Don't use old-style backquote in doc/ptexinfmt.el.

[riece] / lisp / riece-keyword.el

diff --git a/lisp/riece-keyword.el b/lisp/riece-keyword.el
index b0b0952..9cb568d 100644 (file)
--- a/lisp/riece-keyword.el
+++ b/lisp/riece-keyword.el
@@ -1,4 +1,4 @@
-;;; riece-keyword.el --- highlight keywords in channel buffers
+;;; riece-keyword.el --- detect keywords in IRC buffers
 ;; Copyright (C) 1998-2003 Daiki Ueno
 
 ;; Author: Daiki Ueno <ueno@unixuser.org>
@@ -19,21 +19,21 @@
 
 ;; 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., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
 
 ;;; Commentary:
 
-;; To use, add the following line to your ~/.riece/init.el:
-;; (add-to-list 'riece-addons 'riece-keyword)
+;; NOTE: This is an add-on module for Riece.
 
 ;;; Code:
 
 (require 'riece-message)
 
 (defgroup riece-keyword nil
-  "Highlight keyword in IRC buffer."
-  :group 'riece-vars)
+  "Detect keywords in IRC buffers."
+  :prefix "riece-"
+  :group 'riece)
 
 (defcustom riece-keywords nil
   "Keywords to be highlightened."
@@ -44,22 +44,36 @@
 
 (defcustom riece-notify-keyword-functions nil
   "Functions used to notify keyword match."
-  :type '(list function)
+  :type '(repeat 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 '(repeat 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 riece-keywords
+  (if (and (get 'riece-keyword 'riece-addon-enabled)
+          riece-keywords
           ;; Ignore messages which belongs to myself.
           (not (riece-message-own-p message)))
       (let* (keywords
@@ -72,40 +86,38 @@
                                 (setq keywords (cons matcher keywords)))
                              matcher))
                          riece-keywords))
-              (list (cons (regexp-opt keywords) 0))))
+              (if keywords
+                  (list (cons (regexp-opt keywords) 0)))))
             index)
        (while alist
          (setq index 0)
-         (while (string-match (car (car alist))
-                              (riece-message-text message) index)
-           (if (memq 'riece-highlight riece-addons)
-               (put-text-property (match-beginning (cdr (car alist)))
-                                  (match-end (cdr (car alist)))
-                                  'riece-keyword t
-                                  (riece-message-text message)))
+         (while (and (< index (length (riece-message-text message)))
+                     (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))
            (save-match-data
              (run-hook-with-args 'riece-notify-keyword-functions
                                  (match-string (cdr (car alist))
-                                               (riece-message-text message))))
-           (setq index (match-end (cdr (car alist)))))
+                                               (riece-message-text message)))
+             (run-hook-with-args 'riece-keyword-notify-functions
+                                 (cdr (car alist))
+                                 message))
+           (setq index (1+ (match-end (cdr (car alist))))))
          (setq alist (cdr alist)))))
   message)
 
-(defun riece-keyword-scan-region (start end)
-  (riece-scan-property-region
-   'riece-keyword
-   start end
-   (lambda (start end)
-     (riece-overlay-put (riece-make-overlay start end)
-                       'face riece-keyword-face))))
-
 (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)
-  (add-hook 'riece-after-insert-functions 'riece-keyword-scan-region))
+  (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)