From 508074b868b211a58860a6a511b8fdadb3c0ac90 Mon Sep 17 00:00:00 2001
From: ueno <ueno>
Date: Fri, 5 Nov 2004 03:16:56 +0000
Subject: [PATCH] * riece-alias.el (riece-alias-use-atmark): New user option. 
 If this option enabled, atmark "@" will be used to separate
 prefix and server. (e.g. "#riece@server")
 (riece-alias-escape-atmark): New function.
 (riece-alias-abbrev-atmark): New function.
 (riece-alias-expand-atmark): New function.
 (riece-alias-abbrev-identity-string): Call
 riece-alias-abbrev-atmark.
 (riece-alias-expand-identity-string): Call
 riece-alias-expand-atmark.

---
 lisp/ChangeLog      |   11 +++++++++++
 lisp/riece-alias.el |   46 ++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 57 insertions(+)

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 52d7819..914c0c9 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,5 +1,16 @@
 2004-11-05  Daiki Ueno  <ueno@unixuser.org>
 
+	* riece-alias.el (riece-alias-use-atmark): New user option.  If
+	this option enabled, atmark "@" will be used to separate prefix
+	and server. (e.g. "#riece@server")
+	(riece-alias-escape-atmark): New function.
+	(riece-alias-abbrev-atmark): New function.
+	(riece-alias-expand-atmark): New function.
+	(riece-alias-abbrev-identity-string): Call
+	riece-alias-abbrev-atmark.
+	(riece-alias-expand-identity-string): Call
+	riece-alias-expand-atmark.
+
 	* riece-rdcc.el (riece-rdcc-block-size): Changed default value to
 	1024 due to the DCC specification.
 	(riece-rdcc-send-program): Wait ack from a recipient.
diff --git a/lisp/riece-alias.el b/lisp/riece-alias.el
index bbf7db9..a617687 100644
--- a/lisp/riece-alias.el
+++ b/lisp/riece-alias.el
@@ -50,6 +50,11 @@
   :type 'boolean
   :group 'riece-alias)
 
+(defcustom riece-alias-use-atmark nil
+  "If non-nil, use atmark to separate prefix and server."
+  :type 'boolean
+  :group 'riece-alias)
+
 (defcustom riece-alias-alist nil
   "An alist mapping aliases to names."
   :type 'list
@@ -74,9 +79,48 @@
 		     nil nil string)
     string))
 
+(defun riece-alias-escape-atmark (string)
+  (let ((index 0))
+    (while (string-match "@" string index)
+      (setq index (1+ (match-end 0))
+	    string (replace-match "@@" nil nil string)))
+    string))
+
+(defun riece-alias-abbrev-atmark (string)
+  (if (string-match " " string)
+      (let ((prefix (substring string 0 (match-beginning 0)))
+	    (server (substring string (match-end 0))))
+	(concat (riece-alias-escape-atmark prefix) "@"
+		(riece-alias-escape-atmark server)))
+    (concat (riece-alias-escape-atmark string) "@")))
+
+(defun riece-alias-expand-atmark (string)
+  (let ((index 0)
+	prefix
+	server
+	length)
+    (while (and (null prefix)
+		(string-match "@+" string index))
+      (setq length (- (match-end 0) (match-beginning 0))
+	    string (replace-match (make-string (/ length 2) ?@)
+				  nil nil string)
+	    index (+ (match-beginning 0) (/ length 2)))
+      (unless (zerop (% length 2))
+	(setq prefix (substring string 0 index))))
+    (setq server (substring string index)
+	  index 0)
+    (if (equal server "")
+	prefix
+      (while (string-match "@@" server index)
+	(setq server (replace-match "@" nil nil server)
+	      index (1- (match-end 0))))
+      (concat prefix " " server))))
+
 (defun riece-alias-abbrev-identity-string (string)
   (if riece-alias-enable-percent-hack
       (setq string (riece-alias-abbrev-percent-hack string)))
+  (if riece-alias-use-atmark
+      (setq string (riece-alias-abbrev-atmark string)))
   (let ((alist riece-alias-alist))
     (catch 'done
       (while alist
@@ -88,6 +132,8 @@
 (defun riece-alias-expand-identity-string (string)
   (if riece-alias-enable-percent-hack
       (setq string (riece-alias-expand-percent-hack string)))
+  (if riece-alias-use-atmark
+      (setq string (riece-alias-expand-atmark string)))
   (let ((alist riece-alias-alist))
     (catch 'done
       (while alist
-- 
1.7.10.4