(require 'gnus-sum)
(require 'nnmail)
+(defgroup gnus-registry nil
+ "The Gnus registry."
+ :group 'gnus)
+
(defvar gnus-registry-hashtb nil
"*The article registry by Message ID.")
-(setq gnus-registry-hashtb (make-hash-table
- :size 4096
- :test 'equal)) ; we test message ID strings equality
-;; sample data-header
-;; (defvar tzz-header '(49 "Re[2]: good news" "\"Jonathan Pryor\" <offerlm@aol.com>" "Mon, 17 Feb 2003 10:41:46 +-0800" "<88288020@dytqq>" "" 896 18 "lockgroove.bwh.harvard.edu spam.asian:49" nil))
+(defvar gnus-registry-headers-hashtb nil
+ "*The article header registry by Message ID.")
-;; (maphash (lambda (key value) (message "key: %s value: %s" key value)) gnus-registry-hashtb)
-;; (clrhash gnus-registry-hashtb)
+(defcustom gnus-registry-unfollowed-groups '("delayed" "drafts" "queue")
+ "List of groups that gnus-registry-split-fancy-with-parent won't follow.
+The group names are matched, they don't have to be fully qualified."
+ :group 'gnus-registry
+ :type '(repeat string))
;; Function(s) missing in Emacs 20
(when (memq nil (mapcar 'fboundp '(puthash)))
(defalias 'puthash 'cl-puthash)))
(defun gnus-registry-translate-to-alist ()
- (setq gnus-registry-alist (hashtable-to-alist gnus-registry-hashtb)))
+ (setq gnus-registry-alist (hashtable-to-alist gnus-registry-hashtb))
+ (setq gnus-registry-headers-alist (hashtable-to-alist
+ gnus-registry-headers-hashtb)))
(defun gnus-registry-translate-from-alist ()
- (setq gnus-registry-hashtb (alist-to-hashtable gnus-registry-alist)))
+ (setq gnus-registry-hashtb (alist-to-hashtable gnus-registry-alist))
+ (setq gnus-registry-headers-hashtb (alist-to-hashtable
+ gnus-registry-headers-alist)))
(defun alist-to-hashtable (alist)
"Build a hashtable from the values in ALIST."
(maphash
(lambda (key value)
(setq list (cons (cons key value) list)))
- hash)))
+ hash)
+ list))
(defun gnus-register-action (action data-header from &optional to method)
(let* ((id (mail-header-id data-header))
- (hash-entry (gethash id gnus-registry-hashtb)))
+ (from (gnus-group-guess-full-name from))
+ (to (if to (gnus-group-guess-full-name to) nil))
+ (to-name (if to to "the Bit Bucket")))
(gnus-message 5 "Registry: article %s %s from %s to %s"
- id
- (if method "respooling" "going")
- (gnus-group-guess-full-name from)
- (if to (gnus-group-guess-full-name to) "the Bit Bucket"))
- (unless hash-entry
- (setq hash-entry (puthash id (list data-header) gnus-registry-hashtb)))
- (puthash id (cons (list action from to method)
- (gethash id gnus-registry-hashtb)) gnus-registry-hashtb)))
+ id
+ (if method "respooling" "going")
+ from
+ to)
+ (unless (gethash id gnus-registry-headers-hashtb)
+ (puthash id (list data-header) gnus-registry-headers-hashtb))
+ (puthash id (cons (list action from to)
+ (gethash id gnus-registry-hashtb))
+ gnus-registry-hashtb)))
(defun gnus-register-spool-action (id group)
- (gnus-message 5 "Registry: article %s spooled to %s"
- id
- (gnus-group-prefixed-name
- group
- gnus-internal-registry-spool-current-method
- t))
- (puthash id (cons (list 'spool nil group nil)
- (gethash id gnus-registry-hashtb)) gnus-registry-hashtb))
-
-(add-hook 'gnus-summary-article-move-hook 'gnus-register-action) ; also does copy, respool, and crosspost
+ ;; do not process the draft IDs
+; (unless (string-match "totally-fudged-out-message-id" id)
+ (let ((group (gnus-group-guess-full-name group)))
+ (when (string-match "\r$" id)
+ (setq id (substring id 0 -1)))
+ (gnus-message 5 "Registry: article %s spooled to %s"
+ id
+ group)
+ (puthash id (cons (list 'spool nil group)
+ (gethash id gnus-registry-hashtb))
+ gnus-registry-hashtb)))
+;)
+
+;; Function for nn{mail|imap}-split-fancy: look up all references in
+;; the cache and if a match is found, return that group.
+(defun gnus-registry-split-fancy-with-parent ()
+ "Split this message into the same group as its parent. The parent
+is obtained from the registry. This function can be used as an entry
+in `nnmail-split-fancy' or `nnimap-split-fancy', for example like
+this: (: gnus-registry-split-fancy-with-parent)
+
+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.
+
+See the Info node `(gnus)Fancy Mail Splitting' for more details."
+ (let ((refstr (or (message-fetch-field "references")
+ (message-fetch-field "in-reply-to")))
+ (references nil)
+ (res nil))
+ (when refstr
+ (setq references (nreverse (gnus-split-references refstr)))
+ (mapcar (lambda (x)
+ (setq res (or (gnus-registry-fetch-group x) 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)))
+ references)
+ res)))
+
+(defun gnus-registry-grep-in-list (word list)
+ (memq nil
+ (mapcar 'not
+ (mapcar
+ (lambda (x)
+ (string-match x word))
+ list))))
+
+
+(defun gnus-registry-fetch-group (id)
+ "Get the group of a message, based on the message ID.
+Returns the first place where the trail finds a spool action."
+ (let ((trail (gethash id gnus-registry-hashtb)))
+ (dolist (crumb trail)
+ (let ((action (nth 0 crumb))
+ (from (nth 1 crumb))
+ (to (nth 2 crumb)))
+ (when (eq action 'spool)
+ (return to))))))
+
+(defun gnus-registry-clear ()
+ "Clear the Gnus registry."
+ (interactive)
+ (setq gnus-registry-alist nil
+ gnus-registry-headers-alist nil)
+ (gnus-registry-translate-from-alist))
+
+; also does copy, respool, and crosspost
+(add-hook 'gnus-summary-article-move-hook 'gnus-register-action)
(add-hook 'gnus-summary-article-delete-hook 'gnus-register-action)
(add-hook 'gnus-summary-article-expire-hook 'gnus-register-action)
(add-hook 'nnmail-spool-hook 'gnus-register-spool-action)
projects / elisp / gnus.git- / blobdiff