+++ /dev/null
-;;; nndraft.el --- draft article access for Gnus
-;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000
-;; Free Software Foundation, Inc.
-
-;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
-;; Keywords: news
-
-;; 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.
-
-;; GNU Emacs is distributed in the hope that it will be useful,
-;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-;; 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.
-
-;;; Commentary:
-
-;;; Code:
-
-(eval-when-compile (require 'cl))
-
-(require 'nnheader)
-(require 'nnmail)
-(require 'gnus-start)
-(require 'nnmh)
-(require 'nnoo)
-
-(nnoo-declare nndraft
- nnmh)
-
-(defvoo nndraft-directory (nnheader-concat gnus-directory "drafts/")
- "Where nndraft will store its files."
- nnmh-directory)
-
-\f
-
-(defvoo nndraft-current-group "" nil nnmh-current-group)
-(defvoo nndraft-get-new-mail nil nil nnmh-get-new-mail)
-(defvoo nndraft-current-directory nil nil nnmh-current-directory)
-
-(defconst nndraft-version "nndraft 1.0")
-(defvoo nndraft-status-string "" nil nnmh-status-string)
-
-\f
-
-;;; Interface functions.
-
-(nnoo-define-basics nndraft)
-
-(deffoo nndraft-open-server (server &optional defs)
- (nnoo-change-server 'nndraft server defs)
- (cond
- ((not (file-exists-p nndraft-directory))
- (nndraft-close-server)
- (nnheader-report 'nndraft "No such file or directory: %s"
- nndraft-directory))
- ((not (file-directory-p (file-truename nndraft-directory)))
- (nndraft-close-server)
- (nnheader-report 'nndraft "Not a directory: %s" nndraft-directory))
- (t
- (nnheader-report 'nndraft "Opened server %s using directory %s"
- server nndraft-directory)
- t)))
-
-(deffoo nndraft-retrieve-headers (articles &optional group server fetch-old)
- (nndraft-possibly-change-group group)
- (save-excursion
- (set-buffer nntp-server-buffer)
- (erase-buffer)
- (let* (article)
- ;; We don't support fetching by Message-ID.
- (if (stringp (car articles))
- 'headers
- (while articles
- (narrow-to-region (point) (point))
- (when (nndraft-request-article
- (setq article (pop articles)) group server (current-buffer))
- (goto-char (point-min))
- (if (search-forward "\n\n" nil t)
- (forward-line -1)
- (goto-char (point-max)))
- (delete-region (point) (point-max))
- (goto-char (point-min))
- (insert (format "221 %d Article retrieved.\n" article))
- (widen)
- (goto-char (point-max))
- (insert ".\n")))
-
- (nnheader-fold-continuation-lines)
- 'headers))))
-
-(deffoo nndraft-request-article (id &optional group server buffer)
- (nndraft-possibly-change-group group)
- (when (numberp id)
- ;; We get the newest file of the auto-saved file and the
- ;; "real" file.
- (let* ((file (nndraft-article-filename id))
- (auto (nndraft-auto-save-file-name file))
- (newest (if (file-newer-than-file-p file auto) file auto))
- (nntp-server-buffer (or buffer nntp-server-buffer)))
- (when (and (file-exists-p newest)
- (let ((nnmail-file-coding-system nnheader-text-coding-system))
- (nnmail-find-file newest)))
- (save-excursion
- (set-buffer nntp-server-buffer)
- (goto-char (point-min))
- ;; If there's a mail header separator in this file,
- ;; we remove it.
- (when (re-search-forward
- (concat "^" mail-header-separator "$") nil t)
- (replace-match "" t t)))
- t))))
-
-(deffoo nndraft-request-restore-buffer (article &optional group server)
- "Request a new buffer that is restored to the state of ARTICLE."
- (nndraft-possibly-change-group group)
- (when (nndraft-request-article article group server (current-buffer))
- (message-remove-header "xref")
- (message-remove-header "lines")
- ;; Articles in nndraft:queue are considered as sent messages. The
- ;; Date field should be the time when they are sent.
- ;;(message-remove-header "date")
- t))
-
-(deffoo nndraft-request-update-info (group info &optional server)
- (nndraft-possibly-change-group group)
- (gnus-info-set-read
- info
- (gnus-update-read-articles (gnus-group-prefixed-name group '(nndraft ""))
- (nndraft-articles) t))
- (let ((marks (nth 3 info)))
- (when marks
- ;; Nix out all marks except the `unsend'-able article marks.
- (setcar (nthcdr 3 info)
- (if (assq 'unsend marks)
- (list (assq 'unsend marks))
- nil))))
- t)
-
-(deffoo nndraft-request-associate-buffer (group)
- "Associate the current buffer with some article in the draft group."
- (nndraft-open-server "")
- (nndraft-request-group group)
- (nndraft-possibly-change-group group)
- (let ((gnus-verbose-backends nil)
- (buf (current-buffer))
- article file)
- (with-temp-buffer
- (insert-buffer-substring buf)
- (setq article (nndraft-request-accept-article
- group (nnoo-current-server 'nndraft) t 'noinsert)
- file (nndraft-article-filename article)))
- (setq buffer-file-name (expand-file-name file)
- buffer-auto-save-file-name (make-auto-save-file-name))
- (clear-visited-file-modtime)
- article))
-
-(deffoo nndraft-request-group (group &optional server dont-check)
- (nndraft-possibly-change-group group)
- (unless dont-check
- (let* ((pathname (nnmail-group-pathname group nndraft-directory))
- (file-name-coding-system nnmail-pathname-coding-system)
- dir file)
- (nnheader-re-read-dir pathname)
- (setq dir (mapcar (lambda (name) (string-to-int (substring name 1)))
- (directory-files pathname nil "^#[0-9]+#$" t)))
- (dolist (n dir)
- (unless (file-exists-p
- (setq file (expand-file-name (int-to-string n) pathname)))
- (rename-file (nndraft-auto-save-file-name file) file)))))
- (nnoo-parent-function 'nndraft
- 'nnmh-request-group
- (list group server dont-check)))
-
-(deffoo nndraft-request-expire-articles (articles group &optional server force)
- (nndraft-possibly-change-group group)
- (let* ((nnmh-allow-delete-final t)
- (res (nnoo-parent-function 'nndraft
- 'nnmh-request-expire-articles
- (list articles group server force)))
- article)
- ;; Delete all the "state" files of articles that have been expired.
- (while articles
- (unless (memq (setq article (pop articles)) res)
- (let ((auto (nndraft-auto-save-file-name
- (nndraft-article-filename article))))
- (when (file-exists-p auto)
- (funcall nnmail-delete-file-function auto)))
- (dolist (backup
- (let ((kept-new-versions 1)
- (kept-old-versions 0))
- (find-backup-file-name
- (nndraft-article-filename article))))
- (when (file-exists-p backup)
- (funcall nnmail-delete-file-function backup)))))
- res))
-
-(deffoo nndraft-request-accept-article (group &optional server last noinsert)
- (nndraft-possibly-change-group group)
- (let ((gnus-verbose-backends nil))
- (nnoo-parent-function 'nndraft 'nnmh-request-accept-article
- (list group server last noinsert))))
-
-(deffoo nndraft-request-replace-article (article group buffer)
- (nndraft-possibly-change-group group)
- (let ((nnmail-file-coding-system nnheader-text-coding-system))
- (nnoo-parent-function 'nndraft 'nnmh-request-replace-article
- (list article group buffer))))
-
-(deffoo nndraft-request-create-group (group &optional server args)
- (nndraft-possibly-change-group group)
- (if (file-exists-p nndraft-current-directory)
- (if (file-directory-p nndraft-current-directory)
- t
- nil)
- (condition-case ()
- (progn
- (gnus-make-directory nndraft-current-directory)
- t)
- (file-error nil))))
-
-\f
-;;; Low-Level Interface
-
-(defun nndraft-possibly-change-group (group)
- (when (and group
- (not (equal group nndraft-current-group)))
- (nndraft-open-server "")
- (setq nndraft-current-group group)
- (setq nndraft-current-directory
- (nnheader-concat nndraft-directory group))))
-
-(defun nndraft-article-filename (article &rest args)
- (apply 'concat
- (file-name-as-directory nndraft-current-directory)
- (int-to-string article)
- args))
-
-(defun nndraft-auto-save-file-name (file)
- (save-excursion
- (prog1
- (progn
- (set-buffer (get-buffer-create " *draft tmp*"))
- (setq buffer-file-name file)
- (make-auto-save-file-name))
- (kill-buffer (current-buffer)))))
-
-(defun nndraft-articles ()
- "Return the list of messages in the group."
- (gnus-make-directory nndraft-current-directory)
- (sort
- (mapcar 'string-to-int
- (directory-files nndraft-current-directory nil "\\`[0-9]+\\'" t))
- '<))
-
-(nnoo-import nndraft
- (nnmh
- nnmh-retrieve-headers
- nnmh-request-group
- nnmh-close-group
- nnmh-request-list
- nnmh-request-newsgroups
- nnmh-request-move-article))
-
-(provide 'nndraft)
-
-;;; nndraft.el ends here
projects / elisp / gnus.git- / blobdiff