Method traverse_breadth_first

src/ifcparse/IfcParse.cpp:1833–1838

I'm cheating this isn't breadth-first, but rather we record visited instances keeping track of their rank and return a list ordered by rank. Is this equivalent?

// I'm cheating this isn't breadth-first, but rather we record visited instances
// keeping track of their rank and return a list ordered by rank. Is this equivalent?
aggregate_of_instance::ptr IfcParse::traverse_breadth_first(IfcUtil::IfcBaseClass* instance, int max_level) {
    std::set<IfcUtil::IfcBaseClass*> visited;
    traversal_recorder recorder(1);
    traverse_(instance, visited, recorder, 0, max_level);
    return recorder.get_list();
}

/// @note: for backwards compatibility
aggregate_of_instance::ptr IfcFile::traverse(IfcUtil::IfcBaseClass* instance, int max_level) {