5
// Jb Evain (jbevain@gmail.com)
9
// Permission is hereby granted, free of charge, to any person obtaining
10
// a copy of this software and associated documentation files (the
11
// "Software"), to deal in the Software without restriction, including
12
// without limitation the rights to use, copy, modify, merge, publish,
13
// distribute, sublicense, and/or sell copies of the Software, and to
14
// permit persons to whom the Software is furnished to do so, subject to
15
// the following conditions:
17
// The above copyright notice and this permission notice shall be
18
// included in all copies or substantial portions of the Software.
20
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29
namespace Mono.Cecil.Metadata {
35
public abstract class MetadataHeap : IMetadataVisitable {
37
MetadataStream m_stream;
42
get { return m_name; }
46
get { return m_data; }
47
set { m_data = value; }
52
internal MetadataHeap (MetadataStream stream, string name)
58
public static MetadataHeap HeapFactory (MetadataStream stream)
60
switch (stream.Header.Name) {
61
case MetadataStream.Tables :
62
case MetadataStream.IncrementalTables :
63
return new TablesHeap (stream);
64
case MetadataStream.GUID :
65
return new GuidHeap (stream);
66
case MetadataStream.Strings :
67
return new StringsHeap (stream);
68
case MetadataStream.UserStrings :
69
return new UserStringsHeap (stream);
70
case MetadataStream.Blob :
71
return new BlobHeap (stream);
77
public MetadataStream GetStream ()
82
protected virtual byte [] ReadBytesFromStream (uint pos)
84
int start, length = Utilities.ReadCompressedInteger (m_data, (int) pos, out start);
85
byte [] buffer = new byte [length];
86
Buffer.BlockCopy (m_data, start, buffer, 0, length);
90
public abstract void Accept (IMetadataVisitor visitor);