Exemple #1
0
void PVField::computeOffset(const PVField   *  pvField,size_t offset) {
    size_t beginOffset = offset;
    size_t nextOffset = offset + 1;
    const PVStructure *pvStructure = static_cast<const PVStructure *>(pvField);
    const PVFieldPtrArray & pvFields = pvStructure->getPVFields();
    for(size_t i=0; i < pvStructure->getStructure()->getNumberFields(); i++) {
        offset = nextOffset;
        PVField *pvSubField = pvFields[i].get();
        FieldConstPtr field = pvSubField->getField();
        switch(field->getType()) {
            case scalar:
            case scalarArray:
            case structureArray:
            case union_:
            case unionArray: {
                nextOffset++;
                pvSubField->fieldOffset = offset;
                pvSubField->nextFieldOffset = nextOffset;
                break;
            }
            case structure: {
                pvSubField->computeOffset(pvSubField,offset);
                nextOffset = pvSubField->getNextFieldOffset();
            }
        }
    }
    PVField *xxx = const_cast<PVField *>(pvField);
    xxx->fieldOffset = beginOffset;
    xxx->nextFieldOffset = nextOffset;
}
Exemple #2
0
void PVField::computeOffset(const PVField   *  pvField) {
    const PVStructure * pvTop = pvField->getParent();
    if(pvTop==NULL) {
        if(pvField->getField()->getType()!=structure) {
           PVField *xxx = const_cast<PVField *>(pvField);
           xxx->fieldOffset = 0;
           xxx->nextFieldOffset = 1;
           return;
        }
        pvTop = static_cast<const PVStructure *>(pvField);
    } else {
        while(pvTop->getParent()!=NULL) pvTop = pvTop->getParent();
    }
    size_t offset = 0;
    size_t nextOffset = 1;
    const PVFieldPtrArray & pvFields = pvTop->getPVFields();
    for(size_t i=0; i < pvTop->getStructure()->getNumberFields(); i++) {
        offset = nextOffset;
        PVField *pvField = pvFields[i].get();
        FieldConstPtr field = pvField->getField();
        switch(field->getType()) {
        case scalar:
        case scalarArray:
        case structureArray:
        case union_:
        case unionArray: {
            nextOffset++;
            pvField->fieldOffset = offset;
            pvField->nextFieldOffset = nextOffset;
            break;
        }
        case structure: {
            pvField->computeOffset(pvField,offset);
            nextOffset = pvField->getNextFieldOffset();
        }
        }
    }
    PVField *top = (PVField *)pvTop;
    PVField *xxx = const_cast<PVField *>(top);
    xxx->fieldOffset = 0;
    xxx->nextFieldOffset = nextOffset;
}