Example #1
0
        //public static ulong ReadUInt64(byte[] fromBuffer, int numberOfBits, int readBitOffset)

        /// <summary>
        /// Writes an unsigned 16 bit integer
        /// </summary>
        public static void WriteUInt16(ushort source, int numberOfBits, byte[] destination, int destinationBitOffset)
        {
            if (numberOfBits == 0)
            {
                return;
            }

            BitBufferException.Assert((numberOfBits >= 0 && numberOfBits <= 16), "numberOfBits must be between 0 and 16");
#if BIGENDIAN
            // reorder bytes
            uint intSource = source;
            intSource = ((intSource & 0x0000ff00) >> 8) | ((intSource & 0x000000ff) << 8);
            source    = (ushort)intSource;
#endif
            if (numberOfBits <= 8)
            {
                BitReaderWriter.WriteByte((byte)source, numberOfBits, destination, destinationBitOffset);
                return;
            }

            BitReaderWriter.WriteByte((byte)source, 8, destination, destinationBitOffset);

            numberOfBits -= 8;
            if (numberOfBits > 0)
            {
                BitReaderWriter.WriteByte((byte)(source >> 8), numberOfBits, destination, destinationBitOffset + 8);
            }
        }
Example #2
0
        /// <summary>
        /// Write a byte
        /// </summary>
        public BitWriter Write(byte source)
        {
            EnsureBufferSize(_lengthBits + 8);
            BitReaderWriter.WriteByte(source, 8, _data, _lengthBits);
            _lengthBits += 8;

            return(this);
        }
Example #3
0
        /// <summary>
        /// Writes a boolean value using 1 bit
        /// </summary>
        public BitWriter Write(bool value)
        {
            EnsureBufferSize(_lengthBits + 1);
            BitReaderWriter.WriteByte((value ? (byte)1 : (byte)0), 1, _data, _lengthBits);
            _lengthBits += 1;

            return(this);
        }
Example #4
0
        /// <summary>
        /// Writes 1 to 8 bits of a byte
        /// </summary>
        public BitWriter Write(byte source, int numberOfBits)
        {
            BitBufferException.Assert((numberOfBits > 0 && numberOfBits <= 8), "Write(byte, numberOfBits) can only write between 1 and 8 bits");
            EnsureBufferSize(_lengthBits + numberOfBits);
            BitReaderWriter.WriteByte(source, numberOfBits, _data, _lengthBits);
            _lengthBits += numberOfBits;

            return(this);
        }
Example #5
0
        /// <summary>
        /// Writes a byte at a given offset in the buffer
        /// </summary>
        public BitWriter WriteAt(Int32 offset, byte source)
        {
            int newBitLength = Math.Max(_lengthBits, offset + 8);

            EnsureBufferSize(newBitLength);
            BitReaderWriter.WriteByte((byte)source, 8, _data, offset);
            _lengthBits = newBitLength;

            return(this);
        }
Example #6
0
        /// <summary>
        /// Writes the specified number of bits into a byte array
        /// </summary>
        public static int WriteUInt32(uint source, int numberOfBits, byte[] destination, int destinationBitOffset)
        {
#if BIGENDIAN
            // reorder bytes
            source = ((source & 0xff000000) >> 24) |
                     ((source & 0x00ff0000) >> 8) |
                     ((source & 0x0000ff00) << 8) |
                     ((source & 0x000000ff) << 24);
#endif

            int returnValue = destinationBitOffset + numberOfBits;
            if (numberOfBits <= 8)
            {
                BitReaderWriter.WriteByte((byte)source, numberOfBits, destination, destinationBitOffset);
                return(returnValue);
            }
            BitReaderWriter.WriteByte((byte)source, 8, destination, destinationBitOffset);
            destinationBitOffset += 8;
            numberOfBits         -= 8;

            if (numberOfBits <= 8)
            {
                BitReaderWriter.WriteByte((byte)(source >> 8), numberOfBits, destination, destinationBitOffset);
                return(returnValue);
            }
            BitReaderWriter.WriteByte((byte)(source >> 8), 8, destination, destinationBitOffset);
            destinationBitOffset += 8;
            numberOfBits         -= 8;

            if (numberOfBits <= 8)
            {
                BitReaderWriter.WriteByte((byte)(source >> 16), numberOfBits, destination, destinationBitOffset);
                return(returnValue);
            }
            BitReaderWriter.WriteByte((byte)(source >> 16), 8, destination, destinationBitOffset);
            destinationBitOffset += 8;
            numberOfBits         -= 8;

            BitReaderWriter.WriteByte((byte)(source >> 24), numberOfBits, destination, destinationBitOffset);
            return(returnValue);
        }
Example #7
0
        /// <summary>
        /// Writes the specified number of bits into a byte array
        /// </summary>
        public static int WriteUInt64(ulong source, int numberOfBits, byte[] destination, int destinationBitOffset)
        {
#if BIGENDIAN
            source = ((source & 0xff00000000000000L) >> 56) |
                     ((source & 0x00ff000000000000L) >> 40) |
                     ((source & 0x0000ff0000000000L) >> 24) |
                     ((source & 0x000000ff00000000L) >> 8) |
                     ((source & 0x00000000ff000000L) << 8) |
                     ((source & 0x0000000000ff0000L) << 24) |
                     ((source & 0x000000000000ff00L) << 40) |
                     ((source & 0x00000000000000ffL) << 56);
#endif

            int returnValue = destinationBitOffset + numberOfBits;
            if (numberOfBits <= 8)
            {
                BitReaderWriter.WriteByte((byte)source, numberOfBits, destination, destinationBitOffset);
                return(returnValue);
            }
            BitReaderWriter.WriteByte((byte)source, 8, destination, destinationBitOffset);
            destinationBitOffset += 8;
            numberOfBits         -= 8;

            if (numberOfBits <= 8)
            {
                BitReaderWriter.WriteByte((byte)(source >> 8), numberOfBits, destination, destinationBitOffset);
                return(returnValue);
            }
            BitReaderWriter.WriteByte((byte)(source >> 8), 8, destination, destinationBitOffset);
            destinationBitOffset += 8;
            numberOfBits         -= 8;

            if (numberOfBits <= 8)
            {
                BitReaderWriter.WriteByte((byte)(source >> 16), numberOfBits, destination, destinationBitOffset);
                return(returnValue);
            }
            BitReaderWriter.WriteByte((byte)(source >> 16), 8, destination, destinationBitOffset);
            destinationBitOffset += 8;
            numberOfBits         -= 8;

            if (numberOfBits <= 8)
            {
                BitReaderWriter.WriteByte((byte)(source >> 24), numberOfBits, destination, destinationBitOffset);
                return(returnValue);
            }
            BitReaderWriter.WriteByte((byte)(source >> 24), 8, destination, destinationBitOffset);
            destinationBitOffset += 8;
            numberOfBits         -= 8;

            if (numberOfBits <= 8)
            {
                BitReaderWriter.WriteByte((byte)(source >> 32), numberOfBits, destination, destinationBitOffset);
                return(returnValue);
            }
            BitReaderWriter.WriteByte((byte)(source >> 32), 8, destination, destinationBitOffset);
            destinationBitOffset += 8;
            numberOfBits         -= 8;

            if (numberOfBits <= 8)
            {
                BitReaderWriter.WriteByte((byte)(source >> 40), numberOfBits, destination, destinationBitOffset);
                return(returnValue);
            }
            BitReaderWriter.WriteByte((byte)(source >> 40), 8, destination, destinationBitOffset);
            destinationBitOffset += 8;
            numberOfBits         -= 8;

            if (numberOfBits <= 8)
            {
                BitReaderWriter.WriteByte((byte)(source >> 48), numberOfBits, destination, destinationBitOffset);
                return(returnValue);
            }
            BitReaderWriter.WriteByte((byte)(source >> 48), 8, destination, destinationBitOffset);
            destinationBitOffset += 8;
            numberOfBits         -= 8;

            if (numberOfBits <= 8)
            {
                BitReaderWriter.WriteByte((byte)(source >> 56), numberOfBits, destination, destinationBitOffset);
                return(returnValue);
            }
            BitReaderWriter.WriteByte((byte)(source >> 56), 8, destination, destinationBitOffset);
            destinationBitOffset += 8;
            numberOfBits         -= 8;

            return(returnValue);
        }