1 ;;; riece-keyword.el --- detect keywords in IRC buffers -*- lexical-binding: t -*-
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., 51 Franklin Street, Fifth Floor,
23 ;; Boston, MA 02110-1301, USA.
27 ;; NOTE: This is an add-on module for Riece.
31 (require 'riece-message)
33 (defgroup riece-keyword nil
34 "Detect keywords in IRC buffers."
38 (defcustom riece-keywords nil
39 "Keywords to be highlightened."
40 :type '(repeat (choice (string :tag "Keyword")
41 (cons (string :tag "Regexp")
42 (integer :tag "Match"))))
43 :group 'riece-keyword)
45 (defcustom riece-notify-keyword-functions nil
46 "Functions used to notify keyword match."
47 :type '(repeat function)
48 :group 'riece-keyword)
50 (make-obsolete-variable 'riece-notify-keyword-functions
51 'riece-keyword-notify-functions
54 (defcustom riece-keyword-notify-functions nil
55 "Functions used to notify keyword match.
56 Two arguments are passed to each function: the keyword used to match
57 and the matched message object."
58 :type '(repeat function)
59 :group 'riece-keyword)
61 (defface riece-keyword-face
63 (:foreground "red" :underline t))
66 "Face used for highlightening matching keyword."
67 :group 'riece-highlight-faces)
68 (defvar riece-keyword-face 'riece-keyword-face)
70 (defconst riece-keyword-description
71 "Detect keywords in IRC buffers.")
73 ;;; The old XEmacs package doesn't have autoload setting for regexp-opt.
74 (autoload 'regexp-opt "regexp-opt")
75 (defun riece-keyword-message-filter (message)
76 (if (and (get 'riece-keyword 'riece-addon-enabled)
78 ;; Ignore messages which belongs to myself.
79 (not (riece-message-own-p message)))
87 (setq keywords (cons matcher keywords)))
91 (list (cons (regexp-opt keywords) 0)))))
95 (while (and (< index (length (riece-message-text message)))
96 (string-match (car (car alist))
97 (riece-message-text message) index))
98 (put-text-property (match-beginning (cdr (car alist)))
99 (match-end (cdr (car alist)))
100 'riece-overlay-face riece-keyword-face
101 (riece-message-text message))
103 (run-hook-with-args 'riece-notify-keyword-functions
104 (match-string (cdr (car alist))
105 (riece-message-text message)))
106 (run-hook-with-args 'riece-keyword-notify-functions
109 (setq index (1+ (match-end (cdr (car alist))))))
110 (setq alist (cdr alist)))))
113 (defun riece-keyword-requires ()
114 (if (memq 'riece-highlight riece-addons)
117 (defun riece-keyword-insinuate ()
118 (add-hook 'riece-message-filter-functions 'riece-keyword-message-filter))
120 (defun riece-keyword-uninstall ()
121 (remove-hook 'riece-message-filter-functions 'riece-keyword-message-filter))
123 (provide 'riece-keyword)
125 ;;; riece-keyword.el ends here