Пример #1
0
        public int ReadInt32()
        {
            if (CurrentType != AmqpToken.Array || _itemType != AmqpType.Int)
            {
                throw new InvalidOperationException();
            }
            if (_currentLength < sizeof(int))
            {
                throw new InvalidOperationException();
            }
            int value = BinaryPrimitives.ReadInt32BigEndian(_buffer.Slice(_current));

            _current       += sizeof(int);
            _currentLength -= sizeof(int);
            if (_currentLength == 0)
            {
                CurrentType = AmqpToken.ArrayEnd;
            }
            return(value);
        }
Пример #2
0
        public AmqpToken MoveNext()
        {
            _buffer = _buffer.Slice(_next);
            _next   = 0;
            if (_buffer.Length == 0)
            {
                return(AmqpToken.EndOfData);
            }

            var constructor = (AmqpType)_buffer[0];

            switch (constructor)
            {
            case AmqpType.Descriptor:
                _next++;
                CurrentType = AmqpToken.Descriptor;
                break;

            case AmqpType.Binary8:
                if (_buffer.Length == 1)
                {
                    return(AmqpToken.EndOfData);
                }
                _currentLength = _buffer[1];
                _current       = 2;
                _next         += _currentLength + _current;
                CurrentType    = AmqpToken.Binary;
                break;

            case AmqpType.Binary32:
                _currentLength = BinaryPrimitives.ReadInt32BigEndian(_buffer.Slice(1));
                _current       = 5;
                _next         += _currentLength + _current;
                CurrentType    = AmqpToken.Binary;
                break;

            case AmqpType.String8:
                _current       = 2;
                _currentLength = _buffer[1];
                _next         += _currentLength + _current;
                CurrentType    = AmqpToken.String;
                break;

            case AmqpType.String32:
                _current       = 5;
                _currentLength = BinaryPrimitives.ReadInt32BigEndian(_buffer.Slice(1));
                _next         += _currentLength + _current;
                CurrentType    = AmqpToken.String;
                break;

            case AmqpType.Array8:
            {
                if (_buffer.Length < 4)
                {
                    return(AmqpToken.EndOfData);
                }
                var itemSize = _buffer[1];
                _currentLength = _buffer[2];
                _itemType      = (AmqpType)_buffer[3];
                _current       = 4;
                _next          = _current + (_currentLength * itemSize);
                CurrentType    = AmqpToken.Array;
                break;
            }

            case AmqpType.Array32:
            {
                if (_buffer.Length < 10)
                {
                    return(AmqpToken.EndOfData);
                }
                var dataSize = BinaryPrimitives.ReadInt32BigEndian(_buffer.Slice(1)) - 5;
                _currentLength = BinaryPrimitives.ReadInt32BigEndian(_buffer.Slice(5)) * sizeof(int);
                _itemType      = (AmqpType)_buffer[9];
                _current       = 10;
                _next          = _current + dataSize;
                CurrentType    = AmqpToken.Array;
                break;
            }

            default:
                throw new NotImplementedException();
            }
            return(CurrentType);
        }