- (let ((new-thread-ids (gnus-get-new-thread-ids gnus-scores-articles))
- alike articles art arts this last this-id)
-
- (setq gnus-scores-articles (sort gnus-scores-articles 'gnus-score-string<)
- articles gnus-scores-articles)
-
- ;;more or less the same as in gnus-score-string
- (erase-buffer)
- (while articles
- (setq art (car articles)
- this (aref (car art) gnus-score-index)
- articles (cdr articles))
- ;;completely skip if this is empty (not a child, so not an orphan)
- (when (not (string= 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))
-
- ;; PLM: now delete those lines that contain an entry from new-thread-ids
- (while new-thread-ids
- (setq this-id (car new-thread-ids)
- new-thread-ids (cdr new-thread-ids))
- (goto-char (point-min))
- (while (search-forward this-id nil t)
- ;; found a match. remove this line
- (beginning-of-line)
- (kill-line 1)))
-
- ;; now for each line: update its articles with score by moving to
- ;; every end-of-line in the buffer and read the articles property
- (goto-char (point-min))
- (while (eq 0 (progn
- (end-of-line)
- (setq arts (get-text-property (point) 'articles))
- (while arts
- (setq art (car arts)
- arts (cdr arts))
- (setcdr art (+ score (cdr art))))
- (forward-line))))))
-
+ "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."
+ (let ((threads (gnus-make-threads)))
+ ;; 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.
+ (while threads
+ (let* ((thread (car threads))
+ (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.
+ (if (and id (not (string= id "")))
+ (gnus-score-lower-thread thread score)))
+ (setq threads (cdr threads)))))