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72 lines
2.0 KiB
C++
72 lines
2.0 KiB
C++
#pragma once
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#include "platform/mwm_version.hpp"
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#include <string>
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namespace version
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{
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// This is a wrapper around mwm's version. Allows users to get
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// information about versions of some data structures in mwm.
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class MwmTraits
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{
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public:
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enum class SearchIndexFormat
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{
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// A list of features with their ranks and centers
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// is stored behind every node of the search trie.
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// This format corresponds to ValueList<FeatureWithRankAndCenter>.
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FeaturesWithRankAndCenter,
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// A compressed bit vector of feature indices is
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// stored behind every node of the search trie.
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// This format corresponds to ValueList<Uint64IndexValue>.
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CompressedBitVector,
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// A compressed bit vector of feature indices is
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// stored behind every node of the search trie.
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// This format corresponds to ValueList<Uint64IndexValue>.
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// Section has header.
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CompressedBitVectorWithHeader,
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};
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enum class HouseToStreetTableFormat
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{
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// Versioning is independent of MwmTraits: section format depends on the section header.
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HouseToStreetTableWithHeader,
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// The format of relation is unknown. Most likely, an error has occured.
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Unknown
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};
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enum class CentersTableFormat
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{
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// Centers table encoded without any header. Coding params from mwm header are used.
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PlainEliasFanoMap,
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// Centers table has its own header with version and coding params.
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EliasFanoMapWithHeader,
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};
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explicit MwmTraits(MwmVersion const & version);
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SearchIndexFormat GetSearchIndexFormat() const;
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HouseToStreetTableFormat GetHouseToStreetTableFormat() const;
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CentersTableFormat GetCentersTableFormat() const;
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bool HasIsolines() const;
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private:
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Format GetFormat() const { return m_version.GetFormat(); }
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uint32_t GetVersion() const { return m_version.GetVersion(); }
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MwmVersion m_version;
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};
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std::string DebugPrint(MwmTraits::SearchIndexFormat format);
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std::string DebugPrint(MwmTraits::HouseToStreetTableFormat format);
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std::string DebugPrint(MwmTraits::CentersTableFormat format);
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} // namespace version
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