1 ;;; gnus-sum.el --- summary mode commands for Semi-gnus
2 ;; Copyright (C) 1996,97,98 Free Software Foundation, Inc.
4 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
5 ;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
6 ;; Keywords: mail, news, MIME
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))
40 (autoload 'gnus-summary-limit-include-cached "gnus-cache" nil t)
41 (autoload 'gnus-set-summary-default-charset "gnus-i18n" nil t)
43 (defcustom gnus-kill-summary-on-exit t
44 "*If non-nil, kill the summary buffer when you exit from it.
45 If nil, the summary will become a \"*Dead Summary*\" buffer, and
46 it will be killed sometime later."
47 :group 'gnus-summary-exit
50 (defcustom gnus-fetch-old-headers nil
51 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
52 If an unread article in the group refers to an older, already read (or
53 just marked as read) article, the old article will not normally be
54 displayed in the Summary buffer. If this variable is non-nil, Gnus
55 will attempt to grab the headers to the old articles, and thereby
56 build complete threads. If it has the value `some', only enough
57 headers to connect otherwise loose threads will be displayed. This
58 variable can also be a number. In that case, no more than that number
59 of old headers will be fetched. If it has the value `invisible', all
60 old headers will be fetched, but none will be displayed.
62 The server has to support NOV for any of this to work."
64 :type '(choice (const :tag "off" nil)
67 (sexp :menu-tag "other" t)))
69 (defcustom gnus-refer-thread-limit 200
70 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
71 If t, fetch all the available old headers."
74 (sexp :menu-tag "other" t)))
76 (defcustom gnus-summary-make-false-root 'adopt
77 "*nil means that Gnus won't gather loose threads.
78 If the root of a thread has expired or been read in a previous
79 session, the information necessary to build a complete thread has been
80 lost. Instead of having many small sub-threads from this original thread
81 scattered all over the summary buffer, Gnus can gather them.
83 If non-nil, Gnus will try to gather all loose sub-threads from an
84 original thread into one large thread.
86 If this variable is non-nil, it should be one of `none', `adopt',
89 If this variable is `none', Gnus will not make a false root, but just
90 present the sub-threads after another.
91 If this variable is `dummy', Gnus will create a dummy root that will
92 have all the sub-threads as children.
93 If this variable is `adopt', Gnus will make one of the \"children\"
94 the parent and mark all the step-children as such.
95 If this variable is `empty', the \"children\" are printed with empty
96 subject fields. (Or rather, they will be printed with a string
97 given by the `gnus-summary-same-subject' variable.)"
99 :type '(choice (const :tag "off" nil)
105 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
106 "*A regexp to match subjects to be excluded from loose thread gathering.
107 As loose thread gathering is done on subjects only, that means that
108 there can be many false gatherings performed. By rooting out certain
109 common subjects, gathering might become saner."
113 (defcustom gnus-summary-gather-subject-limit nil
114 "*Maximum length of subject comparisons when gathering loose threads.
115 Use nil to compare full subjects. Setting this variable to a low
116 number will help gather threads that have been corrupted by
117 newsreaders chopping off subject lines, but it might also mean that
118 unrelated articles that have subject that happen to begin with the
119 same few characters will be incorrectly gathered.
121 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
124 :type '(choice (const :tag "off" nil)
126 (sexp :menu-tag "on" t)))
128 (defcustom gnus-simplify-subject-functions nil
129 "List of functions taking a string argument that simplify subjects.
130 The functions are applied recursively.
132 Useful functions to put in this list include: `gnus-simplify-subject-re',
133 `gnus-simplify-subject-fuzzy' and `gnus-simplify-whitespace'."
135 :type '(repeat function))
137 (defcustom gnus-simplify-ignored-prefixes nil
138 "*Regexp, matches for which are removed from subject lines when simplifying fuzzily."
140 :type '(choice (const :tag "off" nil)
143 (defcustom gnus-build-sparse-threads nil
144 "*If non-nil, fill in the gaps in threads.
145 If `some', only fill in the gaps that are needed to tie loose threads
146 together. If `more', fill in all leaf nodes that Gnus can find. If
147 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
149 :type '(choice (const :tag "off" nil)
152 (sexp :menu-tag "all" t)))
154 (defcustom gnus-summary-thread-gathering-function
155 'gnus-gather-threads-by-subject
156 "*Function used for gathering loose threads.
157 There are two pre-defined functions: `gnus-gather-threads-by-subject',
158 which only takes Subjects into consideration; and
159 `gnus-gather-threads-by-references', which compared the References
160 headers of the articles to find matches."
162 :type '(radio (function-item gnus-gather-threads-by-subject)
163 (function-item gnus-gather-threads-by-references)
164 (function :tag "other")))
166 (defcustom gnus-summary-same-subject ""
167 "*String indicating that the current article has the same subject as the previous.
168 This variable will only be used if the value of
169 `gnus-summary-make-false-root' is `empty'."
170 :group 'gnus-summary-format
173 (defcustom gnus-summary-goto-unread t
174 "*If t, marking commands will go to the next unread article.
175 If `never', commands that usually go to the next unread article, will
176 go to the next article, whether it is read or not.
177 If nil, only the marking commands will go to the next (un)read article."
178 :group 'gnus-summary-marks
179 :link '(custom-manual "(gnus)Setting Marks")
180 :type '(choice (const :tag "off" nil)
182 (sexp :menu-tag "on" t)))
184 (defcustom gnus-summary-default-score 0
185 "*Default article score level.
186 All scores generated by the score files will be added to this score.
187 If this variable is nil, scoring will be disabled."
188 :group 'gnus-score-default
189 :type '(choice (const :tag "disable")
192 (defcustom gnus-summary-zcore-fuzz 0
193 "*Fuzziness factor for the zcore in the summary buffer.
194 Articles with scores closer than this to `gnus-summary-default-score'
196 :group 'gnus-summary-format
199 (defcustom gnus-simplify-subject-fuzzy-regexp nil
200 "*Strings to be removed when doing fuzzy matches.
201 This can either be a regular expression or list of regular expressions
202 that will be removed from subject strings if fuzzy subject
203 simplification is selected."
205 :type '(repeat regexp))
207 (defcustom gnus-show-threads t
208 "*If non-nil, display threads in summary mode."
212 (defcustom gnus-thread-hide-subtree nil
213 "*If non-nil, hide all threads initially.
214 If threads are hidden, you have to run the command
215 `gnus-summary-show-thread' by hand or use `gnus-select-article-hook'
216 to expose hidden threads."
220 (defcustom gnus-thread-hide-killed t
221 "*If non-nil, hide killed threads automatically."
225 (defcustom gnus-thread-ignore-subject t
226 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
227 If nil, articles that have different subjects from their parents will
228 start separate threads."
232 (defcustom gnus-thread-operation-ignore-subject t
233 "*If non-nil, subjects will be ignored when doing thread commands.
234 This affects commands like `gnus-summary-kill-thread' and
235 `gnus-summary-lower-thread'.
237 If this variable is nil, articles in the same thread with different
238 subjects will not be included in the operation in question. If this
239 variable is `fuzzy', only articles that have subjects that are fuzzily
240 equal will be included."
242 :type '(choice (const :tag "off" nil)
246 (defcustom gnus-thread-indent-level 4
247 "*Number that says how much each sub-thread should be indented."
251 (defcustom gnus-auto-extend-newsgroup t
252 "*If non-nil, extend newsgroup forward and backward when requested."
253 :group 'gnus-summary-choose
256 (defcustom gnus-auto-select-first t
257 "*If nil, don't select the first unread article when entering a group.
258 If this variable is `best', select the highest-scored unread article
259 in the group. If t, select the first unread article.
261 This variable can also be a function to place point on a likely
262 subject line. Useful values include `gnus-summary-first-unread-subject',
263 `gnus-summary-first-unread-article' and
264 `gnus-summary-best-unread-article'.
266 If you want to prevent automatic selection of the first unread article
267 in some newsgroups, set the variable to nil in
268 `gnus-select-group-hook'."
269 :group 'gnus-group-select
270 :type '(choice (const :tag "none" nil)
272 (sexp :menu-tag "first" t)
273 (function-item gnus-summary-first-unread-subject)
274 (function-item gnus-summary-first-unread-article)
275 (function-item gnus-summary-best-unread-article)))
277 (defcustom gnus-auto-select-next t
278 "*If non-nil, offer to go to the next group from the end of the previous.
279 If the value is t and the next newsgroup is empty, Gnus will exit
280 summary mode and go back to group mode. If the value is neither nil
281 nor t, Gnus will select the following unread newsgroup. In
282 particular, if the value is the symbol `quietly', the next unread
283 newsgroup will be selected without any confirmation, and if it is
284 `almost-quietly', the next group will be selected without any
285 confirmation if you are located on the last article in the group.
286 Finally, if this variable is `slightly-quietly', the `Z n' command
287 will go to the next group without confirmation."
288 :group 'gnus-summary-maneuvering
289 :type '(choice (const :tag "off" nil)
291 (const almost-quietly)
292 (const slightly-quietly)
293 (sexp :menu-tag "on" t)))
295 (defcustom gnus-auto-select-same nil
296 "*If non-nil, select the next article with the same subject.
297 If there are no more articles with the same subject, go to
298 the first unread article."
299 :group 'gnus-summary-maneuvering
302 (defcustom gnus-summary-check-current nil
303 "*If non-nil, consider the current article when moving.
304 The \"unread\" movement commands will stay on the same line if the
305 current article is unread."
306 :group 'gnus-summary-maneuvering
309 (defcustom gnus-auto-center-summary t
310 "*If non-nil, always center the current summary buffer.
311 In particular, if `vertical' do only vertical recentering. If non-nil
312 and non-`vertical', do both horizontal and vertical recentering."
313 :group 'gnus-summary-maneuvering
314 :type '(choice (const :tag "none" nil)
316 (sexp :menu-tag "both" t)))
318 (defcustom gnus-show-all-headers nil
319 "*If non-nil, don't hide any headers."
320 :group 'gnus-article-hiding
321 :group 'gnus-article-headers
324 (defcustom gnus-summary-ignore-duplicates nil
325 "*If non-nil, ignore articles with identical Message-ID headers."
329 (defcustom gnus-single-article-buffer t
330 "*If non-nil, display all articles in the same buffer.
331 If nil, each group will get its own article buffer."
332 :group 'gnus-article-various
335 (defcustom gnus-break-pages t
336 "*If non-nil, do page breaking on articles.
337 The page delimiter is specified by the `gnus-page-delimiter'
339 :group 'gnus-article-various
342 (defcustom gnus-show-mime t
343 "*If non-nil, do mime processing of articles.
344 The articles will simply be fed to the function given by
345 `gnus-article-display-method-for-mime'."
346 :group 'gnus-article-mime
349 (defcustom gnus-move-split-methods nil
350 "*Variable used to suggest where articles are to be moved to.
351 It uses the same syntax as the `gnus-split-methods' variable."
352 :group 'gnus-summary-mail
353 :type '(repeat (choice (list :value (fun) function)
354 (cons :value ("" "") regexp (repeat string))
357 (defcustom gnus-unread-mark ?
358 "*Mark used for unread articles."
359 :group 'gnus-summary-marks
362 (defcustom gnus-ticked-mark ?!
363 "*Mark used for ticked articles."
364 :group 'gnus-summary-marks
367 (defcustom gnus-dormant-mark ??
368 "*Mark used for dormant articles."
369 :group 'gnus-summary-marks
372 (defcustom gnus-del-mark ?r
373 "*Mark used for del'd articles."
374 :group 'gnus-summary-marks
377 (defcustom gnus-read-mark ?R
378 "*Mark used for read articles."
379 :group 'gnus-summary-marks
382 (defcustom gnus-expirable-mark ?E
383 "*Mark used for expirable articles."
384 :group 'gnus-summary-marks
387 (defcustom gnus-killed-mark ?K
388 "*Mark used for killed articles."
389 :group 'gnus-summary-marks
392 (defcustom gnus-souped-mark ?F
393 "*Mark used for killed articles."
394 :group 'gnus-summary-marks
397 (defcustom gnus-kill-file-mark ?X
398 "*Mark used for articles killed by kill files."
399 :group 'gnus-summary-marks
402 (defcustom gnus-low-score-mark ?Y
403 "*Mark used for articles with a low score."
404 :group 'gnus-summary-marks
407 (defcustom gnus-catchup-mark ?C
408 "*Mark used for articles that are caught up."
409 :group 'gnus-summary-marks
412 (defcustom gnus-replied-mark ?A
413 "*Mark used for articles that have been replied to."
414 :group 'gnus-summary-marks
417 (defcustom gnus-cached-mark ?*
418 "*Mark used for articles that are in the cache."
419 :group 'gnus-summary-marks
422 (defcustom gnus-saved-mark ?S
423 "*Mark used for articles that have been saved to."
424 :group 'gnus-summary-marks
427 (defcustom gnus-ancient-mark ?O
428 "*Mark used for ancient articles."
429 :group 'gnus-summary-marks
432 (defcustom gnus-sparse-mark ?Q
433 "*Mark used for sparsely reffed articles."
434 :group 'gnus-summary-marks
437 (defcustom gnus-canceled-mark ?G
438 "*Mark used for canceled articles."
439 :group 'gnus-summary-marks
442 (defcustom gnus-duplicate-mark ?M
443 "*Mark used for duplicate articles."
444 :group 'gnus-summary-marks
447 (defcustom gnus-undownloaded-mark ?@
448 "*Mark used for articles that weren't downloaded."
449 :group 'gnus-summary-marks
452 (defcustom gnus-downloadable-mark ?%
453 "*Mark used for articles that are to be downloaded."
454 :group 'gnus-summary-marks
457 (defcustom gnus-unsendable-mark ?=
458 "*Mark used for articles that won't be sent."
459 :group 'gnus-summary-marks
462 (defcustom gnus-score-over-mark ?+
463 "*Score mark used for articles with high scores."
464 :group 'gnus-summary-marks
467 (defcustom gnus-score-below-mark ?-
468 "*Score mark used for articles with low scores."
469 :group 'gnus-summary-marks
472 (defcustom gnus-empty-thread-mark ?
473 "*There is no thread under the article."
474 :group 'gnus-summary-marks
477 (defcustom gnus-not-empty-thread-mark ?=
478 "*There is a thread under the article."
479 :group 'gnus-summary-marks
482 (defcustom gnus-view-pseudo-asynchronously nil
483 "*If non-nil, Gnus will view pseudo-articles asynchronously."
484 :group 'gnus-extract-view
487 (defcustom gnus-view-pseudos nil
488 "*If `automatic', pseudo-articles will be viewed automatically.
489 If `not-confirm', pseudos will be viewed automatically, and the user
490 will not be asked to confirm the command."
491 :group 'gnus-extract-view
492 :type '(choice (const :tag "off" nil)
494 (const not-confirm)))
496 (defcustom gnus-view-pseudos-separately t
497 "*If non-nil, one pseudo-article will be created for each file to be viewed.
498 If nil, all files that use the same viewing command will be given as a
499 list of parameters to that command."
500 :group 'gnus-extract-view
503 (defcustom gnus-insert-pseudo-articles t
504 "*If non-nil, insert pseudo-articles when decoding articles."
505 :group 'gnus-extract-view
508 (defcustom gnus-summary-dummy-line-format
510 "*The format specification for the dummy roots in the summary buffer.
511 It works along the same lines as a normal formatting string,
512 with some simple extensions.
515 :group 'gnus-threading
518 (defcustom gnus-summary-mode-line-format "Gnus: %g [%A] %Z"
519 "*The format specification for the summary mode line.
520 It works along the same lines as a normal formatting string,
521 with some simple extensions:
524 %p Unprefixed group name
525 %A Current article number
526 %z Current article score
528 %U Number of unread articles in the group
529 %e Number of unselected articles in the group
530 %Z A string with unread/unselected article counts
531 %g Shortish group name
532 %S Subject of the current article
534 %s Current score file name
535 %d Number of dormant articles
536 %r Number of articles that have been marked as read in this session
537 %E Number of articles expunged by the score files"
538 :group 'gnus-summary-format
541 (defcustom gnus-summary-mark-below 0
542 "*Mark all articles with a score below this variable as read.
543 This variable is local to each summary buffer and usually set by the
545 :group 'gnus-score-default
548 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
549 "*List of functions used for sorting articles in the summary buffer.
550 This variable is only used when not using a threaded display."
551 :group 'gnus-summary-sort
552 :type '(repeat (choice (function-item gnus-article-sort-by-number)
553 (function-item gnus-article-sort-by-author)
554 (function-item gnus-article-sort-by-subject)
555 (function-item gnus-article-sort-by-date)
556 (function-item gnus-article-sort-by-score)
557 (function :tag "other"))))
559 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
560 "*List of functions used for sorting threads in the summary buffer.
561 By default, threads are sorted by article number.
563 Each function takes two threads and return non-nil if the first thread
564 should be sorted before the other. If you use more than one function,
565 the primary sort function should be the last. You should probably
566 always include `gnus-thread-sort-by-number' in the list of sorting
567 functions -- preferably first.
569 Ready-made functions include `gnus-thread-sort-by-number',
570 `gnus-thread-sort-by-author', `gnus-thread-sort-by-subject',
571 `gnus-thread-sort-by-date', `gnus-thread-sort-by-score' and
572 `gnus-thread-sort-by-total-score' (see `gnus-thread-score-function')."
573 :group 'gnus-summary-sort
574 :type '(repeat (choice (function-item gnus-thread-sort-by-number)
575 (function-item gnus-thread-sort-by-author)
576 (function-item gnus-thread-sort-by-subject)
577 (function-item gnus-thread-sort-by-date)
578 (function-item gnus-thread-sort-by-score)
579 (function-item gnus-thread-sort-by-total-score)
580 (function :tag "other"))))
582 (defcustom gnus-thread-score-function '+
583 "*Function used for calculating the total score of a thread.
585 The function is called with the scores of the article and each
586 subthread and should then return the score of the thread.
588 Some functions you can use are `+', `max', or `min'."
589 :group 'gnus-summary-sort
592 (defcustom gnus-summary-expunge-below nil
593 "All articles that have a score less than this variable will be expunged.
594 This variable is local to the summary buffers."
595 :group 'gnus-score-default
596 :type '(choice (const :tag "off" nil)
599 (defcustom gnus-thread-expunge-below nil
600 "All threads that have a total score less than this variable will be expunged.
601 See `gnus-thread-score-function' for en explanation of what a
604 This variable is local to the summary buffers."
605 :group 'gnus-treading
606 :group 'gnus-score-default
607 :type '(choice (const :tag "off" nil)
610 (defcustom gnus-summary-mode-hook nil
611 "*A hook for Gnus summary mode.
612 This hook is run before any variables are set in the summary buffer."
613 :group 'gnus-summary-various
616 (defcustom gnus-summary-menu-hook nil
617 "*Hook run after the creation of the summary mode menu."
618 :group 'gnus-summary-visual
621 (defcustom gnus-summary-exit-hook nil
622 "*A hook called on exit from the summary buffer.
623 It will be called with point in the group buffer."
624 :group 'gnus-summary-exit
627 (defcustom gnus-summary-prepare-hook nil
628 "*A hook called after the summary buffer has been generated.
629 If you want to modify the summary buffer, you can use this hook."
630 :group 'gnus-summary-various
633 (defcustom gnus-summary-prepared-hook nil
634 "*A hook called as the last thing after the summary buffer has been generated."
635 :group 'gnus-summary-various
638 (defcustom gnus-summary-generate-hook nil
639 "*A hook run just before generating the summary buffer.
640 This hook is commonly used to customize threading variables and the
642 :group 'gnus-summary-various
645 (defcustom gnus-select-group-hook nil
646 "*A hook called when a newsgroup is selected.
648 If you'd like to simplify subjects like the
649 `gnus-summary-next-same-subject' command does, you can use the
652 (setq gnus-select-group-hook
655 (mapcar (lambda (header)
656 (mail-header-set-subject
658 (gnus-simplify-subject
659 (mail-header-subject header) 're-only)))
660 gnus-newsgroup-headers))))"
661 :group 'gnus-group-select
664 (defcustom gnus-select-article-hook nil
665 "*A hook called when an article is selected."
666 :group 'gnus-summary-choose
669 (defcustom gnus-visual-mark-article-hook
670 (list 'gnus-highlight-selected-summary)
671 "*Hook run after selecting an article in the summary buffer.
672 It is meant to be used for highlighting the article in some way. It
673 is not run if `gnus-visual' is nil."
674 :group 'gnus-summary-visual
677 (defcustom gnus-structured-field-decoder
678 #'eword-decode-and-unfold-structured-field
679 "Function to decode non-ASCII characters in structured field for summary."
683 (defcustom gnus-unstructured-field-decoder
686 (eword-decode-unstructured-field-body
687 (std11-unfold-string string) 'must-unfold)
689 "Function to decode non-ASCII characters in unstructured field for summary."
693 (defcustom gnus-parse-headers-hook
694 '(gnus-set-summary-default-charset)
695 "*A hook called before parsing the headers."
699 (defcustom gnus-exit-group-hook nil
700 "*A hook called when exiting (not quitting) summary mode."
704 (defcustom gnus-summary-update-hook
705 (list 'gnus-summary-highlight-line)
706 "*A hook called when a summary line is changed.
707 The hook will not be called if `gnus-visual' is nil.
709 The default function `gnus-summary-highlight-line' will
710 highlight the line according to the `gnus-summary-highlight'
712 :group 'gnus-summary-visual
715 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
716 "*A hook called when an article is selected for the first time.
717 The hook is intended to mark an article as read (or unread)
718 automatically when it is selected."
719 :group 'gnus-summary-choose
722 (defcustom gnus-group-no-more-groups-hook nil
723 "*A hook run when returning to group mode having no more (unread) groups."
724 :group 'gnus-group-select
727 (defcustom gnus-ps-print-hook nil
728 "*A hook run before ps-printing something from Gnus."
732 (defcustom gnus-summary-selected-face 'gnus-summary-selected-face
733 "Face used for highlighting the current article in the summary buffer."
734 :group 'gnus-summary-visual
737 (defcustom gnus-summary-highlight
738 '(((= mark gnus-canceled-mark)
739 . gnus-summary-cancelled-face)
740 ((and (> score default)
741 (or (= mark gnus-dormant-mark)
742 (= mark gnus-ticked-mark)))
743 . gnus-summary-high-ticked-face)
744 ((and (< score default)
745 (or (= mark gnus-dormant-mark)
746 (= mark gnus-ticked-mark)))
747 . gnus-summary-low-ticked-face)
748 ((or (= mark gnus-dormant-mark)
749 (= mark gnus-ticked-mark))
750 . gnus-summary-normal-ticked-face)
751 ((and (> score default) (= mark gnus-ancient-mark))
752 . gnus-summary-high-ancient-face)
753 ((and (< score default) (= mark gnus-ancient-mark))
754 . gnus-summary-low-ancient-face)
755 ((= mark gnus-ancient-mark)
756 . gnus-summary-normal-ancient-face)
757 ((and (> score default) (= mark gnus-unread-mark))
758 . gnus-summary-high-unread-face)
759 ((and (< score default) (= mark gnus-unread-mark))
760 . gnus-summary-low-unread-face)
761 ((= mark gnus-unread-mark)
762 . gnus-summary-normal-unread-face)
763 ((and (> score default) (memq mark (list gnus-downloadable-mark
764 gnus-undownloaded-mark)))
765 . gnus-summary-high-unread-face)
766 ((and (< score default) (memq mark (list gnus-downloadable-mark
767 gnus-undownloaded-mark)))
768 . gnus-summary-low-unread-face)
769 ((memq mark (list gnus-downloadable-mark gnus-undownloaded-mark))
770 . gnus-summary-normal-unread-face)
772 . gnus-summary-high-read-face)
774 . gnus-summary-low-read-face)
776 . gnus-summary-normal-read-face))
777 "*Controls the highlighting of summary buffer lines.
779 A list of (FORM . FACE) pairs. When deciding how a a particular
780 summary line should be displayed, each form is evaluated. The content
781 of the face field after the first true form is used. You can change
782 how those summary lines are displayed, by editing the face field.
784 You can use the following variables in the FORM field.
786 score: The articles score
787 default: The default article score.
788 below: The score below which articles are automatically marked as read.
789 mark: The articles mark."
790 :group 'gnus-summary-visual
791 :type '(repeat (cons (sexp :tag "Form" nil)
794 (defcustom gnus-alter-header-function nil
795 "Function called to allow alteration of article header structures.
796 The function is called with one parameter, the article header vector,
797 which it may alter in any way.")
799 ;;; Internal variables
801 (defvar gnus-scores-exclude-files nil)
802 (defvar gnus-page-broken nil)
804 (defvar gnus-original-article nil)
805 (defvar gnus-article-internal-prepare-hook nil)
806 (defvar gnus-newsgroup-process-stack nil)
808 (defvar gnus-thread-indent-array nil)
809 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
811 ;; Avoid highlighting in kill files.
812 (defvar gnus-summary-inhibit-highlight nil)
813 (defvar gnus-newsgroup-selected-overlay nil)
814 (defvar gnus-inhibit-limiting nil)
815 (defvar gnus-newsgroup-adaptive-score-file nil)
816 (defvar gnus-current-score-file nil)
817 (defvar gnus-current-move-group nil)
818 (defvar gnus-current-copy-group nil)
819 (defvar gnus-current-crosspost-group nil)
821 (defvar gnus-newsgroup-dependencies nil)
822 (defvar gnus-newsgroup-adaptive nil)
823 (defvar gnus-summary-display-article-function nil)
824 (defvar gnus-summary-highlight-line-function nil
825 "Function called after highlighting a summary line.")
827 (defvar gnus-summary-line-format-alist
828 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
829 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
830 (?s gnus-tmp-subject-or-nil ?s)
831 (?n gnus-tmp-name ?s)
832 (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
834 (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
836 (?F gnus-tmp-from ?s)
837 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
838 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
839 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
840 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
841 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
842 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
843 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
844 (?L gnus-tmp-lines ?d)
845 (?I gnus-tmp-indentation ?s)
846 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
847 (?R gnus-tmp-replied ?c)
848 (?\[ gnus-tmp-opening-bracket ?c)
849 (?\] gnus-tmp-closing-bracket ?c)
850 (?\> (make-string gnus-tmp-level ? ) ?s)
851 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
852 (?i gnus-tmp-score ?d)
853 (?z gnus-tmp-score-char ?c)
854 (?l (bbb-grouplens-score gnus-tmp-header) ?s)
855 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
856 (?U gnus-tmp-unread ?c)
857 (?t (gnus-summary-number-of-articles-in-thread
858 (and (boundp 'thread) (car thread)) gnus-tmp-level)
860 (?e (gnus-summary-number-of-articles-in-thread
861 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
863 (?u gnus-tmp-user-defined ?s)
864 (?P (gnus-pick-line-number) ?d))
865 "An alist of format specifications that can appear in summary lines,
866 and what variables they correspond with, along with the type of the
867 variable (string, integer, character, etc).")
869 (defvar gnus-summary-dummy-line-format-alist
870 `((?S gnus-tmp-subject ?s)
871 (?N gnus-tmp-number ?d)
872 (?u gnus-tmp-user-defined ?s)))
874 (defvar gnus-summary-mode-line-format-alist
875 `((?G gnus-tmp-group-name ?s)
876 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
877 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
878 (?A gnus-tmp-article-number ?d)
879 (?Z gnus-tmp-unread-and-unselected ?s)
881 (?U gnus-tmp-unread-and-unticked ?d)
882 (?S gnus-tmp-subject ?s)
883 (?e gnus-tmp-unselected ?d)
884 (?u gnus-tmp-user-defined ?s)
885 (?d (length gnus-newsgroup-dormant) ?d)
886 (?t (length gnus-newsgroup-marked) ?d)
887 (?r (length gnus-newsgroup-reads) ?d)
888 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
889 (?E gnus-newsgroup-expunged-tally ?d)
890 (?s (gnus-current-score-file-nondirectory) ?s)))
892 (defvar gnus-last-search-regexp nil
893 "Default regexp for article search command.")
895 (defvar gnus-last-shell-command nil
896 "Default shell command on article.")
898 (defvar gnus-newsgroup-begin nil)
899 (defvar gnus-newsgroup-end nil)
900 (defvar gnus-newsgroup-last-rmail nil)
901 (defvar gnus-newsgroup-last-mail nil)
902 (defvar gnus-newsgroup-last-folder nil)
903 (defvar gnus-newsgroup-last-file nil)
904 (defvar gnus-newsgroup-auto-expire nil)
905 (defvar gnus-newsgroup-active nil)
907 (defvar gnus-newsgroup-data nil)
908 (defvar gnus-newsgroup-data-reverse nil)
909 (defvar gnus-newsgroup-limit nil)
910 (defvar gnus-newsgroup-limits nil)
912 (defvar gnus-newsgroup-unreads nil
913 "List of unread articles in the current newsgroup.")
915 (defvar gnus-newsgroup-unselected nil
916 "List of unselected unread articles in the current newsgroup.")
918 (defvar gnus-newsgroup-reads nil
919 "Alist of read articles and article marks in the current newsgroup.")
921 (defvar gnus-newsgroup-expunged-tally nil)
923 (defvar gnus-newsgroup-marked nil
924 "List of ticked articles in the current newsgroup (a subset of unread art).")
926 (defvar gnus-newsgroup-killed nil
927 "List of ranges of articles that have been through the scoring process.")
929 (defvar gnus-newsgroup-cached nil
930 "List of articles that come from the article cache.")
932 (defvar gnus-newsgroup-saved nil
933 "List of articles that have been saved.")
935 (defvar gnus-newsgroup-kill-headers nil)
937 (defvar gnus-newsgroup-replied nil
938 "List of articles that have been replied to in the current newsgroup.")
940 (defvar gnus-newsgroup-expirable nil
941 "List of articles in the current newsgroup that can be expired.")
943 (defvar gnus-newsgroup-processable nil
944 "List of articles in the current newsgroup that can be processed.")
946 (defvar gnus-newsgroup-downloadable nil
947 "List of articles in the current newsgroup that can be processed.")
949 (defvar gnus-newsgroup-undownloaded nil
950 "List of articles in the current newsgroup that haven't been downloaded..")
952 (defvar gnus-newsgroup-unsendable nil
953 "List of articles in the current newsgroup that won't be sent.")
955 (defvar gnus-newsgroup-bookmarks nil
956 "List of articles in the current newsgroup that have bookmarks.")
958 (defvar gnus-newsgroup-dormant nil
959 "List of dormant articles in the current newsgroup.")
961 (defvar gnus-newsgroup-scored nil
962 "List of scored articles in the current newsgroup.")
964 (defvar gnus-newsgroup-headers nil
965 "List of article headers in the current newsgroup.")
967 (defvar gnus-newsgroup-threads nil)
969 (defvar gnus-newsgroup-prepared nil
970 "Whether the current group has been prepared properly.")
972 (defvar gnus-newsgroup-ancient nil
973 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
975 (defvar gnus-newsgroup-sparse nil)
977 (defvar gnus-current-article nil)
978 (defvar gnus-article-current nil)
979 (defvar gnus-current-headers nil)
980 (defvar gnus-have-all-headers nil)
981 (defvar gnus-last-article nil)
982 (defvar gnus-newsgroup-history nil)
984 (defconst gnus-summary-local-variables
985 '(gnus-newsgroup-name
986 gnus-newsgroup-begin gnus-newsgroup-end
987 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
988 gnus-newsgroup-last-folder gnus-newsgroup-last-file
989 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
990 gnus-newsgroup-unselected gnus-newsgroup-marked
991 gnus-newsgroup-reads gnus-newsgroup-saved
992 gnus-newsgroup-replied gnus-newsgroup-expirable
993 gnus-newsgroup-processable gnus-newsgroup-killed
994 gnus-newsgroup-downloadable gnus-newsgroup-undownloaded
995 gnus-newsgroup-unsendable
996 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
997 gnus-newsgroup-headers gnus-newsgroup-threads
998 gnus-newsgroup-prepared gnus-summary-highlight-line-function
999 gnus-current-article gnus-current-headers gnus-have-all-headers
1000 gnus-last-article gnus-article-internal-prepare-hook
1001 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1002 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1003 gnus-thread-expunge-below
1004 gnus-score-alist gnus-current-score-file gnus-summary-expunge-below
1005 (gnus-summary-mark-below . global)
1006 gnus-newsgroup-active gnus-scores-exclude-files
1007 gnus-newsgroup-history gnus-newsgroup-ancient
1008 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1009 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1010 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1011 (gnus-newsgroup-expunged-tally . 0)
1012 gnus-cache-removable-articles gnus-newsgroup-cached
1013 gnus-newsgroup-data gnus-newsgroup-data-reverse
1014 gnus-newsgroup-limit gnus-newsgroup-limits)
1015 "Variables that are buffer-local to the summary buffers.")
1017 ;; Byte-compiler warning.
1018 (defvar gnus-article-mode-map)
1022 (defvar gnus-encoded-word-method-alist
1023 '(("chinese" mail-decode-encoded-word-string rfc1843-decode-string)
1024 (".*" mail-decode-encoded-word-string))
1025 "Alist of regexps (to match group names) and lists of functions to be applied.")
1027 (defun gnus-multi-decode-encoded-word-string (string)
1028 "Apply the functions from `gnus-encoded-word-method-alist' that match."
1029 (let ((alist gnus-encoded-word-method-alist)
1031 (while (setq elem (pop alist))
1032 (when (string-match (car elem) gnus-newsgroup-name)
1035 (setq string (funcall (pop elem) string)))
1039 ;; Subject simplification.
1041 (defun gnus-simplify-whitespace (str)
1042 "Remove excessive whitespace."
1045 (while (string-match "[ \t][ \t]+" mystr)
1046 (setq mystr (concat (substring mystr 0 (match-beginning 0))
1048 (substring mystr (match-end 0)))))
1050 (when (string-match "^[ \t]+" mystr)
1051 (setq mystr (substring mystr (match-end 0))))
1053 (when (string-match "[ \t]+$" mystr)
1054 (setq mystr (substring mystr 0 (match-beginning 0))))
1057 (defsubst gnus-simplify-subject-re (subject)
1058 "Remove \"Re:\" from subject lines."
1059 (if (string-match "^[Rr][Ee]: *" subject)
1060 (substring subject (match-end 0))
1063 (defun gnus-simplify-subject (subject &optional re-only)
1064 "Remove `Re:' and words in parentheses.
1065 If RE-ONLY is non-nil, strip leading `Re:'s only."
1066 (let ((case-fold-search t)) ;Ignore case.
1067 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1068 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1069 (setq subject (substring subject (match-end 0))))
1070 ;; Remove uninteresting prefixes.
1071 (when (and (not re-only)
1072 gnus-simplify-ignored-prefixes
1073 (string-match gnus-simplify-ignored-prefixes subject))
1074 (setq subject (substring subject (match-end 0))))
1075 ;; Remove words in parentheses from end.
1077 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1078 (setq subject (substring subject 0 (match-beginning 0)))))
1079 ;; Return subject string.
1082 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1084 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1085 (goto-char (point-min))
1086 (while (re-search-forward regexp nil t)
1087 (replace-match (or newtext ""))))
1089 (defun gnus-simplify-buffer-fuzzy ()
1090 "Simplify string in the buffer fuzzily.
1091 The string in the accessible portion of the current buffer is simplified.
1092 It is assumed to be a single-line subject.
1093 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1094 matter is removed. Additional things can be deleted by setting
1095 gnus-simplify-subject-fuzzy-regexp."
1096 (let ((case-fold-search t)
1098 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1100 (while (not (eq modified-tick (buffer-modified-tick)))
1101 (setq modified-tick (buffer-modified-tick))
1103 ((listp gnus-simplify-subject-fuzzy-regexp)
1104 (mapcar 'gnus-simplify-buffer-fuzzy-step
1105 gnus-simplify-subject-fuzzy-regexp))
1106 (gnus-simplify-subject-fuzzy-regexp
1107 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1108 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1109 (gnus-simplify-buffer-fuzzy-step
1110 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1111 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1113 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1114 (gnus-simplify-buffer-fuzzy-step " +" " ")
1115 (gnus-simplify-buffer-fuzzy-step " $")
1116 (gnus-simplify-buffer-fuzzy-step "^ +")))
1118 (defun gnus-simplify-subject-fuzzy (subject)
1119 "Simplify a subject string fuzzily.
1120 See `gnus-simplify-buffer-fuzzy' for details."
1122 (gnus-set-work-buffer)
1123 (let ((case-fold-search t))
1124 ;; Remove uninteresting prefixes.
1125 (when (and gnus-simplify-ignored-prefixes
1126 (string-match gnus-simplify-ignored-prefixes subject))
1127 (setq subject (substring subject (match-end 0))))
1129 (inline (gnus-simplify-buffer-fuzzy))
1132 (defsubst gnus-simplify-subject-fully (subject)
1133 "Simplify a subject string according to gnus-summary-gather-subject-limit."
1135 (gnus-simplify-subject-functions
1136 (gnus-map-function gnus-simplify-subject-functions subject))
1137 ((null gnus-summary-gather-subject-limit)
1138 (gnus-simplify-subject-re subject))
1139 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1140 (gnus-simplify-subject-fuzzy subject))
1141 ((numberp gnus-summary-gather-subject-limit)
1142 (gnus-limit-string (gnus-simplify-subject-re subject)
1143 gnus-summary-gather-subject-limit))
1147 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1148 "Check whether two subjects are equal.
1149 If optional argument simple-first is t, first argument is already
1152 ((null simple-first)
1153 (equal (gnus-simplify-subject-fully s1)
1154 (gnus-simplify-subject-fully s2)))
1157 (gnus-simplify-subject-fully s2)))))
1159 (defun gnus-summary-bubble-group ()
1160 "Increase the score of the current group.
1161 This is a handy function to add to `gnus-summary-exit-hook' to
1162 increase the score of each group you read."
1163 (gnus-group-add-score gnus-newsgroup-name))
1167 ;;; Gnus summary mode
1170 (put 'gnus-summary-mode 'mode-class 'special)
1173 ;; Non-orthogonal keys
1175 (gnus-define-keys gnus-summary-mode-map
1176 " " gnus-summary-next-page
1177 "\177" gnus-summary-prev-page
1178 [delete] gnus-summary-prev-page
1179 [backspace] gnus-summary-prev-page
1180 "\r" gnus-summary-scroll-up
1181 "\M-\r" gnus-summary-scroll-down
1182 "n" gnus-summary-next-unread-article
1183 "p" gnus-summary-prev-unread-article
1184 "N" gnus-summary-next-article
1185 "P" gnus-summary-prev-article
1186 "\M-\C-n" gnus-summary-next-same-subject
1187 "\M-\C-p" gnus-summary-prev-same-subject
1188 "\M-n" gnus-summary-next-unread-subject
1189 "\M-p" gnus-summary-prev-unread-subject
1190 "." gnus-summary-first-unread-article
1191 "," gnus-summary-best-unread-article
1192 "\M-s" gnus-summary-search-article-forward
1193 "\M-r" gnus-summary-search-article-backward
1194 "<" gnus-summary-beginning-of-article
1195 ">" gnus-summary-end-of-article
1196 "j" gnus-summary-goto-article
1197 "^" gnus-summary-refer-parent-article
1198 "\M-^" gnus-summary-refer-article
1199 "u" gnus-summary-tick-article-forward
1200 "!" gnus-summary-tick-article-forward
1201 "U" gnus-summary-tick-article-backward
1202 "d" gnus-summary-mark-as-read-forward
1203 "D" gnus-summary-mark-as-read-backward
1204 "E" gnus-summary-mark-as-expirable
1205 "\M-u" gnus-summary-clear-mark-forward
1206 "\M-U" gnus-summary-clear-mark-backward
1207 "k" gnus-summary-kill-same-subject-and-select
1208 "\C-k" gnus-summary-kill-same-subject
1209 "\M-\C-k" gnus-summary-kill-thread
1210 "\M-\C-l" gnus-summary-lower-thread
1211 "e" gnus-summary-edit-article
1212 "#" gnus-summary-mark-as-processable
1213 "\M-#" gnus-summary-unmark-as-processable
1214 "\M-\C-t" gnus-summary-toggle-threads
1215 "\M-\C-s" gnus-summary-show-thread
1216 "\M-\C-h" gnus-summary-hide-thread
1217 "\M-\C-f" gnus-summary-next-thread
1218 "\M-\C-b" gnus-summary-prev-thread
1219 "\M-\C-u" gnus-summary-up-thread
1220 "\M-\C-d" gnus-summary-down-thread
1221 "&" gnus-summary-execute-command
1222 "c" gnus-summary-catchup-and-exit
1223 "\C-w" gnus-summary-mark-region-as-read
1224 "\C-t" gnus-summary-toggle-truncation
1225 "?" gnus-summary-mark-as-dormant
1226 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1227 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1228 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1229 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1230 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1231 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1232 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1233 "=" gnus-summary-expand-window
1234 "\C-x\C-s" gnus-summary-reselect-current-group
1235 "\M-g" gnus-summary-rescan-group
1236 "w" gnus-summary-stop-page-breaking
1237 "\C-c\C-r" gnus-summary-caesar-message
1238 "\M-t" gnus-summary-toggle-mime
1239 "f" gnus-summary-followup
1240 "F" gnus-summary-followup-with-original
1241 "C" gnus-summary-cancel-article
1242 "r" gnus-summary-reply
1243 "R" gnus-summary-reply-with-original
1244 "\C-c\C-f" gnus-summary-mail-forward
1245 "o" gnus-summary-save-article
1246 "\C-o" gnus-summary-save-article-mail
1247 "|" gnus-summary-pipe-output
1248 "\M-k" gnus-summary-edit-local-kill
1249 "\M-K" gnus-summary-edit-global-kill
1251 "\C-c\C-d" gnus-summary-describe-group
1252 "q" gnus-summary-exit
1253 "Q" gnus-summary-exit-no-update
1254 "\C-c\C-i" gnus-info-find-node
1255 gnus-mouse-2 gnus-mouse-pick-article
1256 "m" gnus-summary-mail-other-window
1257 "a" gnus-summary-post-news
1258 "x" gnus-summary-limit-to-unread
1259 "s" gnus-summary-isearch-article
1260 "t" gnus-article-hide-headers
1261 "g" gnus-summary-show-article
1262 "l" gnus-summary-goto-last-article
1263 "v" gnus-summary-preview-mime-message
1264 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1265 "\C-d" gnus-summary-enter-digest-group
1266 "\M-\C-d" gnus-summary-read-document
1267 "\M-\C-e" gnus-summary-edit-parameters
1269 "*" gnus-cache-enter-article
1270 "\M-*" gnus-cache-remove-article
1271 "\M-&" gnus-summary-universal-argument
1272 "\C-l" gnus-recenter
1273 "I" gnus-summary-increase-score
1274 "L" gnus-summary-lower-score
1275 "\M-i" gnus-symbolic-argument
1276 "h" gnus-summary-select-article-buffer
1277 "b" gnus-article-view-part
1279 "V" gnus-summary-score-map
1280 "X" gnus-uu-extract-map
1281 "S" gnus-summary-send-map)
1283 ;; Sort of orthogonal keymap
1284 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1285 "t" gnus-summary-tick-article-forward
1286 "!" gnus-summary-tick-article-forward
1287 "d" gnus-summary-mark-as-read-forward
1288 "r" gnus-summary-mark-as-read-forward
1289 "c" gnus-summary-clear-mark-forward
1290 " " gnus-summary-clear-mark-forward
1291 "e" gnus-summary-mark-as-expirable
1292 "x" gnus-summary-mark-as-expirable
1293 "?" gnus-summary-mark-as-dormant
1294 "b" gnus-summary-set-bookmark
1295 "B" gnus-summary-remove-bookmark
1296 "#" gnus-summary-mark-as-processable
1297 "\M-#" gnus-summary-unmark-as-processable
1298 "S" gnus-summary-limit-include-expunged
1299 "C" gnus-summary-catchup
1300 "H" gnus-summary-catchup-to-here
1301 "\C-c" gnus-summary-catchup-all
1302 "k" gnus-summary-kill-same-subject-and-select
1303 "K" gnus-summary-kill-same-subject
1304 "P" gnus-uu-mark-map)
1306 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1307 "c" gnus-summary-clear-above
1308 "u" gnus-summary-tick-above
1309 "m" gnus-summary-mark-above
1310 "k" gnus-summary-kill-below)
1312 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1313 "/" gnus-summary-limit-to-subject
1314 "n" gnus-summary-limit-to-articles
1315 "w" gnus-summary-pop-limit
1316 "s" gnus-summary-limit-to-subject
1317 "a" gnus-summary-limit-to-author
1318 "u" gnus-summary-limit-to-unread
1319 "m" gnus-summary-limit-to-marks
1320 "v" gnus-summary-limit-to-score
1321 "*" gnus-summary-limit-include-cached
1322 "D" gnus-summary-limit-include-dormant
1323 "T" gnus-summary-limit-include-thread
1324 "d" gnus-summary-limit-exclude-dormant
1325 "t" gnus-summary-limit-to-age
1326 "E" gnus-summary-limit-include-expunged
1327 "c" gnus-summary-limit-exclude-childless-dormant
1328 "C" gnus-summary-limit-mark-excluded-as-read)
1330 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1331 "n" gnus-summary-next-unread-article
1332 "p" gnus-summary-prev-unread-article
1333 "N" gnus-summary-next-article
1334 "P" gnus-summary-prev-article
1335 "\C-n" gnus-summary-next-same-subject
1336 "\C-p" gnus-summary-prev-same-subject
1337 "\M-n" gnus-summary-next-unread-subject
1338 "\M-p" gnus-summary-prev-unread-subject
1339 "f" gnus-summary-first-unread-article
1340 "b" gnus-summary-best-unread-article
1341 "j" gnus-summary-goto-article
1342 "g" gnus-summary-goto-subject
1343 "l" gnus-summary-goto-last-article
1344 "o" gnus-summary-pop-article)
1346 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1347 "k" gnus-summary-kill-thread
1348 "l" gnus-summary-lower-thread
1349 "i" gnus-summary-raise-thread
1350 "T" gnus-summary-toggle-threads
1351 "t" gnus-summary-rethread-current
1352 "^" gnus-summary-reparent-thread
1353 "s" gnus-summary-show-thread
1354 "S" gnus-summary-show-all-threads
1355 "h" gnus-summary-hide-thread
1356 "H" gnus-summary-hide-all-threads
1357 "n" gnus-summary-next-thread
1358 "p" gnus-summary-prev-thread
1359 "u" gnus-summary-up-thread
1360 "o" gnus-summary-top-thread
1361 "d" gnus-summary-down-thread
1362 "#" gnus-uu-mark-thread
1363 "\M-#" gnus-uu-unmark-thread)
1365 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1366 "g" gnus-summary-prepare
1367 "c" gnus-summary-insert-cached-articles)
1369 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1370 "c" gnus-summary-catchup-and-exit
1371 "C" gnus-summary-catchup-all-and-exit
1372 "E" gnus-summary-exit-no-update
1373 "Q" gnus-summary-exit
1374 "Z" gnus-summary-exit
1375 "n" gnus-summary-catchup-and-goto-next-group
1376 "R" gnus-summary-reselect-current-group
1377 "G" gnus-summary-rescan-group
1378 "N" gnus-summary-next-group
1379 "s" gnus-summary-save-newsrc
1380 "P" gnus-summary-prev-group)
1382 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1383 " " gnus-summary-next-page
1384 "n" gnus-summary-next-page
1385 "\177" gnus-summary-prev-page
1386 [delete] gnus-summary-prev-page
1387 "p" gnus-summary-prev-page
1388 "\r" gnus-summary-scroll-up
1389 "\M-\r" gnus-summary-scroll-down
1390 "<" gnus-summary-beginning-of-article
1391 ">" gnus-summary-end-of-article
1392 "b" gnus-summary-beginning-of-article
1393 "e" gnus-summary-end-of-article
1394 "^" gnus-summary-refer-parent-article
1395 "r" gnus-summary-refer-parent-article
1396 "R" gnus-summary-refer-references
1397 "T" gnus-summary-refer-thread
1398 "g" gnus-summary-show-article
1399 "s" gnus-summary-isearch-article
1400 "P" gnus-summary-print-article)
1402 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1403 "b" gnus-article-add-buttons
1404 "B" gnus-article-add-buttons-to-head
1405 "o" gnus-article-treat-overstrike
1406 "e" gnus-article-emphasize
1407 "w" gnus-article-fill-cited-article
1408 "c" gnus-article-remove-cr
1409 "f" gnus-article-display-x-face
1410 "l" gnus-summary-stop-page-breaking
1411 "r" gnus-summary-caesar-message
1412 "t" gnus-article-hide-headers
1413 "v" gnus-summary-verbose-headers
1414 "m" gnus-summary-toggle-mime
1415 "h" gnus-article-treat-html
1416 "d" gnus-article-treat-dumbquotes)
1418 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1419 "a" gnus-article-hide
1420 "h" gnus-article-hide-headers
1421 "b" gnus-article-hide-boring-headers
1422 "s" gnus-article-hide-signature
1423 "c" gnus-article-hide-citation
1424 "C" gnus-article-hide-citation-in-followups
1425 "p" gnus-article-hide-pgp
1426 "P" gnus-article-hide-pem
1427 "\C-c" gnus-article-hide-citation-maybe)
1429 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
1430 "a" gnus-article-highlight
1431 "h" gnus-article-highlight-headers
1432 "c" gnus-article-highlight-citation
1433 "s" gnus-article-highlight-signature)
1435 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
1436 "z" gnus-article-date-ut
1437 "u" gnus-article-date-ut
1438 "l" gnus-article-date-local
1439 "e" gnus-article-date-lapsed
1440 "o" gnus-article-date-original
1441 "i" gnus-article-date-iso8601
1442 "s" gnus-article-date-user)
1444 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
1445 "t" gnus-article-remove-trailing-blank-lines
1446 "l" gnus-article-strip-leading-blank-lines
1447 "m" gnus-article-strip-multiple-blank-lines
1448 "a" gnus-article-strip-blank-lines
1449 "A" gnus-article-strip-all-blank-lines
1450 "s" gnus-article-strip-leading-space)
1452 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
1454 "f" gnus-summary-fetch-faq
1455 "d" gnus-summary-describe-group
1456 "h" gnus-summary-describe-briefly
1457 "i" gnus-info-find-node)
1459 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
1460 "e" gnus-summary-expire-articles
1461 "\M-\C-e" gnus-summary-expire-articles-now
1462 "\177" gnus-summary-delete-article
1463 [delete] gnus-summary-delete-article
1464 "m" gnus-summary-move-article
1465 "r" gnus-summary-respool-article
1466 "w" gnus-summary-edit-article
1467 "c" gnus-summary-copy-article
1468 "B" gnus-summary-crosspost-article
1469 "q" gnus-summary-respool-query
1470 "t" gnus-summary-respool-trace
1471 "i" gnus-summary-import-article
1472 "p" gnus-summary-article-posted-p)
1474 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
1475 "o" gnus-summary-save-article
1476 "m" gnus-summary-save-article-mail
1477 "F" gnus-summary-write-article-file
1478 "r" gnus-summary-save-article-rmail
1479 "f" gnus-summary-save-article-file
1480 "b" gnus-summary-save-article-body-file
1481 "h" gnus-summary-save-article-folder
1482 "v" gnus-summary-save-article-vm
1483 "p" gnus-summary-pipe-output
1484 "s" gnus-soup-add-article))
1486 (defun gnus-summary-make-menu-bar ()
1487 (gnus-turn-off-edit-menu 'summary)
1489 (unless (boundp 'gnus-summary-misc-menu)
1492 gnus-summary-kill-menu gnus-summary-mode-map ""
1497 ["Enter score..." gnus-summary-score-entry t]
1498 ["Customize" gnus-score-customize t])
1499 (gnus-make-score-map 'increase)
1500 (gnus-make-score-map 'lower)
1502 ["Kill below" gnus-summary-kill-below t]
1503 ["Mark above" gnus-summary-mark-above t]
1504 ["Tick above" gnus-summary-tick-above t]
1505 ["Clear above" gnus-summary-clear-above t])
1506 ["Current score" gnus-summary-current-score t]
1507 ["Set score" gnus-summary-set-score t]
1508 ["Switch current score file..." gnus-score-change-score-file t]
1509 ["Set mark below..." gnus-score-set-mark-below t]
1510 ["Set expunge below..." gnus-score-set-expunge-below t]
1511 ["Edit current score file" gnus-score-edit-current-scores t]
1512 ["Edit score file" gnus-score-edit-file t]
1513 ["Trace score" gnus-score-find-trace t]
1514 ["Find words" gnus-score-find-favourite-words t]
1515 ["Rescore buffer" gnus-summary-rescore t]
1516 ["Increase score..." gnus-summary-increase-score t]
1517 ["Lower score..." gnus-summary-lower-score t]))))
1519 ;; Define both the Article menu in the summary buffer and the equivalent
1520 ;; Commands menu in the article buffer here for consistency.
1523 ["All" gnus-article-hide t]
1524 ["Headers" gnus-article-hide-headers t]
1525 ["Signature" gnus-article-hide-signature t]
1526 ["Citation" gnus-article-hide-citation t]
1527 ["PGP" gnus-article-hide-pgp t]
1528 ["Boring headers" gnus-article-hide-boring-headers t])
1530 ["All" gnus-article-highlight t]
1531 ["Headers" gnus-article-highlight-headers t]
1532 ["Signature" gnus-article-highlight-signature t]
1533 ["Citation" gnus-article-highlight-citation t])
1535 ["Local" gnus-article-date-local t]
1536 ["ISO8601" gnus-article-date-iso8601 t]
1537 ["UT" gnus-article-date-ut t]
1538 ["Original" gnus-article-date-original t]
1539 ["Lapsed" gnus-article-date-lapsed t]
1540 ["User-defined" gnus-article-date-user t])
1543 ["Leading" gnus-article-strip-leading-blank-lines t]
1544 ["Multiple" gnus-article-strip-multiple-blank-lines t]
1545 ["Trailing" gnus-article-remove-trailing-blank-lines t]
1546 ["All of the above" gnus-article-strip-blank-lines t]
1547 ["All" gnus-article-strip-all-blank-lines t]
1548 ["Leading space" gnus-article-strip-leading-space t])
1549 ["Overstrike" gnus-article-treat-overstrike t]
1550 ["Dumb quotes" gnus-article-treat-dumbquotes t]
1551 ["Emphasis" gnus-article-emphasize t]
1552 ["Word wrap" gnus-article-fill-cited-article t]
1553 ["CR" gnus-article-remove-cr t]
1554 ["Show X-Face" gnus-article-display-x-face t]
1555 ["UnHTMLize" gnus-article-treat-html t]
1556 ["Rot 13" gnus-summary-caesar-message t]
1557 ["Unix pipe" gnus-summary-pipe-message t]
1558 ["Add buttons" gnus-article-add-buttons t]
1559 ["Add buttons to head" gnus-article-add-buttons-to-head t]
1560 ["Stop page breaking" gnus-summary-stop-page-breaking t]
1561 ["Toggle MIME" gnus-summary-toggle-mime t]
1562 ["Verbose header" gnus-summary-verbose-headers t]
1563 ["Toggle header" gnus-summary-toggle-header t])
1565 ["Save in default format" gnus-summary-save-article t]
1566 ["Save in file" gnus-summary-save-article-file t]
1567 ["Save in Unix mail format" gnus-summary-save-article-mail t]
1568 ["Save in MH folder" gnus-summary-save-article-folder t]
1569 ["Save in VM folder" gnus-summary-save-article-vm t]
1570 ["Save in RMAIL mbox" gnus-summary-save-article-rmail t]
1571 ["Save body in file" gnus-summary-save-article-body-file t]
1572 ["Pipe through a filter" gnus-summary-pipe-output t]
1573 ["Add to SOUP packet" gnus-soup-add-article t]
1574 ["Print" gnus-summary-print-article t])
1576 ["Respool article..." gnus-summary-respool-article t]
1577 ["Move article..." gnus-summary-move-article
1578 (gnus-check-backend-function
1579 'request-move-article gnus-newsgroup-name)]
1580 ["Copy article..." gnus-summary-copy-article t]
1581 ["Crosspost article..." gnus-summary-crosspost-article
1582 (gnus-check-backend-function
1583 'request-replace-article gnus-newsgroup-name)]
1584 ["Import file..." gnus-summary-import-article t]
1585 ["Check if posted" gnus-summary-article-posted-p t]
1586 ["Edit article" gnus-summary-edit-article
1587 (not (gnus-group-read-only-p))]
1588 ["Delete article" gnus-summary-delete-article
1589 (gnus-check-backend-function
1590 'request-expire-articles gnus-newsgroup-name)]
1591 ["Query respool" gnus-summary-respool-query t]
1592 ["Trace respool" gnus-summary-respool-trace t]
1593 ["Delete expirable articles" gnus-summary-expire-articles-now
1594 (gnus-check-backend-function
1595 'request-expire-articles gnus-newsgroup-name)])
1597 ["Uudecode" gnus-uu-decode-uu t]
1598 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
1599 ["Unshar" gnus-uu-decode-unshar t]
1600 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
1601 ["Save" gnus-uu-decode-save t]
1602 ["Binhex" gnus-uu-decode-binhex t]
1603 ["Postscript" gnus-uu-decode-postscript t])
1605 ["Enter article" gnus-cache-enter-article t]
1606 ["Remove article" gnus-cache-remove-article t])
1607 ["Select article buffer" gnus-summary-select-article-buffer t]
1608 ["Enter digest buffer" gnus-summary-enter-digest-group t]
1609 ["Isearch article..." gnus-summary-isearch-article t]
1610 ["Beginning of the article" gnus-summary-beginning-of-article t]
1611 ["End of the article" gnus-summary-end-of-article t]
1612 ["Fetch parent of article" gnus-summary-refer-parent-article t]
1613 ["Fetch referenced articles" gnus-summary-refer-references t]
1614 ["Fetch current thread" gnus-summary-refer-thread t]
1615 ["Fetch article with id..." gnus-summary-refer-article t]
1616 ["Redisplay" gnus-summary-show-article t])))
1618 gnus-summary-article-menu gnus-summary-mode-map ""
1619 (cons "Article" innards))
1622 gnus-article-commands-menu gnus-article-mode-map ""
1623 (cons "Commands" innards)))
1626 gnus-summary-thread-menu gnus-summary-mode-map ""
1628 ["Toggle threading" gnus-summary-toggle-threads t]
1629 ["Hide threads" gnus-summary-hide-all-threads t]
1630 ["Show threads" gnus-summary-show-all-threads t]
1631 ["Hide thread" gnus-summary-hide-thread t]
1632 ["Show thread" gnus-summary-show-thread t]
1633 ["Go to next thread" gnus-summary-next-thread t]
1634 ["Go to previous thread" gnus-summary-prev-thread t]
1635 ["Go down thread" gnus-summary-down-thread t]
1636 ["Go up thread" gnus-summary-up-thread t]
1637 ["Top of thread" gnus-summary-top-thread t]
1638 ["Mark thread as read" gnus-summary-kill-thread t]
1639 ["Lower thread score" gnus-summary-lower-thread t]
1640 ["Raise thread score" gnus-summary-raise-thread t]
1641 ["Rethread current" gnus-summary-rethread-current t]
1645 gnus-summary-post-menu gnus-summary-mode-map ""
1647 ["Post an article" gnus-summary-post-news t]
1648 ["Followup" gnus-summary-followup t]
1649 ["Followup and yank" gnus-summary-followup-with-original t]
1650 ["Supersede article" gnus-summary-supersede-article t]
1651 ["Cancel article" gnus-summary-cancel-article t]
1652 ["Reply" gnus-summary-reply t]
1653 ["Reply and yank" gnus-summary-reply-with-original t]
1654 ["Wide reply" gnus-summary-wide-reply t]
1655 ["Wide reply and yank" gnus-summary-wide-reply-with-original t]
1656 ["Mail forward" gnus-summary-mail-forward t]
1657 ["Post forward" gnus-summary-post-forward t]
1658 ["Digest and mail" gnus-summary-mail-digest t]
1659 ["Digest and post" gnus-summary-post-digest t]
1660 ["Resend message" gnus-summary-resend-message t]
1661 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
1662 ["Send a mail" gnus-summary-mail-other-window t]
1663 ["Uuencode and post" gnus-uu-post-news t]
1664 ["Followup via news" gnus-summary-followup-to-mail t]
1665 ["Followup via news and yank"
1666 gnus-summary-followup-to-mail-with-original t]
1668 ;;["Send" gnus-summary-send-draft t]
1669 ;;["Send bounced" gnus-resend-bounced-mail t])
1673 gnus-summary-misc-menu gnus-summary-mode-map ""
1676 ["Mark as read" gnus-summary-mark-as-read-forward t]
1677 ["Mark same subject and select"
1678 gnus-summary-kill-same-subject-and-select t]
1679 ["Mark same subject" gnus-summary-kill-same-subject t]
1680 ["Catchup" gnus-summary-catchup t]
1681 ["Catchup all" gnus-summary-catchup-all t]
1682 ["Catchup to here" gnus-summary-catchup-to-here t]
1683 ["Catchup region" gnus-summary-mark-region-as-read t]
1684 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
1686 ["Tick" gnus-summary-tick-article-forward t]
1687 ["Mark as dormant" gnus-summary-mark-as-dormant t]
1688 ["Remove marks" gnus-summary-clear-mark-forward t]
1689 ["Set expirable mark" gnus-summary-mark-as-expirable t]
1690 ["Set bookmark" gnus-summary-set-bookmark t]
1691 ["Remove bookmark" gnus-summary-remove-bookmark t])
1693 ["Marks..." gnus-summary-limit-to-marks t]
1694 ["Subject..." gnus-summary-limit-to-subject t]
1695 ["Author..." gnus-summary-limit-to-author t]
1696 ["Age..." gnus-summary-limit-to-age t]
1697 ["Score" gnus-summary-limit-to-score t]
1698 ["Unread" gnus-summary-limit-to-unread t]
1699 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
1700 ["Articles" gnus-summary-limit-to-articles t]
1701 ["Pop limit" gnus-summary-pop-limit t]
1702 ["Show dormant" gnus-summary-limit-include-dormant t]
1703 ["Hide childless dormant"
1704 gnus-summary-limit-exclude-childless-dormant t]
1705 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
1706 ["Show expunged" gnus-summary-show-all-expunged t])
1708 ["Set mark" gnus-summary-mark-as-processable t]
1709 ["Remove mark" gnus-summary-unmark-as-processable t]
1710 ["Remove all marks" gnus-summary-unmark-all-processable t]
1711 ["Mark above" gnus-uu-mark-over t]
1712 ["Mark series" gnus-uu-mark-series t]
1713 ["Mark region" gnus-uu-mark-region t]
1714 ["Unmark region" gnus-uu-unmark-region t]
1715 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
1716 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
1717 ["Mark all" gnus-uu-mark-all t]
1718 ["Mark buffer" gnus-uu-mark-buffer t]
1719 ["Mark sparse" gnus-uu-mark-sparse t]
1720 ["Mark thread" gnus-uu-mark-thread t]
1721 ["Unmark thread" gnus-uu-unmark-thread t]
1722 ("Process Mark Sets"
1723 ["Kill" gnus-summary-kill-process-mark t]
1724 ["Yank" gnus-summary-yank-process-mark
1725 gnus-newsgroup-process-stack]
1726 ["Save" gnus-summary-save-process-mark t]))
1728 ["Page forward" gnus-summary-next-page t]
1729 ["Page backward" gnus-summary-prev-page t]
1730 ["Line forward" gnus-summary-scroll-up t])
1732 ["Next unread article" gnus-summary-next-unread-article t]
1733 ["Previous unread article" gnus-summary-prev-unread-article t]
1734 ["Next article" gnus-summary-next-article t]
1735 ["Previous article" gnus-summary-prev-article t]
1736 ["Next unread subject" gnus-summary-next-unread-subject t]
1737 ["Previous unread subject" gnus-summary-prev-unread-subject t]
1738 ["Next article same subject" gnus-summary-next-same-subject t]
1739 ["Previous article same subject" gnus-summary-prev-same-subject t]
1740 ["First unread article" gnus-summary-first-unread-article t]
1741 ["Best unread article" gnus-summary-best-unread-article t]
1742 ["Go to subject number..." gnus-summary-goto-subject t]
1743 ["Go to article number..." gnus-summary-goto-article t]
1744 ["Go to the last article" gnus-summary-goto-last-article t]
1745 ["Pop article off history" gnus-summary-pop-article t])
1747 ["Sort by number" gnus-summary-sort-by-number t]
1748 ["Sort by author" gnus-summary-sort-by-author t]
1749 ["Sort by subject" gnus-summary-sort-by-subject t]
1750 ["Sort by date" gnus-summary-sort-by-date t]
1751 ["Sort by score" gnus-summary-sort-by-score t]
1752 ["Sort by lines" gnus-summary-sort-by-lines t])
1754 ["Fetch group FAQ" gnus-summary-fetch-faq t]
1755 ["Describe group" gnus-summary-describe-group t]
1756 ["Read manual" gnus-info-find-node t])
1758 ["Pick and read" gnus-pick-mode t]
1759 ["Binary" gnus-binary-mode t])
1761 ["Regenerate" gnus-summary-prepare t]
1762 ["Insert cached articles" gnus-summary-insert-cached-articles t]
1763 ["Toggle threading" gnus-summary-toggle-threads t])
1764 ["Filter articles..." gnus-summary-execute-command t]
1765 ["Run command on subjects..." gnus-summary-universal-argument t]
1766 ["Search articles forward..." gnus-summary-search-article-forward t]
1767 ["Search articles backward..." gnus-summary-search-article-backward t]
1768 ["Toggle line truncation" gnus-summary-toggle-truncation t]
1769 ["Expand window" gnus-summary-expand-window t]
1770 ["Expire expirable articles" gnus-summary-expire-articles
1771 (gnus-check-backend-function
1772 'request-expire-articles gnus-newsgroup-name)]
1773 ["Edit local kill file" gnus-summary-edit-local-kill t]
1774 ["Edit main kill file" gnus-summary-edit-global-kill t]
1775 ["Edit group parameters" gnus-summary-edit-parameters t]
1776 ["Send a bug report" gnus-bug t]
1778 ["Catchup and exit" gnus-summary-catchup-and-exit t]
1779 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
1780 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
1781 ["Exit group" gnus-summary-exit t]
1782 ["Exit group without updating" gnus-summary-exit-no-update t]
1783 ["Exit and goto next group" gnus-summary-next-group t]
1784 ["Exit and goto prev group" gnus-summary-prev-group t]
1785 ["Reselect group" gnus-summary-reselect-current-group t]
1786 ["Rescan group" gnus-summary-rescan-group t]
1787 ["Update dribble" gnus-summary-save-newsrc t])))
1789 (gnus-run-hooks 'gnus-summary-menu-hook)))
1791 (defun gnus-score-set-default (var value)
1792 "A version of set that updates the GNU Emacs menu-bar."
1794 ;; It is the message that forces the active status to be updated.
1797 (defun gnus-make-score-map (type)
1798 "Make a summary score map of type TYPE."
1801 (let ((headers '(("author" "from" string)
1802 ("subject" "subject" string)
1803 ("article body" "body" string)
1804 ("article head" "head" string)
1805 ("xref" "xref" string)
1806 ("lines" "lines" number)
1807 ("followups to author" "followup" string)))
1808 (types '((number ("less than" <)
1811 (string ("substring" s)
1815 (perms '(("temporary" (current-time-string))
1823 (if (eq type 'lower)
1828 (setq header (car headers))
1834 (let ((ts (cdr (assoc (nth 2 header) types)))
1850 'gnus-summary-score-entry
1852 (if (or (string= (nth 1 header)
1854 (string= (nth 1 header)
1857 (list 'gnus-summary-header
1859 (list 'quote (nth 1 (car ts)))
1860 (list 'gnus-score-default nil)
1866 (list (nreverse outp))))
1869 (list (nreverse outt))))
1871 (setq headers (cdr headers)))
1872 (list (nreverse outh))))))))
1876 (defun gnus-summary-mode (&optional group)
1877 "Major mode for reading articles.
1879 All normal editing commands are switched off.
1880 \\<gnus-summary-mode-map>
1881 Each line in this buffer represents one article. To read an
1882 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
1883 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
1886 You can also post articles and send mail from this buffer. To
1887 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
1888 of an article, type `\\[gnus-summary-reply]'.
1890 There are approx. one gazillion commands you can execute in this
1891 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
1893 The following commands are available:
1895 \\{gnus-summary-mode-map}"
1897 (when (gnus-visual-p 'summary-menu 'menu)
1898 (gnus-summary-make-menu-bar))
1899 (kill-all-local-variables)
1900 (gnus-summary-make-local-variables)
1901 (gnus-make-thread-indent-array)
1902 (gnus-simplify-mode-line)
1903 (setq major-mode 'gnus-summary-mode)
1904 (setq mode-name "Summary")
1905 (make-local-variable 'minor-mode-alist)
1906 (use-local-map gnus-summary-mode-map)
1907 (buffer-disable-undo)
1908 (setq buffer-read-only t) ;Disable modification
1909 (setq truncate-lines t)
1910 (setq selective-display t)
1911 (setq selective-display-ellipses t) ;Display `...'
1912 (gnus-summary-set-display-table)
1913 (gnus-set-default-directory)
1914 (setq gnus-newsgroup-name group)
1915 (make-local-variable 'gnus-summary-line-format)
1916 (make-local-variable 'gnus-summary-line-format-spec)
1917 (make-local-variable 'gnus-summary-dummy-line-format)
1918 (make-local-variable 'gnus-summary-dummy-line-format-spec)
1919 (make-local-variable 'gnus-summary-mark-positions)
1920 (make-local-hook 'post-command-hook)
1921 (add-hook 'post-command-hook 'gnus-clear-inboxes-moved nil t)
1922 (make-local-hook 'pre-command-hook)
1923 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
1924 (gnus-run-hooks 'gnus-summary-mode-hook)
1925 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
1926 (gnus-update-summary-mark-positions))
1928 (defun gnus-summary-make-local-variables ()
1929 "Make all the local summary buffer variables."
1930 (let ((locals gnus-summary-local-variables)
1932 (while (setq local (pop locals))
1935 (if (eq (cdr local) 'global)
1936 ;; Copy the global value of the variable.
1937 (setq global (symbol-value (car local)))
1938 ;; Use the value from the list.
1939 (setq global (eval (cdr local))))
1940 (make-local-variable (car local))
1941 (set (car local) global))
1942 ;; Simple nil-valued local variable.
1943 (make-local-variable local)
1946 (defun gnus-summary-clear-local-variables ()
1947 (let ((locals gnus-summary-local-variables))
1949 (if (consp (car locals))
1950 (and (vectorp (caar locals))
1951 (set (caar locals) nil))
1952 (and (vectorp (car locals))
1953 (set (car locals) nil)))
1954 (setq locals (cdr locals)))))
1956 ;; Summary data functions.
1958 (defmacro gnus-data-number (data)
1961 (defmacro gnus-data-set-number (data number)
1962 `(setcar ,data ,number))
1964 (defmacro gnus-data-mark (data)
1967 (defmacro gnus-data-set-mark (data mark)
1968 `(setcar (nthcdr 1 ,data) ,mark))
1970 (defmacro gnus-data-pos (data)
1973 (defmacro gnus-data-set-pos (data pos)
1974 `(setcar (nthcdr 2 ,data) ,pos))
1976 (defmacro gnus-data-header (data)
1979 (defmacro gnus-data-set-header (data header)
1980 `(setf (nth 3 ,data) ,header))
1982 (defmacro gnus-data-level (data)
1985 (defmacro gnus-data-unread-p (data)
1986 `(= (nth 1 ,data) gnus-unread-mark))
1988 (defmacro gnus-data-read-p (data)
1989 `(/= (nth 1 ,data) gnus-unread-mark))
1991 (defmacro gnus-data-pseudo-p (data)
1992 `(consp (nth 3 ,data)))
1994 (defmacro gnus-data-find (number)
1995 `(assq ,number gnus-newsgroup-data))
1997 (defmacro gnus-data-find-list (number &optional data)
1998 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
1999 (memq (assq ,number bdata)
2002 (defmacro gnus-data-make (number mark pos header level)
2003 `(list ,number ,mark ,pos ,header ,level))
2005 (defun gnus-data-enter (after-article number mark pos header level offset)
2006 (let ((data (gnus-data-find-list after-article)))
2008 (error "No such article: %d" after-article))
2009 (setcdr data (cons (gnus-data-make number mark pos header level)
2011 (setq gnus-newsgroup-data-reverse nil)
2012 (gnus-data-update-list (cddr data) offset)))
2014 (defun gnus-data-enter-list (after-article list &optional offset)
2016 (let ((data (and after-article (gnus-data-find-list after-article)))
2020 (let ((odata gnus-newsgroup-data))
2021 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
2023 (gnus-data-update-list odata offset)))
2024 ;; Find the last element in the list to be spliced into the main
2027 (setq list (cdr list)))
2030 (setcdr list gnus-newsgroup-data)
2031 (setq gnus-newsgroup-data ilist)
2033 (gnus-data-update-list (cdr list) offset)))
2034 (setcdr list (cdr data))
2037 (gnus-data-update-list (cdr list) offset))))
2038 (setq gnus-newsgroup-data-reverse nil))))
2040 (defun gnus-data-remove (article &optional offset)
2041 (let ((data gnus-newsgroup-data))
2042 (if (= (gnus-data-number (car data)) article)
2044 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
2045 gnus-newsgroup-data-reverse nil)
2047 (gnus-data-update-list gnus-newsgroup-data offset)))
2049 (when (= (gnus-data-number (cadr data)) article)
2050 (setcdr data (cddr data))
2052 (gnus-data-update-list (cdr data) offset))
2054 gnus-newsgroup-data-reverse nil))
2055 (setq data (cdr data))))))
2057 (defmacro gnus-data-list (backward)
2059 (or gnus-newsgroup-data-reverse
2060 (setq gnus-newsgroup-data-reverse
2061 (reverse gnus-newsgroup-data)))
2062 gnus-newsgroup-data))
2064 (defun gnus-data-update-list (data offset)
2065 "Add OFFSET to the POS of all data entries in DATA."
2066 (setq gnus-newsgroup-data-reverse nil)
2068 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
2069 (setq data (cdr data))))
2071 (defun gnus-summary-article-pseudo-p (article)
2072 "Say whether this article is a pseudo article or not."
2073 (not (vectorp (gnus-data-header (gnus-data-find article)))))
2075 (defmacro gnus-summary-article-sparse-p (article)
2076 "Say whether this article is a sparse article or not."
2077 `(memq ,article gnus-newsgroup-sparse))
2079 (defmacro gnus-summary-article-ancient-p (article)
2080 "Say whether this article is a sparse article or not."
2081 `(memq ,article gnus-newsgroup-ancient))
2083 (defun gnus-article-parent-p (number)
2084 "Say whether this article is a parent or not."
2085 (let ((data (gnus-data-find-list number)))
2086 (and (cdr data) ; There has to be an article after...
2087 (< (gnus-data-level (car data)) ; And it has to have a higher level.
2088 (gnus-data-level (nth 1 data))))))
2090 (defun gnus-article-children (number)
2091 "Return a list of all children to NUMBER."
2092 (let* ((data (gnus-data-find-list number))
2093 (level (gnus-data-level (car data)))
2095 (setq data (cdr data))
2097 (= (gnus-data-level (car data)) (1+ level)))
2098 (push (gnus-data-number (car data)) children)
2099 (setq data (cdr data)))
2102 (defmacro gnus-summary-skip-intangible ()
2103 "If the current article is intangible, then jump to a different article."
2104 '(let ((to (get-text-property (point) 'gnus-intangible)))
2105 (and to (gnus-summary-goto-subject to))))
2107 (defmacro gnus-summary-article-intangible-p ()
2108 "Say whether this article is intangible or not."
2109 '(get-text-property (point) 'gnus-intangible))
2111 (defun gnus-article-read-p (article)
2112 "Say whether ARTICLE is read or not."
2113 (not (or (memq article gnus-newsgroup-marked)
2114 (memq article gnus-newsgroup-unreads)
2115 (memq article gnus-newsgroup-unselected)
2116 (memq article gnus-newsgroup-dormant))))
2118 ;; Some summary mode macros.
2120 (defmacro gnus-summary-article-number ()
2121 "The article number of the article on the current line.
2122 If there isn's an article number here, then we return the current
2125 (gnus-summary-skip-intangible)
2126 (or (get-text-property (point) 'gnus-number)
2127 (gnus-summary-last-subject))))
2129 (defmacro gnus-summary-article-header (&optional number)
2130 "Return the header of article NUMBER."
2131 `(gnus-data-header (gnus-data-find
2132 ,(or number '(gnus-summary-article-number)))))
2134 (defmacro gnus-summary-thread-level (&optional number)
2135 "Return the level of thread that starts with article NUMBER."
2136 `(if (and (eq gnus-summary-make-false-root 'dummy)
2137 (get-text-property (point) 'gnus-intangible))
2139 (gnus-data-level (gnus-data-find
2140 ,(or number '(gnus-summary-article-number))))))
2142 (defmacro gnus-summary-article-mark (&optional number)
2143 "Return the mark of article NUMBER."
2144 `(gnus-data-mark (gnus-data-find
2145 ,(or number '(gnus-summary-article-number)))))
2147 (defmacro gnus-summary-article-pos (&optional number)
2148 "Return the position of the line of article NUMBER."
2149 `(gnus-data-pos (gnus-data-find
2150 ,(or number '(gnus-summary-article-number)))))
2152 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
2153 (defmacro gnus-summary-article-subject (&optional number)
2154 "Return current subject string or nil if nothing."
2157 `(gnus-data-header (assq ,number gnus-newsgroup-data))
2158 '(gnus-data-header (assq (gnus-summary-article-number)
2159 gnus-newsgroup-data)))))
2162 (mail-header-subject headers))))
2164 (defmacro gnus-summary-article-score (&optional number)
2165 "Return current article score."
2166 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
2167 gnus-newsgroup-scored))
2168 gnus-summary-default-score 0))
2170 (defun gnus-summary-article-children (&optional number)
2171 "Return a list of article numbers that are children of article NUMBER."
2172 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
2173 (level (gnus-data-level (car data)))
2175 (while (and (setq data (cdr data))
2176 (> (setq l (gnus-data-level (car data))) level))
2177 (and (= (1+ level) l)
2178 (push (gnus-data-number (car data))
2180 (nreverse children)))
2182 (defun gnus-summary-article-parent (&optional number)
2183 "Return the article number of the parent of article NUMBER."
2184 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
2185 (gnus-data-list t)))
2186 (level (gnus-data-level (car data))))
2188 () ; This is a root.
2189 ;; We search until we find an article with a level less than
2190 ;; this one. That function has to be the parent.
2191 (while (and (setq data (cdr data))
2192 (not (< (gnus-data-level (car data)) level))))
2193 (and data (gnus-data-number (car data))))))
2195 (defun gnus-unread-mark-p (mark)
2196 "Say whether MARK is the unread mark."
2197 (= mark gnus-unread-mark))
2199 (defun gnus-read-mark-p (mark)
2200 "Say whether MARK is one of the marks that mark as read.
2201 This is all marks except unread, ticked, dormant, and expirable."
2202 (not (or (= mark gnus-unread-mark)
2203 (= mark gnus-ticked-mark)
2204 (= mark gnus-dormant-mark)
2205 (= mark gnus-expirable-mark))))
2207 (defmacro gnus-article-mark (number)
2208 "Return the MARK of article NUMBER.
2209 This macro should only be used when computing the mark the \"first\"
2210 time; i.e., when generating the summary lines. After that,
2211 `gnus-summary-article-mark' should be used to examine the
2214 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
2215 ((memq ,number gnus-newsgroup-undownloaded) gnus-undownloaded-mark)
2216 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
2217 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
2218 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
2219 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
2220 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
2221 (t (or (cdr (assq ,number gnus-newsgroup-reads))
2222 gnus-ancient-mark))))
2224 ;; Saving hidden threads.
2226 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
2227 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
2229 (defmacro gnus-save-hidden-threads (&rest forms)
2230 "Save hidden threads, eval FORMS, and restore the hidden threads."
2231 (let ((config (make-symbol "config")))
2232 `(let ((,config (gnus-hidden-threads-configuration)))
2236 (gnus-restore-hidden-threads-configuration ,config)))))
2238 (defun gnus-data-compute-positions ()
2239 "Compute the positions of all articles."
2240 (setq gnus-newsgroup-data-reverse nil)
2241 (let ((data gnus-newsgroup-data))
2243 (gnus-save-hidden-threads
2244 (gnus-summary-show-all-threads)
2245 (goto-char (point-min))
2247 (while (get-text-property (point) 'gnus-intangible)
2249 (gnus-data-set-pos (car data) (+ (point) 3))
2250 (setq data (cdr data))
2251 (forward-line 1))))))
2253 (defun gnus-hidden-threads-configuration ()
2254 "Return the current hidden threads configuration."
2257 (goto-char (point-min))
2258 (while (search-forward "\r" nil t)
2259 (push (1- (point)) config))
2262 (defun gnus-restore-hidden-threads-configuration (config)
2263 "Restore hidden threads configuration from CONFIG."
2264 (let (point buffer-read-only)
2265 (while (setq point (pop config))
2266 (when (and (< point (point-max))
2268 (= (following-char) ?\n))
2269 (subst-char-in-region point (1+ point) ?\n ?\r)))))
2271 ;; Various summary mode internalish functions.
2273 (defun gnus-mouse-pick-article (e)
2276 (gnus-summary-next-page nil t))
2278 (defun gnus-summary-set-display-table ()
2279 ;; Change the display table. Odd characters have a tendency to mess
2280 ;; up nicely formatted displays - we make all possible glyphs
2281 ;; display only a single character.
2283 ;; We start from the standard display table, if any.
2284 (let ((table (or (copy-sequence standard-display-table)
2285 (make-display-table)))
2287 ;; Nix out all the control chars...
2288 (while (>= (setq i (1- i)) 0)
2289 (aset table i [??]))
2290 ;; ... but not newline and cr, of course. (cr is necessary for the
2291 ;; selective display).
2292 (aset table ?\n nil)
2293 (aset table ?\r nil)
2294 ;; We keep TAB as well.
2295 (aset table ?\t nil)
2296 ;; We nix out any glyphs over 126 that are not set already.
2298 (while (>= (setq i (1- i)) 127)
2299 ;; Only modify if the entry is nil.
2300 (unless (aref table i)
2301 (aset table i [??]))))
2302 (setq buffer-display-table table)))
2304 (defun gnus-summary-setup-buffer (group)
2305 "Initialize summary buffer."
2306 (let ((buffer (concat "*Summary " group "*")))
2307 (if (get-buffer buffer)
2310 (setq gnus-summary-buffer (current-buffer))
2311 (not gnus-newsgroup-prepared))
2312 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
2313 (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
2314 (gnus-summary-mode group)
2316 (gnus-carpal-setup-buffer 'summary))
2317 (unless gnus-single-article-buffer
2318 (make-local-variable 'gnus-article-buffer)
2319 (make-local-variable 'gnus-article-current)
2320 (make-local-variable 'gnus-original-article-buffer))
2321 (setq gnus-newsgroup-name group)
2324 (defun gnus-set-global-variables ()
2325 ;; Set the global equivalents of the summary buffer-local variables
2326 ;; to the latest values they had. These reflect the summary buffer
2327 ;; that was in action when the last article was fetched.
2328 (when (eq major-mode 'gnus-summary-mode)
2329 (setq gnus-summary-buffer (current-buffer))
2330 (let ((name gnus-newsgroup-name)
2331 (marked gnus-newsgroup-marked)
2332 (unread gnus-newsgroup-unreads)
2333 (headers gnus-current-headers)
2334 (data gnus-newsgroup-data)
2335 (summary gnus-summary-buffer)
2336 (article-buffer gnus-article-buffer)
2337 (original gnus-original-article-buffer)
2338 (gac gnus-article-current)
2339 (reffed gnus-reffed-article-number)
2340 (score-file gnus-current-score-file))
2342 (set-buffer gnus-group-buffer)
2343 (setq gnus-newsgroup-name name
2344 gnus-newsgroup-marked marked
2345 gnus-newsgroup-unreads unread
2346 gnus-current-headers headers
2347 gnus-newsgroup-data data
2348 gnus-article-current gac
2349 gnus-summary-buffer summary
2350 gnus-article-buffer article-buffer
2351 gnus-original-article-buffer original
2352 gnus-reffed-article-number reffed
2353 gnus-current-score-file score-file)
2354 ;; The article buffer also has local variables.
2355 (when (gnus-buffer-live-p gnus-article-buffer)
2356 (set-buffer gnus-article-buffer)
2357 (setq gnus-summary-buffer summary))))))
2359 (defun gnus-summary-article-unread-p (article)
2360 "Say whether ARTICLE is unread or not."
2361 (memq article gnus-newsgroup-unreads))
2363 (defun gnus-summary-first-article-p (&optional article)
2364 "Return whether ARTICLE is the first article in the buffer."
2365 (if (not (setq article (or article (gnus-summary-article-number))))
2367 (eq article (caar gnus-newsgroup-data))))
2369 (defun gnus-summary-last-article-p (&optional article)
2370 "Return whether ARTICLE is the last article in the buffer."
2371 (if (not (setq article (or article (gnus-summary-article-number))))
2372 t ; All non-existent numbers are the last article. :-)
2373 (not (cdr (gnus-data-find-list article)))))
2375 (defun gnus-make-thread-indent-array ()
2377 (unless (and gnus-thread-indent-array
2378 (= gnus-thread-indent-level gnus-thread-indent-array-level))
2379 (setq gnus-thread-indent-array (make-vector 201 "")
2380 gnus-thread-indent-array-level gnus-thread-indent-level)
2382 (aset gnus-thread-indent-array n
2383 (make-string (* n gnus-thread-indent-level) ? ))
2386 (defun gnus-update-summary-mark-positions ()
2387 "Compute where the summary marks are to go."
2389 (when (gnus-buffer-exists-p gnus-summary-buffer)
2390 (set-buffer gnus-summary-buffer))
2391 (let ((gnus-replied-mark 129)
2392 (gnus-score-below-mark 130)
2393 (gnus-score-over-mark 130)
2394 (gnus-download-mark 131)
2395 (spec gnus-summary-line-format-spec)
2398 (gnus-set-work-buffer)
2399 (let ((gnus-summary-line-format-spec spec)
2400 (gnus-newsgroup-downloadable '((0 . t))))
2401 (gnus-summary-insert-line
2402 [0 "" "" "" "" "" 0 0 ""] 0 nil 128 t nil "" nil 1)
2403 (goto-char (point-min))
2404 (setq pos (list (cons 'unread (and (search-forward "\200" nil t)
2406 (goto-char (point-min))
2407 (push (cons 'replied (and (search-forward "\201" nil t)
2410 (goto-char (point-min))
2411 (push (cons 'score (and (search-forward "\202" nil t) (- (point) 2)))
2413 (goto-char (point-min))
2414 (push (cons 'download
2415 (and (search-forward "\203" nil t) (- (point) 2)))
2417 (setq gnus-summary-mark-positions pos))))
2419 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
2420 "Insert a dummy root in the summary buffer."
2422 (gnus-add-text-properties
2423 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
2424 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
2426 (defun gnus-summary-insert-line (gnus-tmp-header
2427 gnus-tmp-level gnus-tmp-current
2428 gnus-tmp-unread gnus-tmp-replied
2429 gnus-tmp-expirable gnus-tmp-subject-or-nil
2430 &optional gnus-tmp-dummy gnus-tmp-score
2432 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
2433 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
2434 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
2435 (gnus-tmp-score-char
2436 (if (or (null gnus-summary-default-score)
2437 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
2438 gnus-summary-zcore-fuzz))
2440 (if (< gnus-tmp-score gnus-summary-default-score)
2441 gnus-score-below-mark gnus-score-over-mark)))
2443 (cond (gnus-tmp-process gnus-process-mark)
2444 ((memq gnus-tmp-current gnus-newsgroup-cached)
2446 (gnus-tmp-replied gnus-replied-mark)
2447 ((memq gnus-tmp-current gnus-newsgroup-saved)
2449 (t gnus-unread-mark)))
2450 (gnus-tmp-from (mail-header-from gnus-tmp-header))
2453 ((string-match "<[^>]+> *$" gnus-tmp-from)
2454 (let ((beg (match-beginning 0)))
2455 (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
2456 (substring gnus-tmp-from (1+ (match-beginning 0))
2457 (1- (match-end 0))))
2458 (substring gnus-tmp-from 0 beg))))
2459 ((string-match "(.+)" gnus-tmp-from)
2460 (substring gnus-tmp-from
2461 (1+ (match-beginning 0)) (1- (match-end 0))))
2463 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
2464 (gnus-tmp-number (mail-header-number gnus-tmp-header))
2465 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
2466 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
2467 (buffer-read-only nil))
2468 (when (string= gnus-tmp-name "")
2469 (setq gnus-tmp-name gnus-tmp-from))
2470 (unless (numberp gnus-tmp-lines)
2471 (setq gnus-tmp-lines 0))
2472 (gnus-put-text-property
2474 (progn (eval gnus-summary-line-format-spec) (point))
2475 'gnus-number gnus-tmp-number)
2476 (when (gnus-visual-p 'summary-highlight 'highlight)
2478 (gnus-run-hooks 'gnus-summary-update-hook)
2481 (defun gnus-summary-update-line (&optional dont-update)
2482 ;; Update summary line after change.
2483 (when (and gnus-summary-default-score
2484 (not gnus-summary-inhibit-highlight))
2485 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
2486 (article (gnus-summary-article-number))
2487 (score (gnus-summary-article-score article)))
2489 (if (and gnus-summary-mark-below
2490 (< (gnus-summary-article-score)
2491 gnus-summary-mark-below))
2492 ;; This article has a low score, so we mark it as read.
2493 (when (memq article gnus-newsgroup-unreads)
2494 (gnus-summary-mark-article-as-read gnus-low-score-mark))
2495 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
2496 ;; This article was previously marked as read on account
2497 ;; of a low score, but now it has risen, so we mark it as
2499 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
2500 (gnus-summary-update-mark
2501 (if (or (null gnus-summary-default-score)
2502 (<= (abs (- score gnus-summary-default-score))
2503 gnus-summary-zcore-fuzz))
2505 (if (< score gnus-summary-default-score)
2506 gnus-score-below-mark gnus-score-over-mark))
2508 ;; Do visual highlighting.
2509 (when (gnus-visual-p 'summary-highlight 'highlight)
2510 (gnus-run-hooks 'gnus-summary-update-hook)))))
2512 (defvar gnus-tmp-new-adopts nil)
2514 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
2515 "Return the number of articles in THREAD.
2516 This may be 0 in some cases -- if none of the articles in
2517 the thread are to be displayed."
2519 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
2521 ((not (listp thread))
2523 ((and (consp thread) (cdr thread))
2526 'gnus-summary-number-of-articles-in-thread (cdr thread))))
2529 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
2532 (when (and level (zerop level) gnus-tmp-new-adopts)
2535 'gnus-summary-number-of-articles-in-thread
2536 gnus-tmp-new-adopts))))
2538 (if (> number 1) gnus-not-empty-thread-mark
2539 gnus-empty-thread-mark)
2542 (defun gnus-summary-set-local-parameters (group)
2543 "Go through the local params of GROUP and set all variable specs in that list."
2544 (let ((params (gnus-group-find-parameter group))
2547 (setq elem (car params)
2548 params (cdr params))
2549 (and (consp elem) ; Has to be a cons.
2550 (consp (cdr elem)) ; The cdr has to be a list.
2551 (symbolp (car elem)) ; Has to be a symbol in there.
2552 (not (memq (car elem) '(quit-config))) ; Ignore quit-config.
2553 (ignore-errors ; So we set it.
2554 (make-local-variable (car elem))
2555 (set (car elem) (eval (nth 1 elem))))))))
2557 (defun gnus-summary-read-group (group &optional show-all no-article
2558 kill-buffer no-display backward
2560 "Start reading news in newsgroup GROUP.
2561 If SHOW-ALL is non-nil, already read articles are also listed.
2562 If NO-ARTICLE is non-nil, no article is selected initially.
2563 If NO-DISPLAY, don't generate a summary buffer."
2567 (let ((gnus-auto-select-next nil))
2568 (or (gnus-summary-read-group-1
2569 group show-all no-article
2570 kill-buffer no-display
2573 select-articles nil)))))
2574 (eq gnus-auto-select-next 'quietly))
2575 (set-buffer gnus-group-buffer)
2576 ;; The entry function called above goes to the next
2577 ;; group automatically, so we go two groups back
2578 ;; if we are searching for the previous group.
2580 (gnus-group-prev-unread-group 2))
2581 (if (not (equal group (gnus-group-group-name)))
2582 (setq group (gnus-group-group-name))
2586 (defun gnus-summary-read-group-1 (group show-all no-article
2587 kill-buffer no-display
2588 &optional select-articles)
2589 ;; Killed foreign groups can't be entered.
2590 (when (and (not (gnus-group-native-p group))
2591 (not (gnus-gethash group gnus-newsrc-hashtb)))
2592 (error "Dead non-native groups can't be entered"))
2593 (gnus-message 5 "Retrieving newsgroup: %s..." group)
2594 (let* ((new-group (gnus-summary-setup-buffer group))
2595 (quit-config (gnus-group-quit-config group))
2596 (did-select (and new-group (gnus-select-newsgroup
2597 group show-all select-articles))))
2599 ;; This summary buffer exists already, so we just select it.
2601 (gnus-set-global-variables)
2603 (gnus-kill-or-deaden-summary kill-buffer))
2604 (gnus-configure-windows 'summary 'force)
2605 (gnus-set-mode-line 'summary)
2606 (gnus-summary-position-point)
2609 ;; We couldn't select this group.
2611 (when (and (eq major-mode 'gnus-summary-mode)
2612 (not (equal (current-buffer) kill-buffer)))
2613 (kill-buffer (current-buffer))
2614 (if (not quit-config)
2616 ;; Update the info -- marks might need to be removed,
2618 (gnus-summary-update-info)
2619 (set-buffer gnus-group-buffer)
2620 (gnus-group-jump-to-group group)
2621 (gnus-group-next-unread-group 1))
2622 (gnus-handle-ephemeral-exit quit-config)))
2623 (gnus-message 3 "Can't select group")
2625 ;; The user did a `C-g' while prompting for number of articles,
2626 ;; so we exit this group.
2627 ((eq did-select 'quit)
2628 (and (eq major-mode 'gnus-summary-mode)
2629 (not (equal (current-buffer) kill-buffer))
2630 (kill-buffer (current-buffer)))
2632 (gnus-kill-or-deaden-summary kill-buffer))
2633 (if (not quit-config)
2635 (set-buffer gnus-group-buffer)
2636 (gnus-group-jump-to-group group)
2637 (gnus-group-next-unread-group 1)
2638 (gnus-configure-windows 'group 'force))
2639 (gnus-handle-ephemeral-exit quit-config))
2640 ;; Finally signal the quit.
2642 ;; The group was successfully selected.
2644 (gnus-set-global-variables)
2645 ;; Save the active value in effect when the group was entered.
2646 (setq gnus-newsgroup-active
2648 (gnus-active gnus-newsgroup-name)))
2649 ;; You can change the summary buffer in some way with this hook.
2650 (gnus-run-hooks 'gnus-select-group-hook)
2651 ;; Set any local variables in the group parameters.
2652 (gnus-summary-set-local-parameters gnus-newsgroup-name)
2653 (gnus-update-format-specifications
2654 nil 'summary 'summary-mode 'summary-dummy)
2655 ;; Do score processing.
2656 (when gnus-use-scoring
2657 (gnus-possibly-score-headers))
2658 ;; Check whether to fill in the gaps in the threads.
2659 (when gnus-build-sparse-threads
2660 (gnus-build-sparse-threads))
2661 ;; Find the initial limit.
2662 (if gnus-show-threads
2664 (let ((gnus-newsgroup-dormant nil))
2665 (gnus-summary-initial-limit show-all))
2666 (gnus-summary-initial-limit show-all))
2667 (setq gnus-newsgroup-limit
2669 (lambda (header) (mail-header-number header))
2670 gnus-newsgroup-headers)))
2671 ;; Generate the summary buffer.
2673 (gnus-summary-prepare))
2674 (when gnus-use-trees
2675 (gnus-tree-open group)
2676 (setq gnus-summary-highlight-line-function
2677 'gnus-tree-highlight-article))
2678 ;; If the summary buffer is empty, but there are some low-scored
2679 ;; articles or some excluded dormants, we include these in the
2681 (when (and (zerop (buffer-size))
2683 (cond (gnus-newsgroup-dormant
2684 (gnus-summary-limit-include-dormant))
2685 ((and gnus-newsgroup-scored show-all)
2686 (gnus-summary-limit-include-expunged t))))
2687 ;; Function `gnus-apply-kill-file' must be called in this hook.
2688 (gnus-run-hooks 'gnus-apply-kill-hook)
2689 (if (and (zerop (buffer-size))
2692 ;; This newsgroup is empty.
2693 (gnus-summary-catchup-and-exit nil t)
2694 (gnus-message 6 "No unread news")
2696 (gnus-kill-or-deaden-summary kill-buffer))
2697 ;; Return nil from this function.
2699 ;; Hide conversation thread subtrees. We cannot do this in
2700 ;; gnus-summary-prepare-hook since kill processing may not
2701 ;; work with hidden articles.
2702 (and gnus-show-threads
2703 gnus-thread-hide-subtree
2704 (gnus-summary-hide-all-threads))
2706 (gnus-kill-or-deaden-summary kill-buffer))
2707 ;; Show first unread article if requested.
2708 (if (and (not no-article)
2710 gnus-newsgroup-unreads
2711 gnus-auto-select-first)
2713 (gnus-configure-windows 'summary)
2715 ((eq gnus-auto-select-first 'best)
2716 (gnus-summary-best-unread-article))
2717 ((eq gnus-auto-select-first t)
2718 (gnus-summary-first-unread-article))
2719 ((gnus-functionp gnus-auto-select-first)
2720 (funcall gnus-auto-select-first))))
2721 ;; Don't select any articles, just move point to the first
2722 ;; article in the group.
2723 (goto-char (point-min))
2724 (gnus-summary-position-point)
2725 (gnus-configure-windows 'summary 'force)
2726 (gnus-set-mode-line 'summary))
2727 (when (get-buffer-window gnus-group-buffer t)
2728 ;; Gotta use windows, because recenter does weird stuff if
2729 ;; the current buffer ain't the displayed window.
2730 (let ((owin (selected-window)))
2731 (select-window (get-buffer-window gnus-group-buffer t))
2732 (when (gnus-group-goto-group group)
2734 (select-window owin)))
2735 ;; Mark this buffer as "prepared".
2736 (setq gnus-newsgroup-prepared t)
2737 (gnus-run-hooks 'gnus-summary-prepared-hook)
2740 (defun gnus-summary-prepare ()
2741 "Generate the summary buffer."
2743 (let ((buffer-read-only nil))
2745 (setq gnus-newsgroup-data nil
2746 gnus-newsgroup-data-reverse nil)
2747 (gnus-run-hooks 'gnus-summary-generate-hook)
2748 ;; Generate the buffer, either with threads or without.
2749 (when gnus-newsgroup-headers
2750 (gnus-summary-prepare-threads
2751 (if gnus-show-threads
2752 (gnus-sort-gathered-threads
2753 (funcall gnus-summary-thread-gathering-function
2755 (gnus-cut-threads (gnus-make-threads)))))
2756 ;; Unthreaded display.
2757 (gnus-sort-articles gnus-newsgroup-headers))))
2758 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
2759 ;; Call hooks for modifying summary buffer.
2760 (goto-char (point-min))
2761 (gnus-run-hooks 'gnus-summary-prepare-hook)))
2763 (defsubst gnus-general-simplify-subject (subject)
2764 "Simply subject by the same rules as gnus-gather-threads-by-subject."
2767 ;; Truncate the subject.
2768 (gnus-simplify-subject-functions
2769 (gnus-map-function gnus-simplify-subject-functions subject))
2770 ((numberp gnus-summary-gather-subject-limit)
2771 (setq subject (gnus-simplify-subject-re subject))
2772 (if (> (length subject) gnus-summary-gather-subject-limit)
2773 (substring subject 0 gnus-summary-gather-subject-limit)
2775 ;; Fuzzily simplify it.
2776 ((eq 'fuzzy gnus-summary-gather-subject-limit)
2777 (gnus-simplify-subject-fuzzy subject))
2778 ;; Just remove the leading "Re:".
2780 (gnus-simplify-subject-re subject))))
2782 (if (and gnus-summary-gather-exclude-subject
2783 (string-match gnus-summary-gather-exclude-subject subject))
2784 nil ; This article shouldn't be gathered
2787 (defun gnus-summary-simplify-subject-query ()
2788 "Query where the respool algorithm would put this article."
2790 (gnus-summary-select-article)
2791 (message (gnus-general-simplify-subject (gnus-summary-article-subject))))
2793 (defun gnus-gather-threads-by-subject (threads)
2794 "Gather threads by looking at Subject headers."
2795 (if (not gnus-summary-make-false-root)
2797 (let ((hashtb (gnus-make-hashtable 1024))
2800 subject hthread whole-subject)
2802 (setq subject (gnus-general-simplify-subject
2803 (setq whole-subject (mail-header-subject
2806 (if (setq hthread (gnus-gethash subject hashtb))
2808 ;; We enter a dummy root into the thread, if we
2809 ;; haven't done that already.
2810 (unless (stringp (caar hthread))
2811 (setcar hthread (list whole-subject (car hthread))))
2812 ;; We add this new gathered thread to this gathered
2814 (setcdr (car hthread)
2815 (nconc (cdar hthread) (list (car threads))))
2816 ;; Remove it from the list of threads.
2817 (setcdr prev (cdr threads))
2818 (setq threads prev))
2819 ;; Enter this thread into the hash table.
2820 (gnus-sethash subject threads hashtb)))
2822 (setq threads (cdr threads)))
2825 (defun gnus-gather-threads-by-references (threads)
2826 "Gather threads by looking at References headers."
2827 (let ((idhashtb (gnus-make-hashtable 1024))
2828 (thhashtb (gnus-make-hashtable 1024))
2831 ids references id gthread gid entered ref)
2833 (when (setq references (mail-header-references (caar threads)))
2834 (setq id (mail-header-id (caar threads))
2835 ids (gnus-split-references references)
2837 (while (setq ref (pop ids))
2838 (setq ids (delete ref ids))
2839 (if (not (setq gid (gnus-gethash ref idhashtb)))
2841 (gnus-sethash ref id idhashtb)
2842 (gnus-sethash id threads thhashtb))
2843 (setq gthread (gnus-gethash gid thhashtb))
2845 ;; We enter a dummy root into the thread, if we
2846 ;; haven't done that already.
2847 (unless (stringp (caar gthread))
2848 (setcar gthread (list (mail-header-subject (caar gthread))
2850 ;; We add this new gathered thread to this gathered
2852 (setcdr (car gthread)
2853 (nconc (cdar gthread) (list (car threads)))))
2854 ;; Add it into the thread hash table.
2855 (gnus-sethash id gthread thhashtb)
2857 ;; Remove it from the list of threads.
2858 (setcdr prev (cdr threads))
2859 (setq threads prev))))
2861 (setq threads (cdr threads)))
2864 (defun gnus-sort-gathered-threads (threads)
2865 "Sort subtreads inside each gathered thread by article number."
2866 (let ((result threads))
2868 (when (stringp (caar threads))
2869 (setcdr (car threads)
2870 (sort (cdar threads) 'gnus-thread-sort-by-number)))
2871 (setq threads (cdr threads)))
2874 (defun gnus-thread-loop-p (root thread)
2875 "Say whether ROOT is in THREAD."
2876 (let ((stack (list thread))
2879 (while (setq thread (pop stack))
2880 (setq th (cdr thread))
2882 (not (eq (caar th) root)))
2885 ;; We have found a loop.
2887 (setcdr thread (delq (car th) (cdr thread)))
2888 (if (boundp (setq ref-dep (intern "none"
2889 gnus-newsgroup-dependencies)))
2890 (setcdr (symbol-value ref-dep)
2891 (nconc (cdr (symbol-value ref-dep))
2893 (set ref-dep (list nil (car th))))
2896 ;; Push all the subthreads onto the stack.
2897 (push (cdr thread) stack)))
2900 (defun gnus-make-threads ()
2901 "Go through the dependency hashtb and find the roots. Return all threads."
2903 (while (catch 'infloop
2906 ;; Deal with self-referencing References loops.
2907 (when (and (car (symbol-value refs))
2914 (car (symbol-value refs)) thread))
2915 (cdr (symbol-value refs)))))))
2918 (unless (car (symbol-value refs))
2919 ;; These threads do not refer back to any other articles,
2920 ;; so they're roots.
2921 (setq threads (append (cdr (symbol-value refs)) threads))))
2922 gnus-newsgroup-dependencies)))
2925 ;; Build the thread tree.
2926 (defsubst gnus-dependencies-add-header (header dependencies force-new)
2927 "Enter HEADER into the DEPENDENCIES table if it is not already there.
2929 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
2930 if it was already present.
2932 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
2933 will not be entered in the DEPENDENCIES table. Otherwise duplicate
2934 Message-IDs will be renamed be renamed to a unique Message-ID before
2937 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
2938 (let* ((id (mail-header-id header))
2939 (id-dep (and id (intern id dependencies)))
2940 ref ref-dep ref-header)
2941 ;; Enter this `header' in the `dependencies' table.
2945 ;; The first two cases do the normal part: enter a new `header'
2946 ;; in the `dependencies' table.
2947 ((not (boundp id-dep))
2948 (set id-dep (list header)))
2949 ((null (car (symbol-value id-dep)))
2950 (setcar (symbol-value id-dep) header))
2952 ;; From here the `header' was already present in the
2953 ;; `dependencies' table.
2955 ;; Overrides an existing entry;
2956 ;; just set the header part of the entry.
2957 (setcar (symbol-value id-dep) header))
2959 ;; Renames the existing `header' to a unique Message-ID.
2960 ((not gnus-summary-ignore-duplicates)
2961 ;; An article with this Message-ID has already been seen.
2962 ;; We rename the Message-ID.
2963 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
2965 (mail-header-set-id header id))
2967 ;; The last case ignores an existing entry, except it adds any
2968 ;; additional Xrefs (in case the two articles came from different
2970 ;; Also sets `header' to `nil' meaning that the `dependencies'
2971 ;; table was *not* modified.
2973 (mail-header-set-xref
2974 (car (symbol-value id-dep))
2975 (concat (or (mail-header-xref (car (symbol-value id-dep)))
2977 (or (mail-header-xref header) "")))
2981 ;; First check if that we are not creating a References loop.
2982 (setq ref (gnus-parent-id (mail-header-references header)))
2984 (setq ref-dep (intern-soft ref dependencies))
2986 (setq ref-header (car (symbol-value ref-dep))))
2987 (if (string= id ref)
2988 ;; Yuk! This is a reference loop. Make the article be a
2991 (mail-header-set-references (car (symbol-value id-dep)) "none")
2993 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
2994 (setq ref (gnus-parent-id (mail-header-references header)))
2995 (setq ref-dep (intern (or ref "none") dependencies))
2996 (if (boundp ref-dep)
2997 (setcdr (symbol-value ref-dep)
2998 (nconc (cdr (symbol-value ref-dep))
2999 (list (symbol-value id-dep))))
3000 (set ref-dep (list nil (symbol-value id-dep)))))
3003 (defun gnus-build-sparse-threads ()
3004 (let ((headers gnus-newsgroup-headers)
3005 (gnus-summary-ignore-duplicates t)
3006 header references generation relations
3007 subject child end new-child date)
3008 ;; First we create an alist of generations/relations, where
3009 ;; generations is how much we trust the relation, and the relation
3011 (gnus-message 7 "Making sparse threads...")
3013 (nnheader-set-temp-buffer " *gnus sparse threads*")
3014 (while (setq header (pop headers))
3015 (when (and (setq references (mail-header-references header))
3016 (not (string= references "")))
3018 (setq child (mail-header-id header)
3019 subject (mail-header-subject header)
3020 date (mail-header-date header)
3022 (while (search-backward ">" nil t)
3023 (setq end (1+ (point)))
3024 (when (search-backward "<" nil t)
3025 (setq new-child (buffer-substring (point) end))
3026 (push (list (incf generation)
3027 child (setq child new-child)
3031 (push (list (1+ generation) child nil subject) relations))
3033 (kill-buffer (current-buffer)))
3034 ;; Sort over trustworthiness.
3037 (when (gnus-dependencies-add-header
3038 (make-full-mail-header
3039 gnus-reffed-article-number
3040 (nth 3 relation) "" (or (nth 4 relation) "")
3042 (or (nth 2 relation) "") 0 0 "")
3043 gnus-newsgroup-dependencies nil)
3044 (push gnus-reffed-article-number gnus-newsgroup-limit)
3045 (push gnus-reffed-article-number gnus-newsgroup-sparse)
3046 (push (cons gnus-reffed-article-number gnus-sparse-mark)
3047 gnus-newsgroup-reads)
3048 (decf gnus-reffed-article-number)))
3049 (sort relations 'car-less-than-car))
3050 (gnus-message 7 "Making sparse threads...done")))
3052 (defun gnus-build-old-threads ()
3053 ;; Look at all the articles that refer back to old articles, and
3054 ;; fetch the headers for the articles that aren't there. This will
3055 ;; build complete threads - if the roots haven't been expired by the
3060 (when (not (car (symbol-value refs)))
3061 (setq heads (cdr (symbol-value refs)))
3063 (if (memq (mail-header-number (caar heads))
3064 gnus-newsgroup-dormant)
3065 (setq heads (cdr heads))
3066 (setq id (symbol-name refs))
3067 (while (and (setq id (gnus-build-get-header id))
3068 (not (car (gnus-id-to-thread id)))))
3069 (setq heads nil)))))
3070 gnus-newsgroup-dependencies)))
3072 ;; The following macros and functions were written by Felix Lee
3073 ;; <flee@cse.psu.edu>.
3075 (defmacro gnus-nov-read-integer ()
3077 (if (= (following-char) ?\t)
3079 (let ((num (ignore-errors (read buffer))))
3080 (if (numberp num) num 0)))
3082 (search-forward "\t" eol 'move))))
3084 (defmacro gnus-nov-skip-field ()
3085 '(search-forward "\t" eol 'move))
3087 (defmacro gnus-nov-field ()
3088 '(buffer-substring (point) (if (gnus-nov-skip-field) (1- (point)) eol)))
3090 ;; This function has to be called with point after the article number
3091 ;; on the beginning of the line.
3092 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
3093 (let ((eol (gnus-point-at-eol))
3094 (buffer (current-buffer))
3095 header rawtext decoded)
3097 ;; overview: [num subject from date id refs chars lines misc]
3100 (narrow-to-region (point) eol)
3105 (make-full-mail-header
3108 (setq rawtext (gnus-nov-field) ; subject
3110 gnus-unstructured-field-decoder rawtext))
3111 (if (string= rawtext decoded)
3113 (put-text-property 0 (length decoded) 'raw-text rawtext decoded)
3116 (setq rawtext (gnus-nov-field) ; from
3118 gnus-structured-field-decoder rawtext))
3119 (if (string= rawtext decoded)
3121 (put-text-property 0 (length decoded) 'raw-text rawtext decoded)
3123 (gnus-nov-field) ; date
3124 (or (gnus-nov-field)
3125 (nnheader-generate-fake-message-id)) ; id
3126 (gnus-nov-field) ; refs
3127 (gnus-nov-read-integer) ; chars
3128 (gnus-nov-read-integer) ; lines
3129 (unless (= (following-char) ?\n)
3130 (gnus-nov-field))))) ; misc
3134 (when gnus-alter-header-function
3135 (funcall gnus-alter-header-function header))
3136 (gnus-dependencies-add-header header dependencies force-new)))
3138 (defun gnus-build-get-header (id)
3139 ;; Look through the buffer of NOV lines and find the header to
3140 ;; ID. Enter this line into the dependencies hash table, and return
3141 ;; the id of the parent article (if any).
3142 (let ((deps gnus-newsgroup-dependencies)
3146 (set-buffer nntp-server-buffer)
3147 (let ((case-fold-search nil))
3148 (goto-char (point-min))
3149 (while (and (not found)
3150 (search-forward id nil t))
3152 (setq found (looking-at
3153 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
3154 (regexp-quote id))))
3155 (or found (beginning-of-line 2)))
3159 (setq header (gnus-nov-parse-line
3160 (read (current-buffer)) deps))
3161 (gnus-parent-id (mail-header-references header))))))
3163 (let ((number (mail-header-number header)))
3164 (push number gnus-newsgroup-limit)
3165 (push header gnus-newsgroup-headers)
3166 (if (memq number gnus-newsgroup-unselected)
3168 (push number gnus-newsgroup-unreads)
3169 (setq gnus-newsgroup-unselected
3170 (delq number gnus-newsgroup-unselected)))
3171 (push number gnus-newsgroup-ancient)))))))
3173 (defun gnus-build-all-threads ()
3174 "Read all the headers."
3175 (let ((gnus-summary-ignore-duplicates t)
3176 (dependencies gnus-newsgroup-dependencies)
3179 (set-buffer nntp-server-buffer)
3180 (let ((case-fold-search nil))
3181 (goto-char (point-min))
3184 (setq article (read (current-buffer))
3185 header (gnus-nov-parse-line
3186 article dependencies)))
3189 (set-buffer gnus-summary-buffer)
3190 (push header gnus-newsgroup-headers)
3191 (if (memq (setq article (mail-header-number header))
3192 gnus-newsgroup-unselected)
3194 (push article gnus-newsgroup-unreads)
3195 (setq gnus-newsgroup-unselected
3196 (delq article gnus-newsgroup-unselected)))
3197 (push article gnus-newsgroup-ancient)))
3198 (forward-line 1)))))))
3200 (defun gnus-summary-update-article-line (article header)
3201 "Update the line for ARTICLE using HEADERS."
3202 (let* ((id (mail-header-id header))
3203 (thread (gnus-id-to-thread id)))
3205 (error "Article in no thread"))
3206 ;; Update the thread.
3207 (setcar thread header)
3208 (gnus-summary-goto-subject article)
3209 (let* ((datal (gnus-data-find-list article))
3211 (length (when (cdr datal)
3212 (- (gnus-data-pos data)
3213 (gnus-data-pos (cadr datal)))))
3214 (buffer-read-only nil)
3215 (level (gnus-summary-thread-level)))
3217 (gnus-summary-insert-line
3218 header level nil (gnus-article-mark article)
3219 (memq article gnus-newsgroup-replied)
3220 (memq article gnus-newsgroup-expirable)
3221 ;; Only insert the Subject string when it's different
3222 ;; from the previous Subject string.
3223 (if (gnus-subject-equal
3225 (mail-header-subject
3228 (gnus-data-find-list
3230 (gnus-data-list t)))))
3231 ;; Error on the side of excessive subjects.
3233 (mail-header-subject header))
3235 (mail-header-subject header))
3236 nil (cdr (assq article gnus-newsgroup-scored))
3237 (memq article gnus-newsgroup-processable))
3239 (gnus-data-update-list
3240 (cdr datal) (- length (- (gnus-data-pos data) (point))))))))
3242 (defun gnus-summary-update-article (article &optional iheader)
3243 "Update ARTICLE in the summary buffer."
3244 (set-buffer gnus-summary-buffer)
3245 (let* ((header (gnus-summary-article-header article))
3246 (id (mail-header-id header))
3247 (data (gnus-data-find article))
3248 (thread (gnus-id-to-thread id))
3249 (references (mail-header-references header))
3253 (when (and references
3254 (not (equal "" references)))
3257 (buffer-read-only nil)
3263 (delq thread parent)))
3264 (if (gnus-summary-insert-subject id header)
3265 ;; Set the (possibly) new article number in the data structure.
3266 (gnus-data-set-number data (gnus-id-to-article id))
3270 (defun gnus-rebuild-thread (id &optional line)
3271 "Rebuild the thread containing ID.
3272 If LINE, insert the rebuilt thread starting on line LINE."
3273 (let ((buffer-read-only nil)
3274 old-pos current thread data)
3275 (if (not gnus-show-threads)
3276 (setq thread (list (car (gnus-id-to-thread id))))
3277 ;; Get the thread this article is part of.
3278 (setq thread (gnus-remove-thread id)))
3279 (setq old-pos (gnus-point-at-bol))
3280 (setq current (save-excursion
3281 (and (zerop (forward-line -1))
3282 (gnus-summary-article-number))))
3283 ;; If this is a gathered thread, we have to go some re-gathering.
3284 (when (stringp (car thread))
3285 (let ((subject (car thread))
3287 (setq thread (cdr thread))
3289 (unless (memq (setq thr (gnus-id-to-thread
3291 (mail-header-id (caar thread)))))
3294 (setq thread (cdr thread)))
3295 ;; We now have all (unique) roots.
3296 (if (= (length roots) 1)
3297 ;; All the loose roots are now one solid root.
3298 (setq thread (car roots))
3299 (setq thread (cons subject (gnus-sort-threads roots))))))
3301 ;; We then insert this thread into the summary buffer.
3303 (goto-char (point-min))
3304 (forward-line (1- line)))
3305 (let (gnus-newsgroup-data gnus-newsgroup-threads)
3306 (if gnus-show-threads
3307 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
3308 (gnus-summary-prepare-unthreaded thread))
3309 (setq data (nreverse gnus-newsgroup-data))
3310 (setq threads gnus-newsgroup-threads))
3311 ;; We splice the new data into the data structure.
3312 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
3313 ;;!!! then we want to insert at the beginning of the buffer.
3314 ;;!!! That happens to be true with Gnus now, but that may
3315 ;;!!! change in the future. Perhaps.
3316 (gnus-data-enter-list
3317 (if line nil current) data (- (point) old-pos))
3318 (setq gnus-newsgroup-threads
3319 (nconc threads gnus-newsgroup-threads))
3320 (gnus-data-compute-positions))))
3322 (defun gnus-number-to-header (number)
3323 "Return the header for article NUMBER."
3324 (let ((headers gnus-newsgroup-headers))
3326 (not (= number (mail-header-number (car headers)))))
3331 (defun gnus-parent-headers (in-headers &optional generation)
3332 "Return the headers of the GENERATIONeth parent of HEADERS."
3334 (setq generation 1))
3336 (headers in-headers)
3339 (not (zerop generation))
3340 (setq references (mail-header-references headers)))
3341 (setq headers (if (and references
3342 (setq parent (gnus-parent-id references)))
3343 (car (gnus-id-to-thread parent))
3346 (and (not (eq headers in-headers))
3349 (defun gnus-id-to-thread (id)
3350 "Return the (sub-)thread where ID appears."
3351 (gnus-gethash id gnus-newsgroup-dependencies))
3353 (defun gnus-id-to-article (id)
3354 "Return the article number of ID."
3355 (let ((thread (gnus-id-to-thread id)))
3358 (mail-header-number (car thread)))))
3360 (defun gnus-id-to-header (id)
3361 "Return the article headers of ID."
3362 (car (gnus-id-to-thread id)))
3364 (defun gnus-article-displayed-root-p (article)
3365 "Say whether ARTICLE is a root(ish) article."
3366 (let ((level (gnus-summary-thread-level article))
3367 (refs (mail-header-references (gnus-summary-article-header article)))
3373 ((null (gnus-parent-id refs)) t)
3375 (null (setq particle (gnus-id-to-article
3376 (gnus-parent-id refs))))
3377 (null (gnus-summary-thread-level particle)))))))
3379 (defun gnus-root-id (id)
3380 "Return the id of the root of the thread where ID appears."
3382 (while (and id (setq prev (car (gnus-id-to-thread id))))
3384 id (gnus-parent-id (mail-header-references prev))))
3387 (defun gnus-articles-in-thread (thread)
3388 "Return the list of articles in THREAD."
3389 (cons (mail-header-number (car thread))
3390 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
3392 (defun gnus-remove-thread (id &optional dont-remove)
3393 "Remove the thread that has ID in it."
3394 (let (headers thread last-id)
3395 ;; First go up in this thread until we find the root.
3396 (setq last-id (gnus-root-id id)
3397 headers (message-flatten-list (gnus-id-to-thread last-id)))
3398 ;; We have now found the real root of this thread. It might have
3399 ;; been gathered into some loose thread, so we have to search
3400 ;; through the threads to find the thread we wanted.
3401 (let ((threads gnus-newsgroup-threads)
3404 (setq sub (car threads))
3405 (if (stringp (car sub))
3406 ;; This is a gathered thread, so we look at the roots
3407 ;; below it to find whether this article is in this
3410 (setq sub (cdr sub))
3412 (when (member (caar sub) headers)
3413 (setq thread (car threads)
3416 (setq sub (cdr sub))))
3417 ;; It's an ordinary thread, so we check it.
3418 (when (eq (car sub) (car headers))
3421 (setq threads (cdr threads)))
3422 ;; If this article is in no thread, then it's a root.
3425 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
3426 (setq thread (gnus-id-to-thread last-id)))
3429 thread ; We return this thread.
3431 (if (stringp (car thread))
3433 ;; If we use dummy roots, then we have to remove the
3434 ;; dummy root as well.
3435 (when (eq gnus-summary-make-false-root 'dummy)
3436 ;; We go to the dummy root by going to
3437 ;; the first sub-"thread", and then one line up.
3438 (gnus-summary-goto-article
3439 (mail-header-number (caadr thread)))
3442 (gnus-data-compute-positions))
3443 (setq thread (cdr thread))
3445 (gnus-remove-thread-1 (car thread))
3446 (setq thread (cdr thread))))
3447 (gnus-summary-show-all-threads)
3448 (gnus-remove-thread-1 thread))))))))
3450 (defun gnus-remove-thread-1 (thread)
3451 "Remove the thread THREAD recursively."
3452 (let ((number (mail-header-number (pop thread)))
3454 (setq thread (reverse thread))
3456 (gnus-remove-thread-1 (pop thread)))
3457 (when (setq d (gnus-data-find number))
3458 (goto-char (gnus-data-pos d))
3461 (- (gnus-point-at-bol)
3463 (1+ (gnus-point-at-eol))
3464 (gnus-delete-line)))))))
3466 (defun gnus-sort-threads (threads)
3468 (if (not gnus-thread-sort-functions)
3470 (gnus-message 8 "Sorting threads...")
3472 (sort threads (gnus-make-sort-function gnus-thread-sort-functions))
3473 (gnus-message 8 "Sorting threads...done"))))
3475 (defun gnus-sort-articles (articles)
3477 (when gnus-article-sort-functions
3478 (gnus-message 7 "Sorting articles...")
3480 (setq gnus-newsgroup-headers
3481 (sort articles (gnus-make-sort-function
3482 gnus-article-sort-functions)))
3483 (gnus-message 7 "Sorting articles...done"))))
3485 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
3486 (defmacro gnus-thread-header (thread)
3487 ;; Return header of first article in THREAD.
3488 ;; Note that THREAD must never, ever be anything else than a variable -
3489 ;; using some other form will lead to serious barfage.
3490 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
3491 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
3492 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207" ;
3495 (defsubst gnus-article-sort-by-number (h1 h2)
3496 "Sort articles by article number."
3497 (< (mail-header-number h1)
3498 (mail-header-number h2)))
3500 (defun gnus-thread-sort-by-number (h1 h2)
3501 "Sort threads by root article number."
3502 (gnus-article-sort-by-number
3503 (gnus-thread-header h1) (gnus-thread-header h2)))
3505 (defsubst gnus-article-sort-by-lines (h1 h2)
3506 "Sort articles by article Lines header."
3507 (< (mail-header-lines h1)
3508 (mail-header-lines h2)))
3510 (defun gnus-thread-sort-by-lines (h1 h2)
3511 "Sort threads by root article Lines header."
3512 (gnus-article-sort-by-lines
3513 (gnus-thread-header h1) (gnus-thread-header h2)))
3515 (defsubst gnus-article-sort-by-author (h1 h2)
3516 "Sort articles by root author."
3518 (let ((extract (funcall
3519 gnus-extract-address-components
3520 (mail-header-from h1))))
3521 (or (car extract) (cadr extract) ""))
3522 (let ((extract (funcall
3523 gnus-extract-address-components
3524 (mail-header-from h2))))
3525 (or (car extract) (cadr extract) ""))))
3527 (defun gnus-thread-sort-by-author (h1 h2)
3528 "Sort threads by root author."
3529 (gnus-article-sort-by-author
3530 (gnus-thread-header h1) (gnus-thread-header h2)))
3532 (defsubst gnus-article-sort-by-subject (h1 h2)
3533 "Sort articles by root subject."
3535 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
3536 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
3538 (defun gnus-thread-sort-by-subject (h1 h2)
3539 "Sort threads by root subject."
3540 (gnus-article-sort-by-subject
3541 (gnus-thread-header h1) (gnus-thread-header h2)))
3543 (defsubst gnus-article-sort-by-date (h1 h2)
3544 "Sort articles by root article date."
3546 (gnus-date-get-time (mail-header-date h1))
3547 (gnus-date-get-time (mail-header-date h2))))
3549 (defun gnus-thread-sort-by-date (h1 h2)
3550 "Sort threads by root article date."
3551 (gnus-article-sort-by-date
3552 (gnus-thread-header h1) (gnus-thread-header h2)))
3554 (defsubst gnus-article-sort-by-score (h1 h2)
3555 "Sort articles by root article score.
3556 Unscored articles will be counted as having a score of zero."
3557 (> (or (cdr (assq (mail-header-number h1)
3558 gnus-newsgroup-scored))
3559 gnus-summary-default-score 0)
3560 (or (cdr (assq (mail-header-number h2)
3561 gnus-newsgroup-scored))
3562 gnus-summary-default-score 0)))
3564 (defun gnus-thread-sort-by-score (h1 h2)
3565 "Sort threads by root article score."
3566 (gnus-article-sort-by-score
3567 (gnus-thread-header h1) (gnus-thread-header h2)))
3569 (defun gnus-thread-sort-by-total-score (h1 h2)
3570 "Sort threads by the sum of all scores in the thread.
3571 Unscored articles will be counted as having a score of zero."
3572 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
3574 (defun gnus-thread-total-score (thread)
3575 ;; This function find the total score of THREAD.
3576 (cond ((null thread)
3579 (if (stringp (car thread))
3580 (apply gnus-thread-score-function 0
3581 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
3582 (gnus-thread-total-score-1 thread)))
3584 (gnus-thread-total-score-1 (list thread)))))
3586 (defun gnus-thread-total-score-1 (root)
3587 ;; This function find the total score of the thread below ROOT.
3588 (setq root (car root))
3589 (apply gnus-thread-score-function
3591 (mapcar 'gnus-thread-total-score
3592 (cdr (gnus-id-to-thread (mail-header-id root))))
3593 (when (> (mail-header-number root) 0)
3594 (list (or (cdr (assq (mail-header-number root)
3595 gnus-newsgroup-scored))
3596 gnus-summary-default-score 0))))
3597 (list gnus-summary-default-score)
3600 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
3601 (defvar gnus-tmp-prev-subject nil)
3602 (defvar gnus-tmp-false-parent nil)
3603 (defvar gnus-tmp-root-expunged nil)
3604 (defvar gnus-tmp-dummy-line nil)
3606 (defun gnus-summary-prepare-threads (threads)
3607 "Prepare summary buffer from THREADS and indentation LEVEL.
3608 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
3609 or a straight list of headers."
3610 (gnus-message 7 "Generating summary...")
3612 (setq gnus-newsgroup-threads threads)
3615 (let ((gnus-tmp-level 0)
3616 (default-score (or gnus-summary-default-score 0))
3617 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
3618 thread number subject stack state gnus-tmp-gathered beg-match
3619 new-roots gnus-tmp-new-adopts thread-end
3620 gnus-tmp-header gnus-tmp-unread
3621 gnus-tmp-replied gnus-tmp-subject-or-nil
3622 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
3623 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
3624 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket)
3626 (setq gnus-tmp-prev-subject nil)
3628 (if (vectorp (car threads))
3629 ;; If this is a straight (sic) list of headers, then a
3630 ;; threaded summary display isn't required, so we just create
3631 ;; an unthreaded one.
3632 (gnus-summary-prepare-unthreaded threads)
3634 ;; Do the threaded display.
3636 (while (or threads stack gnus-tmp-new-adopts new-roots)
3638 (if (and (= gnus-tmp-level 0)
3641 (not gnus-tmp-false-parent)
3642 (or gnus-tmp-new-adopts new-roots))
3643 (if gnus-tmp-new-adopts
3644 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
3645 thread (list (car gnus-tmp-new-adopts))
3646 gnus-tmp-header (caar thread)
3647 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
3649 (setq thread (list (car new-roots))
3650 gnus-tmp-header (caar thread)
3651 new-roots (cdr new-roots))))
3654 ;; If there are some threads, we do them before the
3655 ;; threads on the stack.
3656 (setq thread threads
3657 gnus-tmp-header (caar thread))
3658 ;; There were no current threads, so we pop something off
3660 (setq state (car stack)
3661 gnus-tmp-level (car state)
3664 gnus-tmp-header (caar thread))))
3666 (setq gnus-tmp-false-parent nil)
3667 (setq gnus-tmp-root-expunged nil)
3668 (setq thread-end nil)
3670 (if (stringp gnus-tmp-header)
3671 ;; The header is a dummy root.
3673 ((eq gnus-summary-make-false-root 'adopt)
3674 ;; We let the first article adopt the rest.
3675 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
3677 (setq gnus-tmp-gathered
3679 (lambda (h) (mail-header-number (car h)))
3682 (setq thread (cons (list (caar thread)
3685 (setq gnus-tmp-level -1
3686 gnus-tmp-false-parent t))
3687 ((eq gnus-summary-make-false-root 'empty)
3688 ;; We print adopted articles with empty subject fields.
3689 (setq gnus-tmp-gathered
3691 (lambda (h) (mail-header-number (car h)))
3694 (setq gnus-tmp-level -1))
3695 ((eq gnus-summary-make-false-root 'dummy)
3696 ;; We remember that we probably want to output a dummy
3698 (setq gnus-tmp-dummy-line gnus-tmp-header)
3699 (setq gnus-tmp-prev-subject gnus-tmp-header))
3701 ;; We do not make a root for the gathered
3702 ;; sub-threads at all.
3703 (setq gnus-tmp-level -1)))
3705 (setq number (mail-header-number gnus-tmp-header)
3706 subject (mail-header-subject gnus-tmp-header))
3709 ;; If the thread has changed subject, we might want to make
3710 ;; this subthread into a root.
3711 ((and (null gnus-thread-ignore-subject)
3712 (not (zerop gnus-tmp-level))
3713 gnus-tmp-prev-subject
3715 (gnus-subject-equal gnus-tmp-prev-subject subject))))
3716 (setq new-roots (nconc new-roots (list (car thread)))
3718 gnus-tmp-header nil))
3719 ;; If the article lies outside the current limit,
3720 ;; then we do not display it.
3721 ((not (memq number gnus-newsgroup-limit))
3722 (setq gnus-tmp-gathered
3724 (lambda (h) (mail-header-number (car h)))
3727 (setq gnus-tmp-new-adopts (if (cdar thread)
3728 (append gnus-tmp-new-adopts
3730 gnus-tmp-new-adopts)
3732 gnus-tmp-header nil)
3733 (when (zerop gnus-tmp-level)
3734 (setq gnus-tmp-root-expunged t)))
3735 ;; Perhaps this article is to be marked as read?
3736 ((and gnus-summary-mark-below
3737 (< (or (cdr (assq number gnus-newsgroup-scored))
3739 gnus-summary-mark-below)
3740 ;; Don't touch sparse articles.
3741 (not (gnus-summary-article-sparse-p number))
3742 (not (gnus-summary-article-ancient-p number)))
3743 (setq gnus-newsgroup-unreads
3744 (delq number gnus-newsgroup-unreads))
3745 (if gnus-newsgroup-auto-expire
3746 (push number gnus-newsgroup-expirable)
3747 (push (cons number gnus-low-score-mark)
3748 gnus-newsgroup-reads))))
3750 (when gnus-tmp-header
3751 ;; We may have an old dummy line to output before this
3753 (when (and gnus-tmp-dummy-line
3756 (mail-header-subject gnus-tmp-header)))
3757 (gnus-summary-insert-dummy-line
3758 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
3759 (setq gnus-tmp-dummy-line nil))
3761 ;; Compute the mark.
3762 (setq gnus-tmp-unread (gnus-article-mark number))
3764 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
3765 gnus-tmp-header gnus-tmp-level)
3766 gnus-newsgroup-data)
3768 ;; Actually insert the line.
3770 gnus-tmp-subject-or-nil
3772 ((and gnus-thread-ignore-subject
3773 gnus-tmp-prev-subject
3774 (not (inline (gnus-subject-equal
3775 gnus-tmp-prev-subject subject))))
3777 ((zerop gnus-tmp-level)
3778 (if (and (eq gnus-summary-make-false-root 'empty)
3779 (memq number gnus-tmp-gathered)
3780 gnus-tmp-prev-subject
3781 (inline (gnus-subject-equal
3782 gnus-tmp-prev-subject subject)))
3783 gnus-summary-same-subject
3785 (t gnus-summary-same-subject)))
3786 (if (and (eq gnus-summary-make-false-root 'adopt)
3787 (= gnus-tmp-level 1)
3788 (memq number gnus-tmp-gathered))
3789 (setq gnus-tmp-opening-bracket ?\<
3790 gnus-tmp-closing-bracket ?\>)
3791 (setq gnus-tmp-opening-bracket ?\[
3792 gnus-tmp-closing-bracket ?\]))
3794 gnus-tmp-indentation
3795 (aref gnus-thread-indent-array gnus-tmp-level)
3796 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
3797 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
3798 gnus-summary-default-score 0)
3800 (if (or (null gnus-summary-default-score)
3801 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3802 gnus-summary-zcore-fuzz))
3804 (if (< gnus-tmp-score gnus-summary-default-score)
3805 gnus-score-below-mark gnus-score-over-mark))
3807 (cond ((memq number gnus-newsgroup-processable)
3809 ((memq number gnus-newsgroup-cached)
3811 ((memq number gnus-newsgroup-replied)
3813 ((memq number gnus-newsgroup-saved)
3815 (t gnus-unread-mark))
3816 gnus-tmp-from (mail-header-from gnus-tmp-header)
3819 ((string-match "<[^>]+> *$" gnus-tmp-from)
3820 (setq beg-match (match-beginning 0))
3821 (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
3822 (substring gnus-tmp-from (1+ (match-beginning 0))
3823 (1- (match-end 0))))
3824 (substring gnus-tmp-from 0 beg-match)))
3825 ((string-match "(.+)" gnus-tmp-from)
3826 (substring gnus-tmp-from
3827 (1+ (match-beginning 0)) (1- (match-end 0))))
3829 (when (string= gnus-tmp-name "")
3830 (setq gnus-tmp-name gnus-tmp-from))
3831 (unless (numberp gnus-tmp-lines)
3832 (setq gnus-tmp-lines 0))
3833 (gnus-put-text-property
3835 (progn (eval gnus-summary-line-format-spec) (point))
3836 'gnus-number number)
3839 (gnus-run-hooks 'gnus-summary-update-hook)
3842 (setq gnus-tmp-prev-subject subject)))
3844 (when (nth 1 thread)
3845 (push (cons (max 0 gnus-tmp-level) (nthcdr 1 thread)) stack))
3846 (incf gnus-tmp-level)
3847 (setq threads (if thread-end nil (cdar thread)))
3849 (setq gnus-tmp-level 0)))))
3850 (gnus-message 7 "Generating summary...done"))
3852 (defun gnus-summary-prepare-unthreaded (headers)
3853 "Generate an unthreaded summary buffer based on HEADERS."
3854 (let (header number mark)
3859 ;; We may have to root out some bad articles...
3860 (when (memq (setq number (mail-header-number
3861 (setq header (pop headers))))
3862 gnus-newsgroup-limit)
3863 ;; Mark article as read when it has a low score.
3864 (when (and gnus-summary-mark-below
3865 (< (or (cdr (assq number gnus-newsgroup-scored))
3866 gnus-summary-default-score 0)
3867 gnus-summary-mark-below)
3868 (not (gnus-summary-article-ancient-p number)))
3869 (setq gnus-newsgroup-unreads
3870 (delq number gnus-newsgroup-unreads))
3871 (if gnus-newsgroup-auto-expire
3872 (push number gnus-newsgroup-expirable)
3873 (push (cons number gnus-low-score-mark)
3874 gnus-newsgroup-reads)))
3876 (setq mark (gnus-article-mark number))
3877 (push (gnus-data-make number mark (1+ (point)) header 0)
3878 gnus-newsgroup-data)
3879 (gnus-summary-insert-line
3881 mark (memq number gnus-newsgroup-replied)
3882 (memq number gnus-newsgroup-expirable)
3883 (mail-header-subject header) nil
3884 (cdr (assq number gnus-newsgroup-scored))
3885 (memq number gnus-newsgroup-processable))))))
3887 (defun gnus-select-newsgroup (group &optional read-all select-articles)
3888 "Select newsgroup GROUP.
3889 If READ-ALL is non-nil, all articles in the group are selected.
3890 If SELECT-ARTICLES, only select those articles from GROUP."
3891 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
3892 ;;!!! Dirty hack; should be removed.
3893 (gnus-summary-ignore-duplicates
3894 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
3896 gnus-summary-ignore-duplicates))
3897 (info (nth 2 entry))
3898 articles fetched-articles cached)
3900 (unless (gnus-check-server
3901 (setq gnus-current-select-method
3902 (gnus-find-method-for-group group)))
3903 (error "Couldn't open server"))
3905 (or (and entry (not (eq (car entry) t))) ; Either it's active...
3906 (gnus-activate-group group) ; Or we can activate it...
3907 (progn ; Or we bug out.
3908 (when (equal major-mode 'gnus-summary-mode)
3909 (kill-buffer (current-buffer)))
3910 (error "Couldn't request group %s: %s"
3911 group (gnus-status-message group))))
3913 (unless (gnus-request-group group t)
3914 (when (equal major-mode 'gnus-summary-mode)
3915 (kill-buffer (current-buffer)))
3916 (error "Couldn't request group %s: %s"
3917 group (gnus-status-message group)))
3919 (setq gnus-newsgroup-name group)
3920 (setq gnus-newsgroup-unselected nil)
3921 (setq gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
3923 ;; Adjust and set lists of article marks.
3925 (gnus-adjust-marked-articles info))
3927 ;; Kludge to avoid having cached articles nixed out in virtual groups.
3928 (when (gnus-virtual-group-p group)
3929 (setq cached gnus-newsgroup-cached))
3931 (setq gnus-newsgroup-unreads
3932 (gnus-set-difference
3933 (gnus-set-difference gnus-newsgroup-unreads gnus-newsgroup-marked)
3934 gnus-newsgroup-dormant))
3936 (setq gnus-newsgroup-processable nil)
3938 (gnus-update-read-articles group gnus-newsgroup-unreads)
3940 (if (setq articles select-articles)
3941 (setq gnus-newsgroup-unselected
3942 (gnus-sorted-intersection
3943 gnus-newsgroup-unreads
3944 (gnus-sorted-complement gnus-newsgroup-unreads articles)))
3945 (setq articles (gnus-articles-to-read group read-all)))
3949 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
3951 ((eq articles 0) nil)
3953 ;; Init the dependencies hash table.
3954 (setq gnus-newsgroup-dependencies
3955 (gnus-make-hashtable (length articles)))
3956 (gnus-set-global-variables)
3957 ;; Retrieve the headers and read them in.
3958 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
3959 (setq gnus-newsgroup-headers
3961 (setq gnus-headers-retrieved-by
3962 (gnus-retrieve-headers
3963 articles gnus-newsgroup-name
3964 ;; We might want to fetch old headers, but
3965 ;; not if there is only 1 article.
3967 (not (eq gnus-fetch-old-headers 'some))
3968 (not (numberp gnus-fetch-old-headers)))
3969 (> (length articles) 1))
3970 gnus-fetch-old-headers))))
3971 (gnus-get-newsgroup-headers-xover
3972 articles nil nil gnus-newsgroup-name t)
3973 (gnus-get-newsgroup-headers)))
3974 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name)
3976 ;; Kludge to avoid having cached articles nixed out in virtual groups.
3978 (setq gnus-newsgroup-cached cached))
3980 ;; Suppress duplicates?
3981 (when gnus-suppress-duplicates
3982 (gnus-dup-suppress-articles))
3984 ;; Set the initial limit.
3985 (setq gnus-newsgroup-limit (copy-sequence articles))
3986 ;; Remove canceled articles from the list of unread articles.
3987 (setq gnus-newsgroup-unreads
3988 (gnus-set-sorted-intersection
3989 gnus-newsgroup-unreads
3990 (setq fetched-articles
3991 (mapcar (lambda (headers) (mail-header-number headers))
3992 gnus-newsgroup-headers))))
3993 ;; Removed marked articles that do not exist.
3994 (gnus-update-missing-marks
3995 (gnus-sorted-complement fetched-articles articles))
3996 ;; We might want to build some more threads first.
3997 (when (and gnus-fetch-old-headers
3998 (eq gnus-headers-retrieved-by 'nov))
3999 (if (eq gnus-fetch-old-headers 'invisible)
4000 (gnus-build-all-threads)
4001 (gnus-build-old-threads)))
4002 ;; Let the Gnus agent mark articles as read.
4004 (gnus-agent-get-undownloaded-list))
4005 ;; Check whether auto-expire is to be done in this group.
4006 (setq gnus-newsgroup-auto-expire
4007 (gnus-group-auto-expirable-p group))
4008 ;; Set up the article buffer now, if necessary.
4009 (unless gnus-single-article-buffer
4010 (gnus-article-setup-buffer))
4011 ;; First and last article in this newsgroup.
4012 (when gnus-newsgroup-headers
4013 (setq gnus-newsgroup-begin
4014 (mail-header-number (car gnus-newsgroup-headers))
4017 (gnus-last-element gnus-newsgroup-headers))))
4018 ;; GROUP is successfully selected.
4019 (or gnus-newsgroup-headers t)))))
4021 (defun gnus-articles-to-read (group &optional read-all)
4022 ;; Find out what articles the user wants to read.
4024 ;; Select all articles if `read-all' is non-nil, or if there
4025 ;; are no unread articles.
4027 (and (zerop (length gnus-newsgroup-marked))
4028 (zerop (length gnus-newsgroup-unreads)))
4029 (eq (gnus-group-find-parameter group 'display)
4031 (gnus-uncompress-range (gnus-active group))
4032 (sort (append gnus-newsgroup-dormant gnus-newsgroup-marked
4033 (copy-sequence gnus-newsgroup-unreads))
4035 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
4036 (scored (length scored-list))
4037 (number (length articles))
4038 (marked (+ (length gnus-newsgroup-marked)
4039 (length gnus-newsgroup-dormant)))
4047 ((and (or (<= scored marked) (= scored number))
4048 (numberp gnus-large-newsgroup)
4049 (> number gnus-large-newsgroup))
4053 "How many articles from %s (default %d): "
4054 (gnus-limit-string gnus-newsgroup-name 35)
4056 (if (string-match "^[ \t]*$" input) number input)))
4057 ((and (> scored marked) (< scored number)
4058 (> (- scored number) 20))
4061 (format "%s %s (%d scored, %d total): "
4062 "How many articles from"
4063 group scored number))))
4064 (if (string-match "^[ \t]*$" input)
4068 (setq select (if (stringp select) (string-to-number select) select))
4069 (if (or (null select) (zerop select))
4071 (if (and (not (zerop scored)) (<= (abs select) scored))
4073 (setq articles (sort scored-list '<))
4074 (setq number (length articles)))
4075 (setq articles (copy-sequence articles)))
4077 (when (< (abs select) number)
4079 ;; Select the N oldest articles.
4080 (setcdr (nthcdr (1- (abs select)) articles) nil)
4081 ;; Select the N most recent articles.
4082 (setq articles (nthcdr (- number select) articles))))
4083 (setq gnus-newsgroup-unselected
4084 (gnus-sorted-intersection
4085 gnus-newsgroup-unreads
4086 (gnus-sorted-complement gnus-newsgroup-unreads articles)))
4089 (defun gnus-killed-articles (killed articles)
4092 (when (inline (gnus-member-of-range (car articles) killed))
4093 (push (car articles) out))
4094 (setq articles (cdr articles)))
4097 (defun gnus-uncompress-marks (marks)
4098 "Uncompress the mark ranges in MARKS."
4099 (let ((uncompressed '(score bookmark))
4102 (if (memq (caar marks) uncompressed)
4103 (push (car marks) out)
4104 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
4105 (setq marks (cdr marks)))
4108 (defun gnus-adjust-marked-articles (info)
4109 "Set all article lists and remove all marks that are no longer legal."
4110 (let* ((marked-lists (gnus-info-marks info))
4111 (active (gnus-active (gnus-info-group info)))
4114 (types gnus-article-mark-lists)
4115 (uncompressed '(score bookmark killed))
4116 marks var articles article mark)
4119 (setq marks (pop marked-lists))
4120 (set (setq var (intern (format "gnus-newsgroup-%s"
4121 (car (rassq (setq mark (car marks))
4123 (if (memq (car marks) uncompressed) (cdr marks)
4124 (gnus-uncompress-range (cdr marks))))
4126 (setq articles (symbol-value var))
4128 ;; All articles have to be subsets of the active articles.
4130 ;; Adjust "simple" lists.
4131 ((memq mark '(tick dormant expire reply save))
4133 (when (or (< (setq article (pop articles)) min) (> article max))
4134 (set var (delq article (symbol-value var))))))
4136 ((memq mark uncompressed)
4137 (when (not (listp (cdr (symbol-value var))))
4138 (set var (list (symbol-value var))))
4139 (when (not (listp (cdr articles)))
4140 (setq articles (list articles)))
4142 (when (or (not (consp (setq article (pop articles))))
4143 (< (car article) min)
4144 (> (car article) max))
4145 (set var (delq article (symbol-value var))))))))))
4147 (defun gnus-update-missing-marks (missing)
4148 "Go through the list of MISSING articles and remove them from the mark lists."
4150 (let ((types gnus-article-mark-lists)
4152 ;; Go through all types.
4154 (setq var (intern (format "gnus-newsgroup-%s" (car (pop types)))))
4155 (when (symbol-value var)
4156 ;; This list has articles. So we delete all missing articles
4160 (set var (delq (pop m) (symbol-value var)))))))))
4162 (defun gnus-update-marks ()
4163 "Enter the various lists of marked articles into the newsgroup info list."
4164 (let ((types gnus-article-mark-lists)
4165 (info (gnus-get-info gnus-newsgroup-name))
4166 (uncompressed '(score bookmark killed))
4167 type list newmarked symbol delta-marks)
4169 ;; Add all marks lists that are non-nil to the list of marks lists.
4170 (while (setq type (pop types))
4171 (when (setq list (symbol-value
4173 (intern (format "gnus-newsgroup-%s"
4176 ;; Get rid of the entries of the articles that have the
4178 (when (and (eq (cdr type) 'score)
4182 (prev (cons nil list))
4185 (if (or (not (consp (car arts)))
4186 (= (cdar arts) gnus-summary-default-score))
4187 (setcdr prev (cdr arts))
4189 (setq arts (cdr arts)))
4190 (setq list (cdr all))))
4192 (push (cons (cdr type)
4193 (if (memq (cdr type) uncompressed) list
4194 (gnus-compress-sequence
4195 (set symbol (sort list '<)) t)))
4198 ;; Enter these new marks into the info of the group.
4200 (setcar (nthcdr 3 info) newmarked)
4201 ;; Add the marks lists to the end of the info.
4203 (setcdr (nthcdr 2 info) (list newmarked))))
4205 ;; Cut off the end of the info if there's nothing else there.
4209 (when (nthcdr (decf i) info)
4210 (setcdr (nthcdr i info) nil)))))))
4212 (defun gnus-set-mode-line (where)
4213 "This function sets the mode line of the article or summary buffers.
4214 If WHERE is `summary', the summary mode line format will be used."
4215 ;; Is this mode line one we keep updated?
4216 (when (memq where gnus-updated-mode-lines)
4219 ;; We evaluate this in the summary buffer since these
4220 ;; variables are buffer-local to that buffer.
4221 (set-buffer gnus-summary-buffer)
4222 ;; We bind all these variables that are used in the `eval' form
4224 (let* ((mformat (symbol-value
4226 (format "gnus-%s-mode-line-format-spec" where))))
4227 (gnus-tmp-group-name gnus-newsgroup-name)
4228 (gnus-tmp-article-number (or gnus-current-article 0))
4229 (gnus-tmp-unread gnus-newsgroup-unreads)
4230 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
4231 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
4232 (gnus-tmp-unread-and-unselected
4233 (cond ((and (zerop gnus-tmp-unread-and-unticked)
4234 (zerop gnus-tmp-unselected))
4236 ((zerop gnus-tmp-unselected)
4237 (format "{%d more}" gnus-tmp-unread-and-unticked))
4238 (t (format "{%d(+%d) more}"
4239 gnus-tmp-unread-and-unticked
4240 gnus-tmp-unselected))))
4242 (if (and gnus-current-headers
4243 (vectorp gnus-current-headers))
4244 (gnus-mode-string-quote
4245 (mail-header-subject gnus-current-headers))
4247 bufname-length max-len
4248 gnus-tmp-header);; passed as argument to any user-format-funcs
4249 (setq mode-string (eval mformat))
4250 (setq bufname-length (if (string-match "%b" mode-string)
4253 (if (eq where 'summary)
4255 (get-buffer gnus-article-buffer))))
4258 (setq max-len (max 4 (if gnus-mode-non-string-length
4260 gnus-mode-non-string-length
4262 (length mode-string))))
4263 ;; We might have to chop a bit of the string off...
4264 (when (> (length mode-string) max-len)
4266 (concat (gnus-truncate-string mode-string (- max-len 3))
4268 ;; Pad the mode string a bit.
4269 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
4270 ;; Update the mode line.
4271 (setq mode-line-buffer-identification
4272 (gnus-mode-line-buffer-identification (list mode-string)))
4273 (set-buffer-modified-p t))))
4275 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
4276 "Go through the HEADERS list and add all Xrefs to a hash table.
4277 The resulting hash table is returned, or nil if no Xrefs were found."
4278 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
4279 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
4280 (xref-hashtb (gnus-make-hashtable))
4281 start group entry number xrefs header)
4283 (setq header (pop headers))
4284 (when (and (setq xrefs (mail-header-xref header))
4285 (not (memq (setq number (mail-header-number header))
4288 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
4289 (setq start (match-end 0))
4290 (setq group (if prefix
4291 (concat prefix (substring xrefs (match-beginning 1)
4293 (substring xrefs (match-beginning 1) (match-end 1))))
4295 (string-to-int (substring xrefs (match-beginning 2)
4297 (if (setq entry (gnus-gethash group xref-hashtb))
4298 (setcdr entry (cons number (cdr entry)))
4299 (gnus-sethash group (cons number nil) xref-hashtb)))))
4300 (and start xref-hashtb)))
4302 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
4303 "Look through all the headers and mark the Xrefs as read."
4304 (let ((virtual (gnus-virtual-group-p from-newsgroup))
4305 name entry info xref-hashtb idlist method nth4)
4307 (set-buffer gnus-group-buffer)
4308 (when (setq xref-hashtb
4309 (gnus-create-xref-hashtb from-newsgroup headers unreads))
4312 (unless (string= from-newsgroup (setq name (symbol-name group)))
4313 (setq idlist (symbol-value group))
4314 ;; Dead groups are not updated.
4316 (setq entry (gnus-gethash name gnus-newsrc-hashtb)
4318 (when (stringp (setq nth4 (gnus-info-method info)))
4319 (setq nth4 (gnus-server-to-method nth4))))
4320 ;; Only do the xrefs if the group has the same
4321 ;; select method as the group we have just read.
4322 (or (gnus-methods-equal-p
4323 nth4 (gnus-find-method-for-group from-newsgroup))
4325 (equal nth4 (setq method (gnus-find-method-for-group
4327 (and (equal (car nth4) (car method))
4328 (equal (nth 1 nth4) (nth 1 method))))
4329 gnus-use-cross-reference
4330 (or (not (eq gnus-use-cross-reference t))
4332 ;; Only do cross-references on subscribed
4333 ;; groups, if that is what is wanted.
4334 (<= (gnus-info-level info) gnus-level-subscribed))
4335 (gnus-group-make-articles-read name idlist))))
4338 (defun gnus-compute-read-articles (group articles)
4339 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
4340 (info (nth 2 entry))
4341 (active (gnus-active group))
4344 ;; First peel off all illegal article numbers.
4346 (let ((ids articles)
4348 (while (setq id (pop ids))
4349 (when (and first (> id (cdr active)))
4350 ;; We'll end up in this situation in one particular
4351 ;; obscure situation. If you re-scan a group and get
4352 ;; a new article that is cross-posted to a different
4353 ;; group that has not been re-scanned, you might get
4354 ;; crossposted article that has a higher number than
4355 ;; Gnus believes possible. So we re-activate this
4356 ;; group as well. This might mean doing the
4357 ;; crossposting thingy will *increase* the number
4358 ;; of articles in some groups. Tsk, tsk.
4359 (setq active (or (gnus-activate-group group) active)))
4360 (when (or (> id (cdr active))
4361 (< id (car active)))
4362 (setq articles (delq id articles))))))
4363 ;; If the read list is nil, we init it.
4365 (null (gnus-info-read info))
4367 (setq ninfo (cons 1 (1- (car active))))
4368 (setq ninfo (gnus-info-read info)))
4369 ;; Then we add the read articles to the range.
4371 ninfo (setq articles (sort articles '<))))))
4373 (defun gnus-group-make-articles-read (group articles)
4374 "Update the info of GROUP to say that ARTICLES are read."
4376 (entry (gnus-gethash group gnus-newsrc-hashtb))
4377 (info (nth 2 entry))
4378 (active (gnus-active group))
4381 (setq range (gnus-compute-read-articles group articles))
4383 (set-buffer gnus-group-buffer)
4386 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
4387 (gnus-info-set-read ',info ',(gnus-info-read info))
4388 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
4389 (gnus-group-update-group ,group t))))
4390 ;; Add the read articles to the range.
4391 (gnus-info-set-read info range)
4392 ;; Then we have to re-compute how many unread
4393 ;; articles there are in this group.
4397 (setq num (- (1+ (cdr active)) (car active))))
4398 ((not (listp (cdr range)))
4399 (setq num (- (cdr active) (- (1+ (cdr range))
4403 (if (numberp (car range))
4405 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
4406 (setq range (cdr range)))
4407 (setq num (- (cdr active) num))))
4408 ;; Update the number of unread articles.
4410 ;; Update the group buffer.
4411 (gnus-group-update-group group t)))))
4413 (defun gnus-methods-equal-p (m1 m2)
4414 (let ((m1 (or m1 gnus-select-method))
4415 (m2 (or m2 gnus-select-method)))
4417 (and (eq (car m1) (car m2))
4418 (or (not (memq 'address (assoc (symbol-name (car m1))
4419 gnus-valid-select-methods)))
4420 (equal (nth 1 m1) (nth 1 m2)))))))
4422 (defvar gnus-newsgroup-none-id 0)
4424 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
4425 (let ((cur nntp-server-buffer)
4428 (save-excursion (set-buffer gnus-summary-buffer)
4429 gnus-newsgroup-dependencies)))
4432 (set-buffer nntp-server-buffer)
4433 ;; Translate all TAB characters into SPACE characters.
4434 (subst-char-in-region (point-min) (point-max) ?\t ? t)
4435 (gnus-run-hooks 'gnus-parse-headers-hook)
4436 (let ((case-fold-search t)
4438 in-reply-to header p lines chars)
4439 (goto-char (point-min))
4440 ;; Search to the beginning of the next header. Error messages
4441 ;; do not begin with 2 or 3.
4442 (while (re-search-forward "^[23][0-9]+ " nil t)
4445 ;; This implementation of this function, with nine
4446 ;; search-forwards instead of the one re-search-forward and
4447 ;; a case (which basically was the old function) is actually
4448 ;; about twice as fast, even though it looks messier. You
4449 ;; can't have everything, I guess. Speed and elegance
4450 ;; doesn't always go hand in hand.
4459 (narrow-to-region (point)
4460 (or (and (search-forward "\n.\n" nil t)
4466 (if (search-forward "\nsubject: " nil t)
4468 (setq rawtext (nnheader-header-value)
4470 gnus-unstructured-field-decoder rawtext))
4471 (if (string-equal rawtext decoded)
4473 (put-text-property 0 (length decoded) 'raw-text rawtext decoded)
4479 (if (search-forward "\nfrom: " nil t)
4481 (setq rawtext (nnheader-header-value)
4483 gnus-structured-field-decoder rawtext))
4484 (if (string-equal rawtext decoded)
4486 (put-text-property 0 (length decoded) 'raw-text rawtext decoded)
4492 (if (search-forward "\ndate: " nil t)
4493 (nnheader-header-value) ""))
4497 (setq id (if (re-search-forward
4498 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
4499 ;; We do it this way to make sure the Message-ID
4500 ;; is (somewhat) syntactically valid.
4501 (buffer-substring (match-beginning 1)
4503 ;; If there was no message-id, we just fake one
4504 ;; to make subsequent routines simpler.
4505 (nnheader-generate-fake-message-id))))
4509 (if (search-forward "\nreferences: " nil t)
4513 (nnheader-header-value)
4518 (search-backward ">" end t)
4521 (search-backward "<" end t)
4523 ;; Get the references from the in-reply-to header if there
4524 ;; were no references and the in-reply-to header looks
4526 (if (and (search-forward "\nin-reply-to: " nil t)
4527 (setq in-reply-to (nnheader-header-value))
4528 (string-match "<[^>]+>" in-reply-to))
4530 (setq ref (substring in-reply-to (match-beginning 0)
4532 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
4533 (setq ref2 (substring in-reply-to (match-beginning 0)
4535 (when (> (length ref2) (length ref))
4542 (if (search-forward "\nchars: " nil t)
4543 (if (numberp (setq chars (ignore-errors (read cur))))
4549 (if (search-forward "\nlines: " nil t)
4550 (if (numberp (setq lines (ignore-errors (read cur))))
4556 (and (search-forward "\nxref: " nil t)
4557 (nnheader-header-value)))))
4558 (when (equal id ref)
4561 (when gnus-alter-header-function
4562 (funcall gnus-alter-header-function header)
4563 (setq id (mail-header-id header)
4564 ref (gnus-parent-id (mail-header-references header))))
4567 (gnus-dependencies-add-header
4568 header dependencies force-new))
4569 (push header headers))
4570 (goto-char (point-max))
4572 (nreverse headers)))))
4574 ;; Goes through the xover lines and returns a list of vectors
4575 (defun gnus-get-newsgroup-headers-xover (sequence &optional
4576 force-new dependencies
4577 group also-fetch-heads)
4578 "Parse the news overview data in the server buffer, and return a
4579 list of headers that match SEQUENCE (see `nntp-retrieve-headers')."
4580 ;; Get the Xref when the users reads the articles since most/some
4581 ;; NNTP servers do not include Xrefs when using XOVER.
4582 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
4583 (let ((cur nntp-server-buffer)
4584 (dependencies (or dependencies gnus-newsgroup-dependencies))
4585 number headers header)
4587 (set-buffer nntp-server-buffer)
4588 ;; Allow the user to mangle the headers before parsing them.
4589 (gnus-run-hooks 'gnus-parse-headers-hook)
4590 (goto-char (point-min))
4593 (while (and sequence (not (eobp)))
4594 (setq number (read cur))
4595 (while (and sequence
4596 (< (car sequence) number))
4597 (setq sequence (cdr sequence)))
4599 (eq number (car sequence))
4601 (setq sequence (cdr sequence))
4602 (setq header (inline
4603 (gnus-nov-parse-line
4604 number dependencies force-new))))
4605 (push header headers))
4608 (gnus-error 4 "Strange nov line (%d)"
4609 (count-lines (point-min) (point)))))
4611 ;; A common bug in inn is that if you have posted an article and
4612 ;; then retrieves the active file, it will answer correctly --
4613 ;; the new article is included. However, a NOV entry for the
4614 ;; article may not have been generated yet, so this may fail.
4615 ;; We work around this problem by retrieving the last few
4616 ;; headers using HEAD.
4617 (if (or (not also-fetch-heads)
4619 ;; We (probably) got all the headers.
4621 (let ((gnus-nov-is-evil t))
4624 (when (gnus-retrieve-headers sequence group)
4625 (gnus-get-newsgroup-headers))))))))
4627 (defun gnus-article-get-xrefs ()
4628 "Fill in the Xref value in `gnus-current-headers', if necessary.
4629 This is meant to be called in `gnus-article-internal-prepare-hook'."
4630 (let ((headers (save-excursion (set-buffer gnus-summary-buffer)
4631 gnus-current-headers)))
4632 (or (not gnus-use-cross-reference)
4634 (and (mail-header-xref headers)
4635 (not (string= (mail-header-xref headers) "")))
4636 (let ((case-fold-search t)
4639 (nnheader-narrow-to-headers)
4640 (goto-char (point-min))
4641 (when (or (and (eq (downcase (following-char)) ?x)
4642 (looking-at "Xref:"))
4643 (search-forward "\nXref:" nil t))
4644 (goto-char (1+ (match-end 0)))
4645 (setq xref (buffer-substring (point)
4646 (progn (end-of-line) (point))))
4647 (mail-header-set-xref headers xref)))))))
4649 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
4650 "Find article ID and insert the summary line for that article.
4651 OLD-HEADER can either be a header or a line number to insert
4652 the subject line on."
4653 (let* ((line (and (numberp old-header) old-header))
4654 (old-header (and (vectorp old-header) old-header))
4655 (header (cond ((and old-header use-old-header)
4658 (gnus-number-to-header id))
4659 (gnus-number-to-header id))
4661 (gnus-read-header id))))
4662 (number (and (numberp id) id))
4665 ;; Rebuild the thread that this article is part of and go to the
4666 ;; article we have fetched.
4667 (when (and (not gnus-show-threads)
4670 (setq d (gnus-data-find (mail-header-number old-header))))
4671 (goto-char (gnus-data-pos d))
4674 (- (gnus-point-at-bol)
4676 (1+ (gnus-point-at-eol))
4677 (gnus-delete-line))))))
4679 (mail-header-set-number header (mail-header-number old-header)))
4680 (setq gnus-newsgroup-sparse
4681 (delq (setq number (mail-header-number header))
4682 gnus-newsgroup-sparse))
4683 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
4684 (push number gnus-newsgroup-limit)
4685 (gnus-rebuild-thread (mail-header-id header) line)
4686 (gnus-summary-goto-subject number nil t))
4687 (when (and (numberp number)
4689 ;; We have to update the boundaries even if we can't fetch the
4690 ;; article if ID is a number -- so that the next `P' or `N'
4691 ;; command will fetch the previous (or next) article even
4692 ;; if the one we tried to fetch this time has been canceled.
4693 (when (> number gnus-newsgroup-end)
4694 (setq gnus-newsgroup-end number))
4695 (when (< number gnus-newsgroup-begin)
4696 (setq gnus-newsgroup-begin number))
4697 (setq gnus-newsgroup-unselected
4698 (delq number gnus-newsgroup-unselected)))
4699 ;; Report back a success?
4700 (and header (mail-header-number header))))
4702 ;;; Process/prefix in the summary buffer
4704 (defun gnus-summary-work-articles (n)
4705 "Return a list of articles to be worked upon.
4706 The prefix argument, the list of process marked articles, and the
4707 current article will be taken into consideration."
4709 (set-buffer gnus-summary-buffer)
4712 ;; A numerical prefix has been given.
4713 (setq n (prefix-numeric-value n))
4714 (let ((backward (< n 0))
4715 (n (abs (prefix-numeric-value n)))
4720 (push (setq article (gnus-summary-article-number))
4723 (gnus-summary-find-prev nil article)
4724 (gnus-summary-find-next nil article)))
4726 (nreverse articles)))
4727 ((and (gnus-region-active-p) (mark))
4728 (message "region active")
4729 ;; Work on the region between point and mark.
4730 (let ((max (max (point) (mark)))
4733 (goto-char (min (point) (mark)))
4736 (push (setq article (gnus-summary-article-number)) articles)
4737 (gnus-summary-find-next nil article)
4739 (nreverse articles))))
4740 (gnus-newsgroup-processable
4741 ;; There are process-marked articles present.
4742 ;; Save current state.
4743 (gnus-summary-save-process-mark)
4745 (reverse gnus-newsgroup-processable))
4747 ;; Just return the current article.
4748 (list (gnus-summary-article-number))))))
4750 (defmacro gnus-summary-iterate (arg &rest forms)
4751 "Iterate over the process/prefixed articles and do FORMS.
4752 ARG is the interactive prefix given to the command. FORMS will be
4753 executed with point over the summary line of the articles."
4754 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
4755 `(let ((,articles (gnus-summary-work-articles ,arg)))
4757 (gnus-summary-goto-subject (car ,articles))
4760 (put 'gnus-summary-iterate 'lisp-indent-function 1)
4761 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
4763 (defun gnus-summary-save-process-mark ()
4764 "Push the current set of process marked articles on the stack."
4766 (push (copy-sequence gnus-newsgroup-processable)
4767 gnus-newsgroup-process-stack))
4769 (defun gnus-summary-kill-process-mark ()
4770 "Push the current set of process marked articles on the stack and unmark."
4772 (gnus-summary-save-process-mark)
4773 (gnus-summary-unmark-all-processable))
4775 (defun gnus-summary-yank-process-mark ()
4776 "Pop the last process mark state off the stack and restore it."
4778 (unless gnus-newsgroup-process-stack
4779 (error "Empty mark stack"))
4780 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
4782 (defun gnus-summary-process-mark-set (set)
4783 "Make SET into the current process marked articles."
4784 (gnus-summary-unmark-all-processable)
4786 (gnus-summary-set-process-mark (pop set))))
4788 ;;; Searching and stuff
4790 (defun gnus-summary-search-group (&optional backward use-level)
4791 "Search for next unread newsgroup.
4792 If optional argument BACKWARD is non-nil, search backward instead."
4794 (set-buffer gnus-group-buffer)
4795 (when (gnus-group-search-forward
4796 backward nil (if use-level (gnus-group-group-level) nil))
4797 (gnus-group-group-name))))
4799 (defun gnus-summary-best-group (&optional exclude-group)
4800 "Find the name of the best unread group.
4801 If EXCLUDE-GROUP, do not go to this group."
4803 (set-buffer gnus-group-buffer)
4805 (gnus-group-best-unread-group exclude-group))))
4807 (defun gnus-summary-find-next (&optional unread article backward undownloaded)
4808 (if backward (gnus-summary-find-prev)
4809 (let* ((dummy (gnus-summary-article-intangible-p))
4810 (article (or article (gnus-summary-article-number)))
4811 (arts (gnus-data-find-list article))
4813 (when (and (not dummy)
4814 (or (not gnus-summary-check-current)
4816 (not (gnus-data-unread-p (car arts)))))
4817 (setq arts (cdr arts)))
4822 (when (or (and undownloaded
4823 (eq gnus-undownloaded-mark
4824 (gnus-data-mark (car arts))))
4825 (gnus-data-unread-p (car arts)))
4826 (setq result (car arts)
4828 (setq arts (cdr arts)))
4831 (goto-char (gnus-data-pos result))
4832 (gnus-data-number result)))))
4834 (defun gnus-summary-find-prev (&optional unread article)
4835 (let* ((eobp (eobp))
4836 (article (or article (gnus-summary-article-number)))
4837 (arts (gnus-data-find-list article (gnus-data-list 'rev)))
4839 (when (and (not eobp)
4840 (or (not gnus-summary-check-current)
4842 (not (gnus-data-unread-p (car arts)))))
4843 (setq arts (cdr arts)))
4848 (when (gnus-data-unread-p (car arts))
4849 (setq result (car arts)
4851 (setq arts (cdr arts)))
4854 (goto-char (gnus-data-pos result))
4855 (gnus-data-number result))))
4857 (defun gnus-summary-find-subject (subject &optional unread backward article)
4858 (let* ((simp-subject (gnus-simplify-subject-fully subject))
4859 (article (or article (gnus-summary-article-number)))
4860 (articles (gnus-data-list backward))
4861 (arts (gnus-data-find-list article articles))
4863 (when (or (not gnus-summary-check-current)
4865 (not (gnus-data-unread-p (car arts))))
4866 (setq arts (cdr arts)))
4868 (and (or (not unread)
4869 (gnus-data-unread-p (car arts)))
4870 (vectorp (gnus-data-header (car arts)))
4872 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
4873 (setq result (car arts)
4875 (setq arts (cdr arts)))
4877 (goto-char (gnus-data-pos result))
4878 (gnus-data-number result))))
4880 (defun gnus-summary-search-forward (&optional unread subject backward)
4881 "Search forward for an article.
4882 If UNREAD, look for unread articles. If SUBJECT, look for
4883 articles with that subject. If BACKWARD, search backward instead."
4884 (cond (subject (gnus-summary-find-subject subject unread backward))
4885 (backward (gnus-summary-find-prev unread))
4886 (t (gnus-summary-find-next unread))))
4888 (defun gnus-recenter (&optional n)
4889 "Center point in window and redisplay frame.
4890 Also do horizontal recentering."
4892 (when (and gnus-auto-center-summary
4893 (not (eq gnus-auto-center-summary 'vertical)))
4894 (gnus-horizontal-recenter))
4897 (defun gnus-summary-recenter ()
4898 "Center point in the summary window.
4899 If `gnus-auto-center-summary' is nil, or the article buffer isn't
4900 displayed, no centering will be performed."
4901 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
4902 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
4903 (let* ((top (cond ((< (window-height) 4) 0)
4904 ((< (window-height) 7) 1)
4906 (height (1- (window-height)))
4907 (bottom (save-excursion (goto-char (point-max))
4908 (forward-line (- height))
4910 (window (get-buffer-window (current-buffer))))
4911 ;; The user has to want it.
4912 (when gnus-auto-center-summary
4913 (when (get-buffer-window gnus-article-buffer)
4914 ;; Only do recentering when the article buffer is displayed,
4915 ;; Set the window start to either `bottom', which is the biggest
4916 ;; possible valid number, or the second line from the top,
4917 ;; whichever is the least.
4919 window (min bottom (save-excursion
4920 (forward-line (- top)) (point)))))
4921 ;; Do horizontal recentering while we're at it.
4922 (when (and (get-buffer-window (current-buffer) t)
4923 (not (eq gnus-auto-center-summary 'vertical)))
4924 (let ((selected (selected-window)))
4925 (select-window (get-buffer-window (current-buffer) t))
4926 (gnus-summary-position-point)
4927 (gnus-horizontal-recenter)
4928 (select-window selected))))))
4930 (defun gnus-summary-jump-to-group (newsgroup)
4931 "Move point to NEWSGROUP in group mode buffer."
4932 ;; Keep update point of group mode buffer if visible.
4933 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
4934 (save-window-excursion
4935 ;; Take care of tree window mode.
4936 (when (get-buffer-window gnus-group-buffer)
4937 (pop-to-buffer gnus-group-buffer))
4938 (gnus-group-jump-to-group newsgroup))
4940 ;; Take care of tree window mode.
4941 (if (get-buffer-window gnus-group-buffer)
4942 (pop-to-buffer gnus-group-buffer)
4943 (set-buffer gnus-group-buffer))
4944 (gnus-group-jump-to-group newsgroup))))
4946 ;; This function returns a list of article numbers based on the
4947 ;; difference between the ranges of read articles in this group and
4948 ;; the range of active articles.
4949 (defun gnus-list-of-unread-articles (group)
4950 (let* ((read (gnus-info-read (gnus-get-info group)))
4951 (active (or (gnus-active group) (gnus-activate-group group)))
4954 ;; If none are read, then all are unread.
4956 (setq first (car active))
4957 ;; If the range of read articles is a single range, then the
4958 ;; first unread article is the article after the last read
4959 ;; article. Sounds logical, doesn't it?
4960 (if (not (listp (cdr read)))
4961 (setq first (max (car active) (1+ (cdr read))))
4962 ;; `read' is a list of ranges.
4963 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
4966 (setq first (car active)))
4969 (while (< first nlast)
4971 (setq first (1+ first))))
4972 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
4973 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
4974 (setq read (cdr read)))))
4975 ;; And add the last unread articles.
4976 (while (<= first last)
4978 (setq first (1+ first)))
4979 ;; Return the list of unread articles.
4980 (delq 0 (nreverse unread))))
4982 (defun gnus-list-of-read-articles (group)
4983 "Return a list of unread, unticked and non-dormant articles."
4984 (let* ((info (gnus-get-info group))
4985 (marked (gnus-info-marks info))
4986 (active (gnus-active group)))
4988 (gnus-set-difference
4989 (gnus-sorted-complement
4990 (gnus-uncompress-range active)
4991 (gnus-list-of-unread-articles group))
4993 (gnus-uncompress-range (cdr (assq 'dormant marked)))
4994 (gnus-uncompress-range (cdr (assq 'tick marked))))))))
4996 ;; Various summary commands
4998 (defun gnus-summary-select-article-buffer ()
4999 "Reconfigure windows to show article buffer."
5001 (if (not (gnus-buffer-live-p gnus-article-buffer))
5002 (error "There is no article buffer for this summary buffer")
5003 (gnus-configure-windows 'article)
5004 (select-window (get-buffer-window gnus-article-buffer))))
5006 (defun gnus-summary-universal-argument (arg)
5007 "Perform any operation on all articles that are process/prefixed."
5009 (let ((articles (gnus-summary-work-articles arg))
5016 (substitute-command-keys
5017 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"
5020 (gnus-error 1 "Undefined key")
5023 (gnus-summary-goto-subject (setq article (pop articles)))
5024 (let (gnus-newsgroup-processable)
5025 (command-execute func))
5026 (gnus-summary-remove-process-mark article)))))
5027 (gnus-summary-position-point))
5029 (defun gnus-summary-toggle-truncation (&optional arg)
5030 "Toggle truncation of summary lines.
5031 With arg, turn line truncation on iff arg is positive."
5033 (setq truncate-lines
5034 (if (null arg) (not truncate-lines)
5035 (> (prefix-numeric-value arg) 0)))
5038 (defun gnus-summary-reselect-current-group (&optional all rescan)
5039 "Exit and then reselect the current newsgroup.
5040 The prefix argument ALL means to select all articles."
5042 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
5043 (error "Ephemeral groups can't be reselected"))
5044 (let ((current-subject (gnus-summary-article-number))
5045 (group gnus-newsgroup-name))
5046 (setq gnus-newsgroup-begin nil)
5048 ;; We have to adjust the point of group mode buffer because
5049 ;; point was moved to the next unread newsgroup by exiting.
5050 (gnus-summary-jump-to-group group)
5053 (gnus-group-get-new-news-this-group 1)))
5054 (gnus-group-read-group all t)
5055 (gnus-summary-goto-subject current-subject nil t)))
5057 (defun gnus-summary-rescan-group (&optional all)
5058 "Exit the newsgroup, ask for new articles, and select the newsgroup."
5060 (gnus-summary-reselect-current-group all t))
5062 (defun gnus-summary-update-info (&optional non-destructive)
5064 (let ((group gnus-newsgroup-name))
5066 (when gnus-newsgroup-kill-headers
5067 (setq gnus-newsgroup-killed
5068 (gnus-compress-sequence
5070 (gnus-set-sorted-intersection
5071 (gnus-uncompress-range gnus-newsgroup-killed)
5072 (setq gnus-newsgroup-unselected
5073 (sort gnus-newsgroup-unselected '<)))
5074 (setq gnus-newsgroup-unreads
5075 (sort gnus-newsgroup-unreads '<)))
5077 (unless (listp (cdr gnus-newsgroup-killed))
5078 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
5079 (let ((headers gnus-newsgroup-headers))
5080 ;; Set the new ranges of read articles.
5082 (set-buffer gnus-group-buffer)
5083 (gnus-undo-force-boundary))
5084 (gnus-update-read-articles
5085 group (append gnus-newsgroup-unreads gnus-newsgroup-unselected))
5086 ;; Set the current article marks.
5087 (let ((gnus-newsgroup-scored
5088 (if (and (not gnus-save-score)
5089 (not non-destructive))
5091 gnus-newsgroup-scored)))
5093 (gnus-update-marks)))
5094 ;; Do the cross-ref thing.
5095 (when gnus-use-cross-reference
5096 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
5097 ;; Do not switch windows but change the buffer to work.
5098 (set-buffer gnus-group-buffer)
5099 (unless (gnus-ephemeral-group-p group)
5100 (gnus-group-update-group group)))))))
5102 (defun gnus-summary-save-newsrc (&optional force)
5103 "Save the current number of read/marked articles in the dribble buffer.
5104 The dribble buffer will then be saved.
5105 If FORCE (the prefix), also save the .newsrc file(s)."
5107 (gnus-summary-update-info t)
5109 (gnus-save-newsrc-file)
5110 (gnus-dribble-save)))
5112 (defun gnus-summary-exit (&optional temporary)
5113 "Exit reading current newsgroup, and then return to group selection mode.
5114 gnus-exit-group-hook is called with no arguments if that value is non-nil."
5116 (gnus-set-global-variables)
5117 (gnus-kill-save-kill-buffer)
5118 (gnus-async-halt-prefetch)
5119 (let* ((group gnus-newsgroup-name)
5120 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
5123 (buf (current-buffer)))
5124 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
5125 ;; If we have several article buffers, we kill them at exit.
5126 (unless gnus-single-article-buffer
5127 (gnus-kill-buffer gnus-original-article-buffer)
5128 (setq gnus-article-current nil))
5129 (when gnus-use-cache
5130 (gnus-cache-possibly-remove-articles)
5131 (gnus-cache-save-buffers))
5132 (gnus-async-prefetch-remove-group group)
5133 (when gnus-suppress-duplicates
5134 (gnus-dup-enter-articles))
5135 (when gnus-use-trees
5136 (gnus-tree-close group))
5137 ;; Remove entries for this group.
5138 (nnmail-purge-split-history (gnus-group-real-name group))
5139 ;; Make all changes in this group permanent.
5141 (gnus-run-hooks 'gnus-exit-group-hook)
5142 (gnus-summary-update-info)
5143 ;; Do adaptive scoring, and possibly save score files.
5144 (when gnus-newsgroup-adaptive
5145 (gnus-score-adaptive))
5146 (when gnus-use-scoring
5148 (gnus-close-group group)
5149 ;; Make sure where we were, and go to next newsgroup.
5150 (set-buffer gnus-group-buffer)
5152 (gnus-group-jump-to-group group))
5153 (gnus-run-hooks 'gnus-summary-exit-hook)
5154 (unless (or quit-config
5155 ;; If this group has disappeared from the summary
5156 ;; buffer, don't skip forwards.
5157 (not (string= group (gnus-group-group-name))))
5158 (gnus-group-next-unread-group 1))
5159 (setq group-point (point))
5162 ;; If we have several article buffers, we kill them at exit.
5163 (unless gnus-single-article-buffer
5164 (gnus-kill-buffer gnus-article-buffer)
5165 (gnus-kill-buffer gnus-original-article-buffer)
5166 (setq gnus-article-current nil))
5168 (if (not gnus-kill-summary-on-exit)
5169 (gnus-deaden-summary)
5170 ;; We set all buffer-local variables to nil. It is unclear why
5171 ;; this is needed, but if we don't, buffer-local variables are
5172 ;; not garbage-collected, it seems. This would the lead to en
5173 ;; ever-growing Emacs.
5174 (gnus-summary-clear-local-variables)
5175 (when (get-buffer gnus-article-buffer)
5176 (bury-buffer gnus-article-buffer))
5177 ;; We clear the global counterparts of the buffer-local
5178 ;; variables as well, just to be on the safe side.
5179 (set-buffer gnus-group-buffer)
5180 (gnus-summary-clear-local-variables)
5181 ;; Return to group mode buffer.
5182 (when (eq mode 'gnus-summary-mode)
5183 (gnus-kill-buffer buf)))
5184 (setq gnus-current-select-method gnus-select-method)
5185 (pop-to-buffer gnus-group-buffer)
5186 (if (not quit-config)
5188 (goto-char group-point)
5189 (gnus-configure-windows 'group 'force))
5190 (gnus-handle-ephemeral-exit quit-config))
5191 ;; Clear the current group name.
5193 (setq gnus-newsgroup-name nil)))))
5195 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
5196 (defun gnus-summary-exit-no-update (&optional no-questions)
5197 "Quit reading current newsgroup without updating read article info."
5199 (let* ((group gnus-newsgroup-name)
5200 (quit-config (gnus-group-quit-config group)))
5201 (when (or no-questions
5203 (gnus-y-or-n-p "Discard changes to this group and exit? "))
5204 (gnus-async-halt-prefetch)
5205 (gnus-run-hooks (delq 'gnus-summary-expire-articles
5206 (copy-list gnus-summary-prepare-exit-hook)))
5207 ;; If we have several article buffers, we kill them at exit.
5208 (unless gnus-single-article-buffer
5209 (gnus-kill-buffer gnus-article-buffer)
5210 (gnus-kill-buffer gnus-original-article-buffer)
5211 (setq gnus-article-current nil))
5212 (if (not gnus-kill-summary-on-exit)
5213 (gnus-deaden-summary)
5214 (gnus-close-group group)
5215 (gnus-summary-clear-local-variables)
5216 (set-buffer gnus-group-buffer)
5217 (gnus-summary-clear-local-variables)
5218 (when (get-buffer gnus-summary-buffer)
5219 (kill-buffer gnus-summary-buffer)))
5220 (unless gnus-single-article-buffer
5221 (setq gnus-article-current nil))
5222 (when gnus-use-trees
5223 (gnus-tree-close group))
5224 (gnus-async-prefetch-remove-group group)
5225 (when (get-buffer gnus-article-buffer)
5226 (bury-buffer gnus-article-buffer))
5227 ;; Return to the group buffer.
5228 (gnus-configure-windows 'group 'force)
5229 ;; Clear the current group name.
5230 (setq gnus-newsgroup-name nil)
5231 (when (equal (gnus-group-group-name) group)
5232 (gnus-group-next-unread-group 1))
5234 (gnus-handle-ephemeral-exit quit-config)))))
5236 (defun gnus-handle-ephemeral-exit (quit-config)
5237 "Handle movement when leaving an ephemeral group.
5238 The state which existed when entering the ephemeral is reset."
5239 (if (not (buffer-name (car quit-config)))
5240 (gnus-configure-windows 'group 'force)
5241 (set-buffer (car quit-config))
5242 (cond ((eq major-mode 'gnus-summary-mode)
5243 (gnus-set-global-variables))
5244 ((eq major-mode 'gnus-article-mode)
5246 ;; The `gnus-summary-buffer' variable may point
5247 ;; to the old summary buffer when using a single
5249 (unless (gnus-buffer-live-p gnus-summary-buffer)
5250 (set-buffer gnus-group-buffer))
5251 (set-buffer gnus-summary-buffer)
5252 (gnus-set-global-variables))))
5253 (if (or (eq (cdr quit-config) 'article)
5254 (eq (cdr quit-config) 'pick))
5256 ;; The current article may be from the ephemeral group
5257 ;; thus it is best that we reload this article
5258 (gnus-summary-show-article)
5259 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
5260 (gnus-configure-windows 'pick 'force)
5261 (gnus-configure-windows (cdr quit-config) 'force)))
5262 (gnus-configure-windows (cdr quit-config) 'force))
5263 (when (eq major-mode 'gnus-summary-mode)
5264 (gnus-summary-next-subject 1 nil t)
5265 (gnus-summary-recenter)
5266 (gnus-summary-position-point))))
5268 (defun gnus-summary-preview-mime-message (arg)
5269 "MIME decode and play this message."
5272 (let ((gnus-break-pages nil)
5274 (gnus-summary-select-article t t)
5276 (select-window (get-buffer-window gnus-article-buffer))
5281 (defvar gnus-dead-summary-mode-map nil)
5283 (unless gnus-dead-summary-mode-map
5284 (setq gnus-dead-summary-mode-map (make-keymap))
5285 (suppress-keymap gnus-dead-summary-mode-map)
5286 (substitute-key-definition
5287 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
5288 (let ((keys '("\C-d" "\r" "\177" [delete])))
5290 (define-key gnus-dead-summary-mode-map
5291 (pop keys) 'gnus-summary-wake-up-the-dead))))
5293 (defvar gnus-dead-summary-mode nil
5294 "Minor mode for Gnus summary buffers.")
5296 (defun gnus-dead-summary-mode (&optional arg)
5297 "Minor mode for Gnus summary buffers."
5299 (when (eq major-mode 'gnus-summary-mode)
5300 (make-local-variable 'gnus-dead-summary-mode)
5301 (setq gnus-dead-summary-mode
5302 (if (null arg) (not gnus-dead-summary-mode)
5303 (> (prefix-numeric-value arg) 0)))
5304 (when gnus-dead-summary-mode
5305 (gnus-add-minor-mode
5306 'gnus-dead-summary-mode " Dead" gnus-dead-summary-mode-map))))
5308 (defun gnus-deaden-summary ()
5309 "Make the current summary buffer into a dead summary buffer."
5310 ;; Kill any previous dead summary buffer.
5311 (when (and gnus-dead-summary
5312 (buffer-name gnus-dead-summary))
5314 (set-buffer gnus-dead-summary)
5315 (when gnus-dead-summary-mode
5316 (kill-buffer (current-buffer)))))
5317 ;; Make this the current dead summary.
5318 (setq gnus-dead-summary (current-buffer))
5319 (gnus-dead-summary-mode 1)
5320 (let ((name (buffer-name)))
5321 (when (string-match "Summary" name)
5323 (concat (substring name 0 (match-beginning 0)) "Dead "
5324 (substring name (match-beginning 0)))
5327 (defun gnus-kill-or-deaden-summary (buffer)
5328 "Kill or deaden the summary BUFFER."
5330 (when (and (buffer-name buffer)
5331 (not gnus-single-article-buffer))
5334 (gnus-kill-buffer gnus-article-buffer)
5335 (gnus-kill-buffer gnus-original-article-buffer)))
5336 (cond (gnus-kill-summary-on-exit
5337 (when (and gnus-use-trees
5338 (gnus-buffer-exists-p buffer))
5341 (gnus-tree-close gnus-newsgroup-name)))
5342 (gnus-kill-buffer buffer))
5343 ((gnus-buffer-exists-p buffer)
5346 (gnus-deaden-summary))))))
5348 (defun gnus-summary-wake-up-the-dead (&rest args)
5349 "Wake up the dead summary buffer."
5351 (gnus-dead-summary-mode -1)
5352 (let ((name (buffer-name)))
5353 (when (string-match "Dead " name)
5355 (concat (substring name 0 (match-beginning 0))
5356 (substring name (match-end 0)))
5358 (gnus-message 3 "This dead summary is now alive again"))
5360 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
5361 (defun gnus-summary-fetch-faq (&optional faq-dir)
5362 "Fetch the FAQ for the current group.
5363 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
5367 (when current-prefix-arg
5369 "Faq dir: " (and (listp gnus-group-faq-directory)
5370 (mapcar (lambda (file) (list file))
5371 gnus-group-faq-directory))))))
5372 (let (gnus-faq-buffer)
5373 (when (setq gnus-faq-buffer
5374 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
5375 (gnus-configure-windows 'summary-faq))))
5377 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
5378 (defun gnus-summary-describe-group (&optional force)
5379 "Describe the current newsgroup."
5381 (gnus-group-describe-group force gnus-newsgroup-name))
5383 (defun gnus-summary-describe-briefly ()
5384 "Describe summary mode commands briefly."
5387 (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")))
5389 ;; Walking around group mode buffer from summary mode.
5391 (defun gnus-summary-next-group (&optional no-article target-group backward)
5392 "Exit current newsgroup and then select next unread newsgroup.
5393 If prefix argument NO-ARTICLE is non-nil, no article is selected
5394 initially. If NEXT-GROUP, go to this group. If BACKWARD, go to
5395 previous group instead."
5397 ;; Stop pre-fetching.
5398 (gnus-async-halt-prefetch)
5399 (let ((current-group gnus-newsgroup-name)
5400 (current-buffer (current-buffer))
5402 ;; First we semi-exit this group to update Xrefs and all variables.
5403 ;; We can't do a real exit, because the window conf must remain
5404 ;; the same in case the user is prompted for info, and we don't
5405 ;; want the window conf to change before that...
5406 (gnus-summary-exit t)
5407 (while (not entered)
5408 ;; Then we find what group we are supposed to enter.
5409 (set-buffer gnus-group-buffer)
5410 (gnus-group-jump-to-group current-group)
5413 (if (eq gnus-keep-same-level 'best)
5414 (gnus-summary-best-group gnus-newsgroup-name)
5415 (gnus-summary-search-group backward gnus-keep-same-level))))
5416 (if (not target-group)
5417 ;; There are no further groups, so we return to the group
5420 (gnus-message 5 "Returning to the group buffer")
5422 (when (gnus-buffer-live-p current-buffer)
5423 (set-buffer current-buffer)
5424 (gnus-summary-exit))
5425 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
5426 ;; We try to enter the target group.
5427 (gnus-group-jump-to-group target-group)
5428 (let ((unreads (gnus-group-group-unread)))
5429 (if (and (or (eq t unreads)
5430 (and unreads (not (zerop unreads))))
5431 (gnus-summary-read-group
5432 target-group nil no-article
5433 (and (buffer-name current-buffer) current-buffer)
5436 (setq current-group target-group
5437 target-group nil)))))))
5439 (defun gnus-summary-prev-group (&optional no-article)
5440 "Exit current newsgroup and then select previous unread newsgroup.
5441 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
5443 (gnus-summary-next-group no-article nil t))
5445 ;; Walking around summary lines.
5447 (defun gnus-summary-first-subject (&optional unread undownloaded)
5448 "Go to the first unread subject.
5449 If UNREAD is non-nil, go to the first unread article.
5450 Returns the article selected or nil if there are no unread articles."
5455 ((null gnus-newsgroup-data)
5456 (gnus-message 3 "No articles in the group")
5458 ;; Pick the first article.
5460 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
5461 (gnus-data-number (car gnus-newsgroup-data)))
5462 ;; No unread articles.
5463 ((null gnus-newsgroup-unreads)
5464 (gnus-message 3 "No more unread articles")
5466 ;; Find the first unread article.
5468 (let ((data gnus-newsgroup-data))
5470 (and (not (and undownloaded
5471 (eq gnus-undownloaded-mark
5472 (gnus-data-mark (car data)))))
5473 (not (gnus-data-unread-p (car data)))))
5474 (setq data (cdr data)))
5476 (goto-char (gnus-data-pos (car data)))
5477 (gnus-data-number (car data))))))
5478 (gnus-summary-position-point)))
5480 (defun gnus-summary-next-subject (n &optional unread dont-display)
5481 "Go to next N'th summary line.
5482 If N is negative, go to the previous N'th subject line.
5483 If UNREAD is non-nil, only unread articles are selected.
5484 The difference between N and the actual number of steps taken is
5487 (let ((backward (< n 0))
5491 (gnus-summary-find-prev unread)
5492 (gnus-summary-find-next unread)))
5493 (gnus-summary-show-thread)
5496 (gnus-message 7 "No more%s articles"
5497 (if unread " unread" "")))
5498 (unless dont-display
5499 (gnus-summary-recenter)
5500 (gnus-summary-position-point))
5503 (defun gnus-summary-next-unread-subject (n)
5504 "Go to next N'th unread summary line."
5506 (gnus-summary-next-subject n t))
5508 (defun gnus-summary-prev-subject (n &optional unread)
5509 "Go to previous N'th summary line.
5510 If optional argument UNREAD is non-nil, only unread article is selected."
5512 (gnus-summary-next-subject (- n) unread))
5514 (defun gnus-summary-prev-unread-subject (n)
5515 "Go to previous N'th unread summary line."
5517 (gnus-summary-next-subject (- n) t))
5519 (defun gnus-summary-goto-subject (article &optional force silent)
5520 "Go the subject line of ARTICLE.
5521 If FORCE, also allow jumping to articles not currently shown."
5522 (interactive "nArticle number: ")
5524 (data (gnus-data-find article)))
5525 ;; We read in the article if we have to.
5528 (gnus-summary-insert-subject
5530 (if (or (numberp force) (vectorp force)) force)
5532 (setq data (gnus-data-find article)))
5537 (gnus-message 3 "Can't find article %d" article))
5539 (goto-char (gnus-data-pos data))
5540 (gnus-summary-position-point)
5543 ;; Walking around summary lines with displaying articles.
5545 (defun gnus-summary-expand-window (&optional arg)
5546 "Make the summary buffer take up the entire Emacs frame.
5547 Given a prefix, will force an `article' buffer configuration."
5550 (gnus-configure-windows 'article 'force)
5551 (gnus-configure-windows 'summary 'force)))
5553 (defun gnus-summary-display-article (article &optional all-header)
5554 "Display ARTICLE in article buffer."
5555 (gnus-set-global-variables)
5559 (if gnus-summary-display-article-function
5560 (funcall gnus-summary-display-article-function article all-header)
5561 (gnus-article-prepare article all-header))
5562 (gnus-run-hooks 'gnus-select-article-hook)
5563 (when (and gnus-current-article
5564 (not (zerop gnus-current-article)))
5565 (gnus-summary-goto-subject gnus-current-article))
5566 (gnus-summary-recenter)
5567 (when (and gnus-use-trees gnus-show-threads)
5568 (gnus-possibly-generate-tree article)
5569 (gnus-highlight-selected-tree article))
5570 ;; Successfully display article.
5571 (gnus-article-set-window-start
5572 (cdr (assq article gnus-newsgroup-bookmarks))))))
5574 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
5575 "Select the current article.
5576 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
5577 non-nil, the article will be re-fetched even if it already present in
5578 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
5580 ;; Make sure we are in the summary buffer to work around bbdb bug.
5581 (unless (eq major-mode 'gnus-summary-mode)
5582 (set-buffer gnus-summary-buffer))
5583 (let ((article (or article (gnus-summary-article-number)))
5584 (all-headers (not (not all-headers))) ;Must be T or NIL.
5585 gnus-summary-display-article-function
5588 (gnus-summary-article-pseudo-p article)
5589 (error "This is a pseudo-article"))
5592 (set-buffer gnus-summary-buffer)
5593 (if (or (and gnus-single-article-buffer
5594 (or (null gnus-current-article)
5595 (null gnus-article-current)
5596 (null (get-buffer gnus-article-buffer))
5597 (not (eq article (cdr gnus-article-current)))
5598 (not (equal (car gnus-article-current)
5599 gnus-newsgroup-name))))
5600 (and (not gnus-single-article-buffer)
5601 (or (null gnus-current-article)
5602 (not (eq gnus-current-article article))))
5604 ;; The requested article is different from the current article.
5606 (gnus-summary-display-article article all-headers)
5608 (when (or all-headers gnus-show-all-headers)
5609 (gnus-article-show-all-headers))
5612 (gnus-article-set-window-start
5613 (cdr (assq article gnus-newsgroup-bookmarks)))))))
5615 (defun gnus-summary-set-current-mark (&optional current-mark)
5616 "Obsolete function."
5619 (defun gnus-summary-next-article (&optional unread subject backward push)
5620 "Select the next article.
5621 If UNREAD, only unread articles are selected.
5622 If SUBJECT, only articles with SUBJECT are selected.
5623 If BACKWARD, the previous article is selected instead of the next."
5626 ;; Is there such an article?
5627 ((and (gnus-summary-search-forward unread subject backward)
5628 (or (gnus-summary-display-article (gnus-summary-article-number))
5629 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
5630 (gnus-summary-position-point))
5631 ;; If not, we try the first unread, if that is wanted.
5633 gnus-auto-select-same
5634 (gnus-summary-first-unread-article))
5635 (gnus-summary-position-point)
5636 (gnus-message 6 "Wrapped"))
5637 ;; Try to get next/previous article not displayed in this group.
5638 ((and gnus-auto-extend-newsgroup
5639 (not unread) (not subject))
5640 (gnus-summary-goto-article
5641 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
5642 nil (count-lines (point-min) (point))))
5643 ;; Go to next/previous group.
5645 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
5646 (gnus-summary-jump-to-group gnus-newsgroup-name))
5647 (let ((cmd last-command-char)
5650 (set-buffer gnus-group-buffer)
5653 (if (eq gnus-keep-same-level 'best)
5654 (gnus-summary-best-group gnus-newsgroup-name)
5655 (gnus-summary-search-group backward gnus-keep-same-level))))
5656 ;; For some reason, the group window gets selected. We change
5658 (select-window (get-buffer-window (current-buffer)))
5659 ;; Select next unread newsgroup automagically.
5661 ((or (not gnus-auto-select-next)
5663 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
5664 ((or (eq gnus-auto-select-next 'quietly)
5665 (and (eq gnus-auto-select-next 'slightly-quietly)
5667 (and (eq gnus-auto-select-next 'almost-quietly)
5668 (gnus-summary-last-article-p)))
5670 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
5672 (gnus-message 7 "No more%s articles (%s)..."
5673 (if unread " unread" "")
5674 (if group (concat "selecting " group)
5676 (gnus-summary-next-group nil group backward)))
5678 (when (gnus-key-press-event-p last-input-event)
5679 (gnus-summary-walk-group-buffer
5680 gnus-newsgroup-name cmd unread backward point))))))))
5682 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
5683 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
5684 (?\C-p (gnus-group-prev-unread-group 1))))
5685 (cursor-in-echo-area t)
5686 keve key group ended)
5688 (set-buffer gnus-group-buffer)
5691 (if (eq gnus-keep-same-level 'best)
5692 (gnus-summary-best-group gnus-newsgroup-name)
5693 (gnus-summary-search-group backward gnus-keep-same-level))))
5696 5 "No more%s articles%s" (if unread " unread" "")
5698 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
5699 (format " (Type %s for %s [%s])"
5700 (single-key-description cmd) group
5701 (car (gnus-gethash group gnus-newsrc-hashtb)))
5702 (format " (Type %s to exit %s)"
5703 (single-key-description cmd)
5704 gnus-newsgroup-name)))
5705 ;; Confirm auto selection.
5706 (setq key (car (setq keve (gnus-read-event-char))))
5709 ((assq key keystrokes)
5710 (let ((obuf (current-buffer)))
5711 (switch-to-buffer gnus-group-buffer)
5713 (gnus-group-jump-to-group group))
5714 (eval (cadr (assq key keystrokes)))
5715 (setq group (gnus-group-group-name))
5716 (switch-to-buffer obuf))
5720 (gnus-ephemeral-group-p gnus-newsgroup-name))
5722 (gnus-summary-next-group nil group backward)))
5724 (push (cdr keve) unread-command-events))))))
5726 (defun gnus-summary-next-unread-article ()
5727 "Select unread article after current one."
5729 (gnus-summary-next-article
5730 (or (not (eq gnus-summary-goto-unread 'never))
5731 (gnus-summary-last-article-p (gnus-summary-article-number)))
5732 (and gnus-auto-select-same
5733 (gnus-summary-article-subject))))
5735 (defun gnus-summary-prev-article (&optional unread subject)
5736 "Select the article after the current one.
5737 If UNREAD is non-nil, only unread articles are selected."
5739 (gnus-summary-next-article unread subject t))
5741 (defun gnus-summary-prev-unread-article ()
5742 "Select unread article before current one."
5744 (gnus-summary-prev-article
5745 (or (not (eq gnus-summary-goto-unread 'never))
5746 (gnus-summary-first-article-p (gnus-summary-article-number)))
5747 (and gnus-auto-select-same
5748 (gnus-summary-article-subject))))
5750 (defun gnus-summary-next-page (&optional lines circular)
5751 "Show next page of the selected article.
5752 If at the end of the current article, select the next article.
5753 LINES says how many lines should be scrolled up.
5755 If CIRCULAR is non-nil, go to the start of the article instead of
5756 selecting the next article when reaching the end of the current
5759 (setq gnus-summary-buffer (current-buffer))
5760 (gnus-set-global-variables)
5761 (let ((article (gnus-summary-article-number))
5762 (article-window (get-buffer-window gnus-article-buffer t))
5764 ;; If the buffer is empty, we have no article.
5766 (error "No article to select"))
5767 (gnus-configure-windows 'article)
5768 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
5769 (if (and (eq gnus-summary-goto-unread 'never)
5770 (not (gnus-summary-last-article-p article)))
5771 (gnus-summary-next-article)
5772 (gnus-summary-next-unread-article))
5773 (if (or (null gnus-current-article)
5774 (null gnus-article-current)
5775 (/= article (cdr gnus-article-current))
5776 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
5777 ;; Selected subject is different from current article's.
5778 (gnus-summary-display-article article)
5779 (when article-window
5780 (gnus-eval-in-buffer-window gnus-article-buffer
5781 (setq endp (gnus-article-next-page lines)))
5784 (gnus-summary-beginning-of-article))
5786 (gnus-message 3 "End of message"))
5788 (if (and (eq gnus-summary-goto-unread 'never)
5789 (not (gnus-summary-last-article-p article)))
5790 (gnus-summary-next-article)
5791 (gnus-summary-next-unread-article))))))))
5792 (gnus-summary-recenter)
5793 (gnus-summary-position-point)))
5795 (defun gnus-summary-prev-page (&optional lines move)
5796 "Show previous page of selected article.
5797 Argument LINES specifies lines to be scrolled down.
5798 If MOVE, move to the previous unread article if point is at
5799 the beginning of the buffer."
5801 (let ((article (gnus-summary-article-number))
5802 (article-window (get-buffer-window gnus-article-buffer t))
5804 (gnus-configure-windows 'article)
5805 (if (or (null gnus-current-article)
5806 (null gnus-article-current)
5807 (/= article (cdr gnus-article-current))
5808 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
5809 ;; Selected subject is different from current article's.
5810 (gnus-summary-display-article article)
5811 (gnus-summary-recenter)
5812 (when article-window
5813 (gnus-eval-in-buffer-window gnus-article-buffer
5814 (setq endp (gnus-article-prev-page lines)))
5815 (when (and move endp)
5817 (gnus-message 3 "Beginning of message"))
5819 (if (and (eq gnus-summary-goto-unread 'never)
5820 (not (gnus-summary-first-article-p article)))
5821 (gnus-summary-prev-article)
5822 (gnus-summary-prev-unread-article))))))))
5823 (gnus-summary-position-point))
5825 (defun gnus-summary-prev-page-or-article (&optional lines)
5826 "Show previous page of selected article.
5827 Argument LINES specifies lines to be scrolled down.
5828 If at the beginning of the article, go to the next article."
5830 (gnus-summary-prev-page lines t))
5832 (defun gnus-summary-scroll-up (lines)
5833 "Scroll up (or down) one line current article.
5834 Argument LINES specifies lines to be scrolled up (or down if negative)."
5836 (gnus-configure-windows 'article)
5837 (gnus-summary-show-thread)
5838 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
5839 (gnus-eval-in-buffer-window gnus-article-buffer
5841 (when (gnus-article-next-page lines)
5842 (gnus-message 3 "End of message")))
5844 (gnus-article-prev-page (- lines))))))
5845 (gnus-summary-recenter)
5846 (gnus-summary-position-point))
5848 (defun gnus-summary-scroll-down (lines)
5849 "Scroll down (or up) one line current article.
5850 Argument LINES specifies lines to be scrolled down (or up if negative)."
5852 (gnus-summary-scroll-up (- lines)))
5854 (defun gnus-summary-next-same-subject ()
5855 "Select next article which has the same subject as current one."
5857 (gnus-summary-next-article nil (gnus-summary-article-subject)))
5859 (defun gnus-summary-prev-same-subject ()
5860 "Select previous article which has the same subject as current one."
5862 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
5864 (defun gnus-summary-next-unread-same-subject ()
5865 "Select next unread article which has the same subject as current one."
5867 (gnus-summary-next-article t (gnus-summary-article-subject)))
5869 (defun gnus-summary-prev-unread-same-subject ()
5870 "Select previous unread article which has the same subject as current one."
5872 (gnus-summary-prev-article t (gnus-summary-article-subject)))
5874 (defun gnus-summary-first-unread-article ()
5875 "Select the first unread article.
5876 Return nil if there are no unread articles."
5879 (when (gnus-summary-first-subject t)
5880 (gnus-summary-show-thread)
5881 (gnus-summary-first-subject t)
5882 (gnus-summary-display-article (gnus-summary-article-number)))
5883 (gnus-summary-position-point)))
5885 (defun gnus-summary-first-unread-subject ()
5886 "Place the point on the subject line of the first unread article.
5887 Return nil if there are no unread articles."
5890 (when (gnus-summary-first-subject t)
5891 (gnus-summary-show-thread)
5892 (gnus-summary-first-subject t))
5893 (gnus-summary-position-point)))
5895 (defun gnus-summary-first-article ()
5896 "Select the first article.
5897 Return nil if there are no articles."
5900 (when (gnus-summary-first-subject)
5901 (gnus-summary-show-thread)
5902 (gnus-summary-first-subject)
5903 (gnus-summary-display-article (gnus-summary-article-number)))
5904 (gnus-summary-position-point)))
5906 (defun gnus-summary-best-unread-article ()
5907 "Select the unread article with the highest score."
5909 (let ((best -1000000)
5910 (data gnus-newsgroup-data)
5913 (and (gnus-data-unread-p (car data))
5915 (gnus-summary-article-score (gnus-data-number (car data))))
5918 article (gnus-data-number (car data))))
5919 (setq data (cdr data)))
5922 (gnus-summary-goto-article article)
5923 (error "No unread articles"))
5924 (gnus-summary-position-point))))
5926 (defun gnus-summary-last-subject ()
5927 "Go to the last displayed subject line in the group."
5928 (let ((article (gnus-data-number (car (gnus-data-list t)))))
5930 (gnus-summary-goto-subject article))))
5932 (defun gnus-summary-goto-article (article &optional all-headers force)
5933 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
5934 If ALL-HEADERS is non-nil, no header lines are hidden.
5935 If FORCE, go to the article even if it isn't displayed. If FORCE
5936 is a number, it is the line the article is to be displayed on."
5940 "Article number or Message-ID: "
5941 (mapcar (lambda (number) (list (int-to-string number)))
5942 gnus-newsgroup-limit))
5946 (if (and (stringp article)
5947 (string-match "@" article))
5948 (gnus-summary-refer-article article)
5949 (when (stringp article)
5950 (setq article (string-to-number article)))
5951 (if (gnus-summary-goto-subject article force)
5952 (gnus-summary-display-article article all-headers)
5953 (gnus-message 4 "Couldn't go to article %s" article) nil))
5954 (gnus-summary-position-point)))
5956 (defun gnus-summary-goto-last-article ()
5957 "Go to the previously read article."
5960 (when gnus-last-article
5961 (gnus-summary-goto-article gnus-last-article nil t))
5962 (gnus-summary-position-point)))
5964 (defun gnus-summary-pop-article (number)
5965 "Pop one article off the history and go to the previous.
5966 NUMBER articles will be popped off."
5969 (setq gnus-newsgroup-history
5970 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
5972 (gnus-summary-goto-article (car to) nil t)
5973 (error "Article history empty")))
5974 (gnus-summary-position-point))
5976 ;; Summary commands and functions for limiting the summary buffer.
5978 (defun gnus-summary-limit-to-articles (n)
5979 "Limit the summary buffer to the next N articles.
5980 If not given a prefix, use the process marked articles instead."
5983 (let ((articles (gnus-summary-work-articles n)))
5984 (setq gnus-newsgroup-processable nil)
5985 (gnus-summary-limit articles))
5986 (gnus-summary-position-point)))
5988 (defun gnus-summary-pop-limit (&optional total)
5989 "Restore the previous limit.
5990 If given a prefix, remove all limits."
5993 (setq gnus-newsgroup-limits
5994 (list (mapcar (lambda (h) (mail-header-number h))
5995 gnus-newsgroup-headers))))
5996 (unless gnus-newsgroup-limits
5997 (error "No limit to pop"))
5999 (gnus-summary-limit nil 'pop)
6000 (gnus-summary-position-point)))
6002 (defun gnus-summary-limit-to-subject (subject &optional header)
6003 "Limit the summary buffer to articles that have subjects that match a regexp."
6004 (interactive "sLimit to subject (regexp): ")
6006 (setq header "subject"))
6007 (when (not (equal "" subject))
6009 (let ((articles (gnus-summary-find-matching
6010 (or header "subject") subject 'all)))
6012 (error "Found no matches for \"%s\"" subject))
6013 (gnus-summary-limit articles))
6014 (gnus-summary-position-point))))
6016 (defun gnus-summary-limit-to-author (from)
6017 "Limit the summary buffer to articles that have authors that match a regexp."
6018 (interactive "sLimit to author (regexp): ")
6019 (gnus-summary-limit-to-subject from "from"))
6021 (defun gnus-summary-limit-to-age (age &optional younger-p)
6022 "Limit the summary buffer to articles that are older than (or equal) AGE days.
6023 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
6024 articles that are younger than AGE days."
6025 (interactive "nTime in days: \nP")
6027 (let ((data gnus-newsgroup-data)
6028 (cutoff (days-to-time age))
6029 articles d date is-younger)
6030 (while (setq d (pop data))
6031 (when (and (vectorp (gnus-data-header d))
6032 (setq date (mail-header-date (gnus-data-header d))))
6033 (setq is-younger (time-less-p
6034 (time-since (date-to-time date))
6039 (push (gnus-data-number d) articles))))
6040 (gnus-summary-limit (nreverse articles)))
6041 (gnus-summary-position-point)))
6043 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
6045 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
6047 (defun gnus-summary-limit-to-unread (&optional all)
6048 "Limit the summary buffer to articles that are not marked as read.
6049 If ALL is non-nil, limit strictly to unread articles."
6052 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
6053 (gnus-summary-limit-to-marks
6054 ;; Concat all the marks that say that an article is read and have
6056 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
6057 gnus-killed-mark gnus-kill-file-mark
6058 gnus-low-score-mark gnus-expirable-mark
6059 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
6060 gnus-duplicate-mark gnus-souped-mark)
6063 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
6064 (make-obsolete 'gnus-summary-delete-marked-with
6065 'gnus-summary-limit-exlude-marks)
6067 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
6068 "Exclude articles that are marked with MARKS (e.g. \"DK\").
6069 If REVERSE, limit the summary buffer to articles that are marked
6070 with MARKS. MARKS can either be a string of marks or a list of marks.
6071 Returns how many articles were removed."
6072 (interactive "sMarks: ")
6073 (gnus-summary-limit-to-marks marks t))
6075 (defun gnus-summary-limit-to-marks (marks &optional reverse)
6076 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
6077 If REVERSE (the prefix), limit the summary buffer to articles that are
6078 not marked with MARKS. MARKS can either be a string of marks or a
6080 Returns how many articles were removed."
6081 (interactive "sMarks: \nP")
6083 (let ((data gnus-newsgroup-data)
6084 (marks (if (listp marks) marks
6085 (append marks nil))) ; Transform to list.
6088 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
6089 (memq (gnus-data-mark (car data)) marks))
6090 (push (gnus-data-number (car data)) articles))
6091 (setq data (cdr data)))
6092 (gnus-summary-limit articles))
6093 (gnus-summary-position-point)))
6095 (defun gnus-summary-limit-to-score (&optional score)
6096 "Limit to articles with score at or above SCORE."
6098 (setq score (if score
6099 (prefix-numeric-value score)
6100 (or gnus-summary-default-score 0)))
6101 (let ((data gnus-newsgroup-data)
6104 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
6106 (push (gnus-data-number (car data)) articles))
6107 (setq data (cdr data)))
6109 (gnus-summary-limit articles)
6110 (gnus-summary-position-point))))
6112 (defun gnus-summary-limit-include-thread (id)
6113 "Display all the hidden articles that in the current thread."
6114 (interactive (list (mail-header-id (gnus-summary-article-header))))
6115 (let ((articles (gnus-articles-in-thread
6116 (gnus-id-to-thread (gnus-root-id id)))))
6118 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
6119 (gnus-summary-position-point))))
6121 (defun gnus-summary-limit-include-dormant ()
6122 "Display all the hidden articles that are marked as dormant.
6123 Note that this command only works on a subset of the articles currently
6124 fetched for this group."
6126 (unless gnus-newsgroup-dormant
6127 (error "There are no dormant articles in this group"))
6129 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
6130 (gnus-summary-position-point)))
6132 (defun gnus-summary-limit-exclude-dormant ()
6133 "Hide all dormant articles."
6136 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
6137 (gnus-summary-position-point)))
6139 (defun gnus-summary-limit-exclude-childless-dormant ()
6140 "Hide all dormant articles that have no children."
6142 (let ((data (gnus-data-list t))
6143 articles d children)
6144 ;; Find all articles that are either not dormant or have
6146 (while (setq d (pop data))
6147 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
6149 (gnus-article-children (gnus-data-number d)))
6152 (when (memq (car children) articles)
6157 (push (gnus-data-number d) articles)))
6160 (gnus-summary-limit articles)
6161 (gnus-summary-position-point))))
6163 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
6164 "Mark all unread excluded articles as read.
6165 If ALL, mark even excluded ticked and dormants as read."
6167 (let ((articles (gnus-sorted-complement
6169 (mapcar (lambda (h) (mail-header-number h))
6170 gnus-newsgroup-headers)
6172 (sort gnus-newsgroup-limit '<)))
6174 (setq gnus-newsgroup-unreads
6175 (gnus-intersection gnus-newsgroup-unreads gnus-newsgroup-limit))
6177 (setq gnus-newsgroup-dormant nil
6178 gnus-newsgroup-marked nil
6179 gnus-newsgroup-reads
6181 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
6182 gnus-newsgroup-reads))
6183 (while (setq article (pop articles))
6184 (unless (or (memq article gnus-newsgroup-dormant)
6185 (memq article gnus-newsgroup-marked))
6186 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
6188 (defun gnus-summary-limit (articles &optional pop)
6190 ;; We pop the previous limit off the stack and use that.
6191 (setq articles (car gnus-newsgroup-limits)
6192 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
6193 ;; We use the new limit, so we push the old limit on the stack.
6194 (push gnus-newsgroup-limit gnus-newsgroup-limits))
6196 (setq gnus-newsgroup-limit articles)
6197 (let ((total (length gnus-newsgroup-data))
6198 (data (gnus-data-find-list (gnus-summary-article-number)))
6199 (gnus-summary-mark-below nil) ; Inhibit this.
6201 ;; This will do all the work of generating the new summary buffer
6202 ;; according to the new limit.
6203 (gnus-summary-prepare)
6204 ;; Hide any threads, possibly.
6205 (and gnus-show-threads
6206 gnus-thread-hide-subtree
6207 (gnus-summary-hide-all-threads))
6208 ;; Try to return to the article you were at, or one in the
6211 ;; We try to find some article after the current one.
6213 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
6216 (setq data (cdr data))))
6218 ;; If there is no data, that means that we were after the last
6219 ;; article. The same goes when we can't find any articles
6220 ;; after the current one.
6221 (goto-char (point-max))
6222 (gnus-summary-find-prev))
6223 (gnus-set-mode-line 'summary)
6224 ;; We return how many articles were removed from the summary
6225 ;; buffer as a result of the new limit.
6226 (- total (length gnus-newsgroup-data))))
6228 (defsubst gnus-invisible-cut-children (threads)
6231 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
6236 (defsubst gnus-cut-thread (thread)
6237 "Go forwards in the thread until we find an article that we want to display."
6238 (when (or (eq gnus-fetch-old-headers 'some)
6239 (eq gnus-fetch-old-headers 'invisible)
6240 (eq gnus-build-sparse-threads 'some)
6241 (eq gnus-build-sparse-threads 'more))
6242 ;; Deal with old-fetched headers and sparse threads.
6246 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
6247 (gnus-summary-article-ancient-p
6248 (mail-header-number (car thread))))
6249 (if (or (<= (length (cdr thread)) 1)
6250 (eq gnus-fetch-old-headers 'invisible))
6251 (setq gnus-newsgroup-limit
6252 (delq (mail-header-number (car thread))
6253 gnus-newsgroup-limit)
6254 thread (cadr thread))
6255 (when (gnus-invisible-cut-children (cdr thread))
6256 (let ((th (cdr thread)))
6258 (if (memq (mail-header-number (caar th))
6259 gnus-newsgroup-limit)
6260 (setq thread (car th)
6262 (setq th (cdr th))))))))))
6265 (defun gnus-cut-threads (threads)
6266 "Cut off all uninteresting articles from the beginning of threads."
6267 (when (or (eq gnus-fetch-old-headers 'some)
6268 (eq gnus-fetch-old-headers 'invisible)
6269 (eq gnus-build-sparse-threads 'some)
6270 (eq gnus-build-sparse-threads 'more))
6273 (setcar th (gnus-cut-thread (car th)))
6274 (setq th (cdr th)))))
6275 ;; Remove nixed out threads.
6278 (defun gnus-summary-initial-limit (&optional show-if-empty)
6279 "Figure out what the initial limit is supposed to be on group entry.
6280 This entails weeding out unwanted dormants, low-scored articles,
6281 fetch-old-headers verbiage, and so on."
6282 ;; Most groups have nothing to remove.
6283 (if (or gnus-inhibit-limiting
6284 (and (null gnus-newsgroup-dormant)
6285 (not (eq gnus-fetch-old-headers 'some))
6286 (not (eq gnus-fetch-old-headers 'invisible))
6287 (null gnus-summary-expunge-below)
6288 (not (eq gnus-build-sparse-threads 'some))
6289 (not (eq gnus-build-sparse-threads 'more))
6290 (null gnus-thread-expunge-below)
6291 (not gnus-use-nocem)))
6293 (push gnus-newsgroup-limit gnus-newsgroup-limits)
6294 (setq gnus-newsgroup-limit nil)
6297 (unless (car (symbol-value node))
6298 ;; These threads have no parents -- they are roots.
6299 (let ((nodes (cdr (symbol-value node)))
6302 (if (and gnus-thread-expunge-below
6303 (< (gnus-thread-total-score (car nodes))
6304 gnus-thread-expunge-below))
6305 (gnus-expunge-thread (pop nodes))
6306 (setq thread (pop nodes))
6307 (gnus-summary-limit-children thread))))))
6308 gnus-newsgroup-dependencies)
6309 ;; If this limitation resulted in an empty group, we might
6310 ;; pop the previous limit and use it instead.
6311 (when (and (not gnus-newsgroup-limit)
6313 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
6314 gnus-newsgroup-limit))
6316 (defun gnus-summary-limit-children (thread)
6317 "Return 1 if this subthread is visible and 0 if it is not."
6318 ;; First we get the number of visible children to this thread. This
6319 ;; is done by recursing down the thread using this function, so this
6320 ;; will really go down to a leaf article first, before slowly
6321 ;; working its way up towards the root.
6325 (apply '+ (mapcar 'gnus-summary-limit-children
6328 (number (mail-header-number (car thread)))
6331 (not (memq number gnus-newsgroup-marked))
6333 ;; If this article is dormant and has absolutely no visible
6334 ;; children, then this article isn't visible.
6335 (and (memq number gnus-newsgroup-dormant)
6337 ;; If this is "fetch-old-headered" and there is no
6338 ;; visible children, then we don't want this article.
6339 (and (eq gnus-fetch-old-headers 'some)
6340 (gnus-summary-article-ancient-p number)
6342 ;; If this is "fetch-old-headered" and `invisible', then
6343 ;; we don't want this article.
6344 (and (eq gnus-fetch-old-headers 'invisible)
6345 (gnus-summary-article-ancient-p number))
6346 ;; If this is a sparsely inserted article with no children,
6347 ;; we don't want it.
6348 (and (eq gnus-build-sparse-threads 'some)
6349 (gnus-summary-article-sparse-p number)
6351 ;; If we use expunging, and this article is really
6352 ;; low-scored, then we don't want this article.
6353 (when (and gnus-summary-expunge-below
6355 (or (cdr (assq number gnus-newsgroup-scored))
6356 gnus-summary-default-score))
6357 gnus-summary-expunge-below))
6358 ;; We increase the expunge-tally here, but that has
6359 ;; nothing to do with the limits, really.
6360 (incf gnus-newsgroup-expunged-tally)
6361 ;; We also mark as read here, if that's wanted.
6362 (when (and gnus-summary-mark-below
6363 (< score gnus-summary-mark-below))
6364 (setq gnus-newsgroup-unreads
6365 (delq number gnus-newsgroup-unreads))
6366 (if gnus-newsgroup-auto-expire
6367 (push number gnus-newsgroup-expirable)
6368 (push (cons number gnus-low-score-mark)
6369 gnus-newsgroup-reads)))
6371 ;; Check NoCeM things.
6372 (if (and gnus-use-nocem
6373 (gnus-nocem-unwanted-article-p
6374 (mail-header-id (car thread))))
6376 (setq gnus-newsgroup-unreads
6377 (delq number gnus-newsgroup-unreads))
6379 ;; Nope, invisible article.
6381 ;; Ok, this article is to be visible, so we add it to the limit
6383 (push number gnus-newsgroup-limit)
6386 (defun gnus-expunge-thread (thread)
6387 "Mark all articles in THREAD as read."
6388 (let* ((number (mail-header-number (car thread))))
6389 (incf gnus-newsgroup-expunged-tally)
6390 ;; We also mark as read here, if that's wanted.
6391 (setq gnus-newsgroup-unreads
6392 (delq number gnus-newsgroup-unreads))
6393 (if gnus-newsgroup-auto-expire
6394 (push number gnus-newsgroup-expirable)
6395 (push (cons number gnus-low-score-mark)
6396 gnus-newsgroup-reads)))
6397 ;; Go recursively through all subthreads.
6398 (mapcar 'gnus-expunge-thread (cdr thread)))
6400 ;; Summary article oriented commands
6402 (defun gnus-summary-refer-parent-article (n)
6403 "Refer parent article N times.
6404 If N is negative, go to ancestor -N instead.
6405 The difference between N and the number of articles fetched is returned."
6409 (when (not (natnump n))
6414 (setq header (gnus-summary-article-header))
6415 (if (and (eq (mail-header-number header)
6416 (cdr gnus-article-current))
6417 (equal gnus-newsgroup-name
6418 (car gnus-article-current)))
6419 ;; If we try to find the parent of the currently
6420 ;; displayed article, then we take a look at the actual
6421 ;; References header, since this is slightly more
6422 ;; reliable than the References field we got from the
6425 (set-buffer gnus-original-article-buffer)
6426 (nnheader-narrow-to-headers)
6427 (unless (setq ref (message-fetch-field "references"))
6428 (setq ref (message-fetch-field "in-reply-to")))
6431 ;; It's not the current article, so we take a bet on
6432 ;; the value we got from the server.
6433 (mail-header-references header)))
6435 (not (equal ref "")))
6436 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
6437 (gnus-message 1 "Couldn't find parent"))
6438 (gnus-message 1 "No references in article %d"
6439 (gnus-summary-article-number))
6442 (gnus-summary-position-point)
6445 (defun gnus-summary-refer-references ()
6446 "Fetch all articles mentioned in the References header.
6447 Return the number of articles fetched."
6449 (let ((ref (mail-header-references (gnus-summary-article-header)))
6450 (current (gnus-summary-article-number))
6454 (error "No References in the current article")
6455 ;; For each Message-ID in the References header...
6456 (while (string-match "<[^>]*>" ref)
6458 ;; ... fetch that article.
6459 (gnus-summary-refer-article
6460 (prog1 (match-string 0 ref)
6461 (setq ref (substring ref (match-end 0))))))
6462 (gnus-summary-goto-subject current)
6463 (gnus-summary-position-point)
6466 (defun gnus-summary-refer-thread (&optional limit)
6467 "Fetch all articles in the current thread.
6468 If LIMIT (the numerical prefix), fetch that many old headers instead
6469 of what's specified by the `gnus-refer-thread-limit' variable."
6471 (let ((id (mail-header-id (gnus-summary-article-header)))
6472 (limit (if limit (prefix-numeric-value limit)
6473 gnus-refer-thread-limit)))
6474 ;; We want to fetch LIMIT *old* headers, but we also have to
6475 ;; re-fetch all the headers in the current buffer, because many of
6476 ;; them may be undisplayed. So we adjust LIMIT.
6477 (when (numberp limit)
6478 (incf limit (- gnus-newsgroup-end gnus-newsgroup-begin)))
6479 (unless (eq gnus-fetch-old-headers 'invisible)
6480 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
6481 ;; Retrieve the headers and read them in.
6482 (if (eq (gnus-retrieve-headers
6483 (list gnus-newsgroup-end) gnus-newsgroup-name limit)
6485 (gnus-build-all-threads)
6486 (error "Can't fetch thread from backends that don't support NOV"))
6487 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
6488 (gnus-summary-limit-include-thread id)))
6490 (defun gnus-summary-refer-article (message-id &optional arg)
6491 "Fetch an article specified by MESSAGE-ID.
6492 If ARG (the prefix), fetch the article using `gnus-refer-article-method'
6493 or `gnus-select-method', no matter what backend the article comes from."
6494 (interactive "sMessage-ID: \nP")
6495 (when (and (stringp message-id)
6496 (not (zerop (length message-id))))
6497 ;; Construct the correct Message-ID if necessary.
6498 ;; Suggested by tale@pawl.rpi.edu.
6499 (unless (string-match "^<" message-id)
6500 (setq message-id (concat "<" message-id)))
6501 (unless (string-match ">$" message-id)
6502 (setq message-id (concat message-id ">")))
6503 (let* ((header (gnus-id-to-header message-id))
6505 (gnus-summary-article-sparse-p
6506 (mail-header-number header))
6507 (memq (mail-header-number header)
6508 gnus-newsgroup-limit))))
6510 ;; If the article is present in the buffer we just go to it.
6512 (or (not (gnus-summary-article-sparse-p
6513 (mail-header-number header)))
6516 (gnus-summary-goto-article
6517 (mail-header-number header) nil t)
6519 (gnus-summary-update-article (mail-header-number header)))))
6521 ;; We fetch the article
6522 (let ((gnus-override-method
6523 (cond ((gnus-news-group-p gnus-newsgroup-name)
6524 gnus-refer-article-method)
6526 (or gnus-refer-article-method gnus-select-method))
6529 ;; Start the special refer-article method, if necessary.
6530 (when (and gnus-refer-article-method
6531 (gnus-news-group-p gnus-newsgroup-name))
6532 (gnus-check-server gnus-refer-article-method))
6533 ;; Fetch the header, and display the article.
6534 (if (setq number (gnus-summary-insert-subject message-id))
6535 (gnus-summary-select-article nil nil nil number)
6536 (gnus-message 3 "Couldn't fetch article %s" message-id))))))))
6538 (defun gnus-summary-edit-parameters ()
6539 "Edit the group parameters of the current group."
6541 (gnus-group-edit-group gnus-newsgroup-name 'params))
6543 (defun gnus-summary-enter-digest-group (&optional force)
6544 "Enter an nndoc group based on the current article.
6545 If FORCE, force a digest interpretation. If not, try
6546 to guess what the document format is."
6548 (let ((conf gnus-current-window-configuration))
6550 (gnus-summary-select-article))
6551 (setq gnus-current-window-configuration conf)
6552 (let* ((name (format "%s-%d"
6553 (gnus-group-prefixed-name
6554 gnus-newsgroup-name (list 'nndoc ""))
6556 (set-buffer gnus-summary-buffer)
6557 gnus-current-article)))
6558 (ogroup gnus-newsgroup-name)
6559 (params (append (gnus-info-params (gnus-get-info ogroup))
6560 (list (cons 'to-group ogroup))
6561 (list (cons 'save-article-group ogroup))))
6562 (case-fold-search t)
6563 (buf (current-buffer))
6566 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
6567 (insert-buffer-substring gnus-original-article-buffer)
6568 ;; Remove lines that may lead nndoc to misinterpret the
6571 (goto-char (point-min))
6572 (or (search-forward "\n\n" nil t) (point)))
6573 (goto-char (point-min))
6574 (delete-matching-lines "^\\(Path\\):\\|^From ")
6577 (if (gnus-group-read-ephemeral-group
6578 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
6580 ,(if force 'digest 'guess))) t)
6581 ;; Make all postings to this group go to the parent group.
6582 (nconc (gnus-info-params (gnus-get-info name))
6584 ;; Couldn't select this doc group.
6585 (switch-to-buffer buf)
6586 (gnus-set-global-variables)
6587 (gnus-configure-windows 'summary)
6588 (gnus-message 3 "Article couldn't be entered?"))
6589 (kill-buffer dig)))))
6591 (defun gnus-summary-read-document (n)
6592 "Open a new group based on the current article(s).
6593 This will allow you to read digests and other similar
6594 documents as newsgroups.
6595 Obeys the standard process/prefix convention."
6597 (let* ((articles (gnus-summary-work-articles n))
6598 (ogroup gnus-newsgroup-name)
6599 (params (append (gnus-info-params (gnus-get-info ogroup))
6600 (list (cons 'to-group ogroup))))
6601 article group egroup groups vgroup)
6602 (while (setq article (pop articles))
6603 (setq group (format "%s-%d" gnus-newsgroup-name article))
6604 (gnus-summary-remove-process-mark article)
6605 (when (gnus-summary-display-article article)
6608 (insert-buffer-substring gnus-original-article-buffer)
6609 ;; Remove some headers that may lead nndoc to make
6611 (message-narrow-to-head)
6612 (goto-char (point-min))
6613 (delete-matching-lines "^\\(Path\\):\\|^From ")
6616 (gnus-group-read-ephemeral-group
6617 group `(nndoc ,group (nndoc-address ,(current-buffer))
6618 (nndoc-article-type guess))
6621 ;; Make all postings to this group go to the parent group.
6622 (nconc (gnus-info-params (gnus-get-info egroup))
6624 (push egroup groups))
6625 ;; Couldn't select this doc group.
6626 (gnus-error 3 "Article couldn't be entered"))))))
6627 ;; Now we have selected all the documents.
6630 (error "None of the articles could be interpreted as documents"))
6631 ((gnus-group-read-ephemeral-group
6632 (setq vgroup (format
6633 "nnvirtual:%s-%s" gnus-newsgroup-name
6634 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
6635 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
6637 (cons (current-buffer) 'summary)))
6639 (error "Couldn't select virtual nndoc group")))))
6641 (defun gnus-summary-isearch-article (&optional regexp-p)
6642 "Do incremental search forward on the current article.
6643 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
6645 (gnus-summary-select-article)
6646 (gnus-configure-windows 'article)
6647 (gnus-eval-in-buffer-window gnus-article-buffer
6650 (isearch-forward regexp-p))))
6652 (defun gnus-summary-search-article-forward (regexp &optional backward)
6653 "Search for an article containing REGEXP forward.
6654 If BACKWARD, search backward instead."
6657 (format "Search article %s (regexp%s): "
6658 (if current-prefix-arg "backward" "forward")
6659 (if gnus-last-search-regexp
6660 (concat ", default " gnus-last-search-regexp)
6662 current-prefix-arg))
6663 (if (string-equal regexp "")
6664 (setq regexp (or gnus-last-search-regexp ""))
6665 (setq gnus-last-search-regexp regexp))
6666 (if (gnus-summary-search-article regexp backward)
6667 (gnus-summary-show-thread)
6668 (error "Search failed: \"%s\"" regexp)))
6670 (defun gnus-summary-search-article-backward (regexp)
6671 "Search for an article containing REGEXP backward."
6674 (format "Search article backward (regexp%s): "
6675 (if gnus-last-search-regexp
6676 (concat ", default " gnus-last-search-regexp)
6678 (gnus-summary-search-article-forward regexp 'backward))
6680 (defun gnus-summary-search-article (regexp &optional backward)
6681 "Search for an article containing REGEXP.
6682 Optional argument BACKWARD means do search for backward.
6683 `gnus-select-article-hook' is not called during the search."
6684 ;; We have to require this here to make sure that the following
6685 ;; dynamic binding isn't shadowed by autoloading.
6686 (require 'gnus-async)
6687 (let ((gnus-select-article-hook nil) ;Disable hook.
6688 (gnus-article-display-hook nil)
6689 (gnus-mark-article-hook nil) ;Inhibit marking as read.
6690 (gnus-use-article-prefetch nil)
6691 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
6692 (gnus-use-trees nil) ;Inhibit updating tree buffer.
6693 (sum (current-buffer))
6696 (gnus-save-hidden-threads
6697 (gnus-summary-select-article)
6698 (set-buffer gnus-article-buffer)
6702 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
6704 (re-search-backward regexp nil t)
6705 (re-search-forward regexp nil t))
6706 ;; We found the regexp.
6711 (get-buffer-window (current-buffer))
6715 (setq point (point)))
6716 ;; We didn't find it, so we go to the next article.
6719 (while (eq found 'not)
6720 (if (not (if backward (gnus-summary-find-prev)
6721 (gnus-summary-find-next)))
6722 ;; No more articles.
6724 ;; Select the next article and adjust point.
6725 (unless (gnus-summary-article-sparse-p
6726 (gnus-summary-article-number))
6728 (gnus-summary-select-article)
6729 (set-buffer gnus-article-buffer)
6731 (goto-char (if backward (point-max) (point-min))))))))
6732 (gnus-message 7 ""))
6733 ;; Return whether we found the regexp.
6734 (when (eq found 'found)
6736 (gnus-summary-show-thread)
6737 (gnus-summary-goto-subject gnus-current-article)
6738 (gnus-summary-position-point)
6741 (defun gnus-summary-find-matching (header regexp &optional backward unread
6743 "Return a list of all articles that match REGEXP on HEADER.
6744 The search stars on the current article and goes forwards unless
6745 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
6746 If UNREAD is non-nil, only unread articles will
6747 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
6748 in the comparisons."
6749 (let ((data (if (eq backward 'all) gnus-newsgroup-data
6750 (gnus-data-find-list
6751 (gnus-summary-article-number) (gnus-data-list backward))))
6752 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
6753 (case-fold-search (not not-case-fold))
6755 (unless (fboundp (intern (concat "mail-header-" header)))
6756 (error "%s is not a valid header" header))
6759 (and (or (not unread) ; We want all articles...
6760 (gnus-data-unread-p d)) ; Or just unreads.
6761 (vectorp (gnus-data-header d)) ; It's not a pseudo.
6762 (string-match regexp (funcall func (gnus-data-header d))) ; Match.
6763 (push (gnus-data-number d) articles)) ; Success!
6764 (setq data (cdr data)))
6765 (nreverse articles)))
6767 (defun gnus-summary-execute-command (header regexp command &optional backward)
6768 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
6769 If HEADER is an empty string (or nil), the match is done on the entire
6770 article. If BACKWARD (the prefix) is non-nil, search backward instead."
6772 (list (let ((completion-ignore-case t))
6775 (mapcar (lambda (string) (list string))
6776 '("Number" "Subject" "From" "Lines" "Date"
6777 "Message-ID" "Xref" "References" "Body"))
6778 nil 'require-match))
6779 (read-string "Regexp: ")
6780 (read-key-sequence "Command: ")
6781 current-prefix-arg))
6782 (when (equal header "Body")
6784 ;; Hidden thread subtrees must be searched as well.
6785 (gnus-summary-show-all-threads)
6786 ;; We don't want to change current point nor window configuration.
6788 (save-window-excursion
6789 (gnus-message 6 "Executing %s..." (key-description command))
6790 ;; We'd like to execute COMMAND interactively so as to give arguments.
6791 (gnus-execute header regexp
6792 `(call-interactively ',(key-binding command))
6794 (gnus-message 6 "Executing %s...done" (key-description command)))))
6796 (defun gnus-summary-beginning-of-article ()
6797 "Scroll the article back to the beginning."
6799 (gnus-summary-select-article)
6800 (gnus-configure-windows 'article)
6801 (gnus-eval-in-buffer-window gnus-article-buffer
6803 (goto-char (point-min))
6804 (when gnus-page-broken
6805 (gnus-narrow-to-page))))
6807 (defun gnus-summary-end-of-article ()
6808 "Scroll to the end of the article."
6810 (gnus-summary-select-article)
6811 (gnus-configure-windows 'article)
6812 (gnus-eval-in-buffer-window gnus-article-buffer
6814 (goto-char (point-max))
6816 (when gnus-page-broken
6817 (gnus-narrow-to-page))))
6819 (defun gnus-summary-print-article (&optional filename n)
6820 "Generate and print a PostScript image of the N next (mail) articles.
6822 If N is negative, print the N previous articles. If N is nil and articles
6823 have been marked with the process mark, print these instead.
6825 If the optional second argument FILENAME is nil, send the image to the
6826 printer. If FILENAME is a string, save the PostScript image in a file with
6827 that name. If FILENAME is a number, prompt the user for the name of the file
6829 (interactive (list (ps-print-preprint current-prefix-arg)
6830 current-prefix-arg))
6831 (dolist (article (gnus-summary-work-articles n))
6832 (gnus-summary-select-article nil nil 'pseudo article)
6833 (gnus-eval-in-buffer-window gnus-article-buffer
6834 (let ((buffer (generate-new-buffer " *print*")))
6837 (copy-to-buffer buffer (point-min) (point-max))
6839 (gnus-article-delete-invisible-text)
6840 (let ((ps-left-header
6843 (mail-header-subject gnus-current-headers) ")")
6845 (mail-header-from gnus-current-headers) ")")))
6848 "/pagenumberstring load"
6850 (mail-header-date gnus-current-headers) ")"))))
6851 (gnus-run-hooks 'gnus-ps-print-hook)
6853 (ps-print-buffer-with-faces filename))))
6854 (kill-buffer buffer))))))
6856 (defun gnus-summary-show-article (&optional arg)
6857 "Force re-fetching of the current article.
6858 If ARG (the prefix) is non-nil, show the raw article without any
6859 article massaging functions being run."
6862 ;; Select the article the normal way.
6863 (gnus-summary-select-article nil 'force)
6864 ;; Bind the article treatment functions to nil.
6865 (let ((gnus-have-all-headers t)
6866 gnus-article-display-hook
6867 gnus-article-prepare-hook
6868 gnus-article-decode-hook
6872 (gnus-summary-select-article nil 'force)))
6873 (gnus-summary-goto-subject gnus-current-article)
6874 (gnus-summary-position-point))
6876 (defun gnus-summary-verbose-headers (&optional arg)
6877 "Toggle permanent full header display.
6878 If ARG is a positive number, turn header display on.
6879 If ARG is a negative number, turn header display off."
6881 (setq gnus-show-all-headers
6882 (cond ((or (not (numberp arg))
6884 (not gnus-show-all-headers))
6887 (gnus-summary-show-article))
6889 (defun gnus-summary-toggle-header (&optional arg)
6890 "Show the headers if they are hidden, or hide them if they are shown.
6891 If ARG is a positive number, show the entire header.
6892 If ARG is a negative number, hide the unwanted header lines."
6895 (set-buffer gnus-article-buffer)
6896 (let* ((buffer-read-only nil)
6897 (inhibit-point-motion-hooks t)
6898 (hidden (text-property-any
6899 (goto-char (point-min)) (search-forward "\n\n")
6902 (goto-char (point-min))
6903 (when (search-forward "\n\n" nil t)
6904 (delete-region (point-min) (1- (point))))
6905 (goto-char (point-min))
6907 (set-buffer gnus-original-article-buffer)
6908 (goto-char (point-min))
6909 (setq e (1- (or (search-forward "\n\n" nil t) (point-max)))))
6910 (insert-buffer-substring gnus-original-article-buffer 1 e)
6911 (let ((article-inhibit-hiding t))
6912 (gnus-run-hooks 'gnus-article-display-hook))
6913 (when (or (not hidden) (and (numberp arg) (< arg 0)))
6914 (gnus-article-hide-headers)))))
6916 (defun gnus-summary-show-all-headers ()
6917 "Make all header lines visible."
6919 (gnus-article-show-all-headers))
6921 (defun gnus-summary-toggle-mime (&optional arg)
6922 "Toggle MIME processing.
6923 If ARG is a positive number, turn MIME processing on."
6925 (setq gnus-show-mime
6926 (if (null arg) (not gnus-show-mime)
6927 (> (prefix-numeric-value arg) 0)))
6928 (gnus-summary-select-article t 'force))
6930 (defun gnus-summary-caesar-message (&optional arg)
6931 "Caesar rotate the current article by 13.
6932 The numerical prefix specifies how many places to rotate each letter
6935 (gnus-summary-select-article)
6936 (let ((mail-header-separator ""))
6937 (gnus-eval-in-buffer-window gnus-article-buffer
6940 (let ((start (window-start))
6942 (message-caesar-buffer-body arg)
6943 (set-window-start (get-buffer-window (current-buffer)) start))))))
6945 (defun gnus-summary-stop-page-breaking ()
6946 "Stop page breaking in the current article."
6948 (gnus-summary-select-article)
6949 (gnus-eval-in-buffer-window gnus-article-buffer
6951 (when (gnus-visual-p 'page-marker)
6952 (let ((buffer-read-only nil))
6953 (gnus-remove-text-with-property 'gnus-prev)
6954 (gnus-remove-text-with-property 'gnus-next))
6955 (setq gnus-page-broken nil))))
6957 (defun gnus-summary-move-article (&optional n to-newsgroup
6958 select-method action)
6959 "Move the current article to a different newsgroup.
6960 If N is a positive number, move the N next articles.
6961 If N is a negative number, move the N previous articles.
6962 If N is nil and any articles have been marked with the process mark,
6963 move those articles instead.
6964 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
6965 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
6966 re-spool using this method.
6968 For this function to work, both the current newsgroup and the
6969 newsgroup that you want to move to have to support the `request-move'
6970 and `request-accept' functions."
6973 (setq action 'move))
6974 ;; Disable marking as read.
6975 (let (gnus-mark-article-hook)
6976 (save-window-excursion
6977 (gnus-summary-select-article)))
6978 ;; Check whether the source group supports the required functions.
6979 (cond ((and (eq action 'move)
6980 (not (gnus-check-backend-function
6981 'request-move-article gnus-newsgroup-name)))
6982 (error "The current group does not support article moving"))
6983 ((and (eq action 'crosspost)
6984 (not (gnus-check-backend-function
6985 'request-replace-article gnus-newsgroup-name)))
6986 (error "The current group does not support article editing")))
6987 (let ((articles (gnus-summary-work-articles n))
6988 (prefix (gnus-group-real-prefix gnus-newsgroup-name))
6989 (names '((move "Move" "Moving")
6990 (copy "Copy" "Copying")
6991 (crosspost "Crosspost" "Crossposting")))
6992 (copy-buf (save-excursion
6993 (nnheader-set-temp-buffer " *copy article*")))
6994 art-group to-method new-xref article to-groups)
6995 (unless (assq action names)
6996 (error "Unknown action %s" action))
6997 ;; Read the newsgroup name.
6998 (when (and (not to-newsgroup)
6999 (not select-method))
7001 (gnus-read-move-group-name
7002 (cadr (assq action names))
7003 (symbol-value (intern (format "gnus-current-%s-group" action)))
7005 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
7006 (setq to-method (or select-method
7007 (gnus-group-name-to-method to-newsgroup)))
7008 ;; Check the method we are to move this article to...
7009 (unless (gnus-check-backend-function
7010 'request-accept-article (car to-method))
7011 (error "%s does not support article copying" (car to-method)))
7012 (unless (gnus-check-server to-method)
7013 (error "Can't open server %s" (car to-method)))
7014 (gnus-message 6 "%s to %s: %s..."
7015 (caddr (assq action names))
7016 (or (car select-method) to-newsgroup) articles)
7018 (setq article (pop articles))
7022 ;; Move the article.
7024 ;; Remove this article from future suppression.
7025 (gnus-dup-unsuppress-article article)
7026 (gnus-request-move-article
7027 article ; Article to move
7028 gnus-newsgroup-name ; From newsgroup
7029 (nth 1 (gnus-find-method-for-group
7030 gnus-newsgroup-name)) ; Server
7031 (list 'gnus-request-accept-article
7032 to-newsgroup (list 'quote select-method)
7033 (not articles)) ; Accept form
7034 (not articles))) ; Only save nov last time
7035 ;; Copy the article.
7038 (set-buffer copy-buf)
7039 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
7040 (gnus-request-accept-article
7041 to-newsgroup select-method (not articles) t))))
7042 ;; Crosspost the article.
7043 ((eq action 'crosspost)
7044 (let ((xref (message-tokenize-header
7045 (mail-header-xref (gnus-summary-article-header article))
7047 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
7050 (setq xref (list (system-name))))
7053 (mapconcat 'identity
7054 (delete "Xref:" (delete new-xref xref))
7058 (set-buffer copy-buf)
7059 ;; First put the article in the destination group.
7060 (gnus-request-article-this-buffer article gnus-newsgroup-name)
7061 (when (consp (setq art-group
7062 (gnus-request-accept-article
7063 to-newsgroup select-method (not articles))))
7064 (setq new-xref (concat new-xref " " (car art-group)
7065 ":" (cdr art-group)))
7066 ;; Now we have the new Xrefs header, so we insert
7067 ;; it and replace the new article.
7068 (nnheader-replace-header "Xref" new-xref)
7069 (gnus-request-replace-article
7070 (cdr art-group) to-newsgroup (current-buffer))
7074 (gnus-message 1 "Couldn't %s article %s"
7075 (cadr (assq action names)) article))
7076 ((and (eq art-group 'junk)
7078 (gnus-summary-mark-article article gnus-canceled-mark)
7079 (gnus-message 4 "Deleted article %s" article))
7081 (let* ((pto-group (gnus-group-prefixed-name
7082 (car art-group) to-method))
7084 (gnus-gethash pto-group gnus-newsrc-hashtb))
7085 (info (nth 2 entry))
7086 (to-group (gnus-info-group info)))
7087 ;; Update the group that has been moved to.
7089 (memq action '(move copy)))
7090 (unless (member to-group to-groups)
7091 (push to-group to-groups))
7093 (unless (memq article gnus-newsgroup-unreads)
7095 info (gnus-add-to-range (gnus-info-read info)
7096 (list (cdr art-group)))))
7098 ;; Copy any marks over to the new group.
7099 (let ((marks gnus-article-mark-lists)
7100 (to-article (cdr art-group)))
7102 ;; See whether the article is to be put in the cache.
7103 (when gnus-use-cache
7104 (gnus-cache-possibly-enter-article
7106 (let ((header (copy-sequence
7107 (gnus-summary-article-header article))))
7108 (mail-header-set-number header to-article)
7110 (memq article gnus-newsgroup-marked)
7111 (memq article gnus-newsgroup-dormant)
7112 (memq article gnus-newsgroup-unreads)))
7114 (when (and (equal to-group gnus-newsgroup-name)
7115 (not (memq article gnus-newsgroup-unreads)))
7116 ;; Mark this article as read in this group.
7117 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
7118 (setcdr (gnus-active to-group) to-article)
7119 (setcdr gnus-newsgroup-active to-article))
7122 (when (memq article (symbol-value
7123 (intern (format "gnus-newsgroup-%s"
7125 ;; If the other group is the same as this group,
7126 ;; then we have to add the mark to the list.
7127 (when (equal to-group gnus-newsgroup-name)
7128 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
7131 (intern (format "gnus-newsgroup-%s"
7133 ;; Copy the marks to other group.
7134 (gnus-add-marked-articles
7135 to-group (cdar marks) (list to-article) info))
7136 (setq marks (cdr marks)))
7139 (concat "(gnus-group-set-info '"
7140 (gnus-prin1-to-string (gnus-get-info to-group))
7143 ;; Update the Xref header in this article to point to
7144 ;; the new crossposted article we have just created.
7145 (when (eq action 'crosspost)
7147 (set-buffer copy-buf)
7148 (gnus-request-article-this-buffer article gnus-newsgroup-name)
7149 (nnheader-replace-header "Xref" new-xref)
7150 (gnus-request-replace-article
7151 article gnus-newsgroup-name (current-buffer)))))
7153 ;;;!!!Why is this necessary?
7154 (set-buffer gnus-summary-buffer)
7156 (gnus-summary-goto-subject article)
7157 (when (eq action 'move)
7158 (gnus-summary-mark-article article gnus-canceled-mark))))
7159 (gnus-summary-remove-process-mark article))
7160 ;; Re-activate all groups that have been moved to.
7163 (set-buffer gnus-group-buffer)
7164 (when (gnus-group-goto-group (car to-groups) t)
7165 (gnus-group-get-new-news-this-group 1 t))
7168 (gnus-kill-buffer copy-buf)
7169 (gnus-summary-position-point)
7170 (gnus-set-mode-line 'summary)))
7172 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
7173 "Move the current article to a different newsgroup.
7174 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
7175 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
7176 re-spool using this method."
7178 (gnus-summary-move-article n to-newsgroup select-method 'copy))
7180 (defun gnus-summary-crosspost-article (&optional n)
7181 "Crosspost the current article to some other group."
7183 (gnus-summary-move-article n nil nil 'crosspost))
7185 (defcustom gnus-summary-respool-default-method nil
7186 "Default method for respooling an article.
7187 If nil, use to the current newsgroup method."
7188 :type '(choice (gnus-select-method :value (nnml ""))
7190 :group 'gnus-summary-mail)
7192 (defun gnus-summary-respool-article (&optional n method)
7193 "Respool the current article.
7194 The article will be squeezed through the mail spooling process again,
7195 which means that it will be put in some mail newsgroup or other
7196 depending on `nnmail-split-methods'.
7197 If N is a positive number, respool the N next articles.
7198 If N is a negative number, respool the N previous articles.
7199 If N is nil and any articles have been marked with the process mark,
7200 respool those articles instead.
7202 Respooling can be done both from mail groups and \"real\" newsgroups.
7203 In the former case, the articles in question will be moved from the
7204 current group into whatever groups they are destined to. In the
7205 latter case, they will be copied into the relevant groups."
7207 (list current-prefix-arg
7208 (let* ((methods (gnus-methods-using 'respool))
7210 (symbol-name (or gnus-summary-respool-default-method
7211 (car (gnus-find-method-for-group
7212 gnus-newsgroup-name)))))
7214 (gnus-completing-read
7215 methname "What backend do you want to use when respooling?"
7216 methods nil t nil 'gnus-mail-method-history))
7219 ((zerop (length (setq ms (gnus-servers-using-backend
7221 (list (intern method) ""))
7225 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
7226 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
7229 (error "No method given for respooling"))
7230 (if (assoc (symbol-name
7231 (car (gnus-find-method-for-group gnus-newsgroup-name)))
7232 (gnus-methods-using 'respool))
7233 (gnus-summary-move-article n nil method)
7234 (gnus-summary-copy-article n nil method)))
7236 (defun gnus-summary-import-article (file)
7237 "Import an arbitrary file into a mail newsgroup."
7238 (interactive "fImport file: ")
7239 (let ((group gnus-newsgroup-name)
7240 (now (current-time))
7242 (unless (gnus-check-backend-function 'request-accept-article group)
7243 (error "%s does not support article importing" group))
7244 (or (file-readable-p file)
7245 (not (file-regular-p file))
7246 (error "Can't read %s" file))
7248 (set-buffer (gnus-get-buffer-create " *import file*"))
7250 (nnheader-insert-file-contents file)
7251 (goto-char (point-min))
7252 (unless (nnheader-article-p)
7253 ;; This doesn't look like an article, so we fudge some headers.
7254 (setq atts (file-attributes file)
7255 lines (count-lines (point-min) (point-max)))
7256 (insert "From: " (read-string "From: ") "\n"
7257 "Subject: " (read-string "Subject: ") "\n"
7258 "Date: " (message-make-date (nth 5 atts))
7260 "Message-ID: " (message-make-message-id) "\n"
7261 "Lines: " (int-to-string lines) "\n"
7262 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
7263 (gnus-request-accept-article group nil t)
7264 (kill-buffer (current-buffer)))))
7266 (defun gnus-summary-article-posted-p ()
7267 "Say whether the current (mail) article is available from `gnus-select-method' as well.
7268 This will be the case if the article has both been mailed and posted."
7270 (let ((id (mail-header-references (gnus-summary-article-header)))
7271 (gnus-override-method
7272 (or gnus-refer-article-method gnus-select-method)))
7273 (if (gnus-request-head id "")
7274 (gnus-message 2 "The current message was found on %s"
7275 gnus-override-method)
7276 (gnus-message 2 "The current message couldn't be found on %s"
7277 gnus-override-method)
7280 (defun gnus-summary-expire-articles (&optional now)
7281 "Expire all articles that are marked as expirable in the current group."
7283 (when (gnus-check-backend-function
7284 'request-expire-articles gnus-newsgroup-name)
7285 ;; This backend supports expiry.
7286 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
7287 (expirable (if total
7289 ;; We need to update the info for
7290 ;; this group for `gnus-list-of-read-articles'
7291 ;; to give us the right answer.
7292 (gnus-run-hooks 'gnus-exit-group-hook)
7293 (gnus-summary-update-info)
7294 (gnus-list-of-read-articles gnus-newsgroup-name))
7295 (setq gnus-newsgroup-expirable
7296 (sort gnus-newsgroup-expirable '<))))
7297 (expiry-wait (if now 'immediate
7298 (gnus-group-find-parameter
7299 gnus-newsgroup-name 'expiry-wait)))
7302 ;; There are expirable articles in this group, so we run them
7303 ;; through the expiry process.
7304 (gnus-message 6 "Expiring articles...")
7305 ;; The list of articles that weren't expired is returned.
7308 (let ((nnmail-expiry-wait-function nil)
7309 (nnmail-expiry-wait expiry-wait))
7310 (setq es (gnus-request-expire-articles
7311 expirable gnus-newsgroup-name)))
7312 (setq es (gnus-request-expire-articles
7313 expirable gnus-newsgroup-name))))
7315 (setq gnus-newsgroup-expirable es))
7316 ;; We go through the old list of expirable, and mark all
7317 ;; really expired articles as nonexistent.
7318 (unless (eq es expirable) ;If nothing was expired, we don't mark.
7319 (let ((gnus-use-cache nil))
7321 (unless (memq (car expirable) es)
7322 (when (gnus-data-find (car expirable))
7323 (gnus-summary-mark-article
7324 (car expirable) gnus-canceled-mark)))
7325 (setq expirable (cdr expirable)))))
7326 (gnus-message 6 "Expiring articles...done")))))
7328 (defun gnus-summary-expire-articles-now ()
7329 "Expunge all expirable articles in the current group.
7330 This means that *all* articles that are marked as expirable will be
7331 deleted forever, right now."
7333 (or gnus-expert-user
7335 "Are you really, really, really sure you want to delete all these messages? ")
7337 (gnus-summary-expire-articles t))
7339 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
7340 (defun gnus-summary-delete-article (&optional n)
7341 "Delete the N next (mail) articles.
7342 This command actually deletes articles. This is not a marking
7343 command. The article will disappear forever from your life, never to
7345 If N is negative, delete backwards.
7346 If N is nil and articles have been marked with the process mark,
7347 delete these instead."
7349 (unless (gnus-check-backend-function 'request-expire-articles
7350 gnus-newsgroup-name)
7351 (error "The current newsgroup does not support article deletion"))
7352 ;; Compute the list of articles to delete.
7353 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
7355 (if (and gnus-novice-user
7356 (not (gnus-yes-or-no-p
7357 (format "Do you really want to delete %s forever? "
7358 (if (> (length articles) 1)
7359 (format "these %s articles" (length articles))
7362 ;; Delete the articles.
7363 (setq not-deleted (gnus-request-expire-articles
7364 articles gnus-newsgroup-name 'force))
7366 (gnus-summary-remove-process-mark (car articles))
7367 ;; The backend might not have been able to delete the article
7369 (unless (memq (car articles) not-deleted)
7370 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
7371 (setq articles (cdr articles)))
7373 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
7374 (gnus-summary-position-point)
7375 (gnus-set-mode-line 'summary)
7378 (defun gnus-summary-edit-article (&optional force)
7379 "Edit the current article.
7380 This will have permanent effect only in mail groups.
7381 If FORCE is non-nil, allow editing of articles even in read-only
7385 (set-buffer gnus-summary-buffer)
7386 (gnus-set-global-variables)
7387 (when (and (not force)
7388 (gnus-group-read-only-p))
7389 (error "The current newsgroup does not support article editing"))
7390 ;; Select article if needed.
7391 (unless (eq (gnus-summary-article-number)
7392 gnus-current-article)
7393 (gnus-summary-select-article t))
7394 (gnus-article-date-original)
7395 (gnus-article-edit-article
7396 `(lambda (no-highlight)
7397 (gnus-summary-edit-article-done
7398 ,(or (mail-header-references gnus-current-headers) "")
7399 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight)))))
7401 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
7403 (defun gnus-summary-edit-article-done (&optional references read-only buffer
7405 "Make edits to the current article permanent."
7407 ;; Replace the article.
7408 (let ((buf (current-buffer)))
7411 (if (and (not read-only)
7412 (not (gnus-request-replace-article
7413 (cdr gnus-article-current) (car gnus-article-current)
7415 (not gnus-article-decoded-p))))
7416 (error "Couldn't replace article")
7417 ;; Update the summary buffer.
7419 (equal (message-tokenize-header references " ")
7420 (message-tokenize-header
7421 (or (message-fetch-field "references") "") " ")))
7422 ;; We only have to update this line.
7425 (message-narrow-to-head)
7426 (let ((head (buffer-string))
7429 (insert (format "211 %d Article retrieved.\n"
7430 (cdr gnus-article-current)))
7433 (let ((nntp-server-buffer (current-buffer)))
7434 (setq header (car (gnus-get-newsgroup-headers
7436 (set-buffer gnus-summary-buffer)
7437 gnus-newsgroup-dependencies)
7440 (set-buffer gnus-summary-buffer)
7441 (gnus-data-set-header
7442 (gnus-data-find (cdr gnus-article-current))
7444 (gnus-summary-update-article-line
7445 (cdr gnus-article-current) header))))))
7447 (set-buffer (or buffer gnus-summary-buffer))
7448 (gnus-summary-update-article (cdr gnus-article-current)))
7449 ;; Prettify the article buffer again.
7450 (unless no-highlight
7452 (set-buffer gnus-article-buffer)
7453 (gnus-run-hooks 'gnus-article-display-hook)
7454 (set-buffer gnus-original-article-buffer)
7455 (gnus-request-article
7456 (cdr gnus-article-current)
7457 (car gnus-article-current) (current-buffer))))
7458 ;; Prettify the summary buffer line.
7459 (when (gnus-visual-p 'summary-highlight 'highlight)
7460 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
7462 (defun gnus-summary-edit-wash (key)
7463 "Perform editing command KEY in the article buffer."
7467 (message "%s" (concat (this-command-keys) "- "))
7470 (gnus-summary-edit-article)
7471 (execute-kbd-macro (concat (this-command-keys) key))
7472 (gnus-article-edit-done))
7476 (defun gnus-summary-respool-query (&optional silent trace)
7477 "Query where the respool algorithm would put this article."
7479 (let (gnus-mark-article-hook)
7480 (gnus-summary-select-article)
7482 (set-buffer gnus-original-article-buffer)
7484 (message-narrow-to-head)
7485 (let ((groups (nnmail-article-group 'identity trace)))
7488 (message "This message would go to %s"
7489 (mapconcat 'car groups ", "))
7490 (message "This message would go to no groups"))
7493 (defun gnus-summary-respool-trace ()
7494 "Trace where the respool algorithm would put this article.
7495 Display a buffer showing all fancy splitting patterns which matched."
7497 (gnus-summary-respool-query nil t))
7499 ;; Summary marking commands.
7501 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
7502 "Mark articles which has the same subject as read, and then select the next.
7503 If UNMARK is positive, remove any kind of mark.
7504 If UNMARK is negative, tick articles."
7507 (setq unmark (prefix-numeric-value unmark)))
7509 (gnus-summary-mark-same-subject
7510 (gnus-summary-article-subject) unmark)))
7511 ;; Select next unread article. If auto-select-same mode, should
7512 ;; select the first unread article.
7513 (gnus-summary-next-article t (and gnus-auto-select-same
7514 (gnus-summary-article-subject)))
7515 (gnus-message 7 "%d article%s marked as %s"
7516 count (if (= count 1) " is" "s are")
7517 (if unmark "unread" "read"))))
7519 (defun gnus-summary-kill-same-subject (&optional unmark)
7520 "Mark articles which has the same subject as read.
7521 If UNMARK is positive, remove any kind of mark.
7522 If UNMARK is negative, tick articles."
7525 (setq unmark (prefix-numeric-value unmark)))
7527 (gnus-summary-mark-same-subject
7528 (gnus-summary-article-subject) unmark)))
7529 ;; If marked as read, go to next unread subject.
7531 ;; Go to next unread subject.
7532 (gnus-summary-next-subject 1 t))
7533 (gnus-message 7 "%d articles are marked as %s"
7534 count (if unmark "unread" "read"))))
7536 (defun gnus-summary-mark-same-subject (subject &optional unmark)
7537 "Mark articles with same SUBJECT as read, and return marked number.
7538 If optional argument UNMARK is positive, remove any kinds of marks.
7539 If optional argument UNMARK is negative, mark articles as unread instead."
7543 ((null unmark) ; Mark as read.
7546 (gnus-summary-mark-article-as-read gnus-killed-mark)
7547 (gnus-summary-show-thread) t)
7548 (gnus-summary-find-subject subject))
7549 (setq count (1+ count))))
7550 ((> unmark 0) ; Tick.
7553 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
7554 (gnus-summary-show-thread) t)
7555 (gnus-summary-find-subject subject))
7556 (setq count (1+ count))))
7557 (t ; Mark as unread.
7560 (gnus-summary-mark-article-as-unread gnus-unread-mark)
7561 (gnus-summary-show-thread) t)
7562 (gnus-summary-find-subject subject))
7563 (setq count (1+ count)))))
7564 (gnus-set-mode-line 'summary)
7565 ;; Return the number of marked articles.
7568 (defun gnus-summary-mark-as-processable (n &optional unmark)
7569 "Set the process mark on the next N articles.
7570 If N is negative, mark backward instead. If UNMARK is non-nil, remove
7571 the process mark instead. The difference between N and the actual
7572 number of articles marked is returned."
7574 (let ((backward (< n 0))
7579 (gnus-summary-remove-process-mark
7580 (gnus-summary-article-number))
7581 (gnus-summary-set-process-mark (gnus-summary-article-number)))
7582 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
7585 (gnus-message 7 "No more articles"))
7586 (gnus-summary-recenter)
7587 (gnus-summary-position-point)
7590 (defun gnus-summary-unmark-as-processable (n)
7591 "Remove the process mark from the next N articles.
7592 If N is negative, unmark backward instead. The difference between N and
7593 the actual number of articles unmarked is returned."
7595 (gnus-summary-mark-as-processable n t))
7597 (defun gnus-summary-unmark-all-processable ()
7598 "Remove the process mark from all articles."
7601 (while gnus-newsgroup-processable
7602 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
7603 (gnus-summary-position-point))
7605 (defun gnus-summary-mark-as-expirable (n)
7606 "Mark N articles forward as expirable.
7607 If N is negative, mark backward instead. The difference between N and
7608 the actual number of articles marked is returned."
7610 (gnus-summary-mark-forward n gnus-expirable-mark))
7612 (defun gnus-summary-mark-article-as-replied (article)
7613 "Mark ARTICLE replied and update the summary line."
7614 (push article gnus-newsgroup-replied)
7615 (let ((buffer-read-only nil))
7616 (when (gnus-summary-goto-subject article nil t)
7617 (gnus-summary-update-secondary-mark article))))
7619 (defun gnus-summary-set-bookmark (article)
7620 "Set a bookmark in current article."
7621 (interactive (list (gnus-summary-article-number)))
7622 (when (or (not (get-buffer gnus-article-buffer))
7623 (not gnus-current-article)
7624 (not gnus-article-current)
7625 (not (equal gnus-newsgroup-name (car gnus-article-current))))
7626 (error "No current article selected"))
7627 ;; Remove old bookmark, if one exists.
7628 (let ((old (assq article gnus-newsgroup-bookmarks)))
7630 (setq gnus-newsgroup-bookmarks
7631 (delq old gnus-newsgroup-bookmarks))))
7632 ;; Set the new bookmark, which is on the form
7633 ;; (article-number . line-number-in-body).
7637 (set-buffer gnus-article-buffer)
7641 (goto-char (point-min))
7642 (search-forward "\n\n" nil t)
7645 gnus-newsgroup-bookmarks)
7646 (gnus-message 6 "A bookmark has been added to the current article."))
7648 (defun gnus-summary-remove-bookmark (article)
7649 "Remove the bookmark from the current article."
7650 (interactive (list (gnus-summary-article-number)))
7651 ;; Remove old bookmark, if one exists.
7652 (let ((old (assq article gnus-newsgroup-bookmarks)))
7655 (setq gnus-newsgroup-bookmarks
7656 (delq old gnus-newsgroup-bookmarks))
7657 (gnus-message 6 "Removed bookmark."))
7658 (gnus-message 6 "No bookmark in current article."))))
7660 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
7661 (defun gnus-summary-mark-as-dormant (n)
7662 "Mark N articles forward as dormant.
7663 If N is negative, mark backward instead. The difference between N and
7664 the actual number of articles marked is returned."
7666 (gnus-summary-mark-forward n gnus-dormant-mark))
7668 (defun gnus-summary-set-process-mark (article)
7669 "Set the process mark on ARTICLE and update the summary line."
7670 (setq gnus-newsgroup-processable
7672 (delq article gnus-newsgroup-processable)))
7673 (when (gnus-summary-goto-subject article)
7674 (gnus-summary-show-thread)
7675 (gnus-summary-goto-subject article)
7676 (gnus-summary-update-secondary-mark article)))
7678 (defun gnus-summary-remove-process-mark (article)
7679 "Remove the process mark from ARTICLE and update the summary line."
7680 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
7681 (when (gnus-summary-goto-subject article)
7682 (gnus-summary-show-thread)
7683 (gnus-summary-goto-subject article)
7684 (gnus-summary-update-secondary-mark article)))
7686 (defun gnus-summary-set-saved-mark (article)
7687 "Set the process mark on ARTICLE and update the summary line."
7688 (push article gnus-newsgroup-saved)
7689 (when (gnus-summary-goto-subject article)
7690 (gnus-summary-update-secondary-mark article)))
7692 (defun gnus-summary-mark-forward (n &optional mark no-expire)
7693 "Mark N articles as read forwards.
7694 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
7695 The difference between N and the actual number of articles marked is
7698 (let ((backward (< n 0))
7699 (gnus-summary-goto-unread
7700 (and gnus-summary-goto-unread
7701 (not (eq gnus-summary-goto-unread 'never))
7702 (not (memq mark (list gnus-unread-mark
7703 gnus-ticked-mark gnus-dormant-mark)))))
7705 (mark (or mark gnus-del-mark)))
7707 (gnus-summary-mark-article nil mark no-expire)
7708 (zerop (gnus-summary-next-subject
7710 (and gnus-summary-goto-unread
7711 (not (eq gnus-summary-goto-unread 'never)))
7715 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
7716 (gnus-summary-recenter)
7717 (gnus-summary-position-point)
7718 (gnus-set-mode-line 'summary)
7721 (defun gnus-summary-mark-article-as-read (mark)
7722 "Mark the current article quickly as read with MARK."
7723 (let ((article (gnus-summary-article-number)))
7724 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
7725 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
7726 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
7727 (push (cons article mark) gnus-newsgroup-reads)
7728 ;; Possibly remove from cache, if that is used.
7729 (when gnus-use-cache
7730 (gnus-cache-enter-remove-article article))
7731 ;; Allow the backend to change the mark.
7732 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
7733 ;; Check for auto-expiry.
7734 (when (and gnus-newsgroup-auto-expire
7735 (or (= mark gnus-killed-mark) (= mark gnus-del-mark)
7736 (= mark gnus-catchup-mark) (= mark gnus-low-score-mark)
7737 (= mark gnus-ancient-mark)
7738 (= mark gnus-read-mark) (= mark gnus-souped-mark)
7739 (= mark gnus-duplicate-mark)))
7740 (setq mark gnus-expirable-mark)
7741 ;; Let the backend know about the mark change.
7742 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
7743 (push article gnus-newsgroup-expirable))
7744 ;; Set the mark in the buffer.
7745 (gnus-summary-update-mark mark 'unread)
7748 (defun gnus-summary-mark-article-as-unread (mark)
7749 "Mark the current article quickly as unread with MARK."
7750 (let* ((article (gnus-summary-article-number))
7751 (old-mark (gnus-summary-article-mark article)))
7752 ;; Allow the backend to change the mark.
7753 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
7754 (if (eq mark old-mark)
7758 (gnus-error 1 "Can't mark negative article numbers")
7760 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
7761 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
7762 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
7763 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
7764 (cond ((= mark gnus-ticked-mark)
7765 (push article gnus-newsgroup-marked))
7766 ((= mark gnus-dormant-mark)
7767 (push article gnus-newsgroup-dormant))
7769 (push article gnus-newsgroup-unreads)))
7770 (gnus-pull article gnus-newsgroup-reads)
7772 ;; See whether the article is to be put in the cache.
7774 (vectorp (gnus-summary-article-header article))
7776 (gnus-cache-possibly-enter-article
7777 gnus-newsgroup-name article
7778 (gnus-summary-article-header article)
7779 (= mark gnus-ticked-mark)
7780 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
7783 (gnus-summary-update-mark mark 'unread)
7786 (defun gnus-summary-mark-article (&optional article mark no-expire)
7787 "Mark ARTICLE with MARK. MARK can be any character.
7788 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
7789 `??' (dormant) and `?E' (expirable).
7790 If MARK is nil, then the default character `?D' is used.
7791 If ARTICLE is nil, then the article on the current line will be
7793 ;; The mark might be a string.
7794 (when (stringp mark)
7795 (setq mark (aref mark 0)))
7796 ;; If no mark is given, then we check auto-expiring.
7797 (and (not no-expire)
7798 gnus-newsgroup-auto-expire
7800 (and (gnus-characterp mark)
7801 (or (= mark gnus-killed-mark) (= mark gnus-del-mark)
7802 (= mark gnus-catchup-mark) (= mark gnus-low-score-mark)
7803 (= mark gnus-read-mark) (= mark gnus-souped-mark)
7804 (= mark gnus-duplicate-mark))))
7805 (setq mark gnus-expirable-mark))
7806 (let* ((mark (or mark gnus-del-mark))
7807 (article (or article (gnus-summary-article-number)))
7808 (old-mark (gnus-summary-article-mark article)))
7809 ;; Allow the backend to change the mark.
7810 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
7811 (if (eq mark old-mark)
7814 (error "No article on current line"))
7815 (if (not (if (or (= mark gnus-unread-mark)
7816 (= mark gnus-ticked-mark)
7817 (= mark gnus-dormant-mark))
7818 (gnus-mark-article-as-unread article mark)
7819 (gnus-mark-article-as-read article mark)))
7821 ;; See whether the article is to be put in the cache.
7823 (not (= mark gnus-canceled-mark))
7824 (vectorp (gnus-summary-article-header article))
7826 (gnus-cache-possibly-enter-article
7827 gnus-newsgroup-name article
7828 (gnus-summary-article-header article)
7829 (= mark gnus-ticked-mark)
7830 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
7832 (when (gnus-summary-goto-subject article nil t)
7833 (let ((buffer-read-only nil))
7834 (gnus-summary-show-thread)
7836 (gnus-summary-update-mark mark 'unread)
7839 (defun gnus-summary-update-secondary-mark (article)
7840 "Update the secondary (read, process, cache) mark."
7841 (gnus-summary-update-mark
7842 (cond ((memq article gnus-newsgroup-processable)
7844 ((memq article gnus-newsgroup-cached)
7846 ((memq article gnus-newsgroup-replied)
7848 ((memq article gnus-newsgroup-saved)
7850 (t gnus-unread-mark))
7852 (when (gnus-visual-p 'summary-highlight 'highlight)
7853 (gnus-run-hooks 'gnus-summary-update-hook))
7856 (defun gnus-summary-update-mark (mark type)
7857 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
7858 (buffer-read-only nil))
7859 (re-search-backward "[\n\r]" (gnus-point-at-bol) 'move-to-limit)
7860 (when (looking-at "\r")
7863 (<= (+ forward (point)) (point-max)))
7864 ;; Go to the right position on the line.
7865 (goto-char (+ forward (point)))
7866 ;; Replace the old mark with the new mark.
7867 (subst-char-in-region (point) (1+ (point)) (following-char) mark)
7868 ;; Optionally update the marks by some user rule.
7869 (when (eq type 'unread)
7871 (gnus-data-find (gnus-summary-article-number)) mark)
7872 (gnus-summary-update-line (eq mark gnus-unread-mark))))))
7874 (defun gnus-mark-article-as-read (article &optional mark)
7875 "Enter ARTICLE in the pertinent lists and remove it from others."
7876 ;; Make the article expirable.
7877 (let ((mark (or mark gnus-del-mark)))
7878 (if (= mark gnus-expirable-mark)
7879 (push article gnus-newsgroup-expirable)
7880 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)))
7881 ;; Remove from unread and marked lists.
7882 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
7883 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
7884 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
7885 (push (cons article mark) gnus-newsgroup-reads)
7886 ;; Possibly remove from cache, if that is used.
7887 (when gnus-use-cache
7888 (gnus-cache-enter-remove-article article))
7891 (defun gnus-mark-article-as-unread (article &optional mark)
7892 "Enter ARTICLE in the pertinent lists and remove it from others."
7893 (let ((mark (or mark gnus-ticked-mark)))
7896 (gnus-error 1 "Can't mark negative article numbers")
7898 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
7899 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
7900 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
7901 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
7903 ;; Unsuppress duplicates?
7904 (when gnus-suppress-duplicates
7905 (gnus-dup-unsuppress-article article))
7907 (cond ((= mark gnus-ticked-mark)
7908 (push article gnus-newsgroup-marked))
7909 ((= mark gnus-dormant-mark)
7910 (push article gnus-newsgroup-dormant))
7912 (push article gnus-newsgroup-unreads)))
7913 (gnus-pull article gnus-newsgroup-reads)
7916 (defalias 'gnus-summary-mark-as-unread-forward
7917 'gnus-summary-tick-article-forward)
7918 (make-obsolete 'gnus-summary-mark-as-unread-forward
7919 'gnus-summary-tick-article-forward)
7920 (defun gnus-summary-tick-article-forward (n)
7921 "Tick N articles forwards.
7922 If N is negative, tick backwards instead.
7923 The difference between N and the number of articles ticked is returned."
7925 (gnus-summary-mark-forward n gnus-ticked-mark))
7927 (defalias 'gnus-summary-mark-as-unread-backward
7928 'gnus-summary-tick-article-backward)
7929 (make-obsolete 'gnus-summary-mark-as-unread-backward
7930 'gnus-summary-tick-article-backward)
7931 (defun gnus-summary-tick-article-backward (n)
7932 "Tick N articles backwards.
7933 The difference between N and the number of articles ticked is returned."
7935 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
7937 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
7938 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
7939 (defun gnus-summary-tick-article (&optional article clear-mark)
7940 "Mark current article as unread.
7941 Optional 1st argument ARTICLE specifies article number to be marked as unread.
7942 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
7944 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
7947 (defun gnus-summary-mark-as-read-forward (n)
7948 "Mark N articles as read forwards.
7949 If N is negative, mark backwards instead.
7950 The difference between N and the actual number of articles marked is
7953 (gnus-summary-mark-forward n gnus-del-mark t))
7955 (defun gnus-summary-mark-as-read-backward (n)
7956 "Mark the N articles as read backwards.
7957 The difference between N and the actual number of articles marked is
7960 (gnus-summary-mark-forward (- n) gnus-del-mark t))
7962 (defun gnus-summary-mark-as-read (&optional article mark)
7963 "Mark current article as read.
7964 ARTICLE specifies the article to be marked as read.
7965 MARK specifies a string to be inserted at the beginning of the line."
7966 (gnus-summary-mark-article article mark))
7968 (defun gnus-summary-clear-mark-forward (n)
7969 "Clear marks from N articles forward.
7970 If N is negative, clear backward instead.
7971 The difference between N and the number of marks cleared is returned."
7973 (gnus-summary-mark-forward n gnus-unread-mark))
7975 (defun gnus-summary-clear-mark-backward (n)
7976 "Clear marks from N articles backward.
7977 The difference between N and the number of marks cleared is returned."
7979 (gnus-summary-mark-forward (- n) gnus-unread-mark))
7981 (defun gnus-summary-mark-unread-as-read ()
7982 "Intended to be used by `gnus-summary-mark-article-hook'."
7983 (when (memq gnus-current-article gnus-newsgroup-unreads)
7984 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
7986 (defun gnus-summary-mark-read-and-unread-as-read ()
7987 "Intended to be used by `gnus-summary-mark-article-hook'."
7988 (let ((mark (gnus-summary-article-mark)))
7989 (when (or (gnus-unread-mark-p mark)
7990 (gnus-read-mark-p mark))
7991 (gnus-summary-mark-article gnus-current-article gnus-read-mark))))
7993 (defun gnus-summary-mark-region-as-read (point mark all)
7994 "Mark all unread articles between point and mark as read.
7995 If given a prefix, mark all articles between point and mark as read,
7996 even ticked and dormant ones."
7997 (interactive "r\nP")
8006 (memq (setq article (gnus-summary-article-number))
8007 gnus-newsgroup-unreads))
8008 (gnus-summary-mark-article article gnus-del-mark))
8010 (gnus-summary-find-next))))))
8012 (defun gnus-summary-mark-below (score mark)
8013 "Mark articles with score less than SCORE with MARK."
8014 (interactive "P\ncMark: ")
8015 (setq score (if score
8016 (prefix-numeric-value score)
8017 (or gnus-summary-default-score 0)))
8019 (set-buffer gnus-summary-buffer)
8020 (goto-char (point-min))
8023 (and (< (gnus-summary-article-score) score)
8024 (gnus-summary-mark-article nil mark))
8025 (gnus-summary-find-next)))))
8027 (defun gnus-summary-kill-below (&optional score)
8028 "Mark articles with score below SCORE as read."
8030 (gnus-summary-mark-below score gnus-killed-mark))
8032 (defun gnus-summary-clear-above (&optional score)
8033 "Clear all marks from articles with score above SCORE."
8035 (gnus-summary-mark-above score gnus-unread-mark))
8037 (defun gnus-summary-tick-above (&optional score)
8038 "Tick all articles with score above SCORE."
8040 (gnus-summary-mark-above score gnus-ticked-mark))
8042 (defun gnus-summary-mark-above (score mark)
8043 "Mark articles with score over SCORE with MARK."
8044 (interactive "P\ncMark: ")
8045 (setq score (if score
8046 (prefix-numeric-value score)
8047 (or gnus-summary-default-score 0)))
8049 (set-buffer gnus-summary-buffer)
8050 (goto-char (point-min))
8052 (when (> (gnus-summary-article-score) score)
8053 (gnus-summary-mark-article nil mark))
8055 (gnus-summary-find-next)))))
8057 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
8058 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
8059 (defun gnus-summary-limit-include-expunged (&optional no-error)
8060 "Display all the hidden articles that were expunged for low scores."
8062 (let ((buffer-read-only nil))
8063 (let ((scored gnus-newsgroup-scored)
8066 (unless (gnus-summary-goto-subject (caar scored))
8067 (and (setq h (gnus-summary-article-header (caar scored)))
8068 (< (cdar scored) gnus-summary-expunge-below)
8070 (setq scored (cdr scored)))
8072 (when (not no-error)
8073 (error "No expunged articles hidden"))
8074 (goto-char (point-min))
8075 (gnus-summary-prepare-unthreaded (nreverse headers))
8076 (goto-char (point-min))
8077 (gnus-summary-position-point)
8080 (defun gnus-summary-catchup (&optional all quietly to-here not-mark)
8081 "Mark all unread articles in this newsgroup as read.
8082 If prefix argument ALL is non-nil, ticked and dormant articles will
8083 also be marked as read.
8084 If QUIETLY is non-nil, no questions will be asked.
8085 If TO-HERE is non-nil, it should be a point in the buffer. All
8086 articles before this point will be marked as read.
8087 Note that this function will only catch up the unread article
8088 in the current summary buffer limitation.
8089 The number of articles marked as read is returned."
8094 (not gnus-interactive-catchup) ;Without confirmation?
8098 "Mark absolutely all articles as read? "
8099 "Mark all unread articles as read? ")))
8101 (not gnus-newsgroup-adaptive)
8102 (not gnus-newsgroup-auto-expire)
8103 (not gnus-suppress-duplicates)
8104 (or (not gnus-use-cache)
8105 (eq gnus-use-cache 'passive)))
8108 (setq gnus-newsgroup-marked nil
8109 gnus-newsgroup-dormant nil))
8110 (setq gnus-newsgroup-unreads gnus-newsgroup-downloadable))
8111 ;; We actually mark all articles as canceled, which we
8112 ;; have to do when using auto-expiry or adaptive scoring.
8113 (gnus-summary-show-all-threads)
8114 (when (gnus-summary-first-subject (not all) t)
8116 (if to-here (< (point) to-here) t)
8117 (gnus-summary-mark-article-as-read gnus-catchup-mark)
8118 (gnus-summary-find-next (not all) nil nil t))))
8119 (gnus-set-mode-line 'summary))
8121 (gnus-summary-position-point)))
8123 (defun gnus-summary-catchup-to-here (&optional all)
8124 "Mark all unticked articles before the current one as read.
8125 If ALL is non-nil, also mark ticked and dormant articles as read."
8128 (gnus-save-hidden-threads
8129 (let ((beg (point)))
8130 ;; We check that there are unread articles.
8131 (when (or all (gnus-summary-find-prev))
8132 (gnus-summary-catchup all t beg)))))
8133 (gnus-summary-position-point))
8135 (defun gnus-summary-catchup-all (&optional quietly)
8136 "Mark all articles in this newsgroup as read."
8138 (gnus-summary-catchup t quietly))
8140 (defun gnus-summary-catchup-and-exit (&optional all quietly)
8141 "Mark all articles not marked as unread in this newsgroup as read, then exit.
8142 If prefix argument ALL is non-nil, all articles are marked as read."
8144 (when (gnus-summary-catchup all quietly nil 'fast)
8145 ;; Select next newsgroup or exit.
8146 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
8147 (eq gnus-auto-select-next 'quietly))
8148 (gnus-summary-next-group nil)
8149 (gnus-summary-exit))))
8151 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
8152 "Mark all articles in this newsgroup as read, and then exit."
8154 (gnus-summary-catchup-and-exit t quietly))
8156 ;; Suggested by "Arne Eofsson" <arne@hodgkin.mbi.ucla.edu>.
8157 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
8158 "Mark all articles in this group as read and select the next group.
8159 If given a prefix, mark all articles, unread as well as ticked, as
8163 (gnus-summary-catchup all))
8164 (gnus-summary-next-article t nil nil t))
8166 ;; Thread-based commands.
8168 (defun gnus-summary-articles-in-thread (&optional article)
8169 "Return a list of all articles in the current thread.
8170 If ARTICLE is non-nil, return all articles in the thread that starts
8172 (let* ((article (or article (gnus-summary-article-number)))
8173 (data (gnus-data-find-list article))
8174 (top-level (gnus-data-level (car data)))
8176 (cond ((null gnus-thread-operation-ignore-subject)
8177 (gnus-simplify-subject-re
8178 (mail-header-subject (gnus-data-header (car data)))))
8179 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
8180 (gnus-simplify-subject-fuzzy
8181 (mail-header-subject (gnus-data-header (car data)))))
8183 (end-point (save-excursion
8184 (if (gnus-summary-go-to-next-thread)
8185 (point) (point-max))))
8188 (< (gnus-data-pos (car data)) end-point))
8189 (when (or (not top-subject)
8190 (string= top-subject
8191 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
8192 (gnus-simplify-subject-fuzzy
8193 (mail-header-subject
8194 (gnus-data-header (car data))))
8195 (gnus-simplify-subject-re
8196 (mail-header-subject
8197 (gnus-data-header (car data)))))))
8198 (push (gnus-data-number (car data)) articles))
8199 (unless (and (setq data (cdr data))
8200 (> (gnus-data-level (car data)) top-level))
8202 ;; Return the list of articles.
8203 (nreverse articles)))
8205 (defun gnus-summary-rethread-current ()
8206 "Rethread the thread the current article is part of."
8208 (let* ((gnus-show-threads t)
8209 (article (gnus-summary-article-number))
8210 (id (mail-header-id (gnus-summary-article-header)))
8211 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
8213 (error "No article on the current line"))
8214 (gnus-rebuild-thread id)
8215 (gnus-summary-goto-subject article)))
8217 (defun gnus-summary-reparent-thread ()
8218 "Make the current article child of the marked (or previous) article.
8220 Note that the re-threading will only work if `gnus-thread-ignore-subject'
8221 is non-nil or the Subject: of both articles are the same."
8223 (unless (not (gnus-group-read-only-p))
8224 (error "The current newsgroup does not support article editing"))
8225 (unless (<= (length gnus-newsgroup-processable) 1)
8226 (error "No more than one article may be marked"))
8227 (save-window-excursion
8228 (let ((gnus-article-buffer " *reparent*")
8229 (current-article (gnus-summary-article-number))
8230 ;; First grab the marked article, otherwise one line up.
8231 (parent-article (if (not (null gnus-newsgroup-processable))
8232 (car gnus-newsgroup-processable)
8234 (if (eq (forward-line -1) 0)
8235 (gnus-summary-article-number)
8236 (error "Beginning of summary buffer"))))))
8237 (unless (not (eq current-article parent-article))
8238 (error "An article may not be self-referential"))
8239 (let ((message-id (mail-header-id
8240 (gnus-summary-article-header parent-article))))
8241 (unless (and message-id (not (equal message-id "")))
8242 (error "No message-id in desired parent"))
8243 ;; We don't want the article to be marked as read.
8244 (let (gnus-mark-article-hook)
8245 (gnus-summary-select-article t t nil current-article))
8246 (set-buffer gnus-original-article-buffer)
8247 (let ((buf (format "%s" (buffer-string))))
8250 (goto-char (point-min))
8251 (if (re-search-forward "^References: " nil t)
8253 (re-search-forward "^[^ \t]" nil t)
8256 (insert " " message-id))
8257 (insert "References: " message-id "\n"))
8258 (unless (gnus-request-replace-article
8259 current-article (car gnus-article-current)
8261 (error "Couldn't replace article"))))
8262 (set-buffer gnus-summary-buffer)
8263 (gnus-summary-unmark-all-processable)
8264 (gnus-summary-update-article current-article)
8265 (gnus-summary-rethread-current)
8266 (gnus-message 3 "Article %d is now the child of article %d"
8267 current-article parent-article)))))
8269 (defun gnus-summary-toggle-threads (&optional arg)
8270 "Toggle showing conversation threads.
8271 If ARG is positive number, turn showing conversation threads on."
8273 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
8274 (setq gnus-show-threads
8275 (if (null arg) (not gnus-show-threads)
8276 (> (prefix-numeric-value arg) 0)))
8277 (gnus-summary-prepare)
8278 (gnus-summary-goto-subject current)
8279 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
8280 (gnus-summary-position-point)))
8282 (defun gnus-summary-show-all-threads ()
8286 (let ((buffer-read-only nil))
8287 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
8288 (gnus-summary-position-point))
8290 (defun gnus-summary-show-thread ()
8291 "Show thread subtrees.
8292 Returns nil if no thread was there to be shown."
8294 (let ((buffer-read-only nil)
8296 ;; first goto end then to beg, to have point at beg after let
8297 (end (progn (end-of-line) (point)))
8298 (beg (progn (beginning-of-line) (point))))
8300 ;; Any hidden lines here?
8301 (search-forward "\r" end t)
8302 (subst-char-in-region beg end ?\^M ?\n t)
8304 (gnus-summary-position-point))))
8306 (defun gnus-summary-hide-all-threads ()
8307 "Hide all thread subtrees."
8310 (goto-char (point-min))
8311 (gnus-summary-hide-thread)
8312 (while (zerop (gnus-summary-next-thread 1 t))
8313 (gnus-summary-hide-thread)))
8314 (gnus-summary-position-point))
8316 (defun gnus-summary-hide-thread ()
8317 "Hide thread subtrees.
8318 Returns nil if no threads were there to be hidden."
8320 (let ((buffer-read-only nil)
8322 (article (gnus-summary-article-number)))
8324 ;; Go forward until either the buffer ends or the subthread
8326 (when (and (not (eobp))
8327 (or (zerop (gnus-summary-next-thread 1 t))
8328 (goto-char (point-max))))
8330 (if (and (> (point) start)
8331 (search-backward "\n" start t))
8333 (subst-char-in-region start (point) ?\n ?\^M)
8334 (gnus-summary-goto-subject article))
8337 ;;(gnus-summary-position-point)
8340 (defun gnus-summary-go-to-next-thread (&optional previous)
8341 "Go to the same level (or less) next thread.
8342 If PREVIOUS is non-nil, go to previous thread instead.
8343 Return the article number moved to, or nil if moving was impossible."
8344 (let ((level (gnus-summary-thread-level))
8345 (way (if previous -1 1))
8348 (while (and (not (eobp))
8349 (< level (gnus-summary-thread-level)))
8357 (gnus-summary-article-number)
8360 (defun gnus-summary-next-thread (n &optional silent)
8361 "Go to the same level next N'th thread.
8362 If N is negative, search backward instead.
8363 Returns the difference between N and the number of skips actually
8366 If SILENT, don't output messages."
8368 (let ((backward (< n 0))
8371 (gnus-summary-go-to-next-thread backward))
8374 (gnus-summary-position-point))
8375 (when (and (not silent) (/= 0 n))
8376 (gnus-message 7 "No more threads"))
8379 (defun gnus-summary-prev-thread (n)
8380 "Go to the same level previous N'th thread.
8381 Returns the difference between N and the number of skips actually
8384 (gnus-summary-next-thread (- n)))
8386 (defun gnus-summary-go-down-thread ()
8387 "Go down one level in the current thread."
8388 (let ((children (gnus-summary-article-children)))
8390 (gnus-summary-goto-subject (car children)))))
8392 (defun gnus-summary-go-up-thread ()
8393 "Go up one level in the current thread."
8394 (let ((parent (gnus-summary-article-parent)))
8396 (gnus-summary-goto-subject parent))))
8398 (defun gnus-summary-down-thread (n)
8399 "Go down thread N steps.
8400 If N is negative, go up instead.
8401 Returns the difference between N and how many steps down that were
8407 (if up (gnus-summary-go-up-thread)
8408 (gnus-summary-go-down-thread)))
8410 (gnus-summary-position-point)
8412 (gnus-message 7 "Can't go further"))
8415 (defun gnus-summary-up-thread (n)
8416 "Go up thread N steps.
8417 If N is negative, go up instead.
8418 Returns the difference between N and how many steps down that were
8421 (gnus-summary-down-thread (- n)))
8423 (defun gnus-summary-top-thread ()
8424 "Go to the top of the thread."
8426 (while (gnus-summary-go-up-thread))
8427 (gnus-summary-article-number))
8429 (defun gnus-summary-kill-thread (&optional unmark)
8430 "Mark articles under current thread as read.
8431 If the prefix argument is positive, remove any kinds of marks.
8432 If the prefix argument is negative, tick articles instead."
8435 (setq unmark (prefix-numeric-value unmark)))
8436 (let ((articles (gnus-summary-articles-in-thread)))
8438 ;; Expand the thread.
8439 (gnus-summary-show-thread)
8440 ;; Mark all the articles.
8442 (gnus-summary-goto-subject (car articles))
8443 (cond ((null unmark)
8444 (gnus-summary-mark-article-as-read gnus-killed-mark))
8446 (gnus-summary-mark-article-as-unread gnus-unread-mark))
8448 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
8449 (setq articles (cdr articles))))
8450 ;; Hide killed subtrees.
8452 gnus-thread-hide-killed
8453 (gnus-summary-hide-thread))
8454 ;; If marked as read, go to next unread subject.
8456 ;; Go to next unread subject.
8457 (gnus-summary-next-subject 1 t)))
8458 (gnus-set-mode-line 'summary))
8460 ;; Summary sorting commands
8462 (defun gnus-summary-sort-by-number (&optional reverse)
8463 "Sort the summary buffer by article number.
8464 Argument REVERSE means reverse order."
8466 (gnus-summary-sort 'number reverse))
8468 (defun gnus-summary-sort-by-author (&optional reverse)
8469 "Sort the summary buffer by author name alphabetically.
8470 If case-fold-search is non-nil, case of letters is ignored.
8471 Argument REVERSE means reverse order."
8473 (gnus-summary-sort 'author reverse))
8475 (defun gnus-summary-sort-by-subject (&optional reverse)
8476 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
8477 If case-fold-search is non-nil, case of letters is ignored.
8478 Argument REVERSE means reverse order."
8480 (gnus-summary-sort 'subject reverse))
8482 (defun gnus-summary-sort-by-date (&optional reverse)
8483 "Sort the summary buffer by date.
8484 Argument REVERSE means reverse order."
8486 (gnus-summary-sort 'date reverse))
8488 (defun gnus-summary-sort-by-score (&optional reverse)
8489 "Sort the summary buffer by score.
8490 Argument REVERSE means reverse order."
8492 (gnus-summary-sort 'score reverse))
8494 (defun gnus-summary-sort-by-lines (&optional reverse)
8495 "Sort the summary buffer by article length.
8496 Argument REVERSE means reverse order."
8498 (gnus-summary-sort 'lines reverse))
8500 (defun gnus-summary-sort (predicate reverse)
8501 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
8502 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
8503 (article (intern (format "gnus-article-sort-by-%s" predicate)))
8504 (gnus-thread-sort-functions
8510 (gnus-article-sort-functions
8515 (,article t2 t1)))))
8517 (gnus-summary-prepare-hook nil))
8518 ;; We do the sorting by regenerating the threads.
8519 (gnus-summary-prepare)
8520 ;; Hide subthreads if needed.
8521 (when (and gnus-show-threads gnus-thread-hide-subtree)
8522 (gnus-summary-hide-all-threads))))
8524 ;; Summary saving commands.
8526 (defun gnus-summary-save-article (&optional n not-saved)
8527 "Save the current article using the default saver function.
8528 If N is a positive number, save the N next articles.
8529 If N is a negative number, save the N previous articles.
8530 If N is nil and any articles have been marked with the process mark,
8531 save those articles instead.
8532 The variable `gnus-default-article-saver' specifies the saver function."
8534 (let* ((articles (gnus-summary-work-articles n))
8535 (save-buffer (save-excursion
8536 (nnheader-set-temp-buffer " *Gnus Save*")))
8537 (num (length articles))
8538 header article file)
8540 (setq header (gnus-summary-article-header
8541 (setq article (pop articles))))
8542 (if (not (vectorp header))
8543 ;; This is a pseudo-article.
8544 (if (assq 'name header)
8545 (gnus-copy-file (cdr (assq 'name header)))
8546 (gnus-message 1 "Article %d is unsaveable" article))
8547 ;; This is a real article.
8548 (save-window-excursion
8549 (gnus-summary-select-article t nil nil article))
8551 (set-buffer save-buffer)
8553 (insert-buffer-substring gnus-original-article-buffer))
8554 (setq file (gnus-article-save save-buffer file num))
8555 (gnus-summary-remove-process-mark article)
8557 (gnus-summary-set-saved-mark article))))
8558 (gnus-kill-buffer save-buffer)
8559 (gnus-summary-position-point)
8560 (gnus-set-mode-line 'summary)
8563 (defun gnus-summary-pipe-output (&optional arg)
8564 "Pipe the current article to a subprocess.
8565 If N is a positive number, pipe the N next articles.
8566 If N is a negative number, pipe the N previous articles.
8567 If N is nil and any articles have been marked with the process mark,
8568 pipe those articles instead."
8570 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe))
8571 (gnus-summary-save-article arg t))
8572 (gnus-configure-windows 'pipe))
8574 (defun gnus-summary-save-article-mail (&optional arg)
8575 "Append the current article to an mail file.
8576 If N is a positive number, save the N next articles.
8577 If N is a negative number, save the N previous articles.
8578 If N is nil and any articles have been marked with the process mark,
8579 save those articles instead."
8581 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
8582 (gnus-summary-save-article arg)))
8584 (defun gnus-summary-save-article-rmail (&optional arg)
8585 "Append the current article to an rmail file.
8586 If N is a positive number, save the N next articles.
8587 If N is a negative number, save the N previous articles.
8588 If N is nil and any articles have been marked with the process mark,
8589 save those articles instead."
8591 (let ((gnus-default-article-saver 'rmail-output-to-rmail-file))
8592 (gnus-summary-save-article arg)))
8594 (defun gnus-summary-save-article-file (&optional arg)
8595 "Append the current article to a file.
8596 If N is a positive number, save the N next articles.
8597 If N is a negative number, save the N previous articles.
8598 If N is nil and any articles have been marked with the process mark,
8599 save those articles instead."
8601 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
8602 (gnus-summary-save-article arg)))
8604 (defun gnus-summary-write-article-file (&optional arg)
8605 "Write the current article to a file, deleting the previous file.
8606 If N is a positive number, save the N next articles.
8607 If N is a negative number, save the N previous articles.
8608 If N is nil and any articles have been marked with the process mark,
8609 save those articles instead."
8611 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
8612 (gnus-summary-save-article arg)))
8614 (defun gnus-summary-save-article-body-file (&optional arg)
8615 "Append the current article body to a file.
8616 If N is a positive number, save the N next articles.
8617 If N is a negative number, save the N previous articles.
8618 If N is nil and any articles have been marked with the process mark,
8619 save those articles instead."
8621 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
8622 (gnus-summary-save-article arg)))
8624 (defun gnus-summary-pipe-message (program)
8625 "Pipe the current article through PROGRAM."
8626 (interactive "sProgram: ")
8627 (gnus-summary-select-article)
8628 (let ((mail-header-separator ""))
8629 (gnus-eval-in-buffer-window gnus-article-buffer
8632 (let ((start (window-start))
8634 (message-pipe-buffer-body program)
8635 (set-window-start (get-buffer-window (current-buffer)) start))))))
8637 (defun gnus-get-split-value (methods)
8638 "Return a value based on the split METHODS."
8639 (let (split-name method result match)
8642 (set-buffer gnus-original-article-buffer)
8644 (nnheader-narrow-to-headers)
8646 (goto-char (point-min))
8647 (setq method (pop methods))
8648 (setq match (car method))
8651 ;; Regular expression.
8653 (re-search-forward match nil t)))
8654 ((gnus-functionp match)
8658 (setq result (funcall match gnus-newsgroup-name))))
8663 (setq result (eval match)))))
8664 (setq split-name (append (cdr method) split-name))
8665 (cond ((stringp result)
8666 (push (expand-file-name
8667 result gnus-article-save-directory)
8670 (setq split-name (append result split-name)))))))))
8673 (defun gnus-valid-move-group-p (group)
8678 (car (gnus-find-method-for-group
8679 (symbol-name group))))
8680 gnus-valid-select-methods))))
8682 (defun gnus-read-move-group-name (prompt default articles prefix)
8683 "Read a group name."
8684 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
8685 (minibuffer-confirm-incomplete nil) ; XEmacs
8689 (if (> (length articles) 1)
8690 (format "these %d articles" (length articles))
8695 (gnus-completing-read default prom
8697 'gnus-valid-move-group-p
8699 'gnus-group-history))
8700 ((= 1 (length split-name))
8701 (gnus-completing-read (car split-name) prom
8703 'gnus-valid-move-group-p
8705 'gnus-group-history))
8707 (gnus-completing-read nil prom
8708 (mapcar (lambda (el) (list el))
8709 (nreverse split-name))
8711 'gnus-group-history)))))
8713 (if (or (string= to-newsgroup "")
8714 (string= to-newsgroup prefix))
8715 (setq to-newsgroup default))
8716 (unless to-newsgroup
8717 (error "No group name entered"))
8718 (or (gnus-active to-newsgroup)
8719 (gnus-activate-group to-newsgroup)
8720 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
8722 (or (and (gnus-request-create-group
8723 to-newsgroup (gnus-group-name-to-method to-newsgroup))
8724 (gnus-activate-group to-newsgroup nil nil
8725 (gnus-group-name-to-method
8727 (error "Couldn't create group %s" to-newsgroup)))
8728 (error "No such group: %s" to-newsgroup)))
8731 ;; Summary extract commands
8733 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
8734 (let ((buffer-read-only nil)
8735 (article (gnus-summary-article-number))
8737 (unless (gnus-summary-goto-subject article)
8738 (error "No such article: %d" article))
8739 (gnus-summary-position-point)
8740 ;; If all commands are to be bunched up on one line, we collect
8742 (unless gnus-view-pseudos-separately
8743 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
8746 (setq action (cdr (assq 'action (car ps))))
8747 (setq files (list (cdr (assq 'name (car ps)))))
8748 (while (and ps (cdr ps)
8749 (string= (or action "1")
8750 (or (cdr (assq 'action (cadr ps))) "2")))
8751 (push (cdr (assq 'name (cadr ps))) files)
8752 (setcdr ps (cddr ps)))
8754 (when (not (string-match "%s" action))
8757 (when (assq 'execute (car ps))
8758 (setcdr (assq 'execute (car ps))
8759 (funcall (if (string-match "%s" action)
8766 (gnus-quote-arg-for-sh-or-csh f)))
8768 (setq ps (cdr ps)))))
8769 (if (and gnus-view-pseudos (not not-view))
8771 (when (assq 'execute (car pslist))
8772 (gnus-execute-command (cdr (assq 'execute (car pslist)))
8773 (eq gnus-view-pseudos 'not-confirm)))
8774 (setq pslist (cdr pslist)))
8777 (setq after-article (or (cdr (assq 'article (car pslist)))
8778 (gnus-summary-article-number)))
8779 (gnus-summary-goto-subject after-article)
8782 (insert " " (file-name-nondirectory
8783 (cdr (assq 'name (car pslist))))
8784 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
8786 (forward-line -1) ; back to `b'
8787 (gnus-add-text-properties
8788 b (1- e) (list 'gnus-number gnus-reffed-article-number
8789 gnus-mouse-face-prop gnus-mouse-face))
8791 after-article gnus-reffed-article-number
8792 gnus-unread-mark b (car pslist) 0 (- e b))
8793 (push gnus-reffed-article-number gnus-newsgroup-unreads)
8794 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
8795 (setq pslist (cdr pslist)))))))
8797 (defun gnus-pseudos< (p1 p2)
8798 (let ((c1 (cdr (assq 'action p1)))
8799 (c2 (cdr (assq 'action p2))))
8800 (and c1 c2 (string< c1 c2))))
8802 (defun gnus-request-pseudo-article (props)
8803 (cond ((assq 'execute props)
8804 (gnus-execute-command (cdr (assq 'execute props)))))
8805 (let ((gnus-current-article (gnus-summary-article-number)))
8806 (gnus-run-hooks 'gnus-mark-article-hook)))
8808 (defun gnus-execute-command (command &optional automatic)
8810 (gnus-article-setup-buffer)
8811 (set-buffer gnus-article-buffer)
8812 (setq buffer-read-only nil)
8813 (let ((command (if automatic command
8814 (read-string "Command: " (cons command 0)))))
8816 (insert "$ " command "\n\n")
8817 (if gnus-view-pseudo-asynchronously
8818 (start-process "gnus-execute" (current-buffer) shell-file-name
8819 shell-command-switch command)
8820 (call-process shell-file-name nil t nil
8821 shell-command-switch command)))))
8823 ;; Summary kill commands.
8825 (defun gnus-summary-edit-global-kill (article)
8826 "Edit the \"global\" kill file."
8827 (interactive (list (gnus-summary-article-number)))
8828 (gnus-group-edit-global-kill article))
8830 (defun gnus-summary-edit-local-kill ()
8831 "Edit a local kill file applied to the current newsgroup."
8833 (setq gnus-current-headers (gnus-summary-article-header))
8834 (gnus-group-edit-local-kill
8835 (gnus-summary-article-number) gnus-newsgroup-name))
8839 (defun gnus-read-header (id &optional header)
8840 "Read the headers of article ID and enter them into the Gnus system."
8841 (let ((group gnus-newsgroup-name)
8842 (gnus-override-method
8843 (and (gnus-news-group-p gnus-newsgroup-name)
8844 gnus-refer-article-method))
8846 ;; First we check to see whether the header in question is already
8849 ;; This is a Message-ID.
8850 (setq header (or header (gnus-id-to-header id)))
8851 ;; This is an article number.
8852 (setq header (or header (gnus-summary-article-header id))))
8854 (not (gnus-summary-article-sparse-p (mail-header-number header))))
8855 ;; We have found the header.
8857 ;; If this is a sparse article, we have to nix out its
8858 ;; previous entry in the thread hashtb.
8860 (gnus-summary-article-sparse-p (mail-header-number header)))
8861 (let* ((parent (gnus-parent-id (mail-header-references header)))
8862 (thread (and parent (gnus-id-to-thread parent))))
8864 (delq (assq header thread) thread))))
8865 ;; We have to really fetch the header to this article.
8867 (set-buffer nntp-server-buffer)
8868 (when (setq where (gnus-request-head id group))
8869 (nnheader-fold-continuation-lines)
8870 (goto-char (point-max))
8872 (goto-char (point-min))
8876 ((cdr where) (cdr where))
8877 (header (mail-header-number header))
8878 (t gnus-reffed-article-number))
8880 (insert " Article retrieved.\n"))
8882 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
8883 () ; Malformed head.
8884 (unless (gnus-summary-article-sparse-p (mail-header-number header))
8885 (when (and (stringp id)
8886 (not (string= (gnus-group-real-name group)
8888 ;; If we fetched by Message-ID and the article came
8889 ;; from a different group, we fudge some bogus article
8890 ;; numbers for this article.
8891 (mail-header-set-number header gnus-reffed-article-number))
8893 (set-buffer gnus-summary-buffer)
8894 (decf gnus-reffed-article-number)
8895 (gnus-remove-header (mail-header-number header))
8896 (push header gnus-newsgroup-headers)
8897 (setq gnus-current-headers header)
8898 (push (mail-header-number header) gnus-newsgroup-limit)))
8901 (defun gnus-remove-header (number)
8902 "Remove header NUMBER from `gnus-newsgroup-headers'."
8903 (if (and gnus-newsgroup-headers
8904 (= number (mail-header-number (car gnus-newsgroup-headers))))
8905 (pop gnus-newsgroup-headers)
8906 (let ((headers gnus-newsgroup-headers))
8907 (while (and (cdr headers)
8908 (not (= number (mail-header-number (cadr headers)))))
8911 (setcdr headers (cddr headers))))))
8914 ;;; summary highlights
8917 (defun gnus-highlight-selected-summary ()
8918 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
8919 ;; Highlight selected article in summary buffer
8920 (when gnus-summary-selected-face
8922 (let* ((beg (progn (beginning-of-line) (point)))
8923 (end (progn (end-of-line) (point)))
8924 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
8925 (from (if (get-text-property beg gnus-mouse-face-prop)
8927 (or (next-single-property-change
8928 beg gnus-mouse-face-prop nil end)
8933 (or (next-single-property-change
8934 from gnus-mouse-face-prop nil end)
8936 ;; If no mouse-face prop on line we will have to = from = end,
8937 ;; so we highlight the entire line instead.
8938 (when (= (+ to 2) from)
8941 (if gnus-newsgroup-selected-overlay
8942 ;; Move old overlay.
8944 gnus-newsgroup-selected-overlay from to (current-buffer))
8945 ;; Create new overlay.
8947 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
8948 'face gnus-summary-selected-face))))))
8950 ;; New implementation by Christian Limpach <Christian.Limpach@nice.ch>.
8951 (defun gnus-summary-highlight-line ()
8952 "Highlight current line according to `gnus-summary-highlight'."
8953 (let* ((list gnus-summary-highlight)
8955 (end (progn (end-of-line) (point)))
8956 ;; now find out where the line starts and leave point there.
8957 (beg (progn (beginning-of-line) (point)))
8958 (article (gnus-summary-article-number))
8959 (score (or (cdr (assq (or article gnus-current-article)
8960 gnus-newsgroup-scored))
8961 gnus-summary-default-score 0))
8962 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
8963 (inhibit-read-only t))
8964 ;; Eval the cars of the lists until we find a match.
8965 (let ((default gnus-summary-default-score))
8967 (not (eval (caar list))))
8968 (setq list (cdr list))))
8969 (let ((face (cdar list)))
8970 (unless (eq face (get-text-property beg 'face))
8971 (gnus-put-text-property-excluding-characters-with-faces
8973 (setq face (if (boundp face) (symbol-value face) face)))
8974 (when gnus-summary-highlight-line-function
8975 (funcall gnus-summary-highlight-line-function article face))))
8978 (defun gnus-update-read-articles (group unread &optional compute)
8979 "Update the list of read articles in GROUP."
8980 (let* ((active (or gnus-newsgroup-active (gnus-active group)))
8981 (entry (gnus-gethash group gnus-newsrc-hashtb))
8982 (info (nth 2 entry))
8984 (unread (sort (copy-sequence unread) '<))
8986 (if (or (not info) (not active))
8987 ;; There is no info on this group if it was, in fact,
8988 ;; killed. Gnus stores no information on killed groups, so
8989 ;; there's nothing to be done.
8990 ;; One could store the information somewhere temporarily,
8991 ;; perhaps... Hmmm...
8993 ;; Remove any negative articles numbers.
8994 (while (and unread (< (car unread) 0))
8995 (setq unread (cdr unread)))
8996 ;; Remove any expired article numbers
8997 (while (and unread (< (car unread) (car active)))
8998 (setq unread (cdr unread)))
8999 ;; Compute the ranges of read articles by looking at the list of
9002 (when (/= (car unread) prev)
9003 (push (if (= prev (1- (car unread))) prev
9004 (cons prev (1- (car unread))))
9006 (setq prev (1+ (car unread)))
9007 (setq unread (cdr unread)))
9008 (when (<= prev (cdr active))
9009 (push (cons prev (cdr active)) read))
9010 (setq read (if (> (length read) 1) (nreverse read) read))
9014 (set-buffer gnus-group-buffer)
9017 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
9018 (gnus-info-set-read ',info ',(gnus-info-read info))
9019 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
9020 (gnus-group-update-group ,group t))))
9021 ;; Enter this list into the group info.
9022 (gnus-info-set-read info read)
9023 ;; Set the number of unread articles in gnus-newsrc-hashtb.
9024 (gnus-get-unread-articles-in-group info (gnus-active group))
9027 (defun gnus-offer-save-summaries ()
9028 "Offer to save all active summary buffers."
9030 (let ((buflist (buffer-list))
9032 ;; Go through all buffers and find all summaries.
9034 (and (setq bufname (buffer-name (car buflist)))
9035 (string-match "Summary" bufname)
9037 (set-buffer bufname)
9038 ;; We check that this is, indeed, a summary buffer.
9039 (and (eq major-mode 'gnus-summary-mode)
9040 ;; Also make sure this isn't bogus.
9041 gnus-newsgroup-prepared
9042 ;; Also make sure that this isn't a dead summary buffer.
9043 (not gnus-dead-summary-mode)))
9044 (push bufname buffers))
9045 (setq buflist (cdr buflist)))
9046 ;; Go through all these summary buffers and offer to save them.
9049 "Update summary buffer %s? "
9051 (switch-to-buffer buf)
9052 (gnus-summary-exit))
9056 ;;; @ for mime-partial
9059 (defun gnus-request-partial-message ()
9061 (let ((number (gnus-summary-article-number))
9062 (group gnus-newsgroup-name)
9063 (mother gnus-article-buffer))
9064 (set-buffer (get-buffer-create " *Partial Article*"))
9066 (setq mime-preview-buffer mother)
9067 (gnus-request-article-this-buffer number group)
9071 (autoload 'mime-combine-message/partial-pieces-automatically
9073 "Internal method to combine message/partial messages automatically.")
9076 'action '((type . message)(subtype . partial)
9077 (major-mode . gnus-original-article-mode)
9078 (method . mime-combine-message/partial-pieces-automatically)
9079 (summary-buffer-exp . gnus-summary-buffer)
9080 (request-partial-message-method . gnus-request-partial-message)
9091 (run-hooks 'gnus-sum-load-hook)
9093 ;;; gnus-sum.el ends here