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#region Copyright notice and license
// Protocol Buffers - Google's data interchange format
// Copyright 2015 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// 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.IO;
namespace Google.Protobuf
{
/// <summary>
/// Extension methods on <see cref="IMessage"/> and <see cref="IMessage{T}"/>.
/// </summary>
public static class MessageExtensions
{
public static void MergeFrom(this IMessage message, byte[] data)
{
ThrowHelper.ThrowIfNull(message, "message");
ThrowHelper.ThrowIfNull(data, "data");
CodedInputStream input = CodedInputStream.CreateInstance(data);
message.MergeFrom(input);
input.CheckLastTagWas(0);
}
public static void MergeFrom(this IMessage message, ByteString data)
{
ThrowHelper.ThrowIfNull(message, "message");
ThrowHelper.ThrowIfNull(data, "data");
CodedInputStream input = data.CreateCodedInput();
message.MergeFrom(input);
input.CheckLastTagWas(0);
}
public static void MergeFrom(this IMessage message, Stream input)
{
ThrowHelper.ThrowIfNull(message, "message");
ThrowHelper.ThrowIfNull(input, "input");
CodedInputStream codedInput = CodedInputStream.CreateInstance(input);
message.MergeFrom(codedInput);
codedInput.CheckLastTagWas(0);
}
public static void MergeDelimitedFrom(this IMessage message, Stream input)
{
ThrowHelper.ThrowIfNull(message, "message");
ThrowHelper.ThrowIfNull(input, "input");
int size = (int) CodedInputStream.ReadRawVarint32(input);
Stream limitedStream = new LimitedInputStream(input, size);
message.MergeFrom(limitedStream);
}
public static byte[] ToByteArray(this IMessage message)
{
ThrowHelper.ThrowIfNull(message, "message");
byte[] result = new byte[message.CalculateSize()];
CodedOutputStream output = CodedOutputStream.CreateInstance(result);
message.WriteTo(output);
output.CheckNoSpaceLeft();
return result;
}
public static void WriteTo(this IMessage message, Stream output)
{
ThrowHelper.ThrowIfNull(message, "message");
ThrowHelper.ThrowIfNull(output, "output");
CodedOutputStream codedOutput = CodedOutputStream.CreateInstance(output);
message.WriteTo(codedOutput);
codedOutput.Flush();
}
public static void WriteDelimitedTo(this IMessage message, Stream output)
{
ThrowHelper.ThrowIfNull(message, "message");
ThrowHelper.ThrowIfNull(output, "output");
CodedOutputStream codedOutput = CodedOutputStream.CreateInstance(output);
codedOutput.WriteRawVarint32((uint)message.CalculateSize());
message.WriteTo(codedOutput);
codedOutput.Flush();
}
public static ByteString ToByteString(this IMessage message)
{
ThrowHelper.ThrowIfNull(message, "message");
return ByteString.AttachBytes(message.ToByteArray());
}
}
}
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