private void decodeChunkHeader()
{
int control = inputStream.ReadByte();
inputPosition++;
if (control == 0x00)
{
endReached = true;
return;
}
if (control >= 0xE0 || control == 0x01)
{
needProps = true;
needDictReset = false;
outWindow.Reset();
}
else if (needDictReset)
{
throw new DataErrorException();
}
if (control >= 0x80)
{
uncompressedChunk = false;
availableBytes = (control & 0x1F) << 16;
availableBytes += (inputStream.ReadByte() << 8) + inputStream.ReadByte() + 1;
inputPosition += 2;
rangeDecoderLimit = (inputStream.ReadByte() << 8) + inputStream.ReadByte() + 1;
inputPosition += 2;
if (control >= 0xC0)
{
needProps = false;
props[0] = (byte)inputStream.ReadByte();
inputPosition++;
decoder = new Decoder();
decoder.SetDecoderProperties(props);
}
else if (needProps)
{
throw new DataErrorException();
}
else if (control >= 0xA0)
{
decoder = new Decoder();
decoder.SetDecoderProperties(props);
}
rangeDecoder.Init(inputStream);
}
else if (control > 0x02)
{
throw new DataErrorException();
}
else
{
uncompressedChunk = true;
availableBytes = (inputStream.ReadByte() << 8) + inputStream.ReadByte() + 1;
inputPosition += 2;
}
}
private void DecodeChunkHeader()
{
int control = _inputStream.ReadByte();
_inputPosition++;
if (control == 0x00)
{
_endReached = true;
return;
}
if (control >= 0xE0 || control == 0x01)
{
_needProps = true;
_needDictReset = false;
_outWindow.Reset();
}
else if (_needDictReset)
{
throw new DataErrorException();
}
if (control >= 0x80)
{
_uncompressedChunk = false;
_availableBytes = (control & 0x1F) << 16;
_availableBytes += (_inputStream.ReadByte() << 8) + _inputStream.ReadByte() + 1;
_inputPosition += 2;
_rangeDecoderLimit = (_inputStream.ReadByte() << 8) + _inputStream.ReadByte() + 1;
_inputPosition += 2;
if (control >= 0xC0)
{
_needProps = false;
Properties[0] = (byte)_inputStream.ReadByte();
_inputPosition++;
_decoder = new Decoder();
_decoder.SetDecoderProperties(Properties);
}
else if (_needProps)
{
throw new DataErrorException();
}
else if (control >= 0xA0)
{
_decoder = new Decoder();
_decoder.SetDecoderProperties(Properties);
}
_rangeDecoder.Init(_inputStream);
}
else if (control > 0x02)
{
throw new DataErrorException();
}
else
{
_uncompressedChunk = true;
_availableBytes = (_inputStream.ReadByte() << 8) + _inputStream.ReadByte() + 1;
_inputPosition += 2;
}
}
