Function get_related

src/serializers/schema_dependent/XmlSerializer.cpp:222–234

// model. The second and third argument require a member function pointer.
template <typename T, typename U, typename V, typename F, typename G>
auto get_related(T* t, F f, G g) {
	typename U::list::ptr li = (*t.*f)()->template as<U>();
	typename aggregate_of<V>::ptr acc(new aggregate_of<V>);
	for (typename U::list::it it = li->begin(); it != li->end(); ++it) {
		U* u = *it;
		try {
			acc->push((*u.*g)()->template as<V>());
		} catch (IfcParse::IfcException& e) {
			Logger::Error(e);
		}
	}
	return acc;
}

// Descends into the tree by recursing into IfcRelContainedInSpatialStructure,
// IfcRelDecomposes, IfcRelDefinesByType, IfcRelDefinesByProperties relations.