;;; nnagent.el --- offline backend for Gnus ;; Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc. ;; Author: Lars Magne Ingebrigtsen ;; 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. ;; 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: (require 'nnheader) (require 'nnoo) (eval-when-compile (require 'cl)) (require 'gnus-agent) (require 'nnml) (nnoo-declare nnagent nnml) (defconst nnagent-version "nnagent 1.0") (defvoo nnagent-directory nil "Internal variable." nnml-directory) (defvoo nnagent-active-file nil "Internal variable." nnml-active-file) (defvoo nnagent-newsgroups-file nil "Internal variable." nnml-newsgroups-file) (defvoo nnagent-get-new-mail nil "Internal variable." nnml-get-new-mail) ;;; Interface functions. (nnoo-define-basics nnagent) (defun nnagent-server (server) (and server (format "%s+%s" (car gnus-command-method) server))) (deffoo nnagent-open-server (server &optional defs) (setq defs `((nnagent-directory ,(gnus-agent-directory)) (nnagent-active-file ,(gnus-agent-lib-file "active")) (nnagent-newsgroups-file ,(gnus-agent-lib-file "newsgroups")) (nnagent-get-new-mail nil))) (nnoo-change-server 'nnagent (nnagent-server server) defs) (let ((dir (gnus-agent-directory)) err) (cond ((not (condition-case arg (file-exists-p dir) (ftp-error (setq err (format "%s" arg))))) (nnagent-close-server) (nnheader-report 'nnagent (or err (format "No such file or directory: %s" dir)))) ((not (file-directory-p (file-truename dir))) (nnagent-close-server) (nnheader-report 'nnagent "Not a directory: %s" dir)) (t (nnheader-report 'nnagent "Opened server %s using directory %s" server dir) t)))) (deffoo nnagent-retrieve-groups (groups &optional server) (save-excursion (cond ((file-exists-p (gnus-agent-lib-file "groups")) (nnmail-find-file (gnus-agent-lib-file "groups")) 'groups) ((file-exists-p (gnus-agent-lib-file "active")) (nnmail-find-file (gnus-agent-lib-file "active")) 'active) (t nil)))) (defun nnagent-request-type (group article) (unless (stringp article) (let ((gnus-plugged t)) (if (not (gnus-check-backend-function 'request-type (car gnus-command-method))) 'unknown (funcall (gnus-get-function gnus-command-method 'request-type) (gnus-group-real-name group) article))))) (deffoo nnagent-request-newgroups (date server) nil) (deffoo nnagent-request-update-info (group info &optional server) nil) (deffoo nnagent-request-post (&optional server) (gnus-agent-insert-meta-information 'news gnus-command-method) (gnus-request-accept-article "nndraft:queue" nil t t)) (deffoo nnagent-request-set-mark (group action server) (with-temp-buffer (insert (format "(%s-request-set-mark \"%s\" '%s \"%s\")\n" (nth 0 gnus-command-method) group action (or server (nth 1 gnus-command-method)))) (append-to-file (point-min) (point-max) (gnus-agent-lib-file "flags"))) nil) (deffoo nnagent-request-group (group &optional server dont-check) (nnoo-parent-function 'nnagent 'nnml-request-group (list group (nnagent-server server) dont-check))) (deffoo nnagent-close-group (group &optional server) (nnoo-parent-function 'nnagent 'nnml-close-group (list group (nnagent-server server)))) (deffoo nnagent-request-accept-article (group &optional server last) (nnoo-parent-function 'nnagent 'nnml-request-accept-article (list group (nnagent-server server) last))) (deffoo nnagent-request-article (id &optional group server buffer) (nnoo-parent-function 'nnagent 'nnml-request-article (list id group (nnagent-server server) buffer))) (deffoo nnagent-request-create-group (group &optional server args) (nnoo-parent-function 'nnagent 'nnml-request-create-group (list group (nnagent-server server) args))) (deffoo nnagent-request-delete-group (group &optional force server) (nnoo-parent-function 'nnagent 'nnml-request-delete-group (list group force (nnagent-server server)))) (deffoo nnagent-request-expire-articles (articles group &optional server force) (nnoo-parent-function 'nnagent 'nnml-request-expire-articles (list articles group (nnagent-server server) force))) (deffoo nnagent-request-list (&optional server) (nnoo-parent-function 'nnagent 'nnml-request-list (list (nnagent-server server)))) (deffoo nnagent-request-list-newsgroups (&optional server) (nnoo-parent-function 'nnagent 'nnml-request-list-newsgroups (list (nnagent-server server)))) (deffoo nnagent-request-move-article (article group server accept-form &optional last) (nnoo-parent-function 'nnagent 'nnml-request-move-article (list article group (nnagent-server server) accept-form last))) (deffoo nnagent-request-rename-group (group new-name &optional server) (nnoo-parent-function 'nnagent 'nnml-request-rename-group (list group new-name (nnagent-server server)))) (deffoo nnagent-request-scan (&optional group server) (nnoo-parent-function 'nnagent 'nnml-request-scan (list group (nnagent-server server)))) (deffoo nnagent-retrieve-headers (sequence &optional group server fetch-old) (nnoo-parent-function 'nnagent 'nnml-retrieve-headers (list sequence group (nnagent-server server) fetch-old))) (deffoo nnagent-set-status (article name value &optional group server) (nnoo-parent-function 'nnagent 'nnml-set-status (list article name value group (nnagent-server server)))) (deffoo nnagent-server-opened (&optional server) (nnoo-parent-function 'nnagent 'nnml-server-opened (list (nnagent-server server)))) (deffoo nnagent-status-message (&optional server) (nnoo-parent-function 'nnagent 'nnml-status-message (list (nnagent-server server)))) ;; Use nnml functions for just about everything. (nnoo-import nnagent (nnml)) ;;; Internal functions. (provide 'nnagent) ;;; nnagent.el ends here