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#pragma once
#include "search/geocoder.hpp"
#include "search/ranking_utils.hpp"
#include "std/string.hpp"
#include "std/vector.hpp"
namespace search
{
struct QueryParams;
class LocalityScorer
{
public:
static size_t const kDefaultReadLimit;
class Delegate
{
public:
virtual ~Delegate() = default;
virtual void GetNames(uint32_t featureId, vector<string> & names) const = 0;
virtual uint8_t GetRank(uint32_t featureId) const = 0;
};
LocalityScorer(QueryParams const & params, Delegate const & delegate);
// Leaves at most |limit| elements of |localities|, ordered by some
// combination of ranks and number of matched tokens.
void GetTopLocalities(size_t limit, vector<Geocoder::Locality> & localities) const;
private:
struct ExLocality
{
ExLocality();
explicit ExLocality(Geocoder::Locality const & locality);
inline uint32_t GetId() const { return m_locality.m_featureId; }
Geocoder::Locality m_locality;
size_t m_numTokens;
uint8_t m_rank;
NameScore m_nameScore;
};
void RemoveDuplicates(vector<ExLocality> & ls) const;
void LeaveTopByRankAndProb(size_t limit, vector<ExLocality> & ls) const;
void SortByNameAndProb(vector<ExLocality> & ls) const;
QueryParams const & m_params;
Delegate const & m_delegate;
};
} // namespace search
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