1 ;;; riece-filter.el --- process filter and sentinel
2 ;; Copyright (C) 1998-2003 Daiki Ueno
4 ;; Author: Daiki Ueno <ueno@unixuser.org>
6 ;; Keywords: IRC, riece
8 ;; This file is part of Riece.
10 ;; This program is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; This program is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
27 (require 'riece-handle)
29 (require 'riece-server) ;riece-close-server
30 (require 'riece-identity)
31 (require 'riece-debug)
33 (defun riece-handle-numeric-reply (prefix number name string)
34 (let ((base-number (* (/ number 100) 100))
36 (setq function (intern-soft (format "riece-handle-%03d-message" number)))
38 (symbol-function function))
41 (format "riece-handle-default-%03d-message" base-number))))
43 (symbol-function function))
44 (riece-ignore-errors (symbol-name function)
45 (funcall function prefix number name
46 (riece-decode-coding-string string))))))
48 (defun riece-handle-message (prefix message string)
50 (string-match "![^\x00\x0d\x0a @]+@" prefix))
51 (riece-user-set-user-at-host
52 (riece-get-user (substring prefix 0 (match-beginning 0)))
53 (riece-parse-user-at-host (substring prefix (1+ (match-beginning 0))))))
54 (setq message (downcase message)
55 string (riece-decode-coding-string string))
56 (let ((function (intern-soft (concat "riece-handle-" message "-message")))
57 (hook (intern (concat "riece-" message "-hook")))
58 (after-hook (intern (concat "riece-after-" message "-hook"))))
59 (unless (riece-ignore-errors (symbol-name hook)
60 (run-hook-with-args-until-success hook prefix string))
62 (riece-ignore-errors (symbol-name function)
63 (funcall function prefix string)))
64 (riece-ignore-errors (symbol-name after-hook)
65 (run-hook-with-args-until-success after-hook prefix string)))))
67 ;;; stolen (and renamed) from gnus-async.el.
68 (defun riece-get-semaphore (semaphore)
69 "Wait until SEMAPHORE is released."
70 (while (/= (length (nconc (symbol-value semaphore) (list nil))) 2)
73 (defun riece-release-semaphore (semaphore)
75 (setcdr (symbol-value semaphore) nil))
77 (defmacro riece-filter-with-semaphore (&rest forms)
80 (riece-get-semaphore 'riece-filter-semaphore)
82 (riece-release-semaphore 'riece-filter-semaphore)))
84 (put 'riece-filter-with-semaphore 'lisp-indent-function 0)
85 (put 'riece-filter-with-semaphore 'edebug-form-spec '(body))
87 (defsubst riece-chomp-string (string)
88 (if (string-match "\r\\'" string)
89 (substring string 0 (match-beginning 0))
92 (defun riece-filter (process input)
93 (riece-filter-with-semaphore
95 (set-buffer (process-buffer process))
96 (goto-char riece-read-point)
98 (delete-region (riece-line-beginning-position) (point-min))
99 (setq riece-read-point (point)))
101 (goto-char (prog1 riece-read-point
102 (setq riece-read-point (point))))
104 (while (and (not (eobp))
105 (looking-at ".*\n")) ;the input line is not finished
108 ":\\([^ ]+\\) +\\([0-5][0-9][0-9]\\) +\\([^ ]+\\) +\\(.*\\)\n")
109 (riece-handle-numeric-reply
110 (match-string 1) ;prefix
111 (string-to-number (match-string 2)) ;number
112 (match-string 3) ;name
113 (riece-chomp-string (match-string 4))) ;reply string
114 (if (looking-at "\\(:\\([^ ]+\\) +\\)?\\([^ ]+\\) +\\(.*\\)\n")
115 (riece-handle-message
116 (match-string 2) ;optional prefix
117 (match-string 3) ;command
118 (riece-chomp-string (match-string 4))) ;params & trailing
120 (message "Weird message from server: %s"
121 (buffer-substring (point) (progn
127 (autoload 'riece-exit "riece"))
128 (defun riece-sentinel (process status)
129 (if riece-reconnect-with-password
131 (with-current-buffer (process-buffer process)
133 (riece-close-server-process process)
135 (if (equal server-name "")
137 (riece-server-name-to-server server-name))
139 (let ((server-name (with-current-buffer (process-buffer process)
142 (if (equal server-name "")
143 (message "Connection closed: %s"
144 (substring status 0 (1- (length status))))
145 (message "Connection to \"%s\" closed: %s"
146 server-name (substring status 0 (1- (length status)))))
147 (if (equal server-name "")
148 (message "Connection closed")
149 (message "Connection to \"%s\" closed" server-name)))
150 (let ((channels riece-current-channels))
152 (if (and (car channels)
153 (equal (riece-identity-server (car channels))
155 (riece-part-channel (car channels)))
156 (setq channels (cdr channels))))
157 (riece-redisplay-buffers)
158 (riece-close-server-process process)
159 ;; If no server process is available, exit.
160 (unless riece-server-process-alist
163 (provide 'riece-filter)
165 ;;; riece-filter.el ends here