;;; nndir.el --- single directory newsgroup access for Gnus
-;; Copyright (C) 1995 Free Software Foundation, Inc.
-;; Author: Lars Ingebrigtsen <larsi@ifi.uio.no>
-;; Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
-;; Keywords: news, mail
+;; Copyright (C) 1995-2015 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
+;; 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.
+;; the Free Software Foundation, either version 3 of the License, 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
;; 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. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
(require 'nnheader)
(require 'nnmh)
(require 'nnml)
+(require 'nnoo)
+(eval-when-compile (require 'cl))
-\f
-
-(defconst nndir-version "nndir 0.0")
+(nnoo-declare nndir
+ nnml nnmh)
-(defvar nndir-current-directory nil
- "Current news group directory.")
+(defvoo nndir-directory nil
+ "Where nndir will look for groups."
+ nnml-current-directory nnmh-current-directory)
-(defvar nndir-status-string "")
-
-(defvar nndir-nov-is-evil nil
- "*Non-nil means that nndir will never retrieve NOV headers.")
+(defvoo nndir-nov-is-evil nil
+ "*Non-nil means that nndir will never retrieve NOV headers."
+ nnml-nov-is-evil)
\f
-;;; Interface functions.
-
-
-(defun nndir-retrieve-headers (sequence &optional newsgroup server)
- (nndir-execute-nnml-command
- '(nnml-retrieve-headers sequence group server) server))
-
-(defun nndir-open-server (host &optional service)
- "Open nndir backend."
- (setq nndir-status-string "")
- (nndir-open-server-internal host service))
-
-(defun nndir-close-server (&optional server)
- "Close news server."
- (nndir-close-server-internal))
-
-(defalias 'nndir-request-quit 'nndir-close-server)
-
-(defun nndir-server-opened (&optional server)
- "Return server process status, T or NIL.
-If the stream is opened, return T, otherwise return NIL."
- (and nntp-server-buffer
- (get-buffer nntp-server-buffer)))
+(defvoo nndir-current-group "" nil nnml-current-group nnmh-current-group)
+(defvoo nndir-top-directory nil nil nnml-directory nnmh-directory)
+(defvoo nndir-get-new-mail nil nil nnml-get-new-mail nnmh-get-new-mail)
-(defun nndir-status-message ()
- "Return server status response as string."
- nndir-status-string)
+(defvoo nndir-status-string "" nil nnmh-status-string)
+(defconst nndir-version "nndir 1.0")
-(defun nndir-request-article (id &optional newsgroup server buffer)
- (nndir-execute-nnmh-command
- '(nnmh-request-article id group server buffer) server))
-
-(defun nndir-request-group (group &optional server dont-check)
- "Select news GROUP."
- (nndir-execute-nnmh-command
- '(nnmh-request-group group "" dont-check) server))
-
-(defun nndir-request-list (&optional server dir)
- "Get list of active articles in all newsgroups."
- (nndir-execute-nnmh-command
- '(nnmh-request-list nil dir) server))
-
-(defun nndir-request-newgroups (date &optional server)
- (nndir-execute-nnmh-command
- '(nnmh-request-newgroups date server) server))
-
-(defun nndir-request-post (&optional server)
- "Post a new news in current buffer."
- (mail-send-and-exit nil))
-
-(fset 'nndir-request-post-buffer 'nnmail-request-post-buffer)
-
-(defun nndir-request-expire-articles (articles newsgroup &optional server force)
- "Expire all articles in the ARTICLES list in group GROUP."
- (setq nndir-status-string "nndir: expire not possible")
- nil)
-
-(defun nndir-close-group (group &optional server)
- t)
-
-(defun nndir-request-move-article (article group server accept-form)
- (setq nndir-status-string "nndir: move not possible")
- nil)
+\f
-(defun nndir-request-accept-article (group)
- (setq nndir-status-string "nndir: accept not possible")
- nil)
+;;; Interface functions.
-\f
-;;; Low-Level Interface
-
-(defun nndir-open-server-internal (host &optional service)
- "Open connection to news server on HOST by SERVICE."
- (save-excursion
- ;; Initialize communication buffer.
- (setq nntp-server-buffer (get-buffer-create " *nntpd*"))
- (set-buffer nntp-server-buffer)
- (buffer-disable-undo (current-buffer))
- (erase-buffer)
- (kill-all-local-variables)
- (setq case-fold-search t) ;Should ignore case.
- t))
-
-(defun nndir-close-server-internal ()
- "Close connection to news server."
- nil)
-
-(defun nndir-execute-nnmh-command (command server)
- (let ((dir (expand-file-name server)))
- (and (string-match "/$" dir)
- (setq dir (substring dir 0 (match-beginning 0))))
- (string-match "/[^/]+$" dir)
- (let ((group (substring dir (1+ (match-beginning 0))))
- (nnmh-directory (substring dir 0 (1+ (match-beginning 0))))
- (nnmh-get-new-mail nil))
- (eval command))))
-
-(defun nndir-execute-nnml-command (command server)
- (let ((dir (expand-file-name server)))
- (and (string-match "/$" dir)
- (setq dir (substring dir 0 (match-beginning 0))))
- (string-match "/[^/]+$" dir)
- (let ((group (substring dir (1+ (match-beginning 0))))
- (nnml-directory (substring dir 0 (1+ (match-beginning 0))))
- (nnml-nov-is-evil nndir-nov-is-evil)
- (nnml-get-new-mail nil))
- (eval command))))
+(nnoo-define-basics nndir)
+
+(deffoo nndir-open-server (server &optional defs)
+ (setq nndir-directory
+ (or (cadr (assq 'nndir-directory defs))
+ server))
+ (unless (assq 'nndir-directory defs)
+ (push `(nndir-directory ,server) defs))
+ (push `(nndir-current-group
+ ,(file-name-nondirectory (directory-file-name nndir-directory)))
+ defs)
+ (push `(nndir-top-directory
+ ,(file-name-directory (directory-file-name nndir-directory)))
+ defs)
+ (nnoo-change-server 'nndir server defs)
+ (let (err)
+ (cond
+ ((not (condition-case arg
+ (file-exists-p nndir-directory)
+ (ftp-error (setq err (format "%s" arg)))))
+ (nndir-close-server)
+ (nnheader-report
+ 'nndir (or err "No such file or directory: %s" nndir-directory)))
+ ((not (file-directory-p (file-truename nndir-directory)))
+ (nndir-close-server)
+ (nnheader-report 'nndir "Not a directory: %s" nndir-directory))
+ (t
+ (nnheader-report 'nndir "Opened server %s using directory %s"
+ server nndir-directory)
+ t))))
+
+(nnoo-map-functions nndir
+ (nnml-retrieve-headers 0 nndir-current-group 0 0)
+ (nnml-request-article 0 nndir-current-group 0 0)
+ (nnmh-request-group nndir-current-group 0 0)
+ (nnml-close-group nndir-current-group 0)
+ (nnml-request-list (nnoo-current-server 'nndir)))
(provide 'nndir)
projects / gnus / blobdiff