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1 ;;; gnus-score.el --- scoring code for Gnus
3 ;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
4 ;; 2004, 2005 Free Software Foundation, Inc.
6 ;; Author: Per Abrahamsen <amanda@iesd.auc.dk>
7 ;; Lars Magne Ingebrigtsen <larsi@gnus.org>
8 ;; Keywords: news
10 ;; This file is part of GNU Emacs.
12 ;; GNU Emacs is free software; you can redistribute it and/or modify
13 ;; it under the terms of the GNU General Public License as published by
14 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; any later version.
17 ;; GNU Emacs is distributed in the hope that it will be useful,
18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 ;; GNU General Public License for more details.
22 ;; You should have received a copy of the GNU General Public License
23 ;; along with GNU Emacs; see the file COPYING. If not, write to the
24 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
25 ;; Boston, MA 02110-1301, USA.
27 ;;; Commentary:
29 ;;; Code:
31 (eval-when-compile (require 'cl))
33 (require 'gnus)
34 (require 'gnus-sum)
35 (require 'gnus-range)
36 (require 'gnus-win)
37 (require 'message)
38 (require 'score-mode)
40 (autoload 'ffap-string-at-point "ffap")
42 (defcustom gnus-global-score-files nil
43 "List of global score files and directories.
44 Set this variable if you want to use people's score files. One entry
45 for each score file or each score file directory. Gnus will decide
46 by itself what score files are applicable to which group.
48 Say you want to use the single score file
49 \"/ftp.gnus.org@ftp:/pub/larsi/ding/score/soc.motss.SCORE\" and all
50 score files in the \"/ftp.some-where:/pub/score\" directory.
52 (setq gnus-global-score-files
53 '(\"/ftp.gnus.org:/pub/larsi/ding/score/soc.motss.SCORE\"
54 \"/ftp.some-where:/pub/score\"))"
55 :group 'gnus-score-files
56 :type '(repeat file))
58 (defcustom gnus-score-file-single-match-alist nil
59 "Alist mapping regexps to lists of score files.
60 Each element of this alist should be of the form
61 (\"REGEXP\" [ \"SCORE-FILE-1\" ] [ \"SCORE-FILE-2\" ] ... )
63 If the name of a group is matched by REGEXP, the corresponding scorefiles
64 will be used for that group.
65 The first match found is used, subsequent matching entries are ignored (to
66 use multiple matches, see `gnus-score-file-multiple-match-alist').
68 These score files are loaded in addition to any files returned by
69 `gnus-score-find-score-files-function'."
70 :group 'gnus-score-files
71 :type '(repeat (cons regexp (repeat file))))
73 (defcustom gnus-score-file-multiple-match-alist nil
74 "Alist mapping regexps to lists of score files.
75 Each element of this alist should be of the form
76 (\"REGEXP\" [ \"SCORE-FILE-1\" ] [ \"SCORE-FILE-2\" ] ... )
78 If the name of a group is matched by REGEXP, the corresponding scorefiles
79 will be used for that group.
80 If multiple REGEXPs match a group, the score files corresponding to each
81 match will be used (for only one match to be used, see
82 `gnus-score-file-single-match-alist').
84 These score files are loaded in addition to any files returned by
85 `gnus-score-find-score-files-function'."
86 :group 'gnus-score-files
87 :type '(repeat (cons regexp (repeat file))))
89 (defcustom gnus-score-file-suffix "SCORE"
90 "Suffix of the score files."
91 :group 'gnus-score-files
92 :type 'string)
94 (defcustom gnus-adaptive-file-suffix "ADAPT"
95 "Suffix of the adaptive score files."
96 :group 'gnus-score-files
97 :group 'gnus-score-adapt
98 :type 'string)
100 (defcustom gnus-score-find-score-files-function 'gnus-score-find-bnews
101 "Function used to find score files.
102 The function will be called with the group name as the argument, and
103 should return a list of score files to apply to that group. The score
104 files do not actually have to exist.
106 Predefined values are:
108 `gnus-score-find-single': Only apply the group's own score file.
109 `gnus-score-find-hierarchical': Also apply score files from parent groups.
110 `gnus-score-find-bnews': Apply score files whose names matches.
112 See the documentation to these functions for more information.
114 This variable can also be a list of functions to be called. Each
115 function is given the group name as argument and should either return
116 a list of score files, or a list of score alists.
118 If functions other than these pre-defined functions are used,
119 the `a' symbolic prefix to the score commands will always use
120 \"all.SCORE\"."
121 :group 'gnus-score-files
122 :type '(radio (function-item gnus-score-find-single)
123 (function-item gnus-score-find-hierarchical)
124 (function-item gnus-score-find-bnews)
125 (repeat :tag "List of functions"
126 (choice (function :tag "Other" :value 'ignore)
127 (function-item gnus-score-find-single)
128 (function-item gnus-score-find-hierarchical)
129 (function-item gnus-score-find-bnews)))
130 (function :tag "Other" :value 'ignore)))
132 (defcustom gnus-score-interactive-default-score 1000
133 "*Scoring commands will raise/lower the score with this number as the default."
134 :group 'gnus-score-default
135 :type 'integer)
137 (defcustom gnus-score-expiry-days 7
138 "*Number of days before unused score file entries are expired.
139 If this variable is nil, no score file entries will be expired."
140 :group 'gnus-score-expire
141 :type '(choice (const :tag "never" nil)
142 number))
144 (defcustom gnus-update-score-entry-dates t
145 "*If non-nil, update matching score entry dates.
146 If this variable is nil, then score entries that provide matches
147 will be expired along with non-matching score entries."
148 :group 'gnus-score-expire
149 :type 'boolean)
151 (defcustom gnus-decay-scores nil
152 "*If non-nil, decay non-permanent scores."
153 :group 'gnus-score-decay
154 :type 'boolean)
156 (defcustom gnus-decay-score-function 'gnus-decay-score
157 "*Function called to decay a score.
158 It is called with one parameter -- the score to be decayed."
159 :group 'gnus-score-decay
160 :type '(radio (function-item gnus-decay-score)
161 (function :tag "Other")))
163 (defcustom gnus-score-decay-constant 3
164 "*Decay all \"small\" scores with this amount."
165 :group 'gnus-score-decay
166 :type 'integer)
168 (defcustom gnus-score-decay-scale .05
169 "*Decay all \"big\" scores with this factor."
170 :group 'gnus-score-decay
171 :type 'number)
173 (defcustom gnus-home-score-file nil
174 "Variable to control where interactive score entries are to go.
175 It can be:
177 * A string
178 This file will be used as the home score file.
180 * A function
181 The result of this function will be used as the home score file.
182 The function will be passed the name of the group as its
183 parameter.
185 * A list
186 The elements in this list can be:
188 * `(regexp file-name ...)'
189 If the `regexp' matches the group name, the first `file-name'
190 will be used as the home score file. (Multiple filenames are
191 allowed so that one may use gnus-score-file-single-match-alist to
192 set this variable.)
194 * A function.
195 If the function returns non-nil, the result will be used
196 as the home score file. The function will be passed the
197 name of the group as its parameter.
199 * A string. Use the string as the home score file.
201 The list will be traversed from the beginning towards the end looking
202 for matches."
203 :group 'gnus-score-files
204 :type '(choice string
205 (repeat (choice string
206 (cons regexp (repeat file))
207 (function :value fun)))
208 (function-item gnus-hierarchial-home-score-file)
209 (function-item gnus-current-home-score-file)
210 (function :value fun)))
212 (defcustom gnus-home-adapt-file nil
213 "Variable to control where new adaptive score entries are to go.
214 This variable allows the same syntax as `gnus-home-score-file'."
215 :group 'gnus-score-adapt
216 :group 'gnus-score-files
217 :type '(choice string
218 (repeat (choice string
219 (cons regexp (repeat file))
220 (function :value fun)))
221 (function :value fun)))
223 (defcustom gnus-default-adaptive-score-alist
224 `((gnus-kill-file-mark)
225 (gnus-unread-mark)
226 (gnus-read-mark
227 (from , (+ 2 gnus-score-decay-constant))
228 (subject , (+ 27 gnus-score-decay-constant)))
229 (gnus-catchup-mark
230 (subject , (+ -7 (* -1 gnus-score-decay-constant))))
231 (gnus-killed-mark
232 (from , (- -1 gnus-score-decay-constant))
233 (subject , (+ -17 (* -1 gnus-score-decay-constant))))
234 (gnus-del-mark
235 (from , (- -1 gnus-score-decay-constant))
236 (subject , (+ -12 (* -1 gnus-score-decay-constant)))))
237 "Alist of marks and scores.
238 If you use score decays, you might want to set values higher than
239 `gnus-score-decay-constant'."
240 :group 'gnus-score-adapt
241 :type '(repeat (cons (symbol :tag "Mark")
242 (repeat (list (choice :tag "Header"
243 (const from)
244 (const subject)
245 (symbol :tag "other"))
246 (integer :tag "Score"))))))
248 (defcustom gnus-adaptive-word-length-limit nil
249 "*Words of a length lesser than this limit will be ignored when doing adaptive scoring."
250 :version "22.1"
251 :group 'gnus-score-adapt
252 :type '(radio (const :format "Unlimited " nil)
253 (integer :format "Maximum length: %v")))
255 (defcustom gnus-ignored-adaptive-words nil
256 "List of words to be ignored when doing adaptive word scoring."
257 :group 'gnus-score-adapt
258 :type '(repeat string))
260 (defcustom gnus-default-ignored-adaptive-words
261 '("a" "i" "the" "to" "of" "and" "in" "is" "it" "for" "that" "if" "you"
262 "this" "be" "on" "with" "not" "have" "are" "or" "as" "from" "can"
263 "but" "by" "at" "an" "will" "no" "all" "was" "do" "there" "my" "one"
264 "so" "we" "they" "what" "would" "any" "which" "about" "get" "your"
265 "use" "some" "me" "then" "name" "like" "out" "when" "up" "time"
266 "other" "more" "only" "just" "end" "also" "know" "how" "new" "should"
267 "been" "than" "them" "he" "who" "make" "may" "people" "these" "now"
268 "their" "here" "into" "first" "could" "way" "had" "see" "work" "well"
269 "were" "two" "very" "where" "while" "us" "because" "good" "same"
270 "even" "much" "most" "many" "such" "long" "his" "over" "last" "since"
271 "right" "before" "our" "without" "too" "those" "why" "must" "part"
272 "being" "current" "back" "still" "go" "point" "value" "each" "did"
273 "both" "true" "off" "say" "another" "state" "might" "under" "start"
274 "try" "re")
275 "*Default list of words to be ignored when doing adaptive word scoring."
276 :group 'gnus-score-adapt
277 :type '(repeat string))
279 (defcustom gnus-default-adaptive-word-score-alist
280 `((,gnus-read-mark . 30)
281 (,gnus-catchup-mark . -10)
282 (,gnus-killed-mark . -20)
283 (,gnus-del-mark . -15))
284 "*Alist of marks and scores."
285 :group 'gnus-score-adapt
286 :type '(repeat (cons (character :tag "Mark")
287 (integer :tag "Score"))))
289 (defcustom gnus-adaptive-word-minimum nil
290 "If a number, this is the minimum score value that can be assigned to a word."
291 :group 'gnus-score-adapt
292 :type '(choice (const nil) integer))
294 (defcustom gnus-adaptive-word-no-group-words nil
295 "If t, don't adaptively score words included in the group name."
296 :group 'gnus-score-adapt
297 :type 'boolean)
299 (defcustom gnus-score-mimic-keymap nil
300 "*Have the score entry functions pretend that they are a keymap."
301 :group 'gnus-score-default
302 :type 'boolean)
304 (defcustom gnus-score-exact-adapt-limit 10
305 "*Number that says how long a match has to be before using substring matching.
306 When doing adaptive scoring, one normally uses fuzzy or substring
307 matching. However, if the header one matches is short, the possibility
308 for false positives is great, so if the length of the match is less
309 than this variable, exact matching will be used.
311 If this variable is nil, exact matching will always be used."
312 :group 'gnus-score-adapt
313 :type '(choice (const nil) integer))
315 (defcustom gnus-score-uncacheable-files "ADAPT$"
316 "All score files that match this regexp will not be cached."
317 :group 'gnus-score-adapt
318 :group 'gnus-score-files
319 :type 'regexp)
321 (defcustom gnus-score-default-header nil
322 "Default header when entering new scores.
324 Should be one of the following symbols.
326 a: from
327 s: subject
328 b: body
329 h: head
330 i: message-id
331 t: references
332 x: xref
333 e: `extra' (non-standard overview)
334 l: lines
335 d: date
336 f: followup
338 If nil, the user will be asked for a header."
339 :group 'gnus-score-default
340 :type '(choice (const :tag "from" a)
341 (const :tag "subject" s)
342 (const :tag "body" b)
343 (const :tag "head" h)
344 (const :tag "message-id" i)
345 (const :tag "references" t)
346 (const :tag "xref" x)
347 (const :tag "extra" e)
348 (const :tag "lines" l)
349 (const :tag "date" d)
350 (const :tag "followup" f)
351 (const :tag "ask" nil)))
353 (defcustom gnus-score-default-type nil
354 "Default match type when entering new scores.
356 Should be one of the following symbols.
358 s: substring
359 e: exact string
360 f: fuzzy string
361 r: regexp string
362 b: before date
363 a: after date
364 n: this date
365 <: less than number
366 >: greater than number
367 =: equal to number
369 If nil, the user will be asked for a match type."
370 :group 'gnus-score-default
371 :type '(choice (const :tag "substring" s)
372 (const :tag "exact string" e)
373 (const :tag "fuzzy string" f)
374 (const :tag "regexp string" r)
375 (const :tag "before date" b)
376 (const :tag "after date" a)
377 (const :tag "this date" n)
378 (const :tag "less than number" <)
379 (const :tag "greater than number" >)
380 (const :tag "equal than number" =)
381 (const :tag "ask" nil)))
383 (defcustom gnus-score-default-fold nil
384 "Use case folding for new score file entries iff not nil."
385 :group 'gnus-score-default
386 :type 'boolean)
388 (defcustom gnus-score-default-duration nil
389 "Default duration of effect when entering new scores.
391 Should be one of the following symbols.
393 t: temporary
394 p: permanent
395 i: immediate
397 If nil, the user will be asked for a duration."
398 :group 'gnus-score-default
399 :type '(choice (const :tag "temporary" t)
400 (const :tag "permanent" p)
401 (const :tag "immediate" i)
402 (const :tag "ask" nil)))
404 (defcustom gnus-score-after-write-file-function nil
405 "Function called with the name of the score file just written to disk."
406 :group 'gnus-score-files
407 :type '(choice (const nil) function))
409 (defcustom gnus-score-thread-simplify nil
410 "If non-nil, subjects will simplified as in threading."
411 :group 'gnus-score-various
412 :type 'boolean)
416 ;; Internal variables.
418 (defvar gnus-score-use-all-scores t
419 "If nil, only `gnus-score-find-score-files-function' is used.")
421 (defvar gnus-adaptive-word-syntax-table
422 (let ((table (copy-syntax-table (standard-syntax-table)))
423 (numbers '(?0 ?1 ?2 ?3 ?4 ?5 ?6 ?7 ?8 ?9)))
424 (while numbers
425 (modify-syntax-entry (pop numbers) " " table))
426 (modify-syntax-entry ?' "w" table)
427 table)
428 "Syntax table used when doing adaptive word scoring.")
430 (defvar gnus-scores-exclude-files nil)
431 (defvar gnus-internal-global-score-files nil)
432 (defvar gnus-score-file-list nil)
434 (defvar gnus-short-name-score-file-cache nil)
436 (defvar gnus-score-help-winconf nil)
437 (defvar gnus-adaptive-score-alist gnus-default-adaptive-score-alist)
438 (defvar gnus-adaptive-word-score-alist gnus-default-adaptive-word-score-alist)
439 (defvar gnus-score-trace nil)
440 (defvar gnus-score-edit-buffer nil)
442 (defvar gnus-score-alist nil
443 "Alist containing score information.
444 The keys can be symbols or strings. The following symbols are defined.
446 touched: If this alist has been modified.
447 mark: Automatically mark articles below this.
448 expunge: Automatically expunge articles below this.
449 files: List of other score files to load when loading this one.
450 eval: Sexp to be evaluated when the score file is loaded.
452 String entries have the form (HEADER (MATCH TYPE SCORE DATE) ...)
453 where HEADER is the header being scored, MATCH is the string we are
454 looking for, TYPE is a flag indicating whether it should use regexp or
455 substring matching, SCORE is the score to add and DATE is the date
456 of the last successful match.")
458 (defvar gnus-score-cache nil)
459 (defvar gnus-scores-articles nil)
460 (defvar gnus-score-index nil)
463 (defconst gnus-header-index
464 ;; Name to index alist.
465 '(("number" 0 gnus-score-integer)
466 ("subject" 1 gnus-score-string)
467 ("from" 2 gnus-score-string)
468 ("date" 3 gnus-score-date)
469 ("message-id" 4 gnus-score-string)
470 ("references" 5 gnus-score-string)
471 ("chars" 6 gnus-score-integer)
472 ("lines" 7 gnus-score-integer)
473 ("xref" 8 gnus-score-string)
474 ("extra" 9 gnus-score-string)
475 ("head" -1 gnus-score-body)
476 ("body" -1 gnus-score-body)
477 ("all" -1 gnus-score-body)
478 ("followup" 2 gnus-score-followup)
479 ("thread" 5 gnus-score-thread)))
481 ;;; Summary mode score maps.
483 (gnus-define-keys (gnus-summary-score-map "V" gnus-summary-mode-map)
484 "s" gnus-summary-set-score
485 "S" gnus-summary-current-score
486 "c" gnus-score-change-score-file
487 "C" gnus-score-customize
488 "m" gnus-score-set-mark-below
489 "x" gnus-score-set-expunge-below
490 "R" gnus-summary-rescore
491 "e" gnus-score-edit-current-scores
492 "f" gnus-score-edit-file
493 "F" gnus-score-flush-cache
494 "t" gnus-score-find-trace
495 "w" gnus-score-find-favourite-words)
497 ;; Summary score file commands
499 ;; Much modification of the kill (ahem, score) code and lots of the
500 ;; functions are written by Per Abrahamsen <amanda@iesd.auc.dk>.
502 (defun gnus-summary-lower-score (&optional score symp)
503 "Make a score entry based on the current article.
504 The user will be prompted for header to score on, match type,
505 permanence, and the string to be used. The numerical prefix will be
506 used as score. A symbolic prefix of `a' says to use the `all.SCORE'
507 file for the command instead of the current score file."
508 (interactive (gnus-interactive "P\ny"))
509 (gnus-summary-increase-score (- (gnus-score-delta-default score)) symp))
511 (defun gnus-score-kill-help-buffer ()
512 (when (get-buffer "*Score Help*")
513 (kill-buffer "*Score Help*")
514 (when gnus-score-help-winconf
515 (set-window-configuration gnus-score-help-winconf))))
517 (defun gnus-summary-increase-score (&optional score symp)
518 "Make a score entry based on the current article.
519 The user will be prompted for header to score on, match type,
520 permanence, and the string to be used. The numerical prefix will be
521 used as score. A symbolic prefix of `a' says to use the `all.SCORE'
522 file for the command instead of the current score file."
523 (interactive (gnus-interactive "P\ny"))
524 (let* ((nscore (gnus-score-delta-default score))
525 (prefix (if (< nscore 0) ?L ?I))
526 (increase (> nscore 0))
527 (char-to-header
528 '((?a "from" nil nil string)
529 (?s "subject" nil nil string)
530 (?b "body" "" nil body-string)
531 (?h "head" "" nil body-string)
532 (?i "message-id" nil nil string)
533 (?r "references" "message-id" nil string)
534 (?x "xref" nil nil string)
535 (?e "extra" nil nil string)
536 (?l "lines" nil nil number)
537 (?d "date" nil nil date)
538 (?f "followup" nil nil string)
539 (?t "thread" "message-id" nil string)))
540 (char-to-type
541 '((?s s "substring" string)
542 (?e e "exact string" string)
543 (?f f "fuzzy string" string)
544 (?r r "regexp string" string)
545 (?z s "substring" body-string)
546 (?p r "regexp string" body-string)
547 (?b before "before date" date)
548 (?a after "after date" date)
549 (?n at "this date" date)
550 (?< < "less than number" number)
551 (?> > "greater than number" number)
552 (?= = "equal to number" number)))
553 (current-score-file gnus-current-score-file)
554 (char-to-perm
555 (list (list ?t (current-time-string) "temporary")
556 '(?p perm "permanent") '(?i now "immediate")))
557 (mimic gnus-score-mimic-keymap)
558 (hchar (and gnus-score-default-header
559 (aref (symbol-name gnus-score-default-header) 0)))
560 (tchar (and gnus-score-default-type
561 (aref (symbol-name gnus-score-default-type) 0)))
562 (pchar (and gnus-score-default-duration
563 (aref (symbol-name gnus-score-default-duration) 0)))
564 entry temporary type match extra)
566 (unwind-protect
567 (progn
569 ;; First we read the header to score.
570 (while (not hchar)
571 (if mimic
572 (progn
573 (sit-for 1)
574 (message "%c-" prefix))
575 (message "%s header (%s?): " (if increase "Increase" "Lower")
576 (mapconcat (lambda (s) (char-to-string (car s)))
577 char-to-header "")))
578 (setq hchar (read-char))
579 (when (or (= hchar ??) (= hchar ?\C-h))
580 (setq hchar nil)
581 (gnus-score-insert-help "Match on header" char-to-header 1)))
583 (gnus-score-kill-help-buffer)
584 (unless (setq entry (assq (downcase hchar) char-to-header))
585 (if mimic (error "%c %c" prefix hchar)
586 (error "Invalid header type")))
588 (when (/= (downcase hchar) hchar)
589 ;; This was a majuscule, so we end reading and set the defaults.
590 (if mimic (message "%c %c" prefix hchar) (message ""))
591 (setq tchar (or tchar ?s)
592 pchar (or pchar ?t)))
594 (let ((legal-types
595 (delq nil
596 (mapcar (lambda (s)
597 (if (eq (nth 4 entry)
598 (nth 3 s))
599 s nil))
600 char-to-type))))
601 ;; We continue reading - the type.
602 (while (not tchar)
603 (if mimic
604 (progn
605 (sit-for 1) (message "%c %c-" prefix hchar))
606 (message "%s header '%s' with match type (%s?): "
607 (if increase "Increase" "Lower")
608 (nth 1 entry)
609 (mapconcat (lambda (s) (char-to-string (car s)))
610 legal-types "")))
611 (setq tchar (read-char))
612 (when (or (= tchar ??) (= tchar ?\C-h))
613 (setq tchar nil)
614 (gnus-score-insert-help "Match type" legal-types 2)))
616 (gnus-score-kill-help-buffer)
617 (unless (setq type (nth 1 (assq (downcase tchar) legal-types)))
618 (if mimic (error "%c %c" prefix hchar)
619 (error "Invalid match type"))))
621 (when (/= (downcase tchar) tchar)
622 ;; It was a majuscule, so we end reading and use the default.
623 (if mimic (message "%c %c %c" prefix hchar tchar)
624 (message ""))
625 (setq pchar (or pchar ?t)))
627 ;; We continue reading.
628 (while (not pchar)
629 (if mimic
630 (progn
631 (sit-for 1) (message "%c %c %c-" prefix hchar tchar))
632 (message "%s permanence (%s?): " (if increase "Increase" "Lower")
633 (mapconcat (lambda (s) (char-to-string (car s)))
634 char-to-perm "")))
635 (setq pchar (read-char))
636 (when (or (= pchar ??) (= pchar ?\C-h))
637 (setq pchar nil)
638 (gnus-score-insert-help "Match permanence" char-to-perm 2)))
640 (gnus-score-kill-help-buffer)
641 (if mimic (message "%c %c %c %c" prefix hchar tchar pchar)
642 (message ""))
643 (unless (setq temporary (cadr (assq pchar char-to-perm)))
644 ;; Deal with der(r)ided superannuated paradigms.
645 (when (and (eq (1+ prefix) 77)
646 (eq (+ hchar 12) 109)
647 (eq (1- tchar) 113)
648 (eq (- pchar 4) 111))
649 (error "You rang?"))
650 (if mimic
651 (error "%c %c %c %c" prefix hchar tchar pchar)
652 (error "Invalid match duration"))))
653 ;; Always kill the score help buffer.
654 (gnus-score-kill-help-buffer))
656 ;; If scoring an extra (non-standard overview) header,
657 ;; we must find out which header is in question.
658 (setq extra
659 (and gnus-extra-headers
660 (equal (nth 1 entry) "extra")
661 (intern ; need symbol
662 (gnus-completing-read-with-default
663 (symbol-name (car gnus-extra-headers)) ; default response
664 "Score extra header" ; prompt
665 (mapcar (lambda (x) ; completion list
666 (cons (symbol-name x) x))
667 gnus-extra-headers)
668 nil ; no completion limit
669 t)))) ; require match
670 ;; extra is now nil or a symbol.
672 ;; We have all the data, so we enter this score.
673 (setq match (if (string= (nth 2 entry) "") ""
674 (gnus-summary-header (or (nth 2 entry) (nth 1 entry))
675 nil extra)))
677 ;; Modify the match, perhaps.
678 (cond
679 ((equal (nth 1 entry) "xref")
680 (when (string-match "^Xref: *" match)
681 (setq match (substring match (match-end 0))))
682 (when (string-match "^[^:]* +" match)
683 (setq match (substring match (match-end 0))))))
685 (when (memq type '(r R regexp Regexp))
686 (setq match (regexp-quote match)))
688 ;; Change score file to the "all.SCORE" file.
689 (when (eq symp 'a)
690 (save-excursion
691 (set-buffer gnus-summary-buffer)
692 (gnus-score-load-file
693 ;; This is a kludge; yes...
694 (cond
695 ((eq gnus-score-find-score-files-function
696 'gnus-score-find-hierarchical)
697 (gnus-score-file-name ""))
698 ((eq gnus-score-find-score-files-function 'gnus-score-find-single)
699 current-score-file)
701 (gnus-score-file-name "all"))))))
703 (gnus-summary-score-entry
704 (nth 1 entry) ; Header
705 match ; Match
706 type ; Type
707 (if (eq score 's) nil score) ; Score
708 (if (eq temporary 'perm) ; Temp
710 temporary)
711 (not (nth 3 entry)) ; Prompt
712 nil ; not silent
713 extra) ; non-standard overview.
715 (when (eq symp 'a)
716 ;; We change the score file back to the previous one.
717 (save-excursion
718 (set-buffer gnus-summary-buffer)
719 (gnus-score-load-file current-score-file)))))
721 (defun gnus-score-insert-help (string alist idx)
722 (setq gnus-score-help-winconf (current-window-configuration))
723 (save-excursion
724 (set-buffer (gnus-get-buffer-create "*Score Help*"))
725 (buffer-disable-undo)
726 (delete-windows-on (current-buffer))
727 (erase-buffer)
728 (insert string ":\n\n")
729 (let ((max -1)
730 (list alist)
731 (i 0)
732 n width pad format)
733 ;; find the longest string to display
734 (while list
735 (setq n (length (nth idx (car list))))
736 (unless (> max n)
737 (setq max n))
738 (setq list (cdr list)))
739 (setq max (+ max 4)) ; %c, `:', SPACE, a SPACE at end
740 (setq n (/ (1- (window-width)) max)) ; items per line
741 (setq width (/ (1- (window-width)) n)) ; width of each item
742 ;; insert `n' items, each in a field of width `width'
743 (while alist
744 (if (< i n)
746 (setq i 0)
747 (delete-char -1) ; the `\n' takes a char
748 (insert "\n"))
749 (setq pad (- width 3))
750 (setq format (concat "%c: %-" (int-to-string pad) "s"))
751 (insert (format format (caar alist) (nth idx (car alist))))
752 (setq alist (cdr alist))
753 (setq i (1+ i))))
754 (goto-char (point-min))
755 ;; display ourselves in a small window at the bottom
756 (gnus-appt-select-lowest-window)
757 (if (< (/ (window-height) 2) window-min-height)
758 (switch-to-buffer "*Score Help*")
759 (split-window)
760 (pop-to-buffer "*Score Help*"))
761 (let ((window-min-height 1))
762 (shrink-window-if-larger-than-buffer))
763 (select-window (gnus-get-buffer-window gnus-summary-buffer t))))
765 (defun gnus-summary-header (header &optional no-err extra)
766 ;; Return HEADER for current articles, or error.
767 (let ((article (gnus-summary-article-number))
768 headers)
769 (if article
770 (if (and (setq headers (gnus-summary-article-header article))
771 (vectorp headers))
772 (if extra ; `header' must be "extra"
773 (or (cdr (assq extra (mail-header-extra headers))) "")
774 (aref headers (nth 1 (assoc header gnus-header-index))))
775 (if no-err
777 (error "Pseudo-articles can't be scored")))
778 (if no-err
779 (error "No article on current line")
780 nil))))
782 (defun gnus-newsgroup-score-alist ()
784 (let ((param-file (gnus-group-find-parameter
785 gnus-newsgroup-name 'score-file)))
786 (when param-file
787 (gnus-score-load param-file)))
788 (gnus-score-load
789 (gnus-score-file-name gnus-newsgroup-name)))
790 gnus-score-alist)
792 (defsubst gnus-score-get (symbol &optional alist)
793 ;; Get SYMBOL's definition in ALIST.
794 (cdr (assoc symbol
795 (or alist
796 gnus-score-alist
797 (gnus-newsgroup-score-alist)))))
799 (defun gnus-summary-score-entry (header match type score date
800 &optional prompt silent extra)
801 "Enter score file entry.
802 HEADER is the header being scored.
803 MATCH is the string we are looking for.
804 TYPE is the match type: substring, regexp, exact, fuzzy.
805 SCORE is the score to add.
806 DATE is the expire date, or nil for no expire, or 'now for immediate expire.
807 If optional argument `PROMPT' is non-nil, allow user to edit match.
808 If optional argument `SILENT' is nil, show effect of score entry.
809 If optional argument `EXTRA' is non-nil, it's a non-standard overview header."
810 ;; Regexp is the default type.
811 (when (eq type t)
812 (setq type 'r))
813 ;; Simplify matches...
814 (cond ((or (eq type 'r) (eq type 's) (eq type nil))
815 (setq match (if match (gnus-simplify-subject-re match) "")))
816 ((eq type 'f)
817 (setq match (gnus-simplify-subject-fuzzy match))))
818 (let ((score (gnus-score-delta-default score))
819 (header (downcase header))
820 new)
821 (set-text-properties 0 (length header) nil header)
822 (when prompt
823 (setq match (read-string
824 (format "Match %s on %s, %s: "
825 (cond ((eq date 'now)
826 "now")
827 ((stringp date)
828 "temp")
829 (t "permanent"))
830 header
831 (if (< score 0) "lower" "raise"))
832 (if (numberp match)
833 (int-to-string match)
834 match))))
836 ;; If this is an integer comparison, we transform from string to int.
837 (if (eq (nth 2 (assoc header gnus-header-index)) 'gnus-score-integer)
838 (if (stringp match)
839 (setq match (string-to-number match)))
840 (set-text-properties 0 (length match) nil match))
842 (unless (eq date 'now)
843 ;; Add the score entry to the score file.
844 (when (= score gnus-score-interactive-default-score)
845 (setq score nil))
846 (let ((old (gnus-score-get header))
847 elem)
848 (setq new
849 (cond
850 (extra
851 (list match score
852 (and date (if (numberp date) date
853 (date-to-day date)))
854 type (symbol-name extra)))
855 (type
856 (list match score
857 (and date (if (numberp date) date
858 (date-to-day date)))
859 type))
860 (date (list match score (date-to-day date)))
861 (score (list match score))
862 (t (list match))))
863 ;; We see whether we can collapse some score entries.
864 ;; This isn't quite correct, because there may be more elements
865 ;; later on with the same key that have matching elems... Hm.
866 (if (and old
867 (setq elem (assoc match old))
868 (eq (nth 3 elem) (nth 3 new))
869 (or (and (numberp (nth 2 elem)) (numberp (nth 2 new)))
870 (and (not (nth 2 elem)) (not (nth 2 new)))))
871 ;; Yup, we just add this new score to the old elem.
872 (setcar (cdr elem) (+ (or (nth 1 elem)
873 gnus-score-interactive-default-score)
874 (or (nth 1 new)
875 gnus-score-interactive-default-score)))
876 ;; Nope, we have to add a new elem.
877 (gnus-score-set header (if old (cons new old) (list new)) nil t))
878 (gnus-score-set 'touched '(t))))
880 ;; Score the current buffer.
881 (unless silent
882 (if (and (>= (nth 1 (assoc header gnus-header-index)) 0)
883 (eq (nth 2 (assoc header gnus-header-index))
884 'gnus-score-string))
885 (gnus-summary-score-effect header match type score extra)
886 (gnus-summary-rescore)))
888 ;; Return the new scoring rule.
889 new))
891 (defun gnus-summary-score-effect (header match type score &optional extra)
892 "Simulate the effect of a score file entry.
893 HEADER is the header being scored.
894 MATCH is the string we are looking for.
895 TYPE is the score type.
896 SCORE is the score to add.
897 EXTRA is the possible non-standard header."
898 (interactive (list (completing-read "Header: "
899 gnus-header-index
900 (lambda (x) (fboundp (nth 2 x)))
902 (read-string "Match: ")
903 (if (y-or-n-p "Use regexp match? ") 'r 's)
904 (string-to-number (read-string "Score: "))))
905 (save-excursion
906 (unless (and (stringp match) (> (length match) 0))
907 (error "No match"))
908 (goto-char (point-min))
909 (let ((regexp (cond ((eq type 'f)
910 (gnus-simplify-subject-fuzzy match))
911 ((eq type 'r)
912 match)
913 ((eq type 'e)
914 (concat "\\`" (regexp-quote match) "\\'"))
916 (regexp-quote match)))))
917 (while (not (eobp))
918 (let ((content (gnus-summary-header header 'noerr extra))
919 (case-fold-search t))
920 (and content
921 (when (if (eq type 'f)
922 (string-equal (gnus-simplify-subject-fuzzy content)
923 regexp)
924 (string-match regexp content))
925 (gnus-summary-raise-score score))))
926 (beginning-of-line 2))))
927 (gnus-set-mode-line 'summary))
929 (defun gnus-summary-score-crossposting (score date)
930 ;; Enter score file entry for current crossposting.
931 ;; SCORE is the score to add.
932 ;; DATE is the expire date.
933 (let ((xref (gnus-summary-header "xref"))
934 (start 0)
935 group)
936 (unless xref
937 (error "This article is not crossposted"))
938 (while (string-match " \\([^ \t]+\\):" xref start)
939 (setq start (match-end 0))
940 (when (not (string=
941 (setq group
942 (substring xref (match-beginning 1) (match-end 1)))
943 gnus-newsgroup-name))
944 (gnus-summary-score-entry
945 "xref" (concat " " group ":") nil score date t)))))
949 ;;; Gnus Score Files
952 ;; All score code written by Per Abrahamsen <abraham@iesd.auc.dk>.
954 (defun gnus-score-set-mark-below (score)
955 "Automatically mark articles with score below SCORE as read."
956 (interactive
957 (list (or (and current-prefix-arg (prefix-numeric-value current-prefix-arg))
958 (string-to-number (read-string "Mark below: ")))))
959 (setq score (or score gnus-summary-default-score 0))
960 (gnus-score-set 'mark (list score))
961 (gnus-score-set 'touched '(t))
962 (setq gnus-summary-mark-below score)
963 (gnus-score-update-lines))
965 (defun gnus-score-update-lines ()
966 "Update all lines in the summary buffer."
967 (save-excursion
968 (goto-char (point-min))
969 (while (not (eobp))
970 (gnus-summary-update-line)
971 (forward-line 1))))
973 (defun gnus-score-update-all-lines ()
974 "Update all lines in the summary buffer, even the hidden ones."
975 (save-excursion
976 (goto-char (point-min))
977 (let (hidden)
978 (while (not (eobp))
979 (when (gnus-summary-show-thread)
980 (push (point) hidden))
981 (gnus-summary-update-line)
982 (forward-line 1))
983 ;; Re-hide the hidden threads.
984 (while hidden
985 (goto-char (pop hidden))
986 (gnus-summary-hide-thread)))))
988 (defun gnus-score-set-expunge-below (score)
989 "Automatically expunge articles with score below SCORE."
990 (interactive
991 (list (or (and current-prefix-arg (prefix-numeric-value current-prefix-arg))
992 (string-to-number (read-string "Set expunge below: ")))))
993 (setq score (or score gnus-summary-default-score 0))
994 (gnus-score-set 'expunge (list score))
995 (gnus-score-set 'touched '(t)))
997 (defun gnus-score-followup-article (&optional score)
998 "Add SCORE to all followups to the article in the current buffer."
999 (interactive "P")
1000 (setq score (gnus-score-delta-default score))
1001 (when (gnus-buffer-live-p gnus-summary-buffer)
1002 (save-excursion
1003 (save-restriction
1004 (message-narrow-to-headers)
1005 (let ((id (mail-fetch-field "message-id")))
1006 (when id
1007 (set-buffer gnus-summary-buffer)
1008 (gnus-summary-score-entry
1009 "references" (concat id "[ \t]*$") 'r
1010 score (current-time-string) nil t)))))))
1012 (defun gnus-score-followup-thread (&optional score)
1013 "Add SCORE to all later articles in the thread the current buffer is part of."
1014 (interactive "P")
1015 (setq score (gnus-score-delta-default score))
1016 (when (gnus-buffer-live-p gnus-summary-buffer)
1017 (save-excursion
1018 (save-restriction
1019 (goto-char (point-min))
1020 (let ((id (mail-fetch-field "message-id")))
1021 (when id
1022 (set-buffer gnus-summary-buffer)
1023 (gnus-summary-score-entry
1024 "references" id 's
1025 score (current-time-string))))))))
1027 (defun gnus-score-set (symbol value &optional alist warn)
1028 ;; Set SYMBOL to VALUE in ALIST.
1029 (let* ((alist
1030 (or alist
1031 gnus-score-alist
1032 (gnus-newsgroup-score-alist)))
1033 (entry (assoc symbol alist)))
1034 (cond ((gnus-score-get 'read-only alist)
1035 ;; This is a read-only score file, so we do nothing.
1036 (when warn
1037 (gnus-message 4 "Note: read-only score file; entry discarded")))
1038 (entry
1039 (setcdr entry value))
1040 ((null alist)
1041 (error "Empty alist"))
1043 (setcdr alist
1044 (cons (cons symbol value) (cdr alist)))))))
1046 (defun gnus-summary-raise-score (n)
1047 "Raise the score of the current article by N."
1048 (interactive "p")
1049 (gnus-summary-set-score (+ (gnus-summary-article-score)
1050 (or n gnus-score-interactive-default-score ))))
1052 (defun gnus-summary-set-score (n)
1053 "Set the score of the current article to N."
1054 (interactive "p")
1055 (save-excursion
1056 (gnus-summary-show-thread)
1057 (let ((buffer-read-only nil))
1058 ;; Set score.
1059 (gnus-summary-update-mark
1060 (if (= n (or gnus-summary-default-score 0)) ? ;Whitespace
1061 (if (< n (or gnus-summary-default-score 0))
1062 gnus-score-below-mark gnus-score-over-mark))
1063 'score))
1064 (let* ((article (gnus-summary-article-number))
1065 (score (assq article gnus-newsgroup-scored)))
1066 (if score (setcdr score n)
1067 (push (cons article n) gnus-newsgroup-scored)))
1068 (gnus-summary-update-line)))
1070 (defun gnus-summary-current-score ()
1071 "Return the score of the current article."
1072 (interactive)
1073 (gnus-message 1 "%s" (gnus-summary-article-score)))
1075 (defun gnus-score-change-score-file (file)
1076 "Change current score alist."
1077 (interactive
1078 (list (read-file-name "Change to score file: " gnus-kill-files-directory)))
1079 (gnus-score-load-file file)
1080 (gnus-set-mode-line 'summary))
1082 (defvar gnus-score-edit-exit-function)
1083 (defun gnus-score-edit-current-scores (file)
1084 "Edit the current score alist."
1085 (interactive (list gnus-current-score-file))
1086 (if (not gnus-current-score-file)
1087 (error "No current score file")
1088 (let ((winconf (current-window-configuration)))
1089 (when (buffer-name gnus-summary-buffer)
1090 (gnus-score-save))
1091 (gnus-make-directory (file-name-directory file))
1092 (setq gnus-score-edit-buffer (find-file-noselect file))
1093 (gnus-configure-windows 'edit-score)
1094 (gnus-score-mode)
1095 (setq gnus-score-edit-exit-function 'gnus-score-edit-done)
1096 (make-local-variable 'gnus-prev-winconf)
1097 (setq gnus-prev-winconf winconf))
1098 (gnus-message
1099 4 (substitute-command-keys
1100 "\\<gnus-score-mode-map>\\[gnus-score-edit-exit] to save edits"))))
1102 (defun gnus-score-edit-file (file)
1103 "Edit a score file."
1104 (interactive
1105 (list (read-file-name "Edit score file: " gnus-kill-files-directory)))
1106 (gnus-make-directory (file-name-directory file))
1107 (when (buffer-name gnus-summary-buffer)
1108 (gnus-score-save))
1109 (let ((winconf (current-window-configuration)))
1110 (setq gnus-score-edit-buffer (find-file-noselect file))
1111 (gnus-configure-windows 'edit-score)
1112 (gnus-score-mode)
1113 (setq gnus-score-edit-exit-function 'gnus-score-edit-done)
1114 (make-local-variable 'gnus-prev-winconf)
1115 (setq gnus-prev-winconf winconf))
1116 (gnus-message
1117 4 (substitute-command-keys
1118 "\\<gnus-score-mode-map>\\[gnus-score-edit-exit] to save edits")))
1120 (defun gnus-score-edit-file-at-point (&optional format)
1121 "Edit score file at point in Score Trace buffers.
1122 If FORMAT, also format the current score file."
1123 (let* ((rule (save-excursion
1124 (beginning-of-line)
1125 (read (current-buffer))))
1126 (sep "[ \n\r\t]*")
1127 ;; Must be synced with `gnus-score-find-trace':
1128 (reg " -> +")
1129 (file (save-excursion
1130 (end-of-line)
1131 (if (and (re-search-backward reg (gnus-point-at-bol) t)
1132 (re-search-forward reg (gnus-point-at-eol) t))
1133 (buffer-substring (point) (gnus-point-at-eol))
1134 nil))))
1135 (if (or (not file)
1136 (string-match "\\<\\(non-file rule\\|A file\\)\\>" file)
1137 ;; (see `gnus-score-find-trace' and `gnus-score-advanced')
1138 (string= "" file))
1139 (gnus-error 3 "Can't find a score file in current line.")
1140 (gnus-score-edit-file file)
1141 (when format
1142 (gnus-score-pretty-print))
1143 (when (consp rule) ;; the rule exists
1144 (setq rule (mapconcat #'(lambda (obj)
1145 (regexp-quote (format "%S" obj)))
1146 rule
1147 sep))
1148 (goto-char (point-min))
1149 (re-search-forward rule nil t)
1150 ;; make it easy to use `kill-sexp':
1151 (goto-char (1- (match-beginning 0)))))))
1153 (defun gnus-score-load-file (file)
1154 ;; Load score file FILE. Returns a list a retrieved score-alists.
1155 (let* ((file (expand-file-name
1156 (or (and (string-match
1157 (concat "^" (regexp-quote
1158 (expand-file-name
1159 gnus-kill-files-directory)))
1160 (expand-file-name file))
1161 file)
1162 (expand-file-name file gnus-kill-files-directory))))
1163 (cached (assoc file gnus-score-cache))
1164 (global (member file gnus-internal-global-score-files))
1165 lists alist)
1166 (if cached
1167 ;; The score file was already loaded.
1168 (setq alist (cdr cached))
1169 ;; We load the score file.
1170 (setq gnus-score-alist nil)
1171 (setq alist (gnus-score-load-score-alist file))
1172 ;; We add '(touched) to the alist to signify that it hasn't been
1173 ;; touched (yet).
1174 (unless (assq 'touched alist)
1175 (push (list 'touched nil) alist))
1176 ;; If it is a global score file, we make it read-only.
1177 (and global
1178 (not (assq 'read-only alist))
1179 (push (list 'read-only t) alist))
1180 (push (cons file alist) gnus-score-cache))
1181 (let ((a alist)
1182 found)
1183 (while a
1184 ;; Downcase all header names.
1185 (cond
1186 ((stringp (caar a))
1187 (setcar (car a) (downcase (caar a)))
1188 (setq found t))
1189 ;; Advanced scoring.
1190 ((consp (caar a))
1191 (setq found t)))
1192 (pop a))
1193 ;; If there are actual scores in the alist, we add it to the
1194 ;; return value of this function.
1195 (when found
1196 (setq lists (list alist))))
1197 ;; Treat the other possible atoms in the score alist.
1198 (let ((mark (car (gnus-score-get 'mark alist)))
1199 (expunge (car (gnus-score-get 'expunge alist)))
1200 (mark-and-expunge (car (gnus-score-get 'mark-and-expunge alist)))
1201 (files (gnus-score-get 'files alist))
1202 (exclude-files (gnus-score-get 'exclude-files alist))
1203 (orphan (car (gnus-score-get 'orphan alist)))
1204 (adapt (gnus-score-get 'adapt alist))
1205 (thread-mark-and-expunge
1206 (car (gnus-score-get 'thread-mark-and-expunge alist)))
1207 (adapt-file (car (gnus-score-get 'adapt-file alist)))
1208 (local (gnus-score-get 'local alist))
1209 (decay (car (gnus-score-get 'decay alist)))
1210 (eval (car (gnus-score-get 'eval alist))))
1211 ;; Perform possible decays.
1212 (when (and gnus-decay-scores
1213 (or cached (file-exists-p file))
1214 (or (not decay)
1215 (gnus-decay-scores alist decay)))
1216 (gnus-score-set 'touched '(t) alist)
1217 (gnus-score-set 'decay (list (time-to-days (current-time))) alist))
1218 ;; We do not respect eval and files atoms from global score
1219 ;; files.
1220 (when (and files (not global))
1221 (setq lists (apply 'append lists
1222 (mapcar (lambda (file)
1223 (gnus-score-load-file file))
1224 (if adapt-file (cons adapt-file files)
1225 files)))))
1226 (when (and eval (not global))
1227 (eval eval))
1228 ;; We then expand any exclude-file directives.
1229 (setq gnus-scores-exclude-files
1230 (nconc
1231 (apply
1232 'nconc
1233 (mapcar
1234 (lambda (sfile)
1235 (list
1236 (expand-file-name sfile (file-name-directory file))
1237 (expand-file-name sfile gnus-kill-files-directory)))
1238 exclude-files))
1239 gnus-scores-exclude-files))
1240 (when local
1241 (save-excursion
1242 (set-buffer gnus-summary-buffer)
1243 (while local
1244 (and (consp (car local))
1245 (symbolp (caar local))
1246 (progn
1247 (make-local-variable (caar local))
1248 (set (caar local) (nth 1 (car local)))))
1249 (setq local (cdr local)))))
1250 (when orphan
1251 (setq gnus-orphan-score orphan))
1252 (setq gnus-adaptive-score-alist
1253 (cond ((equal adapt '(t))
1254 (setq gnus-newsgroup-adaptive t)
1255 gnus-default-adaptive-score-alist)
1256 ((equal adapt '(ignore))
1257 (setq gnus-newsgroup-adaptive nil))
1258 ((consp adapt)
1259 (setq gnus-newsgroup-adaptive t)
1260 adapt)
1262 gnus-default-adaptive-score-alist)))
1263 (setq gnus-thread-expunge-below
1264 (or thread-mark-and-expunge gnus-thread-expunge-below))
1265 (setq gnus-summary-mark-below
1266 (or mark mark-and-expunge gnus-summary-mark-below))
1267 (setq gnus-summary-expunge-below
1268 (or expunge mark-and-expunge gnus-summary-expunge-below))
1269 (setq gnus-newsgroup-adaptive-score-file
1270 (or adapt-file gnus-newsgroup-adaptive-score-file)))
1271 (setq gnus-current-score-file file)
1272 (setq gnus-score-alist alist)
1273 lists))
1275 (defun gnus-score-load (file)
1276 ;; Load score FILE.
1277 (let ((cache (assoc file gnus-score-cache)))
1278 (if cache
1279 (setq gnus-score-alist (cdr cache))
1280 (setq gnus-score-alist nil)
1281 (gnus-score-load-score-alist file)
1282 (unless gnus-score-alist
1283 (setq gnus-score-alist (copy-alist '((touched nil)))))
1284 (push (cons file gnus-score-alist) gnus-score-cache))))
1286 (defun gnus-score-remove-from-cache (file)
1287 (setq gnus-score-cache
1288 (delq (assoc file gnus-score-cache) gnus-score-cache)))
1290 (defun gnus-score-load-score-alist (file)
1291 "Read score FILE."
1292 (let (alist)
1293 (if (not (file-readable-p file))
1294 ;; Couldn't read file.
1295 (setq gnus-score-alist nil)
1296 ;; Read file.
1297 (with-temp-buffer
1298 (let ((coding-system-for-read score-mode-coding-system))
1299 (insert-file-contents file))
1300 (goto-char (point-min))
1301 ;; Only do the loading if the score file isn't empty.
1302 (when (save-excursion (re-search-forward "[()0-9a-zA-Z]" nil t))
1303 (setq alist
1304 (condition-case ()
1305 (read (current-buffer))
1306 (error
1307 (gnus-error 3.2 "Problem with score file %s" file))))))
1308 (cond
1309 ((and alist
1310 (atom alist))
1311 ;; Bogus score file.
1312 (error "Invalid syntax with score file %s" file))
1313 ((eq (car alist) 'setq)
1314 ;; This is an old-style score file.
1315 (setq gnus-score-alist (gnus-score-transform-old-to-new alist)))
1317 (setq gnus-score-alist alist)))
1318 ;; Check the syntax of the score file.
1319 (setq gnus-score-alist
1320 (gnus-score-check-syntax gnus-score-alist file)))))
1322 (defun gnus-score-check-syntax (alist file)
1323 "Check the syntax of the score ALIST."
1324 (cond
1325 ((null alist)
1326 nil)
1327 ((not (consp alist))
1328 (gnus-message 1 "Score file is not a list: %s" file)
1329 (ding)
1330 nil)
1332 (let ((a alist)
1333 sr err s type)
1334 (while (and a (not err))
1335 (setq
1337 (cond
1338 ((not (listp (car a)))
1339 (format "Invalid score element %s in %s" (car a) file))
1340 ((stringp (caar a))
1341 (cond
1342 ((not (listp (setq sr (cdar a))))
1343 (format "Invalid header match %s in %s" (nth 1 (car a)) file))
1345 (setq type (caar a))
1346 (while (and sr (not err))
1347 (setq s (pop sr))
1348 (setq
1350 (cond
1351 ((if (member (downcase type) '("lines" "chars"))
1352 (not (numberp (car s)))
1353 (not (stringp (car s))))
1354 (format "Invalid match %s in %s" (car s) file))
1355 ((and (cadr s) (not (integerp (cadr s))))
1356 (format "Non-integer score %s in %s" (cadr s) file))
1357 ((and (caddr s) (not (integerp (caddr s))))
1358 (format "Non-integer date %s in %s" (caddr s) file))
1359 ((and (cadddr s) (not (symbolp (cadddr s))))
1360 (format "Non-symbol match type %s in %s" (cadddr s) file)))))
1361 err)))))
1362 (setq a (cdr a)))
1363 (if err
1364 (progn
1365 (ding)
1366 (gnus-message 3 err)
1367 (sit-for 2)
1368 nil)
1369 alist)))))
1371 (defun gnus-score-transform-old-to-new (alist)
1372 (let* ((alist (nth 2 alist))
1373 out entry)
1374 (when (eq (car alist) 'quote)
1375 (setq alist (nth 1 alist)))
1376 (while alist
1377 (setq entry (car alist))
1378 (if (stringp (car entry))
1379 (let ((scor (cdr entry)))
1380 (push entry out)
1381 (while scor
1382 (setcar scor
1383 (list (caar scor) (nth 2 (car scor))
1384 (and (nth 3 (car scor))
1385 (date-to-day (nth 3 (car scor))))
1386 (if (nth 1 (car scor)) 'r 's)))
1387 (setq scor (cdr scor))))
1388 (push (if (not (listp (cdr entry)))
1389 (list (car entry) (cdr entry))
1390 entry)
1391 out))
1392 (setq alist (cdr alist)))
1393 (cons (list 'touched t) (nreverse out))))
1395 (defun gnus-score-save ()
1396 ;; Save all score information.
1397 (let ((cache gnus-score-cache)
1398 entry score file)
1399 (save-excursion
1400 (setq gnus-score-alist nil)
1401 (nnheader-set-temp-buffer " *Gnus Scores*")
1402 (while cache
1403 (current-buffer)
1404 (setq entry (pop cache)
1405 file (nnheader-translate-file-chars (car entry) t)
1406 score (cdr entry))
1407 (if (or (not (equal (gnus-score-get 'touched score) '(t)))
1408 (gnus-score-get 'read-only score)
1409 (and (file-exists-p file)
1410 (not (file-writable-p file))))
1412 (setq score (setcdr entry (gnus-delete-alist 'touched score)))
1413 (erase-buffer)
1414 (let (emacs-lisp-mode-hook)
1415 (if (string-match
1416 (concat (regexp-quote gnus-adaptive-file-suffix) "$")
1417 file)
1418 ;; This is an adaptive score file, so we do not run
1419 ;; it through `pp'. These files can get huge, and
1420 ;; are not meant to be edited by human hands.
1421 (gnus-prin1 score)
1422 ;; This is a normal score file, so we print it very
1423 ;; prettily.
1424 (let ((lisp-mode-syntax-table score-mode-syntax-table))
1425 (gnus-pp score))))
1426 (gnus-make-directory (file-name-directory file))
1427 ;; If the score file is empty, we delete it.
1428 (if (zerop (buffer-size))
1429 (delete-file file)
1430 ;; There are scores, so we write the file.
1431 (when (file-writable-p file)
1432 (let ((coding-system-for-write score-mode-coding-system))
1433 (gnus-write-buffer file))
1434 (when gnus-score-after-write-file-function
1435 (funcall gnus-score-after-write-file-function file)))))
1436 (and gnus-score-uncacheable-files
1437 (string-match gnus-score-uncacheable-files file)
1438 (gnus-score-remove-from-cache file)))
1439 (kill-buffer (current-buffer)))))
1441 (defun gnus-score-load-files (score-files)
1442 "Load all score files in SCORE-FILES."
1443 ;; Load the score files.
1444 (let (scores)
1445 (while score-files
1446 (if (stringp (car score-files))
1447 ;; It is a string, which means that it's a score file name,
1448 ;; so we load the score file and add the score alist to
1449 ;; the list of alists.
1450 (setq scores (nconc (gnus-score-load-file (car score-files)) scores))
1451 ;; It is an alist, so we just add it to the list directly.
1452 (setq scores (nconc (car score-files) scores)))
1453 (setq score-files (cdr score-files)))
1454 ;; Prune the score files that are to be excluded, if any.
1455 (when gnus-scores-exclude-files
1456 (let ((s scores)
1458 (while s
1459 (and (setq c (rassq (car s) gnus-score-cache))
1460 (member (car c) gnus-scores-exclude-files)
1461 (setq scores (delq (car s) scores)))
1462 (setq s (cdr s)))))
1463 scores))
1465 (defun gnus-score-headers (score-files &optional trace)
1466 ;; Score `gnus-newsgroup-headers'.
1467 (let (scores news)
1468 ;; PLM: probably this is not the best place to clear orphan-score
1469 (setq gnus-orphan-score nil
1470 gnus-scores-articles nil
1471 gnus-scores-exclude-files nil
1472 scores (gnus-score-load-files score-files))
1473 (setq news scores)
1474 ;; Do the scoring.
1475 (while news
1476 (setq scores news
1477 news nil)
1478 (when (and gnus-summary-default-score
1479 scores)
1480 (let* ((entries gnus-header-index)
1481 (now (date-to-day (current-time-string)))
1482 (expire (and gnus-score-expiry-days
1483 (- now gnus-score-expiry-days)))
1484 (headers gnus-newsgroup-headers)
1485 (current-score-file gnus-current-score-file)
1486 entry header new)
1487 (gnus-message 7 "Scoring...")
1488 ;; Create articles, an alist of the form `(HEADER . SCORE)'.
1489 (while (setq header (pop headers))
1490 ;; WARNING: The assq makes the function O(N*S) while it could
1491 ;; be written as O(N+S), where N is (length gnus-newsgroup-headers)
1492 ;; and S is (length gnus-newsgroup-scored).
1493 (unless (assq (mail-header-number header) gnus-newsgroup-scored)
1494 (setq gnus-scores-articles ;Total of 2 * N cons-cells used.
1495 (cons (cons header (or gnus-summary-default-score 0))
1496 gnus-scores-articles))))
1498 (save-excursion
1499 (set-buffer (gnus-get-buffer-create "*Headers*"))
1500 (buffer-disable-undo)
1501 (when (gnus-buffer-live-p gnus-summary-buffer)
1502 (message-clone-locals gnus-summary-buffer))
1504 ;; Set the global variant of this variable.
1505 (setq gnus-current-score-file current-score-file)
1506 ;; score orphans
1507 (when gnus-orphan-score
1508 (setq gnus-score-index
1509 (nth 1 (assoc "references" gnus-header-index)))
1510 (gnus-score-orphans gnus-orphan-score))
1511 ;; Run each header through the score process.
1512 (while entries
1513 (setq entry (pop entries)
1514 header (nth 0 entry)
1515 gnus-score-index (nth 1 (assoc header gnus-header-index)))
1516 (when (< 0 (apply 'max (mapcar
1517 (lambda (score)
1518 (length (gnus-score-get header score)))
1519 scores)))
1520 ;; Call the scoring function for this type of "header".
1521 (when (setq new (funcall (nth 2 entry) scores header
1522 now expire trace))
1523 (push new news))))
1524 (when (gnus-buffer-live-p gnus-summary-buffer)
1525 (let ((scored gnus-newsgroup-scored))
1526 (with-current-buffer gnus-summary-buffer
1527 (setq gnus-newsgroup-scored scored))))
1528 ;; Remove the buffer.
1529 (gnus-kill-buffer (current-buffer)))
1531 ;; Add articles to `gnus-newsgroup-scored'.
1532 (while gnus-scores-articles
1533 (when (or (/= gnus-summary-default-score
1534 (cdar gnus-scores-articles))
1535 gnus-save-score)
1536 (push (cons (mail-header-number (caar gnus-scores-articles))
1537 (cdar gnus-scores-articles))
1538 gnus-newsgroup-scored))
1539 (setq gnus-scores-articles (cdr gnus-scores-articles)))
1541 (let (score)
1542 (while (setq score (pop scores))
1543 (while score
1544 (when (consp (caar score))
1545 (gnus-score-advanced (car score) trace))
1546 (pop score))))
1548 (gnus-message 7 "Scoring...done"))))))
1550 (defun gnus-score-lower-thread (thread score-adjust)
1551 "Lower the score on THREAD with SCORE-ADJUST.
1552 THREAD is expected to contain a list of the form `(PARENT [CHILD1
1553 CHILD2 ...])' where PARENT is a header array and each CHILD is a list
1554 of the same form as THREAD. The empty list nil is valid. For each
1555 article in the tree, the score of the corresponding entry in
1556 `gnus-newsgroup-scored' is adjusted by SCORE-ADJUST."
1557 (while thread
1558 (let ((head (car thread)))
1559 (if (listp head)
1560 ;; handle a child and its descendants
1561 (gnus-score-lower-thread head score-adjust)
1562 ;; handle the parent
1563 (let* ((article (mail-header-number head))
1564 (score (assq article gnus-newsgroup-scored)))
1565 (if score (setcdr score (+ (cdr score) score-adjust))
1566 (push (cons article score-adjust) gnus-newsgroup-scored)))))
1567 (setq thread (cdr thread))))
1569 (defun gnus-score-orphans (score)
1570 "Score orphans.
1571 A root is an article with no references. An orphan is an article
1572 which has references, but is not connected via its references to a
1573 root article. This function finds all the orphans, and adjusts their
1574 score in `gnus-newsgroup-scored' by SCORE."
1575 ;; gnus-make-threads produces a list, where each entry is a "thread"
1576 ;; as described in the gnus-score-lower-thread docs. This function
1577 ;; will be called again (after limiting has been done) if the display
1578 ;; is threaded. It would be nice to somehow save this info and use
1579 ;; it later.
1580 (dolist (thread (gnus-make-threads))
1581 (let ((id (aref (car thread) gnus-score-index)))
1582 ;; If the parent of the thread is not a root, lower the score of
1583 ;; it and its descendants. Note that some roots seem to satisfy
1584 ;; (eq id nil) and some (eq id ""); not sure why.
1585 (when (and id
1586 (not (string= id "")))
1587 (gnus-score-lower-thread thread score)))))
1589 (defun gnus-score-integer (scores header now expire &optional trace)
1590 (let ((gnus-score-index (nth 1 (assoc header gnus-header-index)))
1591 entries alist)
1592 ;; Find matches.
1593 (while scores
1594 (setq alist (car scores)
1595 scores (cdr scores)
1596 entries (assoc header alist))
1597 (while (cdr entries) ;First entry is the header index.
1598 (let* ((rest (cdr entries))
1599 (kill (car rest))
1600 (match (nth 0 kill))
1601 (type (or (nth 3 kill) '>))
1602 (score (or (nth 1 kill) gnus-score-interactive-default-score))
1603 (date (nth 2 kill))
1604 (found nil)
1605 (match-func (if (or (eq type '>) (eq type '<) (eq type '<=)
1606 (eq type '>=) (eq type '=))
1607 type
1608 (error "Invalid match type: %s" type)))
1609 (articles gnus-scores-articles))
1610 ;; Instead of doing all the clever stuff that
1611 ;; `gnus-score-string' does to minimize searches and stuff,
1612 ;; I will assume that people generally will put so few
1613 ;; matches on numbers that any cleverness will take more
1614 ;; time than one would gain.
1615 (while articles
1616 (when (funcall match-func
1617 (or (aref (caar articles) gnus-score-index) 0)
1618 match)
1619 (when trace
1620 (push (cons (car-safe (rassq alist gnus-score-cache)) kill)
1621 gnus-score-trace))
1622 (setq found t)
1623 (setcdr (car articles) (+ score (cdar articles))))
1624 (setq articles (cdr articles)))
1625 ;; Update expire date
1626 (cond ((null date)) ;Permanent entry.
1627 ((and found gnus-update-score-entry-dates) ;Match, update date.
1628 (gnus-score-set 'touched '(t) alist)
1629 (setcar (nthcdr 2 kill) now))
1630 ((and expire (< date expire)) ;Old entry, remove.
1631 (gnus-score-set 'touched '(t) alist)
1632 (setcdr entries (cdr rest))
1633 (setq rest entries)))
1634 (setq entries rest)))))
1635 nil)
1637 (defun gnus-score-date (scores header now expire &optional trace)
1638 (let ((gnus-score-index (nth 1 (assoc header gnus-header-index)))
1639 entries alist match match-func article)
1640 ;; Find matches.
1641 (while scores
1642 (setq alist (car scores)
1643 scores (cdr scores)
1644 entries (assoc header alist))
1645 (while (cdr entries) ;First entry is the header index.
1646 (let* ((rest (cdr entries))
1647 (kill (car rest))
1648 (type (or (nth 3 kill) 'before))
1649 (score (or (nth 1 kill) gnus-score-interactive-default-score))
1650 (date (nth 2 kill))
1651 (found nil)
1652 (articles gnus-scores-articles)
1654 (cond
1655 ((eq type 'after)
1656 (setq match-func 'string<
1657 match (gnus-date-iso8601 (nth 0 kill))))
1658 ((eq type 'before)
1659 (setq match-func 'gnus-string>
1660 match (gnus-date-iso8601 (nth 0 kill))))
1661 ((eq type 'at)
1662 (setq match-func 'string=
1663 match (gnus-date-iso8601 (nth 0 kill))))
1664 ((eq type 'regexp)
1665 (setq match-func 'string-match
1666 match (nth 0 kill)))
1667 (t (error "Invalid match type: %s" type)))
1668 ;; Instead of doing all the clever stuff that
1669 ;; `gnus-score-string' does to minimize searches and stuff,
1670 ;; I will assume that people generally will put so few
1671 ;; matches on numbers that any cleverness will take more
1672 ;; time than one would gain.
1673 (while (setq article (pop articles))
1674 (when (and
1675 (setq l (aref (car article) gnus-score-index))
1676 (funcall match-func match (gnus-date-iso8601 l)))
1677 (when trace
1678 (push (cons (car-safe (rassq alist gnus-score-cache)) kill)
1679 gnus-score-trace))
1680 (setq found t)
1681 (setcdr article (+ score (cdr article)))))
1682 ;; Update expire date
1683 (cond ((null date)) ;Permanent entry.
1684 ((and found gnus-update-score-entry-dates) ;Match, update date.
1685 (gnus-score-set 'touched '(t) alist)
1686 (setcar (nthcdr 2 kill) now))
1687 ((and expire (< date expire)) ;Old entry, remove.
1688 (gnus-score-set 'touched '(t) alist)
1689 (setcdr entries (cdr rest))
1690 (setq rest entries)))
1691 (setq entries rest)))))
1692 nil)
1694 (defun gnus-score-body (scores header now expire &optional trace)
1695 (if gnus-agent-fetching
1697 (save-excursion
1698 (setq gnus-scores-articles
1699 (sort gnus-scores-articles
1700 (lambda (a1 a2)
1701 (< (mail-header-number (car a1))
1702 (mail-header-number (car a2))))))
1703 (set-buffer nntp-server-buffer)
1704 (save-restriction
1705 (let* ((buffer-read-only nil)
1706 (articles gnus-scores-articles)
1707 (all-scores scores)
1708 (request-func (cond ((string= "head" header)
1709 'gnus-request-head)
1710 ((string= "body" header)
1711 'gnus-request-body)
1712 (t 'gnus-request-article)))
1713 entries alist ofunc article last)
1714 (when articles
1715 (setq last (mail-header-number (caar (last articles))))
1716 ;; Not all backends support partial fetching. In that case,
1717 ;; we just fetch the entire article.
1718 (unless (gnus-check-backend-function
1719 (and (string-match "^gnus-" (symbol-name request-func))
1720 (intern (substring (symbol-name request-func)
1721 (match-end 0))))
1722 gnus-newsgroup-name)
1723 (setq ofunc request-func)
1724 (setq request-func 'gnus-request-article))
1725 (while articles
1726 (setq article (mail-header-number (caar articles)))
1727 (gnus-message 7 "Scoring article %s of %s..." article last)
1728 (widen)
1729 (when (funcall request-func article gnus-newsgroup-name)
1730 (goto-char (point-min))
1731 ;; If just parts of the article is to be searched, but the
1732 ;; backend didn't support partial fetching, we just narrow
1733 ;; to the relevant parts.
1734 (when ofunc
1735 (if (eq ofunc 'gnus-request-head)
1736 (narrow-to-region
1737 (point)
1738 (or (search-forward "\n\n" nil t) (point-max)))
1739 (narrow-to-region
1740 (or (search-forward "\n\n" nil t) (point))
1741 (point-max))))
1742 (setq scores all-scores)
1743 ;; Find matches.
1744 (while scores
1745 (setq alist (pop scores)
1746 entries (assoc header alist))
1747 (while (cdr entries) ;First entry is the header index.
1748 (let* ((rest (cdr entries))
1749 (kill (car rest))
1750 (match (nth 0 kill))
1751 (type (or (nth 3 kill) 's))
1752 (score (or (nth 1 kill)
1753 gnus-score-interactive-default-score))
1754 (date (nth 2 kill))
1755 (found nil)
1756 (case-fold-search
1757 (not (or (eq type 'R) (eq type 'S)
1758 (eq type 'Regexp) (eq type 'String))))
1759 (search-func
1760 (cond ((or (eq type 'r) (eq type 'R)
1761 (eq type 'regexp) (eq type 'Regexp))
1762 're-search-forward)
1763 ((or (eq type 's) (eq type 'S)
1764 (eq type 'string) (eq type 'String))
1765 'search-forward)
1767 (error "Invalid match type: %s" type)))))
1768 (goto-char (point-min))
1769 (when (funcall search-func match nil t)
1770 ;; Found a match, update scores.
1771 (setcdr (car articles) (+ score (cdar articles)))
1772 (setq found t)
1773 (when trace
1774 (push
1775 (cons (car-safe (rassq alist gnus-score-cache))
1776 kill)
1777 gnus-score-trace)))
1778 ;; Update expire date
1779 (unless trace
1780 (cond
1781 ((null date)) ;Permanent entry.
1782 ((and found gnus-update-score-entry-dates)
1783 ;; Match, update date.
1784 (gnus-score-set 'touched '(t) alist)
1785 (setcar (nthcdr 2 kill) now))
1786 ((and expire (< date expire)) ;Old entry, remove.
1787 (gnus-score-set 'touched '(t) alist)
1788 (setcdr entries (cdr rest))
1789 (setq rest entries))))
1790 (setq entries rest)))))
1791 (setq articles (cdr articles)))))))
1792 nil))
1794 (defun gnus-score-thread (scores header now expire &optional trace)
1795 (gnus-score-followup scores header now expire trace t))
1797 (defun gnus-score-followup (scores header now expire &optional trace thread)
1798 (if gnus-agent-fetching
1799 ;; FIXME: It seems doable in fetching mode.
1801 ;; Insert the unique article headers in the buffer.
1802 (let ((gnus-score-index (nth 1 (assoc header gnus-header-index)))
1803 (current-score-file gnus-current-score-file)
1804 (all-scores scores)
1805 ;; gnus-score-index is used as a free variable.
1806 alike last this art entries alist articles
1807 new news)
1809 ;; Change score file to the adaptive score file. All entries that
1810 ;; this function makes will be put into this file.
1811 (save-excursion
1812 (set-buffer gnus-summary-buffer)
1813 (gnus-score-load-file
1814 (or gnus-newsgroup-adaptive-score-file
1815 (gnus-score-file-name
1816 gnus-newsgroup-name gnus-adaptive-file-suffix))))
1818 (setq gnus-scores-articles (sort gnus-scores-articles
1819 'gnus-score-string<)
1820 articles gnus-scores-articles)
1822 (erase-buffer)
1823 (while articles
1824 (setq art (car articles)
1825 this (aref (car art) gnus-score-index)
1826 articles (cdr articles))
1827 (if (equal last this)
1828 (push art alike)
1829 (when last
1830 (insert last ?\n)
1831 (put-text-property (1- (point)) (point) 'articles alike))
1832 (setq alike (list art)
1833 last this)))
1834 (when last ; Bwadr, duplicate code.
1835 (insert last ?\n)
1836 (put-text-property (1- (point)) (point) 'articles alike))
1838 ;; Find matches.
1839 (while scores
1840 (setq alist (car scores)
1841 scores (cdr scores)
1842 entries (assoc header alist))
1843 (while (cdr entries) ;First entry is the header index.
1844 (let* ((rest (cdr entries))
1845 (kill (car rest))
1846 (match (nth 0 kill))
1847 (type (or (nth 3 kill) 's))
1848 (score (or (nth 1 kill) gnus-score-interactive-default-score))
1849 (date (nth 2 kill))
1850 (found nil)
1851 (mt (aref (symbol-name type) 0))
1852 (case-fold-search
1853 (not (or (= mt ?R) (= mt ?S) (= mt ?E) (= mt ?F))))
1854 (dmt (downcase mt))
1855 (search-func
1856 (cond ((= dmt ?r) 're-search-forward)
1857 ((or (= dmt ?e) (= dmt ?s) (= dmt ?f)) 'search-forward)
1858 (t (error "Invalid match type: %s" type))))
1859 arts art)
1860 (goto-char (point-min))
1861 (if (= dmt ?e)
1862 (while (funcall search-func match nil t)
1863 (and (= (gnus-point-at-bol)
1864 (match-beginning 0))
1865 (= (progn (end-of-line) (point))
1866 (match-end 0))
1867 (progn
1868 (setq found (setq arts (get-text-property
1869 (point) 'articles)))
1870 ;; Found a match, update scores.
1871 (while arts
1872 (setq art (car arts)
1873 arts (cdr arts))
1874 (gnus-score-add-followups
1875 (car art) score all-scores thread))))
1876 (end-of-line))
1877 (while (funcall search-func match nil t)
1878 (end-of-line)
1879 (setq found (setq arts (get-text-property (point) 'articles)))
1880 ;; Found a match, update scores.
1881 (while (setq art (pop arts))
1882 (setcdr art (+ score (cdr art)))
1883 (when trace
1884 (push (cons
1885 (car-safe (rassq alist gnus-score-cache))
1886 kill)
1887 gnus-score-trace))
1888 (when (setq new (gnus-score-add-followups
1889 (car art) score all-scores thread))
1890 (push new news)))))
1891 ;; Update expire date
1892 (cond ((null date)) ;Permanent entry.
1893 ((and found gnus-update-score-entry-dates)
1894 ;Match, update date.
1895 (gnus-score-set 'touched '(t) alist)
1896 (setcar (nthcdr 2 kill) now))
1897 ((and expire (< date expire)) ;Old entry, remove.
1898 (gnus-score-set 'touched '(t) alist)
1899 (setcdr entries (cdr rest))
1900 (setq rest entries)))
1901 (setq entries rest))))
1902 ;; We change the score file back to the previous one.
1903 (save-excursion
1904 (set-buffer gnus-summary-buffer)
1905 (gnus-score-load-file current-score-file))
1906 (list (cons "references" news)))))
1908 (defun gnus-score-add-followups (header score scores &optional thread)
1909 "Add a score entry to the adapt file."
1910 (save-excursion
1911 (set-buffer gnus-summary-buffer)
1912 (let* ((id (mail-header-id header))
1913 (scores (car scores))
1914 entry dont)
1915 ;; Don't enter a score if there already is one.
1916 (while (setq entry (pop scores))
1917 (and (equal "references" (car entry))
1918 (or (null (nth 3 (cadr entry)))
1919 (eq 's (nth 3 (cadr entry))))
1920 (assoc id entry)
1921 (setq dont t)))
1922 (unless dont
1923 (gnus-summary-score-entry
1924 (if thread "thread" "references")
1925 id 's score (current-time-string) nil t)))))
1927 (defun gnus-score-string (score-list header now expire &optional trace)
1928 ;; Score ARTICLES according to HEADER in SCORE-LIST.
1929 ;; Update matching entries to NOW and remove unmatched entries older
1930 ;; than EXPIRE.
1932 ;; Insert the unique article headers in the buffer.
1933 (let ((gnus-score-index (nth 1 (assoc header gnus-header-index)))
1934 ;; gnus-score-index is used as a free variable.
1935 (simplify (and gnus-score-thread-simplify
1936 (string= "subject" header)))
1937 alike last this art entries alist articles
1938 fuzzies arts words kill)
1940 ;; Sorting the articles costs os O(N*log N) but will allow us to
1941 ;; only match with each unique header. Thus the actual matching
1942 ;; will be O(M*U) where M is the number of strings to match with,
1943 ;; and U is the number of unique headers. It is assumed (but
1944 ;; untested) this will be a net win because of the large constant
1945 ;; factor involved with string matching.
1946 (setq gnus-scores-articles
1947 ;; We cannot string-sort the extra headers list. *sigh*
1948 (if (= gnus-score-index 9)
1949 gnus-scores-articles
1950 (sort gnus-scores-articles 'gnus-score-string<))
1951 articles gnus-scores-articles)
1953 (erase-buffer)
1954 (while (setq art (pop articles))
1955 (setq this (aref (car art) gnus-score-index))
1957 ;; If we're working with non-standard headers, we are stuck
1958 ;; with working on them as a group. What a hassle.
1959 ;; Just wait 'til you see what horrors we commit against `match'...
1960 (if (= gnus-score-index 9)
1961 (setq this (gnus-prin1-to-string this))) ; ick.
1963 (if simplify
1964 (setq this (gnus-map-function gnus-simplify-subject-functions this)))
1965 (if (equal last this)
1966 ;; O(N*H) cons-cells used here, where H is the number of
1967 ;; headers.
1968 (push art alike)
1969 (when last
1970 ;; Insert the line, with a text property on the
1971 ;; terminating newline referring to the articles with
1972 ;; this line.
1973 (insert last ?\n)
1974 (put-text-property (1- (point)) (point) 'articles alike))
1975 (setq alike (list art)
1976 last this)))
1977 (when last ; Bwadr, duplicate code.
1978 (insert last ?\n)
1979 (put-text-property (1- (point)) (point) 'articles alike))
1981 ;; Go through all the score alists and pick out the entries
1982 ;; for this header.
1983 (while score-list
1984 (setq alist (pop score-list)
1985 ;; There's only one instance of this header for
1986 ;; each score alist.
1987 entries (assoc header alist))
1988 (while (cdr entries) ;First entry is the header index.
1989 (let* ((kill (cadr entries))
1990 (type (or (nth 3 kill) 's))
1991 (score (or (nth 1 kill) gnus-score-interactive-default-score))
1992 (date (nth 2 kill))
1993 (extra (nth 4 kill)) ; non-standard header; string.
1994 (found nil)
1995 (mt (aref (symbol-name type) 0))
1996 (case-fold-search (not (memq mt '(?R ?S ?E ?F))))
1997 (dmt (downcase mt))
1998 ;; Assume user already simplified regexp and fuzzies
1999 (match (if (and simplify (not (memq dmt '(?f ?r))))
2000 (gnus-map-function
2001 gnus-simplify-subject-functions
2002 (nth 0 kill))
2003 (nth 0 kill)))
2004 (search-func
2005 (cond ((= dmt ?r) 're-search-forward)
2006 ((or (= dmt ?e) (= dmt ?s) (= dmt ?f)) 'search-forward)
2007 ((= dmt ?w) nil)
2008 (t (error "Invalid match type: %s" type)))))
2010 ;; Evil hackery to make match usable in non-standard headers.
2011 (when extra
2012 (setq match (concat "[ (](" extra " \\. \"[^)]*"
2013 match "[^\"]*\")[ )]")
2014 search-func 're-search-forward)) ; XXX danger?!?
2016 (cond
2017 ;; Fuzzy matches. We save these for later.
2018 ((= dmt ?f)
2019 (push (cons entries alist) fuzzies)
2020 (setq entries (cdr entries)))
2021 ;; Word matches. Save these for even later.
2022 ((= dmt ?w)
2023 (push (cons entries alist) words)
2024 (setq entries (cdr entries)))
2025 ;; Exact matches.
2026 ((= dmt ?e)
2027 ;; Do exact matching.
2028 (goto-char (point-min))
2029 (while (and (not (eobp))
2030 (funcall search-func match nil t))
2031 ;; Is it really exact?
2032 (and (eolp)
2033 (= (gnus-point-at-bol) (match-beginning 0))
2034 ;; Yup.
2035 (progn
2036 (setq found (setq arts (get-text-property
2037 (point) 'articles)))
2038 ;; Found a match, update scores.
2039 (if trace
2040 (while (setq art (pop arts))
2041 (setcdr art (+ score (cdr art)))
2042 (push
2043 (cons
2044 (car-safe (rassq alist gnus-score-cache))
2045 kill)
2046 gnus-score-trace))
2047 (while (setq art (pop arts))
2048 (setcdr art (+ score (cdr art)))))))
2049 (forward-line 1))
2050 ;; Update expiry date
2051 (if trace
2052 (setq entries (cdr entries))
2053 (cond
2054 ;; Permanent entry.
2055 ((null date)
2056 (setq entries (cdr entries)))
2057 ;; We have a match, so we update the date.
2058 ((and found gnus-update-score-entry-dates)
2059 (gnus-score-set 'touched '(t) alist)
2060 (setcar (nthcdr 2 kill) now)
2061 (setq entries (cdr entries)))
2062 ;; This entry has expired, so we remove it.
2063 ((and expire (< date expire))
2064 (gnus-score-set 'touched '(t) alist)
2065 (setcdr entries (cddr entries)))
2066 ;; No match; go to next entry.
2068 (setq entries (cdr entries))))))
2069 ;; Regexp and substring matching.
2071 (goto-char (point-min))
2072 (when (string= match "")
2073 (setq match "\n"))
2074 (while (and (not (eobp))
2075 (funcall search-func match nil t))
2076 (goto-char (match-beginning 0))
2077 (end-of-line)
2078 (setq found (setq arts (get-text-property (point) 'articles)))
2079 ;; Found a match, update scores.
2080 (if trace
2081 (while (setq art (pop arts))
2082 (setcdr art (+ score (cdr art)))
2083 (push (cons (car-safe (rassq alist gnus-score-cache)) kill)
2084 gnus-score-trace))
2085 (while (setq art (pop arts))
2086 (setcdr art (+ score (cdr art)))))
2087 (forward-line 1))
2088 ;; Update expiry date
2089 (if trace
2090 (setq entries (cdr entries))
2091 (cond
2092 ;; Permanent entry.
2093 ((null date)
2094 (setq entries (cdr entries)))
2095 ;; We have a match, so we update the date.
2096 ((and found gnus-update-score-entry-dates)
2097 (gnus-score-set 'touched '(t) alist)
2098 (setcar (nthcdr 2 kill) now)
2099 (setq entries (cdr entries)))
2100 ;; This entry has expired, so we remove it.
2101 ((and expire (< date expire))
2102 (gnus-score-set 'touched '(t) alist)
2103 (setcdr entries (cddr entries)))
2104 ;; No match; go to next entry.
2106 (setq entries (cdr entries))))))))))
2108 ;; Find fuzzy matches.
2109 (when fuzzies
2110 ;; Simplify the entire buffer for easy matching.
2111 (gnus-simplify-buffer-fuzzy)
2112 (while (setq kill (cadaar fuzzies))
2113 (let* ((match (nth 0 kill))
2114 (type (nth 3 kill))
2115 (score (or (nth 1 kill) gnus-score-interactive-default-score))
2116 (date (nth 2 kill))
2117 (mt (aref (symbol-name type) 0))
2118 (case-fold-search (not (= mt ?F)))
2119 found)
2120 (goto-char (point-min))
2121 (while (and (not (eobp))
2122 (search-forward match nil t))
2123 (when (and (= (gnus-point-at-bol) (match-beginning 0))
2124 (eolp))
2125 (setq found (setq arts (get-text-property (point) 'articles)))
2126 (if trace
2127 (while (setq art (pop arts))
2128 (setcdr art (+ score (cdr art)))
2129 (push (cons
2130 (car-safe (rassq (cdar fuzzies) gnus-score-cache))
2131 kill)
2132 gnus-score-trace))
2133 ;; Found a match, update scores.
2134 (while (setq art (pop arts))
2135 (setcdr art (+ score (cdr art))))))
2136 (forward-line 1))
2137 ;; Update expiry date
2138 (if (not trace)
2139 (cond
2140 ;; Permanent.
2141 ((null date)
2142 ;; Do nothing.
2144 ;; Match, update date.
2145 ((and found gnus-update-score-entry-dates)
2146 (gnus-score-set 'touched '(t) (cdar fuzzies))
2147 (setcar (nthcdr 2 kill) now))
2148 ;; Old entry, remove.
2149 ((and expire (< date expire))
2150 (gnus-score-set 'touched '(t) (cdar fuzzies))
2151 (setcdr (caar fuzzies) (cddaar fuzzies)))))
2152 (setq fuzzies (cdr fuzzies)))))
2154 (when words
2155 ;; Enter all words into the hashtb.
2156 (let ((hashtb (gnus-make-hashtable
2157 (* 10 (count-lines (point-min) (point-max))))))
2158 (gnus-enter-score-words-into-hashtb hashtb)
2159 (while (setq kill (cadaar words))
2160 (let* ((score (or (nth 1 kill) gnus-score-interactive-default-score))
2161 (date (nth 2 kill))
2162 found)
2163 (when (setq arts (intern-soft (nth 0 kill) hashtb))
2164 (setq arts (symbol-value arts))
2165 (setq found t)
2166 (if trace
2167 (while (setq art (pop arts))
2168 (setcdr art (+ score (cdr art)))
2169 (push (cons
2170 (car-safe (rassq (cdar words) gnus-score-cache))
2171 kill)
2172 gnus-score-trace))
2173 ;; Found a match, update scores.
2174 (while (setq art (pop arts))
2175 (setcdr art (+ score (cdr art))))))
2176 ;; Update expiry date
2177 (if (not trace)
2178 (cond
2179 ;; Permanent.
2180 ((null date)
2181 ;; Do nothing.
2183 ;; Match, update date.
2184 ((and found gnus-update-score-entry-dates)
2185 (gnus-score-set 'touched '(t) (cdar words))
2186 (setcar (nthcdr 2 kill) now))
2187 ;; Old entry, remove.
2188 ((and expire (< date expire))
2189 (gnus-score-set 'touched '(t) (cdar words))
2190 (setcdr (caar words) (cddaar words)))))
2191 (setq words (cdr words))))))
2192 nil))
2194 (defun gnus-enter-score-words-into-hashtb (hashtb)
2195 ;; Find all the words in the buffer and enter them into
2196 ;; the hashtable.
2197 (let ((syntab (syntax-table))
2198 word val)
2199 (goto-char (point-min))
2200 (unwind-protect
2201 (progn
2202 (set-syntax-table gnus-adaptive-word-syntax-table)
2203 (while (re-search-forward "\\b\\w+\\b" nil t)
2204 (setq val
2205 (gnus-gethash
2206 (setq word (downcase (buffer-substring
2207 (match-beginning 0) (match-end 0))))
2208 hashtb))
2209 (gnus-sethash
2210 word
2211 (append (get-text-property (gnus-point-at-eol) 'articles) val)
2212 hashtb)))
2213 (set-syntax-table syntab))
2214 ;; Make all the ignorable words ignored.
2215 (let ((ignored (append gnus-ignored-adaptive-words
2216 (if gnus-adaptive-word-no-group-words
2217 (message-tokenize-header
2218 (gnus-group-real-name gnus-newsgroup-name)
2219 "."))
2220 gnus-default-ignored-adaptive-words)))
2221 (while ignored
2222 (gnus-sethash (pop ignored) nil hashtb)))))
2224 (defun gnus-score-string< (a1 a2)
2225 ;; Compare headers in articles A2 and A2.
2226 ;; The header index used is the free variable `gnus-score-index'.
2227 (string-lessp (aref (car a1) gnus-score-index)
2228 (aref (car a2) gnus-score-index)))
2230 (defun gnus-current-score-file-nondirectory (&optional score-file)
2231 (let ((score-file (or score-file gnus-current-score-file)))
2232 (if score-file
2233 (gnus-short-group-name (file-name-nondirectory score-file))
2234 "none")))
2236 (defun gnus-score-adaptive ()
2237 "Create adaptive score rules for this newsgroup."
2238 (when gnus-newsgroup-adaptive
2239 ;; We change the score file to the adaptive score file.
2240 (save-excursion
2241 (set-buffer gnus-summary-buffer)
2242 (gnus-score-load-file
2243 (or gnus-newsgroup-adaptive-score-file
2244 (gnus-home-score-file gnus-newsgroup-name t)
2245 (gnus-score-file-name
2246 gnus-newsgroup-name gnus-adaptive-file-suffix))))
2247 ;; Perform ordinary line scoring.
2248 (when (or (not (listp gnus-newsgroup-adaptive))
2249 (memq 'line gnus-newsgroup-adaptive))
2250 (save-excursion
2251 (let* ((malist (gnus-copy-sequence gnus-adaptive-score-alist))
2252 (alist malist)
2253 (date (current-time-string))
2254 (data gnus-newsgroup-data)
2255 elem headers match func)
2256 ;; First we transform the adaptive rule alist into something
2257 ;; that's faster to process.
2258 (while malist
2259 (setq elem (car malist))
2260 (when (symbolp (car elem))
2261 (setcar elem (symbol-value (car elem))))
2262 (setq elem (cdr elem))
2263 (while elem
2264 (when (fboundp
2265 (setq func
2266 (intern
2267 (concat "mail-header-"
2268 (if (eq (caar elem) 'followup)
2269 "message-id"
2270 (downcase (symbol-name (caar elem))))))))
2271 (setcdr (car elem)
2272 (cons (if (eq (caar elem) 'followup)
2273 "references"
2274 (symbol-name (caar elem)))
2275 (cdar elem)))
2276 (setcar (car elem)
2277 `(lambda (h)
2278 (,func h))))
2279 (setq elem (cdr elem)))
2280 (setq malist (cdr malist)))
2281 ;; Then we score away.
2282 (while data
2283 (setq elem (cdr (assq (gnus-data-mark (car data)) alist)))
2284 (if (or (not elem)
2285 (gnus-data-pseudo-p (car data)))
2287 (when (setq headers (gnus-data-header (car data)))
2288 (while elem
2289 (setq match (funcall (caar elem) headers))
2290 (gnus-summary-score-entry
2291 (nth 1 (car elem)) match
2292 (cond
2293 ((numberp match)
2295 ((equal (nth 1 (car elem)) "date")
2298 ;; Whether we use substring or exact matches is
2299 ;; controlled here.
2300 (if (or (not gnus-score-exact-adapt-limit)
2301 (< (length match) gnus-score-exact-adapt-limit))
2303 (if (equal (nth 1 (car elem)) "subject")
2304 'f 's))))
2305 (nth 2 (car elem)) date nil t)
2306 (setq elem (cdr elem)))))
2307 (setq data (cdr data))))))
2309 ;; Perform adaptive word scoring.
2310 (when (and (listp gnus-newsgroup-adaptive)
2311 (memq 'word gnus-newsgroup-adaptive))
2312 (with-temp-buffer
2313 (let* ((hashtb (gnus-make-hashtable 1000))
2314 (date (date-to-day (current-time-string)))
2315 (data gnus-newsgroup-data)
2316 (syntab (syntax-table))
2317 word d score val)
2318 (unwind-protect
2319 (progn
2320 (set-syntax-table gnus-adaptive-word-syntax-table)
2321 ;; Go through all articles.
2322 (while (setq d (pop data))
2323 (when (and
2324 (not (gnus-data-pseudo-p d))
2325 (setq score
2326 (cdr (assq
2327 (gnus-data-mark d)
2328 gnus-adaptive-word-score-alist))))
2329 ;; This article has a mark that should lead to
2330 ;; adaptive word rules, so we insert the subject
2331 ;; and find all words in that string.
2332 (insert (mail-header-subject (gnus-data-header d)))
2333 (downcase-region (point-min) (point-max))
2334 (goto-char (point-min))
2335 (while (re-search-forward "\\b\\w+\\b" nil t)
2336 ;; Put the word and score into the hashtb.
2337 (setq val (gnus-gethash (setq word (match-string 0))
2338 hashtb))
2339 (when (or (not gnus-adaptive-word-length-limit)
2340 (> (length word)
2341 gnus-adaptive-word-length-limit))
2342 (setq val (+ score (or val 0)))
2343 (if (and gnus-adaptive-word-minimum
2344 (< val gnus-adaptive-word-minimum))
2345 (setq val gnus-adaptive-word-minimum))
2346 (gnus-sethash word val hashtb)))
2347 (erase-buffer))))
2348 (set-syntax-table syntab))
2349 ;; Make all the ignorable words ignored.
2350 (let ((ignored (append gnus-ignored-adaptive-words
2351 (if gnus-adaptive-word-no-group-words
2352 (message-tokenize-header
2353 (gnus-group-real-name
2354 gnus-newsgroup-name)
2355 "."))
2356 gnus-default-ignored-adaptive-words)))
2357 (while ignored
2358 (gnus-sethash (pop ignored) nil hashtb)))
2359 ;; Now we have all the words and scores, so we
2360 ;; add these rules to the ADAPT file.
2361 (set-buffer gnus-summary-buffer)
2362 (mapatoms
2363 (lambda (word)
2364 (when (symbol-value word)
2365 (gnus-summary-score-entry
2366 "subject" (symbol-name word) 'w (symbol-value word)
2367 date nil t)))
2368 hashtb))))))
2370 (defun gnus-score-edit-done ()
2371 (let ((bufnam (buffer-file-name (current-buffer)))
2372 (winconf gnus-prev-winconf))
2373 (when winconf
2374 (set-window-configuration winconf))
2375 (gnus-score-remove-from-cache bufnam)
2376 (gnus-score-load-file bufnam)))
2378 (defun gnus-score-find-trace ()
2379 "Find all score rules that applies to the current article."
2380 (interactive)
2381 (let ((old-scored gnus-newsgroup-scored))
2382 (let ((gnus-newsgroup-headers
2383 (list (gnus-summary-article-header)))
2384 (gnus-newsgroup-scored nil)
2385 ;; Must be synced with `gnus-score-edit-file-at-point':
2386 (frmt "%S [%s] -> %s\n")
2387 trace
2388 file)
2389 (save-excursion
2390 (nnheader-set-temp-buffer "*Score Trace*"))
2391 (setq gnus-score-trace nil)
2392 (gnus-possibly-score-headers 'trace)
2393 (if (not (setq trace gnus-score-trace))
2394 (gnus-error
2395 1 "No score rules apply to the current article (default score %d)."
2396 gnus-summary-default-score)
2397 (set-buffer "*Score Trace*")
2398 ;; Use a keymap instead?
2399 (local-set-key "q"
2400 (lambda ()
2401 (interactive)
2402 (bury-buffer nil)
2403 (gnus-summary-expand-window)))
2404 (local-set-key "e" (lambda ()
2405 "Run `gnus-score-edit-file-at-point'."
2406 (interactive)
2407 (gnus-score-edit-file-at-point)))
2408 (local-set-key "f" (lambda ()
2409 "Run `gnus-score-edit-file-at-point'."
2410 (interactive)
2411 (gnus-score-edit-file-at-point 'format)))
2412 (local-set-key "t" 'toggle-truncate-lines)
2413 (setq truncate-lines t)
2414 (dolist (entry trace)
2415 (setq file (or (car entry)
2416 ;; Must be synced with
2417 ;; `gnus-score-edit-file-at-point':
2418 "(non-file rule)"))
2419 (insert
2420 (format frmt
2421 (cdr entry)
2422 ;; Don't use `file-name-sans-extension' to see .SCORE and
2423 ;; .ADAPT directly:
2424 (file-name-nondirectory file)
2425 (abbreviate-file-name file))))
2426 (insert
2427 "\n\nQuick help:
2429 Type `e' to edit score file corresponding to the score rule on current line,
2430 `f' to format (pretty print) the score file and edit it,
2431 `t' toggle to truncate long lines in this buffer,
2432 `q' to quit.
2434 The first sexp on each line is the score rule, followed by the file name of
2435 the score file and its full name, including the directory.")
2436 (goto-char (point-min))
2437 (gnus-configure-windows 'score-trace)))
2438 (set-buffer gnus-summary-buffer)
2439 (setq gnus-newsgroup-scored old-scored)))
2441 (defun gnus-score-find-favourite-words ()
2442 "List words used in scoring."
2443 (interactive)
2444 (let ((alists (gnus-score-load-files (gnus-all-score-files)))
2445 alist rule rules kill)
2446 ;; Go through all the score alists for this group
2447 ;; and find all `w' rules.
2448 (while (setq alist (pop alists))
2449 (while (setq rule (pop alist))
2450 (when (and (stringp (car rule))
2451 (equal "subject" (downcase (pop rule))))
2452 (while (setq kill (pop rule))
2453 (when (memq (nth 3 kill) '(w W word Word))
2454 (push (cons (or (nth 1 kill)
2455 gnus-score-interactive-default-score)
2456 (car kill))
2457 rules))))))
2458 (setq rules (sort rules (lambda (r1 r2)
2459 (string-lessp (cdr r1) (cdr r2)))))
2460 ;; Add up words that have appeared several times.
2461 (let ((r rules))
2462 (while (cdr r)
2463 (if (equal (cdar r) (cdadr r))
2464 (progn
2465 (setcar (car r) (+ (caar r) (caadr r)))
2466 (setcdr r (cddr r)))
2467 (pop r))))
2468 ;; Insert the words.
2469 (nnheader-set-temp-buffer "*Score Words*")
2470 (if (not (setq rules (sort rules (lambda (r1 r2) (> (car r1) (car r2))))))
2471 (gnus-error 3 "No word score rules")
2472 (while rules
2473 (insert (format "%-5d: %s\n" (caar rules) (cdar rules)))
2474 (pop rules))
2475 (goto-char (point-min))
2476 (gnus-configure-windows 'score-words))))
2478 (defun gnus-summary-rescore ()
2479 "Redo the entire scoring process in the current summary."
2480 (interactive)
2481 (gnus-score-save)
2482 (setq gnus-score-cache nil)
2483 (setq gnus-newsgroup-scored nil)
2484 (gnus-possibly-score-headers)
2485 (gnus-score-update-all-lines))
2487 (defun gnus-score-flush-cache ()
2488 "Flush the cache of score files."
2489 (interactive)
2490 (gnus-score-save)
2491 (setq gnus-score-cache nil
2492 gnus-score-alist nil
2493 gnus-short-name-score-file-cache nil)
2494 (gnus-message 6 "The score cache is now flushed"))
2496 (gnus-add-shutdown 'gnus-score-close 'gnus)
2498 (defvar gnus-score-file-alist-cache nil)
2500 (defun gnus-score-close ()
2501 "Clear all internal score variables."
2502 (setq gnus-score-cache nil
2503 gnus-internal-global-score-files nil
2504 gnus-score-file-list nil
2505 gnus-score-file-alist-cache nil))
2507 ;; Summary score marking commands.
2509 (defun gnus-summary-raise-same-subject-and-select (score)
2510 "Raise articles which has the same subject with SCORE and select the next."
2511 (interactive "p")
2512 (let ((subject (gnus-summary-article-subject)))
2513 (gnus-summary-raise-score score)
2514 (while (gnus-summary-find-subject subject)
2515 (gnus-summary-raise-score score))
2516 (gnus-summary-next-article t)))
2518 (defun gnus-summary-raise-same-subject (score)
2519 "Raise articles which has the same subject with SCORE."
2520 (interactive "p")
2521 (let ((subject (gnus-summary-article-subject)))
2522 (gnus-summary-raise-score score)
2523 (while (gnus-summary-find-subject subject)
2524 (gnus-summary-raise-score score))
2525 (gnus-summary-next-subject 1 t)))
2527 (defun gnus-score-delta-default (level)
2528 (if level (prefix-numeric-value level)
2529 gnus-score-interactive-default-score))
2531 (defun gnus-summary-raise-thread (&optional score)
2532 "Raise the score of the articles in the current thread with SCORE."
2533 (interactive "P")
2534 (setq score (gnus-score-delta-default score))
2535 (let (e)
2536 (save-excursion
2537 (let ((articles (gnus-summary-articles-in-thread)))
2538 (while articles
2539 (gnus-summary-goto-subject (car articles))
2540 (gnus-summary-raise-score score)
2541 (setq articles (cdr articles))))
2542 (setq e (point)))
2543 (let ((gnus-summary-check-current t))
2544 (unless (zerop (gnus-summary-next-subject 1 t))
2545 (goto-char e))))
2546 (gnus-summary-recenter)
2547 (gnus-summary-position-point)
2548 (gnus-set-mode-line 'summary))
2550 (defun gnus-summary-lower-same-subject-and-select (score)
2551 "Raise articles which has the same subject with SCORE and select the next."
2552 (interactive "p")
2553 (gnus-summary-raise-same-subject-and-select (- score)))
2555 (defun gnus-summary-lower-same-subject (score)
2556 "Raise articles which has the same subject with SCORE."
2557 (interactive "p")
2558 (gnus-summary-raise-same-subject (- score)))
2560 (defun gnus-summary-lower-thread (&optional score)
2561 "Lower score of articles in the current thread with SCORE."
2562 (interactive "P")
2563 (gnus-summary-raise-thread (- (gnus-score-delta-default score))))
2565 ;;; Finding score files.
2567 (defun gnus-score-score-files (group)
2568 "Return a list of all possible score files."
2569 ;; Search and set any global score files.
2570 (when gnus-global-score-files
2571 (unless gnus-internal-global-score-files
2572 (gnus-score-search-global-directories gnus-global-score-files)))
2573 ;; Fix the kill-file dir variable.
2574 (setq gnus-kill-files-directory
2575 (file-name-as-directory gnus-kill-files-directory))
2576 ;; If we can't read it, there are no score files.
2577 (if (not (file-exists-p (expand-file-name gnus-kill-files-directory)))
2578 (setq gnus-score-file-list nil)
2579 (if (not (gnus-use-long-file-name 'not-score))
2580 ;; We do not use long file names, so we have to do some
2581 ;; directory traversing.
2582 (setq gnus-score-file-list
2583 (cons nil
2584 (or gnus-short-name-score-file-cache
2585 (prog2
2586 (gnus-message 6 "Finding all score files...")
2587 (setq gnus-short-name-score-file-cache
2588 (gnus-score-score-files-1
2589 gnus-kill-files-directory))
2590 (gnus-message 6 "Finding all score files...done")))))
2591 ;; We want long file names.
2592 (when (or (not gnus-score-file-list)
2593 (not (car gnus-score-file-list))
2594 (gnus-file-newer-than gnus-kill-files-directory
2595 (car gnus-score-file-list)))
2596 (setq gnus-score-file-list
2597 (cons (nth 5 (file-attributes gnus-kill-files-directory))
2598 (nreverse
2599 (directory-files
2600 gnus-kill-files-directory t
2601 (gnus-score-file-regexp)))))))
2602 (cdr gnus-score-file-list)))
2604 (defun gnus-score-score-files-1 (dir)
2605 "Return all possible score files under DIR."
2606 (let ((files (list (expand-file-name dir)))
2607 (regexp (gnus-score-file-regexp))
2608 (case-fold-search nil)
2609 seen out file)
2610 (while (setq file (pop files))
2611 (cond
2612 ;; Ignore files that start with a dot.
2613 ((string-match "^\\." (file-name-nondirectory file))
2614 nil)
2615 ;; Add subtrees of directory to also be searched.
2616 ((and (file-directory-p file)
2617 (not (member (file-truename file) seen)))
2618 (push (file-truename file) seen)
2619 (setq files (nconc (directory-files file t nil t) files)))
2620 ;; Add files to the list of score files.
2621 ((string-match regexp file)
2622 (push file out))))
2623 (or out
2624 ;; Return a dummy value.
2625 (list (expand-file-name "this.file.does.not.exist.SCORE"
2626 gnus-kill-files-directory)))))
2628 (defun gnus-score-file-regexp ()
2629 "Return a regexp that match all score files."
2630 (concat "\\(" (regexp-quote gnus-score-file-suffix )
2631 "\\|" (regexp-quote gnus-adaptive-file-suffix) "\\)\\'"))
2633 (defun gnus-score-find-bnews (group)
2634 "Return a list of score files for GROUP.
2635 The score files are those files in the ~/News/ directory which matches
2636 GROUP using BNews sys file syntax."
2637 (let* ((sfiles (append (gnus-score-score-files group)
2638 gnus-internal-global-score-files))
2639 (kill-dir (file-name-as-directory
2640 (expand-file-name gnus-kill-files-directory)))
2641 (klen (length kill-dir))
2642 (score-regexp (gnus-score-file-regexp))
2643 (trans (cdr (assq ?: nnheader-file-name-translation-alist)))
2644 (group-trans (nnheader-translate-file-chars group t))
2645 ofiles not-match regexp)
2646 (save-excursion
2647 (set-buffer (gnus-get-buffer-create "*gnus score files*"))
2648 (buffer-disable-undo)
2649 ;; Go through all score file names and create regexp with them
2650 ;; as the source.
2651 (while sfiles
2652 (erase-buffer)
2653 (insert (car sfiles))
2654 (goto-char (point-min))
2655 ;; First remove the suffix itself.
2656 (when (re-search-forward (concat "." score-regexp) nil t)
2657 (replace-match "" t t)
2658 (goto-char (point-min))
2659 (if (looking-at (regexp-quote kill-dir))
2660 ;; If the file name was just "SCORE", `klen' is one character
2661 ;; too much.
2662 (delete-char (min (1- (point-max)) klen))
2663 (goto-char (point-max))
2664 (if (re-search-backward gnus-directory-sep-char-regexp nil t)
2665 (delete-region (1+ (point)) (point-min))
2666 (gnus-message 1 "Can't find directory separator in %s"
2667 (car sfiles))))
2668 ;; If short file names were used, we have to translate slashes.
2669 (goto-char (point-min))
2670 (let ((regexp (concat
2671 "[/:" (if trans (char-to-string trans)) "]")))
2672 (while (re-search-forward regexp nil t)
2673 (replace-match "." t t)))
2674 ;; Kludge to get rid of "nntp+" problems.
2675 (goto-char (point-min))
2676 (when (looking-at "nn[a-z]+\\+")
2677 (search-forward "+")
2678 (forward-char -1)
2679 (insert "\\")
2680 (forward-char 1))
2681 ;; Kludge to deal with "++".
2682 (while (search-forward "+" nil t)
2683 (replace-match "\\+" t t))
2684 ;; Translate "all" to ".*".
2685 (goto-char (point-min))
2686 (while (search-forward "all" nil t)
2687 (replace-match ".*" t t))
2688 (goto-char (point-min))
2689 ;; Deal with "not."s.
2690 (if (looking-at "not.")
2691 (progn
2692 (setq not-match t)
2693 (setq regexp
2694 (concat "^" (buffer-substring 5 (point-max)) "$")))
2695 (setq regexp (concat "^" (buffer-substring 1 (point-max)) "$"))
2696 (setq not-match nil))
2697 ;; Finally - if this resulting regexp matches the group name,
2698 ;; we add this score file to the list of score files
2699 ;; applicable to this group.
2700 (when (or (and not-match
2701 (ignore-errors
2702 (not (string-match regexp group-trans))))
2703 (and (not not-match)
2704 (ignore-errors (string-match regexp group-trans))))
2705 (push (car sfiles) ofiles)))
2706 (setq sfiles (cdr sfiles)))
2707 (gnus-kill-buffer (current-buffer))
2708 ;; Slight kludge here - the last score file returned should be
2709 ;; the local score file, whether it exists or not. This is so
2710 ;; that any score commands the user enters will go to the right
2711 ;; file, and not end up in some global score file.
2712 (let ((localscore (gnus-score-file-name group)))
2713 (setq ofiles (cons localscore (delete localscore ofiles))))
2714 (gnus-sort-score-files (nreverse ofiles)))))
2716 (defun gnus-score-find-single (group)
2717 "Return list containing the score file for GROUP."
2718 (list (or gnus-newsgroup-adaptive-score-file
2719 (gnus-score-file-name group gnus-adaptive-file-suffix))
2720 (gnus-score-file-name group)))
2722 (defun gnus-score-find-hierarchical (group)
2723 "Return list of score files for GROUP.
2724 This includes the score file for the group and all its parents."
2725 (let* ((prefix (gnus-group-real-prefix group))
2726 (all (list nil))
2727 (group (gnus-group-real-name group))
2728 (start 0))
2729 (while (string-match "\\." group (1+ start))
2730 (setq start (match-beginning 0))
2731 (push (substring group 0 start) all))
2732 (push group all)
2733 (setq all
2734 (nconc
2735 (mapcar (lambda (group)
2736 (gnus-score-file-name group gnus-adaptive-file-suffix))
2737 (setq all (nreverse all)))
2738 (mapcar 'gnus-score-file-name all)))
2739 (if (equal prefix "")
2741 (mapcar
2742 (lambda (file)
2743 (nnheader-translate-file-chars
2744 (concat (file-name-directory file) prefix
2745 (file-name-nondirectory file))))
2746 all))))
2748 (defun gnus-score-file-rank (file)
2749 "Return a number that says how specific score FILE is.
2750 Destroys the current buffer."
2751 (if (member file gnus-internal-global-score-files)
2753 (when (string-match
2754 (concat "^" (regexp-quote
2755 (expand-file-name
2756 (file-name-as-directory gnus-kill-files-directory))))
2757 file)
2758 (setq file (substring file (match-end 0))))
2759 (insert file)
2760 (goto-char (point-min))
2761 (let ((beg (point))
2762 elems)
2763 (while (re-search-forward "[./]" nil t)
2764 (push (buffer-substring beg (1- (point)))
2765 elems))
2766 (erase-buffer)
2767 (setq elems (delete "all" elems))
2768 (length elems))))
2770 (defun gnus-sort-score-files (files)
2771 "Sort FILES so that the most general files come first."
2772 (with-temp-buffer
2773 (let ((alist
2774 (mapcar
2775 (lambda (file)
2776 (cons (inline (gnus-score-file-rank file)) file))
2777 files)))
2778 (mapcar
2779 (lambda (f) (cdr f))
2780 (sort alist 'car-less-than-car)))))
2782 (defun gnus-score-find-alist (group)
2783 "Return list of score files for GROUP.
2784 The list is determined from the variable `gnus-score-file-alist'."
2785 (let ((alist gnus-score-file-multiple-match-alist)
2786 score-files)
2787 ;; if this group has been seen before, return the cached entry
2788 (if (setq score-files (assoc group gnus-score-file-alist-cache))
2789 (cdr score-files) ;ensures caching groups with no matches
2790 ;; handle the multiple match alist
2791 (while alist
2792 (when (string-match (caar alist) group)
2793 (setq score-files
2794 (nconc score-files (copy-sequence (cdar alist)))))
2795 (setq alist (cdr alist)))
2796 (setq alist gnus-score-file-single-match-alist)
2797 ;; handle the single match alist
2798 (while alist
2799 (when (string-match (caar alist) group)
2800 ;; progn used just in case ("regexp") has no files
2801 ;; and score-files is still nil. -sj
2802 ;; this can be construed as a "stop searching here" feature :>
2803 ;; and used to simplify regexps in the single-alist
2804 (setq score-files
2805 (nconc score-files (copy-sequence (cdar alist))))
2806 (setq alist nil))
2807 (setq alist (cdr alist)))
2808 ;; cache the score files
2809 (push (cons group score-files) gnus-score-file-alist-cache)
2810 score-files)))
2812 (defun gnus-all-score-files (&optional group)
2813 "Return a list of all score files for the current group."
2814 (let ((funcs gnus-score-find-score-files-function)
2815 (group (or group gnus-newsgroup-name))
2816 score-files)
2817 (when group
2818 ;; Make sure funcs is a list.
2819 (and funcs
2820 (not (listp funcs))
2821 (setq funcs (list funcs)))
2822 (when gnus-score-use-all-scores
2823 ;; Get the initial score files for this group.
2824 (when funcs
2825 (setq score-files (nreverse (gnus-score-find-alist group))))
2826 ;; Add any home adapt files.
2827 (let ((home (gnus-home-score-file group t)))
2828 (when home
2829 (push home score-files)
2830 (setq gnus-newsgroup-adaptive-score-file home)))
2831 ;; Check whether there is a `adapt-file' group parameter.
2832 (let ((param-file (gnus-group-find-parameter group 'adapt-file)))
2833 (when param-file
2834 (push param-file score-files)
2835 (setq gnus-newsgroup-adaptive-score-file param-file))))
2836 ;; Go through all the functions for finding score files (or actual
2837 ;; scores) and add them to a list.
2838 (while funcs
2839 (when (functionp (car funcs))
2840 (setq score-files
2841 (append score-files
2842 (nreverse (funcall (car funcs) group)))))
2843 (setq funcs (cdr funcs)))
2844 (when gnus-score-use-all-scores
2845 ;; Add any home score files.
2846 (let ((home (gnus-home-score-file group)))
2847 (when home
2848 (push home score-files)))
2849 ;; Check whether there is a `score-file' group parameter.
2850 (let ((param-file (gnus-group-find-parameter group 'score-file)))
2851 (when param-file
2852 (push param-file score-files))))
2853 ;; Expand all files names.
2854 (let ((files score-files))
2855 (while files
2856 (when (stringp (car files))
2857 (setcar files (expand-file-name
2858 (car files) gnus-kill-files-directory)))
2859 (pop files)))
2860 (setq score-files (nreverse score-files))
2861 ;; Remove any duplicate score files.
2862 (while (and score-files
2863 (member (car score-files) (cdr score-files)))
2864 (pop score-files))
2865 (let ((files score-files))
2866 (while (cdr files)
2867 (if (member (cadr files) (cddr files))
2868 (setcdr files (cddr files))
2869 (pop files))))
2870 ;; Do the scoring if there are any score files for this group.
2871 score-files)))
2873 (defun gnus-possibly-score-headers (&optional trace)
2874 "Do scoring if scoring is required."
2875 (let ((score-files (gnus-all-score-files)))
2876 (when score-files
2877 (gnus-score-headers score-files trace))))
2879 (defun gnus-score-file-name (newsgroup &optional suffix)
2880 "Return the name of a score file for NEWSGROUP."
2881 (let ((suffix (or suffix gnus-score-file-suffix)))
2882 (nnheader-translate-file-chars
2883 (cond
2884 ((or (null newsgroup)
2885 (string-equal newsgroup ""))
2886 ;; The global score file is placed at top of the directory.
2887 (expand-file-name suffix gnus-kill-files-directory))
2888 ((gnus-use-long-file-name 'not-score)
2889 ;; Append ".SCORE" to newsgroup name.
2890 (expand-file-name (concat (gnus-newsgroup-savable-name newsgroup)
2891 "." suffix)
2892 gnus-kill-files-directory))
2894 ;; Place "SCORE" under the hierarchical directory.
2895 (expand-file-name (concat (gnus-newsgroup-directory-form newsgroup)
2896 "/" suffix)
2897 gnus-kill-files-directory))))))
2899 (defun gnus-score-search-global-directories (files)
2900 "Scan all global score directories for score files."
2901 ;; Set the variable `gnus-internal-global-score-files' to all
2902 ;; available global score files.
2903 (interactive (list gnus-global-score-files))
2904 (let (out)
2905 (while files
2906 ;; #### /$ Unix-specific?
2907 (if (file-directory-p (car files))
2908 (setq out (nconc (directory-files
2909 (car files) t
2910 (concat (gnus-score-file-regexp) "$"))))
2911 (push (car files) out))
2912 (setq files (cdr files)))
2913 (setq gnus-internal-global-score-files out)))
2915 (defun gnus-score-default-fold-toggle ()
2916 "Toggle folding for new score file entries."
2917 (interactive)
2918 (setq gnus-score-default-fold (not gnus-score-default-fold))
2919 (if gnus-score-default-fold
2920 (gnus-message 1 "New score file entries will be case insensitive.")
2921 (gnus-message 1 "New score file entries will be case sensitive.")))
2923 ;;; Home score file.
2925 (defun gnus-home-score-file (group &optional adapt)
2926 "Return the home score file for GROUP.
2927 If ADAPT, return the home adaptive file instead."
2928 (let ((list (if adapt gnus-home-adapt-file gnus-home-score-file))
2929 elem found)
2930 ;; Make sure we have a list.
2931 (unless (listp list)
2932 (setq list (list list)))
2933 ;; Go through the list and look for matches.
2934 (while (and (not found)
2935 (setq elem (pop list)))
2936 (setq found
2937 (cond
2938 ;; Simple string.
2939 ((stringp elem)
2940 elem)
2941 ;; Function.
2942 ((functionp elem)
2943 (funcall elem group))
2944 ;; Regexp-file cons.
2945 ((consp elem)
2946 (when (string-match (gnus-globalify-regexp (car elem)) group)
2947 (replace-match (cadr elem) t nil group))))))
2948 (when found
2949 (setq found (nnheader-translate-file-chars found))
2950 (if (file-name-absolute-p found)
2951 found
2952 (nnheader-concat gnus-kill-files-directory found)))))
2954 (defun gnus-hierarchial-home-score-file (group)
2955 "Return the score file of the top-level hierarchy of GROUP."
2956 (if (string-match "^[^.]+\\." group)
2957 (concat (match-string 0 group) gnus-score-file-suffix)
2958 ;; Group name without any dots.
2959 (concat group (if (gnus-use-long-file-name 'not-score) "." "/")
2960 gnus-score-file-suffix)))
2962 (defun gnus-hierarchial-home-adapt-file (group)
2963 "Return the adapt file of the top-level hierarchy of GROUP."
2964 (if (string-match "^[^.]+\\." group)
2965 (concat (match-string 0 group) gnus-adaptive-file-suffix)
2966 ;; Group name without any dots.
2967 (concat group (if (gnus-use-long-file-name 'not-score) "." "/")
2968 gnus-adaptive-file-suffix)))
2970 (defun gnus-current-home-score-file (group)
2971 "Return the \"current\" regular score file."
2972 (car (nreverse (gnus-score-find-alist group))))
2975 ;;; Score decays
2978 (defun gnus-decay-score (score)
2979 "Decay SCORE according to `gnus-score-decay-constant' and `gnus-score-decay-scale'."
2980 (let ((n (- score
2981 (* (if (< score 0) -1 1)
2982 (min (abs score)
2983 (max gnus-score-decay-constant
2984 (* (abs score)
2985 gnus-score-decay-scale)))))))
2986 (if (and (featurep 'xemacs)
2987 ;; XEmacs' floor can handle only the floating point
2988 ;; number below the half of the maximum integer.
2989 (> (abs n) (lsh -1 -2)))
2990 (string-to-number
2991 (car (split-string (number-to-string n) "\\.")))
2992 (floor n))))
2994 (defun gnus-decay-scores (alist day)
2995 "Decay non-permanent scores in ALIST."
2996 (let ((times (- (time-to-days (current-time)) day))
2997 kill entry updated score n)
2998 (unless (zerop times) ;Done decays today already?
2999 (while (setq entry (pop alist))
3000 (when (stringp (car entry))
3001 (setq entry (cdr entry))
3002 (while (setq kill (pop entry))
3003 (when (nth 2 kill)
3004 (setq updated t)
3005 (setq score (or (nth 1 kill)
3006 gnus-score-interactive-default-score)
3007 n times)
3008 (while (natnump (decf n))
3009 (setq score (funcall gnus-decay-score-function score)))
3010 (setcdr kill (cons score
3011 (cdr (cdr kill)))))))))
3012 ;; Return whether this score file needs to be saved. By Je-haysuss!
3013 updated))
3015 (defun gnus-score-regexp-bad-p (regexp)
3016 "Test whether REGEXP is safe for Gnus scoring.
3017 A regexp is unsafe if it matches newline or a buffer boundary.
3019 If the regexp is good, return nil. If the regexp is bad, return a
3020 cons cell (SYM . STRING), where the symbol SYM is `new' or `bad'.
3021 In the `new' case, the string is a safe replacement for REGEXP.
3022 In the `bad' case, the string is a unsafe subexpression of REGEXP,
3023 and we do not have a simple replacement to suggest.
3025 See Info node `(gnus)Scoring Tips' for examples of good regular expressions."
3026 (let (case-fold-search)
3027 (and
3028 ;; First, try a relatively fast necessary condition.
3029 ;; Notice ranges (like [^:] or [\t-\r]), \s>, \Sw, \W, \', \`:
3030 (string-match "\n\\|\\\\[SsW`']\\|\\[\\^\\|[\0-\n]-" regexp)
3031 ;; Now break the regexp into tokens, and check each:
3032 (let ((tail regexp) ; remaining regexp to check
3033 tok ; current token
3034 bad ; nil, or bad subexpression
3035 new ; nil, or replacement regexp so far
3036 end) ; length of current token
3037 (while (and (not bad)
3038 (string-match
3039 "\\`\\(\\\\[sS]?.\\|\\[\\^?]?[^]]*]\\|[^\\]\\)"
3040 tail))
3041 (setq end (match-end 0)
3042 tok (substring tail 0 end)
3043 tail (substring tail end))
3044 (if;; Is token `bad' (matching newline or buffer ends)?
3045 (or (member tok '("\n" "\\W" "\\`" "\\'"))
3046 ;; This next handles "[...]", "\\s.", and "\\S.":
3047 (and (> end 2) (string-match tok "\n")))
3048 (let ((newtok
3049 ;; Try to suggest a replacement for tok ...
3050 (cond ((string-equal tok "\\`") "^") ; or "\\(^\\)"
3051 ((string-equal tok "\\'") "$") ; or "\\($\\)"
3052 ((string-match "\\[\\^" tok) ; very common
3053 (concat (substring tok 0 -1) "\n]")))))
3054 (if newtok
3055 (setq new
3056 (concat
3057 (or new
3058 ;; good prefix so far:
3059 (substring regexp 0 (- (+ (length tail) end))))
3060 newtok))
3061 ;; No replacement idea, so give up:
3062 (setq bad tok)))
3063 ;; tok is good, may need to extend new
3064 (and new (setq new (concat new tok)))))
3065 ;; Now return a value:
3066 (cond
3067 (bad (cons 'bad bad))
3068 (new (cons 'new new))
3069 (t nil))))))
3071 (provide 'gnus-score)
3073 ;;; arch-tag: d3922589-764d-46ae-9954-9330fd192634
3074 ;;; gnus-score.el ends here