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#pragma once
#include "platform/mwm_version.hpp"
#include "std/string.hpp"
namespace version
{
// This is a wrapper around mwm's version. Allows users to get
// information about versions of some data structures in mwm.
class MwmTraits
{
public:
enum class SearchIndexFormat
{
// A list of features with their ranks and centers
// is stored behind every node of the search trie.
// This format corresponds to ValueList<FeatureWithRankAndCenter>.
FeaturesWithRankAndCenter,
// A compressed bit vector of feature indices is
// stored behind every node of the search trie.
// This format corresponds to ValueList<FeatureIndexValue>.
CompressedBitVector,
};
enum class HouseToStreetTableFormat
{
// An array of elements where i-th element is an index of a street
// in a vector returned by ReverseGeocoder::GetNearbyStreets() for
// the i-th feature. Each element normally fits into 3 bits, but
// there can be exceptions, and these exceptions are stored in a
// separate table. See ReverseGeocoder and FixedBitsDDVector for
// details.
Fixed3BitsDDVector,
// The format of relation is unknown. Most likely, an error has occured.
Unknown
};
MwmTraits(version::Format versionFormat);
SearchIndexFormat GetSearchIndexFormat() const;
HouseToStreetTableFormat GetHouseToStreetTableFormat() const;
private:
version::Format m_versionFormat;
};
string DebugPrint(MwmTraits::SearchIndexFormat format);
string DebugPrint(MwmTraits::HouseToStreetTableFormat format);
} // namespace version
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