initial checkin. StringComparator is a virtual class used for doing String

comparisons. DefaultStringComparator is the default implementation of
StringComparator. Map.h/cpp is a simple HashMap implementation for TxObjects.


git-svn-id: svn://10.0.0.236/trunk@65695 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/extensions/transformiix/source/base/DefaultStringComparator.cpp

@@ -0,0 +1,67 @@
+/*
+ * The contents of this file are subject to the Mozilla Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * The Original Code is XSL:P XSLT processor.
+ *
+ * The Initial Developer of the Original Code is Keith Visco.
+ * Portions created by Keith Visco (C) 1999-2000 Keith Visco.
+ * All Rights Reserved..
+ *
+ * Contributor(s):
+ *
+ * Keith Visco, kvisco@ziplink.net
+ *    -- original author.
+ *
+ * $Id: DefaultStringComparator.cpp,v 1.1 2000-04-12 10:49:27 kvisco%ziplink.net Exp $
+ */
+
+#include "StringComparator.h"
+
+/**
+ * Creates a new DefaultStringComparator
+**/
+DefaultStringComparator::DefaultStringComparator() {
+    //-- do nothing for now
+}
+
+/**
+ * Destroys this DefaultStringComparator
+**/
+DefaultStringComparator::~DefaultStringComparator() {
+    //-- do nothing for now
+}
+
+/**
+ * Compares the given Strings. -1 is returned if str1 is less than str2,
+ * 0 is returned if the two Strings are equal, and 1  is return if str1 is
+ * greater than str2.
+**/
+int DefaultStringComparator::compare(const String& str1, const String& str2) {
+
+    int len1 = str1.length();
+    int len2 = str2.length();
+
+    int c = 0;
+    while ((c < len1) && (c < len2)) {
+        Int32 ch1 = str1.charAt(c);
+        Int32 ch2 = str2.charAt(c);
+        if (ch1 < ch2) return -1;
+        else if (ch2 < ch1) return 1;
+        ++c;
+    }
+
+    if (len1 == len2) return 0;
+    else if (len1 < len2) return -1;
+    else return 1;
+
+} //-- compare
+
+