public DeflateDecompressor(DeflateSettings settings)
: base(settings)
{
this.output = new OutputWindow();
this.input = new InputBitsBuffer();
this.codeList = new byte[320];
this.codeLengthTreeCodeLength = new byte[19];
this.Reset();
}
public int GetBits(int count)
{
if (!this.CheckAvailable(count))
{
return(-1);
}
int num = (int)this.bitBuffer & (int)InputBitsBuffer.GetBitMask(count);
this.bitBuffer >>= count;
this.availableBits -= count;
return(num);
}
public int ReadInput(InputBitsBuffer input, int length)
{
int length1 = 32768 - this.end;
length = Math.Min(Math.Min(length, this.FreeBytes), input.AvailableBytes);
int num;
if (length <= length1)
{
num = input.Read(this.window, this.end, length);
}
else
{
num = input.Read(this.window, this.end, length1);
if (num == length1)
{
num += input.Read(this.window, 0, length - length1);
}
}
this.end = this.end + num & (int)short.MaxValue;
this.availableBytes += num;
return(num);
}
