Method EmitResultsFromMwms

libs/search/processor.cpp:933–963

template <class FnT>
void Processor::EmitResultsFromMwms(std::vector<std::shared_ptr<MwmInfo>> const & infos, FnT const & fn)
{
  // Don't pay attention on possible overhead here, this function is used for debug purpose only.
  std::vector<std::tuple<double, std::string, std::unique_ptr<FeatureType>>> results;
  std::vector<std::unique_ptr<FeaturesLoaderGuard>> guards;

  for (auto const & info : infos)
  {
    auto guard = std::make_unique<FeaturesLoaderGuard>(m_dataSource, MwmSet::MwmId(info));

    fn(*guard, [&](std::unique_ptr<FeatureType> ft)
    {
      // Distance needed for sorting.
      auto const center = feature::GetCenter(*ft, FeatureType::WORST_GEOMETRY);
      double const dist = center.SquaredLength(m_viewport.Center());
      results.emplace_back(dist, guard->GetCountryFileName(), std::move(ft));
    });

    guards.push_back(std::move(guard));
  }

  std::sort(results.begin(), results.end());

  for (auto const & [_, country, ft] : results)
  {
    m_emitter.AddResultNoChecks(
        m_ranker.MakeResult(RankerResult(*ft, country), true /* needAddress */, true /* needHighlighting */));
  }

  m_emitter.Emit();
}
}  // namespace search