1 ;;; gnus-sum.el --- summary mode commands for Gnus
2 ;; Copyright (C) 1996 Free Software Foundation, Inc.
4 ;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
7 ;; This file is part of GNU Emacs.
9 ;; GNU Emacs is free software; you can redistribute it and/or modify
10 ;; it under the terms of the GNU General Public License as published by
11 ;; the Free Software Foundation; either version 2, or (at your option)
14 ;; GNU Emacs is distributed in the hope that it will be useful,
15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 ;; GNU General Public License for more details.
19 ;; You should have received a copy of the GNU General Public License
20 ;; along with GNU Emacs; see the file COPYING. If not, write to the
21 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 ;; Boston, MA 02111-1307, USA.
36 (defvar gnus-kill-summary-on-exit t
37 "*If non-nil, kill the summary buffer when you exit from it.
38 If nil, the summary will become a \"*Dead Summary*\" buffer, and
39 it will be killed sometime later.")
41 (defvar gnus-fetch-old-headers nil
42 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
43 If an unread article in the group refers to an older, already read (or
44 just marked as read) article, the old article will not normally be
45 displayed in the Summary buffer. If this variable is non-nil, Gnus
46 will attempt to grab the headers to the old articles, and thereby
47 build complete threads. If it has the value `some', only enough
48 headers to connect otherwise loose threads will be displayed.
49 This variable can also be a number. In that case, no more than that
50 number of old headers will be fetched.
52 The server has to support NOV for any of this to work.")
54 (defvar gnus-summary-make-false-root 'adopt
55 "*nil means that Gnus won't gather loose threads.
56 If the root of a thread has expired or been read in a previous
57 session, the information necessary to build a complete thread has been
58 lost. Instead of having many small sub-threads from this original thread
59 scattered all over the summary buffer, Gnus can gather them.
61 If non-nil, Gnus will try to gather all loose sub-threads from an
62 original thread into one large thread.
64 If this variable is non-nil, it should be one of `none', `adopt',
67 If this variable is `none', Gnus will not make a false root, but just
68 present the sub-threads after another.
69 If this variable is `dummy', Gnus will create a dummy root that will
70 have all the sub-threads as children.
71 If this variable is `adopt', Gnus will make one of the \"children\"
72 the parent and mark all the step-children as such.
73 If this variable is `empty', the \"children\" are printed with empty
74 subject fields. (Or rather, they will be printed with a string
75 given by the `gnus-summary-same-subject' variable.)")
77 (defvar gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
78 "*A regexp to match subjects to be excluded from loose thread gathering.
79 As loose thread gathering is done on subjects only, that means that
80 there can be many false gatherings performed. By rooting out certain
81 common subjects, gathering might become saner.")
83 (defvar gnus-summary-gather-subject-limit nil
84 "*Maximum length of subject comparisons when gathering loose threads.
85 Use nil to compare full subjects. Setting this variable to a low
86 number will help gather threads that have been corrupted by
87 newsreaders chopping off subject lines, but it might also mean that
88 unrelated articles that have subject that happen to begin with the
89 same few characters will be incorrectly gathered.
91 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
94 (defvar gnus-simplify-ignored-prefixes nil
95 "*Regexp, matches for which are removed from subject lines when simplifying fuzzily.")
97 (defvar gnus-build-sparse-threads nil
98 "*If non-nil, fill in the gaps in threads.
99 If `some', only fill in the gaps that are needed to tie loose threads
100 together. If `more', fill in all leaf nodes that Gnus can find. If
101 non-nil and non-`some', fill in all gaps that Gnus manages to guess.")
103 (defvar gnus-summary-thread-gathering-function 'gnus-gather-threads-by-subject
104 "Function used for gathering loose threads.
105 There are two pre-defined functions: `gnus-gather-threads-by-subject',
106 which only takes Subjects into consideration; and
107 `gnus-gather-threads-by-references', which compared the References
108 headers of the articles to find matches.")
110 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
111 (defvar gnus-summary-same-subject ""
112 "*String indicating that the current article has the same subject as the previous.
113 This variable will only be used if the value of
114 `gnus-summary-make-false-root' is `empty'.")
116 (defvar gnus-summary-goto-unread t
117 "*If non-nil, marking commands will go to the next unread article.
118 If `never', \\<gnus-summary-mode-map>\\[gnus-summary-next-page] will go to the next article,
119 whether it is read or not.")
121 (defvar gnus-summary-default-score 0
122 "*Default article score level.
123 If this variable is nil, scoring will be disabled.")
125 (defvar gnus-summary-zcore-fuzz 0
126 "*Fuzziness factor for the zcore in the summary buffer.
127 Articles with scores closer than this to `gnus-summary-default-score'
128 will not be marked.")
130 (defvar gnus-simplify-subject-fuzzy-regexp nil
131 "*Strings to be removed when doing fuzzy matches.
132 This can either be a regular expression or list of regular expressions
133 that will be removed from subject strings if fuzzy subject
134 simplification is selected.")
136 (defvar gnus-show-threads t
137 "*If non-nil, display threads in summary mode.")
139 (defvar gnus-thread-hide-subtree nil
140 "*If non-nil, hide all threads initially.
141 If threads are hidden, you have to run the command
142 `gnus-summary-show-thread' by hand or use `gnus-select-article-hook'
143 to expose hidden threads.")
145 (defvar gnus-thread-hide-killed t
146 "*If non-nil, hide killed threads automatically.")
148 (defvar gnus-thread-ignore-subject nil
149 "*If non-nil, ignore subjects and do all threading based on the Reference header.
150 If nil, which is the default, articles that have different subjects
151 from their parents will start separate threads.")
153 (defvar gnus-thread-operation-ignore-subject t
154 "*If non-nil, subjects will be ignored when doing thread commands.
155 This affects commands like `gnus-summary-kill-thread' and
156 `gnus-summary-lower-thread'.
158 If this variable is nil, articles in the same thread with different
159 subjects will not be included in the operation in question. If this
160 variable is `fuzzy', only articles that have subjects that are fuzzily
161 equal will be included.")
163 (defvar gnus-thread-indent-level 4
164 "*Number that says how much each sub-thread should be indented.")
166 (defvar gnus-auto-extend-newsgroup t
167 "*If non-nil, extend newsgroup forward and backward when requested.")
169 (defvar gnus-auto-select-first t
170 "*If nil, don't select the first unread article when entering a group.
171 If this variable is `best', select the highest-scored unread article
172 in the group. If neither nil nor `best', select the first unread
175 If you want to prevent automatic selection of the first unread article
176 in some newsgroups, set the variable to nil in
177 `gnus-select-group-hook'.")
179 (defvar gnus-auto-select-next t
180 "*If non-nil, offer to go to the next group from the end of the previous.
181 If the value is t and the next newsgroup is empty, Gnus will exit
182 summary mode and go back to group mode. If the value is neither nil
183 nor t, Gnus will select the following unread newsgroup. In
184 particular, if the value is the symbol `quietly', the next unread
185 newsgroup will be selected without any confirmation, and if it is
186 `almost-quietly', the next group will be selected without any
187 confirmation if you are located on the last article in the group.
188 Finally, if this variable is `slightly-quietly', the `Z n' command
189 will go to the next group without confirmation.")
191 (defvar gnus-auto-select-same nil
192 "*If non-nil, select the next article with the same subject.")
194 (defvar gnus-summary-check-current nil
195 "*If non-nil, consider the current article when moving.
196 The \"unread\" movement commands will stay on the same line if the
197 current article is unread.")
199 (defvar gnus-auto-center-summary t
200 "*If non-nil, always center the current summary buffer.
201 In particular, if `vertical' do only vertical recentering. If non-nil
202 and non-`vertical', do both horizontal and vertical recentering.")
204 (defvar gnus-show-all-headers nil
205 "*If non-nil, don't hide any headers.")
207 (defvar gnus-single-article-buffer t
208 "*If non-nil, display all articles in the same buffer.
209 If nil, each group will get its own article buffer.")
211 (defvar gnus-break-pages t
212 "*If non-nil, do page breaking on articles.
213 The page delimiter is specified by the `gnus-page-delimiter'
216 (defvar gnus-show-mime nil
217 "*If non-nil, do mime processing of articles.
218 The articles will simply be fed to the function given by
219 `gnus-show-mime-method'.")
221 (defvar gnus-move-split-methods nil
222 "*Variable used to suggest where articles are to be moved to.
223 It uses the same syntax as the `gnus-split-methods' variable.")
225 ;; Mark variables suggested by Thomas Michanek
226 ;; <Thomas.Michanek@telelogic.se>.
227 (defvar gnus-unread-mark ?
228 "*Mark used for unread articles.")
229 (defvar gnus-ticked-mark ?!
230 "*Mark used for ticked articles.")
231 (defvar gnus-dormant-mark ??
232 "*Mark used for dormant articles.")
233 (defvar gnus-del-mark ?r
234 "*Mark used for del'd articles.")
235 (defvar gnus-read-mark ?R
236 "*Mark used for read articles.")
237 (defvar gnus-expirable-mark ?E
238 "*Mark used for expirable articles.")
239 (defvar gnus-killed-mark ?K
240 "*Mark used for killed articles.")
241 (defvar gnus-souped-mark ?F
242 "*Mark used for killed articles.")
243 (defvar gnus-kill-file-mark ?X
244 "*Mark used for articles killed by kill files.")
245 (defvar gnus-low-score-mark ?Y
246 "*Mark used for articles with a low score.")
247 (defvar gnus-catchup-mark ?C
248 "*Mark used for articles that are caught up.")
249 (defvar gnus-replied-mark ?A
250 "*Mark used for articles that have been replied to.")
251 (defvar gnus-cached-mark ?*
252 "*Mark used for articles that are in the cache.")
253 (defvar gnus-saved-mark ?S
254 "*Mark used for articles that have been saved to.")
255 (defvar gnus-ancient-mark ?O
256 "*Mark used for ancient articles.")
257 (defvar gnus-sparse-mark ?Q
258 "*Mark used for sparsely reffed articles.")
259 (defvar gnus-canceled-mark ?G
260 "*Mark used for canceled articles.")
261 (defvar gnus-score-over-mark ?+
262 "*Score mark used for articles with high scores.")
263 (defvar gnus-score-below-mark ?-
264 "*Score mark used for articles with low scores.")
265 (defvar gnus-empty-thread-mark ?
266 "*There is no thread under the article.")
267 (defvar gnus-not-empty-thread-mark ?=
268 "*There is a thread under the article.")
270 (defvar gnus-view-pseudo-asynchronously nil
271 "*If non-nil, Gnus will view pseudo-articles asynchronously.")
273 (defvar gnus-view-pseudos nil
274 "*If `automatic', pseudo-articles will be viewed automatically.
275 If `not-confirm', pseudos will be viewed automatically, and the user
276 will not be asked to confirm the command.")
278 (defvar gnus-view-pseudos-separately t
279 "*If non-nil, one pseudo-article will be created for each file to be viewed.
280 If nil, all files that use the same viewing command will be given as a
281 list of parameters to that command.")
283 (defvar gnus-insert-pseudo-articles t
284 "*If non-nil, insert pseudo-articles when decoding articles.")
286 (defvar gnus-summary-line-format "%U\%R\%z\%I\%(%[%4L: %-20,20n%]%) %s\n"
287 "*The format specification of the lines in the summary buffer.
289 It works along the same lines as a normal formatting string,
290 with some simple extensions.
292 %N Article number, left padded with spaces (string)
294 %s Subject if it is at the root of a thread, and \"\" otherwise (string)
295 %n Name of the poster (string)
296 %a Extracted name of the poster (string)
297 %A Extracted address of the poster (string)
298 %F Contents of the From: header (string)
299 %x Contents of the Xref: header (string)
300 %D Date of the article (string)
301 %d Date of the article (string) in DD-MMM format
302 %M Message-id of the article (string)
303 %r References of the article (string)
304 %c Number of characters in the article (integer)
305 %L Number of lines in the article (integer)
306 %I Indentation based on thread level (a string of spaces)
307 %T A string with two possible values: 80 spaces if the article
308 is on thread level two or larger and 0 spaces on level one
309 %R \"A\" if this article has been replied to, \" \" otherwise (character)
310 %U Status of this article (character, \"R\", \"K\", \"-\" or \" \")
311 %[ Opening bracket (character, \"[\" or \"<\")
312 %] Closing bracket (character, \"]\" or \">\")
313 %> Spaces of length thread-level (string)
314 %< Spaces of length (- 20 thread-level) (string)
315 %i Article score (number)
316 %z Article zcore (character)
317 %t Number of articles under the current thread (number).
318 %e Whether the thread is empty or not (character).
319 %l GroupLens score (string).
320 %u User defined specifier. The next character in the format string should
321 be a letter. Gnus will call the function gnus-user-format-function-X,
322 where X is the letter following %u. The function will be passed the
323 current header as argument. The function should return a string, which
324 will be inserted into the summary just like information from any other
327 Text between %( and %) will be highlighted with `gnus-mouse-face'
328 when the mouse point is placed inside the area. There can only be one
331 The %U (status), %R (replied) and %z (zcore) specs have to be handled
332 with care. For reasons of efficiency, Gnus will compute what column
333 these characters will end up in, and \"hard-code\" that. This means that
334 it is illegal to have these specs after a variable-length spec. Well,
335 you might not be arrested, but your summary buffer will look strange,
338 The smart choice is to have these specs as for to the left as
341 This restriction may disappear in later versions of Gnus.")
343 (defvar gnus-summary-dummy-line-format
345 "*The format specification for the dummy roots in the summary buffer.
346 It works along the same lines as a normal formatting string,
347 with some simple extensions.
351 (defvar gnus-summary-mode-line-format "Gnus: %%b [%A] %Z"
352 "*The format specification for the summary mode line.
353 It works along the same lines as a normal formatting string,
354 with some simple extensions:
357 %p Unprefixed group name
358 %A Current article number
360 %U Number of unread articles in the group
361 %e Number of unselected articles in the group
362 %Z A string with unread/unselected article counts
363 %g Shortish group name
364 %S Subject of the current article
366 %s Current score file name
367 %d Number of dormant articles
368 %r Number of articles that have been marked as read in this session
369 %E Number of articles expunged by the score files")
371 (defvar gnus-summary-mark-below 0
372 "*Mark all articles with a score below this variable as read.
373 This variable is local to each summary buffer and usually set by the
376 (defvar gnus-article-sort-functions '(gnus-article-sort-by-number)
377 "*List of functions used for sorting articles in the summary buffer.
378 This variable is only used when not using a threaded display.")
380 (defvar gnus-thread-sort-functions '(gnus-thread-sort-by-number)
381 "*List of functions used for sorting threads in the summary buffer.
382 By default, threads are sorted by article number.
384 Each function takes two threads and return non-nil if the first thread
385 should be sorted before the other. If you use more than one function,
386 the primary sort function should be the last. You should probably
387 always include `gnus-thread-sort-by-number' in the list of sorting
388 functions -- preferably first.
390 Ready-mady functions include `gnus-thread-sort-by-number',
391 `gnus-thread-sort-by-author', `gnus-thread-sort-by-subject',
392 `gnus-thread-sort-by-date', `gnus-thread-sort-by-score' and
393 `gnus-thread-sort-by-total-score' (see `gnus-thread-score-function').")
395 (defvar gnus-thread-score-function '+
396 "*Function used for calculating the total score of a thread.
398 The function is called with the scores of the article and each
399 subthread and should then return the score of the thread.
401 Some functions you can use are `+', `max', or `min'.")
403 (defvar gnus-summary-expunge-below nil
404 "All articles that have a score less than this variable will be expunged.")
406 (defvar gnus-thread-expunge-below nil
407 "All threads that have a total score less than this variable will be expunged.
408 See `gnus-thread-score-function' for en explanation of what a
409 \"thread score\" is.")
411 (defvar gnus-summary-mode-hook nil
412 "*A hook for Gnus summary mode.
413 This hook is run before any variables are set in the summary buffer.")
415 (defvar gnus-summary-exit-hook nil
416 "*A hook called on exit from the summary buffer.")
418 (defvar gnus-summary-prepare-hook nil
419 "*A hook called after the summary buffer has been generated.
420 If you want to modify the summary buffer, you can use this hook.")
422 (defvar gnus-summary-generate-hook nil
423 "*A hook run just before generating the summary buffer.
424 This hook is commonly used to customize threading variables and the
427 (defvar gnus-select-group-hook nil
428 "*A hook called when a newsgroup is selected.
430 If you'd like to simplify subjects like the
431 `gnus-summary-next-same-subject' command does, you can use the
434 (setq gnus-select-group-hook
437 (mapcar (lambda (header)
438 (mail-header-set-subject
440 (gnus-simplify-subject
441 (mail-header-subject header) 're-only)))
442 gnus-newsgroup-headers))))")
444 (defvar gnus-select-article-hook nil
445 "*A hook called when an article is selected.")
447 (defvar gnus-visual-mark-article-hook
448 (list 'gnus-highlight-selected-summary)
449 "*Hook run after selecting an article in the summary buffer.
450 It is meant to be used for highlighting the article in some way. It
451 is not run if `gnus-visual' is nil.")
453 (defvar gnus-parse-headers-hook nil
454 "*A hook called before parsing the headers.")
455 (add-hook 'gnus-parse-headers-hook 'gnus-decode-rfc1522)
457 (defvar gnus-exit-group-hook nil
458 "*A hook called when exiting (not quitting) summary mode.")
460 (defvar gnus-summary-update-hook
461 (list 'gnus-summary-highlight-line)
462 "*A hook called when a summary line is changed.
463 The hook will not be called if `gnus-visual' is nil.
465 The default function `gnus-summary-highlight-line' will
466 highlight the line according to the `gnus-summary-highlight'
469 (defvar gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
470 "*A hook called when an article is selected for the first time.
471 The hook is intended to mark an article as read (or unread)
472 automatically when it is selected.")
474 (defvar gnus-summary-display-table
475 ;; Change the display table. Odd characters have a tendency to mess
476 ;; up nicely formatted displays - we make all possible glyphs
477 ;; display only a single character.
479 ;; We start from the standard display table, if any.
480 (let ((table (or (copy-sequence standard-display-table)
481 (make-display-table)))
482 ;; Nix out all the control chars...
484 (while (>= (setq i (1- i)) 0)
486 ;; ... but not newline and cr, of course. (cr is necessary for the
487 ;; selective display).
490 ;; We nix out any glyphs over 126 that are not set already.
492 (while (>= (setq i (1- i)) 127)
493 ;; Only modify if the entry is nil.
495 (aset table i [??]))))
497 "Display table used in summary mode buffers.")
499 ;;; Internal variables
501 (defvar gnus-original-article-buffer " *Original Article*")
502 (defvar gnus-original-article nil)
503 (defvar gnus-article-internal-prepare-hook nil)
505 (defvar gnus-thread-indent-array nil)
506 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
508 ;; Avoid highlighting in kill files.
509 (defvar gnus-summary-inhibit-highlight nil)
510 (defvar gnus-newsgroup-selected-overlay nil)
511 (defvar gnus-inhibit-limiting nil)
512 (defvar gnus-newsgroup-adaptive-score-file nil)
513 (defvar gnus-current-score-file nil)
514 (defvar gnus-current-move-group nil)
515 (defvar gnus-current-copy-group nil)
516 (defvar gnus-current-crosspost-group nil)
518 (defvar gnus-newsgroup-dependencies nil)
519 (defvar gnus-newsgroup-adaptive nil)
520 (defvar gnus-summary-display-article-function nil)
521 (defvar gnus-summary-highlight-line-function nil
522 "Function called after highlighting a summary line.")
524 (defvar gnus-summary-line-format-alist
525 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
526 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
527 (?s gnus-tmp-subject-or-nil ?s)
528 (?n gnus-tmp-name ?s)
529 (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
531 (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
533 (?F gnus-tmp-from ?s)
534 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
535 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
536 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
537 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
538 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
539 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
540 (?L gnus-tmp-lines ?d)
541 (?I gnus-tmp-indentation ?s)
542 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
543 (?R gnus-tmp-replied ?c)
544 (?\[ gnus-tmp-opening-bracket ?c)
545 (?\] gnus-tmp-closing-bracket ?c)
546 (?\> (make-string gnus-tmp-level ? ) ?s)
547 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
548 (?i gnus-tmp-score ?d)
549 (?z gnus-tmp-score-char ?c)
550 (?l (bbb-grouplens-score gnus-tmp-header) ?s)
551 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
552 (?U gnus-tmp-unread ?c)
553 (?t (gnus-summary-number-of-articles-in-thread
554 (and (boundp 'thread) (car thread)) gnus-tmp-level)
556 (?e (gnus-summary-number-of-articles-in-thread
557 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
559 (?u gnus-tmp-user-defined ?s))
560 "An alist of format specifications that can appear in summary lines,
561 and what variables they correspond with, along with the type of the
562 variable (string, integer, character, etc).")
564 (defvar gnus-summary-dummy-line-format-alist
565 `((?S gnus-tmp-subject ?s)
566 (?N gnus-tmp-number ?d)
567 (?u gnus-tmp-user-defined ?s)))
569 (defvar gnus-summary-mode-line-format-alist
570 `((?G gnus-tmp-group-name ?s)
571 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
572 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
573 (?A gnus-tmp-article-number ?d)
574 (?Z gnus-tmp-unread-and-unselected ?s)
576 (?U gnus-tmp-unread-and-unticked ?d)
577 (?S gnus-tmp-subject ?s)
578 (?e gnus-tmp-unselected ?d)
579 (?u gnus-tmp-user-defined ?s)
580 (?d (length gnus-newsgroup-dormant) ?d)
581 (?t (length gnus-newsgroup-marked) ?d)
582 (?r (length gnus-newsgroup-reads) ?d)
583 (?E gnus-newsgroup-expunged-tally ?d)
584 (?s (gnus-current-score-file-nondirectory) ?s)))
586 (defvar gnus-last-search-regexp nil
587 "Default regexp for article search command.")
589 (defvar gnus-last-shell-command nil
590 "Default shell command on article.")
592 (defvar gnus-newsgroup-begin nil)
593 (defvar gnus-newsgroup-end nil)
594 (defvar gnus-newsgroup-last-rmail nil)
595 (defvar gnus-newsgroup-last-mail nil)
596 (defvar gnus-newsgroup-last-folder nil)
597 (defvar gnus-newsgroup-last-file nil)
598 (defvar gnus-newsgroup-auto-expire nil)
599 (defvar gnus-newsgroup-active nil)
601 (defvar gnus-newsgroup-data nil)
602 (defvar gnus-newsgroup-data-reverse nil)
603 (defvar gnus-newsgroup-limit nil)
604 (defvar gnus-newsgroup-limits nil)
606 (defvar gnus-newsgroup-unreads nil
607 "List of unread articles in the current newsgroup.")
609 (defvar gnus-newsgroup-unselected nil
610 "List of unselected unread articles in the current newsgroup.")
612 (defvar gnus-newsgroup-reads nil
613 "Alist of read articles and article marks in the current newsgroup.")
615 (defvar gnus-newsgroup-expunged-tally nil)
617 (defvar gnus-newsgroup-marked nil
618 "List of ticked articles in the current newsgroup (a subset of unread art).")
620 (defvar gnus-newsgroup-killed nil
621 "List of ranges of articles that have been through the scoring process.")
623 (defvar gnus-newsgroup-cached nil
624 "List of articles that come from the article cache.")
626 (defvar gnus-newsgroup-saved nil
627 "List of articles that have been saved.")
629 (defvar gnus-newsgroup-kill-headers nil)
631 (defvar gnus-newsgroup-replied nil
632 "List of articles that have been replied to in the current newsgroup.")
634 (defvar gnus-newsgroup-expirable nil
635 "List of articles in the current newsgroup that can be expired.")
637 (defvar gnus-newsgroup-processable nil
638 "List of articles in the current newsgroup that can be processed.")
640 (defvar gnus-newsgroup-bookmarks nil
641 "List of articles in the current newsgroup that have bookmarks.")
643 (defvar gnus-newsgroup-dormant nil
644 "List of dormant articles in the current newsgroup.")
646 (defvar gnus-newsgroup-scored nil
647 "List of scored articles in the current newsgroup.")
649 (defvar gnus-newsgroup-headers nil
650 "List of article headers in the current newsgroup.")
652 (defvar gnus-newsgroup-threads nil)
654 (defvar gnus-newsgroup-prepared nil
655 "Whether the current group has been prepared properly.")
657 (defvar gnus-newsgroup-ancient nil
658 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
660 (defvar gnus-newsgroup-sparse nil)
662 (defvar gnus-current-article nil)
663 (defvar gnus-article-current nil)
664 (defvar gnus-current-headers nil)
665 (defvar gnus-have-all-headers nil)
666 (defvar gnus-last-article nil)
667 (defvar gnus-newsgroup-history nil)
669 (defconst gnus-summary-local-variables
670 '(gnus-newsgroup-name
671 gnus-newsgroup-begin gnus-newsgroup-end
672 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
673 gnus-newsgroup-last-folder gnus-newsgroup-last-file
674 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
675 gnus-newsgroup-unselected gnus-newsgroup-marked
676 gnus-newsgroup-reads gnus-newsgroup-saved
677 gnus-newsgroup-replied gnus-newsgroup-expirable
678 gnus-newsgroup-processable gnus-newsgroup-killed
679 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
680 gnus-newsgroup-headers gnus-newsgroup-threads
681 gnus-newsgroup-prepared gnus-summary-highlight-line-function
682 gnus-current-article gnus-current-headers gnus-have-all-headers
683 gnus-last-article gnus-article-internal-prepare-hook
684 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
685 gnus-newsgroup-scored gnus-newsgroup-kill-headers
686 gnus-thread-expunge-below
687 gnus-score-alist gnus-current-score-file gnus-summary-expunge-below
688 (gnus-summary-mark-below . global)
689 gnus-newsgroup-active gnus-scores-exclude-files
690 gnus-newsgroup-history gnus-newsgroup-ancient
691 gnus-newsgroup-sparse
692 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
693 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
694 (gnus-newsgroup-expunged-tally . 0)
695 gnus-cache-removable-articles gnus-newsgroup-cached
696 gnus-newsgroup-data gnus-newsgroup-data-reverse
697 gnus-newsgroup-limit gnus-newsgroup-limits)
698 "Variables that are buffer-local to the summary buffers.")
700 ;; Byte-compiler warning.
701 (defvar gnus-article-mode-map)
703 ;; Subject simplification.
705 (defsubst gnus-simplify-subject-re (subject)
706 "Remove \"Re:\" from subject lines."
707 (if (string-match "^[Rr][Ee]: *" subject)
708 (substring subject (match-end 0))
711 (defun gnus-simplify-subject (subject &optional re-only)
712 "Remove `Re:' and words in parentheses.
713 If RE-ONLY is non-nil, strip leading `Re:'s only."
714 (let ((case-fold-search t)) ;Ignore case.
715 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
716 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
717 (setq subject (substring subject (match-end 0))))
718 ;; Remove uninteresting prefixes.
719 (if (and (not re-only)
720 gnus-simplify-ignored-prefixes
721 (string-match gnus-simplify-ignored-prefixes subject))
722 (setq subject (substring subject (match-end 0))))
723 ;; Remove words in parentheses from end.
725 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
726 (setq subject (substring subject 0 (match-beginning 0)))))
727 ;; Return subject string.
730 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
732 ;; Written by Stainless Steel Rat <ratinox@ccs.neu.edu>.
733 (defun gnus-simplify-buffer-fuzzy ()
734 (let ((case-fold-search t))
735 (goto-char (point-min))
736 (while (search-forward "\t" nil t)
737 (replace-match " " t t))
738 (goto-char (point-min))
739 (re-search-forward "^ *\\(re\\|fwd\\)[[{(^0-9]*[])}]?[:;] *" nil t)
740 (goto-char (match-beginning 0))
742 (looking-at "^ *\\(re\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
743 (looking-at "^[[].*: .*[]]$"))
744 (goto-char (point-min))
745 (while (re-search-forward "^ *\\(re\\|fwd\\)[[{(^0-9]*[])}]?[:;] *"
747 (replace-match "" t t))
748 (goto-char (point-min))
749 (while (re-search-forward "^[[].*: .*[]]$" nil t)
750 (goto-char (match-end 0))
753 (progn (goto-char (match-beginning 0)))
754 (re-search-forward ":"))))
755 (goto-char (point-min))
756 (while (re-search-forward " *[[{(][^()\n]*[]})] *$" nil t)
757 (replace-match "" t t))
758 (goto-char (point-min))
759 (while (re-search-forward " +" nil t)
760 (replace-match " " t t))
761 (goto-char (point-min))
762 (while (re-search-forward " $" nil t)
763 (replace-match "" t t))
764 (goto-char (point-min))
765 (while (re-search-forward "^ +" nil t)
766 (replace-match "" t t))
767 (goto-char (point-min))
768 (when gnus-simplify-subject-fuzzy-regexp
769 (if (listp gnus-simplify-subject-fuzzy-regexp)
770 (let ((list gnus-simplify-subject-fuzzy-regexp))
772 (goto-char (point-min))
773 (while (re-search-forward (car list) nil t)
774 (replace-match "" t t))
775 (setq list (cdr list))))
776 (while (re-search-forward gnus-simplify-subject-fuzzy-regexp nil t)
777 (replace-match "" t t))))))
779 (defun gnus-simplify-subject-fuzzy (subject)
780 "Siplify a subject string fuzzily."
782 (gnus-set-work-buffer)
783 (let ((case-fold-search t))
785 (inline (gnus-simplify-buffer-fuzzy))
788 (defsubst gnus-simplify-subject-fully (subject)
789 "Simplify a subject string according to the user's wishes."
791 ((null gnus-summary-gather-subject-limit)
792 (gnus-simplify-subject-re subject))
793 ((eq gnus-summary-gather-subject-limit 'fuzzy)
794 (gnus-simplify-subject-fuzzy subject))
795 ((numberp gnus-summary-gather-subject-limit)
796 (gnus-limit-string (gnus-simplify-subject-re subject)
797 gnus-summary-gather-subject-limit))
801 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
802 "Check whether two subjects are equal. If optional argument
803 simple-first is t, first argument is already simplified."
806 (equal (gnus-simplify-subject-fully s1)
807 (gnus-simplify-subject-fully s2)))
810 (gnus-simplify-subject-fully s2)))))
812 (defun gnus-offer-save-summaries ()
813 "Offer to save all active summary buffers."
815 (let ((buflist (buffer-list))
817 ;; Go through all buffers and find all summaries.
819 (and (setq bufname (buffer-name (car buflist)))
820 (string-match "Summary" bufname)
823 ;; We check that this is, indeed, a summary buffer.
824 (and (eq major-mode 'gnus-summary-mode)
825 ;; Also make sure this isn't bogus.
826 gnus-newsgroup-prepared))
827 (push bufname buffers))
828 (setq buflist (cdr buflist)))
829 ;; Go through all these summary buffers and offer to save them.
832 "Update summary buffer %s? "
833 (lambda (buf) (set-buffer buf) (gnus-summary-exit))
836 (defun gnus-summary-bubble-group ()
837 "Increase the score of the current group.
838 This is a handy function to add to `gnus-summary-exit-hook' to
839 increase the score of each group you read."
840 (gnus-group-add-score gnus-newsgroup-name))
844 ;;; Gnus summary mode
847 (put 'gnus-summary-mode 'mode-class 'special)
850 ;; Non-orthogonal keys
852 (gnus-define-keys gnus-summary-mode-map
853 " " gnus-summary-next-page
854 "\177" gnus-summary-prev-page
855 [delete] gnus-summary-prev-page
856 "\r" gnus-summary-scroll-up
857 "n" gnus-summary-next-unread-article
858 "p" gnus-summary-prev-unread-article
859 "N" gnus-summary-next-article
860 "P" gnus-summary-prev-article
861 "\M-\C-n" gnus-summary-next-same-subject
862 "\M-\C-p" gnus-summary-prev-same-subject
863 "\M-n" gnus-summary-next-unread-subject
864 "\M-p" gnus-summary-prev-unread-subject
865 "." gnus-summary-first-unread-article
866 "," gnus-summary-best-unread-article
867 "\M-s" gnus-summary-search-article-forward
868 "\M-r" gnus-summary-search-article-backward
869 "<" gnus-summary-beginning-of-article
870 ">" gnus-summary-end-of-article
871 "j" gnus-summary-goto-article
872 "^" gnus-summary-refer-parent-article
873 "\M-^" gnus-summary-refer-article
874 "u" gnus-summary-tick-article-forward
875 "!" gnus-summary-tick-article-forward
876 "U" gnus-summary-tick-article-backward
877 "d" gnus-summary-mark-as-read-forward
878 "D" gnus-summary-mark-as-read-backward
879 "E" gnus-summary-mark-as-expirable
880 "\M-u" gnus-summary-clear-mark-forward
881 "\M-U" gnus-summary-clear-mark-backward
882 "k" gnus-summary-kill-same-subject-and-select
883 "\C-k" gnus-summary-kill-same-subject
884 "\M-\C-k" gnus-summary-kill-thread
885 "\M-\C-l" gnus-summary-lower-thread
886 "e" gnus-summary-edit-article
887 "#" gnus-summary-mark-as-processable
888 "\M-#" gnus-summary-unmark-as-processable
889 "\M-\C-t" gnus-summary-toggle-threads
890 "\M-\C-s" gnus-summary-show-thread
891 "\M-\C-h" gnus-summary-hide-thread
892 "\M-\C-f" gnus-summary-next-thread
893 "\M-\C-b" gnus-summary-prev-thread
894 "\M-\C-u" gnus-summary-up-thread
895 "\M-\C-d" gnus-summary-down-thread
896 "&" gnus-summary-execute-command
897 "c" gnus-summary-catchup-and-exit
898 "\C-w" gnus-summary-mark-region-as-read
899 "\C-t" gnus-summary-toggle-truncation
900 "?" gnus-summary-mark-as-dormant
901 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
902 "\C-c\C-s\C-n" gnus-summary-sort-by-number
903 "\C-c\C-s\C-a" gnus-summary-sort-by-author
904 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
905 "\C-c\C-s\C-d" gnus-summary-sort-by-date
906 "\C-c\C-s\C-i" gnus-summary-sort-by-score
907 "=" gnus-summary-expand-window
908 "\C-x\C-s" gnus-summary-reselect-current-group
909 "\M-g" gnus-summary-rescan-group
910 "w" gnus-summary-stop-page-breaking
911 "\C-c\C-r" gnus-summary-caesar-message
912 "\M-t" gnus-summary-toggle-mime
913 "f" gnus-summary-followup
914 "F" gnus-summary-followup-with-original
915 "C" gnus-summary-cancel-article
916 "r" gnus-summary-reply
917 "R" gnus-summary-reply-with-original
918 "\C-c\C-f" gnus-summary-mail-forward
919 "o" gnus-summary-save-article
920 "\C-o" gnus-summary-save-article-mail
921 "|" gnus-summary-pipe-output
922 "\M-k" gnus-summary-edit-local-kill
923 "\M-K" gnus-summary-edit-global-kill
925 "\C-c\C-d" gnus-summary-describe-group
926 "q" gnus-summary-exit
927 "Q" gnus-summary-exit-no-update
928 "\C-c\C-i" gnus-info-find-node
929 gnus-mouse-2 gnus-mouse-pick-article
930 "m" gnus-summary-mail-other-window
931 "a" gnus-summary-post-news
932 "x" gnus-summary-limit-to-unread
933 "s" gnus-summary-isearch-article
934 "t" gnus-article-hide-headers
935 "g" gnus-summary-show-article
936 "l" gnus-summary-goto-last-article
937 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
938 "\C-d" gnus-summary-enter-digest-group
940 "*" gnus-cache-enter-article
941 "\M-*" gnus-cache-remove-article
942 "\M-&" gnus-summary-universal-argument
944 "I" gnus-summary-increase-score
945 "L" gnus-summary-lower-score
947 "V" gnus-summary-score-map
948 "X" gnus-uu-extract-map
949 "S" gnus-summary-send-map)
951 ;; Sort of orthogonal keymap
952 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
953 "t" gnus-summary-tick-article-forward
954 "!" gnus-summary-tick-article-forward
955 "d" gnus-summary-mark-as-read-forward
956 "r" gnus-summary-mark-as-read-forward
957 "c" gnus-summary-clear-mark-forward
958 " " gnus-summary-clear-mark-forward
959 "e" gnus-summary-mark-as-expirable
960 "x" gnus-summary-mark-as-expirable
961 "?" gnus-summary-mark-as-dormant
962 "b" gnus-summary-set-bookmark
963 "B" gnus-summary-remove-bookmark
964 "#" gnus-summary-mark-as-processable
965 "\M-#" gnus-summary-unmark-as-processable
966 "S" gnus-summary-limit-include-expunged
967 "C" gnus-summary-catchup
968 "H" gnus-summary-catchup-to-here
969 "\C-c" gnus-summary-catchup-all
970 "k" gnus-summary-kill-same-subject-and-select
971 "K" gnus-summary-kill-same-subject
972 "P" gnus-uu-mark-map)
974 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mode-map)
975 "c" gnus-summary-clear-above
976 "u" gnus-summary-tick-above
977 "m" gnus-summary-mark-above
978 "k" gnus-summary-kill-below)
980 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
981 "/" gnus-summary-limit-to-subject
982 "n" gnus-summary-limit-to-articles
983 "w" gnus-summary-pop-limit
984 "s" gnus-summary-limit-to-subject
985 "a" gnus-summary-limit-to-author
986 "u" gnus-summary-limit-to-unread
987 "m" gnus-summary-limit-to-marks
988 "v" gnus-summary-limit-to-score
989 "D" gnus-summary-limit-include-dormant
990 "d" gnus-summary-limit-exclude-dormant
991 ;; "t" gnus-summary-limit-exclude-thread
992 "E" gnus-summary-limit-include-expunged
993 "c" gnus-summary-limit-exclude-childless-dormant
994 "C" gnus-summary-limit-mark-excluded-as-read)
996 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
997 "n" gnus-summary-next-unread-article
998 "p" gnus-summary-prev-unread-article
999 "N" gnus-summary-next-article
1000 "P" gnus-summary-prev-article
1001 "\C-n" gnus-summary-next-same-subject
1002 "\C-p" gnus-summary-prev-same-subject
1003 "\M-n" gnus-summary-next-unread-subject
1004 "\M-p" gnus-summary-prev-unread-subject
1005 "f" gnus-summary-first-unread-article
1006 "b" gnus-summary-best-unread-article
1007 "j" gnus-summary-goto-article
1008 "g" gnus-summary-goto-subject
1009 "l" gnus-summary-goto-last-article
1010 "p" gnus-summary-pop-article)
1012 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1013 "k" gnus-summary-kill-thread
1014 "l" gnus-summary-lower-thread
1015 "i" gnus-summary-raise-thread
1016 "T" gnus-summary-toggle-threads
1017 "t" gnus-summary-rethread-current
1018 "^" gnus-summary-reparent-thread
1019 "s" gnus-summary-show-thread
1020 "S" gnus-summary-show-all-threads
1021 "h" gnus-summary-hide-thread
1022 "H" gnus-summary-hide-all-threads
1023 "n" gnus-summary-next-thread
1024 "p" gnus-summary-prev-thread
1025 "u" gnus-summary-up-thread
1026 "o" gnus-summary-top-thread
1027 "d" gnus-summary-down-thread
1028 "#" gnus-uu-mark-thread
1029 "\M-#" gnus-uu-unmark-thread)
1031 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1032 "c" gnus-summary-catchup-and-exit
1033 "C" gnus-summary-catchup-all-and-exit
1034 "E" gnus-summary-exit-no-update
1035 "Q" gnus-summary-exit
1036 "Z" gnus-summary-exit
1037 "n" gnus-summary-catchup-and-goto-next-group
1038 "R" gnus-summary-reselect-current-group
1039 "G" gnus-summary-rescan-group
1040 "N" gnus-summary-next-group
1041 "P" gnus-summary-prev-group)
1043 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1044 " " gnus-summary-next-page
1045 "n" gnus-summary-next-page
1046 "\177" gnus-summary-prev-page
1047 [delete] gnus-summary-prev-page
1048 "p" gnus-summary-prev-page
1049 "\r" gnus-summary-scroll-up
1050 "<" gnus-summary-beginning-of-article
1051 ">" gnus-summary-end-of-article
1052 "b" gnus-summary-beginning-of-article
1053 "e" gnus-summary-end-of-article
1054 "^" gnus-summary-refer-parent-article
1055 "r" gnus-summary-refer-parent-article
1056 "R" gnus-summary-refer-references
1057 "g" gnus-summary-show-article
1058 "s" gnus-summary-isearch-article)
1060 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1061 "b" gnus-article-add-buttons
1062 "B" gnus-article-add-buttons-to-head
1063 "o" gnus-article-treat-overstrike
1064 "e" gnus-article-emphasize
1065 "w" gnus-article-fill-cited-article
1066 "c" gnus-article-remove-cr
1067 "L" gnus-article-remove-trailing-blank-lines
1068 "q" gnus-article-de-quoted-unreadable
1069 "f" gnus-article-display-x-face
1070 "l" gnus-summary-stop-page-breaking
1071 "r" gnus-summary-caesar-message
1072 "t" gnus-article-hide-headers
1073 "v" gnus-summary-verbose-headers
1074 "m" gnus-summary-toggle-mime)
1076 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1077 "a" gnus-article-hide
1078 "h" gnus-article-hide-headers
1079 "b" gnus-article-hide-boring-headers
1080 "s" gnus-article-hide-signature
1081 "c" gnus-article-hide-citation
1082 "p" gnus-article-hide-pgp
1083 "P" gnus-article-hide-pem
1084 "\C-c" gnus-article-hide-citation-maybe)
1086 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
1087 "a" gnus-article-highlight
1088 "h" gnus-article-highlight-headers
1089 "c" gnus-article-highlight-citation
1090 "s" gnus-article-highlight-signature)
1092 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
1093 "z" gnus-article-date-ut
1094 "u" gnus-article-date-ut
1095 "l" gnus-article-date-local
1096 "e" gnus-article-date-lapsed
1097 "o" gnus-article-date-original)
1099 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
1101 "f" gnus-summary-fetch-faq
1102 "d" gnus-summary-describe-group
1103 "h" gnus-summary-describe-briefly
1104 "i" gnus-info-find-node)
1106 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
1107 "e" gnus-summary-expire-articles
1108 "\M-\C-e" gnus-summary-expire-articles-now
1109 "\177" gnus-summary-delete-article
1110 [delete] gnus-summary-delete-article
1111 "m" gnus-summary-move-article
1112 "r" gnus-summary-respool-article
1113 "w" gnus-summary-edit-article
1114 "c" gnus-summary-copy-article
1115 "B" gnus-summary-crosspost-article
1116 "q" gnus-summary-respool-query
1117 "i" gnus-summary-import-article)
1119 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
1120 "o" gnus-summary-save-article
1121 "m" gnus-summary-save-article-mail
1122 "r" gnus-summary-save-article-rmail
1123 "f" gnus-summary-save-article-file
1124 "b" gnus-summary-save-article-body-file
1125 "h" gnus-summary-save-article-folder
1126 "v" gnus-summary-save-article-vm
1127 "p" gnus-summary-pipe-output
1128 "s" gnus-soup-add-article)
1133 (defun gnus-summary-mode (&optional group)
1134 "Major mode for reading articles.
1136 All normal editing commands are switched off.
1137 \\<gnus-summary-mode-map>
1138 Each line in this buffer represents one article. To read an
1139 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
1140 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
1143 You can also post articles and send mail from this buffer. To
1144 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
1145 of an article, type `\\[gnus-summary-reply]'.
1147 There are approx. one gazillion commands you can execute in this
1148 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
1150 The following commands are available:
1152 \\{gnus-summary-mode-map}"
1154 (when (and menu-bar-mode
1155 (gnus-visual-p 'summary-menu 'menu))
1156 (gnus-summary-make-menu-bar))
1157 (kill-all-local-variables)
1158 (gnus-summary-make-local-variables)
1159 (gnus-make-thread-indent-array)
1160 (gnus-simplify-mode-line)
1161 (setq major-mode 'gnus-summary-mode)
1162 (setq mode-name "Summary")
1163 (make-local-variable 'minor-mode-alist)
1164 (use-local-map gnus-summary-mode-map)
1165 (buffer-disable-undo (current-buffer))
1166 (setq buffer-read-only t) ;Disable modification
1167 (setq truncate-lines t)
1168 (setq selective-display t)
1169 (setq selective-display-ellipses t) ;Display `...'
1170 (setq buffer-display-table gnus-summary-display-table)
1171 (setq gnus-newsgroup-name group)
1172 (make-local-variable 'gnus-summary-line-format)
1173 (make-local-variable 'gnus-summary-line-format-spec)
1174 (make-local-variable 'gnus-summary-mark-positions)
1175 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
1176 (gnus-update-summary-mark-positions)
1177 (gnus-make-local-hook 'post-command-hook)
1178 (gnus-add-hook 'post-command-hook 'gnus-clear-inboxes-moved nil t)
1179 (run-hooks 'gnus-summary-mode-hook))
1181 (defun gnus-summary-make-local-variables ()
1182 "Make all the local summary buffer variables."
1183 (let ((locals gnus-summary-local-variables)
1185 (while (setq local (pop locals))
1188 (if (eq (cdr local) 'global)
1189 ;; Copy the global value of the variable.
1190 (setq global (symbol-value (car local)))
1191 ;; Use the value from the list.
1192 (setq global (eval (cdr local))))
1193 (make-local-variable (car local))
1194 (set (car local) global))
1195 ;; Simple nil-valued local variable.
1196 (make-local-variable local)
1199 (defun gnus-summary-clear-local-variables ()
1200 (let ((locals gnus-summary-local-variables))
1202 (if (consp (car locals))
1203 (and (vectorp (caar locals))
1204 (set (caar locals) nil))
1205 (and (vectorp (car locals))
1206 (set (car locals) nil)))
1207 (setq locals (cdr locals)))))
1209 ;; Summary data functions.
1211 (defmacro gnus-data-number (data)
1214 (defmacro gnus-data-set-number (data number)
1215 `(setcar ,data ,number))
1217 (defmacro gnus-data-mark (data)
1220 (defmacro gnus-data-set-mark (data mark)
1221 `(setcar (nthcdr 1 ,data) ,mark))
1223 (defmacro gnus-data-pos (data)
1226 (defmacro gnus-data-set-pos (data pos)
1227 `(setcar (nthcdr 2 ,data) ,pos))
1229 (defmacro gnus-data-header (data)
1232 (defmacro gnus-data-level (data)
1235 (defmacro gnus-data-unread-p (data)
1236 `(= (nth 1 ,data) gnus-unread-mark))
1238 (defmacro gnus-data-pseudo-p (data)
1239 `(consp (nth 3 ,data)))
1241 (defmacro gnus-data-find (number)
1242 `(assq ,number gnus-newsgroup-data))
1244 (defmacro gnus-data-find-list (number &optional data)
1245 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
1246 (memq (assq ,number bdata)
1249 (defmacro gnus-data-make (number mark pos header level)
1250 `(list ,number ,mark ,pos ,header ,level))
1252 (defun gnus-data-enter (after-article number mark pos header level offset)
1253 (let ((data (gnus-data-find-list after-article)))
1254 (or data (error "No such article: %d" after-article))
1255 (setcdr data (cons (gnus-data-make number mark pos header level)
1257 (setq gnus-newsgroup-data-reverse nil)
1258 (gnus-data-update-list (cddr data) offset)))
1260 (defun gnus-data-enter-list (after-article list &optional offset)
1262 (let ((data (and after-article (gnus-data-find-list after-article)))
1264 (or data (not after-article) (error "No such article: %d" after-article))
1265 ;; Find the last element in the list to be spliced into the main
1268 (setq list (cdr list)))
1271 (setcdr list gnus-newsgroup-data)
1272 (setq gnus-newsgroup-data ilist)
1273 (and offset (gnus-data-update-list (cdr list) offset)))
1274 (setcdr list (cdr data))
1276 (and offset (gnus-data-update-list (cdr data) offset)))
1277 (setq gnus-newsgroup-data-reverse nil))))
1279 (defun gnus-data-remove (article &optional offset)
1280 (let ((data gnus-newsgroup-data))
1281 (if (= (gnus-data-number (car data)) article)
1282 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
1283 gnus-newsgroup-data-reverse nil)
1285 (and (= (gnus-data-number (cadr data)) article)
1287 (setcdr data (cddr data))
1288 (and offset (gnus-data-update-list (cdr data) offset))
1290 gnus-newsgroup-data-reverse nil)))
1291 (setq data (cdr data))))))
1293 (defmacro gnus-data-list (backward)
1295 (or gnus-newsgroup-data-reverse
1296 (setq gnus-newsgroup-data-reverse
1297 (reverse gnus-newsgroup-data)))
1298 gnus-newsgroup-data))
1300 (defun gnus-data-update-list (data offset)
1301 "Add OFFSET to the POS of all data entries in DATA."
1303 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
1304 (setq data (cdr data))))
1306 (defun gnus-data-compute-positions ()
1307 "Compute the positions of all articles."
1308 (let ((data gnus-newsgroup-data)
1311 (when (setq pos (text-property-any
1312 (point-min) (point-max)
1313 'gnus-number (gnus-data-number (car data))))
1314 (gnus-data-set-pos (car data) (+ pos 3)))
1315 (setq data (cdr data)))))
1317 (defun gnus-summary-article-pseudo-p (article)
1318 "Say whether this article is a pseudo article or not."
1319 (not (vectorp (gnus-data-header (gnus-data-find article)))))
1321 (defun gnus-article-parent-p (number)
1322 "Say whether this article is a parent or not."
1323 (let ((data (gnus-data-find-list number)))
1324 (and (cdr data) ; There has to be an article after...
1325 (< (gnus-data-level (car data)) ; And it has to have a higher level.
1326 (gnus-data-level (nth 1 data))))))
1328 (defun gnus-article-children (number)
1329 "Return a list of all children to NUMBER."
1330 (let* ((data (gnus-data-find-list number))
1331 (level (gnus-data-level (car data)))
1333 (setq data (cdr data))
1335 (= (gnus-data-level (car data)) (1+ level)))
1336 (push (gnus-data-number (car data)) children)
1337 (setq data (cdr data)))
1340 (defmacro gnus-summary-skip-intangible ()
1341 "If the current article is intangible, then jump to a different article."
1342 '(let ((to (get-text-property (point) 'gnus-intangible)))
1343 (and to (gnus-summary-goto-subject to))))
1345 (defmacro gnus-summary-article-intangible-p ()
1346 "Say whether this article is intangible or not."
1347 '(get-text-property (point) 'gnus-intangible))
1349 ;; Some summary mode macros.
1351 (defmacro gnus-summary-article-number ()
1352 "The article number of the article on the current line.
1353 If there isn's an article number here, then we return the current
1356 (gnus-summary-skip-intangible)
1357 (or (get-text-property (point) 'gnus-number)
1358 (gnus-summary-last-subject))))
1360 (defmacro gnus-summary-article-header (&optional number)
1361 `(gnus-data-header (gnus-data-find
1362 ,(or number '(gnus-summary-article-number)))))
1364 (defmacro gnus-summary-thread-level (&optional number)
1365 `(if (and (eq gnus-summary-make-false-root 'dummy)
1366 (get-text-property (point) 'gnus-intangible))
1368 (gnus-data-level (gnus-data-find
1369 ,(or number '(gnus-summary-article-number))))))
1371 (defmacro gnus-summary-article-mark (&optional number)
1372 `(gnus-data-mark (gnus-data-find
1373 ,(or number '(gnus-summary-article-number)))))
1375 (defmacro gnus-summary-article-pos (&optional number)
1376 `(gnus-data-pos (gnus-data-find
1377 ,(or number '(gnus-summary-article-number)))))
1379 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
1380 (defmacro gnus-summary-article-subject (&optional number)
1381 "Return current subject string or nil if nothing."
1384 `(gnus-data-header (assq ,number gnus-newsgroup-data))
1385 '(gnus-data-header (assq (gnus-summary-article-number)
1386 gnus-newsgroup-data)))))
1389 (mail-header-subject headers))))
1391 (defmacro gnus-summary-article-score (&optional number)
1392 "Return current article score."
1393 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
1394 gnus-newsgroup-scored))
1395 gnus-summary-default-score 0))
1397 (defun gnus-summary-article-children (&optional number)
1398 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
1399 (level (gnus-data-level (car data)))
1401 (while (and (setq data (cdr data))
1402 (> (setq l (gnus-data-level (car data))) level))
1403 (and (= (1+ level) l)
1404 (setq children (cons (gnus-data-number (car data))
1406 (nreverse children)))
1408 (defun gnus-summary-article-parent (&optional number)
1409 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
1410 (gnus-data-list t)))
1411 (level (gnus-data-level (car data))))
1413 () ; This is a root.
1414 ;; We search until we find an article with a level less than
1415 ;; this one. That function has to be the parent.
1416 (while (and (setq data (cdr data))
1417 (not (< (gnus-data-level (car data)) level))))
1418 (and data (gnus-data-number (car data))))))
1420 (defun gnus-unread-mark-p (mark)
1421 "Say whether MARK is the unread mark."
1422 (= mark gnus-unread-mark))
1424 (defun gnus-read-mark-p (mark)
1425 "Say whether MARK is one of the marks that mark as read.
1426 This is all marks except unread, ticked, dormant, and expirable."
1427 (not (or (= mark gnus-unread-mark)
1428 (= mark gnus-ticked-mark)
1429 (= mark gnus-dormant-mark)
1430 (= mark gnus-expirable-mark))))
1432 ;; Saving hidden threads.
1434 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
1435 (put 'gnus-save-hidden-threads 'lisp-indent-hook 0)
1436 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
1438 (defmacro gnus-save-hidden-threads (&rest forms)
1439 "Save hidden threads, eval FORMS, and restore the hidden threads."
1440 (let ((config (make-symbol "config")))
1441 `(let ((,config (gnus-hidden-threads-configuration)))
1445 (gnus-restore-hidden-threads-configuration ,config)))))
1447 (defun gnus-hidden-threads-configuration ()
1448 "Return the current hidden threads configuration."
1451 (goto-char (point-min))
1452 (while (search-forward "\r" nil t)
1453 (push (1- (point)) config))
1456 (defun gnus-restore-hidden-threads-configuration (config)
1457 "Restore hidden threads configuration from CONFIG."
1458 (let (point buffer-read-only)
1459 (while (setq point (pop config))
1460 (when (and (< point (point-max))
1462 (= (following-char) ?\n))
1463 (subst-char-in-region point (1+ point) ?\n ?\r)))))
1465 ;; Various summary mode internalish functions.
1467 (defun gnus-mouse-pick-article (e)
1470 (gnus-summary-next-page nil t))
1472 (defun gnus-summary-setup-buffer (group)
1473 "Initialize summary buffer."
1474 (let ((buffer (concat "*Summary " group "*")))
1475 (if (get-buffer buffer)
1478 (setq gnus-summary-buffer (current-buffer))
1479 (not gnus-newsgroup-prepared))
1480 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
1481 (setq gnus-summary-buffer (set-buffer (get-buffer-create buffer)))
1482 (gnus-add-current-to-buffer-list)
1483 (gnus-summary-mode group)
1485 (gnus-carpal-setup-buffer 'summary))
1486 (unless gnus-single-article-buffer
1487 (make-local-variable 'gnus-article-buffer)
1488 (make-local-variable 'gnus-article-current)
1489 (make-local-variable 'gnus-original-article-buffer))
1490 (setq gnus-newsgroup-name group)
1493 (defun gnus-set-global-variables ()
1494 ;; Set the global equivalents of the summary buffer-local variables
1495 ;; to the latest values they had. These reflect the summary buffer
1496 ;; that was in action when the last article was fetched.
1497 (when (eq major-mode 'gnus-summary-mode)
1498 (setq gnus-summary-buffer (current-buffer))
1499 (let ((name gnus-newsgroup-name)
1500 (marked gnus-newsgroup-marked)
1501 (unread gnus-newsgroup-unreads)
1502 (headers gnus-current-headers)
1503 (data gnus-newsgroup-data)
1504 (summary gnus-summary-buffer)
1505 (article-buffer gnus-article-buffer)
1506 (original gnus-original-article-buffer)
1507 (gac gnus-article-current)
1508 (reffed gnus-reffed-article-number)
1509 (score-file gnus-current-score-file))
1511 (set-buffer gnus-group-buffer)
1512 (setq gnus-newsgroup-name name)
1513 (setq gnus-newsgroup-marked marked)
1514 (setq gnus-newsgroup-unreads unread)
1515 (setq gnus-current-headers headers)
1516 (setq gnus-newsgroup-data data)
1517 (setq gnus-article-current gac)
1518 (setq gnus-summary-buffer summary)
1519 (setq gnus-article-buffer article-buffer)
1520 (setq gnus-original-article-buffer original)
1521 (setq gnus-reffed-article-number reffed)
1522 (setq gnus-current-score-file score-file)))))
1524 (defun gnus-summary-last-article-p (&optional article)
1525 "Return whether ARTICLE is the last article in the buffer."
1526 (if (not (setq article (or article (gnus-summary-article-number))))
1527 t ; All non-existant numbers are the last article. :-)
1528 (not (cdr (gnus-data-find-list article)))))
1530 (defun gnus-make-thread-indent-array ()
1532 (unless (and gnus-thread-indent-array
1533 (= gnus-thread-indent-level gnus-thread-indent-array-level))
1534 (setq gnus-thread-indent-array (make-vector 201 "")
1535 gnus-thread-indent-array-level gnus-thread-indent-level)
1537 (aset gnus-thread-indent-array n
1538 (make-string (* n gnus-thread-indent-level) ? ))
1541 (defun gnus-update-summary-mark-positions ()
1542 "Compute where the summary marks are to go."
1544 (when (and gnus-summary-buffer
1545 (get-buffer gnus-summary-buffer)
1546 (buffer-name (get-buffer gnus-summary-buffer)))
1547 (set-buffer gnus-summary-buffer))
1548 (let ((gnus-replied-mark 129)
1549 (gnus-score-below-mark 130)
1550 (gnus-score-over-mark 130)
1553 (spec gnus-summary-line-format-spec)
1556 (gnus-set-work-buffer)
1557 (let ((gnus-summary-line-format-spec spec))
1558 (gnus-summary-insert-line
1559 [0 "" "" "" "" "" 0 0 ""] 0 nil 128 t nil "" nil 1)
1560 (goto-char (point-min))
1561 (setq pos (list (cons 'unread (and (search-forward "\200" nil t)
1563 (goto-char (point-min))
1564 (push (cons 'replied (and (search-forward "\201" nil t)
1567 (goto-char (point-min))
1568 (push (cons 'score (and (search-forward "\202" nil t) (- (point) 2)))
1570 (setq gnus-summary-mark-positions pos))))
1572 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
1573 "Insert a dummy root in the summary buffer."
1575 (gnus-add-text-properties
1576 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
1577 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
1579 (defun gnus-summary-insert-line
1580 (gnus-tmp-header gnus-tmp-level gnus-tmp-current gnus-tmp-unread
1581 gnus-tmp-replied gnus-tmp-expirable gnus-tmp-subject-or-nil
1582 &optional gnus-tmp-dummy gnus-tmp-score gnus-tmp-process)
1583 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
1584 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
1585 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
1586 (gnus-tmp-score-char
1587 (if (or (null gnus-summary-default-score)
1588 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
1589 gnus-summary-zcore-fuzz)) ?
1590 (if (< gnus-tmp-score gnus-summary-default-score)
1591 gnus-score-below-mark gnus-score-over-mark)))
1592 (gnus-tmp-replied (cond (gnus-tmp-process gnus-process-mark)
1593 ((memq gnus-tmp-current gnus-newsgroup-cached)
1595 (gnus-tmp-replied gnus-replied-mark)
1596 ((memq gnus-tmp-current gnus-newsgroup-saved)
1598 (t gnus-unread-mark)))
1599 (gnus-tmp-from (mail-header-from gnus-tmp-header))
1602 ((string-match "(.+)" gnus-tmp-from)
1603 (substring gnus-tmp-from
1604 (1+ (match-beginning 0)) (1- (match-end 0))))
1605 ((string-match "<[^>]+> *$" gnus-tmp-from)
1606 (let ((beg (match-beginning 0)))
1607 (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
1608 (substring gnus-tmp-from (1+ (match-beginning 0))
1609 (1- (match-end 0))))
1610 (substring gnus-tmp-from 0 beg))))
1612 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
1613 (gnus-tmp-number (mail-header-number gnus-tmp-header))
1614 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
1615 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
1616 (buffer-read-only nil))
1617 (when (string= gnus-tmp-name "")
1618 (setq gnus-tmp-name gnus-tmp-from))
1619 (or (numberp gnus-tmp-lines) (setq gnus-tmp-lines 0))
1620 (gnus-put-text-property
1622 (progn (eval gnus-summary-line-format-spec) (point))
1623 'gnus-number gnus-tmp-number)
1624 (when (gnus-visual-p 'summary-highlight 'highlight)
1626 (run-hooks 'gnus-summary-update-hook)
1629 (defun gnus-summary-update-line (&optional dont-update)
1630 ;; Update summary line after change.
1631 (when (and gnus-summary-default-score
1632 (not gnus-summary-inhibit-highlight))
1633 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
1634 (article (gnus-summary-article-number))
1635 (score (gnus-summary-article-score article)))
1637 (if (and gnus-summary-mark-below
1638 (< (gnus-summary-article-score)
1639 gnus-summary-mark-below))
1640 ;; This article has a low score, so we mark it as read.
1641 (when (memq article gnus-newsgroup-unreads)
1642 (gnus-summary-mark-article-as-read gnus-low-score-mark))
1643 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
1644 ;; This article was previously marked as read on account
1645 ;; of a low score, but now it has risen, so we mark it as
1647 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
1648 (gnus-summary-update-mark
1649 (if (or (null gnus-summary-default-score)
1650 (<= (abs (- score gnus-summary-default-score))
1651 gnus-summary-zcore-fuzz)) ?
1652 (if (< score gnus-summary-default-score)
1653 gnus-score-below-mark gnus-score-over-mark)) 'score))
1654 ;; Do visual highlighting.
1655 (when (gnus-visual-p 'summary-highlight 'highlight)
1656 (run-hooks 'gnus-summary-update-hook)))))
1658 (defvar gnus-tmp-new-adopts nil)
1660 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
1661 ;; Sum up all elements (and sub-elements) in a list.
1663 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
1665 ((and (consp thread) (cdr thread))
1668 'gnus-summary-number-of-articles-in-thread (cdr thread))))
1671 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
1674 (when (and level (zerop level) gnus-tmp-new-adopts)
1677 'gnus-summary-number-of-articles-in-thread
1678 gnus-tmp-new-adopts))))
1680 (if (> number 1) gnus-not-empty-thread-mark
1681 gnus-empty-thread-mark)
1684 (defun gnus-summary-set-local-parameters (group)
1685 "Go through the local params of GROUP and set all variable specs in that list."
1686 (let ((params (gnus-info-params (gnus-get-info group)))
1689 (setq elem (car params)
1690 params (cdr params))
1691 (and (consp elem) ; Has to be a cons.
1692 (consp (cdr elem)) ; The cdr has to be a list.
1693 (symbolp (car elem)) ; Has to be a symbol in there.
1694 (not (memq (car elem)
1695 '(quit-config to-address to-list to-group)))
1696 (progn ; So we set it.
1697 (make-local-variable (car elem))
1698 (set (car elem) (eval (nth 1 elem))))))))
1700 (defun gnus-summary-read-group (group &optional show-all no-article
1701 kill-buffer no-display)
1702 "Start reading news in newsgroup GROUP.
1703 If SHOW-ALL is non-nil, already read articles are also listed.
1704 If NO-ARTICLE is non-nil, no article is selected initially.
1705 If NO-DISPLAY, don't generate a summary buffer."
1706 (gnus-message 5 "Retrieving newsgroup: %s..." group)
1707 (let* ((new-group (gnus-summary-setup-buffer group))
1708 (quit-config (gnus-group-quit-config group))
1709 (did-select (and new-group (gnus-select-newsgroup group show-all))))
1711 ;; This summary buffer exists already, so we just select it.
1713 (gnus-set-global-variables)
1715 (gnus-kill-or-deaden-summary kill-buffer))
1716 (gnus-configure-windows 'summary 'force)
1717 (gnus-set-mode-line 'summary)
1718 (gnus-summary-position-point)
1721 ;; We couldn't select this group.
1723 (when (and (eq major-mode 'gnus-summary-mode)
1724 (not (equal (current-buffer) kill-buffer)))
1725 (kill-buffer (current-buffer))
1726 (if (not quit-config)
1728 (set-buffer gnus-group-buffer)
1729 (gnus-group-jump-to-group group)
1730 (gnus-group-next-unread-group 1))
1731 (if (not (buffer-name (car quit-config)))
1732 (gnus-configure-windows 'group 'force)
1733 (set-buffer (car quit-config))
1734 (and (eq major-mode 'gnus-summary-mode)
1735 (gnus-set-global-variables))
1736 (gnus-configure-windows (cdr quit-config)))))
1737 (gnus-message 3 "Can't select group")
1739 ;; The user did a `C-g' while prompting for number of articles,
1740 ;; so we exit this group.
1741 ((eq did-select 'quit)
1742 (and (eq major-mode 'gnus-summary-mode)
1743 (not (equal (current-buffer) kill-buffer))
1744 (kill-buffer (current-buffer)))
1746 (gnus-kill-or-deaden-summary kill-buffer))
1747 (if (not quit-config)
1749 (set-buffer gnus-group-buffer)
1750 (gnus-group-jump-to-group group)
1751 (gnus-group-next-unread-group 1)
1752 (gnus-configure-windows 'group 'force))
1753 (if (not (buffer-name (car quit-config)))
1754 (gnus-configure-windows 'group 'force)
1755 (set-buffer (car quit-config))
1756 (and (eq major-mode 'gnus-summary-mode)
1757 (gnus-set-global-variables))
1758 (gnus-configure-windows (cdr quit-config))))
1759 ;; Finally signal the quit.
1761 ;; The group was successfully selected.
1763 (gnus-set-global-variables)
1764 ;; Save the active value in effect when the group was entered.
1765 (setq gnus-newsgroup-active
1767 (gnus-active gnus-newsgroup-name)))
1768 ;; You can change the summary buffer in some way with this hook.
1769 (run-hooks 'gnus-select-group-hook)
1770 ;; Set any local variables in the group parameters.
1771 (gnus-summary-set-local-parameters gnus-newsgroup-name)
1772 (gnus-update-format-specifications)
1773 ;; Do score processing.
1774 (when gnus-use-scoring
1775 (gnus-possibly-score-headers))
1776 ;; Check whether to fill in the gaps in the threads.
1777 (when gnus-build-sparse-threads
1778 (gnus-build-sparse-threads))
1779 ;; Find the initial limit.
1780 (if gnus-show-threads
1782 (let ((gnus-newsgroup-dormant nil))
1783 (gnus-summary-initial-limit show-all))
1784 (gnus-summary-initial-limit show-all))
1785 (setq gnus-newsgroup-limit
1787 (lambda (header) (mail-header-number header))
1788 gnus-newsgroup-headers)))
1789 ;; Generate the summary buffer.
1791 (gnus-summary-prepare))
1792 (when gnus-use-trees
1793 (gnus-tree-open group)
1794 (setq gnus-summary-highlight-line-function
1795 'gnus-tree-highlight-article))
1796 ;; If the summary buffer is empty, but there are some low-scored
1797 ;; articles or some excluded dormants, we include these in the
1799 (when (and (zerop (buffer-size))
1801 (cond (gnus-newsgroup-dormant
1802 (gnus-summary-limit-include-dormant))
1803 ((and gnus-newsgroup-scored show-all)
1804 (gnus-summary-limit-include-expunged t))))
1805 ;; Function `gnus-apply-kill-file' must be called in this hook.
1806 (run-hooks 'gnus-apply-kill-hook)
1807 (if (and (zerop (buffer-size))
1810 ;; This newsgroup is empty.
1811 (gnus-summary-catchup-and-exit nil t) ;Without confirmations.
1812 (gnus-message 6 "No unread news")
1814 (gnus-kill-or-deaden-summary kill-buffer))
1815 ;; Return nil from this function.
1817 ;; Hide conversation thread subtrees. We cannot do this in
1818 ;; gnus-summary-prepare-hook since kill processing may not
1819 ;; work with hidden articles.
1820 (and gnus-show-threads
1821 gnus-thread-hide-subtree
1822 (gnus-summary-hide-all-threads))
1823 ;; Show first unread article if requested.
1824 (if (and (not no-article)
1826 gnus-newsgroup-unreads
1827 gnus-auto-select-first)
1828 (unless (if (eq gnus-auto-select-first 'best)
1829 (gnus-summary-best-unread-article)
1830 (gnus-summary-first-unread-article))
1831 (gnus-configure-windows 'summary))
1832 ;; Don't select any articles, just move point to the first
1833 ;; article in the group.
1834 (goto-char (point-min))
1835 (gnus-summary-position-point)
1836 (gnus-set-mode-line 'summary)
1837 (gnus-configure-windows 'summary 'force))
1839 (gnus-kill-or-deaden-summary kill-buffer))
1840 (when (get-buffer-window gnus-group-buffer t)
1841 ;; Gotta use windows, because recenter does wierd stuff if
1842 ;; the current buffer ain't the displayed window.
1843 (let ((owin (selected-window)))
1844 (select-window (get-buffer-window gnus-group-buffer t))
1845 (when (gnus-group-goto-group group)
1847 (select-window owin))))
1848 ;; Mark this buffer as "prepared".
1849 (setq gnus-newsgroup-prepared t)
1852 (defun gnus-summary-prepare ()
1853 "Generate the summary buffer."
1854 (let ((buffer-read-only nil))
1856 (setq gnus-newsgroup-data nil
1857 gnus-newsgroup-data-reverse nil)
1858 (run-hooks 'gnus-summary-generate-hook)
1859 ;; Generate the buffer, either with threads or without.
1860 (when gnus-newsgroup-headers
1861 (gnus-summary-prepare-threads
1862 (if gnus-show-threads
1863 (gnus-sort-gathered-threads
1864 (funcall gnus-summary-thread-gathering-function
1866 (gnus-cut-threads (gnus-make-threads)))))
1867 ;; Unthreaded display.
1868 (gnus-sort-articles gnus-newsgroup-headers))))
1869 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
1870 ;; Call hooks for modifying summary buffer.
1871 (goto-char (point-min))
1872 (run-hooks 'gnus-summary-prepare-hook)))
1874 (defsubst gnus-general-simplify-subject (subject)
1875 "Simply subject by the same rules as gnus-gather-threads-by-subject."
1878 ;; Truncate the subject.
1879 ((numberp gnus-summary-gather-subject-limit)
1880 (setq subject (gnus-simplify-subject-re subject))
1881 (if (> (length subject) gnus-summary-gather-subject-limit)
1882 (substring subject 0 gnus-summary-gather-subject-limit)
1884 ;; Fuzzily simplify it.
1885 ((eq 'fuzzy gnus-summary-gather-subject-limit)
1886 (gnus-simplify-subject-fuzzy subject))
1887 ;; Just remove the leading "Re:".
1889 (gnus-simplify-subject-re subject))))
1891 (if (and gnus-summary-gather-exclude-subject
1892 (string-match gnus-summary-gather-exclude-subject subject))
1893 nil ; This article shouldn't be gathered
1896 (defun gnus-summary-simplify-subject-query ()
1897 "Query where the respool algorithm would put this article."
1899 (gnus-set-global-variables)
1900 (gnus-summary-select-article)
1901 (message (gnus-general-simplify-subject (gnus-summary-article-subject))))
1903 (defun gnus-gather-threads-by-subject (threads)
1904 "Gather threads by looking at Subject headers."
1905 (if (not gnus-summary-make-false-root)
1907 (let ((hashtb (gnus-make-hashtable 1023))
1910 subject hthread whole-subject)
1912 (setq subject (gnus-general-simplify-subject
1913 (setq whole-subject (mail-header-subject
1916 (if (setq hthread (gnus-gethash subject hashtb))
1918 ;; We enter a dummy root into the thread, if we
1919 ;; haven't done that already.
1920 (unless (stringp (caar hthread))
1921 (setcar hthread (list whole-subject (car hthread))))
1922 ;; We add this new gathered thread to this gathered
1924 (setcdr (car hthread)
1925 (nconc (cdar hthread) (list (car threads))))
1926 ;; Remove it from the list of threads.
1927 (setcdr prev (cdr threads))
1928 (setq threads prev))
1929 ;; Enter this thread into the hash table.
1930 (gnus-sethash subject threads hashtb)))
1932 (setq threads (cdr threads)))
1935 (defun gnus-gather-threads-by-references (threads)
1936 "Gather threads by looking at References headers."
1937 (let ((idhashtb (gnus-make-hashtable 1023))
1938 (thhashtb (gnus-make-hashtable 1023))
1941 ids references id gthread gid entered)
1943 (when (setq references (mail-header-references (caar threads)))
1944 (setq id (mail-header-id (caar threads)))
1945 (setq ids (gnus-split-references references))
1948 (if (not (setq gid (gnus-gethash (car ids) idhashtb)))
1950 (gnus-sethash (car ids) id idhashtb)
1951 (gnus-sethash id threads thhashtb))
1952 (setq gthread (gnus-gethash gid thhashtb))
1954 ;; We enter a dummy root into the thread, if we
1955 ;; haven't done that already.
1956 (unless (stringp (caar gthread))
1957 (setcar gthread (list (mail-header-subject (caar gthread))
1959 ;; We add this new gathered thread to this gathered
1961 (setcdr (car gthread)
1962 (nconc (cdar gthread) (list (car threads)))))
1963 ;; Add it into the thread hash table.
1964 (gnus-sethash id gthread thhashtb)
1966 ;; Remove it from the list of threads.
1967 (setcdr prev (cdr threads))
1968 (setq threads prev))
1969 (setq ids (cdr ids))))
1971 (setq threads (cdr threads)))
1974 (defun gnus-sort-gathered-threads (threads)
1975 "Sort subtreads inside each gathered thread by article number."
1976 (let ((result threads))
1978 (when (stringp (caar threads))
1979 (setcdr (car threads)
1980 (sort (cdar threads) 'gnus-thread-sort-by-number)))
1981 (setq threads (cdr threads)))
1984 (defun gnus-make-threads ()
1985 "Go through the dependency hashtb and find the roots. Return all threads."
1989 (unless (car (symbol-value refs))
1990 ;; These threads do not refer back to any other articles,
1991 ;; so they're roots.
1992 (setq threads (append (cdr (symbol-value refs)) threads))))
1993 gnus-newsgroup-dependencies)
1996 (defun gnus-build-sparse-threads ()
1997 (let ((headers gnus-newsgroup-headers)
1998 (deps gnus-newsgroup-dependencies)
1999 header references generation relations
2000 cthread subject child end pthread relation)
2001 ;; First we create an alist of generations/relations, where
2002 ;; generations is how much we trust the ralation, and the relation
2004 (gnus-message 7 "Making sparse threads...")
2006 (nnheader-set-temp-buffer " *gnus sparse threads*")
2007 (while (setq header (pop headers))
2008 (when (and (setq references (mail-header-references header))
2009 (not (string= references "")))
2011 (setq child (mail-header-id header)
2012 subject (mail-header-subject header))
2014 (while (search-backward ">" nil t)
2015 (setq end (1+ (point)))
2016 (when (search-backward "<" nil t)
2017 (push (list (incf generation)
2018 child (setq child (buffer-substring (point) end))
2021 (push (list (1+ generation) child nil subject) relations)
2023 (kill-buffer (current-buffer)))
2024 ;; Sort over trustworthiness.
2025 (setq relations (sort relations (lambda (r1 r2) (< (car r1) (car r2)))))
2026 (while (setq relation (pop relations))
2027 (when (if (boundp (setq cthread (intern (cadr relation) deps)))
2028 (unless (car (symbol-value cthread))
2029 ;; Make this article the parent of these threads.
2030 (setcar (symbol-value cthread)
2031 (vector gnus-reffed-article-number
2035 (or (caddr relation) "") 0 0 "")))
2036 (set cthread (list (vector gnus-reffed-article-number
2038 "" "" (cadr relation)
2039 (or (caddr relation) "") 0 0 ""))))
2040 (push gnus-reffed-article-number gnus-newsgroup-limit)
2041 (push gnus-reffed-article-number gnus-newsgroup-sparse)
2042 (push (cons gnus-reffed-article-number gnus-sparse-mark)
2043 gnus-newsgroup-reads)
2044 (decf gnus-reffed-article-number)
2045 ;; Make this new thread the child of its parent.
2046 (if (boundp (setq pthread (intern (or (caddr relation) "none") deps)))
2047 (setcdr (symbol-value pthread)
2048 (nconc (cdr (symbol-value pthread))
2049 (list (symbol-value cthread))))
2050 (set pthread (list nil (symbol-value cthread))))))
2051 (gnus-message 7 "Making sparse threads...done")))
2053 (defun gnus-build-old-threads ()
2054 ;; Look at all the articles that refer back to old articles, and
2055 ;; fetch the headers for the articles that aren't there. This will
2056 ;; build complete threads - if the roots haven't been expired by the
2061 (when (not (car (symbol-value refs)))
2062 (setq heads (cdr (symbol-value refs)))
2064 (if (memq (mail-header-number (caar heads))
2065 gnus-newsgroup-dormant)
2066 (setq heads (cdr heads))
2067 (setq id (symbol-name refs))
2068 (while (and (setq id (gnus-build-get-header id))
2069 (not (car (gnus-gethash
2070 id gnus-newsgroup-dependencies)))))
2071 (setq heads nil)))))
2072 gnus-newsgroup-dependencies)))
2074 (defun gnus-build-get-header (id)
2075 ;; Look through the buffer of NOV lines and find the header to
2076 ;; ID. Enter this line into the dependencies hash table, and return
2077 ;; the id of the parent article (if any).
2078 (let ((deps gnus-newsgroup-dependencies)
2082 (set-buffer nntp-server-buffer)
2083 (goto-char (point-min))
2084 (while (and (not found) (search-forward id nil t))
2086 (setq found (looking-at
2087 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
2088 (regexp-quote id))))
2089 (or found (beginning-of-line 2)))
2093 (setq header (gnus-nov-parse-line
2094 (read (current-buffer)) deps))
2095 (gnus-parent-id (mail-header-references header)))))
2097 (let ((number (mail-header-number header)))
2098 (push number gnus-newsgroup-limit)
2099 (push header gnus-newsgroup-headers)
2100 (if (memq number gnus-newsgroup-unselected)
2102 (push number gnus-newsgroup-unreads)
2103 (setq gnus-newsgroup-unselected
2104 (delq number gnus-newsgroup-unselected)))
2105 (push number gnus-newsgroup-ancient)))))))
2107 (defun gnus-summary-update-article (article &optional iheader)
2108 "Update ARTICLE in the summary buffer."
2109 (set-buffer gnus-summary-buffer)
2110 (let* ((header (or iheader (gnus-summary-article-header article)))
2111 (id (mail-header-id header))
2112 (data (gnus-data-find article))
2113 (thread (gnus-id-to-thread id))
2114 (references (mail-header-references header))
2119 (not (equal "" references)))
2122 (buffer-read-only nil)
2124 (number (mail-header-number header))
2127 ;; !!! Should this be in or not?
2129 (setcar thread nil))
2131 (delq thread parent))
2132 (if (gnus-summary-insert-subject id header iheader)
2133 ;; Set the (possibly) new article number in the data structure.
2134 (gnus-data-set-number data (gnus-id-to-article id))
2138 (defun gnus-rebuild-thread (id)
2139 "Rebuild the thread containing ID."
2140 (let ((buffer-read-only nil)
2141 current thread data)
2142 (if (not gnus-show-threads)
2143 (setq thread (list (car (gnus-id-to-thread id))))
2144 ;; Get the thread this article is part of.
2145 (setq thread (gnus-remove-thread id)))
2146 (setq current (save-excursion
2147 (and (zerop (forward-line -1))
2148 (gnus-summary-article-number))))
2149 ;; If this is a gathered thread, we have to go some re-gathering.
2150 (when (stringp (car thread))
2151 (let ((subject (car thread))
2153 (setq thread (cdr thread))
2155 (unless (memq (setq thr (gnus-id-to-thread
2157 (mail-header-id (caar thread)))))
2160 (setq thread (cdr thread)))
2161 ;; We now have all (unique) roots.
2162 (if (= (length roots) 1)
2163 ;; All the loose roots are now one solid root.
2164 (setq thread (car roots))
2165 (setq thread (cons subject (gnus-sort-threads roots))))))
2167 ;; We then insert this thread into the summary buffer.
2168 (let (gnus-newsgroup-data gnus-newsgroup-threads)
2169 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
2170 (setq data (nreverse gnus-newsgroup-data))
2171 (setq threads gnus-newsgroup-threads))
2172 ;; We splice the new data into the data structure.
2173 (gnus-data-enter-list current data)
2174 (gnus-data-compute-positions)
2175 (setq gnus-newsgroup-threads (nconc threads gnus-newsgroup-threads)))))
2177 (defun gnus-number-to-header (number)
2178 "Return the header for article NUMBER."
2179 (let ((headers gnus-newsgroup-headers))
2181 (not (= number (mail-header-number (car headers)))))
2186 (defun gnus-parent-headers (headers &optional generation)
2187 "Return the headers of the GENERATIONeth parent of HEADERS."
2189 (setq generation 1))
2190 (let (references parent)
2191 (while (and headers (not (zerop generation)))
2192 (setq references (mail-header-references headers))
2193 (when (and references
2194 (setq parent (gnus-parent-id references))
2195 (setq headers (car (gnus-id-to-thread parent))))
2199 (defun gnus-id-to-thread (id)
2200 "Return the (sub-)thread where ID appears."
2201 (gnus-gethash id gnus-newsgroup-dependencies))
2203 (defun gnus-id-to-article (id)
2204 "Return the article number of ID."
2205 (let ((thread (gnus-id-to-thread id)))
2208 (mail-header-number (car thread)))))
2210 (defun gnus-id-to-header (id)
2211 "Return the article headers of ID."
2212 (car (gnus-id-to-thread id)))
2214 (defun gnus-article-displayed-root-p (article)
2215 "Say whether ARTICLE is a root(ish) article."
2216 (let ((level (gnus-summary-thread-level article))
2217 (refs (mail-header-references (gnus-summary-article-header article)))
2223 ((null (gnus-parent-id refs)) t)
2225 (null (setq particle (gnus-id-to-article
2226 (gnus-parent-id refs))))
2227 (null (gnus-summary-thread-level particle)))))))
2229 (defun gnus-root-id (id)
2230 "Return the id of the root of the thread where ID appears."
2232 (while (and id (setq prev (car (gnus-gethash
2233 id gnus-newsgroup-dependencies))))
2235 id (gnus-parent-id (mail-header-references prev))))
2238 (defun gnus-remove-thread (id &optional dont-remove)
2239 "Remove the thread that has ID in it."
2240 (let ((dep gnus-newsgroup-dependencies)
2241 headers thread last-id)
2242 ;; First go up in this thread until we find the root.
2243 (setq last-id (gnus-root-id id))
2244 (setq headers (list (car (gnus-id-to-thread last-id))
2245 (caadr (gnus-id-to-thread last-id))))
2246 ;; We have now found the real root of this thread. It might have
2247 ;; been gathered into some loose thread, so we have to search
2248 ;; through the threads to find the thread we wanted.
2249 (let ((threads gnus-newsgroup-threads)
2252 (setq sub (car threads))
2253 (if (stringp (car sub))
2254 ;; This is a gathered thread, so we look at the roots
2255 ;; below it to find whether this article is in this
2258 (setq sub (cdr sub))
2260 (when (member (caar sub) headers)
2261 (setq thread (car threads)
2264 (setq sub (cdr sub))))
2265 ;; It's an ordinary thread, so we check it.
2266 (when (eq (car sub) (car headers))
2269 (setq threads (cdr threads)))
2270 ;; If this article is in no thread, then it's a root.
2273 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
2274 (setq thread (gnus-gethash last-id dep)))
2277 thread ; We return this thread.
2279 (if (stringp (car thread))
2281 ;; If we use dummy roots, then we have to remove the
2282 ;; dummy root as well.
2283 (when (eq gnus-summary-make-false-root 'dummy)
2286 (setq thread (cdr thread))
2288 (gnus-remove-thread-1 (car thread))
2289 (setq thread (cdr thread))))
2290 (gnus-remove-thread-1 thread))))))))
2292 (defun gnus-remove-thread-1 (thread)
2293 "Remove the thread THREAD recursively."
2294 (let ((number (mail-header-number (car thread)))
2296 (when (setq pos (text-property-any
2297 (point-min) (point-max) 'gnus-number number))
2300 (gnus-data-remove number))
2301 (setq thread (cdr thread))
2303 (gnus-remove-thread-1 (pop thread)))))
2305 (defun gnus-sort-threads (threads)
2307 (if (not gnus-thread-sort-functions)
2309 (let ((func (if (= 1 (length gnus-thread-sort-functions))
2310 (car gnus-thread-sort-functions)
2312 ,(gnus-make-sort-function
2313 (reverse gnus-thread-sort-functions))))))
2314 (gnus-message 7 "Sorting threads...")
2317 (gnus-message 7 "Sorting threads...done")))))
2319 (defun gnus-sort-articles (articles)
2321 (when gnus-article-sort-functions
2322 (let ((func (if (= 1 (length gnus-article-sort-functions))
2323 (car gnus-article-sort-functions)
2325 ,(gnus-make-sort-function
2326 (reverse gnus-article-sort-functions))))))
2327 (gnus-message 7 "Sorting articles...")
2329 (setq gnus-newsgroup-headers (sort articles func))
2330 (gnus-message 7 "Sorting articles...done")))))
2332 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
2333 (defmacro gnus-thread-header (thread)
2334 ;; Return header of first article in THREAD.
2335 ;; Note that THREAD must never, ever be anything else than a variable -
2336 ;; using some other form will lead to serious barfage.
2337 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
2338 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
2339 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207" ;
2342 (defsubst gnus-article-sort-by-number (h1 h2)
2343 "Sort articles by article number."
2344 (< (mail-header-number h1)
2345 (mail-header-number h2)))
2347 (defun gnus-thread-sort-by-number (h1 h2)
2348 "Sort threads by root article number."
2349 (gnus-article-sort-by-number
2350 (gnus-thread-header h1) (gnus-thread-header h2)))
2352 (defsubst gnus-article-sort-by-author (h1 h2)
2353 "Sort articles by root author."
2355 (let ((extract (funcall
2356 gnus-extract-address-components
2357 (mail-header-from h1))))
2358 (or (car extract) (cdr extract)))
2359 (let ((extract (funcall
2360 gnus-extract-address-components
2361 (mail-header-from h2))))
2362 (or (car extract) (cdr extract)))))
2364 (defun gnus-thread-sort-by-author (h1 h2)
2365 "Sort threads by root author."
2366 (gnus-article-sort-by-author
2367 (gnus-thread-header h1) (gnus-thread-header h2)))
2369 (defsubst gnus-article-sort-by-subject (h1 h2)
2370 "Sort articles by root subject."
2372 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
2373 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
2375 (defun gnus-thread-sort-by-subject (h1 h2)
2376 "Sort threads by root subject."
2377 (gnus-article-sort-by-subject
2378 (gnus-thread-header h1) (gnus-thread-header h2)))
2380 (defsubst gnus-article-sort-by-date (h1 h2)
2381 "Sort articles by root article date."
2383 (inline (gnus-sortable-date (mail-header-date h1)))
2384 (inline (gnus-sortable-date (mail-header-date h2)))))
2386 (defun gnus-thread-sort-by-date (h1 h2)
2387 "Sort threads by root article date."
2388 (gnus-article-sort-by-date
2389 (gnus-thread-header h1) (gnus-thread-header h2)))
2391 (defsubst gnus-article-sort-by-score (h1 h2)
2392 "Sort articles by root article score.
2393 Unscored articles will be counted as having a score of zero."
2394 (> (or (cdr (assq (mail-header-number h1)
2395 gnus-newsgroup-scored))
2396 gnus-summary-default-score 0)
2397 (or (cdr (assq (mail-header-number h2)
2398 gnus-newsgroup-scored))
2399 gnus-summary-default-score 0)))
2401 (defun gnus-thread-sort-by-score (h1 h2)
2402 "Sort threads by root article score."
2403 (gnus-article-sort-by-score
2404 (gnus-thread-header h1) (gnus-thread-header h2)))
2406 (defun gnus-thread-sort-by-total-score (h1 h2)
2407 "Sort threads by the sum of all scores in the thread.
2408 Unscored articles will be counted as having a score of zero."
2409 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
2411 (defun gnus-thread-total-score (thread)
2412 ;; This function find the total score of THREAD.
2413 (cond ((null thread)
2416 (if (stringp (car thread))
2417 (apply gnus-thread-score-function 0
2418 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
2419 (gnus-thread-total-score-1 thread)))
2421 (gnus-thread-total-score-1 (list thread)))))
2423 (defun gnus-thread-total-score-1 (root)
2424 ;; This function find the total score of the thread below ROOT.
2425 (setq root (car root))
2426 (apply gnus-thread-score-function
2428 (mapcar 'gnus-thread-total-score
2429 (cdr (gnus-gethash (mail-header-id root)
2430 gnus-newsgroup-dependencies)))
2431 (if (> (mail-header-number root) 0)
2432 (list (or (cdr (assq (mail-header-number root)
2433 gnus-newsgroup-scored))
2434 gnus-summary-default-score 0))))
2435 (list gnus-summary-default-score)
2438 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
2439 (defvar gnus-tmp-prev-subject nil)
2440 (defvar gnus-tmp-false-parent nil)
2441 (defvar gnus-tmp-root-expunged nil)
2442 (defvar gnus-tmp-dummy-line nil)
2444 (defun gnus-summary-prepare-threads (threads)
2445 "Prepare summary buffer from THREADS and indentation LEVEL.
2446 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
2447 or a straight list of headers."
2448 (gnus-message 7 "Generating summary...")
2450 (setq gnus-newsgroup-threads threads)
2453 (let ((gnus-tmp-level 0)
2454 (default-score (or gnus-summary-default-score 0))
2455 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
2456 thread number subject stack state gnus-tmp-gathered beg-match
2457 new-roots gnus-tmp-new-adopts thread-end
2458 gnus-tmp-header gnus-tmp-unread
2459 gnus-tmp-replied gnus-tmp-subject-or-nil
2460 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
2461 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
2462 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket)
2464 (setq gnus-tmp-prev-subject nil)
2466 (if (vectorp (car threads))
2467 ;; If this is a straight (sic) list of headers, then a
2468 ;; threaded summary display isn't required, so we just create
2469 ;; an unthreaded one.
2470 (gnus-summary-prepare-unthreaded threads)
2472 ;; Do the threaded display.
2474 (while (or threads stack gnus-tmp-new-adopts new-roots)
2476 (if (and (= gnus-tmp-level 0)
2477 (not (setq gnus-tmp-dummy-line nil))
2480 (not gnus-tmp-false-parent)
2481 (or gnus-tmp-new-adopts new-roots))
2482 (if gnus-tmp-new-adopts
2483 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
2484 thread (list (car gnus-tmp-new-adopts))
2485 gnus-tmp-header (caar thread)
2486 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
2488 (setq thread (list (car new-roots))
2489 gnus-tmp-header (caar thread)
2490 new-roots (cdr new-roots))))
2493 ;; If there are some threads, we do them before the
2494 ;; threads on the stack.
2495 (setq thread threads
2496 gnus-tmp-header (caar thread))
2497 ;; There were no current threads, so we pop something off
2499 (setq state (car stack)
2500 gnus-tmp-level (car state)
2503 gnus-tmp-header (caar thread))))
2505 (setq gnus-tmp-false-parent nil)
2506 (setq gnus-tmp-root-expunged nil)
2507 (setq thread-end nil)
2509 (if (stringp gnus-tmp-header)
2510 ;; The header is a dummy root.
2512 ((eq gnus-summary-make-false-root 'adopt)
2513 ;; We let the first article adopt the rest.
2514 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
2516 (setq gnus-tmp-gathered
2518 (lambda (h) (mail-header-number (car h)))
2521 (setq thread (cons (list (caar thread)
2524 (setq gnus-tmp-level -1
2525 gnus-tmp-false-parent t))
2526 ((eq gnus-summary-make-false-root 'empty)
2527 ;; We print adopted articles with empty subject fields.
2528 (setq gnus-tmp-gathered
2530 (lambda (h) (mail-header-number (car h)))
2533 (setq gnus-tmp-level -1))
2534 ((eq gnus-summary-make-false-root 'dummy)
2535 ;; We remember that we probably want to output a dummy
2537 (setq gnus-tmp-dummy-line gnus-tmp-header)
2538 (setq gnus-tmp-prev-subject gnus-tmp-header))
2540 ;; We do not make a root for the gathered
2541 ;; sub-threads at all.
2542 (setq gnus-tmp-level -1)))
2544 (setq number (mail-header-number gnus-tmp-header)
2545 subject (mail-header-subject gnus-tmp-header))
2548 ;; If the thread has changed subject, we might want to make
2549 ;; this subthread into a root.
2550 ((and (null gnus-thread-ignore-subject)
2551 (not (zerop gnus-tmp-level))
2552 gnus-tmp-prev-subject
2554 (gnus-subject-equal gnus-tmp-prev-subject subject))))
2555 (setq new-roots (nconc new-roots (list (car thread)))
2557 gnus-tmp-header nil))
2558 ;; If the article lies outside the current limit,
2559 ;; then we do not display it.
2560 ((and (not (memq number gnus-newsgroup-limit))
2561 (not gnus-tmp-dummy-line))
2562 (setq gnus-tmp-gathered
2564 (lambda (h) (mail-header-number (car h)))
2567 (setq gnus-tmp-new-adopts (if (cdar thread)
2568 (append gnus-tmp-new-adopts
2570 gnus-tmp-new-adopts)
2572 gnus-tmp-header nil)
2573 (when (zerop gnus-tmp-level)
2574 (setq gnus-tmp-root-expunged t)))
2575 ;; Perhaps this article is to be marked as read?
2576 ((and gnus-summary-mark-below
2577 (< (or (cdr (assq number gnus-newsgroup-scored))
2579 gnus-summary-mark-below)
2580 ;; Don't touch sparse articles.
2581 (not (memq number gnus-newsgroup-sparse))
2582 (not (memq number gnus-newsgroup-ancient)))
2583 (setq gnus-newsgroup-unreads
2584 (delq number gnus-newsgroup-unreads))
2585 (if gnus-newsgroup-auto-expire
2586 (push number gnus-newsgroup-expirable)
2587 (push (cons number gnus-low-score-mark)
2588 gnus-newsgroup-reads))))
2590 (when gnus-tmp-header
2591 ;; We may have an old dummy line to output before this
2593 (when gnus-tmp-dummy-line
2594 (gnus-summary-insert-dummy-line
2595 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
2596 (setq gnus-tmp-dummy-line nil))
2598 ;; Compute the mark.
2602 ((memq number gnus-newsgroup-unreads) gnus-unread-mark)
2603 ((memq number gnus-newsgroup-marked) gnus-ticked-mark)
2604 ((memq number gnus-newsgroup-dormant) gnus-dormant-mark)
2605 ((memq number gnus-newsgroup-expirable) gnus-expirable-mark)
2606 (t (or (cdr (assq number gnus-newsgroup-reads))
2607 gnus-ancient-mark))))
2609 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
2610 gnus-tmp-header gnus-tmp-level)
2611 gnus-newsgroup-data)
2613 ;; Actually insert the line.
2615 gnus-tmp-subject-or-nil
2617 ((and gnus-thread-ignore-subject
2618 gnus-tmp-prev-subject
2619 (not (inline (gnus-subject-equal
2620 gnus-tmp-prev-subject subject))))
2622 ((zerop gnus-tmp-level)
2623 (if (and (eq gnus-summary-make-false-root 'empty)
2624 (memq number gnus-tmp-gathered)
2625 gnus-tmp-prev-subject
2626 (inline (gnus-subject-equal
2627 gnus-tmp-prev-subject subject)))
2628 gnus-summary-same-subject
2630 (t gnus-summary-same-subject)))
2631 (if (and (eq gnus-summary-make-false-root 'adopt)
2632 (= gnus-tmp-level 1)
2633 (memq number gnus-tmp-gathered))
2634 (setq gnus-tmp-opening-bracket ?\<
2635 gnus-tmp-closing-bracket ?\>)
2636 (setq gnus-tmp-opening-bracket ?\[
2637 gnus-tmp-closing-bracket ?\]))
2639 gnus-tmp-indentation
2640 (aref gnus-thread-indent-array gnus-tmp-level)
2641 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
2642 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
2643 gnus-summary-default-score 0)
2645 (if (or (null gnus-summary-default-score)
2646 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
2647 gnus-summary-zcore-fuzz)) ?
2648 (if (< gnus-tmp-score gnus-summary-default-score)
2649 gnus-score-below-mark gnus-score-over-mark))
2651 (cond ((memq number gnus-newsgroup-processable)
2653 ((memq number gnus-newsgroup-cached)
2655 ((memq number gnus-newsgroup-replied)
2657 ((memq number gnus-newsgroup-saved)
2659 (t gnus-unread-mark))
2660 gnus-tmp-from (mail-header-from gnus-tmp-header)
2663 ((string-match "(.+)" gnus-tmp-from)
2664 (substring gnus-tmp-from
2665 (1+ (match-beginning 0)) (1- (match-end 0))))
2666 ((string-match "<[^>]+> *$" gnus-tmp-from)
2667 (setq beg-match (match-beginning 0))
2668 (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
2669 (substring gnus-tmp-from (1+ (match-beginning 0))
2670 (1- (match-end 0))))
2671 (substring gnus-tmp-from 0 beg-match)))
2673 (when (string= gnus-tmp-name "")
2674 (setq gnus-tmp-name gnus-tmp-from))
2675 (or (numberp gnus-tmp-lines) (setq gnus-tmp-lines 0))
2676 (gnus-put-text-property
2678 (progn (eval gnus-summary-line-format-spec) (point))
2679 'gnus-number number)
2682 (run-hooks 'gnus-summary-update-hook)
2685 (setq gnus-tmp-prev-subject subject)))
2687 (when (nth 1 thread)
2688 (push (cons (max 0 gnus-tmp-level) (nthcdr 1 thread)) stack))
2689 (incf gnus-tmp-level)
2690 (setq threads (if thread-end nil (cdar thread)))
2692 (setq gnus-tmp-level 0)))))
2693 (gnus-message 7 "Generating summary...done"))
2695 (defun gnus-summary-prepare-unthreaded (headers)
2696 "Generate an unthreaded summary buffer based on HEADERS."
2697 (let (header number mark)
2700 ;; We may have to root out some bad articles...
2701 (when (memq (setq number (mail-header-number
2702 (setq header (pop headers))))
2703 gnus-newsgroup-limit)
2704 ;; Mark article as read when it has a low score.
2705 (when (and gnus-summary-mark-below
2706 (< (or (cdr (assq number gnus-newsgroup-scored))
2707 gnus-summary-default-score 0)
2708 gnus-summary-mark-below)
2709 (not (memq number gnus-newsgroup-ancient)))
2710 (setq gnus-newsgroup-unreads
2711 (delq number gnus-newsgroup-unreads))
2712 (if gnus-newsgroup-auto-expire
2713 (push number gnus-newsgroup-expirable)
2714 (push (cons number gnus-low-score-mark)
2715 gnus-newsgroup-reads)))
2719 ((memq number gnus-newsgroup-marked) gnus-ticked-mark)
2720 ((memq number gnus-newsgroup-dormant) gnus-dormant-mark)
2721 ((memq number gnus-newsgroup-unreads) gnus-unread-mark)
2722 ((memq number gnus-newsgroup-expirable) gnus-expirable-mark)
2723 (t (or (cdr (assq number gnus-newsgroup-reads))
2724 gnus-ancient-mark))))
2725 (setq gnus-newsgroup-data
2726 (cons (gnus-data-make number mark (1+ (point)) header 0)
2727 gnus-newsgroup-data))
2728 (gnus-summary-insert-line
2729 header 0 nil mark (memq number gnus-newsgroup-replied)
2730 (memq number gnus-newsgroup-expirable)
2731 (mail-header-subject header) nil
2732 (cdr (assq number gnus-newsgroup-scored))
2733 (memq number gnus-newsgroup-processable))))))
2735 (defun gnus-select-newsgroup (group &optional read-all)
2736 "Select newsgroup GROUP.
2737 If READ-ALL is non-nil, all articles in the group are selected."
2738 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
2739 (info (nth 2 entry))
2740 articles fetched-articles cached)
2742 (or (gnus-check-server
2743 (setq gnus-current-select-method (gnus-find-method-for-group group)))
2744 (error "Couldn't open server"))
2746 (or (and entry (not (eq (car entry) t))) ; Either it's active...
2747 (gnus-activate-group group) ; Or we can activate it...
2748 (progn ; Or we bug out.
2749 (when (equal major-mode 'gnus-summary-mode)
2750 (kill-buffer (current-buffer)))
2751 (error "Couldn't request group %s: %s"
2752 group (gnus-status-message group))))
2754 (unless (gnus-request-group group t)
2755 (when (equal major-mode 'gnus-summary-mode)
2756 (kill-buffer (current-buffer)))
2757 (error "Couldn't request group %s: %s"
2758 group (gnus-status-message group)))
2760 (setq gnus-newsgroup-name group)
2761 (setq gnus-newsgroup-unselected nil)
2762 (setq gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
2764 ;; Adjust and set lists of article marks.
2766 (gnus-adjust-marked-articles info))
2768 ;; Kludge to avoid having cached articles nixed out in virtual groups.
2769 (when (gnus-virtual-group-p group)
2770 (setq cached gnus-newsgroup-cached))
2772 (setq gnus-newsgroup-unreads
2773 (gnus-set-difference
2774 (gnus-set-difference gnus-newsgroup-unreads gnus-newsgroup-marked)
2775 gnus-newsgroup-dormant))
2777 (setq gnus-newsgroup-processable nil)
2779 (setq articles (gnus-articles-to-read group read-all))
2783 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
2785 ((eq articles 0) nil)
2787 ;; Init the dependencies hash table.
2788 (setq gnus-newsgroup-dependencies
2789 (gnus-make-hashtable (length articles)))
2790 ;; Retrieve the headers and read them in.
2791 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
2792 (setq gnus-newsgroup-headers
2794 (setq gnus-headers-retrieved-by
2795 (gnus-retrieve-headers
2796 articles gnus-newsgroup-name
2797 ;; We might want to fetch old headers, but
2798 ;; not if there is only 1 article.
2799 (and gnus-fetch-old-headers
2801 (not (eq gnus-fetch-old-headers 'some))
2802 (not (numberp gnus-fetch-old-headers)))
2803 (> (length articles) 1))))))
2804 (gnus-get-newsgroup-headers-xover articles)
2805 (gnus-get-newsgroup-headers)))
2806 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name)
2808 ;; Kludge to avoid having cached articles nixed out in virtual groups.
2810 (setq gnus-newsgroup-cached cached))
2812 ;; Set the initial limit.
2813 (setq gnus-newsgroup-limit (copy-sequence articles))
2814 ;; Remove canceled articles from the list of unread articles.
2815 (setq gnus-newsgroup-unreads
2816 (gnus-set-sorted-intersection
2817 gnus-newsgroup-unreads
2818 (setq fetched-articles
2819 (mapcar (lambda (headers) (mail-header-number headers))
2820 gnus-newsgroup-headers))))
2821 ;; Removed marked articles that do not exist.
2822 (gnus-update-missing-marks
2823 (gnus-sorted-complement fetched-articles articles))
2824 ;; We might want to build some more threads first.
2825 (and gnus-fetch-old-headers
2826 (eq gnus-headers-retrieved-by 'nov)
2827 (gnus-build-old-threads))
2828 ;; Check whether auto-expire is to be done in this group.
2829 (setq gnus-newsgroup-auto-expire
2830 (gnus-group-auto-expirable-p group))
2831 ;; Set up the article buffer now, if necessary.
2832 (unless gnus-single-article-buffer
2833 (gnus-article-setup-buffer))
2834 ;; First and last article in this newsgroup.
2835 (when gnus-newsgroup-headers
2836 (setq gnus-newsgroup-begin
2837 (mail-header-number (car gnus-newsgroup-headers))
2840 (gnus-last-element gnus-newsgroup-headers))))
2841 ;; GROUP is successfully selected.
2842 (or gnus-newsgroup-headers t)))))
2844 (defun gnus-articles-to-read (group read-all)
2845 ;; Find out what articles the user wants to read.
2847 ;; Select all articles if `read-all' is non-nil, or if there
2848 ;; are no unread articles.
2850 (and (zerop (length gnus-newsgroup-marked))
2851 (zerop (length gnus-newsgroup-unreads))))
2852 (gnus-uncompress-range (gnus-active group))
2853 (sort (append gnus-newsgroup-dormant gnus-newsgroup-marked
2854 (copy-sequence gnus-newsgroup-unreads))
2856 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
2857 (scored (length scored-list))
2858 (number (length articles))
2859 (marked (+ (length gnus-newsgroup-marked)
2860 (length gnus-newsgroup-dormant)))
2868 ((and (or (<= scored marked) (= scored number))
2869 (numberp gnus-large-newsgroup)
2870 (> number gnus-large-newsgroup))
2874 "How many articles from %s (default %d): "
2875 gnus-newsgroup-name number))))
2876 (if (string-match "^[ \t]*$" input) number input)))
2877 ((and (> scored marked) (< scored number)
2878 (> (- scored number) 20))
2881 (format "%s %s (%d scored, %d total): "
2882 "How many articles from"
2883 group scored number))))
2884 (if (string-match "^[ \t]*$" input)
2888 (setq select (if (stringp select) (string-to-number select) select))
2889 (if (or (null select) (zerop select))
2891 (if (and (not (zerop scored)) (<= (abs select) scored))
2893 (setq articles (sort scored-list '<))
2894 (setq number (length articles)))
2895 (setq articles (copy-sequence articles)))
2897 (if (< (abs select) number)
2899 ;; Select the N oldest articles.
2900 (setcdr (nthcdr (1- (abs select)) articles) nil)
2901 ;; Select the N most recent articles.
2902 (setq articles (nthcdr (- number select) articles))))
2903 (setq gnus-newsgroup-unselected
2904 (gnus-sorted-intersection
2905 gnus-newsgroup-unreads
2906 (gnus-sorted-complement gnus-newsgroup-unreads articles)))
2909 (defun gnus-killed-articles (killed articles)
2912 (if (inline (gnus-member-of-range (car articles) killed))
2913 (setq out (cons (car articles) out)))
2914 (setq articles (cdr articles)))
2917 (defun gnus-uncompress-marks (marks)
2918 "Uncompress the mark ranges in MARKS."
2919 (let ((uncompressed '(score bookmark))
2922 (if (memq (caar marks) uncompressed)
2923 (push (car marks) out)
2924 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
2925 (setq marks (cdr marks)))
2928 (defun gnus-adjust-marked-articles (info)
2929 "Set all article lists and remove all marks that are no longer legal."
2930 (let* ((marked-lists (gnus-info-marks info))
2931 (active (gnus-active (gnus-info-group info)))
2934 (types gnus-article-mark-lists)
2935 (uncompressed '(score bookmark killed))
2936 marks var articles article mark)
2939 (setq marks (pop marked-lists))
2940 (set (setq var (intern (format "gnus-newsgroup-%s"
2941 (car (rassq (setq mark (car marks))
2943 (if (memq (car marks) uncompressed) (cdr marks)
2944 (gnus-uncompress-range (cdr marks))))
2946 (setq articles (symbol-value var))
2948 ;; All articles have to be subsets of the active articles.
2950 ;; Adjust "simple" lists.
2951 ((memq mark '(tick dormant expirable reply save))
2953 (when (or (< (setq article (pop articles)) min) (> article max))
2954 (set var (delq article (symbol-value var))))))
2956 ((memq mark uncompressed)
2958 (when (or (not (consp (setq article (pop articles))))
2959 (< (car article) min)
2960 (> (car article) max))
2961 (set var (delq article (symbol-value var))))))))))
2963 (defun gnus-update-missing-marks (missing)
2964 "Go through the list of MISSING articles and remove them mark lists."
2966 (let ((types gnus-article-mark-lists)
2968 ;; Go through all types.
2970 (setq var (intern (format "gnus-newsgroup-%s" (car (pop types)))))
2971 (when (symbol-value var)
2972 ;; This list has articles. So we delete all missing articles
2976 (set var (delq (pop m) (symbol-value var)))))))))
2978 (defun gnus-update-marks ()
2979 "Enter the various lists of marked articles into the newsgroup info list."
2980 (let ((types gnus-article-mark-lists)
2981 (info (gnus-get-info gnus-newsgroup-name))
2982 (uncompressed '(score bookmark killed))
2983 type list newmarked symbol)
2985 ;; Add all marks lists that are non-nil to the list of marks lists.
2987 (setq type (pop types))
2988 (when (setq list (symbol-value
2990 (intern (format "gnus-newsgroup-%s"
2992 (push (cons (cdr type)
2993 (if (memq (cdr type) uncompressed) list
2994 (gnus-compress-sequence
2995 (set symbol (sort list '<)) t)))
2998 ;; Enter these new marks into the info of the group.
3000 (setcar (nthcdr 3 info) newmarked)
3001 ;; Add the marks lists to the end of the info.
3003 (setcdr (nthcdr 2 info) (list newmarked))))
3005 ;; Cut off the end of the info if there's nothing else there.
3009 (when (nthcdr (decf i) info)
3010 (setcdr (nthcdr i info) nil)))))))
3012 (defun gnus-add-marked-articles (group type articles &optional info force)
3013 ;; Add ARTICLES of TYPE to the info of GROUP.
3014 ;; If INFO is non-nil, use that info. If FORCE is non-nil, don't
3015 ;; add, but replace marked articles of TYPE with ARTICLES.
3016 (let ((info (or info (gnus-get-info group)))
3017 (uncompressed '(score bookmark killed))
3020 (and (not (setq marked (nthcdr 3 info)))
3022 (setcdr (nthcdr 2 info)
3023 (list (list (cons type (gnus-compress-sequence
3025 (and (not (setq m (assq type (car marked))))
3028 (cons (cons type (gnus-compress-sequence articles t) )
3032 (setcar (nthcdr 3 info)
3033 (delq (assq type (car marked)) (car marked)))
3034 (setcdr m (gnus-compress-sequence articles t)))
3035 (setcdr m (gnus-compress-sequence
3036 (sort (nconc (gnus-uncompress-range (cdr m))
3037 (copy-sequence articles)) '<) t))))))
3039 (defun gnus-set-mode-line (where)
3040 "This function sets the mode line of the article or summary buffers.
3041 If WHERE is `summary', the summary mode line format will be used."
3042 ;; Is this mode line one we keep updated?
3043 (when (memq where gnus-updated-mode-lines)
3046 ;; We evaluate this in the summary buffer since these
3047 ;; variables are buffer-local to that buffer.
3048 (set-buffer gnus-summary-buffer)
3049 ;; We bind all these variables that are used in the `eval' form
3051 (let* ((mformat (symbol-value
3053 (format "gnus-%s-mode-line-format-spec" where))))
3054 (gnus-tmp-group-name gnus-newsgroup-name)
3055 (gnus-tmp-article-number (or gnus-current-article 0))
3056 (gnus-tmp-unread gnus-newsgroup-unreads)
3057 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
3058 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
3059 (gnus-tmp-unread-and-unselected
3060 (cond ((and (zerop gnus-tmp-unread-and-unticked)
3061 (zerop gnus-tmp-unselected)) "")
3062 ((zerop gnus-tmp-unselected)
3063 (format "{%d more}" gnus-tmp-unread-and-unticked))
3064 (t (format "{%d(+%d) more}"
3065 gnus-tmp-unread-and-unticked
3066 gnus-tmp-unselected))))
3068 (if (and gnus-current-headers
3069 (vectorp gnus-current-headers))
3070 (gnus-mode-string-quote
3071 (mail-header-subject gnus-current-headers)) ""))
3073 gnus-tmp-header);; passed as argument to any user-format-funcs
3074 (setq mode-string (eval mformat))
3075 (setq max-len (max 4 (if gnus-mode-non-string-length
3077 gnus-mode-non-string-length)
3078 (length mode-string))))
3079 ;; We might have to chop a bit of the string off...
3080 (when (> (length mode-string) max-len)
3082 (concat (gnus-truncate-string mode-string (- max-len 3))
3084 ;; Pad the mode string a bit.
3085 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
3086 ;; Update the mode line.
3087 (setq mode-line-buffer-identification
3088 (gnus-mode-line-buffer-identification
3089 (list mode-string)))
3090 (set-buffer-modified-p t))))
3092 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
3093 "Go through the HEADERS list and add all Xrefs to a hash table.
3094 The resulting hash table is returned, or nil if no Xrefs were found."
3095 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
3096 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
3097 (xref-hashtb (make-vector 63 0))
3098 start group entry number xrefs header)
3100 (setq header (pop headers))
3101 (when (and (setq xrefs (mail-header-xref header))
3102 (not (memq (setq number (mail-header-number header))
3105 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
3106 (setq start (match-end 0))
3107 (setq group (if prefix
3108 (concat prefix (substring xrefs (match-beginning 1)
3110 (substring xrefs (match-beginning 1) (match-end 1))))
3112 (string-to-int (substring xrefs (match-beginning 2)
3114 (if (setq entry (gnus-gethash group xref-hashtb))
3115 (setcdr entry (cons number (cdr entry)))
3116 (gnus-sethash group (cons number nil) xref-hashtb)))))
3117 (and start xref-hashtb)))
3119 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
3120 "Look through all the headers and mark the Xrefs as read."
3121 (let ((virtual (gnus-virtual-group-p from-newsgroup))
3122 name entry info xref-hashtb idlist method nth4)
3124 (set-buffer gnus-group-buffer)
3125 (when (setq xref-hashtb
3126 (gnus-create-xref-hashtb from-newsgroup headers unreads))
3129 (unless (string= from-newsgroup (setq name (symbol-name group)))
3130 (setq idlist (symbol-value group))
3131 ;; Dead groups are not updated.
3133 (setq entry (gnus-gethash name gnus-newsrc-hashtb)
3135 (if (stringp (setq nth4 (gnus-info-method info)))
3136 (setq nth4 (gnus-server-to-method nth4))))
3137 ;; Only do the xrefs if the group has the same
3138 ;; select method as the group we have just read.
3139 (or (gnus-methods-equal-p
3140 nth4 (gnus-find-method-for-group from-newsgroup))
3142 (equal nth4 (setq method (gnus-find-method-for-group
3144 (and (equal (car nth4) (car method))
3145 (equal (nth 1 nth4) (nth 1 method))))
3146 gnus-use-cross-reference
3147 (or (not (eq gnus-use-cross-reference t))
3149 ;; Only do cross-references on subscribed
3150 ;; groups, if that is what is wanted.
3151 (<= (gnus-info-level info) gnus-level-subscribed))
3152 (gnus-group-make-articles-read name idlist))))
3155 (defun gnus-group-make-articles-read (group articles)
3157 (entry (gnus-gethash group gnus-newsrc-hashtb))
3158 (info (nth 2 entry))
3159 (active (gnus-active group))
3161 ;; First peel off all illegal article numbers.
3163 (let ((ids articles)
3165 (while (setq id (pop ids))
3166 (when (and first (> id (cdr active)))
3167 ;; We'll end up in this situation in one particular
3168 ;; obscure situation. If you re-scan a group and get
3169 ;; a new article that is cross-posted to a different
3170 ;; group that has not been re-scanned, you might get
3171 ;; crossposted article that has a higher number than
3172 ;; Gnus believes possible. So we re-activate this
3173 ;; group as well. This might mean doing the
3174 ;; crossposting thingy will *increase* the number
3175 ;; of articles in some groups. Tsk, tsk.
3176 (setq active (or (gnus-activate-group group) active)))
3177 (when (or (> id (cdr active))
3178 (< id (car active)))
3179 (setq articles (delq id articles))))))
3180 ;; If the read list is nil, we init it.
3182 (null (gnus-info-read info))
3184 (gnus-info-set-read info (cons 1 (1- (car active)))))
3185 ;; Then we add the read articles to the range.
3190 (gnus-info-read info) (setq articles (sort articles '<)))))
3191 ;; Then we have to re-compute how many unread
3192 ;; articles there are in this group.
3197 (setq num (- (1+ (cdr active)) (car active))))
3198 ((not (listp (cdr range)))
3199 (setq num (- (cdr active) (- (1+ (cdr range))
3203 (if (numberp (car range))
3205 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
3206 (setq range (cdr range)))
3207 (setq num (- (cdr active) num))))
3208 ;; Update the number of unread articles.
3210 ;; Update the group buffer.
3211 (gnus-group-update-group group t)))))
3213 (defun gnus-methods-equal-p (m1 m2)
3214 (let ((m1 (or m1 gnus-select-method))
3215 (m2 (or m2 gnus-select-method)))
3217 (and (eq (car m1) (car m2))
3218 (or (not (memq 'address (assoc (symbol-name (car m1))
3219 gnus-valid-select-methods)))
3220 (equal (nth 1 m1) (nth 1 m2)))))))
3222 (defsubst gnus-header-value ()
3223 (buffer-substring (match-end 0) (gnus-point-at-eol)))
3225 (defvar gnus-newsgroup-none-id 0)
3227 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
3228 (let ((cur nntp-server-buffer)
3231 (save-excursion (set-buffer gnus-summary-buffer)
3232 gnus-newsgroup-dependencies)))
3233 headers id id-dep ref-dep end ref)
3235 (set-buffer nntp-server-buffer)
3236 (run-hooks 'gnus-parse-headers-hook)
3237 (let ((case-fold-search t)
3238 in-reply-to header p lines)
3239 (goto-char (point-min))
3240 ;; Search to the beginning of the next header. Error messages
3241 ;; do not begin with 2 or 3.
3242 (while (re-search-forward "^[23][0-9]+ " nil t)
3245 ;; This implementation of this function, with nine
3246 ;; search-forwards instead of the one re-search-forward and
3247 ;; a case (which basically was the old function) is actually
3248 ;; about twice as fast, even though it looks messier. You
3249 ;; can't have everything, I guess. Speed and elegance
3250 ;; doesn't always go hand in hand.
3259 (narrow-to-region (point)
3260 (or (and (search-forward "\n.\n" nil t)
3266 (if (search-forward "\nsubject: " nil t)
3267 (gnus-header-value) "(none)"))
3271 (if (search-forward "\nfrom: " nil t)
3272 (gnus-header-value) "(nobody)"))
3276 (if (search-forward "\ndate: " nil t)
3277 (gnus-header-value) ""))
3281 (if (search-forward "\nmessage-id: " nil t)
3282 (setq id (gnus-header-value))
3283 ;; If there was no message-id, we just fake one to make
3284 ;; subsequent routines simpler.
3285 (setq id (concat "none+"
3287 (setq gnus-newsgroup-none-id
3288 (1+ gnus-newsgroup-none-id)))))))
3292 (if (search-forward "\nreferences: " nil t)
3301 (search-backward ">" end t)
3304 (search-backward "<" end t)
3306 ;; Get the references from the in-reply-to header if there
3307 ;; were no references and the in-reply-to header looks
3309 (if (and (search-forward "\nin-reply-to: " nil t)
3310 (setq in-reply-to (gnus-header-value))
3311 (string-match "<[^>]+>" in-reply-to))
3312 (setq ref (substring in-reply-to (match-beginning 0)
3320 (if (search-forward "\nlines: " nil t)
3321 (if (numberp (setq lines (read cur)))
3327 (and (search-forward "\nxref: " nil t)
3328 (gnus-header-value)))))
3329 ;; We do the threading while we read the headers. The
3330 ;; message-id and the last reference are both entered into
3331 ;; the same hash table. Some tippy-toeing around has to be
3332 ;; done in case an article has arrived before the article
3333 ;; which it refers to.
3334 (if (boundp (setq id-dep (intern id dependencies)))
3335 (if (and (car (symbol-value id-dep))
3337 ;; An article with this Message-ID has already
3338 ;; been seen, so we ignore this one, except we add
3339 ;; any additional Xrefs (in case the two articles
3340 ;; came from different servers).
3342 (mail-header-set-xref
3343 (car (symbol-value id-dep))
3344 (concat (or (mail-header-xref
3345 (car (symbol-value id-dep))) "")
3346 (or (mail-header-xref header) "")))
3348 (setcar (symbol-value id-dep) header))
3349 (set id-dep (list header)))
3351 (if (boundp (setq ref-dep (intern ref dependencies)))
3352 (setcdr (symbol-value ref-dep)
3353 (nconc (cdr (symbol-value ref-dep))
3354 (list (symbol-value id-dep))))
3355 (set ref-dep (list nil (symbol-value id-dep))))
3356 (setq headers (cons header headers)))
3357 (goto-char (point-max))
3359 (nreverse headers)))))
3361 ;; The following macros and functions were written by Felix Lee
3362 ;; <flee@cse.psu.edu>.
3364 (defmacro gnus-nov-read-integer ()
3366 (if (= (following-char) ?\t)
3368 (let ((num (condition-case nil (read buffer) (error nil))))
3369 (if (numberp num) num 0)))
3370 (or (eobp) (forward-char 1))))
3372 (defmacro gnus-nov-skip-field ()
3373 '(search-forward "\t" eol 'move))
3375 (defmacro gnus-nov-field ()
3376 '(buffer-substring (point) (if (gnus-nov-skip-field) (1- (point)) eol)))
3378 ;; Goes through the xover lines and returns a list of vectors
3379 (defun gnus-get-newsgroup-headers-xover (sequence &optional
3380 force-new dependencies)
3381 "Parse the news overview data in the server buffer, and return a
3382 list of headers that match SEQUENCE (see `nntp-retrieve-headers')."
3383 ;; Get the Xref when the users reads the articles since most/some
3384 ;; NNTP servers do not include Xrefs when using XOVER.
3385 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
3386 (let ((cur nntp-server-buffer)
3387 (dependencies (or dependencies gnus-newsgroup-dependencies))
3388 number headers header)
3390 (set-buffer nntp-server-buffer)
3391 ;; Allow the user to mangle the headers before parsing them.
3392 (run-hooks 'gnus-parse-headers-hook)
3393 (goto-char (point-min))
3394 (while (and sequence (not (eobp)))
3395 (setq number (read cur))
3396 (while (and sequence (< (car sequence) number))
3397 (setq sequence (cdr sequence)))
3399 (eq number (car sequence))
3401 (setq sequence (cdr sequence))
3403 (inline (gnus-nov-parse-line
3404 number dependencies force-new)))
3405 (setq headers (cons header headers)))))
3407 (setq headers (nreverse headers)))
3410 ;; This function has to be called with point after the article number
3411 ;; on the beginning of the line.
3412 (defun gnus-nov-parse-line (number dependencies &optional force-new)
3414 (eol (gnus-point-at-eol))
3415 (buffer (current-buffer))
3416 header ref id id-dep ref-dep)
3418 ;; overview: [num subject from date id refs chars lines misc]
3419 (narrow-to-region (point) eol)
3420 (or (eobp) (forward-char))
3426 (gnus-nov-field) ; subject
3427 (gnus-nov-field) ; from
3428 (gnus-nov-field) ; date
3429 (setq id (or (gnus-nov-field)
3432 (setq none (1+ none)))))) ; id
3435 (let ((beg (point)))
3436 (search-forward "\t" eol)
3437 (if (search-backward ">" beg t)
3441 (search-backward "<" beg t)))
3443 (gnus-nov-field)) ; refs
3444 (gnus-nov-read-integer) ; chars
3445 (gnus-nov-read-integer) ; lines
3446 (if (= (following-char) ?\n)
3448 (gnus-nov-field)) ; misc
3451 (gnus-error 4 "Strange nov line")
3457 ;; We build the thread tree.
3459 (if (boundp (setq id-dep (intern id dependencies)))
3460 (if (and (car (symbol-value id-dep))
3462 ;; An article with this Message-ID has already been seen,
3463 ;; so we ignore this one, except we add any additional
3464 ;; Xrefs (in case the two articles came from different
3467 (mail-header-set-xref
3468 (car (symbol-value id-dep))
3469 (concat (or (mail-header-xref
3470 (car (symbol-value id-dep))) "")
3471 (or (mail-header-xref header) "")))
3473 (setcar (symbol-value id-dep) header))
3474 (set id-dep (list header))))
3476 (if (boundp (setq ref-dep (intern (or ref "none") dependencies)))
3477 (setcdr (symbol-value ref-dep)
3478 (nconc (cdr (symbol-value ref-dep))
3479 (list (symbol-value id-dep))))
3480 (set ref-dep (list nil (symbol-value id-dep)))))
3483 (defun gnus-article-get-xrefs ()
3484 "Fill in the Xref value in `gnus-current-headers', if necessary.
3485 This is meant to be called in `gnus-article-internal-prepare-hook'."
3486 (let ((headers (save-excursion (set-buffer gnus-summary-buffer)
3487 gnus-current-headers)))
3488 (or (not gnus-use-cross-reference)
3490 (and (mail-header-xref headers)
3491 (not (string= (mail-header-xref headers) "")))
3492 (let ((case-fold-search t)
3495 (nnheader-narrow-to-headers)
3496 (goto-char (point-min))
3497 (if (or (and (eq (downcase (following-char)) ?x)
3498 (looking-at "Xref:"))
3499 (search-forward "\nXref:" nil t))
3501 (goto-char (1+ (match-end 0)))
3502 (setq xref (buffer-substring (point)
3503 (progn (end-of-line) (point))))
3504 (mail-header-set-xref headers xref))))))))
3506 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
3507 "Find article ID and insert the summary line for that article."
3508 (let ((header (if (and old-header use-old-header)
3509 old-header (gnus-read-header id)))
3510 (number (and (numberp id) id))
3513 ;; Rebuild the thread that this article is part of and go to the
3514 ;; article we have fetched.
3515 (when (and (not gnus-show-threads)
3517 (when (setq pos (text-property-any
3518 (point-min) (point-max) 'gnus-number
3519 (mail-header-number old-header)))
3522 (gnus-data-remove (mail-header-number old-header))))
3524 (mail-header-set-number header (mail-header-number old-header)))
3525 (setq gnus-newsgroup-sparse
3526 (delq (setq number (mail-header-number header))
3527 gnus-newsgroup-sparse))
3528 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
3529 (gnus-rebuild-thread (mail-header-id header))
3530 (gnus-summary-goto-subject number nil t))
3531 (when (and (numberp number)
3533 ;; We have to update the boundaries even if we can't fetch the
3534 ;; article if ID is a number -- so that the next `P' or `N'
3535 ;; command will fetch the previous (or next) article even
3536 ;; if the one we tried to fetch this time has been canceled.
3537 (and (> number gnus-newsgroup-end)
3538 (setq gnus-newsgroup-end number))
3539 (and (< number gnus-newsgroup-begin)
3540 (setq gnus-newsgroup-begin number))
3541 (setq gnus-newsgroup-unselected
3542 (delq number gnus-newsgroup-unselected)))
3543 ;; Report back a success?
3544 (and header (mail-header-number header))))
3546 (defun gnus-summary-work-articles (n)
3547 "Return a list of articles to be worked upon. The prefix argument,
3548 the list of process marked articles, and the current article will be
3549 taken into consideration."
3552 ;; A numerical prefix has been given.
3553 (let ((backward (< n 0))
3554 (n (abs (prefix-numeric-value n)))
3559 (push (setq article (gnus-summary-article-number))
3562 (gnus-summary-find-prev nil article)
3563 (gnus-summary-find-next nil article)))
3565 (nreverse articles)))
3566 ((and (boundp 'transient-mark-mode)
3569 ;; Work on the region between point and mark.
3570 (let ((max (max (point) (mark)))
3573 (goto-char (min (point) (mark)))
3576 (push (setq article (gnus-summary-article-number)) articles)
3577 (gnus-summary-find-next nil article)
3579 (nreverse articles))))
3580 (gnus-newsgroup-processable
3581 ;; There are process-marked articles present.
3582 (reverse gnus-newsgroup-processable))
3584 ;; Just return the current article.
3585 (list (gnus-summary-article-number)))))
3587 (defun gnus-summary-search-group (&optional backward use-level)
3588 "Search for next unread newsgroup.
3589 If optional argument BACKWARD is non-nil, search backward instead."
3591 (set-buffer gnus-group-buffer)
3592 (if (gnus-group-search-forward
3593 backward nil (if use-level (gnus-group-group-level) nil))
3594 (gnus-group-group-name))))
3596 (defun gnus-summary-best-group (&optional exclude-group)
3597 "Find the name of the best unread group.
3598 If EXCLUDE-GROUP, do not go to this group."
3600 (set-buffer gnus-group-buffer)
3602 (gnus-group-best-unread-group exclude-group))))
3604 (defun gnus-summary-find-next (&optional unread article backward)
3605 (if backward (gnus-summary-find-prev)
3606 (let* ((dummy (gnus-summary-article-intangible-p))
3607 (article (or article (gnus-summary-article-number)))
3608 (arts (gnus-data-find-list article))
3610 (when (and (not dummy)
3611 (or (not gnus-summary-check-current)
3613 (not (gnus-data-unread-p (car arts)))))
3614 (setq arts (cdr arts)))
3619 (when (gnus-data-unread-p (car arts))
3620 (setq result (car arts)
3622 (setq arts (cdr arts)))
3625 (goto-char (gnus-data-pos result))
3626 (gnus-data-number result)))))
3628 (defun gnus-summary-find-prev (&optional unread article)
3629 (let* ((eobp (eobp))
3630 (article (or article (gnus-summary-article-number)))
3631 (arts (gnus-data-find-list article (gnus-data-list 'rev)))
3633 (when (and (not eobp)
3634 (or (not gnus-summary-check-current)
3636 (not (gnus-data-unread-p (car arts)))))
3637 (setq arts (cdr arts)))
3642 (and (gnus-data-unread-p (car arts))
3643 (setq result (car arts)
3645 (setq arts (cdr arts)))
3649 (goto-char (gnus-data-pos result))
3650 (gnus-data-number result)))))
3652 (defun gnus-summary-find-subject (subject &optional unread backward article)
3653 (let* ((simp-subject (gnus-simplify-subject-fully subject))
3654 (article (or article (gnus-summary-article-number)))
3655 (articles (gnus-data-list backward))
3656 (arts (gnus-data-find-list article articles))
3658 (when (or (not gnus-summary-check-current)
3660 (not (gnus-data-unread-p (car arts))))
3661 (setq arts (cdr arts)))
3663 (and (or (not unread)
3664 (gnus-data-unread-p (car arts)))
3665 (vectorp (gnus-data-header (car arts)))
3667 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
3668 (setq result (car arts)
3670 (setq arts (cdr arts)))
3672 (goto-char (gnus-data-pos result))
3673 (gnus-data-number result))))
3675 (defun gnus-summary-search-forward (&optional unread subject backward)
3676 "Search forward for an article.
3677 If UNREAD, look for unread articles. If SUBJECT, look for
3678 articles with that subject. If BACKWARD, search backward instead."
3679 (cond (subject (gnus-summary-find-subject subject unread backward))
3680 (backward (gnus-summary-find-prev unread))
3681 (t (gnus-summary-find-next unread))))
3683 (defun gnus-recenter (&optional n)
3684 "Center point in window and redisplay frame.
3685 Also do horizontal recentering."
3687 (when (and gnus-auto-center-summary
3688 (not (eq gnus-auto-center-summary 'vertical)))
3689 (gnus-horizontal-recenter))
3692 (defun gnus-summary-recenter ()
3693 "Center point in the summary window.
3694 If `gnus-auto-center-summary' is nil, or the article buffer isn't
3695 displayed, no centering will be performed."
3696 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
3697 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
3698 (let* ((top (cond ((< (window-height) 4) 0)
3699 ((< (window-height) 7) 1)
3701 (height (1- (window-height)))
3702 (bottom (save-excursion (goto-char (point-max))
3703 (forward-line (- height))
3705 (window (get-buffer-window (current-buffer))))
3706 ;; The user has to want it.
3707 (when gnus-auto-center-summary
3708 (when (get-buffer-window gnus-article-buffer)
3709 ;; Only do recentering when the article buffer is displayed,
3710 ;; Set the window start to either `bottom', which is the biggest
3711 ;; possible valid number, or the second line from the top,
3712 ;; whichever is the least.
3714 window (min bottom (save-excursion
3715 (forward-line (- top)) (point)))))
3716 ;; Do horizontal recentering while we're at it.
3717 (when (and (get-buffer-window (current-buffer) t)
3718 (not (eq gnus-auto-center-summary 'vertical)))
3719 (let ((selected (selected-window)))
3720 (select-window (get-buffer-window (current-buffer) t))
3721 (gnus-summary-position-point)
3722 (gnus-horizontal-recenter)
3723 (select-window selected))))))
3725 (defun gnus-summary-jump-to-group (newsgroup)
3726 "Move point to NEWSGROUP in group mode buffer."
3727 ;; Keep update point of group mode buffer if visible.
3728 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
3729 (save-window-excursion
3730 ;; Take care of tree window mode.
3731 (if (get-buffer-window gnus-group-buffer)
3732 (pop-to-buffer gnus-group-buffer))
3733 (gnus-group-jump-to-group newsgroup))
3735 ;; Take care of tree window mode.
3736 (if (get-buffer-window gnus-group-buffer)
3737 (pop-to-buffer gnus-group-buffer)
3738 (set-buffer gnus-group-buffer))
3739 (gnus-group-jump-to-group newsgroup))))
3741 ;; This function returns a list of article numbers based on the
3742 ;; difference between the ranges of read articles in this group and
3743 ;; the range of active articles.
3744 (defun gnus-list-of-unread-articles (group)
3745 (let* ((read (gnus-info-read (gnus-get-info group)))
3746 (active (gnus-active group))
3749 ;; If none are read, then all are unread.
3751 (setq first (car active))
3752 ;; If the range of read articles is a single range, then the
3753 ;; first unread article is the article after the last read
3754 ;; article. Sounds logical, doesn't it?
3755 (if (not (listp (cdr read)))
3756 (setq first (1+ (cdr read)))
3757 ;; `read' is a list of ranges.
3758 (if (/= (setq nlast (or (and (numberp (car read)) (car read))
3763 (while (< first nlast)
3764 (setq unread (cons first unread))
3765 (setq first (1+ first))))
3766 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
3767 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
3768 (setq read (cdr read)))))
3769 ;; And add the last unread articles.
3770 (while (<= first last)
3771 (setq unread (cons first unread))
3772 (setq first (1+ first)))
3773 ;; Return the list of unread articles.
3776 (defun gnus-list-of-read-articles (group)
3777 "Return a list of unread, unticked and non-dormant articles."
3778 (let* ((info (gnus-get-info group))
3779 (marked (gnus-info-marks info))
3780 (active (gnus-active group)))
3782 (gnus-set-difference
3783 (gnus-sorted-complement
3784 (gnus-uncompress-range active)
3785 (gnus-list-of-unread-articles group))
3787 (gnus-uncompress-range (cdr (assq 'dormant marked)))
3788 (gnus-uncompress-range (cdr (assq 'tick marked))))))))
3790 ;; Various summary commands
3792 (defun gnus-summary-universal-argument (arg)
3793 "Perform any operation on all articles that are process/prefixed."
3795 (gnus-set-global-variables)
3796 (let ((articles (gnus-summary-work-articles arg))
3803 (substitute-command-keys
3804 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"
3807 (gnus-error 1 "Undefined key")
3810 (gnus-summary-goto-subject (setq article (pop articles)))
3811 (command-execute func)
3812 (gnus-summary-remove-process-mark article)))))
3813 (gnus-summary-position-point))
3815 (defun gnus-summary-toggle-truncation (&optional arg)
3816 "Toggle truncation of summary lines.
3817 With arg, turn line truncation on iff arg is positive."
3819 (setq truncate-lines
3820 (if (null arg) (not truncate-lines)
3821 (> (prefix-numeric-value arg) 0)))
3824 (defun gnus-summary-reselect-current-group (&optional all rescan)
3825 "Exit and then reselect the current newsgroup.
3826 The prefix argument ALL means to select all articles."
3828 (gnus-set-global-variables)
3829 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
3830 (error "Ephemeral groups can't be reselected"))
3831 (let ((current-subject (gnus-summary-article-number))
3832 (group gnus-newsgroup-name))
3833 (setq gnus-newsgroup-begin nil)
3835 ;; We have to adjust the point of group mode buffer because the
3836 ;; current point was moved to the next unread newsgroup by
3838 (gnus-summary-jump-to-group group)
3841 (gnus-group-get-new-news-this-group 1)))
3842 (gnus-group-read-group all t)
3843 (gnus-summary-goto-subject current-subject nil t)))
3845 (defun gnus-summary-rescan-group (&optional all)
3846 "Exit the newsgroup, ask for new articles, and select the newsgroup."
3848 (gnus-summary-reselect-current-group all t))
3850 (defun gnus-summary-update-info ()
3851 (let* ((group gnus-newsgroup-name))
3852 (when gnus-newsgroup-kill-headers
3853 (setq gnus-newsgroup-killed
3854 (gnus-compress-sequence
3856 (gnus-set-sorted-intersection
3857 (gnus-uncompress-range gnus-newsgroup-killed)
3858 (setq gnus-newsgroup-unselected
3859 (sort gnus-newsgroup-unselected '<)))
3860 (setq gnus-newsgroup-unreads
3861 (sort gnus-newsgroup-unreads '<))) t)))
3862 (unless (listp (cdr gnus-newsgroup-killed))
3863 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
3864 (let ((headers gnus-newsgroup-headers))
3865 (run-hooks 'gnus-exit-group-hook)
3866 (unless gnus-save-score
3867 (setq gnus-newsgroup-scored nil))
3868 ;; Set the new ranges of read articles.
3869 (gnus-update-read-articles
3870 group (append gnus-newsgroup-unreads gnus-newsgroup-unselected))
3871 ;; Set the current article marks.
3873 ;; Do the cross-ref thing.
3874 (when gnus-use-cross-reference
3875 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
3876 ;; Do adaptive scoring, and possibly save score files.
3877 (when gnus-newsgroup-adaptive
3878 (gnus-score-adaptive))
3879 (when gnus-use-scoring
3881 ;; Do not switch windows but change the buffer to work.
3882 (set-buffer gnus-group-buffer)
3883 (or (gnus-ephemeral-group-p gnus-newsgroup-name)
3884 (gnus-group-update-group group)))))
3886 (defun gnus-summary-exit (&optional temporary)
3887 "Exit reading current newsgroup, and then return to group selection mode.
3888 gnus-exit-group-hook is called with no arguments if that value is non-nil."
3890 (gnus-set-global-variables)
3891 (gnus-kill-save-kill-buffer)
3892 (let* ((group gnus-newsgroup-name)
3893 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
3895 (buf (current-buffer)))
3896 (run-hooks 'gnus-summary-prepare-exit-hook)
3897 ;; If we have several article buffers, we kill them at exit.
3898 (unless gnus-single-article-buffer
3899 (gnus-kill-buffer gnus-original-article-buffer)
3900 (setq gnus-article-current nil))
3901 (when gnus-use-cache
3902 (gnus-cache-possibly-remove-articles)
3903 (gnus-cache-save-buffers))
3904 (gnus-async-prefetch-remove-group group)
3905 (when gnus-use-trees
3906 (gnus-tree-close group))
3907 ;; Make all changes in this group permanent.
3909 (gnus-summary-update-info))
3910 (gnus-close-group group)
3911 ;; Make sure where I was, and go to next newsgroup.
3912 (set-buffer gnus-group-buffer)
3914 (gnus-group-jump-to-group group))
3915 (run-hooks 'gnus-summary-exit-hook)
3917 (gnus-group-next-unread-group 1))
3920 ;; If we have several article buffers, we kill them at exit.
3921 (unless gnus-single-article-buffer
3922 (gnus-kill-buffer gnus-article-buffer)
3923 (gnus-kill-buffer gnus-original-article-buffer)
3924 (setq gnus-article-current nil))
3926 (if (not gnus-kill-summary-on-exit)
3927 (gnus-deaden-summary)
3928 ;; We set all buffer-local variables to nil. It is unclear why
3929 ;; this is needed, but if we don't, buffer-local variables are
3930 ;; not garbage-collected, it seems. This would the lead to en
3931 ;; ever-growing Emacs.
3932 (gnus-summary-clear-local-variables)
3933 (when (get-buffer gnus-article-buffer)
3934 (bury-buffer gnus-article-buffer))
3935 ;; We clear the global counterparts of the buffer-local
3936 ;; variables as well, just to be on the safe side.
3937 (gnus-configure-windows 'group 'force)
3938 (gnus-summary-clear-local-variables)
3939 ;; Return to group mode buffer.
3940 (if (eq mode 'gnus-summary-mode)
3941 (gnus-kill-buffer buf)))
3942 (setq gnus-current-select-method gnus-select-method)
3943 (pop-to-buffer gnus-group-buffer)
3944 ;; Clear the current group name.
3945 (if (not quit-config)
3947 (gnus-group-jump-to-group group)
3948 (gnus-group-next-unread-group 1)
3949 (gnus-configure-windows 'group 'force))
3950 (if (not (buffer-name (car quit-config)))
3951 (gnus-configure-windows 'group 'force)
3952 (set-buffer (car quit-config))
3953 (and (eq major-mode 'gnus-summary-mode)
3954 (gnus-set-global-variables))
3955 (gnus-configure-windows (cdr quit-config))))
3957 (setq gnus-newsgroup-name nil)))))
3959 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
3960 (defun gnus-summary-exit-no-update (&optional no-questions)
3961 "Quit reading current newsgroup without updating read article info."
3963 (gnus-set-global-variables)
3964 (let* ((group gnus-newsgroup-name)
3965 (quit-config (gnus-group-quit-config group)))
3966 (when (or no-questions
3968 (gnus-y-or-n-p "Do you really wanna quit reading this group? "))
3969 ;; If we have several article buffers, we kill them at exit.
3970 (unless gnus-single-article-buffer
3971 (gnus-kill-buffer gnus-article-buffer)
3972 (gnus-kill-buffer gnus-original-article-buffer)
3973 (setq gnus-article-current nil))
3974 (if (not gnus-kill-summary-on-exit)
3975 (gnus-deaden-summary)
3976 (gnus-close-group group)
3977 (gnus-summary-clear-local-variables)
3978 (set-buffer gnus-group-buffer)
3979 (gnus-summary-clear-local-variables)
3980 (when (get-buffer gnus-summary-buffer)
3981 (kill-buffer gnus-summary-buffer)))
3982 (unless gnus-single-article-buffer
3983 (setq gnus-article-current nil))
3984 (when gnus-use-trees
3985 (gnus-tree-close group))
3986 (gnus-async-prefetch-remove-group group)
3987 (when (get-buffer gnus-article-buffer)
3988 (bury-buffer gnus-article-buffer))
3989 ;; Return to the group buffer.
3990 (gnus-configure-windows 'group 'force)
3991 ;; Clear the current group name.
3992 (setq gnus-newsgroup-name nil)
3993 (when (equal (gnus-group-group-name) group)
3994 (gnus-group-next-unread-group 1))
3996 (if (not (buffer-name (car quit-config)))
3997 (gnus-configure-windows 'group 'force)
3998 (set-buffer (car quit-config))
3999 (when (eq major-mode 'gnus-summary-mode)
4000 (gnus-set-global-variables))
4001 (gnus-configure-windows (cdr quit-config)))))))
4005 (defvar gnus-dead-summary-mode-map nil)
4007 (if gnus-dead-summary-mode-map
4009 (setq gnus-dead-summary-mode-map (make-keymap))
4010 (suppress-keymap gnus-dead-summary-mode-map)
4011 (substitute-key-definition
4012 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
4013 (let ((keys '("\C-d" "\r" "\177")))
4015 (define-key gnus-dead-summary-mode-map
4016 (pop keys) 'gnus-summary-wake-up-the-dead))))
4018 (defvar gnus-dead-summary-mode nil
4019 "Minor mode for Gnus summary buffers.")
4021 (defun gnus-dead-summary-mode (&optional arg)
4022 "Minor mode for Gnus summary buffers."
4024 (when (eq major-mode 'gnus-summary-mode)
4025 (make-local-variable 'gnus-dead-summary-mode)
4026 (setq gnus-dead-summary-mode
4027 (if (null arg) (not gnus-dead-summary-mode)
4028 (> (prefix-numeric-value arg) 0)))
4029 (when gnus-dead-summary-mode
4030 (unless (assq 'gnus-dead-summary-mode minor-mode-alist)
4031 (push '(gnus-dead-summary-mode " Dead") minor-mode-alist))
4032 (unless (assq 'gnus-dead-summary-mode minor-mode-map-alist)
4033 (push (cons 'gnus-dead-summary-mode gnus-dead-summary-mode-map)
4034 minor-mode-map-alist)))))
4036 (defun gnus-deaden-summary ()
4037 "Make the current summary buffer into a dead summary buffer."
4038 ;; Kill any previous dead summary buffer.
4039 (when (and gnus-dead-summary
4040 (buffer-name gnus-dead-summary))
4042 (set-buffer gnus-dead-summary)
4043 (when gnus-dead-summary-mode
4044 (kill-buffer (current-buffer)))))
4045 ;; Make this the current dead summary.
4046 (setq gnus-dead-summary (current-buffer))
4047 (gnus-dead-summary-mode 1)
4048 (let ((name (buffer-name)))
4049 (when (string-match "Summary" name)
4051 (concat (substring name 0 (match-beginning 0)) "Dead "
4052 (substring name (match-beginning 0))) t))))
4054 (defun gnus-kill-or-deaden-summary (buffer)
4055 "Kill or deaden the summary BUFFER."
4056 (when (and (buffer-name buffer)
4057 (not gnus-single-article-buffer))
4060 (gnus-kill-buffer gnus-article-buffer)
4061 (gnus-kill-buffer gnus-original-article-buffer)))
4062 (cond (gnus-kill-summary-on-exit
4063 (when (and gnus-use-trees
4064 (and (get-buffer buffer)
4065 (buffer-name (get-buffer buffer))))
4067 (set-buffer (get-buffer buffer))
4068 (gnus-tree-close gnus-newsgroup-name)))
4069 (gnus-kill-buffer buffer))
4070 ((and (get-buffer buffer)
4071 (buffer-name (get-buffer buffer)))
4074 (gnus-deaden-summary)))))
4076 (defun gnus-summary-wake-up-the-dead (&rest args)
4077 "Wake up the dead summary buffer."
4079 (gnus-dead-summary-mode -1)
4080 (let ((name (buffer-name)))
4081 (when (string-match "Dead " name)
4083 (concat (substring name 0 (match-beginning 0))
4084 (substring name (match-end 0))) t)))
4085 (gnus-message 3 "This dead summary is now alive again"))
4087 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
4088 (defun gnus-summary-fetch-faq (&optional faq-dir)
4089 "Fetch the FAQ for the current group.
4090 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
4094 (if current-prefix-arg
4096 "Faq dir: " (and (listp gnus-group-faq-directory)
4097 gnus-group-faq-directory)))))
4098 (let (gnus-faq-buffer)
4099 (and (setq gnus-faq-buffer
4100 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
4101 (gnus-configure-windows 'summary-faq))))
4103 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
4104 (defun gnus-summary-describe-group (&optional force)
4105 "Describe the current newsgroup."
4107 (gnus-group-describe-group force gnus-newsgroup-name))
4109 (defun gnus-summary-describe-briefly ()
4110 "Describe summary mode commands briefly."
4113 (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")))
4115 ;; Walking around group mode buffer from summary mode.
4117 (defun gnus-summary-next-group (&optional no-article target-group backward)
4118 "Exit current newsgroup and then select next unread newsgroup.
4119 If prefix argument NO-ARTICLE is non-nil, no article is selected
4120 initially. If NEXT-GROUP, go to this group. If BACKWARD, go to
4121 previous group instead."
4123 (gnus-set-global-variables)
4124 (let ((current-group gnus-newsgroup-name)
4125 (current-buffer (current-buffer))
4127 ;; First we semi-exit this group to update Xrefs and all variables.
4128 ;; We can't do a real exit, because the window conf must remain
4129 ;; the same in case the user is prompted for info, and we don't
4130 ;; want the window conf to change before that...
4131 (gnus-summary-exit t)
4132 (while (not entered)
4133 ;; Then we find what group we are supposed to enter.
4134 (set-buffer gnus-group-buffer)
4135 (gnus-group-jump-to-group current-group)
4138 (if (eq gnus-keep-same-level 'best)
4139 (gnus-summary-best-group gnus-newsgroup-name)
4140 (gnus-summary-search-group backward gnus-keep-same-level))))
4141 (if (not target-group)
4142 ;; There are no further groups, so we return to the group
4145 (gnus-message 5 "Returning to the group buffer")
4147 (set-buffer current-buffer)
4148 (gnus-summary-exit))
4149 ;; We try to enter the target group.
4150 (gnus-group-jump-to-group target-group)
4151 (let ((unreads (gnus-group-group-unread)))
4152 (if (and (or (eq t unreads)
4153 (and unreads (not (zerop unreads))))
4154 (gnus-summary-read-group
4155 target-group nil no-article current-buffer))
4157 (setq current-group target-group
4158 target-group nil)))))))
4160 (defun gnus-summary-prev-group (&optional no-article)
4161 "Exit current newsgroup and then select previous unread newsgroup.
4162 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
4164 (gnus-summary-next-group no-article nil t))
4166 ;; Walking around summary lines.
4168 (defun gnus-summary-first-subject (&optional unread)
4169 "Go to the first unread subject.
4170 If UNREAD is non-nil, go to the first unread article.
4171 Returns the article selected or nil if there are no unread articles."
4176 ((null gnus-newsgroup-data)
4177 (gnus-message 3 "No articles in the group")
4179 ;; Pick the first article.
4181 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
4182 (gnus-data-number (car gnus-newsgroup-data)))
4183 ;; No unread articles.
4184 ((null gnus-newsgroup-unreads)
4185 (gnus-message 3 "No more unread articles")
4187 ;; Find the first unread article.
4189 (let ((data gnus-newsgroup-data))
4191 (not (gnus-data-unread-p (car data))))
4192 (setq data (cdr data)))
4195 (goto-char (gnus-data-pos (car data)))
4196 (gnus-data-number (car data)))))))
4197 (gnus-summary-position-point)))
4199 (defun gnus-summary-next-subject (n &optional unread dont-display)
4200 "Go to next N'th summary line.
4201 If N is negative, go to the previous N'th subject line.
4202 If UNREAD is non-nil, only unread articles are selected.
4203 The difference between N and the actual number of steps taken is
4206 (let ((backward (< n 0))
4210 (gnus-summary-find-prev unread)
4211 (gnus-summary-find-next unread)))
4213 (if (/= 0 n) (gnus-message 7 "No more%s articles"
4214 (if unread " unread" "")))
4215 (unless dont-display
4216 (gnus-summary-recenter)
4217 (gnus-summary-position-point))
4220 (defun gnus-summary-next-unread-subject (n)
4221 "Go to next N'th unread summary line."
4223 (gnus-summary-next-subject n t))
4225 (defun gnus-summary-prev-subject (n &optional unread)
4226 "Go to previous N'th summary line.
4227 If optional argument UNREAD is non-nil, only unread article is selected."
4229 (gnus-summary-next-subject (- n) unread))
4231 (defun gnus-summary-prev-unread-subject (n)
4232 "Go to previous N'th unread summary line."
4234 (gnus-summary-next-subject (- n) t))
4236 (defun gnus-summary-goto-subject (article &optional force silent)
4237 "Go the subject line of ARTICLE.
4238 If FORCE, also allow jumping to articles not currently shown."
4240 (data (gnus-data-find article)))
4241 ;; We read in the article if we have to.
4244 (gnus-summary-insert-subject article (and (vectorp force) force) t)
4245 (setq data (gnus-data-find article)))
4250 (gnus-message 3 "Can't find article %d" article))
4252 (goto-char (gnus-data-pos data))
4255 ;; Walking around summary lines with displaying articles.
4257 (defun gnus-summary-expand-window (&optional arg)
4258 "Make the summary buffer take up the entire Emacs frame.
4259 Given a prefix, will force an `article' buffer configuration."
4261 (gnus-set-global-variables)
4263 (gnus-configure-windows 'article 'force)
4264 (gnus-configure-windows 'summary 'force)))
4266 (defun gnus-summary-display-article (article &optional all-header)
4267 "Display ARTICLE in article buffer."
4268 (gnus-set-global-variables)
4272 (if gnus-summary-display-article-function
4273 (funcall gnus-summary-display-article-function article all-header)
4274 (gnus-article-prepare article all-header))
4275 (run-hooks 'gnus-select-article-hook)
4276 (unless (zerop gnus-current-article)
4277 (gnus-summary-goto-subject gnus-current-article))
4278 (gnus-summary-recenter)
4279 (when gnus-use-trees
4280 (gnus-possibly-generate-tree article)
4281 (gnus-highlight-selected-tree article))
4282 ;; Successfully display article.
4283 (gnus-article-set-window-start
4284 (cdr (assq article gnus-newsgroup-bookmarks))))))
4286 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
4287 "Select the current article.
4288 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
4289 non-nil, the article will be re-fetched even if it already present in
4290 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
4292 ;; Make sure we are in the summary buffer to work around bbdb bug.
4293 (unless (eq major-mode 'gnus-summary-mode)
4294 (set-buffer gnus-summary-buffer))
4295 (let ((article (or article (gnus-summary-article-number)))
4296 (all-headers (not (not all-headers))) ;Must be T or NIL.
4297 gnus-summary-display-article-function
4300 (gnus-summary-article-pseudo-p article)
4301 (error "This is a pseudo-article."))
4304 (set-buffer gnus-summary-buffer)
4305 (if (or (and gnus-single-article-buffer
4306 (or (null gnus-current-article)
4307 (null gnus-article-current)
4308 (null (get-buffer gnus-article-buffer))
4309 (not (eq article (cdr gnus-article-current)))
4310 (not (equal (car gnus-article-current)
4311 gnus-newsgroup-name))))
4312 (and (not gnus-single-article-buffer)
4313 (or (null gnus-current-article)
4314 (not (eq gnus-current-article article))))
4316 ;; The requested article is different from the current article.
4318 (gnus-summary-display-article article all-headers)
4320 (if (or all-headers gnus-show-all-headers)
4321 (gnus-article-show-all-headers))
4324 (gnus-article-set-window-start
4325 (cdr (assq article gnus-newsgroup-bookmarks)))))))
4327 (defun gnus-summary-set-current-mark (&optional current-mark)
4328 "Obsolete function."
4331 (defun gnus-summary-next-article (&optional unread subject backward push)
4332 "Select the next article.
4333 If UNREAD, only unread articles are selected.
4334 If SUBJECT, only articles with SUBJECT are selected.
4335 If BACKWARD, the previous article is selected instead of the next."
4337 (gnus-set-global-variables)
4339 ;; Is there such an article?
4340 ((and (gnus-summary-search-forward unread subject backward)
4341 (or (gnus-summary-display-article (gnus-summary-article-number))
4342 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
4343 (gnus-summary-position-point))
4344 ;; If not, we try the first unread, if that is wanted.
4346 gnus-auto-select-same
4347 (gnus-summary-first-unread-article))
4348 (gnus-summary-position-point)
4349 (gnus-message 6 "Wrapped"))
4350 ;; Try to get next/previous article not displayed in this group.
4351 ((and gnus-auto-extend-newsgroup
4352 (not unread) (not subject))
4353 (gnus-summary-goto-article
4354 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
4356 ;; Go to next/previous group.
4358 (or (gnus-ephemeral-group-p gnus-newsgroup-name)
4359 (gnus-summary-jump-to-group gnus-newsgroup-name))
4360 (let ((cmd last-command-char)
4362 (if (eq gnus-keep-same-level 'best)
4363 (gnus-summary-best-group gnus-newsgroup-name)
4364 (gnus-summary-search-group backward gnus-keep-same-level))))
4365 ;; For some reason, the group window gets selected. We change
4367 (select-window (get-buffer-window (current-buffer)))
4368 ;; Select next unread newsgroup automagically.
4370 ((or (not gnus-auto-select-next)
4372 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
4373 ((or (eq gnus-auto-select-next 'quietly)
4374 (and (eq gnus-auto-select-next 'slightly-quietly)
4376 (and (eq gnus-auto-select-next 'almost-quietly)
4377 (gnus-summary-last-article-p)))
4379 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
4381 (gnus-message 7 "No more%s articles (%s)..."
4382 (if unread " unread" "")
4383 (if group (concat "selecting " group)
4385 (gnus-summary-next-group nil group backward)))
4387 (gnus-summary-walk-group-buffer
4388 gnus-newsgroup-name cmd unread backward)))))))
4390 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward)
4391 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
4392 (?\C-p (gnus-group-prev-unread-group 1))))
4393 keve key group ended)
4395 (set-buffer gnus-group-buffer)
4396 (gnus-summary-jump-to-group from-group)
4398 (if (eq gnus-keep-same-level 'best)
4399 (gnus-summary-best-group gnus-newsgroup-name)
4400 (gnus-summary-search-group backward gnus-keep-same-level))))
4403 5 "No more%s articles%s" (if unread " unread" "")
4405 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
4406 (format " (Type %s for %s [%s])"
4407 (single-key-description cmd) group
4408 (car (gnus-gethash group gnus-newsrc-hashtb)))
4409 (format " (Type %s to exit %s)"
4410 (single-key-description cmd)
4411 gnus-newsgroup-name)))
4412 ;; Confirm auto selection.
4413 (setq key (car (setq keve (gnus-read-event-char))))
4416 ((assq key keystrokes)
4417 (let ((obuf (current-buffer)))
4418 (switch-to-buffer gnus-group-buffer)
4420 (gnus-group-jump-to-group group))
4421 (eval (cadr (assq key keystrokes)))
4422 (setq group (gnus-group-group-name))
4423 (switch-to-buffer obuf))
4427 (gnus-ephemeral-group-p gnus-newsgroup-name))
4429 (gnus-summary-next-group nil group backward)))
4431 (push (cdr keve) unread-command-events))))))
4433 (defun gnus-summary-next-unread-article ()
4434 "Select unread article after current one."
4436 (gnus-summary-next-article t (and gnus-auto-select-same
4437 (gnus-summary-article-subject))))
4439 (defun gnus-summary-prev-article (&optional unread subject)
4440 "Select the article after the current one.
4441 If UNREAD is non-nil, only unread articles are selected."
4443 (gnus-summary-next-article unread subject t))
4445 (defun gnus-summary-prev-unread-article ()
4446 "Select unred article before current one."
4448 (gnus-summary-prev-article t (and gnus-auto-select-same
4449 (gnus-summary-article-subject))))
4451 (defun gnus-summary-next-page (&optional lines circular)
4452 "Show next page of the selected article.
4453 If at the end of the current article, select the next article.
4454 LINES says how many lines should be scrolled up.
4456 If CIRCULAR is non-nil, go to the start of the article instead of
4457 selecting the next article when reaching the end of the current
4460 (setq gnus-summary-buffer (current-buffer))
4461 (gnus-set-global-variables)
4462 (let ((article (gnus-summary-article-number))
4464 (gnus-configure-windows 'article)
4465 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
4466 (if (and (eq gnus-summary-goto-unread 'never)
4467 (not (gnus-summary-last-article-p article)))
4468 (gnus-summary-next-article)
4469 (gnus-summary-next-unread-article))
4470 (if (or (null gnus-current-article)
4471 (null gnus-article-current)
4472 (/= article (cdr gnus-article-current))
4473 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
4474 ;; Selected subject is different from current article's.
4475 (gnus-summary-display-article article)
4476 (gnus-eval-in-buffer-window gnus-article-buffer
4477 (setq endp (gnus-article-next-page lines)))
4480 (gnus-summary-beginning-of-article))
4482 (gnus-message 3 "End of message"))
4484 (if (and (eq gnus-summary-goto-unread 'never)
4485 (not (gnus-summary-last-article-p article)))
4486 (gnus-summary-next-article)
4487 (gnus-summary-next-unread-article)))))))
4488 (gnus-summary-recenter)
4489 (gnus-summary-position-point)))
4491 (defun gnus-summary-prev-page (&optional lines)
4492 "Show previous page of selected article.
4493 Argument LINES specifies lines to be scrolled down."
4495 (gnus-set-global-variables)
4496 (let ((article (gnus-summary-article-number)))
4497 (gnus-configure-windows 'article)
4498 (if (or (null gnus-current-article)
4499 (null gnus-article-current)
4500 (/= article (cdr gnus-article-current))
4501 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
4502 ;; Selected subject is different from current article's.
4503 (gnus-summary-display-article article)
4504 (gnus-summary-recenter)
4505 (gnus-eval-in-buffer-window gnus-article-buffer
4506 (gnus-article-prev-page lines))))
4507 (gnus-summary-position-point))
4509 (defun gnus-summary-scroll-up (lines)
4510 "Scroll up (or down) one line current article.
4511 Argument LINES specifies lines to be scrolled up (or down if negative)."
4513 (gnus-set-global-variables)
4514 (gnus-configure-windows 'article)
4515 (gnus-summary-show-thread)
4516 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
4517 (gnus-eval-in-buffer-window gnus-article-buffer
4519 (if (gnus-article-next-page lines)
4520 (gnus-message 3 "End of message")))
4522 (gnus-article-prev-page (- lines))))))
4523 (gnus-summary-recenter)
4524 (gnus-summary-position-point))
4526 (defun gnus-summary-next-same-subject ()
4527 "Select next article which has the same subject as current one."
4529 (gnus-set-global-variables)
4530 (gnus-summary-next-article nil (gnus-summary-article-subject)))
4532 (defun gnus-summary-prev-same-subject ()
4533 "Select previous article which has the same subject as current one."
4535 (gnus-set-global-variables)
4536 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
4538 (defun gnus-summary-next-unread-same-subject ()
4539 "Select next unread article which has the same subject as current one."
4541 (gnus-set-global-variables)
4542 (gnus-summary-next-article t (gnus-summary-article-subject)))
4544 (defun gnus-summary-prev-unread-same-subject ()
4545 "Select previous unread article which has the same subject as current one."
4547 (gnus-set-global-variables)
4548 (gnus-summary-prev-article t (gnus-summary-article-subject)))
4550 (defun gnus-summary-first-unread-article ()
4551 "Select the first unread article.
4552 Return nil if there are no unread articles."
4554 (gnus-set-global-variables)
4556 (if (gnus-summary-first-subject t)
4558 (gnus-summary-show-thread)
4559 (gnus-summary-first-subject t)
4560 (gnus-summary-display-article (gnus-summary-article-number))))
4561 (gnus-summary-position-point)))
4563 (defun gnus-summary-best-unread-article ()
4564 "Select the unread article with the highest score."
4566 (gnus-set-global-variables)
4567 (let ((best -1000000)
4568 (data gnus-newsgroup-data)
4571 (and (gnus-data-unread-p (car data))
4573 (gnus-summary-article-score (gnus-data-number (car data))))
4576 article (gnus-data-number (car data))))
4577 (setq data (cdr data)))
4580 (gnus-summary-goto-article article)
4581 (error "No unread articles"))
4582 (gnus-summary-position-point))))
4584 (defun gnus-summary-last-subject ()
4585 "Go to the last displayed subject line in the group."
4586 (let ((article (gnus-data-number (car (gnus-data-list t)))))
4588 (gnus-summary-goto-subject article))))
4590 (defun gnus-summary-goto-article (article &optional all-headers force)
4591 "Fetch ARTICLE and display it if it exists.
4592 If ALL-HEADERS is non-nil, no header lines are hidden."
4598 (mapcar (lambda (number) (list (int-to-string number)))
4599 gnus-newsgroup-limit)))
4603 (if (gnus-summary-goto-subject article force)
4604 (gnus-summary-display-article article all-headers)
4605 (gnus-message 4 "Couldn't go to article %s" article) nil)
4606 (gnus-summary-position-point)))
4608 (defun gnus-summary-goto-last-article ()
4609 "Go to the previously read article."
4612 (and gnus-last-article
4613 (gnus-summary-goto-article gnus-last-article))
4614 (gnus-summary-position-point)))
4616 (defun gnus-summary-pop-article (number)
4617 "Pop one article off the history and go to the previous.
4618 NUMBER articles will be popped off."
4621 (setq gnus-newsgroup-history
4622 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
4624 (gnus-summary-goto-article (car to))
4625 (error "Article history empty")))
4626 (gnus-summary-position-point))
4628 ;; Summary commands and functions for limiting the summary buffer.
4630 (defun gnus-summary-limit-to-articles (n)
4631 "Limit the summary buffer to the next N articles.
4632 If not given a prefix, use the process marked articles instead."
4634 (gnus-set-global-variables)
4636 (let ((articles (gnus-summary-work-articles n)))
4637 (setq gnus-newsgroup-processable nil)
4638 (gnus-summary-limit articles))
4639 (gnus-summary-position-point)))
4641 (defun gnus-summary-pop-limit (&optional total)
4642 "Restore the previous limit.
4643 If given a prefix, remove all limits."
4645 (gnus-set-global-variables)
4647 (setq gnus-newsgroup-limits
4648 (list (mapcar (lambda (h) (mail-header-number h))
4649 gnus-newsgroup-headers))))
4650 (unless gnus-newsgroup-limits
4651 (error "No limit to pop"))
4653 (gnus-summary-limit nil 'pop)
4654 (gnus-summary-position-point)))
4656 (defun gnus-summary-limit-to-subject (subject &optional header)
4657 "Limit the summary buffer to articles that have subjects that match a regexp."
4658 (interactive "sRegexp: ")
4660 (setq header "subject"))
4661 (when (not (equal "" subject))
4663 (let ((articles (gnus-summary-find-matching
4664 (or header "subject") subject 'all)))
4665 (or articles (error "Found no matches for \"%s\"" subject))
4666 (gnus-summary-limit articles))
4667 (gnus-summary-position-point))))
4669 (defun gnus-summary-limit-to-author (from)
4670 "Limit the summary buffer to articles that have authors that match a regexp."
4671 (interactive "sRegexp: ")
4672 (gnus-summary-limit-to-subject from "from"))
4674 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
4676 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
4678 (defun gnus-summary-limit-to-unread (&optional all)
4679 "Limit the summary buffer to articles that are not marked as read.
4680 If ALL is non-nil, limit strictly to unread articles."
4683 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
4684 (gnus-summary-limit-to-marks
4685 ;; Concat all the marks that say that an article is read and have
4687 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
4688 gnus-killed-mark gnus-kill-file-mark
4689 gnus-low-score-mark gnus-expirable-mark
4690 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark)
4693 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-to-marks)
4694 (make-obsolete 'gnus-summary-delete-marked-with 'gnus-summary-limit-to-marks)
4696 (defun gnus-summary-limit-to-marks (marks &optional reverse)
4697 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
4698 If REVERSE, limit the summary buffer to articles that are not marked
4699 with MARKS. MARKS can either be a string of marks or a list of marks.
4700 Returns how many articles were removed."
4701 (interactive "sMarks: ")
4702 (gnus-set-global-variables)
4704 (let ((data gnus-newsgroup-data)
4705 (marks (if (listp marks) marks
4706 (append marks nil))) ; Transform to list.
4709 (and (if reverse (not (memq (gnus-data-mark (car data)) marks))
4710 (memq (gnus-data-mark (car data)) marks))
4711 (setq articles (cons (gnus-data-number (car data)) articles)))
4712 (setq data (cdr data)))
4713 (gnus-summary-limit articles))
4714 (gnus-summary-position-point)))
4716 (defun gnus-summary-limit-to-score (&optional score)
4717 "Limit to articles with score at or above SCORE."
4719 (gnus-set-global-variables)
4720 (setq score (if score
4721 (prefix-numeric-value score)
4722 (or gnus-summary-default-score 0)))
4723 (let ((data gnus-newsgroup-data)
4726 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
4728 (push (gnus-data-number (car data)) articles))
4729 (setq data (cdr data)))
4731 (gnus-summary-limit articles)
4732 (gnus-summary-position-point))))
4734 (defun gnus-summary-limit-include-dormant ()
4735 "Display all the hidden articles that are marked as dormant."
4737 (gnus-set-global-variables)
4738 (or gnus-newsgroup-dormant
4739 (error "There are no dormant articles in this group"))
4741 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
4742 (gnus-summary-position-point)))
4744 (defun gnus-summary-limit-exclude-dormant ()
4745 "Hide all dormant articles."
4747 (gnus-set-global-variables)
4749 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
4750 (gnus-summary-position-point)))
4752 (defun gnus-summary-limit-exclude-childless-dormant ()
4753 "Hide all dormant articles that have no children."
4755 (gnus-set-global-variables)
4756 (let ((data (gnus-data-list t))
4757 articles d children)
4758 ;; Find all articles that are either not dormant or have
4760 (while (setq d (pop data))
4761 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
4763 (gnus-article-children (gnus-data-number d)))
4766 (when (memq (car children) articles)
4771 (push (gnus-data-number d) articles)))
4774 (gnus-summary-limit articles)
4775 (gnus-summary-position-point))))
4777 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
4778 "Mark all unread excluded articles as read.
4779 If ALL, mark even excluded ticked and dormants as read."
4781 (let ((articles (gnus-sorted-complement
4783 (mapcar (lambda (h) (mail-header-number h))
4784 gnus-newsgroup-headers)
4786 (sort gnus-newsgroup-limit '<)))
4788 (setq gnus-newsgroup-unreads nil)
4790 (setq gnus-newsgroup-dormant nil
4791 gnus-newsgroup-marked nil
4792 gnus-newsgroup-reads
4794 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
4795 gnus-newsgroup-reads))
4796 (while (setq article (pop articles))
4797 (unless (or (memq article gnus-newsgroup-dormant)
4798 (memq article gnus-newsgroup-marked))
4799 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
4801 (defun gnus-summary-limit (articles &optional pop)
4803 ;; We pop the previous limit off the stack and use that.
4804 (setq articles (car gnus-newsgroup-limits)
4805 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
4806 ;; We use the new limit, so we push the old limit on the stack.
4807 (setq gnus-newsgroup-limits
4808 (cons gnus-newsgroup-limit gnus-newsgroup-limits)))
4810 (setq gnus-newsgroup-limit articles)
4811 (let ((total (length gnus-newsgroup-data))
4812 (data (gnus-data-find-list (gnus-summary-article-number)))
4813 (gnus-summary-mark-below nil) ; Inhibit this.
4815 ;; This will do all the work of generating the new summary buffer
4816 ;; according to the new limit.
4817 (gnus-summary-prepare)
4818 ;; Hide any threads, possibly.
4819 (and gnus-show-threads
4820 gnus-thread-hide-subtree
4821 (gnus-summary-hide-all-threads))
4822 ;; Try to return to the article you were at, or one in the
4825 ;; We try to find some article after the current one.
4827 (and (gnus-summary-goto-subject
4828 (gnus-data-number (car data)) nil t)
4831 (setq data (cdr data))))
4833 ;; If there is no data, that means that we were after the last
4834 ;; article. The same goes when we can't find any articles
4835 ;; after the current one.
4837 (goto-char (point-max))
4838 (gnus-summary-find-prev)))
4839 ;; We return how many articles were removed from the summary
4840 ;; buffer as a result of the new limit.
4841 (- total (length gnus-newsgroup-data))))
4843 (defsubst gnus-invisible-cut-children (threads)
4846 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
4851 (defsubst gnus-cut-thread (thread)
4852 "Go forwards in the thread until we find an article that we want to display."
4853 (when (or (eq gnus-fetch-old-headers 'some)
4854 (eq gnus-build-sparse-threads 'some)
4855 (eq gnus-build-sparse-threads 'more))
4856 ;; Deal with old-fetched headers and sparse threads.
4860 (memq (mail-header-number (car thread)) gnus-newsgroup-sparse)
4861 (memq (mail-header-number (car thread)) gnus-newsgroup-ancient))
4862 (or (<= (length (cdr thread)) 1)
4863 (gnus-invisible-cut-children (cdr thread))))
4864 (setq thread (cadr thread))))
4867 (defun gnus-cut-threads (threads)
4868 "Cut off all uninteresting articles from the beginning of threads."
4869 (when (or (eq gnus-fetch-old-headers 'some)
4870 (eq gnus-build-sparse-threads 'some)
4871 (eq gnus-build-sparse-threads 'more))
4874 (setcar th (gnus-cut-thread (car th)))
4875 (setq th (cdr th)))))
4876 ;; Remove nixed out threads.
4879 (defun gnus-summary-initial-limit (&optional show-if-empty)
4880 "Figure out what the initial limit is supposed to be on group entry.
4881 This entails weeding out unwanted dormants, low-scored articles,
4882 fetch-old-headers verbiage, and so on."
4883 ;; Most groups have nothing to remove.
4884 (if (or gnus-inhibit-limiting
4885 (and (null gnus-newsgroup-dormant)
4886 (not (eq gnus-fetch-old-headers 'some))
4887 (null gnus-summary-expunge-below)
4888 (not (eq gnus-build-sparse-threads 'some))
4889 (not (eq gnus-build-sparse-threads 'more))
4890 (null gnus-thread-expunge-below)
4891 (not gnus-use-nocem)))
4893 (push gnus-newsgroup-limit gnus-newsgroup-limits)
4894 (setq gnus-newsgroup-limit nil)
4897 (unless (car (symbol-value node))
4898 ;; These threads have no parents -- they are roots.
4899 (let ((nodes (cdr (symbol-value node)))
4902 (if (and gnus-thread-expunge-below
4903 (< (gnus-thread-total-score (car nodes))
4904 gnus-thread-expunge-below))
4905 (gnus-expunge-thread (pop nodes))
4906 (setq thread (pop nodes))
4907 (gnus-summary-limit-children thread))))))
4908 gnus-newsgroup-dependencies)
4909 ;; If this limitation resulted in an empty group, we might
4910 ;; pop the previous limit and use it instead.
4911 (when (and (not gnus-newsgroup-limit)
4913 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
4914 gnus-newsgroup-limit))
4916 (defun gnus-summary-limit-children (thread)
4917 "Return 1 if this subthread is visible and 0 if it is not."
4918 ;; First we get the number of visible children to this thread. This
4919 ;; is done by recursing down the thread using this function, so this
4920 ;; will really go down to a leaf article first, before slowly
4921 ;; working its way up towards the root.
4925 (apply '+ (mapcar 'gnus-summary-limit-children
4928 (number (mail-header-number (car thread)))
4931 ;; If this article is dormant and has absolutely no visible
4932 ;; children, then this article isn't visible.
4933 (and (memq number gnus-newsgroup-dormant)
4935 ;; If this is "fetch-old-headered" and there is only one
4936 ;; visible child (or less), then we don't want this article.
4937 (and (eq gnus-fetch-old-headers 'some)
4938 (memq number gnus-newsgroup-ancient)
4940 ;; If this is a sparsely inserted article with no children,
4941 ;; we don't want it.
4942 (and (eq gnus-build-sparse-threads 'some)
4943 (memq number gnus-newsgroup-sparse)
4945 ;; If we use expunging, and this article is really
4946 ;; low-scored, then we don't want this article.
4947 (when (and gnus-summary-expunge-below
4949 (or (cdr (assq number gnus-newsgroup-scored))
4950 gnus-summary-default-score))
4951 gnus-summary-expunge-below))
4952 ;; We increase the expunge-tally here, but that has
4953 ;; nothing to do with the limits, really.
4954 (incf gnus-newsgroup-expunged-tally)
4955 ;; We also mark as read here, if that's wanted.
4956 (when (and gnus-summary-mark-below
4957 (< score gnus-summary-mark-below))
4958 (setq gnus-newsgroup-unreads
4959 (delq number gnus-newsgroup-unreads))
4960 (if gnus-newsgroup-auto-expire
4961 (push number gnus-newsgroup-expirable)
4962 (push (cons number gnus-low-score-mark)
4963 gnus-newsgroup-reads)))
4966 (gnus-nocem-unwanted-article-p (mail-header-id (car thread)))))
4967 ;; Nope, invisible article.
4969 ;; Ok, this article is to be visible, so we add it to the limit
4971 (setq gnus-newsgroup-limit (cons number gnus-newsgroup-limit))
4974 (defun gnus-expunge-thread (thread)
4975 "Mark all articles in THREAD as read."
4976 (let* ((number (mail-header-number (car thread))))
4977 (incf gnus-newsgroup-expunged-tally)
4978 ;; We also mark as read here, if that's wanted.
4979 (setq gnus-newsgroup-unreads
4980 (delq number gnus-newsgroup-unreads))
4981 (if gnus-newsgroup-auto-expire
4982 (push number gnus-newsgroup-expirable)
4983 (push (cons number gnus-low-score-mark)
4984 gnus-newsgroup-reads)))
4985 ;; Go recursively through all subthreads.
4986 (mapcar 'gnus-expunge-thread (cdr thread)))
4988 ;; Summary article oriented commands
4990 (defun gnus-summary-refer-parent-article (n)
4991 "Refer parent article N times.
4992 The difference between N and the number of articles fetched is returned."
4994 (gnus-set-global-variables)
4998 (let* ((header (gnus-summary-article-header))
5000 ;; If we try to find the parent of the currently
5001 ;; displayed article, then we take a look at the actual
5002 ;; References header, since this is slightly more
5003 ;; reliable than the References field we got from the
5005 (if (and (eq (mail-header-number header)
5006 (cdr gnus-article-current))
5007 (equal gnus-newsgroup-name
5008 (car gnus-article-current)))
5010 (set-buffer gnus-original-article-buffer)
5011 (nnheader-narrow-to-headers)
5013 (message-fetch-field "references")
5015 ;; It's not the current article, so we take a bet on
5016 ;; the value we got from the server.
5017 (mail-header-references header))))
5018 (if (setq ref (or ref (mail-header-references header)))
5019 (or (gnus-summary-refer-article (gnus-parent-id ref))
5020 (gnus-message 1 "Couldn't find parent"))
5021 (gnus-message 1 "No references in article %d"
5022 (gnus-summary-article-number))
5025 (gnus-summary-position-point)
5028 (defun gnus-summary-refer-references ()
5029 "Fetch all articles mentioned in the References header.
5030 Return how many articles were fetched."
5032 (gnus-set-global-variables)
5033 (let ((ref (mail-header-references (gnus-summary-article-header)))
5034 (current (gnus-summary-article-number))
5036 ;; For each Message-ID in the References header...
5037 (while (string-match "<[^>]*>" ref)
5039 ;; ... fetch that article.
5040 (gnus-summary-refer-article
5041 (prog1 (match-string 0 ref)
5042 (setq ref (substring ref (match-end 0))))))
5043 (gnus-summary-goto-subject current)
5044 (gnus-summary-position-point)
5047 (defun gnus-summary-refer-article (message-id)
5048 "Fetch an article specified by MESSAGE-ID."
5049 (interactive "sMessage-ID: ")
5050 (when (and (stringp message-id)
5051 (not (zerop (length message-id))))
5052 ;; Construct the correct Message-ID if necessary.
5053 ;; Suggested by tale@pawl.rpi.edu.
5054 (unless (string-match "^<" message-id)
5055 (setq message-id (concat "<" message-id)))
5056 (unless (string-match ">$" message-id)
5057 (setq message-id (concat message-id ">")))
5058 (let* ((header (gnus-id-to-header message-id))
5060 (memq (mail-header-number header)
5061 gnus-newsgroup-sparse))))
5064 ;; The article is present in the buffer, to we just go to it.
5065 (gnus-summary-goto-article
5066 (mail-header-number header) nil header)
5068 (gnus-summary-update-article (mail-header-number header))))
5069 ;; We fetch the article
5070 (let ((gnus-override-method
5071 (and (gnus-news-group-p gnus-newsgroup-name)
5072 gnus-refer-article-method))
5074 ;; Start the special refer-article method, if necessary.
5075 (when (and gnus-refer-article-method
5076 (gnus-news-group-p gnus-newsgroup-name))
5077 (gnus-check-server gnus-refer-article-method))
5078 ;; Fetch the header, and display the article.
5079 (if (setq number (gnus-summary-insert-subject message-id))
5080 (gnus-summary-select-article nil nil nil number)
5081 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
5083 (defun gnus-summary-enter-digest-group (&optional force)
5084 "Enter a digest group based on the current article."
5086 (gnus-set-global-variables)
5087 (gnus-summary-select-article)
5088 (let ((name (format "%s-%d"
5089 (gnus-group-prefixed-name
5090 gnus-newsgroup-name (list 'nndoc ""))
5091 gnus-current-article))
5092 (ogroup gnus-newsgroup-name)
5093 (case-fold-search t)
5094 (buf (current-buffer))
5097 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
5098 (insert-buffer-substring gnus-original-article-buffer)
5100 (goto-char (point-min))
5101 (or (search-forward "\n\n" nil t) (point)))
5102 (goto-char (point-min))
5103 (delete-matching-lines "^\\(Path\\):\\|^From ")
5106 (if (gnus-group-read-ephemeral-group
5107 name `(nndoc ,name (nndoc-address
5109 (nndoc-article-type ,(if force 'digest 'guess))) t)
5110 ;; Make all postings to this group go to the parent group.
5111 (nconc (gnus-info-params (gnus-get-info name))
5112 (list (cons 'to-group ogroup)))
5113 ;; Couldn't select this doc group.
5114 (switch-to-buffer buf)
5115 (gnus-set-global-variables)
5116 (gnus-configure-windows 'summary)
5117 (gnus-message 3 "Article couldn't be entered?"))
5118 (kill-buffer dig))))
5120 (defun gnus-summary-isearch-article (&optional regexp-p)
5121 "Do incremental search forward on the current article.
5122 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
5124 (gnus-set-global-variables)
5125 (gnus-summary-select-article)
5126 (gnus-configure-windows 'article)
5127 (gnus-eval-in-buffer-window gnus-article-buffer
5128 ;;(goto-char (point-min))
5129 (isearch-forward regexp-p)))
5131 (defun gnus-summary-search-article-forward (regexp &optional backward)
5132 "Search for an article containing REGEXP forward.
5133 If BACKWARD, search backward instead."
5136 (format "Search article %s (regexp%s): "
5137 (if current-prefix-arg "backward" "forward")
5138 (if gnus-last-search-regexp
5139 (concat ", default " gnus-last-search-regexp)
5141 current-prefix-arg))
5142 (gnus-set-global-variables)
5143 (if (string-equal regexp "")
5144 (setq regexp (or gnus-last-search-regexp ""))
5145 (setq gnus-last-search-regexp regexp))
5146 (unless (gnus-summary-search-article regexp backward)
5147 (error "Search failed: \"%s\"" regexp)))
5149 (defun gnus-summary-search-article-backward (regexp)
5150 "Search for an article containing REGEXP backward."
5153 (format "Search article backward (regexp%s): "
5154 (if gnus-last-search-regexp
5155 (concat ", default " gnus-last-search-regexp)
5157 (gnus-summary-search-article-forward regexp 'backward))
5159 (defun gnus-summary-search-article (regexp &optional backward)
5160 "Search for an article containing REGEXP.
5161 Optional argument BACKWARD means do search for backward.
5162 `gnus-select-article-hook' is not called during the search."
5163 (let ((gnus-select-article-hook nil) ;Disable hook.
5164 (gnus-article-display-hook nil)
5165 (gnus-mark-article-hook nil) ;Inhibit marking as read.
5168 're-search-backward 're-search-forward))
5169 (sum (current-buffer))
5171 (gnus-save-hidden-threads
5172 (gnus-summary-select-article)
5173 (set-buffer gnus-article-buffer)
5177 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
5179 (re-search-backward regexp nil t)
5180 (re-search-forward regexp nil t))
5181 ;; We found the regexp.
5186 (get-buffer-window (current-buffer))
5190 ;; We didn't find it, so we go to the next article.
5192 (if (not (if backward (gnus-summary-find-prev)
5193 (gnus-summary-find-next)))
5194 ;; No more articles.
5196 ;; Select the next article and adjust point.
5197 (gnus-summary-select-article)
5198 (set-buffer gnus-article-buffer)
5200 (goto-char (if backward (point-max) (point-min))))))
5201 (gnus-message 7 ""))
5202 ;; Return whether we found the regexp.
5203 (when (eq found 'found)
5204 (gnus-summary-show-thread)
5205 (gnus-summary-goto-subject gnus-current-article)
5206 (gnus-summary-position-point)
5209 (defun gnus-summary-find-matching (header regexp &optional backward unread
5211 "Return a list of all articles that match REGEXP on HEADER.
5212 The search stars on the current article and goes forwards unless
5213 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
5214 If UNREAD is non-nil, only unread articles will
5215 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
5216 in the comparisons."
5217 (let ((data (if (eq backward 'all) gnus-newsgroup-data
5218 (gnus-data-find-list
5219 (gnus-summary-article-number) (gnus-data-list backward))))
5220 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
5221 (case-fold-search (not not-case-fold))
5223 (or (fboundp (intern (concat "mail-header-" header)))
5224 (error "%s is not a valid header" header))
5227 (and (or (not unread) ; We want all articles...
5228 (gnus-data-unread-p d)) ; Or just unreads.
5229 (vectorp (gnus-data-header d)) ; It's not a pseudo.
5230 (string-match regexp (funcall func (gnus-data-header d))) ; Match.
5231 (setq articles (cons (gnus-data-number d) articles))) ; Success!
5232 (setq data (cdr data)))
5233 (nreverse articles)))
5235 (defun gnus-summary-execute-command (header regexp command &optional backward)
5236 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
5237 If HEADER is an empty string (or nil), the match is done on the entire
5238 article. If BACKWARD (the prefix) is non-nil, search backward instead."
5240 (list (let ((completion-ignore-case t))
5243 (mapcar (lambda (string) (list string))
5244 '("Number" "Subject" "From" "Lines" "Date"
5245 "Message-ID" "Xref" "References" "Body"))
5246 nil 'require-match))
5247 (read-string "Regexp: ")
5248 (read-key-sequence "Command: ")
5249 current-prefix-arg))
5250 (when (equal header "Body")
5252 (gnus-set-global-variables)
5253 ;; Hidden thread subtrees must be searched as well.
5254 (gnus-summary-show-all-threads)
5255 ;; We don't want to change current point nor window configuration.
5257 (save-window-excursion
5258 (gnus-message 6 "Executing %s..." (key-description command))
5259 ;; We'd like to execute COMMAND interactively so as to give arguments.
5260 (gnus-execute header regexp
5261 `(lambda () (call-interactively ',(key-binding command)))
5263 (gnus-message 6 "Executing %s...done" (key-description command)))))
5265 (defun gnus-summary-beginning-of-article ()
5266 "Scroll the article back to the beginning."
5268 (gnus-set-global-variables)
5269 (gnus-summary-select-article)
5270 (gnus-configure-windows 'article)
5271 (gnus-eval-in-buffer-window gnus-article-buffer
5273 (goto-char (point-min))
5274 (and gnus-break-pages (gnus-narrow-to-page))))
5276 (defun gnus-summary-end-of-article ()
5277 "Scroll to the end of the article."
5279 (gnus-set-global-variables)
5280 (gnus-summary-select-article)
5281 (gnus-configure-windows 'article)
5282 (gnus-eval-in-buffer-window gnus-article-buffer
5284 (goto-char (point-max))
5286 (and gnus-break-pages (gnus-narrow-to-page))))
5288 (defun gnus-summary-show-article (&optional arg)
5289 "Force re-fetching of the current article.
5290 If ARG (the prefix) is non-nil, show the raw article without any
5291 article massaging functions being run."
5293 (gnus-set-global-variables)
5295 ;; Select the article the normal way.
5296 (gnus-summary-select-article nil 'force)
5297 ;; Bind the article treatment functions to nil.
5298 (let ((gnus-have-all-headers t)
5299 gnus-article-display-hook
5300 gnus-article-prepare-hook
5303 (gnus-summary-select-article nil 'force)))
5304 (gnus-summary-goto-subject gnus-current-article)
5305 ; (gnus-configure-windows 'article)
5306 (gnus-summary-position-point))
5308 (defun gnus-summary-verbose-headers (&optional arg)
5309 "Toggle permanent full header display.
5310 If ARG is a positive number, turn header display on.
5311 If ARG is a negative number, turn header display off."
5313 (gnus-set-global-variables)
5314 (gnus-summary-toggle-header arg)
5315 (setq gnus-show-all-headers
5316 (cond ((or (not (numberp arg))
5318 (not gnus-show-all-headers))
5322 (defun gnus-summary-toggle-header (&optional arg)
5323 "Show the headers if they are hidden, or hide them if they are shown.
5324 If ARG is a positive number, show the entire header.
5325 If ARG is a negative number, hide the unwanted header lines."
5327 (gnus-set-global-variables)
5329 (set-buffer gnus-article-buffer)
5330 (let* ((buffer-read-only nil)
5331 (inhibit-point-motion-hooks t)
5332 (hidden (text-property-any
5333 (goto-char (point-min)) (search-forward "\n\n")
5336 (goto-char (point-min))
5337 (when (search-forward "\n\n" nil t)
5338 (delete-region (point-min) (1- (point))))
5339 (goto-char (point-min))
5341 (set-buffer gnus-original-article-buffer)
5342 (goto-char (point-min))
5343 (setq e (1- (or (search-forward "\n\n" nil t) (point-max)))))
5344 (insert-buffer-substring gnus-original-article-buffer 1 e)
5345 (let ((article-inhibit-hiding t))
5346 (run-hooks 'gnus-article-display-hook))
5347 (if (or (not hidden) (and (numberp arg) (< arg 0)))
5348 (gnus-article-hide-headers)))))
5350 (defun gnus-summary-show-all-headers ()
5351 "Make all header lines visible."
5353 (gnus-set-global-variables)
5354 (gnus-article-show-all-headers))
5356 (defun gnus-summary-toggle-mime (&optional arg)
5357 "Toggle MIME processing.
5358 If ARG is a positive number, turn MIME processing on."
5360 (gnus-set-global-variables)
5361 (setq gnus-show-mime
5362 (if (null arg) (not gnus-show-mime)
5363 (> (prefix-numeric-value arg) 0)))
5364 (gnus-summary-select-article t 'force))
5366 (defun gnus-summary-caesar-message (&optional arg)
5367 "Caesar rotate the current article by 13.
5368 The numerical prefix specifies how manu places to rotate each letter
5371 (gnus-set-global-variables)
5372 (gnus-summary-select-article)
5373 (let ((mail-header-separator ""))
5374 (gnus-eval-in-buffer-window gnus-article-buffer
5377 (let ((start (window-start))
5379 (message-caesar-buffer-body arg)
5380 (set-window-start (get-buffer-window (current-buffer)) start))))))
5382 (defun gnus-summary-stop-page-breaking ()
5383 "Stop page breaking in the current article."
5385 (gnus-set-global-variables)
5386 (gnus-summary-select-article)
5387 (gnus-eval-in-buffer-window gnus-article-buffer
5390 (defun gnus-summary-move-article (&optional n to-newsgroup select-method action)
5391 "Move the current article to a different newsgroup.
5392 If N is a positive number, move the N next articles.
5393 If N is a negative number, move the N previous articles.
5394 If N is nil and any articles have been marked with the process mark,
5395 move those articles instead.
5396 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
5397 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
5398 re-spool using this method.
5400 For this function to work, both the current newsgroup and the
5401 newsgroup that you want to move to have to support the `request-move'
5402 and `request-accept' functions."
5404 (unless action (setq action 'move))
5405 (gnus-set-global-variables)
5406 ;; Check whether the source group supports the required functions.
5407 (cond ((and (eq action 'move)
5408 (not (gnus-check-backend-function
5409 'request-move-article gnus-newsgroup-name)))
5410 (error "The current group does not support article moving"))
5411 ((and (eq action 'crosspost)
5412 (not (gnus-check-backend-function
5413 'request-replace-article gnus-newsgroup-name)))
5414 (error "The current group does not support article editing")))
5415 (let ((articles (gnus-summary-work-articles n))
5416 (prefix (gnus-group-real-prefix gnus-newsgroup-name))
5417 (names '((move "Move" "Moving")
5418 (copy "Copy" "Copying")
5419 (crosspost "Crosspost" "Crossposting")))
5420 (copy-buf (save-excursion
5421 (nnheader-set-temp-buffer " *copy article*")))
5422 art-group to-method new-xref article to-groups)
5423 (unless (assq action names)
5424 (error "Unknown action %s" action))
5425 ;; Read the newsgroup name.
5426 (when (and (not to-newsgroup)
5427 (not select-method))
5429 (gnus-read-move-group-name
5430 (cadr (assq action names))
5431 (symbol-value (intern (format "gnus-current-%s-group" action)))
5433 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
5434 (setq to-method (or select-method
5435 (gnus-group-name-to-method to-newsgroup)))
5436 ;; Check the method we are to move this article to...
5437 (or (gnus-check-backend-function 'request-accept-article (car to-method))
5438 (error "%s does not support article copying" (car to-method)))
5439 (or (gnus-check-server to-method)
5440 (error "Can't open server %s" (car to-method)))
5441 (gnus-message 6 "%s to %s: %s..."
5442 (caddr (assq action names))
5443 (or (car select-method) to-newsgroup) articles)
5445 (setq article (pop articles))
5449 ;; Move the article.
5451 (gnus-request-move-article
5452 article ; Article to move
5453 gnus-newsgroup-name ; From newsgrouo
5454 (nth 1 (gnus-find-method-for-group
5455 gnus-newsgroup-name)) ; Server
5456 (list 'gnus-request-accept-article
5457 to-newsgroup (list 'quote select-method)
5458 (not articles)) ; Accept form
5459 (not articles))) ; Only save nov last time
5460 ;; Copy the article.
5463 (set-buffer copy-buf)
5464 (gnus-request-article-this-buffer article gnus-newsgroup-name)
5465 (gnus-request-accept-article
5466 to-newsgroup select-method (not articles))))
5467 ;; Crosspost the article.
5468 ((eq action 'crosspost)
5469 (let ((xref (mail-header-xref (gnus-summary-article-header article))))
5470 (setq new-xref (concat gnus-newsgroup-name ":" article))
5471 (if (and xref (not (string= xref "")))
5473 (when (string-match "^Xref: " xref)
5474 (setq xref (substring xref (match-end 0))))
5475 (setq new-xref (concat xref " " new-xref)))
5476 (setq new-xref (concat (system-name) " " new-xref)))
5478 (set-buffer copy-buf)
5479 (gnus-request-article-this-buffer article gnus-newsgroup-name)
5480 (nnheader-replace-header "xref" new-xref)
5481 (gnus-request-accept-article
5482 to-newsgroup select-method (not articles)))))))
5484 (gnus-message 1 "Couldn't %s article %s"
5485 (cadr (assq action names)) article)
5488 (gnus-gethash (car art-group) gnus-newsrc-hashtb)
5490 (gnus-group-prefixed-name
5493 (gnus-find-method-for-group to-newsgroup)))
5494 gnus-newsrc-hashtb)))
5495 (info (nth 2 entry))
5496 (to-group (gnus-info-group info)))
5497 ;; Update the group that has been moved to.
5499 (memq action '(move copy)))
5500 (unless (member to-group to-groups)
5501 (push to-group to-groups))
5503 (unless (memq article gnus-newsgroup-unreads)
5505 info (gnus-add-to-range (gnus-info-read info)
5506 (list (cdr art-group)))))
5508 ;; Copy any marks over to the new group.
5509 (let ((marks gnus-article-mark-lists)
5510 (to-article (cdr art-group)))
5512 ;; See whether the article is to be put in the cache.
5513 (when gnus-use-cache
5514 (gnus-cache-possibly-enter-article
5516 (let ((header (copy-sequence
5517 (gnus-summary-article-header article))))
5518 (mail-header-set-number header to-article)
5520 (memq article gnus-newsgroup-marked)
5521 (memq article gnus-newsgroup-dormant)
5522 (memq article gnus-newsgroup-unreads)))
5525 (when (memq article (symbol-value
5526 (intern (format "gnus-newsgroup-%s"
5528 ;; If the other group is the same as this group,
5529 ;; then we have to add the mark to the list.
5530 (when (equal to-group gnus-newsgroup-name)
5531 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
5534 (intern (format "gnus-newsgroup-%s"
5536 ;; Copy mark to other group.
5537 (gnus-add-marked-articles
5538 to-group (cdar marks) (list to-article) info))
5539 (setq marks (cdr marks)))))
5541 ;; Update the Xref header in this article to point to
5542 ;; the new crossposted article we have just created.
5543 (when (eq action 'crosspost)
5545 (set-buffer copy-buf)
5546 (gnus-request-article-this-buffer article gnus-newsgroup-name)
5547 (nnheader-replace-header
5548 "xref" (concat new-xref " " (gnus-group-prefixed-name
5549 (car art-group) to-method)
5550 ":" (cdr art-group)))
5551 (gnus-request-replace-article
5552 article gnus-newsgroup-name (current-buffer)))))
5554 (gnus-summary-goto-subject article)
5555 (when (eq action 'move)
5556 (gnus-summary-mark-article article gnus-canceled-mark)))
5557 (gnus-summary-remove-process-mark article))
5558 ;; Re-activate all groups that have been moved to.
5560 (gnus-activate-group (pop to-groups)))
5562 (gnus-kill-buffer copy-buf)
5563 (gnus-summary-position-point)
5564 (gnus-set-mode-line 'summary)))
5566 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
5567 "Move the current article to a different newsgroup.
5568 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
5569 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
5570 re-spool using this method."
5572 (gnus-summary-move-article n nil select-method 'copy))
5574 (defun gnus-summary-crosspost-article (&optional n)
5575 "Crosspost the current article to some other group."
5577 (gnus-summary-move-article n nil nil 'crosspost))
5579 (defvar gnus-summary-respool-default-method nil
5580 "Default method for respooling an article.
5581 If nil, use to the current newsgroup method.")
5583 (defun gnus-summary-respool-article (&optional n method)
5584 "Respool the current article.
5585 The article will be squeezed through the mail spooling process again,
5586 which means that it will be put in some mail newsgroup or other
5587 depending on `nnmail-split-methods'.
5588 If N is a positive number, respool the N next articles.
5589 If N is a negative number, respool the N previous articles.
5590 If N is nil and any articles have been marked with the process mark,
5591 respool those articles instead.
5593 Respooling can be done both from mail groups and \"real\" newsgroups.
5594 In the former case, the articles in question will be moved from the
5595 current group into whatever groups they are destined to. In the
5596 latter case, they will be copied into the relevant groups."
5598 (list current-prefix-arg
5599 (let* ((methods (gnus-methods-using 'respool))
5601 (symbol-name (or gnus-summary-respool-default-method
5602 (car (gnus-find-method-for-group
5603 gnus-newsgroup-name)))))
5605 (gnus-completing-read
5606 methname "What backend do you want to use when respooling?"
5607 methods nil t nil 'gnus-method-history))
5610 ((zerop (length (setq ms (gnus-servers-using-backend method))))
5611 (list (intern method) ""))
5615 (cdr (completing-read
5617 (mapcar (lambda (m) (cons (cadr m) m)) ms) nil t)))))))
5618 (gnus-set-global-variables)
5620 (error "No method given for respooling"))
5621 (if (assoc (symbol-name
5622 (car (gnus-find-method-for-group gnus-newsgroup-name)))
5623 (gnus-methods-using 'respool))
5624 (gnus-summary-move-article n nil method)
5625 (gnus-summary-copy-article n nil method)))
5627 (defun gnus-summary-import-article (file)
5628 "Import a random file into a mail newsgroup."
5629 (interactive "fImport file: ")
5630 (gnus-set-global-variables)
5631 (let ((group gnus-newsgroup-name)
5632 (now (current-time))
5634 (or (gnus-check-backend-function 'request-accept-article group)
5635 (error "%s does not support article importing" group))
5636 (or (file-readable-p file)
5637 (not (file-regular-p file))
5638 (error "Can't read %s" file))
5640 (set-buffer (get-buffer-create " *import file*"))
5641 (buffer-disable-undo (current-buffer))
5643 (insert-file-contents file)
5644 (goto-char (point-min))
5645 (unless (nnheader-article-p)
5646 ;; This doesn't look like an article, so we fudge some headers.
5647 (setq atts (file-attributes file)
5648 lines (count-lines (point-min) (point-max)))
5649 (insert "From: " (read-string "From: ") "\n"
5650 "Subject: " (read-string "Subject: ") "\n"
5651 "Date: " (timezone-make-date-arpa-standard
5652 (current-time-string (nth 5 atts))
5653 (current-time-zone now)
5654 (current-time-zone now)) "\n"
5655 "Message-ID: " (message-make-message-id) "\n"
5656 "Lines: " (int-to-string lines) "\n"
5657 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
5658 (gnus-request-accept-article group nil t)
5659 (kill-buffer (current-buffer)))))
5661 (defun gnus-summary-expire-articles (&optional now)
5662 "Expire all articles that are marked as expirable in the current group."
5664 (gnus-set-global-variables)
5665 (when (gnus-check-backend-function
5666 'request-expire-articles gnus-newsgroup-name)
5667 ;; This backend supports expiry.
5668 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
5669 (expirable (if total
5670 (gnus-list-of-read-articles gnus-newsgroup-name)
5671 (setq gnus-newsgroup-expirable
5672 (sort gnus-newsgroup-expirable '<))))
5673 (expiry-wait (if now 'immediate
5674 (gnus-group-get-parameter
5675 gnus-newsgroup-name 'expiry-wait)))
5678 ;; There are expirable articles in this group, so we run them
5679 ;; through the expiry process.
5680 (gnus-message 6 "Expiring articles...")
5681 ;; The list of articles that weren't expired is returned.
5683 (let ((nnmail-expiry-wait-function nil)
5684 (nnmail-expiry-wait expiry-wait))
5685 (setq es (gnus-request-expire-articles
5686 expirable gnus-newsgroup-name)))
5687 (setq es (gnus-request-expire-articles
5688 expirable gnus-newsgroup-name)))
5689 (or total (setq gnus-newsgroup-expirable es))
5690 ;; We go through the old list of expirable, and mark all
5691 ;; really expired articles as nonexistent.
5692 (unless (eq es expirable) ;If nothing was expired, we don't mark.
5693 (let ((gnus-use-cache nil))
5695 (unless (memq (car expirable) es)
5696 (when (gnus-data-find (car expirable))
5697 (gnus-summary-mark-article
5698 (car expirable) gnus-canceled-mark)))
5699 (setq expirable (cdr expirable)))))
5700 (gnus-message 6 "Expiring articles...done")))))
5702 (defun gnus-summary-expire-articles-now ()
5703 "Expunge all expirable articles in the current group.
5704 This means that *all* articles that are marked as expirable will be
5705 deleted forever, right now."
5707 (gnus-set-global-variables)
5708 (or gnus-expert-user
5710 "Are you really, really, really sure you want to delete all these messages? ")
5712 (gnus-summary-expire-articles t))
5714 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
5715 (defun gnus-summary-delete-article (&optional n)
5716 "Delete the N next (mail) articles.
5717 This command actually deletes articles. This is not a marking
5718 command. The article will disappear forever from your life, never to
5720 If N is negative, delete backwards.
5721 If N is nil and articles have been marked with the process mark,
5722 delete these instead."
5724 (gnus-set-global-variables)
5725 (or (gnus-check-backend-function 'request-expire-articles
5726 gnus-newsgroup-name)
5727 (error "The current newsgroup does not support article deletion."))
5728 ;; Compute the list of articles to delete.
5729 (let ((articles (gnus-summary-work-articles n))
5731 (if (and gnus-novice-user
5733 (format "Do you really want to delete %s forever? "
5734 (if (> (length articles) 1)
5735 (format "these %s articles" (length articles))
5738 ;; Delete the articles.
5739 (setq not-deleted (gnus-request-expire-articles
5740 articles gnus-newsgroup-name 'force))
5742 (gnus-summary-remove-process-mark (car articles))
5743 ;; The backend might not have been able to delete the article
5745 (or (memq (car articles) not-deleted)
5746 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
5747 (setq articles (cdr articles))))
5748 (gnus-summary-position-point)
5749 (gnus-set-mode-line 'summary)
5752 (defun gnus-summary-edit-article (&optional force)
5753 "Enter into a buffer and edit the current article.
5754 This will have permanent effect only in mail groups.
5755 If FORCE is non-nil, allow editing of articles even in read-only
5759 (set-buffer gnus-summary-buffer)
5760 (gnus-set-global-variables)
5761 (when (and (not force)
5762 (gnus-group-read-only-p))
5763 (error "The current newsgroup does not support article editing."))
5764 (gnus-summary-select-article t nil t)
5765 (gnus-configure-windows 'article)
5766 (select-window (get-buffer-window gnus-article-buffer))
5767 (gnus-message 6 "C-c C-c to end edits")
5768 (setq buffer-read-only nil)
5769 (gnus-article-edit-mode)
5770 (buffer-enable-undo)
5772 (goto-char (point-min))
5773 (search-forward "\n\n" nil t)))
5775 (defun gnus-summary-edit-article-done ()
5776 "Make edits to the current article permanent."
5778 (if (gnus-group-read-only-p)
5780 (let ((beep (not (eq major-mode 'text-mode))))
5781 (gnus-summary-edit-article-postpone)
5784 3 "The current newsgroup does not support article editing."))))
5785 (let ((buf (format "%s" (buffer-string))))
5788 (if (not (gnus-request-replace-article
5789 (cdr gnus-article-current) (car gnus-article-current)
5791 (error "Couldn't replace article.")
5793 (use-local-map gnus-article-mode-map)
5794 (setq buffer-read-only t)
5795 (buffer-disable-undo (current-buffer))
5796 (gnus-configure-windows 'summary)
5797 (gnus-summary-update-article (cdr gnus-article-current))
5798 (when gnus-use-cache
5799 (gnus-cache-update-article
5800 (car gnus-article-current) (cdr gnus-article-current)))
5801 (when gnus-keep-backlog
5802 (gnus-backlog-remove-article
5803 (car gnus-article-current) (cdr gnus-article-current))))
5805 (when (get-buffer gnus-original-article-buffer)
5806 (set-buffer gnus-original-article-buffer)
5807 (setq gnus-original-article nil)))
5808 (setq gnus-article-current nil
5809 gnus-current-article nil)
5810 (run-hooks 'gnus-article-display-hook)
5811 (and (gnus-visual-p 'summary-highlight 'highlight)
5812 (run-hooks 'gnus-visual-mark-article-hook)))))
5814 (defun gnus-summary-edit-article-postpone ()
5815 "Postpone changes to the current article."
5818 (use-local-map gnus-article-mode-map)
5819 (setq buffer-read-only t)
5820 (buffer-disable-undo (current-buffer))
5821 (gnus-configure-windows 'summary)
5822 (and (gnus-visual-p 'summary-highlight 'highlight)
5823 (run-hooks 'gnus-visual-mark-article-hook)))
5825 (defun gnus-summary-edit-wash (key)
5826 "Perform editing command in the article buffer."
5830 (message "%s" (concat (this-command-keys) "- "))
5833 (gnus-summary-edit-article)
5834 (execute-kbd-macro (concat (this-command-keys) key))
5835 (gnus-summary-edit-article-done))
5839 (defun gnus-summary-respool-query ()
5840 "Query where the respool algorithm would put this article."
5842 (gnus-set-global-variables)
5843 (gnus-summary-select-article)
5845 (set-buffer gnus-article-buffer)
5847 (goto-char (point-min))
5848 (search-forward "\n\n")
5849 (narrow-to-region (point-min) (point))
5851 (list 'quote (mapcar 'car (nnmail-article-group 'identity)))))))
5853 ;; Summary marking commands.
5855 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
5856 "Mark articles which has the same subject as read, and then select the next.
5857 If UNMARK is positive, remove any kind of mark.
5858 If UNMARK is negative, tick articles."
5860 (gnus-set-global-variables)
5862 (setq unmark (prefix-numeric-value unmark)))
5864 (gnus-summary-mark-same-subject
5865 (gnus-summary-article-subject) unmark)))
5866 ;; Select next unread article. If auto-select-same mode, should
5867 ;; select the first unread article.
5868 (gnus-summary-next-article t (and gnus-auto-select-same
5869 (gnus-summary-article-subject)))
5870 (gnus-message 7 "%d article%s marked as %s"
5871 count (if (= count 1) " is" "s are")
5872 (if unmark "unread" "read"))))
5874 (defun gnus-summary-kill-same-subject (&optional unmark)
5875 "Mark articles which has the same subject as read.
5876 If UNMARK is positive, remove any kind of mark.
5877 If UNMARK is negative, tick articles."
5879 (gnus-set-global-variables)
5881 (setq unmark (prefix-numeric-value unmark)))
5883 (gnus-summary-mark-same-subject
5884 (gnus-summary-article-subject) unmark)))
5885 ;; If marked as read, go to next unread subject.
5887 ;; Go to next unread subject.
5888 (gnus-summary-next-subject 1 t))
5889 (gnus-message 7 "%d articles are marked as %s"
5890 count (if unmark "unread" "read"))))
5892 (defun gnus-summary-mark-same-subject (subject &optional unmark)
5893 "Mark articles with same SUBJECT as read, and return marked number.
5894 If optional argument UNMARK is positive, remove any kinds of marks.
5895 If optional argument UNMARK is negative, mark articles as unread instead."
5899 ((null unmark) ; Mark as read.
5902 (gnus-summary-mark-article-as-read gnus-killed-mark)
5903 (gnus-summary-show-thread) t)
5904 (gnus-summary-find-subject subject))
5905 (setq count (1+ count))))
5906 ((> unmark 0) ; Tick.
5909 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
5910 (gnus-summary-show-thread) t)
5911 (gnus-summary-find-subject subject))
5912 (setq count (1+ count))))
5913 (t ; Mark as unread.
5916 (gnus-summary-mark-article-as-unread gnus-unread-mark)
5917 (gnus-summary-show-thread) t)
5918 (gnus-summary-find-subject subject))
5919 (setq count (1+ count)))))
5920 (gnus-set-mode-line 'summary)
5921 ;; Return the number of marked articles.
5924 (defun gnus-summary-mark-as-processable (n &optional unmark)
5925 "Set the process mark on the next N articles.
5926 If N is negative, mark backward instead. If UNMARK is non-nil, remove
5927 the process mark instead. The difference between N and the actual
5928 number of articles marked is returned."
5930 (gnus-set-global-variables)
5931 (let ((backward (< n 0))
5936 (gnus-summary-remove-process-mark
5937 (gnus-summary-article-number))
5938 (gnus-summary-set-process-mark (gnus-summary-article-number)))
5939 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
5941 (if (/= 0 n) (gnus-message 7 "No more articles"))
5942 (gnus-summary-recenter)
5943 (gnus-summary-position-point)
5946 (defun gnus-summary-unmark-as-processable (n)
5947 "Remove the process mark from the next N articles.
5948 If N is negative, mark backward instead. The difference between N and
5949 the actual number of articles marked is returned."
5951 (gnus-set-global-variables)
5952 (gnus-summary-mark-as-processable n t))
5954 (defun gnus-summary-unmark-all-processable ()
5955 "Remove the process mark from all articles."
5957 (gnus-set-global-variables)
5959 (while gnus-newsgroup-processable
5960 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
5961 (gnus-summary-position-point))
5963 (defun gnus-summary-mark-as-expirable (n)
5964 "Mark N articles forward as expirable.
5965 If N is negative, mark backward instead. The difference between N and
5966 the actual number of articles marked is returned."
5968 (gnus-set-global-variables)
5969 (gnus-summary-mark-forward n gnus-expirable-mark))
5971 (defun gnus-summary-mark-article-as-replied (article)
5972 "Mark ARTICLE replied and update the summary line."
5973 (setq gnus-newsgroup-replied (cons article gnus-newsgroup-replied))
5974 (let ((buffer-read-only nil))
5975 (when (gnus-summary-goto-subject article)
5976 (gnus-summary-update-secondary-mark article))))
5978 (defun gnus-summary-set-bookmark (article)
5979 "Set a bookmark in current article."
5980 (interactive (list (gnus-summary-article-number)))
5981 (gnus-set-global-variables)
5982 (if (or (not (get-buffer gnus-article-buffer))
5983 (not gnus-current-article)
5984 (not gnus-article-current)
5985 (not (equal gnus-newsgroup-name (car gnus-article-current))))
5986 (error "No current article selected"))
5987 ;; Remove old bookmark, if one exists.
5988 (let ((old (assq article gnus-newsgroup-bookmarks)))
5989 (if old (setq gnus-newsgroup-bookmarks
5990 (delq old gnus-newsgroup-bookmarks))))
5991 ;; Set the new bookmark, which is on the form
5992 ;; (article-number . line-number-in-body).
5993 (setq gnus-newsgroup-bookmarks
5997 (set-buffer gnus-article-buffer)
6001 (goto-char (point-min))
6002 (search-forward "\n\n" nil t)
6005 gnus-newsgroup-bookmarks))
6006 (gnus-message 6 "A bookmark has been added to the current article."))
6008 (defun gnus-summary-remove-bookmark (article)
6009 "Remove the bookmark from the current article."
6010 (interactive (list (gnus-summary-article-number)))
6011 (gnus-set-global-variables)
6012 ;; Remove old bookmark, if one exists.
6013 (let ((old (assq article gnus-newsgroup-bookmarks)))
6016 (setq gnus-newsgroup-bookmarks
6017 (delq old gnus-newsgroup-bookmarks))
6018 (gnus-message 6 "Removed bookmark."))
6019 (gnus-message 6 "No bookmark in current article."))))
6021 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
6022 (defun gnus-summary-mark-as-dormant (n)
6023 "Mark N articles forward as dormant.
6024 If N is negative, mark backward instead. The difference between N and
6025 the actual number of articles marked is returned."
6027 (gnus-set-global-variables)
6028 (gnus-summary-mark-forward n gnus-dormant-mark))
6030 (defun gnus-summary-set-process-mark (article)
6031 "Set the process mark on ARTICLE and update the summary line."
6032 (setq gnus-newsgroup-processable
6034 (delq article gnus-newsgroup-processable)))
6035 (when (gnus-summary-goto-subject article)
6036 (gnus-summary-show-thread)
6037 (gnus-summary-update-secondary-mark article)))
6039 (defun gnus-summary-remove-process-mark (article)
6040 "Remove the process mark from ARTICLE and update the summary line."
6041 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
6042 (when (gnus-summary-goto-subject article)
6043 (gnus-summary-show-thread)
6044 (gnus-summary-update-secondary-mark article)))
6046 (defun gnus-summary-set-saved-mark (article)
6047 "Set the process mark on ARTICLE and update the summary line."
6048 (push article gnus-newsgroup-saved)
6049 (when (gnus-summary-goto-subject article)
6050 (gnus-summary-update-secondary-mark article)))
6052 (defun gnus-summary-mark-forward (n &optional mark no-expire)
6053 "Mark N articles as read forwards.
6054 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
6055 The difference between N and the actual number of articles marked is
6058 (gnus-set-global-variables)
6059 (let ((backward (< n 0))
6060 (gnus-summary-goto-unread
6061 (and gnus-summary-goto-unread
6062 (not (eq gnus-summary-goto-unread 'never))
6063 (not (memq mark (list gnus-unread-mark
6064 gnus-ticked-mark gnus-dormant-mark)))))
6066 (mark (or mark gnus-del-mark)))
6068 (gnus-summary-mark-article nil mark no-expire)
6069 (zerop (gnus-summary-next-subject
6071 (and gnus-summary-goto-unread
6072 (not (eq gnus-summary-goto-unread 'never)))
6075 (if (/= 0 n) (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
6076 (gnus-summary-recenter)
6077 (gnus-summary-position-point)
6078 (gnus-set-mode-line 'summary)
6081 (defun gnus-summary-mark-article-as-read (mark)
6082 "Mark the current article quickly as read with MARK."
6083 (let ((article (gnus-summary-article-number)))
6084 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
6085 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
6086 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
6087 (setq gnus-newsgroup-reads
6088 (cons (cons article mark) gnus-newsgroup-reads))
6089 ;; Possibly remove from cache, if that is used.
6090 (and gnus-use-cache (gnus-cache-enter-remove-article article))
6091 ;; Allow the backend to change the mark.
6092 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
6093 ;; Check for auto-expiry.
6094 (when (and gnus-newsgroup-auto-expire
6095 (or (= mark gnus-killed-mark) (= mark gnus-del-mark)
6096 (= mark gnus-catchup-mark) (= mark gnus-low-score-mark)
6097 (= mark gnus-ancient-mark)
6098 (= mark gnus-read-mark) (= mark gnus-souped-mark)))
6099 (setq mark gnus-expirable-mark)
6100 (push article gnus-newsgroup-expirable))
6101 ;; Set the mark in the buffer.
6102 (gnus-summary-update-mark mark 'unread)
6105 (defun gnus-summary-mark-article-as-unread (mark)
6106 "Mark the current article quickly as unread with MARK."
6107 (let ((article (gnus-summary-article-number)))
6109 (gnus-error 1 "Unmarkable article")
6110 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
6111 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
6112 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
6113 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
6114 (cond ((= mark gnus-ticked-mark)
6115 (push article gnus-newsgroup-marked))
6116 ((= mark gnus-dormant-mark)
6117 (push article gnus-newsgroup-dormant))
6119 (push article gnus-newsgroup-unreads)))
6120 (setq gnus-newsgroup-reads
6121 (delq (assq article gnus-newsgroup-reads)
6122 gnus-newsgroup-reads))
6124 ;; See whether the article is to be put in the cache.
6126 (vectorp (gnus-summary-article-header article))
6128 (gnus-cache-possibly-enter-article
6129 gnus-newsgroup-name article
6130 (gnus-summary-article-header article)
6131 (= mark gnus-ticked-mark)
6132 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
6135 (gnus-summary-update-mark mark 'unread))
6138 (defun gnus-summary-mark-article (&optional article mark no-expire)
6139 "Mark ARTICLE with MARK. MARK can be any character.
6140 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
6141 `??' (dormant) and `?E' (expirable).
6142 If MARK is nil, then the default character `?D' is used.
6143 If ARTICLE is nil, then the article on the current line will be
6145 ;; The mark might be a string.
6147 (setq mark (aref mark 0)))
6148 ;; If no mark is given, then we check auto-expiring.
6149 (and (not no-expire)
6150 gnus-newsgroup-auto-expire
6153 (or (= mark gnus-killed-mark) (= mark gnus-del-mark)
6154 (= mark gnus-catchup-mark) (= mark gnus-low-score-mark)
6155 (= mark gnus-read-mark) (= mark gnus-souped-mark))))
6156 (setq mark gnus-expirable-mark))
6157 (let* ((mark (or mark gnus-del-mark))
6158 (article (or article (gnus-summary-article-number))))
6159 (or article (error "No article on current line"))
6160 (if (or (= mark gnus-unread-mark)
6161 (= mark gnus-ticked-mark)
6162 (= mark gnus-dormant-mark))
6163 (gnus-mark-article-as-unread article mark)
6164 (gnus-mark-article-as-read article mark))
6166 ;; See whether the article is to be put in the cache.
6168 (not (= mark gnus-canceled-mark))
6169 (vectorp (gnus-summary-article-header article))
6171 (gnus-cache-possibly-enter-article
6172 gnus-newsgroup-name article
6173 (gnus-summary-article-header article)
6174 (= mark gnus-ticked-mark)
6175 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
6177 (if (gnus-summary-goto-subject article nil t)
6178 (let ((buffer-read-only nil))
6179 (gnus-summary-show-thread)
6181 (gnus-summary-update-mark mark 'unread)
6184 (defun gnus-summary-update-secondary-mark (article)
6185 "Update the secondary (read, process, cache) mark."
6186 (gnus-summary-update-mark
6187 (cond ((memq article gnus-newsgroup-processable)
6189 ((memq article gnus-newsgroup-cached)
6191 ((memq article gnus-newsgroup-replied)
6193 ((memq article gnus-newsgroup-saved)
6195 (t gnus-unread-mark))
6197 (when (gnus-visual-p 'summary-highlight 'highlight)
6198 (run-hooks 'gnus-summary-update-hook))
6201 (defun gnus-summary-update-mark (mark type)
6203 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
6204 (buffer-read-only nil))
6206 (<= (+ forward (point)) (point-max)))
6207 ;; Go to the right position on the line.
6208 (goto-char (+ forward (point)))
6209 ;; Replace the old mark with the new mark.
6210 (subst-char-in-region (point) (1+ (point)) (following-char) mark)
6211 ;; Optionally update the marks by some user rule.
6212 (when (eq type 'unread)
6214 (gnus-data-find (gnus-summary-article-number)) mark)
6215 (gnus-summary-update-line (eq mark gnus-unread-mark))))))
6217 (defun gnus-mark-article-as-read (article &optional mark)
6218 "Enter ARTICLE in the pertinent lists and remove it from others."
6219 ;; Make the article expirable.
6220 (let ((mark (or mark gnus-del-mark)))
6221 (if (= mark gnus-expirable-mark)
6222 (setq gnus-newsgroup-expirable (cons article gnus-newsgroup-expirable))
6223 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)))
6224 ;; Remove from unread and marked lists.
6225 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
6226 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
6227 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
6228 (push (cons article mark) gnus-newsgroup-reads)
6229 ;; Possibly remove from cache, if that is used.
6230 (when gnus-use-cache
6231 (gnus-cache-enter-remove-article article))))
6233 (defun gnus-mark-article-as-unread (article &optional mark)
6234 "Enter ARTICLE in the pertinent lists and remove it from others."
6235 (let ((mark (or mark gnus-ticked-mark)))
6236 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
6237 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
6238 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
6239 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
6240 (cond ((= mark gnus-ticked-mark)
6241 (push article gnus-newsgroup-marked))
6242 ((= mark gnus-dormant-mark)
6243 (push article gnus-newsgroup-dormant))
6245 (push article gnus-newsgroup-unreads)))
6246 (setq gnus-newsgroup-reads
6247 (delq (assq article gnus-newsgroup-reads)
6248 gnus-newsgroup-reads))))
6250 (defalias 'gnus-summary-mark-as-unread-forward
6251 'gnus-summary-tick-article-forward)
6252 (make-obsolete 'gnus-summary-mark-as-unread-forward
6253 'gnus-summary-tick-article-forward)
6254 (defun gnus-summary-tick-article-forward (n)
6255 "Tick N articles forwards.
6256 If N is negative, tick backwards instead.
6257 The difference between N and the number of articles ticked is returned."
6259 (gnus-summary-mark-forward n gnus-ticked-mark))
6261 (defalias 'gnus-summary-mark-as-unread-backward
6262 'gnus-summary-tick-article-backward)
6263 (make-obsolete 'gnus-summary-mark-as-unread-backward
6264 'gnus-summary-tick-article-backward)
6265 (defun gnus-summary-tick-article-backward (n)
6266 "Tick N articles backwards.
6267 The difference between N and the number of articles ticked is returned."
6269 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
6271 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
6272 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
6273 (defun gnus-summary-tick-article (&optional article clear-mark)
6274 "Mark current article as unread.
6275 Optional 1st argument ARTICLE specifies article number to be marked as unread.
6276 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
6278 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
6281 (defun gnus-summary-mark-as-read-forward (n)
6282 "Mark N articles as read forwards.
6283 If N is negative, mark backwards instead.
6284 The difference between N and the actual number of articles marked is
6287 (gnus-summary-mark-forward n gnus-del-mark t))
6289 (defun gnus-summary-mark-as-read-backward (n)
6290 "Mark the N articles as read backwards.
6291 The difference between N and the actual number of articles marked is
6294 (gnus-summary-mark-forward (- n) gnus-del-mark t))
6296 (defun gnus-summary-mark-as-read (&optional article mark)
6297 "Mark current article as read.
6298 ARTICLE specifies the article to be marked as read.
6299 MARK specifies a string to be inserted at the beginning of the line."
6300 (gnus-summary-mark-article article mark))
6302 (defun gnus-summary-clear-mark-forward (n)
6303 "Clear marks from N articles forward.
6304 If N is negative, clear backward instead.
6305 The difference between N and the number of marks cleared is returned."
6307 (gnus-summary-mark-forward n gnus-unread-mark))
6309 (defun gnus-summary-clear-mark-backward (n)
6310 "Clear marks from N articles backward.
6311 The difference between N and the number of marks cleared is returned."
6313 (gnus-summary-mark-forward (- n) gnus-unread-mark))
6315 (defun gnus-summary-mark-unread-as-read ()
6316 "Intended to be used by `gnus-summary-mark-article-hook'."
6317 (when (memq gnus-current-article gnus-newsgroup-unreads)
6318 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
6320 (defun gnus-summary-mark-read-and-unread-as-read ()
6321 "Intended to be used by `gnus-summary-mark-article-hook'."
6322 (let ((mark (gnus-summary-article-mark)))
6323 (when (or (gnus-unread-mark-p mark)
6324 (gnus-read-mark-p mark))
6325 (gnus-summary-mark-article gnus-current-article gnus-read-mark))))
6327 (defun gnus-summary-mark-region-as-read (point mark all)
6328 "Mark all unread articles between point and mark as read.
6329 If given a prefix, mark all articles between point and mark as read,
6330 even ticked and dormant ones."
6331 (interactive "r\nP")
6340 (memq (setq article (gnus-summary-article-number))
6341 gnus-newsgroup-unreads))
6342 (gnus-summary-mark-article article gnus-del-mark))
6344 (gnus-summary-find-next))))))
6346 (defun gnus-summary-mark-below (score mark)
6347 "Mark articles with score less than SCORE with MARK."
6348 (interactive "P\ncMark: ")
6349 (gnus-set-global-variables)
6350 (setq score (if score
6351 (prefix-numeric-value score)
6352 (or gnus-summary-default-score 0)))
6354 (set-buffer gnus-summary-buffer)
6355 (goto-char (point-min))
6358 (and (< (gnus-summary-article-score) score)
6359 (gnus-summary-mark-article nil mark))
6360 (gnus-summary-find-next)))))
6362 (defun gnus-summary-kill-below (&optional score)
6363 "Mark articles with score below SCORE as read."
6365 (gnus-set-global-variables)
6366 (gnus-summary-mark-below score gnus-killed-mark))
6368 (defun gnus-summary-clear-above (&optional score)
6369 "Clear all marks from articles with score above SCORE."
6371 (gnus-set-global-variables)
6372 (gnus-summary-mark-above score gnus-unread-mark))
6374 (defun gnus-summary-tick-above (&optional score)
6375 "Tick all articles with score above SCORE."
6377 (gnus-set-global-variables)
6378 (gnus-summary-mark-above score gnus-ticked-mark))
6380 (defun gnus-summary-mark-above (score mark)
6381 "Mark articles with score over SCORE with MARK."
6382 (interactive "P\ncMark: ")
6383 (gnus-set-global-variables)
6384 (setq score (if score
6385 (prefix-numeric-value score)
6386 (or gnus-summary-default-score 0)))
6388 (set-buffer gnus-summary-buffer)
6389 (goto-char (point-min))
6391 (if (> (gnus-summary-article-score) score)
6392 (gnus-summary-mark-article nil mark))
6394 (gnus-summary-find-next)))))
6396 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
6397 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
6398 (defun gnus-summary-limit-include-expunged (&optional no-error)
6399 "Display all the hidden articles that were expunged for low scores."
6401 (gnus-set-global-variables)
6402 (let ((buffer-read-only nil))
6403 (let ((scored gnus-newsgroup-scored)
6406 (or (gnus-summary-goto-subject (caar scored))
6407 (and (setq h (gnus-summary-article-header (caar scored)))
6408 (< (cdar scored) gnus-summary-expunge-below)
6409 (setq headers (cons h headers))))
6410 (setq scored (cdr scored)))
6412 (when (not no-error)
6413 (error "No expunged articles hidden."))
6414 (goto-char (point-min))
6415 (gnus-summary-prepare-unthreaded (nreverse headers))
6416 (goto-char (point-min))
6417 (gnus-summary-position-point)
6420 (defun gnus-summary-catchup (&optional all quietly to-here not-mark)
6421 "Mark all articles not marked as unread in this newsgroup as read.
6422 If prefix argument ALL is non-nil, all articles are marked as read.
6423 If QUIETLY is non-nil, no questions will be asked.
6424 If TO-HERE is non-nil, it should be a point in the buffer. All
6425 articles before this point will be marked as read.
6426 The number of articles marked as read is returned."
6428 (gnus-set-global-variables)
6431 (not gnus-interactive-catchup) ;Without confirmation?
6435 "Mark absolutely all articles as read? "
6436 "Mark all unread articles as read? ")))
6438 (not gnus-newsgroup-adaptive)
6439 (not gnus-newsgroup-auto-expire))
6442 (setq gnus-newsgroup-marked nil
6443 gnus-newsgroup-dormant nil))
6444 (setq gnus-newsgroup-unreads nil))
6445 ;; We actually mark all articles as canceled, which we
6446 ;; have to do when using auto-expiry or adaptive scoring.
6447 (gnus-summary-show-all-threads)
6448 (if (gnus-summary-first-subject (not all))
6450 (if to-here (< (point) to-here) t)
6451 (gnus-summary-mark-article-as-read gnus-catchup-mark)
6452 (gnus-summary-find-next (not all)))))
6454 (setq gnus-newsgroup-unreads nil))
6455 (gnus-set-mode-line 'summary)))
6456 (let ((method (gnus-find-method-for-group gnus-newsgroup-name)))
6457 (if (and (not to-here) (eq 'nnvirtual (car method)))
6458 (nnvirtual-catchup-group
6459 (gnus-group-real-name gnus-newsgroup-name) (nth 1 method) all)))
6460 (gnus-summary-position-point)))
6462 (defun gnus-summary-catchup-to-here (&optional all)
6463 "Mark all unticked articles before the current one as read.
6464 If ALL is non-nil, also mark ticked and dormant articles as read."
6466 (gnus-set-global-variables)
6468 (gnus-save-hidden-threads
6469 (let ((beg (point)))
6470 ;; We check that there are unread articles.
6471 (when (or all (gnus-summary-find-prev))
6472 (gnus-summary-catchup all t beg)))))
6473 (gnus-summary-position-point))
6475 (defun gnus-summary-catchup-all (&optional quietly)
6476 "Mark all articles in this newsgroup as read."
6478 (gnus-set-global-variables)
6479 (gnus-summary-catchup t quietly))
6481 (defun gnus-summary-catchup-and-exit (&optional all quietly)
6482 "Mark all articles not marked as unread in this newsgroup as read, then exit.
6483 If prefix argument ALL is non-nil, all articles are marked as read."
6485 (gnus-set-global-variables)
6486 (gnus-summary-catchup all quietly nil 'fast)
6487 ;; Select next newsgroup or exit.
6488 (if (eq gnus-auto-select-next 'quietly)
6489 (gnus-summary-next-group nil)
6490 (gnus-summary-exit)))
6492 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
6493 "Mark all articles in this newsgroup as read, and then exit."
6495 (gnus-set-global-variables)
6496 (gnus-summary-catchup-and-exit t quietly))
6498 ;; Suggested by "Arne Eofsson" <arne@hodgkin.mbi.ucla.edu>.
6499 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
6500 "Mark all articles in this group as read and select the next group.
6501 If given a prefix, mark all articles, unread as well as ticked, as
6504 (gnus-set-global-variables)
6506 (gnus-summary-catchup all))
6507 (gnus-summary-next-article t nil nil t))
6509 ;; Thread-based commands.
6511 (defun gnus-summary-articles-in-thread (&optional article)
6512 "Return a list of all articles in the current thread.
6513 If ARTICLE is non-nil, return all articles in the thread that starts
6515 (let* ((article (or article (gnus-summary-article-number)))
6516 (data (gnus-data-find-list article))
6517 (top-level (gnus-data-level (car data)))
6519 (cond ((null gnus-thread-operation-ignore-subject)
6520 (gnus-simplify-subject-re
6521 (mail-header-subject (gnus-data-header (car data)))))
6522 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
6523 (gnus-simplify-subject-fuzzy
6524 (mail-header-subject (gnus-data-header (car data)))))
6526 (end-point (save-excursion
6527 (if (gnus-summary-go-to-next-thread)
6528 (point) (point-max))))
6531 (< (gnus-data-pos (car data)) end-point))
6532 (when (or (not top-subject)
6533 (string= top-subject
6534 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
6535 (gnus-simplify-subject-fuzzy
6536 (mail-header-subject
6537 (gnus-data-header (car data))))
6538 (gnus-simplify-subject-re
6539 (mail-header-subject
6540 (gnus-data-header (car data)))))))
6541 (push (gnus-data-number (car data)) articles))
6542 (unless (and (setq data (cdr data))
6543 (> (gnus-data-level (car data)) top-level))
6545 ;; Return the list of articles.
6546 (nreverse articles)))
6548 (defun gnus-summary-rethread-current ()
6549 "Rethread the thread the current article is part of."
6551 (gnus-set-global-variables)
6552 (let* ((gnus-show-threads t)
6553 (article (gnus-summary-article-number))
6554 (id (mail-header-id (gnus-summary-article-header)))
6555 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
6557 (error "No article on the current line"))
6558 (gnus-rebuild-thread id)
6559 (gnus-summary-goto-subject article)))
6561 (defun gnus-summary-reparent-thread ()
6562 "Make current article child of the marked (or previous) article.
6564 Note that the re-threading will only work if `gnus-thread-ignore-subject'
6565 is non-nil or the Subject: of both articles are the same."
6567 (or (not (gnus-group-read-only-p))
6568 (error "The current newsgroup does not support article editing."))
6569 (or (<= (length gnus-newsgroup-processable) 1)
6570 (error "No more than one article may be marked."))
6571 (save-window-excursion
6572 (let ((gnus-article-buffer " *reparent*")
6573 (current-article (gnus-summary-article-number))
6574 ; first grab the marked article, otherwise one line up.
6575 (parent-article (if (not (null gnus-newsgroup-processable))
6576 (car gnus-newsgroup-processable)
6578 (if (eq (forward-line -1) 0)
6579 (gnus-summary-article-number)
6580 (error "Beginning of summary buffer."))))))
6581 (or (not (eq current-article parent-article))
6582 (error "An article may not be self-referential."))
6583 (let ((message-id (mail-header-id
6584 (gnus-summary-article-header parent-article))))
6585 (or (and message-id (not (equal message-id "")))
6586 (error "No message-id in desired parent."))
6587 (gnus-summary-select-article t t nil current-article)
6588 (set-buffer gnus-article-buffer)
6589 (setq buffer-read-only nil)
6590 (let ((buf (format "%s" (buffer-string))))
6593 (goto-char (point-min))
6594 (if (search-forward-regexp "^References: " nil t)
6595 (insert message-id " " )
6596 (insert "References: " message-id "\n"))
6597 (or (gnus-request-replace-article current-article
6598 (car gnus-article-current)
6599 gnus-article-buffer)
6600 (error "Couldn't replace article."))
6601 (set-buffer gnus-summary-buffer)
6602 (gnus-summary-unmark-all-processable)
6603 (gnus-summary-rethread-current)
6604 (gnus-message 3 "Article %d is now the child of article %d."
6605 current-article parent-article)))))
6607 (defun gnus-summary-toggle-threads (&optional arg)
6608 "Toggle showing conversation threads.
6609 If ARG is positive number, turn showing conversation threads on."
6611 (gnus-set-global-variables)
6612 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
6613 (setq gnus-show-threads
6614 (if (null arg) (not gnus-show-threads)
6615 (> (prefix-numeric-value arg) 0)))
6616 (gnus-summary-prepare)
6617 (gnus-summary-goto-subject current)
6618 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
6619 (gnus-summary-position-point)))
6621 (defun gnus-summary-show-all-threads ()
6624 (gnus-set-global-variables)
6626 (let ((buffer-read-only nil))
6627 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
6628 (gnus-summary-position-point))
6630 (defun gnus-summary-show-thread ()
6631 "Show thread subtrees.
6632 Returns nil if no thread was there to be shown."
6634 (gnus-set-global-variables)
6635 (let ((buffer-read-only nil)
6637 ;; first goto end then to beg, to have point at beg after let
6638 (end (progn (end-of-line) (point)))
6639 (beg (progn (beginning-of-line) (point))))
6641 ;; Any hidden lines here?
6642 (search-forward "\r" end t)
6643 (subst-char-in-region beg end ?\^M ?\n t)
6645 (gnus-summary-position-point))))
6647 (defun gnus-summary-hide-all-threads ()
6648 "Hide all thread subtrees."
6650 (gnus-set-global-variables)
6652 (goto-char (point-min))
6653 (gnus-summary-hide-thread)
6654 (while (zerop (gnus-summary-next-thread 1 t))
6655 (gnus-summary-hide-thread)))
6656 (gnus-summary-position-point))
6658 (defun gnus-summary-hide-thread ()
6659 "Hide thread subtrees.
6660 Returns nil if no threads were there to be hidden."
6662 (gnus-set-global-variables)
6663 (let ((buffer-read-only nil)
6665 (article (gnus-summary-article-number)))
6667 ;; Go forward until either the buffer ends or the subthread
6669 (when (and (not (eobp))
6670 (or (zerop (gnus-summary-next-thread 1 t))
6671 (goto-char (point-max))))
6673 (if (and (> (point) start)
6674 (search-backward "\n" start t))
6676 (subst-char-in-region start (point) ?\n ?\^M)
6677 (gnus-summary-goto-subject article))
6680 ;;(gnus-summary-position-point)
6683 (defun gnus-summary-go-to-next-thread (&optional previous)
6684 "Go to the same level (or less) next thread.
6685 If PREVIOUS is non-nil, go to previous thread instead.
6686 Return the article number moved to, or nil if moving was impossible."
6687 (let ((level (gnus-summary-thread-level))
6688 (way (if previous -1 1))
6691 (while (and (not (eobp))
6692 (< level (gnus-summary-thread-level)))
6700 (gnus-summary-article-number)
6703 (defun gnus-summary-go-to-next-thread-old (&optional previous)
6704 "Go to the same level (or less) next thread.
6705 If PREVIOUS is non-nil, go to previous thread instead.
6706 Return the article number moved to, or nil if moving was impossible."
6707 (if (and (eq gnus-summary-make-false-root 'dummy)
6708 (gnus-summary-article-intangible-p))
6709 (let ((beg (point)))
6710 (while (and (zerop (forward-line 1))
6711 (not (gnus-summary-article-intangible-p))
6712 (not (zerop (save-excursion
6713 (gnus-summary-thread-level))))))
6719 (let* ((level (gnus-summary-thread-level))
6720 (article (gnus-summary-article-number))
6721 (data (cdr (gnus-data-find-list article (gnus-data-list previous))))
6724 (if (<= (gnus-data-level (car data)) level)
6725 (setq oart (gnus-data-number (car data))
6727 (setq data (cdr data))))
6729 (gnus-summary-goto-subject oart)))))
6731 (defun gnus-summary-next-thread (n &optional silent)
6732 "Go to the same level next N'th thread.
6733 If N is negative, search backward instead.
6734 Returns the difference between N and the number of skips actually
6737 If SILENT, don't output messages."
6739 (gnus-set-global-variables)
6740 (let ((backward (< n 0))
6744 (gnus-summary-go-to-next-thread backward))
6747 (gnus-summary-position-point))
6748 (when (and (not silent) (/= 0 n))
6749 (gnus-message 7 "No more threads"))
6752 (defun gnus-summary-prev-thread (n)
6753 "Go to the same level previous N'th thread.
6754 Returns the difference between N and the number of skips actually
6757 (gnus-set-global-variables)
6758 (gnus-summary-next-thread (- n)))
6760 (defun gnus-summary-go-down-thread ()
6761 "Go down one level in the current thread."
6762 (let ((children (gnus-summary-article-children)))
6764 (gnus-summary-goto-subject (car children)))))
6766 (defun gnus-summary-go-up-thread ()
6767 "Go up one level in the current thread."
6768 (let ((parent (gnus-summary-article-parent)))
6770 (gnus-summary-goto-subject parent))))
6772 (defun gnus-summary-down-thread (n)
6773 "Go down thread N steps.
6774 If N is negative, go up instead.
6775 Returns the difference between N and how many steps down that were
6778 (gnus-set-global-variables)
6782 (if up (gnus-summary-go-up-thread)
6783 (gnus-summary-go-down-thread)))
6785 (gnus-summary-position-point)
6786 (if (/= 0 n) (gnus-message 7 "Can't go further"))
6789 (defun gnus-summary-up-thread (n)
6790 "Go up thread N steps.
6791 If N is negative, go up instead.
6792 Returns the difference between N and how many steps down that were
6795 (gnus-set-global-variables)
6796 (gnus-summary-down-thread (- n)))
6798 (defun gnus-summary-top-thread ()
6799 "Go to the top of the thread."
6801 (gnus-set-global-variables)
6802 (while (gnus-summary-go-up-thread))
6803 (gnus-summary-article-number))
6805 (defun gnus-summary-kill-thread (&optional unmark)
6806 "Mark articles under current thread as read.
6807 If the prefix argument is positive, remove any kinds of marks.
6808 If the prefix argument is negative, tick articles instead."
6810 (gnus-set-global-variables)
6812 (setq unmark (prefix-numeric-value unmark)))
6813 (let ((articles (gnus-summary-articles-in-thread)))
6815 ;; Expand the thread.
6816 (gnus-summary-show-thread)
6817 ;; Mark all the articles.
6819 (gnus-summary-goto-subject (car articles))
6820 (cond ((null unmark)
6821 (gnus-summary-mark-article-as-read gnus-killed-mark))
6823 (gnus-summary-mark-article-as-unread gnus-unread-mark))
6825 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
6826 (setq articles (cdr articles))))
6827 ;; Hide killed subtrees.
6829 gnus-thread-hide-killed
6830 (gnus-summary-hide-thread))
6831 ;; If marked as read, go to next unread subject.
6833 ;; Go to next unread subject.
6834 (gnus-summary-next-subject 1 t)))
6835 (gnus-set-mode-line 'summary))
6837 ;; Summary sorting commands
6839 (defun gnus-summary-sort-by-number (&optional reverse)
6840 "Sort summary buffer by article number.
6841 Argument REVERSE means reverse order."
6843 (gnus-summary-sort 'number reverse))
6845 (defun gnus-summary-sort-by-author (&optional reverse)
6846 "Sort summary buffer by author name alphabetically.
6847 If case-fold-search is non-nil, case of letters is ignored.
6848 Argument REVERSE means reverse order."
6850 (gnus-summary-sort 'author reverse))
6852 (defun gnus-summary-sort-by-subject (&optional reverse)
6853 "Sort summary buffer by subject alphabetically. `Re:'s are ignored.
6854 If case-fold-search is non-nil, case of letters is ignored.
6855 Argument REVERSE means reverse order."
6857 (gnus-summary-sort 'subject reverse))
6859 (defun gnus-summary-sort-by-date (&optional reverse)
6860 "Sort summary buffer by date.
6861 Argument REVERSE means reverse order."
6863 (gnus-summary-sort 'date reverse))
6865 (defun gnus-summary-sort-by-score (&optional reverse)
6866 "Sort summary buffer by score.
6867 Argument REVERSE means reverse order."
6869 (gnus-summary-sort 'score reverse))
6871 (defun gnus-summary-sort (predicate reverse)
6872 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
6873 (gnus-set-global-variables)
6874 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
6875 (article (intern (format "gnus-article-sort-by-%s" predicate)))
6876 (gnus-thread-sort-functions
6882 (gnus-article-sort-functions
6887 (,article t2 t1)))))
6889 (gnus-summary-prepare-hook nil))
6890 ;; We do the sorting by regenerating the threads.
6891 (gnus-summary-prepare)
6892 ;; Hide subthreads if needed.
6893 (when (and gnus-show-threads gnus-thread-hide-subtree)
6894 (gnus-summary-hide-all-threads))))
6896 ;; Summary saving commands.
6898 (defun gnus-summary-save-article (&optional n not-saved)
6899 "Save the current article using the default saver function.
6900 If N is a positive number, save the N next articles.
6901 If N is a negative number, save the N previous articles.
6902 If N is nil and any articles have been marked with the process mark,
6903 save those articles instead.
6904 The variable `gnus-default-article-saver' specifies the saver function."
6906 (gnus-set-global-variables)
6907 (let ((articles (gnus-summary-work-articles n))
6908 (save-buffer (save-excursion
6909 (nnheader-set-temp-buffer " *Gnus Save*")))
6910 header article file)
6912 (setq header (gnus-summary-article-header
6913 (setq article (pop articles))))
6914 (if (not (vectorp header))
6915 ;; This is a pseudo-article.
6916 (if (assq 'name header)
6917 (gnus-copy-file (cdr (assq 'name header)))
6918 (gnus-message 1 "Article %d is unsaveable" article))
6919 ;; This is a real article.
6920 (save-window-excursion
6921 (gnus-summary-select-article t nil nil article))
6923 (set-buffer save-buffer)
6925 (insert-buffer-substring gnus-original-article-buffer))
6926 (setq file (gnus-article-save save-buffer file))
6927 (gnus-summary-remove-process-mark article)
6929 (gnus-summary-set-saved-mark article))))
6930 (gnus-kill-buffer save-buffer)
6931 (gnus-summary-position-point)
6934 (defun gnus-summary-pipe-output (&optional arg)
6935 "Pipe the current article to a subprocess.
6936 If N is a positive number, pipe the N next articles.
6937 If N is a negative number, pipe the N previous articles.
6938 If N is nil and any articles have been marked with the process mark,
6939 pipe those articles instead."
6941 (gnus-set-global-variables)
6942 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe))
6943 (gnus-summary-save-article arg t))
6944 (gnus-configure-windows 'pipe))
6946 (defun gnus-summary-save-article-mail (&optional arg)
6947 "Append the current article to an mail file.
6948 If N is a positive number, save the N next articles.
6949 If N is a negative number, save the N previous articles.
6950 If N is nil and any articles have been marked with the process mark,
6951 save those articles instead."
6953 (gnus-set-global-variables)
6954 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
6955 (gnus-summary-save-article arg)))
6957 (defun gnus-summary-save-article-rmail (&optional arg)
6958 "Append the current article to an rmail file.
6959 If N is a positive number, save the N next articles.
6960 If N is a negative number, save the N previous articles.
6961 If N is nil and any articles have been marked with the process mark,
6962 save those articles instead."
6964 (gnus-set-global-variables)
6965 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
6966 (gnus-summary-save-article arg)))
6968 (defun gnus-summary-save-article-file (&optional arg)
6969 "Append the current article to a file.
6970 If N is a positive number, save the N next articles.
6971 If N is a negative number, save the N previous articles.
6972 If N is nil and any articles have been marked with the process mark,
6973 save those articles instead."
6975 (gnus-set-global-variables)
6976 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
6977 (gnus-summary-save-article arg)))
6979 (defun gnus-summary-save-article-body-file (&optional arg)
6980 "Append the current article body to a file.
6981 If N is a positive number, save the N next articles.
6982 If N is a negative number, save the N previous articles.
6983 If N is nil and any articles have been marked with the process mark,
6984 save those articles instead."
6986 (gnus-set-global-variables)
6987 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
6988 (gnus-summary-save-article arg)))
6990 (defun gnus-get-split-value (methods)
6991 "Return a value based on the split METHODS."
6992 (let (split-name method result match)
6995 (set-buffer gnus-original-article-buffer)
6997 (nnheader-narrow-to-headers)
6999 (goto-char (point-min))
7000 (setq method (pop methods))
7001 (setq match (car method))
7004 ;; Regular expression.
7006 (re-search-forward match nil t)
7008 ((gnus-functionp match)
7012 (setq result (funcall match gnus-newsgroup-name))))
7017 (setq result (eval match)))))
7018 (setq split-name (append (cdr method) split-name))
7019 (cond ((stringp result)
7020 (push result split-name))
7022 (setq split-name (append result split-name)))))))))
7025 (defun gnus-read-move-group-name (prompt default articles prefix)
7026 "Read a group name."
7027 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
7028 (minibuffer-confirm-incomplete nil) ; XEmacs
7036 (car (gnus-find-method-for-group
7038 gnus-valid-select-methods))
7039 (push (list (symbol-name g)) group-map)))
7040 gnus-active-hashtb))
7044 (if (> (length articles) 1)
7045 (format "these %d articles" (length articles))
7050 (gnus-completing-read default prom
7051 group-map nil nil prefix
7052 'gnus-group-history))
7053 ((= 1 (length split-name))
7054 (gnus-completing-read (car split-name) prom group-map
7056 'gnus-group-history))
7058 (gnus-completing-read nil prom
7059 (mapcar (lambda (el) (list el))
7060 (nreverse split-name))
7062 'gnus-group-history)))))
7064 (if (or (string= to-newsgroup "")
7065 (string= to-newsgroup prefix))
7066 (setq to-newsgroup (or default "")))
7067 (or (gnus-active to-newsgroup)
7068 (gnus-activate-group to-newsgroup)
7069 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
7071 (or (and (gnus-request-create-group
7072 to-newsgroup (gnus-group-name-to-method to-newsgroup))
7073 (gnus-activate-group to-newsgroup nil nil
7074 (gnus-group-name-to-method
7076 (error "Couldn't create group %s" to-newsgroup)))
7077 (error "No such group: %s" to-newsgroup)))
7080 ;; Summary extract commands
7082 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
7083 (let ((buffer-read-only nil)
7084 (article (gnus-summary-article-number))
7086 (or (gnus-summary-goto-subject article)
7087 (error (format "No such article: %d" article)))
7088 (gnus-summary-position-point)
7089 ;; If all commands are to be bunched up on one line, we collect
7091 (if gnus-view-pseudos-separately
7093 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
7096 (setq action (cdr (assq 'action (car ps))))
7097 (setq files (list (cdr (assq 'name (car ps)))))
7098 (while (and ps (cdr ps)
7099 (string= (or action "1")
7100 (or (cdr (assq 'action (cadr ps))) "2")))
7101 (setq files (cons (cdr (assq 'name (cadr ps))) files))
7102 (setcdr ps (cddr ps)))
7105 (if (not (string-match "%s" action))
7106 (setq files (cons " " files)))
7107 (setq files (cons " " files))
7108 (and (assq 'execute (car ps))
7109 (setcdr (assq 'execute (car ps))
7110 (funcall (if (string-match "%s" action)
7113 (mapconcat (lambda (f) f) files " ")))))
7114 (setq ps (cdr ps)))))
7115 (if (and gnus-view-pseudos (not not-view))
7117 (and (assq 'execute (car pslist))
7118 (gnus-execute-command (cdr (assq 'execute (car pslist)))
7119 (eq gnus-view-pseudos 'not-confirm)))
7120 (setq pslist (cdr pslist)))
7123 (setq after-article (or (cdr (assq 'article (car pslist)))
7124 (gnus-summary-article-number)))
7125 (gnus-summary-goto-subject after-article)
7128 (insert " " (file-name-nondirectory
7129 (cdr (assq 'name (car pslist))))
7130 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
7132 (forward-line -1) ; back to `b'
7133 (gnus-add-text-properties
7134 b (1- e) (list 'gnus-number gnus-reffed-article-number
7135 gnus-mouse-face-prop gnus-mouse-face))
7137 after-article gnus-reffed-article-number
7138 gnus-unread-mark b (car pslist) 0 (- e b))
7139 (push gnus-reffed-article-number gnus-newsgroup-unreads)
7140 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
7141 (setq pslist (cdr pslist)))))))
7143 (defun gnus-pseudos< (p1 p2)
7144 (let ((c1 (cdr (assq 'action p1)))
7145 (c2 (cdr (assq 'action p2))))
7146 (and c1 c2 (string< c1 c2))))
7148 (defun gnus-request-pseudo-article (props)
7149 (cond ((assq 'execute props)
7150 (gnus-execute-command (cdr (assq 'execute props)))))
7151 (let ((gnus-current-article (gnus-summary-article-number)))
7152 (run-hooks 'gnus-mark-article-hook)))
7154 (defun gnus-execute-command (command &optional automatic)
7156 (gnus-article-setup-buffer)
7157 (set-buffer gnus-article-buffer)
7158 (setq buffer-read-only nil)
7159 (let ((command (if automatic command (read-string "Command: " command)))
7160 ;; Just binding this here doesn't help, because there might
7161 ;; be output from the process after exiting the scope of
7163 ;; (buffer-read-only nil)
7166 (insert "$ " command "\n\n")
7167 (if gnus-view-pseudo-asynchronously
7168 (start-process "gnus-execute" nil shell-file-name
7169 shell-command-switch command)
7170 (call-process shell-file-name nil t nil
7171 shell-command-switch command)))))
7173 ;; Summary kill commands.
7175 (defun gnus-summary-edit-global-kill (article)
7176 "Edit the \"global\" kill file."
7177 (interactive (list (gnus-summary-article-number)))
7178 (gnus-set-global-variables)
7179 (gnus-group-edit-global-kill article))
7181 (defun gnus-summary-edit-local-kill ()
7182 "Edit a local kill file applied to the current newsgroup."
7184 (gnus-set-global-variables)
7185 (setq gnus-current-headers (gnus-summary-article-header))
7186 (gnus-set-global-variables)
7187 (gnus-group-edit-local-kill
7188 (gnus-summary-article-number) gnus-newsgroup-name))
7192 (defun gnus-read-header (id &optional header)
7193 "Read the headers of article ID and enter them into the Gnus system."
7194 (let ((group gnus-newsgroup-name)
7195 (gnus-override-method
7196 (and (gnus-news-group-p gnus-newsgroup-name)
7197 gnus-refer-article-method))
7199 ;; First we check to see whether the header in question is already
7202 ;; This is a Message-ID.
7203 (setq header (or header (gnus-id-to-header id)))
7204 ;; This is an article number.
7205 (setq header (or header (gnus-summary-article-header id))))
7207 (not (memq (mail-header-number header) gnus-newsgroup-sparse)))
7208 ;; We have found the header.
7210 ;; We have to really fetch the header to this article.
7211 (when (setq where (gnus-request-head id group))
7213 (set-buffer nntp-server-buffer)
7214 (goto-char (point-max))
7216 (goto-char (point-min))
7220 ((cdr where) (cdr where))
7221 (header (mail-header-number header))
7222 (t gnus-reffed-article-number))
7224 (insert " Article retrieved.\n"))
7226 ; (memq (mail-header-number header) gnus-newsgroup-sparse))
7227 ; (setcar (gnus-id-to-thread id) nil))
7228 (if (not (setq header (car (gnus-get-newsgroup-headers))))
7229 () ; Malformed head.
7230 (unless (memq (mail-header-number header) gnus-newsgroup-sparse)
7231 (if (and (stringp id)
7232 (not (string= (gnus-group-real-name group)
7234 ;; If we fetched by Message-ID and the article came
7235 ;; from a different group, we fudge some bogus article
7236 ;; numbers for this article.
7237 (mail-header-set-number header gnus-reffed-article-number))
7238 (decf gnus-reffed-article-number)
7239 (gnus-remove-header (mail-header-number header))
7240 (push header gnus-newsgroup-headers)
7241 (setq gnus-current-headers header)
7242 (push (mail-header-number header) gnus-newsgroup-limit))
7245 (defun gnus-remove-header (number)
7246 "Remove header NUMBER from `gnus-newsgroup-headers'."
7247 (if (and gnus-newsgroup-headers
7248 (= number (mail-header-number (car gnus-newsgroup-headers))))
7249 (pop gnus-newsgroup-headers)
7250 (let ((headers gnus-newsgroup-headers))
7251 (while (and (cdr headers)
7252 (not (= number (mail-header-number (cadr headers)))))
7255 (setcdr headers (cddr headers))))))
7259 ;;; gnus-sum.el ends here