1 ;;; nnagent.el --- offline backend for Gnus
3 ;; Copyright (C) 1997, 1998, 1999, 2000, 2001
4 ;; Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
7 ;; Keywords: news, mail
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24 ;; Boston, MA 02111-1307, USA.
32 (eval-when-compile (require 'cl))
41 (defconst nnagent-version "nnagent 1.0")
43 (defvoo nnagent-directory nil
47 (defvoo nnagent-active-file nil
51 (defvoo nnagent-newsgroups-file nil
55 (defvoo nnagent-get-new-mail nil
59 ;;; Interface functions.
61 (nnoo-define-basics nnagent)
63 (defun nnagent-server (server)
64 (and server (format "%s+%s" (car gnus-command-method) server)))
66 (deffoo nnagent-open-server (server &optional defs)
68 `((nnagent-directory ,(gnus-agent-directory))
69 (nnagent-active-file ,(gnus-agent-lib-file "active"))
70 (nnagent-newsgroups-file ,(gnus-agent-lib-file "newsgroups"))
71 (nnagent-get-new-mail nil)))
72 (nnoo-change-server 'nnagent
73 (nnagent-server server)
75 (let ((dir (gnus-agent-directory))
78 ((not (condition-case arg
80 (ftp-error (setq err (format "%s" arg)))))
81 (nnagent-close-server)
84 (format "No such file or directory: %s" dir))))
85 ((not (file-directory-p (file-truename dir)))
86 (nnagent-close-server)
87 (nnheader-report 'nnagent "Not a directory: %s" dir))
89 (nnheader-report 'nnagent "Opened server %s using directory %s"
93 (deffoo nnagent-retrieve-groups (groups &optional server)
96 ((file-exists-p (gnus-agent-lib-file "groups"))
97 (nnmail-find-file (gnus-agent-lib-file "groups"))
99 ((file-exists-p (gnus-agent-lib-file "active"))
100 (nnmail-find-file (gnus-agent-lib-file "active"))
104 (defun nnagent-request-type (group article)
105 (unless (stringp article)
106 (let ((gnus-plugged t))
107 (if (not (gnus-check-backend-function
108 'request-type (car gnus-command-method)))
110 (funcall (gnus-get-function gnus-command-method 'request-type)
111 (gnus-group-real-name group) article)))))
113 (deffoo nnagent-request-newgroups (date server)
116 (deffoo nnagent-request-update-info (group info &optional server)
119 (deffoo nnagent-request-post (&optional server)
120 (gnus-agent-insert-meta-information 'news gnus-command-method)
121 (gnus-request-accept-article "nndraft:queue" nil t t))
123 (deffoo nnagent-request-set-mark (group action server)
125 (insert (format "(%s-request-set-mark \"%s\" '%s \"%s\")\n"
126 (nth 0 gnus-command-method) group action
127 (or server (nth 1 gnus-command-method))))
128 (append-to-file (point-min) (point-max) (gnus-agent-lib-file "flags")))
131 (deffoo nnagent-request-group (group &optional server dont-check)
132 (nnoo-parent-function 'nnagent 'nnml-request-group
133 (list group (nnagent-server server) dont-check)))
135 (deffoo nnagent-close-group (group &optional server)
136 (nnoo-parent-function 'nnagent 'nnml-close-group
137 (list group (nnagent-server server))))
139 (deffoo nnagent-request-accept-article (group &optional server last)
140 (nnoo-parent-function 'nnagent 'nnml-request-accept-article
141 (list group (nnagent-server server) last)))
143 (deffoo nnagent-request-article (id &optional group server buffer)
144 (nnoo-parent-function 'nnagent 'nnml-request-article
145 (list id group (nnagent-server server) buffer)))
147 (deffoo nnagent-request-create-group (group &optional server args)
148 (nnoo-parent-function 'nnagent 'nnml-request-create-group
149 (list group (nnagent-server server) args)))
151 (deffoo nnagent-request-delete-group (group &optional force server)
152 (nnoo-parent-function 'nnagent 'nnml-request-delete-group
153 (list group force (nnagent-server server))))
155 (deffoo nnagent-request-expire-articles (articles group &optional server force)
156 (nnoo-parent-function 'nnagent 'nnml-request-expire-articles
157 (list articles group (nnagent-server server) force)))
159 (deffoo nnagent-request-list (&optional server)
160 (nnoo-parent-function 'nnagent 'nnml-request-list
161 (list (nnagent-server server))))
163 (deffoo nnagent-request-list-newsgroups (&optional server)
164 (nnoo-parent-function 'nnagent 'nnml-request-list-newsgroups
165 (list (nnagent-server server))))
167 (deffoo nnagent-request-move-article
168 (article group server accept-form &optional last)
169 (nnoo-parent-function 'nnagent 'nnml-request-move-article
170 (list article group (nnagent-server server)
173 (deffoo nnagent-request-rename-group (group new-name &optional server)
174 (nnoo-parent-function 'nnagent 'nnml-request-rename-group
175 (list group new-name (nnagent-server server))))
177 (deffoo nnagent-request-scan (&optional group server)
178 (nnoo-parent-function 'nnagent 'nnml-request-scan
179 (list group (nnagent-server server))))
181 (deffoo nnagent-retrieve-headers (sequence &optional group server fetch-old)
182 (nnoo-parent-function 'nnagent 'nnml-retrieve-headers
183 (list sequence group (nnagent-server server) fetch-old)))
185 (deffoo nnagent-set-status (article name value &optional group server)
186 (nnoo-parent-function 'nnagent 'nnml-set-status
187 (list article name value group (nnagent-server server))))
189 (deffoo nnagent-server-opened (&optional server)
190 (nnoo-parent-function 'nnagent 'nnml-server-opened
191 (list (nnagent-server server))))
193 (deffoo nnagent-status-message (&optional server)
194 (nnoo-parent-function 'nnagent 'nnml-status-message
195 (list (nnagent-server server))))
197 (deffoo nnagent-request-regenerate (server)
198 (nnoo-parent-function 'nnagent 'nnml-request-regenerate
199 (list (nnagent-server server))))
201 ;; Use nnml functions for just about everything.
206 ;;; Internal functions.
210 ;;; nnagent.el ends here