1/*
2 * Copyright 2017 Google Inc. All rights reserved.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17using System;
18
19namespace Google.FlatBuffers
20{
21 /// <summary>
22 /// Class that collects utility functions around `ByteBuffer`.
23 /// </summary>
24 public class ByteBufferUtil
25 {
26 // Extract the size prefix from a `ByteBuffer`.
27 public static int GetSizePrefix(ByteBuffer bb) {
28 return bb.GetInt(bb.Position);
29 }
30
31 // Create a duplicate of a size-prefixed `ByteBuffer` that has its position
32 // advanced just past the size prefix.
33 public static ByteBuffer RemoveSizePrefix(ByteBuffer bb) {
34 ByteBuffer s = bb.Duplicate();
35 s.Position += FlatBufferConstants.SizePrefixLength;
36 return s;
37 }
38 }
39}
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