bool CSnpBitfield2::IsTrue( CSnpBitfield::EFunctionClass prop ) const
{
bool ret = false;
if ( prop == CSnpBitfield::eMultipleFxn
|| prop == CSnpBitfield::eUnknownFxn ) {
ret = ( GetFunctionClass() == prop );
}
else {
// looking for a specific function class
unsigned char byte3 = m_listBytes[3];
unsigned char byte4 = m_listBytes[4];
// the 'Has reference' bit may be set. So turn it off for test.
byte4 &= 0xfd; // 1111 1101 <- mask to set the 2nd bit to zero
switch (prop) {
case CSnpBitfield::eInGene: ret = (byte3 & fBit0); break;
case CSnpBitfield::eInGene5: ret = (byte3 & fBit1); break;
case CSnpBitfield::eInGene3: ret = (byte3 & fBit2); break;
case CSnpBitfield::eIntron: ret = (byte3 & fBit3); break;
case CSnpBitfield::eDonor: ret = (byte3 & fBit4); break;
case CSnpBitfield::eAcceptor: ret = (byte3 & fBit5); break;
case CSnpBitfield::eInUTR5: ret = (byte3 & fBit6); break;
case CSnpBitfield::eInUTR3: ret = (byte3 & fBit7); break;
// using byte4
case CSnpBitfield::eSynonymous: ret = (byte4 & fBit0); break;
case CSnpBitfield::eNonsense: ret = (byte4 & fBit2); break;
case CSnpBitfield::eMissense: ret = (byte4 & fBit3); break;
case CSnpBitfield::eFrameshift: ret = (byte4 & fBit4); break;
// eUTR
case CSnpBitfield::eUTR: ret = (byte3 & fBit6) || (byte3 & fBit7); break;
default:
ret = false;
}
}
return ret;
}
bool CSnpBitfield1_2::IsTrue( CSnpBitfield::EFunctionClass prop ) const
{
return (prop == GetFunctionClass());
}