static bool checkBitSetPVField(
PVFieldPtr const &pvField,BitSetPtr const &bitSet,int32 initialOffset)
{
int32 offset = initialOffset;
int32 nbits = static_cast<int32>(pvField->getNumberFields());
if(nbits==1) return bitSet->get(offset);
int32 nextSetBit = bitSet->nextSetBit(offset);
if(nextSetBit>=(offset+nbits)) return false;
if(nextSetBit<0) return false;
if(bitSet->get(offset)) {
if(nbits>1) {
for(int32 i=offset+1; i<offset+nbits; i++) bitSet->clear(i);
}
return true;
}
bool atLeastOneBitSet = false;
bool allBitsSet = true;
PVStructurePtr pvStructure = static_pointer_cast<PVStructure>(pvField);
offset = static_cast<int32>(pvStructure->getFieldOffset()) + 1;
while(offset<initialOffset + nbits) {
PVFieldPtr pvSubField = pvStructure->getSubField(offset);
int32 nbitsNow = static_cast<int32>(pvSubField->getNumberFields());
if(nbitsNow==1) {
if(bitSet->get(offset)) {
atLeastOneBitSet = true;
} else {
allBitsSet = false;
}
offset++;
} else {
bool result = checkBitSetPVField(pvSubField,bitSet,offset);
if(result) {
atLeastOneBitSet = true;
if(!bitSet->get(offset)) {
allBitsSet = false;
}
} else {
allBitsSet = false;
}
offset += static_cast<int32>(pvSubField->getNumberFields());
}
}
if(allBitsSet) {
if(nbits>1) {
for(int32 i=initialOffset+1; i<initialOffset+nbits; i++) {
bitSet->clear(i);
}
}
bitSet->set(initialOffset);
}
return atLeastOneBitSet;
}
