events)
5500 (setq keys (if (featurep 'xemacs)
5501 (events-to-keys (read-key-sequence nil))
5502 (read-key-sequence nil)))))
5506 (if (or (member keys nosaves)
5507 (member keys nosave-but-article)
5508 (member keys nosave-in-article))
5510 (save-window-excursion
5511 (pop-to-buffer gnus-article-current-summary 'norecord)
5512 ;; We disable the pick minor mode commands.
5513 (let (gnus-pick-mode)
5514 (setq func (lookup-key (current-local-map) keys))))
5518 (unless (member keys nosave-in-article)
5519 (set-buffer gnus-article-current-summary))
5520 (call-interactively func)
5521 (setq new-sum-point (point)))
5522 (when (member keys nosave-but-article)
5523 (pop-to-buffer gnus-article-buffer 'norecord)))
5524 ;; These commands should restore window configuration.
5525 (let ((obuf (current-buffer))
5526 (owin (current-window-configuration))
5528 win func in-buffer selected new-sum-start new-sum-hscroll)
5529 (cond (not-restore-window
5530 (pop-to-buffer gnus-article-current-summary 'norecord))
5531 ((setq win (get-buffer-window gnus-article-current-summary))
5532 (select-window win))
5534 (switch-to-buffer gnus-article-current-summary 'norecord)))
5535 (setq in-buffer (current-buffer))
5536 ;; We disable the pick minor mode commands.
5537 (if (and (setq func (let (gnus-pick-mode)
5538 (lookup-key (current-local-map) keys)))
5541 (call-interactively func)
5542 (when (eq win (selected-window))
5543 (setq new-sum-point (point)
5544 new-sum-start (window-start win)
5545 new-sum-hscroll (window-hscroll win)))
5546 (when (eq in-buffer (current-buffer))
5547 (setq selected (gnus-summary-select-article))
5549 (unless not-restore-window
5550 (set-window-configuration owin))
5551 (when (eq selected 'old)
5553 (set-window-start (get-buffer-window (current-buffer))
5555 (set-window-point (get-buffer-window (current-buffer))
5557 (when (and (not not-restore-window)
5559 (set-window-point win new-sum-point)
5560 (set-window-start win new-sum-start)
5561 (set-window-hscroll win new-sum-hscroll))))
5562 (set-window-configuration owin)
5565 (defun gnus-article-describe-key (key)
5566 "Display documentation of the function invoked by KEY. KEY is a string."
5567 (interactive "kDescribe key: ")
5568 (gnus-article-check-buffer)
5569 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5571 (set-buffer gnus-article-current-summary)
5572 (let (gnus-pick-mode)
5573 (if (featurep 'xemacs)
5575 (push (elt key 0) unread-command-events)
5576 (setq key (events-to-keys
5577 (read-key-sequence "Describe key: "))))
5578 (setq unread-command-events
5580 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5581 (string-to-list key)))
5582 (setq key (read-key-sequence "Describe key: "))))
5584 (describe-key key)))
5586 (defun gnus-article-describe-key-briefly (key &optional insert)
5587 "Display documentation of the function invoked by KEY. KEY is a string."
5588 (interactive "kDescribe key: \nP")
5589 (gnus-article-check-buffer)
5590 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5592 (set-buffer gnus-article-current-summary)
5593 (let (gnus-pick-mode)
5594 (if (featurep 'xemacs)
5596 (push (elt key 0) unread-command-events)
5597 (setq key (events-to-keys
5598 (read-key-sequence "Describe key: "))))
5599 (setq unread-command-events
5601 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5602 (string-to-list key)))
5603 (setq key (read-key-sequence "Describe key: "))))
5604 (describe-key-briefly key insert))
5605 (describe-key-briefly key insert)))
5607 (defun gnus-article-reply-with-original (&optional wide)
5608 "Start composing a reply mail to the current message.
5609 The text in the region will be yanked. If the region isn't active,
5610 the entire article will be yanked."
5612 (let ((article (cdr gnus-article-current))
5614 (if (not (gnus-region-active-p))
5615 (with-current-buffer gnus-summary-buffer
5616 (gnus-summary-reply (list (list article)) wide))
5617 (setq contents (buffer-substring (point) (mark t)))
5618 ;; Deactivate active regions.
5619 (when (and (boundp 'transient-mark-mode)
5620 transient-mark-mode)
5621 (setq mark-active nil))
5622 (with-current-buffer gnus-summary-buffer
5624 (list (list article contents)) wide)))))
5626 (defun gnus-article-followup-with-original ()
5627 "Compose a followup to the current article.
5628 The text in the region will be yanked. If the region isn't active,
5629 the entire article will be yanked."
5631 (let ((article (cdr gnus-article-current))
5633 (if (not (gnus-region-active-p))
5634 (with-current-buffer gnus-summary-buffer
5635 (gnus-summary-followup (list (list article))))
5636 (setq contents (buffer-substring (point) (mark t)))
5637 ;; Deactivate active regions.
5638 (when (and (boundp 'transient-mark-mode)
5639 transient-mark-mode)
5640 (setq mark-active nil))
5641 (with-current-buffer gnus-summary-buffer
5642 (gnus-summary-followup
5643 (list (list article contents)))))))
5645 (defun gnus-article-hide (&optional arg force)
5646 "Hide all the gruft in the current article.
5647 This means that signatures, cited text and (some) headers will be
5649 If given a prefix, show the hidden text instead."
5650 (interactive (append (gnus-article-hidden-arg) (list 'force)))
5651 (gnus-article-hide-headers arg)
5652 (gnus-article-hide-list-identifiers arg)
5653 (gnus-article-hide-citation-maybe arg force)
5654 (gnus-article-hide-signature arg))
5656 (defun gnus-article-maybe-highlight ()
5657 "Do some article highlighting if article highlighting is requested."
5658 (when (gnus-visual-p 'article-highlight 'highlight)
5659 (gnus-article-highlight-some)))
5661 (defun gnus-check-group-server ()
5662 ;; Make sure the connection to the server is alive.
5663 (unless (gnus-server-opened
5664 (gnus-find-method-for-group gnus-newsgroup-name))
5665 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
5666 (gnus-request-group gnus-newsgroup-name t)))
5669 (autoload 'nneething-get-file-name "nneething"))
5671 (defun gnus-request-article-this-buffer (article group)
5672 "Get an article and insert it into this buffer."
5673 (let (do-update-line sparse-header)
5677 (gnus-kill-all-overlays)
5678 (setq group (or group gnus-newsgroup-name))
5680 ;; Using `gnus-request-article' directly will insert the article into
5681 ;; `nntp-server-buffer' - so we'll save some time by not having to
5682 ;; copy it from the server buffer into the article buffer.
5684 ;; We only request an article by message-id when we do not have the
5685 ;; headers for it, so we'll have to get those.
5686 (when (stringp article)
5687 (gnus-read-header article))
5689 ;; If the article number is negative, that means that this article
5690 ;; doesn't belong in this newsgroup (possibly), so we find its
5691 ;; message-id and request it by id instead of number.
5692 (when (and (numberp article)
5694 (get-buffer gnus-summary-buffer)
5695 (gnus-buffer-exists-p gnus-summary-buffer))
5697 (set-buffer gnus-summary-buffer)
5698 (let ((header (gnus-summary-article-header article)))
5701 ((memq article gnus-newsgroup-sparse)
5702 ;; This is a sparse gap article.
5703 (setq do-update-line article)
5704 (setq article (mail-header-id header))
5705 (setq sparse-header (gnus-read-header article))
5706 (setq gnus-newsgroup-sparse
5707 (delq article gnus-newsgroup-sparse)))
5709 ;; It's a real article.
5710 (setq article (mail-header-id header)))
5712 ;; It is an extracted pseudo-article.
5713 (setq article 'pseudo)
5714 (gnus-request-pseudo-article header))))
5716 (let ((method (gnus-find-method-for-group
5717 gnus-newsgroup-name)))
5718 (when (and (eq (car method) 'nneething)
5720 (let ((dir (nneething-get-file-name
5721 (mail-header-id header))))
5722 (when (and (stringp dir)
5723 (file-directory-p dir))
5724 (setq article 'nneething)
5725 (gnus-group-enter-directory dir))))))))
5728 ;; Refuse to select canceled articles.
5729 ((and (numberp article)
5731 (get-buffer gnus-summary-buffer)
5732 (gnus-buffer-exists-p gnus-summary-buffer)
5733 (eq (cdr (with-current-buffer gnus-summary-buffer
5734 (assq article gnus-newsgroup-reads)))
5735 gnus-canceled-mark))
5737 ;; We first check `gnus-original-article-buffer'.
5738 ((and (get-buffer gnus-original-article-buffer)
5740 (with-current-buffer gnus-original-article-buffer
5741 (and (equal (car gnus-original-article) group)
5742 (eq (cdr gnus-original-article) article))))
5743 (insert-buffer-substring gnus-original-article-buffer)
5745 ;; Check the backlog.
5746 ((and gnus-keep-backlog
5747 (gnus-backlog-request-article group article (current-buffer)))
5749 ;; Check asynchronous pre-fetch.
5750 ((gnus-async-request-fetched-article group article (current-buffer))
5751 (gnus-async-prefetch-next group article gnus-summary-buffer)
5752 (when (and (numberp article) gnus-keep-backlog)
5753 (gnus-backlog-enter-article group article (current-buffer)))
5756 ((and gnus-use-cache
5758 (gnus-cache-request-article article group))
5760 ;; Check the agent cache.
5761 ((gnus-agent-request-article article group)
5763 ;; Get the article and put into the article buffer.
5764 ((or (stringp article)
5766 (let ((gnus-override-method gnus-override-method)
5767 (methods (and (stringp article)
5768 gnus-refer-article-method))
5769 (backend (car (gnus-find-method-for-group
5770 gnus-newsgroup-name)))
5772 (inhibit-read-only t))
5773 (if (or (not (listp methods))
5774 (and (symbolp (car methods))
5775 (assq (car methods) nnoo-definition-alist)))
5776 (setq methods (list methods)))
5777 (when (and (null gnus-override-method)
5779 (setq gnus-override-method (pop methods)))
5781 (when (eq gnus-override-method 'current)
5782 (setq gnus-override-method
5783 (with-current-buffer gnus-summary-buffer
5784 gnus-current-select-method)))
5786 (gnus-kill-all-overlays)
5787 (let ((gnus-newsgroup-name group))
5788 (gnus-check-group-server))
5790 ((gnus-request-article article group (current-buffer))
5791 (when (numberp article)
5792 (gnus-async-prefetch-next group article
5793 gnus-summary-buffer)
5794 (when gnus-keep-backlog
5795 (gnus-backlog-enter-article
5796 group article (current-buffer))))
5797 (setq result 'article))
5799 (setq gnus-override-method (pop methods)))
5800 ((not (string-match "^400 "
5801 (nnheader-get-report backend)))
5802 ;; If we get 400 server disconnect, reconnect and
5803 ;; retry; otherwise, assume the article has expired.
5804 (setq result 'done))))
5805 (and (eq result 'article) 'article)))
5809 ;; Associate this article with the current summary buffer.
5810 (setq gnus-article-current-summary gnus-summary-buffer)
5812 ;; Take the article from the original article buffer
5813 ;; and place it in the buffer it's supposed to be in.
5814 (when (and (get-buffer gnus-article-buffer)
5815 (equal (buffer-name (current-buffer))
5816 (buffer-name (get-buffer gnus-article-buffer))))
5818 (if (get-buffer gnus-original-article-buffer)
5819 (set-buffer gnus-original-article-buffer)
5820 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
5821 (buffer-disable-undo)
5822 (setq major-mode 'gnus-original-article-mode)
5823 (setq buffer-read-only t))
5824 (let ((inhibit-read-only t))
5826 (insert-buffer-substring gnus-article-buffer))
5827 (setq gnus-original-article (cons group article)))
5830 (run-hooks 'gnus-article-decode-hook)
5831 ;; Mark article as decoded or not.
5832 (setq gnus-article-decoded-p gnus-article-decode-hook))
5834 ;; Update sparse articles.
5835 (when (and do-update-line
5836 (or (numberp article)
5838 (let ((buf (current-buffer)))
5839 (set-buffer gnus-summary-buffer)
5840 (gnus-summary-update-article do-update-line sparse-header)
5841 (gnus-summary-goto-subject do-update-line nil t)
5842 (set-window-point (gnus-get-buffer-window (current-buffer) t)
5844 (set-buffer buf))))))
5850 (defcustom gnus-article-edit-mode-hook nil
5851 "Hook run in article edit mode buffers."
5852 :group 'gnus-article-various
5855 (defvar gnus-article-edit-done-function nil)
5857 (defvar gnus-article-edit-mode-map nil)
5859 ;; Should we be using derived.el for this?
5860 (unless gnus-article-edit-mode-map
5861 (setq gnus-article-edit-mode-map (make-keymap))
5862 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
5864 (gnus-define-keys gnus-article-edit-mode-map
5865 "\C-c?" describe-mode
5866 "\C-c\C-c" gnus-article-edit-done
5867 "\C-c\C-k" gnus-article-edit-exit
5868 "\C-c\C-f\C-t" message-goto-to
5869 "\C-c\C-f\C-o" message-goto-from
5870 "\C-c\C-f\C-b" message-goto-bcc
5871 ;;"\C-c\C-f\C-w" message-goto-fcc
5872 "\C-c\C-f\C-c" message-goto-cc
5873 "\C-c\C-f\C-s" message-goto-subject
5874 "\C-c\C-f\C-r" message-goto-reply-to
5875 "\C-c\C-f\C-n" message-goto-newsgroups
5876 "\C-c\C-f\C-d" message-goto-distribution
5877 "\C-c\C-f\C-f" message-goto-followup-to
5878 "\C-c\C-f\C-m" message-goto-mail-followup-to
5879 "\C-c\C-f\C-k" message-goto-keywords
5880 "\C-c\C-f\C-u" message-goto-summary
5881 "\C-c\C-f\C-i" message-insert-or-toggle-importance
5882 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
5883 "\C-c\C-b" message-goto-body
5884 "\C-c\C-i" message-goto-signature
5886 "\C-c\C-t" message-insert-to
5887 "\C-c\C-n" message-insert-newsgroups
5888 "\C-c\C-o" message-sort-headers
5889 "\C-c\C-e" message-elide-region
5890 "\C-c\C-v" message-delete-not-region
5891 "\C-c\C-z" message-kill-to-signature
5892 "\M-\r" message-newline-and-reformat
5893 "\C-c\C-a" mml-attach-file
5894 "\C-a" message-beginning-of-line
5896 "\M-;" comment-region)
5898 (gnus-define-keys (gnus-article-edit-wash-map
5899 "\C-c\C-w" gnus-article-edit-mode-map)
5900 "f" gnus-article-edit-full-stops))
5903 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
5905 ["Fetch To" message-insert-to t]
5906 ["Fetch Newsgroups" message-insert-newsgroups t]
5908 ["To" message-goto-to t]
5909 ["From" message-goto-from t]
5910 ["Subject" message-goto-subject t]
5911 ["Cc" message-goto-cc t]
5912 ["Reply-To" message-goto-reply-to t]
5913 ["Summary" message-goto-summary t]
5914 ["Keywords" message-goto-keywords t]
5915 ["Newsgroups" message-goto-newsgroups t]
5916 ["Followup-To" message-goto-followup-to t]
5917 ["Mail-Followup-To" message-goto-mail-followup-to t]
5918 ["Distribution" message-goto-distribution t]
5919 ["Body" message-goto-body t]
5920 ["Signature" message-goto-signature t]))
5922 (define-derived-mode gnus-article-edit-mode message-mode "Article Edit"
5923 "Major mode for editing articles.
5924 This is an extended text-mode.
5926 \\{gnus-article-edit-mode-map}"
5927 (make-local-variable 'gnus-article-edit-done-function)
5928 (make-local-variable 'gnus-prev-winconf)
5929 (set (make-local-variable 'font-lock-defaults)
5930 '(message-font-lock-keywords t))
5931 (set (make-local-variable 'mail-header-separator) "")
5932 (set (make-local-variable 'gnus-article-edit-mode) t)
5933 (easy-menu-add message-mode-field-menu message-mode-map)
5935 (setq buffer-read-only nil)
5936 (buffer-enable-undo)
5939 (defun gnus-article-edit (&optional force)
5940 "Edit the current article.
5941 This will have permanent effect only in mail groups.
5942 If FORCE is non-nil, allow editing of articles even in read-only
5945 (when (and (not force)
5946 (gnus-group-read-only-p))
5947 (error "The current newsgroup does not support article editing"))
5948 (gnus-article-date-original)
5949 (gnus-article-edit-article
5951 `(lambda (no-highlight)
5953 (gnus-summary-edit-article-done
5954 ,(or (mail-header-references gnus-current-headers) "")
5955 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
5957 (defun gnus-article-edit-article (start-func exit-func &optional quiet)
5958 "Start editing the contents of the current article buffer."
5959 (let ((winconf (current-window-configuration)))
5960 (set-buffer gnus-article-buffer)
5961 (let ((message-auto-save-directory
5962 ;; Don't associate the article buffer with a draft file.
5964 (gnus-article-edit-mode))
5965 (funcall start-func)
5966 (set-buffer-modified-p nil)
5967 (gnus-configure-windows 'edit-article)
5968 (setq gnus-article-edit-done-function exit-func)
5969 (setq gnus-prev-winconf winconf)
5971 (gnus-message 6 "C-c C-c to end edits"))))
5973 (defun gnus-article-edit-done (&optional arg)
5974 "Update the article edits and exit."
5976 (let ((func gnus-article-edit-done-function)
5977 (buf (current-buffer))
5978 (start (window-start))
5980 (winconf gnus-prev-winconf))
5981 (widen) ;; Widen it in case that users narrowed the buffer.
5984 ;; The cache and backlog have to be flushed somewhat.
5985 (when gnus-keep-backlog
5986 (gnus-backlog-remove-article
5987 (car gnus-article-current) (cdr gnus-article-current)))
5988 ;; Flush original article as well.
5990 (when (get-buffer gnus-original-article-buffer)
5991 (set-buffer gnus-original-article-buffer)
5992 (setq gnus-original-article nil)))
5993 (when gnus-use-cache
5994 (gnus-cache-update-article
5995 (car gnus-article-current) (cdr gnus-article-current)))
5996 ;; We remove all text props from the article buffer.
5997 (kill-all-local-variables)
5998 (set-text-properties (point-min) (point-max) nil)
6000 (set-window-configuration winconf)
6002 (set-window-start (get-buffer-window buf) start)
6003 (set-window-point (get-buffer-window buf) (point)))
6004 (gnus-summary-show-article))
6006 (defun gnus-article-edit-exit ()
6007 "Exit the article editing without updating."
6009 (when (or (not (buffer-modified-p))
6010 (yes-or-no-p "Article modified; kill anyway? "))
6011 (let ((curbuf (current-buffer))
6013 (window-start (window-start)))
6015 (if (gnus-buffer-live-p gnus-original-article-buffer)
6016 (insert-buffer-substring gnus-original-article-buffer))
6017 (let ((winconf gnus-prev-winconf))
6018 (kill-all-local-variables)
6020 (set-window-configuration winconf)
6021 ;; Tippy-toe some to make sure that point remains where it was.
6022 (save-current-buffer
6024 (set-window-start (get-buffer-window (current-buffer)) window-start)
6026 (gnus-summary-show-article)))
6028 (defun gnus-article-edit-full-stops ()
6029 "Interactively repair spacing at end of sentences."
6032 (goto-char (point-min))
6033 (search-forward-regexp "^$" nil t)
6034 (let ((case-fold-search nil))
6035 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
6038 ;;; Article highlights
6041 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
6043 ;;; Internal Variables:
6045 (defcustom gnus-button-url-regexp
6046 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
6047 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)"
6048 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)\\)")
6049 "Regular expression that matches URLs."
6050 :group 'gnus-article-buttons
6053 (defcustom gnus-button-valid-fqdn-regexp
6054 message-valid-fqdn-regexp
6055 "Regular expression that matches a valid FQDN."
6057 :group 'gnus-article-buttons
6060 ;; Regexp suggested by Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
6061 (defcustom gnus-button-valid-localpart-regexp
6062 "[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t ]*"
6063 "Regular expression that matches a localpart of mail addresses or MIDs."
6065 :group 'gnus-article-buttons
6068 (defcustom gnus-button-man-handler 'manual-entry
6069 "Function to use for displaying man pages.
6070 The function must take at least one argument with a string naming the
6073 :type '(choice (function-item :tag "Man" manual-entry)
6074 (function-item :tag "Woman" woman)
6075 (function :tag "Other"))
6076 :group 'gnus-article-buttons)
6078 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
6079 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
6080 If the default site is too slow, try to find a CTAN mirror, see
6081 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
6082 the variable `gnus-button-handle-ctan'."
6084 :group 'gnus-article-buttons
6085 :link '(custom-manual "(gnus)Group Parameters")
6086 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
6087 (const "http://tug.ctan.org/tex-archive/")
6088 (const "http://www.dante.de/CTAN/")
6089 (string :tag "Other")))
6091 (defcustom gnus-button-ctan-handler 'browse-url
6092 "Function to use for displaying CTAN links.
6093 The function must take one argument, the string naming the URL."
6095 :type '(choice (function-item :tag "Browse Url" browse-url)
6096 (function :tag "Other"))
6097 :group 'gnus-article-buttons)
6099 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
6100 "Bogus strings removed from CTAN URLs."
6102 :group 'gnus-article-buttons
6103 :type '(choice (const "^/?tex-archive/\\|/")
6104 (regexp :tag "Other")))
6106 (defcustom gnus-button-ctan-directory-regexp
6108 (list "archive-tools" "biblio" "bibliography" "digests" "documentation"
6109 "dviware" "fonts" "graphics" "help" "indexing" "info" "language"
6110 "languages" "macros" "nonfree" "obsolete" "support" "systems"
6111 "tds" "tools" "usergrps" "web") t)
6112 "Regular expression for ctan directories.
6113 It should match all directories in the top level of `gnus-ctan-url'."
6115 :group 'gnus-article-buttons
6118 (defcustom gnus-button-mid-or-mail-regexp
6119 (concat "\\b\\(<?" gnus-button-valid-localpart-regexp "@"
6120 gnus-button-valid-fqdn-regexp
6122 "Regular expression that matches a message ID or a mail address."
6124 :group 'gnus-article-buttons
6127 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
6128 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
6129 Strings like this can be either a message ID or a mail address. If it is one
6130 of the symbols `mid' or `mail', Gnus will always assume that the string is a
6131 message ID or a mail address, respectively. If this variable is set to the
6132 symbol `ask', always query the user what do do. If it is a function, this
6133 function will be called with the string as it's only argument. The function
6134 must return `mid', `mail', `invalid' or `ask'."
6136 :group 'gnus-article-buttons
6137 :type '(choice (function-item :tag "Heuristic function"
6138 gnus-button-mid-or-mail-heuristic)
6143 (defcustom gnus-button-mid-or-mail-heuristic-alist
6144 '((-10.0 . ".+\\$.+@")
6147 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
6148 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
6149 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
6150 (-1.0 . "^[^a-z]+@")
6152 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
6153 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
6154 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
6155 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
6158 (-1.0 . "^[0-9][0-9]")
6160 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
6161 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6162 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
6163 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6165 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
6166 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
6169 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
6171 ;; compensation for TDMA dated mail addresses:
6172 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
6174 (-20.0 . "\\.fsf@") ;; Gnus
6177 (-20.0 . "_-_") ;; Subject change in thread
6179 (-20.0 . "\\.ln@") ;; leafnode
6180 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
6181 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
6183 ;; (5.0 . "") ;; $local_part_len <= 7
6184 (10.0 . "^[^0-9]+@")
6185 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
6186 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
6189 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
6191 (0.5 . "^[A-Z][a-z]")
6192 (0.5 . "^[A-Z][a-z][a-z]")
6193 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
6194 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
6195 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
6197 A negative RATE indicates a message IDs, whereas a positive indicates a mail
6198 address. The REGEXP is processed with `case-fold-search' set to nil."
6200 :group 'gnus-article-buttons
6201 :type '(repeat (cons (number :tag "Rate")
6202 (regexp :tag "Regexp"))))
6204 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
6205 "Guess whether MID-OR-MAIL is a message ID or a mail address.
6206 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
6207 address, `ask' if unsure and `invalid' if the string is invalid."
6208 (let ((case-fold-search nil)
6209 (list gnus-button-mid-or-mail-heuristic-alist)
6210 (result 0) rate regexp lpartlen elem)
6212 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
6213 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
6214 ;; Certain special cases...
6217 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
6218 "^[0-9]+\\.[0-9]+@compuserve\\|"
6219 "@public\\.gmane\\.org")
6221 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
6222 (setq result 'mail))
6223 (when (string-match "@.*@\\| " mid-or-mail)
6224 (gnus-message 8 "`%s' is invalid." mid-or-mail)
6225 (setq result 'invalid))
6226 ;; Nothing more to do, if result is not a number here...
6227 (when (numberp result)
6229 (setq elem (car list)
6233 (when (string-match regexp mid-or-mail)
6234 (setq result (+ result rate))
6236 9 "`%s' matched `%s', rate `%s', result `%s'."
6237 mid-or-mail regexp rate result)))
6238 (when (<= lpartlen 7)
6239 (setq result (+ result 5.0))
6240 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
6241 mid-or-mail result))
6242 (when (>= lpartlen 12)
6243 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
6245 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
6246 ;; Long local part should contain realname if e-mail address,
6247 ;; too many digits: message-id.
6248 ;; $score -= 5.0 + 0.1 * $local_part_len;
6249 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
6250 (setq result (+ result rate))
6252 9 "Many digits in `%s', rate `%s', result `%s'."
6253 mid-or-mail rate result))
6254 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
6256 ;; Too few vowels [^aeiouy]{4,}.*\@
6257 (setq result (+ result -5.0))
6259 9 "Few vowels in `%s', rate `%s', result `%s'."
6260 mid-or-mail -5.0 result))
6262 (setq result (+ result 5.0))
6264 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
6265 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
6266 ;; Maybe we should make this a customizable alist: (condition . 'result)
6268 ((symbolp result) result)
6269 ;; Now convert number into proper results:
6270 ((< result -10.0) 'mid)
6271 ((> result 10.0) 'mail)
6274 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
6275 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
6276 (url-mid (concat "news" ":" mid-or-mail))
6277 (url-mailto (concat "mailto" ":" mid-or-mail)))
6278 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
6279 (when (fboundp pref)
6281 ;; get rid of surrounding angles...
6283 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
6284 (if (or (eq 'mid guessed) (eq 'mail guessed))
6288 (save-window-excursion
6289 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
6292 (cond ((eq pref 'mid)
6293 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
6294 (gnus-button-handle-news url-mid))
6296 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
6297 (gnus-url-mailto url-mailto))
6298 (t (gnus-message 3 "Invalid string.")))))
6300 (defun gnus-button-handle-custom (fun arg)
6301 "Call function FUN on argument ARG.
6302 Both FUN and ARG are supposed to be strings. ARG will be passed
6303 as a symbol to FUN."
6304 (funcall (intern fun) (intern arg)))
6306 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
6308 ;; FIXME: Maybe we should merge some of the functions that do quite similar
6311 (defun gnus-button-handle-describe-function (url)
6312 "Call `describe-function' when pushing the corresponding URL button."
6315 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6317 (defun gnus-button-handle-describe-variable (url)
6318 "Call `describe-variable' when pushing the corresponding URL button."
6321 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6323 (defun gnus-button-handle-symbol (url)
6324 "Display help on variable or function.
6325 Calls `describe-variable' or `describe-function'."
6326 (let ((sym (intern url)))
6328 ((fboundp sym) (describe-function sym))
6329 ((boundp sym) (describe-variable sym))
6330 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
6332 (defun gnus-button-handle-describe-key (url)
6333 "Call `describe-key' when pushing the corresponding URL button."
6335 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
6336 (keys (ignore-errors (eval `(kbd ,key-string)))))
6339 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
6341 (defun gnus-button-handle-apropos (url)
6342 "Call `apropos' when pushing the corresponding URL button."
6343 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6345 (defun gnus-button-handle-apropos-command (url)
6346 "Call `apropos' when pushing the corresponding URL button."
6348 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6350 (defun gnus-button-handle-apropos-variable (url)
6351 "Call `apropos' when pushing the corresponding URL button."
6353 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
6354 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6356 (defun gnus-button-handle-apropos-documentation (url)
6357 "Call `apropos' when pushing the corresponding URL button."
6359 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
6360 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6362 (defun gnus-button-handle-library (url)
6363 "Call `locate-library' when pushing the corresponding URL button."
6364 (gnus-message 9 "url=`%s'" url)
6365 (let* ((lib (locate-library url))
6366 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
6368 (gnus-message 1 "Cannot locale library `%s'." url)
6369 (find-file-read-only file))))
6371 (defun gnus-button-handle-ctan (url)
6372 "Call `browse-url' when pushing a CTAN URL button."
6374 gnus-button-ctan-handler
6377 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
6379 (defcustom gnus-button-tex-level 5
6380 "*Integer that says how many TeX-related buttons Gnus will show.
6381 The higher the number, the more buttons will appear and the more false
6382 positives are possible. Note that you can set this variable local to
6383 specific groups. Setting it higher in TeX groups is probably a good idea.
6384 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6385 how to set variables in specific groups."
6387 :group 'gnus-article-buttons
6388 :link '(custom-manual "(gnus)Group Parameters")
6391 (defcustom gnus-button-man-level 5
6392 "*Integer that says how many man-related buttons Gnus will show.
6393 The higher the number, the more buttons will appear and the more false
6394 positives are possible. Note that you can set this variable local to
6395 specific groups. Setting it higher in Unix groups is probably a good idea.
6396 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6397 how to set variables in specific groups."
6399 :group 'gnus-article-buttons
6400 :link '(custom-manual "(gnus)Group Parameters")
6403 (defcustom gnus-button-emacs-level 5
6404 "*Integer that says how many emacs-related buttons Gnus will show.
6405 The higher the number, the more buttons will appear and the more false
6406 positives are possible. Note that you can set this variable local to
6407 specific groups. Setting it higher in Emacs or Gnus related groups is
6408 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
6409 `gnus-parameters' on how to set variables in specific groups."
6411 :group 'gnus-article-buttons
6412 :link '(custom-manual "(gnus)Group Parameters")
6415 (defcustom gnus-button-message-level 5
6416 "*Integer that says how many buttons for news or mail messages will appear.
6417 The higher the number, the more buttons will appear and the more false
6418 positives are possible."
6419 ;; mail addresses, MIDs, URLs for news, ...
6421 :group 'gnus-article-buttons
6424 (defcustom gnus-button-browse-level 5
6425 "*Integer that says how many buttons for browsing will appear.
6426 The higher the number, the more buttons will appear and the more false
6427 positives are possible."
6428 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
6430 :group 'gnus-article-buttons
6433 (defcustom gnus-button-alist
6434 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
6435 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
6436 ((concat "\\b\\(nntp\\|news\\):\\("
6437 gnus-button-valid-localpart-regexp "@[a-z0-9.-]+[a-z]\\)")
6438 0 t gnus-button-handle-news 2)
6439 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
6440 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
6441 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
6442 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
6443 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
6444 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
6445 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
6446 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
6447 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
6448 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
6449 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
6450 ;; RFC 2368 (The mailto URL scheme)
6451 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6452 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6453 ("\\bmailto:\\([^ \n\t]+\\)"
6454 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6456 ((concat "\\bCTAN:[ \t\n]?[^>)!;:,'\n\t ]*\\("
6457 gnus-button-ctan-directory-regexp
6458 "[^][>)!;:,'\n\t ]+\\)")
6459 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
6460 ((concat "\\btex-archive/\\("
6461 gnus-button-ctan-directory-regexp
6462 "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)")
6463 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
6466 gnus-button-ctan-directory-regexp
6467 "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)")
6468 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
6469 ;; This is info (home-grown style) <info://foo/bar+baz>
6470 ("\\binfo://\\([^'\">\n\t ]+\\)"
6471 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
6472 ;; Info GNOME style <info:foo#bar_baz>
6473 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
6474 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
6475 ;; Info KDE style <info:(foo)bar baz>
6476 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
6477 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
6478 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
6479 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
6480 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
6481 ;; Info links like `C-h i d m CC Mode RET'
6482 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 2)
6484 ("M-x[ \t\n]\\(customize-[^ ]+\\)[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
6485 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1 2)
6486 ;; Emacs help commands
6487 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6488 ;; regexp doesn't match arguments containing ` '.
6489 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
6490 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6491 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
6492 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6493 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
6494 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6495 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
6496 ;; The following entries may lead to many false positives so don't enable
6497 ;; them by default (use a high button level).
6498 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>[^.?]"
6499 ;; Exclude [.?] for URLs in gmane.emacs.cvs
6500 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6501 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
6502 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6503 ("`\\([a-z][a-z0-9]+-[a-z]+-[-a-z]+\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
6504 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
6505 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
6506 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
6507 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
6508 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
6509 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6510 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
6511 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6512 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
6513 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6514 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
6515 ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
6516 ;; Unlike the other regexps we really have to require quoting
6517 ;; here to determine where it ends.
6518 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
6519 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
6520 ("<URL: *\\([^<>]*\\)>"
6521 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6522 ;; RFC 2396 (2.4.3., delims) ...
6523 ("\"URL: *\\([^\"]*\\)\""
6524 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6525 ;; RFC 2396 (2.4.3., delims) ...
6526 ("\"URL: *\\([^\"]*\\)\""
6527 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6529 (gnus-button-url-regexp
6530 0 (>= gnus-button-browse-level 0) browse-url 0)
6532 ("\\b\\([a-z][a-z]+([1-9])\\)\\W"
6533 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
6534 gnus-button-handle-man 1)
6535 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
6536 ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W"
6537 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
6538 gnus-button-handle-man 1)
6539 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
6540 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
6541 ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\|\\b\\(?:X([1-9])\\)\\)\\W"
6542 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
6543 ;; MID or mail: To avoid too many false positives we don't try to catch
6544 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
6545 ;; at least one dot. TLD must contain two or three chars or be a know TLD
6546 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
6547 ;; so that non-ambiguous entries (see above) match first.
6548 (gnus-button-mid-or-mail-regexp
6549 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
6550 "*Alist of regexps matching buttons in article bodies.
6552 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
6553 REGEXP: is the string (case insensitive) matching text around the button (can
6554 also be Lisp expression evaluating to a string),
6555 BUTTON: is the number of the regexp grouping actually matching the button,
6556 FORM: is a Lisp expression which must eval to true for the button to
6558 CALLBACK: is the function to call when the user push this button, and each
6559 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
6561 CALLBACK can also be a variable, in that case the value of that
6562 variable it the real callback function."
6563 :group 'gnus-article-buttons
6564 :type '(repeat (list (choice regexp variable sexp)
6565 (integer :tag "Button")
6567 (function :tag "Callback")
6570 (integer :tag "Regexp group")))))
6572 (defcustom gnus-header-button-alist
6573 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
6574 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
6575 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
6576 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
6577 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
6578 0 (>= gnus-button-message-level 0) gnus-msg-mail 0)
6579 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
6580 0 (>= gnus-button-browse-level 0) browse-url 0)
6581 ("^Subject:" gnus-button-url-regexp
6582 0 (>= gnus-button-browse-level 0) browse-url 0)
6583 ("^[^:]+:" gnus-button-url-regexp
6584 0 (>= gnus-button-browse-level 0) browse-url 0)
6585 ("^OpenPGP:.*url=" gnus-button-url-regexp
6586 0 (>= gnus-button-browse-level 0) gnus-button-openpgp 0)
6587 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6588 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6589 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
6590 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
6591 "*Alist of headers and regexps to match buttons in article heads.
6593 This alist is very similar to `gnus-button-alist', except that each
6594 alist has an additional HEADER element first in each entry:
6596 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
6598 HEADER is a regexp to match a header. For a fuller explanation, see
6599 `gnus-button-alist'."
6600 :group 'gnus-article-buttons
6601 :group 'gnus-article-headers
6602 :type '(repeat (list (regexp :tag "Header")
6603 (choice regexp variable)
6604 (integer :tag "Button")
6606 (function :tag "Callback")
6609 (integer :tag "Regexp group")))))
6613 (defun gnus-article-push-button (event)
6614 "Check text under the mouse pointer for a callback function.
6615 If the text under the mouse pointer has a `gnus-callback' property,
6616 call it with the value of the `gnus-data' text property."
6618 (set-buffer (window-buffer (posn-window (event-start event))))
6619 (let* ((pos (posn-point (event-start event)))
6620 (data (get-text-property pos 'gnus-data))
6621 (fun (get-text-property pos 'gnus-callback)))
6624 (funcall fun data))))
6626 (defun gnus-article-press-button ()
6627 "Check text at point for a callback function.
6628 If the text at point has a `gnus-callback' property,
6629 call it with the value of the `gnus-data' text property."
6631 (let ((data (get-text-property (point) 'gnus-data))
6632 (fun (get-text-property (point) 'gnus-callback)))
6634 (funcall fun data))))
6636 (defun gnus-article-highlight (&optional force)
6637 "Highlight current article.
6638 This function calls `gnus-article-highlight-headers',
6639 `gnus-article-highlight-citation',
6640 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6641 do the highlighting. See the documentation for those functions."
6642 (interactive (list 'force))
6643 (gnus-article-highlight-headers)
6644 (gnus-article-highlight-citation force)
6645 (gnus-article-highlight-signature)
6646 (gnus-article-add-buttons force)
6647 (gnus-article-add-buttons-to-head))
6649 (defun gnus-article-highlight-some (&optional force)
6650 "Highlight current article.
6651 This function calls `gnus-article-highlight-headers',
6652 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6653 do the highlighting. See the documentation for those functions."
6654 (interactive (list 'force))
6655 (gnus-article-highlight-headers)
6656 (gnus-article-highlight-signature)
6657 (gnus-article-add-buttons))
6659 (defun gnus-article-highlight-headers ()
6660 "Highlight article headers as specified by `gnus-header-face-alist'."
6662 (gnus-with-article-headers
6663 (let (regexp header-face field-face from hpoints fpoints)
6664 (dolist (entry gnus-header-face-alist)
6665 (goto-char (point-min))
6666 (setq regexp (concat "^\\("
6667 (if (string-equal "" (nth 0 entry))
6671 header-face (nth 1 entry)
6672 field-face (nth 2 entry))
6673 (while (and (re-search-forward regexp nil t)
6677 (unless (search-forward ":" nil t)
6679 (when (and header-face
6680 (not (memq (point) hpoints)))
6681 (push (point) hpoints)
6682 (gnus-put-text-property from (point) 'face header-face))
6683 (when (and field-face
6684 (not (memq (setq from (point)) fpoints)))
6686 (if (re-search-forward "^[^ \t]" nil t)
6688 (goto-char (point-max)))
6689 (gnus-put-text-property from (point) 'face field-face)))))))
6691 (defun gnus-article-highlight-signature ()
6692 "Highlight the signature in an article.
6693 It does this by highlighting everything after
6694 `gnus-signature-separator' using the face `gnus-signature'."
6696 (gnus-with-article-buffer
6697 (let ((inhibit-point-motion-hooks t))
6699 (when (and gnus-signature-face
6700 (gnus-article-narrow-to-signature))
6701 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
6702 'face gnus-signature-face)
6704 (gnus-article-search-signature)
6705 (let ((start (match-beginning 0))
6706 (end (set-marker (make-marker) (1+ (match-end 0)))))
6707 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
6710 (defun gnus-button-in-region-p (b e prop)
6711 "Say whether PROP exists in the region."
6712 (text-property-not-all b e prop nil))
6714 (defun gnus-article-add-buttons (&optional force)
6715 "Find external references in the article and make buttons of them.
6716 \"External references\" are things like Message-IDs and URLs, as
6717 specified by `gnus-button-alist'."
6718 (interactive (list 'force))
6719 (gnus-with-article-buffer
6720 (let ((inhibit-point-motion-hooks t)
6721 (case-fold-search t)
6722 (alist gnus-button-alist)
6724 ;; Remove all old markers.
6725 (let (marker entry new-list)
6726 (while (setq marker (pop gnus-button-marker-list))
6727 (if (or (< marker (point-min)) (>= marker (point-max)))
6728 (push marker new-list)
6730 (when (setq entry (gnus-button-entry))
6731 (put-text-property (match-beginning (nth 1 entry))
6732 (match-end (nth 1 entry))
6733 'gnus-callback nil))
6734 (set-marker marker nil)))
6735 (setq gnus-button-marker-list new-list))
6736 ;; We skip the headers.
6739 (while (setq entry (pop alist))
6740 (setq regexp (eval (car entry)))
6742 (while (re-search-forward regexp nil t)
6743 (let* ((start (and entry (match-beginning (nth 1 entry))))
6744 (end (and entry (match-end (nth 1 entry))))
6745 (from (match-beginning 0)))
6746 (when (and (or (eq t (nth 2 entry))
6747 (eval (nth 2 entry)))
6748 (not (gnus-button-in-region-p
6749 start end 'gnus-callback)))
6750 ;; That optional form returned non-nil, so we add the
6752 (gnus-article-add-button
6753 start end 'gnus-button-push
6754 (car (push (set-marker (make-marker) from)
6755 gnus-button-marker-list))))))))))
6757 ;; Add buttons to the head of an article.
6758 (defun gnus-article-add-buttons-to-head ()
6759 "Add buttons to the head of the article."
6761 (gnus-with-article-headers
6763 (dolist (entry gnus-header-button-alist)
6764 ;; Each alist entry.
6765 (goto-char (point-min))
6766 (while (re-search-forward (car entry) nil t)
6767 ;; Each header matching the entry.
6768 (setq beg (match-beginning 0))
6769 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
6770 (match-beginning 0))
6773 (while (re-search-forward (eval (nth 1 entry)) end t)
6774 ;; Each match within a header.
6775 (let* ((entry (cdr entry))
6776 (start (match-beginning (nth 1 entry)))
6777 (end (match-end (nth 1 entry)))
6778 (form (nth 2 entry)))
6779 (goto-char (match-end 0))
6781 (gnus-article-add-button
6782 start end (nth 3 entry)
6783 (buffer-substring (match-beginning (nth 4 entry))
6784 (match-end (nth 4 entry)))))))
6785 (goto-char end))))))
6787 ;;; External functions:
6789 (defun gnus-article-add-button (from to fun &optional data)
6790 "Create a button between FROM and TO with callback FUN and data DATA."
6791 (when gnus-article-button-face
6792 (gnus-overlay-put (gnus-make-overlay from to)
6793 'face gnus-article-button-face))
6794 (gnus-add-text-properties
6796 (nconc (and gnus-article-mouse-face
6797 (list gnus-mouse-face-prop gnus-article-mouse-face))
6798 (list 'gnus-callback fun)
6799 (and data (list 'gnus-data data))))
6800 (widget-convert-button 'link from to :action 'gnus-widget-press-button
6801 :button-keymap gnus-widget-button-keymap))
6803 ;;; Internal functions:
6805 (defun gnus-article-set-globals ()
6806 (with-current-buffer gnus-summary-buffer
6807 (gnus-set-global-variables)))
6809 (defun gnus-signature-toggle (end)
6810 (gnus-with-article-buffer
6811 (let ((inhibit-point-motion-hooks t))
6812 (if (text-property-any end (point-max) 'article-type 'signature)
6814 (gnus-delete-wash-type 'signature)
6815 (gnus-remove-text-properties-when
6816 'article-type 'signature end (point-max)
6817 (cons 'article-type (cons 'signature
6818 gnus-hidden-properties))))
6819 (gnus-add-wash-type 'signature)
6820 (gnus-add-text-properties-when
6821 'article-type nil end (point-max)
6822 (cons 'article-type (cons 'signature
6823 gnus-hidden-properties)))))
6824 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
6825 (gnus-set-mode-line 'article))))
6827 (defun gnus-button-entry ()
6828 ;; Return the first entry in `gnus-button-alist' matching this place.
6829 (let ((alist gnus-button-alist)
6832 (setq entry (pop alist))
6833 (if (looking-at (eval (car entry)))
6838 (defun gnus-button-push (marker)
6839 ;; Push button starting at MARKER.
6842 (let* ((entry (gnus-button-entry))
6843 (inhibit-point-motion-hooks t)
6845 (args (mapcar (lambda (group)
6846 (let ((string (match-string group)))
6847 (set-text-properties
6848 0 (length string) nil string)
6855 (fboundp (symbol-value fun)))
6856 (apply (symbol-value fun) args))
6858 (gnus-message 1 "You must define `%S' to use this button"
6859 (cons fun args)))))))
6861 (defun gnus-parse-news-url (url)
6862 (let (scheme server port group message-id articles)
6865 (goto-char (point-min))
6866 (when (looking-at "\\([A-Za-z]+\\):")
6867 (setq scheme (match-string 1))
6868 (goto-char (match-end 0)))
6869 (when (looking-at "//\\([^:/]+\\)\\(:?\\)\\([0-9]+\\)?/")
6870 (setq server (match-string 1))
6871 (setq port (if (stringp (match-string 3))
6872 (string-to-number (match-string 3))
6874 (goto-char (match-end 0)))
6877 ((looking-at "\\(.*@.*\\)")
6878 (setq message-id (match-string 1)))
6879 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
6880 (setq group (match-string 1)
6881 articles (split-string (match-string 2) "-")))
6882 ((looking-at "\\([^/]+\\)/?")
6883 (setq group (match-string 1)))
6885 (error "Unknown news URL syntax"))))
6886 (list scheme server port group message-id articles)))
6888 (defun gnus-button-handle-news (url)
6890 (destructuring-bind (scheme server port group message-id articles)
6891 (gnus-parse-news-url url)
6895 (set-buffer gnus-summary-buffer)
6897 (let ((gnus-refer-article-method
6898 (nconc (list (list 'nntp server))
6899 gnus-refer-article-method))
6900 (nntp-port-number (or port "nntp")))
6901 (gnus-message 7 "Fetching %s with %s"
6902 message-id gnus-refer-article-method)
6903 (gnus-summary-refer-article message-id))
6904 (gnus-summary-refer-article message-id))))
6906 (gnus-button-fetch-group url)))))
6908 (defun gnus-button-handle-man (url)
6910 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
6911 (when (eq gnus-button-man-handler 'woman)
6912 (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" "")))
6913 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
6914 (funcall gnus-button-man-handler url))
6916 (defun gnus-button-handle-info-url (url)
6917 "Fetch an info URL."
6918 (setq url (mm-subst-char-in-string ?+ ?\ url))
6920 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
6921 (gnus-info-find-node
6922 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
6924 ")" (gnus-url-unhex-string (match-string 2 url)))))
6925 ((string-match "([^)\"]+)[^\"]+" url)
6927 (gnus-replace-in-string
6928 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
6929 (gnus-info-find-node url))
6930 (t (error "Can't parse %s" url))))
6932 (defun gnus-button-handle-info-url-gnome (url)
6933 "Fetch GNOME style info URL."
6934 (setq url (mm-subst-char-in-string ?_ ?\ url))
6935 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
6936 (gnus-info-find-node
6938 (gnus-url-unhex-string
6939 (match-string 1 url))
6941 (or (gnus-url-unhex-string
6942 (match-string 2 url))
6944 (error "Can't parse %s" url)))
6946 (defun gnus-button-handle-info-url-kde (url)
6947 "Fetch KDE style info URL."
6948 (gnus-info-find-node (gnus-url-unhex-string url)))
6950 (defun gnus-button-handle-info-keystrokes (url)
6951 "Call `info' when pushing the corresponding URL button."
6952 ;; For links like `C-h i d m gnus RET', `C-h i d m CC Mode RET'.
6957 (defun gnus-button-openpgp (url)
6958 "Retrieve and add an OpenPGP key given URL from an OpenPGP header."
6960 (mm-url-insert-file-contents-external url)
6961 (pgg-snarf-keys-region (point-min) (point-max))
6962 (pgg-display-output-buffer nil nil nil)))
6964 (defun gnus-button-message-id (message-id)
6966 (with-current-buffer gnus-summary-buffer
6967 (gnus-summary-refer-article message-id)))
6969 (defun gnus-button-fetch-group (address)
6970 "Fetch GROUP specified by ADDRESS."
6971 (if (not (string-match "[:/]" address))
6972 ;; This is just a simple group url.
6973 (gnus-group-read-ephemeral-group address gnus-select-method)
6976 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
6978 (error "Can't parse %s" address)
6979 (gnus-group-read-ephemeral-group
6980 (match-string 4 address)
6981 `(nntp ,(match-string 1 address)
6982 (nntp-address ,(match-string 1 address))
6983 (nntp-port-number ,(if (match-end 3)
6984 (match-string 3 address)
6987 (and (match-end 6) (list (string-to-number (match-string 6 address))))))))
6989 (defun gnus-url-parse-query-string (query &optional downcase)
6990 (let (retval pairs cur key val)
6991 (setq pairs (split-string query "&"))
6993 (setq cur (car pairs)
6995 (if (not (string-match "=" cur))
6997 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
6998 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
7000 (setq key (downcase key)))
7001 (setq cur (assoc key retval))
7003 (setcdr cur (cons val (cdr cur)))
7004 (setq retval (cons (list key val) retval)))))
7007 (defun gnus-url-mailto (url)
7008 ;; Send mail to someone
7009 (when (string-match "mailto:/*\\(.*\\)" url)
7010 (setq url (substring url (match-beginning 1) nil)))
7011 (let (to args subject func)
7012 (setq args (gnus-url-parse-query-string
7013 (if (string-match "^\\?" url)
7015 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
7016 (concat "to=" (match-string 1 url) "&"
7017 (match-string 2 url))
7018 (concat "to=" url)))
7020 subject (cdr-safe (assoc "subject" args)))
7023 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
7026 (message-position-on-field (caar args)))
7027 (insert (gnus-replace-in-string
7028 (mapconcat 'identity (reverse (cdar args)) ", ")
7030 (setq args (cdr args)))
7033 (message-goto-subject))))
7035 (defun gnus-button-embedded-url (address)
7036 "Activate ADDRESS with `browse-url'."
7037 (browse-url (gnus-strip-whitespace address)))
7039 ;;; Next/prev buttons in the article buffer.
7041 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
7042 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
7044 (defvar gnus-prev-page-map
7045 (let ((map (make-sparse-keymap)))
7046 (define-key map gnus-mouse-2 'gnus-button-prev-page)
7047 (define-key map "\r" 'gnus-button-prev-page)
7050 (defvar gnus-next-page-map
7051 (let ((map (make-sparse-keymap)))
7052 (unless (>= emacs-major-version 21)
7053 ;; XEmacs doesn't care.
7054 (set-keymap-parent map gnus-article-mode-map))
7055 (define-key map gnus-mouse-2 'gnus-button-next-page)
7056 (define-key map "\r" 'gnus-button-next-page)
7059 (defun gnus-insert-prev-page-button ()
7061 (inhibit-read-only t))
7063 gnus-prev-page-line-format nil
7064 `(keymap ,gnus-prev-page-map
7066 gnus-callback gnus-article-button-prev-page
7067 article-type annotation))
7068 (widget-convert-button
7070 ;; Exclude a newline.
7073 :action 'gnus-button-prev-page
7074 :button-keymap gnus-prev-page-map)))
7076 (defun gnus-button-next-page (&optional args more-args)
7077 "Go to the next page."
7079 (let ((win (selected-window)))
7080 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7081 (gnus-article-next-page)
7082 (select-window win)))
7084 (defun gnus-button-prev-page (&optional args more-args)
7085 "Go to the prev page."
7087 (let ((win (selected-window)))
7088 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7089 (gnus-article-prev-page)
7090 (select-window win)))
7092 (defun gnus-insert-next-page-button ()
7094 (inhibit-read-only t))
7095 (gnus-eval-format gnus-next-page-line-format nil
7096 `(keymap ,gnus-next-page-map
7098 gnus-callback gnus-article-button-next-page
7099 article-type annotation))
7100 (widget-convert-button
7102 ;; Exclude a newline.
7105 :action 'gnus-button-next-page
7106 :button-keymap gnus-next-page-map)))
7108 (defun gnus-article-button-next-page (arg)
7109 "Go to the next page."
7111 (let ((win (selected-window)))
7112 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7113 (gnus-article-next-page)
7114 (select-window win)))
7116 (defun gnus-article-button-prev-page (arg)
7117 "Go to the prev page."
7119 (let ((win (selected-window)))
7120 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7121 (gnus-article-prev-page)
7122 (select-window win)))
7124 (defvar gnus-decode-header-methods
7125 '(mail-decode-encoded-word-region)
7126 "List of methods used to decode headers.
7128 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
7129 is FUNCTION, FUNCTION will be applied to all newsgroups. If item is a
7130 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
7131 whose names match REGEXP.
7134 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
7135 mail-decode-encoded-word-region
7136 (\"chinese\" . rfc1843-decode-region))
7139 (defvar gnus-decode-header-methods-cache nil)
7141 (defun gnus-multi-decode-header (start end)
7142 "Apply the functions from `gnus-encoded-word-methods' that match."
7143 (unless (and gnus-decode-header-methods-cache
7144 (eq gnus-newsgroup-name
7145 (car gnus-decode-header-methods-cache)))
7146 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
7149 (nconc gnus-decode-header-methods-cache (list x))
7150 (if (and gnus-newsgroup-name
7151 (string-match (car x) gnus-newsgroup-name))
7152 (nconc gnus-decode-header-methods-cache
7154 gnus-decode-header-methods))
7155 (let ((xlist gnus-decode-header-methods-cache))
7158 (narrow-to-region start end)
7160 (funcall (pop xlist) (point-min) (point-max))))))
7163 ;;; Treatment top-level handling.
7166 (defun gnus-treat-article (condition &optional part-number total-parts type)
7167 (let ((length (- (point-max) (point-min)))
7168 (alist gnus-treatment-function-alist)
7169 (article-goto-body-goes-to-point-min-p t)
7173 (let ((list gnus-article-treat-types))
7175 (when (string-match (pop list) type)
7176 (throw 'found t)))))))
7177 (highlightp (gnus-visual-p 'article-highlight 'highlight))
7179 (gnus-run-hooks 'gnus-part-display-hook)
7180 (dolist (elem alist)
7183 (when (gnus-buffer-live-p gnus-summary-buffer)
7184 (set-buffer gnus-summary-buffer))
7185 (symbol-value (car elem))))
7186 (when (and (or (consp val)
7188 (gnus-treat-predicate val)
7189 (or (not (get (car elem) 'highlight))
7192 (funcall (cadr elem)))))))
7194 ;; Dynamic variables.
7196 (defvar part-number)
7197 (defvar total-parts)
7202 (defun gnus-treat-predicate (val)
7209 (stringp (car val)))
7210 (apply 'gnus-or (mapcar `(lambda (s)
7211 (string-match s ,(or gnus-newsgroup-name "")))
7214 (let ((pred (pop val)))
7217 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
7219 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
7221 (not (gnus-treat-predicate (car val))))
7223 (equal (car val) type))
7225 (error "%S is not a valid predicate" pred)))))
7233 (eq part-number total-parts))
7237 (error "%S is not a valid value" val))))
7239 (defun gnus-article-encrypt-body (protocol &optional n)
7240 "Encrypt the article body."
7243 (or gnus-article-encrypt-protocol
7244 (completing-read "Encrypt protocol: "
7245 gnus-article-encrypt-protocol-alist
7247 current-prefix-arg))
7248 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
7250 (error "Can't find the encrypt protocol %s" protocol))
7251 (if (member gnus-newsgroup-name '("nndraft:delayed"
7254 (error "Can't encrypt the article in group %s"
7255 gnus-newsgroup-name))
7256 (gnus-summary-iterate n
7258 (set-buffer gnus-summary-buffer)
7259 (let ((mail-parse-charset gnus-newsgroup-charset)
7260 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
7261 (summary-buffer gnus-summary-buffer)
7263 (gnus-set-global-variables)
7264 (when (gnus-group-read-only-p)
7265 (error "The current newsgroup does not support article encrypt"))
7266 (gnus-summary-show-article t)
7268 (or (mail-header-references gnus-current-headers) ""))
7269 (set-buffer gnus-article-buffer)
7270 (let* ((inhibit-read-only t)
7272 (mapcar (lambda (field)
7273 (and (save-restriction
7274 (message-narrow-to-head)
7275 (goto-char (point-min))
7276 (search-forward field nil t))
7278 (message-narrow-to-field)
7280 (delete-region (point-min) (point-max))
7282 '("Content-Type:" "Content-Transfer-Encoding:"
7283 "Content-Disposition:"))))
7284 (message-narrow-to-head)
7285 (message-remove-header "MIME-Version")
7286 (goto-char (point-max))
7287 (setq point (point))
7288 (insert (apply 'concat headers))
7290 (narrow-to-region point (point-max))
7291 (let ((message-options message-options))
7292 (message-options-set 'message-sender user-mail-address)
7293 (message-options-set 'message-recipients user-mail-address)
7294 (message-options-set 'message-sign-encrypt 'not)
7296 (goto-char (point-min))
7297 (insert "MIME-Version: 1.0\n")
7299 (gnus-summary-edit-article-done
7300 references nil summary-buffer t))
7301 (when gnus-keep-backlog
7302 (gnus-backlog-remove-article
7303 (car gnus-article-current) (cdr gnus-article-current)))
7305 (when (get-buffer gnus-original-article-buffer)
7306 (set-buffer gnus-original-article-buffer)
7307 (setq gnus-original-article nil)))
7308 (when gnus-use-cache
7309 (gnus-cache-update-article
7310 (car gnus-article-current) (cdr gnus-article-current))))))))
7312 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
7313 "The following specs can be used:
7314 %t The security MIME type
7317 %D Details if button is pressed")
7319 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
7320 "The following specs can be used:
7321 %t The security MIME type
7324 %D Details if button is pressed")
7326 (defvar gnus-mime-security-button-line-format-alist
7327 '((?t gnus-tmp-type ?s)
7328 (?i gnus-tmp-info ?s)
7329 (?d gnus-tmp-details ?s)
7330 (?D gnus-tmp-pressed-details ?s)))
7332 (defvar gnus-mime-security-button-map
7333 (let ((map (make-sparse-keymap)))
7334 (define-key map gnus-mouse-2 'gnus-article-push-button)
7335 (define-key map "\r" 'gnus-article-press-button)
7338 (defvar gnus-mime-security-details-buffer nil)
7340 (defvar gnus-mime-security-button-pressed nil)
7342 (defvar gnus-mime-security-show-details-inline t
7343 "If non-nil, show details in the article buffer.")
7345 (defun gnus-mime-security-verify-or-decrypt (handle)
7346 (mm-remove-parts (cdr handle))
7347 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
7348 point (inhibit-read-only t))
7350 (goto-char (car region)))
7352 (narrow-to-region (point) (point))
7353 (with-current-buffer (mm-handle-multipart-original-buffer handle)
7354 (let* ((mm-verify-option 'known)
7355 (mm-decrypt-option 'known)
7356 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
7357 (unless (eq nparts (cdr handle))
7358 (mm-destroy-parts (cdr handle))
7359 (setcdr handle nparts))))
7360 (setq point (point))
7361 (gnus-mime-display-security handle)
7362 (goto-char (point-max)))
7364 (delete-region (point) (cdr region))
7365 (set-marker (car region) nil)
7366 (set-marker (cdr region) nil))
7369 (defun gnus-mime-security-show-details (handle)
7370 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
7372 (gnus-message 5 "No details.")
7373 (if gnus-mime-security-show-details-inline
7374 (let ((gnus-mime-security-button-pressed
7375 (not (get-text-property (point) 'gnus-mime-details)))
7376 (gnus-mime-security-button-line-format
7377 (get-text-property (point) 'gnus-line-format))
7378 (inhibit-read-only t))
7380 (while (eq (get-text-property (point) 'gnus-line-format)
7381 gnus-mime-security-button-line-format)
7385 (narrow-to-region (point) (point))
7386 (gnus-insert-mime-security-button handle))
7387 (delete-region (point)
7388 (or (text-property-not-all
7391 gnus-mime-security-button-line-format)
7394 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
7395 (with-current-buffer gnus-mime-security-details-buffer
7398 (setq gnus-mime-security-details-buffer
7399 (gnus-get-buffer-create "*MIME Security Details*")))
7400 (with-current-buffer gnus-mime-security-details-buffer
7402 (goto-char (point-min)))
7403 (pop-to-buffer gnus-mime-security-details-buffer)))))
7405 (defun gnus-mime-security-press-button (handle)
7407 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7408 (gnus-mime-security-show-details handle)
7409 (gnus-mime-security-verify-or-decrypt handle))))
7411 (defun gnus-insert-mime-security-button (handle &optional displayed)
7412 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
7415 (or (nth 2 (assoc protocol mm-verify-function-alist))
7416 (nth 2 (assoc protocol mm-decrypt-function-alist))
7418 (if (equal (car handle) "multipart/signed")
7419 " Signed" " Encrypted")
7422 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7425 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
7426 gnus-tmp-pressed-details
7428 (setq gnus-tmp-details
7429 (if gnus-tmp-details
7430 (concat "\n" gnus-tmp-details)
7432 (setq gnus-tmp-pressed-details
7433 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
7438 gnus-mime-security-button-line-format
7439 gnus-mime-security-button-line-format-alist
7440 `(keymap ,gnus-mime-security-button-map
7441 gnus-callback gnus-mime-security-press-button
7442 gnus-line-format ,gnus-mime-security-button-line-format
7443 gnus-mime-details ,gnus-mime-security-button-pressed
7444 article-type annotation
7447 ;; Exclude a newline.
7450 (widget-convert-button
7453 :action 'gnus-widget-press-button
7454 :button-keymap gnus-mime-security-button-map
7456 (lambda (widget/window &optional overlay pos)
7457 ;; Needed to properly clear the message due to a bug in
7458 ;; wid-edit (XEmacs only).
7459 (when (boundp 'help-echo-owns-message)
7460 (setq help-echo-owns-message t))
7463 (aref gnus-mouse-2 0))))))
7465 (defun gnus-mime-display-security (handle)
7467 (narrow-to-region (point) (point))
7468 (unless (gnus-unbuttonized-mime-type-p (car handle))
7469 (gnus-insert-mime-security-button handle))
7470 (gnus-mime-display-part (cadr handle))
7473 (unless (gnus-unbuttonized-mime-type-p (car handle))
7474 (let ((gnus-mime-security-button-line-format
7475 gnus-mime-security-button-end-line-format))
7476 (gnus-insert-mime-security-button handle)))
7477 (mm-set-handle-multipart-parameter
7479 (cons (set-marker (make-marker) (point-min))
7480 (set-marker (make-marker) (point-max))))))
7486 (run-hooks 'gnus-art-load-hook)
7488 ;;; arch-tag: 2654516f-6279-48f9-a83b-05c1fa450c33
7489 ;;; gnus-art.el ends here