private bool ParseRowData(Unmarshal context, BinaryReader source)
{
if (Descriptor == null)
{
return(false);
}
values = new PyRep[Descriptor.Columns.Count];
var sizeList = Descriptor.Columns.OrderByDescending(c => FieldTypeHelper.GetTypeBits(c.Type));
var sizeSum = sizeList.Sum(c => FieldTypeHelper.GetTypeBits(c.Type));
// align
sizeSum = (sizeSum + 7) >> 3;
var rawStream = new MemoryStream();
// fill up
rawStream.Write(RawData, 0, RawData.Length);
for (int i = 0; i < (sizeSum - RawData.Length); i++)
{
rawStream.WriteByte(0);
}
rawStream.Seek(0, SeekOrigin.Begin);
var reader = new BinaryReader(rawStream);
int bitOffset = 0;
foreach (var column in sizeList)
{
PyRep value = null;
switch (column.Type)
{
case FieldType.I8:
case FieldType.UI8:
case FieldType.CY:
case FieldType.FileTime:
value = new PyLongLong(reader.ReadInt64());
break;
case FieldType.I4:
case FieldType.UI4:
value = new PyInt(reader.ReadInt32());
break;
case FieldType.I2:
case FieldType.UI2:
value = new PyInt(reader.ReadInt16());
break;
case FieldType.I1:
case FieldType.UI1:
value = new PyInt(reader.ReadByte());
break;
case FieldType.R8:
value = new PyFloat(reader.ReadDouble());
break;
case FieldType.R4:
value = new PyFloat(reader.ReadSingle());
break;
case FieldType.Bytes:
case FieldType.Str:
case FieldType.WStr:
value = context.ReadObject(source);
break;
case FieldType.Bool:
{
if (7 < bitOffset)
{
bitOffset = 0;
reader.ReadByte();
}
var b = reader.ReadByte();
reader.BaseStream.Seek(-1, SeekOrigin.Current);
value = new PyInt((b >> bitOffset++) & 0x01);
break;
}
case FieldType.Token:
value = new PyToken(column.Token);
break;
default:
throw new Exception("No support for " + column.Type);
}
int index = Descriptor.Columns.FindIndex(x => x.Name == column.Name);
values[index] = value;
}
return(true);
}
private static string PrintFloat(PyFloat fl)
{
return "[PyFloat " + fl.Value + "]";
}
