--- /dev/null
+;;; riece-alias.el --- define aliases for IRC names -*- lexical-binding: t -*-
+;; Copyright (C) 1998-2003 Daiki Ueno
+
+;; Author: Daiki Ueno <ueno@unixuser.org>
+;; 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.
+
+;;; Commentary:
+
+;; NOTE: This is an add-on module for Riece.
+
+;; This add-on allows you to define aliases for IRC names.
+
+;; For example, if you want to define an alias `#r' for `#riece', you
+;; can customize riece-alias-alist as follows:
+;; (setq riece-alias-alist '(("#riece" . "#r")))
+
+;;; Code:
+
+(require 'riece-identity)
+(require 'riece-signal)
+
+(defgroup riece-alias nil
+ "Aliases of channel/user names."
+ :prefix "riece-"
+ :group 'riece)
+
+(defcustom riece-alias-percent-hack-mask "*.jp"
+ "The mask of local IRC network"
+ :type 'string
+ :group 'riece-alias)
+
+(defcustom riece-alias-enable-percent-hack t
+ "If non-nil, the target mask is abbreviated with `%'."
+ :type 'boolean
+ :group 'riece-alias)
+
+(defcustom riece-alias-alternate-separator "@"
+ "A string to separate prefix and server."
+ :type '(choice (const nil) string)
+ :group 'riece-alias)
+
+(defcustom riece-alias-alist nil
+ "An alist mapping aliases to names."
+ :type 'list
+ :group 'riece-alias)
+
+(defconst riece-alias-description
+ "Define aliases for IRC names.")
+
+(defun riece-alias-abbrev-percent-hack (string)
+ (if (string-match (concat "^#\\([^ ]+\\):"
+ (regexp-quote riece-alias-percent-hack-mask)
+ "\\( .+\\|$\\)")
+ string)
+ (replace-match "%\\1\\2" nil nil string)
+ string))
+
+(defun riece-alias-expand-percent-hack (string)
+ (if (string-match "^%\\([^ ]+\\)\\( .+\\|$\\)" string)
+ (replace-match (concat "#\\1:" riece-alias-percent-hack-mask "\\2")
+ nil nil string)
+ string))
+
+(defun riece-alias-escape-alternate-separator (string)
+ (let ((index 0))
+ (while (string-match (regexp-quote riece-alias-alternate-separator)
+ string index)
+ (setq index (1+ (match-end 0))
+ string (replace-match (concat riece-alias-alternate-separator
+ riece-alias-alternate-separator)
+ nil t string)))
+ string))
+
+(defun riece-alias-abbrev-alternate-separator (string)
+ (if (string-match " " string)
+ (let ((prefix (substring string 0 (match-beginning 0)))
+ (server (substring string (match-end 0))))
+ (concat (riece-alias-escape-alternate-separator prefix)
+ riece-alias-alternate-separator
+ (riece-alias-escape-alternate-separator server)))
+ (riece-alias-escape-alternate-separator string)))
+
+(defun riece-alias-expand-alternate-separator (string)
+ (let ((index 0)
+ prefix
+ server)
+ (while (and (null prefix)
+ (string-match
+ (concat (regexp-quote riece-alias-alternate-separator)
+ (regexp-quote riece-alias-alternate-separator)
+ "\\|\\("
+ (regexp-quote riece-alias-alternate-separator)
+ "\\)")
+ string index))
+ (if (match-beginning 1) ;found a separator
+ (setq prefix (substring string 0 (match-beginning 1))
+ index (match-end 1))
+ (setq string (replace-match riece-alias-alternate-separator
+ nil t string)
+ index (- (match-end 0)
+ (length riece-alias-alternate-separator)))))
+ (if (null prefix)
+ string
+ (setq server (substring string index)
+ index 0)
+ (if (equal server "")
+ (while (string-match (regexp-quote
+ (concat riece-alias-alternate-separator
+ riece-alias-alternate-separator))
+ server index)
+ (setq server (replace-match riece-alias-alternate-separator
+ nil t server)
+ index (- (match-end 0)
+ (length riece-alias-alternate-separator))))
+ (concat prefix " " server)))))
+
+(defun riece-alias-abbrev-identity-string (string)
+ (if riece-alias-enable-percent-hack
+ (setq string (riece-alias-abbrev-percent-hack string)))
+ (if riece-alias-alternate-separator
+ (setq string (riece-alias-abbrev-alternate-separator string)))
+ (let ((alist riece-alias-alist))
+ (while alist
+ (if (equal (downcase (car (car alist))) (downcase string))
+ (setq string (cdr (car alist))
+ alist nil)
+ (setq alist (cdr alist)))))
+ (copy-sequence string))
+
+(defun riece-alias-expand-identity-string (string)
+ (let ((alist riece-alias-alist))
+ (while alist
+ (if (equal (downcase (cdr (car alist))) (downcase string))
+ (setq string (car (car alist))
+ alist nil)
+ (setq alist (cdr alist)))))
+ (if riece-alias-alternate-separator
+ (setq string (riece-alias-expand-alternate-separator string)))
+ (if riece-alias-enable-percent-hack
+ (setq string (riece-alias-expand-percent-hack string)))
+ (copy-sequence string))
+
+(defun riece-alias-insinuate ()
+ )
+
+(defun riece-alias-enable ()
+ (setq riece-abbrev-identity-string-function
+ #'riece-alias-abbrev-identity-string
+ riece-expand-identity-string-function
+ #'riece-alias-expand-identity-string)
+ (riece-emit-signal 'channel-list-changed))
+
+(defun riece-alias-disable ()
+ (setq riece-abbrev-identity-string-function nil
+ riece-expand-identity-string-function nil)
+ (riece-emit-signal 'channel-list-changed))
+
+(provide 'riece-alias)
+
+;;; riece-alias.el ends here
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