;;; nnmbox.el --- mail mbox access for Gnus
-;; Copyright (C) 1995,96 Free Software Foundation, Inc.
-;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
-;; Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
+;; Copyright (C) 1995-2012 Free Software Foundation, Inc.
+
+;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
+;; Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
;; Keywords: news, mail
;; This file is part of GNU Emacs.
-;; GNU Emacs is free software; you can redistribute it and/or modify
+;; GNU Emacs is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
-;; the Free Software Foundation; either version 2, or (at your option)
-;; any later version.
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; For an overview of what the interface functions do, please see the
-;; Gnus sources.
+;; Gnus sources.
;;; Code:
(require 'nnheader)
-(require 'rmail)
+(require 'message)
(require 'nnmail)
+(require 'nnoo)
+(require 'gnus-range)
(eval-when-compile (require 'cl))
-(defvar nnmbox-mbox-file (expand-file-name "~/mbox")
+(nnoo-declare nnmbox)
+
+(defvoo nnmbox-mbox-file (expand-file-name "~/mbox")
"The name of the mail box file in the user's home directory.")
-(defvar nnmbox-active-file (expand-file-name "~/.mbox-active")
+(defvoo nnmbox-active-file (expand-file-name "~/.mbox-active")
"The name of the active file for the mail box.")
-(defvar nnmbox-get-new-mail t
+(defvoo nnmbox-get-new-mail t
"If non-nil, nnmbox will check the incoming mail file and split the mail.")
-(defvar nnmbox-prepare-save-mail-hook nil
+(defvoo nnmbox-prepare-save-mail-hook nil
"Hook run narrowed to an article before saving.")
\f
(defconst nnmbox-version "nnmbox 1.0"
"nnmbox version.")
-(defvar nnmbox-current-group nil
+(defvoo nnmbox-current-group nil
"Current nnmbox news group directory.")
-(defconst nnmbox-mbox-buffer nil)
+(defvar nnmbox-mbox-buffer nil)
-(defvar nnmbox-status-string "")
+(defvoo nnmbox-status-string "")
-(defvar nnmbox-group-alist nil)
-(defvar nnmbox-active-timestamp nil)
-
-\f
+(defvoo nnmbox-group-alist nil)
+(defvoo nnmbox-active-timestamp nil)
-(defvar nnmbox-current-server nil)
-(defvar nnmbox-server-alist nil)
-(defvar nnmbox-server-variables
- `((nnmbox-mbox-file ,nnmbox-mbox-file)
- (nnmbox-active-file ,nnmbox-active-file)
- (nnmbox-get-new-mail ,nnmbox-get-new-mail)
- (nnmbox-current-group nil)
- (nnmbox-status-string "")
- (nnmbox-group-alist nil)))
+(defvoo nnmbox-file-coding-system mm-binary-coding-system)
+(defvoo nnmbox-file-coding-system-for-write nil)
+(defvoo nnmbox-active-file-coding-system mm-binary-coding-system)
+(defvoo nnmbox-active-file-coding-system-for-write nil)
+(defvar nnmbox-group-building-active-articles nil)
+(defvar nnmbox-group-active-articles nil)
\f
;;; Interface functions
-(defun nnmbox-retrieve-headers (sequence &optional newsgroup server fetch-old)
- (save-excursion
- (set-buffer nntp-server-buffer)
+(nnoo-define-basics nnmbox)
+
+(deffoo nnmbox-retrieve-headers (sequence &optional newsgroup server fetch-old)
+ (with-current-buffer nntp-server-buffer
(erase-buffer)
(let ((number (length sequence))
(count 0)
- article art-string start stop)
- (nnmbox-possibly-change-newsgroup newsgroup)
+ article start stop)
+ (nnmbox-possibly-change-newsgroup newsgroup server)
(while sequence
(setq article (car sequence))
- (setq art-string (nnmbox-article-string article))
(set-buffer nnmbox-mbox-buffer)
- (if (or (search-forward art-string nil t)
- (progn (goto-char (point-min))
- (search-forward art-string nil t)))
- (progn
- (setq start
- (save-excursion
- (re-search-backward
- (concat "^" rmail-unix-mail-delimiter) nil t)
- (point)))
- (search-forward "\n\n" nil t)
- (setq stop (1- (point)))
- (set-buffer nntp-server-buffer)
- (insert (format "221 %d Article retrieved.\n" article))
- (insert-buffer-substring nnmbox-mbox-buffer start stop)
- (goto-char (point-max))
- (insert ".\n")))
+ (when (nnmbox-find-article article)
+ (setq start
+ (save-excursion
+ (re-search-backward
+ (concat "^" message-unix-mail-delimiter) nil t)
+ (point)))
+ (search-forward "\n\n" nil t)
+ (setq stop (1- (point)))
+ (set-buffer nntp-server-buffer)
+ (insert (format "221 %d Article retrieved.\n" article))
+ (insert-buffer-substring nnmbox-mbox-buffer start stop)
+ (goto-char (point-max))
+ (insert ".\n"))
(setq sequence (cdr sequence))
(setq count (1+ count))
(and (numberp nnmail-large-newsgroup)
(nnheader-fold-continuation-lines)
'headers)))
-(defun nnmbox-open-server (server &optional defs)
- (nnheader-change-server 'nnmbox server defs)
- (cond
+(deffoo nnmbox-open-server (server &optional defs)
+ (nnoo-change-server 'nnmbox server defs)
+ (nnmbox-create-mbox)
+ (cond
((not (file-exists-p nnmbox-mbox-file))
(nnmbox-close-server)
(nnheader-report 'nnmbox "No such file: %s" nnmbox-mbox-file))
nnmbox-mbox-file)
t)))
-(defun nnmbox-close-server (&optional server)
+(deffoo nnmbox-close-server (&optional server)
(when (and nnmbox-mbox-buffer
(buffer-name nnmbox-mbox-buffer))
(kill-buffer nnmbox-mbox-buffer))
- (setq nnmbox-current-server nil)
+ (nnoo-close-server 'nnmbox server)
t)
-(defun nnmbox-server-opened (&optional server)
- (and (equal server nnmbox-current-server)
+(deffoo nnmbox-server-opened (&optional server)
+ (and (nnoo-current-server-p 'nnmbox server)
nnmbox-mbox-buffer
(buffer-name nnmbox-mbox-buffer)
nntp-server-buffer
(buffer-name nntp-server-buffer)))
-(defun nnmbox-status-message (&optional server)
- nnmbox-status-string)
-
-(defun nnmbox-request-article (article &optional newsgroup server buffer)
- (nnmbox-possibly-change-newsgroup newsgroup)
- (save-excursion
- (set-buffer nnmbox-mbox-buffer)
- (goto-char (point-min))
- (if (search-forward (nnmbox-article-string article) nil t)
- (let (start stop)
- (re-search-backward (concat "^" rmail-unix-mail-delimiter) nil t)
- (setq start (point))
- (forward-line 1)
- (or (and (re-search-forward
- (concat "^" rmail-unix-mail-delimiter) nil t)
- (forward-line -1))
- (goto-char (point-max)))
- (setq stop (point))
- (let ((nntp-server-buffer (or buffer nntp-server-buffer)))
- (set-buffer nntp-server-buffer)
- (erase-buffer)
- (insert-buffer-substring nnmbox-mbox-buffer start stop)
- (goto-char (point-min))
- (while (looking-at "From ")
- (delete-char 5)
- (insert "X-From-Line: ")
- (forward-line 1))
- (if (numberp article)
- (cons nnmbox-current-group article)
- (nnmbox-article-group-number)))))))
-
-(defun nnmbox-request-group (group &optional server dont-check)
+(deffoo nnmbox-request-article (article &optional newsgroup server buffer)
+ (nnmbox-possibly-change-newsgroup newsgroup server)
+ (with-current-buffer nnmbox-mbox-buffer
+ (when (nnmbox-find-article article)
+ (let (start stop)
+ (re-search-backward (concat "^" message-unix-mail-delimiter) nil t)
+ (setq start (point))
+ (forward-line 1)
+ (setq stop (if (re-search-forward (concat "^"
+ message-unix-mail-delimiter)
+ nil 'move)
+ (match-beginning 0)
+ (point)))
+ (let ((nntp-server-buffer (or buffer nntp-server-buffer)))
+ (set-buffer nntp-server-buffer)
+ (erase-buffer)
+ (insert-buffer-substring nnmbox-mbox-buffer start stop)
+ (goto-char (point-min))
+ (while (looking-at "From ")
+ (delete-char 5)
+ (insert "X-From-Line: ")
+ (forward-line 1))
+ (if (numberp article)
+ (cons nnmbox-current-group article)
+ (nnmbox-article-group-number nil)))))))
+
+(deffoo nnmbox-request-group (group &optional server dont-check info)
+ (nnmbox-possibly-change-newsgroup nil server)
(let ((active (cadr (assoc group nnmbox-group-alist))))
- (cond
- ((null active)
- (nnheader-report 'nnmbox "No such group: %s" group))
- ((null (nnmbox-possibly-change-newsgroup group))
+ (cond
+ ((or (null active)
+ (null (nnmbox-possibly-change-newsgroup group server)))
(nnheader-report 'nnmbox "No such group: %s" group))
(dont-check
(nnheader-report 'nnmbox "Selected group %s" group)
(nnheader-insert ""))
(t
(nnheader-report 'nnmbox "Selected group %s" group)
- (nnheader-insert "211 %d %d %d %s\n"
+ (nnheader-insert "211 %d %d %d %s\n"
(1+ (- (cdr active) (car active)))
- (car active) (cdr active) group)
- t))))
-
-(defun nnmbox-request-scan (&optional group server)
+ (car active) (cdr active) group)))))
+
+(defun nnmbox-save-buffer ()
+ (let ((coding-system-for-write
+ (or nnmbox-file-coding-system-for-write
+ nnmbox-file-coding-system)))
+ (save-buffer)))
+
+(defun nnmbox-save-active (group-alist active-file)
+ (let ((nnmail-active-file-coding-system
+ (or nnmbox-active-file-coding-system-for-write
+ nnmbox-active-file-coding-system)))
+ (nnmail-save-active group-alist active-file)))
+
+(deffoo nnmbox-request-scan (&optional group server)
+ (nnmbox-possibly-change-newsgroup group server)
(nnmbox-read-mbox)
- (nnmail-get-new-mail
- 'nnmbox
+ (nnmail-get-new-mail
+ 'nnmbox
(lambda ()
- (save-excursion
- (set-buffer nnmbox-mbox-buffer)
- (save-buffer)))
- nnmbox-mbox-file group
+ (with-current-buffer nnmbox-mbox-buffer
+ (nnmbox-save-buffer)))
+ (file-name-directory nnmbox-mbox-file)
+ group
(lambda ()
(save-excursion
(let ((in-buf (current-buffer)))
(set-buffer nnmbox-mbox-buffer)
(goto-char (point-max))
- (insert-buffer-substring in-buf))))))
+ (insert-buffer-substring in-buf)))
+ (nnmbox-save-active nnmbox-group-alist nnmbox-active-file))))
-(defun nnmbox-close-group (group &optional server)
+(deffoo nnmbox-close-group (group &optional server)
t)
-(defun nnmbox-request-list (&optional server)
+(deffoo nnmbox-request-create-group (group &optional server args)
+ (nnmail-activate 'nnmbox)
+ (unless (assoc group nnmbox-group-alist)
+ (push (list group (cons 1 0))
+ nnmbox-group-alist)
+ (nnmbox-save-active nnmbox-group-alist nnmbox-active-file))
+ t)
+
+(deffoo nnmbox-request-list (&optional server)
(save-excursion
- (or (nnmail-find-file nnmbox-active-file)
- (progn
- (setq nnmbox-group-alist (nnmail-get-active))
- (nnmail-save-active nnmbox-group-alist nnmbox-active-file)
- (nnmail-find-file nnmbox-active-file)))))
+ (let ((nnmail-file-coding-system
+ nnmbox-active-file-coding-system))
+ (nnmail-find-file nnmbox-active-file))
+ (setq nnmbox-group-alist (nnmail-get-active))
+ t))
-(defun nnmbox-request-newgroups (date &optional server)
+(deffoo nnmbox-request-newgroups (date &optional server)
(nnmbox-request-list server))
-(defun nnmbox-request-list-newsgroups (&optional server)
+(deffoo nnmbox-request-list-newsgroups (&optional server)
(nnheader-report 'nnmbox "LIST NEWSGROUPS is not implemented."))
-(defun nnmbox-request-expire-articles
- (articles newsgroup &optional server force)
- (nnmbox-possibly-change-newsgroup newsgroup)
+(deffoo nnmbox-request-expire-articles
+ (articles newsgroup &optional server force)
+ (nnmbox-possibly-change-newsgroup newsgroup server)
(let* ((is-old t)
rest)
(nnmail-activate 'nnmbox)
- (save-excursion
- (set-buffer nnmbox-mbox-buffer)
+ (with-current-buffer nnmbox-mbox-buffer
(while (and articles is-old)
- (goto-char (point-min))
- (if (search-forward (nnmbox-article-string (car articles)) nil t)
- (if (setq is-old
- (nnmail-expired-article-p
- newsgroup
- (buffer-substring
- (point) (progn (end-of-line) (point))) force))
- (progn
- (nnheader-message 5 "Deleting article %d in %s..."
- (car articles) newsgroup)
- (nnmbox-delete-mail))
- (setq rest (cons (car articles) rest))))
+ (when (nnmbox-find-article (car articles))
+ (if (setq is-old
+ (nnmail-expired-article-p
+ newsgroup
+ (buffer-substring
+ (point) (progn (end-of-line) (point))) force))
+ (progn
+ (unless (eq nnmail-expiry-target 'delete)
+ (with-temp-buffer
+ (nnmbox-request-article (car articles)
+ newsgroup server
+ (current-buffer))
+ (let ((nnml-current-directory nil))
+ (nnmail-expiry-target-group
+ nnmail-expiry-target newsgroup)))
+ (nnmbox-possibly-change-newsgroup newsgroup server))
+ (nnheader-message 5 "Deleting article %d in %s..."
+ (car articles) newsgroup)
+ (nnmbox-delete-mail))
+ (push (car articles) rest)))
(setq articles (cdr articles)))
- (save-buffer)
+ (nnmbox-save-buffer)
;; Find the lowest active article in this group.
(let ((active (nth 1 (assoc newsgroup nnmbox-group-alist))))
- (goto-char (point-min))
- (while (and (not (search-forward
- (nnmbox-article-string (car active)) nil t))
+ (while (and (not (nnmbox-find-article (car active)))
(<= (car active) (cdr active)))
- (setcar active (1+ (car active)))
- (goto-char (point-min))))
- (nnmail-save-active nnmbox-group-alist nnmbox-active-file)
+ (setcar active (1+ (car active)))))
+ (nnmbox-save-active nnmbox-group-alist nnmbox-active-file)
(nconc rest articles))))
-(defun nnmbox-request-move-article
- (article group server accept-form &optional last)
- (nnmbox-possibly-change-newsgroup group)
+(deffoo nnmbox-request-move-article
+ (article group server accept-form &optional last move-is-internal)
(let ((buf (get-buffer-create " *nnmbox move*"))
result)
- (and
+ (and
(nnmbox-request-article article group server)
- (save-excursion
- (set-buffer buf)
- (buffer-disable-undo (current-buffer))
+ (with-current-buffer buf
(erase-buffer)
(insert-buffer-substring nntp-server-buffer)
(goto-char (point-min))
- (while (re-search-forward
- "^X-Gnus-Newsgroup:"
+ (while (re-search-forward
+ "^X-Gnus-Newsgroup:"
(save-excursion (search-forward "\n\n" nil t) (point)) t)
- (delete-region (progn (beginning-of-line) (point))
- (progn (forward-line 1) (point))))
+ (gnus-delete-line))
(setq result (eval accept-form))
(kill-buffer buf)
result)
(save-excursion
+ (nnmbox-possibly-change-newsgroup group server)
(set-buffer nnmbox-mbox-buffer)
- (goto-char (point-min))
- (if (search-forward (nnmbox-article-string article) nil t)
- (nnmbox-delete-mail))
- (and last (save-buffer))))
+ (when (nnmbox-find-article article)
+ (nnmbox-delete-mail))
+ (and last (nnmbox-save-buffer))))
result))
-(defun nnmbox-request-accept-article (group &optional last)
+(deffoo nnmbox-request-accept-article (group &optional server last)
+ (nnmbox-possibly-change-newsgroup group server)
+ (nnmail-check-syntax)
(let ((buf (current-buffer))
- result)
- (goto-char (point-min))
- (if (looking-at "X-From-Line: ")
- (replace-match "From ")
- (insert "From nobody " (current-time-string) "\n"))
- (and
+ result cont)
+ (and
(nnmail-activate 'nnmbox)
- (progn
- (set-buffer buf)
+ (with-temp-buffer
+ (insert-buffer-substring buf)
(goto-char (point-min))
- (search-forward "\n\n" nil t)
- (forward-line -1)
+ (cond (;; The From line may have been quoted by movemail.
+ (looking-at (concat ">" message-unix-mail-delimiter))
+ (delete-char 1)
+ (forward-line 1))
+ ((looking-at "X-From-Line: ")
+ (replace-match "From ")
+ (forward-line 1))
+ (t
+ (insert "From nobody " (current-time-string) "\n")))
+ (narrow-to-region (point)
+ (if (search-forward "\n\n" nil 'move)
+ (1- (point))
+ (point)))
(while (re-search-backward "^X-Gnus-Newsgroup: " nil t)
(delete-region (point) (progn (forward-line 1) (point))))
- (setq result (nnmbox-save-mail (and (stringp group) group))))
- (save-excursion
- (set-buffer nnmbox-mbox-buffer)
- (insert-buffer-substring buf)
- (and last (save-buffer))
- result)
- (nnmail-save-active nnmbox-group-alist nnmbox-active-file))
- (car result)))
+ (when nnmail-cache-accepted-message-ids
+ (nnmail-cache-insert (message-fetch-field "message-id")
+ group
+ (message-fetch-field "subject")
+ (message-fetch-field "from")))
+ (widen)
+ (setq result (if (stringp group)
+ (list (cons group (nnmbox-active-number group)))
+ (nnmail-article-group 'nnmbox-active-number)))
+ (prog1
+ (if (and (null result)
+ (yes-or-no-p "Moved to `junk' group; delete article? "))
+ (setq result 'junk)
+ (setq result (car (nnmbox-save-mail result))))
+ (setq cont (buffer-string))))
+ (with-current-buffer nnmbox-mbox-buffer
+ (goto-char (point-max))
+ (insert cont)
+ (when last
+ (when nnmail-cache-accepted-message-ids
+ (nnmail-cache-close))
+ (nnmbox-save-active nnmbox-group-alist nnmbox-active-file)
+ (nnmbox-save-buffer))))
+ result))
-(defun nnmbox-request-replace-article (article group buffer)
+(deffoo nnmbox-request-replace-article (article group buffer)
(nnmbox-possibly-change-newsgroup group)
- (save-excursion
- (set-buffer nnmbox-mbox-buffer)
- (goto-char (point-min))
- (if (not (search-forward (nnmbox-article-string article) nil t))
+ (with-current-buffer nnmbox-mbox-buffer
+ (if (not (nnmbox-find-article article))
nil
(nnmbox-delete-mail t t)
- (insert-buffer-substring buffer)
- (save-buffer)
+ (insert
+ (with-temp-buffer
+ (insert-buffer-substring buffer)
+ (goto-char (point-min))
+ (when (looking-at "X-From-Line:")
+ (delete-region (point) (progn (forward-line 1) (point))))
+ (while (re-search-forward (concat "^" message-unix-mail-delimiter)
+ nil t)
+ (goto-char (match-beginning 0))
+ (insert ">"))
+ (goto-char (point-max))
+ (unless (bolp)
+ (insert "\n"))
+ (buffer-string)))
+ (nnmbox-save-buffer)
t)))
-(defun nnmbox-request-delete-group (group &optional force server)
- (nnmbox-possibly-change-newsgroup group)
+(deffoo nnmbox-request-delete-group (group &optional force server)
+ (nnmbox-possibly-change-newsgroup group server)
;; Delete all articles in GROUP.
(if (not force)
() ; Don't delete the articles.
- (save-excursion
- (set-buffer nnmbox-mbox-buffer)
+ (with-current-buffer nnmbox-mbox-buffer
(goto-char (point-min))
;; Delete all articles in this group.
(let ((ident (concat "\nX-Gnus-Newsgroup: " nnmbox-current-group ":"))
(while (search-forward ident nil t)
(setq found t)
(nnmbox-delete-mail))
- (and found (save-buffer)))))
+ (when found
+ (nnmbox-save-buffer)))))
;; Remove the group from all structures.
- (setq nnmbox-group-alist
+ (setq nnmbox-group-alist
(delq (assoc group nnmbox-group-alist) nnmbox-group-alist)
nnmbox-current-group nil)
;; Save the active file.
- (nnmail-save-active nnmbox-group-alist nnmbox-active-file)
+ (nnmbox-save-active nnmbox-group-alist nnmbox-active-file)
t)
-(defun nnmbox-request-rename-group (group new-name &optional server)
- (nnmbox-possibly-change-newsgroup group)
- (save-excursion
- (set-buffer nnmbox-mbox-buffer)
+(deffoo nnmbox-request-rename-group (group new-name &optional server)
+ (nnmbox-possibly-change-newsgroup group server)
+ (with-current-buffer nnmbox-mbox-buffer
(goto-char (point-min))
(let ((ident (concat "\nX-Gnus-Newsgroup: " nnmbox-current-group ":"))
(new-ident (concat "\nX-Gnus-Newsgroup: " new-name ":"))
(while (search-forward ident nil t)
(replace-match new-ident t t)
(setq found t))
- (and found (save-buffer))))
+ (when found
+ (nnmbox-save-buffer))))
+ (let ((entry (assoc group nnmbox-group-active-articles)))
+ (when entry
+ (setcar entry new-name)))
(let ((entry (assoc group nnmbox-group-alist)))
- (and entry (setcar entry new-name))
+ (when entry
+ (setcar entry new-name))
(setq nnmbox-current-group nil)
;; Save the new group alist.
- (nnmail-save-active nnmbox-group-alist nnmbox-active-file)
+ (nnmbox-save-active nnmbox-group-alist nnmbox-active-file)
t))
\f
;;; Internal functions.
;; If FORCE, delete article no matter how many X-Gnus-Newsgroup
-;; headers there are. If LEAVE-DELIM, don't delete the Unix mbox
+;; headers there are. If LEAVE-DELIM, don't delete the Unix mbox
;; delimiter line.
(defun nnmbox-delete-mail (&optional force leave-delim)
;; Delete the current X-Gnus-Newsgroup line.
+ ;; First delete record of active article, unless the article is being
+ ;; replaced, indicated by FORCE being non-nil.
+ (if (not force)
+ (nnmbox-record-deleted-article (nnmbox-article-group-number t)))
(or force
- (delete-region
- (progn (beginning-of-line) (point))
- (progn (forward-line 1) (point))))
+ (gnus-delete-line))
;; Beginning of the article.
(save-excursion
(save-restriction
(narrow-to-region
- (save-excursion
- (re-search-backward (concat "^" rmail-unix-mail-delimiter) nil t)
- (if leave-delim (progn (forward-line 1) (point))
- (match-beginning 0)))
- (progn
- (forward-line 1)
- (or (and (re-search-forward (concat "^" rmail-unix-mail-delimiter)
- nil t)
- (if (and (not (bobp)) leave-delim)
- (progn (forward-line -2) (point))
- (match-beginning 0)))
- (point-max))))
+ (prog2
+ (re-search-backward (concat "^" message-unix-mail-delimiter) nil t)
+ (if leave-delim (progn (forward-line 1) (point))
+ (match-beginning 0))
+ (forward-line 1))
+ (or (and (re-search-forward (concat "^" message-unix-mail-delimiter)
+ nil t)
+ (match-beginning 0))
+ (point-max)))
(goto-char (point-min))
- ;; Only delete the article if no other groups owns it as well.
- (if (or force (not (re-search-forward "^X-Gnus-Newsgroup: " nil t)))
- (delete-region (point-min) (point-max))))))
-
-(defun nnmbox-possibly-change-newsgroup (newsgroup)
- (if (or (not nnmbox-mbox-buffer)
- (not (buffer-name nnmbox-mbox-buffer)))
- (save-excursion
- (set-buffer (setq nnmbox-mbox-buffer
- (nnheader-find-file-noselect
- nnmbox-mbox-file nil 'raw)))
- (buffer-disable-undo (current-buffer))))
- (if (not nnmbox-group-alist)
- (nnmail-activate 'nnmbox))
+ ;; Only delete the article if no other group owns it as well.
+ (when (or force
+ (not (re-search-forward "^X-Gnus-Newsgroup: " nil t))
+ (search-backward "\n\n" nil t))
+ (delete-region (point-min) (point-max))))))
+
+(defun nnmbox-possibly-change-newsgroup (newsgroup &optional server)
+ (when (and server
+ (not (nnmbox-server-opened server)))
+ (nnmbox-open-server server))
+ (when (or (not nnmbox-mbox-buffer)
+ (not (buffer-name nnmbox-mbox-buffer)))
+ (nnmbox-read-mbox))
+ (when (not nnmbox-group-alist)
+ (nnmail-activate 'nnmbox))
(if newsgroup
- (if (assoc newsgroup nnmbox-group-alist)
- (setq nnmbox-current-group newsgroup))
+ (when (assoc newsgroup nnmbox-group-alist)
+ (setq nnmbox-current-group newsgroup))
t))
(defun nnmbox-article-string (article)
(if (numberp article)
- (concat "\nX-Gnus-Newsgroup: " nnmbox-current-group ":"
+ (concat "\nX-Gnus-Newsgroup: " nnmbox-current-group ":"
(int-to-string article) " ")
(concat "\nMessage-ID: " article)))
-(defun nnmbox-article-group-number ()
+(defun nnmbox-article-group-number (this-line)
(save-excursion
- (goto-char (point-min))
- (and (re-search-forward "^X-Gnus-Newsgroup: +\\([^:]+\\):\\([0-9]+\\) "
- nil t)
- (cons (buffer-substring (match-beginning 1) (match-end 1))
- (string-to-int
- (buffer-substring (match-beginning 2) (match-end 2)))))))
-
-(defun nnmbox-save-mail (&optional group)
+ (if this-line
+ (beginning-of-line)
+ (goto-char (point-min)))
+ (when (re-search-forward "^X-Gnus-Newsgroup: +\\([^:]+\\):\\([0-9]+\\) "
+ nil t)
+ (cons (buffer-substring (match-beginning 1) (match-end 1))
+ (string-to-number
+ (buffer-substring (match-beginning 2) (match-end 2)))))))
+
+(defun nnmbox-in-header-p (pos)
+ "Return non-nil if POS is in the header of an article."
+ (save-excursion
+ (goto-char pos)
+ (re-search-backward (concat "^" message-unix-mail-delimiter) nil t)
+ (search-forward "\n\n" nil t)
+ (< pos (point))))
+
+(defun nnmbox-find-article (article)
+ "Leaves point on the relevant X-Gnus-Newsgroup line if found."
+ ;; Check that article is in the active range first, to avoid an
+ ;; expensive exhaustive search if it isn't.
+ (if (and (numberp article)
+ (not (nnmbox-is-article-active-p article)))
+ nil
+ (let ((art-string (nnmbox-article-string article))
+ (found nil))
+ ;; There is the possibility that the X-Gnus-Newsgroup line appears
+ ;; in the body of an article (for instance, if an article has been
+ ;; forwarded from someone using Gnus as their mailer), so check
+ ;; that the line is actually part of the article header.
+ (or (and (search-forward art-string nil t)
+ (nnmbox-in-header-p (point)))
+ (progn
+ (goto-char (point-min))
+ (while (and (not found)
+ (search-forward art-string nil t))
+ (setq found (nnmbox-in-header-p (point))))
+ found)))))
+
+(defun nnmbox-record-active-article (group-art)
+ (let* ((group (car group-art))
+ (article (cdr group-art))
+ (entry
+ (or (assoc group nnmbox-group-active-articles)
+ (progn
+ (push (list group)
+ nnmbox-group-active-articles)
+ (car nnmbox-group-active-articles)))))
+ ;; add article to index, either by building complete list
+ ;; in reverse order, or as a list of ranges.
+ (if (not nnmbox-group-building-active-articles)
+ (setcdr entry (gnus-add-to-range (cdr entry) (list article)))
+ (when (memq article (cdr entry))
+ (switch-to-buffer nnmbox-mbox-buffer)
+ (error "Article %s:%d already exists!" group article))
+ (when (and (cadr entry) (< article (cadr entry)))
+ (switch-to-buffer nnmbox-mbox-buffer)
+ (error "Article %s:%d out of order" group article))
+ (setcdr entry (cons article (cdr entry))))))
+
+(defun nnmbox-record-deleted-article (group-art)
+ (let* ((group (car group-art))
+ (article (cdr group-art))
+ (entry
+ (or (assoc group nnmbox-group-active-articles)
+ (progn
+ (push (list group)
+ nnmbox-group-active-articles)
+ (car nnmbox-group-active-articles)))))
+ ;; remove article from index
+ (setcdr entry (gnus-remove-from-range (cdr entry) (list article)))))
+
+(defun nnmbox-is-article-active-p (article)
+ (gnus-member-of-range
+ article
+ (cdr (assoc nnmbox-current-group
+ nnmbox-group-active-articles))))
+
+(defun nnmbox-save-mail (group-art)
"Called narrowed to an article."
- (let* ((nnmail-split-methods
- (if group (list (list group "")) nnmail-split-methods))
- (group-art (nreverse (nnmail-article-group 'nnmbox-active-number)))
- (delim (concat "^" rmail-unix-mail-delimiter)))
+ (let ((delim (concat "^" message-unix-mail-delimiter)))
(goto-char (point-min))
;; This might come from somewhere else.
- (unless (looking-at delim)
- (insert "From nobody " (current-time-string) "\n")
- (goto-char (point-min)))
+ (if (looking-at delim)
+ (forward-line 1)
+ (insert "From nobody " (current-time-string) "\n"))
;; Quote all "From " lines in the article.
- (forward-line 1)
(while (re-search-forward delim nil t)
- (beginning-of-line)
- (insert "> "))
- (nnmail-insert-lines)
- (nnmail-insert-xref group-art)
- (nnmbox-insert-newsgroup-line group-art)
- (run-hooks 'nnmbox-prepare-save-mail-hook)
- group-art))
+ (goto-char (match-beginning 0))
+ (insert ">")))
+ (goto-char (point-max))
+ (unless (bolp)
+ (insert "\n"))
+ (nnmail-insert-lines)
+ (nnmail-insert-xref group-art)
+ (nnmbox-insert-newsgroup-line group-art)
+ (let ((alist group-art))
+ (while alist
+ (nnmbox-record-active-article (car alist))
+ (setq alist (cdr alist))))
+ (run-hooks 'nnmail-prepare-save-mail-hook)
+ (run-hooks 'nnmbox-prepare-save-mail-hook)
+ group-art)
(defun nnmbox-insert-newsgroup-line (group-art)
(save-excursion
(goto-char (point-min))
- (if (search-forward "\n\n" nil t)
- (progn
- (forward-char -1)
- (while group-art
- (insert (format "X-Gnus-Newsgroup: %s:%d %s\n"
- (caar group-art) (cdar group-art)
- (current-time-string)))
- (setq group-art (cdr group-art)))))
+ (when (search-forward "\n\n" nil t)
+ (forward-char -1)
+ (while group-art
+ (insert (format "X-Gnus-Newsgroup: %s:%d %s\n"
+ (caar group-art) (cdar group-art)
+ (current-time-string)))
+ (setq group-art (cdr group-art))))
t))
(defun nnmbox-active-number (group)
;; This group is new, so we create a new entry for it.
;; This might be a bit naughty... creating groups on the drop of
;; a hat, but I don't know...
- (setq nnmbox-group-alist (cons (list group (setq active (cons 1 1)))
- nnmbox-group-alist)))
+ (push (list group (setq active (cons 1 1)))
+ nnmbox-group-alist))
(cdr active)))
+(defun nnmbox-create-mbox ()
+ (when (not (file-exists-p nnmbox-mbox-file))
+ (let ((nnmail-file-coding-system
+ (or nnmbox-file-coding-system-for-write
+ nnmbox-file-coding-system))
+ (dir (file-name-directory nnmbox-mbox-file)))
+ (and dir (gnus-make-directory dir))
+ (nnmail-write-region (point-min) (point-min)
+ nnmbox-mbox-file t 'nomesg))))
+
(defun nnmbox-read-mbox ()
(nnmail-activate 'nnmbox)
- (if (not (file-exists-p nnmbox-mbox-file))
- (write-region 1 1 nnmbox-mbox-file t 'nomesg))
+ (nnmbox-create-mbox)
(if (and nnmbox-mbox-buffer
(buffer-name nnmbox-mbox-buffer)
- (save-excursion
- (set-buffer nnmbox-mbox-buffer)
- (= (buffer-size) (nth 7 (file-attributes nnmbox-mbox-file)))))
+ (with-current-buffer nnmbox-mbox-buffer
+ (= (buffer-size) (nnheader-file-size nnmbox-mbox-file))))
()
(save-excursion
- (let ((delim (concat "^" rmail-unix-mail-delimiter))
- start end)
- (set-buffer (setq nnmbox-mbox-buffer
- (nnheader-find-file-noselect
- nnmbox-mbox-file nil 'raw)))
- (buffer-disable-undo (current-buffer))
+ (let ((delim (concat "^" message-unix-mail-delimiter))
+ (alist nnmbox-group-alist)
+ (nnmbox-group-building-active-articles t)
+ start end end-header number)
+ (set-buffer (setq nnmbox-mbox-buffer
+ (let ((nnheader-file-coding-system
+ nnmbox-file-coding-system))
+ (nnheader-find-file-noselect
+ nnmbox-mbox-file t t))))
+ (mm-enable-multibyte)
+ (buffer-disable-undo)
+ (gnus-add-buffer)
+
+ ;; Go through the group alist and compare against the mbox file.
+ (while alist
+ (goto-char (point-max))
+ (when (and (re-search-backward
+ (format "^X-Gnus-Newsgroup: %s:\\([0-9]+\\) "
+ (caar alist)) nil t)
+ (> (setq number
+ (string-to-number
+ (buffer-substring
+ (match-beginning 1) (match-end 1))))
+ (cdadar alist)))
+ (setcdr (cadar alist) number))
+ (setq alist (cdr alist)))
+
+ ;; Examine all articles for our private X-Gnus-Newsgroup
+ ;; headers. This is done primarily as a consistency check, but
+ ;; it is convenient for building an index of the articles
+ ;; present, to avoid costly searches for missing articles
+ ;; (eg. when expiring articles).
(goto-char (point-min))
+ (setq nnmbox-group-active-articles nil)
(while (re-search-forward delim nil t)
(setq start (match-beginning 0))
- (if (not (search-forward "\nX-Gnus-Newsgroup: "
- (save-excursion
- (setq end
- (or
- (and
- (re-search-forward delim nil t)
- (match-beginning 0))
- (point-max))))
- t))
- (save-excursion
- (save-restriction
- (narrow-to-region start end)
- (nnmbox-save-mail))))
- (goto-char end))))))
+ (save-excursion
+ (search-forward "\n\n" nil t)
+ (setq end-header (point))
+ (setq end (or (and
+ (re-search-forward delim nil t)
+ (match-beginning 0))
+ (point-max))))
+ (if (search-forward "\nX-Gnus-Newsgroup: " end-header t)
+ ;; Build a list of articles in each group, remembering
+ ;; that each article may be in more than one group.
+ (progn
+ (nnmbox-record-active-article (nnmbox-article-group-number t))
+ (while (search-forward "\nX-Gnus-Newsgroup: " end-header t)
+ (nnmbox-record-active-article (nnmbox-article-group-number t))))
+ ;; The article is either new, or for some other reason
+ ;; hasn't got our private headers, so add them now. The
+ ;; only situation I've encountered when the X-Gnus-Newsgroup
+ ;; header is missing is if the article contains a forwarded
+ ;; message which does contain that header line (earlier
+ ;; versions of Gnus didn't restrict their search to the
+ ;; headers). In this case, there is an Xref line which
+ ;; provides the relevant information to construct the
+ ;; missing header(s).
+ (save-excursion
+ (save-restriction
+ (narrow-to-region start end)
+ (if (re-search-forward "\nXref: [^ ]+" end-header t)
+ ;; generate headers from Xref:
+ (let (alist)
+ (while (re-search-forward " \\([^:]+\\):\\([0-9]+\\)" end-header t)
+ (push (cons (match-string 1)
+ (string-to-number (match-string 2))) alist))
+ (nnmbox-insert-newsgroup-line alist))
+ ;; this is really a new article
+ (nnmbox-save-mail
+ (nnmail-article-group 'nnmbox-active-number))))))
+ (goto-char end))
+ ;; put article lists in order
+ (setq alist nnmbox-group-active-articles)
+ (while alist
+ (setcdr (car alist) (gnus-compress-sequence (nreverse (cdar alist))))
+ (setq alist (cdr alist)))))))
(provide 'nnmbox)
projects / gnus / blobdiff