public bool GetSeqBitsAsInt(ref int res, ref long pos, int count)
{
long wantedByte = pos / UNIT_WINDOW;
MemoryStream bytes = new MemoryStream(2);
if (HasSeqLeft(wantedByte, 1))
{
byte b = GetSeqByte(wantedByte++);
bytes.WriteByte(b);
//Console.Error.WriteLine("GetBitASInts {0} {1} {2}", pos, count, b);
}
else
{
return(false);
}
int wantedBit = (int)(pos % UNIT_WINDOW);
if (wantedBit + count >= 8)
{
if (HasSeqLeft(wantedByte, 1))
{
byte b = GetSeqByte(wantedByte);
bytes.WriteByte(b);
//Console.Error.WriteLine("GetBitASInts2 {0} {1} {2}", pos, count, b);
}
else
{
return(false);
}
}
ReadBitShepherd bits = new ReadBitShepherd(bytes);
//Console.Error.WriteLine("Shepherd reading {0} {1}", bytes.Length, pos);
bool hasGotten = bits.Read(out res, wantedBit, count);
if (hasGotten)
{
pos += count;
}
//Console.Error.WriteLine("For seq gotten {0} {1}", res, count);
//Console.Error.WriteLine("Giving back {0}", res);
return(hasGotten);
}
public EncodedBitSequenceReader(Stream s, string compression)
{
if (compression == "none")
{
bits = new ReadBitShepherd(s);
}
else if (compression == "gzip")
{
GZipInputStream zipReader = new GZipInputStream(s);
bits = new ReadBitShepherd(zipReader);
}
else if (compression == "lzma")
{
LzmaDecodeStream zipReader = new LzmaDecodeStream(s);
bits = new ReadBitShepherd(zipReader);
}
else
{
throw new InvalidOperationException("Wrong compression method given");
}
}