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;;; riece-keyword.el --- detect keywords in IRC buffers
;; 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.
;;; Commentary:
;; NOTE: This is an add-on module for Riece.
;;; Code:
(require 'riece-message)
(defgroup riece-keyword nil
"Detect keywords in IRC buffers."
:prefix "riece-"
:group 'riece)
(defcustom riece-keywords nil
"Keywords to be highlightened."
:type '(repeat (choice (string :tag "Keyword")
(cons (string :tag "Regexp")
(integer :tag "Match"))))
:group 'riece-keyword)
(defcustom riece-notify-keyword-functions nil
"Functions used to notify keyword match."
:type '(list function)
:group 'riece-keyword)
(make-obsolete-variable 'riece-notify-keyword-functions
'riece-keyword-notify-functions)
(defcustom riece-keyword-notify-functions nil
"Functions used to notify keyword match.
Two arguments are passed to each function: the keyword used to match
and the matched message object."
:type '(list function)
:group 'riece-keyword)
(defface riece-keyword-face
'((((class color))
(:foreground "red" :underline t))
(t
(:underline t)))
"Face used for highlightening matching keyword."
:group 'riece-highlight-faces)
(defvar riece-keyword-face 'riece-keyword-face)
(defconst riece-keyword-description
"Detect keywords in IRC buffers.")
;;; The old XEmacs package doesn't have autoload setting for regexp-opt.
(autoload 'regexp-opt "regexp-opt")
(defun riece-keyword-message-filter (message)
(if (and (get 'riece-keyword 'riece-addon-enabled)
riece-keywords
;; Ignore messages which belongs to myself.
(not (riece-message-own-p message)))
(let* (keywords
(alist
(nconc
(delq nil (mapcar
(lambda (matcher)
(if (stringp matcher)
(ignore
(setq keywords (cons matcher keywords)))
matcher))
riece-keywords))
(list (cons (regexp-opt keywords) 0))))
index)
(while alist
(setq index 0)
(while (string-match (car (car alist))
(riece-message-text message) index)
(put-text-property (match-beginning (cdr (car alist)))
(match-end (cdr (car alist)))
'riece-overlay-face riece-keyword-face
(riece-message-text message))
(run-hook-with-args 'riece-notify-keyword-functions
(match-string (cdr (car alist))
(riece-message-text message)))
(run-hook-with-args 'riece-keyword-notify-functions
(cdr (car alist))
message)
(setq index (match-end (cdr (car alist)))))
(setq alist (cdr alist)))))
message)
(defun riece-keyword-requires ()
(if (memq 'riece-highlight riece-addons)
'(riece-highlight)))
(defun riece-keyword-insinuate ()
(add-hook 'riece-message-filter-functions 'riece-keyword-message-filter))
(defun riece-keyword-uninstall ()
(remove-hook 'riece-message-filter-functions 'riece-keyword-message-filter))
(provide 'riece-keyword)
;;; riece-keyword.el ends here
|
