private T ReadFullObject <T>(int pos)
{
var hdr = BinaryObjectHeader.Read(Stream, pos);
// Validate protocol version.
BinaryUtils.ValidateProtocolVersion(hdr.Version);
try
{
// Already read this object?
object hndObj;
if (_hnds != null && _hnds.TryGetValue(pos, out hndObj))
{
return((T)hndObj);
}
if (hdr.IsUserType && _mode == BinaryMode.ForceBinary)
{
BinaryObject portObj;
if (_detach)
{
Stream.Seek(pos, SeekOrigin.Begin);
portObj = new BinaryObject(_marsh, Stream.ReadByteArray(hdr.Length), 0, hdr);
}
else
{
portObj = new BinaryObject(_marsh, Stream.GetArray(), pos, hdr);
}
T obj = _builder == null ? TypeCaster <T> .Cast(portObj) : TypeCaster <T> .Cast(_builder.Child(portObj));
AddHandle(pos, obj);
return(obj);
}
else
{
// Find descriptor.
var desc = _marsh.GetDescriptor(hdr.IsUserType, hdr.TypeId);
// Instantiate object.
if (desc.Type == null)
{
if (desc is BinarySurrogateTypeDescriptor)
{
throw new BinaryObjectException("Unknown type ID: " + hdr.TypeId);
}
throw new BinaryObjectException("No matching type found for object [typeId=" +
desc.TypeId + ", typeName=" + desc.TypeName + ']');
}
// Preserve old frame.
var oldHdr = _curHdr;
int oldPos = _curPos;
var oldStruct = _curStruct;
bool oldRaw = _curRaw;
var oldSchema = _curSchema;
var oldSchemaMap = _curSchemaMap;
// Set new frame.
_curHdr = hdr;
_curPos = pos;
SetCurSchema(desc);
_curStruct = new BinaryStructureTracker(desc, desc.ReaderTypeStructure);
_curRaw = false;
// Read object.
Stream.Seek(pos + BinaryObjectHeader.Size, SeekOrigin.Begin);
var obj = desc.Serializer.ReadBinary <T>(this, desc.Type, pos);
_curStruct.UpdateReaderStructure();
// Restore old frame.
_curHdr = oldHdr;
_curPos = oldPos;
_curStruct = oldStruct;
_curRaw = oldRaw;
_curSchema = oldSchema;
_curSchemaMap = oldSchemaMap;
return(obj);
}
}
finally
{
// Advance stream pointer.
Stream.Seek(pos + hdr.Length, SeekOrigin.Begin);
}
}
private T ReadFullObject <T>(int pos)
{
var hdr = BinaryObjectHeader.Read(Stream, pos);
// Validate protocol version.
BinaryUtils.ValidateProtocolVersion(hdr.Version);
try
{
// Already read this object?
object hndObj;
if (_hnds != null && _hnds.TryGetValue(pos, out hndObj))
{
return((T)hndObj);
}
if (hdr.IsUserType && _mode == BinaryMode.ForceBinary)
{
BinaryObject portObj;
if (_detach)
{
Stream.Seek(pos, SeekOrigin.Begin);
portObj = new BinaryObject(_marsh, Stream.ReadByteArray(hdr.Length), 0, hdr);
}
else
{
portObj = new BinaryObject(_marsh, Stream.GetArray(), pos, hdr);
}
T obj = _builder == null ? TypeCaster <T> .Cast(portObj) : TypeCaster <T> .Cast(_builder.Child(portObj));
AddHandle(pos, obj);
return(obj);
}
else
{
// Find descriptor.
IBinaryTypeDescriptor desc;
if (!_descs.TryGetValue(BinaryUtils.TypeKey(hdr.IsUserType, hdr.TypeId), out desc))
{
throw new BinaryObjectException("Unknown type ID: " + hdr.TypeId);
}
// Instantiate object.
if (desc.Type == null)
{
throw new BinaryObjectException("No matching type found for object [typeId=" +
desc.TypeId + ", typeName=" + desc.TypeName + ']');
}
// Preserve old frame.
var oldHdr = _curHdr;
int oldPos = _curPos;
var oldStruct = _curStruct;
bool oldRaw = _curRaw;
var oldSchema = _curSchema;
var oldSchemaMap = _curSchemaMap;
// Set new frame.
_curHdr = hdr;
_curPos = pos;
SetCurSchema(desc);
_curStruct = new BinaryStructureTracker(desc, desc.ReaderTypeStructure);
_curRaw = false;
// Read object.
Stream.Seek(pos + BinaryObjectHeader.Size, SeekOrigin.Begin);
object obj;
var sysSerializer = desc.Serializer as IBinarySystemTypeSerializer;
if (sysSerializer != null)
{
obj = sysSerializer.ReadInstance(this);
}
else
{
try
{
obj = FormatterServices.GetUninitializedObject(desc.Type);
// Save handle.
AddHandle(pos, obj);
}
catch (Exception e)
{
throw new BinaryObjectException("Failed to create type instance: " +
desc.Type.AssemblyQualifiedName, e);
}
desc.Serializer.ReadBinary(obj, this);
}
_curStruct.UpdateReaderStructure();
// Restore old frame.
_curHdr = oldHdr;
_curPos = oldPos;
_curStruct = oldStruct;
_curRaw = oldRaw;
_curSchema = oldSchema;
_curSchemaMap = oldSchemaMap;
// Process wrappers. We could introduce a common interface, but for only 2 if-else is faster.
var wrappedSerializable = obj as SerializableObjectHolder;
if (wrappedSerializable != null)
{
return((T)wrappedSerializable.Item);
}
var wrappedDateTime = obj as DateTimeHolder;
if (wrappedDateTime != null)
{
return(TypeCaster <T> .Cast(wrappedDateTime.Item));
}
return((T)obj);
}
}
finally
{
// Advance stream pointer.
Stream.Seek(pos + hdr.Length, SeekOrigin.Begin);
}
}