ET9_WebGL_Dev/Unity/Assets/ILRuntime/Mono.Cecil.20/MonoCecil/Mono.Cecil.Metadata/BlobHeap.cs

//
// BlobHeap.cs
//
// Author:
//   Jb Evain (jbevain@gmail.com)
//
// Copyright (c) 2008 - 2011 Jb Evain
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System;

using Mono.Cecil.PE;

namespace Mono.Cecil.Metadata
{

    sealed class BlobHeap : Heap
    {

        public BlobHeap(Section section, uint start, uint size)
            : base(section, start, size)
        {
        }

        public byte[] Read(uint index)
        {
            if (index == 0 || index > Size - 1)
                return Empty<byte>.Array;

            var data = Section.Data;

            int position = (int)(index + Offset);
            int length = (int)Mixin.ReadCompressedUInt32(data, ref position);

            var buffer = new byte[length];

            Buffer.BlockCopy(data, position, buffer, 0, length);

            return buffer;
        }
    }
}