public void ReadDataRefContents(DataRef field)
{
if (field.Length < 0)
{
return;
}
bool opened = OpenReader();
if (_reader == null)
{
return;
}
try
{
// Calculate the base offset to read from
long oldBaseOffset = BaseOffset;
long dataOffset = field.DataAddress;
if (_type == LoadType.File)
{
dataOffset = (uint)_cache.MetaArea.PointerToOffset(dataOffset);
}
_reader.SeekTo(dataOffset);
switch (field.Format)
{
default:
byte[] data = _reader.ReadBlock(field.Length);
field.Value = FunctionHelpers.BytesToHexString(data);
break;
case "utf16":
field.Value = _reader.ReadUTF16(field.Length);
break;
case "asciiz":
field.Value = _reader.ReadAscii(field.Length);
break;
}
BaseOffset = oldBaseOffset;
}
finally
{
if (opened)
{
CloseReader();
}
}
}
public void VisitDataRef(DataRef field)
{
SeekToOffset(field.Offset);
StructureValueCollection values = StructureReader.ReadStructure(_reader, _dataRefLayout);
var length = (int)values.GetInteger("size");
uint pointer = values.GetInteger("pointer");
if (length > 0)
{
if (_cache.GetType() == typeof(Blamite.Blam.FourthGen.FourthGenCacheFile))
{
pointer = HeaderOffset + (pointer & 0xFFFFFFF);
}
field.DataAddress = pointer;
field.Length = length;
// Go to position
if (_type == LoadType.Memory)
{
_reader.SeekTo(pointer);
}
else
{
_reader.SeekTo(_cache.MetaArea.PointerToOffset(pointer));
}
switch (field.Format)
{
default:
byte[] data = _reader.ReadBlock(field.Length);
field.Value = FunctionHelpers.BytesToHexString(data);
break;
case "unicode":
field.Value = _reader.ReadUTF16(field.Length);
break;
case "asciiz":
field.Value = _reader.ReadAscii(field.Length);
break;
}
}
else
{
field.DataAddress = 0;
field.Length = 0;
field.Value = "";
}
}
public void VisitDataRef(DataRef field)
{
SeekToOffset(field.Offset);
StructureValueCollection values = StructureReader.ReadStructure(_reader, _dataRefLayout);
var length = (int)values.GetInteger("size");
uint pointer = (uint)values.GetInteger("pointer");
long expanded = _cache.PointerExpander.Expand(pointer);
if (length > 0 && _cache.MetaArea.ContainsBlockPointer(expanded, length))
{
field.DataAddress = expanded;
field.Length = length;
// Go to position
if (_type == LoadType.Memory)
{
_reader.SeekTo(expanded);
}
else
{
_reader.SeekTo(_cache.MetaArea.PointerToOffset(expanded));
}
switch (field.Format)
{
default:
byte[] data = _reader.ReadBlock(field.Length);
field.Value = FunctionHelpers.BytesToHexString(data);
break;
case "unicode":
field.Value = _reader.ReadUTF16(field.Length);
break;
case "asciiz":
field.Value = _reader.ReadAscii(field.Length);
break;
}
}
else
{
field.DataAddress = 0;
field.Length = 0;
field.Value = "";
}
}
public void VisitRawData(RawData field)
{
SeekToOffset(field.Offset);
field.DataAddress = field.FieldAddress;
field.Value = FunctionHelpers.BytesToHexString(_reader.ReadBlock(field.Length));
}
