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author | Jon Skeet <skeet@pobox.com> | 2015-06-19 17:30:13 +0100 |
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committer | Jon Skeet <skeet@pobox.com> | 2015-06-19 17:30:13 +0100 |
commit | cdeda4b87625084f5687115bb1fd7772b7c34ad6 (patch) | |
tree | 373f4c38dbfb318626037ff204c30466574ab876 /csharp/src/ProtocolBuffers/MessageExtensions.cs | |
parent | d7dda2fed8c37a83e2d4cd7ecc4201b628588c4c (diff) | |
download | protobuf-cdeda4b87625084f5687115bb1fd7772b7c34ad6.tar.gz protobuf-cdeda4b87625084f5687115bb1fd7772b7c34ad6.tar.bz2 protobuf-cdeda4b87625084f5687115bb1fd7772b7c34ad6.zip |
Minor cleanup.
- Make some members internal
- Remove a lot of FrameworkPortability that isn't required
- Start adding documentation comments
- Remove some more group-based members
- Not passing in "the last tag read" into Read*Array, g
Diffstat (limited to 'csharp/src/ProtocolBuffers/MessageExtensions.cs')
-rw-r--r-- | csharp/src/ProtocolBuffers/MessageExtensions.cs | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/csharp/src/ProtocolBuffers/MessageExtensions.cs b/csharp/src/ProtocolBuffers/MessageExtensions.cs new file mode 100644 index 00000000..57cecfd4 --- /dev/null +++ b/csharp/src/ProtocolBuffers/MessageExtensions.cs @@ -0,0 +1,81 @@ +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()); + } + } +} |