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#pragma once
#include "coding/geometry_coding.hpp"
#include "coding/map_uint32_to_val.hpp"
#include "geometry/point2d.hpp"
#include <cstdint>
#include <memory>
#include <vector>
class FilesContainerR;
class Reader;
class Writer;
namespace search
{
// A wrapper class around serialized centers-table.
class CentersTable
{
public:
// Tries to get |center| of the feature identified by |id|. Returns
// false if table does not have entry for the feature.
WARN_UNUSED_RESULT bool Get(uint32_t id, m2::PointD & center);
// Loads CentersTable instance. Note that |reader| must be alive
// until the destruction of loaded table. Returns nullptr if
// CentersTable can't be loaded.
static std::unique_ptr<CentersTable> Load(Reader & reader,
serial::GeometryCodingParams const & codingParams);
private:
using Map = MapUint32ToValue<m2::PointU>;
bool Init(Reader & reader, serial::GeometryCodingParams const & codingParams);
serial::GeometryCodingParams m_codingParams;
std::unique_ptr<Map> m_map;
};
class CentersTableBuilder
{
public:
inline void SetGeometryCodingParams(serial::GeometryCodingParams const & codingParams)
{
m_codingParams = codingParams;
}
void Put(uint32_t featureId, m2::PointD const & center);
void Freeze(Writer & writer) const;
private:
serial::GeometryCodingParams m_codingParams;
MapUint32ToValueBuilder<m2::PointU> m_builder;
};
} // namespace search
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