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Diffstat (limited to 'src/ProtocolBuffers/AbstractMessageLite.cs')
-rw-r--r-- | src/ProtocolBuffers/AbstractMessageLite.cs | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/src/ProtocolBuffers/AbstractMessageLite.cs b/src/ProtocolBuffers/AbstractMessageLite.cs new file mode 100644 index 00000000..ee75f3dd --- /dev/null +++ b/src/ProtocolBuffers/AbstractMessageLite.cs @@ -0,0 +1,133 @@ +#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() { + //} + + public abstract void PrintTo(TextWriter writer); + + #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 + } +} |