1 ;;; gnus-art.el --- article mode commands for Gnus
3 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 ;; 2005, 2006, 2007, 2008, 2009, 2010, 2011 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 3 of the License, or
14 ;; (at your option) any later version.
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
28 ;; For Emacs <22.2 and XEmacs.
30 (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
34 (defvar w3m-minor-mode-map)
49 (autoload 'gnus-msg-mail "gnus-msg" nil t)
50 (autoload 'gnus-button-mailto "gnus-msg")
51 (autoload 'gnus-button-reply "gnus-msg" nil t)
52 (autoload 'parse-time-string "parse-time" nil nil)
53 (autoload 'ansi-color-apply-on-region "ansi-color")
54 (autoload 'mm-url-insert-file-contents-external "mm-url")
55 (autoload 'mm-extern-cache-contents "mm-extern")
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 "Envelope-To" "X-Spam-Score" "System-Type" "X-Injected-Via-Gmane"
161 "X-Gmane-NNTP-Posting-Host" "Jabber-ID" "Archived-At"
162 "Envelope-Sender" "Envelope-Recipients"))
163 "*All headers that start with this regexp will be hidden.
164 This variable can also be a list of regexps of headers to be ignored.
165 If `gnus-visible-headers' is non-nil, this variable will be ignored."
166 :type '(choice :custom-show nil
169 :group 'gnus-article-hiding)
171 (defcustom gnus-visible-headers
172 "^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:"
173 "*All headers that do not match this regexp will be hidden.
174 This variable can also be a list of regexp of headers to remain visible.
175 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
177 (repeat :value-to-internal (lambda (widget value)
178 (custom-split-regexp-maybe value))
179 :match (lambda (widget value)
181 (widget-editable-list-match widget value)))
183 (const :tag "Use gnus-ignored-headers" nil)
185 :group 'gnus-article-hiding)
187 (defcustom gnus-sorted-header-list
188 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
189 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
190 "*This variable is a list of regular expressions.
191 If it is non-nil, headers that match the regular expressions will
192 be placed first in the article buffer in the sequence specified by
194 :type '(repeat regexp)
195 :group 'gnus-article-hiding)
197 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
198 "Headers that are only to be displayed if they have interesting data.
199 Possible values in this list are:
201 'empty Headers with no content.
202 'newsgroups Newsgroup identical to Gnus group.
203 'to-address To identical to To-address.
204 'to-list To identical to To-list.
205 'cc-list CC identical to To-list.
206 'followup-to Followup-to identical to Newsgroups.
207 'reply-to Reply-to identical to From.
208 'date Date less than four days old.
209 'long-to To and/or Cc longer than 1024 characters.
210 'many-to Multiple To and/or Cc."
211 :type '(set (const :tag "Headers with no content." empty)
212 (const :tag "Newsgroups identical to Gnus group." newsgroups)
213 (const :tag "To identical to To-address." to-address)
214 (const :tag "To identical to To-list." to-list)
215 (const :tag "CC identical to To-list." cc-list)
216 (const :tag "Followup-to identical to Newsgroups." followup-to)
217 (const :tag "Reply-to identical to From." reply-to)
218 (const :tag "Date less than four days old." date)
219 (const :tag "To and/or Cc longer than 1024 characters." long-to)
220 (const :tag "Multiple To and/or Cc headers." many-to))
221 :group 'gnus-article-hiding)
223 (defcustom gnus-article-skip-boring nil
224 "Skip over text that is not worth reading.
225 By default, if you set this t, then Gnus will display citations and
226 signatures, but will never scroll down to show you a page consisting
227 only of boring text. Boring text is controlled by
228 `gnus-article-boring-faces'."
231 :group 'gnus-article-hiding)
233 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
234 "Regexp matching signature separator.
235 This can also be a list of regexps. In that case, it will be checked
236 from head to tail looking for a separator. Searches will be done from
237 the end of the buffer."
238 :type '(choice :format "%{%t%}: %[Value Menu%]\n%v"
240 (repeat :tag "List of regexp" regexp))
241 :group 'gnus-article-signature)
243 (defcustom gnus-signature-limit nil
244 "Provide a limit to what is considered a signature.
245 If it is a number, no signature may not be longer (in characters) than
246 that number. If it is a floating point number, no signature may be
247 longer (in lines) than that number. If it is a function, the function
248 will be called without any parameters, and if it returns nil, there is
249 no signature in the buffer. If it is a string, it will be used as a
250 regexp. If it matches, the text in question is not a signature.
252 This can also be a list of the above values."
253 :type '(choice (const nil)
257 (regexp :value ".*"))
258 :group 'gnus-article-signature)
260 (defcustom gnus-hidden-properties '(invisible t intangible t)
261 "Property list to use for hiding text."
263 :group 'gnus-article-hiding)
265 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
266 ;; frames in a session.
267 (defcustom gnus-article-x-face-command
268 (if (featurep 'xemacs)
269 (if (or (gnus-image-type-available-p 'xface)
270 (gnus-image-type-available-p 'pbm))
271 'gnus-display-x-face-in-from
272 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -")
273 (if (gnus-image-type-available-p 'pbm)
274 'gnus-display-x-face-in-from
275 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
277 "*String or function to be executed to display an X-Face header.
278 If it is a string, the command will be executed in a sub-shell
279 asynchronously. The compressed face will be piped to this command."
280 :type `(choice string
281 (function-item gnus-display-x-face-in-from)
285 :group 'gnus-article-washing)
287 (defcustom gnus-article-x-face-too-ugly nil
288 "Regexp matching posters whose face shouldn't be shown automatically."
289 :type '(choice regexp (const nil))
290 :group 'gnus-article-washing)
292 (defcustom gnus-article-banner-alist nil
293 "Banner alist for stripping.
295 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
297 :type '(repeat (cons symbol regexp))
298 :group 'gnus-article-washing)
300 (gnus-define-group-parameter
303 "Alist of regexps (to match group names) and banner."
304 :variable-group gnus-article-washing
306 '(choice :tag "Banner"
308 (const :tag "Remove signature" signature)
309 (symbol :tag "Item in `gnus-article-banner-alist'" none)
311 (const :tag "None" nil))
313 "If non-nil, specify how to remove `banners' from articles.
315 Symbol `signature' means to remove signatures delimited by
316 `gnus-signature-separator'. Any other symbol is used to look up a
317 regular expression to match the banner in `gnus-article-banner-alist'.
318 A string is used as a regular expression to match the banner
321 (defcustom gnus-article-address-banner-alist nil
322 "Alist of mail addresses and banners.
323 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
324 to match a mail address in the From: header, BANNER is one of a symbol
325 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
326 If ADDRESS matches author's mail address, it will remove things like
327 advertisements. For example:
329 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
333 (regexp :tag "Address")
334 (choice :tag "Banner" :value nil
335 (const :tag "Remove signature" signature)
336 (symbol :tag "Item in `gnus-article-banner-alist'" none)
338 (const :tag "None" nil))))
340 :group 'gnus-article-washing)
342 (defmacro gnus-emphasis-custom-with-format (&rest body)
344 \\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\
345 \\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)"))
348 (defun gnus-emphasis-custom-value-to-external (value)
349 (gnus-emphasis-custom-with-format
350 (if (consp (car value))
351 (list (format format (car (car value)) (cdr (car value)))
353 (if (nth 1 value) 2 3)
357 (defun gnus-emphasis-custom-value-to-internal (value)
358 (gnus-emphasis-custom-with-format
359 (let ((regexp (concat "\\`"
360 (format (regexp-quote format)
361 "\\([^()]+\\)" "\\([^()]+\\)")
364 (if (string-match regexp (setq pattern (car value)))
365 (list (cons (match-string 1 pattern) (match-string 2 pattern))
370 (defcustom gnus-emphasis-alist
372 '(("\\*" "\\*" bold nil 2)
375 ("_/" "/_" underline-italic)
376 ("_\\*" "\\*_" underline-bold)
377 ("\\*/" "/\\*" bold-italic)
378 ("_\\*/" "/\\*_" underline-bold-italic))))
380 (gnus-emphasis-custom-with-format
381 (mapcar (lambda (spec)
382 (list (format format (car spec) (cadr spec))
385 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
387 '(;; I've never seen anyone use this strikethru convention whereas I've
388 ;; several times seen it triggered by normal text. --Stef
389 ;; Miles suggests that this form is sometimes used but for italics,
390 ;; so maybe we should map it to `italic'.
391 ;; ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
392 ;; 2 3 gnus-emphasis-strikethru)
393 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
394 2 3 gnus-emphasis-underline))))
395 "*Alist that says how to fontify certain phrases.
396 Each item looks like this:
398 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
400 The first element is a regular expression to be matched. The second
401 is a number that says what regular expression grouping used to find
402 the entire emphasized word. The third is a number that says what
403 regexp grouping should be displayed and highlighted. The fourth
404 is the face used for highlighting."
408 :format "%[Customizing Style%]\n%v"
410 (group :tag "Default"
411 :value ("" 0 0 default)
414 (let ((value (widget-get
415 (cadr (widget-get (widget-get widget :parent)
418 (if (not (eq (nth 2 value) 'default))
422 (gnus-emphasis-custom-value-to-external value))))
423 (widget-group-value-create widget))
425 (integer :format "Match group: %v")
426 (integer :format "Emphasize group: %v")
429 :value (("_" . "_") nil default)
431 (regexp :format "Start regexp: %v")
432 (regexp :format "End regexp: %v"))
433 (boolean :format "Show start and end patterns: %[%v%]\n"
434 :on " On " :off " Off ")
436 :get (lambda (symbol)
437 (mapcar 'gnus-emphasis-custom-value-to-internal
438 (default-value symbol)))
439 :set (lambda (symbol value)
440 (set-default symbol (mapcar 'gnus-emphasis-custom-value-to-external
442 :group 'gnus-article-emphasis)
444 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
445 "A regexp to describe whitespace which should not be emphasized.
446 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
447 The former avoids underlining of leading and trailing whitespace,
448 and the latter avoids underlining any whitespace at all."
450 :group 'gnus-article-emphasis
453 (defface gnus-emphasis-bold '((t (:bold t)))
454 "Face used for displaying strong emphasized text (*word*)."
455 :group 'gnus-article-emphasis)
457 (defface gnus-emphasis-italic '((t (:italic t)))
458 "Face used for displaying italic emphasized text (/word/)."
459 :group 'gnus-article-emphasis)
461 (defface gnus-emphasis-underline '((t (:underline t)))
462 "Face used for displaying underlined emphasized text (_word_)."
463 :group 'gnus-article-emphasis)
465 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
466 "Face used for displaying underlined bold emphasized text (_*word*_)."
467 :group 'gnus-article-emphasis)
469 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
470 "Face used for displaying underlined italic emphasized text (_/word/_)."
471 :group 'gnus-article-emphasis)
473 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
474 "Face used for displaying bold italic emphasized text (/*word*/)."
475 :group 'gnus-article-emphasis)
477 (defface gnus-emphasis-underline-bold-italic
478 '((t (:bold t :italic t :underline t)))
479 "Face used for displaying underlined bold italic emphasized text.
480 Example: (_/*word*/_)."
481 :group 'gnus-article-emphasis)
483 (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
484 '((t (:strikethru t)))
485 '((t (:strike-through t))))
486 "Face used for displaying strike-through text (-word-)."
487 :group 'gnus-article-emphasis)
489 (defface gnus-emphasis-highlight-words
490 '((t (:background "black" :foreground "yellow")))
491 "Face used for displaying highlighted words."
492 :group 'gnus-article-emphasis)
494 (defcustom gnus-article-time-format "%a, %d %b %Y %T %Z"
495 "Format for display of Date headers in article bodies.
496 See `format-time-string' for the possible values.
498 The variable can also be function, which should return a complete Date
499 header. The function is called with one argument, the time, which can
500 be fed to `format-time-string'."
501 :type '(choice string function)
502 :link '(custom-manual "(gnus)Article Date")
503 :group 'gnus-article-washing)
505 (defcustom gnus-save-all-headers t
506 "*If non-nil, don't remove any headers before saving.
507 This will be overridden by the `:headers' property that the symbol of
508 the saver function, which is specified by `gnus-default-article-saver',
510 :group 'gnus-article-saving
513 (defcustom gnus-prompt-before-saving 'always
514 "*This variable says how much prompting is to be done when saving articles.
515 If it is nil, no prompting will be done, and the articles will be
516 saved to the default files. If this variable is `always', each and
517 every article that is saved will be preceded by a prompt, even when
518 saving large batches of articles. If this variable is neither nil not
519 `always', there the user will be prompted once for a file name for
520 each invocation of the saving commands."
521 :group 'gnus-article-saving
522 :type '(choice (item always)
523 (item :tag "never" nil)
524 (sexp :tag "once" :format "%t\n" :value t)))
526 (defcustom gnus-saved-headers gnus-visible-headers
527 "Headers to keep if `gnus-save-all-headers' is nil.
528 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
529 If that variable is nil, however, all headers that match this regexp
530 will be kept while the rest will be deleted before saving. This and
531 `gnus-save-all-headers' will be overridden by the `:headers' property
532 that the symbol of the saver function, which is specified by
533 `gnus-default-article-saver', might have."
534 :group 'gnus-article-saving
537 ;; Note that "Rmail format" is mbox since Emacs 23, but Babyl before.
538 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
539 "A function to save articles in your favourite format.
540 The function will be called by way of the `gnus-summary-save-article'
541 command, and friends such as `gnus-summary-save-article-rmail'.
543 Gnus provides the following functions:
545 * gnus-summary-save-in-rmail (Rmail format)
546 * gnus-summary-save-in-mail (Unix mail format)
547 * gnus-summary-save-in-folder (MH folder)
548 * gnus-summary-save-in-file (article format)
549 * gnus-summary-save-body-in-file (article body)
550 * gnus-summary-save-in-vm (use VM's folder format)
551 * gnus-summary-write-to-file (article format -- overwrite)
552 * gnus-summary-write-body-to-file (article body -- overwrite)
553 * gnus-summary-save-in-pipe (article format)
555 The symbol of each function may have the following properties:
558 The value non-nil means save decoded articles. This is meaningful
559 only with `gnus-summary-save-in-file', `gnus-summary-save-body-in-file',
560 `gnus-summary-write-to-file', `gnus-summary-write-body-to-file', and
561 `gnus-summary-save-in-pipe'.
564 The value specifies an alternative function which appends, not
565 overwrites, articles to a file. This implies that when saving many
566 articles at a time, `gnus-prompt-before-saving' is bound to t and all
567 articles are saved in a single file. This is meaningful only with
568 `gnus-summary-write-to-file' and `gnus-summary-write-body-to-file'.
571 The value specifies the symbol of a variable of which the value
572 specifies headers to be saved. If it is omitted,
573 `gnus-save-all-headers' and `gnus-saved-headers' control what
574 headers should be saved."
575 :group 'gnus-article-saving
576 :type '(radio (function-item gnus-summary-save-in-rmail)
577 (function-item gnus-summary-save-in-mail)
578 (function-item gnus-summary-save-in-folder)
579 (function-item gnus-summary-save-in-file)
580 (function-item gnus-summary-save-body-in-file)
581 (function-item gnus-summary-save-in-vm)
582 (function-item gnus-summary-write-to-file)
583 (function-item gnus-summary-write-body-to-file)
584 (function-item gnus-summary-save-in-pipe)
587 (defcustom gnus-article-save-coding-system
588 (or (and (mm-coding-system-p 'utf-8) 'utf-8)
589 (and (mm-coding-system-p 'iso-2022-7bit) 'iso-2022-7bit)
590 (and (mm-coding-system-p 'emacs-mule) 'emacs-mule)
591 (and (mm-coding-system-p 'escape-quoted) 'escape-quoted))
592 "Coding system used to save decoded articles to a file.
594 The recommended coding systems are `utf-8', `iso-2022-7bit' and so on,
595 which can safely encode any characters in text. This is used by the
598 * gnus-summary-save-article-file
599 * gnus-summary-save-article-body-file
600 * gnus-summary-write-article-file
601 * gnus-summary-write-article-body-file
603 and the functions to which you may set `gnus-default-article-saver':
605 * gnus-summary-save-in-file
606 * gnus-summary-save-body-in-file
607 * gnus-summary-write-to-file
608 * gnus-summary-write-body-to-file
610 Those commands and functions save just text displayed in the article
611 buffer to a file if the value of this variable is non-nil. Note that
612 buttonized MIME parts will be lost in a saved file in that case.
613 Otherwise, raw articles will be saved."
614 :group 'gnus-article-saving
616 :format "%{%t%}:\n %[Value Menu%] %v"
617 (const :tag "Save raw articles" nil)
620 (lambda (arg) (if (mm-coding-system-p (nth 3 arg)) arg))
621 '((const :tag "UTF-8" utf-8)
622 (const :tag "iso-2022-7bit" iso-2022-7bit)
623 (const :tag "Emacs internal" emacs-mule)
624 (const :tag "escape-quoted" escape-quoted))))
625 (symbol :tag "Coding system")))
627 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
628 "A function generating a file name to save articles in Rmail format.
629 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
630 :group 'gnus-article-saving
633 (defcustom gnus-mail-save-name 'gnus-plain-save-name
634 "A function generating a file name to save articles in Unix mail format.
635 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
636 :group 'gnus-article-saving
639 (defcustom gnus-folder-save-name 'gnus-folder-save-name
640 "A function generating a file name to save articles in MH folder.
641 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
642 :group 'gnus-article-saving
645 (defcustom gnus-file-save-name 'gnus-numeric-save-name
646 "A function generating a file name to save articles in article format.
647 The function is called with NEWSGROUP, HEADERS, and optional
649 :group 'gnus-article-saving
652 (defcustom gnus-split-methods
653 '((gnus-article-archive-name)
654 (gnus-article-nndoc-name))
655 "*Variable used to suggest where articles are to be saved.
656 For instance, if you would like to save articles related to Gnus in
657 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
658 you could set this variable to something like:
660 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
661 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
663 This variable is an alist where the key is the match and the
664 value is a list of possible files to save in if the match is
667 If the match is a string, it is used as a regexp match on the
668 article. If the match is a symbol, that symbol will be funcalled
669 from the buffer of the article to be saved with the newsgroup as the
670 parameter. If it is a list, it will be evaled in the same buffer.
672 If this form or function returns a string, this string will be used as a
673 possible file name; and if it returns a non-nil list, that list will be
674 used as possible file names."
675 :group 'gnus-article-saving
676 :type '(repeat (choice (list :value (fun) function)
677 (cons :value ("" "") regexp (repeat string))
680 (defcustom gnus-page-delimiter "^\^L"
681 "*Regexp describing what to use as article page delimiters.
682 The default value is \"^\^L\", which is a form linefeed at the
683 beginning of a line."
685 :group 'gnus-article-various)
687 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
688 "*The format specification for the article mode line.
689 See `gnus-summary-mode-line-format' for a closer description.
691 The following additional specs are available:
693 %w The article washing status.
694 %m The number of MIME parts in the article."
696 :group 'gnus-article-various)
698 (defcustom gnus-article-mode-hook nil
699 "*A hook for Gnus article mode."
701 :group 'gnus-article-various)
703 (when (featurep 'xemacs)
704 ;; Extracted from gnus-xmas-define in order to preserve user settings
705 (when (fboundp 'turn-off-scroll-in-place)
706 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
707 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
708 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
710 (defcustom gnus-article-menu-hook nil
711 "*Hook run after the creation of the article mode menu."
713 :group 'gnus-article-various)
715 (defcustom gnus-article-prepare-hook nil
716 "*A hook called after an article has been prepared in the article buffer."
718 :group 'gnus-article-various)
720 (defcustom gnus-copy-article-ignored-headers nil
721 "List of headers to be removed when copying an article.
722 Each element is a regular expression."
723 :version "23.1" ;; No Gnus
724 :type '(repeat regexp)
725 :group 'gnus-article-various)
727 (make-obsolete-variable 'gnus-article-hide-pgp-hook nil
728 "Gnus 5.10 (Emacs 22.1)")
731 '((t (:weight bold)))
732 "Face used for highlighting a button in the article buffer."
733 :group 'gnus-article-buttons)
735 (defcustom gnus-article-button-face 'gnus-button
736 "Face used for highlighting buttons in the article buffer.
738 An article button is a piece of text that you can activate by pressing
739 `RET' or `mouse-2' above it."
741 :group 'gnus-article-buttons)
743 (defcustom gnus-article-mouse-face 'highlight
744 "Face used for mouse highlighting in the article buffer.
746 Article buttons will be displayed in this face when the cursor is
749 :group 'gnus-article-buttons)
751 (defcustom gnus-signature-face 'gnus-signature
752 "Face used for highlighting a signature in the article buffer.
753 Obsolete; use the face `gnus-signature' for customizations instead."
755 :group 'gnus-article-highlight
756 :group 'gnus-article-signature)
758 (defface gnus-signature
761 "Face used for highlighting a signature in the article buffer."
762 :group 'gnus-article-highlight
763 :group 'gnus-article-signature)
764 ;; backward-compatibility alias
765 (put 'gnus-signature-face 'face-alias 'gnus-signature)
766 (put 'gnus-signature-face 'obsolete-face "22.1")
768 (defface gnus-header-from
771 (:foreground "PaleGreen1"))
774 (:foreground "red3"))
777 "Face used for displaying from headers."
778 :group 'gnus-article-headers
779 :group 'gnus-article-highlight)
780 ;; backward-compatibility alias
781 (put 'gnus-header-from-face 'face-alias 'gnus-header-from)
782 (put 'gnus-header-from-face 'obsolete-face "22.1")
784 (defface gnus-header-subject
787 (:foreground "SeaGreen1"))
790 (:foreground "red4"))
792 (:bold t :italic t)))
793 "Face used for displaying subject headers."
794 :group 'gnus-article-headers
795 :group 'gnus-article-highlight)
796 ;; backward-compatibility alias
797 (put 'gnus-header-subject-face 'face-alias 'gnus-header-subject)
798 (put 'gnus-header-subject-face 'obsolete-face "22.1")
800 (defface gnus-header-newsgroups
803 (:foreground "yellow" :italic t))
806 (:foreground "MidnightBlue" :italic t))
809 "Face used for displaying newsgroups headers.
810 In the default setup this face is only used for crossposted
812 :group 'gnus-article-headers
813 :group 'gnus-article-highlight)
814 ;; backward-compatibility alias
815 (put 'gnus-header-newsgroups-face 'face-alias 'gnus-header-newsgroups)
816 (put 'gnus-header-newsgroups-face 'obsolete-face "22.1")
818 (defface gnus-header-name
821 (:foreground "SpringGreen2"))
824 (:foreground "maroon"))
827 "Face used for displaying header names."
828 :group 'gnus-article-headers
829 :group 'gnus-article-highlight)
830 ;; backward-compatibility alias
831 (put 'gnus-header-name-face 'face-alias 'gnus-header-name)
832 (put 'gnus-header-name-face 'obsolete-face "22.1")
834 (defface gnus-header-content
837 (:foreground "SpringGreen1" :italic t))
840 (:foreground "indianred4" :italic t))
842 (:italic t))) "Face used for displaying header content."
843 :group 'gnus-article-headers
844 :group 'gnus-article-highlight)
845 ;; backward-compatibility alias
846 (put 'gnus-header-content-face 'face-alias 'gnus-header-content)
847 (put 'gnus-header-content-face 'obsolete-face "22.1")
849 (defcustom gnus-header-face-alist
850 '(("From" nil gnus-header-from)
851 ("Subject" nil gnus-header-subject)
852 ("Newsgroups:.*," nil gnus-header-newsgroups)
853 ("" gnus-header-name gnus-header-content))
854 "*Controls highlighting of article headers.
856 An alist of the form (HEADER NAME CONTENT).
858 HEADER is a regular expression which should match the name of a
859 header and NAME and CONTENT are either face names or nil.
861 The name of each header field will be displayed using the face
862 specified by the first element in the list where HEADER matches
863 the header name and NAME is non-nil. Similarly, the content will
864 be displayed by the first non-nil matching CONTENT face."
865 :group 'gnus-article-headers
866 :group 'gnus-article-highlight
867 :type '(repeat (list (regexp :tag "Header")
869 (item :tag "skip" nil)
870 (face :value default))
871 (choice :tag "Content"
872 (item :tag "skip" nil)
873 (face :value default)))))
875 (defcustom gnus-face-properties-alist (if (featurep 'xemacs)
876 '((xface . (:face gnus-x-face)))
877 '((pbm . (:face gnus-x-face))
879 "Alist of image types and properties applied to Face and X-Face images.
882 ;; Specify the altitude of Face images in the From header.
883 \(setq gnus-face-properties-alist
884 '((pbm . (:face gnus-x-face :ascent 80))
885 (png . (:ascent 80))))
887 ;; Show Face images as pressed buttons.
888 \(setq gnus-face-properties-alist
889 '((pbm . (:face gnus-x-face :relief -2))
890 (png . (:relief -2))))
892 See the manual for the valid properties for various image types.
893 Currently, `pbm' is used for X-Face images and `png' is used for Face
894 images in Emacs. Only the `:face' property is effective on the `xface'
895 image type in XEmacs if it is built with the libcompface library."
896 :version "23.1" ;; No Gnus
897 :group 'gnus-article-headers
898 :type '(repeat (cons :format "%v" (symbol :tag "Image type") plist)))
900 (defcustom gnus-article-decode-hook
901 '(article-decode-charset article-decode-encoded-words
902 article-decode-group-name article-decode-idna-rhs)
903 "*Hook run to decode charsets in articles."
904 :group 'gnus-article-headers
907 (defcustom gnus-display-mime-function 'gnus-display-mime
908 "Function to display MIME articles."
909 :group 'gnus-article-mime
912 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
913 "Function used to decode headers.")
915 (defvar gnus-decode-address-function 'mail-decode-encoded-address-region
916 "Function used to decode addresses.")
918 (defvar gnus-article-dumbquotes-map
938 "Table for MS-to-Latin1 translation.")
940 (defcustom gnus-ignored-mime-types nil
941 "List of MIME types that should be ignored by Gnus."
943 :group 'gnus-article-mime
944 :type '(repeat regexp))
946 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
947 "List of MIME types that should not be given buttons when rendered inline.
948 See also `gnus-buttonized-mime-types' which may override this variable.
949 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
951 :group 'gnus-article-mime
952 :type '(repeat regexp))
954 (defcustom gnus-buttonized-mime-types nil
955 "List of MIME types that should be given buttons when rendered inline.
956 If set, this variable overrides `gnus-unbuttonized-mime-types'.
957 To see e.g. security buttons you could set this to
958 `(\"multipart/signed\")'. You could also add \"multipart/alternative\" to
959 this list to display radio buttons that allow you to choose one of two
960 media types those mails include. See also `mm-discouraged-alternatives'.
961 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
963 :group 'gnus-article-mime
964 :type '(repeat regexp))
966 (defcustom gnus-inhibit-mime-unbuttonizing nil
967 "If non-nil, all MIME parts get buttons.
968 When nil (the default value), then some MIME parts do not get buttons,
969 as described by the variables `gnus-buttonized-mime-types' and
970 `gnus-unbuttonized-mime-types'."
972 :group 'gnus-article-mime
975 (defcustom gnus-body-boundary-delimiter "_"
976 "String used to delimit header and body.
977 This variable is used by `gnus-article-treat-body-boundary' which can
978 be controlled by `gnus-treat-body-boundary'."
980 :group 'gnus-article-various
981 :type '(choice (item :tag "None" :value nil)
984 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces"
986 "Defines the location of the faces database.
987 For information on obtaining this database of pretty pictures, please
988 see http://www.cs.indiana.edu/picons/ftp/index.html"
990 :type '(repeat directory)
991 :link '(url-link :tag "download"
992 "http://www.cs.indiana.edu/picons/ftp/index.html")
993 :link '(custom-manual "(gnus)Picons")
996 (defun gnus-picons-installed-p ()
997 "Say whether picons are installed on your machine."
998 (let ((installed nil))
999 (dolist (database gnus-picon-databases)
1000 (when (file-exists-p database)
1001 (setq installed t)))
1004 (defcustom gnus-article-mime-part-function nil
1005 "Function called with a MIME handle as the argument.
1006 This is meant for people who want to do something automatic based
1007 on parts -- for instance, adding Vcard info to a database."
1008 :group 'gnus-article-mime
1009 :type '(choice (const nil)
1012 (defcustom gnus-mime-multipart-functions nil
1013 "An alist of MIME types to functions to display them."
1015 :group 'gnus-article-mime
1016 :type '(repeat (cons :format "%v" (string :tag "MIME type") function)))
1018 (defcustom gnus-article-date-lapsed-new-header nil
1019 "Whether the X-Sent and Date headers can coexist.
1020 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
1021 either replace the old \"Date:\" header (if this variable is nil), or
1022 be added below it (otherwise)."
1024 :group 'gnus-article-headers
1027 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
1028 "Function called with a MIME handle as the argument.
1029 This is meant for people who want to view first matched part.
1030 For `undisplayed-alternative' (default), the first undisplayed
1031 part or alternative part is used. For `undisplayed', the first
1032 undisplayed part is used. For a function, the first part which
1033 the function return t is used. For nil, the first part is
1036 :group 'gnus-article-mime
1038 (item :tag "first" :value nil)
1039 (item :tag "undisplayed" :value undisplayed)
1040 (item :tag "undisplayed or alternative"
1041 :value undisplayed-alternative)
1044 (defcustom gnus-mime-action-alist
1045 '(("save to file" . gnus-mime-save-part)
1046 ("save and strip" . gnus-mime-save-part-and-strip)
1047 ("replace with file" . gnus-mime-replace-part)
1048 ("delete part" . gnus-mime-delete-part)
1049 ("display as text" . gnus-mime-inline-part)
1050 ("view the part" . gnus-mime-view-part)
1051 ("pipe to command" . gnus-mime-pipe-part)
1052 ("toggle display" . gnus-article-press-button)
1053 ("toggle display" . gnus-article-view-part-as-charset)
1054 ("view as type" . gnus-mime-view-part-as-type)
1055 ("view internally" . gnus-mime-view-part-internally)
1056 ("view externally" . gnus-mime-view-part-externally))
1057 "An alist of actions that run on the MIME attachment."
1058 :group 'gnus-article-mime
1059 :type '(repeat (cons (string :tag "name")
1062 (defcustom gnus-auto-select-part 1
1063 "Advance to next MIME part when deleting or stripping parts.
1065 When 0, point will be placed on the same part as before. When
1066 positive (negative), move point forward (backwards) this many
1067 parts. When nil, redisplay article."
1068 :version "23.1" ;; No Gnus
1069 :group 'gnus-article-mime
1070 :type '(choice (const nil :tag "Redisplay article.")
1071 (const 1 :tag "Next part.")
1072 (const 0 :tag "Current part.")
1076 ;;; The treatment variables
1079 (defvar gnus-part-display-hook nil
1080 "Hook called on parts that are to receive treatment.")
1082 (defvar gnus-article-treat-custom
1083 '(choice (const :tag "Off" nil)
1085 (const :tag "Header" head)
1086 (const :tag "First" first)
1087 (const :tag "Last" last)
1088 (integer :tag "Less")
1089 (repeat :tag "Groups" regexp)
1090 (sexp :tag "Predicate")))
1092 (defvar gnus-article-treat-head-custom
1093 '(choice (const :tag "Off" nil)
1094 (const :tag "Header" head)))
1096 (defvar gnus-article-treat-types '("text/plain" "text/x-verbatim"
1100 (defvar gnus-inhibit-treatment nil
1101 "Whether to inhibit treatment.")
1103 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
1104 "Highlight the signature.
1105 Valid values are nil, t, `head', `first', `last', an integer or a
1106 predicate. See Info node `(gnus)Customizing Articles'."
1107 :group 'gnus-article-treat
1108 :link '(custom-manual "(gnus)Customizing Articles")
1109 :type gnus-article-treat-custom)
1110 (put 'gnus-treat-highlight-signature 'highlight t)
1112 (defcustom gnus-treat-buttonize 100000
1114 Valid values are nil, t, `head', `first', `last', an integer or a
1115 predicate. See Info node `(gnus)Customizing Articles'."
1116 :group 'gnus-article-treat
1117 :link '(custom-manual "(gnus)Customizing Articles")
1118 :type gnus-article-treat-custom)
1119 (put 'gnus-treat-buttonize 'highlight t)
1121 (defcustom gnus-treat-buttonize-head 'head
1122 "Add buttons to the head.
1123 Valid values are nil, t, `head', `first', `last', an integer or a
1124 predicate. See Info node `(gnus)Customizing Articles'."
1125 :group 'gnus-article-treat
1126 :link '(custom-manual "(gnus)Customizing Articles")
1127 :type gnus-article-treat-head-custom)
1128 (put 'gnus-treat-buttonize-head 'highlight t)
1130 (defcustom gnus-treat-emphasize 50000
1132 Valid values are nil, t, `head', `first', `last', an integer or a
1133 predicate. See Info node `(gnus)Customizing Articles'."
1134 :group 'gnus-article-treat
1135 :link '(custom-manual "(gnus)Customizing Articles")
1136 :type gnus-article-treat-custom)
1137 (put 'gnus-treat-emphasize 'highlight t)
1139 (defcustom gnus-treat-strip-cr nil
1140 "Remove carriage returns.
1141 Valid values are nil, t, `head', `first', `last', an integer or a
1142 predicate. See Info node `(gnus)Customizing Articles'."
1144 :group 'gnus-article-treat
1145 :link '(custom-manual "(gnus)Customizing Articles")
1146 :type gnus-article-treat-custom)
1148 (defcustom gnus-treat-unsplit-urls nil
1149 "Remove newlines from within URLs.
1150 Valid values are nil, t, `head', `first', `last', an integer or a
1151 predicate. See Info node `(gnus)Customizing Articles'."
1153 :group 'gnus-article-treat
1154 :link '(custom-manual "(gnus)Customizing Articles")
1155 :type gnus-article-treat-custom)
1157 (defcustom gnus-treat-leading-whitespace nil
1158 "Remove leading whitespace in headers.
1159 Valid values are nil, t, `head', `first', `last', an integer or a
1160 predicate. See Info node `(gnus)Customizing Articles'."
1162 :group 'gnus-article-treat
1163 :link '(custom-manual "(gnus)Customizing Articles")
1164 :type gnus-article-treat-custom)
1166 (defcustom gnus-treat-hide-headers 'head
1168 Valid values are nil, t, `head', `first', `last', an integer or a
1169 predicate. See Info node `(gnus)Customizing Articles'."
1170 :group 'gnus-article-treat
1171 :link '(custom-manual "(gnus)Customizing Articles")
1172 :type gnus-article-treat-head-custom)
1174 (defcustom gnus-treat-hide-boring-headers nil
1175 "Hide boring headers.
1176 Valid values are nil, t, `head', `first', `last', an integer or a
1177 predicate. See Info node `(gnus)Customizing Articles'."
1178 :group 'gnus-article-treat
1179 :link '(custom-manual "(gnus)Customizing Articles")
1180 :type gnus-article-treat-head-custom)
1182 (defcustom gnus-treat-hide-signature nil
1183 "Hide the signature.
1184 Valid values are nil, t, `head', `first', `last', an integer or a
1185 predicate. See Info node `(gnus)Customizing Articles'."
1186 :group 'gnus-article-treat
1187 :link '(custom-manual "(gnus)Customizing Articles")
1188 :type gnus-article-treat-custom)
1190 (defcustom gnus-treat-fill-article nil
1192 Valid values are nil, t, `head', `first', `last', an integer or a
1193 predicate. See Info node `(gnus)Customizing Articles'."
1194 :group 'gnus-article-treat
1195 :link '(custom-manual "(gnus)Customizing Articles")
1196 :type gnus-article-treat-custom)
1198 (defcustom gnus-treat-hide-citation nil
1200 Valid values are nil, t, `head', `first', `last', an integer or a
1201 predicate. See Info node `(gnus)Customizing Articles'."
1202 :group 'gnus-article-treat
1203 :link '(custom-manual "(gnus)Customizing Articles")
1204 :type gnus-article-treat-custom)
1206 (defcustom gnus-treat-hide-citation-maybe nil
1208 Valid values are nil, t, `head', `first', `last', an integer or a
1209 predicate. See Info node `(gnus)Customizing Articles'."
1210 :group 'gnus-article-treat
1211 :link '(custom-manual "(gnus)Customizing Articles")
1212 :type gnus-article-treat-custom)
1214 (defcustom gnus-treat-strip-list-identifiers 'head
1215 "Strip list identifiers from `gnus-list-identifiers`.
1216 Valid values are nil, t, `head', `first', `last', an integer or a
1217 predicate. See Info node `(gnus)Customizing Articles'."
1219 :group 'gnus-article-treat
1220 :link '(custom-manual "(gnus)Customizing Articles")
1221 :type gnus-article-treat-custom)
1223 (make-obsolete-variable 'gnus-treat-strip-pgp nil
1224 "Gnus 5.10 (Emacs 22.1)")
1226 (defcustom gnus-treat-strip-pem nil
1227 "Strip PEM signatures.
1228 Valid values are nil, t, `head', `first', `last', an integer or a
1229 predicate. See Info node `(gnus)Customizing Articles'."
1230 :group 'gnus-article-treat
1231 :link '(custom-manual "(gnus)Customizing Articles")
1232 :type gnus-article-treat-custom)
1234 (defcustom gnus-treat-strip-banner t
1235 "Strip banners from articles.
1236 The banner to be stripped is specified in the `banner' group parameter.
1237 Valid values are nil, t, `head', `first', `last', an integer or a
1238 predicate. See Info node `(gnus)Customizing Articles'."
1239 :group 'gnus-article-treat
1240 :link '(custom-manual "(gnus)Customizing Articles")
1241 :type gnus-article-treat-custom)
1243 (defcustom gnus-treat-highlight-headers 'head
1244 "Highlight the headers.
1245 Valid values are nil, t, `head', `first', `last', an integer or a
1246 predicate. See Info node `(gnus)Customizing Articles'."
1247 :group 'gnus-article-treat
1248 :link '(custom-manual "(gnus)Customizing Articles")
1249 :type gnus-article-treat-head-custom)
1250 (put 'gnus-treat-highlight-headers 'highlight t)
1252 (defcustom gnus-treat-highlight-citation t
1253 "Highlight cited text.
1254 Valid values are nil, t, `head', `first', `last', an integer or a
1255 predicate. See Info node `(gnus)Customizing Articles'."
1256 :group 'gnus-article-treat
1257 :link '(custom-manual "(gnus)Customizing Articles")
1258 :type gnus-article-treat-custom)
1259 (put 'gnus-treat-highlight-citation 'highlight t)
1261 (defcustom gnus-treat-date-ut nil
1262 "Display the Date in UT (GMT).
1263 Valid values are nil, t, `head', `first', `last', an integer or a
1264 predicate. See Info node `(gnus)Customizing Articles'."
1265 :group 'gnus-article-treat
1266 :link '(custom-manual "(gnus)Customizing Articles")
1267 :type gnus-article-treat-head-custom)
1269 (defcustom gnus-treat-date-local nil
1270 "Display the Date in the local timezone.
1271 Valid values are nil, t, `head', `first', `last', an integer or a
1272 predicate. See Info node `(gnus)Customizing Articles'."
1273 :group 'gnus-article-treat
1274 :link '(custom-manual "(gnus)Customizing Articles")
1275 :type gnus-article-treat-head-custom)
1277 (defcustom gnus-treat-date-english nil
1278 "Display the Date in a format that can be read aloud in English.
1279 Valid values are nil, t, `head', `first', `last', an integer or a
1280 predicate. See Info node `(gnus)Customizing Articles'."
1282 :group 'gnus-article-treat
1283 :link '(custom-manual "(gnus)Customizing Articles")
1284 :type gnus-article-treat-head-custom)
1286 (defcustom gnus-treat-date-lapsed nil
1287 "Display the Date header in a way that says how much time has elapsed.
1288 Valid values are nil, t, `head', `first', `last', an integer or a
1289 predicate. See Info node `(gnus)Customizing Articles'."
1290 :group 'gnus-article-treat
1291 :link '(custom-manual "(gnus)Customizing Articles")
1292 :type gnus-article-treat-head-custom)
1294 (defcustom gnus-treat-date-original nil
1295 "Display the date in the original timezone.
1296 Valid values are nil, t, `head', `first', `last', an integer or a
1297 predicate. See Info node `(gnus)Customizing Articles'."
1298 :group 'gnus-article-treat
1299 :link '(custom-manual "(gnus)Customizing Articles")
1300 :type gnus-article-treat-head-custom)
1302 (defcustom gnus-treat-date-iso8601 nil
1303 "Display the date in the ISO8601 format.
1304 Valid values are nil, t, `head', `first', `last', an integer or a
1305 predicate. See Info node `(gnus)Customizing Articles'."
1307 :group 'gnus-article-treat
1308 :link '(custom-manual "(gnus)Customizing Articles")
1309 :type gnus-article-treat-head-custom)
1311 (defcustom gnus-treat-date-user-defined nil
1312 "Display the date in a user-defined format.
1313 The format is defined by the `gnus-article-time-format' variable.
1314 Valid values are nil, t, `head', `first', `last', an integer or a
1315 predicate. See Info node `(gnus)Customizing Articles'."
1316 :group 'gnus-article-treat
1317 :link '(custom-manual "(gnus)Customizing Articles")
1318 :type gnus-article-treat-head-custom)
1320 (defcustom gnus-treat-strip-headers-in-body t
1321 "Strip the X-No-Archive header line from the beginning of the body.
1322 Valid values are nil, t, `head', `first', `last', an integer or a
1323 predicate. See Info node `(gnus)Customizing Articles'."
1325 :group 'gnus-article-treat
1326 :link '(custom-manual "(gnus)Customizing Articles")
1327 :type gnus-article-treat-custom)
1329 (defcustom gnus-treat-strip-trailing-blank-lines nil
1330 "Strip trailing blank lines.
1331 Valid values are nil, t, `head', `first', `last', an integer or a
1332 predicate. See Info node `(gnus)Customizing Articles'.
1334 When set to t, it also strips trailing blanks in all MIME parts.
1335 Consider to use `last' instead."
1336 :group 'gnus-article-treat
1337 :link '(custom-manual "(gnus)Customizing Articles")
1338 :type gnus-article-treat-custom)
1340 (defcustom gnus-treat-strip-leading-blank-lines nil
1341 "Strip leading blank lines.
1342 Valid values are nil, t, `head', `first', `last', an integer or a
1343 predicate. See Info node `(gnus)Customizing Articles'.
1345 When set to t, it also strips trailing blanks in all MIME parts."
1346 :group 'gnus-article-treat
1347 :link '(custom-manual "(gnus)Customizing Articles")
1348 :type gnus-article-treat-custom)
1350 (defcustom gnus-treat-strip-multiple-blank-lines nil
1351 "Strip multiple blank lines.
1352 Valid values are nil, t, `head', `first', `last', an integer or a
1353 predicate. See Info node `(gnus)Customizing Articles'."
1354 :group 'gnus-article-treat
1355 :link '(custom-manual "(gnus)Customizing Articles")
1356 :type gnus-article-treat-custom)
1358 (defcustom gnus-treat-unfold-headers 'head
1359 "Unfold folded header lines.
1360 Valid values are nil, t, `head', `first', `last', an integer or a
1361 predicate. See Info node `(gnus)Customizing Articles'."
1363 :group 'gnus-article-treat
1364 :link '(custom-manual "(gnus)Customizing Articles")
1365 :type gnus-article-treat-custom)
1367 (defcustom gnus-article-unfold-long-headers nil
1368 "If non-nil, allow unfolding headers even if the header is long.
1369 If it is a regexp, only long headers matching this regexp are unfolded.
1370 If it is t, all long headers are unfolded.
1372 This variable has no effect if `gnus-treat-unfold-headers' is nil."
1373 :version "23.1" ;; No Gnus
1374 :group 'gnus-article-treat
1375 :type '(choice (const nil)
1376 (const :tag "all" t)
1379 (defcustom gnus-treat-fold-headers nil
1381 Valid values are nil, t, `head', `first', `last', an integer or a
1382 predicate. See Info node `(gnus)Customizing Articles'."
1384 :group 'gnus-article-treat
1385 :link '(custom-manual "(gnus)Customizing Articles")
1386 :type gnus-article-treat-custom)
1388 (defcustom gnus-treat-fold-newsgroups 'head
1389 "Fold the Newsgroups and Followup-To headers.
1390 Valid values are nil, t, `head', `first', `last', an integer or a
1391 predicate. See Info node `(gnus)Customizing Articles'."
1393 :group 'gnus-article-treat
1394 :link '(custom-manual "(gnus)Customizing Articles")
1395 :type gnus-article-treat-custom)
1397 (defcustom gnus-treat-overstrike t
1398 "Treat overstrike highlighting.
1399 Valid values are nil, t, `head', `first', `last', an integer or a
1400 predicate. See Info node `(gnus)Customizing Articles'."
1401 :group 'gnus-article-treat
1402 :link '(custom-manual "(gnus)Customizing Articles")
1403 :type gnus-article-treat-custom)
1404 (put 'gnus-treat-overstrike 'highlight t)
1406 (defcustom gnus-treat-ansi-sequences (if (locate-library "ansi-color") t)
1407 "Treat ANSI SGR control sequences.
1408 Valid values are nil, t, `head', `first', `last', an integer or a
1409 predicate. See Info node `(gnus)Customizing Articles'."
1410 :group 'gnus-article-treat
1411 :link '(custom-manual "(gnus)Customizing Articles")
1412 :type gnus-article-treat-custom)
1414 (make-obsolete-variable 'gnus-treat-display-xface
1415 'gnus-treat-display-x-face "Emacs 22.1")
1417 (defcustom gnus-treat-display-x-face
1418 (and (not noninteractive)
1419 (gnus-image-type-available-p 'xbm)
1420 (if (featurep 'xemacs)
1423 (and (string-match "^0x" (shell-command-to-string "uncompface"))
1424 (executable-find "icontopbm"))
1425 ;; shell-command-to-string may signal an error, e.g. if
1426 ;; shell-file-name is not found.
1429 "Display X-Face headers.
1430 Valid values are nil and `head'.
1431 See Info node `(gnus)Customizing Articles' and Info node
1432 `(gnus)X-Face' for details."
1433 :group 'gnus-article-treat
1435 :link '(custom-manual "(gnus)Customizing Articles")
1436 :link '(custom-manual "(gnus)X-Face")
1437 :type gnus-article-treat-head-custom
1438 :set (lambda (symbol value)
1441 (cond ((or (boundp symbol) (get symbol 'saved-value))
1443 ((boundp 'gnus-treat-display-xface)
1445 ** gnus-treat-display-xface is an obsolete variable;\
1446 use gnus-treat-display-x-face instead")
1447 (default-value 'gnus-treat-display-xface))
1448 ((get 'gnus-treat-display-xface 'saved-value)
1450 ** gnus-treat-display-xface is an obsolete variable;\
1451 use gnus-treat-display-x-face instead")
1452 (eval (car (get 'gnus-treat-display-xface 'saved-value))))
1455 (put 'gnus-treat-display-x-face 'highlight t)
1457 (defcustom gnus-treat-display-face
1458 (and (not noninteractive)
1459 (gnus-image-type-available-p 'png)
1461 "Display Face headers.
1462 Valid values are nil, t, `head', `first', `last', an integer or a
1463 predicate. See Info node `(gnus)Customizing Articles' and Info
1464 node `(gnus)Face' for details."
1465 :group 'gnus-article-treat
1467 :link '(custom-manual "(gnus)Customizing Articles")
1468 :link '(custom-manual "(gnus)X-Face")
1469 :type gnus-article-treat-head-custom)
1470 (put 'gnus-treat-display-face 'highlight t)
1472 (defcustom gnus-treat-display-smileys (gnus-image-type-available-p 'xpm)
1474 Valid values are nil, t, `head', `first', `last', an integer or a
1475 predicate. See Info node `(gnus)Customizing Articles' and Info
1476 node `(gnus)Smileys' for details."
1477 :group 'gnus-article-treat
1479 :link '(custom-manual "(gnus)Customizing Articles")
1480 :link '(custom-manual "(gnus)Smileys")
1481 :type gnus-article-treat-custom)
1482 (put 'gnus-treat-display-smileys 'highlight t)
1484 (defcustom gnus-treat-from-picon
1485 (if (and (gnus-image-type-available-p 'xpm)
1486 (gnus-picons-installed-p))
1488 "Display picons in the From header.
1489 Valid values are nil, t, `head', `first', `last', an integer or a
1490 predicate. See Info node `(gnus)Customizing Articles' and Info
1491 node `(gnus)Picons' for details."
1493 :group 'gnus-article-treat
1495 :link '(custom-manual "(gnus)Customizing Articles")
1496 :link '(custom-manual "(gnus)Picons")
1497 :type gnus-article-treat-head-custom)
1498 (put 'gnus-treat-from-picon 'highlight t)
1500 (defcustom gnus-treat-mail-picon
1501 (if (and (gnus-image-type-available-p 'xpm)
1502 (gnus-picons-installed-p))
1504 "Display picons in To and Cc headers.
1505 Valid values are nil, t, `head', `first', `last', an integer or a
1506 predicate. See Info node `(gnus)Customizing Articles' and Info
1507 node `(gnus)Picons' for details."
1509 :group 'gnus-article-treat
1511 :link '(custom-manual "(gnus)Customizing Articles")
1512 :link '(custom-manual "(gnus)Picons")
1513 :type gnus-article-treat-head-custom)
1514 (put 'gnus-treat-mail-picon 'highlight t)
1516 (defcustom gnus-treat-newsgroups-picon
1517 (if (and (gnus-image-type-available-p 'xpm)
1518 (gnus-picons-installed-p))
1520 "Display picons in the Newsgroups and Followup-To headers.
1521 Valid values are nil, t, `head', `first', `last', an integer or a
1522 predicate. See Info node `(gnus)Customizing Articles' and Info
1523 node `(gnus)Picons' for details."
1525 :group 'gnus-article-treat
1527 :link '(custom-manual "(gnus)Customizing Articles")
1528 :link '(custom-manual "(gnus)Picons")
1529 :type gnus-article-treat-head-custom)
1530 (put 'gnus-treat-newsgroups-picon 'highlight t)
1532 (defcustom gnus-treat-from-gravatar nil
1533 "Display gravatars in the From header.
1534 Valid values are nil, t, `head', `first', `last', an integer or a
1535 predicate. See Info node `(gnus)Customizing Articles' and Info
1536 node `(gnus)Gravatars' for details."
1538 :group 'gnus-article-treat
1539 :group 'gnus-gravatar
1540 :link '(custom-manual "(gnus)Customizing Articles")
1541 :link '(custom-manual "(gnus)Gravatars")
1542 :type gnus-article-treat-head-custom)
1543 (put 'gnus-treat-from-gravatar 'highlight t)
1545 (defcustom gnus-treat-mail-gravatar nil
1546 "Display gravatars in To and Cc headers.
1547 Valid values are nil, t, `head', `first', `last', an integer or a
1548 predicate. See Info node `(gnus)Customizing Articles' and Info
1549 node `(gnus)Gravatars' for details."
1551 :group 'gnus-article-treat
1552 :group 'gnus-gravatar
1553 :link '(custom-manual "(gnus)Customizing Articles")
1554 :link '(custom-manual "(gnus)Gravatars")
1555 :type gnus-article-treat-head-custom)
1556 (put 'gnus-treat-mail-gravatar 'highlight t)
1558 (defcustom gnus-treat-body-boundary
1559 (if (or gnus-treat-newsgroups-picon
1560 gnus-treat-mail-picon
1561 gnus-treat-from-picon
1562 gnus-treat-from-gravatar
1563 gnus-treat-mail-gravatar)
1564 ;; If there's much decoration, the user might prefer a boundery.
1567 "Draw a boundary at the end of the headers.
1568 Valid values are nil and `head'.
1569 See Info node `(gnus)Customizing Articles' for details."
1571 :group 'gnus-article-treat
1572 :link '(custom-manual "(gnus)Customizing Articles")
1573 :type gnus-article-treat-head-custom)
1575 (defcustom gnus-treat-capitalize-sentences nil
1576 "Capitalize sentence-starting words.
1577 Valid values are nil, t, `head', `first', `last', an integer or a
1578 predicate. See Info node `(gnus)Customizing Articles'."
1580 :group 'gnus-article-treat
1581 :link '(custom-manual "(gnus)Customizing Articles")
1582 :type gnus-article-treat-custom)
1584 (defcustom gnus-treat-wash-html nil
1586 Valid values are nil, t, `head', `first', `last', an integer or a
1587 predicate. See Info node `(gnus)Customizing Articles'."
1589 :group 'gnus-article-treat
1590 :link '(custom-manual "(gnus)Customizing Articles")
1591 :type gnus-article-treat-custom)
1593 (defcustom gnus-treat-fill-long-lines '(typep "text/plain")
1595 Valid values are nil, t, `head', `first', `last', an integer or a
1596 predicate. See Info node `(gnus)Customizing Articles'."
1598 :group 'gnus-article-treat
1599 :link '(custom-manual "(gnus)Customizing Articles")
1600 :type gnus-article-treat-custom)
1602 (defcustom gnus-treat-x-pgp-sig nil
1604 To automatically treat X-PGP-Sig, set it to head.
1605 Valid values are nil, t, `head', `first', `last', an integer or a
1606 predicate. See Info node `(gnus)Customizing Articles'."
1608 :group 'gnus-article-treat
1609 :group 'mime-security
1610 :link '(custom-manual "(gnus)Customizing Articles")
1611 :type gnus-article-treat-custom)
1613 (defvar gnus-article-encrypt-protocol-alist
1614 '(("PGP" . mml2015-self-encrypt)))
1616 ;; Set to nil if more than one protocol added to
1617 ;; gnus-article-encrypt-protocol-alist.
1618 (defcustom gnus-article-encrypt-protocol "PGP"
1619 "The protocol used for encrypt articles.
1620 It is a string, such as \"PGP\". If nil, ask user."
1623 :group 'mime-security)
1625 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1626 (mm-coding-system-p 'utf-8)
1627 (executable-find idna-program))
1628 "Whether IDNA decoding of headers is used when viewing messages.
1629 This requires GNU Libidn, and by default only enabled if it is found."
1631 :group 'gnus-article-headers
1634 (defcustom gnus-article-over-scroll nil
1635 "If non-nil, allow scrolling the article buffer even when there no more text."
1637 :group 'gnus-article
1640 (defcustom gnus-inhibit-images nil
1641 "Non-nil means inhibit displaying of images inline in the article body."
1643 :group 'gnus-article
1646 (defcustom gnus-blocked-images 'gnus-block-private-groups
1647 "Images that have URLs matching this regexp will be blocked.
1648 This can also be a function to be evaluated. If so, it will be
1649 called with the group name as the parameter, and should return a
1655 ;;; Internal variables
1657 (defvar gnus-english-month-names
1658 '("January" "February" "March" "April" "May" "June" "July" "August"
1659 "September" "October" "November" "December"))
1661 (defvar article-goto-body-goes-to-point-min-p nil)
1662 (defvar gnus-article-wash-types nil)
1663 (defvar gnus-article-emphasis-alist nil)
1664 (defvar gnus-article-image-alist nil)
1666 (defvar gnus-article-mime-handle-alist-1 nil)
1667 (defvar gnus-treatment-function-alist
1668 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1669 (gnus-treat-strip-banner gnus-article-strip-banner)
1670 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1671 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1672 (gnus-treat-buttonize gnus-article-add-buttons)
1673 (gnus-treat-fill-article gnus-article-fill-cited-article)
1674 (gnus-treat-fill-long-lines gnus-article-fill-cited-long-lines)
1675 (gnus-treat-strip-cr gnus-article-remove-cr)
1676 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1677 (gnus-treat-date-ut gnus-article-date-ut)
1678 (gnus-treat-date-local gnus-article-date-local)
1679 (gnus-treat-date-english gnus-article-date-english)
1680 (gnus-treat-date-original gnus-article-date-original)
1681 (gnus-treat-date-user-defined gnus-article-date-user)
1682 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1683 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1684 (gnus-treat-display-x-face gnus-article-display-x-face)
1685 (gnus-treat-display-face gnus-article-display-face)
1686 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1687 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1688 (gnus-treat-hide-signature gnus-article-hide-signature)
1689 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1690 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1691 (gnus-treat-from-picon gnus-treat-from-picon)
1692 (gnus-treat-mail-picon gnus-treat-mail-picon)
1693 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1694 (gnus-treat-strip-pem gnus-article-hide-pem)
1695 (gnus-treat-from-gravatar gnus-treat-from-gravatar)
1696 (gnus-treat-mail-gravatar gnus-treat-mail-gravatar)
1697 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1698 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1699 (gnus-treat-strip-trailing-blank-lines
1700 gnus-article-remove-trailing-blank-lines)
1701 (gnus-treat-strip-leading-blank-lines
1702 gnus-article-strip-leading-blank-lines)
1703 (gnus-treat-strip-multiple-blank-lines
1704 gnus-article-strip-multiple-blank-lines)
1705 (gnus-treat-overstrike gnus-article-treat-overstrike)
1706 (gnus-treat-ansi-sequences gnus-article-treat-ansi-sequences)
1707 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1708 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1709 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1710 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1711 (gnus-treat-display-smileys gnus-treat-smiley)
1712 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1713 (gnus-treat-wash-html gnus-article-wash-html)
1714 (gnus-treat-emphasize gnus-article-emphasize)
1715 (gnus-treat-hide-citation gnus-article-hide-citation)
1716 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1717 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1718 (gnus-treat-body-boundary gnus-article-treat-body-boundary)))
1720 (defvar gnus-article-mime-handle-alist nil)
1721 (defvar article-lapsed-timer nil)
1722 (defvar gnus-article-current-summary nil)
1724 (defvar gnus-article-mode-syntax-table
1725 (let ((table (copy-syntax-table text-mode-syntax-table)))
1726 ;; This causes the citation match run O(2^n).
1727 ;; (modify-syntax-entry ?- "w" table)
1728 (modify-syntax-entry ?> ")<" table)
1729 (modify-syntax-entry ?< "(>" table)
1730 ;; make M-. in article buffers work for `foo' strings
1731 (modify-syntax-entry ?' " " table)
1732 (modify-syntax-entry ?` " " table)
1734 "Syntax table used in article mode buffers.
1735 Initialized from `text-mode-syntax-table.")
1737 (defvar gnus-save-article-buffer nil)
1739 (defvar gnus-number-of-articles-to-be-saved nil)
1741 (defvar gnus-inhibit-hiding nil)
1743 (defvar gnus-article-edit-mode nil)
1745 ;;; Macros for dealing with the article buffer.
1747 (defmacro gnus-with-article-headers (&rest forms)
1748 `(with-current-buffer gnus-article-buffer
1750 (let ((inhibit-read-only t)
1751 (inhibit-point-motion-hooks t)
1752 (case-fold-search t))
1753 (article-narrow-to-head)
1756 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1757 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1759 (defmacro gnus-with-article-buffer (&rest forms)
1760 `(with-current-buffer gnus-article-buffer
1761 (let ((inhibit-read-only t))
1764 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1765 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1767 (defun gnus-article-goto-header (header)
1768 "Go to HEADER, which is a regular expression."
1769 (re-search-forward (concat "^\\(" header "\\):") nil t))
1771 (defsubst gnus-article-hide-text (b e props)
1772 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1773 (gnus-add-text-properties-when 'article-type nil b e props)
1774 (when (memq 'intangible props)
1776 (max (1- b) (point-min))
1777 b 'intangible (cddr (memq 'intangible props)))))
1779 (defsubst gnus-article-unhide-text (b e)
1780 "Remove hidden text properties from region between B and E."
1781 (remove-text-properties b e gnus-hidden-properties)
1782 (when (memq 'intangible gnus-hidden-properties)
1783 (put-text-property (max (1- b) (point-min))
1784 b 'intangible nil)))
1786 (defun gnus-article-hide-text-type (b e type)
1787 "Hide text of TYPE between B and E."
1788 (gnus-add-wash-type type)
1789 (gnus-article-hide-text
1790 b e (cons 'article-type (cons type gnus-hidden-properties))))
1792 (defun gnus-article-unhide-text-type (b e type)
1793 "Unhide text of TYPE between B and E."
1794 (gnus-delete-wash-type type)
1795 (remove-text-properties
1796 b e (cons 'article-type (cons type gnus-hidden-properties)))
1797 (when (memq 'intangible gnus-hidden-properties)
1798 (put-text-property (max (1- b) (point-min))
1799 b 'intangible nil)))
1801 (defun gnus-article-hide-text-of-type (type)
1802 "Hide text of TYPE in the current buffer."
1804 (let ((b (point-min))
1806 (while (setq b (text-property-any b e 'article-type type))
1807 (add-text-properties b (incf b) gnus-hidden-properties)))))
1809 (defun gnus-article-delete-text-of-type (type)
1810 "Delete text of TYPE in the current buffer."
1812 (let ((b (point-min)))
1813 (if (eq type 'multipart)
1814 ;; Remove MIME buttons associated with multipart/alternative parts.
1817 (while (if (get-text-property (point) 'gnus-part)
1819 (when (setq b (next-single-property-change (point)
1824 (skip-chars-forward "\n")
1825 (when (eq (get-text-property b 'article-type) 'multipart)
1826 (delete-region b (point)))))
1827 (while (setq b (text-property-any b (point-max) 'article-type type))
1829 b (or (text-property-not-all b (point-max) 'article-type type)
1832 (defun gnus-article-delete-invisible-text ()
1833 "Delete all invisible text in the current buffer."
1835 (let ((b (point-min)))
1836 (while (setq b (text-property-any b (point-max) 'invisible t))
1838 b (or (text-property-not-all b (point-max) 'invisible t)
1841 (defun gnus-article-text-type-exists-p (type)
1842 "Say whether any text of type TYPE exists in the buffer."
1843 (text-property-any (point-min) (point-max) 'article-type type))
1845 (defsubst gnus-article-header-rank ()
1846 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1847 (let ((list gnus-sorted-header-list)
1850 (if (looking-at (car list))
1852 (setq list (cdr list))
1856 (defun article-hide-headers (&optional arg delete)
1857 "Hide unwanted headers and possibly sort them as well."
1859 ;; This function might be inhibited.
1860 (unless gnus-inhibit-hiding
1861 (let ((inhibit-read-only t)
1862 (case-fold-search t)
1863 (max (1+ (length gnus-sorted-header-list)))
1864 (inhibit-point-motion-hooks t)
1865 (cur (current-buffer))
1866 ignored visible beg)
1868 ;; `gnus-ignored-headers' and `gnus-visible-headers' may be
1869 ;; group parameters, so we should go to the summary buffer.
1872 (progn (set-buffer gnus-summary-buffer) t)
1874 (setq ignored (when (not gnus-visible-headers)
1875 (cond ((stringp gnus-ignored-headers)
1876 gnus-ignored-headers)
1877 ((listp gnus-ignored-headers)
1878 (mapconcat 'identity
1879 gnus-ignored-headers
1881 visible (cond ((stringp gnus-visible-headers)
1882 gnus-visible-headers)
1883 ((and gnus-visible-headers
1884 (listp gnus-visible-headers))
1885 (mapconcat 'identity
1886 gnus-visible-headers
1890 ;; First we narrow to just the headers.
1891 (article-narrow-to-head)
1892 ;; Hide any "From " lines at the beginning of (mail) articles.
1893 (while (looking-at "From ")
1896 (delete-region (point-min) (point)))
1897 ;; Then treat the rest of the header lines.
1898 ;; Then we use the two regular expressions
1899 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1900 ;; select which header lines is to remain visible in the
1902 (while (re-search-forward "^[^ \t:]*:" nil t)
1904 ;; Mark the rank of the header.
1906 (point) (1+ (point)) 'message-rank
1907 (if (or (and visible (looking-at visible))
1909 (not (looking-at ignored))))
1910 (gnus-article-header-rank)
1913 (message-sort-headers-1)
1914 (when (setq beg (text-property-any
1915 (point-min) (point-max) 'message-rank (+ 2 max)))
1916 ;; We delete the unwanted headers.
1917 (gnus-add-wash-type 'headers)
1918 (add-text-properties (point-min) (+ 5 (point-min))
1919 '(article-type headers dummy-invisible t))
1920 (delete-region beg (point-max))))))))
1922 (defun article-hide-boring-headers (&optional arg)
1923 "Toggle hiding of headers that aren't very interesting.
1924 If given a negative prefix, always show; if given a positive prefix,
1926 (interactive (gnus-article-hidden-arg))
1927 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1928 (not gnus-show-all-headers))
1931 (let ((inhibit-read-only t)
1932 (inhibit-point-motion-hooks t))
1933 (article-narrow-to-head)
1934 (dolist (elem gnus-boring-article-headers)
1935 (goto-char (point-min))
1937 ;; Hide empty headers.
1939 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1941 (gnus-article-hide-text-type
1945 (if (re-search-forward "^[^ \t]" nil t)
1949 ;; Hide boring Newsgroups header.
1950 ((eq elem 'newsgroups)
1951 (when (gnus-string-equal
1952 (gnus-fetch-field "newsgroups")
1953 (gnus-group-real-name
1954 (if (boundp 'gnus-newsgroup-name)
1957 (gnus-article-hide-header "newsgroups")))
1958 ((eq elem 'to-address)
1959 (let ((to (message-fetch-field "to"))
1961 (gnus-parameter-to-address
1962 (if (boundp 'gnus-newsgroup-name)
1963 gnus-newsgroup-name ""))))
1964 (when (and to to-address
1967 ;; only one address in To
1968 (nth 1 (mail-extract-address-components to))
1970 (gnus-article-hide-header "to"))))
1972 (let ((to (message-fetch-field "to"))
1974 (gnus-parameter-to-list
1975 (if (boundp 'gnus-newsgroup-name)
1976 gnus-newsgroup-name ""))))
1977 (when (and to to-list
1980 ;; only one address in To
1981 (nth 1 (mail-extract-address-components to))
1983 (gnus-article-hide-header "to"))))
1985 (let ((cc (message-fetch-field "cc"))
1987 (gnus-parameter-to-list
1988 (if (boundp 'gnus-newsgroup-name)
1989 gnus-newsgroup-name ""))))
1990 (when (and cc to-list
1993 ;; only one address in CC
1994 (nth 1 (mail-extract-address-components cc))
1996 (gnus-article-hide-header "cc"))))
1997 ((eq elem 'followup-to)
1998 (when (gnus-string-equal
1999 (message-fetch-field "followup-to")
2000 (message-fetch-field "newsgroups"))
2001 (gnus-article-hide-header "followup-to")))
2002 ((eq elem 'reply-to)
2003 (if (gnus-group-find-parameter
2004 gnus-newsgroup-name 'broken-reply-to)
2005 (gnus-article-hide-header "reply-to")
2006 (let ((from (message-fetch-field "from"))
2007 (reply-to (message-fetch-field "reply-to")))
2014 (lambda (x) (downcase (cadr x)))
2015 (mail-extract-address-components from t))
2018 (lambda (x) (downcase (cadr x)))
2019 (mail-extract-address-components reply-to t))
2021 (gnus-article-hide-header "reply-to")))))
2023 (let ((date (with-current-buffer gnus-original-article-buffer
2024 ;; If date in `gnus-article-buffer' is localized
2025 ;; (`gnus-treat-date-user-defined'),
2026 ;; `days-between' might fail.
2027 (message-fetch-field "date"))))
2029 (< (days-between (current-time-string) date)
2031 (gnus-article-hide-header "date"))))
2033 (let ((to (message-fetch-field "to"))
2034 (cc (message-fetch-field "cc")))
2035 (when (> (length to) 1024)
2036 (gnus-article-hide-header "to"))
2037 (when (> (length cc) 1024)
2038 (gnus-article-hide-header "cc"))))
2042 (goto-char (point-min))
2043 (while (re-search-forward "^to:" nil t)
2044 (setq to-count (1+ to-count)))
2045 (when (> to-count 1)
2046 (while (> to-count 0)
2047 (goto-char (point-min))
2049 (re-search-forward "^to:" nil nil to-count)
2051 (narrow-to-region (point) (point-max))
2052 (gnus-article-hide-header "to"))
2053 (setq to-count (1- to-count))))
2054 (goto-char (point-min))
2055 (while (re-search-forward "^cc:" nil t)
2056 (setq cc-count (1+ cc-count)))
2057 (when (> cc-count 1)
2058 (while (> cc-count 0)
2059 (goto-char (point-min))
2061 (re-search-forward "^cc:" nil nil cc-count)
2063 (narrow-to-region (point) (point-max))
2064 (gnus-article-hide-header "cc"))
2065 (setq cc-count (1- cc-count)))))))))))))
2067 (defun gnus-article-hide-header (header)
2069 (goto-char (point-min))
2070 (when (re-search-forward (concat "^" header ":") nil t)
2071 (gnus-article-hide-text-type
2075 (if (re-search-forward "^[^ \t]" nil t)
2080 (defvar gnus-article-normalized-header-length 40
2081 "Length of normalized headers.")
2083 (defun article-normalize-headers ()
2084 "Make all header lines 40 characters long."
2086 (let ((inhibit-read-only t)
2090 (article-narrow-to-head)
2093 ((< (setq column (- (point-at-eol) (point)))
2094 gnus-article-normalized-header-length)
2096 (insert (make-string
2097 (- gnus-article-normalized-header-length column)
2099 ((> column gnus-article-normalized-header-length)
2100 (gnus-put-text-property
2102 (forward-char gnus-article-normalized-header-length)
2109 (forward-line 1))))))
2111 (defun article-treat-dumbquotes ()
2112 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
2113 Note that this function guesses whether a character is a sm*rtq**t* or
2114 not, so it should only be used interactively.
2116 Sm*rtq**t*s are M****s***'s unilateral extension to the
2117 iso-8859-1 character map in an attempt to provide more quoting
2118 characters. If you see something like \\222 or \\264 where
2119 you're expecting some kind of apostrophe or quotation mark, then
2122 (article-translate-strings gnus-article-dumbquotes-map))
2124 (defvar org-entities)
2126 (defun article-treat-non-ascii ()
2127 "Translate many Unicode characters into their ASCII equivalents."
2129 (require 'org-entities)
2130 (let ((table (make-char-table (if (featurep 'xemacs) 'generic))))
2131 (dolist (elem org-entities)
2132 (when (and (listp elem)
2133 (= (length (nth 6 elem)) 1))
2134 (if (featurep 'xemacs)
2135 (put-char-table (aref (nth 6 elem) 0) (nth 4 elem) table)
2136 (set-char-table-range table (aref (nth 6 elem) 0) (nth 4 elem)))))
2138 (when (article-goto-body)
2139 (let ((inhibit-read-only t)
2142 (if (not (setq replace (if (featurep 'xemacs)
2143 (get-char-table (following-char) table)
2144 (aref table (following-char)))))
2147 (setq props (text-properties-at (point)))
2149 (add-text-properties (point) (progn (insert replace) (point))
2151 (insert replace)))))))))
2153 (defun article-translate-characters (from to)
2154 "Translate all characters in the body of the article according to FROM and TO.
2155 FROM is a string of characters to translate from; to is a string of
2156 characters to translate to."
2158 (when (article-goto-body)
2159 (let ((inhibit-read-only t)
2160 (x (make-string 225 ?x))
2162 (while (< (incf i) (length x))
2165 (while (< i (length from))
2166 (aset x (aref from i) (aref to i))
2168 (translate-region (point) (point-max) x)))))
2170 (defun article-translate-strings (map)
2171 "Translate all string in the body of the article according to MAP.
2172 MAP is an alist where the elements are on the form (\"from\" \"to\")."
2174 (when (article-goto-body)
2175 (let ((inhibit-read-only t))
2177 (let ((from (car elem))
2181 (while (search-forward from nil t)
2184 (if (eq (following-char) from)
2188 (forward-char 1)))))))))))
2190 (defun article-treat-overstrike ()
2191 "Translate overstrikes into bold text."
2194 (when (article-goto-body)
2195 (let ((inhibit-read-only t))
2196 (while (search-forward "\b" nil t)
2197 (let ((next (char-after))
2198 (previous (char-after (- (point) 2))))
2199 ;; We do the boldification/underlining by hiding the
2200 ;; overstrikes and putting the proper text property
2204 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2205 (put-text-property (point) (1+ (point)) 'face 'bold))
2207 (gnus-article-hide-text-type
2208 (1- (point)) (1+ (point)) 'overstrike)
2210 (- (point) 2) (1- (point)) 'face 'underline))
2212 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2214 (point) (1+ (point)) 'face 'underline)))))))))
2216 (defun article-treat-ansi-sequences ()
2217 "Translate ANSI SGR control sequences into overlays or extents."
2220 (when (article-goto-body)
2221 (let ((inhibit-read-only t))
2222 (ansi-color-apply-on-region (point) (point-max))))))
2224 (defun gnus-article-treat-unfold-headers ()
2225 "Unfold folded message headers.
2226 Only the headers that fit into the current window width will be
2229 (gnus-with-article-headers
2233 (mail-header-narrow-to-field)
2234 (let* ((header (buffer-string))
2236 (or (equal gnus-article-unfold-long-headers t)
2237 (and (stringp gnus-article-unfold-long-headers)
2238 (string-match gnus-article-unfold-long-headers header)))))
2241 (goto-char (point-min))
2242 (while (re-search-forward "\n[\t ]" nil t)
2243 (replace-match " " t t)))
2244 (setq length (- (point-max) (point-min) 1))
2245 (when (or unfoldable
2246 (< length (window-width)))
2247 (while (re-search-forward "\n[\t ]" nil t)
2248 (replace-match " " t t))))
2249 (goto-char (point-max)))))))
2251 (defun gnus-article-treat-fold-headers ()
2252 "Fold message headers."
2254 (gnus-with-article-headers
2257 (mail-header-narrow-to-field)
2258 (mail-header-fold-field)
2259 (goto-char (point-max))))))
2261 (defun gnus-treat-smiley ()
2262 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
2264 (gnus-with-article-buffer
2265 (if (memq 'smiley gnus-article-wash-types)
2266 (gnus-delete-images 'smiley)
2268 (let ((images (smiley-region (point) (point-max))))
2270 (gnus-add-wash-type 'smiley)
2271 (dolist (image images)
2272 (gnus-add-image 'smiley image)))))))
2274 (defun gnus-article-remove-images ()
2275 "Remove all images from the article buffer."
2277 (gnus-with-article-buffer
2280 (dolist (elem gnus-article-image-alist)
2281 (gnus-delete-images (car elem))))))
2283 (defun gnus-article-show-images ()
2284 "Show any images that are in the HTML-rendered article buffer.
2285 This only works if the article in question is HTML."
2287 (gnus-with-article-buffer
2290 (dolist (region (gnus-find-text-property-region (point-min) (point-max)
2292 (destructuring-bind (start end function) region
2293 (funcall function (get-text-property start 'image-url)
2296 (defun gnus-article-treat-fold-newsgroups ()
2297 "Unfold folded message headers.
2298 Only the headers that fit into the current window width will be
2301 (gnus-with-article-headers
2302 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2304 (mail-header-narrow-to-field)
2305 (while (re-search-forward ", *" nil t)
2306 (replace-match ", " t t))
2307 (mail-header-fold-field)
2308 (goto-char (point-max))))))
2310 (defcustom gnus-article-truncate-lines (default-value 'truncate-lines)
2311 "Value of `truncate-lines' in Gnus Article buffer.
2312 Valid values are nil, t, `head', `first', `last', an integer or a
2313 predicate. See Info node `(gnus)Customizing Articles'."
2314 :version "23.1" ;; No Gnus
2315 :group 'gnus-article
2316 ;; :link '(custom-manual "(gnus)Customizing Articles")
2319 (defun gnus-article-toggle-truncate-lines (&optional arg)
2320 "Toggle whether to fold or truncate long lines in article the buffer.
2321 If ARG is non-nil and not a number, toggle
2322 `gnus-article-truncate-lines' too. If ARG is a number, truncate
2323 long lines if and only if arg is positive."
2326 ((and (numberp arg) (> arg 0))
2327 (setq gnus-article-truncate-lines t))
2329 (setq gnus-article-truncate-lines nil))
2331 (setq gnus-article-truncate-lines
2332 (not gnus-article-truncate-lines))))
2333 (gnus-with-article-buffer
2335 ((and (numberp arg) (> arg 0))
2336 (setq truncate-lines nil))
2338 (setq truncate-lines t)))
2339 ;; In versions of Emacs 22 (CVS) before 2006-05-26,
2340 ;; `toggle-truncate-lines' needs an argument.
2341 (toggle-truncate-lines)))
2343 (defun gnus-article-treat-body-boundary ()
2344 "Place a boundary line at the end of the headers."
2346 (when (and gnus-body-boundary-delimiter
2347 (> (length gnus-body-boundary-delimiter) 0))
2348 (gnus-with-article-headers
2349 (goto-char (point-max))
2350 (let ((start (point)))
2351 (insert "X-Boundary: ")
2352 (gnus-add-text-properties start (point) '(invisible t intangible t))
2354 (while (>= (window-width) (length str))
2355 (setq str (concat str gnus-body-boundary-delimiter)))
2356 (substring str 0 (window-width)))
2358 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
2360 (defun article-fill-long-lines ()
2361 "Fill lines that are wider than the window width."
2364 (let ((inhibit-read-only t)
2365 (width (window-width (get-buffer-window (current-buffer)))))
2368 (let ((adaptive-fill-mode nil)) ;Why? -sm
2371 (when (>= (current-column) (min fill-column width))
2372 (narrow-to-region (min (1+ (point)) (point-max))
2374 (let ((goback (point-marker)))
2375 (fill-paragraph nil)
2376 (goto-char (marker-position goback)))
2378 (forward-line 1)))))))
2380 (defun article-capitalize-sentences ()
2381 "Capitalize the first word in each sentence."
2384 (let ((inhibit-read-only t)
2385 (paragraph-start "^[\n\^L]"))
2389 (forward-sentence)))))
2391 (defun article-remove-cr ()
2392 "Remove trailing CRs and then translate remaining CRs into LFs."
2395 (let ((inhibit-read-only t))
2396 (goto-char (point-min))
2397 (while (re-search-forward "\r+$" nil t)
2398 (replace-match "" t t))
2399 (goto-char (point-min))
2400 (while (search-forward "\r" nil t)
2401 (replace-match "\n" t t)))))
2403 (defun article-remove-trailing-blank-lines ()
2404 "Remove all trailing blank lines from the article."
2407 (let ((inhibit-read-only t))
2408 (goto-char (point-max))
2412 (while (and (not (bobp))
2413 (looking-at "^[ \t]*$")
2414 (not (gnus-annotation-in-region-p
2415 (point) (point-at-eol))))
2420 (defvar gnus-face-properties-alist)
2422 (defun article-display-face (&optional force)
2423 "Display any Face headers in the header."
2424 (interactive (list 'force))
2425 (let ((wash-face-p buffer-read-only))
2426 (gnus-with-article-headers
2427 ;; When displaying parts, this function can be called several times on
2428 ;; the same article, without any intended toggle semantic (as typing `W
2429 ;; D d' would have). So face deletion must occur only when we come from
2430 ;; an interactive command, that is when the *Article* buffer is
2432 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2433 (gnus-delete-images 'face)
2434 (let ((from (message-fetch-field "from"))
2436 (save-current-buffer
2437 (when (and wash-face-p
2438 (gnus-buffer-live-p gnus-original-article-buffer)
2439 (not (re-search-forward "^Face:[\t ]*" nil t)))
2440 (set-buffer gnus-original-article-buffer))
2442 (mail-narrow-to-head)
2444 ;; Check whether this face is censored.
2445 (not (and gnus-article-x-face-too-ugly
2447 (setq from (message-fetch-field "from")))
2448 (string-match gnus-article-x-face-too-ugly
2450 (while (gnus-article-goto-header "Face")
2451 (push (mail-header-field-value) faces)))))
2453 (goto-char (point-min))
2455 (unless (setq from (gnus-article-goto-header "from"))
2458 (insert " [no `from' set]\n"))
2460 (when (setq png (gnus-convert-face-to-png (pop faces)))
2462 (apply 'gnus-create-image png 'png t
2463 (cdr (assq 'png gnus-face-properties-alist))))
2465 (gnus-add-wash-type 'face)
2466 (gnus-add-image 'face image)
2467 (gnus-put-image image nil 'face))))))))))
2469 (defun article-display-x-face (&optional force)
2470 "Look for an X-Face header and display it if present."
2471 (interactive (list 'force))
2472 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2473 (gnus-with-article-headers
2474 ;; Delete the old process, if any.
2475 (when (process-status "article-x-face")
2476 (delete-process "article-x-face"))
2477 ;; See the comment in `article-display-face'.
2478 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2479 ;; We have already displayed X-Faces, so we remove them
2481 (gnus-delete-images 'xface)
2483 (let ((from (message-fetch-field "from"))
2485 (save-current-buffer
2486 (when (and wash-face-p
2487 (gnus-buffer-live-p gnus-original-article-buffer)
2488 (not (re-search-forward "^X-Face:[\t ]*" nil t)))
2489 ;; If type `W f', use gnus-original-article-buffer,
2490 ;; otherwise use the current buffer because displaying
2491 ;; RFC822 parts calls this function too.
2492 (set-buffer gnus-original-article-buffer))
2494 (mail-narrow-to-head)
2495 (and gnus-article-x-face-command
2497 ;; Check whether this face is censored.
2498 (not (and gnus-article-x-face-too-ugly
2500 (setq from (message-fetch-field "from")))
2501 (string-match gnus-article-x-face-too-ugly
2503 (while (gnus-article-goto-header "X-Face")
2504 (push (mail-header-field-value) x-faces)))))
2506 ;; We display the face.
2507 (cond ((functionp gnus-article-x-face-command)
2508 ;; The command is a lisp function, so we call it.
2509 (mapc gnus-article-x-face-command x-faces))
2510 ((stringp gnus-article-x-face-command)
2511 ;; The command is a string, so we interpret the command
2512 ;; as a, well, command, and fork it off.
2513 (let ((process-connection-type nil))
2514 (gnus-set-process-query-on-exit-flag
2516 "article-x-face" nil shell-file-name
2517 shell-command-switch gnus-article-x-face-command)
2519 ;; Sending multiple EOFs to xv doesn't work,
2520 ;; so we only do a single external face.
2522 (insert (car x-faces))
2523 (process-send-region "article-x-face"
2524 (point-min) (point-max)))
2525 (process-send-eof "article-x-face")))
2527 (error "`%s' set to `%s' is not a function"
2528 gnus-article-x-face-command
2529 'gnus-article-x-face-command)))))))))
2531 (defun article-decode-mime-words ()
2532 "Decode all MIME-encoded words in the article."
2534 (gnus-with-article-buffer
2535 (let ((inhibit-point-motion-hooks t)
2536 (mail-parse-charset gnus-newsgroup-charset)
2537 (mail-parse-ignored-charsets
2538 (with-current-buffer gnus-summary-buffer
2539 gnus-newsgroup-ignored-charsets)))
2540 (mail-decode-encoded-word-region (point-min) (point-max)))))
2542 (defun article-decode-charset (&optional prompt)
2543 "Decode charset-encoded text in the article.
2544 If PROMPT (the prefix), prompt for a coding system to use."
2546 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2547 (inhibit-read-only t)
2548 (mail-parse-charset gnus-newsgroup-charset)
2549 (mail-parse-ignored-charsets
2550 (save-excursion (condition-case nil
2551 (set-buffer gnus-summary-buffer)
2553 gnus-newsgroup-ignored-charsets))
2554 ct cte ctl charset format)
2557 (article-narrow-to-head)
2558 (setq ct (message-fetch-field "Content-Type" t)
2559 cte (message-fetch-field "Content-Transfer-Encoding" t)
2560 ctl (and ct (mail-header-parse-content-type ct))
2563 (mm-read-coding-system "Charset to decode: "))
2565 (mail-content-type-get ctl 'charset)))
2566 format (and ctl (mail-content-type-get ctl 'format)))
2568 (setq cte (mail-header-strip cte)))
2569 (if (and ctl (not (string-match "/" (car ctl))))
2571 (goto-char (point-max)))
2574 (narrow-to-region (point) (point-max))
2575 (when (and (eq mail-parse-charset 'gnus-decoded)
2576 (eq (mm-body-7-or-8) '8bit))
2577 ;; The text code could have been decoded.
2578 (setq charset mail-parse-charset))
2579 (when (and (or (not ctl)
2580 (equal (car ctl) "text/plain"))
2581 (not format)) ;; article with format will decode later.
2583 charset (and cte (intern (downcase
2584 (gnus-strip-whitespace cte))))
2587 (defun article-decode-encoded-words ()
2588 "Remove encoded-word encoding from headers."
2589 (let ((inhibit-point-motion-hooks t)
2590 (mail-parse-charset gnus-newsgroup-charset)
2591 (mail-parse-ignored-charsets
2592 (save-excursion (condition-case nil
2593 (set-buffer gnus-summary-buffer)
2595 gnus-newsgroup-ignored-charsets))
2596 (inhibit-read-only t)
2598 (goto-char (point-min))
2599 (when (search-forward "\n\n" nil 'move)
2606 (memq (char-after) '(?\t ? )))))
2607 (setq start (point))
2609 \\(?:Resent-\\)?\\(?:From\\|Cc\\|To\\|Bcc\\|\\(?:In-\\)?Reply-To\\|Sender\
2610 \\|Mail-Followup-To\\|Mail-Copies-To\\|Approved\\):")
2611 (funcall gnus-decode-address-function start end)
2612 (funcall gnus-decode-header-function start end))
2613 (goto-char (setq end start)))))
2615 (defun article-decode-group-name ()
2616 "Decode group names in Newsgroups, Followup-To and Xref headers."
2617 (let ((inhibit-point-motion-hooks t)
2618 (inhibit-read-only t)
2619 (method (gnus-find-method-for-group gnus-newsgroup-name))
2621 (when (and (or gnus-group-name-charset-method-alist
2622 gnus-group-name-charset-group-alist)
2623 (gnus-buffer-live-p gnus-original-article-buffer))
2625 (article-narrow-to-head)
2626 (dolist (header '("Newsgroups" "Followup-To" "Xref"))
2627 (with-current-buffer gnus-original-article-buffer
2628 (goto-char (point-min)))
2629 (setq regexp (concat "^" header
2630 ":\\([^\n]*\\(?:\n[\t ]+[^\n]+\\)*\\)\n"))
2631 (while (re-search-forward regexp nil t)
2632 (replace-match (save-match-data
2633 (gnus-decode-newsgroups
2634 ;; XXX how to use data in article buffer?
2635 (with-current-buffer gnus-original-article-buffer
2636 (re-search-forward regexp nil t)
2638 gnus-newsgroup-name method))
2640 (goto-char (point-min)))))))
2642 (autoload 'idna-to-unicode "idna")
2644 (defun article-decode-idna-rhs ()
2645 "Decode IDNA strings in RHS in various headers in current buffer.
2646 The following headers are decoded: From:, To:, Cc:, Reply-To:,
2647 Mail-Reply-To: and Mail-Followup-To:."
2650 (let ((inhibit-point-motion-hooks t)
2651 (inhibit-read-only t))
2652 (article-narrow-to-head)
2653 (goto-char (point-min))
2654 (while (re-search-forward "@[^ \t\n\r,>]*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2656 (when (save-match-data
2657 (and (setq ace (match-string 1))
2659 (and (re-search-backward "^[^ \t]" nil t)
2660 (looking-at "From\\|To\\|Cc\\|Reply-To\\|Mail-Reply-To\\|Mail-Followup-To")))
2661 (setq unicode (idna-to-unicode ace))))
2662 (unless (string= ace unicode)
2663 (replace-match unicode nil nil nil 1)))))))))
2665 (defun article-de-quoted-unreadable (&optional force read-charset)
2666 "Translate a quoted-printable-encoded article.
2667 If FORCE, decode the article whether it is marked as quoted-printable
2669 If READ-CHARSET, ask for a coding system."
2670 (interactive (list 'force current-prefix-arg))
2672 (let ((inhibit-read-only t) type charset)
2673 (if (gnus-buffer-live-p gnus-original-article-buffer)
2674 (with-current-buffer gnus-original-article-buffer
2676 (gnus-fetch-field "content-transfer-encoding"))
2677 (let* ((ct (gnus-fetch-field "content-type"))
2678 (ctl (and ct (mail-header-parse-content-type ct))))
2679 (setq charset (and ctl
2680 (mail-content-type-get ctl 'charset)))
2681 (if (stringp charset)
2682 (setq charset (intern (downcase charset)))))))
2684 (setq charset (mm-read-coding-system "Charset: " charset)))
2686 (setq charset gnus-newsgroup-charset))
2688 (and type (let ((case-fold-search t))
2689 (string-match "quoted-printable" type))))
2691 (quoted-printable-decode-region
2692 (point) (point-max) (mm-charset-to-coding-system charset))))))
2694 (defun article-de-base64-unreadable (&optional force read-charset)
2695 "Translate a base64 article.
2696 If FORCE, decode the article whether it is marked as base64 not.
2697 If READ-CHARSET, ask for a coding system."
2698 (interactive (list 'force current-prefix-arg))
2700 (let ((inhibit-read-only t) type charset)
2701 (if (gnus-buffer-live-p gnus-original-article-buffer)
2702 (with-current-buffer gnus-original-article-buffer
2704 (gnus-fetch-field "content-transfer-encoding"))
2705 (let* ((ct (gnus-fetch-field "content-type"))
2706 (ctl (and ct (mail-header-parse-content-type ct))))
2707 (setq charset (and ctl
2708 (mail-content-type-get ctl 'charset)))
2709 (if (stringp charset)
2710 (setq charset (intern (downcase charset)))))))
2712 (setq charset (mm-read-coding-system "Charset: " charset)))
2714 (setq charset gnus-newsgroup-charset))
2716 (and type (let ((case-fold-search t))
2717 (string-match "base64" type))))
2720 (narrow-to-region (point) (point-max))
2721 (base64-decode-region (point-min) (point-max))
2722 (mm-decode-coding-region
2723 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2728 (defun article-decode-HZ ()
2729 "Translate a HZ-encoded article."
2733 (let ((inhibit-read-only t))
2734 (rfc1843-decode-region (point-min) (point-max)))))
2736 (defun article-unsplit-urls ()
2737 "Remove the newlines that some other mailers insert into URLs."
2740 (let ((inhibit-read-only t))
2741 (goto-char (point-min))
2742 (while (re-search-forward
2743 "\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2744 (replace-match "\\1\\3" t)))
2745 (when (interactive-p)
2746 (gnus-treat-article nil))))
2748 (defun article-wash-html ()
2749 "Format an HTML article."
2752 (buffer-read-only nil))
2753 (when (gnus-buffer-live-p gnus-original-article-buffer)
2754 (setq handles (mm-dissect-buffer t t)))
2756 (delete-region (point) (point-max))
2757 (mm-inline-text-html handles)))
2759 (defvar gnus-article-browse-html-temp-list nil
2760 "List of temporary files created by `gnus-article-browse-html-parts'.
2761 Internal variable.")
2763 (defcustom gnus-article-browse-delete-temp 'ask
2764 "What to do with temporary files from `gnus-article-browse-html-parts'.
2765 If nil, don't delete temporary files. If it is t, delete them on
2766 exit from the summary buffer. If it is the symbol `file', query
2767 on each file, if it is `ask' ask once when exiting from the
2769 :group 'gnus-article
2770 :version "23.1" ;; No Gnus
2771 :type '(choice (const :tag "Don't delete" nil)
2772 (const :tag "Don't ask" t)
2773 (const :tag "Ask" ask)
2774 (const :tag "Ask for each file" file)))
2776 ;; Cf. mm-postponed-undisplay-list / mm-destroy-postponed-undisplay-list.
2778 (defun gnus-article-browse-delete-temp-files (&optional how)
2779 "Delete temp-files created by `gnus-article-browse-html-parts'."
2780 (when (and gnus-article-browse-html-temp-list
2782 (or how (setq how gnus-article-browse-delete-temp))
2784 (let ((files (length gnus-article-browse-html-temp-list)))
2785 (gnus-y-or-n-p (format
2786 "Delete all %s temporary HTML file%s? "
2788 (if (> files 1) "s" ""))))
2790 (dolist (file gnus-article-browse-html-temp-list)
2791 (cond ((file-directory-p file)
2792 (when (or (not (eq how 'file))
2795 "Delete temporary HTML file(s) in directory `%s'? "
2796 (file-name-as-directory file))))
2797 (gnus-delete-directory file)))
2798 ((file-exists-p file)
2799 (when (or (not (eq how 'file))
2801 (format "Delete temporary HTML file `%s'? " file)))
2802 (delete-file file)))))
2803 ;; Also remove file from the list when not deleted or if file doesn't
2805 (setq gnus-article-browse-html-temp-list nil))
2806 gnus-article-browse-html-temp-list)
2808 (defun gnus-article-browse-html-save-cid-content (cid handles directory)
2809 "Find CID content in HANDLES and save it in a file in DIRECTORY.
2814 (dolist (handle handles)
2816 ((not (listp handle)))
2817 ((equal (mm-handle-media-supertype handle) "multipart")
2818 (when (setq file (gnus-article-browse-html-save-cid-content
2819 cid handle directory))
2820 (throw 'found file)))
2821 ((equal (concat "<" cid ">") (mm-handle-id handle))
2824 (or (mail-content-type-get
2825 (mm-handle-disposition handle) 'filename)
2826 (mail-content-type-get
2827 (setq type (mm-handle-type handle)) 'name)
2829 (make-temp-name "cid")
2830 (car (rassoc (car type) mailcap-mime-extensions))))
2832 (mm-save-part-to-file handle file)
2833 (throw 'found file))))))))
2835 (defun gnus-article-browse-html-parts (list &optional header)
2836 "View all \"text/html\" parts from LIST.
2837 Recurse into multiparts. The optional HEADER that should be a decoded
2838 message header will be added to the bodies of the \"text/html\" parts."
2839 ;; Internal function used by `gnus-article-browse-html-article'.
2840 (let (type file charset content cid-dir tmp-file showed)
2841 ;; Find and show the html-parts.
2842 (dolist (handle list)
2843 ;; If HTML, show it:
2844 (cond ((not (listp handle)))
2845 ((or (equal (car (setq type (mm-handle-type handle))) "text/html")
2846 (and (equal (car type) "message/external-body")
2848 (setq file (or (mail-content-type-get type 'name)
2849 (mail-content-type-get
2850 (mm-handle-disposition handle)
2852 (or (mm-handle-cache handle)
2853 (condition-case code
2854 (progn (mm-extern-cache-contents handle) t)
2856 (gnus-message 3 "%s" (error-message-string code))
2857 (when (>= gnus-verbose 3) (sit-for 2))
2860 (setq handle (mm-handle-cache handle)
2861 type (mm-handle-type handle))
2862 (equal (car type) "text/html"))))
2863 (setq charset (mail-content-type-get type 'charset)
2864 content (mm-get-part handle))
2866 (if (eq charset 'gnus-decoded)
2867 (mm-enable-multibyte)
2868 (mm-disable-multibyte))
2870 ;; resolve cid contents
2871 (let ((case-fold-search t)
2873 (goto-char (point-min))
2874 (while (re-search-forward "\
2875 <img[\t\n ]+\\(?:[^\t\n >]+[\t\n ]+\\)*src=\"\\(cid:\\([^\"]+\\)\\)\""
2878 (setq cid-dir (mm-make-temp-file "cid" t))
2879 (add-to-list 'gnus-article-browse-html-temp-list cid-dir))
2882 (when (setq cid-file
2883 (gnus-article-browse-html-save-cid-content
2885 (with-current-buffer gnus-article-buffer
2886 gnus-article-mime-handles)
2888 (replace-match (concat "file://" cid-file)
2890 (unless content (setq content (buffer-string))))
2891 (when (or charset header (not file))
2892 (setq tmp-file (mm-make-temp-file
2893 ;; Do we need to care for 8.3 filenames?
2894 "mm-" nil ".html")))
2895 ;; Add a meta html tag to specify charset and a header.
2898 (let (title eheader body hcharset coding force-charset)
2900 (mm-enable-multibyte)
2901 (setq case-fold-search t)
2902 (insert header "\n")
2903 (setq title (message-fetch-field "subject"))
2904 (goto-char (point-min))
2905 (while (re-search-forward "\\(<\\)\\|\\(>\\)\\|&" nil t)
2906 (replace-match (cond ((match-beginning 1) "<")
2907 ((match-beginning 2) ">")
2909 (goto-char (point-min))
2911 (goto-char (point-max))
2912 (insert "</pre>\n<hr>\n")
2913 ;; We have to examine charset one by one since
2914 ;; charset specified in parts might be different.
2915 (if (eq charset 'gnus-decoded)
2916 (setq charset 'utf-8
2917 eheader (mm-encode-coding-string (buffer-string)
2920 (mm-encode-coding-string title charset))
2921 body (mm-encode-coding-string content charset)
2923 (setq hcharset (mm-find-mime-charset-region (point-min)
2925 (cond ((= (length hcharset) 1)
2926 (setq hcharset (car hcharset)
2927 coding (mm-charset-to-coding-system
2929 ((> (length hcharset) 1)
2930 (setq hcharset 'utf-8
2936 (mm-charset-to-coding-system charset))
2937 (if (eq coding body)
2938 (setq eheader (mm-encode-coding-string
2939 (buffer-string) coding)
2941 (mm-encode-coding-string
2944 (setq charset 'utf-8
2945 eheader (mm-encode-coding-string
2946 (buffer-string) charset)
2948 (mm-encode-coding-string
2950 body (mm-encode-coding-string
2951 (mm-decode-coding-string
2955 (setq charset hcharset
2956 eheader (mm-encode-coding-string
2957 (buffer-string) coding)
2959 (mm-encode-coding-string
2962 (setq eheader (mm-string-as-unibyte (buffer-string))
2965 (mm-disable-multibyte)
2968 (mm-add-meta-html-tag handle charset force-charset))
2970 (goto-char (point-min))
2971 (unless (search-forward "<title>" nil t)
2972 (re-search-forward "<head>\\s-*" nil t)
2973 (insert "<title>" title "</title>\n")))
2974 (goto-char (point-min))
2975 (or (re-search-forward
2976 "<body\\(?:\\s-+[^>]+\\|\\s-*\\)>\\s-*" nil t)
2978 "</head\\(?:\\s-+[^>]+\\|\\s-*\\)>\\s-*" nil t))
2980 (mm-write-region (point-min) (point-max)
2981 tmp-file nil nil nil 'binary t))))
2983 (mm-with-unibyte-buffer
2984 (insert (if (eq charset 'gnus-decoded)
2985 (mm-encode-coding-string content
2986 (setq charset 'utf-8))
2988 (if (or (mm-add-meta-html-tag handle charset)
2990 (mm-write-region (point-min) (point-max)
2991 tmp-file nil nil nil 'binary t)
2992 (setq tmp-file nil))))
2994 (mm-save-part-to-file handle tmp-file)))
2996 (add-to-list 'gnus-article-browse-html-temp-list tmp-file))
2997 (add-hook 'gnus-summary-prepare-exit-hook
2998 'gnus-article-browse-delete-temp-files)
2999 (add-hook 'gnus-exit-gnus-hook
3001 (gnus-article-browse-delete-temp-files t)))
3002 ;; FIXME: Warn if there's an <img> tag?
3003 (browse-url-of-file (or tmp-file (expand-file-name file)))
3005 ;; If multipart, recurse
3006 ((equal (mm-handle-media-supertype handle) "multipart")
3007 (when (gnus-article-browse-html-parts handle header)
3009 ((equal (mm-handle-media-type handle) "message/rfc822")
3010 (mm-with-multibyte-buffer
3011 (mm-insert-part handle)
3012 (setq handle (mm-dissect-buffer t t))
3013 (when (and (bufferp (car handle))
3014 (stringp (car (mm-handle-type handle))))
3015 (setq handle (list handle)))
3017 (article-decode-encoded-words)
3018 (let ((gnus-visible-headers
3019 (or (get 'gnus-visible-headers 'standard-value)
3020 gnus-visible-headers)))
3021 (article-hide-headers))
3022 (goto-char (point-min))
3023 (search-forward "\n\n" nil 'move)
3024 (skip-chars-backward "\t\n ")
3025 (setq header (buffer-substring (point-min) (point)))))
3027 (gnus-article-browse-html-parts handle header)
3028 (mm-destroy-parts handle))
3032 (defun gnus-article-browse-html-article (&optional arg)
3033 "View \"text/html\" parts of the current article with a WWW browser.
3034 Inline images embedded in a message using the cid scheme, as they are
3035 generally considered to be safe, will be processed properly.
3036 The message header is added to the beginning of every html part unless
3037 the prefix argument ARG is given.
3039 Warning: Spammers use links to images (using the http scheme) in HTML
3040 articles to verify whether you have read the message. As
3041 `gnus-article-browse-html-article' passes the HTML content to the
3042 browser without eliminating these \"web bugs\" you should only
3043 use it for mails from trusted senders.
3045 If you always want to display HTML parts in the browser, set
3046 `mm-text-html-renderer' to nil.
3048 This command creates temporary files to pass HTML contents including
3049 images if any to the browser, and deletes them when exiting the group
3051 ;; Cf. `mm-w3m-safe-url-regexp'
3054 (gnus-summary-show-article)
3055 (let ((gnus-visible-headers (or (get 'gnus-visible-headers 'standard-value)
3056 gnus-visible-headers))
3057 ;; As we insert a <hr>, there's no need for the body boundary.
3058 (gnus-treat-body-boundary nil))
3059 (gnus-summary-show-article)))
3060 (with-current-buffer gnus-article-buffer
3061 (let ((header (unless arg
3064 (buffer-substring-no-properties
3065 (goto-char (point-min))
3066 (if (search-forward "\n\n" nil t)
3068 (goto-char (point-max))
3069 (skip-chars-backward "\t\n ")
3072 (set-buffer gnus-original-article-buffer)
3073 (setq parts (mm-dissect-buffer t t))
3074 ;; If singlepart, enforce a list.
3075 (when (and (bufferp (car parts))
3076 (stringp (car (mm-handle-type parts))))
3077 (setq parts (list parts)))
3079 (unless (gnus-article-browse-html-parts parts header)
3080 (gnus-error 3 "Mail doesn't contain a \"text/html\" part!"))
3081 (mm-destroy-parts parts)
3083 (gnus-summary-show-article)))))
3085 (defun article-hide-list-identifiers ()
3086 "Remove list identifies from the Subject header.
3087 The `gnus-list-identifiers' variable specifies what to do."
3089 (let ((inhibit-point-motion-hooks t)
3090 (regexp (if (consp gnus-list-identifiers)
3091 (mapconcat 'identity gnus-list-identifiers " *\\|")
3092 gnus-list-identifiers))
3093 (inhibit-read-only t))
3097 (article-narrow-to-head)
3098 (goto-char (point-min))
3099 (while (re-search-forward
3100 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
3102 (delete-region (match-beginning 2) (match-end 0))
3103 (beginning-of-line))
3104 (when (re-search-forward
3105 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
3106 (delete-region (match-beginning 1) (match-end 1))))))))
3108 (defun article-hide-pem (&optional arg)
3109 "Toggle hiding of any PEM headers and signatures in the current article.
3110 If given a negative prefix, always show; if given a positive prefix,
3112 (interactive (gnus-article-hidden-arg))
3113 (unless (gnus-article-check-hidden-text 'pem arg)
3115 (let ((inhibit-read-only t) end)
3116 (goto-char (point-min))
3117 ;; Hide the horrendously ugly "header".
3118 (when (and (search-forward
3119 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
3121 (setq end (1+ (match-beginning 0))))
3122 (gnus-add-wash-type 'pem)
3123 (gnus-article-hide-text-type
3125 (if (search-forward "\n\n" nil t)
3129 ;; Hide the trailer as well
3130 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
3132 (gnus-article-hide-text-type
3133 (match-beginning 0) (match-end 0) 'pem)))))))
3135 (defun article-strip-banner ()
3136 "Strip the banners specified by the `banner' group parameter and by
3137 `gnus-article-address-banner-alist'."
3141 (let ((inhibit-point-motion-hooks t))
3142 (when (gnus-parameter-banner gnus-newsgroup-name)
3143 (article-really-strip-banner
3144 (gnus-parameter-banner gnus-newsgroup-name)))
3145 (when gnus-article-address-banner-alist
3146 ;; Note that the From header is decoded here, so it is
3147 ;; required that the *-extract-address-components function
3148 ;; supports non-ASCII text.
3149 (let ((from (save-restriction
3151 (article-narrow-to-head)
3152 (mail-fetch-field "from"))))
3155 (cadr (funcall gnus-extract-address-components
3158 (dolist (pair gnus-article-address-banner-alist)
3159 (when (string-match (car pair) from)
3161 (article-really-strip-banner (cdr pair)))))))))))))
3163 (defun article-really-strip-banner (banner)
3164 "Strip the banner specified by the argument."
3167 (let ((inhibit-point-motion-hooks t)
3168 (gnus-signature-limit nil)
3169 (inhibit-read-only t))
3172 ((eq banner 'signature)
3173 (when (gnus-article-narrow-to-signature)
3176 (delete-region (point) (point-max))))
3178 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
3179 (while (re-search-forward banner nil t)
3180 (delete-region (match-beginning 0) (match-end 0)))))
3182 (while (re-search-forward banner nil t)
3183 (delete-region (match-beginning 0) (match-end 0)))))))))
3185 (defun article-babel ()
3186 "Translate article using an online translation service."
3189 (gnus-with-article-buffer
3190 (when (article-goto-body)
3191 (let* ((start (point))
3193 (orig (buffer-substring start end))
3194 (trans (babel-as-string orig)))
3196 (narrow-to-region start end)
3197 (delete-region start end)
3200 (defun article-hide-signature (&optional arg)
3201 "Hide the signature in the current article.
3202 If given a negative prefix, always show; if given a positive prefix,
3204 (interactive (gnus-article-hidden-arg))
3205 (unless (gnus-article-check-hidden-text 'signature arg)
3208 (let ((inhibit-read-only t))
3209 (when (gnus-article-narrow-to-signature)
3210 (gnus-article-hide-text-type
3211 (point-min) (point-max) 'signature))))))
3212 (gnus-set-mode-line 'article))
3214 (defun article-strip-headers-in-body ()
3215 "Strip offensive headers from bodies."
3219 (let ((case-fold-search t))
3220 (when (looking-at "x-no-archive:")
3221 (gnus-delete-line)))))
3223 (defun article-strip-leading-blank-lines ()
3224 "Remove all blank lines from the beginning of the article."
3227 (let ((inhibit-point-motion-hooks t)
3228 (inhibit-read-only t))
3229 (when (article-goto-body)
3230 (while (and (not (eobp))
3231 (looking-at "[ \t]*$"))
3232 (gnus-delete-line))))))
3234 (defun article-narrow-to-head ()
3235 "Narrow the buffer to the head of the message.
3236 Point is left at the beginning of the narrowed-to region."
3238 (goto-char (point-min))
3239 (if (search-forward "\n\n" nil 1)
3242 (goto-char (point-min)))
3244 (defun article-goto-body ()
3245 "Place point at the start of the body."
3246 (goto-char (point-min))
3248 ;; This variable is only bound when dealing with separate
3250 (article-goto-body-goes-to-point-min-p
3252 ((search-forward "\n\n" nil t)
3255 (goto-char (point-max))
3258 (defun article-strip-multiple-blank-lines ()
3259 "Replace consecutive blank lines with one empty line."
3262 (let ((inhibit-point-motion-hooks t)
3263 (inhibit-read-only t))
3264 ;; First make all blank lines empty.
3266 (while (re-search-forward "^[ \t]+$" nil t)
3267 (unless (gnus-annotation-in-region-p
3268 (match-beginning 0) (match-end 0))
3269 (replace-match "" nil t)))
3270 ;; Then replace multiple empty lines with a single empty line.
3272 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
3273 (unless (gnus-annotation-in-region-p
3274 (match-beginning 0) (match-end 0))
3275 (delete-region (match-beginning 1) (match-end 1)))))))
3277 (defun article-strip-leading-space ()
3278 "Remove all white space from the beginning of the lines in the article."
3281 (let ((inhibit-point-motion-hooks t)
3282 (inhibit-read-only t))
3284 (while (re-search-forward "^[ \t]+" nil t)
3285 (replace-match "" t t)))))
3287 (defun article-strip-trailing-space ()
3288 "Remove all white space from the end of the lines in the article."
3291 (let ((inhibit-point-motion-hooks t)
3292 (inhibit-read-only t))
3294 (while (re-search-forward "[ \t]+$" nil t)
3295 (replace-match "" t t)))))
3297 (defun article-strip-blank-lines ()
3298 "Strip leading, trailing and multiple blank lines."
3300 (article-strip-leading-blank-lines)
3301 (article-remove-trailing-blank-lines)
3302 (article-strip-multiple-blank-lines))
3304 (defun article-strip-all-blank-lines ()
3305 "Strip all blank lines."
3308 (let ((inhibit-point-motion-hooks t)
3309 (inhibit-read-only t))
3311 (while (re-search-forward "^[ \t]*\n" nil t)
3312 (replace-match "" t t)))))
3314 (defun gnus-article-narrow-to-signature ()
3315 "Narrow to the signature; return t if a signature is found, else nil."
3316 (let ((inhibit-point-motion-hooks t))
3317 (when (gnus-article-search-signature)
3319 ;; Check whether we have some limits to what we consider
3320 ;; to be a signature.
3321 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
3322 (list gnus-signature-limit)))
3324 (while (setq limit (pop limits))
3325 (if (or (and (integerp limit)
3326 (< (- (point-max) (point)) limit))
3328 (< (count-lines (point) (point-max)) limit))
3329 (and (functionp limit)
3331 (and (stringp limit)
3332 (not (re-search-forward limit nil t))))
3333 () ; This limit did not succeed.
3337 (narrow-to-region (point) (point-max))
3340 (defun gnus-article-search-signature ()
3341 "Search the current buffer for the signature separator.
3342 Put point at the beginning of the signature separator."
3343 (let ((cur (point)))
3344 (goto-char (point-max))
3345 (if (if (stringp gnus-signature-separator)
3346 (re-search-backward gnus-signature-separator nil t)
3347 (let ((seps gnus-signature-separator))
3349 (not (re-search-backward (car seps) nil t)))
3356 (defun gnus-article-hidden-arg ()
3357 "Return the current prefix arg as a number, or 0 if no prefix."
3358 (list (if current-prefix-arg
3359 (prefix-numeric-value current-prefix-arg)
3362 (defun gnus-article-check-hidden-text (type arg)
3363 "Return nil if hiding is necessary.
3364 Arg can be nil or a number. nil and positive means hide, negative
3365 means show, 0 means toggle."
3368 (let ((hide (gnus-article-hidden-text-p type)))
3374 (gnus-article-show-hidden-text type)
3377 (if (eq hide 'hidden)
3379 (gnus-article-show-hidden-text type)
3383 (defun gnus-article-hidden-text-p (type)
3384 "Say whether the current buffer contains hidden text of type TYPE."
3385 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
3387 (not (get-text-property pos 'invisible))
3388 (not (get-text-property pos 'dummy-invisible)))
3390 (text-property-any (1+ pos) (point-max) 'article-type type)))
3395 (defun gnus-article-show-hidden-text (type &optional dummy)
3396 "Show all hidden text of type TYPE.
3397 Originally it is hide instead of DUMMY."
3398 (let ((inhibit-read-only t)
3399 (inhibit-point-motion-hooks t))
3400 (gnus-remove-text-properties-when
3402 (point-min) (point-max)
3403 (cons 'article-type (cons type
3404 gnus-hidden-properties)))
3405 (gnus-delete-wash-type type)))
3407 (defconst article-time-units
3408 `((year . ,(* 365.25 24 60 60))
3409 (week . ,(* 7 24 60 60))
3410 (day . ,(* 24 60 60))
3414 "Mapping from time units to seconds.")
3416 (defun gnus-article-forward-header ()
3417 "Move point to the start of the next header.
3418 If the current header is a continuation header, this can be several
3423 (if (looking-at "[ \t]+[^ \t]")
3427 (defun article-date-ut (&optional type highlight)
3428 "Convert DATE date to universal time in the current article.
3429 If TYPE is `local', convert to local time; if it is `lapsed', output
3430 how much time has lapsed since DATE. For `lapsed', the value of
3431 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
3432 should replace the \"Date:\" one, or should be added below it."
3433 (interactive (list 'ut t))
3434 (let* ((tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
3435 (date-regexp (cond ((not gnus-article-date-lapsed-new-header)
3439 (article-lapsed-timer
3443 (case-fold-search t)
3444 (inhibit-read-only t)
3445 (inhibit-point-motion-hooks t)
3446 pos date bface eface)
3450 (goto-char (point-min))
3451 (while (or (setq date (get-text-property (setq pos (point))
3453 (when (setq pos (next-single-property-change
3454 (point) 'original-date))
3455 (setq date (get-text-property pos 'original-date))
3458 pos (if (setq pos (text-property-any pos (point-max)
3459 'original-date nil))
3462 (if (or (bolp) (eobp))
3466 (goto-char (point-min))
3467 (when (re-search-forward tdate-regexp nil t)
3468 (setq bface (get-text-property (point-at-bol) 'face)
3469 eface (get-text-property (1- (point-at-eol)) 'face)))
3470 (goto-char (point-min))
3472 ;; Delete any old Date headers.
3473 (while (re-search-forward date-regexp nil t)
3475 (delete-region (point-at-bol) (progn
3476 (gnus-article-forward-header)
3478 (delete-region (point-at-bol) (progn
3479 (gnus-article-forward-header)
3482 (setq pos (point))))
3483 (when (and (not pos)
3484 (re-search-forward tdate-regexp nil t))
3486 (gnus-goto-char pos)
3487 (insert (article-make-date-line date (or type 'ut)))
3493 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
3494 (put-text-property (match-beginning 1) (1+ (match-end 1))
3496 (put-text-property (match-beginning 2) (match-end 2)
3498 (put-text-property (point-min) (1- (point-max)) 'original-date date)
3499 (goto-char (point-max))
3502 (defun article-make-date-line (date type)
3503 "Return a DATE line of TYPE."
3504 (unless (memq type '(local ut original user iso8601 lapsed english))
3505 (error "Unknown conversion type: %s" type))
3507 (let ((time (date-to-time date)))
3509 ;; Convert to the local timezone.
3511 (concat "Date: " (message-make-date time)))
3512 ;; Convert to Universal Time.
3517 (let* ((e (parse-time-string date))
3518 (tm (apply 'encode-time e))
3520 (ls (- (cadr tm) (car (current-time-zone time)))))
3521 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
3522 ((> ls 65535) (list (1+ ms) (- ls 65536)))
3526 ;; Get the original date from the article.
3527 ((eq type 'original)
3528 (concat "Date: " (if (string-match "\n+$" date)
3529 (substring date 0 (match-beginning 0))
3531 ;; Let the user define the format.
3533 (let ((format (or (condition-case nil
3534 (with-current-buffer gnus-summary-buffer
3535 gnus-article-time-format)
3537 gnus-article-time-format)))
3538 (if (functionp format)
3539 (funcall format time)
3540 (concat "Date: " (format-time-string format time)))))
3543 (let ((tz (car (current-time-zone time))))
3546 (format-time-string "%Y%m%dT%H%M%S" time)
3547 (format "%s%02d%02d"
3548 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
3549 (/ (% (abs tz) 3600) 60)))))
3550 ;; Do an X-Sent lapsed format.
3552 ;; If the date is seriously mangled, the timezone functions are
3553 ;; liable to bug out, so we ignore all errors.
3554 (let* ((now (current-time))
3555 (real-time (subtract-time now time))
3556 (real-sec (and real-time
3557 (+ (* (float (car real-time)) 65536)
3559 (sec (and real-time (abs real-sec)))
3569 ;; This is a bit convoluted, but basically we go
3570 ;; through the time units for years, weeks, etc,
3571 ;; and divide things to see whether that results
3572 ;; in positive answers.
3575 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
3576 ;; The (remaining) seconds are too few to
3577 ;; be divided into this time unit.
3579 ;; It's big enough, so we output it.
3580 (setq sec (- sec (* num (cdr unit))))
3582 (concat (if prev ", " "") (int-to-string
3584 " " (symbol-name (car unit))
3585 (if (> num 1) "s" ""))
3587 article-time-units "")
3588 ;; If dates are odd, then it might appear like the
3589 ;; article was sent in the future.
3592 " in the future"))))))
3593 ;; Display the date in proper English
3595 (let ((dtime (decode-time time)))
3598 (number-to-string (nth 3 dtime))
3599 (let ((digit (% (nth 3 dtime) 10)))
3601 ((memq (nth 3 dtime) '(11 12 13)) "th")
3607 (nth (1- (nth 4 dtime)) gnus-english-month-names)
3609 (number-to-string (nth 5 dtime))
3611 (format "%02d" (nth 2 dtime))
3613 (format "%02d" (nth 1 dtime)))))))
3615 (format "Date: %s (from Gnus)" date))))
3617 (defun article-date-local (&optional highlight)
3618 "Convert the current article date to the local timezone."
3619 (interactive (list t))
3620 (article-date-ut 'local highlight))
3622 (defun article-date-english (&optional highlight)
3623 "Convert the current article date to something that is proper English."
3624 (interactive (list t))
3625 (article-date-ut 'english highlight))
3627 (defun article-date-original (&optional highlight)
3628 "Convert the current article date to what it was originally.
3629 This is only useful if you have used some other date conversion
3630 function and want to see what the date was before converting."
3631 (interactive (list t))
3632 (article-date-ut 'original highlight))
3634 (defun article-date-lapsed (&optional highlight)
3635 "Convert the current article date to time lapsed since it was sent."
3636 (interactive (list t))
3637 (article-date-ut 'lapsed highlight))
3639 (defun article-update-date-lapsed ()
3640 "Function to be run from a timer to update the lapsed time line."
3642 (let (deactivate-mark)
3647 (set-buffer (window-buffer w))
3648 (when (eq major-mode 'gnus-article-mode)
3649 (let ((mark (point-marker)))
3650 (goto-char (point-min))
3651 (when (re-search-forward "^X-Sent:" nil t)
3652 (article-date-lapsed t))
3653 (goto-char (marker-position mark))
3654 (move-marker mark nil))))
3657 (defun gnus-start-date-timer (&optional n)
3658 "Start a timer to update the X-Sent header in the article buffers.
3659 The numerical prefix says how frequently (in seconds) the function
3664 (gnus-stop-date-timer)
3665 (setq article-lapsed-timer
3666 (run-at-time 1 n 'article-update-date-lapsed)))
3668 (defun gnus-stop-date-timer ()
3669 "Stop the X-Sent timer."
3671 (when article-lapsed-timer
3672 (nnheader-cancel-timer article-lapsed-timer)
3673 (setq article-lapsed-timer nil)))
3675 (defun article-date-user (&optional highlight)
3676 "Convert the current article date to the user-defined format.
3677 This format is defined by the `gnus-article-time-format' variable."
3678 (interactive (list t))
3679 (article-date-ut 'user highlight))
3681 (defun article-date-iso8601 (&optional highlight)
3682 "Convert the current article date to ISO8601."
3683 (interactive (list t))
3684 (article-date-ut 'iso8601 highlight))
3686 (defmacro gnus-article-save-original-date (&rest forms)
3687 "Save the original date as a text property and evaluate FORMS."
3688 `(let* ((case-fold-search t)
3690 (goto-char (point-min))
3691 (when (and (re-search-forward "^date:[\t\n ]+" nil t)
3694 (date (when (and start
3695 (re-search-forward "[\t ]*\n\\(?:[^\t ]\\|\\'\\)"
3697 (buffer-substring-no-properties start
3698 (match-beginning 0)))))
3699 (goto-char (point-max))
3700 (skip-chars-backward "\n")
3701 (put-text-property (point-min) (point) 'original-date date)
3703 (goto-char (point-max))
3704 (skip-chars-backward "\n")
3705 (put-text-property (point-min) (point) 'original-date date)))
3707 ;; (defun article-show-all ()
3708 ;; "Show all hidden text in the article buffer."
3711 ;; (let ((inhibit-read-only t))
3712 ;; (gnus-article-unhide-text (point-min) (point-max)))))
3714 (defun article-remove-leading-whitespace ()
3715 "Remove excessive whitespace from all headers."
3719 (let ((inhibit-read-only t))
3720 (article-narrow-to-head)
3721 (goto-char (point-min))
3722 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3723 (delete-region (match-beginning 1) (match-end 1)))))))
3725 (defun article-emphasize (&optional arg)
3726 "Emphasize text according to `gnus-emphasis-alist'."
3727 (interactive (gnus-article-hidden-arg))
3728 (unless (gnus-article-check-hidden-text 'emphasis arg)
3732 (with-current-buffer gnus-summary-buffer
3733 gnus-article-emphasis-alist)
3735 gnus-emphasis-alist))
3736 (inhibit-read-only t)
3737 (props (append '(article-type emphasis)
3738 gnus-hidden-properties))
3739 regexp elem beg invisible visible face)
3742 (while (setq elem (pop alist))
3744 (setq regexp (car elem)
3745 invisible (nth 1 elem)
3746 visible (nth 2 elem)
3748 (while (re-search-forward regexp nil t)
3749 (when (and (match-beginning visible) (match-beginning invisible))
3750 (gnus-article-hide-text
3751 (match-beginning invisible) (match-end invisible) props)
3752 (gnus-article-unhide-text-type
3753 (match-beginning visible) (match-end visible) 'emphasis)
3754 (gnus-put-overlay-excluding-newlines
3755 (match-beginning visible) (match-end visible) 'face face)
3756 (gnus-add-wash-type 'emphasis)
3757 (goto-char (match-end invisible)))))))))
3759 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3760 "Setup newsgroup emphasis alist."
3761 (unless gnus-article-emphasis-alist
3762 (let ((name (and gnus-newsgroup-name
3763 (gnus-group-real-name gnus-newsgroup-name))))
3764 (make-local-variable 'gnus-article-emphasis-alist)
3765 (setq gnus-article-emphasis-alist
3767 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3768 (while (setq elem (pop alist))
3769 (when (and name (string-match (car elem) name))
3771 highlight (copy-sequence (cdr elem)))))
3773 (copy-sequence highlight-words)
3774 (if gnus-newsgroup-name
3775 (copy-sequence (gnus-group-find-parameter
3776 gnus-newsgroup-name 'highlight-words t)))
3777 gnus-emphasis-alist)))))
3779 (defvar gnus-summary-article-menu)
3780 (defvar gnus-summary-post-menu)
3782 ;;; Saving functions.
3784 (defun gnus-article-save (save-buffer file &optional num)
3785 "Save the currently selected article."
3786 (when (or (get gnus-default-article-saver :headers)
3787 (not gnus-save-all-headers))
3788 ;; Remove headers according to `gnus-saved-headers' or the value
3789 ;; of the `:headers' property that the saver function might have.
3790 (let ((gnus-visible-headers
3791 (or (symbol-value (get gnus-default-article-saver :headers))
3792 gnus-saved-headers gnus-visible-headers))
3793 ;; Ignore group parameter. See `article-hide-headers'.
3794 (gnus-summary-buffer nil))
3795 (with-current-buffer save-buffer
3796 (article-hide-headers 1 t))))
3797 (save-window-excursion
3798 (if (not gnus-default-article-saver)
3799 (error "No default saver is defined")
3800 ;; !!! Magic! The saving functions all save
3801 ;; `gnus-save-article-buffer' (or so they think), but we
3802 ;; bind that variable to our save-buffer.
3803 (set-buffer gnus-article-buffer)
3804 (let* ((gnus-save-article-buffer save-buffer)
3807 ((not gnus-prompt-before-saving) 'default)
3808 ((eq gnus-prompt-before-saving 'always) nil)
3810 (gnus-number-of-articles-to-be-saved
3811 (when (eq gnus-prompt-before-saving t)
3813 (set-buffer gnus-article-current-summary)
3814 (funcall gnus-default-article-saver filename)))))
3816 (defun gnus-read-save-file-name (prompt &optional filename
3817 function group headers variable
3820 (funcall function group headers (symbol-value variable)))
3825 ((eq filename 'default)
3831 (when (symbol-value dir-var)
3832 (setq default-name (expand-file-name
3833 (file-name-nondirectory default-name)
3834 (symbol-value dir-var))))
3835 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3838 (if (and gnus-number-of-articles-to-be-saved
3839 (> gnus-number-of-articles-to-be-saved 1))
3840 (format "these %d articles"
3841 gnus-number-of-articles-to-be-saved)
3844 ;; Let the split methods have their say.
3846 ;; No split name was found.
3849 (concat prompt " (default "
3850 (file-name-nondirectory default-name) "): ")
3851 (file-name-directory default-name)
3853 ;; A single group name is returned.
3854 ((stringp split-name)
3856 (funcall function split-name headers
3857 (symbol-value variable)))
3859 (concat prompt " (default "
3860 (file-name-nondirectory default-name) "): ")
3861 (file-name-directory default-name)
3863 ;; A single split name was found
3864 ((= 1 (length split-name))
3865 (let* ((name (expand-file-name
3867 gnus-article-save-directory))
3868 (dir (cond ((file-directory-p name)
3869 (file-name-as-directory name))
3870 ((file-exists-p name) name)
3871 (t gnus-article-save-directory))))
3873 (concat prompt " (default " name "): ")
3875 ;; A list of splits was found.
3877 (setq split-name (nreverse split-name))
3879 (let ((file-name-history
3880 (nconc split-name file-name-history)))
3884 (concat prompt " (`M-p' for defaults): ")
3885 gnus-article-save-directory
3887 gnus-article-save-directory)))
3888 (car (push result file-name-history)))))))
3889 ;; Create the directory.
3890 (gnus-make-directory (file-name-directory file))
3891 ;; If we have read a directory, we append the default file name.
3892 (when (file-directory-p file)
3893 (setq file (expand-file-name (file-name-nondirectory
3895 (file-name-as-directory file))))
3896 ;; Possibly translate some characters.
3897 (nnheader-translate-file-chars file))))))
3898 (gnus-make-directory (file-name-directory result))
3900 (set variable result))
3902 (set dir-var (file-name-directory result)))
3905 (defun gnus-article-archive-name (group)
3906 "Return the first instance of an \"Archive-name\" in the current buffer."
3907 (let ((case-fold-search t))
3908 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3909 (nnheader-concat gnus-article-save-directory
3910 (match-string 1)))))
3912 (defun gnus-article-nndoc-name (group)
3913 "If GROUP is an nndoc group, return the name of the parent group."
3914 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3915 (gnus-group-get-parameter group 'save-article-group)))
3917 (defun gnus-summary-save-in-rmail (&optional filename)
3918 "Append this article to Rmail file.
3919 Optional argument FILENAME specifies file name.
3920 Directory to save to is default to `gnus-article-save-directory'."
3921 (setq filename (gnus-read-save-file-name
3922 "Save %s in rmail file" filename
3923 gnus-rmail-save-name gnus-newsgroup-name
3924 gnus-current-headers 'gnus-newsgroup-last-rmail))
3925 (with-current-buffer gnus-save-article-buffer
3929 ;; Note that unlike gnus-summary-save-in-mail, there is no
3930 ;; check to see if filename is Babyl. Rmail in Emacs 23 does
3932 (gnus-output-to-rmail filename))))
3935 (defun gnus-summary-save-in-mail (&optional filename)
3936 "Append this article to Unix mail file.
3937 Optional argument FILENAME specifies file name.
3938 Directory to save to is default to `gnus-article-save-directory'."
3939 (setq filename (gnus-read-save-file-name
3940 "Save %s in Unix mail file" filename
3941 gnus-mail-save-name gnus-newsgroup-name
3942 gnus-current-headers 'gnus-newsgroup-last-mail))
3943 (with-current-buffer gnus-save-article-buffer
3947 (if (and (file-readable-p filename)
3948 (file-regular-p filename)
3949 (mail-file-babyl-p filename))
3950 (gnus-output-to-rmail filename)
3951 (gnus-output-to-mail filename)))))
3954 (put 'gnus-summary-save-in-file :decode t)
3955 (put 'gnus-summary-save-in-file :headers 'gnus-saved-headers)
3956 (defun gnus-summary-save-in-file (&optional filename overwrite)
3957 "Append this article to file.
3958 Optional argument FILENAME specifies file name.
3959 Directory to save to is default to `gnus-article-save-directory'."
3960 (setq filename (gnus-read-save-file-name
3961 "Save %s in file" filename
3962 gnus-file-save-name gnus-newsgroup-name
3963 gnus-current-headers 'gnus-newsgroup-last-file))
3964 (with-current-buffer gnus-save-article-buffer
3968 (when (and overwrite
3969 (file-exists-p filename))
3970 (delete-file filename))
3971 (gnus-output-to-file filename))))
3974 (put 'gnus-summary-write-to-file :decode t)
3975 (put 'gnus-summary-write-to-file :function 'gnus-summary-save-in-file)
3976 (put 'gnus-summary-write-to-file :headers 'gnus-saved-headers)
3977 (defun gnus-summary-write-to-file (&optional filename)
3978 "Write this article to a file, overwriting it if the file exists.
3979 Optional argument FILENAME specifies file name.
3980 The directory to save in defaults to `gnus-article-save-directory'."
3981 (setq filename (gnus-read-save-file-name
3982 "Save %s in file" filename
3983 gnus-file-save-name gnus-newsgroup-name
3984 gnus-current-headers nil 'gnus-newsgroup-last-directory))
3985 (gnus-summary-save-in-file filename t))
3987 (put 'gnus-summary-save-body-in-file :decode t)
3988 (defun gnus-summary-save-body-in-file (&optional filename overwrite)
3989 "Append this article body to a file.
3990 Optional argument FILENAME specifies file name.
3991 The directory to save in defaults to `gnus-article-save-directory'."
3992 (setq filename (gnus-read-save-file-name
3993 "Save %s body in file" filename
3994 gnus-file-save-name gnus-newsgroup-name
3995 gnus-current-headers 'gnus-newsgroup-last-file))
3996 (with-current-buffer gnus-save-article-buffer
4000 (when (article-goto-body)
4001 (narrow-to-region (point) (point-max)))
4002 (when (and overwrite
4003 (file-exists-p filename))
4004 (delete-file filename))
4005 (gnus-output-to-file filename))))
4008 (put 'gnus-summary-write-body-to-file :decode t)
4009 (put 'gnus-summary-write-body-to-file
4010 :function 'gnus-summary-save-body-in-file)
4011 (defun gnus-summary-write-body-to-file (&optional filename)
4012 "Write this article body to a file, overwriting it if the file exists.
4013 Optional argument FILENAME specifies file name.
4014 The directory to save in defaults to `gnus-article-save-directory'."
4015 (setq filename (gnus-read-save-file-name
4016 "Save %s body in file" filename
4017 gnus-file-save-name gnus-newsgroup-name
4018 gnus-current-headers nil 'gnus-newsgroup-last-directory))
4019 (gnus-summary-save-body-in-file filename t))
4021 (put 'gnus-summary-save-in-pipe :decode t)
4022 (put 'gnus-summary-save-in-pipe :headers 'gnus-saved-headers)
4023 (defun gnus-summary-save-in-pipe (&optional command raw)
4024 "Pipe this article to subprocess COMMAND.
4025 Valid values for COMMAND include:
4027 The executable command name and possibly arguments.
4029 You will be prompted for the command in the minibuffer.
4030 the symbol `default'
4031 It will be replaced with the command which the variable
4032 `gnus-summary-pipe-output-default-command' holds or the command
4033 last used for saving.
4034 Non-nil value for RAW overrides `:decode' and `:headers' properties
4035 and the raw article including all headers will be piped."
4036 (let ((article (gnus-summary-article-number))
4038 (get 'gnus-summary-save-in-pipe :decode)))
4039 save-buffer default)
4041 (if (vectorp (gnus-summary-article-header article))
4042 (save-current-buffer
4043 (gnus-summary-select-article decode decode nil article)
4044 (insert-buffer-substring
4048 gnus-original-article-buffer)
4050 (nnheader-set-temp-buffer " *Gnus Save*"))))
4051 ;; Remove unwanted headers.
4052 (when (and (not raw)
4053 (or (get 'gnus-summary-save-in-pipe :headers)
4054 (not gnus-save-all-headers)))
4055 (let ((gnus-visible-headers
4056 (or (symbol-value (get 'gnus-summary-save-in-pipe
4058 gnus-saved-headers gnus-visible-headers))
4059 (gnus-summary-buffer nil))
4060 (article-hide-headers 1 t))))
4061 (error "%d is not a real article" article))
4062 (error "No article to pipe"))
4063 (setq default (or gnus-summary-pipe-output-default-command
4064 gnus-last-shell-command))
4065 (unless (stringp command)
4067 (if (and (eq command 'default) default)
4069 (gnus-read-shell-command "Shell command on this article: "
4071 (when (string-equal command "")
4073 (setq command default)
4074 (error "A command is required")))
4075 (with-current-buffer save-buffer
4078 (shell-command-on-region (point-min) (point-max) command nil)))
4079 (gnus-kill-buffer save-buffer))
4080 (setq gnus-summary-pipe-output-default-command command))
4082 (defun gnus-summary-pipe-to-muttprint (&optional command)
4083 "Pipe this article to muttprint."
4084 (unless (stringp command)
4085 (setq command (read-string
4086 "Print using command: " gnus-summary-muttprint-program
4087 nil gnus-summary-muttprint-program)))
4088 (let ((gnus-summary-pipe-output-default-command
4089 gnus-summary-pipe-output-default-command))
4090 (gnus-summary-save-in-pipe command))
4091 (setq gnus-summary-muttprint-program command))
4093 ;;; Article file names when saving.
4095 (defun gnus-capitalize-newsgroup (newsgroup)
4096 "Capitalize NEWSGROUP name."
4097 (when (not (zerop (length newsgroup)))
4098 (concat (char-to-string (upcase (aref newsgroup 0)))
4099 (substring newsgroup 1))))
4101 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
4102 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
4103 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
4104 Otherwise, it is like ~/News/news/group/num."
4107 (concat (if (gnus-use-long-file-name 'not-save)
4108 (gnus-capitalize-newsgroup newsgroup)
4109 (gnus-newsgroup-directory-form newsgroup))
4110 "/" (int-to-string (mail-header-number headers)))
4111 gnus-article-save-directory)))
4113 (string-equal (file-name-directory default)
4114 (file-name-directory last-file))
4115 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
4117 (or last-file default))))
4119 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
4120 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
4121 If variable `gnus-use-long-file-name' is non-nil, it is
4122 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
4125 (concat (if (gnus-use-long-file-name 'not-save)
4127 (gnus-newsgroup-directory-form newsgroup))
4128 "/" (int-to-string (mail-header-number headers)))
4129 gnus-article-save-directory)))
4131 (string-equal (file-name-directory default)
4132 (file-name-directory last-file))
4133 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
4135 (or last-file default))))
4137 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
4138 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
4139 If variable `gnus-use-long-file-name' is non-nil, it is
4140 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
4143 (if (gnus-use-long-file-name 'not-save)
4146 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
4148 gnus-article-save-directory)))
4150 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
4151 "Generate file name from sender."
4152 (let ((from (mail-header-from headers)))
4154 (if (and from (string-match "\\([^ <]+\\)@" from))
4155 (match-string 1 from)
4157 gnus-article-save-directory)))
4159 (defun article-verify-x-pgp-sig ()
4161 ;; <ftp://ftp.isc.org/pub/pgpcontrol/FORMAT>
4163 (if (gnus-buffer-live-p gnus-original-article-buffer)
4164 (let ((sig (with-current-buffer gnus-original-article-buffer
4165 (gnus-fetch-field "X-PGP-Sig")))
4169 (mml2015-clear-verify-function))
4171 (insert-buffer-substring gnus-original-article-buffer)
4172 (setq items (split-string sig))
4173 (message-narrow-to-head)
4174 (let ((inhibit-point-motion-hooks t)
4175 (case-fold-search t))
4176 ;; Don't verify multiple headers.
4177 (setq headers (mapconcat (lambda (header)
4179 (mail-fetch-field header)
4181 (split-string (nth 1 items) ",") "")))
4182 (delete-region (point-min) (point-max))
4183 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
4184 (insert "X-Signed-Headers: " (nth 1 items) "\n")
4189 (if (looking-at "^-")
4192 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
4193 (insert "Version: " (car items) "\n\n")
4194 (insert (mapconcat 'identity (cddr items) "\n"))
4195 (insert "\n-----END PGP SIGNATURE-----\n")
4196 (let ((mm-security-handle (list (format "multipart/signed"))))
4197 (mml2015-clean-buffer)
4198 (let ((coding-system-for-write (or gnus-newsgroup-charset
4200 (funcall (mml2015-clear-verify-function)))
4202 (or (mm-handle-multipart-ctl-parameter
4203 mm-security-handle 'gnus-details)
4204 (mm-handle-multipart-ctl-parameter
4205 mm-security-handle 'gnus-info)))))
4207 (let ((inhibit-read-only t) bface eface)
4209 (message-narrow-to-head)
4210 (goto-char (point-max))
4212 (setq bface (get-text-property (point-at-bol) 'face)
4213 eface (get-text-property (1- (point-at-eol)) 'face))
4214 (message-remove-header "X-Gnus-PGP-Verify")
4215 (if (re-search-forward "^X-PGP-Sig:" nil t)
4217 (goto-char (point-max)))
4218 (narrow-to-region (point) (point))
4219 (insert "X-Gnus-PGP-Verify: " info "\n")
4220 (goto-char (point-min))
4223 (if (not (looking-at "^[ \t]"))
4227 (goto-char (point-min))
4228 (when (looking-at "\\([^:]+\\): *")
4229 (put-text-property (match-beginning 1) (1+ (match-end 1))
4231 (put-text-property (match-end 0) (point-max)
4232 'face eface)))))))))
4234 (autoload 'canlock-verify "canlock" nil t) ;; for XEmacs.
4236 (defun article-verify-cancel-lock ()
4237 "Verify Cancel-Lock header."
4239 (if (gnus-buffer-live-p gnus-original-article-buffer)
4240 (canlock-verify gnus-original-article-buffer)))
4247 (setq afunc (car func)
4250 gfunc (intern (format "gnus-%s" func))))
4252 (when (fboundp afunc)
4253 `(lambda (&optional interactive &rest args)
4254 ,(documentation afunc t)
4255 (interactive (list t))
4256 (with-current-buffer gnus-article-buffer
4258 (call-interactively ',afunc)
4259 (apply ',afunc args))))))))
4260 '(article-hide-headers
4261 article-verify-x-pgp-sig
4262 article-verify-cancel-lock
4263 article-hide-boring-headers
4264 article-treat-overstrike
4265 article-treat-ansi-sequences
4266 article-fill-long-lines
4267 article-capitalize-sentences
4269 article-remove-leading-whitespace
4270 article-display-x-face
4271 article-display-face
4272 article-de-quoted-unreadable
4273 article-de-base64-unreadable
4276 article-unsplit-urls
4277 article-hide-list-identifiers
4278 article-strip-banner
4281 article-hide-signature
4282 article-strip-headers-in-body
4283 article-remove-trailing-blank-lines
4284 article-strip-leading-blank-lines
4285 article-strip-multiple-blank-lines
4286 article-strip-leading-space
4287 article-strip-trailing-space
4288 article-strip-blank-lines
4289 article-strip-all-blank-lines
4291 article-date-english
4292 article-date-iso8601
4293 article-date-original
4295 article-decode-mime-words
4296 article-decode-charset
4297 article-decode-encoded-words
4301 article-treat-dumbquotes
4302 article-treat-non-ascii
4303 article-normalize-headers
4304 ;;(article-show-all . gnus-article-show-all-headers)
4308 ;;; Gnus article mode
4311 (put 'gnus-article-mode 'mode-class 'special)
4313 (set-keymap-parent gnus-article-mode-map widget-keymap)
4315 (gnus-define-keys gnus-article-mode-map
4316 " " gnus-article-goto-next-page
4317 "\177" gnus-article-goto-prev-page
4318 [delete] gnus-article-goto-prev-page
4319 [backspace] gnus-article-goto-prev-page
4320 "\C-c^" gnus-article-refer-article
4321 "h" gnus-article-show-summary
4322 "s" gnus-article-show-summary
4323 "\C-c\C-m" gnus-article-mail
4324 "?" gnus-article-describe-briefly
4325 "<" beginning-of-buffer
4327 "\C-c\C-i" gnus-info-find-node
4329 "R" gnus-article-reply-with-original
4330 "F" gnus-article-followup-with-original
4331 "\C-hk" gnus-article-describe-key
4332 "\C-hc" gnus-article-describe-key-briefly
4333 "\C-hb" gnus-article-describe-bindings
4335 "e" gnus-article-read-summary-keys
4336 "\C-d" gnus-article-read-summary-keys
4337 "\M-*" gnus-article-read-summary-keys
4338 "\M-#" gnus-article-read-summary-keys
4339 "\M-^" gnus-article-read-summary-keys
4340 "\M-g" gnus-article-read-summary-keys)
4342 (substitute-key-definition
4343 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
4345 (gnus-define-keys (gnus-article-send-map "S" gnus-article-mode-map)
4346 "W" gnus-article-wide-reply-with-original)
4347 (if (featurep 'xemacs)
4348 (set-keymap-default-binding gnus-article-send-map
4349 'gnus-article-read-summary-send-keys)
4350 (define-key gnus-article-send-map [t] 'gnus-article-read-summary-send-keys))
4352 (defun gnus-article-make-menu-bar ()
4353 (unless (boundp 'gnus-article-commands-menu)
4354 (gnus-summary-make-menu-bar))
4355 (unless (boundp 'gnus-article-article-menu)
4357 gnus-article-article-menu gnus-article-mode-map ""
4359 ["Scroll forwards" gnus-article-goto-next-page t]
4360 ["Scroll backwards" gnus-article-goto-prev-page t]
4361 ["Show summary" gnus-article-show-summary t]
4362 ["Fetch Message-ID at point" gnus-article-refer-article t]
4363 ["Mail to address at point" gnus-article-mail t]
4364 ["Send a bug report" gnus-bug t]))
4367 gnus-article-treatment-menu gnus-article-mode-map ""
4368 ;; Fixme: this should use :active (and maybe :visible).
4370 ["Hide headers" gnus-article-hide-headers t]
4371 ["Hide signature" gnus-article-hide-signature t]
4372 ["Hide citation" gnus-article-hide-citation t]
4373 ["Treat overstrike" gnus-article-treat-overstrike t]
4374 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
4375 ["Remove carriage return" gnus-article-remove-cr t]
4376 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
4377 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
4378 ["Remove base64" gnus-article-de-base64-unreadable t]
4379 ["Treat html" gnus-article-wash-html t]
4380 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
4381 ["Decode HZ" gnus-article-decode-HZ t]))
4383 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
4385 ;; Note "Post" menu is defined in gnus-sum.el for consistency
4387 (gnus-run-hooks 'gnus-article-menu-hook)))
4389 (defvar bookmark-make-record-function)
4391 (defun gnus-article-mode ()
4392 "Major mode for displaying an article.
4394 All normal editing commands are switched off.
4396 The following commands are available in addition to all summary mode
4398 \\<gnus-article-mode-map>
4399 \\[gnus-article-next-page]\t Scroll the article one page forwards
4400 \\[gnus-article-prev-page]\t Scroll the article one page backwards
4401 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
4402 \\[gnus-article-show-summary]\t Display the summary buffer
4403 \\[gnus-article-mail]\t Send a reply to the address near point
4404 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
4405 \\[gnus-info-find-node]\t Go to the Gnus info node"
4407 (kill-all-local-variables)
4408 (gnus-simplify-mode-line)
4409 (setq mode-name "Article")
4410 (setq major-mode 'gnus-article-mode)
4411 (make-local-variable 'minor-mode-alist)
4412 (use-local-map gnus-article-mode-map)
4413 (when (gnus-visual-p 'article-menu 'menu)
4414 (gnus-article-make-menu-bar)
4415 (when gnus-summary-tool-bar-map
4416 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
4417 (gnus-update-format-specifications nil 'article-mode)
4418 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
4419 (set (make-local-variable 'gnus-page-broken) nil)
4420 (make-local-variable 'gnus-article-current-summary)
4421 (make-local-variable 'gnus-article-mime-handles)
4422 (make-local-variable 'gnus-article-decoded-p)
4423 (make-local-variable 'gnus-article-mime-handle-alist)
4424 (make-local-variable 'gnus-article-wash-types)
4425 (make-local-variable 'gnus-article-image-alist)
4426 (make-local-variable 'gnus-article-charset)
4427 (make-local-variable 'gnus-article-ignored-charsets)
4428 (set (make-local-variable 'bookmark-make-record-function)
4429 'gnus-summary-bookmark-make-record)
4430 ;; Prevent Emacs 22 from displaying non-break space with `nobreak-space'
4432 (set (make-local-variable 'nobreak-char-display) nil)
4433 (setq cursor-in-non-selected-windows nil)
4434 (gnus-set-default-directory)
4435 (buffer-disable-undo)
4436 (setq buffer-read-only t
4437 show-trailing-whitespace nil)
4438 (set-syntax-table gnus-article-mode-syntax-table)
4439 (mm-enable-multibyte)
4440 (gnus-run-mode-hooks 'gnus-article-mode-hook))
4442 (defun gnus-article-setup-buffer ()
4443 "Initialize the article buffer."
4444 (let* ((name (if gnus-single-article-buffer "*Article*"
4445 (concat "*Article " gnus-newsgroup-name "*")))
4447 (progn (string-match "\\*Article" name)
4448 (concat " *Original Article"
4449 (substring name (match-end 0))))))
4450 (setq gnus-article-buffer name)
4451 (setq gnus-original-article-buffer original)
4452 (setq gnus-article-mime-handle-alist nil)
4453 (with-current-buffer gnus-summary-buffer
4454 ;; This might be a variable local to the summary buffer.
4455 (unless gnus-single-article-buffer
4456 (setq gnus-article-buffer name)
4457 (setq gnus-original-article-buffer original)
4458 (gnus-set-global-variables)))
4459 (gnus-article-setup-highlight-words)
4460 ;; Init original article buffer.
4461 (with-current-buffer (gnus-get-buffer-create gnus-original-article-buffer)
4462 (mm-enable-multibyte)
4463 (setq major-mode 'gnus-original-article-mode)
4464 (make-local-variable 'gnus-original-article))
4465 (if (and (get-buffer name)
4466 (with-current-buffer name
4467 (if gnus-article-edit-mode
4468 (if (y-or-n-p "Article mode edit in progress; discard? ")
4470 (set-buffer-modified-p nil)
4471 (gnus-kill-buffer name)
4474 (error "Action aborted"))
4476 (with-current-buffer name
4477 (set (make-local-variable 'gnus-article-edit-mode) nil)
4478 (when gnus-article-mime-handles
4479 (mm-destroy-parts gnus-article-mime-handles)
4480 (setq gnus-article-mime-handles nil))
4481 ;; Set it to nil in article-buffer!
4482 (setq gnus-article-mime-handle-alist nil)
4483 (buffer-disable-undo)
4484 (setq buffer-read-only t)
4485 (unless (eq major-mode 'gnus-article-mode)
4486 (gnus-article-mode))
4487 (setq truncate-lines gnus-article-truncate-lines)
4489 (with-current-buffer (gnus-get-buffer-create name)
4491 (setq truncate-lines gnus-article-truncate-lines)
4492 (make-local-variable 'gnus-summary-buffer)
4493 (setq gnus-summary-buffer
4494 (gnus-summary-buffer-name gnus-newsgroup-name))
4495 (gnus-summary-set-local-parameters gnus-newsgroup-name)
4496 (current-buffer)))))
4498 ;; Set article window start at LINE, where LINE is the number of lines
4499 ;; from the head of the article.
4500 (defun gnus-article-set-window-start (&optional line)
4501 (let ((article-window (gnus-get-buffer-window gnus-article-buffer t)))
4502 (when article-window
4505 (with-current-buffer gnus-article-buffer
4506 (goto-char (point-min))
4509 (gnus-message 6 "Moved to bookmark")
4510 (search-forward "\n\n" nil t)
4514 (defun gnus-article-prepare (article &optional all-headers header)
4515 "Prepare ARTICLE in article mode buffer.
4516 ARTICLE should either be an article number or a Message-ID.
4517 If ARTICLE is an id, HEADER should be the article headers.
4518 If ALL-HEADERS is non-nil, no headers are hidden."
4520 ;; Make sure we start in a summary buffer.
4521 (unless (eq major-mode 'gnus-summary-mode)
4522 (set-buffer gnus-summary-buffer))
4523 (setq gnus-summary-buffer (current-buffer))
4524 (let* ((gnus-article (if header (mail-header-number header) article))
4525 (summary-buffer (current-buffer))
4526 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
4527 (group gnus-newsgroup-name)
4530 (gnus-article-setup-buffer)
4531 (set-buffer gnus-article-buffer)
4532 ;; Deactivate active regions.
4533 (when (and (boundp 'transient-mark-mode)
4534 transient-mark-mode)
4535 (setq mark-active nil))
4536 (if (not (setq result (let ((inhibit-read-only t))
4537 (gnus-request-article-this-buffer
4539 ;; There is no such article.
4541 (when (and (numberp article)
4542 (not (memq article gnus-newsgroup-sparse)))
4543 (setq gnus-article-current
4544 (cons gnus-newsgroup-name article))
4545 (set-buffer gnus-summary-buffer)
4546 (setq gnus-current-article article)
4547 (if (and (memq article gnus-newsgroup-undownloaded)
4548 (not (gnus-online (gnus-find-method-for-group
4549 gnus-newsgroup-name))))
4551 (gnus-summary-set-agent-mark article)
4552 (message "Message marked for downloading"))
4553 (gnus-summary-mark-article article gnus-canceled-mark)
4554 (unless (memq article gnus-newsgroup-sparse)
4555 (gnus-error 1 "No such article (may have expired or been canceled)")))))
4556 (if (or (eq result 'pseudo)
4557 (eq result 'nneething))
4559 (with-current-buffer summary-buffer
4560 (push article gnus-newsgroup-history)
4561 (setq gnus-last-article gnus-current-article
4562 gnus-current-article 0
4563 gnus-current-headers nil
4564 gnus-article-current nil)
4565 (if (eq result 'nneething)
4566 (gnus-configure-windows 'summary)
4567 (gnus-configure-windows 'article))
4568 (gnus-set-global-variables))
4569 (let ((gnus-article-mime-handle-alist-1
4570 gnus-article-mime-handle-alist))
4571 (gnus-set-mode-line 'article)))
4572 ;; The result from the `request' was an actual article -
4573 ;; or at least some text that is now displayed in the
4575 (when (and (numberp article)
4576 (not (eq article gnus-current-article)))
4577 ;; Seems like a new article has been selected.
4578 ;; `gnus-current-article' must be an article number.
4579 (with-current-buffer summary-buffer
4580 (push article gnus-newsgroup-history)
4581 (setq gnus-last-article gnus-current-article
4582 gnus-current-article article
4583 gnus-current-headers
4584 (gnus-summary-article-header gnus-current-article)
4585 gnus-article-current
4586 (cons gnus-newsgroup-name gnus-current-article))
4587 (unless (vectorp gnus-current-headers)
4588 (setq gnus-current-headers nil))
4589 (gnus-summary-goto-subject gnus-current-article)
4590 (when (gnus-summary-show-thread)
4591 ;; If the summary buffer really was folded, the
4592 ;; previous goto may not actually have gone to
4593 ;; the right article, but the thread root instead.
4595 (gnus-summary-goto-subject gnus-current-article))
4596 (gnus-run-hooks 'gnus-mark-article-hook)
4597 (gnus-set-mode-line 'summary)
4598 (when (gnus-visual-p 'article-highlight 'highlight)
4599 (gnus-run-hooks 'gnus-visual-mark-article-hook))
4600 ;; Set the global newsgroup variables here.
4601 (gnus-set-global-variables)
4602 (setq gnus-have-all-headers
4603 (or all-headers gnus-show-all-headers))))
4605 (gnus-configure-windows 'article))
4606 (when (or (numberp article)
4608 (gnus-article-prepare-display)
4610 (goto-char (point-min))
4611 (when gnus-break-pages
4612 (gnus-narrow-to-page)))
4613 (let ((gnus-article-mime-handle-alist-1
4614 gnus-article-mime-handle-alist))
4615 (gnus-set-mode-line 'article))
4619 (set-window-point (get-buffer-window (current-buffer)) (point))
4620 (gnus-configure-windows 'article)
4624 (defun gnus-article-prepare-display ()
4625 "Make the current buffer look like a nice article."
4626 ;; Hooks for getting information from the article.
4627 ;; This hook must be called before being narrowed.
4628 (let ((gnus-article-buffer (current-buffer))
4630 (inhibit-read-only t))
4631 (unless (eq major-mode 'gnus-article-mode)
4632 (gnus-article-mode))
4633 (setq buffer-read-only nil
4634 gnus-article-wash-types nil
4635 gnus-article-image-alist nil)
4636 (gnus-run-hooks 'gnus-tmp-internal-hook)
4637 (when gnus-display-mime-function
4638 (funcall gnus-display-mime-function))
4639 (gnus-run-hooks 'gnus-article-prepare-hook)))
4642 ;;; Gnus Sticky Article Mode
4645 (define-derived-mode gnus-sticky-article-mode gnus-article-mode "StickyArticle"
4646 "Mode for sticky articles."
4647 ;; Release bindings that won't work.
4648 (substitute-key-definition 'gnus-article-read-summary-keys 'undefined
4649 gnus-sticky-article-mode-map)
4650 (substitute-key-definition 'gnus-article-refer-article 'undefined
4651 gnus-sticky-article-mode-map)
4652 (dolist (k '("e" "h" "s" "F" "R"))
4653 (define-key gnus-sticky-article-mode-map k nil))
4654 (define-key gnus-sticky-article-mode-map "k" 'gnus-kill-sticky-article-buffer)
4655 (define-key gnus-sticky-article-mode-map "q" 'bury-buffer)
4656 (define-key gnus-sticky-article-mode-map "\C-hc" 'describe-key-briefly)
4657 (define-key gnus-sticky-article-mode-map "\C-hk" 'describe-key))
4659 (defun gnus-sticky-article (arg)
4660 "Make the current article sticky.
4661 If a prefix ARG is given, ask for a name for this sticky article buffer."
4663 (gnus-summary-show-thread)
4664 (gnus-summary-select-article nil nil 'pseudo)
4665 (let (new-art-buf-name)
4666 (gnus-eval-in-buffer-window gnus-article-buffer
4667 (setq new-art-buf-name
4671 (read-from-minibuffer "Sticky article buffer name: ")
4672 (gnus-with-article-headers
4673 (gnus-article-goto-header "subject")
4674 (setq new-art-buf-name
4675 (buffer-substring-no-properties
4676 (line-beginning-position) (line-end-position)))
4677 (goto-char (point-min))
4678 (gnus-article-goto-header "from")
4679 (setq new-art-buf-name
4681 new-art-buf-name ", "
4682 (buffer-substring-no-properties
4683 (line-beginning-position) (line-end-position))))
4684 (goto-char (point-min))
4685 (gnus-article-goto-header "date")
4686 (setq new-art-buf-name
4688 new-art-buf-name ", "
4689 (buffer-substring-no-properties
4690 (line-beginning-position) (line-end-position))))))
4692 (if (and (gnus-buffer-live-p new-art-buf-name)
4693 (with-current-buffer new-art-buf-name
4694 (eq major-mode 'gnus-sticky-article-mode)))
4695 (switch-to-buffer new-art-buf-name)
4696 (setq new-art-buf-name (rename-buffer new-art-buf-name t)))
4697 (gnus-sticky-article-mode))
4698 (setq gnus-article-buffer new-art-buf-name))
4699 (gnus-summary-recenter)
4700 (gnus-summary-position-point))
4702 (defun gnus-kill-sticky-article-buffer (&optional buffer)
4703 "Kill the given sticky article BUFFER.
4704 If none is given, assume the current buffer and kill it if it has
4705 `gnus-sticky-article-mode'."
4708 (setq buffer (current-buffer)))
4709 (with-current-buffer buffer
4710 (when (eq major-mode 'gnus-sticky-article-mode)
4711 (gnus-kill-buffer buffer))))
4713 (defun gnus-kill-sticky-article-buffers (arg)
4714 "Kill all sticky article buffers.
4715 If a prefix ARG is given, ask for confirmation."
4717 (dolist (buf (gnus-buffers))
4718 (with-current-buffer buf
4719 (when (eq major-mode 'gnus-sticky-article-mode)
4721 (gnus-kill-buffer buf)
4722 (when (yes-or-no-p (concat "Kill buffer " (buffer-name buf) "? "))
4723 (gnus-kill-buffer buf)))))))
4726 ;;; Gnus MIME viewing functions
4729 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
4730 "Format of the MIME buttons.
4732 Valid specifiers include:
4734 %T MIME type, along with additional info
4735 %n The `name' parameter
4736 %d The description, if any
4737 %l The length of the encoded part
4738 %p The part identifier number
4739 %e Dots if the part isn't displayed
4741 General format specifiers can also be used. See Info node
4742 `(gnus)Formatting Variables'.")
4744 (defvar gnus-mime-button-line-format-alist
4745 '((?t gnus-tmp-type ?s)
4746 (?T gnus-tmp-type-long ?s)
4747 (?n gnus-tmp-name ?s)
4748 (?d gnus-tmp-description ?s)
4750 (?l gnus-tmp-length ?d)
4751 (?e gnus-tmp-dots ?s)))
4753 (defvar gnus-mime-button-commands
4754 '((gnus-article-press-button "\r" "Toggle Display")
4755 (gnus-mime-view-part "v" "View Interactively...")
4756 (gnus-mime-view-part-as-type "t" "View As Type...")
4757 (gnus-mime-view-part-as-charset "C" "View As charset...")
4758 (gnus-mime-save-part "o" "Save...")
4759 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4760 (gnus-mime-replace-part "r" "Replace part")
4761 (gnus-mime-delete-part "d" "Delete part")
4762 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4763 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4764 (gnus-mime-view-part-internally "E" "View Internally") ;; Why `E'?
4765 (gnus-mime-view-part-externally "e" "View Externally")
4766 (gnus-mime-print-part "p" "Print")
4767 (gnus-mime-pipe-part "|" "Pipe To Command...")
4768 (gnus-mime-action-on-part "." "Take action on the part...")))
4770 (defun gnus-article-mime-part-status ()
4771 (if gnus-article-mime-handle-alist-1
4772 (if (eq 1 (length gnus-article-mime-handle-alist-1))
4774 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
4777 (defvar gnus-mime-button-map
4778 (let ((map (make-sparse-keymap)))
4779 (define-key map gnus-mouse-2 'gnus-article-push-button)
4780 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4781 (dolist (c gnus-mime-button-commands)
4782 (define-key map (cadr c) (car c)))
4786 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4788 ,@(mapcar (lambda (c)
4789 (vector (caddr c) (car c) :active t))
4790 gnus-mime-button-commands)))
4792 (defvar gnus-url-button-commands
4793 '((gnus-article-copy-string "u" "Copy URL to kill ring")))
4795 (defvar gnus-url-button-map
4796 (let ((map (make-sparse-keymap)))
4797 (dolist (c gnus-url-button-commands)
4798 (define-key map (cadr c) (car c)))
4802 gnus-url-button-menu gnus-url-button-map "URL button menu."
4804 ,@(mapcar (lambda (c)
4805 (vector (caddr c) (car c) :active t))
4806 gnus-url-button-commands)))
4808 (defmacro gnus-bind-safe-url-regexp (&rest body)
4809 "Bind `mm-w3m-safe-url-regexp' according to `gnus-safe-html-newsgroups'."
4810 `(let ((mm-w3m-safe-url-regexp
4811 (let ((group (if (and (eq major-mode 'gnus-article-mode)
4813 gnus-article-current-summary))
4814 (with-current-buffer gnus-article-current-summary
4815 gnus-newsgroup-name)
4816 gnus-newsgroup-name)))
4817 (if (cond ((not group)
4818 ;; Maybe we're in a mml-preview buffer
4819 ;; and no group is selected.
4821 ((stringp gnus-safe-html-newsgroups)
4822 (string-match gnus-safe-html-newsgroups group))
4823 ((consp gnus-safe-html-newsgroups)
4824 (member group gnus-safe-html-newsgroups)))
4826 mm-w3m-safe-url-regexp))))
4829 (defun gnus-mime-button-menu (event prefix)
4830 "Construct a context-sensitive menu of MIME commands."
4831 (interactive "e\nP")
4832 (save-window-excursion
4833 (let ((pos (event-start event)))
4834 (select-window (posn-window pos))
4835 (goto-char (posn-point pos))
4836 (gnus-article-check-buffer)
4837 (popup-menu gnus-mime-button-menu nil prefix))))
4839 (defun gnus-mime-view-all-parts (&optional handles)
4840 "View all the MIME parts."
4842 (with-current-buffer gnus-article-buffer
4843 (let ((handles (or handles gnus-article-mime-handles))
4844 (mail-parse-charset gnus-newsgroup-charset)
4845 (mail-parse-ignored-charsets
4846 (with-current-buffer gnus-summary-buffer
4847 gnus-newsgroup-ignored-charsets)))
4849 (mm-remove-parts handles)
4850 (goto-char (point-min))
4851 (or (search-forward "\n\n") (goto-char (point-max)))
4852 (let ((inhibit-read-only t))
4853 (delete-region (point) (point-max))
4854 (gnus-bind-safe-url-regexp (mm-display-parts handles)))))))
4856 (defun gnus-article-jump-to-part (n)
4857 "Jump to MIME part N."
4859 (let ((parts (with-current-buffer gnus-article-buffer
4860 (length gnus-article-mime-handle-alist))))
4862 (error "No such part"))
4863 (pop-to-buffer gnus-article-buffer)
4864 ;; FIXME: why is it necessary?
4867 (setq n (if (= parts 1)
4869 (read-number (format "Jump to part (1..%s): " parts)))))
4870 (unless (and (integerp n) (<= n parts) (>= n 1))
4873 (gnus-message 7 "Invalid part `%s', using %s instead."
4876 (gnus-message 9 "Jumping to part %s." n)
4877 (cond ((>= gnus-auto-select-part 1)
4878 (while (and (<= n parts)
4879 (not (gnus-article-goto-part n)))
4881 ((< gnus-auto-select-part 0)
4882 (while (and (>= n 1)
4883 (not (gnus-article-goto-part n)))
4886 (gnus-article-goto-part n)))))
4888 (defvar gnus-mime-buttonized-part-id nil
4889 "ID of a mime part that should be buttonized.
4890 `gnus-mime-save-part-and-strip' and `gnus-mime-delete-part' bind it.")
4893 (defsubst gnus-article-edit-part (handles &optional current-id)
4894 "Edit an article in order to delete a mime part.
4895 This function is exclusively used by `gnus-mime-save-part-and-strip'
4896 and `gnus-mime-delete-part', and not provided at run-time normally."
4897 (gnus-article-edit-article
4899 (buffer-disable-undo)
4901 (let ((mail-parse-charset (or gnus-article-charset
4902 ',gnus-newsgroup-charset))
4903 (mail-parse-ignored-charsets
4904 (or gnus-article-ignored-charsets
4905 ',gnus-newsgroup-ignored-charsets))
4906 (mbl mml-buffer-list))
4907 (setq mml-buffer-list nil)
4908 (insert-buffer-substring gnus-original-article-buffer)
4909 (mime-to-mml ',handles)
4910 (setq gnus-article-mime-handles nil)
4911 (let ((mbl1 mml-buffer-list))
4912 (setq mml-buffer-list mbl)
4913 (set (make-local-variable 'mml-buffer-list) mbl1))
4914 (gnus-make-local-hook 'kill-buffer-hook)
4915 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4916 `(lambda (no-highlight)
4917 (let ((mail-parse-charset (or gnus-article-charset
4918 ',gnus-newsgroup-charset))
4919 (message-options message-options)
4920 (message-options-set-recipient)
4921 (mail-parse-ignored-charsets
4922 (or gnus-article-ignored-charsets
4923 ',gnus-newsgroup-ignored-charsets)))
4925 (mml-destroy-buffers)
4926 (remove-hook 'kill-buffer-hook
4927 'mml-destroy-buffers t)
4928 (kill-local-variable 'mml-buffer-list))
4929 (gnus-summary-edit-article-done
4930 ,(or (mail-header-references gnus-current-headers) "")
4931 ,(gnus-group-read-only-p)
4932 ,gnus-summary-buffer no-highlight))
4934 ;; Force buttonizing this part.
4935 (let ((gnus-mime-buttonized-part-id current-id))
4936 (gnus-article-edit-done))
4937 (gnus-configure-windows 'article)
4938 (when (and current-id (integerp gnus-auto-select-part))
4939 (gnus-article-jump-to-part
4940 (min (max (+ current-id gnus-auto-select-part) 1)
4941 (with-current-buffer gnus-article-buffer
4942 (length gnus-article-mime-handle-alist)))))))
4944 (defun gnus-mime-replace-part (file)
4945 "Replace MIME part under point with an external body."
4946 ;; Useful if file has already been saved to disk
4949 (read-file-name "Replace MIME part with file: "
4950 (or mm-default-directory default-directory)
4952 (gnus-mime-save-part-and-strip file))
4954 (defun gnus-mime-save-part-and-strip (&optional file)
4955 "Save the MIME part under point then replace it with an external body.
4956 If FILE is given, use it for the external part."
4958 (gnus-article-check-buffer)
4959 (when (gnus-group-read-only-p)
4960 (error "The current group does not support deleting of parts"))
4961 (when (mm-complicated-handles gnus-article-mime-handles)
4963 The current article has a complicated MIME structure, giving up..."))
4964 (let* ((data (get-text-property (point) 'gnus-data))
4965 (id (get-text-property (point) 'gnus-part))
4967 (handles gnus-article-mime-handles))
4970 (and data (mm-save-part data "Delete MIME part and save to: "))))
4972 (with-current-buffer (mm-handle-buffer data)
4974 (insert "Content-Type: " (mm-handle-media-type data))
4975 (mml-insert-parameter-string (cdr (mm-handle-type data))
4977 ;; Add a filename for the sake of saving the part again.
4978 (mml-insert-parameter
4979 (mail-header-encode-parameter "name" (file-name-nondirectory file)))
4981 (insert "Content-ID: " (message-make-message-id) "\n")
4982 (insert "Content-Transfer-Encoding: binary\n")
4985 (cdr (mm-make-handle nil
4986 `("message/external-body"
4987 (access-type . "LOCAL-FILE")
4989 ;; (set-buffer gnus-summary-buffer)
4990 (gnus-article-edit-part handles id))))
4992 ;; A function like `gnus-summary-save-parts' (`X m', `<MIME> <Extract all
4993 ;; parts...>') but with stripping would be nice.
4995 (defun gnus-mime-delete-part ()
4996 "Delete the MIME part under point.
4997 Replace it with some information about the removed part."
4999 (gnus-article-check-buffer)
5000 (when (gnus-group-read-only-p)
5001 (error "The current group does not support deleting of parts"))
5002 (when (mm-complicated-handles gnus-article-mime-handles)
5004 The current article has a complicated MIME structure, giving up..."))
5005 (when (or gnus-expert-user
5006 (gnus-yes-or-no-p "\
5007 Deleting parts may malfunction or destroy the article; continue? "))
5008 (let* ((data (get-text-property (point) 'gnus-data))
5009 (id (get-text-property (point) 'gnus-part))
5010 (handles gnus-article-mime-handles)
5013 (let ((desc (mm-handle-description data)))
5015 (mail-decode-encoded-word-string desc))))
5017 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
5019 (type (mm-handle-media-type data)))
5021 (error "No MIME part under point"))
5022 (with-current-buffer (mm-handle-buffer data)
5023 (let ((bsize (buffer-size)))
5028 "| The following attachment has been deleted:\n"
5030 "| Type: " type "\n"
5031 "| Filename: " filename "\n"
5032 "| Size (encoded): " (format "%s byte%s\n"
5033 bsize (if (= bsize 1)
5037 (concat "| Description: " description "\n"))
5040 (cdr (mm-make-handle
5041 nil `("text/plain" (charset . gnus-decoded)) nil nil
5043 (format "Deleted attachment (%s bytes)" bsize))))))
5044 ;; (set-buffer gnus-summary-buffer)
5045 (gnus-article-edit-part handles id))))
5047 (defun gnus-mime-save-part ()
5048 "Save the MIME part under point."
5050 (gnus-article-check-buffer)
5051 (let ((data (get-text-property (point) 'gnus-data)))
5053 (mm-save-part data))))
5055 (defun gnus-mime-pipe-part (&optional cmd)
5056 "Pipe the MIME part under point to a process.
5057 Use CMD as the process."
5059 (gnus-article-check-buffer)
5060 (let ((data (get-text-property (point) 'gnus-data)))
5062 (mm-pipe-part data cmd))))
5064 (defun gnus-mime-view-part ()
5065 "Interactively choose a viewing method for the MIME part under point."
5067 (gnus-article-check-buffer)
5068 (let ((data (get-text-property (point) 'gnus-data)))
5070 (setq gnus-article-mime-handles
5072 gnus-article-mime-handles (setq data (copy-sequence data))))
5073 (mm-interactively-view-part data))))
5075 (defun gnus-mime-view-part-as-type-internal ()
5076 (gnus-article-check-buffer)
5077 (let* ((handle (get-text-property (point) 'gnus-data))
5079 ;; Content-Type: foo/bar; name=...
5080 (mail-content-type-get (mm-handle-type handle) 'name)
5081 ;; Content-Disposition: attachment; filename=...
5082 (cdr (assq 'filename (cdr (mm-handle-disposition handle))))))
5083 (def-type (and name (mm-default-file-encoding name))))
5084 (or (and def-type (cons def-type 0))
5086 (equal (mm-handle-media-supertype handle) "text")
5087 '("text/plain" . 0))
5088 '("application/octet-stream" . 0))))
5090 (defun gnus-mime-view-part-as-type (&optional mime-type pred)
5091 "Choose a MIME media type, and view the part as such.
5092 If non-nil, PRED is a predicate to use during completion to limit the
5093 available media-types."
5097 (let ((default (gnus-mime-view-part-as-type-internal)))
5098 (gnus-completing-read
5101 (gnus-remove-if-not pred (mailcap-mime-types))
5102 (mailcap-mime-types))
5105 (gnus-article-check-buffer)
5106 (let ((handle (get-text-property (point) 'gnus-data)))
5108 (when (equal (mm-handle-media-type handle) "message/external-body")
5109 (unless (mm-handle-cache handle)
5110 (mm-extern-cache-contents handle))
5111 (setq handle (mm-handle-cache handle)))
5113 (mm-make-handle (mm-handle-buffer handle)
5114 (cons mime-type (cdr (mm-handle-type handle)))
5115 (mm-handle-encoding handle)
5116 (mm-handle-undisplayer handle)
5117 (mm-handle-disposition handle)
5118 (mm-handle-description handle)
5120 (mm-handle-id handle)))
5121 (setq gnus-article-mime-handles
5122 (mm-merge-handles gnus-article-mime-handles handle))
5123 (when (mm-handle-displayed-p handle)
5124 (mm-remove-part handle))
5125 (gnus-mm-display-part handle))))
5127 (defun gnus-mime-copy-part (&optional handle arg)
5128 "Put the MIME part under point into a new buffer.
5129 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
5131 (interactive (list nil current-prefix-arg))
5132 (gnus-article-check-buffer)
5134 (setq handle (get-text-property (point) 'gnus-data)))
5136 (let ((filename (or (mail-content-type-get (mm-handle-type handle)
5138 (mail-content-type-get (mm-handle-disposition handle)
5140 contents dont-decode charset coding-system)
5141 (mm-with-unibyte-buffer
5142 (mm-insert-part handle)
5143 (setq contents (or (condition-case nil
5144 (mm-decompress-buffer filename nil 'sig)
5146 (setq dont-decode t)
5149 (setq filename (cond (filename (file-name-nondirectory filename))
5150 (dont-decode "*raw data*")
5155 (unless (setq charset (mail-content-type-get
5156 (mm-handle-type handle) 'charset))
5157 (unless (setq coding-system (mm-with-unibyte-buffer
5159 (mm-find-buffer-file-coding-system)))
5160 (setq charset gnus-newsgroup-charset))))
5162 (setq charset (or (cdr (assq arg
5163 gnus-summary-show-article-charset-alist))
5164 (mm-read-coding-system "Charset: ")))))
5165 (switch-to-buffer (generate-new-buffer filename))
5166 (if (or coding-system
5168 (setq coding-system (mm-charset-to-coding-system charset))
5169 (not (eq coding-system 'ascii))))
5171 (mm-enable-multibyte)
5172 (insert (mm-decode-coding-string contents coding-system))
5173 (setq buffer-file-coding-system
5174 (if (boundp 'last-coding-system-used)
5175 (symbol-value 'last-coding-system-used)
5177 (mm-disable-multibyte)
5179 (setq buffer-file-coding-system mm-binary-coding-system))
5180 ;; We do it this way to make `normal-mode' set the appropriate mode.
5183 (setq buffer-file-name (expand-file-name filename))
5185 (setq buffer-file-name nil))
5186 (goto-char (point-min)))))
5188 (defun gnus-mime-print-part (&optional handle filename)
5189 "Print the MIME part under point."
5190 (interactive (list nil (ps-print-preprint current-prefix-arg)))
5191 (gnus-article-check-buffer)
5192 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
5193 (contents (and handle (mm-get-part handle)))
5194 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
5195 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
5200 (mm-save-part-to-file handle file)
5201 (call-process shell-file-name nil
5202 (generate-new-buffer " *mm*")
5204 shell-command-switch
5206 printer file (mm-handle-type handle))))
5210 (gnus-print-buffer))
5211 (ps-despool filename)))))
5213 (defun gnus-mime-inline-part (&optional handle arg)
5214 "Insert the MIME part under point into the current buffer.
5215 Compressed files like .gz and .bz2 are decompressed."
5216 (interactive (list nil current-prefix-arg))
5217 (gnus-article-check-buffer)
5219 (setq handle (get-text-property (point) 'gnus-data)))
5222 (inhibit-read-only t)
5223 contents charset coding-system)
5224 (if (and (not arg) (mm-handle-undisplayer handle))
5225 (mm-remove-part handle)
5226 (mm-with-unibyte-buffer
5227 (mm-insert-part handle)
5229 (or (mm-decompress-buffer
5230 (or (mail-content-type-get (mm-handle-type handle)
5232 (mail-content-type-get (mm-handle-disposition handle)
5238 (unless (setq charset (mail-content-type-get
5239 (mm-handle-type handle) 'charset))
5240 (unless (setq coding-system
5241 (mm-with-unibyte-buffer
5243 (mm-find-buffer-file-coding-system)))
5244 (setq charset gnus-newsgroup-charset))))
5246 (if (mm-handle-undisplayer handle)
5247 (mm-remove-part handle))
5250 gnus-summary-show-article-charset-alist))
5251 (mm-read-coding-system "Charset: "))))
5253 (if (mm-handle-undisplayer handle)
5254 (mm-remove-part handle))))
5256 (mm-display-inline handle)
5259 (defun gnus-mime-set-charset-parameters (handle charset)
5260 "Set CHARSET to parameters in HANDLE.
5261 CHARSET may either be a string or a symbol."
5262 (unless (stringp charset)
5263 (setq charset (symbol-name charset)))
5264 (if (stringp (car handle))
5265 (dolist (h (cdr handle))
5266 (gnus-mime-set-charset-parameters h charset))
5267 (let* ((type (mm-handle-type (if (equal (mm-handle-media-type handle)
5268 "message/external-body")
5270 (unless (mm-handle-cache handle)
5271 (mm-extern-cache-contents handle))
5272 (mm-handle-cache handle))
5274 (param (assq 'charset (cdr type))))
5276 (setcdr param charset)
5277 (setcdr type (cons (cons 'charset charset) (cdr type)))))))
5279 (defun gnus-mime-view-part-as-charset (&optional handle arg)
5280 "Insert the MIME part under point into the current buffer using the
5282 (interactive (list nil current-prefix-arg))
5283 (gnus-article-check-buffer)
5284 (let ((handle (or handle (get-text-property (point) 'gnus-data)))
5285 (fun (get-text-property (point) 'gnus-callback))
5286 (gnus-newsgroup-ignored-charsets 'gnus-all)
5287 charset form preferred parts)
5294 gnus-summary-show-article-charset-alist))
5295 (mm-read-coding-system "Charset: "))))
5296 (if (mm-handle-undisplayer handle)
5297 (mm-remove-part handle)))
5298 (gnus-mime-set-charset-parameters handle charset)
5299 (when (and (consp (setq form (cdr-safe fun)))
5300 (setq form (ignore-errors
5301 (assq 'gnus-mime-display-alternative form)))
5302 (setq preferred (caddr form))
5304 (when (eq (car preferred) 'quote)
5305 (setq preferred (cadr preferred)))
5306 (not (equal preferred
5307 (get-text-property (point) 'gnus-data))))
5308 (setq parts (get-text-property (point) 'gnus-part))
5309 (setq parts (cdr (assq parts
5310 gnus-article-mime-handle-alist)))
5311 (equal (mm-handle-media-type parts) "multipart/alternative")
5312 (setq parts (reverse (cdr parts))))
5314 (list 'quote (or (cadr (member preferred parts))
5316 (funcall fun handle)))))
5318 (defun gnus-mime-view-part-externally (&optional handle)
5319 "View the MIME part under point with an external viewer."
5321 (gnus-article-check-buffer)
5322 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
5323 (mm-user-display-methods nil)
5324 (mm-inlined-types nil)
5325 (mail-parse-charset gnus-newsgroup-charset)
5326 (mail-parse-ignored-charsets
5327 (with-current-buffer gnus-summary-buffer
5328 gnus-newsgroup-ignored-charsets))
5329 (type (mm-handle-media-type handle))
5330 (method (mailcap-mime-info type))
5331 (mm-enable-external t))
5332 (if (not (stringp method))
5333 (gnus-mime-view-part-as-type
5334 nil (lambda (type) (stringp (mailcap-mime-info type))))
5336 (mm-display-part handle nil t)))))
5338 (defun gnus-mime-view-part-internally (&optional handle)
5339 "View the MIME part under point with an internal viewer.
5340 If no internal viewer is available, use an external viewer."
5342 (gnus-article-check-buffer)
5343 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
5344 (mm-inlined-types '(".*"))
5345 (mm-inline-large-images t)
5346 (mail-parse-charset gnus-newsgroup-charset)
5347 (mail-parse-ignored-charsets
5348 (with-current-buffer gnus-summary-buffer
5349 gnus-newsgroup-ignored-charsets))
5350 (inhibit-read-only t))
5351 (if (not (mm-inlinable-p handle))
5352 (gnus-mime-view-part-as-type
5353 nil (lambda (type) (mm-inlinable-p handle type)))
5355 (gnus-bind-safe-url-regexp (mm-display-part handle))))))
5357 (defun gnus-mime-action-on-part (&optional action)
5358 "Do something with the MIME attachment at \(point\)."
5360 (list (gnus-completing-read "Action" (mapcar 'car gnus-mime-action-alist) t)))
5361 (gnus-article-check-buffer)
5362 (let ((action-pair (assoc action gnus-mime-action-alist)))
5364 (funcall (cdr action-pair)))))
5366 (defun gnus-article-part-wrapper (n function &optional no-handle interactive)
5367 "Call FUNCTION on MIME part N.
5368 Unless NO-HANDLE, call FUNCTION with N-th MIME handle as it's only argument.
5369 If INTERACTIVE, call FUNCTION interactivly."
5371 ;; Check whether the article is displayed.
5372 (unless (and (gnus-buffer-live-p gnus-article-buffer)
5373 (setq window (get-buffer-window gnus-article-buffer t))
5374 (frame-visible-p (setq frame (window-frame window))))
5375 (error "No article is displayed"))
5376 (with-current-buffer gnus-article-buffer
5377 ;; Check whether the article displays the right contents.
5378 (unless (with-current-buffer gnus-summary-buffer
5379 (eq gnus-current-article (gnus-summary-article-number)))
5380 (error "You should select the right article first"))
5382 (setq n (prefix-numeric-value n))
5384 (setq n (or (get-text-property pt 'gnus-part)
5386 (get-text-property (1- pt) 'gnus-part))
5387 (get-text-property (prog2
5393 (or (and (setq pt (previous-single-property-change
5396 (next-single-property-change (point) 'gnus-part)
5400 ;; Check whether the specified part exists.
5401 (when (> n (length gnus-article-mime-handle-alist))
5402 (error "No such part")))
5405 ;; To select the window is needed so that the cursor
5406 ;; might be visible on the MIME button.
5407 (select-window (prog1
5409 (setq window (selected-window))
5410 ;; Article may be displayed in the other frame.
5411 (gnus-select-frame-set-input-focus
5414 (setq frame (selected-frame))))))
5415 (when (gnus-article-goto-part n)
5416 ;; We point the cursor and the arrow at the MIME button
5417 ;; when the `function' prompt the user for something.
5418 (unless (and (pos-visible-in-window-p)
5419 (> (count-lines (point) (window-end))
5420 (/ (1- (window-height)) 3)))
5421 (recenter (/ (1- (window-height)) 3)))
5422 (let ((cursor-in-non-selected-windows t)
5423 (overlay-arrow-string "=>")
5424 (overlay-arrow-position (point-marker)))
5427 ((and no-handle interactive)
5428 (call-interactively function))
5433 function (get-text-property (point) 'gnus-data)))
5436 (get-text-property (point) 'gnus-data))))
5437 (set-marker overlay-arrow-position nil)
5438 (unless gnus-auto-select-part
5439 (gnus-select-frame-set-input-focus frame)
5440 (select-window window))))
5442 (if gnus-inhibit-mime-unbuttonizing
5443 ;; This is the default though the program shouldn't reach here.
5444 (error "No such part")
5445 ;; The part which doesn't have the MIME button is selected.
5446 ;; So, we display all the buttons and redo it.
5447 (let ((gnus-inhibit-mime-unbuttonizing t))
5448 (gnus-summary-show-article)
5449 (gnus-article-part-wrapper n function no-handle))))))
5451 (defun gnus-article-pipe-part (n)
5452 "Pipe MIME part N, which is the numerical prefix."
5454 (gnus-article-part-wrapper n 'mm-pipe-part))
5456 (defun gnus-article-save-part (n)
5457 "Save MIME part N, which is the numerical prefix."
5459 (gnus-article-part-wrapper n 'mm-save-part))
5461 (defun gnus-article-interactively-view-part (n)
5462 "View MIME part N interactively, which is the numerical prefix."
5464 (gnus-article-part-wrapper n 'mm-interactively-view-part))
5466 (defun gnus-article-copy-part (n)
5467 "Copy MIME part N, which is the numerical prefix."
5469 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
5471 (defun gnus-article-view-part-as-charset (n)
5472 "View MIME part N using a specified charset.
5473 N is the numerical prefix."
5475 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
5477 (defun gnus-article-view-part-externally (n)
5478 "View MIME part N externally, which is the numerical prefix."
5480 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
5482 (defun gnus-article-inline-part (n)
5483 "Inline MIME part N, which is the numerical prefix."
5485 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
5487 (defun gnus-article-save-part-and-strip (n)
5488 "Save MIME part N and replace it with an external body.
5489 N is the numerical prefix."
5491 (gnus-article-part-wrapper n 'gnus-mime-save-part-and-strip t))
5493 (defun gnus-article-replace-part (n)
5494 "Replace MIME part N with an external body.
5495 N is the numerical prefix."
5497 (gnus-article-part-wrapper n 'gnus-mime-replace-part t t))
5499 (defun gnus-article-delete-part (n)
5500 "Delete MIME part N and add some information about the removed part.
5501 N is the numerical prefix."
5503 (gnus-article-part-wrapper n 'gnus-mime-delete-part t))
5505 (defun gnus-article-view-part-as-type (n)
5506 "Choose a MIME media type, and view part N as such.
5507 N is the numerical prefix."
5509 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-type t))
5511 (defun gnus-article-mime-match-handle-first (condition)
5514 (dolist (ihandle gnus-article-mime-handle-alist)
5516 ((functionp condition)
5517 (funcall condition (cdr ihandle)))
5518 ((eq condition 'undisplayed)
5519 (not (or (mm-handle-undisplayer (cdr ihandle))
5520 (equal (mm-handle-media-type (cdr ihandle))
5521 "multipart/alternative"))))
5522 ((eq condition 'undisplayed-alternative)
5523 (not (mm-handle-undisplayer (cdr ihandle))))
5525 (gnus-article-goto-part (car ihandle))
5526 (or (not n) (< (car ihandle) n)))
5527 (setq n (car ihandle))))
5531 (defun gnus-article-view-part (&optional n)
5532 "View MIME part N, which is the numerical prefix.
5533 If the part is already shown, hide the part. If N is nil, view
5536 (with-current-buffer gnus-article-buffer
5537 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
5538 gnus-article-mime-match-handle-function)))
5539 (when (> n (length gnus-article-mime-handle-alist))
5540 (error "No such part"))
5541 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
5542 (when (gnus-article-goto-part n)
5543 (if (equal (car handle) "multipart/alternative")
5544 (gnus-article-press-button)
5545 (when (eq (gnus-mm-display-part handle) 'internal)
5546 (gnus-set-window-start)))))))
5548 (defsubst gnus-article-mime-total-parts ()
5549 (if (bufferp (car gnus-article-mime-handles))
5551 (1- (length gnus-article-mime-handles))))
5553 (defun gnus-mm-display-part (handle)
5554 "Display HANDLE and fix MIME button."
5555 (let ((id (get-text-property (point) 'gnus-part))
5557 (inhibit-read-only t))
5560 (let ((window (selected-window))
5561 (mail-parse-charset gnus-newsgroup-charset)
5562 (mail-parse-ignored-charsets
5563 (if (gnus-buffer-live-p gnus-summary-buffer)
5564 (with-current-buffer gnus-summary-buffer
5565 gnus-newsgroup-ignored-charsets)
5569 (let ((win (gnus-get-buffer-window (current-buffer) t))
5572 (select-window win))
5575 (if (mm-handle-displayed-p handle)
5576 ;; This will remove the part.
5577 (mm-display-part handle)
5579 (narrow-to-region (point)
5580 (if (eobp) (point) (1+ (point))))
5581 (gnus-bind-safe-url-regexp (mm-display-part handle))
5582 ;; We narrow to the part itself and
5583 ;; then call the treatment functions.
5584 (goto-char (point-min))
5586 (narrow-to-region (point) (point-max))
5589 (gnus-article-mime-total-parts)
5590 (mm-handle-media-type handle)))))
5591 (if (window-live-p window)
5592 (select-window window)))))
5595 (gnus-insert-mime-button
5596 handle id (list (mm-handle-displayed-p handle)))
5597 (goto-char point))))
5599 (defun gnus-article-goto-part (n)
5600 "Go to MIME part N."
5601 (when gnus-break-pages
5604 (let ((start (text-property-any (point-min) (point-max) 'gnus-part n))
5605 part handle end next handles)
5608 (if (setq handle (get-text-property start 'gnus-data))
5610 ;; Go to the displayed subpart, assuming this is
5611 ;; multipart/alternative.
5614 (while (and (not handle)
5617 (setq next (text-property-not-all part end
5620 handle (get-text-property part 'gnus-data))
5621 (push (cons handle part) handles)
5622 (unless (mm-handle-displayed-p handle)
5624 part (text-property-any part end 'gnus-data nil))))
5626 ;; No subpart is displayed, so we find preferred one.
5628 (cdr (assq (mm-preferred-alternative
5629 (nreverse (mapcar 'car handles)))
5632 (goto-char (1+ part))
5634 (when gnus-break-pages
5635 (gnus-narrow-to-page))))
5637 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
5638 (let ((gnus-tmp-name
5639 (or (mail-content-type-get (mm-handle-type handle) 'name)
5640 (mail-content-type-get (mm-handle-disposition handle) 'filename)
5641 (mail-content-type-get (mm-handle-type handle) 'url)
5643 (gnus-tmp-type (mm-handle-media-type handle))
5644 (gnus-tmp-description (or (mm-handle-description handle) ""))
5646 (if (if displayed (car displayed)
5647 (mm-handle-displayed-p handle))
5649 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
5651 gnus-tmp-type-long b e)
5652 (when (string-match ".*/" gnus-tmp-name)
5653 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
5654 (setq gnus-tmp-type-long (concat gnus-tmp-type
5655 (and (not (equal gnus-tmp-name ""))
5656 (concat "; " gnus-tmp-name))))
5657 (unless (equal gnus-tmp-description "")
5658 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
5663 gnus-mime-button-line-format gnus-mime-button-line-format-alist
5664 `(keymap ,gnus-mime-button-map
5665 gnus-callback gnus-mm-display-part
5666 gnus-part ,gnus-tmp-id
5667 article-type annotation
5670 ;; Exclude a newline.
5673 (when gnus-article-button-face
5674 (gnus-overlay-put (gnus-make-overlay b e nil t)
5675 'face gnus-article-button-face))
5676 (widget-convert-button
5679 :action 'gnus-widget-press-button
5680 :button-keymap gnus-mime-button-map
5683 ;; Needed to properly clear the message due to a bug in
5684 ;; wid-edit (XEmacs only).
5685 (if (boundp 'help-echo-owns-message)
5686 (setq help-echo-owns-message t))
5688 "%S: %s the MIME part; %S: more options"
5689 (aref gnus-mouse-2 0)
5690 (if (mm-handle-displayed-p (widget-get widget :mime-handle))
5692 (aref gnus-down-mouse-3 0))))))
5694 (defun gnus-widget-press-button (elems el)
5695 (goto-char (widget-get elems :from))
5696 (gnus-article-press-button))
5698 (defvar gnus-displaying-mime nil)
5700 (defun gnus-display-mime (&optional ihandles)
5701 "Display the MIME parts."
5703 (save-selected-window
5704 (let ((window (get-buffer-window gnus-article-buffer))
5707 (select-window window)
5708 ;; We have to do this since selecting the window
5709 ;; may change the point. So we set the window point.
5710 (set-window-point window point)))
5711 (let ((handles ihandles)
5712 (inhibit-read-only t)
5715 ((setq handles (mm-dissect-buffer nil gnus-article-loose-mime))
5716 (when gnus-article-emulate-mime
5717 (mm-uu-dissect-text-parts handles)))
5718 (gnus-article-emulate-mime
5719 (setq handles (mm-uu-dissect))))
5720 (when (and (not ihandles)
5721 (not gnus-displaying-mime))
5722 ;; Top-level call; we clean up.
5723 (when gnus-article-mime-handles
5724 (mm-destroy-parts gnus-article-mime-handles)
5725 (setq gnus-article-mime-handle-alist nil));; A trick.
5726 (setq gnus-article-mime-handles handles)
5727 ;; We allow users to glean info from the handles.
5728 (when gnus-article-mime-part-function
5729 (gnus-mime-part-function handles)))
5731 (or (not (stringp (car handles)))
5734 (when (and (not ihandles)
5735 (not gnus-displaying-mime))
5736 ;; Clean up for mime parts.
5738 (delete-region (point) (point-max)))
5739 (let ((gnus-displaying-mime t))
5740 (gnus-mime-display-part handles)))
5743 (narrow-to-region (point) (point-max))
5744 (gnus-treat-article nil 1 1 "text/plain")
5747 ;; Highlight the headers.
5751 (narrow-to-region (point-min) (point))
5752 (gnus-article-save-original-date
5753 (gnus-treat-article 'head)))))))
5754 ;; Cope with broken MIME messages.
5755 (goto-char (point-max))
5759 (defcustom gnus-mime-display-multipart-as-mixed nil
5760 "Display \"multipart\" parts as \"multipart/mixed\".
5762 If t, it overrides nil values of
5763 `gnus-mime-display-multipart-alternative-as-mixed' and
5764 `gnus-mime-display-multipart-related-as-mixed'."
5765 :group 'gnus-article-mime
5768 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
5769 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
5771 :group 'gnus-article-mime
5774 (defcustom gnus-mime-display-multipart-related-as-mixed nil
5775 "Display \"multipart/related\" parts as \"multipart/mixed\".
5777 If displaying \"text/html\" is discouraged \(see
5778 `mm-discouraged-alternatives'\) images or other material inside a
5779 \"multipart/related\" part might be overlooked when this variable is nil."
5781 :group 'gnus-article-mime
5784 (defun gnus-mime-display-part (handle)
5786 ;; Maybe a broken MIME message.
5789 ((not (stringp (car handle)))
5790 (gnus-mime-display-single handle))
5791 ;; User-defined multipart
5792 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
5793 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
5795 ;; multipart/alternative
5796 ((and (equal (car handle) "multipart/alternative")
5797 (not (or gnus-mime-display-multipart-as-mixed
5798 gnus-mime-display-multipart-alternative-as-mixed)))
5799 (let ((id (1+ (length gnus-article-mime-handle-alist))))
5800 (push (cons id handle) gnus-article-mime-handle-alist)
5801 (gnus-mime-display-alternative (cdr handle) nil nil id)))
5802 ;; multipart/related
5803 ((and (equal (car handle) "multipart/related")
5804 (not (or gnus-mime-display-multipart-as-mixed
5805 gnus-mime-display-multipart-related-as-mixed)))
5806 ;;;!!!We should find the start part, but we just default
5807 ;;;!!!to the first part.
5808 ;;(gnus-mime-display-part (cadr handle))
5809 ;;;!!! Most multipart/related is an HTML message plus images.
5810 ;;;!!! Unfortunately we are unable to let W3 display those
5811 ;;;!!! included images, so we just display it as a mixed multipart.
5812 ;;(gnus-mime-display-mixed (cdr handle))
5813 ;;;!!! No, w3 can display everything just fine.
5814 (gnus-mime-display-part (cadr handle)))
5815 ((equal (car handle) "multipart/signed")
5816 (gnus-add-wash-type 'signed)
5817 (gnus-mime-display-security handle))
5818 ((equal (car handle) "multipart/encrypted")
5819 (gnus-add-wash-type 'encrypted)
5820 (gnus-mime-display-security handle))
5821 ;; Other multiparts are handled like multipart/mixed.
5823 (gnus-mime-display-mixed (cdr handle)))))
5825 (defun gnus-mime-part-function (handles)
5826 (if (stringp (car handles))
5827 (mapcar 'gnus-mime-part-function (cdr handles))
5828 (funcall gnus-article-mime-part-function handles)))
5830 (defun gnus-mime-display-mixed (handles)
5831 (mapcar 'gnus-mime-display-part handles))
5833 (defun gnus-mime-display-single (handle)
5834 (let ((type (mm-handle-media-type handle))
5835 (ignored gnus-ignored-mime-types)
5842 (when (string-match (pop ignored) type)
5843 (throw 'ignored nil)))
5844 (if (and (not (and (if (gnus-buffer-live-p gnus-summary-buffer)
5845 (with-current-buffer gnus-summary-buffer
5846 gnus-inhibit-images)
5847 gnus-inhibit-images)
5848 (string-match "\\`image/" type)))
5849 (setq not-attachment
5850 (and (not (mm-inline-override-p handle))
5851 (or (not (mm-handle-disposition handle))
5852 (equal (car (mm-handle-disposition handle))
5854 (mm-attachment-override-p handle))))
5855 (mm-automatic-display-p handle)
5857 (mm-inlinable-p handle)
5858 (mm-inlined-p handle))
5859 (mm-automatic-external-display-p type)))
5861 (when (equal (mm-handle-media-supertype handle) "text")
5863 (let ((id (1+ (length gnus-article-mime-handle-alist)))
5865 (push (cons id handle) gnus-article-mime-handle-alist)
5867 (equal (mm-handle-media-supertype handle) "message"))
5870 (cond ((not (bolp)) 2)
5871 ((or (bobp) (eq (char-before (1- (point))) ?\n)) 0)
5873 (when (or (not display)
5874 (not (gnus-unbuttonized-mime-type-p type))
5875 (eq id gnus-mime-buttonized-part-id))
5876 (gnus-insert-mime-button
5877 handle id (list (or display (and not-attachment text))))
5878 (gnus-article-insert-newline)
5879 ;; Remember modify the number of forward lines.
5887 (let ((mail-parse-charset gnus-newsgroup-charset)
5888 (mail-parse-ignored-charsets
5889 (save-excursion (condition-case ()
5890 (set-buffer gnus-summary-buffer)
5892 gnus-newsgroup-ignored-charsets)))
5893 (gnus-bind-safe-url-regexp (mm-display-part handle t)))
5894 (goto-char (point-max)))
5895 ((and text not-attachment)
5899 (gnus-article-insert-newline)
5900 (mm-display-inline handle)
5901 (goto-char (point-max))))
5905 (narrow-to-region beg (point))
5906 (if (eq handle gnus-article-mime-handles)
5907 ;; The format=flowed case.
5908 (gnus-treat-article nil 1 1 (mm-handle-media-type handle))
5909 ;; Don't count signature parts that are never displayed.
5910 ;; The part number should be re-calculated supposing this
5911 ;; might be a message/rfc822 part.
5913 (dolist (part gnus-article-mime-handles)
5914 (unless (or (stringp part)
5915 (equal (car (mm-handle-type part))
5916 "application/pgp-signature"))
5917 (push part handles)))
5919 nil (length (memq handle handles)) (length handles)
5920 (mm-handle-media-type handle)))))))))))
5922 (defun gnus-unbuttonized-mime-type-p (type)
5923 "Say whether TYPE is to be unbuttonized."
5924 (unless gnus-inhibit-mime-unbuttonizing
5926 (let ((types gnus-unbuttonized-mime-types))
5928 (when (string-match (pop types) type)
5929 (throw 'found t)))))
5931 (let ((types gnus-buttonized-mime-types))
5933 (when (string-match (pop types) type)
5934 (throw 'found t)))))))))
5936 (defun gnus-article-insert-newline ()
5937 "Insert a newline, but mark it as undeletable."
5938 (gnus-put-text-property
5939 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
5941 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
5942 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
5945 handle (inhibit-read-only t) from props begend not-pref)
5946 (save-window-excursion
5949 (narrow-to-region (car ibegend)
5952 (goto-char (car ibegend))
5955 (delete-region (point-min) (point-max))
5956 (mm-remove-parts handles))
5957 (setq begend (list (point-marker)))
5959 (unless (setq not-pref (cadr (member preferred ihandles)))
5960 (setq not-pref (car ihandles)))
5963 (not (gnus-unbuttonized-mime-type-p
5964 "multipart/alternative")))
5965 (gnus-add-text-properties
5968 (insert (format "%d. " id))
5972 (unless ,(not ibegend)
5973 (setq gnus-article-mime-handle-alist
5974 ',gnus-article-mime-handle-alist))
5975 (gnus-mime-display-alternative
5976 ',ihandles ',not-pref ',begend ,id))
5977 keymap ,gnus-mime-button-map
5978 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5979 face ,gnus-article-button-face
5981 article-type multipart))
5982 (widget-convert-button 'link from (point)
5983 :action 'gnus-widget-press-button
5984 :button-keymap gnus-widget-button-keymap)
5986 (while (setq handle (pop handles))
5987 (gnus-add-text-properties
5990 (insert (format "(%c) %-18s"
5991 (if (equal handle preferred) ?* ? )
5992 (mm-handle-media-type handle)))
5996 (unless ,(not ibegend)
5997 (setq gnus-article-mime-handle-alist
5998 ',gnus-article-mime-handle-alist))
5999 (gnus-mime-display-alternative
6000 ',ihandles ',handle ',begend ,id))
6001 keymap ,gnus-mime-button-map
6002 ,gnus-mouse-face-prop ,gnus-article-mouse-face
6003 face ,gnus-article-button-face
6006 (widget-convert-button 'link from (point)
6007 :action 'gnus-widget-press-button
6008 :button-keymap gnus-widget-button-keymap)
6012 (if (stringp (car preferred))
6013 (gnus-display-mime preferred)
6014 (let ((mail-parse-charset gnus-newsgroup-charset)
6015 (mail-parse-ignored-charsets
6016 (with-current-buffer gnus-summary-buffer
6017 gnus-newsgroup-ignored-charsets)))
6018 (gnus-bind-safe-url-regexp (mm-display-part preferred))
6022 (narrow-to-region (car begend) (point-max))
6024 nil (length gnus-article-mime-handle-alist)
6025 (gnus-article-mime-total-parts)
6026 (mm-handle-media-type preferred))))))
6027 (goto-char (point-max))
6028 (setcdr begend (point-marker)))))
6030 (goto-char point))))
6032 (defconst gnus-article-wash-status-strings
6033 (let ((alist '((cite "c" "Possible hidden citation text"
6034 " " "All citation text visible")
6035 (headers "h" "Hidden headers"
6036 " " "All headers visible.")
6037 (pgp "p" "Encrypted or signed message status hidden"
6038 " " "No hidden encryption nor digital signature status")
6039 (signature "s" "Signature has been hidden"
6040 " " "Signature is visible")
6041 (overstrike "o" "Overstrike (^H) characters applied"
6042 " " "No overstrike characters applied")
6043 (emphasis "e" "/*_Emphasis_*/ characters applied"
6044 " " "No /*_emphasis_*/ characters applied")))
6046 (dolist (entry alist result)
6047 (let ((key (nth 0 entry))
6048 (on (copy-sequence (nth 1 entry)))
6049 (on-help (nth 2 entry))
6050 (off (copy-sequence (nth 3 entry)))
6051 (off-help (nth 4 entry)))
6052 (put-text-property 0 1 'help-echo on-help on)
6053 (put-text-property 0 1 'help-echo off-help off)
6054 (push (list key on off) result))))
6055 "Alist of strings describing wash status in the mode line.
6056 Each entry has the form (KEY ON OF), where the KEY is a symbol
6057 representing the particular washing function, ON is the string to use
6058 in the article mode line when the washing function is active, and OFF
6059 is the string to use when it is inactive.")
6061 (defun gnus-article-wash-status-entry (key value)
6062 (let ((entry (assoc key gnus-article-wash-status-strings)))
6063 (if value (nth 1 entry) (nth 2 entry))))
6065 (defun gnus-article-wash-status ()
6066 "Return a string which display status of article washing."
6067 (with-current-buffer gnus-article-buffer
6068 (let ((cite (memq 'cite gnus-article-wash-types))
6069 (headers (memq 'headers gnus-article-wash-types))
6070 (boring (memq 'boring-headers gnus-article-wash-types))
6071 (pgp (memq 'pgp gnus-article-wash-types))
6072 (pem (memq 'pem gnus-article-wash-types))
6073 (signed (memq 'signed gnus-article-wash-types))
6074 (encrypted (memq 'encrypted gnus-article-wash-types))
6075 (signature (memq 'signature gnus-article-wash-types))
6076 (overstrike (memq 'overstrike gnus-article-wash-types))
6077 (emphasis (memq 'emphasis gnus-article-wash-types)))
6079 (gnus-article-wash-status-entry 'cite cite)
6080 (gnus-article-wash-status-entry 'headers (or headers boring))
6081 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
6082 (gnus-article-wash-status-entry 'signature signature)
6083 (gnus-article-wash-status-entry 'overstrike overstrike)
6084 (gnus-article-wash-status-entry 'emphasis emphasis)))))
6086 (defun gnus-add-wash-type (type)
6087 "Add a washing of TYPE to the current status."
6088 (add-to-list 'gnus-article-wash-types type))
6090 (defun gnus-delete-wash-type (type)
6091 "Add a washing of TYPE to the current status."
6092 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
6094 (defun gnus-add-image (category image)
6095 "Add IMAGE of CATEGORY to the list of displayed images."
6096 (let ((entry (assq category gnus-article-image-alist)))
6098 (setq entry (list category))
6099 (push entry gnus-article-image-alist))
6100 (nconc entry (list image))))
6102 (defun gnus-delete-images (category)
6103 "Delete all images in CATEGORY."
6104 (let ((entry (assq category gnus-article-image-alist)))
6105 (dolist (image (cdr entry))
6106 (gnus-remove-image image category))
6107 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
6108 (gnus-delete-wash-type category)))
6110 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
6112 (defun gnus-article-maybe-hide-headers ()
6113 "Hide unwanted headers if `gnus-have-all-headers' is nil.
6114 Provided for backwards compatibility."
6115 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
6116 (not (with-current-buffer gnus-summary-buffer
6117 gnus-have-all-headers)))
6118 (not gnus-inhibit-hiding))
6119 (gnus-article-hide-headers)))
6123 (defun gnus-output-to-file (file-name)
6124 "Append the current article to a file named FILE-NAME.
6125 If `gnus-article-save-coding-system' is non-nil, it is used to encode
6126 text and used as the value of the coding cookie which is added to the
6127 top of a file. Otherwise, this function saves a raw article without
6129 (let* ((artbuf (current-buffer))
6130 (file-name-coding-system nnmail-pathname-coding-system)
6131 (coding gnus-article-save-coding-system)
6132 (coding-system-for-read (if coding
6133 nil ;; Rely on the coding cookie.
6134 mm-text-coding-system))
6135 (coding-system-for-write (or coding
6136 mm-text-coding-system-for-write
6137 mm-text-coding-system))
6138 (exists (file-exists-p file-name)))
6141 (insert-file-contents file-name)
6142 (goto-char (point-min))
6143 ;; Remove the existing coding cookie.
6144 (when (looking-at "X-Gnus-Coding-System: .+\n\n")
6145 (delete-region (match-beginning 0) (match-end 0))))
6146 (goto-char (point-max))
6147 (insert-buffer-substring artbuf)
6148 ;; Append newline at end of the buffer as separator, and then
6150 (goto-char (point-max))
6153 ;; If the coding system is not suitable to encode the text,
6154 ;; ask a user for a proper one.
6155 (when (fboundp 'select-safe-coding-system)
6156 (setq coding (coding-system-base
6157 (save-window-excursion
6158 (select-safe-coding-system (point-min) (point-max)
6160 (setq coding-system-for-write
6161 (or (cdr (assq coding '((mule-utf-8 . utf-8))))
6163 (goto-char (point-min))
6164 ;; Add the coding cookie.
6165 (insert (format "X-Gnus-Coding-System: -*- coding: %s; -*-\n\n"
6166 coding-system-for-write)))
6169 (write-region (point-min) (point-max) file-name nil 'no-message)
6170 (message "Appended to %s" file-name))
6171 (write-region (point-min) (point-max) file-name))))
6174 (defun gnus-narrow-to-page (&optional arg)
6175 "Narrow the article buffer to a page.
6176 If given a numerical ARG, move forward ARG pages."
6178 (setq arg (if arg (prefix-numeric-value arg) 0))
6179 (with-current-buffer gnus-article-buffer
6181 ;; Remove any old next/prev buttons.
6182 (when (gnus-visual-p 'page-marker)
6183 (let ((inhibit-read-only t))
6184 (gnus-remove-text-with-property 'gnus-prev)
6185 (gnus-remove-text-with-property 'gnus-next)))
6187 (when (save-excursion
6189 (if (re-search-backward page-delimiter nil 'move (abs arg))
6191 (setq nd (match-beginning 0)
6193 (when (re-search-backward page-delimiter nil t)
6194 (setq st (match-end 0))))
6195 (when (re-search-forward page-delimiter nil t)
6196 (setq nd (match-beginning 0)
6199 (if (re-search-forward page-delimiter nil 'move arg)
6201 (setq st (match-end 0)
6203 (when (re-search-forward page-delimiter nil t)
6204 (setq nd (match-beginning 0))))
6205 (when (re-search-backward page-delimiter nil t)
6206 (setq st (match-end 0)
6209 (when (re-search-backward page-delimiter nil t)
6210 (goto-char (setq st (match-end 0))))
6211 (when (re-search-forward page-delimiter nil t)
6212 (setq nd (match-beginning 0)))
6214 (setq gnus-page-broken t)
6215 (when pt (goto-char pt))
6216 (narrow-to-region (or st (point-min)) (or nd (point-max)))
6217 (when (gnus-visual-p 'page-marker)
6221 (gnus-insert-next-page-button))
6224 (gnus-insert-prev-page-button))))))))
6226 ;; Article mode commands
6228 (defun gnus-article-goto-next-page ()
6229 "Show the next page of the article."
6231 (when (gnus-article-next-page)
6232 (goto-char (point-min))
6233 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
6236 (defun gnus-article-goto-prev-page ()
6237 "Show the previous page of the article."
6239 (if (save-restriction (widen) (bobp)) ;; Real beginning-of-buffer?
6240 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
6241 (gnus-article-prev-page nil)))
6243 ;; This is cleaner but currently breaks `gnus-pick-mode':
6245 ;; (defun gnus-article-goto-next-page ()
6246 ;; "Show the next page of the article."
6248 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
6249 ;; (gnus-summary-next-page)))
6251 ;; (defun gnus-article-goto-prev-page ()
6252 ;; "Show the next page of the article."
6254 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
6255 ;; (gnus-summary-prev-page)))
6257 (defun gnus-article-next-page (&optional lines)
6258 "Show the next page of the current article.
6259 If end of article, return non-nil. Otherwise return nil.
6260 Argument LINES specifies lines to be scrolled up."
6262 (move-to-window-line (if (featurep 'xemacs) -1 (- -1 scroll-margin)))
6263 (if (and (not (and gnus-article-over-scroll
6264 (> (count-lines (window-start) (point-max))
6265 (if (featurep 'xemacs)
6266 (or lines (1- (window-height)))
6267 (+ (or lines (1- (window-height))) scroll-margin)))))
6270 (and (pos-visible-in-window-p) ;Not continuation line.
6271 (>= (1+ (point)) (point-max))))) ;Allow for trailing newline.
6272 ;; Nothing in this page.
6273 (if (or (not gnus-page-broken)
6278 (eobp)))) ;Real end-of-buffer?
6280 (when gnus-article-over-scroll
6281 (gnus-article-next-page-1 lines))
6283 (gnus-narrow-to-page 1) ;Go to next page.
6285 ;; More in this page.
6286 (gnus-article-next-page-1 lines)
6289 (defun gnus-article-beginning-of-window ()
6290 "Move point to the beginning of the window.
6291 In Emacs, the point is placed at the line number which `scroll-margin'
6293 (if (featurep 'xemacs)
6294 (move-to-window-line 0)
6295 ;; There is an obscure bug in Emacs that makes it impossible to
6296 ;; scroll past big pictures in the article buffer. Try to fix
6297 ;; this by adding a sanity check by counting the lines visible.
6298 (when (> (count-lines (window-start) (window-end)) 30)
6299 (move-to-window-line
6300 (min (max 0 scroll-margin)
6301 (max 1 (- (window-height)
6302 (if mode-line-format 1 0)
6303 (if header-line-format 1 0)
6306 (defun gnus-article-next-page-1 (lines)
6308 (let ((scroll-in-place nil))
6311 ;; Long lines may cause an end-of-buffer error.
6312 (goto-char (point-max))))
6313 (gnus-article-beginning-of-window))
6315 (defun gnus-article-prev-page (&optional lines)
6316 "Show previous page of current article.
6317 Argument LINES specifies lines to be scrolled down."
6319 (move-to-window-line 0)
6320 (if (and gnus-page-broken
6322 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
6324 (gnus-narrow-to-page -1) ;Go to previous page.
6325 (goto-char (point-max))
6326 (recenter (if gnus-article-over-scroll
6328 (max (if (featurep 'xemacs)
6330 (+ lines scroll-margin))
6332 (- (window-height) 2))
6336 (let ((scroll-in-place nil))
6337 (scroll-down lines))
6338 (beginning-of-buffer
6339 (goto-char (point-min))))
6340 (gnus-article-beginning-of-window))))
6342 (defun gnus-article-only-boring-p ()
6343 "Decide whether there is only boring text remaining in the article.
6344 Something \"interesting\" is a word of at least two letters that does
6345 not have a face in `gnus-article-boring-faces'."
6346 (when (and gnus-article-skip-boring
6347 (boundp 'gnus-article-boring-faces)
6348 (symbol-value 'gnus-article-boring-faces))
6350 (let ((inhibit-point-motion-hooks t))
6352 (while (re-search-forward "\\b\\w\\w" nil t)
6354 (when (not (gnus-intersection
6355 (gnus-faces-at (point))
6356 (symbol-value 'gnus-article-boring-faces)))
6357 (throw 'only-boring nil)))
6358 (throw 'only-boring t))))))
6360 (defun gnus-article-refer-article ()
6361 "Read article specified by message-id around point."
6364 (re-search-backward "[ \t]\\|^" (point-at-bol) t)
6365 (re-search-forward "<?news:<?\\|<" (point-at-eol) t)
6366 (if (re-search-forward "[^@ ]+@[^ \t>]+" (point-at-eol) t)
6367 (let ((msg-id (concat "<" (match-string 0) ">")))
6368 (set-buffer gnus-summary-buffer)
6369 (gnus-summary-refer-article msg-id))
6370 (error "No references around point"))))
6372 (defun gnus-article-show-summary ()
6373 "Reconfigure windows to show summary buffer."
6375 (if (not (gnus-buffer-live-p gnus-summary-buffer))
6376 (error "There is no summary buffer for this article buffer")
6377 (gnus-article-set-globals)
6378 (gnus-configure-windows 'article)
6379 (gnus-summary-goto-subject gnus-current-article)
6380 (gnus-summary-position-point)))
6382 (defun gnus-article-describe-briefly ()
6383 "Describe article mode commands briefly."
6385 (gnus-message 6 "%s" (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")))
6387 (defun gnus-article-check-buffer ()
6388 "Beep if not in an article buffer."
6389 (unless (equal major-mode 'gnus-article-mode)
6390 (error "Command invoked outside of a Gnus article buffer")))
6392 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
6393 "Read a summary buffer key sequence and execute it from the article buffer."
6395 (gnus-article-check-buffer)
6397 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
6398 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
6399 "=" "^" "\M-^" "|"))
6401 '("A " "A<" "A>" "AM" "AP" "AR" "AT" "A\C-?" "A\M-\r" "A\r" "Ab" "Ae"
6402 "An" "Ap" [?A (meta return)] [?A delete]))
6406 '("n" "Gn" "p" "Gp"))
6408 (with-current-buffer gnus-article-current-summary
6409 (let (gnus-pick-mode)
6410 (setq unread-command-events (nconc unread-command-events
6411 (list (or key last-command-event)))
6412 keys (if (featurep 'xemacs)
6413 (events-to-keys (read-key-sequence nil t))
6414 (read-key-sequence nil t)))))
6419 ((eq (aref keys (1- (length keys))) ?\C-h)
6420 (gnus-article-describe-bindings (substring keys 0 -1)))
6421 ((or (member keys nosaves)
6422 (member keys nosave-but-article)
6423 (member keys nosave-in-article))
6425 (save-window-excursion
6426 (pop-to-buffer gnus-article-current-summary)
6427 ;; We disable the pick minor mode commands.
6428 (let (gnus-pick-mode)
6429 (setq func (key-binding keys t))))
6433 (unless (member keys nosave-in-article)
6434 (set-buffer gnus-article-current-summary))
6435 (call-interactively func)
6436 (setq new-sum-point (point)))
6437 (when (member keys nosave-but-article)
6438 (pop-to-buffer gnus-article-buffer))))
6440 ;; These commands should restore window configuration.
6441 (let ((obuf (current-buffer))
6442 (owin (current-window-configuration))
6443 win func in-buffer selected new-sum-start new-sum-hscroll err)
6444 (cond (not-restore-window
6445 (pop-to-buffer gnus-article-current-summary)
6446 (setq win (selected-window)))
6447 ((setq win (get-buffer-window gnus-article-current-summary))
6448 (select-window win))
6450 (let ((summary-buffer gnus-article-current-summary))
6451 (gnus-configure-windows 'article)
6452 (unless (setq win (get-buffer-window summary-buffer 'visible))
6453 (let ((gnus-buffer-configuration
6454 '((article ((vertical 1.0
6455 (summary 0.25 point)
6457 (gnus-configure-windows 'article))
6458 (setq win (get-buffer-window summary-buffer 'visible)))
6459 (gnus-select-frame-set-input-focus (window-frame win))
6460 (select-window win))))
6461 (setq in-buffer (current-buffer))
6462 ;; We disable the pick minor mode commands.
6463 (if (and (setq func (let (gnus-pick-mode)
6464 (key-binding keys t)))
6466 (condition-case code
6468 (call-interactively func)
6474 (when (eq win (selected-window))
6475 (setq new-sum-point (point)
6476 new-sum-start (window-start win)
6477 new-sum-hscroll (window-hscroll win)))
6478 (when (or (eq in-buffer (current-buffer))
6479 (when (eq obuf (current-buffer))
6480 (set-buffer in-buffer)
6482 (setq selected (gnus-summary-select-article))
6484 (unless not-restore-window
6485 (set-window-configuration owin))
6486 (when (and (eq selected 'old)
6488 (set-window-start (get-buffer-window (current-buffer))
6490 (set-window-point (get-buffer-window (current-buffer))
6491 (if (article-goto-body)
6494 (when (and (not not-restore-window)
6497 (with-current-buffer (window-buffer win)
6498 (eq major-mode 'gnus-summary-mode)))
6499 (set-window-point win new-sum-point)
6500 (set-window-start win new-sum-start)
6501 (set-window-hscroll win new-sum-hscroll))))
6502 (set-window-configuration owin)
6504 (signal (car err) (cdr err))
6507 (defun gnus-article-read-summary-send-keys ()
6509 (let ((unread-command-events (list (gnus-character-to-event ?S))))
6510 (gnus-article-read-summary-keys)))
6512 (defun gnus-article-describe-key (key)
6513 "Display documentation of the function invoked by KEY.
6514 KEY is a string or a vector."
6515 (interactive (list (let ((cursor-in-echo-area t)) ;; better for XEmacs.
6516 (read-key-sequence "Describe key: "))))
6517 (gnus-article-check-buffer)
6518 (if (memq (key-binding key t) '(gnus-article-read-summary-keys
6519 gnus-article-read-summary-send-keys))
6520 (with-current-buffer gnus-article-current-summary
6521 (setq unread-command-events
6522 (if (featurep 'xemacs)
6524 (mapcar (lambda (x) (if (and (integerp x) (>= x 128))
6525 (list 'meta (- x 128))
6528 (let ((cursor-in-echo-area t)
6530 (describe-key (read-key-sequence nil t))))
6531 (describe-key key)))
6533 (defun gnus-article-describe-key-briefly (key &optional insert)
6534 "Display documentation of the function invoked by KEY.
6535 KEY is a string or a vector."
6536 (interactive (list (let ((cursor-in-echo-area t)) ;; better for XEmacs.
6537 (read-key-sequence "Describe key: "))
6538 current-prefix-arg))
6539 (gnus-article-check-buffer)
6540 (if (memq (key-binding key t) '(gnus-article-read-summary-keys
6541 gnus-article-read-summary-send-keys))
6542 (with-current-buffer gnus-article-current-summary
6543 (setq unread-command-events
6544 (if (featurep 'xemacs)
6546 (mapcar (lambda (x) (if (and (integerp x) (>= x 128))
6547 (list 'meta (- x 128))
6550 (let ((cursor-in-echo-area t)
6552 (describe-key-briefly (read-key-sequence nil t) insert)))
6553 (describe-key-briefly key insert)))
6555 ;;`gnus-agent-mode' in gnus-agent.el will define it.
6556 (defvar gnus-agent-summary-mode)
6557 (defvar gnus-draft-mode)
6558 ;; Calling help-buffer will autoload help-mode.
6559 (defvar help-xref-stack-item)
6560 ;; Emacs 22 doesn't load it in the batch mode.
6562 (autoload 'help-buffer "help-mode"))
6564 (defun gnus-article-describe-bindings (&optional prefix)
6565 "Show a list of all defined keys, and their definitions.
6566 The optional argument PREFIX, if non-nil, should be a key sequence;
6567 then we display only bindings that start with that prefix."
6569 (gnus-article-check-buffer)
6570 (let ((keymap (copy-keymap gnus-article-mode-map))
6571 (map (copy-keymap gnus-article-send-map))
6572 (sumkeys (where-is-internal 'gnus-article-read-summary-keys))
6574 (define-key keymap "S" map)
6575 (define-key map [t] nil)
6576 (with-current-buffer gnus-article-current-summary
6579 (if (setq parent (keymap-parent gnus-article-mode-map))
6581 (setq parent (copy-keymap parent))
6582 (set-keymap-parent parent (current-local-map)))
6583 (current-local-map)))
6584 (set-keymap-parent map (key-binding "S"))
6585 (let (key def gnus-pick-mode)
6587 (setq key (pop sumkeys))
6588 (cond ((and (vectorp key) (= (length key) 1)
6589 (consp (setq def (aref key 0)))
6590 (numberp (car def)) (numberp (cdr def)))
6591 (when (< (max (car def) (cdr def)) 128)
6595 (nreverse (gnus-uncompress-range def)))
6597 ((setq def (key-binding key))
6598 (unless (eq def 'undefined)
6599 (define-key keymap key def))))))
6600 (when (boundp 'gnus-agent-summary-mode)
6601 (setq agent gnus-agent-summary-mode))
6602 (when (boundp 'gnus-draft-mode)
6603 (setq draft gnus-draft-mode)))
6605 (use-local-map keymap)
6606 (set (make-local-variable 'gnus-agent-summary-mode) agent)
6607 (set (make-local-variable 'gnus-draft-mode) draft)
6608 (describe-bindings prefix))
6609 (let ((item `((lambda (prefix)
6610 (with-current-buffer ,(current-buffer)
6611 (gnus-article-describe-bindings prefix)))
6613 (with-current-buffer (let (help-xref-following) (help-buffer))
6614 (setq help-xref-stack-item item)))))
6616 (defun gnus-article-reply-with-original (&optional wide)
6617 "Start composing a reply mail to the current message.
6618 The text in the region will be yanked. If the region isn't active,
6619 the entire article will be yanked."
6621 (let ((article (cdr gnus-article-current))
6623 (if (not (gnus-region-active-p))
6624 (with-current-buffer gnus-summary-buffer
6625 (gnus-summary-reply (list (list article)) wide))
6626 (setq contents (buffer-substring (point) (mark t)))
6627 ;; Deactivate active regions.
6628 (when (and (boundp 'transient-mark-mode)
6629 transient-mark-mode)
6630 (setq mark-active nil))
6631 (with-current-buffer gnus-summary-buffer
6633 (list (list article contents)) wide)))))
6635 (defun gnus-article-wide-reply-with-original ()
6636 "Start composing a wide reply mail to the current message.
6637 The text in the region will be yanked. If the region isn't active,
6638 the entire article will be yanked."
6640 (gnus-article-reply-with-original t))
6642 (defun gnus-article-followup-with-original ()
6643 "Compose a followup to the current article.
6644 The text in the region will be yanked. If the region isn't active,
6645 the entire article will be yanked."
6647 (let ((article (cdr gnus-article-current))
6649 (if (not (gnus-region-active-p))
6650 (with-current-buffer gnus-summary-buffer
6651 (gnus-summary-followup (list (list article))))
6652 (setq contents (buffer-substring (point) (mark t)))
6653 ;; Deactivate active regions.
6654 (when (and (boundp 'transient-mark-mode)
6655 transient-mark-mode)
6656 (setq mark-active nil))
6657 (with-current-buffer gnus-summary-buffer
6658 (gnus-summary-followup
6659 (list (list article contents)))))))
6661 (defun gnus-article-hide (&optional arg force)
6662 "Hide all the gruft in the current article.
6663 This means that signatures, cited text and (some) headers will be
6665 If given a prefix, show the hidden text instead."
6666 (interactive (append (gnus-article-hidden-arg) (list 'force)))
6667 (gnus-article-hide-headers arg)
6668 (gnus-article-hide-list-identifiers arg)
6669 (gnus-article-hide-citation-maybe arg force)
6670 (gnus-article-hide-signature arg))
6672 (defun gnus-article-maybe-highlight ()
6673 "Do some article highlighting if article highlighting is requested."
6674 (when (gnus-visual-p 'article-highlight 'highlight)
6675 (gnus-article-highlight-some)))
6677 (defun gnus-check-group-server ()
6678 ;; Make sure the connection to the server is alive.
6679 (unless (gnus-server-opened
6680 (gnus-find-method-for-group gnus-newsgroup-name))
6681 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
6682 (gnus-request-group gnus-newsgroup-name t)))
6685 (autoload 'nneething-get-file-name "nneething"))
6687 (defun gnus-request-article-this-buffer (article group)
6688 "Get an article and insert it into this buffer."
6689 (let (do-update-line sparse-header)
6693 (gnus-kill-all-overlays)
6694 (setq group (or group gnus-newsgroup-name))
6696 ;; Using `gnus-request-article' directly will insert the article into
6697 ;; `nntp-server-buffer' - so we'll save some time by not having to
6698 ;; copy it from the server buffer into the article buffer.
6700 ;; We only request an article by message-id when we do not have the
6701 ;; headers for it, so we'll have to get those.
6702 (when (stringp article)
6703 (gnus-read-header article))
6705 ;; If the article number is negative, that means that this article
6706 ;; doesn't belong in this newsgroup (possibly), so we find its
6707 ;; message-id and request it by id instead of number.
6708 (when (and (numberp article)
6710 (get-buffer gnus-summary-buffer)
6711 (gnus-buffer-exists-p gnus-summary-buffer))
6712 (with-current-buffer gnus-summary-buffer
6713 (let ((header (gnus-summary-article-header article)))
6716 ((memq article gnus-newsgroup-sparse)
6717 ;; This is a sparse gap article.
6718 (setq do-update-line article)
6719 (setq article (mail-header-id header))
6720 (setq sparse-header (gnus-read-header article))
6721 (setq gnus-newsgroup-sparse
6722 (delq article gnus-newsgroup-sparse)))
6724 ;; It's a real article.
6725 (setq article (mail-header-id header)))
6727 ;; It is an extracted pseudo-article.
6728 (setq article 'pseudo)
6729 (gnus-request-pseudo-article header))))
6731 (let ((method (gnus-find-method-for-group
6732 gnus-newsgroup-name)))
6733 (when (and (eq (car method) 'nneething)
6735 (let ((dir (nneething-get-file-name
6736 (mail-header-id header))))
6737 (when (and (stringp dir)
6738 (file-directory-p dir))
6739 (setq article 'nneething)
6740 (gnus-group-enter-directory dir))))))))
6743 ;; Refuse to select canceled articles.
6744 ((and (numberp article)
6746 (get-buffer gnus-summary-buffer)
6747 (gnus-buffer-exists-p gnus-summary-buffer)
6748 (eq (cdr (with-current-buffer gnus-summary-buffer
6749 (assq article gnus-newsgroup-reads)))
6750 gnus-canceled-mark))
6752 ;; We first check `gnus-original-article-buffer'.
6753 ((and (get-buffer gnus-original-article-buffer)
6755 (with-current-buffer gnus-original-article-buffer
6756 (and (equal (car gnus-original-article) group)
6757 (eq (cdr gnus-original-article) article))))
6758 ;; `insert-buffer-substring' would incorrectly use the
6759 ;; equivalent of string-make-multibyte which amount to decoding
6760 ;; with locale-coding-system, causing failure of
6761 ;; subsequent decoding.
6762 (insert (mm-string-to-multibyte
6763 (with-current-buffer gnus-original-article-buffer
6764 (buffer-substring (point-min) (point-max)))))
6766 ;; Check the backlog.
6767 ((and gnus-keep-backlog
6768 (gnus-backlog-request-article group article (current-buffer)))
6770 ;; Check asynchronous pre-fetch.
6771 ((gnus-async-request-fetched-article group article (current-buffer))
6772 (gnus-async-prefetch-next group article gnus-summary-buffer)
6773 (when (and (numberp article) gnus-keep-backlog)
6774 (gnus-backlog-enter-article group article (current-buffer)))
6777 ((and gnus-use-cache
6779 (gnus-cache-request-article article group))
6781 ;; Check the agent cache.
6782 ((gnus-agent-request-article article group)
6784 ;; Get the article and put into the article buffer.
6785 ((or (stringp article)
6787 (let ((gnus-override-method gnus-override-method)
6788 (methods (and (stringp article)
6789 gnus-refer-article-method))
6790 (backend (car (gnus-find-method-for-group
6791 gnus-newsgroup-name)))
6793 (inhibit-read-only t))
6794 (if (or (not (listp methods))
6795 (and (symbolp (car methods))
6796 (assq (car methods) nnoo-definition-alist)))
6797 (setq methods (list methods)))
6798 (when (and (null gnus-override-method)
6800 (setq gnus-override-method (pop methods)))
6802 (when (eq gnus-override-method 'current)
6803 (setq gnus-override-method
6804 (with-current-buffer gnus-summary-buffer
6805 gnus-current-select-method)))
6807 (gnus-kill-all-overlays)
6808 (let ((gnus-newsgroup-name group))
6809 (gnus-check-group-server))
6811 ((gnus-request-article article group (current-buffer))
6812 (when (numberp article)
6813 (gnus-async-prefetch-next group article
6814 gnus-summary-buffer)
6815 (when gnus-keep-backlog
6816 (gnus-backlog-enter-article
6817 group article (current-buffer))))
6818 (setq result 'article))
6820 (setq gnus-override-method (pop methods)))
6821 ((not (string-match "^400 "
6822 (nnheader-get-report backend)))
6823 ;; If we get 400 server disconnect, reconnect and
6824 ;; retry; otherwise, assume the article has expired.
6825 (setq result 'done))))
6826 (and (eq result 'article) 'article)))
6830 ;; Associate this article with the current summary buffer.
6831 (setq gnus-article-current-summary gnus-summary-buffer)
6833 ;; Take the article from the original article buffer
6834 ;; and place it in the buffer it's supposed to be in.
6835 (when (and (get-buffer gnus-article-buffer)
6836 (equal (buffer-name (current-buffer))
6837 (buffer-name (get-buffer gnus-article-buffer))))
6839 (if (get-buffer gnus-original-article-buffer)
6840 (set-buffer gnus-original-article-buffer)
6841 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
6842 (buffer-disable-undo)
6843 (setq major-mode 'gnus-original-article-mode)
6844 (setq buffer-read-only t))
6845 (let ((inhibit-read-only t))
6847 (insert-buffer-substring gnus-article-buffer))
6848 (setq gnus-original-article (cons group article)))
6851 (run-hooks 'gnus-article-decode-hook)
6852 ;; Mark article as decoded or not.
6853 (setq gnus-article-decoded-p gnus-article-decode-hook))
6855 ;; Update sparse articles.
6856 (when (and do-update-line
6857 (or (numberp article)
6859 (let ((buf (current-buffer)))
6860 (set-buffer gnus-summary-buffer)
6861 (gnus-summary-update-article do-update-line sparse-header)
6862 (gnus-summary-goto-subject do-update-line nil t)
6863 (set-window-point (gnus-get-buffer-window (current-buffer) t)
6865 (set-buffer buf))))))
6867 (defun gnus-block-private-groups (group)
6868 (if (gnus-news-group-p group)
6869 ;; Block nothing in news groups.
6871 ;; Block everything anywhere else.
6874 (defun gnus-blocked-images ()
6875 (if (functionp gnus-blocked-images)
6876 (funcall gnus-blocked-images gnus-newsgroup-name)
6877 gnus-blocked-images))
6883 (defcustom gnus-article-edit-mode-hook nil
6884 "Hook run in article edit mode buffers."
6885 :group 'gnus-article-various
6888 (defvar gnus-article-edit-done-function nil)
6890 (defvar gnus-article-edit-mode-map nil)
6892 ;; Should we be using derived.el for this?
6893 (unless gnus-article-edit-mode-map
6894 (setq gnus-article-edit-mode-map (make-keymap))
6895 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
6897 (gnus-define-keys gnus-article-edit-mode-map
6898 "\C-c?" describe-mode
6899 "\C-c\C-c" gnus-article-edit-done
6900 "\C-c\C-k" gnus-article-edit-exit
6901 "\C-c\C-f\C-t" message-goto-to
6902 "\C-c\C-f\C-o" message-goto-from
6903 "\C-c\C-f\C-b" message-goto-bcc
6904 ;;"\C-c\C-f\C-w" message-goto-fcc
6905 "\C-c\C-f\C-c" message-goto-cc
6906 "\C-c\C-f\C-s" message-goto-subject
6907 "\C-c\C-f\C-r" message-goto-reply-to
6908 "\C-c\C-f\C-n" message-goto-newsgroups
6909 "\C-c\C-f\C-d" message-goto-distribution
6910 "\C-c\C-f\C-f" message-goto-followup-to
6911 "\C-c\C-f\C-m" message-goto-mail-followup-to
6912 "\C-c\C-f\C-k" message-goto-keywords
6913 "\C-c\C-f\C-u" message-goto-summary
6914 "\C-c\C-f\C-i" message-insert-or-toggle-importance
6915 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
6916 "\C-c\C-b" message-goto-body
6917 "\C-c\C-i" message-goto-signature
6919 "\C-c\C-t" message-insert-to
6920 "\C-c\C-n" message-insert-newsgroups
6921 "\C-c\C-o" message-sort-headers
6922 "\C-c\C-e" message-elide-region
6923 "\C-c\C-v" message-delete-not-region
6924 "\C-c\C-z" message-kill-to-signature
6925 "\M-\r" message-newline-and-reformat
6926 "\C-c\C-a" mml-attach-file
6927 "\C-a" message-beginning-of-line
6929 "\M-;" comment-region)
6931 (gnus-define-keys (gnus-article-edit-wash-map
6932 "\C-c\C-w" gnus-article-edit-mode-map)
6933 "f" gnus-article-edit-full-stops))
6936 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
6938 ["Fetch To" message-insert-to t]
6939 ["Fetch Newsgroups" message-insert-newsgroups t]
6941 ["To" message-goto-to t]
6942 ["From" message-goto-from t]
6943 ["Subject" message-goto-subject t]
6944 ["Cc" message-goto-cc t]
6945 ["Reply-To" message-goto-reply-to t]
6946 ["Summary" message-goto-summary t]
6947 ["Keywords" message-goto-keywords t]
6948 ["Newsgroups" message-goto-newsgroups t]
6949 ["Followup-To" message-goto-followup-to t]
6950 ["Mail-Followup-To" message-goto-mail-followup-to t]
6951 ["Distribution" message-goto-distribution t]
6952 ["Body" message-goto-body t]
6953 ["Signature" message-goto-signature t]))
6955 (define-derived-mode gnus-article-edit-mode message-mode "Article Edit"
6956 "Major mode for editing articles.
6957 This is an extended text-mode.
6959 \\{gnus-article-edit-mode-map}"
6960 (make-local-variable 'gnus-article-edit-done-function)
6961 (make-local-variable 'gnus-prev-winconf)
6962 (set (make-local-variable 'font-lock-defaults)
6963 '(message-font-lock-keywords t))
6964 (set (make-local-variable 'mail-header-separator) "")
6965 (set (make-local-variable 'gnus-article-edit-mode) t)
6966 (easy-menu-add message-mode-field-menu message-mode-map)
6968 (setq buffer-read-only nil)
6969 (buffer-enable-undo)
6972 (defun gnus-article-edit (&optional force)
6973 "Edit the current article.
6974 This will have permanent effect only in mail groups.
6975 If FORCE is non-nil, allow editing of articles even in read-only
6978 (when (and (not force)
6979 (gnus-group-read-only-p))
6980 (error "The current newsgroup does not support article editing"))
6981 (gnus-article-date-original)
6982 (gnus-article-edit-article
6984 `(lambda (no-highlight)
6986 (gnus-summary-edit-article-done
6987 ,(or (mail-header-references gnus-current-headers) "")
6988 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
6990 (defun gnus-article-edit-article (start-func exit-func &optional quiet)
6991 "Start editing the contents of the current article buffer."
6992 (let ((winconf (current-window-configuration)))
6993 (set-buffer gnus-article-buffer)
6994 (let ((message-auto-save-directory
6995 ;; Don't associate the article buffer with a draft file.
6997 (gnus-article-edit-mode))
6998 (funcall start-func)
6999 (set-buffer-modified-p nil)
7000 (gnus-configure-windows 'edit-article)
7001 (setq gnus-article-edit-done-function exit-func)
7002 (setq gnus-prev-winconf winconf)
7004 (gnus-message 6 "C-c C-c to end edits"))))
7006 (defun gnus-article-edit-done (&optional arg)
7007 "Update the article edits and exit."
7009 (let ((func gnus-article-edit-done-function)
7010 (buf (current-buffer))
7011 (start (window-start))
7013 (winconf gnus-prev-winconf))
7014 (widen) ;; Widen it in case that users narrowed the buffer.
7017 ;; The cache and backlog have to be flushed somewhat.
7018 (when gnus-keep-backlog
7019 (gnus-backlog-remove-article
7020 (car gnus-article-current) (cdr gnus-article-current)))
7021 ;; Flush original article as well.
7022 (gnus-flush-original-article-buffer)
7023 (when gnus-use-cache
7024 (gnus-cache-update-article
7025 (car gnus-article-current) (cdr gnus-article-current)))
7026 ;; We remove all text props from the article buffer.
7027 (kill-all-local-variables)
7028 (set-text-properties (point-min) (point-max) nil)
7030 (set-window-configuration winconf)
7032 (set-window-start (get-buffer-window buf) start)
7033 (set-window-point (get-buffer-window buf) (point)))
7034 (gnus-summary-show-article))
7036 (defun gnus-flush-original-article-buffer ()
7037 (when (get-buffer gnus-original-article-buffer)
7038 (with-current-buffer gnus-original-article-buffer
7039 (setq gnus-original-article nil))))
7041 (defun gnus-article-edit-exit ()
7042 "Exit the article editing without updating."
7044 (when (or (not (buffer-modified-p))
7045 (yes-or-no-p "Article modified; kill anyway? "))
7046 (let ((curbuf (current-buffer))
7048 (window-start (window-start)))
7050 (if (gnus-buffer-live-p gnus-original-article-buffer)
7051 (insert-buffer-substring gnus-original-article-buffer))
7052 (let ((winconf gnus-prev-winconf))
7053 (kill-all-local-variables)
7055 (set-window-configuration winconf)
7056 ;; Tippy-toe some to make sure that point remains where it was.
7057 (save-current-buffer
7059 (set-window-start (get-buffer-window (current-buffer)) window-start)
7061 (gnus-summary-show-article)))
7063 (defun gnus-article-edit-full-stops ()
7064 "Interactively repair spacing at end of sentences."
7067 (goto-char (point-min))
7068 (search-forward-regexp "^$" nil t)
7069 (let ((case-fold-search nil))
7070 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
7073 ;;; Article highlights
7076 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
7078 ;;; Internal Variables:
7080 (defcustom gnus-button-url-regexp
7082 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|"
7083 "nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)"
7084 "\\(//[-a-z0-9_.]+:[0-9]*\\)?"
7085 (if (string-match "[[:digit:]]" "1") ;; Support POSIX?
7086 (let ((chars "-a-z0-9_=#$@~%&*+\\/[:word:]")
7090 ;; Match paired parentheses, e.g. in Wikipedia URLs:
7091 ;; http://thread.gmane.org/47B4E3B2.3050402@gmail.com
7092 "[" chars punct "]+" "(" "[" chars punct "]+" "[" chars "]*)" "[" chars "]*"
7094 "[" chars punct "]+" "[" chars "]"
7096 (concat ;; XEmacs 21.4 doesn't support POSIX.
7097 "\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+"
7098 "\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)"))
7100 "Regular expression that matches URLs."
7101 :group 'gnus-article-buttons
7104 (defcustom gnus-button-valid-fqdn-regexp
7105 message-valid-fqdn-regexp
7106 "Regular expression that matches a valid FQDN."
7108 :group 'gnus-article-buttons
7111 ;; Regexp suggested by Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
7112 (defcustom gnus-button-valid-localpart-regexp
7113 "[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t @]*"
7114 "Regular expression that matches a localpart of mail addresses or MIDs."
7116 :group 'gnus-article-buttons
7119 (defcustom gnus-button-man-handler 'manual-entry
7120 "Function to use for displaying man pages.
7121 The function must take at least one argument with a string naming the
7124 :type '(choice (function-item :tag "Man" manual-entry)
7125 (function-item :tag "Woman" woman)
7126 (function :tag "Other"))
7127 :group 'gnus-article-buttons)
7129 (defcustom gnus-button-mid-or-mail-regexp
7130 (concat "\\b\\(<?" gnus-button-valid-localpart-regexp "@"
7131 gnus-button-valid-fqdn-regexp
7133 "Regular expression that matches a message ID or a mail address."
7135 :group 'gnus-article-buttons
7138 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
7139 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
7140 Strings like this can be either a message ID or a mail address. If it is one
7141 of the symbols `mid' or `mail', Gnus will always assume that the string is a
7142 message ID or a mail address, respectively. If this variable is set to the
7143 symbol `ask', always query the user what do do. If it is a function, this
7144 function will be called with the string as its only argument. The function
7145 must return `mid', `mail', `invalid' or `ask'."
7147 :group 'gnus-article-buttons
7148 :type '(choice (function-item :tag "Heuristic function"
7149 gnus-button-mid-or-mail-heuristic)
7154 (defcustom gnus-button-mid-or-mail-heuristic-alist
7155 '((-10.0 . ".+\\$.+@")
7158 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
7159 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
7160 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
7161 (-1.0 . "^[^a-z]+@")
7163 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
7164 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
7165 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
7166 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
7169 (-1.0 . "^[0-9][0-9]")
7171 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
7172 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
7173 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
7174 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
7176 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
7177 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
7180 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
7182 ;; compensation for TDMA dated mail addresses:
7183 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
7185 (-20.0 . "\\.fsf@") ;; Gnus
7188 (-20.0 . "^alpine\\.")
7189 (-20.0 . "_-_") ;; Subject change in thread
7191 (-20.0 . "\\.ln@") ;; leafnode
7192 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
7193 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
7195 ;; (5.0 . "") ;; $local_part_len <= 7
7196 (10.0 . "^[^0-9]+@")
7197 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
7198 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
7201 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
7203 (0.5 . "^[A-Z][a-z]")
7204 (0.5 . "^[A-Z][a-z][a-z]")
7205 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
7206 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
7207 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
7209 A negative RATE indicates a message IDs, whereas a positive indicates a mail
7210 address. The REGEXP is processed with `case-fold-search' set to nil."
7212 :group 'gnus-article-buttons
7213 :type '(repeat (cons (number :tag "Rate")
7214 (regexp :tag "Regexp"))))
7216 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
7217 "Guess whether MID-OR-MAIL is a message ID or a mail address.
7218 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
7219 address, `ask' if unsure and `invalid' if the string is invalid."
7220 (let ((case-fold-search nil)
7221 (list gnus-button-mid-or-mail-heuristic-alist)
7222 (result 0) rate regexp lpartlen elem)
7224 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
7225 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
7226 ;; Certain special cases...
7229 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
7230 "^[0-9]+\\.[0-9]+@compuserve\\|"
7231 "@public\\.gmane\\.org")
7233 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
7234 (setq result 'mail))
7235 (when (string-match "@.*@\\| " mid-or-mail)
7236 (gnus-message 8 "`%s' is invalid." mid-or-mail)
7237 (setq result 'invalid))
7238 ;; Nothing more to do, if result is not a number here...
7239 (when (numberp result)
7241 (setq elem (car list)
7245 (when (string-match regexp mid-or-mail)
7246 (setq result (+ result rate))
7248 9 "`%s' matched `%s', rate `%s', result `%s'."
7249 mid-or-mail regexp rate result)))
7250 (when (<= lpartlen 7)
7251 (setq result (+ result 5.0))
7252 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
7253 mid-or-mail result))
7254 (when (>= lpartlen 12)
7255 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
7257 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
7258 ;; Long local part should contain realname if e-mail address,
7259 ;; too many digits: message-id.
7260 ;; $score -= 5.0 + 0.1 * $local_part_len;
7261 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
7262 (setq result (+ result rate))
7264 9 "Many digits in `%s', rate `%s', result `%s'."
7265 mid-or-mail rate result))
7266 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
7268 ;; Too few vowels [^aeiouy]{4,}.*\@
7269 (setq result (+ result -5.0))
7271 9 "Few vowels in `%s', rate `%s', result `%s'."
7272 mid-or-mail -5.0 result))
7274 (setq result (+ result 5.0))
7276 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
7277 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
7278 ;; Maybe we should make this a customizable alist: (condition . 'result)
7280 ((symbolp result) result)
7281 ;; Now convert number into proper results:
7282 ((< result -10.0) 'mid)
7283 ((> result 10.0) 'mail)
7286 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
7287 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
7288 (url-mid (concat "news" ":" mid-or-mail))
7289 (url-mailto (concat "mailto" ":" mid-or-mail)))
7290 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
7291 (when (fboundp pref)
7293 ;; get rid of surrounding angles...
7295 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
7296 (if (or (eq 'mid guessed) (eq 'mail guessed))
7300 (save-window-excursion
7301 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
7304 (cond ((eq pref 'mid)
7305 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
7306 (gnus-button-handle-news url-mid))
7308 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
7309 (gnus-url-mailto url-mailto))
7310 (t (gnus-message 3 "Invalid string.")))))
7312 (defun gnus-button-handle-custom (fun arg)
7313 "Call function FUN on argument ARG.
7314 Both FUN and ARG are supposed to be strings. ARG will be passed
7315 as a symbol to FUN."
7316 (funcall (intern fun)
7317 (if (string-match "^customize-apropos" fun)
7321 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
7323 ;; FIXME: Maybe we should merge some of the functions that do quite similar
7326 (defun gnus-button-handle-describe-function (url)
7327 "Call `describe-function' when pushing the corresponding URL button."
7330 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
7332 (defun gnus-button-handle-describe-variable (url)
7333 "Call `describe-variable' when pushing the corresponding URL button."
7336 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
7338 (defun gnus-button-handle-symbol (url)
7339 "Display help on variable or function.
7340 Calls `describe-variable' or `describe-function'."
7341 (let ((sym (intern url)))
7343 ((fboundp sym) (describe-function sym))
7344 ((boundp sym) (describe-variable sym))
7345 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
7347 (defun gnus-button-handle-describe-key (url)
7348 "Call `describe-key' when pushing the corresponding URL button."
7350 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
7351 (keys (ignore-errors (eval `(kbd ,key-string)))))
7354 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
7356 (defun gnus-button-handle-apropos (url)
7357 "Call `apropos' when pushing the corresponding URL button."
7358 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
7360 (defun gnus-button-handle-apropos-command (url)
7361 "Call `apropos' when pushing the corresponding URL button."
7363 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
7365 (defun gnus-button-handle-apropos-variable (url)
7366 "Call `apropos' when pushing the corresponding URL button."
7368 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
7369 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
7371 (defun gnus-button-handle-apropos-documentation (url)
7372 "Call `apropos' when pushing the corresponding URL button."
7374 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
7375 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
7377 (defun gnus-button-handle-library (url)
7378 "Call `locate-library' when pushing the corresponding URL button."
7379 (gnus-message 9 "url=`%s'" url)
7380 (let* ((lib (locate-library url))
7381 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
7383 (gnus-message 1 "Cannot locale library `%s'." url)
7384 (find-file-read-only file))))
7386 (defcustom gnus-button-man-level 5
7387 "*Integer that says how many man-related buttons Gnus will show.
7388 The higher the number, the more buttons will appear and the more false
7389 positives are possible. Note that you can set this variable local to
7390 specific groups. Setting it higher in Unix groups is probably a good idea.
7391 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
7392 how to set variables in specific groups."
7394 :group 'gnus-article-buttons
7395 :link '(custom-manual "(gnus)Group Parameters")
7398 (defcustom gnus-button-emacs-level 5
7399 "*Integer that says how many emacs-related buttons Gnus will show.
7400 The higher the number, the more buttons will appear and the more false
7401 positives are possible. Note that you can set this variable local to
7402 specific groups. Setting it higher in Emacs or Gnus related groups is
7403 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
7404 `gnus-parameters' on how to set variables in specific groups."
7406 :group 'gnus-article-buttons
7407 :link '(custom-manual "(gnus)Group Parameters")
7410 (defcustom gnus-button-message-level 5
7411 "*Integer that says how many buttons for news or mail messages will appear.
7412 The higher the number, the more buttons will appear and the more false
7413 positives are possible."
7414 ;; mail addresses, MIDs, URLs for news, ...
7416 :group 'gnus-article-buttons
7419 (defcustom gnus-button-browse-level 5
7420 "*Integer that says how many buttons for browsing will appear.
7421 The higher the number, the more buttons will appear and the more false
7422 positives are possible."
7423 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
7425 :group 'gnus-article-buttons
7428 (defcustom gnus-button-alist
7429 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
7430 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
7431 ((concat "\\b\\(nntp\\|news\\):\\("
7432 gnus-button-valid-localpart-regexp "@[a-z0-9.-]+[a-z]\\)")
7433 0 t gnus-button-handle-news 2)
7434 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
7435 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
7436 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
7437 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
7438 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
7439 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
7440 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
7441 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
7442 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
7443 ("\\b\\(mid\\|message-id\\):? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
7444 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
7445 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
7446 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
7447 ;; RFC 2368 (The mailto URL scheme)
7448 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
7449 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
7450 ("\\bmailto:\\([^ \n\t]+\\)"
7451 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
7452 ;; Info Konqueror style <info:/foo/bar baz>.
7453 ;; Must come before " Gnus home-grown style".
7454 ("\\binfo://?\\([^'\">\n\t]+\\)"
7455 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
7456 ;; Info, Gnus home-grown style (deprecated) <info://foo/bar+baz>
7457 ("\\binfo://\\([^'\">\n\t ]+\\)"
7458 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
7459 ;; Info GNOME style <info:foo#bar_baz>
7460 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
7461 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
7462 ;; Info KDE style <info:(foo)bar baz>
7463 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
7464 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
7465 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
7466 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
7467 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+[^ ]+ ?[^ ]+[ \t\n]+RET\\([ \t\n]+i[ \t\n]+[^ ]+ ?[^ ]+[ \t\n]+RET\\([ \t\n,]*\\)\\)?"
7468 ;; Info links like `C-h i d m Gnus RET' or `C-h i d m Gnus RET i partial RET'
7469 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 0)
7471 ("M-x[ \t\n]\\(customize-[^ ]+\\)[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET\\>" 0
7472 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1 2)
7473 ;; Emacs help commands
7474 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET\\>"
7475 ;; regexp doesn't match arguments containing ` '.
7476 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
7477 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET\\>"
7478 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
7479 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET\\>"
7480 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
7481 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET\\>"
7482 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
7483 ;; The following entries may lead to many false positives so don't enable
7484 ;; them by default (use a high button level).
7485 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>[^.?]"
7486 ;; Exclude [.?] for URLs in gmane.emacs.cvs
7487 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
7488 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
7489 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
7490 ("`\\([a-z][a-z0-9]+-[a-z0-9]+-[-a-z0-9]*[a-z]\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
7491 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
7492 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
7493 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
7494 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
7495 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
7496 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET\\>"
7497 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
7498 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET\\>"
7499 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
7500 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET\\>"
7501 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
7502 ("`\\(\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
7503 ;; Unlike the other regexps we really have to require quoting
7504 ;; here to determine where it ends.
7505 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
7506 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
7507 ("<URL: *\\([^\n<>]*\\)>"
7508 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
7509 ;; RFC 2396 (2.4.3., delims) ...
7510 ("\"URL: *\\([^\n\"]*\\)\""
7511 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
7513 (gnus-button-url-regexp
7514 0 (>= gnus-button-browse-level 0) browse-url 0)
7516 ("\\b\\([a-z][a-z]+([1-9])\\)\\W"
7517 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
7518 gnus-button-handle-man 1)
7519 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
7520 ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W"
7521 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
7522 gnus-button-handle-man 1)
7523 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
7524 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
7525 ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\|\\b\\(?:X([1-9])\\)\\)\\W"
7526 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
7527 ;; Recognizing patches to .el files. This is somewhat obscure,
7528 ;; but considering the percentage of Gnus users who hack Emacs
7530 ("^--- \\([^ .]+\\.el\\).*\n.*\n@@ -?\\([0-9]+\\)" 1
7531 (>= gnus-button-message-level 4) gnus-button-patch 1 2)
7532 ("^\\*\\*\\* \\([^ .]+\\.el\\).*\n.*\n\\*+\n\\*\\*\\* \\([0-9]+\\)" 1
7533 (>= gnus-button-message-level 4) gnus-button-patch 1 2)
7534 ;; MID or mail: To avoid too many false positives we don't try to catch
7535 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
7536 ;; at least one dot. TLD must contain two or three chars or be a know TLD
7537 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
7538 ;; so that non-ambiguous entries (see above) match first.
7539 (gnus-button-mid-or-mail-regexp
7540 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
7541 "*Alist of regexps matching buttons in article bodies.
7543 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
7544 REGEXP: is the string (case insensitive) matching text around the button (can
7545 also be Lisp expression evaluating to a string),
7546 BUTTON: is the number of the regexp grouping actually matching the button,
7547 FORM: is a Lisp expression which must eval to true for the button to
7549 CALLBACK: is the function to call when the user push this button, and each
7550 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
7552 CALLBACK can also be a variable, in that case the value of that
7553 variable it the real callback function."
7554 :group 'gnus-article-buttons
7555 :type '(repeat (list (choice regexp variable sexp)
7556 (integer :tag "Button")
7558 (function :tag "Callback")
7561 (integer :tag "Regexp group")))))
7562 (put 'gnus-button-alist 'risky-local-variable t)
7564 (defcustom gnus-header-button-alist
7565 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
7566 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
7567 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
7568 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
7569 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
7570 0 (>= gnus-button-message-level 0) gnus-msg-mail 0)
7571 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
7572 0 (>= gnus-button-browse-level 0) browse-url 0)
7573 ("^Subject:" gnus-button-url-regexp
7574 0 (>= gnus-button-browse-level 0) browse-url 0)
7575 ("^[^:]+:" gnus-button-url-regexp
7576 0 (>= gnus-button-browse-level 0) browse-url 0)
7577 ("^OpenPGP:.*url=" gnus-button-url-regexp
7578 0 (>= gnus-button-browse-level 0) gnus-button-openpgp 0)
7579 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
7580 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
7581 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
7582 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
7583 "*Alist of headers and regexps to match buttons in article heads.
7585 This alist is very similar to `gnus-button-alist', except that each
7586 alist has an additional HEADER element first in each entry:
7588 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
7590 HEADER is a regexp to match a header. For a fuller explanation, see
7591 `gnus-button-alist'."
7592 :group 'gnus-article-buttons
7593 :group 'gnus-article-headers
7594 :type '(repeat (list (regexp :tag "Header")
7595 (choice regexp variable)
7596 (integer :tag "Button")
7598 (function :tag "Callback")
7601 (integer :tag "Regexp group")))))
7602 (put 'gnus-header-button-alist 'risky-local-variable t)
7606 (defun gnus-article-push-button (event)
7607 "Check text under the mouse pointer for a callback function.
7608 If the text under the mouse pointer has a `gnus-callback' property,
7609 call it with the value of the `gnus-data' text property."
7611 (set-buffer (window-buffer (posn-window (event-start event))))
7612 (let* ((pos (posn-point (event-start event)))
7613 (data (get-text-property pos 'gnus-data))
7614 (fun (get-text-property pos 'gnus-callback)))
7617 (funcall fun data))))
7619 (defun gnus-article-press-button ()
7620 "Check text at point for a callback function.
7621 If the text at point has a `gnus-callback' property,
7622 call it with the value of the `gnus-data' text property."
7624 (let ((data (get-text-property (point) 'gnus-data))
7625 (fun (get-text-property (point) 'gnus-callback)))
7627 (funcall fun data))))
7629 (defun gnus-article-highlight (&optional force)
7630 "Highlight current article.
7631 This function calls `gnus-article-highlight-headers',
7632 `gnus-article-highlight-citation',
7633 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
7634 do the highlighting. See the documentation for those functions."
7635 (interactive (list 'force))
7636 (gnus-article-highlight-headers)
7637 (gnus-article-highlight-citation force)
7638 (gnus-article-highlight-signature)
7639 (gnus-article-add-buttons)
7640 (gnus-article-add-buttons-to-head))
7642 (defun gnus-article-highlight-some (&optional force)
7643 "Highlight current article.
7644 This function calls `gnus-article-highlight-headers',
7645 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
7646 do the highlighting. See the documentation for those functions."
7647 (interactive (list 'force))
7648 (gnus-article-highlight-headers)
7649 (gnus-article-highlight-signature)
7650 (gnus-article-add-buttons))
7652 (defun gnus-article-highlight-headers ()
7653 "Highlight article headers as specified by `gnus-header-face-alist'."
7655 (gnus-with-article-headers
7656 (let (regexp header-face field-face from hpoints fpoints)
7657 (dolist (entry gnus-header-face-alist)
7658 (goto-char (point-min))
7659 (setq regexp (concat "^\\("
7660 (if (string-equal "" (nth 0 entry))
7664 header-face (nth 1 entry)
7665 field-face (nth 2 entry))
7666 (while (and (re-search-forward regexp nil t)
7670 (unless (search-forward ":" nil t)
7672 (when (and header-face
7673 (not (memq (point) hpoints)))
7674 (push (point) hpoints)
7675 (gnus-put-text-property from (point) 'face header-face))
7676 (when (and field-face
7677 (not (memq (setq from (point)) fpoints)))
7679 (if (re-search-forward "^[^ \t]" nil t)
7681 (goto-char (point-max)))
7682 (gnus-put-text-property from (point) 'face field-face)))))))
7684 (defun gnus-article-highlight-signature ()
7685 "Highlight the signature in an article.
7686 It does this by highlighting everything after
7687 `gnus-signature-separator' using the face `gnus-signature'."
7689 (gnus-with-article-buffer
7690 (let ((inhibit-point-motion-hooks t))
7692 (when (and gnus-signature-face
7693 (gnus-article-narrow-to-signature))
7694 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max) nil t)
7695 'face gnus-signature-face)
7697 (gnus-article-search-signature)
7698 (let ((start (match-beginning 0))
7699 (end (set-marker (make-marker) (1+ (match-end 0)))))
7700 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
7703 (defun gnus-button-in-region-p (b e prop)
7704 "Say whether PROP exists in the region."
7705 (text-property-not-all b e prop nil))
7707 (defun gnus-article-add-buttons ()
7708 "Find external references in the article and make buttons of them.
7709 \"External references\" are things like Message-IDs and URLs, as
7710 specified by `gnus-button-alist'."
7712 (gnus-with-article-buffer
7713 (let ((inhibit-point-motion-hooks t)
7714 (case-fold-search t)
7715 (alist gnus-button-alist)
7717 ;; We skip the headers.
7720 (while (setq entry (pop alist))
7721 (setq regexp (eval (car entry)))
7723 (while (re-search-forward regexp nil t)
7724 (let ((start (match-beginning (nth 1 entry)))
7725 (end (match-end (nth 1 entry)))
7726 (from (match-beginning 0)))
7727 (when (and (eval (nth 2 entry))
7728 (not (gnus-button-in-region-p
7729 start end 'gnus-callback)))
7730 ;; That optional form returned non-nil, so we add the
7732 (setq from (set-marker (make-marker) from))
7733 (unless (and (eq (car entry) 'gnus-button-url-regexp)
7734 (gnus-article-extend-url-button from start end))
7735 (gnus-article-add-button start end
7736 'gnus-button-push (list from entry))
7737 (gnus-put-text-property
7739 'gnus-string (buffer-substring-no-properties
7742 (defun gnus-article-extend-url-button (beg start end)
7743 "Extend url button if url is folded into two or more lines.
7744 Return non-nil if button is extended. BEG is a marker that points to
7745 the beginning position of a text containing url. START and END are
7746 the endpoints of a url button before it is extended. The concatenated
7747 url is put as the `gnus-button-url' overlay property on the button."
7748 (let ((opoint (point))
7749 (points (list start end))
7754 (not (looking-at "[\t ]*[\">]")))
7758 "\\(?:\"\\|\\(<\\)\\)[\t ]*\\(?:url[\t ]*:[\t ]*\\)?\\'"
7759 (buffer-substring (point-at-bol) start)))
7761 (setq url (list (buffer-substring start end))
7762 delim (if (match-beginning 1) ">" "\""))
7764 (setq regexp (concat
7765 (when (and (looking-at
7766 message-cite-prefix-regexp)
7767 (< (match-end 0) start))
7768 (regexp-quote (match-string 0)))
7770 \[\t ]*\\(?:\\([^\t\n \">]+\\)[\t ]*$\\|\\([^\t\n \">]*\\)[\t ]*"
7774 (and (looking-at regexp)
7777 (push (or (match-string 2)
7780 (push (setq end (or (match-end 2)
7783 (push (or (match-beginning 2)
7784 (match-beginning 1))
7786 (match-beginning 2)))
7787 (let (gnus-article-mouse-face widget-mouse-face)
7789 (gnus-article-add-button (pop points) (pop points)
7790 'gnus-button-push beg)))
7791 (let ((overlay (gnus-make-overlay start end)))
7792 (gnus-overlay-put overlay 'evaporate t)
7793 (gnus-overlay-put overlay 'gnus-button-url
7794 (list (mapconcat 'identity (nreverse url) "")))
7795 (when gnus-article-mouse-face
7796 (gnus-overlay-put overlay 'mouse-face gnus-article-mouse-face)))
7798 (goto-char opoint))))
7800 ;; Add buttons to the head of an article.
7801 (defun gnus-article-add-buttons-to-head ()
7802 "Add buttons to the head of the article."
7804 (gnus-with-article-headers
7806 (dolist (entry gnus-header-button-alist)
7807 ;; Each alist entry.
7808 (goto-char (point-min))
7809 (while (re-search-forward (car entry) nil t)
7810 ;; Each header matching the entry.
7811 (setq beg (match-beginning 0))
7812 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
7813 (match-beginning 0))
7816 (while (re-search-forward (eval (nth 1 entry)) end t)
7817 ;; Each match within a header.
7818 (let* ((entry (cdr entry))
7819 (start (match-beginning (nth 1 entry)))
7820 (end (match-end (nth 1 entry)))
7821 (form (nth 2 entry)))
7822 (goto-char (match-end 0))
7824 (gnus-article-add-button
7825 start end (nth 3 entry)
7826 (buffer-substring (match-beginning (nth 4 entry))
7827 (match-end (nth 4 entry)))))))
7828 (goto-char end))))))
7830 ;;; External functions:
7832 (defun gnus-article-add-button (from to fun &optional data text)
7833 "Create a button between FROM and TO with callback FUN and data DATA."
7834 (when gnus-article-button-face
7835 (gnus-overlay-put (gnus-make-overlay from to nil t)
7836 'face gnus-article-button-face))
7837 (gnus-add-text-properties
7839 (nconc (and gnus-article-mouse-face
7840 (list gnus-mouse-face-prop gnus-article-mouse-face))
7841 (list 'gnus-callback fun)
7842 (and data (list 'gnus-data data))))
7843 (widget-convert-button 'link from to :action 'gnus-widget-press-button
7844 :help-echo (or text "Follow the link")
7845 :keymap gnus-url-button-map
7846 :button-keymap gnus-widget-button-keymap))
7848 (defun gnus-article-copy-string ()
7849 "Copy the string in the button to the kill ring."
7851 (gnus-article-check-buffer)
7852 (let ((data (get-text-property (point) 'gnus-string)))
7856 (copy-region-as-kill (point-min) (point-max))
7857 (message "Copied %s" data)))))
7859 ;;; Internal functions:
7861 (defun gnus-article-set-globals ()
7862 (with-current-buffer gnus-summary-buffer
7863 (gnus-set-global-variables)))
7865 (defun gnus-signature-toggle (end)
7866 (gnus-with-article-buffer
7867 (let ((inhibit-point-motion-hooks t))
7868 (if (text-property-any end (point-max) 'article-type 'signature)
7870 (gnus-delete-wash-type 'signature)
7871 (gnus-remove-text-properties-when
7872 'article-type 'signature end (point-max)
7873 (cons 'article-type (cons 'signature
7874 gnus-hidden-properties))))
7875 (gnus-add-wash-type 'signature)
7876 (gnus-add-text-properties-when
7877 'article-type nil end (point-max)
7878 (cons 'article-type (cons 'signature
7879 gnus-hidden-properties)))))
7880 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
7881 (gnus-set-mode-line 'article))))
7883 (defun gnus-button-push (marker-and-entry)
7884 ;; Push button starting at MARKER.
7886 (let* ((marker (car marker-and-entry))
7887 (entry (cadr marker-and-entry))
7888 (regexp (car entry))
7889 (inhibit-point-motion-hooks t))
7891 ;; This is obviously true, or something bad is happening :)
7892 ;; But we need it to have the match-data
7893 (when (looking-at (or (if (symbolp regexp)
7894 (symbol-value regexp)
7896 (let ((fun (nth 3 entry))
7897 (args (or (and (eq (car entry) 'gnus-button-url-regexp)
7898 (get-char-property marker 'gnus-button-url))
7899 (mapcar (lambda (group)
7900 (let ((string (match-string group)))
7901 (set-text-properties
7902 0 (length string) nil string)
7904 (nthcdr 4 entry)))))
7910 (fboundp (symbol-value fun)))
7911 (apply (symbol-value fun) args))
7913 (gnus-message 1 "You must define `%S' to use this button"
7914 (cons fun args)))))))))
7916 (defun gnus-parse-news-url (url)
7917 (let (scheme server port group message-id articles)
7920 (goto-char (point-min))
7921 (when (looking-at "\\([A-Za-z]+\\):")
7922 (setq scheme (match-string 1))
7923 (goto-char (match-end 0)))
7924 (when (looking-at "//\\([^:/]+\\)\\(:?\\)\\([0-9]+\\)?/")
7925 (setq server (match-string 1))
7926 (setq port (if (stringp (match-string 3))
7927 (string-to-number (match-string 3))
7929 (goto-char (match-end 0)))
7932 ((looking-at "\\(.*@.*\\)")
7933 (setq message-id (match-string 1)))
7934 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
7935 (setq group (match-string 1)
7936 articles (split-string (match-string 2) "-")))
7937 ((looking-at "\\([^/]+\\)/?")
7938 (setq group (match-string 1)))
7940 (error "Unknown news URL syntax"))))
7941 (list scheme server port group message-id articles)))
7943 (defun gnus-button-handle-news (url)
7945 (destructuring-bind (scheme server port group message-id articles)
7946 (gnus-parse-news-url url)
7949 (with-current-buffer gnus-summary-buffer
7951 (let ((gnus-refer-article-method
7952 (nconc (list (list 'nntp server))
7953 gnus-refer-article-method))
7954 (nntp-port-number (or port "nntp")))
7955 (gnus-message 7 "Fetching %s with %s"
7956 message-id gnus-refer-article-method)
7957 (gnus-summary-refer-article message-id))
7958 (gnus-summary-refer-article message-id))))
7960 (gnus-button-fetch-group url)))))
7962 (defun gnus-button-patch (library line)
7963 "Visit an Emacs Lisp library LIBRARY on line LINE."
7965 (let ((file (locate-library (file-name-nondirectory library))))
7967 (error "Couldn't find library %s" library))
7969 (goto-char (point-min))
7970 (forward-line (1- (string-to-number line)))))
7972 (defun gnus-button-handle-man (url)
7974 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7975 (when (eq gnus-button-man-handler 'woman)
7976 (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" "")))
7977 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7978 (funcall gnus-button-man-handler url))
7980 (defun gnus-button-handle-info-url (url)
7981 "Fetch an info URL."
7982 (setq url (mm-subst-char-in-string ?+ ?\ url))
7984 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
7985 (gnus-info-find-node
7986 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
7988 ")" (gnus-url-unhex-string (match-string 2 url)))))
7989 ((string-match "([^)\"]+)[^\"]+" url)
7991 (gnus-replace-in-string
7992 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
7993 (gnus-info-find-node url))
7994 (t (error "Can't parse %s" url))))
7996 (defun gnus-button-handle-info-url-gnome (url)
7997 "Fetch GNOME style info URL."
7998 (setq url (mm-subst-char-in-string ?_ ?\ url))
7999 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
8000 (gnus-info-find-node
8002 (gnus-url-unhex-string
8003 (match-string 1 url))
8005 (or (gnus-url-unhex-string
8006 (match-string 2 url))
8008 (error "Can't parse %s" url)))
8010 (defun gnus-button-handle-info-url-kde (url)
8011 "Fetch KDE style info URL."
8012 (gnus-info-find-node (gnus-url-unhex-string url)))
8014 ;; (info) will autoload info.el
8015 (declare-function Info-menu "info" (menu-item &optional fork))
8016 (declare-function Info-index-next "info" (num))
8018 (defun gnus-button-handle-info-keystrokes (url)
8019 "Call `info' when pushing the corresponding URL button."
8020 ;; For links like `C-h i d m gnus RET part RET , ,', `C-h i d m CC Mode RET'.
8021 (let (node indx comma)
8023 (concat "\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+"
8024 "\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
8025 "\\([ \t\n]+i[ \t\n]+[^ ]+ ?[^ ]+[ \t\n]+RET\\>"
8026 "\\(?:[ \t\n,]*\\)\\)?")
8028 (setq node (match-string 2 url)
8029 indx (match-string 3 url))
8030 (error "Can't parse %s" url))
8034 (when (> (length indx) 0)
8035 (string-match (concat "[ \t\n]+i[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET\\>"
8038 (setq comma (match-string 2 indx))
8039 (setq indx (match-string 1 indx))
8042 (dotimes (i (with-temp-buffer
8044 ;; Note: the XEmacs version of `how-many' takes
8045 ;; no optional argument.
8046 (goto-char (point-min))
8048 (Info-index-next 1)))
8051 (autoload 'pgg-snarf-keys-region "pgg")
8052 ;; Called after pgg-snarf-keys-region, which autoloads pgg.el.
8053 (declare-function pgg-display-output-buffer "pgg" (start end status))
8055 (defun gnus-button-openpgp (url)
8056 "Retrieve and add an OpenPGP key given URL from an OpenPGP header."
8058 (mm-url-insert-file-contents-external url)
8059 (pgg-snarf-keys-region (point-min) (point-max))
8060 (pgg-display-output-buffer nil nil nil)))
8062 (defun gnus-button-message-id (message-id)
8064 (with-current-buffer gnus-summary-buffer
8065 (gnus-summary-refer-article message-id)))
8067 (defun gnus-button-fetch-group (address &rest ignore)
8068 "Fetch GROUP specified by ADDRESS."
8069 (when (string-match "\\`\\(nntp\\|news\\):\\(//\\)?\\(.*\\)\\'"
8071 ;; Allow to use `gnus-button-fetch-group' in `browse-url-browser-function'
8072 ;; for nntp:// and news://
8073 (setq address (match-string 3 address)))
8074 (if (not (string-match "[:/]" address))
8075 ;; This is just a simple group url.
8076 (gnus-group-read-ephemeral-group address gnus-select-method)
8079 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
8081 (error "Can't parse %s" address)
8082 (gnus-group-read-ephemeral-group
8083 (match-string 4 address)
8084 `(nntp ,(match-string 1 address)
8085 (nntp-address ,(match-string 1 address))
8086 (nntp-port-number ,(if (match-end 3)
8087 (match-string 3 address)
8090 (and (match-end 6) (list (string-to-number (match-string 6 address))))))))
8092 (defun gnus-url-parse-query-string (query &optional downcase)
8093 (let (retval pairs cur key val)
8094 (setq pairs (split-string query "&"))
8096 (setq cur (car pairs)
8098 (if (not (string-match "=" cur))
8100 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
8101 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
8103 (setq key (downcase key)))
8104 (setq cur (assoc key retval))
8106 (setcdr cur (cons val (cdr cur)))
8107 (setq retval (cons (list key val) retval)))))
8110 (defun gnus-url-mailto (url)
8111 ;; Send mail to someone
8112 (setq url (replace-regexp-in-string "\n" " " url))
8113 (when (string-match "mailto:/*\\(.*\\)" url)
8114 (setq url (substring url (match-beginning 1) nil)))
8115 (let (to args subject func)
8116 (setq args (gnus-url-parse-query-string
8117 (if (string-match "^\\?" url)
8119 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
8120 (concat "to=" (match-string 1 url) "&"
8121 (match-string 2 url))
8122 (concat "to=" url))))
8123 subject (cdr-safe (assoc "subject" args)))
8126 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
8129 (message-position-on-field (caar args)))
8130 (insert (gnus-replace-in-string
8131 (mapconcat 'identity (reverse (cdar args)) ", ")
8133 (setq args (cdr args)))
8136 (message-goto-subject))))
8138 (defun gnus-button-embedded-url (address)
8139 "Activate ADDRESS with `browse-url'."
8140 (browse-url (gnus-strip-whitespace address)))
8142 ;;; Next/prev buttons in the article buffer.
8144 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
8145 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
8147 (defvar gnus-prev-page-map
8148 (let ((map (make-sparse-keymap)))
8149 (define-key map gnus-mouse-2 'gnus-button-prev-page)
8150 (define-key map "\r" 'gnus-button-prev-page)
8153 (defvar gnus-next-page-map
8154 (let ((map (make-sparse-keymap)))
8155 (define-key map gnus-mouse-2 'gnus-button-next-page)
8156 (define-key map "\r" 'gnus-button-next-page)
8159 (defun gnus-insert-prev-page-button ()
8161 (inhibit-read-only t))
8163 gnus-prev-page-line-format nil
8164 `(keymap ,gnus-prev-page-map
8166 gnus-callback gnus-article-button-prev-page
8167 article-type annotation))
8169 ;; Exclude a newline.
8172 (when gnus-article-button-face
8173 (gnus-overlay-put (gnus-make-overlay b e nil t)
8174 'face gnus-article-button-face))
8175 (widget-convert-button
8177 :action 'gnus-button-prev-page
8178 :button-keymap gnus-prev-page-map)))
8180 (defun gnus-button-next-page (&optional args more-args)
8181 "Go to the next page."
8183 (let ((win (selected-window)))
8184 (select-window (gnus-get-buffer-window gnus-article-buffer t))
8185 (gnus-article-next-page)
8186 (select-window win)))
8188 (defun gnus-button-prev-page (&optional args more-args)
8189 "Go to the prev page."
8191 (let ((win (selected-window)))
8192 (select-window (gnus-get-buffer-window gnus-article-buffer t))
8193 (gnus-article-prev-page)
8194 (select-window win)))
8196 (defun gnus-insert-next-page-button ()
8198 (inhibit-read-only t))
8199 (gnus-eval-format gnus-next-page-line-format nil
8200 `(keymap ,gnus-next-page-map
8202 gnus-callback gnus-article-button-next-page
8203 article-type annotation))
8205 ;; Exclude a newline.
8208 (when gnus-article-button-face
8209 (gnus-overlay-put (gnus-make-overlay b e nil t)
8210 'face gnus-article-button-face))
8211 (widget-convert-button
8213 :action 'gnus-button-next-page
8214 :button-keymap gnus-next-page-map)))
8216 (defun gnus-article-button-next-page (arg)
8217 "Go to the next page."
8219 (let ((win (selected-window)))
8220 (select-window (gnus-get-buffer-window gnus-article-buffer t))
8221 (gnus-article-next-page)
8222 (select-window win)))
8224 (defun gnus-article-button-prev-page (arg)
8225 "Go to the prev page."
8227 (let ((win (selected-window)))
8228 (select-window (gnus-get-buffer-window gnus-article-buffer t))
8229 (gnus-article-prev-page)
8230 (select-window win)))
8232 (defvar gnus-decode-header-methods
8233 '(mail-decode-encoded-word-region)
8234 "List of methods used to decode headers.
8236 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
8237 is FUNCTION, FUNCTION will be applied to all newsgroups. If item is a
8238 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
8239 whose names match REGEXP.
8242 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
8243 mail-decode-encoded-word-region
8244 (\"chinese\" . rfc1843-decode-region))
8247 (defvar gnus-decode-header-methods-cache nil)
8249 (defun gnus-multi-decode-header (start end)
8250 "Apply the functions from `gnus-encoded-word-methods' that match."
8251 (unless (and gnus-decode-header-methods-cache
8252 (eq gnus-newsgroup-name
8253 (car gnus-decode-header-methods-cache)))
8254 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
8255 (dolist (x gnus-decode-header-methods)
8257 (nconc gnus-decode-header-methods-cache (list x))
8258 (if (and gnus-newsgroup-name
8259 (string-match (car x) gnus-newsgroup-name))
8260 (nconc gnus-decode-header-methods-cache
8262 (let ((xlist gnus-decode-header-methods-cache))
8265 (narrow-to-region start end)
8267 (funcall (pop xlist) (point-min) (point-max))))))
8270 ;;; Treatment top-level handling.
8273 (defvar gnus-inhibit-article-treatments nil)
8275 (defun gnus-treat-article (gnus-treat-condition
8276 &optional part-number total-parts gnus-treat-type)
8277 (let ((gnus-treat-length (- (point-max) (point-min)))
8278 (alist gnus-treatment-function-alist)
8279 (article-goto-body-goes-to-point-min-p t)
8281 (or (not gnus-treat-type)
8283 (let ((list gnus-article-treat-types))
8285 (when (string-match (pop list) gnus-treat-type)
8286 (throw 'found t)))))))
8287 (highlightp (gnus-visual-p 'article-highlight 'highlight))
8289 (gnus-run-hooks 'gnus-part-display-hook)
8290 (dolist (elem alist)
8293 (when (gnus-buffer-live-p gnus-summary-buffer)
8294 (set-buffer gnus-summary-buffer))
8295 (symbol-value (car elem))))
8296 (when (and (or (consp val)
8298 (or (not gnus-inhibit-article-treatments)
8299 (eq gnus-treat-condition 'head))
8300 (gnus-treat-predicate val)
8301 (or (not (get (car elem) 'highlight))
8304 (funcall (cadr elem)))))))
8306 ;; Dynamic variables.
8307 (defvar part-number)
8308 (defvar total-parts)
8309 (defvar gnus-treat-type)
8310 (defvar gnus-treat-condition)
8311 (defvar gnus-treat-length)
8313 (defun gnus-treat-predicate (val)
8317 (gnus-treat-condition
8318 (eq gnus-treat-condition val))
8320 (stringp (car val)))
8321 (apply 'gnus-or (mapcar `(lambda (s)
8322 (string-match s ,(or gnus-newsgroup-name "")))
8325 (let ((pred (pop val)))
8328 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
8330 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
8332 (not (gnus-treat-predicate (car val))))
8334 (equal (car val) gnus-treat-type))
8336 (error "%S is not a valid predicate" pred)))))
8344 (eq part-number total-parts))
8346 (< gnus-treat-length val))
8348 (error "%S is not a valid value" val))))
8350 (defun gnus-article-encrypt-body (protocol &optional n)
8351 "Encrypt the article body."
8354 (or gnus-article-encrypt-protocol
8355 (gnus-completing-read "Encrypt protocol"
8356 (mapcar 'car gnus-article-encrypt-protocol-alist)
8358 current-prefix-arg))
8359 ;; User might hit `K E' instead of `K e', so prompt once.
8360 (when (and gnus-article-encrypt-protocol
8362 (unless (gnus-y-or-n-p "Really encrypt article(s)? ")
8363 (error "Encrypt aborted")))
8364 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
8366 (error "Can't find the encrypt protocol %s" protocol))
8367 (if (member gnus-newsgroup-name '("nndraft:delayed"
8370 (error "Can't encrypt the article in group %s"
8371 gnus-newsgroup-name))
8372 (gnus-summary-iterate n
8373 (with-current-buffer gnus-summary-buffer
8374 (let ((mail-parse-charset gnus-newsgroup-charset)
8375 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
8376 (summary-buffer gnus-summary-buffer)
8378 (gnus-set-global-variables)
8379 (when (gnus-group-read-only-p)
8380 (error "The current newsgroup does not support article encrypt"))
8381 (gnus-summary-show-article t)
8383 (or (mail-header-references gnus-current-headers) ""))
8384 (set-buffer gnus-article-buffer)
8385 (let* ((inhibit-read-only t)
8387 (mapcar (lambda (field)
8388 (and (save-restriction
8389 (message-narrow-to-head)
8390 (goto-char (point-min))
8391 (search-forward field nil t))
8393 (message-narrow-to-field)
8395 (delete-region (point-min) (point-max))
8397 '("Content-Type:" "Content-Transfer-Encoding:"
8398 "Content-Disposition:"))))
8399 (message-narrow-to-head)
8400 (message-remove-header "MIME-Version")
8401 (goto-char (point-max))
8402 (setq point (point))
8403 (insert (apply 'concat headers))
8405 (narrow-to-region point (point-max))
8406 (let ((message-options message-options))
8407 (message-options-set 'message-sender user-mail-address)
8408 (message-options-set 'message-recipients user-mail-address)
8409 (message-options-set 'message-sign-encrypt 'not)
8411 (goto-char (point-min))
8412 (insert "MIME-Version: 1.0\n")
8414 (gnus-summary-edit-article-done
8415 references nil summary-buffer t))
8416 (when gnus-keep-backlog
8417 (gnus-backlog-remove-article
8418 (car gnus-article-current) (cdr gnus-article-current)))
8419 (gnus-flush-original-article-buffer)
8420 (when gnus-use-cache
8421 (gnus-cache-update-article
8422 (car gnus-article-current) (cdr gnus-article-current))))))))
8424 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
8425 "The following specs can be used:
8426 %t The security MIME type
8429 %D Details if button is pressed")
8431 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
8432 "The following specs can be used:
8433 %t The security MIME type
8436 %D Details if button is pressed")
8438 (defvar gnus-mime-security-button-line-format-alist
8439 '((?t gnus-tmp-type ?s)
8440 (?i gnus-tmp-info ?s)
8441 (?d gnus-tmp-details ?s)
8442 (?D gnus-tmp-pressed-details ?s)))
8444 (defvar gnus-mime-security-button-commands
8445 '((gnus-article-press-button "\r" "Show Detail")
8449 (gnus-mime-security-save-part "o" "Save...")
8458 (gnus-mime-security-pipe-part "|" "Pipe To Command...")
8461 (defvar gnus-mime-security-button-map
8462 (let ((map (make-sparse-keymap)))
8463 (define-key map gnus-mouse-2 'gnus-article-push-button)
8464 (define-key map gnus-down-mouse-3 'gnus-mime-security-button-menu)
8465 (dolist (c gnus-mime-security-button-commands)
8466 (define-key map (cadr c) (car c)))
8470 gnus-mime-security-button-menu gnus-mime-security-button-map
8471 "Security button menu."
8475 (unless (eq (car c) 'undefined)
8476 (vector (caddr c) (car c) :active t)))
8477 gnus-mime-security-button-commands))))
8479 (defun gnus-mime-security-button-menu (event prefix)
8480 "Construct a context-sensitive menu of security commands."
8481 (interactive "e\nP")
8482 (save-window-excursion
8483 (let ((pos (event-start event)))
8484 (select-window (posn-window pos))
8485 (goto-char (posn-point pos))
8486 (gnus-article-check-buffer)
8487 (popup-menu gnus-mime-security-button-menu nil prefix))))
8489 (defvar gnus-mime-security-details-buffer nil)
8491 (defvar gnus-mime-security-button-pressed nil)
8493 (defvar gnus-mime-security-show-details-inline t
8494 "If non-nil, show details in the article buffer.")
8496 (defun gnus-mime-security-verify-or-decrypt (handle)
8497 (mm-remove-parts (cdr handle))
8498 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
8499 point (inhibit-read-only t))
8501 (goto-char (car region)))
8502 (setq point (point))
8503 (with-current-buffer (mm-handle-multipart-original-buffer handle)
8504 (let* ((mm-verify-option 'known)
8505 (mm-decrypt-option 'known)
8506 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
8507 (unless (eq nparts (cdr handle))
8508 (mm-destroy-parts (cdr handle))
8509 (setcdr handle nparts))))
8510 (gnus-mime-display-security handle)
8512 (delete-region (point) (cdr region))
8513 (set-marker (car region) nil)
8514 (set-marker (cdr region) nil))
8517 (defun gnus-mime-security-show-details (handle)
8518 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
8520 (gnus-message 5 "No details.")
8521 (if gnus-mime-security-show-details-inline
8522 (let ((gnus-mime-security-button-pressed
8523 (not (get-text-property (point) 'gnus-mime-details)))
8524 (gnus-mime-security-button-line-format
8525 (get-text-property (point) 'gnus-line-format))
8526 (inhibit-read-only t))
8528 (while (eq (get-text-property (point) 'gnus-line-format)
8529 gnus-mime-security-button-line-format)
8533 (narrow-to-region (point) (point))
8534 (gnus-insert-mime-security-button handle))
8535 (delete-region (point)
8536 (or (text-property-not-all
8539 gnus-mime-security-button-line-format)
8542 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
8543 (with-current-buffer gnus-mime-security-details-buffer
8546 (setq gnus-mime-security-details-buffer
8547 (gnus-get-buffer-create "*MIME Security Details*")))
8548 (with-current-buffer gnus-mime-security-details-buffer
8550 (goto-char (point-min)))
8551 (pop-to-buffer gnus-mime-security-details-buffer)))))
8553 (defun gnus-mime-security-press-button (handle)
8555 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
8556 (gnus-mime-security-show-details handle)
8557 (gnus-mime-security-verify-or-decrypt handle))))
8559 (defun gnus-insert-mime-security-button (handle &optional displayed)
8560 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
8563 (or (nth 2 (assoc protocol mm-verify-function-alist))
8564 (nth 2 (assoc protocol mm-decrypt-function-alist))
8566 (if (equal (car handle) "multipart/signed")
8567 " Signed" " Encrypted")
8570 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
8573 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
8574 gnus-tmp-pressed-details
8576 (setq gnus-tmp-details
8577 (if gnus-tmp-details
8578 (concat "\n" gnus-tmp-details)
8580 (setq gnus-tmp-pressed-details
8581 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
8586 gnus-mime-security-button-line-format
8587 gnus-mime-security-button-line-format-alist
8588 `(keymap ,gnus-mime-security-button-map
8589 gnus-callback gnus-mime-security-press-button
8590 gnus-line-format ,gnus-mime-security-button-line-format
8591 gnus-mime-details ,gnus-mime-security-button-pressed
8592 article-type annotation
8595 ;; Exclude a newline.
8598 (when gnus-article-button-face
8599 (gnus-overlay-put (gnus-make-overlay b e nil t)
8600 'face gnus-article-button-face))
8601 (widget-convert-button
8604 :action 'gnus-widget-press-button
8605 :button-keymap gnus-mime-security-button-map
8608 ;; Needed to properly clear the message due to a bug in
8609 ;; wid-edit (XEmacs only).
8610 (when (boundp 'help-echo-owns-message)
8611 (setq help-echo-owns-message t))
8613 "%S: show detail; %S: more options"
8614 (aref gnus-mouse-2 0)
8615 (aref gnus-down-mouse-3 0))))))
8617 (defun gnus-mime-display-security (handle)
8619 (narrow-to-region (point) (point))
8620 (unless (gnus-unbuttonized-mime-type-p (car handle))
8621 (gnus-insert-mime-security-button handle))
8622 (gnus-mime-display-part (cadr handle))
8625 (unless (gnus-unbuttonized-mime-type-p (car handle))
8626 (let ((gnus-mime-security-button-line-format
8627 gnus-mime-security-button-end-line-format))
8628 (gnus-insert-mime-security-button handle)))
8629 (mm-set-handle-multipart-parameter
8631 (cons (set-marker (make-marker) (point-min))
8632 (set-marker (make-marker) (point-max))))
8633 (goto-char (point-max))))
8635 (defun gnus-mime-security-run-function (function)
8636 "Run FUNCTION with the security part under point."
8637 (gnus-article-check-buffer)
8638 (let ((data (get-text-property (point) 'gnus-data))
8640 (when (and (stringp (car-safe data))
8641 (setq buffer (mm-handle-multipart-original-buffer data))
8642 (setq handle (cadr data)))
8643 (if (bufferp (mm-handle-buffer handle))
8645 (setq handle (cons buffer (copy-sequence (cdr handle))))
8646 (mm-handle-set-undisplayer handle nil))
8647 (setq handle (mm-make-handle
8649 (mm-handle-multipart-ctl-parameter handle 'protocol)
8650 nil nil nil nil nil nil)))
8651 (funcall function handle))))
8653 (defun gnus-mime-security-save-part ()
8654 "Save the security part under point."
8656 (gnus-mime-security-run-function 'mm-save-part))
8658 (defun gnus-mime-security-pipe-part ()
8659 "Pipe the security part under point to a process."
8661 (gnus-mime-security-run-function 'mm-pipe-part))
8667 (run-hooks 'gnus-art-load-hook)
8669 ;;; gnus-art.el ends here