40 lines
1.2 KiB
C#
40 lines
1.2 KiB
C#
|
/*
|
||
|
|
* Copyright 2017 Google Inc. All rights reserved.
|
||
|
|
*
|
||
|
|
* 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
using System;
|
||
|
|
|
||
|
|
namespace FlatBuffers
|
||
|
|
{
|
||
|
|
/// <summary>
|
||
|
|
/// Class that collects utility functions around `ByteBuffer`.
|
||
|
|
/// </summary>
|
||
|
|
public class ByteBufferUtil
|
||
|
|
{
|
||
|
|
// Extract the size prefix from a `ByteBuffer`.
|
||
|
|
public static int GetSizePrefix(ByteBuffer bb) {
|
||
|
|
return bb.GetInt(bb.Position);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Create a duplicate of a size-prefixed `ByteBuffer` that has its position
|
||
|
|
// advanced just past the size prefix.
|
||
|
|
public static ByteBuffer RemoveSizePrefix(ByteBuffer bb) {
|
||
|
|
ByteBuffer s = bb.Duplicate();
|
||
|
|
s.Position += FlatBufferConstants.SizePrefixLength;
|
||
|
|
return s;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|