Method GoImpl

libs/search/geocoder.cpp:530–641

}

void Geocoder::GoImpl(vector<MwmInfoPtr> const & infos, bool inViewport)
{
  // base::PProf pprof("/tmp/geocoder.prof");

  // Tries to find world and fill localities table.
  {
    m_cities.clear();
    for (auto & regions : m_regions)
      regions.clear();
    MwmSet::MwmHandle handle = indexer::FindWorld(m_dataSource, infos);
    if (handle.IsAlive())
    {
      auto & value = *handle.GetValue();

      // All MwmIds are unique during the application lifetime, so
      // it's ok to save MwmId.
      m_worldId = handle.GetId();
      m_context = make_unique<MwmContext>(std::move(handle));

      if (value.HasSearchIndex())
      {
        BaseContext ctx;
        InitBaseContext(ctx);
        FillLocalitiesTable(ctx);
      }

      m_context.reset();
    }
  }

  // Orders countries by distance from viewport center and position.
  // This order is used during MatchAroundPivot() stage - we try to
  // match as many features as possible without trying to match
  // locality (COUNTRY or CITY), and only when there are too many
  // features, viewport and position vicinity filter is used.  To
  // prevent full search in all mwms, we need to limit somehow a set
  // of mwms for MatchAroundPivot(), so, we always call
  // MatchAroundPivot() on maps intersecting with pivot rect, other
  // maps are ordered by distance from pivot, and we stop to call
  // MatchAroundPivot() on them as soon as at least one feature is
  // found.
  auto const infosWithType = OrderCountries(inViewport, infos);

  // MatchAroundPivot() should always be matched in mwms
  // intersecting with position and viewport.
  auto processCountry = [&](unique_ptr<MwmContext> context, bool updatePreranker)
  {
    ASSERT(context, ());
    m_context = std::move(context);

    SCOPE_GUARD(cleanup, [&]()
    {
      LOG(LDEBUG, (m_context->GetName(), "geocoding complete."));
      m_matcher->OnQueryFinished();
      m_matcher = nullptr;
      m_context.reset();
    });