Files
comaps/libs/routing/mwm_hierarchy_handler.hpp
2025-12-11 21:51:56 +07:00

41 lines
1.1 KiB
C++

#pragma once
#include "routing/route_weight.hpp"
#include "routing/router.hpp"
#include "routing_common/num_mwm_id.hpp"
#include <memory>
#include <string>
#include "3party/ankerl/unordered_dense.h"
namespace routing
{
/// Class for calculating penalty while crossing country borders. Also finds parent country for mwm.
class MwmHierarchyHandler
{
public:
// Used in tests only.
MwmHierarchyHandler() = default;
// Used in IndexRouter.
MwmHierarchyHandler(std::shared_ptr<NumMwmIds> numMwmIds, CountryParentNameGetterFn countryParentNameGetterFn);
bool HasCrossBorderPenalty(NumMwmId mwmId1, NumMwmId mwmId2);
RouteWeight GetCrossBorderPenalty(NumMwmId mwmId1, NumMwmId mwmId2);
private:
/// @return Parent country name for \a mwmId.
std::string GetMwmName(NumMwmId mwmId) const;
std::string GetParentCountry(NumMwmId mwmId) const;
std::string const & GetParentCountryCached(NumMwmId mwmId);
std::shared_ptr<NumMwmIds> m_numMwmIds;
CountryParentNameGetterFn m_countryParentNameGetterFn;
using MwmToCountry = ankerl::unordered_dense::map<NumMwmId, std::string>;
MwmToCountry m_mwmCountriesCache;
};
} // namespace routing