private void ReadSectionMixedMarshallingRelocationsInternal(Section section, Stream relocationsStream)
{
#if DEBUG_GR2_SERIALIZATION
System.Console.WriteLine(String.Format(" ===== Mixed marshalling relocations for section at {0:X8} ===== ", section.Header.offsetInFile));
#endif
using (var relocationsReader = new BinaryReader(relocationsStream, Encoding.Default, true))
{
for (int i = 0; i < section.Header.numMixedMarshallingData; i++)
{
UInt32 count = relocationsReader.ReadUInt32();
UInt32 offsetInSection = relocationsReader.ReadUInt32();
Debug.Assert(offsetInSection <= section.Header.uncompressedSize);
var type = ReadSectionReference(relocationsReader);
var typeDefn = new StructReference();
typeDefn.Offset = Sections[(int)type.Section].Header.offsetInFile + type.Offset;
Seek(section, offsetInSection);
MixedMarshal(count, typeDefn.Resolve(this));
#if DEBUG_GR2_SERIALIZATION
System.Console.WriteLine(String.Format(" {0:X8} [{1}] --> {2}:{3:X8}", offsetInSection, count, (SectionType)type.Section, type.Offset));
#endif
}
}
}
public StructReference ReadStructReference()
{
var reference = new StructReference();
if (Magic.Is32Bit)
{
reference.Offset = Reader.ReadUInt32();
}
else
{
reference.Offset = Reader.ReadUInt64();
}
return(reference);
}
public void Read(object root)
{
using (this.InputReader = new BinaryReader(InputStream))
{
Magic = ReadMagic();
if (Magic.format != Magic.Format.LittleEndian32 && Magic.format != Magic.Format.LittleEndian64)
{
throw new ParsingException("Only little-endian GR2 files are supported");
}
Header = ReadHeader();
for (int i = 0; i < Header.numSections; i++)
{
var section = new Section();
section.Header = ReadSectionHeader();
Sections.Add(section);
}
Debug.Assert(InputStream.Position == Magic.headersSize);
UncompressStream();
foreach (var section in Sections)
{
ReadSectionRelocations(section);
}
if (Magic.IsLittleEndian != BitConverter.IsLittleEndian)
{
// TODO: This should be done before applying relocations?
foreach (var section in Sections)
{
ReadSectionMixedMarshallingRelocations(section);
}
}
var rootStruct = new StructReference();
rootStruct.Offset = Sections[(int)Header.rootType.Section].Header.offsetInFile + Header.rootType.Offset;
Seek(Header.rootNode);
ReadStruct(rootStruct.Resolve(this), MemberType.Inline, root, null);
}
}
private void ReadSectionMixedMarshallingRelocations(Section section)
{
#if DEBUG_GR2_SERIALIZATION
System.Console.WriteLine(String.Format(" ===== Mixed marshalling relocations for section at {0:X8} ===== ", section.Header.offsetInFile));
#endif
InputStream.Seek(section.Header.mixedMarshallingDataOffset, SeekOrigin.Begin);
for (int i = 0; i < section.Header.numMixedMarshallingData; i++)
{
UInt32 count = InputReader.ReadUInt32();
UInt32 offsetInSection = InputReader.ReadUInt32();
Debug.Assert(offsetInSection <= section.Header.uncompressedSize);
var type = ReadSectionReference();
var typeDefn = new StructReference();
typeDefn.Offset = Sections[(int)type.Section].Header.offsetInFile + type.Offset;
Seek(section, offsetInSection);
MixedMarshal(count, typeDefn.Resolve(this));
#if DEBUG_GR2_SERIALIZATION
System.Console.WriteLine(String.Format(" {0:X8} [{1}] --> {2}:{3:X8}", offsetInSection, count, (SectionType)type.Section, type.Offset));
#endif
}
}
