Changes committed gnus/lisp (ChangeLog gnus-registry.el)
"Ted Zlatanov" <[email protected]>
| Newsgroups | gmane.emacs.gnus.commits |
|---|---|
| Message-ID | <[email protected]> |
Modified: ChangeLog gnus-registry.el (gnus-registry-follow-group-p) (gnus-registry-post-process-groups): Add functions to aid registry splitting and improve logging. Clarify behavior in function documentation. (gnus-registry-split-fancy-with-parent): Use them. Index: ChangeLog diff -u gnus/lisp/ChangeLog:7.1762 gnus/lisp/ChangeLog:7.1763 --- ChangeLog:7.1762 Thu Feb 28 00:44:30 2008 +++ ChangeLog Thu Feb 28 15:32:38 2008 @@ -1,3 +1,11 @@ +2008-02-28 Teodor Zlatanov <[email protected]> + + * gnus-registry.el (gnus-registry-follow-group-p) + (gnus-registry-post-process-groups): Add functions to aid registry + splitting and improve logging. Clarify behavior in function + documentation. + (gnus-registry-split-fancy-with-parent): Use them. + 2008-02-27 David Engster <[email protected]> * nnmairix.el (nnmairix-request-group-with-article-number-correction): Index: gnus-registry.el diff -u gnus/lisp/gnus-registry.el:7.47 gnus/lisp/gnus-registry.el:7.48 --- gnus-registry.el:7.47 Tue Feb 26 19:16:38 2008 +++ gnus-registry.el Thu Feb 28 15:32:38 2008 @@ -425,119 +425,150 @@ For a message to be split, it looks for the parent message in the References or In-Reply-To header and then looks in the registry to see which group that message was put in. This group is -returned, unless it matches one of the entries in -gnus-registry-unfollowed-groups or -nnmail-split-fancy-with-parent-ignore-groups. +returned, unless `gnus-registry-follow-group-p' return nil for +that group. See the Info node `(gnus)Fancy Mail Splitting' for more details." - (let* ((refstr (or (message-fetch-field "references") "")) ; guarantee string - (reply-to (message-fetch-field "in-reply-to")) ; grab reply-to + (let* ((refstr (or (message-fetch-field "references") "")) ; guaranteed + (reply-to (message-fetch-field "in-reply-to")) ; may be nil ;; now, if reply-to is valid, append it to the References (refstr (if reply-to (concat refstr " " reply-to) refstr)) - (nnmail-split-fancy-with-parent-ignore-groups - (if (listp nnmail-split-fancy-with-parent-ignore-groups) - nnmail-split-fancy-with-parent-ignore-groups - (list nnmail-split-fancy-with-parent-ignore-groups))) - res) - ;; the references string must be valid and parse to valid references - (if (and refstr (gnus-extract-references refstr)) - (dolist (reference (nreverse (gnus-extract-references refstr))) - (setq res (or (gnus-registry-fetch-group reference) res)) - (when (or (gnus-registry-grep-in-list - res - gnus-registry-unfollowed-groups) - (gnus-registry-grep-in-list - res - nnmail-split-fancy-with-parent-ignore-groups)) - (setq res nil))) - - ;; else: there were no references, now try the extra tracking - (let ((sender (gnus-string-remove-all-properties(message-fetch-field "from"))) - (subject (gnus-string-remove-all-properties - (gnus-registry-simplify-subject - (message-fetch-field "subject")))) - (single-match t)) - (when (and single-match - (gnus-registry-track-sender-p) - sender) - (maphash - (lambda (key value) - (let ((this-sender (cdr - (gnus-registry-fetch-extra key 'sender)))) - (when (and single-match - this-sender - (equal sender this-sender)) - ;; too many matches, bail - (unless (equal res (gnus-registry-fetch-group key)) - (setq single-match nil)) - (setq res (gnus-registry-fetch-group key)) - (when (and sender res) - (gnus-message - ;; raise level of messaging if gnus-registry-track-extra - (if gnus-registry-track-extra 7 9) - "%s (extra tracking) traced sender %s to group %s" - "gnus-registry-split-fancy-with-parent" - sender - res))))) - gnus-registry-hashtb)) - (when (and single-match - (gnus-registry-track-subject-p) - subject - (< gnus-registry-minimum-subject-length (length subject))) - (maphash - (lambda (key value) - (let ((this-subject (cdr - (gnus-registry-fetch-extra key 'subject)))) - (when (and single-match - this-subject - (equal subject this-subject)) - ;; too many matches, bail - (unless (equal res (gnus-registry-fetch-group key)) - (setq single-match nil)) - (setq res (gnus-registry-fetch-group key)) - (when (and subject res) - (gnus-message - ;; raise level of messaging if gnus-registry-track-extra - (if gnus-registry-track-extra 7 9) - "%s (extra tracking) traced subject %s to group %s" - "gnus-registry-split-fancy-with-parent" - subject - res))))) - gnus-registry-hashtb)) - (unless single-match - (gnus-message - 3 - "gnus-registry-split-fancy-with-parent: too many extra matches for %s" - refstr) - (setq res nil)))) - (when (and refstr res) - (gnus-message - 5 - "gnus-registry-split-fancy-with-parent traced %s to group %s" - refstr res)) - - (when (and res gnus-registry-use-long-group-names) - (let ((m1 (gnus-find-method-for-group res)) - (m2 (or gnus-command-method - (gnus-find-method-for-group gnus-newsgroup-name))) - (short-res (gnus-group-short-name res))) - (if (gnus-methods-equal-p m1 m2) - (progn + ;; these may not be used, but the code is cleaner having them up here + (sender (gnus-string-remove-all-properties + (message-fetch-field "from"))) + (subject (gnus-string-remove-all-properties + (gnus-registry-simplify-subject + (message-fetch-field "subject")))) + + (nnmail-split-fancy-with-parent-ignore-groups + (if (listp nnmail-split-fancy-with-parent-ignore-groups) + nnmail-split-fancy-with-parent-ignore-groups + (list nnmail-split-fancy-with-parent-ignore-groups))) + (log-agent "gnus-registry-split-fancy-with-parent") + found) + + ;; this is a big if-else statement. it uses + ;; gnus-registry-post-process-groups to filter the results after + ;; every step. + (cond + ;; the references string must be valid and parse to valid references + ((and refstr (gnus-extract-references refstr)) + (dolist (reference (nreverse (gnus-extract-references refstr))) + (gnus-message + 9 + "%s is looking for matches for reference %s from [%s]" + log-agent reference refstr) + (dolist (group (gnus-registry-fetch-groups reference)) + (when (and group (gnus-registry-follow-group-p group)) (gnus-message - 9 - "gnus-registry-split-fancy-with-parent stripped group %s to %s" - res - short-res) - (setq res short-res)) - ;; else... + 7 + "%s traced the reference %s from [%s] to group %s" + log-agent reference refstr group) + (push group found)))) + ;; filter the found groups and return them + (setq found (gnus-registry-post-process-groups "references" refstr found))) + + ;; else: there were no matches, now try the extra tracking by sender + ((and (gnus-registry-track-sender-p) + sender) + (maphash + (lambda (key value) + (let ((this-sender (cdr + (gnus-registry-fetch-extra key 'sender))) + matches) + (when (and this-sender + (equal sender this-sender)) + (setq found (append (gnus-registry-fetch-groups key) found)) + (push key matches) + (gnus-message + ;; raise level of messaging if gnus-registry-track-extra + (if gnus-registry-track-extra 7 9) + "%s (extra tracking) traced sender %s to groups %s (keys %s)" + log-agent sender found matches)))) + gnus-registry-hashtb) + ;; filter the found groups and return them + (setq found (gnus-registry-post-process-groups "sender" sender found))) + + ;; else: there were no matches, now try the extra tracking by subject + ((and (gnus-registry-track-subject-p) + subject + (< gnus-registry-minimum-subject-length (length subject))) + (maphash + (lambda (key value) + (let ((this-subject (cdr + (gnus-registry-fetch-extra key 'subject))) + matches) + (when (and this-subject + (equal subject this-subject)) + (setq found (append (gnus-registry-fetch-groups key) found)) + (push key matches) + (gnus-message + ;; raise level of messaging if gnus-registry-track-extra + (if gnus-registry-track-extra 7 9) + "%s (extra tracking) traced subject %s to groups %s (keys %s)" + log-agent subject found matches)))) + gnus-registry-hashtb) + ;; filter the found groups and return them + (setq found (gnus-registry-post-process-groups "subject" subject found)))))) + +(defun gnus-registry-post-process-groups (mode key groups) + "Modifies GROUPS obtained by searching by MODE for KEY to determine which ones to follow. + +MODE can be 'subject' or 'sender' for example. The KEY is the +value by which MODE was searched. + +Transforms each group name to the equivalent short name. + +Checks if the current Gnus method (from `gnus-command-method' or +from `gnus-newsgroup-name') is the same as the group's method. +This is not possible if gnus-registry-use-long-group-names is +false. Foreign methods are not supported so they are rejected. + +Reduces the list to a single group, or complains if that's not +possible." + (let ((log-agent "gnus-registry-post-process-group") + out) + (if gnus-registry-use-long-group-names + (dolist (group groups) + (let ((m1 (gnus-find-method-for-group group)) + (m2 (or gnus-command-method + (gnus-find-method-for-group gnus-newsgroup-name))) + (short-name (gnus-group-short-name group))) + (if (gnus-methods-equal-p m1 m2) + (progn + ;; this is REALLY just for debugging + (gnus-message + 10 + "%s stripped group %s to %s" + log-agent group short-name) + (unless (member short-name out) + (push short-name out))) + ;; else... + (gnus-message + 7 + "%s ignored foreign group %s" + log-agent group)))) + (setq out groups)) + (when (cdr-safe out) (gnus-message - 7 - "gnus-registry-split-fancy-with-parent ignored foreign group %s" - res) - (setq res nil)))) - res)) + 5 + "%s: too many extra matches (%s) for %s %s. Returning none." + log-agent out mode key) + (setq out nil)) + out)) + +(defun gnus-registry-follow-group-p (group) + "Determines if a group name should be followed. +Consults `gnus-registry-unfollowed-groups' and +`nnmail-split-fancy-with-parent-ignore-groups'." + (not (or (gnus-registry-grep-in-list + group + gnus-registry-unfollowed-groups) + (gnus-registry-grep-in-list + group + nnmail-split-fancy-with-parent-ignore-groups)))) (defun gnus-registry-wash-for-keywords (&optional force) (interactive)