public override void VisitMetadataStreamCollection(MetadataStreamCollection streams)
{
foreach (MetadataStream stream in streams)
{
MetadataStream.MetadataStreamHeader header = stream.Header;
header.Offset = (uint)(m_binaryWriter.BaseStream.Position);
m_binaryWriter.Write(header.Offset);
MemoryBinaryWriter container;
string name = header.Name;
uint size = 0;
switch (header.Name)
{
case MetadataStream.Tables:
container = m_tWriter;
size += 24; // header
break;
case MetadataStream.Strings:
name += "\0\0\0\0";
container = m_stringWriter;
break;
case MetadataStream.GUID:
container = m_guidWriter;
break;
case MetadataStream.Blob:
container = m_blobWriter;
break;
case MetadataStream.UserStrings:
container = m_usWriter;
break;
default:
throw new MetadataFormatException("Unknown stream kind");
}
size += (uint)(container.BaseStream.Length + 3 & (~3));
m_binaryWriter.Write(size);
m_binaryWriter.Write(Encoding.ASCII.GetBytes(name));
m_binaryWriter.QuadAlign();
}
}
public override void VisitMetadataStreamHeader(MetadataStream.MetadataStreamHeader header)
{
header.Offset = m_binaryReader.ReadUInt32();
header.Size = m_binaryReader.ReadUInt32();
StringBuilder buffer = new StringBuilder();
while (true)
{
char cur = (char)m_binaryReader.ReadSByte();
if (cur == '\0')
{
break;
}
buffer.Append(cur);
}
header.Name = buffer.ToString();
if (header.Name.Length == 0)
{
throw new MetadataFormatException("Invalid stream name");
}
long rootpos = m_root.GetImage().ResolveVirtualAddress(
m_root.GetImage().CLIHeader.Metadata.VirtualAddress);
long curpos = m_binaryReader.BaseStream.Position;
if (header.Size != 0)
{
curpos -= rootpos;
}
curpos += 3;
curpos &= ~3;
if (header.Size != 0)
{
curpos += rootpos;
}
m_binaryReader.BaseStream.Position = curpos;
header.Stream.Heap = MetadataHeap.HeapFactory(header.Stream);
}