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 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/>.
30 (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
34 (defvar w3m-minor-mode-map)
37 ;; Avoid the "Recursive load suspected" error in Emacs 21.1.
39 (let ((recursive-load-depth-limit 100))
52 (autoload 'gnus-msg-mail "gnus-msg" nil t)
53 (autoload 'gnus-button-mailto "gnus-msg")
54 (autoload 'gnus-button-reply "gnus-msg" nil t)
55 (autoload 'parse-time-string "parse-time" nil nil)
56 (autoload 'ansi-color-apply-on-region "ansi-color")
57 (autoload 'mm-url-insert-file-contents-external "mm-url")
58 (autoload 'mm-extern-cache-contents "mm-extern")
60 (defgroup gnus-article nil
62 :link '(custom-manual "(gnus)Article Buffer")
65 (defgroup gnus-article-treat nil
66 "Treating article parts."
67 :link '(custom-manual "(gnus)Article Hiding")
70 (defgroup gnus-article-hiding nil
71 "Hiding article parts."
72 :link '(custom-manual "(gnus)Article Hiding")
75 (defgroup gnus-article-highlight nil
76 "Article highlighting."
77 :link '(custom-manual "(gnus)Article Highlighting")
81 (defgroup gnus-article-signature nil
83 :link '(custom-manual "(gnus)Article Signature")
86 (defgroup gnus-article-headers nil
88 :link '(custom-manual "(gnus)Hiding Headers")
91 (defgroup gnus-article-washing nil
92 "Special commands on articles."
93 :link '(custom-manual "(gnus)Article Washing")
96 (defgroup gnus-article-emphasis nil
97 "Fontisizing articles."
98 :link '(custom-manual "(gnus)Article Fontisizing")
101 (defgroup gnus-article-saving nil
103 :link '(custom-manual "(gnus)Saving Articles")
104 :group 'gnus-article)
106 (defgroup gnus-article-mime nil
107 "Worshiping the MIME wonder."
108 :link '(custom-manual "(gnus)Using MIME")
109 :group 'gnus-article)
111 (defgroup gnus-article-buttons nil
112 "Pushable buttons in the article buffer."
113 :link '(custom-manual "(gnus)Article Buttons")
114 :group 'gnus-article)
116 (defgroup gnus-article-various nil
117 "Other article options."
118 :link '(custom-manual "(gnus)Misc Article")
119 :group 'gnus-article)
121 (defcustom gnus-ignored-headers
124 (concat "^" header ":"))
125 '("Path" "Expires" "Date-Received" "References" "Xref" "Lines"
126 "Relay-Version" "Message-ID" "Approved" "Sender" "Received"
127 "X-UIDL" "MIME-Version" "Return-Path" "In-Reply-To"
128 "Content-Type" "Content-Transfer-Encoding" "X-WebTV-Signature"
129 "X-MimeOLE" "X-MSMail-Priority" "X-Priority" "X-Loop"
130 "X-Authentication-Warning" "X-MIME-Autoconverted" "X-Face"
131 "X-Attribution" "X-Originating-IP" "Delivered-To"
132 "NNTP-[-A-Za-z]+" "Distribution" "X-no-archive" "X-Trace"
133 "X-Complaints-To" "X-NNTP-Posting-Host" "X-Orig.*"
134 "Abuse-Reports-To" "Cache-Post-Path" "X-Article-Creation-Date"
135 "X-Poster" "X-Mail2News-Path" "X-Server-Date" "X-Cache"
136 "Originator" "X-Problems-To" "X-Auth-User" "X-Post-Time"
137 "X-Admin" "X-UID" "Resent-[-A-Za-z]+" "X-Mailing-List"
138 "Precedence" "Original-[-A-Za-z]+" "X-filename" "X-Orcpt"
139 "Old-Received" "X-Pgp" "X-Auth" "X-From-Line"
140 "X-Gnus-Article-Number" "X-Majordomo" "X-Url" "X-Sender"
141 "MBOX-Line" "Priority" "X400-[-A-Za-z]+"
142 "Status" "X-Gnus-Mail-Source" "Cancel-Lock"
143 "X-FTN" "X-EXP32-SerialNo" "Encoding" "Importance"
144 "Autoforwarded" "Original-Encoded-Information-Types" "X-Ya-Pop3"
145 "X-Face-Version" "X-Vms-To" "X-ML-NAME" "X-ML-COUNT"
146 "Mailing-List" "X-finfo" "X-md5sum" "X-md5sum-Origin"
147 "X-Sun-Charset" "X-Accept-Language" "X-Envelope-Sender"
148 "List-[A-Za-z]+" "X-Listprocessor-Version"
149 "X-Received" "X-Distribute" "X-Sequence" "X-Juno-Line-Breaks"
150 "X-Notes-Item" "X-MS-TNEF-Correlator" "x-uunet-gateway"
151 "X-Received" "Content-length" "X-precedence"
152 "X-Authenticated-User" "X-Comment" "X-Report" "X-Abuse-Info"
153 "X-HTTP-Proxy" "X-Mydeja-Info" "X-Copyright" "X-No-Markup"
154 "X-Abuse-Info" "X-From_" "X-Accept-Language" "Errors-To"
155 "X-BeenThere" "X-Mailman-Version" "List-Help" "List-Post"
156 "List-Subscribe" "List-Id" "List-Unsubscribe" "List-Archive"
157 "X-Content-length" "X-Posting-Agent" "Original-Received"
158 "X-Request-PGP" "X-Fingerprint" "X-WRIEnvto" "X-WRIEnvfrom"
159 "X-Virus-Scanned" "X-Delivery-Agent" "Posted-Date" "X-Gateway"
160 "X-Local-Origin" "X-Local-Destination" "X-UserInfo1"
161 "X-Received-Date" "X-Hashcash" "Face" "X-DMCA-Notifications"
162 "X-Abuse-and-DMCA-Info" "X-Postfilter" "X-Gpg-.*" "X-Disclaimer"
163 "Envelope-To" "X-Spam-Score" "System-Type" "X-Injected-Via-Gmane"
164 "X-Gmane-NNTP-Posting-Host" "Jabber-ID" "Archived-At"
165 "Envelope-Sender" "Envelope-Recipients"))
166 "*All headers that start with this regexp will be hidden.
167 This variable can also be a list of regexps of headers to be ignored.
168 If `gnus-visible-headers' is non-nil, this variable will be ignored."
169 :type '(choice :custom-show nil
172 :group 'gnus-article-hiding)
174 (defcustom gnus-visible-headers
175 "^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:"
176 "*All headers that do not match this regexp will be hidden.
177 This variable can also be a list of regexp of headers to remain visible.
178 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
180 (repeat :value-to-internal (lambda (widget value)
181 (custom-split-regexp-maybe value))
182 :match (lambda (widget value)
184 (widget-editable-list-match widget value)))
186 (const :tag "Use gnus-ignored-headers" nil)
188 :group 'gnus-article-hiding)
190 (defcustom gnus-sorted-header-list
191 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
192 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
193 "*This variable is a list of regular expressions.
194 If it is non-nil, headers that match the regular expressions will
195 be placed first in the article buffer in the sequence specified by
197 :type '(repeat regexp)
198 :group 'gnus-article-hiding)
200 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
201 "Headers that are only to be displayed if they have interesting data.
202 Possible values in this list are:
204 'empty Headers with no content.
205 'newsgroups Newsgroup identical to Gnus group.
206 'to-address To identical to To-address.
207 'to-list To identical to To-list.
208 'cc-list CC identical to To-list.
209 'followup-to Followup-to identical to Newsgroups.
210 'reply-to Reply-to identical to From.
211 'date Date less than four days old.
212 'long-to To and/or Cc longer than 1024 characters.
213 'many-to Multiple To and/or Cc."
214 :type '(set (const :tag "Headers with no content." empty)
215 (const :tag "Newsgroups identical to Gnus group." newsgroups)
216 (const :tag "To identical to To-address." to-address)
217 (const :tag "To identical to To-list." to-list)
218 (const :tag "CC identical to To-list." cc-list)
219 (const :tag "Followup-to identical to Newsgroups." followup-to)
220 (const :tag "Reply-to identical to From." reply-to)
221 (const :tag "Date less than four days old." date)
222 (const :tag "To and/or Cc longer than 1024 characters." long-to)
223 (const :tag "Multiple To and/or Cc headers." many-to))
224 :group 'gnus-article-hiding)
226 (defcustom gnus-article-skip-boring nil
227 "Skip over text that is not worth reading.
228 By default, if you set this t, then Gnus will display citations and
229 signatures, but will never scroll down to show you a page consisting
230 only of boring text. Boring text is controlled by
231 `gnus-article-boring-faces'."
234 :group 'gnus-article-hiding)
236 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
237 "Regexp matching signature separator.
238 This can also be a list of regexps. In that case, it will be checked
239 from head to tail looking for a separator. Searches will be done from
240 the end of the buffer."
241 :type '(choice :format "%{%t%}: %[Value Menu%]\n%v"
243 (repeat :tag "List of regexp" regexp))
244 :group 'gnus-article-signature)
246 (defcustom gnus-signature-limit nil
247 "Provide a limit to what is considered a signature.
248 If it is a number, no signature may not be longer (in characters) than
249 that number. If it is a floating point number, no signature may be
250 longer (in lines) than that number. If it is a function, the function
251 will be called without any parameters, and if it returns nil, there is
252 no signature in the buffer. If it is a string, it will be used as a
253 regexp. If it matches, the text in question is not a signature.
255 This can also be a list of the above values."
256 :type '(choice (const nil)
260 (regexp :value ".*"))
261 :group 'gnus-article-signature)
263 (defcustom gnus-hidden-properties '(invisible t intangible t)
264 "Property list to use for hiding text."
266 :group 'gnus-article-hiding)
268 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
269 ;; frames in a session.
270 (defcustom gnus-article-x-face-command
271 (if (featurep 'xemacs)
272 (if (or (gnus-image-type-available-p 'xface)
273 (gnus-image-type-available-p 'pbm))
274 'gnus-display-x-face-in-from
275 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -")
276 (if (gnus-image-type-available-p 'pbm)
277 'gnus-display-x-face-in-from
278 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
280 "*String or function to be executed to display an X-Face header.
281 If it is a string, the command will be executed in a sub-shell
282 asynchronously. The compressed face will be piped to this command."
283 :type `(choice string
284 (function-item gnus-display-x-face-in-from)
288 :group 'gnus-article-washing)
290 (defcustom gnus-article-x-face-too-ugly nil
291 "Regexp matching posters whose face shouldn't be shown automatically."
292 :type '(choice regexp (const nil))
293 :group 'gnus-article-washing)
295 (defcustom gnus-article-banner-alist nil
296 "Banner alist for stripping.
298 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
300 :type '(repeat (cons symbol regexp))
301 :group 'gnus-article-washing)
303 (gnus-define-group-parameter
306 "Alist of regexps (to match group names) and banner."
307 :variable-group gnus-article-washing
309 '(choice :tag "Banner"
311 (const :tag "Remove signature" signature)
312 (symbol :tag "Item in `gnus-article-banner-alist'" none)
314 (const :tag "None" nil))
316 "If non-nil, specify how to remove `banners' from articles.
318 Symbol `signature' means to remove signatures delimited by
319 `gnus-signature-separator'. Any other symbol is used to look up a
320 regular expression to match the banner in `gnus-article-banner-alist'.
321 A string is used as a regular expression to match the banner
324 (defcustom gnus-article-address-banner-alist nil
325 "Alist of mail addresses and banners.
326 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
327 to match a mail address in the From: header, BANNER is one of a symbol
328 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
329 If ADDRESS matches author's mail address, it will remove things like
330 advertisements. For example:
332 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
336 (regexp :tag "Address")
337 (choice :tag "Banner" :value nil
338 (const :tag "Remove signature" signature)
339 (symbol :tag "Item in `gnus-article-banner-alist'" none)
341 (const :tag "None" nil))))
343 :group 'gnus-article-washing)
345 (defmacro gnus-emphasis-custom-with-format (&rest body)
347 \\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\
348 \\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)"))
351 (defun gnus-emphasis-custom-value-to-external (value)
352 (gnus-emphasis-custom-with-format
353 (if (consp (car value))
354 (list (format format (car (car value)) (cdr (car value)))
356 (if (nth 1 value) 2 3)
360 (defun gnus-emphasis-custom-value-to-internal (value)
361 (gnus-emphasis-custom-with-format
362 (let ((regexp (concat "\\`"
363 (format (regexp-quote format)
364 "\\([^()]+\\)" "\\([^()]+\\)")
367 (if (string-match regexp (setq pattern (car value)))
368 (list (cons (match-string 1 pattern) (match-string 2 pattern))
373 (defcustom gnus-emphasis-alist
375 '(("\\*" "\\*" bold nil 2)
378 ("_/" "/_" underline-italic)
379 ("_\\*" "\\*_" underline-bold)
380 ("\\*/" "/\\*" bold-italic)
381 ("_\\*/" "/\\*_" underline-bold-italic))))
383 (gnus-emphasis-custom-with-format
384 (mapcar (lambda (spec)
385 (list (format format (car spec) (cadr spec))
388 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
390 '(;; I've never seen anyone use this strikethru convention whereas I've
391 ;; several times seen it triggered by normal text. --Stef
392 ;; Miles suggests that this form is sometimes used but for italics,
393 ;; so maybe we should map it to `italic'.
394 ;; ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
395 ;; 2 3 gnus-emphasis-strikethru)
396 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
397 2 3 gnus-emphasis-underline))))
398 "*Alist that says how to fontify certain phrases.
399 Each item looks like this:
401 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
403 The first element is a regular expression to be matched. The second
404 is a number that says what regular expression grouping used to find
405 the entire emphasized word. The third is a number that says what
406 regexp grouping should be displayed and highlighted. The fourth
407 is the face used for highlighting."
411 :format "%[Customizing Style%]\n%v"
413 (group :tag "Default"
414 :value ("" 0 0 default)
417 (let ((value (widget-get
418 (cadr (widget-get (widget-get widget :parent)
421 (if (not (eq (nth 2 value) 'default))
425 (gnus-emphasis-custom-value-to-external value))))
426 (widget-group-value-create widget))
428 (integer :format "Match group: %v")
429 (integer :format "Emphasize group: %v")
432 :value (("_" . "_") nil default)
434 (regexp :format "Start regexp: %v")
435 (regexp :format "End regexp: %v"))
436 (boolean :format "Show start and end patterns: %[%v%]\n"
437 :on " On " :off " Off ")
439 :get (lambda (symbol)
440 (mapcar 'gnus-emphasis-custom-value-to-internal
441 (default-value symbol)))
442 :set (lambda (symbol value)
443 (set-default symbol (mapcar 'gnus-emphasis-custom-value-to-external
445 :group 'gnus-article-emphasis)
447 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
448 "A regexp to describe whitespace which should not be emphasized.
449 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
450 The former avoids underlining of leading and trailing whitespace,
451 and the latter avoids underlining any whitespace at all."
453 :group 'gnus-article-emphasis
456 (defface gnus-emphasis-bold '((t (:bold t)))
457 "Face used for displaying strong emphasized text (*word*)."
458 :group 'gnus-article-emphasis)
460 (defface gnus-emphasis-italic '((t (:italic t)))
461 "Face used for displaying italic emphasized text (/word/)."
462 :group 'gnus-article-emphasis)
464 (defface gnus-emphasis-underline '((t (:underline t)))
465 "Face used for displaying underlined emphasized text (_word_)."
466 :group 'gnus-article-emphasis)
468 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
469 "Face used for displaying underlined bold emphasized text (_*word*_)."
470 :group 'gnus-article-emphasis)
472 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
473 "Face used for displaying underlined italic emphasized text (_/word/_)."
474 :group 'gnus-article-emphasis)
476 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
477 "Face used for displaying bold italic emphasized text (/*word*/)."
478 :group 'gnus-article-emphasis)
480 (defface gnus-emphasis-underline-bold-italic
481 '((t (:bold t :italic t :underline t)))
482 "Face used for displaying underlined bold italic emphasized text.
483 Example: (_/*word*/_)."
484 :group 'gnus-article-emphasis)
486 (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
487 '((t (:strikethru t)))
488 '((t (:strike-through t))))
489 "Face used for displaying strike-through text (-word-)."
490 :group 'gnus-article-emphasis)
492 (defface gnus-emphasis-highlight-words
493 '((t (:background "black" :foreground "yellow")))
494 "Face used for displaying highlighted words."
495 :group 'gnus-article-emphasis)
497 (defcustom gnus-article-time-format "%a, %d %b %Y %T %Z"
498 "Format for display of Date headers in article bodies.
499 See `format-time-string' for the possible values.
501 The variable can also be function, which should return a complete Date
502 header. The function is called with one argument, the time, which can
503 be fed to `format-time-string'."
504 :type '(choice string function)
505 :link '(custom-manual "(gnus)Article Date")
506 :group 'gnus-article-washing)
508 (defcustom gnus-save-all-headers t
509 "*If non-nil, don't remove any headers before saving.
510 This will be overridden by the `:headers' property that the symbol of
511 the saver function, which is specified by `gnus-default-article-saver',
513 :group 'gnus-article-saving
516 (defcustom gnus-prompt-before-saving 'always
517 "*This variable says how much prompting is to be done when saving articles.
518 If it is nil, no prompting will be done, and the articles will be
519 saved to the default files. If this variable is `always', each and
520 every article that is saved will be preceded by a prompt, even when
521 saving large batches of articles. If this variable is neither nil not
522 `always', there the user will be prompted once for a file name for
523 each invocation of the saving commands."
524 :group 'gnus-article-saving
525 :type '(choice (item always)
526 (item :tag "never" nil)
527 (sexp :tag "once" :format "%t\n" :value t)))
529 (defcustom gnus-saved-headers gnus-visible-headers
530 "Headers to keep if `gnus-save-all-headers' is nil.
531 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
532 If that variable is nil, however, all headers that match this regexp
533 will be kept while the rest will be deleted before saving. This and
534 `gnus-save-all-headers' will be overridden by the `:headers' property
535 that the symbol of the saver function, which is specified by
536 `gnus-default-article-saver', might have."
537 :group 'gnus-article-saving
540 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
541 "A function to save articles in your favourite format.
542 The function will be called by way of the `gnus-summary-save-article'
543 command, and friends such as `gnus-summary-save-article-rmail'.
545 Gnus provides the following functions:
547 * gnus-summary-save-in-rmail (Rmail format)
548 * gnus-summary-save-in-mail (Unix mail format)
549 * gnus-summary-save-in-folder (MH folder)
550 * gnus-summary-save-in-file (article format)
551 * gnus-summary-save-body-in-file (article body)
552 * gnus-summary-save-in-vm (use VM's folder format)
553 * gnus-summary-write-to-file (article format -- overwrite)
554 * gnus-summary-write-body-to-file (article body -- overwrite)
555 * gnus-summary-save-in-pipe (article format)
557 The symbol of each function may have the following properties:
560 The value non-nil means save decoded articles. This is meaningful
561 only with `gnus-summary-save-in-file', `gnus-summary-save-body-in-file',
562 `gnus-summary-write-to-file', `gnus-summary-write-body-to-file', and
563 `gnus-summary-save-in-pipe'.
566 The value specifies an alternative function which appends, not
567 overwrites, articles to a file. This implies that when saving many
568 articles at a time, `gnus-prompt-before-saving' is bound to t and all
569 articles are saved in a single file. This is meaningful only with
570 `gnus-summary-write-to-file' and `gnus-summary-write-body-to-file'.
573 The value specifies the symbol of a variable of which the value
574 specifies headers to be saved. If it is omitted,
575 `gnus-save-all-headers' and `gnus-saved-headers' control what
576 headers should be saved."
577 :group 'gnus-article-saving
578 :type '(radio (function-item gnus-summary-save-in-rmail)
579 (function-item gnus-summary-save-in-mail)
580 (function-item gnus-summary-save-in-folder)
581 (function-item gnus-summary-save-in-file)
582 (function-item gnus-summary-save-body-in-file)
583 (function-item gnus-summary-save-in-vm)
584 (function-item gnus-summary-write-to-file)
585 (function-item gnus-summary-write-body-to-file)
586 (function-item gnus-summary-save-in-pipe)
589 (defcustom gnus-article-save-coding-system
590 (or (and (mm-coding-system-p 'utf-8) 'utf-8)
591 (and (mm-coding-system-p 'iso-2022-7bit) 'iso-2022-7bit)
592 (and (mm-coding-system-p 'emacs-mule) 'emacs-mule)
593 (and (mm-coding-system-p 'escape-quoted) 'escape-quoted))
594 "Coding system used to save decoded articles to a file.
596 The recommended coding systems are `utf-8', `iso-2022-7bit' and so on,
597 which can safely encode any characters in text. This is used by the
600 * gnus-summary-save-article-file
601 * gnus-summary-save-article-body-file
602 * gnus-summary-write-article-file
603 * gnus-summary-write-article-body-file
605 and the functions to which you may set `gnus-default-article-saver':
607 * gnus-summary-save-in-file
608 * gnus-summary-save-body-in-file
609 * gnus-summary-write-to-file
610 * gnus-summary-write-body-to-file
612 Those commands and functions save just text displayed in the article
613 buffer to a file if the value of this variable is non-nil. Note that
614 buttonized MIME parts will be lost in a saved file in that case.
615 Otherwise, raw articles will be saved."
616 :group 'gnus-article-saving
618 :format "%{%t%}:\n %[Value Menu%] %v"
619 (const :tag "Save raw articles" nil)
622 (lambda (arg) (if (mm-coding-system-p (nth 3 arg)) arg))
623 '((const :tag "UTF-8" utf-8)
624 (const :tag "iso-2022-7bit" iso-2022-7bit)
625 (const :tag "Emacs internal" emacs-mule)
626 (const :tag "escape-quoted" escape-quoted))))
627 (symbol :tag "Coding system")))
629 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
630 "A function generating a file name to save articles in Rmail format.
631 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
632 :group 'gnus-article-saving
635 (defcustom gnus-mail-save-name 'gnus-plain-save-name
636 "A function generating a file name to save articles in Unix mail format.
637 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
638 :group 'gnus-article-saving
641 (defcustom gnus-folder-save-name 'gnus-folder-save-name
642 "A function generating a file name to save articles in MH folder.
643 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
644 :group 'gnus-article-saving
647 (defcustom gnus-file-save-name 'gnus-numeric-save-name
648 "A function generating a file name to save articles in article format.
649 The function is called with NEWSGROUP, HEADERS, and optional
651 :group 'gnus-article-saving
654 (defcustom gnus-split-methods
655 '((gnus-article-archive-name)
656 (gnus-article-nndoc-name))
657 "*Variable used to suggest where articles are to be saved.
658 For instance, if you would like to save articles related to Gnus in
659 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
660 you could set this variable to something like:
662 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
663 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
665 This variable is an alist where the key is the match and the
666 value is a list of possible files to save in if the match is
669 If the match is a string, it is used as a regexp match on the
670 article. If the match is a symbol, that symbol will be funcalled
671 from the buffer of the article to be saved with the newsgroup as the
672 parameter. If it is a list, it will be evaled in the same buffer.
674 If this form or function returns a string, this string will be used as a
675 possible file name; and if it returns a non-nil list, that list will be
676 used as possible file names."
677 :group 'gnus-article-saving
678 :type '(repeat (choice (list :value (fun) function)
679 (cons :value ("" "") regexp (repeat string))
682 (defcustom gnus-page-delimiter "^\^L"
683 "*Regexp describing what to use as article page delimiters.
684 The default value is \"^\^L\", which is a form linefeed at the
685 beginning of a line."
687 :group 'gnus-article-various)
689 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
690 "*The format specification for the article mode line.
691 See `gnus-summary-mode-line-format' for a closer description.
693 The following additional specs are available:
695 %w The article washing status.
696 %m The number of MIME parts in the article."
698 :group 'gnus-article-various)
700 (defcustom gnus-article-mode-hook nil
701 "*A hook for Gnus article mode."
703 :group 'gnus-article-various)
705 (when (featurep 'xemacs)
706 ;; Extracted from gnus-xmas-define in order to preserve user settings
707 (when (fboundp 'turn-off-scroll-in-place)
708 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
709 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
710 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
712 (defcustom gnus-article-menu-hook nil
713 "*Hook run after the creation of the article mode menu."
715 :group 'gnus-article-various)
717 (defcustom gnus-article-prepare-hook nil
718 "*A hook called after an article has been prepared in the article buffer."
720 :group 'gnus-article-various)
722 (defcustom gnus-copy-article-ignored-headers nil
723 "List of headers to be removed when copying an article.
724 Each element is a regular expression."
725 :version "23.1" ;; No Gnus
726 :type '(repeat regexp)
727 :group 'gnus-article-various)
729 (make-obsolete-variable 'gnus-article-hide-pgp-hook
730 "This variable is obsolete in Gnus 5.10.")
733 '((t (:weight bold)))
734 "Face used for highlighting a button in the article buffer."
735 :group 'gnus-article-buttons)
737 (defcustom gnus-article-button-face 'gnus-button
738 "Face used for highlighting buttons in the article buffer.
740 An article button is a piece of text that you can activate by pressing
741 `RET' or `mouse-2' above it."
743 :group 'gnus-article-buttons)
745 (defcustom gnus-article-mouse-face 'highlight
746 "Face used for mouse highlighting in the article buffer.
748 Article buttons will be displayed in this face when the cursor is
751 :group 'gnus-article-buttons)
753 (defcustom gnus-signature-face 'gnus-signature
754 "Face used for highlighting a signature in the article buffer.
755 Obsolete; use the face `gnus-signature' for customizations instead."
757 :group 'gnus-article-highlight
758 :group 'gnus-article-signature)
760 (defface gnus-signature
763 "Face used for highlighting a signature in the article buffer."
764 :group 'gnus-article-highlight
765 :group 'gnus-article-signature)
766 ;; backward-compatibility alias
767 (put 'gnus-signature-face 'face-alias 'gnus-signature)
769 (defface gnus-header-from
772 (:foreground "PaleGreen1"))
775 (:foreground "red3"))
778 "Face used for displaying from headers."
779 :group 'gnus-article-headers
780 :group 'gnus-article-highlight)
781 ;; backward-compatibility alias
782 (put 'gnus-header-from-face 'face-alias 'gnus-header-from)
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)
799 (defface gnus-header-newsgroups
802 (:foreground "yellow" :italic t))
805 (:foreground "MidnightBlue" :italic t))
808 "Face used for displaying newsgroups headers.
809 In the default setup this face is only used for crossposted
811 :group 'gnus-article-headers
812 :group 'gnus-article-highlight)
813 ;; backward-compatibility alias
814 (put 'gnus-header-newsgroups-face 'face-alias 'gnus-header-newsgroups)
816 (defface gnus-header-name
819 (:foreground "SpringGreen2"))
822 (:foreground "maroon"))
825 "Face used for displaying header names."
826 :group 'gnus-article-headers
827 :group 'gnus-article-highlight)
828 ;; backward-compatibility alias
829 (put 'gnus-header-name-face 'face-alias 'gnus-header-name)
831 (defface gnus-header-content
834 (:foreground "SpringGreen1" :italic t))
837 (:foreground "indianred4" :italic t))
839 (:italic t))) "Face used for displaying header content."
840 :group 'gnus-article-headers
841 :group 'gnus-article-highlight)
842 ;; backward-compatibility alias
843 (put 'gnus-header-content-face 'face-alias 'gnus-header-content)
845 (defcustom gnus-header-face-alist
846 '(("From" nil gnus-header-from)
847 ("Subject" nil gnus-header-subject)
848 ("Newsgroups:.*," nil gnus-header-newsgroups)
849 ("" gnus-header-name gnus-header-content))
850 "*Controls highlighting of article headers.
852 An alist of the form (HEADER NAME CONTENT).
854 HEADER is a regular expression which should match the name of a
855 header and NAME and CONTENT are either face names or nil.
857 The name of each header field will be displayed using the face
858 specified by the first element in the list where HEADER matches
859 the header name and NAME is non-nil. Similarly, the content will
860 be displayed by the first non-nil matching CONTENT face."
861 :group 'gnus-article-headers
862 :group 'gnus-article-highlight
863 :type '(repeat (list (regexp :tag "Header")
865 (item :tag "skip" nil)
866 (face :value default))
867 (choice :tag "Content"
868 (item :tag "skip" nil)
869 (face :value default)))))
871 (defcustom gnus-face-properties-alist (if (featurep 'xemacs)
872 '((xface . (:face gnus-x-face)))
873 '((pbm . (:face gnus-x-face))
875 "Alist of image types and properties applied to Face and X-Face images.
878 ;; Specify the altitude of Face images in the From header.
879 \(setq gnus-face-properties-alist
880 '((pbm . (:face gnus-x-face :ascent 80))
881 (png . (:ascent 80))))
883 ;; Show Face images as pressed buttons.
884 \(setq gnus-face-properties-alist
885 '((pbm . (:face gnus-x-face :relief -2))
886 (png . (:relief -2))))
888 See the manual for the valid properties for various image types.
889 Currently, `pbm' is used for X-Face images and `png' is used for Face
890 images in Emacs. Only the `:face' property is effective on the `xface'
891 image type in XEmacs if it is built with the libcompface library."
892 :version "23.1" ;; No Gnus
893 :group 'gnus-article-headers
894 :type '(repeat (cons :format "%v" (symbol :tag "Image type") plist)))
896 (defcustom gnus-article-decode-hook
897 '(article-decode-charset article-decode-encoded-words
898 article-decode-group-name article-decode-idna-rhs)
899 "*Hook run to decode charsets in articles."
900 :group 'gnus-article-headers
903 (defcustom gnus-display-mime-function 'gnus-display-mime
904 "Function to display MIME articles."
905 :group 'gnus-article-mime
908 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
909 "Function used to decode headers.")
911 (defvar gnus-decode-address-function 'mail-decode-encoded-address-region
912 "Function used to decode addresses.")
914 (defvar gnus-article-dumbquotes-map
934 "Table for MS-to-Latin1 translation.")
936 (defcustom gnus-ignored-mime-types nil
937 "List of MIME types that should be ignored by Gnus."
939 :group 'gnus-article-mime
940 :type '(repeat regexp))
942 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
943 "List of MIME types that should not be given buttons when rendered inline.
944 See also `gnus-buttonized-mime-types' which may override this variable.
945 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
947 :group 'gnus-article-mime
948 :type '(repeat regexp))
950 (defcustom gnus-buttonized-mime-types nil
951 "List of MIME types that should be given buttons when rendered inline.
952 If set, this variable overrides `gnus-unbuttonized-mime-types'.
953 To see e.g. security buttons you could set this to
954 `(\"multipart/signed\")'. You could also add \"multipart/alternative\" to
955 this list to display radio buttons that allow you to choose one of two
956 media types those mails include. See also `mm-discouraged-alternatives'.
957 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
959 :group 'gnus-article-mime
960 :type '(repeat regexp))
962 (defcustom gnus-inhibit-mime-unbuttonizing nil
963 "If non-nil, all MIME parts get buttons.
964 When nil (the default value), then some MIME parts do not get buttons,
965 as described by the variables `gnus-buttonized-mime-types' and
966 `gnus-unbuttonized-mime-types'."
968 :group 'gnus-article-mime
971 (defcustom gnus-body-boundary-delimiter "_"
972 "String used to delimit header and body.
973 This variable is used by `gnus-article-treat-body-boundary' which can
974 be controlled by `gnus-treat-body-boundary'."
976 :group 'gnus-article-various
977 :type '(choice (item :tag "None" :value nil)
980 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces"
982 "Defines the location of the faces database.
983 For information on obtaining this database of pretty pictures, please
984 see http://www.cs.indiana.edu/picons/ftp/index.html"
986 :type '(repeat directory)
987 :link '(url-link :tag "download"
988 "http://www.cs.indiana.edu/picons/ftp/index.html")
989 :link '(custom-manual "(gnus)Picons")
992 (defun gnus-picons-installed-p ()
993 "Say whether picons are installed on your machine."
994 (let ((installed nil))
995 (dolist (database gnus-picon-databases)
996 (when (file-exists-p database)
1000 (defcustom gnus-article-mime-part-function nil
1001 "Function called with a MIME handle as the argument.
1002 This is meant for people who want to do something automatic based
1003 on parts -- for instance, adding Vcard info to a database."
1004 :group 'gnus-article-mime
1005 :type '(choice (const nil)
1008 (defcustom gnus-mime-multipart-functions nil
1009 "An alist of MIME types to functions to display them."
1011 :group 'gnus-article-mime
1012 :type '(repeat (cons :format "%v" (string :tag "MIME type") function)))
1014 (defcustom gnus-article-date-lapsed-new-header nil
1015 "Whether the X-Sent and Date headers can coexist.
1016 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
1017 either replace the old \"Date:\" header (if this variable is nil), or
1018 be added below it (otherwise)."
1020 :group 'gnus-article-headers
1023 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
1024 "Function called with a MIME handle as the argument.
1025 This is meant for people who want to view first matched part.
1026 For `undisplayed-alternative' (default), the first undisplayed
1027 part or alternative part is used. For `undisplayed', the first
1028 undisplayed part is used. For a function, the first part which
1029 the function return t is used. For nil, the first part is
1032 :group 'gnus-article-mime
1034 (item :tag "first" :value nil)
1035 (item :tag "undisplayed" :value undisplayed)
1036 (item :tag "undisplayed or alternative"
1037 :value undisplayed-alternative)
1040 (defcustom gnus-mime-action-alist
1041 '(("save to file" . gnus-mime-save-part)
1042 ("save and strip" . gnus-mime-save-part-and-strip)
1043 ("replace with file" . gnus-mime-replace-part)
1044 ("delete part" . gnus-mime-delete-part)
1045 ("display as text" . gnus-mime-inline-part)
1046 ("view the part" . gnus-mime-view-part)
1047 ("pipe to command" . gnus-mime-pipe-part)
1048 ("toggle display" . gnus-article-press-button)
1049 ("toggle display" . gnus-article-view-part-as-charset)
1050 ("view as type" . gnus-mime-view-part-as-type)
1051 ("view internally" . gnus-mime-view-part-internally)
1052 ("view externally" . gnus-mime-view-part-externally))
1053 "An alist of actions that run on the MIME attachment."
1054 :group 'gnus-article-mime
1055 :type '(repeat (cons (string :tag "name")
1058 (defcustom gnus-auto-select-part 1
1059 "Advance to next MIME part when deleting or stripping parts.
1061 When 0, point will be placed on the same part as before. When
1062 positive (negative), move point forward (backwards) this many
1063 parts. When nil, redisplay article."
1064 :version "23.1" ;; No Gnus
1065 :group 'gnus-article-mime
1066 :type '(choice (const nil :tag "Redisplay article.")
1067 (const 1 :tag "Next part.")
1068 (const 0 :tag "Current part.")
1072 ;;; The treatment variables
1075 (defvar gnus-part-display-hook nil
1076 "Hook called on parts that are to receive treatment.")
1078 (defvar gnus-article-treat-custom
1079 '(choice (const :tag "Off" nil)
1081 (const :tag "Header" head)
1082 (const :tag "First" first)
1083 (const :tag "Last" last)
1084 (integer :tag "Less")
1085 (repeat :tag "Groups" regexp)
1086 (sexp :tag "Predicate")))
1088 (defvar gnus-article-treat-head-custom
1089 '(choice (const :tag "Off" nil)
1090 (const :tag "Header" head)))
1092 (defvar gnus-article-treat-types '("text/plain" "text/x-verbatim"
1096 (defvar gnus-inhibit-treatment nil
1097 "Whether to inhibit treatment.")
1099 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
1100 "Highlight the signature.
1101 Valid values are nil, t, `head', `first', `last', an integer or a
1102 predicate. See Info node `(gnus)Customizing Articles'."
1103 :group 'gnus-article-treat
1104 :link '(custom-manual "(gnus)Customizing Articles")
1105 :type gnus-article-treat-custom)
1106 (put 'gnus-treat-highlight-signature 'highlight t)
1108 (defcustom gnus-treat-buttonize 100000
1110 Valid values are nil, t, `head', `first', `last', an integer or a
1111 predicate. See Info node `(gnus)Customizing Articles'."
1112 :group 'gnus-article-treat
1113 :link '(custom-manual "(gnus)Customizing Articles")
1114 :type gnus-article-treat-custom)
1115 (put 'gnus-treat-buttonize 'highlight t)
1117 (defcustom gnus-treat-buttonize-head 'head
1118 "Add buttons to the head.
1119 Valid values are nil, t, `head', `first', `last', an integer or a
1120 predicate. See Info node `(gnus)Customizing Articles'."
1121 :group 'gnus-article-treat
1122 :link '(custom-manual "(gnus)Customizing Articles")
1123 :type gnus-article-treat-head-custom)
1124 (put 'gnus-treat-buttonize-head 'highlight t)
1126 (defcustom gnus-treat-emphasize 50000
1128 Valid values are nil, t, `head', `first', `last', an integer or a
1129 predicate. See Info node `(gnus)Customizing Articles'."
1130 :group 'gnus-article-treat
1131 :link '(custom-manual "(gnus)Customizing Articles")
1132 :type gnus-article-treat-custom)
1133 (put 'gnus-treat-emphasize 'highlight t)
1135 (defcustom gnus-treat-strip-cr nil
1136 "Remove carriage returns.
1137 Valid values are nil, t, `head', `first', `last', an integer or a
1138 predicate. See Info node `(gnus)Customizing Articles'."
1140 :group 'gnus-article-treat
1141 :link '(custom-manual "(gnus)Customizing Articles")
1142 :type gnus-article-treat-custom)
1144 (defcustom gnus-treat-unsplit-urls nil
1145 "Remove newlines from within URLs.
1146 Valid values are nil, t, `head', `first', `last', an integer or a
1147 predicate. See Info node `(gnus)Customizing Articles'."
1149 :group 'gnus-article-treat
1150 :link '(custom-manual "(gnus)Customizing Articles")
1151 :type gnus-article-treat-custom)
1153 (defcustom gnus-treat-leading-whitespace nil
1154 "Remove leading whitespace in headers.
1155 Valid values are nil, t, `head', `first', `last', an integer or a
1156 predicate. See Info node `(gnus)Customizing Articles'."
1158 :group 'gnus-article-treat
1159 :link '(custom-manual "(gnus)Customizing Articles")
1160 :type gnus-article-treat-custom)
1162 (defcustom gnus-treat-hide-headers 'head
1164 Valid values are nil, t, `head', `first', `last', an integer or a
1165 predicate. See Info node `(gnus)Customizing Articles'."
1166 :group 'gnus-article-treat
1167 :link '(custom-manual "(gnus)Customizing Articles")
1168 :type gnus-article-treat-head-custom)
1170 (defcustom gnus-treat-hide-boring-headers nil
1171 "Hide boring headers.
1172 Valid values are nil, t, `head', `first', `last', an integer or a
1173 predicate. See Info node `(gnus)Customizing Articles'."
1174 :group 'gnus-article-treat
1175 :link '(custom-manual "(gnus)Customizing Articles")
1176 :type gnus-article-treat-head-custom)
1178 (defcustom gnus-treat-hide-signature nil
1179 "Hide the signature.
1180 Valid values are nil, t, `head', `first', `last', an integer or a
1181 predicate. See Info node `(gnus)Customizing Articles'."
1182 :group 'gnus-article-treat
1183 :link '(custom-manual "(gnus)Customizing Articles")
1184 :type gnus-article-treat-custom)
1186 (defcustom gnus-treat-fill-article nil
1188 Valid values are nil, t, `head', `first', `last', an integer or a
1189 predicate. See Info node `(gnus)Customizing Articles'."
1190 :group 'gnus-article-treat
1191 :link '(custom-manual "(gnus)Customizing Articles")
1192 :type gnus-article-treat-custom)
1194 (defcustom gnus-treat-hide-citation nil
1196 Valid values are nil, t, `head', `first', `last', an integer or a
1197 predicate. See Info node `(gnus)Customizing Articles'."
1198 :group 'gnus-article-treat
1199 :link '(custom-manual "(gnus)Customizing Articles")
1200 :type gnus-article-treat-custom)
1202 (defcustom gnus-treat-hide-citation-maybe nil
1204 Valid values are nil, t, `head', `first', `last', an integer or a
1205 predicate. See Info node `(gnus)Customizing Articles'."
1206 :group 'gnus-article-treat
1207 :link '(custom-manual "(gnus)Customizing Articles")
1208 :type gnus-article-treat-custom)
1210 (defcustom gnus-treat-strip-list-identifiers 'head
1211 "Strip list identifiers from `gnus-list-identifiers`.
1212 Valid values are nil, t, `head', `first', `last', an integer or a
1213 predicate. See Info node `(gnus)Customizing Articles'."
1215 :group 'gnus-article-treat
1216 :link '(custom-manual "(gnus)Customizing Articles")
1217 :type gnus-article-treat-custom)
1219 (make-obsolete-variable 'gnus-treat-strip-pgp
1220 "This option is obsolete in Gnus 5.10.")
1222 (defcustom gnus-treat-strip-pem nil
1223 "Strip PEM signatures.
1224 Valid values are nil, t, `head', `first', `last', an integer or a
1225 predicate. See Info node `(gnus)Customizing Articles'."
1226 :group 'gnus-article-treat
1227 :link '(custom-manual "(gnus)Customizing Articles")
1228 :type gnus-article-treat-custom)
1230 (defcustom gnus-treat-strip-banner t
1231 "Strip banners from articles.
1232 The banner to be stripped is specified in the `banner' group parameter.
1233 Valid values are nil, t, `head', `first', `last', an integer or a
1234 predicate. See Info node `(gnus)Customizing Articles'."
1235 :group 'gnus-article-treat
1236 :link '(custom-manual "(gnus)Customizing Articles")
1237 :type gnus-article-treat-custom)
1239 (defcustom gnus-treat-highlight-headers 'head
1240 "Highlight the headers.
1241 Valid values are nil, t, `head', `first', `last', an integer or a
1242 predicate. See Info node `(gnus)Customizing Articles'."
1243 :group 'gnus-article-treat
1244 :link '(custom-manual "(gnus)Customizing Articles")
1245 :type gnus-article-treat-head-custom)
1246 (put 'gnus-treat-highlight-headers 'highlight t)
1248 (defcustom gnus-treat-highlight-citation t
1249 "Highlight cited text.
1250 Valid values are nil, t, `head', `first', `last', an integer or a
1251 predicate. See Info node `(gnus)Customizing Articles'."
1252 :group 'gnus-article-treat
1253 :link '(custom-manual "(gnus)Customizing Articles")
1254 :type gnus-article-treat-custom)
1255 (put 'gnus-treat-highlight-citation 'highlight t)
1257 (defcustom gnus-treat-date-ut nil
1258 "Display the Date in UT (GMT).
1259 Valid values are nil, t, `head', `first', `last', an integer or a
1260 predicate. See Info node `(gnus)Customizing Articles'."
1261 :group 'gnus-article-treat
1262 :link '(custom-manual "(gnus)Customizing Articles")
1263 :type gnus-article-treat-head-custom)
1265 (defcustom gnus-treat-date-local nil
1266 "Display the Date in the local timezone.
1267 Valid values are nil, t, `head', `first', `last', an integer or a
1268 predicate. See Info node `(gnus)Customizing Articles'."
1269 :group 'gnus-article-treat
1270 :link '(custom-manual "(gnus)Customizing Articles")
1271 :type gnus-article-treat-head-custom)
1273 (defcustom gnus-treat-date-english nil
1274 "Display the Date in a format that can be read aloud in English.
1275 Valid values are nil, t, `head', `first', `last', an integer or a
1276 predicate. See Info node `(gnus)Customizing Articles'."
1278 :group 'gnus-article-treat
1279 :link '(custom-manual "(gnus)Customizing Articles")
1280 :type gnus-article-treat-head-custom)
1282 (defcustom gnus-treat-date-lapsed nil
1283 "Display the Date header in a way that says how much time has elapsed.
1284 Valid values are nil, t, `head', `first', `last', an integer or a
1285 predicate. See Info node `(gnus)Customizing Articles'."
1286 :group 'gnus-article-treat
1287 :link '(custom-manual "(gnus)Customizing Articles")
1288 :type gnus-article-treat-head-custom)
1290 (defcustom gnus-treat-date-original nil
1291 "Display the date in the original timezone.
1292 Valid values are nil, t, `head', `first', `last', an integer or a
1293 predicate. See Info node `(gnus)Customizing Articles'."
1294 :group 'gnus-article-treat
1295 :link '(custom-manual "(gnus)Customizing Articles")
1296 :type gnus-article-treat-head-custom)
1298 (defcustom gnus-treat-date-iso8601 nil
1299 "Display the date in the ISO8601 format.
1300 Valid values are nil, t, `head', `first', `last', an integer or a
1301 predicate. See Info node `(gnus)Customizing Articles'."
1303 :group 'gnus-article-treat
1304 :link '(custom-manual "(gnus)Customizing Articles")
1305 :type gnus-article-treat-head-custom)
1307 (defcustom gnus-treat-date-user-defined nil
1308 "Display the date in a user-defined format.
1309 The format is defined by the `gnus-article-time-format' variable.
1310 Valid values are nil, t, `head', `first', `last', an integer or a
1311 predicate. See Info node `(gnus)Customizing Articles'."
1312 :group 'gnus-article-treat
1313 :link '(custom-manual "(gnus)Customizing Articles")
1314 :type gnus-article-treat-head-custom)
1316 (defcustom gnus-treat-strip-headers-in-body t
1317 "Strip the X-No-Archive header line from the beginning of the body.
1318 Valid values are nil, t, `head', `first', `last', an integer or a
1319 predicate. See Info node `(gnus)Customizing Articles'."
1321 :group 'gnus-article-treat
1322 :link '(custom-manual "(gnus)Customizing Articles")
1323 :type gnus-article-treat-custom)
1325 (defcustom gnus-treat-strip-trailing-blank-lines nil
1326 "Strip trailing blank lines.
1327 Valid values are nil, t, `head', `first', `last', an integer or a
1328 predicate. See Info node `(gnus)Customizing Articles'.
1330 When set to t, it also strips trailing blanks in all MIME parts.
1331 Consider to use `last' instead."
1332 :group 'gnus-article-treat
1333 :link '(custom-manual "(gnus)Customizing Articles")
1334 :type gnus-article-treat-custom)
1336 (defcustom gnus-treat-strip-leading-blank-lines nil
1337 "Strip leading blank lines.
1338 Valid values are nil, t, `head', `first', `last', an integer or a
1339 predicate. See Info node `(gnus)Customizing Articles'.
1341 When set to t, it also strips trailing blanks in all MIME parts."
1342 :group 'gnus-article-treat
1343 :link '(custom-manual "(gnus)Customizing Articles")
1344 :type gnus-article-treat-custom)
1346 (defcustom gnus-treat-strip-multiple-blank-lines nil
1347 "Strip multiple blank lines.
1348 Valid values are nil, t, `head', `first', `last', an integer or a
1349 predicate. See Info node `(gnus)Customizing Articles'."
1350 :group 'gnus-article-treat
1351 :link '(custom-manual "(gnus)Customizing Articles")
1352 :type gnus-article-treat-custom)
1354 (defcustom gnus-treat-unfold-headers 'head
1355 "Unfold folded header lines.
1356 Valid values are nil, t, `head', `first', `last', an integer or a
1357 predicate. See Info node `(gnus)Customizing Articles'."
1359 :group 'gnus-article-treat
1360 :link '(custom-manual "(gnus)Customizing Articles")
1361 :type gnus-article-treat-custom)
1363 (defcustom gnus-article-unfold-long-headers nil
1364 "If non-nil, allow unfolding headers even if the header is long.
1365 If it is a regexp, only long headers matching this regexp are unfolded.
1366 If it is t, all long headers are unfolded.
1368 This variable has no effect if `gnus-treat-unfold-headers' is nil."
1369 :version "23.1" ;; No Gnus
1370 :group 'gnus-article-treat
1371 :type '(choice (const nil)
1372 (const :tag "all" t)
1375 (defcustom gnus-treat-fold-headers nil
1377 Valid values are nil, t, `head', `first', `last', an integer or a
1378 predicate. See Info node `(gnus)Customizing Articles'."
1380 :group 'gnus-article-treat
1381 :link '(custom-manual "(gnus)Customizing Articles")
1382 :type gnus-article-treat-custom)
1384 (defcustom gnus-treat-fold-newsgroups 'head
1385 "Fold the Newsgroups and Followup-To headers.
1386 Valid values are nil, t, `head', `first', `last', an integer or a
1387 predicate. See Info node `(gnus)Customizing Articles'."
1389 :group 'gnus-article-treat
1390 :link '(custom-manual "(gnus)Customizing Articles")
1391 :type gnus-article-treat-custom)
1393 (defcustom gnus-treat-overstrike t
1394 "Treat overstrike highlighting.
1395 Valid values are nil, t, `head', `first', `last', an integer or a
1396 predicate. See Info node `(gnus)Customizing Articles'."
1397 :group 'gnus-article-treat
1398 :link '(custom-manual "(gnus)Customizing Articles")
1399 :type gnus-article-treat-custom)
1400 (put 'gnus-treat-overstrike 'highlight t)
1402 (defcustom gnus-treat-ansi-sequences (if (locate-library "ansi-color") t)
1403 "Treat ANSI SGR control sequences.
1404 Valid values are nil, t, `head', `first', `last', an integer or a
1405 predicate. See Info node `(gnus)Customizing Articles'."
1406 :group 'gnus-article-treat
1407 :link '(custom-manual "(gnus)Customizing Articles")
1408 :type gnus-article-treat-custom)
1410 (make-obsolete-variable 'gnus-treat-display-xface
1411 'gnus-treat-display-x-face)
1413 (defcustom gnus-treat-display-x-face
1414 (and (not noninteractive)
1415 (gnus-image-type-available-p 'xbm)
1416 (if (featurep 'xemacs)
1418 (and (string-match "^0x" (shell-command-to-string "uncompface"))
1419 (executable-find "icontopbm")))
1421 "Display X-Face headers.
1422 Valid values are nil and `head'.
1423 See Info node `(gnus)Customizing Articles' and Info node
1424 `(gnus)X-Face' for details."
1425 :group 'gnus-article-treat
1427 :link '(custom-manual "(gnus)Customizing Articles")
1428 :link '(custom-manual "(gnus)X-Face")
1429 :type gnus-article-treat-head-custom
1430 :set (lambda (symbol value)
1433 (cond ((or (boundp symbol) (get symbol 'saved-value))
1435 ((boundp 'gnus-treat-display-xface)
1437 ** gnus-treat-display-xface is an obsolete variable;\
1438 use gnus-treat-display-x-face instead")
1439 (default-value 'gnus-treat-display-xface))
1440 ((get 'gnus-treat-display-xface 'saved-value)
1442 ** gnus-treat-display-xface is an obsolete variable;\
1443 use gnus-treat-display-x-face instead")
1444 (eval (car (get 'gnus-treat-display-xface 'saved-value))))
1447 (put 'gnus-treat-display-x-face 'highlight t)
1449 (defcustom gnus-treat-display-face
1450 (and (not noninteractive)
1451 (gnus-image-type-available-p 'png)
1453 "Display Face headers.
1454 Valid values are nil, t, `head', `first', `last', an integer or a
1455 predicate. See Info node `(gnus)Customizing Articles' and Info
1456 node `(gnus)X-Face' for details."
1457 :group 'gnus-article-treat
1459 :link '(custom-manual "(gnus)Customizing Articles")
1460 :link '(custom-manual "(gnus)X-Face")
1461 :type gnus-article-treat-head-custom)
1462 (put 'gnus-treat-display-face 'highlight t)
1464 (defcustom gnus-treat-display-smileys (gnus-image-type-available-p 'xpm)
1466 Valid values are nil, t, `head', `first', `last', an integer or a
1467 predicate. See Info node `(gnus)Customizing Articles' and Info
1468 node `(gnus)Smileys' for details."
1469 :group 'gnus-article-treat
1471 :link '(custom-manual "(gnus)Customizing Articles")
1472 :link '(custom-manual "(gnus)Smileys")
1473 :type gnus-article-treat-custom)
1474 (put 'gnus-treat-display-smileys 'highlight t)
1476 (defcustom gnus-treat-from-picon
1477 (if (and (gnus-image-type-available-p 'xpm)
1478 (gnus-picons-installed-p))
1480 "Display picons in the From header.
1481 Valid values are nil, t, `head', `first', `last', an integer or a
1482 predicate. See Info node `(gnus)Customizing Articles' and Info
1483 node `(gnus)Picons' for details."
1485 :group 'gnus-article-treat
1487 :link '(custom-manual "(gnus)Customizing Articles")
1488 :link '(custom-manual "(gnus)Picons")
1489 :type gnus-article-treat-head-custom)
1490 (put 'gnus-treat-from-picon 'highlight t)
1492 (defcustom gnus-treat-mail-picon
1493 (if (and (gnus-image-type-available-p 'xpm)
1494 (gnus-picons-installed-p))
1496 "Display picons in To and Cc headers.
1497 Valid values are nil, t, `head', `first', `last', an integer or a
1498 predicate. See Info node `(gnus)Customizing Articles' and Info
1499 node `(gnus)Picons' for details."
1501 :group 'gnus-article-treat
1503 :link '(custom-manual "(gnus)Customizing Articles")
1504 :link '(custom-manual "(gnus)Picons")
1505 :type gnus-article-treat-head-custom)
1506 (put 'gnus-treat-mail-picon 'highlight t)
1508 (defcustom gnus-treat-newsgroups-picon
1509 (if (and (gnus-image-type-available-p 'xpm)
1510 (gnus-picons-installed-p))
1512 "Display picons in the Newsgroups and Followup-To headers.
1513 Valid values are nil, t, `head', `first', `last', an integer or a
1514 predicate. See Info node `(gnus)Customizing Articles' and Info
1515 node `(gnus)Picons' for details."
1517 :group 'gnus-article-treat
1519 :link '(custom-manual "(gnus)Customizing Articles")
1520 :link '(custom-manual "(gnus)Picons")
1521 :type gnus-article-treat-head-custom)
1522 (put 'gnus-treat-newsgroups-picon 'highlight t)
1524 (defcustom gnus-treat-body-boundary
1525 (if (or gnus-treat-newsgroups-picon
1526 gnus-treat-mail-picon
1527 gnus-treat-from-picon)
1528 ;; If there's much decoration, the user might prefer a boundery.
1531 "Draw a boundary at the end of the headers.
1532 Valid values are nil and `head'.
1533 See Info node `(gnus)Customizing Articles' for details."
1535 :group 'gnus-article-treat
1536 :link '(custom-manual "(gnus)Customizing Articles")
1537 :type gnus-article-treat-head-custom)
1539 (defcustom gnus-treat-capitalize-sentences nil
1540 "Capitalize sentence-starting words.
1541 Valid values are nil, t, `head', `first', `last', an integer or a
1542 predicate. See Info node `(gnus)Customizing Articles'."
1544 :group 'gnus-article-treat
1545 :link '(custom-manual "(gnus)Customizing Articles")
1546 :type gnus-article-treat-custom)
1548 (defcustom gnus-treat-wash-html nil
1550 Valid values are nil, t, `head', `first', `last', an integer or a
1551 predicate. See Info node `(gnus)Customizing Articles'."
1553 :group 'gnus-article-treat
1554 :link '(custom-manual "(gnus)Customizing Articles")
1555 :type gnus-article-treat-custom)
1557 (defcustom gnus-treat-fill-long-lines nil
1559 Valid values are nil, t, `head', `first', `last', an integer or a
1560 predicate. See Info node `(gnus)Customizing Articles'."
1561 :group 'gnus-article-treat
1562 :link '(custom-manual "(gnus)Customizing Articles")
1563 :type gnus-article-treat-custom)
1565 (defcustom gnus-treat-play-sounds nil
1567 Valid values are nil, t, `head', `first', `last', an integer or a
1568 predicate. See Info node `(gnus)Customizing Articles'."
1570 :group 'gnus-article-treat
1571 :link '(custom-manual "(gnus)Customizing Articles")
1572 :type gnus-article-treat-custom)
1574 (defcustom gnus-treat-translate nil
1575 "Translate articles from one language to another.
1576 Valid values are nil, t, `head', `first', `last', an integer or a
1577 predicate. See Info node `(gnus)Customizing Articles'."
1579 :group 'gnus-article-treat
1580 :link '(custom-manual "(gnus)Customizing Articles")
1581 :type gnus-article-treat-custom)
1583 (defcustom gnus-treat-x-pgp-sig nil
1585 To automatically treat X-PGP-Sig, set it to head.
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 :group 'mime-security
1591 :link '(custom-manual "(gnus)Customizing Articles")
1592 :type gnus-article-treat-custom)
1594 (defvar gnus-article-encrypt-protocol-alist
1595 '(("PGP" . mml2015-self-encrypt)))
1597 ;; Set to nil if more than one protocol added to
1598 ;; gnus-article-encrypt-protocol-alist.
1599 (defcustom gnus-article-encrypt-protocol "PGP"
1600 "The protocol used for encrypt articles.
1601 It is a string, such as \"PGP\". If nil, ask user."
1604 :group 'mime-security)
1606 (defvar gnus-article-wash-function nil
1607 "Function used for converting HTML into text.")
1609 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1610 (mm-coding-system-p 'utf-8)
1611 (executable-find idna-program))
1612 "Whether IDNA decoding of headers is used when viewing messages.
1613 This requires GNU Libidn, and by default only enabled if it is found."
1615 :group 'gnus-article-headers
1618 (defcustom gnus-article-over-scroll nil
1619 "If non-nil, allow scrolling the article buffer even when there no more text."
1621 :group 'gnus-article
1624 ;;; Internal variables
1626 (defvar gnus-english-month-names
1627 '("January" "February" "March" "April" "May" "June" "July" "August"
1628 "September" "October" "November" "December"))
1630 (defvar article-goto-body-goes-to-point-min-p nil)
1631 (defvar gnus-article-wash-types nil)
1632 (defvar gnus-article-emphasis-alist nil)
1633 (defvar gnus-article-image-alist nil)
1635 (defvar gnus-article-mime-handle-alist-1 nil)
1636 (defvar gnus-treatment-function-alist
1637 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1638 (gnus-treat-strip-banner gnus-article-strip-banner)
1639 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1640 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1641 (gnus-treat-buttonize gnus-article-add-buttons)
1642 (gnus-treat-fill-article gnus-article-fill-cited-article)
1643 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1644 (gnus-treat-strip-cr gnus-article-remove-cr)
1645 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1646 (gnus-treat-date-ut gnus-article-date-ut)
1647 (gnus-treat-date-local gnus-article-date-local)
1648 (gnus-treat-date-english gnus-article-date-english)
1649 (gnus-treat-date-original gnus-article-date-original)
1650 (gnus-treat-date-user-defined gnus-article-date-user)
1651 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1652 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1653 (gnus-treat-display-x-face gnus-article-display-x-face)
1654 (gnus-treat-display-face gnus-article-display-face)
1655 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1656 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1657 (gnus-treat-hide-signature gnus-article-hide-signature)
1658 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1659 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1660 (gnus-treat-strip-pem gnus-article-hide-pem)
1661 (gnus-treat-from-picon gnus-treat-from-picon)
1662 (gnus-treat-mail-picon gnus-treat-mail-picon)
1663 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1664 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1665 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1666 (gnus-treat-strip-trailing-blank-lines
1667 gnus-article-remove-trailing-blank-lines)
1668 (gnus-treat-strip-leading-blank-lines
1669 gnus-article-strip-leading-blank-lines)
1670 (gnus-treat-strip-multiple-blank-lines
1671 gnus-article-strip-multiple-blank-lines)
1672 (gnus-treat-overstrike gnus-article-treat-overstrike)
1673 (gnus-treat-ansi-sequences gnus-article-treat-ansi-sequences)
1674 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1675 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1676 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1677 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1678 (gnus-treat-display-smileys gnus-treat-smiley)
1679 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1680 (gnus-treat-wash-html gnus-article-wash-html)
1681 (gnus-treat-emphasize gnus-article-emphasize)
1682 (gnus-treat-hide-citation gnus-article-hide-citation)
1683 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1684 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1685 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1686 (gnus-treat-play-sounds gnus-earcon-display)))
1688 (defvar gnus-article-mime-handle-alist nil)
1689 (defvar article-lapsed-timer nil)
1690 (defvar gnus-article-current-summary nil)
1692 (defvar gnus-article-mode-syntax-table
1693 (let ((table (copy-syntax-table text-mode-syntax-table)))
1694 ;; This causes the citation match run O(2^n).
1695 ;; (modify-syntax-entry ?- "w" table)
1696 (modify-syntax-entry ?> ")<" table)
1697 (modify-syntax-entry ?< "(>" table)
1698 ;; make M-. in article buffers work for `foo' strings
1699 (modify-syntax-entry ?' " " table)
1700 (modify-syntax-entry ?` " " table)
1702 "Syntax table used in article mode buffers.
1703 Initialized from `text-mode-syntax-table.")
1705 (defvar gnus-save-article-buffer nil)
1707 (defvar gnus-number-of-articles-to-be-saved nil)
1709 (defvar gnus-inhibit-hiding nil)
1711 (defvar gnus-article-edit-mode nil)
1713 ;;; Macros for dealing with the article buffer.
1715 (defmacro gnus-with-article-headers (&rest forms)
1716 `(with-current-buffer gnus-article-buffer
1718 (let ((inhibit-read-only t)
1719 (inhibit-point-motion-hooks t)
1720 (case-fold-search t))
1721 (article-narrow-to-head)
1724 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1725 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1727 (defmacro gnus-with-article-buffer (&rest forms)
1728 `(with-current-buffer gnus-article-buffer
1729 (let ((inhibit-read-only t))
1732 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1733 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1735 (defun gnus-article-goto-header (header)
1736 "Go to HEADER, which is a regular expression."
1737 (re-search-forward (concat "^\\(" header "\\):") nil t))
1739 (defsubst gnus-article-hide-text (b e props)
1740 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1741 (gnus-add-text-properties-when 'article-type nil b e props)
1742 (when (memq 'intangible props)
1744 (max (1- b) (point-min))
1745 b 'intangible (cddr (memq 'intangible props)))))
1747 (defsubst gnus-article-unhide-text (b e)
1748 "Remove hidden text properties from region between B and E."
1749 (remove-text-properties b e gnus-hidden-properties)
1750 (when (memq 'intangible gnus-hidden-properties)
1751 (put-text-property (max (1- b) (point-min))
1752 b 'intangible nil)))
1754 (defun gnus-article-hide-text-type (b e type)
1755 "Hide text of TYPE between B and E."
1756 (gnus-add-wash-type type)
1757 (gnus-article-hide-text
1758 b e (cons 'article-type (cons type gnus-hidden-properties))))
1760 (defun gnus-article-unhide-text-type (b e type)
1761 "Unhide text of TYPE between B and E."
1762 (gnus-delete-wash-type type)
1763 (remove-text-properties
1764 b e (cons 'article-type (cons type gnus-hidden-properties)))
1765 (when (memq 'intangible gnus-hidden-properties)
1766 (put-text-property (max (1- b) (point-min))
1767 b 'intangible nil)))
1769 (defun gnus-article-hide-text-of-type (type)
1770 "Hide text of TYPE in the current buffer."
1772 (let ((b (point-min))
1774 (while (setq b (text-property-any b e 'article-type type))
1775 (add-text-properties b (incf b) gnus-hidden-properties)))))
1777 (defun gnus-article-delete-text-of-type (type)
1778 "Delete text of TYPE in the current buffer."
1780 (let ((b (point-min)))
1781 (if (eq type 'multipart)
1782 ;; Remove MIME buttons associated with multipart/alternative parts.
1785 (while (if (get-text-property (point) 'gnus-part)
1787 (when (setq b (next-single-property-change (point)
1792 (skip-chars-forward "\n")
1793 (when (eq (get-text-property b 'article-type) 'multipart)
1794 (delete-region b (point)))))
1795 (while (setq b (text-property-any b (point-max) 'article-type type))
1797 b (or (text-property-not-all b (point-max) 'article-type type)
1800 (defun gnus-article-delete-invisible-text ()
1801 "Delete all invisible text in the current buffer."
1803 (let ((b (point-min)))
1804 (while (setq b (text-property-any b (point-max) 'invisible t))
1806 b (or (text-property-not-all b (point-max) 'invisible t)
1809 (defun gnus-article-text-type-exists-p (type)
1810 "Say whether any text of type TYPE exists in the buffer."
1811 (text-property-any (point-min) (point-max) 'article-type type))
1813 (defsubst gnus-article-header-rank ()
1814 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1815 (let ((list gnus-sorted-header-list)
1818 (if (looking-at (car list))
1820 (setq list (cdr list))
1824 (defun article-hide-headers (&optional arg delete)
1825 "Hide unwanted headers and possibly sort them as well."
1827 ;; This function might be inhibited.
1828 (unless gnus-inhibit-hiding
1829 (let ((inhibit-read-only t)
1830 (case-fold-search t)
1831 (max (1+ (length gnus-sorted-header-list)))
1832 (inhibit-point-motion-hooks t)
1833 (cur (current-buffer))
1834 ignored visible beg)
1836 ;; `gnus-ignored-headers' and `gnus-visible-headers' may be
1837 ;; group parameters, so we should go to the summary buffer.
1840 (progn (set-buffer gnus-summary-buffer) t)
1842 (setq ignored (when (not gnus-visible-headers)
1843 (cond ((stringp gnus-ignored-headers)
1844 gnus-ignored-headers)
1845 ((listp gnus-ignored-headers)
1846 (mapconcat 'identity
1847 gnus-ignored-headers
1849 visible (cond ((stringp gnus-visible-headers)
1850 gnus-visible-headers)
1851 ((and gnus-visible-headers
1852 (listp gnus-visible-headers))
1853 (mapconcat 'identity
1854 gnus-visible-headers
1858 ;; First we narrow to just the headers.
1859 (article-narrow-to-head)
1860 ;; Hide any "From " lines at the beginning of (mail) articles.
1861 (while (looking-at "From ")
1864 (delete-region (point-min) (point)))
1865 ;; Then treat the rest of the header lines.
1866 ;; Then we use the two regular expressions
1867 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1868 ;; select which header lines is to remain visible in the
1870 (while (re-search-forward "^[^ \t:]*:" nil t)
1872 ;; Mark the rank of the header.
1874 (point) (1+ (point)) 'message-rank
1875 (if (or (and visible (looking-at visible))
1877 (not (looking-at ignored))))
1878 (gnus-article-header-rank)
1881 (message-sort-headers-1)
1882 (when (setq beg (text-property-any
1883 (point-min) (point-max) 'message-rank (+ 2 max)))
1884 ;; We delete the unwanted headers.
1885 (gnus-add-wash-type 'headers)
1886 (add-text-properties (point-min) (+ 5 (point-min))
1887 '(article-type headers dummy-invisible t))
1888 (delete-region beg (point-max))))))))
1890 (defun article-hide-boring-headers (&optional arg)
1891 "Toggle hiding of headers that aren't very interesting.
1892 If given a negative prefix, always show; if given a positive prefix,
1894 (interactive (gnus-article-hidden-arg))
1895 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1896 (not gnus-show-all-headers))
1899 (let ((inhibit-read-only t)
1900 (inhibit-point-motion-hooks t))
1901 (article-narrow-to-head)
1902 (dolist (elem gnus-boring-article-headers)
1903 (goto-char (point-min))
1905 ;; Hide empty headers.
1907 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1909 (gnus-article-hide-text-type
1913 (if (re-search-forward "^[^ \t]" nil t)
1917 ;; Hide boring Newsgroups header.
1918 ((eq elem 'newsgroups)
1919 (when (gnus-string-equal
1920 (gnus-fetch-field "newsgroups")
1921 (gnus-group-real-name
1922 (if (boundp 'gnus-newsgroup-name)
1925 (gnus-article-hide-header "newsgroups")))
1926 ((eq elem 'to-address)
1927 (let ((to (message-fetch-field "to"))
1929 (gnus-parameter-to-address
1930 (if (boundp 'gnus-newsgroup-name)
1931 gnus-newsgroup-name ""))))
1932 (when (and to to-address
1935 ;; only one address in To
1936 (nth 1 (mail-extract-address-components to))
1938 (gnus-article-hide-header "to"))))
1940 (let ((to (message-fetch-field "to"))
1942 (gnus-parameter-to-list
1943 (if (boundp 'gnus-newsgroup-name)
1944 gnus-newsgroup-name ""))))
1945 (when (and to to-list
1948 ;; only one address in To
1949 (nth 1 (mail-extract-address-components to))
1951 (gnus-article-hide-header "to"))))
1953 (let ((cc (message-fetch-field "cc"))
1955 (gnus-parameter-to-list
1956 (if (boundp 'gnus-newsgroup-name)
1957 gnus-newsgroup-name ""))))
1958 (when (and cc to-list
1961 ;; only one address in CC
1962 (nth 1 (mail-extract-address-components cc))
1964 (gnus-article-hide-header "cc"))))
1965 ((eq elem 'followup-to)
1966 (when (gnus-string-equal
1967 (message-fetch-field "followup-to")
1968 (message-fetch-field "newsgroups"))
1969 (gnus-article-hide-header "followup-to")))
1970 ((eq elem 'reply-to)
1971 (if (gnus-group-find-parameter
1972 gnus-newsgroup-name 'broken-reply-to)
1973 (gnus-article-hide-header "reply-to")
1974 (let ((from (message-fetch-field "from"))
1975 (reply-to (message-fetch-field "reply-to")))
1982 (lambda (x) (downcase (cadr x)))
1983 (mail-extract-address-components from t))
1986 (lambda (x) (downcase (cadr x)))
1987 (mail-extract-address-components reply-to t))
1989 (gnus-article-hide-header "reply-to")))))
1991 (let ((date (with-current-buffer gnus-original-article-buffer
1992 ;; If date in `gnus-article-buffer' is localized
1993 ;; (`gnus-treat-date-user-defined'),
1994 ;; `days-between' might fail.
1995 (message-fetch-field "date"))))
1997 (< (days-between (current-time-string) date)
1999 (gnus-article-hide-header "date"))))
2001 (let ((to (message-fetch-field "to"))
2002 (cc (message-fetch-field "cc")))
2003 (when (> (length to) 1024)
2004 (gnus-article-hide-header "to"))
2005 (when (> (length cc) 1024)
2006 (gnus-article-hide-header "cc"))))
2010 (goto-char (point-min))
2011 (while (re-search-forward "^to:" nil t)
2012 (setq to-count (1+ to-count)))
2013 (when (> to-count 1)
2014 (while (> to-count 0)
2015 (goto-char (point-min))
2017 (re-search-forward "^to:" nil nil to-count)
2019 (narrow-to-region (point) (point-max))
2020 (gnus-article-hide-header "to"))
2021 (setq to-count (1- to-count))))
2022 (goto-char (point-min))
2023 (while (re-search-forward "^cc:" nil t)
2024 (setq cc-count (1+ cc-count)))
2025 (when (> cc-count 1)
2026 (while (> cc-count 0)
2027 (goto-char (point-min))
2029 (re-search-forward "^cc:" nil nil cc-count)
2031 (narrow-to-region (point) (point-max))
2032 (gnus-article-hide-header "cc"))
2033 (setq cc-count (1- cc-count)))))))))))))
2035 (defun gnus-article-hide-header (header)
2037 (goto-char (point-min))
2038 (when (re-search-forward (concat "^" header ":") nil t)
2039 (gnus-article-hide-text-type
2043 (if (re-search-forward "^[^ \t]" nil t)
2048 (defvar gnus-article-normalized-header-length 40
2049 "Length of normalized headers.")
2051 (defun article-normalize-headers ()
2052 "Make all header lines 40 characters long."
2054 (let ((inhibit-read-only t)
2058 (article-narrow-to-head)
2061 ((< (setq column (- (point-at-eol) (point)))
2062 gnus-article-normalized-header-length)
2064 (insert (make-string
2065 (- gnus-article-normalized-header-length column)
2067 ((> column gnus-article-normalized-header-length)
2068 (gnus-put-text-property
2070 (forward-char gnus-article-normalized-header-length)
2077 (forward-line 1))))))
2079 (defun article-treat-dumbquotes ()
2080 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
2081 Note that this function guesses whether a character is a sm*rtq**t* or
2082 not, so it should only be used interactively.
2084 Sm*rtq**t*s are M****s***'s unilateral extension to the
2085 iso-8859-1 character map in an attempt to provide more quoting
2086 characters. If you see something like \\222 or \\264 where
2087 you're expecting some kind of apostrophe or quotation mark, then
2090 (article-translate-strings gnus-article-dumbquotes-map))
2092 (defun article-translate-characters (from to)
2093 "Translate all characters in the body of the article according to FROM and TO.
2094 FROM is a string of characters to translate from; to is a string of
2095 characters to translate to."
2097 (when (article-goto-body)
2098 (let ((inhibit-read-only t)
2099 (x (make-string 225 ?x))
2101 (while (< (incf i) (length x))
2104 (while (< i (length from))
2105 (aset x (aref from i) (aref to i))
2107 (translate-region (point) (point-max) x)))))
2109 (defun article-translate-strings (map)
2110 "Translate all string in the body of the article according to MAP.
2111 MAP is an alist where the elements are on the form (\"from\" \"to\")."
2113 (when (article-goto-body)
2114 (let ((inhibit-read-only t))
2117 (while (search-forward (car elem) nil t)
2118 (replace-match (cadr elem)))))))))
2120 (defun article-treat-overstrike ()
2121 "Translate overstrikes into bold text."
2124 (when (article-goto-body)
2125 (let ((inhibit-read-only t))
2126 (while (search-forward "\b" nil t)
2127 (let ((next (char-after))
2128 (previous (char-after (- (point) 2))))
2129 ;; We do the boldification/underlining by hiding the
2130 ;; overstrikes and putting the proper text property
2134 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2135 (put-text-property (point) (1+ (point)) 'face 'bold))
2137 (gnus-article-hide-text-type
2138 (1- (point)) (1+ (point)) 'overstrike)
2140 (- (point) 2) (1- (point)) 'face 'underline))
2142 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2144 (point) (1+ (point)) 'face 'underline)))))))))
2146 (defun article-treat-ansi-sequences ()
2147 "Translate ANSI SGR control sequences into overlays or extents."
2150 (when (article-goto-body)
2151 (let ((inhibit-read-only t))
2152 (ansi-color-apply-on-region (point) (point-max))))))
2154 (defun gnus-article-treat-unfold-headers ()
2155 "Unfold folded message headers.
2156 Only the headers that fit into the current window width will be
2159 (gnus-with-article-headers
2163 (mail-header-narrow-to-field)
2164 (let* ((header (buffer-string))
2166 (or (equal gnus-article-unfold-long-headers t)
2167 (and (stringp gnus-article-unfold-long-headers)
2168 (string-match gnus-article-unfold-long-headers header)))))
2171 (goto-char (point-min))
2172 (while (re-search-forward "\n[\t ]" nil t)
2173 (replace-match " " t t)))
2174 (setq length (- (point-max) (point-min) 1))
2175 (when (or unfoldable
2176 (< length (window-width)))
2177 (while (re-search-forward "\n[\t ]" nil t)
2178 (replace-match " " t t))))
2179 (goto-char (point-max)))))))
2181 (defun gnus-article-treat-fold-headers ()
2182 "Fold message headers."
2184 (gnus-with-article-headers
2187 (mail-header-narrow-to-field)
2188 (mail-header-fold-field)
2189 (goto-char (point-max))))))
2191 (defun gnus-treat-smiley ()
2192 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
2194 (gnus-with-article-buffer
2195 (if (memq 'smiley gnus-article-wash-types)
2196 (gnus-delete-images 'smiley)
2198 (let ((images (smiley-region (point) (point-max))))
2200 (gnus-add-wash-type 'smiley)
2201 (dolist (image images)
2202 (gnus-add-image 'smiley image)))))))
2204 (defun gnus-article-remove-images ()
2205 "Remove all images from the article buffer."
2207 (gnus-with-article-buffer
2208 (dolist (elem gnus-article-image-alist)
2209 (gnus-delete-images (car elem)))))
2211 (defun gnus-article-treat-fold-newsgroups ()
2212 "Unfold folded message headers.
2213 Only the headers that fit into the current window width will be
2216 (gnus-with-article-headers
2217 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2219 (mail-header-narrow-to-field)
2220 (while (re-search-forward ", *" nil t)
2221 (replace-match ", " t t))
2222 (mail-header-fold-field)
2223 (goto-char (point-max))))))
2225 (defcustom gnus-article-truncate-lines (default-value 'truncate-lines)
2226 "Value of `truncate-lines' in Gnus Article buffer.
2227 Valid values are nil, t, `head', `first', `last', an integer or a
2228 predicate. See Info node `(gnus)Customizing Articles'."
2229 :version "23.1" ;; No Gnus
2230 :group 'gnus-article
2231 ;; :link '(custom-manual "(gnus)Customizing Articles")
2234 (defun gnus-article-toggle-truncate-lines (&optional arg)
2235 "Toggle whether to fold or truncate long lines in article the buffer.
2236 If ARG is non-nil and not a number, toggle
2237 `gnus-article-truncate-lines' too. If ARG is a number, truncate
2238 long lines if and only if arg is positive."
2241 ((and (numberp arg) (> arg 0))
2242 (setq gnus-article-truncate-lines t))
2244 (setq gnus-article-truncate-lines nil))
2246 (setq gnus-article-truncate-lines
2247 (not gnus-article-truncate-lines))))
2248 (gnus-with-article-buffer
2250 ((and (numberp arg) (> arg 0))
2251 (setq truncate-lines nil))
2253 (setq truncate-lines t)))
2254 ;; In versions of Emacs 22 (CVS) before 2006-05-26,
2255 ;; `toggle-truncate-lines' needs an argument.
2256 (toggle-truncate-lines)))
2258 (defun gnus-article-treat-body-boundary ()
2259 "Place a boundary line at the end of the headers."
2261 (when (and gnus-body-boundary-delimiter
2262 (> (length gnus-body-boundary-delimiter) 0))
2263 (gnus-with-article-headers
2264 (goto-char (point-max))
2265 (let ((start (point)))
2266 (insert "X-Boundary: ")
2267 (gnus-add-text-properties start (point) '(invisible t intangible t))
2269 (while (>= (1- (window-width)) (length str))
2270 (setq str (concat str gnus-body-boundary-delimiter)))
2271 (substring str 0 (1- (window-width))))
2273 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
2275 (defun article-fill-long-lines ()
2276 "Fill lines that are wider than the window width."
2279 (let ((inhibit-read-only t)
2280 (width (window-width (get-buffer-window (current-buffer)))))
2283 (let ((adaptive-fill-mode nil)) ;Why? -sm
2286 (when (>= (current-column) (min fill-column width))
2287 (narrow-to-region (min (1+ (point)) (point-max))
2289 (let ((goback (point-marker)))
2290 (fill-paragraph nil)
2291 (goto-char (marker-position goback)))
2293 (forward-line 1)))))))
2295 (defun article-capitalize-sentences ()
2296 "Capitalize the first word in each sentence."
2299 (let ((inhibit-read-only t)
2300 (paragraph-start "^[\n\^L]"))
2304 (forward-sentence)))))
2306 (defun article-remove-cr ()
2307 "Remove trailing CRs and then translate remaining CRs into LFs."
2310 (let ((inhibit-read-only t))
2311 (goto-char (point-min))
2312 (while (re-search-forward "\r+$" nil t)
2313 (replace-match "" t t))
2314 (goto-char (point-min))
2315 (while (search-forward "\r" nil t)
2316 (replace-match "\n" t t)))))
2318 (defun article-remove-trailing-blank-lines ()
2319 "Remove all trailing blank lines from the article."
2322 (let ((inhibit-read-only t))
2323 (goto-char (point-max))
2327 (while (and (not (bobp))
2328 (looking-at "^[ \t]*$")
2329 (not (gnus-annotation-in-region-p
2330 (point) (point-at-eol))))
2335 (defvar gnus-face-properties-alist)
2337 (defun article-display-face (&optional force)
2338 "Display any Face headers in the header."
2339 (interactive (list 'force))
2340 (let ((wash-face-p buffer-read-only))
2341 (gnus-with-article-headers
2342 ;; When displaying parts, this function can be called several times on
2343 ;; the same article, without any intended toggle semantic (as typing `W
2344 ;; D d' would have). So face deletion must occur only when we come from
2345 ;; an interactive command, that is when the *Article* buffer is
2347 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2348 (gnus-delete-images 'face)
2349 (let ((from (message-fetch-field "from"))
2351 (save-current-buffer
2352 (when (and wash-face-p
2353 (gnus-buffer-live-p gnus-original-article-buffer)
2354 (not (re-search-forward "^Face:[\t ]*" nil t)))
2355 (set-buffer gnus-original-article-buffer))
2357 (mail-narrow-to-head)
2359 ;; Check whether this face is censored.
2360 (not (and gnus-article-x-face-too-ugly
2362 (setq from (message-fetch-field "from")))
2363 (string-match gnus-article-x-face-too-ugly
2365 (while (gnus-article-goto-header "Face")
2366 (push (mail-header-field-value) faces)))))
2368 (goto-char (point-min))
2370 (unless (setq from (gnus-article-goto-header "from"))
2373 (insert " [no `from' set]\n"))
2375 (when (setq png (gnus-convert-face-to-png (pop faces)))
2377 (apply 'gnus-create-image png 'png t
2378 (cdr (assq 'png gnus-face-properties-alist))))
2380 (gnus-add-wash-type 'face)
2381 (gnus-add-image 'face image)
2382 (gnus-put-image image nil 'face))))))))))
2384 (defun article-display-x-face (&optional force)
2385 "Look for an X-Face header and display it if present."
2386 (interactive (list 'force))
2387 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2388 (gnus-with-article-headers
2389 ;; Delete the old process, if any.
2390 (when (process-status "article-x-face")
2391 (delete-process "article-x-face"))
2392 ;; See the comment in `article-display-face'.
2393 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2394 ;; We have already displayed X-Faces, so we remove them
2396 (gnus-delete-images 'xface)
2398 (let ((from (message-fetch-field "from"))
2400 (save-current-buffer
2401 (when (and wash-face-p
2402 (gnus-buffer-live-p gnus-original-article-buffer)
2403 (not (re-search-forward "^X-Face:[\t ]*" nil t)))
2404 ;; If type `W f', use gnus-original-article-buffer,
2405 ;; otherwise use the current buffer because displaying
2406 ;; RFC822 parts calls this function too.
2407 (set-buffer gnus-original-article-buffer))
2409 (mail-narrow-to-head)
2410 (and gnus-article-x-face-command
2412 ;; Check whether this face is censored.
2413 (not (and gnus-article-x-face-too-ugly
2415 (setq from (message-fetch-field "from")))
2416 (string-match gnus-article-x-face-too-ugly
2418 (while (gnus-article-goto-header "X-Face")
2419 (push (mail-header-field-value) x-faces)))))
2421 ;; We display the face.
2422 (cond ((functionp gnus-article-x-face-command)
2423 ;; The command is a lisp function, so we call it.
2424 (mapc gnus-article-x-face-command x-faces))
2425 ((stringp gnus-article-x-face-command)
2426 ;; The command is a string, so we interpret the command
2427 ;; as a, well, command, and fork it off.
2428 (let ((process-connection-type nil))
2429 (gnus-set-process-query-on-exit-flag
2431 "article-x-face" nil shell-file-name
2432 shell-command-switch gnus-article-x-face-command)
2434 ;; Sending multiple EOFs to xv doesn't work,
2435 ;; so we only do a single external face.
2437 (insert (car x-faces))
2438 (process-send-region "article-x-face"
2439 (point-min) (point-max)))
2440 (process-send-eof "article-x-face")))
2442 (error "`%s' set to `%s' is not a function"
2443 gnus-article-x-face-command
2444 'gnus-article-x-face-command)))))))))
2446 (defun article-decode-mime-words ()
2447 "Decode all MIME-encoded words in the article."
2449 (gnus-with-article-buffer
2450 (let ((inhibit-point-motion-hooks t)
2451 (mail-parse-charset gnus-newsgroup-charset)
2452 (mail-parse-ignored-charsets
2453 (with-current-buffer gnus-summary-buffer
2454 gnus-newsgroup-ignored-charsets)))
2455 (mail-decode-encoded-word-region (point-min) (point-max)))))
2457 (defun article-decode-charset (&optional prompt)
2458 "Decode charset-encoded text in the article.
2459 If PROMPT (the prefix), prompt for a coding system to use."
2461 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2462 (inhibit-read-only t)
2463 (mail-parse-charset gnus-newsgroup-charset)
2464 (mail-parse-ignored-charsets
2465 (save-excursion (condition-case nil
2466 (set-buffer gnus-summary-buffer)
2468 gnus-newsgroup-ignored-charsets))
2469 ct cte ctl charset format)
2472 (article-narrow-to-head)
2473 (setq ct (message-fetch-field "Content-Type" t)
2474 cte (message-fetch-field "Content-Transfer-Encoding" t)
2475 ctl (and ct (mail-header-parse-content-type ct))
2478 (mm-read-coding-system "Charset to decode: "))
2480 (mail-content-type-get ctl 'charset)))
2481 format (and ctl (mail-content-type-get ctl 'format)))
2483 (setq cte (mail-header-strip cte)))
2484 (if (and ctl (not (string-match "/" (car ctl))))
2486 (goto-char (point-max)))
2489 (narrow-to-region (point) (point-max))
2490 (when (and (eq mail-parse-charset 'gnus-decoded)
2491 (eq (mm-body-7-or-8) '8bit))
2492 ;; The text code could have been decoded.
2493 (setq charset mail-parse-charset))
2494 (when (and (or (not ctl)
2495 (equal (car ctl) "text/plain"))
2496 (not format)) ;; article with format will decode later.
2498 charset (and cte (intern (downcase
2499 (gnus-strip-whitespace cte))))
2502 (defun article-decode-encoded-words ()
2503 "Remove encoded-word encoding from headers."
2504 (let ((inhibit-point-motion-hooks t)
2505 (mail-parse-charset gnus-newsgroup-charset)
2506 (mail-parse-ignored-charsets
2507 (save-excursion (condition-case nil
2508 (set-buffer gnus-summary-buffer)
2510 gnus-newsgroup-ignored-charsets))
2511 (inhibit-read-only t)
2513 (goto-char (point-min))
2514 (when (search-forward "\n\n" nil 'move)
2521 (memq (char-after) '(?\t ? )))))
2522 (setq start (point))
2524 \\(?:Resent-\\)?\\(?:From\\|Cc\\|To\\|Bcc\\|\\(?:In-\\)?Reply-To\\|Sender\
2525 \\|Mail-Followup-To\\|Mail-Copies-To\\|Approved\\):")
2526 (funcall gnus-decode-address-function start end)
2527 (funcall gnus-decode-header-function start end))
2528 (goto-char (setq end start)))))
2530 (defun article-decode-group-name ()
2531 "Decode group names in Newsgroups, Followup-To and Xref headers."
2532 (let ((inhibit-point-motion-hooks t)
2533 (inhibit-read-only t)
2534 (method (gnus-find-method-for-group gnus-newsgroup-name))
2536 (when (and (or gnus-group-name-charset-method-alist
2537 gnus-group-name-charset-group-alist)
2538 (gnus-buffer-live-p gnus-original-article-buffer))
2540 (article-narrow-to-head)
2541 (dolist (header '("Newsgroups" "Followup-To" "Xref"))
2542 (with-current-buffer gnus-original-article-buffer
2543 (goto-char (point-min)))
2544 (setq regexp (concat "^" header
2545 ":\\([^\n]*\\(?:\n[\t ]+[^\n]+\\)*\\)\n"))
2546 (while (re-search-forward regexp nil t)
2547 (replace-match (save-match-data
2548 (gnus-decode-newsgroups
2549 ;; XXX how to use data in article buffer?
2550 (with-current-buffer gnus-original-article-buffer
2551 (re-search-forward regexp nil t)
2553 gnus-newsgroup-name method))
2555 (goto-char (point-min)))))))
2557 (autoload 'idna-to-unicode "idna")
2559 (defun article-decode-idna-rhs ()
2560 "Decode IDNA strings in RHS in various headers in current buffer.
2561 The following headers are decoded: From:, To:, Cc:, Reply-To:,
2562 Mail-Reply-To: and Mail-Followup-To:."
2565 (let ((inhibit-point-motion-hooks t)
2566 (inhibit-read-only t))
2567 (article-narrow-to-head)
2568 (goto-char (point-min))
2569 (while (re-search-forward "@[^ \t\n\r,>]*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2571 (when (save-match-data
2572 (and (setq ace (match-string 1))
2574 (and (re-search-backward "^[^ \t]" nil t)
2575 (looking-at "From\\|To\\|Cc\\|Reply-To\\|Mail-Reply-To\\|Mail-Followup-To")))
2576 (setq unicode (idna-to-unicode ace))))
2577 (unless (string= ace unicode)
2578 (replace-match unicode nil nil nil 1)))))))))
2580 (defun article-de-quoted-unreadable (&optional force read-charset)
2581 "Translate a quoted-printable-encoded article.
2582 If FORCE, decode the article whether it is marked as quoted-printable
2584 If READ-CHARSET, ask for a coding system."
2585 (interactive (list 'force current-prefix-arg))
2587 (let ((inhibit-read-only t) type charset)
2588 (if (gnus-buffer-live-p gnus-original-article-buffer)
2589 (with-current-buffer gnus-original-article-buffer
2591 (gnus-fetch-field "content-transfer-encoding"))
2592 (let* ((ct (gnus-fetch-field "content-type"))
2593 (ctl (and ct (mail-header-parse-content-type ct))))
2594 (setq charset (and ctl
2595 (mail-content-type-get ctl 'charset)))
2596 (if (stringp charset)
2597 (setq charset (intern (downcase charset)))))))
2599 (setq charset (mm-read-coding-system "Charset: " charset)))
2601 (setq charset gnus-newsgroup-charset))
2603 (and type (let ((case-fold-search t))
2604 (string-match "quoted-printable" type))))
2606 (quoted-printable-decode-region
2607 (point) (point-max) (mm-charset-to-coding-system charset))))))
2609 (defun article-de-base64-unreadable (&optional force read-charset)
2610 "Translate a base64 article.
2611 If FORCE, decode the article whether it is marked as base64 not.
2612 If READ-CHARSET, ask for a coding system."
2613 (interactive (list 'force current-prefix-arg))
2615 (let ((inhibit-read-only t) type charset)
2616 (if (gnus-buffer-live-p gnus-original-article-buffer)
2617 (with-current-buffer gnus-original-article-buffer
2619 (gnus-fetch-field "content-transfer-encoding"))
2620 (let* ((ct (gnus-fetch-field "content-type"))
2621 (ctl (and ct (mail-header-parse-content-type ct))))
2622 (setq charset (and ctl
2623 (mail-content-type-get ctl 'charset)))
2624 (if (stringp charset)
2625 (setq charset (intern (downcase charset)))))))
2627 (setq charset (mm-read-coding-system "Charset: " charset)))
2629 (setq charset gnus-newsgroup-charset))
2631 (and type (let ((case-fold-search t))
2632 (string-match "base64" type))))
2635 (narrow-to-region (point) (point-max))
2636 (base64-decode-region (point-min) (point-max))
2637 (mm-decode-coding-region
2638 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2643 (defun article-decode-HZ ()
2644 "Translate a HZ-encoded article."
2648 (let ((inhibit-read-only t))
2649 (rfc1843-decode-region (point-min) (point-max)))))
2651 (defun article-unsplit-urls ()
2652 "Remove the newlines that some other mailers insert into URLs."
2655 (let ((inhibit-read-only t))
2656 (goto-char (point-min))
2657 (while (re-search-forward
2658 "\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2659 (replace-match "\\1\\3" t)))
2660 (when (interactive-p)
2661 (gnus-treat-article nil))))
2664 (defun article-wash-html (&optional read-charset)
2665 "Format an HTML article.
2666 If READ-CHARSET, ask for a coding system. If it is a number, the
2667 charset defined in `gnus-summary-show-article-charset-alist' is used."
2670 (let ((inhibit-read-only t)
2673 (if (or (and (numberp read-charset)
2677 gnus-summary-show-article-charset-alist))))
2678 (setq charset (mm-read-coding-system "Charset: ")))
2679 (let ((gnus-summary-show-article-charset-alist
2680 (list (cons 1 charset))))
2681 (with-current-buffer gnus-summary-buffer
2682 (gnus-summary-show-article 1)))
2683 (error "No charset is given"))
2684 (when (gnus-buffer-live-p gnus-original-article-buffer)
2685 (with-current-buffer gnus-original-article-buffer
2686 (let* ((ct (gnus-fetch-field "content-type"))
2687 (ctl (and ct (mail-header-parse-content-type ct))))
2688 (setq charset (and ctl
2689 (mail-content-type-get ctl 'charset)))
2690 (when (stringp charset)
2691 (setq charset (intern (downcase charset)))))))
2693 (setq charset gnus-newsgroup-charset)))
2695 (save-window-excursion
2697 (narrow-to-region (point) (point-max))
2698 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2699 (entry (assq func mm-text-html-washer-alist)))
2701 (setq func (cdr entry)))
2706 (apply (car func) (cdr func))))))))))
2709 (declare-function w3-region "ext:w3-display" (st nd))
2711 (defun gnus-article-wash-html-with-w3 ()
2712 "Wash the current buffer with w3."
2714 (let ((w3-strict-width (window-width))
2715 (url-standalone-mode t)
2716 (url-gateway-unplugged t)
2717 (w3-honor-stylesheets nil))
2719 (w3-region (point-min) (point-max))
2723 (declare-function w3m-region "ext:w3m" (start end &optional url charset))
2725 (defun gnus-article-wash-html-with-w3m ()
2726 "Wash the current buffer with emacs-w3m."
2728 (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp)
2729 w3m-force-redisplay)
2730 (w3m-region (point-min) (point-max)))
2731 (when (and mm-inline-text-html-with-w3m-keymap
2732 (boundp 'w3m-minor-mode-map)
2734 (add-text-properties
2735 (point-min) (point-max)
2736 (list 'keymap w3m-minor-mode-map
2737 ;; Put the mark meaning this part was rendered by emacs-w3m.
2738 'mm-inline-text-html-with-w3m t))))
2740 (defvar charset) ;; Bound by `article-wash-html'.
2742 (defun gnus-article-wash-html-with-w3m-standalone ()
2743 "Wash the current buffer with w3m."
2744 (if (mm-w3m-standalone-supports-m17n-p)
2746 (unless (mm-coding-system-p charset) ;; Bound by `article-wash-html'.
2748 (setq charset 'iso-8859-1))
2749 (let ((coding-system-for-write charset)
2750 (coding-system-for-read charset))
2751 (call-process-region
2752 (point-min) (point-max)
2753 "w3m" t t nil "-dump" "-T" "text/html"
2754 "-I" (symbol-name charset) "-O" (symbol-name charset))))
2755 (mm-inline-wash-with-stdin nil "w3m" "-dump" "-T" "text/html")))
2757 (defvar gnus-article-browse-html-temp-list nil
2758 "List of temporary files created by `gnus-article-browse-html-parts'.
2759 Internal variable.")
2761 (defcustom gnus-article-browse-delete-temp 'ask
2762 "What to do with temporary files from `gnus-article-browse-html-parts'.
2763 If nil, don't delete temporary files. If it is t, delete them on
2764 exit from the summary buffer. If it is the symbol `file', query
2765 on each file, if it is `ask' ask once when exiting from the
2767 :group 'gnus-article
2768 :version "23.1" ;; No Gnus
2769 :type '(choice (const :tag "Don't delete" nil)
2770 (const :tag "Don't ask" t)
2771 (const :tag "Ask" ask)
2772 (const :tag "Ask for each file" file)))
2774 ;; Cf. mm-postponed-undisplay-list / mm-destroy-postponed-undisplay-list.
2776 (defun gnus-article-browse-delete-temp-files (&optional how)
2777 "Delete temp-files created by `gnus-article-browse-html-parts'."
2778 (when (and gnus-article-browse-html-temp-list
2780 (setq how gnus-article-browse-delete-temp)))
2781 (when (and (eq how 'ask)
2782 (gnus-y-or-n-p (format
2783 "Delete all %s temporary HTML file(s)? "
2784 (length gnus-article-browse-html-temp-list)))
2786 (dolist (file gnus-article-browse-html-temp-list)
2787 (when (and (file-exists-p file)
2789 ;; `how' is neither `nil', `ask' nor `t' (i.e. `file'):
2791 (format "Delete temporary HTML file `%s'? " file))))
2792 (delete-file file)))
2793 ;; Also remove file from the list when not deleted or if file doesn't
2795 (setq gnus-article-browse-html-temp-list nil))
2796 gnus-article-browse-html-temp-list)
2798 (defun gnus-article-browse-html-parts (list &optional header)
2799 "View all \"text/html\" parts from LIST.
2800 Recurse into multiparts. The optional HEADER that should be a decoded
2801 message header will be added to the bodies of the \"text/html\" parts."
2802 ;; Internal function used by `gnus-article-browse-html-article'.
2803 (let (type file charset tmp-file showed)
2804 ;; Find and show the html-parts.
2805 (dolist (handle list)
2806 ;; If HTML, show it:
2807 (cond ((not (listp handle)))
2808 ((or (equal (car (setq type (mm-handle-type handle))) "text/html")
2809 (and (equal (car type) "message/external-body")
2811 (setq file (or (mail-content-type-get type 'name)
2812 (mail-content-type-get
2813 (mm-handle-disposition handle)
2815 (or (mm-handle-cache handle)
2816 (condition-case code
2817 (progn (mm-extern-cache-contents handle) t)
2819 (gnus-message 3 "%s" (error-message-string code))
2820 (when (>= gnus-verbose 3) (sit-for 2))
2823 (setq handle (mm-handle-cache handle)
2824 type (mm-handle-type handle))
2825 (equal (car type) "text/html"))))
2826 (when (or (setq charset (mail-content-type-get type 'charset))
2829 (setq tmp-file (mm-make-temp-file
2830 ;; Do we need to care for 8.3 filenames?
2831 "mm-" nil ".html")))
2832 ;; Add a meta html tag to specify charset and a header.
2835 (let (title eheader body hcharset coding)
2837 (mm-enable-multibyte)
2838 (setq case-fold-search t)
2839 (insert header "\n")
2840 (setq title (message-fetch-field "subject"))
2841 (goto-char (point-min))
2842 (while (re-search-forward "\\(<\\)\\|\\(>\\)\\|&" nil t)
2843 (replace-match (cond ((match-beginning 1) "<")
2844 ((match-beginning 2) ">")
2846 (goto-char (point-min))
2848 (goto-char (point-max))
2849 (insert "</pre>\n<hr>\n")
2850 ;; We have to examine charset one by one since
2851 ;; charset specified in parts might be different.
2852 (if (eq charset 'gnus-decoded)
2853 (setq charset 'utf-8
2854 eheader (mm-encode-coding-string (buffer-string)
2857 (mm-encode-coding-string title charset))
2858 body (mm-encode-coding-string (mm-get-part handle)
2860 (setq hcharset (mm-find-mime-charset-region (point-min)
2862 (cond ((= (length hcharset) 1)
2863 (setq hcharset (car hcharset)
2864 coding (mm-charset-to-coding-system
2866 ((> (length hcharset) 1)
2867 (setq hcharset 'utf-8
2873 (mm-charset-to-coding-system charset))
2874 (if (eq coding body)
2875 (setq eheader (mm-encode-coding-string
2876 (buffer-string) coding)
2878 (mm-encode-coding-string
2880 body (mm-get-part handle))
2881 (setq charset 'utf-8
2882 eheader (mm-encode-coding-string
2883 (buffer-string) charset)
2885 (mm-encode-coding-string
2887 body (mm-encode-coding-string
2888 (mm-decode-coding-string
2889 (mm-get-part handle) body)
2891 (setq charset hcharset
2892 eheader (mm-encode-coding-string
2893 (buffer-string) coding)
2895 (mm-encode-coding-string
2897 body (mm-get-part handle)))
2898 (setq eheader (mm-string-as-unibyte (buffer-string))
2899 body (mm-get-part handle))))
2901 (mm-disable-multibyte)
2904 (mm-add-meta-html-tag handle charset))
2906 (goto-char (point-min))
2907 (unless (search-forward "<title>" nil t)
2908 (re-search-forward "<head>\\s-*" nil t)
2909 (insert "<title>" title "</title>\n")))
2910 (goto-char (point-min))
2911 (or (re-search-forward
2912 "<body\\(?:\\s-+[^>]+\\|\\s-*\\)>\\s-*" nil t)
2914 "</head\\(?:\\s-+[^>]+\\|\\s-*\\)>\\s-*" nil t))
2916 (mm-write-region (point-min) (point-max)
2917 tmp-file nil nil nil 'binary t))))
2919 (mm-with-unibyte-buffer
2920 (insert (if (eq charset 'gnus-decoded)
2921 (mm-encode-coding-string
2922 (mm-get-part handle)
2923 (setq charset 'utf-8))
2924 (mm-get-part handle)))
2925 (if (or (mm-add-meta-html-tag handle charset)
2927 (mm-write-region (point-min) (point-max)
2928 tmp-file nil nil nil 'binary t)
2929 (setq tmp-file nil))))
2931 (mm-save-part-to-file handle tmp-file)))
2933 (add-to-list 'gnus-article-browse-html-temp-list tmp-file))
2934 (add-hook 'gnus-summary-prepare-exit-hook
2935 'gnus-article-browse-delete-temp-files)
2936 (add-hook 'gnus-exit-gnus-hook
2938 (gnus-article-browse-delete-temp-files t)))
2939 ;; FIXME: Warn if there's an <img> tag?
2940 (browse-url-of-file (or tmp-file (expand-file-name file)))
2942 ;; If multipart, recurse
2943 ((equal (mm-handle-media-supertype handle) "multipart")
2944 (when (gnus-article-browse-html-parts handle header)
2946 ((equal (mm-handle-media-type handle) "message/rfc822")
2947 (mm-with-multibyte-buffer
2948 (mm-insert-part handle)
2949 (setq handle (mm-dissect-buffer t t))
2950 (when (and (bufferp (car handle))
2951 (stringp (car (mm-handle-type handle))))
2952 (setq handle (list handle)))
2954 (article-decode-encoded-words)
2955 (let ((gnus-visible-headers
2956 (or (get 'gnus-visible-headers 'standard-value)
2957 gnus-visible-headers)))
2958 (article-hide-headers))
2959 (goto-char (point-min))
2960 (search-forward "\n\n" nil 'move)
2961 (skip-chars-backward "\t\n ")
2962 (setq header (buffer-substring (point-min) (point)))))
2964 (gnus-article-browse-html-parts handle header)
2965 (mm-destroy-parts handle))
2969 (defun gnus-article-browse-html-article (&optional arg)
2970 "View \"text/html\" parts of the current article with a WWW browser.
2971 The message header is added to the beginning of every html part unless
2972 the prefix argument ARG is given.
2974 Warning: Spammers use links to images in HTML articles to verify
2975 whether you have read the message. As
2976 `gnus-article-browse-html-article' passes the HTML content to the
2977 browser without eliminating these \"web bugs\" you should only
2978 use it for mails from trusted senders.
2980 If you always want to display HTML parts in the browser, set
2981 `mm-text-html-renderer' to nil."
2982 ;; Cf. `mm-w3m-safe-url-regexp'
2985 (gnus-summary-show-article)
2986 (let ((gnus-visible-headers (or (get 'gnus-visible-headers 'standard-value)
2987 gnus-visible-headers))
2988 ;; As we insert a <hr>, there's no need for the body boundary.
2989 (gnus-treat-body-boundary nil))
2990 (gnus-summary-show-article)))
2991 (with-current-buffer gnus-article-buffer
2992 (let ((header (unless arg
2995 (buffer-substring-no-properties
2996 (goto-char (point-min))
2997 (if (search-forward "\n\n" nil t)
2999 (goto-char (point-max))
3000 (skip-chars-backward "\t\n ")
3003 (set-buffer gnus-original-article-buffer)
3004 (setq parts (mm-dissect-buffer t t))
3005 ;; If singlepart, enforce a list.
3006 (when (and (bufferp (car parts))
3007 (stringp (car (mm-handle-type parts))))
3008 (setq parts (list parts)))
3010 (unless (gnus-article-browse-html-parts parts header)
3011 (gnus-error 3 "Mail doesn't contain a \"text/html\" part!"))
3012 (mm-destroy-parts parts)
3014 (gnus-summary-show-article)))))
3016 (defun article-hide-list-identifiers ()
3017 "Remove list identifies from the Subject header.
3018 The `gnus-list-identifiers' variable specifies what to do."
3020 (let ((inhibit-point-motion-hooks t)
3021 (regexp (if (consp gnus-list-identifiers)
3022 (mapconcat 'identity gnus-list-identifiers " *\\|")
3023 gnus-list-identifiers))
3024 (inhibit-read-only t))
3028 (article-narrow-to-head)
3029 (goto-char (point-min))
3030 (while (re-search-forward
3031 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
3033 (delete-region (match-beginning 2) (match-end 0))
3034 (beginning-of-line))
3035 (when (re-search-forward
3036 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
3037 (delete-region (match-beginning 1) (match-end 1))))))))
3039 (defun article-hide-pem (&optional arg)
3040 "Toggle hiding of any PEM headers and signatures in the current article.
3041 If given a negative prefix, always show; if given a positive prefix,
3043 (interactive (gnus-article-hidden-arg))
3044 (unless (gnus-article-check-hidden-text 'pem arg)
3046 (let ((inhibit-read-only t) end)
3047 (goto-char (point-min))
3048 ;; Hide the horrendously ugly "header".
3049 (when (and (search-forward
3050 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
3052 (setq end (1+ (match-beginning 0))))
3053 (gnus-add-wash-type 'pem)
3054 (gnus-article-hide-text-type
3056 (if (search-forward "\n\n" nil t)
3060 ;; Hide the trailer as well
3061 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
3063 (gnus-article-hide-text-type
3064 (match-beginning 0) (match-end 0) 'pem)))))))
3066 (defun article-strip-banner ()
3067 "Strip the banners specified by the `banner' group parameter and by
3068 `gnus-article-address-banner-alist'."
3072 (let ((inhibit-point-motion-hooks t))
3073 (when (gnus-parameter-banner gnus-newsgroup-name)
3074 (article-really-strip-banner
3075 (gnus-parameter-banner gnus-newsgroup-name)))
3076 (when gnus-article-address-banner-alist
3077 ;; Note that the From header is decoded here, so it is
3078 ;; required that the *-extract-address-components function
3079 ;; supports non-ASCII text.
3080 (let ((from (save-restriction
3082 (article-narrow-to-head)
3083 (mail-fetch-field "from"))))
3086 (cadr (funcall gnus-extract-address-components
3089 (dolist (pair gnus-article-address-banner-alist)
3090 (when (string-match (car pair) from)
3092 (article-really-strip-banner (cdr pair)))))))))))))
3094 (defun article-really-strip-banner (banner)
3095 "Strip the banner specified by the argument."
3098 (let ((inhibit-point-motion-hooks t)
3099 (gnus-signature-limit nil)
3100 (inhibit-read-only t))
3103 ((eq banner 'signature)
3104 (when (gnus-article-narrow-to-signature)
3107 (delete-region (point) (point-max))))
3109 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
3110 (while (re-search-forward banner nil t)
3111 (delete-region (match-beginning 0) (match-end 0)))))
3113 (while (re-search-forward banner nil t)
3114 (delete-region (match-beginning 0) (match-end 0)))))))))
3116 (defun article-babel ()
3117 "Translate article using an online translation service."
3120 (gnus-with-article-buffer
3121 (when (article-goto-body)
3122 (let* ((start (point))
3124 (orig (buffer-substring start end))
3125 (trans (babel-as-string orig)))
3127 (narrow-to-region start end)
3128 (delete-region start end)
3131 (defun article-hide-signature (&optional arg)
3132 "Hide the signature in the current article.
3133 If given a negative prefix, always show; if given a positive prefix,
3135 (interactive (gnus-article-hidden-arg))
3136 (unless (gnus-article-check-hidden-text 'signature arg)
3139 (let ((inhibit-read-only t))
3140 (when (gnus-article-narrow-to-signature)
3141 (gnus-article-hide-text-type
3142 (point-min) (point-max) 'signature))))))
3143 (gnus-set-mode-line 'article))
3145 (defun article-strip-headers-in-body ()
3146 "Strip offensive headers from bodies."
3150 (let ((case-fold-search t))
3151 (when (looking-at "x-no-archive:")
3152 (gnus-delete-line)))))
3154 (defun article-strip-leading-blank-lines ()
3155 "Remove all blank lines from the beginning of the article."
3158 (let ((inhibit-point-motion-hooks t)
3159 (inhibit-read-only t))
3160 (when (article-goto-body)
3161 (while (and (not (eobp))
3162 (looking-at "[ \t]*$"))
3163 (gnus-delete-line))))))
3165 (defun article-narrow-to-head ()
3166 "Narrow the buffer to the head of the message.
3167 Point is left at the beginning of the narrowed-to region."
3169 (goto-char (point-min))
3170 (if (search-forward "\n\n" nil 1)
3173 (goto-char (point-min)))
3175 (defun article-goto-body ()
3176 "Place point at the start of the body."
3177 (goto-char (point-min))
3179 ;; This variable is only bound when dealing with separate
3181 (article-goto-body-goes-to-point-min-p
3183 ((search-forward "\n\n" nil t)
3186 (goto-char (point-max))
3189 (defun article-strip-multiple-blank-lines ()
3190 "Replace consecutive blank lines with one empty line."
3193 (let ((inhibit-point-motion-hooks t)
3194 (inhibit-read-only t))
3195 ;; First make all blank lines empty.
3197 (while (re-search-forward "^[ \t]+$" nil t)
3198 (unless (gnus-annotation-in-region-p
3199 (match-beginning 0) (match-end 0))
3200 (replace-match "" nil t)))
3201 ;; Then replace multiple empty lines with a single empty line.
3203 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
3204 (unless (gnus-annotation-in-region-p
3205 (match-beginning 0) (match-end 0))
3206 (delete-region (match-beginning 1) (match-end 1)))))))
3208 (defun article-strip-leading-space ()
3209 "Remove all white space from the beginning of the lines in the article."
3212 (let ((inhibit-point-motion-hooks t)
3213 (inhibit-read-only t))
3215 (while (re-search-forward "^[ \t]+" nil t)
3216 (replace-match "" t t)))))
3218 (defun article-strip-trailing-space ()
3219 "Remove all white space from the end of the lines in the article."
3222 (let ((inhibit-point-motion-hooks t)
3223 (inhibit-read-only t))
3225 (while (re-search-forward "[ \t]+$" nil t)
3226 (replace-match "" t t)))))
3228 (defun article-strip-blank-lines ()
3229 "Strip leading, trailing and multiple blank lines."
3231 (article-strip-leading-blank-lines)
3232 (article-remove-trailing-blank-lines)
3233 (article-strip-multiple-blank-lines))
3235 (defun article-strip-all-blank-lines ()
3236 "Strip all blank lines."
3239 (let ((inhibit-point-motion-hooks t)
3240 (inhibit-read-only t))
3242 (while (re-search-forward "^[ \t]*\n" nil t)
3243 (replace-match "" t t)))))
3245 (defun gnus-article-narrow-to-signature ()
3246 "Narrow to the signature; return t if a signature is found, else nil."
3247 (let ((inhibit-point-motion-hooks t))
3248 (when (gnus-article-search-signature)
3250 ;; Check whether we have some limits to what we consider
3251 ;; to be a signature.
3252 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
3253 (list gnus-signature-limit)))
3255 (while (setq limit (pop limits))
3256 (if (or (and (integerp limit)
3257 (< (- (point-max) (point)) limit))
3259 (< (count-lines (point) (point-max)) limit))
3260 (and (functionp limit)
3262 (and (stringp limit)
3263 (not (re-search-forward limit nil t))))
3264 () ; This limit did not succeed.
3268 (narrow-to-region (point) (point-max))
3271 (defun gnus-article-search-signature ()
3272 "Search the current buffer for the signature separator.
3273 Put point at the beginning of the signature separator."
3274 (let ((cur (point)))
3275 (goto-char (point-max))
3276 (if (if (stringp gnus-signature-separator)
3277 (re-search-backward gnus-signature-separator nil t)
3278 (let ((seps gnus-signature-separator))
3280 (not (re-search-backward (car seps) nil t)))
3287 (defun gnus-article-hidden-arg ()
3288 "Return the current prefix arg as a number, or 0 if no prefix."
3289 (list (if current-prefix-arg
3290 (prefix-numeric-value current-prefix-arg)
3293 (defun gnus-article-check-hidden-text (type arg)
3294 "Return nil if hiding is necessary.
3295 Arg can be nil or a number. nil and positive means hide, negative
3296 means show, 0 means toggle."
3299 (let ((hide (gnus-article-hidden-text-p type)))
3305 (gnus-article-show-hidden-text type)
3308 (if (eq hide 'hidden)
3310 (gnus-article-show-hidden-text type)
3314 (defun gnus-article-hidden-text-p (type)
3315 "Say whether the current buffer contains hidden text of type TYPE."
3316 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
3318 (not (get-text-property pos 'invisible))
3319 (not (get-text-property pos 'dummy-invisible)))
3321 (text-property-any (1+ pos) (point-max) 'article-type type)))
3326 (defun gnus-article-show-hidden-text (type &optional dummy)
3327 "Show all hidden text of type TYPE.
3328 Originally it is hide instead of DUMMY."
3329 (let ((inhibit-read-only t)
3330 (inhibit-point-motion-hooks t))
3331 (gnus-remove-text-properties-when
3333 (point-min) (point-max)
3334 (cons 'article-type (cons type
3335 gnus-hidden-properties)))
3336 (gnus-delete-wash-type type)))
3338 (defconst article-time-units
3339 `((year . ,(* 365.25 24 60 60))
3340 (week . ,(* 7 24 60 60))
3341 (day . ,(* 24 60 60))
3345 "Mapping from time units to seconds.")
3347 (defun gnus-article-forward-header ()
3348 "Move point to the start of the next header.
3349 If the current header is a continuation header, this can be several
3354 (if (looking-at "[ \t]+[^ \t]")
3358 (defun article-date-ut (&optional type highlight)
3359 "Convert DATE date to universal time in the current article.
3360 If TYPE is `local', convert to local time; if it is `lapsed', output
3361 how much time has lapsed since DATE. For `lapsed', the value of
3362 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
3363 should replace the \"Date:\" one, or should be added below it."
3364 (interactive (list 'ut t))
3365 (let* ((tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
3366 (date-regexp (cond ((not gnus-article-date-lapsed-new-header)
3370 (article-lapsed-timer
3374 (case-fold-search t)
3375 (inhibit-read-only t)
3376 (inhibit-point-motion-hooks t)
3377 pos date bface eface)
3381 (goto-char (point-min))
3382 (while (or (setq date (get-text-property (setq pos (point))
3384 (when (setq pos (next-single-property-change
3385 (point) 'original-date))
3386 (setq date (get-text-property pos 'original-date))
3388 (narrow-to-region pos (or (text-property-any pos (point-max)
3391 (goto-char (point-min))
3392 (when (re-search-forward tdate-regexp nil t)
3393 (setq bface (get-text-property (point-at-bol) 'face)
3394 eface (get-text-property (1- (point-at-eol)) 'face)))
3395 (goto-char (point-min))
3397 ;; Delete any old Date headers.
3398 (while (re-search-forward date-regexp nil t)
3400 (delete-region (point-at-bol) (progn
3401 (gnus-article-forward-header)
3403 (delete-region (point-at-bol) (progn
3404 (gnus-article-forward-header)
3407 (setq pos (point))))
3408 (when (and (not pos)
3409 (re-search-forward tdate-regexp nil t))
3411 (gnus-goto-char pos)
3412 (insert (article-make-date-line date (or type 'ut)))
3418 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
3419 (put-text-property (match-beginning 1) (1+ (match-end 1))
3421 (put-text-property (match-beginning 2) (match-end 2)
3423 (put-text-property (point-min) (1- (point-max)) 'original-date date)
3424 (goto-char (point-max))
3427 (defun article-make-date-line (date type)
3428 "Return a DATE line of TYPE."
3429 (unless (memq type '(local ut original user iso8601 lapsed english))
3430 (error "Unknown conversion type: %s" type))
3432 (let ((time (date-to-time date)))
3434 ;; Convert to the local timezone.
3436 (concat "Date: " (message-make-date time)))
3437 ;; Convert to Universal Time.
3442 (let* ((e (parse-time-string date))
3443 (tm (apply 'encode-time e))
3445 (ls (- (cadr tm) (car (current-time-zone time)))))
3446 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
3447 ((> ls 65535) (list (1+ ms) (- ls 65536)))
3451 ;; Get the original date from the article.
3452 ((eq type 'original)
3453 (concat "Date: " (if (string-match "\n+$" date)
3454 (substring date 0 (match-beginning 0))
3456 ;; Let the user define the format.
3458 (let ((format (or (condition-case nil
3459 (with-current-buffer gnus-summary-buffer
3460 gnus-article-time-format)
3462 gnus-article-time-format)))
3463 (if (functionp format)
3464 (funcall format time)
3465 (concat "Date: " (format-time-string format time)))))
3468 (let ((tz (car (current-time-zone time))))
3471 (format-time-string "%Y%m%dT%H%M%S" time)
3472 (format "%s%02d%02d"
3473 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
3474 (/ (% (abs tz) 3600) 60)))))
3475 ;; Do an X-Sent lapsed format.
3477 ;; If the date is seriously mangled, the timezone functions are
3478 ;; liable to bug out, so we ignore all errors.
3479 (let* ((now (current-time))
3480 (real-time (subtract-time now time))
3481 (real-sec (and real-time
3482 (+ (* (float (car real-time)) 65536)
3484 (sec (and real-time (abs real-sec)))
3494 ;; This is a bit convoluted, but basically we go
3495 ;; through the time units for years, weeks, etc,
3496 ;; and divide things to see whether that results
3497 ;; in positive answers.
3500 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
3501 ;; The (remaining) seconds are too few to
3502 ;; be divided into this time unit.
3504 ;; It's big enough, so we output it.
3505 (setq sec (- sec (* num (cdr unit))))
3507 (concat (if prev ", " "") (int-to-string
3509 " " (symbol-name (car unit))
3510 (if (> num 1) "s" ""))
3512 article-time-units "")
3513 ;; If dates are odd, then it might appear like the
3514 ;; article was sent in the future.
3517 " in the future"))))))
3518 ;; Display the date in proper English
3520 (let ((dtime (decode-time time)))
3523 (number-to-string (nth 3 dtime))
3524 (let ((digit (% (nth 3 dtime) 10)))
3526 ((memq (nth 3 dtime) '(11 12 13)) "th")
3532 (nth (1- (nth 4 dtime)) gnus-english-month-names)
3534 (number-to-string (nth 5 dtime))
3536 (format "%02d" (nth 2 dtime))
3538 (format "%02d" (nth 1 dtime)))))))
3540 (format "Date: %s (from Gnus)" date))))
3542 (defun article-date-local (&optional highlight)
3543 "Convert the current article date to the local timezone."
3544 (interactive (list t))
3545 (article-date-ut 'local highlight))
3547 (defun article-date-english (&optional highlight)
3548 "Convert the current article date to something that is proper English."
3549 (interactive (list t))
3550 (article-date-ut 'english highlight))
3552 (defun article-date-original (&optional highlight)
3553 "Convert the current article date to what it was originally.
3554 This is only useful if you have used some other date conversion
3555 function and want to see what the date was before converting."
3556 (interactive (list t))
3557 (article-date-ut 'original highlight))
3559 (defun article-date-lapsed (&optional highlight)
3560 "Convert the current article date to time lapsed since it was sent."
3561 (interactive (list t))
3562 (article-date-ut 'lapsed highlight))
3564 (defun article-update-date-lapsed ()
3565 "Function to be run from a timer to update the lapsed time line."
3567 (let (deactivate-mark)
3572 (set-buffer (window-buffer w))
3573 (when (eq major-mode 'gnus-article-mode)
3574 (let ((mark (point-marker)))
3575 (goto-char (point-min))
3576 (when (re-search-forward "^X-Sent:" nil t)
3577 (article-date-lapsed t))
3578 (goto-char (marker-position mark))
3579 (move-marker mark nil))))
3582 (defun gnus-start-date-timer (&optional n)
3583 "Start a timer to update the X-Sent header in the article buffers.
3584 The numerical prefix says how frequently (in seconds) the function
3589 (gnus-stop-date-timer)
3590 (setq article-lapsed-timer
3591 (run-at-time 1 n 'article-update-date-lapsed)))
3593 (defun gnus-stop-date-timer ()
3594 "Stop the X-Sent timer."
3596 (when article-lapsed-timer
3597 (nnheader-cancel-timer article-lapsed-timer)
3598 (setq article-lapsed-timer nil)))
3600 (defun article-date-user (&optional highlight)
3601 "Convert the current article date to the user-defined format.
3602 This format is defined by the `gnus-article-time-format' variable."
3603 (interactive (list t))
3604 (article-date-ut 'user highlight))
3606 (defun article-date-iso8601 (&optional highlight)
3607 "Convert the current article date to ISO8601."
3608 (interactive (list t))
3609 (article-date-ut 'iso8601 highlight))
3611 (defmacro gnus-article-save-original-date (&rest forms)
3612 "Save the original date as a text property and evaluate FORMS."
3613 `(let* ((case-fold-search t)
3615 (goto-char (point-min))
3616 (when (and (re-search-forward "^date:[\t\n ]+" nil t)
3619 (date (when (and start
3620 (re-search-forward "[\t ]*\n\\(?:[^\t ]\\|\\'\\)"
3622 (buffer-substring-no-properties start
3623 (match-beginning 0)))))
3624 (goto-char (point-max))
3625 (skip-chars-backward "\n")
3626 (put-text-property (point-min) (point) 'original-date date)
3628 (goto-char (point-max))
3629 (skip-chars-backward "\n")
3630 (put-text-property (point-min) (point) 'original-date date)))
3632 ;; (defun article-show-all ()
3633 ;; "Show all hidden text in the article buffer."
3636 ;; (let ((inhibit-read-only t))
3637 ;; (gnus-article-unhide-text (point-min) (point-max)))))
3639 (defun article-remove-leading-whitespace ()
3640 "Remove excessive whitespace from all headers."
3644 (let ((inhibit-read-only t))
3645 (article-narrow-to-head)
3646 (goto-char (point-min))
3647 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3648 (delete-region (match-beginning 1) (match-end 1)))))))
3650 (defun article-emphasize (&optional arg)
3651 "Emphasize text according to `gnus-emphasis-alist'."
3652 (interactive (gnus-article-hidden-arg))
3653 (unless (gnus-article-check-hidden-text 'emphasis arg)
3657 (with-current-buffer gnus-summary-buffer
3658 gnus-article-emphasis-alist)
3660 gnus-emphasis-alist))
3661 (inhibit-read-only t)
3662 (props (append '(article-type emphasis)
3663 gnus-hidden-properties))
3664 regexp elem beg invisible visible face)
3667 (while (setq elem (pop alist))
3669 (setq regexp (car elem)
3670 invisible (nth 1 elem)
3671 visible (nth 2 elem)
3673 (while (re-search-forward regexp nil t)
3674 (when (and (match-beginning visible) (match-beginning invisible))
3675 (gnus-article-hide-text
3676 (match-beginning invisible) (match-end invisible) props)
3677 (gnus-article-unhide-text-type
3678 (match-beginning visible) (match-end visible) 'emphasis)
3679 (gnus-put-overlay-excluding-newlines
3680 (match-beginning visible) (match-end visible) 'face face)
3681 (gnus-add-wash-type 'emphasis)
3682 (goto-char (match-end invisible)))))))))
3684 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3685 "Setup newsgroup emphasis alist."
3686 (unless gnus-article-emphasis-alist
3687 (let ((name (and gnus-newsgroup-name
3688 (gnus-group-real-name gnus-newsgroup-name))))
3689 (make-local-variable 'gnus-article-emphasis-alist)
3690 (setq gnus-article-emphasis-alist
3692 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3693 (while (setq elem (pop alist))
3694 (when (and name (string-match (car elem) name))
3696 highlight (copy-sequence (cdr elem)))))
3698 (copy-sequence highlight-words)
3699 (if gnus-newsgroup-name
3700 (copy-sequence (gnus-group-find-parameter
3701 gnus-newsgroup-name 'highlight-words t)))
3702 gnus-emphasis-alist)))))
3704 (defvar gnus-summary-article-menu)
3705 (defvar gnus-summary-post-menu)
3707 ;;; Saving functions.
3709 (defun gnus-article-save (save-buffer file &optional num)
3710 "Save the currently selected article."
3711 (when (or (get gnus-default-article-saver :headers)
3712 (not gnus-save-all-headers))
3713 ;; Remove headers according to `gnus-saved-headers' or the value
3714 ;; of the `:headers' property that the saver function might have.
3715 (let ((gnus-visible-headers
3716 (or (symbol-value (get gnus-default-article-saver :headers))
3717 gnus-saved-headers gnus-visible-headers))
3718 ;; Ignore group parameter. See `article-hide-headers'.
3719 (gnus-summary-buffer nil))
3720 (with-current-buffer save-buffer
3721 (article-hide-headers 1 t))))
3722 (save-window-excursion
3723 (if (not gnus-default-article-saver)
3724 (error "No default saver is defined")
3725 ;; !!! Magic! The saving functions all save
3726 ;; `gnus-save-article-buffer' (or so they think), but we
3727 ;; bind that variable to our save-buffer.
3728 (set-buffer gnus-article-buffer)
3729 (let* ((gnus-save-article-buffer save-buffer)
3732 ((not gnus-prompt-before-saving) 'default)
3733 ((eq gnus-prompt-before-saving 'always) nil)
3735 (gnus-number-of-articles-to-be-saved
3736 (when (eq gnus-prompt-before-saving t)
3738 (set-buffer gnus-article-current-summary)
3739 (funcall gnus-default-article-saver filename)))))
3741 (defun gnus-read-save-file-name (prompt &optional filename
3742 function group headers variable
3745 (funcall function group headers (symbol-value variable)))
3750 ((eq filename 'default)
3756 (when (symbol-value dir-var)
3757 (setq default-name (expand-file-name
3758 (file-name-nondirectory default-name)
3759 (symbol-value dir-var))))
3760 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3763 (if (and gnus-number-of-articles-to-be-saved
3764 (> gnus-number-of-articles-to-be-saved 1))
3765 (format "these %d articles"
3766 gnus-number-of-articles-to-be-saved)
3769 ;; Let the split methods have their say.
3771 ;; No split name was found.
3774 (concat prompt " (default "
3775 (file-name-nondirectory default-name) "): ")
3776 (file-name-directory default-name)
3778 ;; A single group name is returned.
3779 ((stringp split-name)
3781 (funcall function split-name headers
3782 (symbol-value variable)))
3784 (concat prompt " (default "
3785 (file-name-nondirectory default-name) "): ")
3786 (file-name-directory default-name)
3788 ;; A single split name was found
3789 ((= 1 (length split-name))
3790 (let* ((name (expand-file-name
3792 gnus-article-save-directory))
3793 (dir (cond ((file-directory-p name)
3794 (file-name-as-directory name))
3795 ((file-exists-p name) name)
3796 (t gnus-article-save-directory))))
3798 (concat prompt " (default " name "): ")
3800 ;; A list of splits was found.
3802 (setq split-name (nreverse split-name))
3804 (let ((file-name-history
3805 (nconc split-name file-name-history)))
3809 (concat prompt " (`M-p' for defaults): ")
3810 gnus-article-save-directory
3812 gnus-article-save-directory)))
3813 (car (push result file-name-history)))))))
3814 ;; Create the directory.
3815 (gnus-make-directory (file-name-directory file))
3816 ;; If we have read a directory, we append the default file name.
3817 (when (file-directory-p file)
3818 (setq file (expand-file-name (file-name-nondirectory
3820 (file-name-as-directory file))))
3821 ;; Possibly translate some characters.
3822 (nnheader-translate-file-chars file))))))
3823 (gnus-make-directory (file-name-directory result))
3825 (set variable result))
3827 (set dir-var (file-name-directory result)))
3830 (defun gnus-article-archive-name (group)
3831 "Return the first instance of an \"Archive-name\" in the current buffer."
3832 (let ((case-fold-search t))
3833 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3834 (nnheader-concat gnus-article-save-directory
3835 (match-string 1)))))
3837 (defun gnus-article-nndoc-name (group)
3838 "If GROUP is an nndoc group, return the name of the parent group."
3839 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3840 (gnus-group-get-parameter group 'save-article-group)))
3842 (defun gnus-summary-save-in-rmail (&optional filename)
3843 "Append this article to Rmail file.
3844 Optional argument FILENAME specifies file name.
3845 Directory to save to is default to `gnus-article-save-directory'."
3846 (setq filename (gnus-read-save-file-name
3847 "Save %s in rmail file" filename
3848 gnus-rmail-save-name gnus-newsgroup-name
3849 gnus-current-headers 'gnus-newsgroup-last-rmail))
3850 (gnus-eval-in-buffer-window gnus-save-article-buffer
3854 (gnus-output-to-rmail filename))))
3857 (defun gnus-summary-save-in-mail (&optional filename)
3858 "Append this article to Unix mail file.
3859 Optional argument FILENAME specifies file name.
3860 Directory to save to is default to `gnus-article-save-directory'."
3861 (setq filename (gnus-read-save-file-name
3862 "Save %s in Unix mail file" filename
3863 gnus-mail-save-name gnus-newsgroup-name
3864 gnus-current-headers 'gnus-newsgroup-last-mail))
3865 (gnus-eval-in-buffer-window gnus-save-article-buffer
3869 (if (and (file-readable-p filename)
3870 (file-regular-p filename)
3871 (mail-file-babyl-p filename))
3872 (rmail-output-to-rmail-file filename t)
3873 (gnus-output-to-mail filename)))))
3876 (put 'gnus-summary-save-in-file :decode t)
3877 (put 'gnus-summary-save-in-file :headers 'gnus-saved-headers)
3878 (defun gnus-summary-save-in-file (&optional filename overwrite)
3879 "Append this article to file.
3880 Optional argument FILENAME specifies file name.
3881 Directory to save to is default to `gnus-article-save-directory'."
3882 (setq filename (gnus-read-save-file-name
3883 "Save %s in file" filename
3884 gnus-file-save-name gnus-newsgroup-name
3885 gnus-current-headers 'gnus-newsgroup-last-file))
3886 (gnus-eval-in-buffer-window gnus-save-article-buffer
3890 (when (and overwrite
3891 (file-exists-p filename))
3892 (delete-file filename))
3893 (gnus-output-to-file filename))))
3896 (put 'gnus-summary-write-to-file :decode t)
3897 (put 'gnus-summary-write-to-file :function 'gnus-summary-save-in-file)
3898 (put 'gnus-summary-write-to-file :headers 'gnus-saved-headers)
3899 (defun gnus-summary-write-to-file (&optional filename)
3900 "Write this article to a file, overwriting it if the file exists.
3901 Optional argument FILENAME specifies file name.
3902 The directory to save in defaults to `gnus-article-save-directory'."
3903 (setq filename (gnus-read-save-file-name
3904 "Save %s in file" filename
3905 gnus-file-save-name gnus-newsgroup-name
3906 gnus-current-headers nil 'gnus-newsgroup-last-directory))
3907 (gnus-summary-save-in-file filename t))
3909 (put 'gnus-summary-save-body-in-file :decode t)
3910 (defun gnus-summary-save-body-in-file (&optional filename overwrite)
3911 "Append this article body to a file.
3912 Optional argument FILENAME specifies file name.
3913 The directory to save in defaults to `gnus-article-save-directory'."
3914 (setq filename (gnus-read-save-file-name
3915 "Save %s body in file" filename
3916 gnus-file-save-name gnus-newsgroup-name
3917 gnus-current-headers 'gnus-newsgroup-last-file))
3918 (gnus-eval-in-buffer-window gnus-save-article-buffer
3922 (when (article-goto-body)
3923 (narrow-to-region (point) (point-max)))
3924 (when (and overwrite
3925 (file-exists-p filename))
3926 (delete-file filename))
3927 (gnus-output-to-file filename))))
3930 (put 'gnus-summary-write-body-to-file :decode t)
3931 (put 'gnus-summary-write-body-to-file
3932 :function 'gnus-summary-save-body-in-file)
3933 (defun gnus-summary-write-body-to-file (&optional filename)
3934 "Write this article body to a file, overwriting it if the file exists.
3935 Optional argument FILENAME specifies file name.
3936 The directory to save in defaults to `gnus-article-save-directory'."
3937 (setq filename (gnus-read-save-file-name
3938 "Save %s body in file" filename
3939 gnus-file-save-name gnus-newsgroup-name
3940 gnus-current-headers nil 'gnus-newsgroup-last-directory))
3941 (gnus-summary-save-body-in-file filename t))
3943 (put 'gnus-summary-save-in-pipe :decode t)
3944 (put 'gnus-summary-save-in-pipe :headers 'gnus-saved-headers)
3945 (defun gnus-summary-save-in-pipe (&optional command)
3946 "Pipe this article to subprocess."
3947 (let ((save-buffer gnus-save-article-buffer)
3948 (default (or gnus-summary-pipe-output-default-command
3949 gnus-last-shell-command)))
3950 ;; `gnus-save-article-buffer' should be a buffer containing the article
3951 ;; contents if this function is called by way of the command
3952 ;; `gnus-summary-pipe-output'. OTOH, that the buffer does not exist
3953 ;; means this function is called independently.
3954 (unless (gnus-buffer-live-p save-buffer)
3955 (let ((article (gnus-summary-article-number))
3956 (decode (get 'gnus-summary-save-in-pipe :decode)))
3958 (if (vectorp (gnus-summary-article-header article))
3959 (save-window-excursion
3960 (let ((gnus-display-mime-function
3962 gnus-display-mime-function))
3963 (gnus-article-prepare-hook
3965 gnus-article-prepare-hook)))
3966 (gnus-summary-select-article t t nil article)
3967 (gnus-summary-goto-subject article))
3968 (insert-buffer-substring
3972 gnus-original-article-buffer)
3974 (nnheader-set-temp-buffer " *Gnus Save*"))))
3975 ;; Remove unwanted headers.
3976 (let ((gnus-visible-headers
3977 (or (symbol-value (get gnus-default-article-saver
3979 gnus-saved-headers gnus-visible-headers))
3980 (gnus-summary-buffer nil))
3981 (article-hide-headers 1 t)))
3982 (error "%d is not a real article" article))
3983 (error "No article to pipe"))))
3984 (unless (stringp command)
3986 (if (and (eq command 'default) default)
3988 (gnus-read-shell-command
3990 "Shell command on %s: "
3991 (if (and gnus-number-of-articles-to-be-saved
3992 (> gnus-number-of-articles-to-be-saved 1))
3993 (format "these %d articles"
3994 gnus-number-of-articles-to-be-saved)
3997 (when (string-equal command "")
3999 (setq command default)
4000 (error "A command is required")))
4001 (gnus-eval-in-buffer-window save-buffer
4004 (shell-command-on-region (point-min) (point-max) command nil)))
4005 (gnus-kill-buffer save-buffer))
4006 (setq gnus-summary-pipe-output-default-command command))
4008 (defun gnus-summary-pipe-to-muttprint (&optional command)
4009 "Pipe this article to muttprint."
4010 (unless (stringp command)
4011 (setq command (read-string
4012 "Print using command: " gnus-summary-muttprint-program
4013 nil gnus-summary-muttprint-program)))
4014 (let ((gnus-summary-pipe-output-default-command
4015 gnus-summary-pipe-output-default-command))
4016 (gnus-summary-save-in-pipe command))
4017 (setq gnus-summary-muttprint-program command))
4019 ;;; Article file names when saving.
4021 (defun gnus-capitalize-newsgroup (newsgroup)
4022 "Capitalize NEWSGROUP name."
4023 (when (not (zerop (length newsgroup)))
4024 (concat (char-to-string (upcase (aref newsgroup 0)))
4025 (substring newsgroup 1))))
4027 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
4028 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
4029 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
4030 Otherwise, it is like ~/News/news/group/num."
4033 (concat (if (gnus-use-long-file-name 'not-save)
4034 (gnus-capitalize-newsgroup newsgroup)
4035 (gnus-newsgroup-directory-form newsgroup))
4036 "/" (int-to-string (mail-header-number headers)))
4037 gnus-article-save-directory)))
4039 (string-equal (file-name-directory default)
4040 (file-name-directory last-file))
4041 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
4043 (or last-file default))))
4045 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
4046 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
4047 If variable `gnus-use-long-file-name' is non-nil, it is
4048 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
4051 (concat (if (gnus-use-long-file-name 'not-save)
4053 (gnus-newsgroup-directory-form newsgroup))
4054 "/" (int-to-string (mail-header-number headers)))
4055 gnus-article-save-directory)))
4057 (string-equal (file-name-directory default)
4058 (file-name-directory last-file))
4059 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
4061 (or last-file default))))
4063 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
4064 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
4065 If variable `gnus-use-long-file-name' is non-nil, it is
4066 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
4069 (if (gnus-use-long-file-name 'not-save)
4072 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
4074 gnus-article-save-directory)))
4076 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
4077 "Generate file name from sender."
4078 (let ((from (mail-header-from headers)))
4080 (if (and from (string-match "\\([^ <]+\\)@" from))
4081 (match-string 1 from)
4083 gnus-article-save-directory)))
4085 (defun article-verify-x-pgp-sig ()
4087 ;; <ftp://ftp.isc.org/pub/pgpcontrol/FORMAT>
4089 (if (gnus-buffer-live-p gnus-original-article-buffer)
4090 (let ((sig (with-current-buffer gnus-original-article-buffer
4091 (gnus-fetch-field "X-PGP-Sig")))
4095 (mml2015-clear-verify-function))
4097 (insert-buffer-substring gnus-original-article-buffer)
4098 (setq items (split-string sig))
4099 (message-narrow-to-head)
4100 (let ((inhibit-point-motion-hooks t)
4101 (case-fold-search t))
4102 ;; Don't verify multiple headers.
4103 (setq headers (mapconcat (lambda (header)
4105 (mail-fetch-field header)
4107 (split-string (nth 1 items) ",") "")))
4108 (delete-region (point-min) (point-max))
4109 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
4110 (insert "X-Signed-Headers: " (nth 1 items) "\n")
4115 (if (looking-at "^-")
4118 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
4119 (insert "Version: " (car items) "\n\n")
4120 (insert (mapconcat 'identity (cddr items) "\n"))
4121 (insert "\n-----END PGP SIGNATURE-----\n")
4122 (let ((mm-security-handle (list (format "multipart/signed"))))
4123 (mml2015-clean-buffer)
4124 (let ((coding-system-for-write (or gnus-newsgroup-charset
4126 (funcall (mml2015-clear-verify-function)))
4128 (or (mm-handle-multipart-ctl-parameter
4129 mm-security-handle 'gnus-details)
4130 (mm-handle-multipart-ctl-parameter
4131 mm-security-handle 'gnus-info)))))
4133 (let ((inhibit-read-only t) bface eface)
4135 (message-narrow-to-head)
4136 (goto-char (point-max))
4138 (setq bface (get-text-property (point-at-bol) 'face)
4139 eface (get-text-property (1- (point-at-eol)) 'face))
4140 (message-remove-header "X-Gnus-PGP-Verify")
4141 (if (re-search-forward "^X-PGP-Sig:" nil t)
4143 (goto-char (point-max)))
4144 (narrow-to-region (point) (point))
4145 (insert "X-Gnus-PGP-Verify: " info "\n")
4146 (goto-char (point-min))
4149 (if (not (looking-at "^[ \t]"))
4153 (goto-char (point-min))
4154 (when (looking-at "\\([^:]+\\): *")
4155 (put-text-property (match-beginning 1) (1+ (match-end 1))
4157 (put-text-property (match-end 0) (point-max)
4158 'face eface)))))))))
4160 (defun article-verify-cancel-lock ()
4161 "Verify Cancel-Lock header."
4163 (if (gnus-buffer-live-p gnus-original-article-buffer)
4164 (canlock-verify gnus-original-article-buffer)))
4171 (setq afunc (car func)
4174 gfunc (intern (format "gnus-%s" func))))
4176 (when (fboundp afunc)
4177 `(lambda (&optional interactive &rest args)
4178 ,(documentation afunc t)
4179 (interactive (list t))
4180 (with-current-buffer gnus-article-buffer
4182 (call-interactively ',afunc)
4183 (apply ',afunc args))))))))
4184 '(article-hide-headers
4185 article-verify-x-pgp-sig
4186 article-verify-cancel-lock
4187 article-hide-boring-headers
4188 article-treat-overstrike
4189 article-treat-ansi-sequences
4190 article-fill-long-lines
4191 article-capitalize-sentences
4193 article-remove-leading-whitespace
4194 article-display-x-face
4195 article-display-face
4196 article-de-quoted-unreadable
4197 article-de-base64-unreadable
4200 article-unsplit-urls
4201 article-hide-list-identifiers
4202 article-strip-banner
4205 article-hide-signature
4206 article-strip-headers-in-body
4207 article-remove-trailing-blank-lines
4208 article-strip-leading-blank-lines
4209 article-strip-multiple-blank-lines
4210 article-strip-leading-space
4211 article-strip-trailing-space
4212 article-strip-blank-lines
4213 article-strip-all-blank-lines
4215 article-date-english
4216 article-date-iso8601
4217 article-date-original
4219 article-decode-mime-words
4220 article-decode-charset
4221 article-decode-encoded-words
4225 article-treat-dumbquotes
4226 article-normalize-headers
4227 ;;(article-show-all . gnus-article-show-all-headers)
4231 ;;; Gnus article mode
4234 (put 'gnus-article-mode 'mode-class 'special)
4236 (set-keymap-parent gnus-article-mode-map widget-keymap)
4238 (gnus-define-keys gnus-article-mode-map
4239 " " gnus-article-goto-next-page
4240 "\177" gnus-article-goto-prev-page
4241 [delete] gnus-article-goto-prev-page
4242 [backspace] gnus-article-goto-prev-page
4243 "\C-c^" gnus-article-refer-article
4244 "h" gnus-article-show-summary
4245 "s" gnus-article-show-summary
4246 "\C-c\C-m" gnus-article-mail
4247 "?" gnus-article-describe-briefly
4248 "e" gnus-summary-edit-article
4249 "<" beginning-of-buffer
4251 "\C-c\C-i" gnus-info-find-node
4253 "R" gnus-article-reply-with-original
4254 "F" gnus-article-followup-with-original
4255 "\C-hk" gnus-article-describe-key
4256 "\C-hc" gnus-article-describe-key-briefly
4257 "\C-hb" gnus-article-describe-bindings
4259 "\C-d" gnus-article-read-summary-keys
4260 "\M-*" gnus-article-read-summary-keys
4261 "\M-#" gnus-article-read-summary-keys
4262 "\M-^" gnus-article-read-summary-keys
4263 "\M-g" gnus-article-read-summary-keys)
4265 (substitute-key-definition
4266 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
4268 (gnus-define-keys (gnus-article-send-map "S" gnus-article-mode-map)
4269 "W" gnus-article-wide-reply-with-original)
4270 (if (featurep 'xemacs)
4271 (set-keymap-default-binding gnus-article-send-map
4272 'gnus-article-read-summary-send-keys)
4273 (define-key gnus-article-send-map [t] 'gnus-article-read-summary-send-keys))
4275 (defun gnus-article-make-menu-bar ()
4276 (unless (boundp 'gnus-article-commands-menu)
4277 (gnus-summary-make-menu-bar))
4278 (gnus-turn-off-edit-menu 'article)
4279 (unless (boundp 'gnus-article-article-menu)
4281 gnus-article-article-menu gnus-article-mode-map ""
4283 ["Scroll forwards" gnus-article-goto-next-page t]
4284 ["Scroll backwards" gnus-article-goto-prev-page t]
4285 ["Show summary" gnus-article-show-summary t]
4286 ["Fetch Message-ID at point" gnus-article-refer-article t]
4287 ["Mail to address at point" gnus-article-mail t]
4288 ["Send a bug report" gnus-bug t]))
4291 gnus-article-treatment-menu gnus-article-mode-map ""
4292 ;; Fixme: this should use :active (and maybe :visible).
4294 ["Hide headers" gnus-article-hide-headers t]
4295 ["Hide signature" gnus-article-hide-signature t]
4296 ["Hide citation" gnus-article-hide-citation t]
4297 ["Treat overstrike" gnus-article-treat-overstrike t]
4298 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
4299 ["Remove carriage return" gnus-article-remove-cr t]
4300 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
4301 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
4302 ["Remove base64" gnus-article-de-base64-unreadable t]
4303 ["Treat html" gnus-article-wash-html t]
4304 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
4305 ["Decode HZ" gnus-article-decode-HZ t]))
4307 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
4309 ;; Note "Post" menu is defined in gnus-sum.el for consistency
4311 (gnus-run-hooks 'gnus-article-menu-hook)))
4313 (defun gnus-article-mode ()
4314 "Major mode for displaying an article.
4316 All normal editing commands are switched off.
4318 The following commands are available in addition to all summary mode
4320 \\<gnus-article-mode-map>
4321 \\[gnus-article-next-page]\t Scroll the article one page forwards
4322 \\[gnus-article-prev-page]\t Scroll the article one page backwards
4323 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
4324 \\[gnus-article-show-summary]\t Display the summary buffer
4325 \\[gnus-article-mail]\t Send a reply to the address near point
4326 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
4327 \\[gnus-info-find-node]\t Go to the Gnus info node"
4329 (kill-all-local-variables)
4330 (gnus-simplify-mode-line)
4331 (setq mode-name "Article")
4332 (setq major-mode 'gnus-article-mode)
4333 (make-local-variable 'minor-mode-alist)
4334 (use-local-map gnus-article-mode-map)
4335 (when (gnus-visual-p 'article-menu 'menu)
4336 (gnus-article-make-menu-bar)
4337 (when gnus-summary-tool-bar-map
4338 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
4339 (gnus-update-format-specifications nil 'article-mode)
4340 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
4341 (set (make-local-variable 'gnus-page-broken) nil)
4342 (make-local-variable 'gnus-button-marker-list)
4343 (make-local-variable 'gnus-article-current-summary)
4344 (make-local-variable 'gnus-article-mime-handles)
4345 (make-local-variable 'gnus-article-decoded-p)
4346 (make-local-variable 'gnus-article-mime-handle-alist)
4347 (make-local-variable 'gnus-article-wash-types)
4348 (make-local-variable 'gnus-article-image-alist)
4349 (make-local-variable 'gnus-article-charset)
4350 (make-local-variable 'gnus-article-ignored-charsets)
4351 ;; Prevent Emacs 22 from displaying non-break space with `nobreak-space'
4353 (set (make-local-variable 'nobreak-char-display) nil)
4354 (setq cursor-in-non-selected-windows nil)
4355 (setq truncate-lines gnus-article-truncate-lines)
4356 (gnus-set-default-directory)
4357 (buffer-disable-undo)
4358 (setq buffer-read-only t
4359 show-trailing-whitespace nil)
4360 (set-syntax-table gnus-article-mode-syntax-table)
4361 (mm-enable-multibyte)
4362 (gnus-run-mode-hooks 'gnus-article-mode-hook))
4364 (defvar gnus-button-marker-list nil
4365 "Regexp matching any of the regexps from `gnus-button-alist'.
4366 Internal variable.")
4368 (defun gnus-article-setup-buffer ()
4369 "Initialize the article buffer."
4370 (let* ((name (if gnus-single-article-buffer "*Article*"
4371 (concat "*Article " gnus-newsgroup-name "*")))
4373 (progn (string-match "\\*Article" name)
4374 (concat " *Original Article"
4375 (substring name (match-end 0))))))
4376 (setq gnus-article-buffer name)
4377 (setq gnus-original-article-buffer original)
4378 (setq gnus-article-mime-handle-alist nil)
4379 (with-current-buffer gnus-summary-buffer
4380 ;; This might be a variable local to the summary buffer.
4381 (unless gnus-single-article-buffer
4382 (setq gnus-article-buffer name)
4383 (setq gnus-original-article-buffer original)
4384 (gnus-set-global-variables)))
4385 (gnus-article-setup-highlight-words)
4386 ;; Init original article buffer.
4387 (with-current-buffer (gnus-get-buffer-create gnus-original-article-buffer)
4388 (mm-enable-multibyte)
4389 (setq major-mode 'gnus-original-article-mode)
4390 (make-local-variable 'gnus-original-article))
4391 (if (and (get-buffer name)
4392 (with-current-buffer name
4393 (if gnus-article-edit-mode
4394 (if (y-or-n-p "Article mode edit in progress; discard? ")
4396 (set-buffer-modified-p nil)
4397 (gnus-kill-buffer name)
4400 (error "Action aborted"))
4402 (with-current-buffer name
4403 (set (make-local-variable 'gnus-article-edit-mode) nil)
4404 (when gnus-article-mime-handles
4405 (mm-destroy-parts gnus-article-mime-handles)
4406 (setq gnus-article-mime-handles nil))
4407 ;; Set it to nil in article-buffer!
4408 (setq gnus-article-mime-handle-alist nil)
4409 (buffer-disable-undo)
4410 (setq buffer-read-only t)
4411 ;; This list just keeps growing if we don't reset it.
4412 (setq gnus-button-marker-list nil)
4413 (unless (eq major-mode 'gnus-article-mode)
4414 (gnus-article-mode))
4416 (with-current-buffer (gnus-get-buffer-create name)
4418 (make-local-variable 'gnus-summary-buffer)
4419 (setq gnus-summary-buffer
4420 (gnus-summary-buffer-name gnus-newsgroup-name))
4421 (gnus-summary-set-local-parameters gnus-newsgroup-name)
4422 (current-buffer)))))
4424 ;; Set article window start at LINE, where LINE is the number of lines
4425 ;; from the head of the article.
4426 (defun gnus-article-set-window-start (&optional line)
4427 (let ((article-window (gnus-get-buffer-window gnus-article-buffer t)))
4428 (when article-window
4431 (with-current-buffer gnus-article-buffer
4432 (goto-char (point-min))
4435 (gnus-message 6 "Moved to bookmark")
4436 (search-forward "\n\n" nil t)
4440 (defun gnus-article-prepare (article &optional all-headers header)
4441 "Prepare ARTICLE in article mode buffer.
4442 ARTICLE should either be an article number or a Message-ID.
4443 If ARTICLE is an id, HEADER should be the article headers.
4444 If ALL-HEADERS is non-nil, no headers are hidden."
4446 ;; Make sure we start in a summary buffer.
4447 (unless (eq major-mode 'gnus-summary-mode)
4448 (set-buffer gnus-summary-buffer))
4449 (setq gnus-summary-buffer (current-buffer))
4450 (let* ((gnus-article (if header (mail-header-number header) article))
4451 (summary-buffer (current-buffer))
4452 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
4453 (group gnus-newsgroup-name)
4456 (gnus-article-setup-buffer)
4457 (set-buffer gnus-article-buffer)
4458 ;; Deactivate active regions.
4459 (when (and (boundp 'transient-mark-mode)
4460 transient-mark-mode)
4461 (setq mark-active nil))
4462 (if (not (setq result (let ((inhibit-read-only t))
4463 (gnus-request-article-this-buffer
4465 ;; There is no such article.
4467 (when (and (numberp article)
4468 (not (memq article gnus-newsgroup-sparse)))
4469 (setq gnus-article-current
4470 (cons gnus-newsgroup-name article))
4471 (set-buffer gnus-summary-buffer)
4472 (setq gnus-current-article article)
4473 (if (and (memq article gnus-newsgroup-undownloaded)
4474 (not (gnus-online (gnus-find-method-for-group
4475 gnus-newsgroup-name))))
4477 (gnus-summary-set-agent-mark article)
4478 (message "Message marked for downloading"))
4479 (gnus-summary-mark-article article gnus-canceled-mark)
4480 (unless (memq article gnus-newsgroup-sparse)
4481 (gnus-error 1 "No such article (may have expired or been canceled)")))))
4482 (if (or (eq result 'pseudo)
4483 (eq result 'nneething))
4485 (with-current-buffer summary-buffer
4486 (push article gnus-newsgroup-history)
4487 (setq gnus-last-article gnus-current-article
4488 gnus-current-article 0
4489 gnus-current-headers nil
4490 gnus-article-current nil)
4491 (if (eq result 'nneething)
4492 (gnus-configure-windows 'summary)
4493 (gnus-configure-windows 'article))
4494 (gnus-set-global-variables))
4495 (let ((gnus-article-mime-handle-alist-1
4496 gnus-article-mime-handle-alist))
4497 (gnus-set-mode-line 'article)))
4498 ;; The result from the `request' was an actual article -
4499 ;; or at least some text that is now displayed in the
4501 (when (and (numberp article)
4502 (not (eq article gnus-current-article)))
4503 ;; Seems like a new article has been selected.
4504 ;; `gnus-current-article' must be an article number.
4505 (with-current-buffer summary-buffer
4506 (push article gnus-newsgroup-history)
4507 (setq gnus-last-article gnus-current-article
4508 gnus-current-article article
4509 gnus-current-headers
4510 (gnus-summary-article-header gnus-current-article)
4511 gnus-article-current
4512 (cons gnus-newsgroup-name gnus-current-article))
4513 (unless (vectorp gnus-current-headers)
4514 (setq gnus-current-headers nil))
4515 (gnus-summary-goto-subject gnus-current-article)
4516 (when (gnus-summary-show-thread)
4517 ;; If the summary buffer really was folded, the
4518 ;; previous goto may not actually have gone to
4519 ;; the right article, but the thread root instead.
4521 (gnus-summary-goto-subject gnus-current-article))
4522 (gnus-run-hooks 'gnus-mark-article-hook)
4523 (gnus-set-mode-line 'summary)
4524 (when (gnus-visual-p 'article-highlight 'highlight)
4525 (gnus-run-hooks 'gnus-visual-mark-article-hook))
4526 ;; Set the global newsgroup variables here.
4527 (gnus-set-global-variables)
4528 (setq gnus-have-all-headers
4529 (or all-headers gnus-show-all-headers))))
4531 (gnus-configure-windows 'article))
4532 (when (or (numberp article)
4534 (gnus-article-prepare-display)
4536 (goto-char (point-min))
4537 (when gnus-break-pages
4538 (gnus-narrow-to-page)))
4539 (let ((gnus-article-mime-handle-alist-1
4540 gnus-article-mime-handle-alist))
4541 (gnus-set-mode-line 'article))
4545 (set-window-point (get-buffer-window (current-buffer)) (point))
4546 (gnus-configure-windows 'article)
4550 (defun gnus-article-prepare-display ()
4551 "Make the current buffer look like a nice article."
4552 ;; Hooks for getting information from the article.
4553 ;; This hook must be called before being narrowed.
4554 (let ((gnus-article-buffer (current-buffer))
4556 (inhibit-read-only t))
4557 (unless (eq major-mode 'gnus-article-mode)
4558 (gnus-article-mode))
4559 (setq buffer-read-only nil
4560 gnus-article-wash-types nil
4561 gnus-article-image-alist nil)
4562 (gnus-run-hooks 'gnus-tmp-internal-hook)
4563 (when gnus-display-mime-function
4564 (funcall gnus-display-mime-function))
4565 (gnus-run-hooks 'gnus-article-prepare-hook)))
4568 ;;; Gnus Sticky Article Mode
4571 (define-derived-mode gnus-sticky-article-mode gnus-article-mode "StickyArticle"
4572 "Mode for sticky articles."
4573 ;; Release bindings that won't work.
4574 (substitute-key-definition 'gnus-article-read-summary-keys 'undefined
4575 gnus-sticky-article-mode-map)
4576 (substitute-key-definition 'gnus-article-refer-article 'undefined
4577 gnus-sticky-article-mode-map)
4578 (dolist (k '("e" "h" "s" "F" "R"))
4579 (define-key gnus-sticky-article-mode-map k nil))
4580 (define-key gnus-sticky-article-mode-map "k" 'gnus-kill-sticky-article-buffer)
4581 (define-key gnus-sticky-article-mode-map "q" 'bury-buffer)
4582 (define-key gnus-sticky-article-mode-map "\C-hc" 'describe-key-briefly)
4583 (define-key gnus-sticky-article-mode-map "\C-hk" 'describe-key))
4585 (defun gnus-sticky-article (arg)
4586 "Make the current article sticky.
4587 If a prefix ARG is given, ask for a name for this sticky article buffer."
4589 (gnus-summary-show-thread)
4590 (gnus-summary-select-article nil nil 'pseudo)
4591 (let (new-art-buf-name)
4592 (gnus-eval-in-buffer-window gnus-article-buffer
4593 (setq new-art-buf-name
4597 (read-from-minibuffer "Sticky article buffer name: ")
4598 (gnus-with-article-headers
4599 (gnus-article-goto-header "subject")
4600 (setq new-art-buf-name
4601 (buffer-substring-no-properties
4602 (line-beginning-position) (line-end-position)))
4603 (goto-char (point-min))
4604 (gnus-article-goto-header "from")
4605 (setq new-art-buf-name
4607 new-art-buf-name ", "
4608 (buffer-substring-no-properties
4609 (line-beginning-position) (line-end-position))))
4610 (goto-char (point-min))
4611 (gnus-article-goto-header "date")
4612 (setq new-art-buf-name
4614 new-art-buf-name ", "
4615 (buffer-substring-no-properties
4616 (line-beginning-position) (line-end-position))))))
4618 (if (and (gnus-buffer-live-p new-art-buf-name)
4619 (with-current-buffer new-art-buf-name
4620 (eq major-mode 'gnus-sticky-article-mode)))
4621 (switch-to-buffer new-art-buf-name)
4622 (setq new-art-buf-name (rename-buffer new-art-buf-name t)))
4623 (gnus-sticky-article-mode))
4624 (setq gnus-article-buffer new-art-buf-name))
4625 (gnus-summary-recenter)
4626 (gnus-summary-position-point))
4628 (defun gnus-kill-sticky-article-buffer (&optional buffer)
4629 "Kill the given sticky article BUFFER.
4630 If none is given, assume the current buffer and kill it if it has
4631 `gnus-sticky-article-mode'."
4634 (setq buffer (current-buffer)))
4635 (with-current-buffer buffer
4636 (when (eq major-mode 'gnus-sticky-article-mode)
4637 (gnus-kill-buffer buffer))))
4639 (defun gnus-kill-sticky-article-buffers (arg)
4640 "Kill all sticky article buffers.
4641 If a prefix ARG is given, ask for confirmation."
4643 (dolist (buf (gnus-buffers))
4644 (with-current-buffer buf
4645 (when (eq major-mode 'gnus-sticky-article-mode)
4647 (gnus-kill-buffer buf)
4648 (when (yes-or-no-p (concat "Kill buffer " (buffer-name buf) "? "))
4649 (gnus-kill-buffer buf)))))))
4652 ;;; Gnus MIME viewing functions
4655 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
4656 "Format of the MIME buttons.
4658 Valid specifiers include:
4660 %T MIME type, along with additional info
4661 %n The `name' parameter
4662 %d The description, if any
4663 %l The length of the encoded part
4664 %p The part identifier number
4665 %e Dots if the part isn't displayed
4667 General format specifiers can also be used. See Info node
4668 `(gnus)Formatting Variables'.")
4670 (defvar gnus-mime-button-line-format-alist
4671 '((?t gnus-tmp-type ?s)
4672 (?T gnus-tmp-type-long ?s)
4673 (?n gnus-tmp-name ?s)
4674 (?d gnus-tmp-description ?s)
4676 (?l gnus-tmp-length ?d)
4677 (?e gnus-tmp-dots ?s)))
4679 (defvar gnus-mime-button-commands
4680 '((gnus-article-press-button "\r" "Toggle Display")
4681 (gnus-mime-view-part "v" "View Interactively...")
4682 (gnus-mime-view-part-as-type "t" "View As Type...")
4683 (gnus-mime-view-part-as-charset "C" "View As charset...")
4684 (gnus-mime-save-part "o" "Save...")
4685 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4686 (gnus-mime-replace-part "r" "Replace part")
4687 (gnus-mime-delete-part "d" "Delete part")
4688 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4689 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4690 (gnus-mime-view-part-internally "E" "View Internally") ;; Why `E'?
4691 (gnus-mime-view-part-externally "e" "View Externally")
4692 (gnus-mime-print-part "p" "Print")
4693 (gnus-mime-pipe-part "|" "Pipe To Command...")
4694 (gnus-mime-action-on-part "." "Take action on the part...")))
4696 (defun gnus-article-mime-part-status ()
4697 (if gnus-article-mime-handle-alist-1
4698 (if (eq 1 (length gnus-article-mime-handle-alist-1))
4700 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
4703 (defvar gnus-mime-button-map
4704 (let ((map (make-sparse-keymap)))
4705 (define-key map gnus-mouse-2 'gnus-article-push-button)
4706 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4707 (dolist (c gnus-mime-button-commands)
4708 (define-key map (cadr c) (car c)))
4712 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4714 ,@(mapcar (lambda (c)
4715 (vector (caddr c) (car c) :active t))
4716 gnus-mime-button-commands)))
4718 (defun gnus-mime-button-menu (event prefix)
4719 "Construct a context-sensitive menu of MIME commands."
4720 (interactive "e\nP")
4721 (save-window-excursion
4722 (let ((pos (event-start event)))
4723 (select-window (posn-window pos))
4724 (goto-char (posn-point pos))
4725 (gnus-article-check-buffer)
4726 (popup-menu gnus-mime-button-menu nil prefix))))
4728 (defun gnus-mime-view-all-parts (&optional handles)
4729 "View all the MIME parts."
4731 (with-current-buffer gnus-article-buffer
4732 (let ((handles (or handles gnus-article-mime-handles))
4733 (mail-parse-charset gnus-newsgroup-charset)
4734 (mail-parse-ignored-charsets
4735 (with-current-buffer gnus-summary-buffer
4736 gnus-newsgroup-ignored-charsets)))
4738 (mm-remove-parts handles)
4739 (goto-char (point-min))
4740 (or (search-forward "\n\n") (goto-char (point-max)))
4741 (let ((inhibit-read-only t))
4742 (delete-region (point) (point-max))
4743 (mm-display-parts handles))))))
4745 (defun gnus-article-jump-to-part (n)
4746 "Jump to MIME part N."
4748 (pop-to-buffer gnus-article-buffer)
4749 ;; FIXME: why is it necessary?
4751 (let ((parts (length gnus-article-mime-handle-alist)))
4754 (read-string ;; Emacs 21 doesn't have `read-number'.
4755 (format "Jump to part (2..%s): " parts)))))
4756 (unless (and (integerp n) (<= n parts) (>= n 1))
4759 (gnus-message 7 "Invalid part `%s', using %s instead."
4762 (gnus-message 9 "Jumping to part %s." n)
4763 (cond ((>= gnus-auto-select-part 1)
4764 (while (and (<= n parts)
4765 (not (gnus-article-goto-part n)))
4767 ((< gnus-auto-select-part 0)
4768 (while (and (>= n 1)
4769 (not (gnus-article-goto-part n)))
4772 (gnus-article-goto-part n)))))
4775 (defsubst gnus-article-edit-part (handles &optional current-id)
4776 "Edit an article in order to delete a mime part.
4777 This function is exclusively used by `gnus-mime-save-part-and-strip'
4778 and `gnus-mime-delete-part', and not provided at run-time normally."
4779 (gnus-article-edit-article
4781 (buffer-disable-undo)
4783 (let ((mail-parse-charset (or gnus-article-charset
4784 ',gnus-newsgroup-charset))
4785 (mail-parse-ignored-charsets
4786 (or gnus-article-ignored-charsets
4787 ',gnus-newsgroup-ignored-charsets))
4788 (mbl mml-buffer-list))
4789 (setq mml-buffer-list nil)
4790 (insert-buffer-substring gnus-original-article-buffer)
4791 (mime-to-mml ',handles)
4792 (setq gnus-article-mime-handles nil)
4793 (let ((mbl1 mml-buffer-list))
4794 (setq mml-buffer-list mbl)
4795 (set (make-local-variable 'mml-buffer-list) mbl1))
4796 (gnus-make-local-hook 'kill-buffer-hook)
4797 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4798 `(lambda (no-highlight)
4799 (let ((mail-parse-charset (or gnus-article-charset
4800 ',gnus-newsgroup-charset))
4801 (message-options message-options)
4802 (message-options-set-recipient)
4803 (mail-parse-ignored-charsets
4804 (or gnus-article-ignored-charsets
4805 ',gnus-newsgroup-ignored-charsets)))
4807 (mml-destroy-buffers)
4808 (remove-hook 'kill-buffer-hook
4809 'mml-destroy-buffers t)
4810 (kill-local-variable 'mml-buffer-list))
4811 (gnus-summary-edit-article-done
4812 ,(or (mail-header-references gnus-current-headers) "")
4813 ,(gnus-group-read-only-p)
4814 ,gnus-summary-buffer no-highlight))
4816 (gnus-article-edit-done)
4817 (gnus-summary-expand-window)
4818 (gnus-summary-show-article)
4819 (when (and current-id (integerp gnus-auto-select-part))
4820 (gnus-article-jump-to-part
4821 (if (text-property-any (point-min) (point-max)
4822 'gnus-part (+ current-id gnus-auto-select-part))
4823 (+ current-id gnus-auto-select-part)
4824 (with-current-buffer gnus-article-buffer
4825 (length gnus-article-mime-handle-alist)))))))
4827 (defun gnus-mime-replace-part (file)
4828 "Replace MIME part under point with an external body."
4829 ;; Useful if file has already been saved to disk
4832 (read-file-name "Replace MIME part with file: "
4833 (or mm-default-directory default-directory)
4835 (gnus-mime-save-part-and-strip file))
4837 (defun gnus-mime-save-part-and-strip (&optional file)
4838 "Save the MIME part under point then replace it with an external body.
4839 If FILE is given, use it for the external part."
4841 (gnus-article-check-buffer)
4842 (when (gnus-group-read-only-p)
4843 (error "The current group does not support deleting of parts"))
4844 (when (mm-complicated-handles gnus-article-mime-handles)
4846 The current article has a complicated MIME structure, giving up..."))
4847 (let* ((data (get-text-property (point) 'gnus-data))
4848 (id (get-text-property (point) 'gnus-part))
4850 (handles gnus-article-mime-handles))
4853 (and data (mm-save-part data "Delete MIME part and save to: "))))
4855 (with-current-buffer (mm-handle-buffer data)
4857 (insert "Content-Type: " (mm-handle-media-type data))
4858 (mml-insert-parameter-string (cdr (mm-handle-type data))
4860 ;; Add a filename for the sake of saving the part again.
4861 (mml-insert-parameter
4862 (mail-header-encode-parameter "name" (file-name-nondirectory file)))
4864 (insert "Content-ID: " (message-make-message-id) "\n")
4865 (insert "Content-Transfer-Encoding: binary\n")
4868 (cdr (mm-make-handle nil
4869 `("message/external-body"
4870 (access-type . "LOCAL-FILE")
4872 ;; (set-buffer gnus-summary-buffer)
4873 (gnus-article-edit-part handles id))))
4875 ;; A function like `gnus-summary-save-parts' (`X m', `<MIME> <Extract all
4876 ;; parts...>') but with stripping would be nice.
4878 (defun gnus-mime-delete-part ()
4879 "Delete the MIME part under point.
4880 Replace it with some information about the removed part."
4882 (gnus-article-check-buffer)
4883 (when (gnus-group-read-only-p)
4884 (error "The current group does not support deleting of parts"))
4885 (when (mm-complicated-handles gnus-article-mime-handles)
4887 The current article has a complicated MIME structure, giving up..."))
4888 (when (or gnus-expert-user
4889 (gnus-yes-or-no-p "\
4890 Deleting parts may malfunction or destroy the article; continue? "))
4891 (let* ((data (get-text-property (point) 'gnus-data))
4892 (id (get-text-property (point) 'gnus-part))
4893 (handles gnus-article-mime-handles)
4896 (let ((desc (mm-handle-description data)))
4898 (mail-decode-encoded-word-string desc))))
4900 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4902 (type (mm-handle-media-type data)))
4904 (error "No MIME part under point"))
4905 (with-current-buffer (mm-handle-buffer data)
4906 (let ((bsize (format "%s" (buffer-size))))
4911 "| The following attachment has been deleted:\n"
4913 "| Type: " type "\n"
4914 "| Filename: " filename "\n"
4915 "| Size (encoded): " bsize " Byte\n"
4917 (concat "| Description: " description "\n"))
4920 (cdr (mm-make-handle
4921 nil `("text/plain") nil nil
4923 (format "Deleted attachment (%s bytes)" bsize))))))
4924 ;; (set-buffer gnus-summary-buffer)
4925 (gnus-article-edit-part handles id))))
4927 (defun gnus-mime-save-part ()
4928 "Save the MIME part under point."
4930 (gnus-article-check-buffer)
4931 (let ((data (get-text-property (point) 'gnus-data)))
4933 (mm-save-part data))))
4935 (defun gnus-mime-pipe-part ()
4936 "Pipe the MIME part under point to a process."
4938 (gnus-article-check-buffer)
4939 (let ((data (get-text-property (point) 'gnus-data)))
4941 (mm-pipe-part data))))
4943 (defun gnus-mime-view-part ()
4944 "Interactively choose a viewing method for the MIME part under point."
4946 (gnus-article-check-buffer)
4947 (let ((data (get-text-property (point) 'gnus-data)))
4949 (setq gnus-article-mime-handles
4951 gnus-article-mime-handles (setq data (copy-sequence data))))
4952 (mm-interactively-view-part data))))
4954 (defun gnus-mime-view-part-as-type-internal ()
4955 (gnus-article-check-buffer)
4956 (let* ((handle (get-text-property (point) 'gnus-data))
4958 ;; Content-Type: foo/bar; name=...
4959 (mail-content-type-get (mm-handle-type handle) 'name)
4960 ;; Content-Disposition: attachment; filename=...
4961 (cdr (assq 'filename (cdr (mm-handle-disposition handle))))))
4962 (def-type (and name (mm-default-file-encoding name))))
4963 (or (and def-type (cons def-type 0))
4965 (equal (mm-handle-media-supertype handle) "text")
4966 '("text/plain" . 0))
4967 '("application/octet-stream" . 0))))
4969 (defun gnus-mime-view-part-as-type (&optional mime-type pred)
4970 "Choose a MIME media type, and view the part as such.
4971 If non-nil, PRED is a predicate to use during completion to limit the
4972 available media-types."
4976 (let ((default (gnus-mime-view-part-as-type-internal)))
4978 (format "View as MIME type (default %s): "
4980 (mapcar #'list (mailcap-mime-types))
4983 (gnus-article-check-buffer)
4984 (let ((handle (get-text-property (point) 'gnus-data)))
4986 (when (equal (mm-handle-media-type handle) "message/external-body")
4987 (unless (mm-handle-cache handle)
4988 (mm-extern-cache-contents handle))
4989 (setq handle (mm-handle-cache handle)))
4991 (mm-make-handle (mm-handle-buffer handle)
4992 (cons mime-type (cdr (mm-handle-type handle)))
4993 (mm-handle-encoding handle)
4994 (mm-handle-undisplayer handle)
4995 (mm-handle-disposition handle)
4996 (mm-handle-description handle)
4998 (mm-handle-id handle)))
4999 (setq gnus-article-mime-handles
5000 (mm-merge-handles gnus-article-mime-handles handle))
5001 (when (mm-handle-displayed-p handle)
5002 (mm-remove-part handle))
5003 (gnus-mm-display-part handle))))
5005 (defun gnus-mime-copy-part (&optional handle arg)
5006 "Put the MIME part under point into a new buffer.
5007 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
5009 (interactive (list nil current-prefix-arg))
5010 (gnus-article-check-buffer)
5012 (setq handle (get-text-property (point) 'gnus-data)))
5014 (let ((filename (or (mail-content-type-get (mm-handle-type handle)
5016 (mail-content-type-get (mm-handle-disposition handle)
5018 contents dont-decode charset coding-system)
5019 (mm-with-unibyte-buffer
5020 (mm-insert-part handle)
5021 (setq contents (or (condition-case nil
5022 (mm-decompress-buffer filename nil 'sig)
5024 (setq dont-decode t)
5027 (setq filename (cond (filename (file-name-nondirectory filename))
5028 (dont-decode "*raw data*")
5033 (unless (setq charset (mail-content-type-get
5034 (mm-handle-type handle) 'charset))
5035 (unless (setq coding-system (mm-with-unibyte-buffer
5037 (mm-find-buffer-file-coding-system)))
5038 (setq charset gnus-newsgroup-charset))))
5040 (setq charset (or (cdr (assq arg
5041 gnus-summary-show-article-charset-alist))
5042 (mm-read-coding-system "Charset: ")))))
5043 (switch-to-buffer (generate-new-buffer filename))
5044 (if (or coding-system
5046 (setq coding-system (mm-charset-to-coding-system charset))
5047 (not (eq charset 'ascii))))
5049 (mm-enable-multibyte)
5050 (insert (mm-decode-coding-string contents coding-system))
5051 (setq buffer-file-coding-system
5052 (if (boundp 'last-coding-system-used)
5053 (symbol-value 'last-coding-system-used)
5055 (mm-disable-multibyte)
5057 (setq buffer-file-coding-system mm-binary-coding-system))
5058 ;; We do it this way to make `normal-mode' set the appropriate mode.
5061 (setq buffer-file-name (expand-file-name filename))
5063 (setq buffer-file-name nil))
5064 (goto-char (point-min)))))
5066 (defun gnus-mime-print-part (&optional handle filename)
5067 "Print the MIME part under point."
5068 (interactive (list nil (ps-print-preprint current-prefix-arg)))
5069 (gnus-article-check-buffer)
5070 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
5071 (contents (and handle (mm-get-part handle)))
5072 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
5073 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
5078 (mm-save-part-to-file handle file)
5079 (call-process shell-file-name nil
5080 (generate-new-buffer " *mm*")
5082 shell-command-switch
5084 printer file (mm-handle-type handle))))
5088 (gnus-print-buffer))
5089 (ps-despool filename)))))
5091 (defun gnus-mime-inline-part (&optional handle arg)
5092 "Insert the MIME part under point into the current buffer.
5093 Compressed files like .gz and .bz2 are decompressed."
5094 (interactive (list nil current-prefix-arg))
5095 (gnus-article-check-buffer)
5097 (setq handle (get-text-property (point) 'gnus-data)))
5100 (inhibit-read-only t)
5101 contents charset coding-system)
5102 (if (and (not arg) (mm-handle-undisplayer handle))
5103 (mm-remove-part handle)
5104 (mm-with-unibyte-buffer
5105 (mm-insert-part handle)
5107 (or (mm-decompress-buffer
5108 (or (mail-content-type-get (mm-handle-type handle)
5110 (mail-content-type-get (mm-handle-disposition handle)
5116 (unless (setq charset (mail-content-type-get
5117 (mm-handle-type handle) 'charset))
5118 (unless (setq coding-system
5119 (mm-with-unibyte-buffer
5121 (mm-find-buffer-file-coding-system)))
5122 (setq charset gnus-newsgroup-charset))))
5124 (if (mm-handle-undisplayer handle)
5125 (mm-remove-part handle))
5128 gnus-summary-show-article-charset-alist))
5129 (mm-read-coding-system "Charset: "))))
5131 (if (mm-handle-undisplayer handle)
5132 (mm-remove-part handle))))
5136 (if (or coding-system
5139 (mm-charset-to-coding-system charset))
5140 (not (eq coding-system 'ascii))))
5141 (mm-decode-coding-string contents coding-system)
5142 (mm-string-to-multibyte contents)))
5145 (defun gnus-mime-strip-charset-parameters (handle)
5146 "Strip charset parameters from HANDLE."
5147 (if (stringp (car handle))
5148 (mapc #'gnus-mime-strip-charset-parameters (cdr handle))
5149 (let* ((type (mm-handle-type (if (equal (mm-handle-media-type handle)
5150 "message/external-body")
5152 (unless (mm-handle-cache handle)
5153 (mm-extern-cache-contents handle))
5154 (mm-handle-cache handle))
5156 (charset (assq 'charset (cdr type))))
5158 (delq charset type)))))
5160 (defun gnus-mime-view-part-as-charset (&optional handle arg)
5161 "Insert the MIME part under point into the current buffer using the
5163 (interactive (list nil current-prefix-arg))
5164 (gnus-article-check-buffer)
5165 (let ((handle (or handle (get-text-property (point) 'gnus-data)))
5166 (fun (get-text-property (point) 'gnus-callback))
5167 (gnus-newsgroup-ignored-charsets 'gnus-all)
5168 gnus-newsgroup-charset form preferred parts)
5172 (setq gnus-newsgroup-charset
5175 gnus-summary-show-article-charset-alist))
5176 (mm-read-coding-system "Charset: "))))
5177 (if (mm-handle-undisplayer handle)
5178 (mm-remove-part handle)))
5179 (gnus-mime-strip-charset-parameters handle)
5180 (when (and (consp (setq form (cdr-safe fun)))
5181 (setq form (ignore-errors
5182 (assq 'gnus-mime-display-alternative form)))
5183 (setq preferred (caddr form))
5185 (when (eq (car preferred) 'quote)
5186 (setq preferred (cadr preferred)))
5187 (not (equal preferred
5188 (get-text-property (point) 'gnus-data))))
5189 (setq parts (get-text-property (point) 'gnus-part))
5190 (setq parts (cdr (assq parts
5191 gnus-article-mime-handle-alist)))
5192 (equal (mm-handle-media-type parts) "multipart/alternative")
5193 (setq parts (reverse (cdr parts))))
5195 (list 'quote (or (cadr (member preferred parts))
5197 (funcall fun handle)))))
5199 (defun gnus-mime-view-part-externally (&optional handle)
5200 "View the MIME part under point with an external viewer."
5202 (gnus-article-check-buffer)
5203 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
5204 (mm-user-display-methods nil)
5205 (mm-inlined-types nil)
5206 (mail-parse-charset gnus-newsgroup-charset)
5207 (mail-parse-ignored-charsets
5208 (with-current-buffer gnus-summary-buffer
5209 gnus-newsgroup-ignored-charsets))
5210 (type (mm-handle-media-type handle))
5211 (method (mailcap-mime-info type))
5212 (mm-enable-external t))
5213 (if (not (stringp method))
5214 (gnus-mime-view-part-as-type
5215 nil (lambda (types) (stringp (mailcap-mime-info (car types)))))
5217 (if (mm-handle-undisplayer handle)
5218 (mm-remove-part handle)
5219 (mm-display-part handle))))))
5221 (defun gnus-mime-view-part-internally (&optional handle)
5222 "View the MIME part under point with an internal viewer.
5223 If no internal viewer is available, use an external viewer."
5225 (gnus-article-check-buffer)
5226 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
5227 (mm-inlined-types '(".*"))
5228 (mm-inline-large-images t)
5229 (mail-parse-charset gnus-newsgroup-charset)
5230 (mail-parse-ignored-charsets
5231 (with-current-buffer gnus-summary-buffer
5232 gnus-newsgroup-ignored-charsets))
5233 (inhibit-read-only t))
5234 (if (not (mm-inlinable-p handle))
5235 (gnus-mime-view-part-as-type
5236 nil (lambda (types) (mm-inlinable-p handle (car types))))
5238 (if (mm-handle-undisplayer handle)
5239 (mm-remove-part handle)
5240 (mm-display-part handle))))))
5242 (defun gnus-mime-action-on-part (&optional action)
5243 "Do something with the MIME attachment at \(point\)."
5245 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
5246 (gnus-article-check-buffer)
5247 (let ((action-pair (assoc action gnus-mime-action-alist)))
5249 (funcall (cdr action-pair)))))
5251 (defun gnus-article-part-wrapper (n function &optional no-handle interactive)
5252 "Call FUNCTION on MIME part N.
5253 Unless NO-HANDLE, call FUNCTION with N-th MIME handle as it's only argument.
5254 If INTERACTIVE, call FUNCTION interactivly."
5256 ;; Check whether the article is displayed.
5257 (unless (and (gnus-buffer-live-p gnus-article-buffer)
5258 (setq window (get-buffer-window gnus-article-buffer t))
5259 (frame-visible-p (setq frame (window-frame window))))
5260 (error "No article is displayed"))
5261 (with-current-buffer gnus-article-buffer
5262 ;; Check whether the article displays the right contents.
5263 (unless (with-current-buffer gnus-summary-buffer
5264 (eq gnus-current-article (gnus-summary-article-number)))
5265 (error "You should select the right article first"))
5267 (setq n (prefix-numeric-value n))
5269 (setq n (or (get-text-property pt 'gnus-part)
5271 (get-text-property (1- pt) 'gnus-part))
5272 (get-text-property (prog2
5278 (or (and (setq pt (previous-single-property-change
5281 (next-single-property-change (point) 'gnus-part)
5285 ;; Check whether the specified part exists.
5286 (when (> n (length gnus-article-mime-handle-alist))
5287 (error "No such part")))
5290 ;; To select the window is needed so that the cursor
5291 ;; might be visible on the MIME button.
5292 (select-window (prog1
5294 (setq window (selected-window))
5295 ;; Article may be displayed in the other frame.
5296 (gnus-select-frame-set-input-focus
5299 (setq frame (selected-frame))))))
5300 (when (gnus-article-goto-part n)
5301 ;; We point the cursor and the arrow at the MIME button
5302 ;; when the `function' prompt the user for something.
5303 (let ((cursor-in-non-selected-windows t)
5304 (overlay-arrow-string "=>")
5305 (overlay-arrow-position (point-marker)))
5308 ((and no-handle interactive)
5309 (call-interactively function))
5315 (cdr (assq n gnus-article-mime-handle-alist))))
5318 (cdr (assq n gnus-article-mime-handle-alist)))))
5319 (set-marker overlay-arrow-position nil)
5320 (unless gnus-auto-select-part
5321 (gnus-select-frame-set-input-focus frame)
5322 (select-window window))))
5324 (if gnus-inhibit-mime-unbuttonizing
5325 ;; This is the default though the program shouldn't reach here.
5326 (error "No such part")
5327 ;; The part which doesn't have the MIME button is selected.
5328 ;; So, we display all the buttons and redo it.
5329 (let ((gnus-inhibit-mime-unbuttonizing t))
5330 (gnus-summary-show-article)
5331 (gnus-article-part-wrapper n function no-handle))))))
5333 (defun gnus-article-pipe-part (n)
5334 "Pipe MIME part N, which is the numerical prefix."
5336 (gnus-article-part-wrapper n 'mm-pipe-part))
5338 (defun gnus-article-save-part (n)
5339 "Save MIME part N, which is the numerical prefix."
5341 (gnus-article-part-wrapper n 'mm-save-part))
5343 (defun gnus-article-interactively-view-part (n)
5344 "View MIME part N interactively, which is the numerical prefix."
5346 (gnus-article-part-wrapper n 'mm-interactively-view-part))
5348 (defun gnus-article-copy-part (n)
5349 "Copy MIME part N, which is the numerical prefix."
5351 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
5353 (defun gnus-article-view-part-as-charset (n)
5354 "View MIME part N using a specified charset.
5355 N is the numerical prefix."
5357 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
5359 (defun gnus-article-view-part-externally (n)
5360 "View MIME part N externally, which is the numerical prefix."
5362 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
5364 (defun gnus-article-inline-part (n)
5365 "Inline MIME part N, which is the numerical prefix."
5367 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
5369 (defun gnus-article-save-part-and-strip (n)
5370 "Save MIME part N and replace it with an external body.
5371 N is the numerical prefix."
5373 (gnus-article-part-wrapper n 'gnus-mime-save-part-and-strip t))
5375 (defun gnus-article-replace-part (n)
5376 "Replace MIME part N with an external body.
5377 N is the numerical prefix."
5379 (gnus-article-part-wrapper n 'gnus-mime-replace-part t t))
5381 (defun gnus-article-delete-part (n)
5382 "Delete MIME part N and add some information about the removed part.
5383 N is the numerical prefix."
5385 (gnus-article-part-wrapper n 'gnus-mime-delete-part t))
5387 (defun gnus-article-view-part-as-type (n)
5388 "Choose a MIME media type, and view part N as such.
5389 N is the numerical prefix."
5391 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-type t))
5393 (defun gnus-article-mime-match-handle-first (condition)
5396 (dolist (ihandle gnus-article-mime-handle-alist)
5398 ((functionp condition)
5399 (funcall condition (cdr ihandle)))
5400 ((eq condition 'undisplayed)
5401 (not (or (mm-handle-undisplayer (cdr ihandle))
5402 (equal (mm-handle-media-type (cdr ihandle))
5403 "multipart/alternative"))))
5404 ((eq condition 'undisplayed-alternative)
5405 (not (mm-handle-undisplayer (cdr ihandle))))
5407 (gnus-article-goto-part (car ihandle))
5408 (or (not n) (< (car ihandle) n)))
5409 (setq n (car ihandle))))
5413 (defun gnus-article-view-part (&optional n)
5414 "View MIME part N, which is the numerical prefix."
5416 (with-current-buffer gnus-article-buffer
5417 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
5418 gnus-article-mime-match-handle-function)))
5419 (when (> n (length gnus-article-mime-handle-alist))
5420 (error "No such part"))
5421 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
5422 (when (gnus-article-goto-part n)
5423 (if (equal (car handle) "multipart/alternative")
5424 (gnus-article-press-button)
5425 (when (eq (gnus-mm-display-part handle) 'internal)
5426 (gnus-set-window-start)))))))
5428 (defsubst gnus-article-mime-total-parts ()
5429 (if (bufferp (car gnus-article-mime-handles))
5431 (1- (length gnus-article-mime-handles))))
5433 (defun gnus-mm-display-part (handle)
5434 "Display HANDLE and fix MIME button."
5435 (let ((id (get-text-property (point) 'gnus-part))
5437 (inhibit-read-only t))
5440 (let ((window (selected-window))
5441 (mail-parse-charset gnus-newsgroup-charset)
5442 (mail-parse-ignored-charsets
5443 (if (gnus-buffer-live-p gnus-summary-buffer)
5444 (with-current-buffer gnus-summary-buffer
5445 gnus-newsgroup-ignored-charsets)
5449 (let ((win (gnus-get-buffer-window (current-buffer) t))
5452 (select-window win))
5455 (if (mm-handle-displayed-p handle)
5456 ;; This will remove the part.
5457 (mm-display-part handle)
5459 (narrow-to-region (point)
5460 (if (eobp) (point) (1+ (point))))
5461 (mm-display-part handle)
5462 ;; We narrow to the part itself and
5463 ;; then call the treatment functions.
5464 (goto-char (point-min))
5466 (narrow-to-region (point) (point-max))
5469 (gnus-article-mime-total-parts)
5470 (mm-handle-media-type handle)))))
5471 (if (window-live-p window)
5472 (select-window window)))))
5475 (gnus-insert-mime-button
5476 handle id (list (mm-handle-displayed-p handle)))
5477 (goto-char point))))
5479 (defun gnus-article-goto-part (n)
5480 "Go to MIME part N."
5481 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
5483 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
5484 (let ((gnus-tmp-name
5485 (or (mail-content-type-get (mm-handle-type handle) 'name)
5486 (mail-content-type-get (mm-handle-disposition handle) 'filename)
5487 (mail-content-type-get (mm-handle-type handle) 'url)
5489 (gnus-tmp-type (mm-handle-media-type handle))
5490 (gnus-tmp-description (or (mm-handle-description handle) ""))
5492 (if (if displayed (car displayed)
5493 (mm-handle-displayed-p handle))
5495 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
5497 gnus-tmp-type-long b e)
5498 (when (string-match ".*/" gnus-tmp-name)
5499 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
5500 (setq gnus-tmp-type-long (concat gnus-tmp-type
5501 (and (not (equal gnus-tmp-name ""))
5502 (concat "; " gnus-tmp-name))))
5503 (unless (equal gnus-tmp-description "")
5504 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
5509 gnus-mime-button-line-format gnus-mime-button-line-format-alist
5510 `(keymap ,gnus-mime-button-map
5511 gnus-callback gnus-mm-display-part
5512 gnus-part ,gnus-tmp-id
5513 article-type annotation
5516 ;; Exclude a newline.
5519 (when gnus-article-button-face
5520 (gnus-overlay-put (gnus-make-overlay b e nil t)
5521 'face gnus-article-button-face))
5522 (widget-convert-button
5525 :action 'gnus-widget-press-button
5526 :button-keymap gnus-mime-button-map
5528 (lambda (widget/window &optional overlay pos)
5529 ;; Needed to properly clear the message due to a bug in
5530 ;; wid-edit (XEmacs only).
5531 (if (boundp 'help-echo-owns-message)
5532 (setq help-echo-owns-message t))
5534 "%S: %s the MIME part; %S: more options"
5535 (aref gnus-mouse-2 0)
5536 ;; XEmacs will get a single widget arg; Emacs 21 will get
5537 ;; window, overlay, position.
5538 (if (mm-handle-displayed-p
5540 (with-current-buffer (gnus-overlay-buffer overlay)
5541 (widget-get (widget-at (gnus-overlay-start overlay))
5543 (widget-get widget/window :mime-handle)))
5545 (aref gnus-down-mouse-3 0))))))
5547 (defun gnus-widget-press-button (elems el)
5548 (goto-char (widget-get elems :from))
5549 (gnus-article-press-button))
5551 (defvar gnus-displaying-mime nil)
5553 (defun gnus-display-mime (&optional ihandles)
5554 "Display the MIME parts."
5556 (save-selected-window
5557 (let ((window (get-buffer-window gnus-article-buffer))
5560 (select-window window)
5561 ;; We have to do this since selecting the window
5562 ;; may change the point. So we set the window point.
5563 (set-window-point window point)))
5564 (let ((handles ihandles)
5565 (inhibit-read-only t)
5568 ((setq handles (mm-dissect-buffer nil gnus-article-loose-mime))
5569 (when gnus-article-emulate-mime
5570 (mm-uu-dissect-text-parts handles)))
5571 (gnus-article-emulate-mime
5572 (setq handles (mm-uu-dissect))))
5573 (when (and (not ihandles)
5574 (not gnus-displaying-mime))
5575 ;; Top-level call; we clean up.
5576 (when gnus-article-mime-handles
5577 (mm-destroy-parts gnus-article-mime-handles)
5578 (setq gnus-article-mime-handle-alist nil));; A trick.
5579 (setq gnus-article-mime-handles handles)
5580 ;; We allow users to glean info from the handles.
5581 (when gnus-article-mime-part-function
5582 (gnus-mime-part-function handles)))
5584 (or (not (stringp (car handles)))
5587 (when (and (not ihandles)
5588 (not gnus-displaying-mime))
5589 ;; Clean up for mime parts.
5591 (delete-region (point) (point-max)))
5592 (let ((gnus-displaying-mime t))
5593 (gnus-mime-display-part handles)))
5596 (narrow-to-region (point) (point-max))
5597 (gnus-treat-article nil 1 1)
5600 ;; Highlight the headers.
5604 (narrow-to-region (point-min) (point))
5605 (gnus-article-save-original-date
5606 (gnus-treat-article 'head)))))))
5607 ;; Cope with broken MIME messages.
5608 (goto-char (point-max))
5612 (defcustom gnus-mime-display-multipart-as-mixed nil
5613 "Display \"multipart\" parts as \"multipart/mixed\".
5615 If t, it overrides nil values of
5616 `gnus-mime-display-multipart-alternative-as-mixed' and
5617 `gnus-mime-display-multipart-related-as-mixed'."
5618 :group 'gnus-article-mime
5621 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
5622 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
5624 :group 'gnus-article-mime
5627 (defcustom gnus-mime-display-multipart-related-as-mixed nil
5628 "Display \"multipart/related\" parts as \"multipart/mixed\".
5630 If displaying \"text/html\" is discouraged \(see
5631 `mm-discouraged-alternatives'\) images or other material inside a
5632 \"multipart/related\" part might be overlooked when this variable is nil."
5634 :group 'gnus-article-mime
5637 (defun gnus-mime-display-part (handle)
5639 ;; Maybe a broken MIME message.
5642 ((not (stringp (car handle)))
5643 (gnus-mime-display-single handle))
5644 ;; User-defined multipart
5645 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
5646 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
5648 ;; multipart/alternative
5649 ((and (equal (car handle) "multipart/alternative")
5650 (not (or gnus-mime-display-multipart-as-mixed
5651 gnus-mime-display-multipart-alternative-as-mixed)))
5652 (let ((id (1+ (length gnus-article-mime-handle-alist))))
5653 (push (cons id handle) gnus-article-mime-handle-alist)
5654 (gnus-mime-display-alternative (cdr handle) nil nil id)))
5655 ;; multipart/related
5656 ((and (equal (car handle) "multipart/related")
5657 (not (or gnus-mime-display-multipart-as-mixed
5658 gnus-mime-display-multipart-related-as-mixed)))
5659 ;;;!!!We should find the start part, but we just default
5660 ;;;!!!to the first part.
5661 ;;(gnus-mime-display-part (cadr handle))
5662 ;;;!!! Most multipart/related is an HTML message plus images.
5663 ;;;!!! Unfortunately we are unable to let W3 display those
5664 ;;;!!! included images, so we just display it as a mixed multipart.
5665 ;;(gnus-mime-display-mixed (cdr handle))
5666 ;;;!!! No, w3 can display everything just fine.
5667 (gnus-mime-display-part (cadr handle)))
5668 ((equal (car handle) "multipart/signed")
5669 (gnus-add-wash-type 'signed)
5670 (gnus-mime-display-security handle))
5671 ((equal (car handle) "multipart/encrypted")
5672 (gnus-add-wash-type 'encrypted)
5673 (gnus-mime-display-security handle))
5674 ;; Other multiparts are handled like multipart/mixed.
5676 (gnus-mime-display-mixed (cdr handle)))))
5678 (defun gnus-mime-part-function (handles)
5679 (if (stringp (car handles))
5680 (mapcar 'gnus-mime-part-function (cdr handles))
5681 (funcall gnus-article-mime-part-function handles)))
5683 (defun gnus-mime-display-mixed (handles)
5684 (mapcar 'gnus-mime-display-part handles))
5686 (defun gnus-mime-display-single (handle)
5687 (let ((type (mm-handle-media-type handle))
5688 (ignored gnus-ignored-mime-types)
5695 (when (string-match (pop ignored) type)
5696 (throw 'ignored nil)))
5697 (if (and (setq not-attachment
5698 (and (not (mm-inline-override-p handle))
5699 (or (not (mm-handle-disposition handle))
5700 (equal (car (mm-handle-disposition handle))
5702 (mm-attachment-override-p handle))))
5703 (mm-automatic-display-p handle)
5705 (mm-inlinable-p handle)
5706 (mm-inlined-p handle))
5707 (mm-automatic-external-display-p type)))
5709 (when (equal (mm-handle-media-supertype handle) "text")
5711 (let ((id (1+ (length gnus-article-mime-handle-alist)))
5713 (push (cons id handle) gnus-article-mime-handle-alist)
5715 (equal (mm-handle-media-supertype handle) "message"))
5718 (cond ((not (bolp)) 2)
5719 ((or (bobp) (eq (char-before (1- (point))) ?\n)) 0)
5721 (when (or (not display)
5722 (not (gnus-unbuttonized-mime-type-p type)))
5723 (gnus-insert-mime-button
5724 handle id (list (or display (and not-attachment text))))
5725 (gnus-article-insert-newline)
5726 ;; Remember modify the number of forward lines.
5734 (let ((mail-parse-charset gnus-newsgroup-charset)
5735 (mail-parse-ignored-charsets
5736 (save-excursion (condition-case ()
5737 (set-buffer gnus-summary-buffer)
5739 gnus-newsgroup-ignored-charsets)))
5740 (mm-display-part handle t))
5741 (goto-char (point-max)))
5742 ((and text not-attachment)
5746 (gnus-article-insert-newline)
5749 (let ((charset (or (mail-content-type-get (mm-handle-type handle)
5751 (and (equal type "text/calendar") 'utf-8))))
5752 (cond ((not charset)
5753 (mm-string-as-multibyte (mm-get-part handle)))
5754 ((eq charset 'gnus-decoded)
5755 (with-current-buffer (mm-handle-buffer handle)
5758 (mm-decode-string (mm-get-part handle) charset)))))
5759 (goto-char (point-max))))
5763 (narrow-to-region beg (point))
5764 (if (eq handle gnus-article-mime-handles)
5765 ;; The format=flowed case.
5766 (gnus-treat-article nil 1 1 (mm-handle-media-type handle))
5767 ;; Don't count signature parts that are never displayed.
5768 ;; The part number should be re-calculated supposing this
5769 ;; might be a message/rfc822 part.
5771 (dolist (part gnus-article-mime-handles)
5772 (unless (or (stringp part)
5773 (equal (car (mm-handle-type part))
5774 "application/pgp-signature"))
5775 (push part handles)))
5777 nil (length (memq handle handles)) (length handles)
5778 (mm-handle-media-type handle)))))))))))
5780 (defun gnus-unbuttonized-mime-type-p (type)
5781 "Say whether TYPE is to be unbuttonized."
5782 (unless gnus-inhibit-mime-unbuttonizing
5784 (let ((types gnus-unbuttonized-mime-types))
5786 (when (string-match (pop types) type)
5787 (throw 'found t)))))
5789 (let ((types gnus-buttonized-mime-types))
5791 (when (string-match (pop types) type)
5792 (throw 'found t)))))))))
5794 (defun gnus-article-insert-newline ()
5795 "Insert a newline, but mark it as undeletable."
5796 (gnus-put-text-property
5797 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
5799 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
5800 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
5803 handle (inhibit-read-only t) from props begend not-pref)
5804 (save-window-excursion
5807 (narrow-to-region (car ibegend)
5810 (goto-char (car ibegend))
5813 (delete-region (point-min) (point-max))
5814 (mm-remove-parts handles))
5815 (setq begend (list (point-marker)))
5817 (unless (setq not-pref (cadr (member preferred ihandles)))
5818 (setq not-pref (car ihandles)))
5821 (not (gnus-unbuttonized-mime-type-p
5822 "multipart/alternative")))
5823 (gnus-add-text-properties
5826 (insert (format "%d. " id))
5830 (unless ,(not ibegend)
5831 (setq gnus-article-mime-handle-alist
5832 ',gnus-article-mime-handle-alist))
5833 (gnus-mime-display-alternative
5834 ',ihandles ',not-pref ',begend ,id))
5835 keymap ,gnus-mime-button-map
5836 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5837 face ,gnus-article-button-face
5839 article-type multipart))
5840 (widget-convert-button 'link from (point)
5841 :action 'gnus-widget-press-button
5842 :button-keymap gnus-widget-button-keymap)
5844 (while (setq handle (pop handles))
5845 (gnus-add-text-properties
5848 (insert (format "(%c) %-18s"
5849 (if (equal handle preferred) ?* ? )
5850 (mm-handle-media-type handle)))
5854 (unless ,(not ibegend)
5855 (setq gnus-article-mime-handle-alist
5856 ',gnus-article-mime-handle-alist))
5857 (gnus-mime-display-alternative
5858 ',ihandles ',handle ',begend ,id))
5859 keymap ,gnus-mime-button-map
5860 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5861 face ,gnus-article-button-face
5864 (widget-convert-button 'link from (point)
5865 :action 'gnus-widget-press-button
5866 :button-keymap gnus-widget-button-keymap)
5870 (if (stringp (car preferred))
5871 (gnus-display-mime preferred)
5872 (let ((mail-parse-charset gnus-newsgroup-charset)
5873 (mail-parse-ignored-charsets
5874 (with-current-buffer gnus-summary-buffer
5875 gnus-newsgroup-ignored-charsets)))
5876 (mm-display-part preferred)
5880 (narrow-to-region (car begend) (point-max))
5882 nil (length gnus-article-mime-handle-alist)
5883 (gnus-article-mime-total-parts)
5884 (mm-handle-media-type handle))))))
5885 (goto-char (point-max))
5886 (setcdr begend (point-marker)))))
5888 (goto-char point))))
5890 (defconst gnus-article-wash-status-strings
5891 (let ((alist '((cite "c" "Possible hidden citation text"
5892 " " "All citation text visible")
5893 (headers "h" "Hidden headers"
5894 " " "All headers visible.")
5895 (pgp "p" "Encrypted or signed message status hidden"
5896 " " "No hidden encryption nor digital signature status")
5897 (signature "s" "Signature has been hidden"
5898 " " "Signature is visible")
5899 (overstrike "o" "Overstrike (^H) characters applied"
5900 " " "No overstrike characters applied")
5901 (emphasis "e" "/*_Emphasis_*/ characters applied"
5902 " " "No /*_emphasis_*/ characters applied")))
5904 (dolist (entry alist result)
5905 (let ((key (nth 0 entry))
5906 (on (copy-sequence (nth 1 entry)))
5907 (on-help (nth 2 entry))
5908 (off (copy-sequence (nth 3 entry)))
5909 (off-help (nth 4 entry)))
5910 (put-text-property 0 1 'help-echo on-help on)
5911 (put-text-property 0 1 'help-echo off-help off)
5912 (push (list key on off) result))))
5913 "Alist of strings describing wash status in the mode line.
5914 Each entry has the form (KEY ON OF), where the KEY is a symbol
5915 representing the particular washing function, ON is the string to use
5916 in the article mode line when the washing function is active, and OFF
5917 is the string to use when it is inactive.")
5919 (defun gnus-article-wash-status-entry (key value)
5920 (let ((entry (assoc key gnus-article-wash-status-strings)))
5921 (if value (nth 1 entry) (nth 2 entry))))
5923 (defun gnus-article-wash-status ()
5924 "Return a string which display status of article washing."
5925 (with-current-buffer gnus-article-buffer
5926 (let ((cite (memq 'cite gnus-article-wash-types))
5927 (headers (memq 'headers gnus-article-wash-types))
5928 (boring (memq 'boring-headers gnus-article-wash-types))
5929 (pgp (memq 'pgp gnus-article-wash-types))
5930 (pem (memq 'pem gnus-article-wash-types))
5931 (signed (memq 'signed gnus-article-wash-types))
5932 (encrypted (memq 'encrypted gnus-article-wash-types))
5933 (signature (memq 'signature gnus-article-wash-types))
5934 (overstrike (memq 'overstrike gnus-article-wash-types))
5935 (emphasis (memq 'emphasis gnus-article-wash-types)))
5937 (gnus-article-wash-status-entry 'cite cite)
5938 (gnus-article-wash-status-entry 'headers (or headers boring))
5939 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
5940 (gnus-article-wash-status-entry 'signature signature)
5941 (gnus-article-wash-status-entry 'overstrike overstrike)
5942 (gnus-article-wash-status-entry 'emphasis emphasis)))))
5944 (defun gnus-add-wash-type (type)
5945 "Add a washing of TYPE to the current status."
5946 (add-to-list 'gnus-article-wash-types type))
5948 (defun gnus-delete-wash-type (type)
5949 "Add a washing of TYPE to the current status."
5950 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
5952 (defun gnus-add-image (category image)
5953 "Add IMAGE of CATEGORY to the list of displayed images."
5954 (let ((entry (assq category gnus-article-image-alist)))
5956 (setq entry (list category))
5957 (push entry gnus-article-image-alist))
5958 (nconc entry (list image))))
5960 (defun gnus-delete-images (category)
5961 "Delete all images in CATEGORY."
5962 (let ((entry (assq category gnus-article-image-alist)))
5963 (dolist (image (cdr entry))
5964 (gnus-remove-image image category))
5965 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
5966 (gnus-delete-wash-type category)))
5968 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
5970 (defun gnus-article-maybe-hide-headers ()
5971 "Hide unwanted headers if `gnus-have-all-headers' is nil.
5972 Provided for backwards compatibility."
5973 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
5974 (not (with-current-buffer gnus-summary-buffer
5975 gnus-have-all-headers)))
5976 (not gnus-inhibit-hiding))
5977 (gnus-article-hide-headers)))
5981 (defun gnus-output-to-file (file-name)
5982 "Append the current article to a file named FILE-NAME.
5983 If `gnus-article-save-coding-system' is non-nil, it is used to encode
5984 text and used as the value of the coding cookie which is added to the
5985 top of a file. Otherwise, this function saves a raw article without
5987 (let* ((artbuf (current-buffer))
5988 (file-name-coding-system nnmail-pathname-coding-system)
5989 (coding gnus-article-save-coding-system)
5990 (coding-system-for-read (if coding
5991 nil ;; Rely on the coding cookie.
5992 mm-text-coding-system))
5993 (coding-system-for-write (or coding
5994 mm-text-coding-system-for-write
5995 mm-text-coding-system))
5996 (exists (file-exists-p file-name)))
5999 (insert-file-contents file-name)
6000 (goto-char (point-min))
6001 ;; Remove the existing coding cookie.
6002 (when (looking-at "X-Gnus-Coding-System: .+\n\n")
6003 (delete-region (match-beginning 0) (match-end 0))))
6004 (goto-char (point-max))
6005 (insert-buffer-substring artbuf)
6006 ;; Append newline at end of the buffer as separator, and then
6008 (goto-char (point-max))
6011 ;; If the coding system is not suitable to encode the text,
6012 ;; ask a user for a proper one.
6013 (when (fboundp 'select-safe-coding-system)
6014 (setq coding (coding-system-base
6015 (save-window-excursion
6016 (select-safe-coding-system (point-min) (point-max)
6018 (setq coding-system-for-write
6019 (or (cdr (assq coding '((mule-utf-8 . utf-8))))
6021 (goto-char (point-min))
6022 ;; Add the coding cookie.
6023 (insert (format "X-Gnus-Coding-System: -*- coding: %s; -*-\n\n"
6024 coding-system-for-write)))
6027 (write-region (point-min) (point-max) file-name nil 'no-message)
6028 (message "Appended to %s" file-name))
6029 (write-region (point-min) (point-max) file-name))))
6032 (defun gnus-narrow-to-page (&optional arg)
6033 "Narrow the article buffer to a page.
6034 If given a numerical ARG, move forward ARG pages."
6036 (setq arg (if arg (prefix-numeric-value arg) 0))
6037 (with-current-buffer gnus-article-buffer
6039 ;; Remove any old next/prev buttons.
6040 (when (gnus-visual-p 'page-marker)
6041 (let ((inhibit-read-only t))
6042 (gnus-remove-text-with-property 'gnus-prev)
6043 (gnus-remove-text-with-property 'gnus-next)))
6045 (when (save-excursion
6047 (if (re-search-backward page-delimiter nil 'move (abs arg))
6049 (setq nd (match-beginning 0)
6051 (when (re-search-backward page-delimiter nil t)
6052 (setq st (match-end 0))))
6053 (when (re-search-forward page-delimiter nil t)
6054 (setq nd (match-beginning 0)
6057 (if (re-search-forward page-delimiter nil 'move arg)
6059 (setq st (match-end 0)
6061 (when (re-search-forward page-delimiter nil t)
6062 (setq nd (match-beginning 0))))
6063 (when (re-search-backward page-delimiter nil t)
6064 (setq st (match-end 0)
6067 (when (re-search-backward page-delimiter nil t)
6068 (goto-char (setq st (match-end 0))))
6069 (when (re-search-forward page-delimiter nil t)
6070 (setq nd (match-beginning 0)))
6072 (setq gnus-page-broken t)
6073 (when pt (goto-char pt))
6074 (narrow-to-region (or st (point-min)) (or nd (point-max)))
6075 (when (gnus-visual-p 'page-marker)
6079 (gnus-insert-next-page-button))
6082 (gnus-insert-prev-page-button))))))))
6084 ;; Article mode commands
6086 (defun gnus-article-goto-next-page ()
6087 "Show the next page of the article."
6089 (when (gnus-article-next-page)
6090 (goto-char (point-min))
6091 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
6094 (defun gnus-article-goto-prev-page ()
6095 "Show the previous page of the article."
6097 (if (save-restriction (widen) (bobp)) ;; Real beginning-of-buffer?
6098 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
6099 (gnus-article-prev-page nil)))
6101 ;; This is cleaner but currently breaks `gnus-pick-mode':
6103 ;; (defun gnus-article-goto-next-page ()
6104 ;; "Show the next page of the article."
6106 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
6107 ;; (gnus-summary-next-page)))
6109 ;; (defun gnus-article-goto-prev-page ()
6110 ;; "Show the next page of the article."
6112 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
6113 ;; (gnus-summary-prev-page)))
6115 (defun gnus-article-next-page (&optional lines)
6116 "Show the next page of the current article.
6117 If end of article, return non-nil. Otherwise return nil.
6118 Argument LINES specifies lines to be scrolled up."
6120 (move-to-window-line -1)
6121 (if (and (not (and gnus-article-over-scroll
6122 (> (count-lines (window-start) (point-max))
6123 (+ (or lines (1- (window-height)))
6124 (or (and (boundp 'scroll-margin)
6125 (symbol-value 'scroll-margin))
6129 (and (pos-visible-in-window-p) ;Not continuation line.
6130 (>= (1+ (point)) (point-max))))) ;Allow for trailing newline.
6131 ;; Nothing in this page.
6132 (if (or (not gnus-page-broken)
6137 (eobp)))) ;Real end-of-buffer?
6139 (when gnus-article-over-scroll
6140 (gnus-article-next-page-1 lines))
6142 (gnus-narrow-to-page 1) ;Go to next page.
6144 ;; More in this page.
6145 (gnus-article-next-page-1 lines)
6148 (defmacro gnus-article-beginning-of-window ()
6149 "Move point to the beginning of the window.
6150 In Emacs, the point is placed at the line number which `scroll-margin'
6152 (if (featurep 'xemacs)
6153 '(move-to-window-line 0)
6154 '(move-to-window-line
6155 (min (max 0 scroll-margin)
6156 (max 1 (- (window-height)
6157 (if mode-line-format 1 0)
6158 (if header-line-format 1 0)))))))
6160 (defun gnus-article-next-page-1 (lines)
6161 (when (and (not (featurep 'xemacs))
6164 (numberp (symbol-value 'scroll-margin))
6165 (> (symbol-value 'scroll-margin) 0))
6166 ;; Protect against the bug that Emacs 21.x hangs up when scrolling up for
6167 ;; too many number of lines if `scroll-margin' is set as two or greater.
6168 (setq lines (min lines
6169 (max 0 (- (count-lines (window-start) (point-max))
6170 (symbol-value 'scroll-margin))))))
6172 (let ((scroll-in-place nil))
6175 ;; Long lines may cause an end-of-buffer error.
6176 (goto-char (point-max))))
6177 (gnus-article-beginning-of-window))
6179 (defun gnus-article-prev-page (&optional lines)
6180 "Show previous page of current article.
6181 Argument LINES specifies lines to be scrolled down."
6183 (move-to-window-line 0)
6184 (if (and gnus-page-broken
6186 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
6188 (gnus-narrow-to-page -1) ;Go to previous page.
6189 (goto-char (point-max))
6190 (recenter (if gnus-article-over-scroll
6192 (max (+ lines (or (and (boundp 'scroll-margin)
6193 (symbol-value 'scroll-margin))
6196 (- (window-height) 2))
6200 (let ((scroll-in-place nil))
6201 (scroll-down lines))
6202 (beginning-of-buffer
6203 (goto-char (point-min))))
6204 (gnus-article-beginning-of-window))))
6206 (defun gnus-article-only-boring-p ()
6207 "Decide whether there is only boring text remaining in the article.
6208 Something \"interesting\" is a word of at least two letters that does
6209 not have a face in `gnus-article-boring-faces'."
6210 (when (and gnus-article-skip-boring
6211 (boundp 'gnus-article-boring-faces)
6212 (symbol-value 'gnus-article-boring-faces))
6214 (let ((inhibit-point-motion-hooks t))
6216 (while (re-search-forward "\\b\\w\\w" nil t)
6218 (when (not (gnus-intersection
6219 (gnus-faces-at (point))
6220 (symbol-value 'gnus-article-boring-faces)))
6221 (throw 'only-boring nil)))
6222 (throw 'only-boring t))))))
6224 (defun gnus-article-refer-article ()
6225 "Read article specified by message-id around point."
6228 (re-search-backward "[ \t]\\|^" (point-at-bol) t)
6229 (re-search-forward "<?news:<?\\|<" (point-at-eol) t)
6230 (if (re-search-forward "[^@ ]+@[^ \t>]+" (point-at-eol) t)
6231 (let ((msg-id (concat "<" (match-string 0) ">")))
6232 (set-buffer gnus-summary-buffer)
6233 (gnus-summary-refer-article msg-id))
6234 (error "No references around point"))))
6236 (defun gnus-article-show-summary ()
6237 "Reconfigure windows to show summary buffer."
6239 (if (not (gnus-buffer-live-p gnus-summary-buffer))
6240 (error "There is no summary buffer for this article buffer")
6241 (gnus-article-set-globals)
6242 (gnus-configure-windows 'article)
6243 (gnus-summary-goto-subject gnus-current-article)
6244 (gnus-summary-position-point)))
6246 (defun gnus-article-describe-briefly ()
6247 "Describe article mode commands briefly."
6249 (gnus-message 6 (substitute-command-keys "\\<gnus-article-mode-map>\\[gnus-article-goto-next-page]:Next page \\[gnus-article-goto-prev-page]:Prev page \\[gnus-article-show-summary]:Show summary \\[gnus-info-find-node]:Run Info \\[gnus-article-describe-briefly]:This help")))
6251 (defun gnus-article-summary-command ()
6252 "Execute the last keystroke in the summary buffer."
6254 (let ((obuf (current-buffer))
6255 (owin (current-window-configuration))
6257 (switch-to-buffer gnus-article-current-summary 'norecord)
6258 (setq func (lookup-key (current-local-map) (this-command-keys)))
6259 (call-interactively func)
6261 (set-window-configuration owin)
6262 (set-window-point (get-buffer-window (current-buffer)) (point))))
6264 (defun gnus-article-summary-command-nosave ()
6265 "Execute the last keystroke in the summary buffer."
6268 (pop-to-buffer gnus-article-current-summary)
6269 (setq func (lookup-key (current-local-map) (this-command-keys)))
6270 (call-interactively func)))
6272 (defun gnus-article-check-buffer ()
6273 "Beep if not in an article buffer."
6274 (unless (equal major-mode 'gnus-article-mode)
6275 (error "Command invoked outside of a Gnus article buffer")))
6277 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
6278 "Read a summary buffer key sequence and execute it from the article buffer."
6280 (gnus-article-check-buffer)
6282 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
6283 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
6284 "=" "^" "\M-^" "|"))
6286 '("A " "A<" "A>" "AM" "AP" "AR" "AT" "A\C-?" "A\M-\r" "A\r" "Ab" "Ae"
6287 "An" "Ap" [?A (meta return)] [?A delete]))
6291 '("n" "Gn" "p" "Gp"))
6293 (with-current-buffer gnus-article-current-summary
6294 (let (gnus-pick-mode)
6295 (setq unread-command-events (nconc unread-command-events
6296 (list (or key last-command-event)))
6297 keys (if (featurep 'xemacs)
6298 (events-to-keys (read-key-sequence nil t))
6299 (read-key-sequence nil t)))))
6304 ((eq (aref keys (1- (length keys))) ?\C-h)
6305 (gnus-article-describe-bindings (substring keys 0 -1)))
6306 ((or (member keys nosaves)
6307 (member keys nosave-but-article)
6308 (member keys nosave-in-article))
6310 (save-window-excursion
6311 (pop-to-buffer gnus-article-current-summary)
6312 ;; We disable the pick minor mode commands.
6313 (let (gnus-pick-mode)
6314 (setq func (lookup-key (current-local-map) keys))))
6318 (unless (member keys nosave-in-article)
6319 (set-buffer gnus-article-current-summary))
6320 (call-interactively func)
6321 (setq new-sum-point (point)))
6322 (when (member keys nosave-but-article)
6323 (pop-to-buffer gnus-article-buffer))))
6325 ;; These commands should restore window configuration.
6326 (let ((obuf (current-buffer))
6327 (owin (current-window-configuration))
6328 win func in-buffer selected new-sum-start new-sum-hscroll err)
6329 (cond (not-restore-window
6330 (pop-to-buffer gnus-article-current-summary)
6331 (setq win (selected-window)))
6332 ((setq win (get-buffer-window gnus-article-current-summary))
6333 (select-window win))
6335 (let ((summary-buffer gnus-article-current-summary))
6336 (gnus-configure-windows 'article)
6337 (unless (setq win (get-buffer-window summary-buffer 'visible))
6338 (let ((gnus-buffer-configuration
6339 '(article ((vertical 1.0
6340 (summary 0.25 point)
6342 (gnus-configure-windows 'article))
6343 (setq win (get-buffer-window summary-buffer 'visible)))
6344 (gnus-select-frame-set-input-focus (window-frame win))
6345 (select-window win))))
6346 (setq in-buffer (current-buffer))
6347 ;; We disable the pick minor mode commands.
6348 (if (and (setq func (let (gnus-pick-mode)
6349 (lookup-key (current-local-map) keys)))
6351 (condition-case code
6353 (call-interactively func)
6359 (when (eq win (selected-window))
6360 (setq new-sum-point (point)
6361 new-sum-start (window-start win)
6362 new-sum-hscroll (window-hscroll win)))
6363 (when (or (eq in-buffer (current-buffer))
6364 (when (eq obuf (current-buffer))
6365 (set-buffer in-buffer)
6367 (setq selected (gnus-summary-select-article))
6369 (unless not-restore-window
6370 (set-window-configuration owin))
6371 (when (and (eq selected 'old)
6373 (set-window-start (get-buffer-window (current-buffer))
6375 (set-window-point (get-buffer-window (current-buffer))
6376 (if (article-goto-body)
6379 (when (and (not not-restore-window)
6381 (with-current-buffer (window-buffer win)
6382 (eq major-mode 'gnus-summary-mode)))
6383 (set-window-point win new-sum-point)
6384 (set-window-start win new-sum-start)
6385 (set-window-hscroll win new-sum-hscroll))))
6386 (set-window-configuration owin)
6388 (signal (car err) (cdr err))
6391 (defun gnus-article-read-summary-send-keys ()
6393 (let ((unread-command-events (list (gnus-character-to-event ?S))))
6394 (gnus-article-read-summary-keys)))
6396 (defun gnus-article-describe-key (key)
6397 "Display documentation of the function invoked by KEY.
6398 KEY is a string or a vector."
6399 (interactive (list (let ((cursor-in-echo-area t)) ;; better for XEmacs.
6400 (read-key-sequence "Describe key: "))))
6401 (gnus-article-check-buffer)
6402 (if (memq (key-binding key t) '(gnus-article-read-summary-keys
6403 gnus-article-read-summary-send-keys))
6404 (with-current-buffer gnus-article-current-summary
6405 (setq unread-command-events
6406 (if (featurep 'xemacs)
6408 (mapcar (lambda (x) (if (and (integerp x) (>= x 128))
6409 (list 'meta (- x 128))
6412 (let ((cursor-in-echo-area t)
6414 (describe-key (read-key-sequence nil t))))
6415 (describe-key key)))
6417 (defun gnus-article-describe-key-briefly (key &optional insert)
6418 "Display documentation of the function invoked by KEY.
6419 KEY is a string or a vector."
6420 (interactive (list (let ((cursor-in-echo-area t)) ;; better for XEmacs.
6421 (read-key-sequence "Describe key: "))
6422 current-prefix-arg))
6423 (gnus-article-check-buffer)
6424 (if (memq (key-binding key t) '(gnus-article-read-summary-keys
6425 gnus-article-read-summary-send-keys))
6426 (with-current-buffer gnus-article-current-summary
6427 (setq unread-command-events
6428 (if (featurep 'xemacs)
6430 (mapcar (lambda (x) (if (and (integerp x) (>= x 128))
6431 (list 'meta (- x 128))
6434 (let ((cursor-in-echo-area t)
6436 (describe-key-briefly (read-key-sequence nil t) insert)))
6437 (describe-key-briefly key insert)))
6439 ;;`gnus-agent-mode' in gnus-agent.el will define it.
6440 (defvar gnus-agent-summary-mode)
6441 (defvar gnus-draft-mode)
6443 (defun gnus-article-describe-bindings (&optional prefix)
6444 "Show a list of all defined keys, and their definitions.
6445 The optional argument PREFIX, if non-nil, should be a key sequence;
6446 then we display only bindings that start with that prefix."
6448 (gnus-article-check-buffer)
6449 (let ((keymap (copy-keymap gnus-article-mode-map))
6450 (map (copy-keymap gnus-article-send-map))
6451 (sumkeys (where-is-internal 'gnus-article-read-summary-keys))
6453 (define-key keymap "S" map)
6454 (define-key map [t] nil)
6455 (with-current-buffer gnus-article-current-summary
6456 (set-keymap-parent map (key-binding "S"))
6457 (let (key def gnus-pick-mode)
6459 (setq key (pop sumkeys))
6460 (cond ((and (vectorp key) (= (length key) 1)
6461 (consp (setq def (aref key 0)))
6462 (numberp (car def)) (numberp (cdr def)))
6463 (when (< (max (car def) (cdr def)) 128)
6467 (nreverse (gnus-uncompress-range def)))
6469 ((setq def (key-binding key))
6470 (unless (eq def 'undefined)
6471 (define-key keymap key def))))))
6472 (when (boundp 'gnus-agent-summary-mode)
6473 (setq agent gnus-agent-summary-mode))
6474 (when (boundp 'gnus-draft-mode)
6475 (setq draft gnus-draft-mode)))
6477 (use-local-map keymap)
6478 (set (make-local-variable 'gnus-agent-summary-mode) agent)
6479 (set (make-local-variable 'gnus-draft-mode) draft)
6480 (describe-bindings prefix))
6481 (let ((item `((lambda (prefix)
6482 (with-current-buffer ,(current-buffer)
6483 (gnus-article-describe-bindings prefix)))
6485 (with-current-buffer (if (fboundp 'help-buffer)
6486 (let (help-xref-following) (help-buffer))
6487 "*Help*") ;; Emacs 21
6488 (setq help-xref-stack-item item)))))
6490 (defun gnus-article-reply-with-original (&optional wide)
6491 "Start composing a reply mail to the current message.
6492 The text in the region will be yanked. If the region isn't active,
6493 the entire article will be yanked."
6495 (let ((article (cdr gnus-article-current))
6497 (if (not (gnus-region-active-p))
6498 (with-current-buffer gnus-summary-buffer
6499 (gnus-summary-reply (list (list article)) wide))
6500 (setq contents (buffer-substring (point) (mark t)))
6501 ;; Deactivate active regions.
6502 (when (and (boundp 'transient-mark-mode)
6503 transient-mark-mode)
6504 (setq mark-active nil))
6505 (with-current-buffer gnus-summary-buffer
6507 (list (list article contents)) wide)))))
6509 (defun gnus-article-wide-reply-with-original ()
6510 "Start composing a wide reply mail to the current message.
6511 The text in the region will be yanked. If the region isn't active,
6512 the entire article will be yanked."
6514 (gnus-article-reply-with-original t))
6516 (defun gnus-article-followup-with-original ()
6517 "Compose a followup to the current article.
6518 The text in the region will be yanked. If the region isn't active,
6519 the entire article will be yanked."
6521 (let ((article (cdr gnus-article-current))
6523 (if (not (gnus-region-active-p))
6524 (with-current-buffer gnus-summary-buffer
6525 (gnus-summary-followup (list (list article))))
6526 (setq contents (buffer-substring (point) (mark t)))
6527 ;; Deactivate active regions.
6528 (when (and (boundp 'transient-mark-mode)
6529 transient-mark-mode)
6530 (setq mark-active nil))
6531 (with-current-buffer gnus-summary-buffer
6532 (gnus-summary-followup
6533 (list (list article contents)))))))
6535 (defun gnus-article-hide (&optional arg force)
6536 "Hide all the gruft in the current article.
6537 This means that signatures, cited text and (some) headers will be
6539 If given a prefix, show the hidden text instead."
6540 (interactive (append (gnus-article-hidden-arg) (list 'force)))
6541 (gnus-article-hide-headers arg)
6542 (gnus-article-hide-list-identifiers arg)
6543 (gnus-article-hide-citation-maybe arg force)
6544 (gnus-article-hide-signature arg))
6546 (defun gnus-article-maybe-highlight ()
6547 "Do some article highlighting if article highlighting is requested."
6548 (when (gnus-visual-p 'article-highlight 'highlight)
6549 (gnus-article-highlight-some)))
6551 (defun gnus-check-group-server ()
6552 ;; Make sure the connection to the server is alive.
6553 (unless (gnus-server-opened
6554 (gnus-find-method-for-group gnus-newsgroup-name))
6555 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
6556 (gnus-request-group gnus-newsgroup-name t)))
6559 (autoload 'nneething-get-file-name "nneething"))
6561 (defun gnus-request-article-this-buffer (article group)
6562 "Get an article and insert it into this buffer."
6563 (let (do-update-line sparse-header)
6567 (gnus-kill-all-overlays)
6568 (setq group (or group gnus-newsgroup-name))
6570 ;; Using `gnus-request-article' directly will insert the article into
6571 ;; `nntp-server-buffer' - so we'll save some time by not having to
6572 ;; copy it from the server buffer into the article buffer.
6574 ;; We only request an article by message-id when we do not have the
6575 ;; headers for it, so we'll have to get those.
6576 (when (stringp article)
6577 (gnus-read-header article))
6579 ;; If the article number is negative, that means that this article
6580 ;; doesn't belong in this newsgroup (possibly), so we find its
6581 ;; message-id and request it by id instead of number.
6582 (when (and (numberp article)
6584 (get-buffer gnus-summary-buffer)
6585 (gnus-buffer-exists-p gnus-summary-buffer))
6586 (with-current-buffer gnus-summary-buffer
6587 (let ((header (gnus-summary-article-header article)))
6590 ((memq article gnus-newsgroup-sparse)
6591 ;; This is a sparse gap article.
6592 (setq do-update-line article)
6593 (setq article (mail-header-id header))
6594 (setq sparse-header (gnus-read-header article))
6595 (setq gnus-newsgroup-sparse
6596 (delq article gnus-newsgroup-sparse)))
6598 ;; It's a real article.
6599 (setq article (mail-header-id header)))
6601 ;; It is an extracted pseudo-article.
6602 (setq article 'pseudo)
6603 (gnus-request-pseudo-article header))))
6605 (let ((method (gnus-find-method-for-group
6606 gnus-newsgroup-name)))
6607 (when (and (eq (car method) 'nneething)
6609 (let ((dir (nneething-get-file-name
6610 (mail-header-id header))))
6611 (when (and (stringp dir)
6612 (file-directory-p dir))
6613 (setq article 'nneething)
6614 (gnus-group-enter-directory dir))))))))
6617 ;; Refuse to select canceled articles.
6618 ((and (numberp article)
6620 (get-buffer gnus-summary-buffer)
6621 (gnus-buffer-exists-p gnus-summary-buffer)
6622 (eq (cdr (with-current-buffer gnus-summary-buffer
6623 (assq article gnus-newsgroup-reads)))
6624 gnus-canceled-mark))
6626 ;; We first check `gnus-original-article-buffer'.
6627 ((and (get-buffer gnus-original-article-buffer)
6629 (with-current-buffer gnus-original-article-buffer
6630 (and (equal (car gnus-original-article) group)
6631 (eq (cdr gnus-original-article) article))))
6632 ;; `insert-buffer-substring' would incorrectly use the
6633 ;; equivalent of string-make-multibyte which amount to decoding
6634 ;; with locale-coding-system, causing failure of
6635 ;; subsequent decoding.
6636 (insert (mm-string-to-multibyte
6637 (with-current-buffer gnus-original-article-buffer
6638 (buffer-substring (point-min) (point-max)))))
6640 ;; Check the backlog.
6641 ((and gnus-keep-backlog
6642 (gnus-backlog-request-article group article (current-buffer)))
6644 ;; Check asynchronous pre-fetch.
6645 ((gnus-async-request-fetched-article group article (current-buffer))
6646 (gnus-async-prefetch-next group article gnus-summary-buffer)
6647 (when (and (numberp article) gnus-keep-backlog)
6648 (gnus-backlog-enter-article group article (current-buffer)))
6651 ((and gnus-use-cache
6653 (gnus-cache-request-article article group))
6655 ;; Check the agent cache.
6656 ((gnus-agent-request-article article group)
6658 ;; Get the article and put into the article buffer.
6659 ((or (stringp article)
6661 (let ((gnus-override-method gnus-override-method)
6662 (methods (and (stringp article)
6663 gnus-refer-article-method))
6664 (backend (car (gnus-find-method-for-group
6665 gnus-newsgroup-name)))
6667 (inhibit-read-only t))
6668 (if (or (not (listp methods))
6669 (and (symbolp (car methods))
6670 (assq (car methods) nnoo-definition-alist)))
6671 (setq methods (list methods)))
6672 (when (and (null gnus-override-method)
6674 (setq gnus-override-method (pop methods)))
6676 (when (eq gnus-override-method 'current)
6677 (setq gnus-override-method
6678 (with-current-buffer gnus-summary-buffer
6679 gnus-current-select-method)))
6681 (gnus-kill-all-overlays)
6682 (let ((gnus-newsgroup-name group))
6683 (gnus-check-group-server))
6685 ((gnus-request-article article group (current-buffer))
6686 (when (numberp article)
6687 (gnus-async-prefetch-next group article
6688 gnus-summary-buffer)
6689 (when gnus-keep-backlog
6690 (gnus-backlog-enter-article
6691 group article (current-buffer))))
6692 (setq result 'article))
6694 (setq gnus-override-method (pop methods)))
6695 ((not (string-match "^400 "
6696 (nnheader-get-report backend)))
6697 ;; If we get 400 server disconnect, reconnect and
6698 ;; retry; otherwise, assume the article has expired.
6699 (setq result 'done))))
6700 (and (eq result 'article) 'article)))
6704 ;; Associate this article with the current summary buffer.
6705 (setq gnus-article-current-summary gnus-summary-buffer)
6707 ;; Take the article from the original article buffer
6708 ;; and place it in the buffer it's supposed to be in.
6709 (when (and (get-buffer gnus-article-buffer)
6710 (equal (buffer-name (current-buffer))
6711 (buffer-name (get-buffer gnus-article-buffer))))
6713 (if (get-buffer gnus-original-article-buffer)
6714 (set-buffer gnus-original-article-buffer)
6715 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
6716 (buffer-disable-undo)
6717 (setq major-mode 'gnus-original-article-mode)
6718 (setq buffer-read-only t))
6719 (let ((inhibit-read-only t))
6721 (insert-buffer-substring gnus-article-buffer))
6722 (setq gnus-original-article (cons group article)))
6725 (run-hooks 'gnus-article-decode-hook)
6726 ;; Mark article as decoded or not.
6727 (setq gnus-article-decoded-p gnus-article-decode-hook))
6729 ;; Update sparse articles.
6730 (when (and do-update-line
6731 (or (numberp article)
6733 (let ((buf (current-buffer)))
6734 (set-buffer gnus-summary-buffer)
6735 (gnus-summary-update-article do-update-line sparse-header)
6736 (gnus-summary-goto-subject do-update-line nil t)
6737 (set-window-point (gnus-get-buffer-window (current-buffer) t)
6739 (set-buffer buf))))))
6745 (defcustom gnus-article-edit-mode-hook nil
6746 "Hook run in article edit mode buffers."
6747 :group 'gnus-article-various
6750 (defvar gnus-article-edit-done-function nil)
6752 (defvar gnus-article-edit-mode-map nil)
6754 ;; Should we be using derived.el for this?
6755 (unless gnus-article-edit-mode-map
6756 (setq gnus-article-edit-mode-map (make-keymap))
6757 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
6759 (gnus-define-keys gnus-article-edit-mode-map
6760 "\C-c?" describe-mode
6761 "\C-c\C-c" gnus-article-edit-done
6762 "\C-c\C-k" gnus-article-edit-exit
6763 "\C-c\C-f\C-t" message-goto-to
6764 "\C-c\C-f\C-o" message-goto-from
6765 "\C-c\C-f\C-b" message-goto-bcc
6766 ;;"\C-c\C-f\C-w" message-goto-fcc
6767 "\C-c\C-f\C-c" message-goto-cc
6768 "\C-c\C-f\C-s" message-goto-subject
6769 "\C-c\C-f\C-r" message-goto-reply-to
6770 "\C-c\C-f\C-n" message-goto-newsgroups
6771 "\C-c\C-f\C-d" message-goto-distribution
6772 "\C-c\C-f\C-f" message-goto-followup-to
6773 "\C-c\C-f\C-m" message-goto-mail-followup-to
6774 "\C-c\C-f\C-k" message-goto-keywords
6775 "\C-c\C-f\C-u" message-goto-summary
6776 "\C-c\C-f\C-i" message-insert-or-toggle-importance
6777 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
6778 "\C-c\C-b" message-goto-body
6779 "\C-c\C-i" message-goto-signature
6781 "\C-c\C-t" message-insert-to
6782 "\C-c\C-n" message-insert-newsgroups
6783 "\C-c\C-o" message-sort-headers
6784 "\C-c\C-e" message-elide-region
6785 "\C-c\C-v" message-delete-not-region
6786 "\C-c\C-z" message-kill-to-signature
6787 "\M-\r" message-newline-and-reformat
6788 "\C-c\C-a" mml-attach-file
6789 "\C-a" message-beginning-of-line
6791 "\M-;" comment-region)
6793 (gnus-define-keys (gnus-article-edit-wash-map
6794 "\C-c\C-w" gnus-article-edit-mode-map)
6795 "f" gnus-article-edit-full-stops))
6798 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
6800 ["Fetch To" message-insert-to t]
6801 ["Fetch Newsgroups" message-insert-newsgroups t]
6803 ["To" message-goto-to t]
6804 ["From" message-goto-from t]
6805 ["Subject" message-goto-subject t]
6806 ["Cc" message-goto-cc t]
6807 ["Reply-To" message-goto-reply-to t]
6808 ["Summary" message-goto-summary t]
6809 ["Keywords" message-goto-keywords t]
6810 ["Newsgroups" message-goto-newsgroups t]
6811 ["Followup-To" message-goto-followup-to t]
6812 ["Mail-Followup-To" message-goto-mail-followup-to t]
6813 ["Distribution" message-goto-distribution t]
6814 ["Body" message-goto-body t]
6815 ["Signature" message-goto-signature t]))
6817 (define-derived-mode gnus-article-edit-mode message-mode "Article Edit"
6818 "Major mode for editing articles.
6819 This is an extended text-mode.
6821 \\{gnus-article-edit-mode-map}"
6822 (make-local-variable 'gnus-article-edit-done-function)
6823 (make-local-variable 'gnus-prev-winconf)
6824 (set (make-local-variable 'font-lock-defaults)
6825 '(message-font-lock-keywords t))
6826 (set (make-local-variable 'mail-header-separator) "")
6827 (set (make-local-variable 'gnus-article-edit-mode) t)
6828 (easy-menu-add message-mode-field-menu message-mode-map)
6830 (setq buffer-read-only nil)
6831 (buffer-enable-undo)
6834 (defun gnus-article-edit (&optional force)
6835 "Edit the current article.
6836 This will have permanent effect only in mail groups.
6837 If FORCE is non-nil, allow editing of articles even in read-only
6840 (when (and (not force)
6841 (gnus-group-read-only-p))
6842 (error "The current newsgroup does not support article editing"))
6843 (gnus-article-date-original)
6844 (gnus-article-edit-article
6846 `(lambda (no-highlight)
6848 (gnus-summary-edit-article-done
6849 ,(or (mail-header-references gnus-current-headers) "")
6850 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
6852 (defun gnus-article-edit-article (start-func exit-func &optional quiet)
6853 "Start editing the contents of the current article buffer."
6854 (let ((winconf (current-window-configuration)))
6855 (set-buffer gnus-article-buffer)
6856 (let ((message-auto-save-directory
6857 ;; Don't associate the article buffer with a draft file.
6859 (gnus-article-edit-mode))
6860 (funcall start-func)
6861 (set-buffer-modified-p nil)
6862 (gnus-configure-windows 'edit-article)
6863 (setq gnus-article-edit-done-function exit-func)
6864 (setq gnus-prev-winconf winconf)
6866 (gnus-message 6 "C-c C-c to end edits"))))
6868 (defun gnus-article-edit-done (&optional arg)
6869 "Update the article edits and exit."
6871 (let ((func gnus-article-edit-done-function)
6872 (buf (current-buffer))
6873 (start (window-start))
6875 (winconf gnus-prev-winconf))
6876 (widen) ;; Widen it in case that users narrowed the buffer.
6879 ;; The cache and backlog have to be flushed somewhat.
6880 (when gnus-keep-backlog
6881 (gnus-backlog-remove-article
6882 (car gnus-article-current) (cdr gnus-article-current)))
6883 ;; Flush original article as well.
6884 (when (get-buffer gnus-original-article-buffer)
6885 (with-current-buffer gnus-original-article-buffer
6886 (setq gnus-original-article nil)))
6887 (when gnus-use-cache
6888 (gnus-cache-update-article
6889 (car gnus-article-current) (cdr gnus-article-current)))
6890 ;; We remove all text props from the article buffer.
6891 (kill-all-local-variables)
6892 (set-text-properties (point-min) (point-max) nil)
6894 (set-window-configuration winconf)
6896 (set-window-start (get-buffer-window buf) start)
6897 (set-window-point (get-buffer-window buf) (point)))
6898 (gnus-summary-show-article))
6900 (defun gnus-article-edit-exit ()
6901 "Exit the article editing without updating."
6903 (when (or (not (buffer-modified-p))
6904 (yes-or-no-p "Article modified; kill anyway? "))
6905 (let ((curbuf (current-buffer))
6907 (window-start (window-start)))
6909 (if (gnus-buffer-live-p gnus-original-article-buffer)
6910 (insert-buffer-substring gnus-original-article-buffer))
6911 (let ((winconf gnus-prev-winconf))
6912 (kill-all-local-variables)
6914 (set-window-configuration winconf)
6915 ;; Tippy-toe some to make sure that point remains where it was.
6916 (save-current-buffer
6918 (set-window-start (get-buffer-window (current-buffer)) window-start)
6920 (gnus-summary-show-article)))
6922 (defun gnus-article-edit-full-stops ()
6923 "Interactively repair spacing at end of sentences."
6926 (goto-char (point-min))
6927 (search-forward-regexp "^$" nil t)
6928 (let ((case-fold-search nil))
6929 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
6932 ;;; Article highlights
6935 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
6937 ;;; Internal Variables:
6939 (defcustom gnus-button-url-regexp
6941 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|"
6942 "nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)"
6943 "\\(//[-a-z0-9_.]+:[0-9]*\\)?"
6944 (if (string-match "[[:digit:]]" "1") ;; Support POSIX?
6945 (let ((chars "-a-z0-9_=#$@~%&*+\\/[:word:]")
6949 ;; Match paired parentheses, e.g. in Wikipedia URLs:
6950 ;; http://thread.gmane.org/47B4E3B2.3050402@gmail.com
6951 "[" chars punct "]+" "(" "[" chars punct "]+" "[" chars "]*)" "[" chars "]*"
6953 "[" chars punct "]+" "[" chars "]"
6955 (concat ;; XEmacs 21.4 doesn't support POSIX.
6956 "\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+"
6957 "\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)"))
6959 "Regular expression that matches URLs."
6960 :group 'gnus-article-buttons
6963 (defcustom gnus-button-valid-fqdn-regexp
6964 message-valid-fqdn-regexp
6965 "Regular expression that matches a valid FQDN."
6967 :group 'gnus-article-buttons
6970 ;; Regexp suggested by Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
6971 (defcustom gnus-button-valid-localpart-regexp
6972 "[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t @]*"
6973 "Regular expression that matches a localpart of mail addresses or MIDs."
6975 :group 'gnus-article-buttons
6978 (defcustom gnus-button-man-handler 'manual-entry
6979 "Function to use for displaying man pages.
6980 The function must take at least one argument with a string naming the
6983 :type '(choice (function-item :tag "Man" manual-entry)
6984 (function-item :tag "Woman" woman)
6985 (function :tag "Other"))
6986 :group 'gnus-article-buttons)
6988 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
6989 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
6990 If the default site is too slow, try to find a CTAN mirror, see
6991 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
6992 the variable `gnus-button-handle-ctan'."
6994 :group 'gnus-article-buttons
6995 :link '(custom-manual "(gnus)Group Parameters")
6996 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
6997 (const "http://tug.ctan.org/tex-archive/")
6998 (const "http://www.dante.de/CTAN/")
6999 (string :tag "Other")))
7001 (defcustom gnus-button-ctan-handler 'browse-url
7002 "Function to use for displaying CTAN links.
7003 The function must take one argument, the string naming the URL."
7005 :type '(choice (function-item :tag "Browse Url" browse-url)
7006 (function :tag "Other"))
7007 :group 'gnus-article-buttons)
7009 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
7010 "Bogus strings removed from CTAN URLs."
7012 :group 'gnus-article-buttons
7013 :type '(choice (const "^/?tex-archive/\\|/")
7014 (regexp :tag "Other")))
7016 (defcustom gnus-button-ctan-directory-regexp
7018 (list "archive-tools" "biblio" "bibliography" "digests" "documentation"
7019 "dviware" "fonts" "graphics" "help" "indexing" "info" "language"
7020 "languages" "macros" "nonfree" "obsolete" "support" "systems"
7021 "tds" "tools" "usergrps" "web") t)
7022 "Regular expression for ctan directories.
7023 It should match all directories in the top level of `gnus-ctan-url'."
7025 :group 'gnus-article-buttons
7028 (defcustom gnus-button-mid-or-mail-regexp
7029 (concat "\\b\\(<?" gnus-button-valid-localpart-regexp "@"
7030 gnus-button-valid-fqdn-regexp
7032 "Regular expression that matches a message ID or a mail address."
7034 :group 'gnus-article-buttons
7037 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
7038 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
7039 Strings like this can be either a message ID or a mail address. If it is one
7040 of the symbols `mid' or `mail', Gnus will always assume that the string is a
7041 message ID or a mail address, respectively. If this variable is set to the
7042 symbol `ask', always query the user what do do. If it is a function, this
7043 function will be called with the string as its only argument. The function
7044 must return `mid', `mail', `invalid' or `ask'."
7046 :group 'gnus-article-buttons
7047 :type '(choice (function-item :tag "Heuristic function"
7048 gnus-button-mid-or-mail-heuristic)
7053 (defcustom gnus-button-mid-or-mail-heuristic-alist
7054 '((-10.0 . ".+\\$.+@")
7057 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
7058 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
7059 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
7060 (-1.0 . "^[^a-z]+@")
7062 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
7063 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
7064 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
7065 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
7068 (-1.0 . "^[0-9][0-9]")
7070 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
7071 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
7072 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
7073 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
7075 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
7076 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
7079 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
7081 ;; compensation for TDMA dated mail addresses:
7082 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
7084 (-20.0 . "\\.fsf@") ;; Gnus
7087 (-20.0 . "^alpine\\.")
7088 (-20.0 . "_-_") ;; Subject change in thread
7090 (-20.0 . "\\.ln@") ;; leafnode
7091 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
7092 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
7094 ;; (5.0 . "") ;; $local_part_len <= 7
7095 (10.0 . "^[^0-9]+@")
7096 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
7097 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
7100 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
7102 (0.5 . "^[A-Z][a-z]")
7103 (0.5 . "^[A-Z][a-z][a-z]")
7104 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
7105 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
7106 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
7108 A negative RATE indicates a message IDs, whereas a positive indicates a mail
7109 address. The REGEXP is processed with `case-fold-search' set to nil."
7111 :group 'gnus-article-buttons
7112 :type '(repeat (cons (number :tag "Rate")
7113 (regexp :tag "Regexp"))))
7115 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
7116 "Guess whether MID-OR-MAIL is a message ID or a mail address.
7117 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
7118 address, `ask' if unsure and `invalid' if the string is invalid."
7119 (let ((case-fold-search nil)
7120 (list gnus-button-mid-or-mail-heuristic-alist)
7121 (result 0) rate regexp lpartlen elem)
7123 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
7124 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
7125 ;; Certain special cases...
7128 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
7129 "^[0-9]+\\.[0-9]+@compuserve\\|"
7130 "@public\\.gmane\\.org")
7132 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
7133 (setq result 'mail))
7134 (when (string-match "@.*@\\| " mid-or-mail)
7135 (gnus-message 8 "`%s' is invalid." mid-or-mail)
7136 (setq result 'invalid))
7137 ;; Nothing more to do, if result is not a number here...
7138 (when (numberp result)
7140 (setq elem (car list)
7144 (when (string-match regexp mid-or-mail)
7145 (setq result (+ result rate))
7147 9 "`%s' matched `%s', rate `%s', result `%s'."
7148 mid-or-mail regexp rate result)))
7149 (when (<= lpartlen 7)
7150 (setq result (+ result 5.0))
7151 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
7152 mid-or-mail result))
7153 (when (>= lpartlen 12)
7154 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
7156 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
7157 ;; Long local part should contain realname if e-mail address,
7158 ;; too many digits: message-id.
7159 ;; $score -= 5.0 + 0.1 * $local_part_len;
7160 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
7161 (setq result (+ result rate))
7163 9 "Many digits in `%s', rate `%s', result `%s'."
7164 mid-or-mail rate result))
7165 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
7167 ;; Too few vowels [^aeiouy]{4,}.*\@
7168 (setq result (+ result -5.0))
7170 9 "Few vowels in `%s', rate `%s', result `%s'."
7171 mid-or-mail -5.0 result))
7173 (setq result (+ result 5.0))
7175 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
7176 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
7177 ;; Maybe we should make this a customizable alist: (condition . 'result)
7179 ((symbolp result) result)
7180 ;; Now convert number into proper results:
7181 ((< result -10.0) 'mid)
7182 ((> result 10.0) 'mail)
7185 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
7186 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
7187 (url-mid (concat "news" ":" mid-or-mail))
7188 (url-mailto (concat "mailto" ":" mid-or-mail)))
7189 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
7190 (when (fboundp pref)
7192 ;; get rid of surrounding angles...
7194 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
7195 (if (or (eq 'mid guessed) (eq 'mail guessed))
7199 (save-window-excursion
7200 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
7203 (cond ((eq pref 'mid)
7204 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
7205 (gnus-button-handle-news url-mid))
7207 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
7208 (gnus-url-mailto url-mailto))
7209 (t (gnus-message 3 "Invalid string.")))))
7211 (defun gnus-button-handle-custom (fun arg)
7212 "Call function FUN on argument ARG.
7213 Both FUN and ARG are supposed to be strings. ARG will be passed
7214 as a symbol to FUN."
7215 (funcall (intern fun)
7216 (if (string-match "^customize-apropos" fun)
7220 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
7222 ;; FIXME: Maybe we should merge some of the functions that do quite similar
7225 (defun gnus-button-handle-describe-function (url)
7226 "Call `describe-function' when pushing the corresponding URL button."
7229 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
7231 (defun gnus-button-handle-describe-variable (url)
7232 "Call `describe-variable' when pushing the corresponding URL button."
7235 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
7237 (defun gnus-button-handle-symbol (url)
7238 "Display help on variable or function.
7239 Calls `describe-variable' or `describe-function'."
7240 (let ((sym (intern url)))
7242 ((fboundp sym) (describe-function sym))
7243 ((boundp sym) (describe-variable sym))
7244 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
7246 (defun gnus-button-handle-describe-key (url)
7247 "Call `describe-key' when pushing the corresponding URL button."
7249 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
7250 (keys (ignore-errors (eval `(kbd ,key-string)))))
7253 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
7255 (defun gnus-button-handle-apropos (url)
7256 "Call `apropos' when pushing the corresponding URL button."
7257 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
7259 (defun gnus-button-handle-apropos-command (url)
7260 "Call `apropos' when pushing the corresponding URL button."
7262 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
7264 (defun gnus-button-handle-apropos-variable (url)
7265 "Call `apropos' when pushing the corresponding URL button."
7267 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
7268 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
7270 (defun gnus-button-handle-apropos-documentation (url)
7271 "Call `apropos' when pushing the corresponding URL button."
7273 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
7274 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
7276 (defun gnus-button-handle-library (url)
7277 "Call `locate-library' when pushing the corresponding URL button."
7278 (gnus-message 9 "url=`%s'" url)
7279 (let* ((lib (locate-library url))
7280 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
7282 (gnus-message 1 "Cannot locale library `%s'." url)
7283 (find-file-read-only file))))
7285 (defun gnus-button-handle-ctan (url)
7286 "Call `browse-url' when pushing a CTAN URL button."
7288 gnus-button-ctan-handler
7291 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
7293 (defcustom gnus-button-tex-level 5
7294 "*Integer that says how many TeX-related buttons Gnus will show.
7295 The higher the number, the more buttons will appear and the more false
7296 positives are possible. Note that you can set this variable local to
7297 specific groups. Setting it higher in TeX groups is probably a good idea.
7298 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
7299 how to set variables in specific groups."
7301 :group 'gnus-article-buttons
7302 :link '(custom-manual "(gnus)Group Parameters")
7305 (defcustom gnus-button-man-level 5
7306 "*Integer that says how many man-related buttons Gnus will show.
7307 The higher the number, the more buttons will appear and the more false
7308 positives are possible. Note that you can set this variable local to
7309 specific groups. Setting it higher in Unix groups is probably a good idea.
7310 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
7311 how to set variables in specific groups."
7313 :group 'gnus-article-buttons
7314 :link '(custom-manual "(gnus)Group Parameters")
7317 (defcustom gnus-button-emacs-level 5
7318 "*Integer that says how many emacs-related buttons Gnus will show.
7319 The higher the number, the more buttons will appear and the more false
7320 positives are possible. Note that you can set this variable local to
7321 specific groups. Setting it higher in Emacs or Gnus related groups is
7322 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
7323 `gnus-parameters' on how to set variables in specific groups."
7325 :group 'gnus-article-buttons
7326 :link '(custom-manual "(gnus)Group Parameters")
7329 (defcustom gnus-button-message-level 5
7330 "*Integer that says how many buttons for news or mail messages will appear.
7331 The higher the number, the more buttons will appear and the more false
7332 positives are possible."
7333 ;; mail addresses, MIDs, URLs for news, ...
7335 :group 'gnus-article-buttons
7338 (defcustom gnus-button-browse-level 5
7339 "*Integer that says how many buttons for browsing will appear.
7340 The higher the number, the more buttons will appear and the more false
7341 positives are possible."
7342 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
7344 :group 'gnus-article-buttons
7347 (defcustom gnus-button-alist
7348 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
7349 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
7350 ((concat "\\b\\(nntp\\|news\\):\\("
7351 gnus-button-valid-localpart-regexp "@[a-z0-9.-]+[a-z]\\)")
7352 0 t gnus-button-handle-news 2)
7353 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
7354 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
7355 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
7356 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
7357 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
7358 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
7359 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
7360 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
7361 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
7362 ("\\b\\(mid\\|message-id\\):? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
7363 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
7364 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
7365 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
7366 ;; RFC 2368 (The mailto URL scheme)
7367 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
7368 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
7369 ("\\bmailto:\\([^ \n\t]+\\)"
7370 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
7372 ((concat "\\bCTAN:[ \t\n]?[^>)!;:,'\n\t ]*\\("
7373 gnus-button-ctan-directory-regexp
7374 "[^][>)!;:,'\n\t ]+\\)")
7375 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
7376 ((concat "\\btex-archive/\\("
7377 gnus-button-ctan-directory-regexp
7378 "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)")
7379 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
7382 gnus-button-ctan-directory-regexp
7383 "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)")
7384 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
7385 ;; This is info (home-grown style) <info://foo/bar+baz>
7386 ("\\binfo://\\([^'\">\n\t ]+\\)"
7387 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
7388 ;; Info GNOME style <info:foo#bar_baz>
7389 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
7390 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
7391 ;; Info KDE style <info:(foo)bar baz>
7392 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
7393 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
7394 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
7395 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
7396 ("\\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,]*\\)\\)?"
7397 ;; Info links like `C-h i d m Gnus RET' or `C-h i d m Gnus RET i partial RET'
7398 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 0)
7400 ("M-x[ \t\n]\\(customize-[^ ]+\\)[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
7401 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1 2)
7402 ;; Emacs help commands
7403 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7404 ;; regexp doesn't match arguments containing ` '.
7405 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
7406 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7407 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
7408 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7409 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
7410 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7411 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
7412 ;; The following entries may lead to many false positives so don't enable
7413 ;; them by default (use a high button level).
7414 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>[^.?]"
7415 ;; Exclude [.?] for URLs in gmane.emacs.cvs
7416 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
7417 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
7418 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
7419 ("`\\([a-z][a-z0-9]+-[a-z0-9]+-[-a-z0-9]*[a-z]\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
7420 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
7421 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
7422 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
7423 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
7424 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
7425 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7426 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
7427 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7428 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
7429 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7430 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
7431 ("`\\(\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
7432 ;; Unlike the other regexps we really have to require quoting
7433 ;; here to determine where it ends.
7434 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
7435 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
7436 ("<URL: *\\([^\n<>]*\\)>"
7437 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
7438 ;; RFC 2396 (2.4.3., delims) ...
7439 ("\"URL: *\\([^\n\"]*\\)\""
7440 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
7442 (gnus-button-url-regexp
7443 0 (>= gnus-button-browse-level 0) browse-url 0)
7445 ("\\b\\([a-z][a-z]+([1-9])\\)\\W"
7446 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
7447 gnus-button-handle-man 1)
7448 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
7449 ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W"
7450 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
7451 gnus-button-handle-man 1)
7452 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
7453 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
7454 ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\|\\b\\(?:X([1-9])\\)\\)\\W"
7455 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
7456 ;; Recognizing patches to .el files. This is somewhat obscure,
7457 ;; but considering the percentage of Gnus users who hack Emacs
7459 ("^--- \\([^ .]+\\.el\\).*\n.*\n@@ -?\\([0-9]+\\)" 1
7460 (>= gnus-button-message-level 4) gnus-button-patch 1 2)
7461 ("^\\*\\*\\* \\([^ .]+\\.el\\).*\n.*\n\\*+\n\\*\\*\\* \\([0-9]+\\)" 1
7462 (>= gnus-button-message-level 4) gnus-button-patch 1 2)
7463 ;; MID or mail: To avoid too many false positives we don't try to catch
7464 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
7465 ;; at least one dot. TLD must contain two or three chars or be a know TLD
7466 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
7467 ;; so that non-ambiguous entries (see above) match first.
7468 (gnus-button-mid-or-mail-regexp
7469 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
7470 "*Alist of regexps matching buttons in article bodies.
7472 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
7473 REGEXP: is the string (case insensitive) matching text around the button (can
7474 also be Lisp expression evaluating to a string),
7475 BUTTON: is the number of the regexp grouping actually matching the button,
7476 FORM: is a Lisp expression which must eval to true for the button to
7478 CALLBACK: is the function to call when the user push this button, and each
7479 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
7481 CALLBACK can also be a variable, in that case the value of that
7482 variable it the real callback function."
7483 :group 'gnus-article-buttons
7484 :type '(repeat (list (choice regexp variable sexp)
7485 (integer :tag "Button")
7487 (function :tag "Callback")
7490 (integer :tag "Regexp group")))))
7491 (put 'gnus-button-alist 'risky-local-variable t)
7493 (defcustom gnus-header-button-alist
7494 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
7495 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
7496 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
7497 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
7498 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
7499 0 (>= gnus-button-message-level 0) gnus-msg-mail 0)
7500 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
7501 0 (>= gnus-button-browse-level 0) browse-url 0)
7502 ("^Subject:" gnus-button-url-regexp
7503 0 (>= gnus-button-browse-level 0) browse-url 0)
7504 ("^[^:]+:" gnus-button-url-regexp
7505 0 (>= gnus-button-browse-level 0) browse-url 0)
7506 ("^OpenPGP:.*url=" gnus-button-url-regexp
7507 0 (>= gnus-button-browse-level 0) gnus-button-openpgp 0)
7508 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
7509 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
7510 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
7511 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
7512 "*Alist of headers and regexps to match buttons in article heads.
7514 This alist is very similar to `gnus-button-alist', except that each
7515 alist has an additional HEADER element first in each entry:
7517 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
7519 HEADER is a regexp to match a header. For a fuller explanation, see
7520 `gnus-button-alist'."
7521 :group 'gnus-article-buttons
7522 :group 'gnus-article-headers
7523 :type '(repeat (list (regexp :tag "Header")
7524 (choice regexp variable)
7525 (integer :tag "Button")
7527 (function :tag "Callback")
7530 (integer :tag "Regexp group")))))
7531 (put 'gnus-header-button-alist 'risky-local-variable t)
7535 (defun gnus-article-push-button (event)
7536 "Check text under the mouse pointer for a callback function.
7537 If the text under the mouse pointer has a `gnus-callback' property,
7538 call it with the value of the `gnus-data' text property."
7540 (set-buffer (window-buffer (posn-window (event-start event))))
7541 (let* ((pos (posn-point (event-start event)))
7542 (data (get-text-property pos 'gnus-data))
7543 (fun (get-text-property pos 'gnus-callback)))
7546 (funcall fun data))))
7548 (defun gnus-article-press-button ()
7549 "Check text at point for a callback function.
7550 If the text at point has a `gnus-callback' property,
7551 call it with the value of the `gnus-data' text property."
7553 (let ((data (get-text-property (point) 'gnus-data))
7554 (fun (get-text-property (point) 'gnus-callback)))
7556 (funcall fun data))))
7558 (defun gnus-article-highlight (&optional force)
7559 "Highlight current article.
7560 This function calls `gnus-article-highlight-headers',
7561 `gnus-article-highlight-citation',
7562 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
7563 do the highlighting. See the documentation for those functions."
7564 (interactive (list 'force))
7565 (gnus-article-highlight-headers)
7566 (gnus-article-highlight-citation force)
7567 (gnus-article-highlight-signature)
7568 (gnus-article-add-buttons force)
7569 (gnus-article-add-buttons-to-head))
7571 (defun gnus-article-highlight-some (&optional force)
7572 "Highlight current article.
7573 This function calls `gnus-article-highlight-headers',
7574 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
7575 do the highlighting. See the documentation for those functions."
7576 (interactive (list 'force))
7577 (gnus-article-highlight-headers)
7578 (gnus-article-highlight-signature)
7579 (gnus-article-add-buttons))
7581 (defun gnus-article-highlight-headers ()
7582 "Highlight article headers as specified by `gnus-header-face-alist'."
7584 (gnus-with-article-headers
7585 (let (regexp header-face field-face from hpoints fpoints)
7586 (dolist (entry gnus-header-face-alist)
7587 (goto-char (point-min))
7588 (setq regexp (concat "^\\("
7589 (if (string-equal "" (nth 0 entry))
7593 header-face (nth 1 entry)
7594 field-face (nth 2 entry))
7595 (while (and (re-search-forward regexp nil t)
7599 (unless (search-forward ":" nil t)
7601 (when (and header-face
7602 (not (memq (point) hpoints)))
7603 (push (point) hpoints)
7604 (gnus-put-text-property from (point) 'face header-face))
7605 (when (and field-face
7606 (not (memq (setq from (point)) fpoints)))
7608 (if (re-search-forward "^[^ \t]" nil t)
7610 (goto-char (point-max)))
7611 (gnus-put-text-property from (point) 'face field-face)))))))
7613 (defun gnus-article-highlight-signature ()
7614 "Highlight the signature in an article.
7615 It does this by highlighting everything after
7616 `gnus-signature-separator' using the face `gnus-signature'."
7618 (gnus-with-article-buffer
7619 (let ((inhibit-point-motion-hooks t))
7621 (when (and gnus-signature-face
7622 (gnus-article-narrow-to-signature))
7623 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max) nil t)
7624 'face gnus-signature-face)
7626 (gnus-article-search-signature)
7627 (let ((start (match-beginning 0))
7628 (end (set-marker (make-marker) (1+ (match-end 0)))))
7629 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
7632 (defun gnus-button-in-region-p (b e prop)
7633 "Say whether PROP exists in the region."
7634 (text-property-not-all b e prop nil))
7636 (defun gnus-article-add-buttons (&optional force)
7637 "Find external references in the article and make buttons of them.
7638 \"External references\" are things like Message-IDs and URLs, as
7639 specified by `gnus-button-alist'."
7640 (interactive (list 'force))
7641 (gnus-with-article-buffer
7642 (let ((inhibit-point-motion-hooks t)
7643 (case-fold-search t)
7644 (alist gnus-button-alist)
7646 ;; Remove all old markers.
7647 (let (marker entry new-list)
7648 (while (setq marker (pop gnus-button-marker-list))
7649 (if (or (< marker (point-min)) (>= marker (point-max)))
7650 (push marker new-list)
7652 (when (setq entry (gnus-button-entry))
7653 (put-text-property (match-beginning (nth 1 entry))
7654 (match-end (nth 1 entry))
7655 'gnus-callback nil))
7656 (set-marker marker nil)))
7657 (setq gnus-button-marker-list new-list))
7658 ;; We skip the headers.
7661 (while (setq entry (pop alist))
7662 (setq regexp (eval (car entry)))
7664 (while (re-search-forward regexp nil t)
7665 (let ((start (match-beginning (nth 1 entry)))
7666 (end (match-end (nth 1 entry)))
7667 (from (match-beginning 0)))
7668 (when (and (or (eq t (nth 2 entry))
7669 (eval (nth 2 entry)))
7670 (not (gnus-button-in-region-p
7671 start end 'gnus-callback)))
7672 ;; That optional form returned non-nil, so we add the
7674 (setq from (set-marker (make-marker) from))
7675 (push from gnus-button-marker-list)
7676 (unless (and (eq (car entry) 'gnus-button-url-regexp)
7677 (gnus-article-extend-url-button from start end))
7678 (gnus-article-add-button start end
7679 'gnus-button-push from)))))))))
7681 (defun gnus-article-extend-url-button (beg start end)
7682 "Extend url button if url is folded into two or more lines.
7683 Return non-nil if button is extended. BEG is a marker that points to
7684 the beginning position of a text containing url. START and END are
7685 the endpoints of a url button before it is extended. The concatenated
7686 url is put as the `gnus-button-url' overlay property on the button."
7687 (let ((opoint (point))
7688 (points (list start end))
7693 (not (looking-at "[\t ]*[\">]")))
7697 "\\(?:\"\\|\\(<\\)\\)[\t ]*\\(?:url[\t ]*:[\t ]*\\)?\\'"
7698 (buffer-substring (point-at-bol) start)))
7700 (setq url (list (buffer-substring start end))
7701 delim (if (match-beginning 1) ">" "\""))
7703 (setq regexp (concat
7704 (when (and (looking-at
7705 message-cite-prefix-regexp)
7706 (< (match-end 0) start))
7707 (regexp-quote (match-string 0)))
7709 \[\t ]*\\(?:\\([^\t\n \">]+\\)[\t ]*$\\|\\([^\t\n \">]*\\)[\t ]*"
7713 (and (looking-at regexp)
7716 (push (or (match-string 2)
7719 (push (setq end (or (match-end 2)
7722 (push (or (match-beginning 2)
7723 (match-beginning 1))
7725 (match-beginning 2)))
7726 (let (gnus-article-mouse-face widget-mouse-face)
7728 (gnus-article-add-button (pop points) (pop points)
7729 'gnus-button-push beg)))
7730 (let ((overlay (gnus-make-overlay start end)))
7731 (gnus-overlay-put overlay 'evaporate t)
7732 (gnus-overlay-put overlay 'gnus-button-url
7733 (list (mapconcat 'identity (nreverse url) "")))
7734 (when gnus-article-mouse-face
7735 (gnus-overlay-put overlay 'mouse-face gnus-article-mouse-face)))
7737 (goto-char opoint))))
7739 ;; Add buttons to the head of an article.
7740 (defun gnus-article-add-buttons-to-head ()
7741 "Add buttons to the head of the article."
7743 (gnus-with-article-headers
7745 (dolist (entry gnus-header-button-alist)
7746 ;; Each alist entry.
7747 (goto-char (point-min))
7748 (while (re-search-forward (car entry) nil t)
7749 ;; Each header matching the entry.
7750 (setq beg (match-beginning 0))
7751 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
7752 (match-beginning 0))
7755 (while (re-search-forward (eval (nth 1 entry)) end t)
7756 ;; Each match within a header.
7757 (let* ((entry (cdr entry))
7758 (start (match-beginning (nth 1 entry)))
7759 (end (match-end (nth 1 entry)))
7760 (form (nth 2 entry)))
7761 (goto-char (match-end 0))
7763 (gnus-article-add-button
7764 start end (nth 3 entry)
7765 (buffer-substring (match-beginning (nth 4 entry))
7766 (match-end (nth 4 entry)))))))
7767 (goto-char end))))))
7769 ;;; External functions:
7771 (defun gnus-article-add-button (from to fun &optional data)
7772 "Create a button between FROM and TO with callback FUN and data DATA."
7773 (when gnus-article-button-face
7774 (gnus-overlay-put (gnus-make-overlay from to nil t)
7775 'face gnus-article-button-face))
7776 (gnus-add-text-properties
7778 (nconc (and gnus-article-mouse-face
7779 (list gnus-mouse-face-prop gnus-article-mouse-face))
7780 (list 'gnus-callback fun)
7781 (and data (list 'gnus-data data))))
7782 (widget-convert-button 'link from to :action 'gnus-widget-press-button
7783 :button-keymap gnus-widget-button-keymap))
7785 ;;; Internal functions:
7787 (defun gnus-article-set-globals ()
7788 (with-current-buffer gnus-summary-buffer
7789 (gnus-set-global-variables)))
7791 (defun gnus-signature-toggle (end)
7792 (gnus-with-article-buffer
7793 (let ((inhibit-point-motion-hooks t))
7794 (if (text-property-any end (point-max) 'article-type 'signature)
7796 (gnus-delete-wash-type 'signature)
7797 (gnus-remove-text-properties-when
7798 'article-type 'signature end (point-max)
7799 (cons 'article-type (cons 'signature
7800 gnus-hidden-properties))))
7801 (gnus-add-wash-type 'signature)
7802 (gnus-add-text-properties-when
7803 'article-type nil end (point-max)
7804 (cons 'article-type (cons 'signature
7805 gnus-hidden-properties)))))
7806 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
7807 (gnus-set-mode-line 'article))))
7809 (defun gnus-button-entry ()
7810 ;; Return the first entry in `gnus-button-alist' matching this place.
7811 (let ((alist gnus-button-alist)
7814 (setq entry (pop alist))
7815 (if (looking-at (eval (car entry)))
7820 (defun gnus-button-push (marker)
7821 ;; Push button starting at MARKER.
7824 (let* ((entry (gnus-button-entry))
7825 (inhibit-point-motion-hooks t)
7827 (args (or (and (eq (car entry) 'gnus-button-url-regexp)
7828 (get-char-property marker 'gnus-button-url))
7829 (mapcar (lambda (group)
7830 (let ((string (match-string group)))
7831 (set-text-properties
7832 0 (length string) nil string)
7834 (nthcdr 4 entry)))))
7839 (fboundp (symbol-value fun)))
7840 (apply (symbol-value fun) args))
7842 (gnus-message 1 "You must define `%S' to use this button"
7843 (cons fun args)))))))
7845 (defun gnus-parse-news-url (url)
7846 (let (scheme server port group message-id articles)
7849 (goto-char (point-min))
7850 (when (looking-at "\\([A-Za-z]+\\):")
7851 (setq scheme (match-string 1))
7852 (goto-char (match-end 0)))
7853 (when (looking-at "//\\([^:/]+\\)\\(:?\\)\\([0-9]+\\)?/")
7854 (setq server (match-string 1))
7855 (setq port (if (stringp (match-string 3))
7856 (string-to-number (match-string 3))
7858 (goto-char (match-end 0)))
7861 ((looking-at "\\(.*@.*\\)")
7862 (setq message-id (match-string 1)))
7863 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
7864 (setq group (match-string 1)
7865 articles (split-string (match-string 2) "-")))
7866 ((looking-at "\\([^/]+\\)/?")
7867 (setq group (match-string 1)))
7869 (error "Unknown news URL syntax"))))
7870 (list scheme server port group message-id articles)))
7872 (defun gnus-button-handle-news (url)
7874 (destructuring-bind (scheme server port group message-id articles)
7875 (gnus-parse-news-url url)
7878 (with-current-buffer gnus-summary-buffer
7880 (let ((gnus-refer-article-method
7881 (nconc (list (list 'nntp server))
7882 gnus-refer-article-method))
7883 (nntp-port-number (or port "nntp")))
7884 (gnus-message 7 "Fetching %s with %s"
7885 message-id gnus-refer-article-method)
7886 (gnus-summary-refer-article message-id))
7887 (gnus-summary-refer-article message-id))))
7889 (gnus-button-fetch-group url)))))
7891 (defun gnus-button-patch (library line)
7892 "Visit an Emacs Lisp library LIBRARY on line LINE."
7894 (let ((file (locate-library (file-name-nondirectory library))))
7896 (error "Couldn't find library %s" library))
7898 (goto-line (string-to-number line))))
7900 (defun gnus-button-handle-man (url)
7902 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7903 (when (eq gnus-button-man-handler 'woman)
7904 (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" "")))
7905 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7906 (funcall gnus-button-man-handler url))
7908 (defun gnus-button-handle-info-url (url)
7909 "Fetch an info URL."
7910 (setq url (mm-subst-char-in-string ?+ ?\ url))
7912 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
7913 (gnus-info-find-node
7914 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
7916 ")" (gnus-url-unhex-string (match-string 2 url)))))
7917 ((string-match "([^)\"]+)[^\"]+" url)
7919 (gnus-replace-in-string
7920 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
7921 (gnus-info-find-node url))
7922 (t (error "Can't parse %s" url))))
7924 (defun gnus-button-handle-info-url-gnome (url)
7925 "Fetch GNOME style info URL."
7926 (setq url (mm-subst-char-in-string ?_ ?\ url))
7927 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
7928 (gnus-info-find-node
7930 (gnus-url-unhex-string
7931 (match-string 1 url))
7933 (or (gnus-url-unhex-string
7934 (match-string 2 url))
7936 (error "Can't parse %s" url)))
7938 (defun gnus-button-handle-info-url-kde (url)
7939 "Fetch KDE style info URL."
7940 (gnus-info-find-node (gnus-url-unhex-string url)))
7942 ;; (info) will autoload info.el
7943 (declare-function Info-menu "info" (menu-item &optional fork))
7944 (declare-function Info-index-next "info" (num))
7946 (defun gnus-button-handle-info-keystrokes (url)
7947 "Call `info' when pushing the corresponding URL button."
7948 ;; For links like `C-h i d m gnus RET part RET , ,', `C-h i d m CC Mode RET'.
7949 (let (node indx comma)
7951 (concat "\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+"
7952 "\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
7953 "\\([ \t\n]+i[ \t\n]+[^ ]+ ?[^ ]+[ \t\n]+RET"
7954 "\\(?:[ \t\n,]*\\)\\)?")
7956 (setq node (match-string 2 url)
7957 indx (match-string 3 url))
7958 (error "Can't parse %s" url))
7962 (when (> (length indx) 0)
7963 (string-match (concat "[ \t\n]+i[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
7966 (setq comma (match-string 2 indx))
7967 (setq indx (match-string 1 indx))
7970 (dotimes (i (with-temp-buffer
7972 ;; Note: the XEmacs version of `how-many' takes
7973 ;; no optional argument.
7974 (goto-char (point-min))
7976 (Info-index-next 1)))
7979 ;; Called after pgg-snarf-keys-region, which autoloads pgg.el.
7980 (declare-function pgg-display-output-buffer "pgg" (start end status))
7982 (defun gnus-button-openpgp (url)
7983 "Retrieve and add an OpenPGP key given URL from an OpenPGP header."
7985 (mm-url-insert-file-contents-external url)
7986 (pgg-snarf-keys-region (point-min) (point-max))
7987 (pgg-display-output-buffer nil nil nil)))
7989 (defun gnus-button-message-id (message-id)
7991 (with-current-buffer gnus-summary-buffer
7992 (gnus-summary-refer-article message-id)))
7994 (defun gnus-button-fetch-group (address &rest ignore)
7995 "Fetch GROUP specified by ADDRESS."
7996 (when (string-match "\\`\\(nntp\\|news\\):\\(//\\)?\\(.*\\)\\'"
7998 ;; Allow to use `gnus-button-fetch-group' in `browse-url-browser-function'
7999 ;; for nntp:// and news://
8000 (setq address (match-string 3 address)))
8001 (if (not (string-match "[:/]" address))
8002 ;; This is just a simple group url.
8003 (gnus-group-read-ephemeral-group address gnus-select-method)
8006 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
8008 (error "Can't parse %s" address)
8009 (gnus-group-read-ephemeral-group
8010 (match-string 4 address)
8011 `(nntp ,(match-string 1 address)
8012 (nntp-address ,(match-string 1 address))
8013 (nntp-port-number ,(if (match-end 3)
8014 (match-string 3 address)
8017 (and (match-end 6) (list (string-to-number (match-string 6 address))))))))
8019 (defun gnus-url-parse-query-string (query &optional downcase)
8020 (let (retval pairs cur key val)
8021 (setq pairs (split-string query "&"))
8023 (setq cur (car pairs)
8025 (if (not (string-match "=" cur))
8027 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
8028 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
8030 (setq key (downcase key)))
8031 (setq cur (assoc key retval))
8033 (setcdr cur (cons val (cdr cur)))
8034 (setq retval (cons (list key val) retval)))))
8037 (defun gnus-url-mailto (url)
8038 ;; Send mail to someone
8039 (when (string-match "mailto:/*\\(.*\\)" url)
8040 (setq url (substring url (match-beginning 1) nil)))
8041 (let (to args subject func)
8042 (setq args (gnus-url-parse-query-string
8043 (if (string-match "^\\?" url)
8045 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
8046 (concat "to=" (match-string 1 url) "&"
8047 (match-string 2 url))
8048 (concat "to=" url)))
8050 subject (cdr-safe (assoc "subject" args)))
8053 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
8056 (message-position-on-field (caar args)))
8057 (insert (gnus-replace-in-string
8058 (mapconcat 'identity (reverse (cdar args)) ", ")
8060 (setq args (cdr args)))
8063 (message-goto-subject))))
8065 (defun gnus-button-embedded-url (address)
8066 "Activate ADDRESS with `browse-url'."
8067 (browse-url (gnus-strip-whitespace address)))
8069 ;;; Next/prev buttons in the article buffer.
8071 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
8072 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
8074 (defvar gnus-prev-page-map
8075 (let ((map (make-sparse-keymap)))
8076 (define-key map gnus-mouse-2 'gnus-button-prev-page)
8077 (define-key map "\r" 'gnus-button-prev-page)
8080 (defvar gnus-next-page-map
8081 (let ((map (make-sparse-keymap)))
8082 (unless (>= emacs-major-version 21)
8083 ;; XEmacs doesn't care.
8084 (set-keymap-parent map gnus-article-mode-map))
8085 (define-key map gnus-mouse-2 'gnus-button-next-page)
8086 (define-key map "\r" 'gnus-button-next-page)
8089 (defun gnus-insert-prev-page-button ()
8091 (inhibit-read-only t))
8093 gnus-prev-page-line-format nil
8094 `(keymap ,gnus-prev-page-map
8096 gnus-callback gnus-article-button-prev-page
8097 article-type annotation))
8099 ;; Exclude a newline.
8102 (when gnus-article-button-face
8103 (gnus-overlay-put (gnus-make-overlay b e nil t)
8104 'face gnus-article-button-face))
8105 (widget-convert-button
8107 :action 'gnus-button-prev-page
8108 :button-keymap gnus-prev-page-map)))
8110 (defun gnus-button-next-page (&optional args more-args)
8111 "Go to the next page."
8113 (let ((win (selected-window)))
8114 (select-window (gnus-get-buffer-window gnus-article-buffer t))
8115 (gnus-article-next-page)
8116 (select-window win)))
8118 (defun gnus-button-prev-page (&optional args more-args)
8119 "Go to the prev page."
8121 (let ((win (selected-window)))
8122 (select-window (gnus-get-buffer-window gnus-article-buffer t))
8123 (gnus-article-prev-page)
8124 (select-window win)))
8126 (defun gnus-insert-next-page-button ()
8128 (inhibit-read-only t))
8129 (gnus-eval-format gnus-next-page-line-format nil
8130 `(keymap ,gnus-next-page-map
8132 gnus-callback gnus-article-button-next-page
8133 article-type annotation))
8135 ;; Exclude a newline.
8138 (when gnus-article-button-face
8139 (gnus-overlay-put (gnus-make-overlay b e nil t)
8140 'face gnus-article-button-face))
8141 (widget-convert-button
8143 :action 'gnus-button-next-page
8144 :button-keymap gnus-next-page-map)))
8146 (defun gnus-article-button-next-page (arg)
8147 "Go to the next page."
8149 (let ((win (selected-window)))
8150 (select-window (gnus-get-buffer-window gnus-article-buffer t))
8151 (gnus-article-next-page)
8152 (select-window win)))
8154 (defun gnus-article-button-prev-page (arg)
8155 "Go to the prev page."
8157 (let ((win (selected-window)))
8158 (select-window (gnus-get-buffer-window gnus-article-buffer t))
8159 (gnus-article-prev-page)
8160 (select-window win)))
8162 (defvar gnus-decode-header-methods
8163 '(mail-decode-encoded-word-region)
8164 "List of methods used to decode headers.
8166 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
8167 is FUNCTION, FUNCTION will be applied to all newsgroups. If item is a
8168 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
8169 whose names match REGEXP.
8172 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
8173 mail-decode-encoded-word-region
8174 (\"chinese\" . rfc1843-decode-region))
8177 (defvar gnus-decode-header-methods-cache nil)
8179 (defun gnus-multi-decode-header (start end)
8180 "Apply the functions from `gnus-encoded-word-methods' that match."
8181 (unless (and gnus-decode-header-methods-cache
8182 (eq gnus-newsgroup-name
8183 (car gnus-decode-header-methods-cache)))
8184 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
8185 (dolist (x gnus-decode-header-methods)
8187 (nconc gnus-decode-header-methods-cache (list x))
8188 (if (and gnus-newsgroup-name
8189 (string-match (car x) gnus-newsgroup-name))
8190 (nconc gnus-decode-header-methods-cache
8192 (let ((xlist gnus-decode-header-methods-cache))
8195 (narrow-to-region start end)
8197 (funcall (pop xlist) (point-min) (point-max))))))
8200 ;;; Treatment top-level handling.
8203 (defun gnus-treat-article (condition &optional part-number total-parts type)
8204 (let ((length (- (point-max) (point-min)))
8205 (alist gnus-treatment-function-alist)
8206 (article-goto-body-goes-to-point-min-p t)
8210 (let ((list gnus-article-treat-types))
8212 (when (string-match (pop list) type)
8213 (throw 'found t)))))))
8214 (highlightp (gnus-visual-p 'article-highlight 'highlight))
8216 (gnus-run-hooks 'gnus-part-display-hook)
8217 (dolist (elem alist)
8220 (when (gnus-buffer-live-p gnus-summary-buffer)
8221 (set-buffer gnus-summary-buffer))
8222 (symbol-value (car elem))))
8223 (when (and (or (consp val)
8225 (gnus-treat-predicate val)
8226 (or (not (get (car elem) 'highlight))
8229 (funcall (cadr elem)))))))
8231 ;; Dynamic variables.
8232 (defvar part-number)
8233 (defvar total-parts)
8238 (defun gnus-treat-predicate (val)
8245 (stringp (car val)))
8246 (apply 'gnus-or (mapcar `(lambda (s)
8247 (string-match s ,(or gnus-newsgroup-name "")))
8250 (let ((pred (pop val)))
8253 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
8255 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
8257 (not (gnus-treat-predicate (car val))))
8259 (equal (car val) type))
8261 (error "%S is not a valid predicate" pred)))))
8269 (eq part-number total-parts))
8273 (error "%S is not a valid value" val))))
8275 (defun gnus-article-encrypt-body (protocol &optional n)
8276 "Encrypt the article body."
8279 (or gnus-article-encrypt-protocol
8280 (completing-read "Encrypt protocol: "
8281 gnus-article-encrypt-protocol-alist
8283 current-prefix-arg))
8284 ;; User might hit `K E' instead of `K e', so prompt once.
8285 (when (and gnus-article-encrypt-protocol
8287 (unless (gnus-y-or-n-p "Really encrypt article(s)? ")
8288 (error "Encrypt aborted.")))
8289 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
8291 (error "Can't find the encrypt protocol %s" protocol))
8292 (if (member gnus-newsgroup-name '("nndraft:delayed"
8295 (error "Can't encrypt the article in group %s"
8296 gnus-newsgroup-name))
8297 (gnus-summary-iterate n
8298 (with-current-buffer gnus-summary-buffer
8299 (let ((mail-parse-charset gnus-newsgroup-charset)
8300 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
8301 (summary-buffer gnus-summary-buffer)
8303 (gnus-set-global-variables)
8304 (when (gnus-group-read-only-p)
8305 (error "The current newsgroup does not support article encrypt"))
8306 (gnus-summary-show-article t)
8308 (or (mail-header-references gnus-current-headers) ""))
8309 (set-buffer gnus-article-buffer)
8310 (let* ((inhibit-read-only t)
8312 (mapcar (lambda (field)
8313 (and (save-restriction
8314 (message-narrow-to-head)
8315 (goto-char (point-min))
8316 (search-forward field nil t))
8318 (message-narrow-to-field)
8320 (delete-region (point-min) (point-max))
8322 '("Content-Type:" "Content-Transfer-Encoding:"
8323 "Content-Disposition:"))))
8324 (message-narrow-to-head)
8325 (message-remove-header "MIME-Version")
8326 (goto-char (point-max))
8327 (setq point (point))
8328 (insert (apply 'concat headers))
8330 (narrow-to-region point (point-max))
8331 (let ((message-options message-options))
8332 (message-options-set 'message-sender user-mail-address)
8333 (message-options-set 'message-recipients user-mail-address)
8334 (message-options-set 'message-sign-encrypt 'not)
8336 (goto-char (point-min))
8337 (insert "MIME-Version: 1.0\n")
8339 (gnus-summary-edit-article-done
8340 references nil summary-buffer t))
8341 (when gnus-keep-backlog
8342 (gnus-backlog-remove-article
8343 (car gnus-article-current) (cdr gnus-article-current)))
8344 (when (get-buffer gnus-original-article-buffer)
8345 (with-current-buffer gnus-original-article-buffer
8346 (setq gnus-original-article nil)))
8347 (when gnus-use-cache
8348 (gnus-cache-update-article
8349 (car gnus-article-current) (cdr gnus-article-current))))))))
8351 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
8352 "The following specs can be used:
8353 %t The security MIME type
8356 %D Details if button is pressed")
8358 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
8359 "The following specs can be used:
8360 %t The security MIME type
8363 %D Details if button is pressed")
8365 (defvar gnus-mime-security-button-line-format-alist
8366 '((?t gnus-tmp-type ?s)
8367 (?i gnus-tmp-info ?s)
8368 (?d gnus-tmp-details ?s)
8369 (?D gnus-tmp-pressed-details ?s)))
8371 (defvar gnus-mime-security-button-commands
8372 '((gnus-article-press-button "\r" "Show Detail")
8376 (gnus-mime-security-save-part "o" "Save...")
8385 (gnus-mime-security-pipe-part "|" "Pipe To Command...")
8388 (defvar gnus-mime-security-button-map
8389 (let ((map (make-sparse-keymap)))
8390 (define-key map gnus-mouse-2 'gnus-article-push-button)
8391 (define-key map gnus-down-mouse-3 'gnus-mime-security-button-menu)
8392 (dolist (c gnus-mime-security-button-commands)
8393 (define-key map (cadr c) (car c)))
8397 gnus-mime-security-button-menu gnus-mime-security-button-map
8398 "Security button menu."
8402 (unless (eq (car c) 'undefined)
8403 (vector (caddr c) (car c) :active t)))
8404 gnus-mime-security-button-commands))))
8406 (defun gnus-mime-security-button-menu (event prefix)
8407 "Construct a context-sensitive menu of security commands."
8408 (interactive "e\nP")
8409 (save-window-excursion
8410 (let ((pos (event-start event)))
8411 (select-window (posn-window pos))
8412 (goto-char (posn-point pos))
8413 (gnus-article-check-buffer)
8414 (popup-menu gnus-mime-security-button-menu nil prefix))))
8416 (defvar gnus-mime-security-details-buffer nil)
8418 (defvar gnus-mime-security-button-pressed nil)
8420 (defvar gnus-mime-security-show-details-inline t
8421 "If non-nil, show details in the article buffer.")
8423 (defun gnus-mime-security-verify-or-decrypt (handle)
8424 (mm-remove-parts (cdr handle))
8425 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
8426 point (inhibit-read-only t))
8428 (goto-char (car region)))
8429 (setq point (point))
8430 (with-current-buffer (mm-handle-multipart-original-buffer handle)
8431 (let* ((mm-verify-option 'known)
8432 (mm-decrypt-option 'known)
8433 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
8434 (unless (eq nparts (cdr handle))
8435 (mm-destroy-parts (cdr handle))
8436 (setcdr handle nparts))))
8437 (gnus-mime-display-security handle)
8439 (delete-region (point) (cdr region))
8440 (set-marker (car region) nil)
8441 (set-marker (cdr region) nil))
8444 (defun gnus-mime-security-show-details (handle)
8445 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
8447 (gnus-message 5 "No details.")
8448 (if gnus-mime-security-show-details-inline
8449 (let ((gnus-mime-security-button-pressed
8450 (not (get-text-property (point) 'gnus-mime-details)))
8451 (gnus-mime-security-button-line-format
8452 (get-text-property (point) 'gnus-line-format))
8453 (inhibit-read-only t))
8455 (while (eq (get-text-property (point) 'gnus-line-format)
8456 gnus-mime-security-button-line-format)
8460 (narrow-to-region (point) (point))
8461 (gnus-insert-mime-security-button handle))
8462 (delete-region (point)
8463 (or (text-property-not-all
8466 gnus-mime-security-button-line-format)
8469 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
8470 (with-current-buffer gnus-mime-security-details-buffer
8473 (setq gnus-mime-security-details-buffer
8474 (gnus-get-buffer-create "*MIME Security Details*")))
8475 (with-current-buffer gnus-mime-security-details-buffer
8477 (goto-char (point-min)))
8478 (pop-to-buffer gnus-mime-security-details-buffer)))))
8480 (defun gnus-mime-security-press-button (handle)
8482 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
8483 (gnus-mime-security-show-details handle)
8484 (gnus-mime-security-verify-or-decrypt handle))))
8486 (defun gnus-insert-mime-security-button (handle &optional displayed)
8487 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
8490 (or (nth 2 (assoc protocol mm-verify-function-alist))
8491 (nth 2 (assoc protocol mm-decrypt-function-alist))
8493 (if (equal (car handle) "multipart/signed")
8494 " Signed" " Encrypted")
8497 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
8500 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
8501 gnus-tmp-pressed-details
8503 (setq gnus-tmp-details
8504 (if gnus-tmp-details
8505 (concat "\n" gnus-tmp-details)
8507 (setq gnus-tmp-pressed-details
8508 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
8513 gnus-mime-security-button-line-format
8514 gnus-mime-security-button-line-format-alist
8515 `(keymap ,gnus-mime-security-button-map
8516 gnus-callback gnus-mime-security-press-button
8517 gnus-line-format ,gnus-mime-security-button-line-format
8518 gnus-mime-details ,gnus-mime-security-button-pressed
8519 article-type annotation
8522 ;; Exclude a newline.
8525 (when gnus-article-button-face
8526 (gnus-overlay-put (gnus-make-overlay b e nil t)
8527 'face gnus-article-button-face))
8528 (widget-convert-button
8531 :action 'gnus-widget-press-button
8532 :button-keymap gnus-mime-security-button-map
8534 (lambda (widget/window &optional overlay pos)
8535 ;; Needed to properly clear the message due to a bug in
8536 ;; wid-edit (XEmacs only).
8537 (when (boundp 'help-echo-owns-message)
8538 (setq help-echo-owns-message t))
8540 "%S: show detail; %S: more options"
8541 (aref gnus-mouse-2 0)
8542 (aref gnus-down-mouse-3 0))))))
8544 (defun gnus-mime-display-security (handle)
8546 (narrow-to-region (point) (point))
8547 (unless (gnus-unbuttonized-mime-type-p (car handle))
8548 (gnus-insert-mime-security-button handle))
8549 (gnus-mime-display-part (cadr handle))
8552 (unless (gnus-unbuttonized-mime-type-p (car handle))
8553 (let ((gnus-mime-security-button-line-format
8554 gnus-mime-security-button-end-line-format))
8555 (gnus-insert-mime-security-button handle)))
8556 (mm-set-handle-multipart-parameter
8558 (cons (set-marker (make-marker) (point-min))
8559 (set-marker (make-marker) (point-max))))
8560 (goto-char (point-max))))
8562 (defun gnus-mime-security-run-function (function)
8563 "Run FUNCTION with the security part under point."
8564 (gnus-article-check-buffer)
8565 (let ((data (get-text-property (point) 'gnus-data))
8567 (when (and (stringp (car-safe data))
8568 (setq buffer (mm-handle-multipart-original-buffer data))
8569 (setq handle (cadr data)))
8570 (if (bufferp (mm-handle-buffer handle))
8572 (setq handle (cons buffer (copy-sequence (cdr handle))))
8573 (mm-handle-set-undisplayer handle nil))
8574 (setq handle (mm-make-handle
8576 (mm-handle-multipart-ctl-parameter handle 'protocol)
8577 nil nil nil nil nil nil)))
8578 (funcall function handle))))
8580 (defun gnus-mime-security-save-part ()
8581 "Save the security part under point."
8583 (gnus-mime-security-run-function 'mm-save-part))
8585 (defun gnus-mime-security-pipe-part ()
8586 "Pipe the security part under point to a process."
8588 (gnus-mime-security-run-function 'mm-pipe-part))
8594 (run-hooks 'gnus-art-load-hook)
8596 ;; arch-tag: 2654516f-6279-48f9-a83b-05c1fa450c33
8597 ;;; gnus-art.el ends here