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+;;; nnagent.el --- offline backend for Gnus
+;; Copyright (C) 1997,98 Free Software Foundation, Inc.
+
+;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
+;; 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)
+
+(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 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"))
+
+;; Use nnml functions for just about everything.
+(nnoo-import nnagent
+  (nnml))
+
+
+;;; Internal functions.
+
+(provide 'nnagent)
+
+;;; nnagent.el ends here