|
public static getTokenDis ( int distance ) : |
||
| distance | int | The distance here means the needed bytes backward. |
| Résultat | ||
public static Token getTokenDis(int distance)
{
if (distance < 32)
return tokenTableDis[1];
else if (distance < 160)
return tokenTableDis[2];
else if (distance < 672)
return tokenTableDis[3];
else if (distance < 1696)
return tokenTableDis[4];
else if (distance < 5792)
return tokenTableDis[5];
else if (distance < 22176)
return tokenTableDis[8];
else if (distance < 54944)
return tokenTableDis[9];
else
return tokenTableDis[13];
}
/// <summary>
/// Add the a match to the result bit buffer.
/// </summary>
/// <param name="distance">The number of bytes backward to copy from.</param>
/// <param name="length">The total number of bytes to be copied.</param>
private void addCompressBytes(int distance, int length)
{
Token token = Config.getTokenDis(distance);
bitBuffer.AddRange(convertStringToBits(token.BitPrefix));
bitBuffer.AddRange(convertIntToBits(distance - token.Vbase, token.ValueBits));
int exp = 1;
while (length >= Math.Pow(2, exp))
{
++exp;
}
token = Config.getTokenLen(length);
bitBuffer.AddRange(convertStringToBits(token.BitPrefix));
bitBuffer.AddRange(convertIntToBits(length - (int)Math.Pow(2, exp - 1), token.ValueBits));
}