X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=lisp%2Friece-alias.el;h=e6c8bb4303f88abee3ee7655ce0e06bd7a99abfa;hb=50d8c07c17ad31feea207eb3ee384e7e6cbeb3ea;hp=0575db8bf4d58f51c028ff930d0de9a796dce490;hpb=fc093a9a4f5649e8240b8410dc6a3c28d7e98f81;p=elisp%2Friece.git

diff --git a/lisp/riece-alias.el b/lisp/riece-alias.el
index 0575db8..e6c8bb4 100644
--- a/lisp/riece-alias.el
+++ b/lisp/riece-alias.el
@@ -1,4 +1,4 @@
-;;; riece-alias.el --- define aliases of names
+;;; riece-alias.el --- define aliases for IRC names
 ;; Copyright (C) 1998-2003 Daiki Ueno
 
 ;; Author: Daiki Ueno <ueno@unixuser.org>
@@ -21,14 +21,15 @@
 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 ;; Boston, MA 02111-1307, USA.
 
-;; This add-on allows you to define aliases for IRC names.
+;;; Commentary:
+
+;; NOTE: This is an add-on module for Riece.
 
-;; To use, add the following line to your ~/.riece/init.el:
-;; (add-to-list 'riece-addons 'riece-alias)
+;; This add-on allows you to define aliases for IRC names.
 
-;; For example, if you want to define an alias `#l' for `#Liece', you
+;; For example, if you want to define an alias `#r' for `#riece', you
 ;; can customize riece-alias-alist as follows:
-;; (setq riece-alias-alist '(("#Liece" . "#l")))
+;; (setq riece-alias-alist '(("#riece" . "#r")))
 
 ;;; Code:
 
@@ -36,7 +37,7 @@
 (require 'riece-signal)
 
 (defgroup riece-alias nil
-  "Define aliases of names"
+  "Aliases of channel/user names."
   :prefix "riece-"
   :group 'riece)
 
@@ -50,7 +51,7 @@
   :type 'boolean
   :group 'riece-alias)
 
-(defcustom riece-alias-alternate-separator nil
+(defcustom riece-alias-alternate-separator "%"
   "A string to separate prefix and server."
   :type '(choice (const nil) string)
   :group 'riece-alias)
@@ -60,10 +61,8 @@
   :type 'list
   :group 'riece-alias)
 
-(defvar riece-alias-enabled nil)
-
 (defconst riece-alias-description
-  "Define aliases of channel/user names")
+  "Define aliases for IRC names.")
 
 (defun riece-alias-abbrev-percent-hack (string)
   (if (string-match (concat "^#\\([^ ]+\\):"
@@ -101,22 +100,22 @@
 (defun riece-alias-expand-alternate-separator (string)
   (let ((index 0)
 	prefix
-	server
-	length)
+	server)
     (while (and (null prefix)
 		(string-match
-		 (concat (regexp-quote riece-alias-alternate-separator) "+")
+		 (concat (regexp-quote riece-alias-alternate-separator)
+			 (regexp-quote riece-alias-alternate-separator)
+			 "\\|\\("
+			 (regexp-quote riece-alias-alternate-separator)
+			 "\\)")
 		 string index))
-      (setq length (- (match-end 0) (match-beginning 0))
-	    string (replace-match
-		    (mapconcat #'identity
-			       (make-list (/ length 2)
-					  riece-alias-alternate-separator)
-			       "")
-		    nil t string)
-	    index (+ (match-beginning 0) (/ length 2)))
-      (unless (zerop (% length 2))
-	(setq prefix (substring string 0 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)
@@ -126,10 +125,10 @@
 				(concat riece-alias-alternate-separator
 					riece-alias-alternate-separator))
 			       server index)
-	    (setq server (replace-match
-			  riece-alias-alternate-separator
-			  nil t server)
-		  index (1- (match-end 0))))
+	    (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)
@@ -138,25 +137,25 @@
   (if riece-alias-alternate-separator
       (setq string (riece-alias-abbrev-alternate-separator string)))
   (let ((alist riece-alias-alist))
-    (catch 'done
-      (while alist
-	(if (equal (car (car alist)) string)
-	    (throw 'done (cdr (car alist))))
-	(setq alist (cdr alist)))
-      string)))
+    (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)
-  (if riece-alias-enable-percent-hack
-      (setq string (riece-alias-expand-percent-hack 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)))
-  (let ((alist riece-alias-alist))
-    (catch 'done
-      (while alist
-	(if (equal (cdr (car alist)) string)
-	    (throw 'done (car (car alist))))
-	(setq alist (cdr alist)))
-      string)))
+  (if riece-alias-enable-percent-hack
+      (setq string (riece-alias-expand-percent-hack string)))
+  (copy-sequence string))
 
 (defun riece-alias-insinuate ()
   )
@@ -166,14 +165,12 @@
 	#'riece-alias-abbrev-identity-string
 	riece-expand-identity-string-function
 	#'riece-alias-expand-identity-string)
-  (riece-emit-signal 'channel-list-changed)
-  (setq riece-alias-enabled t))
+  (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)
-  (setq riece-alias-enabled nil))
+  (riece-emit-signal 'channel-list-changed))
 
 (provide 'riece-alias)