(gnus-registry-max-track-groups): New variable to

prevent tracking too many groups.
(gnus-registry-split-fancy-with-parent, gnus-registry-fetch-groups):
Use it.

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 1e7c40a..a52f2c7 100644 (file)
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,10 @@
+2008-08-21  Teodor Zlatanov  <tzz@lifelogs.com>
+
+       * gnus-registry.el (gnus-registry-max-track-groups): New variable to
+       prevent tracking too many groups.
+       (gnus-registry-split-fancy-with-parent, gnus-registry-fetch-groups):
+       Use it.
+
 2008-08-11  Ralf Angeli  <angeli@caeruleus.net>
 
        * gnus-art.el (gnus-article-next-page): Respect `scroll-margin' when

diff --git a/lisp/gnus-registry.el b/lisp/gnus-registry.el
index 18163fe..d0fc48b 100644 (file)
--- a/lisp/gnus-registry.el
+++ b/lisp/gnus-registry.el
@@ -149,6 +149,12 @@ and no extra data."
   :group 'gnus-registry
   :type 'boolean)
 
+(defcustom gnus-registry-max-track-groups 20
+  "The maximum number of non-unique group matches to check for a message ID."
+  :group 'gnus-registry
+  :type '(radio (const :format "Unlimited " nil)
+               (integer :format "Maximum non-unique matches: %v")))
+
 (defcustom gnus-registry-track-extra nil
   "Whether the registry should track extra data about a message.
 The Subject and Sender (From:) headers are currently tracked this
@@ -508,7 +514,9 @@ See the Info node `(gnus)Fancy Mail Splitting' for more details."
         9
         "%s is looking for matches for reference %s from [%s]"
         log-agent reference refstr)
-       (dolist (group (gnus-registry-fetch-groups reference))
+       (dolist (group (gnus-registry-fetch-groups 
+                       reference 
+                       gnus-registry-max-track-groups))
          (when (and group (gnus-registry-follow-group-p group))
            (gnus-message
             7
@@ -532,7 +540,9 @@ See the Info node `(gnus)Fancy Mail Splitting' for more details."
               matches)
           (when (and this-sender
                      (equal sender this-sender))
-            (let ((groups (gnus-registry-fetch-groups key)))
+            (let ((groups (gnus-registry-fetch-groups 
+                           key
+                           gnus-registry-max-track-groups)))
               (dolist (group groups)
                 (push group found-full)
                 (setq found (append (list group) (delete group found)))))
@@ -559,7 +569,9 @@ See the Info node `(gnus)Fancy Mail Splitting' for more details."
               matches)
           (when (and this-subject
                      (equal subject this-subject))
-            (let ((groups (gnus-registry-fetch-groups key)))
+            (let ((groups (gnus-registry-fetch-groups 
+                           key
+                           gnus-registry-max-track-groups)))
               (dolist (group groups)
                 (push group found-full)
                 (setq found (append (list group) (delete group found)))))
@@ -1004,8 +1016,8 @@ Returns the first place where the trail finds a group name."
                       crumb
                     (gnus-group-short-name crumb))))))))
 
-(defun gnus-registry-fetch-groups (id)
-  "Get the groups of a message, based on the message ID."
+(defun gnus-registry-fetch-groups (id &optional max)
+  "Get the groups (up to MAX, if given) of a message, based on the message ID."
   (let ((trail (gethash id gnus-registry-hashtb))
        groups)
     (dolist (crumb trail)
@@ -1017,7 +1029,9 @@ Returns the first place where the trail finds a group name."
          (if (or (not (stringp crumb)) gnus-registry-use-long-group-names)
              crumb
            (gnus-group-short-name crumb))
-        groups))))
+        groups))
+       (when (and max (> (length groups) max))
+         (return))))
     ;; return the list of groups
     groups))