/// <summary>
/// Deserializes an object from a binary source.
/// </summary>
/// <param name="Reader">Deserializer.</param>
/// <param name="DataType">Optional datatype. If not provided, will be read from the binary source.</param>
/// <param name="Embedded">If the object is embedded into another.</param>
/// <param name="CheckFieldNames">If field names are to be extended.</param>
/// <returns>Deserialized object.</returns>
public async Task <object> Deserialize(IDeserializer Reader, uint?DataType, bool Embedded, bool CheckFieldNames)
{
if (!Reader.ReadBit())
{
return(null);
}
string Key = Reader.ReadString();
object Value;
DataType = Reader.ReadBits(6);
if (DataType == ObjectSerializer.TYPE_MAX)
{
Reader.SkipVariableLengthUInt64();
DataType = Reader.ReadBits(6);
}
switch (DataType.Value)
{
case ObjectSerializer.TYPE_OBJECT:
Reader.FlushBits();
int Pos = Reader.Position;
ulong TypeCode = Reader.ReadVariableLengthUInt64();
ulong CollectionCode = Reader.ReadVariableLengthUInt64();
string CollectionName = await this.context.GetFieldName(null, CollectionCode);
string TypeName = await this.context.GetFieldName(CollectionName, TypeCode);
IObjectSerializer Serializer;
if (string.IsNullOrEmpty(TypeName))
{
Serializer = this.genericSerializer;
}
else
{
Type T = Types.GetType(TypeName);
if (T is null)
{
Serializer = this.genericSerializer;
}
else
{
Serializer = await this.context.GetObjectSerializer(T);
}
}
Reader.Position = Pos;
Value = await Serializer.Deserialize(Reader, ObjectSerializer.TYPE_OBJECT, true);
break;
case ObjectSerializer.TYPE_BOOLEAN:
Value = Reader.ReadBit();
break;
case ObjectSerializer.TYPE_BYTE:
Value = Reader.ReadByte();
break;
case ObjectSerializer.TYPE_INT16:
Value = Reader.ReadInt16();
break;
case ObjectSerializer.TYPE_INT32:
Value = Reader.ReadInt32();
break;
case ObjectSerializer.TYPE_INT64:
Value = Reader.ReadInt64();
break;
case ObjectSerializer.TYPE_SBYTE:
Value = Reader.ReadSByte();
break;
case ObjectSerializer.TYPE_UINT16:
Value = Reader.ReadUInt16();
break;
case ObjectSerializer.TYPE_UINT32:
Value = Reader.ReadUInt32();
break;
case ObjectSerializer.TYPE_UINT64:
Value = Reader.ReadUInt64();
break;
case ObjectSerializer.TYPE_DECIMAL:
Value = Reader.ReadDecimal();
break;
case ObjectSerializer.TYPE_DOUBLE:
Value = Reader.ReadDouble();
break;
case ObjectSerializer.TYPE_SINGLE:
Value = Reader.ReadSingle();
break;
case ObjectSerializer.TYPE_DATETIME:
Value = Reader.ReadDateTime();
break;
case ObjectSerializer.TYPE_DATETIMEOFFSET:
Value = Reader.ReadDateTimeOffset();
break;
case ObjectSerializer.TYPE_TIMESPAN:
Value = Reader.ReadTimeSpan();
break;
case ObjectSerializer.TYPE_CHAR:
Value = Reader.ReadChar();
break;
case ObjectSerializer.TYPE_STRING:
Value = Reader.ReadString();
break;
case ObjectSerializer.TYPE_CI_STRING:
Value = new CaseInsensitiveString(Reader.ReadString());
break;
case ObjectSerializer.TYPE_ENUM:
Value = Reader.ReadString();
break;
case ObjectSerializer.TYPE_BYTEARRAY:
Value = Reader.ReadByteArray();
break;
case ObjectSerializer.TYPE_GUID:
Value = Reader.ReadGuid();
break;
case ObjectSerializer.TYPE_NULL:
Value = null;
break;
case ObjectSerializer.TYPE_ARRAY:
throw new Exception("Arrays must be embedded in objects.");
default:
throw new Exception("Object or value expected.");
}
return(new KeyValuePair <string, object>(Key, Value));
}