+++ /dev/null
-;;; nnmbox.el --- mail mbox access for Gnus
-
-;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000
-;; 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
-;; 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.
-
-;; 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.
-
-;;; Commentary:
-
-;; For an overview of what the interface functions do, please see the
-;; Gnus sources.
-
-;;; Code:
-
-(eval-when-compile (require 'cl))
-(eval-when-compile (require 'static))
-
-(require 'nnheader)
-(require 'message)
-(require 'nnmail)
-(require 'nnoo)
-(require 'gnus-range)
-
-(nnoo-declare nnmbox)
-
-(defvoo nnmbox-mbox-file (expand-file-name "~/mbox")
- "The name of the mail box file in the user's home directory.
-
-This variable is a virtual server slot. See the Gnus manual for details.")
-
-(defvoo nnmbox-active-file (expand-file-name "~/.mbox-active")
- "The name of the active file for the mail box.
-
-This variable is a virtual server slot. See the Gnus manual for details.")
-
-(defvoo nnmbox-get-new-mail t
- "If non-nil, nnmbox will check the incoming mail file and split the mail.
-
-This variable is a virtual server slot. See the Gnus manual for details.")
-
-(defvoo nnmbox-prepare-save-mail-hook nil
- "Hook run narrowed to an article before saving.
-
-This variable is a virtual server slot. See the Gnus manual for details.")
-
-\f
-
-(defconst nnmbox-version "nnmbox 1.0"
- "nnmbox version.")
-
-(defvoo nnmbox-current-group nil
- "Current nnmbox news group directory.")
-
-(defconst nnmbox-mbox-buffer nil)
-
-(defvoo nnmbox-status-string "")
-
-(defvoo nnmbox-group-alist nil)
-(defvoo nnmbox-active-timestamp nil)
-
-(defvoo nnmbox-file-coding-system 'binary)
-(defvoo nnmbox-file-coding-system-for-write nil)
-(defvoo nnmbox-active-file-coding-system 'binary)
-(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
-
-(nnoo-define-basics nnmbox)
-
-(deffoo nnmbox-retrieve-headers (sequence &optional newsgroup server fetch-old)
- (save-excursion
- (set-buffer nntp-server-buffer)
- (erase-buffer)
- (let ((number (length sequence))
- (count 0)
- article start stop)
- (nnmbox-possibly-change-newsgroup newsgroup server)
- (while sequence
- (setq article (car sequence))
- (set-buffer nnmbox-mbox-buffer)
- (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)
- (> number nnmail-large-newsgroup)
- (zerop (% count 20))
- (nnheader-message 5 "nnmbox: Receiving headers... %d%%"
- (/ (* count 100) number))))
-
- (and (numberp nnmail-large-newsgroup)
- (> number nnmail-large-newsgroup)
- (nnheader-message 5 "nnmbox: Receiving headers...done"))
-
- (set-buffer nntp-server-buffer)
- (nnheader-fold-continuation-lines)
- 'headers)))
-
-(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))
- ((file-directory-p nnmbox-mbox-file)
- (nnmbox-close-server)
- (nnheader-report 'nnmbox "Not a regular file: %s" nnmbox-mbox-file))
- (t
- (nnheader-report 'nnmbox "Opened server %s using mbox %s" server
- nnmbox-mbox-file)
- t)))
-
-(deffoo nnmbox-close-server (&optional server)
- (when (and nnmbox-mbox-buffer
- (buffer-name nnmbox-mbox-buffer))
- (kill-buffer nnmbox-mbox-buffer))
- (nnoo-close-server 'nnmbox server)
- t)
-
-(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)))
-
-(deffoo nnmbox-request-article (article &optional newsgroup server buffer)
- (nnmbox-possibly-change-newsgroup newsgroup server)
- (save-excursion
- (set-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)
- (or (and (re-search-forward
- (concat "^" message-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 nil)))))))
-
-(deffoo nnmbox-request-group (group &optional server dont-check)
- (nnmbox-possibly-change-newsgroup nil server)
- (let ((active (cadr (assoc group nnmbox-group-alist))))
- (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"
- (1+ (- (cdr active) (car active)))
- (car active) (cdr active) group)))))
-
-(static-if (boundp 'MULE)
- (defun nnmbox-save-buffer ()
- (let ((output-coding-system
- (or nnmbox-file-coding-system-for-write
- nnmbox-file-coding-system)))
- (save-buffer)))
- (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
- (lambda ()
- (save-excursion
- (set-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)))
- (nnmbox-save-active nnmbox-group-alist nnmbox-active-file))))
-
-(deffoo nnmbox-close-group (group &optional server)
- t)
-
-(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
- (let ((nnmail-file-coding-system
- nnmbox-active-file-coding-system))
- (nnmail-find-file nnmbox-active-file))
- (setq nnmbox-group-alist (nnmail-get-active))
- t))
-
-(deffoo nnmbox-request-newgroups (date &optional server)
- (nnmbox-request-list server))
-
-(deffoo nnmbox-request-list-newsgroups (&optional server)
- (nnheader-report 'nnmbox "LIST NEWSGROUPS is not implemented."))
-
-(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)
- (while (and articles is-old)
- (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))))
- (nnheader-message 5 "Deleting article %d in %s..."
- (car articles) newsgroup)
- (nnmbox-delete-mail))
- (push (car articles) rest)))
- (setq articles (cdr articles)))
- (nnmbox-save-buffer)
- ;; Find the lowest active article in this group.
- (let ((active (nth 1 (assoc newsgroup nnmbox-group-alist))))
- (while (and (not (nnmbox-find-article (car active)))
- (<= (car active) (cdr active)))
- (setcar active (1+ (car active)))))
- (nnmbox-save-active nnmbox-group-alist nnmbox-active-file)
- (nconc rest articles))))
-
-(deffoo nnmbox-request-move-article
- (article group server accept-form &optional last)
- (let ((buf (get-buffer-create " *nnmbox move*"))
- result)
- (and
- (nnmbox-request-article article group server)
- (save-excursion
- (set-buffer buf)
- (erase-buffer)
- (insert-buffer-substring nntp-server-buffer)
- (goto-char (point-min))
- (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))))
- (setq result (eval accept-form))
- (kill-buffer buf)
- result)
- (save-excursion
- (nnmbox-possibly-change-newsgroup group server)
- (set-buffer nnmbox-mbox-buffer)
- (when (nnmbox-find-article article)
- (nnmbox-delete-mail))
- (and last (nnmbox-save-buffer))))
- result))
-
-(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))
- ;; The From line may have been quoted by movemail.
- (when (looking-at (concat ">" message-unix-mail-delimiter))
- (delete-char 1))
- (if (looking-at "X-From-Line: ")
- (replace-match "From ")
- (insert "From nobody " (current-time-string) "\n"))
- (and
- (nnmail-activate 'nnmbox)
- (progn
- (set-buffer buf)
- (goto-char (point-min))
- (search-forward "\n\n" nil t)
- (forward-line -1)
- (while (re-search-backward "^X-Gnus-Newsgroup: " nil t)
- (delete-region (point) (progn (forward-line 1) (point))))
- (when nnmail-cache-accepted-message-ids
- (nnmail-cache-insert (nnmail-fetch-field "message-id")))
- (setq result (if (stringp group)
- (list (cons group (nnmbox-active-number group)))
- (nnmail-article-group 'nnmbox-active-number)))
- (if (and (null result)
- (yes-or-no-p "Moved to `junk' group; delete article? "))
- (setq result 'junk)
- (setq result (car (nnmbox-save-mail result)))))
- (save-excursion
- (set-buffer nnmbox-mbox-buffer)
- (goto-char (point-max))
- (insert-buffer-substring buf)
- (when last
- (when nnmail-cache-accepted-message-ids
- (nnmail-cache-close))
- (nnmbox-save-active nnmbox-group-alist nnmbox-active-file)
- (nnmbox-save-buffer))))
- result))
-
-(deffoo nnmbox-request-replace-article (article group buffer)
- (nnmbox-possibly-change-newsgroup group)
- (save-excursion
- (set-buffer nnmbox-mbox-buffer)
- (if (not (nnmbox-find-article article))
- nil
- (nnmbox-delete-mail t t)
- (insert-buffer-substring buffer)
- (nnmbox-save-buffer)
- t)))
-
-(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)
- (goto-char (point-min))
- ;; Delete all articles in this group.
- (let ((ident (concat "\nX-Gnus-Newsgroup: " nnmbox-current-group ":"))
- found)
- (while (search-forward ident nil t)
- (setq found t)
- (nnmbox-delete-mail))
- (when found
- (nnmbox-save-buffer)))))
- ;; Remove the group from all structures.
- (setq nnmbox-group-alist
- (delq (assoc group nnmbox-group-alist) nnmbox-group-alist)
- nnmbox-current-group nil)
- ;; Save the active file.
- (nnmbox-save-active nnmbox-group-alist nnmbox-active-file)
- t)
-
-(deffoo nnmbox-request-rename-group (group new-name &optional server)
- (nnmbox-possibly-change-newsgroup group server)
- (save-excursion
- (set-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 ":"))
- found)
- (while (search-forward ident nil t)
- (replace-match new-ident t t)
- (setq found t))
- (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)))
- (when entry
- (setcar entry new-name))
- (setq nnmbox-current-group nil)
- ;; Save the new group alist.
- (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
-;; 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))))
- ;; Beginning of the article.
- (save-excursion
- (save-restriction
- (narrow-to-region
- (save-excursion
- (re-search-backward (concat "^" message-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 "^" message-unix-mail-delimiter)
- nil t)
- (if (and (not (bobp)) leave-delim)
- (progn (forward-line -2) (point))
- (match-beginning 0)))
- (point-max))))
- (goto-char (point-min))
- ;; Only delete the article if no other group owns it as well.
- (when (or force (not (re-search-forward "^X-Gnus-Newsgroup: " 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
- (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 ":"
- (int-to-string article) " ")
- (concat "\nMessage-ID: " article)))
-
-(defun nnmbox-article-group-number (this-line)
- (save-excursion
- (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-int
- (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 ((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)))
- ;; 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)
- (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))
- (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)
- ;; Find the next article number in GROUP.
- (let ((active (cadr (assoc group nnmbox-group-alist))))
- (if active
- (setcdr active (1+ (cdr active)))
- ;; 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...
- (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)))
- (nnmail-write-region 1 1 nnmbox-mbox-file t 'nomesg))))
-
-(defun nnmbox-read-mbox ()
- (nnmail-activate 'nnmbox)
- (nnmbox-create-mbox)
- (if (and nnmbox-mbox-buffer
- (buffer-name nnmbox-mbox-buffer)
- (save-excursion
- (set-buffer nnmbox-mbox-buffer)
- (= (buffer-size) (nnheader-file-size nnmbox-mbox-file))))
- ()
- (save-excursion
- (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))))
- (buffer-disable-undo)
-
- ;; 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))
- (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-int (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)
-
-;;; nnmbox.el ends here
projects / elisp / gnus.git- / blobdiff