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527fcc2f 1;;; gnus-score.el --- scoring code for Gnus
b8898393 2;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2004
16409b0b 3;; Free Software Foundation, Inc.
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4
5;; Author: Per Abrahamsen <amanda@iesd.auc.dk>
6748645f 6;; Lars Magne Ingebrigtsen <larsi@gnus.org>
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7;; Keywords: news
8
9;; This file is part of GNU Emacs.
10
11;; GNU Emacs is free software; you can redistribute it and/or modify
12;; it under the terms of the GNU General Public License as published by
13;; the Free Software Foundation; either version 2, or (at your option)
14;; any later version.
15
16;; GNU Emacs is distributed in the hope that it will be useful,
17;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19;; GNU General Public License for more details.
20
21;; You should have received a copy of the GNU General Public License
22;; along with GNU Emacs; see the file COPYING. If not, write to the
23;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24;; Boston, MA 02111-1307, USA.
25
26;;; Commentary:
27
28;;; Code:
29
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30(eval-when-compile (require 'cl))
31
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32(require 'gnus)
33(require 'gnus-sum)
34(require 'gnus-range)
a8151ef7 35(require 'message)
6748645f 36(require 'score-mode)
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37
38(defcustom gnus-global-score-files nil
39 "List of global score files and directories.
40Set this variable if you want to use people's score files. One entry
41for each score file or each score file directory. Gnus will decide
42by itself what score files are applicable to which group.
43
44Say you want to use the single score file
45\"/ftp.gnus.org@ftp:/pub/larsi/ding/score/soc.motss.SCORE\" and all
46score files in the \"/ftp.some-where:/pub/score\" directory.
47
48 (setq gnus-global-score-files
49 '(\"/ftp.gnus.org:/pub/larsi/ding/score/soc.motss.SCORE\"
50 \"/ftp.some-where:/pub/score\"))"
51 :group 'gnus-score-files
52 :type '(repeat file))
53
54(defcustom gnus-score-file-single-match-alist nil
55 "Alist mapping regexps to lists of score files.
56Each element of this alist should be of the form
57 (\"REGEXP\" [ \"SCORE-FILE-1\" ] [ \"SCORE-FILE-2\" ] ... )
58
59If the name of a group is matched by REGEXP, the corresponding scorefiles
60will be used for that group.
61The first match found is used, subsequent matching entries are ignored (to
39bb8e56 62use multiple matches, see `gnus-score-file-multiple-match-alist').
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63
64These score files are loaded in addition to any files returned by
39bb8e56 65`gnus-score-find-score-files-function'."
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66 :group 'gnus-score-files
67 :type '(repeat (cons regexp (repeat file))))
68
69(defcustom gnus-score-file-multiple-match-alist nil
70 "Alist mapping regexps to lists of score files.
71Each element of this alist should be of the form
72 (\"REGEXP\" [ \"SCORE-FILE-1\" ] [ \"SCORE-FILE-2\" ] ... )
73
74If the name of a group is matched by REGEXP, the corresponding scorefiles
75will be used for that group.
76If multiple REGEXPs match a group, the score files corresponding to each
77match will be used (for only one match to be used, see
39bb8e56 78`gnus-score-file-single-match-alist').
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79
80These score files are loaded in addition to any files returned by
39bb8e56 81`gnus-score-find-score-files-function'."
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82 :group 'gnus-score-files
83 :type '(repeat (cons regexp (repeat file))))
84
85(defcustom gnus-score-file-suffix "SCORE"
86 "Suffix of the score files."
87 :group 'gnus-score-files
88 :type 'string)
89
90(defcustom gnus-adaptive-file-suffix "ADAPT"
91 "Suffix of the adaptive score files."
92 :group 'gnus-score-files
93 :group 'gnus-score-adapt
94 :type 'string)
95
96(defcustom gnus-score-find-score-files-function 'gnus-score-find-bnews
97 "Function used to find score files.
98The function will be called with the group name as the argument, and
99should return a list of score files to apply to that group. The score
100files do not actually have to exist.
101
102Predefined values are:
103
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104`gnus-score-find-single': Only apply the group's own score file.
105`gnus-score-find-hierarchical': Also apply score files from parent groups.
106`gnus-score-find-bnews': Apply score files whose names matches.
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107
108See the documentation to these functions for more information.
109
110This variable can also be a list of functions to be called. Each
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111function is given the group name as argument and should either return
112a list of score files, or a list of score alists.
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113
114If functions other than these pre-defined functions are used,
115the `a' symbolic prefix to the score commands will always use
116\"all.SCORE\"."
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117 :group 'gnus-score-files
118 :type '(radio (function-item gnus-score-find-single)
119 (function-item gnus-score-find-hierarchical)
120 (function-item gnus-score-find-bnews)
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121 (repeat :tag "List of functions"
122 (choice (function :tag "Other" :value 'ignore)
123 (function-item gnus-score-find-single)
124 (function-item gnus-score-find-hierarchical)
125 (function-item gnus-score-find-bnews)))
126 (function :tag "Other" :value 'ignore)))
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127
128(defcustom gnus-score-interactive-default-score 1000
129 "*Scoring commands will raise/lower the score with this number as the default."
130 :group 'gnus-score-default
16409b0b 131 :type 'integer)
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132
133(defcustom gnus-score-expiry-days 7
134 "*Number of days before unused score file entries are expired.
135If this variable is nil, no score file entries will be expired."
136 :group 'gnus-score-expire
137 :type '(choice (const :tag "never" nil)
138 number))
139
140(defcustom gnus-update-score-entry-dates t
141 "*In non-nil, update matching score entry dates.
142If this variable is nil, then score entries that provide matches
143will be expired along with non-matching score entries."
144 :group 'gnus-score-expire
145 :type 'boolean)
146
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147(defcustom gnus-decay-scores nil
148 "*If non-nil, decay non-permanent scores."
149 :group 'gnus-score-decay
150 :type 'boolean)
151
152(defcustom gnus-decay-score-function 'gnus-decay-score
153 "*Function called to decay a score.
154It is called with one parameter -- the score to be decayed."
155 :group 'gnus-score-decay
156 :type '(radio (function-item gnus-decay-score)
157 (function :tag "Other")))
158
159(defcustom gnus-score-decay-constant 3
160 "*Decay all \"small\" scores with this amount."
161 :group 'gnus-score-decay
162 :type 'integer)
163
164(defcustom gnus-score-decay-scale .05
165 "*Decay all \"big\" scores with this factor."
166 :group 'gnus-score-decay
167 :type 'number)
168
169(defcustom gnus-home-score-file nil
170 "Variable to control where interactive score entries are to go.
171It can be:
172
173 * A string
174 This file file will be used as the home score file.
175
176 * A function
177 The result of this function will be used as the home score file.
178 The function will be passed the name of the group as its
179 parameter.
180
181 * A list
182 The elements in this list can be:
183
184 * `(regexp file-name ...)'
185 If the `regexp' matches the group name, the first `file-name' will
186 will be used as the home score file. (Multiple filenames are
187 allowed so that one may use gnus-score-file-single-match-alist to
188 set this variable.)
189
190 * A function.
191 If the function returns non-nil, the result will be used
192 as the home score file. The function will be passed the
193 name of the group as its parameter.
194
195 * A string. Use the string as the home score file.
196
197 The list will be traversed from the beginning towards the end looking
198 for matches."
199 :group 'gnus-score-files
200 :type '(choice string
201 (repeat (choice string
202 (cons regexp (repeat file))
6748645f 203 (function :value fun)))
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204 (function-item gnus-hierarchial-home-score-file)
205 (function-item gnus-current-home-score-file)
6748645f 206 (function :value fun)))
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207
208(defcustom gnus-home-adapt-file nil
209 "Variable to control where new adaptive score entries are to go.
210This variable allows the same syntax as `gnus-home-score-file'."
211 :group 'gnus-score-adapt
212 :group 'gnus-score-files
213 :type '(choice string
214 (repeat (choice string
215 (cons regexp (repeat file))
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216 (function :value fun)))
217 (function :value fun)))
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218
219(defcustom gnus-default-adaptive-score-alist
220 '((gnus-kill-file-mark)
221 (gnus-unread-mark)
222 (gnus-read-mark (from 3) (subject 30))
223 (gnus-catchup-mark (subject -10))
224 (gnus-killed-mark (from -1) (subject -20))
225 (gnus-del-mark (from -2) (subject -15)))
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226 "*Alist of marks and scores."
227 :group 'gnus-score-adapt
228 :type '(repeat (cons (symbol :tag "Mark")
229 (repeat (list (choice :tag "Header"
230 (const from)
231 (const subject)
232 (symbol :tag "other"))
233 (integer :tag "Score"))))))
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234
235(defcustom gnus-ignored-adaptive-words nil
236 "List of words to be ignored when doing adaptive word scoring."
237 :group 'gnus-score-adapt
238 :type '(repeat string))
239
240(defcustom gnus-default-ignored-adaptive-words
241 '("a" "i" "the" "to" "of" "and" "in" "is" "it" "for" "that" "if" "you"
242 "this" "be" "on" "with" "not" "have" "are" "or" "as" "from" "can"
243 "but" "by" "at" "an" "will" "no" "all" "was" "do" "there" "my" "one"
244 "so" "we" "they" "what" "would" "any" "which" "about" "get" "your"
245 "use" "some" "me" "then" "name" "like" "out" "when" "up" "time"
246 "other" "more" "only" "just" "end" "also" "know" "how" "new" "should"
247 "been" "than" "them" "he" "who" "make" "may" "people" "these" "now"
248 "their" "here" "into" "first" "could" "way" "had" "see" "work" "well"
249 "were" "two" "very" "where" "while" "us" "because" "good" "same"
250 "even" "much" "most" "many" "such" "long" "his" "over" "last" "since"
251 "right" "before" "our" "without" "too" "those" "why" "must" "part"
252 "being" "current" "back" "still" "go" "point" "value" "each" "did"
253 "both" "true" "off" "say" "another" "state" "might" "under" "start"
254 "try" "re")
6748645f 255 "*Default list of words to be ignored when doing adaptive word scoring."
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256 :group 'gnus-score-adapt
257 :type '(repeat string))
258
259(defcustom gnus-default-adaptive-word-score-alist
260 `((,gnus-read-mark . 30)
261 (,gnus-catchup-mark . -10)
262 (,gnus-killed-mark . -20)
263 (,gnus-del-mark . -15))
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264 "*Alist of marks and scores."
265 :group 'gnus-score-adapt
266 :type '(repeat (cons (character :tag "Mark")
267 (integer :tag "Score"))))
eec82323 268
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269(defcustom gnus-adaptive-word-minimum nil
270 "If a number, this is the minimum score value that can be assigned to a word."
271 :group 'gnus-score-adapt
272 :type '(choice (const nil) integer))
273
274(defcustom gnus-adaptive-word-no-group-words nil
275 "If t, don't adaptively score words included in the group name."
276 :group 'gnus-score-adapt
277 :type 'boolean)
278
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279(defcustom gnus-score-mimic-keymap nil
280 "*Have the score entry functions pretend that they are a keymap."
281 :group 'gnus-score-default
282 :type 'boolean)
283
284(defcustom gnus-score-exact-adapt-limit 10
285 "*Number that says how long a match has to be before using substring matching.
286When doing adaptive scoring, one normally uses fuzzy or substring
287matching. However, if the header one matches is short, the possibility
288for false positives is great, so if the length of the match is less
289than this variable, exact matching will be used.
290
291If this variable is nil, exact matching will always be used."
292 :group 'gnus-score-adapt
293 :type '(choice (const nil) integer))
294
295(defcustom gnus-score-uncacheable-files "ADAPT$"
296 "All score files that match this regexp will not be cached."
297 :group 'gnus-score-adapt
298 :group 'gnus-score-files
299 :type 'regexp)
300
301(defcustom gnus-score-default-header nil
302 "Default header when entering new scores.
303
304Should be one of the following symbols.
305
306 a: from
307 s: subject
308 b: body
309 h: head
310 i: message-id
311 t: references
312 x: xref
16409b0b 313 e: `extra' (non-standard overview)
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314 l: lines
315 d: date
316 f: followup
317
318If nil, the user will be asked for a header."
319 :group 'gnus-score-default
320 :type '(choice (const :tag "from" a)
321 (const :tag "subject" s)
322 (const :tag "body" b)
323 (const :tag "head" h)
324 (const :tag "message-id" i)
325 (const :tag "references" t)
326 (const :tag "xref" x)
16409b0b 327 (const :tag "extra" e)
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328 (const :tag "lines" l)
329 (const :tag "date" d)
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330 (const :tag "followup" f)
331 (const :tag "ask" nil)))
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332
333(defcustom gnus-score-default-type nil
334 "Default match type when entering new scores.
335
336Should be one of the following symbols.
337
338 s: substring
339 e: exact string
340 f: fuzzy string
341 r: regexp string
342 b: before date
6748645f 343 a: after date
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344 n: this date
345 <: less than number
346 >: greater than number
347 =: equal to number
348
349If nil, the user will be asked for a match type."
350 :group 'gnus-score-default
351 :type '(choice (const :tag "substring" s)
352 (const :tag "exact string" e)
353 (const :tag "fuzzy string" f)
354 (const :tag "regexp string" r)
355 (const :tag "before date" b)
6748645f 356 (const :tag "after date" a)
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357 (const :tag "this date" n)
358 (const :tag "less than number" <)
359 (const :tag "greater than number" >)
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360 (const :tag "equal than number" =)
361 (const :tag "ask" nil)))
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362
363(defcustom gnus-score-default-fold nil
364 "Use case folding for new score file entries iff not nil."
365 :group 'gnus-score-default
366 :type 'boolean)
367
368(defcustom gnus-score-default-duration nil
369 "Default duration of effect when entering new scores.
370
371Should be one of the following symbols.
372
373 t: temporary
374 p: permanent
375 i: immediate
376
377If nil, the user will be asked for a duration."
378 :group 'gnus-score-default
379 :type '(choice (const :tag "temporary" t)
380 (const :tag "permanent" p)
381 (const :tag "immediate" i)
382 (const :tag "ask" nil)))
383
384(defcustom gnus-score-after-write-file-function nil
385 "Function called with the name of the score file just written to disk."
386 :group 'gnus-score-files
b4ef971d 387 :type '(choice (const nil) function))
eec82323 388
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389(defcustom gnus-score-thread-simplify nil
390 "If non-nil, subjects will simplified as in threading."
391 :group 'gnus-score-various
16409b0b 392 :type 'boolean)
6748645f 393
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394\f
395
396;; Internal variables.
397
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398(defvar gnus-score-use-all-scores t
399 "If nil, only `gnus-score-find-score-files-function' is used.")
400
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401(defvar gnus-adaptive-word-syntax-table
402 (let ((table (copy-syntax-table (standard-syntax-table)))
403 (numbers '(?0 ?1 ?2 ?3 ?4 ?5 ?6 ?7 ?8 ?9)))
404 (while numbers
405 (modify-syntax-entry (pop numbers) " " table))
406 (modify-syntax-entry ?' "w" table)
407 table)
408 "Syntax table used when doing adaptive word scoring.")
409
410(defvar gnus-scores-exclude-files nil)
411(defvar gnus-internal-global-score-files nil)
412(defvar gnus-score-file-list nil)
413
414(defvar gnus-short-name-score-file-cache nil)
415
416(defvar gnus-score-help-winconf nil)
417(defvar gnus-adaptive-score-alist gnus-default-adaptive-score-alist)
418(defvar gnus-adaptive-word-score-alist gnus-default-adaptive-word-score-alist)
419(defvar gnus-score-trace nil)
420(defvar gnus-score-edit-buffer nil)
421
422(defvar gnus-score-alist nil
423 "Alist containing score information.
424The keys can be symbols or strings. The following symbols are defined.
425
426touched: If this alist has been modified.
427mark: Automatically mark articles below this.
428expunge: Automatically expunge articles below this.
429files: List of other score files to load when loading this one.
430eval: Sexp to be evaluated when the score file is loaded.
431
432String entries have the form (HEADER (MATCH TYPE SCORE DATE) ...)
433where HEADER is the header being scored, MATCH is the string we are
434looking for, TYPE is a flag indicating whether it should use regexp or
435substring matching, SCORE is the score to add and DATE is the date
436of the last successful match.")
437
438(defvar gnus-score-cache nil)
439(defvar gnus-scores-articles nil)
440(defvar gnus-score-index nil)
441
442
443(defconst gnus-header-index
444 ;; Name to index alist.
445 '(("number" 0 gnus-score-integer)
446 ("subject" 1 gnus-score-string)
447 ("from" 2 gnus-score-string)
448 ("date" 3 gnus-score-date)
449 ("message-id" 4 gnus-score-string)
450 ("references" 5 gnus-score-string)
451 ("chars" 6 gnus-score-integer)
452 ("lines" 7 gnus-score-integer)
453 ("xref" 8 gnus-score-string)
16409b0b 454 ("extra" 9 gnus-score-string)
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455 ("head" -1 gnus-score-body)
456 ("body" -1 gnus-score-body)
457 ("all" -1 gnus-score-body)
458 ("followup" 2 gnus-score-followup)
459 ("thread" 5 gnus-score-thread)))
460
461;;; Summary mode score maps.
462
463(gnus-define-keys (gnus-summary-score-map "V" gnus-summary-mode-map)
464 "s" gnus-summary-set-score
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465 "S" gnus-summary-current-score
466 "c" gnus-score-change-score-file
467 "C" gnus-score-customize
468 "m" gnus-score-set-mark-below
469 "x" gnus-score-set-expunge-below
470 "R" gnus-summary-rescore
471 "e" gnus-score-edit-current-scores
472 "f" gnus-score-edit-file
473 "F" gnus-score-flush-cache
474 "t" gnus-score-find-trace
475 "w" gnus-score-find-favourite-words)
476
477;; Summary score file commands
478
479;; Much modification of the kill (ahem, score) code and lots of the
480;; functions are written by Per Abrahamsen <amanda@iesd.auc.dk>.
481
6748645f 482(defun gnus-summary-lower-score (&optional score symp)
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483 "Make a score entry based on the current article.
484The user will be prompted for header to score on, match type,
485permanence, and the string to be used. The numerical prefix will be
486used as score."
6748645f 487 (interactive (gnus-interactive "P\ny"))
16409b0b 488 (gnus-summary-increase-score (- (gnus-score-delta-default score)) symp))
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489
490(defun gnus-score-kill-help-buffer ()
491 (when (get-buffer "*Score Help*")
492 (kill-buffer "*Score Help*")
493 (when gnus-score-help-winconf
494 (set-window-configuration gnus-score-help-winconf))))
495
6748645f 496(defun gnus-summary-increase-score (&optional score symp)
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497 "Make a score entry based on the current article.
498The user will be prompted for header to score on, match type,
499permanence, and the string to be used. The numerical prefix will be
500used as score."
6748645f 501 (interactive (gnus-interactive "P\ny"))
16409b0b 502 (let* ((nscore (gnus-score-delta-default score))
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503 (prefix (if (< nscore 0) ?L ?I))
504 (increase (> nscore 0))
505 (char-to-header
506 '((?a "from" nil nil string)
507 (?s "subject" nil nil string)
508 (?b "body" "" nil body-string)
509 (?h "head" "" nil body-string)
16409b0b 510 (?i "message-id" nil nil string)
6748645f 511 (?r "references" "message-id" nil string)
eec82323 512 (?x "xref" nil nil string)
16409b0b 513 (?e "extra" nil nil string)
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514 (?l "lines" nil nil number)
515 (?d "date" nil nil date)
516 (?f "followup" nil nil string)
6748645f 517 (?t "thread" "message-id" nil string)))
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518 (char-to-type
519 '((?s s "substring" string)
520 (?e e "exact string" string)
521 (?f f "fuzzy string" string)
522 (?r r "regexp string" string)
523 (?z s "substring" body-string)
524 (?p r "regexp string" body-string)
525 (?b before "before date" date)
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526 (?a after "after date" date)
527 (?n at "this date" date)
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528 (?< < "less than number" number)
529 (?> > "greater than number" number)
530 (?= = "equal to number" number)))
6748645f 531 (current-score-file gnus-current-score-file)
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532 (char-to-perm
533 (list (list ?t (current-time-string) "temporary")
534 '(?p perm "permanent") '(?i now "immediate")))
535 (mimic gnus-score-mimic-keymap)
536 (hchar (and gnus-score-default-header
537 (aref (symbol-name gnus-score-default-header) 0)))
538 (tchar (and gnus-score-default-type
539 (aref (symbol-name gnus-score-default-type) 0)))
540 (pchar (and gnus-score-default-duration
541 (aref (symbol-name gnus-score-default-duration) 0)))
16409b0b 542 entry temporary type match extra)
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543
544 (unwind-protect
545 (progn
546
547 ;; First we read the header to score.
548 (while (not hchar)
549 (if mimic
550 (progn
551 (sit-for 1)
552 (message "%c-" prefix))
553 (message "%s header (%s?): " (if increase "Increase" "Lower")
554 (mapconcat (lambda (s) (char-to-string (car s)))
555 char-to-header "")))
556 (setq hchar (read-char))
557 (when (or (= hchar ??) (= hchar ?\C-h))
558 (setq hchar nil)
559 (gnus-score-insert-help "Match on header" char-to-header 1)))
560
561 (gnus-score-kill-help-buffer)
562 (unless (setq entry (assq (downcase hchar) char-to-header))
a8151ef7 563 (if mimic (error "%c %c" prefix hchar)
16409b0b 564 (error "Invalid header type")))
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565
566 (when (/= (downcase hchar) hchar)
567 ;; This was a majuscule, so we end reading and set the defaults.
568 (if mimic (message "%c %c" prefix hchar) (message ""))
569 (setq tchar (or tchar ?s)
570 pchar (or pchar ?t)))
571
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572 (let ((legal-types
573 (delq nil
574 (mapcar (lambda (s)
575 (if (eq (nth 4 entry)
576 (nth 3 s))
577 s nil))
578 char-to-type))))
579 ;; We continue reading - the type.
580 (while (not tchar)
581 (if mimic
582 (progn
583 (sit-for 1) (message "%c %c-" prefix hchar))
584 (message "%s header '%s' with match type (%s?): "
585 (if increase "Increase" "Lower")
586 (nth 1 entry)
587 (mapconcat (lambda (s) (char-to-string (car s)))
588 legal-types "")))
589 (setq tchar (read-char))
590 (when (or (= tchar ??) (= tchar ?\C-h))
591 (setq tchar nil)
592 (gnus-score-insert-help "Match type" legal-types 2)))
593
594 (gnus-score-kill-help-buffer)
595 (unless (setq type (nth 1 (assq (downcase tchar) legal-types)))
596 (if mimic (error "%c %c" prefix hchar)
16409b0b 597 (error "Invalid match type"))))
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598
599 (when (/= (downcase tchar) tchar)
600 ;; It was a majuscule, so we end reading and use the default.
601 (if mimic (message "%c %c %c" prefix hchar tchar)
602 (message ""))
6748645f 603 (setq pchar (or pchar ?t)))
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604
605 ;; We continue reading.
606 (while (not pchar)
607 (if mimic
608 (progn
609 (sit-for 1) (message "%c %c %c-" prefix hchar tchar))
610 (message "%s permanence (%s?): " (if increase "Increase" "Lower")
611 (mapconcat (lambda (s) (char-to-string (car s)))
612 char-to-perm "")))
613 (setq pchar (read-char))
614 (when (or (= pchar ??) (= pchar ?\C-h))
615 (setq pchar nil)
616 (gnus-score-insert-help "Match permanence" char-to-perm 2)))
617
618 (gnus-score-kill-help-buffer)
b8898393 619 (if mimic (message "%c %c %c %c" prefix hchar tchar pchar)
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620 (message ""))
621 (unless (setq temporary (cadr (assq pchar char-to-perm)))
622 ;; Deal with der(r)ided superannuated paradigms.
623 (when (and (eq (1+ prefix) 77)
624 (eq (+ hchar 12) 109)
16409b0b 625 (eq (1- tchar) 113)
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626 (eq (- pchar 4) 111))
627 (error "You rang?"))
628 (if mimic
629 (error "%c %c %c %c" prefix hchar tchar pchar)
16409b0b 630 (error "Invalid match duration"))))
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631 ;; Always kill the score help buffer.
632 (gnus-score-kill-help-buffer))
633
16409b0b
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634 ;; If scoring an extra (non-standard overview) header,
635 ;; we must find out which header is in question.
636 (setq extra
637 (and gnus-extra-headers
638 (equal (nth 1 entry) "extra")
639 (intern ; need symbol
640 (gnus-completing-read
641 (symbol-name (car gnus-extra-headers)) ; default response
642 "Score extra header:" ; prompt
643 (mapcar (lambda (x) ; completion list
644 (cons (symbol-name x) x))
645 gnus-extra-headers)
646 nil ; no completion limit
647 t)))) ; require match
648 ;; extra is now nil or a symbol.
649
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650 ;; We have all the data, so we enter this score.
651 (setq match (if (string= (nth 2 entry) "") ""
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652 (gnus-summary-header (or (nth 2 entry) (nth 1 entry))
653 nil extra)))
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654
655 ;; Modify the match, perhaps.
656 (cond
657 ((equal (nth 1 entry) "xref")
658 (when (string-match "^Xref: *" match)
659 (setq match (substring match (match-end 0))))
660 (when (string-match "^[^:]* +" match)
661 (setq match (substring match (match-end 0))))))
662
663 (when (memq type '(r R regexp Regexp))
664 (setq match (regexp-quote match)))
665
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666 ;; Change score file to the "all.SCORE" file.
667 (when (eq symp 'a)
668 (save-excursion
669 (set-buffer gnus-summary-buffer)
670 (gnus-score-load-file
671 ;; This is a kludge; yes...
672 (cond
673 ((eq gnus-score-find-score-files-function
674 'gnus-score-find-hierarchical)
675 (gnus-score-file-name ""))
676 ((eq gnus-score-find-score-files-function 'gnus-score-find-single)
677 current-score-file)
678 (t
679 (gnus-score-file-name "all"))))))
16409b0b 680
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681 (gnus-summary-score-entry
682 (nth 1 entry) ; Header
683 match ; Match
684 type ; Type
685 (if (eq score 's) nil score) ; Score
686 (if (eq temporary 'perm) ; Temp
687 nil
688 temporary)
16409b0b
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689 (not (nth 3 entry)) ; Prompt
690 nil ; not silent
691 extra) ; non-standard overview.
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692
693 (when (eq symp 'a)
694 ;; We change the score file back to the previous one.
695 (save-excursion
696 (set-buffer gnus-summary-buffer)
697 (gnus-score-load-file current-score-file)))))
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698
699(defun gnus-score-insert-help (string alist idx)
700 (setq gnus-score-help-winconf (current-window-configuration))
701 (save-excursion
6748645f 702 (set-buffer (gnus-get-buffer-create "*Score Help*"))
16409b0b 703 (buffer-disable-undo)
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704 (delete-windows-on (current-buffer))
705 (erase-buffer)
706 (insert string ":\n\n")
707 (let ((max -1)
708 (list alist)
709 (i 0)
710 n width pad format)
711 ;; find the longest string to display
712 (while list
713 (setq n (length (nth idx (car list))))
714 (unless (> max n)
715 (setq max n))
716 (setq list (cdr list)))
717 (setq max (+ max 4)) ; %c, `:', SPACE, a SPACE at end
718 (setq n (/ (1- (window-width)) max)) ; items per line
719 (setq width (/ (1- (window-width)) n)) ; width of each item
720 ;; insert `n' items, each in a field of width `width'
721 (while alist
722 (if (< i n)
723 ()
724 (setq i 0)
725 (delete-char -1) ; the `\n' takes a char
726 (insert "\n"))
727 (setq pad (- width 3))
728 (setq format (concat "%c: %-" (int-to-string pad) "s"))
729 (insert (format format (caar alist) (nth idx (car alist))))
730 (setq alist (cdr alist))
731 (setq i (1+ i))))
732 ;; display ourselves in a small window at the bottom
733 (gnus-appt-select-lowest-window)
734 (split-window)
735 (pop-to-buffer "*Score Help*")
736 (let ((window-min-height 1))
737 (shrink-window-if-larger-than-buffer))
16409b0b 738 (select-window (get-buffer-window gnus-summary-buffer t))))
eec82323 739
16409b0b 740(defun gnus-summary-header (header &optional no-err extra)
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741 ;; Return HEADER for current articles, or error.
742 (let ((article (gnus-summary-article-number))
743 headers)
744 (if article
745 (if (and (setq headers (gnus-summary-article-header article))
746 (vectorp headers))
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747 (if extra ; `header' must be "extra"
748 (or (cdr (assq extra (mail-header-extra headers))) "")
749 (aref headers (nth 1 (assoc header gnus-header-index))))
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750 (if no-err
751 nil
752 (error "Pseudo-articles can't be scored")))
753 (if no-err
754 (error "No article on current line")
755 nil))))
756
757(defun gnus-newsgroup-score-alist ()
758 (or
759 (let ((param-file (gnus-group-find-parameter
760 gnus-newsgroup-name 'score-file)))
761 (when param-file
762 (gnus-score-load param-file)))
763 (gnus-score-load
764 (gnus-score-file-name gnus-newsgroup-name)))
765 gnus-score-alist)
766
767(defsubst gnus-score-get (symbol &optional alist)
768 ;; Get SYMBOL's definition in ALIST.
769 (cdr (assoc symbol
770 (or alist
771 gnus-score-alist
772 (gnus-newsgroup-score-alist)))))
773
774(defun gnus-summary-score-entry (header match type score date
16409b0b 775 &optional prompt silent extra)
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776 "Enter score file entry.
777HEADER is the header being scored.
778MATCH is the string we are looking for.
779TYPE is the match type: substring, regexp, exact, fuzzy.
780SCORE is the score to add.
781DATE is the expire date, or nil for no expire, or 'now for immediate expire.
782If optional argument `PROMPT' is non-nil, allow user to edit match.
16409b0b
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783If optional argument `SILENT' is nil, show effect of score entry.
784If optional argument `EXTRA' is non-nil, it's a non-standard overview header."
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785 ;; Regexp is the default type.
786 (when (eq type t)
787 (setq type 'r))
788 ;; Simplify matches...
789 (cond ((or (eq type 'r) (eq type 's) (eq type nil))
790 (setq match (if match (gnus-simplify-subject-re match) "")))
791 ((eq type 'f)
792 (setq match (gnus-simplify-subject-fuzzy match))))
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793 (let ((score (gnus-score-delta-default score))
794 (header (downcase header))
eec82323 795 new)
16409b0b 796 (set-text-properties 0 (length header) nil header)
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797 (when prompt
798 (setq match (read-string
799 (format "Match %s on %s, %s: "
800 (cond ((eq date 'now)
801 "now")
802 ((stringp date)
803 "temp")
804 (t "permanent"))
805 header
806 (if (< score 0) "lower" "raise"))
807 (if (numberp match)
808 (int-to-string match)
809 match))))
810
eec82323 811 ;; If this is an integer comparison, we transform from string to int.
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812 (if (eq (nth 2 (assoc header gnus-header-index)) 'gnus-score-integer)
813 (if (stringp match)
814 (setq match (string-to-int match)))
815 (set-text-properties 0 (length match) nil match))
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816
817 (unless (eq date 'now)
818 ;; Add the score entry to the score file.
819 (when (= score gnus-score-interactive-default-score)
820 (setq score nil))
821 (let ((old (gnus-score-get header))
822 elem)
823 (setq new
824 (cond
16409b0b
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825 (extra
826 (list match score
827 (and date (if (numberp date) date
828 (date-to-day date)))
829 type (symbol-name extra)))
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830 (type
831 (list match score
832 (and date (if (numberp date) date
16409b0b 833 (date-to-day date)))
eec82323 834 type))
16409b0b 835 (date (list match score (date-to-day date)))
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836 (score (list match score))
837 (t (list match))))
838 ;; We see whether we can collapse some score entries.
839 ;; This isn't quite correct, because there may be more elements
840 ;; later on with the same key that have matching elems... Hm.
841 (if (and old
842 (setq elem (assoc match old))
843 (eq (nth 3 elem) (nth 3 new))
844 (or (and (numberp (nth 2 elem)) (numberp (nth 2 new)))
845 (and (not (nth 2 elem)) (not (nth 2 new)))))
846 ;; Yup, we just add this new score to the old elem.
847 (setcar (cdr elem) (+ (or (nth 1 elem)
848 gnus-score-interactive-default-score)
849 (or (nth 1 new)
850 gnus-score-interactive-default-score)))
851 ;; Nope, we have to add a new elem.
6748645f 852 (gnus-score-set header (if old (cons new old) (list new)) nil t))
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853 (gnus-score-set 'touched '(t))))
854
855 ;; Score the current buffer.
856 (unless silent
857 (if (and (>= (nth 1 (assoc header gnus-header-index)) 0)
858 (eq (nth 2 (assoc header gnus-header-index))
859 'gnus-score-string))
16409b0b 860 (gnus-summary-score-effect header match type score extra)
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861 (gnus-summary-rescore)))
862
863 ;; Return the new scoring rule.
864 new))
865
16409b0b 866(defun gnus-summary-score-effect (header match type score extra)
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867 "Simulate the effect of a score file entry.
868HEADER is the header being scored.
869MATCH is the string we are looking for.
870TYPE is the score type.
16409b0b
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871SCORE is the score to add.
872EXTRA is the possible non-standard header."
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873 (interactive (list (completing-read "Header: "
874 gnus-header-index
875 (lambda (x) (fboundp (nth 2 x)))
876 t)
877 (read-string "Match: ")
878 (y-or-n-p "Use regexp match? ")
879 (prefix-numeric-value current-prefix-arg)))
880 (save-excursion
881 (unless (and (stringp match) (> (length match) 0))
882 (error "No match"))
883 (goto-char (point-min))
884 (let ((regexp (cond ((eq type 'f)
885 (gnus-simplify-subject-fuzzy match))
886 ((eq type 'r)
887 match)
888 ((eq type 'e)
889 (concat "\\`" (regexp-quote match) "\\'"))
890 (t
891 (regexp-quote match)))))
892 (while (not (eobp))
16409b0b 893 (let ((content (gnus-summary-header header 'noerr extra))
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894 (case-fold-search t))
895 (and content
896 (when (if (eq type 'f)
897 (string-equal (gnus-simplify-subject-fuzzy content)
898 regexp)
899 (string-match regexp content))
900 (gnus-summary-raise-score score))))
901 (beginning-of-line 2))))
902 (gnus-set-mode-line 'summary))
903
904(defun gnus-summary-score-crossposting (score date)
905 ;; Enter score file entry for current crossposting.
906 ;; SCORE is the score to add.
907 ;; DATE is the expire date.
908 (let ((xref (gnus-summary-header "xref"))
909 (start 0)
910 group)
911 (unless xref
912 (error "This article is not crossposted"))
913 (while (string-match " \\([^ \t]+\\):" xref start)
914 (setq start (match-end 0))
915 (when (not (string=
916 (setq group
917 (substring xref (match-beginning 1) (match-end 1)))
918 gnus-newsgroup-name))
919 (gnus-summary-score-entry
920 "xref" (concat " " group ":") nil score date t)))))
921
922\f
923;;;
924;;; Gnus Score Files
925;;;
926
927;; All score code written by Per Abrahamsen <abraham@iesd.auc.dk>.
928
929;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
930(defun gnus-score-set-mark-below (score)
931 "Automatically mark articles with score below SCORE as read."
932 (interactive
933 (list (or (and current-prefix-arg (prefix-numeric-value current-prefix-arg))
934 (string-to-int (read-string "Mark below: ")))))
935 (setq score (or score gnus-summary-default-score 0))
936 (gnus-score-set 'mark (list score))
937 (gnus-score-set 'touched '(t))
938 (setq gnus-summary-mark-below score)
939 (gnus-score-update-lines))
940
941(defun gnus-score-update-lines ()
942 "Update all lines in the summary buffer."
943 (save-excursion
944 (goto-char (point-min))
945 (while (not (eobp))
946 (gnus-summary-update-line)
947 (forward-line 1))))
948
949(defun gnus-score-update-all-lines ()
950 "Update all lines in the summary buffer, even the hidden ones."
951 (save-excursion
952 (goto-char (point-min))
953 (let (hidden)
954 (while (not (eobp))
955 (when (gnus-summary-show-thread)
956 (push (point) hidden))
957 (gnus-summary-update-line)
958 (forward-line 1))
959 ;; Re-hide the hidden threads.
960 (while hidden
961 (goto-char (pop hidden))
962 (gnus-summary-hide-thread)))))
963
964(defun gnus-score-set-expunge-below (score)
965 "Automatically expunge articles with score below SCORE."
966 (interactive
967 (list (or (and current-prefix-arg (prefix-numeric-value current-prefix-arg))
968 (string-to-int (read-string "Set expunge below: ")))))
969 (setq score (or score gnus-summary-default-score 0))
970 (gnus-score-set 'expunge (list score))
971 (gnus-score-set 'touched '(t)))
972
973(defun gnus-score-followup-article (&optional score)
974 "Add SCORE to all followups to the article in the current buffer."
975 (interactive "P")
16409b0b 976 (setq score (gnus-score-delta-default score))
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977 (when (gnus-buffer-live-p gnus-summary-buffer)
978 (save-excursion
979 (save-restriction
980 (message-narrow-to-headers)
981 (let ((id (mail-fetch-field "message-id")))
982 (when id
983 (set-buffer gnus-summary-buffer)
984 (gnus-summary-score-entry
985 "references" (concat id "[ \t]*$") 'r
986 score (current-time-string) nil t)))))))
987
988(defun gnus-score-followup-thread (&optional score)
989 "Add SCORE to all later articles in the thread the current buffer is part of."
990 (interactive "P")
16409b0b 991 (setq score (gnus-score-delta-default score))
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992 (when (gnus-buffer-live-p gnus-summary-buffer)
993 (save-excursion
994 (save-restriction
995 (goto-char (point-min))
996 (let ((id (mail-fetch-field "message-id")))
997 (when id
998 (set-buffer gnus-summary-buffer)
999 (gnus-summary-score-entry
1000 "references" id 's
1001 score (current-time-string))))))))
1002
6748645f 1003(defun gnus-score-set (symbol value &optional alist warn)
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1004 ;; Set SYMBOL to VALUE in ALIST.
1005 (let* ((alist
1006 (or alist
1007 gnus-score-alist
1008 (gnus-newsgroup-score-alist)))
1009 (entry (assoc symbol alist)))
1010 (cond ((gnus-score-get 'read-only alist)
1011 ;; This is a read-only score file, so we do nothing.
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1012 (when warn
1013 (gnus-message 4 "Note: read-only score file; entry discarded")))
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1014 (entry
1015 (setcdr entry value))
1016 ((null alist)
1017 (error "Empty alist"))
1018 (t
1019 (setcdr alist
1020 (cons (cons symbol value) (cdr alist)))))))
1021
1022(defun gnus-summary-raise-score (n)
1023 "Raise the score of the current article by N."
1024 (interactive "p")
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1025 (gnus-summary-set-score (+ (gnus-summary-article-score)
1026 (or n gnus-score-interactive-default-score ))))
1027
1028(defun gnus-summary-set-score (n)
1029 "Set the score of the current article to N."
1030 (interactive "p")
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1031 (save-excursion
1032 (gnus-summary-show-thread)
1033 (let ((buffer-read-only nil))
1034 ;; Set score.
1035 (gnus-summary-update-mark
16409b0b 1036 (if (= n (or gnus-summary-default-score 0)) ? ;Whitespace
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1037 (if (< n (or gnus-summary-default-score 0))
1038 gnus-score-below-mark gnus-score-over-mark))
1039 'score))
1040 (let* ((article (gnus-summary-article-number))
1041 (score (assq article gnus-newsgroup-scored)))
1042 (if score (setcdr score n)
1043 (push (cons article n) gnus-newsgroup-scored)))
1044 (gnus-summary-update-line)))
1045
1046(defun gnus-summary-current-score ()
1047 "Return the score of the current article."
1048 (interactive)
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1049 (gnus-message 1 "%s" (gnus-summary-article-score)))
1050
1051(defun gnus-score-change-score-file (file)
1052 "Change current score alist."
1053 (interactive
1054 (list (read-file-name "Change to score file: " gnus-kill-files-directory)))
1055 (gnus-score-load-file file)
1056 (gnus-set-mode-line 'summary))
1057
1058(defvar gnus-score-edit-exit-function)
1059(defun gnus-score-edit-current-scores (file)
1060 "Edit the current score alist."
1061 (interactive (list gnus-current-score-file))
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1062 (if (not gnus-current-score-file)
1063 (error "No current score file")
1064 (let ((winconf (current-window-configuration)))
1065 (when (buffer-name gnus-summary-buffer)
1066 (gnus-score-save))
1067 (gnus-make-directory (file-name-directory file))
1068 (setq gnus-score-edit-buffer (find-file-noselect file))
1069 (gnus-configure-windows 'edit-score)
1070 (gnus-score-mode)
1071 (setq gnus-score-edit-exit-function 'gnus-score-edit-done)
1072 (make-local-variable 'gnus-prev-winconf)
1073 (setq gnus-prev-winconf winconf))
1074 (gnus-message
1075 4 (substitute-command-keys
1076 "\\<gnus-score-mode-map>\\[gnus-score-edit-exit] to save edits"))))
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1077
1078(defun gnus-score-edit-file (file)
1079 "Edit a score file."
1080 (interactive
1081 (list (read-file-name "Edit score file: " gnus-kill-files-directory)))
1082 (gnus-make-directory (file-name-directory file))
1083 (when (buffer-name gnus-summary-buffer)
1084 (gnus-score-save))
1085 (let ((winconf (current-window-configuration)))
1086 (setq gnus-score-edit-buffer (find-file-noselect file))
1087 (gnus-configure-windows 'edit-score)
1088 (gnus-score-mode)
1089 (setq gnus-score-edit-exit-function 'gnus-score-edit-done)
1090 (make-local-variable 'gnus-prev-winconf)
1091 (setq gnus-prev-winconf winconf))
1092 (gnus-message
1093 4 (substitute-command-keys
1094 "\\<gnus-score-mode-map>\\[gnus-score-edit-exit] to save edits")))
1095
1096(defun gnus-score-load-file (file)
1097 ;; Load score file FILE. Returns a list a retrieved score-alists.
1098 (let* ((file (expand-file-name
1099 (or (and (string-match
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1100 (concat "^" (regexp-quote
1101 (expand-file-name
1102 gnus-kill-files-directory)))
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1103 (expand-file-name file))
1104 file)
59896c4c 1105 (expand-file-name file gnus-kill-files-directory))))
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1106 (cached (assoc file gnus-score-cache))
1107 (global (member file gnus-internal-global-score-files))
1108 lists alist)
1109 (if cached
1110 ;; The score file was already loaded.
1111 (setq alist (cdr cached))
1112 ;; We load the score file.
1113 (setq gnus-score-alist nil)
1114 (setq alist (gnus-score-load-score-alist file))
1115 ;; We add '(touched) to the alist to signify that it hasn't been
1116 ;; touched (yet).
1117 (unless (assq 'touched alist)
1118 (push (list 'touched nil) alist))
1119 ;; If it is a global score file, we make it read-only.
1120 (and global
1121 (not (assq 'read-only alist))
1122 (push (list 'read-only t) alist))
1123 (push (cons file alist) gnus-score-cache))
1124 (let ((a alist)
1125 found)
1126 (while a
1127 ;; Downcase all header names.
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1128 (cond
1129 ((stringp (caar a))
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1130 (setcar (car a) (downcase (caar a)))
1131 (setq found t))
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1132 ;; Advanced scoring.
1133 ((consp (caar a))
1134 (setq found t)))
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1135 (pop a))
1136 ;; If there are actual scores in the alist, we add it to the
1137 ;; return value of this function.
1138 (when found
1139 (setq lists (list alist))))
1140 ;; Treat the other possible atoms in the score alist.
1141 (let ((mark (car (gnus-score-get 'mark alist)))
1142 (expunge (car (gnus-score-get 'expunge alist)))
1143 (mark-and-expunge (car (gnus-score-get 'mark-and-expunge alist)))
1144 (files (gnus-score-get 'files alist))
1145 (exclude-files (gnus-score-get 'exclude-files alist))
1146 (orphan (car (gnus-score-get 'orphan alist)))
1147 (adapt (gnus-score-get 'adapt alist))
1148 (thread-mark-and-expunge
1149 (car (gnus-score-get 'thread-mark-and-expunge alist)))
1150 (adapt-file (car (gnus-score-get 'adapt-file alist)))
1151 (local (gnus-score-get 'local alist))
1152 (decay (car (gnus-score-get 'decay alist)))
1153 (eval (car (gnus-score-get 'eval alist))))
1154 ;; Perform possible decays.
6748645f
LMI
1155 (when (and gnus-decay-scores
1156 (or cached (file-exists-p file))
1157 (or (not decay)
1158 (gnus-decay-scores alist decay)))
1159 (gnus-score-set 'touched '(t) alist)
16409b0b 1160 (gnus-score-set 'decay (list (time-to-days (current-time))) alist))
eec82323
LMI
1161 ;; We do not respect eval and files atoms from global score
1162 ;; files.
6748645f
LMI
1163 (when (and files (not global))
1164 (setq lists (apply 'append lists
1165 (mapcar (lambda (file)
1166 (gnus-score-load-file file))
1167 (if adapt-file (cons adapt-file files)
1168 files)))))
1169 (when (and eval (not global))
1170 (eval eval))
eec82323
LMI
1171 ;; We then expand any exclude-file directives.
1172 (setq gnus-scores-exclude-files
1173 (nconc
6748645f
LMI
1174 (apply
1175 'nconc
1176 (mapcar
1177 (lambda (sfile)
1178 (list
1179 (expand-file-name sfile (file-name-directory file))
1180 (expand-file-name sfile gnus-kill-files-directory)))
1181 exclude-files))
eec82323 1182 gnus-scores-exclude-files))
6748645f 1183 (when local
eec82323
LMI
1184 (save-excursion
1185 (set-buffer gnus-summary-buffer)
1186 (while local
1187 (and (consp (car local))
1188 (symbolp (caar local))
1189 (progn
1190 (make-local-variable (caar local))
1191 (set (caar local) (nth 1 (car local)))))
1192 (setq local (cdr local)))))
1193 (when orphan
1194 (setq gnus-orphan-score orphan))
1195 (setq gnus-adaptive-score-alist
1196 (cond ((equal adapt '(t))
1197 (setq gnus-newsgroup-adaptive t)
1198 gnus-default-adaptive-score-alist)
1199 ((equal adapt '(ignore))
1200 (setq gnus-newsgroup-adaptive nil))
1201 ((consp adapt)
1202 (setq gnus-newsgroup-adaptive t)
1203 adapt)
1204 (t
1205 ;;(setq gnus-newsgroup-adaptive gnus-use-adaptive-scoring)
1206 gnus-default-adaptive-score-alist)))
1207 (setq gnus-thread-expunge-below
1208 (or thread-mark-and-expunge gnus-thread-expunge-below))
1209 (setq gnus-summary-mark-below
1210 (or mark mark-and-expunge gnus-summary-mark-below))
1211 (setq gnus-summary-expunge-below
1212 (or expunge mark-and-expunge gnus-summary-expunge-below))
1213 (setq gnus-newsgroup-adaptive-score-file
1214 (or adapt-file gnus-newsgroup-adaptive-score-file)))
1215 (setq gnus-current-score-file file)
1216 (setq gnus-score-alist alist)
1217 lists))
1218
1219(defun gnus-score-load (file)
1220 ;; Load score FILE.
1221 (let ((cache (assoc file gnus-score-cache)))
1222 (if cache
1223 (setq gnus-score-alist (cdr cache))
1224 (setq gnus-score-alist nil)
1225 (gnus-score-load-score-alist file)
1226 (unless gnus-score-alist
1227 (setq gnus-score-alist (copy-alist '((touched nil)))))
1228 (push (cons file gnus-score-alist) gnus-score-cache))))
1229
1230(defun gnus-score-remove-from-cache (file)
1231 (setq gnus-score-cache
1232 (delq (assoc file gnus-score-cache) gnus-score-cache)))
1233
1234(defun gnus-score-load-score-alist (file)
1235 "Read score FILE."
1236 (let (alist)
1237 (if (not (file-readable-p file))
1238 ;; Couldn't read file.
1239 (setq gnus-score-alist nil)
1240 ;; Read file.
16409b0b
GM
1241 (with-temp-buffer
1242 (let ((coding-system-for-read score-mode-coding-system))
1243 (insert-file-contents file))
eec82323
LMI
1244 (goto-char (point-min))
1245 ;; Only do the loading if the score file isn't empty.
1246 (when (save-excursion (re-search-forward "[()0-9a-zA-Z]" nil t))
1247 (setq alist
1248 (condition-case ()
1249 (read (current-buffer))
1250 (error
1251 (gnus-error 3.2 "Problem with score file %s" file))))))
6748645f
LMI
1252 (cond
1253 ((and alist
1254 (atom alist))
1255 ;; Bogus score file.
1256 (error "Invalid syntax with score file %s" file))
1257 ((eq (car alist) 'setq)
1258 ;; This is an old-style score file.
1259 (setq gnus-score-alist (gnus-score-transform-old-to-new alist)))
1260 (t
1261 (setq gnus-score-alist alist)))
eec82323
LMI
1262 ;; Check the syntax of the score file.
1263 (setq gnus-score-alist
1264 (gnus-score-check-syntax gnus-score-alist file)))))
1265
1266(defun gnus-score-check-syntax (alist file)
1267 "Check the syntax of the score ALIST."
1268 (cond
1269 ((null alist)
1270 nil)
1271 ((not (consp alist))
1272 (gnus-message 1 "Score file is not a list: %s" file)
1273 (ding)
1274 nil)
1275 (t
1276 (let ((a alist)
1277 sr err s type)
1278 (while (and a (not err))
1279 (setq
1280 err
1281 (cond
1282 ((not (listp (car a)))
16409b0b 1283 (format "Invalid score element %s in %s" (car a) file))
eec82323
LMI
1284 ((stringp (caar a))
1285 (cond
1286 ((not (listp (setq sr (cdar a))))
16409b0b 1287 (format "Invalid header match %s in %s" (nth 1 (car a)) file))
eec82323
LMI
1288 (t
1289 (setq type (caar a))
1290 (while (and sr (not err))
1291 (setq s (pop sr))
1292 (setq
1293 err
1294 (cond
1295 ((if (member (downcase type) '("lines" "chars"))
1296 (not (numberp (car s)))
1297 (not (stringp (car s))))
16409b0b 1298 (format "Invalid match %s in %s" (car s) file))
eec82323
LMI
1299 ((and (cadr s) (not (integerp (cadr s))))
1300 (format "Non-integer score %s in %s" (cadr s) file))
1301 ((and (caddr s) (not (integerp (caddr s))))
1302 (format "Non-integer date %s in %s" (caddr s) file))
1303 ((and (cadddr s) (not (symbolp (cadddr s))))
1304 (format "Non-symbol match type %s in %s" (cadddr s) file)))))
1305 err)))))
1306 (setq a (cdr a)))
1307 (if err
1308 (progn
1309 (ding)
1310 (gnus-message 3 err)
1311 (sit-for 2)
1312 nil)
1313 alist)))))
1314
1315(defun gnus-score-transform-old-to-new (alist)
1316 (let* ((alist (nth 2 alist))
1317 out entry)
1318 (when (eq (car alist) 'quote)
1319 (setq alist (nth 1 alist)))
1320 (while alist
1321 (setq entry (car alist))
1322 (if (stringp (car entry))
1323 (let ((scor (cdr entry)))
1324 (push entry out)
1325 (while scor
1326 (setcar scor
1327 (list (caar scor) (nth 2 (car scor))
1328 (and (nth 3 (car scor))
16409b0b 1329 (date-to-day (nth 3 (car scor))))
eec82323
LMI
1330 (if (nth 1 (car scor)) 'r 's)))
1331 (setq scor (cdr scor))))
1332 (push (if (not (listp (cdr entry)))
1333 (list (car entry) (cdr entry))
1334 entry)
1335 out))
1336 (setq alist (cdr alist)))
1337 (cons (list 'touched t) (nreverse out))))
1338
1339(defun gnus-score-save ()
1340 ;; Save all score information.
1341 (let ((cache gnus-score-cache)
1342 entry score file)
1343 (save-excursion
1344 (setq gnus-score-alist nil)
1345 (nnheader-set-temp-buffer " *Gnus Scores*")
1346 (while cache
1347 (current-buffer)
1348 (setq entry (pop cache)
16409b0b 1349 file (nnheader-translate-file-chars (car entry) t)
eec82323
LMI
1350 score (cdr entry))
1351 (if (or (not (equal (gnus-score-get 'touched score) '(t)))
1352 (gnus-score-get 'read-only score)
1353 (and (file-exists-p file)
1354 (not (file-writable-p file))))
1355 ()
6748645f 1356 (setq score (setcdr entry (gnus-delete-alist 'touched score)))
eec82323
LMI
1357 (erase-buffer)
1358 (let (emacs-lisp-mode-hook)
1359 (if (string-match
a8151ef7 1360 (concat (regexp-quote gnus-adaptive-file-suffix) "$")
eec82323
LMI
1361 file)
1362 ;; This is an adaptive score file, so we do not run
1363 ;; it through `pp'. These files can get huge, and
1364 ;; are not meant to be edited by human hands.
1365 (gnus-prin1 score)
1366 ;; This is a normal score file, so we print it very
1367 ;; prettily.
6748645f
LMI
1368 (let ((lisp-mode-syntax-table score-mode-syntax-table))
1369 (pp score (current-buffer)))))
eec82323
LMI
1370 (gnus-make-directory (file-name-directory file))
1371 ;; If the score file is empty, we delete it.
1372 (if (zerop (buffer-size))
1373 (delete-file file)
1374 ;; There are scores, so we write the file.
1375 (when (file-writable-p file)
16409b0b
GM
1376 (let ((coding-system-for-write score-mode-coding-system))
1377 (gnus-write-buffer file))
eec82323
LMI
1378 (when gnus-score-after-write-file-function
1379 (funcall gnus-score-after-write-file-function file)))))
1380 (and gnus-score-uncacheable-files
1381 (string-match gnus-score-uncacheable-files file)
1382 (gnus-score-remove-from-cache file)))
1383 (kill-buffer (current-buffer)))))
1384
1385(defun gnus-score-load-files (score-files)
1386 "Load all score files in SCORE-FILES."
1387 ;; Load the score files.
1388 (let (scores)
1389 (while score-files
1390 (if (stringp (car score-files))
1391 ;; It is a string, which means that it's a score file name,
1392 ;; so we load the score file and add the score alist to
1393 ;; the list of alists.
1394 (setq scores (nconc (gnus-score-load-file (car score-files)) scores))
1395 ;; It is an alist, so we just add it to the list directly.
1396 (setq scores (nconc (car score-files) scores)))
1397 (setq score-files (cdr score-files)))
1398 ;; Prune the score files that are to be excluded, if any.
1399 (when gnus-scores-exclude-files
1400 (let ((s scores)
1401 c)
1402 (while s
1403 (and (setq c (rassq (car s) gnus-score-cache))
1404 (member (car c) gnus-scores-exclude-files)
1405 (setq scores (delq (car s) scores)))
1406 (setq s (cdr s)))))
1407 scores))
1408
1409(defun gnus-score-headers (score-files &optional trace)
1410 ;; Score `gnus-newsgroup-headers'.
1411 (let (scores news)
1412 ;; PLM: probably this is not the best place to clear orphan-score
1413 (setq gnus-orphan-score nil
1414 gnus-scores-articles nil
1415 gnus-scores-exclude-files nil
1416 scores (gnus-score-load-files score-files))
1417 (setq news scores)
1418 ;; Do the scoring.
1419 (while news
1420 (setq scores news
1421 news nil)
1422 (when (and gnus-summary-default-score
1423 scores)
1424 (let* ((entries gnus-header-index)
16409b0b 1425 (now (date-to-day (current-time-string)))
eec82323
LMI
1426 (expire (and gnus-score-expiry-days
1427 (- now gnus-score-expiry-days)))
1428 (headers gnus-newsgroup-headers)
1429 (current-score-file gnus-current-score-file)
1430 entry header new)
1431 (gnus-message 5 "Scoring...")
1432 ;; Create articles, an alist of the form `(HEADER . SCORE)'.
1433 (while (setq header (pop headers))
1434 ;; WARNING: The assq makes the function O(N*S) while it could
1435 ;; be written as O(N+S), where N is (length gnus-newsgroup-headers)
1436 ;; and S is (length gnus-newsgroup-scored).
1437 (unless (assq (mail-header-number header) gnus-newsgroup-scored)
1438 (setq gnus-scores-articles ;Total of 2 * N cons-cells used.
1439 (cons (cons header (or gnus-summary-default-score 0))
1440 gnus-scores-articles))))
1441
1442 (save-excursion
6748645f 1443 (set-buffer (gnus-get-buffer-create "*Headers*"))
16409b0b 1444 (buffer-disable-undo)
6748645f
LMI
1445 (when (gnus-buffer-live-p gnus-summary-buffer)
1446 (message-clone-locals gnus-summary-buffer))
eec82323
LMI
1447
1448 ;; Set the global variant of this variable.
1449 (setq gnus-current-score-file current-score-file)
1450 ;; score orphans
1451 (when gnus-orphan-score
1452 (setq gnus-score-index
1453 (nth 1 (assoc "references" gnus-header-index)))
1454 (gnus-score-orphans gnus-orphan-score))
1455 ;; Run each header through the score process.
1456 (while entries
1457 (setq entry (pop entries)
1458 header (nth 0 entry)
1459 gnus-score-index (nth 1 (assoc header gnus-header-index)))
1460 (when (< 0 (apply 'max (mapcar
1461 (lambda (score)
1462 (length (gnus-score-get header score)))
1463 scores)))
1464 ;; Call the scoring function for this type of "header".
1465 (when (setq new (funcall (nth 2 entry) scores header
1466 now expire trace))
1467 (push new news))))
16409b0b
GM
1468 (when (gnus-buffer-live-p gnus-summary-buffer)
1469 (let ((scored gnus-newsgroup-scored))
1470 (with-current-buffer gnus-summary-buffer
1471 (setq gnus-newsgroup-scored scored))))
eec82323
LMI
1472 ;; Remove the buffer.
1473 (kill-buffer (current-buffer)))
1474
1475 ;; Add articles to `gnus-newsgroup-scored'.
1476 (while gnus-scores-articles
1477 (when (or (/= gnus-summary-default-score
1478 (cdar gnus-scores-articles))
1479 gnus-save-score)
1480 (push (cons (mail-header-number (caar gnus-scores-articles))
1481 (cdar gnus-scores-articles))
1482 gnus-newsgroup-scored))
1483 (setq gnus-scores-articles (cdr gnus-scores-articles)))
1484
1485 (let (score)
1486 (while (setq score (pop scores))
1487 (while score
16409b0b 1488 (when (consp (caar score))
eec82323
LMI
1489 (gnus-score-advanced (car score) trace))
1490 (pop score))))
1491
1492 (gnus-message 5 "Scoring...done"))))))
1493
16409b0b 1494(defun gnus-score-lower-thread (thread score-adjust)
676a7cc9 1495 "Lower the score on THREAD with SCORE-ADJUST.
16409b0b
GM
1496THREAD is expected to contain a list of the form `(PARENT [CHILD1
1497CHILD2 ...])' where PARENT is a header array and each CHILD is a list
03c1a35e 1498of the same form as THREAD. The empty list nil is valid. For each
16409b0b 1499article in the tree, the score of the corresponding entry in
39bb8e56 1500`gnus-newsgroup-scored' is adjusted by SCORE-ADJUST."
16409b0b
GM
1501 (while thread
1502 (let ((head (car thread)))
1503 (if (listp head)
1504 ;; handle a child and its descendants
1505 (gnus-score-lower-thread head score-adjust)
1506 ;; handle the parent
1507 (let* ((article (mail-header-number head))
1508 (score (assq article gnus-newsgroup-scored)))
1509 (if score (setcdr score (+ (cdr score) score-adjust))
1510 (push (cons article score-adjust) gnus-newsgroup-scored)))))
1511 (setq thread (cdr thread))))
eec82323 1512
eec82323 1513(defun gnus-score-orphans (score)
16409b0b
GM
1514 "Score orphans.
1515A root is an article with no references. An orphan is an article
1516which has references, but is not connected via its references to a
1517root article. This function finds all the orphans, and adjusts their
39bb8e56 1518score in `gnus-newsgroup-scored' by SCORE."
16409b0b
GM
1519 (let ((threads (gnus-make-threads)))
1520 ;; gnus-make-threads produces a list, where each entry is a "thread"
1521 ;; as described in the gnus-score-lower-thread docs. This function
1522 ;; will be called again (after limiting has been done) if the display
1523 ;; is threaded. It would be nice to somehow save this info and use
1524 ;; it later.
1525 (while threads
1526 (let* ((thread (car threads))
1527 (id (aref (car thread) gnus-score-index)))
1528 ;; If the parent of the thread is not a root, lower the score of
1529 ;; it and its descendants. Note that some roots seem to satisfy
1530 ;; (eq id nil) and some (eq id ""); not sure why.
1531 (if (and id (not (string= id "")))
1532 (gnus-score-lower-thread thread score)))
1533 (setq threads (cdr threads)))))
eec82323
LMI
1534
1535(defun gnus-score-integer (scores header now expire &optional trace)
1536 (let ((gnus-score-index (nth 1 (assoc header gnus-header-index)))
1537 entries alist)
eec82323
LMI
1538 ;; Find matches.
1539 (while scores
1540 (setq alist (car scores)
1541 scores (cdr scores)
1542 entries (assoc header alist))
1543 (while (cdr entries) ;First entry is the header index.
1544 (let* ((rest (cdr entries))
1545 (kill (car rest))
1546 (match (nth 0 kill))
1547 (type (or (nth 3 kill) '>))
1548 (score (or (nth 1 kill) gnus-score-interactive-default-score))
1549 (date (nth 2 kill))
1550 (found nil)
1551 (match-func (if (or (eq type '>) (eq type '<) (eq type '<=)
1552 (eq type '>=) (eq type '=))
1553 type
16409b0b 1554 (error "Invalid match type: %s" type)))
eec82323
LMI
1555 (articles gnus-scores-articles))
1556 ;; Instead of doing all the clever stuff that
1557 ;; `gnus-score-string' does to minimize searches and stuff,
1558 ;; I will assume that people generally will put so few
1559 ;; matches on numbers that any cleverness will take more
1560 ;; time than one would gain.
1561 (while articles
1562 (when (funcall match-func
1563 (or (aref (caar articles) gnus-score-index) 0)
1564 match)
1565 (when trace
1566 (push (cons (car-safe (rassq alist gnus-score-cache)) kill)
1567 gnus-score-trace))
1568 (setq found t)
1569 (setcdr (car articles) (+ score (cdar articles))))
1570 (setq articles (cdr articles)))
1571 ;; Update expire date
1572 (cond ((null date)) ;Permanent entry.
1573 ((and found gnus-update-score-entry-dates) ;Match, update date.
1574 (gnus-score-set 'touched '(t) alist)
1575 (setcar (nthcdr 2 kill) now))
1576 ((and expire (< date expire)) ;Old entry, remove.
1577 (gnus-score-set 'touched '(t) alist)
1578 (setcdr entries (cdr rest))
1579 (setq rest entries)))
1580 (setq entries rest)))))
1581 nil)
1582
1583(defun gnus-score-date (scores header now expire &optional trace)
1584 (let ((gnus-score-index (nth 1 (assoc header gnus-header-index)))
1585 entries alist match match-func article)
eec82323
LMI
1586 ;; Find matches.
1587 (while scores
1588 (setq alist (car scores)
1589 scores (cdr scores)
1590 entries (assoc header alist))
1591 (while (cdr entries) ;First entry is the header index.
1592 (let* ((rest (cdr entries))
1593 (kill (car rest))
1594 (type (or (nth 3 kill) 'before))
1595 (score (or (nth 1 kill) gnus-score-interactive-default-score))
1596 (date (nth 2 kill))
1597 (found nil)
1598 (articles gnus-scores-articles)
1599 l)
1600 (cond
1601 ((eq type 'after)
1602 (setq match-func 'string<
1603 match (gnus-date-iso8601 (nth 0 kill))))
1604 ((eq type 'before)
1605 (setq match-func 'gnus-string>
1606 match (gnus-date-iso8601 (nth 0 kill))))
1607 ((eq type 'at)
1608 (setq match-func 'string=
1609 match (gnus-date-iso8601 (nth 0 kill))))
1610 ((eq type 'regexp)
1611 (setq match-func 'string-match
1612 match (nth 0 kill)))
16409b0b 1613 (t (error "Invalid match type: %s" type)))
eec82323
LMI
1614 ;; Instead of doing all the clever stuff that
1615 ;; `gnus-score-string' does to minimize searches and stuff,
1616 ;; I will assume that people generally will put so few
1617 ;; matches on numbers that any cleverness will take more
1618 ;; time than one would gain.
1619 (while (setq article (pop articles))
1620 (when (and
1621 (setq l (aref (car article) gnus-score-index))
1622 (funcall match-func match (gnus-date-iso8601 l)))
1623 (when trace
1624 (push (cons (car-safe (rassq alist gnus-score-cache)) kill)
1625 gnus-score-trace))
1626 (setq found t)
1627 (setcdr article (+ score (cdr article)))))
1628 ;; Update expire date
1629 (cond ((null date)) ;Permanent entry.
1630 ((and found gnus-update-score-entry-dates) ;Match, update date.
1631 (gnus-score-set 'touched '(t) alist)
1632 (setcar (nthcdr 2 kill) now))
1633 ((and expire (< date expire)) ;Old entry, remove.
1634 (gnus-score-set 'touched '(t) alist)
1635 (setcdr entries (cdr rest))
1636 (setq rest entries)))
1637 (setq entries rest)))))
1638 nil)
1639
1640(defun gnus-score-body (scores header now expire &optional trace)
59896c4c
DL
1641 (if gnus-agent-fetching
1642 nil
1643 (save-excursion
1644 (setq gnus-scores-articles
1645 (sort gnus-scores-articles
1646 (lambda (a1 a2)
1647 (< (mail-header-number (car a1))
1648 (mail-header-number (car a2))))))
1649 (set-buffer nntp-server-buffer)
1650 (save-restriction
1651 (let* ((buffer-read-only nil)
1652 (articles gnus-scores-articles)
1653 (all-scores scores)
1654 (request-func (cond ((string= "head" header)
1655 'gnus-request-head)
1656 ((string= "body" header)
1657 'gnus-request-body)
1658 (t 'gnus-request-article)))
1659 entries alist ofunc article last)
1660 (when articles
1661 (setq last (mail-header-number (caar (last articles))))
eec82323 1662 ;; Not all backends support partial fetching. In that case,
59896c4c
DL
1663 ;; we just fetch the entire article.
1664 (unless (gnus-check-backend-function
1665 (and (string-match "^gnus-" (symbol-name request-func))
1666 (intern (substring (symbol-name request-func)
1667 (match-end 0))))
1668 gnus-newsgroup-name)
1669 (setq ofunc request-func)
1670 (setq request-func 'gnus-request-article))
1671 (while articles
1672 (setq article (mail-header-number (caar articles)))
1673 (gnus-message 7 "Scoring article %s of %s..." article last)
1674 (widen)
1675 (when (funcall request-func article gnus-newsgroup-name)
1676 (goto-char (point-min))
1677 ;; If just parts of the article is to be searched, but the
1678 ;; backend didn't support partial fetching, we just narrow
1679 ;; to the relevant parts.
1680 (when ofunc
1681 (if (eq ofunc 'gnus-request-head)
1682 (narrow-to-region
1683 (point)
1684 (or (search-forward "\n\n" nil t) (point-max)))
eec82323 1685 (narrow-to-region
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1686 (or (search-forward "\n\n" nil t) (point))
1687 (point-max))))
1688 (setq scores all-scores)
1689 ;; Find matches.
1690 (while scores
1691 (setq alist (pop scores)
1692 entries (assoc header alist))
1693 (while (cdr entries) ;First entry is the header index.
1694 (let* ((rest (cdr entries))
1695 (kill (car rest))
1696 (match (nth 0 kill))
1697 (type (or (nth 3 kill) 's))
1698 (score (or (nth 1 kill)
1699 gnus-score-interactive-default-score))
1700 (date (nth 2 kill))
1701 (found nil)
1702 (case-fold-search
1703 (not (or (eq type 'R) (eq type 'S)
1704 (eq type 'Regexp) (eq type 'String))))
1705 (search-func
1706 (cond ((or (eq type 'r) (eq type 'R)
1707 (eq type 'regexp) (eq type 'Regexp))
1708 're-search-forward)
1709 ((or (eq type 's) (eq type 'S)
1710 (eq type 'string) (eq type 'String))
1711 'search-forward)
1712 (t
1713 (error "Invalid match type: %s" type)))))
1714 (goto-char (point-min))
1715 (when (funcall search-func match nil t)
1716 ;; Found a match, update scores.
1717 (setcdr (car articles) (+ score (cdar articles)))
1718 (setq found t)
1719 (when trace
1720 (push
1721 (cons (car-safe (rassq alist gnus-score-cache)) kill)
1722 gnus-score-trace)))
1723 ;; Update expire date
1724 (unless trace
1725 (cond
1726 ((null date)) ;Permanent entry.
1727 ((and found gnus-update-score-entry-dates)
1728 ;; Match, update date.
1729 (gnus-score-set 'touched '(t) alist)
1730 (setcar (nthcdr 2 kill) now))
1731 ((and expire (< date expire)) ;Old entry, remove.
1732 (gnus-score-set 'touched '(t) alist)
1733 (setcdr entries (cdr rest))
1734 (setq rest entries))))
1735 (setq entries rest)))))
1736 (setq articles (cdr articles)))))))
1737 nil))
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1738
1739(defun gnus-score-thread (scores header now expire &optional trace)
1740 (gnus-score-followup scores header now expire trace t))
1741
1742(defun gnus-score-followup (scores header now expire &optional trace thread)
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1743 (if gnus-agent-fetching
1744 ;; FIXME: It seems doable in fetching mode.
1745 nil
1746 ;; Insert the unique article headers in the buffer.
1747 (let ((gnus-score-index (nth 1 (assoc header gnus-header-index)))
1748 (current-score-file gnus-current-score-file)
1749 (all-scores scores)
1750 ;; gnus-score-index is used as a free variable.
1751 alike last this art entries alist articles
1752 new news)
676a7cc9 1753
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1754 ;; Change score file to the adaptive score file. All entries that
1755 ;; this function makes will be put into this file.
1756 (save-excursion
1757 (set-buffer gnus-summary-buffer)
1758 (gnus-score-load-file
1759 (or gnus-newsgroup-adaptive-score-file
1760 (gnus-score-file-name
1761 gnus-newsgroup-name gnus-adaptive-file-suffix))))
eec82323 1762
676a7cc9 1763 (setq gnus-scores-articles (sort gnus-scores-articles
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1764 'gnus-score-string<)
1765 articles gnus-scores-articles)
eec82323 1766
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1767 (erase-buffer)
1768 (while articles
1769 (setq art (car articles)
1770 this (aref (car art) gnus-score-index)
1771 articles (cdr articles))
1772 (if (equal last this)
1773 (push art alike)
1774 (when last
1775 (insert last ?\n)
1776 (put-text-property (1- (point)) (point) 'articles alike))
1777 (setq alike (list art)
1778 last this)))
1779 (when last ; Bwadr, duplicate code.
1780 (insert last ?\n)
1781 (put-text-property (1- (point)) (point) 'articles alike))
1782
1783 ;; Find matches.
1784 (while scores
1785 (setq alist (car scores)
1786 scores (cdr scores)
1787 entries (assoc header alist))
1788 (while (cdr entries) ;First entry is the header index.
1789 (let* ((rest (cdr entries))
1790 (kill (car rest))
1791 (match (nth 0 kill))
1792 (type (or (nth 3 kill) 's))
1793 (score (or (nth 1 kill) gnus-score-interactive-default-score))
1794 (date (nth 2 kill))
1795 (found nil)
1796 (mt (aref (symbol-name type) 0))
1797 (case-fold-search
1798 (not (or (= mt ?R) (= mt ?S) (= mt ?E) (= mt ?F))))
1799 (dmt (downcase mt))
1800 (search-func
1801 (cond ((= dmt ?r) 're-search-forward)
1802 ((or (= dmt ?e) (= dmt ?s) (= dmt ?f)) 'search-forward)
1803 (t (error "Invalid match type: %s" type))))
1804 arts art)
1805 (goto-char (point-min))
1806 (if (= dmt ?e)
1807 (while (funcall search-func match nil t)
1808 (and (= (progn (beginning-of-line) (point))
1809 (match-beginning 0))
1810 (= (progn (end-of-line) (point))
1811 (match-end 0))
1812 (progn
1813 (setq found (setq arts (get-text-property
1814 (point) 'articles)))
1815 ;; Found a match, update scores.
1816 (while arts
1817 (setq art (car arts)
1818 arts (cdr arts))
1819 (gnus-score-add-followups
1820 (car art) score all-scores thread))))
1821 (end-of-line))
eec82323 1822 (while (funcall search-func match nil t)
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1823 (end-of-line)
1824 (setq found (setq arts (get-text-property (point) 'articles)))
1825 ;; Found a match, update scores.
1826 (while (setq art (pop arts))
1827 (when (setq new (gnus-score-add-followups
1828 (car art) score all-scores thread))
1829 (push new news)))))
1830 ;; Update expire date
1831 (cond ((null date)) ;Permanent entry.
676a7cc9 1832 ((and found gnus-update-score-entry-dates)
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1833 ;Match, update date.
1834 (gnus-score-set 'touched '(t) alist)
1835 (setcar (nthcdr 2 kill) now))
1836 ((and expire (< date expire)) ;Old entry, remove.
1837 (gnus-score-set 'touched '(t) alist)
1838 (setcdr entries (cdr rest))
1839 (setq rest entries)))
1840 (setq entries rest))))
1841 ;; We change the score file back to the previous one.
1842 (save-excursion
1843 (set-buffer gnus-summary-buffer)
1844 (gnus-score-load-file current-score-file))
1845 (list (cons "references" news)))))
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1846
1847(defun gnus-score-add-followups (header score scores &optional thread)
1848 "Add a score entry to the adapt file."
1849 (save-excursion
1850 (set-buffer gnus-summary-buffer)
1851 (let* ((id (mail-header-id header))
1852 (scores (car scores))
1853 entry dont)
1854 ;; Don't enter a score if there already is one.
1855 (while (setq entry (pop scores))
1856 (and (equal "references" (car entry))
1857 (or (null (nth 3 (cadr entry)))
1858 (eq 's (nth 3 (cadr entry))))
1859 (assoc id entry)
1860 (setq dont t)))
1861 (unless dont
1862 (gnus-summary-score-entry
1863 (if thread "thread" "references")
1864 id 's score (current-time-string) nil t)))))
1865
1866(defun gnus-score-string (score-list header now expire &optional trace)
1867 ;; Score ARTICLES according to HEADER in SCORE-LIST.
1868 ;; Update matching entries to NOW and remove unmatched entries older
1869 ;; than EXPIRE.
1870
1871 ;; Insert the unique article headers in the buffer.
1872 (let ((gnus-score-index (nth 1 (assoc header gnus-header-index)))
1873 ;; gnus-score-index is used as a free variable.
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1874 (simplify (and gnus-score-thread-simplify
1875 (string= "subject" header)))
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1876 alike last this art entries alist articles
1877 fuzzies arts words kill)
1878
1879 ;; Sorting the articles costs os O(N*log N) but will allow us to
1880 ;; only match with each unique header. Thus the actual matching
1881 ;; will be O(M*U) where M is the number of strings to match with,
1882 ;; and U is the number of unique headers. It is assumed (but
1883 ;; untested) this will be a net win because of the large constant
1884 ;; factor involved with string matching.
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1885 (setq gnus-scores-articles
1886 ;; We cannot string-sort the extra headers list. *sigh*
1887 (if (= gnus-score-index 9)
1888 gnus-scores-articles
1889 (sort gnus-scores-articles 'gnus-score-string<))
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1890 articles gnus-scores-articles)
1891
1892 (erase-buffer)
1893 (while (setq art (pop articles))
1894 (setq this (aref (car art) gnus-score-index))
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1895
1896 ;; If we're working with non-standard headers, we are stuck
1897 ;; with working on them as a group. What a hassle.
1898 ;; Just wait 'til you see what horrors we commit against `match'...
1899 (if (= gnus-score-index 9)
1900 (setq this (prin1-to-string this))) ; ick.
1901
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1902 (if simplify
1903 (setq this (gnus-map-function gnus-simplify-subject-functions this)))
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1904 (if (equal last this)
1905 ;; O(N*H) cons-cells used here, where H is the number of
1906 ;; headers.
1907 (push art alike)
1908 (when last
1909 ;; Insert the line, with a text property on the
1910 ;; terminating newline referring to the articles with
1911 ;; this line.
1912 (insert last ?\n)
1913 (put-text-property (1- (point)) (point) 'articles alike))
1914 (setq alike (list art)
1915 last this)))
1916 (when last ; Bwadr, duplicate code.
1917 (insert last ?\n)
1918 (put-text-property (1- (point)) (point) 'articles alike))
1919
1920 ;; Go through all the score alists and pick out the entries
1921 ;; for this header.
1922 (while score-list
1923 (setq alist (pop score-list)
1924 ;; There's only one instance of this header for
1925 ;; each score alist.
1926 entries (assoc header alist))
1927 (while (cdr entries) ;First entry is the header index.
1928 (let* ((kill (cadr entries))
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1929 (type (or (nth 3 kill) 's))
1930 (score (or (nth 1 kill) gnus-score-interactive-default-score))
1931 (date (nth 2 kill))
16409b0b 1932 (extra (nth 4 kill)) ; non-standard header; string.
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1933 (found nil)
1934 (mt (aref (symbol-name type) 0))
1935 (case-fold-search (not (memq mt '(?R ?S ?E ?F))))
1936 (dmt (downcase mt))
16409b0b 1937 ;; Assume user already simplified regexp and fuzzies
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1938 (match (if (and simplify (not (memq dmt '(?f ?r))))
1939 (gnus-map-function
1940 gnus-simplify-subject-functions
1941 (nth 0 kill))
1942 (nth 0 kill)))
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1943 (search-func
1944 (cond ((= dmt ?r) 're-search-forward)
1945 ((or (= dmt ?e) (= dmt ?s) (= dmt ?f)) 'search-forward)
1946 ((= dmt ?w) nil)
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GM
1947 (t (error "Invalid match type: %s" type)))))
1948
1949 ;; Evil hackery to make match usable in non-standard headers.
1950 (when extra
1951 (setq match (concat "[ (](" extra " \\. \"[^)]*"
1952 match "[^(]*\")[ )]")
1953 search-func 're-search-forward)) ; XXX danger?!?
1954
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1955 (cond
1956 ;; Fuzzy matches. We save these for later.
1957 ((= dmt ?f)
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1958 (push (cons entries alist) fuzzies)
1959 (setq entries (cdr entries)))
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1960 ;; Word matches. Save these for even later.
1961 ((= dmt ?w)
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1962 (push (cons entries alist) words)
1963 (setq entries (cdr entries)))
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1964 ;; Exact matches.
1965 ((= dmt ?e)
1966 ;; Do exact matching.
1967 (goto-char (point-min))
1968 (while (and (not (eobp))
1969 (funcall search-func match nil t))
1970 ;; Is it really exact?
1971 (and (eolp)
1972 (= (gnus-point-at-bol) (match-beginning 0))
1973 ;; Yup.
1974 (progn
1975 (setq found (setq arts (get-text-property
1976 (point) 'articles)))
1977 ;; Found a match, update scores.
1978 (if trace
1979 (while (setq art (pop arts))
1980 (setcdr art (+ score (cdr art)))
1981 (push
1982 (cons
1983 (car-safe (rassq alist gnus-score-cache))
1984 kill)
1985 gnus-score-trace))
1986 (while (setq art (pop arts))
1987 (setcdr art (+ score (cdr art)))))))
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1988 (forward-line 1))
1989 ;; Update expiry date
1990 (if trace
1991 (setq entries (cdr entries))
1992 (cond
1993 ;; Permanent entry.
1994 ((null date)
1995 (setq entries (cdr entries)))
1996 ;; We have a match, so we update the date.
1997 ((and found gnus-update-score-entry-dates)
1998 (gnus-score-set 'touched '(t) alist)
1999 (setcar (nthcdr 2 kill) now)
2000 (setq entries (cdr entries)))
2001 ;; This entry has expired, so we remove it.
2002 ((and expire (< date expire))
2003 (gnus-score-set 'touched '(t) alist)
2004 (setcdr entries (cddr entries)))
2005 ;; No match; go to next entry.
2006 (t
2007 (setq entries (cdr entries))))))
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2008 ;; Regexp and substring matching.
2009 (t
2010 (goto-char (point-min))
2011 (when (string= match "")
2012 (setq match "\n"))
2013 (while (and (not (eobp))
2014 (funcall search-func match nil t))
2015 (goto-char (match-beginning 0))
2016 (end-of-line)
2017 (setq found (setq arts (get-text-property (point) 'articles)))
2018 ;; Found a match, update scores.
2019 (if trace
2020 (while (setq art (pop arts))
2021 (setcdr art (+ score (cdr art)))
2022 (push (cons (car-safe (rassq alist gnus-score-cache)) kill)
2023 gnus-score-trace))
2024 (while (setq art (pop arts))
2025 (setcdr art (+ score (cdr art)))))
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2026 (forward-line 1))
2027 ;; Update expiry date
2028 (if trace
2029 (setq entries (cdr entries))
2030 (cond
2031 ;; Permanent entry.
2032 ((null date)
2033 (setq entries (cdr entries)))
2034 ;; We have a match, so we update the date.
2035 ((and found gnus-update-score-entry-dates)
2036 (gnus-score-set 'touched '(t) alist)
2037 (setcar (nthcdr 2 kill) now)
2038 (setq entries (cdr entries)))
2039 ;; This entry has expired, so we remove it.
2040 ((and expire (< date expire))
2041 (gnus-score-set 'touched '(t) alist)
2042 (setcdr entries (cddr entries)))
2043 ;; No match; go to next entry.
2044 (t
2045 (setq entries (cdr entries))))))))))
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2046
2047 ;; Find fuzzy matches.
2048 (when fuzzies
2049 ;; Simplify the entire buffer for easy matching.
2050 (gnus-simplify-buffer-fuzzy)
2051 (while (setq kill (cadaar fuzzies))
2052 (let* ((match (nth 0 kill))
2053 (type (nth 3 kill))
2054 (score (or (nth 1 kill) gnus-score-interactive-default-score))
2055 (date (nth 2 kill))
2056 (mt (aref (symbol-name type) 0))
2057 (case-fold-search (not (= mt ?F)))
2058 found)
2059 (goto-char (point-min))
2060 (while (and (not (eobp))
2061 (search-forward match nil t))
2062 (when (and (= (gnus-point-at-bol) (match-beginning 0))
2063 (eolp))
2064 (setq found (setq arts (get-text-property (point) 'articles)))
2065 (if trace
2066 (while (setq art (pop arts))
2067 (setcdr art (+ score (cdr art)))
2068 (push (cons
2069 (car-safe (rassq (cdar fuzzies) gnus-score-cache))
2070 kill)
2071 gnus-score-trace))
2072 ;; Found a match, update scores.
2073 (while (setq art (pop arts))
2074 (setcdr art (+ score (cdr art))))))
2075 (forward-line 1))
2076 ;; Update expiry date
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2077 (if (not trace)
2078 (cond
2079 ;; Permanent.
2080 ((null date)
16409b0b 2081 ;; Do nothing.
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2082 )
2083 ;; Match, update date.
2084 ((and found gnus-update-score-entry-dates)
2085 (gnus-score-set 'touched '(t) (cdar fuzzies))
2086 (setcar (nthcdr 2 kill) now))
2087 ;; Old entry, remove.
2088 ((and expire (< date expire))
2089 (gnus-score-set 'touched '(t) (cdar fuzzies))
2090 (setcdr (caar fuzzies) (cddaar fuzzies)))))
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2091 (setq fuzzies (cdr fuzzies)))))
2092
2093 (when words
2094 ;; Enter all words into the hashtb.
2095 (let ((hashtb (gnus-make-hashtable
2096 (* 10 (count-lines (point-min) (point-max))))))
2097 (gnus-enter-score-words-into-hashtb hashtb)
2098 (while (setq kill (cadaar words))
2099 (let* ((score (or (nth 1 kill) gnus-score-interactive-default-score))
2100 (date (nth 2 kill))
2101 found)
2102 (when (setq arts (intern-soft (nth 0 kill) hashtb))
2103 (setq arts (symbol-value arts))
2104 (setq found t)
2105 (if trace
2106 (while (setq art (pop arts))
2107 (setcdr art (+ score (cdr art)))
2108 (push (cons
2109 (car-safe (rassq (cdar words) gnus-score-cache))
2110 kill)
2111 gnus-score-trace))
2112 ;; Found a match, update scores.
2113 (while (setq art (pop arts))
2114 (setcdr art (+ score (cdr art))))))
2115 ;; Update expiry date
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2116 (if (not trace)
2117 (cond
2118 ;; Permanent.
2119 ((null date)
16409b0b 2120 ;; Do nothing.
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2121 )
2122 ;; Match, update date.
2123 ((and found gnus-update-score-entry-dates)
2124 (gnus-score-set 'touched '(t) (cdar words))
2125 (setcar (nthcdr 2 kill) now))
2126 ;; Old entry, remove.
2127 ((and expire (< date expire))
2128 (gnus-score-set 'touched '(t) (cdar words))
2129 (setcdr (caar words) (cddaar words)))))
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2130 (setq words (cdr words))))))
2131 nil))
2132
2133(defun gnus-enter-score-words-into-hashtb (hashtb)
2134 ;; Find all the words in the buffer and enter them into
2135 ;; the hashtable.
2136 (let ((syntab (syntax-table))
2137 word val)
2138 (goto-char (point-min))
2139 (unwind-protect
2140 (progn
2141 (set-syntax-table gnus-adaptive-word-syntax-table)
2142 (while (re-search-forward "\\b\\w+\\b" nil t)
2143 (setq val
2144 (gnus-gethash
2145 (setq word (downcase (buffer-substring
2146 (match-beginning 0) (match-end 0))))
2147 hashtb))
2148 (gnus-sethash
2149 word
2150 (append (get-text-property (gnus-point-at-eol) 'articles) val)
2151 hashtb)))
2152 (set-syntax-table syntab))
2153 ;; Make all the ignorable words ignored.
2154 (let ((ignored (append gnus-ignored-adaptive-words
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2155 (if gnus-adaptive-word-no-group-words
2156 (message-tokenize-header
2157 (gnus-group-real-name gnus-newsgroup-name)
2158 "."))
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2159 gnus-default-ignored-adaptive-words)))
2160 (while ignored
2161 (gnus-sethash (pop ignored) nil hashtb)))))
2162
2163(defun gnus-score-string< (a1 a2)
2164 ;; Compare headers in articles A2 and A2.
2165 ;; The header index used is the free variable `gnus-score-index'.
2166 (string-lessp (aref (car a1) gnus-score-index)
2167 (aref (car a2) gnus-score-index)))
2168
2169(defun gnus-current-score-file-nondirectory (&optional score-file)
2170 (let ((score-file (or score-file gnus-current-score-file)))
2171 (if score-file
2172 (gnus-short-group-name (file-name-nondirectory score-file))
2173 "none")))
2174
2175(defun gnus-score-adaptive ()
2176 "Create adaptive score rules for this newsgroup."
2177 (when gnus-newsgroup-adaptive
2178 ;; We change the score file to the adaptive score file.
2179 (save-excursion
2180 (set-buffer gnus-summary-buffer)
2181 (gnus-score-load-file
2182 (or gnus-newsgroup-adaptive-score-file
6748645f 2183 (gnus-home-score-file gnus-newsgroup-name t)
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2184 (gnus-score-file-name
2185 gnus-newsgroup-name gnus-adaptive-file-suffix))))
2186 ;; Perform ordinary line scoring.
2187 (when (or (not (listp gnus-newsgroup-adaptive))
2188 (memq 'line gnus-newsgroup-adaptive))
2189 (save-excursion
2190 (let* ((malist (gnus-copy-sequence gnus-adaptive-score-alist))
2191 (alist malist)
2192 (date (current-time-string))
2193 (data gnus-newsgroup-data)
6748645f 2194 elem headers match func)
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2195 ;; First we transform the adaptive rule alist into something
2196 ;; that's faster to process.
2197 (while malist
2198 (setq elem (car malist))
2199 (when (symbolp (car elem))
2200 (setcar elem (symbol-value (car elem))))
2201 (setq elem (cdr elem))
2202 (while elem
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2203 (when (fboundp
2204 (setq func
2205 (intern
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2206 (concat "mail-header-"
2207 (if (eq (caar elem) 'followup)
2208 "message-id"
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2209 (downcase (symbol-name (caar elem))))))))
2210 (setcdr (car elem)
2211 (cons (if (eq (caar elem) 'followup)
2212 "references"
2213 (symbol-name (caar elem)))
2214 (cdar elem)))
2215 (setcar (car elem)
2216 `(lambda (h)
2217 (,func h))))
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2218 (setq elem (cdr elem)))
2219 (setq malist (cdr malist)))
2220 ;; Then we score away.
2221 (while data
2222 (setq elem (cdr (assq (gnus-data-mark (car data)) alist)))
2223 (if (or (not elem)
2224 (gnus-data-pseudo-p (car data)))
2225 ()
2226 (when (setq headers (gnus-data-header (car data)))
2227 (while elem
2228 (setq match (funcall (caar elem) headers))
2229 (gnus-summary-score-entry
2230 (nth 1 (car elem)) match
2231 (cond
2232 ((numberp match)
2233 '=)
2234 ((equal (nth 1 (car elem)) "date")
2235 'a)
2236 (t
2237 ;; Whether we use substring or exact matches is
2238 ;; controlled here.
2239 (if (or (not gnus-score-exact-adapt-limit)
2240 (< (length match) gnus-score-exact-adapt-limit))
2241 'e
2242 (if (equal (nth 1 (car elem)) "subject")
2243 'f 's))))
2244 (nth 2 (car elem)) date nil t)
2245 (setq elem (cdr elem)))))
2246 (setq data (cdr data))))))
2247
2248 ;; Perform adaptive word scoring.
2249 (when (and (listp gnus-newsgroup-adaptive)
2250 (memq 'word gnus-newsgroup-adaptive))
16409b0b 2251 (with-temp-buffer
eec82323 2252 (let* ((hashtb (gnus-make-hashtable 1000))
16409b0b 2253 (date (date-to-day (current-time-string)))
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2254 (data gnus-newsgroup-data)
2255 (syntab (syntax-table))
2256 word d score val)
2257 (unwind-protect
2258 (progn
2259 (set-syntax-table gnus-adaptive-word-syntax-table)
2260 ;; Go through all articles.
2261 (while (setq d (pop data))
2262 (when (and
2263 (not (gnus-data-pseudo-p d))
2264 (setq score
2265 (cdr (assq
2266 (gnus-data-mark d)
2267 gnus-adaptive-word-score-alist))))
2268 ;; This article has a mark that should lead to
2269 ;; adaptive word rules, so we insert the subject
2270 ;; and find all words in that string.
2271 (insert (mail-header-subject (gnus-data-header d)))
2272 (downcase-region (point-min) (point-max))
2273 (goto-char (point-min))
2274 (while (re-search-forward "\\b\\w+\\b" nil t)
2275 ;; Put the word and score into the hashtb.
2276 (setq val (gnus-gethash (setq word (match-string 0))
2277 hashtb))
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2278 (setq val (+ score (or val 0)))
2279 (if (and gnus-adaptive-word-minimum
2280 (< val gnus-adaptive-word-minimum))
2281 (setq val gnus-adaptive-word-minimum))
2282 (gnus-sethash word val hashtb))
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2283 (erase-buffer))))
2284 (set-syntax-table syntab))
2285 ;; Make all the ignorable words ignored.
2286 (let ((ignored (append gnus-ignored-adaptive-words
6748645f
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2287 (if gnus-adaptive-word-no-group-words
2288 (message-tokenize-header
16409b0b 2289 (gnus-group-real-name
6748645f
LMI
2290 gnus-newsgroup-name)
2291 "."))
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2292 gnus-default-ignored-adaptive-words)))
2293 (while ignored
2294 (gnus-sethash (pop ignored) nil hashtb)))
2295 ;; Now we have all the words and scores, so we
2296 ;; add these rules to the ADAPT file.
2297 (set-buffer gnus-summary-buffer)
2298 (mapatoms
2299 (lambda (word)
2300 (when (symbol-value word)
2301 (gnus-summary-score-entry
2302 "subject" (symbol-name word) 'w (symbol-value word)
2303 date nil t)))
2304 hashtb))))))
2305
2306(defun gnus-score-edit-done ()
2307 (let ((bufnam (buffer-file-name (current-buffer)))
2308 (winconf gnus-prev-winconf))
2309 (when winconf
2310 (set-window-configuration winconf))
2311 (gnus-score-remove-from-cache bufnam)
2312 (gnus-score-load-file bufnam)))
2313
2314(defun gnus-score-find-trace ()
2315 "Find all score rules that applies to the current article."
2316 (interactive)
2317 (let ((old-scored gnus-newsgroup-scored))
2318 (let ((gnus-newsgroup-headers
2319 (list (gnus-summary-article-header)))
2320 (gnus-newsgroup-scored nil)
2321 trace)
2322 (save-excursion
2323 (nnheader-set-temp-buffer "*Score Trace*"))
2324 (setq gnus-score-trace nil)
2325 (gnus-possibly-score-headers 'trace)
2326 (if (not (setq trace gnus-score-trace))
2327 (gnus-error
2328 1 "No score rules apply to the current article (default score %d)."
2329 gnus-summary-default-score)
2330 (set-buffer "*Score Trace*")
16409b0b 2331 (setq truncate-lines t)
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2332 (while trace
2333 (insert (format "%S -> %s\n" (cdar trace)
16409b0b 2334 (or (caar trace) "(non-file rule)")))
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2335 (setq trace (cdr trace)))
2336 (goto-char (point-min))
2337 (gnus-configure-windows 'score-trace)))
2338 (set-buffer gnus-summary-buffer)
2339 (setq gnus-newsgroup-scored old-scored)))
2340
2341(defun gnus-score-find-favourite-words ()
2342 "List words used in scoring."
2343 (interactive)
2344 (let ((alists (gnus-score-load-files (gnus-all-score-files)))
2345 alist rule rules kill)
2346 ;; Go through all the score alists for this group
2347 ;; and find all `w' rules.
2348 (while (setq alist (pop alists))
2349 (while (setq rule (pop alist))
2350 (when (and (stringp (car rule))
2351 (equal "subject" (downcase (pop rule))))
2352 (while (setq kill (pop rule))
2353 (when (memq (nth 3 kill) '(w W word Word))
2354 (push (cons (or (nth 1 kill)
2355 gnus-score-interactive-default-score)
2356 (car kill))
2357 rules))))))
2358 (setq rules (sort rules (lambda (r1 r2)
2359 (string-lessp (cdr r1) (cdr r2)))))
2360 ;; Add up words that have appeared several times.
2361 (let ((r rules))
2362 (while (cdr r)
2363 (if (equal (cdar r) (cdadr r))
2364 (progn
2365 (setcar (car r) (+ (caar r) (caadr r)))
2366 (setcdr r (cddr r)))
2367 (pop r))))
2368 ;; Insert the words.
2369 (nnheader-set-temp-buffer "*Score Words*")
2370 (if (not (setq rules (sort rules (lambda (r1 r2) (> (car r1) (car r2))))))
2371 (gnus-error 3 "No word score rules")
2372 (while rules
2373 (insert (format "%-5d: %s\n" (caar rules) (cdar rules)))
2374 (pop rules))
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2375 (goto-char (point-min))
2376 (gnus-configure-windows 'score-words))))
2377
2378(defun gnus-summary-rescore ()
2379 "Redo the entire scoring process in the current summary."
2380 (interactive)
2381 (gnus-score-save)
2382 (setq gnus-score-cache nil)
2383 (setq gnus-newsgroup-scored nil)
2384 (gnus-possibly-score-headers)
2385 (gnus-score-update-all-lines))
2386
2387(defun gnus-score-flush-cache ()
2388 "Flush the cache of score files."
2389 (interactive)
2390 (gnus-score-save)
2391 (setq gnus-score-cache nil
2392 gnus-score-alist nil
2393 gnus-short-name-score-file-cache nil)
2394 (gnus-message 6 "The score cache is now flushed"))
2395
2396(gnus-add-shutdown 'gnus-score-close 'gnus)
2397
2398(defvar gnus-score-file-alist-cache nil)
2399
2400(defun gnus-score-close ()
2401 "Clear all internal score variables."
2402 (setq gnus-score-cache nil
2403 gnus-internal-global-score-files nil
2404 gnus-score-file-list nil
2405 gnus-score-file-alist-cache nil))
2406
2407;; Summary score marking commands.
2408
2409(defun gnus-summary-raise-same-subject-and-select (score)
2410 "Raise articles which has the same subject with SCORE and select the next."
2411 (interactive "p")
2412 (let ((subject (gnus-summary-article-subject)))
2413 (gnus-summary-raise-score score)
2414 (while (gnus-summary-find-subject subject)
2415 (gnus-summary-raise-score score))
2416 (gnus-summary-next-article t)))
2417
2418(defun gnus-summary-raise-same-subject (score)
2419 "Raise articles which has the same subject with SCORE."
2420 (interactive "p")
2421 (let ((subject (gnus-summary-article-subject)))
2422 (gnus-summary-raise-score score)
2423 (while (gnus-summary-find-subject subject)
2424 (gnus-summary-raise-score score))
2425 (gnus-summary-next-subject 1 t)))
2426
16409b0b 2427(defun gnus-score-delta-default (level)
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LMI
2428 (if level (prefix-numeric-value level)
2429 gnus-score-interactive-default-score))
2430
2431(defun gnus-summary-raise-thread (&optional score)
2432 "Raise the score of the articles in the current thread with SCORE."
2433 (interactive "P")
16409b0b 2434 (setq score (gnus-score-delta-default score))
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2435 (let (e)
2436 (save-excursion
2437 (let ((articles (gnus-summary-articles-in-thread)))
2438 (while articles
2439 (gnus-summary-goto-subject (car articles))
2440 (gnus-summary-raise-score score)
2441 (setq articles (cdr articles))))
2442 (setq e (point)))
2443 (let ((gnus-summary-check-current t))
2444 (unless (zerop (gnus-summary-next-subject 1 t))
2445 (goto-char e))))
2446 (gnus-summary-recenter)
2447 (gnus-summary-position-point)
2448 (gnus-set-mode-line 'summary))
2449
2450(defun gnus-summary-lower-same-subject-and-select (score)
2451 "Raise articles which has the same subject with SCORE and select the next."
2452 (interactive "p")
2453 (gnus-summary-raise-same-subject-and-select (- score)))
2454
2455(defun gnus-summary-lower-same-subject (score)
2456 "Raise articles which has the same subject with SCORE."
2457 (interactive "p")
2458 (gnus-summary-raise-same-subject (- score)))
2459
2460(defun gnus-summary-lower-thread (&optional score)
2461 "Lower score of articles in the current thread with SCORE."
2462 (interactive "P")
16409b0b 2463 (gnus-summary-raise-thread (- (1- (gnus-score-delta-default score)))))
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2464
2465;;; Finding score files.
2466
2467(defun gnus-score-score-files (group)
2468 "Return a list of all possible score files."
2469 ;; Search and set any global score files.
2470 (when gnus-global-score-files
2471 (unless gnus-internal-global-score-files
2472 (gnus-score-search-global-directories gnus-global-score-files)))
2473 ;; Fix the kill-file dir variable.
2474 (setq gnus-kill-files-directory
2475 (file-name-as-directory gnus-kill-files-directory))
2476 ;; If we can't read it, there are no score files.
2477 (if (not (file-exists-p (expand-file-name gnus-kill-files-directory)))
2478 (setq gnus-score-file-list nil)
2479 (if (not (gnus-use-long-file-name 'not-score))
2480 ;; We do not use long file names, so we have to do some
2481 ;; directory traversing.
2482 (setq gnus-score-file-list
2483 (cons nil
2484 (or gnus-short-name-score-file-cache
2485 (prog2
2486 (gnus-message 6 "Finding all score files...")
2487 (setq gnus-short-name-score-file-cache
2488 (gnus-score-score-files-1
2489 gnus-kill-files-directory))
2490 (gnus-message 6 "Finding all score files...done")))))
2491 ;; We want long file names.
2492 (when (or (not gnus-score-file-list)
2493 (not (car gnus-score-file-list))
2494 (gnus-file-newer-than gnus-kill-files-directory
2495 (car gnus-score-file-list)))
2496 (setq gnus-score-file-list
2497 (cons (nth 5 (file-attributes gnus-kill-files-directory))
2498 (nreverse
2499 (directory-files
2500 gnus-kill-files-directory t
2501 (gnus-score-file-regexp)))))))
2502 (cdr gnus-score-file-list)))
2503
2504(defun gnus-score-score-files-1 (dir)
2505 "Return all possible score files under DIR."
2506 (let ((files (list (expand-file-name dir)))
2507 (regexp (gnus-score-file-regexp))
2508 (case-fold-search nil)
2509 seen out file)
2510 (while (setq file (pop files))
2511 (cond
16409b0b
GM
2512 ;; Ignore files that start with a dot.
2513 ((string-match "^\\." (file-name-nondirectory file))
eec82323
LMI
2514 nil)
2515 ;; Add subtrees of directory to also be searched.
2516 ((and (file-directory-p file)
2517 (not (member (file-truename file) seen)))
2518 (push (file-truename file) seen)
2519 (setq files (nconc (directory-files file t nil t) files)))
2520 ;; Add files to the list of score files.
2521 ((string-match regexp file)
2522 (push file out))))
2523 (or out
2524 ;; Return a dummy value.
2525 (list "~/News/this.file.does.not.exist.SCORE"))))
2526
2527(defun gnus-score-file-regexp ()
2528 "Return a regexp that match all score files."
2529 (concat "\\(" (regexp-quote gnus-score-file-suffix )
2530 "\\|" (regexp-quote gnus-adaptive-file-suffix) "\\)\\'"))
2531
2532(defun gnus-score-find-bnews (group)
2533 "Return a list of score files for GROUP.
2534The score files are those files in the ~/News/ directory which matches
2535GROUP using BNews sys file syntax."
2536 (let* ((sfiles (append (gnus-score-score-files group)
2537 gnus-internal-global-score-files))
2538 (kill-dir (file-name-as-directory
2539 (expand-file-name gnus-kill-files-directory)))
2540 (klen (length kill-dir))
2541 (score-regexp (gnus-score-file-regexp))
2542 (trans (cdr (assq ?: nnheader-file-name-translation-alist)))
16409b0b 2543 (group-trans (nnheader-translate-file-chars group t))
eec82323
LMI
2544 ofiles not-match regexp)
2545 (save-excursion
6748645f 2546 (set-buffer (gnus-get-buffer-create "*gnus score files*"))
16409b0b 2547 (buffer-disable-undo)
eec82323
LMI
2548 ;; Go through all score file names and create regexp with them
2549 ;; as the source.
2550 (while sfiles
2551 (erase-buffer)
2552 (insert (car sfiles))
2553 (goto-char (point-min))
2554 ;; First remove the suffix itself.
2555 (when (re-search-forward (concat "." score-regexp) nil t)
2556 (replace-match "" t t)
2557 (goto-char (point-min))
2558 (if (looking-at (regexp-quote kill-dir))
2559 ;; If the file name was just "SCORE", `klen' is one character
2560 ;; too much.
2561 (delete-char (min (1- (point-max)) klen))
2562 (goto-char (point-max))
47b63dfa
SZ
2563 (if (re-search-backward gnus-directory-sep-char-regexp nil t)
2564 (delete-region (1+ (point)) (point-min))
2565 (gnus-message 1 "Can't find directory separator in %s"
2566 (car sfiles))))
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2567 ;; If short file names were used, we have to translate slashes.
2568 (goto-char (point-min))
2569 (let ((regexp (concat
59896c4c 2570 "[/:" (if trans (char-to-string trans)) "]")))
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2571 (while (re-search-forward regexp nil t)
2572 (replace-match "." t t)))
2573 ;; Kludge to get rid of "nntp+" problems.
2574 (goto-char (point-min))
2575 (when (looking-at "nn[a-z]+\\+")
2576 (search-forward "+")
2577 (forward-char -1)
2578 (insert "\\")
2579 (forward-char 1))
2580 ;; Kludge to deal with "++".
2581 (while (search-forward "+" nil t)
2582 (replace-match "\\+" t t))
2583 ;; Translate "all" to ".*".
2584 (goto-char (point-min))
2585 (while (search-forward "all" nil t)
2586 (replace-match ".*" t t))
2587 (goto-char (point-min))
2588 ;; Deal with "not."s.
6b61353c
KH
2589 (setq not-match (looking-at "not."))
2590 (setq regexp
2591 (concat "^" (buffer-substring (+ (point-min) (if not-match 4 0))
2592 (point-max))
2593 "$"))
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2594 ;; Finally - if this resulting regexp matches the group name,
2595 ;; we add this score file to the list of score files
2596 ;; applicable to this group.
2597 (when (or (and not-match
47b63dfa 2598 (ignore-errors
16409b0b 2599 (not (string-match regexp group-trans))))
47b63dfa
SZ
2600 (and (not not-match)
2601 (ignore-errors (string-match regexp group-trans))))
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2602 (push (car sfiles) ofiles)))
2603 (setq sfiles (cdr sfiles)))
2604 (kill-buffer (current-buffer))
2605 ;; Slight kludge here - the last score file returned should be
2606 ;; the local score file, whether it exists or not. This is so
2607 ;; that any score commands the user enters will go to the right
2608 ;; file, and not end up in some global score file.
2609 (let ((localscore (gnus-score-file-name group)))
2610 (setq ofiles (cons localscore (delete localscore ofiles))))
2611 (gnus-sort-score-files (nreverse ofiles)))))
2612
2613(defun gnus-score-find-single (group)
2614 "Return list containing the score file for GROUP."
2615 (list (or gnus-newsgroup-adaptive-score-file
2616 (gnus-score-file-name group gnus-adaptive-file-suffix))
2617 (gnus-score-file-name group)))
2618
2619(defun gnus-score-find-hierarchical (group)
2620 "Return list of score files for GROUP.
2621This includes the score file for the group and all its parents."
2622 (let* ((prefix (gnus-group-real-prefix group))
2623 (all (list nil))
2624 (group (gnus-group-real-name group))
2625 (start 0))
2626 (while (string-match "\\." group (1+ start))
2627 (setq start (match-beginning 0))
2628 (push (substring group 0 start) all))
2629 (push group all)
2630 (setq all
2631 (nconc
2632 (mapcar (lambda (group)
2633 (gnus-score-file-name group gnus-adaptive-file-suffix))
2634 (setq all (nreverse all)))
2635 (mapcar 'gnus-score-file-name all)))
2636 (if (equal prefix "")
2637 all
2638 (mapcar
2639 (lambda (file)
2640 (nnheader-translate-file-chars
2641 (concat (file-name-directory file) prefix
2642 (file-name-nondirectory file))))
2643 all))))
2644
2645(defun gnus-score-file-rank (file)
2646 "Return a number that says how specific score FILE is.
2647Destroys the current buffer."
2648 (if (member file gnus-internal-global-score-files)
2649 0
2650 (when (string-match
2651 (concat "^" (regexp-quote
2652 (expand-file-name
2653 (file-name-as-directory gnus-kill-files-directory))))
2654 file)
2655 (setq file (substring file (match-end 0))))
2656 (insert file)
2657 (goto-char (point-min))
2658 (let ((beg (point))
2659 elems)
2660 (while (re-search-forward "[./]" nil t)
2661 (push (buffer-substring beg (1- (point)))
2662 elems))
2663 (erase-buffer)
2664 (setq elems (delete "all" elems))
2665 (length elems))))
2666
2667(defun gnus-sort-score-files (files)
2668 "Sort FILES so that the most general files come first."
16409b0b 2669 (with-temp-buffer
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LMI
2670 (let ((alist
2671 (mapcar
2672 (lambda (file)
2673 (cons (inline (gnus-score-file-rank file)) file))
2674 files)))
2675 (mapcar
2676 (lambda (f) (cdr f))
6748645f 2677 (sort alist 'car-less-than-car)))))
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2678
2679(defun gnus-score-find-alist (group)
2680 "Return list of score files for GROUP.
39bb8e56 2681The list is determined from the variable `gnus-score-file-alist'."
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2682 (let ((alist gnus-score-file-multiple-match-alist)
2683 score-files)
2684 ;; if this group has been seen before, return the cached entry
2685 (if (setq score-files (assoc group gnus-score-file-alist-cache))
2686 (cdr score-files) ;ensures caching groups with no matches
2687 ;; handle the multiple match alist
2688 (while alist
2689 (when (string-match (caar alist) group)
2690 (setq score-files
2691 (nconc score-files (copy-sequence (cdar alist)))))
2692 (setq alist (cdr alist)))
2693 (setq alist gnus-score-file-single-match-alist)
2694 ;; handle the single match alist
2695 (while alist
2696 (when (string-match (caar alist) group)
2697 ;; progn used just in case ("regexp") has no files
2698 ;; and score-files is still nil. -sj
2699 ;; this can be construed as a "stop searching here" feature :>
2700 ;; and used to simplify regexps in the single-alist
2701 (setq score-files
2702 (nconc score-files (copy-sequence (cdar alist))))
2703 (setq alist nil))
2704 (setq alist (cdr alist)))
2705 ;; cache the score files
2706 (push (cons group score-files) gnus-score-file-alist-cache)
2707 score-files)))
2708
2709(defun gnus-all-score-files (&optional group)
2710 "Return a list of all score files for the current group."
2711 (let ((funcs gnus-score-find-score-files-function)
2712 (group (or group gnus-newsgroup-name))
2713 score-files)
6748645f
LMI
2714 (when group
2715 ;; Make sure funcs is a list.
2716 (and funcs
2717 (not (listp funcs))
2718 (setq funcs (list funcs)))
59896c4c
DL
2719 (when gnus-score-use-all-scores
2720 ;; Get the initial score files for this group.
2721 (when funcs
2722 (setq score-files (nreverse (gnus-score-find-alist group))))
2723 ;; Add any home adapt files.
2724 (let ((home (gnus-home-score-file group t)))
2725 (when home
2726 (push home score-files)
2727 (setq gnus-newsgroup-adaptive-score-file home)))
2728 ;; Check whether there is a `adapt-file' group parameter.
2729 (let ((param-file (gnus-group-find-parameter group 'adapt-file)))
2730 (when param-file
2731 (push param-file score-files)
2732 (setq gnus-newsgroup-adaptive-score-file param-file))))
6748645f
LMI
2733 ;; Go through all the functions for finding score files (or actual
2734 ;; scores) and add them to a list.
2735 (while funcs
2736 (when (gnus-functionp (car funcs))
2737 (setq score-files
2738 (nconc score-files (nreverse (funcall (car funcs) group)))))
2739 (setq funcs (cdr funcs)))
59896c4c
DL
2740 (when gnus-score-use-all-scores
2741 ;; Add any home score files.
2742 (let ((home (gnus-home-score-file group)))
2743 (when home
2744 (push home score-files)))
2745 ;; Check whether there is a `score-file' group parameter.
2746 (let ((param-file (gnus-group-find-parameter group 'score-file)))
2747 (when param-file
2748 (push param-file score-files))))
6748645f
LMI
2749 ;; Expand all files names.
2750 (let ((files score-files))
2751 (while files
2752 (when (stringp (car files))
2753 (setcar files (expand-file-name
2754 (car files) gnus-kill-files-directory)))
2755 (pop files)))
2756 (setq score-files (nreverse score-files))
2757 ;; Remove any duplicate score files.
2758 (while (and score-files
2759 (member (car score-files) (cdr score-files)))
2760 (pop score-files))
2761 (let ((files score-files))
2762 (while (cdr files)
2763 (if (member (cadr files) (cddr files))
2764 (setcdr files (cddr files))
2765 (pop files))))
2766 ;; Do the scoring if there are any score files for this group.
2767 score-files)))
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2768
2769(defun gnus-possibly-score-headers (&optional trace)
2770 "Do scoring if scoring is required."
2771 (let ((score-files (gnus-all-score-files)))
2772 (when score-files
2773 (gnus-score-headers score-files trace))))
2774
2775(defun gnus-score-file-name (newsgroup &optional suffix)
2776 "Return the name of a score file for NEWSGROUP."
2777 (let ((suffix (or suffix gnus-score-file-suffix)))
2778 (nnheader-translate-file-chars
2779 (cond
2780 ((or (null newsgroup)
2781 (string-equal newsgroup ""))
2782 ;; The global score file is placed at top of the directory.
6748645f 2783 (expand-file-name suffix gnus-kill-files-directory))
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2784 ((gnus-use-long-file-name 'not-score)
2785 ;; Append ".SCORE" to newsgroup name.
2786 (expand-file-name (concat (gnus-newsgroup-savable-name newsgroup)
2787 "." suffix)
2788 gnus-kill-files-directory))
2789 (t
2790 ;; Place "SCORE" under the hierarchical directory.
2791 (expand-file-name (concat (gnus-newsgroup-directory-form newsgroup)
2792 "/" suffix)
2793 gnus-kill-files-directory))))))
2794
2795(defun gnus-score-search-global-directories (files)
2796 "Scan all global score directories for score files."
2797 ;; Set the variable `gnus-internal-global-score-files' to all
2798 ;; available global score files.
2799 (interactive (list gnus-global-score-files))
2800 (let (out)
2801 (while files
6748645f 2802 ;; #### /$ Unix-specific?
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2803 (if (string-match "/$" (car files))
2804 (setq out (nconc (directory-files
2805 (car files) t
2806 (concat (gnus-score-file-regexp) "$"))))
2807 (push (car files) out))
2808 (setq files (cdr files)))
2809 (setq gnus-internal-global-score-files out)))
2810
2811(defun gnus-score-default-fold-toggle ()
2812 "Toggle folding for new score file entries."
2813 (interactive)
2814 (setq gnus-score-default-fold (not gnus-score-default-fold))
2815 (if gnus-score-default-fold
2816 (gnus-message 1 "New score file entries will be case insensitive.")
2817 (gnus-message 1 "New score file entries will be case sensitive.")))
2818
2819;;; Home score file.
2820
2821(defun gnus-home-score-file (group &optional adapt)
2822 "Return the home score file for GROUP.
2823If ADAPT, return the home adaptive file instead."
2824 (let ((list (if adapt gnus-home-adapt-file gnus-home-score-file))
2825 elem found)
2826 ;; Make sure we have a list.
2827 (unless (listp list)
2828 (setq list (list list)))
2829 ;; Go through the list and look for matches.
2830 (while (and (not found)
2831 (setq elem (pop list)))
2832 (setq found
2833 (cond
2834 ;; Simple string.
2835 ((stringp elem)
2836 elem)
2837 ;; Function.
2838 ((gnus-functionp elem)
2839 (funcall elem group))
16409b0b 2840 ;; Regexp-file cons.
eec82323 2841 ((consp elem)
6748645f 2842 (when (string-match (gnus-globalify-regexp (car elem)) group)
16409b0b 2843 (replace-match (cadr elem) t nil group))))))
eec82323 2844 (when found
16409b0b
GM
2845 (if (file-name-absolute-p found)
2846 found
2847 (nnheader-concat gnus-kill-files-directory found)))))
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2848
2849(defun gnus-hierarchial-home-score-file (group)
2850 "Return the score file of the top-level hierarchy of GROUP."
2851 (if (string-match "^[^.]+\\." group)
2852 (concat (match-string 0 group) gnus-score-file-suffix)
2853 ;; Group name without any dots.
2854 (concat group (if (gnus-use-long-file-name 'not-score) "." "/")
2855 gnus-score-file-suffix)))
2856
2857(defun gnus-hierarchial-home-adapt-file (group)
2858 "Return the adapt file of the top-level hierarchy of GROUP."
2859 (if (string-match "^[^.]+\\." group)
2860 (concat (match-string 0 group) gnus-adaptive-file-suffix)
2861 ;; Group name without any dots.
2862 (concat group (if (gnus-use-long-file-name 'not-score) "." "/")
2863 gnus-adaptive-file-suffix)))
2864
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2865(defun gnus-current-home-score-file (group)
2866 "Return the \"current\" regular score file."
2867 (car (nreverse (gnus-score-find-alist group))))
2868
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2869;;;
2870;;; Score decays
2871;;;
2872
2873(defun gnus-decay-score (score)
a8151ef7 2874 "Decay SCORE according to `gnus-score-decay-constant' and `gnus-score-decay-scale'."
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2875 (floor
2876 (- score
a8151ef7
LMI
2877 (* (if (< score 0) -1 1)
2878 (min (abs score)
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2879 (max gnus-score-decay-constant
2880 (* (abs score)
2881 gnus-score-decay-scale)))))))
2882
2883(defun gnus-decay-scores (alist day)
2884 "Decay non-permanent scores in ALIST."
16409b0b 2885 (let ((times (- (time-to-days (current-time)) day))
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2886 kill entry updated score n)
2887 (unless (zerop times) ;Done decays today already?
2888 (while (setq entry (pop alist))
2889 (when (stringp (car entry))
2890 (setq entry (cdr entry))
2891 (while (setq kill (pop entry))
2892 (when (nth 2 kill)
2893 (setq updated t)
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2894 (setq score (or (nth 1 kill)
2895 gnus-score-interactive-default-score)
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2896 n times)
2897 (while (natnump (decf n))
2898 (setq score (funcall gnus-decay-score-function score)))
16409b0b 2899 (setcdr kill (cons score
a8151ef7 2900 (cdr (cdr kill)))))))))
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2901 ;; Return whether this score file needs to be saved. By Je-haysuss!
2902 updated))
2903
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2904(defun gnus-score-regexp-bad-p (regexp)
2905 "Test whether REGEXP is safe for Gnus scoring.
2906A regexp is unsafe if it matches newline or a buffer boundary.
2907
2908If the regexp is good, return nil. If the regexp is bad, return a
2909cons cell (SYM . STRING), where the symbol SYM is `new' or `bad'.
2910In the `new' case, the string is a safe replacement for REGEXP.
2911In the `bad' case, the string is a unsafe subexpression of REGEXP,
2912and we do not have a simple replacement to suggest.
2913
2914See `(Gnus)Scoring Tips' for examples of good regular expressions."
2915 (let (case-fold-search)
2916 (and
2917 ;; First, try a relatively fast necessary condition.
2918 ;; Notice ranges (like [^:] or [\t-\r]), \s>, \Sw, \W, \', \`:
2919 (string-match "\n\\|\\\\[SsW`']\\|\\[\\^\\|[\0-\n]-" regexp)
2920 ;; Now break the regexp into tokens, and check each:
2921 (let ((tail regexp) ; remaining regexp to check
2922 tok ; current token
2923 bad ; nil, or bad subexpression
2924 new ; nil, or replacement regexp so far
2925 end) ; length of current token
2926 (while (and (not bad)
2927 (string-match
2928 "\\`\\(\\\\[sS]?.\\|\\[\\^?]?[^]]*]\\|[^\\]\\)"
2929 tail))
2930 (setq end (match-end 0)
2931 tok (substring tail 0 end)
2932 tail (substring tail end))
2933 (if;; Is token `bad' (matching newline or buffer ends)?
2934 (or (member tok '("\n" "\\W" "\\`" "\\'"))
2935 ;; This next handles "[...]", "\\s.", and "\\S.":
2936 (and (> end 2) (string-match tok "\n")))
2937 (let ((newtok
2938 ;; Try to suggest a replacement for tok ...
2939 (cond ((string-equal tok "\\`") "^") ; or "\\(^\\)"
2940 ((string-equal tok "\\'") "$") ; or "\\($\\)"
2941 ((string-match "\\[\\^" tok) ; very common
2942 (concat (substring tok 0 -1) "\n]")))))
2943 (if newtok
2944 (setq new
2945 (concat
2946 (or new
2947 ;; good prefix so far:
2948 (substring regexp 0 (- (+ (length tail) end))))
2949 newtok))
2950 ;; No replacement idea, so give up:
2951 (setq bad tok)))
2952 ;; tok is good, may need to extend new
2953 (and new (setq new (concat new tok)))))
2954 ;; Now return a value:
2955 (cond
2956 (bad (cons 'bad bad))
2957 (new (cons 'new new))
16409b0b 2958 (t nil))))))
6748645f 2959
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2960(provide 'gnus-score)
2961
b8898393 2962;;; arch-tag: d3922589-764d-46ae-9954-9330fd192634
eec82323 2963;;; gnus-score.el ends here