(require 'timezone)
(require 'message)
(require 'custom)
+(require 'gnus-util)
(eval-and-compile
(autoload 'gnus-error "gnus-util")
(defvar nnmail-internal-password nil)
+(defvar nnmail-split-tracing nil)
+(defvar nnmail-split-trace nil)
+
\f
(defconst nnmail-version "nnmail 1.0"
(set-file-modes
tofile nnmail-default-file-modes))))
;; Probably a real error.
+ ;; We nix out the password in case the error
+ ;; was because of a wrong password being given.
+ (setq nnmail-internal-password nil)
(subst-char-in-region (point-min) (point-max) ?\n ?\ )
(goto-char (point-max))
(skip-chars-backward " \t")
group-assoc)))
group-assoc))
-(defvar nnmail-active-file-coding-system
- 'iso-8859-1
+(defvar nnmail-active-file-coding-system 'binary
"*Coding system for active file.")
(defun nnmail-save-active (group-assoc file-name)
(funcall exit-func))
(kill-buffer (current-buffer)))))
-(defun nnmail-article-group (func)
+(defun nnmail-article-group (func &optional trace)
"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 nnmail-split-methods)
;; Allow washing.
(goto-char (point-min))
(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
(setq group-art
(list (cons (car method)
(funcall func (car method)))))))))
+ ;; Produce a trace if non-empty.
+ (when (and trace nnmail-split-trace)
+ (let ((trace (nreverse nnmail-split-trace))
+ (restore (current-buffer)))
+ (nnheader-set-temp-buffer "*Split Trace*")
+ (gnus-add-current-to-buffer-list)
+ (while trace
+ (insert (car trace) "\n")
+ (setq trace (cdr trace)))
+ (goto-char (point-min))
+ (gnus-configure-windows 'split-trace)
+ (set-buffer restore)))
;; See whether the split methods returned `junk'.
(if (equal group-art '(junk))
nil
(defun nnmail-split-it (split)
;; Return a list of groups matching SPLIT.
- (cond
- ;; nil split
- ((null split)
- nil)
-
- ;; A group name. Do the \& and \N subs into the string.
- ((stringp split)
- (list (nnmail-expand-newtext split)))
-
- ;; Junk the message.
- ((eq split 'junk)
- (list 'junk))
-
- ;; Builtin & operation.
- ((eq (car split) '&)
- (apply 'nconc (mapcar 'nnmail-split-it (cdr split))))
-
- ;; Builtin | operation.
- ((eq (car split) '|)
- (let (done)
- (while (and (not done) (cdr split))
- (setq split (cdr split)
- done (nnmail-split-it (car split))))
- done))
-
- ;; Builtin : operation.
- ((eq (car split) ':)
- (nnmail-split-it (save-excursion (eval (cdr split)))))
-
- ;; Check the cache for the regexp for this split.
- ;; FIX FIX FIX could avoid calling assq twice here
- ((assq split nnmail-split-cache)
- (goto-char (point-max))
- ;; FIX FIX FIX problem with re-search-backward is that if you have
- ;; a split: (from "foo-\\(bar\\|baz\\)@gnus.org "mail.foo.\\1")
- ;; and someone mails a message with 'To: foo-bar@gnus.org' and
- ;; 'CC: foo-baz@gnus.org', we'll pick 'mail.foo.baz' as the group
- ;; if the cc line is a later header, even though the other choice
- ;; is probably better. Also, this routine won't do a crosspost
- ;; when there are two different matches.
- ;; I guess you could just make this more determined, and it could
- ;; look for still more matches prior to this one, and recurse
- ;; on each of the multiple matches hit. Of course, then you'd
- ;; want to make sure that nnmail-article-group or nnmail-split-fancy
- ;; removed duplicates, since there might be more of those.
- ;; I guess we could also remove duplicates in the & split case, since
- ;; that's the only thing that can introduce them.
- (when (re-search-backward (cdr (assq split nnmail-split-cache)) nil t)
- ;; Someone might want to do a \N sub on this match, so get the
- ;; correct match positions.
- (goto-char (match-end 0))
- (let ((value (nth 1 split)))
- (re-search-backward (if (symbolp value)
- (cdr (assq value nnmail-split-abbrev-alist))
- value)
- (match-end 1)))
- (nnmail-split-it (nth 2 split))))
-
- ;; Not in cache, compute a regexp for the field/value pair.
- (t
- (let* ((field (nth 0 split))
- (value (nth 1 split))
- (regexp (concat "^\\(\\("
- (if (symbolp field)
- (cdr (assq field nnmail-split-abbrev-alist))
- field)
- "\\):.*\\)\\<\\("
- (if (symbolp value)
- (cdr (assq value nnmail-split-abbrev-alist))
- value)
- "\\)\\>")))
- (push (cons split regexp) nnmail-split-cache)
- ;; Now that it's in the cache, just call nnmail-split-it again
- ;; on the same split, which will find it immediately in the cache.
- (nnmail-split-it split)))))
+ (let (cached-pair)
+ (cond
+ ;; nil split
+ ((null split)
+ nil)
+
+ ;; A group name. Do the \& and \N subs into the string.
+ ((stringp split)
+ (when nnmail-split-tracing
+ (push (format "\"%s\"" split) nnmail-split-trace))
+ (list (nnmail-expand-newtext split)))
+
+ ;; Junk the message.
+ ((eq split 'junk)
+ (when nnmail-split-tracing
+ (push "junk" nnmail-split-trace))
+ (list 'junk))
+
+ ;; Builtin & operation.
+ ((eq (car split) '&)
+ (apply 'nconc (mapcar 'nnmail-split-it (cdr split))))
+
+ ;; Builtin | operation.
+ ((eq (car split) '|)
+ (let (done)
+ (while (and (not done) (cdr split))
+ (setq split (cdr split)
+ done (nnmail-split-it (car split))))
+ done))
+
+ ;; Builtin : operation.
+ ((eq (car split) ':)
+ (nnmail-split-it (save-excursion (eval (cdr split)))))
+
+ ;; Check the cache for the regexp for this split.
+ ((setq cached-pair (assq split nnmail-split-cache))
+ (goto-char (point-max))
+ ;; FIX FIX FIX problem with re-search-backward is that if you have
+ ;; a split: (from "foo-\\(bar\\|baz\\)@gnus.org "mail.foo.\\1")
+ ;; and someone mails a message with 'To: foo-bar@gnus.org' and
+ ;; 'CC: foo-baz@gnus.org', we'll pick 'mail.foo.baz' as the group
+ ;; if the cc line is a later header, even though the other choice
+ ;; is probably better. Also, this routine won't do a crosspost
+ ;; when there are two different matches.
+ ;; I guess you could just make this more determined, and it could
+ ;; look for still more matches prior to this one, and recurse
+ ;; on each of the multiple matches hit. Of course, then you'd
+ ;; want to make sure that nnmail-article-group or nnmail-split-fancy
+ ;; removed duplicates, since there might be more of those.
+ ;; I guess we could also remove duplicates in the & split case, since
+ ;; that's the only thing that can introduce them.
+ (when (re-search-backward (cdr cached-pair) nil t)
+ (when nnmail-split-tracing
+ (push (cdr cached-pair) nnmail-split-trace))
+ ;; Someone might want to do a \N sub on this match, so get the
+ ;; correct match positions.
+ (goto-char (match-end 0))
+ (let ((value (nth 1 split)))
+ (re-search-backward (if (symbolp value)
+ (cdr (assq value nnmail-split-abbrev-alist))
+ value)
+ (match-end 1)))
+ (nnmail-split-it (nth 2 split))))
+
+ ;; Not in cache, compute a regexp for the field/value pair.
+ (t
+ (let* ((field (nth 0 split))
+ (value (nth 1 split))
+ (regexp (concat "^\\(\\("
+ (if (symbolp field)
+ (cdr (assq field nnmail-split-abbrev-alist))
+ field)
+ "\\):.*\\)\\<\\("
+ (if (symbolp value)
+ (cdr (assq value nnmail-split-abbrev-alist))
+ value)
+ "\\)\\>")))
+ (push (cons split regexp) nnmail-split-cache)
+ ;; Now that it's in the cache, just call nnmail-split-it again
+ ;; on the same split, which will find it immediately in the cache.
+ (nnmail-split-it split))))))
(defun nnmail-expand-newtext (newtext)
(let ((len (length newtext))
(unless (= beg pos)
(push (substring newtext beg pos) expanded))
(when (< pos len)
- ;; we hit a \, expand it.
- (setq did-expand t)
- (setq pos (1+ pos))
- (setq c (aref newtext pos))
+ ;; We hit a \; expand it.
+ (setq did-expand t
+ pos (1+ pos)
+ c (aref newtext pos))
(if (not (or (= c ?\&)
(and (>= c ?1)
(<= c ?9))))
- ;; \ followed by some character we don't expand
+ ;; \ followed by some character we don't expand.
(push (char-to-string c) expanded)
;; \& or \N
(if (= c ?\&)
(defun nnmail-purge-split-history (group)
"Remove all instances of GROUP from `nnmail-split-history'."
- (let ((history nnmail-split-history)
- prev)
+ (let ((history nnmail-split-history))
(while history
(setcar history (gnus-delete-if (lambda (e) (string= (car e) group))
(car history)))
projects / gnus / blobdiff