1 ;;; nndb.el --- nndb access for Gnus
2 ;; Copyright (C) 1996 Free Software Foundation, Inc.
4 ;; Author: Kai Grossjohann <grossjohann@ls6.informatik.uni-dortmund.de>
7 ;; This file is part of GNU Emacs.
9 ;; GNU Emacs is free software; you can redistribute it and/or modify
10 ;; it under the terms of the GNU General Public License as published by
11 ;; the Free Software Foundation; either version 2, or (at your option)
14 ;; GNU Emacs is distributed in the hope that it will be useful,
15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 ;; GNU General Public License for more details.
19 ;; You should have received a copy of the GNU General Public License
20 ;; along with GNU Emacs; see the file COPYING. If not, write to the
21 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 ;; Boston, MA 02111-1307, USA.
26 ;; I have shamelessly snarfed the code of nntp.el from sgnus.
31 ;; Register nndb with known select methods.
33 (setq gnus-valid-select-methods
34 (cons '("nndb" mail address respool prompt-address)
35 gnus-valid-select-methods))
44 (eval-when-compile (require 'cl))
47 (unless (fboundp 'open-network-stream)
50 (eval-when-compile (require 'cl))
53 (autoload 'news-setup "rnewspost")
54 (autoload 'news-reply-mode "rnewspost")
55 (autoload 'cancel-timer "timer")
56 (autoload 'telnet "telnet" nil t)
57 (autoload 'telnet-send-input "telnet" nil t)
58 (autoload 'timezone-parse-date "timezone"))
60 ;; Declare nndb as derived from nntp
62 (nnoo-declare nndb nntp)
64 ;; Variables specific to nndb
66 ;;- currently not used but just in case...
67 (defvoo nndb-deliver-program "nndel"
68 "*The program used to put a message in an NNDB group.")
70 ;; Variables copied from nntp
72 (defvoo nndb-server-opened-hook '(nntp-send-authinfo-from-file)
73 "Like nntp-server-opened-hook."
74 nntp-server-opened-hook)
76 ;(defvoo nndb-rlogin-parameters '("telnet" "${NNDBSERVER:=localhost}" "9000")
77 ; "*Parameters to nndb-open-login. Like nntp-rlogin-parameters."
78 ; nntp-rlogin-parameters)
80 ;(defvoo nndb-rlogin-user-name nil
81 ; "*User name for rlogin connect method."
82 ; nntp-rlogin-user-name)
84 (defvoo nndb-address "localhost"
85 "*The name of the NNDB server."
88 (defvoo nndb-port-number 9000
89 "*Port number to connect to."
92 ;(defvoo nndb-current-group ""
93 ; "Like nntp-current-group."
96 (defvoo nndb-status-string nil "" nntp-status-string)
100 (defconst nndb-version "nndb 0.3"
101 "Version numbers of this version of NNDB.")
104 ;;; Interface functions.
106 (nnoo-define-basics nndb)
108 ;;- maybe this should be mail??
109 ;;-(defun nndb-request-type (group &optional article)
112 ;;------------------------------------------------------------------
113 ;;- only new stuff below
115 ; nndb-request-update-info does not exist and is not needed
117 ; nndb-request-update-mark does not exist and is not needed
119 ; nndb-request-scan does not exist
120 ; get new mail from somewhere -- maybe this is not needed?
123 (deffoo nndb-request-create-group (group &optional server)
124 "Creates a group if it doesn't exist yet."
125 (nntp-send-command "^[23].*\n" "MKGROUP" group))
127 ; todo -- use some other time than the creation time of the article
128 ; best is time since article has been marked as expirable
129 (deffoo nndb-request-expire-articles
130 (articles &optional group server force)
131 "Expires ARTICLES from GROUP on SERVER.
132 If FORCE, delete regardless of exiration date, otherwise use normal
135 (nntp-possibly-change-server group server) ;;-
137 (setq art (pop articles))
138 (nntp-send-command "^\\([23]\\|^423\\).*\n" "DATE" art)
139 (setq msg (nndb-status-message))
140 ;; CCC we shouldn't be using the variable nndb-status-string?
141 (if (string-match "^423" (nnheader-get-report 'nndb))
143 (or (string-match "\\([0-9]+\\) \\([0-9]+\\)$" msg)
144 (error "Not a valid response for DATE command: %s"
146 (if (nnmail-expired-article-p
149 (substring msg (match-beginning 1) (match-end 1)))
151 (substring msg (match-beginning 2) (match-end 2))))
153 (nnheader-message 5 "Deleting article %s in %s..."
155 (nntp-send-command "^[23].*\n" "DELETE" art))))))
157 (deffoo nndb-request-move-article
158 (article group server accept-form &optional last)
159 "Move ARTICLE (a number) from GROUP on SERVER.
160 Evals ACCEPT-FORM in current buffer, where the article is.
161 Optional LAST is ignored."
162 (let ((artbuf (get-buffer-create " *nndb move*")))
164 (nndb-request-article article group server artbuf)
167 (setq result (eval accept-form))
168 (kill-buffer (current-buffer))
170 (nndb-request-expire-articles (list article)
176 (deffoo nndb-request-accept-article (group server &optional last)
177 "The article in the current buffer is put into GROUP."
178 (nntp-possibly-change-server group server) ;;-
180 (when (nntp-send-command "^[23].*\r?\n" "ACCEPT" group)
183 (nntp-send-region-to-server (point-min) (point-max))
184 ;; 1.2a NNTP's post command is buggy. "^M" (\r) is not
185 ;; appended to end of the status message.
186 (nntp-wait-for-response "^[23].*\n")
187 (setq statmsg (nntp-status-message))
188 (or (string-match "^\\([0-9]+\\)" statmsg)
189 (error "nndb: %s" statmsg))
190 (setq art (substring statmsg
193 (message "nndb: accepted %s" art)
196 (deffoo nndb-request-replace-article (article group buffer)
197 "ARTICLE is the number of the article in GROUP to be replaced
198 with the contents of the BUFFER."
201 (when (nntp-send-command "^[23].*\r?\n" "REPLACE" (int-to-string article))
204 (nntp-send-region-to-server (point-min) (point-max))
205 ;; 1.2a NNTP's post command is buggy. "^M" (\r) is not
206 ;; appended to end of the status message.
207 (nntp-wait-for-response "^[23].*\n")
208 ; (setq statmsg (nntp-status-message))
209 ; (or (string-match "^\\([0-9]+\\)" statmsg)
210 ; (error "nndb: %s" statmsg))
211 ; (setq art (substring statmsg
212 ; (match-beginning 1)
214 ; (message "nndb: replaced %s" art)
215 (list (int-to-string article)))))
217 ; nndb-request-delete-group does not exist
218 ; todo -- maybe later
220 ; nndb-request-rename-group does not exist
221 ; todo -- maybe later
223 ;; Import stuff from nntp
227 ;; Import other stuff from nntp as is.