Completed abstract lite builder and message
diff --git a/src/ProtocolBuffers/AbstractMessageLite.cs b/src/ProtocolBuffers/AbstractMessageLite.cs
new file mode 100644
index 0000000..9688475
--- /dev/null
+++ b/src/ProtocolBuffers/AbstractMessageLite.cs
@@ -0,0 +1,131 @@
+#region Copyright notice and license
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc. All rights reserved.
+// http://github.com/jskeet/dotnet-protobufs/
+// Original C++/Java/Python code:
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#endregion
+
+using System.Collections;
+using System.Collections.Generic;
+using System.IO;
+
+namespace Google.ProtocolBuffers {
+ /// <summary>
+ /// Implementation of the non-generic IMessage interface as far as possible.
+ /// </summary>
+ public abstract class AbstractMessageLite<TMessage, TBuilder> : IMessageLite<TMessage, TBuilder>
+ where TMessage : AbstractMessageLite<TMessage, TBuilder>
+ where TBuilder : AbstractBuilderLite<TMessage, TBuilder> {
+
+
+ public abstract TBuilder CreateBuilderForType();
+
+ public abstract TBuilder ToBuilder();
+
+ public abstract TMessage DefaultInstanceForType { get; }
+
+ public abstract bool IsInitialized { get; }
+
+ public abstract void WriteTo(CodedOutputStream output);
+
+ public abstract int SerializedSize { get; }
+
+ //public override bool Equals(object other) {
+ //}
+
+ //public override int GetHashCode() {
+ //}
+
+ #region IMessageLite<TMessage,TBuilder> Members
+
+ /// <summary>
+ /// Serializes the message to a ByteString. This is a trivial wrapper
+ /// around WriteTo(CodedOutputStream).
+ /// </summary>
+ public ByteString ToByteString() {
+ ByteString.CodedBuilder output = new ByteString.CodedBuilder(SerializedSize);
+ WriteTo(output.CodedOutput);
+ return output.Build();
+ }
+
+ /// <summary>
+ /// Serializes the message to a byte array. This is a trivial wrapper
+ /// around WriteTo(CodedOutputStream).
+ /// </summary>
+ public byte[] ToByteArray() {
+ byte[] result = new byte[SerializedSize];
+ CodedOutputStream output = CodedOutputStream.CreateInstance(result);
+ WriteTo(output);
+ output.CheckNoSpaceLeft();
+ return result;
+ }
+
+ /// <summary>
+ /// Serializes the message and writes it to the given stream.
+ /// This is just a wrapper around WriteTo(CodedOutputStream). This
+ /// does not flush or close the stream.
+ /// </summary>
+ /// <param name="output"></param>
+ public void WriteTo(Stream output) {
+ CodedOutputStream codedOutput = CodedOutputStream.CreateInstance(output);
+ WriteTo(codedOutput);
+ codedOutput.Flush();
+ }
+
+ /// <summary>
+ /// Like WriteTo(Stream) but writes the size of the message as a varint before
+ /// writing the data. This allows more data to be written to the stream after the
+ /// message without the need to delimit the message data yourself. Use
+ /// IBuilder.MergeDelimitedFrom(Stream) or the static method
+ /// YourMessageType.ParseDelimitedFrom(Stream) to parse messages written by this method.
+ /// </summary>
+ /// <param name="output"></param>
+ public void WriteDelimitedTo(Stream output) {
+ CodedOutputStream codedOutput = CodedOutputStream.CreateInstance(output);
+ codedOutput.WriteRawVarint32((uint)SerializedSize);
+ WriteTo(codedOutput);
+ codedOutput.Flush();
+ }
+
+ IBuilderLite IMessageLite.WeakCreateBuilderForType() {
+ return CreateBuilderForType();
+ }
+
+ IBuilderLite IMessageLite.WeakToBuilder() {
+ return ToBuilder();
+ }
+
+ IMessageLite IMessageLite.WeakDefaultInstanceForType {
+ get { return DefaultInstanceForType; }
+ }
+
+ #endregion
+ }
+}