/// <seealso cref="BitArrayOutputStream.write(int)">
/// </seealso>
public virtual void testWrite()
{
BitArrayOutputStream stream = new BitArrayOutputStream();
stream.WriteByte(0xFF);
stream.writeBit(true);
stream.writeBit(false);
stream.writeBit(true);
stream.writeBit(false);
stream.WriteByte(0xFF);
stream.WriteByte(0x0F);
stream.writeBit(true);
stream.writeBit(true);
stream.writeBit(true);
stream.writeBit(true);
System.Console.Out.WriteLine("Write " + ByteTools.byteArrayToHexString(stream.ToArray()));
ByteTools.checkBuffers(stream.ToArray(), new byte[] { 0xFF, 0xAF, 0xF0, 0xFF });
stream.writeBit(true);
stream.writeBit(false);
stream.writeBit(true);
stream.writeBit(false);
byte[] temp_byteArray;
temp_byteArray = new byte[] { (0xCC), (0xFF), (0xFF), (0xBB) };
stream.Write(temp_byteArray, 0, temp_byteArray.Length);
System.Console.Out.WriteLine("After buf write " + ByteTools.byteArrayToHexString(stream.ToArray()));
ByteTools.checkBuffers(stream.ToArray(), new byte[] { (0xFF), (0xAF), (0xF0), (0xFF), (0xAC), (0xCF), (0xFF), (0xFB), (0xB0) });
stream.align();
stream.writeBit(true);
stream.writeBit(true);
stream.align();
stream.WriteByte(0xFF);
System.Console.Out.WriteLine("After align " + ByteTools.byteArrayToHexString(stream.ToArray()));
ByteTools.checkBuffers(stream.ToArray(), new byte[] { (0xFF), (0xAF), (0xF0), (0xFF), (0xAC), (0xCF), (0xFF), (0xFB), (0xB0), (0xC0), (0xFF) });
}
public override int encodeBitString(Object obj, Stream stream, ElementInfo elementInfo)
{
/*NOTE – (Tutorial) Bitstrings constrained to a fixed length less than or equal to 16 bits do not cause octet alignment. Larger
* bitstrings are octet-aligned in the ALIGNED variant. If the length is fixed by constraints and the upper bound is less than 64K,
* there is no explicit length encoding, otherwise a length encoding is included which can take any of the forms specified earlier for
* length encodings, including fragmentation for large bit strings.*/
int resultSize = 0, sizeOfString = 0;
BitString str = (BitString)obj;
byte[] buffer = str.Value;
sizeOfString = str.getLengthInBits(); // buffer.Length*8 - str.TrailBitsCnt;
resultSize += encodeLength(sizeOfString, elementInfo, stream);
doAlign(stream);
BitArrayOutputStream bitStream = (BitArrayOutputStream)stream;
if (sizeOfString > 0)
{
//doAlign(stream);
if (str.TrailBitsCnt == 0)
{
stream.Write(buffer, 0, buffer.Length);
}
else
{
bitStream.Write(buffer, 0, buffer.Length - 1);
for (int i = 0; i < str.TrailBitsCnt; i++)
{
int bitValue = (buffer[buffer.Length - 1] >> (7 - i)) & 0x1;
bitStream.writeBit(bitValue);
}
}
}
return(resultSize);
}
