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1 | ;;; gnus-art.el --- article mode commands for Gnus |
2 | ;; Copyright (C) 1996,97 Free Software Foundation, Inc. | |
3 | ||
4 | ;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no> | |
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 | ||
eec82323 LMI |
30 | (require 'custom) |
31 | (require 'gnus) | |
32 | (require 'gnus-sum) | |
33 | (require 'gnus-spec) | |
34 | (require 'gnus-int) | |
35 | (require 'browse-url) | |
36 | ||
37 | (defgroup gnus-article nil | |
38 | "Article display." | |
39 | :link '(custom-manual "(gnus)The Article Buffer") | |
40 | :group 'gnus) | |
41 | ||
42 | (defgroup gnus-article-hiding nil | |
43 | "Hiding article parts." | |
44 | :link '(custom-manual "(gnus)Article Hiding") | |
45 | :group 'gnus-article) | |
46 | ||
47 | (defgroup gnus-article-highlight nil | |
48 | "Article highlighting." | |
49 | :link '(custom-manual "(gnus)Article Highlighting") | |
50 | :group 'gnus-article | |
51 | :group 'gnus-visual) | |
52 | ||
53 | (defgroup gnus-article-signature nil | |
54 | "Article signatures." | |
55 | :link '(custom-manual "(gnus)Article Signature") | |
56 | :group 'gnus-article) | |
57 | ||
58 | (defgroup gnus-article-headers nil | |
59 | "Article headers." | |
60 | :link '(custom-manual "(gnus)Hiding Headers") | |
61 | :group 'gnus-article) | |
62 | ||
63 | (defgroup gnus-article-washing nil | |
64 | "Special commands on articles." | |
65 | :link '(custom-manual "(gnus)Article Washing") | |
66 | :group 'gnus-article) | |
67 | ||
68 | (defgroup gnus-article-emphasis nil | |
69 | "Fontisizing articles." | |
70 | :link '(custom-manual "(gnus)Article Fontisizing") | |
71 | :group 'gnus-article) | |
72 | ||
73 | (defgroup gnus-article-saving nil | |
74 | "Saving articles." | |
75 | :link '(custom-manual "(gnus)Saving Articles") | |
76 | :group 'gnus-article) | |
77 | ||
78 | (defgroup gnus-article-mime nil | |
79 | "Worshiping the MIME wonder." | |
80 | :link '(custom-manual "(gnus)Using MIME") | |
81 | :group 'gnus-article) | |
82 | ||
83 | (defgroup gnus-article-buttons nil | |
84 | "Pushable buttons in the article buffer." | |
85 | :link '(custom-manual "(gnus)Article Buttons") | |
86 | :group 'gnus-article) | |
87 | ||
88 | (defgroup gnus-article-various nil | |
89 | "Other article options." | |
90 | :link '(custom-manual "(gnus)Misc Article") | |
91 | :group 'gnus-article) | |
92 | ||
93 | (defcustom gnus-ignored-headers | |
94 | '("^Path:" "^Posting-Version:" "^Article-I.D.:" "^Expires:" | |
95 | "^Date-Received:" "^References:" "^Control:" "^Xref:" "^Lines:" | |
96 | "^Posted:" "^Relay-Version:" "^Message-ID:" "^Nf-ID:" "^Nf-From:" | |
97 | "^Approved:" "^Sender:" "^Received:" "^Mail-from:") | |
98 | "All headers that match this regexp will be hidden. | |
99 | This variable can also be a list of regexps of headers to be ignored. | |
100 | If `gnus-visible-headers' is non-nil, this variable will be ignored." | |
101 | :type '(choice :custom-show nil | |
102 | regexp | |
103 | (repeat regexp)) | |
104 | :group 'gnus-article-hiding) | |
105 | ||
106 | (defcustom gnus-visible-headers | |
107 | "^From:\\|^Newsgroups:\\|^Subject:\\|^Date:\\|^Followup-To:\\|^Reply-To:\\|^Organization:\\|^Summary:\\|^Keywords:\\|^To:\\|^Cc:\\|^Posted-To:\\|^Mail-Copies-To:\\|^Apparently-To:\\|^Gnus-Warning:\\|^Resent-From" | |
108 | "All headers that do not match this regexp will be hidden. | |
109 | This variable can also be a list of regexp of headers to remain visible. | |
110 | If this variable is non-nil, `gnus-ignored-headers' will be ignored." | |
111 | :type '(repeat :value-to-internal (lambda (widget value) | |
112 | (custom-split-regexp-maybe value)) | |
113 | :match (lambda (widget value) | |
114 | (or (stringp value) | |
115 | (widget-editable-list-match widget value))) | |
116 | regexp) | |
117 | :group 'gnus-article-hiding) | |
118 | ||
119 | (defcustom gnus-sorted-header-list | |
120 | '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:" | |
121 | "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:") | |
122 | "This variable is a list of regular expressions. | |
123 | If it is non-nil, headers that match the regular expressions will | |
124 | be placed first in the article buffer in the sequence specified by | |
125 | this list." | |
126 | :type '(repeat regexp) | |
127 | :group 'gnus-article-hiding) | |
128 | ||
129 | (defcustom gnus-boring-article-headers '(empty followup-to reply-to) | |
130 | "Headers that are only to be displayed if they have interesting data. | |
131 | Possible values in this list are `empty', `newsgroups', `followup-to', | |
132 | `reply-to', and `date'." | |
133 | :type '(set (const :tag "Headers with no content." empty) | |
134 | (const :tag "Newsgroups with only one group." newsgroups) | |
135 | (const :tag "Followup-to identical to newsgroups." followup-to) | |
136 | (const :tag "Reply-to identical to from." reply-to) | |
137 | (const :tag "Date less than four days old." date)) | |
138 | :group 'gnus-article-hiding) | |
139 | ||
140 | (defcustom gnus-signature-separator '("^-- $" "^-- *$") | |
141 | "Regexp matching signature separator. | |
142 | This can also be a list of regexps. In that case, it will be checked | |
143 | from head to tail looking for a separator. Searches will be done from | |
144 | the end of the buffer." | |
145 | :type '(repeat string) | |
146 | :group 'gnus-article-signature) | |
147 | ||
148 | (defcustom gnus-signature-limit nil | |
149 | "Provide a limit to what is considered a signature. | |
150 | If it is a number, no signature may not be longer (in characters) than | |
151 | that number. If it is a floating point number, no signature may be | |
152 | longer (in lines) than that number. If it is a function, the function | |
153 | will be called without any parameters, and if it returns nil, there is | |
154 | no signature in the buffer. If it is a string, it will be used as a | |
155 | regexp. If it matches, the text in question is not a signature." | |
156 | :type '(choice integer number function regexp) | |
157 | :group 'gnus-article-signature) | |
158 | ||
159 | (defcustom gnus-hidden-properties '(invisible t intangible t) | |
160 | "Property list to use for hiding text." | |
161 | :type 'sexp | |
162 | :group 'gnus-article-hiding) | |
163 | ||
164 | (defcustom gnus-article-x-face-command | |
165 | "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | xv -quit -" | |
166 | "String or function to be executed to display an X-Face header. | |
167 | If it is a string, the command will be executed in a sub-shell | |
168 | asynchronously. The compressed face will be piped to this command." | |
169 | :type 'string ;Leave function case to Lisp. | |
170 | :group 'gnus-article-washing) | |
171 | ||
172 | (defcustom gnus-article-x-face-too-ugly nil | |
173 | "Regexp matching posters whose face shouldn't be shown automatically." | |
4bb6a3a6 | 174 | :type '(choice regexp (const nil)) |
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175 | :group 'gnus-article-washing) |
176 | ||
177 | (defcustom gnus-emphasis-alist | |
178 | (let ((format | |
179 | "\\(\\s-\\|^\\|[-\"]\\|\\s(\\|\\s)\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\s-\\|[-?!.,;:\"]\\|\\s(\\|\\s)\\)") | |
180 | (types | |
181 | '(("_" "_" underline) | |
182 | ("/" "/" italic) | |
183 | ("\\*" "\\*" bold) | |
184 | ("_/" "/_" underline-italic) | |
185 | ("_\\*" "\\*_" underline-bold) | |
186 | ("\\*/" "/\\*" bold-italic) | |
187 | ("_\\*/" "/\\*_" underline-bold-italic)))) | |
188 | `(("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)" | |
189 | 2 3 gnus-emphasis-underline) | |
190 | ,@(mapcar | |
191 | (lambda (spec) | |
192 | (list | |
193 | (format format (car spec) (cadr spec)) | |
c2a2ac1a | 194 | 2 3 (intern (format "gnus-emphasis-%s" (nth 2 spec))))) |
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195 | types))) |
196 | "Alist that says how to fontify certain phrases. | |
197 | Each item looks like this: | |
198 | ||
199 | (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline) | |
200 | ||
201 | The first element is a regular expression to be matched. The second | |
202 | is a number that says what regular expression grouping used to find | |
203 | the entire emphasized word. The third is a number that says what | |
204 | regexp grouping should be displayed and highlighted. The fourth | |
205 | is the face used for highlighting." | |
206 | :type '(repeat (list :value ("" 0 0 default) | |
207 | regexp | |
208 | (integer :tag "Match group") | |
209 | (integer :tag "Emphasize group") | |
210 | face)) | |
211 | :group 'gnus-article-emphasis) | |
212 | ||
213 | (defface gnus-emphasis-bold '((t (:bold t))) | |
214 | "Face used for displaying strong emphasized text (*word*)." | |
215 | :group 'gnus-article-emphasis) | |
216 | ||
217 | (defface gnus-emphasis-italic '((t (:italic t))) | |
218 | "Face used for displaying italic emphasized text (/word/)." | |
219 | :group 'gnus-article-emphasis) | |
220 | ||
221 | (defface gnus-emphasis-underline '((t (:underline t))) | |
222 | "Face used for displaying underlined emphasized text (_word_)." | |
223 | :group 'gnus-article-emphasis) | |
224 | ||
225 | (defface gnus-emphasis-underline-bold '((t (:bold t :underline t))) | |
226 | "Face used for displaying underlined bold emphasized text (_*word*_)." | |
227 | :group 'gnus-article-emphasis) | |
228 | ||
229 | (defface gnus-emphasis-underline-italic '((t (:italic t :underline t))) | |
230 | "Face used for displaying underlined italic emphasized text (_*word*_)." | |
231 | :group 'gnus-article-emphasis) | |
232 | ||
233 | (defface gnus-emphasis-bold-italic '((t (:bold t :italic t))) | |
234 | "Face used for displaying bold italic emphasized text (/*word*/)." | |
235 | :group 'gnus-article-emphasis) | |
236 | ||
237 | (defface gnus-emphasis-underline-bold-italic | |
238 | '((t (:bold t :italic t :underline t))) | |
239 | "Face used for displaying underlined bold italic emphasized text. | |
240 | Esample: (_/*word*/_)." | |
241 | :group 'gnus-article-emphasis) | |
242 | ||
243 | (defcustom gnus-article-time-format "%a, %b %d %Y %T %Z" | |
244 | "Format for display of Date headers in article bodies. | |
245 | See `format-time-zone' for the possible values." | |
246 | :type 'string | |
247 | :link '(custom-manual "(gnus)Article Date") | |
248 | :group 'gnus-article-washing) | |
249 | ||
250 | (eval-and-compile | |
251 | (autoload 'hexl-hex-string-to-integer "hexl") | |
252 | (autoload 'timezone-make-date-arpa-standard "timezone") | |
253 | (autoload 'mail-extract-address-components "mail-extr")) | |
254 | ||
255 | (defcustom gnus-save-all-headers t | |
256 | "*If non-nil, don't remove any headers before saving." | |
257 | :group 'gnus-article-saving | |
258 | :type 'boolean) | |
259 | ||
260 | (defcustom gnus-prompt-before-saving 'always | |
261 | "*This variable says how much prompting is to be done when saving articles. | |
262 | If it is nil, no prompting will be done, and the articles will be | |
263 | saved to the default files. If this variable is `always', each and | |
264 | every article that is saved will be preceded by a prompt, even when | |
265 | saving large batches of articles. If this variable is neither nil not | |
266 | `always', there the user will be prompted once for a file name for | |
267 | each invocation of the saving commands." | |
268 | :group 'gnus-article-saving | |
269 | :type '(choice (item always) | |
270 | (item :tag "never" nil) | |
e04c9f73 | 271 | (other :tag "once" t))) |
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272 | |
273 | (defcustom gnus-saved-headers gnus-visible-headers | |
274 | "Headers to keep if `gnus-save-all-headers' is nil. | |
275 | If `gnus-save-all-headers' is non-nil, this variable will be ignored. | |
276 | If that variable is nil, however, all headers that match this regexp | |
277 | will be kept while the rest will be deleted before saving." | |
278 | :group 'gnus-article-saving | |
4bb6a3a6 | 279 | :type 'regexp) |
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280 | |
281 | (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail | |
282 | "A function to save articles in your favourite format. | |
283 | The function must be interactively callable (in other words, it must | |
284 | be an Emacs command). | |
285 | ||
286 | Gnus provides the following functions: | |
287 | ||
288 | * gnus-summary-save-in-rmail (Rmail format) | |
289 | * gnus-summary-save-in-mail (Unix mail format) | |
290 | * gnus-summary-save-in-folder (MH folder) | |
291 | * gnus-summary-save-in-file (article format) | |
292 | * gnus-summary-save-in-vm (use VM's folder format) | |
293 | * gnus-summary-write-to-file (article format -- overwrite)." | |
294 | :group 'gnus-article-saving | |
295 | :type '(radio (function-item gnus-summary-save-in-rmail) | |
296 | (function-item gnus-summary-save-in-mail) | |
297 | (function-item gnus-summary-save-in-folder) | |
298 | (function-item gnus-summary-save-in-file) | |
299 | (function-item gnus-summary-save-in-vm) | |
300 | (function-item gnus-summary-write-to-file))) | |
301 | ||
302 | (defcustom gnus-rmail-save-name 'gnus-plain-save-name | |
303 | "A function generating a file name to save articles in Rmail format. | |
304 | The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE." | |
305 | :group 'gnus-article-saving | |
306 | :type 'function) | |
307 | ||
308 | (defcustom gnus-mail-save-name 'gnus-plain-save-name | |
309 | "A function generating a file name to save articles in Unix mail format. | |
310 | The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE." | |
311 | :group 'gnus-article-saving | |
312 | :type 'function) | |
313 | ||
314 | (defcustom gnus-folder-save-name 'gnus-folder-save-name | |
315 | "A function generating a file name to save articles in MH folder. | |
316 | The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER." | |
317 | :group 'gnus-article-saving | |
318 | :type 'function) | |
319 | ||
320 | (defcustom gnus-file-save-name 'gnus-numeric-save-name | |
321 | "A function generating a file name to save articles in article format. | |
322 | The function is called with NEWSGROUP, HEADERS, and optional | |
323 | LAST-FILE." | |
324 | :group 'gnus-article-saving | |
325 | :type 'function) | |
326 | ||
327 | (defcustom gnus-split-methods | |
328 | '((gnus-article-archive-name) | |
329 | (gnus-article-nndoc-name)) | |
330 | "Variable used to suggest where articles are to be saved. | |
331 | For instance, if you would like to save articles related to Gnus in | |
332 | the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\", | |
333 | you could set this variable to something like: | |
334 | ||
335 | '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\") | |
336 | (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\")) | |
337 | ||
338 | This variable is an alist where the where the key is the match and the | |
339 | value is a list of possible files to save in if the match is non-nil. | |
340 | ||
341 | If the match is a string, it is used as a regexp match on the | |
342 | article. If the match is a symbol, that symbol will be funcalled | |
343 | from the buffer of the article to be saved with the newsgroup as the | |
344 | parameter. If it is a list, it will be evaled in the same buffer. | |
345 | ||
346 | If this form or function returns a string, this string will be used as | |
347 | a possible file name; and if it returns a non-nil list, that list will | |
348 | be used as possible file names." | |
349 | :group 'gnus-article-saving | |
350 | :type '(repeat (choice (list function) | |
351 | (cons regexp (repeat string)) | |
352 | sexp))) | |
353 | ||
354 | (defcustom gnus-strict-mime t | |
355 | "*If nil, MIME-decode even if there is no Mime-Version header." | |
356 | :group 'gnus-article-mime | |
357 | :type 'boolean) | |
358 | ||
359 | (defcustom gnus-show-mime-method 'metamail-buffer | |
360 | "Function to process a MIME message. | |
361 | The function is called from the article buffer." | |
362 | :group 'gnus-article-mime | |
363 | :type 'function) | |
364 | ||
365 | (defcustom gnus-decode-encoded-word-method 'gnus-article-de-quoted-unreadable | |
366 | "*Function to decode MIME encoded words. | |
367 | The function is called from the article buffer." | |
368 | :group 'gnus-article-mime | |
369 | :type 'function) | |
370 | ||
6e262a88 | 371 | (defcustom gnus-show-traditional-method |
cb160af8 KH |
372 | (if (and (featurep 'mule) |
373 | (boundp 'enable-multibyte-characters)) | |
374 | (lambda () | |
375 | (if enable-multibyte-characters (gnus-mule-decode-article))) | |
6e262a88 KH |
376 | (lambda ())) |
377 | "Function to decode ``localized RFC 822 messages''. | |
378 | The function is called from the article buffer." | |
379 | :group 'gnus-article-mime | |
cd32a7ba DN |
380 | :type 'function |
381 | :version "20.3") | |
6e262a88 | 382 | |
eec82323 LMI |
383 | (defcustom gnus-page-delimiter "^\^L" |
384 | "*Regexp describing what to use as article page delimiters. | |
385 | The default value is \"^\^L\", which is a form linefeed at the | |
386 | beginning of a line." | |
387 | :type 'regexp | |
388 | :group 'gnus-article-various) | |
389 | ||
390 | (defcustom gnus-article-mode-line-format "Gnus: %%b %S" | |
391 | "*The format specification for the article mode line. | |
392 | See `gnus-summary-mode-line-format' for a closer description." | |
393 | :type 'string | |
394 | :group 'gnus-article-various) | |
395 | ||
396 | (defcustom gnus-article-mode-hook nil | |
397 | "*A hook for Gnus article mode." | |
398 | :type 'hook | |
399 | :group 'gnus-article-various) | |
400 | ||
401 | (defcustom gnus-article-menu-hook nil | |
402 | "*Hook run after the creation of the article mode menu." | |
403 | :type 'hook | |
404 | :group 'gnus-article-various) | |
405 | ||
406 | (defcustom gnus-article-prepare-hook nil | |
407 | "*A hook called after an article has been prepared in the article buffer. | |
408 | If you want to run a special decoding program like nkf, use this hook." | |
409 | :type 'hook | |
410 | :group 'gnus-article-various) | |
411 | ||
a8151ef7 LMI |
412 | (defcustom gnus-article-hide-pgp-hook nil |
413 | "*A hook called after successfully hiding a PGP signature." | |
414 | :type 'hook | |
cd32a7ba DN |
415 | :group 'gnus-article-various |
416 | :version "20.3") | |
a8151ef7 | 417 | |
eec82323 LMI |
418 | (defcustom gnus-article-button-face 'bold |
419 | "Face used for highlighting buttons in the article buffer. | |
420 | ||
421 | An article button is a piece of text that you can activate by pressing | |
422 | `RET' or `mouse-2' above it." | |
423 | :type 'face | |
424 | :group 'gnus-article-buttons) | |
425 | ||
426 | (defcustom gnus-article-mouse-face 'highlight | |
427 | "Face used for mouse highlighting in the article buffer. | |
428 | ||
429 | Article buttons will be displayed in this face when the cursor is | |
430 | above them." | |
431 | :type 'face | |
432 | :group 'gnus-article-buttons) | |
433 | ||
a8151ef7 LMI |
434 | (defcustom gnus-signature-face 'gnus-signature-face |
435 | "Face used for highlighting a signature in the article buffer. | |
436 | Obsolete; use the face `gnus-signature-face' for customizations instead." | |
eec82323 LMI |
437 | :type 'face |
438 | :group 'gnus-article-highlight | |
439 | :group 'gnus-article-signature) | |
440 | ||
a8151ef7 LMI |
441 | (defface gnus-signature-face |
442 | '((((type x)) | |
443 | (:italic t))) | |
444 | "Face used for highlighting a signature in the article buffer." | |
445 | :group 'gnus-article-highlight | |
446 | :group 'gnus-article-signature) | |
447 | ||
eec82323 LMI |
448 | (defface gnus-header-from-face |
449 | '((((class color) | |
450 | (background dark)) | |
451 | (:foreground "spring green" :bold t)) | |
452 | (((class color) | |
453 | (background light)) | |
454 | (:foreground "red3" :bold t)) | |
455 | (t | |
456 | (:bold t :italic t))) | |
457 | "Face used for displaying from headers." | |
458 | :group 'gnus-article-headers | |
459 | :group 'gnus-article-highlight) | |
460 | ||
461 | (defface gnus-header-subject-face | |
462 | '((((class color) | |
463 | (background dark)) | |
464 | (:foreground "SeaGreen3" :bold t)) | |
465 | (((class color) | |
466 | (background light)) | |
467 | (:foreground "red4" :bold t)) | |
468 | (t | |
469 | (:bold t :italic t))) | |
470 | "Face used for displaying subject headers." | |
471 | :group 'gnus-article-headers | |
472 | :group 'gnus-article-highlight) | |
473 | ||
474 | (defface gnus-header-newsgroups-face | |
475 | '((((class color) | |
476 | (background dark)) | |
477 | (:foreground "yellow" :bold t :italic t)) | |
478 | (((class color) | |
479 | (background light)) | |
480 | (:foreground "MidnightBlue" :bold t :italic t)) | |
481 | (t | |
482 | (:bold t :italic t))) | |
483 | "Face used for displaying newsgroups headers." | |
484 | :group 'gnus-article-headers | |
485 | :group 'gnus-article-highlight) | |
486 | ||
487 | (defface gnus-header-name-face | |
488 | '((((class color) | |
489 | (background dark)) | |
490 | (:foreground "SeaGreen")) | |
491 | (((class color) | |
492 | (background light)) | |
493 | (:foreground "maroon")) | |
494 | (t | |
495 | (:bold t))) | |
496 | "Face used for displaying header names." | |
497 | :group 'gnus-article-headers | |
498 | :group 'gnus-article-highlight) | |
499 | ||
500 | (defface gnus-header-content-face | |
501 | '((((class color) | |
502 | (background dark)) | |
503 | (:foreground "forest green" :italic t)) | |
504 | (((class color) | |
505 | (background light)) | |
506 | (:foreground "indianred4" :italic t)) | |
507 | (t | |
508 | (:italic t))) "Face used for displaying header content." | |
509 | :group 'gnus-article-headers | |
510 | :group 'gnus-article-highlight) | |
511 | ||
512 | (defcustom gnus-header-face-alist | |
513 | '(("From" nil gnus-header-from-face) | |
514 | ("Subject" nil gnus-header-subject-face) | |
515 | ("Newsgroups:.*," nil gnus-header-newsgroups-face) | |
516 | ("" gnus-header-name-face gnus-header-content-face)) | |
517 | "Controls highlighting of article header. | |
518 | ||
519 | An alist of the form (HEADER NAME CONTENT). | |
520 | ||
521 | HEADER is a regular expression which should match the name of an | |
522 | header header and NAME and CONTENT are either face names or nil. | |
523 | ||
524 | The name of each header field will be displayed using the face | |
525 | specified by the first element in the list where HEADER match the | |
526 | header name and NAME is non-nil. Similarly, the content will be | |
527 | displayed by the first non-nil matching CONTENT face." | |
528 | :group 'gnus-article-headers | |
529 | :group 'gnus-article-highlight | |
530 | :type '(repeat (list (regexp :tag "Header") | |
531 | (choice :tag "Name" | |
532 | (item :tag "skip" nil) | |
533 | (face :value default)) | |
534 | (choice :tag "Content" | |
535 | (item :tag "skip" nil) | |
536 | (face :value default))))) | |
537 | ||
538 | ;;; Internal variables | |
539 | ||
540 | (defvar gnus-article-mode-syntax-table | |
541 | (let ((table (copy-syntax-table text-mode-syntax-table))) | |
542 | (modify-syntax-entry ?- "w" table) | |
543 | (modify-syntax-entry ?> ")" table) | |
544 | (modify-syntax-entry ?< "(" table) | |
545 | table) | |
546 | "Syntax table used in article mode buffers. | |
547 | Initialized from `text-mode-syntax-table.") | |
548 | ||
549 | (defvar gnus-save-article-buffer nil) | |
550 | ||
551 | (defvar gnus-article-mode-line-format-alist | |
552 | (nconc '((?w (gnus-article-wash-status) ?s)) | |
553 | gnus-summary-mode-line-format-alist)) | |
554 | ||
555 | (defvar gnus-number-of-articles-to-be-saved nil) | |
556 | ||
557 | (defvar gnus-inhibit-hiding nil) | |
558 | ||
559 | (defsubst gnus-article-hide-text (b e props) | |
560 | "Set text PROPS on the B to E region, extending `intangible' 1 past B." | |
561 | (add-text-properties b e props) | |
562 | (when (memq 'intangible props) | |
563 | (put-text-property | |
564 | (max (1- b) (point-min)) | |
565 | b 'intangible (cddr (memq 'intangible props))))) | |
566 | ||
567 | (defsubst gnus-article-unhide-text (b e) | |
568 | "Remove hidden text properties from region between B and E." | |
569 | (remove-text-properties b e gnus-hidden-properties) | |
570 | (when (memq 'intangible gnus-hidden-properties) | |
571 | (put-text-property (max (1- b) (point-min)) | |
572 | b 'intangible nil))) | |
573 | ||
574 | (defun gnus-article-hide-text-type (b e type) | |
575 | "Hide text of TYPE between B and E." | |
576 | (gnus-article-hide-text | |
577 | b e (cons 'article-type (cons type gnus-hidden-properties)))) | |
578 | ||
579 | (defun gnus-article-unhide-text-type (b e type) | |
580 | "Hide text of TYPE between B and E." | |
581 | (remove-text-properties | |
582 | b e (cons 'article-type (cons type gnus-hidden-properties))) | |
583 | (when (memq 'intangible gnus-hidden-properties) | |
584 | (put-text-property (max (1- b) (point-min)) | |
585 | b 'intangible nil))) | |
586 | ||
587 | (defun gnus-article-hide-text-of-type (type) | |
588 | "Hide text of TYPE in the current buffer." | |
589 | (save-excursion | |
590 | (let ((b (point-min)) | |
591 | (e (point-max))) | |
592 | (while (setq b (text-property-any b e 'article-type type)) | |
593 | (add-text-properties b (incf b) gnus-hidden-properties))))) | |
594 | ||
595 | (defun gnus-article-delete-text-of-type (type) | |
596 | "Delete text of TYPE in the current buffer." | |
597 | (save-excursion | |
a8151ef7 LMI |
598 | (let ((b (point-min))) |
599 | (while (setq b (text-property-any b (point-max) 'article-type type)) | |
600 | (delete-region | |
601 | b (or (text-property-not-all b (point-max) 'article-type type) | |
602 | (point-max))))))) | |
eec82323 LMI |
603 | |
604 | (defun gnus-article-delete-invisible-text () | |
605 | "Delete all invisible text in the current buffer." | |
606 | (save-excursion | |
a8151ef7 LMI |
607 | (let ((b (point-min))) |
608 | (while (setq b (text-property-any b (point-max) 'invisible t)) | |
609 | (delete-region | |
610 | b (or (text-property-not-all b (point-max) 'invisible t) | |
611 | (point-max))))))) | |
eec82323 LMI |
612 | |
613 | (defun gnus-article-text-type-exists-p (type) | |
614 | "Say whether any text of type TYPE exists in the buffer." | |
615 | (text-property-any (point-min) (point-max) 'article-type type)) | |
616 | ||
617 | (defsubst gnus-article-header-rank () | |
618 | "Give the rank of the string HEADER as given by `gnus-sorted-header-list'." | |
619 | (let ((list gnus-sorted-header-list) | |
620 | (i 0)) | |
621 | (while list | |
622 | (when (looking-at (car list)) | |
623 | (setq list nil)) | |
624 | (setq list (cdr list)) | |
625 | (incf i)) | |
626 | i)) | |
627 | ||
628 | (defun article-hide-headers (&optional arg delete) | |
629 | "Toggle whether to hide unwanted headers and possibly sort them as well. | |
630 | If given a negative prefix, always show; if given a positive prefix, | |
631 | always hide." | |
632 | (interactive (gnus-article-hidden-arg)) | |
633 | (if (gnus-article-check-hidden-text 'headers arg) | |
634 | ;; Show boring headers as well. | |
635 | (gnus-article-show-hidden-text 'boring-headers) | |
636 | ;; This function might be inhibited. | |
637 | (unless gnus-inhibit-hiding | |
638 | (save-excursion | |
639 | (save-restriction | |
640 | (let ((buffer-read-only nil) | |
641 | (props (nconc (list 'article-type 'headers) | |
642 | gnus-hidden-properties)) | |
643 | (max (1+ (length gnus-sorted-header-list))) | |
644 | (ignored (when (not gnus-visible-headers) | |
645 | (cond ((stringp gnus-ignored-headers) | |
646 | gnus-ignored-headers) | |
647 | ((listp gnus-ignored-headers) | |
648 | (mapconcat 'identity gnus-ignored-headers | |
649 | "\\|"))))) | |
650 | (visible | |
651 | (cond ((stringp gnus-visible-headers) | |
652 | gnus-visible-headers) | |
653 | ((and gnus-visible-headers | |
654 | (listp gnus-visible-headers)) | |
655 | (mapconcat 'identity gnus-visible-headers "\\|")))) | |
656 | (inhibit-point-motion-hooks t) | |
657 | want-list beg) | |
658 | ;; First we narrow to just the headers. | |
659 | (widen) | |
660 | (goto-char (point-min)) | |
661 | ;; Hide any "From " lines at the beginning of (mail) articles. | |
662 | (while (looking-at "From ") | |
663 | (forward-line 1)) | |
664 | (unless (bobp) | |
665 | (if delete | |
666 | (delete-region (point-min) (point)) | |
667 | (gnus-article-hide-text (point-min) (point) props))) | |
668 | ;; Then treat the rest of the header lines. | |
669 | (narrow-to-region | |
670 | (point) | |
671 | (if (search-forward "\n\n" nil t) ; if there's a body | |
672 | (progn (forward-line -1) (point)) | |
673 | (point-max))) | |
674 | ;; Then we use the two regular expressions | |
675 | ;; `gnus-ignored-headers' and `gnus-visible-headers' to | |
676 | ;; select which header lines is to remain visible in the | |
677 | ;; article buffer. | |
678 | (goto-char (point-min)) | |
679 | (while (re-search-forward "^[^ \t]*:" nil t) | |
680 | (beginning-of-line) | |
681 | ;; Mark the rank of the header. | |
682 | (put-text-property | |
683 | (point) (1+ (point)) 'message-rank | |
684 | (if (or (and visible (looking-at visible)) | |
685 | (and ignored | |
686 | (not (looking-at ignored)))) | |
687 | (gnus-article-header-rank) | |
688 | (+ 2 max))) | |
689 | (forward-line 1)) | |
690 | (message-sort-headers-1) | |
691 | (when (setq beg (text-property-any | |
692 | (point-min) (point-max) 'message-rank (+ 2 max))) | |
693 | ;; We make the unwanted headers invisible. | |
694 | (if delete | |
695 | (delete-region beg (point-max)) | |
696 | ;; Suggested by Sudish Joseph <joseph@cis.ohio-state.edu>. | |
697 | (gnus-article-hide-text-type beg (point-max) 'headers)) | |
698 | ;; Work around XEmacs lossage. | |
699 | (put-text-property (point-min) beg 'invisible nil)))))))) | |
700 | ||
701 | (defun article-hide-boring-headers (&optional arg) | |
702 | "Toggle hiding of headers that aren't very interesting. | |
703 | If given a negative prefix, always show; if given a positive prefix, | |
704 | always hide." | |
705 | (interactive (gnus-article-hidden-arg)) | |
706 | (when (and (not (gnus-article-check-hidden-text 'boring-headers arg)) | |
707 | (not gnus-show-all-headers)) | |
708 | (save-excursion | |
709 | (save-restriction | |
710 | (let ((buffer-read-only nil) | |
711 | (list gnus-boring-article-headers) | |
712 | (inhibit-point-motion-hooks t) | |
713 | elem) | |
714 | (nnheader-narrow-to-headers) | |
715 | (while list | |
716 | (setq elem (pop list)) | |
717 | (goto-char (point-min)) | |
718 | (cond | |
719 | ;; Hide empty headers. | |
720 | ((eq elem 'empty) | |
721 | (while (re-search-forward "^[^:]+:[ \t]*\n[^ \t]" nil t) | |
722 | (forward-line -1) | |
723 | (gnus-article-hide-text-type | |
724 | (progn (beginning-of-line) (point)) | |
725 | (progn | |
726 | (end-of-line) | |
727 | (if (re-search-forward "^[^ \t]" nil t) | |
728 | (match-beginning 0) | |
729 | (point-max))) | |
730 | 'boring-headers))) | |
731 | ;; Hide boring Newsgroups header. | |
732 | ((eq elem 'newsgroups) | |
733 | (when (equal (gnus-fetch-field "newsgroups") | |
734 | (gnus-group-real-name | |
735 | (if (boundp 'gnus-newsgroup-name) | |
736 | gnus-newsgroup-name | |
737 | ""))) | |
738 | (gnus-article-hide-header "newsgroups"))) | |
739 | ((eq elem 'followup-to) | |
740 | (when (equal (message-fetch-field "followup-to") | |
741 | (message-fetch-field "newsgroups")) | |
742 | (gnus-article-hide-header "followup-to"))) | |
743 | ((eq elem 'reply-to) | |
744 | (let ((from (message-fetch-field "from")) | |
745 | (reply-to (message-fetch-field "reply-to"))) | |
746 | (when (and | |
747 | from reply-to | |
748 | (ignore-errors | |
749 | (equal | |
750 | (nth 1 (mail-extract-address-components from)) | |
751 | (nth 1 (mail-extract-address-components reply-to))))) | |
752 | (gnus-article-hide-header "reply-to")))) | |
753 | ((eq elem 'date) | |
754 | (let ((date (message-fetch-field "date"))) | |
755 | (when (and date | |
756 | (< (gnus-days-between (current-time-string) date) | |
757 | 4)) | |
758 | (gnus-article-hide-header "date"))))))))))) | |
759 | ||
760 | (defun gnus-article-hide-header (header) | |
761 | (save-excursion | |
762 | (goto-char (point-min)) | |
763 | (when (re-search-forward (concat "^" header ":") nil t) | |
764 | (gnus-article-hide-text-type | |
765 | (progn (beginning-of-line) (point)) | |
766 | (progn | |
767 | (end-of-line) | |
768 | (if (re-search-forward "^[^ \t]" nil t) | |
769 | (match-beginning 0) | |
770 | (point-max))) | |
771 | 'boring-headers)))) | |
772 | ||
773 | ;; Written by Per Abrahamsen <amanda@iesd.auc.dk>. | |
774 | (defun article-treat-overstrike () | |
775 | "Translate overstrikes into bold text." | |
776 | (interactive) | |
777 | (save-excursion | |
778 | (goto-char (point-min)) | |
779 | (when (search-forward "\n\n" nil t) | |
780 | (let ((buffer-read-only nil)) | |
781 | (while (search-forward "\b" nil t) | |
782 | (let ((next (following-char)) | |
783 | (previous (char-after (- (point) 2)))) | |
784 | ;; We do the boldification/underlining by hiding the | |
785 | ;; overstrikes and putting the proper text property | |
786 | ;; on the letters. | |
787 | (cond | |
788 | ((eq next previous) | |
789 | (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike) | |
790 | (put-text-property (point) (1+ (point)) 'face 'bold)) | |
791 | ((eq next ?_) | |
792 | (gnus-article-hide-text-type | |
793 | (1- (point)) (1+ (point)) 'overstrike) | |
794 | (put-text-property | |
795 | (- (point) 2) (1- (point)) 'face 'underline)) | |
796 | ((eq previous ?_) | |
797 | (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike) | |
798 | (put-text-property | |
799 | (point) (1+ (point)) 'face 'underline))))))))) | |
800 | ||
801 | (defun article-fill () | |
802 | "Format too long lines." | |
803 | (interactive) | |
804 | (save-excursion | |
805 | (let ((buffer-read-only nil)) | |
806 | (widen) | |
807 | (goto-char (point-min)) | |
808 | (search-forward "\n\n" nil t) | |
809 | (end-of-line 1) | |
810 | (let ((paragraph-start "^[>|#:<;* ]*[ \t]*$") | |
811 | (adaptive-fill-regexp "[ \t]*\\([|#:<;>*]+ *\\)?") | |
812 | (adaptive-fill-mode t)) | |
813 | (while (not (eobp)) | |
814 | (and (>= (current-column) (min fill-column (window-width))) | |
815 | (/= (preceding-char) ?:) | |
816 | (fill-paragraph nil)) | |
817 | (end-of-line 2)))))) | |
818 | ||
819 | (defun article-remove-cr () | |
820 | "Remove carriage returns from an article." | |
821 | (interactive) | |
822 | (save-excursion | |
823 | (let ((buffer-read-only nil)) | |
824 | (goto-char (point-min)) | |
825 | (while (search-forward "\r" nil t) | |
826 | (replace-match "" t t))))) | |
827 | ||
828 | (defun article-remove-trailing-blank-lines () | |
829 | "Remove all trailing blank lines from the article." | |
830 | (interactive) | |
831 | (save-excursion | |
832 | (let ((buffer-read-only nil)) | |
833 | (goto-char (point-max)) | |
834 | (delete-region | |
835 | (point) | |
836 | (progn | |
837 | (while (and (not (bobp)) | |
838 | (looking-at "^[ \t]*$")) | |
839 | (forward-line -1)) | |
840 | (forward-line 1) | |
841 | (point)))))) | |
842 | ||
843 | (defun article-display-x-face (&optional force) | |
844 | "Look for an X-Face header and display it if present." | |
845 | (interactive (list 'force)) | |
846 | (save-excursion | |
847 | ;; Delete the old process, if any. | |
848 | (when (process-status "article-x-face") | |
849 | (delete-process "article-x-face")) | |
850 | (let ((inhibit-point-motion-hooks t) | |
851 | (case-fold-search nil) | |
852 | from) | |
853 | (save-restriction | |
854 | (nnheader-narrow-to-headers) | |
855 | (setq from (message-fetch-field "from")) | |
856 | (goto-char (point-min)) | |
a8151ef7 LMI |
857 | (while (and gnus-article-x-face-command |
858 | (or force | |
859 | ;; Check whether this face is censored. | |
860 | (not gnus-article-x-face-too-ugly) | |
861 | (and gnus-article-x-face-too-ugly from | |
862 | (not (string-match gnus-article-x-face-too-ugly | |
863 | from)))) | |
864 | ;; Has to be present. | |
865 | (re-search-forward "^X-Face: " nil t)) | |
eec82323 | 866 | ;; We now have the area of the buffer where the X-Face is stored. |
a8151ef7 LMI |
867 | (save-excursion |
868 | (let ((beg (point)) | |
869 | (end (1- (re-search-forward "^\\($\\|[^ \t]\\)" nil t)))) | |
870 | ;; We display the face. | |
871 | (if (symbolp gnus-article-x-face-command) | |
872 | ;; The command is a lisp function, so we call it. | |
873 | (if (gnus-functionp gnus-article-x-face-command) | |
874 | (funcall gnus-article-x-face-command beg end) | |
875 | (error "%s is not a function" gnus-article-x-face-command)) | |
876 | ;; The command is a string, so we interpret the command | |
877 | ;; as a, well, command, and fork it off. | |
878 | (let ((process-connection-type nil)) | |
879 | (process-kill-without-query | |
880 | (start-process | |
881 | "article-x-face" nil shell-file-name shell-command-switch | |
882 | gnus-article-x-face-command)) | |
883 | (process-send-region "article-x-face" beg end) | |
884 | (process-send-eof "article-x-face")))))))))) | |
885 | ||
886 | (defun gnus-hack-decode-rfc1522 () | |
887 | "Emergency hack function for avoiding problems when decoding." | |
888 | (let ((buffer-read-only nil)) | |
889 | (goto-char (point-min)) | |
890 | ;; Remove encoded TABs. | |
891 | (while (search-forward "=09" nil t) | |
892 | (replace-match " " t t)) | |
893 | ;; Remove encoded newlines. | |
894 | (goto-char (point-min)) | |
895 | (while (search-forward "=10" nil t) | |
896 | (replace-match " " t t)))) | |
eec82323 LMI |
897 | |
898 | (defalias 'gnus-decode-rfc1522 'article-decode-rfc1522) | |
899 | (defalias 'gnus-article-decode-rfc1522 'article-decode-rfc1522) | |
900 | (defun article-decode-rfc1522 () | |
901 | "Hack to remove QP encoding from headers." | |
902 | (let ((case-fold-search t) | |
903 | (inhibit-point-motion-hooks t) | |
904 | (buffer-read-only nil) | |
905 | string) | |
906 | (save-restriction | |
907 | (narrow-to-region | |
908 | (goto-char (point-min)) | |
909 | (or (search-forward "\n\n" nil t) (point-max))) | |
910 | (goto-char (point-min)) | |
911 | (while (re-search-forward | |
912 | "=\\?iso-8859-1\\?q\\?\\([^?\t\n]*\\)\\?=" nil t) | |
913 | (setq string (match-string 1)) | |
914 | (save-restriction | |
915 | (narrow-to-region (match-beginning 0) (match-end 0)) | |
916 | (delete-region (point-min) (point-max)) | |
917 | (insert string) | |
918 | (article-mime-decode-quoted-printable | |
919 | (goto-char (point-min)) (point-max)) | |
920 | (subst-char-in-region (point-min) (point-max) ?_ ? ) | |
921 | (goto-char (point-max))) | |
922 | (goto-char (point-min)))))) | |
923 | ||
924 | (defun article-de-quoted-unreadable (&optional force) | |
925 | "Do a naive translation of a quoted-printable-encoded article. | |
926 | This is in no way, shape or form meant as a replacement for real MIME | |
927 | processing, but is simply a stop-gap measure until MIME support is | |
928 | written. | |
929 | If FORCE, decode the article whether it is marked as quoted-printable | |
930 | or not." | |
931 | (interactive (list 'force)) | |
932 | (save-excursion | |
933 | (let ((case-fold-search t) | |
934 | (buffer-read-only nil) | |
935 | (type (gnus-fetch-field "content-transfer-encoding"))) | |
936 | (gnus-article-decode-rfc1522) | |
937 | (when (or force | |
938 | (and type (string-match "quoted-printable" (downcase type)))) | |
939 | (goto-char (point-min)) | |
940 | (search-forward "\n\n" nil 'move) | |
941 | (article-mime-decode-quoted-printable (point) (point-max)))))) | |
942 | ||
943 | (defun article-mime-decode-quoted-printable-buffer () | |
944 | "Decode Quoted-Printable in the current buffer." | |
945 | (article-mime-decode-quoted-printable (point-min) (point-max))) | |
946 | ||
947 | (defun article-mime-decode-quoted-printable (from to) | |
948 | "Decode Quoted-Printable in the region between FROM and TO." | |
949 | (interactive "r") | |
950 | (goto-char from) | |
951 | (while (search-forward "=" to t) | |
952 | (cond ((eq (following-char) ?\n) | |
953 | (delete-char -1) | |
954 | (delete-char 1)) | |
955 | ((looking-at "[0-9A-F][0-9A-F]") | |
956 | (subst-char-in-region | |
957 | (1- (point)) (point) ?= | |
958 | (hexl-hex-string-to-integer | |
959 | (buffer-substring (point) (+ 2 (point))))) | |
960 | (delete-char 2)) | |
961 | ((looking-at "=") | |
962 | (delete-char 1)) | |
963 | ((gnus-message 3 "Malformed MIME quoted-printable message"))))) | |
964 | ||
965 | (defun article-hide-pgp (&optional arg) | |
966 | "Toggle hiding of any PGP headers and signatures in the current article. | |
967 | If given a negative prefix, always show; if given a positive prefix, | |
968 | always hide." | |
969 | (interactive (gnus-article-hidden-arg)) | |
970 | (unless (gnus-article-check-hidden-text 'pgp arg) | |
971 | (save-excursion | |
972 | (let ((inhibit-point-motion-hooks t) | |
973 | buffer-read-only beg end) | |
974 | (widen) | |
975 | (goto-char (point-min)) | |
976 | ;; Hide the "header". | |
977 | (when (search-forward "\n-----BEGIN PGP SIGNED MESSAGE-----\n" nil t) | |
978 | (gnus-article-hide-text-type (1+ (match-beginning 0)) | |
a8151ef7 LMI |
979 | (match-end 0) 'pgp) |
980 | (setq beg (point)) | |
981 | ;; Hide the actual signature. | |
982 | (and (search-forward "\n-----BEGIN PGP SIGNATURE-----\n" nil t) | |
983 | (setq end (1+ (match-beginning 0))) | |
984 | (gnus-article-hide-text-type | |
985 | end | |
986 | (if (search-forward "\n-----END PGP SIGNATURE-----\n" nil t) | |
987 | (match-end 0) | |
988 | ;; Perhaps we shouldn't hide to the end of the buffer | |
989 | ;; if there is no end to the signature? | |
990 | (point-max)) | |
991 | 'pgp)) | |
992 | ;; Hide "- " PGP quotation markers. | |
993 | (when (and beg end) | |
994 | (narrow-to-region beg end) | |
995 | (goto-char (point-min)) | |
996 | (while (re-search-forward "^- " nil t) | |
997 | (gnus-article-hide-text-type | |
998 | (match-beginning 0) (match-end 0) 'pgp)) | |
999 | (widen)) | |
1000 | (run-hooks 'gnus-article-hide-pgp-hook)))))) | |
eec82323 LMI |
1001 | |
1002 | (defun article-hide-pem (&optional arg) | |
1003 | "Toggle hiding of any PEM headers and signatures in the current article. | |
1004 | If given a negative prefix, always show; if given a positive prefix, | |
1005 | always hide." | |
1006 | (interactive (gnus-article-hidden-arg)) | |
1007 | (unless (gnus-article-check-hidden-text 'pem arg) | |
1008 | (save-excursion | |
1009 | (let (buffer-read-only end) | |
1010 | (widen) | |
1011 | (goto-char (point-min)) | |
1012 | ;; hide the horrendously ugly "header". | |
1013 | (and (search-forward "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n" | |
1014 | nil | |
1015 | t) | |
1016 | (setq end (1+ (match-beginning 0))) | |
1017 | (gnus-article-hide-text-type | |
1018 | end | |
1019 | (if (search-forward "\n\n" nil t) | |
1020 | (match-end 0) | |
1021 | (point-max)) | |
1022 | 'pem)) | |
1023 | ;; hide the trailer as well | |
1024 | (and (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n" | |
1025 | nil | |
1026 | t) | |
1027 | (gnus-article-hide-text-type | |
1028 | (match-beginning 0) (match-end 0) 'pem)))))) | |
1029 | ||
1030 | (defun article-hide-signature (&optional arg) | |
1031 | "Hide the signature in the current article. | |
1032 | If given a negative prefix, always show; if given a positive prefix, | |
1033 | always hide." | |
1034 | (interactive (gnus-article-hidden-arg)) | |
1035 | (unless (gnus-article-check-hidden-text 'signature arg) | |
1036 | (save-excursion | |
1037 | (save-restriction | |
1038 | (let ((buffer-read-only nil)) | |
1039 | (when (gnus-article-narrow-to-signature) | |
1040 | (gnus-article-hide-text-type | |
1041 | (point-min) (point-max) 'signature))))))) | |
1042 | ||
1043 | (defun article-strip-leading-blank-lines () | |
1044 | "Remove all blank lines from the beginning of the article." | |
1045 | (interactive) | |
1046 | (save-excursion | |
1047 | (let ((inhibit-point-motion-hooks t) | |
1048 | buffer-read-only) | |
1049 | (goto-char (point-min)) | |
1050 | (when (search-forward "\n\n" nil t) | |
1051 | (while (and (not (eobp)) | |
1052 | (looking-at "[ \t]*$")) | |
1053 | (gnus-delete-line)))))) | |
1054 | ||
1055 | (defun article-strip-multiple-blank-lines () | |
1056 | "Replace consecutive blank lines with one empty line." | |
1057 | (interactive) | |
1058 | (save-excursion | |
1059 | (let ((inhibit-point-motion-hooks t) | |
1060 | buffer-read-only) | |
1061 | ;; First make all blank lines empty. | |
1062 | (goto-char (point-min)) | |
1063 | (search-forward "\n\n" nil t) | |
1064 | (while (re-search-forward "^[ \t]+$" nil t) | |
1065 | (replace-match "" nil t)) | |
1066 | ;; Then replace multiple empty lines with a single empty line. | |
1067 | (goto-char (point-min)) | |
1068 | (search-forward "\n\n" nil t) | |
1069 | (while (re-search-forward "\n\n\n+" nil t) | |
1070 | (replace-match "\n\n" t t))))) | |
1071 | ||
1072 | (defun article-strip-leading-space () | |
1073 | "Remove all white space from the beginning of the lines in the article." | |
1074 | (interactive) | |
1075 | (save-excursion | |
1076 | (let ((inhibit-point-motion-hooks t) | |
1077 | buffer-read-only) | |
1078 | (goto-char (point-min)) | |
1079 | (search-forward "\n\n" nil t) | |
1080 | (while (re-search-forward "^[ \t]+" nil t) | |
1081 | (replace-match "" t t))))) | |
1082 | ||
1083 | (defun article-strip-blank-lines () | |
1084 | "Strip leading, trailing and multiple blank lines." | |
1085 | (interactive) | |
1086 | (article-strip-leading-blank-lines) | |
1087 | (article-remove-trailing-blank-lines) | |
1088 | (article-strip-multiple-blank-lines)) | |
1089 | ||
1090 | (defvar mime::preview/content-list) | |
1091 | (defvar mime::preview-content-info/point-min) | |
1092 | (defun gnus-article-narrow-to-signature () | |
1093 | "Narrow to the signature; return t if a signature is found, else nil." | |
1094 | (widen) | |
1095 | (when (and (boundp 'mime::preview/content-list) | |
1096 | mime::preview/content-list) | |
1097 | ;; We have a MIMEish article, so we use the MIME data to narrow. | |
1098 | (let ((pcinfo (car (last mime::preview/content-list)))) | |
1099 | (ignore-errors | |
1100 | (narrow-to-region | |
1101 | (funcall (intern "mime::preview-content-info/point-min") pcinfo) | |
1102 | (point-max))))) | |
1103 | ||
1104 | (when (gnus-article-search-signature) | |
1105 | (forward-line 1) | |
1106 | ;; Check whether we have some limits to what we consider | |
1107 | ;; to be a signature. | |
1108 | (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit | |
1109 | (list gnus-signature-limit))) | |
1110 | limit limited) | |
1111 | (while (setq limit (pop limits)) | |
1112 | (if (or (and (integerp limit) | |
1113 | (< (- (point-max) (point)) limit)) | |
1114 | (and (floatp limit) | |
1115 | (< (count-lines (point) (point-max)) limit)) | |
1116 | (and (gnus-functionp limit) | |
1117 | (funcall limit)) | |
1118 | (and (stringp limit) | |
1119 | (not (re-search-forward limit nil t)))) | |
1120 | () ; This limit did not succeed. | |
1121 | (setq limited t | |
1122 | limits nil))) | |
1123 | (unless limited | |
1124 | (narrow-to-region (point) (point-max)) | |
1125 | t)))) | |
1126 | ||
1127 | (defun gnus-article-search-signature () | |
1128 | "Search the current buffer for the signature separator. | |
1129 | Put point at the beginning of the signature separator." | |
1130 | (let ((cur (point))) | |
1131 | (goto-char (point-max)) | |
1132 | (if (if (stringp gnus-signature-separator) | |
1133 | (re-search-backward gnus-signature-separator nil t) | |
1134 | (let ((seps gnus-signature-separator)) | |
1135 | (while (and seps | |
1136 | (not (re-search-backward (car seps) nil t))) | |
1137 | (pop seps)) | |
1138 | seps)) | |
1139 | t | |
1140 | (goto-char cur) | |
1141 | nil))) | |
1142 | ||
1143 | (eval-and-compile | |
a8151ef7 LMI |
1144 | (autoload 'w3-display "w3-parse") |
1145 | (autoload 'w3-do-setup "w3" "" t)) | |
eec82323 LMI |
1146 | |
1147 | (defun gnus-article-treat-html () | |
1148 | "Render HTML." | |
1149 | (interactive) | |
1150 | (let ((cbuf (current-buffer))) | |
1151 | (set-buffer gnus-article-buffer) | |
1152 | (let (buf buffer-read-only b e) | |
a8151ef7 | 1153 | (w3-do-setup) |
eec82323 LMI |
1154 | (goto-char (point-min)) |
1155 | (narrow-to-region | |
1156 | (if (search-forward "\n\n" nil t) | |
1157 | (setq b (point)) | |
1158 | (point-max)) | |
1159 | (setq e (point-max))) | |
1160 | (nnheader-temp-write nil | |
1161 | (insert-buffer-substring gnus-article-buffer b e) | |
a8151ef7 | 1162 | (require 'url) |
eec82323 | 1163 | (save-window-excursion |
a8151ef7 LMI |
1164 | (w3-region (point-min) (point-max)) |
1165 | (setq buf (buffer-substring-no-properties (point-min) (point-max))))) | |
eec82323 LMI |
1166 | (when buf |
1167 | (delete-region (point-min) (point-max)) | |
a8151ef7 | 1168 | (insert buf)) |
eec82323 LMI |
1169 | (widen) |
1170 | (goto-char (point-min)) | |
1171 | (set-window-start (get-buffer-window (current-buffer)) (point-min)) | |
1172 | (set-buffer cbuf)))) | |
1173 | ||
1174 | (defun gnus-article-hidden-arg () | |
1175 | "Return the current prefix arg as a number, or 0 if no prefix." | |
1176 | (list (if current-prefix-arg | |
1177 | (prefix-numeric-value current-prefix-arg) | |
1178 | 0))) | |
1179 | ||
1180 | (defun gnus-article-check-hidden-text (type arg) | |
1181 | "Return nil if hiding is necessary. | |
1182 | Arg can be nil or a number. Nil and positive means hide, negative | |
1183 | means show, 0 means toggle." | |
1184 | (save-excursion | |
1185 | (save-restriction | |
1186 | (widen) | |
1187 | (let ((hide (gnus-article-hidden-text-p type))) | |
1188 | (cond | |
1189 | ((or (null arg) | |
1190 | (> arg 0)) | |
1191 | nil) | |
1192 | ((< arg 0) | |
1193 | (gnus-article-show-hidden-text type)) | |
1194 | (t | |
1195 | (if (eq hide 'hidden) | |
1196 | (gnus-article-show-hidden-text type) | |
1197 | nil))))))) | |
1198 | ||
1199 | (defun gnus-article-hidden-text-p (type) | |
1200 | "Say whether the current buffer contains hidden text of type TYPE." | |
1201 | (let ((start (point-min)) | |
1202 | (pos (text-property-any (point-min) (point-max) 'article-type type))) | |
1203 | (while (and pos | |
1204 | (not (get-text-property pos 'invisible))) | |
1205 | (setq pos | |
1206 | (text-property-any (1+ pos) (point-max) 'article-type type))) | |
1207 | (if pos | |
1208 | 'hidden | |
1209 | 'shown))) | |
1210 | ||
1211 | (defun gnus-article-show-hidden-text (type &optional hide) | |
1212 | "Show all hidden text of type TYPE. | |
1213 | If HIDE, hide the text instead." | |
1214 | (save-excursion | |
1215 | (let ((buffer-read-only nil) | |
1216 | (inhibit-point-motion-hooks t) | |
1217 | (end (point-min)) | |
1218 | beg) | |
1219 | (while (setq beg (text-property-any end (point-max) 'article-type type)) | |
1220 | (goto-char beg) | |
1221 | (setq end (or | |
1222 | (text-property-not-all beg (point-max) 'article-type type) | |
1223 | (point-max))) | |
1224 | (if hide | |
1225 | (gnus-article-hide-text beg end gnus-hidden-properties) | |
1226 | (gnus-article-unhide-text beg end)) | |
1227 | (goto-char end)) | |
1228 | t))) | |
1229 | ||
1230 | (defconst article-time-units | |
1231 | `((year . ,(* 365.25 24 60 60)) | |
1232 | (week . ,(* 7 24 60 60)) | |
1233 | (day . ,(* 24 60 60)) | |
1234 | (hour . ,(* 60 60)) | |
1235 | (minute . 60) | |
1236 | (second . 1)) | |
1237 | "Mapping from time units to seconds.") | |
1238 | ||
1239 | (defun article-date-ut (&optional type highlight header) | |
1240 | "Convert DATE date to universal time in the current article. | |
1241 | If TYPE is `local', convert to local time; if it is `lapsed', output | |
1242 | how much time has lapsed since DATE." | |
1243 | (interactive (list 'ut t)) | |
1244 | (let* ((header (or header | |
1245 | (mail-header-date gnus-current-headers) | |
1246 | (message-fetch-field "date") | |
1247 | "")) | |
1248 | (date (if (vectorp header) (mail-header-date header) | |
1249 | header)) | |
1250 | (date-regexp "^Date:[ \t]\\|^X-Sent:[ \t]") | |
1251 | (inhibit-point-motion-hooks t) | |
1252 | bface eface) | |
1253 | (when (and date (not (string= date ""))) | |
1254 | (save-excursion | |
1255 | (save-restriction | |
1256 | (nnheader-narrow-to-headers) | |
1257 | (let ((buffer-read-only nil)) | |
1258 | ;; Delete any old Date headers. | |
1259 | (if (re-search-forward date-regexp nil t) | |
1260 | (progn | |
1261 | (setq bface (get-text-property (gnus-point-at-bol) 'face) | |
1262 | eface (get-text-property (1- (gnus-point-at-eol)) | |
1263 | 'face)) | |
1264 | (message-remove-header date-regexp t) | |
1265 | (beginning-of-line)) | |
1266 | (goto-char (point-max))) | |
1267 | (insert (article-make-date-line date type)) | |
1268 | ;; Do highlighting. | |
1269 | (forward-line -1) | |
1270 | (when (looking-at "\\([^:]+\\): *\\(.*\\)$") | |
1271 | (put-text-property (match-beginning 1) (match-end 1) | |
1272 | 'face bface) | |
1273 | (put-text-property (match-beginning 2) (match-end 2) | |
1274 | 'face eface)))))))) | |
1275 | ||
1276 | (defun article-make-date-line (date type) | |
1277 | "Return a DATE line of TYPE." | |
1278 | (cond | |
1279 | ;; Convert to the local timezone. We have to slap a | |
1280 | ;; `condition-case' round the calls to the timezone | |
1281 | ;; functions since they aren't particularly resistant to | |
1282 | ;; buggy dates. | |
1283 | ((eq type 'local) | |
1284 | (concat "Date: " (condition-case () | |
1285 | (timezone-make-date-arpa-standard date) | |
1286 | (error date)) | |
1287 | "\n")) | |
1288 | ;; Convert to Universal Time. | |
1289 | ((eq type 'ut) | |
1290 | (concat "Date: " | |
1291 | (condition-case () | |
1292 | (timezone-make-date-arpa-standard date nil "UT") | |
1293 | (error date)) | |
1294 | "\n")) | |
1295 | ;; Get the original date from the article. | |
1296 | ((eq type 'original) | |
1297 | (concat "Date: " date "\n")) | |
1298 | ;; Let the user define the format. | |
1299 | ((eq type 'user) | |
1300 | (concat | |
1301 | "Date: " | |
1302 | (format-time-string gnus-article-time-format | |
1303 | (ignore-errors | |
1304 | (gnus-encode-date | |
1305 | (timezone-make-date-arpa-standard | |
1306 | date nil "UT")))) | |
1307 | "\n")) | |
1308 | ;; Do an X-Sent lapsed format. | |
1309 | ((eq type 'lapsed) | |
1310 | ;; If the date is seriously mangled, the timezone functions are | |
1311 | ;; liable to bug out, so we ignore all errors. | |
1312 | (let* ((now (current-time)) | |
1313 | (real-time | |
1314 | (ignore-errors | |
1315 | (gnus-time-minus | |
1316 | (gnus-encode-date | |
1317 | (timezone-make-date-arpa-standard | |
1318 | (current-time-string now) | |
1319 | (current-time-zone now) "UT")) | |
1320 | (gnus-encode-date | |
1321 | (timezone-make-date-arpa-standard | |
1322 | date nil "UT"))))) | |
1323 | (real-sec (and real-time | |
1324 | (+ (* (float (car real-time)) 65536) | |
1325 | (cadr real-time)))) | |
1326 | (sec (and real-time (abs real-sec))) | |
1327 | num prev) | |
1328 | (cond | |
1329 | ((null real-time) | |
1330 | "X-Sent: Unknown\n") | |
1331 | ((zerop sec) | |
1332 | "X-Sent: Now\n") | |
1333 | (t | |
1334 | (concat | |
1335 | "X-Sent: " | |
1336 | ;; This is a bit convoluted, but basically we go | |
1337 | ;; through the time units for years, weeks, etc, | |
1338 | ;; and divide things to see whether that results | |
1339 | ;; in positive answers. | |
1340 | (mapconcat | |
1341 | (lambda (unit) | |
1342 | (if (zerop (setq num (ffloor (/ sec (cdr unit))))) | |
1343 | ;; The (remaining) seconds are too few to | |
1344 | ;; be divided into this time unit. | |
1345 | "" | |
1346 | ;; It's big enough, so we output it. | |
1347 | (setq sec (- sec (* num (cdr unit)))) | |
1348 | (prog1 | |
1349 | (concat (if prev ", " "") (int-to-string | |
1350 | (floor num)) | |
1351 | " " (symbol-name (car unit)) | |
1352 | (if (> num 1) "s" "")) | |
1353 | (setq prev t)))) | |
1354 | article-time-units "") | |
1355 | ;; If dates are odd, then it might appear like the | |
1356 | ;; article was sent in the future. | |
1357 | (if (> real-sec 0) | |
1358 | " ago\n" | |
1359 | " in the future\n")))))) | |
1360 | (t | |
1361 | (error "Unknown conversion type: %s" type)))) | |
1362 | ||
1363 | (defun article-date-local (&optional highlight) | |
1364 | "Convert the current article date to the local timezone." | |
1365 | (interactive (list t)) | |
1366 | (article-date-ut 'local highlight)) | |
1367 | ||
1368 | (defun article-date-original (&optional highlight) | |
1369 | "Convert the current article date to what it was originally. | |
1370 | This is only useful if you have used some other date conversion | |
1371 | function and want to see what the date was before converting." | |
1372 | (interactive (list t)) | |
1373 | (article-date-ut 'original highlight)) | |
1374 | ||
1375 | (defun article-date-lapsed (&optional highlight) | |
1376 | "Convert the current article date to time lapsed since it was sent." | |
1377 | (interactive (list t)) | |
1378 | (article-date-ut 'lapsed highlight)) | |
1379 | ||
1380 | (defun article-date-user (&optional highlight) | |
1381 | "Convert the current article date to the user-defined format. | |
1382 | This format is defined by the `gnus-article-time-format' variable." | |
1383 | (interactive (list t)) | |
1384 | (article-date-ut 'user highlight)) | |
1385 | ||
1386 | (defun article-show-all () | |
1387 | "Show all hidden text in the article buffer." | |
1388 | (interactive) | |
1389 | (save-excursion | |
1390 | (let ((buffer-read-only nil)) | |
1391 | (gnus-article-unhide-text (point-min) (point-max))))) | |
1392 | ||
1393 | (defun article-emphasize (&optional arg) | |
1394 | "Emphasize text according to `gnus-emphasis-alist'." | |
1395 | (interactive (gnus-article-hidden-arg)) | |
1396 | (unless (gnus-article-check-hidden-text 'emphasis arg) | |
1397 | (save-excursion | |
1398 | (let ((alist gnus-emphasis-alist) | |
1399 | (buffer-read-only nil) | |
1400 | (props (append '(article-type emphasis) | |
1401 | gnus-hidden-properties)) | |
1402 | regexp elem beg invisible visible face) | |
1403 | (goto-char (point-min)) | |
1404 | (search-forward "\n\n" nil t) | |
1405 | (setq beg (point)) | |
1406 | (while (setq elem (pop alist)) | |
1407 | (goto-char beg) | |
1408 | (setq regexp (car elem) | |
1409 | invisible (nth 1 elem) | |
1410 | visible (nth 2 elem) | |
1411 | face (nth 3 elem)) | |
1412 | (while (re-search-forward regexp nil t) | |
1413 | (when (and (match-beginning visible) (match-beginning invisible)) | |
1414 | (gnus-article-hide-text | |
1415 | (match-beginning invisible) (match-end invisible) props) | |
1416 | (gnus-article-unhide-text-type | |
1417 | (match-beginning visible) (match-end visible) 'emphasis) | |
1418 | (gnus-put-text-property-excluding-newlines | |
1419 | (match-beginning visible) (match-end visible) 'face face) | |
1420 | (goto-char (match-end invisible))))))))) | |
1421 | ||
1422 | (defvar gnus-summary-article-menu) | |
1423 | (defvar gnus-summary-post-menu) | |
1424 | ||
1425 | ;;; Saving functions. | |
1426 | ||
1427 | (defun gnus-article-save (save-buffer file &optional num) | |
1428 | "Save the currently selected article." | |
1429 | (unless gnus-save-all-headers | |
1430 | ;; Remove headers according to `gnus-saved-headers'. | |
1431 | (let ((gnus-visible-headers | |
1432 | (or gnus-saved-headers gnus-visible-headers)) | |
1433 | (gnus-article-buffer save-buffer)) | |
1434 | (gnus-article-hide-headers 1 t))) | |
1435 | (save-window-excursion | |
1436 | (if (not gnus-default-article-saver) | |
a8151ef7 | 1437 | (error "No default saver is defined") |
eec82323 LMI |
1438 | ;; !!! Magic! The saving functions all save |
1439 | ;; `gnus-original-article-buffer' (or so they think), but we | |
1440 | ;; bind that variable to our save-buffer. | |
1441 | (set-buffer gnus-article-buffer) | |
1442 | (let* ((gnus-save-article-buffer save-buffer) | |
1443 | (filename | |
1444 | (cond | |
1445 | ((not gnus-prompt-before-saving) 'default) | |
1446 | ((eq gnus-prompt-before-saving 'always) nil) | |
1447 | (t file))) | |
1448 | (gnus-number-of-articles-to-be-saved | |
1449 | (when (eq gnus-prompt-before-saving t) | |
1450 | num))) ; Magic | |
1451 | (set-buffer gnus-summary-buffer) | |
1452 | (funcall gnus-default-article-saver filename))))) | |
1453 | ||
1454 | (defun gnus-read-save-file-name (prompt &optional filename | |
1455 | function group headers variable) | |
1456 | (let ((default-name | |
1457 | (funcall function group headers (symbol-value variable))) | |
1458 | result) | |
1459 | (setq | |
1460 | result | |
1461 | (cond | |
1462 | ((eq filename 'default) | |
1463 | default-name) | |
1464 | ((eq filename t) | |
1465 | default-name) | |
1466 | (filename filename) | |
1467 | (t | |
1468 | (let* ((split-name (gnus-get-split-value gnus-split-methods)) | |
1469 | (prompt | |
1470 | (format prompt | |
1471 | (if (and gnus-number-of-articles-to-be-saved | |
1472 | (> gnus-number-of-articles-to-be-saved 1)) | |
1473 | (format "these %d articles" | |
1474 | gnus-number-of-articles-to-be-saved) | |
1475 | "this article"))) | |
1476 | (file | |
1477 | ;; Let the split methods have their say. | |
1478 | (cond | |
1479 | ;; No split name was found. | |
1480 | ((null split-name) | |
1481 | (read-file-name | |
1482 | (concat prompt " (default " | |
1483 | (file-name-nondirectory default-name) ") ") | |
1484 | (file-name-directory default-name) | |
1485 | default-name)) | |
1486 | ;; A single group name is returned. | |
1487 | ((stringp split-name) | |
1488 | (setq default-name | |
1489 | (funcall function split-name headers | |
1490 | (symbol-value variable))) | |
1491 | (read-file-name | |
1492 | (concat prompt " (default " | |
1493 | (file-name-nondirectory default-name) ") ") | |
1494 | (file-name-directory default-name) | |
1495 | default-name)) | |
1496 | ;; A single split name was found | |
1497 | ((= 1 (length split-name)) | |
a8151ef7 LMI |
1498 | (let* ((name (expand-file-name |
1499 | (car split-name) gnus-article-save-directory)) | |
eec82323 LMI |
1500 | (dir (cond ((file-directory-p name) |
1501 | (file-name-as-directory name)) | |
1502 | ((file-exists-p name) name) | |
1503 | (t gnus-article-save-directory)))) | |
1504 | (read-file-name | |
1505 | (concat prompt " (default " name ") ") | |
1506 | dir name))) | |
1507 | ;; A list of splits was found. | |
1508 | (t | |
1509 | (setq split-name (nreverse split-name)) | |
1510 | (let (result) | |
1511 | (let ((file-name-history | |
1512 | (nconc split-name file-name-history))) | |
1513 | (setq result | |
1514 | (expand-file-name | |
1515 | (read-file-name | |
1516 | (concat prompt " (`M-p' for defaults) ") | |
1517 | gnus-article-save-directory | |
1518 | (car split-name)) | |
1519 | gnus-article-save-directory))) | |
1520 | (car (push result file-name-history))))))) | |
1521 | ;; Create the directory. | |
1522 | (gnus-make-directory (file-name-directory file)) | |
1523 | ;; If we have read a directory, we append the default file name. | |
1524 | (when (file-directory-p file) | |
1525 | (setq file (concat (file-name-as-directory file) | |
1526 | (file-name-nondirectory default-name)))) | |
1527 | ;; Possibly translate some characters. | |
1528 | (nnheader-translate-file-chars file))))) | |
1529 | (gnus-make-directory (file-name-directory result)) | |
1530 | (set variable result))) | |
1531 | ||
1532 | (defun gnus-article-archive-name (group) | |
1533 | "Return the first instance of an \"Archive-name\" in the current buffer." | |
1534 | (let ((case-fold-search t)) | |
1535 | (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t) | |
1536 | (nnheader-concat gnus-article-save-directory | |
1537 | (match-string 1))))) | |
1538 | ||
1539 | (defun gnus-article-nndoc-name (group) | |
1540 | "If GROUP is an nndoc group, return the name of the parent group." | |
1541 | (when (eq (car (gnus-find-method-for-group group)) 'nndoc) | |
1542 | (gnus-group-get-parameter group 'save-article-group))) | |
1543 | ||
1544 | (defun gnus-summary-save-in-rmail (&optional filename) | |
1545 | "Append this article to Rmail file. | |
1546 | Optional argument FILENAME specifies file name. | |
1547 | Directory to save to is default to `gnus-article-save-directory'." | |
1548 | (interactive) | |
1549 | (gnus-set-global-variables) | |
1550 | (setq filename (gnus-read-save-file-name | |
1551 | "Save %s in rmail file:" filename | |
1552 | gnus-rmail-save-name gnus-newsgroup-name | |
1553 | gnus-current-headers 'gnus-newsgroup-last-rmail)) | |
1554 | (gnus-eval-in-buffer-window gnus-save-article-buffer | |
1555 | (save-excursion | |
1556 | (save-restriction | |
1557 | (widen) | |
1558 | (gnus-output-to-rmail filename))))) | |
1559 | ||
1560 | (defun gnus-summary-save-in-mail (&optional filename) | |
1561 | "Append this article to Unix mail file. | |
1562 | Optional argument FILENAME specifies file name. | |
1563 | Directory to save to is default to `gnus-article-save-directory'." | |
1564 | (interactive) | |
1565 | (gnus-set-global-variables) | |
1566 | (setq filename (gnus-read-save-file-name | |
1567 | "Save %s in Unix mail file:" filename | |
1568 | gnus-mail-save-name gnus-newsgroup-name | |
1569 | gnus-current-headers 'gnus-newsgroup-last-mail)) | |
1570 | (gnus-eval-in-buffer-window gnus-save-article-buffer | |
1571 | (save-excursion | |
1572 | (save-restriction | |
1573 | (widen) | |
1574 | (if (and (file-readable-p filename) | |
1575 | (mail-file-babyl-p filename)) | |
1576 | (gnus-output-to-rmail filename t) | |
1577 | (gnus-output-to-mail filename)))))) | |
1578 | ||
1579 | (defun gnus-summary-save-in-file (&optional filename overwrite) | |
1580 | "Append this article to file. | |
1581 | Optional argument FILENAME specifies file name. | |
1582 | Directory to save to is default to `gnus-article-save-directory'." | |
1583 | (interactive) | |
1584 | (gnus-set-global-variables) | |
1585 | (setq filename (gnus-read-save-file-name | |
1586 | "Save %s in file:" filename | |
1587 | gnus-file-save-name gnus-newsgroup-name | |
1588 | gnus-current-headers 'gnus-newsgroup-last-file)) | |
1589 | (gnus-eval-in-buffer-window gnus-save-article-buffer | |
1590 | (save-excursion | |
1591 | (save-restriction | |
1592 | (widen) | |
1593 | (when (and overwrite | |
1594 | (file-exists-p filename)) | |
1595 | (delete-file filename)) | |
1596 | (gnus-output-to-file filename))))) | |
1597 | ||
1598 | (defun gnus-summary-write-to-file (&optional filename) | |
1599 | "Write this article to a file. | |
1600 | Optional argument FILENAME specifies file name. | |
1601 | The directory to save in defaults to `gnus-article-save-directory'." | |
1602 | (interactive) | |
1603 | (gnus-summary-save-in-file nil t)) | |
1604 | ||
1605 | (defun gnus-summary-save-body-in-file (&optional filename) | |
1606 | "Append this article body to a file. | |
1607 | Optional argument FILENAME specifies file name. | |
1608 | The directory to save in defaults to `gnus-article-save-directory'." | |
1609 | (interactive) | |
1610 | (gnus-set-global-variables) | |
1611 | (setq filename (gnus-read-save-file-name | |
1612 | "Save %s body in file:" filename | |
1613 | gnus-file-save-name gnus-newsgroup-name | |
1614 | gnus-current-headers 'gnus-newsgroup-last-file)) | |
1615 | (gnus-eval-in-buffer-window gnus-save-article-buffer | |
1616 | (save-excursion | |
1617 | (save-restriction | |
1618 | (widen) | |
1619 | (goto-char (point-min)) | |
1620 | (when (search-forward "\n\n" nil t) | |
1621 | (narrow-to-region (point) (point-max))) | |
1622 | (gnus-output-to-file filename))))) | |
1623 | ||
1624 | (defun gnus-summary-save-in-pipe (&optional command) | |
1625 | "Pipe this article to subprocess." | |
1626 | (interactive) | |
1627 | (gnus-set-global-variables) | |
1628 | (setq command | |
1629 | (cond ((eq command 'default) | |
1630 | gnus-last-shell-command) | |
1631 | (command command) | |
1632 | (t (read-string | |
1633 | (format | |
1634 | "Shell command on %s: " | |
1635 | (if (and gnus-number-of-articles-to-be-saved | |
1636 | (> gnus-number-of-articles-to-be-saved 1)) | |
1637 | (format "these %d articles" | |
1638 | gnus-number-of-articles-to-be-saved) | |
1639 | "this article")) | |
1640 | gnus-last-shell-command)))) | |
1641 | (when (string-equal command "") | |
1642 | (setq command gnus-last-shell-command)) | |
1643 | (gnus-eval-in-buffer-window gnus-article-buffer | |
1644 | (save-restriction | |
1645 | (widen) | |
1646 | (shell-command-on-region (point-min) (point-max) command nil))) | |
1647 | (setq gnus-last-shell-command command)) | |
1648 | ||
1649 | ;;; Article file names when saving. | |
1650 | ||
1651 | (defun gnus-capitalize-newsgroup (newsgroup) | |
1652 | "Capitalize NEWSGROUP name." | |
1653 | (when (not (zerop (length newsgroup))) | |
1654 | (concat (char-to-string (upcase (aref newsgroup 0))) | |
1655 | (substring newsgroup 1)))) | |
1656 | ||
1657 | (defun gnus-Numeric-save-name (newsgroup headers &optional last-file) | |
1658 | "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE. | |
1659 | If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num. | |
1660 | Otherwise, it is like ~/News/news/group/num." | |
1661 | (let ((default | |
1662 | (expand-file-name | |
1663 | (concat (if (gnus-use-long-file-name 'not-save) | |
1664 | (gnus-capitalize-newsgroup newsgroup) | |
1665 | (gnus-newsgroup-directory-form newsgroup)) | |
1666 | "/" (int-to-string (mail-header-number headers))) | |
1667 | gnus-article-save-directory))) | |
1668 | (if (and last-file | |
1669 | (string-equal (file-name-directory default) | |
1670 | (file-name-directory last-file)) | |
1671 | (string-match "^[0-9]+$" (file-name-nondirectory last-file))) | |
1672 | default | |
1673 | (or last-file default)))) | |
1674 | ||
1675 | (defun gnus-numeric-save-name (newsgroup headers &optional last-file) | |
1676 | "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE. | |
1677 | If variable `gnus-use-long-file-name' is non-nil, it is | |
1678 | ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num." | |
1679 | (let ((default | |
1680 | (expand-file-name | |
1681 | (concat (if (gnus-use-long-file-name 'not-save) | |
1682 | newsgroup | |
1683 | (gnus-newsgroup-directory-form newsgroup)) | |
1684 | "/" (int-to-string (mail-header-number headers))) | |
1685 | gnus-article-save-directory))) | |
1686 | (if (and last-file | |
1687 | (string-equal (file-name-directory default) | |
1688 | (file-name-directory last-file)) | |
1689 | (string-match "^[0-9]+$" (file-name-nondirectory last-file))) | |
1690 | default | |
1691 | (or last-file default)))) | |
1692 | ||
1693 | (defun gnus-Plain-save-name (newsgroup headers &optional last-file) | |
1694 | "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE. | |
1695 | If variable `gnus-use-long-file-name' is non-nil, it is | |
1696 | ~/News/News.group. Otherwise, it is like ~/News/news/group/news." | |
1697 | (or last-file | |
1698 | (expand-file-name | |
1699 | (if (gnus-use-long-file-name 'not-save) | |
1700 | (gnus-capitalize-newsgroup newsgroup) | |
1701 | (concat (gnus-newsgroup-directory-form newsgroup) "/news")) | |
1702 | gnus-article-save-directory))) | |
1703 | ||
1704 | (defun gnus-plain-save-name (newsgroup headers &optional last-file) | |
1705 | "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE. | |
1706 | If variable `gnus-use-long-file-name' is non-nil, it is | |
1707 | ~/News/news.group. Otherwise, it is like ~/News/news/group/news." | |
1708 | (or last-file | |
1709 | (expand-file-name | |
1710 | (if (gnus-use-long-file-name 'not-save) | |
1711 | newsgroup | |
1712 | (concat (gnus-newsgroup-directory-form newsgroup) "/news")) | |
1713 | gnus-article-save-directory))) | |
1714 | ||
1715 | (eval-and-compile | |
1716 | (mapcar | |
1717 | (lambda (func) | |
1718 | (let (afunc gfunc) | |
1719 | (if (consp func) | |
1720 | (setq afunc (car func) | |
1721 | gfunc (cdr func)) | |
1722 | (setq afunc func | |
1723 | gfunc (intern (format "gnus-%s" func)))) | |
1724 | (fset gfunc | |
1725 | (if (not (fboundp afunc)) | |
1726 | nil | |
1727 | `(lambda (&optional interactive &rest args) | |
1728 | ,(documentation afunc t) | |
1729 | (interactive (list t)) | |
1730 | (save-excursion | |
1731 | (set-buffer gnus-article-buffer) | |
1732 | (if interactive | |
1733 | (call-interactively ',afunc) | |
1734 | (apply ',afunc args)))))))) | |
1735 | '(article-hide-headers | |
1736 | article-hide-boring-headers | |
1737 | article-treat-overstrike | |
1738 | (article-fill . gnus-article-word-wrap) | |
1739 | article-remove-cr | |
1740 | article-display-x-face | |
1741 | article-de-quoted-unreadable | |
1742 | article-mime-decode-quoted-printable | |
1743 | article-hide-pgp | |
1744 | article-hide-pem | |
1745 | article-hide-signature | |
1746 | article-remove-trailing-blank-lines | |
1747 | article-strip-leading-blank-lines | |
1748 | article-strip-multiple-blank-lines | |
1749 | article-strip-leading-space | |
1750 | article-strip-blank-lines | |
1751 | article-date-local | |
1752 | article-date-original | |
1753 | article-date-ut | |
1754 | article-date-user | |
1755 | article-date-lapsed | |
1756 | article-emphasize | |
1757 | (article-show-all . gnus-article-show-all-headers)))) | |
1758 | \f | |
1759 | ;;; | |
1760 | ;;; Gnus article mode | |
1761 | ;;; | |
1762 | ||
1763 | (put 'gnus-article-mode 'mode-class 'special) | |
1764 | ||
a8151ef7 LMI |
1765 | (gnus-define-keys gnus-article-mode-map |
1766 | " " gnus-article-goto-next-page | |
1767 | "\177" gnus-article-goto-prev-page | |
1768 | [delete] gnus-article-goto-prev-page | |
1769 | "\C-c^" gnus-article-refer-article | |
1770 | "h" gnus-article-show-summary | |
1771 | "s" gnus-article-show-summary | |
1772 | "\C-c\C-m" gnus-article-mail | |
1773 | "?" gnus-article-describe-briefly | |
1774 | gnus-mouse-2 gnus-article-push-button | |
1775 | "\r" gnus-article-press-button | |
1776 | "\t" gnus-article-next-button | |
1777 | "\M-\t" gnus-article-prev-button | |
1778 | "e" gnus-article-edit | |
1779 | "<" beginning-of-buffer | |
1780 | ">" end-of-buffer | |
1781 | "\C-c\C-i" gnus-info-find-node | |
1782 | "\C-c\C-b" gnus-bug | |
1783 | ||
1784 | "\C-d" gnus-article-read-summary-keys | |
1785 | "\M-*" gnus-article-read-summary-keys | |
1786 | "\M-#" gnus-article-read-summary-keys | |
1787 | "\M-^" gnus-article-read-summary-keys | |
1788 | "\M-g" gnus-article-read-summary-keys) | |
1789 | ||
1790 | (substitute-key-definition | |
1791 | 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map) | |
eec82323 LMI |
1792 | |
1793 | (defun gnus-article-make-menu-bar () | |
1794 | (gnus-turn-off-edit-menu 'article) | |
1795 | (unless (boundp 'gnus-article-article-menu) | |
1796 | (easy-menu-define | |
1797 | gnus-article-article-menu gnus-article-mode-map "" | |
1798 | '("Article" | |
1799 | ["Scroll forwards" gnus-article-goto-next-page t] | |
1800 | ["Scroll backwards" gnus-article-goto-prev-page t] | |
1801 | ["Show summary" gnus-article-show-summary t] | |
1802 | ["Fetch Message-ID at point" gnus-article-refer-article t] | |
1803 | ["Mail to address at point" gnus-article-mail t])) | |
1804 | ||
1805 | (easy-menu-define | |
1806 | gnus-article-treatment-menu gnus-article-mode-map "" | |
1807 | '("Treatment" | |
1808 | ["Hide headers" gnus-article-hide-headers t] | |
1809 | ["Hide signature" gnus-article-hide-signature t] | |
1810 | ["Hide citation" gnus-article-hide-citation t] | |
1811 | ["Treat overstrike" gnus-article-treat-overstrike t] | |
1812 | ["Remove carriage return" gnus-article-remove-cr t] | |
1813 | ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t])) | |
1814 | ||
1815 | (when nil | |
1816 | (when (boundp 'gnus-summary-article-menu) | |
1817 | (define-key gnus-article-mode-map [menu-bar commands] | |
1818 | (cons "Commands" gnus-summary-article-menu)))) | |
1819 | ||
1820 | (when (boundp 'gnus-summary-post-menu) | |
1821 | (define-key gnus-article-mode-map [menu-bar post] | |
1822 | (cons "Post" gnus-summary-post-menu))) | |
1823 | ||
1824 | (run-hooks 'gnus-article-menu-hook))) | |
1825 | ||
1826 | (defun gnus-article-mode () | |
1827 | "Major mode for displaying an article. | |
1828 | ||
1829 | All normal editing commands are switched off. | |
1830 | ||
1831 | The following commands are available in addition to all summary mode | |
1832 | commands: | |
1833 | \\<gnus-article-mode-map> | |
1834 | \\[gnus-article-next-page]\t Scroll the article one page forwards | |
1835 | \\[gnus-article-prev-page]\t Scroll the article one page backwards | |
1836 | \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point | |
1837 | \\[gnus-article-show-summary]\t Display the summary buffer | |
1838 | \\[gnus-article-mail]\t Send a reply to the address near point | |
1839 | \\[gnus-article-describe-briefly]\t Describe the current mode briefly | |
1840 | \\[gnus-info-find-node]\t Go to the Gnus info node" | |
1841 | (interactive) | |
1842 | (when (gnus-visual-p 'article-menu 'menu) | |
1843 | (gnus-article-make-menu-bar)) | |
1844 | (kill-all-local-variables) | |
1845 | (gnus-simplify-mode-line) | |
1846 | (setq mode-name "Article") | |
1847 | (setq major-mode 'gnus-article-mode) | |
1848 | (make-local-variable 'minor-mode-alist) | |
1849 | (unless (assq 'gnus-show-mime minor-mode-alist) | |
1850 | (push (list 'gnus-show-mime " MIME") minor-mode-alist)) | |
1851 | (use-local-map gnus-article-mode-map) | |
1852 | (gnus-update-format-specifications nil 'article-mode) | |
1853 | (set (make-local-variable 'page-delimiter) gnus-page-delimiter) | |
1854 | (set (make-local-variable 'gnus-page-broken) nil) | |
1855 | (set (make-local-variable 'gnus-button-marker-list) nil) | |
1856 | (gnus-set-default-directory) | |
1857 | (buffer-disable-undo (current-buffer)) | |
1858 | (setq buffer-read-only t) | |
1859 | (set-syntax-table gnus-article-mode-syntax-table) | |
1860 | (run-hooks 'gnus-article-mode-hook)) | |
1861 | ||
1862 | (defun gnus-article-setup-buffer () | |
1863 | "Initialize the article buffer." | |
1864 | (let* ((name (if gnus-single-article-buffer "*Article*" | |
1865 | (concat "*Article " gnus-newsgroup-name "*"))) | |
1866 | (original | |
1867 | (progn (string-match "\\*Article" name) | |
1868 | (concat " *Original Article" | |
1869 | (substring name (match-end 0)))))) | |
1870 | (setq gnus-article-buffer name) | |
1871 | (setq gnus-original-article-buffer original) | |
1872 | ;; This might be a variable local to the summary buffer. | |
1873 | (unless gnus-single-article-buffer | |
1874 | (save-excursion | |
1875 | (set-buffer gnus-summary-buffer) | |
1876 | (setq gnus-article-buffer name) | |
1877 | (setq gnus-original-article-buffer original) | |
1878 | (gnus-set-global-variables))) | |
1879 | ;; Init original article buffer. | |
1880 | (save-excursion | |
1881 | (set-buffer (get-buffer-create gnus-original-article-buffer)) | |
1882 | (buffer-disable-undo (current-buffer)) | |
1883 | (setq major-mode 'gnus-original-article-mode) | |
1884 | (gnus-add-current-to-buffer-list) | |
1885 | (make-local-variable 'gnus-original-article)) | |
1886 | (if (get-buffer name) | |
1887 | (save-excursion | |
1888 | (set-buffer name) | |
1889 | (buffer-disable-undo (current-buffer)) | |
1890 | (setq buffer-read-only t) | |
1891 | (gnus-add-current-to-buffer-list) | |
1892 | (unless (eq major-mode 'gnus-article-mode) | |
1893 | (gnus-article-mode)) | |
1894 | (current-buffer)) | |
1895 | (save-excursion | |
1896 | (set-buffer (get-buffer-create name)) | |
1897 | (gnus-add-current-to-buffer-list) | |
1898 | (gnus-article-mode) | |
1899 | (make-local-variable 'gnus-summary-buffer) | |
1900 | (current-buffer))))) | |
1901 | ||
1902 | ;; Set article window start at LINE, where LINE is the number of lines | |
1903 | ;; from the head of the article. | |
1904 | (defun gnus-article-set-window-start (&optional line) | |
1905 | (set-window-start | |
1906 | (get-buffer-window gnus-article-buffer t) | |
1907 | (save-excursion | |
1908 | (set-buffer gnus-article-buffer) | |
1909 | (goto-char (point-min)) | |
1910 | (if (not line) | |
1911 | (point-min) | |
1912 | (gnus-message 6 "Moved to bookmark") | |
1913 | (search-forward "\n\n" nil t) | |
1914 | (forward-line line) | |
1915 | (point))))) | |
1916 | ||
1917 | (defun gnus-article-prepare (article &optional all-headers header) | |
1918 | "Prepare ARTICLE in article mode buffer. | |
1919 | ARTICLE should either be an article number or a Message-ID. | |
1920 | If ARTICLE is an id, HEADER should be the article headers. | |
1921 | If ALL-HEADERS is non-nil, no headers are hidden." | |
1922 | (save-excursion | |
1923 | ;; Make sure we start in a summary buffer. | |
1924 | (unless (eq major-mode 'gnus-summary-mode) | |
1925 | (set-buffer gnus-summary-buffer)) | |
1926 | (setq gnus-summary-buffer (current-buffer)) | |
1927 | ;; Make sure the connection to the server is alive. | |
1928 | (unless (gnus-server-opened | |
1929 | (gnus-find-method-for-group gnus-newsgroup-name)) | |
1930 | (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name)) | |
1931 | (gnus-request-group gnus-newsgroup-name t)) | |
1932 | (let* ((gnus-article (if header (mail-header-number header) article)) | |
1933 | (summary-buffer (current-buffer)) | |
1934 | (internal-hook gnus-article-internal-prepare-hook) | |
1935 | (group gnus-newsgroup-name) | |
1936 | result) | |
1937 | (save-excursion | |
1938 | (gnus-article-setup-buffer) | |
1939 | (set-buffer gnus-article-buffer) | |
1940 | ;; Deactivate active regions. | |
1941 | (when (and (boundp 'transient-mark-mode) | |
1942 | transient-mark-mode) | |
1943 | (setq mark-active nil)) | |
1944 | (if (not (setq result (let ((buffer-read-only nil)) | |
1945 | (gnus-request-article-this-buffer | |
1946 | article group)))) | |
1947 | ;; There is no such article. | |
1948 | (save-excursion | |
1949 | (when (and (numberp article) | |
1950 | (not (memq article gnus-newsgroup-sparse))) | |
1951 | (setq gnus-article-current | |
1952 | (cons gnus-newsgroup-name article)) | |
1953 | (set-buffer gnus-summary-buffer) | |
1954 | (setq gnus-current-article article) | |
1955 | (gnus-summary-mark-article article gnus-canceled-mark)) | |
1956 | (unless (memq article gnus-newsgroup-sparse) | |
1957 | (gnus-error | |
1958 | 1 "No such article (may have expired or been canceled)"))) | |
1959 | (if (or (eq result 'pseudo) (eq result 'nneething)) | |
1960 | (progn | |
1961 | (save-excursion | |
1962 | (set-buffer summary-buffer) | |
1963 | (setq gnus-last-article gnus-current-article | |
1964 | gnus-newsgroup-history (cons gnus-current-article | |
1965 | gnus-newsgroup-history) | |
1966 | gnus-current-article 0 | |
1967 | gnus-current-headers nil | |
1968 | gnus-article-current nil) | |
1969 | (if (eq result 'nneething) | |
1970 | (gnus-configure-windows 'summary) | |
1971 | (gnus-configure-windows 'article)) | |
1972 | (gnus-set-global-variables)) | |
1973 | (gnus-set-mode-line 'article)) | |
1974 | ;; The result from the `request' was an actual article - | |
1975 | ;; or at least some text that is now displayed in the | |
1976 | ;; article buffer. | |
1977 | (when (and (numberp article) | |
1978 | (not (eq article gnus-current-article))) | |
1979 | ;; Seems like a new article has been selected. | |
1980 | ;; `gnus-current-article' must be an article number. | |
1981 | (save-excursion | |
1982 | (set-buffer summary-buffer) | |
1983 | (setq gnus-last-article gnus-current-article | |
1984 | gnus-newsgroup-history (cons gnus-current-article | |
1985 | gnus-newsgroup-history) | |
1986 | gnus-current-article article | |
1987 | gnus-current-headers | |
1988 | (gnus-summary-article-header gnus-current-article) | |
1989 | gnus-article-current | |
1990 | (cons gnus-newsgroup-name gnus-current-article)) | |
1991 | (unless (vectorp gnus-current-headers) | |
1992 | (setq gnus-current-headers nil)) | |
1993 | (gnus-summary-show-thread) | |
1994 | (run-hooks 'gnus-mark-article-hook) | |
1995 | (gnus-set-mode-line 'summary) | |
1996 | (when (gnus-visual-p 'article-highlight 'highlight) | |
1997 | (run-hooks 'gnus-visual-mark-article-hook)) | |
1998 | ;; Set the global newsgroup variables here. | |
1999 | ;; Suggested by Jim Sisolak | |
2000 | ;; <sisolak@trans4.neep.wisc.edu>. | |
2001 | (gnus-set-global-variables) | |
2002 | (setq gnus-have-all-headers | |
2003 | (or all-headers gnus-show-all-headers)) | |
2004 | (and gnus-use-cache | |
2005 | (vectorp (gnus-summary-article-header article)) | |
2006 | (gnus-cache-possibly-enter-article | |
2007 | group article | |
2008 | (gnus-summary-article-header article) | |
2009 | (memq article gnus-newsgroup-marked) | |
2010 | (memq article gnus-newsgroup-dormant) | |
2011 | (memq article gnus-newsgroup-unreads))))) | |
2012 | (when (or (numberp article) | |
2013 | (stringp article)) | |
2014 | ;; Hooks for getting information from the article. | |
2015 | ;; This hook must be called before being narrowed. | |
2016 | (let (buffer-read-only) | |
2017 | (run-hooks 'internal-hook) | |
2018 | (run-hooks 'gnus-article-prepare-hook) | |
2019 | ;; Decode MIME message. | |
6e262a88 KH |
2020 | (if gnus-show-mime |
2021 | (if (or (not gnus-strict-mime) | |
2022 | (gnus-fetch-field "Mime-Version")) | |
2023 | (funcall gnus-show-mime-method) | |
2024 | (funcall gnus-decode-encoded-word-method)) | |
2025 | (funcall gnus-show-traditional-method)) | |
eec82323 LMI |
2026 | ;; Perform the article display hooks. |
2027 | (run-hooks 'gnus-article-display-hook)) | |
2028 | ;; Do page break. | |
2029 | (goto-char (point-min)) | |
2030 | (setq gnus-page-broken | |
2031 | (when gnus-break-pages | |
2032 | (gnus-narrow-to-page) | |
2033 | t))) | |
2034 | (gnus-set-mode-line 'article) | |
2035 | (gnus-configure-windows 'article) | |
2036 | (goto-char (point-min)) | |
2037 | t)))))) | |
2038 | ||
2039 | (defun gnus-article-wash-status () | |
2040 | "Return a string which display status of article washing." | |
2041 | (save-excursion | |
2042 | (set-buffer gnus-article-buffer) | |
2043 | (let ((cite (gnus-article-hidden-text-p 'cite)) | |
2044 | (headers (gnus-article-hidden-text-p 'headers)) | |
2045 | (boring (gnus-article-hidden-text-p 'boring-headers)) | |
2046 | (pgp (gnus-article-hidden-text-p 'pgp)) | |
2047 | (pem (gnus-article-hidden-text-p 'pem)) | |
2048 | (signature (gnus-article-hidden-text-p 'signature)) | |
2049 | (overstrike (gnus-article-hidden-text-p 'overstrike)) | |
2050 | (emphasis (gnus-article-hidden-text-p 'emphasis)) | |
2051 | (mime gnus-show-mime)) | |
2052 | (format "%c%c%c%c%c%c%c" | |
2053 | (if cite ?c ? ) | |
2054 | (if (or headers boring) ?h ? ) | |
2055 | (if (or pgp pem) ?p ? ) | |
2056 | (if signature ?s ? ) | |
2057 | (if overstrike ?o ? ) | |
2058 | (if mime ?m ? ) | |
2059 | (if emphasis ?e ? ))))) | |
2060 | ||
2061 | (defun gnus-article-hide-headers-if-wanted () | |
2062 | "Hide unwanted headers if `gnus-have-all-headers' is nil. | |
2063 | Provided for backwards compatibility." | |
2064 | (or (save-excursion (set-buffer gnus-summary-buffer) gnus-have-all-headers) | |
2065 | gnus-inhibit-hiding | |
2066 | (gnus-article-hide-headers))) | |
2067 | ||
2068 | ;;; Article savers. | |
2069 | ||
2070 | (defun gnus-output-to-file (file-name) | |
2071 | "Append the current article to a file named FILE-NAME." | |
2072 | (let ((artbuf (current-buffer))) | |
2073 | (nnheader-temp-write nil | |
2074 | (insert-buffer-substring artbuf) | |
2075 | ;; Append newline at end of the buffer as separator, and then | |
2076 | ;; save it to file. | |
2077 | (goto-char (point-max)) | |
2078 | (insert "\n") | |
a8151ef7 LMI |
2079 | (append-to-file (point-min) (point-max) file-name) |
2080 | t))) | |
eec82323 LMI |
2081 | |
2082 | (defun gnus-narrow-to-page (&optional arg) | |
2083 | "Narrow the article buffer to a page. | |
2084 | If given a numerical ARG, move forward ARG pages." | |
2085 | (interactive "P") | |
2086 | (setq arg (if arg (prefix-numeric-value arg) 0)) | |
2087 | (save-excursion | |
2088 | (set-buffer gnus-article-buffer) | |
2089 | (goto-char (point-min)) | |
2090 | (widen) | |
2091 | ;; Remove any old next/prev buttons. | |
2092 | (when (gnus-visual-p 'page-marker) | |
2093 | (let ((buffer-read-only nil)) | |
2094 | (gnus-remove-text-with-property 'gnus-prev) | |
2095 | (gnus-remove-text-with-property 'gnus-next))) | |
2096 | (when | |
2097 | (cond ((< arg 0) | |
2098 | (re-search-backward page-delimiter nil 'move (1+ (abs arg)))) | |
2099 | ((> arg 0) | |
2100 | (re-search-forward page-delimiter nil 'move arg))) | |
2101 | (goto-char (match-end 0))) | |
2102 | (narrow-to-region | |
2103 | (point) | |
2104 | (if (re-search-forward page-delimiter nil 'move) | |
2105 | (match-beginning 0) | |
2106 | (point))) | |
2107 | (when (and (gnus-visual-p 'page-marker) | |
2108 | (not (= (point-min) 1))) | |
2109 | (save-excursion | |
2110 | (goto-char (point-min)) | |
2111 | (gnus-insert-prev-page-button))) | |
2112 | (when (and (gnus-visual-p 'page-marker) | |
2113 | (< (+ (point-max) 2) (buffer-size))) | |
2114 | (save-excursion | |
2115 | (goto-char (point-max)) | |
2116 | (gnus-insert-next-page-button))))) | |
2117 | ||
2118 | ;; Article mode commands | |
2119 | ||
2120 | (defun gnus-article-goto-next-page () | |
2121 | "Show the next page of the article." | |
2122 | (interactive) | |
2123 | (when (gnus-article-next-page) | |
2124 | (goto-char (point-min)) | |
2125 | (gnus-article-read-summary-keys nil (gnus-character-to-event ?n)))) | |
2126 | ||
2127 | (defun gnus-article-goto-prev-page () | |
2128 | "Show the next page of the article." | |
2129 | (interactive) | |
2130 | (if (bobp) (gnus-article-read-summary-keys nil (gnus-character-to-event ?p)) | |
2131 | (gnus-article-prev-page nil))) | |
2132 | ||
2133 | (defun gnus-article-next-page (&optional lines) | |
2134 | "Show the next page of the current article. | |
2135 | If end of article, return non-nil. Otherwise return nil. | |
2136 | Argument LINES specifies lines to be scrolled up." | |
2137 | (interactive "p") | |
2138 | (move-to-window-line -1) | |
2139 | (if (save-excursion | |
2140 | (end-of-line) | |
2141 | (and (pos-visible-in-window-p) ;Not continuation line. | |
2142 | (eobp))) | |
2143 | ;; Nothing in this page. | |
2144 | (if (or (not gnus-page-broken) | |
2145 | (save-excursion | |
2146 | (save-restriction | |
2147 | (widen) (forward-line 1) (eobp)))) ;Real end-of-buffer? | |
2148 | t ;Nothing more. | |
2149 | (gnus-narrow-to-page 1) ;Go to next page. | |
2150 | nil) | |
2151 | ;; More in this page. | |
2152 | (let ((scroll-in-place nil)) | |
2153 | (condition-case () | |
2154 | (scroll-up lines) | |
2155 | (end-of-buffer | |
2156 | ;; Long lines may cause an end-of-buffer error. | |
2157 | (goto-char (point-max))))) | |
2158 | (move-to-window-line 0) | |
2159 | nil)) | |
2160 | ||
2161 | (defun gnus-article-prev-page (&optional lines) | |
2162 | "Show previous page of current article. | |
2163 | Argument LINES specifies lines to be scrolled down." | |
2164 | (interactive "p") | |
2165 | (move-to-window-line 0) | |
2166 | (if (and gnus-page-broken | |
2167 | (bobp) | |
2168 | (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer? | |
2169 | (progn | |
2170 | (gnus-narrow-to-page -1) ;Go to previous page. | |
2171 | (goto-char (point-max)) | |
2172 | (recenter -1)) | |
2173 | (let ((scroll-in-place nil)) | |
2174 | (prog1 | |
2175 | (condition-case () | |
2176 | (scroll-down lines) | |
2177 | (beginning-of-buffer | |
2178 | (goto-char (point-min)))) | |
2179 | (move-to-window-line 0))))) | |
2180 | ||
2181 | (defun gnus-article-refer-article () | |
2182 | "Read article specified by message-id around point." | |
2183 | (interactive) | |
2184 | (let ((point (point))) | |
2185 | (search-forward ">" nil t) ;Move point to end of "<....>". | |
2186 | (if (re-search-backward "\\(<[^<> \t\n]+>\\)" nil t) | |
2187 | (let ((message-id (match-string 1))) | |
2188 | (goto-char point) | |
2189 | (set-buffer gnus-summary-buffer) | |
2190 | (gnus-summary-refer-article message-id)) | |
2191 | (goto-char (point)) | |
2192 | (error "No references around point")))) | |
2193 | ||
2194 | (defun gnus-article-show-summary () | |
2195 | "Reconfigure windows to show summary buffer." | |
2196 | (interactive) | |
2197 | (if (not (gnus-buffer-live-p gnus-summary-buffer)) | |
2198 | (error "There is no summary buffer for this article buffer") | |
a8151ef7 | 2199 | (gnus-article-set-globals) |
eec82323 LMI |
2200 | (gnus-configure-windows 'article) |
2201 | (gnus-summary-goto-subject gnus-current-article))) | |
2202 | ||
2203 | (defun gnus-article-describe-briefly () | |
2204 | "Describe article mode commands briefly." | |
2205 | (interactive) | |
2206 | (gnus-message 6 | |
2207 | (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"))) | |
2208 | ||
2209 | (defun gnus-article-summary-command () | |
2210 | "Execute the last keystroke in the summary buffer." | |
2211 | (interactive) | |
2212 | (let ((obuf (current-buffer)) | |
2213 | (owin (current-window-configuration)) | |
2214 | func) | |
2215 | (switch-to-buffer gnus-summary-buffer 'norecord) | |
2216 | (setq func (lookup-key (current-local-map) (this-command-keys))) | |
2217 | (call-interactively func) | |
2218 | (set-buffer obuf) | |
2219 | (set-window-configuration owin) | |
2220 | (set-window-point (get-buffer-window (current-buffer)) (point)))) | |
2221 | ||
2222 | (defun gnus-article-summary-command-nosave () | |
2223 | "Execute the last keystroke in the summary buffer." | |
2224 | (interactive) | |
2225 | (let (func) | |
2226 | (pop-to-buffer gnus-summary-buffer 'norecord) | |
2227 | (setq func (lookup-key (current-local-map) (this-command-keys))) | |
2228 | (call-interactively func))) | |
2229 | ||
2230 | (defun gnus-article-read-summary-keys (&optional arg key not-restore-window) | |
2231 | "Read a summary buffer key sequence and execute it from the article buffer." | |
2232 | (interactive "P") | |
2233 | (let ((nosaves | |
2234 | '("q" "Q" "c" "r" "R" "\C-c\C-f" "m" "a" "f" "F" | |
2235 | "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP" | |
2236 | "=" "^" "\M-^" "|")) | |
2237 | (nosave-but-article | |
2238 | '("A\r")) | |
2239 | (nosave-in-article | |
2240 | '("\C-d")) | |
2241 | keys) | |
2242 | (save-excursion | |
2243 | (set-buffer gnus-summary-buffer) | |
2244 | (let (gnus-pick-mode) | |
2245 | (push (or key last-command-event) unread-command-events) | |
2246 | (setq keys (read-key-sequence nil)))) | |
2247 | (message "") | |
2248 | ||
2249 | (if (or (member keys nosaves) | |
2250 | (member keys nosave-but-article) | |
2251 | (member keys nosave-in-article)) | |
2252 | (let (func) | |
2253 | (save-window-excursion | |
2254 | (pop-to-buffer gnus-summary-buffer 'norecord) | |
2255 | ;; We disable the pick minor mode commands. | |
2256 | (let (gnus-pick-mode) | |
2257 | (setq func (lookup-key (current-local-map) keys)))) | |
2258 | (if (not func) | |
2259 | (ding) | |
2260 | (unless (member keys nosave-in-article) | |
2261 | (set-buffer gnus-summary-buffer)) | |
2262 | (call-interactively func)) | |
2263 | (when (member keys nosave-but-article) | |
2264 | (pop-to-buffer gnus-article-buffer 'norecord))) | |
2265 | ;; These commands should restore window configuration. | |
2266 | (let ((obuf (current-buffer)) | |
2267 | (owin (current-window-configuration)) | |
2268 | (opoint (point)) | |
2269 | func in-buffer) | |
2270 | (if not-restore-window | |
2271 | (pop-to-buffer gnus-summary-buffer 'norecord) | |
2272 | (switch-to-buffer gnus-summary-buffer 'norecord)) | |
2273 | (setq in-buffer (current-buffer)) | |
2274 | ;; We disable the pick minor mode commands. | |
2275 | (if (setq func (let (gnus-pick-mode) | |
2276 | (lookup-key (current-local-map) keys))) | |
2277 | (call-interactively func) | |
2278 | (ding)) | |
2279 | (when (eq in-buffer (current-buffer)) | |
2280 | (set-buffer obuf) | |
2281 | (unless not-restore-window | |
2282 | (set-window-configuration owin)) | |
2283 | (set-window-point (get-buffer-window (current-buffer)) opoint)))))) | |
2284 | ||
2285 | (defun gnus-article-hide (&optional arg force) | |
2286 | "Hide all the gruft in the current article. | |
2287 | This means that PGP stuff, signatures, cited text and (some) | |
2288 | headers will be hidden. | |
2289 | If given a prefix, show the hidden text instead." | |
2290 | (interactive (list current-prefix-arg 'force)) | |
2291 | (gnus-article-hide-headers arg) | |
2292 | (gnus-article-hide-pgp arg) | |
2293 | (gnus-article-hide-citation-maybe arg force) | |
2294 | (gnus-article-hide-signature arg)) | |
2295 | ||
2296 | (defun gnus-article-maybe-highlight () | |
2297 | "Do some article highlighting if `article-visual' is non-nil." | |
2298 | (when (gnus-visual-p 'article-highlight 'highlight) | |
2299 | (gnus-article-highlight-some))) | |
2300 | ||
2301 | (defun gnus-request-article-this-buffer (article group) | |
2302 | "Get an article and insert it into this buffer." | |
2303 | (let (do-update-line) | |
2304 | (prog1 | |
2305 | (save-excursion | |
2306 | (erase-buffer) | |
2307 | (gnus-kill-all-overlays) | |
2308 | (setq group (or group gnus-newsgroup-name)) | |
2309 | ||
2310 | ;; Open server if it has closed. | |
2311 | (gnus-check-server (gnus-find-method-for-group group)) | |
2312 | ||
2313 | ;; Using `gnus-request-article' directly will insert the article into | |
2314 | ;; `nntp-server-buffer' - so we'll save some time by not having to | |
2315 | ;; copy it from the server buffer into the article buffer. | |
2316 | ||
2317 | ;; We only request an article by message-id when we do not have the | |
2318 | ;; headers for it, so we'll have to get those. | |
2319 | (when (stringp article) | |
2320 | (let ((gnus-override-method gnus-refer-article-method)) | |
2321 | (gnus-read-header article))) | |
2322 | ||
2323 | ;; If the article number is negative, that means that this article | |
2324 | ;; doesn't belong in this newsgroup (possibly), so we find its | |
2325 | ;; message-id and request it by id instead of number. | |
2326 | (when (and (numberp article) | |
2327 | gnus-summary-buffer | |
2328 | (get-buffer gnus-summary-buffer) | |
2329 | (buffer-name (get-buffer gnus-summary-buffer))) | |
2330 | (save-excursion | |
2331 | (set-buffer gnus-summary-buffer) | |
2332 | (let ((header (gnus-summary-article-header article))) | |
2333 | (when (< article 0) | |
2334 | (cond | |
2335 | ((memq article gnus-newsgroup-sparse) | |
2336 | ;; This is a sparse gap article. | |
2337 | (setq do-update-line article) | |
2338 | (setq article (mail-header-id header)) | |
2339 | (let ((gnus-override-method gnus-refer-article-method)) | |
2340 | (gnus-read-header article)) | |
2341 | (setq gnus-newsgroup-sparse | |
2342 | (delq article gnus-newsgroup-sparse))) | |
2343 | ((vectorp header) | |
2344 | ;; It's a real article. | |
2345 | (setq article (mail-header-id header))) | |
2346 | (t | |
2347 | ;; It is an extracted pseudo-article. | |
2348 | (setq article 'pseudo) | |
2349 | (gnus-request-pseudo-article header)))) | |
2350 | ||
2351 | (let ((method (gnus-find-method-for-group | |
2352 | gnus-newsgroup-name))) | |
2353 | (if (not (eq (car method) 'nneething)) | |
2354 | () | |
2355 | (let ((dir (concat (file-name-as-directory (nth 1 method)) | |
2356 | (mail-header-subject header)))) | |
2357 | (when (file-directory-p dir) | |
2358 | (setq article 'nneething) | |
2359 | (gnus-group-enter-directory dir)))))))) | |
2360 | ||
2361 | (cond | |
2362 | ;; Refuse to select canceled articles. | |
2363 | ((and (numberp article) | |
2364 | gnus-summary-buffer | |
2365 | (get-buffer gnus-summary-buffer) | |
2366 | (buffer-name (get-buffer gnus-summary-buffer)) | |
2367 | (eq (cdr (save-excursion | |
2368 | (set-buffer gnus-summary-buffer) | |
2369 | (assq article gnus-newsgroup-reads))) | |
2370 | gnus-canceled-mark)) | |
2371 | nil) | |
2372 | ;; We first check `gnus-original-article-buffer'. | |
2373 | ((and (get-buffer gnus-original-article-buffer) | |
2374 | (numberp article) | |
2375 | (save-excursion | |
2376 | (set-buffer gnus-original-article-buffer) | |
2377 | (and (equal (car gnus-original-article) group) | |
2378 | (eq (cdr gnus-original-article) article)))) | |
2379 | (insert-buffer-substring gnus-original-article-buffer) | |
2380 | 'article) | |
2381 | ;; Check the backlog. | |
2382 | ((and gnus-keep-backlog | |
2383 | (gnus-backlog-request-article group article (current-buffer))) | |
2384 | 'article) | |
2385 | ;; Check asynchronous pre-fetch. | |
2386 | ((gnus-async-request-fetched-article group article (current-buffer)) | |
2387 | (gnus-async-prefetch-next group article gnus-summary-buffer) | |
2388 | 'article) | |
2389 | ;; Check the cache. | |
2390 | ((and gnus-use-cache | |
2391 | (numberp article) | |
2392 | (gnus-cache-request-article article group)) | |
2393 | 'article) | |
2394 | ;; Get the article and put into the article buffer. | |
2395 | ((or (stringp article) (numberp article)) | |
2396 | (let ((gnus-override-method | |
2397 | (and (stringp article) gnus-refer-article-method)) | |
2398 | (buffer-read-only nil)) | |
2399 | (erase-buffer) | |
2400 | (gnus-kill-all-overlays) | |
2401 | (when (gnus-request-article article group (current-buffer)) | |
2402 | (when (numberp article) | |
2403 | (gnus-async-prefetch-next group article gnus-summary-buffer) | |
2404 | (when gnus-keep-backlog | |
2405 | (gnus-backlog-enter-article | |
2406 | group article (current-buffer)))) | |
2407 | 'article))) | |
2408 | ;; It was a pseudo. | |
2409 | (t article))) | |
2410 | ||
2411 | ;; Take the article from the original article buffer | |
2412 | ;; and place it in the buffer it's supposed to be in. | |
2413 | (when (and (get-buffer gnus-article-buffer) | |
2414 | ;;(numberp article) | |
2415 | (equal (buffer-name (current-buffer)) | |
2416 | (buffer-name (get-buffer gnus-article-buffer)))) | |
2417 | (save-excursion | |
2418 | (if (get-buffer gnus-original-article-buffer) | |
2419 | (set-buffer (get-buffer gnus-original-article-buffer)) | |
2420 | (set-buffer (get-buffer-create gnus-original-article-buffer)) | |
2421 | (buffer-disable-undo (current-buffer)) | |
2422 | (setq major-mode 'gnus-original-article-mode) | |
2423 | (setq buffer-read-only t) | |
2424 | (gnus-add-current-to-buffer-list)) | |
2425 | (let (buffer-read-only) | |
2426 | (erase-buffer) | |
2427 | (insert-buffer-substring gnus-article-buffer)) | |
2428 | (setq gnus-original-article (cons group article)))) | |
2429 | ||
2430 | ;; Update sparse articles. | |
2431 | (when (and do-update-line | |
2432 | (or (numberp article) | |
2433 | (stringp article))) | |
2434 | (let ((buf (current-buffer))) | |
2435 | (set-buffer gnus-summary-buffer) | |
2436 | (gnus-summary-update-article do-update-line) | |
2437 | (gnus-summary-goto-subject do-update-line nil t) | |
2438 | (set-window-point (get-buffer-window (current-buffer) t) | |
2439 | (point)) | |
2440 | (set-buffer buf)))))) | |
2441 | ||
2442 | ;;; | |
2443 | ;;; Article editing | |
2444 | ;;; | |
2445 | ||
2446 | (defcustom gnus-article-edit-mode-hook nil | |
2447 | "Hook run in article edit mode buffers." | |
2448 | :group 'gnus-article-various | |
2449 | :type 'hook) | |
2450 | ||
2451 | (defvar gnus-article-edit-done-function nil) | |
2452 | ||
2453 | (defvar gnus-article-edit-mode-map nil) | |
2454 | ||
2455 | (unless gnus-article-edit-mode-map | |
2456 | (setq gnus-article-edit-mode-map (copy-keymap text-mode-map)) | |
2457 | ||
2458 | (gnus-define-keys gnus-article-edit-mode-map | |
2459 | "\C-c\C-c" gnus-article-edit-done | |
2460 | "\C-c\C-k" gnus-article-edit-exit) | |
2461 | ||
2462 | (gnus-define-keys (gnus-article-edit-wash-map | |
2463 | "\C-c\C-w" gnus-article-edit-mode-map) | |
2464 | "f" gnus-article-edit-full-stops)) | |
2465 | ||
2466 | (defun gnus-article-edit-mode () | |
2467 | "Major mode for editing articles. | |
2468 | This is an extended text-mode. | |
2469 | ||
2470 | \\{gnus-article-edit-mode-map}" | |
2471 | (interactive) | |
2472 | (kill-all-local-variables) | |
2473 | (setq major-mode 'gnus-article-edit-mode) | |
2474 | (setq mode-name "Article Edit") | |
2475 | (use-local-map gnus-article-edit-mode-map) | |
2476 | (make-local-variable 'gnus-article-edit-done-function) | |
2477 | (make-local-variable 'gnus-prev-winconf) | |
2478 | (setq buffer-read-only nil) | |
2479 | (buffer-enable-undo) | |
2480 | (widen) | |
2481 | (run-hooks 'text-mode 'gnus-article-edit-mode-hook)) | |
2482 | ||
2483 | (defun gnus-article-edit (&optional force) | |
2484 | "Edit the current article. | |
2485 | This will have permanent effect only in mail groups. | |
2486 | If FORCE is non-nil, allow editing of articles even in read-only | |
2487 | groups." | |
2488 | (interactive "P") | |
2489 | (when (and (not force) | |
2490 | (gnus-group-read-only-p)) | |
a8151ef7 | 2491 | (error "The current newsgroup does not support article editing")) |
eec82323 LMI |
2492 | (gnus-article-edit-article |
2493 | `(lambda () | |
2494 | (gnus-summary-edit-article-done | |
2495 | ,(or (mail-header-references gnus-current-headers) "") | |
2496 | ,(gnus-group-read-only-p) ,gnus-summary-buffer)))) | |
2497 | ||
2498 | (defun gnus-article-edit-article (exit-func) | |
2499 | "Start editing the contents of the current article buffer." | |
2500 | (let ((winconf (current-window-configuration))) | |
2501 | (set-buffer gnus-article-buffer) | |
2502 | (gnus-article-edit-mode) | |
a8151ef7 | 2503 | (gnus-set-text-properties (point-min) (point-max) nil) |
eec82323 LMI |
2504 | (gnus-configure-windows 'edit-article) |
2505 | (setq gnus-article-edit-done-function exit-func) | |
2506 | (setq gnus-prev-winconf winconf) | |
2507 | (gnus-message 6 "C-c C-c to end edits"))) | |
2508 | ||
2509 | (defun gnus-article-edit-done () | |
2510 | "Update the article edits and exit." | |
2511 | (interactive) | |
2512 | (let ((func gnus-article-edit-done-function) | |
2513 | (buf (current-buffer)) | |
2514 | (start (window-start))) | |
2515 | (gnus-article-edit-exit) | |
2516 | (save-excursion | |
2517 | (set-buffer buf) | |
2518 | (let ((buffer-read-only nil)) | |
2519 | (funcall func))) | |
2520 | (set-buffer buf) | |
2521 | (set-window-start (get-buffer-window buf) start) | |
2522 | (set-window-point (get-buffer-window buf) (point)))) | |
2523 | ||
2524 | (defun gnus-article-edit-exit () | |
2525 | "Exit the article editing without updating." | |
2526 | (interactive) | |
2527 | ;; We remove all text props from the article buffer. | |
2528 | (let ((buf (format "%s" (buffer-string))) | |
2529 | (curbuf (current-buffer)) | |
2530 | (p (point)) | |
2531 | (window-start (window-start))) | |
2532 | (erase-buffer) | |
2533 | (insert buf) | |
2534 | (let ((winconf gnus-prev-winconf)) | |
2535 | (gnus-article-mode) | |
2536 | ;; The cache and backlog have to be flushed somewhat. | |
2537 | (when gnus-use-cache | |
2538 | (gnus-cache-update-article | |
2539 | (car gnus-article-current) (cdr gnus-article-current))) | |
2540 | (when gnus-keep-backlog | |
2541 | (gnus-backlog-remove-article | |
2542 | (car gnus-article-current) (cdr gnus-article-current))) | |
2543 | ;; Flush original article as well. | |
2544 | (save-excursion | |
2545 | (when (get-buffer gnus-original-article-buffer) | |
2546 | (set-buffer gnus-original-article-buffer) | |
2547 | (setq gnus-original-article nil))) | |
2548 | (set-window-configuration winconf) | |
2549 | ;; Tippy-toe some to make sure that point remains where it was. | |
2550 | (let ((buf (current-buffer))) | |
2551 | (set-buffer curbuf) | |
2552 | (set-window-start (get-buffer-window (current-buffer)) window-start) | |
2553 | (goto-char p) | |
2554 | (set-buffer buf))))) | |
2555 | ||
2556 | (defun gnus-article-edit-full-stops () | |
2557 | "Interactively repair spacing at end of sentences." | |
2558 | (interactive) | |
2559 | (save-excursion | |
2560 | (goto-char (point-min)) | |
2561 | (search-forward-regexp "^$" nil t) | |
2562 | (let ((case-fold-search nil)) | |
2563 | (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2")))) | |
2564 | ||
2565 | ;;; | |
2566 | ;;; Article highlights | |
2567 | ;;; | |
2568 | ||
2569 | ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>. | |
2570 | ||
2571 | ;;; Internal Variables: | |
2572 | ||
2573 | (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\\)" | |
2574 | "Regular expression that matches URLs." | |
2575 | :group 'gnus-article-buttons | |
2576 | :type 'regexp) | |
2577 | ||
2578 | (defcustom gnus-button-alist | |
2579 | `(("<\\(url: ?\\)?news:\\([^>\n\t ]*@[^>\n\t ]*\\)>" 0 t | |
2580 | gnus-button-message-id 2) | |
a8151ef7 | 2581 | ("\\bnews:\\([^>\n\t ]*@[^>\n\t ]*\\)" 0 t gnus-button-message-id 1) |
eec82323 LMI |
2582 | ("\\(\\b<\\(url: ?\\)?news:\\(//\\)?\\([^>\n\t ]*\\)>\\)" 1 t |
2583 | gnus-button-fetch-group 4) | |
2584 | ("\\bnews:\\(//\\)?\\([^>\n\t ]+\\)" 0 t gnus-button-fetch-group 2) | |
2585 | ("\\bin\\( +article\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)" 2 | |
2586 | t gnus-button-message-id 3) | |
a8151ef7 LMI |
2587 | ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>" 0 t gnus-url-mailto 2) |
2588 | ("\\bmailto:\\([^ \n\t]+\\)" 0 t gnus-url-mailto 1) | |
eec82323 LMI |
2589 | ;; This is how URLs _should_ be embedded in text... |
2590 | ("<URL: *\\([^>]*\\)>" 0 t gnus-button-embedded-url 1) | |
2591 | ;; Raw URLs. | |
2592 | (,gnus-button-url-regexp 0 t gnus-button-url 0)) | |
2593 | "Alist of regexps matching buttons in article bodies. | |
2594 | ||
2595 | Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where | |
2596 | REGEXP: is the string matching text around the button, | |
2597 | BUTTON: is the number of the regexp grouping actually matching the button, | |
2598 | FORM: is a lisp expression which must eval to true for the button to | |
2599 | be added, | |
2600 | CALLBACK: is the function to call when the user push this button, and each | |
2601 | PAR: is a number of a regexp grouping whose text will be passed to CALLBACK. | |
2602 | ||
2603 | CALLBACK can also be a variable, in that case the value of that | |
2604 | variable it the real callback function." | |
2605 | :group 'gnus-article-buttons | |
2606 | :type '(repeat (list regexp | |
2607 | (integer :tag "Button") | |
2608 | (sexp :tag "Form") | |
2609 | (function :tag "Callback") | |
2610 | (repeat :tag "Par" | |
2611 | :inline t | |
2612 | (integer :tag "Regexp group"))))) | |
2613 | ||
2614 | (defcustom gnus-header-button-alist | |
2615 | `(("^\\(References\\|Message-I[Dd]\\):" "<[^>]+>" | |
2616 | 0 t gnus-button-message-id 0) | |
2617 | ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$" 1 t gnus-button-reply 1) | |
2618 | ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+" | |
2619 | 0 t gnus-button-mailto 0) | |
2620 | ("^X-[Uu][Rr][Ll]:" ,gnus-button-url-regexp 0 t gnus-button-url 0) | |
a8151ef7 | 2621 | ("^Subject:" ,gnus-button-url-regexp 0 t gnus-button-url 0) |
eec82323 LMI |
2622 | ("^[^:]+:" ,gnus-button-url-regexp 0 t gnus-button-url 0) |
2623 | ("^[^:]+:" "\\(<\\(url: \\)?news:\\([^>\n ]*\\)>\\)" 1 t | |
2624 | gnus-button-message-id 3)) | |
2625 | "Alist of headers and regexps to match buttons in article heads. | |
2626 | ||
2627 | This alist is very similar to `gnus-button-alist', except that each | |
2628 | alist has an additional HEADER element first in each entry: | |
2629 | ||
2630 | \(HEADER REGEXP BUTTON FORM CALLBACK PAR) | |
2631 | ||
2632 | HEADER is a regexp to match a header. For a fuller explanation, see | |
2633 | `gnus-button-alist'." | |
2634 | :group 'gnus-article-buttons | |
2635 | :group 'gnus-article-headers | |
2636 | :type '(repeat (list (regexp :tag "Header") | |
2637 | regexp | |
2638 | (integer :tag "Button") | |
2639 | (sexp :tag "Form") | |
2640 | (function :tag "Callback") | |
2641 | (repeat :tag "Par" | |
2642 | :inline t | |
2643 | (integer :tag "Regexp group"))))) | |
2644 | ||
2645 | (defvar gnus-button-regexp nil) | |
2646 | (defvar gnus-button-marker-list nil) | |
2647 | ;; Regexp matching any of the regexps from `gnus-button-alist'. | |
2648 | ||
2649 | (defvar gnus-button-last nil) | |
2650 | ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build. | |
2651 | ||
2652 | ;;; Commands: | |
2653 | ||
2654 | (defun gnus-article-push-button (event) | |
2655 | "Check text under the mouse pointer for a callback function. | |
2656 | If the text under the mouse pointer has a `gnus-callback' property, | |
2657 | call it with the value of the `gnus-data' text property." | |
2658 | (interactive "e") | |
2659 | (set-buffer (window-buffer (posn-window (event-start event)))) | |
2660 | (let* ((pos (posn-point (event-start event))) | |
2661 | (data (get-text-property pos 'gnus-data)) | |
2662 | (fun (get-text-property pos 'gnus-callback))) | |
2663 | (when fun | |
2664 | (funcall fun data)))) | |
2665 | ||
2666 | (defun gnus-article-press-button () | |
2667 | "Check text at point for a callback function. | |
2668 | If the text at point has a `gnus-callback' property, | |
2669 | call it with the value of the `gnus-data' text property." | |
2670 | (interactive) | |
2671 | (let* ((data (get-text-property (point) 'gnus-data)) | |
2672 | (fun (get-text-property (point) 'gnus-callback))) | |
2673 | (when fun | |
2674 | (funcall fun data)))) | |
2675 | ||
2676 | (defun gnus-article-prev-button (n) | |
2677 | "Move point to N buttons backward. | |
2678 | If N is negative, move forward instead." | |
2679 | (interactive "p") | |
2680 | (gnus-article-next-button (- n))) | |
2681 | ||
2682 | (defun gnus-article-next-button (n) | |
2683 | "Move point to N buttons forward. | |
2684 | If N is negative, move backward instead." | |
2685 | (interactive "p") | |
2686 | (let ((function (if (< n 0) 'previous-single-property-change | |
2687 | 'next-single-property-change)) | |
2688 | (inhibit-point-motion-hooks t) | |
2689 | (backward (< n 0)) | |
2690 | (limit (if (< n 0) (point-min) (point-max)))) | |
2691 | (setq n (abs n)) | |
2692 | (while (and (not (= limit (point))) | |
2693 | (> n 0)) | |
2694 | ;; Skip past the current button. | |
2695 | (when (get-text-property (point) 'gnus-callback) | |
2696 | (goto-char (funcall function (point) 'gnus-callback nil limit))) | |
2697 | ;; Go to the next (or previous) button. | |
2698 | (gnus-goto-char (funcall function (point) 'gnus-callback nil limit)) | |
2699 | ;; Put point at the start of the button. | |
2700 | (when (and backward (not (get-text-property (point) 'gnus-callback))) | |
2701 | (goto-char (funcall function (point) 'gnus-callback nil limit))) | |
2702 | ;; Skip past intangible buttons. | |
2703 | (when (get-text-property (point) 'intangible) | |
2704 | (incf n)) | |
2705 | (decf n)) | |
2706 | (unless (zerop n) | |
2707 | (gnus-message 5 "No more buttons")) | |
2708 | n)) | |
2709 | ||
2710 | (defun gnus-article-highlight (&optional force) | |
2711 | "Highlight current article. | |
2712 | This function calls `gnus-article-highlight-headers', | |
2713 | `gnus-article-highlight-citation', | |
2714 | `gnus-article-highlight-signature', and `gnus-article-add-buttons' to | |
2715 | do the highlighting. See the documentation for those functions." | |
2716 | (interactive (list 'force)) | |
2717 | (gnus-article-highlight-headers) | |
2718 | (gnus-article-highlight-citation force) | |
2719 | (gnus-article-highlight-signature) | |
2720 | (gnus-article-add-buttons force) | |
2721 | (gnus-article-add-buttons-to-head)) | |
2722 | ||
2723 | (defun gnus-article-highlight-some (&optional force) | |
2724 | "Highlight current article. | |
2725 | This function calls `gnus-article-highlight-headers', | |
2726 | `gnus-article-highlight-signature', and `gnus-article-add-buttons' to | |
2727 | do the highlighting. See the documentation for those functions." | |
2728 | (interactive (list 'force)) | |
2729 | (gnus-article-highlight-headers) | |
2730 | (gnus-article-highlight-signature) | |
2731 | (gnus-article-add-buttons)) | |
2732 | ||
2733 | (defun gnus-article-highlight-headers () | |
2734 | "Highlight article headers as specified by `gnus-header-face-alist'." | |
2735 | (interactive) | |
2736 | (save-excursion | |
2737 | (set-buffer gnus-article-buffer) | |
2738 | (save-restriction | |
2739 | (let ((alist gnus-header-face-alist) | |
2740 | (buffer-read-only nil) | |
2741 | (case-fold-search t) | |
2742 | (inhibit-point-motion-hooks t) | |
2743 | entry regexp header-face field-face from hpoints fpoints) | |
2744 | (message-narrow-to-head) | |
2745 | (while (setq entry (pop alist)) | |
2746 | (goto-char (point-min)) | |
2747 | (setq regexp (concat "^\\(" | |
2748 | (if (string-equal "" (nth 0 entry)) | |
2749 | "[^\t ]" | |
2750 | (nth 0 entry)) | |
2751 | "\\)") | |
2752 | header-face (nth 1 entry) | |
2753 | field-face (nth 2 entry)) | |
2754 | (while (and (re-search-forward regexp nil t) | |
2755 | (not (eobp))) | |
2756 | (beginning-of-line) | |
2757 | (setq from (point)) | |
2758 | (unless (search-forward ":" nil t) | |
2759 | (forward-char 1)) | |
2760 | (when (and header-face | |
2761 | (not (memq (point) hpoints))) | |
2762 | (push (point) hpoints) | |
2763 | (gnus-put-text-property from (point) 'face header-face)) | |
2764 | (when (and field-face | |
2765 | (not (memq (setq from (point)) fpoints))) | |
2766 | (push from fpoints) | |
2767 | (if (re-search-forward "^[^ \t]" nil t) | |
2768 | (forward-char -2) | |
2769 | (goto-char (point-max))) | |
2770 | (gnus-put-text-property from (point) 'face field-face)))))))) | |
2771 | ||
2772 | (defun gnus-article-highlight-signature () | |
2773 | "Highlight the signature in an article. | |
2774 | It does this by highlighting everything after | |
2775 | `gnus-signature-separator' using `gnus-signature-face'." | |
2776 | (interactive) | |
2777 | (save-excursion | |
2778 | (set-buffer gnus-article-buffer) | |
2779 | (let ((buffer-read-only nil) | |
2780 | (inhibit-point-motion-hooks t)) | |
2781 | (save-restriction | |
2782 | (when (and gnus-signature-face | |
2783 | (gnus-article-narrow-to-signature)) | |
2784 | (gnus-overlay-put (gnus-make-overlay (point-min) (point-max)) | |
2785 | 'face gnus-signature-face) | |
2786 | (widen) | |
2787 | (gnus-article-search-signature) | |
2788 | (let ((start (match-beginning 0)) | |
2789 | (end (set-marker (make-marker) (1+ (match-end 0))))) | |
2790 | (gnus-article-add-button start (1- end) 'gnus-signature-toggle | |
2791 | end))))))) | |
2792 | ||
2793 | (defun gnus-button-in-region-p (b e prop) | |
2794 | "Say whether PROP exists in the region." | |
2795 | (text-property-not-all b e prop nil)) | |
2796 | ||
2797 | (defun gnus-article-add-buttons (&optional force) | |
2798 | "Find external references in the article and make buttons of them. | |
2799 | \"External references\" are things like Message-IDs and URLs, as | |
2800 | specified by `gnus-button-alist'." | |
2801 | (interactive (list 'force)) | |
2802 | (save-excursion | |
2803 | (set-buffer gnus-article-buffer) | |
2804 | (let ((buffer-read-only nil) | |
2805 | (inhibit-point-motion-hooks t) | |
2806 | (case-fold-search t) | |
2807 | (alist gnus-button-alist) | |
2808 | beg entry regexp) | |
2809 | ;; Remove all old markers. | |
2810 | (let (marker entry) | |
2811 | (while (setq marker (pop gnus-button-marker-list)) | |
2812 | (goto-char marker) | |
2813 | (when (setq entry (gnus-button-entry)) | |
2814 | (put-text-property (match-beginning (nth 1 entry)) | |
2815 | (match-end (nth 1 entry)) | |
2816 | 'gnus-callback nil)) | |
2817 | (set-marker marker nil))) | |
2818 | ;; We skip the headers. | |
2819 | (goto-char (point-min)) | |
2820 | (unless (search-forward "\n\n" nil t) | |
2821 | (goto-char (point-max))) | |
2822 | (setq beg (point)) | |
2823 | (while (setq entry (pop alist)) | |
2824 | (setq regexp (car entry)) | |
2825 | (goto-char beg) | |
2826 | (while (re-search-forward regexp nil t) | |
2827 | (let* ((start (and entry (match-beginning (nth 1 entry)))) | |
2828 | (end (and entry (match-end (nth 1 entry)))) | |
2829 | (from (match-beginning 0))) | |
2830 | (when (and (or (eq t (nth 2 entry)) | |
2831 | (eval (nth 2 entry))) | |
2832 | (not (gnus-button-in-region-p | |
2833 | start end 'gnus-callback))) | |
2834 | ;; That optional form returned non-nil, so we add the | |
2835 | ;; button. | |
2836 | (gnus-article-add-button | |
2837 | start end 'gnus-button-push | |
2838 | (car (push (set-marker (make-marker) from) | |
2839 | gnus-button-marker-list)))))))))) | |
2840 | ||
2841 | ;; Add buttons to the head of an article. | |
2842 | (defun gnus-article-add-buttons-to-head () | |
2843 | "Add buttons to the head of the article." | |
2844 | (interactive) | |
2845 | (save-excursion | |
2846 | (set-buffer gnus-article-buffer) | |
2847 | (let ((buffer-read-only nil) | |
2848 | (inhibit-point-motion-hooks t) | |
2849 | (case-fold-search t) | |
2850 | (alist gnus-header-button-alist) | |
2851 | entry beg end) | |
2852 | (nnheader-narrow-to-headers) | |
2853 | (while alist | |
2854 | ;; Each alist entry. | |
2855 | (setq entry (car alist) | |
2856 | alist (cdr alist)) | |
2857 | (goto-char (point-min)) | |
2858 | (while (re-search-forward (car entry) nil t) | |
2859 | ;; Each header matching the entry. | |
2860 | (setq beg (match-beginning 0)) | |
2861 | (setq end (or (and (re-search-forward "^[^ \t]" nil t) | |
2862 | (match-beginning 0)) | |
2863 | (point-max))) | |
2864 | (goto-char beg) | |
2865 | (while (re-search-forward (nth 1 entry) end t) | |
2866 | ;; Each match within a header. | |
2867 | (let* ((entry (cdr entry)) | |
2868 | (start (match-beginning (nth 1 entry))) | |
2869 | (end (match-end (nth 1 entry))) | |
2870 | (form (nth 2 entry))) | |
2871 | (goto-char (match-end 0)) | |
2872 | (when (eval form) | |
2873 | (gnus-article-add-button | |
2874 | start end (nth 3 entry) | |
2875 | (buffer-substring (match-beginning (nth 4 entry)) | |
2876 | (match-end (nth 4 entry))))))) | |
2877 | (goto-char end)))) | |
2878 | (widen))) | |
2879 | ||
2880 | ;;; External functions: | |
2881 | ||
2882 | (defun gnus-article-add-button (from to fun &optional data) | |
2883 | "Create a button between FROM and TO with callback FUN and data DATA." | |
2884 | (when gnus-article-button-face | |
2885 | (gnus-overlay-put (gnus-make-overlay from to) | |
2886 | 'face gnus-article-button-face)) | |
2887 | (gnus-add-text-properties | |
2888 | from to | |
2889 | (nconc (and gnus-article-mouse-face | |
2890 | (list gnus-mouse-face-prop gnus-article-mouse-face)) | |
2891 | (list 'gnus-callback fun) | |
2892 | (and data (list 'gnus-data data))))) | |
2893 | ||
2894 | ;;; Internal functions: | |
2895 | ||
a8151ef7 LMI |
2896 | (defun gnus-article-set-globals () |
2897 | (save-excursion | |
2898 | (set-buffer gnus-summary-buffer) | |
2899 | (gnus-set-global-variables))) | |
2900 | ||
eec82323 LMI |
2901 | (defun gnus-signature-toggle (end) |
2902 | (save-excursion | |
2903 | (set-buffer gnus-article-buffer) | |
2904 | (let ((buffer-read-only nil) | |
2905 | (inhibit-point-motion-hooks t)) | |
2906 | (if (get-text-property end 'invisible) | |
2907 | (gnus-article-unhide-text end (point-max)) | |
2908 | (gnus-article-hide-text end (point-max) gnus-hidden-properties))))) | |
2909 | ||
2910 | (defun gnus-button-entry () | |
2911 | ;; Return the first entry in `gnus-button-alist' matching this place. | |
2912 | (let ((alist gnus-button-alist) | |
2913 | (entry nil)) | |
2914 | (while alist | |
2915 | (setq entry (pop alist)) | |
2916 | (if (looking-at (car entry)) | |
2917 | (setq alist nil) | |
2918 | (setq entry nil))) | |
2919 | entry)) | |
2920 | ||
2921 | (defun gnus-button-push (marker) | |
2922 | ;; Push button starting at MARKER. | |
2923 | (save-excursion | |
2924 | (set-buffer gnus-article-buffer) | |
2925 | (goto-char marker) | |
2926 | (let* ((entry (gnus-button-entry)) | |
2927 | (inhibit-point-motion-hooks t) | |
2928 | (fun (nth 3 entry)) | |
2929 | (args (mapcar (lambda (group) | |
2930 | (let ((string (match-string group))) | |
2931 | (gnus-set-text-properties | |
2932 | 0 (length string) nil string) | |
2933 | string)) | |
2934 | (nthcdr 4 entry)))) | |
2935 | (cond | |
2936 | ((fboundp fun) | |
2937 | (apply fun args)) | |
2938 | ((and (boundp fun) | |
2939 | (fboundp (symbol-value fun))) | |
2940 | (apply (symbol-value fun) args)) | |
2941 | (t | |
2942 | (gnus-message 1 "You must define `%S' to use this button" | |
2943 | (cons fun args))))))) | |
2944 | ||
2945 | (defun gnus-button-message-id (message-id) | |
2946 | "Fetch MESSAGE-ID." | |
2947 | (save-excursion | |
2948 | (set-buffer gnus-summary-buffer) | |
2949 | (gnus-summary-refer-article message-id))) | |
2950 | ||
2951 | (defun gnus-button-fetch-group (address) | |
2952 | "Fetch GROUP specified by ADDRESS." | |
2953 | (if (not (string-match "[:/]" address)) | |
2954 | ;; This is just a simple group url. | |
2955 | (gnus-group-read-ephemeral-group address gnus-select-method) | |
2956 | (if (not (string-match "^\\([^:/]+\\)\\(:\\([^/]+\\)/\\)?\\(.*\\)$" | |
2957 | address)) | |
2958 | (error "Can't parse %s" address) | |
2959 | (gnus-group-read-ephemeral-group | |
2960 | (match-string 4 address) | |
2961 | `(nntp ,(match-string 1 address) | |
2962 | (nntp-address ,(match-string 1 address)) | |
2963 | (nntp-port-number ,(if (match-end 3) | |
2964 | (match-string 3 address) | |
2965 | "nntp"))))))) | |
2966 | ||
2967 | (defun gnus-split-string (string pattern) | |
2968 | "Return a list of substrings of STRING which are separated by PATTERN." | |
2969 | (let (parts (start 0)) | |
2970 | (while (string-match pattern string start) | |
2971 | (setq parts (cons (substring string start (match-beginning 0)) parts) | |
2972 | start (match-end 0))) | |
2973 | (nreverse (cons (substring string start) parts)))) | |
2974 | ||
2975 | (defun gnus-url-parse-query-string (query &optional downcase) | |
2976 | (let (retval pairs cur key val) | |
2977 | (setq pairs (gnus-split-string query "&")) | |
2978 | (while pairs | |
2979 | (setq cur (car pairs) | |
2980 | pairs (cdr pairs)) | |
2981 | (if (not (string-match "=" cur)) | |
2982 | nil ; Grace | |
2983 | (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0))) | |
2984 | val (gnus-url-unhex-string (substring cur (match-end 0) nil))) | |
2985 | (if downcase | |
2986 | (setq key (downcase key))) | |
2987 | (setq cur (assoc key retval)) | |
2988 | (if cur | |
2989 | (setcdr cur (cons val (cdr cur))) | |
2990 | (setq retval (cons (list key val) retval))))) | |
2991 | retval)) | |
2992 | ||
2993 | (defun gnus-url-unhex (x) | |
2994 | (if (> x ?9) | |
2995 | (if (>= x ?a) | |
2996 | (+ 10 (- x ?a)) | |
2997 | (+ 10 (- x ?A))) | |
2998 | (- x ?0))) | |
2999 | ||
3000 | (defun gnus-url-unhex-string (str &optional allow-newlines) | |
3001 | "Remove %XXX embedded spaces, etc in a url. | |
3002 | If optional second argument ALLOW-NEWLINES is non-nil, then allow the | |
3003 | decoding of carriage returns and line feeds in the string, which is normally | |
3004 | forbidden in URL encoding." | |
3005 | (setq str (or str "")) | |
3006 | (let ((tmp "") | |
3007 | (case-fold-search t)) | |
3008 | (while (string-match "%[0-9a-f][0-9a-f]" str) | |
3009 | (let* ((start (match-beginning 0)) | |
3010 | (ch1 (gnus-url-unhex (elt str (+ start 1)))) | |
3011 | (code (+ (* 16 ch1) | |
3012 | (gnus-url-unhex (elt str (+ start 2)))))) | |
3013 | (setq tmp (concat | |
3014 | tmp (substring str 0 start) | |
3015 | (cond | |
3016 | (allow-newlines | |
3017 | (char-to-string code)) | |
3018 | ((or (= code ?\n) (= code ?\r)) | |
3019 | " ") | |
3020 | (t (char-to-string code)))) | |
3021 | str (substring str (match-end 0))))) | |
3022 | (setq tmp (concat tmp str)) | |
3023 | tmp)) | |
3024 | ||
3025 | (defun gnus-url-mailto (url) | |
3026 | ;; Send mail to someone | |
3027 | (when (string-match "mailto:/*\\(.*\\)" url) | |
3028 | (setq url (substring url (match-beginning 1) nil))) | |
3029 | (let (to args source-url subject func) | |
3030 | (if (string-match (regexp-quote "?") url) | |
3031 | (setq to (gnus-url-unhex-string (substring url 0 (match-beginning 0))) | |
3032 | args (gnus-url-parse-query-string | |
3033 | (substring url (match-end 0) nil) t)) | |
3034 | (setq to (gnus-url-unhex-string url))) | |
3035 | (setq args (cons (list "to" to) args) | |
3036 | subject (cdr-safe (assoc "subject" args))) | |
3037 | (message-mail) | |
3038 | (while args | |
3039 | (setq func (intern-soft (concat "message-goto-" (downcase (caar args))))) | |
3040 | (if (fboundp func) | |
3041 | (funcall func) | |
3042 | (message-position-on-field (caar args))) | |
3043 | (insert (mapconcat 'identity (cdar args) ", ")) | |
3044 | (setq args (cdr args))) | |
3045 | (if subject | |
3046 | (message-goto-body) | |
3047 | (message-goto-subject)))) | |
3048 | ||
3049 | (defun gnus-button-mailto (address) | |
3050 | ;; Mail to ADDRESS. | |
3051 | (set-buffer (gnus-copy-article-buffer)) | |
3052 | (message-reply address)) | |
3053 | ||
3054 | (defun gnus-button-reply (address) | |
3055 | ;; Reply to ADDRESS. | |
3056 | (message-reply address)) | |
3057 | ||
3058 | (defun gnus-button-url (address) | |
3059 | "Browse ADDRESS." | |
1b978bfc | 3060 | (browse-url address)) |
eec82323 LMI |
3061 | |
3062 | (defun gnus-button-embedded-url (address) | |
3063 | "Browse ADDRESS." | |
1b978bfc | 3064 | (browse-url (gnus-strip-whitespace address))) |
eec82323 LMI |
3065 | |
3066 | ;;; Next/prev buttons in the article buffer. | |
3067 | ||
3068 | (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n") | |
3069 | (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n") | |
3070 | ||
3071 | (defvar gnus-prev-page-map nil) | |
3072 | (unless gnus-prev-page-map | |
3073 | (setq gnus-prev-page-map (make-sparse-keymap)) | |
3074 | (define-key gnus-prev-page-map gnus-mouse-2 'gnus-button-prev-page) | |
3075 | (define-key gnus-prev-page-map "\r" 'gnus-button-prev-page)) | |
3076 | ||
3077 | (defun gnus-insert-prev-page-button () | |
3078 | (let ((buffer-read-only nil)) | |
3079 | (gnus-eval-format | |
3080 | gnus-prev-page-line-format nil | |
3081 | `(gnus-prev t local-map ,gnus-prev-page-map | |
3082 | gnus-callback gnus-article-button-prev-page)))) | |
3083 | ||
3084 | (defvar gnus-next-page-map nil) | |
3085 | (unless gnus-next-page-map | |
3086 | (setq gnus-next-page-map (make-keymap)) | |
3087 | (suppress-keymap gnus-prev-page-map) | |
3088 | (define-key gnus-next-page-map gnus-mouse-2 'gnus-button-next-page) | |
3089 | (define-key gnus-next-page-map "\r" 'gnus-button-next-page)) | |
3090 | ||
3091 | (defun gnus-button-next-page () | |
3092 | "Go to the next page." | |
3093 | (interactive) | |
3094 | (let ((win (selected-window))) | |
3095 | (select-window (get-buffer-window gnus-article-buffer t)) | |
3096 | (gnus-article-next-page) | |
3097 | (select-window win))) | |
3098 | ||
3099 | (defun gnus-button-prev-page () | |
3100 | "Go to the prev page." | |
3101 | (interactive) | |
3102 | (let ((win (selected-window))) | |
3103 | (select-window (get-buffer-window gnus-article-buffer t)) | |
3104 | (gnus-article-prev-page) | |
3105 | (select-window win))) | |
3106 | ||
3107 | (defun gnus-insert-next-page-button () | |
3108 | (let ((buffer-read-only nil)) | |
3109 | (gnus-eval-format gnus-next-page-line-format nil | |
3110 | `(gnus-next t local-map ,gnus-next-page-map | |
3111 | gnus-callback | |
3112 | gnus-article-button-next-page)))) | |
3113 | ||
3114 | (defun gnus-article-button-next-page (arg) | |
3115 | "Go to the next page." | |
3116 | (interactive "P") | |
3117 | (let ((win (selected-window))) | |
3118 | (select-window (get-buffer-window gnus-article-buffer t)) | |
3119 | (gnus-article-next-page) | |
3120 | (select-window win))) | |
3121 | ||
3122 | (defun gnus-article-button-prev-page (arg) | |
3123 | "Go to the prev page." | |
3124 | (interactive "P") | |
3125 | (let ((win (selected-window))) | |
3126 | (select-window (get-buffer-window gnus-article-buffer t)) | |
3127 | (gnus-article-prev-page) | |
3128 | (select-window win))) | |
3129 | ||
3130 | (gnus-ems-redefine) | |
3131 | ||
3132 | (provide 'gnus-art) | |
3133 | ||
3134 | (run-hooks 'gnus-art-load-hook) | |
3135 | ||
3136 | ;;; gnus-art.el ends here |