;;; nndb.el --- nndb access for Gnus ;; Copyright (C) 1987,88,89,90,92,93,94,95,96 Free Software Foundation, Inc. ;; Author: Masanobu UMEDA ;; Lars Magne Ingebrigtsen ;; Kai Grossjohann ;; Keywords: news ;; This file is NOT 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: ;; I have shamelessly snarfed the code of nntp.el from sgnus. ;; Thanks to David Blacka for making move and ;; copy work. ;; Kai ;;- ;; Register nndb with known select methods. (setq gnus-valid-select-methods (cons '("nndb" mail address respool prompt-address) gnus-valid-select-methods)) ;;; Code: (require 'rnews) (require 'sendmail) (require 'nnheader) (require 'nntp) (eval-when-compile (require 'cl)) (eval-and-compile (unless (fboundp 'open-network-stream) (require 'tcp))) (eval-when-compile (require 'cl)) (eval-and-compile (autoload 'news-setup "rnewspost") (autoload 'news-reply-mode "rnewspost") (autoload 'cancel-timer "timer") (autoload 'telnet "telnet" nil t) (autoload 'telnet-send-input "telnet" nil t) (autoload 'timezone-parse-date "timezone")) ;; Declare nndb as derived from nntp (nnoo-declare nndb nntp) ;; Variables specific to nndb ;;- currently not used but just in case... (defvoo nndb-deliver-program "nndel" "*The program used to put a message in an NNDB group.") ;; Variables copied from nntp (defvoo nndb-server-opened-hook '(nntp-send-authinfo-from-file) "Like nntp-server-opened-hook." nntp-server-opened-hook) ;(defvoo nndb-rlogin-parameters '("telnet" "${NNDBSERVER:=localhost}" "9000") ; "*Parameters to nndb-open-login. Like nntp-rlogin-parameters." ; nntp-rlogin-parameters) ;(defvoo nndb-rlogin-user-name nil ; "*User name for rlogin connect method." ; nntp-rlogin-user-name) (defvoo nndb-address "localhost" "*The name of the NNDB server." nntp-address) (defvoo nndb-port-number 9000 "*Port number to connect to." nntp-port-number) ;(defvoo nndb-current-group "" ; "Like nntp-current-group." ; nntp-current-group) (defvoo nndb-status-string nil "" nntp-status-string) (defconst nndb-version "nndb 0.4" "Version numbers of this version of NNDB.") ;;; Interface functions. (nnoo-define-basics nndb) ;;- maybe this should be mail?? ;;-(defun nndb-request-type (group &optional article) ;;- 'news) ;;------------------------------------------------------------------ ;;- only new stuff below ; nndb-request-update-info does not exist and is not needed ; nndb-request-update-mark does not exist and is not needed ; nndb-request-scan does not exist ; get new mail from somewhere -- maybe this is not needed? ; --> todo (deffoo nndb-request-create-group (group &optional server) "Creates a group if it doesn't exist yet." (nntp-send-command "^[23].*\n" "MKGROUP" group)) ; todo -- use some other time than the creation time of the article ; best is time since article has been marked as expirable (deffoo nndb-request-expire-articles (articles &optional group server force) "Expires ARTICLES from GROUP on SERVER. If FORCE, delete regardless of exiration date, otherwise use normal expiry mechanism." (let (msg delete-list (num-delete 0) rest art) (nntp-possibly-change-server group server);;- (while articles (setq art (pop articles)) (nntp-send-command "^\\([23]\\|^423\\).*\n" "STAT" art) (setq msg (nntp-status-message)) ;; CCC we shouldn't be using the variable nndb-status-string? (if (string-match "^423" (nnheader-get-report 'nndb)) () (or (string-match "'\\(.+\\)'" msg) (error "Not a valid response for STAT command: %s" msg)) (if (nnmail-expired-article-p group (gnus-encode-date (substring msg (match-beginning 1) (match-end 1))) force) (progn (setq delete-list (concat delete-list " " (int-to-string art))) (setq num-delete (1+ num-delete))) (push art rest)))) (if (> (length delete-list) 0) (progn (nnheader-message 5 "Deleting %s article(s) from %s" (int-to-string num-delete) group) (nntp-send-command "^[23].*\n" "DELETE" delete-list))) (message "") (nconc rest articles))) (deffoo nndb-request-move-article (article group server accept-form &optional last) "Move ARTICLE (a number) from GROUP on SERVER. Evals ACCEPT-FORM in current buffer, where the article is. Optional LAST is ignored." (let ((new-group (nth 1 accept-form))) ;; use the move command for nndb-to-nndb moves (if (string-match "^nndb" new-group) (let ((new-group-name (gnus-group-real-name new-group))) (nntp-send-command "^[23].*\n" "MOVE" article new-group-name) (cons new-group article)) ;; else move normally (let ((artbuf (get-buffer-create " *nndb move*")) result) (and (nndb-request-article article group server artbuf) (save-excursion (set-buffer artbuf) (setq result (eval accept-form)) (kill-buffer (current-buffer)) result) (nndb-request-expire-articles (list article) group server t)) result) ))) (deffoo nndb-request-accept-article (group server &optional last) "The article in the current buffer is put into GROUP." (nntp-possibly-change-server group server) ;;- (let (art statmsg) (when (nntp-send-command "^[23].*\r?\n" "ACCEPT" group) (nnheader-insert "") (nntp-encode-text) (nntp-send-region-to-server (point-min) (point-max)) ;; 1.2a NNTP's post command is buggy. "^M" (\r) is not ;; appended to end of the status message. (nntp-wait-for-response "^[23].*\n") (setq statmsg (nntp-status-message)) (or (string-match "^\\([0-9]+\\)" statmsg) (error "nndb: %s" statmsg)) (setq art (substring statmsg (match-beginning 1) (match-end 1))) (message "nndb: accepted %s" art) (list art)))) (deffoo nndb-request-replace-article (article group buffer) "ARTICLE is the number of the article in GROUP to be replaced with the contents of the BUFFER." (set-buffer buffer) (let (art statmsg) (when (nntp-send-command "^[23].*\r?\n" "REPLACE" (int-to-string article)) (nnheader-insert "") (nntp-encode-text) (nntp-send-region-to-server (point-min) (point-max)) ;; 1.2a NNTP's post command is buggy. "^M" (\r) is not ;; appended to end of the status message. (nntp-wait-for-response "^[23].*\n") ; (setq statmsg (nntp-status-message)) ; (or (string-match "^\\([0-9]+\\)" statmsg) ; (error "nndb: %s" statmsg)) ; (setq art (substring statmsg ; (match-beginning 1) ; (match-end 1))) ; (message "nndb: replaced %s" art) (list (int-to-string article))))) ; nndb-request-delete-group does not exist ; todo -- maybe later ; nndb-request-rename-group does not exist ; todo -- maybe later ;; Import stuff from nntp ;; Import other stuff from nntp as is. (nnoo-import nndb (nntp)) (provide 'nndb)