Merge pull request #5 from jzablocki/master

Allow full key fidelity

Enyim.Caching/Enyim.Caching.csproj

@@ -124,6 +124,7 @@
     <Compile Include="Memcached\IOperationFactory.cs">
     </Compile>
     <Compile Include="MemcachedClient.Results.cs" />
+    <Compile Include="Memcached\KeyTransformers\LegacyMemcachedKeyTransformer.cs" />
     <Compile Include="Memcached\PerformanceMonitor\DefaultPerformanceMonitorFactory.cs" />
     <Compile Include="Memcached\PerformanceMonitor\IPerformanceMonitor.cs" />
     <Compile Include="Memcached\PerformanceMonitor\PerformanceCounterInstaller.cs">

Enyim.Caching/Memcached/KeyTransformers/DefaultKeyTransformer.cs

@@ -1,47 +1,40 @@
 using System;
+using System.Text;
 
 namespace Enyim.Caching.Memcached
 {
+	/// <summary>
+	/// A transformer that simply returns the original key.
+	/// A valid UTF-8 key is recommended.
+	/// </summary>
 	public class DefaultKeyTransformer : KeyTransformerBase
 	{
-		static readonly char[] ForbiddenChars = { 
-			'\u0000', '\u0001', '\u0002', '\u0003',
-			'\u0004', '\u0005', '\u0006', '\u0007',
-			'\u0008', '\u0009', '\u000a', '\u000b',
-			'\u000c', '\u000d', '\u000e', '\u000f',
-			'\u0010', '\u0011', '\u0012', '\u0013',
-			'\u0014', '\u0015', '\u0016', '\u0017',
-			'\u0018', '\u0019', '\u001a', '\u001b',
-			'\u001c', '\u001d', '\u001e', '\u001f',
-			'\u0020'
-		};
-
 		public override string Transform(string key)
 		{
-			if (key.IndexOfAny(ForbiddenChars) > -1)
-				throw new ArgumentException("Keys cannot contain the chars 0x00-0x20 and space.");
-
+			//default behavior is to allow all valid strings
 			return key;
 		}
 	}
 }
 
 #region [ License information          ]
 /* ************************************************************
- * 
- *    Copyright (c) 2010 Attila Kiskó, enyim.com
- *    
+ *
+ *    @author Couchbase <info@couchbase.com>
+ *    @copyright 2012 Couchbase, Inc.
+ *   Copyright (c) 2010 Attila Kiskó, enyim.com
+ *
  *    Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
- *    
+ *
  *    Unless required by applicable law or agreed to in writing, software
  *    distributed under the License is distributed on an "AS IS" BASIS,
  *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  *    See the License for the specific language governing permissions and
  *    limitations under the License.
- *    
+ *
  * ************************************************************/
 #endregion

Enyim.Caching/Memcached/KeyTransformers/LegacyMemcachedKeyTransformer.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace Enyim.Caching.Memcached.KeyTransformers
+{
+	/// <summary>
+	/// A key transfomer that provides support for legacy memcached key rules
+	/// </summary>
+	public class LegacyMemcachedKeyTransformer : KeyTransformerBase
+	{
+		static readonly char[] ForbiddenChars = { 
+			'\u0000', '\u0001', '\u0002', '\u0003',
+			'\u0004', '\u0005', '\u0006', '\u0007',
+			'\u0008', '\u0009', '\u000a', '\u000b',
+			'\u000c', '\u000d', '\u000e', '\u000f',
+			'\u0010', '\u0011', '\u0012', '\u0013',
+			'\u0014', '\u0015', '\u0016', '\u0017',
+			'\u0018', '\u0019', '\u001a', '\u001b',
+			'\u001c', '\u001d', '\u001e', '\u001f',
+			'\u0020'
+		};
+
+		public override string Transform(string key)
+		{
+			if (key.IndexOfAny(ForbiddenChars) > -1)
+				throw new ArgumentException("Keys cannot contain the chars 0x00-0x20 and space.");
+
+			return key;
+		}
+	}
+}
+
+#region [ License information          ]
+/* ************************************************************
+ *
+ *    @author Couchbase <info@couchbase.com>
+ *    @copyright 2012 Couchbase, Inc.
+ *   Copyright (c) 2010 Attila Kiskó, enyim.com
+ *
+ *    Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ *
+ * ************************************************************/
+#endregion