--- /dev/null
+;;; riece-channel.el --- a channel object -*- lexical-binding: t -*-
+;; Copyright (C) 1998-2003 Daiki Ueno
+
+;; Author: Daiki Ueno <ueno@unixuser.org>
+;; Created: 1998-09-28
+;; Keywords: IRC, riece
+
+;; This file is part of Riece.
+
+;; This program 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.
+
+;; This program 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., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
+
+;;; Code:
+
+(require 'riece-options)
+(require 'riece-globals)
+(require 'riece-identity)
+(require 'riece-mode)
+(require 'riece-cache)
+
+;;; Channel object:
+(defun riece-find-channel (name)
+ "Get a channel object named NAME from the server buffer."
+ (riece-cache-get riece-channel-cache name)
+ (let ((symbol (intern-soft (riece-identity-canonicalize-prefix name)
+ riece-channel-obarray)))
+ (if symbol
+ (symbol-value symbol))))
+
+(defun riece-forget-channel (name)
+ (riece-cache-delete riece-channel-cache name)
+ (let ((symbol (intern-soft (riece-identity-canonicalize-prefix name)
+ riece-channel-obarray)))
+ (when symbol
+ (makunbound symbol)
+ (unintern (symbol-name symbol) riece-channel-obarray))))
+
+(defun riece-make-channel (users topic modes banned invited uninvited key)
+ "Make an instance of channel object.
+Arguments are appropriate to channel users, topic, modes, banned
+users, invited users, uninvited users, and the channel key,
+respectively."
+ (vector users topic modes banned invited uninvited key))
+
+(defun riece-get-channel (name)
+ (let ((symbol (intern-soft (riece-identity-canonicalize-prefix name)
+ riece-channel-obarray)))
+ (if symbol
+ (progn
+ (riece-cache-get riece-channel-cache name)
+ (symbol-value symbol))
+ (riece-cache-set riece-channel-cache name name)
+ (set (intern (riece-identity-canonicalize-prefix name)
+ riece-channel-obarray)
+ (riece-make-channel nil nil nil nil nil nil nil)))))
+
+(defun riece-channel-users (channel)
+ "Return the users of CHANNEL."
+ (aref channel 0))
+
+(defun riece-channel-topic (channel)
+ "Return the topic of CHANNEL."
+ (aref channel 1))
+
+(defun riece-channel-modes (channel)
+ "Return the modes of CHANNEL."
+ (aref channel 2))
+
+(defun riece-channel-banned (channel)
+ "Return the banned users of CHANNEL."
+ (aref channel 3))
+
+(defun riece-channel-invited (channel)
+ "Return the invited users of CHANNEL."
+ (aref channel 4))
+
+(defun riece-channel-uninvited (channel)
+ "Return the uninvited users of CHANNEL."
+ (aref channel 5))
+
+(defun riece-channel-key (channel)
+ "Return the key of CHANNEL."
+ (aref channel 6))
+
+(defun riece-channel-set-users (channel value)
+ "Set the users of CHANNEL to VALUE."
+ (aset channel 0 value))
+
+(defun riece-channel-set-topic (channel value)
+ "Set the topic of CHANNEL to VALUE."
+ (aset channel 1 value))
+
+(defun riece-channel-set-modes (channel value)
+ "Set the modes of CHANNEL to VALUE."
+ (aset channel 2 value))
+
+(defun riece-channel-set-banned (channel value)
+ "Set the banned users of CHANNEL to VALUE."
+ (aset channel 3 value))
+
+(defun riece-channel-set-invited (channel value)
+ "Set the invited users of CHANNEL to VALUE."
+ (aset channel 4 value))
+
+(defun riece-channel-set-uninvited (channel value)
+ "Set the uninvited users of CHANNEL to VALUE."
+ (aset channel 5 value))
+
+(defun riece-channel-set-key (channel value)
+ "Set the key of CHANNEL to VALUE."
+ (aset channel 6 value))
+
+(defun riece-channel-get-users (name)
+ "Return channel's users as list."
+ (riece-channel-users (riece-get-channel name)))
+
+(defun riece-channel-get-topic (name)
+ "Return channel's topic."
+ (riece-channel-topic (riece-get-channel name)))
+
+(defun riece-channel-get-modes (name)
+ "Return channel's modes as list."
+ (riece-channel-modes (riece-get-channel name)))
+
+(defun riece-channel-get-banned (name)
+ "Return channel's banned users as list."
+ (riece-channel-banned (riece-get-channel name)))
+
+(defun riece-channel-get-invited (name)
+ "Return channel's invited users as list."
+ (riece-channel-invited (riece-get-channel name)))
+
+(defun riece-channel-get-uninvited (name)
+ "Return channel's uninvited users as list."
+ (riece-channel-uninvited (riece-get-channel name)))
+
+(defun riece-channel-get-key (name)
+ "Return channel's key."
+ (riece-channel-key (riece-get-channel name)))
+
+;;; Functions called from `riece-handle-mode-message':
+(defun riece-channel-toggle-mode (name mode flag)
+ "Add or remove channel MODE of channel."
+ (let* ((channel (riece-get-channel name))
+ (modes (riece-channel-modes channel))
+ (old (riece-mode-assoc (riece-mode-flag mode) modes)))
+ (if flag
+ (unless old
+ (riece-channel-set-modes channel (cons mode modes)))
+ (if old
+ (riece-channel-set-modes channel (delq old modes))))))
+
+(defun riece-channel-toggle-banned (name pattern flag)
+ "Add or remove banned PATTERN of channel."
+ (let* ((channel (riece-get-channel name))
+ (banned (riece-channel-banned channel)))
+ (if flag
+ (unless (member pattern banned)
+ (riece-channel-set-banned channel (cons pattern banned)))
+ (if (setq pattern (car (member pattern banned)))
+ (riece-channel-set-banned channel (delq pattern banned))))))
+
+(defun riece-channel-toggle-invited (name pattern flag)
+ "Add or remove invited PATTERN of channel."
+ (let* ((channel (riece-get-channel name))
+ (invited (riece-channel-invited channel)))
+ (if flag
+ (unless (member pattern invited)
+ (riece-channel-set-invited channel (cons pattern invited)))
+ (if (setq pattern (car (member pattern invited)))
+ (riece-channel-set-invited channel (delq pattern invited))))))
+
+(defun riece-channel-toggle-uninvited (name pattern flag)
+ "Add or remove uninvited PATTERN to channel."
+ (let* ((channel (riece-get-channel name))
+ (uninvited (riece-channel-uninvited channel)))
+ (if flag
+ (unless (member pattern uninvited)
+ (riece-channel-set-uninvited channel (cons pattern uninvited)))
+ (if (setq pattern (car (member pattern uninvited)))
+ (riece-channel-set-uninvited
+ channel (delq pattern uninvited))))))
+
+(defun riece-channel-toggle-user (name user flag)
+ "Add or remove an user to channel."
+ (let* ((channel (riece-get-channel name))
+ (users (riece-channel-users channel)))
+ (if flag
+ (unless (riece-identity-assoc user users t)
+ (riece-channel-set-users channel (cons (list user) users)))
+ (if (setq user (riece-identity-assoc user users t))
+ (riece-channel-set-users channel (delq user users))))))
+
+(defun riece-channel-toggle-operator (name user flag)
+ "Add or remove an operator to channel."
+ (let* ((channel (riece-get-channel name))
+ (users (riece-channel-users channel)))
+ (setq user (riece-identity-assoc user users t))
+ (if flag
+ (if user
+ (unless (memq ?o (cdr user))
+ (setcdr user (cons ?o (cdr user))))
+ (riece-channel-set-users channel (cons (list user ?o) users)))
+ (if user
+ (setcdr user (delq ?o (cdr user)))))))
+
+(defun riece-channel-toggle-speaker (name user flag)
+ "Add or remove an speaker to channel."
+ (let* ((channel (riece-get-channel name))
+ (users (riece-channel-users channel)))
+ (setq user (riece-identity-assoc user users t))
+ (if flag
+ (if user
+ (unless (memq ?v (cdr user))
+ (setcdr user (cons ?v (cdr user))))
+ (riece-channel-set-users channel (cons (list user ?v) users)))
+ (if user
+ (setcdr user (delq ?v (cdr user)))))))
+
+(provide 'riece-channel)
+
+;;; riece-channel.el ends here
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