public object Deserialize(ref MessagePackReader reader, IFormatterResolver formatterResolver) { var type = reader.GetMessagePackType(); switch (type) { case MessagePackType.Integer: var code = reader.Peek(); if (MessagePackCode.MinNegativeFixInt <= code && code <= MessagePackCode.MaxNegativeFixInt) { return(reader.ReadSByte()); } else if (MessagePackCode.MinFixInt <= code && code <= MessagePackCode.MaxFixInt) { return(reader.ReadByte()); } else { switch (code) { case MessagePackCode.Int8: return(reader.ReadSByte()); case MessagePackCode.Int16: return(reader.ReadInt16()); case MessagePackCode.Int32: return(reader.ReadInt32()); case MessagePackCode.Int64: return(reader.ReadInt64()); case MessagePackCode.UInt8: return(reader.ReadByte()); case MessagePackCode.UInt16: return(reader.ReadUInt16()); case MessagePackCode.UInt32: return(reader.ReadUInt32()); case MessagePackCode.UInt64: return(reader.ReadUInt64()); default: ThrowHelper.ThrowInvalidOperationException_Primitive_Bytes(); return(null); } } case MessagePackType.Boolean: return(reader.ReadBoolean()); case MessagePackType.Float: if (MessagePackCode.Float32 == reader.Peek()) { return(reader.ReadSingle()); } else { return(reader.ReadDouble()); } case MessagePackType.String: return(reader.ReadString()); case MessagePackType.Binary: return(reader.ReadBytes()); case MessagePackType.Extension: var extTypeCode = reader.GetExtensionFormatTypeCode(); if (extTypeCode != ReservedMessagePackExtensionTypeCode.DateTime) { ThrowHelper.ThrowInvalidOperationException_Primitive_Bytes(); } return(reader.ReadDateTime()); case MessagePackType.Array: { var length = reader.ReadArrayHeader(); var objectFormatter = formatterResolver.GetFormatter <object>(); var array = new object[length]; for (int i = 0; i < length; i++) { array[i] = objectFormatter.Deserialize(ref reader, formatterResolver); } return(array); } case MessagePackType.Map: { var length = reader.ReadMapHeader(); var objectFormatter = formatterResolver.GetFormatter <object>(); var hash = new Dictionary <object, object>(length); for (int i = 0; i < length; i++) { var key = objectFormatter.Deserialize(ref reader, formatterResolver); var value = objectFormatter.Deserialize(ref reader, formatterResolver); hash.Add(key, value); } return(hash); } case MessagePackType.Nil: reader.Advance(1); return(null); default: ThrowHelper.ThrowInvalidOperationException_Primitive_Bytes(); return(null); } }