/Mono.Cecil.Metadata/BlobHeap.cs
http://github.com/jbevain/cecil · C# · 54 lines · 32 code · 13 blank · 9 comment · 7 complexity · 0dbc76eb241e39ee93a549fc37024dd5 MD5 · raw file
- //
- // Author:
- // Jb Evain (jbevain@gmail.com)
- //
- // Copyright (c) 2008 - 2015 Jb Evain
- // Copyright (c) 2008 - 2011 Novell, Inc.
- //
- // Licensed under the MIT/X11 license.
- //
- using System;
- namespace Mono.Cecil.Metadata {
- sealed class BlobHeap : Heap {
- public BlobHeap (byte [] data)
- : base (data)
- {
- }
- public byte [] Read (uint index)
- {
- if (index == 0 || index > this.data.Length - 1)
- return Empty<byte>.Array;
- int position = (int) index;
- int length = (int) data.ReadCompressedUInt32 (ref position);
- if (length > data.Length - position)
- return Empty<byte>.Array;
- var buffer = new byte [length];
- Buffer.BlockCopy (data, position, buffer, 0, length);
- return buffer;
- }
- public void GetView (uint signature, out byte [] buffer, out int index, out int length)
- {
- if (signature == 0 || signature > data.Length - 1) {
- buffer = null;
- index = length = 0;
- return;
- }
- buffer = data;
- index = (int) signature;
- length = (int) buffer.ReadCompressedUInt32 (ref index);
- }
- }
- }