public override void Decode(Unmarshal context, MarshalOpcode op, BinaryReader source)
{
if (op == MarshalOpcode.ObjectEx2)
{
IsType2 = true;
}
Dictionary = new Dictionary <PyObject, PyObject>();
List = new List <PyObject>();
Header = context.ReadObject(source);
while (source.BaseStream.Position < source.BaseStream.Length)
{
var b = source.ReadByte();
if (b == PackedTerminator)
{
break;
}
source.BaseStream.Seek(-1, SeekOrigin.Current);
List.Add(context.ReadObject(source));
}
while (source.BaseStream.Position < source.BaseStream.Length)
{
var b = source.ReadByte();
if (b == PackedTerminator)
{
break;
}
source.BaseStream.Seek(-1, SeekOrigin.Current);
var key = context.ReadObject(source);
var value = context.ReadObject(source);
Dictionary.Add(key, value);
}
}
public override void Decode(Unmarshal context, MarshalOpcode op, BinaryReader source)
{
var entries = source.ReadSizeEx();
Dictionary = new Dictionary <PyObject, PyObject>((int)entries);
for (uint i = 0; i < entries; i++)
{
var value = context.ReadObject(source);
var key = context.ReadObject(source);
Dictionary.Add(key, value);
}
}
public override void Decode(Unmarshal context, MarshalOpcode op, BinaryReader source)
{
var nameObject = context.ReadObject(source);
if (nameObject.Type != PyObjectType.String)
{
throw new DataException("Expected PyString");
}
Name = (nameObject as PyString).Value;
Arguments = context.ReadObject(source);
}
public override void Decode(Unmarshal context, MarshalOpcode op, BinaryReader source)
{
int count = -1;
switch (op)
{
case MarshalOpcode.TupleEmpty:
count = 0;
break;
case MarshalOpcode.TupleOne:
count = 1;
break;
case MarshalOpcode.TupleTwo:
count = 2;
break;
case MarshalOpcode.Tuple:
count = (int)source.ReadSizeEx();
break;
}
if (count >= 0)
{
Items = new List <PyObject>(count);
for (int i = 0; i < count; i++)
{
Items.Add(context.ReadObject(source));
}
}
}
public override void Decode(Unmarshal context, MarshalOpcode op, BinaryReader source)
{
context.NeedObjectEx = true;
Header = context.ReadObject(source);
context.NeedObjectEx = false;
RawData = LoadZeroCompressed(source);
if (!ParseRowData(context, source))
{
throw new InvalidDataException("Could not fully unpack PackedRow, stream integrity is broken");
}
}
private bool ParseRowData(Unmarshal context, BinaryReader source)
{
var objex = Header as PyObjectEx;
if (objex == null)
{
return(false);
}
var header = objex.Header as PyTuple;
if (header == null || header.Items.Count < 2)
{
return(false);
}
var columns = header.Items[1] as PyTuple;
if (columns == null)
{
return(false);
}
columns = columns.Items[0] as PyTuple;
if (columns == null)
{
return(false);
}
Columns = new List <Column>(columns.Items.Count);
foreach (var obj in columns.Items)
{
var fieldData = obj as PyTuple;
if (fieldData == null || fieldData.Items.Count < 2)
{
continue;
}
var name = fieldData.Items[0] as PyString;
if (name == null)
{
continue;
}
Columns.Add(new Column(name.Value, (FieldType)fieldData.Items[1].IntValue));
}
var sizeList = 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)
{
switch (column.Type)
{
case FieldType.I8:
case FieldType.UI8:
case FieldType.CY:
case FieldType.FileTime:
column.Value = new PyLongLong(reader.ReadInt64());
break;
case FieldType.I4:
case FieldType.UI4:
column.Value = new PyInt(reader.ReadInt32());
break;
case FieldType.I2:
case FieldType.UI2:
column.Value = new PyInt(reader.ReadInt16());
break;
case FieldType.I1:
case FieldType.UI1:
column.Value = new PyInt(reader.ReadByte());
break;
case FieldType.R8:
column.Value = new PyFloat(reader.ReadDouble());
break;
case FieldType.R4:
column.Value = new PyFloat(reader.ReadSingle());
break;
case FieldType.Bytes:
case FieldType.Str:
case FieldType.WStr:
column.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);
column.Value = new PyInt((b >> bitOffset++) & 0x01);
break;
}
default:
throw new Exception("No support for " + column.Type);
}
}
return(true);
}
public override void Decode(Unmarshal context, MarshalOpcode op, BinaryReader source)
{
Definition = context.ReadObject(source);
}
public override void Decode(Unmarshal context, MarshalOpcode op, BinaryReader source)
{
Checksum = source.ReadUInt32();
Data = context.ReadObject(source);
}
