[bpt/emacs.git] / lisp / gnus / nnnil.el

;;; nnnil.el --- empty backend for Gnus
;; Public domain.

;; Author: Paul Jarc <prj@po.cwru.edu>

;; 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:

;; nnnil is a Gnus backend that provides no groups or articles.  It's useful
;; as a primary select method when you want all your real select methods to
;; be secondary or foreign.

;;; Code:

(eval-and-compile
  (require 'nnheader))

(defvar nnnil-status-string "")

(defun nnnil-retrieve-headers (articles &optional group server fetch-old)
  (save-excursion
    (set-buffer nntp-server-buffer)
    (erase-buffer))
  'nov)

(defun nnnil-open-server (server &optional definitions)
  t)

(defun nnnil-close-server (&optional server)
  t)

(defun nnnil-request-close ()
  t)

(defun nnnil-server-opened (&optional server)
  t)

(defun nnnil-status-message (&optional server)
  nnnil-status-string)

(defun nnnil-request-article (article &optional group server to-buffer)
  (setq nnnil-status-string "No such group")
  nil)

(defun nnnil-request-group (group &optional server fast)
  (let (deactivate-mark)
    (save-excursion
      (set-buffer nntp-server-buffer)
      (erase-buffer)
      (insert "411 no such news group\n")))
  (setq nnnil-status-string "No such group")
  nil)

(defun nnnil-close-group (group &optional server)
  t)

(defun nnnil-request-list (&optional server)
  (save-excursion
    (set-buffer nntp-server-buffer)
    (erase-buffer))
  t)

(defun nnnil-request-post (&optional server)
  (setq nnnil-status-string "Read-only server")
  nil)

(provide 'nnnil)

;;; arch-tag: a982a1a3-bc5e-4fb1-a233-d7657a3e3257
Commit	Line	Data
23f87bed MB	1	;;; nnnil.el --- empty backend for Gnus
	2	;; Public domain.
	3
	4	;; Author: Paul Jarc <prj@po.cwru.edu>
	5
	6	;; GNU Emacs is free software; you can redistribute it and/or modify
	7	;; it under the terms of the GNU General Public License as published by
	8	;; the Free Software Foundation; either version 2, or (at your option)
	9	;; any later version.
	10
	11	;; GNU Emacs is distributed in the hope that it will be useful,
	12	;; but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	;; GNU General Public License for more details.
	15
	16	;; You should have received a copy of the GNU General Public License
	17	;; along with GNU Emacs; see the file COPYING. If not, write to the
	18	;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
	19	;; Boston, MA 02111-1307, USA.
	20
	21	;;; Commentary:
	22
	23	;; nnnil is a Gnus backend that provides no groups or articles. It's useful
	24	;; as a primary select method when you want all your real select methods to
	25	;; be secondary or foreign.
	26
	27	;;; Code:
	28
	29	(eval-and-compile
	30	(require 'nnheader))
	31
	32	(defvar nnnil-status-string "")
	33
	34	(defun nnnil-retrieve-headers (articles &optional group server fetch-old)
	35	(save-excursion
	36	(set-buffer nntp-server-buffer)
	37	(erase-buffer))
	38	'nov)
	39
	40	(defun nnnil-open-server (server &optional definitions)
	41	t)
	42
	43	(defun nnnil-close-server (&optional server)
	44	t)
	45
	46	(defun nnnil-request-close ()
	47	t)
	48
	49	(defun nnnil-server-opened (&optional server)
	50	t)
	51
	52	(defun nnnil-status-message (&optional server)
	53	nnnil-status-string)
	54
	55	(defun nnnil-request-article (article &optional group server to-buffer)
	56	(setq nnnil-status-string "No such group")
	57	nil)
	58
	59	(defun nnnil-request-group (group &optional server fast)
	60	(let (deactivate-mark)
	61	(save-excursion
	62	(set-buffer nntp-server-buffer)
	63	(erase-buffer)
	64	(insert "411 no such news group\n")))
65	(setq nnnil-status-string "No such group")
66	nil)
67
68	(defun nnnil-close-group (group &optional server)
69	t)
70
71	(defun nnnil-request-list (&optional server)
72	(save-excursion
73	(set-buffer nntp-server-buffer)
74	(erase-buffer))
75	t)
76
77	(defun nnnil-request-post (&optional server)
78	(setq nnnil-status-string "Read-only server")
79	nil)
80
81	(provide 'nnnil)
82
83	;;; arch-tag: a982a1a3-bc5e-4fb1-a233-d7657a3e3257