From 6f0708ec6ff7d8e7f8633ecb2d310b28ff44ac29 Mon Sep 17 00:00:00 2001
From: ueno <ueno>
Date: Mon, 27 Oct 2003 04:53:06 +0000
Subject: [PATCH] * riece-identity.el (riece-identity-prefix-case-table): Use
 riece-copy-case-table to define.

* riece-xemacs.el (riece-set-case-syntax-pair): Workaround for
XEmacs 21.1.
(riece-copy-case-table): Ditto.

* riece-emacs.el (riece-copy-case-table): New alias.

* riece-globals.el (riece-channel-regexp): Use
riece-make-interval-regexp to define.
(riece-user-regexp): Ditto.

* riece-compat.el (riece-make-interval-regexp): New function.
---
 lisp/riece-compat.el   |   13 +++++++++++++
 lisp/riece-emacs.el    |    3 +++
 lisp/riece-globals.el  |   10 ++++++++--
 lisp/riece-identity.el |    2 +-
 lisp/riece-xemacs.el   |   18 ++++++++++++++++--
 5 files changed, 41 insertions(+), 5 deletions(-)

diff --git a/lisp/riece-compat.el b/lisp/riece-compat.el
index ef41c10..25d544e 100644
--- a/lisp/riece-compat.el
+++ b/lisp/riece-compat.el
@@ -59,6 +59,19 @@
 	  (setq riece-read-passwd 'ange-ftp-read-passwd))))
   (funcall riece-read-passwd prompt))
 
+(if (string-match "0\\{0\\}" "")
+    (defun riece-make-interval-regexp (regexp min &optional max)
+      (if max
+	  (concat regexp (format "\\{%d,%d\\}" min max))
+	(concat regexp (format "\\{%d\\}" min))))
+  ;; Emacs 20.7 doesn't support \{...\} in regexps.
+  (defun riece-make-interval-regexp (regexp min &optional max)
+    (mapconcat #'identity
+	       (nconc (make-list min regexp)
+		      (if max
+			  (make-list (- max min) (concat regexp "?"))))
+	       "")))
+
 (provide 'riece-compat)
 
 ;;; riece-compat.el ends here
diff --git a/lisp/riece-emacs.el b/lisp/riece-emacs.el
index 00759b7..bb03c31 100644
--- a/lisp/riece-emacs.el
+++ b/lisp/riece-emacs.el
@@ -27,6 +27,9 @@
 (defalias 'riece-set-case-syntax-pair
   'set-case-syntax-pair)
 
+(defalias 'riece-copy-case-table
+  'copy-case-table)
+
 ;;; stolen (and renamed) from gnus-ems.el.
 ;;; In GNU Emacs, user can intercept whole mouse tracking events by
 ;;; assigning [mouse-X].  In XEmacs, however, which causes different
diff --git a/lisp/riece-globals.el b/lisp/riece-globals.el
index 73d60c0..852426a 100644
--- a/lisp/riece-globals.el
+++ b/lisp/riece-globals.el
@@ -24,11 +24,17 @@
 
 ;;; Code:
 
+(require 'riece-compat)			;riece-make-interval-regexp
+
 ;;; Constants:
 (defconst riece-channel-regexp
-  "\\([+&#]\\|![A-Z0-9]\\{5\\}\\|!!\\)[^\0\7\r\n ,:]*\\(:[^\0\7\r\n ,:]*\\)?")
+  (concat "\\([+&#]\\|!"
+	  (riece-make-interval-regexp "[A-Z0-9]" 5)
+	  "\\|!!\\)[^\0\7\r\n ,:]*\\(:[^\0\7\r\n ,:]*\\)?"))
+
 (defconst riece-user-regexp
-  "[][\\\\`_^{|}A-Za-z][][\\\\`_^{|}A-Za-z0-9-]\\{0,8\\}")
+  (concat "[][\\\\`_^{|}A-Za-z]"
+	  (riece-make-interval-regexp "[][\\\\`_^{|}A-Za-z0-9-]" 0 8)))
 
 ;;; Global variables:
 (defvar riece-server-process-alist nil
diff --git a/lisp/riece-identity.el b/lisp/riece-identity.el
index c01c454..f7a48cb 100644
--- a/lisp/riece-identity.el
+++ b/lisp/riece-identity.el
@@ -32,7 +32,7 @@
 (defvar riece-expand-identity-string-function nil)
 
 (defvar riece-identity-prefix-case-table
-  (let ((table (copy-case-table (standard-case-table))))
+  (let ((table (riece-copy-case-table (standard-case-table))))
     (riece-set-case-syntax-pair ?\[ ?{ table)
     (riece-set-case-syntax-pair ?\] ?} table)
     (riece-set-case-syntax-pair ?\\ ?| table)
diff --git a/lisp/riece-xemacs.el b/lisp/riece-xemacs.el
index 519b41a..d1ea150 100644
--- a/lisp/riece-xemacs.el
+++ b/lisp/riece-xemacs.el
@@ -49,8 +49,22 @@
 (defalias 'riece-simplify-mode-line-format
   'riece-xemacs-simplify-modeline-format)
 
-(defalias 'riece-set-case-syntax-pair
-  'put-case-table-pair)
+(if (fboundp 'put-case-table-pair)
+    (defalias 'riece-set-case-syntax-pair
+      'put-case-table-pair)
+  ;; In XEmacs 21.1, case-table is a list of strings.
+  (defun riece-set-case-syntax-pair (uc lc case-table)
+    (aset (car case-table) (char-to-int uc) lc)
+    (if (nth 1 case-table)
+	(aset (nth 1 case-table) (char-to-int lc) uc))
+    (if (nth 2 case-table)
+	(aset (nth 2 case-table) (char-to-int uc) lc))))
+
+(if (fboundp 'copy-case-table)
+    (defalias 'riece-copy-case-table 'copy-case-table)
+  ;; In XEmacs 21.1, case-table is a list of strings.
+  (defun riece-copy-case-table (case-table)
+    (mapcar #'copy-sequence case-table)))
 
 ;;; stolen (and renamed) from gnus-xmas.el.
 ;;; In GNU Emacs, user can intercept whole mouse tracking events by
-- 
1.7.10.4