public object Deserialize(Stream serializationStream)
{
if (serializationStream.Read(_lengthBuffer, 0, 4) != 4)
{
throw new SerializationException("Could not read length from the stream.");
}
var length = new IntToBytes(_lengthBuffer[0], _lengthBuffer[1], _lengthBuffer[2], _lengthBuffer[3]);
//TODO make this support partial reads from stream
if (serializationStream.Read(_copyBuffer, 0, length.I32) != length.I32)
{
throw new SerializationException("Could not read " + length + " bytes from the stream.");
}
_readStream.Seek(0L, SeekOrigin.Begin);
_readStream.Write(_copyBuffer, 0, length.I32);
_readStream.Seek(0L, SeekOrigin.Begin);
var typeid = _reader.ReadInt32();
Type t;
if (!_byId.TryGetValue(typeid, out t))
{
throw new SerializationException("TypeId " + typeid + " is not a registerred type id");
}
var obj = FormatterServices.GetUninitializedObject(t);
var deserialize = (ICustomBinarySerializable)obj;
deserialize.SetDataFrom(_reader);
if (_readStream.Position != length.I32)
{
throw new SerializationException("object of type " + t +
" did not read its entire buffer during deserialization. This is most likely an inbalance between the writes and the reads of the object.");
}
return(deserialize);
}
public void Serialize(Stream serializationStream, object graph)
{
int key;
if (!_byType.TryGetValue(graph.GetType(), out key))
{
throw new SerializationException(graph.GetType() + " has not been registered with the serializer");
}
var c = (ICustomBinarySerializable)graph; //this will always work due to generic constraint on the Register
_writeStream.Seek(0L, SeekOrigin.Begin);
_writer.Write(key);
c.WriteDataTo(_writer);
var length = new IntToBytes((int)_writeStream.Position);
serializationStream.WriteByte(length.B0);
serializationStream.WriteByte(length.B1);
serializationStream.WriteByte(length.B2);
serializationStream.WriteByte(length.B3);
serializationStream.Write(_writeStream.GetBuffer(), 0, (int)_writeStream.Position);
}