-;;; nnsoup.el --- SOUP packet reading access for Gnus
-;; Copyright (C) 1995 Free Software Foundation, Inc.
+;;; nnsoup.el --- SOUP access for Gnus
+;; Copyright (C) 1995,96,97,98,99 Free Software Foundation, Inc.
-;; Author: Per Abrahamsen <abraham@iesd.auc.dk>
-;; Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
+;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
;; Keywords: news, mail
;; 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, 675 Mass Ave, Cambridge, MA 02139, USA.
+;; 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.
-
-;; For more information on SOUP, see the comments in the file
-;; `gnus-soup.el'.
-
;;; Code:
-(require 'gnus-soup)
(require 'nnheader)
-(require 'rmail)
(require 'nnmail)
+(require 'gnus-soup)
+(require 'gnus-msg)
+(require 'nnoo)
+(eval-when-compile (require 'cl))
+
+(nnoo-declare nnsoup)
+
+(defvoo nnsoup-directory "~/SOUP/"
+ "*SOUP packet directory.")
+
+(defvoo nnsoup-tmp-directory
+ (cond ((fboundp 'temp-directory) (temp-directory))
+ ((boundp 'temporary-file-directory) temporary-file-directory)
+ ("/tmp/"))
+ "*Where nnsoup will store temporary files.")
+
+(defvoo nnsoup-replies-directory (concat nnsoup-directory "replies/")
+ "*Directory where outgoing packets will be composed.")
+
+(defvoo nnsoup-replies-format-type ?u ;; u is USENET news format.
+ "*Format of the replies packages.")
+
+(defvoo nnsoup-replies-index-type ?n
+ "*Index type of the replies packages.")
+
+(defvoo nnsoup-active-file (concat nnsoup-directory "active")
+ "Active file.")
-(defvar nnsoup-directory (expand-file-name "~/SOUP/")
- "The name of the directory containing the unpacket SOUP packet.")
+(defvoo nnsoup-packer "tar cf - %s | gzip > $HOME/Soupin%d.tgz"
+ "Format string command for packing a SOUP packet.
+The SOUP files will be inserted where the %s is in the string.
+This string MUST contain both %s and %d. The file number will be
+inserted where %d appears.")
+
+(defvoo nnsoup-unpacker "gunzip -c %s | tar xvf -"
+ "*Format string command for unpacking a SOUP packet.
+The SOUP packet file name will be inserted at the %s.")
+
+(defvoo nnsoup-packet-directory "~/"
+ "*Where nnsoup will look for incoming packets.")
+
+(defvoo nnsoup-packet-regexp "Soupout"
+ "*Regular expression matching SOUP packets in `nnsoup-packet-directory'.")
+
+(defvoo nnsoup-always-save t
+ "If non nil commit the reply buffer on each message send.
+This is necessary if using message mode outside Gnus with nnsoup as a
+backend for the messages.")
\f
(defconst nnsoup-version "nnsoup 0.0"
"nnsoup version.")
-(defconst nnsoup-areas-file (concat nnsoup-directory "AREAS"))
-(defconst nnsoup-list-file (concat nnsoup-directory "LIST"))
-(defconst nnsoup-gnus-file (concat nnsoup-directory "gnus.touched"))
+(defvoo nnsoup-status-string "")
+(defvoo nnsoup-group-alist nil)
+(defvoo nnsoup-current-prefix 0)
+(defvoo nnsoup-replies-list nil)
+(defvoo nnsoup-buffers nil)
+(defvoo nnsoup-current-group nil)
+(defvoo nnsoup-group-alist-touched nil)
+(defvoo nnsoup-article-alist nil)
+\f
-(defvar nnsoup-current-group nil)
-(defvar nnsoup-current-buffer nil)
-(defvar nnsoup-status-string "")
-(defvar nnsoup-group-alist nil)
-(defvar nnsoup-buffer-alist nil)
-(defconst nnsoup-areas-list nil)
+;;; Interface functions.
-;;; Interface functions
+(nnoo-define-basics nnsoup)
-(defun nnsoup-retrieve-headers (sequence &optional newsgroup server)
+(deffoo nnsoup-retrieve-headers (sequence &optional group server fetch-old)
+ (nnsoup-possibly-change-group group)
(save-excursion
(set-buffer nntp-server-buffer)
(erase-buffer)
- (let ((file nil)
- (number (length sequence))
- beg article art-string start stop)
- (nnsoup-possibly-change-group newsgroup)
- (while sequence
- (setq article (car sequence))
- (setq art-string (nnsoup-article-string article))
- (set-buffer nnsoup-current-buffer)
- (if (or (search-forward art-string nil t)
- (progn (goto-char 1)
- (search-forward art-string nil t)))
+ (let ((areas (cddr (assoc nnsoup-current-group nnsoup-group-alist)))
+ (articles sequence)
+ (use-nov t)
+ useful-areas this-area-seq msg-buf)
+ (if (stringp (car sequence))
+ ;; We don't support fetching by Message-ID.
+ 'headers
+ ;; We go through all the areas and find which files the
+ ;; articles in SEQUENCE come from.
+ (while (and areas sequence)
+ ;; Peel off areas that are below sequence.
+ (while (and areas (< (cdaar areas) (car sequence)))
+ (setq areas (cdr areas)))
+ (when areas
+ ;; This is a useful area.
+ (push (car areas) useful-areas)
+ (setq this-area-seq nil)
+ ;; We take note whether this MSG has a corresponding IDX
+ ;; for later use.
+ (when (or (= (gnus-soup-encoding-index
+ (gnus-soup-area-encoding (nth 1 (car areas)))) ?n)
+ (not (file-exists-p
+ (nnsoup-file
+ (gnus-soup-area-prefix (nth 1 (car areas)))))))
+ (setq use-nov nil))
+ ;; We assign the portion of `sequence' that is relevant to
+ ;; this MSG packet to this packet.
+ (while (and sequence (<= (car sequence) (cdaar areas)))
+ (push (car sequence) this-area-seq)
+ (setq sequence (cdr sequence)))
+ (setcar useful-areas (cons (nreverse this-area-seq)
+ (car useful-areas)))))
+
+ ;; We now have a list of article numbers and corresponding
+ ;; areas.
+ (setq useful-areas (nreverse useful-areas))
+
+ ;; Two different approaches depending on whether all the MSG
+ ;; files have corresponding IDX files. If they all do, we
+ ;; simply return the relevant IDX files and let Gnus sort out
+ ;; what lines are relevant. If some of the IDX files are
+ ;; missing, we must return HEADs for all the articles.
+ (if use-nov
+ ;; We have IDX files for all areas.
(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))
- (setq beg (point))
- (insert-buffer-substring nnsoup-current-buffer start stop)
- (goto-char (point-max))
- (insert ".\n")))
- (setq sequence (cdr sequence)))
-
- ;; Fold continuation lines.
- (goto-char 1)
- (while (re-search-forward "\\(\r?\n[ \t]+\\)+" nil t)
- (replace-match " " t t))
- 'headers)))
-
-(defun nnsoup-open-server (host &optional service)
- (setq nnsoup-status-string "")
- (setq nnsoup-group-alist nil)
- (nnheader-init-server-buffer))
-
-(defun nnsoup-close-server (&optional server)
+ (while useful-areas
+ (goto-char (point-max))
+ (let ((b (point))
+ (number (car (nth 1 (car useful-areas))))
+ (index-buffer (nnsoup-index-buffer
+ (gnus-soup-area-prefix
+ (nth 2 (car useful-areas))))))
+ (when index-buffer
+ (insert-buffer-substring index-buffer)
+ (goto-char b)
+ ;; We have to remove the index number entires and
+ ;; insert article numbers instead.
+ (while (looking-at "[0-9]+")
+ (replace-match (int-to-string number) t t)
+ (incf number)
+ (forward-line 1))))
+ (setq useful-areas (cdr useful-areas)))
+ 'nov)
+ ;; We insert HEADs.
+ (while useful-areas
+ (setq articles (caar useful-areas)
+ useful-areas (cdr useful-areas))
+ (while articles
+ (when (setq msg-buf
+ (nnsoup-narrow-to-article
+ (car articles) (cdar useful-areas) 'head))
+ (goto-char (point-max))
+ (insert (format "221 %d Article retrieved.\n" (car articles)))
+ (insert-buffer-substring msg-buf)
+ (goto-char (point-max))
+ (insert ".\n"))
+ (setq articles (cdr articles))))
+
+ (nnheader-fold-continuation-lines)
+ 'headers)))))
+
+(deffoo nnsoup-open-server (server &optional defs)
+ (nnoo-change-server 'nnsoup server defs)
+ (when (not (file-exists-p nnsoup-directory))
+ (condition-case ()
+ (make-directory nnsoup-directory t)
+ (error t)))
+ (cond
+ ((not (file-exists-p nnsoup-directory))
+ (nnsoup-close-server)
+ (nnheader-report 'nnsoup "Couldn't create directory: %s" nnsoup-directory))
+ ((not (file-directory-p (file-truename nnsoup-directory)))
+ (nnsoup-close-server)
+ (nnheader-report 'nnsoup "Not a directory: %s" nnsoup-directory))
+ (t
+ (nnsoup-read-active-file)
+ (nnheader-report 'nnsoup "Opened server %s using directory %s"
+ server nnsoup-directory)
+ t)))
+
+(deffoo nnsoup-request-close ()
+ (nnsoup-write-active-file)
+ (nnsoup-write-replies)
+ (gnus-soup-save-areas)
+ ;; Kill all nnsoup buffers.
+ (let (buffer)
+ (while nnsoup-buffers
+ (setq buffer (cdr (pop nnsoup-buffers)))
+ (and buffer
+ (buffer-name buffer)
+ (kill-buffer buffer))))
+ (setq nnsoup-group-alist nil
+ nnsoup-group-alist-touched nil
+ nnsoup-current-group nil
+ nnsoup-replies-list nil)
+ (nnoo-close-server 'nnoo)
t)
-(defun nnsoup-server-opened (&optional server)
- (and nntp-server-buffer
- (buffer-name nntp-server-buffer)))
-
-(defun nnsoup-status-message (&optional server)
- nnsoup-status-string)
-
-(defun nnsoup-request-article (article &optional newsgroup server buffer)
+(deffoo nnsoup-request-article (id &optional newsgroup server buffer)
(nnsoup-possibly-change-group newsgroup)
- (if (stringp article)
- nil
+ (let (buf)
(save-excursion
- (set-buffer nnsoup-current-buffer)
- (goto-char 1)
- (if (search-forward (nnsoup-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 nnsoup-current-buffer start stop)
- (goto-char (point-min))
- (while (looking-at "From ")
- (delete-char 5)
- (insert "X-From-Line: ")
- (forward-line 1))
- t))))))
-
-(defun nnsoup-request-group (group &optional server dont-check)
- (save-excursion
- (nnsoup-possibly-change-group group)
- (and (assoc group nnsoup-group-alist)
- (save-excursion
- (set-buffer nntp-server-buffer)
- (erase-buffer)
- (if dont-check
- t
- (nnsoup-request-list)
- (setq nnsoup-group-alist (nnmail-get-active))
- (let ((active (assoc group nnsoup-group-alist)))
- (insert (format "211 %d %d %d %s\n"
- (1+ (- (cdr (car (cdr active)))
- (car (car (cdr active)))))
- (car (car (cdr active)))
- (cdr (car (cdr active)))
- (car active))))
- t)))))
-
-(defun nnsoup-close-group (group &optional server)
+ (set-buffer (or buffer nntp-server-buffer))
+ (erase-buffer)
+ (when (and (not (stringp id))
+ (setq buf (nnsoup-narrow-to-article id)))
+ (insert-buffer-substring buf)
+ t))))
+
+(deffoo nnsoup-request-group (group &optional server dont-check)
+ (nnsoup-possibly-change-group group)
+ (if dont-check
+ t
+ (let ((active (cadr (assoc group nnsoup-group-alist))))
+ (if (not active)
+ (nnheader-report 'nnsoup "No such group: %s" group)
+ (nnheader-insert
+ "211 %d %d %d %s\n"
+ (max (1+ (- (cdr active) (car active))) 0)
+ (car active) (cdr active) group)))))
+
+(deffoo nnsoup-request-type (group &optional article)
+ (nnsoup-possibly-change-group group)
+ ;; Try to guess the type based on the first article in the group.
+ (when (not article)
+ (setq article
+ (cdaar (cddr (assoc group nnsoup-group-alist)))))
+ (if (not article)
+ 'unknown
+ (let ((kind (gnus-soup-encoding-kind
+ (gnus-soup-area-encoding
+ (nth 1 (nnsoup-article-to-area
+ article nnsoup-current-group))))))
+ (cond ((= kind ?m) 'mail)
+ ((= kind ?n) 'news)
+ (t 'unknown)))))
+
+(deffoo nnsoup-close-group (group &optional server)
+ ;; Kill all nnsoup buffers.
+ (let ((buffers nnsoup-buffers)
+ elem)
+ (while buffers
+ (when (equal (car (setq elem (pop buffers))) group)
+ (setq nnsoup-buffers (delq elem nnsoup-buffers))
+ (and (cdr elem) (buffer-name (cdr elem))
+ (kill-buffer (cdr elem))))))
t)
-(defun nnsoup-request-list (&optional server)
- (if server
- (if (or (file-exists-p nnsoup-gnus-file)
- (not (file-directory-p nnsoup-directory)))
- ()
- (write-region 1 1 nnsoup-gnus-file)
- (setq nnsoup-areas-list nil
- nnsoup-current-group nil
- nnsoup-current-buffer nil
- nnsoup-group-alist nil)
- (let ((buffer (get-file-buffer nnsoup-areas-file))
- (groups gnus-newsrc-assoc)
- group)
- (while groups
- (setq group (car groups)
- groups (cdr groups))
- (if (eq (car (gnus-group-method-name (car group))) 'nnsoup)
- (progn
- (setcar (nthcdr 2 group) nil)
- (setcar (nthcdr 3 group) nil))))
- (gnus-make-hashtable-from-newsrc-alist)
- (if buffer
- (kill-buffer buffer))
- (while nnsoup-buffer-alist
- (setq buffer (nth 1 (car nnsoup-buffer-alist))
- nnsoup-buffer-alist (cdr nnsoup-buffer-alist))
- (if (buffer-name buffer)
- (kill-buffer buffer))))))
- (nnsoup-find-active))
-
-(defun nnsoup-request-newgroups (date &optional server)
- (nnsoup-request-list server))
-
-(defun nnsoup-request-list-newsgroups (&optional server)
- (nnmail-find-file nnsoup-newsgroups-file))
-
-(defun nnsoup-request-post (&optional server)
- (mail-send-and-exit nil))
-
-(fset 'nnsoup-request-post-buffer 'nnmail-request-post-buffer)
-
-(defun nnsoup-request-expire-articles (articles newsgroup &optional server force)
- (setq nnsoup-status-string "nnsoup: expire not possible")
+(deffoo nnsoup-request-list (&optional server)
+ (save-excursion
+ (set-buffer nntp-server-buffer)
+ (erase-buffer)
+ (unless nnsoup-group-alist
+ (nnsoup-read-active-file))
+ (let ((alist nnsoup-group-alist)
+ (standard-output (current-buffer))
+ entry)
+ (while (setq entry (pop alist))
+ (insert (car entry) " ")
+ (princ (cdadr entry))
+ (insert " ")
+ (princ (caadr entry))
+ (insert " y\n"))
+ t)))
+
+(deffoo nnsoup-request-scan (group &optional server)
+ (nnsoup-unpack-packets))
+
+(deffoo nnsoup-request-newgroups (date &optional server)
+ (nnsoup-request-list))
+
+(deffoo nnsoup-request-list-newsgroups (&optional server)
nil)
-(defun nnsoup-request-move-article (article group server accept-form)
- (setq nnsoup-status-string "nnsoup: move not possible")
- nil)
+(deffoo nnsoup-request-post (&optional server)
+ (nnsoup-store-reply "news")
+ t)
-(defun nnsoup-request-accept-article (group)
- (setq nnsoup-status-string "nnsoup: accept not possible")
- nil)
+(deffoo nnsoup-request-mail (&optional server)
+ (nnsoup-store-reply "mail")
+ t)
+
+(deffoo nnsoup-request-expire-articles (articles group &optional server force)
+ (nnsoup-possibly-change-group group)
+ (let* ((total-infolist (assoc group nnsoup-group-alist))
+ (active (cadr total-infolist))
+ (infolist (cddr total-infolist))
+ info range-list mod-time prefix)
+ (while infolist
+ (setq info (pop infolist)
+ range-list (gnus-uncompress-range (car info))
+ prefix (gnus-soup-area-prefix (nth 1 info)))
+ (when;; All the articles in this file are marked for expiry.
+ (and (or (setq mod-time (nth 5 (file-attributes
+ (nnsoup-file prefix))))
+ (setq mod-time (nth 5 (file-attributes
+ (nnsoup-file prefix t)))))
+ (gnus-sublist-p articles range-list)
+ ;; This file is old enough.
+ (nnmail-expired-article-p group mod-time force))
+ ;; Ok, we delete this file.
+ (when (ignore-errors
+ (nnheader-message
+ 5 "Deleting %s in group %s..." (nnsoup-file prefix)
+ group)
+ (when (file-exists-p (nnsoup-file prefix))
+ (delete-file (nnsoup-file prefix)))
+ (nnheader-message
+ 5 "Deleting %s in group %s..." (nnsoup-file prefix t)
+ group)
+ (when (file-exists-p (nnsoup-file prefix t))
+ (delete-file (nnsoup-file prefix t)))
+ t)
+ (setcdr (cdr total-infolist) (delq info (cddr total-infolist)))
+ (setq articles (gnus-sorted-complement articles range-list))))
+ (when (not mod-time)
+ (setcdr (cdr total-infolist) (delq info (cddr total-infolist)))))
+ (if (cddr total-infolist)
+ (setcar active (caaadr (cdr total-infolist)))
+ (setcar active (1+ (cdr active))))
+ (nnsoup-write-active-file t)
+ ;; Return the articles that weren't expired.
+ articles))
\f
-;;; Internal functions.
-
-(defun nnsoup-possibly-change-group (group)
- (or (file-exists-p nnsoup-directory)
- (make-directory (directory-file-name nnsoup-directory)))
- (if (not nnsoup-group-alist)
- (progn
- (nnsoup-request-list)
- (setq nnsoup-group-alist (nnmail-get-active))))
- (let (inf file)
- (if (and (equal group nnsoup-current-group)
- (buffer-name nnsoup-current-buffer))
- ()
- (if (setq inf (member group nnsoup-buffer-alist))
- (setq nnsoup-current-buffer (nth 1 inf)))
- (setq nnsoup-current-group group)
- (if (not (buffer-name nnsoup-current-buffer))
- (progn
- (setq nnsoup-buffer-alist (delq inf nnsoup-buffer-alist))
- (setq inf nil)))
- (if inf
- ()
- (save-excursion
- (setq file (nnsoup-group-file group))
-;;;; (if (not (file-exists-p file))
-;;;; (write-region 1 1 file t 'nomesg))
- (set-buffer (nnsoup-read-folder file))
- (setq nnsoup-buffer-alist (cons (list group (current-buffer))
- nnsoup-buffer-alist))))))
- (setq nnsoup-current-group group))
-
-(defun nnsoup-article-string (article)
- (concat "\nX-Gnus-Article-Number: " (int-to-string article) " "))
-
-(defun nnsoup-read-folder (file)
- (nnsoup-request-list)
- (setq nnsoup-group-alist (nnmail-get-active))
+;;; Internal functions
+
+(defun nnsoup-possibly-change-group (group &optional force)
+ (when (and group
+ (not (equal nnsoup-current-group group)))
+ (setq nnsoup-article-alist nil)
+ (setq nnsoup-current-group group))
+ t)
+
+(defun nnsoup-read-active-file ()
+ (setq nnsoup-group-alist nil)
+ (when (file-exists-p nnsoup-active-file)
+ (ignore-errors
+ (load nnsoup-active-file t t t))
+ ;; Be backwards compatible.
+ (when (and nnsoup-group-alist
+ (not (atom (caadar nnsoup-group-alist))))
+ (let ((alist nnsoup-group-alist)
+ entry e min max)
+ (while (setq e (cdr (setq entry (pop alist))))
+ (setq min (caaar e))
+ (while (cdr e)
+ (setq e (cdr e)))
+ (setq max (cdaar e))
+ (setcdr entry (cons (cons min max) (cdr entry)))))
+ (setq nnsoup-group-alist-touched t))
+ nnsoup-group-alist))
+
+(defun nnsoup-write-active-file (&optional force)
+ (when (and nnsoup-group-alist
+ (or force
+ nnsoup-group-alist-touched))
+ (setq nnsoup-group-alist-touched nil)
+ (with-temp-file nnsoup-active-file
+ (gnus-prin1 `(setq nnsoup-group-alist ',nnsoup-group-alist))
+ (insert "\n")
+ (gnus-prin1 `(setq nnsoup-current-prefix ,nnsoup-current-prefix))
+ (insert "\n"))))
+
+(defun nnsoup-next-prefix ()
+ "Return the next free prefix."
+ (let (prefix)
+ (while (or (file-exists-p
+ (nnsoup-file (setq prefix (int-to-string
+ nnsoup-current-prefix))))
+ (file-exists-p (nnsoup-file prefix t)))
+ (incf nnsoup-current-prefix))
+ (incf nnsoup-current-prefix)
+ prefix))
+
+(defun nnsoup-file-name (dir file)
+ "Return the full path of FILE (in any case) in DIR."
+ (let* ((case-fold-search t)
+ (files (directory-files dir t))
+ (regexp (concat (regexp-quote file) "$")))
+ (car (delq nil
+ (mapcar
+ (lambda (file)
+ (if (string-match regexp file)
+ file
+ nil))
+ files)))))
+
+(defun nnsoup-read-areas ()
+ (let ((areas-file (nnsoup-file-name nnsoup-tmp-directory "areas")))
+ (when areas-file
+ (save-excursion
+ (set-buffer nntp-server-buffer)
+ (let ((areas (gnus-soup-parse-areas areas-file))
+ entry number area lnum cur-prefix file)
+ ;; Go through all areas in the new AREAS file.
+ (while (setq area (pop areas))
+ ;; Change the name to the permanent name and move the files.
+ (setq cur-prefix (nnsoup-next-prefix))
+ (nnheader-message 5 "Incorporating file %s..." cur-prefix)
+ (when (file-exists-p
+ (setq file (concat nnsoup-tmp-directory
+ (gnus-soup-area-prefix area) ".IDX")))
+ (rename-file file (nnsoup-file cur-prefix)))
+ (when (file-exists-p
+ (setq file (concat nnsoup-tmp-directory
+ (gnus-soup-area-prefix area) ".MSG")))
+ (rename-file file (nnsoup-file cur-prefix t))
+ (gnus-soup-set-area-prefix area cur-prefix)
+ ;; Find the number of new articles in this area.
+ (setq number (nnsoup-number-of-articles area))
+ (if (not (setq entry (assoc (gnus-soup-area-name area)
+ nnsoup-group-alist)))
+ ;; If this is a new area (group), we just add this info to
+ ;; the group alist.
+ (push (list (gnus-soup-area-name area)
+ (cons 1 number)
+ (list (cons 1 number) area))
+ nnsoup-group-alist)
+ ;; There are already articles in this group, so we add this
+ ;; info to the end of the entry.
+ (nconc entry (list (list (cons (1+ (setq lnum (cdadr entry)))
+ (+ lnum number))
+ area)))
+ (setcdr (cadr entry) (+ lnum number))))))
+ (nnsoup-write-active-file t)
+ (delete-file areas-file)))))
+
+(defun nnsoup-number-of-articles (area)
(save-excursion
- (set-buffer
- (setq nnsoup-current-buffer
- (find-file-noselect file)))
- (buffer-disable-undo (current-buffer))
- (let ((delim (concat "^" rmail-unix-mail-delimiter))
- start end
- (number 1))
- (goto-char (point-min))
- (while (re-search-forward delim nil t)
- (setq start (match-beginning 0))
- (save-excursion
- (setq end (or (and (re-search-forward delim nil t)
- (match-beginning 0))
- (point-max))))
+ (cond
+ ;; If the number is in the area info, we just return it.
+ ((gnus-soup-area-number area)
+ (gnus-soup-area-number area))
+ ;; If there is an index file, we just count the lines.
+ ((/= (gnus-soup-encoding-index (gnus-soup-area-encoding area)) ?n)
+ (set-buffer (nnsoup-index-buffer (gnus-soup-area-prefix area)))
+ (count-lines (point-min) (point-max)))
+ ;; We do it the hard way - re-searching through the message
+ ;; buffer.
+ (t
+ (set-buffer (nnsoup-message-buffer (gnus-soup-area-prefix area)))
+ (unless (assoc (gnus-soup-area-prefix area) nnsoup-article-alist)
+ (nnsoup-dissect-buffer area))
+ (length (cdr (assoc (gnus-soup-area-prefix area)
+ nnsoup-article-alist)))))))
+
+(defun nnsoup-dissect-buffer (area)
+ (let ((mbox-delim (concat "^" message-unix-mail-delimiter))
+ (format (gnus-soup-encoding-format (gnus-soup-area-encoding area)))
+ (i 0)
+ alist len)
+ (goto-char (point-min))
+ (cond
+ ;; rnews batch format
+ ((or (= format ?u)
+ (= format ?n)) ;; Gnus back compatibility.
+ (while (looking-at "^#! *rnews \\(+[0-9]+\\) *$")
+ (forward-line 1)
+ (push (list
+ (incf i) (point)
+ (progn
+ (forward-char (string-to-number (match-string 1)))
+ (point)))
+ alist)))
+ ;; Unix mbox format
+ ((= format ?m)
+ (while (looking-at mbox-delim)
+ (forward-line 1)
+ (push (list
+ (incf i) (point)
+ (progn
+ (if (re-search-forward mbox-delim nil t)
+ (beginning-of-line)
+ (goto-char (point-max)))
+ (point)))
+ alist)))
+ ;; MMDF format
+ ((= format ?M)
+ (while (looking-at "\^A\^A\^A\^A\n")
+ (forward-line 1)
+ (push (list
+ (incf i) (point)
+ (progn
+ (if (search-forward "\n\^A\^A\^A\^A\n" nil t)
+ (beginning-of-line)
+ (goto-char (point-max)))
+ (point)))
+ alist)))
+ ;; Binary format
+ ((or (= format ?B) (= format ?b))
+ (while (not (eobp))
+ (setq len (+ (* (char-after (point)) (expt 2.0 24))
+ (* (char-after (+ (point) 1)) (expt 2 16))
+ (* (char-after (+ (point) 2)) (expt 2 8))
+ (char-after (+ (point) 3))))
+ (push (list
+ (incf i) (+ (point) 4)
+ (progn
+ (forward-char (floor (+ len 4)))
+ (point)))
+ alist)))
+ (t
+ (error "Unknown format: %c" format)))
+ (push (cons (gnus-soup-area-prefix area) alist) nnsoup-article-alist)))
+
+(defun nnsoup-index-buffer (prefix &optional message)
+ (let* ((file (concat prefix (if message ".MSG" ".IDX")))
+ (buffer-name (concat " *nnsoup " file "*")))
+ (or (get-buffer buffer-name) ; File already loaded.
+ (when (file-exists-p (concat nnsoup-directory file))
+ (save-excursion ; Load the file.
+ (set-buffer (get-buffer-create buffer-name))
+ (buffer-disable-undo)
+ (push (cons nnsoup-current-group (current-buffer)) nnsoup-buffers)
+ (nnheader-insert-file-contents (concat nnsoup-directory file))
+ (current-buffer))))))
+
+(defun nnsoup-file (prefix &optional message)
+ (expand-file-name
+ (concat nnsoup-directory prefix (if message ".MSG" ".IDX"))))
+
+(defun nnsoup-message-buffer (prefix)
+ (nnsoup-index-buffer prefix 'msg))
+
+(defun nnsoup-unpack-packets ()
+ "Unpack all packets in `nnsoup-packet-directory'."
+ (let ((packets (directory-files
+ nnsoup-packet-directory t nnsoup-packet-regexp))
+ packet)
+ (while (setq packet (pop packets))
+ (nnheader-message 5 "nnsoup: unpacking %s..." packet)
+ (if (not (gnus-soup-unpack-packet
+ nnsoup-tmp-directory nnsoup-unpacker packet))
+ (nnheader-message 5 "Couldn't unpack %s" packet)
+ (delete-file packet)
+ (nnsoup-read-areas)
+ (nnheader-message 5 "Unpacking...done")))))
+
+(defun nnsoup-narrow-to-article (article &optional area head)
+ (let* ((area (or area (nnsoup-article-to-area article nnsoup-current-group)))
+ (prefix (and area (gnus-soup-area-prefix (nth 1 area))))
+ (msg-buf (and prefix (nnsoup-index-buffer prefix 'msg)))
+ beg end)
+ (when area
+ (save-excursion
+ (cond
+ ;; There is no MSG file.
+ ((null msg-buf)
+ nil)
+ ;; We use the index file to find out where the article
+ ;; begins and ends.
+ ((and (= (gnus-soup-encoding-index
+ (gnus-soup-area-encoding (nth 1 area)))
+ ?c)
+ (file-exists-p (nnsoup-file prefix)))
+ (set-buffer (nnsoup-index-buffer prefix))
+ (widen)
+ (goto-char (point-min))
+ (forward-line (- article (caar area)))
+ (setq beg (read (current-buffer)))
+ (forward-line 1)
+ (if (looking-at "[0-9]+")
+ (progn
+ (setq end (read (current-buffer)))
+ (set-buffer msg-buf)
+ (widen)
+ (let ((format (gnus-soup-encoding-format
+ (gnus-soup-area-encoding (nth 1 area)))))
+ (goto-char end)
+ (when (or (= format ?u) (= format ?n) (= format ?m))
+ (setq end (progn (forward-line -1) (point))))))
+ (set-buffer msg-buf))
+ (widen)
+ (narrow-to-region beg (or end (point-max))))
+ (t
+ (set-buffer msg-buf)
+ (widen)
+ (unless (assoc (gnus-soup-area-prefix (nth 1 area))
+ nnsoup-article-alist)
+ (nnsoup-dissect-buffer (nth 1 area)))
+ (let ((entry (assq article (cdr (assoc (gnus-soup-area-prefix
+ (nth 1 area))
+ nnsoup-article-alist)))))
+ (when entry
+ (narrow-to-region (cadr entry) (caddr entry))))))
+ (goto-char (point-min))
+ (if (not head)
+ ()
+ (narrow-to-region
+ (point-min)
+ (if (search-forward "\n\n" nil t)
+ (1- (point))
+ (point-max))))
+ msg-buf))))
+
+;;;###autoload
+(defun nnsoup-pack-replies ()
+ "Make an outbound package of SOUP replies."
+ (interactive)
+ (unless (file-exists-p nnsoup-replies-directory)
+ (nnheader-message 5 "No such directory: %s" nnsoup-replies-directory))
+ ;; Write all data buffers.
+ (gnus-soup-save-areas)
+ ;; Write the active file.
+ (nnsoup-write-active-file)
+ ;; Write the REPLIES file.
+ (nnsoup-write-replies)
+ ;; Check whether there is anything here.
+ (when (null (directory-files nnsoup-replies-directory nil "\\.MSG$"))
+ (error "No files to pack"))
+ ;; Pack all these files into a SOUP packet.
+ (gnus-soup-pack nnsoup-replies-directory nnsoup-packer))
+
+(defun nnsoup-write-replies ()
+ "Write the REPLIES file."
+ (when nnsoup-replies-list
+ (gnus-soup-write-replies nnsoup-replies-directory nnsoup-replies-list)
+ (setq nnsoup-replies-list nil)))
+
+(defun nnsoup-article-to-area (article group)
+ "Return the area that ARTICLE in GROUP is located in."
+ (let ((areas (cddr (assoc group nnsoup-group-alist))))
+ (while (and areas (< (cdaar areas) article))
+ (setq areas (cdr areas)))
+ (and areas (car areas))))
+
+(defvar nnsoup-old-functions
+ (list message-send-mail-function message-send-news-function))
+
+;;;###autoload
+(defun nnsoup-set-variables ()
+ "Use the SOUP methods for posting news and mailing mail."
+ (interactive)
+ (setq message-send-news-function 'nnsoup-request-post)
+ (setq message-send-mail-function 'nnsoup-request-mail))
+
+;;;###autoload
+(defun nnsoup-revert-variables ()
+ "Revert posting and mailing methods to the standard Emacs methods."
+ (interactive)
+ (setq message-send-mail-function (car nnsoup-old-functions))
+ (setq message-send-news-function (cadr nnsoup-old-functions)))
+
+(defun nnsoup-store-reply (kind)
+ ;; Mostly stolen from `message.el'.
+ (require 'mail-utils)
+ (let ((tembuf (generate-new-buffer " message temp"))
+ (case-fold-search nil)
+ delimline
+ (mailbuf (current-buffer)))
+ (unwind-protect
(save-excursion
(save-restriction
- (narrow-to-region start end)
- (nnmail-insert-lines)
- (save-excursion
- (goto-char (point-min))
- (if (search-forward "\n\n" nil t)
- (progn
- (forward-char -1)
- (insert (format "X-Gnus-Article-Number: %d %s\n"
- number (current-time-string))))))
- (setq number (1+ number))))
- (goto-char end)))
- (set-buffer-modified-p nil)
- (current-buffer)))
-
-(defun nnsoup-find-active ()
- (set-buffer nntp-server-buffer)
- (erase-buffer)
- (or nnsoup-areas-list (nnsoup-read-areas))
- (condition-case ()
- (progn
- (let ((areas nnsoup-areas-list)
- area)
- (while areas
- (setq area (car areas)
- areas (cdr areas))
- (insert (format "%s %s 1 y\n" (aref area 1) (aref area 4)))))
- t)
- (file-error nil)))
-
-(defun nnsoup-read-areas ()
- (setq nnsoup-areas-list (gnus-soup-parse-areas nnsoup-areas-file))
- (let ((areas nnsoup-areas-list)
- area)
- (while areas
- (setq area (car areas)
- areas (cdr areas))
- (aset area 4 (nnsoup-count-area area)))))
-
-(defun nnsoup-count-area (area)
- (or (aref area 4)
- (number-to-string
- (nnsoup-count-mbox (concat nnsoup-directory (aref area 0) ".MSG")))))
-
-(defun nnsoup-count-mbox (file)
- (let ((delete (find-buffer-visiting file))
- (num 0)
- (delim (concat "^" rmail-unix-mail-delimiter)))
- (save-excursion
- (set-buffer (find-file-noselect file))
+ (message-narrow-to-headers)
+ (if (equal kind "mail")
+ (message-generate-headers message-required-mail-headers)
+ (message-generate-headers message-required-news-headers)))
+ (set-buffer tembuf)
+ (erase-buffer)
+ (insert-buffer-substring mailbuf)
+ ;; Remove some headers.
+ (save-restriction
+ (message-narrow-to-headers)
+ ;; Remove some headers.
+ (message-remove-header message-ignored-mail-headers t))
+ (goto-char (point-max))
+ ;; require one newline at the end.
+ (or (= (preceding-char) ?\n)
+ (insert ?\n))
+ (let ((case-fold-search t))
+ ;; Change header-delimiter to be what sendmail expects.
+ (goto-char (point-min))
+ (re-search-forward
+ (concat "^" (regexp-quote mail-header-separator) "\n"))
+ (replace-match "\n")
+ (backward-char 1)
+ (setq delimline (point-marker))
+ (goto-char (1+ delimline))
+ (let ((msg-buf
+ (gnus-soup-store
+ nnsoup-replies-directory
+ (nnsoup-kind-to-prefix kind) nil nnsoup-replies-format-type
+ nnsoup-replies-index-type))
+ (num 0))
+ (when (and msg-buf (bufferp msg-buf))
+ (save-excursion
+ (set-buffer msg-buf)
+ (goto-char (point-min))
+ (while (re-search-forward "^#! *rnews" nil t)
+ (incf num))
+ (when nnsoup-always-save
+ (save-buffer)))
+ (nnheader-message 5 "Stored %d messages" num)))
+ (nnsoup-write-replies)
+ (kill-buffer tembuf))))))
+
+(defun nnsoup-kind-to-prefix (kind)
+ (unless nnsoup-replies-list
+ (setq nnsoup-replies-list
+ (gnus-soup-parse-replies
+ (concat nnsoup-replies-directory "REPLIES"))))
+ (let ((replies nnsoup-replies-list))
+ (while (and replies
+ (not (string= kind (gnus-soup-reply-kind (car replies)))))
+ (setq replies (cdr replies)))
+ (if replies
+ (gnus-soup-reply-prefix (car replies))
+ (push (vector (gnus-soup-unique-prefix nnsoup-replies-directory)
+ kind
+ (format "%c%c%c"
+ nnsoup-replies-format-type
+ nnsoup-replies-index-type
+ (if (string= kind "news")
+ ?n ?m)))
+ nnsoup-replies-list)
+ (gnus-soup-reply-prefix (car nnsoup-replies-list)))))
+
+(defun nnsoup-make-active ()
+ "(Re-)create the SOUP active file."
+ (interactive)
+ (let ((files (sort (directory-files nnsoup-directory t "IDX$")
+ (lambda (f1 f2)
+ (< (progn (string-match "/\\([0-9]+\\)\\." f1)
+ (string-to-int (match-string 1 f1)))
+ (progn (string-match "/\\([0-9]+\\)\\." f2)
+ (string-to-int (match-string 1 f2)))))))
+ active group lines ident elem min)
+ (set-buffer (get-buffer-create " *nnsoup work*"))
+ (while files
+ (nnheader-message 5 "Doing %s..." (car files))
+ (erase-buffer)
+ (nnheader-insert-file-contents (car files))
(goto-char (point-min))
- (while (re-search-forward delim nil t)
- (setq num (1+ num)))
- (if delete (kill-buffer delete))
- num)))
-
-(defun nnsoup-group-file (group)
- (let ((areas nnsoup-areas-list)
- area result)
- (while areas
- (setq area (car areas)
- areas (cdr areas))
- (if (equal (aref area 1) group)
- (setq result (concat nnsoup-directory (aref area 0) ".MSG"))))
- result))
+ (if (not (re-search-forward "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t *\\(Xref: \\)? *[^ ]* \\([^ ]+\\):[0-9]" nil t))
+ (setq group "unknown")
+ (setq group (match-string 2)))
+ (setq lines (count-lines (point-min) (point-max)))
+ (setq ident (progn (string-match
+ "/\\([0-9]+\\)\\." (car files))
+ (substring
+ (car files) (match-beginning 1)
+ (match-end 1))))
+ (if (not (setq elem (assoc group active)))
+ (push (list group (cons 1 lines)
+ (list (cons 1 lines)
+ (vector ident group "ucm" "" lines)))
+ active)
+ (nconc elem
+ (list
+ (list (cons (1+ (setq min (cdadr elem)))
+ (+ min lines))
+ (vector ident group "ucm" "" lines))))
+ (setcdr (cadr elem) (+ min lines)))
+ (setq files (cdr files)))
+ (nnheader-message 5 "")
+ (setq nnsoup-group-alist active)
+ (nnsoup-write-active-file t)))
+
+(defun nnsoup-delete-unreferenced-message-files ()
+ "Delete any *.MSG and *.IDX files that aren't known by nnsoup."
+ (interactive)
+ (let* ((known (apply 'nconc (mapcar
+ (lambda (ga)
+ (mapcar
+ (lambda (area)
+ (gnus-soup-area-prefix (cadr area)))
+ (cddr ga)))
+ nnsoup-group-alist)))
+ (regexp "\\.MSG$\\|\\.IDX$")
+ (files (directory-files nnsoup-directory nil regexp))
+ non-files file)
+ ;; Find all files that aren't known by nnsoup.
+ (while (setq file (pop files))
+ (string-match regexp file)
+ (unless (member (substring file 0 (match-beginning 0)) known)
+ (push file non-files)))
+ ;; Sort and delete the files.
+ (setq non-files (sort non-files 'string<))
+ (map-y-or-n-p "Delete file %s? "
+ (lambda (file) (delete-file (concat nnsoup-directory file)))
+ non-files)))
(provide 'nnsoup)