public static void Decompress <T>(T data, BitSource bits, DeflateOutput <T> output)
{
while (true)
{
using var currentBlock = new DeflateBlock(bits);
if (currentBlock.Type == BlockType.NoCompression)
{
// skip to next byte
bits.SkipToNextByte();
// Read length and nlength?
var length = bits.ReadBitsAsUshort(16);
bits.ConsumeBytes(2);
// copy to output
output.Write(data, length);
bits.ConsumeBytes(length);
}
else
{
while (true)
{
// decode literal/length value from input stream
var value = currentBlock.GetNextValue();
// end of block
if ((value & 0x1FF) == DeflateConstants.EndOfBlock)
{
break;
}
if (value < DeflateConstants.EndOfBlock)
{
//copy value(literal byte) to output stream
output.WriteByte((byte)value);
}
else // value = 257..285
{
currentBlock.GetLengthAndDistance(value, out var length, out var distance);
output.WriteWindow(length, distance);
}
}
}
if (currentBlock.IsFinal)
{
break;
}
}
}