Method Do

libs/map/transit/transit_reader.cpp:69–188

}

void ReadTransitTask::Do()
{
  MwmSet::MwmHandle handle = m_dataSource.GetMwmHandleById(m_mwmId);
  if (!handle.IsAlive())
  {
    // It's possible that mwm handle is not alive because mwm may be removed after
    // transit route is built but before this task is executed.
    LOG(LWARNING, ("Can't get mwm handle for", m_mwmId));
    m_success = false;
    return;
  }
  MwmValue const & mwmValue = *handle.GetValue();
  if (!m_loadSubset && !mwmValue.m_cont.IsExist(TRANSIT_FILE_TAG))
  {
    m_success = true;
    return;
  }
  CHECK(mwmValue.m_cont.IsExist(TRANSIT_FILE_TAG),
        ("No transit section in mwm, but transit route was built with it. mwmId:", m_mwmId));

  auto reader = mwmValue.m_cont.GetReader(TRANSIT_FILE_TAG);
  CHECK(reader.GetPtr() != nullptr, ());

  auto const transitHeaderVersion = ::transit::GetVersion(*reader.GetPtr());
  if (transitHeaderVersion == ::transit::TransitVersion::OnlySubway)
  {
    m_transitInfo->m_transitVersion = ::transit::TransitVersion::OnlySubway;

    routing::transit::GraphData graphData;
    graphData.DeserializeForRendering(*reader.GetPtr());

    FillItemsByIdMap(graphData.GetStops(), m_transitInfo->m_stopsSubway);
    for (auto const & stop : m_transitInfo->m_stopsSubway)
    {
      if (stop.second.GetFeatureId() != kInvalidFeatureId)
      {
        auto const featureId = FeatureID(m_mwmId, stop.second.GetFeatureId());
        m_transitInfo->m_features[featureId] = {};
      }

      if (m_loadSubset && (stop.second.GetTransferId() != routing::transit::kInvalidTransferId))
        m_transitInfo->m_transfersSubway[stop.second.GetTransferId()] = {};
    }
    FillItemsByIdMap(graphData.GetTransfers(), m_transitInfo->m_transfersSubway);
    FillItemsByIdMap(graphData.GetLines(), m_transitInfo->m_linesSubway);
    FillItemsByIdMap(graphData.GetShapes(), m_transitInfo->m_shapesSubway);
  }
  else if (transitHeaderVersion == ::transit::TransitVersion::AllPublicTransport)
  {
    m_transitInfo->m_transitVersion = ::transit::TransitVersion::AllPublicTransport;

    ::transit::experimental::TransitData transitData;
    transitData.DeserializeForRendering(*reader.GetPtr());

    FillItemsByIdMap(transitData.GetStops(), m_transitInfo->m_stopsPT);

    for (auto const & edge : transitData.GetEdges())
    {