Method GetRoadShields

libs/indexer/road_shields_parser.cpp:136–180

  }

  RoadShieldsSetT GetRoadShields() const
  {
    RoadShieldsSetT result, defaultShields;

    uint8_t index = 0;
    strings::Tokenize(m_baseRoadNumber, ";", [&](std::string_view rawText)
    {
      ++index;
      RoadShield shield;
      auto slashPos = rawText.find('/');
      if (slashPos == std::string::npos)
      {
        shield = ParseRoadShield(rawText, index);
      }
      else
      {
        shield = ParseRoadShield(rawText.substr(slashPos + 1), index);
        // TODO: use a network-based shield type override only if a parser couldn't make it
        // more specific than country's default shield type.
        // E.g. "94" is set to Generic_Orange by Estonia parser, but then
        // is overriden by "ee:national" => Generic_Red.
        // (can't override just RoadShieldType::Default, as e.g. Russia parser uses Generic_Blue as country default).
        if (shield.m_type != RoadShieldType::Hidden)
        {
          RoadShieldType const networkType = FindNetworkShield(std::string(rawText.substr(0, slashPos)));
          if (networkType != RoadShieldType::Default)
            shield.m_type = networkType;
        }
      }
      if (!shield.m_name.empty() && shield.m_type != RoadShieldType::Hidden)
      {
        if (shield.m_type != RoadShieldType::Default)
        {
          // Schedule deletion of a shield with the same text and default style, if present.
          defaultShields.emplace_back(RoadShieldType::Default, shield.m_name, shield.m_additionalText);
        }
        result.push_back(std::move(shield));
      }
    });

    result.erase_if([&defaultShields](RoadShield const & shield)
    { return std::find(defaultShields.begin(), defaultShields.end(), shield) != defaultShields.end(); });

    return result;
  }

protected:
  std::string const m_baseRoadNumber;