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eec82323 | 1 | ;;; gnus-art.el --- article mode commands for Gnus |
6748645f | 2 | ;; Copyright (C) 1996,97,98 Free Software Foundation, Inc. |
eec82323 | 3 | |
6748645f | 4 | ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org> |
eec82323 LMI |
5 | ;; Keywords: news |
6 | ||
7 | ;; This file is part of GNU Emacs. | |
8 | ||
9 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
10 | ;; it under the terms of the GNU General Public License as published by | |
11 | ;; the Free Software Foundation; either version 2, or (at your option) | |
12 | ;; any later version. | |
13 | ||
14 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
15 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | ;; GNU General Public License for more details. | |
18 | ||
19 | ;; You should have received a copy of the GNU General Public License | |
20 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
21 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
22 | ;; Boston, MA 02111-1307, USA. | |
23 | ||
24 | ;;; Commentary: | |
25 | ||
26 | ;;; Code: | |
27 | ||
5ab7173c RS |
28 | (eval-when-compile (require 'cl)) |
29 | ||
6748645f LMI |
30 | (eval-when-compile (require 'cl)) |
31 | ||
eec82323 LMI |
32 | (require 'custom) |
33 | (require 'gnus) | |
34 | (require 'gnus-sum) | |
35 | (require 'gnus-spec) | |
36 | (require 'gnus-int) | |
37 | (require 'browse-url) | |
38 | ||
39 | (defgroup gnus-article nil | |
40 | "Article display." | |
41 | :link '(custom-manual "(gnus)The Article Buffer") | |
42 | :group 'gnus) | |
43 | ||
44 | (defgroup gnus-article-hiding nil | |
45 | "Hiding article parts." | |
46 | :link '(custom-manual "(gnus)Article Hiding") | |
47 | :group 'gnus-article) | |
48 | ||
49 | (defgroup gnus-article-highlight nil | |
50 | "Article highlighting." | |
51 | :link '(custom-manual "(gnus)Article Highlighting") | |
52 | :group 'gnus-article | |
53 | :group 'gnus-visual) | |
54 | ||
55 | (defgroup gnus-article-signature nil | |
56 | "Article signatures." | |
57 | :link '(custom-manual "(gnus)Article Signature") | |
58 | :group 'gnus-article) | |
59 | ||
60 | (defgroup gnus-article-headers nil | |
61 | "Article headers." | |
62 | :link '(custom-manual "(gnus)Hiding Headers") | |
63 | :group 'gnus-article) | |
64 | ||
65 | (defgroup gnus-article-washing nil | |
66 | "Special commands on articles." | |
67 | :link '(custom-manual "(gnus)Article Washing") | |
68 | :group 'gnus-article) | |
69 | ||
70 | (defgroup gnus-article-emphasis nil | |
71 | "Fontisizing articles." | |
72 | :link '(custom-manual "(gnus)Article Fontisizing") | |
73 | :group 'gnus-article) | |
74 | ||
75 | (defgroup gnus-article-saving nil | |
76 | "Saving articles." | |
77 | :link '(custom-manual "(gnus)Saving Articles") | |
78 | :group 'gnus-article) | |
79 | ||
80 | (defgroup gnus-article-mime nil | |
81 | "Worshiping the MIME wonder." | |
82 | :link '(custom-manual "(gnus)Using MIME") | |
83 | :group 'gnus-article) | |
84 | ||
85 | (defgroup gnus-article-buttons nil | |
86 | "Pushable buttons in the article buffer." | |
87 | :link '(custom-manual "(gnus)Article Buttons") | |
88 | :group 'gnus-article) | |
89 | ||
90 | (defgroup gnus-article-various nil | |
91 | "Other article options." | |
92 | :link '(custom-manual "(gnus)Misc Article") | |
93 | :group 'gnus-article) | |
94 | ||
95 | (defcustom gnus-ignored-headers | |
6748645f LMI |
96 | '("^Path:" "^Expires:" "^Date-Received:" "^References:" "^Xref:" "^Lines:" |
97 | "^Relay-Version:" "^Message-ID:" "^Approved:" "^Sender:" "^Received:" | |
98 | "^X-UIDL:" "^MIME-Version:" "^Return-Path:" "^In-Reply-To:" | |
99 | "^Content-Type:" "^Content-Transfer-Encoding:" "^X-WebTV-Signature:" | |
100 | "^X-MimeOLE:" "^X-MSMail-Priority:" "^X-Priority:" "^X-Loop:" | |
101 | "^X-Authentication-Warning:" "^X-MIME-Autoconverted:" "^X-Face:" | |
102 | "^X-Attribution:" "^X-Originating-IP:" "^Delivered-To:" | |
103 | "^NNTP-[-A-Za-z]+:" "^Distribution:" "^X-no-archive:" "^X-Trace:" | |
104 | "^X-Complaints-To:" "^X-NNTP-Posting-Host:" "^X-Orig.*:" | |
105 | "^Abuse-Reports-To:" "^Cache-Post-Path:" "^X-Article-Creation-Date:" | |
106 | "^X-Poster:" "^X-Mail2News-Path:" "^X-Server-Date:" "^X-Cache:" | |
107 | "^Originator:" "^X-Problems-To:" "^X-Auth-User:" "^X-Post-Time:" | |
108 | "^X-Admin:" "^X-UID:" "^Resent-[-A-Za-z]+:" "^X-Mailing-List:" | |
109 | "^Precedence:" "^Original-[-A-Za-z]+:" "^X-filename:" "^X-Orcpt:" | |
110 | "^Old-Received:" "^X-Pgp-Fingerprint:" "^X-Pgp-Key-Id:" | |
111 | "^X-Pgp-Public-Key-Url:" "^X-Auth:" "^X-From-Line:" | |
112 | "^X-Gnus-Article-Number:" "^X-Majordomo:" "^X-Url:" "^X-Sender:" | |
113 | "^X-Mailing-List:" "^MBOX-Line" "^Priority:" "^X-Pgp" "^X400-[-A-Za-z]+:" | |
114 | "^Status:") | |
115 | "*All headers that start with this regexp will be hidden. | |
eec82323 LMI |
116 | This variable can also be a list of regexps of headers to be ignored. |
117 | If `gnus-visible-headers' is non-nil, this variable will be ignored." | |
118 | :type '(choice :custom-show nil | |
119 | regexp | |
120 | (repeat regexp)) | |
121 | :group 'gnus-article-hiding) | |
122 | ||
123 | (defcustom gnus-visible-headers | |
6748645f LMI |
124 | "From:\\|^Newsgroups:\\|^Subject:\\|^Date:\\|^Followup-To:\\|^Reply-To:\\|^Organization:\\|^Summary:\\|^Keywords:\\|^To:\\|^Cc:\\|^Posted-To:\\|^Mail-Copies-To:\\|^Apparently-To:\\|^Gnus-Warning:\\|^Resent-From:\\|X-Sent:" |
125 | "*All headers that do not match this regexp will be hidden. | |
eec82323 LMI |
126 | This variable can also be a list of regexp of headers to remain visible. |
127 | If this variable is non-nil, `gnus-ignored-headers' will be ignored." | |
128 | :type '(repeat :value-to-internal (lambda (widget value) | |
129 | (custom-split-regexp-maybe value)) | |
130 | :match (lambda (widget value) | |
131 | (or (stringp value) | |
132 | (widget-editable-list-match widget value))) | |
133 | regexp) | |
134 | :group 'gnus-article-hiding) | |
135 | ||
136 | (defcustom gnus-sorted-header-list | |
137 | '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:" | |
138 | "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:") | |
6748645f | 139 | "*This variable is a list of regular expressions. |
eec82323 LMI |
140 | If it is non-nil, headers that match the regular expressions will |
141 | be placed first in the article buffer in the sequence specified by | |
142 | this list." | |
143 | :type '(repeat regexp) | |
144 | :group 'gnus-article-hiding) | |
145 | ||
146 | (defcustom gnus-boring-article-headers '(empty followup-to reply-to) | |
147 | "Headers that are only to be displayed if they have interesting data. | |
148 | Possible values in this list are `empty', `newsgroups', `followup-to', | |
6748645f | 149 | `reply-to', `date', `long-to', and `many-to'." |
eec82323 LMI |
150 | :type '(set (const :tag "Headers with no content." empty) |
151 | (const :tag "Newsgroups with only one group." newsgroups) | |
152 | (const :tag "Followup-to identical to newsgroups." followup-to) | |
153 | (const :tag "Reply-to identical to from." reply-to) | |
6748645f LMI |
154 | (const :tag "Date less than four days old." date) |
155 | (const :tag "Very long To header." long-to) | |
156 | (const :tag "Multiple To headers." many-to)) | |
eec82323 LMI |
157 | :group 'gnus-article-hiding) |
158 | ||
159 | (defcustom gnus-signature-separator '("^-- $" "^-- *$") | |
160 | "Regexp matching signature separator. | |
161 | This can also be a list of regexps. In that case, it will be checked | |
162 | from head to tail looking for a separator. Searches will be done from | |
163 | the end of the buffer." | |
164 | :type '(repeat string) | |
165 | :group 'gnus-article-signature) | |
166 | ||
167 | (defcustom gnus-signature-limit nil | |
168 | "Provide a limit to what is considered a signature. | |
169 | If it is a number, no signature may not be longer (in characters) than | |
170 | that number. If it is a floating point number, no signature may be | |
171 | longer (in lines) than that number. If it is a function, the function | |
172 | will be called without any parameters, and if it returns nil, there is | |
173 | no signature in the buffer. If it is a string, it will be used as a | |
174 | regexp. If it matches, the text in question is not a signature." | |
6748645f LMI |
175 | :type '(choice (integer :value 200) |
176 | (number :value 4.0) | |
177 | (function :value fun) | |
178 | (regexp :value ".*")) | |
eec82323 LMI |
179 | :group 'gnus-article-signature) |
180 | ||
181 | (defcustom gnus-hidden-properties '(invisible t intangible t) | |
182 | "Property list to use for hiding text." | |
183 | :type 'sexp | |
184 | :group 'gnus-article-hiding) | |
185 | ||
186 | (defcustom gnus-article-x-face-command | |
187 | "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | xv -quit -" | |
6748645f | 188 | "*String or function to be executed to display an X-Face header. |
eec82323 LMI |
189 | If it is a string, the command will be executed in a sub-shell |
190 | asynchronously. The compressed face will be piped to this command." | |
191 | :type 'string ;Leave function case to Lisp. | |
192 | :group 'gnus-article-washing) | |
193 | ||
194 | (defcustom gnus-article-x-face-too-ugly nil | |
195 | "Regexp matching posters whose face shouldn't be shown automatically." | |
4bb6a3a6 | 196 | :type '(choice regexp (const nil)) |
eec82323 LMI |
197 | :group 'gnus-article-washing) |
198 | ||
199 | (defcustom gnus-emphasis-alist | |
200 | (let ((format | |
201 | "\\(\\s-\\|^\\|[-\"]\\|\\s(\\|\\s)\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\s-\\|[-?!.,;:\"]\\|\\s(\\|\\s)\\)") | |
202 | (types | |
203 | '(("_" "_" underline) | |
204 | ("/" "/" italic) | |
205 | ("\\*" "\\*" bold) | |
206 | ("_/" "/_" underline-italic) | |
207 | ("_\\*" "\\*_" underline-bold) | |
208 | ("\\*/" "/\\*" bold-italic) | |
209 | ("_\\*/" "/\\*_" underline-bold-italic)))) | |
210 | `(("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)" | |
211 | 2 3 gnus-emphasis-underline) | |
212 | ,@(mapcar | |
213 | (lambda (spec) | |
214 | (list | |
215 | (format format (car spec) (cadr spec)) | |
c2a2ac1a | 216 | 2 3 (intern (format "gnus-emphasis-%s" (nth 2 spec))))) |
eec82323 | 217 | types))) |
6748645f | 218 | "*Alist that says how to fontify certain phrases. |
eec82323 LMI |
219 | Each item looks like this: |
220 | ||
221 | (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline) | |
222 | ||
223 | The first element is a regular expression to be matched. The second | |
224 | is a number that says what regular expression grouping used to find | |
225 | the entire emphasized word. The third is a number that says what | |
226 | regexp grouping should be displayed and highlighted. The fourth | |
227 | is the face used for highlighting." | |
228 | :type '(repeat (list :value ("" 0 0 default) | |
229 | regexp | |
230 | (integer :tag "Match group") | |
231 | (integer :tag "Emphasize group") | |
232 | face)) | |
233 | :group 'gnus-article-emphasis) | |
234 | ||
235 | (defface gnus-emphasis-bold '((t (:bold t))) | |
236 | "Face used for displaying strong emphasized text (*word*)." | |
237 | :group 'gnus-article-emphasis) | |
238 | ||
239 | (defface gnus-emphasis-italic '((t (:italic t))) | |
240 | "Face used for displaying italic emphasized text (/word/)." | |
241 | :group 'gnus-article-emphasis) | |
242 | ||
243 | (defface gnus-emphasis-underline '((t (:underline t))) | |
244 | "Face used for displaying underlined emphasized text (_word_)." | |
245 | :group 'gnus-article-emphasis) | |
246 | ||
247 | (defface gnus-emphasis-underline-bold '((t (:bold t :underline t))) | |
248 | "Face used for displaying underlined bold emphasized text (_*word*_)." | |
249 | :group 'gnus-article-emphasis) | |
250 | ||
251 | (defface gnus-emphasis-underline-italic '((t (:italic t :underline t))) | |
8de38c21 | 252 | "Face used for displaying underlined italic emphasized text (_/word/_)." |
eec82323 LMI |
253 | :group 'gnus-article-emphasis) |
254 | ||
255 | (defface gnus-emphasis-bold-italic '((t (:bold t :italic t))) | |
256 | "Face used for displaying bold italic emphasized text (/*word*/)." | |
257 | :group 'gnus-article-emphasis) | |
258 | ||
259 | (defface gnus-emphasis-underline-bold-italic | |
260 | '((t (:bold t :italic t :underline t))) | |
261 | "Face used for displaying underlined bold italic emphasized text. | |
262 | Esample: (_/*word*/_)." | |
263 | :group 'gnus-article-emphasis) | |
264 | ||
265 | (defcustom gnus-article-time-format "%a, %b %d %Y %T %Z" | |
266 | "Format for display of Date headers in article bodies. | |
6748645f LMI |
267 | See `format-time-string' for the possible values. |
268 | ||
269 | The variable can also be function, which should return a complete Date | |
270 | header. The function is called with one argument, the time, which can | |
271 | be fed to `format-time-string'." | |
272 | :type '(choice string symbol) | |
eec82323 LMI |
273 | :link '(custom-manual "(gnus)Article Date") |
274 | :group 'gnus-article-washing) | |
275 | ||
276 | (eval-and-compile | |
277 | (autoload 'hexl-hex-string-to-integer "hexl") | |
278 | (autoload 'timezone-make-date-arpa-standard "timezone") | |
279 | (autoload 'mail-extract-address-components "mail-extr")) | |
280 | ||
281 | (defcustom gnus-save-all-headers t | |
282 | "*If non-nil, don't remove any headers before saving." | |
283 | :group 'gnus-article-saving | |
284 | :type 'boolean) | |
285 | ||
286 | (defcustom gnus-prompt-before-saving 'always | |
287 | "*This variable says how much prompting is to be done when saving articles. | |
288 | If it is nil, no prompting will be done, and the articles will be | |
289 | saved to the default files. If this variable is `always', each and | |
290 | every article that is saved will be preceded by a prompt, even when | |
291 | saving large batches of articles. If this variable is neither nil not | |
292 | `always', there the user will be prompted once for a file name for | |
293 | each invocation of the saving commands." | |
294 | :group 'gnus-article-saving | |
295 | :type '(choice (item always) | |
296 | (item :tag "never" nil) | |
6748645f | 297 | (sexp :tag "once" :format "%t\n" :value t))) |
eec82323 LMI |
298 | |
299 | (defcustom gnus-saved-headers gnus-visible-headers | |
300 | "Headers to keep if `gnus-save-all-headers' is nil. | |
301 | If `gnus-save-all-headers' is non-nil, this variable will be ignored. | |
302 | If that variable is nil, however, all headers that match this regexp | |
303 | will be kept while the rest will be deleted before saving." | |
304 | :group 'gnus-article-saving | |
4bb6a3a6 | 305 | :type 'regexp) |
eec82323 LMI |
306 | |
307 | (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail | |
308 | "A function to save articles in your favourite format. | |
309 | The function must be interactively callable (in other words, it must | |
310 | be an Emacs command). | |
311 | ||
312 | Gnus provides the following functions: | |
313 | ||
314 | * gnus-summary-save-in-rmail (Rmail format) | |
315 | * gnus-summary-save-in-mail (Unix mail format) | |
316 | * gnus-summary-save-in-folder (MH folder) | |
317 | * gnus-summary-save-in-file (article format) | |
318 | * gnus-summary-save-in-vm (use VM's folder format) | |
319 | * gnus-summary-write-to-file (article format -- overwrite)." | |
320 | :group 'gnus-article-saving | |
321 | :type '(radio (function-item gnus-summary-save-in-rmail) | |
322 | (function-item gnus-summary-save-in-mail) | |
323 | (function-item gnus-summary-save-in-folder) | |
324 | (function-item gnus-summary-save-in-file) | |
325 | (function-item gnus-summary-save-in-vm) | |
326 | (function-item gnus-summary-write-to-file))) | |
327 | ||
328 | (defcustom gnus-rmail-save-name 'gnus-plain-save-name | |
329 | "A function generating a file name to save articles in Rmail format. | |
330 | The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE." | |
331 | :group 'gnus-article-saving | |
332 | :type 'function) | |
333 | ||
334 | (defcustom gnus-mail-save-name 'gnus-plain-save-name | |
335 | "A function generating a file name to save articles in Unix mail format. | |
336 | The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE." | |
337 | :group 'gnus-article-saving | |
338 | :type 'function) | |
339 | ||
340 | (defcustom gnus-folder-save-name 'gnus-folder-save-name | |
341 | "A function generating a file name to save articles in MH folder. | |
342 | The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER." | |
343 | :group 'gnus-article-saving | |
344 | :type 'function) | |
345 | ||
346 | (defcustom gnus-file-save-name 'gnus-numeric-save-name | |
347 | "A function generating a file name to save articles in article format. | |
348 | The function is called with NEWSGROUP, HEADERS, and optional | |
349 | LAST-FILE." | |
350 | :group 'gnus-article-saving | |
351 | :type 'function) | |
352 | ||
353 | (defcustom gnus-split-methods | |
354 | '((gnus-article-archive-name) | |
355 | (gnus-article-nndoc-name)) | |
6748645f | 356 | "*Variable used to suggest where articles are to be saved. |
eec82323 LMI |
357 | For instance, if you would like to save articles related to Gnus in |
358 | the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\", | |
359 | you could set this variable to something like: | |
360 | ||
361 | '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\") | |
362 | (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\")) | |
363 | ||
364 | This variable is an alist where the where the key is the match and the | |
365 | value is a list of possible files to save in if the match is non-nil. | |
366 | ||
367 | If the match is a string, it is used as a regexp match on the | |
368 | article. If the match is a symbol, that symbol will be funcalled | |
369 | from the buffer of the article to be saved with the newsgroup as the | |
370 | parameter. If it is a list, it will be evaled in the same buffer. | |
371 | ||
372 | If this form or function returns a string, this string will be used as | |
373 | a possible file name; and if it returns a non-nil list, that list will | |
374 | be used as possible file names." | |
375 | :group 'gnus-article-saving | |
6748645f LMI |
376 | :type '(repeat (choice (list :value (fun) function) |
377 | (cons :value ("" "") regexp (repeat string)) | |
378 | (sexp :value nil)))) | |
eec82323 LMI |
379 | |
380 | (defcustom gnus-strict-mime t | |
381 | "*If nil, MIME-decode even if there is no Mime-Version header." | |
382 | :group 'gnus-article-mime | |
383 | :type 'boolean) | |
384 | ||
385 | (defcustom gnus-show-mime-method 'metamail-buffer | |
386 | "Function to process a MIME message. | |
387 | The function is called from the article buffer." | |
388 | :group 'gnus-article-mime | |
389 | :type 'function) | |
390 | ||
391 | (defcustom gnus-decode-encoded-word-method 'gnus-article-de-quoted-unreadable | |
392 | "*Function to decode MIME encoded words. | |
393 | The function is called from the article buffer." | |
394 | :group 'gnus-article-mime | |
395 | :type 'function) | |
396 | ||
6e262a88 | 397 | (defcustom gnus-show-traditional-method |
cb160af8 KH |
398 | (if (and (featurep 'mule) |
399 | (boundp 'enable-multibyte-characters)) | |
400 | (lambda () | |
401 | (if enable-multibyte-characters (gnus-mule-decode-article))) | |
6e262a88 KH |
402 | (lambda ())) |
403 | "Function to decode ``localized RFC 822 messages''. | |
404 | The function is called from the article buffer." | |
405 | :group 'gnus-article-mime | |
6748645f | 406 | :type 'function) |
6e262a88 | 407 | |
eec82323 LMI |
408 | (defcustom gnus-page-delimiter "^\^L" |
409 | "*Regexp describing what to use as article page delimiters. | |
410 | The default value is \"^\^L\", which is a form linefeed at the | |
411 | beginning of a line." | |
412 | :type 'regexp | |
413 | :group 'gnus-article-various) | |
414 | ||
415 | (defcustom gnus-article-mode-line-format "Gnus: %%b %S" | |
416 | "*The format specification for the article mode line. | |
417 | See `gnus-summary-mode-line-format' for a closer description." | |
418 | :type 'string | |
419 | :group 'gnus-article-various) | |
420 | ||
421 | (defcustom gnus-article-mode-hook nil | |
422 | "*A hook for Gnus article mode." | |
423 | :type 'hook | |
424 | :group 'gnus-article-various) | |
425 | ||
426 | (defcustom gnus-article-menu-hook nil | |
427 | "*Hook run after the creation of the article mode menu." | |
428 | :type 'hook | |
429 | :group 'gnus-article-various) | |
430 | ||
431 | (defcustom gnus-article-prepare-hook nil | |
432 | "*A hook called after an article has been prepared in the article buffer. | |
433 | If you want to run a special decoding program like nkf, use this hook." | |
434 | :type 'hook | |
435 | :group 'gnus-article-various) | |
436 | ||
a8151ef7 LMI |
437 | (defcustom gnus-article-hide-pgp-hook nil |
438 | "*A hook called after successfully hiding a PGP signature." | |
439 | :type 'hook | |
6748645f | 440 | :group 'gnus-article-various) |
a8151ef7 | 441 | |
eec82323 LMI |
442 | (defcustom gnus-article-button-face 'bold |
443 | "Face used for highlighting buttons in the article buffer. | |
444 | ||
445 | An article button is a piece of text that you can activate by pressing | |
446 | `RET' or `mouse-2' above it." | |
447 | :type 'face | |
448 | :group 'gnus-article-buttons) | |
449 | ||
450 | (defcustom gnus-article-mouse-face 'highlight | |
451 | "Face used for mouse highlighting in the article buffer. | |
452 | ||
453 | Article buttons will be displayed in this face when the cursor is | |
454 | above them." | |
455 | :type 'face | |
456 | :group 'gnus-article-buttons) | |
457 | ||
a8151ef7 LMI |
458 | (defcustom gnus-signature-face 'gnus-signature-face |
459 | "Face used for highlighting a signature in the article buffer. | |
460 | Obsolete; use the face `gnus-signature-face' for customizations instead." | |
eec82323 LMI |
461 | :type 'face |
462 | :group 'gnus-article-highlight | |
463 | :group 'gnus-article-signature) | |
464 | ||
a8151ef7 LMI |
465 | (defface gnus-signature-face |
466 | '((((type x)) | |
467 | (:italic t))) | |
468 | "Face used for highlighting a signature in the article buffer." | |
469 | :group 'gnus-article-highlight | |
470 | :group 'gnus-article-signature) | |
471 | ||
eec82323 LMI |
472 | (defface gnus-header-from-face |
473 | '((((class color) | |
474 | (background dark)) | |
6748645f | 475 | (:foreground "spring green")) |
eec82323 LMI |
476 | (((class color) |
477 | (background light)) | |
6748645f | 478 | (:foreground "red3")) |
eec82323 | 479 | (t |
6748645f | 480 | (:italic t))) |
eec82323 LMI |
481 | "Face used for displaying from headers." |
482 | :group 'gnus-article-headers | |
483 | :group 'gnus-article-highlight) | |
484 | ||
485 | (defface gnus-header-subject-face | |
486 | '((((class color) | |
487 | (background dark)) | |
6748645f | 488 | (:foreground "SeaGreen3")) |
eec82323 LMI |
489 | (((class color) |
490 | (background light)) | |
6748645f | 491 | (:foreground "red4")) |
eec82323 LMI |
492 | (t |
493 | (:bold t :italic t))) | |
494 | "Face used for displaying subject headers." | |
495 | :group 'gnus-article-headers | |
496 | :group 'gnus-article-highlight) | |
497 | ||
498 | (defface gnus-header-newsgroups-face | |
499 | '((((class color) | |
500 | (background dark)) | |
6748645f | 501 | (:foreground "yellow" :italic t)) |
eec82323 LMI |
502 | (((class color) |
503 | (background light)) | |
6748645f | 504 | (:foreground "MidnightBlue" :italic t)) |
eec82323 | 505 | (t |
6748645f | 506 | (:italic t))) |
eec82323 LMI |
507 | "Face used for displaying newsgroups headers." |
508 | :group 'gnus-article-headers | |
509 | :group 'gnus-article-highlight) | |
510 | ||
511 | (defface gnus-header-name-face | |
512 | '((((class color) | |
513 | (background dark)) | |
514 | (:foreground "SeaGreen")) | |
515 | (((class color) | |
516 | (background light)) | |
517 | (:foreground "maroon")) | |
518 | (t | |
519 | (:bold t))) | |
520 | "Face used for displaying header names." | |
521 | :group 'gnus-article-headers | |
522 | :group 'gnus-article-highlight) | |
523 | ||
524 | (defface gnus-header-content-face | |
525 | '((((class color) | |
526 | (background dark)) | |
527 | (:foreground "forest green" :italic t)) | |
528 | (((class color) | |
529 | (background light)) | |
530 | (:foreground "indianred4" :italic t)) | |
531 | (t | |
532 | (:italic t))) "Face used for displaying header content." | |
533 | :group 'gnus-article-headers | |
534 | :group 'gnus-article-highlight) | |
535 | ||
536 | (defcustom gnus-header-face-alist | |
537 | '(("From" nil gnus-header-from-face) | |
538 | ("Subject" nil gnus-header-subject-face) | |
539 | ("Newsgroups:.*," nil gnus-header-newsgroups-face) | |
540 | ("" gnus-header-name-face gnus-header-content-face)) | |
6748645f | 541 | "*Controls highlighting of article header. |
eec82323 LMI |
542 | |
543 | An alist of the form (HEADER NAME CONTENT). | |
544 | ||
545 | HEADER is a regular expression which should match the name of an | |
546 | header header and NAME and CONTENT are either face names or nil. | |
547 | ||
548 | The name of each header field will be displayed using the face | |
549 | specified by the first element in the list where HEADER match the | |
550 | header name and NAME is non-nil. Similarly, the content will be | |
551 | displayed by the first non-nil matching CONTENT face." | |
552 | :group 'gnus-article-headers | |
553 | :group 'gnus-article-highlight | |
554 | :type '(repeat (list (regexp :tag "Header") | |
555 | (choice :tag "Name" | |
556 | (item :tag "skip" nil) | |
557 | (face :value default)) | |
558 | (choice :tag "Content" | |
559 | (item :tag "skip" nil) | |
560 | (face :value default))))) | |
561 | ||
562 | ;;; Internal variables | |
563 | ||
6748645f LMI |
564 | (defvar article-lapsed-timer nil) |
565 | (defvar gnus-article-current-summary nil) | |
566 | ||
eec82323 LMI |
567 | (defvar gnus-article-mode-syntax-table |
568 | (let ((table (copy-syntax-table text-mode-syntax-table))) | |
569 | (modify-syntax-entry ?- "w" table) | |
570 | (modify-syntax-entry ?> ")" table) | |
571 | (modify-syntax-entry ?< "(" table) | |
572 | table) | |
573 | "Syntax table used in article mode buffers. | |
574 | Initialized from `text-mode-syntax-table.") | |
575 | ||
576 | (defvar gnus-save-article-buffer nil) | |
577 | ||
578 | (defvar gnus-article-mode-line-format-alist | |
6748645f LMI |
579 | (nconc '((?w (gnus-article-wash-status) ?s)) |
580 | gnus-summary-mode-line-format-alist)) | |
eec82323 LMI |
581 | |
582 | (defvar gnus-number-of-articles-to-be-saved nil) | |
583 | ||
584 | (defvar gnus-inhibit-hiding nil) | |
585 | ||
586 | (defsubst gnus-article-hide-text (b e props) | |
587 | "Set text PROPS on the B to E region, extending `intangible' 1 past B." | |
588 | (add-text-properties b e props) | |
589 | (when (memq 'intangible props) | |
590 | (put-text-property | |
591 | (max (1- b) (point-min)) | |
592 | b 'intangible (cddr (memq 'intangible props))))) | |
593 | ||
594 | (defsubst gnus-article-unhide-text (b e) | |
595 | "Remove hidden text properties from region between B and E." | |
596 | (remove-text-properties b e gnus-hidden-properties) | |
597 | (when (memq 'intangible gnus-hidden-properties) | |
598 | (put-text-property (max (1- b) (point-min)) | |
599 | b 'intangible nil))) | |
600 | ||
601 | (defun gnus-article-hide-text-type (b e type) | |
602 | "Hide text of TYPE between B and E." | |
603 | (gnus-article-hide-text | |
604 | b e (cons 'article-type (cons type gnus-hidden-properties)))) | |
605 | ||
606 | (defun gnus-article-unhide-text-type (b e type) | |
6748645f | 607 | "Unhide text of TYPE between B and E." |
eec82323 LMI |
608 | (remove-text-properties |
609 | b e (cons 'article-type (cons type gnus-hidden-properties))) | |
610 | (when (memq 'intangible gnus-hidden-properties) | |
611 | (put-text-property (max (1- b) (point-min)) | |
612 | b 'intangible nil))) | |
613 | ||
614 | (defun gnus-article-hide-text-of-type (type) | |
615 | "Hide text of TYPE in the current buffer." | |
616 | (save-excursion | |
617 | (let ((b (point-min)) | |
618 | (e (point-max))) | |
619 | (while (setq b (text-property-any b e 'article-type type)) | |
620 | (add-text-properties b (incf b) gnus-hidden-properties))))) | |
621 | ||
622 | (defun gnus-article-delete-text-of-type (type) | |
623 | "Delete text of TYPE in the current buffer." | |
624 | (save-excursion | |
a8151ef7 LMI |
625 | (let ((b (point-min))) |
626 | (while (setq b (text-property-any b (point-max) 'article-type type)) | |
627 | (delete-region | |
628 | b (or (text-property-not-all b (point-max) 'article-type type) | |
629 | (point-max))))))) | |
eec82323 LMI |
630 | |
631 | (defun gnus-article-delete-invisible-text () | |
632 | "Delete all invisible text in the current buffer." | |
633 | (save-excursion | |
a8151ef7 LMI |
634 | (let ((b (point-min))) |
635 | (while (setq b (text-property-any b (point-max) 'invisible t)) | |
636 | (delete-region | |
637 | b (or (text-property-not-all b (point-max) 'invisible t) | |
638 | (point-max))))))) | |
eec82323 LMI |
639 | |
640 | (defun gnus-article-text-type-exists-p (type) | |
641 | "Say whether any text of type TYPE exists in the buffer." | |
642 | (text-property-any (point-min) (point-max) 'article-type type)) | |
643 | ||
644 | (defsubst gnus-article-header-rank () | |
645 | "Give the rank of the string HEADER as given by `gnus-sorted-header-list'." | |
646 | (let ((list gnus-sorted-header-list) | |
647 | (i 0)) | |
648 | (while list | |
649 | (when (looking-at (car list)) | |
650 | (setq list nil)) | |
651 | (setq list (cdr list)) | |
652 | (incf i)) | |
653 | i)) | |
654 | ||
655 | (defun article-hide-headers (&optional arg delete) | |
656 | "Toggle whether to hide unwanted headers and possibly sort them as well. | |
657 | If given a negative prefix, always show; if given a positive prefix, | |
658 | always hide." | |
659 | (interactive (gnus-article-hidden-arg)) | |
6748645f | 660 | (current-buffer) |
eec82323 LMI |
661 | (if (gnus-article-check-hidden-text 'headers arg) |
662 | ;; Show boring headers as well. | |
663 | (gnus-article-show-hidden-text 'boring-headers) | |
664 | ;; This function might be inhibited. | |
665 | (unless gnus-inhibit-hiding | |
666 | (save-excursion | |
667 | (save-restriction | |
668 | (let ((buffer-read-only nil) | |
6748645f | 669 | (case-fold-search t) |
eec82323 LMI |
670 | (props (nconc (list 'article-type 'headers) |
671 | gnus-hidden-properties)) | |
672 | (max (1+ (length gnus-sorted-header-list))) | |
673 | (ignored (when (not gnus-visible-headers) | |
674 | (cond ((stringp gnus-ignored-headers) | |
675 | gnus-ignored-headers) | |
676 | ((listp gnus-ignored-headers) | |
677 | (mapconcat 'identity gnus-ignored-headers | |
678 | "\\|"))))) | |
679 | (visible | |
680 | (cond ((stringp gnus-visible-headers) | |
681 | gnus-visible-headers) | |
682 | ((and gnus-visible-headers | |
683 | (listp gnus-visible-headers)) | |
684 | (mapconcat 'identity gnus-visible-headers "\\|")))) | |
685 | (inhibit-point-motion-hooks t) | |
6748645f | 686 | beg) |
eec82323 LMI |
687 | ;; First we narrow to just the headers. |
688 | (widen) | |
689 | (goto-char (point-min)) | |
690 | ;; Hide any "From " lines at the beginning of (mail) articles. | |
691 | (while (looking-at "From ") | |
692 | (forward-line 1)) | |
693 | (unless (bobp) | |
694 | (if delete | |
695 | (delete-region (point-min) (point)) | |
696 | (gnus-article-hide-text (point-min) (point) props))) | |
697 | ;; Then treat the rest of the header lines. | |
698 | (narrow-to-region | |
699 | (point) | |
700 | (if (search-forward "\n\n" nil t) ; if there's a body | |
701 | (progn (forward-line -1) (point)) | |
702 | (point-max))) | |
703 | ;; Then we use the two regular expressions | |
704 | ;; `gnus-ignored-headers' and `gnus-visible-headers' to | |
705 | ;; select which header lines is to remain visible in the | |
706 | ;; article buffer. | |
707 | (goto-char (point-min)) | |
708 | (while (re-search-forward "^[^ \t]*:" nil t) | |
709 | (beginning-of-line) | |
710 | ;; Mark the rank of the header. | |
711 | (put-text-property | |
712 | (point) (1+ (point)) 'message-rank | |
713 | (if (or (and visible (looking-at visible)) | |
714 | (and ignored | |
715 | (not (looking-at ignored)))) | |
716 | (gnus-article-header-rank) | |
717 | (+ 2 max))) | |
718 | (forward-line 1)) | |
719 | (message-sort-headers-1) | |
720 | (when (setq beg (text-property-any | |
721 | (point-min) (point-max) 'message-rank (+ 2 max))) | |
722 | ;; We make the unwanted headers invisible. | |
723 | (if delete | |
724 | (delete-region beg (point-max)) | |
725 | ;; Suggested by Sudish Joseph <joseph@cis.ohio-state.edu>. | |
726 | (gnus-article-hide-text-type beg (point-max) 'headers)) | |
727 | ;; Work around XEmacs lossage. | |
728 | (put-text-property (point-min) beg 'invisible nil)))))))) | |
729 | ||
730 | (defun article-hide-boring-headers (&optional arg) | |
731 | "Toggle hiding of headers that aren't very interesting. | |
732 | If given a negative prefix, always show; if given a positive prefix, | |
733 | always hide." | |
734 | (interactive (gnus-article-hidden-arg)) | |
735 | (when (and (not (gnus-article-check-hidden-text 'boring-headers arg)) | |
736 | (not gnus-show-all-headers)) | |
737 | (save-excursion | |
738 | (save-restriction | |
739 | (let ((buffer-read-only nil) | |
740 | (list gnus-boring-article-headers) | |
741 | (inhibit-point-motion-hooks t) | |
742 | elem) | |
743 | (nnheader-narrow-to-headers) | |
744 | (while list | |
745 | (setq elem (pop list)) | |
746 | (goto-char (point-min)) | |
747 | (cond | |
748 | ;; Hide empty headers. | |
749 | ((eq elem 'empty) | |
750 | (while (re-search-forward "^[^:]+:[ \t]*\n[^ \t]" nil t) | |
751 | (forward-line -1) | |
752 | (gnus-article-hide-text-type | |
753 | (progn (beginning-of-line) (point)) | |
754 | (progn | |
755 | (end-of-line) | |
756 | (if (re-search-forward "^[^ \t]" nil t) | |
757 | (match-beginning 0) | |
758 | (point-max))) | |
759 | 'boring-headers))) | |
760 | ;; Hide boring Newsgroups header. | |
761 | ((eq elem 'newsgroups) | |
762 | (when (equal (gnus-fetch-field "newsgroups") | |
763 | (gnus-group-real-name | |
764 | (if (boundp 'gnus-newsgroup-name) | |
765 | gnus-newsgroup-name | |
766 | ""))) | |
767 | (gnus-article-hide-header "newsgroups"))) | |
768 | ((eq elem 'followup-to) | |
769 | (when (equal (message-fetch-field "followup-to") | |
770 | (message-fetch-field "newsgroups")) | |
771 | (gnus-article-hide-header "followup-to"))) | |
772 | ((eq elem 'reply-to) | |
773 | (let ((from (message-fetch-field "from")) | |
774 | (reply-to (message-fetch-field "reply-to"))) | |
775 | (when (and | |
776 | from reply-to | |
777 | (ignore-errors | |
778 | (equal | |
779 | (nth 1 (mail-extract-address-components from)) | |
780 | (nth 1 (mail-extract-address-components reply-to))))) | |
781 | (gnus-article-hide-header "reply-to")))) | |
782 | ((eq elem 'date) | |
783 | (let ((date (message-fetch-field "date"))) | |
784 | (when (and date | |
785 | (< (gnus-days-between (current-time-string) date) | |
786 | 4)) | |
6748645f LMI |
787 | (gnus-article-hide-header "date")))) |
788 | ((eq elem 'long-to) | |
789 | (let ((to (message-fetch-field "to"))) | |
790 | (when (> (length to) 1024) | |
791 | (gnus-article-hide-header "to")))) | |
792 | ((eq elem 'many-to) | |
793 | (let ((to-count 0)) | |
794 | (goto-char (point-min)) | |
795 | (while (re-search-forward "^to:" nil t) | |
796 | (setq to-count (1+ to-count))) | |
797 | (when (> to-count 1) | |
798 | (while (> to-count 0) | |
799 | (goto-char (point-min)) | |
800 | (save-restriction | |
801 | (re-search-forward "^to:" nil nil to-count) | |
802 | (forward-line -1) | |
803 | (narrow-to-region (point) (point-max)) | |
804 | (gnus-article-hide-header "to")) | |
805 | (setq to-count (1- to-count))))))))))))) | |
eec82323 LMI |
806 | |
807 | (defun gnus-article-hide-header (header) | |
808 | (save-excursion | |
809 | (goto-char (point-min)) | |
810 | (when (re-search-forward (concat "^" header ":") nil t) | |
811 | (gnus-article-hide-text-type | |
812 | (progn (beginning-of-line) (point)) | |
813 | (progn | |
814 | (end-of-line) | |
815 | (if (re-search-forward "^[^ \t]" nil t) | |
816 | (match-beginning 0) | |
817 | (point-max))) | |
818 | 'boring-headers)))) | |
819 | ||
6748645f LMI |
820 | (defun article-treat-dumbquotes () |
821 | "Translate M******** sm*rtq**t*s into proper text." | |
822 | (interactive) | |
823 | (article-translate-characters "\221\222\223\223" "`'\"\"")) | |
824 | ||
825 | (defun article-translate-characters (from to) | |
826 | "Translate all characters in the body of the article according to FROM and TO. | |
827 | FROM is a string of characters to translate from; to is a string of | |
828 | characters to translate to." | |
829 | (save-excursion | |
830 | (goto-char (point-min)) | |
831 | (when (search-forward "\n\n" nil t) | |
832 | (let ((buffer-read-only nil) | |
833 | (x (make-string 225 ?x)) | |
834 | (i -1)) | |
835 | (while (< (incf i) (length x)) | |
836 | (aset x i i)) | |
837 | (setq i 0) | |
838 | (while (< i (length from)) | |
839 | (aset x (aref from i) (aref to i)) | |
840 | (incf i)) | |
841 | (translate-region (point) (point-max) x))))) | |
842 | ||
eec82323 LMI |
843 | (defun article-treat-overstrike () |
844 | "Translate overstrikes into bold text." | |
845 | (interactive) | |
846 | (save-excursion | |
847 | (goto-char (point-min)) | |
848 | (when (search-forward "\n\n" nil t) | |
849 | (let ((buffer-read-only nil)) | |
850 | (while (search-forward "\b" nil t) | |
851 | (let ((next (following-char)) | |
852 | (previous (char-after (- (point) 2)))) | |
853 | ;; We do the boldification/underlining by hiding the | |
854 | ;; overstrikes and putting the proper text property | |
855 | ;; on the letters. | |
856 | (cond | |
857 | ((eq next previous) | |
858 | (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike) | |
859 | (put-text-property (point) (1+ (point)) 'face 'bold)) | |
860 | ((eq next ?_) | |
861 | (gnus-article-hide-text-type | |
862 | (1- (point)) (1+ (point)) 'overstrike) | |
863 | (put-text-property | |
864 | (- (point) 2) (1- (point)) 'face 'underline)) | |
865 | ((eq previous ?_) | |
866 | (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike) | |
867 | (put-text-property | |
868 | (point) (1+ (point)) 'face 'underline))))))))) | |
869 | ||
870 | (defun article-fill () | |
871 | "Format too long lines." | |
872 | (interactive) | |
873 | (save-excursion | |
874 | (let ((buffer-read-only nil)) | |
875 | (widen) | |
876 | (goto-char (point-min)) | |
877 | (search-forward "\n\n" nil t) | |
878 | (end-of-line 1) | |
879 | (let ((paragraph-start "^[>|#:<;* ]*[ \t]*$") | |
880 | (adaptive-fill-regexp "[ \t]*\\([|#:<;>*]+ *\\)?") | |
881 | (adaptive-fill-mode t)) | |
882 | (while (not (eobp)) | |
883 | (and (>= (current-column) (min fill-column (window-width))) | |
884 | (/= (preceding-char) ?:) | |
885 | (fill-paragraph nil)) | |
886 | (end-of-line 2)))))) | |
887 | ||
888 | (defun article-remove-cr () | |
889 | "Remove carriage returns from an article." | |
890 | (interactive) | |
891 | (save-excursion | |
892 | (let ((buffer-read-only nil)) | |
893 | (goto-char (point-min)) | |
894 | (while (search-forward "\r" nil t) | |
895 | (replace-match "" t t))))) | |
896 | ||
897 | (defun article-remove-trailing-blank-lines () | |
898 | "Remove all trailing blank lines from the article." | |
899 | (interactive) | |
900 | (save-excursion | |
901 | (let ((buffer-read-only nil)) | |
902 | (goto-char (point-max)) | |
903 | (delete-region | |
904 | (point) | |
905 | (progn | |
906 | (while (and (not (bobp)) | |
907 | (looking-at "^[ \t]*$")) | |
908 | (forward-line -1)) | |
909 | (forward-line 1) | |
910 | (point)))))) | |
911 | ||
912 | (defun article-display-x-face (&optional force) | |
913 | "Look for an X-Face header and display it if present." | |
914 | (interactive (list 'force)) | |
915 | (save-excursion | |
916 | ;; Delete the old process, if any. | |
917 | (when (process-status "article-x-face") | |
918 | (delete-process "article-x-face")) | |
919 | (let ((inhibit-point-motion-hooks t) | |
6748645f LMI |
920 | (case-fold-search t) |
921 | from last) | |
eec82323 LMI |
922 | (save-restriction |
923 | (nnheader-narrow-to-headers) | |
924 | (setq from (message-fetch-field "from")) | |
925 | (goto-char (point-min)) | |
a8151ef7 | 926 | (while (and gnus-article-x-face-command |
6748645f | 927 | (not last) |
a8151ef7 LMI |
928 | (or force |
929 | ;; Check whether this face is censored. | |
930 | (not gnus-article-x-face-too-ugly) | |
931 | (and gnus-article-x-face-too-ugly from | |
932 | (not (string-match gnus-article-x-face-too-ugly | |
933 | from)))) | |
934 | ;; Has to be present. | |
935 | (re-search-forward "^X-Face: " nil t)) | |
6748645f LMI |
936 | ;; This used to try to do multiple faces (`while' instead of |
937 | ;; `when' above), but (a) sending multiple EOFs to xv doesn't | |
938 | ;; work (b) it can crash some versions of Emacs (c) are | |
939 | ;; multiple faces really something to encourage? | |
940 | (when (stringp gnus-article-x-face-command) | |
941 | (setq last t)) | |
eec82323 | 942 | ;; We now have the area of the buffer where the X-Face is stored. |
a8151ef7 LMI |
943 | (save-excursion |
944 | (let ((beg (point)) | |
945 | (end (1- (re-search-forward "^\\($\\|[^ \t]\\)" nil t)))) | |
946 | ;; We display the face. | |
947 | (if (symbolp gnus-article-x-face-command) | |
948 | ;; The command is a lisp function, so we call it. | |
949 | (if (gnus-functionp gnus-article-x-face-command) | |
950 | (funcall gnus-article-x-face-command beg end) | |
951 | (error "%s is not a function" gnus-article-x-face-command)) | |
952 | ;; The command is a string, so we interpret the command | |
953 | ;; as a, well, command, and fork it off. | |
954 | (let ((process-connection-type nil)) | |
955 | (process-kill-without-query | |
956 | (start-process | |
957 | "article-x-face" nil shell-file-name shell-command-switch | |
958 | gnus-article-x-face-command)) | |
959 | (process-send-region "article-x-face" beg end) | |
960 | (process-send-eof "article-x-face")))))))))) | |
961 | ||
962 | (defun gnus-hack-decode-rfc1522 () | |
963 | "Emergency hack function for avoiding problems when decoding." | |
964 | (let ((buffer-read-only nil)) | |
965 | (goto-char (point-min)) | |
966 | ;; Remove encoded TABs. | |
967 | (while (search-forward "=09" nil t) | |
968 | (replace-match " " t t)) | |
969 | ;; Remove encoded newlines. | |
970 | (goto-char (point-min)) | |
971 | (while (search-forward "=10" nil t) | |
972 | (replace-match " " t t)))) | |
eec82323 LMI |
973 | |
974 | (defalias 'gnus-decode-rfc1522 'article-decode-rfc1522) | |
975 | (defalias 'gnus-article-decode-rfc1522 'article-decode-rfc1522) | |
976 | (defun article-decode-rfc1522 () | |
977 | "Hack to remove QP encoding from headers." | |
978 | (let ((case-fold-search t) | |
979 | (inhibit-point-motion-hooks t) | |
980 | (buffer-read-only nil) | |
981 | string) | |
982 | (save-restriction | |
983 | (narrow-to-region | |
984 | (goto-char (point-min)) | |
985 | (or (search-forward "\n\n" nil t) (point-max))) | |
986 | (goto-char (point-min)) | |
987 | (while (re-search-forward | |
988 | "=\\?iso-8859-1\\?q\\?\\([^?\t\n]*\\)\\?=" nil t) | |
989 | (setq string (match-string 1)) | |
990 | (save-restriction | |
991 | (narrow-to-region (match-beginning 0) (match-end 0)) | |
992 | (delete-region (point-min) (point-max)) | |
993 | (insert string) | |
994 | (article-mime-decode-quoted-printable | |
995 | (goto-char (point-min)) (point-max)) | |
996 | (subst-char-in-region (point-min) (point-max) ?_ ? ) | |
997 | (goto-char (point-max))) | |
998 | (goto-char (point-min)))))) | |
999 | ||
1000 | (defun article-de-quoted-unreadable (&optional force) | |
1001 | "Do a naive translation of a quoted-printable-encoded article. | |
1002 | This is in no way, shape or form meant as a replacement for real MIME | |
1003 | processing, but is simply a stop-gap measure until MIME support is | |
1004 | written. | |
1005 | If FORCE, decode the article whether it is marked as quoted-printable | |
1006 | or not." | |
1007 | (interactive (list 'force)) | |
1008 | (save-excursion | |
1009 | (let ((case-fold-search t) | |
1010 | (buffer-read-only nil) | |
1011 | (type (gnus-fetch-field "content-transfer-encoding"))) | |
1012 | (gnus-article-decode-rfc1522) | |
1013 | (when (or force | |
1014 | (and type (string-match "quoted-printable" (downcase type)))) | |
1015 | (goto-char (point-min)) | |
1016 | (search-forward "\n\n" nil 'move) | |
1017 | (article-mime-decode-quoted-printable (point) (point-max)))))) | |
1018 | ||
1019 | (defun article-mime-decode-quoted-printable-buffer () | |
1020 | "Decode Quoted-Printable in the current buffer." | |
1021 | (article-mime-decode-quoted-printable (point-min) (point-max))) | |
1022 | ||
1023 | (defun article-mime-decode-quoted-printable (from to) | |
1024 | "Decode Quoted-Printable in the region between FROM and TO." | |
1025 | (interactive "r") | |
1026 | (goto-char from) | |
1027 | (while (search-forward "=" to t) | |
1028 | (cond ((eq (following-char) ?\n) | |
1029 | (delete-char -1) | |
1030 | (delete-char 1)) | |
1031 | ((looking-at "[0-9A-F][0-9A-F]") | |
1032 | (subst-char-in-region | |
1033 | (1- (point)) (point) ?= | |
1034 | (hexl-hex-string-to-integer | |
1035 | (buffer-substring (point) (+ 2 (point))))) | |
1036 | (delete-char 2)) | |
1037 | ((looking-at "=") | |
1038 | (delete-char 1)) | |
1039 | ((gnus-message 3 "Malformed MIME quoted-printable message"))))) | |
1040 | ||
1041 | (defun article-hide-pgp (&optional arg) | |
1042 | "Toggle hiding of any PGP headers and signatures in the current article. | |
1043 | If given a negative prefix, always show; if given a positive prefix, | |
1044 | always hide." | |
1045 | (interactive (gnus-article-hidden-arg)) | |
1046 | (unless (gnus-article-check-hidden-text 'pgp arg) | |
1047 | (save-excursion | |
1048 | (let ((inhibit-point-motion-hooks t) | |
1049 | buffer-read-only beg end) | |
1050 | (widen) | |
1051 | (goto-char (point-min)) | |
1052 | ;; Hide the "header". | |
1053 | (when (search-forward "\n-----BEGIN PGP SIGNED MESSAGE-----\n" nil t) | |
6748645f | 1054 | (delete-region (1+ (match-beginning 0)) (match-end 0)) |
a8151ef7 LMI |
1055 | (setq beg (point)) |
1056 | ;; Hide the actual signature. | |
1057 | (and (search-forward "\n-----BEGIN PGP SIGNATURE-----\n" nil t) | |
1058 | (setq end (1+ (match-beginning 0))) | |
6748645f | 1059 | (delete-region |
a8151ef7 LMI |
1060 | end |
1061 | (if (search-forward "\n-----END PGP SIGNATURE-----\n" nil t) | |
1062 | (match-end 0) | |
1063 | ;; Perhaps we shouldn't hide to the end of the buffer | |
1064 | ;; if there is no end to the signature? | |
6748645f | 1065 | (point-max)))) |
a8151ef7 LMI |
1066 | ;; Hide "- " PGP quotation markers. |
1067 | (when (and beg end) | |
1068 | (narrow-to-region beg end) | |
1069 | (goto-char (point-min)) | |
1070 | (while (re-search-forward "^- " nil t) | |
6748645f LMI |
1071 | (delete-region |
1072 | (match-beginning 0) (match-end 0))) | |
a8151ef7 | 1073 | (widen)) |
6748645f | 1074 | (gnus-run-hooks 'gnus-article-hide-pgp-hook)))))) |
eec82323 LMI |
1075 | |
1076 | (defun article-hide-pem (&optional arg) | |
1077 | "Toggle hiding of any PEM headers and signatures in the current article. | |
1078 | If given a negative prefix, always show; if given a positive prefix, | |
1079 | always hide." | |
1080 | (interactive (gnus-article-hidden-arg)) | |
1081 | (unless (gnus-article-check-hidden-text 'pem arg) | |
1082 | (save-excursion | |
1083 | (let (buffer-read-only end) | |
1084 | (widen) | |
1085 | (goto-char (point-min)) | |
1086 | ;; hide the horrendously ugly "header". | |
1087 | (and (search-forward "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n" | |
1088 | nil | |
1089 | t) | |
1090 | (setq end (1+ (match-beginning 0))) | |
1091 | (gnus-article-hide-text-type | |
1092 | end | |
1093 | (if (search-forward "\n\n" nil t) | |
1094 | (match-end 0) | |
1095 | (point-max)) | |
1096 | 'pem)) | |
1097 | ;; hide the trailer as well | |
1098 | (and (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n" | |
1099 | nil | |
1100 | t) | |
1101 | (gnus-article-hide-text-type | |
1102 | (match-beginning 0) (match-end 0) 'pem)))))) | |
1103 | ||
1104 | (defun article-hide-signature (&optional arg) | |
1105 | "Hide the signature in the current article. | |
1106 | If given a negative prefix, always show; if given a positive prefix, | |
1107 | always hide." | |
1108 | (interactive (gnus-article-hidden-arg)) | |
1109 | (unless (gnus-article-check-hidden-text 'signature arg) | |
1110 | (save-excursion | |
1111 | (save-restriction | |
1112 | (let ((buffer-read-only nil)) | |
1113 | (when (gnus-article-narrow-to-signature) | |
1114 | (gnus-article-hide-text-type | |
1115 | (point-min) (point-max) 'signature))))))) | |
1116 | ||
1117 | (defun article-strip-leading-blank-lines () | |
1118 | "Remove all blank lines from the beginning of the article." | |
1119 | (interactive) | |
1120 | (save-excursion | |
1121 | (let ((inhibit-point-motion-hooks t) | |
1122 | buffer-read-only) | |
1123 | (goto-char (point-min)) | |
1124 | (when (search-forward "\n\n" nil t) | |
1125 | (while (and (not (eobp)) | |
1126 | (looking-at "[ \t]*$")) | |
1127 | (gnus-delete-line)))))) | |
1128 | ||
1129 | (defun article-strip-multiple-blank-lines () | |
1130 | "Replace consecutive blank lines with one empty line." | |
1131 | (interactive) | |
1132 | (save-excursion | |
1133 | (let ((inhibit-point-motion-hooks t) | |
1134 | buffer-read-only) | |
1135 | ;; First make all blank lines empty. | |
1136 | (goto-char (point-min)) | |
1137 | (search-forward "\n\n" nil t) | |
1138 | (while (re-search-forward "^[ \t]+$" nil t) | |
1139 | (replace-match "" nil t)) | |
1140 | ;; Then replace multiple empty lines with a single empty line. | |
1141 | (goto-char (point-min)) | |
1142 | (search-forward "\n\n" nil t) | |
1143 | (while (re-search-forward "\n\n\n+" nil t) | |
1144 | (replace-match "\n\n" t t))))) | |
1145 | ||
1146 | (defun article-strip-leading-space () | |
1147 | "Remove all white space from the beginning of the lines in the article." | |
1148 | (interactive) | |
1149 | (save-excursion | |
1150 | (let ((inhibit-point-motion-hooks t) | |
1151 | buffer-read-only) | |
1152 | (goto-char (point-min)) | |
1153 | (search-forward "\n\n" nil t) | |
1154 | (while (re-search-forward "^[ \t]+" nil t) | |
1155 | (replace-match "" t t))))) | |
1156 | ||
1157 | (defun article-strip-blank-lines () | |
1158 | "Strip leading, trailing and multiple blank lines." | |
1159 | (interactive) | |
1160 | (article-strip-leading-blank-lines) | |
1161 | (article-remove-trailing-blank-lines) | |
1162 | (article-strip-multiple-blank-lines)) | |
1163 | ||
6748645f LMI |
1164 | (defun article-strip-all-blank-lines () |
1165 | "Strip all blank lines." | |
1166 | (interactive) | |
1167 | (save-excursion | |
1168 | (let ((inhibit-point-motion-hooks t) | |
1169 | buffer-read-only) | |
1170 | (goto-char (point-min)) | |
1171 | (search-forward "\n\n" nil t) | |
1172 | (while (re-search-forward "^[ \t]*\n" nil t) | |
1173 | (replace-match "" t t))))) | |
1174 | ||
eec82323 LMI |
1175 | (defvar mime::preview/content-list) |
1176 | (defvar mime::preview-content-info/point-min) | |
1177 | (defun gnus-article-narrow-to-signature () | |
1178 | "Narrow to the signature; return t if a signature is found, else nil." | |
1179 | (widen) | |
6748645f LMI |
1180 | (let ((inhibit-point-motion-hooks t)) |
1181 | (when (and (boundp 'mime::preview/content-list) | |
1182 | mime::preview/content-list) | |
1183 | ;; We have a MIMEish article, so we use the MIME data to narrow. | |
1184 | (let ((pcinfo (car (last mime::preview/content-list)))) | |
1185 | (ignore-errors | |
1186 | (narrow-to-region | |
1187 | (funcall (intern "mime::preview-content-info/point-min") pcinfo) | |
1188 | (point-max))))) | |
1189 | ||
1190 | (when (gnus-article-search-signature) | |
1191 | (forward-line 1) | |
1192 | ;; Check whether we have some limits to what we consider | |
1193 | ;; to be a signature. | |
1194 | (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit | |
1195 | (list gnus-signature-limit))) | |
1196 | limit limited) | |
1197 | (while (setq limit (pop limits)) | |
1198 | (if (or (and (integerp limit) | |
1199 | (< (- (point-max) (point)) limit)) | |
1200 | (and (floatp limit) | |
1201 | (< (count-lines (point) (point-max)) limit)) | |
1202 | (and (gnus-functionp limit) | |
1203 | (funcall limit)) | |
1204 | (and (stringp limit) | |
1205 | (not (re-search-forward limit nil t)))) | |
1206 | () ; This limit did not succeed. | |
1207 | (setq limited t | |
1208 | limits nil))) | |
1209 | (unless limited | |
1210 | (narrow-to-region (point) (point-max)) | |
1211 | t))))) | |
eec82323 LMI |
1212 | |
1213 | (defun gnus-article-search-signature () | |
1214 | "Search the current buffer for the signature separator. | |
1215 | Put point at the beginning of the signature separator." | |
1216 | (let ((cur (point))) | |
1217 | (goto-char (point-max)) | |
1218 | (if (if (stringp gnus-signature-separator) | |
1219 | (re-search-backward gnus-signature-separator nil t) | |
1220 | (let ((seps gnus-signature-separator)) | |
1221 | (while (and seps | |
1222 | (not (re-search-backward (car seps) nil t))) | |
1223 | (pop seps)) | |
1224 | seps)) | |
1225 | t | |
1226 | (goto-char cur) | |
1227 | nil))) | |
1228 | ||
1229 | (eval-and-compile | |
a8151ef7 | 1230 | (autoload 'w3-display "w3-parse") |
6748645f LMI |
1231 | (autoload 'w3-do-setup "w3" "" t) |
1232 | (autoload 'w3-region "w3-display" "" t)) | |
eec82323 LMI |
1233 | |
1234 | (defun gnus-article-treat-html () | |
1235 | "Render HTML." | |
1236 | (interactive) | |
1237 | (let ((cbuf (current-buffer))) | |
1238 | (set-buffer gnus-article-buffer) | |
1239 | (let (buf buffer-read-only b e) | |
a8151ef7 | 1240 | (w3-do-setup) |
eec82323 LMI |
1241 | (goto-char (point-min)) |
1242 | (narrow-to-region | |
1243 | (if (search-forward "\n\n" nil t) | |
1244 | (setq b (point)) | |
1245 | (point-max)) | |
1246 | (setq e (point-max))) | |
1247 | (nnheader-temp-write nil | |
1248 | (insert-buffer-substring gnus-article-buffer b e) | |
a8151ef7 | 1249 | (require 'url) |
eec82323 | 1250 | (save-window-excursion |
a8151ef7 LMI |
1251 | (w3-region (point-min) (point-max)) |
1252 | (setq buf (buffer-substring-no-properties (point-min) (point-max))))) | |
eec82323 LMI |
1253 | (when buf |
1254 | (delete-region (point-min) (point-max)) | |
a8151ef7 | 1255 | (insert buf)) |
eec82323 LMI |
1256 | (widen) |
1257 | (goto-char (point-min)) | |
1258 | (set-window-start (get-buffer-window (current-buffer)) (point-min)) | |
1259 | (set-buffer cbuf)))) | |
1260 | ||
1261 | (defun gnus-article-hidden-arg () | |
1262 | "Return the current prefix arg as a number, or 0 if no prefix." | |
1263 | (list (if current-prefix-arg | |
1264 | (prefix-numeric-value current-prefix-arg) | |
1265 | 0))) | |
1266 | ||
1267 | (defun gnus-article-check-hidden-text (type arg) | |
1268 | "Return nil if hiding is necessary. | |
1269 | Arg can be nil or a number. Nil and positive means hide, negative | |
1270 | means show, 0 means toggle." | |
1271 | (save-excursion | |
1272 | (save-restriction | |
1273 | (widen) | |
1274 | (let ((hide (gnus-article-hidden-text-p type))) | |
1275 | (cond | |
1276 | ((or (null arg) | |
1277 | (> arg 0)) | |
1278 | nil) | |
1279 | ((< arg 0) | |
1280 | (gnus-article-show-hidden-text type)) | |
1281 | (t | |
1282 | (if (eq hide 'hidden) | |
1283 | (gnus-article-show-hidden-text type) | |
1284 | nil))))))) | |
1285 | ||
1286 | (defun gnus-article-hidden-text-p (type) | |
1287 | "Say whether the current buffer contains hidden text of type TYPE." | |
6748645f | 1288 | (let ((pos (text-property-any (point-min) (point-max) 'article-type type))) |
eec82323 LMI |
1289 | (while (and pos |
1290 | (not (get-text-property pos 'invisible))) | |
1291 | (setq pos | |
1292 | (text-property-any (1+ pos) (point-max) 'article-type type))) | |
1293 | (if pos | |
1294 | 'hidden | |
1295 | 'shown))) | |
1296 | ||
1297 | (defun gnus-article-show-hidden-text (type &optional hide) | |
1298 | "Show all hidden text of type TYPE. | |
1299 | If HIDE, hide the text instead." | |
1300 | (save-excursion | |
1301 | (let ((buffer-read-only nil) | |
1302 | (inhibit-point-motion-hooks t) | |
1303 | (end (point-min)) | |
1304 | beg) | |
1305 | (while (setq beg (text-property-any end (point-max) 'article-type type)) | |
1306 | (goto-char beg) | |
1307 | (setq end (or | |
1308 | (text-property-not-all beg (point-max) 'article-type type) | |
1309 | (point-max))) | |
1310 | (if hide | |
1311 | (gnus-article-hide-text beg end gnus-hidden-properties) | |
1312 | (gnus-article-unhide-text beg end)) | |
1313 | (goto-char end)) | |
1314 | t))) | |
1315 | ||
1316 | (defconst article-time-units | |
1317 | `((year . ,(* 365.25 24 60 60)) | |
1318 | (week . ,(* 7 24 60 60)) | |
1319 | (day . ,(* 24 60 60)) | |
1320 | (hour . ,(* 60 60)) | |
1321 | (minute . 60) | |
1322 | (second . 1)) | |
1323 | "Mapping from time units to seconds.") | |
1324 | ||
1325 | (defun article-date-ut (&optional type highlight header) | |
1326 | "Convert DATE date to universal time in the current article. | |
1327 | If TYPE is `local', convert to local time; if it is `lapsed', output | |
1328 | how much time has lapsed since DATE." | |
1329 | (interactive (list 'ut t)) | |
1330 | (let* ((header (or header | |
1331 | (mail-header-date gnus-current-headers) | |
1332 | (message-fetch-field "date") | |
1333 | "")) | |
1334 | (date (if (vectorp header) (mail-header-date header) | |
1335 | header)) | |
1336 | (date-regexp "^Date:[ \t]\\|^X-Sent:[ \t]") | |
1337 | (inhibit-point-motion-hooks t) | |
6748645f | 1338 | bface eface newline) |
eec82323 LMI |
1339 | (when (and date (not (string= date ""))) |
1340 | (save-excursion | |
1341 | (save-restriction | |
1342 | (nnheader-narrow-to-headers) | |
1343 | (let ((buffer-read-only nil)) | |
1344 | ;; Delete any old Date headers. | |
1345 | (if (re-search-forward date-regexp nil t) | |
1346 | (progn | |
1347 | (setq bface (get-text-property (gnus-point-at-bol) 'face) | |
1348 | eface (get-text-property (1- (gnus-point-at-eol)) | |
1349 | 'face)) | |
6748645f LMI |
1350 | (delete-region (progn (beginning-of-line) (point)) |
1351 | (progn (end-of-line) (point))) | |
eec82323 | 1352 | (beginning-of-line)) |
6748645f LMI |
1353 | (goto-char (point-max)) |
1354 | (setq newline t)) | |
eec82323 LMI |
1355 | (insert (article-make-date-line date type)) |
1356 | ;; Do highlighting. | |
6748645f | 1357 | (beginning-of-line) |
eec82323 | 1358 | (when (looking-at "\\([^:]+\\): *\\(.*\\)$") |
6748645f | 1359 | (put-text-property (match-beginning 1) (1+ (match-end 1)) |
eec82323 LMI |
1360 | 'face bface) |
1361 | (put-text-property (match-beginning 2) (match-end 2) | |
6748645f LMI |
1362 | 'face eface)) |
1363 | (when newline | |
1364 | (end-of-line) | |
1365 | (insert "\n")))))))) | |
eec82323 LMI |
1366 | |
1367 | (defun article-make-date-line (date type) | |
1368 | "Return a DATE line of TYPE." | |
1369 | (cond | |
1370 | ;; Convert to the local timezone. We have to slap a | |
1371 | ;; `condition-case' round the calls to the timezone | |
1372 | ;; functions since they aren't particularly resistant to | |
1373 | ;; buggy dates. | |
1374 | ((eq type 'local) | |
1375 | (concat "Date: " (condition-case () | |
1376 | (timezone-make-date-arpa-standard date) | |
6748645f | 1377 | (error date)))) |
eec82323 LMI |
1378 | ;; Convert to Universal Time. |
1379 | ((eq type 'ut) | |
1380 | (concat "Date: " | |
1381 | (condition-case () | |
1382 | (timezone-make-date-arpa-standard date nil "UT") | |
6748645f | 1383 | (error date)))) |
eec82323 LMI |
1384 | ;; Get the original date from the article. |
1385 | ((eq type 'original) | |
6748645f | 1386 | (concat "Date: " date)) |
eec82323 LMI |
1387 | ;; Let the user define the format. |
1388 | ((eq type 'user) | |
6748645f LMI |
1389 | (if (gnus-functionp gnus-article-time-format) |
1390 | (funcall | |
1391 | gnus-article-time-format | |
1392 | (ignore-errors | |
1393 | (gnus-encode-date | |
1394 | (timezone-make-date-arpa-standard | |
1395 | date nil "UT")))) | |
1396 | (concat | |
1397 | "Date: " | |
1398 | (format-time-string gnus-article-time-format | |
1399 | (ignore-errors | |
1400 | (gnus-encode-date | |
1401 | (timezone-make-date-arpa-standard | |
1402 | date nil "UT"))))))) | |
1403 | ;; ISO 8601. | |
1404 | ((eq type 'iso8601) | |
eec82323 LMI |
1405 | (concat |
1406 | "Date: " | |
6748645f | 1407 | (format-time-string "%Y%M%DT%h%m%s" |
eec82323 LMI |
1408 | (ignore-errors |
1409 | (gnus-encode-date | |
1410 | (timezone-make-date-arpa-standard | |
6748645f | 1411 | date nil "UT")))))) |
eec82323 LMI |
1412 | ;; Do an X-Sent lapsed format. |
1413 | ((eq type 'lapsed) | |
1414 | ;; If the date is seriously mangled, the timezone functions are | |
1415 | ;; liable to bug out, so we ignore all errors. | |
1416 | (let* ((now (current-time)) | |
1417 | (real-time | |
1418 | (ignore-errors | |
1419 | (gnus-time-minus | |
1420 | (gnus-encode-date | |
1421 | (timezone-make-date-arpa-standard | |
1422 | (current-time-string now) | |
1423 | (current-time-zone now) "UT")) | |
1424 | (gnus-encode-date | |
1425 | (timezone-make-date-arpa-standard | |
1426 | date nil "UT"))))) | |
1427 | (real-sec (and real-time | |
1428 | (+ (* (float (car real-time)) 65536) | |
1429 | (cadr real-time)))) | |
1430 | (sec (and real-time (abs real-sec))) | |
1431 | num prev) | |
1432 | (cond | |
1433 | ((null real-time) | |
6748645f | 1434 | "X-Sent: Unknown") |
eec82323 | 1435 | ((zerop sec) |
6748645f | 1436 | "X-Sent: Now") |
eec82323 LMI |
1437 | (t |
1438 | (concat | |
1439 | "X-Sent: " | |
1440 | ;; This is a bit convoluted, but basically we go | |
1441 | ;; through the time units for years, weeks, etc, | |
1442 | ;; and divide things to see whether that results | |
1443 | ;; in positive answers. | |
1444 | (mapconcat | |
1445 | (lambda (unit) | |
1446 | (if (zerop (setq num (ffloor (/ sec (cdr unit))))) | |
1447 | ;; The (remaining) seconds are too few to | |
1448 | ;; be divided into this time unit. | |
1449 | "" | |
1450 | ;; It's big enough, so we output it. | |
1451 | (setq sec (- sec (* num (cdr unit)))) | |
1452 | (prog1 | |
1453 | (concat (if prev ", " "") (int-to-string | |
1454 | (floor num)) | |
1455 | " " (symbol-name (car unit)) | |
1456 | (if (> num 1) "s" "")) | |
1457 | (setq prev t)))) | |
1458 | article-time-units "") | |
1459 | ;; If dates are odd, then it might appear like the | |
1460 | ;; article was sent in the future. | |
1461 | (if (> real-sec 0) | |
6748645f LMI |
1462 | " ago" |
1463 | " in the future")))))) | |
eec82323 LMI |
1464 | (t |
1465 | (error "Unknown conversion type: %s" type)))) | |
1466 | ||
1467 | (defun article-date-local (&optional highlight) | |
1468 | "Convert the current article date to the local timezone." | |
1469 | (interactive (list t)) | |
1470 | (article-date-ut 'local highlight)) | |
1471 | ||
1472 | (defun article-date-original (&optional highlight) | |
1473 | "Convert the current article date to what it was originally. | |
1474 | This is only useful if you have used some other date conversion | |
1475 | function and want to see what the date was before converting." | |
1476 | (interactive (list t)) | |
1477 | (article-date-ut 'original highlight)) | |
1478 | ||
1479 | (defun article-date-lapsed (&optional highlight) | |
1480 | "Convert the current article date to time lapsed since it was sent." | |
1481 | (interactive (list t)) | |
1482 | (article-date-ut 'lapsed highlight)) | |
1483 | ||
6748645f LMI |
1484 | (defun article-update-date-lapsed () |
1485 | "Function to be run from a timer to update the lapsed time line." | |
1486 | (let (deactivate-mark) | |
1487 | (save-excursion | |
1488 | (ignore-errors | |
1489 | (when (gnus-buffer-live-p gnus-article-buffer) | |
1490 | (set-buffer gnus-article-buffer) | |
1491 | (goto-char (point-min)) | |
1492 | (when (re-search-forward "^X-Sent:" nil t) | |
1493 | (article-date-lapsed t))))))) | |
1494 | ||
1495 | (defun gnus-start-date-timer (&optional n) | |
1496 | "Start a timer to update the X-Sent header in the article buffers. | |
1497 | The numerical prefix says how frequently (in seconds) the function | |
1498 | is to run." | |
1499 | (interactive "p") | |
1500 | (unless n | |
1501 | (setq n 1)) | |
1502 | (gnus-stop-date-timer) | |
1503 | (setq article-lapsed-timer | |
1504 | (nnheader-run-at-time 1 n 'article-update-date-lapsed))) | |
1505 | ||
1506 | (defun gnus-stop-date-timer () | |
1507 | "Stop the X-Sent timer." | |
1508 | (interactive) | |
1509 | (when article-lapsed-timer | |
1510 | (nnheader-cancel-timer article-lapsed-timer) | |
1511 | (setq article-lapsed-timer nil))) | |
1512 | ||
eec82323 LMI |
1513 | (defun article-date-user (&optional highlight) |
1514 | "Convert the current article date to the user-defined format. | |
1515 | This format is defined by the `gnus-article-time-format' variable." | |
1516 | (interactive (list t)) | |
1517 | (article-date-ut 'user highlight)) | |
1518 | ||
6748645f LMI |
1519 | (defun article-date-iso8601 (&optional highlight) |
1520 | "Convert the current article date to ISO8601." | |
1521 | (interactive (list t)) | |
1522 | (article-date-ut 'iso8601 highlight)) | |
1523 | ||
eec82323 LMI |
1524 | (defun article-show-all () |
1525 | "Show all hidden text in the article buffer." | |
1526 | (interactive) | |
1527 | (save-excursion | |
1528 | (let ((buffer-read-only nil)) | |
1529 | (gnus-article-unhide-text (point-min) (point-max))))) | |
1530 | ||
1531 | (defun article-emphasize (&optional arg) | |
1532 | "Emphasize text according to `gnus-emphasis-alist'." | |
1533 | (interactive (gnus-article-hidden-arg)) | |
1534 | (unless (gnus-article-check-hidden-text 'emphasis arg) | |
1535 | (save-excursion | |
1536 | (let ((alist gnus-emphasis-alist) | |
1537 | (buffer-read-only nil) | |
1538 | (props (append '(article-type emphasis) | |
1539 | gnus-hidden-properties)) | |
1540 | regexp elem beg invisible visible face) | |
1541 | (goto-char (point-min)) | |
1542 | (search-forward "\n\n" nil t) | |
1543 | (setq beg (point)) | |
1544 | (while (setq elem (pop alist)) | |
1545 | (goto-char beg) | |
1546 | (setq regexp (car elem) | |
1547 | invisible (nth 1 elem) | |
1548 | visible (nth 2 elem) | |
1549 | face (nth 3 elem)) | |
1550 | (while (re-search-forward regexp nil t) | |
1551 | (when (and (match-beginning visible) (match-beginning invisible)) | |
1552 | (gnus-article-hide-text | |
1553 | (match-beginning invisible) (match-end invisible) props) | |
1554 | (gnus-article-unhide-text-type | |
1555 | (match-beginning visible) (match-end visible) 'emphasis) | |
1556 | (gnus-put-text-property-excluding-newlines | |
1557 | (match-beginning visible) (match-end visible) 'face face) | |
1558 | (goto-char (match-end invisible))))))))) | |
1559 | ||
1560 | (defvar gnus-summary-article-menu) | |
1561 | (defvar gnus-summary-post-menu) | |
1562 | ||
1563 | ;;; Saving functions. | |
1564 | ||
1565 | (defun gnus-article-save (save-buffer file &optional num) | |
1566 | "Save the currently selected article." | |
1567 | (unless gnus-save-all-headers | |
1568 | ;; Remove headers according to `gnus-saved-headers'. | |
1569 | (let ((gnus-visible-headers | |
1570 | (or gnus-saved-headers gnus-visible-headers)) | |
1571 | (gnus-article-buffer save-buffer)) | |
6748645f LMI |
1572 | (save-excursion |
1573 | (set-buffer save-buffer) | |
1574 | (article-hide-headers 1 t)))) | |
eec82323 LMI |
1575 | (save-window-excursion |
1576 | (if (not gnus-default-article-saver) | |
a8151ef7 | 1577 | (error "No default saver is defined") |
eec82323 LMI |
1578 | ;; !!! Magic! The saving functions all save |
1579 | ;; `gnus-original-article-buffer' (or so they think), but we | |
1580 | ;; bind that variable to our save-buffer. | |
1581 | (set-buffer gnus-article-buffer) | |
1582 | (let* ((gnus-save-article-buffer save-buffer) | |
1583 | (filename | |
1584 | (cond | |
1585 | ((not gnus-prompt-before-saving) 'default) | |
1586 | ((eq gnus-prompt-before-saving 'always) nil) | |
1587 | (t file))) | |
1588 | (gnus-number-of-articles-to-be-saved | |
1589 | (when (eq gnus-prompt-before-saving t) | |
1590 | num))) ; Magic | |
6748645f | 1591 | (set-buffer gnus-article-current-summary) |
eec82323 LMI |
1592 | (funcall gnus-default-article-saver filename))))) |
1593 | ||
1594 | (defun gnus-read-save-file-name (prompt &optional filename | |
1595 | function group headers variable) | |
1596 | (let ((default-name | |
1597 | (funcall function group headers (symbol-value variable))) | |
1598 | result) | |
1599 | (setq | |
1600 | result | |
1601 | (cond | |
1602 | ((eq filename 'default) | |
1603 | default-name) | |
1604 | ((eq filename t) | |
1605 | default-name) | |
1606 | (filename filename) | |
1607 | (t | |
1608 | (let* ((split-name (gnus-get-split-value gnus-split-methods)) | |
1609 | (prompt | |
1610 | (format prompt | |
1611 | (if (and gnus-number-of-articles-to-be-saved | |
1612 | (> gnus-number-of-articles-to-be-saved 1)) | |
1613 | (format "these %d articles" | |
1614 | gnus-number-of-articles-to-be-saved) | |
1615 | "this article"))) | |
1616 | (file | |
1617 | ;; Let the split methods have their say. | |
1618 | (cond | |
1619 | ;; No split name was found. | |
1620 | ((null split-name) | |
1621 | (read-file-name | |
1622 | (concat prompt " (default " | |
1623 | (file-name-nondirectory default-name) ") ") | |
1624 | (file-name-directory default-name) | |
1625 | default-name)) | |
1626 | ;; A single group name is returned. | |
1627 | ((stringp split-name) | |
1628 | (setq default-name | |
1629 | (funcall function split-name headers | |
1630 | (symbol-value variable))) | |
1631 | (read-file-name | |
1632 | (concat prompt " (default " | |
1633 | (file-name-nondirectory default-name) ") ") | |
1634 | (file-name-directory default-name) | |
1635 | default-name)) | |
1636 | ;; A single split name was found | |
1637 | ((= 1 (length split-name)) | |
a8151ef7 LMI |
1638 | (let* ((name (expand-file-name |
1639 | (car split-name) gnus-article-save-directory)) | |
eec82323 LMI |
1640 | (dir (cond ((file-directory-p name) |
1641 | (file-name-as-directory name)) | |
1642 | ((file-exists-p name) name) | |
1643 | (t gnus-article-save-directory)))) | |
1644 | (read-file-name | |
1645 | (concat prompt " (default " name ") ") | |
1646 | dir name))) | |
1647 | ;; A list of splits was found. | |
1648 | (t | |
1649 | (setq split-name (nreverse split-name)) | |
1650 | (let (result) | |
1651 | (let ((file-name-history | |
1652 | (nconc split-name file-name-history))) | |
1653 | (setq result | |
1654 | (expand-file-name | |
1655 | (read-file-name | |
1656 | (concat prompt " (`M-p' for defaults) ") | |
1657 | gnus-article-save-directory | |
1658 | (car split-name)) | |
1659 | gnus-article-save-directory))) | |
1660 | (car (push result file-name-history))))))) | |
1661 | ;; Create the directory. | |
1662 | (gnus-make-directory (file-name-directory file)) | |
1663 | ;; If we have read a directory, we append the default file name. | |
1664 | (when (file-directory-p file) | |
1665 | (setq file (concat (file-name-as-directory file) | |
1666 | (file-name-nondirectory default-name)))) | |
1667 | ;; Possibly translate some characters. | |
1668 | (nnheader-translate-file-chars file))))) | |
1669 | (gnus-make-directory (file-name-directory result)) | |
1670 | (set variable result))) | |
1671 | ||
1672 | (defun gnus-article-archive-name (group) | |
1673 | "Return the first instance of an \"Archive-name\" in the current buffer." | |
1674 | (let ((case-fold-search t)) | |
1675 | (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t) | |
1676 | (nnheader-concat gnus-article-save-directory | |
1677 | (match-string 1))))) | |
1678 | ||
1679 | (defun gnus-article-nndoc-name (group) | |
1680 | "If GROUP is an nndoc group, return the name of the parent group." | |
1681 | (when (eq (car (gnus-find-method-for-group group)) 'nndoc) | |
1682 | (gnus-group-get-parameter group 'save-article-group))) | |
1683 | ||
1684 | (defun gnus-summary-save-in-rmail (&optional filename) | |
1685 | "Append this article to Rmail file. | |
1686 | Optional argument FILENAME specifies file name. | |
1687 | Directory to save to is default to `gnus-article-save-directory'." | |
eec82323 LMI |
1688 | (setq filename (gnus-read-save-file-name |
1689 | "Save %s in rmail file:" filename | |
1690 | gnus-rmail-save-name gnus-newsgroup-name | |
1691 | gnus-current-headers 'gnus-newsgroup-last-rmail)) | |
1692 | (gnus-eval-in-buffer-window gnus-save-article-buffer | |
1693 | (save-excursion | |
1694 | (save-restriction | |
1695 | (widen) | |
6748645f LMI |
1696 | (gnus-output-to-rmail filename)))) |
1697 | filename) | |
eec82323 LMI |
1698 | |
1699 | (defun gnus-summary-save-in-mail (&optional filename) | |
1700 | "Append this article to Unix mail file. | |
1701 | Optional argument FILENAME specifies file name. | |
1702 | Directory to save to is default to `gnus-article-save-directory'." | |
eec82323 LMI |
1703 | (setq filename (gnus-read-save-file-name |
1704 | "Save %s in Unix mail file:" filename | |
1705 | gnus-mail-save-name gnus-newsgroup-name | |
1706 | gnus-current-headers 'gnus-newsgroup-last-mail)) | |
1707 | (gnus-eval-in-buffer-window gnus-save-article-buffer | |
1708 | (save-excursion | |
1709 | (save-restriction | |
1710 | (widen) | |
1711 | (if (and (file-readable-p filename) | |
1712 | (mail-file-babyl-p filename)) | |
1713 | (gnus-output-to-rmail filename t) | |
6748645f LMI |
1714 | (gnus-output-to-mail filename))))) |
1715 | filename) | |
eec82323 LMI |
1716 | |
1717 | (defun gnus-summary-save-in-file (&optional filename overwrite) | |
1718 | "Append this article to file. | |
1719 | Optional argument FILENAME specifies file name. | |
1720 | Directory to save to is default to `gnus-article-save-directory'." | |
eec82323 LMI |
1721 | (setq filename (gnus-read-save-file-name |
1722 | "Save %s in file:" filename | |
1723 | gnus-file-save-name gnus-newsgroup-name | |
1724 | gnus-current-headers 'gnus-newsgroup-last-file)) | |
1725 | (gnus-eval-in-buffer-window gnus-save-article-buffer | |
1726 | (save-excursion | |
1727 | (save-restriction | |
1728 | (widen) | |
1729 | (when (and overwrite | |
1730 | (file-exists-p filename)) | |
1731 | (delete-file filename)) | |
6748645f LMI |
1732 | (gnus-output-to-file filename)))) |
1733 | filename) | |
eec82323 LMI |
1734 | |
1735 | (defun gnus-summary-write-to-file (&optional filename) | |
1736 | "Write this article to a file. | |
1737 | Optional argument FILENAME specifies file name. | |
1738 | The directory to save in defaults to `gnus-article-save-directory'." | |
eec82323 LMI |
1739 | (gnus-summary-save-in-file nil t)) |
1740 | ||
1741 | (defun gnus-summary-save-body-in-file (&optional filename) | |
1742 | "Append this article body to a file. | |
1743 | Optional argument FILENAME specifies file name. | |
1744 | The directory to save in defaults to `gnus-article-save-directory'." | |
eec82323 LMI |
1745 | (setq filename (gnus-read-save-file-name |
1746 | "Save %s body in file:" filename | |
1747 | gnus-file-save-name gnus-newsgroup-name | |
1748 | gnus-current-headers 'gnus-newsgroup-last-file)) | |
1749 | (gnus-eval-in-buffer-window gnus-save-article-buffer | |
1750 | (save-excursion | |
1751 | (save-restriction | |
1752 | (widen) | |
1753 | (goto-char (point-min)) | |
1754 | (when (search-forward "\n\n" nil t) | |
1755 | (narrow-to-region (point) (point-max))) | |
6748645f LMI |
1756 | (gnus-output-to-file filename)))) |
1757 | filename) | |
eec82323 LMI |
1758 | |
1759 | (defun gnus-summary-save-in-pipe (&optional command) | |
1760 | "Pipe this article to subprocess." | |
eec82323 LMI |
1761 | (setq command |
1762 | (cond ((eq command 'default) | |
1763 | gnus-last-shell-command) | |
1764 | (command command) | |
1765 | (t (read-string | |
1766 | (format | |
1767 | "Shell command on %s: " | |
1768 | (if (and gnus-number-of-articles-to-be-saved | |
1769 | (> gnus-number-of-articles-to-be-saved 1)) | |
1770 | (format "these %d articles" | |
1771 | gnus-number-of-articles-to-be-saved) | |
1772 | "this article")) | |
1773 | gnus-last-shell-command)))) | |
1774 | (when (string-equal command "") | |
1775 | (setq command gnus-last-shell-command)) | |
1776 | (gnus-eval-in-buffer-window gnus-article-buffer | |
1777 | (save-restriction | |
1778 | (widen) | |
1779 | (shell-command-on-region (point-min) (point-max) command nil))) | |
1780 | (setq gnus-last-shell-command command)) | |
1781 | ||
1782 | ;;; Article file names when saving. | |
1783 | ||
1784 | (defun gnus-capitalize-newsgroup (newsgroup) | |
1785 | "Capitalize NEWSGROUP name." | |
1786 | (when (not (zerop (length newsgroup))) | |
1787 | (concat (char-to-string (upcase (aref newsgroup 0))) | |
1788 | (substring newsgroup 1)))) | |
1789 | ||
1790 | (defun gnus-Numeric-save-name (newsgroup headers &optional last-file) | |
1791 | "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE. | |
1792 | If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num. | |
1793 | Otherwise, it is like ~/News/news/group/num." | |
1794 | (let ((default | |
1795 | (expand-file-name | |
1796 | (concat (if (gnus-use-long-file-name 'not-save) | |
1797 | (gnus-capitalize-newsgroup newsgroup) | |
1798 | (gnus-newsgroup-directory-form newsgroup)) | |
1799 | "/" (int-to-string (mail-header-number headers))) | |
1800 | gnus-article-save-directory))) | |
1801 | (if (and last-file | |
1802 | (string-equal (file-name-directory default) | |
1803 | (file-name-directory last-file)) | |
1804 | (string-match "^[0-9]+$" (file-name-nondirectory last-file))) | |
1805 | default | |
1806 | (or last-file default)))) | |
1807 | ||
1808 | (defun gnus-numeric-save-name (newsgroup headers &optional last-file) | |
1809 | "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE. | |
1810 | If variable `gnus-use-long-file-name' is non-nil, it is | |
1811 | ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num." | |
1812 | (let ((default | |
1813 | (expand-file-name | |
1814 | (concat (if (gnus-use-long-file-name 'not-save) | |
1815 | newsgroup | |
1816 | (gnus-newsgroup-directory-form newsgroup)) | |
1817 | "/" (int-to-string (mail-header-number headers))) | |
1818 | gnus-article-save-directory))) | |
1819 | (if (and last-file | |
1820 | (string-equal (file-name-directory default) | |
1821 | (file-name-directory last-file)) | |
1822 | (string-match "^[0-9]+$" (file-name-nondirectory last-file))) | |
1823 | default | |
1824 | (or last-file default)))) | |
1825 | ||
1826 | (defun gnus-Plain-save-name (newsgroup headers &optional last-file) | |
1827 | "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE. | |
1828 | If variable `gnus-use-long-file-name' is non-nil, it is | |
1829 | ~/News/News.group. Otherwise, it is like ~/News/news/group/news." | |
1830 | (or last-file | |
1831 | (expand-file-name | |
1832 | (if (gnus-use-long-file-name 'not-save) | |
1833 | (gnus-capitalize-newsgroup newsgroup) | |
1834 | (concat (gnus-newsgroup-directory-form newsgroup) "/news")) | |
1835 | gnus-article-save-directory))) | |
1836 | ||
1837 | (defun gnus-plain-save-name (newsgroup headers &optional last-file) | |
1838 | "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE. | |
1839 | If variable `gnus-use-long-file-name' is non-nil, it is | |
1840 | ~/News/news.group. Otherwise, it is like ~/News/news/group/news." | |
1841 | (or last-file | |
1842 | (expand-file-name | |
1843 | (if (gnus-use-long-file-name 'not-save) | |
1844 | newsgroup | |
1845 | (concat (gnus-newsgroup-directory-form newsgroup) "/news")) | |
1846 | gnus-article-save-directory))) | |
1847 | ||
1848 | (eval-and-compile | |
1849 | (mapcar | |
1850 | (lambda (func) | |
1851 | (let (afunc gfunc) | |
1852 | (if (consp func) | |
1853 | (setq afunc (car func) | |
1854 | gfunc (cdr func)) | |
1855 | (setq afunc func | |
1856 | gfunc (intern (format "gnus-%s" func)))) | |
1857 | (fset gfunc | |
1858 | (if (not (fboundp afunc)) | |
1859 | nil | |
1860 | `(lambda (&optional interactive &rest args) | |
1861 | ,(documentation afunc t) | |
1862 | (interactive (list t)) | |
1863 | (save-excursion | |
1864 | (set-buffer gnus-article-buffer) | |
1865 | (if interactive | |
1866 | (call-interactively ',afunc) | |
1867 | (apply ',afunc args)))))))) | |
1868 | '(article-hide-headers | |
1869 | article-hide-boring-headers | |
1870 | article-treat-overstrike | |
1871 | (article-fill . gnus-article-word-wrap) | |
1872 | article-remove-cr | |
1873 | article-display-x-face | |
1874 | article-de-quoted-unreadable | |
1875 | article-mime-decode-quoted-printable | |
1876 | article-hide-pgp | |
1877 | article-hide-pem | |
1878 | article-hide-signature | |
1879 | article-remove-trailing-blank-lines | |
1880 | article-strip-leading-blank-lines | |
1881 | article-strip-multiple-blank-lines | |
1882 | article-strip-leading-space | |
1883 | article-strip-blank-lines | |
6748645f | 1884 | article-strip-all-blank-lines |
eec82323 | 1885 | article-date-local |
6748645f | 1886 | article-date-iso8601 |
eec82323 LMI |
1887 | article-date-original |
1888 | article-date-ut | |
1889 | article-date-user | |
1890 | article-date-lapsed | |
1891 | article-emphasize | |
6748645f | 1892 | article-treat-dumbquotes |
eec82323 LMI |
1893 | (article-show-all . gnus-article-show-all-headers)))) |
1894 | \f | |
1895 | ;;; | |
1896 | ;;; Gnus article mode | |
1897 | ;;; | |
1898 | ||
1899 | (put 'gnus-article-mode 'mode-class 'special) | |
1900 | ||
a8151ef7 LMI |
1901 | (gnus-define-keys gnus-article-mode-map |
1902 | " " gnus-article-goto-next-page | |
1903 | "\177" gnus-article-goto-prev-page | |
1904 | [delete] gnus-article-goto-prev-page | |
1905 | "\C-c^" gnus-article-refer-article | |
1906 | "h" gnus-article-show-summary | |
1907 | "s" gnus-article-show-summary | |
1908 | "\C-c\C-m" gnus-article-mail | |
1909 | "?" gnus-article-describe-briefly | |
1910 | gnus-mouse-2 gnus-article-push-button | |
1911 | "\r" gnus-article-press-button | |
1912 | "\t" gnus-article-next-button | |
1913 | "\M-\t" gnus-article-prev-button | |
1914 | "e" gnus-article-edit | |
1915 | "<" beginning-of-buffer | |
1916 | ">" end-of-buffer | |
1917 | "\C-c\C-i" gnus-info-find-node | |
1918 | "\C-c\C-b" gnus-bug | |
1919 | ||
1920 | "\C-d" gnus-article-read-summary-keys | |
1921 | "\M-*" gnus-article-read-summary-keys | |
1922 | "\M-#" gnus-article-read-summary-keys | |
1923 | "\M-^" gnus-article-read-summary-keys | |
1924 | "\M-g" gnus-article-read-summary-keys) | |
1925 | ||
1926 | (substitute-key-definition | |
1927 | 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map) | |
eec82323 LMI |
1928 | |
1929 | (defun gnus-article-make-menu-bar () | |
1930 | (gnus-turn-off-edit-menu 'article) | |
1931 | (unless (boundp 'gnus-article-article-menu) | |
1932 | (easy-menu-define | |
1933 | gnus-article-article-menu gnus-article-mode-map "" | |
1934 | '("Article" | |
1935 | ["Scroll forwards" gnus-article-goto-next-page t] | |
1936 | ["Scroll backwards" gnus-article-goto-prev-page t] | |
1937 | ["Show summary" gnus-article-show-summary t] | |
1938 | ["Fetch Message-ID at point" gnus-article-refer-article t] | |
6748645f LMI |
1939 | ["Mail to address at point" gnus-article-mail t] |
1940 | ["Send a bug report" gnus-bug t])) | |
eec82323 LMI |
1941 | |
1942 | (easy-menu-define | |
1943 | gnus-article-treatment-menu gnus-article-mode-map "" | |
1944 | '("Treatment" | |
1945 | ["Hide headers" gnus-article-hide-headers t] | |
1946 | ["Hide signature" gnus-article-hide-signature t] | |
1947 | ["Hide citation" gnus-article-hide-citation t] | |
1948 | ["Treat overstrike" gnus-article-treat-overstrike t] | |
1949 | ["Remove carriage return" gnus-article-remove-cr t] | |
1950 | ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t])) | |
1951 | ||
6748645f | 1952 | ;; Note "Commands" menu is defined in gnus-sum.el for consistency |
eec82323 LMI |
1953 | |
1954 | (when (boundp 'gnus-summary-post-menu) | |
1955 | (define-key gnus-article-mode-map [menu-bar post] | |
1956 | (cons "Post" gnus-summary-post-menu))) | |
1957 | ||
6748645f | 1958 | (gnus-run-hooks 'gnus-article-menu-hook))) |
eec82323 LMI |
1959 | |
1960 | (defun gnus-article-mode () | |
1961 | "Major mode for displaying an article. | |
1962 | ||
1963 | All normal editing commands are switched off. | |
1964 | ||
1965 | The following commands are available in addition to all summary mode | |
1966 | commands: | |
1967 | \\<gnus-article-mode-map> | |
1968 | \\[gnus-article-next-page]\t Scroll the article one page forwards | |
1969 | \\[gnus-article-prev-page]\t Scroll the article one page backwards | |
1970 | \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point | |
1971 | \\[gnus-article-show-summary]\t Display the summary buffer | |
1972 | \\[gnus-article-mail]\t Send a reply to the address near point | |
1973 | \\[gnus-article-describe-briefly]\t Describe the current mode briefly | |
1974 | \\[gnus-info-find-node]\t Go to the Gnus info node" | |
1975 | (interactive) | |
1976 | (when (gnus-visual-p 'article-menu 'menu) | |
1977 | (gnus-article-make-menu-bar)) | |
eec82323 LMI |
1978 | (gnus-simplify-mode-line) |
1979 | (setq mode-name "Article") | |
1980 | (setq major-mode 'gnus-article-mode) | |
1981 | (make-local-variable 'minor-mode-alist) | |
1982 | (unless (assq 'gnus-show-mime minor-mode-alist) | |
1983 | (push (list 'gnus-show-mime " MIME") minor-mode-alist)) | |
1984 | (use-local-map gnus-article-mode-map) | |
1985 | (gnus-update-format-specifications nil 'article-mode) | |
1986 | (set (make-local-variable 'page-delimiter) gnus-page-delimiter) | |
6748645f LMI |
1987 | (make-local-variable 'gnus-page-broken) |
1988 | (make-local-variable 'gnus-button-marker-list) | |
1989 | (make-local-variable 'gnus-article-current-summary) | |
eec82323 LMI |
1990 | (gnus-set-default-directory) |
1991 | (buffer-disable-undo (current-buffer)) | |
1992 | (setq buffer-read-only t) | |
1993 | (set-syntax-table gnus-article-mode-syntax-table) | |
6748645f | 1994 | (gnus-run-hooks 'gnus-article-mode-hook)) |
eec82323 LMI |
1995 | |
1996 | (defun gnus-article-setup-buffer () | |
1997 | "Initialize the article buffer." | |
1998 | (let* ((name (if gnus-single-article-buffer "*Article*" | |
1999 | (concat "*Article " gnus-newsgroup-name "*"))) | |
2000 | (original | |
2001 | (progn (string-match "\\*Article" name) | |
2002 | (concat " *Original Article" | |
2003 | (substring name (match-end 0)))))) | |
2004 | (setq gnus-article-buffer name) | |
2005 | (setq gnus-original-article-buffer original) | |
2006 | ;; This might be a variable local to the summary buffer. | |
2007 | (unless gnus-single-article-buffer | |
2008 | (save-excursion | |
2009 | (set-buffer gnus-summary-buffer) | |
2010 | (setq gnus-article-buffer name) | |
2011 | (setq gnus-original-article-buffer original) | |
2012 | (gnus-set-global-variables))) | |
2013 | ;; Init original article buffer. | |
2014 | (save-excursion | |
6748645f | 2015 | (set-buffer (gnus-get-buffer-create gnus-original-article-buffer)) |
eec82323 LMI |
2016 | (buffer-disable-undo (current-buffer)) |
2017 | (setq major-mode 'gnus-original-article-mode) | |
eec82323 LMI |
2018 | (make-local-variable 'gnus-original-article)) |
2019 | (if (get-buffer name) | |
2020 | (save-excursion | |
2021 | (set-buffer name) | |
2022 | (buffer-disable-undo (current-buffer)) | |
2023 | (setq buffer-read-only t) | |
eec82323 LMI |
2024 | (unless (eq major-mode 'gnus-article-mode) |
2025 | (gnus-article-mode)) | |
2026 | (current-buffer)) | |
2027 | (save-excursion | |
6748645f | 2028 | (set-buffer (gnus-get-buffer-create name)) |
eec82323 LMI |
2029 | (gnus-article-mode) |
2030 | (make-local-variable 'gnus-summary-buffer) | |
2031 | (current-buffer))))) | |
2032 | ||
2033 | ;; Set article window start at LINE, where LINE is the number of lines | |
2034 | ;; from the head of the article. | |
2035 | (defun gnus-article-set-window-start (&optional line) | |
2036 | (set-window-start | |
2037 | (get-buffer-window gnus-article-buffer t) | |
2038 | (save-excursion | |
2039 | (set-buffer gnus-article-buffer) | |
2040 | (goto-char (point-min)) | |
2041 | (if (not line) | |
2042 | (point-min) | |
2043 | (gnus-message 6 "Moved to bookmark") | |
2044 | (search-forward "\n\n" nil t) | |
2045 | (forward-line line) | |
2046 | (point))))) | |
2047 | ||
2048 | (defun gnus-article-prepare (article &optional all-headers header) | |
2049 | "Prepare ARTICLE in article mode buffer. | |
2050 | ARTICLE should either be an article number or a Message-ID. | |
2051 | If ARTICLE is an id, HEADER should be the article headers. | |
2052 | If ALL-HEADERS is non-nil, no headers are hidden." | |
2053 | (save-excursion | |
2054 | ;; Make sure we start in a summary buffer. | |
2055 | (unless (eq major-mode 'gnus-summary-mode) | |
2056 | (set-buffer gnus-summary-buffer)) | |
2057 | (setq gnus-summary-buffer (current-buffer)) | |
eec82323 LMI |
2058 | (let* ((gnus-article (if header (mail-header-number header) article)) |
2059 | (summary-buffer (current-buffer)) | |
6748645f | 2060 | (gnus-tmp-internal-hook gnus-article-internal-prepare-hook) |
eec82323 LMI |
2061 | (group gnus-newsgroup-name) |
2062 | result) | |
2063 | (save-excursion | |
2064 | (gnus-article-setup-buffer) | |
2065 | (set-buffer gnus-article-buffer) | |
2066 | ;; Deactivate active regions. | |
2067 | (when (and (boundp 'transient-mark-mode) | |
2068 | transient-mark-mode) | |
2069 | (setq mark-active nil)) | |
2070 | (if (not (setq result (let ((buffer-read-only nil)) | |
2071 | (gnus-request-article-this-buffer | |
2072 | article group)))) | |
2073 | ;; There is no such article. | |
2074 | (save-excursion | |
2075 | (when (and (numberp article) | |
2076 | (not (memq article gnus-newsgroup-sparse))) | |
2077 | (setq gnus-article-current | |
2078 | (cons gnus-newsgroup-name article)) | |
2079 | (set-buffer gnus-summary-buffer) | |
2080 | (setq gnus-current-article article) | |
6748645f LMI |
2081 | (if (eq (gnus-article-mark article) gnus-undownloaded-mark) |
2082 | (progn | |
2083 | (gnus-summary-set-agent-mark article) | |
2084 | (message "Message marked for downloading")) | |
2085 | (gnus-summary-mark-article article gnus-canceled-mark) | |
2086 | (unless (memq article gnus-newsgroup-sparse) | |
2087 | (gnus-error 1 | |
2088 | "No such article (may have expired or been canceled)"))))) | |
2089 | (if (or (eq result 'pseudo) | |
2090 | (eq result 'nneething)) | |
eec82323 LMI |
2091 | (progn |
2092 | (save-excursion | |
2093 | (set-buffer summary-buffer) | |
6748645f | 2094 | (push article gnus-newsgroup-history) |
eec82323 | 2095 | (setq gnus-last-article gnus-current-article |
eec82323 LMI |
2096 | gnus-current-article 0 |
2097 | gnus-current-headers nil | |
2098 | gnus-article-current nil) | |
2099 | (if (eq result 'nneething) | |
2100 | (gnus-configure-windows 'summary) | |
2101 | (gnus-configure-windows 'article)) | |
2102 | (gnus-set-global-variables)) | |
2103 | (gnus-set-mode-line 'article)) | |
2104 | ;; The result from the `request' was an actual article - | |
2105 | ;; or at least some text that is now displayed in the | |
2106 | ;; article buffer. | |
2107 | (when (and (numberp article) | |
2108 | (not (eq article gnus-current-article))) | |
2109 | ;; Seems like a new article has been selected. | |
2110 | ;; `gnus-current-article' must be an article number. | |
2111 | (save-excursion | |
2112 | (set-buffer summary-buffer) | |
6748645f | 2113 | (push article gnus-newsgroup-history) |
eec82323 | 2114 | (setq gnus-last-article gnus-current-article |
eec82323 LMI |
2115 | gnus-current-article article |
2116 | gnus-current-headers | |
2117 | (gnus-summary-article-header gnus-current-article) | |
2118 | gnus-article-current | |
2119 | (cons gnus-newsgroup-name gnus-current-article)) | |
2120 | (unless (vectorp gnus-current-headers) | |
2121 | (setq gnus-current-headers nil)) | |
6748645f LMI |
2122 | (gnus-summary-goto-subject gnus-current-article) |
2123 | (when (gnus-summary-show-thread) | |
2124 | ;; If the summary buffer really was folded, the | |
2125 | ;; previous goto may not actually have gone to | |
2126 | ;; the right article, but the thread root instead. | |
2127 | ;; So we go again. | |
2128 | (gnus-summary-goto-subject gnus-current-article)) | |
2129 | (gnus-run-hooks 'gnus-mark-article-hook) | |
eec82323 LMI |
2130 | (gnus-set-mode-line 'summary) |
2131 | (when (gnus-visual-p 'article-highlight 'highlight) | |
6748645f | 2132 | (gnus-run-hooks 'gnus-visual-mark-article-hook)) |
eec82323 LMI |
2133 | ;; Set the global newsgroup variables here. |
2134 | ;; Suggested by Jim Sisolak | |
2135 | ;; <sisolak@trans4.neep.wisc.edu>. | |
2136 | (gnus-set-global-variables) | |
2137 | (setq gnus-have-all-headers | |
6748645f | 2138 | (or all-headers gnus-show-all-headers)))) |
eec82323 LMI |
2139 | (when (or (numberp article) |
2140 | (stringp article)) | |
2141 | ;; Hooks for getting information from the article. | |
2142 | ;; This hook must be called before being narrowed. | |
2143 | (let (buffer-read-only) | |
6748645f LMI |
2144 | (gnus-run-hooks 'gnus-tmp-internal-hook) |
2145 | (gnus-run-hooks 'gnus-article-prepare-hook) | |
eec82323 | 2146 | ;; Decode MIME message. |
6748645f LMI |
2147 | (if gnus-show-mime |
2148 | (if (or (not gnus-strict-mime) | |
2149 | (gnus-fetch-field "Mime-Version")) | |
2150 | (let ((coding-system-for-write 'binary) | |
2151 | (coding-system-for-read 'binary)) | |
2152 | (funcall gnus-show-mime-method)) | |
2153 | (funcall gnus-decode-encoded-word-method)) | |
2154 | (funcall gnus-show-traditional-method)) | |
eec82323 | 2155 | ;; Perform the article display hooks. |
6748645f | 2156 | (gnus-run-hooks 'gnus-article-display-hook)) |
eec82323 LMI |
2157 | ;; Do page break. |
2158 | (goto-char (point-min)) | |
2159 | (setq gnus-page-broken | |
2160 | (when gnus-break-pages | |
2161 | (gnus-narrow-to-page) | |
2162 | t))) | |
2163 | (gnus-set-mode-line 'article) | |
2164 | (gnus-configure-windows 'article) | |
2165 | (goto-char (point-min)) | |
6748645f LMI |
2166 | (search-forward "\n\n" nil t) |
2167 | (set-window-point (get-buffer-window (current-buffer)) (point)) | |
eec82323 LMI |
2168 | t)))))) |
2169 | ||
2170 | (defun gnus-article-wash-status () | |
2171 | "Return a string which display status of article washing." | |
2172 | (save-excursion | |
2173 | (set-buffer gnus-article-buffer) | |
2174 | (let ((cite (gnus-article-hidden-text-p 'cite)) | |
2175 | (headers (gnus-article-hidden-text-p 'headers)) | |
2176 | (boring (gnus-article-hidden-text-p 'boring-headers)) | |
2177 | (pgp (gnus-article-hidden-text-p 'pgp)) | |
2178 | (pem (gnus-article-hidden-text-p 'pem)) | |
2179 | (signature (gnus-article-hidden-text-p 'signature)) | |
2180 | (overstrike (gnus-article-hidden-text-p 'overstrike)) | |
2181 | (emphasis (gnus-article-hidden-text-p 'emphasis)) | |
2182 | (mime gnus-show-mime)) | |
2183 | (format "%c%c%c%c%c%c%c" | |
2184 | (if cite ?c ? ) | |
2185 | (if (or headers boring) ?h ? ) | |
2186 | (if (or pgp pem) ?p ? ) | |
2187 | (if signature ?s ? ) | |
2188 | (if overstrike ?o ? ) | |
2189 | (if mime ?m ? ) | |
2190 | (if emphasis ?e ? ))))) | |
2191 | ||
6748645f LMI |
2192 | (fset 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers) |
2193 | ||
2194 | (defun gnus-article-maybe-hide-headers () | |
eec82323 LMI |
2195 | "Hide unwanted headers if `gnus-have-all-headers' is nil. |
2196 | Provided for backwards compatibility." | |
2197 | (or (save-excursion (set-buffer gnus-summary-buffer) gnus-have-all-headers) | |
2198 | gnus-inhibit-hiding | |
2199 | (gnus-article-hide-headers))) | |
2200 | ||
2201 | ;;; Article savers. | |
2202 | ||
2203 | (defun gnus-output-to-file (file-name) | |
2204 | "Append the current article to a file named FILE-NAME." | |
2205 | (let ((artbuf (current-buffer))) | |
2206 | (nnheader-temp-write nil | |
2207 | (insert-buffer-substring artbuf) | |
2208 | ;; Append newline at end of the buffer as separator, and then | |
2209 | ;; save it to file. | |
2210 | (goto-char (point-max)) | |
2211 | (insert "\n") | |
a8151ef7 LMI |
2212 | (append-to-file (point-min) (point-max) file-name) |
2213 | t))) | |
eec82323 LMI |
2214 | |
2215 | (defun gnus-narrow-to-page (&optional arg) | |
2216 | "Narrow the article buffer to a page. | |
2217 | If given a numerical ARG, move forward ARG pages." | |
2218 | (interactive "P") | |
2219 | (setq arg (if arg (prefix-numeric-value arg) 0)) | |
2220 | (save-excursion | |
2221 | (set-buffer gnus-article-buffer) | |
2222 | (goto-char (point-min)) | |
2223 | (widen) | |
2224 | ;; Remove any old next/prev buttons. | |
2225 | (when (gnus-visual-p 'page-marker) | |
2226 | (let ((buffer-read-only nil)) | |
2227 | (gnus-remove-text-with-property 'gnus-prev) | |
2228 | (gnus-remove-text-with-property 'gnus-next))) | |
2229 | (when | |
2230 | (cond ((< arg 0) | |
2231 | (re-search-backward page-delimiter nil 'move (1+ (abs arg)))) | |
2232 | ((> arg 0) | |
2233 | (re-search-forward page-delimiter nil 'move arg))) | |
2234 | (goto-char (match-end 0))) | |
2235 | (narrow-to-region | |
2236 | (point) | |
2237 | (if (re-search-forward page-delimiter nil 'move) | |
2238 | (match-beginning 0) | |
2239 | (point))) | |
2240 | (when (and (gnus-visual-p 'page-marker) | |
2241 | (not (= (point-min) 1))) | |
2242 | (save-excursion | |
2243 | (goto-char (point-min)) | |
2244 | (gnus-insert-prev-page-button))) | |
2245 | (when (and (gnus-visual-p 'page-marker) | |
2246 | (< (+ (point-max) 2) (buffer-size))) | |
2247 | (save-excursion | |
2248 | (goto-char (point-max)) | |
2249 | (gnus-insert-next-page-button))))) | |
2250 | ||
2251 | ;; Article mode commands | |
2252 | ||
2253 | (defun gnus-article-goto-next-page () | |
2254 | "Show the next page of the article." | |
2255 | (interactive) | |
2256 | (when (gnus-article-next-page) | |
2257 | (goto-char (point-min)) | |
2258 | (gnus-article-read-summary-keys nil (gnus-character-to-event ?n)))) | |
2259 | ||
2260 | (defun gnus-article-goto-prev-page () | |
2261 | "Show the next page of the article." | |
2262 | (interactive) | |
2263 | (if (bobp) (gnus-article-read-summary-keys nil (gnus-character-to-event ?p)) | |
2264 | (gnus-article-prev-page nil))) | |
2265 | ||
2266 | (defun gnus-article-next-page (&optional lines) | |
2267 | "Show the next page of the current article. | |
2268 | If end of article, return non-nil. Otherwise return nil. | |
2269 | Argument LINES specifies lines to be scrolled up." | |
2270 | (interactive "p") | |
2271 | (move-to-window-line -1) | |
2272 | (if (save-excursion | |
2273 | (end-of-line) | |
2274 | (and (pos-visible-in-window-p) ;Not continuation line. | |
2275 | (eobp))) | |
2276 | ;; Nothing in this page. | |
2277 | (if (or (not gnus-page-broken) | |
2278 | (save-excursion | |
2279 | (save-restriction | |
2280 | (widen) (forward-line 1) (eobp)))) ;Real end-of-buffer? | |
2281 | t ;Nothing more. | |
2282 | (gnus-narrow-to-page 1) ;Go to next page. | |
2283 | nil) | |
2284 | ;; More in this page. | |
2285 | (let ((scroll-in-place nil)) | |
2286 | (condition-case () | |
2287 | (scroll-up lines) | |
2288 | (end-of-buffer | |
2289 | ;; Long lines may cause an end-of-buffer error. | |
2290 | (goto-char (point-max))))) | |
2291 | (move-to-window-line 0) | |
2292 | nil)) | |
2293 | ||
2294 | (defun gnus-article-prev-page (&optional lines) | |
2295 | "Show previous page of current article. | |
2296 | Argument LINES specifies lines to be scrolled down." | |
2297 | (interactive "p") | |
2298 | (move-to-window-line 0) | |
2299 | (if (and gnus-page-broken | |
2300 | (bobp) | |
2301 | (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer? | |
2302 | (progn | |
2303 | (gnus-narrow-to-page -1) ;Go to previous page. | |
2304 | (goto-char (point-max)) | |
2305 | (recenter -1)) | |
2306 | (let ((scroll-in-place nil)) | |
2307 | (prog1 | |
2308 | (condition-case () | |
2309 | (scroll-down lines) | |
2310 | (beginning-of-buffer | |
2311 | (goto-char (point-min)))) | |
2312 | (move-to-window-line 0))))) | |
2313 | ||
2314 | (defun gnus-article-refer-article () | |
2315 | "Read article specified by message-id around point." | |
2316 | (interactive) | |
2317 | (let ((point (point))) | |
2318 | (search-forward ">" nil t) ;Move point to end of "<....>". | |
2319 | (if (re-search-backward "\\(<[^<> \t\n]+>\\)" nil t) | |
2320 | (let ((message-id (match-string 1))) | |
2321 | (goto-char point) | |
2322 | (set-buffer gnus-summary-buffer) | |
2323 | (gnus-summary-refer-article message-id)) | |
2324 | (goto-char (point)) | |
2325 | (error "No references around point")))) | |
2326 | ||
2327 | (defun gnus-article-show-summary () | |
2328 | "Reconfigure windows to show summary buffer." | |
2329 | (interactive) | |
2330 | (if (not (gnus-buffer-live-p gnus-summary-buffer)) | |
2331 | (error "There is no summary buffer for this article buffer") | |
a8151ef7 | 2332 | (gnus-article-set-globals) |
eec82323 | 2333 | (gnus-configure-windows 'article) |
6748645f LMI |
2334 | (gnus-summary-goto-subject gnus-current-article) |
2335 | (gnus-summary-position-point))) | |
eec82323 LMI |
2336 | |
2337 | (defun gnus-article-describe-briefly () | |
2338 | "Describe article mode commands briefly." | |
2339 | (interactive) | |
2340 | (gnus-message 6 | |
2341 | (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"))) | |
2342 | ||
2343 | (defun gnus-article-summary-command () | |
2344 | "Execute the last keystroke in the summary buffer." | |
2345 | (interactive) | |
2346 | (let ((obuf (current-buffer)) | |
2347 | (owin (current-window-configuration)) | |
2348 | func) | |
6748645f | 2349 | (switch-to-buffer gnus-article-current-summary 'norecord) |
eec82323 LMI |
2350 | (setq func (lookup-key (current-local-map) (this-command-keys))) |
2351 | (call-interactively func) | |
2352 | (set-buffer obuf) | |
2353 | (set-window-configuration owin) | |
2354 | (set-window-point (get-buffer-window (current-buffer)) (point)))) | |
2355 | ||
2356 | (defun gnus-article-summary-command-nosave () | |
2357 | "Execute the last keystroke in the summary buffer." | |
2358 | (interactive) | |
2359 | (let (func) | |
6748645f | 2360 | (pop-to-buffer gnus-article-current-summary 'norecord) |
eec82323 LMI |
2361 | (setq func (lookup-key (current-local-map) (this-command-keys))) |
2362 | (call-interactively func))) | |
2363 | ||
2364 | (defun gnus-article-read-summary-keys (&optional arg key not-restore-window) | |
2365 | "Read a summary buffer key sequence and execute it from the article buffer." | |
2366 | (interactive "P") | |
2367 | (let ((nosaves | |
6748645f LMI |
2368 | '("q" "Q" "c" "r" "R" "\C-c\C-f" "m" "a" "f" "F" |
2369 | "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP" | |
2370 | "=" "^" "\M-^" "|")) | |
2371 | (nosave-but-article | |
2372 | '("A\r")) | |
2373 | (nosave-in-article | |
2374 | '("\C-d")) | |
2375 | (up-to-top | |
2376 | '("n" "Gn" "p" "Gp")) | |
2377 | keys new-sum-point) | |
eec82323 | 2378 | (save-excursion |
6748645f | 2379 | (set-buffer gnus-article-current-summary) |
eec82323 | 2380 | (let (gnus-pick-mode) |
6748645f LMI |
2381 | (push (or key last-command-event) unread-command-events) |
2382 | (setq keys (read-key-sequence nil)))) | |
eec82323 LMI |
2383 | (message "") |
2384 | ||
2385 | (if (or (member keys nosaves) | |
6748645f LMI |
2386 | (member keys nosave-but-article) |
2387 | (member keys nosave-in-article)) | |
2388 | (let (func) | |
2389 | (save-window-excursion | |
2390 | (pop-to-buffer gnus-article-current-summary 'norecord) | |
2391 | ;; We disable the pick minor mode commands. | |
2392 | (let (gnus-pick-mode) | |
2393 | (setq func (lookup-key (current-local-map) keys)))) | |
2394 | (if (not func) | |
2395 | (ding) | |
2396 | (unless (member keys nosave-in-article) | |
2397 | (set-buffer gnus-article-current-summary)) | |
2398 | (call-interactively func) | |
2399 | (setq new-sum-point (point))) | |
2400 | (when (member keys nosave-but-article) | |
2401 | (pop-to-buffer gnus-article-buffer 'norecord))) | |
eec82323 LMI |
2402 | ;; These commands should restore window configuration. |
2403 | (let ((obuf (current-buffer)) | |
6748645f LMI |
2404 | (owin (current-window-configuration)) |
2405 | (opoint (point)) | |
2406 | (summary gnus-article-current-summary) | |
2407 | func in-buffer selected) | |
2408 | (if not-restore-window | |
2409 | (pop-to-buffer summary 'norecord) | |
2410 | (switch-to-buffer summary 'norecord)) | |
2411 | (setq in-buffer (current-buffer)) | |
2412 | ;; We disable the pick minor mode commands. | |
2413 | (if (setq func (let (gnus-pick-mode) | |
2414 | (lookup-key (current-local-map) keys))) | |
2415 | (progn | |
2416 | (call-interactively func) | |
2417 | (setq new-sum-point (point))) | |
2418 | (ding)) | |
2419 | (when (eq in-buffer (current-buffer)) | |
2420 | (setq selected (gnus-summary-select-article)) | |
2421 | (set-buffer obuf) | |
2422 | (unless not-restore-window | |
2423 | (set-window-configuration owin)) | |
2424 | (unless (or (not (eq selected 'old)) (member keys up-to-top)) | |
2425 | (set-window-point (get-buffer-window (current-buffer)) | |
2426 | opoint)) | |
2427 | (let ((win (get-buffer-window gnus-article-current-summary))) | |
2428 | (when win | |
2429 | (set-window-point win new-sum-point)))))))) | |
eec82323 LMI |
2430 | |
2431 | (defun gnus-article-hide (&optional arg force) | |
2432 | "Hide all the gruft in the current article. | |
2433 | This means that PGP stuff, signatures, cited text and (some) | |
2434 | headers will be hidden. | |
2435 | If given a prefix, show the hidden text instead." | |
6748645f | 2436 | (interactive (append (gnus-article-hidden-arg) (list 'force))) |
eec82323 LMI |
2437 | (gnus-article-hide-headers arg) |
2438 | (gnus-article-hide-pgp arg) | |
2439 | (gnus-article-hide-citation-maybe arg force) | |
2440 | (gnus-article-hide-signature arg)) | |
2441 | ||
2442 | (defun gnus-article-maybe-highlight () | |
6748645f | 2443 | "Do some article highlighting if article highlighting is requested." |
eec82323 LMI |
2444 | (when (gnus-visual-p 'article-highlight 'highlight) |
2445 | (gnus-article-highlight-some))) | |
2446 | ||
6748645f LMI |
2447 | (defun gnus-check-group-server () |
2448 | ;; Make sure the connection to the server is alive. | |
2449 | (unless (gnus-server-opened | |
2450 | (gnus-find-method-for-group gnus-newsgroup-name)) | |
2451 | (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name)) | |
2452 | (gnus-request-group gnus-newsgroup-name t))) | |
2453 | ||
eec82323 LMI |
2454 | (defun gnus-request-article-this-buffer (article group) |
2455 | "Get an article and insert it into this buffer." | |
6748645f | 2456 | (let (do-update-line sparse-header) |
eec82323 LMI |
2457 | (prog1 |
2458 | (save-excursion | |
2459 | (erase-buffer) | |
2460 | (gnus-kill-all-overlays) | |
2461 | (setq group (or group gnus-newsgroup-name)) | |
2462 | ||
eec82323 LMI |
2463 | ;; Using `gnus-request-article' directly will insert the article into |
2464 | ;; `nntp-server-buffer' - so we'll save some time by not having to | |
2465 | ;; copy it from the server buffer into the article buffer. | |
2466 | ||
2467 | ;; We only request an article by message-id when we do not have the | |
2468 | ;; headers for it, so we'll have to get those. | |
2469 | (when (stringp article) | |
2470 | (let ((gnus-override-method gnus-refer-article-method)) | |
2471 | (gnus-read-header article))) | |
2472 | ||
2473 | ;; If the article number is negative, that means that this article | |
2474 | ;; doesn't belong in this newsgroup (possibly), so we find its | |
2475 | ;; message-id and request it by id instead of number. | |
2476 | (when (and (numberp article) | |
2477 | gnus-summary-buffer | |
2478 | (get-buffer gnus-summary-buffer) | |
6748645f | 2479 | (gnus-buffer-exists-p gnus-summary-buffer)) |
eec82323 LMI |
2480 | (save-excursion |
2481 | (set-buffer gnus-summary-buffer) | |
2482 | (let ((header (gnus-summary-article-header article))) | |
2483 | (when (< article 0) | |
2484 | (cond | |
2485 | ((memq article gnus-newsgroup-sparse) | |
2486 | ;; This is a sparse gap article. | |
2487 | (setq do-update-line article) | |
2488 | (setq article (mail-header-id header)) | |
2489 | (let ((gnus-override-method gnus-refer-article-method)) | |
6748645f | 2490 | (setq sparse-header (gnus-read-header article))) |
eec82323 LMI |
2491 | (setq gnus-newsgroup-sparse |
2492 | (delq article gnus-newsgroup-sparse))) | |
2493 | ((vectorp header) | |
2494 | ;; It's a real article. | |
2495 | (setq article (mail-header-id header))) | |
2496 | (t | |
2497 | ;; It is an extracted pseudo-article. | |
2498 | (setq article 'pseudo) | |
2499 | (gnus-request-pseudo-article header)))) | |
2500 | ||
2501 | (let ((method (gnus-find-method-for-group | |
2502 | gnus-newsgroup-name))) | |
6748645f LMI |
2503 | (when (and (eq (car method) 'nneething) |
2504 | (vectorp header)) | |
2505 | (let ((dir (concat | |
2506 | (file-name-as-directory | |
2507 | (or (cadr (assq 'nneething-address method)) | |
2508 | (nth 1 method))) | |
2509 | (mail-header-subject header)))) | |
eec82323 LMI |
2510 | (when (file-directory-p dir) |
2511 | (setq article 'nneething) | |
2512 | (gnus-group-enter-directory dir)))))))) | |
2513 | ||
2514 | (cond | |
2515 | ;; Refuse to select canceled articles. | |
2516 | ((and (numberp article) | |
2517 | gnus-summary-buffer | |
2518 | (get-buffer gnus-summary-buffer) | |
6748645f | 2519 | (gnus-buffer-exists-p gnus-summary-buffer) |
eec82323 LMI |
2520 | (eq (cdr (save-excursion |
2521 | (set-buffer gnus-summary-buffer) | |
2522 | (assq article gnus-newsgroup-reads))) | |
2523 | gnus-canceled-mark)) | |
2524 | nil) | |
2525 | ;; We first check `gnus-original-article-buffer'. | |
2526 | ((and (get-buffer gnus-original-article-buffer) | |
2527 | (numberp article) | |
2528 | (save-excursion | |
2529 | (set-buffer gnus-original-article-buffer) | |
2530 | (and (equal (car gnus-original-article) group) | |
2531 | (eq (cdr gnus-original-article) article)))) | |
2532 | (insert-buffer-substring gnus-original-article-buffer) | |
2533 | 'article) | |
2534 | ;; Check the backlog. | |
2535 | ((and gnus-keep-backlog | |
2536 | (gnus-backlog-request-article group article (current-buffer))) | |
2537 | 'article) | |
2538 | ;; Check asynchronous pre-fetch. | |
2539 | ((gnus-async-request-fetched-article group article (current-buffer)) | |
2540 | (gnus-async-prefetch-next group article gnus-summary-buffer) | |
6748645f LMI |
2541 | (when (and (numberp article) gnus-keep-backlog) |
2542 | (gnus-backlog-enter-article group article (current-buffer))) | |
eec82323 LMI |
2543 | 'article) |
2544 | ;; Check the cache. | |
2545 | ((and gnus-use-cache | |
2546 | (numberp article) | |
2547 | (gnus-cache-request-article article group)) | |
2548 | 'article) | |
2549 | ;; Get the article and put into the article buffer. | |
2550 | ((or (stringp article) (numberp article)) | |
2551 | (let ((gnus-override-method | |
2552 | (and (stringp article) gnus-refer-article-method)) | |
2553 | (buffer-read-only nil)) | |
2554 | (erase-buffer) | |
2555 | (gnus-kill-all-overlays) | |
6748645f | 2556 | (gnus-check-group-server) |
eec82323 LMI |
2557 | (when (gnus-request-article article group (current-buffer)) |
2558 | (when (numberp article) | |
2559 | (gnus-async-prefetch-next group article gnus-summary-buffer) | |
2560 | (when gnus-keep-backlog | |
2561 | (gnus-backlog-enter-article | |
2562 | group article (current-buffer)))) | |
2563 | 'article))) | |
2564 | ;; It was a pseudo. | |
2565 | (t article))) | |
2566 | ||
6748645f LMI |
2567 | ;; Associate this article with the current summary buffer. |
2568 | (setq gnus-article-current-summary gnus-summary-buffer) | |
2569 | ||
eec82323 LMI |
2570 | ;; Take the article from the original article buffer |
2571 | ;; and place it in the buffer it's supposed to be in. | |
2572 | (when (and (get-buffer gnus-article-buffer) | |
eec82323 LMI |
2573 | (equal (buffer-name (current-buffer)) |
2574 | (buffer-name (get-buffer gnus-article-buffer)))) | |
2575 | (save-excursion | |
2576 | (if (get-buffer gnus-original-article-buffer) | |
6748645f LMI |
2577 | (set-buffer gnus-original-article-buffer) |
2578 | (set-buffer (gnus-get-buffer-create gnus-original-article-buffer)) | |
eec82323 LMI |
2579 | (buffer-disable-undo (current-buffer)) |
2580 | (setq major-mode 'gnus-original-article-mode) | |
6748645f | 2581 | (setq buffer-read-only t)) |
eec82323 LMI |
2582 | (let (buffer-read-only) |
2583 | (erase-buffer) | |
2584 | (insert-buffer-substring gnus-article-buffer)) | |
2585 | (setq gnus-original-article (cons group article)))) | |
2586 | ||
2587 | ;; Update sparse articles. | |
2588 | (when (and do-update-line | |
2589 | (or (numberp article) | |
2590 | (stringp article))) | |
2591 | (let ((buf (current-buffer))) | |
2592 | (set-buffer gnus-summary-buffer) | |
6748645f | 2593 | (gnus-summary-update-article do-update-line sparse-header) |
eec82323 LMI |
2594 | (gnus-summary-goto-subject do-update-line nil t) |
2595 | (set-window-point (get-buffer-window (current-buffer) t) | |
2596 | (point)) | |
2597 | (set-buffer buf)))))) | |
2598 | ||
2599 | ;;; | |
2600 | ;;; Article editing | |
2601 | ;;; | |
2602 | ||
2603 | (defcustom gnus-article-edit-mode-hook nil | |
2604 | "Hook run in article edit mode buffers." | |
2605 | :group 'gnus-article-various | |
2606 | :type 'hook) | |
2607 | ||
2608 | (defvar gnus-article-edit-done-function nil) | |
2609 | ||
2610 | (defvar gnus-article-edit-mode-map nil) | |
2611 | ||
2612 | (unless gnus-article-edit-mode-map | |
2613 | (setq gnus-article-edit-mode-map (copy-keymap text-mode-map)) | |
2614 | ||
2615 | (gnus-define-keys gnus-article-edit-mode-map | |
2616 | "\C-c\C-c" gnus-article-edit-done | |
2617 | "\C-c\C-k" gnus-article-edit-exit) | |
2618 | ||
2619 | (gnus-define-keys (gnus-article-edit-wash-map | |
2620 | "\C-c\C-w" gnus-article-edit-mode-map) | |
2621 | "f" gnus-article-edit-full-stops)) | |
2622 | ||
2623 | (defun gnus-article-edit-mode () | |
2624 | "Major mode for editing articles. | |
2625 | This is an extended text-mode. | |
2626 | ||
2627 | \\{gnus-article-edit-mode-map}" | |
2628 | (interactive) | |
eec82323 LMI |
2629 | (setq major-mode 'gnus-article-edit-mode) |
2630 | (setq mode-name "Article Edit") | |
2631 | (use-local-map gnus-article-edit-mode-map) | |
2632 | (make-local-variable 'gnus-article-edit-done-function) | |
2633 | (make-local-variable 'gnus-prev-winconf) | |
2634 | (setq buffer-read-only nil) | |
2635 | (buffer-enable-undo) | |
2636 | (widen) | |
6748645f | 2637 | (gnus-run-hooks 'text-mode-hook 'gnus-article-edit-mode-hook)) |
eec82323 LMI |
2638 | |
2639 | (defun gnus-article-edit (&optional force) | |
2640 | "Edit the current article. | |
2641 | This will have permanent effect only in mail groups. | |
2642 | If FORCE is non-nil, allow editing of articles even in read-only | |
2643 | groups." | |
2644 | (interactive "P") | |
2645 | (when (and (not force) | |
2646 | (gnus-group-read-only-p)) | |
a8151ef7 | 2647 | (error "The current newsgroup does not support article editing")) |
6748645f | 2648 | (gnus-article-date-original) |
eec82323 | 2649 | (gnus-article-edit-article |
6748645f | 2650 | `(lambda (no-highlight) |
eec82323 LMI |
2651 | (gnus-summary-edit-article-done |
2652 | ,(or (mail-header-references gnus-current-headers) "") | |
6748645f | 2653 | ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight)))) |
eec82323 LMI |
2654 | |
2655 | (defun gnus-article-edit-article (exit-func) | |
2656 | "Start editing the contents of the current article buffer." | |
2657 | (let ((winconf (current-window-configuration))) | |
2658 | (set-buffer gnus-article-buffer) | |
2659 | (gnus-article-edit-mode) | |
6748645f | 2660 | (gnus-article-delete-text-of-type 'annotation) |
a8151ef7 | 2661 | (gnus-set-text-properties (point-min) (point-max) nil) |
eec82323 LMI |
2662 | (gnus-configure-windows 'edit-article) |
2663 | (setq gnus-article-edit-done-function exit-func) | |
2664 | (setq gnus-prev-winconf winconf) | |
2665 | (gnus-message 6 "C-c C-c to end edits"))) | |
2666 | ||
6748645f | 2667 | (defun gnus-article-edit-done (&optional arg) |
eec82323 | 2668 | "Update the article edits and exit." |
6748645f LMI |
2669 | (interactive "P") |
2670 | (save-excursion | |
2671 | (save-restriction | |
2672 | (widen) | |
2673 | (goto-char (point-min)) | |
2674 | (when (search-forward "\n\n" nil 1) | |
2675 | (let ((lines (count-lines (point) (point-max))) | |
2676 | (length (- (point-max) (point))) | |
2677 | (case-fold-search t) | |
2678 | (body (copy-marker (point)))) | |
2679 | (goto-char (point-min)) | |
2680 | (when (re-search-forward "^content-length:[ \t]\\([0-9]+\\)" body t) | |
2681 | (delete-region (match-beginning 1) (match-end 1)) | |
2682 | (insert (number-to-string length))) | |
2683 | (goto-char (point-min)) | |
2684 | (when (re-search-forward | |
2685 | "^x-content-length:[ \t]\\([0-9]+\\)" body t) | |
2686 | (delete-region (match-beginning 1) (match-end 1)) | |
2687 | (insert (number-to-string length))) | |
2688 | (goto-char (point-min)) | |
2689 | (when (re-search-forward "^lines:[ \t]\\([0-9]+\\)" body t) | |
2690 | (delete-region (match-beginning 1) (match-end 1)) | |
2691 | (insert (number-to-string lines))))))) | |
eec82323 LMI |
2692 | (let ((func gnus-article-edit-done-function) |
2693 | (buf (current-buffer)) | |
2694 | (start (window-start))) | |
2695 | (gnus-article-edit-exit) | |
2696 | (save-excursion | |
2697 | (set-buffer buf) | |
2698 | (let ((buffer-read-only nil)) | |
6748645f | 2699 | (funcall func arg))) |
eec82323 LMI |
2700 | (set-buffer buf) |
2701 | (set-window-start (get-buffer-window buf) start) | |
2702 | (set-window-point (get-buffer-window buf) (point)))) | |
2703 | ||
2704 | (defun gnus-article-edit-exit () | |
2705 | "Exit the article editing without updating." | |
2706 | (interactive) | |
2707 | ;; We remove all text props from the article buffer. | |
2708 | (let ((buf (format "%s" (buffer-string))) | |
2709 | (curbuf (current-buffer)) | |
2710 | (p (point)) | |
2711 | (window-start (window-start))) | |
2712 | (erase-buffer) | |
2713 | (insert buf) | |
2714 | (let ((winconf gnus-prev-winconf)) | |
2715 | (gnus-article-mode) | |
2716 | ;; The cache and backlog have to be flushed somewhat. | |
2717 | (when gnus-use-cache | |
2718 | (gnus-cache-update-article | |
2719 | (car gnus-article-current) (cdr gnus-article-current))) | |
2720 | (when gnus-keep-backlog | |
2721 | (gnus-backlog-remove-article | |
2722 | (car gnus-article-current) (cdr gnus-article-current))) | |
2723 | ;; Flush original article as well. | |
2724 | (save-excursion | |
2725 | (when (get-buffer gnus-original-article-buffer) | |
2726 | (set-buffer gnus-original-article-buffer) | |
2727 | (setq gnus-original-article nil))) | |
2728 | (set-window-configuration winconf) | |
2729 | ;; Tippy-toe some to make sure that point remains where it was. | |
2730 | (let ((buf (current-buffer))) | |
2731 | (set-buffer curbuf) | |
2732 | (set-window-start (get-buffer-window (current-buffer)) window-start) | |
2733 | (goto-char p) | |
2734 | (set-buffer buf))))) | |
2735 | ||
2736 | (defun gnus-article-edit-full-stops () | |
2737 | "Interactively repair spacing at end of sentences." | |
2738 | (interactive) | |
2739 | (save-excursion | |
2740 | (goto-char (point-min)) | |
2741 | (search-forward-regexp "^$" nil t) | |
2742 | (let ((case-fold-search nil)) | |
2743 | (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2")))) | |
2744 | ||
2745 | ;;; | |
2746 | ;;; Article highlights | |
2747 | ;;; | |
2748 | ||
2749 | ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>. | |
2750 | ||
2751 | ;;; Internal Variables: | |
2752 | ||
2753 | (defcustom gnus-button-url-regexp "\\b\\(s?https?\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\):\\(//[-a-zA-Z0-9_.]+:[0-9]*\\)?\\([-a-zA-Z0-9_=!?#$@~`%&*+|\\/:;.,]\\|\\w\\)+\\([-a-zA-Z0-9_=#$@~`%&*+|\\/]\\|\\w\\)" | |
2754 | "Regular expression that matches URLs." | |
2755 | :group 'gnus-article-buttons | |
2756 | :type 'regexp) | |
2757 | ||
2758 | (defcustom gnus-button-alist | |
6748645f | 2759 | `(("<\\(url:[>\n\t ]*?\\)?news:[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>" 0 t |
eec82323 | 2760 | gnus-button-message-id 2) |
a8151ef7 | 2761 | ("\\bnews:\\([^>\n\t ]*@[^>\n\t ]*\\)" 0 t gnus-button-message-id 1) |
6748645f LMI |
2762 | ("\\(\\b<\\(url:[>\n\t ]*\\)?news:[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)" |
2763 | 1 t | |
eec82323 | 2764 | gnus-button-fetch-group 4) |
6748645f LMI |
2765 | ("\\bnews:\\(//\\)?\\([^'\">\n\t ]+\\)" 0 t gnus-button-fetch-group 2) |
2766 | ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)" 2 | |
eec82323 | 2767 | t gnus-button-message-id 3) |
a8151ef7 | 2768 | ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>" 0 t gnus-url-mailto 2) |
6748645f | 2769 | ("mailto:\\([a-zA-Z.-@_+0-9%]+\\)" 0 t gnus-url-mailto 1) |
a8151ef7 | 2770 | ("\\bmailto:\\([^ \n\t]+\\)" 0 t gnus-url-mailto 1) |
eec82323 LMI |
2771 | ;; This is how URLs _should_ be embedded in text... |
2772 | ("<URL: *\\([^>]*\\)>" 0 t gnus-button-embedded-url 1) | |
2773 | ;; Raw URLs. | |
2774 | (,gnus-button-url-regexp 0 t gnus-button-url 0)) | |
6748645f | 2775 | "*Alist of regexps matching buttons in article bodies. |
eec82323 LMI |
2776 | |
2777 | Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where | |
2778 | REGEXP: is the string matching text around the button, | |
2779 | BUTTON: is the number of the regexp grouping actually matching the button, | |
2780 | FORM: is a lisp expression which must eval to true for the button to | |
2781 | be added, | |
2782 | CALLBACK: is the function to call when the user push this button, and each | |
2783 | PAR: is a number of a regexp grouping whose text will be passed to CALLBACK. | |
2784 | ||
2785 | CALLBACK can also be a variable, in that case the value of that | |
2786 | variable it the real callback function." | |
2787 | :group 'gnus-article-buttons | |
2788 | :type '(repeat (list regexp | |
2789 | (integer :tag "Button") | |
2790 | (sexp :tag "Form") | |
2791 | (function :tag "Callback") | |
2792 | (repeat :tag "Par" | |
2793 | :inline t | |
2794 | (integer :tag "Regexp group"))))) | |
2795 | ||
2796 | (defcustom gnus-header-button-alist | |
2797 | `(("^\\(References\\|Message-I[Dd]\\):" "<[^>]+>" | |
2798 | 0 t gnus-button-message-id 0) | |
2799 | ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$" 1 t gnus-button-reply 1) | |
2800 | ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+" | |
2801 | 0 t gnus-button-mailto 0) | |
2802 | ("^X-[Uu][Rr][Ll]:" ,gnus-button-url-regexp 0 t gnus-button-url 0) | |
a8151ef7 | 2803 | ("^Subject:" ,gnus-button-url-regexp 0 t gnus-button-url 0) |
eec82323 LMI |
2804 | ("^[^:]+:" ,gnus-button-url-regexp 0 t gnus-button-url 0) |
2805 | ("^[^:]+:" "\\(<\\(url: \\)?news:\\([^>\n ]*\\)>\\)" 1 t | |
2806 | gnus-button-message-id 3)) | |
6748645f | 2807 | "*Alist of headers and regexps to match buttons in article heads. |
eec82323 LMI |
2808 | |
2809 | This alist is very similar to `gnus-button-alist', except that each | |
2810 | alist has an additional HEADER element first in each entry: | |
2811 | ||
2812 | \(HEADER REGEXP BUTTON FORM CALLBACK PAR) | |
2813 | ||
2814 | HEADER is a regexp to match a header. For a fuller explanation, see | |
2815 | `gnus-button-alist'." | |
2816 | :group 'gnus-article-buttons | |
2817 | :group 'gnus-article-headers | |
2818 | :type '(repeat (list (regexp :tag "Header") | |
2819 | regexp | |
2820 | (integer :tag "Button") | |
2821 | (sexp :tag "Form") | |
2822 | (function :tag "Callback") | |
2823 | (repeat :tag "Par" | |
2824 | :inline t | |
2825 | (integer :tag "Regexp group"))))) | |
2826 | ||
2827 | (defvar gnus-button-regexp nil) | |
2828 | (defvar gnus-button-marker-list nil) | |
2829 | ;; Regexp matching any of the regexps from `gnus-button-alist'. | |
2830 | ||
2831 | (defvar gnus-button-last nil) | |
2832 | ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build. | |
2833 | ||
2834 | ;;; Commands: | |
2835 | ||
2836 | (defun gnus-article-push-button (event) | |
2837 | "Check text under the mouse pointer for a callback function. | |
2838 | If the text under the mouse pointer has a `gnus-callback' property, | |
2839 | call it with the value of the `gnus-data' text property." | |
2840 | (interactive "e") | |
2841 | (set-buffer (window-buffer (posn-window (event-start event)))) | |
2842 | (let* ((pos (posn-point (event-start event))) | |
2843 | (data (get-text-property pos 'gnus-data)) | |
2844 | (fun (get-text-property pos 'gnus-callback))) | |
6748645f | 2845 | (goto-char pos) |
eec82323 LMI |
2846 | (when fun |
2847 | (funcall fun data)))) | |
2848 | ||
2849 | (defun gnus-article-press-button () | |
2850 | "Check text at point for a callback function. | |
2851 | If the text at point has a `gnus-callback' property, | |
2852 | call it with the value of the `gnus-data' text property." | |
2853 | (interactive) | |
2854 | (let* ((data (get-text-property (point) 'gnus-data)) | |
2855 | (fun (get-text-property (point) 'gnus-callback))) | |
2856 | (when fun | |
2857 | (funcall fun data)))) | |
2858 | ||
2859 | (defun gnus-article-prev-button (n) | |
2860 | "Move point to N buttons backward. | |
2861 | If N is negative, move forward instead." | |
2862 | (interactive "p") | |
2863 | (gnus-article-next-button (- n))) | |
2864 | ||
2865 | (defun gnus-article-next-button (n) | |
2866 | "Move point to N buttons forward. | |
2867 | If N is negative, move backward instead." | |
2868 | (interactive "p") | |
2869 | (let ((function (if (< n 0) 'previous-single-property-change | |
2870 | 'next-single-property-change)) | |
2871 | (inhibit-point-motion-hooks t) | |
2872 | (backward (< n 0)) | |
2873 | (limit (if (< n 0) (point-min) (point-max)))) | |
2874 | (setq n (abs n)) | |
2875 | (while (and (not (= limit (point))) | |
2876 | (> n 0)) | |
2877 | ;; Skip past the current button. | |
2878 | (when (get-text-property (point) 'gnus-callback) | |
2879 | (goto-char (funcall function (point) 'gnus-callback nil limit))) | |
2880 | ;; Go to the next (or previous) button. | |
2881 | (gnus-goto-char (funcall function (point) 'gnus-callback nil limit)) | |
2882 | ;; Put point at the start of the button. | |
2883 | (when (and backward (not (get-text-property (point) 'gnus-callback))) | |
2884 | (goto-char (funcall function (point) 'gnus-callback nil limit))) | |
2885 | ;; Skip past intangible buttons. | |
2886 | (when (get-text-property (point) 'intangible) | |
2887 | (incf n)) | |
2888 | (decf n)) | |
2889 | (unless (zerop n) | |
2890 | (gnus-message 5 "No more buttons")) | |
2891 | n)) | |
2892 | ||
2893 | (defun gnus-article-highlight (&optional force) | |
2894 | "Highlight current article. | |
2895 | This function calls `gnus-article-highlight-headers', | |
2896 | `gnus-article-highlight-citation', | |
2897 | `gnus-article-highlight-signature', and `gnus-article-add-buttons' to | |
2898 | do the highlighting. See the documentation for those functions." | |
2899 | (interactive (list 'force)) | |
2900 | (gnus-article-highlight-headers) | |
2901 | (gnus-article-highlight-citation force) | |
2902 | (gnus-article-highlight-signature) | |
2903 | (gnus-article-add-buttons force) | |
2904 | (gnus-article-add-buttons-to-head)) | |
2905 | ||
2906 | (defun gnus-article-highlight-some (&optional force) | |
2907 | "Highlight current article. | |
2908 | This function calls `gnus-article-highlight-headers', | |
2909 | `gnus-article-highlight-signature', and `gnus-article-add-buttons' to | |
2910 | do the highlighting. See the documentation for those functions." | |
2911 | (interactive (list 'force)) | |
2912 | (gnus-article-highlight-headers) | |
2913 | (gnus-article-highlight-signature) | |
2914 | (gnus-article-add-buttons)) | |
2915 | ||
2916 | (defun gnus-article-highlight-headers () | |
2917 | "Highlight article headers as specified by `gnus-header-face-alist'." | |
2918 | (interactive) | |
2919 | (save-excursion | |
2920 | (set-buffer gnus-article-buffer) | |
2921 | (save-restriction | |
2922 | (let ((alist gnus-header-face-alist) | |
2923 | (buffer-read-only nil) | |
2924 | (case-fold-search t) | |
2925 | (inhibit-point-motion-hooks t) | |
2926 | entry regexp header-face field-face from hpoints fpoints) | |
2927 | (message-narrow-to-head) | |
2928 | (while (setq entry (pop alist)) | |
2929 | (goto-char (point-min)) | |
2930 | (setq regexp (concat "^\\(" | |
2931 | (if (string-equal "" (nth 0 entry)) | |
2932 | "[^\t ]" | |
2933 | (nth 0 entry)) | |
2934 | "\\)") | |
2935 | header-face (nth 1 entry) | |
2936 | field-face (nth 2 entry)) | |
2937 | (while (and (re-search-forward regexp nil t) | |
2938 | (not (eobp))) | |
2939 | (beginning-of-line) | |
2940 | (setq from (point)) | |
2941 | (unless (search-forward ":" nil t) | |
2942 | (forward-char 1)) | |
2943 | (when (and header-face | |
2944 | (not (memq (point) hpoints))) | |
2945 | (push (point) hpoints) | |
2946 | (gnus-put-text-property from (point) 'face header-face)) | |
2947 | (when (and field-face | |
2948 | (not (memq (setq from (point)) fpoints))) | |
2949 | (push from fpoints) | |
2950 | (if (re-search-forward "^[^ \t]" nil t) | |
2951 | (forward-char -2) | |
2952 | (goto-char (point-max))) | |
2953 | (gnus-put-text-property from (point) 'face field-face)))))))) | |
2954 | ||
2955 | (defun gnus-article-highlight-signature () | |
2956 | "Highlight the signature in an article. | |
2957 | It does this by highlighting everything after | |
2958 | `gnus-signature-separator' using `gnus-signature-face'." | |
2959 | (interactive) | |
2960 | (save-excursion | |
2961 | (set-buffer gnus-article-buffer) | |
2962 | (let ((buffer-read-only nil) | |
2963 | (inhibit-point-motion-hooks t)) | |
2964 | (save-restriction | |
2965 | (when (and gnus-signature-face | |
2966 | (gnus-article-narrow-to-signature)) | |
2967 | (gnus-overlay-put (gnus-make-overlay (point-min) (point-max)) | |
2968 | 'face gnus-signature-face) | |
2969 | (widen) | |
2970 | (gnus-article-search-signature) | |
2971 | (let ((start (match-beginning 0)) | |
2972 | (end (set-marker (make-marker) (1+ (match-end 0))))) | |
2973 | (gnus-article-add-button start (1- end) 'gnus-signature-toggle | |
2974 | end))))))) | |
2975 | ||
2976 | (defun gnus-button-in-region-p (b e prop) | |
2977 | "Say whether PROP exists in the region." | |
2978 | (text-property-not-all b e prop nil)) | |
2979 | ||
2980 | (defun gnus-article-add-buttons (&optional force) | |
2981 | "Find external references in the article and make buttons of them. | |
2982 | \"External references\" are things like Message-IDs and URLs, as | |
2983 | specified by `gnus-button-alist'." | |
2984 | (interactive (list 'force)) | |
2985 | (save-excursion | |
2986 | (set-buffer gnus-article-buffer) | |
2987 | (let ((buffer-read-only nil) | |
2988 | (inhibit-point-motion-hooks t) | |
2989 | (case-fold-search t) | |
2990 | (alist gnus-button-alist) | |
2991 | beg entry regexp) | |
2992 | ;; Remove all old markers. | |
2993 | (let (marker entry) | |
2994 | (while (setq marker (pop gnus-button-marker-list)) | |
2995 | (goto-char marker) | |
2996 | (when (setq entry (gnus-button-entry)) | |
2997 | (put-text-property (match-beginning (nth 1 entry)) | |
2998 | (match-end (nth 1 entry)) | |
2999 | 'gnus-callback nil)) | |
3000 | (set-marker marker nil))) | |
3001 | ;; We skip the headers. | |
3002 | (goto-char (point-min)) | |
3003 | (unless (search-forward "\n\n" nil t) | |
3004 | (goto-char (point-max))) | |
3005 | (setq beg (point)) | |
3006 | (while (setq entry (pop alist)) | |
3007 | (setq regexp (car entry)) | |
3008 | (goto-char beg) | |
3009 | (while (re-search-forward regexp nil t) | |
3010 | (let* ((start (and entry (match-beginning (nth 1 entry)))) | |
3011 | (end (and entry (match-end (nth 1 entry)))) | |
3012 | (from (match-beginning 0))) | |
3013 | (when (and (or (eq t (nth 2 entry)) | |
3014 | (eval (nth 2 entry))) | |
3015 | (not (gnus-button-in-region-p | |
3016 | start end 'gnus-callback))) | |
3017 | ;; That optional form returned non-nil, so we add the | |
3018 | ;; button. | |
3019 | (gnus-article-add-button | |
3020 | start end 'gnus-button-push | |
3021 | (car (push (set-marker (make-marker) from) | |
3022 | gnus-button-marker-list)))))))))) | |
3023 | ||
3024 | ;; Add buttons to the head of an article. | |
3025 | (defun gnus-article-add-buttons-to-head () | |
3026 | "Add buttons to the head of the article." | |
3027 | (interactive) | |
3028 | (save-excursion | |
3029 | (set-buffer gnus-article-buffer) | |
3030 | (let ((buffer-read-only nil) | |
3031 | (inhibit-point-motion-hooks t) | |
3032 | (case-fold-search t) | |
3033 | (alist gnus-header-button-alist) | |
3034 | entry beg end) | |
3035 | (nnheader-narrow-to-headers) | |
3036 | (while alist | |
3037 | ;; Each alist entry. | |
3038 | (setq entry (car alist) | |
3039 | alist (cdr alist)) | |
3040 | (goto-char (point-min)) | |
3041 | (while (re-search-forward (car entry) nil t) | |
3042 | ;; Each header matching the entry. | |
3043 | (setq beg (match-beginning 0)) | |
3044 | (setq end (or (and (re-search-forward "^[^ \t]" nil t) | |
3045 | (match-beginning 0)) | |
3046 | (point-max))) | |
3047 | (goto-char beg) | |
3048 | (while (re-search-forward (nth 1 entry) end t) | |
3049 | ;; Each match within a header. | |
3050 | (let* ((entry (cdr entry)) | |
3051 | (start (match-beginning (nth 1 entry))) | |
3052 | (end (match-end (nth 1 entry))) | |
3053 | (form (nth 2 entry))) | |
3054 | (goto-char (match-end 0)) | |
3055 | (when (eval form) | |
3056 | (gnus-article-add-button | |
3057 | start end (nth 3 entry) | |
3058 | (buffer-substring (match-beginning (nth 4 entry)) | |
3059 | (match-end (nth 4 entry))))))) | |
3060 | (goto-char end)))) | |
3061 | (widen))) | |
3062 | ||
3063 | ;;; External functions: | |
3064 | ||
3065 | (defun gnus-article-add-button (from to fun &optional data) | |
3066 | "Create a button between FROM and TO with callback FUN and data DATA." | |
3067 | (when gnus-article-button-face | |
3068 | (gnus-overlay-put (gnus-make-overlay from to) | |
3069 | 'face gnus-article-button-face)) | |
3070 | (gnus-add-text-properties | |
3071 | from to | |
3072 | (nconc (and gnus-article-mouse-face | |
3073 | (list gnus-mouse-face-prop gnus-article-mouse-face)) | |
3074 | (list 'gnus-callback fun) | |
3075 | (and data (list 'gnus-data data))))) | |
3076 | ||
3077 | ;;; Internal functions: | |
3078 | ||
a8151ef7 LMI |
3079 | (defun gnus-article-set-globals () |
3080 | (save-excursion | |
3081 | (set-buffer gnus-summary-buffer) | |
3082 | (gnus-set-global-variables))) | |
3083 | ||
eec82323 LMI |
3084 | (defun gnus-signature-toggle (end) |
3085 | (save-excursion | |
3086 | (set-buffer gnus-article-buffer) | |
3087 | (let ((buffer-read-only nil) | |
3088 | (inhibit-point-motion-hooks t)) | |
3089 | (if (get-text-property end 'invisible) | |
3090 | (gnus-article-unhide-text end (point-max)) | |
3091 | (gnus-article-hide-text end (point-max) gnus-hidden-properties))))) | |
3092 | ||
3093 | (defun gnus-button-entry () | |
3094 | ;; Return the first entry in `gnus-button-alist' matching this place. | |
3095 | (let ((alist gnus-button-alist) | |
3096 | (entry nil)) | |
3097 | (while alist | |
3098 | (setq entry (pop alist)) | |
3099 | (if (looking-at (car entry)) | |
3100 | (setq alist nil) | |
3101 | (setq entry nil))) | |
3102 | entry)) | |
3103 | ||
3104 | (defun gnus-button-push (marker) | |
3105 | ;; Push button starting at MARKER. | |
3106 | (save-excursion | |
3107 | (set-buffer gnus-article-buffer) | |
3108 | (goto-char marker) | |
3109 | (let* ((entry (gnus-button-entry)) | |
3110 | (inhibit-point-motion-hooks t) | |
3111 | (fun (nth 3 entry)) | |
3112 | (args (mapcar (lambda (group) | |
3113 | (let ((string (match-string group))) | |
3114 | (gnus-set-text-properties | |
3115 | 0 (length string) nil string) | |
3116 | string)) | |
3117 | (nthcdr 4 entry)))) | |
3118 | (cond | |
3119 | ((fboundp fun) | |
3120 | (apply fun args)) | |
3121 | ((and (boundp fun) | |
3122 | (fboundp (symbol-value fun))) | |
3123 | (apply (symbol-value fun) args)) | |
3124 | (t | |
3125 | (gnus-message 1 "You must define `%S' to use this button" | |
3126 | (cons fun args))))))) | |
3127 | ||
3128 | (defun gnus-button-message-id (message-id) | |
3129 | "Fetch MESSAGE-ID." | |
3130 | (save-excursion | |
3131 | (set-buffer gnus-summary-buffer) | |
3132 | (gnus-summary-refer-article message-id))) | |
3133 | ||
3134 | (defun gnus-button-fetch-group (address) | |
3135 | "Fetch GROUP specified by ADDRESS." | |
3136 | (if (not (string-match "[:/]" address)) | |
3137 | ;; This is just a simple group url. | |
3138 | (gnus-group-read-ephemeral-group address gnus-select-method) | |
3139 | (if (not (string-match "^\\([^:/]+\\)\\(:\\([^/]+\\)/\\)?\\(.*\\)$" | |
3140 | address)) | |
3141 | (error "Can't parse %s" address) | |
3142 | (gnus-group-read-ephemeral-group | |
3143 | (match-string 4 address) | |
3144 | `(nntp ,(match-string 1 address) | |
3145 | (nntp-address ,(match-string 1 address)) | |
3146 | (nntp-port-number ,(if (match-end 3) | |
3147 | (match-string 3 address) | |
3148 | "nntp"))))))) | |
3149 | ||
eec82323 LMI |
3150 | (defun gnus-url-parse-query-string (query &optional downcase) |
3151 | (let (retval pairs cur key val) | |
3152 | (setq pairs (gnus-split-string query "&")) | |
3153 | (while pairs | |
3154 | (setq cur (car pairs) | |
3155 | pairs (cdr pairs)) | |
3156 | (if (not (string-match "=" cur)) | |
3157 | nil ; Grace | |
3158 | (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0))) | |
3159 | val (gnus-url-unhex-string (substring cur (match-end 0) nil))) | |
3160 | (if downcase | |
3161 | (setq key (downcase key))) | |
3162 | (setq cur (assoc key retval)) | |
3163 | (if cur | |
3164 | (setcdr cur (cons val (cdr cur))) | |
3165 | (setq retval (cons (list key val) retval))))) | |
3166 | retval)) | |
3167 | ||
3168 | (defun gnus-url-unhex (x) | |
3169 | (if (> x ?9) | |
3170 | (if (>= x ?a) | |
3171 | (+ 10 (- x ?a)) | |
3172 | (+ 10 (- x ?A))) | |
3173 | (- x ?0))) | |
3174 | ||
3175 | (defun gnus-url-unhex-string (str &optional allow-newlines) | |
3176 | "Remove %XXX embedded spaces, etc in a url. | |
3177 | If optional second argument ALLOW-NEWLINES is non-nil, then allow the | |
3178 | decoding of carriage returns and line feeds in the string, which is normally | |
3179 | forbidden in URL encoding." | |
3180 | (setq str (or str "")) | |
3181 | (let ((tmp "") | |
3182 | (case-fold-search t)) | |
3183 | (while (string-match "%[0-9a-f][0-9a-f]" str) | |
3184 | (let* ((start (match-beginning 0)) | |
3185 | (ch1 (gnus-url-unhex (elt str (+ start 1)))) | |
3186 | (code (+ (* 16 ch1) | |
3187 | (gnus-url-unhex (elt str (+ start 2)))))) | |
3188 | (setq tmp (concat | |
3189 | tmp (substring str 0 start) | |
3190 | (cond | |
3191 | (allow-newlines | |
3192 | (char-to-string code)) | |
3193 | ((or (= code ?\n) (= code ?\r)) | |
3194 | " ") | |
3195 | (t (char-to-string code)))) | |
3196 | str (substring str (match-end 0))))) | |
3197 | (setq tmp (concat tmp str)) | |
3198 | tmp)) | |
3199 | ||
3200 | (defun gnus-url-mailto (url) | |
3201 | ;; Send mail to someone | |
3202 | (when (string-match "mailto:/*\\(.*\\)" url) | |
3203 | (setq url (substring url (match-beginning 1) nil))) | |
6748645f | 3204 | (let (to args subject func) |
eec82323 LMI |
3205 | (if (string-match (regexp-quote "?") url) |
3206 | (setq to (gnus-url-unhex-string (substring url 0 (match-beginning 0))) | |
3207 | args (gnus-url-parse-query-string | |
3208 | (substring url (match-end 0) nil) t)) | |
3209 | (setq to (gnus-url-unhex-string url))) | |
3210 | (setq args (cons (list "to" to) args) | |
3211 | subject (cdr-safe (assoc "subject" args))) | |
3212 | (message-mail) | |
3213 | (while args | |
3214 | (setq func (intern-soft (concat "message-goto-" (downcase (caar args))))) | |
3215 | (if (fboundp func) | |
3216 | (funcall func) | |
3217 | (message-position-on-field (caar args))) | |
3218 | (insert (mapconcat 'identity (cdar args) ", ")) | |
3219 | (setq args (cdr args))) | |
3220 | (if subject | |
3221 | (message-goto-body) | |
3222 | (message-goto-subject)))) | |
3223 | ||
3224 | (defun gnus-button-mailto (address) | |
3225 | ;; Mail to ADDRESS. | |
3226 | (set-buffer (gnus-copy-article-buffer)) | |
3227 | (message-reply address)) | |
3228 | ||
3229 | (defun gnus-button-reply (address) | |
3230 | ;; Reply to ADDRESS. | |
3231 | (message-reply address)) | |
3232 | ||
3233 | (defun gnus-button-url (address) | |
3234 | "Browse ADDRESS." | |
1b978bfc | 3235 | (browse-url address)) |
eec82323 LMI |
3236 | |
3237 | (defun gnus-button-embedded-url (address) | |
3238 | "Browse ADDRESS." | |
6748645f | 3239 | ;; In Emacs 20, `browse-url-browser-function' may be an alist. |
1b978bfc | 3240 | (browse-url (gnus-strip-whitespace address))) |
eec82323 LMI |
3241 | |
3242 | ;;; Next/prev buttons in the article buffer. | |
3243 | ||
3244 | (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n") | |
3245 | (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n") | |
3246 | ||
3247 | (defvar gnus-prev-page-map nil) | |
3248 | (unless gnus-prev-page-map | |
3249 | (setq gnus-prev-page-map (make-sparse-keymap)) | |
3250 | (define-key gnus-prev-page-map gnus-mouse-2 'gnus-button-prev-page) | |
3251 | (define-key gnus-prev-page-map "\r" 'gnus-button-prev-page)) | |
3252 | ||
3253 | (defun gnus-insert-prev-page-button () | |
3254 | (let ((buffer-read-only nil)) | |
3255 | (gnus-eval-format | |
3256 | gnus-prev-page-line-format nil | |
3257 | `(gnus-prev t local-map ,gnus-prev-page-map | |
6748645f LMI |
3258 | gnus-callback gnus-article-button-prev-page |
3259 | gnus-type annotation)))) | |
eec82323 LMI |
3260 | |
3261 | (defvar gnus-next-page-map nil) | |
3262 | (unless gnus-next-page-map | |
3263 | (setq gnus-next-page-map (make-keymap)) | |
3264 | (suppress-keymap gnus-prev-page-map) | |
3265 | (define-key gnus-next-page-map gnus-mouse-2 'gnus-button-next-page) | |
3266 | (define-key gnus-next-page-map "\r" 'gnus-button-next-page)) | |
3267 | ||
3268 | (defun gnus-button-next-page () | |
3269 | "Go to the next page." | |
3270 | (interactive) | |
3271 | (let ((win (selected-window))) | |
3272 | (select-window (get-buffer-window gnus-article-buffer t)) | |
3273 | (gnus-article-next-page) | |
3274 | (select-window win))) | |
3275 | ||
3276 | (defun gnus-button-prev-page () | |
3277 | "Go to the prev page." | |
3278 | (interactive) | |
3279 | (let ((win (selected-window))) | |
3280 | (select-window (get-buffer-window gnus-article-buffer t)) | |
3281 | (gnus-article-prev-page) | |
3282 | (select-window win))) | |
3283 | ||
3284 | (defun gnus-insert-next-page-button () | |
3285 | (let ((buffer-read-only nil)) | |
3286 | (gnus-eval-format gnus-next-page-line-format nil | |
6748645f LMI |
3287 | `(gnus-next |
3288 | t local-map ,gnus-next-page-map | |
3289 | gnus-callback gnus-article-button-next-page | |
3290 | gnus-type annotation)))) | |
eec82323 LMI |
3291 | |
3292 | (defun gnus-article-button-next-page (arg) | |
3293 | "Go to the next page." | |
3294 | (interactive "P") | |
3295 | (let ((win (selected-window))) | |
3296 | (select-window (get-buffer-window gnus-article-buffer t)) | |
3297 | (gnus-article-next-page) | |
3298 | (select-window win))) | |
3299 | ||
3300 | (defun gnus-article-button-prev-page (arg) | |
3301 | "Go to the prev page." | |
3302 | (interactive "P") | |
3303 | (let ((win (selected-window))) | |
3304 | (select-window (get-buffer-window gnus-article-buffer t)) | |
3305 | (gnus-article-prev-page) | |
3306 | (select-window win))) | |
3307 | ||
3308 | (gnus-ems-redefine) | |
3309 | ||
3310 | (provide 'gnus-art) | |
3311 | ||
3312 | (run-hooks 'gnus-art-load-hook) | |
3313 | ||
3314 | ;;; gnus-art.el ends here |