public void GetBlock(DeflateInput input, OutputBuffer output, bool isFinal)
{
Debug.Assert(output != null);
Debug.Assert(output.FreeBytes >= 5);
int num = 0;
if (input != null)
{
num = Math.Min(input.Count, output.FreeBytes - 5 - output.BitsInBuffer);
if (num > 65531)
{
num = 65531;
}
}
if (isFinal)
{
output.WriteBits(3, 1U);
}
else
{
output.WriteBits(3, 0U);
}
output.FlushBits();
this.WriteLenNLen((ushort)num, output);
if (input == null || num <= 0)
{
return;
}
output.WriteBytes(input.Buffer, input.StartIndex, num);
input.ConsumeBytes(num);
}
internal static void WriteDeflatePreamble(OutputBuffer output)
{
output.WriteBytes(FastEncoderStatics.FastEncoderTreeStructureData, 0, FastEncoderStatics.FastEncoderTreeStructureData.Length);
output.WriteBits(9, 34U);
}