X-Git-Url: http://git.kpe.io/?p=kmrcl.git;a=blobdiff_plain;f=strings.lisp;h=d8c0e439a1383bf383ea96c20c44374608a81c75;hp=35a177e9715371cc38eea292eddb09c05d380518;hb=aa610805927518a648eb0da6a8713cd0a83337df;hpb=8e31d13cfde9a2f7b6ea76a342a813e30dfe9696

diff --git a/strings.lisp b/strings.lisp
index 35a177e..d8c0e43 100644
--- a/strings.lisp
+++ b/strings.lisp
@@ -7,7 +7,7 @@
 ;;;; Programmer:    Kevin M. Rosenberg
 ;;;; Date Started:  Apr 2000
 ;;;;
-;;;; $Id: strings.lisp,v 1.7 2003/02/07 14:21:55 kevin Exp $
+;;;; $Id: strings.lisp,v 1.9 2003/04/28 21:12:27 kevin Exp $
 ;;;;
 ;;;; This file, part of KMRCL, is Copyright (c) 2002 by Kevin M. Rosenberg
 ;;;;
@@ -144,18 +144,39 @@
   (when (stringp str)
     (null (find-if #'not-whitespace? str))))
 
-#+ignore
 (defun string-replace-chars-strings (str repl-alist)
   "Replace all instances of a chars with a string. repl-alist is an assoc
 list of characters and replacement strings."
+  (declare (string str))
   (let* ((orig-len (length str))
-	 (new-len orign-len))
+	 (new-len orig-len))
     (declare (fixnum orig-len new-len))
-    (dotimes (i orign-len)
+    (dotimes (i orig-len)
       (declare (fixnum i))
-      (let ((c (schar i str)))
-	)))
-  str)
+      (let* ((c (char str i))
+	     (match (assoc c repl-alist :test #'char=)))
+	(declare (character c))
+	(when match
+	  (incf new-len (length (cdr match))))))
+    (let ((new-string (make-string new-len))
+	  (i 0))
+      (declare (string new-string)
+	       (fixnum i))
+      (dotimes (i orig-len)
+	(declare (fixnum i))
+	(let* ((c (char str i))
+	       (match (assoc c repl-alist :test #'char=)))
+	  (declare (character c))
+	  (if match
+	      (let* ((subst (cdr match))
+		     (len (length match)))
+		(dotimes (j len)
+		  (setf (char new-string i) (char subst j))
+		  (incf i))
+		(decf i))
+	    (progn
+	      (setf (char new-string i) c)))))
+      new-string)))
 
 (defun escape-xml-string (string)
   "Escape invalid XML characters"