X-Git-Url: https://cgit.sxemacs.org/?p=riece;a=blobdiff_plain;f=lisp%2Friece-identity.el;h=89e0e21e1dce5ec15f316914c3aab4ce2276570d;hp=ee7e72822e0970ff297ebf8fc217939e4d3e23a6;hb=d1652017cb0170ff664b3b37098cab2f54714132;hpb=bba270d4bab6d579e286c8d5cf8957d2ae039935

diff --git a/lisp/riece-identity.el b/lisp/riece-identity.el
index ee7e728..89e0e21 100644
--- a/lisp/riece-identity.el
+++ b/lisp/riece-identity.el
@@ -26,19 +26,22 @@
 
 (require 'riece-globals)
 (require 'riece-coding)
-(require 'riece-compat)			;riece-set-case-syntax-pair
 
 (defvar riece-abbrev-identity-string-function nil)
 (defvar riece-expand-identity-string-function nil)
 
-(defvar riece-identity-prefix-case-table
-  (let ((table (copy-case-table (standard-case-table))))
-    (riece-set-case-syntax-pair ?\[ ?{ table)
-    (riece-set-case-syntax-pair ?\] ?} table)
-    (riece-set-case-syntax-pair ?\\ ?| table)
-    (riece-set-case-syntax-pair ?~ ?^ table)
-    table))
-    
+(defconst riece-identity-prefix-case-pair-alist
+  '((?\[ . ?{)
+    (?\] . ?})
+    (?\\ . ?|)
+    (?~ . ?^))
+  "An alist used to canonicalize identity-prefix.
+RFC2812, 2.2 \"Character codes\" says:
+   Because of IRC's Scandinavian origin, the characters {}|^ are
+   considered to be the lower case equivalents of the characters []\~,
+   respectively. This is a critical issue when determining the
+   equivalence of two nicknames or channel names.")
+
 (defun riece-identity-prefix (identity)
   "Return the component sans its server from IDENTITY."
   (aref identity 0))
@@ -61,42 +64,41 @@
 	(riece-identity-server ident2))))
 
 (defun riece-identity-canonicalize-prefix (prefix)
-  "Canonicalize identity PREFIX.
-This function downcases PREFIX with Scandinavian alphabet rule.
-
-RFC2812, 2.2 \"Character codes\" says:
-   Because of IRC's Scandinavian origin, the characters {}|^ are
-   considered to be the lower case equivalents of the characters []\~,
-   respectively. This is a critical issue when determining the
-   equivalence of two nicknames or channel names."
-  (let ((old-table (current-case-table)))
-    (unwind-protect
-	(progn
-	  (set-case-table riece-identity-prefix-case-table)
-	  (downcase prefix))
-      (set-case-table old-table))))
+  "Canonicalize identity PREFIX."
+  (let ((i 0)
+	c)
+    (setq prefix (copy-sequence prefix))
+    (while (< i (length prefix))
+      (if (setq c (cdr (assq (aref prefix i)
+			     riece-identity-prefix-case-pair-alist)))
+	  (aset prefix i c))
+      (setq i (1+ i)))
+    prefix))
 
 (defun riece-identity-equal-no-server (prefix1 prefix2)
-  "Return t, if IDENT1 and IDENT2 is equal without server."
+  "Return t, if IDENT1 and IDENT2 is equal without server part."
   (equal (riece-identity-canonicalize-prefix prefix1)
 	 (riece-identity-canonicalize-prefix prefix2)))
 
-(defun riece-identity-member (elt list)
+(defun riece-identity-member (elt list &optional no-server)
   "Return non-nil if an identity ELT is an element of LIST."
   (catch 'found
     (while list
-      (if (and (vectorp (car list))	;needed because
-					;riece-current-channels
-					;contains nil.
-	       (riece-identity-equal (car list) elt))
+      (if (and (car list)	;needed because riece-current-channels
+				;contains nil.
+	       (if no-server
+		   (riece-identity-equal-no-server (car list) elt)
+		 (riece-identity-equal (car list) elt)))
 	  (throw 'found list)
 	(setq list (cdr list))))))
 
-(defun riece-identity-assoc (elt alist)
+(defun riece-identity-assoc (elt alist &optional no-server)
   "Return non-nil if an identity ELT matches the car of an element of ALIST."
   (catch 'found
     (while alist
-      (if (riece-identity-equal (car (car alist)) elt)
+      (if (if no-server
+	      (riece-identity-equal-no-server (car (car alist)) elt)
+	    (riece-identity-equal (car (car alist)) elt))
 	  (throw 'found (car alist))
 	(setq alist (cdr alist))))))