--- /dev/null
+;;; gnus-score.el --- scoring code for Gnus
+
+;; Copyright (C) 1995-2016 Free Software Foundation, Inc.
+
+;; Author: Per Abrahamsen <amanda@iesd.auc.dk>
+;; Lars Magne Ingebrigtsen <larsi@gnus.org>
+;; Keywords: news
+
+;; This file is part of GNU Emacs.
+
+;; GNU Emacs is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; GNU Emacs is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;;; Code:
+
+(eval-when-compile (require 'cl))
+
+(require 'gnus)
+(require 'gnus-sum)
+(require 'gnus-range)
+(require 'gnus-win)
+(require 'message)
+(require 'score-mode)
+(require 'gmm-utils)
+
+(defcustom gnus-global-score-files nil
+ "List of global score files and directories.
+Set this variable if you want to use people's score files. One entry
+for each score file or each score file directory. Gnus will decide
+by itself what score files are applicable to which group.
+
+Say you want to use the single score file
+\"/ftp.gnus.org@ftp:/pub/larsi/ding/score/soc.motss.SCORE\" and all
+score files in the \"/ftp.some-where:/pub/score\" directory.
+
+ (setq gnus-global-score-files
+ '(\"/ftp.gnus.org:/pub/larsi/ding/score/soc.motss.SCORE\"
+ \"/ftp.some-where:/pub/score\"))"
+ :group 'gnus-score-files
+ :type '(repeat file))
+
+(defcustom gnus-score-file-single-match-alist nil
+ "Alist mapping regexps to lists of score files.
+Each element of this alist should be of the form
+ (\"REGEXP\" [ \"SCORE-FILE-1\" ] [ \"SCORE-FILE-2\" ] ... )
+
+If the name of a group is matched by REGEXP, the corresponding scorefiles
+will be used for that group.
+The first match found is used, subsequent matching entries are ignored (to
+use multiple matches, see `gnus-score-file-multiple-match-alist').
+
+These score files are loaded in addition to any files returned by
+`gnus-score-find-score-files-function'."
+ :group 'gnus-score-files
+ :type '(repeat (cons regexp (repeat file))))
+
+(defcustom gnus-score-file-multiple-match-alist nil
+ "Alist mapping regexps to lists of score files.
+Each element of this alist should be of the form
+ (\"REGEXP\" [ \"SCORE-FILE-1\" ] [ \"SCORE-FILE-2\" ] ... )
+
+If the name of a group is matched by REGEXP, the corresponding scorefiles
+will be used for that group.
+If multiple REGEXPs match a group, the score files corresponding to each
+match will be used (for only one match to be used, see
+`gnus-score-file-single-match-alist').
+
+These score files are loaded in addition to any files returned by
+`gnus-score-find-score-files-function'."
+ :group 'gnus-score-files
+ :type '(repeat (cons regexp (repeat file))))
+
+(defcustom gnus-score-file-suffix "SCORE"
+ "Suffix of the score files."
+ :group 'gnus-score-files
+ :type 'string)
+
+(defcustom gnus-adaptive-file-suffix "ADAPT"
+ "Suffix of the adaptive score files."
+ :group 'gnus-score-files
+ :group 'gnus-score-adapt
+ :type 'string)
+
+(defcustom gnus-score-find-score-files-function 'gnus-score-find-bnews
+ "Function used to find score files.
+The function will be called with the group name as the argument, and
+should return a list of score files to apply to that group. The score
+files do not actually have to exist.
+
+Predefined values are:
+
+`gnus-score-find-single': Only apply the group's own score file.
+`gnus-score-find-hierarchical': Also apply score files from parent groups.
+`gnus-score-find-bnews': Apply score files whose names matches.
+
+See the documentation to these functions for more information.
+
+This variable can also be a list of functions to be called. Each
+function is given the group name as argument and should either return
+a list of score files, or a list of score alists.
+
+If functions other than these pre-defined functions are used,
+the `a' symbolic prefix to the score commands will always use
+\"all.SCORE\"."
+ :group 'gnus-score-files
+ :type '(radio (function-item gnus-score-find-single)
+ (function-item gnus-score-find-hierarchical)
+ (function-item gnus-score-find-bnews)
+ (repeat :tag "List of functions"
+ (choice (function :tag "Other" :value 'ignore)
+ (function-item gnus-score-find-single)
+ (function-item gnus-score-find-hierarchical)
+ (function-item gnus-score-find-bnews)))
+ (function :tag "Other" :value 'ignore)))
+
+(defcustom gnus-score-interactive-default-score 1000
+ "*Scoring commands will raise/lower the score with this number as the default."
+ :group 'gnus-score-default
+ :type 'integer)
+
+(defcustom gnus-score-expiry-days 7
+ "*Number of days before unused score file entries are expired.
+If this variable is nil, no score file entries will be expired."
+ :group 'gnus-score-expire
+ :type '(choice (const :tag "never" nil)
+ number))
+
+(defcustom gnus-update-score-entry-dates t
+ "*If non-nil, update matching score entry dates.
+If this variable is nil, then score entries that provide matches
+will be expired along with non-matching score entries."
+ :group 'gnus-score-expire
+ :type 'boolean)
+
+(defcustom gnus-decay-scores nil
+ "*If non-nil, decay non-permanent scores.
+
+If it is a regexp, only decay score files matching regexp."
+ :group 'gnus-score-decay
+ :type `(choice (const :tag "never" nil)
+ (const :tag "always" t)
+ (const :tag "adaptive score files"
+ ,(concat "\\." gnus-adaptive-file-suffix "\\'"))
+ (regexp)))
+
+(defcustom gnus-decay-score-function 'gnus-decay-score
+ "*Function called to decay a score.
+It is called with one parameter -- the score to be decayed."
+ :group 'gnus-score-decay
+ :type '(radio (function-item gnus-decay-score)
+ (function :tag "Other")))
+
+(defcustom gnus-score-decay-constant 3
+ "*Decay all \"small\" scores with this amount."
+ :group 'gnus-score-decay
+ :type 'integer)
+
+(defcustom gnus-score-decay-scale .05
+ "*Decay all \"big\" scores with this factor."
+ :group 'gnus-score-decay
+ :type 'number)
+
+(defcustom gnus-home-score-file nil
+ "Variable to control where interactive score entries are to go.
+It can be:
+
+ * A string
+ This file will be used as the home score file.
+
+ * A function
+ The result of this function will be used as the home score file.
+ The function will be passed the name of the group as its
+ parameter.
+
+ * A list
+ The elements in this list can be:
+
+ * `(regexp file-name ...)'
+ If the `regexp' matches the group name, the first `file-name'
+ will be used as the home score file. (Multiple filenames are
+ allowed so that one may use gnus-score-file-single-match-alist to
+ set this variable.)
+
+ * A function.
+ If the function returns non-nil, the result will be used
+ as the home score file. The function will be passed the
+ name of the group as its parameter.
+
+ * A string. Use the string as the home score file.
+
+ The list will be traversed from the beginning towards the end looking
+ for matches."
+ :group 'gnus-score-files
+ :type '(choice string
+ (repeat (choice string
+ (cons regexp (repeat file))
+ function))
+ (function-item gnus-hierarchial-home-score-file)
+ (function-item gnus-current-home-score-file)
+ function))
+
+(defcustom gnus-home-adapt-file nil
+ "Variable to control where new adaptive score entries are to go.
+This variable allows the same syntax as `gnus-home-score-file'."
+ :group 'gnus-score-adapt
+ :group 'gnus-score-files
+ :type '(choice string
+ (repeat (choice string
+ (cons regexp (repeat file))
+ function))
+ function))
+
+(defcustom gnus-default-adaptive-score-alist
+ `((gnus-kill-file-mark)
+ (gnus-unread-mark)
+ (gnus-read-mark
+ (from , (+ 2 gnus-score-decay-constant))
+ (subject , (+ 27 gnus-score-decay-constant)))
+ (gnus-catchup-mark
+ (subject , (+ -7 (* -1 gnus-score-decay-constant))))
+ (gnus-killed-mark
+ (from , (- -1 gnus-score-decay-constant))
+ (subject , (+ -17 (* -1 gnus-score-decay-constant))))
+ (gnus-del-mark
+ (from , (- -1 gnus-score-decay-constant))
+ (subject , (+ -12 (* -1 gnus-score-decay-constant)))))
+ "Alist of marks and scores.
+If you use score decays, you might want to set values higher than
+`gnus-score-decay-constant'."
+ :group 'gnus-score-adapt
+ :type '(repeat (cons (symbol :tag "Mark")
+ (repeat (list (choice :tag "Header"
+ (const from)
+ (const subject)
+ (symbol :tag "other"))
+ (integer :tag "Score"))))))
+
+(defcustom gnus-adaptive-word-length-limit nil
+ "*Words of a length lesser than this limit will be ignored when doing adaptive scoring."
+ :version "22.1"
+ :group 'gnus-score-adapt
+ :type '(radio (const :format "Unlimited " nil)
+ (integer :format "Maximum length: %v")))
+
+(defcustom gnus-ignored-adaptive-words nil
+ "List of words to be ignored when doing adaptive word scoring."
+ :group 'gnus-score-adapt
+ :type '(repeat string))
+
+(defcustom gnus-default-ignored-adaptive-words
+ '("a" "i" "the" "to" "of" "and" "in" "is" "it" "for" "that" "if" "you"
+ "this" "be" "on" "with" "not" "have" "are" "or" "as" "from" "can"
+ "but" "by" "at" "an" "will" "no" "all" "was" "do" "there" "my" "one"
+ "so" "we" "they" "what" "would" "any" "which" "about" "get" "your"
+ "use" "some" "me" "then" "name" "like" "out" "when" "up" "time"
+ "other" "more" "only" "just" "end" "also" "know" "how" "new" "should"
+ "been" "than" "them" "he" "who" "make" "may" "people" "these" "now"
+ "their" "here" "into" "first" "could" "way" "had" "see" "work" "well"
+ "were" "two" "very" "where" "while" "us" "because" "good" "same"
+ "even" "much" "most" "many" "such" "long" "his" "over" "last" "since"
+ "right" "before" "our" "without" "too" "those" "why" "must" "part"
+ "being" "current" "back" "still" "go" "point" "value" "each" "did"
+ "both" "true" "off" "say" "another" "state" "might" "under" "start"
+ "try" "re")
+ "*Default list of words to be ignored when doing adaptive word scoring."
+ :group 'gnus-score-adapt
+ :type '(repeat string))
+
+(defcustom gnus-default-adaptive-word-score-alist
+ `((,gnus-read-mark . 30)
+ (,gnus-catchup-mark . -10)
+ (,gnus-killed-mark . -20)
+ (,gnus-del-mark . -15))
+ "*Alist of marks and scores."
+ :group 'gnus-score-adapt
+ :type '(repeat (cons (character :tag "Mark")
+ (integer :tag "Score"))))
+
+(defcustom gnus-adaptive-word-minimum nil
+ "If a number, this is the minimum score value that can be assigned to a word."
+ :group 'gnus-score-adapt
+ :type '(choice (const nil) integer))
+
+(defcustom gnus-adaptive-word-no-group-words nil
+ "If t, don't adaptively score words included in the group name."
+ :group 'gnus-score-adapt
+ :type 'boolean)
+
+(defcustom gnus-score-mimic-keymap nil
+ "*Have the score entry functions pretend that they are a keymap."
+ :group 'gnus-score-default
+ :type 'boolean)
+
+(defcustom gnus-score-exact-adapt-limit 10
+ "*Number that says how long a match has to be before using substring matching.
+When doing adaptive scoring, one normally uses fuzzy or substring
+matching. However, if the header one matches is short, the possibility
+for false positives is great, so if the length of the match is less
+than this variable, exact matching will be used.
+
+If this variable is nil, exact matching will always be used."
+ :group 'gnus-score-adapt
+ :type '(choice (const nil) integer))
+
+(defcustom gnus-score-uncacheable-files "ADAPT$"
+ "All score files that match this regexp will not be cached."
+ :group 'gnus-score-adapt
+ :group 'gnus-score-files
+ :type 'regexp)
+
+(defcustom gnus-adaptive-pretty-print nil
+ "If non-nil, adaptive score files fill are pretty printed."
+ :group 'gnus-score-files
+ :group 'gnus-score-adapt
+ :version "23.1" ;; No Gnus
+ :type 'boolean)
+
+(defcustom gnus-score-default-header nil
+ "Default header when entering new scores.
+
+Should be one of the following symbols.
+
+ a: from
+ s: subject
+ b: body
+ h: head
+ i: message-id
+ t: references
+ x: xref
+ e: `extra' (non-standard overview)
+ l: lines
+ d: date
+ f: followup
+
+If nil, the user will be asked for a header."
+ :group 'gnus-score-default
+ :type '(choice (const :tag "from" a)
+ (const :tag "subject" s)
+ (const :tag "body" b)
+ (const :tag "head" h)
+ (const :tag "message-id" i)
+ (const :tag "references" t)
+ (const :tag "xref" x)
+ (const :tag "extra" e)
+ (const :tag "lines" l)
+ (const :tag "date" d)
+ (const :tag "followup" f)
+ (const :tag "ask" nil)))
+
+(defcustom gnus-score-default-type nil
+ "Default match type when entering new scores.
+
+Should be one of the following symbols.
+
+ s: substring
+ e: exact string
+ f: fuzzy string
+ r: regexp string
+ b: before date
+ a: after date
+ n: this date
+ <: less than number
+ >: greater than number
+ =: equal to number
+
+If nil, the user will be asked for a match type."
+ :group 'gnus-score-default
+ :type '(choice (const :tag "substring" s)
+ (const :tag "exact string" e)
+ (const :tag "fuzzy string" f)
+ (const :tag "regexp string" r)
+ (const :tag "before date" b)
+ (const :tag "after date" a)
+ (const :tag "this date" n)
+ (const :tag "less than number" <)
+ (const :tag "greater than number" >)
+ (const :tag "equal than number" =)
+ (const :tag "ask" nil)))
+
+(defcustom gnus-score-default-fold nil
+ "Non-nil means use case folding for new score file entries."
+ :group 'gnus-score-default
+ :type 'boolean)
+
+(defcustom gnus-score-default-duration nil
+ "Default duration of effect when entering new scores.
+
+Should be one of the following symbols.
+
+ t: temporary
+ p: permanent
+ i: immediate
+
+If nil, the user will be asked for a duration."
+ :group 'gnus-score-default
+ :type '(choice (const :tag "temporary" t)
+ (const :tag "permanent" p)
+ (const :tag "immediate" i)
+ (const :tag "ask" nil)))
+
+(defcustom gnus-score-after-write-file-function nil
+ "Function called with the name of the score file just written to disk."
+ :group 'gnus-score-files
+ :type '(choice (const nil) function))
+
+(defcustom gnus-score-thread-simplify nil
+ "If non-nil, subjects will simplified as in threading."
+ :group 'gnus-score-various
+ :type 'boolean)
+
+(defcustom gnus-inhibit-slow-scoring nil
+ "Inhibit slow scoring, e.g. scoring on headers or body.
+
+If a regexp, scoring on headers or body is inhibited if the group
+matches the regexp. If it is t, scoring on headers or body is
+inhibited for all groups."
+ :group 'gnus-score-various
+ :version "23.1" ;; No Gnus
+ :type '(choice (const :tag "All" nil)
+ (const :tag "None" t)
+ regexp))
+
+\f
+
+;; Internal variables.
+
+(defvar gnus-score-use-all-scores t
+ "If nil, only `gnus-score-find-score-files-function' is used.")
+
+(defvar gnus-adaptive-word-syntax-table
+ (let ((table (copy-syntax-table (standard-syntax-table)))
+ (numbers '(?0 ?1 ?2 ?3 ?4 ?5 ?6 ?7 ?8 ?9)))
+ (while numbers
+ (modify-syntax-entry (pop numbers) " " table))
+ (modify-syntax-entry ?' "w" table)
+ table)
+ "Syntax table used when doing adaptive word scoring.")
+
+(defvar gnus-scores-exclude-files nil)
+(defvar gnus-internal-global-score-files nil)
+(defvar gnus-score-file-list nil)
+
+(defvar gnus-short-name-score-file-cache nil)
+
+(defvar gnus-score-help-winconf nil)
+(defvar gnus-adaptive-score-alist gnus-default-adaptive-score-alist)
+(defvar gnus-adaptive-word-score-alist gnus-default-adaptive-word-score-alist)
+(defvar gnus-score-trace nil)
+(defvar gnus-score-edit-buffer nil)
+
+(defvar gnus-score-alist nil
+ "Alist containing score information.
+The keys can be symbols or strings. The following symbols are defined.
+
+touched: If this alist has been modified.
+mark: Automatically mark articles below this.
+expunge: Automatically expunge articles below this.
+files: List of other score files to load when loading this one.
+eval: Sexp to be evaluated when the score file is loaded.
+
+String entries have the form (HEADER (MATCH TYPE SCORE DATE) ...)
+where HEADER is the header being scored, MATCH is the string we are
+looking for, TYPE is a flag indicating whether it should use regexp or
+substring matching, SCORE is the score to add and DATE is the date
+of the last successful match.")
+
+(defvar gnus-score-cache nil)
+(defvar gnus-scores-articles nil)
+(defvar gnus-score-index nil)
+
+
+(defconst gnus-header-index
+ ;; Name to index alist.
+ '(("number" 0 gnus-score-integer)
+ ("subject" 1 gnus-score-string)
+ ("from" 2 gnus-score-string)
+ ("date" 3 gnus-score-date)
+ ("message-id" 4 gnus-score-string)
+ ("references" 5 gnus-score-string)
+ ("chars" 6 gnus-score-integer)
+ ("lines" 7 gnus-score-integer)
+ ("xref" 8 gnus-score-string)
+ ("extra" 9 gnus-score-string)
+ ("head" -1 gnus-score-body)
+ ("body" -1 gnus-score-body)
+ ("all" -1 gnus-score-body)
+ ("followup" 2 gnus-score-followup)
+ ("thread" 5 gnus-score-thread)))
+
+;;; Summary mode score maps.
+
+(gnus-define-keys (gnus-summary-score-map "V" gnus-summary-mode-map)
+ "s" gnus-summary-set-score
+ "S" gnus-summary-current-score
+ "c" gnus-score-change-score-file
+ "C" gnus-score-customize
+ "m" gnus-score-set-mark-below
+ "x" gnus-score-set-expunge-below
+ "R" gnus-summary-rescore
+ "e" gnus-score-edit-current-scores
+ "f" gnus-score-edit-file
+ "F" gnus-score-flush-cache
+ "t" gnus-score-find-trace
+ "w" gnus-score-find-favourite-words)
+
+;; Summary score file commands
+
+;; Much modification of the kill (ahem, score) code and lots of the
+;; functions are written by Per Abrahamsen <amanda@iesd.auc.dk>.
+
+(defun gnus-summary-lower-score (&optional score symp)
+ "Make a score entry based on the current article.
+The user will be prompted for header to score on, match type,
+permanence, and the string to be used. The numerical prefix will
+be used as SCORE. A symbolic prefix of `a' (the SYMP parameter)
+says to use the `all.SCORE' file for the command instead of the
+current score file."
+ (interactive (gnus-interactive "P\ny"))
+ (gnus-summary-increase-score (- (gnus-score-delta-default score)) symp))
+
+(defun gnus-score-kill-help-buffer ()
+ (when (get-buffer "*Score Help*")
+ (kill-buffer "*Score Help*")
+ (when gnus-score-help-winconf
+ (set-window-configuration gnus-score-help-winconf))))
+
+(defun gnus-summary-increase-score (&optional score symp)
+ "Make a score entry based on the current article.
+The user will be prompted for header to score on, match type,
+permanence, and the string to be used. The numerical prefix will
+be used as SCORE. A symbolic prefix of `a' (the SYMP parameter)
+says to use the `all.SCORE' file for the command instead of the
+current score file."
+ (interactive (gnus-interactive "P\ny"))
+ (let* ((nscore (gnus-score-delta-default score))
+ (prefix (if (< nscore 0) ?L ?I))
+ (increase (> nscore 0))
+ (char-to-header
+ '((?a "from" nil nil string)
+ (?s "subject" nil nil string)
+ (?b "body" "" nil body-string)
+ (?h "head" "" nil body-string)
+ (?i "message-id" nil nil string)
+ (?r "references" "message-id" nil string)
+ (?x "xref" nil nil string)
+ (?e "extra" nil nil string)
+ (?l "lines" nil nil number)
+ (?d "date" nil nil date)
+ (?f "followup" nil nil string)
+ (?t "thread" "message-id" nil string)))
+ (char-to-type
+ '((?s s "substring" string)
+ (?e e "exact string" string)
+ (?f f "fuzzy string" string)
+ (?r r "regexp string" string)
+ (?z s "substring" body-string)
+ (?p r "regexp string" body-string)
+ (?b before "before date" date)
+ (?a after "after date" date)
+ (?n at "this date" date)
+ (?< < "less than number" number)
+ (?> > "greater than number" number)
+ (?= = "equal to number" number)))
+ (current-score-file gnus-current-score-file)
+ (char-to-perm
+ (list (list ?t (current-time-string) "temporary")
+ '(?p perm "permanent") '(?i now "immediate")))
+ (mimic gnus-score-mimic-keymap)
+ (hchar (and gnus-score-default-header
+ (aref (symbol-name gnus-score-default-header) 0)))
+ (tchar (and gnus-score-default-type
+ (aref (symbol-name gnus-score-default-type) 0)))
+ (pchar (and gnus-score-default-duration
+ (aref (symbol-name gnus-score-default-duration) 0)))
+ entry temporary type match extra)
+
+ (unwind-protect
+ (progn
+
+ ;; First we read the header to score.
+ (while (not hchar)
+ (if mimic
+ (progn
+ (sit-for 1)
+ (message "%c-" prefix))
+ (message "%s header (%s?): " (if increase "Increase" "Lower")
+ (mapconcat (lambda (s) (char-to-string (car s)))
+ char-to-header "")))
+ (setq hchar (read-char))
+ (when (or (= hchar ??) (= hchar ?\C-h))
+ (setq hchar nil)
+ (gnus-score-insert-help "Match on header" char-to-header 1)))
+
+ (gnus-score-kill-help-buffer)
+ (unless (setq entry (assq (downcase hchar) char-to-header))
+ (if mimic (error "%c %c" prefix hchar)
+ (error "Invalid header type")))
+
+ (when (/= (downcase hchar) hchar)
+ ;; This was a majuscule, so we end reading and set the defaults.
+ (if mimic (message "%c %c" prefix hchar) (message ""))
+ (setq tchar (or tchar ?s)
+ pchar (or pchar ?t)))
+
+ (let ((legal-types
+ (delq nil
+ (mapcar (lambda (s)
+ (if (eq (nth 4 entry)
+ (nth 3 s))
+ s nil))
+ char-to-type))))
+ ;; We continue reading - the type.
+ (while (not tchar)
+ (if mimic
+ (progn
+ (sit-for 1) (message "%c %c-" prefix hchar))
+ (message "%s header `%s' with match type (%s?): "
+ (if increase "Increase" "Lower")
+ (nth 1 entry)
+ (mapconcat (lambda (s) (char-to-string (car s)))
+ legal-types "")))
+ (setq tchar (read-char))
+ (when (or (= tchar ??) (= tchar ?\C-h))
+ (setq tchar nil)
+ (gnus-score-insert-help "Match type" legal-types 2)))
+
+ (gnus-score-kill-help-buffer)
+ (unless (setq type (nth 1 (assq (downcase tchar) legal-types)))
+ (if mimic (error "%c %c" prefix hchar)
+ (error "Invalid match type"))))
+
+ (when (/= (downcase tchar) tchar)
+ ;; It was a majuscule, so we end reading and use the default.
+ (if mimic (message "%c %c %c" prefix hchar tchar)
+ (message ""))
+ (setq pchar (or pchar ?t)))
+
+ ;; We continue reading.
+ (while (not pchar)
+ (if mimic
+ (progn
+ (sit-for 1) (message "%c %c %c-" prefix hchar tchar))
+ (message "%s permanence (%s?): " (if increase "Increase" "Lower")
+ (mapconcat (lambda (s) (char-to-string (car s)))
+ char-to-perm "")))
+ (setq pchar (read-char))
+ (when (or (= pchar ??) (= pchar ?\C-h))
+ (setq pchar nil)
+ (gnus-score-insert-help "Match permanence" char-to-perm 2)))
+
+ (gnus-score-kill-help-buffer)
+ (if mimic (message "%c %c %c %c" prefix hchar tchar pchar)
+ (message ""))
+ (unless (setq temporary (cadr (assq pchar char-to-perm)))
+ ;; Deal with der(r)ided superannuated paradigms.
+ (when (and (eq (1+ prefix) 77)
+ (eq (+ hchar 12) 109)
+ (eq (1- tchar) 113)
+ (eq (- pchar 4) 111))
+ (error "You rang?"))
+ (if mimic
+ (error "%c %c %c %c" prefix hchar tchar pchar)
+ (error "Invalid match duration"))))
+ ;; Always kill the score help buffer.
+ (gnus-score-kill-help-buffer))
+
+ ;; If scoring an extra (non-standard overview) header,
+ ;; we must find out which header is in question.
+ (setq extra
+ (and gnus-extra-headers
+ (equal (nth 1 entry) "extra")
+ (intern ; need symbol
+ (let ((collection (mapcar 'symbol-name gnus-extra-headers)))
+ (gnus-completing-read
+ "Score extra header" ; prompt
+ collection ; completion list
+ t ; require match
+ nil ; no history
+ nil ; no initial-input
+ (car collection)))))) ; default value
+ ;; extra is now nil or a symbol.
+
+ ;; We have all the data, so we enter this score.
+ (setq match (if (string= (nth 2 entry) "") ""
+ (gnus-summary-header (or (nth 2 entry) (nth 1 entry))
+ nil extra)))
+
+ ;; Modify the match, perhaps.
+ (cond
+ ((equal (nth 1 entry) "xref")
+ (when (string-match "^Xref: *" match)
+ (setq match (substring match (match-end 0))))
+ (when (string-match "^[^:]* +" match)
+ (setq match (substring match (match-end 0))))))
+
+ (when (memq type '(r R regexp Regexp))
+ (setq match (regexp-quote match)))
+
+ ;; Change score file to the "all.SCORE" file.
+ (when (eq symp 'a)
+ (with-current-buffer gnus-summary-buffer
+ (gnus-score-load-file
+ ;; This is a kludge; yes...
+ (cond
+ ((eq gnus-score-find-score-files-function
+ 'gnus-score-find-hierarchical)
+ (gnus-score-file-name ""))
+ ((eq gnus-score-find-score-files-function 'gnus-score-find-single)
+ current-score-file)
+ (t
+ (gnus-score-file-name "all"))))))
+
+ (gnus-summary-score-entry
+ (nth 1 entry) ; Header
+ match ; Match
+ type ; Type
+ (if (eq score 's) nil score) ; Score
+ (if (eq temporary 'perm) ; Temp
+ nil
+ temporary)
+ (not (nth 3 entry)) ; Prompt
+ nil ; not silent
+ extra) ; non-standard overview.
+
+ (when (eq symp 'a)
+ ;; We change the score file back to the previous one.
+ (with-current-buffer gnus-summary-buffer
+ (gnus-score-load-file current-score-file)))))
+
+(defun gnus-score-insert-help (string alist idx)
+ (setq gnus-score-help-winconf (current-window-configuration))
+ (with-current-buffer (gnus-get-buffer-create "*Score Help*")
+ (buffer-disable-undo)
+ (delete-windows-on (current-buffer))
+ (erase-buffer)
+ (insert string ":\n\n")
+ (let ((max -1)
+ (list alist)
+ (i 0)
+ n width pad format)
+ ;; find the longest string to display
+ (while list
+ (setq n (length (nth idx (car list))))
+ (unless (> max n)
+ (setq max n))
+ (setq list (cdr list)))
+ (setq max (+ max 4)) ; %c, `:', SPACE, a SPACE at end
+ (setq n (/ (1- (window-width)) max)) ; items per line
+ (setq width (/ (1- (window-width)) n)) ; width of each item
+ ;; insert `n' items, each in a field of width `width'
+ (while alist
+ (if (< i n)
+ ()
+ (setq i 0)
+ (delete-char -1) ; the `\n' takes a char
+ (insert "\n"))
+ (setq pad (- width 3))
+ (setq format (concat "%c: %-" (int-to-string pad) "s"))
+ (insert (format format (caar alist) (nth idx (car alist))))
+ (setq alist (cdr alist))
+ (setq i (1+ i))))
+ (goto-char (point-min))
+ ;; display ourselves in a small window at the bottom
+ (gnus-select-lowest-window)
+ (if (< (/ (window-height) 2) window-min-height)
+ (switch-to-buffer "*Score Help*")
+ (split-window)
+ (pop-to-buffer "*Score Help*"))
+ (let ((window-min-height 1))
+ (shrink-window-if-larger-than-buffer))
+ (select-window (gnus-get-buffer-window gnus-summary-buffer t))))
+
+(defun gnus-summary-header (header &optional no-err extra)
+ ;; Return HEADER for current articles, or error.
+ (let ((article (gnus-summary-article-number))
+ headers)
+ (if article
+ (if (and (setq headers (gnus-summary-article-header article))
+ (vectorp headers))
+ (if extra ; `header' must be "extra"
+ (or (cdr (assq extra (mail-header-extra headers))) "")
+ (aref headers (nth 1 (assoc header gnus-header-index))))
+ (if no-err
+ nil
+ (error "Pseudo-articles can't be scored")))
+ (if no-err
+ (error "No article on current line")
+ nil))))
+
+(defun gnus-newsgroup-score-alist ()
+ (or
+ (let ((param-file (gnus-group-find-parameter
+ gnus-newsgroup-name 'score-file)))
+ (when param-file
+ (gnus-score-load param-file)))
+ (gnus-score-load
+ (gnus-score-file-name gnus-newsgroup-name)))
+ gnus-score-alist)
+
+(defsubst gnus-score-get (symbol &optional alist)
+ ;; Get SYMBOL's definition in ALIST.
+ (cdr (assoc symbol
+ (or alist
+ gnus-score-alist
+ (gnus-newsgroup-score-alist)))))
+
+(defun gnus-summary-score-entry (header match type score date
+ &optional prompt silent extra)
+ "Enter score file entry.
+HEADER is the header being scored.
+MATCH is the string we are looking for.
+TYPE is the match type: substring, regexp, exact, fuzzy.
+SCORE is the score to add.
+DATE is the expire date, or nil for no expire, or 'now for immediate expire.
+If optional argument `PROMPT' is non-nil, allow user to edit match.
+If optional argument `SILENT' is nil, show effect of score entry.
+If optional argument `EXTRA' is non-nil, it's a non-standard overview header."
+ ;; Regexp is the default type.
+ (when (eq type t)
+ (setq type 'r))
+ ;; Simplify matches...
+ (cond ((or (eq type 'r) (eq type 's) (eq type nil))
+ (setq match (if match (gnus-simplify-subject-re match) "")))
+ ((eq type 'f)
+ (setq match (gnus-simplify-subject-fuzzy match))))
+ (let ((score (gnus-score-delta-default score))
+ (header (downcase header))
+ new)
+ (set-text-properties 0 (length header) nil header)
+ (when prompt
+ (setq match (read-string
+ (format "Match %s on %s, %s: "
+ (cond ((eq date 'now)
+ "now")
+ ((stringp date)
+ "temp")
+ (t "permanent"))
+ header
+ (if (< score 0) "lower" "raise"))
+ (if (numberp match)
+ (int-to-string match)
+ match))))
+
+ ;; If this is an integer comparison, we transform from string to int.
+ (if (eq (nth 2 (assoc header gnus-header-index)) 'gnus-score-integer)
+ (if (stringp match)
+ (setq match (string-to-number match)))
+ (set-text-properties 0 (length match) nil match))
+
+ (unless (eq date 'now)
+ ;; Add the score entry to the score file.
+ (when (= score gnus-score-interactive-default-score)
+ (setq score nil))
+ (let ((old (gnus-score-get header))
+ elem)
+ (setq new
+ (cond
+ (extra
+ (list match score
+ (and date (if (numberp date) date
+ (date-to-day date)))
+ type (symbol-name extra)))
+ (type
+ (list match score
+ (and date (if (numberp date) date
+ (date-to-day date)))
+ type))
+ (date (list match score (date-to-day date)))
+ (score (list match score))
+ (t (list match))))
+ ;; We see whether we can collapse some score entries.
+ ;; This isn't quite correct, because there may be more elements
+ ;; later on with the same key that have matching elems... Hm.
+ (if (and old
+ (setq elem (assoc match old))
+ (eq (nth 3 elem) (nth 3 new))
+ (or (and (numberp (nth 2 elem)) (numberp (nth 2 new)))
+ (and (not (nth 2 elem)) (not (nth 2 new)))))
+ ;; Yup, we just add this new score to the old elem.
+ (setcar (cdr elem) (+ (or (nth 1 elem)
+ gnus-score-interactive-default-score)
+ (or (nth 1 new)
+ gnus-score-interactive-default-score)))
+ ;; Nope, we have to add a new elem.
+ (gnus-score-set header (if old (cons new old) (list new)) nil t))
+ (gnus-score-set 'touched '(t))))
+
+ ;; Score the current buffer.
+ (unless silent
+ (if (and (>= (nth 1 (assoc header gnus-header-index)) 0)
+ (eq (nth 2 (assoc header gnus-header-index))
+ 'gnus-score-string))
+ (gnus-summary-score-effect header match type score extra)
+ (gnus-summary-rescore)))
+
+ ;; Return the new scoring rule.
+ new))
+
+(defun gnus-summary-score-effect (header match type score &optional extra)
+ "Simulate the effect of a score file entry.
+HEADER is the header being scored.
+MATCH is the string we are looking for.
+TYPE is the score type.
+SCORE is the score to add.
+EXTRA is the possible non-standard header."
+ (interactive (list (gnus-completing-read "Header"
+ (mapcar
+ 'car
+ (gnus-remove-if-not
+ (lambda (x) (fboundp (nth 2 x)))
+ gnus-header-index))
+ t)
+ (read-string "Match: ")
+ (if (y-or-n-p "Use regexp match? ") 'r 's)
+ (string-to-number (read-string "Score: "))))
+ (save-excursion
+ (unless (and (stringp match) (> (length match) 0))
+ (error "No match"))
+ (goto-char (point-min))
+ (let ((regexp (cond ((eq type 'f)
+ (gnus-simplify-subject-fuzzy match))
+ ((eq type 'r)
+ match)
+ ((eq type 'e)
+ (concat "\\`" (regexp-quote match) "\\'"))
+ (t
+ (regexp-quote match)))))
+ (while (not (eobp))
+ (let ((content (gnus-summary-header header 'noerr extra))
+ (case-fold-search t))
+ (and content
+ (when (if (eq type 'f)
+ (string-equal (gnus-simplify-subject-fuzzy content)
+ regexp)
+ (string-match regexp content))
+ (gnus-summary-raise-score score))))
+ (beginning-of-line 2))))
+ (gnus-set-mode-line 'summary))
+\f
+;;;
+;;; Gnus Score Files
+;;;
+
+;; All score code written by Per Abrahamsen <abraham@iesd.auc.dk>.
+
+(defun gnus-score-set-mark-below (score)
+ "Automatically mark articles with score below SCORE as read."
+ (interactive
+ (list (or (and current-prefix-arg (prefix-numeric-value current-prefix-arg))
+ (string-to-number (read-string "Mark below: ")))))
+ (setq score (or score gnus-summary-default-score 0))
+ (gnus-score-set 'mark (list score))
+ (gnus-score-set 'touched '(t))
+ (setq gnus-summary-mark-below score)
+ (gnus-score-update-lines))
+
+(defun gnus-score-update-lines ()
+ "Update all lines in the summary buffer."
+ (save-excursion
+ (goto-char (point-min))
+ (while (not (eobp))
+ (gnus-summary-update-line)
+ (forward-line 1))))
+
+(defun gnus-score-update-all-lines ()
+ "Update all lines in the summary buffer, even the hidden ones."
+ (save-excursion
+ (goto-char (point-min))
+ (let (hidden)
+ (while (not (eobp))
+ (when (gnus-summary-show-thread)
+ (push (point) hidden))
+ (gnus-summary-update-line)
+ (forward-line 1))
+ ;; Re-hide the hidden threads.
+ (while hidden
+ (goto-char (pop hidden))
+ (gnus-summary-hide-thread)))))
+
+(defun gnus-score-set-expunge-below (score)
+ "Automatically expunge articles with score below SCORE."
+ (interactive
+ (list (or (and current-prefix-arg (prefix-numeric-value current-prefix-arg))
+ (string-to-number (read-string "Set expunge below: ")))))
+ (setq score (or score gnus-summary-default-score 0))
+ (gnus-score-set 'expunge (list score))
+ (gnus-score-set 'touched '(t)))
+
+(defun gnus-score-followup-article (&optional score)
+ "Add SCORE to all followups to the article in the current buffer."
+ (interactive "P")
+ (setq score (gnus-score-delta-default score))
+ (when (gnus-buffer-live-p gnus-summary-buffer)
+ (save-excursion
+ (save-restriction
+ (message-narrow-to-headers)
+ (let ((id (mail-fetch-field "message-id")))
+ (when id
+ (set-buffer gnus-summary-buffer)
+ (gnus-summary-score-entry
+ "references" (concat id "[ \t]*$") 'r
+ score (current-time-string) nil t)))))))
+
+(defun gnus-score-followup-thread (&optional score)
+ "Add SCORE to all later articles in the thread the current buffer is part of."
+ (interactive "P")
+ (setq score (gnus-score-delta-default score))
+ (when (gnus-buffer-live-p gnus-summary-buffer)
+ (save-excursion
+ (save-restriction
+ (goto-char (point-min))
+ (let ((id (mail-fetch-field "message-id")))
+ (when id
+ (set-buffer gnus-summary-buffer)
+ (gnus-summary-score-entry
+ "references" id 's
+ score (current-time-string))))))))
+
+(defun gnus-score-set (symbol value &optional alist warn)
+ ;; Set SYMBOL to VALUE in ALIST.
+ (let* ((alist
+ (or alist
+ gnus-score-alist
+ (gnus-newsgroup-score-alist)))
+ (entry (assoc symbol alist)))
+ (cond ((gnus-score-get 'read-only alist)
+ ;; This is a read-only score file, so we do nothing.
+ (when warn
+ (gnus-message 4 "Note: read-only score file; entry discarded")))
+ (entry
+ (setcdr entry value))
+ ((null alist)
+ (error "Empty alist"))
+ (t
+ (setcdr alist
+ (cons (cons symbol value) (cdr alist)))))))
+
+(defun gnus-summary-raise-score (n)
+ "Raise the score of the current article by N."
+ (interactive "p")
+ (gnus-summary-set-score (+ (gnus-summary-article-score)
+ (or n gnus-score-interactive-default-score ))))
+
+(defun gnus-summary-set-score (n)
+ "Set the score of the current article to N."
+ (interactive "p")
+ (save-excursion
+ (gnus-summary-show-thread)
+ (let ((buffer-read-only nil))
+ ;; Set score.
+ (gnus-summary-update-mark
+ (if (= n (or gnus-summary-default-score 0)) ? ;Whitespace
+ (if (< n (or gnus-summary-default-score 0))
+ gnus-score-below-mark gnus-score-over-mark))
+ 'score))
+ (let* ((article (gnus-summary-article-number))
+ (score (assq article gnus-newsgroup-scored)))
+ (if score (setcdr score n)
+ (push (cons article n) gnus-newsgroup-scored)))
+ (gnus-summary-update-line)))
+
+(defun gnus-summary-current-score (arg)
+ "Return the score of the current article.
+ With prefix ARG, return the total score of the current (sub)thread."
+ (interactive "P")
+ (gnus-message 1 "%s" (if arg
+ (gnus-thread-total-score
+ (gnus-id-to-thread
+ (mail-header-id (gnus-summary-article-header))))
+ (gnus-summary-article-score))))
+
+(defun gnus-score-change-score-file (file)
+ "Change current score alist."
+ (interactive
+ (list (read-file-name "Change to score file: " gnus-kill-files-directory)))
+ (gnus-score-load-file file)
+ (gnus-set-mode-line 'summary))
+
+(defvar gnus-score-edit-exit-function)
+(defun gnus-score-edit-current-scores (file)
+ "Edit the current score alist."
+ (interactive (list gnus-current-score-file))
+ (if (not gnus-current-score-file)
+ (error "No current score file")
+ (let ((winconf (current-window-configuration)))
+ (when (buffer-name gnus-summary-buffer)
+ (gnus-score-save))
+ (gnus-make-directory (file-name-directory file))
+ (setq gnus-score-edit-buffer (find-file-noselect file))
+ (gnus-configure-windows 'edit-score)
+ (gnus-score-mode)
+ (setq gnus-score-edit-exit-function 'gnus-score-edit-done)
+ (make-local-variable 'gnus-prev-winconf)
+ (setq gnus-prev-winconf winconf))
+ (gnus-message
+ 4 "%s" (substitute-command-keys
+ "\\<gnus-score-mode-map>\\[gnus-score-edit-exit] to save edits"))))
+
+(defun gnus-score-edit-all-score ()
+ "Edit the all.SCORE file."
+ (interactive)
+ (find-file (gnus-score-file-name "all"))
+ (gnus-score-mode)
+ (setq gnus-score-edit-exit-function 'gnus-score-edit-done)
+ (gnus-message
+ 4 (substitute-command-keys
+ "\\<gnus-score-mode-map>\\[gnus-score-edit-exit] to save edits")))
+
+(defun gnus-score-edit-file (file)
+ "Edit a score file."
+ (interactive
+ (list (read-file-name "Edit score file: " gnus-kill-files-directory)))
+ (gnus-make-directory (file-name-directory file))
+ (when (buffer-name gnus-summary-buffer)
+ (gnus-score-save))
+ (let ((winconf (current-window-configuration)))
+ (setq gnus-score-edit-buffer (find-file-noselect file))
+ (gnus-configure-windows 'edit-score)
+ (gnus-score-mode)
+ (setq gnus-score-edit-exit-function 'gnus-score-edit-done)
+ (make-local-variable 'gnus-prev-winconf)
+ (setq gnus-prev-winconf winconf))
+ (gnus-message
+ 4 "%s" (substitute-command-keys
+ "\\<gnus-score-mode-map>\\[gnus-score-edit-exit] to save edits")))
+
+(defun gnus-score-edit-file-at-point (&optional format)
+ "Edit score file at point in Score Trace buffers.
+If FORMAT, also format the current score file."
+ (let* ((rule (save-excursion
+ (beginning-of-line)
+ (read (current-buffer))))
+ (sep "[ \n\r\t]*")
+ ;; Must be synced with `gnus-score-find-trace':
+ (reg " -> +")
+ (file (save-excursion
+ (end-of-line)
+ (if (and (re-search-backward reg (point-at-bol) t)
+ (re-search-forward reg (point-at-eol) t))
+ (buffer-substring (point) (point-at-eol))
+ nil))))
+ (if (or (not file)
+ (string-match "\\<\\(non-file rule\\|A file\\)\\>" file)
+ ;; (see `gnus-score-find-trace' and `gnus-score-advanced')
+ (string= "" file))
+ (gnus-error 3 "Can't find a score file in current line.")
+ (gnus-score-edit-file file)
+ (when format
+ (gnus-score-pretty-print))
+ (when (consp rule) ;; the rule exists
+ (setq rule (mapconcat #'(lambda (obj)
+ (regexp-quote (format "%S" obj)))
+ rule
+ sep))
+ (goto-char (point-min))
+ (re-search-forward rule nil t)
+ ;; make it easy to use `kill-sexp':
+ (goto-char (1- (match-beginning 0)))))))
+
+(defun gnus-score-load-file (file)
+ ;; Load score file FILE. Returns a list a retrieved score-alists.
+ (let* ((file (expand-file-name
+ (or (and (string-match
+ (concat "^" (regexp-quote
+ (expand-file-name
+ gnus-kill-files-directory)))
+ (expand-file-name file))
+ file)
+ (expand-file-name file gnus-kill-files-directory))))
+ (cached (assoc file gnus-score-cache))
+ (global (member file gnus-internal-global-score-files))
+ lists alist)
+ (if cached
+ ;; The score file was already loaded.
+ (setq alist (cdr cached))
+ ;; We load the score file.
+ (setq gnus-score-alist nil)
+ (setq alist (gnus-score-load-score-alist file))
+ ;; We add '(touched) to the alist to signify that it hasn't been
+ ;; touched (yet).
+ (unless (assq 'touched alist)
+ (push (list 'touched nil) alist))
+ ;; If it is a global score file, we make it read-only.
+ (and global
+ (not (assq 'read-only alist))
+ (push (list 'read-only t) alist))
+ (push (cons file alist) gnus-score-cache))
+ (let ((a alist)
+ found)
+ (while a
+ ;; Downcase all header names.
+ (cond
+ ((stringp (caar a))
+ (setcar (car a) (downcase (caar a)))
+ (setq found t))
+ ;; Advanced scoring.
+ ((consp (caar a))
+ (setq found t)))
+ (pop a))
+ ;; If there are actual scores in the alist, we add it to the
+ ;; return value of this function.
+ (when found
+ (setq lists (list alist))))
+ ;; Treat the other possible atoms in the score alist.
+ (let ((mark (car (gnus-score-get 'mark alist)))
+ (expunge (car (gnus-score-get 'expunge alist)))
+ (mark-and-expunge (car (gnus-score-get 'mark-and-expunge alist)))
+ (files (gnus-score-get 'files alist))
+ (exclude-files (gnus-score-get 'exclude-files alist))
+ (orphan (car (gnus-score-get 'orphan alist)))
+ (adapt (gnus-score-get 'adapt alist))
+ (thread-mark-and-expunge
+ (car (gnus-score-get 'thread-mark-and-expunge alist)))
+ (adapt-file (car (gnus-score-get 'adapt-file alist)))
+ (local (gnus-score-get 'local alist))
+ (decay (car (gnus-score-get 'decay alist)))
+ (eval (car (gnus-score-get 'eval alist))))
+ ;; Perform possible decays.
+ (when (and (if (stringp gnus-decay-scores)
+ (string-match gnus-decay-scores file)
+ gnus-decay-scores)
+ (or cached (file-exists-p file))
+ (or (not decay)
+ (gnus-decay-scores alist decay)))
+ (gnus-score-set 'touched '(t) alist)
+ (gnus-score-set 'decay (list (time-to-days (current-time))) alist))
+ ;; We do not respect eval and files atoms from global score
+ ;; files.
+ (when (and files (not global))
+ (setq lists (apply 'append lists
+ (mapcar 'gnus-score-load-file
+ (if adapt-file (cons adapt-file files)
+ files)))))
+ (when (and eval (not global))
+ (eval eval))
+ ;; We then expand any exclude-file directives.
+ (setq gnus-scores-exclude-files
+ (nconc
+ (apply
+ 'nconc
+ (mapcar
+ (lambda (sfile)
+ (list
+ (expand-file-name sfile (file-name-directory file))
+ (expand-file-name sfile gnus-kill-files-directory)))
+ exclude-files))
+ gnus-scores-exclude-files))
+ (when local
+ (with-current-buffer gnus-summary-buffer
+ (while local
+ (and (consp (car local))
+ (symbolp (caar local))
+ (progn
+ (make-local-variable (caar local))
+ (set (caar local) (nth 1 (car local)))))
+ (setq local (cdr local)))))
+ (when orphan
+ (setq gnus-orphan-score orphan))
+ (setq gnus-adaptive-score-alist
+ (cond ((equal adapt '(t))
+ (setq gnus-newsgroup-adaptive t)
+ gnus-default-adaptive-score-alist)
+ ((equal adapt '(ignore))
+ (setq gnus-newsgroup-adaptive nil))
+ ((consp adapt)
+ (setq gnus-newsgroup-adaptive t)
+ adapt)
+ (t
+ gnus-default-adaptive-score-alist)))
+ (setq gnus-thread-expunge-below
+ (or thread-mark-and-expunge gnus-thread-expunge-below))
+ (setq gnus-summary-mark-below
+ (or mark mark-and-expunge gnus-summary-mark-below))
+ (setq gnus-summary-expunge-below
+ (or expunge mark-and-expunge gnus-summary-expunge-below))
+ (setq gnus-newsgroup-adaptive-score-file
+ (or adapt-file gnus-newsgroup-adaptive-score-file)))
+ (setq gnus-current-score-file file)
+ (setq gnus-score-alist alist)
+ lists))
+
+(defun gnus-score-load (file)
+ ;; Load score FILE.
+ (let ((cache (assoc file gnus-score-cache)))
+ (if cache
+ (setq gnus-score-alist (cdr cache))
+ (setq gnus-score-alist nil)
+ (gnus-score-load-score-alist file)
+ (unless gnus-score-alist
+ (setq gnus-score-alist (copy-alist '((touched nil)))))
+ (push (cons file gnus-score-alist) gnus-score-cache))))
+
+(defun gnus-score-remove-from-cache (file)
+ (setq gnus-score-cache
+ (delq (assoc file gnus-score-cache) gnus-score-cache)))
+
+(defun gnus-score-load-score-alist (file)
+ "Read score FILE."
+ (let (alist)
+ (if (not (file-readable-p file))
+ ;; Couldn't read file.
+ (setq gnus-score-alist nil)
+ ;; Read file.
+ (with-temp-buffer
+ (let ((coding-system-for-read score-mode-coding-system))
+ (insert-file-contents file))
+ (goto-char (point-min))
+ ;; Only do the loading if the score file isn't empty.
+ (when (save-excursion (re-search-forward "[()0-9a-zA-Z]" nil t))
+ (setq alist
+ (condition-case ()
+ (read (current-buffer))
+ (error
+ (gnus-error 3.2 "Problem with score file %s" file))))))
+ (cond
+ ((and alist
+ (atom alist))
+ ;; Bogus score file.
+ (error "Invalid syntax with score file %s" file))
+ ((eq (car alist) 'setq)
+ ;; This is an old-style score file.
+ (setq gnus-score-alist (gnus-score-transform-old-to-new alist)))
+ (t
+ (setq gnus-score-alist alist)))
+ ;; Check the syntax of the score file.
+ (setq gnus-score-alist
+ (gnus-score-check-syntax gnus-score-alist file)))))
+
+(defun gnus-score-check-syntax (alist file)
+ "Check the syntax of the score ALIST."
+ (cond
+ ((null alist)
+ nil)
+ ((not (consp alist))
+ (gnus-message 1 "Score file is not a list: %s" file)
+ (ding)
+ nil)
+ (t
+ (let ((a alist)
+ sr err s type)
+ (while (and a (not err))
+ (setq
+ err
+ (cond
+ ((not (listp (car a)))
+ (format "Invalid score element %s in %s" (car a) file))
+ ((stringp (caar a))
+ (cond
+ ((not (listp (setq sr (cdar a))))
+ (format "Invalid header match %s in %s" (nth 1 (car a)) file))
+ (t
+ (setq type (caar a))
+ (while (and sr (not err))
+ (setq s (pop sr))
+ (setq
+ err
+ (cond
+ ((if (member (downcase type) '("lines" "chars"))
+ (not (numberp (car s)))
+ (not (stringp (car s))))
+ (format "Invalid match %s in %s" (car s) file))
+ ((and (cadr s) (not (integerp (cadr s))))
+ (format "Non-integer score %s in %s" (cadr s) file))
+ ((and (caddr s) (not (integerp (caddr s))))
+ (format "Non-integer date %s in %s" (caddr s) file))
+ ((and (cadddr s) (not (symbolp (cadddr s))))
+ (format "Non-symbol match type %s in %s" (cadddr s) file)))))
+ err)))))
+ (setq a (cdr a)))
+ (if err
+ (progn
+ (ding)
+ (gnus-message 3 "%s" err)
+ (sit-for 2)
+ nil)
+ alist)))))
+
+(defun gnus-score-transform-old-to-new (alist)
+ (let* ((alist (nth 2 alist))
+ out entry)
+ (when (eq (car alist) 'quote)
+ (setq alist (nth 1 alist)))
+ (while alist
+ (setq entry (car alist))
+ (if (stringp (car entry))
+ (let ((scor (cdr entry)))
+ (push entry out)
+ (while scor
+ (setcar scor
+ (list (caar scor) (nth 2 (car scor))
+ (and (nth 3 (car scor))
+ (date-to-day (nth 3 (car scor))))
+ (if (nth 1 (car scor)) 'r 's)))
+ (setq scor (cdr scor))))
+ (push (if (not (listp (cdr entry)))
+ (list (car entry) (cdr entry))
+ entry)
+ out))
+ (setq alist (cdr alist)))
+ (cons (list 'touched t) (nreverse out))))
+
+(defun gnus-score-save ()
+ ;; Save all score information.
+ (let ((cache gnus-score-cache)
+ entry score file)
+ (save-excursion
+ (setq gnus-score-alist nil)
+ (nnheader-set-temp-buffer " *Gnus Scores*")
+ (while cache
+ (current-buffer)
+ (setq entry (pop cache)
+ file (nnheader-translate-file-chars (car entry) t)
+ score (cdr entry))
+ (if (or (not (equal (gnus-score-get 'touched score) '(t)))
+ (gnus-score-get 'read-only score)
+ (and (file-exists-p file)
+ (not (file-writable-p file))))
+ ()
+ (setq score (setcdr entry (gnus-delete-alist 'touched score)))
+ (erase-buffer)
+ (let (emacs-lisp-mode-hook)
+ (if (and (not gnus-adaptive-pretty-print)
+ (string-match
+ (concat (regexp-quote gnus-adaptive-file-suffix) "$")
+ file))
+ ;; This is an adaptive score file, so we do not run it through
+ ;; `pp' unless requested. These files can get huge, and are
+ ;; not meant to be edited by human hands.
+ (gnus-prin1 score)
+ ;; This is a normal score file, so we print it very
+ ;; prettily.
+ (let ((lisp-mode-syntax-table score-mode-syntax-table))
+ (gnus-pp score))))
+ (gnus-make-directory (file-name-directory file))
+ ;; If the score file is empty, we delete it.
+ (if (zerop (buffer-size))
+ (delete-file file)
+ ;; There are scores, so we write the file.
+ (when (file-writable-p file)
+ (let ((coding-system-for-write score-mode-coding-system))
+ (gnus-write-buffer file))
+ (when gnus-score-after-write-file-function
+ (funcall gnus-score-after-write-file-function file)))))
+ (and gnus-score-uncacheable-files
+ (string-match gnus-score-uncacheable-files file)
+ (gnus-score-remove-from-cache file)))
+ (kill-buffer (current-buffer)))))
+
+(defun gnus-score-load-files (score-files)
+ "Load all score files in SCORE-FILES."
+ ;; Load the score files.
+ (let (scores)
+ (while score-files
+ (if (stringp (car score-files))
+ ;; It is a string, which means that it's a score file name,
+ ;; so we load the score file and add the score alist to
+ ;; the list of alists.
+ (setq scores (nconc (gnus-score-load-file (car score-files)) scores))
+ ;; It is an alist, so we just add it to the list directly.
+ (setq scores (nconc (car score-files) scores)))
+ (setq score-files (cdr score-files)))
+ ;; Prune the score files that are to be excluded, if any.
+ (when gnus-scores-exclude-files
+ (let ((s scores)
+ c)
+ (while s
+ (and (setq c (rassq (car s) gnus-score-cache))
+ (member (car c) gnus-scores-exclude-files)
+ (setq scores (delq (car s) scores)))
+ (setq s (cdr s)))))
+ scores))
+
+(defun gnus-score-headers (score-files &optional trace)
+ ;; Score `gnus-newsgroup-headers'.
+ (let (scores news)
+ ;; PLM: probably this is not the best place to clear orphan-score
+ (setq gnus-orphan-score nil
+ gnus-scores-articles nil
+ gnus-scores-exclude-files nil
+ scores (gnus-score-load-files score-files))
+ (setq news scores)
+ ;; Do the scoring.
+ (while news
+ (setq scores news
+ news nil)
+ (when (and gnus-summary-default-score
+ scores)
+ (let* ((entries gnus-header-index)
+ (now (date-to-day (current-time-string)))
+ (expire (and gnus-score-expiry-days
+ (- now gnus-score-expiry-days)))
+ (headers gnus-newsgroup-headers)
+ (current-score-file gnus-current-score-file)
+ entry header new)
+ (gnus-message 7 "Scoring...")
+ ;; Create articles, an alist of the form `(HEADER . SCORE)'.
+ (while (setq header (pop headers))
+ ;; WARNING: The assq makes the function O(N*S) while it could
+ ;; be written as O(N+S), where N is (length gnus-newsgroup-headers)
+ ;; and S is (length gnus-newsgroup-scored).
+ (unless (assq (mail-header-number header) gnus-newsgroup-scored)
+ (setq gnus-scores-articles ;Total of 2 * N cons-cells used.
+ (cons (cons header (or gnus-summary-default-score 0))
+ gnus-scores-articles))))
+
+ (with-current-buffer (gnus-get-buffer-create "*Headers*")
+ (buffer-disable-undo)
+ (when (gnus-buffer-live-p gnus-summary-buffer)
+ (message-clone-locals gnus-summary-buffer))
+
+ ;; Set the global variant of this variable.
+ (setq gnus-current-score-file current-score-file)
+ ;; score orphans
+ (when gnus-orphan-score
+ (setq gnus-score-index
+ (nth 1 (assoc "references" gnus-header-index)))
+ (gnus-score-orphans gnus-orphan-score))
+ ;; Run each header through the score process.
+ (while entries
+ (setq entry (pop entries)
+ header (nth 0 entry)
+ gnus-score-index (nth 1 (assoc header gnus-header-index)))
+ (when (< 0 (apply 'max (mapcar
+ (lambda (score)
+ (length (gnus-score-get header score)))
+ scores)))
+ (when (if (and gnus-inhibit-slow-scoring
+ (or (eq gnus-inhibit-slow-scoring t)
+ (and (stringp gnus-inhibit-slow-scoring)
+ ;; Always true here?
+ ;; (stringp gnus-newsgroup-name)
+ (string-match
+ gnus-inhibit-slow-scoring
+ gnus-newsgroup-name)))
+ (> 0 (nth 1 (assoc header gnus-header-index))))
+ (progn
+ (gnus-message
+ 7 "Scoring on headers or body skipped.")
+ nil)
+ ;; Call the scoring function for this type of "header".
+ (setq new (funcall (nth 2 entry) scores header
+ now expire trace)))
+ (push new news))))
+ (when (gnus-buffer-live-p gnus-summary-buffer)
+ (let ((scored gnus-newsgroup-scored))
+ (with-current-buffer gnus-summary-buffer
+ (setq gnus-newsgroup-scored scored))))
+ ;; Remove the buffer.
+ (gnus-kill-buffer (current-buffer)))
+
+ ;; Add articles to `gnus-newsgroup-scored'.
+ (while gnus-scores-articles
+ (when (or (/= gnus-summary-default-score
+ (cdar gnus-scores-articles))
+ gnus-save-score)
+ (push (cons (mail-header-number (caar gnus-scores-articles))
+ (cdar gnus-scores-articles))
+ gnus-newsgroup-scored))
+ (setq gnus-scores-articles (cdr gnus-scores-articles)))
+
+ (let (score)
+ (while (setq score (pop scores))
+ (while score
+ (when (consp (caar score))
+ (gnus-score-advanced (car score) trace))
+ (pop score))))
+
+ (gnus-message 7 "Scoring...done"))))))
+
+(defun gnus-score-lower-thread (thread score-adjust)
+ "Lower the score on THREAD with SCORE-ADJUST.
+THREAD is expected to contain a list of the form `(PARENT [CHILD1
+CHILD2 ...])' where PARENT is a header array and each CHILD is a list
+of the same form as THREAD. The empty list nil is valid. For each
+article in the tree, the score of the corresponding entry in
+`gnus-newsgroup-scored' is adjusted by SCORE-ADJUST."
+ (while thread
+ (let ((head (car thread)))
+ (if (listp head)
+ ;; handle a child and its descendants
+ (gnus-score-lower-thread head score-adjust)
+ ;; handle the parent
+ (let* ((article (mail-header-number head))
+ (score (assq article gnus-newsgroup-scored)))
+ (if score (setcdr score (+ (cdr score) score-adjust))
+ (push (cons article score-adjust) gnus-newsgroup-scored)))))
+ (setq thread (cdr thread))))
+
+(defun gnus-score-orphans (score)
+ "Score orphans.
+A root is an article with no references. An orphan is an article
+which has references, but is not connected via its references to a
+root article. This function finds all the orphans, and adjusts their
+score in `gnus-newsgroup-scored' by SCORE."
+ ;; gnus-make-threads produces a list, where each entry is a "thread"
+ ;; as described in the gnus-score-lower-thread docs. This function
+ ;; will be called again (after limiting has been done) if the display
+ ;; is threaded. It would be nice to somehow save this info and use
+ ;; it later.
+ (dolist (thread (gnus-make-threads))
+ (let ((id (aref (car thread) gnus-score-index)))
+ ;; If the parent of the thread is not a root, lower the score of
+ ;; it and its descendants. Note that some roots seem to satisfy
+ ;; (eq id nil) and some (eq id ""); not sure why.
+ (when (and id
+ (not (string= id "")))
+ (gnus-score-lower-thread thread score)))))
+
+(defun gnus-score-integer (scores header now expire &optional trace)
+ (let ((gnus-score-index (nth 1 (assoc header gnus-header-index)))
+ entries alist)
+ ;; Find matches.
+ (while scores
+ (setq alist (car scores)
+ scores (cdr scores)
+ entries (assoc header alist))
+ (while (cdr entries) ;First entry is the header index.
+ (let* ((rest (cdr entries))
+ (kill (car rest))
+ (match (nth 0 kill))
+ (type (or (nth 3 kill) '>))
+ (score (or (nth 1 kill) gnus-score-interactive-default-score))
+ (date (nth 2 kill))
+ (found nil)
+ (match-func (if (or (eq type '>) (eq type '<) (eq type '<=)
+ (eq type '>=) (eq type '=))
+ type
+ (error "Invalid match type: %s" type)))
+ (articles gnus-scores-articles))
+ ;; Instead of doing all the clever stuff that
+ ;; `gnus-score-string' does to minimize searches and stuff,
+ ;; I will assume that people generally will put so few
+ ;; matches on numbers that any cleverness will take more
+ ;; time than one would gain.
+ (while articles
+ (when (funcall match-func
+ (or (aref (caar articles) gnus-score-index) 0)
+ match)
+ (when trace
+ (push (cons (car-safe (rassq alist gnus-score-cache)) kill)
+ gnus-score-trace))
+ (setq found t)
+ (setcdr (car articles) (+ score (cdar articles))))
+ (setq articles (cdr articles)))
+ ;; Update expire date
+ (cond ((null date)) ;Permanent entry.
+ ((and found gnus-update-score-entry-dates) ;Match, update date.
+ (gnus-score-set 'touched '(t) alist)
+ (setcar (nthcdr 2 kill) now))
+ ((and expire (< date expire)) ;Old entry, remove.
+ (gnus-score-set 'touched '(t) alist)
+ (setcdr entries (cdr rest))
+ (setq rest entries)))
+ (setq entries rest)))))
+ nil)
+
+(defun gnus-score-date (scores header now expire &optional trace)
+ (let ((gnus-score-index (nth 1 (assoc header gnus-header-index)))
+ entries alist match match-func article)
+ ;; Find matches.
+ (while scores
+ (setq alist (car scores)
+ scores (cdr scores)
+ entries (assoc header alist))
+ (while (cdr entries) ;First entry is the header index.
+ (let* ((rest (cdr entries))
+ (kill (car rest))
+ (type (or (nth 3 kill) 'before))
+ (score (or (nth 1 kill) gnus-score-interactive-default-score))
+ (date (nth 2 kill))
+ (found nil)
+ (articles gnus-scores-articles)
+ l)
+ (cond
+ ((eq type 'after)
+ (setq match-func 'string<
+ match (gnus-date-iso8601 (nth 0 kill))))
+ ((eq type 'before)
+ (setq match-func 'gnus-string>
+ match (gnus-date-iso8601 (nth 0 kill))))
+ ((eq type 'at)
+ (setq match-func 'string=
+ match (gnus-date-iso8601 (nth 0 kill))))
+ ((eq type 'regexp)
+ (setq match-func 'string-match
+ match (nth 0 kill)))
+ (t (error "Invalid match type: %s" type)))
+ ;; Instead of doing all the clever stuff that
+ ;; `gnus-score-string' does to minimize searches and stuff,
+ ;; I will assume that people generally will put so few
+ ;; matches on numbers that any cleverness will take more
+ ;; time than one would gain.
+ (while (setq article (pop articles))
+ (when (and
+ (setq l (aref (car article) gnus-score-index))
+ (funcall match-func match (gnus-date-iso8601 l)))
+ (when trace
+ (push (cons (car-safe (rassq alist gnus-score-cache)) kill)
+ gnus-score-trace))
+ (setq found t)
+ (setcdr article (+ score (cdr article)))))
+ ;; Update expire date
+ (cond ((null date)) ;Permanent entry.
+ ((and found gnus-update-score-entry-dates) ;Match, update date.
+ (gnus-score-set 'touched '(t) alist)
+ (setcar (nthcdr 2 kill) now))
+ ((and expire (< date expire)) ;Old entry, remove.
+ (gnus-score-set 'touched '(t) alist)
+ (setcdr entries (cdr rest))
+ (setq rest entries)))
+ (setq entries rest)))))
+ nil)
+
+(defun gnus-score-decode-text-parts ()
+ (gmm-labels
+ ((mm-text-parts
+ (handle)
+ (cond ((stringp (car handle))
+ (let ((parts (apply #'append
+ (mapcar #'mm-text-parts (cdr handle)))))
+ (if (equal "multipart/alternative" (car handle))
+ ;; pick the first supported alternative
+ (list (car parts))
+ parts)))
+
+ ((bufferp (car handle))
+ (when (string-match "^text/" (mm-handle-media-type handle))
+ (list handle)))
+
+ (t (apply #'append (mapcar #'mm-text-parts handle)))))
+ (my-mm-display-part
+ (handle)
+ (when handle
+ (save-restriction
+ (narrow-to-region (point) (point))
+ (mm-display-inline handle)
+ (goto-char (point-max))))))
+
+ (let (;(mm-text-html-renderer 'w3m-standalone)
+ (handles (mm-dissect-buffer t)))
+ (save-excursion
+ (article-goto-body)
+ (delete-region (point) (point-max))
+ (mapc #'my-mm-display-part (mm-text-parts handles))
+ handles))))
+
+(defun gnus-score-body (scores header now expire &optional trace)
+ (if gnus-agent-fetching
+ nil
+ (save-excursion
+ (setq gnus-scores-articles
+ (sort gnus-scores-articles
+ (lambda (a1 a2)
+ (< (mail-header-number (car a1))
+ (mail-header-number (car a2))))))
+ (set-buffer nntp-server-buffer)
+ (save-restriction
+ (let* ((buffer-read-only nil)
+ (articles gnus-scores-articles)
+ (all-scores scores)
+ (request-func (cond ((string= "head" header)
+ 'gnus-request-head)
+ ((string= "body" header)
+ 'gnus-request-body)
+ (t 'gnus-request-article)))
+ entries alist ofunc article last)
+ (when articles
+ (setq last (mail-header-number (caar (last articles))))
+ ;; Not all backends support partial fetching. In that case,
+ ;; we just fetch the entire article.
+ ;; When scoring by body, we need to peek at the headers to detect
+ ;; the content encoding
+ (unless (or (gnus-check-backend-function
+ (and (string-match "^gnus-" (symbol-name request-func))
+ (intern (substring (symbol-name request-func)
+ (match-end 0))))
+ gnus-newsgroup-name)
+ (string= "body" header))
+ (setq ofunc request-func)
+ (setq request-func 'gnus-request-article))
+ (while articles
+ (setq article (mail-header-number (caar articles)))
+ (gnus-message 7 "Scoring article %s of %s..." article last)
+ (widen)
+ (let (handles)
+ (when (funcall request-func article gnus-newsgroup-name)
+ (when (string= "body" header)
+ (setq handles (gnus-score-decode-text-parts)))
+ (goto-char (point-min))
+ ;; If just parts of the article is to be searched, but the
+ ;; backend didn't support partial fetching, we just narrow
+ ;; to the relevant parts.
+ (when ofunc
+ (if (eq ofunc 'gnus-request-head)
+ (narrow-to-region
+ (point)
+ (or (search-forward "\n\n" nil t) (point-max)))
+ (narrow-to-region
+ (or (search-forward "\n\n" nil t) (point))
+ (point-max))))
+ (setq scores all-scores)
+ ;; Find matches.
+ (while scores
+ (setq alist (pop scores)
+ entries (assoc header alist))
+ (while (cdr entries) ;First entry is the header index.
+ (let* ((rest (cdr entries))
+ (kill (car rest))
+ (match (nth 0 kill))
+ (type (or (nth 3 kill) 's))
+ (score (or (nth 1 kill)
+ gnus-score-interactive-default-score))
+ (date (nth 2 kill))
+ (found nil)
+ (case-fold-search
+ (not (or (eq type 'R) (eq type 'S)
+ (eq type 'Regexp) (eq type 'String))))
+ (search-func
+ (cond ((or (eq type 'r) (eq type 'R)
+ (eq type 'regexp) (eq type 'Regexp))
+ 're-search-forward)
+ ((or (eq type 's) (eq type 'S)
+ (eq type 'string) (eq type 'String))
+ 'search-forward)
+ (t
+ (error "Invalid match type: %s" type)))))
+ (goto-char (point-min))
+ (when (funcall search-func match nil t)
+ ;; Found a match, update scores.
+ (setcdr (car articles) (+ score (cdar articles)))
+ (setq found t)
+ (when trace
+ (push
+ (cons (car-safe (rassq alist gnus-score-cache))
+ kill)
+ gnus-score-trace)))
+ ;; Update expire date
+ (unless trace
+ (cond
+ ((null date)) ;Permanent entry.
+ ((and found gnus-update-score-entry-dates)
+ ;; Match, update date.
+ (gnus-score-set 'touched '(t) alist)
+ (setcar (nthcdr 2 kill) now))
+ ((and expire (< date expire)) ;Old entry, remove.
+ (gnus-score-set 'touched '(t) alist)
+ (setcdr entries (cdr rest))
+ (setq rest entries))))
+ (setq entries rest))))
+ (when handles (mm-destroy-parts handles))))
+ (setq articles (cdr articles)))))))
+ nil))
+
+(defun gnus-score-thread (scores header now expire &optional trace)
+ (gnus-score-followup scores header now expire trace t))
+
+(defun gnus-score-followup (scores header now expire &optional trace thread)
+ (if gnus-agent-fetching
+ ;; FIXME: It seems doable in fetching mode.
+ nil
+ ;; Insert the unique article headers in the buffer.
+ (let ((gnus-score-index (nth 1 (assoc header gnus-header-index)))
+ (current-score-file gnus-current-score-file)
+ (all-scores scores)
+ ;; gnus-score-index is used as a free variable.
+ alike last this art entries alist articles
+ new news)
+
+ ;; Change score file to the adaptive score file. All entries that
+ ;; this function makes will be put into this file.
+ (with-current-buffer gnus-summary-buffer
+ (gnus-score-load-file
+ (or gnus-newsgroup-adaptive-score-file
+ (gnus-score-file-name
+ gnus-newsgroup-name gnus-adaptive-file-suffix))))
+
+ (setq gnus-scores-articles (sort gnus-scores-articles
+ 'gnus-score-string<)
+ articles gnus-scores-articles)
+
+ (erase-buffer)
+ (while articles
+ (setq art (car articles)
+ this (aref (car art) gnus-score-index)
+ articles (cdr articles))
+ (if (equal last this)
+ (push art alike)
+ (when last
+ (insert last ?\n)
+ (put-text-property (1- (point)) (point) 'articles alike))
+ (setq alike (list art)
+ last this)))
+ (when last ; Bwadr, duplicate code.
+ (insert last ?\n)
+ (put-text-property (1- (point)) (point) 'articles alike))
+
+ ;; Find matches.
+ (while scores
+ (setq alist (car scores)
+ scores (cdr scores)
+ entries (assoc header alist))
+ (while (cdr entries) ;First entry is the header index.
+ (let* ((rest (cdr entries))
+ (kill (car rest))
+ (match (nth 0 kill))
+ (type (or (nth 3 kill) 's))
+ (score (or (nth 1 kill) gnus-score-interactive-default-score))
+ (date (nth 2 kill))
+ (found nil)
+ (mt (aref (symbol-name type) 0))
+ (case-fold-search
+ (not (or (= mt ?R) (= mt ?S) (= mt ?E) (= mt ?F))))
+ (dmt (downcase mt))
+ (search-func
+ (cond ((= dmt ?r) 're-search-forward)
+ ((or (= dmt ?e) (= dmt ?s) (= dmt ?f)) 'search-forward)
+ (t (error "Invalid match type: %s" type))))
+ arts art)
+ (goto-char (point-min))
+ (if (= dmt ?e)
+ (while (funcall search-func match nil t)
+ (and (= (point-at-bol)
+ (match-beginning 0))
+ (= (progn (end-of-line) (point))
+ (match-end 0))
+ (progn
+ (setq found (setq arts (get-text-property
+ (point) 'articles)))
+ ;; Found a match, update scores.
+ (while arts
+ (setq art (car arts)
+ arts (cdr arts))
+ (gnus-score-add-followups
+ (car art) score all-scores thread))))
+ (end-of-line))
+ (while (funcall search-func match nil t)
+ (end-of-line)
+ (setq found (setq arts (get-text-property (point) 'articles)))
+ ;; Found a match, update scores.
+ (while (setq art (pop arts))
+ (setcdr art (+ score (cdr art)))
+ (when trace
+ (push (cons
+ (car-safe (rassq alist gnus-score-cache))
+ kill)
+ gnus-score-trace))
+ (when (setq new (gnus-score-add-followups
+ (car art) score all-scores thread))
+ (push new news)))))
+ ;; Update expire date
+ (cond ((null date)) ;Permanent entry.
+ ((and found gnus-update-score-entry-dates)
+ ;Match, update date.
+ (gnus-score-set 'touched '(t) alist)
+ (setcar (nthcdr 2 kill) now))
+ ((and expire (< date expire)) ;Old entry, remove.
+ (gnus-score-set 'touched '(t) alist)
+ (setcdr entries (cdr rest))
+ (setq rest entries)))
+ (setq entries rest))))
+ ;; We change the score file back to the previous one.
+ (with-current-buffer gnus-summary-buffer
+ (gnus-score-load-file current-score-file))
+ (list (cons "references" news)))))
+
+(defun gnus-score-add-followups (header score scores &optional thread)
+ "Add a score entry to the adapt file."
+ (with-current-buffer gnus-summary-buffer
+ (let* ((id (mail-header-id header))
+ (scores (car scores))
+ entry dont)
+ ;; Don't enter a score if there already is one.
+ (while (setq entry (pop scores))
+ (and (equal "references" (car entry))
+ (or (null (nth 3 (cadr entry)))
+ (eq 's (nth 3 (cadr entry))))
+ (assoc id entry)
+ (setq dont t)))
+ (unless dont
+ (gnus-summary-score-entry
+ (if thread "thread" "references")
+ id 's score (current-time-string) nil t)))))
+
+(defun gnus-score-string (score-list header now expire &optional trace)
+ ;; Score ARTICLES according to HEADER in SCORE-LIST.
+ ;; Update matching entries to NOW and remove unmatched entries older
+ ;; than EXPIRE.
+
+ ;; Insert the unique article headers in the buffer.
+ (let ((gnus-score-index (nth 1 (assoc header gnus-header-index)))
+ ;; gnus-score-index is used as a free variable.
+ (simplify (and gnus-score-thread-simplify
+ (string= "subject" header)))
+ alike last this art entries alist articles
+ fuzzies arts words kill)
+
+ ;; Sorting the articles costs os O(N*log N) but will allow us to
+ ;; only match with each unique header. Thus the actual matching
+ ;; will be O(M*U) where M is the number of strings to match with,
+ ;; and U is the number of unique headers. It is assumed (but
+ ;; untested) this will be a net win because of the large constant
+ ;; factor involved with string matching.
+ (setq gnus-scores-articles
+ ;; We cannot string-sort the extra headers list. *sigh*
+ (if (= gnus-score-index 9)
+ gnus-scores-articles
+ (sort gnus-scores-articles 'gnus-score-string<))
+ articles gnus-scores-articles)
+
+ (erase-buffer)
+ (while (setq art (pop articles))
+ (setq this (aref (car art) gnus-score-index))
+
+ ;; If we're working with non-standard headers, we are stuck
+ ;; with working on them as a group. What a hassle.
+ ;; Just wait 'til you see what horrors we commit against `match'...
+ (if (= gnus-score-index 9)
+ (setq this (gnus-prin1-to-string this))) ; ick.
+
+ (if simplify
+ (setq this (gnus-map-function gnus-simplify-subject-functions this)))
+ (if (equal last this)
+ ;; O(N*H) cons-cells used here, where H is the number of
+ ;; headers.
+ (push art alike)
+ (when last
+ ;; Insert the line, with a text property on the
+ ;; terminating newline referring to the articles with
+ ;; this line.
+ (insert last ?\n)
+ (put-text-property (1- (point)) (point) 'articles alike))
+ (setq alike (list art)
+ last this)))
+ (when last ; Bwadr, duplicate code.
+ (insert last ?\n)
+ (put-text-property (1- (point)) (point) 'articles alike))
+
+ ;; Go through all the score alists and pick out the entries
+ ;; for this header.
+ (while score-list
+ (setq alist (pop score-list)
+ ;; There's only one instance of this header for
+ ;; each score alist.
+ entries (assoc header alist))
+ (while (cdr entries) ;First entry is the header index.
+ (let* ((kill (cadr entries))
+ (type (or (nth 3 kill) 's))
+ (score (or (nth 1 kill) gnus-score-interactive-default-score))
+ (date (nth 2 kill))
+ (extra (nth 4 kill)) ; non-standard header; string.
+ (found nil)
+ (mt (aref (symbol-name type) 0))
+ (case-fold-search (not (memq mt '(?R ?S ?E ?F))))
+ (dmt (downcase mt))
+ ;; Assume user already simplified regexp and fuzzies
+ (match (if (and simplify (not (memq dmt '(?f ?r))))
+ (gnus-map-function
+ gnus-simplify-subject-functions
+ (nth 0 kill))
+ (nth 0 kill)))
+ (search-func
+ (cond ((= dmt ?r) 're-search-forward)
+ ((or (= dmt ?e) (= dmt ?s) (= dmt ?f)) 'search-forward)
+ ((= dmt ?w) nil)
+ (t (error "Invalid match type: %s" type)))))
+
+ ;; Evil hackery to make match usable in non-standard headers.
+ (when extra
+ (setq match (concat "[ (](" extra " \\. \"\\([^\"]*\\\\\"\\)*[^\"]*"
+ (if (eq search-func 're-search-forward)
+ match
+ (regexp-quote match))
+ "\\([^\"]*\\\\\"\\)*[^\"]*\")[ )]")
+ search-func 're-search-forward)) ; XXX danger?!?
+
+ (cond
+ ;; Fuzzy matches. We save these for later.
+ ((= dmt ?f)
+ (push (cons entries alist) fuzzies)
+ (setq entries (cdr entries)))
+ ;; Word matches. Save these for even later.
+ ((= dmt ?w)
+ (push (cons entries alist) words)
+ (setq entries (cdr entries)))
+ ;; Exact matches.
+ ((= dmt ?e)
+ ;; Do exact matching.
+ (goto-char (point-min))
+ (while (and (not (eobp))
+ (funcall search-func match nil t))
+ ;; Is it really exact?
+ (and (eolp)
+ (= (point-at-bol) (match-beginning 0))
+ ;; Yup.
+ (progn
+ (setq found (setq arts (get-text-property
+ (point) 'articles)))
+ ;; Found a match, update scores.
+ (if trace
+ (while (setq art (pop arts))
+ (setcdr art (+ score (cdr art)))
+ (push
+ (cons
+ (car-safe (rassq alist gnus-score-cache))
+ kill)
+ gnus-score-trace))
+ (while (setq art (pop arts))
+ (setcdr art (+ score (cdr art)))))))
+ (forward-line 1))
+ ;; Update expiry date
+ (if trace
+ (setq entries (cdr entries))
+ (cond
+ ;; Permanent entry.
+ ((null date)
+ (setq entries (cdr entries)))
+ ;; We have a match, so we update the date.
+ ((and found gnus-update-score-entry-dates)
+ (gnus-score-set 'touched '(t) alist)
+ (setcar (nthcdr 2 kill) now)
+ (setq entries (cdr entries)))
+ ;; This entry has expired, so we remove it.
+ ((and expire (< date expire))
+ (gnus-score-set 'touched '(t) alist)
+ (setcdr entries (cddr entries)))
+ ;; No match; go to next entry.
+ (t
+ (setq entries (cdr entries))))))
+ ;; Regexp and substring matching.
+ (t
+ (goto-char (point-min))
+ (when (string= match "")
+ (setq match "\n"))
+ (while (and (not (eobp))
+ (funcall search-func match nil t))
+ (goto-char (match-beginning 0))
+ (end-of-line)
+ (setq found (setq arts (get-text-property (point) 'articles)))
+ ;; Found a match, update scores.
+ (if trace
+ (while (setq art (pop arts))
+ (setcdr art (+ score (cdr art)))
+ (push (cons (car-safe (rassq alist gnus-score-cache)) kill)
+ gnus-score-trace))
+ (while (setq art (pop arts))
+ (setcdr art (+ score (cdr art)))))
+ (forward-line 1))
+ ;; Update expiry date
+ (if trace
+ (setq entries (cdr entries))
+ (cond
+ ;; Permanent entry.
+ ((null date)
+ (setq entries (cdr entries)))
+ ;; We have a match, so we update the date.
+ ((and found gnus-update-score-entry-dates)
+ (gnus-score-set 'touched '(t) alist)
+ (setcar (nthcdr 2 kill) now)
+ (setq entries (cdr entries)))
+ ;; This entry has expired, so we remove it.
+ ((and expire (< date expire))
+ (gnus-score-set 'touched '(t) alist)
+ (setcdr entries (cddr entries)))
+ ;; No match; go to next entry.
+ (t
+ (setq entries (cdr entries))))))))))
+
+ ;; Find fuzzy matches.
+ (when fuzzies
+ ;; Simplify the entire buffer for easy matching.
+ (gnus-simplify-buffer-fuzzy gnus-simplify-subject-fuzzy-regexp)
+ (while (setq kill (cadaar fuzzies))
+ (let* ((match (nth 0 kill))
+ (type (nth 3 kill))
+ (score (or (nth 1 kill) gnus-score-interactive-default-score))
+ (date (nth 2 kill))
+ (mt (aref (symbol-name type) 0))
+ (case-fold-search (not (= mt ?F)))
+ found)
+ (goto-char (point-min))
+ (while (and (not (eobp))
+ (search-forward match nil t))
+ (when (and (= (point-at-bol) (match-beginning 0))
+ (eolp))
+ (setq found (setq arts (get-text-property (point) 'articles)))
+ (if trace
+ (while (setq art (pop arts))
+ (setcdr art (+ score (cdr art)))
+ (push (cons
+ (car-safe (rassq (cdar fuzzies) gnus-score-cache))
+ kill)
+ gnus-score-trace))
+ ;; Found a match, update scores.
+ (while (setq art (pop arts))
+ (setcdr art (+ score (cdr art))))))
+ (forward-line 1))
+ ;; Update expiry date
+ (if (not trace)
+ (cond
+ ;; Permanent.
+ ((null date)
+ ;; Do nothing.
+ )
+ ;; Match, update date.
+ ((and found gnus-update-score-entry-dates)
+ (gnus-score-set 'touched '(t) (cdar fuzzies))
+ (setcar (nthcdr 2 kill) now))
+ ;; Old entry, remove.
+ ((and expire (< date expire))
+ (gnus-score-set 'touched '(t) (cdar fuzzies))
+ (setcdr (caar fuzzies) (cddaar fuzzies)))))
+ (setq fuzzies (cdr fuzzies)))))
+
+ (when words
+ ;; Enter all words into the hashtb.
+ (let ((hashtb (gnus-make-hashtable
+ (* 10 (count-lines (point-min) (point-max))))))
+ (gnus-enter-score-words-into-hashtb hashtb)
+ (while (setq kill (cadaar words))
+ (let* ((score (or (nth 1 kill) gnus-score-interactive-default-score))
+ (date (nth 2 kill))
+ found)
+ (when (setq arts (intern-soft (nth 0 kill) hashtb))
+ (setq arts (symbol-value arts))
+ (setq found t)
+ (if trace
+ (while (setq art (pop arts))
+ (setcdr art (+ score (cdr art)))
+ (push (cons
+ (car-safe (rassq (cdar words) gnus-score-cache))
+ kill)
+ gnus-score-trace))
+ ;; Found a match, update scores.
+ (while (setq art (pop arts))
+ (setcdr art (+ score (cdr art))))))
+ ;; Update expiry date
+ (if (not trace)
+ (cond
+ ;; Permanent.
+ ((null date)
+ ;; Do nothing.
+ )
+ ;; Match, update date.
+ ((and found gnus-update-score-entry-dates)
+ (gnus-score-set 'touched '(t) (cdar words))
+ (setcar (nthcdr 2 kill) now))
+ ;; Old entry, remove.
+ ((and expire (< date expire))
+ (gnus-score-set 'touched '(t) (cdar words))
+ (setcdr (caar words) (cddaar words)))))
+ (setq words (cdr words))))))
+ nil))
+
+(defun gnus-enter-score-words-into-hashtb (hashtb)
+ ;; Find all the words in the buffer and enter them into
+ ;; the hashtable.
+ (let (word val)
+ (goto-char (point-min))
+ (with-syntax-table gnus-adaptive-word-syntax-table
+ (while (re-search-forward "\\b\\w+\\b" nil t)
+ (setq val
+ (gnus-gethash
+ (setq word (downcase (buffer-substring
+ (match-beginning 0) (match-end 0))))
+ hashtb))
+ (gnus-sethash
+ word
+ (append (get-text-property (point-at-eol) 'articles) val)
+ hashtb)))
+ ;; Make all the ignorable words ignored.
+ (let ((ignored (append gnus-ignored-adaptive-words
+ (if gnus-adaptive-word-no-group-words
+ (message-tokenize-header
+ (gnus-group-real-name gnus-newsgroup-name)
+ "."))
+ gnus-default-ignored-adaptive-words)))
+ (while ignored
+ (gnus-sethash (pop ignored) nil hashtb)))))
+
+(defun gnus-score-string< (a1 a2)
+ ;; Compare headers in articles A2 and A2.
+ ;; The header index used is the free variable `gnus-score-index'.
+ (string-lessp (aref (car a1) gnus-score-index)
+ (aref (car a2) gnus-score-index)))
+
+(defun gnus-current-score-file-nondirectory (&optional score-file)
+ (let ((score-file (or score-file gnus-current-score-file)))
+ (if score-file
+ (gnus-short-group-name (file-name-nondirectory score-file))
+ "none")))
+
+(defun gnus-score-adaptive ()
+ "Create adaptive score rules for this newsgroup."
+ (when gnus-newsgroup-adaptive
+ ;; We change the score file to the adaptive score file.
+ (with-current-buffer gnus-summary-buffer
+ (gnus-score-load-file
+ (or gnus-newsgroup-adaptive-score-file
+ (gnus-home-score-file gnus-newsgroup-name t)
+ (gnus-score-file-name
+ gnus-newsgroup-name gnus-adaptive-file-suffix))))
+ ;; Perform ordinary line scoring.
+ (when (or (not (listp gnus-newsgroup-adaptive))
+ (memq 'line gnus-newsgroup-adaptive))
+ (save-excursion
+ (let* ((malist (gnus-copy-sequence gnus-adaptive-score-alist))
+ (alist malist)
+ (date (current-time-string))
+ (data gnus-newsgroup-data)
+ elem headers match func)
+ ;; First we transform the adaptive rule alist into something
+ ;; that's faster to process.
+ (while malist
+ (setq elem (car malist))
+ (when (symbolp (car elem))
+ (setcar elem (symbol-value (car elem))))
+ (setq elem (cdr elem))
+ (while elem
+ (when (fboundp
+ (setq func
+ (intern
+ (concat "mail-header-"
+ (if (eq (caar elem) 'followup)
+ "message-id"
+ (downcase (symbol-name (caar elem))))))))
+ (setcdr (car elem)
+ (cons (if (eq (caar elem) 'followup)
+ "references"
+ (symbol-name (caar elem)))
+ (cdar elem)))
+ (setcar (car elem)
+ `(lambda (h)
+ (,func h))))
+ (setq elem (cdr elem)))
+ (setq malist (cdr malist)))
+ ;; Then we score away.
+ (while data
+ (setq elem (cdr (assq (gnus-data-mark (car data)) alist)))
+ (if (or (not elem)
+ (gnus-data-pseudo-p (car data)))
+ ()
+ (when (setq headers (gnus-data-header (car data)))
+ (while elem
+ (setq match (funcall (caar elem) headers))
+ (gnus-summary-score-entry
+ (nth 1 (car elem)) match
+ (cond
+ ((numberp match)
+ '=)
+ ((equal (nth 1 (car elem)) "date")
+ 'a)
+ (t
+ ;; Whether we use substring or exact matches is
+ ;; controlled here.
+ (if (or (not gnus-score-exact-adapt-limit)
+ (< (length match) gnus-score-exact-adapt-limit))
+ 'e
+ (if (equal (nth 1 (car elem)) "subject")
+ 'f 's))))
+ (nth 2 (car elem)) date nil t)
+ (setq elem (cdr elem)))))
+ (setq data (cdr data))))))
+
+ ;; Perform adaptive word scoring.
+ (when (and (listp gnus-newsgroup-adaptive)
+ (memq 'word gnus-newsgroup-adaptive))
+ (with-temp-buffer
+ (let* ((hashtb (gnus-make-hashtable 1000))
+ (date (date-to-day (current-time-string)))
+ (data gnus-newsgroup-data)
+ word d score val)
+ (with-syntax-table gnus-adaptive-word-syntax-table
+ ;; Go through all articles.
+ (while (setq d (pop data))
+ (when (and
+ (not (gnus-data-pseudo-p d))
+ (setq score
+ (cdr (assq
+ (gnus-data-mark d)
+ gnus-adaptive-word-score-alist))))
+ ;; This article has a mark that should lead to
+ ;; adaptive word rules, so we insert the subject
+ ;; and find all words in that string.
+ (insert (mail-header-subject (gnus-data-header d)))
+ (downcase-region (point-min) (point-max))
+ (goto-char (point-min))
+ (while (re-search-forward "\\b\\w+\\b" nil t)
+ ;; Put the word and score into the hashtb.
+ (setq val (gnus-gethash (setq word (match-string 0))
+ hashtb))
+ (when (or (not gnus-adaptive-word-length-limit)
+ (> (length word)
+ gnus-adaptive-word-length-limit))
+ (setq val (+ score (or val 0)))
+ (if (and gnus-adaptive-word-minimum
+ (< val gnus-adaptive-word-minimum))
+ (setq val gnus-adaptive-word-minimum))
+ (gnus-sethash word val hashtb)))
+ (erase-buffer))))
+ ;; Make all the ignorable words ignored.
+ (let ((ignored (append gnus-ignored-adaptive-words
+ (if gnus-adaptive-word-no-group-words
+ (message-tokenize-header
+ (gnus-group-real-name
+ gnus-newsgroup-name)
+ "."))
+ gnus-default-ignored-adaptive-words)))
+ (while ignored
+ (gnus-sethash (pop ignored) nil hashtb)))
+ ;; Now we have all the words and scores, so we
+ ;; add these rules to the ADAPT file.
+ (set-buffer gnus-summary-buffer)
+ (mapatoms
+ (lambda (word)
+ (when (symbol-value word)
+ (gnus-summary-score-entry
+ "subject" (symbol-name word) 'w (symbol-value word)
+ date nil t)))
+ hashtb))))))
+
+(defun gnus-score-edit-done ()
+ (let ((bufnam (buffer-file-name (current-buffer)))
+ (winconf gnus-prev-winconf))
+ (when winconf
+ (set-window-configuration winconf))
+ (gnus-score-remove-from-cache bufnam)
+ (gnus-score-load-file bufnam)
+ (run-hooks 'gnus-score-edit-done-hook)))
+
+(defun gnus-score-find-trace ()
+ "Find all score rules that applies to the current article."
+ (interactive)
+ (let ((old-scored gnus-newsgroup-scored))
+ (let ((gnus-newsgroup-headers
+ (list (gnus-summary-article-header)))
+ (gnus-newsgroup-scored nil)
+ ;; Must be synced with `gnus-score-edit-file-at-point':
+ (frmt "%S [%s] -> %s\n")
+ trace
+ file)
+ (save-excursion
+ (nnheader-set-temp-buffer "*Score Trace*"))
+ (setq gnus-score-trace nil)
+ (gnus-possibly-score-headers 'trace)
+ (if (not (setq trace gnus-score-trace))
+ (gnus-error
+ 1 "No score rules apply to the current article (default score %d)."
+ gnus-summary-default-score)
+ (set-buffer "*Score Trace*")
+ ;; Use a keymap instead?
+ (local-set-key "q"
+ (lambda ()
+ (interactive)
+ (bury-buffer nil)
+ (gnus-summary-expand-window)))
+ (local-set-key "k"
+ (lambda ()
+ (interactive)
+ (kill-buffer (current-buffer))
+ (gnus-summary-expand-window)))
+ (local-set-key "e" (lambda ()
+ "Run `gnus-score-edit-file-at-point'."
+ (interactive)
+ (gnus-score-edit-file-at-point)))
+ (local-set-key "f" (lambda ()
+ "Run `gnus-score-edit-file-at-point'."
+ (interactive)
+ (gnus-score-edit-file-at-point 'format)))
+ (local-set-key "t" 'toggle-truncate-lines)
+ (setq truncate-lines t)
+ (dolist (entry trace)
+ (setq file (or (car entry)
+ ;; Must be synced with
+ ;; `gnus-score-edit-file-at-point':
+ "(non-file rule)"))
+ (insert
+ (format frmt
+ (cdr entry)
+ ;; Don't use `file-name-sans-extension' to see .SCORE and
+ ;; .ADAPT directly:
+ (file-name-nondirectory file)
+ (abbreviate-file-name file))))
+ (insert
+ (format "\nTotal score: %d"
+ (apply '+ (mapcar
+ (lambda (s)
+ (or (caddr s)
+ gnus-score-interactive-default-score))
+ trace))))
+ (insert
+ "\n\nQuick help:
+
+Type `e' to edit score file corresponding to the score rule on current line,
+`f' to format (pretty print) the score file and edit it,
+`t' toggle to truncate long lines in this buffer,
+`q' to quit, `k' to kill score trace buffer.
+
+The first sexp on each line is the score rule, followed by the file name of
+the score file and its full name, including the directory.")
+ (goto-char (point-min))
+ (gnus-configure-windows 'score-trace)))
+ (set-buffer gnus-summary-buffer)
+ (setq gnus-newsgroup-scored old-scored)))
+
+(defun gnus-score-find-favourite-words ()
+ "List words used in scoring."
+ (interactive)
+ (let ((alists (gnus-score-load-files (gnus-all-score-files)))
+ alist rule rules kill)
+ ;; Go through all the score alists for this group
+ ;; and find all `w' rules.
+ (while (setq alist (pop alists))
+ (while (setq rule (pop alist))
+ (when (and (stringp (car rule))
+ (equal "subject" (downcase (pop rule))))
+ (while (setq kill (pop rule))
+ (when (memq (nth 3 kill) '(w W word Word))
+ (push (cons (or (nth 1 kill)
+ gnus-score-interactive-default-score)
+ (car kill))
+ rules))))))
+ (setq rules (sort rules (lambda (r1 r2)
+ (string-lessp (cdr r1) (cdr r2)))))
+ ;; Add up words that have appeared several times.
+ (let ((r rules))
+ (while (cdr r)
+ (if (equal (cdar r) (cdadr r))
+ (progn
+ (setcar (car r) (+ (caar r) (caadr r)))
+ (setcdr r (cddr r)))
+ (pop r))))
+ ;; Insert the words.
+ (nnheader-set-temp-buffer "*Score Words*")
+ (if (not (setq rules (sort rules (lambda (r1 r2) (> (car r1) (car r2))))))
+ (gnus-error 3 "No word score rules")
+ (while rules
+ (insert (format "%-5d: %s\n" (caar rules) (cdar rules)))
+ (pop rules))
+ (goto-char (point-min))
+ (gnus-configure-windows 'score-words))))
+
+(defun gnus-summary-rescore ()
+ "Redo the entire scoring process in the current summary."
+ (interactive)
+ (gnus-score-save)
+ (setq gnus-score-cache nil)
+ (setq gnus-newsgroup-scored nil)
+ (gnus-possibly-score-headers)
+ (gnus-score-update-all-lines))
+
+(defun gnus-score-flush-cache ()
+ "Flush the cache of score files."
+ (interactive)
+ (gnus-score-save)
+ (setq gnus-score-cache nil
+ gnus-score-alist nil
+ gnus-short-name-score-file-cache nil)
+ (gnus-message 6 "The score cache is now flushed"))
+
+(gnus-add-shutdown 'gnus-score-close 'gnus)
+
+(defvar gnus-score-file-alist-cache nil)
+
+(defun gnus-score-close ()
+ "Clear all internal score variables."
+ (setq gnus-score-cache nil
+ gnus-internal-global-score-files nil
+ gnus-score-file-list nil
+ gnus-score-file-alist-cache nil))
+
+;; Summary score marking commands.
+
+(defun gnus-summary-raise-same-subject-and-select (score)
+ "Raise articles which has the same subject with SCORE and select the next."
+ (interactive "p")
+ (let ((subject (gnus-summary-article-subject)))
+ (gnus-summary-raise-score score)
+ (while (gnus-summary-find-subject subject)
+ (gnus-summary-raise-score score))
+ (gnus-summary-next-article t)))
+
+(defun gnus-summary-raise-same-subject (score)
+ "Raise articles which has the same subject with SCORE."
+ (interactive "p")
+ (let ((subject (gnus-summary-article-subject)))
+ (gnus-summary-raise-score score)
+ (while (gnus-summary-find-subject subject)
+ (gnus-summary-raise-score score))
+ (gnus-summary-next-subject 1 t)))
+
+(defun gnus-score-delta-default (level)
+ (if level (prefix-numeric-value level)
+ gnus-score-interactive-default-score))
+
+(defun gnus-summary-raise-thread (&optional score)
+ "Raise the score of the articles in the current thread with SCORE."
+ (interactive "P")
+ (setq score (gnus-score-delta-default score))
+ (let (e)
+ (save-excursion
+ (let ((articles (gnus-summary-articles-in-thread)))
+ (while articles
+ (gnus-summary-goto-subject (car articles))
+ (gnus-summary-raise-score score)
+ (setq articles (cdr articles))))
+ (setq e (point)))
+ (let ((gnus-summary-check-current t))
+ (unless (zerop (gnus-summary-next-subject 1 t))
+ (goto-char e))))
+ (gnus-summary-recenter)
+ (gnus-summary-position-point)
+ (gnus-set-mode-line 'summary))
+
+(defun gnus-summary-lower-same-subject-and-select (score)
+ "Raise articles which has the same subject with SCORE and select the next."
+ (interactive "p")
+ (gnus-summary-raise-same-subject-and-select (- score)))
+
+(defun gnus-summary-lower-same-subject (score)
+ "Raise articles which has the same subject with SCORE."
+ (interactive "p")
+ (gnus-summary-raise-same-subject (- score)))
+
+(defun gnus-summary-lower-thread (&optional score)
+ "Lower score of articles in the current thread with SCORE."
+ (interactive "P")
+ (gnus-summary-raise-thread (- (gnus-score-delta-default score))))
+
+;;; Finding score files.
+
+(defun gnus-score-score-files (group)
+ "Return a list of all possible score files."
+ ;; Search and set any global score files.
+ (when gnus-global-score-files
+ (unless gnus-internal-global-score-files
+ (gnus-score-search-global-directories gnus-global-score-files)))
+ ;; Fix the kill-file dir variable.
+ (setq gnus-kill-files-directory
+ (file-name-as-directory gnus-kill-files-directory))
+ ;; If we can't read it, there are no score files.
+ (if (not (file-exists-p (expand-file-name gnus-kill-files-directory)))
+ (setq gnus-score-file-list nil)
+ (if (not (gnus-use-long-file-name 'not-score))
+ ;; We do not use long file names, so we have to do some
+ ;; directory traversing.
+ (setq gnus-score-file-list
+ (cons nil
+ (or gnus-short-name-score-file-cache
+ (prog2
+ (gnus-message 6 "Finding all score files...")
+ (setq gnus-short-name-score-file-cache
+ (gnus-score-score-files-1
+ gnus-kill-files-directory))
+ (gnus-message 6 "Finding all score files...done")))))
+ ;; We want long file names.
+ (when (or (not gnus-score-file-list)
+ (not (car gnus-score-file-list))
+ (gnus-file-newer-than gnus-kill-files-directory
+ (car gnus-score-file-list)))
+ (setq gnus-score-file-list
+ (cons (nth 5 (file-attributes gnus-kill-files-directory))
+ (nreverse
+ (directory-files
+ gnus-kill-files-directory t
+ (gnus-score-file-regexp)))))))
+ (cdr gnus-score-file-list)))
+
+(defun gnus-score-score-files-1 (dir)
+ "Return all possible score files under DIR."
+ (let ((files (list (expand-file-name dir)))
+ (regexp (gnus-score-file-regexp))
+ (case-fold-search nil)
+ seen out file)
+ (while (setq file (pop files))
+ (cond
+ ;; Ignore files that start with a dot.
+ ((string-match "^\\." (file-name-nondirectory file))
+ nil)
+ ;; Add subtrees of directory to also be searched.
+ ((and (file-directory-p file)
+ (not (member (file-truename file) seen)))
+ (push (file-truename file) seen)
+ (setq files (nconc (directory-files file t nil t) files)))
+ ;; Add files to the list of score files.
+ ((string-match regexp file)
+ (push file out))))
+ (or out
+ ;; Return a dummy value.
+ (list (expand-file-name "this.file.does.not.exist.SCORE"
+ gnus-kill-files-directory)))))
+
+(defun gnus-score-file-regexp ()
+ "Return a regexp that match all score files."
+ (concat "\\(" (regexp-quote gnus-score-file-suffix )
+ "\\|" (regexp-quote gnus-adaptive-file-suffix) "\\)\\'"))
+
+(defun gnus-score-find-bnews (group)
+ "Return a list of score files for GROUP.
+The score files are those files in the ~/News/ directory which matches
+GROUP using BNews sys file syntax."
+ (let* ((sfiles (append (gnus-score-score-files group)
+ gnus-internal-global-score-files))
+ (kill-dir (file-name-as-directory
+ (expand-file-name gnus-kill-files-directory)))
+ (klen (length kill-dir))
+ (score-regexp (gnus-score-file-regexp))
+ (trans (cdr (assq ?: nnheader-file-name-translation-alist)))
+ (group-trans (nnheader-translate-file-chars group t))
+ ofiles not-match regexp)
+ (with-current-buffer (gnus-get-buffer-create "*gnus score files*")
+ (buffer-disable-undo)
+ ;; Go through all score file names and create regexp with them
+ ;; as the source.
+ (while sfiles
+ (erase-buffer)
+ (insert (car sfiles))
+ (goto-char (point-min))
+ ;; First remove the suffix itself.
+ (when (re-search-forward (concat "." score-regexp) nil t)
+ (replace-match "" t t)
+ (goto-char (point-min))
+ (if (looking-at (regexp-quote kill-dir))
+ ;; If the file name was just "SCORE", `klen' is one character
+ ;; too much.
+ (delete-char (min (1- (point-max)) klen))
+ (goto-char (point-max))
+ (if (re-search-backward gnus-directory-sep-char-regexp nil t)
+ (delete-region (1+ (point)) (point-min))
+ (gnus-message 1 "Can't find directory separator in %s"
+ (car sfiles))))
+ ;; If short file names were used, we have to translate slashes.
+ (goto-char (point-min))
+ (let ((regexp (concat
+ "[/:" (if trans (char-to-string trans)) "]")))
+ (while (re-search-forward regexp nil t)
+ (replace-match "." t t)))
+ ;; Kludge to get rid of "nntp+" problems.
+ (goto-char (point-min))
+ (when (looking-at "nn[a-z]+\\+")
+ (search-forward "+")
+ (forward-char -1)
+ (insert "\\")
+ (forward-char 1))
+ ;; Kludge to deal with "++".
+ (while (search-forward "+" nil t)
+ (replace-match "\\+" t t))
+ ;; Translate "all" to ".*".
+ (goto-char (point-min))
+ (while (search-forward "all" nil t)
+ (replace-match ".*" t t))
+ (goto-char (point-min))
+ ;; Deal with "not."s.
+ (if (looking-at "not.")
+ (progn
+ (setq not-match t)
+ (setq regexp
+ (concat "^" (buffer-substring 5 (point-max)) "$")))
+ (setq regexp (concat "^" (buffer-substring 1 (point-max)) "$"))
+ (setq not-match nil))
+ ;; Finally - if this resulting regexp matches the group name,
+ ;; we add this score file to the list of score files
+ ;; applicable to this group.
+ (when (or (and not-match
+ (ignore-errors
+ (not (string-match regexp group-trans))))
+ (and (not not-match)
+ (ignore-errors (string-match regexp group-trans))))
+ (push (car sfiles) ofiles)))
+ (setq sfiles (cdr sfiles)))
+ (gnus-kill-buffer (current-buffer))
+ ;; Slight kludge here - the last score file returned should be
+ ;; the local score file, whether it exists or not. This is so
+ ;; that any score commands the user enters will go to the right
+ ;; file, and not end up in some global score file.
+ (let ((localscore (gnus-score-file-name group)))
+ (setq ofiles (cons localscore (delete localscore ofiles))))
+ (gnus-sort-score-files (nreverse ofiles)))))
+
+(defun gnus-score-find-single (group)
+ "Return list containing the score file for GROUP."
+ (list (or gnus-newsgroup-adaptive-score-file
+ (gnus-score-file-name group gnus-adaptive-file-suffix))
+ (gnus-score-file-name group)))
+
+(defun gnus-score-find-hierarchical (group)
+ "Return list of score files for GROUP.
+This includes the score file for the group and all its parents."
+ (let* ((prefix (gnus-group-real-prefix group))
+ (all (list nil))
+ (group (gnus-group-real-name group))
+ (start 0))
+ (while (string-match "\\." group (1+ start))
+ (setq start (match-beginning 0))
+ (push (substring group 0 start) all))
+ (push group all)
+ (setq all
+ (nconc
+ (mapcar (lambda (group)
+ (gnus-score-file-name group gnus-adaptive-file-suffix))
+ (setq all (nreverse all)))
+ (mapcar 'gnus-score-file-name all)))
+ (if (equal prefix "")
+ all
+ (mapcar
+ (lambda (file)
+ (nnheader-translate-file-chars
+ (concat (file-name-directory file) prefix
+ (file-name-nondirectory file))))
+ all))))
+
+(defun gnus-score-file-rank (file)
+ "Return a number that says how specific score FILE is.
+Destroys the current buffer."
+ (if (member file gnus-internal-global-score-files)
+ 0
+ (when (string-match
+ (concat "^" (regexp-quote
+ (expand-file-name
+ (file-name-as-directory gnus-kill-files-directory))))
+ file)
+ (setq file (substring file (match-end 0))))
+ (insert file)
+ (goto-char (point-min))
+ (let ((beg (point))
+ elems)
+ (while (re-search-forward "[./]" nil t)
+ (push (buffer-substring beg (1- (point)))
+ elems))
+ (erase-buffer)
+ (setq elems (delete "all" elems))
+ (length elems))))
+
+(defun gnus-sort-score-files (files)
+ "Sort FILES so that the most general files come first."
+ (with-temp-buffer
+ (let ((alist
+ (mapcar
+ (lambda (file)
+ (cons (inline (gnus-score-file-rank file)) file))
+ files)))
+ (mapcar 'cdr (sort alist 'car-less-than-car)))))
+
+(defun gnus-score-find-alist (group)
+ "Return list of score files for GROUP.
+The list is determined from the variable `gnus-score-file-alist'."
+ (let ((alist gnus-score-file-multiple-match-alist)
+ score-files)
+ ;; if this group has been seen before, return the cached entry
+ (if (setq score-files (assoc group gnus-score-file-alist-cache))
+ (cdr score-files) ;ensures caching groups with no matches
+ ;; handle the multiple match alist
+ (while alist
+ (when (string-match (caar alist) group)
+ (setq score-files (append (cdar alist) score-files)))
+ (setq alist (cdr alist)))
+ (setq alist gnus-score-file-single-match-alist)
+ ;; handle the single match alist
+ (while alist
+ (when (string-match (caar alist) group)
+ ;; progn used just in case ("regexp") has no files
+ ;; and score-files is still nil. -sj
+ ;; this can be construed as a "stop searching here" feature :>
+ ;; and used to simplify regexps in the single-alist
+ (setq score-files (append (cdar alist) score-files))
+ (setq alist nil))
+ (setq alist (cdr alist)))
+ ;; cache the score files
+ (push (cons group score-files) gnus-score-file-alist-cache)
+ score-files)))
+
+(defun gnus-all-score-files (&optional group)
+ "Return a list of all score files for the current group."
+ (let ((funcs gnus-score-find-score-files-function)
+ (group (or group gnus-newsgroup-name))
+ score-files)
+ (when group
+ ;; Make sure funcs is a list.
+ (and funcs
+ (not (listp funcs))
+ (setq funcs (list funcs)))
+ (when gnus-score-use-all-scores
+ ;; Get the initial score files for this group.
+ (when funcs
+ (setq score-files (copy-sequence (gnus-score-find-alist group))))
+ ;; Add any home adapt files.
+ (let ((home (gnus-home-score-file group t)))
+ (when home
+ (push home score-files)
+ (setq gnus-newsgroup-adaptive-score-file home)))
+ ;; Check whether there is a `adapt-file' group parameter.
+ (let ((param-file (gnus-group-find-parameter group 'adapt-file)))
+ (when param-file
+ (push param-file score-files)
+ (setq gnus-newsgroup-adaptive-score-file param-file))))
+ ;; Go through all the functions for finding score files (or actual
+ ;; scores) and add them to a list.
+ (while funcs
+ (when (functionp (car funcs))
+ (setq score-files
+ (append score-files
+ (nreverse (funcall (car funcs) group)))))
+ (setq funcs (cdr funcs)))
+ (when gnus-score-use-all-scores
+ ;; Add any home score files.
+ (let ((home (gnus-home-score-file group)))
+ (when home
+ (push home score-files)))
+ ;; Check whether there is a `score-file' group parameter.
+ (let ((param-file (gnus-group-find-parameter group 'score-file)))
+ (when param-file
+ (push param-file score-files))))
+ ;; Expand all files names.
+ (let ((files score-files))
+ (while files
+ (when (stringp (car files))
+ (setcar files (expand-file-name
+ (car files) gnus-kill-files-directory)))
+ (pop files)))
+ (setq score-files (nreverse score-files))
+ ;; Remove any duplicate score files.
+ (while (and score-files
+ (member (car score-files) (cdr score-files)))
+ (pop score-files))
+ (let ((files score-files))
+ (while (cdr files)
+ (if (member (cadr files) (cddr files))
+ (setcdr files (cddr files))
+ (pop files))))
+ ;; Do the scoring if there are any score files for this group.
+ score-files)))
+
+(defun gnus-possibly-score-headers (&optional trace)
+ "Do scoring if scoring is required."
+ (let ((score-files (gnus-all-score-files)))
+ (when score-files
+ (gnus-score-headers score-files trace))))
+
+(defun gnus-score-file-name (newsgroup &optional suffix)
+ "Return the name of a score file for NEWSGROUP."
+ (let ((suffix (or suffix gnus-score-file-suffix)))
+ (nnheader-translate-file-chars
+ (cond
+ ((or (null newsgroup)
+ (string-equal newsgroup ""))
+ ;; The global score file is placed at top of the directory.
+ (expand-file-name suffix gnus-kill-files-directory))
+ ((gnus-use-long-file-name 'not-score)
+ ;; Append ".SCORE" to newsgroup name.
+ (expand-file-name (concat (gnus-newsgroup-savable-name newsgroup)
+ "." suffix)
+ gnus-kill-files-directory))
+ (t
+ ;; Place "SCORE" under the hierarchical directory.
+ (expand-file-name (concat (gnus-newsgroup-directory-form newsgroup)
+ "/" suffix)
+ gnus-kill-files-directory))))))
+
+(defun gnus-score-search-global-directories (files)
+ "Scan all global score directories for score files."
+ ;; Set the variable `gnus-internal-global-score-files' to all
+ ;; available global score files.
+ (interactive (list gnus-global-score-files))
+ (let (out)
+ (while files
+ ;; #### /$ Unix-specific?
+ (if (file-directory-p (car files))
+ (setq out (nconc (directory-files
+ (car files) t
+ (concat (gnus-score-file-regexp) "$"))))
+ (push (car files) out))
+ (setq files (cdr files)))
+ (setq gnus-internal-global-score-files out)))
+
+(defun gnus-score-default-fold-toggle ()
+ "Toggle folding for new score file entries."
+ (interactive)
+ (setq gnus-score-default-fold (not gnus-score-default-fold))
+ (if gnus-score-default-fold
+ (gnus-message 1 "New score file entries will be case insensitive.")
+ (gnus-message 1 "New score file entries will be case sensitive.")))
+
+;;; Home score file.
+
+(defun gnus-home-score-file (group &optional adapt)
+ "Return the home score file for GROUP.
+If ADAPT, return the home adaptive file instead."
+ (let ((list (if adapt gnus-home-adapt-file gnus-home-score-file))
+ elem found)
+ ;; Make sure we have a list.
+ (unless (listp list)
+ (setq list (list list)))
+ ;; Go through the list and look for matches.
+ (while (and (not found)
+ (setq elem (pop list)))
+ (setq found
+ (cond
+ ;; Simple string.
+ ((stringp elem)
+ elem)
+ ;; Function.
+ ((functionp elem)
+ (funcall elem group))
+ ;; Regexp-file cons.
+ ((consp elem)
+ (when (string-match (gnus-globalify-regexp (car elem)) group)
+ (replace-match (cadr elem) t nil group))))))
+ (when found
+ (setq found (nnheader-translate-file-chars found))
+ (if (file-name-absolute-p found)
+ found
+ (nnheader-concat gnus-kill-files-directory found)))))
+
+(defun gnus-hierarchial-home-score-file (group)
+ "Return the score file of the top-level hierarchy of GROUP."
+ (if (string-match "^[^.]+\\." group)
+ (concat (match-string 0 group) gnus-score-file-suffix)
+ ;; Group name without any dots.
+ (concat group (if (gnus-use-long-file-name 'not-score) "." "/")
+ gnus-score-file-suffix)))
+
+(defun gnus-hierarchial-home-adapt-file (group)
+ "Return the adapt file of the top-level hierarchy of GROUP."
+ (if (string-match "^[^.]+\\." group)
+ (concat (match-string 0 group) gnus-adaptive-file-suffix)
+ ;; Group name without any dots.
+ (concat group (if (gnus-use-long-file-name 'not-score) "." "/")
+ gnus-adaptive-file-suffix)))
+
+(defun gnus-current-home-score-file (group)
+ "Return the \"current\" regular score file."
+ (car (gnus-score-find-alist group)))
+
+;;;
+;;; Score decays
+;;;
+
+(defun gnus-decay-score (score)
+ "Decay SCORE according to `gnus-score-decay-constant' and `gnus-score-decay-scale'."
+ (let ((n (- score
+ (* (if (< score 0) -1 1)
+ (min (abs score)
+ (max gnus-score-decay-constant
+ (* (abs score)
+ gnus-score-decay-scale)))))))
+ (if (and (featurep 'xemacs)
+ ;; XEmacs's floor can handle only the floating point
+ ;; number below the half of the maximum integer.
+ (> (abs n) (lsh -1 -2)))
+ (string-to-number
+ (car (split-string (number-to-string n) "\\.")))
+ (floor n))))
+
+(defun gnus-decay-scores (alist day)
+ "Decay non-permanent scores in ALIST."
+ (let ((times (- (time-to-days (current-time)) day))
+ kill entry updated score n)
+ (unless (zerop times) ;Done decays today already?
+ (while (setq entry (pop alist))
+ (when (stringp (car entry))
+ (setq entry (cdr entry))
+ (while (setq kill (pop entry))
+ (when (nth 2 kill)
+ (setq updated t)
+ (setq score (or (nth 1 kill)
+ gnus-score-interactive-default-score)
+ n times)
+ (while (natnump (decf n))
+ (setq score (funcall gnus-decay-score-function score)))
+ (setcdr kill (cons score
+ (cdr (cdr kill)))))))))
+ ;; Return whether this score file needs to be saved. By Je-haysuss!
+ updated))
+
+(provide 'gnus-score)
+
+;;; gnus-score.el ends here
projects / packages / blobdiff