Merge remote branch 'origin/master' into tzz-auth-source-rewrite

[gnus] / lisp / nnmail.el

diff --git a/lisp/nnmail.el b/lisp/nnmail.el
index e17465a..b2336e1 100644 (file)
--- a/lisp/nnmail.el
+++ b/lisp/nnmail.el
@@ -1,7 +1,6 @@
 ;;; nnmail.el --- mail support functions for the Gnus mail backends
 
 ;;; nnmail.el --- mail support functions for the Gnus mail backends
 

-;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
-;;   2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+;; Copyright (C) 1995-2011  Free Software Foundation, Inc.

 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news, mail
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;; Keywords: news, mail


@@ -25,7 +24,7 @@
 
 ;;; Code:
 
 
 ;;; Code:
 

-;; For Emacs < 22.2.
+;; For Emacs <22.2 and XEmacs.

 (eval-and-compile
   (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
 
 (eval-and-compile
   (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
 


@@ -104,7 +103,9 @@ mail belongs in that group.
 
 The last element should always have \"\" as the regexp.
 
 
 The last element should always have \"\" as the regexp.
 

-This variable can also have a function as its value."
+This variable can also have a function as its value, and it can
+also have a fancy split method as its value.  See
+`nnmail-split-fancy' for an explanation of that syntax."

   :group 'nnmail-split
   :type '(choice (repeat :tag "Alist" (group (string :tag "Name")
                                             (choice regexp function)))
   :group 'nnmail-split
   :type '(choice (repeat :tag "Alist" (group (string :tag "Name")
                                             (choice regexp function)))


@@ -225,7 +226,7 @@ Example:
 
 In this case, articles containing the string \"boss\" in the To or the
 From header will be expired to the group \"nnfolder:Work\";
 
 In this case, articles containing the string \"boss\" in the To or the
 From header will be expired to the group \"nnfolder:Work\";

-articles containing the sting \"IMPORTANT\" in the Subject header will
+articles containing the string \"IMPORTANT\" in the Subject header will

 be expired to the group \"nnfolder:IMPORTANT.YYYY.MMM\"; and
 everything else will be expired to \"nnfolder:Archive-YYYY\"."
   :version "22.1"
 be expired to the group \"nnfolder:IMPORTANT.YYYY.MMM\"; and
 everything else will be expired to \"nnfolder:Archive-YYYY\"."
   :version "22.1"


@@ -963,7 +964,7 @@ If SOURCE is a directory spec, try to return the group name component."
        (goto-char end)))
     count))
 
        (goto-char end)))
     count))
 

-(defun nnmail-process-mmdf-mail-format (func artnum-func)
+(defun nnmail-process-mmdf-mail-format (func artnum-func &optional junk-func)

   (let ((delim "^\^A\^A\^A\^A$")
        (case-fold-search t)
        (count 0)
   (let ((delim "^\^A\^A\^A\^A$")
        (case-fold-search t)
        (count 0)


@@ -1011,7 +1012,7 @@ If SOURCE is a directory spec, try to return the group name component."
            (narrow-to-region start (point))
            (goto-char (point-min))
            (incf count)
            (narrow-to-region start (point))
            (goto-char (point-min))
            (incf count)

-           (nnmail-check-duplication message-id func artnum-func)
+           (nnmail-check-duplication message-id func artnum-func junk-func)

            (setq end (point-max))))
        (goto-char end)
        (forward-line 2)))
            (setq end (point-max))))
        (goto-char end)
        (forward-line 2)))


@@ -1056,7 +1057,7 @@ If SOURCE is a directory spec, try to return the group name component."
   "Non-nil means group names are not encoded.")
 
 (defun nnmail-split-incoming (incoming func &optional exit-func
   "Non-nil means group names are not encoded.")
 
 (defun nnmail-split-incoming (incoming func &optional exit-func

-                                      group artnum-func)
+                                      group artnum-func junk-func)

   "Go through the entire INCOMING file and pick out each individual mail.
 FUNC will be called with the buffer narrowed to each mail.
 INCOMING can also be a buffer object.  In that case, the mail
   "Go through the entire INCOMING file and pick out each individual mail.
 FUNC will be called with the buffer narrowed to each mail.
 INCOMING can also be a buffer object.  In that case, the mail


@@ -1087,7 +1088,8 @@ will be copied over from that buffer."
                       (looking-at "BABYL OPTIONS:"))
                   (nnmail-process-babyl-mail-format func artnum-func))
                  ((looking-at "\^A\^A\^A\^A")
                       (looking-at "BABYL OPTIONS:"))
                   (nnmail-process-babyl-mail-format func artnum-func))
                  ((looking-at "\^A\^A\^A\^A")

-                  (nnmail-process-mmdf-mail-format func artnum-func))
+                  (nnmail-process-mmdf-mail-format
+                   func artnum-func junk-func))

                  ((looking-at "Return-Path:")
                   (nnmail-process-maildir-mail-format func artnum-func))
                  (t
                  ((looking-at "Return-Path:")
                   (nnmail-process-maildir-mail-format func artnum-func))
                  (t


@@ -1096,7 +1098,7 @@ will be copied over from that buffer."
          (funcall exit-func))
        (kill-buffer (current-buffer))))))
 
          (funcall exit-func))
        (kill-buffer (current-buffer))))))
 

-(defun nnmail-article-group (func &optional trace)
+(defun nnmail-article-group (func &optional trace junk-func)

   "Look at the headers and return an alist of groups that match.
 FUNC will be called with the group name to determine the article number."
   (let ((methods (or nnmail-split-methods '(("bogus" ""))))
   "Look at the headers and return an alist of groups that match.
 FUNC will be called with the group name to determine the article number."
   (let ((methods (or nnmail-split-methods '(("bogus" ""))))


@@ -1144,28 +1146,42 @@ FUNC will be called with the group name to determine the article number."
        (run-hooks 'nnmail-split-hook)
        (when (setq nnmail-split-tracing trace)
          (setq nnmail-split-trace nil))
        (run-hooks 'nnmail-split-hook)
        (when (setq nnmail-split-tracing trace)
          (setq nnmail-split-trace nil))

-       (if (and (symbolp nnmail-split-methods)
-                (fboundp nnmail-split-methods))
-           (let ((split
-                  (condition-case error-info
-                      ;; `nnmail-split-methods' is a function, so we
-                      ;; just call this function here and use the
-                      ;; result.
-                      (or (funcall nnmail-split-methods)
-                          (and (not nnmail-inhibit-default-split-group)
-                               '("bogus")))
-                    (error
-                     (nnheader-message
-                      5 "Error in `nnmail-split-methods'; using `bogus' mail group: %S" error-info)
-                     (sit-for 1)
-                     '("bogus")))))
+       (if (or (and (symbolp nnmail-split-methods)
+                    (fboundp nnmail-split-methods))
+               (not (consp (car-safe nnmail-split-methods)))
+               (and (listp nnmail-split-methods)
+                    ;; Not a regular split method, so it has to be a
+                    ;; fancy one.
+                    (not (let ((top-element (car-safe nnmail-split-methods)))
+                           (and (= 2 (length top-element))
+                                (stringp (nth 0 top-element))
+                                (stringp (nth 1 top-element)))))))
+           (let* ((method-function
+                   (if (and (symbolp nnmail-split-methods)
+                            (fboundp nnmail-split-methods))
+                       nnmail-split-methods
+                     'nnmail-split-fancy))
+                  (split
+                   (condition-case error-info
+                       ;; `nnmail-split-methods' is a function, so we
+                       ;; just call this function here and use the
+                       ;; result.
+                       (or (funcall method-function)
+                           (and (not nnmail-inhibit-default-split-group)
+                                '("bogus")))
+                     (error
+                      (nnheader-message
+                       5 "Error in `nnmail-split-methods'; using `bogus' mail group: %S" error-info)
+                      (sit-for 1)
+                      '("bogus")))))

              (setq split (mm-delete-duplicates split))
              ;; The article may be "cross-posted" to `junk'.  What
              ;; to do?  Just remove the `junk' spec.  Don't really
              ;; see anything else to do...
              (setq split (mm-delete-duplicates split))
              ;; The article may be "cross-posted" to `junk'.  What
              ;; to do?  Just remove the `junk' spec.  Don't really
              ;; see anything else to do...

-             (let (elem)
-               (while (setq elem (car (memq 'junk split)))
-                 (setq split (delq elem split))))
+             (when (and (memq 'junk split)
+                        junk-func)
+               (funcall junk-func 'junk))
+             (setq split (delq 'junk split))

              (when split
                (setq group-art
                      (mapcar
              (when split
                (setq group-art
                      (mapcar


@@ -1331,7 +1347,7 @@ Eudora has a broken References line, but an OK In-Reply-To."
 ;;; Utility functions
 
 (declare-function gnus-activate-group "gnus-start"
 ;;; Utility functions
 
 (declare-function gnus-activate-group "gnus-start"

-                  (group &optional scan dont-check method))
+                  (group &optional scan dont-check method dont-sub-check))

 
 (defun nnmail-do-request-post (accept-func &optional server)
   "Utility function to directly post a message to an nnmail-derived group.
 
 (defun nnmail-do-request-post (accept-func &optional server)
   "Utility function to directly post a message to an nnmail-derived group.


@@ -1609,10 +1625,6 @@ See the documentation for the variable `nnmail-split-fancy' for details."
       (setq nnmail-cache-buffer nil)
       (gnus-kill-buffer (current-buffer)))))
 
       (setq nnmail-cache-buffer nil)
       (gnus-kill-buffer (current-buffer)))))
 

-;; Compiler directives.
-(defvar group)
-(defvar group-art-list)
-(defvar group-art)

 (defun nnmail-cache-insert (id grp &optional subject sender)
   (when (stringp id)
     ;; this will handle cases like `B r' where the group is nil
 (defun nnmail-cache-insert (id grp &optional subject sender)
   (when (stringp id)
     ;; this will handle cases like `B r' where the group is nil


@@ -1714,7 +1726,8 @@ See the Info node `(gnus)Fancy Mail Splitting' for more details."
       (message-narrow-to-head)
       (message-fetch-field header))))
 
       (message-narrow-to-head)
       (message-fetch-field header))))
 

-(defun nnmail-check-duplication (message-id func artnum-func)
+(defun nnmail-check-duplication (message-id func artnum-func
+                                           &optional junk-func)

   (run-hooks 'nnmail-prepare-incoming-message-hook)
   ;; If this is a duplicate message, then we do not save it.
   (let* ((duplication (nnmail-cache-id-exists-p message-id))
   (run-hooks 'nnmail-prepare-incoming-message-hook)
   ;; If this is a duplicate message, then we do not save it.
   (let* ((duplication (nnmail-cache-id-exists-p message-id))


@@ -1739,7 +1752,8 @@ See the Info node `(gnus)Fancy Mail Splitting' for more details."
     (cond
      ((not duplication)
       (funcall func (setq group-art
     (cond
      ((not duplication)
       (funcall func (setq group-art

-                         (nreverse (nnmail-article-group artnum-func))))
+                         (nreverse (nnmail-article-group
+                                    artnum-func nil junk-func))))

       (nnmail-cache-insert message-id (caar group-art)))
      ((eq action 'delete)
       (setq group-art nil))
       (nnmail-cache-insert message-id (caar group-art)))
      ((eq action 'delete)
       (setq group-art nil))


@@ -1884,7 +1898,7 @@ If TIME is nil, then return the cutoff time for oldness instead."
             (setq days (days-to-time days))
             ;; Compare the time with the current time.
             (if (null time)
             (setq days (days-to-time days))
             ;; Compare the time with the current time.
             (if (null time)

-                (time-minus (current-time) days)
+                (time-subtract (current-time) days)

               (ignore-errors (time-less-p days (time-since time)))))))))
 
 (declare-function gnus-group-mark-article-read "gnus-group" (group article))
               (ignore-errors (time-less-p days (time-since time)))))))))
 
 (declare-function gnus-group-mark-article-read "gnus-group" (group article))


@@ -1901,7 +1915,8 @@ If TIME is nil, then return the cutoff time for oldness instead."
       (when (or (gnus-request-group target)
                (gnus-request-create-group target))
        (let ((group-art (gnus-request-accept-article target nil nil t)))
       (when (or (gnus-request-group target)
                (gnus-request-create-group target))
        (let ((group-art (gnus-request-accept-article target nil nil t)))

-         (when (consp group-art)
+         (when (and (consp group-art)
+                    (cdr group-art))

            (gnus-group-mark-article-read target (cdr group-art))))))))
 
 (defun nnmail-fancy-expiry-target (group)
            (gnus-group-mark-article-read target (cdr group-art))))))))
 
 (defun nnmail-fancy-expiry-target (group)