(Finsert_file_contents): Use xfree instead of free.
[emacs.git] / lisp / gnus / gnus-sum.el
blob45658018139f4ea136428f36c2517e2d9c373923
1 ;;; gnus-sum.el --- summary mode commands for Gnus
2 ;; Copyright (C) 1996,97,98 Free Software Foundation, Inc.
4 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
5 ;; Keywords: news
7 ;; This file is part of GNU Emacs.
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.
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.
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.
24 ;;; Commentary:
26 ;;; Code:
28 (eval-when-compile (require 'cl))
30 (eval-when-compile (require 'cl))
32 (require 'gnus)
33 (require 'gnus-group)
34 (require 'gnus-spec)
35 (require 'gnus-range)
36 (require 'gnus-int)
37 (require 'gnus-undo)
38 (require 'gnus-util)
39 (autoload 'gnus-summary-limit-include-cached "gnus-cache" nil t)
41 (defcustom gnus-kill-summary-on-exit t
42 "*If non-nil, kill the summary buffer when you exit from it.
43 If nil, the summary will become a \"*Dead Summary*\" buffer, and
44 it will be killed sometime later."
45 :group 'gnus-summary-exit
46 :type 'boolean)
48 (defcustom gnus-fetch-old-headers nil
49 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
50 If an unread article in the group refers to an older, already read (or
51 just marked as read) article, the old article will not normally be
52 displayed in the Summary buffer. If this variable is non-nil, Gnus
53 will attempt to grab the headers to the old articles, and thereby
54 build complete threads. If it has the value `some', only enough
55 headers to connect otherwise loose threads will be displayed. This
56 variable can also be a number. In that case, no more than that number
57 of old headers will be fetched. If it has the value `invisible', all
58 old headers will be fetched, but none will be displayed.
60 The server has to support NOV for any of this to work."
61 :group 'gnus-thread
62 :type '(choice (const :tag "off" nil)
63 (const some)
64 number
65 (sexp :menu-tag "other" t)))
67 (defcustom gnus-refer-thread-limit 200
68 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
69 If t, fetch all the available old headers."
70 :group 'gnus-thread
71 :type '(choice number
72 (sexp :menu-tag "other" t)))
74 (defcustom gnus-summary-make-false-root 'adopt
75 "*nil means that Gnus won't gather loose threads.
76 If the root of a thread has expired or been read in a previous
77 session, the information necessary to build a complete thread has been
78 lost. Instead of having many small sub-threads from this original thread
79 scattered all over the summary buffer, Gnus can gather them.
81 If non-nil, Gnus will try to gather all loose sub-threads from an
82 original thread into one large thread.
84 If this variable is non-nil, it should be one of `none', `adopt',
85 `dummy' or `empty'.
87 If this variable is `none', Gnus will not make a false root, but just
88 present the sub-threads after another.
89 If this variable is `dummy', Gnus will create a dummy root that will
90 have all the sub-threads as children.
91 If this variable is `adopt', Gnus will make one of the \"children\"
92 the parent and mark all the step-children as such.
93 If this variable is `empty', the \"children\" are printed with empty
94 subject fields. (Or rather, they will be printed with a string
95 given by the `gnus-summary-same-subject' variable.)"
96 :group 'gnus-thread
97 :type '(choice (const :tag "off" nil)
98 (const none)
99 (const dummy)
100 (const adopt)
101 (const empty)))
103 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
104 "*A regexp to match subjects to be excluded from loose thread gathering.
105 As loose thread gathering is done on subjects only, that means that
106 there can be many false gatherings performed. By rooting out certain
107 common subjects, gathering might become saner."
108 :group 'gnus-thread
109 :type 'regexp)
111 (defcustom gnus-summary-gather-subject-limit nil
112 "*Maximum length of subject comparisons when gathering loose threads.
113 Use nil to compare full subjects. Setting this variable to a low
114 number will help gather threads that have been corrupted by
115 newsreaders chopping off subject lines, but it might also mean that
116 unrelated articles that have subject that happen to begin with the
117 same few characters will be incorrectly gathered.
119 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
120 comparing subjects."
121 :group 'gnus-thread
122 :type '(choice (const :tag "off" nil)
123 (const fuzzy)
124 (sexp :menu-tag "on" t)))
126 (defcustom gnus-simplify-subject-functions nil
127 "List of functions taking a string argument that simplify subjects.
128 The functions are applied recursively.
130 Useful functions to put in this list include: `gnus-simplify-subject-re',
131 `gnus-simplify-subject-fuzzy' and `gnus-simplify-whitespace'."
132 :group 'gnus-thread
133 :type '(repeat function))
135 (defcustom gnus-simplify-ignored-prefixes nil
136 "*Regexp, matches for which are removed from subject lines when simplifying fuzzily."
137 :group 'gnus-thread
138 :type '(choice (const :tag "off" nil)
139 regexp))
141 (defcustom gnus-build-sparse-threads nil
142 "*If non-nil, fill in the gaps in threads.
143 If `some', only fill in the gaps that are needed to tie loose threads
144 together. If `more', fill in all leaf nodes that Gnus can find. If
145 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
146 :group 'gnus-thread
147 :type '(choice (const :tag "off" nil)
148 (const some)
149 (const more)
150 (sexp :menu-tag "all" t)))
152 (defcustom gnus-summary-thread-gathering-function
153 'gnus-gather-threads-by-subject
154 "*Function used for gathering loose threads.
155 There are two pre-defined functions: `gnus-gather-threads-by-subject',
156 which only takes Subjects into consideration; and
157 `gnus-gather-threads-by-references', which compared the References
158 headers of the articles to find matches."
159 :group 'gnus-thread
160 :type '(radio (function-item gnus-gather-threads-by-subject)
161 (function-item gnus-gather-threads-by-references)
162 (function :tag "other")))
164 (defcustom gnus-summary-same-subject ""
165 "*String indicating that the current article has the same subject as the previous.
166 This variable will only be used if the value of
167 `gnus-summary-make-false-root' is `empty'."
168 :group 'gnus-summary-format
169 :type 'string)
171 (defcustom gnus-summary-goto-unread t
172 "*If t, marking commands will go to the next unread article.
173 If `never', commands that usually go to the next unread article, will
174 go to the next article, whether it is read or not.
175 If nil, only the marking commands will go to the next (un)read article."
176 :group 'gnus-summary-marks
177 :link '(custom-manual "(gnus)Setting Marks")
178 :type '(choice (const :tag "off" nil)
179 (const never)
180 (sexp :menu-tag "on" t)))
182 (defcustom gnus-summary-default-score 0
183 "*Default article score level.
184 All scores generated by the score files will be added to this score.
185 If this variable is nil, scoring will be disabled."
186 :group 'gnus-score-default
187 :type '(choice (const :tag "disable")
188 integer))
190 (defcustom gnus-summary-zcore-fuzz 0
191 "*Fuzziness factor for the zcore in the summary buffer.
192 Articles with scores closer than this to `gnus-summary-default-score'
193 will not be marked."
194 :group 'gnus-summary-format
195 :type 'integer)
197 (defcustom gnus-simplify-subject-fuzzy-regexp nil
198 "*Strings to be removed when doing fuzzy matches.
199 This can either be a regular expression or list of regular expressions
200 that will be removed from subject strings if fuzzy subject
201 simplification is selected."
202 :group 'gnus-thread
203 :type '(repeat regexp))
205 (defcustom gnus-show-threads t
206 "*If non-nil, display threads in summary mode."
207 :group 'gnus-thread
208 :type 'boolean)
210 (defcustom gnus-thread-hide-subtree nil
211 "*If non-nil, hide all threads initially.
212 If threads are hidden, you have to run the command
213 `gnus-summary-show-thread' by hand or use `gnus-select-article-hook'
214 to expose hidden threads."
215 :group 'gnus-thread
216 :type 'boolean)
218 (defcustom gnus-thread-hide-killed t
219 "*If non-nil, hide killed threads automatically."
220 :group 'gnus-thread
221 :type 'boolean)
223 (defcustom gnus-thread-ignore-subject t
224 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
225 If nil, articles that have different subjects from their parents will
226 start separate threads."
227 :group 'gnus-thread
228 :type 'boolean)
230 (defcustom gnus-thread-operation-ignore-subject t
231 "*If non-nil, subjects will be ignored when doing thread commands.
232 This affects commands like `gnus-summary-kill-thread' and
233 `gnus-summary-lower-thread'.
235 If this variable is nil, articles in the same thread with different
236 subjects will not be included in the operation in question. If this
237 variable is `fuzzy', only articles that have subjects that are fuzzily
238 equal will be included."
239 :group 'gnus-thread
240 :type '(choice (const :tag "off" nil)
241 (const fuzzy)
242 (sexp :tag "on" t)))
244 (defcustom gnus-thread-indent-level 4
245 "*Number that says how much each sub-thread should be indented."
246 :group 'gnus-thread
247 :type 'integer)
249 (defcustom gnus-auto-extend-newsgroup t
250 "*If non-nil, extend newsgroup forward and backward when requested."
251 :group 'gnus-summary-choose
252 :type 'boolean)
254 (defcustom gnus-auto-select-first t
255 "*If nil, don't select the first unread article when entering a group.
256 If this variable is `best', select the highest-scored unread article
257 in the group. If neither nil nor `best', select the first unread
258 article.
260 If you want to prevent automatic selection of the first unread article
261 in some newsgroups, set the variable to nil in
262 `gnus-select-group-hook'."
263 :group 'gnus-group-select
264 :type '(choice (const :tag "none" nil)
265 (const best)
266 (sexp :menu-tag "first" t)))
268 (defcustom gnus-auto-select-next t
269 "*If non-nil, offer to go to the next group from the end of the previous.
270 If the value is t and the next newsgroup is empty, Gnus will exit
271 summary mode and go back to group mode. If the value is neither nil
272 nor t, Gnus will select the following unread newsgroup. In
273 particular, if the value is the symbol `quietly', the next unread
274 newsgroup will be selected without any confirmation, and if it is
275 `almost-quietly', the next group will be selected without any
276 confirmation if you are located on the last article in the group.
277 Finally, if this variable is `slightly-quietly', the `Z n' command
278 will go to the next group without confirmation."
279 :group 'gnus-summary-maneuvering
280 :type '(choice (const :tag "off" nil)
281 (const quietly)
282 (const almost-quietly)
283 (const slightly-quietly)
284 (sexp :menu-tag "on" t)))
286 (defcustom gnus-auto-select-same nil
287 "*If non-nil, select the next article with the same subject.
288 If there are no more articles with the same subject, go to
289 the first unread article."
290 :group 'gnus-summary-maneuvering
291 :type 'boolean)
293 (defcustom gnus-summary-check-current nil
294 "*If non-nil, consider the current article when moving.
295 The \"unread\" movement commands will stay on the same line if the
296 current article is unread."
297 :group 'gnus-summary-maneuvering
298 :type 'boolean)
300 (defcustom gnus-auto-center-summary t
301 "*If non-nil, always center the current summary buffer.
302 In particular, if `vertical' do only vertical recentering. If non-nil
303 and non-`vertical', do both horizontal and vertical recentering."
304 :group 'gnus-summary-maneuvering
305 :type '(choice (const :tag "none" nil)
306 (const vertical)
307 (sexp :menu-tag "both" t)))
309 (defcustom gnus-show-all-headers nil
310 "*If non-nil, don't hide any headers."
311 :group 'gnus-article-hiding
312 :group 'gnus-article-headers
313 :type 'boolean)
315 (defcustom gnus-summary-ignore-duplicates nil
316 "*If non-nil, ignore articles with identical Message-ID headers."
317 :group 'gnus-summary
318 :type 'boolean)
320 (defcustom gnus-single-article-buffer t
321 "*If non-nil, display all articles in the same buffer.
322 If nil, each group will get its own article buffer."
323 :group 'gnus-article-various
324 :type 'boolean)
326 (defcustom gnus-break-pages t
327 "*If non-nil, do page breaking on articles.
328 The page delimiter is specified by the `gnus-page-delimiter'
329 variable."
330 :group 'gnus-article-various
331 :type 'boolean)
333 (defcustom gnus-show-mime nil
334 "*If non-nil, do mime processing of articles.
335 The articles will simply be fed to the function given by
336 `gnus-show-mime-method'."
337 :group 'gnus-article-mime
338 :type 'boolean)
340 (defcustom gnus-move-split-methods nil
341 "*Variable used to suggest where articles are to be moved to.
342 It uses the same syntax as the `gnus-split-methods' variable."
343 :group 'gnus-summary-mail
344 :type '(repeat (choice (list :value (fun) function)
345 (cons :value ("" "") regexp (repeat string))
346 (sexp :value nil))))
348 (defcustom gnus-unread-mark ? ;space
349 "*Mark used for unread articles."
350 :group 'gnus-summary-marks
351 :type 'character)
353 (defcustom gnus-ticked-mark ?!
354 "*Mark used for ticked articles."
355 :group 'gnus-summary-marks
356 :type 'character)
358 (defcustom gnus-dormant-mark ??
359 "*Mark used for dormant articles."
360 :group 'gnus-summary-marks
361 :type 'character)
363 (defcustom gnus-del-mark ?r
364 "*Mark used for del'd articles."
365 :group 'gnus-summary-marks
366 :type 'character)
368 (defcustom gnus-read-mark ?R
369 "*Mark used for read articles."
370 :group 'gnus-summary-marks
371 :type 'character)
373 (defcustom gnus-expirable-mark ?E
374 "*Mark used for expirable articles."
375 :group 'gnus-summary-marks
376 :type 'character)
378 (defcustom gnus-killed-mark ?K
379 "*Mark used for killed articles."
380 :group 'gnus-summary-marks
381 :type 'character)
383 (defcustom gnus-souped-mark ?F
384 "*Mark used for killed articles."
385 :group 'gnus-summary-marks
386 :type 'character)
388 (defcustom gnus-kill-file-mark ?X
389 "*Mark used for articles killed by kill files."
390 :group 'gnus-summary-marks
391 :type 'character)
393 (defcustom gnus-low-score-mark ?Y
394 "*Mark used for articles with a low score."
395 :group 'gnus-summary-marks
396 :type 'character)
398 (defcustom gnus-catchup-mark ?C
399 "*Mark used for articles that are caught up."
400 :group 'gnus-summary-marks
401 :type 'character)
403 (defcustom gnus-replied-mark ?A
404 "*Mark used for articles that have been replied to."
405 :group 'gnus-summary-marks
406 :type 'character)
408 (defcustom gnus-cached-mark ?*
409 "*Mark used for articles that are in the cache."
410 :group 'gnus-summary-marks
411 :type 'character)
413 (defcustom gnus-saved-mark ?S
414 "*Mark used for articles that have been saved to."
415 :group 'gnus-summary-marks
416 :type 'character)
418 (defcustom gnus-ancient-mark ?O
419 "*Mark used for ancient articles."
420 :group 'gnus-summary-marks
421 :type 'character)
423 (defcustom gnus-sparse-mark ?Q
424 "*Mark used for sparsely reffed articles."
425 :group 'gnus-summary-marks
426 :type 'character)
428 (defcustom gnus-canceled-mark ?G
429 "*Mark used for canceled articles."
430 :group 'gnus-summary-marks
431 :type 'character)
433 (defcustom gnus-duplicate-mark ?M
434 "*Mark used for duplicate articles."
435 :group 'gnus-summary-marks
436 :type 'character)
438 (defcustom gnus-undownloaded-mark ?@
439 "*Mark used for articles that weren't downloaded."
440 :group 'gnus-summary-marks
441 :type 'character)
443 (defcustom gnus-downloadable-mark ?%
444 "*Mark used for articles that are to be downloaded."
445 :group 'gnus-summary-marks
446 :type 'character)
448 (defcustom gnus-unsendable-mark ?=
449 "*Mark used for articles that won't be sent."
450 :group 'gnus-summary-marks
451 :type 'character)
453 (defcustom gnus-score-over-mark ?+
454 "*Score mark used for articles with high scores."
455 :group 'gnus-summary-marks
456 :type 'character)
458 (defcustom gnus-score-below-mark ?-
459 "*Score mark used for articles with low scores."
460 :group 'gnus-summary-marks
461 :type 'character)
463 (defcustom gnus-empty-thread-mark ? ;space
464 "*There is no thread under the article."
465 :group 'gnus-summary-marks
466 :type 'character)
468 (defcustom gnus-not-empty-thread-mark ?=
469 "*There is a thread under the article."
470 :group 'gnus-summary-marks
471 :type 'character)
473 (defcustom gnus-view-pseudo-asynchronously nil
474 "*If non-nil, Gnus will view pseudo-articles asynchronously."
475 :group 'gnus-extract-view
476 :type 'boolean)
478 (defcustom gnus-view-pseudos nil
479 "*If `automatic', pseudo-articles will be viewed automatically.
480 If `not-confirm', pseudos will be viewed automatically, and the user
481 will not be asked to confirm the command."
482 :group 'gnus-extract-view
483 :type '(choice (const :tag "off" nil)
484 (const automatic)
485 (const not-confirm)))
487 (defcustom gnus-view-pseudos-separately t
488 "*If non-nil, one pseudo-article will be created for each file to be viewed.
489 If nil, all files that use the same viewing command will be given as a
490 list of parameters to that command."
491 :group 'gnus-extract-view
492 :type 'boolean)
494 (defcustom gnus-insert-pseudo-articles t
495 "*If non-nil, insert pseudo-articles when decoding articles."
496 :group 'gnus-extract-view
497 :type 'boolean)
499 (defcustom gnus-summary-dummy-line-format
500 " %(: :%) %S\n"
501 "*The format specification for the dummy roots in the summary buffer.
502 It works along the same lines as a normal formatting string,
503 with some simple extensions.
505 %S The subject"
506 :group 'gnus-threading
507 :type 'string)
509 (defcustom gnus-summary-mode-line-format "Gnus: %%b [%A] %Z"
510 "*The format specification for the summary mode line.
511 It works along the same lines as a normal formatting string,
512 with some simple extensions:
514 %G Group name
515 %p Unprefixed group name
516 %A Current article number
517 %z Current article score
518 %V Gnus version
519 %U Number of unread articles in the group
520 %e Number of unselected articles in the group
521 %Z A string with unread/unselected article counts
522 %g Shortish group name
523 %S Subject of the current article
524 %u User-defined spec
525 %s Current score file name
526 %d Number of dormant articles
527 %r Number of articles that have been marked as read in this session
528 %E Number of articles expunged by the score files"
529 :group 'gnus-summary-format
530 :type 'string)
532 (defcustom gnus-summary-mark-below 0
533 "*Mark all articles with a score below this variable as read.
534 This variable is local to each summary buffer and usually set by the
535 score file."
536 :group 'gnus-score-default
537 :type 'integer)
539 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
540 "*List of functions used for sorting articles in the summary buffer.
541 This variable is only used when not using a threaded display."
542 :group 'gnus-summary-sort
543 :type '(repeat (choice (function-item gnus-article-sort-by-number)
544 (function-item gnus-article-sort-by-author)
545 (function-item gnus-article-sort-by-subject)
546 (function-item gnus-article-sort-by-date)
547 (function-item gnus-article-sort-by-score)
548 (function :tag "other"))))
550 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
551 "*List of functions used for sorting threads in the summary buffer.
552 By default, threads are sorted by article number.
554 Each function takes two threads and return non-nil if the first thread
555 should be sorted before the other. If you use more than one function,
556 the primary sort function should be the last. You should probably
557 always include `gnus-thread-sort-by-number' in the list of sorting
558 functions -- preferably first.
560 Ready-made functions include `gnus-thread-sort-by-number',
561 `gnus-thread-sort-by-author', `gnus-thread-sort-by-subject',
562 `gnus-thread-sort-by-date', `gnus-thread-sort-by-score' and
563 `gnus-thread-sort-by-total-score' (see `gnus-thread-score-function')."
564 :group 'gnus-summary-sort
565 :type '(repeat (choice (function-item gnus-thread-sort-by-number)
566 (function-item gnus-thread-sort-by-author)
567 (function-item gnus-thread-sort-by-subject)
568 (function-item gnus-thread-sort-by-date)
569 (function-item gnus-thread-sort-by-score)
570 (function-item gnus-thread-sort-by-total-score)
571 (function :tag "other"))))
573 (defcustom gnus-thread-score-function '+
574 "*Function used for calculating the total score of a thread.
576 The function is called with the scores of the article and each
577 subthread and should then return the score of the thread.
579 Some functions you can use are `+', `max', or `min'."
580 :group 'gnus-summary-sort
581 :type 'function)
583 (defcustom gnus-summary-expunge-below nil
584 "All articles that have a score less than this variable will be expunged.
585 This variable is local to the summary buffers."
586 :group 'gnus-score-default
587 :type '(choice (const :tag "off" nil)
588 integer))
590 (defcustom gnus-thread-expunge-below nil
591 "All threads that have a total score less than this variable will be expunged.
592 See `gnus-thread-score-function' for en explanation of what a
593 \"thread score\" is.
595 This variable is local to the summary buffers."
596 :group 'gnus-treading
597 :group 'gnus-score-default
598 :type '(choice (const :tag "off" nil)
599 integer))
601 (defcustom gnus-summary-mode-hook nil
602 "*A hook for Gnus summary mode.
603 This hook is run before any variables are set in the summary buffer."
604 :group 'gnus-summary-various
605 :type 'hook)
607 (defcustom gnus-summary-menu-hook nil
608 "*Hook run after the creation of the summary mode menu."
609 :group 'gnus-summary-visual
610 :type 'hook)
612 (defcustom gnus-summary-exit-hook nil
613 "*A hook called on exit from the summary buffer.
614 It will be called with point in the group buffer."
615 :group 'gnus-summary-exit
616 :type 'hook)
618 (defcustom gnus-summary-prepare-hook nil
619 "*A hook called after the summary buffer has been generated.
620 If you want to modify the summary buffer, you can use this hook."
621 :group 'gnus-summary-various
622 :type 'hook)
624 (defcustom gnus-summary-prepared-hook nil
625 "*A hook called as the last thing after the summary buffer has been generated."
626 :group 'gnus-summary-various
627 :type 'hook)
629 (defcustom gnus-summary-generate-hook nil
630 "*A hook run just before generating the summary buffer.
631 This hook is commonly used to customize threading variables and the
632 like."
633 :group 'gnus-summary-various
634 :type 'hook)
636 (defcustom gnus-select-group-hook nil
637 "*A hook called when a newsgroup is selected.
639 If you'd like to simplify subjects like the
640 `gnus-summary-next-same-subject' command does, you can use the
641 following hook:
643 (setq gnus-select-group-hook
644 (list
645 (lambda ()
646 (mapcar (lambda (header)
647 (mail-header-set-subject
648 header
649 (gnus-simplify-subject
650 (mail-header-subject header) 're-only)))
651 gnus-newsgroup-headers))))"
652 :group 'gnus-group-select
653 :type 'hook)
655 (defcustom gnus-select-article-hook nil
656 "*A hook called when an article is selected."
657 :group 'gnus-summary-choose
658 :type 'hook)
660 (defcustom gnus-visual-mark-article-hook
661 (list 'gnus-highlight-selected-summary)
662 "*Hook run after selecting an article in the summary buffer.
663 It is meant to be used for highlighting the article in some way. It
664 is not run if `gnus-visual' is nil."
665 :group 'gnus-summary-visual
666 :type 'hook)
668 (defcustom gnus-structured-field-decoder
669 (if (and (featurep 'mule)
670 (boundp 'enable-multibyte-characters))
671 (lambda (string)
672 (if (and enable-multibyte-characters gnus-mule-coding-system)
673 (decode-coding-string string gnus-mule-coding-system)
674 string))
675 'identity)
676 "Function to decode non-ASCII characters in structured field for summary."
677 :group 'gnus-various
678 :type 'function)
680 (defcustom gnus-unstructured-field-decoder
681 (if (and (featurep 'mule)
682 (boundp 'enable-multibyte-characters))
683 (lambda (string)
684 (if (and enable-multibyte-characters gnus-mule-coding-system)
685 (decode-coding-string string gnus-mule-coding-system)
686 string))
687 'identity)
688 "Function to decode non-ASCII characters in unstructured field for summary."
689 :group 'gnus-various
690 :type 'function)
692 (defcustom gnus-parse-headers-hook
693 (list 'gnus-hack-decode-rfc1522 'gnus-decode-rfc1522)
694 "*A hook called before parsing the headers."
695 :group 'gnus-various
696 :type 'hook)
698 (defcustom gnus-exit-group-hook nil
699 "*A hook called when exiting (not quitting) summary mode."
700 :group 'gnus-various
701 :type 'hook)
703 (defcustom gnus-summary-update-hook
704 (list 'gnus-summary-highlight-line)
705 "*A hook called when a summary line is changed.
706 The hook will not be called if `gnus-visual' is nil.
708 The default function `gnus-summary-highlight-line' will
709 highlight the line according to the `gnus-summary-highlight'
710 variable."
711 :group 'gnus-summary-visual
712 :type 'hook)
714 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
715 "*A hook called when an article is selected for the first time.
716 The hook is intended to mark an article as read (or unread)
717 automatically when it is selected."
718 :group 'gnus-summary-choose
719 :type 'hook)
721 (defcustom gnus-group-no-more-groups-hook nil
722 "*A hook run when returning to group mode having no more (unread) groups."
723 :group 'gnus-group-select
724 :type 'hook)
726 (defcustom gnus-ps-print-hook nil
727 "*A hook run before ps-printing something from Gnus."
728 :group 'gnus-summary
729 :type 'hook)
731 (defcustom gnus-summary-selected-face 'gnus-summary-selected-face
732 "Face used for highlighting the current article in the summary buffer."
733 :group 'gnus-summary-visual
734 :type 'face)
736 (defcustom gnus-summary-highlight
737 '(((= mark gnus-canceled-mark)
738 . gnus-summary-cancelled-face)
739 ((and (> score default)
740 (or (= mark gnus-dormant-mark)
741 (= mark gnus-ticked-mark)))
742 . gnus-summary-high-ticked-face)
743 ((and (< score default)
744 (or (= mark gnus-dormant-mark)
745 (= mark gnus-ticked-mark)))
746 . gnus-summary-low-ticked-face)
747 ((or (= mark gnus-dormant-mark)
748 (= mark gnus-ticked-mark))
749 . gnus-summary-normal-ticked-face)
750 ((and (> score default) (= mark gnus-ancient-mark))
751 . gnus-summary-high-ancient-face)
752 ((and (< score default) (= mark gnus-ancient-mark))
753 . gnus-summary-low-ancient-face)
754 ((= mark gnus-ancient-mark)
755 . gnus-summary-normal-ancient-face)
756 ((and (> score default) (= mark gnus-unread-mark))
757 . gnus-summary-high-unread-face)
758 ((and (< score default) (= mark gnus-unread-mark))
759 . gnus-summary-low-unread-face)
760 ((= mark gnus-unread-mark)
761 . gnus-summary-normal-unread-face)
762 ((and (> score default) (memq mark (list gnus-downloadable-mark
763 gnus-undownloaded-mark)))
764 . gnus-summary-high-unread-face)
765 ((and (< score default) (memq mark (list gnus-downloadable-mark
766 gnus-undownloaded-mark)))
767 . gnus-summary-low-unread-face)
768 ((memq mark (list gnus-downloadable-mark gnus-undownloaded-mark))
769 . gnus-summary-normal-unread-face)
770 ((> score default)
771 . gnus-summary-high-read-face)
772 ((< score default)
773 . gnus-summary-low-read-face)
775 . gnus-summary-normal-read-face))
776 "*Controls the highlighting of summary buffer lines.
778 A list of (FORM . FACE) pairs. When deciding how a a particular
779 summary line should be displayed, each form is evaluated. The content
780 of the face field after the first true form is used. You can change
781 how those summary lines are displayed, by editing the face field.
783 You can use the following variables in the FORM field.
785 score: The articles score
786 default: The default article score.
787 below: The score below which articles are automatically marked as read.
788 mark: The articles mark."
789 :group 'gnus-summary-visual
790 :type '(repeat (cons (sexp :tag "Form" nil)
791 face)))
793 (defcustom gnus-alter-header-function nil
794 "Function called to allow alteration of article header structures.
795 The function is called with one parameter, the article header vector,
796 which it may alter in any way.")
798 ;;; Internal variables
800 (defvar gnus-scores-exclude-files nil)
801 (defvar gnus-page-broken nil)
803 (defvar gnus-original-article nil)
804 (defvar gnus-article-internal-prepare-hook nil)
805 (defvar gnus-newsgroup-process-stack nil)
807 (defvar gnus-thread-indent-array nil)
808 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
810 ;; Avoid highlighting in kill files.
811 (defvar gnus-summary-inhibit-highlight nil)
812 (defvar gnus-newsgroup-selected-overlay nil)
813 (defvar gnus-inhibit-limiting nil)
814 (defvar gnus-newsgroup-adaptive-score-file nil)
815 (defvar gnus-current-score-file nil)
816 (defvar gnus-current-move-group nil)
817 (defvar gnus-current-copy-group nil)
818 (defvar gnus-current-crosspost-group nil)
820 (defvar gnus-newsgroup-dependencies nil)
821 (defvar gnus-newsgroup-adaptive nil)
822 (defvar gnus-summary-display-article-function nil)
823 (defvar gnus-summary-highlight-line-function nil
824 "Function called after highlighting a summary line.")
826 (defvar gnus-summary-line-format-alist
827 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
828 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
829 (?s gnus-tmp-subject-or-nil ?s)
830 (?n gnus-tmp-name ?s)
831 (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
833 (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
834 gnus-tmp-from) ?s)
835 (?F gnus-tmp-from ?s)
836 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
837 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
838 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
839 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
840 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
841 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
842 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
843 (?L gnus-tmp-lines ?d)
844 (?I gnus-tmp-indentation ?s)
845 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
846 (?R gnus-tmp-replied ?c)
847 (?\[ gnus-tmp-opening-bracket ?c)
848 (?\] gnus-tmp-closing-bracket ?c)
849 (?\> (make-string gnus-tmp-level ? ) ?s)
850 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
851 (?i gnus-tmp-score ?d)
852 (?z gnus-tmp-score-char ?c)
853 (?l (bbb-grouplens-score gnus-tmp-header) ?s)
854 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
855 (?U gnus-tmp-unread ?c)
856 (?t (gnus-summary-number-of-articles-in-thread
857 (and (boundp 'thread) (car thread)) gnus-tmp-level)
859 (?e (gnus-summary-number-of-articles-in-thread
860 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
862 (?u gnus-tmp-user-defined ?s)
863 (?P (gnus-pick-line-number) ?d))
864 "An alist of format specifications that can appear in summary lines,
865 and what variables they correspond with, along with the type of the
866 variable (string, integer, character, etc).")
868 (defvar gnus-summary-dummy-line-format-alist
869 `((?S gnus-tmp-subject ?s)
870 (?N gnus-tmp-number ?d)
871 (?u gnus-tmp-user-defined ?s)))
873 (defvar gnus-summary-mode-line-format-alist
874 `((?G gnus-tmp-group-name ?s)
875 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
876 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
877 (?A gnus-tmp-article-number ?d)
878 (?Z gnus-tmp-unread-and-unselected ?s)
879 (?V gnus-version ?s)
880 (?U gnus-tmp-unread-and-unticked ?d)
881 (?S gnus-tmp-subject ?s)
882 (?e gnus-tmp-unselected ?d)
883 (?u gnus-tmp-user-defined ?s)
884 (?d (length gnus-newsgroup-dormant) ?d)
885 (?t (length gnus-newsgroup-marked) ?d)
886 (?r (length gnus-newsgroup-reads) ?d)
887 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
888 (?E gnus-newsgroup-expunged-tally ?d)
889 (?s (gnus-current-score-file-nondirectory) ?s)))
891 (defvar gnus-last-search-regexp nil
892 "Default regexp for article search command.")
894 (defvar gnus-last-shell-command nil
895 "Default shell command on article.")
897 (defvar gnus-newsgroup-begin nil)
898 (defvar gnus-newsgroup-end nil)
899 (defvar gnus-newsgroup-last-rmail nil)
900 (defvar gnus-newsgroup-last-mail nil)
901 (defvar gnus-newsgroup-last-folder nil)
902 (defvar gnus-newsgroup-last-file nil)
903 (defvar gnus-newsgroup-auto-expire nil)
904 (defvar gnus-newsgroup-active nil)
906 (defvar gnus-newsgroup-data nil)
907 (defvar gnus-newsgroup-data-reverse nil)
908 (defvar gnus-newsgroup-limit nil)
909 (defvar gnus-newsgroup-limits nil)
911 (defvar gnus-newsgroup-unreads nil
912 "List of unread articles in the current newsgroup.")
914 (defvar gnus-newsgroup-unselected nil
915 "List of unselected unread articles in the current newsgroup.")
917 (defvar gnus-newsgroup-reads nil
918 "Alist of read articles and article marks in the current newsgroup.")
920 (defvar gnus-newsgroup-expunged-tally nil)
922 (defvar gnus-newsgroup-marked nil
923 "List of ticked articles in the current newsgroup (a subset of unread art).")
925 (defvar gnus-newsgroup-killed nil
926 "List of ranges of articles that have been through the scoring process.")
928 (defvar gnus-newsgroup-cached nil
929 "List of articles that come from the article cache.")
931 (defvar gnus-newsgroup-saved nil
932 "List of articles that have been saved.")
934 (defvar gnus-newsgroup-kill-headers nil)
936 (defvar gnus-newsgroup-replied nil
937 "List of articles that have been replied to in the current newsgroup.")
939 (defvar gnus-newsgroup-expirable nil
940 "List of articles in the current newsgroup that can be expired.")
942 (defvar gnus-newsgroup-processable nil
943 "List of articles in the current newsgroup that can be processed.")
945 (defvar gnus-newsgroup-downloadable nil
946 "List of articles in the current newsgroup that can be processed.")
948 (defvar gnus-newsgroup-undownloaded nil
949 "List of articles in the current newsgroup that haven't been downloaded..")
951 (defvar gnus-newsgroup-unsendable nil
952 "List of articles in the current newsgroup that won't be sent.")
954 (defvar gnus-newsgroup-bookmarks nil
955 "List of articles in the current newsgroup that have bookmarks.")
957 (defvar gnus-newsgroup-dormant nil
958 "List of dormant articles in the current newsgroup.")
960 (defvar gnus-newsgroup-scored nil
961 "List of scored articles in the current newsgroup.")
963 (defvar gnus-newsgroup-headers nil
964 "List of article headers in the current newsgroup.")
966 (defvar gnus-newsgroup-threads nil)
968 (defvar gnus-newsgroup-prepared nil
969 "Whether the current group has been prepared properly.")
971 (defvar gnus-newsgroup-ancient nil
972 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
974 (defvar gnus-newsgroup-sparse nil)
976 (defvar gnus-current-article nil)
977 (defvar gnus-article-current nil)
978 (defvar gnus-current-headers nil)
979 (defvar gnus-have-all-headers nil)
980 (defvar gnus-last-article nil)
981 (defvar gnus-newsgroup-history nil)
983 (defconst gnus-summary-local-variables
984 '(gnus-newsgroup-name
985 gnus-newsgroup-begin gnus-newsgroup-end
986 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
987 gnus-newsgroup-last-folder gnus-newsgroup-last-file
988 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
989 gnus-newsgroup-unselected gnus-newsgroup-marked
990 gnus-newsgroup-reads gnus-newsgroup-saved
991 gnus-newsgroup-replied gnus-newsgroup-expirable
992 gnus-newsgroup-processable gnus-newsgroup-killed
993 gnus-newsgroup-downloadable gnus-newsgroup-undownloaded
994 gnus-newsgroup-unsendable
995 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
996 gnus-newsgroup-headers gnus-newsgroup-threads
997 gnus-newsgroup-prepared gnus-summary-highlight-line-function
998 gnus-current-article gnus-current-headers gnus-have-all-headers
999 gnus-last-article gnus-article-internal-prepare-hook
1000 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1001 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1002 gnus-thread-expunge-below
1003 gnus-score-alist gnus-current-score-file gnus-summary-expunge-below
1004 (gnus-summary-mark-below . global)
1005 gnus-newsgroup-active gnus-scores-exclude-files
1006 gnus-newsgroup-history gnus-newsgroup-ancient
1007 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1008 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1009 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1010 (gnus-newsgroup-expunged-tally . 0)
1011 gnus-cache-removable-articles gnus-newsgroup-cached
1012 gnus-newsgroup-data gnus-newsgroup-data-reverse
1013 gnus-newsgroup-limit gnus-newsgroup-limits)
1014 "Variables that are buffer-local to the summary buffers.")
1016 ;; Byte-compiler warning.
1017 (defvar gnus-article-mode-map)
1019 ;; Subject simplification.
1021 (defun gnus-simplify-whitespace (str)
1022 "Remove excessive whitespace."
1023 (let ((mystr str))
1024 ;; Multiple spaces.
1025 (while (string-match "[ \t][ \t]+" mystr)
1026 (setq mystr (concat (substring mystr 0 (match-beginning 0))
1028 (substring mystr (match-end 0)))))
1029 ;; Leading spaces.
1030 (when (string-match "^[ \t]+" mystr)
1031 (setq mystr (substring mystr (match-end 0))))
1032 ;; Trailing spaces.
1033 (when (string-match "[ \t]+$" mystr)
1034 (setq mystr (substring mystr 0 (match-beginning 0))))
1035 mystr))
1037 (defsubst gnus-simplify-subject-re (subject)
1038 "Remove \"Re:\" from subject lines."
1039 (if (string-match "^[Rr][Ee]: *" subject)
1040 (substring subject (match-end 0))
1041 subject))
1043 (defun gnus-simplify-subject (subject &optional re-only)
1044 "Remove `Re:' and words in parentheses.
1045 If RE-ONLY is non-nil, strip leading `Re:'s only."
1046 (let ((case-fold-search t)) ;Ignore case.
1047 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1048 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1049 (setq subject (substring subject (match-end 0))))
1050 ;; Remove uninteresting prefixes.
1051 (when (and (not re-only)
1052 gnus-simplify-ignored-prefixes
1053 (string-match gnus-simplify-ignored-prefixes subject))
1054 (setq subject (substring subject (match-end 0))))
1055 ;; Remove words in parentheses from end.
1056 (unless re-only
1057 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1058 (setq subject (substring subject 0 (match-beginning 0)))))
1059 ;; Return subject string.
1060 subject))
1062 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1063 ;; all whitespace.
1064 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1065 (goto-char (point-min))
1066 (while (re-search-forward regexp nil t)
1067 (replace-match (or newtext ""))))
1069 (defun gnus-simplify-buffer-fuzzy ()
1070 "Simplify string in the buffer fuzzily.
1071 The string in the accessible portion of the current buffer is simplified.
1072 It is assumed to be a single-line subject.
1073 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1074 matter is removed. Additional things can be deleted by setting
1075 gnus-simplify-subject-fuzzy-regexp."
1076 (let ((case-fold-search t)
1077 (modified-tick))
1078 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1080 (while (not (eq modified-tick (buffer-modified-tick)))
1081 (setq modified-tick (buffer-modified-tick))
1082 (cond
1083 ((listp gnus-simplify-subject-fuzzy-regexp)
1084 (mapcar 'gnus-simplify-buffer-fuzzy-step
1085 gnus-simplify-subject-fuzzy-regexp))
1086 (gnus-simplify-subject-fuzzy-regexp
1087 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1088 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1089 (gnus-simplify-buffer-fuzzy-step
1090 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1091 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1093 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1094 (gnus-simplify-buffer-fuzzy-step " +" " ")
1095 (gnus-simplify-buffer-fuzzy-step " $")
1096 (gnus-simplify-buffer-fuzzy-step "^ +")))
1098 (defun gnus-simplify-subject-fuzzy (subject)
1099 "Simplify a subject string fuzzily.
1100 See `gnus-simplify-buffer-fuzzy' for details."
1101 (save-excursion
1102 (gnus-set-work-buffer)
1103 (let ((case-fold-search t))
1104 ;; Remove uninteresting prefixes.
1105 (when (and gnus-simplify-ignored-prefixes
1106 (string-match gnus-simplify-ignored-prefixes subject))
1107 (setq subject (substring subject (match-end 0))))
1108 (insert subject)
1109 (inline (gnus-simplify-buffer-fuzzy))
1110 (buffer-string))))
1112 (defsubst gnus-simplify-subject-fully (subject)
1113 "Simplify a subject string according to gnus-summary-gather-subject-limit."
1114 (cond
1115 (gnus-simplify-subject-functions
1116 (gnus-map-function gnus-simplify-subject-functions subject))
1117 ((null gnus-summary-gather-subject-limit)
1118 (gnus-simplify-subject-re subject))
1119 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1120 (gnus-simplify-subject-fuzzy subject))
1121 ((numberp gnus-summary-gather-subject-limit)
1122 (gnus-limit-string (gnus-simplify-subject-re subject)
1123 gnus-summary-gather-subject-limit))
1125 subject)))
1127 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1128 "Check whether two subjects are equal.
1129 If optional argument simple-first is t, first argument is already
1130 simplified."
1131 (cond
1132 ((null simple-first)
1133 (equal (gnus-simplify-subject-fully s1)
1134 (gnus-simplify-subject-fully s2)))
1136 (equal s1
1137 (gnus-simplify-subject-fully s2)))))
1139 (defun gnus-summary-bubble-group ()
1140 "Increase the score of the current group.
1141 This is a handy function to add to `gnus-summary-exit-hook' to
1142 increase the score of each group you read."
1143 (gnus-group-add-score gnus-newsgroup-name))
1147 ;;; Gnus summary mode
1150 (put 'gnus-summary-mode 'mode-class 'special)
1152 (when t
1153 ;; Non-orthogonal keys
1155 (gnus-define-keys gnus-summary-mode-map
1156 " " gnus-summary-next-page
1157 "\177" gnus-summary-prev-page
1158 [delete] gnus-summary-prev-page
1159 [backspace] gnus-summary-prev-page
1160 "\r" gnus-summary-scroll-up
1161 "\M-\r" gnus-summary-scroll-down
1162 "n" gnus-summary-next-unread-article
1163 "p" gnus-summary-prev-unread-article
1164 "N" gnus-summary-next-article
1165 "P" gnus-summary-prev-article
1166 "\M-\C-n" gnus-summary-next-same-subject
1167 "\M-\C-p" gnus-summary-prev-same-subject
1168 "\M-n" gnus-summary-next-unread-subject
1169 "\M-p" gnus-summary-prev-unread-subject
1170 "." gnus-summary-first-unread-article
1171 "," gnus-summary-best-unread-article
1172 "\M-s" gnus-summary-search-article-forward
1173 "\M-r" gnus-summary-search-article-backward
1174 "<" gnus-summary-beginning-of-article
1175 ">" gnus-summary-end-of-article
1176 "j" gnus-summary-goto-article
1177 "^" gnus-summary-refer-parent-article
1178 "\M-^" gnus-summary-refer-article
1179 "u" gnus-summary-tick-article-forward
1180 "!" gnus-summary-tick-article-forward
1181 "U" gnus-summary-tick-article-backward
1182 "d" gnus-summary-mark-as-read-forward
1183 "D" gnus-summary-mark-as-read-backward
1184 "E" gnus-summary-mark-as-expirable
1185 "\M-u" gnus-summary-clear-mark-forward
1186 "\M-U" gnus-summary-clear-mark-backward
1187 "k" gnus-summary-kill-same-subject-and-select
1188 "\C-k" gnus-summary-kill-same-subject
1189 "\M-\C-k" gnus-summary-kill-thread
1190 "\M-\C-l" gnus-summary-lower-thread
1191 "e" gnus-summary-edit-article
1192 "#" gnus-summary-mark-as-processable
1193 "\M-#" gnus-summary-unmark-as-processable
1194 "\M-\C-t" gnus-summary-toggle-threads
1195 "\M-\C-s" gnus-summary-show-thread
1196 "\M-\C-h" gnus-summary-hide-thread
1197 "\M-\C-f" gnus-summary-next-thread
1198 "\M-\C-b" gnus-summary-prev-thread
1199 "\M-\C-u" gnus-summary-up-thread
1200 "\M-\C-d" gnus-summary-down-thread
1201 "&" gnus-summary-execute-command
1202 "c" gnus-summary-catchup-and-exit
1203 "\C-w" gnus-summary-mark-region-as-read
1204 "\C-t" gnus-summary-toggle-truncation
1205 "?" gnus-summary-mark-as-dormant
1206 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1207 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1208 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1209 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1210 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1211 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1212 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1213 "=" gnus-summary-expand-window
1214 "\C-x\C-s" gnus-summary-reselect-current-group
1215 "\M-g" gnus-summary-rescan-group
1216 "w" gnus-summary-stop-page-breaking
1217 "\C-c\C-r" gnus-summary-caesar-message
1218 "\M-t" gnus-summary-toggle-mime
1219 "f" gnus-summary-followup
1220 "F" gnus-summary-followup-with-original
1221 "C" gnus-summary-cancel-article
1222 "r" gnus-summary-reply
1223 "R" gnus-summary-reply-with-original
1224 "\C-c\C-f" gnus-summary-mail-forward
1225 "o" gnus-summary-save-article
1226 "\C-o" gnus-summary-save-article-mail
1227 "|" gnus-summary-pipe-output
1228 "\M-k" gnus-summary-edit-local-kill
1229 "\M-K" gnus-summary-edit-global-kill
1230 ;; "V" gnus-version
1231 "\C-c\C-d" gnus-summary-describe-group
1232 "q" gnus-summary-exit
1233 "Q" gnus-summary-exit-no-update
1234 "\C-c\C-i" gnus-info-find-node
1235 gnus-mouse-2 gnus-mouse-pick-article
1236 "m" gnus-summary-mail-other-window
1237 "a" gnus-summary-post-news
1238 "x" gnus-summary-limit-to-unread
1239 "s" gnus-summary-isearch-article
1240 "t" gnus-article-hide-headers
1241 "g" gnus-summary-show-article
1242 "l" gnus-summary-goto-last-article
1243 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1244 "\C-d" gnus-summary-enter-digest-group
1245 "\M-\C-d" gnus-summary-read-document
1246 "\M-\C-e" gnus-summary-edit-parameters
1247 "\C-c\C-b" gnus-bug
1248 "*" gnus-cache-enter-article
1249 "\M-*" gnus-cache-remove-article
1250 "\M-&" gnus-summary-universal-argument
1251 "\C-l" gnus-recenter
1252 "I" gnus-summary-increase-score
1253 "L" gnus-summary-lower-score
1254 "\M-i" gnus-symbolic-argument
1255 "h" gnus-summary-select-article-buffer
1257 "V" gnus-summary-score-map
1258 "X" gnus-uu-extract-map
1259 "S" gnus-summary-send-map)
1261 ;; Sort of orthogonal keymap
1262 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1263 "t" gnus-summary-tick-article-forward
1264 "!" gnus-summary-tick-article-forward
1265 "d" gnus-summary-mark-as-read-forward
1266 "r" gnus-summary-mark-as-read-forward
1267 "c" gnus-summary-clear-mark-forward
1268 " " gnus-summary-clear-mark-forward
1269 "e" gnus-summary-mark-as-expirable
1270 "x" gnus-summary-mark-as-expirable
1271 "?" gnus-summary-mark-as-dormant
1272 "b" gnus-summary-set-bookmark
1273 "B" gnus-summary-remove-bookmark
1274 "#" gnus-summary-mark-as-processable
1275 "\M-#" gnus-summary-unmark-as-processable
1276 "S" gnus-summary-limit-include-expunged
1277 "C" gnus-summary-catchup
1278 "H" gnus-summary-catchup-to-here
1279 "\C-c" gnus-summary-catchup-all
1280 "k" gnus-summary-kill-same-subject-and-select
1281 "K" gnus-summary-kill-same-subject
1282 "P" gnus-uu-mark-map)
1284 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1285 "c" gnus-summary-clear-above
1286 "u" gnus-summary-tick-above
1287 "m" gnus-summary-mark-above
1288 "k" gnus-summary-kill-below)
1290 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1291 "/" gnus-summary-limit-to-subject
1292 "n" gnus-summary-limit-to-articles
1293 "w" gnus-summary-pop-limit
1294 "s" gnus-summary-limit-to-subject
1295 "a" gnus-summary-limit-to-author
1296 "u" gnus-summary-limit-to-unread
1297 "m" gnus-summary-limit-to-marks
1298 "v" gnus-summary-limit-to-score
1299 "*" gnus-summary-limit-include-cached
1300 "D" gnus-summary-limit-include-dormant
1301 "T" gnus-summary-limit-include-thread
1302 "d" gnus-summary-limit-exclude-dormant
1303 "t" gnus-summary-limit-to-age
1304 "E" gnus-summary-limit-include-expunged
1305 "c" gnus-summary-limit-exclude-childless-dormant
1306 "C" gnus-summary-limit-mark-excluded-as-read)
1308 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1309 "n" gnus-summary-next-unread-article
1310 "p" gnus-summary-prev-unread-article
1311 "N" gnus-summary-next-article
1312 "P" gnus-summary-prev-article
1313 "\C-n" gnus-summary-next-same-subject
1314 "\C-p" gnus-summary-prev-same-subject
1315 "\M-n" gnus-summary-next-unread-subject
1316 "\M-p" gnus-summary-prev-unread-subject
1317 "f" gnus-summary-first-unread-article
1318 "b" gnus-summary-best-unread-article
1319 "j" gnus-summary-goto-article
1320 "g" gnus-summary-goto-subject
1321 "l" gnus-summary-goto-last-article
1322 "o" gnus-summary-pop-article)
1324 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1325 "k" gnus-summary-kill-thread
1326 "l" gnus-summary-lower-thread
1327 "i" gnus-summary-raise-thread
1328 "T" gnus-summary-toggle-threads
1329 "t" gnus-summary-rethread-current
1330 "^" gnus-summary-reparent-thread
1331 "s" gnus-summary-show-thread
1332 "S" gnus-summary-show-all-threads
1333 "h" gnus-summary-hide-thread
1334 "H" gnus-summary-hide-all-threads
1335 "n" gnus-summary-next-thread
1336 "p" gnus-summary-prev-thread
1337 "u" gnus-summary-up-thread
1338 "o" gnus-summary-top-thread
1339 "d" gnus-summary-down-thread
1340 "#" gnus-uu-mark-thread
1341 "\M-#" gnus-uu-unmark-thread)
1343 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1344 "g" gnus-summary-prepare
1345 "c" gnus-summary-insert-cached-articles)
1347 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1348 "c" gnus-summary-catchup-and-exit
1349 "C" gnus-summary-catchup-all-and-exit
1350 "E" gnus-summary-exit-no-update
1351 "Q" gnus-summary-exit
1352 "Z" gnus-summary-exit
1353 "n" gnus-summary-catchup-and-goto-next-group
1354 "R" gnus-summary-reselect-current-group
1355 "G" gnus-summary-rescan-group
1356 "N" gnus-summary-next-group
1357 "s" gnus-summary-save-newsrc
1358 "P" gnus-summary-prev-group)
1360 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1361 " " gnus-summary-next-page
1362 "n" gnus-summary-next-page
1363 "\177" gnus-summary-prev-page
1364 [delete] gnus-summary-prev-page
1365 "p" gnus-summary-prev-page
1366 "\r" gnus-summary-scroll-up
1367 "\M-\r" gnus-summary-scroll-down
1368 "<" gnus-summary-beginning-of-article
1369 ">" gnus-summary-end-of-article
1370 "b" gnus-summary-beginning-of-article
1371 "e" gnus-summary-end-of-article
1372 "^" gnus-summary-refer-parent-article
1373 "r" gnus-summary-refer-parent-article
1374 "R" gnus-summary-refer-references
1375 "T" gnus-summary-refer-thread
1376 "g" gnus-summary-show-article
1377 "s" gnus-summary-isearch-article
1378 "P" gnus-summary-print-article)
1380 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1381 "b" gnus-article-add-buttons
1382 "B" gnus-article-add-buttons-to-head
1383 "o" gnus-article-treat-overstrike
1384 "e" gnus-article-emphasize
1385 "w" gnus-article-fill-cited-article
1386 "c" gnus-article-remove-cr
1387 "q" gnus-article-de-quoted-unreadable
1388 "f" gnus-article-display-x-face
1389 "l" gnus-summary-stop-page-breaking
1390 "r" gnus-summary-caesar-message
1391 "t" gnus-article-hide-headers
1392 "v" gnus-summary-verbose-headers
1393 "m" gnus-summary-toggle-mime
1394 "h" gnus-article-treat-html
1395 "d" gnus-article-treat-dumbquotes)
1397 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1398 "a" gnus-article-hide
1399 "h" gnus-article-hide-headers
1400 "b" gnus-article-hide-boring-headers
1401 "s" gnus-article-hide-signature
1402 "c" gnus-article-hide-citation
1403 "C" gnus-article-hide-citation-in-followups
1404 "p" gnus-article-hide-pgp
1405 "P" gnus-article-hide-pem
1406 "\C-c" gnus-article-hide-citation-maybe)
1408 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
1409 "a" gnus-article-highlight
1410 "h" gnus-article-highlight-headers
1411 "c" gnus-article-highlight-citation
1412 "s" gnus-article-highlight-signature)
1414 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
1415 "z" gnus-article-date-ut
1416 "u" gnus-article-date-ut
1417 "l" gnus-article-date-local
1418 "e" gnus-article-date-lapsed
1419 "o" gnus-article-date-original
1420 "i" gnus-article-date-iso8601
1421 "s" gnus-article-date-user)
1423 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
1424 "t" gnus-article-remove-trailing-blank-lines
1425 "l" gnus-article-strip-leading-blank-lines
1426 "m" gnus-article-strip-multiple-blank-lines
1427 "a" gnus-article-strip-blank-lines
1428 "A" gnus-article-strip-all-blank-lines
1429 "s" gnus-article-strip-leading-space)
1431 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
1432 "v" gnus-version
1433 "f" gnus-summary-fetch-faq
1434 "d" gnus-summary-describe-group
1435 "h" gnus-summary-describe-briefly
1436 "i" gnus-info-find-node)
1438 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
1439 "e" gnus-summary-expire-articles
1440 "\M-\C-e" gnus-summary-expire-articles-now
1441 "\177" gnus-summary-delete-article
1442 [delete] gnus-summary-delete-article
1443 "m" gnus-summary-move-article
1444 "r" gnus-summary-respool-article
1445 "w" gnus-summary-edit-article
1446 "c" gnus-summary-copy-article
1447 "B" gnus-summary-crosspost-article
1448 "q" gnus-summary-respool-query
1449 "t" gnus-summary-respool-trace
1450 "i" gnus-summary-import-article
1451 "p" gnus-summary-article-posted-p)
1453 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
1454 "o" gnus-summary-save-article
1455 "m" gnus-summary-save-article-mail
1456 "F" gnus-summary-write-article-file
1457 "r" gnus-summary-save-article-rmail
1458 "f" gnus-summary-save-article-file
1459 "b" gnus-summary-save-article-body-file
1460 "h" gnus-summary-save-article-folder
1461 "v" gnus-summary-save-article-vm
1462 "p" gnus-summary-pipe-output
1463 "s" gnus-soup-add-article))
1465 (defun gnus-summary-make-menu-bar ()
1466 (gnus-turn-off-edit-menu 'summary)
1468 (unless (boundp 'gnus-summary-misc-menu)
1470 (easy-menu-define
1471 gnus-summary-kill-menu gnus-summary-mode-map ""
1472 (cons
1473 "Score"
1474 (nconc
1475 (list
1476 ["Enter score..." gnus-summary-score-entry t]
1477 ["Customize" gnus-score-customize t])
1478 (gnus-make-score-map 'increase)
1479 (gnus-make-score-map 'lower)
1480 '(("Mark"
1481 ["Kill below" gnus-summary-kill-below t]
1482 ["Mark above" gnus-summary-mark-above t]
1483 ["Tick above" gnus-summary-tick-above t]
1484 ["Clear above" gnus-summary-clear-above t])
1485 ["Current score" gnus-summary-current-score t]
1486 ["Set score" gnus-summary-set-score t]
1487 ["Switch current score file..." gnus-score-change-score-file t]
1488 ["Set mark below..." gnus-score-set-mark-below t]
1489 ["Set expunge below..." gnus-score-set-expunge-below t]
1490 ["Edit current score file" gnus-score-edit-current-scores t]
1491 ["Edit score file" gnus-score-edit-file t]
1492 ["Trace score" gnus-score-find-trace t]
1493 ["Find words" gnus-score-find-favourite-words t]
1494 ["Rescore buffer" gnus-summary-rescore t]
1495 ["Increase score..." gnus-summary-increase-score t]
1496 ["Lower score..." gnus-summary-lower-score t]))))
1498 ;; Define both the Article menu in the summary buffer and the equivalent
1499 ;; Commands menu in the article buffer here for consistency.
1500 (let ((innards
1501 '(("Hide"
1502 ["All" gnus-article-hide t]
1503 ["Headers" gnus-article-hide-headers t]
1504 ["Signature" gnus-article-hide-signature t]
1505 ["Citation" gnus-article-hide-citation t]
1506 ["PGP" gnus-article-hide-pgp t]
1507 ["Boring headers" gnus-article-hide-boring-headers t])
1508 ("Highlight"
1509 ["All" gnus-article-highlight t]
1510 ["Headers" gnus-article-highlight-headers t]
1511 ["Signature" gnus-article-highlight-signature t]
1512 ["Citation" gnus-article-highlight-citation t])
1513 ("Date"
1514 ["Local" gnus-article-date-local t]
1515 ["ISO8601" gnus-article-date-iso8601 t]
1516 ["UT" gnus-article-date-ut t]
1517 ["Original" gnus-article-date-original t]
1518 ["Lapsed" gnus-article-date-lapsed t]
1519 ["User-defined" gnus-article-date-user t])
1520 ("Washing"
1521 ("Remove Blanks"
1522 ["Leading" gnus-article-strip-leading-blank-lines t]
1523 ["Multiple" gnus-article-strip-multiple-blank-lines t]
1524 ["Trailing" gnus-article-remove-trailing-blank-lines t]
1525 ["All of the above" gnus-article-strip-blank-lines t]
1526 ["All" gnus-article-strip-all-blank-lines t]
1527 ["Leading space" gnus-article-strip-leading-space t])
1528 ["Overstrike" gnus-article-treat-overstrike t]
1529 ["Dumb quotes" gnus-article-treat-dumbquotes t]
1530 ["Emphasis" gnus-article-emphasize t]
1531 ["Word wrap" gnus-article-fill-cited-article t]
1532 ["CR" gnus-article-remove-cr t]
1533 ["Show X-Face" gnus-article-display-x-face t]
1534 ["Quoted-Printable" gnus-article-de-quoted-unreadable t]
1535 ["UnHTMLize" gnus-article-treat-html t]
1536 ["Rot 13" gnus-summary-caesar-message t]
1537 ["Unix pipe" gnus-summary-pipe-message t]
1538 ["Add buttons" gnus-article-add-buttons t]
1539 ["Add buttons to head" gnus-article-add-buttons-to-head t]
1540 ["Stop page breaking" gnus-summary-stop-page-breaking t]
1541 ["Toggle MIME" gnus-summary-toggle-mime t]
1542 ["Verbose header" gnus-summary-verbose-headers t]
1543 ["Toggle header" gnus-summary-toggle-header t])
1544 ("Output"
1545 ["Save in default format" gnus-summary-save-article t]
1546 ["Save in file" gnus-summary-save-article-file t]
1547 ["Save in Unix mail format" gnus-summary-save-article-mail t]
1548 ["Save in MH folder" gnus-summary-save-article-folder t]
1549 ["Save in VM folder" gnus-summary-save-article-vm t]
1550 ["Save in RMAIL mbox" gnus-summary-save-article-rmail t]
1551 ["Save body in file" gnus-summary-save-article-body-file t]
1552 ["Pipe through a filter" gnus-summary-pipe-output t]
1553 ["Add to SOUP packet" gnus-soup-add-article t]
1554 ["Print" gnus-summary-print-article t])
1555 ("Backend"
1556 ["Respool article..." gnus-summary-respool-article t]
1557 ["Move article..." gnus-summary-move-article
1558 (gnus-check-backend-function
1559 'request-move-article gnus-newsgroup-name)]
1560 ["Copy article..." gnus-summary-copy-article t]
1561 ["Crosspost article..." gnus-summary-crosspost-article
1562 (gnus-check-backend-function
1563 'request-replace-article gnus-newsgroup-name)]
1564 ["Import file..." gnus-summary-import-article t]
1565 ["Check if posted" gnus-summary-article-posted-p t]
1566 ["Edit article" gnus-summary-edit-article
1567 (not (gnus-group-read-only-p))]
1568 ["Delete article" gnus-summary-delete-article
1569 (gnus-check-backend-function
1570 'request-expire-articles gnus-newsgroup-name)]
1571 ["Query respool" gnus-summary-respool-query t]
1572 ["Trace respool" gnus-summary-respool-trace t]
1573 ["Delete expirable articles" gnus-summary-expire-articles-now
1574 (gnus-check-backend-function
1575 'request-expire-articles gnus-newsgroup-name)])
1576 ("Extract"
1577 ["Uudecode" gnus-uu-decode-uu t]
1578 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
1579 ["Unshar" gnus-uu-decode-unshar t]
1580 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
1581 ["Save" gnus-uu-decode-save t]
1582 ["Binhex" gnus-uu-decode-binhex t]
1583 ["Postscript" gnus-uu-decode-postscript t])
1584 ("Cache"
1585 ["Enter article" gnus-cache-enter-article t]
1586 ["Remove article" gnus-cache-remove-article t])
1587 ["Select article buffer" gnus-summary-select-article-buffer t]
1588 ["Enter digest buffer" gnus-summary-enter-digest-group t]
1589 ["Isearch article..." gnus-summary-isearch-article t]
1590 ["Beginning of the article" gnus-summary-beginning-of-article t]
1591 ["End of the article" gnus-summary-end-of-article t]
1592 ["Fetch parent of article" gnus-summary-refer-parent-article t]
1593 ["Fetch referenced articles" gnus-summary-refer-references t]
1594 ["Fetch current thread" gnus-summary-refer-thread t]
1595 ["Fetch article with id..." gnus-summary-refer-article t]
1596 ["Redisplay" gnus-summary-show-article t])))
1597 (easy-menu-define
1598 gnus-summary-article-menu gnus-summary-mode-map ""
1599 (cons "Article" innards))
1601 (easy-menu-define
1602 gnus-article-commands-menu gnus-article-mode-map ""
1603 (cons "Commands" innards)))
1605 (easy-menu-define
1606 gnus-summary-thread-menu gnus-summary-mode-map ""
1607 '("Threads"
1608 ["Toggle threading" gnus-summary-toggle-threads t]
1609 ["Hide threads" gnus-summary-hide-all-threads t]
1610 ["Show threads" gnus-summary-show-all-threads t]
1611 ["Hide thread" gnus-summary-hide-thread t]
1612 ["Show thread" gnus-summary-show-thread t]
1613 ["Go to next thread" gnus-summary-next-thread t]
1614 ["Go to previous thread" gnus-summary-prev-thread t]
1615 ["Go down thread" gnus-summary-down-thread t]
1616 ["Go up thread" gnus-summary-up-thread t]
1617 ["Top of thread" gnus-summary-top-thread t]
1618 ["Mark thread as read" gnus-summary-kill-thread t]
1619 ["Lower thread score" gnus-summary-lower-thread t]
1620 ["Raise thread score" gnus-summary-raise-thread t]
1621 ["Rethread current" gnus-summary-rethread-current t]
1624 (easy-menu-define
1625 gnus-summary-post-menu gnus-summary-mode-map ""
1626 '("Post"
1627 ["Post an article" gnus-summary-post-news t]
1628 ["Followup" gnus-summary-followup t]
1629 ["Followup and yank" gnus-summary-followup-with-original t]
1630 ["Supersede article" gnus-summary-supersede-article t]
1631 ["Cancel article" gnus-summary-cancel-article t]
1632 ["Reply" gnus-summary-reply t]
1633 ["Reply and yank" gnus-summary-reply-with-original t]
1634 ["Wide reply" gnus-summary-wide-reply t]
1635 ["Wide reply and yank" gnus-summary-wide-reply-with-original t]
1636 ["Mail forward" gnus-summary-mail-forward t]
1637 ["Post forward" gnus-summary-post-forward t]
1638 ["Digest and mail" gnus-uu-digest-mail-forward t]
1639 ["Digest and post" gnus-uu-digest-post-forward t]
1640 ["Resend message" gnus-summary-resend-message t]
1641 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
1642 ["Send a mail" gnus-summary-mail-other-window t]
1643 ["Uuencode and post" gnus-uu-post-news t]
1644 ["Followup via news" gnus-summary-followup-to-mail t]
1645 ["Followup via news and yank"
1646 gnus-summary-followup-to-mail-with-original t]
1647 ;;("Draft"
1648 ;;["Send" gnus-summary-send-draft t]
1649 ;;["Send bounced" gnus-resend-bounced-mail t])
1652 (easy-menu-define
1653 gnus-summary-misc-menu gnus-summary-mode-map ""
1654 '("Misc"
1655 ("Mark Read"
1656 ["Mark as read" gnus-summary-mark-as-read-forward t]
1657 ["Mark same subject and select"
1658 gnus-summary-kill-same-subject-and-select t]
1659 ["Mark same subject" gnus-summary-kill-same-subject t]
1660 ["Catchup" gnus-summary-catchup t]
1661 ["Catchup all" gnus-summary-catchup-all t]
1662 ["Catchup to here" gnus-summary-catchup-to-here t]
1663 ["Catchup region" gnus-summary-mark-region-as-read t]
1664 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
1665 ("Mark Various"
1666 ["Tick" gnus-summary-tick-article-forward t]
1667 ["Mark as dormant" gnus-summary-mark-as-dormant t]
1668 ["Remove marks" gnus-summary-clear-mark-forward t]
1669 ["Set expirable mark" gnus-summary-mark-as-expirable t]
1670 ["Set bookmark" gnus-summary-set-bookmark t]
1671 ["Remove bookmark" gnus-summary-remove-bookmark t])
1672 ("Mark Limit"
1673 ["Marks..." gnus-summary-limit-to-marks t]
1674 ["Subject..." gnus-summary-limit-to-subject t]
1675 ["Author..." gnus-summary-limit-to-author t]
1676 ["Age..." gnus-summary-limit-to-age t]
1677 ["Score" gnus-summary-limit-to-score t]
1678 ["Unread" gnus-summary-limit-to-unread t]
1679 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
1680 ["Articles" gnus-summary-limit-to-articles t]
1681 ["Pop limit" gnus-summary-pop-limit t]
1682 ["Show dormant" gnus-summary-limit-include-dormant t]
1683 ["Hide childless dormant"
1684 gnus-summary-limit-exclude-childless-dormant t]
1685 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
1686 ["Show expunged" gnus-summary-show-all-expunged t])
1687 ("Process Mark"
1688 ["Set mark" gnus-summary-mark-as-processable t]
1689 ["Remove mark" gnus-summary-unmark-as-processable t]
1690 ["Remove all marks" gnus-summary-unmark-all-processable t]
1691 ["Mark above" gnus-uu-mark-over t]
1692 ["Mark series" gnus-uu-mark-series t]
1693 ["Mark region" gnus-uu-mark-region t]
1694 ["Unmark region" gnus-uu-unmark-region t]
1695 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
1696 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
1697 ["Mark all" gnus-uu-mark-all t]
1698 ["Mark buffer" gnus-uu-mark-buffer t]
1699 ["Mark sparse" gnus-uu-mark-sparse t]
1700 ["Mark thread" gnus-uu-mark-thread t]
1701 ["Unmark thread" gnus-uu-unmark-thread t]
1702 ("Process Mark Sets"
1703 ["Kill" gnus-summary-kill-process-mark t]
1704 ["Yank" gnus-summary-yank-process-mark
1705 gnus-newsgroup-process-stack]
1706 ["Save" gnus-summary-save-process-mark t]))
1707 ("Scroll article"
1708 ["Page forward" gnus-summary-next-page t]
1709 ["Page backward" gnus-summary-prev-page t]
1710 ["Line forward" gnus-summary-scroll-up t])
1711 ("Move"
1712 ["Next unread article" gnus-summary-next-unread-article t]
1713 ["Previous unread article" gnus-summary-prev-unread-article t]
1714 ["Next article" gnus-summary-next-article t]
1715 ["Previous article" gnus-summary-prev-article t]
1716 ["Next unread subject" gnus-summary-next-unread-subject t]
1717 ["Previous unread subject" gnus-summary-prev-unread-subject t]
1718 ["Next article same subject" gnus-summary-next-same-subject t]
1719 ["Previous article same subject" gnus-summary-prev-same-subject t]
1720 ["First unread article" gnus-summary-first-unread-article t]
1721 ["Best unread article" gnus-summary-best-unread-article t]
1722 ["Go to subject number..." gnus-summary-goto-subject t]
1723 ["Go to article number..." gnus-summary-goto-article t]
1724 ["Go to the last article" gnus-summary-goto-last-article t]
1725 ["Pop article off history" gnus-summary-pop-article t])
1726 ("Sort"
1727 ["Sort by number" gnus-summary-sort-by-number t]
1728 ["Sort by author" gnus-summary-sort-by-author t]
1729 ["Sort by subject" gnus-summary-sort-by-subject t]
1730 ["Sort by date" gnus-summary-sort-by-date t]
1731 ["Sort by score" gnus-summary-sort-by-score t]
1732 ["Sort by lines" gnus-summary-sort-by-lines t])
1733 ("Help"
1734 ["Fetch group FAQ" gnus-summary-fetch-faq t]
1735 ["Describe group" gnus-summary-describe-group t]
1736 ["Read manual" gnus-info-find-node t])
1737 ("Modes"
1738 ["Pick and read" gnus-pick-mode t]
1739 ["Binary" gnus-binary-mode t])
1740 ("Regeneration"
1741 ["Regenerate" gnus-summary-prepare t]
1742 ["Insert cached articles" gnus-summary-insert-cached-articles t]
1743 ["Toggle threading" gnus-summary-toggle-threads t])
1744 ["Filter articles..." gnus-summary-execute-command t]
1745 ["Run command on subjects..." gnus-summary-universal-argument t]
1746 ["Search articles forward..." gnus-summary-search-article-forward t]
1747 ["Search articles backward..." gnus-summary-search-article-backward t]
1748 ["Toggle line truncation" gnus-summary-toggle-truncation t]
1749 ["Expand window" gnus-summary-expand-window t]
1750 ["Expire expirable articles" gnus-summary-expire-articles
1751 (gnus-check-backend-function
1752 'request-expire-articles gnus-newsgroup-name)]
1753 ["Edit local kill file" gnus-summary-edit-local-kill t]
1754 ["Edit main kill file" gnus-summary-edit-global-kill t]
1755 ["Edit group parameters" gnus-summary-edit-parameters t]
1756 ["Send a bug report" gnus-bug t]
1757 ("Exit"
1758 ["Catchup and exit" gnus-summary-catchup-and-exit t]
1759 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
1760 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
1761 ["Exit group" gnus-summary-exit t]
1762 ["Exit group without updating" gnus-summary-exit-no-update t]
1763 ["Exit and goto next group" gnus-summary-next-group t]
1764 ["Exit and goto prev group" gnus-summary-prev-group t]
1765 ["Reselect group" gnus-summary-reselect-current-group t]
1766 ["Rescan group" gnus-summary-rescan-group t]
1767 ["Update dribble" gnus-summary-save-newsrc t])))
1769 (gnus-run-hooks 'gnus-summary-menu-hook)))
1771 (defun gnus-score-set-default (var value)
1772 "A version of set that updates the GNU Emacs menu-bar."
1773 (set var value)
1774 ;; It is the message that forces the active status to be updated.
1775 (message ""))
1777 (defun gnus-make-score-map (type)
1778 "Make a summary score map of type TYPE."
1779 (if t
1781 (let ((headers '(("author" "from" string)
1782 ("subject" "subject" string)
1783 ("article body" "body" string)
1784 ("article head" "head" string)
1785 ("xref" "xref" string)
1786 ("lines" "lines" number)
1787 ("followups to author" "followup" string)))
1788 (types '((number ("less than" <)
1789 ("greater than" >)
1790 ("equal" =))
1791 (string ("substring" s)
1792 ("exact string" e)
1793 ("fuzzy string" f)
1794 ("regexp" r))))
1795 (perms '(("temporary" (current-time-string))
1796 ("permanent" nil)
1797 ("immediate" now)))
1798 header)
1799 (list
1800 (apply
1801 'nconc
1802 (list
1803 (if (eq type 'lower)
1804 "Lower score"
1805 "Increase score"))
1806 (let (outh)
1807 (while headers
1808 (setq header (car headers))
1809 (setq outh
1810 (cons
1811 (apply
1812 'nconc
1813 (list (car header))
1814 (let ((ts (cdr (assoc (nth 2 header) types)))
1815 outt)
1816 (while ts
1817 (setq outt
1818 (cons
1819 (apply
1820 'nconc
1821 (list (caar ts))
1822 (let ((ps perms)
1823 outp)
1824 (while ps
1825 (setq outp
1826 (cons
1827 (vector
1828 (caar ps)
1829 (list
1830 'gnus-summary-score-entry
1831 (nth 1 header)
1832 (if (or (string= (nth 1 header)
1833 "head")
1834 (string= (nth 1 header)
1835 "body"))
1837 (list 'gnus-summary-header
1838 (nth 1 header)))
1839 (list 'quote (nth 1 (car ts)))
1840 (list 'gnus-score-default nil)
1841 (nth 1 (car ps))
1844 outp))
1845 (setq ps (cdr ps)))
1846 (list (nreverse outp))))
1847 outt))
1848 (setq ts (cdr ts)))
1849 (list (nreverse outt))))
1850 outh))
1851 (setq headers (cdr headers)))
1852 (list (nreverse outh))))))))
1856 (defun gnus-summary-mode (&optional group)
1857 "Major mode for reading articles.
1859 All normal editing commands are switched off.
1860 \\<gnus-summary-mode-map>
1861 Each line in this buffer represents one article. To read an
1862 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
1863 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
1864 respectively.
1866 You can also post articles and send mail from this buffer. To
1867 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
1868 of an article, type `\\[gnus-summary-reply]'.
1870 There are approx. one gazillion commands you can execute in this
1871 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
1873 The following commands are available:
1875 \\{gnus-summary-mode-map}"
1876 (interactive)
1877 (when (gnus-visual-p 'summary-menu 'menu)
1878 (gnus-summary-make-menu-bar))
1879 (kill-all-local-variables)
1880 (gnus-summary-make-local-variables)
1881 (gnus-make-thread-indent-array)
1882 (gnus-simplify-mode-line)
1883 (setq major-mode 'gnus-summary-mode)
1884 (setq mode-name "Summary")
1885 (make-local-variable 'minor-mode-alist)
1886 (use-local-map gnus-summary-mode-map)
1887 (buffer-disable-undo (current-buffer))
1888 (setq buffer-read-only t) ;Disable modification
1889 (setq truncate-lines t)
1890 (setq selective-display t)
1891 (setq selective-display-ellipses t) ;Display `...'
1892 (gnus-summary-set-display-table)
1893 (gnus-set-default-directory)
1894 (setq gnus-newsgroup-name group)
1895 (make-local-variable 'gnus-summary-line-format)
1896 (make-local-variable 'gnus-summary-line-format-spec)
1897 (make-local-variable 'gnus-summary-dummy-line-format)
1898 (make-local-variable 'gnus-summary-dummy-line-format-spec)
1899 (make-local-variable 'gnus-summary-mark-positions)
1900 (make-local-hook 'post-command-hook)
1901 (add-hook 'post-command-hook 'gnus-clear-inboxes-moved nil t)
1902 (make-local-hook 'pre-command-hook)
1903 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
1904 (gnus-run-hooks 'gnus-summary-mode-hook)
1905 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
1906 (gnus-update-summary-mark-positions))
1908 (defun gnus-summary-make-local-variables ()
1909 "Make all the local summary buffer variables."
1910 (let ((locals gnus-summary-local-variables)
1911 global local)
1912 (while (setq local (pop locals))
1913 (if (consp local)
1914 (progn
1915 (if (eq (cdr local) 'global)
1916 ;; Copy the global value of the variable.
1917 (setq global (symbol-value (car local)))
1918 ;; Use the value from the list.
1919 (setq global (eval (cdr local))))
1920 (make-local-variable (car local))
1921 (set (car local) global))
1922 ;; Simple nil-valued local variable.
1923 (make-local-variable local)
1924 (set local nil)))))
1926 (defun gnus-summary-clear-local-variables ()
1927 (let ((locals gnus-summary-local-variables))
1928 (while locals
1929 (if (consp (car locals))
1930 (and (vectorp (caar locals))
1931 (set (caar locals) nil))
1932 (and (vectorp (car locals))
1933 (set (car locals) nil)))
1934 (setq locals (cdr locals)))))
1936 ;; Summary data functions.
1938 (defmacro gnus-data-number (data)
1939 `(car ,data))
1941 (defmacro gnus-data-set-number (data number)
1942 `(setcar ,data ,number))
1944 (defmacro gnus-data-mark (data)
1945 `(nth 1 ,data))
1947 (defmacro gnus-data-set-mark (data mark)
1948 `(setcar (nthcdr 1 ,data) ,mark))
1950 (defmacro gnus-data-pos (data)
1951 `(nth 2 ,data))
1953 (defmacro gnus-data-set-pos (data pos)
1954 `(setcar (nthcdr 2 ,data) ,pos))
1956 (defmacro gnus-data-header (data)
1957 `(nth 3 ,data))
1959 (defmacro gnus-data-set-header (data header)
1960 `(setf (nth 3 ,data) ,header))
1962 (defmacro gnus-data-level (data)
1963 `(nth 4 ,data))
1965 (defmacro gnus-data-unread-p (data)
1966 `(= (nth 1 ,data) gnus-unread-mark))
1968 (defmacro gnus-data-read-p (data)
1969 `(/= (nth 1 ,data) gnus-unread-mark))
1971 (defmacro gnus-data-pseudo-p (data)
1972 `(consp (nth 3 ,data)))
1974 (defmacro gnus-data-find (number)
1975 `(assq ,number gnus-newsgroup-data))
1977 (defmacro gnus-data-find-list (number &optional data)
1978 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
1979 (memq (assq ,number bdata)
1980 bdata)))
1982 (defmacro gnus-data-make (number mark pos header level)
1983 `(list ,number ,mark ,pos ,header ,level))
1985 (defun gnus-data-enter (after-article number mark pos header level offset)
1986 (let ((data (gnus-data-find-list after-article)))
1987 (unless data
1988 (error "No such article: %d" after-article))
1989 (setcdr data (cons (gnus-data-make number mark pos header level)
1990 (cdr data)))
1991 (setq gnus-newsgroup-data-reverse nil)
1992 (gnus-data-update-list (cddr data) offset)))
1994 (defun gnus-data-enter-list (after-article list &optional offset)
1995 (when list
1996 (let ((data (and after-article (gnus-data-find-list after-article)))
1997 (ilist list))
1998 (if (not (or data
1999 after-article))
2000 (let ((odata gnus-newsgroup-data))
2001 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
2002 (when offset
2003 (gnus-data-update-list odata offset)))
2004 ;; Find the last element in the list to be spliced into the main
2005 ;; list.
2006 (while (cdr list)
2007 (setq list (cdr list)))
2008 (if (not data)
2009 (progn
2010 (setcdr list gnus-newsgroup-data)
2011 (setq gnus-newsgroup-data ilist)
2012 (when offset
2013 (gnus-data-update-list (cdr list) offset)))
2014 (setcdr list (cdr data))
2015 (setcdr data ilist)
2016 (when offset
2017 (gnus-data-update-list (cdr list) offset))))
2018 (setq gnus-newsgroup-data-reverse nil))))
2020 (defun gnus-data-remove (article &optional offset)
2021 (let ((data gnus-newsgroup-data))
2022 (if (= (gnus-data-number (car data)) article)
2023 (progn
2024 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
2025 gnus-newsgroup-data-reverse nil)
2026 (when offset
2027 (gnus-data-update-list gnus-newsgroup-data offset)))
2028 (while (cdr data)
2029 (when (= (gnus-data-number (cadr data)) article)
2030 (setcdr data (cddr data))
2031 (when offset
2032 (gnus-data-update-list (cdr data) offset))
2033 (setq data nil
2034 gnus-newsgroup-data-reverse nil))
2035 (setq data (cdr data))))))
2037 (defmacro gnus-data-list (backward)
2038 `(if ,backward
2039 (or gnus-newsgroup-data-reverse
2040 (setq gnus-newsgroup-data-reverse
2041 (reverse gnus-newsgroup-data)))
2042 gnus-newsgroup-data))
2044 (defun gnus-data-update-list (data offset)
2045 "Add OFFSET to the POS of all data entries in DATA."
2046 (setq gnus-newsgroup-data-reverse nil)
2047 (while data
2048 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
2049 (setq data (cdr data))))
2051 (defun gnus-summary-article-pseudo-p (article)
2052 "Say whether this article is a pseudo article or not."
2053 (not (vectorp (gnus-data-header (gnus-data-find article)))))
2055 (defmacro gnus-summary-article-sparse-p (article)
2056 "Say whether this article is a sparse article or not."
2057 `(memq ,article gnus-newsgroup-sparse))
2059 (defmacro gnus-summary-article-ancient-p (article)
2060 "Say whether this article is a sparse article or not."
2061 `(memq ,article gnus-newsgroup-ancient))
2063 (defun gnus-article-parent-p (number)
2064 "Say whether this article is a parent or not."
2065 (let ((data (gnus-data-find-list number)))
2066 (and (cdr data) ; There has to be an article after...
2067 (< (gnus-data-level (car data)) ; And it has to have a higher level.
2068 (gnus-data-level (nth 1 data))))))
2070 (defun gnus-article-children (number)
2071 "Return a list of all children to NUMBER."
2072 (let* ((data (gnus-data-find-list number))
2073 (level (gnus-data-level (car data)))
2074 children)
2075 (setq data (cdr data))
2076 (while (and data
2077 (= (gnus-data-level (car data)) (1+ level)))
2078 (push (gnus-data-number (car data)) children)
2079 (setq data (cdr data)))
2080 children))
2082 (defmacro gnus-summary-skip-intangible ()
2083 "If the current article is intangible, then jump to a different article."
2084 '(let ((to (get-text-property (point) 'gnus-intangible)))
2085 (and to (gnus-summary-goto-subject to))))
2087 (defmacro gnus-summary-article-intangible-p ()
2088 "Say whether this article is intangible or not."
2089 '(get-text-property (point) 'gnus-intangible))
2091 (defun gnus-article-read-p (article)
2092 "Say whether ARTICLE is read or not."
2093 (not (or (memq article gnus-newsgroup-marked)
2094 (memq article gnus-newsgroup-unreads)
2095 (memq article gnus-newsgroup-unselected)
2096 (memq article gnus-newsgroup-dormant))))
2098 ;; Some summary mode macros.
2100 (defmacro gnus-summary-article-number ()
2101 "The article number of the article on the current line.
2102 If there isn's an article number here, then we return the current
2103 article number."
2104 '(progn
2105 (gnus-summary-skip-intangible)
2106 (or (get-text-property (point) 'gnus-number)
2107 (gnus-summary-last-subject))))
2109 (defmacro gnus-summary-article-header (&optional number)
2110 "Return the header of article NUMBER."
2111 `(gnus-data-header (gnus-data-find
2112 ,(or number '(gnus-summary-article-number)))))
2114 (defmacro gnus-summary-thread-level (&optional number)
2115 "Return the level of thread that starts with article NUMBER."
2116 `(if (and (eq gnus-summary-make-false-root 'dummy)
2117 (get-text-property (point) 'gnus-intangible))
2119 (gnus-data-level (gnus-data-find
2120 ,(or number '(gnus-summary-article-number))))))
2122 (defmacro gnus-summary-article-mark (&optional number)
2123 "Return the mark of article NUMBER."
2124 `(gnus-data-mark (gnus-data-find
2125 ,(or number '(gnus-summary-article-number)))))
2127 (defmacro gnus-summary-article-pos (&optional number)
2128 "Return the position of the line of article NUMBER."
2129 `(gnus-data-pos (gnus-data-find
2130 ,(or number '(gnus-summary-article-number)))))
2132 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
2133 (defmacro gnus-summary-article-subject (&optional number)
2134 "Return current subject string or nil if nothing."
2135 `(let ((headers
2136 ,(if number
2137 `(gnus-data-header (assq ,number gnus-newsgroup-data))
2138 '(gnus-data-header (assq (gnus-summary-article-number)
2139 gnus-newsgroup-data)))))
2140 (and headers
2141 (vectorp headers)
2142 (mail-header-subject headers))))
2144 (defmacro gnus-summary-article-score (&optional number)
2145 "Return current article score."
2146 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
2147 gnus-newsgroup-scored))
2148 gnus-summary-default-score 0))
2150 (defun gnus-summary-article-children (&optional number)
2151 "Return a list of article numbers that are children of article NUMBER."
2152 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
2153 (level (gnus-data-level (car data)))
2154 l children)
2155 (while (and (setq data (cdr data))
2156 (> (setq l (gnus-data-level (car data))) level))
2157 (and (= (1+ level) l)
2158 (push (gnus-data-number (car data))
2159 children)))
2160 (nreverse children)))
2162 (defun gnus-summary-article-parent (&optional number)
2163 "Return the article number of the parent of article NUMBER."
2164 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
2165 (gnus-data-list t)))
2166 (level (gnus-data-level (car data))))
2167 (if (zerop level)
2168 () ; This is a root.
2169 ;; We search until we find an article with a level less than
2170 ;; this one. That function has to be the parent.
2171 (while (and (setq data (cdr data))
2172 (not (< (gnus-data-level (car data)) level))))
2173 (and data (gnus-data-number (car data))))))
2175 (defun gnus-unread-mark-p (mark)
2176 "Say whether MARK is the unread mark."
2177 (= mark gnus-unread-mark))
2179 (defun gnus-read-mark-p (mark)
2180 "Say whether MARK is one of the marks that mark as read.
2181 This is all marks except unread, ticked, dormant, and expirable."
2182 (not (or (= mark gnus-unread-mark)
2183 (= mark gnus-ticked-mark)
2184 (= mark gnus-dormant-mark)
2185 (= mark gnus-expirable-mark))))
2187 (defmacro gnus-article-mark (number)
2188 "Return the MARK of article NUMBER.
2189 This macro should only be used when computing the mark the \"first\"
2190 time; i.e., when generating the summary lines. After that,
2191 `gnus-summary-article-mark' should be used to examine the
2192 marks of articles."
2193 `(cond
2194 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
2195 ((memq ,number gnus-newsgroup-undownloaded) gnus-undownloaded-mark)
2196 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
2197 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
2198 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
2199 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
2200 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
2201 (t (or (cdr (assq ,number gnus-newsgroup-reads))
2202 gnus-ancient-mark))))
2204 ;; Saving hidden threads.
2206 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
2207 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
2209 (defmacro gnus-save-hidden-threads (&rest forms)
2210 "Save hidden threads, eval FORMS, and restore the hidden threads."
2211 (let ((config (make-symbol "config")))
2212 `(let ((,config (gnus-hidden-threads-configuration)))
2213 (unwind-protect
2214 (save-excursion
2215 ,@forms)
2216 (gnus-restore-hidden-threads-configuration ,config)))))
2218 (defun gnus-hidden-threads-configuration ()
2219 "Return the current hidden threads configuration."
2220 (save-excursion
2221 (let (config)
2222 (goto-char (point-min))
2223 (while (search-forward "\r" nil t)
2224 (push (1- (point)) config))
2225 config)))
2227 (defun gnus-restore-hidden-threads-configuration (config)
2228 "Restore hidden threads configuration from CONFIG."
2229 (let (point buffer-read-only)
2230 (while (setq point (pop config))
2231 (when (and (< point (point-max))
2232 (goto-char point)
2233 (= (following-char) ?\n))
2234 (subst-char-in-region point (1+ point) ?\n ?\r)))))
2236 ;; This needs to be put here because it uses the
2237 ;; gnus-save-hidden-threads macro
2238 (defun gnus-data-compute-positions ()
2239 "Compute the positions of all articles."
2240 (setq gnus-newsgroup-data-reverse nil)
2241 (let ((data gnus-newsgroup-data))
2242 (save-excursion
2243 (gnus-save-hidden-threads
2244 (gnus-summary-show-all-threads)
2245 (goto-char (point-min))
2246 (while data
2247 (while (get-text-property (point) 'gnus-intangible)
2248 (forward-line 1))
2249 (gnus-data-set-pos (car data) (+ (point) 3))
2250 (setq data (cdr data))
2251 (forward-line 1))))))
2253 ;; Various summary mode internalish functions.
2255 (defun gnus-mouse-pick-article (e)
2256 (interactive "e")
2257 (mouse-set-point e)
2258 (gnus-summary-next-page nil t))
2260 (defun gnus-summary-set-display-table ()
2261 ;; Change the display table. Odd characters have a tendency to mess
2262 ;; up nicely formatted displays - we make all possible glyphs
2263 ;; display only a single character.
2265 ;; We start from the standard display table, if any.
2266 (let ((table (or (copy-sequence standard-display-table)
2267 (make-display-table)))
2268 (i 32))
2269 ;; Nix out all the control chars...
2270 (while (>= (setq i (1- i)) 0)
2271 (aset table i [??]))
2272 ;; ... but not newline and cr, of course. (cr is necessary for the
2273 ;; selective display).
2274 (aset table ?\n nil)
2275 (aset table ?\r nil)
2276 ;; We keep TAB as well.
2277 (aset table ?\t nil)
2278 ;; We nix out any glyphs over 126 that are not set already.
2279 (let ((i 256))
2280 (while (>= (setq i (1- i)) 127)
2281 ;; Only modify if the entry is nil.
2282 (unless (aref table i)
2283 (aset table i [??]))))
2284 (setq buffer-display-table table)))
2286 (defun gnus-summary-setup-buffer (group)
2287 "Initialize summary buffer."
2288 (let ((buffer (concat "*Summary " group "*")))
2289 (if (get-buffer buffer)
2290 (progn
2291 (set-buffer buffer)
2292 (setq gnus-summary-buffer (current-buffer))
2293 (not gnus-newsgroup-prepared))
2294 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
2295 (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
2296 (gnus-summary-mode group)
2297 (when gnus-carpal
2298 (gnus-carpal-setup-buffer 'summary))
2299 (unless gnus-single-article-buffer
2300 (make-local-variable 'gnus-article-buffer)
2301 (make-local-variable 'gnus-article-current)
2302 (make-local-variable 'gnus-original-article-buffer))
2303 (setq gnus-newsgroup-name group)
2304 t)))
2306 (defun gnus-set-global-variables ()
2307 ;; Set the global equivalents of the summary buffer-local variables
2308 ;; to the latest values they had. These reflect the summary buffer
2309 ;; that was in action when the last article was fetched.
2310 (when (eq major-mode 'gnus-summary-mode)
2311 (setq gnus-summary-buffer (current-buffer))
2312 (let ((name gnus-newsgroup-name)
2313 (marked gnus-newsgroup-marked)
2314 (unread gnus-newsgroup-unreads)
2315 (headers gnus-current-headers)
2316 (data gnus-newsgroup-data)
2317 (summary gnus-summary-buffer)
2318 (article-buffer gnus-article-buffer)
2319 (original gnus-original-article-buffer)
2320 (gac gnus-article-current)
2321 (reffed gnus-reffed-article-number)
2322 (score-file gnus-current-score-file))
2323 (save-excursion
2324 (set-buffer gnus-group-buffer)
2325 (setq gnus-newsgroup-name name
2326 gnus-newsgroup-marked marked
2327 gnus-newsgroup-unreads unread
2328 gnus-current-headers headers
2329 gnus-newsgroup-data data
2330 gnus-article-current gac
2331 gnus-summary-buffer summary
2332 gnus-article-buffer article-buffer
2333 gnus-original-article-buffer original
2334 gnus-reffed-article-number reffed
2335 gnus-current-score-file score-file)
2336 ;; The article buffer also has local variables.
2337 (when (gnus-buffer-live-p gnus-article-buffer)
2338 (set-buffer gnus-article-buffer)
2339 (setq gnus-summary-buffer summary))))))
2341 (defun gnus-summary-article-unread-p (article)
2342 "Say whether ARTICLE is unread or not."
2343 (memq article gnus-newsgroup-unreads))
2345 (defun gnus-summary-first-article-p (&optional article)
2346 "Return whether ARTICLE is the first article in the buffer."
2347 (if (not (setq article (or article (gnus-summary-article-number))))
2349 (eq article (caar gnus-newsgroup-data))))
2351 (defun gnus-summary-last-article-p (&optional article)
2352 "Return whether ARTICLE is the last article in the buffer."
2353 (if (not (setq article (or article (gnus-summary-article-number))))
2354 t ; All non-existent numbers are the last article. :-)
2355 (not (cdr (gnus-data-find-list article)))))
2357 (defun gnus-make-thread-indent-array ()
2358 (let ((n 200))
2359 (unless (and gnus-thread-indent-array
2360 (= gnus-thread-indent-level gnus-thread-indent-array-level))
2361 (setq gnus-thread-indent-array (make-vector 201 "")
2362 gnus-thread-indent-array-level gnus-thread-indent-level)
2363 (while (>= n 0)
2364 (aset gnus-thread-indent-array n
2365 (make-string (* n gnus-thread-indent-level) ? ))
2366 (setq n (1- n))))))
2368 (defun gnus-update-summary-mark-positions ()
2369 "Compute where the summary marks are to go."
2370 (save-excursion
2371 (when (gnus-buffer-exists-p gnus-summary-buffer)
2372 (set-buffer gnus-summary-buffer))
2373 (let ((gnus-replied-mark 129)
2374 (gnus-score-below-mark 130)
2375 (gnus-score-over-mark 130)
2376 (gnus-download-mark 131)
2377 (spec gnus-summary-line-format-spec)
2378 gnus-visual pos)
2379 (save-excursion
2380 (gnus-set-work-buffer)
2381 (let ((gnus-summary-line-format-spec spec)
2382 (gnus-newsgroup-downloadable '((0 . t))))
2383 (gnus-summary-insert-line
2384 [0 "" "" "" "" "" 0 0 ""] 0 nil 128 t nil "" nil 1)
2385 (goto-char (point-min))
2386 (setq pos (list (cons 'unread (and (search-forward "\200" nil t)
2387 (- (point) 2)))))
2388 (goto-char (point-min))
2389 (push (cons 'replied (and (search-forward "\201" nil t)
2390 (- (point) 2)))
2391 pos)
2392 (goto-char (point-min))
2393 (push (cons 'score (and (search-forward "\202" nil t) (- (point) 2)))
2394 pos)
2395 (goto-char (point-min))
2396 (push (cons 'download
2397 (and (search-forward "\203" nil t) (- (point) 2)))
2398 pos)))
2399 (setq gnus-summary-mark-positions pos))))
2401 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
2402 "Insert a dummy root in the summary buffer."
2403 (beginning-of-line)
2404 (gnus-add-text-properties
2405 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
2406 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
2408 (defun gnus-summary-insert-line (gnus-tmp-header
2409 gnus-tmp-level gnus-tmp-current
2410 gnus-tmp-unread gnus-tmp-replied
2411 gnus-tmp-expirable gnus-tmp-subject-or-nil
2412 &optional gnus-tmp-dummy gnus-tmp-score
2413 gnus-tmp-process)
2414 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
2415 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
2416 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
2417 (gnus-tmp-score-char
2418 (if (or (null gnus-summary-default-score)
2419 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
2420 gnus-summary-zcore-fuzz))
2421 ? ;space
2422 (if (< gnus-tmp-score gnus-summary-default-score)
2423 gnus-score-below-mark gnus-score-over-mark)))
2424 (gnus-tmp-replied
2425 (cond (gnus-tmp-process gnus-process-mark)
2426 ((memq gnus-tmp-current gnus-newsgroup-cached)
2427 gnus-cached-mark)
2428 (gnus-tmp-replied gnus-replied-mark)
2429 ((memq gnus-tmp-current gnus-newsgroup-saved)
2430 gnus-saved-mark)
2431 (t gnus-unread-mark)))
2432 (gnus-tmp-from (mail-header-from gnus-tmp-header))
2433 (gnus-tmp-name
2434 (cond
2435 ((string-match "<[^>]+> *$" gnus-tmp-from)
2436 (let ((beg (match-beginning 0)))
2437 (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
2438 (substring gnus-tmp-from (1+ (match-beginning 0))
2439 (1- (match-end 0))))
2440 (substring gnus-tmp-from 0 beg))))
2441 ((string-match "(.+)" gnus-tmp-from)
2442 (substring gnus-tmp-from
2443 (1+ (match-beginning 0)) (1- (match-end 0))))
2444 (t gnus-tmp-from)))
2445 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
2446 (gnus-tmp-number (mail-header-number gnus-tmp-header))
2447 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
2448 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
2449 (buffer-read-only nil))
2450 (when (string= gnus-tmp-name "")
2451 (setq gnus-tmp-name gnus-tmp-from))
2452 (unless (numberp gnus-tmp-lines)
2453 (setq gnus-tmp-lines 0))
2454 (gnus-put-text-property-excluding-characters-with-faces
2455 (point)
2456 (progn (eval gnus-summary-line-format-spec) (point))
2457 'gnus-number gnus-tmp-number)
2458 (when (gnus-visual-p 'summary-highlight 'highlight)
2459 (forward-line -1)
2460 (gnus-run-hooks 'gnus-summary-update-hook)
2461 (forward-line 1))))
2463 (defun gnus-summary-update-line (&optional dont-update)
2464 ;; Update summary line after change.
2465 (when (and gnus-summary-default-score
2466 (not gnus-summary-inhibit-highlight))
2467 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
2468 (article (gnus-summary-article-number))
2469 (score (gnus-summary-article-score article)))
2470 (unless dont-update
2471 (if (and gnus-summary-mark-below
2472 (< (gnus-summary-article-score)
2473 gnus-summary-mark-below))
2474 ;; This article has a low score, so we mark it as read.
2475 (when (memq article gnus-newsgroup-unreads)
2476 (gnus-summary-mark-article-as-read gnus-low-score-mark))
2477 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
2478 ;; This article was previously marked as read on account
2479 ;; of a low score, but now it has risen, so we mark it as
2480 ;; unread.
2481 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
2482 (gnus-summary-update-mark
2483 (if (or (null gnus-summary-default-score)
2484 (<= (abs (- score gnus-summary-default-score))
2485 gnus-summary-zcore-fuzz))
2486 ? ;space
2487 (if (< score gnus-summary-default-score)
2488 gnus-score-below-mark gnus-score-over-mark))
2489 'score))
2490 ;; Do visual highlighting.
2491 (when (gnus-visual-p 'summary-highlight 'highlight)
2492 (gnus-run-hooks 'gnus-summary-update-hook)))))
2494 (defvar gnus-tmp-new-adopts nil)
2496 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
2497 "Return the number of articles in THREAD.
2498 This may be 0 in some cases -- if none of the articles in
2499 the thread are to be displayed."
2500 (let* ((number
2501 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
2502 (cond
2503 ((not (listp thread))
2505 ((and (consp thread) (cdr thread))
2506 (apply
2507 '+ 1 (mapcar
2508 'gnus-summary-number-of-articles-in-thread (cdr thread))))
2509 ((null thread)
2511 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
2513 (t 0))))
2514 (when (and level (zerop level) gnus-tmp-new-adopts)
2515 (incf number
2516 (apply '+ (mapcar
2517 'gnus-summary-number-of-articles-in-thread
2518 gnus-tmp-new-adopts))))
2519 (if char
2520 (if (> number 1) gnus-not-empty-thread-mark
2521 gnus-empty-thread-mark)
2522 number)))
2524 (defun gnus-summary-set-local-parameters (group)
2525 "Go through the local params of GROUP and set all variable specs in that list."
2526 (let ((params (gnus-group-find-parameter group))
2527 elem)
2528 (while params
2529 (setq elem (car params)
2530 params (cdr params))
2531 (and (consp elem) ; Has to be a cons.
2532 (consp (cdr elem)) ; The cdr has to be a list.
2533 (symbolp (car elem)) ; Has to be a symbol in there.
2534 (not (memq (car elem) '(quit-config))) ; Ignore quit-config.
2535 (ignore-errors ; So we set it.
2536 (make-local-variable (car elem))
2537 (set (car elem) (eval (nth 1 elem))))))))
2539 (defun gnus-summary-read-group (group &optional show-all no-article
2540 kill-buffer no-display backward
2541 select-articles)
2542 "Start reading news in newsgroup GROUP.
2543 If SHOW-ALL is non-nil, already read articles are also listed.
2544 If NO-ARTICLE is non-nil, no article is selected initially.
2545 If NO-DISPLAY, don't generate a summary buffer."
2546 (let (result)
2547 (while (and group
2548 (null (setq result
2549 (let ((gnus-auto-select-next nil))
2550 (or (gnus-summary-read-group-1
2551 group show-all no-article
2552 kill-buffer no-display
2553 select-articles)
2554 (setq show-all nil
2555 select-articles nil)))))
2556 (eq gnus-auto-select-next 'quietly))
2557 (set-buffer gnus-group-buffer)
2558 ;; The entry function called above goes to the next
2559 ;; group automatically, so we go two groups back
2560 ;; if we are searching for the previous group.
2561 (when backward
2562 (gnus-group-prev-unread-group 2))
2563 (if (not (equal group (gnus-group-group-name)))
2564 (setq group (gnus-group-group-name))
2565 (setq group nil)))
2566 result))
2568 (defun gnus-summary-read-group-1 (group show-all no-article
2569 kill-buffer no-display
2570 &optional select-articles)
2571 ;; Killed foreign groups can't be entered.
2572 (when (and (not (gnus-group-native-p group))
2573 (not (gnus-gethash group gnus-newsrc-hashtb)))
2574 (error "Dead non-native groups can't be entered"))
2575 (gnus-message 5 "Retrieving newsgroup: %s..." group)
2576 (let* ((new-group (gnus-summary-setup-buffer group))
2577 (quit-config (gnus-group-quit-config group))
2578 (did-select (and new-group (gnus-select-newsgroup
2579 group show-all select-articles))))
2580 (cond
2581 ;; This summary buffer exists already, so we just select it.
2582 ((not new-group)
2583 (gnus-set-global-variables)
2584 (when kill-buffer
2585 (gnus-kill-or-deaden-summary kill-buffer))
2586 (gnus-configure-windows 'summary 'force)
2587 (gnus-set-mode-line 'summary)
2588 (gnus-summary-position-point)
2589 (message "")
2591 ;; We couldn't select this group.
2592 ((null did-select)
2593 (when (and (eq major-mode 'gnus-summary-mode)
2594 (not (equal (current-buffer) kill-buffer)))
2595 (kill-buffer (current-buffer))
2596 (if (not quit-config)
2597 (progn
2598 ;; Update the info -- marks might need to be removed,
2599 ;; for instance.
2600 (gnus-summary-update-info)
2601 (set-buffer gnus-group-buffer)
2602 (gnus-group-jump-to-group group)
2603 (gnus-group-next-unread-group 1))
2604 (gnus-handle-ephemeral-exit quit-config)))
2605 (gnus-message 3 "Can't select group")
2606 nil)
2607 ;; The user did a `C-g' while prompting for number of articles,
2608 ;; so we exit this group.
2609 ((eq did-select 'quit)
2610 (and (eq major-mode 'gnus-summary-mode)
2611 (not (equal (current-buffer) kill-buffer))
2612 (kill-buffer (current-buffer)))
2613 (when kill-buffer
2614 (gnus-kill-or-deaden-summary kill-buffer))
2615 (if (not quit-config)
2616 (progn
2617 (set-buffer gnus-group-buffer)
2618 (gnus-group-jump-to-group group)
2619 (gnus-group-next-unread-group 1)
2620 (gnus-configure-windows 'group 'force))
2621 (gnus-handle-ephemeral-exit quit-config))
2622 ;; Finally signal the quit.
2623 (signal 'quit nil))
2624 ;; The group was successfully selected.
2626 (gnus-set-global-variables)
2627 ;; Save the active value in effect when the group was entered.
2628 (setq gnus-newsgroup-active
2629 (gnus-copy-sequence
2630 (gnus-active gnus-newsgroup-name)))
2631 ;; You can change the summary buffer in some way with this hook.
2632 (gnus-run-hooks 'gnus-select-group-hook)
2633 ;; Set any local variables in the group parameters.
2634 (gnus-summary-set-local-parameters gnus-newsgroup-name)
2635 (gnus-update-format-specifications
2636 nil 'summary 'summary-mode 'summary-dummy)
2637 ;; Do score processing.
2638 (when gnus-use-scoring
2639 (gnus-possibly-score-headers))
2640 ;; Check whether to fill in the gaps in the threads.
2641 (when gnus-build-sparse-threads
2642 (gnus-build-sparse-threads))
2643 ;; Find the initial limit.
2644 (if gnus-show-threads
2645 (if show-all
2646 (let ((gnus-newsgroup-dormant nil))
2647 (gnus-summary-initial-limit show-all))
2648 (gnus-summary-initial-limit show-all))
2649 (setq gnus-newsgroup-limit
2650 (mapcar
2651 (lambda (header) (mail-header-number header))
2652 gnus-newsgroup-headers)))
2653 ;; Generate the summary buffer.
2654 (unless no-display
2655 (gnus-summary-prepare))
2656 (when gnus-use-trees
2657 (gnus-tree-open group)
2658 (setq gnus-summary-highlight-line-function
2659 'gnus-tree-highlight-article))
2660 ;; If the summary buffer is empty, but there are some low-scored
2661 ;; articles or some excluded dormants, we include these in the
2662 ;; buffer.
2663 (when (and (zerop (buffer-size))
2664 (not no-display))
2665 (cond (gnus-newsgroup-dormant
2666 (gnus-summary-limit-include-dormant))
2667 ((and gnus-newsgroup-scored show-all)
2668 (gnus-summary-limit-include-expunged t))))
2669 ;; Function `gnus-apply-kill-file' must be called in this hook.
2670 (gnus-run-hooks 'gnus-apply-kill-hook)
2671 (if (and (zerop (buffer-size))
2672 (not no-display))
2673 (progn
2674 ;; This newsgroup is empty.
2675 (gnus-summary-catchup-and-exit nil t)
2676 (gnus-message 6 "No unread news")
2677 (when kill-buffer
2678 (gnus-kill-or-deaden-summary kill-buffer))
2679 ;; Return nil from this function.
2680 nil)
2681 ;; Hide conversation thread subtrees. We cannot do this in
2682 ;; gnus-summary-prepare-hook since kill processing may not
2683 ;; work with hidden articles.
2684 (and gnus-show-threads
2685 gnus-thread-hide-subtree
2686 (gnus-summary-hide-all-threads))
2687 (when kill-buffer
2688 (gnus-kill-or-deaden-summary kill-buffer))
2689 ;; Show first unread article if requested.
2690 (if (and (not no-article)
2691 (not no-display)
2692 gnus-newsgroup-unreads
2693 gnus-auto-select-first)
2694 (unless (if (eq gnus-auto-select-first 'best)
2695 (gnus-summary-best-unread-article)
2696 (gnus-summary-first-unread-article))
2697 (gnus-configure-windows 'summary))
2698 ;; Don't select any articles, just move point to the first
2699 ;; article in the group.
2700 (goto-char (point-min))
2701 (gnus-summary-position-point)
2702 (gnus-configure-windows 'summary 'force)
2703 (gnus-set-mode-line 'summary))
2704 (when (get-buffer-window gnus-group-buffer t)
2705 ;; Gotta use windows, because recenter does weird stuff if
2706 ;; the current buffer ain't the displayed window.
2707 (let ((owin (selected-window)))
2708 (select-window (get-buffer-window gnus-group-buffer t))
2709 (when (gnus-group-goto-group group)
2710 (recenter))
2711 (select-window owin)))
2712 ;; Mark this buffer as "prepared".
2713 (setq gnus-newsgroup-prepared t)
2714 (gnus-run-hooks 'gnus-summary-prepared-hook)
2715 t)))))
2717 (defun gnus-summary-prepare ()
2718 "Generate the summary buffer."
2719 (interactive)
2720 (let ((buffer-read-only nil))
2721 (erase-buffer)
2722 (setq gnus-newsgroup-data nil
2723 gnus-newsgroup-data-reverse nil)
2724 (gnus-run-hooks 'gnus-summary-generate-hook)
2725 ;; Generate the buffer, either with threads or without.
2726 (when gnus-newsgroup-headers
2727 (gnus-summary-prepare-threads
2728 (if gnus-show-threads
2729 (gnus-sort-gathered-threads
2730 (funcall gnus-summary-thread-gathering-function
2731 (gnus-sort-threads
2732 (gnus-cut-threads (gnus-make-threads)))))
2733 ;; Unthreaded display.
2734 (gnus-sort-articles gnus-newsgroup-headers))))
2735 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
2736 ;; Call hooks for modifying summary buffer.
2737 (goto-char (point-min))
2738 (gnus-run-hooks 'gnus-summary-prepare-hook)))
2740 (defsubst gnus-general-simplify-subject (subject)
2741 "Simply subject by the same rules as gnus-gather-threads-by-subject."
2742 (setq subject
2743 (cond
2744 ;; Truncate the subject.
2745 (gnus-simplify-subject-functions
2746 (gnus-map-function gnus-simplify-subject-functions subject))
2747 ((numberp gnus-summary-gather-subject-limit)
2748 (setq subject (gnus-simplify-subject-re subject))
2749 (if (> (length subject) gnus-summary-gather-subject-limit)
2750 (substring subject 0 gnus-summary-gather-subject-limit)
2751 subject))
2752 ;; Fuzzily simplify it.
2753 ((eq 'fuzzy gnus-summary-gather-subject-limit)
2754 (gnus-simplify-subject-fuzzy subject))
2755 ;; Just remove the leading "Re:".
2757 (gnus-simplify-subject-re subject))))
2759 (if (and gnus-summary-gather-exclude-subject
2760 (string-match gnus-summary-gather-exclude-subject subject))
2761 nil ; This article shouldn't be gathered
2762 subject))
2764 (defun gnus-summary-simplify-subject-query ()
2765 "Query where the respool algorithm would put this article."
2766 (interactive)
2767 (gnus-summary-select-article)
2768 (message (gnus-general-simplify-subject (gnus-summary-article-subject))))
2770 (defun gnus-gather-threads-by-subject (threads)
2771 "Gather threads by looking at Subject headers."
2772 (if (not gnus-summary-make-false-root)
2773 threads
2774 (let ((hashtb (gnus-make-hashtable 1024))
2775 (prev threads)
2776 (result threads)
2777 subject hthread whole-subject)
2778 (while threads
2779 (setq subject (gnus-general-simplify-subject
2780 (setq whole-subject (mail-header-subject
2781 (caar threads)))))
2782 (when subject
2783 (if (setq hthread (gnus-gethash subject hashtb))
2784 (progn
2785 ;; We enter a dummy root into the thread, if we
2786 ;; haven't done that already.
2787 (unless (stringp (caar hthread))
2788 (setcar hthread (list whole-subject (car hthread))))
2789 ;; We add this new gathered thread to this gathered
2790 ;; thread.
2791 (setcdr (car hthread)
2792 (nconc (cdar hthread) (list (car threads))))
2793 ;; Remove it from the list of threads.
2794 (setcdr prev (cdr threads))
2795 (setq threads prev))
2796 ;; Enter this thread into the hash table.
2797 (gnus-sethash subject threads hashtb)))
2798 (setq prev threads)
2799 (setq threads (cdr threads)))
2800 result)))
2802 (defun gnus-gather-threads-by-references (threads)
2803 "Gather threads by looking at References headers."
2804 (let ((idhashtb (gnus-make-hashtable 1024))
2805 (thhashtb (gnus-make-hashtable 1024))
2806 (prev threads)
2807 (result threads)
2808 ids references id gthread gid entered ref)
2809 (while threads
2810 (when (setq references (mail-header-references (caar threads)))
2811 (setq id (mail-header-id (caar threads))
2812 ids (gnus-split-references references)
2813 entered nil)
2814 (while (setq ref (pop ids))
2815 (setq ids (delete ref ids))
2816 (if (not (setq gid (gnus-gethash ref idhashtb)))
2817 (progn
2818 (gnus-sethash ref id idhashtb)
2819 (gnus-sethash id threads thhashtb))
2820 (setq gthread (gnus-gethash gid thhashtb))
2821 (unless entered
2822 ;; We enter a dummy root into the thread, if we
2823 ;; haven't done that already.
2824 (unless (stringp (caar gthread))
2825 (setcar gthread (list (mail-header-subject (caar gthread))
2826 (car gthread))))
2827 ;; We add this new gathered thread to this gathered
2828 ;; thread.
2829 (setcdr (car gthread)
2830 (nconc (cdar gthread) (list (car threads)))))
2831 ;; Add it into the thread hash table.
2832 (gnus-sethash id gthread thhashtb)
2833 (setq entered t)
2834 ;; Remove it from the list of threads.
2835 (setcdr prev (cdr threads))
2836 (setq threads prev))))
2837 (setq prev threads)
2838 (setq threads (cdr threads)))
2839 result))
2841 (defun gnus-sort-gathered-threads (threads)
2842 "Sort subtreads inside each gathered thread by article number."
2843 (let ((result threads))
2844 (while threads
2845 (when (stringp (caar threads))
2846 (setcdr (car threads)
2847 (sort (cdar threads) 'gnus-thread-sort-by-number)))
2848 (setq threads (cdr threads)))
2849 result))
2851 (defun gnus-thread-loop-p (root thread)
2852 "Say whether ROOT is in THREAD."
2853 (let ((stack (list thread))
2854 (infloop 0)
2856 (while (setq thread (pop stack))
2857 (setq th (cdr thread))
2858 (while (and th
2859 (not (eq (caar th) root)))
2860 (pop th))
2861 (if th
2862 ;; We have found a loop.
2863 (let (ref-dep)
2864 (setcdr thread (delq (car th) (cdr thread)))
2865 (if (boundp (setq ref-dep (intern "none"
2866 gnus-newsgroup-dependencies)))
2867 (setcdr (symbol-value ref-dep)
2868 (nconc (cdr (symbol-value ref-dep))
2869 (list (car th))))
2870 (set ref-dep (list nil (car th))))
2871 (setq infloop 1
2872 stack nil))
2873 ;; Push all the subthreads onto the stack.
2874 (push (cdr thread) stack)))
2875 infloop))
2877 (defun gnus-make-threads ()
2878 "Go through the dependency hashtb and find the roots. Return all threads."
2879 (let (threads)
2880 (while (catch 'infloop
2881 (mapatoms
2882 (lambda (refs)
2883 ;; Deal with self-referencing References loops.
2884 (when (and (car (symbol-value refs))
2885 (not (zerop
2886 (apply
2888 (mapcar
2889 (lambda (thread)
2890 (gnus-thread-loop-p
2891 (car (symbol-value refs)) thread))
2892 (cdr (symbol-value refs)))))))
2893 (setq threads nil)
2894 (throw 'infloop t))
2895 (unless (car (symbol-value refs))
2896 ;; These threads do not refer back to any other articles,
2897 ;; so they're roots.
2898 (setq threads (append (cdr (symbol-value refs)) threads))))
2899 gnus-newsgroup-dependencies)))
2900 threads))
2902 ;; Build the thread tree.
2903 (defun gnus-dependencies-add-header (header dependencies force-new)
2904 "Enter HEADER into the DEPENDENCIES table if it is not already there.
2906 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
2907 if it was already present.
2909 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
2910 will not be entered in the DEPENDENCIES table. Otherwise duplicate
2911 Message-IDs will be renamed be renamed to a unique Message-ID before
2912 being entered.
2914 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
2915 (let* ((id (mail-header-id header))
2916 (id-dep (and id (intern id dependencies)))
2917 ref ref-dep ref-header)
2918 ;; Enter this `header' in the `dependencies' table.
2919 (cond
2920 ((not id-dep)
2921 (setq header nil))
2922 ;; The first two cases do the normal part: enter a new `header'
2923 ;; in the `dependencies' table.
2924 ((not (boundp id-dep))
2925 (set id-dep (list header)))
2926 ((null (car (symbol-value id-dep)))
2927 (setcar (symbol-value id-dep) header))
2929 ;; From here the `header' was already present in the
2930 ;; `dependencies' table.
2931 (force-new
2932 ;; Overrides an existing entry;
2933 ;; just set the header part of the entry.
2934 (setcar (symbol-value id-dep) header))
2936 ;; Renames the existing `header' to a unique Message-ID.
2937 ((not gnus-summary-ignore-duplicates)
2938 ;; An article with this Message-ID has already been seen.
2939 ;; We rename the Message-ID.
2940 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
2941 (list header))
2942 (mail-header-set-id header id))
2944 ;; The last case ignores an existing entry, except it adds any
2945 ;; additional Xrefs (in case the two articles came from different
2946 ;; servers.
2947 ;; Also sets `header' to `nil' meaning that the `dependencies'
2948 ;; table was *not* modified.
2950 (mail-header-set-xref
2951 (car (symbol-value id-dep))
2952 (concat (or (mail-header-xref (car (symbol-value id-dep)))
2954 (or (mail-header-xref header) "")))
2955 (setq header nil)))
2957 (when header
2958 ;; First check if that we are not creating a References loop.
2959 (setq ref (gnus-parent-id (mail-header-references header)))
2960 (while (and ref
2961 (setq ref-dep (intern-soft ref dependencies))
2962 (boundp ref-dep)
2963 (setq ref-header (car (symbol-value ref-dep))))
2964 (if (string= id ref)
2965 ;; Yuk! This is a reference loop. Make the article be a
2966 ;; root article.
2967 (progn
2968 (mail-header-set-references (car (symbol-value id-dep)) "none")
2969 (setq ref nil))
2970 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
2971 (setq ref (gnus-parent-id (mail-header-references header)))
2972 (setq ref-dep (intern (or ref "none") dependencies))
2973 (if (boundp ref-dep)
2974 (setcdr (symbol-value ref-dep)
2975 (nconc (cdr (symbol-value ref-dep))
2976 (list (symbol-value id-dep))))
2977 (set ref-dep (list nil (symbol-value id-dep)))))
2978 header))
2980 (defun gnus-build-sparse-threads ()
2981 (let ((headers gnus-newsgroup-headers)
2982 (gnus-summary-ignore-duplicates t)
2983 header references generation relations
2984 subject child end new-child date)
2985 ;; First we create an alist of generations/relations, where
2986 ;; generations is how much we trust the relation, and the relation
2987 ;; is parent/child.
2988 (gnus-message 7 "Making sparse threads...")
2989 (save-excursion
2990 (nnheader-set-temp-buffer " *gnus sparse threads*")
2991 (while (setq header (pop headers))
2992 (when (and (setq references (mail-header-references header))
2993 (not (string= references "")))
2994 (insert references)
2995 (setq child (mail-header-id header)
2996 subject (mail-header-subject header)
2997 date (mail-header-date header)
2998 generation 0)
2999 (while (search-backward ">" nil t)
3000 (setq end (1+ (point)))
3001 (when (search-backward "<" nil t)
3002 (setq new-child (buffer-substring (point) end))
3003 (push (list (incf generation)
3004 child (setq child new-child)
3005 subject date)
3006 relations)))
3007 (when child
3008 (push (list (1+ generation) child nil subject) relations))
3009 (erase-buffer)))
3010 (kill-buffer (current-buffer)))
3011 ;; Sort over trustworthiness.
3012 (mapcar
3013 (lambda (relation)
3014 (when (gnus-dependencies-add-header
3015 (make-full-mail-header
3016 gnus-reffed-article-number
3017 (nth 3 relation) "" (or (nth 4 relation) "")
3018 (nth 1 relation)
3019 (or (nth 2 relation) "") 0 0 "")
3020 gnus-newsgroup-dependencies nil)
3021 (push gnus-reffed-article-number gnus-newsgroup-limit)
3022 (push gnus-reffed-article-number gnus-newsgroup-sparse)
3023 (push (cons gnus-reffed-article-number gnus-sparse-mark)
3024 gnus-newsgroup-reads)
3025 (decf gnus-reffed-article-number)))
3026 (sort relations 'car-less-than-car))
3027 (gnus-message 7 "Making sparse threads...done")))
3029 (defun gnus-build-old-threads ()
3030 ;; Look at all the articles that refer back to old articles, and
3031 ;; fetch the headers for the articles that aren't there. This will
3032 ;; build complete threads - if the roots haven't been expired by the
3033 ;; server, that is.
3034 (let (id heads)
3035 (mapatoms
3036 (lambda (refs)
3037 (when (not (car (symbol-value refs)))
3038 (setq heads (cdr (symbol-value refs)))
3039 (while heads
3040 (if (memq (mail-header-number (caar heads))
3041 gnus-newsgroup-dormant)
3042 (setq heads (cdr heads))
3043 (setq id (symbol-name refs))
3044 (while (and (setq id (gnus-build-get-header id))
3045 (not (car (gnus-id-to-thread id)))))
3046 (setq heads nil)))))
3047 gnus-newsgroup-dependencies)))
3049 ;; The following macros and functions were written by Felix Lee
3050 ;; <flee@cse.psu.edu>.
3052 (defmacro gnus-nov-read-integer ()
3053 '(prog1
3054 (if (= (following-char) ?\t)
3056 (let ((num (ignore-errors (read buffer))))
3057 (if (numberp num) num 0)))
3058 (unless (eobp)
3059 (search-forward "\t" eol 'move))))
3061 (defmacro gnus-nov-skip-field ()
3062 '(search-forward "\t" eol 'move))
3064 (defmacro gnus-nov-field ()
3065 '(buffer-substring (point) (if (gnus-nov-skip-field) (1- (point)) eol)))
3067 ;; This function has to be called with point after the article number
3068 ;; on the beginning of the line.
3069 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
3070 (let ((eol (gnus-point-at-eol))
3071 (buffer (current-buffer))
3072 header)
3074 ;; overview: [num subject from date id refs chars lines misc]
3075 (unwind-protect
3076 (progn
3077 (narrow-to-region (point) eol)
3078 (unless (eobp)
3079 (forward-char))
3081 (setq header
3082 (make-full-mail-header
3083 number ; number
3084 (funcall
3085 gnus-unstructured-field-decoder (gnus-nov-field)) ; subject
3086 (funcall
3087 gnus-structured-field-decoder (gnus-nov-field)) ; from
3088 (gnus-nov-field) ; date
3089 (or (gnus-nov-field)
3090 (nnheader-generate-fake-message-id)) ; id
3091 (gnus-nov-field) ; refs
3092 (gnus-nov-read-integer) ; chars
3093 (gnus-nov-read-integer) ; lines
3094 (unless (= (following-char) ?\n)
3095 (gnus-nov-field))))) ; misc
3097 (widen))
3099 (when gnus-alter-header-function
3100 (funcall gnus-alter-header-function header))
3101 (gnus-dependencies-add-header header dependencies force-new)))
3103 (defun gnus-build-get-header (id)
3104 ;; Look through the buffer of NOV lines and find the header to
3105 ;; ID. Enter this line into the dependencies hash table, and return
3106 ;; the id of the parent article (if any).
3107 (let ((deps gnus-newsgroup-dependencies)
3108 found header)
3109 (prog1
3110 (save-excursion
3111 (set-buffer nntp-server-buffer)
3112 (let ((case-fold-search nil))
3113 (goto-char (point-min))
3114 (while (and (not found)
3115 (search-forward id nil t))
3116 (beginning-of-line)
3117 (setq found (looking-at
3118 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
3119 (regexp-quote id))))
3120 (or found (beginning-of-line 2)))
3121 (when found
3122 (beginning-of-line)
3123 (and
3124 (setq header (gnus-nov-parse-line
3125 (read (current-buffer)) deps))
3126 (gnus-parent-id (mail-header-references header))))))
3127 (when header
3128 (let ((number (mail-header-number header)))
3129 (push number gnus-newsgroup-limit)
3130 (push header gnus-newsgroup-headers)
3131 (if (memq number gnus-newsgroup-unselected)
3132 (progn
3133 (push number gnus-newsgroup-unreads)
3134 (setq gnus-newsgroup-unselected
3135 (delq number gnus-newsgroup-unselected)))
3136 (push number gnus-newsgroup-ancient)))))))
3138 (defun gnus-build-all-threads ()
3139 "Read all the headers."
3140 (let ((gnus-summary-ignore-duplicates t)
3141 (dependencies gnus-newsgroup-dependencies)
3142 header article)
3143 (save-excursion
3144 (set-buffer nntp-server-buffer)
3145 (let ((case-fold-search nil))
3146 (goto-char (point-min))
3147 (while (not (eobp))
3148 (ignore-errors
3149 (setq article (read (current-buffer))
3150 header (gnus-nov-parse-line
3151 article dependencies)))
3152 (when header
3153 (save-excursion
3154 (set-buffer gnus-summary-buffer)
3155 (push header gnus-newsgroup-headers)
3156 (if (memq (setq article (mail-header-number header))
3157 gnus-newsgroup-unselected)
3158 (progn
3159 (push article gnus-newsgroup-unreads)
3160 (setq gnus-newsgroup-unselected
3161 (delq article gnus-newsgroup-unselected)))
3162 (push article gnus-newsgroup-ancient)))
3163 (forward-line 1)))))))
3165 (defun gnus-summary-update-article-line (article header)
3166 "Update the line for ARTICLE using HEADERS."
3167 (let* ((id (mail-header-id header))
3168 (thread (gnus-id-to-thread id)))
3169 (unless thread
3170 (error "Article in no thread"))
3171 ;; Update the thread.
3172 (setcar thread header)
3173 (gnus-summary-goto-subject article)
3174 (let* ((datal (gnus-data-find-list article))
3175 (data (car datal))
3176 (length (when (cdr datal)
3177 (- (gnus-data-pos data)
3178 (gnus-data-pos (cadr datal)))))
3179 (buffer-read-only nil)
3180 (level (gnus-summary-thread-level)))
3181 (gnus-delete-line)
3182 (gnus-summary-insert-line
3183 header level nil (gnus-article-mark article)
3184 (memq article gnus-newsgroup-replied)
3185 (memq article gnus-newsgroup-expirable)
3186 ;; Only insert the Subject string when it's different
3187 ;; from the previous Subject string.
3188 (if (gnus-subject-equal
3189 (condition-case ()
3190 (mail-header-subject
3191 (gnus-data-header
3192 (cadr
3193 (gnus-data-find-list
3194 article
3195 (gnus-data-list t)))))
3196 ;; Error on the side of excessive subjects.
3197 (error ""))
3198 (mail-header-subject header))
3200 (mail-header-subject header))
3201 nil (cdr (assq article gnus-newsgroup-scored))
3202 (memq article gnus-newsgroup-processable))
3203 (when length
3204 (gnus-data-update-list
3205 (cdr datal) (- length (- (gnus-data-pos data) (point))))))))
3207 (defun gnus-summary-update-article (article &optional iheader)
3208 "Update ARTICLE in the summary buffer."
3209 (set-buffer gnus-summary-buffer)
3210 (let* ((header (gnus-summary-article-header article))
3211 (id (mail-header-id header))
3212 (data (gnus-data-find article))
3213 (thread (gnus-id-to-thread id))
3214 (references (mail-header-references header))
3215 (parent
3216 (gnus-id-to-thread
3217 (or (gnus-parent-id
3218 (when (and references
3219 (not (equal "" references)))
3220 references))
3221 "none")))
3222 (buffer-read-only nil)
3223 (old (car thread)))
3224 (when thread
3225 (unless iheader
3226 (setcar thread nil)
3227 (when parent
3228 (delq thread parent)))
3229 (if (gnus-summary-insert-subject id header)
3230 ;; Set the (possibly) new article number in the data structure.
3231 (gnus-data-set-number data (gnus-id-to-article id))
3232 (setcar thread old)
3233 nil))))
3235 (defun gnus-rebuild-thread (id &optional line)
3236 "Rebuild the thread containing ID.
3237 If LINE, insert the rebuilt thread starting on line LINE."
3238 (let ((buffer-read-only nil)
3239 old-pos current thread data)
3240 (if (not gnus-show-threads)
3241 (setq thread (list (car (gnus-id-to-thread id))))
3242 ;; Get the thread this article is part of.
3243 (setq thread (gnus-remove-thread id)))
3244 (setq old-pos (gnus-point-at-bol))
3245 (setq current (save-excursion
3246 (and (zerop (forward-line -1))
3247 (gnus-summary-article-number))))
3248 ;; If this is a gathered thread, we have to go some re-gathering.
3249 (when (stringp (car thread))
3250 (let ((subject (car thread))
3251 roots thr)
3252 (setq thread (cdr thread))
3253 (while thread
3254 (unless (memq (setq thr (gnus-id-to-thread
3255 (gnus-root-id
3256 (mail-header-id (caar thread)))))
3257 roots)
3258 (push thr roots))
3259 (setq thread (cdr thread)))
3260 ;; We now have all (unique) roots.
3261 (if (= (length roots) 1)
3262 ;; All the loose roots are now one solid root.
3263 (setq thread (car roots))
3264 (setq thread (cons subject (gnus-sort-threads roots))))))
3265 (let (threads)
3266 ;; We then insert this thread into the summary buffer.
3267 (when line
3268 (goto-char (point-min))
3269 (forward-line (1- line)))
3270 (let (gnus-newsgroup-data gnus-newsgroup-threads)
3271 (if gnus-show-threads
3272 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
3273 (gnus-summary-prepare-unthreaded thread))
3274 (setq data (nreverse gnus-newsgroup-data))
3275 (setq threads gnus-newsgroup-threads))
3276 ;; We splice the new data into the data structure.
3277 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
3278 ;;!!! then we want to insert at the beginning of the buffer.
3279 ;;!!! That happens to be true with Gnus now, but that may
3280 ;;!!! change in the future. Perhaps.
3281 (gnus-data-enter-list
3282 (if line nil current) data (- (point) old-pos))
3283 (setq gnus-newsgroup-threads
3284 (nconc threads gnus-newsgroup-threads))
3285 (gnus-data-compute-positions))))
3287 (defun gnus-number-to-header (number)
3288 "Return the header for article NUMBER."
3289 (let ((headers gnus-newsgroup-headers))
3290 (while (and headers
3291 (not (= number (mail-header-number (car headers)))))
3292 (pop headers))
3293 (when headers
3294 (car headers))))
3296 (defun gnus-parent-headers (in-headers &optional generation)
3297 "Return the headers of the GENERATIONeth parent of HEADERS."
3298 (unless generation
3299 (setq generation 1))
3300 (let ((parent t)
3301 (headers in-headers)
3302 references)
3303 (while (and parent
3304 (not (zerop generation))
3305 (setq references (mail-header-references headers)))
3306 (setq headers (if (and references
3307 (setq parent (gnus-parent-id references)))
3308 (car (gnus-id-to-thread parent))
3309 nil))
3310 (decf generation))
3311 (and (not (eq headers in-headers))
3312 headers)))
3314 (defun gnus-id-to-thread (id)
3315 "Return the (sub-)thread where ID appears."
3316 (gnus-gethash id gnus-newsgroup-dependencies))
3318 (defun gnus-id-to-article (id)
3319 "Return the article number of ID."
3320 (let ((thread (gnus-id-to-thread id)))
3321 (when (and thread
3322 (car thread))
3323 (mail-header-number (car thread)))))
3325 (defun gnus-id-to-header (id)
3326 "Return the article headers of ID."
3327 (car (gnus-id-to-thread id)))
3329 (defun gnus-article-displayed-root-p (article)
3330 "Say whether ARTICLE is a root(ish) article."
3331 (let ((level (gnus-summary-thread-level article))
3332 (refs (mail-header-references (gnus-summary-article-header article)))
3333 particle)
3334 (cond
3335 ((null level) nil)
3336 ((zerop level) t)
3337 ((null refs) t)
3338 ((null (gnus-parent-id refs)) t)
3339 ((and (= 1 level)
3340 (null (setq particle (gnus-id-to-article
3341 (gnus-parent-id refs))))
3342 (null (gnus-summary-thread-level particle)))))))
3344 (defun gnus-root-id (id)
3345 "Return the id of the root of the thread where ID appears."
3346 (let (last-id prev)
3347 (while (and id (setq prev (car (gnus-id-to-thread id))))
3348 (setq last-id id
3349 id (gnus-parent-id (mail-header-references prev))))
3350 last-id))
3352 (defun gnus-articles-in-thread (thread)
3353 "Return the list of articles in THREAD."
3354 (cons (mail-header-number (car thread))
3355 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
3357 (defun gnus-remove-thread (id &optional dont-remove)
3358 "Remove the thread that has ID in it."
3359 (let (headers thread last-id)
3360 ;; First go up in this thread until we find the root.
3361 (setq last-id (gnus-root-id id)
3362 headers (message-flatten-list (gnus-id-to-thread last-id)))
3363 ;; We have now found the real root of this thread. It might have
3364 ;; been gathered into some loose thread, so we have to search
3365 ;; through the threads to find the thread we wanted.
3366 (let ((threads gnus-newsgroup-threads)
3367 sub)
3368 (while threads
3369 (setq sub (car threads))
3370 (if (stringp (car sub))
3371 ;; This is a gathered thread, so we look at the roots
3372 ;; below it to find whether this article is in this
3373 ;; gathered root.
3374 (progn
3375 (setq sub (cdr sub))
3376 (while sub
3377 (when (member (caar sub) headers)
3378 (setq thread (car threads)
3379 threads nil
3380 sub nil))
3381 (setq sub (cdr sub))))
3382 ;; It's an ordinary thread, so we check it.
3383 (when (eq (car sub) (car headers))
3384 (setq thread sub
3385 threads nil)))
3386 (setq threads (cdr threads)))
3387 ;; If this article is in no thread, then it's a root.
3388 (if thread
3389 (unless dont-remove
3390 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
3391 (setq thread (gnus-id-to-thread last-id)))
3392 (when thread
3393 (prog1
3394 thread ; We return this thread.
3395 (unless dont-remove
3396 (if (stringp (car thread))
3397 (progn
3398 ;; If we use dummy roots, then we have to remove the
3399 ;; dummy root as well.
3400 (when (eq gnus-summary-make-false-root 'dummy)
3401 ;; We go to the dummy root by going to
3402 ;; the first sub-"thread", and then one line up.
3403 (gnus-summary-goto-article
3404 (mail-header-number (caadr thread)))
3405 (forward-line -1)
3406 (gnus-delete-line)
3407 (gnus-data-compute-positions))
3408 (setq thread (cdr thread))
3409 (while thread
3410 (gnus-remove-thread-1 (car thread))
3411 (setq thread (cdr thread))))
3412 (gnus-summary-show-all-threads)
3413 (gnus-remove-thread-1 thread))))))))
3415 (defun gnus-remove-thread-1 (thread)
3416 "Remove the thread THREAD recursively."
3417 (let ((number (mail-header-number (pop thread)))
3419 (setq thread (reverse thread))
3420 (while thread
3421 (gnus-remove-thread-1 (pop thread)))
3422 (when (setq d (gnus-data-find number))
3423 (goto-char (gnus-data-pos d))
3424 (gnus-data-remove
3425 number
3426 (- (gnus-point-at-bol)
3427 (prog1
3428 (1+ (gnus-point-at-eol))
3429 (gnus-delete-line)))))))
3431 (defun gnus-sort-threads (threads)
3432 "Sort THREADS."
3433 (if (not gnus-thread-sort-functions)
3434 threads
3435 (gnus-message 8 "Sorting threads...")
3436 (prog1
3437 (sort threads (gnus-make-sort-function gnus-thread-sort-functions))
3438 (gnus-message 8 "Sorting threads...done"))))
3440 (defun gnus-sort-articles (articles)
3441 "Sort ARTICLES."
3442 (when gnus-article-sort-functions
3443 (gnus-message 7 "Sorting articles...")
3444 (prog1
3445 (setq gnus-newsgroup-headers
3446 (sort articles (gnus-make-sort-function
3447 gnus-article-sort-functions)))
3448 (gnus-message 7 "Sorting articles...done"))))
3450 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
3451 (defmacro gnus-thread-header (thread)
3452 ;; Return header of first article in THREAD.
3453 ;; Note that THREAD must never, ever be anything else than a variable -
3454 ;; using some other form will lead to serious barfage.
3455 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
3456 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
3457 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207" ;
3458 (vector thread) 2))
3460 (defsubst gnus-article-sort-by-number (h1 h2)
3461 "Sort articles by article number."
3462 (< (mail-header-number h1)
3463 (mail-header-number h2)))
3465 (defun gnus-thread-sort-by-number (h1 h2)
3466 "Sort threads by root article number."
3467 (gnus-article-sort-by-number
3468 (gnus-thread-header h1) (gnus-thread-header h2)))
3470 (defsubst gnus-article-sort-by-lines (h1 h2)
3471 "Sort articles by article Lines header."
3472 (< (mail-header-lines h1)
3473 (mail-header-lines h2)))
3475 (defun gnus-thread-sort-by-lines (h1 h2)
3476 "Sort threads by root article Lines header."
3477 (gnus-article-sort-by-lines
3478 (gnus-thread-header h1) (gnus-thread-header h2)))
3480 (defsubst gnus-article-sort-by-author (h1 h2)
3481 "Sort articles by root author."
3482 (string-lessp
3483 (let ((extract (funcall
3484 gnus-extract-address-components
3485 (mail-header-from h1))))
3486 (or (car extract) (cadr extract) ""))
3487 (let ((extract (funcall
3488 gnus-extract-address-components
3489 (mail-header-from h2))))
3490 (or (car extract) (cadr extract) ""))))
3492 (defun gnus-thread-sort-by-author (h1 h2)
3493 "Sort threads by root author."
3494 (gnus-article-sort-by-author
3495 (gnus-thread-header h1) (gnus-thread-header h2)))
3497 (defsubst gnus-article-sort-by-subject (h1 h2)
3498 "Sort articles by root subject."
3499 (string-lessp
3500 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
3501 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
3503 (defun gnus-thread-sort-by-subject (h1 h2)
3504 "Sort threads by root subject."
3505 (gnus-article-sort-by-subject
3506 (gnus-thread-header h1) (gnus-thread-header h2)))
3508 (defsubst gnus-article-sort-by-date (h1 h2)
3509 "Sort articles by root article date."
3510 (gnus-time-less
3511 (gnus-date-get-time (mail-header-date h1))
3512 (gnus-date-get-time (mail-header-date h2))))
3514 (defun gnus-thread-sort-by-date (h1 h2)
3515 "Sort threads by root article date."
3516 (gnus-article-sort-by-date
3517 (gnus-thread-header h1) (gnus-thread-header h2)))
3519 (defsubst gnus-article-sort-by-score (h1 h2)
3520 "Sort articles by root article score.
3521 Unscored articles will be counted as having a score of zero."
3522 (> (or (cdr (assq (mail-header-number h1)
3523 gnus-newsgroup-scored))
3524 gnus-summary-default-score 0)
3525 (or (cdr (assq (mail-header-number h2)
3526 gnus-newsgroup-scored))
3527 gnus-summary-default-score 0)))
3529 (defun gnus-thread-sort-by-score (h1 h2)
3530 "Sort threads by root article score."
3531 (gnus-article-sort-by-score
3532 (gnus-thread-header h1) (gnus-thread-header h2)))
3534 (defun gnus-thread-sort-by-total-score (h1 h2)
3535 "Sort threads by the sum of all scores in the thread.
3536 Unscored articles will be counted as having a score of zero."
3537 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
3539 (defun gnus-thread-total-score (thread)
3540 ;; This function find the total score of THREAD.
3541 (cond ((null thread)
3543 ((consp thread)
3544 (if (stringp (car thread))
3545 (apply gnus-thread-score-function 0
3546 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
3547 (gnus-thread-total-score-1 thread)))
3549 (gnus-thread-total-score-1 (list thread)))))
3551 (defun gnus-thread-total-score-1 (root)
3552 ;; This function find the total score of the thread below ROOT.
3553 (setq root (car root))
3554 (apply gnus-thread-score-function
3555 (or (append
3556 (mapcar 'gnus-thread-total-score
3557 (cdr (gnus-id-to-thread (mail-header-id root))))
3558 (when (> (mail-header-number root) 0)
3559 (list (or (cdr (assq (mail-header-number root)
3560 gnus-newsgroup-scored))
3561 gnus-summary-default-score 0))))
3562 (list gnus-summary-default-score)
3563 '(0))))
3565 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
3566 (defvar gnus-tmp-prev-subject nil)
3567 (defvar gnus-tmp-false-parent nil)
3568 (defvar gnus-tmp-root-expunged nil)
3569 (defvar gnus-tmp-dummy-line nil)
3571 (defun gnus-summary-prepare-threads (threads)
3572 "Prepare summary buffer from THREADS and indentation LEVEL.
3573 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
3574 or a straight list of headers."
3575 (gnus-message 7 "Generating summary...")
3577 (setq gnus-newsgroup-threads threads)
3578 (beginning-of-line)
3580 (let ((gnus-tmp-level 0)
3581 (default-score (or gnus-summary-default-score 0))
3582 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
3583 thread number subject stack state gnus-tmp-gathered beg-match
3584 new-roots gnus-tmp-new-adopts thread-end
3585 gnus-tmp-header gnus-tmp-unread
3586 gnus-tmp-replied gnus-tmp-subject-or-nil
3587 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
3588 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
3589 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket)
3591 (setq gnus-tmp-prev-subject nil)
3593 (if (vectorp (car threads))
3594 ;; If this is a straight (sic) list of headers, then a
3595 ;; threaded summary display isn't required, so we just create
3596 ;; an unthreaded one.
3597 (gnus-summary-prepare-unthreaded threads)
3599 ;; Do the threaded display.
3601 (while (or threads stack gnus-tmp-new-adopts new-roots)
3603 (if (and (= gnus-tmp-level 0)
3604 (or (not stack)
3605 (= (caar stack) 0))
3606 (not gnus-tmp-false-parent)
3607 (or gnus-tmp-new-adopts new-roots))
3608 (if gnus-tmp-new-adopts
3609 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
3610 thread (list (car gnus-tmp-new-adopts))
3611 gnus-tmp-header (caar thread)
3612 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
3613 (when new-roots
3614 (setq thread (list (car new-roots))
3615 gnus-tmp-header (caar thread)
3616 new-roots (cdr new-roots))))
3618 (if threads
3619 ;; If there are some threads, we do them before the
3620 ;; threads on the stack.
3621 (setq thread threads
3622 gnus-tmp-header (caar thread))
3623 ;; There were no current threads, so we pop something off
3624 ;; the stack.
3625 (setq state (car stack)
3626 gnus-tmp-level (car state)
3627 thread (cdr state)
3628 stack (cdr stack)
3629 gnus-tmp-header (caar thread))))
3631 (setq gnus-tmp-false-parent nil)
3632 (setq gnus-tmp-root-expunged nil)
3633 (setq thread-end nil)
3635 (if (stringp gnus-tmp-header)
3636 ;; The header is a dummy root.
3637 (cond
3638 ((eq gnus-summary-make-false-root 'adopt)
3639 ;; We let the first article adopt the rest.
3640 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
3641 (cddar thread)))
3642 (setq gnus-tmp-gathered
3643 (nconc (mapcar
3644 (lambda (h) (mail-header-number (car h)))
3645 (cddar thread))
3646 gnus-tmp-gathered))
3647 (setq thread (cons (list (caar thread)
3648 (cadar thread))
3649 (cdr thread)))
3650 (setq gnus-tmp-level -1
3651 gnus-tmp-false-parent t))
3652 ((eq gnus-summary-make-false-root 'empty)
3653 ;; We print adopted articles with empty subject fields.
3654 (setq gnus-tmp-gathered
3655 (nconc (mapcar
3656 (lambda (h) (mail-header-number (car h)))
3657 (cddar thread))
3658 gnus-tmp-gathered))
3659 (setq gnus-tmp-level -1))
3660 ((eq gnus-summary-make-false-root 'dummy)
3661 ;; We remember that we probably want to output a dummy
3662 ;; root.
3663 (setq gnus-tmp-dummy-line gnus-tmp-header)
3664 (setq gnus-tmp-prev-subject gnus-tmp-header))
3666 ;; We do not make a root for the gathered
3667 ;; sub-threads at all.
3668 (setq gnus-tmp-level -1)))
3670 (setq number (mail-header-number gnus-tmp-header)
3671 subject (mail-header-subject gnus-tmp-header))
3673 (cond
3674 ;; If the thread has changed subject, we might want to make
3675 ;; this subthread into a root.
3676 ((and (null gnus-thread-ignore-subject)
3677 (not (zerop gnus-tmp-level))
3678 gnus-tmp-prev-subject
3679 (not (inline
3680 (gnus-subject-equal gnus-tmp-prev-subject subject))))
3681 (setq new-roots (nconc new-roots (list (car thread)))
3682 thread-end t
3683 gnus-tmp-header nil))
3684 ;; If the article lies outside the current limit,
3685 ;; then we do not display it.
3686 ((not (memq number gnus-newsgroup-limit))
3687 (setq gnus-tmp-gathered
3688 (nconc (mapcar
3689 (lambda (h) (mail-header-number (car h)))
3690 (cdar thread))
3691 gnus-tmp-gathered))
3692 (setq gnus-tmp-new-adopts (if (cdar thread)
3693 (append gnus-tmp-new-adopts
3694 (cdar thread))
3695 gnus-tmp-new-adopts)
3696 thread-end t
3697 gnus-tmp-header nil)
3698 (when (zerop gnus-tmp-level)
3699 (setq gnus-tmp-root-expunged t)))
3700 ;; Perhaps this article is to be marked as read?
3701 ((and gnus-summary-mark-below
3702 (< (or (cdr (assq number gnus-newsgroup-scored))
3703 default-score)
3704 gnus-summary-mark-below)
3705 ;; Don't touch sparse articles.
3706 (not (gnus-summary-article-sparse-p number))
3707 (not (gnus-summary-article-ancient-p number)))
3708 (setq gnus-newsgroup-unreads
3709 (delq number gnus-newsgroup-unreads))
3710 (if gnus-newsgroup-auto-expire
3711 (push number gnus-newsgroup-expirable)
3712 (push (cons number gnus-low-score-mark)
3713 gnus-newsgroup-reads))))
3715 (when gnus-tmp-header
3716 ;; We may have an old dummy line to output before this
3717 ;; article.
3718 (when (and gnus-tmp-dummy-line
3719 (gnus-subject-equal
3720 gnus-tmp-dummy-line
3721 (mail-header-subject gnus-tmp-header)))
3722 (gnus-summary-insert-dummy-line
3723 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
3724 (setq gnus-tmp-dummy-line nil))
3726 ;; Compute the mark.
3727 (setq gnus-tmp-unread (gnus-article-mark number))
3729 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
3730 gnus-tmp-header gnus-tmp-level)
3731 gnus-newsgroup-data)
3733 ;; Actually insert the line.
3734 (setq
3735 gnus-tmp-subject-or-nil
3736 (cond
3737 ((and gnus-thread-ignore-subject
3738 gnus-tmp-prev-subject
3739 (not (inline (gnus-subject-equal
3740 gnus-tmp-prev-subject subject))))
3741 subject)
3742 ((zerop gnus-tmp-level)
3743 (if (and (eq gnus-summary-make-false-root 'empty)
3744 (memq number gnus-tmp-gathered)
3745 gnus-tmp-prev-subject
3746 (inline (gnus-subject-equal
3747 gnus-tmp-prev-subject subject)))
3748 gnus-summary-same-subject
3749 subject))
3750 (t gnus-summary-same-subject)))
3751 (if (and (eq gnus-summary-make-false-root 'adopt)
3752 (= gnus-tmp-level 1)
3753 (memq number gnus-tmp-gathered))
3754 (setq gnus-tmp-opening-bracket ?\<
3755 gnus-tmp-closing-bracket ?\>)
3756 (setq gnus-tmp-opening-bracket ?\[
3757 gnus-tmp-closing-bracket ?\]))
3758 (setq
3759 gnus-tmp-indentation
3760 (aref gnus-thread-indent-array gnus-tmp-level)
3761 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
3762 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
3763 gnus-summary-default-score 0)
3764 gnus-tmp-score-char
3765 (if (or (null gnus-summary-default-score)
3766 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3767 gnus-summary-zcore-fuzz))
3768 ? ;space
3769 (if (< gnus-tmp-score gnus-summary-default-score)
3770 gnus-score-below-mark gnus-score-over-mark))
3771 gnus-tmp-replied
3772 (cond ((memq number gnus-newsgroup-processable)
3773 gnus-process-mark)
3774 ((memq number gnus-newsgroup-cached)
3775 gnus-cached-mark)
3776 ((memq number gnus-newsgroup-replied)
3777 gnus-replied-mark)
3778 ((memq number gnus-newsgroup-saved)
3779 gnus-saved-mark)
3780 (t gnus-unread-mark))
3781 gnus-tmp-from (mail-header-from gnus-tmp-header)
3782 gnus-tmp-name
3783 (cond
3784 ((string-match "<[^>]+> *$" gnus-tmp-from)
3785 (setq beg-match (match-beginning 0))
3786 (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
3787 (substring gnus-tmp-from (1+ (match-beginning 0))
3788 (1- (match-end 0))))
3789 (substring gnus-tmp-from 0 beg-match)))
3790 ((string-match "(.+)" gnus-tmp-from)
3791 (substring gnus-tmp-from
3792 (1+ (match-beginning 0)) (1- (match-end 0))))
3793 (t gnus-tmp-from)))
3794 (when (string= gnus-tmp-name "")
3795 (setq gnus-tmp-name gnus-tmp-from))
3796 (unless (numberp gnus-tmp-lines)
3797 (setq gnus-tmp-lines 0))
3798 (gnus-put-text-property-excluding-characters-with-faces
3799 (point)
3800 (progn (eval gnus-summary-line-format-spec) (point))
3801 'gnus-number number)
3802 (when gnus-visual-p
3803 (forward-line -1)
3804 (gnus-run-hooks 'gnus-summary-update-hook)
3805 (forward-line 1))
3807 (setq gnus-tmp-prev-subject subject)))
3809 (when (nth 1 thread)
3810 (push (cons (max 0 gnus-tmp-level) (nthcdr 1 thread)) stack))
3811 (incf gnus-tmp-level)
3812 (setq threads (if thread-end nil (cdar thread)))
3813 (unless threads
3814 (setq gnus-tmp-level 0)))))
3815 (gnus-message 7 "Generating summary...done"))
3817 (defun gnus-summary-prepare-unthreaded (headers)
3818 "Generate an unthreaded summary buffer based on HEADERS."
3819 (let (header number mark)
3821 (beginning-of-line)
3823 (while headers
3824 ;; We may have to root out some bad articles...
3825 (when (memq (setq number (mail-header-number
3826 (setq header (pop headers))))
3827 gnus-newsgroup-limit)
3828 ;; Mark article as read when it has a low score.
3829 (when (and gnus-summary-mark-below
3830 (< (or (cdr (assq number gnus-newsgroup-scored))
3831 gnus-summary-default-score 0)
3832 gnus-summary-mark-below)
3833 (not (gnus-summary-article-ancient-p number)))
3834 (setq gnus-newsgroup-unreads
3835 (delq number gnus-newsgroup-unreads))
3836 (if gnus-newsgroup-auto-expire
3837 (push number gnus-newsgroup-expirable)
3838 (push (cons number gnus-low-score-mark)
3839 gnus-newsgroup-reads)))
3841 (setq mark (gnus-article-mark number))
3842 (push (gnus-data-make number mark (1+ (point)) header 0)
3843 gnus-newsgroup-data)
3844 (gnus-summary-insert-line
3845 header 0 number
3846 mark (memq number gnus-newsgroup-replied)
3847 (memq number gnus-newsgroup-expirable)
3848 (mail-header-subject header) nil
3849 (cdr (assq number gnus-newsgroup-scored))
3850 (memq number gnus-newsgroup-processable))))))
3852 (defun gnus-select-newsgroup (group &optional read-all select-articles)
3853 "Select newsgroup GROUP.
3854 If READ-ALL is non-nil, all articles in the group are selected.
3855 If SELECT-ARTICLES, only select those articles from GROUP."
3856 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
3857 ;;!!! Dirty hack; should be removed.
3858 (gnus-summary-ignore-duplicates
3859 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
3861 gnus-summary-ignore-duplicates))
3862 (info (nth 2 entry))
3863 articles fetched-articles cached)
3865 (unless (gnus-check-server
3866 (setq gnus-current-select-method
3867 (gnus-find-method-for-group group)))
3868 (error "Couldn't open server"))
3870 (or (and entry (not (eq (car entry) t))) ; Either it's active...
3871 (gnus-activate-group group) ; Or we can activate it...
3872 (progn ; Or we bug out.
3873 (when (equal major-mode 'gnus-summary-mode)
3874 (kill-buffer (current-buffer)))
3875 (error "Couldn't request group %s: %s"
3876 group (gnus-status-message group))))
3878 (unless (gnus-request-group group t)
3879 (when (equal major-mode 'gnus-summary-mode)
3880 (kill-buffer (current-buffer)))
3881 (error "Couldn't request group %s: %s"
3882 group (gnus-status-message group)))
3884 (setq gnus-newsgroup-name group)
3885 (setq gnus-newsgroup-unselected nil)
3886 (setq gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
3888 ;; Adjust and set lists of article marks.
3889 (when info
3890 (gnus-adjust-marked-articles info))
3892 ;; Kludge to avoid having cached articles nixed out in virtual groups.
3893 (when (gnus-virtual-group-p group)
3894 (setq cached gnus-newsgroup-cached))
3896 (setq gnus-newsgroup-unreads
3897 (gnus-set-difference
3898 (gnus-set-difference gnus-newsgroup-unreads gnus-newsgroup-marked)
3899 gnus-newsgroup-dormant))
3901 (setq gnus-newsgroup-processable nil)
3903 (gnus-update-read-articles group gnus-newsgroup-unreads)
3905 (if (setq articles select-articles)
3906 (setq gnus-newsgroup-unselected
3907 (gnus-sorted-intersection
3908 gnus-newsgroup-unreads
3909 (gnus-sorted-complement gnus-newsgroup-unreads articles)))
3910 (setq articles (gnus-articles-to-read group read-all)))
3912 (cond
3913 ((null articles)
3914 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
3915 'quit)
3916 ((eq articles 0) nil)
3918 ;; Init the dependencies hash table.
3919 (setq gnus-newsgroup-dependencies
3920 (gnus-make-hashtable (length articles)))
3921 ;; Retrieve the headers and read them in.
3922 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
3923 (setq gnus-newsgroup-headers
3924 (if (eq 'nov
3925 (setq gnus-headers-retrieved-by
3926 (gnus-retrieve-headers
3927 articles gnus-newsgroup-name
3928 ;; We might want to fetch old headers, but
3929 ;; not if there is only 1 article.
3930 (and (or (and
3931 (not (eq gnus-fetch-old-headers 'some))
3932 (not (numberp gnus-fetch-old-headers)))
3933 (> (length articles) 1))
3934 gnus-fetch-old-headers))))
3935 (gnus-get-newsgroup-headers-xover
3936 articles nil nil gnus-newsgroup-name t)
3937 (gnus-get-newsgroup-headers)))
3938 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name)
3940 ;; Kludge to avoid having cached articles nixed out in virtual groups.
3941 (when cached
3942 (setq gnus-newsgroup-cached cached))
3944 ;; Suppress duplicates?
3945 (when gnus-suppress-duplicates
3946 (gnus-dup-suppress-articles))
3948 ;; Set the initial limit.
3949 (setq gnus-newsgroup-limit (copy-sequence articles))
3950 ;; Remove canceled articles from the list of unread articles.
3951 (setq gnus-newsgroup-unreads
3952 (gnus-set-sorted-intersection
3953 gnus-newsgroup-unreads
3954 (setq fetched-articles
3955 (mapcar (lambda (headers) (mail-header-number headers))
3956 gnus-newsgroup-headers))))
3957 ;; Removed marked articles that do not exist.
3958 (gnus-update-missing-marks
3959 (gnus-sorted-complement fetched-articles articles))
3960 ;; We might want to build some more threads first.
3961 (when (and gnus-fetch-old-headers
3962 (eq gnus-headers-retrieved-by 'nov))
3963 (if (eq gnus-fetch-old-headers 'invisible)
3964 (gnus-build-all-threads)
3965 (gnus-build-old-threads)))
3966 ;; Let the Gnus agent mark articles as read.
3967 (when gnus-agent
3968 (gnus-agent-get-undownloaded-list))
3969 ;; Check whether auto-expire is to be done in this group.
3970 (setq gnus-newsgroup-auto-expire
3971 (gnus-group-auto-expirable-p group))
3972 ;; Set up the article buffer now, if necessary.
3973 (unless gnus-single-article-buffer
3974 (gnus-article-setup-buffer))
3975 ;; First and last article in this newsgroup.
3976 (when gnus-newsgroup-headers
3977 (setq gnus-newsgroup-begin
3978 (mail-header-number (car gnus-newsgroup-headers))
3979 gnus-newsgroup-end
3980 (mail-header-number
3981 (gnus-last-element gnus-newsgroup-headers))))
3982 ;; GROUP is successfully selected.
3983 (or gnus-newsgroup-headers t)))))
3985 (defun gnus-articles-to-read (group &optional read-all)
3986 ;; Find out what articles the user wants to read.
3987 (let* ((articles
3988 ;; Select all articles if `read-all' is non-nil, or if there
3989 ;; are no unread articles.
3990 (if (or read-all
3991 (and (zerop (length gnus-newsgroup-marked))
3992 (zerop (length gnus-newsgroup-unreads)))
3993 (eq (gnus-group-find-parameter group 'display)
3994 'all))
3995 (gnus-uncompress-range (gnus-active group))
3996 (sort (append gnus-newsgroup-dormant gnus-newsgroup-marked
3997 (copy-sequence gnus-newsgroup-unreads))
3998 '<)))
3999 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
4000 (scored (length scored-list))
4001 (number (length articles))
4002 (marked (+ (length gnus-newsgroup-marked)
4003 (length gnus-newsgroup-dormant)))
4004 (select
4005 (cond
4006 ((numberp read-all)
4007 read-all)
4009 (condition-case ()
4010 (cond
4011 ((and (or (<= scored marked) (= scored number))
4012 (numberp gnus-large-newsgroup)
4013 (> number gnus-large-newsgroup))
4014 (let ((input
4015 (read-string
4016 (format
4017 "How many articles from %s (default %d): "
4018 (gnus-limit-string gnus-newsgroup-name 35)
4019 number))))
4020 (if (string-match "^[ \t]*$" input) number input)))
4021 ((and (> scored marked) (< scored number)
4022 (> (- scored number) 20))
4023 (let ((input
4024 (read-string
4025 (format "%s %s (%d scored, %d total): "
4026 "How many articles from"
4027 group scored number))))
4028 (if (string-match "^[ \t]*$" input)
4029 number input)))
4030 (t number))
4031 (quit nil))))))
4032 (setq select (if (stringp select) (string-to-number select) select))
4033 (if (or (null select) (zerop select))
4034 select
4035 (if (and (not (zerop scored)) (<= (abs select) scored))
4036 (progn
4037 (setq articles (sort scored-list '<))
4038 (setq number (length articles)))
4039 (setq articles (copy-sequence articles)))
4041 (when (< (abs select) number)
4042 (if (< select 0)
4043 ;; Select the N oldest articles.
4044 (setcdr (nthcdr (1- (abs select)) articles) nil)
4045 ;; Select the N most recent articles.
4046 (setq articles (nthcdr (- number select) articles))))
4047 (setq gnus-newsgroup-unselected
4048 (gnus-sorted-intersection
4049 gnus-newsgroup-unreads
4050 (gnus-sorted-complement gnus-newsgroup-unreads articles)))
4051 articles)))
4053 (defun gnus-killed-articles (killed articles)
4054 (let (out)
4055 (while articles
4056 (when (inline (gnus-member-of-range (car articles) killed))
4057 (push (car articles) out))
4058 (setq articles (cdr articles)))
4059 out))
4061 (defun gnus-uncompress-marks (marks)
4062 "Uncompress the mark ranges in MARKS."
4063 (let ((uncompressed '(score bookmark))
4064 out)
4065 (while marks
4066 (if (memq (caar marks) uncompressed)
4067 (push (car marks) out)
4068 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
4069 (setq marks (cdr marks)))
4070 out))
4072 (defun gnus-adjust-marked-articles (info)
4073 "Set all article lists and remove all marks that are no longer legal."
4074 (let* ((marked-lists (gnus-info-marks info))
4075 (active (gnus-active (gnus-info-group info)))
4076 (min (car active))
4077 (max (cdr active))
4078 (types gnus-article-mark-lists)
4079 (uncompressed '(score bookmark killed))
4080 marks var articles article mark)
4082 (while marked-lists
4083 (setq marks (pop marked-lists))
4084 (set (setq var (intern (format "gnus-newsgroup-%s"
4085 (car (rassq (setq mark (car marks))
4086 types)))))
4087 (if (memq (car marks) uncompressed) (cdr marks)
4088 (gnus-uncompress-range (cdr marks))))
4090 (setq articles (symbol-value var))
4092 ;; All articles have to be subsets of the active articles.
4093 (cond
4094 ;; Adjust "simple" lists.
4095 ((memq mark '(tick dormant expire reply save))
4096 (while articles
4097 (when (or (< (setq article (pop articles)) min) (> article max))
4098 (set var (delq article (symbol-value var))))))
4099 ;; Adjust assocs.
4100 ((memq mark uncompressed)
4101 (when (not (listp (cdr (symbol-value var))))
4102 (set var (list (symbol-value var))))
4103 (when (not (listp (cdr articles)))
4104 (setq articles (list articles)))
4105 (while articles
4106 (when (or (not (consp (setq article (pop articles))))
4107 (< (car article) min)
4108 (> (car article) max))
4109 (set var (delq article (symbol-value var))))))))))
4111 (defun gnus-update-missing-marks (missing)
4112 "Go through the list of MISSING articles and remove them from the mark lists."
4113 (when missing
4114 (let ((types gnus-article-mark-lists)
4115 var m)
4116 ;; Go through all types.
4117 (while types
4118 (setq var (intern (format "gnus-newsgroup-%s" (car (pop types)))))
4119 (when (symbol-value var)
4120 ;; This list has articles. So we delete all missing articles
4121 ;; from it.
4122 (setq m missing)
4123 (while m
4124 (set var (delq (pop m) (symbol-value var)))))))))
4126 (defun gnus-update-marks ()
4127 "Enter the various lists of marked articles into the newsgroup info list."
4128 (let ((types gnus-article-mark-lists)
4129 (info (gnus-get-info gnus-newsgroup-name))
4130 (uncompressed '(score bookmark killed))
4131 type list newmarked symbol)
4132 (when info
4133 ;; Add all marks lists that are non-nil to the list of marks lists.
4134 (while (setq type (pop types))
4135 (when (setq list (symbol-value
4136 (setq symbol
4137 (intern (format "gnus-newsgroup-%s"
4138 (car type))))))
4140 ;; Get rid of the entries of the articles that have the
4141 ;; default score.
4142 (when (and (eq (cdr type) 'score)
4143 gnus-save-score
4144 list)
4145 (let* ((arts list)
4146 (prev (cons nil list))
4147 (all prev))
4148 (while arts
4149 (if (or (not (consp (car arts)))
4150 (= (cdar arts) gnus-summary-default-score))
4151 (setcdr prev (cdr arts))
4152 (setq prev arts))
4153 (setq arts (cdr arts)))
4154 (setq list (cdr all))))
4156 (push (cons (cdr type)
4157 (if (memq (cdr type) uncompressed) list
4158 (gnus-compress-sequence
4159 (set symbol (sort list '<)) t)))
4160 newmarked)))
4162 ;; Enter these new marks into the info of the group.
4163 (if (nthcdr 3 info)
4164 (setcar (nthcdr 3 info) newmarked)
4165 ;; Add the marks lists to the end of the info.
4166 (when newmarked
4167 (setcdr (nthcdr 2 info) (list newmarked))))
4169 ;; Cut off the end of the info if there's nothing else there.
4170 (let ((i 5))
4171 (while (and (> i 2)
4172 (not (nth i info)))
4173 (when (nthcdr (decf i) info)
4174 (setcdr (nthcdr i info) nil)))))))
4176 (defun gnus-set-mode-line (where)
4177 "This function sets the mode line of the article or summary buffers.
4178 If WHERE is `summary', the summary mode line format will be used."
4179 ;; Is this mode line one we keep updated?
4180 (when (memq where gnus-updated-mode-lines)
4181 (let (mode-string)
4182 (save-excursion
4183 ;; We evaluate this in the summary buffer since these
4184 ;; variables are buffer-local to that buffer.
4185 (set-buffer gnus-summary-buffer)
4186 ;; We bind all these variables that are used in the `eval' form
4187 ;; below.
4188 (let* ((mformat (symbol-value
4189 (intern
4190 (format "gnus-%s-mode-line-format-spec" where))))
4191 (gnus-tmp-group-name gnus-newsgroup-name)
4192 (gnus-tmp-article-number (or gnus-current-article 0))
4193 (gnus-tmp-unread gnus-newsgroup-unreads)
4194 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
4195 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
4196 (gnus-tmp-unread-and-unselected
4197 (cond ((and (zerop gnus-tmp-unread-and-unticked)
4198 (zerop gnus-tmp-unselected))
4200 ((zerop gnus-tmp-unselected)
4201 (format "{%d more}" gnus-tmp-unread-and-unticked))
4202 (t (format "{%d(+%d) more}"
4203 gnus-tmp-unread-and-unticked
4204 gnus-tmp-unselected))))
4205 (gnus-tmp-subject
4206 (if (and gnus-current-headers
4207 (vectorp gnus-current-headers))
4208 (gnus-mode-string-quote
4209 (mail-header-subject gnus-current-headers))
4210 ""))
4211 bufname-length max-len
4212 gnus-tmp-header);; passed as argument to any user-format-funcs
4213 (setq mode-string (eval mformat))
4214 (setq bufname-length (if (string-match "%b" mode-string)
4215 (- (length
4216 (buffer-name
4217 (if (eq where 'summary)
4219 (get-buffer gnus-article-buffer))))
4222 (setq max-len (max 4 (if gnus-mode-non-string-length
4223 (- (window-width)
4224 gnus-mode-non-string-length
4225 bufname-length)
4226 (length mode-string))))
4227 ;; We might have to chop a bit of the string off...
4228 (when (> (length mode-string) max-len)
4229 (setq mode-string
4230 (concat (gnus-truncate-string mode-string (- max-len 3))
4231 "...")))
4232 ;; Pad the mode string a bit.
4233 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
4234 ;; Update the mode line.
4235 (setq mode-line-buffer-identification
4236 (gnus-mode-line-buffer-identification (list mode-string)))
4237 (set-buffer-modified-p t))))
4239 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
4240 "Go through the HEADERS list and add all Xrefs to a hash table.
4241 The resulting hash table is returned, or nil if no Xrefs were found."
4242 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
4243 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
4244 (xref-hashtb (gnus-make-hashtable))
4245 start group entry number xrefs header)
4246 (while headers
4247 (setq header (pop headers))
4248 (when (and (setq xrefs (mail-header-xref header))
4249 (not (memq (setq number (mail-header-number header))
4250 unreads)))
4251 (setq start 0)
4252 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
4253 (setq start (match-end 0))
4254 (setq group (if prefix
4255 (concat prefix (substring xrefs (match-beginning 1)
4256 (match-end 1)))
4257 (substring xrefs (match-beginning 1) (match-end 1))))
4258 (setq number
4259 (string-to-int (substring xrefs (match-beginning 2)
4260 (match-end 2))))
4261 (if (setq entry (gnus-gethash group xref-hashtb))
4262 (setcdr entry (cons number (cdr entry)))
4263 (gnus-sethash group (cons number nil) xref-hashtb)))))
4264 (and start xref-hashtb)))
4266 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
4267 "Look through all the headers and mark the Xrefs as read."
4268 (let ((virtual (gnus-virtual-group-p from-newsgroup))
4269 name entry info xref-hashtb idlist method nth4)
4270 (save-excursion
4271 (set-buffer gnus-group-buffer)
4272 (when (setq xref-hashtb
4273 (gnus-create-xref-hashtb from-newsgroup headers unreads))
4274 (mapatoms
4275 (lambda (group)
4276 (unless (string= from-newsgroup (setq name (symbol-name group)))
4277 (setq idlist (symbol-value group))
4278 ;; Dead groups are not updated.
4279 (and (prog1
4280 (setq entry (gnus-gethash name gnus-newsrc-hashtb)
4281 info (nth 2 entry))
4282 (when (stringp (setq nth4 (gnus-info-method info)))
4283 (setq nth4 (gnus-server-to-method nth4))))
4284 ;; Only do the xrefs if the group has the same
4285 ;; select method as the group we have just read.
4286 (or (gnus-methods-equal-p
4287 nth4 (gnus-find-method-for-group from-newsgroup))
4288 virtual
4289 (equal nth4 (setq method (gnus-find-method-for-group
4290 from-newsgroup)))
4291 (and (equal (car nth4) (car method))
4292 (equal (nth 1 nth4) (nth 1 method))))
4293 gnus-use-cross-reference
4294 (or (not (eq gnus-use-cross-reference t))
4295 virtual
4296 ;; Only do cross-references on subscribed
4297 ;; groups, if that is what is wanted.
4298 (<= (gnus-info-level info) gnus-level-subscribed))
4299 (gnus-group-make-articles-read name idlist))))
4300 xref-hashtb)))))
4302 (defun gnus-compute-read-articles (group articles)
4303 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
4304 (info (nth 2 entry))
4305 (active (gnus-active group))
4306 ninfo)
4307 (when entry
4308 ;; First peel off all illegal article numbers.
4309 (when active
4310 (let ((ids articles)
4311 id first)
4312 (while (setq id (pop ids))
4313 (when (and first (> id (cdr active)))
4314 ;; We'll end up in this situation in one particular
4315 ;; obscure situation. If you re-scan a group and get
4316 ;; a new article that is cross-posted to a different
4317 ;; group that has not been re-scanned, you might get
4318 ;; crossposted article that has a higher number than
4319 ;; Gnus believes possible. So we re-activate this
4320 ;; group as well. This might mean doing the
4321 ;; crossposting thingy will *increase* the number
4322 ;; of articles in some groups. Tsk, tsk.
4323 (setq active (or (gnus-activate-group group) active)))
4324 (when (or (> id (cdr active))
4325 (< id (car active)))
4326 (setq articles (delq id articles))))))
4327 ;; If the read list is nil, we init it.
4328 (if (and active
4329 (null (gnus-info-read info))
4330 (> (car active) 1))
4331 (setq ninfo (cons 1 (1- (car active))))
4332 (setq ninfo (gnus-info-read info)))
4333 ;; Then we add the read articles to the range.
4334 (gnus-add-to-range
4335 ninfo (setq articles (sort articles '<))))))
4337 (defun gnus-group-make-articles-read (group articles)
4338 "Update the info of GROUP to say that ARTICLES are read."
4339 (let* ((num 0)
4340 (entry (gnus-gethash group gnus-newsrc-hashtb))
4341 (info (nth 2 entry))
4342 (active (gnus-active group))
4343 range)
4344 (when entry
4345 (setq range (gnus-compute-read-articles group articles))
4346 (save-excursion
4347 (set-buffer gnus-group-buffer)
4348 (gnus-undo-register
4349 `(progn
4350 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
4351 (gnus-info-set-read ',info ',(gnus-info-read info))
4352 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
4353 (gnus-group-update-group ,group t))))
4354 ;; Add the read articles to the range.
4355 (gnus-info-set-read info range)
4356 ;; Then we have to re-compute how many unread
4357 ;; articles there are in this group.
4358 (when active
4359 (cond
4360 ((not range)
4361 (setq num (- (1+ (cdr active)) (car active))))
4362 ((not (listp (cdr range)))
4363 (setq num (- (cdr active) (- (1+ (cdr range))
4364 (car range)))))
4366 (while range
4367 (if (numberp (car range))
4368 (setq num (1+ num))
4369 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
4370 (setq range (cdr range)))
4371 (setq num (- (cdr active) num))))
4372 ;; Update the number of unread articles.
4373 (setcar entry num)
4374 ;; Update the group buffer.
4375 (gnus-group-update-group group t)))))
4377 (defun gnus-methods-equal-p (m1 m2)
4378 (let ((m1 (or m1 gnus-select-method))
4379 (m2 (or m2 gnus-select-method)))
4380 (or (equal m1 m2)
4381 (and (eq (car m1) (car m2))
4382 (or (not (memq 'address (assoc (symbol-name (car m1))
4383 gnus-valid-select-methods)))
4384 (equal (nth 1 m1) (nth 1 m2)))))))
4386 (defvar gnus-newsgroup-none-id 0)
4388 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
4389 (let ((cur nntp-server-buffer)
4390 (dependencies
4391 (or dependencies
4392 (save-excursion (set-buffer gnus-summary-buffer)
4393 gnus-newsgroup-dependencies)))
4394 headers id end ref)
4395 (save-excursion
4396 (set-buffer nntp-server-buffer)
4397 ;; Translate all TAB characters into SPACE characters.
4398 (subst-char-in-region (point-min) (point-max) ?\t ? t)
4399 (gnus-run-hooks 'gnus-parse-headers-hook)
4400 (let ((case-fold-search t)
4401 in-reply-to header p lines chars)
4402 (goto-char (point-min))
4403 ;; Search to the beginning of the next header. Error messages
4404 ;; do not begin with 2 or 3.
4405 (while (re-search-forward "^[23][0-9]+ " nil t)
4406 (setq id nil
4407 ref nil)
4408 ;; This implementation of this function, with nine
4409 ;; search-forwards instead of the one re-search-forward and
4410 ;; a case (which basically was the old function) is actually
4411 ;; about twice as fast, even though it looks messier. You
4412 ;; can't have everything, I guess. Speed and elegance
4413 ;; doesn't always go hand in hand.
4414 (setq
4415 header
4416 (vector
4417 ;; Number.
4418 (prog1
4419 (read cur)
4420 (end-of-line)
4421 (setq p (point))
4422 (narrow-to-region (point)
4423 (or (and (search-forward "\n.\n" nil t)
4424 (- (point) 2))
4425 (point))))
4426 ;; Subject.
4427 (progn
4428 (goto-char p)
4429 (if (search-forward "\nsubject: " nil t)
4430 (funcall
4431 gnus-unstructured-field-decoder (nnheader-header-value))
4432 "(none)"))
4433 ;; From.
4434 (progn
4435 (goto-char p)
4436 (if (search-forward "\nfrom: " nil t)
4437 (funcall
4438 gnus-structured-field-decoder (nnheader-header-value))
4439 "(nobody)"))
4440 ;; Date.
4441 (progn
4442 (goto-char p)
4443 (if (search-forward "\ndate: " nil t)
4444 (nnheader-header-value) ""))
4445 ;; Message-ID.
4446 (progn
4447 (goto-char p)
4448 (setq id (if (re-search-forward
4449 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
4450 ;; We do it this way to make sure the Message-ID
4451 ;; is (somewhat) syntactically valid.
4452 (buffer-substring (match-beginning 1)
4453 (match-end 1))
4454 ;; If there was no message-id, we just fake one
4455 ;; to make subsequent routines simpler.
4456 (nnheader-generate-fake-message-id))))
4457 ;; References.
4458 (progn
4459 (goto-char p)
4460 (if (search-forward "\nreferences: " nil t)
4461 (progn
4462 (setq end (point))
4463 (prog1
4464 (nnheader-header-value)
4465 (setq ref
4466 (buffer-substring
4467 (progn
4468 (end-of-line)
4469 (search-backward ">" end t)
4470 (1+ (point)))
4471 (progn
4472 (search-backward "<" end t)
4473 (point))))))
4474 ;; Get the references from the in-reply-to header if there
4475 ;; were no references and the in-reply-to header looks
4476 ;; promising.
4477 (if (and (search-forward "\nin-reply-to: " nil t)
4478 (setq in-reply-to (nnheader-header-value))
4479 (string-match "<[^>]+>" in-reply-to))
4480 (let (ref2)
4481 (setq ref (substring in-reply-to (match-beginning 0)
4482 (match-end 0)))
4483 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
4484 (setq ref2 (substring in-reply-to (match-beginning 0)
4485 (match-end 0)))
4486 (when (> (length ref2) (length ref))
4487 (setq ref ref2)))
4488 ref)
4489 (setq ref nil))))
4490 ;; Chars.
4491 (progn
4492 (goto-char p)
4493 (if (search-forward "\nchars: " nil t)
4494 (if (numberp (setq chars (ignore-errors (read cur))))
4495 chars 0)
4497 ;; Lines.
4498 (progn
4499 (goto-char p)
4500 (if (search-forward "\nlines: " nil t)
4501 (if (numberp (setq lines (ignore-errors (read cur))))
4502 lines 0)
4504 ;; Xref.
4505 (progn
4506 (goto-char p)
4507 (and (search-forward "\nxref: " nil t)
4508 (nnheader-header-value)))))
4509 (when (equal id ref)
4510 (setq ref nil))
4512 (when gnus-alter-header-function
4513 (funcall gnus-alter-header-function header)
4514 (setq id (mail-header-id header)
4515 ref (gnus-parent-id (mail-header-references header))))
4517 (when (setq header
4518 (gnus-dependencies-add-header
4519 header dependencies force-new))
4520 (push header headers))
4521 (goto-char (point-max))
4522 (widen))
4523 (nreverse headers)))))
4525 ;; Goes through the xover lines and returns a list of vectors
4526 (defun gnus-get-newsgroup-headers-xover (sequence &optional
4527 force-new dependencies
4528 group also-fetch-heads)
4529 "Parse the news overview data in the server buffer, and return a
4530 list of headers that match SEQUENCE (see `nntp-retrieve-headers')."
4531 ;; Get the Xref when the users reads the articles since most/some
4532 ;; NNTP servers do not include Xrefs when using XOVER.
4533 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
4534 (let ((cur nntp-server-buffer)
4535 (dependencies (or dependencies gnus-newsgroup-dependencies))
4536 number headers header)
4537 (save-excursion
4538 (set-buffer nntp-server-buffer)
4539 ;; Allow the user to mangle the headers before parsing them.
4540 (gnus-run-hooks 'gnus-parse-headers-hook)
4541 (goto-char (point-min))
4542 (while (not (eobp))
4543 (condition-case ()
4544 (while (and sequence (not (eobp)))
4545 (setq number (read cur))
4546 (while (and sequence
4547 (< (car sequence) number))
4548 (setq sequence (cdr sequence)))
4549 (and sequence
4550 (eq number (car sequence))
4551 (progn
4552 (setq sequence (cdr sequence))
4553 (setq header (inline
4554 (gnus-nov-parse-line
4555 number dependencies force-new))))
4556 (push header headers))
4557 (forward-line 1))
4558 (error
4559 (gnus-error 4 "Strange nov line (%d)"
4560 (count-lines (point-min) (point)))))
4561 (forward-line 1))
4562 ;; A common bug in inn is that if you have posted an article and
4563 ;; then retrieves the active file, it will answer correctly --
4564 ;; the new article is included. However, a NOV entry for the
4565 ;; article may not have been generated yet, so this may fail.
4566 ;; We work around this problem by retrieving the last few
4567 ;; headers using HEAD.
4568 (if (or (not also-fetch-heads)
4569 (not sequence))
4570 ;; We (probably) got all the headers.
4571 (nreverse headers)
4572 (let ((gnus-nov-is-evil t))
4573 (nconc
4574 (nreverse headers)
4575 (when (gnus-retrieve-headers sequence group)
4576 (gnus-get-newsgroup-headers))))))))
4578 (defun gnus-article-get-xrefs ()
4579 "Fill in the Xref value in `gnus-current-headers', if necessary.
4580 This is meant to be called in `gnus-article-internal-prepare-hook'."
4581 (let ((headers (save-excursion (set-buffer gnus-summary-buffer)
4582 gnus-current-headers)))
4583 (or (not gnus-use-cross-reference)
4584 (not headers)
4585 (and (mail-header-xref headers)
4586 (not (string= (mail-header-xref headers) "")))
4587 (let ((case-fold-search t)
4588 xref)
4589 (save-restriction
4590 (nnheader-narrow-to-headers)
4591 (goto-char (point-min))
4592 (when (or (and (eq (downcase (following-char)) ?x)
4593 (looking-at "Xref:"))
4594 (search-forward "\nXref:" nil t))
4595 (goto-char (1+ (match-end 0)))
4596 (setq xref (buffer-substring (point)
4597 (progn (end-of-line) (point))))
4598 (mail-header-set-xref headers xref)))))))
4600 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
4601 "Find article ID and insert the summary line for that article.
4602 OLD-HEADER can either be a header or a line number to insert
4603 the subject line on."
4604 (let* ((line (and (numberp old-header) old-header))
4605 (old-header (and (vectorp old-header) old-header))
4606 (header (cond ((and old-header use-old-header)
4607 old-header)
4608 ((and (numberp id)
4609 (gnus-number-to-header id))
4610 (gnus-number-to-header id))
4612 (gnus-read-header id))))
4613 (number (and (numberp id) id))
4615 (when header
4616 ;; Rebuild the thread that this article is part of and go to the
4617 ;; article we have fetched.
4618 (when (and (not gnus-show-threads)
4619 old-header)
4620 (when (and number
4621 (setq d (gnus-data-find (mail-header-number old-header))))
4622 (goto-char (gnus-data-pos d))
4623 (gnus-data-remove
4624 number
4625 (- (gnus-point-at-bol)
4626 (prog1
4627 (1+ (gnus-point-at-eol))
4628 (gnus-delete-line))))))
4629 (when old-header
4630 (mail-header-set-number header (mail-header-number old-header)))
4631 (setq gnus-newsgroup-sparse
4632 (delq (setq number (mail-header-number header))
4633 gnus-newsgroup-sparse))
4634 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
4635 (push number gnus-newsgroup-limit)
4636 (gnus-rebuild-thread (mail-header-id header) line)
4637 (gnus-summary-goto-subject number nil t))
4638 (when (and (numberp number)
4639 (> number 0))
4640 ;; We have to update the boundaries even if we can't fetch the
4641 ;; article if ID is a number -- so that the next `P' or `N'
4642 ;; command will fetch the previous (or next) article even
4643 ;; if the one we tried to fetch this time has been canceled.
4644 (when (> number gnus-newsgroup-end)
4645 (setq gnus-newsgroup-end number))
4646 (when (< number gnus-newsgroup-begin)
4647 (setq gnus-newsgroup-begin number))
4648 (setq gnus-newsgroup-unselected
4649 (delq number gnus-newsgroup-unselected)))
4650 ;; Report back a success?
4651 (and header (mail-header-number header))))
4653 ;;; Process/prefix in the summary buffer
4655 (defun gnus-summary-work-articles (n)
4656 "Return a list of articles to be worked upon.
4657 The prefix argument, the list of process marked articles, and the
4658 current article will be taken into consideration."
4659 (save-excursion
4660 (set-buffer gnus-summary-buffer)
4661 (cond
4663 ;; A numerical prefix has been given.
4664 (setq n (prefix-numeric-value n))
4665 (let ((backward (< n 0))
4666 (n (abs (prefix-numeric-value n)))
4667 articles article)
4668 (save-excursion
4669 (while
4670 (and (> n 0)
4671 (push (setq article (gnus-summary-article-number))
4672 articles)
4673 (if backward
4674 (gnus-summary-find-prev nil article)
4675 (gnus-summary-find-next nil article)))
4676 (decf n)))
4677 (nreverse articles)))
4678 ((and (gnus-region-active-p) (mark))
4679 (message "region active")
4680 ;; Work on the region between point and mark.
4681 (let ((max (max (point) (mark)))
4682 articles article)
4683 (save-excursion
4684 (goto-char (min (min (point) (mark))))
4685 (while
4686 (and
4687 (push (setq article (gnus-summary-article-number)) articles)
4688 (gnus-summary-find-next nil article)
4689 (< (point) max)))
4690 (nreverse articles))))
4691 (gnus-newsgroup-processable
4692 ;; There are process-marked articles present.
4693 ;; Save current state.
4694 (gnus-summary-save-process-mark)
4695 ;; Return the list.
4696 (reverse gnus-newsgroup-processable))
4698 ;; Just return the current article.
4699 (list (gnus-summary-article-number))))))
4701 (defmacro gnus-summary-iterate (arg &rest forms)
4702 "Iterate over the process/prefixed articles and do FORMS.
4703 ARG is the interactive prefix given to the command. FORMS will be
4704 executed with point over the summary line of the articles."
4705 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
4706 `(let ((,articles (gnus-summary-work-articles ,arg)))
4707 (while ,articles
4708 (gnus-summary-goto-subject (car ,articles))
4709 ,@forms))))
4711 (put 'gnus-summary-iterate 'lisp-indent-function 1)
4712 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
4714 (defun gnus-summary-save-process-mark ()
4715 "Push the current set of process marked articles on the stack."
4716 (interactive)
4717 (push (copy-sequence gnus-newsgroup-processable)
4718 gnus-newsgroup-process-stack))
4720 (defun gnus-summary-kill-process-mark ()
4721 "Push the current set of process marked articles on the stack and unmark."
4722 (interactive)
4723 (gnus-summary-save-process-mark)
4724 (gnus-summary-unmark-all-processable))
4726 (defun gnus-summary-yank-process-mark ()
4727 "Pop the last process mark state off the stack and restore it."
4728 (interactive)
4729 (unless gnus-newsgroup-process-stack
4730 (error "Empty mark stack"))
4731 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
4733 (defun gnus-summary-process-mark-set (set)
4734 "Make SET into the current process marked articles."
4735 (gnus-summary-unmark-all-processable)
4736 (while set
4737 (gnus-summary-set-process-mark (pop set))))
4739 ;;; Searching and stuff
4741 (defun gnus-summary-search-group (&optional backward use-level)
4742 "Search for next unread newsgroup.
4743 If optional argument BACKWARD is non-nil, search backward instead."
4744 (save-excursion
4745 (set-buffer gnus-group-buffer)
4746 (when (gnus-group-search-forward
4747 backward nil (if use-level (gnus-group-group-level) nil))
4748 (gnus-group-group-name))))
4750 (defun gnus-summary-best-group (&optional exclude-group)
4751 "Find the name of the best unread group.
4752 If EXCLUDE-GROUP, do not go to this group."
4753 (save-excursion
4754 (set-buffer gnus-group-buffer)
4755 (save-excursion
4756 (gnus-group-best-unread-group exclude-group))))
4758 (defun gnus-summary-find-next (&optional unread article backward undownloaded)
4759 (if backward (gnus-summary-find-prev)
4760 (let* ((dummy (gnus-summary-article-intangible-p))
4761 (article (or article (gnus-summary-article-number)))
4762 (arts (gnus-data-find-list article))
4763 result)
4764 (when (and (not dummy)
4765 (or (not gnus-summary-check-current)
4766 (not unread)
4767 (not (gnus-data-unread-p (car arts)))))
4768 (setq arts (cdr arts)))
4769 (when (setq result
4770 (if unread
4771 (progn
4772 (while arts
4773 (when (or (and undownloaded
4774 (eq gnus-undownloaded-mark
4775 (gnus-data-mark (car arts))))
4776 (gnus-data-unread-p (car arts)))
4777 (setq result (car arts)
4778 arts nil))
4779 (setq arts (cdr arts)))
4780 result)
4781 (car arts)))
4782 (goto-char (gnus-data-pos result))
4783 (gnus-data-number result)))))
4785 (defun gnus-summary-find-prev (&optional unread article)
4786 (let* ((eobp (eobp))
4787 (article (or article (gnus-summary-article-number)))
4788 (arts (gnus-data-find-list article (gnus-data-list 'rev)))
4789 result)
4790 (when (and (not eobp)
4791 (or (not gnus-summary-check-current)
4792 (not unread)
4793 (not (gnus-data-unread-p (car arts)))))
4794 (setq arts (cdr arts)))
4795 (when (setq result
4796 (if unread
4797 (progn
4798 (while arts
4799 (when (gnus-data-unread-p (car arts))
4800 (setq result (car arts)
4801 arts nil))
4802 (setq arts (cdr arts)))
4803 result)
4804 (car arts)))
4805 (goto-char (gnus-data-pos result))
4806 (gnus-data-number result))))
4808 (defun gnus-summary-find-subject (subject &optional unread backward article)
4809 (let* ((simp-subject (gnus-simplify-subject-fully subject))
4810 (article (or article (gnus-summary-article-number)))
4811 (articles (gnus-data-list backward))
4812 (arts (gnus-data-find-list article articles))
4813 result)
4814 (when (or (not gnus-summary-check-current)
4815 (not unread)
4816 (not (gnus-data-unread-p (car arts))))
4817 (setq arts (cdr arts)))
4818 (while arts
4819 (and (or (not unread)
4820 (gnus-data-unread-p (car arts)))
4821 (vectorp (gnus-data-header (car arts)))
4822 (gnus-subject-equal
4823 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
4824 (setq result (car arts)
4825 arts nil))
4826 (setq arts (cdr arts)))
4827 (and result
4828 (goto-char (gnus-data-pos result))
4829 (gnus-data-number result))))
4831 (defun gnus-summary-search-forward (&optional unread subject backward)
4832 "Search forward for an article.
4833 If UNREAD, look for unread articles. If SUBJECT, look for
4834 articles with that subject. If BACKWARD, search backward instead."
4835 (cond (subject (gnus-summary-find-subject subject unread backward))
4836 (backward (gnus-summary-find-prev unread))
4837 (t (gnus-summary-find-next unread))))
4839 (defun gnus-recenter (&optional n)
4840 "Center point in window and redisplay frame.
4841 Also do horizontal recentering."
4842 (interactive "P")
4843 (when (and gnus-auto-center-summary
4844 (not (eq gnus-auto-center-summary 'vertical)))
4845 (gnus-horizontal-recenter))
4846 (recenter n))
4848 (defun gnus-summary-recenter ()
4849 "Center point in the summary window.
4850 If `gnus-auto-center-summary' is nil, or the article buffer isn't
4851 displayed, no centering will be performed."
4852 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
4853 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
4854 (let* ((top (cond ((< (window-height) 4) 0)
4855 ((< (window-height) 7) 1)
4856 (t 2)))
4857 (height (1- (window-height)))
4858 (bottom (save-excursion (goto-char (point-max))
4859 (forward-line (- height))
4860 (point)))
4861 (window (get-buffer-window (current-buffer))))
4862 ;; The user has to want it.
4863 (when gnus-auto-center-summary
4864 (when (get-buffer-window gnus-article-buffer)
4865 ;; Only do recentering when the article buffer is displayed,
4866 ;; Set the window start to either `bottom', which is the biggest
4867 ;; possible valid number, or the second line from the top,
4868 ;; whichever is the least.
4869 (set-window-start
4870 window (min bottom (save-excursion
4871 (forward-line (- top)) (point)))))
4872 ;; Do horizontal recentering while we're at it.
4873 (when (and (get-buffer-window (current-buffer) t)
4874 (not (eq gnus-auto-center-summary 'vertical)))
4875 (let ((selected (selected-window)))
4876 (select-window (get-buffer-window (current-buffer) t))
4877 (gnus-summary-position-point)
4878 (gnus-horizontal-recenter)
4879 (select-window selected))))))
4881 (defun gnus-summary-jump-to-group (newsgroup)
4882 "Move point to NEWSGROUP in group mode buffer."
4883 ;; Keep update point of group mode buffer if visible.
4884 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
4885 (save-window-excursion
4886 ;; Take care of tree window mode.
4887 (when (get-buffer-window gnus-group-buffer)
4888 (pop-to-buffer gnus-group-buffer))
4889 (gnus-group-jump-to-group newsgroup))
4890 (save-excursion
4891 ;; Take care of tree window mode.
4892 (if (get-buffer-window gnus-group-buffer)
4893 (pop-to-buffer gnus-group-buffer)
4894 (set-buffer gnus-group-buffer))
4895 (gnus-group-jump-to-group newsgroup))))
4897 ;; This function returns a list of article numbers based on the
4898 ;; difference between the ranges of read articles in this group and
4899 ;; the range of active articles.
4900 (defun gnus-list-of-unread-articles (group)
4901 (let* ((read (gnus-info-read (gnus-get-info group)))
4902 (active (or (gnus-active group) (gnus-activate-group group)))
4903 (last (cdr active))
4904 first nlast unread)
4905 ;; If none are read, then all are unread.
4906 (if (not read)
4907 (setq first (car active))
4908 ;; If the range of read articles is a single range, then the
4909 ;; first unread article is the article after the last read
4910 ;; article. Sounds logical, doesn't it?
4911 (if (not (listp (cdr read)))
4912 (setq first (max (car active) (1+ (cdr read))))
4913 ;; `read' is a list of ranges.
4914 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
4915 (caar read)))
4917 (setq first (car active)))
4918 (while read
4919 (when first
4920 (while (< first nlast)
4921 (push first unread)
4922 (setq first (1+ first))))
4923 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
4924 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
4925 (setq read (cdr read)))))
4926 ;; And add the last unread articles.
4927 (while (<= first last)
4928 (push first unread)
4929 (setq first (1+ first)))
4930 ;; Return the list of unread articles.
4931 (delq 0 (nreverse unread))))
4933 (defun gnus-list-of-read-articles (group)
4934 "Return a list of unread, unticked and non-dormant articles."
4935 (let* ((info (gnus-get-info group))
4936 (marked (gnus-info-marks info))
4937 (active (gnus-active group)))
4938 (and info active
4939 (gnus-set-difference
4940 (gnus-sorted-complement
4941 (gnus-uncompress-range active)
4942 (gnus-list-of-unread-articles group))
4943 (append
4944 (gnus-uncompress-range (cdr (assq 'dormant marked)))
4945 (gnus-uncompress-range (cdr (assq 'tick marked))))))))
4947 ;; Various summary commands
4949 (defun gnus-summary-select-article-buffer ()
4950 "Reconfigure windows to show article buffer."
4951 (interactive)
4952 (if (not (gnus-buffer-live-p gnus-article-buffer))
4953 (error "There is no article buffer for this summary buffer")
4954 (gnus-configure-windows 'article)
4955 (select-window (get-buffer-window gnus-article-buffer))))
4957 (defun gnus-summary-universal-argument (arg)
4958 "Perform any operation on all articles that are process/prefixed."
4959 (interactive "P")
4960 (let ((articles (gnus-summary-work-articles arg))
4961 func article)
4962 (if (eq
4963 (setq
4964 func
4965 (key-binding
4966 (read-key-sequence
4967 (substitute-command-keys
4968 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"
4969 ))))
4970 'undefined)
4971 (gnus-error 1 "Undefined key")
4972 (save-excursion
4973 (while articles
4974 (gnus-summary-goto-subject (setq article (pop articles)))
4975 (let (gnus-newsgroup-processable)
4976 (command-execute func))
4977 (gnus-summary-remove-process-mark article)))))
4978 (gnus-summary-position-point))
4980 (defun gnus-summary-toggle-truncation (&optional arg)
4981 "Toggle truncation of summary lines.
4982 With arg, turn line truncation on iff arg is positive."
4983 (interactive "P")
4984 (setq truncate-lines
4985 (if (null arg) (not truncate-lines)
4986 (> (prefix-numeric-value arg) 0)))
4987 (redraw-display))
4989 (defun gnus-summary-reselect-current-group (&optional all rescan)
4990 "Exit and then reselect the current newsgroup.
4991 The prefix argument ALL means to select all articles."
4992 (interactive "P")
4993 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
4994 (error "Ephemeral groups can't be reselected"))
4995 (let ((current-subject (gnus-summary-article-number))
4996 (group gnus-newsgroup-name))
4997 (setq gnus-newsgroup-begin nil)
4998 (gnus-summary-exit)
4999 ;; We have to adjust the point of group mode buffer because
5000 ;; point was moved to the next unread newsgroup by exiting.
5001 (gnus-summary-jump-to-group group)
5002 (when rescan
5003 (save-excursion
5004 (gnus-group-get-new-news-this-group 1)))
5005 (gnus-group-read-group all t)
5006 (gnus-summary-goto-subject current-subject nil t)))
5008 (defun gnus-summary-rescan-group (&optional all)
5009 "Exit the newsgroup, ask for new articles, and select the newsgroup."
5010 (interactive "P")
5011 (gnus-summary-reselect-current-group all t))
5013 (defun gnus-summary-update-info (&optional non-destructive)
5014 (save-excursion
5015 (let ((group gnus-newsgroup-name))
5016 (when group
5017 (when gnus-newsgroup-kill-headers
5018 (setq gnus-newsgroup-killed
5019 (gnus-compress-sequence
5020 (nconc
5021 (gnus-set-sorted-intersection
5022 (gnus-uncompress-range gnus-newsgroup-killed)
5023 (setq gnus-newsgroup-unselected
5024 (sort gnus-newsgroup-unselected '<)))
5025 (setq gnus-newsgroup-unreads
5026 (sort gnus-newsgroup-unreads '<)))
5027 t)))
5028 (unless (listp (cdr gnus-newsgroup-killed))
5029 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
5030 (let ((headers gnus-newsgroup-headers))
5031 ;; Set the new ranges of read articles.
5032 (save-excursion
5033 (set-buffer gnus-group-buffer)
5034 (gnus-undo-force-boundary))
5035 (gnus-update-read-articles
5036 group (append gnus-newsgroup-unreads gnus-newsgroup-unselected))
5037 ;; Set the current article marks.
5038 (let ((gnus-newsgroup-scored
5039 (if (and (not gnus-save-score)
5040 (not non-destructive))
5042 gnus-newsgroup-scored)))
5043 (save-excursion
5044 (gnus-update-marks)))
5045 ;; Do the cross-ref thing.
5046 (when gnus-use-cross-reference
5047 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
5048 ;; Do not switch windows but change the buffer to work.
5049 (set-buffer gnus-group-buffer)
5050 (unless (gnus-ephemeral-group-p group)
5051 (gnus-group-update-group group)))))))
5053 (defun gnus-summary-save-newsrc (&optional force)
5054 "Save the current number of read/marked articles in the dribble buffer.
5055 The dribble buffer will then be saved.
5056 If FORCE (the prefix), also save the .newsrc file(s)."
5057 (interactive "P")
5058 (gnus-summary-update-info t)
5059 (if force
5060 (gnus-save-newsrc-file)
5061 (gnus-dribble-save)))
5063 (defun gnus-summary-exit (&optional temporary)
5064 "Exit reading current newsgroup, and then return to group selection mode.
5065 gnus-exit-group-hook is called with no arguments if that value is non-nil."
5066 (interactive)
5067 (gnus-set-global-variables)
5068 (gnus-kill-save-kill-buffer)
5069 (gnus-async-halt-prefetch)
5070 (let* ((group gnus-newsgroup-name)
5071 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
5072 (mode major-mode)
5073 (group-point nil)
5074 (buf (current-buffer)))
5075 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
5076 ;; If we have several article buffers, we kill them at exit.
5077 (unless gnus-single-article-buffer
5078 (gnus-kill-buffer gnus-original-article-buffer)
5079 (setq gnus-article-current nil))
5080 (when gnus-use-cache
5081 (gnus-cache-possibly-remove-articles)
5082 (gnus-cache-save-buffers))
5083 (gnus-async-prefetch-remove-group group)
5084 (when gnus-suppress-duplicates
5085 (gnus-dup-enter-articles))
5086 (when gnus-use-trees
5087 (gnus-tree-close group))
5088 ;; Remove entries for this group.
5089 (nnmail-purge-split-history (gnus-group-real-name group))
5090 ;; Make all changes in this group permanent.
5091 (unless quit-config
5092 (gnus-run-hooks 'gnus-exit-group-hook)
5093 (gnus-summary-update-info)
5094 ;; Do adaptive scoring, and possibly save score files.
5095 (when gnus-newsgroup-adaptive
5096 (gnus-score-adaptive))
5097 (when gnus-use-scoring
5098 (gnus-score-save)))
5099 (gnus-close-group group)
5100 ;; Make sure where we were, and go to next newsgroup.
5101 (set-buffer gnus-group-buffer)
5102 (unless quit-config
5103 (gnus-group-jump-to-group group))
5104 (gnus-run-hooks 'gnus-summary-exit-hook)
5105 (unless (or quit-config
5106 ;; If this group has disappeared from the summary
5107 ;; buffer, don't skip forwards.
5108 (not (string= group (gnus-group-group-name))))
5109 (gnus-group-next-unread-group 1))
5110 (setq group-point (point))
5111 (if temporary
5112 nil ;Nothing to do.
5113 ;; If we have several article buffers, we kill them at exit.
5114 (unless gnus-single-article-buffer
5115 (gnus-kill-buffer gnus-article-buffer)
5116 (gnus-kill-buffer gnus-original-article-buffer)
5117 (setq gnus-article-current nil))
5118 (set-buffer buf)
5119 (if (not gnus-kill-summary-on-exit)
5120 (gnus-deaden-summary)
5121 ;; We set all buffer-local variables to nil. It is unclear why
5122 ;; this is needed, but if we don't, buffer-local variables are
5123 ;; not garbage-collected, it seems. This would the lead to en
5124 ;; ever-growing Emacs.
5125 (gnus-summary-clear-local-variables)
5126 (when (get-buffer gnus-article-buffer)
5127 (bury-buffer gnus-article-buffer))
5128 ;; We clear the global counterparts of the buffer-local
5129 ;; variables as well, just to be on the safe side.
5130 (set-buffer gnus-group-buffer)
5131 (gnus-summary-clear-local-variables)
5132 ;; Return to group mode buffer.
5133 (when (eq mode 'gnus-summary-mode)
5134 (gnus-kill-buffer buf)))
5135 (setq gnus-current-select-method gnus-select-method)
5136 (pop-to-buffer gnus-group-buffer)
5137 (if (not quit-config)
5138 (progn
5139 (goto-char group-point)
5140 (gnus-configure-windows 'group 'force))
5141 (gnus-handle-ephemeral-exit quit-config))
5142 ;; Clear the current group name.
5143 (unless quit-config
5144 (setq gnus-newsgroup-name nil)))))
5146 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
5147 (defun gnus-summary-exit-no-update (&optional no-questions)
5148 "Quit reading current newsgroup without updating read article info."
5149 (interactive)
5150 (let* ((group gnus-newsgroup-name)
5151 (quit-config (gnus-group-quit-config group)))
5152 (when (or no-questions
5153 gnus-expert-user
5154 (gnus-y-or-n-p "Discard changes to this group and exit? "))
5155 (gnus-async-halt-prefetch)
5156 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
5157 ;; If we have several article buffers, we kill them at exit.
5158 (unless gnus-single-article-buffer
5159 (gnus-kill-buffer gnus-article-buffer)
5160 (gnus-kill-buffer gnus-original-article-buffer)
5161 (setq gnus-article-current nil))
5162 (if (not gnus-kill-summary-on-exit)
5163 (gnus-deaden-summary)
5164 (gnus-close-group group)
5165 (gnus-summary-clear-local-variables)
5166 (set-buffer gnus-group-buffer)
5167 (gnus-summary-clear-local-variables)
5168 (when (get-buffer gnus-summary-buffer)
5169 (kill-buffer gnus-summary-buffer)))
5170 (unless gnus-single-article-buffer
5171 (setq gnus-article-current nil))
5172 (when gnus-use-trees
5173 (gnus-tree-close group))
5174 (gnus-async-prefetch-remove-group group)
5175 (when (get-buffer gnus-article-buffer)
5176 (bury-buffer gnus-article-buffer))
5177 ;; Return to the group buffer.
5178 (gnus-configure-windows 'group 'force)
5179 ;; Clear the current group name.
5180 (setq gnus-newsgroup-name nil)
5181 (when (equal (gnus-group-group-name) group)
5182 (gnus-group-next-unread-group 1))
5183 (when quit-config
5184 (gnus-handle-ephemeral-exit quit-config)))))
5186 (defun gnus-handle-ephemeral-exit (quit-config)
5187 "Handle movement when leaving an ephemeral group.
5188 The state which existed when entering the ephemeral is reset."
5189 (if (not (buffer-name (car quit-config)))
5190 (gnus-configure-windows 'group 'force)
5191 (set-buffer (car quit-config))
5192 (cond ((eq major-mode 'gnus-summary-mode)
5193 (gnus-set-global-variables))
5194 ((eq major-mode 'gnus-article-mode)
5195 (save-excursion
5196 ;; The `gnus-summary-buffer' variable may point
5197 ;; to the old summary buffer when using a single
5198 ;; article buffer.
5199 (unless (gnus-buffer-live-p gnus-summary-buffer)
5200 (set-buffer gnus-group-buffer))
5201 (set-buffer gnus-summary-buffer)
5202 (gnus-set-global-variables))))
5203 (if (or (eq (cdr quit-config) 'article)
5204 (eq (cdr quit-config) 'pick))
5205 (progn
5206 ;; The current article may be from the ephemeral group
5207 ;; thus it is best that we reload this article
5208 (gnus-summary-show-article)
5209 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
5210 (gnus-configure-windows 'pick 'force)
5211 (gnus-configure-windows (cdr quit-config) 'force)))
5212 (gnus-configure-windows (cdr quit-config) 'force))
5213 (when (eq major-mode 'gnus-summary-mode)
5214 (gnus-summary-next-subject 1 nil t)
5215 (gnus-summary-recenter)
5216 (gnus-summary-position-point))))
5218 ;;; Dead summaries.
5220 (defvar gnus-dead-summary-mode-map nil)
5222 (unless gnus-dead-summary-mode-map
5223 (setq gnus-dead-summary-mode-map (make-keymap))
5224 (suppress-keymap gnus-dead-summary-mode-map)
5225 (substitute-key-definition
5226 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
5227 (let ((keys '("\C-d" "\r" "\177" [delete])))
5228 (while keys
5229 (define-key gnus-dead-summary-mode-map
5230 (pop keys) 'gnus-summary-wake-up-the-dead))))
5232 (defvar gnus-dead-summary-mode nil
5233 "Minor mode for Gnus summary buffers.")
5235 (defun gnus-dead-summary-mode (&optional arg)
5236 "Minor mode for Gnus summary buffers."
5237 (interactive "P")
5238 (when (eq major-mode 'gnus-summary-mode)
5239 (make-local-variable 'gnus-dead-summary-mode)
5240 (setq gnus-dead-summary-mode
5241 (if (null arg) (not gnus-dead-summary-mode)
5242 (> (prefix-numeric-value arg) 0)))
5243 (when gnus-dead-summary-mode
5244 (gnus-add-minor-mode
5245 'gnus-dead-summary-mode " Dead" gnus-dead-summary-mode-map))))
5247 (defun gnus-deaden-summary ()
5248 "Make the current summary buffer into a dead summary buffer."
5249 ;; Kill any previous dead summary buffer.
5250 (when (and gnus-dead-summary
5251 (buffer-name gnus-dead-summary))
5252 (save-excursion
5253 (set-buffer gnus-dead-summary)
5254 (when gnus-dead-summary-mode
5255 (kill-buffer (current-buffer)))))
5256 ;; Make this the current dead summary.
5257 (setq gnus-dead-summary (current-buffer))
5258 (gnus-dead-summary-mode 1)
5259 (let ((name (buffer-name)))
5260 (when (string-match "Summary" name)
5261 (rename-buffer
5262 (concat (substring name 0 (match-beginning 0)) "Dead "
5263 (substring name (match-beginning 0)))
5264 t))))
5266 (defun gnus-kill-or-deaden-summary (buffer)
5267 "Kill or deaden the summary BUFFER."
5268 (save-excursion
5269 (when (and (buffer-name buffer)
5270 (not gnus-single-article-buffer))
5271 (save-excursion
5272 (set-buffer buffer)
5273 (gnus-kill-buffer gnus-article-buffer)
5274 (gnus-kill-buffer gnus-original-article-buffer)))
5275 (cond (gnus-kill-summary-on-exit
5276 (when (and gnus-use-trees
5277 (gnus-buffer-exists-p buffer))
5278 (save-excursion
5279 (set-buffer buffer)
5280 (gnus-tree-close gnus-newsgroup-name)))
5281 (gnus-kill-buffer buffer))
5282 ((gnus-buffer-exists-p buffer)
5283 (save-excursion
5284 (set-buffer buffer)
5285 (gnus-deaden-summary))))))
5287 (defun gnus-summary-wake-up-the-dead (&rest args)
5288 "Wake up the dead summary buffer."
5289 (interactive)
5290 (gnus-dead-summary-mode -1)
5291 (let ((name (buffer-name)))
5292 (when (string-match "Dead " name)
5293 (rename-buffer
5294 (concat (substring name 0 (match-beginning 0))
5295 (substring name (match-end 0)))
5296 t)))
5297 (gnus-message 3 "This dead summary is now alive again"))
5299 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
5300 (defun gnus-summary-fetch-faq (&optional faq-dir)
5301 "Fetch the FAQ for the current group.
5302 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
5303 in."
5304 (interactive
5305 (list
5306 (when current-prefix-arg
5307 (completing-read
5308 "Faq dir: " (and (listp gnus-group-faq-directory)
5309 (mapcar (lambda (file) (list file))
5310 gnus-group-faq-directory))))))
5311 (let (gnus-faq-buffer)
5312 (when (setq gnus-faq-buffer
5313 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
5314 (gnus-configure-windows 'summary-faq))))
5316 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
5317 (defun gnus-summary-describe-group (&optional force)
5318 "Describe the current newsgroup."
5319 (interactive "P")
5320 (gnus-group-describe-group force gnus-newsgroup-name))
5322 (defun gnus-summary-describe-briefly ()
5323 "Describe summary mode commands briefly."
5324 (interactive)
5325 (gnus-message 6
5326 (substitute-command-keys "\\<gnus-summary-mode-map>\\[gnus-summary-next-page]:Select \\[gnus-summary-next-unread-article]:Forward \\[gnus-summary-prev-unread-article]:Backward \\[gnus-summary-exit]:Exit \\[gnus-info-find-node]:Run Info \\[gnus-summary-describe-briefly]:This help")))
5328 ;; Walking around group mode buffer from summary mode.
5330 (defun gnus-summary-next-group (&optional no-article target-group backward)
5331 "Exit current newsgroup and then select next unread newsgroup.
5332 If prefix argument NO-ARTICLE is non-nil, no article is selected
5333 initially. If NEXT-GROUP, go to this group. If BACKWARD, go to
5334 previous group instead."
5335 (interactive "P")
5336 ;; Stop pre-fetching.
5337 (gnus-async-halt-prefetch)
5338 (let ((current-group gnus-newsgroup-name)
5339 (current-buffer (current-buffer))
5340 entered)
5341 ;; First we semi-exit this group to update Xrefs and all variables.
5342 ;; We can't do a real exit, because the window conf must remain
5343 ;; the same in case the user is prompted for info, and we don't
5344 ;; want the window conf to change before that...
5345 (gnus-summary-exit t)
5346 (while (not entered)
5347 ;; Then we find what group we are supposed to enter.
5348 (set-buffer gnus-group-buffer)
5349 (gnus-group-jump-to-group current-group)
5350 (setq target-group
5351 (or target-group
5352 (if (eq gnus-keep-same-level 'best)
5353 (gnus-summary-best-group gnus-newsgroup-name)
5354 (gnus-summary-search-group backward gnus-keep-same-level))))
5355 (if (not target-group)
5356 ;; There are no further groups, so we return to the group
5357 ;; buffer.
5358 (progn
5359 (gnus-message 5 "Returning to the group buffer")
5360 (setq entered t)
5361 (when (gnus-buffer-live-p current-buffer)
5362 (set-buffer current-buffer)
5363 (gnus-summary-exit))
5364 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
5365 ;; We try to enter the target group.
5366 (gnus-group-jump-to-group target-group)
5367 (let ((unreads (gnus-group-group-unread)))
5368 (if (and (or (eq t unreads)
5369 (and unreads (not (zerop unreads))))
5370 (gnus-summary-read-group
5371 target-group nil no-article
5372 (and (buffer-name current-buffer) current-buffer)
5373 nil backward))
5374 (setq entered t)
5375 (setq current-group target-group
5376 target-group nil)))))))
5378 (defun gnus-summary-prev-group (&optional no-article)
5379 "Exit current newsgroup and then select previous unread newsgroup.
5380 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
5381 (interactive "P")
5382 (gnus-summary-next-group no-article nil t))
5384 ;; Walking around summary lines.
5386 (defun gnus-summary-first-subject (&optional unread undownloaded)
5387 "Go to the first unread subject.
5388 If UNREAD is non-nil, go to the first unread article.
5389 Returns the article selected or nil if there are no unread articles."
5390 (interactive "P")
5391 (prog1
5392 (cond
5393 ;; Empty summary.
5394 ((null gnus-newsgroup-data)
5395 (gnus-message 3 "No articles in the group")
5396 nil)
5397 ;; Pick the first article.
5398 ((not unread)
5399 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
5400 (gnus-data-number (car gnus-newsgroup-data)))
5401 ;; No unread articles.
5402 ((null gnus-newsgroup-unreads)
5403 (gnus-message 3 "No more unread articles")
5404 nil)
5405 ;; Find the first unread article.
5407 (let ((data gnus-newsgroup-data))
5408 (while (and data
5409 (and (not (and undownloaded
5410 (eq gnus-undownloaded-mark
5411 (gnus-data-mark (car data)))))
5412 (not (gnus-data-unread-p (car data)))))
5413 (setq data (cdr data)))
5414 (when data
5415 (goto-char (gnus-data-pos (car data)))
5416 (gnus-data-number (car data))))))
5417 (gnus-summary-position-point)))
5419 (defun gnus-summary-next-subject (n &optional unread dont-display)
5420 "Go to next N'th summary line.
5421 If N is negative, go to the previous N'th subject line.
5422 If UNREAD is non-nil, only unread articles are selected.
5423 The difference between N and the actual number of steps taken is
5424 returned."
5425 (interactive "p")
5426 (let ((backward (< n 0))
5427 (n (abs n)))
5428 (while (and (> n 0)
5429 (if backward
5430 (gnus-summary-find-prev unread)
5431 (gnus-summary-find-next unread)))
5432 (gnus-summary-show-thread)
5433 (setq n (1- n)))
5434 (when (/= 0 n)
5435 (gnus-message 7 "No more%s articles"
5436 (if unread " unread" "")))
5437 (unless dont-display
5438 (gnus-summary-recenter)
5439 (gnus-summary-position-point))
5442 (defun gnus-summary-next-unread-subject (n)
5443 "Go to next N'th unread summary line."
5444 (interactive "p")
5445 (gnus-summary-next-subject n t))
5447 (defun gnus-summary-prev-subject (n &optional unread)
5448 "Go to previous N'th summary line.
5449 If optional argument UNREAD is non-nil, only unread article is selected."
5450 (interactive "p")
5451 (gnus-summary-next-subject (- n) unread))
5453 (defun gnus-summary-prev-unread-subject (n)
5454 "Go to previous N'th unread summary line."
5455 (interactive "p")
5456 (gnus-summary-next-subject (- n) t))
5458 (defun gnus-summary-goto-subject (article &optional force silent)
5459 "Go the subject line of ARTICLE.
5460 If FORCE, also allow jumping to articles not currently shown."
5461 (interactive "nArticle number: ")
5462 (let ((b (point))
5463 (data (gnus-data-find article)))
5464 ;; We read in the article if we have to.
5465 (and (not data)
5466 force
5467 (gnus-summary-insert-subject
5468 article
5469 (if (or (numberp force) (vectorp force)) force)
5471 (setq data (gnus-data-find article)))
5472 (goto-char b)
5473 (if (not data)
5474 (progn
5475 (unless silent
5476 (gnus-message 3 "Can't find article %d" article))
5477 nil)
5478 (goto-char (gnus-data-pos data))
5479 (gnus-summary-position-point)
5480 article)))
5482 ;; Walking around summary lines with displaying articles.
5484 (defun gnus-summary-expand-window (&optional arg)
5485 "Make the summary buffer take up the entire Emacs frame.
5486 Given a prefix, will force an `article' buffer configuration."
5487 (interactive "P")
5488 (if arg
5489 (gnus-configure-windows 'article 'force)
5490 (gnus-configure-windows 'summary 'force)))
5492 (defun gnus-summary-display-article (article &optional all-header)
5493 "Display ARTICLE in article buffer."
5494 (gnus-set-global-variables)
5495 (if (null article)
5497 (prog1
5498 (if gnus-summary-display-article-function
5499 (funcall gnus-summary-display-article-function article all-header)
5500 (gnus-article-prepare article all-header))
5501 (gnus-run-hooks 'gnus-select-article-hook)
5502 (when (and gnus-current-article
5503 (not (zerop gnus-current-article)))
5504 (gnus-summary-goto-subject gnus-current-article))
5505 (gnus-summary-recenter)
5506 (when (and gnus-use-trees gnus-show-threads)
5507 (gnus-possibly-generate-tree article)
5508 (gnus-highlight-selected-tree article))
5509 ;; Successfully display article.
5510 (gnus-article-set-window-start
5511 (cdr (assq article gnus-newsgroup-bookmarks))))))
5513 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
5514 "Select the current article.
5515 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
5516 non-nil, the article will be re-fetched even if it already present in
5517 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
5518 be displayed."
5519 ;; Make sure we are in the summary buffer to work around bbdb bug.
5520 (unless (eq major-mode 'gnus-summary-mode)
5521 (set-buffer gnus-summary-buffer))
5522 (let ((article (or article (gnus-summary-article-number)))
5523 (all-headers (not (not all-headers))) ;Must be T or NIL.
5524 gnus-summary-display-article-function
5525 did)
5526 (and (not pseudo)
5527 (gnus-summary-article-pseudo-p article)
5528 (error "This is a pseudo-article"))
5529 (prog1
5530 (save-excursion
5531 (set-buffer gnus-summary-buffer)
5532 (if (or (and gnus-single-article-buffer
5533 (or (null gnus-current-article)
5534 (null gnus-article-current)
5535 (null (get-buffer gnus-article-buffer))
5536 (not (eq article (cdr gnus-article-current)))
5537 (not (equal (car gnus-article-current)
5538 gnus-newsgroup-name))))
5539 (and (not gnus-single-article-buffer)
5540 (or (null gnus-current-article)
5541 (not (eq gnus-current-article article))))
5542 force)
5543 ;; The requested article is different from the current article.
5544 (prog1
5545 (gnus-summary-display-article article all-headers)
5546 (setq did article))
5547 (when (or all-headers gnus-show-all-headers)
5548 (gnus-article-show-all-headers))
5549 'old))
5550 (when did
5551 (gnus-article-set-window-start
5552 (cdr (assq article gnus-newsgroup-bookmarks)))))))
5554 (defun gnus-summary-set-current-mark (&optional current-mark)
5555 "Obsolete function."
5556 nil)
5558 (defun gnus-summary-next-article (&optional unread subject backward push)
5559 "Select the next article.
5560 If UNREAD, only unread articles are selected.
5561 If SUBJECT, only articles with SUBJECT are selected.
5562 If BACKWARD, the previous article is selected instead of the next."
5563 (interactive "P")
5564 (cond
5565 ;; Is there such an article?
5566 ((and (gnus-summary-search-forward unread subject backward)
5567 (or (gnus-summary-display-article (gnus-summary-article-number))
5568 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
5569 (gnus-summary-position-point))
5570 ;; If not, we try the first unread, if that is wanted.
5571 ((and subject
5572 gnus-auto-select-same
5573 (gnus-summary-first-unread-article))
5574 (gnus-summary-position-point)
5575 (gnus-message 6 "Wrapped"))
5576 ;; Try to get next/previous article not displayed in this group.
5577 ((and gnus-auto-extend-newsgroup
5578 (not unread) (not subject))
5579 (gnus-summary-goto-article
5580 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
5581 nil (count-lines (point-min) (point))))
5582 ;; Go to next/previous group.
5584 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
5585 (gnus-summary-jump-to-group gnus-newsgroup-name))
5586 (let ((cmd last-command-char)
5587 (point
5588 (save-excursion
5589 (set-buffer gnus-group-buffer)
5590 (point)))
5591 (group
5592 (if (eq gnus-keep-same-level 'best)
5593 (gnus-summary-best-group gnus-newsgroup-name)
5594 (gnus-summary-search-group backward gnus-keep-same-level))))
5595 ;; For some reason, the group window gets selected. We change
5596 ;; it back.
5597 (select-window (get-buffer-window (current-buffer)))
5598 ;; Select next unread newsgroup automagically.
5599 (cond
5600 ((or (not gnus-auto-select-next)
5601 (not cmd))
5602 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
5603 ((or (eq gnus-auto-select-next 'quietly)
5604 (and (eq gnus-auto-select-next 'slightly-quietly)
5605 push)
5606 (and (eq gnus-auto-select-next 'almost-quietly)
5607 (gnus-summary-last-article-p)))
5608 ;; Select quietly.
5609 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
5610 (gnus-summary-exit)
5611 (gnus-message 7 "No more%s articles (%s)..."
5612 (if unread " unread" "")
5613 (if group (concat "selecting " group)
5614 "exiting"))
5615 (gnus-summary-next-group nil group backward)))
5617 (when (gnus-key-press-event-p last-input-event)
5618 (gnus-summary-walk-group-buffer
5619 gnus-newsgroup-name cmd unread backward point))))))))
5621 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
5622 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
5623 (?\C-p (gnus-group-prev-unread-group 1))))
5624 (cursor-in-echo-area t)
5625 keve key group ended)
5626 (save-excursion
5627 (set-buffer gnus-group-buffer)
5628 (goto-char start)
5629 (setq group
5630 (if (eq gnus-keep-same-level 'best)
5631 (gnus-summary-best-group gnus-newsgroup-name)
5632 (gnus-summary-search-group backward gnus-keep-same-level))))
5633 (while (not ended)
5634 (gnus-message
5635 5 "No more%s articles%s" (if unread " unread" "")
5636 (if (and group
5637 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
5638 (format " (Type %s for %s [%s])"
5639 (single-key-description cmd) group
5640 (car (gnus-gethash group gnus-newsrc-hashtb)))
5641 (format " (Type %s to exit %s)"
5642 (single-key-description cmd)
5643 gnus-newsgroup-name)))
5644 ;; Confirm auto selection.
5645 (setq key (car (setq keve (gnus-read-event-char))))
5646 (setq ended t)
5647 (cond
5648 ((assq key keystrokes)
5649 (let ((obuf (current-buffer)))
5650 (switch-to-buffer gnus-group-buffer)
5651 (when group
5652 (gnus-group-jump-to-group group))
5653 (eval (cadr (assq key keystrokes)))
5654 (setq group (gnus-group-group-name))
5655 (switch-to-buffer obuf))
5656 (setq ended nil))
5657 ((equal key cmd)
5658 (if (or (not group)
5659 (gnus-ephemeral-group-p gnus-newsgroup-name))
5660 (gnus-summary-exit)
5661 (gnus-summary-next-group nil group backward)))
5663 (push (cdr keve) unread-command-events))))))
5665 (defun gnus-summary-next-unread-article ()
5666 "Select unread article after current one."
5667 (interactive)
5668 (gnus-summary-next-article
5669 (or (not (eq gnus-summary-goto-unread 'never))
5670 (gnus-summary-last-article-p (gnus-summary-article-number)))
5671 (and gnus-auto-select-same
5672 (gnus-summary-article-subject))))
5674 (defun gnus-summary-prev-article (&optional unread subject)
5675 "Select the article after the current one.
5676 If UNREAD is non-nil, only unread articles are selected."
5677 (interactive "P")
5678 (gnus-summary-next-article unread subject t))
5680 (defun gnus-summary-prev-unread-article ()
5681 "Select unread article before current one."
5682 (interactive)
5683 (gnus-summary-prev-article
5684 (or (not (eq gnus-summary-goto-unread 'never))
5685 (gnus-summary-first-article-p (gnus-summary-article-number)))
5686 (and gnus-auto-select-same
5687 (gnus-summary-article-subject))))
5689 (defun gnus-summary-next-page (&optional lines circular)
5690 "Show next page of the selected article.
5691 If at the end of the current article, select the next article.
5692 LINES says how many lines should be scrolled up.
5694 If CIRCULAR is non-nil, go to the start of the article instead of
5695 selecting the next article when reaching the end of the current
5696 article."
5697 (interactive "P")
5698 (setq gnus-summary-buffer (current-buffer))
5699 (gnus-set-global-variables)
5700 (let ((article (gnus-summary-article-number))
5701 (article-window (get-buffer-window gnus-article-buffer t))
5702 endp)
5703 ;; If the buffer is empty, we have no article.
5704 (unless article
5705 (error "No article to select"))
5706 (gnus-configure-windows 'article)
5707 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
5708 (if (and (eq gnus-summary-goto-unread 'never)
5709 (not (gnus-summary-last-article-p article)))
5710 (gnus-summary-next-article)
5711 (gnus-summary-next-unread-article))
5712 (if (or (null gnus-current-article)
5713 (null gnus-article-current)
5714 (/= article (cdr gnus-article-current))
5715 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
5716 ;; Selected subject is different from current article's.
5717 (gnus-summary-display-article article)
5718 (when article-window
5719 (gnus-eval-in-buffer-window gnus-article-buffer
5720 (setq endp (gnus-article-next-page lines)))
5721 (when endp
5722 (cond (circular
5723 (gnus-summary-beginning-of-article))
5724 (lines
5725 (gnus-message 3 "End of message"))
5726 ((null lines)
5727 (if (and (eq gnus-summary-goto-unread 'never)
5728 (not (gnus-summary-last-article-p article)))
5729 (gnus-summary-next-article)
5730 (gnus-summary-next-unread-article))))))))
5731 (gnus-summary-recenter)
5732 (gnus-summary-position-point)))
5734 (defun gnus-summary-prev-page (&optional lines move)
5735 "Show previous page of selected article.
5736 Argument LINES specifies lines to be scrolled down.
5737 If MOVE, move to the previous unread article if point is at
5738 the beginning of the buffer."
5739 (interactive "P")
5740 (let ((article (gnus-summary-article-number))
5741 (article-window (get-buffer-window gnus-article-buffer t))
5742 endp)
5743 (gnus-configure-windows 'article)
5744 (if (or (null gnus-current-article)
5745 (null gnus-article-current)
5746 (/= article (cdr gnus-article-current))
5747 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
5748 ;; Selected subject is different from current article's.
5749 (gnus-summary-display-article article)
5750 (gnus-summary-recenter)
5751 (when article-window
5752 (gnus-eval-in-buffer-window gnus-article-buffer
5753 (setq endp (gnus-article-prev-page lines)))
5754 (when (and move endp)
5755 (cond (lines
5756 (gnus-message 3 "Beginning of message"))
5757 ((null lines)
5758 (if (and (eq gnus-summary-goto-unread 'never)
5759 (not (gnus-summary-first-article-p article)))
5760 (gnus-summary-prev-article)
5761 (gnus-summary-prev-unread-article))))))))
5762 (gnus-summary-position-point))
5764 (defun gnus-summary-prev-page-or-article (&optional lines)
5765 "Show previous page of selected article.
5766 Argument LINES specifies lines to be scrolled down.
5767 If at the beginning of the article, go to the next article."
5768 (interactive "P")
5769 (gnus-summary-prev-page lines t))
5771 (defun gnus-summary-scroll-up (lines)
5772 "Scroll up (or down) one line current article.
5773 Argument LINES specifies lines to be scrolled up (or down if negative)."
5774 (interactive "p")
5775 (gnus-configure-windows 'article)
5776 (gnus-summary-show-thread)
5777 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
5778 (gnus-eval-in-buffer-window gnus-article-buffer
5779 (cond ((> lines 0)
5780 (when (gnus-article-next-page lines)
5781 (gnus-message 3 "End of message")))
5782 ((< lines 0)
5783 (gnus-article-prev-page (- lines))))))
5784 (gnus-summary-recenter)
5785 (gnus-summary-position-point))
5787 (defun gnus-summary-scroll-down (lines)
5788 "Scroll down (or up) one line current article.
5789 Argument LINES specifies lines to be scrolled down (or up if negative)."
5790 (interactive "p")
5791 (gnus-summary-scroll-up (- lines)))
5793 (defun gnus-summary-next-same-subject ()
5794 "Select next article which has the same subject as current one."
5795 (interactive)
5796 (gnus-summary-next-article nil (gnus-summary-article-subject)))
5798 (defun gnus-summary-prev-same-subject ()
5799 "Select previous article which has the same subject as current one."
5800 (interactive)
5801 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
5803 (defun gnus-summary-next-unread-same-subject ()
5804 "Select next unread article which has the same subject as current one."
5805 (interactive)
5806 (gnus-summary-next-article t (gnus-summary-article-subject)))
5808 (defun gnus-summary-prev-unread-same-subject ()
5809 "Select previous unread article which has the same subject as current one."
5810 (interactive)
5811 (gnus-summary-prev-article t (gnus-summary-article-subject)))
5813 (defun gnus-summary-first-unread-article ()
5814 "Select the first unread article.
5815 Return nil if there are no unread articles."
5816 (interactive)
5817 (prog1
5818 (when (gnus-summary-first-subject t)
5819 (gnus-summary-show-thread)
5820 (gnus-summary-first-subject t)
5821 (gnus-summary-display-article (gnus-summary-article-number)))
5822 (gnus-summary-position-point)))
5824 (defun gnus-summary-first-article ()
5825 "Select the first article.
5826 Return nil if there are no articles."
5827 (interactive)
5828 (prog1
5829 (when (gnus-summary-first-subject)
5830 (gnus-summary-show-thread)
5831 (gnus-summary-first-subject)
5832 (gnus-summary-display-article (gnus-summary-article-number)))
5833 (gnus-summary-position-point)))
5835 (defun gnus-summary-best-unread-article ()
5836 "Select the unread article with the highest score."
5837 (interactive)
5838 (let ((best -1000000)
5839 (data gnus-newsgroup-data)
5840 article score)
5841 (while data
5842 (and (gnus-data-unread-p (car data))
5843 (> (setq score
5844 (gnus-summary-article-score (gnus-data-number (car data))))
5845 best)
5846 (setq best score
5847 article (gnus-data-number (car data))))
5848 (setq data (cdr data)))
5849 (prog1
5850 (if article
5851 (gnus-summary-goto-article article)
5852 (error "No unread articles"))
5853 (gnus-summary-position-point))))
5855 (defun gnus-summary-last-subject ()
5856 "Go to the last displayed subject line in the group."
5857 (let ((article (gnus-data-number (car (gnus-data-list t)))))
5858 (when article
5859 (gnus-summary-goto-subject article))))
5861 (defun gnus-summary-goto-article (article &optional all-headers force)
5862 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
5863 If ALL-HEADERS is non-nil, no header lines are hidden.
5864 If FORCE, go to the article even if it isn't displayed. If FORCE
5865 is a number, it is the line the article is to be displayed on."
5866 (interactive
5867 (list
5868 (completing-read
5869 "Article number or Message-ID: "
5870 (mapcar (lambda (number) (list (int-to-string number)))
5871 gnus-newsgroup-limit))
5872 current-prefix-arg
5874 (prog1
5875 (if (and (stringp article)
5876 (string-match "@" article))
5877 (gnus-summary-refer-article article)
5878 (when (stringp article)
5879 (setq article (string-to-number article)))
5880 (if (gnus-summary-goto-subject article force)
5881 (gnus-summary-display-article article all-headers)
5882 (gnus-message 4 "Couldn't go to article %s" article) nil))
5883 (gnus-summary-position-point)))
5885 (defun gnus-summary-goto-last-article ()
5886 "Go to the previously read article."
5887 (interactive)
5888 (prog1
5889 (when gnus-last-article
5890 (gnus-summary-goto-article gnus-last-article nil t))
5891 (gnus-summary-position-point)))
5893 (defun gnus-summary-pop-article (number)
5894 "Pop one article off the history and go to the previous.
5895 NUMBER articles will be popped off."
5896 (interactive "p")
5897 (let (to)
5898 (setq gnus-newsgroup-history
5899 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
5900 (if to
5901 (gnus-summary-goto-article (car to) nil t)
5902 (error "Article history empty")))
5903 (gnus-summary-position-point))
5905 ;; Summary commands and functions for limiting the summary buffer.
5907 (defun gnus-summary-limit-to-articles (n)
5908 "Limit the summary buffer to the next N articles.
5909 If not given a prefix, use the process marked articles instead."
5910 (interactive "P")
5911 (prog1
5912 (let ((articles (gnus-summary-work-articles n)))
5913 (setq gnus-newsgroup-processable nil)
5914 (gnus-summary-limit articles))
5915 (gnus-summary-position-point)))
5917 (defun gnus-summary-pop-limit (&optional total)
5918 "Restore the previous limit.
5919 If given a prefix, remove all limits."
5920 (interactive "P")
5921 (when total
5922 (setq gnus-newsgroup-limits
5923 (list (mapcar (lambda (h) (mail-header-number h))
5924 gnus-newsgroup-headers))))
5925 (unless gnus-newsgroup-limits
5926 (error "No limit to pop"))
5927 (prog1
5928 (gnus-summary-limit nil 'pop)
5929 (gnus-summary-position-point)))
5931 (defun gnus-summary-limit-to-subject (subject &optional header)
5932 "Limit the summary buffer to articles that have subjects that match a regexp."
5933 (interactive "sLimit to subject (regexp): ")
5934 (unless header
5935 (setq header "subject"))
5936 (when (not (equal "" subject))
5937 (prog1
5938 (let ((articles (gnus-summary-find-matching
5939 (or header "subject") subject 'all)))
5940 (unless articles
5941 (error "Found no matches for \"%s\"" subject))
5942 (gnus-summary-limit articles))
5943 (gnus-summary-position-point))))
5945 (defun gnus-summary-limit-to-author (from)
5946 "Limit the summary buffer to articles that have authors that match a regexp."
5947 (interactive "sLimit to author (regexp): ")
5948 (gnus-summary-limit-to-subject from "from"))
5950 (defun gnus-summary-limit-to-age (age &optional younger-p)
5951 "Limit the summary buffer to articles that are older than (or equal) AGE days.
5952 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
5953 articles that are younger than AGE days."
5954 (interactive "nTime in days: \nP")
5955 (prog1
5956 (let ((data gnus-newsgroup-data)
5957 (cutoff (nnmail-days-to-time age))
5958 articles d date is-younger)
5959 (while (setq d (pop data))
5960 (when (and (vectorp (gnus-data-header d))
5961 (setq date (mail-header-date (gnus-data-header d))))
5962 (setq is-younger (nnmail-time-less
5963 (nnmail-time-since (nnmail-date-to-time date))
5964 cutoff))
5965 (when (if younger-p
5966 is-younger
5967 (not is-younger))
5968 (push (gnus-data-number d) articles))))
5969 (gnus-summary-limit (nreverse articles)))
5970 (gnus-summary-position-point)))
5972 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
5973 (make-obsolete
5974 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
5976 (defun gnus-summary-limit-to-unread (&optional all)
5977 "Limit the summary buffer to articles that are not marked as read.
5978 If ALL is non-nil, limit strictly to unread articles."
5979 (interactive "P")
5980 (if all
5981 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
5982 (gnus-summary-limit-to-marks
5983 ;; Concat all the marks that say that an article is read and have
5984 ;; those removed.
5985 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
5986 gnus-killed-mark gnus-kill-file-mark
5987 gnus-low-score-mark gnus-expirable-mark
5988 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
5989 gnus-duplicate-mark gnus-souped-mark)
5990 'reverse)))
5992 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
5993 (make-obsolete 'gnus-summary-delete-marked-with
5994 'gnus-summary-limit-exlude-marks)
5996 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
5997 "Exclude articles that are marked with MARKS (e.g. \"DK\").
5998 If REVERSE, limit the summary buffer to articles that are marked
5999 with MARKS. MARKS can either be a string of marks or a list of marks.
6000 Returns how many articles were removed."
6001 (interactive "sMarks: ")
6002 (gnus-summary-limit-to-marks marks t))
6004 (defun gnus-summary-limit-to-marks (marks &optional reverse)
6005 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
6006 If REVERSE (the prefix), limit the summary buffer to articles that are
6007 not marked with MARKS. MARKS can either be a string of marks or a
6008 list of marks.
6009 Returns how many articles were removed."
6010 (interactive "sMarks: \nP")
6011 (prog1
6012 (let ((data gnus-newsgroup-data)
6013 (marks (if (listp marks) marks
6014 (append marks nil))) ; Transform to list.
6015 articles)
6016 (while data
6017 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
6018 (memq (gnus-data-mark (car data)) marks))
6019 (push (gnus-data-number (car data)) articles))
6020 (setq data (cdr data)))
6021 (gnus-summary-limit articles))
6022 (gnus-summary-position-point)))
6024 (defun gnus-summary-limit-to-score (&optional score)
6025 "Limit to articles with score at or above SCORE."
6026 (interactive "P")
6027 (setq score (if score
6028 (prefix-numeric-value score)
6029 (or gnus-summary-default-score 0)))
6030 (let ((data gnus-newsgroup-data)
6031 articles)
6032 (while data
6033 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
6034 score)
6035 (push (gnus-data-number (car data)) articles))
6036 (setq data (cdr data)))
6037 (prog1
6038 (gnus-summary-limit articles)
6039 (gnus-summary-position-point))))
6041 (defun gnus-summary-limit-include-thread (id)
6042 "Display all the hidden articles that in the current thread."
6043 (interactive (list (mail-header-id (gnus-summary-article-header))))
6044 (let ((articles (gnus-articles-in-thread
6045 (gnus-id-to-thread (gnus-root-id id)))))
6046 (prog1
6047 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
6048 (gnus-summary-position-point))))
6050 (defun gnus-summary-limit-include-dormant ()
6051 "Display all the hidden articles that are marked as dormant.
6052 Note that this command only works on a subset of the articles currently
6053 fetched for this group."
6054 (interactive)
6055 (unless gnus-newsgroup-dormant
6056 (error "There are no dormant articles in this group"))
6057 (prog1
6058 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
6059 (gnus-summary-position-point)))
6061 (defun gnus-summary-limit-exclude-dormant ()
6062 "Hide all dormant articles."
6063 (interactive)
6064 (prog1
6065 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
6066 (gnus-summary-position-point)))
6068 (defun gnus-summary-limit-exclude-childless-dormant ()
6069 "Hide all dormant articles that have no children."
6070 (interactive)
6071 (let ((data (gnus-data-list t))
6072 articles d children)
6073 ;; Find all articles that are either not dormant or have
6074 ;; children.
6075 (while (setq d (pop data))
6076 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
6077 (and (setq children
6078 (gnus-article-children (gnus-data-number d)))
6079 (let (found)
6080 (while children
6081 (when (memq (car children) articles)
6082 (setq children nil
6083 found t))
6084 (pop children))
6085 found)))
6086 (push (gnus-data-number d) articles)))
6087 ;; Do the limiting.
6088 (prog1
6089 (gnus-summary-limit articles)
6090 (gnus-summary-position-point))))
6092 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
6093 "Mark all unread excluded articles as read.
6094 If ALL, mark even excluded ticked and dormants as read."
6095 (interactive "P")
6096 (let ((articles (gnus-sorted-complement
6097 (sort
6098 (mapcar (lambda (h) (mail-header-number h))
6099 gnus-newsgroup-headers)
6101 (sort gnus-newsgroup-limit '<)))
6102 article)
6103 (setq gnus-newsgroup-unreads
6104 (gnus-intersection gnus-newsgroup-unreads gnus-newsgroup-limit))
6105 (if all
6106 (setq gnus-newsgroup-dormant nil
6107 gnus-newsgroup-marked nil
6108 gnus-newsgroup-reads
6109 (nconc
6110 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
6111 gnus-newsgroup-reads))
6112 (while (setq article (pop articles))
6113 (unless (or (memq article gnus-newsgroup-dormant)
6114 (memq article gnus-newsgroup-marked))
6115 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
6117 (defun gnus-summary-limit (articles &optional pop)
6118 (if pop
6119 ;; We pop the previous limit off the stack and use that.
6120 (setq articles (car gnus-newsgroup-limits)
6121 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
6122 ;; We use the new limit, so we push the old limit on the stack.
6123 (push gnus-newsgroup-limit gnus-newsgroup-limits))
6124 ;; Set the limit.
6125 (setq gnus-newsgroup-limit articles)
6126 (let ((total (length gnus-newsgroup-data))
6127 (data (gnus-data-find-list (gnus-summary-article-number)))
6128 (gnus-summary-mark-below nil) ; Inhibit this.
6129 found)
6130 ;; This will do all the work of generating the new summary buffer
6131 ;; according to the new limit.
6132 (gnus-summary-prepare)
6133 ;; Hide any threads, possibly.
6134 (and gnus-show-threads
6135 gnus-thread-hide-subtree
6136 (gnus-summary-hide-all-threads))
6137 ;; Try to return to the article you were at, or one in the
6138 ;; neighborhood.
6139 (when data
6140 ;; We try to find some article after the current one.
6141 (while data
6142 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
6143 (setq data nil
6144 found t))
6145 (setq data (cdr data))))
6146 (unless found
6147 ;; If there is no data, that means that we were after the last
6148 ;; article. The same goes when we can't find any articles
6149 ;; after the current one.
6150 (goto-char (point-max))
6151 (gnus-summary-find-prev))
6152 (gnus-set-mode-line 'summary)
6153 ;; We return how many articles were removed from the summary
6154 ;; buffer as a result of the new limit.
6155 (- total (length gnus-newsgroup-data))))
6157 (defsubst gnus-invisible-cut-children (threads)
6158 (let ((num 0))
6159 (while threads
6160 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
6161 (incf num))
6162 (pop threads))
6163 (< num 2)))
6165 (defsubst gnus-cut-thread (thread)
6166 "Go forwards in the thread until we find an article that we want to display."
6167 (when (or (eq gnus-fetch-old-headers 'some)
6168 (eq gnus-fetch-old-headers 'invisible)
6169 (eq gnus-build-sparse-threads 'some)
6170 (eq gnus-build-sparse-threads 'more))
6171 ;; Deal with old-fetched headers and sparse threads.
6172 (while (and
6173 thread
6175 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
6176 (gnus-summary-article-ancient-p
6177 (mail-header-number (car thread))))
6178 (if (or (<= (length (cdr thread)) 1)
6179 (eq gnus-fetch-old-headers 'invisible))
6180 (setq gnus-newsgroup-limit
6181 (delq (mail-header-number (car thread))
6182 gnus-newsgroup-limit)
6183 thread (cadr thread))
6184 (when (gnus-invisible-cut-children (cdr thread))
6185 (let ((th (cdr thread)))
6186 (while th
6187 (if (memq (mail-header-number (caar th))
6188 gnus-newsgroup-limit)
6189 (setq thread (car th)
6190 th nil)
6191 (setq th (cdr th))))))))))
6192 thread)
6194 (defun gnus-cut-threads (threads)
6195 "Cut off all uninteresting articles from the beginning of threads."
6196 (when (or (eq gnus-fetch-old-headers 'some)
6197 (eq gnus-fetch-old-headers 'invisible)
6198 (eq gnus-build-sparse-threads 'some)
6199 (eq gnus-build-sparse-threads 'more))
6200 (let ((th threads))
6201 (while th
6202 (setcar th (gnus-cut-thread (car th)))
6203 (setq th (cdr th)))))
6204 ;; Remove nixed out threads.
6205 (delq nil threads))
6207 (defun gnus-summary-initial-limit (&optional show-if-empty)
6208 "Figure out what the initial limit is supposed to be on group entry.
6209 This entails weeding out unwanted dormants, low-scored articles,
6210 fetch-old-headers verbiage, and so on."
6211 ;; Most groups have nothing to remove.
6212 (if (or gnus-inhibit-limiting
6213 (and (null gnus-newsgroup-dormant)
6214 (not (eq gnus-fetch-old-headers 'some))
6215 (not (eq gnus-fetch-old-headers 'invisible))
6216 (null gnus-summary-expunge-below)
6217 (not (eq gnus-build-sparse-threads 'some))
6218 (not (eq gnus-build-sparse-threads 'more))
6219 (null gnus-thread-expunge-below)
6220 (not gnus-use-nocem)))
6221 () ; Do nothing.
6222 (push gnus-newsgroup-limit gnus-newsgroup-limits)
6223 (setq gnus-newsgroup-limit nil)
6224 (mapatoms
6225 (lambda (node)
6226 (unless (car (symbol-value node))
6227 ;; These threads have no parents -- they are roots.
6228 (let ((nodes (cdr (symbol-value node)))
6229 thread)
6230 (while nodes
6231 (if (and gnus-thread-expunge-below
6232 (< (gnus-thread-total-score (car nodes))
6233 gnus-thread-expunge-below))
6234 (gnus-expunge-thread (pop nodes))
6235 (setq thread (pop nodes))
6236 (gnus-summary-limit-children thread))))))
6237 gnus-newsgroup-dependencies)
6238 ;; If this limitation resulted in an empty group, we might
6239 ;; pop the previous limit and use it instead.
6240 (when (and (not gnus-newsgroup-limit)
6241 show-if-empty)
6242 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
6243 gnus-newsgroup-limit))
6245 (defun gnus-summary-limit-children (thread)
6246 "Return 1 if this subthread is visible and 0 if it is not."
6247 ;; First we get the number of visible children to this thread. This
6248 ;; is done by recursing down the thread using this function, so this
6249 ;; will really go down to a leaf article first, before slowly
6250 ;; working its way up towards the root.
6251 (when thread
6252 (let ((children
6253 (if (cdr thread)
6254 (apply '+ (mapcar 'gnus-summary-limit-children
6255 (cdr thread)))
6257 (number (mail-header-number (car thread)))
6258 score)
6259 (if (and
6260 (not (memq number gnus-newsgroup-marked))
6262 ;; If this article is dormant and has absolutely no visible
6263 ;; children, then this article isn't visible.
6264 (and (memq number gnus-newsgroup-dormant)
6265 (zerop children))
6266 ;; If this is "fetch-old-headered" and there is no
6267 ;; visible children, then we don't want this article.
6268 (and (eq gnus-fetch-old-headers 'some)
6269 (gnus-summary-article-ancient-p number)
6270 (zerop children))
6271 ;; If this is "fetch-old-headered" and `invisible', then
6272 ;; we don't want this article.
6273 (and (eq gnus-fetch-old-headers 'invisible)
6274 (gnus-summary-article-ancient-p number))
6275 ;; If this is a sparsely inserted article with no children,
6276 ;; we don't want it.
6277 (and (eq gnus-build-sparse-threads 'some)
6278 (gnus-summary-article-sparse-p number)
6279 (zerop children))
6280 ;; If we use expunging, and this article is really
6281 ;; low-scored, then we don't want this article.
6282 (when (and gnus-summary-expunge-below
6283 (< (setq score
6284 (or (cdr (assq number gnus-newsgroup-scored))
6285 gnus-summary-default-score))
6286 gnus-summary-expunge-below))
6287 ;; We increase the expunge-tally here, but that has
6288 ;; nothing to do with the limits, really.
6289 (incf gnus-newsgroup-expunged-tally)
6290 ;; We also mark as read here, if that's wanted.
6291 (when (and gnus-summary-mark-below
6292 (< score gnus-summary-mark-below))
6293 (setq gnus-newsgroup-unreads
6294 (delq number gnus-newsgroup-unreads))
6295 (if gnus-newsgroup-auto-expire
6296 (push number gnus-newsgroup-expirable)
6297 (push (cons number gnus-low-score-mark)
6298 gnus-newsgroup-reads)))
6300 ;; Check NoCeM things.
6301 (if (and gnus-use-nocem
6302 (gnus-nocem-unwanted-article-p
6303 (mail-header-id (car thread))))
6304 (progn
6305 (setq gnus-newsgroup-unreads
6306 (delq number gnus-newsgroup-unreads))
6307 t))))
6308 ;; Nope, invisible article.
6310 ;; Ok, this article is to be visible, so we add it to the limit
6311 ;; and return 1.
6312 (push number gnus-newsgroup-limit)
6313 1))))
6315 (defun gnus-expunge-thread (thread)
6316 "Mark all articles in THREAD as read."
6317 (let* ((number (mail-header-number (car thread))))
6318 (incf gnus-newsgroup-expunged-tally)
6319 ;; We also mark as read here, if that's wanted.
6320 (setq gnus-newsgroup-unreads
6321 (delq number gnus-newsgroup-unreads))
6322 (if gnus-newsgroup-auto-expire
6323 (push number gnus-newsgroup-expirable)
6324 (push (cons number gnus-low-score-mark)
6325 gnus-newsgroup-reads)))
6326 ;; Go recursively through all subthreads.
6327 (mapcar 'gnus-expunge-thread (cdr thread)))
6329 ;; Summary article oriented commands
6331 (defun gnus-summary-refer-parent-article (n)
6332 "Refer parent article N times.
6333 If N is negative, go to ancestor -N instead.
6334 The difference between N and the number of articles fetched is returned."
6335 (interactive "p")
6336 (let ((skip 1)
6337 error header ref)
6338 (when (not (natnump n))
6339 (setq skip (abs n)
6340 n 1))
6341 (while (and (> n 0)
6342 (not error))
6343 (setq header (gnus-summary-article-header))
6344 (if (and (eq (mail-header-number header)
6345 (cdr gnus-article-current))
6346 (equal gnus-newsgroup-name
6347 (car gnus-article-current)))
6348 ;; If we try to find the parent of the currently
6349 ;; displayed article, then we take a look at the actual
6350 ;; References header, since this is slightly more
6351 ;; reliable than the References field we got from the
6352 ;; server.
6353 (save-excursion
6354 (set-buffer gnus-original-article-buffer)
6355 (nnheader-narrow-to-headers)
6356 (unless (setq ref (message-fetch-field "references"))
6357 (setq ref (message-fetch-field "in-reply-to")))
6358 (widen))
6359 (setq ref
6360 ;; It's not the current article, so we take a bet on
6361 ;; the value we got from the server.
6362 (mail-header-references header)))
6363 (if (and ref
6364 (not (equal ref "")))
6365 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
6366 (gnus-message 1 "Couldn't find parent"))
6367 (gnus-message 1 "No references in article %d"
6368 (gnus-summary-article-number))
6369 (setq error t))
6370 (decf n))
6371 (gnus-summary-position-point)
6374 (defun gnus-summary-refer-references ()
6375 "Fetch all articles mentioned in the References header.
6376 Return the number of articles fetched."
6377 (interactive)
6378 (let ((ref (mail-header-references (gnus-summary-article-header)))
6379 (current (gnus-summary-article-number))
6380 (n 0))
6381 (if (or (not ref)
6382 (equal ref ""))
6383 (error "No References in the current article")
6384 ;; For each Message-ID in the References header...
6385 (while (string-match "<[^>]*>" ref)
6386 (incf n)
6387 ;; ... fetch that article.
6388 (gnus-summary-refer-article
6389 (prog1 (match-string 0 ref)
6390 (setq ref (substring ref (match-end 0))))))
6391 (gnus-summary-goto-subject current)
6392 (gnus-summary-position-point)
6393 n)))
6395 (defun gnus-summary-refer-thread (&optional limit)
6396 "Fetch all articles in the current thread.
6397 If LIMIT (the numerical prefix), fetch that many old headers instead
6398 of what's specified by the `gnus-refer-thread-limit' variable."
6399 (interactive "P")
6400 (let ((id (mail-header-id (gnus-summary-article-header)))
6401 (limit (if limit (prefix-numeric-value limit)
6402 gnus-refer-thread-limit)))
6403 ;; We want to fetch LIMIT *old* headers, but we also have to
6404 ;; re-fetch all the headers in the current buffer, because many of
6405 ;; them may be undisplayed. So we adjust LIMIT.
6406 (when (numberp limit)
6407 (incf limit (- gnus-newsgroup-end gnus-newsgroup-begin)))
6408 (unless (eq gnus-fetch-old-headers 'invisible)
6409 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
6410 ;; Retrieve the headers and read them in.
6411 (if (eq (gnus-retrieve-headers
6412 (list gnus-newsgroup-end) gnus-newsgroup-name limit)
6413 'nov)
6414 (gnus-build-all-threads)
6415 (error "Can't fetch thread from backends that don't support NOV"))
6416 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
6417 (gnus-summary-limit-include-thread id)))
6419 (defun gnus-summary-refer-article (message-id &optional arg)
6420 "Fetch an article specified by MESSAGE-ID.
6421 If ARG (the prefix), fetch the article using `gnus-refer-article-method'
6422 or `gnus-select-method', no matter what backend the article comes from."
6423 (interactive "sMessage-ID: \nP")
6424 (when (and (stringp message-id)
6425 (not (zerop (length message-id))))
6426 ;; Construct the correct Message-ID if necessary.
6427 ;; Suggested by tale@pawl.rpi.edu.
6428 (unless (string-match "^<" message-id)
6429 (setq message-id (concat "<" message-id)))
6430 (unless (string-match ">$" message-id)
6431 (setq message-id (concat message-id ">")))
6432 (let* ((header (gnus-id-to-header message-id))
6433 (sparse (and header
6434 (gnus-summary-article-sparse-p
6435 (mail-header-number header))
6436 (memq (mail-header-number header)
6437 gnus-newsgroup-limit))))
6438 (cond
6439 ;; If the article is present in the buffer we just go to it.
6440 ((and header
6441 (or (not (gnus-summary-article-sparse-p
6442 (mail-header-number header)))
6443 sparse))
6444 (prog1
6445 (gnus-summary-goto-article
6446 (mail-header-number header) nil t)
6447 (when sparse
6448 (gnus-summary-update-article (mail-header-number header)))))
6450 ;; We fetch the article
6451 (let ((gnus-override-method
6452 (cond ((gnus-news-group-p gnus-newsgroup-name)
6453 gnus-refer-article-method)
6454 (arg
6455 (or gnus-refer-article-method gnus-select-method))
6456 (t nil)))
6457 number)
6458 ;; Start the special refer-article method, if necessary.
6459 (when (and gnus-refer-article-method
6460 (gnus-news-group-p gnus-newsgroup-name))
6461 (gnus-check-server gnus-refer-article-method))
6462 ;; Fetch the header, and display the article.
6463 (if (setq number (gnus-summary-insert-subject message-id))
6464 (gnus-summary-select-article nil nil nil number)
6465 (gnus-message 3 "Couldn't fetch article %s" message-id))))))))
6467 (defun gnus-summary-edit-parameters ()
6468 "Edit the group parameters of the current group."
6469 (interactive)
6470 (gnus-group-edit-group gnus-newsgroup-name 'params))
6472 (defun gnus-summary-enter-digest-group (&optional force)
6473 "Enter an nndoc group based on the current article.
6474 If FORCE, force a digest interpretation. If not, try
6475 to guess what the document format is."
6476 (interactive "P")
6477 (let ((conf gnus-current-window-configuration))
6478 (save-excursion
6479 (gnus-summary-select-article))
6480 (setq gnus-current-window-configuration conf)
6481 (let* ((name (format "%s-%d"
6482 (gnus-group-prefixed-name
6483 gnus-newsgroup-name (list 'nndoc ""))
6484 (save-excursion
6485 (set-buffer gnus-summary-buffer)
6486 gnus-current-article)))
6487 (ogroup gnus-newsgroup-name)
6488 (params (append (gnus-info-params (gnus-get-info ogroup))
6489 (list (cons 'to-group ogroup))
6490 (list (cons 'save-article-group ogroup))))
6491 (case-fold-search t)
6492 (buf (current-buffer))
6493 dig)
6494 (save-excursion
6495 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
6496 (insert-buffer-substring gnus-original-article-buffer)
6497 ;; Remove lines that may lead nndoc to misinterpret the
6498 ;; document type.
6499 (narrow-to-region
6500 (goto-char (point-min))
6501 (or (search-forward "\n\n" nil t) (point)))
6502 (goto-char (point-min))
6503 (delete-matching-lines "^\\(Path\\):\\|^From ")
6504 (widen))
6505 (unwind-protect
6506 (if (gnus-group-read-ephemeral-group
6507 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
6508 (nndoc-article-type
6509 ,(if force 'digest 'guess))) t)
6510 ;; Make all postings to this group go to the parent group.
6511 (nconc (gnus-info-params (gnus-get-info name))
6512 params)
6513 ;; Couldn't select this doc group.
6514 (switch-to-buffer buf)
6515 (gnus-set-global-variables)
6516 (gnus-configure-windows 'summary)
6517 (gnus-message 3 "Article couldn't be entered?"))
6518 (kill-buffer dig)))))
6520 (defun gnus-summary-read-document (n)
6521 "Open a new group based on the current article(s).
6522 This will allow you to read digests and other similar
6523 documents as newsgroups.
6524 Obeys the standard process/prefix convention."
6525 (interactive "P")
6526 (let* ((articles (gnus-summary-work-articles n))
6527 (ogroup gnus-newsgroup-name)
6528 (params (append (gnus-info-params (gnus-get-info ogroup))
6529 (list (cons 'to-group ogroup))))
6530 article group egroup groups vgroup)
6531 (while (setq article (pop articles))
6532 (setq group (format "%s-%d" gnus-newsgroup-name article))
6533 (gnus-summary-remove-process-mark article)
6534 (when (gnus-summary-display-article article)
6535 (save-excursion
6536 (nnheader-temp-write nil
6537 (insert-buffer-substring gnus-original-article-buffer)
6538 ;; Remove some headers that may lead nndoc to make
6539 ;; the wrong guess.
6540 (message-narrow-to-head)
6541 (goto-char (point-min))
6542 (delete-matching-lines "^\\(Path\\):\\|^From ")
6543 (widen)
6544 (if (setq egroup
6545 (gnus-group-read-ephemeral-group
6546 group `(nndoc ,group (nndoc-address ,(current-buffer))
6547 (nndoc-article-type guess))
6548 t nil t))
6549 (progn
6550 ;; Make all postings to this group go to the parent group.
6551 (nconc (gnus-info-params (gnus-get-info egroup))
6552 params)
6553 (push egroup groups))
6554 ;; Couldn't select this doc group.
6555 (gnus-error 3 "Article couldn't be entered"))))))
6556 ;; Now we have selected all the documents.
6557 (cond
6558 ((not groups)
6559 (error "None of the articles could be interpreted as documents"))
6560 ((gnus-group-read-ephemeral-group
6561 (setq vgroup (format
6562 "nnvirtual:%s-%s" gnus-newsgroup-name
6563 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
6564 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
6566 (cons (current-buffer) 'summary)))
6568 (error "Couldn't select virtual nndoc group")))))
6570 (defun gnus-summary-isearch-article (&optional regexp-p)
6571 "Do incremental search forward on the current article.
6572 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
6573 (interactive "P")
6574 (gnus-summary-select-article)
6575 (gnus-configure-windows 'article)
6576 (gnus-eval-in-buffer-window gnus-article-buffer
6577 (save-restriction
6578 (widen)
6579 (isearch-forward regexp-p))))
6581 (defun gnus-summary-search-article-forward (regexp &optional backward)
6582 "Search for an article containing REGEXP forward.
6583 If BACKWARD, search backward instead."
6584 (interactive
6585 (list (read-string
6586 (format "Search article %s (regexp%s): "
6587 (if current-prefix-arg "backward" "forward")
6588 (if gnus-last-search-regexp
6589 (concat ", default " gnus-last-search-regexp)
6590 "")))
6591 current-prefix-arg))
6592 (if (string-equal regexp "")
6593 (setq regexp (or gnus-last-search-regexp ""))
6594 (setq gnus-last-search-regexp regexp))
6595 (if (gnus-summary-search-article regexp backward)
6596 (gnus-summary-show-thread)
6597 (error "Search failed: \"%s\"" regexp)))
6599 (defun gnus-summary-search-article-backward (regexp)
6600 "Search for an article containing REGEXP backward."
6601 (interactive
6602 (list (read-string
6603 (format "Search article backward (regexp%s): "
6604 (if gnus-last-search-regexp
6605 (concat ", default " gnus-last-search-regexp)
6606 "")))))
6607 (gnus-summary-search-article-forward regexp 'backward))
6609 (defun gnus-summary-search-article (regexp &optional backward)
6610 "Search for an article containing REGEXP.
6611 Optional argument BACKWARD means do search for backward.
6612 `gnus-select-article-hook' is not called during the search."
6613 ;; We have to require this here to make sure that the following
6614 ;; dynamic binding isn't shadowed by autoloading.
6615 (require 'gnus-async)
6616 (let ((gnus-select-article-hook nil) ;Disable hook.
6617 (gnus-article-display-hook nil)
6618 (gnus-mark-article-hook nil) ;Inhibit marking as read.
6619 (gnus-use-article-prefetch nil)
6620 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
6621 (gnus-use-trees nil) ;Inhibit updating tree buffer.
6622 (sum (current-buffer))
6623 (found nil)
6624 point)
6625 (gnus-save-hidden-threads
6626 (gnus-summary-select-article)
6627 (set-buffer gnus-article-buffer)
6628 (when backward
6629 (forward-line -1))
6630 (while (not found)
6631 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
6632 (if (if backward
6633 (re-search-backward regexp nil t)
6634 (re-search-forward regexp nil t))
6635 ;; We found the regexp.
6636 (progn
6637 (setq found 'found)
6638 (beginning-of-line)
6639 (set-window-start
6640 (get-buffer-window (current-buffer))
6641 (point))
6642 (forward-line 1)
6643 (set-buffer sum)
6644 (setq point (point)))
6645 ;; We didn't find it, so we go to the next article.
6646 (set-buffer sum)
6647 (setq found 'not)
6648 (while (eq found 'not)
6649 (if (not (if backward (gnus-summary-find-prev)
6650 (gnus-summary-find-next)))
6651 ;; No more articles.
6652 (setq found t)
6653 ;; Select the next article and adjust point.
6654 (unless (gnus-summary-article-sparse-p
6655 (gnus-summary-article-number))
6656 (setq found nil)
6657 (gnus-summary-select-article)
6658 (set-buffer gnus-article-buffer)
6659 (widen)
6660 (goto-char (if backward (point-max) (point-min))))))))
6661 (gnus-message 7 ""))
6662 ;; Return whether we found the regexp.
6663 (when (eq found 'found)
6664 (goto-char point)
6665 (gnus-summary-show-thread)
6666 (gnus-summary-goto-subject gnus-current-article)
6667 (gnus-summary-position-point)
6668 t)))
6670 (defun gnus-summary-find-matching (header regexp &optional backward unread
6671 not-case-fold)
6672 "Return a list of all articles that match REGEXP on HEADER.
6673 The search stars on the current article and goes forwards unless
6674 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
6675 If UNREAD is non-nil, only unread articles will
6676 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
6677 in the comparisons."
6678 (let ((data (if (eq backward 'all) gnus-newsgroup-data
6679 (gnus-data-find-list
6680 (gnus-summary-article-number) (gnus-data-list backward))))
6681 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
6682 (case-fold-search (not not-case-fold))
6683 articles d)
6684 (unless (fboundp (intern (concat "mail-header-" header)))
6685 (error "%s is not a valid header" header))
6686 (while data
6687 (setq d (car data))
6688 (and (or (not unread) ; We want all articles...
6689 (gnus-data-unread-p d)) ; Or just unreads.
6690 (vectorp (gnus-data-header d)) ; It's not a pseudo.
6691 (string-match regexp (funcall func (gnus-data-header d))) ; Match.
6692 (push (gnus-data-number d) articles)) ; Success!
6693 (setq data (cdr data)))
6694 (nreverse articles)))
6696 (defun gnus-summary-execute-command (header regexp command &optional backward)
6697 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
6698 If HEADER is an empty string (or nil), the match is done on the entire
6699 article. If BACKWARD (the prefix) is non-nil, search backward instead."
6700 (interactive
6701 (list (let ((completion-ignore-case t))
6702 (completing-read
6703 "Header name: "
6704 (mapcar (lambda (string) (list string))
6705 '("Number" "Subject" "From" "Lines" "Date"
6706 "Message-ID" "Xref" "References" "Body"))
6707 nil 'require-match))
6708 (read-string "Regexp: ")
6709 (read-key-sequence "Command: ")
6710 current-prefix-arg))
6711 (when (equal header "Body")
6712 (setq header ""))
6713 ;; Hidden thread subtrees must be searched as well.
6714 (gnus-summary-show-all-threads)
6715 ;; We don't want to change current point nor window configuration.
6716 (save-excursion
6717 (save-window-excursion
6718 (gnus-message 6 "Executing %s..." (key-description command))
6719 ;; We'd like to execute COMMAND interactively so as to give arguments.
6720 (gnus-execute header regexp
6721 `(call-interactively ',(key-binding command))
6722 backward)
6723 (gnus-message 6 "Executing %s...done" (key-description command)))))
6725 (defun gnus-summary-beginning-of-article ()
6726 "Scroll the article back to the beginning."
6727 (interactive)
6728 (gnus-summary-select-article)
6729 (gnus-configure-windows 'article)
6730 (gnus-eval-in-buffer-window gnus-article-buffer
6731 (widen)
6732 (goto-char (point-min))
6733 (when gnus-page-broken
6734 (gnus-narrow-to-page))))
6736 (defun gnus-summary-end-of-article ()
6737 "Scroll to the end of the article."
6738 (interactive)
6739 (gnus-summary-select-article)
6740 (gnus-configure-windows 'article)
6741 (gnus-eval-in-buffer-window gnus-article-buffer
6742 (widen)
6743 (goto-char (point-max))
6744 (recenter -3)
6745 (when gnus-page-broken
6746 (gnus-narrow-to-page))))
6748 (defun gnus-summary-print-article (&optional filename n)
6749 "Generate and print a PostScript image of the N next (mail) articles.
6751 If N is negative, print the N previous articles. If N is nil and articles
6752 have been marked with the process mark, print these instead.
6754 If the optional second argument FILENAME is nil, send the image to the
6755 printer. If FILENAME is a string, save the PostScript image in a file with
6756 that name. If FILENAME is a number, prompt the user for the name of the file
6757 to save in."
6758 (interactive (list (ps-print-preprint current-prefix-arg)
6759 current-prefix-arg))
6760 (dolist (article (gnus-summary-work-articles n))
6761 (gnus-summary-select-article nil nil 'pseudo article)
6762 (gnus-eval-in-buffer-window gnus-article-buffer
6763 (let ((buffer (generate-new-buffer " *print*")))
6764 (unwind-protect
6765 (progn
6766 (copy-to-buffer buffer (point-min) (point-max))
6767 (set-buffer buffer)
6768 (gnus-article-delete-invisible-text)
6769 (let ((ps-left-header
6770 (list
6771 (concat "("
6772 (mail-header-subject gnus-current-headers) ")")
6773 (concat "("
6774 (mail-header-from gnus-current-headers) ")")))
6775 (ps-right-header
6776 (list
6777 "/pagenumberstring load"
6778 (concat "("
6779 (mail-header-date gnus-current-headers) ")"))))
6780 (gnus-run-hooks 'gnus-ps-print-hook)
6781 (save-excursion
6782 (ps-print-buffer-with-faces filename))))
6783 (kill-buffer buffer))))))
6785 (defun gnus-summary-show-article (&optional arg)
6786 "Force re-fetching of the current article.
6787 If ARG (the prefix) is non-nil, show the raw article without any
6788 article massaging functions being run."
6789 (interactive "P")
6790 (if (not arg)
6791 ;; Select the article the normal way.
6792 (gnus-summary-select-article nil 'force)
6793 ;; Bind the article treatment functions to nil.
6794 (let ((gnus-have-all-headers t)
6795 gnus-article-display-hook
6796 gnus-article-prepare-hook
6797 gnus-break-pages
6798 gnus-show-mime
6799 gnus-visual)
6800 (gnus-summary-select-article nil 'force)))
6801 (gnus-summary-goto-subject gnus-current-article)
6802 (gnus-summary-position-point))
6804 (defun gnus-summary-verbose-headers (&optional arg)
6805 "Toggle permanent full header display.
6806 If ARG is a positive number, turn header display on.
6807 If ARG is a negative number, turn header display off."
6808 (interactive "P")
6809 (setq gnus-show-all-headers
6810 (cond ((or (not (numberp arg))
6811 (zerop arg))
6812 (not gnus-show-all-headers))
6813 ((natnump arg)
6814 t)))
6815 (gnus-summary-show-article))
6817 (defun gnus-summary-toggle-header (&optional arg)
6818 "Show the headers if they are hidden, or hide them if they are shown.
6819 If ARG is a positive number, show the entire header.
6820 If ARG is a negative number, hide the unwanted header lines."
6821 (interactive "P")
6822 (save-excursion
6823 (set-buffer gnus-article-buffer)
6824 (let* ((buffer-read-only nil)
6825 (inhibit-point-motion-hooks t)
6826 (hidden (text-property-any
6827 (goto-char (point-min)) (search-forward "\n\n")
6828 'invisible t))
6830 (goto-char (point-min))
6831 (when (search-forward "\n\n" nil t)
6832 (delete-region (point-min) (1- (point))))
6833 (goto-char (point-min))
6834 (save-excursion
6835 (set-buffer gnus-original-article-buffer)
6836 (goto-char (point-min))
6837 (setq e (1- (or (search-forward "\n\n" nil t) (point-max)))))
6838 (insert-buffer-substring gnus-original-article-buffer 1 e)
6839 (let ((article-inhibit-hiding t))
6840 (gnus-run-hooks 'gnus-article-display-hook))
6841 (when (or (not hidden) (and (numberp arg) (< arg 0)))
6842 (gnus-article-hide-headers)))))
6844 (defun gnus-summary-show-all-headers ()
6845 "Make all header lines visible."
6846 (interactive)
6847 (gnus-article-show-all-headers))
6849 (defun gnus-summary-toggle-mime (&optional arg)
6850 "Toggle MIME processing.
6851 If ARG is a positive number, turn MIME processing on."
6852 (interactive "P")
6853 (setq gnus-show-mime
6854 (if (null arg) (not gnus-show-mime)
6855 (> (prefix-numeric-value arg) 0)))
6856 (gnus-summary-select-article t 'force))
6858 (defun gnus-summary-caesar-message (&optional arg)
6859 "Caesar rotate the current article by 13.
6860 The numerical prefix specifies how many places to rotate each letter
6861 forward."
6862 (interactive "P")
6863 (gnus-summary-select-article)
6864 (let ((mail-header-separator ""))
6865 (gnus-eval-in-buffer-window gnus-article-buffer
6866 (save-restriction
6867 (widen)
6868 (let ((start (window-start))
6869 buffer-read-only)
6870 (message-caesar-buffer-body arg)
6871 (set-window-start (get-buffer-window (current-buffer)) start))))))
6873 (defun gnus-summary-stop-page-breaking ()
6874 "Stop page breaking in the current article."
6875 (interactive)
6876 (gnus-summary-select-article)
6877 (gnus-eval-in-buffer-window gnus-article-buffer
6878 (widen)
6879 (when (gnus-visual-p 'page-marker)
6880 (let ((buffer-read-only nil))
6881 (gnus-remove-text-with-property 'gnus-prev)
6882 (gnus-remove-text-with-property 'gnus-next))
6883 (setq gnus-page-broken nil))))
6885 (defun gnus-summary-move-article (&optional n to-newsgroup
6886 select-method action)
6887 "Move the current article to a different newsgroup.
6888 If N is a positive number, move the N next articles.
6889 If N is a negative number, move the N previous articles.
6890 If N is nil and any articles have been marked with the process mark,
6891 move those articles instead.
6892 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
6893 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
6894 re-spool using this method.
6896 For this function to work, both the current newsgroup and the
6897 newsgroup that you want to move to have to support the `request-move'
6898 and `request-accept' functions."
6899 (interactive "P")
6900 (unless action
6901 (setq action 'move))
6902 ;; Disable marking as read.
6903 (let (gnus-mark-article-hook)
6904 (save-window-excursion
6905 (gnus-summary-select-article)))
6906 ;; Check whether the source group supports the required functions.
6907 (cond ((and (eq action 'move)
6908 (not (gnus-check-backend-function
6909 'request-move-article gnus-newsgroup-name)))
6910 (error "The current group does not support article moving"))
6911 ((and (eq action 'crosspost)
6912 (not (gnus-check-backend-function
6913 'request-replace-article gnus-newsgroup-name)))
6914 (error "The current group does not support article editing")))
6915 (let ((articles (gnus-summary-work-articles n))
6916 (prefix (gnus-group-real-prefix gnus-newsgroup-name))
6917 (names '((move "Move" "Moving")
6918 (copy "Copy" "Copying")
6919 (crosspost "Crosspost" "Crossposting")))
6920 (copy-buf (save-excursion
6921 (nnheader-set-temp-buffer " *copy article*")))
6922 art-group to-method new-xref article to-groups)
6923 (unless (assq action names)
6924 (error "Unknown action %s" action))
6925 ;; Read the newsgroup name.
6926 (when (and (not to-newsgroup)
6927 (not select-method))
6928 (setq to-newsgroup
6929 (gnus-read-move-group-name
6930 (cadr (assq action names))
6931 (symbol-value (intern (format "gnus-current-%s-group" action)))
6932 articles prefix))
6933 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
6934 (setq to-method (or select-method
6935 (gnus-group-name-to-method to-newsgroup)))
6936 ;; Check the method we are to move this article to...
6937 (unless (gnus-check-backend-function
6938 'request-accept-article (car to-method))
6939 (error "%s does not support article copying" (car to-method)))
6940 (unless (gnus-check-server to-method)
6941 (error "Can't open server %s" (car to-method)))
6942 (gnus-message 6 "%s to %s: %s..."
6943 (caddr (assq action names))
6944 (or (car select-method) to-newsgroup) articles)
6945 (while articles
6946 (setq article (pop articles))
6947 (setq
6948 art-group
6949 (cond
6950 ;; Move the article.
6951 ((eq action 'move)
6952 ;; Remove this article from future suppression.
6953 (gnus-dup-unsuppress-article article)
6954 (gnus-request-move-article
6955 article ; Article to move
6956 gnus-newsgroup-name ; From newsgroup
6957 (nth 1 (gnus-find-method-for-group
6958 gnus-newsgroup-name)) ; Server
6959 (list 'gnus-request-accept-article
6960 to-newsgroup (list 'quote select-method)
6961 (not articles)) ; Accept form
6962 (not articles))) ; Only save nov last time
6963 ;; Copy the article.
6964 ((eq action 'copy)
6965 (save-excursion
6966 (set-buffer copy-buf)
6967 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
6968 (gnus-request-accept-article
6969 to-newsgroup select-method (not articles)))))
6970 ;; Crosspost the article.
6971 ((eq action 'crosspost)
6972 (let ((xref (message-tokenize-header
6973 (mail-header-xref (gnus-summary-article-header article))
6974 " ")))
6975 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
6976 ":" article))
6977 (unless xref
6978 (setq xref (list (system-name))))
6979 (setq new-xref
6980 (concat
6981 (mapconcat 'identity
6982 (delete "Xref:" (delete new-xref xref))
6983 " ")
6984 " " new-xref))
6985 (save-excursion
6986 (set-buffer copy-buf)
6987 ;; First put the article in the destination group.
6988 (gnus-request-article-this-buffer article gnus-newsgroup-name)
6989 (when (consp (setq art-group
6990 (gnus-request-accept-article
6991 to-newsgroup select-method (not articles))))
6992 (setq new-xref (concat new-xref " " (car art-group)
6993 ":" (cdr art-group)))
6994 ;; Now we have the new Xrefs header, so we insert
6995 ;; it and replace the new article.
6996 (nnheader-replace-header "Xref" new-xref)
6997 (gnus-request-replace-article
6998 (cdr art-group) to-newsgroup (current-buffer))
6999 art-group))))))
7000 (cond
7001 ((not art-group)
7002 (gnus-message 1 "Couldn't %s article %s"
7003 (cadr (assq action names)) article))
7004 ((and (eq art-group 'junk)
7005 (eq action 'move))
7006 (gnus-summary-mark-article article gnus-canceled-mark)
7007 (gnus-message 4 "Deleted article %s" article))
7009 (let* ((pto-group (gnus-group-prefixed-name
7010 (car art-group) to-method))
7011 (entry
7012 (gnus-gethash pto-group gnus-newsrc-hashtb))
7013 (info (nth 2 entry))
7014 (to-group (gnus-info-group info)))
7015 ;; Update the group that has been moved to.
7016 (when (and info
7017 (memq action '(move copy)))
7018 (unless (member to-group to-groups)
7019 (push to-group to-groups))
7021 (unless (memq article gnus-newsgroup-unreads)
7022 (gnus-info-set-read
7023 info (gnus-add-to-range (gnus-info-read info)
7024 (list (cdr art-group)))))
7026 ;; Copy any marks over to the new group.
7027 (let ((marks gnus-article-mark-lists)
7028 (to-article (cdr art-group)))
7030 ;; See whether the article is to be put in the cache.
7031 (when gnus-use-cache
7032 (gnus-cache-possibly-enter-article
7033 to-group to-article
7034 (let ((header (copy-sequence
7035 (gnus-summary-article-header article))))
7036 (mail-header-set-number header to-article)
7037 header)
7038 (memq article gnus-newsgroup-marked)
7039 (memq article gnus-newsgroup-dormant)
7040 (memq article gnus-newsgroup-unreads)))
7042 (when (and (equal to-group gnus-newsgroup-name)
7043 (not (memq article gnus-newsgroup-unreads)))
7044 ;; Mark this article as read in this group.
7045 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
7046 (setcdr (gnus-active to-group) to-article)
7047 (setcdr gnus-newsgroup-active to-article))
7049 (while marks
7050 (when (memq article (symbol-value
7051 (intern (format "gnus-newsgroup-%s"
7052 (caar marks)))))
7053 ;; If the other group is the same as this group,
7054 ;; then we have to add the mark to the list.
7055 (when (equal to-group gnus-newsgroup-name)
7056 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
7057 (cons to-article
7058 (symbol-value
7059 (intern (format "gnus-newsgroup-%s"
7060 (caar marks)))))))
7061 ;; Copy the marks to other group.
7062 (gnus-add-marked-articles
7063 to-group (cdar marks) (list to-article) info))
7064 (setq marks (cdr marks)))
7066 (gnus-dribble-enter
7067 (concat "(gnus-group-set-info '"
7068 (gnus-prin1-to-string (gnus-get-info to-group))
7069 ")"))))
7071 ;; Update the Xref header in this article to point to
7072 ;; the new crossposted article we have just created.
7073 (when (eq action 'crosspost)
7074 (save-excursion
7075 (set-buffer copy-buf)
7076 (gnus-request-article-this-buffer article gnus-newsgroup-name)
7077 (nnheader-replace-header "Xref" new-xref)
7078 (gnus-request-replace-article
7079 article gnus-newsgroup-name (current-buffer)))))
7081 ;;;!!!Why is this necessary?
7082 (set-buffer gnus-summary-buffer)
7084 (gnus-summary-goto-subject article)
7085 (when (eq action 'move)
7086 (gnus-summary-mark-article article gnus-canceled-mark))))
7087 (gnus-summary-remove-process-mark article))
7088 ;; Re-activate all groups that have been moved to.
7089 (while to-groups
7090 (save-excursion
7091 (set-buffer gnus-group-buffer)
7092 (when (gnus-group-goto-group (car to-groups) t)
7093 (gnus-group-get-new-news-this-group 1 t))
7094 (pop to-groups)))
7096 (gnus-kill-buffer copy-buf)
7097 (gnus-summary-position-point)
7098 (gnus-set-mode-line 'summary)))
7100 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
7101 "Move the current article to a different newsgroup.
7102 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
7103 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
7104 re-spool using this method."
7105 (interactive "P")
7106 (gnus-summary-move-article n to-newsgroup select-method 'copy))
7108 (defun gnus-summary-crosspost-article (&optional n)
7109 "Crosspost the current article to some other group."
7110 (interactive "P")
7111 (gnus-summary-move-article n nil nil 'crosspost))
7113 (defcustom gnus-summary-respool-default-method nil
7114 "Default method for respooling an article.
7115 If nil, use to the current newsgroup method."
7116 :type '(choice (gnus-select-method :value (nnml ""))
7117 (const nil))
7118 :group 'gnus-summary-mail)
7120 (defun gnus-summary-respool-article (&optional n method)
7121 "Respool the current article.
7122 The article will be squeezed through the mail spooling process again,
7123 which means that it will be put in some mail newsgroup or other
7124 depending on `nnmail-split-methods'.
7125 If N is a positive number, respool the N next articles.
7126 If N is a negative number, respool the N previous articles.
7127 If N is nil and any articles have been marked with the process mark,
7128 respool those articles instead.
7130 Respooling can be done both from mail groups and \"real\" newsgroups.
7131 In the former case, the articles in question will be moved from the
7132 current group into whatever groups they are destined to. In the
7133 latter case, they will be copied into the relevant groups."
7134 (interactive
7135 (list current-prefix-arg
7136 (let* ((methods (gnus-methods-using 'respool))
7137 (methname
7138 (symbol-name (or gnus-summary-respool-default-method
7139 (car (gnus-find-method-for-group
7140 gnus-newsgroup-name)))))
7141 (method
7142 (gnus-completing-read
7143 methname "What backend do you want to use when respooling?"
7144 methods nil t nil 'gnus-mail-method-history))
7146 (cond
7147 ((zerop (length (setq ms (gnus-servers-using-backend
7148 (intern method)))))
7149 (list (intern method) ""))
7150 ((= 1 (length ms))
7151 (car ms))
7153 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
7154 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
7155 ms-alist))))))))
7156 (unless method
7157 (error "No method given for respooling"))
7158 (if (assoc (symbol-name
7159 (car (gnus-find-method-for-group gnus-newsgroup-name)))
7160 (gnus-methods-using 'respool))
7161 (gnus-summary-move-article n nil method)
7162 (gnus-summary-copy-article n nil method)))
7164 (defun gnus-summary-import-article (file)
7165 "Import an arbitrary file into a mail newsgroup."
7166 (interactive "fImport file: ")
7167 (let ((group gnus-newsgroup-name)
7168 (now (current-time))
7169 atts lines)
7170 (unless (gnus-check-backend-function 'request-accept-article group)
7171 (error "%s does not support article importing" group))
7172 (or (file-readable-p file)
7173 (not (file-regular-p file))
7174 (error "Can't read %s" file))
7175 (save-excursion
7176 (set-buffer (gnus-get-buffer-create " *import file*"))
7177 (buffer-disable-undo (current-buffer))
7178 (erase-buffer)
7179 (insert-file-contents file)
7180 (goto-char (point-min))
7181 (unless (nnheader-article-p)
7182 ;; This doesn't look like an article, so we fudge some headers.
7183 (setq atts (file-attributes file)
7184 lines (count-lines (point-min) (point-max)))
7185 (insert "From: " (read-string "From: ") "\n"
7186 "Subject: " (read-string "Subject: ") "\n"
7187 "Date: " (timezone-make-date-arpa-standard
7188 (current-time-string (nth 5 atts))
7189 (current-time-zone now)
7190 (current-time-zone now))
7191 "\n"
7192 "Message-ID: " (message-make-message-id) "\n"
7193 "Lines: " (int-to-string lines) "\n"
7194 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
7195 (gnus-request-accept-article group nil t)
7196 (kill-buffer (current-buffer)))))
7198 (defun gnus-summary-article-posted-p ()
7199 "Say whether the current (mail) article is available from `gnus-select-method' as well.
7200 This will be the case if the article has both been mailed and posted."
7201 (interactive)
7202 (let ((id (mail-header-references (gnus-summary-article-header)))
7203 (gnus-override-method
7204 (or gnus-refer-article-method gnus-select-method)))
7205 (if (gnus-request-head id "")
7206 (gnus-message 2 "The current message was found on %s"
7207 gnus-override-method)
7208 (gnus-message 2 "The current message couldn't be found on %s"
7209 gnus-override-method)
7210 nil)))
7212 (defun gnus-summary-expire-articles (&optional now)
7213 "Expire all articles that are marked as expirable in the current group."
7214 (interactive)
7215 (when (gnus-check-backend-function
7216 'request-expire-articles gnus-newsgroup-name)
7217 ;; This backend supports expiry.
7218 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
7219 (expirable (if total
7220 (progn
7221 ;; We need to update the info for
7222 ;; this group for `gnus-list-of-read-articles'
7223 ;; to give us the right answer.
7224 (gnus-run-hooks 'gnus-exit-group-hook)
7225 (gnus-summary-update-info)
7226 (gnus-list-of-read-articles gnus-newsgroup-name))
7227 (setq gnus-newsgroup-expirable
7228 (sort gnus-newsgroup-expirable '<))))
7229 (expiry-wait (if now 'immediate
7230 (gnus-group-find-parameter
7231 gnus-newsgroup-name 'expiry-wait)))
7233 (when expirable
7234 ;; There are expirable articles in this group, so we run them
7235 ;; through the expiry process.
7236 (gnus-message 6 "Expiring articles...")
7237 ;; The list of articles that weren't expired is returned.
7238 (save-excursion
7239 (if expiry-wait
7240 (let ((nnmail-expiry-wait-function nil)
7241 (nnmail-expiry-wait expiry-wait))
7242 (setq es (gnus-request-expire-articles
7243 expirable gnus-newsgroup-name)))
7244 (setq es (gnus-request-expire-articles
7245 expirable gnus-newsgroup-name))))
7246 (unless total
7247 (setq gnus-newsgroup-expirable es))
7248 ;; We go through the old list of expirable, and mark all
7249 ;; really expired articles as nonexistent.
7250 (unless (eq es expirable) ;If nothing was expired, we don't mark.
7251 (let ((gnus-use-cache nil))
7252 (while expirable
7253 (unless (memq (car expirable) es)
7254 (when (gnus-data-find (car expirable))
7255 (gnus-summary-mark-article
7256 (car expirable) gnus-canceled-mark)))
7257 (setq expirable (cdr expirable)))))
7258 (gnus-message 6 "Expiring articles...done")))))
7260 (defun gnus-summary-expire-articles-now ()
7261 "Expunge all expirable articles in the current group.
7262 This means that *all* articles that are marked as expirable will be
7263 deleted forever, right now."
7264 (interactive)
7265 (or gnus-expert-user
7266 (gnus-yes-or-no-p
7267 "Are you really, really, really sure you want to delete all these messages? ")
7268 (error "Phew!"))
7269 (gnus-summary-expire-articles t))
7271 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
7272 (defun gnus-summary-delete-article (&optional n)
7273 "Delete the N next (mail) articles.
7274 This command actually deletes articles. This is not a marking
7275 command. The article will disappear forever from your life, never to
7276 return.
7277 If N is negative, delete backwards.
7278 If N is nil and articles have been marked with the process mark,
7279 delete these instead."
7280 (interactive "P")
7281 (unless (gnus-check-backend-function 'request-expire-articles
7282 gnus-newsgroup-name)
7283 (error "The current newsgroup does not support article deletion"))
7284 ;; Compute the list of articles to delete.
7285 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
7286 not-deleted)
7287 (if (and gnus-novice-user
7288 (not (gnus-yes-or-no-p
7289 (format "Do you really want to delete %s forever? "
7290 (if (> (length articles) 1)
7291 (format "these %s articles" (length articles))
7292 "this article")))))
7294 ;; Delete the articles.
7295 (setq not-deleted (gnus-request-expire-articles
7296 articles gnus-newsgroup-name 'force))
7297 (while articles
7298 (gnus-summary-remove-process-mark (car articles))
7299 ;; The backend might not have been able to delete the article
7300 ;; after all.
7301 (unless (memq (car articles) not-deleted)
7302 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
7303 (setq articles (cdr articles)))
7304 (when not-deleted
7305 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
7306 (gnus-summary-position-point)
7307 (gnus-set-mode-line 'summary)
7308 not-deleted))
7310 (defun gnus-summary-edit-article (&optional force)
7311 "Edit the current article.
7312 This will have permanent effect only in mail groups.
7313 If FORCE is non-nil, allow editing of articles even in read-only
7314 groups."
7315 (interactive "P")
7316 (save-excursion
7317 (set-buffer gnus-summary-buffer)
7318 (gnus-set-global-variables)
7319 (when (and (not force)
7320 (gnus-group-read-only-p))
7321 (error "The current newsgroup does not support article editing"))
7322 ;; Select article if needed.
7323 (unless (eq (gnus-summary-article-number)
7324 gnus-current-article)
7325 (gnus-summary-select-article t))
7326 (gnus-article-date-original)
7327 (gnus-article-edit-article
7328 `(lambda (no-highlight)
7329 (gnus-summary-edit-article-done
7330 ,(or (mail-header-references gnus-current-headers) "")
7331 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight)))))
7333 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
7335 (defun gnus-summary-edit-article-done (&optional references read-only buffer
7336 no-highlight)
7337 "Make edits to the current article permanent."
7338 (interactive)
7339 ;; Replace the article.
7340 (let ((buf (current-buffer)))
7341 (nnheader-temp-write nil
7342 (insert-buffer buf)
7343 (if (and (not read-only)
7344 (not (gnus-request-replace-article
7345 (cdr gnus-article-current) (car gnus-article-current)
7346 (current-buffer))))
7347 (error "Couldn't replace article")
7348 ;; Update the summary buffer.
7349 (if (and references
7350 (equal (message-tokenize-header references " ")
7351 (message-tokenize-header
7352 (or (message-fetch-field "references") "") " ")))
7353 ;; We only have to update this line.
7354 (save-excursion
7355 (save-restriction
7356 (message-narrow-to-head)
7357 (let ((head (buffer-string))
7358 header)
7359 (nnheader-temp-write nil
7360 (insert (format "211 %d Article retrieved.\n"
7361 (cdr gnus-article-current)))
7362 (insert head)
7363 (insert ".\n")
7364 (let ((nntp-server-buffer (current-buffer)))
7365 (setq header (car (gnus-get-newsgroup-headers
7366 (save-excursion
7367 (set-buffer gnus-summary-buffer)
7368 gnus-newsgroup-dependencies)
7369 t))))
7370 (save-excursion
7371 (set-buffer gnus-summary-buffer)
7372 (gnus-data-set-header
7373 (gnus-data-find (cdr gnus-article-current))
7374 header)
7375 (gnus-summary-update-article-line
7376 (cdr gnus-article-current) header))))))
7377 ;; Update threads.
7378 (set-buffer (or buffer gnus-summary-buffer))
7379 (gnus-summary-update-article (cdr gnus-article-current)))
7380 ;; Prettify the article buffer again.
7381 (unless no-highlight
7382 (save-excursion
7383 (set-buffer gnus-article-buffer)
7384 (gnus-run-hooks 'gnus-article-display-hook)
7385 (set-buffer gnus-original-article-buffer)
7386 (gnus-request-article
7387 (cdr gnus-article-current)
7388 (car gnus-article-current) (current-buffer))))
7389 ;; Prettify the summary buffer line.
7390 (when (gnus-visual-p 'summary-highlight 'highlight)
7391 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
7393 (defun gnus-summary-edit-wash (key)
7394 "Perform editing command KEY in the article buffer."
7395 (interactive
7396 (list
7397 (progn
7398 (message "%s" (concat (this-command-keys) "- "))
7399 (read-char))))
7400 (message "")
7401 (gnus-summary-edit-article)
7402 (execute-kbd-macro (concat (this-command-keys) key))
7403 (gnus-article-edit-done))
7405 ;;; Respooling
7407 (defun gnus-summary-respool-query (&optional silent trace)
7408 "Query where the respool algorithm would put this article."
7409 (interactive)
7410 (let (gnus-mark-article-hook)
7411 (gnus-summary-select-article)
7412 (save-excursion
7413 (set-buffer gnus-original-article-buffer)
7414 (save-restriction
7415 (message-narrow-to-head)
7416 (let ((groups (nnmail-article-group 'identity trace)))
7417 (unless silent
7418 (if groups
7419 (message "This message would go to %s"
7420 (mapconcat 'car groups ", "))
7421 (message "This message would go to no groups"))
7422 groups))))))
7424 (defun gnus-summary-respool-trace ()
7425 "Trace where the respool algorithm would put this article.
7426 Display a buffer showing all fancy splitting patterns which matched."
7427 (interactive)
7428 (gnus-summary-respool-query nil t))
7430 ;; Summary marking commands.
7432 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
7433 "Mark articles which has the same subject as read, and then select the next.
7434 If UNMARK is positive, remove any kind of mark.
7435 If UNMARK is negative, tick articles."
7436 (interactive "P")
7437 (when unmark
7438 (setq unmark (prefix-numeric-value unmark)))
7439 (let ((count
7440 (gnus-summary-mark-same-subject
7441 (gnus-summary-article-subject) unmark)))
7442 ;; Select next unread article. If auto-select-same mode, should
7443 ;; select the first unread article.
7444 (gnus-summary-next-article t (and gnus-auto-select-same
7445 (gnus-summary-article-subject)))
7446 (gnus-message 7 "%d article%s marked as %s"
7447 count (if (= count 1) " is" "s are")
7448 (if unmark "unread" "read"))))
7450 (defun gnus-summary-kill-same-subject (&optional unmark)
7451 "Mark articles which has the same subject as read.
7452 If UNMARK is positive, remove any kind of mark.
7453 If UNMARK is negative, tick articles."
7454 (interactive "P")
7455 (when unmark
7456 (setq unmark (prefix-numeric-value unmark)))
7457 (let ((count
7458 (gnus-summary-mark-same-subject
7459 (gnus-summary-article-subject) unmark)))
7460 ;; If marked as read, go to next unread subject.
7461 (when (null unmark)
7462 ;; Go to next unread subject.
7463 (gnus-summary-next-subject 1 t))
7464 (gnus-message 7 "%d articles are marked as %s"
7465 count (if unmark "unread" "read"))))
7467 (defun gnus-summary-mark-same-subject (subject &optional unmark)
7468 "Mark articles with same SUBJECT as read, and return marked number.
7469 If optional argument UNMARK is positive, remove any kinds of marks.
7470 If optional argument UNMARK is negative, mark articles as unread instead."
7471 (let ((count 1))
7472 (save-excursion
7473 (cond
7474 ((null unmark) ; Mark as read.
7475 (while (and
7476 (progn
7477 (gnus-summary-mark-article-as-read gnus-killed-mark)
7478 (gnus-summary-show-thread) t)
7479 (gnus-summary-find-subject subject))
7480 (setq count (1+ count))))
7481 ((> unmark 0) ; Tick.
7482 (while (and
7483 (progn
7484 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
7485 (gnus-summary-show-thread) t)
7486 (gnus-summary-find-subject subject))
7487 (setq count (1+ count))))
7488 (t ; Mark as unread.
7489 (while (and
7490 (progn
7491 (gnus-summary-mark-article-as-unread gnus-unread-mark)
7492 (gnus-summary-show-thread) t)
7493 (gnus-summary-find-subject subject))
7494 (setq count (1+ count)))))
7495 (gnus-set-mode-line 'summary)
7496 ;; Return the number of marked articles.
7497 count)))
7499 (defun gnus-summary-mark-as-processable (n &optional unmark)
7500 "Set the process mark on the next N articles.
7501 If N is negative, mark backward instead. If UNMARK is non-nil, remove
7502 the process mark instead. The difference between N and the actual
7503 number of articles marked is returned."
7504 (interactive "p")
7505 (let ((backward (< n 0))
7506 (n (abs n)))
7507 (while (and
7508 (> n 0)
7509 (if unmark
7510 (gnus-summary-remove-process-mark
7511 (gnus-summary-article-number))
7512 (gnus-summary-set-process-mark (gnus-summary-article-number)))
7513 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
7514 (setq n (1- n)))
7515 (when (/= 0 n)
7516 (gnus-message 7 "No more articles"))
7517 (gnus-summary-recenter)
7518 (gnus-summary-position-point)
7521 (defun gnus-summary-unmark-as-processable (n)
7522 "Remove the process mark from the next N articles.
7523 If N is negative, unmark backward instead. The difference between N and
7524 the actual number of articles unmarked is returned."
7525 (interactive "p")
7526 (gnus-summary-mark-as-processable n t))
7528 (defun gnus-summary-unmark-all-processable ()
7529 "Remove the process mark from all articles."
7530 (interactive)
7531 (save-excursion
7532 (while gnus-newsgroup-processable
7533 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
7534 (gnus-summary-position-point))
7536 (defun gnus-summary-mark-as-expirable (n)
7537 "Mark N articles forward as expirable.
7538 If N is negative, mark backward instead. The difference between N and
7539 the actual number of articles marked is returned."
7540 (interactive "p")
7541 (gnus-summary-mark-forward n gnus-expirable-mark))
7543 (defun gnus-summary-mark-article-as-replied (article)
7544 "Mark ARTICLE replied and update the summary line."
7545 (push article gnus-newsgroup-replied)
7546 (let ((buffer-read-only nil))
7547 (when (gnus-summary-goto-subject article)
7548 (gnus-summary-update-secondary-mark article))))
7550 (defun gnus-summary-set-bookmark (article)
7551 "Set a bookmark in current article."
7552 (interactive (list (gnus-summary-article-number)))
7553 (when (or (not (get-buffer gnus-article-buffer))
7554 (not gnus-current-article)
7555 (not gnus-article-current)
7556 (not (equal gnus-newsgroup-name (car gnus-article-current))))
7557 (error "No current article selected"))
7558 ;; Remove old bookmark, if one exists.
7559 (let ((old (assq article gnus-newsgroup-bookmarks)))
7560 (when old
7561 (setq gnus-newsgroup-bookmarks
7562 (delq old gnus-newsgroup-bookmarks))))
7563 ;; Set the new bookmark, which is on the form
7564 ;; (article-number . line-number-in-body).
7565 (push
7566 (cons article
7567 (save-excursion
7568 (set-buffer gnus-article-buffer)
7569 (count-lines
7570 (min (point)
7571 (save-excursion
7572 (goto-char (point-min))
7573 (search-forward "\n\n" nil t)
7574 (point)))
7575 (point))))
7576 gnus-newsgroup-bookmarks)
7577 (gnus-message 6 "A bookmark has been added to the current article."))
7579 (defun gnus-summary-remove-bookmark (article)
7580 "Remove the bookmark from the current article."
7581 (interactive (list (gnus-summary-article-number)))
7582 ;; Remove old bookmark, if one exists.
7583 (let ((old (assq article gnus-newsgroup-bookmarks)))
7584 (if old
7585 (progn
7586 (setq gnus-newsgroup-bookmarks
7587 (delq old gnus-newsgroup-bookmarks))
7588 (gnus-message 6 "Removed bookmark."))
7589 (gnus-message 6 "No bookmark in current article."))))
7591 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
7592 (defun gnus-summary-mark-as-dormant (n)
7593 "Mark N articles forward as dormant.
7594 If N is negative, mark backward instead. The difference between N and
7595 the actual number of articles marked is returned."
7596 (interactive "p")
7597 (gnus-summary-mark-forward n gnus-dormant-mark))
7599 (defun gnus-summary-set-process-mark (article)
7600 "Set the process mark on ARTICLE and update the summary line."
7601 (setq gnus-newsgroup-processable
7602 (cons article
7603 (delq article gnus-newsgroup-processable)))
7604 (when (gnus-summary-goto-subject article)
7605 (gnus-summary-show-thread)
7606 (gnus-summary-goto-subject article)
7607 (gnus-summary-update-secondary-mark article)))
7609 (defun gnus-summary-remove-process-mark (article)
7610 "Remove the process mark from ARTICLE and update the summary line."
7611 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
7612 (when (gnus-summary-goto-subject article)
7613 (gnus-summary-show-thread)
7614 (gnus-summary-goto-subject article)
7615 (gnus-summary-update-secondary-mark article)))
7617 (defun gnus-summary-set-saved-mark (article)
7618 "Set the process mark on ARTICLE and update the summary line."
7619 (push article gnus-newsgroup-saved)
7620 (when (gnus-summary-goto-subject article)
7621 (gnus-summary-update-secondary-mark article)))
7623 (defun gnus-summary-mark-forward (n &optional mark no-expire)
7624 "Mark N articles as read forwards.
7625 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
7626 The difference between N and the actual number of articles marked is
7627 returned."
7628 (interactive "p")
7629 (let ((backward (< n 0))
7630 (gnus-summary-goto-unread
7631 (and gnus-summary-goto-unread
7632 (not (eq gnus-summary-goto-unread 'never))
7633 (not (memq mark (list gnus-unread-mark
7634 gnus-ticked-mark gnus-dormant-mark)))))
7635 (n (abs n))
7636 (mark (or mark gnus-del-mark)))
7637 (while (and (> n 0)
7638 (gnus-summary-mark-article nil mark no-expire)
7639 (zerop (gnus-summary-next-subject
7640 (if backward -1 1)
7641 (and gnus-summary-goto-unread
7642 (not (eq gnus-summary-goto-unread 'never)))
7643 t)))
7644 (setq n (1- n)))
7645 (when (/= 0 n)
7646 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
7647 (gnus-summary-recenter)
7648 (gnus-summary-position-point)
7649 (gnus-set-mode-line 'summary)
7652 (defun gnus-summary-mark-article-as-read (mark)
7653 "Mark the current article quickly as read with MARK."
7654 (let ((article (gnus-summary-article-number)))
7655 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
7656 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
7657 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
7658 (push (cons article mark) gnus-newsgroup-reads)
7659 ;; Possibly remove from cache, if that is used.
7660 (when gnus-use-cache
7661 (gnus-cache-enter-remove-article article))
7662 ;; Allow the backend to change the mark.
7663 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
7664 ;; Check for auto-expiry.
7665 (when (and gnus-newsgroup-auto-expire
7666 (or (= mark gnus-killed-mark) (= mark gnus-del-mark)
7667 (= mark gnus-catchup-mark) (= mark gnus-low-score-mark)
7668 (= mark gnus-ancient-mark)
7669 (= mark gnus-read-mark) (= mark gnus-souped-mark)
7670 (= mark gnus-duplicate-mark)))
7671 (setq mark gnus-expirable-mark)
7672 ;; Let the backend know about the mark change.
7673 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
7674 (push article gnus-newsgroup-expirable))
7675 ;; Set the mark in the buffer.
7676 (gnus-summary-update-mark mark 'unread)
7679 (defun gnus-summary-mark-article-as-unread (mark)
7680 "Mark the current article quickly as unread with MARK."
7681 (let* ((article (gnus-summary-article-number))
7682 (old-mark (gnus-summary-article-mark article)))
7683 ;; Allow the backend to change the mark.
7684 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
7685 (if (eq mark old-mark)
7687 (if (<= article 0)
7688 (progn
7689 (gnus-error 1 "Can't mark negative article numbers")
7690 nil)
7691 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
7692 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
7693 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
7694 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
7695 (cond ((= mark gnus-ticked-mark)
7696 (push article gnus-newsgroup-marked))
7697 ((= mark gnus-dormant-mark)
7698 (push article gnus-newsgroup-dormant))
7700 (push article gnus-newsgroup-unreads)))
7701 (gnus-pull article gnus-newsgroup-reads)
7703 ;; See whether the article is to be put in the cache.
7704 (and gnus-use-cache
7705 (vectorp (gnus-summary-article-header article))
7706 (save-excursion
7707 (gnus-cache-possibly-enter-article
7708 gnus-newsgroup-name article
7709 (gnus-summary-article-header article)
7710 (= mark gnus-ticked-mark)
7711 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
7713 ;; Fix the mark.
7714 (gnus-summary-update-mark mark 'unread)
7715 t))))
7717 (defun gnus-summary-mark-article (&optional article mark no-expire)
7718 "Mark ARTICLE with MARK. MARK can be any character.
7719 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
7720 `??' (dormant) and `?E' (expirable).
7721 If MARK is nil, then the default character `?D' is used.
7722 If ARTICLE is nil, then the article on the current line will be
7723 marked."
7724 ;; The mark might be a string.
7725 (when (stringp mark)
7726 (setq mark (aref mark 0)))
7727 ;; If no mark is given, then we check auto-expiring.
7728 (and (not no-expire)
7729 gnus-newsgroup-auto-expire
7730 (or (not mark)
7731 (and (gnus-characterp mark)
7732 (or (= mark gnus-killed-mark) (= mark gnus-del-mark)
7733 (= mark gnus-catchup-mark) (= mark gnus-low-score-mark)
7734 (= mark gnus-read-mark) (= mark gnus-souped-mark)
7735 (= mark gnus-duplicate-mark))))
7736 (setq mark gnus-expirable-mark))
7737 (let* ((mark (or mark gnus-del-mark))
7738 (article (or article (gnus-summary-article-number)))
7739 (old-mark (gnus-summary-article-mark article)))
7740 ;; Allow the backend to change the mark.
7741 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
7742 (if (eq mark old-mark)
7744 (unless article
7745 (error "No article on current line"))
7746 (if (not (if (or (= mark gnus-unread-mark)
7747 (= mark gnus-ticked-mark)
7748 (= mark gnus-dormant-mark))
7749 (gnus-mark-article-as-unread article mark)
7750 (gnus-mark-article-as-read article mark)))
7752 ;; See whether the article is to be put in the cache.
7753 (and gnus-use-cache
7754 (not (= mark gnus-canceled-mark))
7755 (vectorp (gnus-summary-article-header article))
7756 (save-excursion
7757 (gnus-cache-possibly-enter-article
7758 gnus-newsgroup-name article
7759 (gnus-summary-article-header article)
7760 (= mark gnus-ticked-mark)
7761 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
7763 (when (gnus-summary-goto-subject article nil t)
7764 (let ((buffer-read-only nil))
7765 (gnus-summary-show-thread)
7766 ;; Fix the mark.
7767 (gnus-summary-update-mark mark 'unread)
7768 t))))))
7770 (defun gnus-summary-update-secondary-mark (article)
7771 "Update the secondary (read, process, cache) mark."
7772 (gnus-summary-update-mark
7773 (cond ((memq article gnus-newsgroup-processable)
7774 gnus-process-mark)
7775 ((memq article gnus-newsgroup-cached)
7776 gnus-cached-mark)
7777 ((memq article gnus-newsgroup-replied)
7778 gnus-replied-mark)
7779 ((memq article gnus-newsgroup-saved)
7780 gnus-saved-mark)
7781 (t gnus-unread-mark))
7782 'replied)
7783 (when (gnus-visual-p 'summary-highlight 'highlight)
7784 (gnus-run-hooks 'gnus-summary-update-hook))
7787 (defun gnus-summary-update-mark (mark type)
7788 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
7789 (buffer-read-only nil))
7790 (re-search-backward "[\n\r]" (gnus-point-at-bol) 'move-to-limit)
7791 (when (looking-at "\r")
7792 (incf forward))
7793 (when (and forward
7794 (<= (+ forward (point)) (point-max)))
7795 ;; Go to the right position on the line.
7796 (goto-char (+ forward (point)))
7797 ;; Replace the old mark with the new mark.
7798 (subst-char-in-region (point) (1+ (point)) (following-char) mark)
7799 ;; Optionally update the marks by some user rule.
7800 (when (eq type 'unread)
7801 (gnus-data-set-mark
7802 (gnus-data-find (gnus-summary-article-number)) mark)
7803 (gnus-summary-update-line (eq mark gnus-unread-mark))))))
7805 (defun gnus-mark-article-as-read (article &optional mark)
7806 "Enter ARTICLE in the pertinent lists and remove it from others."
7807 ;; Make the article expirable.
7808 (let ((mark (or mark gnus-del-mark)))
7809 (if (= mark gnus-expirable-mark)
7810 (push article gnus-newsgroup-expirable)
7811 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)))
7812 ;; Remove from unread and marked lists.
7813 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
7814 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
7815 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
7816 (push (cons article mark) gnus-newsgroup-reads)
7817 ;; Possibly remove from cache, if that is used.
7818 (when gnus-use-cache
7819 (gnus-cache-enter-remove-article article))
7822 (defun gnus-mark-article-as-unread (article &optional mark)
7823 "Enter ARTICLE in the pertinent lists and remove it from others."
7824 (let ((mark (or mark gnus-ticked-mark)))
7825 (if (<= article 0)
7826 (progn
7827 (gnus-error 1 "Can't mark negative article numbers")
7828 nil)
7829 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
7830 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
7831 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
7832 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
7834 ;; Unsuppress duplicates?
7835 (when gnus-suppress-duplicates
7836 (gnus-dup-unsuppress-article article))
7838 (cond ((= mark gnus-ticked-mark)
7839 (push article gnus-newsgroup-marked))
7840 ((= mark gnus-dormant-mark)
7841 (push article gnus-newsgroup-dormant))
7843 (push article gnus-newsgroup-unreads)))
7844 (gnus-pull article gnus-newsgroup-reads)
7845 t)))
7847 (defalias 'gnus-summary-mark-as-unread-forward
7848 'gnus-summary-tick-article-forward)
7849 (make-obsolete 'gnus-summary-mark-as-unread-forward
7850 'gnus-summary-tick-article-forward)
7851 (defun gnus-summary-tick-article-forward (n)
7852 "Tick N articles forwards.
7853 If N is negative, tick backwards instead.
7854 The difference between N and the number of articles ticked is returned."
7855 (interactive "p")
7856 (gnus-summary-mark-forward n gnus-ticked-mark))
7858 (defalias 'gnus-summary-mark-as-unread-backward
7859 'gnus-summary-tick-article-backward)
7860 (make-obsolete 'gnus-summary-mark-as-unread-backward
7861 'gnus-summary-tick-article-backward)
7862 (defun gnus-summary-tick-article-backward (n)
7863 "Tick N articles backwards.
7864 The difference between N and the number of articles ticked is returned."
7865 (interactive "p")
7866 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
7868 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
7869 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
7870 (defun gnus-summary-tick-article (&optional article clear-mark)
7871 "Mark current article as unread.
7872 Optional 1st argument ARTICLE specifies article number to be marked as unread.
7873 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
7874 (interactive)
7875 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
7876 gnus-ticked-mark)))
7878 (defun gnus-summary-mark-as-read-forward (n)
7879 "Mark N articles as read forwards.
7880 If N is negative, mark backwards instead.
7881 The difference between N and the actual number of articles marked is
7882 returned."
7883 (interactive "p")
7884 (gnus-summary-mark-forward n gnus-del-mark t))
7886 (defun gnus-summary-mark-as-read-backward (n)
7887 "Mark the N articles as read backwards.
7888 The difference between N and the actual number of articles marked is
7889 returned."
7890 (interactive "p")
7891 (gnus-summary-mark-forward (- n) gnus-del-mark t))
7893 (defun gnus-summary-mark-as-read (&optional article mark)
7894 "Mark current article as read.
7895 ARTICLE specifies the article to be marked as read.
7896 MARK specifies a string to be inserted at the beginning of the line."
7897 (gnus-summary-mark-article article mark))
7899 (defun gnus-summary-clear-mark-forward (n)
7900 "Clear marks from N articles forward.
7901 If N is negative, clear backward instead.
7902 The difference between N and the number of marks cleared is returned."
7903 (interactive "p")
7904 (gnus-summary-mark-forward n gnus-unread-mark))
7906 (defun gnus-summary-clear-mark-backward (n)
7907 "Clear marks from N articles backward.
7908 The difference between N and the number of marks cleared is returned."
7909 (interactive "p")
7910 (gnus-summary-mark-forward (- n) gnus-unread-mark))
7912 (defun gnus-summary-mark-unread-as-read ()
7913 "Intended to be used by `gnus-summary-mark-article-hook'."
7914 (when (memq gnus-current-article gnus-newsgroup-unreads)
7915 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
7917 (defun gnus-summary-mark-read-and-unread-as-read ()
7918 "Intended to be used by `gnus-summary-mark-article-hook'."
7919 (let ((mark (gnus-summary-article-mark)))
7920 (when (or (gnus-unread-mark-p mark)
7921 (gnus-read-mark-p mark))
7922 (gnus-summary-mark-article gnus-current-article gnus-read-mark))))
7924 (defun gnus-summary-mark-region-as-read (point mark all)
7925 "Mark all unread articles between point and mark as read.
7926 If given a prefix, mark all articles between point and mark as read,
7927 even ticked and dormant ones."
7928 (interactive "r\nP")
7929 (save-excursion
7930 (let (article)
7931 (goto-char point)
7932 (beginning-of-line)
7933 (while (and
7934 (< (point) mark)
7935 (progn
7936 (when (or all
7937 (memq (setq article (gnus-summary-article-number))
7938 gnus-newsgroup-unreads))
7939 (gnus-summary-mark-article article gnus-del-mark))
7941 (gnus-summary-find-next))))))
7943 (defun gnus-summary-mark-below (score mark)
7944 "Mark articles with score less than SCORE with MARK."
7945 (interactive "P\ncMark: ")
7946 (setq score (if score
7947 (prefix-numeric-value score)
7948 (or gnus-summary-default-score 0)))
7949 (save-excursion
7950 (set-buffer gnus-summary-buffer)
7951 (goto-char (point-min))
7952 (while
7953 (progn
7954 (and (< (gnus-summary-article-score) score)
7955 (gnus-summary-mark-article nil mark))
7956 (gnus-summary-find-next)))))
7958 (defun gnus-summary-kill-below (&optional score)
7959 "Mark articles with score below SCORE as read."
7960 (interactive "P")
7961 (gnus-summary-mark-below score gnus-killed-mark))
7963 (defun gnus-summary-clear-above (&optional score)
7964 "Clear all marks from articles with score above SCORE."
7965 (interactive "P")
7966 (gnus-summary-mark-above score gnus-unread-mark))
7968 (defun gnus-summary-tick-above (&optional score)
7969 "Tick all articles with score above SCORE."
7970 (interactive "P")
7971 (gnus-summary-mark-above score gnus-ticked-mark))
7973 (defun gnus-summary-mark-above (score mark)
7974 "Mark articles with score over SCORE with MARK."
7975 (interactive "P\ncMark: ")
7976 (setq score (if score
7977 (prefix-numeric-value score)
7978 (or gnus-summary-default-score 0)))
7979 (save-excursion
7980 (set-buffer gnus-summary-buffer)
7981 (goto-char (point-min))
7982 (while (and (progn
7983 (when (> (gnus-summary-article-score) score)
7984 (gnus-summary-mark-article nil mark))
7986 (gnus-summary-find-next)))))
7988 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
7989 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
7990 (defun gnus-summary-limit-include-expunged (&optional no-error)
7991 "Display all the hidden articles that were expunged for low scores."
7992 (interactive)
7993 (let ((buffer-read-only nil))
7994 (let ((scored gnus-newsgroup-scored)
7995 headers h)
7996 (while scored
7997 (unless (gnus-summary-goto-subject (caar scored))
7998 (and (setq h (gnus-summary-article-header (caar scored)))
7999 (< (cdar scored) gnus-summary-expunge-below)
8000 (push h headers)))
8001 (setq scored (cdr scored)))
8002 (if (not headers)
8003 (when (not no-error)
8004 (error "No expunged articles hidden"))
8005 (goto-char (point-min))
8006 (gnus-summary-prepare-unthreaded (nreverse headers))
8007 (goto-char (point-min))
8008 (gnus-summary-position-point)
8009 t))))
8011 (defun gnus-summary-catchup (&optional all quietly to-here not-mark)
8012 "Mark all unread articles in this newsgroup as read.
8013 If prefix argument ALL is non-nil, ticked and dormant articles will
8014 also be marked as read.
8015 If QUIETLY is non-nil, no questions will be asked.
8016 If TO-HERE is non-nil, it should be a point in the buffer. All
8017 articles before this point will be marked as read.
8018 Note that this function will only catch up the unread article
8019 in the current summary buffer limitation.
8020 The number of articles marked as read is returned."
8021 (interactive "P")
8022 (prog1
8023 (save-excursion
8024 (when (or quietly
8025 (not gnus-interactive-catchup) ;Without confirmation?
8026 gnus-expert-user
8027 (gnus-y-or-n-p
8028 (if all
8029 "Mark absolutely all articles as read? "
8030 "Mark all unread articles as read? ")))
8031 (if (and not-mark
8032 (not gnus-newsgroup-adaptive)
8033 (not gnus-newsgroup-auto-expire)
8034 (not gnus-suppress-duplicates)
8035 (or (not gnus-use-cache)
8036 (eq gnus-use-cache 'passive)))
8037 (progn
8038 (when all
8039 (setq gnus-newsgroup-marked nil
8040 gnus-newsgroup-dormant nil))
8041 (setq gnus-newsgroup-unreads gnus-newsgroup-downloadable))
8042 ;; We actually mark all articles as canceled, which we
8043 ;; have to do when using auto-expiry or adaptive scoring.
8044 (gnus-summary-show-all-threads)
8045 (when (gnus-summary-first-subject (not all) t)
8046 (while (and
8047 (if to-here (< (point) to-here) t)
8048 (gnus-summary-mark-article-as-read gnus-catchup-mark)
8049 (gnus-summary-find-next (not all) nil nil t))))
8050 (gnus-set-mode-line 'summary))
8052 (gnus-summary-position-point)))
8054 (defun gnus-summary-catchup-to-here (&optional all)
8055 "Mark all unticked articles before the current one as read.
8056 If ALL is non-nil, also mark ticked and dormant articles as read."
8057 (interactive "P")
8058 (save-excursion
8059 (gnus-save-hidden-threads
8060 (let ((beg (point)))
8061 ;; We check that there are unread articles.
8062 (when (or all (gnus-summary-find-prev))
8063 (gnus-summary-catchup all t beg)))))
8064 (gnus-summary-position-point))
8066 (defun gnus-summary-catchup-all (&optional quietly)
8067 "Mark all articles in this newsgroup as read."
8068 (interactive "P")
8069 (gnus-summary-catchup t quietly))
8071 (defun gnus-summary-catchup-and-exit (&optional all quietly)
8072 "Mark all articles not marked as unread in this newsgroup as read, then exit.
8073 If prefix argument ALL is non-nil, all articles are marked as read."
8074 (interactive "P")
8075 (when (gnus-summary-catchup all quietly nil 'fast)
8076 ;; Select next newsgroup or exit.
8077 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
8078 (eq gnus-auto-select-next 'quietly))
8079 (gnus-summary-next-group nil)
8080 (gnus-summary-exit))))
8082 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
8083 "Mark all articles in this newsgroup as read, and then exit."
8084 (interactive "P")
8085 (gnus-summary-catchup-and-exit t quietly))
8087 ;; Suggested by "Arne Eofsson" <arne@hodgkin.mbi.ucla.edu>.
8088 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
8089 "Mark all articles in this group as read and select the next group.
8090 If given a prefix, mark all articles, unread as well as ticked, as
8091 read."
8092 (interactive "P")
8093 (save-excursion
8094 (gnus-summary-catchup all))
8095 (gnus-summary-next-article t nil nil t))
8097 ;; Thread-based commands.
8099 (defun gnus-summary-articles-in-thread (&optional article)
8100 "Return a list of all articles in the current thread.
8101 If ARTICLE is non-nil, return all articles in the thread that starts
8102 with that article."
8103 (let* ((article (or article (gnus-summary-article-number)))
8104 (data (gnus-data-find-list article))
8105 (top-level (gnus-data-level (car data)))
8106 (top-subject
8107 (cond ((null gnus-thread-operation-ignore-subject)
8108 (gnus-simplify-subject-re
8109 (mail-header-subject (gnus-data-header (car data)))))
8110 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
8111 (gnus-simplify-subject-fuzzy
8112 (mail-header-subject (gnus-data-header (car data)))))
8113 (t nil)))
8114 (end-point (save-excursion
8115 (if (gnus-summary-go-to-next-thread)
8116 (point) (point-max))))
8117 articles)
8118 (while (and data
8119 (< (gnus-data-pos (car data)) end-point))
8120 (when (or (not top-subject)
8121 (string= top-subject
8122 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
8123 (gnus-simplify-subject-fuzzy
8124 (mail-header-subject
8125 (gnus-data-header (car data))))
8126 (gnus-simplify-subject-re
8127 (mail-header-subject
8128 (gnus-data-header (car data)))))))
8129 (push (gnus-data-number (car data)) articles))
8130 (unless (and (setq data (cdr data))
8131 (> (gnus-data-level (car data)) top-level))
8132 (setq data nil)))
8133 ;; Return the list of articles.
8134 (nreverse articles)))
8136 (defun gnus-summary-rethread-current ()
8137 "Rethread the thread the current article is part of."
8138 (interactive)
8139 (let* ((gnus-show-threads t)
8140 (article (gnus-summary-article-number))
8141 (id (mail-header-id (gnus-summary-article-header)))
8142 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
8143 (unless id
8144 (error "No article on the current line"))
8145 (gnus-rebuild-thread id)
8146 (gnus-summary-goto-subject article)))
8148 (defun gnus-summary-reparent-thread ()
8149 "Make the current article child of the marked (or previous) article.
8151 Note that the re-threading will only work if `gnus-thread-ignore-subject'
8152 is non-nil or the Subject: of both articles are the same."
8153 (interactive)
8154 (unless (not (gnus-group-read-only-p))
8155 (error "The current newsgroup does not support article editing"))
8156 (unless (<= (length gnus-newsgroup-processable) 1)
8157 (error "No more than one article may be marked"))
8158 (save-window-excursion
8159 (let ((gnus-article-buffer " *reparent*")
8160 (current-article (gnus-summary-article-number))
8161 ;; First grab the marked article, otherwise one line up.
8162 (parent-article (if (not (null gnus-newsgroup-processable))
8163 (car gnus-newsgroup-processable)
8164 (save-excursion
8165 (if (eq (forward-line -1) 0)
8166 (gnus-summary-article-number)
8167 (error "Beginning of summary buffer"))))))
8168 (unless (not (eq current-article parent-article))
8169 (error "An article may not be self-referential"))
8170 (let ((message-id (mail-header-id
8171 (gnus-summary-article-header parent-article))))
8172 (unless (and message-id (not (equal message-id "")))
8173 (error "No message-id in desired parent"))
8174 ;; We don't want the article to be marked as read.
8175 (let (gnus-mark-article-hook)
8176 (gnus-summary-select-article t t nil current-article))
8177 (set-buffer gnus-original-article-buffer)
8178 (let ((buf (format "%s" (buffer-string))))
8179 (nnheader-temp-write nil
8180 (insert buf)
8181 (goto-char (point-min))
8182 (if (re-search-forward "^References: " nil t)
8183 (progn
8184 (re-search-forward "^[^ \t]" nil t)
8185 (forward-line -1)
8186 (end-of-line)
8187 (insert " " message-id))
8188 (insert "References: " message-id "\n"))
8189 (unless (gnus-request-replace-article
8190 current-article (car gnus-article-current)
8191 (current-buffer))
8192 (error "Couldn't replace article"))))
8193 (set-buffer gnus-summary-buffer)
8194 (gnus-summary-unmark-all-processable)
8195 (gnus-summary-update-article current-article)
8196 (gnus-summary-rethread-current)
8197 (gnus-message 3 "Article %d is now the child of article %d"
8198 current-article parent-article)))))
8200 (defun gnus-summary-toggle-threads (&optional arg)
8201 "Toggle showing conversation threads.
8202 If ARG is positive number, turn showing conversation threads on."
8203 (interactive "P")
8204 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
8205 (setq gnus-show-threads
8206 (if (null arg) (not gnus-show-threads)
8207 (> (prefix-numeric-value arg) 0)))
8208 (gnus-summary-prepare)
8209 (gnus-summary-goto-subject current)
8210 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
8211 (gnus-summary-position-point)))
8213 (defun gnus-summary-show-all-threads ()
8214 "Show all threads."
8215 (interactive)
8216 (save-excursion
8217 (let ((buffer-read-only nil))
8218 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
8219 (gnus-summary-position-point))
8221 (defun gnus-summary-show-thread ()
8222 "Show thread subtrees.
8223 Returns nil if no thread was there to be shown."
8224 (interactive)
8225 (let ((buffer-read-only nil)
8226 (orig (point))
8227 ;; first goto end then to beg, to have point at beg after let
8228 (end (progn (end-of-line) (point)))
8229 (beg (progn (beginning-of-line) (point))))
8230 (prog1
8231 ;; Any hidden lines here?
8232 (search-forward "\r" end t)
8233 (subst-char-in-region beg end ?\^M ?\n t)
8234 (goto-char orig)
8235 (gnus-summary-position-point))))
8237 (defun gnus-summary-hide-all-threads ()
8238 "Hide all thread subtrees."
8239 (interactive)
8240 (save-excursion
8241 (goto-char (point-min))
8242 (gnus-summary-hide-thread)
8243 (while (zerop (gnus-summary-next-thread 1 t))
8244 (gnus-summary-hide-thread)))
8245 (gnus-summary-position-point))
8247 (defun gnus-summary-hide-thread ()
8248 "Hide thread subtrees.
8249 Returns nil if no threads were there to be hidden."
8250 (interactive)
8251 (let ((buffer-read-only nil)
8252 (start (point))
8253 (article (gnus-summary-article-number)))
8254 (goto-char start)
8255 ;; Go forward until either the buffer ends or the subthread
8256 ;; ends.
8257 (when (and (not (eobp))
8258 (or (zerop (gnus-summary-next-thread 1 t))
8259 (goto-char (point-max))))
8260 (prog1
8261 (if (and (> (point) start)
8262 (search-backward "\n" start t))
8263 (progn
8264 (subst-char-in-region start (point) ?\n ?\^M)
8265 (gnus-summary-goto-subject article))
8266 (goto-char start)
8267 nil)
8268 ;;(gnus-summary-position-point)
8269 ))))
8271 (defun gnus-summary-go-to-next-thread (&optional previous)
8272 "Go to the same level (or less) next thread.
8273 If PREVIOUS is non-nil, go to previous thread instead.
8274 Return the article number moved to, or nil if moving was impossible."
8275 (let ((level (gnus-summary-thread-level))
8276 (way (if previous -1 1))
8277 (beg (point)))
8278 (forward-line way)
8279 (while (and (not (eobp))
8280 (< level (gnus-summary-thread-level)))
8281 (forward-line way))
8282 (if (eobp)
8283 (progn
8284 (goto-char beg)
8285 nil)
8286 (setq beg (point))
8287 (prog1
8288 (gnus-summary-article-number)
8289 (goto-char beg)))))
8291 (defun gnus-summary-next-thread (n &optional silent)
8292 "Go to the same level next N'th thread.
8293 If N is negative, search backward instead.
8294 Returns the difference between N and the number of skips actually
8295 done.
8297 If SILENT, don't output messages."
8298 (interactive "p")
8299 (let ((backward (< n 0))
8300 (n (abs n)))
8301 (while (and (> n 0)
8302 (gnus-summary-go-to-next-thread backward))
8303 (decf n))
8304 (unless silent
8305 (gnus-summary-position-point))
8306 (when (and (not silent) (/= 0 n))
8307 (gnus-message 7 "No more threads"))
8310 (defun gnus-summary-prev-thread (n)
8311 "Go to the same level previous N'th thread.
8312 Returns the difference between N and the number of skips actually
8313 done."
8314 (interactive "p")
8315 (gnus-summary-next-thread (- n)))
8317 (defun gnus-summary-go-down-thread ()
8318 "Go down one level in the current thread."
8319 (let ((children (gnus-summary-article-children)))
8320 (when children
8321 (gnus-summary-goto-subject (car children)))))
8323 (defun gnus-summary-go-up-thread ()
8324 "Go up one level in the current thread."
8325 (let ((parent (gnus-summary-article-parent)))
8326 (when parent
8327 (gnus-summary-goto-subject parent))))
8329 (defun gnus-summary-down-thread (n)
8330 "Go down thread N steps.
8331 If N is negative, go up instead.
8332 Returns the difference between N and how many steps down that were
8333 taken."
8334 (interactive "p")
8335 (let ((up (< n 0))
8336 (n (abs n)))
8337 (while (and (> n 0)
8338 (if up (gnus-summary-go-up-thread)
8339 (gnus-summary-go-down-thread)))
8340 (setq n (1- n)))
8341 (gnus-summary-position-point)
8342 (when (/= 0 n)
8343 (gnus-message 7 "Can't go further"))
8346 (defun gnus-summary-up-thread (n)
8347 "Go up thread N steps.
8348 If N is negative, go up instead.
8349 Returns the difference between N and how many steps down that were
8350 taken."
8351 (interactive "p")
8352 (gnus-summary-down-thread (- n)))
8354 (defun gnus-summary-top-thread ()
8355 "Go to the top of the thread."
8356 (interactive)
8357 (while (gnus-summary-go-up-thread))
8358 (gnus-summary-article-number))
8360 (defun gnus-summary-kill-thread (&optional unmark)
8361 "Mark articles under current thread as read.
8362 If the prefix argument is positive, remove any kinds of marks.
8363 If the prefix argument is negative, tick articles instead."
8364 (interactive "P")
8365 (when unmark
8366 (setq unmark (prefix-numeric-value unmark)))
8367 (let ((articles (gnus-summary-articles-in-thread)))
8368 (save-excursion
8369 ;; Expand the thread.
8370 (gnus-summary-show-thread)
8371 ;; Mark all the articles.
8372 (while articles
8373 (gnus-summary-goto-subject (car articles))
8374 (cond ((null unmark)
8375 (gnus-summary-mark-article-as-read gnus-killed-mark))
8376 ((> unmark 0)
8377 (gnus-summary-mark-article-as-unread gnus-unread-mark))
8379 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
8380 (setq articles (cdr articles))))
8381 ;; Hide killed subtrees.
8382 (and (null unmark)
8383 gnus-thread-hide-killed
8384 (gnus-summary-hide-thread))
8385 ;; If marked as read, go to next unread subject.
8386 (when (null unmark)
8387 ;; Go to next unread subject.
8388 (gnus-summary-next-subject 1 t)))
8389 (gnus-set-mode-line 'summary))
8391 ;; Summary sorting commands
8393 (defun gnus-summary-sort-by-number (&optional reverse)
8394 "Sort the summary buffer by article number.
8395 Argument REVERSE means reverse order."
8396 (interactive "P")
8397 (gnus-summary-sort 'number reverse))
8399 (defun gnus-summary-sort-by-author (&optional reverse)
8400 "Sort the summary buffer by author name alphabetically.
8401 If case-fold-search is non-nil, case of letters is ignored.
8402 Argument REVERSE means reverse order."
8403 (interactive "P")
8404 (gnus-summary-sort 'author reverse))
8406 (defun gnus-summary-sort-by-subject (&optional reverse)
8407 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
8408 If case-fold-search is non-nil, case of letters is ignored.
8409 Argument REVERSE means reverse order."
8410 (interactive "P")
8411 (gnus-summary-sort 'subject reverse))
8413 (defun gnus-summary-sort-by-date (&optional reverse)
8414 "Sort the summary buffer by date.
8415 Argument REVERSE means reverse order."
8416 (interactive "P")
8417 (gnus-summary-sort 'date reverse))
8419 (defun gnus-summary-sort-by-score (&optional reverse)
8420 "Sort the summary buffer by score.
8421 Argument REVERSE means reverse order."
8422 (interactive "P")
8423 (gnus-summary-sort 'score reverse))
8425 (defun gnus-summary-sort-by-lines (&optional reverse)
8426 "Sort the summary buffer by article length.
8427 Argument REVERSE means reverse order."
8428 (interactive "P")
8429 (gnus-summary-sort 'lines reverse))
8431 (defun gnus-summary-sort (predicate reverse)
8432 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
8433 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
8434 (article (intern (format "gnus-article-sort-by-%s" predicate)))
8435 (gnus-thread-sort-functions
8436 (list
8437 (if (not reverse)
8438 thread
8439 `(lambda (t1 t2)
8440 (,thread t2 t1)))))
8441 (gnus-article-sort-functions
8442 (list
8443 (if (not reverse)
8444 article
8445 `(lambda (t1 t2)
8446 (,article t2 t1)))))
8447 (buffer-read-only)
8448 (gnus-summary-prepare-hook nil))
8449 ;; We do the sorting by regenerating the threads.
8450 (gnus-summary-prepare)
8451 ;; Hide subthreads if needed.
8452 (when (and gnus-show-threads gnus-thread-hide-subtree)
8453 (gnus-summary-hide-all-threads))))
8455 ;; Summary saving commands.
8457 (defun gnus-summary-save-article (&optional n not-saved)
8458 "Save the current article using the default saver function.
8459 If N is a positive number, save the N next articles.
8460 If N is a negative number, save the N previous articles.
8461 If N is nil and any articles have been marked with the process mark,
8462 save those articles instead.
8463 The variable `gnus-default-article-saver' specifies the saver function."
8464 (interactive "P")
8465 (let* ((articles (gnus-summary-work-articles n))
8466 (save-buffer (save-excursion
8467 (nnheader-set-temp-buffer " *Gnus Save*")))
8468 (num (length articles))
8469 header article file)
8470 (while articles
8471 (setq header (gnus-summary-article-header
8472 (setq article (pop articles))))
8473 (if (not (vectorp header))
8474 ;; This is a pseudo-article.
8475 (if (assq 'name header)
8476 (gnus-copy-file (cdr (assq 'name header)))
8477 (gnus-message 1 "Article %d is unsaveable" article))
8478 ;; This is a real article.
8479 (save-window-excursion
8480 (gnus-summary-select-article t nil nil article))
8481 (save-excursion
8482 (set-buffer save-buffer)
8483 (erase-buffer)
8484 (insert-buffer-substring gnus-original-article-buffer))
8485 (setq file (gnus-article-save save-buffer file num))
8486 (gnus-summary-remove-process-mark article)
8487 (unless not-saved
8488 (gnus-summary-set-saved-mark article))))
8489 (gnus-kill-buffer save-buffer)
8490 (gnus-summary-position-point)
8491 (gnus-set-mode-line 'summary)
8494 (defun gnus-summary-pipe-output (&optional arg)
8495 "Pipe the current article to a subprocess.
8496 If N is a positive number, pipe the N next articles.
8497 If N is a negative number, pipe the N previous articles.
8498 If N is nil and any articles have been marked with the process mark,
8499 pipe those articles instead."
8500 (interactive "P")
8501 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe))
8502 (gnus-summary-save-article arg t))
8503 (gnus-configure-windows 'pipe))
8505 (defun gnus-summary-save-article-mail (&optional arg)
8506 "Append the current article to an mail file.
8507 If N is a positive number, save the N next articles.
8508 If N is a negative number, save the N previous articles.
8509 If N is nil and any articles have been marked with the process mark,
8510 save those articles instead."
8511 (interactive "P")
8512 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
8513 (gnus-summary-save-article arg)))
8515 (defun gnus-summary-save-article-rmail (&optional arg)
8516 "Append the current article to an rmail file.
8517 If N is a positive number, save the N next articles.
8518 If N is a negative number, save the N previous articles.
8519 If N is nil and any articles have been marked with the process mark,
8520 save those articles instead."
8521 (interactive "P")
8522 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
8523 (gnus-summary-save-article arg)))
8525 (defun gnus-summary-save-article-file (&optional arg)
8526 "Append the current article to a file.
8527 If N is a positive number, save the N next articles.
8528 If N is a negative number, save the N previous articles.
8529 If N is nil and any articles have been marked with the process mark,
8530 save those articles instead."
8531 (interactive "P")
8532 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
8533 (gnus-summary-save-article arg)))
8535 (defun gnus-summary-write-article-file (&optional arg)
8536 "Write the current article to a file, deleting the previous file.
8537 If N is a positive number, save the N next articles.
8538 If N is a negative number, save the N previous articles.
8539 If N is nil and any articles have been marked with the process mark,
8540 save those articles instead."
8541 (interactive "P")
8542 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
8543 (gnus-summary-save-article arg)))
8545 (defun gnus-summary-save-article-body-file (&optional arg)
8546 "Append the current article body to a file.
8547 If N is a positive number, save the N next articles.
8548 If N is a negative number, save the N previous articles.
8549 If N is nil and any articles have been marked with the process mark,
8550 save those articles instead."
8551 (interactive "P")
8552 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
8553 (gnus-summary-save-article arg)))
8555 (defun gnus-summary-pipe-message (program)
8556 "Pipe the current article through PROGRAM."
8557 (interactive "sProgram: ")
8558 (gnus-summary-select-article)
8559 (let ((mail-header-separator ""))
8560 (gnus-eval-in-buffer-window gnus-article-buffer
8561 (save-restriction
8562 (widen)
8563 (let ((start (window-start))
8564 buffer-read-only)
8565 (message-pipe-buffer-body program)
8566 (set-window-start (get-buffer-window (current-buffer)) start))))))
8568 (defun gnus-get-split-value (methods)
8569 "Return a value based on the split METHODS."
8570 (let (split-name method result match)
8571 (when methods
8572 (save-excursion
8573 (set-buffer gnus-original-article-buffer)
8574 (save-restriction
8575 (nnheader-narrow-to-headers)
8576 (while methods
8577 (goto-char (point-min))
8578 (setq method (pop methods))
8579 (setq match (car method))
8580 (when (cond
8581 ((stringp match)
8582 ;; Regular expression.
8583 (ignore-errors
8584 (re-search-forward match nil t)))
8585 ((gnus-functionp match)
8586 ;; Function.
8587 (save-restriction
8588 (widen)
8589 (setq result (funcall match gnus-newsgroup-name))))
8590 ((consp match)
8591 ;; Form.
8592 (save-restriction
8593 (widen)
8594 (setq result (eval match)))))
8595 (setq split-name (append (cdr method) split-name))
8596 (cond ((stringp result)
8597 (push (expand-file-name
8598 result gnus-article-save-directory)
8599 split-name))
8600 ((consp result)
8601 (setq split-name (append result split-name)))))))))
8602 split-name))
8604 (defun gnus-valid-move-group-p (group)
8605 (and (boundp group)
8606 (symbol-name group)
8607 (memq 'respool
8608 (assoc (symbol-name
8609 (car (gnus-find-method-for-group
8610 (symbol-name group))))
8611 gnus-valid-select-methods))))
8613 (defun gnus-read-move-group-name (prompt default articles prefix)
8614 "Read a group name."
8615 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
8616 (minibuffer-confirm-incomplete nil) ; XEmacs
8617 (prom
8618 (format "%s %s to:"
8619 prompt
8620 (if (> (length articles) 1)
8621 (format "these %d articles" (length articles))
8622 "this article")))
8623 (to-newsgroup
8624 (cond
8625 ((null split-name)
8626 (gnus-completing-read default prom
8627 gnus-active-hashtb
8628 'gnus-valid-move-group-p
8629 nil prefix
8630 'gnus-group-history))
8631 ((= 1 (length split-name))
8632 (gnus-completing-read (car split-name) prom
8633 gnus-active-hashtb
8634 'gnus-valid-move-group-p
8635 nil nil
8636 'gnus-group-history))
8638 (gnus-completing-read nil prom
8639 (mapcar (lambda (el) (list el))
8640 (nreverse split-name))
8641 nil nil nil
8642 'gnus-group-history)))))
8643 (when to-newsgroup
8644 (if (or (string= to-newsgroup "")
8645 (string= to-newsgroup prefix))
8646 (setq to-newsgroup default))
8647 (unless to-newsgroup
8648 (error "No group name entered"))
8649 (or (gnus-active to-newsgroup)
8650 (gnus-activate-group to-newsgroup)
8651 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
8652 to-newsgroup))
8653 (or (and (gnus-request-create-group
8654 to-newsgroup (gnus-group-name-to-method to-newsgroup))
8655 (gnus-activate-group to-newsgroup nil nil
8656 (gnus-group-name-to-method
8657 to-newsgroup)))
8658 (error "Couldn't create group %s" to-newsgroup)))
8659 (error "No such group: %s" to-newsgroup)))
8660 to-newsgroup))
8662 ;; Summary extract commands
8664 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
8665 (let ((buffer-read-only nil)
8666 (article (gnus-summary-article-number))
8667 after-article b e)
8668 (unless (gnus-summary-goto-subject article)
8669 (error "No such article: %d" article))
8670 (gnus-summary-position-point)
8671 ;; If all commands are to be bunched up on one line, we collect
8672 ;; them here.
8673 (unless gnus-view-pseudos-separately
8674 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
8675 files action)
8676 (while ps
8677 (setq action (cdr (assq 'action (car ps))))
8678 (setq files (list (cdr (assq 'name (car ps)))))
8679 (while (and ps (cdr ps)
8680 (string= (or action "1")
8681 (or (cdr (assq 'action (cadr ps))) "2")))
8682 (push (cdr (assq 'name (cadr ps))) files)
8683 (setcdr ps (cddr ps)))
8684 (when files
8685 (when (not (string-match "%s" action))
8686 (push " " files))
8687 (push " " files)
8688 (when (assq 'execute (car ps))
8689 (setcdr (assq 'execute (car ps))
8690 (funcall (if (string-match "%s" action)
8691 'format 'concat)
8692 action
8693 (mapconcat
8694 (lambda (f)
8695 (if (equal f " ")
8697 (gnus-quote-arg-for-sh-or-csh f)))
8698 files " ")))))
8699 (setq ps (cdr ps)))))
8700 (if (and gnus-view-pseudos (not not-view))
8701 (while pslist
8702 (when (assq 'execute (car pslist))
8703 (gnus-execute-command (cdr (assq 'execute (car pslist)))
8704 (eq gnus-view-pseudos 'not-confirm)))
8705 (setq pslist (cdr pslist)))
8706 (save-excursion
8707 (while pslist
8708 (setq after-article (or (cdr (assq 'article (car pslist)))
8709 (gnus-summary-article-number)))
8710 (gnus-summary-goto-subject after-article)
8711 (forward-line 1)
8712 (setq b (point))
8713 (insert " " (file-name-nondirectory
8714 (cdr (assq 'name (car pslist))))
8715 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
8716 (setq e (point))
8717 (forward-line -1) ; back to `b'
8718 (gnus-add-text-properties
8719 b (1- e) (list 'gnus-number gnus-reffed-article-number
8720 gnus-mouse-face-prop gnus-mouse-face))
8721 (gnus-data-enter
8722 after-article gnus-reffed-article-number
8723 gnus-unread-mark b (car pslist) 0 (- e b))
8724 (push gnus-reffed-article-number gnus-newsgroup-unreads)
8725 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
8726 (setq pslist (cdr pslist)))))))
8728 (defun gnus-pseudos< (p1 p2)
8729 (let ((c1 (cdr (assq 'action p1)))
8730 (c2 (cdr (assq 'action p2))))
8731 (and c1 c2 (string< c1 c2))))
8733 (defun gnus-request-pseudo-article (props)
8734 (cond ((assq 'execute props)
8735 (gnus-execute-command (cdr (assq 'execute props)))))
8736 (let ((gnus-current-article (gnus-summary-article-number)))
8737 (gnus-run-hooks 'gnus-mark-article-hook)))
8739 (defun gnus-execute-command (command &optional automatic)
8740 (save-excursion
8741 (gnus-article-setup-buffer)
8742 (set-buffer gnus-article-buffer)
8743 (setq buffer-read-only nil)
8744 (let ((command (if automatic command
8745 (read-string "Command: " (cons command 0)))))
8746 (erase-buffer)
8747 (insert "$ " command "\n\n")
8748 (if gnus-view-pseudo-asynchronously
8749 (start-process "gnus-execute" (current-buffer) shell-file-name
8750 shell-command-switch command)
8751 (call-process shell-file-name nil t nil
8752 shell-command-switch command)))))
8754 ;; Summary kill commands.
8756 (defun gnus-summary-edit-global-kill (article)
8757 "Edit the \"global\" kill file."
8758 (interactive (list (gnus-summary-article-number)))
8759 (gnus-group-edit-global-kill article))
8761 (defun gnus-summary-edit-local-kill ()
8762 "Edit a local kill file applied to the current newsgroup."
8763 (interactive)
8764 (setq gnus-current-headers (gnus-summary-article-header))
8765 (gnus-group-edit-local-kill
8766 (gnus-summary-article-number) gnus-newsgroup-name))
8768 ;;; Header reading.
8770 (defun gnus-read-header (id &optional header)
8771 "Read the headers of article ID and enter them into the Gnus system."
8772 (let ((group gnus-newsgroup-name)
8773 (gnus-override-method
8774 (and (gnus-news-group-p gnus-newsgroup-name)
8775 gnus-refer-article-method))
8776 where)
8777 ;; First we check to see whether the header in question is already
8778 ;; fetched.
8779 (if (stringp id)
8780 ;; This is a Message-ID.
8781 (setq header (or header (gnus-id-to-header id)))
8782 ;; This is an article number.
8783 (setq header (or header (gnus-summary-article-header id))))
8784 (if (and header
8785 (not (gnus-summary-article-sparse-p (mail-header-number header))))
8786 ;; We have found the header.
8787 header
8788 ;; If this is a sparse article, we have to nix out its
8789 ;; previous entry in the thread hashtb.
8790 (when (and header
8791 (gnus-summary-article-sparse-p (mail-header-number header)))
8792 (let* ((parent (gnus-parent-id (mail-header-references header)))
8793 (thread (and parent (gnus-id-to-thread parent))))
8794 (when thread
8795 (delq (assq header thread) thread))))
8796 ;; We have to really fetch the header to this article.
8797 (save-excursion
8798 (set-buffer nntp-server-buffer)
8799 (when (setq where (gnus-request-head id group))
8800 (nnheader-fold-continuation-lines)
8801 (goto-char (point-max))
8802 (insert ".\n")
8803 (goto-char (point-min))
8804 (insert "211 ")
8805 (princ (cond
8806 ((numberp id) id)
8807 ((cdr where) (cdr where))
8808 (header (mail-header-number header))
8809 (t gnus-reffed-article-number))
8810 (current-buffer))
8811 (insert " Article retrieved.\n"))
8812 (if (or (not where)
8813 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
8814 () ; Malformed head.
8815 (unless (gnus-summary-article-sparse-p (mail-header-number header))
8816 (when (and (stringp id)
8817 (not (string= (gnus-group-real-name group)
8818 (car where))))
8819 ;; If we fetched by Message-ID and the article came
8820 ;; from a different group, we fudge some bogus article
8821 ;; numbers for this article.
8822 (mail-header-set-number header gnus-reffed-article-number))
8823 (save-excursion
8824 (set-buffer gnus-summary-buffer)
8825 (decf gnus-reffed-article-number)
8826 (gnus-remove-header (mail-header-number header))
8827 (push header gnus-newsgroup-headers)
8828 (setq gnus-current-headers header)
8829 (push (mail-header-number header) gnus-newsgroup-limit)))
8830 header)))))
8832 (defun gnus-remove-header (number)
8833 "Remove header NUMBER from `gnus-newsgroup-headers'."
8834 (if (and gnus-newsgroup-headers
8835 (= number (mail-header-number (car gnus-newsgroup-headers))))
8836 (pop gnus-newsgroup-headers)
8837 (let ((headers gnus-newsgroup-headers))
8838 (while (and (cdr headers)
8839 (not (= number (mail-header-number (cadr headers)))))
8840 (pop headers))
8841 (when (cdr headers)
8842 (setcdr headers (cddr headers))))))
8845 ;;; summary highlights
8848 (defun gnus-highlight-selected-summary ()
8849 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
8850 ;; Highlight selected article in summary buffer
8851 (when gnus-summary-selected-face
8852 (save-excursion
8853 (let* ((beg (progn (beginning-of-line) (point)))
8854 (end (progn (end-of-line) (point)))
8855 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
8856 (from (if (get-text-property beg gnus-mouse-face-prop)
8858 (or (next-single-property-change
8859 beg gnus-mouse-face-prop nil end)
8860 beg)))
8862 (if (= from end)
8863 (- from 2)
8864 (or (next-single-property-change
8865 from gnus-mouse-face-prop nil end)
8866 end))))
8867 ;; If no mouse-face prop on line we will have to = from = end,
8868 ;; so we highlight the entire line instead.
8869 (when (= (+ to 2) from)
8870 (setq from beg)
8871 (setq to end))
8872 (if gnus-newsgroup-selected-overlay
8873 ;; Move old overlay.
8874 (gnus-move-overlay
8875 gnus-newsgroup-selected-overlay from to (current-buffer))
8876 ;; Create new overlay.
8877 (gnus-overlay-put
8878 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
8879 'face gnus-summary-selected-face))))))
8881 ;; New implementation by Christian Limpach <Christian.Limpach@nice.ch>.
8882 (defun gnus-summary-highlight-line ()
8883 "Highlight current line according to `gnus-summary-highlight'."
8884 (let* ((list gnus-summary-highlight)
8885 (p (point))
8886 (end (progn (end-of-line) (point)))
8887 ;; now find out where the line starts and leave point there.
8888 (beg (progn (beginning-of-line) (point)))
8889 (article (gnus-summary-article-number))
8890 (score (or (cdr (assq (or article gnus-current-article)
8891 gnus-newsgroup-scored))
8892 gnus-summary-default-score 0))
8893 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
8894 (inhibit-read-only t))
8895 ;; Eval the cars of the lists until we find a match.
8896 (let ((default gnus-summary-default-score))
8897 (while (and list
8898 (not (eval (caar list))))
8899 (setq list (cdr list))))
8900 (let ((face (cdar list)))
8901 (unless (eq face (get-text-property beg 'face))
8902 (gnus-put-text-property-excluding-characters-with-faces
8903 beg end 'face
8904 (setq face (if (boundp face) (symbol-value face) face)))
8905 (when gnus-summary-highlight-line-function
8906 (funcall gnus-summary-highlight-line-function article face))))
8907 (goto-char p)))
8909 (defun gnus-update-read-articles (group unread &optional compute)
8910 "Update the list of read articles in GROUP."
8911 (let* ((active (or gnus-newsgroup-active (gnus-active group)))
8912 (entry (gnus-gethash group gnus-newsrc-hashtb))
8913 (info (nth 2 entry))
8914 (prev 1)
8915 (unread (sort (copy-sequence unread) '<))
8916 read)
8917 (if (or (not info) (not active))
8918 ;; There is no info on this group if it was, in fact,
8919 ;; killed. Gnus stores no information on killed groups, so
8920 ;; there's nothing to be done.
8921 ;; One could store the information somewhere temporarily,
8922 ;; perhaps... Hmmm...
8924 ;; Remove any negative articles numbers.
8925 (while (and unread (< (car unread) 0))
8926 (setq unread (cdr unread)))
8927 ;; Remove any expired article numbers
8928 (while (and unread (< (car unread) (car active)))
8929 (setq unread (cdr unread)))
8930 ;; Compute the ranges of read articles by looking at the list of
8931 ;; unread articles.
8932 (while unread
8933 (when (/= (car unread) prev)
8934 (push (if (= prev (1- (car unread))) prev
8935 (cons prev (1- (car unread))))
8936 read))
8937 (setq prev (1+ (car unread)))
8938 (setq unread (cdr unread)))
8939 (when (<= prev (cdr active))
8940 (push (cons prev (cdr active)) read))
8941 (if compute
8942 (if (> (length read) 1) (nreverse read) read)
8943 (save-excursion
8944 (set-buffer gnus-group-buffer)
8945 (gnus-undo-register
8946 `(progn
8947 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
8948 (gnus-info-set-read ',info ',(gnus-info-read info))
8949 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
8950 (gnus-group-update-group ,group t))))
8951 ;; Enter this list into the group info.
8952 (gnus-info-set-read
8953 info (if (> (length read) 1) (nreverse read) read))
8954 ;; Set the number of unread articles in gnus-newsrc-hashtb.
8955 (gnus-get-unread-articles-in-group info (gnus-active group))
8956 t))))
8958 (defun gnus-offer-save-summaries ()
8959 "Offer to save all active summary buffers."
8960 (save-excursion
8961 (let ((buflist (buffer-list))
8962 buffers bufname)
8963 ;; Go through all buffers and find all summaries.
8964 (while buflist
8965 (and (setq bufname (buffer-name (car buflist)))
8966 (string-match "Summary" bufname)
8967 (save-excursion
8968 (set-buffer bufname)
8969 ;; We check that this is, indeed, a summary buffer.
8970 (and (eq major-mode 'gnus-summary-mode)
8971 ;; Also make sure this isn't bogus.
8972 gnus-newsgroup-prepared
8973 ;; Also make sure that this isn't a dead summary buffer.
8974 (not gnus-dead-summary-mode)))
8975 (push bufname buffers))
8976 (setq buflist (cdr buflist)))
8977 ;; Go through all these summary buffers and offer to save them.
8978 (when buffers
8979 (map-y-or-n-p
8980 "Update summary buffer %s? "
8981 (lambda (buf)
8982 (switch-to-buffer buf)
8983 (gnus-summary-exit))
8984 buffers)))))
8986 (gnus-ems-redefine)
8988 (provide 'gnus-sum)
8990 (run-hooks 'gnus-sum-load-hook)
8992 ;;; gnus-sum.el ends here