// // MetadataHeap.cs // // Author: // Jb Evain (jbevain@gmail.com) // // (C) 2005 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. // namespace Mono.Cecil.Metadata { using System; using Mono.Cecil; public abstract class MetadataHeap : IMetadataVisitable { MetadataStream m_stream; string m_name; byte [] m_data; public string Name { get { return m_name; } } public byte [] Data { get { return m_data; } set { m_data = value; } } public int IndexSize; internal MetadataHeap (MetadataStream stream, string name) { m_name = name; m_stream = stream; } public static MetadataHeap HeapFactory (MetadataStream stream) { switch (stream.Header.Name) { case MetadataStream.Tables : case MetadataStream.IncrementalTables : return new TablesHeap (stream); case MetadataStream.GUID : return new GuidHeap (stream); case MetadataStream.Strings : return new StringsHeap (stream); case MetadataStream.UserStrings : return new UserStringsHeap (stream); case MetadataStream.Blob : return new BlobHeap (stream); default : return null; } } public MetadataStream GetStream () { return m_stream; } protected virtual byte [] ReadBytesFromStream (uint pos) { int start, length = Utilities.ReadCompressedInteger (m_data, (int) pos, out start); byte [] buffer = new byte [length]; Buffer.BlockCopy (m_data, start, buffer, 0, length); return buffer; } public abstract void Accept (IMetadataVisitor visitor); } }