GScriptValue doCreateScriptValueFromVariant(
const GContextPointer & context,
const GVariant & value,
const bool transferOwnership
)
{
return doCreateScriptValueFromVariant(
context,
getVariantRealValue(value),
getVariantRealMetaType(value),
transferOwnership
);
}
GVariant GMetaCore::cast(const GVariant & instance, IMetaClass * targetMetaClass)
{
GVariant value = getVariantRealValue(instance);
GMetaType type = getVariantRealMetaType(instance);
if(canFromVariant<void *>(value) && type.getBaseName() != NULL) {
GScopedInterface<IMetaService> metaService(this->scriptObject->getMetaService());
GScopedInterface<IMetaClass> sourceClass(metaService->findClassByName(type.getBaseName()));
if(sourceClass) {
void * ptr = objectAddressFromVariant(instance);
void * oldPtr = ptr;
if(ptr != NULL) {
GMetaType targetType;
if(targetMetaClass != NULL) {
ptr = metaCastToDerived(oldPtr, sourceClass.get(), targetMetaClass);
if(ptr == NULL) {
ptr = metaCastToBase(oldPtr, sourceClass.get(), targetMetaClass);
}
targetType = metaGetItemType(targetMetaClass);
}
else {
GScopedInterface<IMetaClass> derivedClass(findAppropriateDerivedClass(oldPtr, sourceClass.get(), &ptr));
if(derivedClass) {
targetType = metaGetItemType(derivedClass.get());
}
else {
ptr = NULL;
}
}
if(ptr != NULL) {
targetType.addPointer();
return createTypedVariant(pointerToObjectVariant(ptr), targetType);
}
}
}
}
return (void *)0;
}
