{

public:

/// @note An order is important here, @see Load function.

enum class MapType : uint8_t

{

World,

WorldCoasts,

Country

};

/// Max possible geometry scales. @see arrays in feature_impl.hpp

static constexpr size_t kMaxScalesCount = 4;

DataHeader() = default;

explicit DataHeader(std::string const & fileName);

explicit DataHeader(FilesContainerR const & cont);

inline void SetGeometryCodingParams(serial::GeometryCodingParams const & cp)

{

m_codingParams = cp;

}

inline serial::GeometryCodingParams const & GetDefGeometryCodingParams() const

{

return m_codingParams;

}

serial::GeometryCodingParams GetGeometryCodingParams(int scaleIndex) const;

m2::RectD GetBounds() const;

void SetBounds(m2::RectD const & r);

template <size_t N>

void SetScales(int const (&arr)[N])

{

m_scales.assign(arr, arr + N);

}

size_t GetScalesCount() const { return m_scales.size(); }

int GetScale(size_t i) const { return static_cast<int>(m_scales[i]); }

int GetLastScale() const { return m_scales.back(); }

std::pair<int, int> GetScaleRange() const;

void Save(FileWriter & w) const;

void Load(FilesContainerR const & cont);

void SetType(MapType t) { m_type = t; }

MapType GetType() const { return m_type; }

private:

void Load(ModelReaderPtr const & r);

MapType m_type = MapType::World;

serial::GeometryCodingParams m_codingParams;

// Rect around region border. Features which cross region border may cross this rect.

std::pair<int64_t, int64_t> m_bounds;

buffer_vector<uint8_t, kMaxScalesCount> m_scales;

// Is not used now (see data/countries_meta.txt). Can be reused for something else.

buffer_vector<uint8_t, 2> m_langs;