Method SearchByFeatureId

libs/search/processor.cpp:388–460

}

void Processor::SearchByFeatureId()
{
  // Create a copy of the query to trim it in-place.
  string query(m_query.m_query);
  strings::Trim(query);

  if (strings::EatPrefix(query, "?fid"))
  {
    strings::Trim(query);
    if (strings::EatPrefix(query, "="))
      strings::Trim(query);
  }
  else
    return;

  vector<shared_ptr<MwmInfo>> infos;
  m_dataSource.GetMwmsInfo(infos);

  auto const putFeature = [](FeaturesLoaderGuard & guard, uint32_t fid, auto const & fn)
  {
    // Feature can be deleted, so always check.
    auto ft = guard.GetFeatureByIndex(fid);
    if (ft)
      fn(std::move(ft));
  };

  storage::CountryId mwmName;
  uint32_t version;
  uint32_t fid;

  // Case 0.
  {
    string s = query;
    if (EatFid(s, fid))
    {
      EmitResultsFromMwms(infos, [&putFeature, fid](FeaturesLoaderGuard & guard, auto const & fn)
      {
        if (fid < guard.GetNumFeatures())
          putFeature(guard, fid, fn);
      });
    }
  }

  // Case 1.
  {
    string s = query;
    bool const parenPref = strings::EatPrefix(s, "(");
    bool const parenSuff = strings::EatSuffix(s, ")");
    if (parenPref == parenSuff && EatMwmName(m_countriesTrie, s, mwmName) && strings::EatPrefix(s, ",") &&
        EatFid(s, fid))
    {
      EmitResultsFromMwms(infos, [&putFeature, &mwmName, fid](FeaturesLoaderGuard & guard, auto const & fn)
      {
        if (guard.GetCountryFileName() == mwmName && fid < guard.GetNumFeatures())
          putFeature(guard, fid, fn);
      });
    }
  }