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;
}
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;
}