1 ;;; gnus-sum.el --- summary mode commands for Gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002
3 ;; Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
29 (eval-when-compile (require 'cl))
41 (autoload 'gnus-summary-limit-include-cached "gnus-cache" nil t)
42 (autoload 'gnus-cache-write-active "gnus-cache")
43 (autoload 'gnus-mailing-list-insinuate "gnus-ml" nil t)
44 (autoload 'turn-on-gnus-mailing-list-mode "gnus-ml" nil t)
45 (autoload 'mm-uu-dissect "mm-uu")
46 (autoload 'gnus-article-outlook-deuglify-article "deuglify"
47 "Deuglify broken Outlook (Express) articles and redisplay."
50 (defcustom gnus-kill-summary-on-exit t
51 "*If non-nil, kill the summary buffer when you exit from it.
52 If nil, the summary will become a \"*Dead Summary*\" buffer, and
53 it will be killed sometime later."
54 :group 'gnus-summary-exit
57 (defcustom gnus-fetch-old-headers nil
58 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
59 If an unread article in the group refers to an older, already read (or
60 just marked as read) article, the old article will not normally be
61 displayed in the Summary buffer. If this variable is non-nil, Gnus
62 will attempt to grab the headers to the old articles, and thereby
63 build complete threads. If it has the value `some', only enough
64 headers to connect otherwise loose threads will be displayed. This
65 variable can also be a number. In that case, no more than that number
66 of old headers will be fetched. If it has the value `invisible', all
67 old headers will be fetched, but none will be displayed.
69 The server has to support NOV for any of this to work."
71 :type '(choice (const :tag "off" nil)
74 (sexp :menu-tag "other" t)))
76 (defcustom gnus-refer-thread-limit 200
77 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
78 If t, fetch all the available old headers."
81 (sexp :menu-tag "other" t)))
83 (defcustom gnus-summary-make-false-root 'adopt
84 "*nil means that Gnus won't gather loose threads.
85 If the root of a thread has expired or been read in a previous
86 session, the information necessary to build a complete thread has been
87 lost. Instead of having many small sub-threads from this original thread
88 scattered all over the summary buffer, Gnus can gather them.
90 If non-nil, Gnus will try to gather all loose sub-threads from an
91 original thread into one large thread.
93 If this variable is non-nil, it should be one of `none', `adopt',
96 If this variable is `none', Gnus will not make a false root, but just
97 present the sub-threads after another.
98 If this variable is `dummy', Gnus will create a dummy root that will
99 have all the sub-threads as children.
100 If this variable is `adopt', Gnus will make one of the \"children\"
101 the parent and mark all the step-children as such.
102 If this variable is `empty', the \"children\" are printed with empty
103 subject fields. (Or rather, they will be printed with a string
104 given by the `gnus-summary-same-subject' variable.)"
106 :type '(choice (const :tag "off" nil)
112 (defcustom gnus-summary-make-false-root-always t
113 "Always make a false dummy root."
117 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
118 "*A regexp to match subjects to be excluded from loose thread gathering.
119 As loose thread gathering is done on subjects only, that means that
120 there can be many false gatherings performed. By rooting out certain
121 common subjects, gathering might become saner."
125 (defcustom gnus-summary-gather-subject-limit nil
126 "*Maximum length of subject comparisons when gathering loose threads.
127 Use nil to compare full subjects. Setting this variable to a low
128 number will help gather threads that have been corrupted by
129 newsreaders chopping off subject lines, but it might also mean that
130 unrelated articles that have subject that happen to begin with the
131 same few characters will be incorrectly gathered.
133 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
136 :type '(choice (const :tag "off" nil)
138 (sexp :menu-tag "on" t)))
140 (defcustom gnus-simplify-subject-functions nil
141 "List of functions taking a string argument that simplify subjects.
142 The functions are applied recursively.
144 Useful functions to put in this list include:
145 `gnus-simplify-subject-re', `gnus-simplify-subject-fuzzy',
146 `gnus-simplify-whitespace', and `gnus-simplify-all-whitespace'."
148 :type '(repeat function))
150 (defcustom gnus-simplify-ignored-prefixes nil
151 "*Remove matches for this regexp from subject lines when simplifying fuzzily."
153 :type '(choice (const :tag "off" nil)
156 (defcustom gnus-build-sparse-threads nil
157 "*If non-nil, fill in the gaps in threads.
158 If `some', only fill in the gaps that are needed to tie loose threads
159 together. If `more', fill in all leaf nodes that Gnus can find. If
160 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
162 :type '(choice (const :tag "off" nil)
165 (sexp :menu-tag "all" t)))
167 (defcustom gnus-summary-thread-gathering-function
168 'gnus-gather-threads-by-subject
169 "*Function used for gathering loose threads.
170 There are two pre-defined functions: `gnus-gather-threads-by-subject',
171 which only takes Subjects into consideration; and
172 `gnus-gather-threads-by-references', which compared the References
173 headers of the articles to find matches."
175 :type '(radio (function-item gnus-gather-threads-by-subject)
176 (function-item gnus-gather-threads-by-references)
177 (function :tag "other")))
179 (defcustom gnus-summary-same-subject ""
180 "*String indicating that the current article has the same subject as the previous.
181 This variable will only be used if the value of
182 `gnus-summary-make-false-root' is `empty'."
183 :group 'gnus-summary-format
186 (defcustom gnus-summary-goto-unread t
187 "*If t, many commands will go to the next unread article.
188 This applies to marking commands as well as other commands that
189 \"naturally\" select the next article, like, for instance, `SPC' at
190 the end of an article.
192 If nil, the marking commands do NOT go to the next unread article
193 \(they go to the next article instead). If `never', commands that
194 usually go to the next unread article, will go to the next article,
195 whether it is read or not."
196 :group 'gnus-summary-marks
197 :link '(custom-manual "(gnus)Setting Marks")
198 :type '(choice (const :tag "off" nil)
200 (sexp :menu-tag "on" t)))
202 (defcustom gnus-summary-default-score 0
203 "*Default article score level.
204 All scores generated by the score files will be added to this score.
205 If this variable is nil, scoring will be disabled."
206 :group 'gnus-score-default
207 :type '(choice (const :tag "disable")
210 (defcustom gnus-summary-default-high-score 0
211 "*Default threshold for a high scored article.
212 An article will be highlighted as high scored if its score is greater
214 :group 'gnus-score-default
217 (defcustom gnus-summary-default-low-score 0
218 "*Default threshold for a low scored article.
219 An article will be highlighted as low scored if its score is smaller
221 :group 'gnus-score-default
224 (defcustom gnus-summary-zcore-fuzz 0
225 "*Fuzziness factor for the zcore in the summary buffer.
226 Articles with scores closer than this to `gnus-summary-default-score'
228 :group 'gnus-summary-format
231 (defcustom gnus-simplify-subject-fuzzy-regexp nil
232 "*Strings to be removed when doing fuzzy matches.
233 This can either be a regular expression or list of regular expressions
234 that will be removed from subject strings if fuzzy subject
235 simplification is selected."
237 :type '(repeat regexp))
239 (defcustom gnus-show-threads t
240 "*If non-nil, display threads in summary mode."
244 (defcustom gnus-thread-hide-subtree nil
245 "*If non-nil, hide all threads initially.
246 This can be a predicate specifier which says which threads to hide.
247 If threads are hidden, you have to run the command
248 `gnus-summary-show-thread' by hand or use `gnus-select-article-hook'
249 to expose hidden threads."
253 (defcustom gnus-thread-hide-killed t
254 "*If non-nil, hide killed threads automatically."
258 (defcustom gnus-thread-ignore-subject t
259 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
260 If nil, articles that have different subjects from their parents will
261 start separate threads."
265 (defcustom gnus-thread-operation-ignore-subject t
266 "*If non-nil, subjects will be ignored when doing thread commands.
267 This affects commands like `gnus-summary-kill-thread' and
268 `gnus-summary-lower-thread'.
270 If this variable is nil, articles in the same thread with different
271 subjects will not be included in the operation in question. If this
272 variable is `fuzzy', only articles that have subjects that are fuzzily
273 equal will be included."
275 :type '(choice (const :tag "off" nil)
279 (defcustom gnus-thread-indent-level 4
280 "*Number that says how much each sub-thread should be indented."
284 (defcustom gnus-auto-extend-newsgroup t
285 "*If non-nil, extend newsgroup forward and backward when requested."
286 :group 'gnus-summary-choose
289 (defcustom gnus-auto-select-first t
290 "*If non-nil, select the article under point.
291 Which article this is is controlled by the `gnus-auto-select-subject'
294 If you want to prevent automatic selection of articles in some
295 newsgroups, set the variable to nil in `gnus-select-group-hook'."
296 :group 'gnus-group-select
297 :type '(choice (const :tag "none" nil)
298 (sexp :menu-tag "first" t)))
300 (defcustom gnus-auto-select-subject 'unread
301 "*Says what subject to place under point when entering a group.
303 This variable can either be the symbols `first' (place point on the
304 first subject), `unread' (place point on the subject line of the first
305 unread article), `best' (place point on the subject line of the
306 higest-scored article), `unseen' (place point on the subject line of
307 the first unseen article), 'unseen-or-unread' (place point on the subject
308 line of the first unseen article or, if all article have been seen, on the
309 subject line of the first unread article), or a function to be called to
310 place point on some subject line."
311 :group 'gnus-group-select
312 :type '(choice (const best)
316 (const unseen-or-unread)))
318 (defcustom gnus-auto-select-next t
319 "*If non-nil, offer to go to the next group from the end of the previous.
320 If the value is t and the next newsgroup is empty, Gnus will exit
321 summary mode and go back to group mode. If the value is neither nil
322 nor t, Gnus will select the following unread newsgroup. In
323 particular, if the value is the symbol `quietly', the next unread
324 newsgroup will be selected without any confirmation, and if it is
325 `almost-quietly', the next group will be selected without any
326 confirmation if you are located on the last article in the group.
327 Finally, if this variable is `slightly-quietly', the `Z n' command
328 will go to the next group without confirmation."
329 :group 'gnus-summary-maneuvering
330 :type '(choice (const :tag "off" nil)
332 (const almost-quietly)
333 (const slightly-quietly)
334 (sexp :menu-tag "on" t)))
336 (defcustom gnus-auto-select-same nil
337 "*If non-nil, select the next article with the same subject.
338 If there are no more articles with the same subject, go to
339 the first unread article."
340 :group 'gnus-summary-maneuvering
343 (defcustom gnus-summary-check-current nil
344 "*If non-nil, consider the current article when moving.
345 The \"unread\" movement commands will stay on the same line if the
346 current article is unread."
347 :group 'gnus-summary-maneuvering
350 (defcustom gnus-auto-center-summary t
351 "*If non-nil, always center the current summary buffer.
352 In particular, if `vertical' do only vertical recentering. If non-nil
353 and non-`vertical', do both horizontal and vertical recentering."
354 :group 'gnus-summary-maneuvering
355 :type '(choice (const :tag "none" nil)
357 (integer :tag "height")
358 (sexp :menu-tag "both" t)))
360 (defcustom gnus-show-all-headers nil
361 "*If non-nil, don't hide any headers."
362 :group 'gnus-article-hiding
363 :group 'gnus-article-headers
366 (defcustom gnus-summary-ignore-duplicates nil
367 "*If non-nil, ignore articles with identical Message-ID headers."
371 (defcustom gnus-single-article-buffer t
372 "*If non-nil, display all articles in the same buffer.
373 If nil, each group will get its own article buffer."
374 :group 'gnus-article-various
377 (defcustom gnus-break-pages t
378 "*If non-nil, do page breaking on articles.
379 The page delimiter is specified by the `gnus-page-delimiter'
381 :group 'gnus-article-various
384 (defcustom gnus-move-split-methods nil
385 "*Variable used to suggest where articles are to be moved to.
386 It uses the same syntax as the `gnus-split-methods' variable.
387 However, whereas `gnus-split-methods' specifies file names as targets,
388 this variable specifies group names."
389 :group 'gnus-summary-mail
390 :type '(repeat (choice (list :value (fun) function)
391 (cons :value ("" "") regexp (repeat string))
394 (defcustom gnus-unread-mark ? ;Whitespace
395 "*Mark used for unread articles."
396 :group 'gnus-summary-marks
399 (defcustom gnus-ticked-mark ?!
400 "*Mark used for ticked articles."
401 :group 'gnus-summary-marks
404 (defcustom gnus-dormant-mark ??
405 "*Mark used for dormant articles."
406 :group 'gnus-summary-marks
409 (defcustom gnus-del-mark ?r
410 "*Mark used for del'd articles."
411 :group 'gnus-summary-marks
414 (defcustom gnus-read-mark ?R
415 "*Mark used for read articles."
416 :group 'gnus-summary-marks
419 (defcustom gnus-expirable-mark ?E
420 "*Mark used for expirable articles."
421 :group 'gnus-summary-marks
424 (defcustom gnus-killed-mark ?K
425 "*Mark used for killed articles."
426 :group 'gnus-summary-marks
429 (defcustom gnus-spam-mark ?H
430 "*Mark used for spam articles."
431 :group 'gnus-summary-marks
434 (defcustom gnus-souped-mark ?F
435 "*Mark used for souped articles."
436 :group 'gnus-summary-marks
439 (defcustom gnus-kill-file-mark ?X
440 "*Mark used for articles killed by kill files."
441 :group 'gnus-summary-marks
444 (defcustom gnus-low-score-mark ?Y
445 "*Mark used for articles with a low score."
446 :group 'gnus-summary-marks
449 (defcustom gnus-catchup-mark ?C
450 "*Mark used for articles that are caught up."
451 :group 'gnus-summary-marks
454 (defcustom gnus-replied-mark ?A
455 "*Mark used for articles that have been replied to."
456 :group 'gnus-summary-marks
459 (defcustom gnus-forwarded-mark ?F
460 "*Mark used for articles that have been forwarded."
461 :group 'gnus-summary-marks
464 (defcustom gnus-recent-mark ?N
465 "*Mark used for articles that are recent."
466 :group 'gnus-summary-marks
469 (defcustom gnus-cached-mark ?*
470 "*Mark used for articles that are in the cache."
471 :group 'gnus-summary-marks
474 (defcustom gnus-saved-mark ?S
475 "*Mark used for articles that have been saved."
476 :group 'gnus-summary-marks
479 (defcustom gnus-unseen-mark ?.
480 "*Mark used for articles that haven't been seen."
481 :group 'gnus-summary-marks
484 (defcustom gnus-no-mark ? ;Whitespace
485 "*Mark used for articles that have no other secondary mark."
486 :group 'gnus-summary-marks
489 (defcustom gnus-ancient-mark ?O
490 "*Mark used for ancient articles."
491 :group 'gnus-summary-marks
494 (defcustom gnus-sparse-mark ?Q
495 "*Mark used for sparsely reffed articles."
496 :group 'gnus-summary-marks
499 (defcustom gnus-canceled-mark ?G
500 "*Mark used for canceled articles."
501 :group 'gnus-summary-marks
504 (defcustom gnus-duplicate-mark ?M
505 "*Mark used for duplicate articles."
506 :group 'gnus-summary-marks
509 (defcustom gnus-undownloaded-mark ?-
510 "*Mark used for articles that weren't downloaded."
511 :group 'gnus-summary-marks
514 (defcustom gnus-downloaded-mark ?+
515 "*Mark used for articles that were downloaded."
516 :group 'gnus-summary-marks
519 (defcustom gnus-downloadable-mark ?%
520 "*Mark used for articles that are to be downloaded."
521 :group 'gnus-summary-marks
524 (defcustom gnus-unsendable-mark ?=
525 "*Mark used for articles that won't be sent."
526 :group 'gnus-summary-marks
529 (defcustom gnus-score-over-mark ?+
530 "*Score mark used for articles with high scores."
531 :group 'gnus-summary-marks
534 (defcustom gnus-score-below-mark ?-
535 "*Score mark used for articles with low scores."
536 :group 'gnus-summary-marks
539 (defcustom gnus-empty-thread-mark ? ;Whitespace
540 "*There is no thread under the article."
541 :group 'gnus-summary-marks
544 (defcustom gnus-not-empty-thread-mark ?=
545 "*There is a thread under the article."
546 :group 'gnus-summary-marks
549 (defcustom gnus-view-pseudo-asynchronously nil
550 "*If non-nil, Gnus will view pseudo-articles asynchronously."
551 :group 'gnus-extract-view
554 (defcustom gnus-auto-expirable-marks
555 (list gnus-killed-mark gnus-del-mark gnus-catchup-mark
556 gnus-low-score-mark gnus-ancient-mark gnus-read-mark
557 gnus-souped-mark gnus-duplicate-mark)
558 "*The list of marks converted into expiration if a group is auto-expirable."
561 :type '(repeat character))
563 (defcustom gnus-inhibit-user-auto-expire t
564 "*If non-nil, user marking commands will not mark an article as expirable, even if the group has auto-expire turned on."
569 (defcustom gnus-view-pseudos nil
570 "*If `automatic', pseudo-articles will be viewed automatically.
571 If `not-confirm', pseudos will be viewed automatically, and the user
572 will not be asked to confirm the command."
573 :group 'gnus-extract-view
574 :type '(choice (const :tag "off" nil)
576 (const not-confirm)))
578 (defcustom gnus-view-pseudos-separately t
579 "*If non-nil, one pseudo-article will be created for each file to be viewed.
580 If nil, all files that use the same viewing command will be given as a
581 list of parameters to that command."
582 :group 'gnus-extract-view
585 (defcustom gnus-insert-pseudo-articles t
586 "*If non-nil, insert pseudo-articles when decoding articles."
587 :group 'gnus-extract-view
590 (defcustom gnus-summary-dummy-line-format
592 "*The format specification for the dummy roots in the summary buffer.
593 It works along the same lines as a normal formatting string,
594 with some simple extensions.
598 General format specifiers can also be used.
599 See `(gnus)Formatting Variables'."
600 :link '(custom-manual "(gnus)Formatting Variables")
601 :group 'gnus-threading
604 (defcustom gnus-summary-mode-line-format "Gnus: %g [%A] %Z"
605 "*The format specification for the summary mode line.
606 It works along the same lines as a normal formatting string,
607 with some simple extensions:
610 %p Unprefixed group name
611 %A Current article number
612 %z Current article score
614 %U Number of unread articles in the group
615 %e Number of unselected articles in the group
616 %Z A string with unread/unselected article counts
617 %g Shortish group name
618 %S Subject of the current article
620 %s Current score file name
621 %d Number of dormant articles
622 %r Number of articles that have been marked as read in this session
623 %E Number of articles expunged by the score files"
624 :group 'gnus-summary-format
627 (defcustom gnus-list-identifiers nil
628 "Regexp that matches list identifiers to be removed from subject.
629 This can also be a list of regexps."
631 :group 'gnus-summary-format
632 :group 'gnus-article-hiding
633 :type '(choice (const :tag "none" nil)
635 (repeat :value (".*") regexp)))
637 (defcustom gnus-summary-mark-below 0
638 "*Mark all articles with a score below this variable as read.
639 This variable is local to each summary buffer and usually set by the
641 :group 'gnus-score-default
644 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
645 "*List of functions used for sorting articles in the summary buffer.
647 Each function takes two articles and returns non-nil if the first
648 article should be sorted before the other. If you use more than one
649 function, the primary sort function should be the last. You should
650 probably always include `gnus-article-sort-by-number' in the list of
651 sorting functions -- preferably first. Also note that sorting by date
652 is often much slower than sorting by number, and the sorting order is
653 very similar. (Sorting by date means sorting by the time the message
654 was sent, sorting by number means sorting by arrival time.)
656 Ready-made functions include `gnus-article-sort-by-number',
657 `gnus-article-sort-by-author', `gnus-article-sort-by-subject',
658 `gnus-article-sort-by-date', `gnus-article-sort-by-random'
659 and `gnus-article-sort-by-score'.
661 When threading is turned on, the variable `gnus-thread-sort-functions'
662 controls how articles are sorted."
663 :group 'gnus-summary-sort
664 :type '(repeat (choice (function-item gnus-article-sort-by-number)
665 (function-item gnus-article-sort-by-author)
666 (function-item gnus-article-sort-by-subject)
667 (function-item gnus-article-sort-by-date)
668 (function-item gnus-article-sort-by-score)
669 (function-item gnus-article-sort-by-random)
670 (function :tag "other"))))
672 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
673 "*List of functions used for sorting threads in the summary buffer.
674 By default, threads are sorted by article number.
676 Each function takes two threads and returns non-nil if the first
677 thread should be sorted before the other. If you use more than one
678 function, the primary sort function should be the last. You should
679 probably always include `gnus-thread-sort-by-number' in the list of
680 sorting functions -- preferably first. Also note that sorting by date
681 is often much slower than sorting by number, and the sorting order is
682 very similar. (Sorting by date means sorting by the time the message
683 was sent, sorting by number means sorting by arrival time.)
685 Ready-made functions include `gnus-thread-sort-by-number',
686 `gnus-thread-sort-by-author', `gnus-thread-sort-by-subject',
687 `gnus-thread-sort-by-date', `gnus-thread-sort-by-score',
688 `gnus-thread-sort-by-most-recent-number',
689 `gnus-thread-sort-by-most-recent-date',
690 `gnus-thread-sort-by-random', and
691 `gnus-thread-sort-by-total-score' (see `gnus-thread-score-function').
693 When threading is turned off, the variable
694 `gnus-article-sort-functions' controls how articles are sorted."
695 :group 'gnus-summary-sort
696 :type '(repeat (choice (function-item gnus-thread-sort-by-number)
697 (function-item gnus-thread-sort-by-author)
698 (function-item gnus-thread-sort-by-subject)
699 (function-item gnus-thread-sort-by-date)
700 (function-item gnus-thread-sort-by-score)
701 (function-item gnus-thread-sort-by-total-score)
702 (function-item gnus-thread-sort-by-random)
703 (function :tag "other"))))
705 (defcustom gnus-thread-score-function '+
706 "*Function used for calculating the total score of a thread.
708 The function is called with the scores of the article and each
709 subthread and should then return the score of the thread.
711 Some functions you can use are `+', `max', or `min'."
712 :group 'gnus-summary-sort
715 (defcustom gnus-summary-expunge-below nil
716 "All articles that have a score less than this variable will be expunged.
717 This variable is local to the summary buffers."
718 :group 'gnus-score-default
719 :type '(choice (const :tag "off" nil)
722 (defcustom gnus-thread-expunge-below nil
723 "All threads that have a total score less than this variable will be expunged.
724 See `gnus-thread-score-function' for en explanation of what a
727 This variable is local to the summary buffers."
728 :group 'gnus-threading
729 :group 'gnus-score-default
730 :type '(choice (const :tag "off" nil)
733 (defcustom gnus-summary-mode-hook nil
734 "*A hook for Gnus summary mode.
735 This hook is run before any variables are set in the summary buffer."
736 :options '(turn-on-gnus-mailing-list-mode gnus-pick-mode)
737 :group 'gnus-summary-various
740 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
741 (when (featurep 'xemacs)
742 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-summary-menu-add)
743 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-setup-summary-toolbar)
744 (add-hook 'gnus-summary-mode-hook
745 'gnus-xmas-switch-horizontal-scrollbar-off))
747 (defcustom gnus-summary-menu-hook nil
748 "*Hook run after the creation of the summary mode menu."
749 :group 'gnus-summary-visual
752 (defcustom gnus-summary-exit-hook nil
753 "*A hook called on exit from the summary buffer.
754 It will be called with point in the group buffer."
755 :group 'gnus-summary-exit
758 (defcustom gnus-summary-prepare-hook nil
759 "*A hook called after the summary buffer has been generated.
760 If you want to modify the summary buffer, you can use this hook."
761 :group 'gnus-summary-various
764 (defcustom gnus-summary-prepared-hook nil
765 "*A hook called as the last thing after the summary buffer has been generated."
766 :group 'gnus-summary-various
769 (defcustom gnus-summary-generate-hook nil
770 "*A hook run just before generating the summary buffer.
771 This hook is commonly used to customize threading variables and the
773 :group 'gnus-summary-various
776 (defcustom gnus-select-group-hook nil
777 "*A hook called when a newsgroup is selected.
779 If you'd like to simplify subjects like the
780 `gnus-summary-next-same-subject' command does, you can use the
783 (add-hook gnus-select-group-hook
785 (mapcar (lambda (header)
786 (mail-header-set-subject
788 (gnus-simplify-subject
789 (mail-header-subject header) 're-only)))
790 gnus-newsgroup-headers)))"
791 :group 'gnus-group-select
794 (defcustom gnus-select-article-hook nil
795 "*A hook called when an article is selected."
796 :group 'gnus-summary-choose
799 (defcustom gnus-visual-mark-article-hook
800 (list 'gnus-highlight-selected-summary)
801 "*Hook run after selecting an article in the summary buffer.
802 It is meant to be used for highlighting the article in some way. It
803 is not run if `gnus-visual' is nil."
804 :group 'gnus-summary-visual
807 (defcustom gnus-parse-headers-hook nil
808 "*A hook called before parsing the headers."
812 (defcustom gnus-exit-group-hook nil
813 "*A hook called when exiting summary mode.
814 This hook is not called from the non-updating exit commands like `Q'."
818 (defcustom gnus-summary-update-hook
819 (list 'gnus-summary-highlight-line)
820 "*A hook called when a summary line is changed.
821 The hook will not be called if `gnus-visual' is nil.
823 The default function `gnus-summary-highlight-line' will
824 highlight the line according to the `gnus-summary-highlight'
826 :group 'gnus-summary-visual
829 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
830 "*A hook called when an article is selected for the first time.
831 The hook is intended to mark an article as read (or unread)
832 automatically when it is selected."
833 :group 'gnus-summary-choose
836 (defcustom gnus-group-no-more-groups-hook nil
837 "*A hook run when returning to group mode having no more (unread) groups."
838 :group 'gnus-group-select
841 (defcustom gnus-ps-print-hook nil
842 "*A hook run before ps-printing something from Gnus."
846 (defcustom gnus-summary-display-arrow
847 (and (fboundp 'display-graphic-p)
849 "*If non-nil, display an arrow highlighting the current article."
854 (defcustom gnus-summary-selected-face 'gnus-summary-selected-face
855 "Face used for highlighting the current article in the summary buffer."
856 :group 'gnus-summary-visual
859 (defvar gnus-tmp-downloaded nil)
861 (defcustom gnus-summary-highlight
862 '(((eq mark gnus-canceled-mark)
863 . gnus-summary-cancelled-face)
864 ((and uncached (> score default-high))
865 . gnus-summary-high-undownloaded-face)
866 ((and uncached (< score default-low))
867 . gnus-summary-low-undownloaded-face)
869 . gnus-summary-normal-undownloaded-face)
870 ((and (> score default-high)
871 (or (eq mark gnus-dormant-mark)
872 (eq mark gnus-ticked-mark)))
873 . gnus-summary-high-ticked-face)
874 ((and (< score default-low)
875 (or (eq mark gnus-dormant-mark)
876 (eq mark gnus-ticked-mark)))
877 . gnus-summary-low-ticked-face)
878 ((or (eq mark gnus-dormant-mark)
879 (eq mark gnus-ticked-mark))
880 . gnus-summary-normal-ticked-face)
881 ((and (> score default-high) (eq mark gnus-ancient-mark))
882 . gnus-summary-high-ancient-face)
883 ((and (< score default-low) (eq mark gnus-ancient-mark))
884 . gnus-summary-low-ancient-face)
885 ((eq mark gnus-ancient-mark)
886 . gnus-summary-normal-ancient-face)
887 ((and (> score default-high) (eq mark gnus-unread-mark))
888 . gnus-summary-high-unread-face)
889 ((and (< score default-low) (eq mark gnus-unread-mark))
890 . gnus-summary-low-unread-face)
891 ((eq mark gnus-unread-mark)
892 . gnus-summary-normal-unread-face)
893 ((> score default-high)
894 . gnus-summary-high-read-face)
895 ((< score default-low)
896 . gnus-summary-low-read-face)
898 . gnus-summary-normal-read-face))
899 "*Controls the highlighting of summary buffer lines.
901 A list of (FORM . FACE) pairs. When deciding how a a particular
902 summary line should be displayed, each form is evaluated. The content
903 of the face field after the first true form is used. You can change
904 how those summary lines are displayed, by editing the face field.
906 You can use the following variables in the FORM field.
908 score: The article's score
909 default: The default article score.
910 default-high: The default score for high scored articles.
911 default-low: The default score for low scored articles.
912 below: The score below which articles are automatically marked as read.
913 mark: The articles mark."
914 :group 'gnus-summary-visual
915 :type '(repeat (cons (sexp :tag "Form" nil)
918 (defcustom gnus-alter-header-function nil
919 "Function called to allow alteration of article header structures.
920 The function is called with one parameter, the article header vector,
921 which it may alter in any way.")
923 (defvar gnus-decode-encoded-word-function 'mail-decode-encoded-word-string
924 "Variable that says which function should be used to decode a string with encoded words.")
926 (defcustom gnus-extra-headers '(To Newsgroups)
927 "*Extra headers to parse."
930 :type '(repeat symbol))
932 (defcustom gnus-ignored-from-addresses
933 (and user-mail-address (regexp-quote user-mail-address))
934 "*Regexp of From headers that may be suppressed in favor of To headers."
939 (defcustom gnus-newsgroup-ignored-charsets '(unknown-8bit x-unknown)
940 "List of charsets that should be ignored.
941 When these charsets are used in the \"charset\" parameter, the
942 default charset will be used instead."
944 :type '(repeat symbol)
945 :group 'gnus-charset)
947 (gnus-define-group-parameter
951 "Return the ignored charsets of GROUP."
952 :variable gnus-group-ignored-charsets-alist
954 '(("alt\\.chinese\\.text" iso-8859-1))
956 "Alist of regexps (to match group names) and charsets that should be ignored.
957 When these charsets are used in the \"charset\" parameter, the
958 default charset will be used instead."
959 :variable-group gnus-charset
960 :variable-type '(repeat (cons (regexp :tag "Group")
962 :parameter-type '(choice :tag "Ignored charsets"
965 :parameter-document "\
966 List of charsets that should be ignored.
968 When these charsets are used in the \"charset\" parameter, the
969 default charset will be used instead.")
971 (defcustom gnus-group-highlight-words-alist nil
972 "Alist of group regexps and highlight regexps.
973 This variable uses the same syntax as `gnus-emphasis-alist'."
975 :type '(repeat (cons (regexp :tag "Group")
976 (repeat (list (regexp :tag "Highlight regexp")
977 (number :tag "Group for entire word" 0)
978 (number :tag "Group for displayed part" 0)
980 gnus-emphasis-highlight-words)))))
981 :group 'gnus-summary-visual)
983 (defcustom gnus-summary-show-article-charset-alist
985 "Alist of number and charset.
986 The article will be shown with the charset corresponding to the
988 For example: ((1 . cn-gb-2312) (2 . big5))."
990 :type '(repeat (cons (number :tag "Argument" 1)
991 (symbol :tag "Charset")))
992 :group 'gnus-charset)
994 (defcustom gnus-preserve-marks t
995 "Whether marks are preserved when moving, copying and respooling messages."
998 :group 'gnus-summary-marks)
1000 (defcustom gnus-alter-articles-to-read-function nil
1001 "Function to be called to alter the list of articles to be selected."
1002 :type '(choice (const nil) function)
1003 :group 'gnus-summary)
1005 (defcustom gnus-orphan-score nil
1006 "*All orphans get this score added. Set in the score file."
1007 :group 'gnus-score-default
1008 :type '(choice (const nil)
1011 (defcustom gnus-summary-save-parts-default-mime "image/.*"
1012 "*A regexp to match MIME parts when saving multiple parts of a message
1013 with gnus-summary-save-parts (X m). This regexp will be used by default
1014 when prompting the user for which type of files to save."
1015 :group 'gnus-summary
1018 (defcustom gnus-read-all-available-headers nil
1019 "Whether Gnus should parse all headers made available to it.
1020 This is mostly relevant for slow backends where the user may
1021 wish to widen the summary buffer to include all headers
1022 that were fetched. Say, for nnultimate groups."
1023 :group 'gnus-summary
1024 :type '(choice boolean regexp))
1026 (defcustom gnus-summary-muttprint-program "muttprint"
1027 "Command (and optional arguments) used to run Muttprint."
1029 :group 'gnus-summary
1032 (defcustom gnus-article-loose-mime nil
1033 "If non-nil, don't require MIME-Version header.
1034 Some brain-damaged MUA/MTA, e.g. Lotus Domino 5.0.6 clients, does not
1035 supply the MIME-Version header or deliberately strip it From the mail.
1036 Set it to non-nil, Gnus will treat some articles as MIME even if
1037 the MIME-Version header is missed."
1040 :group 'gnus-article)
1042 ;;; Internal variables
1044 (defvar gnus-summary-display-cache nil)
1045 (defvar gnus-article-mime-handles nil)
1046 (defvar gnus-article-decoded-p nil)
1047 (defvar gnus-article-charset nil)
1048 (defvar gnus-article-ignored-charsets nil)
1049 (defvar gnus-scores-exclude-files nil)
1050 (defvar gnus-page-broken nil)
1052 (defvar gnus-original-article nil)
1053 (defvar gnus-article-internal-prepare-hook nil)
1054 (defvar gnus-newsgroup-process-stack nil)
1056 (defvar gnus-thread-indent-array nil)
1057 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
1058 (defvar gnus-sort-gathered-threads-function 'gnus-thread-sort-by-number
1059 "Function called to sort the articles within a thread after it has been gathered together.")
1061 (defvar gnus-summary-save-parts-type-history nil)
1062 (defvar gnus-summary-save-parts-last-directory nil)
1064 ;; Avoid highlighting in kill files.
1065 (defvar gnus-summary-inhibit-highlight nil)
1066 (defvar gnus-newsgroup-selected-overlay nil)
1067 (defvar gnus-inhibit-limiting nil)
1068 (defvar gnus-newsgroup-adaptive-score-file nil)
1069 (defvar gnus-current-score-file nil)
1070 (defvar gnus-current-move-group nil)
1071 (defvar gnus-current-copy-group nil)
1072 (defvar gnus-current-crosspost-group nil)
1073 (defvar gnus-newsgroup-display nil)
1075 (defvar gnus-newsgroup-dependencies nil)
1076 (defvar gnus-newsgroup-adaptive nil)
1077 (defvar gnus-summary-display-article-function nil)
1078 (defvar gnus-summary-highlight-line-function nil
1079 "Function called after highlighting a summary line.")
1081 (defvar gnus-summary-line-format-alist
1082 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
1083 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
1084 (?s gnus-tmp-subject-or-nil ?s)
1085 (?n gnus-tmp-name ?s)
1086 (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
1088 (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
1090 (?F gnus-tmp-from ?s)
1091 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
1092 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
1093 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
1094 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
1095 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
1096 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
1097 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
1098 (?k (gnus-summary-line-message-size gnus-tmp-header) ?s)
1099 (?L gnus-tmp-lines ?s)
1100 (?O gnus-tmp-downloaded ?c)
1101 (?I gnus-tmp-indentation ?s)
1102 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
1103 (?R gnus-tmp-replied ?c)
1104 (?\[ gnus-tmp-opening-bracket ?c)
1105 (?\] gnus-tmp-closing-bracket ?c)
1106 (?\> (make-string gnus-tmp-level ? ) ?s)
1107 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
1108 (?i gnus-tmp-score ?d)
1109 (?z gnus-tmp-score-char ?c)
1110 (?l (bbb-grouplens-score gnus-tmp-header) ?s)
1111 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
1112 (?U gnus-tmp-unread ?c)
1113 (?f (gnus-summary-from-or-to-or-newsgroups gnus-tmp-header gnus-tmp-from)
1115 (?t (gnus-summary-number-of-articles-in-thread
1116 (and (boundp 'thread) (car thread)) gnus-tmp-level)
1118 (?e (gnus-summary-number-of-articles-in-thread
1119 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
1121 (?u gnus-tmp-user-defined ?s)
1122 (?P (gnus-pick-line-number) ?d)
1123 (?B gnus-tmp-thread-tree-header-string ?s)
1124 (user-date (gnus-user-date
1125 ,(macroexpand '(mail-header-date gnus-tmp-header))) ?s))
1126 "An alist of format specifications that can appear in summary lines.
1127 These are paired with what variables they correspond with, along with
1128 the type of the variable (string, integer, character, etc).")
1130 (defvar gnus-summary-dummy-line-format-alist
1131 `((?S gnus-tmp-subject ?s)
1132 (?N gnus-tmp-number ?d)
1133 (?u gnus-tmp-user-defined ?s)))
1135 (defvar gnus-summary-mode-line-format-alist
1136 `((?G gnus-tmp-group-name ?s)
1137 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
1138 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
1139 (?A gnus-tmp-article-number ?d)
1140 (?Z gnus-tmp-unread-and-unselected ?s)
1141 (?V gnus-version ?s)
1142 (?U gnus-tmp-unread-and-unticked ?d)
1143 (?S gnus-tmp-subject ?s)
1144 (?e gnus-tmp-unselected ?d)
1145 (?u gnus-tmp-user-defined ?s)
1146 (?d (length gnus-newsgroup-dormant) ?d)
1147 (?t (length gnus-newsgroup-marked) ?d)
1148 (?h (length gnus-newsgroup-spam-marked) ?d)
1149 (?r (length gnus-newsgroup-reads) ?d)
1150 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
1151 (?E gnus-newsgroup-expunged-tally ?d)
1152 (?s (gnus-current-score-file-nondirectory) ?s)))
1154 (defvar gnus-last-search-regexp nil
1155 "Default regexp for article search command.")
1157 (defvar gnus-last-shell-command nil
1158 "Default shell command on article.")
1160 (defvar gnus-newsgroup-agentized nil
1161 "Locally bound in each summary buffer to indicate whether the server has been agentized.")
1162 (defvar gnus-newsgroup-begin nil)
1163 (defvar gnus-newsgroup-end nil)
1164 (defvar gnus-newsgroup-last-rmail nil)
1165 (defvar gnus-newsgroup-last-mail nil)
1166 (defvar gnus-newsgroup-last-folder nil)
1167 (defvar gnus-newsgroup-last-file nil)
1168 (defvar gnus-newsgroup-auto-expire nil)
1169 (defvar gnus-newsgroup-active nil)
1171 (defvar gnus-newsgroup-data nil)
1172 (defvar gnus-newsgroup-data-reverse nil)
1173 (defvar gnus-newsgroup-limit nil)
1174 (defvar gnus-newsgroup-limits nil)
1176 (defvar gnus-newsgroup-unreads nil
1177 "Sorted list of unread articles in the current newsgroup.")
1179 (defvar gnus-newsgroup-unselected nil
1180 "Sorted list of unselected unread articles in the current newsgroup.")
1182 (defvar gnus-newsgroup-reads nil
1183 "Alist of read articles and article marks in the current newsgroup.")
1185 (defvar gnus-newsgroup-expunged-tally nil)
1187 (defvar gnus-newsgroup-marked nil
1188 "Sorted list of ticked articles in the current newsgroup (a subset of unread art).")
1190 (defvar gnus-newsgroup-spam-marked nil
1191 "List of ranges of articles that have been marked as spam.")
1193 (defvar gnus-newsgroup-killed nil
1194 "List of ranges of articles that have been through the scoring process.")
1196 (defvar gnus-newsgroup-cached nil
1197 "Sorted list of articles that come from the article cache.")
1199 (defvar gnus-newsgroup-saved nil
1200 "List of articles that have been saved.")
1202 (defvar gnus-newsgroup-kill-headers nil)
1204 (defvar gnus-newsgroup-replied nil
1205 "List of articles that have been replied to in the current newsgroup.")
1207 (defvar gnus-newsgroup-forwarded nil
1208 "List of articles that have been forwarded in the current newsgroup.")
1210 (defvar gnus-newsgroup-recent nil
1211 "List of articles that have are recent in the current newsgroup.")
1213 (defvar gnus-newsgroup-expirable nil
1214 "Sorted list of articles in the current newsgroup that can be expired.")
1216 (defvar gnus-newsgroup-processable nil
1217 "List of articles in the current newsgroup that can be processed.")
1219 (defvar gnus-newsgroup-downloadable nil
1220 "Sorted list of articles in the current newsgroup that can be processed.")
1222 (defvar gnus-newsgroup-undownloaded nil
1223 "List of articles in the current newsgroup that haven't been downloaded..")
1225 (defvar gnus-newsgroup-unsendable nil
1226 "List of articles in the current newsgroup that won't be sent.")
1228 (defvar gnus-newsgroup-bookmarks nil
1229 "List of articles in the current newsgroup that have bookmarks.")
1231 (defvar gnus-newsgroup-dormant nil
1232 "Sorted list of dormant articles in the current newsgroup.")
1234 (defvar gnus-newsgroup-unseen nil
1235 "List of unseen articles in the current newsgroup.")
1237 (defvar gnus-newsgroup-seen nil
1238 "Range of seen articles in the current newsgroup.")
1240 (defvar gnus-newsgroup-articles nil
1241 "List of articles in the current newsgroup.")
1243 (defvar gnus-newsgroup-scored nil
1244 "List of scored articles in the current newsgroup.")
1246 (defvar gnus-newsgroup-headers nil
1247 "List of article headers in the current newsgroup.")
1249 (defvar gnus-newsgroup-threads nil)
1251 (defvar gnus-newsgroup-prepared nil
1252 "Whether the current group has been prepared properly.")
1254 (defvar gnus-newsgroup-ancient nil
1255 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
1257 (defvar gnus-newsgroup-sparse nil)
1259 (defvar gnus-current-article nil)
1260 (defvar gnus-article-current nil)
1261 (defvar gnus-current-headers nil)
1262 (defvar gnus-have-all-headers nil)
1263 (defvar gnus-last-article nil)
1264 (defvar gnus-newsgroup-history nil)
1265 (defvar gnus-newsgroup-charset nil)
1266 (defvar gnus-newsgroup-ephemeral-charset nil)
1267 (defvar gnus-newsgroup-ephemeral-ignored-charsets nil)
1269 (defvar gnus-article-before-search nil)
1271 (defconst gnus-summary-local-variables
1272 '(gnus-newsgroup-name
1273 gnus-newsgroup-begin gnus-newsgroup-end
1274 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
1275 gnus-newsgroup-last-folder gnus-newsgroup-last-file
1276 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
1277 gnus-newsgroup-unselected gnus-newsgroup-marked
1278 gnus-newsgroup-spam-marked
1279 gnus-newsgroup-reads gnus-newsgroup-saved
1280 gnus-newsgroup-replied gnus-newsgroup-forwarded
1281 gnus-newsgroup-recent
1282 gnus-newsgroup-expirable
1283 gnus-newsgroup-processable gnus-newsgroup-killed
1284 gnus-newsgroup-downloadable gnus-newsgroup-undownloaded
1285 gnus-newsgroup-unsendable gnus-newsgroup-unseen
1286 gnus-newsgroup-seen gnus-newsgroup-articles
1287 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
1288 gnus-newsgroup-headers gnus-newsgroup-threads
1289 gnus-newsgroup-prepared gnus-summary-highlight-line-function
1290 gnus-current-article gnus-current-headers gnus-have-all-headers
1291 gnus-last-article gnus-article-internal-prepare-hook
1292 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1293 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1294 gnus-thread-expunge-below
1295 gnus-score-alist gnus-current-score-file
1296 (gnus-summary-expunge-below . global)
1297 (gnus-summary-mark-below . global)
1298 (gnus-orphan-score . global)
1299 gnus-newsgroup-active gnus-scores-exclude-files
1300 gnus-newsgroup-history gnus-newsgroup-ancient
1301 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1302 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1303 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1304 (gnus-newsgroup-expunged-tally . 0)
1305 gnus-cache-removable-articles gnus-newsgroup-cached
1306 gnus-newsgroup-data gnus-newsgroup-data-reverse
1307 gnus-newsgroup-limit gnus-newsgroup-limits
1308 gnus-newsgroup-charset gnus-newsgroup-display)
1309 "Variables that are buffer-local to the summary buffers.")
1311 (defvar gnus-newsgroup-variables nil
1312 "A list of variables that have separate values in different newsgroups.
1313 A list of newsgroup (summary buffer) local variables, or cons of
1314 variables and their default values (when the default values are not
1315 nil), that should be made global while the summary buffer is active.
1316 These variables can be used to set variables in the group parameters
1317 while still allowing them to affect operations done in other
1318 buffers. For example:
1320 \(setq gnus-newsgroup-variables
1321 '(message-use-followup-to
1322 (gnus-visible-headers .
1323 \"^From:\\\\|^Newsgroups:\\\\|^Subject:\\\\|^Date:\\\\|^To:\")))
1326 ;; Byte-compiler warning.
1327 ;(eval-when-compile (defvar gnus-article-mode-map))
1329 (let ((features (cons 'gnus-sum features)))
1331 (require 'gnus-agent)
1332 (require 'gnus-art)))
1336 (defvar gnus-decode-encoded-word-methods
1337 '(mail-decode-encoded-word-string)
1338 "List of methods used to decode encoded words.
1340 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
1341 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
1342 \(REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
1343 whose names match REGEXP.
1346 \((\"chinese\" . gnus-decode-encoded-word-string-by-guess)
1347 mail-decode-encoded-word-string
1348 (\"chinese\" . rfc1843-decode-string))")
1350 (defvar gnus-decode-encoded-word-methods-cache nil)
1352 (defun gnus-multi-decode-encoded-word-string (string)
1353 "Apply the functions from `gnus-encoded-word-methods' that match."
1354 (unless (and gnus-decode-encoded-word-methods-cache
1355 (eq gnus-newsgroup-name
1356 (car gnus-decode-encoded-word-methods-cache)))
1357 (setq gnus-decode-encoded-word-methods-cache (list gnus-newsgroup-name))
1360 (nconc gnus-decode-encoded-word-methods-cache (list x))
1361 (if (and gnus-newsgroup-name
1362 (string-match (car x) gnus-newsgroup-name))
1363 (nconc gnus-decode-encoded-word-methods-cache
1365 gnus-decode-encoded-word-methods))
1366 (let ((xlist gnus-decode-encoded-word-methods-cache))
1369 (setq string (funcall (pop xlist) string))))
1372 ;; Subject simplification.
1374 (defun gnus-simplify-whitespace (str)
1375 "Remove excessive whitespace from STR."
1378 (while (string-match "[ \t][ \t]+" mystr)
1379 (setq mystr (concat (substring mystr 0 (match-beginning 0))
1381 (substring mystr (match-end 0)))))
1383 (when (string-match "^[ \t]+" mystr)
1384 (setq mystr (substring mystr (match-end 0))))
1386 (when (string-match "[ \t]+$" mystr)
1387 (setq mystr (substring mystr 0 (match-beginning 0))))
1390 (defun gnus-simplify-all-whitespace (str)
1391 "Remove all whitespace from STR."
1393 (while (string-match "[ \t\n]+" mystr)
1394 (setq mystr (replace-match "" nil nil mystr)))
1397 (defsubst gnus-simplify-subject-re (subject)
1398 "Remove \"Re:\" from subject lines."
1399 (if (string-match message-subject-re-regexp subject)
1400 (substring subject (match-end 0))
1403 (defun gnus-simplify-subject (subject &optional re-only)
1404 "Remove `Re:' and words in parentheses.
1405 If RE-ONLY is non-nil, strip leading `Re:'s only."
1406 (let ((case-fold-search t)) ;Ignore case.
1407 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1408 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1409 (setq subject (substring subject (match-end 0))))
1410 ;; Remove uninteresting prefixes.
1411 (when (and (not re-only)
1412 gnus-simplify-ignored-prefixes
1413 (string-match gnus-simplify-ignored-prefixes subject))
1414 (setq subject (substring subject (match-end 0))))
1415 ;; Remove words in parentheses from end.
1417 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1418 (setq subject (substring subject 0 (match-beginning 0)))))
1419 ;; Return subject string.
1422 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1424 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1425 (goto-char (point-min))
1426 (while (re-search-forward regexp nil t)
1427 (replace-match (or newtext ""))))
1429 (defun gnus-simplify-buffer-fuzzy ()
1430 "Simplify string in the buffer fuzzily.
1431 The string in the accessible portion of the current buffer is simplified.
1432 It is assumed to be a single-line subject.
1433 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1434 matter is removed. Additional things can be deleted by setting
1435 `gnus-simplify-subject-fuzzy-regexp'."
1436 (let ((case-fold-search t)
1438 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1440 (while (not (eq modified-tick (buffer-modified-tick)))
1441 (setq modified-tick (buffer-modified-tick))
1443 ((listp gnus-simplify-subject-fuzzy-regexp)
1444 (mapcar 'gnus-simplify-buffer-fuzzy-step
1445 gnus-simplify-subject-fuzzy-regexp))
1446 (gnus-simplify-subject-fuzzy-regexp
1447 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1448 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1449 (gnus-simplify-buffer-fuzzy-step
1450 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1451 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1453 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1454 (gnus-simplify-buffer-fuzzy-step " +" " ")
1455 (gnus-simplify-buffer-fuzzy-step " $")
1456 (gnus-simplify-buffer-fuzzy-step "^ +")))
1458 (defun gnus-simplify-subject-fuzzy (subject)
1459 "Simplify a subject string fuzzily.
1460 See `gnus-simplify-buffer-fuzzy' for details."
1462 (gnus-set-work-buffer)
1463 (let ((case-fold-search t))
1464 ;; Remove uninteresting prefixes.
1465 (when (and gnus-simplify-ignored-prefixes
1466 (string-match gnus-simplify-ignored-prefixes subject))
1467 (setq subject (substring subject (match-end 0))))
1469 (inline (gnus-simplify-buffer-fuzzy))
1472 (defsubst gnus-simplify-subject-fully (subject)
1473 "Simplify a subject string according to gnus-summary-gather-subject-limit."
1475 (gnus-simplify-subject-functions
1476 (gnus-map-function gnus-simplify-subject-functions subject))
1477 ((null gnus-summary-gather-subject-limit)
1478 (gnus-simplify-subject-re subject))
1479 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1480 (gnus-simplify-subject-fuzzy subject))
1481 ((numberp gnus-summary-gather-subject-limit)
1482 (gnus-limit-string (gnus-simplify-subject-re subject)
1483 gnus-summary-gather-subject-limit))
1487 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1488 "Check whether two subjects are equal.
1489 If optional argument simple-first is t, first argument is already
1492 ((null simple-first)
1493 (equal (gnus-simplify-subject-fully s1)
1494 (gnus-simplify-subject-fully s2)))
1497 (gnus-simplify-subject-fully s2)))))
1499 (defun gnus-summary-bubble-group ()
1500 "Increase the score of the current group.
1501 This is a handy function to add to `gnus-summary-exit-hook' to
1502 increase the score of each group you read."
1503 (gnus-group-add-score gnus-newsgroup-name))
1507 ;;; Gnus summary mode
1510 (put 'gnus-summary-mode 'mode-class 'special)
1512 (defvar gnus-article-commands-menu)
1515 ;; Non-orthogonal keys
1517 (gnus-define-keys gnus-summary-mode-map
1518 " " gnus-summary-next-page
1519 "\177" gnus-summary-prev-page
1520 [delete] gnus-summary-prev-page
1521 [backspace] gnus-summary-prev-page
1522 "\r" gnus-summary-scroll-up
1523 "\M-\r" gnus-summary-scroll-down
1524 "n" gnus-summary-next-unread-article
1525 "p" gnus-summary-prev-unread-article
1526 "N" gnus-summary-next-article
1527 "P" gnus-summary-prev-article
1528 "\M-\C-n" gnus-summary-next-same-subject
1529 "\M-\C-p" gnus-summary-prev-same-subject
1530 "\M-n" gnus-summary-next-unread-subject
1531 "\M-p" gnus-summary-prev-unread-subject
1532 "." gnus-summary-first-unread-article
1533 "," gnus-summary-best-unread-article
1534 "\M-s" gnus-summary-search-article-forward
1535 "\M-r" gnus-summary-search-article-backward
1536 "<" gnus-summary-beginning-of-article
1537 ">" gnus-summary-end-of-article
1538 "j" gnus-summary-goto-article
1539 "^" gnus-summary-refer-parent-article
1540 "\M-^" gnus-summary-refer-article
1541 "u" gnus-summary-tick-article-forward
1542 "!" gnus-summary-tick-article-forward
1543 "U" gnus-summary-tick-article-backward
1544 "d" gnus-summary-mark-as-read-forward
1545 "D" gnus-summary-mark-as-read-backward
1546 "E" gnus-summary-mark-as-expirable
1547 "\M-u" gnus-summary-clear-mark-forward
1548 "\M-U" gnus-summary-clear-mark-backward
1549 "k" gnus-summary-kill-same-subject-and-select
1550 "\C-k" gnus-summary-kill-same-subject
1551 "\M-\C-k" gnus-summary-kill-thread
1552 "\M-\C-l" gnus-summary-lower-thread
1553 "e" gnus-summary-edit-article
1554 "#" gnus-summary-mark-as-processable
1555 "\M-#" gnus-summary-unmark-as-processable
1556 "\M-\C-t" gnus-summary-toggle-threads
1557 "\M-\C-s" gnus-summary-show-thread
1558 "\M-\C-h" gnus-summary-hide-thread
1559 "\M-\C-f" gnus-summary-next-thread
1560 "\M-\C-b" gnus-summary-prev-thread
1561 [(meta down)] gnus-summary-next-thread
1562 [(meta up)] gnus-summary-prev-thread
1563 "\M-\C-u" gnus-summary-up-thread
1564 "\M-\C-d" gnus-summary-down-thread
1565 "&" gnus-summary-execute-command
1566 "c" gnus-summary-catchup-and-exit
1567 "\C-w" gnus-summary-mark-region-as-read
1568 "\C-t" gnus-summary-toggle-truncation
1569 "?" gnus-summary-mark-as-dormant
1570 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1571 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1572 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1573 "\C-c\C-s\C-c" gnus-summary-sort-by-chars
1574 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1575 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1576 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1577 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1578 "\C-c\C-s\C-o" gnus-summary-sort-by-original
1579 "\C-c\C-s\C-r" gnus-summary-sort-by-random
1580 "=" gnus-summary-expand-window
1581 "\C-x\C-s" gnus-summary-reselect-current-group
1582 "\M-g" gnus-summary-rescan-group
1583 "w" gnus-summary-stop-page-breaking
1584 "\C-c\C-r" gnus-summary-caesar-message
1585 "f" gnus-summary-followup
1586 "F" gnus-summary-followup-with-original
1587 "C" gnus-summary-cancel-article
1588 "r" gnus-summary-reply
1589 "R" gnus-summary-reply-with-original
1590 "\C-c\C-f" gnus-summary-mail-forward
1591 "o" gnus-summary-save-article
1592 "\C-o" gnus-summary-save-article-mail
1593 "|" gnus-summary-pipe-output
1594 "\M-k" gnus-summary-edit-local-kill
1595 "\M-K" gnus-summary-edit-global-kill
1597 "\C-c\C-d" gnus-summary-describe-group
1598 "q" gnus-summary-exit
1599 "Q" gnus-summary-exit-no-update
1600 "\C-c\C-i" gnus-info-find-node
1601 gnus-mouse-2 gnus-mouse-pick-article
1602 "m" gnus-summary-mail-other-window
1603 "a" gnus-summary-post-news
1604 "i" gnus-summary-news-other-window
1605 "x" gnus-summary-limit-to-unread
1606 "s" gnus-summary-isearch-article
1607 "t" gnus-summary-toggle-header
1608 "g" gnus-summary-show-article
1609 "l" gnus-summary-goto-last-article
1610 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1611 "\C-d" gnus-summary-enter-digest-group
1612 "\M-\C-d" gnus-summary-read-document
1613 "\M-\C-e" gnus-summary-edit-parameters
1614 "\M-\C-a" gnus-summary-customize-parameters
1616 "*" gnus-cache-enter-article
1617 "\M-*" gnus-cache-remove-article
1618 "\M-&" gnus-summary-universal-argument
1619 "\C-l" gnus-recenter
1620 "I" gnus-summary-increase-score
1621 "L" gnus-summary-lower-score
1622 "\M-i" gnus-symbolic-argument
1623 "h" gnus-summary-select-article-buffer
1625 "b" gnus-article-view-part
1626 "\M-t" gnus-summary-toggle-display-buttonized
1628 "V" gnus-summary-score-map
1629 "X" gnus-uu-extract-map
1630 "S" gnus-summary-send-map)
1632 ;; Sort of orthogonal keymap
1633 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1634 "t" gnus-summary-tick-article-forward
1635 "!" gnus-summary-tick-article-forward
1636 "d" gnus-summary-mark-as-read-forward
1637 "r" gnus-summary-mark-as-read-forward
1638 "c" gnus-summary-clear-mark-forward
1639 " " gnus-summary-clear-mark-forward
1640 "e" gnus-summary-mark-as-expirable
1641 "x" gnus-summary-mark-as-expirable
1642 "?" gnus-summary-mark-as-dormant
1643 "b" gnus-summary-set-bookmark
1644 "B" gnus-summary-remove-bookmark
1645 "#" gnus-summary-mark-as-processable
1646 "\M-#" gnus-summary-unmark-as-processable
1647 "S" gnus-summary-limit-include-expunged
1648 "C" gnus-summary-catchup
1649 "H" gnus-summary-catchup-to-here
1650 "h" gnus-summary-catchup-from-here
1651 "\C-c" gnus-summary-catchup-all
1652 "k" gnus-summary-kill-same-subject-and-select
1653 "K" gnus-summary-kill-same-subject
1654 "P" gnus-uu-mark-map)
1656 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1657 "c" gnus-summary-clear-above
1658 "u" gnus-summary-tick-above
1659 "m" gnus-summary-mark-above
1660 "k" gnus-summary-kill-below)
1662 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1663 "/" gnus-summary-limit-to-subject
1664 "n" gnus-summary-limit-to-articles
1665 "w" gnus-summary-pop-limit
1666 "s" gnus-summary-limit-to-subject
1667 "a" gnus-summary-limit-to-author
1668 "u" gnus-summary-limit-to-unread
1669 "m" gnus-summary-limit-to-marks
1670 "M" gnus-summary-limit-exclude-marks
1671 "v" gnus-summary-limit-to-score
1672 "*" gnus-summary-limit-include-cached
1673 "D" gnus-summary-limit-include-dormant
1674 "T" gnus-summary-limit-include-thread
1675 "d" gnus-summary-limit-exclude-dormant
1676 "t" gnus-summary-limit-to-age
1677 "." gnus-summary-limit-to-unseen
1678 "x" gnus-summary-limit-to-extra
1679 "p" gnus-summary-limit-to-display-predicate
1680 "E" gnus-summary-limit-include-expunged
1681 "c" gnus-summary-limit-exclude-childless-dormant
1682 "C" gnus-summary-limit-mark-excluded-as-read
1683 "o" gnus-summary-insert-old-articles
1684 "N" gnus-summary-insert-new-articles)
1686 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1687 "n" gnus-summary-next-unread-article
1688 "p" gnus-summary-prev-unread-article
1689 "N" gnus-summary-next-article
1690 "P" gnus-summary-prev-article
1691 "\C-n" gnus-summary-next-same-subject
1692 "\C-p" gnus-summary-prev-same-subject
1693 "\M-n" gnus-summary-next-unread-subject
1694 "\M-p" gnus-summary-prev-unread-subject
1695 "f" gnus-summary-first-unread-article
1696 "b" gnus-summary-best-unread-article
1697 "j" gnus-summary-goto-article
1698 "g" gnus-summary-goto-subject
1699 "l" gnus-summary-goto-last-article
1700 "o" gnus-summary-pop-article)
1702 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1703 "k" gnus-summary-kill-thread
1704 "l" gnus-summary-lower-thread
1705 "i" gnus-summary-raise-thread
1706 "T" gnus-summary-toggle-threads
1707 "t" gnus-summary-rethread-current
1708 "^" gnus-summary-reparent-thread
1709 "s" gnus-summary-show-thread
1710 "S" gnus-summary-show-all-threads
1711 "h" gnus-summary-hide-thread
1712 "H" gnus-summary-hide-all-threads
1713 "n" gnus-summary-next-thread
1714 "p" gnus-summary-prev-thread
1715 "u" gnus-summary-up-thread
1716 "o" gnus-summary-top-thread
1717 "d" gnus-summary-down-thread
1718 "#" gnus-uu-mark-thread
1719 "\M-#" gnus-uu-unmark-thread)
1721 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1722 "g" gnus-summary-prepare
1723 "c" gnus-summary-insert-cached-articles
1724 "d" gnus-summary-insert-dormant-articles)
1726 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1727 "c" gnus-summary-catchup-and-exit
1728 "C" gnus-summary-catchup-all-and-exit
1729 "E" gnus-summary-exit-no-update
1730 "Q" gnus-summary-exit
1731 "Z" gnus-summary-exit
1732 "n" gnus-summary-catchup-and-goto-next-group
1733 "R" gnus-summary-reselect-current-group
1734 "G" gnus-summary-rescan-group
1735 "N" gnus-summary-next-group
1736 "s" gnus-summary-save-newsrc
1737 "P" gnus-summary-prev-group)
1739 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1740 " " gnus-summary-next-page
1741 "n" gnus-summary-next-page
1742 "\177" gnus-summary-prev-page
1743 [delete] gnus-summary-prev-page
1744 "p" gnus-summary-prev-page
1745 "\r" gnus-summary-scroll-up
1746 "\M-\r" gnus-summary-scroll-down
1747 "<" gnus-summary-beginning-of-article
1748 ">" gnus-summary-end-of-article
1749 "b" gnus-summary-beginning-of-article
1750 "e" gnus-summary-end-of-article
1751 "^" gnus-summary-refer-parent-article
1752 "r" gnus-summary-refer-parent-article
1753 "D" gnus-summary-enter-digest-group
1754 "R" gnus-summary-refer-references
1755 "T" gnus-summary-refer-thread
1756 "g" gnus-summary-show-article
1757 "s" gnus-summary-isearch-article
1758 "P" gnus-summary-print-article
1759 "M" gnus-mailing-list-insinuate
1760 "t" gnus-article-babel)
1762 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1763 "b" gnus-article-add-buttons
1764 "B" gnus-article-add-buttons-to-head
1765 "o" gnus-article-treat-overstrike
1766 "e" gnus-article-emphasize
1767 "w" gnus-article-fill-cited-article
1768 "Q" gnus-article-fill-long-lines
1769 "C" gnus-article-capitalize-sentences
1770 "c" gnus-article-remove-cr
1771 "q" gnus-article-de-quoted-unreadable
1772 "6" gnus-article-de-base64-unreadable
1773 "Z" gnus-article-decode-HZ
1774 "h" gnus-article-wash-html
1775 "u" gnus-article-unsplit-urls
1776 "s" gnus-summary-force-verify-and-decrypt
1777 "f" gnus-article-display-x-face
1778 "l" gnus-summary-stop-page-breaking
1779 "r" gnus-summary-caesar-message
1780 "m" gnus-summary-morse-message
1781 "t" gnus-summary-toggle-header
1782 "g" gnus-treat-smiley
1783 "v" gnus-summary-verbose-headers
1784 "a" gnus-article-strip-headers-in-body ;; mnemonic: wash archive
1785 "p" gnus-article-verify-x-pgp-sig
1786 "d" gnus-article-treat-dumbquotes
1787 "k" gnus-article-outlook-deuglify-article)
1789 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1790 "a" gnus-article-hide
1791 "h" gnus-article-hide-headers
1792 "b" gnus-article-hide-boring-headers
1793 "s" gnus-article-hide-signature
1794 "c" gnus-article-hide-citation
1795 "C" gnus-article-hide-citation-in-followups
1796 "l" gnus-article-hide-list-identifiers
1797 "p" gnus-article-hide-pgp
1798 "B" gnus-article-strip-banner
1799 "P" gnus-article-hide-pem
1800 "\C-c" gnus-article-hide-citation-maybe)
1802 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
1803 "a" gnus-article-highlight
1804 "h" gnus-article-highlight-headers
1805 "c" gnus-article-highlight-citation
1806 "s" gnus-article-highlight-signature)
1808 (gnus-define-keys (gnus-summary-wash-header-map "G" gnus-summary-wash-map)
1809 "f" gnus-article-treat-fold-headers
1810 "u" gnus-article-treat-unfold-headers
1811 "n" gnus-article-treat-fold-newsgroups)
1813 (gnus-define-keys (gnus-summary-wash-display-map "D" gnus-summary-wash-map)
1814 "x" gnus-article-display-x-face
1815 "s" gnus-treat-smiley
1816 "D" gnus-article-remove-images
1817 "f" gnus-treat-from-picon
1818 "m" gnus-treat-mail-picon
1819 "n" gnus-treat-newsgroups-picon)
1821 (gnus-define-keys (gnus-summary-wash-mime-map "M" gnus-summary-wash-map)
1822 "w" gnus-article-decode-mime-words
1823 "c" gnus-article-decode-charset
1824 "v" gnus-mime-view-all-parts
1825 "b" gnus-article-view-part)
1827 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
1828 "z" gnus-article-date-ut
1829 "u" gnus-article-date-ut
1830 "l" gnus-article-date-local
1831 "p" gnus-article-date-english
1832 "e" gnus-article-date-lapsed
1833 "o" gnus-article-date-original
1834 "i" gnus-article-date-iso8601
1835 "s" gnus-article-date-user)
1837 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
1838 "t" gnus-article-remove-trailing-blank-lines
1839 "l" gnus-article-strip-leading-blank-lines
1840 "m" gnus-article-strip-multiple-blank-lines
1841 "a" gnus-article-strip-blank-lines
1842 "A" gnus-article-strip-all-blank-lines
1843 "s" gnus-article-strip-leading-space
1844 "e" gnus-article-strip-trailing-space
1845 "w" gnus-article-remove-leading-whitespace)
1847 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
1849 "f" gnus-summary-fetch-faq
1850 "d" gnus-summary-describe-group
1851 "h" gnus-summary-describe-briefly
1852 "i" gnus-info-find-node
1853 "c" gnus-group-fetch-charter
1854 "C" gnus-group-fetch-control)
1856 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
1857 "e" gnus-summary-expire-articles
1858 "\M-\C-e" gnus-summary-expire-articles-now
1859 "\177" gnus-summary-delete-article
1860 [delete] gnus-summary-delete-article
1861 [backspace] gnus-summary-delete-article
1862 "m" gnus-summary-move-article
1863 "r" gnus-summary-respool-article
1864 "w" gnus-summary-edit-article
1865 "c" gnus-summary-copy-article
1866 "B" gnus-summary-crosspost-article
1867 "q" gnus-summary-respool-query
1868 "t" gnus-summary-respool-trace
1869 "i" gnus-summary-import-article
1870 "I" gnus-summary-create-article
1871 "p" gnus-summary-article-posted-p)
1873 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
1874 "o" gnus-summary-save-article
1875 "m" gnus-summary-save-article-mail
1876 "F" gnus-summary-write-article-file
1877 "r" gnus-summary-save-article-rmail
1878 "f" gnus-summary-save-article-file
1879 "b" gnus-summary-save-article-body-file
1880 "h" gnus-summary-save-article-folder
1881 "v" gnus-summary-save-article-vm
1882 "p" gnus-summary-pipe-output
1883 "P" gnus-summary-muttprint
1884 "s" gnus-soup-add-article)
1886 (gnus-define-keys (gnus-summary-mime-map "K" gnus-summary-mode-map)
1887 "b" gnus-summary-display-buttonized
1888 "m" gnus-summary-repair-multipart
1889 "v" gnus-article-view-part
1890 "o" gnus-article-save-part
1891 "c" gnus-article-copy-part
1892 "C" gnus-article-view-part-as-charset
1893 "e" gnus-article-view-part-externally
1894 "E" gnus-article-encrypt-body
1895 "i" gnus-article-inline-part
1896 "|" gnus-article-pipe-part)
1898 (gnus-define-keys (gnus-uu-mark-map "P" gnus-summary-mark-map)
1899 "p" gnus-summary-mark-as-processable
1900 "u" gnus-summary-unmark-as-processable
1901 "U" gnus-summary-unmark-all-processable
1902 "v" gnus-uu-mark-over
1903 "s" gnus-uu-mark-series
1904 "r" gnus-uu-mark-region
1905 "g" gnus-uu-unmark-region
1906 "R" gnus-uu-mark-by-regexp
1907 "G" gnus-uu-unmark-by-regexp
1908 "t" gnus-uu-mark-thread
1909 "T" gnus-uu-unmark-thread
1910 "a" gnus-uu-mark-all
1911 "b" gnus-uu-mark-buffer
1912 "S" gnus-uu-mark-sparse
1913 "k" gnus-summary-kill-process-mark
1914 "y" gnus-summary-yank-process-mark
1915 "w" gnus-summary-save-process-mark
1916 "i" gnus-uu-invert-processable)
1918 (gnus-define-keys (gnus-uu-extract-map "X" gnus-summary-mode-map)
1919 ;;"x" gnus-uu-extract-any
1920 "m" gnus-summary-save-parts
1921 "u" gnus-uu-decode-uu
1922 "U" gnus-uu-decode-uu-and-save
1923 "s" gnus-uu-decode-unshar
1924 "S" gnus-uu-decode-unshar-and-save
1925 "o" gnus-uu-decode-save
1926 "O" gnus-uu-decode-save
1927 "b" gnus-uu-decode-binhex
1928 "B" gnus-uu-decode-binhex
1929 "p" gnus-uu-decode-postscript
1930 "P" gnus-uu-decode-postscript-and-save)
1933 (gnus-uu-extract-view-map "v" gnus-uu-extract-map)
1934 "u" gnus-uu-decode-uu-view
1935 "U" gnus-uu-decode-uu-and-save-view
1936 "s" gnus-uu-decode-unshar-view
1937 "S" gnus-uu-decode-unshar-and-save-view
1938 "o" gnus-uu-decode-save-view
1939 "O" gnus-uu-decode-save-view
1940 "b" gnus-uu-decode-binhex-view
1941 "B" gnus-uu-decode-binhex-view
1942 "p" gnus-uu-decode-postscript-view
1943 "P" gnus-uu-decode-postscript-and-save-view))
1945 (defvar gnus-article-post-menu nil)
1947 (defconst gnus-summary-menu-maxlen 20)
1949 (defun gnus-summary-menu-split (menu)
1950 ;; If we have lots of elements, divide them into groups of 20
1951 ;; and make a pane (or submenu) for each one.
1952 (if (> (length menu) (/ (* gnus-summary-menu-maxlen 3) 2))
1953 (let ((menu menu) sublists next
1956 ;; Pull off the next gnus-summary-menu-maxlen elements
1957 ;; and make them the next element of sublist.
1958 (setq next (nthcdr gnus-summary-menu-maxlen menu))
1960 (setcdr (nthcdr (1- gnus-summary-menu-maxlen) menu)
1962 (setq sublists (cons (cons (format "%s ... %s" (aref (car menu) 0)
1963 (aref (car (last menu)) 0)) menu)
1967 (nreverse sublists))
1968 ;; Few elements--put them all in one pane.
1971 (defun gnus-summary-make-menu-bar ()
1972 (gnus-turn-off-edit-menu 'summary)
1974 (unless (boundp 'gnus-summary-misc-menu)
1977 gnus-summary-kill-menu gnus-summary-mode-map ""
1982 ["Customize" gnus-score-customize t])
1983 (gnus-make-score-map 'increase)
1984 (gnus-make-score-map 'lower)
1986 ["Kill below" gnus-summary-kill-below t]
1987 ["Mark above" gnus-summary-mark-above t]
1988 ["Tick above" gnus-summary-tick-above t]
1989 ["Clear above" gnus-summary-clear-above t])
1990 ["Current score" gnus-summary-current-score t]
1991 ["Set score" gnus-summary-set-score t]
1992 ["Switch current score file..." gnus-score-change-score-file t]
1993 ["Set mark below..." gnus-score-set-mark-below t]
1994 ["Set expunge below..." gnus-score-set-expunge-below t]
1995 ["Edit current score file" gnus-score-edit-current-scores t]
1996 ["Edit score file" gnus-score-edit-file t]
1997 ["Trace score" gnus-score-find-trace t]
1998 ["Find words" gnus-score-find-favourite-words t]
1999 ["Rescore buffer" gnus-summary-rescore t]
2000 ["Increase score..." gnus-summary-increase-score t]
2001 ["Lower score..." gnus-summary-lower-score t]))))
2003 ;; Define both the Article menu in the summary buffer and the
2004 ;; equivalent Commands menu in the article buffer here for
2008 ["All" gnus-article-hide t]
2009 ["Headers" gnus-article-hide-headers t]
2010 ["Signature" gnus-article-hide-signature t]
2011 ["Citation" gnus-article-hide-citation t]
2012 ["List identifiers" gnus-article-hide-list-identifiers t]
2013 ["PGP" gnus-article-hide-pgp t]
2014 ["Banner" gnus-article-strip-banner t]
2015 ["Boring headers" gnus-article-hide-boring-headers t])
2017 ["All" gnus-article-highlight t]
2018 ["Headers" gnus-article-highlight-headers t]
2019 ["Signature" gnus-article-highlight-signature t]
2020 ["Citation" gnus-article-highlight-citation t])
2022 ["Words" gnus-article-decode-mime-words t]
2023 ["Charset" gnus-article-decode-charset t]
2024 ["QP" gnus-article-de-quoted-unreadable t]
2025 ["Base64" gnus-article-de-base64-unreadable t]
2026 ["View MIME buttons" gnus-summary-display-buttonized t]
2027 ["View all" gnus-mime-view-all-parts t]
2028 ["Verify and Decrypt" gnus-summary-force-verify-and-decrypt t]
2029 ["Encrypt body" gnus-article-encrypt-body t]
2030 ["Extract all parts" gnus-summary-save-parts t])
2032 ["Local" gnus-article-date-local t]
2033 ["ISO8601" gnus-article-date-iso8601 t]
2034 ["UT" gnus-article-date-ut t]
2035 ["Original" gnus-article-date-original t]
2036 ["Lapsed" gnus-article-date-lapsed t]
2037 ["User-defined" gnus-article-date-user t])
2039 ["Remove images" gnus-article-remove-images t]
2040 ["Toggle smiley" gnus-treat-smiley t]
2041 ["Show X-Face" gnus-article-display-x-face t]
2042 ["Show picons in From" gnus-treat-from-picon t]
2043 ["Show picons in mail headers" gnus-treat-mail-picon t]
2044 ["Show picons in news headers" gnus-treat-newsgroups-picon t]
2045 ("View as different encoding"
2046 ,@(gnus-summary-menu-split
2049 ;; Since easymenu under FSF Emacs doesn't allow lambda
2050 ;; forms for menu commands, we should provide intern'ed
2051 ;; function symbols.
2052 (let ((command (intern (format "\
2053 gnus-summary-show-article-from-menu-as-charset-%s" cs))))
2057 (let ((gnus-summary-show-article-charset-alist
2059 (gnus-summary-show-article 1))))
2060 `[,(symbol-name cs) ,command t]))
2061 (sort (if (fboundp 'coding-system-list)
2062 (coding-system-list)
2063 (mapcar 'car mm-mime-mule-charset-alist))
2067 ["Leading" gnus-article-strip-leading-blank-lines t]
2068 ["Multiple" gnus-article-strip-multiple-blank-lines t]
2069 ["Trailing" gnus-article-remove-trailing-blank-lines t]
2070 ["All of the above" gnus-article-strip-blank-lines t]
2071 ["All" gnus-article-strip-all-blank-lines t]
2072 ["Leading space" gnus-article-strip-leading-space t]
2073 ["Trailing space" gnus-article-strip-trailing-space t]
2074 ["Leading space in headers"
2075 gnus-article-remove-leading-whitespace t])
2076 ["Overstrike" gnus-article-treat-overstrike t]
2077 ["Dumb quotes" gnus-article-treat-dumbquotes t]
2078 ["Emphasis" gnus-article-emphasize t]
2079 ["Word wrap" gnus-article-fill-cited-article t]
2080 ["Fill long lines" gnus-article-fill-long-lines t]
2081 ["Capitalize sentences" gnus-article-capitalize-sentences t]
2082 ["CR" gnus-article-remove-cr t]
2083 ["Quoted-Printable" gnus-article-de-quoted-unreadable t]
2084 ["Base64" gnus-article-de-base64-unreadable t]
2085 ["Rot 13" gnus-summary-caesar-message
2086 ,@(if (featurep 'xemacs) '(t)
2087 '(:help "\"Caesar rotate\" article by 13"))]
2088 ["Morse decode" gnus-summary-morse-message t]
2089 ["Unix pipe..." gnus-summary-pipe-message t]
2090 ["Add buttons" gnus-article-add-buttons t]
2091 ["Add buttons to head" gnus-article-add-buttons-to-head t]
2092 ["Stop page breaking" gnus-summary-stop-page-breaking t]
2093 ["Verbose header" gnus-summary-verbose-headers t]
2094 ["Toggle header" gnus-summary-toggle-header t]
2095 ["Unfold headers" gnus-article-treat-unfold-headers t]
2096 ["Fold newsgroups" gnus-article-treat-fold-newsgroups t]
2097 ["Html" gnus-article-wash-html t]
2098 ["URLs" gnus-article-unsplit-urls t]
2099 ["Verify X-PGP-Sig" gnus-article-verify-x-pgp-sig t]
2100 ["HZ" gnus-article-decode-HZ t]
2101 ["OutlooK deuglify" gnus-article-outlook-deuglify-article t]
2104 ["Save in default format" gnus-summary-save-article
2105 ,@(if (featurep 'xemacs) '(t)
2106 '(:help "Save article using default method"))]
2107 ["Save in file" gnus-summary-save-article-file
2108 ,@(if (featurep 'xemacs) '(t)
2109 '(:help "Save article in file"))]
2110 ["Save in Unix mail format" gnus-summary-save-article-mail t]
2111 ["Save in MH folder" gnus-summary-save-article-folder t]
2112 ["Save in VM folder" gnus-summary-save-article-vm t]
2113 ["Save in RMAIL mbox" gnus-summary-save-article-rmail t]
2114 ["Save body in file" gnus-summary-save-article-body-file t]
2115 ["Pipe through a filter" gnus-summary-pipe-output t]
2116 ["Add to SOUP packet" gnus-soup-add-article t]
2117 ["Print with Muttprint" gnus-summary-muttprint t]
2118 ["Print" gnus-summary-print-article t])
2120 ["Respool article..." gnus-summary-respool-article t]
2121 ["Move article..." gnus-summary-move-article
2122 (gnus-check-backend-function
2123 'request-move-article gnus-newsgroup-name)]
2124 ["Copy article..." gnus-summary-copy-article t]
2125 ["Crosspost article..." gnus-summary-crosspost-article
2126 (gnus-check-backend-function
2127 'request-replace-article gnus-newsgroup-name)]
2128 ["Import file..." gnus-summary-import-article t]
2129 ["Create article..." gnus-summary-create-article t]
2130 ["Check if posted" gnus-summary-article-posted-p t]
2131 ["Edit article" gnus-summary-edit-article
2132 (not (gnus-group-read-only-p))]
2133 ["Delete article" gnus-summary-delete-article
2134 (gnus-check-backend-function
2135 'request-expire-articles gnus-newsgroup-name)]
2136 ["Query respool" gnus-summary-respool-query t]
2137 ["Trace respool" gnus-summary-respool-trace t]
2138 ["Delete expirable articles" gnus-summary-expire-articles-now
2139 (gnus-check-backend-function
2140 'request-expire-articles gnus-newsgroup-name)])
2142 ["Uudecode" gnus-uu-decode-uu
2143 ,@(if (featurep 'xemacs) '(t)
2144 '(:help "Decode uuencoded article(s)"))]
2145 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
2146 ["Unshar" gnus-uu-decode-unshar t]
2147 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
2148 ["Save" gnus-uu-decode-save t]
2149 ["Binhex" gnus-uu-decode-binhex t]
2150 ["Postscript" gnus-uu-decode-postscript t]
2151 ["All MIME parts" gnus-summary-save-parts t])
2153 ["Enter article" gnus-cache-enter-article t]
2154 ["Remove article" gnus-cache-remove-article t])
2155 ["Translate" gnus-article-babel t]
2156 ["Select article buffer" gnus-summary-select-article-buffer t]
2157 ["Enter digest buffer" gnus-summary-enter-digest-group t]
2158 ["Isearch article..." gnus-summary-isearch-article t]
2159 ["Beginning of the article" gnus-summary-beginning-of-article t]
2160 ["End of the article" gnus-summary-end-of-article t]
2161 ["Fetch parent of article" gnus-summary-refer-parent-article t]
2162 ["Fetch referenced articles" gnus-summary-refer-references t]
2163 ["Fetch current thread" gnus-summary-refer-thread t]
2164 ["Fetch article with id..." gnus-summary-refer-article t]
2165 ["Setup Mailing List Params" gnus-mailing-list-insinuate t]
2166 ["Redisplay" gnus-summary-show-article t]
2167 ["Raw article" gnus-summary-show-raw-article :keys "C-u g"])))
2169 gnus-summary-article-menu gnus-summary-mode-map ""
2170 (cons "Article" innards))
2172 (if (not (keymapp gnus-summary-article-menu))
2174 gnus-article-commands-menu gnus-article-mode-map ""
2175 (cons "Commands" innards))
2176 ;; in Emacs, don't share menu.
2177 (setq gnus-article-commands-menu
2178 (copy-keymap gnus-summary-article-menu))
2179 (define-key gnus-article-mode-map [menu-bar commands]
2180 (cons "Commands" gnus-article-commands-menu))))
2183 gnus-summary-thread-menu gnus-summary-mode-map ""
2185 ["Find all messages in thread" gnus-summary-refer-thread t]
2186 ["Toggle threading" gnus-summary-toggle-threads t]
2187 ["Hide threads" gnus-summary-hide-all-threads t]
2188 ["Show threads" gnus-summary-show-all-threads t]
2189 ["Hide thread" gnus-summary-hide-thread t]
2190 ["Show thread" gnus-summary-show-thread t]
2191 ["Go to next thread" gnus-summary-next-thread t]
2192 ["Go to previous thread" gnus-summary-prev-thread t]
2193 ["Go down thread" gnus-summary-down-thread t]
2194 ["Go up thread" gnus-summary-up-thread t]
2195 ["Top of thread" gnus-summary-top-thread t]
2196 ["Mark thread as read" gnus-summary-kill-thread t]
2197 ["Lower thread score" gnus-summary-lower-thread t]
2198 ["Raise thread score" gnus-summary-raise-thread t]
2199 ["Rethread current" gnus-summary-rethread-current t]))
2202 gnus-summary-post-menu gnus-summary-mode-map ""
2204 ["Send a message (mail or news)" gnus-summary-post-news
2205 ,@(if (featurep 'xemacs) '(t)
2206 '(:help "Post an article"))]
2207 ["Followup" gnus-summary-followup
2208 ,@(if (featurep 'xemacs) '(t)
2209 '(:help "Post followup to this article"))]
2210 ["Followup and yank" gnus-summary-followup-with-original
2211 ,@(if (featurep 'xemacs) '(t)
2212 '(:help "Post followup to this article, quoting its contents"))]
2213 ["Supersede article" gnus-summary-supersede-article t]
2214 ["Cancel article" gnus-summary-cancel-article
2215 ,@(if (featurep 'xemacs) '(t)
2216 '(:help "Cancel an article you posted"))]
2217 ["Reply" gnus-summary-reply t]
2218 ["Reply and yank" gnus-summary-reply-with-original t]
2219 ["Wide reply" gnus-summary-wide-reply t]
2220 ["Wide reply and yank" gnus-summary-wide-reply-with-original
2221 ,@(if (featurep 'xemacs) '(t)
2222 '(:help "Mail a reply, quoting this article"))]
2223 ["Very wide reply" gnus-summary-very-wide-reply t]
2224 ["Very wide reply and yank" gnus-summary-very-wide-reply-with-original
2225 ,@(if (featurep 'xemacs) '(t)
2226 '(:help "Mail a very wide reply, quoting this article"))]
2227 ["Mail forward" gnus-summary-mail-forward t]
2228 ["Post forward" gnus-summary-post-forward t]
2229 ["Digest and mail" gnus-uu-digest-mail-forward t]
2230 ["Digest and post" gnus-uu-digest-post-forward t]
2231 ["Resend message" gnus-summary-resend-message t]
2232 ["Resend message edit" gnus-summary-resend-message-edit t]
2233 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
2234 ["Send a mail" gnus-summary-mail-other-window t]
2235 ["Create a local message" gnus-summary-news-other-window t]
2236 ["Uuencode and post" gnus-uu-post-news
2237 ,@(if (featurep 'xemacs) '(t)
2238 '(:help "Post a uuencoded article"))]
2239 ["Followup via news" gnus-summary-followup-to-mail t]
2240 ["Followup via news and yank"
2241 gnus-summary-followup-to-mail-with-original t]
2243 ;;["Send" gnus-summary-send-draft t]
2244 ;;["Send bounced" gnus-resend-bounced-mail t])
2248 ((not (keymapp gnus-summary-post-menu))
2249 (setq gnus-article-post-menu gnus-summary-post-menu))
2250 ((not gnus-article-post-menu)
2251 ;; Don't share post menu.
2252 (setq gnus-article-post-menu
2253 (copy-keymap gnus-summary-post-menu))))
2254 (define-key gnus-article-mode-map [menu-bar post]
2255 (cons "Post" gnus-article-post-menu))
2258 gnus-summary-misc-menu gnus-summary-mode-map ""
2261 ["Mark as read" gnus-summary-mark-as-read-forward t]
2262 ["Mark same subject and select"
2263 gnus-summary-kill-same-subject-and-select t]
2264 ["Mark same subject" gnus-summary-kill-same-subject t]
2265 ["Catchup" gnus-summary-catchup
2266 ,@(if (featurep 'xemacs) '(t)
2267 '(:help "Mark unread articles in this group as read"))]
2268 ["Catchup all" gnus-summary-catchup-all t]
2269 ["Catchup to here" gnus-summary-catchup-to-here t]
2270 ["Catchup from here" gnus-summary-catchup-from-here t]
2271 ["Catchup region" gnus-summary-mark-region-as-read t]
2272 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
2274 ["Tick" gnus-summary-tick-article-forward t]
2275 ["Mark as dormant" gnus-summary-mark-as-dormant t]
2276 ["Remove marks" gnus-summary-clear-mark-forward t]
2277 ["Set expirable mark" gnus-summary-mark-as-expirable t]
2278 ["Set bookmark" gnus-summary-set-bookmark t]
2279 ["Remove bookmark" gnus-summary-remove-bookmark t])
2281 ["Marks..." gnus-summary-limit-to-marks t]
2282 ["Subject..." gnus-summary-limit-to-subject t]
2283 ["Author..." gnus-summary-limit-to-author t]
2284 ["Age..." gnus-summary-limit-to-age t]
2285 ["Extra..." gnus-summary-limit-to-extra t]
2286 ["Score..." gnus-summary-limit-to-score t]
2287 ["Display Predicate" gnus-summary-limit-to-display-predicate t]
2288 ["Unread" gnus-summary-limit-to-unread t]
2289 ["Unseen" gnus-summary-limit-to-unseen t]
2290 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
2291 ["Next articles" gnus-summary-limit-to-articles t]
2292 ["Pop limit" gnus-summary-pop-limit t]
2293 ["Show dormant" gnus-summary-limit-include-dormant t]
2294 ["Hide childless dormant"
2295 gnus-summary-limit-exclude-childless-dormant t]
2296 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
2297 ["Hide marked" gnus-summary-limit-exclude-marks t]
2298 ["Show expunged" gnus-summary-limit-include-expunged t])
2300 ["Set mark" gnus-summary-mark-as-processable t]
2301 ["Remove mark" gnus-summary-unmark-as-processable t]
2302 ["Remove all marks" gnus-summary-unmark-all-processable t]
2303 ["Mark above" gnus-uu-mark-over t]
2304 ["Mark series" gnus-uu-mark-series t]
2305 ["Mark region" gnus-uu-mark-region t]
2306 ["Unmark region" gnus-uu-unmark-region t]
2307 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
2308 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
2309 ["Mark all" gnus-uu-mark-all t]
2310 ["Mark buffer" gnus-uu-mark-buffer t]
2311 ["Mark sparse" gnus-uu-mark-sparse t]
2312 ["Mark thread" gnus-uu-mark-thread t]
2313 ["Unmark thread" gnus-uu-unmark-thread t]
2314 ("Process Mark Sets"
2315 ["Kill" gnus-summary-kill-process-mark t]
2316 ["Yank" gnus-summary-yank-process-mark
2317 gnus-newsgroup-process-stack]
2318 ["Save" gnus-summary-save-process-mark t]))
2320 ["Page forward" gnus-summary-next-page
2321 ,@(if (featurep 'xemacs) '(t)
2322 '(:help "Show next page of article"))]
2323 ["Page backward" gnus-summary-prev-page
2324 ,@(if (featurep 'xemacs) '(t)
2325 '(:help "Show previous page of article"))]
2326 ["Line forward" gnus-summary-scroll-up t])
2328 ["Next unread article" gnus-summary-next-unread-article t]
2329 ["Previous unread article" gnus-summary-prev-unread-article t]
2330 ["Next article" gnus-summary-next-article t]
2331 ["Previous article" gnus-summary-prev-article t]
2332 ["Next unread subject" gnus-summary-next-unread-subject t]
2333 ["Previous unread subject" gnus-summary-prev-unread-subject t]
2334 ["Next article same subject" gnus-summary-next-same-subject t]
2335 ["Previous article same subject" gnus-summary-prev-same-subject t]
2336 ["First unread article" gnus-summary-first-unread-article t]
2337 ["Best unread article" gnus-summary-best-unread-article t]
2338 ["Go to subject number..." gnus-summary-goto-subject t]
2339 ["Go to article number..." gnus-summary-goto-article t]
2340 ["Go to the last article" gnus-summary-goto-last-article t]
2341 ["Pop article off history" gnus-summary-pop-article t])
2343 ["Sort by number" gnus-summary-sort-by-number t]
2344 ["Sort by author" gnus-summary-sort-by-author t]
2345 ["Sort by subject" gnus-summary-sort-by-subject t]
2346 ["Sort by date" gnus-summary-sort-by-date t]
2347 ["Sort by score" gnus-summary-sort-by-score t]
2348 ["Sort by lines" gnus-summary-sort-by-lines t]
2349 ["Sort by characters" gnus-summary-sort-by-chars t]
2350 ["Randomize" gnus-summary-sort-by-random t]
2351 ["Original sort" gnus-summary-sort-by-original t])
2353 ["Fetch group FAQ" gnus-summary-fetch-faq t]
2354 ["Describe group" gnus-summary-describe-group t]
2355 ["Fetch charter" gnus-group-fetch-charter
2356 ,@(if (featurep 'xemacs) nil
2357 '(:help "Display the charter of the current group"))]
2358 ["Fetch control message" gnus-group-fetch-control
2359 ,@(if (featurep 'xemacs) nil
2360 '(:help "Display the archived control message for the current group"))]
2361 ["Read manual" gnus-info-find-node t])
2363 ["Pick and read" gnus-pick-mode t]
2364 ["Binary" gnus-binary-mode t])
2366 ["Regenerate" gnus-summary-prepare t]
2367 ["Insert cached articles" gnus-summary-insert-cached-articles t]
2368 ["Insert dormant articles" gnus-summary-insert-dormant-articles t]
2369 ["Toggle threading" gnus-summary-toggle-threads t])
2370 ["See old articles" gnus-summary-insert-old-articles t]
2371 ["See new articles" gnus-summary-insert-new-articles t]
2372 ["Filter articles..." gnus-summary-execute-command t]
2373 ["Run command on subjects..." gnus-summary-universal-argument t]
2374 ["Search articles forward..." gnus-summary-search-article-forward t]
2375 ["Search articles backward..." gnus-summary-search-article-backward t]
2376 ["Toggle line truncation" gnus-summary-toggle-truncation t]
2377 ["Expand window" gnus-summary-expand-window t]
2378 ["Expire expirable articles" gnus-summary-expire-articles
2379 (gnus-check-backend-function
2380 'request-expire-articles gnus-newsgroup-name)]
2381 ["Edit local kill file" gnus-summary-edit-local-kill t]
2382 ["Edit main kill file" gnus-summary-edit-global-kill t]
2383 ["Edit group parameters" gnus-summary-edit-parameters t]
2384 ["Customize group parameters" gnus-summary-customize-parameters t]
2385 ["Send a bug report" gnus-bug t]
2387 ["Catchup and exit" gnus-summary-catchup-and-exit
2388 ,@(if (featurep 'xemacs) '(t)
2389 '(:help "Mark unread articles in this group as read, then exit"))]
2390 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
2391 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
2392 ["Exit group" gnus-summary-exit
2393 ,@(if (featurep 'xemacs) '(t)
2394 '(:help "Exit current group, return to group selection mode"))]
2395 ["Exit group without updating" gnus-summary-exit-no-update t]
2396 ["Exit and goto next group" gnus-summary-next-group t]
2397 ["Exit and goto prev group" gnus-summary-prev-group t]
2398 ["Reselect group" gnus-summary-reselect-current-group t]
2399 ["Rescan group" gnus-summary-rescan-group t]
2400 ["Update dribble" gnus-summary-save-newsrc t])))
2402 (gnus-run-hooks 'gnus-summary-menu-hook)))
2404 (defvar gnus-summary-tool-bar-map nil)
2406 ;; Emacs 21 tool bar. Should be no-op otherwise.
2407 (defun gnus-summary-make-tool-bar ()
2408 (if (and (fboundp 'tool-bar-add-item-from-menu)
2409 (default-value 'tool-bar-mode)
2410 (not gnus-summary-tool-bar-map))
2411 (setq gnus-summary-tool-bar-map
2412 (let ((tool-bar-map (make-sparse-keymap))
2413 (load-path (mm-image-load-path)))
2414 (tool-bar-add-item-from-menu
2415 'gnus-summary-prev-unread "prev-ur" gnus-summary-mode-map)
2416 (tool-bar-add-item-from-menu
2417 'gnus-summary-next-unread "next-ur" gnus-summary-mode-map)
2418 (tool-bar-add-item-from-menu
2419 'gnus-summary-post-news "post" gnus-summary-mode-map)
2420 (tool-bar-add-item-from-menu
2421 'gnus-summary-followup-with-original "fuwo" gnus-summary-mode-map)
2422 (tool-bar-add-item-from-menu
2423 'gnus-summary-followup "followup" gnus-summary-mode-map)
2424 (tool-bar-add-item-from-menu
2425 'gnus-summary-reply-with-original "reply-wo" gnus-summary-mode-map)
2426 (tool-bar-add-item-from-menu
2427 'gnus-summary-reply "reply" gnus-summary-mode-map)
2428 (tool-bar-add-item-from-menu
2429 'gnus-summary-caesar-message "rot13" gnus-summary-mode-map)
2430 (tool-bar-add-item-from-menu
2431 'gnus-uu-decode-uu "uu-decode" gnus-summary-mode-map)
2432 (tool-bar-add-item-from-menu
2433 'gnus-summary-save-article-file "save-aif" gnus-summary-mode-map)
2434 (tool-bar-add-item-from-menu
2435 'gnus-summary-save-article "save-art" gnus-summary-mode-map)
2436 (tool-bar-add-item-from-menu
2437 'gnus-uu-post-news "uu-post" gnus-summary-mode-map)
2438 (tool-bar-add-item-from-menu
2439 'gnus-summary-catchup "catchup" gnus-summary-mode-map)
2440 (tool-bar-add-item-from-menu
2441 'gnus-summary-catchup-and-exit "cu-exit" gnus-summary-mode-map)
2442 (tool-bar-add-item-from-menu
2443 'gnus-summary-exit "exit-summ" gnus-summary-mode-map)
2445 (if gnus-summary-tool-bar-map
2446 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
2448 (defun gnus-score-set-default (var value)
2449 "A version of set that updates the GNU Emacs menu-bar."
2451 ;; It is the message that forces the active status to be updated.
2454 (defun gnus-make-score-map (type)
2455 "Make a summary score map of type TYPE."
2458 (let ((headers '(("author" "from" string)
2459 ("subject" "subject" string)
2460 ("article body" "body" string)
2461 ("article head" "head" string)
2462 ("xref" "xref" string)
2463 ("extra header" "extra" string)
2464 ("lines" "lines" number)
2465 ("followups to author" "followup" string)))
2466 (types '((number ("less than" <)
2469 (string ("substring" s)
2473 (perms '(("temporary" (current-time-string))
2481 (if (eq type 'lower)
2486 (setq header (car headers))
2492 (let ((ts (cdr (assoc (nth 2 header) types)))
2508 'gnus-summary-score-entry
2510 (if (or (string= (nth 1 header)
2512 (string= (nth 1 header)
2515 (list 'gnus-summary-header
2517 (list 'quote (nth 1 (car ts)))
2518 (list 'gnus-score-delta-default
2525 (list (nreverse outp))))
2528 (list (nreverse outt))))
2530 (setq headers (cdr headers)))
2531 (list (nreverse outh))))))))
2535 (defun gnus-summary-mode (&optional group)
2536 "Major mode for reading articles.
2538 All normal editing commands are switched off.
2539 \\<gnus-summary-mode-map>
2540 Each line in this buffer represents one article. To read an
2541 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
2542 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
2545 You can also post articles and send mail from this buffer. To
2546 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
2547 of an article, type `\\[gnus-summary-reply]'.
2549 There are approx. one gazillion commands you can execute in this
2550 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
2552 The following commands are available:
2554 \\{gnus-summary-mode-map}"
2556 (kill-all-local-variables)
2557 (when (gnus-visual-p 'summary-menu 'menu)
2558 (gnus-summary-make-menu-bar)
2559 (gnus-summary-make-tool-bar))
2560 (gnus-summary-make-local-variables)
2561 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
2562 (gnus-summary-make-local-variables))
2563 (gnus-make-thread-indent-array)
2564 (gnus-simplify-mode-line)
2565 (setq major-mode 'gnus-summary-mode)
2566 (setq mode-name "Summary")
2567 (make-local-variable 'minor-mode-alist)
2568 (use-local-map gnus-summary-mode-map)
2569 (buffer-disable-undo)
2570 (setq buffer-read-only t) ;Disable modification
2571 (setq truncate-lines t)
2572 (setq selective-display t)
2573 (setq selective-display-ellipses t) ;Display `...'
2574 (gnus-summary-set-display-table)
2575 (gnus-set-default-directory)
2576 (setq gnus-newsgroup-name group)
2577 (make-local-variable 'gnus-summary-line-format)
2578 (make-local-variable 'gnus-summary-line-format-spec)
2579 (make-local-variable 'gnus-summary-dummy-line-format)
2580 (make-local-variable 'gnus-summary-dummy-line-format-spec)
2581 (make-local-variable 'gnus-summary-mark-positions)
2582 (make-local-hook 'pre-command-hook)
2583 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
2584 (gnus-run-hooks 'gnus-summary-mode-hook)
2585 (turn-on-gnus-mailing-list-mode)
2586 (mm-enable-multibyte)
2587 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
2588 (gnus-update-summary-mark-positions))
2590 (defun gnus-summary-make-local-variables ()
2591 "Make all the local summary buffer variables."
2593 (dolist (local gnus-summary-local-variables)
2596 (if (eq (cdr local) 'global)
2597 ;; Copy the global value of the variable.
2598 (setq global (symbol-value (car local)))
2599 ;; Use the value from the list.
2600 (setq global (eval (cdr local))))
2601 (set (make-local-variable (car local)) global))
2602 ;; Simple nil-valued local variable.
2603 (set (make-local-variable local) nil)))))
2605 (defun gnus-summary-clear-local-variables ()
2606 (let ((locals gnus-summary-local-variables))
2608 (if (consp (car locals))
2609 (and (vectorp (caar locals))
2610 (set (caar locals) nil))
2611 (and (vectorp (car locals))
2612 (set (car locals) nil)))
2613 (setq locals (cdr locals)))))
2615 ;; Summary data functions.
2617 (defmacro gnus-data-number (data)
2620 (defmacro gnus-data-set-number (data number)
2621 `(setcar ,data ,number))
2623 (defmacro gnus-data-mark (data)
2626 (defmacro gnus-data-set-mark (data mark)
2627 `(setcar (nthcdr 1 ,data) ,mark))
2629 (defmacro gnus-data-pos (data)
2632 (defmacro gnus-data-set-pos (data pos)
2633 `(setcar (nthcdr 2 ,data) ,pos))
2635 (defmacro gnus-data-header (data)
2638 (defmacro gnus-data-set-header (data header)
2639 `(setf (nth 3 ,data) ,header))
2641 (defmacro gnus-data-level (data)
2644 (defmacro gnus-data-unread-p (data)
2645 `(= (nth 1 ,data) gnus-unread-mark))
2647 (defmacro gnus-data-read-p (data)
2648 `(/= (nth 1 ,data) gnus-unread-mark))
2650 (defmacro gnus-data-pseudo-p (data)
2651 `(consp (nth 3 ,data)))
2653 (defmacro gnus-data-find (number)
2654 `(assq ,number gnus-newsgroup-data))
2656 (defmacro gnus-data-find-list (number &optional data)
2657 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
2658 (memq (assq ,number bdata)
2661 (defmacro gnus-data-make (number mark pos header level)
2662 `(list ,number ,mark ,pos ,header ,level))
2664 (defun gnus-data-enter (after-article number mark pos header level offset)
2665 (let ((data (gnus-data-find-list after-article)))
2667 (error "No such article: %d" after-article))
2668 (setcdr data (cons (gnus-data-make number mark pos header level)
2670 (setq gnus-newsgroup-data-reverse nil)
2671 (gnus-data-update-list (cddr data) offset)))
2673 (defun gnus-data-enter-list (after-article list &optional offset)
2675 (let ((data (and after-article (gnus-data-find-list after-article)))
2679 (let ((odata gnus-newsgroup-data))
2680 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
2682 (gnus-data-update-list odata offset)))
2683 ;; Find the last element in the list to be spliced into the main
2686 (setq list (cdr list)))
2689 (setcdr list gnus-newsgroup-data)
2690 (setq gnus-newsgroup-data ilist)
2692 (gnus-data-update-list (cdr list) offset)))
2693 (setcdr list (cdr data))
2696 (gnus-data-update-list (cdr list) offset))))
2697 (setq gnus-newsgroup-data-reverse nil))))
2699 (defun gnus-data-remove (article &optional offset)
2700 (let ((data gnus-newsgroup-data))
2701 (if (= (gnus-data-number (car data)) article)
2703 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
2704 gnus-newsgroup-data-reverse nil)
2706 (gnus-data-update-list gnus-newsgroup-data offset)))
2708 (when (= (gnus-data-number (cadr data)) article)
2709 (setcdr data (cddr data))
2711 (gnus-data-update-list (cdr data) offset))
2713 gnus-newsgroup-data-reverse nil))
2714 (setq data (cdr data))))))
2716 (defmacro gnus-data-list (backward)
2718 (or gnus-newsgroup-data-reverse
2719 (setq gnus-newsgroup-data-reverse
2720 (reverse gnus-newsgroup-data)))
2721 gnus-newsgroup-data))
2723 (defun gnus-data-update-list (data offset)
2724 "Add OFFSET to the POS of all data entries in DATA."
2725 (setq gnus-newsgroup-data-reverse nil)
2727 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
2728 (setq data (cdr data))))
2730 (defun gnus-summary-article-pseudo-p (article)
2731 "Say whether this article is a pseudo article or not."
2732 (not (vectorp (gnus-data-header (gnus-data-find article)))))
2734 (defmacro gnus-summary-article-sparse-p (article)
2735 "Say whether this article is a sparse article or not."
2736 `(memq ,article gnus-newsgroup-sparse))
2738 (defmacro gnus-summary-article-ancient-p (article)
2739 "Say whether this article is a sparse article or not."
2740 `(memq ,article gnus-newsgroup-ancient))
2742 (defun gnus-article-parent-p (number)
2743 "Say whether this article is a parent or not."
2744 (let ((data (gnus-data-find-list number)))
2745 (and (cdr data) ; There has to be an article after...
2746 (< (gnus-data-level (car data)) ; And it has to have a higher level.
2747 (gnus-data-level (nth 1 data))))))
2749 (defun gnus-article-children (number)
2750 "Return a list of all children to NUMBER."
2751 (let* ((data (gnus-data-find-list number))
2752 (level (gnus-data-level (car data)))
2754 (setq data (cdr data))
2756 (= (gnus-data-level (car data)) (1+ level)))
2757 (push (gnus-data-number (car data)) children)
2758 (setq data (cdr data)))
2761 (defmacro gnus-summary-skip-intangible ()
2762 "If the current article is intangible, then jump to a different article."
2763 '(let ((to (get-text-property (point) 'gnus-intangible)))
2764 (and to (gnus-summary-goto-subject to))))
2766 (defmacro gnus-summary-article-intangible-p ()
2767 "Say whether this article is intangible or not."
2768 '(get-text-property (point) 'gnus-intangible))
2770 (defun gnus-article-read-p (article)
2771 "Say whether ARTICLE is read or not."
2772 (not (or (memq article gnus-newsgroup-marked)
2773 (memq article gnus-newsgroup-spam-marked)
2774 (memq article gnus-newsgroup-unreads)
2775 (memq article gnus-newsgroup-unselected)
2776 (memq article gnus-newsgroup-dormant))))
2778 ;; Some summary mode macros.
2780 (defmacro gnus-summary-article-number ()
2781 "The article number of the article on the current line.
2782 If there isn't an article number here, then we return the current
2785 (gnus-summary-skip-intangible)
2786 (or (get-text-property (point) 'gnus-number)
2787 (gnus-summary-last-subject))))
2789 (defmacro gnus-summary-article-header (&optional number)
2790 "Return the header of article NUMBER."
2791 `(gnus-data-header (gnus-data-find
2792 ,(or number '(gnus-summary-article-number)))))
2794 (defmacro gnus-summary-thread-level (&optional number)
2795 "Return the level of thread that starts with article NUMBER."
2796 `(if (and (eq gnus-summary-make-false-root 'dummy)
2797 (get-text-property (point) 'gnus-intangible))
2799 (gnus-data-level (gnus-data-find
2800 ,(or number '(gnus-summary-article-number))))))
2802 (defmacro gnus-summary-article-mark (&optional number)
2803 "Return the mark of article NUMBER."
2804 `(gnus-data-mark (gnus-data-find
2805 ,(or number '(gnus-summary-article-number)))))
2807 (defmacro gnus-summary-article-pos (&optional number)
2808 "Return the position of the line of article NUMBER."
2809 `(gnus-data-pos (gnus-data-find
2810 ,(or number '(gnus-summary-article-number)))))
2812 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
2813 (defmacro gnus-summary-article-subject (&optional number)
2814 "Return current subject string or nil if nothing."
2817 `(gnus-data-header (assq ,number gnus-newsgroup-data))
2818 '(gnus-data-header (assq (gnus-summary-article-number)
2819 gnus-newsgroup-data)))))
2822 (mail-header-subject headers))))
2824 (defmacro gnus-summary-article-score (&optional number)
2825 "Return current article score."
2826 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
2827 gnus-newsgroup-scored))
2828 gnus-summary-default-score 0))
2830 (defun gnus-summary-article-children (&optional number)
2831 "Return a list of article numbers that are children of article NUMBER."
2832 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
2833 (level (gnus-data-level (car data)))
2835 (while (and (setq data (cdr data))
2836 (> (setq l (gnus-data-level (car data))) level))
2837 (and (= (1+ level) l)
2838 (push (gnus-data-number (car data))
2840 (nreverse children)))
2842 (defun gnus-summary-article-parent (&optional number)
2843 "Return the article number of the parent of article NUMBER."
2844 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
2845 (gnus-data-list t)))
2846 (level (gnus-data-level (car data))))
2848 () ; This is a root.
2849 ;; We search until we find an article with a level less than
2850 ;; this one. That function has to be the parent.
2851 (while (and (setq data (cdr data))
2852 (not (< (gnus-data-level (car data)) level))))
2853 (and data (gnus-data-number (car data))))))
2855 (defun gnus-unread-mark-p (mark)
2856 "Say whether MARK is the unread mark."
2857 (= mark gnus-unread-mark))
2859 (defun gnus-read-mark-p (mark)
2860 "Say whether MARK is one of the marks that mark as read.
2861 This is all marks except unread, ticked, dormant, and expirable."
2862 (not (or (= mark gnus-unread-mark)
2863 (= mark gnus-ticked-mark)
2864 (= mark gnus-spam-mark)
2865 (= mark gnus-dormant-mark)
2866 (= mark gnus-expirable-mark))))
2868 (defmacro gnus-article-mark (number)
2869 "Return the MARK of article NUMBER.
2870 This macro should only be used when computing the mark the \"first\"
2871 time; i.e., when generating the summary lines. After that,
2872 `gnus-summary-article-mark' should be used to examine the
2875 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
2876 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
2877 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
2878 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
2879 ((memq ,number gnus-newsgroup-spam-marked) gnus-spam-mark)
2880 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
2881 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
2882 (t (or (cdr (assq ,number gnus-newsgroup-reads))
2883 gnus-ancient-mark))))
2885 ;; Saving hidden threads.
2887 (defmacro gnus-save-hidden-threads (&rest forms)
2888 "Save hidden threads, eval FORMS, and restore the hidden threads."
2889 (let ((config (make-symbol "config")))
2890 `(let ((,config (gnus-hidden-threads-configuration)))
2894 (gnus-restore-hidden-threads-configuration ,config)))))
2895 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
2896 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
2898 (defun gnus-data-compute-positions ()
2899 "Compute the positions of all articles."
2900 (setq gnus-newsgroup-data-reverse nil)
2901 (let ((data gnus-newsgroup-data))
2903 (gnus-save-hidden-threads
2904 (gnus-summary-show-all-threads)
2905 (goto-char (point-min))
2907 (while (get-text-property (point) 'gnus-intangible)
2909 (gnus-data-set-pos (car data) (+ (point) 3))
2910 (setq data (cdr data))
2911 (forward-line 1))))))
2913 (defun gnus-hidden-threads-configuration ()
2914 "Return the current hidden threads configuration."
2917 (goto-char (point-min))
2918 (while (search-forward "\r" nil t)
2919 (push (1- (point)) config))
2922 (defun gnus-restore-hidden-threads-configuration (config)
2923 "Restore hidden threads configuration from CONFIG."
2925 (let (point buffer-read-only)
2926 (while (setq point (pop config))
2927 (when (and (< point (point-max))
2929 (eq (char-after) ?\n))
2930 (subst-char-in-region point (1+ point) ?\n ?\r))))))
2932 ;; Various summary mode internalish functions.
2934 (defun gnus-mouse-pick-article (e)
2937 (gnus-summary-next-page nil t))
2939 (defun gnus-summary-set-display-table ()
2940 "Change the display table.
2941 Odd characters have a tendency to mess
2942 up nicely formatted displays - we make all possible glyphs
2943 display only a single character."
2945 ;; We start from the standard display table, if any.
2946 (let ((table (or (copy-sequence standard-display-table)
2947 (make-display-table)))
2949 ;; Nix out all the control chars...
2950 (while (>= (setq i (1- i)) 0)
2951 (aset table i [??]))
2952 ;; ... but not newline and cr, of course. (cr is necessary for the
2953 ;; selective display).
2954 (aset table ?\n nil)
2955 (aset table ?\r nil)
2956 ;; We keep TAB as well.
2957 (aset table ?\t nil)
2958 ;; We nix out any glyphs over 126 that are not set already.
2960 (while (>= (setq i (1- i)) 127)
2961 ;; Only modify if the entry is nil.
2962 (unless (aref table i)
2963 (aset table i [??]))))
2964 (setq buffer-display-table table)))
2966 (defun gnus-summary-set-article-display-arrow (pos)
2967 "Update the overlay arrow to point to line at position POS."
2968 (when (and gnus-summary-display-arrow
2969 (boundp 'overlay-arrow-position)
2970 (boundp 'overlay-arrow-string))
2974 (unless overlay-arrow-position
2975 (setq overlay-arrow-position (make-marker)))
2976 (setq overlay-arrow-string "=>"
2977 overlay-arrow-position (set-marker overlay-arrow-position
2979 (current-buffer))))))
2981 (defun gnus-summary-buffer-name (group)
2982 "Return the summary buffer name of GROUP."
2983 (concat "*Summary " (gnus-group-decoded-name group) "*"))
2985 (defun gnus-summary-setup-buffer (group)
2986 "Initialize summary buffer."
2987 (let ((buffer (gnus-summary-buffer-name group))
2988 (dead-name (concat "*Dead Summary "
2989 (gnus-group-decoded-name group) "*")))
2990 ;; If a dead summary buffer exists, we kill it.
2991 (when (gnus-buffer-live-p dead-name)
2992 (gnus-kill-buffer dead-name))
2993 (if (get-buffer buffer)
2996 (setq gnus-summary-buffer (current-buffer))
2997 (not gnus-newsgroup-prepared))
2998 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
2999 (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
3000 (gnus-summary-mode group)
3002 (gnus-carpal-setup-buffer 'summary))
3003 (unless gnus-single-article-buffer
3004 (make-local-variable 'gnus-article-buffer)
3005 (make-local-variable 'gnus-article-current)
3006 (make-local-variable 'gnus-original-article-buffer))
3007 (setq gnus-newsgroup-name group)
3008 ;; Set any local variables in the group parameters.
3009 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3012 (defun gnus-set-global-variables ()
3013 "Set the global equivalents of the buffer-local variables.
3014 They are set to the latest values they had. These reflect the summary
3015 buffer that was in action when the last article was fetched."
3016 (when (eq major-mode 'gnus-summary-mode)
3017 (setq gnus-summary-buffer (current-buffer))
3018 (let ((name gnus-newsgroup-name)
3019 (marked gnus-newsgroup-marked)
3020 (spam gnus-newsgroup-spam-marked)
3021 (unread gnus-newsgroup-unreads)
3022 (headers gnus-current-headers)
3023 (data gnus-newsgroup-data)
3024 (summary gnus-summary-buffer)
3025 (article-buffer gnus-article-buffer)
3026 (original gnus-original-article-buffer)
3027 (gac gnus-article-current)
3028 (reffed gnus-reffed-article-number)
3029 (score-file gnus-current-score-file)
3030 (default-charset gnus-newsgroup-charset)
3032 (let ((locals gnus-newsgroup-variables))
3034 (if (consp (car locals))
3035 (push (eval (caar locals)) vlist)
3036 (push (eval (car locals)) vlist))
3037 (setq locals (cdr locals)))
3038 (setq vlist (nreverse vlist)))
3040 (set-buffer gnus-group-buffer)
3041 (setq gnus-newsgroup-name name
3042 gnus-newsgroup-marked marked
3043 gnus-newsgroup-spam-marked spam
3044 gnus-newsgroup-unreads unread
3045 gnus-current-headers headers
3046 gnus-newsgroup-data data
3047 gnus-article-current gac
3048 gnus-summary-buffer summary
3049 gnus-article-buffer article-buffer
3050 gnus-original-article-buffer original
3051 gnus-reffed-article-number reffed
3052 gnus-current-score-file score-file
3053 gnus-newsgroup-charset default-charset)
3054 (let ((locals gnus-newsgroup-variables))
3056 (if (consp (car locals))
3057 (set (caar locals) (pop vlist))
3058 (set (car locals) (pop vlist)))
3059 (setq locals (cdr locals))))
3060 ;; The article buffer also has local variables.
3061 (when (gnus-buffer-live-p gnus-article-buffer)
3062 (set-buffer gnus-article-buffer)
3063 (setq gnus-summary-buffer summary))))))
3065 (defun gnus-summary-article-unread-p (article)
3066 "Say whether ARTICLE is unread or not."
3067 (memq article gnus-newsgroup-unreads))
3069 (defun gnus-summary-first-article-p (&optional article)
3070 "Return whether ARTICLE is the first article in the buffer."
3071 (if (not (setq article (or article (gnus-summary-article-number))))
3073 (eq article (caar gnus-newsgroup-data))))
3075 (defun gnus-summary-last-article-p (&optional article)
3076 "Return whether ARTICLE is the last article in the buffer."
3077 (if (not (setq article (or article (gnus-summary-article-number))))
3078 ;; All non-existent numbers are the last article. :-)
3080 (not (cdr (gnus-data-find-list article)))))
3082 (defun gnus-make-thread-indent-array ()
3084 (unless (and gnus-thread-indent-array
3085 (= gnus-thread-indent-level gnus-thread-indent-array-level))
3086 (setq gnus-thread-indent-array (make-vector 201 "")
3087 gnus-thread-indent-array-level gnus-thread-indent-level)
3089 (aset gnus-thread-indent-array n
3090 (make-string (* n gnus-thread-indent-level) ? ))
3093 (defun gnus-update-summary-mark-positions ()
3094 "Compute where the summary marks are to go."
3096 (when (gnus-buffer-exists-p gnus-summary-buffer)
3097 (set-buffer gnus-summary-buffer))
3098 (let ((gnus-replied-mark 129)
3099 (gnus-score-below-mark 130)
3100 (gnus-score-over-mark 130)
3101 (gnus-undownloaded-mark 131)
3102 (spec gnus-summary-line-format-spec)
3105 (gnus-set-work-buffer)
3106 (let ((gnus-summary-line-format-spec spec)
3107 (gnus-newsgroup-downloadable '(0)))
3108 (gnus-summary-insert-line
3109 [0 "" "" "05 Apr 2001 23:33:09 +0400" "" "" 0 0 "" nil]
3110 0 nil t 128 t nil "" nil 1)
3111 (goto-char (point-min))
3112 (setq pos (list (cons 'unread (and (search-forward "\200" nil t)
3113 (- (point) (point-min) 1)))))
3114 (goto-char (point-min))
3115 (push (cons 'replied (and (search-forward "\201" nil t)
3116 (- (point) (point-min) 1)))
3118 (goto-char (point-min))
3119 (push (cons 'score (and (search-forward "\202" nil t)
3120 (- (point) (point-min) 1)))
3122 (goto-char (point-min))
3123 (push (cons 'download
3124 (and (search-forward "\203" nil t)
3125 (- (point) (point-min) 1)))
3127 (setq gnus-summary-mark-positions pos))))
3129 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
3130 "Insert a dummy root in the summary buffer."
3132 (gnus-add-text-properties
3133 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
3134 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
3136 (defun gnus-summary-extract-address-component (from)
3137 (or (car (funcall gnus-extract-address-components from))
3140 (defun gnus-summary-from-or-to-or-newsgroups (header gnus-tmp-from)
3141 (let ((mail-parse-charset gnus-newsgroup-charset)
3142 ; Is it really necessary to do this next part for each summary line?
3143 ; Luckily, doesn't seem to slow things down much.
3144 (mail-parse-ignored-charsets
3145 (save-excursion (set-buffer gnus-summary-buffer)
3146 gnus-newsgroup-ignored-charsets)))
3148 (and gnus-ignored-from-addresses
3149 (string-match gnus-ignored-from-addresses gnus-tmp-from)
3150 (let ((extra-headers (mail-header-extra header))
3154 ((setq to (cdr (assq 'To extra-headers)))
3157 (gnus-summary-extract-address-component
3158 (funcall gnus-decode-encoded-word-function to)))))
3159 ((setq newsgroups (cdr (assq 'Newsgroups extra-headers)))
3160 (concat "=> " newsgroups)))))
3161 (inline (gnus-summary-extract-address-component gnus-tmp-from)))))
3163 (defun gnus-summary-insert-line (gnus-tmp-header
3164 gnus-tmp-level gnus-tmp-current
3165 undownloaded gnus-tmp-unread gnus-tmp-replied
3166 gnus-tmp-expirable gnus-tmp-subject-or-nil
3167 &optional gnus-tmp-dummy gnus-tmp-score
3169 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
3170 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
3171 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
3172 (gnus-tmp-score-char
3173 (if (or (null gnus-summary-default-score)
3174 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3175 gnus-summary-zcore-fuzz))
3177 (if (< gnus-tmp-score gnus-summary-default-score)
3178 gnus-score-below-mark gnus-score-over-mark)))
3179 (gnus-tmp-number (mail-header-number gnus-tmp-header))
3181 (cond (gnus-tmp-process gnus-process-mark)
3182 ((memq gnus-tmp-current gnus-newsgroup-cached)
3184 (gnus-tmp-replied gnus-replied-mark)
3185 ((memq gnus-tmp-current gnus-newsgroup-forwarded)
3186 gnus-forwarded-mark)
3187 ((memq gnus-tmp-current gnus-newsgroup-saved)
3189 ((memq gnus-tmp-number gnus-newsgroup-recent)
3191 ((memq gnus-tmp-number gnus-newsgroup-unseen)
3194 (gnus-tmp-downloaded
3196 gnus-undownloaded-mark)
3197 (gnus-newsgroup-agentized
3198 gnus-downloaded-mark)
3201 (gnus-tmp-from (mail-header-from gnus-tmp-header))
3204 ((string-match "<[^>]+> *$" gnus-tmp-from)
3205 (let ((beg (match-beginning 0)))
3206 (or (and (string-match "^\".+\"" gnus-tmp-from)
3207 (substring gnus-tmp-from 1 (1- (match-end 0))))
3208 (substring gnus-tmp-from 0 beg))))
3209 ((string-match "(.+)" gnus-tmp-from)
3210 (substring gnus-tmp-from
3211 (1+ (match-beginning 0)) (1- (match-end 0))))
3213 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
3214 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
3215 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
3216 (buffer-read-only nil))
3217 (when (string= gnus-tmp-name "")
3218 (setq gnus-tmp-name gnus-tmp-from))
3219 (unless (numberp gnus-tmp-lines)
3220 (setq gnus-tmp-lines -1))
3221 (if (= gnus-tmp-lines -1)
3222 (setq gnus-tmp-lines "?")
3223 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
3224 (gnus-put-text-property
3226 (progn (eval gnus-summary-line-format-spec) (point))
3227 'gnus-number gnus-tmp-number)
3228 (when (gnus-visual-p 'summary-highlight 'highlight)
3230 (gnus-run-hooks 'gnus-summary-update-hook)
3233 (defun gnus-summary-update-line (&optional dont-update)
3234 "Update summary line after change."
3235 (when (and gnus-summary-default-score
3236 (not gnus-summary-inhibit-highlight))
3237 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
3238 (article (gnus-summary-article-number))
3239 (score (gnus-summary-article-score article)))
3241 (if (and gnus-summary-mark-below
3242 (< (gnus-summary-article-score)
3243 gnus-summary-mark-below))
3244 ;; This article has a low score, so we mark it as read.
3245 (when (memq article gnus-newsgroup-unreads)
3246 (gnus-summary-mark-article-as-read gnus-low-score-mark))
3247 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
3248 ;; This article was previously marked as read on account
3249 ;; of a low score, but now it has risen, so we mark it as
3251 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
3252 (gnus-summary-update-mark
3253 (if (or (null gnus-summary-default-score)
3254 (<= (abs (- score gnus-summary-default-score))
3255 gnus-summary-zcore-fuzz))
3257 (if (< score gnus-summary-default-score)
3258 gnus-score-below-mark gnus-score-over-mark))
3260 ;; Do visual highlighting.
3261 (when (gnus-visual-p 'summary-highlight 'highlight)
3262 (gnus-run-hooks 'gnus-summary-update-hook)))))
3264 (defvar gnus-tmp-new-adopts nil)
3266 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
3267 "Return the number of articles in THREAD.
3268 This may be 0 in some cases -- if none of the articles in
3269 the thread are to be displayed."
3271 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
3273 ((not (listp thread))
3275 ((and (consp thread) (cdr thread))
3278 'gnus-summary-number-of-articles-in-thread (cdr thread))))
3281 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
3284 (when (and level (zerop level) gnus-tmp-new-adopts)
3287 'gnus-summary-number-of-articles-in-thread
3288 gnus-tmp-new-adopts))))
3290 (if (> number 1) gnus-not-empty-thread-mark
3291 gnus-empty-thread-mark)
3294 (defsubst gnus-summary-line-message-size (head)
3295 "Return pretty-printed version of message size.
3296 This function is intended to be used in
3297 `gnus-summary-line-format-alist', which see."
3298 (let ((c (or (mail-header-chars head) -1)))
3299 (cond ((< c 0) "n/a") ; chars not available
3300 ((< c (* 1000 10)) (format "%1.1fk" (/ c 1024.0)))
3301 ((< c (* 1000 100)) (format "%dk" (/ c 1024.0)))
3302 ((< c (* 1000 10000)) (format "%1.1fM" (/ c (* 1024.0 1024))))
3303 (t (format "%dM" (/ c (* 1024.0 1024)))))))
3306 (defun gnus-summary-set-local-parameters (group)
3307 "Go through the local params of GROUP and set all variable specs in that list."
3308 (let ((params (gnus-group-find-parameter group))
3309 (vars '(quit-config)) ; Ignore quit-config.
3312 (setq elem (car params)
3313 params (cdr params))
3314 (and (consp elem) ; Has to be a cons.
3315 (consp (cdr elem)) ; The cdr has to be a list.
3316 (symbolp (car elem)) ; Has to be a symbol in there.
3317 (not (memq (car elem) vars))
3318 (ignore-errors ; So we set it.
3319 (push (car elem) vars)
3320 (make-local-variable (car elem))
3321 (set (car elem) (eval (nth 1 elem))))))))
3323 (defun gnus-summary-read-group (group &optional show-all no-article
3324 kill-buffer no-display backward
3326 "Start reading news in newsgroup GROUP.
3327 If SHOW-ALL is non-nil, already read articles are also listed.
3328 If NO-ARTICLE is non-nil, no article is selected initially.
3329 If NO-DISPLAY, don't generate a summary buffer."
3333 (let ((gnus-auto-select-next nil))
3334 (or (gnus-summary-read-group-1
3335 group show-all no-article
3336 kill-buffer no-display
3339 select-articles nil)))))
3340 (eq gnus-auto-select-next 'quietly))
3341 (set-buffer gnus-group-buffer)
3342 ;; The entry function called above goes to the next
3343 ;; group automatically, so we go two groups back
3344 ;; if we are searching for the previous group.
3346 (gnus-group-prev-unread-group 2))
3347 (if (not (equal group (gnus-group-group-name)))
3348 (setq group (gnus-group-group-name))
3352 (defun gnus-summary-read-group-1 (group show-all no-article
3353 kill-buffer no-display
3354 &optional select-articles)
3355 ;; Killed foreign groups can't be entered.
3356 ;; (when (and (not (gnus-group-native-p group))
3357 ;; (not (gnus-gethash group gnus-newsrc-hashtb)))
3358 ;; (error "Dead non-native groups can't be entered"))
3359 (gnus-message 5 "Retrieving newsgroup: %s..."
3360 (gnus-group-decoded-name group))
3361 (let* ((new-group (gnus-summary-setup-buffer group))
3362 (quit-config (gnus-group-quit-config group))
3363 (did-select (and new-group (gnus-select-newsgroup
3364 group show-all select-articles))))
3366 ;; This summary buffer exists already, so we just select it.
3368 (gnus-set-global-variables)
3370 (gnus-kill-or-deaden-summary kill-buffer))
3371 (gnus-configure-windows 'summary 'force)
3372 (gnus-set-mode-line 'summary)
3373 (gnus-summary-position-point)
3376 ;; We couldn't select this group.
3378 (when (and (eq major-mode 'gnus-summary-mode)
3379 (not (equal (current-buffer) kill-buffer)))
3380 (kill-buffer (current-buffer))
3381 (if (not quit-config)
3383 ;; Update the info -- marks might need to be removed,
3385 (gnus-summary-update-info)
3386 (set-buffer gnus-group-buffer)
3387 (gnus-group-jump-to-group group)
3388 (gnus-group-next-unread-group 1))
3389 (gnus-handle-ephemeral-exit quit-config)))
3390 (let ((grpinfo (gnus-get-info group)))
3391 (if (null (gnus-info-read grpinfo))
3392 (gnus-message 3 "Group %s contains no messages"
3393 (gnus-group-decoded-name group))
3394 (gnus-message 3 "Can't select group")))
3396 ;; The user did a `C-g' while prompting for number of articles,
3397 ;; so we exit this group.
3398 ((eq did-select 'quit)
3399 (and (eq major-mode 'gnus-summary-mode)
3400 (not (equal (current-buffer) kill-buffer))
3401 (kill-buffer (current-buffer)))
3403 (gnus-kill-or-deaden-summary kill-buffer))
3404 (if (not quit-config)
3406 (set-buffer gnus-group-buffer)
3407 (gnus-group-jump-to-group group)
3408 (gnus-group-next-unread-group 1)
3409 (gnus-configure-windows 'group 'force))
3410 (gnus-handle-ephemeral-exit quit-config))
3411 ;; Finally signal the quit.
3413 ;; The group was successfully selected.
3415 (gnus-set-global-variables)
3416 ;; Save the active value in effect when the group was entered.
3417 (setq gnus-newsgroup-active
3419 (gnus-active gnus-newsgroup-name)))
3420 ;; You can change the summary buffer in some way with this hook.
3421 (gnus-run-hooks 'gnus-select-group-hook)
3422 (gnus-update-format-specifications
3423 nil 'summary 'summary-mode 'summary-dummy)
3424 (gnus-update-summary-mark-positions)
3425 ;; Do score processing.
3426 (when gnus-use-scoring
3427 (gnus-possibly-score-headers))
3428 ;; Check whether to fill in the gaps in the threads.
3429 (when gnus-build-sparse-threads
3430 (gnus-build-sparse-threads))
3431 ;; Find the initial limit.
3432 (if gnus-show-threads
3434 (let ((gnus-newsgroup-dormant nil))
3435 (gnus-summary-initial-limit show-all))
3436 (gnus-summary-initial-limit show-all))
3437 ;; When unthreaded, all articles are always shown.
3438 (setq gnus-newsgroup-limit
3440 (lambda (header) (mail-header-number header))
3441 gnus-newsgroup-headers)))
3442 ;; Generate the summary buffer.
3444 (gnus-summary-prepare))
3445 (when gnus-use-trees
3446 (gnus-tree-open group)
3447 (setq gnus-summary-highlight-line-function
3448 'gnus-tree-highlight-article))
3449 ;; If the summary buffer is empty, but there are some low-scored
3450 ;; articles or some excluded dormants, we include these in the
3452 (when (and (zerop (buffer-size))
3454 (cond (gnus-newsgroup-dormant
3455 (gnus-summary-limit-include-dormant))
3456 ((and gnus-newsgroup-scored show-all)
3457 (gnus-summary-limit-include-expunged t))))
3458 ;; Function `gnus-apply-kill-file' must be called in this hook.
3459 (gnus-run-hooks 'gnus-apply-kill-hook)
3460 (if (and (zerop (buffer-size))
3463 ;; This newsgroup is empty.
3464 (gnus-summary-catchup-and-exit nil t)
3465 (gnus-message 6 "No unread news")
3467 (gnus-kill-or-deaden-summary kill-buffer))
3468 ;; Return nil from this function.
3470 ;; Hide conversation thread subtrees. We cannot do this in
3471 ;; gnus-summary-prepare-hook since kill processing may not
3472 ;; work with hidden articles.
3473 (gnus-summary-maybe-hide-threads)
3475 (gnus-kill-or-deaden-summary kill-buffer))
3476 (gnus-summary-auto-select-subject)
3477 ;; Show first unread article if requested.
3478 (if (and (not no-article)
3480 gnus-newsgroup-unreads
3481 gnus-auto-select-first)
3483 (gnus-configure-windows 'summary)
3484 (let ((art (gnus-summary-article-number)))
3485 (unless (and (not gnus-plugged)
3486 (or (memq art gnus-newsgroup-undownloaded)
3487 (memq art gnus-newsgroup-downloadable)))
3488 (gnus-summary-goto-article art))))
3489 ;; Don't select any articles.
3490 (gnus-summary-position-point)
3491 (gnus-configure-windows 'summary 'force)
3492 (gnus-set-mode-line 'summary))
3493 (when (get-buffer-window gnus-group-buffer t)
3494 ;; Gotta use windows, because recenter does weird stuff if
3495 ;; the current buffer ain't the displayed window.
3496 (let ((owin (selected-window)))
3497 (select-window (get-buffer-window gnus-group-buffer t))
3498 (when (gnus-group-goto-group group)
3500 (select-window owin)))
3501 ;; Mark this buffer as "prepared".
3502 (setq gnus-newsgroup-prepared t)
3503 (gnus-run-hooks 'gnus-summary-prepared-hook)
3504 (unless (gnus-ephemeral-group-p group)
3505 (gnus-group-update-group group))
3508 (defun gnus-summary-auto-select-subject ()
3509 "Select the subject line on initial group entry."
3510 (goto-char (point-min))
3512 ((eq gnus-auto-select-subject 'best)
3513 (gnus-summary-best-unread-subject))
3514 ((eq gnus-auto-select-subject 'unread)
3515 (gnus-summary-first-unread-subject))
3516 ((eq gnus-auto-select-subject 'unseen)
3517 (gnus-summary-first-unseen-subject))
3518 ((eq gnus-auto-select-subject 'unseen-or-unread)
3519 (gnus-summary-first-unseen-or-unread-subject))
3520 ((eq gnus-auto-select-subject 'first)
3523 ((gnus-functionp gnus-auto-select-subject)
3524 (funcall gnus-auto-select-subject))))
3526 (defun gnus-summary-prepare ()
3527 "Generate the summary buffer."
3529 (let ((buffer-read-only nil))
3531 (setq gnus-newsgroup-data nil
3532 gnus-newsgroup-data-reverse nil)
3533 (gnus-run-hooks 'gnus-summary-generate-hook)
3534 ;; Generate the buffer, either with threads or without.
3535 (when gnus-newsgroup-headers
3536 (gnus-summary-prepare-threads
3537 (if gnus-show-threads
3538 (gnus-sort-gathered-threads
3539 (funcall gnus-summary-thread-gathering-function
3541 (gnus-cut-threads (gnus-make-threads)))))
3542 ;; Unthreaded display.
3543 (gnus-sort-articles gnus-newsgroup-headers))))
3544 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
3545 ;; Call hooks for modifying summary buffer.
3546 (goto-char (point-min))
3547 (gnus-run-hooks 'gnus-summary-prepare-hook)))
3549 (defsubst gnus-general-simplify-subject (subject)
3550 "Simply subject by the same rules as gnus-gather-threads-by-subject."
3553 ;; Truncate the subject.
3554 (gnus-simplify-subject-functions
3555 (gnus-map-function gnus-simplify-subject-functions subject))
3556 ((numberp gnus-summary-gather-subject-limit)
3557 (setq subject (gnus-simplify-subject-re subject))
3558 (if (> (length subject) gnus-summary-gather-subject-limit)
3559 (substring subject 0 gnus-summary-gather-subject-limit)
3561 ;; Fuzzily simplify it.
3562 ((eq 'fuzzy gnus-summary-gather-subject-limit)
3563 (gnus-simplify-subject-fuzzy subject))
3564 ;; Just remove the leading "Re:".
3566 (gnus-simplify-subject-re subject))))
3568 (if (and gnus-summary-gather-exclude-subject
3569 (string-match gnus-summary-gather-exclude-subject subject))
3570 nil ; This article shouldn't be gathered
3573 (defun gnus-summary-simplify-subject-query ()
3574 "Query where the respool algorithm would put this article."
3576 (gnus-summary-select-article)
3577 (message (gnus-general-simplify-subject (gnus-summary-article-subject))))
3579 (defun gnus-gather-threads-by-subject (threads)
3580 "Gather threads by looking at Subject headers."
3581 (if (not gnus-summary-make-false-root)
3583 (let ((hashtb (gnus-make-hashtable 1024))
3586 subject hthread whole-subject)
3588 (setq subject (gnus-general-simplify-subject
3589 (setq whole-subject (mail-header-subject
3592 (if (setq hthread (gnus-gethash subject hashtb))
3594 ;; We enter a dummy root into the thread, if we
3595 ;; haven't done that already.
3596 (unless (stringp (caar hthread))
3597 (setcar hthread (list whole-subject (car hthread))))
3598 ;; We add this new gathered thread to this gathered
3600 (setcdr (car hthread)
3601 (nconc (cdar hthread) (list (car threads))))
3602 ;; Remove it from the list of threads.
3603 (setcdr prev (cdr threads))
3604 (setq threads prev))
3605 ;; Enter this thread into the hash table.
3606 (gnus-sethash subject
3607 (if gnus-summary-make-false-root-always
3609 ;; If you want a dummy root above all
3611 (setcar threads (list whole-subject
3617 (setq threads (cdr threads)))
3620 (defun gnus-gather-threads-by-references (threads)
3621 "Gather threads by looking at References headers."
3622 (let ((idhashtb (gnus-make-hashtable 1024))
3623 (thhashtb (gnus-make-hashtable 1024))
3626 ids references id gthread gid entered ref)
3628 (when (setq references (mail-header-references (caar threads)))
3629 (setq id (mail-header-id (caar threads))
3630 ids (inline (gnus-split-references references))
3632 (while (setq ref (pop ids))
3633 (setq ids (delete ref ids))
3634 (if (not (setq gid (gnus-gethash ref idhashtb)))
3636 (gnus-sethash ref id idhashtb)
3637 (gnus-sethash id threads thhashtb))
3638 (setq gthread (gnus-gethash gid thhashtb))
3640 ;; We enter a dummy root into the thread, if we
3641 ;; haven't done that already.
3642 (unless (stringp (caar gthread))
3643 (setcar gthread (list (mail-header-subject (caar gthread))
3645 ;; We add this new gathered thread to this gathered
3647 (setcdr (car gthread)
3648 (nconc (cdar gthread) (list (car threads)))))
3649 ;; Add it into the thread hash table.
3650 (gnus-sethash id gthread thhashtb)
3652 ;; Remove it from the list of threads.
3653 (setcdr prev (cdr threads))
3654 (setq threads prev))))
3656 (setq threads (cdr threads)))
3659 (defun gnus-sort-gathered-threads (threads)
3660 "Sort subtreads inside each gathered thread by `gnus-sort-gathered-threads-function'."
3661 (let ((result threads))
3663 (when (stringp (caar threads))
3664 (setcdr (car threads)
3665 (sort (cdar threads) gnus-sort-gathered-threads-function)))
3666 (setq threads (cdr threads)))
3669 (defun gnus-thread-loop-p (root thread)
3670 "Say whether ROOT is in THREAD."
3671 (let ((stack (list thread))
3674 (while (setq thread (pop stack))
3675 (setq th (cdr thread))
3677 (not (eq (caar th) root)))
3680 ;; We have found a loop.
3682 (setcdr thread (delq (car th) (cdr thread)))
3683 (if (boundp (setq ref-dep (intern "none"
3684 gnus-newsgroup-dependencies)))
3685 (setcdr (symbol-value ref-dep)
3686 (nconc (cdr (symbol-value ref-dep))
3688 (set ref-dep (list nil (car th))))
3691 ;; Push all the subthreads onto the stack.
3692 (push (cdr thread) stack)))
3695 (defun gnus-make-threads ()
3696 "Go through the dependency hashtb and find the roots. Return all threads."
3698 (while (catch 'infloop
3701 ;; Deal with self-referencing References loops.
3702 (when (and (car (symbol-value refs))
3709 (car (symbol-value refs)) thread))
3710 (cdr (symbol-value refs)))))))
3713 (unless (car (symbol-value refs))
3714 ;; These threads do not refer back to any other
3715 ;; articles, so they're roots.
3716 (setq threads (append (cdr (symbol-value refs)) threads))))
3717 gnus-newsgroup-dependencies)))
3720 ;; Build the thread tree.
3721 (defsubst gnus-dependencies-add-header (header dependencies force-new)
3722 "Enter HEADER into the DEPENDENCIES table if it is not already there.
3724 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
3725 if it was already present.
3727 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
3728 will not be entered in the DEPENDENCIES table. Otherwise duplicate
3729 Message-IDs will be renamed to a unique Message-ID before being
3732 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
3733 (let* ((id (mail-header-id header))
3734 (id-dep (and id (intern id dependencies)))
3735 parent-id ref ref-dep ref-header replaced)
3736 ;; Enter this `header' in the `dependencies' table.
3740 ;; The first two cases do the normal part: enter a new `header'
3741 ;; in the `dependencies' table.
3742 ((not (boundp id-dep))
3743 (set id-dep (list header)))
3744 ((null (car (symbol-value id-dep)))
3745 (setcar (symbol-value id-dep) header))
3747 ;; From here the `header' was already present in the
3748 ;; `dependencies' table.
3750 ;; Overrides an existing entry;
3751 ;; just set the header part of the entry.
3752 (setcar (symbol-value id-dep) header)
3755 ;; Renames the existing `header' to a unique Message-ID.
3756 ((not gnus-summary-ignore-duplicates)
3757 ;; An article with this Message-ID has already been seen.
3758 ;; We rename the Message-ID.
3759 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
3761 (mail-header-set-id header id))
3763 ;; The last case ignores an existing entry, except it adds any
3764 ;; additional Xrefs (in case the two articles came from different
3766 ;; Also sets `header' to `nil' meaning that the `dependencies'
3767 ;; table was *not* modified.
3769 (mail-header-set-xref
3770 (car (symbol-value id-dep))
3771 (concat (or (mail-header-xref (car (symbol-value id-dep)))
3773 (or (mail-header-xref header) "")))
3776 (when (and header (not replaced))
3777 ;; First check that we are not creating a References loop.
3778 (setq parent-id (gnus-parent-id (mail-header-references header)))
3779 (setq ref parent-id)
3781 (setq ref-dep (intern-soft ref dependencies))
3783 (setq ref-header (car (symbol-value ref-dep))))
3784 (if (string= id ref)
3785 ;; Yuk! This is a reference loop. Make the article be a
3788 (mail-header-set-references (car (symbol-value id-dep)) "none")
3790 (setq parent-id nil))
3791 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
3792 (setq ref-dep (intern (or parent-id "none") dependencies))
3793 (if (boundp ref-dep)
3794 (setcdr (symbol-value ref-dep)
3795 (nconc (cdr (symbol-value ref-dep))
3796 (list (symbol-value id-dep))))
3797 (set ref-dep (list nil (symbol-value id-dep)))))
3800 (defun gnus-extract-message-id-from-in-reply-to (string)
3801 (if (string-match "<[^>]+>" string)
3802 (substring string (match-beginning 0) (match-end 0))
3805 (defun gnus-build-sparse-threads ()
3806 (let ((headers gnus-newsgroup-headers)
3807 (mail-parse-charset gnus-newsgroup-charset)
3808 (gnus-summary-ignore-duplicates t)
3809 header references generation relations
3810 subject child end new-child date)
3811 ;; First we create an alist of generations/relations, where
3812 ;; generations is how much we trust the relation, and the relation
3814 (gnus-message 7 "Making sparse threads...")
3816 (nnheader-set-temp-buffer " *gnus sparse threads*")
3817 (while (setq header (pop headers))
3818 (when (and (setq references (mail-header-references header))
3819 (not (string= references "")))
3821 (setq child (mail-header-id header)
3822 subject (mail-header-subject header)
3823 date (mail-header-date header)
3825 (while (search-backward ">" nil t)
3826 (setq end (1+ (point)))
3827 (when (search-backward "<" nil t)
3828 (setq new-child (buffer-substring (point) end))
3829 (push (list (incf generation)
3830 child (setq child new-child)
3834 (push (list (1+ generation) child nil subject) relations))
3836 (kill-buffer (current-buffer)))
3837 ;; Sort over trustworthiness.
3840 (when (gnus-dependencies-add-header
3841 (make-full-mail-header
3842 gnus-reffed-article-number
3843 (nth 3 relation) "" (or (nth 4 relation) "")
3845 (or (nth 2 relation) "") 0 0 "")
3846 gnus-newsgroup-dependencies nil)
3847 (push gnus-reffed-article-number gnus-newsgroup-limit)
3848 (push gnus-reffed-article-number gnus-newsgroup-sparse)
3849 (push (cons gnus-reffed-article-number gnus-sparse-mark)
3850 gnus-newsgroup-reads)
3851 (decf gnus-reffed-article-number)))
3852 (sort relations 'car-less-than-car))
3853 (gnus-message 7 "Making sparse threads...done")))
3855 (defun gnus-build-old-threads ()
3856 ;; Look at all the articles that refer back to old articles, and
3857 ;; fetch the headers for the articles that aren't there. This will
3858 ;; build complete threads - if the roots haven't been expired by the
3860 (let ((mail-parse-charset gnus-newsgroup-charset)
3864 (when (not (car (symbol-value refs)))
3865 (setq heads (cdr (symbol-value refs)))
3867 (if (memq (mail-header-number (caar heads))
3868 gnus-newsgroup-dormant)
3869 (setq heads (cdr heads))
3870 (setq id (symbol-name refs))
3871 (while (and (setq id (gnus-build-get-header id))
3872 (not (car (gnus-id-to-thread id)))))
3873 (setq heads nil)))))
3874 gnus-newsgroup-dependencies)))
3876 ;; This function has to be called with point after the article number
3877 ;; on the beginning of the line.
3878 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
3879 (let ((eol (gnus-point-at-eol))
3880 (buffer (current-buffer))
3881 header references in-reply-to)
3883 ;; overview: [num subject from date id refs chars lines misc]
3886 (narrow-to-region (point) eol)
3891 (make-full-mail-header
3893 (condition-case () ; subject
3894 (funcall gnus-decode-encoded-word-function
3895 (setq x (nnheader-nov-field)))
3897 (condition-case () ; from
3898 (funcall gnus-decode-encoded-word-function
3899 (setq x (nnheader-nov-field)))
3901 (nnheader-nov-field) ; date
3902 (nnheader-nov-read-message-id) ; id
3903 (setq references (nnheader-nov-field)) ; refs
3904 (nnheader-nov-read-integer) ; chars
3905 (nnheader-nov-read-integer) ; lines
3907 (if (looking-at "Xref: ")
3908 (goto-char (match-end 0)))
3909 (nnheader-nov-field)) ; Xref
3910 (nnheader-nov-parse-extra)))) ; extra
3914 (when (and (string= references "")
3915 (setq in-reply-to (mail-header-extra header))
3916 (setq in-reply-to (cdr (assq 'In-Reply-To in-reply-to))))
3917 (mail-header-set-references
3918 header (gnus-extract-message-id-from-in-reply-to in-reply-to)))
3920 (when gnus-alter-header-function
3921 (funcall gnus-alter-header-function header))
3922 (gnus-dependencies-add-header header dependencies force-new)))
3924 (defun gnus-build-get-header (id)
3925 "Look through the buffer of NOV lines and find the header to ID.
3926 Enter this line into the dependencies hash table, and return
3927 the id of the parent article (if any)."
3928 (let ((deps gnus-newsgroup-dependencies)
3932 (set-buffer nntp-server-buffer)
3933 (let ((case-fold-search nil))
3934 (goto-char (point-min))
3935 (while (and (not found)
3936 (search-forward id nil t))
3938 (setq found (looking-at
3939 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
3940 (regexp-quote id))))
3941 (or found (beginning-of-line 2)))
3945 (setq header (gnus-nov-parse-line
3946 (read (current-buffer)) deps))
3947 (gnus-parent-id (mail-header-references header))))))
3949 (let ((number (mail-header-number header)))
3950 (push number gnus-newsgroup-limit)
3951 (push header gnus-newsgroup-headers)
3952 (if (memq number gnus-newsgroup-unselected)
3954 (setq gnus-newsgroup-unreads
3955 (gnus-add-to-sorted-list gnus-newsgroup-unreads
3957 (setq gnus-newsgroup-unselected
3958 (delq number gnus-newsgroup-unselected)))
3959 (push number gnus-newsgroup-ancient)))))))
3961 (defun gnus-build-all-threads ()
3962 "Read all the headers."
3963 (let ((gnus-summary-ignore-duplicates t)
3964 (mail-parse-charset gnus-newsgroup-charset)
3965 (dependencies gnus-newsgroup-dependencies)
3968 (set-buffer nntp-server-buffer)
3969 (let ((case-fold-search nil))
3970 (goto-char (point-min))
3973 (setq article (read (current-buffer))
3974 header (gnus-nov-parse-line article dependencies)))
3977 (set-buffer gnus-summary-buffer)
3978 (push header gnus-newsgroup-headers)
3979 (if (memq (setq article (mail-header-number header))
3980 gnus-newsgroup-unselected)
3982 (setq gnus-newsgroup-unreads
3983 (gnus-add-to-sorted-list
3984 gnus-newsgroup-unreads article))
3985 (setq gnus-newsgroup-unselected
3986 (delq article gnus-newsgroup-unselected)))
3987 (push article gnus-newsgroup-ancient)))
3988 (forward-line 1)))))))
3990 (defun gnus-summary-update-article-line (article header)
3991 "Update the line for ARTICLE using HEADERS."
3992 (let* ((id (mail-header-id header))
3993 (thread (gnus-id-to-thread id)))
3995 (error "Article in no thread"))
3996 ;; Update the thread.
3997 (setcar thread header)
3998 (gnus-summary-goto-subject article)
3999 (let* ((datal (gnus-data-find-list article))
4001 (length (when (cdr datal)
4002 (- (gnus-data-pos data)
4003 (gnus-data-pos (cadr datal)))))
4004 (buffer-read-only nil)
4005 (level (gnus-summary-thread-level)))
4007 (gnus-summary-insert-line
4009 (memq article gnus-newsgroup-undownloaded)
4010 (gnus-article-mark article)
4011 (memq article gnus-newsgroup-replied)
4012 (memq article gnus-newsgroup-expirable)
4013 ;; Only insert the Subject string when it's different
4014 ;; from the previous Subject string.
4019 (mail-header-subject
4022 (gnus-data-find-list
4024 (gnus-data-list t)))))
4025 ;; Error on the side of excessive subjects.
4027 (mail-header-subject header)))
4029 (mail-header-subject header))
4030 nil (cdr (assq article gnus-newsgroup-scored))
4031 (memq article gnus-newsgroup-processable))
4033 (gnus-data-update-list
4034 (cdr datal) (- length (- (gnus-data-pos data) (point))))))))
4036 (defun gnus-summary-update-article (article &optional iheader)
4037 "Update ARTICLE in the summary buffer."
4038 (set-buffer gnus-summary-buffer)
4039 (let* ((header (gnus-summary-article-header article))
4040 (id (mail-header-id header))
4041 (data (gnus-data-find article))
4042 (thread (gnus-id-to-thread id))
4043 (references (mail-header-references header))
4047 (when (and references
4048 (not (equal "" references)))
4051 (buffer-read-only nil)
4057 (delq thread parent)))
4058 (if (gnus-summary-insert-subject id header)
4059 ;; Set the (possibly) new article number in the data structure.
4060 (gnus-data-set-number data (gnus-id-to-article id))
4064 (defun gnus-rebuild-thread (id &optional line)
4065 "Rebuild the thread containing ID.
4066 If LINE, insert the rebuilt thread starting on line LINE."
4067 (let ((buffer-read-only nil)
4068 old-pos current thread data)
4069 (if (not gnus-show-threads)
4070 (setq thread (list (car (gnus-id-to-thread id))))
4071 ;; Get the thread this article is part of.
4072 (setq thread (gnus-remove-thread id)))
4073 (setq old-pos (gnus-point-at-bol))
4074 (setq current (save-excursion
4075 (and (re-search-backward "[\r\n]" nil t)
4076 (gnus-summary-article-number))))
4077 ;; If this is a gathered thread, we have to go some re-gathering.
4078 (when (stringp (car thread))
4079 (let ((subject (car thread))
4081 (setq thread (cdr thread))
4083 (unless (memq (setq thr (gnus-id-to-thread
4085 (mail-header-id (caar thread)))))
4088 (setq thread (cdr thread)))
4089 ;; We now have all (unique) roots.
4090 (if (= (length roots) 1)
4091 ;; All the loose roots are now one solid root.
4092 (setq thread (car roots))
4093 (setq thread (cons subject (gnus-sort-threads roots))))))
4095 ;; We then insert this thread into the summary buffer.
4097 (goto-char (point-min))
4098 (forward-line (1- line)))
4099 (let (gnus-newsgroup-data gnus-newsgroup-threads)
4100 (if gnus-show-threads
4101 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
4102 (gnus-summary-prepare-unthreaded thread))
4103 (setq data (nreverse gnus-newsgroup-data))
4104 (setq threads gnus-newsgroup-threads))
4105 ;; We splice the new data into the data structure.
4106 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
4107 ;;!!! then we want to insert at the beginning of the buffer.
4108 ;;!!! That happens to be true with Gnus now, but that may
4109 ;;!!! change in the future. Perhaps.
4110 (gnus-data-enter-list
4111 (if line nil current) data (- (point) old-pos))
4112 (setq gnus-newsgroup-threads
4113 (nconc threads gnus-newsgroup-threads))
4114 (gnus-data-compute-positions))))
4116 (defun gnus-number-to-header (number)
4117 "Return the header for article NUMBER."
4118 (let ((headers gnus-newsgroup-headers))
4120 (not (= number (mail-header-number (car headers)))))
4125 (defun gnus-parent-headers (in-headers &optional generation)
4126 "Return the headers of the GENERATIONeth parent of HEADERS."
4128 (setq generation 1))
4130 (headers in-headers)
4133 (not (zerop generation))
4134 (setq references (mail-header-references headers)))
4135 (setq headers (if (and references
4136 (setq parent (gnus-parent-id references)))
4137 (car (gnus-id-to-thread parent))
4140 (and (not (eq headers in-headers))
4143 (defun gnus-id-to-thread (id)
4144 "Return the (sub-)thread where ID appears."
4145 (gnus-gethash id gnus-newsgroup-dependencies))
4147 (defun gnus-id-to-article (id)
4148 "Return the article number of ID."
4149 (let ((thread (gnus-id-to-thread id)))
4152 (mail-header-number (car thread)))))
4154 (defun gnus-id-to-header (id)
4155 "Return the article headers of ID."
4156 (car (gnus-id-to-thread id)))
4158 (defun gnus-article-displayed-root-p (article)
4159 "Say whether ARTICLE is a root(ish) article."
4160 (let ((level (gnus-summary-thread-level article))
4161 (refs (mail-header-references (gnus-summary-article-header article)))
4167 ((null (gnus-parent-id refs)) t)
4169 (null (setq particle (gnus-id-to-article
4170 (gnus-parent-id refs))))
4171 (null (gnus-summary-thread-level particle)))))))
4173 (defun gnus-root-id (id)
4174 "Return the id of the root of the thread where ID appears."
4176 (while (and id (setq prev (car (gnus-id-to-thread id))))
4178 id (gnus-parent-id (mail-header-references prev))))
4181 (defun gnus-articles-in-thread (thread)
4182 "Return the list of articles in THREAD."
4183 (cons (mail-header-number (car thread))
4184 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
4186 (defun gnus-remove-thread (id &optional dont-remove)
4187 "Remove the thread that has ID in it."
4188 (let (headers thread last-id)
4189 ;; First go up in this thread until we find the root.
4190 (setq last-id (gnus-root-id id)
4191 headers (message-flatten-list (gnus-id-to-thread last-id)))
4192 ;; We have now found the real root of this thread. It might have
4193 ;; been gathered into some loose thread, so we have to search
4194 ;; through the threads to find the thread we wanted.
4195 (let ((threads gnus-newsgroup-threads)
4198 (setq sub (car threads))
4199 (if (stringp (car sub))
4200 ;; This is a gathered thread, so we look at the roots
4201 ;; below it to find whether this article is in this
4204 (setq sub (cdr sub))
4206 (when (member (caar sub) headers)
4207 (setq thread (car threads)
4210 (setq sub (cdr sub))))
4211 ;; It's an ordinary thread, so we check it.
4212 (when (eq (car sub) (car headers))
4215 (setq threads (cdr threads)))
4216 ;; If this article is in no thread, then it's a root.
4219 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
4220 (setq thread (gnus-id-to-thread last-id)))
4223 thread ; We return this thread.
4225 (if (stringp (car thread))
4227 ;; If we use dummy roots, then we have to remove the
4228 ;; dummy root as well.
4229 (when (eq gnus-summary-make-false-root 'dummy)
4230 ;; We go to the dummy root by going to
4231 ;; the first sub-"thread", and then one line up.
4232 (gnus-summary-goto-article
4233 (mail-header-number (caadr thread)))
4236 (gnus-data-compute-positions))
4237 (setq thread (cdr thread))
4239 (gnus-remove-thread-1 (car thread))
4240 (setq thread (cdr thread))))
4241 (gnus-remove-thread-1 thread))))))))
4243 (defun gnus-remove-thread-1 (thread)
4244 "Remove the thread THREAD recursively."
4245 (let ((number (mail-header-number (pop thread)))
4247 (setq thread (reverse thread))
4249 (gnus-remove-thread-1 (pop thread)))
4250 (when (setq d (gnus-data-find number))
4251 (goto-char (gnus-data-pos d))
4252 (gnus-summary-show-thread)
4255 (- (gnus-point-at-bol)
4257 (1+ (gnus-point-at-eol))
4258 (gnus-delete-line)))))))
4260 (defun gnus-sort-threads-1 (threads func)
4261 (sort (mapcar (lambda (thread)
4264 (gnus-sort-threads-1 (cdr thread) func))))
4267 (defun gnus-sort-threads (threads)
4269 (if (not gnus-thread-sort-functions)
4271 (gnus-message 8 "Sorting threads...")
4272 (let ((max-lisp-eval-depth 5000))
4273 (prog1 (gnus-sort-threads-1
4275 (gnus-make-sort-function gnus-thread-sort-functions))
4276 (gnus-message 8 "Sorting threads...done")))))
4278 (defun gnus-sort-articles (articles)
4280 (when gnus-article-sort-functions
4281 (gnus-message 7 "Sorting articles...")
4283 (setq gnus-newsgroup-headers
4284 (sort articles (gnus-make-sort-function
4285 gnus-article-sort-functions)))
4286 (gnus-message 7 "Sorting articles...done"))))
4288 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
4289 (defmacro gnus-thread-header (thread)
4290 "Return header of first article in THREAD.
4291 Note that THREAD must never, ever be anything else than a variable -
4292 using some other form will lead to serious barfage."
4293 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
4294 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
4295 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207"
4298 (defsubst gnus-article-sort-by-number (h1 h2)
4299 "Sort articles by article number."
4300 (< (mail-header-number h1)
4301 (mail-header-number h2)))
4303 (defun gnus-thread-sort-by-number (h1 h2)
4304 "Sort threads by root article number."
4305 (gnus-article-sort-by-number
4306 (gnus-thread-header h1) (gnus-thread-header h2)))
4308 (defsubst gnus-article-sort-by-random (h1 h2)
4309 "Sort articles by article number."
4312 (defun gnus-thread-sort-by-random (h1 h2)
4313 "Sort threads by root article number."
4314 (gnus-article-sort-by-random
4315 (gnus-thread-header h1) (gnus-thread-header h2)))
4317 (defsubst gnus-article-sort-by-lines (h1 h2)
4318 "Sort articles by article Lines header."
4319 (< (mail-header-lines h1)
4320 (mail-header-lines h2)))
4322 (defun gnus-thread-sort-by-lines (h1 h2)
4323 "Sort threads by root article Lines header."
4324 (gnus-article-sort-by-lines
4325 (gnus-thread-header h1) (gnus-thread-header h2)))
4327 (defsubst gnus-article-sort-by-chars (h1 h2)
4328 "Sort articles by octet length."
4329 (< (mail-header-chars h1)
4330 (mail-header-chars h2)))
4332 (defun gnus-thread-sort-by-chars (h1 h2)
4333 "Sort threads by root article octet length."
4334 (gnus-article-sort-by-chars
4335 (gnus-thread-header h1) (gnus-thread-header h2)))
4337 (defsubst gnus-article-sort-by-author (h1 h2)
4338 "Sort articles by root author."
4340 (let ((extract (funcall
4341 gnus-extract-address-components
4342 (mail-header-from h1))))
4343 (or (car extract) (cadr extract) ""))
4344 (let ((extract (funcall
4345 gnus-extract-address-components
4346 (mail-header-from h2))))
4347 (or (car extract) (cadr extract) ""))))
4349 (defun gnus-thread-sort-by-author (h1 h2)
4350 "Sort threads by root author."
4351 (gnus-article-sort-by-author
4352 (gnus-thread-header h1) (gnus-thread-header h2)))
4354 (defsubst gnus-article-sort-by-subject (h1 h2)
4355 "Sort articles by root subject."
4357 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
4358 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
4360 (defun gnus-thread-sort-by-subject (h1 h2)
4361 "Sort threads by root subject."
4362 (gnus-article-sort-by-subject
4363 (gnus-thread-header h1) (gnus-thread-header h2)))
4365 (defsubst gnus-article-sort-by-date (h1 h2)
4366 "Sort articles by root article date."
4368 (gnus-date-get-time (mail-header-date h1))
4369 (gnus-date-get-time (mail-header-date h2))))
4371 (defun gnus-thread-sort-by-date (h1 h2)
4372 "Sort threads by root article date."
4373 (gnus-article-sort-by-date
4374 (gnus-thread-header h1) (gnus-thread-header h2)))
4376 (defsubst gnus-article-sort-by-score (h1 h2)
4377 "Sort articles by root article score.
4378 Unscored articles will be counted as having a score of zero."
4379 (> (or (cdr (assq (mail-header-number h1)
4380 gnus-newsgroup-scored))
4381 gnus-summary-default-score 0)
4382 (or (cdr (assq (mail-header-number h2)
4383 gnus-newsgroup-scored))
4384 gnus-summary-default-score 0)))
4386 (defun gnus-thread-sort-by-score (h1 h2)
4387 "Sort threads by root article score."
4388 (gnus-article-sort-by-score
4389 (gnus-thread-header h1) (gnus-thread-header h2)))
4391 (defun gnus-thread-sort-by-total-score (h1 h2)
4392 "Sort threads by the sum of all scores in the thread.
4393 Unscored articles will be counted as having a score of zero."
4394 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
4396 (defun gnus-thread-total-score (thread)
4397 ;; This function find the total score of THREAD.
4402 (if (stringp (car thread))
4403 (apply gnus-thread-score-function 0
4404 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
4405 (gnus-thread-total-score-1 thread)))
4407 (gnus-thread-total-score-1 (list thread)))))
4409 (defun gnus-thread-sort-by-most-recent-number (h1 h2)
4410 "Sort threads such that the thread with the most recently arrived article comes first."
4411 (> (gnus-thread-highest-number h1) (gnus-thread-highest-number h2)))
4413 (defun gnus-thread-highest-number (thread)
4414 "Return the highest article number in THREAD."
4415 (apply 'max (mapcar (lambda (header)
4416 (mail-header-number header))
4417 (message-flatten-list thread))))
4419 (defun gnus-thread-sort-by-most-recent-date (h1 h2)
4420 "Sort threads such that the thread with the most recently dated article comes first."
4421 (> (gnus-thread-latest-date h1) (gnus-thread-latest-date h2)))
4423 (defun gnus-thread-latest-date (thread)
4424 "Return the highest article date in THREAD."
4425 (let ((previous-time 0))
4432 (mail-header-parse-date (mail-header-date header))
4433 (error previous-time)))))
4435 (message-flatten-list thread)
4437 (< (mail-header-number h1)
4438 (mail-header-number h2))))))))
4440 (defun gnus-thread-total-score-1 (root)
4441 ;; This function find the total score of the thread below ROOT.
4442 (setq root (car root))
4443 (apply gnus-thread-score-function
4445 (mapcar 'gnus-thread-total-score
4446 (cdr (gnus-id-to-thread (mail-header-id root))))
4447 (when (> (mail-header-number root) 0)
4448 (list (or (cdr (assq (mail-header-number root)
4449 gnus-newsgroup-scored))
4450 gnus-summary-default-score 0))))
4451 (list gnus-summary-default-score)
4454 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
4455 (defvar gnus-tmp-prev-subject nil)
4456 (defvar gnus-tmp-false-parent nil)
4457 (defvar gnus-tmp-root-expunged nil)
4458 (defvar gnus-tmp-dummy-line nil)
4460 (eval-when-compile (defvar gnus-tmp-header))
4461 (defun gnus-extra-header (type &optional header)
4462 "Return the extra header of TYPE."
4463 (or (cdr (assq type (mail-header-extra (or header gnus-tmp-header))))
4466 (defvar gnus-tmp-thread-tree-header-string "")
4468 (defcustom gnus-sum-thread-tree-root "> "
4469 "With %B spec, used for the root of a thread.
4470 If nil, use subject instead."
4472 :group 'gnus-thread)
4473 (defcustom gnus-sum-thread-tree-single-indent ""
4474 "With %B spec, used for a thread with just one message.
4475 If nil, use subject instead."
4477 :group 'gnus-thread)
4478 (defcustom gnus-sum-thread-tree-vertical "| "
4479 "With %B spec, used for drawing a vertical line."
4481 :group 'gnus-thread)
4482 (defcustom gnus-sum-thread-tree-indent " "
4483 "With %B spec, used for indenting."
4485 :group 'gnus-thread)
4486 (defcustom gnus-sum-thread-tree-leaf-with-other "+-> "
4487 "With %B spec, used for a leaf with brothers."
4489 :group 'gnus-thread)
4490 (defcustom gnus-sum-thread-tree-single-leaf "\\-> "
4491 "With %B spec, used for a leaf without brothers."
4493 :group 'gnus-thread)
4495 (defun gnus-summary-prepare-threads (threads)
4496 "Prepare summary buffer from THREADS and indentation LEVEL.
4497 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
4498 or a straight list of headers."
4499 (gnus-message 7 "Generating summary...")
4501 (setq gnus-newsgroup-threads threads)
4504 (let ((gnus-tmp-level 0)
4505 (default-score (or gnus-summary-default-score 0))
4506 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
4507 (building-line-count gnus-summary-display-while-building)
4508 (building-count (integerp gnus-summary-display-while-building))
4509 thread number subject stack state gnus-tmp-gathered beg-match
4510 new-roots gnus-tmp-new-adopts thread-end simp-subject
4511 gnus-tmp-header gnus-tmp-unread gnus-tmp-downloaded
4512 gnus-tmp-replied gnus-tmp-subject-or-nil
4513 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
4514 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
4515 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket
4518 (setq gnus-tmp-prev-subject nil)
4520 (if (vectorp (car threads))
4521 ;; If this is a straight (sic) list of headers, then a
4522 ;; threaded summary display isn't required, so we just create
4523 ;; an unthreaded one.
4524 (gnus-summary-prepare-unthreaded threads)
4526 ;; Do the threaded display.
4528 (if gnus-summary-display-while-building
4529 (switch-to-buffer (buffer-name)))
4530 (while (or threads stack gnus-tmp-new-adopts new-roots)
4532 (if (and (= gnus-tmp-level 0)
4535 (not gnus-tmp-false-parent)
4536 (or gnus-tmp-new-adopts new-roots))
4537 (if gnus-tmp-new-adopts
4538 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
4539 thread (list (car gnus-tmp-new-adopts))
4540 gnus-tmp-header (caar thread)
4541 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
4543 (setq thread (list (car new-roots))
4544 gnus-tmp-header (caar thread)
4545 new-roots (cdr new-roots))))
4548 ;; If there are some threads, we do them before the
4549 ;; threads on the stack.
4550 (setq thread threads
4551 gnus-tmp-header (caar thread))
4552 ;; There were no current threads, so we pop something off
4554 (setq state (car stack)
4555 gnus-tmp-level (car state)
4556 tree-stack (cadr state)
4557 thread (caddr state)
4559 gnus-tmp-header (caar thread))))
4561 (setq gnus-tmp-false-parent nil)
4562 (setq gnus-tmp-root-expunged nil)
4563 (setq thread-end nil)
4565 (if (stringp gnus-tmp-header)
4566 ;; The header is a dummy root.
4568 ((eq gnus-summary-make-false-root 'adopt)
4569 ;; We let the first article adopt the rest.
4570 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
4572 (setq gnus-tmp-gathered
4574 (lambda (h) (mail-header-number (car h)))
4577 (setq thread (cons (list (caar thread)
4580 (setq gnus-tmp-level -1
4581 gnus-tmp-false-parent t))
4582 ((eq gnus-summary-make-false-root 'empty)
4583 ;; We print adopted articles with empty subject fields.
4584 (setq gnus-tmp-gathered
4586 (lambda (h) (mail-header-number (car h)))
4589 (setq gnus-tmp-level -1))
4590 ((eq gnus-summary-make-false-root 'dummy)
4591 ;; We remember that we probably want to output a dummy
4593 (setq gnus-tmp-dummy-line gnus-tmp-header)
4594 (setq gnus-tmp-prev-subject gnus-tmp-header))
4596 ;; We do not make a root for the gathered
4597 ;; sub-threads at all.
4598 (setq gnus-tmp-level -1)))
4600 (setq number (mail-header-number gnus-tmp-header)
4601 subject (mail-header-subject gnus-tmp-header)
4602 simp-subject (gnus-simplify-subject-fully subject))
4605 ;; If the thread has changed subject, we might want to make
4606 ;; this subthread into a root.
4607 ((and (null gnus-thread-ignore-subject)
4608 (not (zerop gnus-tmp-level))
4609 gnus-tmp-prev-subject
4610 (not (string= gnus-tmp-prev-subject simp-subject)))
4611 (setq new-roots (nconc new-roots (list (car thread)))
4613 gnus-tmp-header nil))
4614 ;; If the article lies outside the current limit,
4615 ;; then we do not display it.
4616 ((not (memq number gnus-newsgroup-limit))
4617 (setq gnus-tmp-gathered
4619 (lambda (h) (mail-header-number (car h)))
4622 (setq gnus-tmp-new-adopts (if (cdar thread)
4623 (append gnus-tmp-new-adopts
4625 gnus-tmp-new-adopts)
4627 gnus-tmp-header nil)
4628 (when (zerop gnus-tmp-level)
4629 (setq gnus-tmp-root-expunged t)))
4630 ;; Perhaps this article is to be marked as read?
4631 ((and gnus-summary-mark-below
4632 (< (or (cdr (assq number gnus-newsgroup-scored))
4634 gnus-summary-mark-below)
4635 ;; Don't touch sparse articles.
4636 (not (gnus-summary-article-sparse-p number))
4637 (not (gnus-summary-article-ancient-p number)))
4638 (setq gnus-newsgroup-unreads
4639 (delq number gnus-newsgroup-unreads))
4640 (if gnus-newsgroup-auto-expire
4641 (setq gnus-newsgroup-expirable
4642 (gnus-add-to-sorted-list
4643 gnus-newsgroup-expirable number))
4644 (push (cons number gnus-low-score-mark)
4645 gnus-newsgroup-reads))))
4647 (when gnus-tmp-header
4648 ;; We may have an old dummy line to output before this
4650 (when (and gnus-tmp-dummy-line
4653 (mail-header-subject gnus-tmp-header)))
4654 (gnus-summary-insert-dummy-line
4655 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
4656 (setq gnus-tmp-dummy-line nil))
4658 ;; Compute the mark.
4659 (setq gnus-tmp-unread (gnus-article-mark number))
4661 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
4662 gnus-tmp-header gnus-tmp-level)
4663 gnus-newsgroup-data)
4665 ;; Actually insert the line.
4667 gnus-tmp-subject-or-nil
4669 ((and gnus-thread-ignore-subject
4670 gnus-tmp-prev-subject
4671 (not (string= gnus-tmp-prev-subject simp-subject)))
4673 ((zerop gnus-tmp-level)
4674 (if (and (eq gnus-summary-make-false-root 'empty)
4675 (memq number gnus-tmp-gathered)
4676 gnus-tmp-prev-subject
4677 (string= gnus-tmp-prev-subject simp-subject))
4678 gnus-summary-same-subject
4680 (t gnus-summary-same-subject)))
4681 (if (and (eq gnus-summary-make-false-root 'adopt)
4682 (= gnus-tmp-level 1)
4683 (memq number gnus-tmp-gathered))
4684 (setq gnus-tmp-opening-bracket ?\<
4685 gnus-tmp-closing-bracket ?\>)
4686 (setq gnus-tmp-opening-bracket ?\[
4687 gnus-tmp-closing-bracket ?\]))
4689 gnus-tmp-indentation
4690 (aref gnus-thread-indent-array gnus-tmp-level)
4691 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
4692 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
4693 gnus-summary-default-score 0)
4695 (if (or (null gnus-summary-default-score)
4696 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
4697 gnus-summary-zcore-fuzz))
4699 (if (< gnus-tmp-score gnus-summary-default-score)
4700 gnus-score-below-mark gnus-score-over-mark))
4702 (cond ((memq number gnus-newsgroup-processable)
4704 ((memq number gnus-newsgroup-cached)
4706 ((memq number gnus-newsgroup-replied)
4708 ((memq number gnus-newsgroup-forwarded)
4709 gnus-forwarded-mark)
4710 ((memq number gnus-newsgroup-saved)
4712 ((memq number gnus-newsgroup-recent)
4714 ((memq number gnus-newsgroup-unseen)
4718 (cond ((memq number gnus-newsgroup-undownloaded)
4719 gnus-undownloaded-mark)
4720 (gnus-newsgroup-agentized
4721 gnus-downloaded-mark)
4724 gnus-tmp-from (mail-header-from gnus-tmp-header)
4727 ((string-match "<[^>]+> *$" gnus-tmp-from)
4728 (setq beg-match (match-beginning 0))
4729 (or (and (string-match "^\".+\"" gnus-tmp-from)
4730 (substring gnus-tmp-from 1 (1- (match-end 0))))
4731 (substring gnus-tmp-from 0 beg-match)))
4732 ((string-match "(.+)" gnus-tmp-from)
4733 (substring gnus-tmp-from
4734 (1+ (match-beginning 0)) (1- (match-end 0))))
4736 gnus-tmp-thread-tree-header-string
4738 ((not gnus-show-threads) "")
4739 ((zerop gnus-tmp-level)
4741 (or gnus-sum-thread-tree-root subject)
4742 (or gnus-sum-thread-tree-single-indent subject)))
4744 (concat (apply 'concat
4745 (mapcar (lambda (item)
4747 gnus-sum-thread-tree-vertical
4748 gnus-sum-thread-tree-indent))
4749 (cdr (reverse tree-stack))))
4751 gnus-sum-thread-tree-leaf-with-other
4752 gnus-sum-thread-tree-single-leaf)))))
4753 (when (string= gnus-tmp-name "")
4754 (setq gnus-tmp-name gnus-tmp-from))
4755 (unless (numberp gnus-tmp-lines)
4756 (setq gnus-tmp-lines -1))
4757 (if (= gnus-tmp-lines -1)
4758 (setq gnus-tmp-lines "?")
4759 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
4760 (gnus-put-text-property
4762 (progn (eval gnus-summary-line-format-spec) (point))
4763 'gnus-number number)
4766 (gnus-run-hooks 'gnus-summary-update-hook)
4769 (setq gnus-tmp-prev-subject simp-subject)))
4771 (when (nth 1 thread)
4772 (push (list (max 0 gnus-tmp-level)
4773 (copy-list tree-stack)
4776 (push (if (nth 1 thread) 1 0) tree-stack)
4777 (incf gnus-tmp-level)
4778 (setq threads (if thread-end nil (cdar thread)))
4779 (if gnus-summary-display-while-building
4782 ;; use a set frequency
4783 (setq building-line-count (1- building-line-count))
4784 (when (= building-line-count 0)
4786 (setq building-line-count
4787 gnus-summary-display-while-building)))
4791 (setq gnus-tmp-level 0)))))
4792 (gnus-message 7 "Generating summary...done"))
4794 (defun gnus-summary-prepare-unthreaded (headers)
4795 "Generate an unthreaded summary buffer based on HEADERS."
4796 (let (header number mark)
4801 ;; We may have to root out some bad articles...
4802 (when (memq (setq number (mail-header-number
4803 (setq header (pop headers))))
4804 gnus-newsgroup-limit)
4805 ;; Mark article as read when it has a low score.
4806 (when (and gnus-summary-mark-below
4807 (< (or (cdr (assq number gnus-newsgroup-scored))
4808 gnus-summary-default-score 0)
4809 gnus-summary-mark-below)
4810 (not (gnus-summary-article-ancient-p number)))
4811 (setq gnus-newsgroup-unreads
4812 (delq number gnus-newsgroup-unreads))
4813 (if gnus-newsgroup-auto-expire
4814 (push number gnus-newsgroup-expirable)
4815 (push (cons number gnus-low-score-mark)
4816 gnus-newsgroup-reads)))
4818 (setq mark (gnus-article-mark number))
4819 (push (gnus-data-make number mark (1+ (point)) header 0)
4820 gnus-newsgroup-data)
4821 (gnus-summary-insert-line
4823 (memq number gnus-newsgroup-undownloaded)
4824 mark (memq number gnus-newsgroup-replied)
4825 (memq number gnus-newsgroup-expirable)
4826 (mail-header-subject header) nil
4827 (cdr (assq number gnus-newsgroup-scored))
4828 (memq number gnus-newsgroup-processable))))))
4830 (defun gnus-summary-remove-list-identifiers ()
4831 "Remove list identifiers in `gnus-list-identifiers' from articles in the current group."
4832 (let ((regexp (if (consp gnus-list-identifiers)
4833 (mapconcat 'identity gnus-list-identifiers " *\\|")
4834 gnus-list-identifiers))
4837 (dolist (header gnus-newsgroup-headers)
4838 (setq subject (mail-header-subject header)
4840 (while (string-match
4841 (concat "^\\(R[Ee]: +\\)*\\(" regexp " *\\)")
4844 (concat (substring subject 0 (match-beginning 2))
4845 (substring subject (match-end 0)))
4849 "^\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" subject))
4851 (concat (substring subject 0 (match-beginning 1))
4852 (substring subject (match-end 1)))))
4854 (mail-header-set-subject header subject))))))
4856 (defun gnus-fetch-headers (articles)
4857 "Fetch headers of ARTICLES."
4858 (let ((name (gnus-group-decoded-name gnus-newsgroup-name)))
4859 (gnus-message 5 "Fetching headers for %s..." name)
4862 (setq gnus-headers-retrieved-by
4863 (gnus-retrieve-headers
4864 articles gnus-newsgroup-name
4865 ;; We might want to fetch old headers, but
4866 ;; not if there is only 1 article.
4868 (not (eq gnus-fetch-old-headers 'some))
4869 (not (numberp gnus-fetch-old-headers)))
4870 (> (length articles) 1))
4871 gnus-fetch-old-headers))))
4872 (gnus-get-newsgroup-headers-xover
4873 articles nil nil gnus-newsgroup-name t)
4874 (gnus-get-newsgroup-headers))
4875 (gnus-message 5 "Fetching headers for %s...done" name))))
4877 (defun gnus-select-newsgroup (group &optional read-all select-articles)
4878 "Select newsgroup GROUP.
4879 If READ-ALL is non-nil, all articles in the group are selected.
4880 If SELECT-ARTICLES, only select those articles from GROUP."
4881 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
4882 ;;!!! Dirty hack; should be removed.
4883 (gnus-summary-ignore-duplicates
4884 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
4886 gnus-summary-ignore-duplicates))
4887 (info (nth 2 entry))
4888 articles fetched-articles cached)
4890 (unless (gnus-check-server
4891 (set (make-local-variable 'gnus-current-select-method)
4892 (gnus-find-method-for-group group)))
4893 (error "Couldn't open server"))
4895 (or (and entry (not (eq (car entry) t))) ; Either it's active...
4896 (gnus-activate-group group) ; Or we can activate it...
4897 (progn ; Or we bug out.
4898 (when (equal major-mode 'gnus-summary-mode)
4899 (kill-buffer (current-buffer)))
4900 (error "Couldn't activate group %s: %s"
4901 group (gnus-status-message group))))
4903 (unless (gnus-request-group group t)
4904 (when (equal major-mode 'gnus-summary-mode)
4905 (kill-buffer (current-buffer)))
4906 (error "Couldn't request group %s: %s"
4907 group (gnus-status-message group)))
4909 (setq gnus-newsgroup-name group
4910 gnus-newsgroup-unselected nil
4911 gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
4913 (let ((display (gnus-group-find-parameter group 'display)))
4914 (setq gnus-newsgroup-display
4916 ((not (zerop (or (car-safe read-all) 0)))
4917 ;; The user entered the group with C-u SPC/RET, let's show
4923 (gnus-summary-display-make-predicate (mapcar 'identity display)))
4925 ;; The following is probably the "correct" solution, but
4926 ;; it makes Gnus fetch all headers and then limit the
4927 ;; articles (which is slow), so instead we hack the
4928 ;; select-articles parameter instead. -- Simon Josefsson
4931 ;; (gnus-byte-compile
4932 ;; `(lambda () (> number ,(- (cdr (gnus-active group))
4934 (setq select-articles
4935 (gnus-uncompress-range
4936 (cons (let ((tmp (- (cdr (gnus-active group)) display)))
4940 (cdr (gnus-active group)))))
4945 (gnus-summary-setup-default-charset)
4947 ;; Kludge to avoid having cached articles nixed out in virtual groups.
4948 (when (gnus-virtual-group-p group)
4949 (setq cached gnus-newsgroup-cached))
4951 (setq gnus-newsgroup-unreads
4952 (gnus-sorted-ndifference
4953 (gnus-sorted-ndifference gnus-newsgroup-unreads
4954 gnus-newsgroup-marked)
4955 gnus-newsgroup-dormant))
4957 (setq gnus-newsgroup-processable nil)
4959 (gnus-update-read-articles group gnus-newsgroup-unreads)
4961 ;; Adjust and set lists of article marks.
4963 (gnus-adjust-marked-articles info))
4964 (if (setq articles select-articles)
4965 (setq gnus-newsgroup-unselected
4966 (gnus-sorted-difference gnus-newsgroup-unreads articles))
4967 (setq articles (gnus-articles-to-read group read-all)))
4971 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
4973 ((eq articles 0) nil)
4975 ;; Init the dependencies hash table.
4976 (setq gnus-newsgroup-dependencies
4977 (gnus-make-hashtable (length articles)))
4978 (gnus-set-global-variables)
4979 ;; Retrieve the headers and read them in.
4981 (setq gnus-newsgroup-headers (gnus-fetch-headers articles))
4983 ;; Kludge to avoid having cached articles nixed out in virtual groups.
4985 (setq gnus-newsgroup-cached cached))
4987 ;; Suppress duplicates?
4988 (when gnus-suppress-duplicates
4989 (gnus-dup-suppress-articles))
4991 ;; Set the initial limit.
4992 (setq gnus-newsgroup-limit (copy-sequence articles))
4993 ;; Remove canceled articles from the list of unread articles.
4994 (setq fetched-articles
4995 (mapcar (lambda (headers) (mail-header-number headers))
4996 gnus-newsgroup-headers))
4997 (setq gnus-newsgroup-articles fetched-articles)
4998 (setq gnus-newsgroup-unreads
4999 (gnus-sorted-nintersection
5000 gnus-newsgroup-unreads fetched-articles))
5001 (gnus-compute-unseen-list)
5003 ;; Removed marked articles that do not exist.
5004 (gnus-update-missing-marks
5005 (gnus-sorted-difference articles fetched-articles))
5006 ;; We might want to build some more threads first.
5007 (when (and gnus-fetch-old-headers
5008 (eq gnus-headers-retrieved-by 'nov))
5009 (if (eq gnus-fetch-old-headers 'invisible)
5010 (gnus-build-all-threads)
5011 (gnus-build-old-threads)))
5012 ;; Let the Gnus agent mark articles as read.
5014 (gnus-agent-get-undownloaded-list))
5015 ;; Remove list identifiers from subject
5016 (when gnus-list-identifiers
5017 (gnus-summary-remove-list-identifiers))
5018 ;; Check whether auto-expire is to be done in this group.
5019 (setq gnus-newsgroup-auto-expire
5020 (gnus-group-auto-expirable-p group))
5021 ;; Set up the article buffer now, if necessary.
5022 (unless gnus-single-article-buffer
5023 (gnus-article-setup-buffer))
5024 ;; First and last article in this newsgroup.
5025 (when gnus-newsgroup-headers
5026 (setq gnus-newsgroup-begin
5027 (mail-header-number (car gnus-newsgroup-headers))
5030 (gnus-last-element gnus-newsgroup-headers))))
5031 ;; GROUP is successfully selected.
5032 (or gnus-newsgroup-headers t)))))
5034 (defun gnus-compute-unseen-list ()
5035 ;; The `seen' marks are treated specially.
5036 (if (not gnus-newsgroup-seen)
5037 (setq gnus-newsgroup-unseen gnus-newsgroup-articles)
5038 (setq gnus-newsgroup-unseen
5039 (gnus-inverse-list-range-intersection
5040 gnus-newsgroup-articles gnus-newsgroup-seen))))
5042 (defun gnus-summary-display-make-predicate (display)
5043 (require 'gnus-agent)
5044 (when (= (length display) 1)
5045 (setq display (car display)))
5046 (unless gnus-summary-display-cache
5047 (dolist (elem (append '((unread . unread)
5050 gnus-article-mark-lists))
5051 (push (cons (cdr elem)
5053 `(lambda () (gnus-article-marked-p ',(cdr elem)))))
5054 gnus-summary-display-cache)))
5055 (let ((gnus-category-predicate-alist gnus-summary-display-cache)
5056 (gnus-category-predicate-cache gnus-summary-display-cache))
5057 (gnus-get-predicate display)))
5059 ;; Uses the dynamically bound `number' variable.
5062 (defun gnus-article-marked-p (type &optional article)
5063 (let ((article (or article number)))
5066 (memq article gnus-newsgroup-marked))
5068 (memq article gnus-newsgroup-spam-marked))
5070 (memq article gnus-newsgroup-unsendable))
5071 ((eq type 'undownload)
5072 (memq article gnus-newsgroup-undownloaded))
5073 ((eq type 'download)
5074 (memq article gnus-newsgroup-downloadable))
5076 (memq article gnus-newsgroup-unreads))
5078 (memq article gnus-newsgroup-reads))
5080 (memq article gnus-newsgroup-dormant) )
5082 (memq article gnus-newsgroup-expirable))
5084 (memq article gnus-newsgroup-replied))
5086 (memq article gnus-newsgroup-killed))
5087 ((eq type 'bookmark)
5088 (assq article gnus-newsgroup-bookmarks))
5090 (assq article gnus-newsgroup-scored))
5092 (memq article gnus-newsgroup-saved))
5094 (memq article gnus-newsgroup-cached))
5096 (memq article gnus-newsgroup-forwarded))
5098 (not (memq article gnus-newsgroup-unseen)))
5100 (memq article gnus-newsgroup-recent))
5103 (defun gnus-articles-to-read (group &optional read-all)
5104 "Find out what articles the user wants to read."
5105 (let* ((display (gnus-group-find-parameter group 'display))
5107 ;; Select all articles if `read-all' is non-nil, or if there
5108 ;; are no unread articles.
5110 (and (zerop (length gnus-newsgroup-marked))
5111 (zerop (length gnus-newsgroup-unreads)))
5112 ;; Fetch all if the predicate is non-nil.
5113 gnus-newsgroup-display)
5114 ;; We want to select the headers for all the articles in
5115 ;; the group, so we select either all the active
5116 ;; articles in the group, or (if that's nil), the
5117 ;; articles in the cache.
5119 (gnus-uncompress-range (gnus-active group))
5120 (gnus-cache-articles-in-group group))
5121 ;; Select only the "normal" subset of articles.
5123 (gnus-sorted-union gnus-newsgroup-dormant gnus-newsgroup-marked)
5124 gnus-newsgroup-unreads)))
5125 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
5126 (scored (length scored-list))
5127 (number (length articles))
5128 (marked (+ (length gnus-newsgroup-marked)
5129 (length gnus-newsgroup-dormant)))
5134 ((numberp gnus-newsgroup-display)
5135 gnus-newsgroup-display)
5139 ((and (or (<= scored marked) (= scored number))
5140 (numberp gnus-large-newsgroup)
5141 (> number gnus-large-newsgroup))
5142 (let* ((cursor-in-echo-area nil)
5143 (initial (gnus-parameter-large-newsgroup-initial
5144 gnus-newsgroup-name))
5148 "How many articles from %s (%s %d): "
5150 (gnus-group-decoded-name gnus-newsgroup-name)
5152 (if initial "max" "default")
5155 (cons (number-to-string initial)
5157 (if (string-match "^[ \t]*$" input) number input)))
5158 ((and (> scored marked) (< scored number)
5159 (> (- scored number) 20))
5162 (format "%s %s (%d scored, %d total): "
5163 "How many articles from"
5164 (gnus-group-decoded-name group)
5166 (if (string-match "^[ \t]*$" input)
5170 (message "Quit getting the articles to read")
5172 (setq select (if (stringp select) (string-to-number select) select))
5173 (if (or (null select) (zerop select))
5175 (if (and (not (zerop scored)) (<= (abs select) scored))
5177 (setq articles (sort scored-list '<))
5178 (setq number (length articles)))
5179 (setq articles (copy-sequence articles)))
5181 (when (< (abs select) number)
5183 ;; Select the N oldest articles.
5184 (setcdr (nthcdr (1- (abs select)) articles) nil)
5185 ;; Select the N most recent articles.
5186 (setq articles (nthcdr (- number select) articles))))
5187 (setq gnus-newsgroup-unselected
5188 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5189 (when gnus-alter-articles-to-read-function
5190 (setq gnus-newsgroup-unreads
5192 (funcall gnus-alter-articles-to-read-function
5193 gnus-newsgroup-name gnus-newsgroup-unreads)
5197 (defun gnus-killed-articles (killed articles)
5200 (when (inline (gnus-member-of-range (car articles) killed))
5201 (push (car articles) out))
5202 (setq articles (cdr articles)))
5205 (defun gnus-uncompress-marks (marks)
5206 "Uncompress the mark ranges in MARKS."
5207 (let ((uncompressed '(score bookmark))
5210 (if (memq (caar marks) uncompressed)
5211 (push (car marks) out)
5212 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
5213 (setq marks (cdr marks)))
5216 (defun gnus-article-mark-to-type (mark)
5217 "Return the type of MARK."
5218 (or (cadr (assq mark gnus-article-special-mark-lists))
5221 (defun gnus-article-unpropagatable-p (mark)
5222 "Return whether MARK should be propagated to backend."
5223 (memq mark gnus-article-unpropagated-mark-lists))
5225 (defun gnus-adjust-marked-articles (info)
5226 "Set all article lists and remove all marks that are no longer valid."
5227 (let* ((marked-lists (gnus-info-marks info))
5228 (active (gnus-active (gnus-info-group info)))
5231 (types gnus-article-mark-lists)
5232 marks var articles article mark mark-type)
5234 (dolist (marks marked-lists)
5235 (setq mark (car marks)
5236 mark-type (gnus-article-mark-to-type mark)
5237 var (intern (format "gnus-newsgroup-%s" (car (rassq mark types)))))
5239 ;; We set the variable according to the type of the marks list,
5240 ;; and then adjust the marks to a subset of the active articles.
5242 ;; Adjust "simple" lists.
5243 ((eq mark-type 'list)
5244 (set var (setq articles (gnus-uncompress-range (cdr marks))))
5245 (when (memq mark '(tick dormant expire reply save))
5247 (when (or (< (setq article (pop articles)) min) (> article max))
5248 (set var (delq article (symbol-value var)))))))
5250 ((eq mark-type 'tuple)
5251 (set var (setq articles (cdr marks)))
5252 (when (not (listp (cdr (symbol-value var))))
5253 (set var (list (symbol-value var))))
5254 (when (not (listp (cdr articles)))
5255 (setq articles (list articles)))
5257 (when (or (not (consp (setq article (pop articles))))
5258 (< (car article) min)
5259 (> (car article) max))
5260 (set var (delq article (symbol-value var))))))
5261 ;; Adjust ranges (sloppily).
5262 ((eq mark-type 'range)
5265 ;; Fix the record for `seen' if it looks like (seen NUM1 . NUM2).
5266 ;; It should be (seen (NUM1 . NUM2)).
5267 (when (numberp (cddr marks))
5268 (setcdr marks (list (cdr marks))))
5269 (setq articles (cdr marks))
5270 (while (and articles
5271 (or (and (consp (car articles))
5272 (> min (cdar articles)))
5273 (and (numberp (car articles))
5274 (> min (car articles)))))
5276 (set var articles))))))))
5278 (defun gnus-update-missing-marks (missing)
5279 "Go through the list of MISSING articles and remove them from the mark lists."
5282 ;; Go through all types.
5283 (dolist (elem gnus-article-mark-lists)
5284 (when (eq (gnus-article-mark-to-type (cdr elem)) 'list)
5285 (setq var (intern (format "gnus-newsgroup-%s" (car elem))))
5286 (when (symbol-value var)
5287 ;; This list has articles. So we delete all missing
5288 ;; articles from it.
5291 (set var (delq (pop m) (symbol-value var))))))))))
5293 (defun gnus-update-marks ()
5294 "Enter the various lists of marked articles into the newsgroup info list."
5295 (let ((types gnus-article-mark-lists)
5296 (info (gnus-get-info gnus-newsgroup-name))
5297 type list newmarked symbol delta-marks)
5299 ;; Add all marks lists to the list of marks lists.
5300 (while (setq type (pop types))
5301 (setq list (symbol-value
5303 (intern (format "gnus-newsgroup-%s" (car type))))))
5306 ;; Get rid of the entries of the articles that have the
5308 (when (and (eq (cdr type) 'score)
5312 (prev (cons nil list))
5315 (if (or (not (consp (car arts)))
5316 (= (cdar arts) gnus-summary-default-score))
5317 (setcdr prev (cdr arts))
5319 (setq arts (cdr arts)))
5320 (setq list (cdr all)))))
5322 (when (eq (cdr type) 'seen)
5323 (setq list (gnus-range-add list gnus-newsgroup-unseen)))
5325 (when (eq (gnus-article-mark-to-type (cdr type)) 'list)
5326 (setq list (gnus-compress-sequence (set symbol (sort list '<)) t)))
5328 (when (and (gnus-check-backend-function
5329 'request-set-mark gnus-newsgroup-name)
5330 (not (gnus-article-unpropagatable-p (cdr type))))
5331 (let* ((old (cdr (assq (cdr type) (gnus-info-marks info))))
5332 (del (gnus-remove-from-range (gnus-copy-sequence old) list))
5333 (add (gnus-remove-from-range
5334 (gnus-copy-sequence list) old)))
5336 (push (list add 'add (list (cdr type))) delta-marks))
5338 (push (list del 'del (list (cdr type))) delta-marks))))
5341 (push (cons (cdr type) list) newmarked)))
5344 (unless (gnus-check-group gnus-newsgroup-name)
5345 (error "Can't open server for %s" gnus-newsgroup-name))
5346 (gnus-request-set-mark gnus-newsgroup-name delta-marks))
5348 ;; Enter these new marks into the info of the group.
5350 (setcar (nthcdr 3 info) newmarked)
5351 ;; Add the marks lists to the end of the info.
5353 (setcdr (nthcdr 2 info) (list newmarked))))
5355 ;; Cut off the end of the info if there's nothing else there.
5359 (when (nthcdr (decf i) info)
5360 (setcdr (nthcdr i info) nil)))))))
5362 (defun gnus-set-mode-line (where)
5363 "Set the mode line of the article or summary buffers.
5364 If WHERE is `summary', the summary mode line format will be used."
5365 ;; Is this mode line one we keep updated?
5366 (when (and (memq where gnus-updated-mode-lines)
5368 (intern (format "gnus-%s-mode-line-format-spec" where))))
5371 ;; We evaluate this in the summary buffer since these
5372 ;; variables are buffer-local to that buffer.
5373 (set-buffer gnus-summary-buffer)
5374 ;; We bind all these variables that are used in the `eval' form
5376 (let* ((mformat (symbol-value
5378 (format "gnus-%s-mode-line-format-spec" where))))
5379 (gnus-tmp-group-name (gnus-group-decoded-name
5380 gnus-newsgroup-name))
5381 (gnus-tmp-article-number (or gnus-current-article 0))
5382 (gnus-tmp-unread gnus-newsgroup-unreads)
5383 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
5384 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
5385 (gnus-tmp-unread-and-unselected
5386 (cond ((and (zerop gnus-tmp-unread-and-unticked)
5387 (zerop gnus-tmp-unselected))
5389 ((zerop gnus-tmp-unselected)
5390 (format "{%d more}" gnus-tmp-unread-and-unticked))
5391 (t (format "{%d(+%d) more}"
5392 gnus-tmp-unread-and-unticked
5393 gnus-tmp-unselected))))
5395 (if (and gnus-current-headers
5396 (vectorp gnus-current-headers))
5397 (gnus-mode-string-quote
5398 (mail-header-subject gnus-current-headers))
5400 bufname-length max-len
5401 gnus-tmp-header) ;; passed as argument to any user-format-funcs
5402 (setq mode-string (eval mformat))
5403 (setq bufname-length (if (string-match "%b" mode-string)
5406 (if (eq where 'summary)
5408 (get-buffer gnus-article-buffer))))
5411 (setq max-len (max 4 (if gnus-mode-non-string-length
5413 gnus-mode-non-string-length
5415 (length mode-string))))
5416 ;; We might have to chop a bit of the string off...
5417 (when (> (length mode-string) max-len)
5419 (concat (truncate-string-to-width mode-string (- max-len 3))
5421 ;; Pad the mode string a bit.
5422 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
5423 ;; Update the mode line.
5424 (setq mode-line-buffer-identification
5425 (gnus-mode-line-buffer-identification (list mode-string)))
5426 (set-buffer-modified-p t))))
5428 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
5429 "Go through the HEADERS list and add all Xrefs to a hash table.
5430 The resulting hash table is returned, or nil if no Xrefs were found."
5431 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
5432 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
5433 (xref-hashtb (gnus-make-hashtable))
5434 start group entry number xrefs header)
5436 (setq header (pop headers))
5437 (when (and (setq xrefs (mail-header-xref header))
5438 (not (memq (setq number (mail-header-number header))
5441 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
5442 (setq start (match-end 0))
5443 (setq group (if prefix
5444 (concat prefix (substring xrefs (match-beginning 1)
5446 (substring xrefs (match-beginning 1) (match-end 1))))
5448 (string-to-int (substring xrefs (match-beginning 2)
5450 (if (setq entry (gnus-gethash group xref-hashtb))
5451 (setcdr entry (cons number (cdr entry)))
5452 (gnus-sethash group (cons number nil) xref-hashtb)))))
5453 (and start xref-hashtb)))
5455 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
5456 "Look through all the headers and mark the Xrefs as read."
5457 (let ((virtual (gnus-virtual-group-p from-newsgroup))
5458 name entry info xref-hashtb idlist method nth4)
5460 (set-buffer gnus-group-buffer)
5461 (when (setq xref-hashtb
5462 (gnus-create-xref-hashtb from-newsgroup headers unreads))
5465 (unless (string= from-newsgroup (setq name (symbol-name group)))
5466 (setq idlist (symbol-value group))
5467 ;; Dead groups are not updated.
5469 (setq entry (gnus-gethash name gnus-newsrc-hashtb)
5471 (when (stringp (setq nth4 (gnus-info-method info)))
5472 (setq nth4 (gnus-server-to-method nth4))))
5473 ;; Only do the xrefs if the group has the same
5474 ;; select method as the group we have just read.
5475 (or (gnus-methods-equal-p
5476 nth4 (gnus-find-method-for-group from-newsgroup))
5478 (equal nth4 (setq method (gnus-find-method-for-group
5480 (and (equal (car nth4) (car method))
5481 (equal (nth 1 nth4) (nth 1 method))))
5482 gnus-use-cross-reference
5483 (or (not (eq gnus-use-cross-reference t))
5485 ;; Only do cross-references on subscribed
5486 ;; groups, if that is what is wanted.
5487 (<= (gnus-info-level info) gnus-level-subscribed))
5488 (gnus-group-make-articles-read name idlist))))
5491 (defun gnus-compute-read-articles (group articles)
5492 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
5493 (info (nth 2 entry))
5494 (active (gnus-active group))
5497 ;; First peel off all invalid article numbers.
5499 (let ((ids articles)
5501 (while (setq id (pop ids))
5502 (when (and first (> id (cdr active)))
5503 ;; We'll end up in this situation in one particular
5504 ;; obscure situation. If you re-scan a group and get
5505 ;; a new article that is cross-posted to a different
5506 ;; group that has not been re-scanned, you might get
5507 ;; crossposted article that has a higher number than
5508 ;; Gnus believes possible. So we re-activate this
5509 ;; group as well. This might mean doing the
5510 ;; crossposting thingy will *increase* the number
5511 ;; of articles in some groups. Tsk, tsk.
5512 (setq active (or (gnus-activate-group group) active)))
5513 (when (or (> id (cdr active))
5514 (< id (car active)))
5515 (setq articles (delq id articles))))))
5516 ;; If the read list is nil, we init it.
5518 (null (gnus-info-read info))
5520 (setq ninfo (cons 1 (1- (car active))))
5521 (setq ninfo (gnus-info-read info)))
5522 ;; Then we add the read articles to the range.
5524 ninfo (setq articles (sort articles '<))))))
5526 (defun gnus-group-make-articles-read (group articles)
5527 "Update the info of GROUP to say that ARTICLES are read."
5529 (entry (gnus-gethash group gnus-newsrc-hashtb))
5530 (info (nth 2 entry))
5531 (active (gnus-active group))
5534 (setq range (gnus-compute-read-articles group articles))
5536 (set-buffer gnus-group-buffer)
5539 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
5540 (gnus-info-set-read ',info ',(gnus-info-read info))
5541 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
5542 (gnus-request-set-mark ,group (list (list ',range 'del '(read))))
5543 (gnus-group-update-group ,group t))))
5544 ;; Add the read articles to the range.
5545 (gnus-info-set-read info range)
5546 (gnus-request-set-mark group (list (list range 'add '(read))))
5547 ;; Then we have to re-compute how many unread
5548 ;; articles there are in this group.
5552 (setq num (- (1+ (cdr active)) (car active))))
5553 ((not (listp (cdr range)))
5554 (setq num (- (cdr active) (- (1+ (cdr range))
5558 (if (numberp (car range))
5560 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
5561 (setq range (cdr range)))
5562 (setq num (- (cdr active) num))))
5563 ;; Update the number of unread articles.
5565 ;; Update the group buffer.
5566 (unless (gnus-ephemeral-group-p group)
5567 (gnus-group-update-group group t))))))
5569 (defvar gnus-newsgroup-none-id 0)
5571 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
5572 (let ((cur nntp-server-buffer)
5575 (save-excursion (set-buffer gnus-summary-buffer)
5576 gnus-newsgroup-dependencies)))
5578 (mail-parse-charset gnus-newsgroup-charset)
5579 (mail-parse-ignored-charsets
5580 (save-excursion (condition-case nil
5581 (set-buffer gnus-summary-buffer)
5583 gnus-newsgroup-ignored-charsets)))
5585 (set-buffer nntp-server-buffer)
5586 ;; Translate all TAB characters into SPACE characters.
5587 (subst-char-in-region (point-min) (point-max) ?\t ? t)
5588 (subst-char-in-region (point-min) (point-max) ?\r ? t)
5589 (gnus-run-hooks 'gnus-parse-headers-hook)
5590 (let ((case-fold-search t)
5591 in-reply-to header p lines chars)
5592 (goto-char (point-min))
5593 ;; Search to the beginning of the next header. Error messages
5594 ;; do not begin with 2 or 3.
5595 (while (re-search-forward "^[23][0-9]+ " nil t)
5598 ;; This implementation of this function, with nine
5599 ;; search-forwards instead of the one re-search-forward and
5600 ;; a case (which basically was the old function) is actually
5601 ;; about twice as fast, even though it looks messier. You
5602 ;; can't have everything, I guess. Speed and elegance
5603 ;; doesn't always go hand in hand.
5612 (narrow-to-region (point)
5613 (or (and (search-forward "\n.\n" nil t)
5619 (if (search-forward "\nsubject:" nil t)
5620 (funcall gnus-decode-encoded-word-function
5621 (nnheader-header-value))
5626 (if (search-forward "\nfrom:" nil t)
5627 (funcall gnus-decode-encoded-word-function
5628 (nnheader-header-value))
5633 (if (search-forward "\ndate:" nil t)
5634 (nnheader-header-value) ""))
5638 (setq id (if (re-search-forward
5639 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
5640 ;; We do it this way to make sure the Message-ID
5641 ;; is (somewhat) syntactically valid.
5642 (buffer-substring (match-beginning 1)
5644 ;; If there was no message-id, we just fake one
5645 ;; to make subsequent routines simpler.
5646 (nnheader-generate-fake-message-id))))
5650 (if (search-forward "\nreferences:" nil t)
5654 (nnheader-header-value)
5659 (search-backward ">" end t)
5662 (search-backward "<" end t)
5664 ;; Get the references from the in-reply-to header if there
5665 ;; were no references and the in-reply-to header looks
5667 (if (and (search-forward "\nin-reply-to:" nil t)
5668 (setq in-reply-to (nnheader-header-value))
5669 (string-match "<[^>]+>" in-reply-to))
5671 (setq ref (substring in-reply-to (match-beginning 0)
5673 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
5674 (setq ref2 (substring in-reply-to (match-beginning 0)
5676 (when (> (length ref2) (length ref))
5683 (if (search-forward "\nchars: " nil t)
5684 (if (numberp (setq chars (ignore-errors (read cur))))
5690 (if (search-forward "\nlines: " nil t)
5691 (if (numberp (setq lines (ignore-errors (read cur))))
5697 (and (search-forward "\nxref:" nil t)
5698 (nnheader-header-value)))
5700 (when gnus-extra-headers
5701 (let ((extra gnus-extra-headers)
5705 (when (search-forward
5706 (concat "\n" (symbol-name (car extra)) ":") nil t)
5707 (push (cons (car extra) (nnheader-header-value))
5711 (when (equal id ref)
5714 (when gnus-alter-header-function
5715 (funcall gnus-alter-header-function header)
5716 (setq id (mail-header-id header)
5717 ref (gnus-parent-id (mail-header-references header))))
5720 (gnus-dependencies-add-header
5721 header dependencies force-new))
5722 (push header headers))
5723 (goto-char (point-max))
5725 (nreverse headers)))))
5727 ;; Goes through the xover lines and returns a list of vectors
5728 (defun gnus-get-newsgroup-headers-xover (sequence &optional
5729 force-new dependencies
5730 group also-fetch-heads)
5731 "Parse the news overview data in the server buffer.
5732 Return a list of headers that match SEQUENCE (see
5733 `nntp-retrieve-headers')."
5734 ;; Get the Xref when the users reads the articles since most/some
5735 ;; NNTP servers do not include Xrefs when using XOVER.
5736 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
5737 (let ((mail-parse-charset gnus-newsgroup-charset)
5738 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
5739 (cur nntp-server-buffer)
5740 (dependencies (or dependencies gnus-newsgroup-dependencies))
5742 ((eq gnus-read-all-available-headers t)
5744 ((stringp gnus-read-all-available-headers)
5745 (string-match gnus-read-all-available-headers group))
5748 number headers header)
5750 (set-buffer nntp-server-buffer)
5751 (subst-char-in-region (point-min) (point-max) ?\r ? t)
5752 ;; Allow the user to mangle the headers before parsing them.
5753 (gnus-run-hooks 'gnus-parse-headers-hook)
5754 (goto-char (point-min))
5755 (gnus-parse-without-error
5756 (while (and (or sequence allp)
5758 (setq number (read cur))
5760 (while (and sequence
5761 (< (car sequence) number))
5762 (setq sequence (cdr sequence))))
5765 (eq number (car sequence))))
5767 (setq sequence (cdr sequence))
5768 (setq header (inline
5769 (gnus-nov-parse-line
5770 number dependencies force-new)))))
5771 (push header headers))
5773 ;; A common bug in inn is that if you have posted an article and
5774 ;; then retrieves the active file, it will answer correctly --
5775 ;; the new article is included. However, a NOV entry for the
5776 ;; article may not have been generated yet, so this may fail.
5777 ;; We work around this problem by retrieving the last few
5778 ;; headers using HEAD.
5779 (if (or (not also-fetch-heads)
5781 ;; We (probably) got all the headers.
5783 (let ((gnus-nov-is-evil t))
5786 (when (eq (gnus-retrieve-headers sequence group) 'headers)
5787 (gnus-get-newsgroup-headers))))))))
5789 (defun gnus-article-get-xrefs ()
5790 "Fill in the Xref value in `gnus-current-headers', if necessary.
5791 This is meant to be called in `gnus-article-internal-prepare-hook'."
5792 (let ((headers (save-excursion (set-buffer gnus-summary-buffer)
5793 gnus-current-headers)))
5794 (or (not gnus-use-cross-reference)
5796 (and (mail-header-xref headers)
5797 (not (string= (mail-header-xref headers) "")))
5798 (let ((case-fold-search t)
5801 (nnheader-narrow-to-headers)
5802 (goto-char (point-min))
5803 (when (or (and (not (eobp))
5804 (eq (downcase (char-after)) ?x)
5805 (looking-at "Xref:"))
5806 (search-forward "\nXref:" nil t))
5807 (goto-char (1+ (match-end 0)))
5808 (setq xref (buffer-substring (point)
5809 (progn (end-of-line) (point))))
5810 (mail-header-set-xref headers xref)))))))
5812 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
5813 "Find article ID and insert the summary line for that article.
5814 OLD-HEADER can either be a header or a line number to insert
5815 the subject line on."
5816 (let* ((line (and (numberp old-header) old-header))
5817 (old-header (and (vectorp old-header) old-header))
5818 (header (cond ((and old-header use-old-header)
5821 (gnus-number-to-header id))
5822 (gnus-number-to-header id))
5824 (gnus-read-header id))))
5825 (number (and (numberp id) id))
5828 ;; Rebuild the thread that this article is part of and go to the
5829 ;; article we have fetched.
5830 (when (and (not gnus-show-threads)
5833 (setq d (gnus-data-find (mail-header-number old-header))))
5834 (goto-char (gnus-data-pos d))
5837 (- (gnus-point-at-bol)
5839 (1+ (gnus-point-at-eol))
5840 (gnus-delete-line))))))
5842 (mail-header-set-number header (mail-header-number old-header)))
5843 (setq gnus-newsgroup-sparse
5844 (delq (setq number (mail-header-number header))
5845 gnus-newsgroup-sparse))
5846 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
5847 (push number gnus-newsgroup-limit)
5848 (gnus-rebuild-thread (mail-header-id header) line)
5849 (gnus-summary-goto-subject number nil t))
5850 (when (and (numberp number)
5852 ;; We have to update the boundaries even if we can't fetch the
5853 ;; article if ID is a number -- so that the next `P' or `N'
5854 ;; command will fetch the previous (or next) article even
5855 ;; if the one we tried to fetch this time has been canceled.
5856 (when (> number gnus-newsgroup-end)
5857 (setq gnus-newsgroup-end number))
5858 (when (< number gnus-newsgroup-begin)
5859 (setq gnus-newsgroup-begin number))
5860 (setq gnus-newsgroup-unselected
5861 (delq number gnus-newsgroup-unselected)))
5862 ;; Report back a success?
5863 (and header (mail-header-number header))))
5865 ;;; Process/prefix in the summary buffer
5867 (defun gnus-summary-work-articles (n)
5868 "Return a list of articles to be worked upon.
5869 The prefix argument, the list of process marked articles, and the
5870 current article will be taken into consideration."
5872 (set-buffer gnus-summary-buffer)
5875 ;; A numerical prefix has been given.
5876 (setq n (prefix-numeric-value n))
5877 (let ((backward (< n 0))
5878 (n (abs (prefix-numeric-value n)))
5883 (push (setq article (gnus-summary-article-number))
5886 (gnus-summary-find-prev nil article)
5887 (gnus-summary-find-next nil article)))
5889 (nreverse articles)))
5890 ((and (gnus-region-active-p) (mark))
5891 (message "region active")
5892 ;; Work on the region between point and mark.
5893 (let ((max (max (point) (mark)))
5896 (goto-char (min (min (point) (mark))))
5899 (push (setq article (gnus-summary-article-number)) articles)
5900 (gnus-summary-find-next nil article)
5902 (nreverse articles))))
5903 (gnus-newsgroup-processable
5904 ;; There are process-marked articles present.
5905 ;; Save current state.
5906 (gnus-summary-save-process-mark)
5908 (reverse gnus-newsgroup-processable))
5910 ;; Just return the current article.
5911 (list (gnus-summary-article-number))))))
5913 (defmacro gnus-summary-iterate (arg &rest forms)
5914 "Iterate over the process/prefixed articles and do FORMS.
5915 ARG is the interactive prefix given to the command. FORMS will be
5916 executed with point over the summary line of the articles."
5917 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
5918 `(let ((,articles (gnus-summary-work-articles ,arg)))
5920 (gnus-summary-goto-subject (car ,articles))
5924 (put 'gnus-summary-iterate 'lisp-indent-function 1)
5925 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
5927 (defun gnus-summary-save-process-mark ()
5928 "Push the current set of process marked articles on the stack."
5930 (push (copy-sequence gnus-newsgroup-processable)
5931 gnus-newsgroup-process-stack))
5933 (defun gnus-summary-kill-process-mark ()
5934 "Push the current set of process marked articles on the stack and unmark."
5936 (gnus-summary-save-process-mark)
5937 (gnus-summary-unmark-all-processable))
5939 (defun gnus-summary-yank-process-mark ()
5940 "Pop the last process mark state off the stack and restore it."
5942 (unless gnus-newsgroup-process-stack
5943 (error "Empty mark stack"))
5944 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
5946 (defun gnus-summary-process-mark-set (set)
5947 "Make SET into the current process marked articles."
5948 (gnus-summary-unmark-all-processable)
5950 (gnus-summary-set-process-mark (pop set))))
5952 ;;; Searching and stuff
5954 (defun gnus-summary-search-group (&optional backward use-level)
5955 "Search for next unread newsgroup.
5956 If optional argument BACKWARD is non-nil, search backward instead."
5958 (set-buffer gnus-group-buffer)
5959 (when (gnus-group-search-forward
5960 backward nil (if use-level (gnus-group-group-level) nil))
5961 (gnus-group-group-name))))
5963 (defun gnus-summary-best-group (&optional exclude-group)
5964 "Find the name of the best unread group.
5965 If EXCLUDE-GROUP, do not go to this group."
5967 (set-buffer gnus-group-buffer)
5969 (gnus-group-best-unread-group exclude-group))))
5971 (defun gnus-summary-find-next (&optional unread article backward undownloaded)
5972 (if backward (gnus-summary-find-prev)
5973 (let* ((dummy (gnus-summary-article-intangible-p))
5974 (article (or article (gnus-summary-article-number)))
5975 (arts (gnus-data-find-list article))
5977 (when (and (not dummy)
5978 (or (not gnus-summary-check-current)
5980 (not (gnus-data-unread-p (car arts)))))
5981 (setq arts (cdr arts)))
5986 (when (or (and undownloaded
5987 (memq (car arts) gnus-newsgroup-undownloaded))
5988 (gnus-data-unread-p (car arts)))
5989 (setq result (car arts)
5991 (setq arts (cdr arts)))
5994 (goto-char (gnus-data-pos result))
5995 (gnus-data-number result)))))
5997 (defun gnus-summary-find-prev (&optional unread article)
5998 (let* ((eobp (eobp))
5999 (article (or article (gnus-summary-article-number)))
6000 (arts (gnus-data-find-list article (gnus-data-list 'rev)))
6002 (when (and (not eobp)
6003 (or (not gnus-summary-check-current)
6005 (not (gnus-data-unread-p (car arts)))))
6006 (setq arts (cdr arts)))
6011 (when (gnus-data-unread-p (car arts))
6012 (setq result (car arts)
6014 (setq arts (cdr arts)))
6017 (goto-char (gnus-data-pos result))
6018 (gnus-data-number result))))
6020 (defun gnus-summary-find-subject (subject &optional unread backward article)
6021 (let* ((simp-subject (gnus-simplify-subject-fully subject))
6022 (article (or article (gnus-summary-article-number)))
6023 (articles (gnus-data-list backward))
6024 (arts (gnus-data-find-list article articles))
6026 (when (or (not gnus-summary-check-current)
6028 (not (gnus-data-unread-p (car arts))))
6029 (setq arts (cdr arts)))
6031 (and (or (not unread)
6032 (gnus-data-unread-p (car arts)))
6033 (vectorp (gnus-data-header (car arts)))
6035 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
6036 (setq result (car arts)
6038 (setq arts (cdr arts)))
6040 (goto-char (gnus-data-pos result))
6041 (gnus-data-number result))))
6043 (defun gnus-summary-search-forward (&optional unread subject backward)
6044 "Search forward for an article.
6045 If UNREAD, look for unread articles. If SUBJECT, look for
6046 articles with that subject. If BACKWARD, search backward instead."
6047 (cond (subject (gnus-summary-find-subject subject unread backward))
6048 (backward (gnus-summary-find-prev unread))
6049 (t (gnus-summary-find-next unread))))
6051 (defun gnus-recenter (&optional n)
6052 "Center point in window and redisplay frame.
6053 Also do horizontal recentering."
6055 (when (and gnus-auto-center-summary
6056 (not (eq gnus-auto-center-summary 'vertical)))
6057 (gnus-horizontal-recenter))
6060 (defun gnus-summary-recenter ()
6061 "Center point in the summary window.
6062 If `gnus-auto-center-summary' is nil, or the article buffer isn't
6063 displayed, no centering will be performed."
6064 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
6065 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
6067 (let* ((top (cond ((< (window-height) 4) 0)
6068 ((< (window-height) 7) 1)
6069 (t (if (numberp gnus-auto-center-summary)
6070 gnus-auto-center-summary
6072 (height (1- (window-height)))
6073 (bottom (save-excursion (goto-char (point-max))
6074 (forward-line (- height))
6076 (window (get-buffer-window (current-buffer))))
6077 ;; The user has to want it.
6078 (when gnus-auto-center-summary
6079 (when (get-buffer-window gnus-article-buffer)
6080 ;; Only do recentering when the article buffer is displayed,
6081 ;; Set the window start to either `bottom', which is the biggest
6082 ;; possible valid number, or the second line from the top,
6083 ;; whichever is the least.
6084 (let ((top-pos (save-excursion (forward-line (- top)) (point))))
6085 (if (> bottom top-pos)
6086 ;; Keep the second line from the top visible
6087 (set-window-start window top-pos t)
6088 ;; Try to keep the bottom line visible; if it's partially
6089 ;; obscured, either scroll one more line to make it fully
6090 ;; visible, or revert to using TOP-POS.
6092 (goto-char (point-max))
6094 (let ((last-line-start (point)))
6096 (set-window-start window (point) t)
6097 (when (not (pos-visible-in-window-p last-line-start window))
6099 (set-window-start window (min (point) top-pos) t)))))))
6100 ;; Do horizontal recentering while we're at it.
6101 (when (and (get-buffer-window (current-buffer) t)
6102 (not (eq gnus-auto-center-summary 'vertical)))
6103 (let ((selected (selected-window)))
6104 (select-window (get-buffer-window (current-buffer) t))
6105 (gnus-summary-position-point)
6106 (gnus-horizontal-recenter)
6107 (select-window selected))))))
6109 (defun gnus-summary-jump-to-group (newsgroup)
6110 "Move point to NEWSGROUP in group mode buffer."
6111 ;; Keep update point of group mode buffer if visible.
6112 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
6113 (save-window-excursion
6114 ;; Take care of tree window mode.
6115 (when (get-buffer-window gnus-group-buffer)
6116 (pop-to-buffer gnus-group-buffer))
6117 (gnus-group-jump-to-group newsgroup))
6119 ;; Take care of tree window mode.
6120 (if (get-buffer-window gnus-group-buffer)
6121 (pop-to-buffer gnus-group-buffer)
6122 (set-buffer gnus-group-buffer))
6123 (gnus-group-jump-to-group newsgroup))))
6125 ;; This function returns a list of article numbers based on the
6126 ;; difference between the ranges of read articles in this group and
6127 ;; the range of active articles.
6128 (defun gnus-list-of-unread-articles (group)
6129 (let* ((read (gnus-info-read (gnus-get-info group)))
6130 (active (or (gnus-active group) (gnus-activate-group group)))
6133 ;; If none are read, then all are unread.
6135 (setq first (car active))
6136 ;; If the range of read articles is a single range, then the
6137 ;; first unread article is the article after the last read
6138 ;; article. Sounds logical, doesn't it?
6139 (if (and (not (listp (cdr read)))
6140 (or (< (car read) (car active))
6141 (progn (setq read (list read))
6143 (setq first (max (car active) (1+ (cdr read))))
6144 ;; `read' is a list of ranges.
6145 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6148 (setq first (car active)))
6151 (while (< first nlast)
6153 (setq first (1+ first))))
6154 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6155 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6156 (setq read (cdr read)))))
6157 ;; And add the last unread articles.
6158 (while (<= first last)
6160 (setq first (1+ first)))
6161 ;; Return the list of unread articles.
6162 (delq 0 (nreverse unread))))
6164 (defun gnus-list-of-read-articles (group)
6165 "Return a list of unread, unticked and non-dormant articles."
6166 (let* ((info (gnus-get-info group))
6167 (marked (gnus-info-marks info))
6168 (active (gnus-active group)))
6170 (gnus-list-range-difference
6171 (gnus-list-range-difference
6172 (gnus-sorted-complement
6173 (gnus-uncompress-range active)
6174 (gnus-list-of-unread-articles group))
6175 (cdr (assq 'dormant marked)))
6176 (cdr (assq 'tick marked))))))
6178 ;; Various summary commands
6180 (defun gnus-summary-select-article-buffer ()
6181 "Reconfigure windows to show article buffer."
6183 (if (not (gnus-buffer-live-p gnus-article-buffer))
6184 (error "There is no article buffer for this summary buffer")
6185 (gnus-configure-windows 'article)
6186 (select-window (get-buffer-window gnus-article-buffer))))
6188 (defun gnus-summary-universal-argument (arg)
6189 "Perform any operation on all articles that are process/prefixed."
6191 (let ((articles (gnus-summary-work-articles arg))
6198 (substitute-command-keys
6199 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"))))
6201 (gnus-error 1 "Undefined key")
6204 (gnus-summary-goto-subject (setq article (pop articles)))
6205 (let (gnus-newsgroup-processable)
6206 (command-execute func))
6207 (gnus-summary-remove-process-mark article)))))
6208 (gnus-summary-position-point))
6210 (defun gnus-summary-toggle-truncation (&optional arg)
6211 "Toggle truncation of summary lines.
6212 With arg, turn line truncation on if arg is positive."
6214 (setq truncate-lines
6215 (if (null arg) (not truncate-lines)
6216 (> (prefix-numeric-value arg) 0)))
6219 (defun gnus-summary-find-uncancelled ()
6220 "Return the number of an uncancelled article.
6221 The current article is considered, then following articles, then previous
6222 articles. If all articles are cancelled then return a dummy 0."
6224 (dolist (rev '(nil t))
6225 (unless found ; don't demand the reverse list if we don't need it
6226 (let ((data (gnus-data-find-list
6227 (gnus-summary-article-number) (gnus-data-list rev))))
6228 (while (and data (not found))
6229 (if (not (eq gnus-canceled-mark (gnus-data-mark (car data))))
6230 (setq found (gnus-data-number (car data))))
6231 (setq data (cdr data))))))
6234 (defun gnus-summary-reselect-current-group (&optional all rescan)
6235 "Exit and then reselect the current newsgroup.
6236 The prefix argument ALL means to select all articles."
6238 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
6239 (error "Ephemeral groups can't be reselected"))
6240 (let ((current-subject (gnus-summary-find-uncancelled))
6241 (group gnus-newsgroup-name))
6242 (setq gnus-newsgroup-begin nil)
6244 ;; We have to adjust the point of group mode buffer because
6245 ;; point was moved to the next unread newsgroup by exiting.
6246 (gnus-summary-jump-to-group group)
6249 (gnus-group-get-new-news-this-group 1)))
6250 (gnus-group-read-group all t)
6251 (gnus-summary-goto-subject current-subject nil t)))
6253 (defun gnus-summary-rescan-group (&optional all)
6254 "Exit the newsgroup, ask for new articles, and select the newsgroup."
6256 (gnus-summary-reselect-current-group all t))
6258 (defun gnus-summary-update-info (&optional non-destructive)
6260 (let ((group gnus-newsgroup-name))
6262 (when gnus-newsgroup-kill-headers
6263 (setq gnus-newsgroup-killed
6264 (gnus-compress-sequence
6266 (gnus-list-range-intersection
6267 gnus-newsgroup-unselected gnus-newsgroup-killed)
6268 gnus-newsgroup-unreads)
6270 (unless (listp (cdr gnus-newsgroup-killed))
6271 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
6272 (let ((headers gnus-newsgroup-headers))
6273 ;; Set the new ranges of read articles.
6275 (set-buffer gnus-group-buffer)
6276 (gnus-undo-force-boundary))
6277 (gnus-update-read-articles
6278 group (gnus-sorted-union
6279 gnus-newsgroup-unreads gnus-newsgroup-unselected))
6280 ;; Set the current article marks.
6281 (let ((gnus-newsgroup-scored
6282 (if (and (not gnus-save-score)
6283 (not non-destructive))
6285 gnus-newsgroup-scored)))
6287 (gnus-update-marks)))
6288 ;; Do the cross-ref thing.
6289 (when gnus-use-cross-reference
6290 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
6291 ;; Do not switch windows but change the buffer to work.
6292 (set-buffer gnus-group-buffer)
6293 (unless (gnus-ephemeral-group-p group)
6294 (gnus-group-update-group group)))))))
6296 (defun gnus-summary-save-newsrc (&optional force)
6297 "Save the current number of read/marked articles in the dribble buffer.
6298 The dribble buffer will then be saved.
6299 If FORCE (the prefix), also save the .newsrc file(s)."
6301 (gnus-summary-update-info t)
6303 (gnus-save-newsrc-file)
6304 (gnus-dribble-save)))
6306 (defun gnus-summary-exit (&optional temporary)
6307 "Exit reading current newsgroup, and then return to group selection mode.
6308 `gnus-exit-group-hook' is called with no arguments if that value is non-nil."
6310 (gnus-set-global-variables)
6311 (when (gnus-buffer-live-p gnus-article-buffer)
6313 (set-buffer gnus-article-buffer)
6314 (mm-destroy-parts gnus-article-mime-handles)
6315 ;; Set it to nil for safety reason.
6316 (setq gnus-article-mime-handle-alist nil)
6317 (setq gnus-article-mime-handles nil)))
6318 (gnus-kill-save-kill-buffer)
6319 (gnus-async-halt-prefetch)
6320 (let* ((group gnus-newsgroup-name)
6321 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
6322 (gnus-group-is-exiting-p t)
6325 (buf (current-buffer)))
6327 ;; Do adaptive scoring, and possibly save score files.
6328 (when gnus-newsgroup-adaptive
6329 (gnus-score-adaptive))
6330 (when gnus-use-scoring
6332 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
6333 ;; If we have several article buffers, we kill them at exit.
6334 (unless gnus-single-article-buffer
6335 (gnus-kill-buffer gnus-original-article-buffer)
6336 (setq gnus-article-current nil))
6337 (when gnus-use-cache
6338 (gnus-cache-possibly-remove-articles)
6339 (gnus-cache-save-buffers))
6340 (gnus-async-prefetch-remove-group group)
6341 (when gnus-suppress-duplicates
6342 (gnus-dup-enter-articles))
6343 (when gnus-use-trees
6344 (gnus-tree-close group))
6345 (when gnus-use-cache
6346 (gnus-cache-write-active))
6347 ;; Remove entries for this group.
6348 (nnmail-purge-split-history (gnus-group-real-name group))
6349 ;; Make all changes in this group permanent.
6351 (gnus-run-hooks 'gnus-exit-group-hook)
6352 (gnus-summary-update-info))
6353 (gnus-close-group group)
6354 ;; Make sure where we were, and go to next newsgroup.
6355 (set-buffer gnus-group-buffer)
6357 (gnus-group-jump-to-group group))
6358 (gnus-run-hooks 'gnus-summary-exit-hook)
6359 (unless (or quit-config
6360 ;; If this group has disappeared from the summary
6361 ;; buffer, don't skip forwards.
6362 (not (string= group (gnus-group-group-name))))
6363 (gnus-group-next-unread-group 1))
6364 (setq group-point (point))
6367 ;; If we have several article buffers, we kill them at exit.
6368 (unless gnus-single-article-buffer
6369 (gnus-kill-buffer gnus-article-buffer)
6370 (gnus-kill-buffer gnus-original-article-buffer)
6371 (setq gnus-article-current nil))
6373 (if (not gnus-kill-summary-on-exit)
6375 (gnus-deaden-summary)
6377 ;; We set all buffer-local variables to nil. It is unclear why
6378 ;; this is needed, but if we don't, buffer-local variables are
6379 ;; not garbage-collected, it seems. This would the lead to en
6380 ;; ever-growing Emacs.
6381 (gnus-summary-clear-local-variables)
6382 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6383 (gnus-summary-clear-local-variables))
6384 (when (get-buffer gnus-article-buffer)
6385 (bury-buffer gnus-article-buffer))
6386 ;; We clear the global counterparts of the buffer-local
6387 ;; variables as well, just to be on the safe side.
6388 (set-buffer gnus-group-buffer)
6389 (gnus-summary-clear-local-variables)
6390 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6391 (gnus-summary-clear-local-variables)))
6392 (setq gnus-current-select-method gnus-select-method)
6393 (pop-to-buffer gnus-group-buffer)
6394 (if (not quit-config)
6396 (goto-char group-point)
6397 (gnus-configure-windows 'group 'force))
6398 (gnus-handle-ephemeral-exit quit-config))
6399 ;; Return to group mode buffer.
6400 (when (eq mode 'gnus-summary-mode)
6401 (gnus-kill-buffer buf))
6402 ;; Clear the current group name.
6404 (setq gnus-newsgroup-name nil)))))
6406 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
6407 (defun gnus-summary-exit-no-update (&optional no-questions)
6408 "Quit reading current newsgroup without updating read article info."
6410 (let* ((group gnus-newsgroup-name)
6411 (gnus-group-is-exiting-p t)
6412 (quit-config (gnus-group-quit-config group)))
6413 (when (or no-questions
6415 (gnus-y-or-n-p "Discard changes to this group and exit? "))
6416 (gnus-async-halt-prefetch)
6418 (delq 'gnus-summary-expire-articles
6419 (copy-sequence gnus-summary-prepare-exit-hook)))
6420 (when (gnus-buffer-live-p gnus-article-buffer)
6422 (set-buffer gnus-article-buffer)
6423 (mm-destroy-parts gnus-article-mime-handles)
6424 ;; Set it to nil for safety reason.
6425 (setq gnus-article-mime-handle-alist nil)
6426 (setq gnus-article-mime-handles nil)))
6427 ;; If we have several article buffers, we kill them at exit.
6428 (unless gnus-single-article-buffer
6429 (gnus-kill-buffer gnus-article-buffer)
6430 (gnus-kill-buffer gnus-original-article-buffer)
6431 (setq gnus-article-current nil))
6432 (if (not gnus-kill-summary-on-exit)
6433 (gnus-deaden-summary)
6434 (gnus-close-group group)
6435 (gnus-summary-clear-local-variables)
6436 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6437 (gnus-summary-clear-local-variables))
6438 (set-buffer gnus-group-buffer)
6439 (gnus-summary-clear-local-variables)
6440 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6441 (gnus-summary-clear-local-variables))
6442 (when (get-buffer gnus-summary-buffer)
6443 (kill-buffer gnus-summary-buffer)))
6444 (unless gnus-single-article-buffer
6445 (setq gnus-article-current nil))
6446 (when gnus-use-trees
6447 (gnus-tree-close group))
6448 (gnus-async-prefetch-remove-group group)
6449 (when (get-buffer gnus-article-buffer)
6450 (bury-buffer gnus-article-buffer))
6451 ;; Return to the group buffer.
6452 (gnus-configure-windows 'group 'force)
6453 ;; Clear the current group name.
6454 (setq gnus-newsgroup-name nil)
6455 (unless (gnus-ephemeral-group-p group)
6456 (gnus-group-update-group group))
6457 (when (equal (gnus-group-group-name) group)
6458 (gnus-group-next-unread-group 1))
6460 (gnus-handle-ephemeral-exit quit-config)))))
6462 (defun gnus-handle-ephemeral-exit (quit-config)
6463 "Handle movement when leaving an ephemeral group.
6464 The state which existed when entering the ephemeral is reset."
6465 (if (not (buffer-name (car quit-config)))
6466 (gnus-configure-windows 'group 'force)
6467 (set-buffer (car quit-config))
6468 (cond ((eq major-mode 'gnus-summary-mode)
6469 (gnus-set-global-variables))
6470 ((eq major-mode 'gnus-article-mode)
6472 ;; The `gnus-summary-buffer' variable may point
6473 ;; to the old summary buffer when using a single
6475 (unless (gnus-buffer-live-p gnus-summary-buffer)
6476 (set-buffer gnus-group-buffer))
6477 (set-buffer gnus-summary-buffer)
6478 (gnus-set-global-variables))))
6479 (if (or (eq (cdr quit-config) 'article)
6480 (eq (cdr quit-config) 'pick))
6482 ;; The current article may be from the ephemeral group
6483 ;; thus it is best that we reload this article
6484 (gnus-summary-show-article)
6485 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
6486 (gnus-configure-windows 'pick 'force)
6487 (gnus-configure-windows (cdr quit-config) 'force)))
6488 (gnus-configure-windows (cdr quit-config) 'force))
6489 (when (eq major-mode 'gnus-summary-mode)
6490 (gnus-summary-next-subject 1 nil t)
6491 (gnus-summary-recenter)
6492 (gnus-summary-position-point))))
6496 (defvar gnus-dead-summary-mode-map nil)
6498 (unless gnus-dead-summary-mode-map
6499 (setq gnus-dead-summary-mode-map (make-keymap))
6500 (suppress-keymap gnus-dead-summary-mode-map)
6501 (substitute-key-definition
6502 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
6503 (dolist (key '("\C-d" "\r" "\177" [delete]))
6504 (define-key gnus-dead-summary-mode-map
6505 key 'gnus-summary-wake-up-the-dead))
6506 (dolist (key '("q" "Q"))
6507 (define-key gnus-dead-summary-mode-map key 'bury-buffer)))
6509 (defvar gnus-dead-summary-mode nil
6510 "Minor mode for Gnus summary buffers.")
6512 (defun gnus-dead-summary-mode (&optional arg)
6513 "Minor mode for Gnus summary buffers."
6515 (when (eq major-mode 'gnus-summary-mode)
6516 (make-local-variable 'gnus-dead-summary-mode)
6517 (setq gnus-dead-summary-mode
6518 (if (null arg) (not gnus-dead-summary-mode)
6519 (> (prefix-numeric-value arg) 0)))
6520 (when gnus-dead-summary-mode
6521 (gnus-add-minor-mode
6522 'gnus-dead-summary-mode " Dead" gnus-dead-summary-mode-map))))
6524 (defun gnus-deaden-summary ()
6525 "Make the current summary buffer into a dead summary buffer."
6526 ;; Kill any previous dead summary buffer.
6527 (when (and gnus-dead-summary
6528 (buffer-name gnus-dead-summary))
6530 (set-buffer gnus-dead-summary)
6531 (when gnus-dead-summary-mode
6532 (kill-buffer (current-buffer)))))
6533 ;; Make this the current dead summary.
6534 (setq gnus-dead-summary (current-buffer))
6535 (gnus-dead-summary-mode 1)
6536 (let ((name (buffer-name)))
6537 (when (string-match "Summary" name)
6539 (concat (substring name 0 (match-beginning 0)) "Dead "
6540 (substring name (match-beginning 0)))
6544 (defun gnus-kill-or-deaden-summary (buffer)
6545 "Kill or deaden the summary BUFFER."
6547 (when (and (buffer-name buffer)
6548 (not gnus-single-article-buffer))
6551 (gnus-kill-buffer gnus-article-buffer)
6552 (gnus-kill-buffer gnus-original-article-buffer)))
6555 (gnus-kill-summary-on-exit
6556 (when (and gnus-use-trees
6557 (gnus-buffer-exists-p buffer))
6560 (gnus-tree-close gnus-newsgroup-name)))
6561 (gnus-kill-buffer buffer))
6562 ;; Deaden the buffer.
6563 ((gnus-buffer-exists-p buffer)
6566 (gnus-deaden-summary))))))
6568 (defun gnus-summary-wake-up-the-dead (&rest args)
6569 "Wake up the dead summary buffer."
6571 (gnus-dead-summary-mode -1)
6572 (let ((name (buffer-name)))
6573 (when (string-match "Dead " name)
6575 (concat (substring name 0 (match-beginning 0))
6576 (substring name (match-end 0)))
6578 (gnus-message 3 "This dead summary is now alive again"))
6580 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
6581 (defun gnus-summary-fetch-faq (&optional faq-dir)
6582 "Fetch the FAQ for the current group.
6583 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
6587 (when current-prefix-arg
6589 "FAQ dir: " (and (listp gnus-group-faq-directory)
6590 (mapcar (lambda (file) (list file))
6591 gnus-group-faq-directory))))))
6592 (let (gnus-faq-buffer)
6593 (when (setq gnus-faq-buffer
6594 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
6595 (gnus-configure-windows 'summary-faq))))
6597 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
6598 (defun gnus-summary-describe-group (&optional force)
6599 "Describe the current newsgroup."
6601 (gnus-group-describe-group force gnus-newsgroup-name))
6603 (defun gnus-summary-describe-briefly ()
6604 "Describe summary mode commands briefly."
6606 (gnus-message 6 (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")))
6608 ;; Walking around group mode buffer from summary mode.
6610 (defun gnus-summary-next-group (&optional no-article target-group backward)
6611 "Exit current newsgroup and then select next unread newsgroup.
6612 If prefix argument NO-ARTICLE is non-nil, no article is selected
6613 initially. If NEXT-GROUP, go to this group. If BACKWARD, go to
6614 previous group instead."
6616 ;; Stop pre-fetching.
6617 (gnus-async-halt-prefetch)
6618 (let ((current-group gnus-newsgroup-name)
6619 (current-buffer (current-buffer))
6621 (while (not entered)
6622 ;; Then we find what group we are supposed to enter.
6623 (set-buffer gnus-group-buffer)
6624 (gnus-group-jump-to-group current-group)
6627 (if (eq gnus-keep-same-level 'best)
6628 (gnus-summary-best-group gnus-newsgroup-name)
6629 (gnus-summary-search-group backward gnus-keep-same-level))))
6630 (if (not target-group)
6631 ;; There are no further groups, so we return to the group
6634 (gnus-message 5 "Returning to the group buffer")
6636 (when (gnus-buffer-live-p current-buffer)
6637 (set-buffer current-buffer)
6638 (gnus-summary-exit))
6639 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
6640 ;; We try to enter the target group.
6641 (gnus-group-jump-to-group target-group)
6642 (let ((unreads (gnus-group-group-unread)))
6643 (if (and (or (eq t unreads)
6644 (and unreads (not (zerop unreads))))
6646 ;; Now we semi-exit this group to update Xrefs
6647 ;; and all variables. We can't do a real exit,
6648 ;; because the window conf must remain the same
6649 ;; in case the user is prompted for info, and we
6650 ;; don't want the window conf to change before
6652 (when (gnus-buffer-live-p current-buffer)
6653 (set-buffer current-buffer)
6654 (gnus-summary-exit t))
6655 (gnus-summary-read-group
6656 target-group nil no-article
6657 (and (buffer-name current-buffer) current-buffer)
6660 (setq current-group target-group
6661 target-group nil)))))))
6663 (defun gnus-summary-prev-group (&optional no-article)
6664 "Exit current newsgroup and then select previous unread newsgroup.
6665 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
6667 (gnus-summary-next-group no-article nil t))
6669 ;; Walking around summary lines.
6671 (defun gnus-summary-first-subject (&optional unread undownloaded unseen)
6672 "Go to the first unread subject.
6673 If UNREAD is non-nil, go to the first unread article.
6674 Returns the article selected or nil if there are no unread articles."
6679 ((null gnus-newsgroup-data)
6680 (gnus-message 3 "No articles in the group")
6682 ;; Pick the first article.
6684 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
6685 (gnus-data-number (car gnus-newsgroup-data)))
6686 ;; No unread articles.
6687 ((null gnus-newsgroup-unreads)
6688 (gnus-message 3 "No more unread articles")
6690 ;; Find the first unread article.
6692 (let ((data gnus-newsgroup-data))
6694 (and (not (and undownloaded
6696 gnus-newsgroup-undownloaded)))
6699 (gnus-data-number (car data))
6700 gnus-newsgroup-unseen))
6701 (not (gnus-data-unread-p (car data))))
6702 (not (gnus-data-unread-p (car data))))))
6703 (setq data (cdr data)))
6705 (goto-char (gnus-data-pos (car data)))
6706 (gnus-data-number (car data))))))
6707 (gnus-summary-position-point)))
6709 (defun gnus-summary-next-subject (n &optional unread dont-display)
6710 "Go to next N'th summary line.
6711 If N is negative, go to the previous N'th subject line.
6712 If UNREAD is non-nil, only unread articles are selected.
6713 The difference between N and the actual number of steps taken is
6716 (let ((backward (< n 0))
6720 (gnus-summary-find-prev unread)
6721 (gnus-summary-find-next unread)))
6722 (unless (zerop (setq n (1- n)))
6723 (gnus-summary-show-thread)))
6725 (gnus-message 7 "No more%s articles"
6726 (if unread " unread" "")))
6727 (unless dont-display
6728 (gnus-summary-recenter)
6729 (gnus-summary-position-point))
6732 (defun gnus-summary-next-unread-subject (n)
6733 "Go to next N'th unread summary line."
6735 (gnus-summary-next-subject n t))
6737 (defun gnus-summary-prev-subject (n &optional unread)
6738 "Go to previous N'th summary line.
6739 If optional argument UNREAD is non-nil, only unread article is selected."
6741 (gnus-summary-next-subject (- n) unread))
6743 (defun gnus-summary-prev-unread-subject (n)
6744 "Go to previous N'th unread summary line."
6746 (gnus-summary-next-subject (- n) t))
6748 (defun gnus-summary-goto-subjects (articles)
6749 "Insert the subject header for ARTICLES in the current buffer."
6751 (dolist (article articles)
6752 (gnus-summary-goto-subject article t)))
6753 (gnus-summary-limit (append articles gnus-newsgroup-limit))
6754 (gnus-summary-position-point))
6756 (defun gnus-summary-goto-subject (article &optional force silent)
6757 "Go the subject line of ARTICLE.
6758 If FORCE, also allow jumping to articles not currently shown."
6759 (interactive "nArticle number: ")
6760 (unless (numberp article)
6761 (error "Article %s is not a number" article))
6763 (data (gnus-data-find article)))
6764 ;; We read in the article if we have to.
6767 (gnus-summary-insert-subject
6769 (if (or (numberp force) (vectorp force)) force)
6771 (setq data (gnus-data-find article)))
6776 (gnus-message 3 "Can't find article %d" article))
6778 (let ((pt (gnus-data-pos data)))
6780 (gnus-summary-set-article-display-arrow pt))
6781 (gnus-summary-position-point)
6784 ;; Walking around summary lines with displaying articles.
6786 (defun gnus-summary-expand-window (&optional arg)
6787 "Make the summary buffer take up the entire Emacs frame.
6788 Given a prefix, will force an `article' buffer configuration."
6791 (gnus-configure-windows 'article 'force)
6792 (gnus-configure-windows 'summary 'force)))
6794 (defun gnus-summary-display-article (article &optional all-header)
6795 "Display ARTICLE in article buffer."
6796 (when (gnus-buffer-live-p gnus-article-buffer)
6797 (with-current-buffer gnus-article-buffer
6798 (mm-enable-multibyte)))
6799 (gnus-set-global-variables)
6800 (when (gnus-buffer-live-p gnus-article-buffer)
6801 (with-current-buffer gnus-article-buffer
6802 (setq gnus-article-charset gnus-newsgroup-charset)
6803 (setq gnus-article-ignored-charsets gnus-newsgroup-ignored-charsets)
6804 (mm-enable-multibyte)))
6808 (if gnus-summary-display-article-function
6809 (funcall gnus-summary-display-article-function article all-header)
6810 (gnus-article-prepare article all-header))
6811 (gnus-run-hooks 'gnus-select-article-hook)
6812 (when (and gnus-current-article
6813 (not (zerop gnus-current-article)))
6814 (gnus-summary-goto-subject gnus-current-article))
6815 (gnus-summary-recenter)
6816 (when (and gnus-use-trees gnus-show-threads)
6817 (gnus-possibly-generate-tree article)
6818 (gnus-highlight-selected-tree article))
6819 ;; Successfully display article.
6820 (gnus-article-set-window-start
6821 (cdr (assq article gnus-newsgroup-bookmarks))))))
6823 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
6824 "Select the current article.
6825 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
6826 non-nil, the article will be re-fetched even if it already present in
6827 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
6829 ;; Make sure we are in the summary buffer to work around bbdb bug.
6830 (unless (eq major-mode 'gnus-summary-mode)
6831 (set-buffer gnus-summary-buffer))
6832 (let ((article (or article (gnus-summary-article-number)))
6833 (all-headers (not (not all-headers))) ;Must be t or nil.
6834 gnus-summary-display-article-function)
6836 (gnus-summary-article-pseudo-p article)
6837 (error "This is a pseudo-article"))
6839 (set-buffer gnus-summary-buffer)
6840 (if (or (and gnus-single-article-buffer
6841 (or (null gnus-current-article)
6842 (null gnus-article-current)
6843 (null (get-buffer gnus-article-buffer))
6844 (not (eq article (cdr gnus-article-current)))
6845 (not (equal (car gnus-article-current)
6846 gnus-newsgroup-name))))
6847 (and (not gnus-single-article-buffer)
6848 (or (null gnus-current-article)
6849 (not (eq gnus-current-article article))))
6851 ;; The requested article is different from the current article.
6853 (gnus-summary-display-article article all-headers)
6854 (when (gnus-buffer-live-p gnus-article-buffer)
6855 (with-current-buffer gnus-article-buffer
6856 (if (not gnus-article-decoded-p) ;; a local variable
6857 (mm-disable-multibyte))))
6858 (gnus-article-set-window-start
6859 (cdr (assq article gnus-newsgroup-bookmarks)))
6863 (defun gnus-summary-force-verify-and-decrypt ()
6865 (let ((mm-verify-option 'known)
6866 (mm-decrypt-option 'known)
6867 (gnus-buttonized-mime-types (append (list "multipart/signed"
6868 "multipart/encrypted")
6869 gnus-buttonized-mime-types)))
6870 (gnus-summary-select-article nil 'force)))
6872 (defun gnus-summary-set-current-mark (&optional current-mark)
6873 "Obsolete function."
6876 (defun gnus-summary-next-article (&optional unread subject backward push)
6877 "Select the next article.
6878 If UNREAD, only unread articles are selected.
6879 If SUBJECT, only articles with SUBJECT are selected.
6880 If BACKWARD, the previous article is selected instead of the next."
6883 ;; Is there such an article?
6884 ((and (gnus-summary-search-forward unread subject backward)
6885 (or (gnus-summary-display-article (gnus-summary-article-number))
6886 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
6887 (gnus-summary-position-point))
6888 ;; If not, we try the first unread, if that is wanted.
6890 gnus-auto-select-same
6891 (gnus-summary-first-unread-article))
6892 (gnus-summary-position-point)
6893 (gnus-message 6 "Wrapped"))
6894 ;; Try to get next/previous article not displayed in this group.
6895 ((and gnus-auto-extend-newsgroup
6896 (not unread) (not subject))
6897 (gnus-summary-goto-article
6898 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
6899 nil (count-lines (point-min) (point))))
6900 ;; Go to next/previous group.
6902 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
6903 (gnus-summary-jump-to-group gnus-newsgroup-name))
6904 (let ((cmd last-command-char)
6907 (set-buffer gnus-group-buffer)
6910 (if (eq gnus-keep-same-level 'best)
6911 (gnus-summary-best-group gnus-newsgroup-name)
6912 (gnus-summary-search-group backward gnus-keep-same-level))))
6913 ;; For some reason, the group window gets selected. We change
6915 (select-window (get-buffer-window (current-buffer)))
6916 ;; Select next unread newsgroup automagically.
6918 ((or (not gnus-auto-select-next)
6920 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
6921 ((or (eq gnus-auto-select-next 'quietly)
6922 (and (eq gnus-auto-select-next 'slightly-quietly)
6924 (and (eq gnus-auto-select-next 'almost-quietly)
6925 (gnus-summary-last-article-p)))
6927 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
6929 (gnus-message 7 "No more%s articles (%s)..."
6930 (if unread " unread" "")
6931 (if group (concat "selecting " group)
6933 (gnus-summary-next-group nil group backward)))
6935 (when (gnus-key-press-event-p last-input-event)
6936 (gnus-summary-walk-group-buffer
6937 gnus-newsgroup-name cmd unread backward point))))))))
6939 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
6940 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
6941 (?\C-p (gnus-group-prev-unread-group 1))))
6942 (cursor-in-echo-area t)
6943 keve key group ended prompt)
6945 (set-buffer gnus-group-buffer)
6948 (if (eq gnus-keep-same-level 'best)
6949 (gnus-summary-best-group gnus-newsgroup-name)
6950 (gnus-summary-search-group backward gnus-keep-same-level))))
6954 "No more%s articles%s " (if unread " unread" "")
6956 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
6957 (format " (Type %s for %s [%s])"
6958 (single-key-description cmd) group
6959 (car (gnus-gethash group gnus-newsrc-hashtb)))
6960 (format " (Type %s to exit %s)"
6961 (single-key-description cmd)
6962 gnus-newsgroup-name))))
6963 ;; Confirm auto selection.
6964 (setq key (car (setq keve (gnus-read-event-char prompt)))
6967 ((assq key keystrokes)
6968 (let ((obuf (current-buffer)))
6969 (switch-to-buffer gnus-group-buffer)
6971 (gnus-group-jump-to-group group))
6972 (eval (cadr (assq key keystrokes)))
6973 (setq group (gnus-group-group-name))
6974 (switch-to-buffer obuf))
6978 (gnus-ephemeral-group-p gnus-newsgroup-name))
6980 (gnus-summary-next-group nil group backward)))
6982 (push (cdr keve) unread-command-events))))))
6984 (defun gnus-summary-next-unread-article ()
6985 "Select unread article after current one."
6987 (gnus-summary-next-article
6988 (or (not (eq gnus-summary-goto-unread 'never))
6989 (gnus-summary-last-article-p (gnus-summary-article-number)))
6990 (and gnus-auto-select-same
6991 (gnus-summary-article-subject))))
6993 (defun gnus-summary-prev-article (&optional unread subject)
6994 "Select the article after the current one.
6995 If UNREAD is non-nil, only unread articles are selected."
6997 (gnus-summary-next-article unread subject t))
6999 (defun gnus-summary-prev-unread-article ()
7000 "Select unread article before current one."
7002 (gnus-summary-prev-article
7003 (or (not (eq gnus-summary-goto-unread 'never))
7004 (gnus-summary-first-article-p (gnus-summary-article-number)))
7005 (and gnus-auto-select-same
7006 (gnus-summary-article-subject))))
7008 (defun gnus-summary-next-page (&optional lines circular stop)
7009 "Show next page of the selected article.
7010 If at the end of the current article, select the next article.
7011 LINES says how many lines should be scrolled up.
7013 If CIRCULAR is non-nil, go to the start of the article instead of
7014 selecting the next article when reaching the end of the current
7017 If STOP is non-nil, just stop when reaching the end of the message."
7019 (setq gnus-summary-buffer (current-buffer))
7020 (gnus-set-global-variables)
7021 (let ((article (gnus-summary-article-number))
7022 (article-window (get-buffer-window gnus-article-buffer t))
7024 ;; If the buffer is empty, we have no article.
7026 (error "No article to select"))
7027 (gnus-configure-windows 'article)
7028 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
7029 (if (and (eq gnus-summary-goto-unread 'never)
7030 (not (gnus-summary-last-article-p article)))
7031 (gnus-summary-next-article)
7032 (gnus-summary-next-unread-article))
7033 (if (or (null gnus-current-article)
7034 (null gnus-article-current)
7035 (/= article (cdr gnus-article-current))
7036 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7037 ;; Selected subject is different from current article's.
7038 (gnus-summary-display-article article)
7039 (when article-window
7040 (gnus-eval-in-buffer-window gnus-article-buffer
7041 (setq endp (gnus-article-next-page lines)))
7044 (gnus-message 3 "End of message"))
7046 (gnus-summary-beginning-of-article))
7048 (gnus-message 3 "End of message"))
7050 (if (and (eq gnus-summary-goto-unread 'never)
7051 (not (gnus-summary-last-article-p article)))
7052 (gnus-summary-next-article)
7053 (gnus-summary-next-unread-article))))))))
7054 (gnus-summary-recenter)
7055 (gnus-summary-position-point)))
7057 (defun gnus-summary-prev-page (&optional lines move)
7058 "Show previous page of selected article.
7059 Argument LINES specifies lines to be scrolled down.
7060 If MOVE, move to the previous unread article if point is at
7061 the beginning of the buffer."
7063 (let ((article (gnus-summary-article-number))
7064 (article-window (get-buffer-window gnus-article-buffer t))
7066 (gnus-configure-windows 'article)
7067 (if (or (null gnus-current-article)
7068 (null gnus-article-current)
7069 (/= article (cdr gnus-article-current))
7070 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7071 ;; Selected subject is different from current article's.
7072 (gnus-summary-display-article article)
7073 (gnus-summary-recenter)
7074 (when article-window
7075 (gnus-eval-in-buffer-window gnus-article-buffer
7076 (setq endp (gnus-article-prev-page lines)))
7077 (when (and move endp)
7079 (gnus-message 3 "Beginning of message"))
7081 (if (and (eq gnus-summary-goto-unread 'never)
7082 (not (gnus-summary-first-article-p article)))
7083 (gnus-summary-prev-article)
7084 (gnus-summary-prev-unread-article))))))))
7085 (gnus-summary-position-point))
7087 (defun gnus-summary-prev-page-or-article (&optional lines)
7088 "Show previous page of selected article.
7089 Argument LINES specifies lines to be scrolled down.
7090 If at the beginning of the article, go to the next article."
7092 (gnus-summary-prev-page lines t))
7094 (defun gnus-summary-scroll-up (lines)
7095 "Scroll up (or down) one line current article.
7096 Argument LINES specifies lines to be scrolled up (or down if negative)."
7098 (gnus-configure-windows 'article)
7099 (gnus-summary-show-thread)
7100 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
7101 (gnus-eval-in-buffer-window gnus-article-buffer
7103 (when (gnus-article-next-page lines)
7104 (gnus-message 3 "End of message")))
7106 (gnus-article-prev-page (- lines))))))
7107 (gnus-summary-recenter)
7108 (gnus-summary-position-point))
7110 (defun gnus-summary-scroll-down (lines)
7111 "Scroll down (or up) one line current article.
7112 Argument LINES specifies lines to be scrolled down (or up if negative)."
7114 (gnus-summary-scroll-up (- lines)))
7116 (defun gnus-summary-next-same-subject ()
7117 "Select next article which has the same subject as current one."
7119 (gnus-summary-next-article nil (gnus-summary-article-subject)))
7121 (defun gnus-summary-prev-same-subject ()
7122 "Select previous article which has the same subject as current one."
7124 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
7126 (defun gnus-summary-next-unread-same-subject ()
7127 "Select next unread article which has the same subject as current one."
7129 (gnus-summary-next-article t (gnus-summary-article-subject)))
7131 (defun gnus-summary-prev-unread-same-subject ()
7132 "Select previous unread article which has the same subject as current one."
7134 (gnus-summary-prev-article t (gnus-summary-article-subject)))
7136 (defun gnus-summary-first-unread-article ()
7137 "Select the first unread article.
7138 Return nil if there are no unread articles."
7141 (when (gnus-summary-first-subject t)
7142 (gnus-summary-show-thread)
7143 (gnus-summary-first-subject t)
7144 (gnus-summary-display-article (gnus-summary-article-number)))
7145 (gnus-summary-position-point)))
7147 (defun gnus-summary-first-unread-subject ()
7148 "Place the point on the subject line of the first unread article.
7149 Return nil if there are no unread articles."
7152 (when (gnus-summary-first-subject t)
7153 (gnus-summary-show-thread)
7154 (gnus-summary-first-subject t))
7155 (gnus-summary-position-point)))
7157 (defun gnus-summary-first-unseen-subject ()
7158 "Place the point on the subject line of the first unseen article.
7159 Return nil if there are no unseen articles."
7162 (when (gnus-summary-first-subject t t t)
7163 (gnus-summary-show-thread)
7164 (gnus-summary-first-subject t t t))
7165 (gnus-summary-position-point)))
7167 (defun gnus-summary-first-unseen-or-unread-subject ()
7168 "Place the point on the subject line of the first unseen article.
7169 Return nil if there are no unseen articles."
7172 (unless (when (gnus-summary-first-subject t t t)
7173 (gnus-summary-show-thread)
7174 (gnus-summary-first-subject t t t))
7175 (when (gnus-summary-first-subject t)
7176 (gnus-summary-show-thread)
7177 (gnus-summary-first-subject t)))
7178 (gnus-summary-position-point)))
7180 (defun gnus-summary-first-article ()
7181 "Select the first article.
7182 Return nil if there are no articles."
7185 (when (gnus-summary-first-subject)
7186 (gnus-summary-show-thread)
7187 (gnus-summary-first-subject)
7188 (gnus-summary-display-article (gnus-summary-article-number)))
7189 (gnus-summary-position-point)))
7191 (defun gnus-summary-best-unread-article (&optional arg)
7192 "Select the unread article with the highest score.
7193 If given a prefix argument, select the next unread article that has a
7194 score higher than the default score."
7196 (let ((article (if arg
7197 (gnus-summary-better-unread-subject)
7198 (gnus-summary-best-unread-subject))))
7200 (gnus-summary-goto-article article)
7201 (error "No unread articles"))))
7203 (defun gnus-summary-best-unread-subject ()
7204 "Select the unread subject with the highest score."
7206 (let ((best -1000000)
7207 (data gnus-newsgroup-data)
7210 (and (gnus-data-unread-p (car data))
7212 (gnus-summary-article-score (gnus-data-number (car data))))
7215 article (gnus-data-number (car data))))
7216 (setq data (cdr data)))
7218 (gnus-summary-goto-subject article))
7219 (gnus-summary-position-point)
7222 (defun gnus-summary-better-unread-subject ()
7223 "Select the first unread subject that has a score over the default score."
7225 (let ((data gnus-newsgroup-data)
7227 (while (and (setq article (gnus-data-number (car data)))
7228 (or (gnus-data-read-p (car data))
7229 (not (> (gnus-summary-article-score article)
7230 gnus-summary-default-score))))
7231 (setq data (cdr data)))
7233 (gnus-summary-goto-subject article))
7234 (gnus-summary-position-point)
7237 (defun gnus-summary-last-subject ()
7238 "Go to the last displayed subject line in the group."
7239 (let ((article (gnus-data-number (car (gnus-data-list t)))))
7241 (gnus-summary-goto-subject article))))
7243 (defun gnus-summary-goto-article (article &optional all-headers force)
7244 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
7245 If ALL-HEADERS is non-nil, no header lines are hidden.
7246 If FORCE, go to the article even if it isn't displayed. If FORCE
7247 is a number, it is the line the article is to be displayed on."
7251 "Article number or Message-ID: "
7252 (mapcar (lambda (number) (list (int-to-string number)))
7253 gnus-newsgroup-limit))
7257 (if (and (stringp article)
7258 (string-match "@" article))
7259 (gnus-summary-refer-article article)
7260 (when (stringp article)
7261 (setq article (string-to-number article)))
7262 (if (gnus-summary-goto-subject article force)
7263 (gnus-summary-display-article article all-headers)
7264 (gnus-message 4 "Couldn't go to article %s" article) nil))
7265 (gnus-summary-position-point)))
7267 (defun gnus-summary-goto-last-article ()
7268 "Go to the previously read article."
7271 (when gnus-last-article
7272 (gnus-summary-goto-article gnus-last-article nil t))
7273 (gnus-summary-position-point)))
7275 (defun gnus-summary-pop-article (number)
7276 "Pop one article off the history and go to the previous.
7277 NUMBER articles will be popped off."
7280 (setq gnus-newsgroup-history
7281 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
7283 (gnus-summary-goto-article (car to) nil t)
7284 (error "Article history empty")))
7285 (gnus-summary-position-point))
7287 ;; Summary commands and functions for limiting the summary buffer.
7289 (defun gnus-summary-limit-to-articles (n)
7290 "Limit the summary buffer to the next N articles.
7291 If not given a prefix, use the process marked articles instead."
7294 (let ((articles (gnus-summary-work-articles n)))
7295 (setq gnus-newsgroup-processable nil)
7296 (gnus-summary-limit articles))
7297 (gnus-summary-position-point)))
7299 (defun gnus-summary-pop-limit (&optional total)
7300 "Restore the previous limit.
7301 If given a prefix, remove all limits."
7304 (setq gnus-newsgroup-limits
7305 (list (mapcar (lambda (h) (mail-header-number h))
7306 gnus-newsgroup-headers))))
7307 (unless gnus-newsgroup-limits
7308 (error "No limit to pop"))
7310 (gnus-summary-limit nil 'pop)
7311 (gnus-summary-position-point)))
7313 (defun gnus-summary-limit-to-subject (subject &optional header not-matching)
7314 "Limit the summary buffer to articles that have subjects that match a regexp.
7315 If NOT-MATCHING, excluding articles that have subjects that match a regexp."
7317 (list (read-string (if current-prefix-arg
7318 "Exclude subject (regexp): "
7319 "Limit to subject (regexp): "))
7320 nil current-prefix-arg))
7322 (setq header "subject"))
7323 (when (not (equal "" subject))
7325 (let ((articles (gnus-summary-find-matching
7326 (or header "subject") subject 'all nil nil
7329 (error "Found no matches for \"%s\"" subject))
7330 (gnus-summary-limit articles))
7331 (gnus-summary-position-point))))
7333 (defun gnus-summary-limit-to-author (from &optional not-matching)
7334 "Limit the summary buffer to articles that have authors that match a regexp.
7335 If NOT-MATCHING, excluding articles that have authors that match a regexp."
7337 (list (read-string (if current-prefix-arg
7338 "Exclude author (regexp): "
7339 "Limit to author (regexp): "))
7340 current-prefix-arg))
7341 (gnus-summary-limit-to-subject from "from" not-matching))
7343 (defun gnus-summary-limit-to-age (age &optional younger-p)
7344 "Limit the summary buffer to articles that are older than (or equal) AGE days.
7345 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
7346 articles that are younger than AGE days."
7348 (let ((younger current-prefix-arg)
7351 (while (not days-got)
7352 (setq days (if younger
7353 (read-string "Limit to articles younger than (in days, older when negative): ")
7355 "Limit to articles older than (in days, younger when negative): ")))
7356 (when (> (length days) 0)
7357 (setq days (read days)))
7363 (setq younger (not younger))
7364 (setq days (* days -1)))))
7365 (message "Please enter a number.")
7367 (list days younger)))
7369 (let ((data gnus-newsgroup-data)
7370 (cutoff (days-to-time age))
7371 articles d date is-younger)
7372 (while (setq d (pop data))
7373 (when (and (vectorp (gnus-data-header d))
7374 (setq date (mail-header-date (gnus-data-header d))))
7375 (setq is-younger (time-less-p
7376 (time-since (condition-case ()
7383 (push (gnus-data-number d) articles))))
7384 (gnus-summary-limit (nreverse articles)))
7385 (gnus-summary-position-point)))
7387 (defun gnus-summary-limit-to-extra (header regexp &optional not-matching)
7388 "Limit the summary buffer to articles that match an 'extra' header."
7392 (gnus-completing-read-with-default
7393 (symbol-name (car gnus-extra-headers))
7394 (if current-prefix-arg
7395 "Exclude extra header:"
7396 "Limit extra header:")
7398 (cons (symbol-name x) x))
7403 (read-string (format "%s header %s (regexp): "
7404 (if current-prefix-arg "Exclude" "Limit to")
7406 current-prefix-arg)))
7407 (when (not (equal "" regexp))
7409 (let ((articles (gnus-summary-find-matching
7410 (cons 'extra header) regexp 'all nil nil
7413 (error "Found no matches for \"%s\"" regexp))
7414 (gnus-summary-limit articles))
7415 (gnus-summary-position-point))))
7417 (defun gnus-summary-limit-to-display-predicate ()
7418 "Limit the summary buffer to the predicated in the `display' group parameter."
7420 (unless gnus-newsgroup-display
7421 (error "There is no `display' group parameter"))
7423 (dolist (number gnus-newsgroup-articles)
7424 (when (funcall gnus-newsgroup-display)
7425 (push number articles)))
7426 (gnus-summary-limit articles))
7427 (gnus-summary-position-point))
7429 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7431 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7433 (defun gnus-summary-limit-to-unread (&optional all)
7434 "Limit the summary buffer to articles that are not marked as read.
7435 If ALL is non-nil, limit strictly to unread articles."
7438 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
7439 (gnus-summary-limit-to-marks
7440 ;; Concat all the marks that say that an article is read and have
7442 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
7443 gnus-killed-mark gnus-spam-mark gnus-kill-file-mark
7444 gnus-low-score-mark gnus-expirable-mark
7445 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
7446 gnus-duplicate-mark gnus-souped-mark)
7449 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
7450 (make-obsolete 'gnus-summary-delete-marked-with
7451 'gnus-summary-limit-exclude-marks)
7453 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
7454 "Exclude articles that are marked with MARKS (e.g. \"DK\").
7455 If REVERSE, limit the summary buffer to articles that are marked
7456 with MARKS. MARKS can either be a string of marks or a list of marks.
7457 Returns how many articles were removed."
7458 (interactive "sMarks: ")
7459 (gnus-summary-limit-to-marks marks t))
7461 (defun gnus-summary-limit-to-marks (marks &optional reverse)
7462 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
7463 If REVERSE (the prefix), limit the summary buffer to articles that are
7464 not marked with MARKS. MARKS can either be a string of marks or a
7466 Returns how many articles were removed."
7467 (interactive "sMarks: \nP")
7469 (let ((data gnus-newsgroup-data)
7470 (marks (if (listp marks) marks
7471 (append marks nil))) ; Transform to list.
7474 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
7475 (memq (gnus-data-mark (car data)) marks))
7476 (push (gnus-data-number (car data)) articles))
7477 (setq data (cdr data)))
7478 (gnus-summary-limit articles))
7479 (gnus-summary-position-point)))
7481 (defun gnus-summary-limit-to-score (score)
7482 "Limit to articles with score at or above SCORE."
7483 (interactive "NLimit to articles with score of at least: ")
7484 (let ((data gnus-newsgroup-data)
7487 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
7489 (push (gnus-data-number (car data)) articles))
7490 (setq data (cdr data)))
7492 (gnus-summary-limit articles)
7493 (gnus-summary-position-point))))
7495 (defun gnus-summary-limit-to-unseen ()
7496 "Limit to unseen articles."
7499 (gnus-summary-limit gnus-newsgroup-unseen)
7500 (gnus-summary-position-point)))
7502 (defun gnus-summary-limit-include-thread (id)
7503 "Display all the hidden articles that is in the thread with ID in it.
7504 When called interactively, ID is the Message-ID of the current
7506 (interactive (list (mail-header-id (gnus-summary-article-header))))
7507 (let ((articles (gnus-articles-in-thread
7508 (gnus-id-to-thread (gnus-root-id id)))))
7510 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
7511 (gnus-summary-limit-include-matching-articles
7513 (regexp-quote (gnus-simplify-subject-re
7514 (mail-header-subject (gnus-id-to-header id)))))
7515 (gnus-summary-position-point))))
7517 (defun gnus-summary-limit-include-matching-articles (header regexp)
7518 "Display all the hidden articles that have HEADERs that match REGEXP."
7519 (interactive (list (read-string "Match on header: ")
7520 (read-string "Regexp: ")))
7521 (let ((articles (gnus-find-matching-articles header regexp)))
7523 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
7524 (gnus-summary-position-point))))
7526 (defun gnus-summary-insert-dormant-articles ()
7527 "Insert all the dormat articles for this group into the current buffer."
7529 (let ((gnus-verbose (max 6 gnus-verbose)))
7530 (if (not gnus-newsgroup-dormant)
7531 (gnus-message 3 "No cached articles for this group")
7532 (gnus-summary-goto-subjects gnus-newsgroup-dormant))))
7534 (defun gnus-summary-limit-include-dormant ()
7535 "Display all the hidden articles that are marked as dormant.
7536 Note that this command only works on a subset of the articles currently
7537 fetched for this group."
7539 (unless gnus-newsgroup-dormant
7540 (error "There are no dormant articles in this group"))
7542 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
7543 (gnus-summary-position-point)))
7545 (defun gnus-summary-limit-exclude-dormant ()
7546 "Hide all dormant articles."
7549 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
7550 (gnus-summary-position-point)))
7552 (defun gnus-summary-limit-exclude-childless-dormant ()
7553 "Hide all dormant articles that have no children."
7555 (let ((data (gnus-data-list t))
7556 articles d children)
7557 ;; Find all articles that are either not dormant or have
7559 (while (setq d (pop data))
7560 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
7562 (gnus-article-children (gnus-data-number d)))
7565 (when (memq (car children) articles)
7570 (push (gnus-data-number d) articles)))
7573 (gnus-summary-limit articles)
7574 (gnus-summary-position-point))))
7576 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
7577 "Mark all unread excluded articles as read.
7578 If ALL, mark even excluded ticked and dormants as read."
7580 (setq gnus-newsgroup-limit (sort gnus-newsgroup-limit '<))
7581 (let ((articles (gnus-sorted-ndifference
7583 (mapcar (lambda (h) (mail-header-number h))
7584 gnus-newsgroup-headers)
7586 gnus-newsgroup-limit))
7588 (setq gnus-newsgroup-unreads
7589 (gnus-sorted-intersection gnus-newsgroup-unreads
7590 gnus-newsgroup-limit))
7592 (setq gnus-newsgroup-dormant nil
7593 gnus-newsgroup-marked nil
7594 gnus-newsgroup-reads
7596 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
7597 gnus-newsgroup-reads))
7598 (while (setq article (pop articles))
7599 (unless (or (memq article gnus-newsgroup-dormant)
7600 (memq article gnus-newsgroup-marked))
7601 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
7603 (defun gnus-summary-limit (articles &optional pop)
7605 ;; We pop the previous limit off the stack and use that.
7606 (setq articles (car gnus-newsgroup-limits)
7607 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
7608 ;; We use the new limit, so we push the old limit on the stack.
7609 (push gnus-newsgroup-limit gnus-newsgroup-limits))
7611 (setq gnus-newsgroup-limit articles)
7612 (let ((total (length gnus-newsgroup-data))
7613 (data (gnus-data-find-list (gnus-summary-article-number)))
7614 (gnus-summary-mark-below nil) ; Inhibit this.
7616 ;; This will do all the work of generating the new summary buffer
7617 ;; according to the new limit.
7618 (gnus-summary-prepare)
7619 ;; Hide any threads, possibly.
7620 (gnus-summary-maybe-hide-threads)
7621 ;; Try to return to the article you were at, or one in the
7624 ;; We try to find some article after the current one.
7626 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
7629 (setq data (cdr data))))
7631 ;; If there is no data, that means that we were after the last
7632 ;; article. The same goes when we can't find any articles
7633 ;; after the current one.
7634 (goto-char (point-max))
7635 (gnus-summary-find-prev))
7636 (gnus-set-mode-line 'summary)
7637 ;; We return how many articles were removed from the summary
7638 ;; buffer as a result of the new limit.
7639 (- total (length gnus-newsgroup-data))))
7641 (defsubst gnus-invisible-cut-children (threads)
7644 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
7649 (defsubst gnus-cut-thread (thread)
7650 "Go forwards in the thread until we find an article that we want to display."
7651 (when (or (eq gnus-fetch-old-headers 'some)
7652 (eq gnus-fetch-old-headers 'invisible)
7653 (numberp gnus-fetch-old-headers)
7654 (eq gnus-build-sparse-threads 'some)
7655 (eq gnus-build-sparse-threads 'more))
7656 ;; Deal with old-fetched headers and sparse threads.
7660 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
7661 (gnus-summary-article-ancient-p
7662 (mail-header-number (car thread))))
7663 (if (or (<= (length (cdr thread)) 1)
7664 (eq gnus-fetch-old-headers 'invisible))
7665 (setq gnus-newsgroup-limit
7666 (delq (mail-header-number (car thread))
7667 gnus-newsgroup-limit)
7668 thread (cadr thread))
7669 (when (gnus-invisible-cut-children (cdr thread))
7670 (let ((th (cdr thread)))
7672 (if (memq (mail-header-number (caar th))
7673 gnus-newsgroup-limit)
7674 (setq thread (car th)
7676 (setq th (cdr th))))))))))
7679 (defun gnus-cut-threads (threads)
7680 "Cut off all uninteresting articles from the beginning of threads."
7681 (when (or (eq gnus-fetch-old-headers 'some)
7682 (eq gnus-fetch-old-headers 'invisible)
7683 (numberp gnus-fetch-old-headers)
7684 (eq gnus-build-sparse-threads 'some)
7685 (eq gnus-build-sparse-threads 'more))
7688 (setcar th (gnus-cut-thread (car th)))
7689 (setq th (cdr th)))))
7690 ;; Remove nixed out threads.
7693 (defun gnus-summary-initial-limit (&optional show-if-empty)
7694 "Figure out what the initial limit is supposed to be on group entry.
7695 This entails weeding out unwanted dormants, low-scored articles,
7696 fetch-old-headers verbiage, and so on."
7697 ;; Most groups have nothing to remove.
7698 (if (or gnus-inhibit-limiting
7699 (and (null gnus-newsgroup-dormant)
7700 (eq gnus-newsgroup-display 'gnus-not-ignore)
7701 (not (eq gnus-fetch-old-headers 'some))
7702 (not (numberp gnus-fetch-old-headers))
7703 (not (eq gnus-fetch-old-headers 'invisible))
7704 (null gnus-summary-expunge-below)
7705 (not (eq gnus-build-sparse-threads 'some))
7706 (not (eq gnus-build-sparse-threads 'more))
7707 (null gnus-thread-expunge-below)
7708 (not gnus-use-nocem)))
7710 (push gnus-newsgroup-limit gnus-newsgroup-limits)
7711 (setq gnus-newsgroup-limit nil)
7714 (unless (car (symbol-value node))
7715 ;; These threads have no parents -- they are roots.
7716 (let ((nodes (cdr (symbol-value node)))
7719 (if (and gnus-thread-expunge-below
7720 (< (gnus-thread-total-score (car nodes))
7721 gnus-thread-expunge-below))
7722 (gnus-expunge-thread (pop nodes))
7723 (setq thread (pop nodes))
7724 (gnus-summary-limit-children thread))))))
7725 gnus-newsgroup-dependencies)
7726 ;; If this limitation resulted in an empty group, we might
7727 ;; pop the previous limit and use it instead.
7728 (when (and (not gnus-newsgroup-limit)
7730 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
7731 gnus-newsgroup-limit))
7733 (defun gnus-summary-limit-children (thread)
7734 "Return 1 if this subthread is visible and 0 if it is not."
7735 ;; First we get the number of visible children to this thread. This
7736 ;; is done by recursing down the thread using this function, so this
7737 ;; will really go down to a leaf article first, before slowly
7738 ;; working its way up towards the root.
7740 (let* ((max-lisp-eval-depth 5000)
7743 (apply '+ (mapcar 'gnus-summary-limit-children
7746 (number (mail-header-number (car thread)))
7749 (not (memq number gnus-newsgroup-marked))
7751 ;; If this article is dormant and has absolutely no visible
7752 ;; children, then this article isn't visible.
7753 (and (memq number gnus-newsgroup-dormant)
7755 ;; If this is "fetch-old-headered" and there is no
7756 ;; visible children, then we don't want this article.
7757 (and (or (eq gnus-fetch-old-headers 'some)
7758 (numberp gnus-fetch-old-headers))
7759 (gnus-summary-article-ancient-p number)
7761 ;; If this is "fetch-old-headered" and `invisible', then
7762 ;; we don't want this article.
7763 (and (eq gnus-fetch-old-headers 'invisible)
7764 (gnus-summary-article-ancient-p number))
7765 ;; If this is a sparsely inserted article with no children,
7766 ;; we don't want it.
7767 (and (eq gnus-build-sparse-threads 'some)
7768 (gnus-summary-article-sparse-p number)
7770 ;; If we use expunging, and this article is really
7771 ;; low-scored, then we don't want this article.
7772 (when (and gnus-summary-expunge-below
7774 (or (cdr (assq number gnus-newsgroup-scored))
7775 gnus-summary-default-score))
7776 gnus-summary-expunge-below))
7777 ;; We increase the expunge-tally here, but that has
7778 ;; nothing to do with the limits, really.
7779 (incf gnus-newsgroup-expunged-tally)
7780 ;; We also mark as read here, if that's wanted.
7781 (when (and gnus-summary-mark-below
7782 (< score gnus-summary-mark-below))
7783 (setq gnus-newsgroup-unreads
7784 (delq number gnus-newsgroup-unreads))
7785 (if gnus-newsgroup-auto-expire
7786 (push number gnus-newsgroup-expirable)
7787 (push (cons number gnus-low-score-mark)
7788 gnus-newsgroup-reads)))
7790 ;; Do the `display' group parameter.
7791 (and gnus-newsgroup-display
7792 (not (funcall gnus-newsgroup-display)))
7793 ;; Check NoCeM things.
7794 (if (and gnus-use-nocem
7795 (gnus-nocem-unwanted-article-p
7796 (mail-header-id (car thread))))
7798 (setq gnus-newsgroup-unreads
7799 (delq number gnus-newsgroup-unreads))
7801 ;; Nope, invisible article.
7803 ;; Ok, this article is to be visible, so we add it to the limit
7805 (push number gnus-newsgroup-limit)
7808 (defun gnus-expunge-thread (thread)
7809 "Mark all articles in THREAD as read."
7810 (let* ((number (mail-header-number (car thread))))
7811 (incf gnus-newsgroup-expunged-tally)
7812 ;; We also mark as read here, if that's wanted.
7813 (setq gnus-newsgroup-unreads
7814 (delq number gnus-newsgroup-unreads))
7815 (if gnus-newsgroup-auto-expire
7816 (push number gnus-newsgroup-expirable)
7817 (push (cons number gnus-low-score-mark)
7818 gnus-newsgroup-reads)))
7819 ;; Go recursively through all subthreads.
7820 (mapcar 'gnus-expunge-thread (cdr thread)))
7822 ;; Summary article oriented commands
7824 (defun gnus-summary-refer-parent-article (n)
7825 "Refer parent article N times.
7826 If N is negative, go to ancestor -N instead.
7827 The difference between N and the number of articles fetched is returned."
7831 (when (not (natnump n))
7836 (setq header (gnus-summary-article-header))
7837 (if (and (eq (mail-header-number header)
7838 (cdr gnus-article-current))
7839 (equal gnus-newsgroup-name
7840 (car gnus-article-current)))
7841 ;; If we try to find the parent of the currently
7842 ;; displayed article, then we take a look at the actual
7843 ;; References header, since this is slightly more
7844 ;; reliable than the References field we got from the
7847 (set-buffer gnus-original-article-buffer)
7848 (nnheader-narrow-to-headers)
7849 (unless (setq ref (message-fetch-field "references"))
7850 (setq ref (message-fetch-field "in-reply-to")))
7853 ;; It's not the current article, so we take a bet on
7854 ;; the value we got from the server.
7855 (mail-header-references header)))
7857 (not (equal ref "")))
7858 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
7859 (gnus-message 1 "Couldn't find parent"))
7860 (gnus-message 1 "No references in article %d"
7861 (gnus-summary-article-number))
7864 (gnus-summary-position-point)
7867 (defun gnus-summary-refer-references ()
7868 "Fetch all articles mentioned in the References header.
7869 Return the number of articles fetched."
7871 (let ((ref (mail-header-references (gnus-summary-article-header)))
7872 (current (gnus-summary-article-number))
7876 (error "No References in the current article")
7877 ;; For each Message-ID in the References header...
7878 (while (string-match "<[^>]*>" ref)
7880 ;; ... fetch that article.
7881 (gnus-summary-refer-article
7882 (prog1 (match-string 0 ref)
7883 (setq ref (substring ref (match-end 0))))))
7884 (gnus-summary-goto-subject current)
7885 (gnus-summary-position-point)
7888 (defun gnus-summary-refer-thread (&optional limit)
7889 "Fetch all articles in the current thread.
7890 If LIMIT (the numerical prefix), fetch that many old headers instead
7891 of what's specified by the `gnus-refer-thread-limit' variable."
7893 (let ((id (mail-header-id (gnus-summary-article-header)))
7894 (limit (if limit (prefix-numeric-value limit)
7895 gnus-refer-thread-limit)))
7896 ;; We want to fetch LIMIT *old* headers, but we also have to
7897 ;; re-fetch all the headers in the current buffer, because many of
7898 ;; them may be undisplayed. So we adjust LIMIT.
7899 (when (numberp limit)
7900 (incf limit (- gnus-newsgroup-end gnus-newsgroup-begin)))
7901 (unless (eq gnus-fetch-old-headers 'invisible)
7902 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
7903 ;; Retrieve the headers and read them in.
7904 (if (eq (gnus-retrieve-headers
7905 (list gnus-newsgroup-end) gnus-newsgroup-name limit)
7907 (gnus-build-all-threads)
7908 (error "Can't fetch thread from backends that don't support NOV"))
7909 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
7910 (gnus-summary-limit-include-thread id)))
7912 (defun gnus-summary-refer-article (message-id)
7913 "Fetch an article specified by MESSAGE-ID."
7914 (interactive "sMessage-ID: ")
7915 (when (and (stringp message-id)
7916 (not (zerop (length message-id))))
7917 ;; Construct the correct Message-ID if necessary.
7918 ;; Suggested by tale@pawl.rpi.edu.
7919 (unless (string-match "^<" message-id)
7920 (setq message-id (concat "<" message-id)))
7921 (unless (string-match ">$" message-id)
7922 (setq message-id (concat message-id ">")))
7923 (let* ((header (gnus-id-to-header message-id))
7925 (gnus-summary-article-sparse-p
7926 (mail-header-number header))
7927 (memq (mail-header-number header)
7928 gnus-newsgroup-limit)))
7931 ;; If the article is present in the buffer we just go to it.
7933 (or (not (gnus-summary-article-sparse-p
7934 (mail-header-number header)))
7937 (gnus-summary-goto-article
7938 (mail-header-number header) nil t)
7940 (gnus-summary-update-article (mail-header-number header)))))
7942 ;; We fetch the article.
7944 (dolist (gnus-override-method (gnus-refer-article-methods))
7945 (gnus-check-server gnus-override-method)
7946 ;; Fetch the header, and display the article.
7947 (when (setq number (gnus-summary-insert-subject message-id))
7948 (gnus-summary-select-article nil nil nil number)
7950 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
7952 (defun gnus-refer-article-methods ()
7953 "Return a list of referable methods."
7955 ;; No method, so we default to current and native.
7956 ((null gnus-refer-article-method)
7957 (list gnus-current-select-method gnus-select-method))
7959 ((eq 'current gnus-refer-article-method)
7960 (list gnus-current-select-method))
7961 ;; List of select methods.
7962 ((not (and (symbolp (car gnus-refer-article-method))
7963 (assq (car gnus-refer-article-method) nnoo-definition-alist)))
7965 (dolist (method gnus-refer-article-method)
7966 (push (if (eq 'current method)
7967 gnus-current-select-method
7971 ;; One single select method.
7973 (list gnus-refer-article-method))))
7975 (defun gnus-summary-edit-parameters ()
7976 "Edit the group parameters of the current group."
7978 (gnus-group-edit-group gnus-newsgroup-name 'params))
7980 (defun gnus-summary-customize-parameters ()
7981 "Customize the group parameters of the current group."
7983 (gnus-group-customize gnus-newsgroup-name))
7985 (defun gnus-summary-enter-digest-group (&optional force)
7986 "Enter an nndoc group based on the current article.
7987 If FORCE, force a digest interpretation. If not, try
7988 to guess what the document format is."
7990 (let ((conf gnus-current-window-configuration))
7992 (gnus-summary-select-article))
7993 (setq gnus-current-window-configuration conf)
7994 (let* ((name (format "%s-%d"
7995 (gnus-group-prefixed-name
7996 gnus-newsgroup-name (list 'nndoc ""))
7998 (set-buffer gnus-summary-buffer)
7999 gnus-current-article)))
8000 (ogroup gnus-newsgroup-name)
8001 (params (append (gnus-info-params (gnus-get-info ogroup))
8002 (list (cons 'to-group ogroup))
8003 (list (cons 'save-article-group ogroup))))
8004 (case-fold-search t)
8005 (buf (current-buffer))
8008 (set-buffer gnus-original-article-buffer)
8009 ;; Have the digest group inherit the main mail address of
8010 ;; the parent article.
8011 (when (setq to-address (or (gnus-fetch-field "reply-to")
8012 (gnus-fetch-field "from")))
8013 (setq params (append
8014 (list (cons 'to-address
8015 (funcall gnus-decode-encoded-word-function
8017 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
8018 (insert-buffer-substring gnus-original-article-buffer)
8019 ;; Remove lines that may lead nndoc to misinterpret the
8022 (goto-char (point-min))
8023 (or (search-forward "\n\n" nil t) (point)))
8024 (goto-char (point-min))
8025 (delete-matching-lines "^Path:\\|^From ")
8028 (if (let ((gnus-newsgroup-ephemeral-charset gnus-newsgroup-charset)
8029 (gnus-newsgroup-ephemeral-ignored-charsets
8030 gnus-newsgroup-ignored-charsets))
8031 (gnus-group-read-ephemeral-group
8032 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
8034 ,(if force 'mbox 'guess)))
8036 `((adapt-file . ,(gnus-score-file-name gnus-newsgroup-name
8038 ;; Make all postings to this group go to the parent group.
8039 (nconc (gnus-info-params (gnus-get-info name))
8041 ;; Couldn't select this doc group.
8042 (switch-to-buffer buf)
8043 (gnus-set-global-variables)
8044 (gnus-configure-windows 'summary)
8045 (gnus-message 3 "Article couldn't be entered?"))
8046 (kill-buffer dig)))))
8048 (defun gnus-summary-read-document (n)
8049 "Open a new group based on the current article(s).
8050 This will allow you to read digests and other similar
8051 documents as newsgroups.
8052 Obeys the standard process/prefix convention."
8054 (let* ((articles (gnus-summary-work-articles n))
8055 (ogroup gnus-newsgroup-name)
8056 (params (append (gnus-info-params (gnus-get-info ogroup))
8057 (list (cons 'to-group ogroup))))
8058 article group egroup groups vgroup)
8059 (while (setq article (pop articles))
8060 (setq group (format "%s-%d" gnus-newsgroup-name article))
8061 (gnus-summary-remove-process-mark article)
8062 (when (gnus-summary-display-article article)
8065 (insert-buffer-substring gnus-original-article-buffer)
8066 ;; Remove some headers that may lead nndoc to make
8068 (message-narrow-to-head)
8069 (goto-char (point-min))
8070 (delete-matching-lines "^\\(Path\\):\\|^From ")
8073 (gnus-group-read-ephemeral-group
8074 group `(nndoc ,group (nndoc-address ,(current-buffer))
8075 (nndoc-article-type guess))
8078 ;; Make all postings to this group go to the parent group.
8079 (nconc (gnus-info-params (gnus-get-info egroup))
8081 (push egroup groups))
8082 ;; Couldn't select this doc group.
8083 (gnus-error 3 "Article couldn't be entered"))))))
8084 ;; Now we have selected all the documents.
8087 (error "None of the articles could be interpreted as documents"))
8088 ((gnus-group-read-ephemeral-group
8089 (setq vgroup (format
8090 "nnvirtual:%s-%s" gnus-newsgroup-name
8091 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
8092 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
8094 (cons (current-buffer) 'summary)))
8096 (error "Couldn't select virtual nndoc group")))))
8098 (defun gnus-summary-isearch-article (&optional regexp-p)
8099 "Do incremental search forward on the current article.
8100 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
8102 (gnus-summary-select-article)
8103 (gnus-configure-windows 'article)
8104 (gnus-eval-in-buffer-window gnus-article-buffer
8107 (isearch-forward regexp-p))))
8109 (defun gnus-summary-search-article-forward (regexp &optional backward)
8110 "Search for an article containing REGEXP forward.
8111 If BACKWARD, search backward instead."
8114 (format "Search article %s (regexp%s): "
8115 (if current-prefix-arg "backward" "forward")
8116 (if gnus-last-search-regexp
8117 (concat ", default " gnus-last-search-regexp)
8119 current-prefix-arg))
8120 (if (string-equal regexp "")
8121 (setq regexp (or gnus-last-search-regexp ""))
8122 (setq gnus-last-search-regexp regexp)
8123 (setq gnus-article-before-search gnus-current-article))
8124 ;; Intentionally set gnus-last-article.
8125 (setq gnus-last-article gnus-article-before-search)
8126 (let ((gnus-last-article gnus-last-article))
8127 (if (gnus-summary-search-article regexp backward)
8128 (gnus-summary-show-thread)
8129 (error "Search failed: \"%s\"" regexp))))
8131 (defun gnus-summary-search-article-backward (regexp)
8132 "Search for an article containing REGEXP backward."
8135 (format "Search article backward (regexp%s): "
8136 (if gnus-last-search-regexp
8137 (concat ", default " gnus-last-search-regexp)
8139 (gnus-summary-search-article-forward regexp 'backward))
8141 (defun gnus-summary-search-article (regexp &optional backward)
8142 "Search for an article containing REGEXP.
8143 Optional argument BACKWARD means do search for backward.
8144 `gnus-select-article-hook' is not called during the search."
8145 ;; We have to require this here to make sure that the following
8146 ;; dynamic binding isn't shadowed by autoloading.
8147 (require 'gnus-async)
8149 (let ((gnus-select-article-hook nil) ;Disable hook.
8150 (gnus-article-prepare-hook nil)
8151 (gnus-mark-article-hook nil) ;Inhibit marking as read.
8152 (gnus-use-article-prefetch nil)
8153 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
8154 (gnus-use-trees nil) ;Inhibit updating tree buffer.
8155 (sum (current-buffer))
8156 (gnus-display-mime-function nil)
8159 (gnus-save-hidden-threads
8160 (gnus-summary-select-article)
8161 (set-buffer gnus-article-buffer)
8162 (goto-char (window-point (get-buffer-window (current-buffer))))
8166 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
8168 (re-search-backward regexp nil t)
8169 (re-search-forward regexp nil t))
8170 ;; We found the regexp.
8175 (get-buffer-window (current-buffer))
8179 (get-buffer-window (current-buffer))
8182 (setq point (point)))
8183 ;; We didn't find it, so we go to the next article.
8186 (while (eq found 'not)
8187 (if (not (if backward (gnus-summary-find-prev)
8188 (gnus-summary-find-next)))
8189 ;; No more articles.
8191 ;; Select the next article and adjust point.
8192 (unless (gnus-summary-article-sparse-p
8193 (gnus-summary-article-number))
8195 (gnus-summary-select-article)
8196 (set-buffer gnus-article-buffer)
8198 (goto-char (if backward (point-max) (point-min))))))))
8199 (gnus-message 7 ""))
8200 ;; Return whether we found the regexp.
8201 (when (eq found 'found)
8203 (gnus-summary-show-thread)
8204 (gnus-summary-goto-subject gnus-current-article)
8205 (gnus-summary-position-point)
8208 (defun gnus-find-matching-articles (header regexp)
8209 "Return a list of all articles that match REGEXP on HEADER.
8210 This search includes all articles in the current group that Gnus has
8211 fetched headers for, whether they are displayed or not."
8212 (let ((articles nil)
8213 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
8214 (case-fold-search t))
8215 (dolist (header gnus-newsgroup-headers)
8216 (when (string-match regexp (funcall func header))
8217 (push (mail-header-number header) articles)))
8218 (nreverse articles)))
8220 (defun gnus-summary-find-matching (header regexp &optional backward unread
8221 not-case-fold not-matching)
8222 "Return a list of all articles that match REGEXP on HEADER.
8223 The search stars on the current article and goes forwards unless
8224 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
8225 If UNREAD is non-nil, only unread articles will
8226 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
8227 in the comparisons. If NOT-MATCHING, return a list of all articles that
8228 not match REGEXP on HEADER."
8229 (let ((case-fold-search (not not-case-fold))
8232 (if (eq (car header) 'extra)
8235 (or (cdr (assq ',(cdr header) (mail-header-extra h)))
8237 (error "%s is an invalid header" header))
8238 (unless (fboundp (intern (concat "mail-header-" header)))
8239 (error "%s is not a valid header" header))
8240 (setq func `(lambda (h) (,(intern (concat "mail-header-" header)) h))))
8241 (dolist (d (if (eq backward 'all)
8243 (gnus-data-find-list
8244 (gnus-summary-article-number)
8245 (gnus-data-list backward))))
8246 (when (and (or (not unread) ; We want all articles...
8247 (gnus-data-unread-p d)) ; Or just unreads.
8248 (vectorp (gnus-data-header d)) ; It's not a pseudo.
8252 (funcall func (gnus-data-header d))))
8253 (string-match regexp
8254 (funcall func (gnus-data-header d)))))
8255 (push (gnus-data-number d) articles))) ; Success!
8256 (nreverse articles)))
8258 (defun gnus-summary-execute-command (header regexp command &optional backward)
8259 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
8260 If HEADER is an empty string (or nil), the match is done on the entire
8261 article. If BACKWARD (the prefix) is non-nil, search backward instead."
8263 (list (let ((completion-ignore-case t))
8266 (mapcar (lambda (header) (list (format "%s" header)))
8268 '("Number" "Subject" "From" "Lines" "Date"
8269 "Message-ID" "Xref" "References" "Body")
8270 gnus-extra-headers))
8271 nil 'require-match))
8272 (read-string "Regexp: ")
8273 (read-key-sequence "Command: ")
8274 current-prefix-arg))
8275 (when (equal header "Body")
8277 ;; Hidden thread subtrees must be searched as well.
8278 (gnus-summary-show-all-threads)
8279 ;; We don't want to change current point nor window configuration.
8281 (save-window-excursion
8283 gnus-treat-strip-trailing-blank-lines
8284 gnus-treat-strip-leading-blank-lines
8285 gnus-treat-strip-multiple-blank-lines
8286 gnus-treat-hide-boring-headers
8287 gnus-treat-fold-newsgroups
8288 gnus-article-prepare-hook)
8289 (gnus-message 6 "Executing %s..." (key-description command))
8290 ;; We'd like to execute COMMAND interactively so as to give arguments.
8291 (gnus-execute header regexp
8292 `(call-interactively ',(key-binding command))
8294 (gnus-message 6 "Executing %s...done" (key-description command))))))
8296 (defun gnus-summary-beginning-of-article ()
8297 "Scroll the article back to the beginning."
8299 (gnus-summary-select-article)
8300 (gnus-configure-windows 'article)
8301 (gnus-eval-in-buffer-window gnus-article-buffer
8303 (goto-char (point-min))
8304 (when gnus-page-broken
8305 (gnus-narrow-to-page))))
8307 (defun gnus-summary-end-of-article ()
8308 "Scroll to the end of the article."
8310 (gnus-summary-select-article)
8311 (gnus-configure-windows 'article)
8312 (gnus-eval-in-buffer-window gnus-article-buffer
8314 (goto-char (point-max))
8316 (when gnus-page-broken
8317 (gnus-narrow-to-page))))
8319 (defun gnus-summary-print-truncate-and-quote (string &optional len)
8320 "Truncate to LEN and quote all \"(\"'s in STRING."
8321 (gnus-replace-in-string (if (and len (> (length string) len))
8322 (substring string 0 len)
8326 (defun gnus-summary-print-article (&optional filename n)
8327 "Generate and print a PostScript image of the N next (mail) articles.
8329 If N is negative, print the N previous articles. If N is nil and articles
8330 have been marked with the process mark, print these instead.
8332 If the optional first argument FILENAME is nil, send the image to the
8333 printer. If FILENAME is a string, save the PostScript image in a file with
8334 that name. If FILENAME is a number, prompt the user for the name of the file
8336 (interactive (list (ps-print-preprint current-prefix-arg)))
8337 (dolist (article (gnus-summary-work-articles n))
8338 (gnus-summary-select-article nil nil 'pseudo article)
8339 (gnus-eval-in-buffer-window gnus-article-buffer
8340 (gnus-print-buffer))
8341 (gnus-summary-remove-process-mark article))
8342 (ps-despool filename))
8344 (defun gnus-print-buffer ()
8345 (let ((buffer (generate-new-buffer " *print*")))
8348 (copy-to-buffer buffer (point-min) (point-max))
8350 (gnus-article-delete-invisible-text)
8351 (gnus-remove-text-with-property 'gnus-decoration)
8352 (when (gnus-visual-p 'article-highlight 'highlight)
8353 ;; Copy-to-buffer doesn't copy overlay. So redo
8355 (let ((gnus-article-buffer buffer))
8356 (gnus-article-highlight-citation t)
8357 (gnus-article-highlight-signature)))
8358 (let ((ps-left-header
8361 (gnus-summary-print-truncate-and-quote
8362 (mail-header-subject gnus-current-headers)
8365 (gnus-summary-print-truncate-and-quote
8366 (mail-header-from gnus-current-headers)
8370 "/pagenumberstring load"
8372 (mail-header-date gnus-current-headers) ")"))))
8373 (gnus-run-hooks 'gnus-ps-print-hook)
8376 (ps-spool-buffer-with-faces)
8377 (ps-spool-buffer)))))
8378 (kill-buffer buffer))))
8380 (defun gnus-summary-show-article (&optional arg)
8381 "Force redisplaying of the current article.
8382 If ARG (the prefix) is a number, show the article with the charset
8383 defined in `gnus-summary-show-article-charset-alist', or the charset
8385 If ARG (the prefix) is non-nil and not a number, show the raw article
8386 without any article massaging functions being run. Normally, the key strokes
8391 (gnus-summary-show-article t)
8392 (let ((gnus-newsgroup-charset
8393 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
8394 (mm-read-coding-system
8395 "View as charset: " ;; actually it is coding system.
8397 (set-buffer gnus-article-buffer)
8398 (mm-detect-coding-region (point) (point-max))))))
8399 (gnus-newsgroup-ignored-charsets 'gnus-all))
8400 (gnus-summary-select-article nil 'force)
8401 (let ((deps gnus-newsgroup-dependencies)
8404 (set-buffer gnus-original-article-buffer)
8406 (message-narrow-to-head)
8407 (setq head (buffer-string))
8408 (goto-char (point-min))
8409 (unless (re-search-forward "^lines:[ \t]\\([0-9]+\\)" nil t)
8410 (goto-char (point-max))
8412 (setq lines (1- (count-lines (point) (point-max))))))
8414 (insert (format "211 %d Article retrieved.\n"
8415 (cdr gnus-article-current)))
8417 (if lines (insert (format "Lines: %d\n" lines)))
8419 (let ((nntp-server-buffer (current-buffer)))
8420 (setq header (car (gnus-get-newsgroup-headers deps t))))))
8421 (gnus-data-set-header
8422 (gnus-data-find (cdr gnus-article-current))
8424 (gnus-summary-update-article-line
8425 (cdr gnus-article-current) header)
8426 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
8427 (gnus-summary-update-secondary-mark (cdr gnus-article-current))))))
8429 ;; Select the article the normal way.
8430 (gnus-summary-select-article nil 'force))
8432 ;; We have to require this here to make sure that the following
8433 ;; dynamic binding isn't shadowed by autoloading.
8434 (require 'gnus-async)
8436 ;; Bind the article treatment functions to nil.
8437 (let ((gnus-have-all-headers t)
8438 gnus-article-prepare-hook
8439 gnus-article-decode-hook
8440 gnus-display-mime-function
8442 ;; Destroy any MIME parts.
8443 (when (gnus-buffer-live-p gnus-article-buffer)
8445 (set-buffer gnus-article-buffer)
8446 (mm-destroy-parts gnus-article-mime-handles)
8447 ;; Set it to nil for safety reason.
8448 (setq gnus-article-mime-handle-alist nil)
8449 (setq gnus-article-mime-handles nil)))
8450 (gnus-summary-select-article nil 'force))))
8451 (gnus-summary-goto-subject gnus-current-article)
8452 (gnus-summary-position-point))
8454 (defun gnus-summary-show-raw-article ()
8455 "Show the raw article without any article massaging functions being run."
8457 (gnus-summary-show-article t))
8459 (defun gnus-summary-verbose-headers (&optional arg)
8460 "Toggle permanent full header display.
8461 If ARG is a positive number, turn header display on.
8462 If ARG is a negative number, turn header display off."
8464 (setq gnus-show-all-headers
8465 (cond ((or (not (numberp arg))
8467 (not gnus-show-all-headers))
8470 (gnus-summary-show-article))
8472 (defun gnus-summary-toggle-header (&optional arg)
8473 "Show the headers if they are hidden, or hide them if they are shown.
8474 If ARG is a positive number, show the entire header.
8475 If ARG is a negative number, hide the unwanted header lines."
8477 (let ((window (and (gnus-buffer-live-p gnus-article-buffer)
8478 (get-buffer-window gnus-article-buffer t))))
8479 (with-current-buffer gnus-article-buffer
8481 (article-narrow-to-head)
8482 (let* ((buffer-read-only nil)
8483 (inhibit-point-motion-hooks t)
8484 (hidden (if (numberp arg)
8486 (gnus-article-hidden-text-p 'headers)))
8488 (delete-region (point-min) (point-max))
8489 (with-current-buffer gnus-original-article-buffer
8490 (goto-char (setq s (point-min)))
8491 (setq e (if (search-forward "\n\n" nil t)
8494 (insert-buffer-substring gnus-original-article-buffer s e)
8495 (article-decode-encoded-words)
8497 (let ((gnus-treat-hide-headers nil)
8498 (gnus-treat-hide-boring-headers nil))
8499 (gnus-delete-wash-type 'headers)
8500 (gnus-treat-article 'head))
8501 (gnus-treat-article 'head))
8504 (set-window-start window (goto-char (point-min))))
8505 (setq gnus-page-broken
8506 (when gnus-break-pages
8507 (gnus-narrow-to-page)
8509 (gnus-set-mode-line 'article)))))
8511 (defun gnus-summary-show-all-headers ()
8512 "Make all header lines visible."
8514 (gnus-summary-toggle-header 1))
8516 (defun gnus-summary-caesar-message (&optional arg)
8517 "Caesar rotate the current article by 13.
8518 The numerical prefix specifies how many places to rotate each letter
8521 (gnus-summary-select-article)
8522 (let ((mail-header-separator ""))
8523 (gnus-eval-in-buffer-window gnus-article-buffer
8526 (let ((start (window-start))
8528 (message-caesar-buffer-body arg)
8529 (set-window-start (get-buffer-window (current-buffer)) start))))))
8531 (autoload 'unmorse-region "morse"
8532 "Convert morse coded text in region to ordinary ASCII text."
8535 (defun gnus-summary-morse-message (&optional arg)
8536 "Morse decode the current article."
8538 (gnus-summary-select-article)
8539 (let ((mail-header-separator ""))
8540 (gnus-eval-in-buffer-window gnus-article-buffer
8544 (let ((pos (window-start))
8546 (goto-char (point-min))
8547 (when (message-goto-body)
8548 (gnus-narrow-to-body))
8549 (goto-char (point-min))
8550 (while (re-search-forward "·" (point-max) t)
8551 (replace-match "."))
8552 (unmorse-region (point-min) (point-max))
8554 (set-window-start (get-buffer-window (current-buffer)) pos)))))))
8556 (defun gnus-summary-stop-page-breaking ()
8557 "Stop page breaking in the current article."
8559 (gnus-summary-select-article)
8560 (gnus-eval-in-buffer-window gnus-article-buffer
8562 (when (gnus-visual-p 'page-marker)
8563 (let ((buffer-read-only nil))
8564 (gnus-remove-text-with-property 'gnus-prev)
8565 (gnus-remove-text-with-property 'gnus-next))
8566 (setq gnus-page-broken nil))))
8568 (defun gnus-summary-move-article (&optional n to-newsgroup
8569 select-method action)
8570 "Move the current article to a different newsgroup.
8571 If N is a positive number, move the N next articles.
8572 If N is a negative number, move the N previous articles.
8573 If N is nil and any articles have been marked with the process mark,
8574 move those articles instead.
8575 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
8576 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
8577 re-spool using this method.
8579 When called interactively with TO-NEWSGROUP being nil, the value of
8580 the variable `gnus-move-split-methods' is used for finding a default
8581 for the target newsgroup.
8583 For this function to work, both the current newsgroup and the
8584 newsgroup that you want to move to have to support the `request-move'
8585 and `request-accept' functions.
8587 ACTION can be either `move' (the default), `crosspost' or `copy'."
8590 (setq action 'move))
8591 ;; Check whether the source group supports the required functions.
8592 (cond ((and (eq action 'move)
8593 (not (gnus-check-backend-function
8594 'request-move-article gnus-newsgroup-name)))
8595 (error "The current group does not support article moving"))
8596 ((and (eq action 'crosspost)
8597 (not (gnus-check-backend-function
8598 'request-replace-article gnus-newsgroup-name)))
8599 (error "The current group does not support article editing")))
8600 (let ((articles (gnus-summary-work-articles n))
8601 (prefix (if (gnus-check-backend-function
8602 'request-move-article gnus-newsgroup-name)
8603 (gnus-group-real-prefix gnus-newsgroup-name)
8605 (names '((move "Move" "Moving")
8606 (copy "Copy" "Copying")
8607 (crosspost "Crosspost" "Crossposting")))
8608 (copy-buf (save-excursion
8609 (nnheader-set-temp-buffer " *copy article*")))
8610 art-group to-method new-xref article to-groups)
8611 (unless (assq action names)
8612 (error "Unknown action %s" action))
8613 ;; Read the newsgroup name.
8614 (when (and (not to-newsgroup)
8615 (not select-method))
8616 (if (and gnus-move-split-methods
8618 (and (memq gnus-current-article articles)
8619 (gnus-buffer-live-p gnus-original-article-buffer))))
8620 ;; When `gnus-move-split-methods' is non-nil, we have to
8621 ;; select an article to give `gnus-read-move-group-name' an
8622 ;; opportunity to suggest an appropriate default. However,
8623 ;; we needn't render or mark the article.
8624 (let ((gnus-display-mime-function nil)
8625 (gnus-article-prepare-hook nil)
8626 (gnus-mark-article-hook nil))
8627 (gnus-summary-select-article nil nil nil (car articles))))
8629 (gnus-read-move-group-name
8630 (cadr (assq action names))
8631 (symbol-value (intern (format "gnus-current-%s-group" action)))
8633 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
8634 (setq to-method (or select-method
8635 (gnus-server-to-method
8636 (gnus-group-method to-newsgroup))))
8637 ;; Check the method we are to move this article to...
8638 (unless (gnus-check-backend-function
8639 'request-accept-article (car to-method))
8640 (error "%s does not support article copying" (car to-method)))
8641 (unless (gnus-check-server to-method)
8642 (error "Can't open server %s" (car to-method)))
8643 (gnus-message 6 "%s to %s: %s..."
8644 (caddr (assq action names))
8645 (or (car select-method) to-newsgroup) articles)
8647 (setq article (pop articles))
8651 ;; Move the article.
8653 ;; Remove this article from future suppression.
8654 (gnus-dup-unsuppress-article article)
8655 (gnus-request-move-article
8656 article ; Article to move
8657 gnus-newsgroup-name ; From newsgroup
8658 (nth 1 (gnus-find-method-for-group
8659 gnus-newsgroup-name)) ; Server
8660 (list 'gnus-request-accept-article
8661 to-newsgroup (list 'quote select-method)
8662 (not articles) t) ; Accept form
8663 (not articles))) ; Only save nov last time
8664 ;; Copy the article.
8667 (set-buffer copy-buf)
8668 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
8669 (gnus-request-accept-article
8670 to-newsgroup select-method (not articles) t))))
8671 ;; Crosspost the article.
8672 ((eq action 'crosspost)
8673 (let ((xref (message-tokenize-header
8674 (mail-header-xref (gnus-summary-article-header article))
8676 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
8677 ":" (number-to-string article)))
8679 (setq xref (list (system-name))))
8682 (mapconcat 'identity
8683 (delete "Xref:" (delete new-xref xref))
8687 (set-buffer copy-buf)
8688 ;; First put the article in the destination group.
8689 (gnus-request-article-this-buffer article gnus-newsgroup-name)
8690 (when (consp (setq art-group
8691 (gnus-request-accept-article
8692 to-newsgroup select-method (not articles))))
8693 (setq new-xref (concat new-xref " " (car art-group)
8695 (number-to-string (cdr art-group))))
8696 ;; Now we have the new Xrefs header, so we insert
8697 ;; it and replace the new article.
8698 (nnheader-replace-header "Xref" new-xref)
8699 (gnus-request-replace-article
8700 (cdr art-group) to-newsgroup (current-buffer))
8704 (gnus-message 1 "Couldn't %s article %s: %s"
8705 (cadr (assq action names)) article
8706 (nnheader-get-report (car to-method))))
8707 ((eq art-group 'junk)
8708 (when (eq action 'move)
8709 (gnus-summary-mark-article article gnus-canceled-mark)
8710 (gnus-message 4 "Deleted article %s" article)))
8712 (let* ((pto-group (gnus-group-prefixed-name
8713 (car art-group) to-method))
8715 (gnus-gethash pto-group gnus-newsrc-hashtb))
8716 (info (nth 2 entry))
8717 (to-group (gnus-info-group info))
8719 ;; Update the group that has been moved to.
8721 (memq action '(move copy)))
8722 (unless (member to-group to-groups)
8723 (push to-group to-groups))
8725 (unless (memq article gnus-newsgroup-unreads)
8726 (push 'read to-marks)
8728 info (gnus-add-to-range (gnus-info-read info)
8729 (list (cdr art-group)))))
8731 ;; See whether the article is to be put in the cache.
8732 (let ((marks gnus-article-mark-lists)
8733 (to-article (cdr art-group)))
8735 ;; Enter the article into the cache in the new group,
8736 ;; if that is required.
8737 (when gnus-use-cache
8738 (gnus-cache-possibly-enter-article
8740 (memq article gnus-newsgroup-marked)
8741 (memq article gnus-newsgroup-dormant)
8742 (memq article gnus-newsgroup-unreads)))
8744 (when gnus-preserve-marks
8745 ;; Copy any marks over to the new group.
8746 (when (and (equal to-group gnus-newsgroup-name)
8747 (not (memq article gnus-newsgroup-unreads)))
8748 ;; Mark this article as read in this group.
8749 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
8750 (setcdr (gnus-active to-group) to-article)
8751 (setcdr gnus-newsgroup-active to-article))
8754 (when (eq (gnus-article-mark-to-type (cdar marks)) 'list)
8755 (when (memq article (symbol-value
8756 (intern (format "gnus-newsgroup-%s"
8758 (push (cdar marks) to-marks)
8759 ;; If the other group is the same as this group,
8760 ;; then we have to add the mark to the list.
8761 (when (equal to-group gnus-newsgroup-name)
8762 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
8765 (intern (format "gnus-newsgroup-%s"
8767 ;; Copy the marks to other group.
8768 (gnus-add-marked-articles
8769 to-group (cdar marks) (list to-article) info)))
8770 (setq marks (cdr marks)))
8772 (gnus-request-set-mark
8773 to-group (list (list (list to-article) 'add to-marks))))
8776 (concat "(gnus-group-set-info '"
8777 (gnus-prin1-to-string (gnus-get-info to-group))
8780 ;; Update the Xref header in this article to point to
8781 ;; the new crossposted article we have just created.
8782 (when (eq action 'crosspost)
8784 (set-buffer copy-buf)
8785 (gnus-request-article-this-buffer article gnus-newsgroup-name)
8786 (nnheader-replace-header "Xref" new-xref)
8787 (gnus-request-replace-article
8788 article gnus-newsgroup-name (current-buffer)))))
8790 ;;;!!!Why is this necessary?
8791 (set-buffer gnus-summary-buffer)
8793 (gnus-summary-goto-subject article)
8794 (when (eq action 'move)
8795 (gnus-summary-mark-article article gnus-canceled-mark))))
8796 (gnus-summary-remove-process-mark article))
8797 ;; Re-activate all groups that have been moved to.
8799 (set-buffer gnus-group-buffer)
8800 (let ((gnus-group-marked to-groups))
8801 (gnus-group-get-new-news-this-group nil t)))
8803 (gnus-kill-buffer copy-buf)
8804 (gnus-summary-position-point)
8805 (gnus-set-mode-line 'summary)))
8807 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
8808 "Move the current article to a different newsgroup.
8809 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
8810 When called interactively, if TO-NEWSGROUP is nil, use the value of
8811 the variable `gnus-move-split-methods' for finding a default target
8813 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
8814 re-spool using this method."
8816 (gnus-summary-move-article n to-newsgroup select-method 'copy))
8818 (defun gnus-summary-crosspost-article (&optional n)
8819 "Crosspost the current article to some other group."
8821 (gnus-summary-move-article n nil nil 'crosspost))
8823 (defcustom gnus-summary-respool-default-method nil
8824 "Default method type for respooling an article.
8825 If nil, use to the current newsgroup method."
8827 :group 'gnus-summary-mail)
8829 (defcustom gnus-summary-display-while-building nil
8830 "If not-nil, show and update the summary buffer as it's being built.
8831 If the value is t, update the buffer after every line is inserted. If
8832 the value is an integer (N), update the display every N lines."
8834 :type '(choice (const :tag "off" nil)
8836 (const :tag "frequently" t)))
8838 (defun gnus-summary-respool-article (&optional n method)
8839 "Respool the current article.
8840 The article will be squeezed through the mail spooling process again,
8841 which means that it will be put in some mail newsgroup or other
8842 depending on `nnmail-split-methods'.
8843 If N is a positive number, respool the N next articles.
8844 If N is a negative number, respool the N previous articles.
8845 If N is nil and any articles have been marked with the process mark,
8846 respool those articles instead.
8848 Respooling can be done both from mail groups and \"real\" newsgroups.
8849 In the former case, the articles in question will be moved from the
8850 current group into whatever groups they are destined to. In the
8851 latter case, they will be copied into the relevant groups."
8853 (list current-prefix-arg
8854 (let* ((methods (gnus-methods-using 'respool))
8856 (symbol-name (or gnus-summary-respool-default-method
8857 (car (gnus-find-method-for-group
8858 gnus-newsgroup-name)))))
8860 (gnus-completing-read-with-default
8861 methname "What backend do you want to use when respooling?"
8862 methods nil t nil 'gnus-mail-method-history))
8865 ((zerop (length (setq ms (gnus-servers-using-backend
8867 (list (intern method) ""))
8871 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
8872 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
8875 (error "No method given for respooling"))
8876 (if (assoc (symbol-name
8877 (car (gnus-find-method-for-group gnus-newsgroup-name)))
8878 (gnus-methods-using 'respool))
8879 (gnus-summary-move-article n nil method)
8880 (gnus-summary-copy-article n nil method)))
8882 (defun gnus-summary-import-article (file &optional edit)
8883 "Import an arbitrary file into a mail newsgroup."
8884 (interactive "fImport file: \nP")
8885 (let ((group gnus-newsgroup-name)
8886 (now (current-time))
8887 atts lines group-art)
8888 (unless (gnus-check-backend-function 'request-accept-article group)
8889 (error "%s does not support article importing" group))
8890 (or (file-readable-p file)
8891 (not (file-regular-p file))
8892 (error "Can't read %s" file))
8894 (set-buffer (gnus-get-buffer-create " *import file*"))
8896 (nnheader-insert-file-contents file)
8897 (goto-char (point-min))
8898 (if (nnheader-article-p)
8900 (goto-char (point-min))
8901 (search-forward "\n\n" nil t)
8902 (narrow-to-region (point-min) (1- (point)))
8903 (goto-char (point-min))
8904 (unless (re-search-forward "^date:" nil t)
8905 (goto-char (point-max))
8906 (insert "Date: " (message-make-date (nth 5 atts)) "\n")))
8907 ;; This doesn't look like an article, so we fudge some headers.
8908 (setq atts (file-attributes file)
8909 lines (count-lines (point-min) (point-max)))
8910 (insert "From: " (read-string "From: ") "\n"
8911 "Subject: " (read-string "Subject: ") "\n"
8912 "Date: " (message-make-date (nth 5 atts)) "\n"
8913 "Message-ID: " (message-make-message-id) "\n"
8914 "Lines: " (int-to-string lines) "\n"
8915 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
8916 (setq group-art (gnus-request-accept-article group nil t))
8917 (kill-buffer (current-buffer)))
8918 (setq gnus-newsgroup-active (gnus-activate-group group))
8920 (gnus-summary-goto-article (cdr group-art) nil t)
8922 (gnus-summary-edit-article))))
8924 (defun gnus-summary-create-article ()
8925 "Create an article in a mail newsgroup."
8927 (let ((group gnus-newsgroup-name)
8928 (now (current-time))
8930 (unless (gnus-check-backend-function 'request-accept-article group)
8931 (error "%s does not support article importing" group))
8933 (set-buffer (gnus-get-buffer-create " *import file*"))
8935 (goto-char (point-min))
8936 ;; This doesn't look like an article, so we fudge some headers.
8937 (insert "From: " (read-string "From: ") "\n"
8938 "Subject: " (read-string "Subject: ") "\n"
8939 "Date: " (message-make-date now) "\n"
8940 "Message-ID: " (message-make-message-id) "\n")
8941 (setq group-art (gnus-request-accept-article group nil t))
8942 (kill-buffer (current-buffer)))
8943 (setq gnus-newsgroup-active (gnus-activate-group group))
8945 (gnus-summary-goto-article (cdr group-art) nil t)
8946 (gnus-summary-edit-article)))
8948 (defun gnus-summary-article-posted-p ()
8949 "Say whether the current (mail) article is available from news as well.
8950 This will be the case if the article has both been mailed and posted."
8952 (let ((id (mail-header-references (gnus-summary-article-header)))
8953 (gnus-override-method (car (gnus-refer-article-methods))))
8954 (if (gnus-request-head id "")
8955 (gnus-message 2 "The current message was found on %s"
8956 gnus-override-method)
8957 (gnus-message 2 "The current message couldn't be found on %s"
8958 gnus-override-method)
8961 (defun gnus-summary-expire-articles (&optional now)
8962 "Expire all articles that are marked as expirable in the current group."
8964 (when (gnus-check-backend-function
8965 'request-expire-articles gnus-newsgroup-name)
8966 ;; This backend supports expiry.
8967 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
8968 (expirable (if total
8970 ;; We need to update the info for
8971 ;; this group for `gnus-list-of-read-articles'
8972 ;; to give us the right answer.
8973 (gnus-run-hooks 'gnus-exit-group-hook)
8974 (gnus-summary-update-info)
8975 (gnus-list-of-read-articles gnus-newsgroup-name))
8976 (setq gnus-newsgroup-expirable
8977 (sort gnus-newsgroup-expirable '<))))
8978 (expiry-wait (if now 'immediate
8979 (gnus-group-find-parameter
8980 gnus-newsgroup-name 'expiry-wait)))
8981 (nnmail-expiry-target
8982 (or (gnus-group-find-parameter gnus-newsgroup-name 'expiry-target)
8983 nnmail-expiry-target))
8986 ;; There are expirable articles in this group, so we run them
8987 ;; through the expiry process.
8988 (gnus-message 6 "Expiring articles...")
8989 (unless (gnus-check-group gnus-newsgroup-name)
8990 (error "Can't open server for %s" gnus-newsgroup-name))
8991 ;; The list of articles that weren't expired is returned.
8994 (let ((nnmail-expiry-wait-function nil)
8995 (nnmail-expiry-wait expiry-wait))
8996 (setq es (gnus-request-expire-articles
8997 expirable gnus-newsgroup-name)))
8998 (setq es (gnus-request-expire-articles
8999 expirable gnus-newsgroup-name)))
9001 (setq gnus-newsgroup-expirable es))
9002 ;; We go through the old list of expirable, and mark all
9003 ;; really expired articles as nonexistent.
9004 (unless (eq es expirable) ;If nothing was expired, we don't mark.
9005 (let ((gnus-use-cache nil))
9006 (dolist (article expirable)
9007 (when (and (not (memq article es))
9008 (gnus-data-find article))
9009 (gnus-summary-mark-article article gnus-canceled-mark))))))
9010 (gnus-message 6 "Expiring articles...done")))))
9012 (defun gnus-summary-expire-articles-now ()
9013 "Expunge all expirable articles in the current group.
9014 This means that *all* articles that are marked as expirable will be
9015 deleted forever, right now."
9017 (or gnus-expert-user
9019 "Are you really, really, really sure you want to delete all these messages? ")
9021 (gnus-summary-expire-articles t))
9023 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
9024 (defun gnus-summary-delete-article (&optional n)
9025 "Delete the N next (mail) articles.
9026 This command actually deletes articles. This is not a marking
9027 command. The article will disappear forever from your life, never to
9029 If N is negative, delete backwards.
9030 If N is nil and articles have been marked with the process mark,
9031 delete these instead."
9033 (unless (gnus-check-backend-function 'request-expire-articles
9034 gnus-newsgroup-name)
9035 (error "The current newsgroup does not support article deletion"))
9036 (unless (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
9037 (error "Couldn't open server"))
9038 ;; Compute the list of articles to delete.
9039 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
9040 (nnmail-expiry-target 'delete)
9042 (if (and gnus-novice-user
9043 (not (gnus-yes-or-no-p
9044 (format "Do you really want to delete %s forever? "
9045 (if (> (length articles) 1)
9046 (format "these %s articles" (length articles))
9049 ;; Delete the articles.
9050 (setq not-deleted (gnus-request-expire-articles
9051 articles gnus-newsgroup-name 'force))
9053 (gnus-summary-remove-process-mark (car articles))
9054 ;; The backend might not have been able to delete the article
9056 (unless (memq (car articles) not-deleted)
9057 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
9058 (setq articles (cdr articles)))
9060 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
9061 (gnus-summary-position-point)
9062 (gnus-set-mode-line 'summary)
9065 (defun gnus-summary-edit-article (&optional arg)
9066 "Edit the current article.
9067 This will have permanent effect only in mail groups.
9068 If ARG is nil, edit the decoded articles.
9069 If ARG is 1, edit the raw articles.
9070 If ARG is 2, edit the raw articles even in read-only groups.
9071 If ARG is 3, edit the articles with the current handles.
9072 Otherwise, allow editing of articles even in read-only
9075 (let (force raw current-handles)
9084 (setq current-handles
9085 (and (gnus-buffer-live-p gnus-article-buffer)
9086 (with-current-buffer gnus-article-buffer
9088 gnus-article-mime-handles
9089 (setq gnus-article-mime-handles nil))))))
9092 (when (and raw (not force)
9093 (member gnus-newsgroup-name '("nndraft:delayed"
9096 (error "Can't edit the raw article in group %s"
9097 gnus-newsgroup-name))
9099 (set-buffer gnus-summary-buffer)
9100 (let ((mail-parse-charset gnus-newsgroup-charset)
9101 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets))
9102 (gnus-set-global-variables)
9103 (when (and (not force)
9104 (gnus-group-read-only-p))
9105 (error "The current newsgroup does not support article editing"))
9106 (gnus-summary-show-article t)
9107 (when (and (not raw) (gnus-buffer-live-p gnus-article-buffer))
9108 (with-current-buffer gnus-article-buffer
9109 (mm-enable-multibyte)))
9110 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
9112 (gnus-article-edit-article
9115 (let ((mbl mml-buffer-list))
9116 (setq mml-buffer-list nil)
9117 (mime-to-mml ,'current-handles)
9118 (let ((mbl1 mml-buffer-list))
9119 (setq mml-buffer-list mbl)
9120 (set (make-local-variable 'mml-buffer-list) mbl1))
9121 (make-local-hook 'kill-buffer-hook)
9122 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t))))
9123 `(lambda (no-highlight)
9124 (let ((mail-parse-charset ',gnus-newsgroup-charset)
9125 (message-options message-options)
9126 (message-options-set-recipient)
9127 (mail-parse-ignored-charsets
9128 ',gnus-newsgroup-ignored-charsets))
9129 ,(if (not raw) '(progn
9131 (mml-destroy-buffers)
9132 (remove-hook 'kill-buffer-hook
9133 'mml-destroy-buffers t)
9134 (kill-local-variable 'mml-buffer-list)))
9135 (gnus-summary-edit-article-done
9136 ,(or (mail-header-references gnus-current-headers) "")
9137 ,(gnus-group-read-only-p)
9138 ,gnus-summary-buffer no-highlight))))))))
9140 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
9142 (defun gnus-summary-edit-article-done (&optional references read-only buffer
9144 "Make edits to the current article permanent."
9147 ;; The buffer restriction contains the entire article if it exists.
9148 (when (article-goto-body)
9149 (let ((lines (count-lines (point) (point-max)))
9150 (length (- (point-max) (point)))
9151 (case-fold-search t)
9152 (body (copy-marker (point))))
9153 (goto-char (point-min))
9154 (when (re-search-forward "^content-length:[ \t]\\([0-9]+\\)" body t)
9155 (delete-region (match-beginning 1) (match-end 1))
9156 (insert (number-to-string length)))
9157 (goto-char (point-min))
9158 (when (re-search-forward
9159 "^x-content-length:[ \t]\\([0-9]+\\)" body t)
9160 (delete-region (match-beginning 1) (match-end 1))
9161 (insert (number-to-string length)))
9162 (goto-char (point-min))
9163 (when (re-search-forward "^lines:[ \t]\\([0-9]+\\)" body t)
9164 (delete-region (match-beginning 1) (match-end 1))
9165 (insert (number-to-string lines))))))
9166 ;; Replace the article.
9167 (let ((buf (current-buffer)))
9169 (insert-buffer-substring buf)
9171 (if (and (not read-only)
9172 (not (gnus-request-replace-article
9173 (cdr gnus-article-current) (car gnus-article-current)
9174 (current-buffer) t)))
9175 (error "Couldn't replace article")
9176 ;; Update the summary buffer.
9178 (equal (message-tokenize-header references " ")
9179 (message-tokenize-header
9180 (or (message-fetch-field "references") "") " ")))
9181 ;; We only have to update this line.
9184 (message-narrow-to-head)
9185 (let ((head (buffer-string))
9188 (insert (format "211 %d Article retrieved.\n"
9189 (cdr gnus-article-current)))
9192 (let ((nntp-server-buffer (current-buffer)))
9193 (setq header (car (gnus-get-newsgroup-headers
9196 (set-buffer gnus-summary-buffer)
9197 (gnus-data-set-header
9198 (gnus-data-find (cdr gnus-article-current))
9200 (gnus-summary-update-article-line
9201 (cdr gnus-article-current) header)
9202 (if (gnus-summary-goto-subject
9203 (cdr gnus-article-current) nil t)
9204 (gnus-summary-update-secondary-mark
9205 (cdr gnus-article-current))))))))
9207 (set-buffer (or buffer gnus-summary-buffer))
9208 (gnus-summary-update-article (cdr gnus-article-current))
9209 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
9210 (gnus-summary-update-secondary-mark
9211 (cdr gnus-article-current))))
9212 ;; Prettify the article buffer again.
9213 (unless no-highlight
9215 (set-buffer gnus-article-buffer)
9216 ;;;!!! Fix this -- article should be rehighlighted.
9217 ;;;(gnus-run-hooks 'gnus-article-display-hook)
9218 (set-buffer gnus-original-article-buffer)
9219 (gnus-request-article
9220 (cdr gnus-article-current)
9221 (car gnus-article-current) (current-buffer))))
9222 ;; Prettify the summary buffer line.
9223 (when (gnus-visual-p 'summary-highlight 'highlight)
9224 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
9226 (defun gnus-summary-edit-wash (key)
9227 "Perform editing command KEY in the article buffer."
9231 (message "%s" (concat (this-command-keys) "- "))
9234 (gnus-summary-edit-article)
9235 (execute-kbd-macro (concat (this-command-keys) key))
9236 (gnus-article-edit-done))
9240 (defun gnus-summary-respool-query (&optional silent trace)
9241 "Query where the respool algorithm would put this article."
9243 (let (gnus-mark-article-hook)
9244 (gnus-summary-select-article)
9246 (set-buffer gnus-original-article-buffer)
9248 (message-narrow-to-head)
9249 (let ((groups (nnmail-article-group 'identity trace)))
9252 (message "This message would go to %s"
9253 (mapconcat 'car groups ", "))
9254 (message "This message would go to no groups"))
9257 (defun gnus-summary-respool-trace ()
9258 "Trace where the respool algorithm would put this article.
9259 Display a buffer showing all fancy splitting patterns which matched."
9261 (gnus-summary-respool-query nil t))
9263 ;; Summary marking commands.
9265 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
9266 "Mark articles which has the same subject as read, and then select the next.
9267 If UNMARK is positive, remove any kind of mark.
9268 If UNMARK is negative, tick articles."
9271 (setq unmark (prefix-numeric-value unmark)))
9273 (gnus-summary-mark-same-subject
9274 (gnus-summary-article-subject) unmark)))
9275 ;; Select next unread article. If auto-select-same mode, should
9276 ;; select the first unread article.
9277 (gnus-summary-next-article t (and gnus-auto-select-same
9278 (gnus-summary-article-subject)))
9279 (gnus-message 7 "%d article%s marked as %s"
9280 count (if (= count 1) " is" "s are")
9281 (if unmark "unread" "read"))))
9283 (defun gnus-summary-kill-same-subject (&optional unmark)
9284 "Mark articles which has the same subject as read.
9285 If UNMARK is positive, remove any kind of mark.
9286 If UNMARK is negative, tick articles."
9289 (setq unmark (prefix-numeric-value unmark)))
9291 (gnus-summary-mark-same-subject
9292 (gnus-summary-article-subject) unmark)))
9293 ;; If marked as read, go to next unread subject.
9295 ;; Go to next unread subject.
9296 (gnus-summary-next-subject 1 t))
9297 (gnus-message 7 "%d articles are marked as %s"
9298 count (if unmark "unread" "read"))))
9300 (defun gnus-summary-mark-same-subject (subject &optional unmark)
9301 "Mark articles with same SUBJECT as read, and return marked number.
9302 If optional argument UNMARK is positive, remove any kinds of marks.
9303 If optional argument UNMARK is negative, mark articles as unread instead."
9307 ((null unmark) ; Mark as read.
9310 (gnus-summary-mark-article-as-read gnus-killed-mark)
9311 (gnus-summary-show-thread) t)
9312 (gnus-summary-find-subject subject))
9313 (setq count (1+ count))))
9314 ((> unmark 0) ; Tick.
9317 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
9318 (gnus-summary-show-thread) t)
9319 (gnus-summary-find-subject subject))
9320 (setq count (1+ count))))
9321 (t ; Mark as unread.
9324 (gnus-summary-mark-article-as-unread gnus-unread-mark)
9325 (gnus-summary-show-thread) t)
9326 (gnus-summary-find-subject subject))
9327 (setq count (1+ count)))))
9328 (gnus-set-mode-line 'summary)
9329 ;; Return the number of marked articles.
9332 (defun gnus-summary-mark-as-processable (n &optional unmark)
9333 "Set the process mark on the next N articles.
9334 If N is negative, mark backward instead. If UNMARK is non-nil, remove
9335 the process mark instead. The difference between N and the actual
9336 number of articles marked is returned."
9338 (if (and (null n) (gnus-region-active-p))
9339 (gnus-uu-mark-region (region-beginning) (region-end) unmark)
9340 (setq n (prefix-numeric-value n))
9341 (let ((backward (< n 0))
9346 (gnus-summary-remove-process-mark
9347 (gnus-summary-article-number))
9348 (gnus-summary-set-process-mark (gnus-summary-article-number)))
9349 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
9352 (gnus-message 7 "No more articles"))
9353 (gnus-summary-recenter)
9354 (gnus-summary-position-point)
9357 (defun gnus-summary-unmark-as-processable (n)
9358 "Remove the process mark from the next N articles.
9359 If N is negative, unmark backward instead. The difference between N and
9360 the actual number of articles unmarked is returned."
9362 (gnus-summary-mark-as-processable n t))
9364 (defun gnus-summary-unmark-all-processable ()
9365 "Remove the process mark from all articles."
9368 (while gnus-newsgroup-processable
9369 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
9370 (gnus-summary-position-point))
9372 (defun gnus-summary-add-mark (article type)
9373 "Mark ARTICLE with a mark of TYPE."
9374 (let ((vtype (car (assq type gnus-article-mark-lists)))
9377 (error "No such mark type: %s" type)
9378 (setq var (intern (format "gnus-newsgroup-%s" type)))
9379 (set var (cons article (symbol-value var)))
9380 (if (memq type '(processable cached replied forwarded recent saved))
9381 (gnus-summary-update-secondary-mark article)
9382 ;;; !!! This is bogus. We should find out what primary
9383 ;;; !!! mark we want to set.
9384 (gnus-summary-update-mark gnus-del-mark 'unread)))))
9386 (defun gnus-summary-mark-as-expirable (n)
9387 "Mark N articles forward as expirable.
9388 If N is negative, mark backward instead. The difference between N and
9389 the actual number of articles marked is returned."
9391 (gnus-summary-mark-forward n gnus-expirable-mark))
9393 (defun gnus-summary-mark-as-spam (n)
9394 "Mark N articles forward as spam.
9395 If N is negative, mark backward instead. The difference between N and
9396 the actual number of articles marked is returned."
9398 (gnus-summary-mark-forward n gnus-spam-mark))
9400 (defun gnus-summary-mark-article-as-replied (article)
9401 "Mark ARTICLE as replied to and update the summary line.
9402 ARTICLE can also be a list of articles."
9403 (interactive (list (gnus-summary-article-number)))
9404 (let ((articles (if (listp article) article (list article))))
9405 (dolist (article articles)
9406 (push article gnus-newsgroup-replied)
9407 (let ((buffer-read-only nil))
9408 (when (gnus-summary-goto-subject article nil t)
9409 (gnus-summary-update-secondary-mark article))))))
9411 (defun gnus-summary-mark-article-as-forwarded (article)
9412 "Mark ARTICLE as forwarded and update the summary line.
9413 ARTICLE can also be a list of articles."
9414 (let ((articles (if (listp article) article (list article))))
9415 (dolist (article articles)
9416 (push article gnus-newsgroup-forwarded)
9417 (let ((buffer-read-only nil))
9418 (when (gnus-summary-goto-subject article nil t)
9419 (gnus-summary-update-secondary-mark article))))))
9421 (defun gnus-summary-set-bookmark (article)
9422 "Set a bookmark in current article."
9423 (interactive (list (gnus-summary-article-number)))
9424 (when (or (not (get-buffer gnus-article-buffer))
9425 (not gnus-current-article)
9426 (not gnus-article-current)
9427 (not (equal gnus-newsgroup-name (car gnus-article-current))))
9428 (error "No current article selected"))
9429 ;; Remove old bookmark, if one exists.
9430 (gnus-pull article gnus-newsgroup-bookmarks)
9431 ;; Set the new bookmark, which is on the form
9432 ;; (article-number . line-number-in-body).
9436 (set-buffer gnus-article-buffer)
9443 gnus-newsgroup-bookmarks)
9444 (gnus-message 6 "A bookmark has been added to the current article."))
9446 (defun gnus-summary-remove-bookmark (article)
9447 "Remove the bookmark from the current article."
9448 (interactive (list (gnus-summary-article-number)))
9449 ;; Remove old bookmark, if one exists.
9450 (if (not (assq article gnus-newsgroup-bookmarks))
9451 (gnus-message 6 "No bookmark in current article.")
9452 (gnus-pull article gnus-newsgroup-bookmarks)
9453 (gnus-message 6 "Removed bookmark.")))
9455 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
9456 (defun gnus-summary-mark-as-dormant (n)
9457 "Mark N articles forward as dormant.
9458 If N is negative, mark backward instead. The difference between N and
9459 the actual number of articles marked is returned."
9461 (gnus-summary-mark-forward n gnus-dormant-mark))
9463 (defun gnus-summary-set-process-mark (article)
9464 "Set the process mark on ARTICLE and update the summary line."
9465 (setq gnus-newsgroup-processable
9467 (delq article gnus-newsgroup-processable)))
9468 (when (gnus-summary-goto-subject article)
9469 (gnus-summary-show-thread)
9470 (gnus-summary-goto-subject article)
9471 (gnus-summary-update-secondary-mark article)))
9473 (defun gnus-summary-remove-process-mark (article)
9474 "Remove the process mark from ARTICLE and update the summary line."
9475 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
9476 (when (gnus-summary-goto-subject article)
9477 (gnus-summary-show-thread)
9478 (gnus-summary-goto-subject article)
9479 (gnus-summary-update-secondary-mark article)))
9481 (defun gnus-summary-set-saved-mark (article)
9482 "Set the process mark on ARTICLE and update the summary line."
9483 (push article gnus-newsgroup-saved)
9484 (when (gnus-summary-goto-subject article)
9485 (gnus-summary-update-secondary-mark article)))
9487 (defun gnus-summary-mark-forward (n &optional mark no-expire)
9488 "Mark N articles as read forwards.
9489 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
9490 The difference between N and the actual number of articles marked is
9492 If NO-EXPIRE, auto-expiry will be inhibited."
9494 (gnus-summary-show-thread)
9495 (let ((backward (< n 0))
9496 (gnus-summary-goto-unread
9497 (and gnus-summary-goto-unread
9498 (not (eq gnus-summary-goto-unread 'never))
9499 (not (memq mark (list gnus-unread-mark gnus-spam-mark
9500 gnus-ticked-mark gnus-dormant-mark)))))
9502 (mark (or mark gnus-del-mark)))
9504 (gnus-summary-mark-article nil mark no-expire)
9505 (zerop (gnus-summary-next-subject
9507 (and gnus-summary-goto-unread
9508 (not (eq gnus-summary-goto-unread 'never)))
9512 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
9513 (gnus-summary-recenter)
9514 (gnus-summary-position-point)
9515 (gnus-set-mode-line 'summary)
9518 (defun gnus-summary-mark-article-as-read (mark)
9519 "Mark the current article quickly as read with MARK."
9520 (let ((article (gnus-summary-article-number)))
9521 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
9522 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9523 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
9524 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9525 (push (cons article mark) gnus-newsgroup-reads)
9526 ;; Possibly remove from cache, if that is used.
9527 (when gnus-use-cache
9528 (gnus-cache-enter-remove-article article))
9529 ;; Allow the backend to change the mark.
9530 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9531 ;; Check for auto-expiry.
9532 (when (and gnus-newsgroup-auto-expire
9533 (memq mark gnus-auto-expirable-marks))
9534 (setq mark gnus-expirable-mark)
9535 ;; Let the backend know about the mark change.
9536 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9537 (push article gnus-newsgroup-expirable))
9538 ;; Set the mark in the buffer.
9539 (gnus-summary-update-mark mark 'unread)
9542 (defun gnus-summary-mark-article-as-unread (mark)
9543 "Mark the current article quickly as unread with MARK."
9544 (let* ((article (gnus-summary-article-number))
9545 (old-mark (gnus-summary-article-mark article)))
9546 ;; Allow the backend to change the mark.
9547 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9548 (if (eq mark old-mark)
9552 (gnus-error 1 "Can't mark negative article numbers")
9554 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9555 (setq gnus-newsgroup-spam-marked
9556 (delq article gnus-newsgroup-spam-marked))
9557 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9558 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
9559 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
9560 (cond ((= mark gnus-ticked-mark)
9561 (setq gnus-newsgroup-marked
9562 (gnus-add-to-sorted-list gnus-newsgroup-marked
9564 ((= mark gnus-spam-mark)
9565 (setq gnus-newsgroup-spam-marked
9566 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
9568 ((= mark gnus-dormant-mark)
9569 (setq gnus-newsgroup-dormant
9570 (gnus-add-to-sorted-list gnus-newsgroup-dormant
9573 (setq gnus-newsgroup-unreads
9574 (gnus-add-to-sorted-list gnus-newsgroup-unreads
9576 (gnus-pull article gnus-newsgroup-reads)
9578 ;; See whether the article is to be put in the cache.
9580 (vectorp (gnus-summary-article-header article))
9582 (gnus-cache-possibly-enter-article
9583 gnus-newsgroup-name article
9584 (= mark gnus-ticked-mark)
9585 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
9588 (gnus-summary-update-mark mark 'unread)
9591 (defun gnus-summary-mark-article (&optional article mark no-expire)
9592 "Mark ARTICLE with MARK. MARK can be any character.
9593 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
9594 `??' (dormant) and `?E' (expirable).
9595 If MARK is nil, then the default character `?r' is used.
9596 If ARTICLE is nil, then the article on the current line will be
9598 If NO-EXPIRE, auto-expiry will be inhibited."
9599 ;; The mark might be a string.
9600 (when (stringp mark)
9601 (setq mark (aref mark 0)))
9602 ;; If no mark is given, then we check auto-expiring.
9604 (setq mark gnus-del-mark))
9605 (when (and (not no-expire)
9606 gnus-newsgroup-auto-expire
9607 (memq mark gnus-auto-expirable-marks))
9608 (setq mark gnus-expirable-mark))
9609 (let ((article (or article (gnus-summary-article-number)))
9610 (old-mark (gnus-summary-article-mark article)))
9611 ;; Allow the backend to change the mark.
9612 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9613 (if (eq mark old-mark)
9616 (error "No article on current line"))
9617 (if (not (if (or (= mark gnus-unread-mark)
9618 (= mark gnus-ticked-mark)
9619 (= mark gnus-spam-mark)
9620 (= mark gnus-dormant-mark))
9621 (gnus-mark-article-as-unread article mark)
9622 (gnus-mark-article-as-read article mark)))
9624 ;; See whether the article is to be put in the cache.
9626 (not (= mark gnus-canceled-mark))
9627 (vectorp (gnus-summary-article-header article))
9629 (gnus-cache-possibly-enter-article
9630 gnus-newsgroup-name article
9631 (= mark gnus-ticked-mark)
9632 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
9634 (when (gnus-summary-goto-subject article nil t)
9635 (let ((buffer-read-only nil))
9636 (gnus-summary-show-thread)
9638 (gnus-summary-update-mark mark 'unread)
9641 (defun gnus-summary-update-secondary-mark (article)
9642 "Update the secondary (read, process, cache) mark."
9643 (gnus-summary-update-mark
9644 (cond ((memq article gnus-newsgroup-processable)
9646 ((memq article gnus-newsgroup-cached)
9648 ((memq article gnus-newsgroup-replied)
9650 ((memq article gnus-newsgroup-forwarded)
9651 gnus-forwarded-mark)
9652 ((memq article gnus-newsgroup-saved)
9654 ((memq article gnus-newsgroup-recent)
9656 ((memq article gnus-newsgroup-unseen)
9660 (when (gnus-visual-p 'summary-highlight 'highlight)
9661 (gnus-run-hooks 'gnus-summary-update-hook))
9664 (defun gnus-summary-update-download-mark (article)
9665 "Update the secondary (read, process, cache) mark."
9666 (gnus-summary-update-mark
9667 (cond ((memq article gnus-newsgroup-undownloaded)
9668 gnus-undownloaded-mark)
9669 (gnus-newsgroup-agentized
9670 gnus-downloaded-mark)
9674 (gnus-summary-update-line t)
9677 (defun gnus-summary-update-mark (mark type)
9678 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
9679 (buffer-read-only nil))
9680 (re-search-backward "[\n\r]" (gnus-point-at-bol) 'move-to-limit)
9682 (when (looking-at "\r")
9684 (when (<= (+ forward (point)) (point-max))
9685 ;; Go to the right position on the line.
9686 (goto-char (+ forward (point)))
9687 ;; Replace the old mark with the new mark.
9688 (subst-char-in-region (point) (1+ (point)) (char-after) mark)
9689 ;; Optionally update the marks by some user rule.
9690 (when (eq type 'unread)
9692 (gnus-data-find (gnus-summary-article-number)) mark)
9693 (gnus-summary-update-line (eq mark gnus-unread-mark)))))))
9695 (defun gnus-mark-article-as-read (article &optional mark)
9696 "Enter ARTICLE in the pertinent lists and remove it from others."
9697 ;; Make the article expirable.
9698 (let ((mark (or mark gnus-del-mark)))
9699 (setq gnus-newsgroup-expirable
9700 (if (= mark gnus-expirable-mark)
9701 (gnus-add-to-sorted-list gnus-newsgroup-expirable article)
9702 (delq article gnus-newsgroup-expirable)))
9703 ;; Remove from unread and marked lists.
9704 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
9705 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9706 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
9707 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9708 (push (cons article mark) gnus-newsgroup-reads)
9709 ;; Possibly remove from cache, if that is used.
9710 (when gnus-use-cache
9711 (gnus-cache-enter-remove-article article))
9714 (defun gnus-mark-article-as-unread (article &optional mark)
9715 "Enter ARTICLE in the pertinent lists and remove it from others."
9716 (let ((mark (or mark gnus-ticked-mark)))
9719 (gnus-error 1 "Can't mark negative article numbers")
9721 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
9722 gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked)
9723 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
9724 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
9725 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
9727 ;; Unsuppress duplicates?
9728 (when gnus-suppress-duplicates
9729 (gnus-dup-unsuppress-article article))
9731 (cond ((= mark gnus-ticked-mark)
9732 (setq gnus-newsgroup-marked
9733 (gnus-add-to-sorted-list gnus-newsgroup-marked article)))
9734 ((= mark gnus-spam-mark)
9735 (setq gnus-newsgroup-spam-marked
9736 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
9738 ((= mark gnus-dormant-mark)
9739 (setq gnus-newsgroup-dormant
9740 (gnus-add-to-sorted-list gnus-newsgroup-dormant article)))
9742 (setq gnus-newsgroup-unreads
9743 (gnus-add-to-sorted-list gnus-newsgroup-unreads article))))
9744 (gnus-pull article gnus-newsgroup-reads)
9747 (defalias 'gnus-summary-mark-as-unread-forward
9748 'gnus-summary-tick-article-forward)
9749 (make-obsolete 'gnus-summary-mark-as-unread-forward
9750 'gnus-summary-tick-article-forward)
9751 (defun gnus-summary-tick-article-forward (n)
9752 "Tick N articles forwards.
9753 If N is negative, tick backwards instead.
9754 The difference between N and the number of articles ticked is returned."
9756 (gnus-summary-mark-forward n gnus-ticked-mark))
9758 (defalias 'gnus-summary-mark-as-unread-backward
9759 'gnus-summary-tick-article-backward)
9760 (make-obsolete 'gnus-summary-mark-as-unread-backward
9761 'gnus-summary-tick-article-backward)
9762 (defun gnus-summary-tick-article-backward (n)
9763 "Tick N articles backwards.
9764 The difference between N and the number of articles ticked is returned."
9766 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
9768 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
9769 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
9770 (defun gnus-summary-tick-article (&optional article clear-mark)
9771 "Mark current article as unread.
9772 Optional 1st argument ARTICLE specifies article number to be marked as unread.
9773 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
9775 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
9778 (defun gnus-summary-mark-as-read-forward (n)
9779 "Mark N articles as read forwards.
9780 If N is negative, mark backwards instead.
9781 The difference between N and the actual number of articles marked is
9784 (gnus-summary-mark-forward n gnus-del-mark gnus-inhibit-user-auto-expire))
9786 (defun gnus-summary-mark-as-read-backward (n)
9787 "Mark the N articles as read backwards.
9788 The difference between N and the actual number of articles marked is
9791 (gnus-summary-mark-forward
9792 (- n) gnus-del-mark gnus-inhibit-user-auto-expire))
9794 (defun gnus-summary-mark-as-read (&optional article mark)
9795 "Mark current article as read.
9796 ARTICLE specifies the article to be marked as read.
9797 MARK specifies a string to be inserted at the beginning of the line."
9798 (gnus-summary-mark-article article mark))
9800 (defun gnus-summary-clear-mark-forward (n)
9801 "Clear marks from N articles forward.
9802 If N is negative, clear backward instead.
9803 The difference between N and the number of marks cleared is returned."
9805 (gnus-summary-mark-forward n gnus-unread-mark))
9807 (defun gnus-summary-clear-mark-backward (n)
9808 "Clear marks from N articles backward.
9809 The difference between N and the number of marks cleared is returned."
9811 (gnus-summary-mark-forward (- n) gnus-unread-mark))
9813 (defun gnus-summary-mark-unread-as-read ()
9814 "Intended to be used by `gnus-summary-mark-article-hook'."
9815 (when (memq gnus-current-article gnus-newsgroup-unreads)
9816 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
9818 (defun gnus-summary-mark-read-and-unread-as-read ()
9819 "Intended to be used by `gnus-summary-mark-article-hook'."
9820 (let ((mark (gnus-summary-article-mark)))
9821 (when (or (gnus-unread-mark-p mark)
9822 (gnus-read-mark-p mark))
9823 (gnus-summary-mark-article gnus-current-article gnus-read-mark))))
9825 (defun gnus-summary-mark-unread-as-ticked ()
9826 "Intended to be used by `gnus-summary-mark-article-hook'."
9827 (when (memq gnus-current-article gnus-newsgroup-unreads)
9828 (gnus-summary-mark-article gnus-current-article gnus-ticked-mark)))
9830 (defun gnus-summary-mark-region-as-read (point mark all)
9831 "Mark all unread articles between point and mark as read.
9832 If given a prefix, mark all articles between point and mark as read,
9833 even ticked and dormant ones."
9834 (interactive "r\nP")
9843 (memq (setq article (gnus-summary-article-number))
9844 gnus-newsgroup-unreads))
9845 (gnus-summary-mark-article article gnus-del-mark))
9847 (gnus-summary-find-next))))))
9849 (defun gnus-summary-mark-below (score mark)
9850 "Mark articles with score less than SCORE with MARK."
9851 (interactive "P\ncMark: ")
9852 (setq score (if score
9853 (prefix-numeric-value score)
9854 (or gnus-summary-default-score 0)))
9856 (set-buffer gnus-summary-buffer)
9857 (goto-char (point-min))
9860 (and (< (gnus-summary-article-score) score)
9861 (gnus-summary-mark-article nil mark))
9862 (gnus-summary-find-next)))))
9864 (defun gnus-summary-kill-below (&optional score)
9865 "Mark articles with score below SCORE as read."
9867 (gnus-summary-mark-below score gnus-killed-mark))
9869 (defun gnus-summary-clear-above (&optional score)
9870 "Clear all marks from articles with score above SCORE."
9872 (gnus-summary-mark-above score gnus-unread-mark))
9874 (defun gnus-summary-tick-above (&optional score)
9875 "Tick all articles with score above SCORE."
9877 (gnus-summary-mark-above score gnus-ticked-mark))
9879 (defun gnus-summary-mark-above (score mark)
9880 "Mark articles with score over SCORE with MARK."
9881 (interactive "P\ncMark: ")
9882 (setq score (if score
9883 (prefix-numeric-value score)
9884 (or gnus-summary-default-score 0)))
9886 (set-buffer gnus-summary-buffer)
9887 (goto-char (point-min))
9889 (when (> (gnus-summary-article-score) score)
9890 (gnus-summary-mark-article nil mark))
9892 (gnus-summary-find-next)))))
9894 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
9895 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
9896 (defun gnus-summary-limit-include-expunged (&optional no-error)
9897 "Display all the hidden articles that were expunged for low scores."
9899 (let ((buffer-read-only nil))
9900 (let ((scored gnus-newsgroup-scored)
9903 (unless (gnus-summary-article-header (caar scored))
9904 (and (setq h (gnus-number-to-header (caar scored)))
9905 (< (cdar scored) gnus-summary-expunge-below)
9907 (setq scored (cdr scored)))
9909 (when (not no-error)
9910 (error "No expunged articles hidden"))
9911 (goto-char (point-min))
9912 (push gnus-newsgroup-limit gnus-newsgroup-limits)
9913 (setq gnus-newsgroup-limit (copy-sequence gnus-newsgroup-limit))
9914 (mapcar (lambda (x) (push (mail-header-number x)
9915 gnus-newsgroup-limit))
9917 (gnus-summary-prepare-unthreaded (nreverse headers))
9918 (goto-char (point-min))
9919 (gnus-summary-position-point)
9922 (defun gnus-summary-catchup (&optional all quietly to-here not-mark reverse)
9923 "Mark all unread articles in this newsgroup as read.
9924 If prefix argument ALL is non-nil, ticked and dormant articles will
9925 also be marked as read.
9926 If QUIETLY is non-nil, no questions will be asked.
9927 If TO-HERE is non-nil, it should be a point in the buffer. All
9928 articles before (after, if REVERSE is set) this point will be marked as read.
9929 Note that this function will only catch up the unread article
9930 in the current summary buffer limitation.
9931 The number of articles marked as read is returned."
9936 (not gnus-interactive-catchup) ;Without confirmation?
9940 "Mark absolutely all articles as read? "
9941 "Mark all unread articles as read? ")))
9943 (not gnus-newsgroup-adaptive)
9944 (not gnus-newsgroup-auto-expire)
9945 (not gnus-suppress-duplicates)
9946 (or (not gnus-use-cache)
9947 (eq gnus-use-cache 'passive)))
9950 (setq gnus-newsgroup-marked nil
9951 gnus-newsgroup-spam-marked nil
9952 gnus-newsgroup-dormant nil))
9953 (setq gnus-newsgroup-unreads gnus-newsgroup-downloadable))
9954 ;; We actually mark all articles as canceled, which we
9955 ;; have to do when using auto-expiry or adaptive scoring.
9956 (gnus-summary-show-all-threads)
9957 (if (and to-here reverse)
9961 (gnus-summary-mark-article-as-read gnus-catchup-mark)
9962 (gnus-summary-find-next (not all) nil nil t))))
9963 (when (gnus-summary-first-subject (not all) t)
9965 (if to-here (< (point) to-here) t)
9966 (gnus-summary-mark-article-as-read gnus-catchup-mark)
9967 (gnus-summary-find-next (not all) nil nil t)))))
9968 (gnus-set-mode-line 'summary))
9970 (gnus-summary-position-point)))
9972 (defun gnus-summary-catchup-to-here (&optional all)
9973 "Mark all unticked articles before the current one as read.
9974 If ALL is non-nil, also mark ticked and dormant articles as read."
9977 (gnus-save-hidden-threads
9978 (let ((beg (point)))
9979 ;; We check that there are unread articles.
9980 (when (or all (gnus-summary-find-prev))
9981 (gnus-summary-catchup all t beg)))))
9982 (gnus-summary-position-point))
9984 (defun gnus-summary-catchup-from-here (&optional all)
9985 "Mark all unticked articles after the current one as read.
9986 If ALL is non-nil, also mark ticked and dormant articles as read."
9989 (gnus-save-hidden-threads
9990 (let ((beg (point)))
9991 ;; We check that there are unread articles.
9992 (when (or all (gnus-summary-find-next))
9993 (gnus-summary-catchup all t beg nil t)))))
9995 (gnus-summary-position-point))
9996 (defun gnus-summary-catchup-all (&optional quietly)
9997 "Mark all articles in this newsgroup as read.
9998 This command is dangerous. Normally, you want \\[gnus-summary-catchup]
9999 instead, which marks only unread articles as read."
10001 (gnus-summary-catchup t quietly))
10003 (defun gnus-summary-catchup-and-exit (&optional all quietly)
10004 "Mark all unread articles in this group as read, then exit.
10005 If prefix argument ALL is non-nil, all articles are marked as read.
10006 If QUIETLY is non-nil, no questions will be asked."
10008 (when (gnus-summary-catchup all quietly nil 'fast)
10009 ;; Select next newsgroup or exit.
10010 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
10011 (eq gnus-auto-select-next 'quietly))
10012 (gnus-summary-next-group nil)
10013 (gnus-summary-exit))))
10015 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
10016 "Mark all articles in this newsgroup as read, and then exit.
10017 This command is dangerous. Normally, you want \\[gnus-summary-catchup-and-exit]
10018 instead, which marks only unread articles as read."
10020 (gnus-summary-catchup-and-exit t quietly))
10022 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
10023 "Mark all articles in this group as read and select the next group.
10024 If given a prefix, mark all articles, unread as well as ticked, as
10028 (gnus-summary-catchup all))
10029 (gnus-summary-next-group))
10035 (defmacro gnus-with-article (article &rest forms)
10036 "Select ARTICLE and perform FORMS in the original article buffer.
10037 Then replace the article with the result."
10039 ;; We don't want the article to be marked as read.
10040 (let (gnus-mark-article-hook)
10041 (gnus-summary-select-article t t nil ,article))
10042 (set-buffer gnus-original-article-buffer)
10044 (if (not (gnus-check-backend-function
10045 'request-replace-article (car gnus-article-current)))
10046 (gnus-message 5 "Read-only group; not replacing")
10047 (unless (gnus-request-replace-article
10048 ,article (car gnus-article-current)
10049 (current-buffer) t)
10050 (error "Couldn't replace article")))
10051 ;; The cache and backlog have to be flushed somewhat.
10052 (when gnus-keep-backlog
10053 (gnus-backlog-remove-article
10054 (car gnus-article-current) (cdr gnus-article-current)))
10055 (when gnus-use-cache
10056 (gnus-cache-update-article
10057 (car gnus-article-current) (cdr gnus-article-current)))))
10059 (put 'gnus-with-article 'lisp-indent-function 1)
10060 (put 'gnus-with-article 'edebug-form-spec '(form body))
10062 ;; Thread-based commands.
10064 (defun gnus-summary-articles-in-thread (&optional article)
10065 "Return a list of all articles in the current thread.
10066 If ARTICLE is non-nil, return all articles in the thread that starts
10067 with that article."
10068 (let* ((article (or article (gnus-summary-article-number)))
10069 (data (gnus-data-find-list article))
10070 (top-level (gnus-data-level (car data)))
10072 (cond ((null gnus-thread-operation-ignore-subject)
10073 (gnus-simplify-subject-re
10074 (mail-header-subject (gnus-data-header (car data)))))
10075 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
10076 (gnus-simplify-subject-fuzzy
10077 (mail-header-subject (gnus-data-header (car data)))))
10079 (end-point (save-excursion
10080 (if (gnus-summary-go-to-next-thread)
10081 (point) (point-max))))
10084 (< (gnus-data-pos (car data)) end-point))
10085 (when (or (not top-subject)
10086 (string= top-subject
10087 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
10088 (gnus-simplify-subject-fuzzy
10089 (mail-header-subject
10090 (gnus-data-header (car data))))
10091 (gnus-simplify-subject-re
10092 (mail-header-subject
10093 (gnus-data-header (car data)))))))
10094 (push (gnus-data-number (car data)) articles))
10095 (unless (and (setq data (cdr data))
10096 (> (gnus-data-level (car data)) top-level))
10098 ;; Return the list of articles.
10099 (nreverse articles)))
10101 (defun gnus-summary-rethread-current ()
10102 "Rethread the thread the current article is part of."
10104 (let* ((gnus-show-threads t)
10105 (article (gnus-summary-article-number))
10106 (id (mail-header-id (gnus-summary-article-header)))
10107 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
10109 (error "No article on the current line"))
10110 (gnus-rebuild-thread id)
10111 (gnus-summary-goto-subject article)))
10113 (defun gnus-summary-reparent-thread ()
10114 "Make the current article child of the marked (or previous) article.
10116 Note that the re-threading will only work if `gnus-thread-ignore-subject'
10117 is non-nil or the Subject: of both articles are the same."
10119 (unless (not (gnus-group-read-only-p))
10120 (error "The current newsgroup does not support article editing"))
10121 (unless (<= (length gnus-newsgroup-processable) 1)
10122 (error "No more than one article may be marked"))
10123 (save-window-excursion
10124 (let ((gnus-article-buffer " *reparent*")
10125 (current-article (gnus-summary-article-number))
10126 ;; First grab the marked article, otherwise one line up.
10127 (parent-article (if (not (null gnus-newsgroup-processable))
10128 (car gnus-newsgroup-processable)
10130 (if (eq (forward-line -1) 0)
10131 (gnus-summary-article-number)
10132 (error "Beginning of summary buffer"))))))
10133 (unless (not (eq current-article parent-article))
10134 (error "An article may not be self-referential"))
10135 (let ((message-id (mail-header-id
10136 (gnus-summary-article-header parent-article))))
10137 (unless (and message-id (not (equal message-id "")))
10138 (error "No message-id in desired parent"))
10139 (gnus-with-article current-article
10141 (goto-char (point-min))
10142 (message-narrow-to-head)
10143 (if (re-search-forward "^References: " nil t)
10145 (re-search-forward "^[^ \t]" nil t)
10148 (insert " " message-id))
10149 (insert "References: " message-id "\n"))))
10150 (set-buffer gnus-summary-buffer)
10151 (gnus-summary-unmark-all-processable)
10152 (gnus-summary-update-article current-article)
10153 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
10154 (gnus-summary-update-secondary-mark (cdr gnus-article-current)))
10155 (gnus-summary-rethread-current)
10156 (gnus-message 3 "Article %d is now the child of article %d"
10157 current-article parent-article)))))
10159 (defun gnus-summary-toggle-threads (&optional arg)
10160 "Toggle showing conversation threads.
10161 If ARG is positive number, turn showing conversation threads on."
10163 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
10164 (setq gnus-show-threads
10165 (if (null arg) (not gnus-show-threads)
10166 (> (prefix-numeric-value arg) 0)))
10167 (gnus-summary-prepare)
10168 (gnus-summary-goto-subject current)
10169 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
10170 (gnus-summary-position-point)))
10172 (defun gnus-summary-show-all-threads ()
10173 "Show all threads."
10176 (let ((buffer-read-only nil))
10177 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
10178 (gnus-summary-position-point))
10180 (defun gnus-summary-show-thread ()
10181 "Show thread subtrees.
10182 Returns nil if no thread was there to be shown."
10184 (let ((buffer-read-only nil)
10186 ;; first goto end then to beg, to have point at beg after let
10187 (end (progn (end-of-line) (point)))
10188 (beg (progn (beginning-of-line) (point))))
10190 ;; Any hidden lines here?
10191 (search-forward "\r" end t)
10192 (subst-char-in-region beg end ?\^M ?\n t)
10194 (gnus-summary-position-point))))
10196 (defun gnus-summary-maybe-hide-threads ()
10197 "If requested, hide the threads that should be hidden."
10198 (when (and gnus-show-threads
10199 gnus-thread-hide-subtree)
10200 (gnus-summary-hide-all-threads
10201 (if (or (consp gnus-thread-hide-subtree)
10202 (gnus-functionp gnus-thread-hide-subtree))
10203 (gnus-make-predicate gnus-thread-hide-subtree)
10206 ;;; Hiding predicates.
10208 (defun gnus-article-unread-p (header)
10209 (memq (mail-header-number header) gnus-newsgroup-unreads))
10211 (defun gnus-article-unseen-p (header)
10212 (memq (mail-header-number header) gnus-newsgroup-unseen))
10214 (defun gnus-map-articles (predicate articles)
10215 "Map PREDICATE over ARTICLES and return non-nil if any predicate is non-nil."
10216 (apply 'gnus-or (mapcar predicate
10217 (mapcar 'gnus-summary-article-header articles))))
10219 (defun gnus-summary-hide-all-threads (&optional predicate)
10220 "Hide all thread subtrees.
10221 If PREDICATE is supplied, threads that satisfy this predicate
10222 will not be hidden."
10225 (goto-char (point-min))
10228 (when (or (not predicate)
10230 predicate (gnus-summary-article-children)))
10231 (gnus-summary-hide-thread))
10232 (setq end (not (zerop (gnus-summary-next-thread 1 t)))))))
10233 (gnus-summary-position-point))
10235 (defun gnus-summary-hide-thread ()
10236 "Hide thread subtrees.
10237 If PREDICATE is supplied, threads that satisfy this predicate
10238 will not be hidden.
10239 Returns nil if no threads were there to be hidden."
10241 (let ((buffer-read-only nil)
10243 (article (gnus-summary-article-number)))
10245 ;; Go forward until either the buffer ends or the subthread
10247 (when (and (not (eobp))
10248 (or (zerop (gnus-summary-next-thread 1 t))
10249 (goto-char (point-max))))
10251 (if (and (> (point) start)
10252 (search-backward "\n" start t))
10254 (subst-char-in-region start (point) ?\n ?\^M)
10255 (gnus-summary-goto-subject article))
10259 (defun gnus-summary-go-to-next-thread (&optional previous)
10260 "Go to the same level (or less) next thread.
10261 If PREVIOUS is non-nil, go to previous thread instead.
10262 Return the article number moved to, or nil if moving was impossible."
10263 (let ((level (gnus-summary-thread-level))
10264 (way (if previous -1 1))
10267 (while (and (not (eobp))
10268 (< level (gnus-summary-thread-level)))
10269 (forward-line way))
10276 (gnus-summary-article-number)
10277 (goto-char beg)))))
10279 (defun gnus-summary-next-thread (n &optional silent)
10280 "Go to the same level next N'th thread.
10281 If N is negative, search backward instead.
10282 Returns the difference between N and the number of skips actually
10285 If SILENT, don't output messages."
10287 (let ((backward (< n 0))
10289 (while (and (> n 0)
10290 (gnus-summary-go-to-next-thread backward))
10293 (gnus-summary-position-point))
10294 (when (and (not silent) (/= 0 n))
10295 (gnus-message 7 "No more threads"))
10298 (defun gnus-summary-prev-thread (n)
10299 "Go to the same level previous N'th thread.
10300 Returns the difference between N and the number of skips actually
10303 (gnus-summary-next-thread (- n)))
10305 (defun gnus-summary-go-down-thread ()
10306 "Go down one level in the current thread."
10307 (let ((children (gnus-summary-article-children)))
10309 (gnus-summary-goto-subject (car children)))))
10311 (defun gnus-summary-go-up-thread ()
10312 "Go up one level in the current thread."
10313 (let ((parent (gnus-summary-article-parent)))
10315 (gnus-summary-goto-subject parent))))
10317 (defun gnus-summary-down-thread (n)
10318 "Go down thread N steps.
10319 If N is negative, go up instead.
10320 Returns the difference between N and how many steps down that were
10325 (while (and (> n 0)
10326 (if up (gnus-summary-go-up-thread)
10327 (gnus-summary-go-down-thread)))
10329 (gnus-summary-position-point)
10331 (gnus-message 7 "Can't go further"))
10334 (defun gnus-summary-up-thread (n)
10335 "Go up thread N steps.
10336 If N is negative, go down instead.
10337 Returns the difference between N and how many steps down that were
10340 (gnus-summary-down-thread (- n)))
10342 (defun gnus-summary-top-thread ()
10343 "Go to the top of the thread."
10345 (while (gnus-summary-go-up-thread))
10346 (gnus-summary-article-number))
10348 (defun gnus-summary-kill-thread (&optional unmark)
10349 "Mark articles under current thread as read.
10350 If the prefix argument is positive, remove any kinds of marks.
10351 If the prefix argument is negative, tick articles instead."
10354 (setq unmark (prefix-numeric-value unmark)))
10355 (let ((articles (gnus-summary-articles-in-thread)))
10357 ;; Expand the thread.
10358 (gnus-summary-show-thread)
10359 ;; Mark all the articles.
10361 (gnus-summary-goto-subject (car articles))
10362 (cond ((null unmark)
10363 (gnus-summary-mark-article-as-read gnus-killed-mark))
10365 (gnus-summary-mark-article-as-unread gnus-unread-mark))
10367 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
10368 (setq articles (cdr articles))))
10369 ;; Hide killed subtrees.
10371 gnus-thread-hide-killed
10372 (gnus-summary-hide-thread))
10373 ;; If marked as read, go to next unread subject.
10374 (when (null unmark)
10375 ;; Go to next unread subject.
10376 (gnus-summary-next-subject 1 t)))
10377 (gnus-set-mode-line 'summary))
10379 ;; Summary sorting commands
10381 (defun gnus-summary-sort-by-number (&optional reverse)
10382 "Sort the summary buffer by article number.
10383 Argument REVERSE means reverse order."
10385 (gnus-summary-sort 'number reverse))
10387 (defun gnus-summary-sort-by-random (&optional reverse)
10388 "Randomize the order in the summary buffer.
10389 Argument REVERSE means to randomize in reverse order."
10391 (gnus-summary-sort 'random reverse))
10393 (defun gnus-summary-sort-by-author (&optional reverse)
10394 "Sort the summary buffer by author name alphabetically.
10395 If `case-fold-search' is non-nil, case of letters is ignored.
10396 Argument REVERSE means reverse order."
10398 (gnus-summary-sort 'author reverse))
10400 (defun gnus-summary-sort-by-subject (&optional reverse)
10401 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
10402 If `case-fold-search' is non-nil, case of letters is ignored.
10403 Argument REVERSE means reverse order."
10405 (gnus-summary-sort 'subject reverse))
10407 (defun gnus-summary-sort-by-date (&optional reverse)
10408 "Sort the summary buffer by date.
10409 Argument REVERSE means reverse order."
10411 (gnus-summary-sort 'date reverse))
10413 (defun gnus-summary-sort-by-score (&optional reverse)
10414 "Sort the summary buffer by score.
10415 Argument REVERSE means reverse order."
10417 (gnus-summary-sort 'score reverse))
10419 (defun gnus-summary-sort-by-lines (&optional reverse)
10420 "Sort the summary buffer by the number of lines.
10421 Argument REVERSE means reverse order."
10423 (gnus-summary-sort 'lines reverse))
10425 (defun gnus-summary-sort-by-chars (&optional reverse)
10426 "Sort the summary buffer by article length.
10427 Argument REVERSE means reverse order."
10429 (gnus-summary-sort 'chars reverse))
10431 (defun gnus-summary-sort-by-original (&optional reverse)
10432 "Sort the summary buffer using the default sorting method.
10433 Argument REVERSE means reverse order."
10435 (let* ((buffer-read-only)
10436 (gnus-summary-prepare-hook nil))
10437 ;; We do the sorting by regenerating the threads.
10438 (gnus-summary-prepare)
10439 ;; Hide subthreads if needed.
10440 (gnus-summary-maybe-hide-threads)))
10442 (defun gnus-summary-sort (predicate reverse)
10443 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
10444 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
10445 (article (intern (format "gnus-article-sort-by-%s" predicate)))
10446 (gnus-thread-sort-functions
10451 (gnus-sort-gathered-threads-function
10452 gnus-thread-sort-functions)
10453 (gnus-article-sort-functions
10457 (,article t2 t1))))
10459 (gnus-summary-prepare-hook nil))
10460 ;; We do the sorting by regenerating the threads.
10461 (gnus-summary-prepare)
10462 ;; Hide subthreads if needed.
10463 (gnus-summary-maybe-hide-threads)))
10465 ;; Summary saving commands.
10467 (defun gnus-summary-save-article (&optional n not-saved)
10468 "Save the current article using the default saver function.
10469 If N is a positive number, save the N next articles.
10470 If N is a negative number, save the N previous articles.
10471 If N is nil and any articles have been marked with the process mark,
10472 save those articles instead.
10473 The variable `gnus-default-article-saver' specifies the saver function."
10475 (let* ((articles (gnus-summary-work-articles n))
10476 (save-buffer (save-excursion
10477 (nnheader-set-temp-buffer " *Gnus Save*")))
10478 (num (length articles))
10480 (dolist (article articles)
10481 (setq header (gnus-summary-article-header article))
10482 (if (not (vectorp header))
10483 ;; This is a pseudo-article.
10484 (if (assq 'name header)
10485 (gnus-copy-file (cdr (assq 'name header)))
10486 (gnus-message 1 "Article %d is unsaveable" article))
10487 ;; This is a real article.
10488 (save-window-excursion
10489 (let ((gnus-display-mime-function nil)
10490 (gnus-article-prepare-hook nil))
10491 (gnus-summary-select-article t nil nil article)))
10493 (set-buffer save-buffer)
10495 (insert-buffer-substring gnus-original-article-buffer))
10496 (setq file (gnus-article-save save-buffer file num))
10497 (gnus-summary-remove-process-mark article)
10499 (gnus-summary-set-saved-mark article))))
10500 (gnus-kill-buffer save-buffer)
10501 (gnus-summary-position-point)
10502 (gnus-set-mode-line 'summary)
10505 (defun gnus-summary-pipe-output (&optional arg headers)
10506 "Pipe the current article to a subprocess.
10507 If N is a positive number, pipe the N next articles.
10508 If N is a negative number, pipe the N previous articles.
10509 If N is nil and any articles have been marked with the process mark,
10510 pipe those articles instead.
10511 If HEADERS (the symbolic prefix), include the headers, too."
10512 (interactive (gnus-interactive "P\ny"))
10513 (require 'gnus-art)
10514 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe)
10515 (gnus-save-all-headers (or headers gnus-save-all-headers)))
10516 (gnus-summary-save-article arg t))
10517 (let ((buffer (get-buffer "*Shell Command Output*")))
10519 (not (zerop (buffer-size buffer))))
10520 (gnus-configure-windows 'pipe))))
10522 (defun gnus-summary-save-article-mail (&optional arg)
10523 "Append the current article to an mail file.
10524 If N is a positive number, save the N next articles.
10525 If N is a negative number, save the N previous articles.
10526 If N is nil and any articles have been marked with the process mark,
10527 save those articles instead."
10529 (require 'gnus-art)
10530 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
10531 (gnus-summary-save-article arg)))
10533 (defun gnus-summary-save-article-rmail (&optional arg)
10534 "Append the current article to an rmail file.
10535 If N is a positive number, save the N next articles.
10536 If N is a negative number, save the N previous articles.
10537 If N is nil and any articles have been marked with the process mark,
10538 save those articles instead."
10540 (require 'gnus-art)
10541 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
10542 (gnus-summary-save-article arg)))
10544 (defun gnus-summary-save-article-file (&optional arg)
10545 "Append the current article to a file.
10546 If N is a positive number, save the N next articles.
10547 If N is a negative number, save the N previous articles.
10548 If N is nil and any articles have been marked with the process mark,
10549 save those articles instead."
10551 (require 'gnus-art)
10552 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
10553 (gnus-summary-save-article arg)))
10555 (defun gnus-summary-write-article-file (&optional arg)
10556 "Write the current article to a file, deleting the previous file.
10557 If N is a positive number, save the N next articles.
10558 If N is a negative number, save the N previous articles.
10559 If N is nil and any articles have been marked with the process mark,
10560 save those articles instead."
10562 (require 'gnus-art)
10563 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
10564 (gnus-summary-save-article arg)))
10566 (defun gnus-summary-save-article-body-file (&optional arg)
10567 "Append the current article body to a file.
10568 If N is a positive number, save the N next articles.
10569 If N is a negative number, save the N previous articles.
10570 If N is nil and any articles have been marked with the process mark,
10571 save those articles instead."
10573 (require 'gnus-art)
10574 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
10575 (gnus-summary-save-article arg)))
10577 (defun gnus-summary-muttprint (&optional arg)
10578 "Print the current article using Muttprint.
10579 If N is a positive number, save the N next articles.
10580 If N is a negative number, save the N previous articles.
10581 If N is nil and any articles have been marked with the process mark,
10582 save those articles instead."
10584 (require 'gnus-art)
10585 (let ((gnus-default-article-saver 'gnus-summary-pipe-to-muttprint))
10586 (gnus-summary-save-article arg t)))
10588 (defun gnus-summary-pipe-message (program)
10589 "Pipe the current article through PROGRAM."
10590 (interactive "sProgram: ")
10591 (gnus-summary-select-article)
10592 (let ((mail-header-separator ""))
10593 (gnus-eval-in-buffer-window gnus-article-buffer
10596 (let ((start (window-start))
10598 (message-pipe-buffer-body program)
10599 (set-window-start (get-buffer-window (current-buffer)) start))))))
10601 (defun gnus-get-split-value (methods)
10602 "Return a value based on the split METHODS."
10603 (let (split-name method result match)
10606 (set-buffer gnus-original-article-buffer)
10608 (nnheader-narrow-to-headers)
10609 (while (and methods (not split-name))
10610 (goto-char (point-min))
10611 (setq method (pop methods))
10612 (setq match (car method))
10615 ;; Regular expression.
10617 (re-search-forward match nil t)))
10618 ((gnus-functionp match)
10622 (setq result (funcall match gnus-newsgroup-name))))
10627 (setq result (eval match)))))
10628 (setq split-name (cdr method))
10629 (cond ((stringp result)
10630 (push (expand-file-name
10631 result gnus-article-save-directory)
10634 (setq split-name (append result split-name)))))))))
10635 (nreverse split-name)))
10637 (defun gnus-valid-move-group-p (group)
10638 (and (boundp group)
10639 (symbol-name group)
10640 (symbol-value group)
10641 (gnus-get-function (gnus-find-method-for-group
10642 (symbol-name group)) 'request-accept-article t)))
10644 (defun gnus-read-move-group-name (prompt default articles prefix)
10645 "Read a group name."
10646 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
10647 (minibuffer-confirm-incomplete nil) ; XEmacs
10649 (format "%s %s to:"
10651 (if (> (length articles) 1)
10652 (format "these %d articles" (length articles))
10657 (gnus-completing-read-with-default
10660 'gnus-valid-move-group-p
10662 'gnus-group-history))
10663 ((= 1 (length split-name))
10664 (gnus-completing-read-with-default
10665 (car split-name) prom
10667 'gnus-valid-move-group-p
10669 'gnus-group-history))
10671 (gnus-completing-read-with-default
10673 (mapcar (lambda (el) (list el))
10674 (nreverse split-name))
10676 'gnus-group-history))))
10677 (to-method (gnus-server-to-method (gnus-group-method to-newsgroup))))
10679 (if (or (string= to-newsgroup "")
10680 (string= to-newsgroup prefix))
10681 (setq to-newsgroup default))
10682 (unless to-newsgroup
10683 (error "No group name entered"))
10684 (or (gnus-active to-newsgroup)
10685 (gnus-activate-group to-newsgroup nil nil to-method)
10686 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
10688 (or (and (gnus-request-create-group to-newsgroup to-method)
10689 (gnus-activate-group
10690 to-newsgroup nil nil to-method)
10691 (gnus-subscribe-group to-newsgroup))
10692 (error "Couldn't create group %s" to-newsgroup)))
10693 (error "No such group: %s" to-newsgroup)))
10696 (defun gnus-summary-save-parts (type dir n &optional reverse)
10697 "Save parts matching TYPE to DIR.
10698 If REVERSE, save parts that do not match TYPE."
10700 (list (read-string "Save parts of type: "
10701 (or (car gnus-summary-save-parts-type-history)
10702 gnus-summary-save-parts-default-mime)
10703 'gnus-summary-save-parts-type-history)
10704 (setq gnus-summary-save-parts-last-directory
10705 (read-file-name "Save to directory: "
10706 gnus-summary-save-parts-last-directory
10708 current-prefix-arg))
10709 (gnus-summary-iterate n
10710 (let ((gnus-display-mime-function nil)
10711 (gnus-inhibit-treatment t))
10712 (gnus-summary-select-article))
10714 (set-buffer gnus-article-buffer)
10715 (let ((handles (or gnus-article-mime-handles
10716 (mm-dissect-buffer nil gnus-article-loose-mime)
10719 (gnus-summary-save-parts-1 type dir handles reverse)
10720 (unless gnus-article-mime-handles ;; Don't destroy this case.
10721 (mm-destroy-parts handles)))))))
10723 (defun gnus-summary-save-parts-1 (type dir handle reverse)
10724 (if (stringp (car handle))
10725 (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
10728 (not (string-match type (mm-handle-media-type handle)))
10729 (string-match type (mm-handle-media-type handle)))
10730 (let ((file (expand-file-name
10731 (file-name-nondirectory
10733 (mail-content-type-get
10734 (mm-handle-disposition handle) 'filename)
10735 (concat gnus-newsgroup-name
10736 "." (number-to-string
10737 (cdr gnus-article-current)))))
10739 (unless (file-exists-p file)
10740 (mm-save-part-to-file handle file))))))
10742 ;; Summary extract commands
10744 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
10745 (let ((buffer-read-only nil)
10746 (article (gnus-summary-article-number))
10748 (unless (gnus-summary-goto-subject article)
10749 (error "No such article: %d" article))
10750 (gnus-summary-position-point)
10751 ;; If all commands are to be bunched up on one line, we collect
10753 (unless gnus-view-pseudos-separately
10754 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
10757 (setq action (cdr (assq 'action (car ps))))
10758 (setq files (list (cdr (assq 'name (car ps)))))
10759 (while (and ps (cdr ps)
10760 (string= (or action "1")
10761 (or (cdr (assq 'action (cadr ps))) "2")))
10762 (push (cdr (assq 'name (cadr ps))) files)
10763 (setcdr ps (cddr ps)))
10765 (when (not (string-match "%s" action))
10768 (when (assq 'execute (car ps))
10769 (setcdr (assq 'execute (car ps))
10770 (funcall (if (string-match "%s" action)
10779 (setq ps (cdr ps)))))
10780 (if (and gnus-view-pseudos (not not-view))
10782 (when (assq 'execute (car pslist))
10783 (gnus-execute-command (cdr (assq 'execute (car pslist)))
10784 (eq gnus-view-pseudos 'not-confirm)))
10785 (setq pslist (cdr pslist)))
10788 (setq after-article (or (cdr (assq 'article (car pslist)))
10789 (gnus-summary-article-number)))
10790 (gnus-summary-goto-subject after-article)
10793 (insert " " (file-name-nondirectory
10794 (cdr (assq 'name (car pslist))))
10795 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
10797 (forward-line -1) ; back to `b'
10798 (gnus-add-text-properties
10799 b (1- e) (list 'gnus-number gnus-reffed-article-number
10800 gnus-mouse-face-prop gnus-mouse-face))
10802 after-article gnus-reffed-article-number
10803 gnus-unread-mark b (car pslist) 0 (- e b))
10804 (setq gnus-newsgroup-unreads
10805 (gnus-add-to-sorted-list gnus-newsgroup-unreads
10806 gnus-reffed-article-number))
10807 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
10808 (setq pslist (cdr pslist)))))))
10810 (defun gnus-pseudos< (p1 p2)
10811 (let ((c1 (cdr (assq 'action p1)))
10812 (c2 (cdr (assq 'action p2))))
10813 (and c1 c2 (string< c1 c2))))
10815 (defun gnus-request-pseudo-article (props)
10816 (cond ((assq 'execute props)
10817 (gnus-execute-command (cdr (assq 'execute props)))))
10818 (let ((gnus-current-article (gnus-summary-article-number)))
10819 (gnus-run-hooks 'gnus-mark-article-hook)))
10821 (defun gnus-execute-command (command &optional automatic)
10823 (gnus-article-setup-buffer)
10824 (set-buffer gnus-article-buffer)
10825 (setq buffer-read-only nil)
10826 (let ((command (if automatic command
10827 (read-string "Command: " (cons command 0)))))
10829 (insert "$ " command "\n\n")
10830 (if gnus-view-pseudo-asynchronously
10831 (start-process "gnus-execute" (current-buffer) shell-file-name
10832 shell-command-switch command)
10833 (call-process shell-file-name nil t nil
10834 shell-command-switch command)))))
10836 ;; Summary kill commands.
10838 (defun gnus-summary-edit-global-kill (article)
10839 "Edit the \"global\" kill file."
10840 (interactive (list (gnus-summary-article-number)))
10841 (gnus-group-edit-global-kill article))
10843 (defun gnus-summary-edit-local-kill ()
10844 "Edit a local kill file applied to the current newsgroup."
10846 (setq gnus-current-headers (gnus-summary-article-header))
10847 (gnus-group-edit-local-kill
10848 (gnus-summary-article-number) gnus-newsgroup-name))
10850 ;;; Header reading.
10852 (defun gnus-read-header (id &optional header)
10853 "Read the headers of article ID and enter them into the Gnus system."
10854 (let ((group gnus-newsgroup-name)
10855 (gnus-override-method
10857 gnus-override-method
10858 (and (gnus-news-group-p gnus-newsgroup-name)
10859 (car (gnus-refer-article-methods)))))
10861 ;; First we check to see whether the header in question is already
10864 ;; This is a Message-ID.
10865 (setq header (or header (gnus-id-to-header id)))
10866 ;; This is an article number.
10867 (setq header (or header (gnus-summary-article-header id))))
10869 (not (gnus-summary-article-sparse-p (mail-header-number header))))
10870 ;; We have found the header.
10872 ;; If this is a sparse article, we have to nix out its
10873 ;; previous entry in the thread hashtb.
10875 (gnus-summary-article-sparse-p (mail-header-number header)))
10876 (let* ((parent (gnus-parent-id (mail-header-references header)))
10877 (thread (and parent (gnus-id-to-thread parent))))
10879 (delq (assq header thread) thread))))
10880 ;; We have to really fetch the header to this article.
10882 (set-buffer nntp-server-buffer)
10883 (when (setq where (gnus-request-head id group))
10884 (nnheader-fold-continuation-lines)
10885 (goto-char (point-max))
10887 (goto-char (point-min))
10891 ((cdr where) (cdr where))
10892 (header (mail-header-number header))
10893 (t gnus-reffed-article-number))
10895 (insert " Article retrieved.\n"))
10896 (if (or (not where)
10897 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
10898 () ; Malformed head.
10899 (unless (gnus-summary-article-sparse-p (mail-header-number header))
10900 (when (and (stringp id)
10901 (not (string= (gnus-group-real-name group)
10903 ;; If we fetched by Message-ID and the article came
10904 ;; from a different group, we fudge some bogus article
10905 ;; numbers for this article.
10906 (mail-header-set-number header gnus-reffed-article-number))
10908 (set-buffer gnus-summary-buffer)
10909 (decf gnus-reffed-article-number)
10910 (gnus-remove-header (mail-header-number header))
10911 (push header gnus-newsgroup-headers)
10912 (setq gnus-current-headers header)
10913 (push (mail-header-number header) gnus-newsgroup-limit)))
10916 (defun gnus-remove-header (number)
10917 "Remove header NUMBER from `gnus-newsgroup-headers'."
10918 (if (and gnus-newsgroup-headers
10919 (= number (mail-header-number (car gnus-newsgroup-headers))))
10920 (pop gnus-newsgroup-headers)
10921 (let ((headers gnus-newsgroup-headers))
10922 (while (and (cdr headers)
10923 (not (= number (mail-header-number (cadr headers)))))
10925 (when (cdr headers)
10926 (setcdr headers (cddr headers))))))
10929 ;;; summary highlights
10932 (defun gnus-highlight-selected-summary ()
10933 "Highlight selected article in summary buffer."
10934 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
10935 (when gnus-summary-selected-face
10937 (let* ((beg (progn (beginning-of-line) (point)))
10938 (end (progn (end-of-line) (point)))
10939 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
10940 (from (if (get-text-property beg gnus-mouse-face-prop)
10942 (or (next-single-property-change
10943 beg gnus-mouse-face-prop nil end)
10948 (or (next-single-property-change
10949 from gnus-mouse-face-prop nil end)
10951 ;; If no mouse-face prop on line we will have to = from = end,
10952 ;; so we highlight the entire line instead.
10953 (when (= (+ to 2) from)
10956 (if gnus-newsgroup-selected-overlay
10957 ;; Move old overlay.
10959 gnus-newsgroup-selected-overlay from to (current-buffer))
10960 ;; Create new overlay.
10962 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
10963 'face gnus-summary-selected-face))))))
10965 (defvar gnus-summary-highlight-line-cached nil)
10966 (defvar gnus-summary-highlight-line-trigger nil)
10968 (defun gnus-summary-highlight-line-0 ()
10969 (if (and (eq gnus-summary-highlight-line-trigger
10970 gnus-summary-highlight)
10971 gnus-summary-highlight-line-cached)
10972 gnus-summary-highlight-line-cached
10973 (setq gnus-summary-highlight-line-trigger gnus-summary-highlight
10974 gnus-summary-highlight-line-cached
10975 (let* ((cond (list 'cond))
10977 (list gnus-summary-highlight))
10979 (setcdr c (cons (list (caar list) (list 'quote (cdar list))) nil))
10982 (gnus-byte-compile (list 'lambda nil cond))))))
10984 (defun gnus-summary-highlight-line ()
10985 "Highlight current line according to `gnus-summary-highlight'."
10986 (let* ((beg (gnus-point-at-bol))
10987 (article (or (gnus-summary-article-number) gnus-current-article))
10988 (score (or (cdr (assq article
10989 gnus-newsgroup-scored))
10990 gnus-summary-default-score 0))
10991 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
10992 (inhibit-read-only t)
10993 (default gnus-summary-default-score)
10994 (default-high gnus-summary-default-high-score)
10995 (default-low gnus-summary-default-low-score)
10996 (uncached (memq article gnus-newsgroup-undownloaded))
10997 (downloaded (not uncached)))
10998 (let ((face (funcall (gnus-summary-highlight-line-0))))
10999 (unless (eq face (get-text-property beg 'face))
11000 (gnus-put-text-property-excluding-characters-with-faces
11001 beg (gnus-point-at-eol) 'face
11002 (setq face (if (boundp face) (symbol-value face) face)))
11003 (when gnus-summary-highlight-line-function
11004 (funcall gnus-summary-highlight-line-function article face))))))
11006 (defun gnus-update-read-articles (group unread &optional compute)
11007 "Update the list of read articles in GROUP.
11008 UNREAD is a sorted list."
11009 (let* ((active (or gnus-newsgroup-active (gnus-active group)))
11010 (entry (gnus-gethash group gnus-newsrc-hashtb))
11011 (info (nth 2 entry))
11014 (if (or (not info) (not active))
11015 ;; There is no info on this group if it was, in fact,
11016 ;; killed. Gnus stores no information on killed groups, so
11017 ;; there's nothing to be done.
11018 ;; One could store the information somewhere temporarily,
11019 ;; perhaps... Hmmm...
11021 ;; Remove any negative articles numbers.
11022 (while (and unread (< (car unread) 0))
11023 (setq unread (cdr unread)))
11024 ;; Remove any expired article numbers
11025 (while (and unread (< (car unread) (car active)))
11026 (setq unread (cdr unread)))
11027 ;; Compute the ranges of read articles by looking at the list of
11028 ;; unread articles.
11030 (when (/= (car unread) prev)
11031 (push (if (= prev (1- (car unread))) prev
11032 (cons prev (1- (car unread))))
11034 (setq prev (1+ (car unread)))
11035 (setq unread (cdr unread)))
11036 (when (<= prev (cdr active))
11037 (push (cons prev (cdr active)) read))
11038 (setq read (if (> (length read) 1) (nreverse read) read))
11043 ;; Propagate the read marks to the backend.
11044 (when (gnus-check-backend-function 'request-set-mark group)
11045 (let ((del (gnus-remove-from-range (gnus-info-read info) read))
11046 (add (gnus-remove-from-range read (gnus-info-read info))))
11048 (unless (gnus-check-group group)
11049 (error "Can't open server for %s" group))
11050 (gnus-request-set-mark
11051 group (delq nil (list (if add (list add 'add '(read)))
11052 (if del (list del 'del '(read))))))
11054 `(gnus-request-set-mark
11057 (if del (list del 'add '(read)))
11058 (if add (list add 'del '(read))))))))))
11059 (set-buffer gnus-group-buffer)
11060 (gnus-undo-register
11062 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
11063 (gnus-info-set-read ',info ',(gnus-info-read info))
11064 (gnus-get-unread-articles-in-group ',info
11065 (gnus-active ,group))
11066 (gnus-group-update-group ,group t)
11068 ;; Enter this list into the group info.
11069 (gnus-info-set-read info read)
11070 ;; Set the number of unread articles in gnus-newsrc-hashtb.
11071 (gnus-get-unread-articles-in-group info (gnus-active group))
11074 (defun gnus-offer-save-summaries ()
11075 "Offer to save all active summary buffers."
11077 ;; Go through all buffers and find all summaries.
11078 (dolist (buffer (buffer-list))
11079 (when (and (setq buffer (buffer-name buffer))
11080 (string-match "Summary" buffer)
11082 (set-buffer buffer)
11083 ;; We check that this is, indeed, a summary buffer.
11084 (and (eq major-mode 'gnus-summary-mode)
11085 ;; Also make sure this isn't bogus.
11086 gnus-newsgroup-prepared
11087 ;; Also make sure that this isn't a
11088 ;; dead summary buffer.
11089 (not gnus-dead-summary-mode))))
11090 (push buffer buffers)))
11091 ;; Go through all these summary buffers and offer to save them.
11095 "Update summary buffer %s? "
11097 (switch-to-buffer buf)
11098 (gnus-summary-exit))
11101 (defun gnus-summary-setup-default-charset ()
11102 "Setup newsgroup default charset."
11103 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
11104 (setq gnus-newsgroup-charset nil)
11105 (let* ((ignored-charsets
11106 (or gnus-newsgroup-ephemeral-ignored-charsets
11108 (and gnus-newsgroup-name
11109 (gnus-parameter-ignored-charsets gnus-newsgroup-name))
11110 gnus-newsgroup-ignored-charsets))))
11111 (setq gnus-newsgroup-charset
11112 (or gnus-newsgroup-ephemeral-charset
11113 (and gnus-newsgroup-name
11114 (gnus-parameter-charset gnus-newsgroup-name))
11115 gnus-default-charset))
11116 (set (make-local-variable 'gnus-newsgroup-ignored-charsets)
11117 ignored-charsets))))
11123 (defun gnus-summary-display-buttonized (&optional show-all-parts)
11124 "Display the current article buffer fully MIME-buttonized.
11125 If SHOW-ALL-PARTS (the prefix) is non-nil, all multipart/* parts are
11126 treated as multipart/mixed."
11128 (require 'gnus-art)
11129 (let ((gnus-unbuttonized-mime-types nil)
11130 (gnus-mime-display-multipart-as-mixed show-all-parts))
11131 (gnus-summary-show-article)))
11133 (defun gnus-summary-repair-multipart (article)
11134 "Add a Content-Type header to a multipart article without one."
11135 (interactive (list (gnus-summary-article-number)))
11136 (gnus-with-article article
11137 (message-narrow-to-head)
11138 (message-remove-header "Mime-Version")
11139 (goto-char (point-max))
11140 (insert "Mime-Version: 1.0\n")
11142 (when (search-forward "\n--" nil t)
11143 (let ((separator (buffer-substring (point) (gnus-point-at-eol))))
11144 (message-narrow-to-head)
11145 (message-remove-header "Content-Type")
11146 (goto-char (point-max))
11147 (insert (format "Content-Type: multipart/mixed; boundary=\"%s\"\n"
11150 (let (gnus-mark-article-hook)
11151 (gnus-summary-select-article t t nil article)))
11153 (defun gnus-summary-toggle-display-buttonized ()
11154 "Toggle the buttonizing of the article buffer."
11156 (require 'gnus-art)
11157 (if (setq gnus-inhibit-mime-unbuttonizing
11158 (not gnus-inhibit-mime-unbuttonizing))
11159 (let ((gnus-unbuttonized-mime-types nil))
11160 (gnus-summary-show-article))
11161 (gnus-summary-show-article)))
11164 ;;; Generic summary marking commands
11167 (defvar gnus-summary-marking-alist
11168 '((read gnus-del-mark "d")
11169 (unread gnus-unread-mark "u")
11170 (ticked gnus-ticked-mark "!")
11171 (dormant gnus-dormant-mark "?")
11172 (expirable gnus-expirable-mark "e"))
11173 "An alist of names/marks/keystrokes.")
11175 (defvar gnus-summary-generic-mark-map (make-sparse-keymap))
11176 (defvar gnus-summary-mark-map)
11178 (defun gnus-summary-make-all-marking-commands ()
11179 (define-key gnus-summary-mark-map "M" gnus-summary-generic-mark-map)
11180 (dolist (elem gnus-summary-marking-alist)
11181 (apply 'gnus-summary-make-marking-command elem)))
11183 (defun gnus-summary-make-marking-command (name mark keystroke)
11184 (let ((map (make-sparse-keymap)))
11185 (define-key gnus-summary-generic-mark-map keystroke map)
11186 (dolist (lway `((next "next" next nil "n")
11187 (next-unread "next unread" next t "N")
11188 (prev "previous" prev nil "p")
11189 (prev-unread "previous unread" prev t "P")
11190 (nomove "" nil nil ,keystroke)))
11191 (let ((func (gnus-summary-make-marking-command-1
11192 mark (car lway) lway name)))
11193 (setq func (eval func))
11194 (define-key map (nth 4 lway) func)))))
11196 (defun gnus-summary-make-marking-command-1 (mark way lway name)
11198 (format "gnus-summary-put-mark-as-%s%s"
11199 name (if (eq way 'nomove)
11201 (concat "-" (symbol-name way)))))
11204 "Mark the current article as %s%s.
11205 If N, the prefix, then repeat N times.
11206 If N is negative, move in reverse order.
11207 The difference between N and the actual number of articles marked is
11211 (gnus-summary-generic-mark n ,mark ',(nth 2 lway) ,(nth 3 lway))))
11213 (defun gnus-summary-generic-mark (n mark move unread)
11214 "Mark N articles with MARK."
11215 (unless (eq major-mode 'gnus-summary-mode)
11216 (error "This command can only be used in the summary buffer"))
11217 (gnus-summary-show-thread)
11220 ((eq move 'next) 1)
11221 ((eq move 'prev) -1)
11223 (if (zerop nummove)
11227 nummove (* -1 nummove))))
11228 (while (and (> n 0)
11229 (gnus-summary-mark-article nil mark)
11230 (zerop (gnus-summary-next-subject nummove unread t)))
11233 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
11234 (gnus-summary-recenter)
11235 (gnus-summary-position-point)
11236 (gnus-set-mode-line 'summary)
11239 (defun gnus-summary-insert-articles (articles)
11240 (when (setq articles
11241 (gnus-sorted-difference articles
11242 (mapcar (lambda (h)
11243 (mail-header-number h))
11244 gnus-newsgroup-headers)))
11245 (setq gnus-newsgroup-headers
11247 gnus-newsgroup-headers
11248 (gnus-fetch-headers articles)
11249 'gnus-article-sort-by-number))
11250 ;; Suppress duplicates?
11251 (when gnus-suppress-duplicates
11252 (gnus-dup-suppress-articles))
11254 ;; We might want to build some more threads first.
11255 (when (and gnus-fetch-old-headers
11256 (eq gnus-headers-retrieved-by 'nov))
11257 (if (eq gnus-fetch-old-headers 'invisible)
11258 (gnus-build-all-threads)
11259 (gnus-build-old-threads)))
11260 ;; Let the Gnus agent mark articles as read.
11262 (gnus-agent-get-undownloaded-list))
11263 ;; Remove list identifiers from subject
11264 (when gnus-list-identifiers
11265 (gnus-summary-remove-list-identifiers))
11266 ;; First and last article in this newsgroup.
11267 (when gnus-newsgroup-headers
11268 (setq gnus-newsgroup-begin
11269 (mail-header-number (car gnus-newsgroup-headers))
11271 (mail-header-number
11272 (gnus-last-element gnus-newsgroup-headers))))
11273 (when gnus-use-scoring
11274 (gnus-possibly-score-headers))))
11276 (defun gnus-summary-insert-old-articles (&optional all)
11277 "Insert all old articles in this group.
11278 If ALL is non-nil, already read articles become readable.
11279 If ALL is a number, fetch this number of articles."
11282 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
11285 ;; Some nntp servers lie about their active range. When
11286 ;; this happens, the active range can be in the millions.
11287 ;; Use a compressed range to avoid creating a huge list.
11288 (gnus-range-difference (list gnus-newsgroup-active) old))
11289 (setq len (gnus-range-length older))
11294 (let ((older-range (nreverse older)))
11298 (let* ((r (pop older-range))
11299 (min (if (numberp r) r (car r)))
11300 (max (if (numberp r) r (cdr r))))
11301 (while (and (<= min max)
11306 (setq older (gnus-uncompress-range older))))
11308 (setq older (gnus-uncompress-range older)))
11310 (when (and (numberp gnus-large-newsgroup)
11311 (> len gnus-large-newsgroup))
11312 (let* ((cursor-in-echo-area nil)
11313 (initial (gnus-parameter-large-newsgroup-initial
11314 gnus-newsgroup-name))
11318 "How many articles from %s (%s %d): "
11320 (gnus-group-decoded-name gnus-newsgroup-name) 35)
11321 (if initial "max" "default")
11324 (cons (number-to-string initial)
11326 (unless (string-match "^[ \t]*$" input)
11327 (setq all (string-to-number input))
11329 (let ((older-range (nreverse older)))
11333 (let* ((r (pop older-range))
11334 (min (if (numberp r) r (car r)))
11335 (max (if (numberp r) r (cdr r))))
11336 (while (and (<= min max)
11340 max (1- max))))))))))
11341 (setq older (gnus-uncompress-range older))))
11343 (message "No old news.")
11344 (gnus-summary-insert-articles older)
11345 (gnus-summary-limit (gnus-sorted-nunion old older))))
11346 (gnus-summary-position-point)))
11348 (defun gnus-summary-insert-new-articles ()
11349 "Insert all new articles in this group."
11352 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
11353 (old-active gnus-newsgroup-active)
11354 (nnmail-fetched-sources (list t))
11356 (setq gnus-newsgroup-active
11357 (gnus-activate-group gnus-newsgroup-name 'scan))
11358 (setq i (cdr gnus-newsgroup-active))
11359 (while (> i (cdr old-active))
11363 (message "No gnus is bad news.")
11364 (gnus-summary-insert-articles new)
11365 (setq gnus-newsgroup-unreads
11366 (gnus-sorted-nunion gnus-newsgroup-unreads new))
11367 (gnus-summary-limit (gnus-sorted-nunion old new))))
11368 (gnus-summary-position-point)))
11370 (gnus-summary-make-all-marking-commands)
11372 (gnus-ems-redefine)
11374 (provide 'gnus-sum)
11376 (run-hooks 'gnus-sum-load-hook)
11378 ;;; gnus-sum.el ends here