/// <inheritdoc/>
        public override void WriteString(string value, UTF8Encoding encoding)
        {
            if (value == null)
            {
                throw new ArgumentNullException("value");
            }
            if (encoding == null)
            {
                throw new ArgumentNullException("encoding");
            }
            ThrowIfDisposed();

            using var rentedSegment = encoding.GetBytesUsingThreadStaticBuffer(value);
            var segment = rentedSegment.Segment;

            WriteInt32(segment.Count + 1);
            _stream.Write(segment.Array, 0, segment.Count);
            _stream.WriteByte(0);
        }
Exemplo n.º 2
0
        /// <inheritdoc/>
        public override void WriteString(string value, UTF8Encoding encoding)
        {
            ThrowIfDisposed();

            var maxLength = encoding.GetMaxByteCount(value.Length) + 5;

            PrepareToWrite(maxLength);

            int actualLength;
            var segment = _buffer.AccessBackingBytes(_position);

            if (segment.Count >= maxLength)
            {
                actualLength = encoding.GetBytes(value, 0, value.Length, segment.Array, segment.Offset + 4);

                var lengthPlusOne = actualLength + 1;
                segment.Array[segment.Offset]     = (byte)lengthPlusOne;
                segment.Array[segment.Offset + 1] = (byte)(lengthPlusOne >> 8);
                segment.Array[segment.Offset + 2] = (byte)(lengthPlusOne >> 16);
                segment.Array[segment.Offset + 3] = (byte)(lengthPlusOne >> 24);
                segment.Array[segment.Offset + 4 + actualLength] = 0;
            }
            else
            {
                using var rentedSegmentEncoded = encoding.GetBytesUsingThreadStaticBuffer(value);
                var bytes = rentedSegmentEncoded.Segment.Array;
                actualLength = rentedSegmentEncoded.Segment.Count;

                var lengthPlusOneBytes = BitConverter.GetBytes(actualLength + 1);

                _buffer.SetBytes(_position, lengthPlusOneBytes, 0, 4);
                _buffer.SetBytes(_position + 4, bytes, 0, actualLength);
                _buffer.SetByte(_position + 4 + actualLength, 0);
            }

            SetPositionAfterWrite(_position + actualLength + 5);
        }