2005-06-26 Gonzalo Paniagua Javier <[email protected]>

	* StrUtils.cs: new string utilities.


svn path=/trunk/mcs/; revision=46527

mcs/class/System.Web/System.Web.Util/ChangeLog

@@ -1,3 +1,7 @@
+2005-06-26 Gonzalo Paniagua Javier <[email protected]>
+
+	* StrUtils.cs: new string utilities.
+
 2005-05-09  Ben Maurer  <[email protected]>
 
 	* UrlUtils.cs (Reduce): a more efficient impl that avoids an

mcs/class/System.Web/System.Web.Util/StrUtils.cs

@@ -0,0 +1,76 @@
+//
+// System.Web.Util.StrUtils
+//
+// Author(s):
+//  Gonzalo Paniagua Javier ([email protected])
+//
+// (C) 2005 Novell, Inc, (http://www.novell.com)
+//
+
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+using System;
+using System.Globalization;
+
+namespace System.Web.Util {
+	internal sealed class StrUtils {
+		static CultureInfo invariant = CultureInfo.InvariantCulture;
+		private StrUtils () { }
+		
+		public static bool StartsWith (string str1, string str2)
+		{
+			return StartsWith (str1, str2, false);
+		}
+
+		public static bool StartsWith (string str1, string str2, bool ignore_case)
+		{
+			int l2 = str2.Length;
+			if (l2 == 0)
+				return true;
+
+			int l1 = str1.Length;
+			if (l2 > l1)
+				return false;
+
+			return (0 == String.Compare (str1, 0, str2, 0, l2, ignore_case, invariant));
+		}
+
+		public static bool EndsWith (string str1, string str2)
+		{
+			return EndsWith (str1, str2, false);
+		}
+
+		public static bool EndsWith (string str1, string str2, bool ignore_case)
+		{
+			int l2 = str2.Length;
+			if (l2 == 0)
+				return true;
+
+			int l1 = str1.Length;
+			if (l2 > l1)
+				return false;
+
+			return (0 == String.Compare (str1, l1 - l2, str2, 0, l2, ignore_case, invariant));
+		}
+	}
+}
+