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230 lines
7.1 KiB
EmacsLisp
230 lines
7.1 KiB
EmacsLisp
;;; nndb.el --- nndb access for Gnus
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;; Copyright (C) 1996 Free Software Foundation, Inc.
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;; Author: Kai Grossjohann <grossjohann@ls6.informatik.uni-dortmund.de>
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;; Keywords: news
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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;;; Commentary:
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;; I have shamelessly snarfed the code of nntp.el from sgnus.
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;; Kai
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;;-
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;; Register nndb with known select methods.
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(setq gnus-valid-select-methods
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(cons '("nndb" mail address respool prompt-address)
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gnus-valid-select-methods))
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;;; Code:
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(require 'nnheader)
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(require 'nntp)
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(eval-when-compile (require 'cl))
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(eval-and-compile
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(unless (fboundp 'open-network-stream)
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(require 'tcp)))
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(eval-when-compile (require 'cl))
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(eval-and-compile
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(autoload 'news-setup "rnewspost")
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(autoload 'news-reply-mode "rnewspost")
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(autoload 'cancel-timer "timer")
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(autoload 'telnet "telnet" nil t)
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(autoload 'telnet-send-input "telnet" nil t)
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(autoload 'timezone-parse-date "timezone"))
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;; Declare nndb as derived from nntp
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(nnoo-declare nndb nntp)
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;; Variables specific to nndb
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;;- currently not used but just in case...
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(defvoo nndb-deliver-program "nndel"
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"*The program used to put a message in an NNDB group.")
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;; Variables copied from nntp
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(defvoo nndb-server-opened-hook '(nntp-send-authinfo-from-file)
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"Like nntp-server-opened-hook."
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nntp-server-opened-hook)
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;(defvoo nndb-rlogin-parameters '("telnet" "${NNDBSERVER:=localhost}" "9000")
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; "*Parameters to nndb-open-login. Like nntp-rlogin-parameters."
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; nntp-rlogin-parameters)
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;(defvoo nndb-rlogin-user-name nil
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; "*User name for rlogin connect method."
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; nntp-rlogin-user-name)
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(defvoo nndb-address "localhost"
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"*The name of the NNDB server."
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nntp-address)
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(defvoo nndb-port-number 9000
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"*Port number to connect to."
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nntp-port-number)
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;(defvoo nndb-current-group ""
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; "Like nntp-current-group."
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; nntp-current-group)
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(defvoo nndb-status-string nil "" nntp-status-string)
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(defconst nndb-version "nndb 0.3"
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"Version numbers of this version of NNDB.")
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;;; Interface functions.
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(nnoo-define-basics nndb)
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;; Import other stuff from nntp as is.
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(nnoo-import nndb
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(nntp))
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;;- maybe this should be mail??
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;;-(defun nndb-request-type (group &optional article)
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;;- 'news)
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;;------------------------------------------------------------------
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;;- only new stuff below
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; nndb-request-update-info does not exist and is not needed
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; nndb-request-update-mark does not exist and is not needed
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; nndb-request-scan does not exist
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; get new mail from somewhere -- maybe this is not needed?
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; --> todo
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(deffoo nndb-request-create-group (group &optional server)
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"Creates a group if it doesn't exist yet."
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(nntp-send-command "^[23].*\n" "MKGROUP" group))
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; todo -- use some other time than the creation time of the article
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; best is time since article has been marked as expirable
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(deffoo nndb-request-expire-articles
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(articles &optional group server force)
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"Expires ARTICLES from GROUP on SERVER.
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If FORCE, delete regardless of exiration date, otherwise use normal
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expiry mechanism."
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(let (msg art)
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(nntp-possibly-change-server group server) ;;-
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(while articles
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(setq art (pop articles))
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(nntp-send-command "^\\([23]\\|^423\\).*\n" "DATE" art)
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(setq msg (nndb-status-message))
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;; CCC we shouldn't be using the variable nndb-status-string?
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(if (string-match "^423" (nnheader-get-report 'nndb))
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()
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(or (string-match "\\([0-9]+\\) \\([0-9]+\\)$" msg)
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(error "Not a valid response for DATE command: %s"
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msg))
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(if (nnmail-expired-article-p
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group
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(list (string-to-int
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(substring msg (match-beginning 1) (match-end 1)))
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(string-to-int
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(substring msg (match-beginning 2) (match-end 2))))
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force)
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(nnheader-message 5 "Deleting article %s in %s..."
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art group)
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(nntp-send-command "^[23].*\n" "DELETE" art))))))
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(deffoo nndb-request-move-article
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(article group server accept-form &optional last)
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"Move ARTICLE (a number) from GROUP on SERVER.
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Evals ACCEPT-FORM in current buffer, where the article is.
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Optional LAST is ignored."
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(let ((artbuf (get-buffer-create " *nndb move*"))
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result)
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(and
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(nndb-request-article article group server artbuf)
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(save-excursion
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(set-buffer artbuf)
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(setq result (eval accept-form))
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(kill-buffer (current-buffer))
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result)
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(nndb-request-expire-articles (list article)
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group
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server
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t))
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result))
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(deffoo nndb-request-accept-article (group server &optional last)
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"The article in the current buffer is put into GROUP."
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(nntp-possibly-change-server group server) ;;-
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(let (art statmsg)
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(when (nntp-send-command "^[23].*\r?\n" "ACCEPT" group)
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(nnheader-insert "")
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(nntp-encode-text)
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(nntp-send-region-to-server (point-min) (point-max))
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;; 1.2a NNTP's post command is buggy. "^M" (\r) is not
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;; appended to end of the status message.
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(nntp-wait-for-response "^[23].*\n")
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(setq statmsg (nntp-status-message))
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(or (string-match "^\\([0-9]+\\)" statmsg)
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(error "nndb: %s" statmsg))
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(setq art (substring statmsg
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(match-beginning 1)
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(match-end 1)))
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(message "nndb: accepted %s" art)
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(list art))))
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(deffoo nndb-request-replace-article (article group buffer)
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"ARTICLE is the number of the article in GROUP to be replaced
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with the contents of the BUFFER."
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(set-buffer buffer)
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(let (art statmsg)
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(when (nntp-send-command "^[23].*\r?\n" "REPLACE" (int-to-string article))
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(nnheader-insert "")
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(nntp-encode-text)
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(nntp-send-region-to-server (point-min) (point-max))
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;; 1.2a NNTP's post command is buggy. "^M" (\r) is not
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;; appended to end of the status message.
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(nntp-wait-for-response "^[23].*\n")
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; (setq statmsg (nntp-status-message))
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; (or (string-match "^\\([0-9]+\\)" statmsg)
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; (error "nndb: %s" statmsg))
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; (setq art (substring statmsg
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; (match-beginning 1)
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; (match-end 1)))
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; (message "nndb: replaced %s" art)
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(list (int-to-string article)))))
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; nndb-request-delete-group does not exist
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; todo -- maybe later
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; nndb-request-rename-group does not exist
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; todo -- maybe later
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(provide 'nndb)
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