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 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'."
1597 :group 'gnus-article-treat
1598 :link '(custom-manual "(gnus)Customizing Articles")
1599 :type gnus-article-treat-custom)
1601 (defcustom gnus-treat-x-pgp-sig nil
1603 To automatically treat X-PGP-Sig, set it to head.
1604 Valid values are nil, t, `head', `first', `last', an integer or a
1605 predicate. See Info node `(gnus)Customizing Articles'."
1607 :group 'gnus-article-treat
1608 :group 'mime-security
1609 :link '(custom-manual "(gnus)Customizing Articles")
1610 :type gnus-article-treat-custom)
1612 (defvar gnus-article-encrypt-protocol-alist
1613 '(("PGP" . mml2015-self-encrypt)))
1615 ;; Set to nil if more than one protocol added to
1616 ;; gnus-article-encrypt-protocol-alist.
1617 (defcustom gnus-article-encrypt-protocol "PGP"
1618 "The protocol used for encrypt articles.
1619 It is a string, such as \"PGP\". If nil, ask user."
1622 :group 'mime-security)
1624 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1625 (mm-coding-system-p 'utf-8)
1626 (executable-find idna-program))
1627 "Whether IDNA decoding of headers is used when viewing messages.
1628 This requires GNU Libidn, and by default only enabled if it is found."
1630 :group 'gnus-article-headers
1633 (defcustom gnus-article-over-scroll nil
1634 "If non-nil, allow scrolling the article buffer even when there no more text."
1636 :group 'gnus-article
1639 (defcustom gnus-blocked-images 'gnus-block-private-groups
1640 "Images that have URLs matching this regexp will be blocked.
1641 This can also be a function to be evaluated. If so, it will be
1642 called with the group name as the parameter, and should return a
1648 ;;; Internal variables
1650 (defvar gnus-english-month-names
1651 '("January" "February" "March" "April" "May" "June" "July" "August"
1652 "September" "October" "November" "December"))
1654 (defvar article-goto-body-goes-to-point-min-p nil)
1655 (defvar gnus-article-wash-types nil)
1656 (defvar gnus-article-emphasis-alist nil)
1657 (defvar gnus-article-image-alist nil)
1659 (defvar gnus-article-mime-handle-alist-1 nil)
1660 (defvar gnus-treatment-function-alist
1661 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1662 (gnus-treat-strip-banner gnus-article-strip-banner)
1663 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1664 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1665 (gnus-treat-buttonize gnus-article-add-buttons)
1666 (gnus-treat-fill-article gnus-article-fill-cited-article)
1667 (gnus-treat-fill-long-lines gnus-article-fill-cited-long-lines)
1668 (gnus-treat-strip-cr gnus-article-remove-cr)
1669 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1670 (gnus-treat-date-ut gnus-article-date-ut)
1671 (gnus-treat-date-local gnus-article-date-local)
1672 (gnus-treat-date-english gnus-article-date-english)
1673 (gnus-treat-date-original gnus-article-date-original)
1674 (gnus-treat-date-user-defined gnus-article-date-user)
1675 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1676 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1677 (gnus-treat-display-x-face gnus-article-display-x-face)
1678 (gnus-treat-display-face gnus-article-display-face)
1679 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1680 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1681 (gnus-treat-hide-signature gnus-article-hide-signature)
1682 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1683 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1684 (gnus-treat-from-picon gnus-treat-from-picon)
1685 (gnus-treat-mail-picon gnus-treat-mail-picon)
1686 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1687 (gnus-treat-strip-pem gnus-article-hide-pem)
1688 (gnus-treat-from-gravatar gnus-treat-from-gravatar)
1689 (gnus-treat-mail-gravatar gnus-treat-mail-gravatar)
1690 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1691 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1692 (gnus-treat-strip-trailing-blank-lines
1693 gnus-article-remove-trailing-blank-lines)
1694 (gnus-treat-strip-leading-blank-lines
1695 gnus-article-strip-leading-blank-lines)
1696 (gnus-treat-strip-multiple-blank-lines
1697 gnus-article-strip-multiple-blank-lines)
1698 (gnus-treat-overstrike gnus-article-treat-overstrike)
1699 (gnus-treat-ansi-sequences gnus-article-treat-ansi-sequences)
1700 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1701 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1702 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1703 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1704 (gnus-treat-display-smileys gnus-treat-smiley)
1705 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1706 (gnus-treat-wash-html gnus-article-wash-html)
1707 (gnus-treat-emphasize gnus-article-emphasize)
1708 (gnus-treat-hide-citation gnus-article-hide-citation)
1709 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1710 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1711 (gnus-treat-body-boundary gnus-article-treat-body-boundary)))
1713 (defvar gnus-article-mime-handle-alist nil)
1714 (defvar article-lapsed-timer nil)
1715 (defvar gnus-article-current-summary nil)
1717 (defvar gnus-article-mode-syntax-table
1718 (let ((table (copy-syntax-table text-mode-syntax-table)))
1719 ;; This causes the citation match run O(2^n).
1720 ;; (modify-syntax-entry ?- "w" table)
1721 (modify-syntax-entry ?> ")<" table)
1722 (modify-syntax-entry ?< "(>" table)
1723 ;; make M-. in article buffers work for `foo' strings
1724 (modify-syntax-entry ?' " " table)
1725 (modify-syntax-entry ?` " " table)
1727 "Syntax table used in article mode buffers.
1728 Initialized from `text-mode-syntax-table.")
1730 (defvar gnus-save-article-buffer nil)
1732 (defvar gnus-number-of-articles-to-be-saved nil)
1734 (defvar gnus-inhibit-hiding nil)
1736 (defvar gnus-article-edit-mode nil)
1738 ;;; Macros for dealing with the article buffer.
1740 (defmacro gnus-with-article-headers (&rest forms)
1741 `(with-current-buffer gnus-article-buffer
1743 (let ((inhibit-read-only t)
1744 (inhibit-point-motion-hooks t)
1745 (case-fold-search t))
1746 (article-narrow-to-head)
1749 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1750 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1752 (defmacro gnus-with-article-buffer (&rest forms)
1753 `(with-current-buffer gnus-article-buffer
1754 (let ((inhibit-read-only t))
1757 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1758 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1760 (defun gnus-article-goto-header (header)
1761 "Go to HEADER, which is a regular expression."
1762 (re-search-forward (concat "^\\(" header "\\):") nil t))
1764 (defsubst gnus-article-hide-text (b e props)
1765 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1766 (gnus-add-text-properties-when 'article-type nil b e props)
1767 (when (memq 'intangible props)
1769 (max (1- b) (point-min))
1770 b 'intangible (cddr (memq 'intangible props)))))
1772 (defsubst gnus-article-unhide-text (b e)
1773 "Remove hidden text properties from region between B and E."
1774 (remove-text-properties b e gnus-hidden-properties)
1775 (when (memq 'intangible gnus-hidden-properties)
1776 (put-text-property (max (1- b) (point-min))
1777 b 'intangible nil)))
1779 (defun gnus-article-hide-text-type (b e type)
1780 "Hide text of TYPE between B and E."
1781 (gnus-add-wash-type type)
1782 (gnus-article-hide-text
1783 b e (cons 'article-type (cons type gnus-hidden-properties))))
1785 (defun gnus-article-unhide-text-type (b e type)
1786 "Unhide text of TYPE between B and E."
1787 (gnus-delete-wash-type type)
1788 (remove-text-properties
1789 b e (cons 'article-type (cons type gnus-hidden-properties)))
1790 (when (memq 'intangible gnus-hidden-properties)
1791 (put-text-property (max (1- b) (point-min))
1792 b 'intangible nil)))
1794 (defun gnus-article-hide-text-of-type (type)
1795 "Hide text of TYPE in the current buffer."
1797 (let ((b (point-min))
1799 (while (setq b (text-property-any b e 'article-type type))
1800 (add-text-properties b (incf b) gnus-hidden-properties)))))
1802 (defun gnus-article-delete-text-of-type (type)
1803 "Delete text of TYPE in the current buffer."
1805 (let ((b (point-min)))
1806 (if (eq type 'multipart)
1807 ;; Remove MIME buttons associated with multipart/alternative parts.
1810 (while (if (get-text-property (point) 'gnus-part)
1812 (when (setq b (next-single-property-change (point)
1817 (skip-chars-forward "\n")
1818 (when (eq (get-text-property b 'article-type) 'multipart)
1819 (delete-region b (point)))))
1820 (while (setq b (text-property-any b (point-max) 'article-type type))
1822 b (or (text-property-not-all b (point-max) 'article-type type)
1825 (defun gnus-article-delete-invisible-text ()
1826 "Delete all invisible text in the current buffer."
1828 (let ((b (point-min)))
1829 (while (setq b (text-property-any b (point-max) 'invisible t))
1831 b (or (text-property-not-all b (point-max) 'invisible t)
1834 (defun gnus-article-text-type-exists-p (type)
1835 "Say whether any text of type TYPE exists in the buffer."
1836 (text-property-any (point-min) (point-max) 'article-type type))
1838 (defsubst gnus-article-header-rank ()
1839 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1840 (let ((list gnus-sorted-header-list)
1843 (if (looking-at (car list))
1845 (setq list (cdr list))
1849 (defun article-hide-headers (&optional arg delete)
1850 "Hide unwanted headers and possibly sort them as well."
1852 ;; This function might be inhibited.
1853 (unless gnus-inhibit-hiding
1854 (let ((inhibit-read-only t)
1855 (case-fold-search t)
1856 (max (1+ (length gnus-sorted-header-list)))
1857 (inhibit-point-motion-hooks t)
1858 (cur (current-buffer))
1859 ignored visible beg)
1861 ;; `gnus-ignored-headers' and `gnus-visible-headers' may be
1862 ;; group parameters, so we should go to the summary buffer.
1865 (progn (set-buffer gnus-summary-buffer) t)
1867 (setq ignored (when (not gnus-visible-headers)
1868 (cond ((stringp gnus-ignored-headers)
1869 gnus-ignored-headers)
1870 ((listp gnus-ignored-headers)
1871 (mapconcat 'identity
1872 gnus-ignored-headers
1874 visible (cond ((stringp gnus-visible-headers)
1875 gnus-visible-headers)
1876 ((and gnus-visible-headers
1877 (listp gnus-visible-headers))
1878 (mapconcat 'identity
1879 gnus-visible-headers
1883 ;; First we narrow to just the headers.
1884 (article-narrow-to-head)
1885 ;; Hide any "From " lines at the beginning of (mail) articles.
1886 (while (looking-at "From ")
1889 (delete-region (point-min) (point)))
1890 ;; Then treat the rest of the header lines.
1891 ;; Then we use the two regular expressions
1892 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1893 ;; select which header lines is to remain visible in the
1895 (while (re-search-forward "^[^ \t:]*:" nil t)
1897 ;; Mark the rank of the header.
1899 (point) (1+ (point)) 'message-rank
1900 (if (or (and visible (looking-at visible))
1902 (not (looking-at ignored))))
1903 (gnus-article-header-rank)
1906 (message-sort-headers-1)
1907 (when (setq beg (text-property-any
1908 (point-min) (point-max) 'message-rank (+ 2 max)))
1909 ;; We delete the unwanted headers.
1910 (gnus-add-wash-type 'headers)
1911 (add-text-properties (point-min) (+ 5 (point-min))
1912 '(article-type headers dummy-invisible t))
1913 (delete-region beg (point-max))))))))
1915 (defun article-hide-boring-headers (&optional arg)
1916 "Toggle hiding of headers that aren't very interesting.
1917 If given a negative prefix, always show; if given a positive prefix,
1919 (interactive (gnus-article-hidden-arg))
1920 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1921 (not gnus-show-all-headers))
1924 (let ((inhibit-read-only t)
1925 (inhibit-point-motion-hooks t))
1926 (article-narrow-to-head)
1927 (dolist (elem gnus-boring-article-headers)
1928 (goto-char (point-min))
1930 ;; Hide empty headers.
1932 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1934 (gnus-article-hide-text-type
1938 (if (re-search-forward "^[^ \t]" nil t)
1942 ;; Hide boring Newsgroups header.
1943 ((eq elem 'newsgroups)
1944 (when (gnus-string-equal
1945 (gnus-fetch-field "newsgroups")
1946 (gnus-group-real-name
1947 (if (boundp 'gnus-newsgroup-name)
1950 (gnus-article-hide-header "newsgroups")))
1951 ((eq elem 'to-address)
1952 (let ((to (message-fetch-field "to"))
1954 (gnus-parameter-to-address
1955 (if (boundp 'gnus-newsgroup-name)
1956 gnus-newsgroup-name ""))))
1957 (when (and to to-address
1960 ;; only one address in To
1961 (nth 1 (mail-extract-address-components to))
1963 (gnus-article-hide-header "to"))))
1965 (let ((to (message-fetch-field "to"))
1967 (gnus-parameter-to-list
1968 (if (boundp 'gnus-newsgroup-name)
1969 gnus-newsgroup-name ""))))
1970 (when (and to to-list
1973 ;; only one address in To
1974 (nth 1 (mail-extract-address-components to))
1976 (gnus-article-hide-header "to"))))
1978 (let ((cc (message-fetch-field "cc"))
1980 (gnus-parameter-to-list
1981 (if (boundp 'gnus-newsgroup-name)
1982 gnus-newsgroup-name ""))))
1983 (when (and cc to-list
1986 ;; only one address in CC
1987 (nth 1 (mail-extract-address-components cc))
1989 (gnus-article-hide-header "cc"))))
1990 ((eq elem 'followup-to)
1991 (when (gnus-string-equal
1992 (message-fetch-field "followup-to")
1993 (message-fetch-field "newsgroups"))
1994 (gnus-article-hide-header "followup-to")))
1995 ((eq elem 'reply-to)
1996 (if (gnus-group-find-parameter
1997 gnus-newsgroup-name 'broken-reply-to)
1998 (gnus-article-hide-header "reply-to")
1999 (let ((from (message-fetch-field "from"))
2000 (reply-to (message-fetch-field "reply-to")))
2007 (lambda (x) (downcase (cadr x)))
2008 (mail-extract-address-components from t))
2011 (lambda (x) (downcase (cadr x)))
2012 (mail-extract-address-components reply-to t))
2014 (gnus-article-hide-header "reply-to")))))
2016 (let ((date (with-current-buffer gnus-original-article-buffer
2017 ;; If date in `gnus-article-buffer' is localized
2018 ;; (`gnus-treat-date-user-defined'),
2019 ;; `days-between' might fail.
2020 (message-fetch-field "date"))))
2022 (< (days-between (current-time-string) date)
2024 (gnus-article-hide-header "date"))))
2026 (let ((to (message-fetch-field "to"))
2027 (cc (message-fetch-field "cc")))
2028 (when (> (length to) 1024)
2029 (gnus-article-hide-header "to"))
2030 (when (> (length cc) 1024)
2031 (gnus-article-hide-header "cc"))))
2035 (goto-char (point-min))
2036 (while (re-search-forward "^to:" nil t)
2037 (setq to-count (1+ to-count)))
2038 (when (> to-count 1)
2039 (while (> to-count 0)
2040 (goto-char (point-min))
2042 (re-search-forward "^to:" nil nil to-count)
2044 (narrow-to-region (point) (point-max))
2045 (gnus-article-hide-header "to"))
2046 (setq to-count (1- to-count))))
2047 (goto-char (point-min))
2048 (while (re-search-forward "^cc:" nil t)
2049 (setq cc-count (1+ cc-count)))
2050 (when (> cc-count 1)
2051 (while (> cc-count 0)
2052 (goto-char (point-min))
2054 (re-search-forward "^cc:" nil nil cc-count)
2056 (narrow-to-region (point) (point-max))
2057 (gnus-article-hide-header "cc"))
2058 (setq cc-count (1- cc-count)))))))))))))
2060 (defun gnus-article-hide-header (header)
2062 (goto-char (point-min))
2063 (when (re-search-forward (concat "^" header ":") nil t)
2064 (gnus-article-hide-text-type
2068 (if (re-search-forward "^[^ \t]" nil t)
2073 (defvar gnus-article-normalized-header-length 40
2074 "Length of normalized headers.")
2076 (defun article-normalize-headers ()
2077 "Make all header lines 40 characters long."
2079 (let ((inhibit-read-only t)
2083 (article-narrow-to-head)
2086 ((< (setq column (- (point-at-eol) (point)))
2087 gnus-article-normalized-header-length)
2089 (insert (make-string
2090 (- gnus-article-normalized-header-length column)
2092 ((> column gnus-article-normalized-header-length)
2093 (gnus-put-text-property
2095 (forward-char gnus-article-normalized-header-length)
2102 (forward-line 1))))))
2104 (defun article-treat-dumbquotes ()
2105 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
2106 Note that this function guesses whether a character is a sm*rtq**t* or
2107 not, so it should only be used interactively.
2109 Sm*rtq**t*s are M****s***'s unilateral extension to the
2110 iso-8859-1 character map in an attempt to provide more quoting
2111 characters. If you see something like \\222 or \\264 where
2112 you're expecting some kind of apostrophe or quotation mark, then
2115 (article-translate-strings gnus-article-dumbquotes-map))
2117 (defvar org-entities)
2119 (defun article-treat-non-ascii ()
2120 "Translate many Unicode characters into their ASCII equivalents."
2122 (require 'org-entities)
2123 (let ((table (make-char-table nil)))
2124 (dolist (elem org-entities)
2125 (when (and (listp elem)
2126 (= (length (nth 6 elem)) 1))
2127 (if (featurep 'xemacs)
2128 (put-char-table (aref (nth 6 elem) 0) (nth 4 elem) table)
2129 (set-char-table-range table (aref (nth 6 elem) 0) (nth 4 elem)))))
2131 (when (article-goto-body)
2132 (let ((inhibit-read-only t)
2135 (if (not (setq replace (aref table (following-char))))
2138 (insert replace))))))))
2140 (defun article-translate-characters (from to)
2141 "Translate all characters in the body of the article according to FROM and TO.
2142 FROM is a string of characters to translate from; to is a string of
2143 characters to translate to."
2145 (when (article-goto-body)
2146 (let ((inhibit-read-only t)
2147 (x (make-string 225 ?x))
2149 (while (< (incf i) (length x))
2152 (while (< i (length from))
2153 (aset x (aref from i) (aref to i))
2155 (translate-region (point) (point-max) x)))))
2157 (defun article-translate-strings (map)
2158 "Translate all string in the body of the article according to MAP.
2159 MAP is an alist where the elements are on the form (\"from\" \"to\")."
2161 (when (article-goto-body)
2162 (let ((inhibit-read-only t))
2164 (let ((from (car elem))
2168 (while (search-forward from nil t)
2171 (if (eq (following-char) from)
2175 (forward-char 1)))))))))))
2177 (defun article-treat-overstrike ()
2178 "Translate overstrikes into bold text."
2181 (when (article-goto-body)
2182 (let ((inhibit-read-only t))
2183 (while (search-forward "\b" nil t)
2184 (let ((next (char-after))
2185 (previous (char-after (- (point) 2))))
2186 ;; We do the boldification/underlining by hiding the
2187 ;; overstrikes and putting the proper text property
2191 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2192 (put-text-property (point) (1+ (point)) 'face 'bold))
2194 (gnus-article-hide-text-type
2195 (1- (point)) (1+ (point)) 'overstrike)
2197 (- (point) 2) (1- (point)) 'face 'underline))
2199 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2201 (point) (1+ (point)) 'face 'underline)))))))))
2203 (defun article-treat-ansi-sequences ()
2204 "Translate ANSI SGR control sequences into overlays or extents."
2207 (when (article-goto-body)
2208 (let ((inhibit-read-only t))
2209 (ansi-color-apply-on-region (point) (point-max))))))
2211 (defun gnus-article-treat-unfold-headers ()
2212 "Unfold folded message headers.
2213 Only the headers that fit into the current window width will be
2216 (gnus-with-article-headers
2220 (mail-header-narrow-to-field)
2221 (let* ((header (buffer-string))
2223 (or (equal gnus-article-unfold-long-headers t)
2224 (and (stringp gnus-article-unfold-long-headers)
2225 (string-match gnus-article-unfold-long-headers header)))))
2228 (goto-char (point-min))
2229 (while (re-search-forward "\n[\t ]" nil t)
2230 (replace-match " " t t)))
2231 (setq length (- (point-max) (point-min) 1))
2232 (when (or unfoldable
2233 (< length (window-width)))
2234 (while (re-search-forward "\n[\t ]" nil t)
2235 (replace-match " " t t))))
2236 (goto-char (point-max)))))))
2238 (defun gnus-article-treat-fold-headers ()
2239 "Fold message headers."
2241 (gnus-with-article-headers
2244 (mail-header-narrow-to-field)
2245 (mail-header-fold-field)
2246 (goto-char (point-max))))))
2248 (defun gnus-treat-smiley ()
2249 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
2251 (gnus-with-article-buffer
2252 (if (memq 'smiley gnus-article-wash-types)
2253 (gnus-delete-images 'smiley)
2255 (let ((images (smiley-region (point) (point-max))))
2257 (gnus-add-wash-type 'smiley)
2258 (dolist (image images)
2259 (gnus-add-image 'smiley image)))))))
2261 (defun gnus-article-remove-images ()
2262 "Remove all images from the article buffer."
2264 (gnus-with-article-buffer
2265 (dolist (elem gnus-article-image-alist)
2266 (gnus-delete-images (car elem)))))
2268 (defun gnus-article-treat-fold-newsgroups ()
2269 "Unfold folded message headers.
2270 Only the headers that fit into the current window width will be
2273 (gnus-with-article-headers
2274 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2276 (mail-header-narrow-to-field)
2277 (while (re-search-forward ", *" nil t)
2278 (replace-match ", " t t))
2279 (mail-header-fold-field)
2280 (goto-char (point-max))))))
2282 (defcustom gnus-article-truncate-lines (default-value 'truncate-lines)
2283 "Value of `truncate-lines' in Gnus Article buffer.
2284 Valid values are nil, t, `head', `first', `last', an integer or a
2285 predicate. See Info node `(gnus)Customizing Articles'."
2286 :version "23.1" ;; No Gnus
2287 :group 'gnus-article
2288 ;; :link '(custom-manual "(gnus)Customizing Articles")
2291 (defun gnus-article-toggle-truncate-lines (&optional arg)
2292 "Toggle whether to fold or truncate long lines in article the buffer.
2293 If ARG is non-nil and not a number, toggle
2294 `gnus-article-truncate-lines' too. If ARG is a number, truncate
2295 long lines if and only if arg is positive."
2298 ((and (numberp arg) (> arg 0))
2299 (setq gnus-article-truncate-lines t))
2301 (setq gnus-article-truncate-lines nil))
2303 (setq gnus-article-truncate-lines
2304 (not gnus-article-truncate-lines))))
2305 (gnus-with-article-buffer
2307 ((and (numberp arg) (> arg 0))
2308 (setq truncate-lines nil))
2310 (setq truncate-lines t)))
2311 ;; In versions of Emacs 22 (CVS) before 2006-05-26,
2312 ;; `toggle-truncate-lines' needs an argument.
2313 (toggle-truncate-lines)))
2315 (defun gnus-article-treat-body-boundary ()
2316 "Place a boundary line at the end of the headers."
2318 (when (and gnus-body-boundary-delimiter
2319 (> (length gnus-body-boundary-delimiter) 0))
2320 (gnus-with-article-headers
2321 (goto-char (point-max))
2322 (let ((start (point)))
2323 (insert "X-Boundary: ")
2324 (gnus-add-text-properties start (point) '(invisible t intangible t))
2326 (while (>= (window-width) (length str))
2327 (setq str (concat str gnus-body-boundary-delimiter)))
2328 (substring str 0 (window-width)))
2330 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
2332 (defun article-fill-long-lines ()
2333 "Fill lines that are wider than the window width."
2336 (let ((inhibit-read-only t)
2337 (width (window-width (get-buffer-window (current-buffer)))))
2340 (let ((adaptive-fill-mode nil)) ;Why? -sm
2343 (when (>= (current-column) (min fill-column width))
2344 (narrow-to-region (min (1+ (point)) (point-max))
2346 (let ((goback (point-marker)))
2347 (fill-paragraph nil)
2348 (goto-char (marker-position goback)))
2350 (forward-line 1)))))))
2352 (defun article-capitalize-sentences ()
2353 "Capitalize the first word in each sentence."
2356 (let ((inhibit-read-only t)
2357 (paragraph-start "^[\n\^L]"))
2361 (forward-sentence)))))
2363 (defun article-remove-cr ()
2364 "Remove trailing CRs and then translate remaining CRs into LFs."
2367 (let ((inhibit-read-only t))
2368 (goto-char (point-min))
2369 (while (re-search-forward "\r+$" nil t)
2370 (replace-match "" t t))
2371 (goto-char (point-min))
2372 (while (search-forward "\r" nil t)
2373 (replace-match "\n" t t)))))
2375 (defun article-remove-trailing-blank-lines ()
2376 "Remove all trailing blank lines from the article."
2379 (let ((inhibit-read-only t))
2380 (goto-char (point-max))
2384 (while (and (not (bobp))
2385 (looking-at "^[ \t]*$")
2386 (not (gnus-annotation-in-region-p
2387 (point) (point-at-eol))))
2392 (defvar gnus-face-properties-alist)
2394 (defun article-display-face (&optional force)
2395 "Display any Face headers in the header."
2396 (interactive (list 'force))
2397 (let ((wash-face-p buffer-read-only))
2398 (gnus-with-article-headers
2399 ;; When displaying parts, this function can be called several times on
2400 ;; the same article, without any intended toggle semantic (as typing `W
2401 ;; D d' would have). So face deletion must occur only when we come from
2402 ;; an interactive command, that is when the *Article* buffer is
2404 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2405 (gnus-delete-images 'face)
2406 (let ((from (message-fetch-field "from"))
2408 (save-current-buffer
2409 (when (and wash-face-p
2410 (gnus-buffer-live-p gnus-original-article-buffer)
2411 (not (re-search-forward "^Face:[\t ]*" nil t)))
2412 (set-buffer gnus-original-article-buffer))
2414 (mail-narrow-to-head)
2416 ;; Check whether this face is censored.
2417 (not (and gnus-article-x-face-too-ugly
2419 (setq from (message-fetch-field "from")))
2420 (string-match gnus-article-x-face-too-ugly
2422 (while (gnus-article-goto-header "Face")
2423 (push (mail-header-field-value) faces)))))
2425 (goto-char (point-min))
2427 (unless (setq from (gnus-article-goto-header "from"))
2430 (insert " [no `from' set]\n"))
2432 (when (setq png (gnus-convert-face-to-png (pop faces)))
2434 (apply 'gnus-create-image png 'png t
2435 (cdr (assq 'png gnus-face-properties-alist))))
2437 (gnus-add-wash-type 'face)
2438 (gnus-add-image 'face image)
2439 (gnus-put-image image nil 'face))))))))))
2441 (defun article-display-x-face (&optional force)
2442 "Look for an X-Face header and display it if present."
2443 (interactive (list 'force))
2444 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2445 (gnus-with-article-headers
2446 ;; Delete the old process, if any.
2447 (when (process-status "article-x-face")
2448 (delete-process "article-x-face"))
2449 ;; See the comment in `article-display-face'.
2450 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2451 ;; We have already displayed X-Faces, so we remove them
2453 (gnus-delete-images 'xface)
2455 (let ((from (message-fetch-field "from"))
2457 (save-current-buffer
2458 (when (and wash-face-p
2459 (gnus-buffer-live-p gnus-original-article-buffer)
2460 (not (re-search-forward "^X-Face:[\t ]*" nil t)))
2461 ;; If type `W f', use gnus-original-article-buffer,
2462 ;; otherwise use the current buffer because displaying
2463 ;; RFC822 parts calls this function too.
2464 (set-buffer gnus-original-article-buffer))
2466 (mail-narrow-to-head)
2467 (and gnus-article-x-face-command
2469 ;; Check whether this face is censored.
2470 (not (and gnus-article-x-face-too-ugly
2472 (setq from (message-fetch-field "from")))
2473 (string-match gnus-article-x-face-too-ugly
2475 (while (gnus-article-goto-header "X-Face")
2476 (push (mail-header-field-value) x-faces)))))
2478 ;; We display the face.
2479 (cond ((functionp gnus-article-x-face-command)
2480 ;; The command is a lisp function, so we call it.
2481 (mapc gnus-article-x-face-command x-faces))
2482 ((stringp gnus-article-x-face-command)
2483 ;; The command is a string, so we interpret the command
2484 ;; as a, well, command, and fork it off.
2485 (let ((process-connection-type nil))
2486 (gnus-set-process-query-on-exit-flag
2488 "article-x-face" nil shell-file-name
2489 shell-command-switch gnus-article-x-face-command)
2491 ;; Sending multiple EOFs to xv doesn't work,
2492 ;; so we only do a single external face.
2494 (insert (car x-faces))
2495 (process-send-region "article-x-face"
2496 (point-min) (point-max)))
2497 (process-send-eof "article-x-face")))
2499 (error "`%s' set to `%s' is not a function"
2500 gnus-article-x-face-command
2501 'gnus-article-x-face-command)))))))))
2503 (defun article-decode-mime-words ()
2504 "Decode all MIME-encoded words in the article."
2506 (gnus-with-article-buffer
2507 (let ((inhibit-point-motion-hooks t)
2508 (mail-parse-charset gnus-newsgroup-charset)
2509 (mail-parse-ignored-charsets
2510 (with-current-buffer gnus-summary-buffer
2511 gnus-newsgroup-ignored-charsets)))
2512 (mail-decode-encoded-word-region (point-min) (point-max)))))
2514 (defun article-decode-charset (&optional prompt)
2515 "Decode charset-encoded text in the article.
2516 If PROMPT (the prefix), prompt for a coding system to use."
2518 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2519 (inhibit-read-only t)
2520 (mail-parse-charset gnus-newsgroup-charset)
2521 (mail-parse-ignored-charsets
2522 (save-excursion (condition-case nil
2523 (set-buffer gnus-summary-buffer)
2525 gnus-newsgroup-ignored-charsets))
2526 ct cte ctl charset format)
2529 (article-narrow-to-head)
2530 (setq ct (message-fetch-field "Content-Type" t)
2531 cte (message-fetch-field "Content-Transfer-Encoding" t)
2532 ctl (and ct (mail-header-parse-content-type ct))
2535 (mm-read-coding-system "Charset to decode: "))
2537 (mail-content-type-get ctl 'charset)))
2538 format (and ctl (mail-content-type-get ctl 'format)))
2540 (setq cte (mail-header-strip cte)))
2541 (if (and ctl (not (string-match "/" (car ctl))))
2543 (goto-char (point-max)))
2546 (narrow-to-region (point) (point-max))
2547 (when (and (eq mail-parse-charset 'gnus-decoded)
2548 (eq (mm-body-7-or-8) '8bit))
2549 ;; The text code could have been decoded.
2550 (setq charset mail-parse-charset))
2551 (when (and (or (not ctl)
2552 (equal (car ctl) "text/plain"))
2553 (not format)) ;; article with format will decode later.
2555 charset (and cte (intern (downcase
2556 (gnus-strip-whitespace cte))))
2559 (defun article-decode-encoded-words ()
2560 "Remove encoded-word encoding from headers."
2561 (let ((inhibit-point-motion-hooks t)
2562 (mail-parse-charset gnus-newsgroup-charset)
2563 (mail-parse-ignored-charsets
2564 (save-excursion (condition-case nil
2565 (set-buffer gnus-summary-buffer)
2567 gnus-newsgroup-ignored-charsets))
2568 (inhibit-read-only t)
2570 (goto-char (point-min))
2571 (when (search-forward "\n\n" nil 'move)
2578 (memq (char-after) '(?\t ? )))))
2579 (setq start (point))
2581 \\(?:Resent-\\)?\\(?:From\\|Cc\\|To\\|Bcc\\|\\(?:In-\\)?Reply-To\\|Sender\
2582 \\|Mail-Followup-To\\|Mail-Copies-To\\|Approved\\):")
2583 (funcall gnus-decode-address-function start end)
2584 (funcall gnus-decode-header-function start end))
2585 (goto-char (setq end start)))))
2587 (defun article-decode-group-name ()
2588 "Decode group names in Newsgroups, Followup-To and Xref headers."
2589 (let ((inhibit-point-motion-hooks t)
2590 (inhibit-read-only t)
2591 (method (gnus-find-method-for-group gnus-newsgroup-name))
2593 (when (and (or gnus-group-name-charset-method-alist
2594 gnus-group-name-charset-group-alist)
2595 (gnus-buffer-live-p gnus-original-article-buffer))
2597 (article-narrow-to-head)
2598 (dolist (header '("Newsgroups" "Followup-To" "Xref"))
2599 (with-current-buffer gnus-original-article-buffer
2600 (goto-char (point-min)))
2601 (setq regexp (concat "^" header
2602 ":\\([^\n]*\\(?:\n[\t ]+[^\n]+\\)*\\)\n"))
2603 (while (re-search-forward regexp nil t)
2604 (replace-match (save-match-data
2605 (gnus-decode-newsgroups
2606 ;; XXX how to use data in article buffer?
2607 (with-current-buffer gnus-original-article-buffer
2608 (re-search-forward regexp nil t)
2610 gnus-newsgroup-name method))
2612 (goto-char (point-min)))))))
2614 (autoload 'idna-to-unicode "idna")
2616 (defun article-decode-idna-rhs ()
2617 "Decode IDNA strings in RHS in various headers in current buffer.
2618 The following headers are decoded: From:, To:, Cc:, Reply-To:,
2619 Mail-Reply-To: and Mail-Followup-To:."
2622 (let ((inhibit-point-motion-hooks t)
2623 (inhibit-read-only t))
2624 (article-narrow-to-head)
2625 (goto-char (point-min))
2626 (while (re-search-forward "@[^ \t\n\r,>]*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2628 (when (save-match-data
2629 (and (setq ace (match-string 1))
2631 (and (re-search-backward "^[^ \t]" nil t)
2632 (looking-at "From\\|To\\|Cc\\|Reply-To\\|Mail-Reply-To\\|Mail-Followup-To")))
2633 (setq unicode (idna-to-unicode ace))))
2634 (unless (string= ace unicode)
2635 (replace-match unicode nil nil nil 1)))))))))
2637 (defun article-de-quoted-unreadable (&optional force read-charset)
2638 "Translate a quoted-printable-encoded article.
2639 If FORCE, decode the article whether it is marked as quoted-printable
2641 If READ-CHARSET, ask for a coding system."
2642 (interactive (list 'force current-prefix-arg))
2644 (let ((inhibit-read-only t) type charset)
2645 (if (gnus-buffer-live-p gnus-original-article-buffer)
2646 (with-current-buffer gnus-original-article-buffer
2648 (gnus-fetch-field "content-transfer-encoding"))
2649 (let* ((ct (gnus-fetch-field "content-type"))
2650 (ctl (and ct (mail-header-parse-content-type ct))))
2651 (setq charset (and ctl
2652 (mail-content-type-get ctl 'charset)))
2653 (if (stringp charset)
2654 (setq charset (intern (downcase charset)))))))
2656 (setq charset (mm-read-coding-system "Charset: " charset)))
2658 (setq charset gnus-newsgroup-charset))
2660 (and type (let ((case-fold-search t))
2661 (string-match "quoted-printable" type))))
2663 (quoted-printable-decode-region
2664 (point) (point-max) (mm-charset-to-coding-system charset))))))
2666 (defun article-de-base64-unreadable (&optional force read-charset)
2667 "Translate a base64 article.
2668 If FORCE, decode the article whether it is marked as base64 not.
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 "base64" type))))
2692 (narrow-to-region (point) (point-max))
2693 (base64-decode-region (point-min) (point-max))
2694 (mm-decode-coding-region
2695 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2700 (defun article-decode-HZ ()
2701 "Translate a HZ-encoded article."
2705 (let ((inhibit-read-only t))
2706 (rfc1843-decode-region (point-min) (point-max)))))
2708 (defun article-unsplit-urls ()
2709 "Remove the newlines that some other mailers insert into URLs."
2712 (let ((inhibit-read-only t))
2713 (goto-char (point-min))
2714 (while (re-search-forward
2715 "\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2716 (replace-match "\\1\\3" t)))
2717 (when (interactive-p)
2718 (gnus-treat-article nil))))
2720 (defun article-wash-html ()
2721 "Format an HTML article."
2724 (buffer-read-only nil))
2725 (when (gnus-buffer-live-p gnus-original-article-buffer)
2726 (setq handles (mm-dissect-buffer t t)))
2728 (delete-region (point) (point-max))
2729 (mm-inline-text-html handles)))
2731 (defvar gnus-article-browse-html-temp-list nil
2732 "List of temporary files created by `gnus-article-browse-html-parts'.
2733 Internal variable.")
2735 (defcustom gnus-article-browse-delete-temp 'ask
2736 "What to do with temporary files from `gnus-article-browse-html-parts'.
2737 If nil, don't delete temporary files. If it is t, delete them on
2738 exit from the summary buffer. If it is the symbol `file', query
2739 on each file, if it is `ask' ask once when exiting from the
2741 :group 'gnus-article
2742 :version "23.1" ;; No Gnus
2743 :type '(choice (const :tag "Don't delete" nil)
2744 (const :tag "Don't ask" t)
2745 (const :tag "Ask" ask)
2746 (const :tag "Ask for each file" file)))
2748 ;; Cf. mm-postponed-undisplay-list / mm-destroy-postponed-undisplay-list.
2750 (defun gnus-article-browse-delete-temp-files (&optional how)
2751 "Delete temp-files created by `gnus-article-browse-html-parts'."
2752 (when (and gnus-article-browse-html-temp-list
2754 (or how (setq how gnus-article-browse-delete-temp))
2756 (let ((files (length gnus-article-browse-html-temp-list)))
2757 (gnus-y-or-n-p (format
2758 "Delete all %s temporary HTML file%s? "
2760 (if (> files 1) "s" ""))))
2762 (dolist (file gnus-article-browse-html-temp-list)
2763 (cond ((file-directory-p file)
2764 (when (or (not (eq how 'file))
2767 "Delete temporary HTML file(s) in directory `%s'? "
2768 (file-name-as-directory file))))
2769 (gnus-delete-directory file)))
2770 ((file-exists-p file)
2771 (when (or (not (eq how 'file))
2773 (format "Delete temporary HTML file `%s'? " file)))
2774 (delete-file file)))))
2775 ;; Also remove file from the list when not deleted or if file doesn't
2777 (setq gnus-article-browse-html-temp-list nil))
2778 gnus-article-browse-html-temp-list)
2780 (defun gnus-article-browse-html-save-cid-content (cid handles directory)
2781 "Find CID content in HANDLES and save it in a file in DIRECTORY.
2786 (dolist (handle handles)
2788 ((not (listp handle)))
2789 ((equal (mm-handle-media-supertype handle) "multipart")
2790 (when (setq file (gnus-article-browse-html-save-cid-content
2791 cid handle directory))
2792 (throw 'found file)))
2793 ((equal (concat "<" cid ">") (mm-handle-id handle))
2796 (or (mail-content-type-get
2797 (mm-handle-disposition handle) 'filename)
2798 (mail-content-type-get
2799 (setq type (mm-handle-type handle)) 'name)
2801 (make-temp-name "cid")
2802 (car (rassoc (car type) mailcap-mime-extensions))))
2804 (mm-save-part-to-file handle file)
2805 (throw 'found file))))))))
2807 (defun gnus-article-browse-html-parts (list &optional header)
2808 "View all \"text/html\" parts from LIST.
2809 Recurse into multiparts. The optional HEADER that should be a decoded
2810 message header will be added to the bodies of the \"text/html\" parts."
2811 ;; Internal function used by `gnus-article-browse-html-article'.
2812 (let (type file charset content cid-dir tmp-file showed)
2813 ;; Find and show the html-parts.
2814 (dolist (handle list)
2815 ;; If HTML, show it:
2816 (cond ((not (listp handle)))
2817 ((or (equal (car (setq type (mm-handle-type handle))) "text/html")
2818 (and (equal (car type) "message/external-body")
2820 (setq file (or (mail-content-type-get type 'name)
2821 (mail-content-type-get
2822 (mm-handle-disposition handle)
2824 (or (mm-handle-cache handle)
2825 (condition-case code
2826 (progn (mm-extern-cache-contents handle) t)
2828 (gnus-message 3 "%s" (error-message-string code))
2829 (when (>= gnus-verbose 3) (sit-for 2))
2832 (setq handle (mm-handle-cache handle)
2833 type (mm-handle-type handle))
2834 (equal (car type) "text/html"))))
2835 (setq charset (mail-content-type-get type 'charset)
2836 content (mm-get-part handle))
2838 (if (eq charset 'gnus-decoded)
2839 (mm-enable-multibyte)
2840 (mm-disable-multibyte))
2842 ;; resolve cid contents
2843 (let ((case-fold-search t)
2845 (goto-char (point-min))
2846 (while (re-search-forward "\
2847 <img[\t\n ]+\\(?:[^\t\n >]+[\t\n ]+\\)*src=\"\\(cid:\\([^\"]+\\)\\)\""
2850 (setq cid-dir (mm-make-temp-file "cid" t))
2851 (add-to-list 'gnus-article-browse-html-temp-list cid-dir))
2854 (when (setq cid-file
2855 (gnus-article-browse-html-save-cid-content
2857 (with-current-buffer gnus-article-buffer
2858 gnus-article-mime-handles)
2860 (replace-match (concat "file://" cid-file)
2862 (unless content (setq content (buffer-string))))
2863 (when (or charset header (not file))
2864 (setq tmp-file (mm-make-temp-file
2865 ;; Do we need to care for 8.3 filenames?
2866 "mm-" nil ".html")))
2867 ;; Add a meta html tag to specify charset and a header.
2870 (let (title eheader body hcharset coding force-charset)
2872 (mm-enable-multibyte)
2873 (setq case-fold-search t)
2874 (insert header "\n")
2875 (setq title (message-fetch-field "subject"))
2876 (goto-char (point-min))
2877 (while (re-search-forward "\\(<\\)\\|\\(>\\)\\|&" nil t)
2878 (replace-match (cond ((match-beginning 1) "<")
2879 ((match-beginning 2) ">")
2881 (goto-char (point-min))
2883 (goto-char (point-max))
2884 (insert "</pre>\n<hr>\n")
2885 ;; We have to examine charset one by one since
2886 ;; charset specified in parts might be different.
2887 (if (eq charset 'gnus-decoded)
2888 (setq charset 'utf-8
2889 eheader (mm-encode-coding-string (buffer-string)
2892 (mm-encode-coding-string title charset))
2893 body (mm-encode-coding-string content charset)
2895 (setq hcharset (mm-find-mime-charset-region (point-min)
2897 (cond ((= (length hcharset) 1)
2898 (setq hcharset (car hcharset)
2899 coding (mm-charset-to-coding-system
2901 ((> (length hcharset) 1)
2902 (setq hcharset 'utf-8
2908 (mm-charset-to-coding-system charset))
2909 (if (eq coding body)
2910 (setq eheader (mm-encode-coding-string
2911 (buffer-string) coding)
2913 (mm-encode-coding-string
2916 (setq charset 'utf-8
2917 eheader (mm-encode-coding-string
2918 (buffer-string) charset)
2920 (mm-encode-coding-string
2922 body (mm-encode-coding-string
2923 (mm-decode-coding-string
2927 (setq charset hcharset
2928 eheader (mm-encode-coding-string
2929 (buffer-string) coding)
2931 (mm-encode-coding-string
2934 (setq eheader (mm-string-as-unibyte (buffer-string))
2937 (mm-disable-multibyte)
2940 (mm-add-meta-html-tag handle charset force-charset))
2942 (goto-char (point-min))
2943 (unless (search-forward "<title>" nil t)
2944 (re-search-forward "<head>\\s-*" nil t)
2945 (insert "<title>" title "</title>\n")))
2946 (goto-char (point-min))
2947 (or (re-search-forward
2948 "<body\\(?:\\s-+[^>]+\\|\\s-*\\)>\\s-*" nil t)
2950 "</head\\(?:\\s-+[^>]+\\|\\s-*\\)>\\s-*" nil t))
2952 (mm-write-region (point-min) (point-max)
2953 tmp-file nil nil nil 'binary t))))
2955 (mm-with-unibyte-buffer
2956 (insert (if (eq charset 'gnus-decoded)
2957 (mm-encode-coding-string content
2958 (setq charset 'utf-8))
2960 (if (or (mm-add-meta-html-tag handle charset)
2962 (mm-write-region (point-min) (point-max)
2963 tmp-file nil nil nil 'binary t)
2964 (setq tmp-file nil))))
2966 (mm-save-part-to-file handle tmp-file)))
2968 (add-to-list 'gnus-article-browse-html-temp-list tmp-file))
2969 (add-hook 'gnus-summary-prepare-exit-hook
2970 'gnus-article-browse-delete-temp-files)
2971 (add-hook 'gnus-exit-gnus-hook
2973 (gnus-article-browse-delete-temp-files t)))
2974 ;; FIXME: Warn if there's an <img> tag?
2975 (browse-url-of-file (or tmp-file (expand-file-name file)))
2977 ;; If multipart, recurse
2978 ((equal (mm-handle-media-supertype handle) "multipart")
2979 (when (gnus-article-browse-html-parts handle header)
2981 ((equal (mm-handle-media-type handle) "message/rfc822")
2982 (mm-with-multibyte-buffer
2983 (mm-insert-part handle)
2984 (setq handle (mm-dissect-buffer t t))
2985 (when (and (bufferp (car handle))
2986 (stringp (car (mm-handle-type handle))))
2987 (setq handle (list handle)))
2989 (article-decode-encoded-words)
2990 (let ((gnus-visible-headers
2991 (or (get 'gnus-visible-headers 'standard-value)
2992 gnus-visible-headers)))
2993 (article-hide-headers))
2994 (goto-char (point-min))
2995 (search-forward "\n\n" nil 'move)
2996 (skip-chars-backward "\t\n ")
2997 (setq header (buffer-substring (point-min) (point)))))
2999 (gnus-article-browse-html-parts handle header)
3000 (mm-destroy-parts handle))
3004 (defun gnus-article-browse-html-article (&optional arg)
3005 "View \"text/html\" parts of the current article with a WWW browser.
3006 Inline images embedded in a message using the cid scheme, as they are
3007 generally considered to be safe, will be processed properly.
3008 The message header is added to the beginning of every html part unless
3009 the prefix argument ARG is given.
3011 Warning: Spammers use links to images (using the http scheme) in HTML
3012 articles to verify whether you have read the message. As
3013 `gnus-article-browse-html-article' passes the HTML content to the
3014 browser without eliminating these \"web bugs\" you should only
3015 use it for mails from trusted senders.
3017 If you always want to display HTML parts in the browser, set
3018 `mm-text-html-renderer' to nil.
3020 This command creates temporary files to pass HTML contents including
3021 images if any to the browser, and deletes them when exiting the group
3023 ;; Cf. `mm-w3m-safe-url-regexp'
3026 (gnus-summary-show-article)
3027 (let ((gnus-visible-headers (or (get 'gnus-visible-headers 'standard-value)
3028 gnus-visible-headers))
3029 ;; As we insert a <hr>, there's no need for the body boundary.
3030 (gnus-treat-body-boundary nil))
3031 (gnus-summary-show-article)))
3032 (with-current-buffer gnus-article-buffer
3033 (let ((header (unless arg
3036 (buffer-substring-no-properties
3037 (goto-char (point-min))
3038 (if (search-forward "\n\n" nil t)
3040 (goto-char (point-max))
3041 (skip-chars-backward "\t\n ")
3044 (set-buffer gnus-original-article-buffer)
3045 (setq parts (mm-dissect-buffer t t))
3046 ;; If singlepart, enforce a list.
3047 (when (and (bufferp (car parts))
3048 (stringp (car (mm-handle-type parts))))
3049 (setq parts (list parts)))
3051 (unless (gnus-article-browse-html-parts parts header)
3052 (gnus-error 3 "Mail doesn't contain a \"text/html\" part!"))
3053 (mm-destroy-parts parts)
3055 (gnus-summary-show-article)))))
3057 (defun article-hide-list-identifiers ()
3058 "Remove list identifies from the Subject header.
3059 The `gnus-list-identifiers' variable specifies what to do."
3061 (let ((inhibit-point-motion-hooks t)
3062 (regexp (if (consp gnus-list-identifiers)
3063 (mapconcat 'identity gnus-list-identifiers " *\\|")
3064 gnus-list-identifiers))
3065 (inhibit-read-only t))
3069 (article-narrow-to-head)
3070 (goto-char (point-min))
3071 (while (re-search-forward
3072 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
3074 (delete-region (match-beginning 2) (match-end 0))
3075 (beginning-of-line))
3076 (when (re-search-forward
3077 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
3078 (delete-region (match-beginning 1) (match-end 1))))))))
3080 (defun article-hide-pem (&optional arg)
3081 "Toggle hiding of any PEM headers and signatures in the current article.
3082 If given a negative prefix, always show; if given a positive prefix,
3084 (interactive (gnus-article-hidden-arg))
3085 (unless (gnus-article-check-hidden-text 'pem arg)
3087 (let ((inhibit-read-only t) end)
3088 (goto-char (point-min))
3089 ;; Hide the horrendously ugly "header".
3090 (when (and (search-forward
3091 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
3093 (setq end (1+ (match-beginning 0))))
3094 (gnus-add-wash-type 'pem)
3095 (gnus-article-hide-text-type
3097 (if (search-forward "\n\n" nil t)
3101 ;; Hide the trailer as well
3102 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
3104 (gnus-article-hide-text-type
3105 (match-beginning 0) (match-end 0) 'pem)))))))
3107 (defun article-strip-banner ()
3108 "Strip the banners specified by the `banner' group parameter and by
3109 `gnus-article-address-banner-alist'."
3113 (let ((inhibit-point-motion-hooks t))
3114 (when (gnus-parameter-banner gnus-newsgroup-name)
3115 (article-really-strip-banner
3116 (gnus-parameter-banner gnus-newsgroup-name)))
3117 (when gnus-article-address-banner-alist
3118 ;; Note that the From header is decoded here, so it is
3119 ;; required that the *-extract-address-components function
3120 ;; supports non-ASCII text.
3121 (let ((from (save-restriction
3123 (article-narrow-to-head)
3124 (mail-fetch-field "from"))))
3127 (cadr (funcall gnus-extract-address-components
3130 (dolist (pair gnus-article-address-banner-alist)
3131 (when (string-match (car pair) from)
3133 (article-really-strip-banner (cdr pair)))))))))))))
3135 (defun article-really-strip-banner (banner)
3136 "Strip the banner specified by the argument."
3139 (let ((inhibit-point-motion-hooks t)
3140 (gnus-signature-limit nil)
3141 (inhibit-read-only t))
3144 ((eq banner 'signature)
3145 (when (gnus-article-narrow-to-signature)
3148 (delete-region (point) (point-max))))
3150 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
3151 (while (re-search-forward banner nil t)
3152 (delete-region (match-beginning 0) (match-end 0)))))
3154 (while (re-search-forward banner nil t)
3155 (delete-region (match-beginning 0) (match-end 0)))))))))
3157 (defun article-babel ()
3158 "Translate article using an online translation service."
3161 (gnus-with-article-buffer
3162 (when (article-goto-body)
3163 (let* ((start (point))
3165 (orig (buffer-substring start end))
3166 (trans (babel-as-string orig)))
3168 (narrow-to-region start end)
3169 (delete-region start end)
3172 (defun article-hide-signature (&optional arg)
3173 "Hide the signature in the current article.
3174 If given a negative prefix, always show; if given a positive prefix,
3176 (interactive (gnus-article-hidden-arg))
3177 (unless (gnus-article-check-hidden-text 'signature arg)
3180 (let ((inhibit-read-only t))
3181 (when (gnus-article-narrow-to-signature)
3182 (gnus-article-hide-text-type
3183 (point-min) (point-max) 'signature))))))
3184 (gnus-set-mode-line 'article))
3186 (defun article-strip-headers-in-body ()
3187 "Strip offensive headers from bodies."
3191 (let ((case-fold-search t))
3192 (when (looking-at "x-no-archive:")
3193 (gnus-delete-line)))))
3195 (defun article-strip-leading-blank-lines ()
3196 "Remove all blank lines from the beginning of the article."
3199 (let ((inhibit-point-motion-hooks t)
3200 (inhibit-read-only t))
3201 (when (article-goto-body)
3202 (while (and (not (eobp))
3203 (looking-at "[ \t]*$"))
3204 (gnus-delete-line))))))
3206 (defun article-narrow-to-head ()
3207 "Narrow the buffer to the head of the message.
3208 Point is left at the beginning of the narrowed-to region."
3210 (goto-char (point-min))
3211 (if (search-forward "\n\n" nil 1)
3214 (goto-char (point-min)))
3216 (defun article-goto-body ()
3217 "Place point at the start of the body."
3218 (goto-char (point-min))
3220 ;; This variable is only bound when dealing with separate
3222 (article-goto-body-goes-to-point-min-p
3224 ((search-forward "\n\n" nil t)
3227 (goto-char (point-max))
3230 (defun article-strip-multiple-blank-lines ()
3231 "Replace consecutive blank lines with one empty line."
3234 (let ((inhibit-point-motion-hooks t)
3235 (inhibit-read-only t))
3236 ;; First make all blank lines empty.
3238 (while (re-search-forward "^[ \t]+$" nil t)
3239 (unless (gnus-annotation-in-region-p
3240 (match-beginning 0) (match-end 0))
3241 (replace-match "" nil t)))
3242 ;; Then replace multiple empty lines with a single empty line.
3244 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
3245 (unless (gnus-annotation-in-region-p
3246 (match-beginning 0) (match-end 0))
3247 (delete-region (match-beginning 1) (match-end 1)))))))
3249 (defun article-strip-leading-space ()
3250 "Remove all white space from the beginning of the lines in the article."
3253 (let ((inhibit-point-motion-hooks t)
3254 (inhibit-read-only t))
3256 (while (re-search-forward "^[ \t]+" nil t)
3257 (replace-match "" t t)))))
3259 (defun article-strip-trailing-space ()
3260 "Remove all white space from the end of the lines in the article."
3263 (let ((inhibit-point-motion-hooks t)
3264 (inhibit-read-only t))
3266 (while (re-search-forward "[ \t]+$" nil t)
3267 (replace-match "" t t)))))
3269 (defun article-strip-blank-lines ()
3270 "Strip leading, trailing and multiple blank lines."
3272 (article-strip-leading-blank-lines)
3273 (article-remove-trailing-blank-lines)
3274 (article-strip-multiple-blank-lines))
3276 (defun article-strip-all-blank-lines ()
3277 "Strip all blank lines."
3280 (let ((inhibit-point-motion-hooks t)
3281 (inhibit-read-only t))
3283 (while (re-search-forward "^[ \t]*\n" nil t)
3284 (replace-match "" t t)))))
3286 (defun gnus-article-narrow-to-signature ()
3287 "Narrow to the signature; return t if a signature is found, else nil."
3288 (let ((inhibit-point-motion-hooks t))
3289 (when (gnus-article-search-signature)
3291 ;; Check whether we have some limits to what we consider
3292 ;; to be a signature.
3293 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
3294 (list gnus-signature-limit)))
3296 (while (setq limit (pop limits))
3297 (if (or (and (integerp limit)
3298 (< (- (point-max) (point)) limit))
3300 (< (count-lines (point) (point-max)) limit))
3301 (and (functionp limit)
3303 (and (stringp limit)
3304 (not (re-search-forward limit nil t))))
3305 () ; This limit did not succeed.
3309 (narrow-to-region (point) (point-max))
3312 (defun gnus-article-search-signature ()
3313 "Search the current buffer for the signature separator.
3314 Put point at the beginning of the signature separator."
3315 (let ((cur (point)))
3316 (goto-char (point-max))
3317 (if (if (stringp gnus-signature-separator)
3318 (re-search-backward gnus-signature-separator nil t)
3319 (let ((seps gnus-signature-separator))
3321 (not (re-search-backward (car seps) nil t)))
3328 (defun gnus-article-hidden-arg ()
3329 "Return the current prefix arg as a number, or 0 if no prefix."
3330 (list (if current-prefix-arg
3331 (prefix-numeric-value current-prefix-arg)
3334 (defun gnus-article-check-hidden-text (type arg)
3335 "Return nil if hiding is necessary.
3336 Arg can be nil or a number. nil and positive means hide, negative
3337 means show, 0 means toggle."
3340 (let ((hide (gnus-article-hidden-text-p type)))
3346 (gnus-article-show-hidden-text type)
3349 (if (eq hide 'hidden)
3351 (gnus-article-show-hidden-text type)
3355 (defun gnus-article-hidden-text-p (type)
3356 "Say whether the current buffer contains hidden text of type TYPE."
3357 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
3359 (not (get-text-property pos 'invisible))
3360 (not (get-text-property pos 'dummy-invisible)))
3362 (text-property-any (1+ pos) (point-max) 'article-type type)))
3367 (defun gnus-article-show-hidden-text (type &optional dummy)
3368 "Show all hidden text of type TYPE.
3369 Originally it is hide instead of DUMMY."
3370 (let ((inhibit-read-only t)
3371 (inhibit-point-motion-hooks t))
3372 (gnus-remove-text-properties-when
3374 (point-min) (point-max)
3375 (cons 'article-type (cons type
3376 gnus-hidden-properties)))
3377 (gnus-delete-wash-type type)))
3379 (defconst article-time-units
3380 `((year . ,(* 365.25 24 60 60))
3381 (week . ,(* 7 24 60 60))
3382 (day . ,(* 24 60 60))
3386 "Mapping from time units to seconds.")
3388 (defun gnus-article-forward-header ()
3389 "Move point to the start of the next header.
3390 If the current header is a continuation header, this can be several
3395 (if (looking-at "[ \t]+[^ \t]")
3399 (defun article-date-ut (&optional type highlight)
3400 "Convert DATE date to universal time in the current article.
3401 If TYPE is `local', convert to local time; if it is `lapsed', output
3402 how much time has lapsed since DATE. For `lapsed', the value of
3403 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
3404 should replace the \"Date:\" one, or should be added below it."
3405 (interactive (list 'ut t))
3406 (let* ((tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
3407 (date-regexp (cond ((not gnus-article-date-lapsed-new-header)
3411 (article-lapsed-timer
3415 (case-fold-search t)
3416 (inhibit-read-only t)
3417 (inhibit-point-motion-hooks t)
3418 pos date bface eface)
3422 (goto-char (point-min))
3423 (while (or (setq date (get-text-property (setq pos (point))
3425 (when (setq pos (next-single-property-change
3426 (point) 'original-date))
3427 (setq date (get-text-property pos 'original-date))
3430 pos (if (setq pos (text-property-any pos (point-max)
3431 'original-date nil))
3434 (if (or (bolp) (eobp))
3438 (goto-char (point-min))
3439 (when (re-search-forward tdate-regexp nil t)
3440 (setq bface (get-text-property (point-at-bol) 'face)
3441 eface (get-text-property (1- (point-at-eol)) 'face)))
3442 (goto-char (point-min))
3444 ;; Delete any old Date headers.
3445 (while (re-search-forward date-regexp nil t)
3447 (delete-region (point-at-bol) (progn
3448 (gnus-article-forward-header)
3450 (delete-region (point-at-bol) (progn
3451 (gnus-article-forward-header)
3454 (setq pos (point))))
3455 (when (and (not pos)
3456 (re-search-forward tdate-regexp nil t))
3458 (gnus-goto-char pos)
3459 (insert (article-make-date-line date (or type 'ut)))
3465 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
3466 (put-text-property (match-beginning 1) (1+ (match-end 1))
3468 (put-text-property (match-beginning 2) (match-end 2)
3470 (put-text-property (point-min) (1- (point-max)) 'original-date date)
3471 (goto-char (point-max))
3474 (defun article-make-date-line (date type)
3475 "Return a DATE line of TYPE."
3476 (unless (memq type '(local ut original user iso8601 lapsed english))
3477 (error "Unknown conversion type: %s" type))
3479 (let ((time (date-to-time date)))
3481 ;; Convert to the local timezone.
3483 (concat "Date: " (message-make-date time)))
3484 ;; Convert to Universal Time.
3489 (let* ((e (parse-time-string date))
3490 (tm (apply 'encode-time e))
3492 (ls (- (cadr tm) (car (current-time-zone time)))))
3493 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
3494 ((> ls 65535) (list (1+ ms) (- ls 65536)))
3498 ;; Get the original date from the article.
3499 ((eq type 'original)
3500 (concat "Date: " (if (string-match "\n+$" date)
3501 (substring date 0 (match-beginning 0))
3503 ;; Let the user define the format.
3505 (let ((format (or (condition-case nil
3506 (with-current-buffer gnus-summary-buffer
3507 gnus-article-time-format)
3509 gnus-article-time-format)))
3510 (if (functionp format)
3511 (funcall format time)
3512 (concat "Date: " (format-time-string format time)))))
3515 (let ((tz (car (current-time-zone time))))
3518 (format-time-string "%Y%m%dT%H%M%S" time)
3519 (format "%s%02d%02d"
3520 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
3521 (/ (% (abs tz) 3600) 60)))))
3522 ;; Do an X-Sent lapsed format.
3524 ;; If the date is seriously mangled, the timezone functions are
3525 ;; liable to bug out, so we ignore all errors.
3526 (let* ((now (current-time))
3527 (real-time (subtract-time now time))
3528 (real-sec (and real-time
3529 (+ (* (float (car real-time)) 65536)
3531 (sec (and real-time (abs real-sec)))
3541 ;; This is a bit convoluted, but basically we go
3542 ;; through the time units for years, weeks, etc,
3543 ;; and divide things to see whether that results
3544 ;; in positive answers.
3547 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
3548 ;; The (remaining) seconds are too few to
3549 ;; be divided into this time unit.
3551 ;; It's big enough, so we output it.
3552 (setq sec (- sec (* num (cdr unit))))
3554 (concat (if prev ", " "") (int-to-string
3556 " " (symbol-name (car unit))
3557 (if (> num 1) "s" ""))
3559 article-time-units "")
3560 ;; If dates are odd, then it might appear like the
3561 ;; article was sent in the future.
3564 " in the future"))))))
3565 ;; Display the date in proper English
3567 (let ((dtime (decode-time time)))
3570 (number-to-string (nth 3 dtime))
3571 (let ((digit (% (nth 3 dtime) 10)))
3573 ((memq (nth 3 dtime) '(11 12 13)) "th")
3579 (nth (1- (nth 4 dtime)) gnus-english-month-names)
3581 (number-to-string (nth 5 dtime))
3583 (format "%02d" (nth 2 dtime))
3585 (format "%02d" (nth 1 dtime)))))))
3587 (format "Date: %s (from Gnus)" date))))
3589 (defun article-date-local (&optional highlight)
3590 "Convert the current article date to the local timezone."
3591 (interactive (list t))
3592 (article-date-ut 'local highlight))
3594 (defun article-date-english (&optional highlight)
3595 "Convert the current article date to something that is proper English."
3596 (interactive (list t))
3597 (article-date-ut 'english highlight))
3599 (defun article-date-original (&optional highlight)
3600 "Convert the current article date to what it was originally.
3601 This is only useful if you have used some other date conversion
3602 function and want to see what the date was before converting."
3603 (interactive (list t))
3604 (article-date-ut 'original highlight))
3606 (defun article-date-lapsed (&optional highlight)
3607 "Convert the current article date to time lapsed since it was sent."
3608 (interactive (list t))
3609 (article-date-ut 'lapsed highlight))
3611 (defun article-update-date-lapsed ()
3612 "Function to be run from a timer to update the lapsed time line."
3614 (let (deactivate-mark)
3619 (set-buffer (window-buffer w))
3620 (when (eq major-mode 'gnus-article-mode)
3621 (let ((mark (point-marker)))
3622 (goto-char (point-min))
3623 (when (re-search-forward "^X-Sent:" nil t)
3624 (article-date-lapsed t))
3625 (goto-char (marker-position mark))
3626 (move-marker mark nil))))
3629 (defun gnus-start-date-timer (&optional n)
3630 "Start a timer to update the X-Sent header in the article buffers.
3631 The numerical prefix says how frequently (in seconds) the function
3636 (gnus-stop-date-timer)
3637 (setq article-lapsed-timer
3638 (run-at-time 1 n 'article-update-date-lapsed)))
3640 (defun gnus-stop-date-timer ()
3641 "Stop the X-Sent timer."
3643 (when article-lapsed-timer
3644 (nnheader-cancel-timer article-lapsed-timer)
3645 (setq article-lapsed-timer nil)))
3647 (defun article-date-user (&optional highlight)
3648 "Convert the current article date to the user-defined format.
3649 This format is defined by the `gnus-article-time-format' variable."
3650 (interactive (list t))
3651 (article-date-ut 'user highlight))
3653 (defun article-date-iso8601 (&optional highlight)
3654 "Convert the current article date to ISO8601."
3655 (interactive (list t))
3656 (article-date-ut 'iso8601 highlight))
3658 (defmacro gnus-article-save-original-date (&rest forms)
3659 "Save the original date as a text property and evaluate FORMS."
3660 `(let* ((case-fold-search t)
3662 (goto-char (point-min))
3663 (when (and (re-search-forward "^date:[\t\n ]+" nil t)
3666 (date (when (and start
3667 (re-search-forward "[\t ]*\n\\(?:[^\t ]\\|\\'\\)"
3669 (buffer-substring-no-properties start
3670 (match-beginning 0)))))
3671 (goto-char (point-max))
3672 (skip-chars-backward "\n")
3673 (put-text-property (point-min) (point) 'original-date date)
3675 (goto-char (point-max))
3676 (skip-chars-backward "\n")
3677 (put-text-property (point-min) (point) 'original-date date)))
3679 ;; (defun article-show-all ()
3680 ;; "Show all hidden text in the article buffer."
3683 ;; (let ((inhibit-read-only t))
3684 ;; (gnus-article-unhide-text (point-min) (point-max)))))
3686 (defun article-remove-leading-whitespace ()
3687 "Remove excessive whitespace from all headers."
3691 (let ((inhibit-read-only t))
3692 (article-narrow-to-head)
3693 (goto-char (point-min))
3694 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3695 (delete-region (match-beginning 1) (match-end 1)))))))
3697 (defun article-emphasize (&optional arg)
3698 "Emphasize text according to `gnus-emphasis-alist'."
3699 (interactive (gnus-article-hidden-arg))
3700 (unless (gnus-article-check-hidden-text 'emphasis arg)
3704 (with-current-buffer gnus-summary-buffer
3705 gnus-article-emphasis-alist)
3707 gnus-emphasis-alist))
3708 (inhibit-read-only t)
3709 (props (append '(article-type emphasis)
3710 gnus-hidden-properties))
3711 regexp elem beg invisible visible face)
3714 (while (setq elem (pop alist))
3716 (setq regexp (car elem)
3717 invisible (nth 1 elem)
3718 visible (nth 2 elem)
3720 (while (re-search-forward regexp nil t)
3721 (when (and (match-beginning visible) (match-beginning invisible))
3722 (gnus-article-hide-text
3723 (match-beginning invisible) (match-end invisible) props)
3724 (gnus-article-unhide-text-type
3725 (match-beginning visible) (match-end visible) 'emphasis)
3726 (gnus-put-overlay-excluding-newlines
3727 (match-beginning visible) (match-end visible) 'face face)
3728 (gnus-add-wash-type 'emphasis)
3729 (goto-char (match-end invisible)))))))))
3731 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3732 "Setup newsgroup emphasis alist."
3733 (unless gnus-article-emphasis-alist
3734 (let ((name (and gnus-newsgroup-name
3735 (gnus-group-real-name gnus-newsgroup-name))))
3736 (make-local-variable 'gnus-article-emphasis-alist)
3737 (setq gnus-article-emphasis-alist
3739 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3740 (while (setq elem (pop alist))
3741 (when (and name (string-match (car elem) name))
3743 highlight (copy-sequence (cdr elem)))))
3745 (copy-sequence highlight-words)
3746 (if gnus-newsgroup-name
3747 (copy-sequence (gnus-group-find-parameter
3748 gnus-newsgroup-name 'highlight-words t)))
3749 gnus-emphasis-alist)))))
3751 (defvar gnus-summary-article-menu)
3752 (defvar gnus-summary-post-menu)
3754 ;;; Saving functions.
3756 (defun gnus-article-save (save-buffer file &optional num)
3757 "Save the currently selected article."
3758 (when (or (get gnus-default-article-saver :headers)
3759 (not gnus-save-all-headers))
3760 ;; Remove headers according to `gnus-saved-headers' or the value
3761 ;; of the `:headers' property that the saver function might have.
3762 (let ((gnus-visible-headers
3763 (or (symbol-value (get gnus-default-article-saver :headers))
3764 gnus-saved-headers gnus-visible-headers))
3765 ;; Ignore group parameter. See `article-hide-headers'.
3766 (gnus-summary-buffer nil))
3767 (with-current-buffer save-buffer
3768 (article-hide-headers 1 t))))
3769 (save-window-excursion
3770 (if (not gnus-default-article-saver)
3771 (error "No default saver is defined")
3772 ;; !!! Magic! The saving functions all save
3773 ;; `gnus-save-article-buffer' (or so they think), but we
3774 ;; bind that variable to our save-buffer.
3775 (set-buffer gnus-article-buffer)
3776 (let* ((gnus-save-article-buffer save-buffer)
3779 ((not gnus-prompt-before-saving) 'default)
3780 ((eq gnus-prompt-before-saving 'always) nil)
3782 (gnus-number-of-articles-to-be-saved
3783 (when (eq gnus-prompt-before-saving t)
3785 (set-buffer gnus-article-current-summary)
3786 (funcall gnus-default-article-saver filename)))))
3788 (defun gnus-read-save-file-name (prompt &optional filename
3789 function group headers variable
3792 (funcall function group headers (symbol-value variable)))
3797 ((eq filename 'default)
3803 (when (symbol-value dir-var)
3804 (setq default-name (expand-file-name
3805 (file-name-nondirectory default-name)
3806 (symbol-value dir-var))))
3807 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3810 (if (and gnus-number-of-articles-to-be-saved
3811 (> gnus-number-of-articles-to-be-saved 1))
3812 (format "these %d articles"
3813 gnus-number-of-articles-to-be-saved)
3816 ;; Let the split methods have their say.
3818 ;; No split name was found.
3821 (concat prompt " (default "
3822 (file-name-nondirectory default-name) "): ")
3823 (file-name-directory default-name)
3825 ;; A single group name is returned.
3826 ((stringp split-name)
3828 (funcall function split-name headers
3829 (symbol-value variable)))
3831 (concat prompt " (default "
3832 (file-name-nondirectory default-name) "): ")
3833 (file-name-directory default-name)
3835 ;; A single split name was found
3836 ((= 1 (length split-name))
3837 (let* ((name (expand-file-name
3839 gnus-article-save-directory))
3840 (dir (cond ((file-directory-p name)
3841 (file-name-as-directory name))
3842 ((file-exists-p name) name)
3843 (t gnus-article-save-directory))))
3845 (concat prompt " (default " name "): ")
3847 ;; A list of splits was found.
3849 (setq split-name (nreverse split-name))
3851 (let ((file-name-history
3852 (nconc split-name file-name-history)))
3856 (concat prompt " (`M-p' for defaults): ")
3857 gnus-article-save-directory
3859 gnus-article-save-directory)))
3860 (car (push result file-name-history)))))))
3861 ;; Create the directory.
3862 (gnus-make-directory (file-name-directory file))
3863 ;; If we have read a directory, we append the default file name.
3864 (when (file-directory-p file)
3865 (setq file (expand-file-name (file-name-nondirectory
3867 (file-name-as-directory file))))
3868 ;; Possibly translate some characters.
3869 (nnheader-translate-file-chars file))))))
3870 (gnus-make-directory (file-name-directory result))
3872 (set variable result))
3874 (set dir-var (file-name-directory result)))
3877 (defun gnus-article-archive-name (group)
3878 "Return the first instance of an \"Archive-name\" in the current buffer."
3879 (let ((case-fold-search t))
3880 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3881 (nnheader-concat gnus-article-save-directory
3882 (match-string 1)))))
3884 (defun gnus-article-nndoc-name (group)
3885 "If GROUP is an nndoc group, return the name of the parent group."
3886 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3887 (gnus-group-get-parameter group 'save-article-group)))
3889 (defun gnus-summary-save-in-rmail (&optional filename)
3890 "Append this article to Rmail file.
3891 Optional argument FILENAME specifies file name.
3892 Directory to save to is default to `gnus-article-save-directory'."
3893 (setq filename (gnus-read-save-file-name
3894 "Save %s in rmail file" filename
3895 gnus-rmail-save-name gnus-newsgroup-name
3896 gnus-current-headers 'gnus-newsgroup-last-rmail))
3897 (with-current-buffer gnus-save-article-buffer
3901 ;; Note that unlike gnus-summary-save-in-mail, there is no
3902 ;; check to see if filename is Babyl. Rmail in Emacs 23 does
3904 (gnus-output-to-rmail filename))))
3907 (defun gnus-summary-save-in-mail (&optional filename)
3908 "Append this article to Unix mail file.
3909 Optional argument FILENAME specifies file name.
3910 Directory to save to is default to `gnus-article-save-directory'."
3911 (setq filename (gnus-read-save-file-name
3912 "Save %s in Unix mail file" filename
3913 gnus-mail-save-name gnus-newsgroup-name
3914 gnus-current-headers 'gnus-newsgroup-last-mail))
3915 (with-current-buffer gnus-save-article-buffer
3919 (if (and (file-readable-p filename)
3920 (file-regular-p filename)
3921 (mail-file-babyl-p filename))
3922 (gnus-output-to-rmail filename)
3923 (gnus-output-to-mail filename)))))
3926 (put 'gnus-summary-save-in-file :decode t)
3927 (put 'gnus-summary-save-in-file :headers 'gnus-saved-headers)
3928 (defun gnus-summary-save-in-file (&optional filename overwrite)
3929 "Append this article to file.
3930 Optional argument FILENAME specifies file name.
3931 Directory to save to is default to `gnus-article-save-directory'."
3932 (setq filename (gnus-read-save-file-name
3933 "Save %s in file" filename
3934 gnus-file-save-name gnus-newsgroup-name
3935 gnus-current-headers 'gnus-newsgroup-last-file))
3936 (with-current-buffer gnus-save-article-buffer
3940 (when (and overwrite
3941 (file-exists-p filename))
3942 (delete-file filename))
3943 (gnus-output-to-file filename))))
3946 (put 'gnus-summary-write-to-file :decode t)
3947 (put 'gnus-summary-write-to-file :function 'gnus-summary-save-in-file)
3948 (put 'gnus-summary-write-to-file :headers 'gnus-saved-headers)
3949 (defun gnus-summary-write-to-file (&optional filename)
3950 "Write this article to a file, overwriting it if the file exists.
3951 Optional argument FILENAME specifies file name.
3952 The directory to save in defaults to `gnus-article-save-directory'."
3953 (setq filename (gnus-read-save-file-name
3954 "Save %s in file" filename
3955 gnus-file-save-name gnus-newsgroup-name
3956 gnus-current-headers nil 'gnus-newsgroup-last-directory))
3957 (gnus-summary-save-in-file filename t))
3959 (put 'gnus-summary-save-body-in-file :decode t)
3960 (defun gnus-summary-save-body-in-file (&optional filename overwrite)
3961 "Append this article body to a file.
3962 Optional argument FILENAME specifies file name.
3963 The directory to save in defaults to `gnus-article-save-directory'."
3964 (setq filename (gnus-read-save-file-name
3965 "Save %s body in file" filename
3966 gnus-file-save-name gnus-newsgroup-name
3967 gnus-current-headers 'gnus-newsgroup-last-file))
3968 (with-current-buffer gnus-save-article-buffer
3972 (when (article-goto-body)
3973 (narrow-to-region (point) (point-max)))
3974 (when (and overwrite
3975 (file-exists-p filename))
3976 (delete-file filename))
3977 (gnus-output-to-file filename))))
3980 (put 'gnus-summary-write-body-to-file :decode t)
3981 (put 'gnus-summary-write-body-to-file
3982 :function 'gnus-summary-save-body-in-file)
3983 (defun gnus-summary-write-body-to-file (&optional filename)
3984 "Write this article body to a file, overwriting it if the file exists.
3985 Optional argument FILENAME specifies file name.
3986 The directory to save in defaults to `gnus-article-save-directory'."
3987 (setq filename (gnus-read-save-file-name
3988 "Save %s body in file" filename
3989 gnus-file-save-name gnus-newsgroup-name
3990 gnus-current-headers nil 'gnus-newsgroup-last-directory))
3991 (gnus-summary-save-body-in-file filename t))
3993 (put 'gnus-summary-save-in-pipe :decode t)
3994 (put 'gnus-summary-save-in-pipe :headers 'gnus-saved-headers)
3995 (defun gnus-summary-save-in-pipe (&optional command raw)
3996 "Pipe this article to subprocess COMMAND.
3997 Valid values for COMMAND include:
3999 The executable command name and possibly arguments.
4001 You will be prompted for the command in the minibuffer.
4002 the symbol `default'
4003 It will be replaced with the command which the variable
4004 `gnus-summary-pipe-output-default-command' holds or the command
4005 last used for saving.
4006 Non-nil value for RAW overrides `:decode' and `:headers' properties
4007 and the raw article including all headers will be piped."
4008 (let ((article (gnus-summary-article-number))
4010 (get 'gnus-summary-save-in-pipe :decode)))
4011 save-buffer default)
4013 (if (vectorp (gnus-summary-article-header article))
4014 (save-current-buffer
4015 (gnus-summary-select-article decode decode nil article)
4016 (insert-buffer-substring
4020 gnus-original-article-buffer)
4022 (nnheader-set-temp-buffer " *Gnus Save*"))))
4023 ;; Remove unwanted headers.
4024 (when (and (not raw)
4025 (or (get 'gnus-summary-save-in-pipe :headers)
4026 (not gnus-save-all-headers)))
4027 (let ((gnus-visible-headers
4028 (or (symbol-value (get 'gnus-summary-save-in-pipe
4030 gnus-saved-headers gnus-visible-headers))
4031 (gnus-summary-buffer nil))
4032 (article-hide-headers 1 t))))
4033 (error "%d is not a real article" article))
4034 (error "No article to pipe"))
4035 (setq default (or gnus-summary-pipe-output-default-command
4036 gnus-last-shell-command))
4037 (unless (stringp command)
4039 (if (and (eq command 'default) default)
4041 (gnus-read-shell-command "Shell command on this article: "
4043 (when (string-equal command "")
4045 (setq command default)
4046 (error "A command is required")))
4047 (with-current-buffer save-buffer
4050 (shell-command-on-region (point-min) (point-max) command nil)))
4051 (gnus-kill-buffer save-buffer))
4052 (setq gnus-summary-pipe-output-default-command command))
4054 (defun gnus-summary-pipe-to-muttprint (&optional command)
4055 "Pipe this article to muttprint."
4056 (unless (stringp command)
4057 (setq command (read-string
4058 "Print using command: " gnus-summary-muttprint-program
4059 nil gnus-summary-muttprint-program)))
4060 (let ((gnus-summary-pipe-output-default-command
4061 gnus-summary-pipe-output-default-command))
4062 (gnus-summary-save-in-pipe command))
4063 (setq gnus-summary-muttprint-program command))
4065 ;;; Article file names when saving.
4067 (defun gnus-capitalize-newsgroup (newsgroup)
4068 "Capitalize NEWSGROUP name."
4069 (when (not (zerop (length newsgroup)))
4070 (concat (char-to-string (upcase (aref newsgroup 0)))
4071 (substring newsgroup 1))))
4073 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
4074 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
4075 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
4076 Otherwise, it is like ~/News/news/group/num."
4079 (concat (if (gnus-use-long-file-name 'not-save)
4080 (gnus-capitalize-newsgroup newsgroup)
4081 (gnus-newsgroup-directory-form newsgroup))
4082 "/" (int-to-string (mail-header-number headers)))
4083 gnus-article-save-directory)))
4085 (string-equal (file-name-directory default)
4086 (file-name-directory last-file))
4087 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
4089 (or last-file default))))
4091 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
4092 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
4093 If variable `gnus-use-long-file-name' is non-nil, it is
4094 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
4097 (concat (if (gnus-use-long-file-name 'not-save)
4099 (gnus-newsgroup-directory-form newsgroup))
4100 "/" (int-to-string (mail-header-number headers)))
4101 gnus-article-save-directory)))
4103 (string-equal (file-name-directory default)
4104 (file-name-directory last-file))
4105 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
4107 (or last-file default))))
4109 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
4110 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
4111 If variable `gnus-use-long-file-name' is non-nil, it is
4112 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
4115 (if (gnus-use-long-file-name 'not-save)
4118 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
4120 gnus-article-save-directory)))
4122 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
4123 "Generate file name from sender."
4124 (let ((from (mail-header-from headers)))
4126 (if (and from (string-match "\\([^ <]+\\)@" from))
4127 (match-string 1 from)
4129 gnus-article-save-directory)))
4131 (defun article-verify-x-pgp-sig ()
4133 ;; <ftp://ftp.isc.org/pub/pgpcontrol/FORMAT>
4135 (if (gnus-buffer-live-p gnus-original-article-buffer)
4136 (let ((sig (with-current-buffer gnus-original-article-buffer
4137 (gnus-fetch-field "X-PGP-Sig")))
4141 (mml2015-clear-verify-function))
4143 (insert-buffer-substring gnus-original-article-buffer)
4144 (setq items (split-string sig))
4145 (message-narrow-to-head)
4146 (let ((inhibit-point-motion-hooks t)
4147 (case-fold-search t))
4148 ;; Don't verify multiple headers.
4149 (setq headers (mapconcat (lambda (header)
4151 (mail-fetch-field header)
4153 (split-string (nth 1 items) ",") "")))
4154 (delete-region (point-min) (point-max))
4155 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
4156 (insert "X-Signed-Headers: " (nth 1 items) "\n")
4161 (if (looking-at "^-")
4164 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
4165 (insert "Version: " (car items) "\n\n")
4166 (insert (mapconcat 'identity (cddr items) "\n"))
4167 (insert "\n-----END PGP SIGNATURE-----\n")
4168 (let ((mm-security-handle (list (format "multipart/signed"))))
4169 (mml2015-clean-buffer)
4170 (let ((coding-system-for-write (or gnus-newsgroup-charset
4172 (funcall (mml2015-clear-verify-function)))
4174 (or (mm-handle-multipart-ctl-parameter
4175 mm-security-handle 'gnus-details)
4176 (mm-handle-multipart-ctl-parameter
4177 mm-security-handle 'gnus-info)))))
4179 (let ((inhibit-read-only t) bface eface)
4181 (message-narrow-to-head)
4182 (goto-char (point-max))
4184 (setq bface (get-text-property (point-at-bol) 'face)
4185 eface (get-text-property (1- (point-at-eol)) 'face))
4186 (message-remove-header "X-Gnus-PGP-Verify")
4187 (if (re-search-forward "^X-PGP-Sig:" nil t)
4189 (goto-char (point-max)))
4190 (narrow-to-region (point) (point))
4191 (insert "X-Gnus-PGP-Verify: " info "\n")
4192 (goto-char (point-min))
4195 (if (not (looking-at "^[ \t]"))
4199 (goto-char (point-min))
4200 (when (looking-at "\\([^:]+\\): *")
4201 (put-text-property (match-beginning 1) (1+ (match-end 1))
4203 (put-text-property (match-end 0) (point-max)
4204 'face eface)))))))))
4206 (autoload 'canlock-verify "canlock" nil t) ;; for XEmacs.
4208 (defun article-verify-cancel-lock ()
4209 "Verify Cancel-Lock header."
4211 (if (gnus-buffer-live-p gnus-original-article-buffer)
4212 (canlock-verify gnus-original-article-buffer)))
4219 (setq afunc (car func)
4222 gfunc (intern (format "gnus-%s" func))))
4224 (when (fboundp afunc)
4225 `(lambda (&optional interactive &rest args)
4226 ,(documentation afunc t)
4227 (interactive (list t))
4228 (with-current-buffer gnus-article-buffer
4230 (call-interactively ',afunc)
4231 (apply ',afunc args))))))))
4232 '(article-hide-headers
4233 article-verify-x-pgp-sig
4234 article-verify-cancel-lock
4235 article-hide-boring-headers
4236 article-treat-overstrike
4237 article-treat-ansi-sequences
4238 article-fill-long-lines
4239 article-capitalize-sentences
4241 article-remove-leading-whitespace
4242 article-display-x-face
4243 article-display-face
4244 article-de-quoted-unreadable
4245 article-de-base64-unreadable
4248 article-unsplit-urls
4249 article-hide-list-identifiers
4250 article-strip-banner
4253 article-hide-signature
4254 article-strip-headers-in-body
4255 article-remove-trailing-blank-lines
4256 article-strip-leading-blank-lines
4257 article-strip-multiple-blank-lines
4258 article-strip-leading-space
4259 article-strip-trailing-space
4260 article-strip-blank-lines
4261 article-strip-all-blank-lines
4263 article-date-english
4264 article-date-iso8601
4265 article-date-original
4267 article-decode-mime-words
4268 article-decode-charset
4269 article-decode-encoded-words
4273 article-treat-dumbquotes
4274 article-treat-non-ascii
4275 article-normalize-headers
4276 ;;(article-show-all . gnus-article-show-all-headers)
4280 ;;; Gnus article mode
4283 (put 'gnus-article-mode 'mode-class 'special)
4285 (set-keymap-parent gnus-article-mode-map widget-keymap)
4287 (gnus-define-keys gnus-article-mode-map
4288 " " gnus-article-goto-next-page
4289 "\177" gnus-article-goto-prev-page
4290 [delete] gnus-article-goto-prev-page
4291 [backspace] gnus-article-goto-prev-page
4292 "\C-c^" gnus-article-refer-article
4293 "h" gnus-article-show-summary
4294 "s" gnus-article-show-summary
4295 "\C-c\C-m" gnus-article-mail
4296 "?" gnus-article-describe-briefly
4297 "<" beginning-of-buffer
4299 "\C-c\C-i" gnus-info-find-node
4301 "R" gnus-article-reply-with-original
4302 "F" gnus-article-followup-with-original
4303 "\C-hk" gnus-article-describe-key
4304 "\C-hc" gnus-article-describe-key-briefly
4305 "\C-hb" gnus-article-describe-bindings
4307 "e" gnus-article-read-summary-keys
4308 "\C-d" gnus-article-read-summary-keys
4309 "\M-*" gnus-article-read-summary-keys
4310 "\M-#" gnus-article-read-summary-keys
4311 "\M-^" gnus-article-read-summary-keys
4312 "\M-g" gnus-article-read-summary-keys)
4314 (substitute-key-definition
4315 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
4317 (gnus-define-keys (gnus-article-send-map "S" gnus-article-mode-map)
4318 "W" gnus-article-wide-reply-with-original)
4319 (if (featurep 'xemacs)
4320 (set-keymap-default-binding gnus-article-send-map
4321 'gnus-article-read-summary-send-keys)
4322 (define-key gnus-article-send-map [t] 'gnus-article-read-summary-send-keys))
4324 (defun gnus-article-make-menu-bar ()
4325 (unless (boundp 'gnus-article-commands-menu)
4326 (gnus-summary-make-menu-bar))
4327 (unless (boundp 'gnus-article-article-menu)
4329 gnus-article-article-menu gnus-article-mode-map ""
4331 ["Scroll forwards" gnus-article-goto-next-page t]
4332 ["Scroll backwards" gnus-article-goto-prev-page t]
4333 ["Show summary" gnus-article-show-summary t]
4334 ["Fetch Message-ID at point" gnus-article-refer-article t]
4335 ["Mail to address at point" gnus-article-mail t]
4336 ["Send a bug report" gnus-bug t]))
4339 gnus-article-treatment-menu gnus-article-mode-map ""
4340 ;; Fixme: this should use :active (and maybe :visible).
4342 ["Hide headers" gnus-article-hide-headers t]
4343 ["Hide signature" gnus-article-hide-signature t]
4344 ["Hide citation" gnus-article-hide-citation t]
4345 ["Treat overstrike" gnus-article-treat-overstrike t]
4346 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
4347 ["Remove carriage return" gnus-article-remove-cr t]
4348 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
4349 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
4350 ["Remove base64" gnus-article-de-base64-unreadable t]
4351 ["Treat html" gnus-article-wash-html t]
4352 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
4353 ["Decode HZ" gnus-article-decode-HZ t]))
4355 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
4357 ;; Note "Post" menu is defined in gnus-sum.el for consistency
4359 (gnus-run-hooks 'gnus-article-menu-hook)))
4361 (defvar bookmark-make-record-function)
4363 (defun gnus-article-mode ()
4364 "Major mode for displaying an article.
4366 All normal editing commands are switched off.
4368 The following commands are available in addition to all summary mode
4370 \\<gnus-article-mode-map>
4371 \\[gnus-article-next-page]\t Scroll the article one page forwards
4372 \\[gnus-article-prev-page]\t Scroll the article one page backwards
4373 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
4374 \\[gnus-article-show-summary]\t Display the summary buffer
4375 \\[gnus-article-mail]\t Send a reply to the address near point
4376 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
4377 \\[gnus-info-find-node]\t Go to the Gnus info node"
4379 (kill-all-local-variables)
4380 (gnus-simplify-mode-line)
4381 (setq mode-name "Article")
4382 (setq major-mode 'gnus-article-mode)
4383 (make-local-variable 'minor-mode-alist)
4384 (use-local-map gnus-article-mode-map)
4385 (when (gnus-visual-p 'article-menu 'menu)
4386 (gnus-article-make-menu-bar)
4387 (when gnus-summary-tool-bar-map
4388 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
4389 (gnus-update-format-specifications nil 'article-mode)
4390 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
4391 (set (make-local-variable 'gnus-page-broken) nil)
4392 (make-local-variable 'gnus-button-marker-list)
4393 (make-local-variable 'gnus-article-current-summary)
4394 (make-local-variable 'gnus-article-mime-handles)
4395 (make-local-variable 'gnus-article-decoded-p)
4396 (make-local-variable 'gnus-article-mime-handle-alist)
4397 (make-local-variable 'gnus-article-wash-types)
4398 (make-local-variable 'gnus-article-image-alist)
4399 (make-local-variable 'gnus-article-charset)
4400 (make-local-variable 'gnus-article-ignored-charsets)
4401 (set (make-local-variable 'bookmark-make-record-function)
4402 'gnus-summary-bookmark-make-record)
4403 ;; Prevent Emacs 22 from displaying non-break space with `nobreak-space'
4405 (set (make-local-variable 'nobreak-char-display) nil)
4406 (setq cursor-in-non-selected-windows nil)
4407 (gnus-set-default-directory)
4408 (buffer-disable-undo)
4409 (setq buffer-read-only t
4410 show-trailing-whitespace nil)
4411 (set-syntax-table gnus-article-mode-syntax-table)
4412 (mm-enable-multibyte)
4413 (gnus-run-mode-hooks 'gnus-article-mode-hook))
4415 (defvar gnus-button-marker-list nil
4416 "Regexp matching any of the regexps from `gnus-button-alist'.
4417 Internal variable.")
4419 (defun gnus-article-setup-buffer ()
4420 "Initialize the article buffer."
4421 (let* ((name (if gnus-single-article-buffer "*Article*"
4422 (concat "*Article " gnus-newsgroup-name "*")))
4424 (progn (string-match "\\*Article" name)
4425 (concat " *Original Article"
4426 (substring name (match-end 0))))))
4427 (setq gnus-article-buffer name)
4428 (setq gnus-original-article-buffer original)
4429 (setq gnus-article-mime-handle-alist nil)
4430 (with-current-buffer gnus-summary-buffer
4431 ;; This might be a variable local to the summary buffer.
4432 (unless gnus-single-article-buffer
4433 (setq gnus-article-buffer name)
4434 (setq gnus-original-article-buffer original)
4435 (gnus-set-global-variables)))
4436 (gnus-article-setup-highlight-words)
4437 ;; Init original article buffer.
4438 (with-current-buffer (gnus-get-buffer-create gnus-original-article-buffer)
4439 (mm-enable-multibyte)
4440 (setq major-mode 'gnus-original-article-mode)
4441 (make-local-variable 'gnus-original-article))
4442 (if (and (get-buffer name)
4443 (with-current-buffer name
4444 (if gnus-article-edit-mode
4445 (if (y-or-n-p "Article mode edit in progress; discard? ")
4447 (set-buffer-modified-p nil)
4448 (gnus-kill-buffer name)
4451 (error "Action aborted"))
4453 (with-current-buffer name
4454 (set (make-local-variable 'gnus-article-edit-mode) nil)
4455 (when gnus-article-mime-handles
4456 (mm-destroy-parts gnus-article-mime-handles)
4457 (setq gnus-article-mime-handles nil))
4458 ;; Set it to nil in article-buffer!
4459 (setq gnus-article-mime-handle-alist nil)
4460 (buffer-disable-undo)
4461 (setq buffer-read-only t)
4462 ;; This list just keeps growing if we don't reset it.
4463 (setq gnus-button-marker-list nil)
4464 (unless (eq major-mode 'gnus-article-mode)
4465 (gnus-article-mode))
4466 (setq truncate-lines gnus-article-truncate-lines)
4468 (with-current-buffer (gnus-get-buffer-create name)
4470 (setq truncate-lines gnus-article-truncate-lines)
4471 (make-local-variable 'gnus-summary-buffer)
4472 (setq gnus-summary-buffer
4473 (gnus-summary-buffer-name gnus-newsgroup-name))
4474 (gnus-summary-set-local-parameters gnus-newsgroup-name)
4475 (current-buffer)))))
4477 ;; Set article window start at LINE, where LINE is the number of lines
4478 ;; from the head of the article.
4479 (defun gnus-article-set-window-start (&optional line)
4480 (let ((article-window (gnus-get-buffer-window gnus-article-buffer t)))
4481 (when article-window
4484 (with-current-buffer gnus-article-buffer
4485 (goto-char (point-min))
4488 (gnus-message 6 "Moved to bookmark")
4489 (search-forward "\n\n" nil t)
4493 (defun gnus-article-prepare (article &optional all-headers header)
4494 "Prepare ARTICLE in article mode buffer.
4495 ARTICLE should either be an article number or a Message-ID.
4496 If ARTICLE is an id, HEADER should be the article headers.
4497 If ALL-HEADERS is non-nil, no headers are hidden."
4499 ;; Make sure we start in a summary buffer.
4500 (unless (eq major-mode 'gnus-summary-mode)
4501 (set-buffer gnus-summary-buffer))
4502 (setq gnus-summary-buffer (current-buffer))
4503 (let* ((gnus-article (if header (mail-header-number header) article))
4504 (summary-buffer (current-buffer))
4505 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
4506 (group gnus-newsgroup-name)
4509 (gnus-article-setup-buffer)
4510 (set-buffer gnus-article-buffer)
4511 ;; Deactivate active regions.
4512 (when (and (boundp 'transient-mark-mode)
4513 transient-mark-mode)
4514 (setq mark-active nil))
4515 (if (not (setq result (let ((inhibit-read-only t))
4516 (gnus-request-article-this-buffer
4518 ;; There is no such article.
4520 (when (and (numberp article)
4521 (not (memq article gnus-newsgroup-sparse)))
4522 (setq gnus-article-current
4523 (cons gnus-newsgroup-name article))
4524 (set-buffer gnus-summary-buffer)
4525 (setq gnus-current-article article)
4526 (if (and (memq article gnus-newsgroup-undownloaded)
4527 (not (gnus-online (gnus-find-method-for-group
4528 gnus-newsgroup-name))))
4530 (gnus-summary-set-agent-mark article)
4531 (message "Message marked for downloading"))
4532 (gnus-summary-mark-article article gnus-canceled-mark)
4533 (unless (memq article gnus-newsgroup-sparse)
4534 (gnus-error 1 "No such article (may have expired or been canceled)")))))
4535 (if (or (eq result 'pseudo)
4536 (eq result 'nneething))
4538 (with-current-buffer summary-buffer
4539 (push article gnus-newsgroup-history)
4540 (setq gnus-last-article gnus-current-article
4541 gnus-current-article 0
4542 gnus-current-headers nil
4543 gnus-article-current nil)
4544 (if (eq result 'nneething)
4545 (gnus-configure-windows 'summary)
4546 (gnus-configure-windows 'article))
4547 (gnus-set-global-variables))
4548 (let ((gnus-article-mime-handle-alist-1
4549 gnus-article-mime-handle-alist))
4550 (gnus-set-mode-line 'article)))
4551 ;; The result from the `request' was an actual article -
4552 ;; or at least some text that is now displayed in the
4554 (when (and (numberp article)
4555 (not (eq article gnus-current-article)))
4556 ;; Seems like a new article has been selected.
4557 ;; `gnus-current-article' must be an article number.
4558 (with-current-buffer summary-buffer
4559 (push article gnus-newsgroup-history)
4560 (setq gnus-last-article gnus-current-article
4561 gnus-current-article article
4562 gnus-current-headers
4563 (gnus-summary-article-header gnus-current-article)
4564 gnus-article-current
4565 (cons gnus-newsgroup-name gnus-current-article))
4566 (unless (vectorp gnus-current-headers)
4567 (setq gnus-current-headers nil))
4568 (gnus-summary-goto-subject gnus-current-article)
4569 (when (gnus-summary-show-thread)
4570 ;; If the summary buffer really was folded, the
4571 ;; previous goto may not actually have gone to
4572 ;; the right article, but the thread root instead.
4574 (gnus-summary-goto-subject gnus-current-article))
4575 (gnus-run-hooks 'gnus-mark-article-hook)
4576 (gnus-set-mode-line 'summary)
4577 (when (gnus-visual-p 'article-highlight 'highlight)
4578 (gnus-run-hooks 'gnus-visual-mark-article-hook))
4579 ;; Set the global newsgroup variables here.
4580 (gnus-set-global-variables)
4581 (setq gnus-have-all-headers
4582 (or all-headers gnus-show-all-headers))))
4584 (gnus-configure-windows 'article))
4585 (when (or (numberp article)
4587 (gnus-article-prepare-display)
4589 (goto-char (point-min))
4590 (when gnus-break-pages
4591 (gnus-narrow-to-page)))
4592 (let ((gnus-article-mime-handle-alist-1
4593 gnus-article-mime-handle-alist))
4594 (gnus-set-mode-line 'article))
4598 (set-window-point (get-buffer-window (current-buffer)) (point))
4599 (gnus-configure-windows 'article)
4603 (defun gnus-article-prepare-display ()
4604 "Make the current buffer look like a nice article."
4605 ;; Hooks for getting information from the article.
4606 ;; This hook must be called before being narrowed.
4607 (let ((gnus-article-buffer (current-buffer))
4609 (inhibit-read-only t))
4610 (unless (eq major-mode 'gnus-article-mode)
4611 (gnus-article-mode))
4612 (setq buffer-read-only nil
4613 gnus-article-wash-types nil
4614 gnus-article-image-alist nil)
4615 (gnus-run-hooks 'gnus-tmp-internal-hook)
4616 (when gnus-display-mime-function
4617 (funcall gnus-display-mime-function))
4618 (gnus-run-hooks 'gnus-article-prepare-hook)))
4621 ;;; Gnus Sticky Article Mode
4624 (define-derived-mode gnus-sticky-article-mode gnus-article-mode "StickyArticle"
4625 "Mode for sticky articles."
4626 ;; Release bindings that won't work.
4627 (substitute-key-definition 'gnus-article-read-summary-keys 'undefined
4628 gnus-sticky-article-mode-map)
4629 (substitute-key-definition 'gnus-article-refer-article 'undefined
4630 gnus-sticky-article-mode-map)
4631 (dolist (k '("e" "h" "s" "F" "R"))
4632 (define-key gnus-sticky-article-mode-map k nil))
4633 (define-key gnus-sticky-article-mode-map "k" 'gnus-kill-sticky-article-buffer)
4634 (define-key gnus-sticky-article-mode-map "q" 'bury-buffer)
4635 (define-key gnus-sticky-article-mode-map "\C-hc" 'describe-key-briefly)
4636 (define-key gnus-sticky-article-mode-map "\C-hk" 'describe-key))
4638 (defun gnus-sticky-article (arg)
4639 "Make the current article sticky.
4640 If a prefix ARG is given, ask for a name for this sticky article buffer."
4642 (gnus-summary-show-thread)
4643 (gnus-summary-select-article nil nil 'pseudo)
4644 (let (new-art-buf-name)
4645 (gnus-eval-in-buffer-window gnus-article-buffer
4646 (setq new-art-buf-name
4650 (read-from-minibuffer "Sticky article buffer name: ")
4651 (gnus-with-article-headers
4652 (gnus-article-goto-header "subject")
4653 (setq new-art-buf-name
4654 (buffer-substring-no-properties
4655 (line-beginning-position) (line-end-position)))
4656 (goto-char (point-min))
4657 (gnus-article-goto-header "from")
4658 (setq new-art-buf-name
4660 new-art-buf-name ", "
4661 (buffer-substring-no-properties
4662 (line-beginning-position) (line-end-position))))
4663 (goto-char (point-min))
4664 (gnus-article-goto-header "date")
4665 (setq new-art-buf-name
4667 new-art-buf-name ", "
4668 (buffer-substring-no-properties
4669 (line-beginning-position) (line-end-position))))))
4671 (if (and (gnus-buffer-live-p new-art-buf-name)
4672 (with-current-buffer new-art-buf-name
4673 (eq major-mode 'gnus-sticky-article-mode)))
4674 (switch-to-buffer new-art-buf-name)
4675 (setq new-art-buf-name (rename-buffer new-art-buf-name t)))
4676 (gnus-sticky-article-mode))
4677 (setq gnus-article-buffer new-art-buf-name))
4678 (gnus-summary-recenter)
4679 (gnus-summary-position-point))
4681 (defun gnus-kill-sticky-article-buffer (&optional buffer)
4682 "Kill the given sticky article BUFFER.
4683 If none is given, assume the current buffer and kill it if it has
4684 `gnus-sticky-article-mode'."
4687 (setq buffer (current-buffer)))
4688 (with-current-buffer buffer
4689 (when (eq major-mode 'gnus-sticky-article-mode)
4690 (gnus-kill-buffer buffer))))
4692 (defun gnus-kill-sticky-article-buffers (arg)
4693 "Kill all sticky article buffers.
4694 If a prefix ARG is given, ask for confirmation."
4696 (dolist (buf (gnus-buffers))
4697 (with-current-buffer buf
4698 (when (eq major-mode 'gnus-sticky-article-mode)
4700 (gnus-kill-buffer buf)
4701 (when (yes-or-no-p (concat "Kill buffer " (buffer-name buf) "? "))
4702 (gnus-kill-buffer buf)))))))
4705 ;;; Gnus MIME viewing functions
4708 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
4709 "Format of the MIME buttons.
4711 Valid specifiers include:
4713 %T MIME type, along with additional info
4714 %n The `name' parameter
4715 %d The description, if any
4716 %l The length of the encoded part
4717 %p The part identifier number
4718 %e Dots if the part isn't displayed
4720 General format specifiers can also be used. See Info node
4721 `(gnus)Formatting Variables'.")
4723 (defvar gnus-mime-button-line-format-alist
4724 '((?t gnus-tmp-type ?s)
4725 (?T gnus-tmp-type-long ?s)
4726 (?n gnus-tmp-name ?s)
4727 (?d gnus-tmp-description ?s)
4729 (?l gnus-tmp-length ?d)
4730 (?e gnus-tmp-dots ?s)))
4732 (defvar gnus-mime-button-commands
4733 '((gnus-article-press-button "\r" "Toggle Display")
4734 (gnus-mime-view-part "v" "View Interactively...")
4735 (gnus-mime-view-part-as-type "t" "View As Type...")
4736 (gnus-mime-view-part-as-charset "C" "View As charset...")
4737 (gnus-mime-save-part "o" "Save...")
4738 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4739 (gnus-mime-replace-part "r" "Replace part")
4740 (gnus-mime-delete-part "d" "Delete part")
4741 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4742 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4743 (gnus-mime-view-part-internally "E" "View Internally") ;; Why `E'?
4744 (gnus-mime-view-part-externally "e" "View Externally")
4745 (gnus-mime-print-part "p" "Print")
4746 (gnus-mime-pipe-part "|" "Pipe To Command...")
4747 (gnus-mime-action-on-part "." "Take action on the part...")))
4749 (defun gnus-article-mime-part-status ()
4750 (if gnus-article-mime-handle-alist-1
4751 (if (eq 1 (length gnus-article-mime-handle-alist-1))
4753 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
4756 (defvar gnus-mime-button-map
4757 (let ((map (make-sparse-keymap)))
4758 (define-key map gnus-mouse-2 'gnus-article-push-button)
4759 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4760 (dolist (c gnus-mime-button-commands)
4761 (define-key map (cadr c) (car c)))
4765 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4767 ,@(mapcar (lambda (c)
4768 (vector (caddr c) (car c) :active t))
4769 gnus-mime-button-commands)))
4771 (defvar gnus-url-button-commands
4772 '((gnus-article-copy-string "u" "Copy URL to kill ring")))
4774 (defvar gnus-url-button-map
4775 (let ((map (make-sparse-keymap)))
4776 (dolist (c gnus-url-button-commands)
4777 (define-key map (cadr c) (car c)))
4781 gnus-url-button-menu gnus-url-button-map "URL button menu."
4783 ,@(mapcar (lambda (c)
4784 (vector (caddr c) (car c) :active t))
4785 gnus-url-button-commands)))
4787 (defmacro gnus-bind-safe-url-regexp (&rest body)
4788 "Bind `mm-w3m-safe-url-regexp' according to `gnus-safe-html-newsgroups'."
4789 `(let ((mm-w3m-safe-url-regexp
4790 (let ((group (if (and (eq major-mode 'gnus-article-mode)
4792 gnus-article-current-summary))
4793 (with-current-buffer gnus-article-current-summary
4794 gnus-newsgroup-name)
4795 gnus-newsgroup-name)))
4796 (if (cond ((not group)
4797 ;; Maybe we're in a mml-preview buffer
4798 ;; and no group is selected.
4800 ((stringp gnus-safe-html-newsgroups)
4801 (string-match gnus-safe-html-newsgroups group))
4802 ((consp gnus-safe-html-newsgroups)
4803 (member group gnus-safe-html-newsgroups)))
4805 mm-w3m-safe-url-regexp))))
4808 (defun gnus-mime-button-menu (event prefix)
4809 "Construct a context-sensitive menu of MIME commands."
4810 (interactive "e\nP")
4811 (save-window-excursion
4812 (let ((pos (event-start event)))
4813 (select-window (posn-window pos))
4814 (goto-char (posn-point pos))
4815 (gnus-article-check-buffer)
4816 (popup-menu gnus-mime-button-menu nil prefix))))
4818 (defun gnus-mime-view-all-parts (&optional handles)
4819 "View all the MIME parts."
4821 (with-current-buffer gnus-article-buffer
4822 (let ((handles (or handles gnus-article-mime-handles))
4823 (mail-parse-charset gnus-newsgroup-charset)
4824 (mail-parse-ignored-charsets
4825 (with-current-buffer gnus-summary-buffer
4826 gnus-newsgroup-ignored-charsets)))
4828 (mm-remove-parts handles)
4829 (goto-char (point-min))
4830 (or (search-forward "\n\n") (goto-char (point-max)))
4831 (let ((inhibit-read-only t))
4832 (delete-region (point) (point-max))
4833 (gnus-bind-safe-url-regexp (mm-display-parts handles)))))))
4835 (defun gnus-article-jump-to-part (n)
4836 "Jump to MIME part N."
4838 (let ((parts (with-current-buffer gnus-article-buffer
4839 (length gnus-article-mime-handle-alist))))
4841 (error "No such part"))
4842 (pop-to-buffer gnus-article-buffer)
4843 ;; FIXME: why is it necessary?
4846 (setq n (if (= parts 1)
4848 (read-number (format "Jump to part (1..%s): " parts)))))
4849 (unless (and (integerp n) (<= n parts) (>= n 1))
4852 (gnus-message 7 "Invalid part `%s', using %s instead."
4855 (gnus-message 9 "Jumping to part %s." n)
4856 (cond ((>= gnus-auto-select-part 1)
4857 (while (and (<= n parts)
4858 (not (gnus-article-goto-part n)))
4860 ((< gnus-auto-select-part 0)
4861 (while (and (>= n 1)
4862 (not (gnus-article-goto-part n)))
4865 (gnus-article-goto-part n)))))
4867 (defvar gnus-mime-buttonized-part-id nil
4868 "ID of a mime part that should be buttonized.
4869 `gnus-mime-save-part-and-strip' and `gnus-mime-delete-part' bind it.")
4872 (defsubst gnus-article-edit-part (handles &optional current-id)
4873 "Edit an article in order to delete a mime part.
4874 This function is exclusively used by `gnus-mime-save-part-and-strip'
4875 and `gnus-mime-delete-part', and not provided at run-time normally."
4876 (gnus-article-edit-article
4878 (buffer-disable-undo)
4880 (let ((mail-parse-charset (or gnus-article-charset
4881 ',gnus-newsgroup-charset))
4882 (mail-parse-ignored-charsets
4883 (or gnus-article-ignored-charsets
4884 ',gnus-newsgroup-ignored-charsets))
4885 (mbl mml-buffer-list))
4886 (setq mml-buffer-list nil)
4887 (insert-buffer-substring gnus-original-article-buffer)
4888 (mime-to-mml ',handles)
4889 (setq gnus-article-mime-handles nil)
4890 (let ((mbl1 mml-buffer-list))
4891 (setq mml-buffer-list mbl)
4892 (set (make-local-variable 'mml-buffer-list) mbl1))
4893 (gnus-make-local-hook 'kill-buffer-hook)
4894 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4895 `(lambda (no-highlight)
4896 (let ((mail-parse-charset (or gnus-article-charset
4897 ',gnus-newsgroup-charset))
4898 (message-options message-options)
4899 (message-options-set-recipient)
4900 (mail-parse-ignored-charsets
4901 (or gnus-article-ignored-charsets
4902 ',gnus-newsgroup-ignored-charsets)))
4904 (mml-destroy-buffers)
4905 (remove-hook 'kill-buffer-hook
4906 'mml-destroy-buffers t)
4907 (kill-local-variable 'mml-buffer-list))
4908 (gnus-summary-edit-article-done
4909 ,(or (mail-header-references gnus-current-headers) "")
4910 ,(gnus-group-read-only-p)
4911 ,gnus-summary-buffer no-highlight))
4913 ;; Force buttonizing this part.
4914 (let ((gnus-mime-buttonized-part-id current-id))
4915 (gnus-article-edit-done))
4916 (gnus-configure-windows 'article)
4917 (when (and current-id (integerp gnus-auto-select-part))
4918 (gnus-article-jump-to-part
4919 (min (max (+ current-id gnus-auto-select-part) 1)
4920 (with-current-buffer gnus-article-buffer
4921 (length gnus-article-mime-handle-alist)))))))
4923 (defun gnus-mime-replace-part (file)
4924 "Replace MIME part under point with an external body."
4925 ;; Useful if file has already been saved to disk
4928 (read-file-name "Replace MIME part with file: "
4929 (or mm-default-directory default-directory)
4931 (gnus-mime-save-part-and-strip file))
4933 (defun gnus-mime-save-part-and-strip (&optional file)
4934 "Save the MIME part under point then replace it with an external body.
4935 If FILE is given, use it for the external part."
4937 (gnus-article-check-buffer)
4938 (when (gnus-group-read-only-p)
4939 (error "The current group does not support deleting of parts"))
4940 (when (mm-complicated-handles gnus-article-mime-handles)
4942 The current article has a complicated MIME structure, giving up..."))
4943 (let* ((data (get-text-property (point) 'gnus-data))
4944 (id (get-text-property (point) 'gnus-part))
4946 (handles gnus-article-mime-handles))
4949 (and data (mm-save-part data "Delete MIME part and save to: "))))
4951 (with-current-buffer (mm-handle-buffer data)
4953 (insert "Content-Type: " (mm-handle-media-type data))
4954 (mml-insert-parameter-string (cdr (mm-handle-type data))
4956 ;; Add a filename for the sake of saving the part again.
4957 (mml-insert-parameter
4958 (mail-header-encode-parameter "name" (file-name-nondirectory file)))
4960 (insert "Content-ID: " (message-make-message-id) "\n")
4961 (insert "Content-Transfer-Encoding: binary\n")
4964 (cdr (mm-make-handle nil
4965 `("message/external-body"
4966 (access-type . "LOCAL-FILE")
4968 ;; (set-buffer gnus-summary-buffer)
4969 (gnus-article-edit-part handles id))))
4971 ;; A function like `gnus-summary-save-parts' (`X m', `<MIME> <Extract all
4972 ;; parts...>') but with stripping would be nice.
4974 (defun gnus-mime-delete-part ()
4975 "Delete the MIME part under point.
4976 Replace it with some information about the removed part."
4978 (gnus-article-check-buffer)
4979 (when (gnus-group-read-only-p)
4980 (error "The current group does not support deleting of parts"))
4981 (when (mm-complicated-handles gnus-article-mime-handles)
4983 The current article has a complicated MIME structure, giving up..."))
4984 (when (or gnus-expert-user
4985 (gnus-yes-or-no-p "\
4986 Deleting parts may malfunction or destroy the article; continue? "))
4987 (let* ((data (get-text-property (point) 'gnus-data))
4988 (id (get-text-property (point) 'gnus-part))
4989 (handles gnus-article-mime-handles)
4992 (let ((desc (mm-handle-description data)))
4994 (mail-decode-encoded-word-string desc))))
4996 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4998 (type (mm-handle-media-type data)))
5000 (error "No MIME part under point"))
5001 (with-current-buffer (mm-handle-buffer data)
5002 (let ((bsize (buffer-size)))
5007 "| The following attachment has been deleted:\n"
5009 "| Type: " type "\n"
5010 "| Filename: " filename "\n"
5011 "| Size (encoded): " (format "%s byte%s\n"
5012 bsize (if (= bsize 1)
5016 (concat "| Description: " description "\n"))
5019 (cdr (mm-make-handle
5020 nil `("text/plain" (charset . gnus-decoded)) nil nil
5022 (format "Deleted attachment (%s bytes)" bsize))))))
5023 ;; (set-buffer gnus-summary-buffer)
5024 (gnus-article-edit-part handles id))))
5026 (defun gnus-mime-save-part ()
5027 "Save the MIME part under point."
5029 (gnus-article-check-buffer)
5030 (let ((data (get-text-property (point) 'gnus-data)))
5032 (mm-save-part data))))
5034 (defun gnus-mime-pipe-part (&optional cmd)
5035 "Pipe the MIME part under point to a process.
5036 Use CMD as the process."
5038 (gnus-article-check-buffer)
5039 (let ((data (get-text-property (point) 'gnus-data)))
5041 (mm-pipe-part data cmd))))
5043 (defun gnus-mime-view-part ()
5044 "Interactively choose a viewing method for the MIME part under point."
5046 (gnus-article-check-buffer)
5047 (let ((data (get-text-property (point) 'gnus-data)))
5049 (setq gnus-article-mime-handles
5051 gnus-article-mime-handles (setq data (copy-sequence data))))
5052 (mm-interactively-view-part data))))
5054 (defun gnus-mime-view-part-as-type-internal ()
5055 (gnus-article-check-buffer)
5056 (let* ((handle (get-text-property (point) 'gnus-data))
5058 ;; Content-Type: foo/bar; name=...
5059 (mail-content-type-get (mm-handle-type handle) 'name)
5060 ;; Content-Disposition: attachment; filename=...
5061 (cdr (assq 'filename (cdr (mm-handle-disposition handle))))))
5062 (def-type (and name (mm-default-file-encoding name))))
5063 (or (and def-type (cons def-type 0))
5065 (equal (mm-handle-media-supertype handle) "text")
5066 '("text/plain" . 0))
5067 '("application/octet-stream" . 0))))
5069 (defun gnus-mime-view-part-as-type (&optional mime-type pred)
5070 "Choose a MIME media type, and view the part as such.
5071 If non-nil, PRED is a predicate to use during completion to limit the
5072 available media-types."
5076 (let ((default (gnus-mime-view-part-as-type-internal)))
5077 (gnus-completing-read
5080 (gnus-remove-if-not pred (mailcap-mime-types))
5081 (mailcap-mime-types))
5084 (gnus-article-check-buffer)
5085 (let ((handle (get-text-property (point) 'gnus-data)))
5087 (when (equal (mm-handle-media-type handle) "message/external-body")
5088 (unless (mm-handle-cache handle)
5089 (mm-extern-cache-contents handle))
5090 (setq handle (mm-handle-cache handle)))
5092 (mm-make-handle (mm-handle-buffer handle)
5093 (cons mime-type (cdr (mm-handle-type handle)))
5094 (mm-handle-encoding handle)
5095 (mm-handle-undisplayer handle)
5096 (mm-handle-disposition handle)
5097 (mm-handle-description handle)
5099 (mm-handle-id handle)))
5100 (setq gnus-article-mime-handles
5101 (mm-merge-handles gnus-article-mime-handles handle))
5102 (when (mm-handle-displayed-p handle)
5103 (mm-remove-part handle))
5104 (gnus-mm-display-part handle))))
5106 (defun gnus-mime-copy-part (&optional handle arg)
5107 "Put the MIME part under point into a new buffer.
5108 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
5110 (interactive (list nil current-prefix-arg))
5111 (gnus-article-check-buffer)
5113 (setq handle (get-text-property (point) 'gnus-data)))
5115 (let ((filename (or (mail-content-type-get (mm-handle-type handle)
5117 (mail-content-type-get (mm-handle-disposition handle)
5119 contents dont-decode charset coding-system)
5120 (mm-with-unibyte-buffer
5121 (mm-insert-part handle)
5122 (setq contents (or (condition-case nil
5123 (mm-decompress-buffer filename nil 'sig)
5125 (setq dont-decode t)
5128 (setq filename (cond (filename (file-name-nondirectory filename))
5129 (dont-decode "*raw data*")
5134 (unless (setq charset (mail-content-type-get
5135 (mm-handle-type handle) 'charset))
5136 (unless (setq coding-system (mm-with-unibyte-buffer
5138 (mm-find-buffer-file-coding-system)))
5139 (setq charset gnus-newsgroup-charset))))
5141 (setq charset (or (cdr (assq arg
5142 gnus-summary-show-article-charset-alist))
5143 (mm-read-coding-system "Charset: ")))))
5144 (switch-to-buffer (generate-new-buffer filename))
5145 (if (or coding-system
5147 (setq coding-system (mm-charset-to-coding-system charset))
5148 (not (eq coding-system 'ascii))))
5150 (mm-enable-multibyte)
5151 (insert (mm-decode-coding-string contents coding-system))
5152 (setq buffer-file-coding-system
5153 (if (boundp 'last-coding-system-used)
5154 (symbol-value 'last-coding-system-used)
5156 (mm-disable-multibyte)
5158 (setq buffer-file-coding-system mm-binary-coding-system))
5159 ;; We do it this way to make `normal-mode' set the appropriate mode.
5162 (setq buffer-file-name (expand-file-name filename))
5164 (setq buffer-file-name nil))
5165 (goto-char (point-min)))))
5167 (defun gnus-mime-print-part (&optional handle filename)
5168 "Print the MIME part under point."
5169 (interactive (list nil (ps-print-preprint current-prefix-arg)))
5170 (gnus-article-check-buffer)
5171 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
5172 (contents (and handle (mm-get-part handle)))
5173 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
5174 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
5179 (mm-save-part-to-file handle file)
5180 (call-process shell-file-name nil
5181 (generate-new-buffer " *mm*")
5183 shell-command-switch
5185 printer file (mm-handle-type handle))))
5189 (gnus-print-buffer))
5190 (ps-despool filename)))))
5192 (defun gnus-mime-inline-part (&optional handle arg)
5193 "Insert the MIME part under point into the current buffer.
5194 Compressed files like .gz and .bz2 are decompressed."
5195 (interactive (list nil current-prefix-arg))
5196 (gnus-article-check-buffer)
5198 (setq handle (get-text-property (point) 'gnus-data)))
5201 (inhibit-read-only t)
5202 contents charset coding-system)
5203 (if (and (not arg) (mm-handle-undisplayer handle))
5204 (mm-remove-part handle)
5205 (mm-with-unibyte-buffer
5206 (mm-insert-part handle)
5208 (or (mm-decompress-buffer
5209 (or (mail-content-type-get (mm-handle-type handle)
5211 (mail-content-type-get (mm-handle-disposition handle)
5217 (unless (setq charset (mail-content-type-get
5218 (mm-handle-type handle) 'charset))
5219 (unless (setq coding-system
5220 (mm-with-unibyte-buffer
5222 (mm-find-buffer-file-coding-system)))
5223 (setq charset gnus-newsgroup-charset))))
5225 (if (mm-handle-undisplayer handle)
5226 (mm-remove-part handle))
5229 gnus-summary-show-article-charset-alist))
5230 (mm-read-coding-system "Charset: "))))
5232 (if (mm-handle-undisplayer handle)
5233 (mm-remove-part handle))))
5237 (if (or coding-system
5240 (mm-charset-to-coding-system charset))
5241 (not (eq coding-system 'ascii))))
5242 (mm-decode-coding-string contents coding-system)
5243 (mm-string-to-multibyte contents)))
5246 (defun gnus-mime-set-charset-parameters (handle charset)
5247 "Set CHARSET to parameters in HANDLE.
5248 CHARSET may either be a string or a symbol."
5249 (unless (stringp charset)
5250 (setq charset (symbol-name charset)))
5251 (if (stringp (car handle))
5252 (dolist (h (cdr handle))
5253 (gnus-mime-set-charset-parameters h charset))
5254 (let* ((type (mm-handle-type (if (equal (mm-handle-media-type handle)
5255 "message/external-body")
5257 (unless (mm-handle-cache handle)
5258 (mm-extern-cache-contents handle))
5259 (mm-handle-cache handle))
5261 (param (assq 'charset (cdr type))))
5263 (setcdr param charset)
5264 (setcdr type (cons (cons 'charset charset) (cdr type)))))))
5266 (defun gnus-mime-view-part-as-charset (&optional handle arg)
5267 "Insert the MIME part under point into the current buffer using the
5269 (interactive (list nil current-prefix-arg))
5270 (gnus-article-check-buffer)
5271 (let ((handle (or handle (get-text-property (point) 'gnus-data)))
5272 (fun (get-text-property (point) 'gnus-callback))
5273 (gnus-newsgroup-ignored-charsets 'gnus-all)
5274 charset form preferred parts)
5281 gnus-summary-show-article-charset-alist))
5282 (mm-read-coding-system "Charset: "))))
5283 (if (mm-handle-undisplayer handle)
5284 (mm-remove-part handle)))
5285 (gnus-mime-set-charset-parameters handle charset)
5286 (when (and (consp (setq form (cdr-safe fun)))
5287 (setq form (ignore-errors
5288 (assq 'gnus-mime-display-alternative form)))
5289 (setq preferred (caddr form))
5291 (when (eq (car preferred) 'quote)
5292 (setq preferred (cadr preferred)))
5293 (not (equal preferred
5294 (get-text-property (point) 'gnus-data))))
5295 (setq parts (get-text-property (point) 'gnus-part))
5296 (setq parts (cdr (assq parts
5297 gnus-article-mime-handle-alist)))
5298 (equal (mm-handle-media-type parts) "multipart/alternative")
5299 (setq parts (reverse (cdr parts))))
5301 (list 'quote (or (cadr (member preferred parts))
5303 (funcall fun handle)))))
5305 (defun gnus-mime-view-part-externally (&optional handle)
5306 "View the MIME part under point with an external viewer."
5308 (gnus-article-check-buffer)
5309 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
5310 (mm-user-display-methods nil)
5311 (mm-inlined-types nil)
5312 (mail-parse-charset gnus-newsgroup-charset)
5313 (mail-parse-ignored-charsets
5314 (with-current-buffer gnus-summary-buffer
5315 gnus-newsgroup-ignored-charsets))
5316 (type (mm-handle-media-type handle))
5317 (method (mailcap-mime-info type))
5318 (mm-enable-external t))
5319 (if (not (stringp method))
5320 (gnus-mime-view-part-as-type
5321 nil (lambda (type) (stringp (mailcap-mime-info type))))
5323 (mm-display-part handle nil t)))))
5325 (defun gnus-mime-view-part-internally (&optional handle)
5326 "View the MIME part under point with an internal viewer.
5327 If no internal viewer is available, use an external viewer."
5329 (gnus-article-check-buffer)
5330 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
5331 (mm-inlined-types '(".*"))
5332 (mm-inline-large-images t)
5333 (mail-parse-charset gnus-newsgroup-charset)
5334 (mail-parse-ignored-charsets
5335 (with-current-buffer gnus-summary-buffer
5336 gnus-newsgroup-ignored-charsets))
5337 (inhibit-read-only t))
5338 (if (not (mm-inlinable-p handle))
5339 (gnus-mime-view-part-as-type
5340 nil (lambda (type) (mm-inlinable-p handle type)))
5342 (gnus-bind-safe-url-regexp (mm-display-part handle))))))
5344 (defun gnus-mime-action-on-part (&optional action)
5345 "Do something with the MIME attachment at \(point\)."
5347 (list (gnus-completing-read "Action" (mapcar 'car gnus-mime-action-alist) t)))
5348 (gnus-article-check-buffer)
5349 (let ((action-pair (assoc action gnus-mime-action-alist)))
5351 (funcall (cdr action-pair)))))
5353 (defun gnus-article-part-wrapper (n function &optional no-handle interactive)
5354 "Call FUNCTION on MIME part N.
5355 Unless NO-HANDLE, call FUNCTION with N-th MIME handle as it's only argument.
5356 If INTERACTIVE, call FUNCTION interactivly."
5358 ;; Check whether the article is displayed.
5359 (unless (and (gnus-buffer-live-p gnus-article-buffer)
5360 (setq window (get-buffer-window gnus-article-buffer t))
5361 (frame-visible-p (setq frame (window-frame window))))
5362 (error "No article is displayed"))
5363 (with-current-buffer gnus-article-buffer
5364 ;; Check whether the article displays the right contents.
5365 (unless (with-current-buffer gnus-summary-buffer
5366 (eq gnus-current-article (gnus-summary-article-number)))
5367 (error "You should select the right article first"))
5369 (setq n (prefix-numeric-value n))
5371 (setq n (or (get-text-property pt 'gnus-part)
5373 (get-text-property (1- pt) 'gnus-part))
5374 (get-text-property (prog2
5380 (or (and (setq pt (previous-single-property-change
5383 (next-single-property-change (point) 'gnus-part)
5387 ;; Check whether the specified part exists.
5388 (when (> n (length gnus-article-mime-handle-alist))
5389 (error "No such part")))
5392 ;; To select the window is needed so that the cursor
5393 ;; might be visible on the MIME button.
5394 (select-window (prog1
5396 (setq window (selected-window))
5397 ;; Article may be displayed in the other frame.
5398 (gnus-select-frame-set-input-focus
5401 (setq frame (selected-frame))))))
5402 (when (gnus-article-goto-part n)
5403 ;; We point the cursor and the arrow at the MIME button
5404 ;; when the `function' prompt the user for something.
5405 (unless (and (pos-visible-in-window-p)
5406 (> (count-lines (point) (window-end))
5407 (/ (1- (window-height)) 3)))
5408 (recenter (/ (1- (window-height)) 3)))
5409 (let ((cursor-in-non-selected-windows t)
5410 (overlay-arrow-string "=>")
5411 (overlay-arrow-position (point-marker)))
5414 ((and no-handle interactive)
5415 (call-interactively function))
5420 function (get-text-property (point) 'gnus-data)))
5423 (get-text-property (point) 'gnus-data))))
5424 (set-marker overlay-arrow-position nil)
5425 (unless gnus-auto-select-part
5426 (gnus-select-frame-set-input-focus frame)
5427 (select-window window))))
5429 (if gnus-inhibit-mime-unbuttonizing
5430 ;; This is the default though the program shouldn't reach here.
5431 (error "No such part")
5432 ;; The part which doesn't have the MIME button is selected.
5433 ;; So, we display all the buttons and redo it.
5434 (let ((gnus-inhibit-mime-unbuttonizing t))
5435 (gnus-summary-show-article)
5436 (gnus-article-part-wrapper n function no-handle))))))
5438 (defun gnus-article-pipe-part (n)
5439 "Pipe MIME part N, which is the numerical prefix."
5441 (gnus-article-part-wrapper n 'mm-pipe-part))
5443 (defun gnus-article-save-part (n)
5444 "Save MIME part N, which is the numerical prefix."
5446 (gnus-article-part-wrapper n 'mm-save-part))
5448 (defun gnus-article-interactively-view-part (n)
5449 "View MIME part N interactively, which is the numerical prefix."
5451 (gnus-article-part-wrapper n 'mm-interactively-view-part))
5453 (defun gnus-article-copy-part (n)
5454 "Copy MIME part N, which is the numerical prefix."
5456 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
5458 (defun gnus-article-view-part-as-charset (n)
5459 "View MIME part N using a specified charset.
5460 N is the numerical prefix."
5462 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
5464 (defun gnus-article-view-part-externally (n)
5465 "View MIME part N externally, which is the numerical prefix."
5467 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
5469 (defun gnus-article-inline-part (n)
5470 "Inline MIME part N, which is the numerical prefix."
5472 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
5474 (defun gnus-article-save-part-and-strip (n)
5475 "Save MIME part N and replace it with an external body.
5476 N is the numerical prefix."
5478 (gnus-article-part-wrapper n 'gnus-mime-save-part-and-strip t))
5480 (defun gnus-article-replace-part (n)
5481 "Replace MIME part N with an external body.
5482 N is the numerical prefix."
5484 (gnus-article-part-wrapper n 'gnus-mime-replace-part t t))
5486 (defun gnus-article-delete-part (n)
5487 "Delete MIME part N and add some information about the removed part.
5488 N is the numerical prefix."
5490 (gnus-article-part-wrapper n 'gnus-mime-delete-part t))
5492 (defun gnus-article-view-part-as-type (n)
5493 "Choose a MIME media type, and view part N as such.
5494 N is the numerical prefix."
5496 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-type t))
5498 (defun gnus-article-mime-match-handle-first (condition)
5501 (dolist (ihandle gnus-article-mime-handle-alist)
5503 ((functionp condition)
5504 (funcall condition (cdr ihandle)))
5505 ((eq condition 'undisplayed)
5506 (not (or (mm-handle-undisplayer (cdr ihandle))
5507 (equal (mm-handle-media-type (cdr ihandle))
5508 "multipart/alternative"))))
5509 ((eq condition 'undisplayed-alternative)
5510 (not (mm-handle-undisplayer (cdr ihandle))))
5512 (gnus-article-goto-part (car ihandle))
5513 (or (not n) (< (car ihandle) n)))
5514 (setq n (car ihandle))))
5518 (defun gnus-article-view-part (&optional n)
5519 "View MIME part N, which is the numerical prefix.
5520 If the part is already shown, hide the part. If N is nil, view
5523 (with-current-buffer gnus-article-buffer
5524 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
5525 gnus-article-mime-match-handle-function)))
5526 (when (> n (length gnus-article-mime-handle-alist))
5527 (error "No such part"))
5528 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
5529 (when (gnus-article-goto-part n)
5530 (if (equal (car handle) "multipart/alternative")
5531 (gnus-article-press-button)
5532 (when (eq (gnus-mm-display-part handle) 'internal)
5533 (gnus-set-window-start)))))))
5535 (defsubst gnus-article-mime-total-parts ()
5536 (if (bufferp (car gnus-article-mime-handles))
5538 (1- (length gnus-article-mime-handles))))
5540 (defun gnus-mm-display-part (handle)
5541 "Display HANDLE and fix MIME button."
5542 (let ((id (get-text-property (point) 'gnus-part))
5544 (inhibit-read-only t))
5547 (let ((window (selected-window))
5548 (mail-parse-charset gnus-newsgroup-charset)
5549 (mail-parse-ignored-charsets
5550 (if (gnus-buffer-live-p gnus-summary-buffer)
5551 (with-current-buffer gnus-summary-buffer
5552 gnus-newsgroup-ignored-charsets)
5556 (let ((win (gnus-get-buffer-window (current-buffer) t))
5559 (select-window win))
5562 (if (mm-handle-displayed-p handle)
5563 ;; This will remove the part.
5564 (mm-display-part handle)
5566 (narrow-to-region (point)
5567 (if (eobp) (point) (1+ (point))))
5568 (gnus-bind-safe-url-regexp (mm-display-part handle))
5569 ;; We narrow to the part itself and
5570 ;; then call the treatment functions.
5571 (goto-char (point-min))
5573 (narrow-to-region (point) (point-max))
5576 (gnus-article-mime-total-parts)
5577 (mm-handle-media-type handle)))))
5578 (if (window-live-p window)
5579 (select-window window)))))
5582 (gnus-insert-mime-button
5583 handle id (list (mm-handle-displayed-p handle)))
5584 (goto-char point))))
5586 (defun gnus-article-goto-part (n)
5587 "Go to MIME part N."
5588 (when gnus-break-pages
5591 (let ((start (text-property-any (point-min) (point-max) 'gnus-part n))
5592 part handle end next handles)
5595 (if (setq handle (get-text-property start 'gnus-data))
5597 ;; Go to the displayed subpart, assuming this is
5598 ;; multipart/alternative.
5601 (while (and (not handle)
5604 (setq next (text-property-not-all part end
5607 handle (get-text-property part 'gnus-data))
5608 (push (cons handle part) handles)
5609 (unless (mm-handle-displayed-p handle)
5611 part (text-property-any part end 'gnus-data nil))))
5613 ;; No subpart is displayed, so we find preferred one.
5615 (cdr (assq (mm-preferred-alternative
5616 (nreverse (mapcar 'car handles)))
5619 (goto-char (1+ part))
5621 (when gnus-break-pages
5622 (gnus-narrow-to-page))))
5624 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
5625 (let ((gnus-tmp-name
5626 (or (mail-content-type-get (mm-handle-type handle) 'name)
5627 (mail-content-type-get (mm-handle-disposition handle) 'filename)
5628 (mail-content-type-get (mm-handle-type handle) 'url)
5630 (gnus-tmp-type (mm-handle-media-type handle))
5631 (gnus-tmp-description (or (mm-handle-description handle) ""))
5633 (if (if displayed (car displayed)
5634 (mm-handle-displayed-p handle))
5636 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
5638 gnus-tmp-type-long b e)
5639 (when (string-match ".*/" gnus-tmp-name)
5640 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
5641 (setq gnus-tmp-type-long (concat gnus-tmp-type
5642 (and (not (equal gnus-tmp-name ""))
5643 (concat "; " gnus-tmp-name))))
5644 (unless (equal gnus-tmp-description "")
5645 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
5650 gnus-mime-button-line-format gnus-mime-button-line-format-alist
5651 `(keymap ,gnus-mime-button-map
5652 gnus-callback gnus-mm-display-part
5653 gnus-part ,gnus-tmp-id
5654 article-type annotation
5657 ;; Exclude a newline.
5660 (when gnus-article-button-face
5661 (gnus-overlay-put (gnus-make-overlay b e nil t)
5662 'face gnus-article-button-face))
5663 (widget-convert-button
5666 :action 'gnus-widget-press-button
5667 :button-keymap gnus-mime-button-map
5670 ;; Needed to properly clear the message due to a bug in
5671 ;; wid-edit (XEmacs only).
5672 (if (boundp 'help-echo-owns-message)
5673 (setq help-echo-owns-message t))
5675 "%S: %s the MIME part; %S: more options"
5676 (aref gnus-mouse-2 0)
5677 (if (mm-handle-displayed-p (widget-get widget :mime-handle))
5679 (aref gnus-down-mouse-3 0))))))
5681 (defun gnus-widget-press-button (elems el)
5682 (goto-char (widget-get elems :from))
5683 (gnus-article-press-button))
5685 (defvar gnus-displaying-mime nil)
5687 (defun gnus-display-mime (&optional ihandles)
5688 "Display the MIME parts."
5690 (save-selected-window
5691 (let ((window (get-buffer-window gnus-article-buffer))
5694 (select-window window)
5695 ;; We have to do this since selecting the window
5696 ;; may change the point. So we set the window point.
5697 (set-window-point window point)))
5698 (let ((handles ihandles)
5699 (inhibit-read-only t)
5702 ((setq handles (mm-dissect-buffer nil gnus-article-loose-mime))
5703 (when gnus-article-emulate-mime
5704 (mm-uu-dissect-text-parts handles)))
5705 (gnus-article-emulate-mime
5706 (setq handles (mm-uu-dissect))))
5707 (when (and (not ihandles)
5708 (not gnus-displaying-mime))
5709 ;; Top-level call; we clean up.
5710 (when gnus-article-mime-handles
5711 (mm-destroy-parts gnus-article-mime-handles)
5712 (setq gnus-article-mime-handle-alist nil));; A trick.
5713 (setq gnus-article-mime-handles handles)
5714 ;; We allow users to glean info from the handles.
5715 (when gnus-article-mime-part-function
5716 (gnus-mime-part-function handles)))
5718 (or (not (stringp (car handles)))
5721 (when (and (not ihandles)
5722 (not gnus-displaying-mime))
5723 ;; Clean up for mime parts.
5725 (delete-region (point) (point-max)))
5726 (let ((gnus-displaying-mime t))
5727 (gnus-mime-display-part handles)))
5730 (narrow-to-region (point) (point-max))
5731 (gnus-treat-article nil 1 1 "text/plain")
5734 ;; Highlight the headers.
5738 (narrow-to-region (point-min) (point))
5739 (gnus-article-save-original-date
5740 (gnus-treat-article 'head)))))))
5741 ;; Cope with broken MIME messages.
5742 (goto-char (point-max))
5746 (defcustom gnus-mime-display-multipart-as-mixed nil
5747 "Display \"multipart\" parts as \"multipart/mixed\".
5749 If t, it overrides nil values of
5750 `gnus-mime-display-multipart-alternative-as-mixed' and
5751 `gnus-mime-display-multipart-related-as-mixed'."
5752 :group 'gnus-article-mime
5755 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
5756 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
5758 :group 'gnus-article-mime
5761 (defcustom gnus-mime-display-multipart-related-as-mixed nil
5762 "Display \"multipart/related\" parts as \"multipart/mixed\".
5764 If displaying \"text/html\" is discouraged \(see
5765 `mm-discouraged-alternatives'\) images or other material inside a
5766 \"multipart/related\" part might be overlooked when this variable is nil."
5768 :group 'gnus-article-mime
5771 (defun gnus-mime-display-part (handle)
5773 ;; Maybe a broken MIME message.
5776 ((not (stringp (car handle)))
5777 (gnus-mime-display-single handle))
5778 ;; User-defined multipart
5779 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
5780 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
5782 ;; multipart/alternative
5783 ((and (equal (car handle) "multipart/alternative")
5784 (not (or gnus-mime-display-multipart-as-mixed
5785 gnus-mime-display-multipart-alternative-as-mixed)))
5786 (let ((id (1+ (length gnus-article-mime-handle-alist))))
5787 (push (cons id handle) gnus-article-mime-handle-alist)
5788 (gnus-mime-display-alternative (cdr handle) nil nil id)))
5789 ;; multipart/related
5790 ((and (equal (car handle) "multipart/related")
5791 (not (or gnus-mime-display-multipart-as-mixed
5792 gnus-mime-display-multipart-related-as-mixed)))
5793 ;;;!!!We should find the start part, but we just default
5794 ;;;!!!to the first part.
5795 ;;(gnus-mime-display-part (cadr handle))
5796 ;;;!!! Most multipart/related is an HTML message plus images.
5797 ;;;!!! Unfortunately we are unable to let W3 display those
5798 ;;;!!! included images, so we just display it as a mixed multipart.
5799 ;;(gnus-mime-display-mixed (cdr handle))
5800 ;;;!!! No, w3 can display everything just fine.
5801 (gnus-mime-display-part (cadr handle)))
5802 ((equal (car handle) "multipart/signed")
5803 (gnus-add-wash-type 'signed)
5804 (gnus-mime-display-security handle))
5805 ((equal (car handle) "multipart/encrypted")
5806 (gnus-add-wash-type 'encrypted)
5807 (gnus-mime-display-security handle))
5808 ;; Other multiparts are handled like multipart/mixed.
5810 (gnus-mime-display-mixed (cdr handle)))))
5812 (defun gnus-mime-part-function (handles)
5813 (if (stringp (car handles))
5814 (mapcar 'gnus-mime-part-function (cdr handles))
5815 (funcall gnus-article-mime-part-function handles)))
5817 (defun gnus-mime-display-mixed (handles)
5818 (mapcar 'gnus-mime-display-part handles))
5820 (defun gnus-mime-display-single (handle)
5821 (let ((type (mm-handle-media-type handle))
5822 (ignored gnus-ignored-mime-types)
5829 (when (string-match (pop ignored) type)
5830 (throw 'ignored nil)))
5831 (if (and (setq not-attachment
5832 (and (not (mm-inline-override-p handle))
5833 (or (not (mm-handle-disposition handle))
5834 (equal (car (mm-handle-disposition handle))
5836 (mm-attachment-override-p handle))))
5837 (mm-automatic-display-p handle)
5839 (mm-inlinable-p handle)
5840 (mm-inlined-p handle))
5841 (mm-automatic-external-display-p type)))
5843 (when (equal (mm-handle-media-supertype handle) "text")
5845 (let ((id (1+ (length gnus-article-mime-handle-alist)))
5847 (push (cons id handle) gnus-article-mime-handle-alist)
5849 (equal (mm-handle-media-supertype handle) "message"))
5852 (cond ((not (bolp)) 2)
5853 ((or (bobp) (eq (char-before (1- (point))) ?\n)) 0)
5855 (when (or (not display)
5856 (not (gnus-unbuttonized-mime-type-p type))
5857 (eq id gnus-mime-buttonized-part-id))
5858 (gnus-insert-mime-button
5859 handle id (list (or display (and not-attachment text))))
5860 (gnus-article-insert-newline)
5861 ;; Remember modify the number of forward lines.
5869 (let ((mail-parse-charset gnus-newsgroup-charset)
5870 (mail-parse-ignored-charsets
5871 (save-excursion (condition-case ()
5872 (set-buffer gnus-summary-buffer)
5874 gnus-newsgroup-ignored-charsets)))
5875 (gnus-bind-safe-url-regexp (mm-display-part handle t)))
5876 (goto-char (point-max)))
5877 ((and text not-attachment)
5881 (gnus-article-insert-newline)
5884 (let ((charset (or (mail-content-type-get (mm-handle-type handle)
5886 (and (equal type "text/calendar") 'utf-8))))
5887 (cond ((not charset)
5888 (mm-string-as-multibyte (mm-get-part handle)))
5889 ((eq charset 'gnus-decoded)
5890 (with-current-buffer (mm-handle-buffer handle)
5893 (mm-decode-string (mm-get-part handle) charset)))))
5894 (goto-char (point-max))))
5898 (narrow-to-region beg (point))
5899 (if (eq handle gnus-article-mime-handles)
5900 ;; The format=flowed case.
5901 (gnus-treat-article nil 1 1 (mm-handle-media-type handle))
5902 ;; Don't count signature parts that are never displayed.
5903 ;; The part number should be re-calculated supposing this
5904 ;; might be a message/rfc822 part.
5906 (dolist (part gnus-article-mime-handles)
5907 (unless (or (stringp part)
5908 (equal (car (mm-handle-type part))
5909 "application/pgp-signature"))
5910 (push part handles)))
5912 nil (length (memq handle handles)) (length handles)
5913 (mm-handle-media-type handle)))))))))))
5915 (defun gnus-unbuttonized-mime-type-p (type)
5916 "Say whether TYPE is to be unbuttonized."
5917 (unless gnus-inhibit-mime-unbuttonizing
5919 (let ((types gnus-unbuttonized-mime-types))
5921 (when (string-match (pop types) type)
5922 (throw 'found t)))))
5924 (let ((types gnus-buttonized-mime-types))
5926 (when (string-match (pop types) type)
5927 (throw 'found t)))))))))
5929 (defun gnus-article-insert-newline ()
5930 "Insert a newline, but mark it as undeletable."
5931 (gnus-put-text-property
5932 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
5934 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
5935 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
5938 handle (inhibit-read-only t) from props begend not-pref)
5939 (save-window-excursion
5942 (narrow-to-region (car ibegend)
5945 (goto-char (car ibegend))
5948 (delete-region (point-min) (point-max))
5949 (mm-remove-parts handles))
5950 (setq begend (list (point-marker)))
5952 (unless (setq not-pref (cadr (member preferred ihandles)))
5953 (setq not-pref (car ihandles)))
5956 (not (gnus-unbuttonized-mime-type-p
5957 "multipart/alternative")))
5958 (gnus-add-text-properties
5961 (insert (format "%d. " id))
5965 (unless ,(not ibegend)
5966 (setq gnus-article-mime-handle-alist
5967 ',gnus-article-mime-handle-alist))
5968 (gnus-mime-display-alternative
5969 ',ihandles ',not-pref ',begend ,id))
5970 keymap ,gnus-mime-button-map
5971 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5972 face ,gnus-article-button-face
5974 article-type multipart))
5975 (widget-convert-button 'link from (point)
5976 :action 'gnus-widget-press-button
5977 :button-keymap gnus-widget-button-keymap)
5979 (while (setq handle (pop handles))
5980 (gnus-add-text-properties
5983 (insert (format "(%c) %-18s"
5984 (if (equal handle preferred) ?* ? )
5985 (mm-handle-media-type handle)))
5989 (unless ,(not ibegend)
5990 (setq gnus-article-mime-handle-alist
5991 ',gnus-article-mime-handle-alist))
5992 (gnus-mime-display-alternative
5993 ',ihandles ',handle ',begend ,id))
5994 keymap ,gnus-mime-button-map
5995 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5996 face ,gnus-article-button-face
5999 (widget-convert-button 'link from (point)
6000 :action 'gnus-widget-press-button
6001 :button-keymap gnus-widget-button-keymap)
6005 (if (stringp (car preferred))
6006 (gnus-display-mime preferred)
6007 (let ((mail-parse-charset gnus-newsgroup-charset)
6008 (mail-parse-ignored-charsets
6009 (with-current-buffer gnus-summary-buffer
6010 gnus-newsgroup-ignored-charsets)))
6011 (gnus-bind-safe-url-regexp (mm-display-part preferred))
6015 (narrow-to-region (car begend) (point-max))
6017 nil (length gnus-article-mime-handle-alist)
6018 (gnus-article-mime-total-parts)
6019 (mm-handle-media-type preferred))))))
6020 (goto-char (point-max))
6021 (setcdr begend (point-marker)))))
6023 (goto-char point))))
6025 (defconst gnus-article-wash-status-strings
6026 (let ((alist '((cite "c" "Possible hidden citation text"
6027 " " "All citation text visible")
6028 (headers "h" "Hidden headers"
6029 " " "All headers visible.")
6030 (pgp "p" "Encrypted or signed message status hidden"
6031 " " "No hidden encryption nor digital signature status")
6032 (signature "s" "Signature has been hidden"
6033 " " "Signature is visible")
6034 (overstrike "o" "Overstrike (^H) characters applied"
6035 " " "No overstrike characters applied")
6036 (emphasis "e" "/*_Emphasis_*/ characters applied"
6037 " " "No /*_emphasis_*/ characters applied")))
6039 (dolist (entry alist result)
6040 (let ((key (nth 0 entry))
6041 (on (copy-sequence (nth 1 entry)))
6042 (on-help (nth 2 entry))
6043 (off (copy-sequence (nth 3 entry)))
6044 (off-help (nth 4 entry)))
6045 (put-text-property 0 1 'help-echo on-help on)
6046 (put-text-property 0 1 'help-echo off-help off)
6047 (push (list key on off) result))))
6048 "Alist of strings describing wash status in the mode line.
6049 Each entry has the form (KEY ON OF), where the KEY is a symbol
6050 representing the particular washing function, ON is the string to use
6051 in the article mode line when the washing function is active, and OFF
6052 is the string to use when it is inactive.")
6054 (defun gnus-article-wash-status-entry (key value)
6055 (let ((entry (assoc key gnus-article-wash-status-strings)))
6056 (if value (nth 1 entry) (nth 2 entry))))
6058 (defun gnus-article-wash-status ()
6059 "Return a string which display status of article washing."
6060 (with-current-buffer gnus-article-buffer
6061 (let ((cite (memq 'cite gnus-article-wash-types))
6062 (headers (memq 'headers gnus-article-wash-types))
6063 (boring (memq 'boring-headers gnus-article-wash-types))
6064 (pgp (memq 'pgp gnus-article-wash-types))
6065 (pem (memq 'pem gnus-article-wash-types))
6066 (signed (memq 'signed gnus-article-wash-types))
6067 (encrypted (memq 'encrypted gnus-article-wash-types))
6068 (signature (memq 'signature gnus-article-wash-types))
6069 (overstrike (memq 'overstrike gnus-article-wash-types))
6070 (emphasis (memq 'emphasis gnus-article-wash-types)))
6072 (gnus-article-wash-status-entry 'cite cite)
6073 (gnus-article-wash-status-entry 'headers (or headers boring))
6074 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
6075 (gnus-article-wash-status-entry 'signature signature)
6076 (gnus-article-wash-status-entry 'overstrike overstrike)
6077 (gnus-article-wash-status-entry 'emphasis emphasis)))))
6079 (defun gnus-add-wash-type (type)
6080 "Add a washing of TYPE to the current status."
6081 (add-to-list 'gnus-article-wash-types type))
6083 (defun gnus-delete-wash-type (type)
6084 "Add a washing of TYPE to the current status."
6085 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
6087 (defun gnus-add-image (category image)
6088 "Add IMAGE of CATEGORY to the list of displayed images."
6089 (let ((entry (assq category gnus-article-image-alist)))
6091 (setq entry (list category))
6092 (push entry gnus-article-image-alist))
6093 (nconc entry (list image))))
6095 (defun gnus-delete-images (category)
6096 "Delete all images in CATEGORY."
6097 (let ((entry (assq category gnus-article-image-alist)))
6098 (dolist (image (cdr entry))
6099 (gnus-remove-image image category))
6100 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
6101 (gnus-delete-wash-type category)))
6103 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
6105 (defun gnus-article-maybe-hide-headers ()
6106 "Hide unwanted headers if `gnus-have-all-headers' is nil.
6107 Provided for backwards compatibility."
6108 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
6109 (not (with-current-buffer gnus-summary-buffer
6110 gnus-have-all-headers)))
6111 (not gnus-inhibit-hiding))
6112 (gnus-article-hide-headers)))
6116 (defun gnus-output-to-file (file-name)
6117 "Append the current article to a file named FILE-NAME.
6118 If `gnus-article-save-coding-system' is non-nil, it is used to encode
6119 text and used as the value of the coding cookie which is added to the
6120 top of a file. Otherwise, this function saves a raw article without
6122 (let* ((artbuf (current-buffer))
6123 (file-name-coding-system nnmail-pathname-coding-system)
6124 (coding gnus-article-save-coding-system)
6125 (coding-system-for-read (if coding
6126 nil ;; Rely on the coding cookie.
6127 mm-text-coding-system))
6128 (coding-system-for-write (or coding
6129 mm-text-coding-system-for-write
6130 mm-text-coding-system))
6131 (exists (file-exists-p file-name)))
6134 (insert-file-contents file-name)
6135 (goto-char (point-min))
6136 ;; Remove the existing coding cookie.
6137 (when (looking-at "X-Gnus-Coding-System: .+\n\n")
6138 (delete-region (match-beginning 0) (match-end 0))))
6139 (goto-char (point-max))
6140 (insert-buffer-substring artbuf)
6141 ;; Append newline at end of the buffer as separator, and then
6143 (goto-char (point-max))
6146 ;; If the coding system is not suitable to encode the text,
6147 ;; ask a user for a proper one.
6148 (when (fboundp 'select-safe-coding-system)
6149 (setq coding (coding-system-base
6150 (save-window-excursion
6151 (select-safe-coding-system (point-min) (point-max)
6153 (setq coding-system-for-write
6154 (or (cdr (assq coding '((mule-utf-8 . utf-8))))
6156 (goto-char (point-min))
6157 ;; Add the coding cookie.
6158 (insert (format "X-Gnus-Coding-System: -*- coding: %s; -*-\n\n"
6159 coding-system-for-write)))
6162 (write-region (point-min) (point-max) file-name nil 'no-message)
6163 (message "Appended to %s" file-name))
6164 (write-region (point-min) (point-max) file-name))))
6167 (defun gnus-narrow-to-page (&optional arg)
6168 "Narrow the article buffer to a page.
6169 If given a numerical ARG, move forward ARG pages."
6171 (setq arg (if arg (prefix-numeric-value arg) 0))
6172 (with-current-buffer gnus-article-buffer
6174 ;; Remove any old next/prev buttons.
6175 (when (gnus-visual-p 'page-marker)
6176 (let ((inhibit-read-only t))
6177 (gnus-remove-text-with-property 'gnus-prev)
6178 (gnus-remove-text-with-property 'gnus-next)))
6180 (when (save-excursion
6182 (if (re-search-backward page-delimiter nil 'move (abs arg))
6184 (setq nd (match-beginning 0)
6186 (when (re-search-backward page-delimiter nil t)
6187 (setq st (match-end 0))))
6188 (when (re-search-forward page-delimiter nil t)
6189 (setq nd (match-beginning 0)
6192 (if (re-search-forward page-delimiter nil 'move arg)
6194 (setq st (match-end 0)
6196 (when (re-search-forward page-delimiter nil t)
6197 (setq nd (match-beginning 0))))
6198 (when (re-search-backward page-delimiter nil t)
6199 (setq st (match-end 0)
6202 (when (re-search-backward page-delimiter nil t)
6203 (goto-char (setq st (match-end 0))))
6204 (when (re-search-forward page-delimiter nil t)
6205 (setq nd (match-beginning 0)))
6207 (setq gnus-page-broken t)
6208 (when pt (goto-char pt))
6209 (narrow-to-region (or st (point-min)) (or nd (point-max)))
6210 (when (gnus-visual-p 'page-marker)
6214 (gnus-insert-next-page-button))
6217 (gnus-insert-prev-page-button))))))))
6219 ;; Article mode commands
6221 (defun gnus-article-goto-next-page ()
6222 "Show the next page of the article."
6224 (when (gnus-article-next-page)
6225 (goto-char (point-min))
6226 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
6229 (defun gnus-article-goto-prev-page ()
6230 "Show the previous page of the article."
6232 (if (save-restriction (widen) (bobp)) ;; Real beginning-of-buffer?
6233 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
6234 (gnus-article-prev-page nil)))
6236 ;; This is cleaner but currently breaks `gnus-pick-mode':
6238 ;; (defun gnus-article-goto-next-page ()
6239 ;; "Show the next page of the article."
6241 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
6242 ;; (gnus-summary-next-page)))
6244 ;; (defun gnus-article-goto-prev-page ()
6245 ;; "Show the next page of the article."
6247 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
6248 ;; (gnus-summary-prev-page)))
6250 (defun gnus-article-next-page (&optional lines)
6251 "Show the next page of the current article.
6252 If end of article, return non-nil. Otherwise return nil.
6253 Argument LINES specifies lines to be scrolled up."
6255 (move-to-window-line (if (featurep 'xemacs) -1 (- -1 scroll-margin)))
6256 (if (and (not (and gnus-article-over-scroll
6257 (> (count-lines (window-start) (point-max))
6258 (if (featurep 'xemacs)
6259 (or lines (1- (window-height)))
6260 (+ (or lines (1- (window-height))) scroll-margin)))))
6263 (and (pos-visible-in-window-p) ;Not continuation line.
6264 (>= (1+ (point)) (point-max))))) ;Allow for trailing newline.
6265 ;; Nothing in this page.
6266 (if (or (not gnus-page-broken)
6271 (eobp)))) ;Real end-of-buffer?
6273 (when gnus-article-over-scroll
6274 (gnus-article-next-page-1 lines))
6276 (gnus-narrow-to-page 1) ;Go to next page.
6278 ;; More in this page.
6279 (gnus-article-next-page-1 lines)
6282 (defun gnus-article-beginning-of-window ()
6283 "Move point to the beginning of the window.
6284 In Emacs, the point is placed at the line number which `scroll-margin'
6286 (if (featurep 'xemacs)
6287 (move-to-window-line 0)
6288 ;; There is an obscure bug in Emacs that makes it impossible to
6289 ;; scroll past big pictures in the article buffer. Try to fix
6290 ;; this by adding a sanity check by counting the lines visible.
6291 (when (> (count-lines (window-start) (window-end)) 30)
6292 (move-to-window-line
6293 (min (max 0 scroll-margin)
6294 (max 1 (- (window-height)
6295 (if mode-line-format 1 0)
6296 (if header-line-format 1 0)
6299 (defun gnus-article-next-page-1 (lines)
6301 (let ((scroll-in-place nil))
6304 ;; Long lines may cause an end-of-buffer error.
6305 (goto-char (point-max))))
6306 (gnus-article-beginning-of-window))
6308 (defun gnus-article-prev-page (&optional lines)
6309 "Show previous page of current article.
6310 Argument LINES specifies lines to be scrolled down."
6312 (move-to-window-line 0)
6313 (if (and gnus-page-broken
6315 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
6317 (gnus-narrow-to-page -1) ;Go to previous page.
6318 (goto-char (point-max))
6319 (recenter (if gnus-article-over-scroll
6321 (max (if (featurep 'xemacs)
6323 (+ lines scroll-margin))
6325 (- (window-height) 2))
6329 (let ((scroll-in-place nil))
6330 (scroll-down lines))
6331 (beginning-of-buffer
6332 (goto-char (point-min))))
6333 (gnus-article-beginning-of-window))))
6335 (defun gnus-article-only-boring-p ()
6336 "Decide whether there is only boring text remaining in the article.
6337 Something \"interesting\" is a word of at least two letters that does
6338 not have a face in `gnus-article-boring-faces'."
6339 (when (and gnus-article-skip-boring
6340 (boundp 'gnus-article-boring-faces)
6341 (symbol-value 'gnus-article-boring-faces))
6343 (let ((inhibit-point-motion-hooks t))
6345 (while (re-search-forward "\\b\\w\\w" nil t)
6347 (when (not (gnus-intersection
6348 (gnus-faces-at (point))
6349 (symbol-value 'gnus-article-boring-faces)))
6350 (throw 'only-boring nil)))
6351 (throw 'only-boring t))))))
6353 (defun gnus-article-refer-article ()
6354 "Read article specified by message-id around point."
6357 (re-search-backward "[ \t]\\|^" (point-at-bol) t)
6358 (re-search-forward "<?news:<?\\|<" (point-at-eol) t)
6359 (if (re-search-forward "[^@ ]+@[^ \t>]+" (point-at-eol) t)
6360 (let ((msg-id (concat "<" (match-string 0) ">")))
6361 (set-buffer gnus-summary-buffer)
6362 (gnus-summary-refer-article msg-id))
6363 (error "No references around point"))))
6365 (defun gnus-article-show-summary ()
6366 "Reconfigure windows to show summary buffer."
6368 (if (not (gnus-buffer-live-p gnus-summary-buffer))
6369 (error "There is no summary buffer for this article buffer")
6370 (gnus-article-set-globals)
6371 (gnus-configure-windows 'article)
6372 (gnus-summary-goto-subject gnus-current-article)
6373 (gnus-summary-position-point)))
6375 (defun gnus-article-describe-briefly ()
6376 "Describe article mode commands briefly."
6378 (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")))
6380 (defun gnus-article-check-buffer ()
6381 "Beep if not in an article buffer."
6382 (unless (equal major-mode 'gnus-article-mode)
6383 (error "Command invoked outside of a Gnus article buffer")))
6385 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
6386 "Read a summary buffer key sequence and execute it from the article buffer."
6388 (gnus-article-check-buffer)
6390 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
6391 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
6392 "=" "^" "\M-^" "|"))
6394 '("A " "A<" "A>" "AM" "AP" "AR" "AT" "A\C-?" "A\M-\r" "A\r" "Ab" "Ae"
6395 "An" "Ap" [?A (meta return)] [?A delete]))
6399 '("n" "Gn" "p" "Gp"))
6401 (with-current-buffer gnus-article-current-summary
6402 (let (gnus-pick-mode)
6403 (setq unread-command-events (nconc unread-command-events
6404 (list (or key last-command-event)))
6405 keys (if (featurep 'xemacs)
6406 (events-to-keys (read-key-sequence nil t))
6407 (read-key-sequence nil t)))))
6412 ((eq (aref keys (1- (length keys))) ?\C-h)
6413 (gnus-article-describe-bindings (substring keys 0 -1)))
6414 ((or (member keys nosaves)
6415 (member keys nosave-but-article)
6416 (member keys nosave-in-article))
6418 (save-window-excursion
6419 (pop-to-buffer gnus-article-current-summary)
6420 ;; We disable the pick minor mode commands.
6421 (let (gnus-pick-mode)
6422 (setq func (key-binding keys t))))
6426 (unless (member keys nosave-in-article)
6427 (set-buffer gnus-article-current-summary))
6428 (call-interactively func)
6429 (setq new-sum-point (point)))
6430 (when (member keys nosave-but-article)
6431 (pop-to-buffer gnus-article-buffer))))
6433 ;; These commands should restore window configuration.
6434 (let ((obuf (current-buffer))
6435 (owin (current-window-configuration))
6436 win func in-buffer selected new-sum-start new-sum-hscroll err)
6437 (cond (not-restore-window
6438 (pop-to-buffer gnus-article-current-summary)
6439 (setq win (selected-window)))
6440 ((setq win (get-buffer-window gnus-article-current-summary))
6441 (select-window win))
6443 (let ((summary-buffer gnus-article-current-summary))
6444 (gnus-configure-windows 'article)
6445 (unless (setq win (get-buffer-window summary-buffer 'visible))
6446 (let ((gnus-buffer-configuration
6447 '((article ((vertical 1.0
6448 (summary 0.25 point)
6450 (gnus-configure-windows 'article))
6451 (setq win (get-buffer-window summary-buffer 'visible)))
6452 (gnus-select-frame-set-input-focus (window-frame win))
6453 (select-window win))))
6454 (setq in-buffer (current-buffer))
6455 ;; We disable the pick minor mode commands.
6456 (if (and (setq func (let (gnus-pick-mode)
6457 (key-binding keys t)))
6459 (condition-case code
6461 (call-interactively func)
6467 (when (eq win (selected-window))
6468 (setq new-sum-point (point)
6469 new-sum-start (window-start win)
6470 new-sum-hscroll (window-hscroll win)))
6471 (when (or (eq in-buffer (current-buffer))
6472 (when (eq obuf (current-buffer))
6473 (set-buffer in-buffer)
6475 (setq selected (gnus-summary-select-article))
6477 (unless not-restore-window
6478 (set-window-configuration owin))
6479 (when (and (eq selected 'old)
6481 (set-window-start (get-buffer-window (current-buffer))
6483 (set-window-point (get-buffer-window (current-buffer))
6484 (if (article-goto-body)
6487 (when (and (not not-restore-window)
6490 (with-current-buffer (window-buffer win)
6491 (eq major-mode 'gnus-summary-mode)))
6492 (set-window-point win new-sum-point)
6493 (set-window-start win new-sum-start)
6494 (set-window-hscroll win new-sum-hscroll))))
6495 (set-window-configuration owin)
6497 (signal (car err) (cdr err))
6500 (defun gnus-article-read-summary-send-keys ()
6502 (let ((unread-command-events (list (gnus-character-to-event ?S))))
6503 (gnus-article-read-summary-keys)))
6505 (defun gnus-article-describe-key (key)
6506 "Display documentation of the function invoked by KEY.
6507 KEY is a string or a vector."
6508 (interactive (list (let ((cursor-in-echo-area t)) ;; better for XEmacs.
6509 (read-key-sequence "Describe key: "))))
6510 (gnus-article-check-buffer)
6511 (if (memq (key-binding key t) '(gnus-article-read-summary-keys
6512 gnus-article-read-summary-send-keys))
6513 (with-current-buffer gnus-article-current-summary
6514 (setq unread-command-events
6515 (if (featurep 'xemacs)
6517 (mapcar (lambda (x) (if (and (integerp x) (>= x 128))
6518 (list 'meta (- x 128))
6521 (let ((cursor-in-echo-area t)
6523 (describe-key (read-key-sequence nil t))))
6524 (describe-key key)))
6526 (defun gnus-article-describe-key-briefly (key &optional insert)
6527 "Display documentation of the function invoked by KEY.
6528 KEY is a string or a vector."
6529 (interactive (list (let ((cursor-in-echo-area t)) ;; better for XEmacs.
6530 (read-key-sequence "Describe key: "))
6531 current-prefix-arg))
6532 (gnus-article-check-buffer)
6533 (if (memq (key-binding key t) '(gnus-article-read-summary-keys
6534 gnus-article-read-summary-send-keys))
6535 (with-current-buffer gnus-article-current-summary
6536 (setq unread-command-events
6537 (if (featurep 'xemacs)
6539 (mapcar (lambda (x) (if (and (integerp x) (>= x 128))
6540 (list 'meta (- x 128))
6543 (let ((cursor-in-echo-area t)
6545 (describe-key-briefly (read-key-sequence nil t) insert)))
6546 (describe-key-briefly key insert)))
6548 ;;`gnus-agent-mode' in gnus-agent.el will define it.
6549 (defvar gnus-agent-summary-mode)
6550 (defvar gnus-draft-mode)
6551 ;; Calling help-buffer will autoload help-mode.
6552 (defvar help-xref-stack-item)
6553 ;; Emacs 22 doesn't load it in the batch mode.
6555 (autoload 'help-buffer "help-mode"))
6557 (defun gnus-article-describe-bindings (&optional prefix)
6558 "Show a list of all defined keys, and their definitions.
6559 The optional argument PREFIX, if non-nil, should be a key sequence;
6560 then we display only bindings that start with that prefix."
6562 (gnus-article-check-buffer)
6563 (let ((keymap (copy-keymap gnus-article-mode-map))
6564 (map (copy-keymap gnus-article-send-map))
6565 (sumkeys (where-is-internal 'gnus-article-read-summary-keys))
6567 (define-key keymap "S" map)
6568 (define-key map [t] nil)
6569 (with-current-buffer gnus-article-current-summary
6572 (if (setq parent (keymap-parent gnus-article-mode-map))
6574 (setq parent (copy-keymap parent))
6575 (set-keymap-parent parent (current-local-map)))
6576 (current-local-map)))
6577 (set-keymap-parent map (key-binding "S"))
6578 (let (key def gnus-pick-mode)
6580 (setq key (pop sumkeys))
6581 (cond ((and (vectorp key) (= (length key) 1)
6582 (consp (setq def (aref key 0)))
6583 (numberp (car def)) (numberp (cdr def)))
6584 (when (< (max (car def) (cdr def)) 128)
6588 (nreverse (gnus-uncompress-range def)))
6590 ((setq def (key-binding key))
6591 (unless (eq def 'undefined)
6592 (define-key keymap key def))))))
6593 (when (boundp 'gnus-agent-summary-mode)
6594 (setq agent gnus-agent-summary-mode))
6595 (when (boundp 'gnus-draft-mode)
6596 (setq draft gnus-draft-mode)))
6598 (use-local-map keymap)
6599 (set (make-local-variable 'gnus-agent-summary-mode) agent)
6600 (set (make-local-variable 'gnus-draft-mode) draft)
6601 (describe-bindings prefix))
6602 (let ((item `((lambda (prefix)
6603 (with-current-buffer ,(current-buffer)
6604 (gnus-article-describe-bindings prefix)))
6606 (with-current-buffer (let (help-xref-following) (help-buffer))
6607 (setq help-xref-stack-item item)))))
6609 (defun gnus-article-reply-with-original (&optional wide)
6610 "Start composing a reply mail to the current message.
6611 The text in the region will be yanked. If the region isn't active,
6612 the entire article will be yanked."
6614 (let ((article (cdr gnus-article-current))
6616 (if (not (gnus-region-active-p))
6617 (with-current-buffer gnus-summary-buffer
6618 (gnus-summary-reply (list (list article)) wide))
6619 (setq contents (buffer-substring (point) (mark t)))
6620 ;; Deactivate active regions.
6621 (when (and (boundp 'transient-mark-mode)
6622 transient-mark-mode)
6623 (setq mark-active nil))
6624 (with-current-buffer gnus-summary-buffer
6626 (list (list article contents)) wide)))))
6628 (defun gnus-article-wide-reply-with-original ()
6629 "Start composing a wide reply mail to the current message.
6630 The text in the region will be yanked. If the region isn't active,
6631 the entire article will be yanked."
6633 (gnus-article-reply-with-original t))
6635 (defun gnus-article-followup-with-original ()
6636 "Compose a followup to the current article.
6637 The text in the region will be yanked. If the region isn't active,
6638 the entire article will be yanked."
6640 (let ((article (cdr gnus-article-current))
6642 (if (not (gnus-region-active-p))
6643 (with-current-buffer gnus-summary-buffer
6644 (gnus-summary-followup (list (list article))))
6645 (setq contents (buffer-substring (point) (mark t)))
6646 ;; Deactivate active regions.
6647 (when (and (boundp 'transient-mark-mode)
6648 transient-mark-mode)
6649 (setq mark-active nil))
6650 (with-current-buffer gnus-summary-buffer
6651 (gnus-summary-followup
6652 (list (list article contents)))))))
6654 (defun gnus-article-hide (&optional arg force)
6655 "Hide all the gruft in the current article.
6656 This means that signatures, cited text and (some) headers will be
6658 If given a prefix, show the hidden text instead."
6659 (interactive (append (gnus-article-hidden-arg) (list 'force)))
6660 (gnus-article-hide-headers arg)
6661 (gnus-article-hide-list-identifiers arg)
6662 (gnus-article-hide-citation-maybe arg force)
6663 (gnus-article-hide-signature arg))
6665 (defun gnus-article-maybe-highlight ()
6666 "Do some article highlighting if article highlighting is requested."
6667 (when (gnus-visual-p 'article-highlight 'highlight)
6668 (gnus-article-highlight-some)))
6670 (defun gnus-check-group-server ()
6671 ;; Make sure the connection to the server is alive.
6672 (unless (gnus-server-opened
6673 (gnus-find-method-for-group gnus-newsgroup-name))
6674 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
6675 (gnus-request-group gnus-newsgroup-name t)))
6678 (autoload 'nneething-get-file-name "nneething"))
6680 (defun gnus-request-article-this-buffer (article group)
6681 "Get an article and insert it into this buffer."
6682 (let (do-update-line sparse-header)
6686 (gnus-kill-all-overlays)
6687 (setq group (or group gnus-newsgroup-name))
6689 ;; Using `gnus-request-article' directly will insert the article into
6690 ;; `nntp-server-buffer' - so we'll save some time by not having to
6691 ;; copy it from the server buffer into the article buffer.
6693 ;; We only request an article by message-id when we do not have the
6694 ;; headers for it, so we'll have to get those.
6695 (when (stringp article)
6696 (gnus-read-header article))
6698 ;; If the article number is negative, that means that this article
6699 ;; doesn't belong in this newsgroup (possibly), so we find its
6700 ;; message-id and request it by id instead of number.
6701 (when (and (numberp article)
6703 (get-buffer gnus-summary-buffer)
6704 (gnus-buffer-exists-p gnus-summary-buffer))
6705 (with-current-buffer gnus-summary-buffer
6706 (let ((header (gnus-summary-article-header article)))
6709 ((memq article gnus-newsgroup-sparse)
6710 ;; This is a sparse gap article.
6711 (setq do-update-line article)
6712 (setq article (mail-header-id header))
6713 (setq sparse-header (gnus-read-header article))
6714 (setq gnus-newsgroup-sparse
6715 (delq article gnus-newsgroup-sparse)))
6717 ;; It's a real article.
6718 (setq article (mail-header-id header)))
6720 ;; It is an extracted pseudo-article.
6721 (setq article 'pseudo)
6722 (gnus-request-pseudo-article header))))
6724 (let ((method (gnus-find-method-for-group
6725 gnus-newsgroup-name)))
6726 (when (and (eq (car method) 'nneething)
6728 (let ((dir (nneething-get-file-name
6729 (mail-header-id header))))
6730 (when (and (stringp dir)
6731 (file-directory-p dir))
6732 (setq article 'nneething)
6733 (gnus-group-enter-directory dir))))))))
6736 ;; Refuse to select canceled articles.
6737 ((and (numberp article)
6739 (get-buffer gnus-summary-buffer)
6740 (gnus-buffer-exists-p gnus-summary-buffer)
6741 (eq (cdr (with-current-buffer gnus-summary-buffer
6742 (assq article gnus-newsgroup-reads)))
6743 gnus-canceled-mark))
6745 ;; We first check `gnus-original-article-buffer'.
6746 ((and (get-buffer gnus-original-article-buffer)
6748 (with-current-buffer gnus-original-article-buffer
6749 (and (equal (car gnus-original-article) group)
6750 (eq (cdr gnus-original-article) article))))
6751 ;; `insert-buffer-substring' would incorrectly use the
6752 ;; equivalent of string-make-multibyte which amount to decoding
6753 ;; with locale-coding-system, causing failure of
6754 ;; subsequent decoding.
6755 (insert (mm-string-to-multibyte
6756 (with-current-buffer gnus-original-article-buffer
6757 (buffer-substring (point-min) (point-max)))))
6759 ;; Check the backlog.
6760 ((and gnus-keep-backlog
6761 (gnus-backlog-request-article group article (current-buffer)))
6763 ;; Check asynchronous pre-fetch.
6764 ((gnus-async-request-fetched-article group article (current-buffer))
6765 (gnus-async-prefetch-next group article gnus-summary-buffer)
6766 (when (and (numberp article) gnus-keep-backlog)
6767 (gnus-backlog-enter-article group article (current-buffer)))
6770 ((and gnus-use-cache
6772 (gnus-cache-request-article article group))
6774 ;; Check the agent cache.
6775 ((gnus-agent-request-article article group)
6777 ;; Get the article and put into the article buffer.
6778 ((or (stringp article)
6780 (let ((gnus-override-method gnus-override-method)
6781 (methods (and (stringp article)
6782 gnus-refer-article-method))
6783 (backend (car (gnus-find-method-for-group
6784 gnus-newsgroup-name)))
6786 (inhibit-read-only t))
6787 (if (or (not (listp methods))
6788 (and (symbolp (car methods))
6789 (assq (car methods) nnoo-definition-alist)))
6790 (setq methods (list methods)))
6791 (when (and (null gnus-override-method)
6793 (setq gnus-override-method (pop methods)))
6795 (when (eq gnus-override-method 'current)
6796 (setq gnus-override-method
6797 (with-current-buffer gnus-summary-buffer
6798 gnus-current-select-method)))
6800 (gnus-kill-all-overlays)
6801 (let ((gnus-newsgroup-name group))
6802 (gnus-check-group-server))
6804 ((gnus-request-article article group (current-buffer))
6805 (when (numberp article)
6806 (gnus-async-prefetch-next group article
6807 gnus-summary-buffer)
6808 (when gnus-keep-backlog
6809 (gnus-backlog-enter-article
6810 group article (current-buffer))))
6811 (setq result 'article))
6813 (setq gnus-override-method (pop methods)))
6814 ((not (string-match "^400 "
6815 (nnheader-get-report backend)))
6816 ;; If we get 400 server disconnect, reconnect and
6817 ;; retry; otherwise, assume the article has expired.
6818 (setq result 'done))))
6819 (and (eq result 'article) 'article)))
6823 ;; Associate this article with the current summary buffer.
6824 (setq gnus-article-current-summary gnus-summary-buffer)
6826 ;; Take the article from the original article buffer
6827 ;; and place it in the buffer it's supposed to be in.
6828 (when (and (get-buffer gnus-article-buffer)
6829 (equal (buffer-name (current-buffer))
6830 (buffer-name (get-buffer gnus-article-buffer))))
6832 (if (get-buffer gnus-original-article-buffer)
6833 (set-buffer gnus-original-article-buffer)
6834 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
6835 (buffer-disable-undo)
6836 (setq major-mode 'gnus-original-article-mode)
6837 (setq buffer-read-only t))
6838 (let ((inhibit-read-only t))
6840 (insert-buffer-substring gnus-article-buffer))
6841 (setq gnus-original-article (cons group article)))
6844 (run-hooks 'gnus-article-decode-hook)
6845 ;; Mark article as decoded or not.
6846 (setq gnus-article-decoded-p gnus-article-decode-hook))
6848 ;; Update sparse articles.
6849 (when (and do-update-line
6850 (or (numberp article)
6852 (let ((buf (current-buffer)))
6853 (set-buffer gnus-summary-buffer)
6854 (gnus-summary-update-article do-update-line sparse-header)
6855 (gnus-summary-goto-subject do-update-line nil t)
6856 (set-window-point (gnus-get-buffer-window (current-buffer) t)
6858 (set-buffer buf))))))
6860 (defun gnus-block-private-groups (group)
6861 (if (gnus-news-group-p group)
6862 ;; Block nothing in news groups.
6864 ;; Block everything anywhere else.
6867 (defun gnus-blocked-images ()
6868 (if (functionp gnus-blocked-images)
6869 (funcall gnus-blocked-images gnus-newsgroup-name)
6870 gnus-blocked-images))
6876 (defcustom gnus-article-edit-mode-hook nil
6877 "Hook run in article edit mode buffers."
6878 :group 'gnus-article-various
6881 (defvar gnus-article-edit-done-function nil)
6883 (defvar gnus-article-edit-mode-map nil)
6885 ;; Should we be using derived.el for this?
6886 (unless gnus-article-edit-mode-map
6887 (setq gnus-article-edit-mode-map (make-keymap))
6888 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
6890 (gnus-define-keys gnus-article-edit-mode-map
6891 "\C-c?" describe-mode
6892 "\C-c\C-c" gnus-article-edit-done
6893 "\C-c\C-k" gnus-article-edit-exit
6894 "\C-c\C-f\C-t" message-goto-to
6895 "\C-c\C-f\C-o" message-goto-from
6896 "\C-c\C-f\C-b" message-goto-bcc
6897 ;;"\C-c\C-f\C-w" message-goto-fcc
6898 "\C-c\C-f\C-c" message-goto-cc
6899 "\C-c\C-f\C-s" message-goto-subject
6900 "\C-c\C-f\C-r" message-goto-reply-to
6901 "\C-c\C-f\C-n" message-goto-newsgroups
6902 "\C-c\C-f\C-d" message-goto-distribution
6903 "\C-c\C-f\C-f" message-goto-followup-to
6904 "\C-c\C-f\C-m" message-goto-mail-followup-to
6905 "\C-c\C-f\C-k" message-goto-keywords
6906 "\C-c\C-f\C-u" message-goto-summary
6907 "\C-c\C-f\C-i" message-insert-or-toggle-importance
6908 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
6909 "\C-c\C-b" message-goto-body
6910 "\C-c\C-i" message-goto-signature
6912 "\C-c\C-t" message-insert-to
6913 "\C-c\C-n" message-insert-newsgroups
6914 "\C-c\C-o" message-sort-headers
6915 "\C-c\C-e" message-elide-region
6916 "\C-c\C-v" message-delete-not-region
6917 "\C-c\C-z" message-kill-to-signature
6918 "\M-\r" message-newline-and-reformat
6919 "\C-c\C-a" mml-attach-file
6920 "\C-a" message-beginning-of-line
6922 "\M-;" comment-region)
6924 (gnus-define-keys (gnus-article-edit-wash-map
6925 "\C-c\C-w" gnus-article-edit-mode-map)
6926 "f" gnus-article-edit-full-stops))
6929 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
6931 ["Fetch To" message-insert-to t]
6932 ["Fetch Newsgroups" message-insert-newsgroups t]
6934 ["To" message-goto-to t]
6935 ["From" message-goto-from t]
6936 ["Subject" message-goto-subject t]
6937 ["Cc" message-goto-cc t]
6938 ["Reply-To" message-goto-reply-to t]
6939 ["Summary" message-goto-summary t]
6940 ["Keywords" message-goto-keywords t]
6941 ["Newsgroups" message-goto-newsgroups t]
6942 ["Followup-To" message-goto-followup-to t]
6943 ["Mail-Followup-To" message-goto-mail-followup-to t]
6944 ["Distribution" message-goto-distribution t]
6945 ["Body" message-goto-body t]
6946 ["Signature" message-goto-signature t]))
6948 (define-derived-mode gnus-article-edit-mode message-mode "Article Edit"
6949 "Major mode for editing articles.
6950 This is an extended text-mode.
6952 \\{gnus-article-edit-mode-map}"
6953 (make-local-variable 'gnus-article-edit-done-function)
6954 (make-local-variable 'gnus-prev-winconf)
6955 (set (make-local-variable 'font-lock-defaults)
6956 '(message-font-lock-keywords t))
6957 (set (make-local-variable 'mail-header-separator) "")
6958 (set (make-local-variable 'gnus-article-edit-mode) t)
6959 (easy-menu-add message-mode-field-menu message-mode-map)
6961 (setq buffer-read-only nil)
6962 (buffer-enable-undo)
6965 (defun gnus-article-edit (&optional force)
6966 "Edit the current article.
6967 This will have permanent effect only in mail groups.
6968 If FORCE is non-nil, allow editing of articles even in read-only
6971 (when (and (not force)
6972 (gnus-group-read-only-p))
6973 (error "The current newsgroup does not support article editing"))
6974 (gnus-article-date-original)
6975 (gnus-article-edit-article
6977 `(lambda (no-highlight)
6979 (gnus-summary-edit-article-done
6980 ,(or (mail-header-references gnus-current-headers) "")
6981 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
6983 (defun gnus-article-edit-article (start-func exit-func &optional quiet)
6984 "Start editing the contents of the current article buffer."
6985 (let ((winconf (current-window-configuration)))
6986 (set-buffer gnus-article-buffer)
6987 (let ((message-auto-save-directory
6988 ;; Don't associate the article buffer with a draft file.
6990 (gnus-article-edit-mode))
6991 (funcall start-func)
6992 (set-buffer-modified-p nil)
6993 (gnus-configure-windows 'edit-article)
6994 (setq gnus-article-edit-done-function exit-func)
6995 (setq gnus-prev-winconf winconf)
6997 (gnus-message 6 "C-c C-c to end edits"))))
6999 (defun gnus-article-edit-done (&optional arg)
7000 "Update the article edits and exit."
7002 (let ((func gnus-article-edit-done-function)
7003 (buf (current-buffer))
7004 (start (window-start))
7006 (winconf gnus-prev-winconf))
7007 (widen) ;; Widen it in case that users narrowed the buffer.
7010 ;; The cache and backlog have to be flushed somewhat.
7011 (when gnus-keep-backlog
7012 (gnus-backlog-remove-article
7013 (car gnus-article-current) (cdr gnus-article-current)))
7014 ;; Flush original article as well.
7015 (gnus-flush-original-article-buffer)
7016 (when gnus-use-cache
7017 (gnus-cache-update-article
7018 (car gnus-article-current) (cdr gnus-article-current)))
7019 ;; We remove all text props from the article buffer.
7020 (kill-all-local-variables)
7021 (set-text-properties (point-min) (point-max) nil)
7023 (set-window-configuration winconf)
7025 (set-window-start (get-buffer-window buf) start)
7026 (set-window-point (get-buffer-window buf) (point)))
7027 (gnus-summary-show-article))
7029 (defun gnus-flush-original-article-buffer ()
7030 (when (get-buffer gnus-original-article-buffer)
7031 (with-current-buffer gnus-original-article-buffer
7032 (setq gnus-original-article nil))))
7034 (defun gnus-article-edit-exit ()
7035 "Exit the article editing without updating."
7037 (when (or (not (buffer-modified-p))
7038 (yes-or-no-p "Article modified; kill anyway? "))
7039 (let ((curbuf (current-buffer))
7041 (window-start (window-start)))
7043 (if (gnus-buffer-live-p gnus-original-article-buffer)
7044 (insert-buffer-substring gnus-original-article-buffer))
7045 (let ((winconf gnus-prev-winconf))
7046 (kill-all-local-variables)
7048 (set-window-configuration winconf)
7049 ;; Tippy-toe some to make sure that point remains where it was.
7050 (save-current-buffer
7052 (set-window-start (get-buffer-window (current-buffer)) window-start)
7054 (gnus-summary-show-article)))
7056 (defun gnus-article-edit-full-stops ()
7057 "Interactively repair spacing at end of sentences."
7060 (goto-char (point-min))
7061 (search-forward-regexp "^$" nil t)
7062 (let ((case-fold-search nil))
7063 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
7066 ;;; Article highlights
7069 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
7071 ;;; Internal Variables:
7073 (defcustom gnus-button-url-regexp
7075 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|"
7076 "nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)"
7077 "\\(//[-a-z0-9_.]+:[0-9]*\\)?"
7078 (if (string-match "[[:digit:]]" "1") ;; Support POSIX?
7079 (let ((chars "-a-z0-9_=#$@~%&*+\\/[:word:]")
7083 ;; Match paired parentheses, e.g. in Wikipedia URLs:
7084 ;; http://thread.gmane.org/47B4E3B2.3050402@gmail.com
7085 "[" chars punct "]+" "(" "[" chars punct "]+" "[" chars "]*)" "[" chars "]*"
7087 "[" chars punct "]+" "[" chars "]"
7089 (concat ;; XEmacs 21.4 doesn't support POSIX.
7090 "\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+"
7091 "\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)"))
7093 "Regular expression that matches URLs."
7094 :group 'gnus-article-buttons
7097 (defcustom gnus-button-valid-fqdn-regexp
7098 message-valid-fqdn-regexp
7099 "Regular expression that matches a valid FQDN."
7101 :group 'gnus-article-buttons
7104 ;; Regexp suggested by Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
7105 (defcustom gnus-button-valid-localpart-regexp
7106 "[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t @]*"
7107 "Regular expression that matches a localpart of mail addresses or MIDs."
7109 :group 'gnus-article-buttons
7112 (defcustom gnus-button-man-handler 'manual-entry
7113 "Function to use for displaying man pages.
7114 The function must take at least one argument with a string naming the
7117 :type '(choice (function-item :tag "Man" manual-entry)
7118 (function-item :tag "Woman" woman)
7119 (function :tag "Other"))
7120 :group 'gnus-article-buttons)
7122 (defcustom gnus-button-mid-or-mail-regexp
7123 (concat "\\b\\(<?" gnus-button-valid-localpart-regexp "@"
7124 gnus-button-valid-fqdn-regexp
7126 "Regular expression that matches a message ID or a mail address."
7128 :group 'gnus-article-buttons
7131 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
7132 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
7133 Strings like this can be either a message ID or a mail address. If it is one
7134 of the symbols `mid' or `mail', Gnus will always assume that the string is a
7135 message ID or a mail address, respectively. If this variable is set to the
7136 symbol `ask', always query the user what do do. If it is a function, this
7137 function will be called with the string as its only argument. The function
7138 must return `mid', `mail', `invalid' or `ask'."
7140 :group 'gnus-article-buttons
7141 :type '(choice (function-item :tag "Heuristic function"
7142 gnus-button-mid-or-mail-heuristic)
7147 (defcustom gnus-button-mid-or-mail-heuristic-alist
7148 '((-10.0 . ".+\\$.+@")
7151 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
7152 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
7153 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
7154 (-1.0 . "^[^a-z]+@")
7156 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
7157 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
7158 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
7159 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
7162 (-1.0 . "^[0-9][0-9]")
7164 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
7165 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
7166 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
7167 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
7169 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
7170 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
7173 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
7175 ;; compensation for TDMA dated mail addresses:
7176 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
7178 (-20.0 . "\\.fsf@") ;; Gnus
7181 (-20.0 . "^alpine\\.")
7182 (-20.0 . "_-_") ;; Subject change in thread
7184 (-20.0 . "\\.ln@") ;; leafnode
7185 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
7186 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
7188 ;; (5.0 . "") ;; $local_part_len <= 7
7189 (10.0 . "^[^0-9]+@")
7190 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
7191 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
7194 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
7196 (0.5 . "^[A-Z][a-z]")
7197 (0.5 . "^[A-Z][a-z][a-z]")
7198 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
7199 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
7200 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
7202 A negative RATE indicates a message IDs, whereas a positive indicates a mail
7203 address. The REGEXP is processed with `case-fold-search' set to nil."
7205 :group 'gnus-article-buttons
7206 :type '(repeat (cons (number :tag "Rate")
7207 (regexp :tag "Regexp"))))
7209 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
7210 "Guess whether MID-OR-MAIL is a message ID or a mail address.
7211 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
7212 address, `ask' if unsure and `invalid' if the string is invalid."
7213 (let ((case-fold-search nil)
7214 (list gnus-button-mid-or-mail-heuristic-alist)
7215 (result 0) rate regexp lpartlen elem)
7217 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
7218 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
7219 ;; Certain special cases...
7222 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
7223 "^[0-9]+\\.[0-9]+@compuserve\\|"
7224 "@public\\.gmane\\.org")
7226 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
7227 (setq result 'mail))
7228 (when (string-match "@.*@\\| " mid-or-mail)
7229 (gnus-message 8 "`%s' is invalid." mid-or-mail)
7230 (setq result 'invalid))
7231 ;; Nothing more to do, if result is not a number here...
7232 (when (numberp result)
7234 (setq elem (car list)
7238 (when (string-match regexp mid-or-mail)
7239 (setq result (+ result rate))
7241 9 "`%s' matched `%s', rate `%s', result `%s'."
7242 mid-or-mail regexp rate result)))
7243 (when (<= lpartlen 7)
7244 (setq result (+ result 5.0))
7245 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
7246 mid-or-mail result))
7247 (when (>= lpartlen 12)
7248 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
7250 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
7251 ;; Long local part should contain realname if e-mail address,
7252 ;; too many digits: message-id.
7253 ;; $score -= 5.0 + 0.1 * $local_part_len;
7254 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
7255 (setq result (+ result rate))
7257 9 "Many digits in `%s', rate `%s', result `%s'."
7258 mid-or-mail rate result))
7259 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
7261 ;; Too few vowels [^aeiouy]{4,}.*\@
7262 (setq result (+ result -5.0))
7264 9 "Few vowels in `%s', rate `%s', result `%s'."
7265 mid-or-mail -5.0 result))
7267 (setq result (+ result 5.0))
7269 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
7270 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
7271 ;; Maybe we should make this a customizable alist: (condition . 'result)
7273 ((symbolp result) result)
7274 ;; Now convert number into proper results:
7275 ((< result -10.0) 'mid)
7276 ((> result 10.0) 'mail)
7279 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
7280 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
7281 (url-mid (concat "news" ":" mid-or-mail))
7282 (url-mailto (concat "mailto" ":" mid-or-mail)))
7283 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
7284 (when (fboundp pref)
7286 ;; get rid of surrounding angles...
7288 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
7289 (if (or (eq 'mid guessed) (eq 'mail guessed))
7293 (save-window-excursion
7294 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
7297 (cond ((eq pref 'mid)
7298 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
7299 (gnus-button-handle-news url-mid))
7301 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
7302 (gnus-url-mailto url-mailto))
7303 (t (gnus-message 3 "Invalid string.")))))
7305 (defun gnus-button-handle-custom (fun arg)
7306 "Call function FUN on argument ARG.
7307 Both FUN and ARG are supposed to be strings. ARG will be passed
7308 as a symbol to FUN."
7309 (funcall (intern fun)
7310 (if (string-match "^customize-apropos" fun)
7314 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
7316 ;; FIXME: Maybe we should merge some of the functions that do quite similar
7319 (defun gnus-button-handle-describe-function (url)
7320 "Call `describe-function' when pushing the corresponding URL button."
7323 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
7325 (defun gnus-button-handle-describe-variable (url)
7326 "Call `describe-variable' when pushing the corresponding URL button."
7329 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
7331 (defun gnus-button-handle-symbol (url)
7332 "Display help on variable or function.
7333 Calls `describe-variable' or `describe-function'."
7334 (let ((sym (intern url)))
7336 ((fboundp sym) (describe-function sym))
7337 ((boundp sym) (describe-variable sym))
7338 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
7340 (defun gnus-button-handle-describe-key (url)
7341 "Call `describe-key' when pushing the corresponding URL button."
7343 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
7344 (keys (ignore-errors (eval `(kbd ,key-string)))))
7347 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
7349 (defun gnus-button-handle-apropos (url)
7350 "Call `apropos' when pushing the corresponding URL button."
7351 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
7353 (defun gnus-button-handle-apropos-command (url)
7354 "Call `apropos' when pushing the corresponding URL button."
7356 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
7358 (defun gnus-button-handle-apropos-variable (url)
7359 "Call `apropos' when pushing the corresponding URL button."
7361 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
7362 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
7364 (defun gnus-button-handle-apropos-documentation (url)
7365 "Call `apropos' when pushing the corresponding URL button."
7367 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
7368 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
7370 (defun gnus-button-handle-library (url)
7371 "Call `locate-library' when pushing the corresponding URL button."
7372 (gnus-message 9 "url=`%s'" url)
7373 (let* ((lib (locate-library url))
7374 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
7376 (gnus-message 1 "Cannot locale library `%s'." url)
7377 (find-file-read-only file))))
7379 (defcustom gnus-button-man-level 5
7380 "*Integer that says how many man-related buttons Gnus will show.
7381 The higher the number, the more buttons will appear and the more false
7382 positives are possible. Note that you can set this variable local to
7383 specific groups. Setting it higher in Unix groups is probably a good idea.
7384 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
7385 how to set variables in specific groups."
7387 :group 'gnus-article-buttons
7388 :link '(custom-manual "(gnus)Group Parameters")
7391 (defcustom gnus-button-emacs-level 5
7392 "*Integer that says how many emacs-related buttons Gnus will show.
7393 The higher the number, the more buttons will appear and the more false
7394 positives are possible. Note that you can set this variable local to
7395 specific groups. Setting it higher in Emacs or Gnus related groups is
7396 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
7397 `gnus-parameters' on how to set variables in specific groups."
7399 :group 'gnus-article-buttons
7400 :link '(custom-manual "(gnus)Group Parameters")
7403 (defcustom gnus-button-message-level 5
7404 "*Integer that says how many buttons for news or mail messages will appear.
7405 The higher the number, the more buttons will appear and the more false
7406 positives are possible."
7407 ;; mail addresses, MIDs, URLs for news, ...
7409 :group 'gnus-article-buttons
7412 (defcustom gnus-button-browse-level 5
7413 "*Integer that says how many buttons for browsing will appear.
7414 The higher the number, the more buttons will appear and the more false
7415 positives are possible."
7416 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
7418 :group 'gnus-article-buttons
7421 (defcustom gnus-button-alist
7422 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
7423 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
7424 ((concat "\\b\\(nntp\\|news\\):\\("
7425 gnus-button-valid-localpart-regexp "@[a-z0-9.-]+[a-z]\\)")
7426 0 t gnus-button-handle-news 2)
7427 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
7428 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
7429 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
7430 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
7431 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
7432 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
7433 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
7434 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
7435 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
7436 ("\\b\\(mid\\|message-id\\):? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
7437 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
7438 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
7439 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
7440 ;; RFC 2368 (The mailto URL scheme)
7441 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
7442 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
7443 ("\\bmailto:\\([^ \n\t]+\\)"
7444 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
7445 ;; Info Konqueror style <info:/foo/bar baz>.
7446 ;; Must come before " Gnus home-grown style".
7447 ("\\binfo://?\\([^'\">\n\t]+\\)"
7448 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
7449 ;; Info, Gnus home-grown style (deprecated) <info://foo/bar+baz>
7450 ("\\binfo://\\([^'\">\n\t ]+\\)"
7451 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
7452 ;; Info GNOME style <info:foo#bar_baz>
7453 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
7454 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
7455 ;; Info KDE style <info:(foo)bar baz>
7456 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
7457 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
7458 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
7459 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
7460 ("\\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,]*\\)\\)?"
7461 ;; Info links like `C-h i d m Gnus RET' or `C-h i d m Gnus RET i partial RET'
7462 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 0)
7464 ("M-x[ \t\n]\\(customize-[^ ]+\\)[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
7465 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1 2)
7466 ;; Emacs help commands
7467 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7468 ;; regexp doesn't match arguments containing ` '.
7469 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
7470 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7471 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
7472 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7473 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
7474 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7475 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
7476 ;; The following entries may lead to many false positives so don't enable
7477 ;; them by default (use a high button level).
7478 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>[^.?]"
7479 ;; Exclude [.?] for URLs in gmane.emacs.cvs
7480 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
7481 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
7482 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
7483 ("`\\([a-z][a-z0-9]+-[a-z0-9]+-[-a-z0-9]*[a-z]\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
7484 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
7485 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
7486 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
7487 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
7488 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
7489 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7490 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
7491 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7492 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
7493 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7494 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
7495 ("`\\(\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
7496 ;; Unlike the other regexps we really have to require quoting
7497 ;; here to determine where it ends.
7498 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
7499 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
7500 ("<URL: *\\([^\n<>]*\\)>"
7501 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
7502 ;; RFC 2396 (2.4.3., delims) ...
7503 ("\"URL: *\\([^\n\"]*\\)\""
7504 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
7506 (gnus-button-url-regexp
7507 0 (>= gnus-button-browse-level 0) browse-url 0)
7509 ("\\b\\([a-z][a-z]+([1-9])\\)\\W"
7510 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
7511 gnus-button-handle-man 1)
7512 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
7513 ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W"
7514 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
7515 gnus-button-handle-man 1)
7516 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
7517 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
7518 ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\|\\b\\(?:X([1-9])\\)\\)\\W"
7519 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
7520 ;; Recognizing patches to .el files. This is somewhat obscure,
7521 ;; but considering the percentage of Gnus users who hack Emacs
7523 ("^--- \\([^ .]+\\.el\\).*\n.*\n@@ -?\\([0-9]+\\)" 1
7524 (>= gnus-button-message-level 4) gnus-button-patch 1 2)
7525 ("^\\*\\*\\* \\([^ .]+\\.el\\).*\n.*\n\\*+\n\\*\\*\\* \\([0-9]+\\)" 1
7526 (>= gnus-button-message-level 4) gnus-button-patch 1 2)
7527 ;; MID or mail: To avoid too many false positives we don't try to catch
7528 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
7529 ;; at least one dot. TLD must contain two or three chars or be a know TLD
7530 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
7531 ;; so that non-ambiguous entries (see above) match first.
7532 (gnus-button-mid-or-mail-regexp
7533 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
7534 "*Alist of regexps matching buttons in article bodies.
7536 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
7537 REGEXP: is the string (case insensitive) matching text around the button (can
7538 also be Lisp expression evaluating to a string),
7539 BUTTON: is the number of the regexp grouping actually matching the button,
7540 FORM: is a Lisp expression which must eval to true for the button to
7542 CALLBACK: is the function to call when the user push this button, and each
7543 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
7545 CALLBACK can also be a variable, in that case the value of that
7546 variable it the real callback function."
7547 :group 'gnus-article-buttons
7548 :type '(repeat (list (choice regexp variable sexp)
7549 (integer :tag "Button")
7551 (function :tag "Callback")
7554 (integer :tag "Regexp group")))))
7555 (put 'gnus-button-alist 'risky-local-variable t)
7557 (defcustom gnus-header-button-alist
7558 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
7559 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
7560 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
7561 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
7562 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
7563 0 (>= gnus-button-message-level 0) gnus-msg-mail 0)
7564 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
7565 0 (>= gnus-button-browse-level 0) browse-url 0)
7566 ("^Subject:" gnus-button-url-regexp
7567 0 (>= gnus-button-browse-level 0) browse-url 0)
7568 ("^[^:]+:" gnus-button-url-regexp
7569 0 (>= gnus-button-browse-level 0) browse-url 0)
7570 ("^OpenPGP:.*url=" gnus-button-url-regexp
7571 0 (>= gnus-button-browse-level 0) gnus-button-openpgp 0)
7572 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
7573 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
7574 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
7575 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
7576 "*Alist of headers and regexps to match buttons in article heads.
7578 This alist is very similar to `gnus-button-alist', except that each
7579 alist has an additional HEADER element first in each entry:
7581 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
7583 HEADER is a regexp to match a header. For a fuller explanation, see
7584 `gnus-button-alist'."
7585 :group 'gnus-article-buttons
7586 :group 'gnus-article-headers
7587 :type '(repeat (list (regexp :tag "Header")
7588 (choice regexp variable)
7589 (integer :tag "Button")
7591 (function :tag "Callback")
7594 (integer :tag "Regexp group")))))
7595 (put 'gnus-header-button-alist 'risky-local-variable t)
7599 (defun gnus-article-push-button (event)
7600 "Check text under the mouse pointer for a callback function.
7601 If the text under the mouse pointer has a `gnus-callback' property,
7602 call it with the value of the `gnus-data' text property."
7604 (set-buffer (window-buffer (posn-window (event-start event))))
7605 (let* ((pos (posn-point (event-start event)))
7606 (data (get-text-property pos 'gnus-data))
7607 (fun (get-text-property pos 'gnus-callback)))
7610 (funcall fun data))))
7612 (defun gnus-article-press-button ()
7613 "Check text at point for a callback function.
7614 If the text at point has a `gnus-callback' property,
7615 call it with the value of the `gnus-data' text property."
7617 (let ((data (get-text-property (point) 'gnus-data))
7618 (fun (get-text-property (point) 'gnus-callback)))
7620 (funcall fun data))))
7622 (defun gnus-article-highlight (&optional force)
7623 "Highlight current article.
7624 This function calls `gnus-article-highlight-headers',
7625 `gnus-article-highlight-citation',
7626 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
7627 do the highlighting. See the documentation for those functions."
7628 (interactive (list 'force))
7629 (gnus-article-highlight-headers)
7630 (gnus-article-highlight-citation force)
7631 (gnus-article-highlight-signature)
7632 (gnus-article-add-buttons force)
7633 (gnus-article-add-buttons-to-head))
7635 (defun gnus-article-highlight-some (&optional force)
7636 "Highlight current article.
7637 This function calls `gnus-article-highlight-headers',
7638 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
7639 do the highlighting. See the documentation for those functions."
7640 (interactive (list 'force))
7641 (gnus-article-highlight-headers)
7642 (gnus-article-highlight-signature)
7643 (gnus-article-add-buttons))
7645 (defun gnus-article-highlight-headers ()
7646 "Highlight article headers as specified by `gnus-header-face-alist'."
7648 (gnus-with-article-headers
7649 (let (regexp header-face field-face from hpoints fpoints)
7650 (dolist (entry gnus-header-face-alist)
7651 (goto-char (point-min))
7652 (setq regexp (concat "^\\("
7653 (if (string-equal "" (nth 0 entry))
7657 header-face (nth 1 entry)
7658 field-face (nth 2 entry))
7659 (while (and (re-search-forward regexp nil t)
7663 (unless (search-forward ":" nil t)
7665 (when (and header-face
7666 (not (memq (point) hpoints)))
7667 (push (point) hpoints)
7668 (gnus-put-text-property from (point) 'face header-face))
7669 (when (and field-face
7670 (not (memq (setq from (point)) fpoints)))
7672 (if (re-search-forward "^[^ \t]" nil t)
7674 (goto-char (point-max)))
7675 (gnus-put-text-property from (point) 'face field-face)))))))
7677 (defun gnus-article-highlight-signature ()
7678 "Highlight the signature in an article.
7679 It does this by highlighting everything after
7680 `gnus-signature-separator' using the face `gnus-signature'."
7682 (gnus-with-article-buffer
7683 (let ((inhibit-point-motion-hooks t))
7685 (when (and gnus-signature-face
7686 (gnus-article-narrow-to-signature))
7687 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max) nil t)
7688 'face gnus-signature-face)
7690 (gnus-article-search-signature)
7691 (let ((start (match-beginning 0))
7692 (end (set-marker (make-marker) (1+ (match-end 0)))))
7693 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
7696 (defun gnus-button-in-region-p (b e prop)
7697 "Say whether PROP exists in the region."
7698 (text-property-not-all b e prop nil))
7700 (defun gnus-article-add-buttons (&optional force)
7701 "Find external references in the article and make buttons of them.
7702 \"External references\" are things like Message-IDs and URLs, as
7703 specified by `gnus-button-alist'."
7704 (interactive (list 'force))
7705 (gnus-with-article-buffer
7706 (let ((inhibit-point-motion-hooks t)
7707 (case-fold-search t)
7708 (alist gnus-button-alist)
7710 ;; Remove all old markers.
7711 (let (marker entry new-list)
7712 (while (setq marker (pop gnus-button-marker-list))
7713 (if (or (< marker (point-min)) (>= marker (point-max)))
7714 (push marker new-list)
7716 (when (setq entry (gnus-button-entry))
7717 (put-text-property (match-beginning (nth 1 entry))
7718 (match-end (nth 1 entry))
7719 'gnus-callback nil))
7720 (set-marker marker nil)))
7721 (setq gnus-button-marker-list new-list))
7722 ;; We skip the headers.
7725 (while (setq entry (pop alist))
7726 (setq regexp (eval (car entry)))
7728 (while (re-search-forward regexp nil t)
7729 (let ((start (match-beginning (nth 1 entry)))
7730 (end (match-end (nth 1 entry)))
7731 (from (match-beginning 0)))
7732 (when (and (or (eq t (nth 2 entry))
7733 (eval (nth 2 entry)))
7734 (not (gnus-button-in-region-p
7735 start end 'gnus-callback)))
7736 ;; That optional form returned non-nil, so we add the
7738 (setq from (set-marker (make-marker) from))
7739 (push from gnus-button-marker-list)
7740 (unless (and (eq (car entry) 'gnus-button-url-regexp)
7741 (gnus-article-extend-url-button from start end))
7742 (gnus-article-add-button start end
7743 'gnus-button-push from)
7744 (gnus-put-text-property
7746 'gnus-string (buffer-substring-no-properties
7749 (defun gnus-article-extend-url-button (beg start end)
7750 "Extend url button if url is folded into two or more lines.
7751 Return non-nil if button is extended. BEG is a marker that points to
7752 the beginning position of a text containing url. START and END are
7753 the endpoints of a url button before it is extended. The concatenated
7754 url is put as the `gnus-button-url' overlay property on the button."
7755 (let ((opoint (point))
7756 (points (list start end))
7761 (not (looking-at "[\t ]*[\">]")))
7765 "\\(?:\"\\|\\(<\\)\\)[\t ]*\\(?:url[\t ]*:[\t ]*\\)?\\'"
7766 (buffer-substring (point-at-bol) start)))
7768 (setq url (list (buffer-substring start end))
7769 delim (if (match-beginning 1) ">" "\""))
7771 (setq regexp (concat
7772 (when (and (looking-at
7773 message-cite-prefix-regexp)
7774 (< (match-end 0) start))
7775 (regexp-quote (match-string 0)))
7777 \[\t ]*\\(?:\\([^\t\n \">]+\\)[\t ]*$\\|\\([^\t\n \">]*\\)[\t ]*"
7781 (and (looking-at regexp)
7784 (push (or (match-string 2)
7787 (push (setq end (or (match-end 2)
7790 (push (or (match-beginning 2)
7791 (match-beginning 1))
7793 (match-beginning 2)))
7794 (let (gnus-article-mouse-face widget-mouse-face)
7796 (gnus-article-add-button (pop points) (pop points)
7797 'gnus-button-push beg)))
7798 (let ((overlay (gnus-make-overlay start end)))
7799 (gnus-overlay-put overlay 'evaporate t)
7800 (gnus-overlay-put overlay 'gnus-button-url
7801 (list (mapconcat 'identity (nreverse url) "")))
7802 (when gnus-article-mouse-face
7803 (gnus-overlay-put overlay 'mouse-face gnus-article-mouse-face)))
7805 (goto-char opoint))))
7807 ;; Add buttons to the head of an article.
7808 (defun gnus-article-add-buttons-to-head ()
7809 "Add buttons to the head of the article."
7811 (gnus-with-article-headers
7813 (dolist (entry gnus-header-button-alist)
7814 ;; Each alist entry.
7815 (goto-char (point-min))
7816 (while (re-search-forward (car entry) nil t)
7817 ;; Each header matching the entry.
7818 (setq beg (match-beginning 0))
7819 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
7820 (match-beginning 0))
7823 (while (re-search-forward (eval (nth 1 entry)) end t)
7824 ;; Each match within a header.
7825 (let* ((entry (cdr entry))
7826 (start (match-beginning (nth 1 entry)))
7827 (end (match-end (nth 1 entry)))
7828 (form (nth 2 entry)))
7829 (goto-char (match-end 0))
7831 (gnus-article-add-button
7832 start end (nth 3 entry)
7833 (buffer-substring (match-beginning (nth 4 entry))
7834 (match-end (nth 4 entry)))))))
7835 (goto-char end))))))
7837 ;;; External functions:
7839 (defun gnus-article-add-button (from to fun &optional data text)
7840 "Create a button between FROM and TO with callback FUN and data DATA."
7841 (when gnus-article-button-face
7842 (gnus-overlay-put (gnus-make-overlay from to nil t)
7843 'face gnus-article-button-face))
7844 (gnus-add-text-properties
7846 (nconc (and gnus-article-mouse-face
7847 (list gnus-mouse-face-prop gnus-article-mouse-face))
7848 (list 'gnus-callback fun)
7849 (and data (list 'gnus-data data))))
7850 (widget-convert-button 'link from to :action 'gnus-widget-press-button
7851 :help-echo (or text "Follow the link")
7852 :keymap gnus-url-button-map
7853 :button-keymap gnus-widget-button-keymap))
7855 (defun gnus-article-copy-string ()
7856 "Copy the string in the button to the kill ring."
7858 (gnus-article-check-buffer)
7859 (let ((data (get-text-property (point) 'gnus-string)))
7863 (copy-region-as-kill (point-min) (point-max))
7864 (message "Copied %s" data)))))
7866 ;;; Internal functions:
7868 (defun gnus-article-set-globals ()
7869 (with-current-buffer gnus-summary-buffer
7870 (gnus-set-global-variables)))
7872 (defun gnus-signature-toggle (end)
7873 (gnus-with-article-buffer
7874 (let ((inhibit-point-motion-hooks t))
7875 (if (text-property-any end (point-max) 'article-type 'signature)
7877 (gnus-delete-wash-type 'signature)
7878 (gnus-remove-text-properties-when
7879 'article-type 'signature end (point-max)
7880 (cons 'article-type (cons 'signature
7881 gnus-hidden-properties))))
7882 (gnus-add-wash-type 'signature)
7883 (gnus-add-text-properties-when
7884 'article-type nil end (point-max)
7885 (cons 'article-type (cons 'signature
7886 gnus-hidden-properties)))))
7887 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
7888 (gnus-set-mode-line 'article))))
7890 (defun gnus-button-entry ()
7891 ;; Return the first entry in `gnus-button-alist' matching this place.
7892 (let ((alist gnus-button-alist)
7895 (setq entry (pop alist))
7896 (if (looking-at (eval (car entry)))
7901 (defun gnus-button-push (marker)
7902 ;; Push button starting at MARKER.
7905 (let* ((entry (gnus-button-entry))
7906 (inhibit-point-motion-hooks t)
7908 (args (or (and (eq (car entry) 'gnus-button-url-regexp)
7909 (get-char-property marker 'gnus-button-url))
7910 (mapcar (lambda (group)
7911 (let ((string (match-string group)))
7912 (set-text-properties
7913 0 (length string) nil string)
7915 (nthcdr 4 entry)))))
7920 (fboundp (symbol-value fun)))
7921 (apply (symbol-value fun) args))
7923 (gnus-message 1 "You must define `%S' to use this button"
7924 (cons fun args)))))))
7926 (defun gnus-parse-news-url (url)
7927 (let (scheme server port group message-id articles)
7930 (goto-char (point-min))
7931 (when (looking-at "\\([A-Za-z]+\\):")
7932 (setq scheme (match-string 1))
7933 (goto-char (match-end 0)))
7934 (when (looking-at "//\\([^:/]+\\)\\(:?\\)\\([0-9]+\\)?/")
7935 (setq server (match-string 1))
7936 (setq port (if (stringp (match-string 3))
7937 (string-to-number (match-string 3))
7939 (goto-char (match-end 0)))
7942 ((looking-at "\\(.*@.*\\)")
7943 (setq message-id (match-string 1)))
7944 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
7945 (setq group (match-string 1)
7946 articles (split-string (match-string 2) "-")))
7947 ((looking-at "\\([^/]+\\)/?")
7948 (setq group (match-string 1)))
7950 (error "Unknown news URL syntax"))))
7951 (list scheme server port group message-id articles)))
7953 (defun gnus-button-handle-news (url)
7955 (destructuring-bind (scheme server port group message-id articles)
7956 (gnus-parse-news-url url)
7959 (with-current-buffer gnus-summary-buffer
7961 (let ((gnus-refer-article-method
7962 (nconc (list (list 'nntp server))
7963 gnus-refer-article-method))
7964 (nntp-port-number (or port "nntp")))
7965 (gnus-message 7 "Fetching %s with %s"
7966 message-id gnus-refer-article-method)
7967 (gnus-summary-refer-article message-id))
7968 (gnus-summary-refer-article message-id))))
7970 (gnus-button-fetch-group url)))))
7972 (defun gnus-button-patch (library line)
7973 "Visit an Emacs Lisp library LIBRARY on line LINE."
7975 (let ((file (locate-library (file-name-nondirectory library))))
7977 (error "Couldn't find library %s" library))
7979 (goto-char (point-min))
7980 (forward-line (1- (string-to-number line)))))
7982 (defun gnus-button-handle-man (url)
7984 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7985 (when (eq gnus-button-man-handler 'woman)
7986 (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" "")))
7987 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7988 (funcall gnus-button-man-handler url))
7990 (defun gnus-button-handle-info-url (url)
7991 "Fetch an info URL."
7992 (setq url (mm-subst-char-in-string ?+ ?\ url))
7994 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
7995 (gnus-info-find-node
7996 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
7998 ")" (gnus-url-unhex-string (match-string 2 url)))))
7999 ((string-match "([^)\"]+)[^\"]+" url)
8001 (gnus-replace-in-string
8002 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
8003 (gnus-info-find-node url))
8004 (t (error "Can't parse %s" url))))
8006 (defun gnus-button-handle-info-url-gnome (url)
8007 "Fetch GNOME style info URL."
8008 (setq url (mm-subst-char-in-string ?_ ?\ url))
8009 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
8010 (gnus-info-find-node
8012 (gnus-url-unhex-string
8013 (match-string 1 url))
8015 (or (gnus-url-unhex-string
8016 (match-string 2 url))
8018 (error "Can't parse %s" url)))
8020 (defun gnus-button-handle-info-url-kde (url)
8021 "Fetch KDE style info URL."
8022 (gnus-info-find-node (gnus-url-unhex-string url)))
8024 ;; (info) will autoload info.el
8025 (declare-function Info-menu "info" (menu-item &optional fork))
8026 (declare-function Info-index-next "info" (num))
8028 (defun gnus-button-handle-info-keystrokes (url)
8029 "Call `info' when pushing the corresponding URL button."
8030 ;; For links like `C-h i d m gnus RET part RET , ,', `C-h i d m CC Mode RET'.
8031 (let (node indx comma)
8033 (concat "\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+"
8034 "\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
8035 "\\([ \t\n]+i[ \t\n]+[^ ]+ ?[^ ]+[ \t\n]+RET"
8036 "\\(?:[ \t\n,]*\\)\\)?")
8038 (setq node (match-string 2 url)
8039 indx (match-string 3 url))
8040 (error "Can't parse %s" url))
8044 (when (> (length indx) 0)
8045 (string-match (concat "[ \t\n]+i[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
8048 (setq comma (match-string 2 indx))
8049 (setq indx (match-string 1 indx))
8052 (dotimes (i (with-temp-buffer
8054 ;; Note: the XEmacs version of `how-many' takes
8055 ;; no optional argument.
8056 (goto-char (point-min))
8058 (Info-index-next 1)))
8061 ;; Called after pgg-snarf-keys-region, which autoloads pgg.el.
8062 (declare-function pgg-display-output-buffer "pgg" (start end status))
8064 (defun gnus-button-openpgp (url)
8065 "Retrieve and add an OpenPGP key given URL from an OpenPGP header."
8067 (mm-url-insert-file-contents-external url)
8068 (pgg-snarf-keys-region (point-min) (point-max))
8069 (pgg-display-output-buffer nil nil nil)))
8071 (defun gnus-button-message-id (message-id)
8073 (with-current-buffer gnus-summary-buffer
8074 (gnus-summary-refer-article message-id)))
8076 (defun gnus-button-fetch-group (address &rest ignore)
8077 "Fetch GROUP specified by ADDRESS."
8078 (when (string-match "\\`\\(nntp\\|news\\):\\(//\\)?\\(.*\\)\\'"
8080 ;; Allow to use `gnus-button-fetch-group' in `browse-url-browser-function'
8081 ;; for nntp:// and news://
8082 (setq address (match-string 3 address)))
8083 (if (not (string-match "[:/]" address))
8084 ;; This is just a simple group url.
8085 (gnus-group-read-ephemeral-group address gnus-select-method)
8088 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
8090 (error "Can't parse %s" address)
8091 (gnus-group-read-ephemeral-group
8092 (match-string 4 address)
8093 `(nntp ,(match-string 1 address)
8094 (nntp-address ,(match-string 1 address))
8095 (nntp-port-number ,(if (match-end 3)
8096 (match-string 3 address)
8099 (and (match-end 6) (list (string-to-number (match-string 6 address))))))))
8101 (defun gnus-url-parse-query-string (query &optional downcase)
8102 (let (retval pairs cur key val)
8103 (setq pairs (split-string query "&"))
8105 (setq cur (car pairs)
8107 (if (not (string-match "=" cur))
8109 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
8110 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
8112 (setq key (downcase key)))
8113 (setq cur (assoc key retval))
8115 (setcdr cur (cons val (cdr cur)))
8116 (setq retval (cons (list key val) retval)))))
8119 (defun gnus-url-mailto (url)
8120 ;; Send mail to someone
8121 (when (string-match "mailto:/*\\(.*\\)" url)
8122 (setq url (substring url (match-beginning 1) nil)))
8123 (let (to args subject func)
8124 (setq args (gnus-url-parse-query-string
8125 (if (string-match "^\\?" url)
8127 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
8128 (concat "to=" (match-string 1 url) "&"
8129 (match-string 2 url))
8130 (concat "to=" url)))
8132 subject (cdr-safe (assoc "subject" args)))
8135 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
8138 (message-position-on-field (caar args)))
8139 (insert (gnus-replace-in-string
8140 (mapconcat 'identity (reverse (cdar args)) ", ")
8142 (setq args (cdr args)))
8145 (message-goto-subject))))
8147 (defun gnus-button-embedded-url (address)
8148 "Activate ADDRESS with `browse-url'."
8149 (browse-url (gnus-strip-whitespace address)))
8151 ;;; Next/prev buttons in the article buffer.
8153 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
8154 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
8156 (defvar gnus-prev-page-map
8157 (let ((map (make-sparse-keymap)))
8158 (define-key map gnus-mouse-2 'gnus-button-prev-page)
8159 (define-key map "\r" 'gnus-button-prev-page)
8162 (defvar gnus-next-page-map
8163 (let ((map (make-sparse-keymap)))
8164 (define-key map gnus-mouse-2 'gnus-button-next-page)
8165 (define-key map "\r" 'gnus-button-next-page)
8168 (defun gnus-insert-prev-page-button ()
8170 (inhibit-read-only t))
8172 gnus-prev-page-line-format nil
8173 `(keymap ,gnus-prev-page-map
8175 gnus-callback gnus-article-button-prev-page
8176 article-type annotation))
8178 ;; Exclude a newline.
8181 (when gnus-article-button-face
8182 (gnus-overlay-put (gnus-make-overlay b e nil t)
8183 'face gnus-article-button-face))
8184 (widget-convert-button
8186 :action 'gnus-button-prev-page
8187 :button-keymap gnus-prev-page-map)))
8189 (defun gnus-button-next-page (&optional args more-args)
8190 "Go to the next page."
8192 (let ((win (selected-window)))
8193 (select-window (gnus-get-buffer-window gnus-article-buffer t))
8194 (gnus-article-next-page)
8195 (select-window win)))
8197 (defun gnus-button-prev-page (&optional args more-args)
8198 "Go to the prev page."
8200 (let ((win (selected-window)))
8201 (select-window (gnus-get-buffer-window gnus-article-buffer t))
8202 (gnus-article-prev-page)
8203 (select-window win)))
8205 (defun gnus-insert-next-page-button ()
8207 (inhibit-read-only t))
8208 (gnus-eval-format gnus-next-page-line-format nil
8209 `(keymap ,gnus-next-page-map
8211 gnus-callback gnus-article-button-next-page
8212 article-type annotation))
8214 ;; Exclude a newline.
8217 (when gnus-article-button-face
8218 (gnus-overlay-put (gnus-make-overlay b e nil t)
8219 'face gnus-article-button-face))
8220 (widget-convert-button
8222 :action 'gnus-button-next-page
8223 :button-keymap gnus-next-page-map)))
8225 (defun gnus-article-button-next-page (arg)
8226 "Go to the next page."
8228 (let ((win (selected-window)))
8229 (select-window (gnus-get-buffer-window gnus-article-buffer t))
8230 (gnus-article-next-page)
8231 (select-window win)))
8233 (defun gnus-article-button-prev-page (arg)
8234 "Go to the prev page."
8236 (let ((win (selected-window)))
8237 (select-window (gnus-get-buffer-window gnus-article-buffer t))
8238 (gnus-article-prev-page)
8239 (select-window win)))
8241 (defvar gnus-decode-header-methods
8242 '(mail-decode-encoded-word-region)
8243 "List of methods used to decode headers.
8245 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
8246 is FUNCTION, FUNCTION will be applied to all newsgroups. If item is a
8247 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
8248 whose names match REGEXP.
8251 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
8252 mail-decode-encoded-word-region
8253 (\"chinese\" . rfc1843-decode-region))
8256 (defvar gnus-decode-header-methods-cache nil)
8258 (defun gnus-multi-decode-header (start end)
8259 "Apply the functions from `gnus-encoded-word-methods' that match."
8260 (unless (and gnus-decode-header-methods-cache
8261 (eq gnus-newsgroup-name
8262 (car gnus-decode-header-methods-cache)))
8263 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
8264 (dolist (x gnus-decode-header-methods)
8266 (nconc gnus-decode-header-methods-cache (list x))
8267 (if (and gnus-newsgroup-name
8268 (string-match (car x) gnus-newsgroup-name))
8269 (nconc gnus-decode-header-methods-cache
8271 (let ((xlist gnus-decode-header-methods-cache))
8274 (narrow-to-region start end)
8276 (funcall (pop xlist) (point-min) (point-max))))))
8279 ;;; Treatment top-level handling.
8282 (defvar gnus-inhibit-article-treatments nil)
8284 (defun gnus-treat-article (gnus-treat-condition
8285 &optional part-number total-parts gnus-treat-type)
8286 (let ((gnus-treat-length (- (point-max) (point-min)))
8287 (alist gnus-treatment-function-alist)
8288 (article-goto-body-goes-to-point-min-p t)
8290 (or (not gnus-treat-type)
8292 (let ((list gnus-article-treat-types))
8294 (when (string-match (pop list) gnus-treat-type)
8295 (throw 'found t)))))))
8296 (highlightp (gnus-visual-p 'article-highlight 'highlight))
8298 (gnus-run-hooks 'gnus-part-display-hook)
8299 (dolist (elem alist)
8302 (when (gnus-buffer-live-p gnus-summary-buffer)
8303 (set-buffer gnus-summary-buffer))
8304 (symbol-value (car elem))))
8305 (when (and (or (consp val)
8307 (or (not gnus-inhibit-article-treatments)
8308 (eq gnus-treat-condition 'head))
8309 (gnus-treat-predicate val)
8310 (or (not (get (car elem) 'highlight))
8313 (funcall (cadr elem)))))))
8315 ;; Dynamic variables.
8316 (defvar part-number)
8317 (defvar total-parts)
8318 (defvar gnus-treat-type)
8319 (defvar gnus-treat-condition)
8320 (defvar gnus-treat-length)
8322 (defun gnus-treat-predicate (val)
8326 (gnus-treat-condition
8327 (eq gnus-treat-condition val))
8329 (stringp (car val)))
8330 (apply 'gnus-or (mapcar `(lambda (s)
8331 (string-match s ,(or gnus-newsgroup-name "")))
8334 (let ((pred (pop val)))
8337 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
8339 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
8341 (not (gnus-treat-predicate (car val))))
8343 (equal (car val) gnus-treat-type))
8345 (error "%S is not a valid predicate" pred)))))
8353 (eq part-number total-parts))
8355 (< gnus-treat-length val))
8357 (error "%S is not a valid value" val))))
8359 (defun gnus-article-encrypt-body (protocol &optional n)
8360 "Encrypt the article body."
8363 (or gnus-article-encrypt-protocol
8364 (gnus-completing-read "Encrypt protocol"
8365 (mapcar 'car gnus-article-encrypt-protocol-alist)
8367 current-prefix-arg))
8368 ;; User might hit `K E' instead of `K e', so prompt once.
8369 (when (and gnus-article-encrypt-protocol
8371 (unless (gnus-y-or-n-p "Really encrypt article(s)? ")
8372 (error "Encrypt aborted")))
8373 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
8375 (error "Can't find the encrypt protocol %s" protocol))
8376 (if (member gnus-newsgroup-name '("nndraft:delayed"
8379 (error "Can't encrypt the article in group %s"
8380 gnus-newsgroup-name))
8381 (gnus-summary-iterate n
8382 (with-current-buffer gnus-summary-buffer
8383 (let ((mail-parse-charset gnus-newsgroup-charset)
8384 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
8385 (summary-buffer gnus-summary-buffer)
8387 (gnus-set-global-variables)
8388 (when (gnus-group-read-only-p)
8389 (error "The current newsgroup does not support article encrypt"))
8390 (gnus-summary-show-article t)
8392 (or (mail-header-references gnus-current-headers) ""))
8393 (set-buffer gnus-article-buffer)
8394 (let* ((inhibit-read-only t)
8396 (mapcar (lambda (field)
8397 (and (save-restriction
8398 (message-narrow-to-head)
8399 (goto-char (point-min))
8400 (search-forward field nil t))
8402 (message-narrow-to-field)
8404 (delete-region (point-min) (point-max))
8406 '("Content-Type:" "Content-Transfer-Encoding:"
8407 "Content-Disposition:"))))
8408 (message-narrow-to-head)
8409 (message-remove-header "MIME-Version")
8410 (goto-char (point-max))
8411 (setq point (point))
8412 (insert (apply 'concat headers))
8414 (narrow-to-region point (point-max))
8415 (let ((message-options message-options))
8416 (message-options-set 'message-sender user-mail-address)
8417 (message-options-set 'message-recipients user-mail-address)
8418 (message-options-set 'message-sign-encrypt 'not)
8420 (goto-char (point-min))
8421 (insert "MIME-Version: 1.0\n")
8423 (gnus-summary-edit-article-done
8424 references nil summary-buffer t))
8425 (when gnus-keep-backlog
8426 (gnus-backlog-remove-article
8427 (car gnus-article-current) (cdr gnus-article-current)))
8428 (gnus-flush-original-article-buffer)
8429 (when gnus-use-cache
8430 (gnus-cache-update-article
8431 (car gnus-article-current) (cdr gnus-article-current))))))))
8433 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
8434 "The following specs can be used:
8435 %t The security MIME type
8438 %D Details if button is pressed")
8440 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
8441 "The following specs can be used:
8442 %t The security MIME type
8445 %D Details if button is pressed")
8447 (defvar gnus-mime-security-button-line-format-alist
8448 '((?t gnus-tmp-type ?s)
8449 (?i gnus-tmp-info ?s)
8450 (?d gnus-tmp-details ?s)
8451 (?D gnus-tmp-pressed-details ?s)))
8453 (defvar gnus-mime-security-button-commands
8454 '((gnus-article-press-button "\r" "Show Detail")
8458 (gnus-mime-security-save-part "o" "Save...")
8467 (gnus-mime-security-pipe-part "|" "Pipe To Command...")
8470 (defvar gnus-mime-security-button-map
8471 (let ((map (make-sparse-keymap)))
8472 (define-key map gnus-mouse-2 'gnus-article-push-button)
8473 (define-key map gnus-down-mouse-3 'gnus-mime-security-button-menu)
8474 (dolist (c gnus-mime-security-button-commands)
8475 (define-key map (cadr c) (car c)))
8479 gnus-mime-security-button-menu gnus-mime-security-button-map
8480 "Security button menu."
8484 (unless (eq (car c) 'undefined)
8485 (vector (caddr c) (car c) :active t)))
8486 gnus-mime-security-button-commands))))
8488 (defun gnus-mime-security-button-menu (event prefix)
8489 "Construct a context-sensitive menu of security commands."
8490 (interactive "e\nP")
8491 (save-window-excursion
8492 (let ((pos (event-start event)))
8493 (select-window (posn-window pos))
8494 (goto-char (posn-point pos))
8495 (gnus-article-check-buffer)
8496 (popup-menu gnus-mime-security-button-menu nil prefix))))
8498 (defvar gnus-mime-security-details-buffer nil)
8500 (defvar gnus-mime-security-button-pressed nil)
8502 (defvar gnus-mime-security-show-details-inline t
8503 "If non-nil, show details in the article buffer.")
8505 (defun gnus-mime-security-verify-or-decrypt (handle)
8506 (mm-remove-parts (cdr handle))
8507 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
8508 point (inhibit-read-only t))
8510 (goto-char (car region)))
8511 (setq point (point))
8512 (with-current-buffer (mm-handle-multipart-original-buffer handle)
8513 (let* ((mm-verify-option 'known)
8514 (mm-decrypt-option 'known)
8515 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
8516 (unless (eq nparts (cdr handle))
8517 (mm-destroy-parts (cdr handle))
8518 (setcdr handle nparts))))
8519 (gnus-mime-display-security handle)
8521 (delete-region (point) (cdr region))
8522 (set-marker (car region) nil)
8523 (set-marker (cdr region) nil))
8526 (defun gnus-mime-security-show-details (handle)
8527 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
8529 (gnus-message 5 "No details.")
8530 (if gnus-mime-security-show-details-inline
8531 (let ((gnus-mime-security-button-pressed
8532 (not (get-text-property (point) 'gnus-mime-details)))
8533 (gnus-mime-security-button-line-format
8534 (get-text-property (point) 'gnus-line-format))
8535 (inhibit-read-only t))
8537 (while (eq (get-text-property (point) 'gnus-line-format)
8538 gnus-mime-security-button-line-format)
8542 (narrow-to-region (point) (point))
8543 (gnus-insert-mime-security-button handle))
8544 (delete-region (point)
8545 (or (text-property-not-all
8548 gnus-mime-security-button-line-format)
8551 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
8552 (with-current-buffer gnus-mime-security-details-buffer
8555 (setq gnus-mime-security-details-buffer
8556 (gnus-get-buffer-create "*MIME Security Details*")))
8557 (with-current-buffer gnus-mime-security-details-buffer
8559 (goto-char (point-min)))
8560 (pop-to-buffer gnus-mime-security-details-buffer)))))
8562 (defun gnus-mime-security-press-button (handle)
8564 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
8565 (gnus-mime-security-show-details handle)
8566 (gnus-mime-security-verify-or-decrypt handle))))
8568 (defun gnus-insert-mime-security-button (handle &optional displayed)
8569 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
8572 (or (nth 2 (assoc protocol mm-verify-function-alist))
8573 (nth 2 (assoc protocol mm-decrypt-function-alist))
8575 (if (equal (car handle) "multipart/signed")
8576 " Signed" " Encrypted")
8579 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
8582 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
8583 gnus-tmp-pressed-details
8585 (setq gnus-tmp-details
8586 (if gnus-tmp-details
8587 (concat "\n" gnus-tmp-details)
8589 (setq gnus-tmp-pressed-details
8590 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
8595 gnus-mime-security-button-line-format
8596 gnus-mime-security-button-line-format-alist
8597 `(keymap ,gnus-mime-security-button-map
8598 gnus-callback gnus-mime-security-press-button
8599 gnus-line-format ,gnus-mime-security-button-line-format
8600 gnus-mime-details ,gnus-mime-security-button-pressed
8601 article-type annotation
8604 ;; Exclude a newline.
8607 (when gnus-article-button-face
8608 (gnus-overlay-put (gnus-make-overlay b e nil t)
8609 'face gnus-article-button-face))
8610 (widget-convert-button
8613 :action 'gnus-widget-press-button
8614 :button-keymap gnus-mime-security-button-map
8617 ;; Needed to properly clear the message due to a bug in
8618 ;; wid-edit (XEmacs only).
8619 (when (boundp 'help-echo-owns-message)
8620 (setq help-echo-owns-message t))
8622 "%S: show detail; %S: more options"
8623 (aref gnus-mouse-2 0)
8624 (aref gnus-down-mouse-3 0))))))
8626 (defun gnus-mime-display-security (handle)
8628 (narrow-to-region (point) (point))
8629 (unless (gnus-unbuttonized-mime-type-p (car handle))
8630 (gnus-insert-mime-security-button handle))
8631 (gnus-mime-display-part (cadr handle))
8634 (unless (gnus-unbuttonized-mime-type-p (car handle))
8635 (let ((gnus-mime-security-button-line-format
8636 gnus-mime-security-button-end-line-format))
8637 (gnus-insert-mime-security-button handle)))
8638 (mm-set-handle-multipart-parameter
8640 (cons (set-marker (make-marker) (point-min))
8641 (set-marker (make-marker) (point-max))))
8642 (goto-char (point-max))))
8644 (defun gnus-mime-security-run-function (function)
8645 "Run FUNCTION with the security part under point."
8646 (gnus-article-check-buffer)
8647 (let ((data (get-text-property (point) 'gnus-data))
8649 (when (and (stringp (car-safe data))
8650 (setq buffer (mm-handle-multipart-original-buffer data))
8651 (setq handle (cadr data)))
8652 (if (bufferp (mm-handle-buffer handle))
8654 (setq handle (cons buffer (copy-sequence (cdr handle))))
8655 (mm-handle-set-undisplayer handle nil))
8656 (setq handle (mm-make-handle
8658 (mm-handle-multipart-ctl-parameter handle 'protocol)
8659 nil nil nil nil nil nil)))
8660 (funcall function handle))))
8662 (defun gnus-mime-security-save-part ()
8663 "Save the security part under point."
8665 (gnus-mime-security-run-function 'mm-save-part))
8667 (defun gnus-mime-security-pipe-part ()
8668 "Pipe the security part under point to a process."
8670 (gnus-mime-security-run-function 'mm-pipe-part))
8676 (run-hooks 'gnus-art-load-hook)
8678 ;;; gnus-art.el ends here