Method PopulateRelAggregatesMap

src/cpp/web-ifc/cache/IfcCache.cpp:56–87

  }

  std::unordered_map<uint32_t, std::vector<uint32_t>> IfcCache::PopulateRelAggregatesMap()
  {
    std::unordered_map<uint32_t, std::vector<uint32_t>> resultVector;
    auto relAggregates = _loader.GetExpressIDsWithType(schema::IFCRELAGGREGATES);

    for (uint32_t relAggregateID : relAggregates)
    {
      _loader.MoveToArgumentOffset(relAggregateID, 4);

      uint32_t relatingBuildingElement = _loader.GetRefArgument();
      auto aggregates = _loader.GetSetArgument();
      auto relVoidsIt2 = _relVoids.find(relatingBuildingElement);

      for (auto &aggregate : aggregates)
      {
        uint32_t aggregateID = _loader.GetRefArgument(aggregate);
        resultVector[relatingBuildingElement].push_back(aggregateID);
        if (relVoidsIt2 != _relVoids.end() && !relVoidsIt2->second.empty())
        {
          auto relVoidsIt1 = _relVoids.find(aggregateID);
          // any any voids that are aggregated to the voids map
          if (relVoidsIt1 == _relVoids.end())
          {
            _relVoids[aggregateID] = std::vector<uint32_t>();
            relVoidsIt1 = _relVoids.find(aggregateID);
          }
          relVoidsIt1->second.insert(relVoidsIt1->second.end(), relVoidsIt2->second.begin(), relVoidsIt2->second.end());
        }
      }
    }
    return resultVector;
  }

  std::unordered_map<uint32_t, std::vector<uint32_t>> IfcCache::PopulateRelNestsMap()
  {