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e3e4a1985a
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50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
#pragma once
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#include <array>
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#include <cstddef>
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#include <cstdint>
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#include <string>
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namespace ge0
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{
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class Ge0Parser
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{
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public:
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// Used by map/mwm_url.cpp.
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static constexpr std::array<std::string_view, 6> kGe0Prefixes = {{
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"https://omaps.app/", "om://", "http://omaps.app/",
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"ge0://", "http://ge0.me/", "https://ge0.me/"
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}};
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struct Result
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{
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double m_zoomLevel = 0.0;
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double m_lat = 0.0;
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double m_lon = 0.0;
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std::string m_name;
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};
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Ge0Parser();
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bool Parse(std::string const & url, Result & result);
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bool ParseAfterPrefix(std::string const & url, size_t from, Result & result);
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protected:
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uint8_t DecodeBase64Char(char const c);
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static double DecodeZoom(uint8_t const zoomByte);
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bool DecodeLatLon(std::string const & s, double & lat, double & lon);
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bool DecodeLatLonToInt(std::string const & s, int & lat, int & lon);
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double DecodeLatFromInt(int const lat, int const maxValue);
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double DecodeLonFromInt(int const lon, int const maxValue);
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std::string DecodeName(std::string name);
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void SpacesToUnderscore(std::string & name);
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void ValidateName(std::string & name);
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static bool IsHexChar(char const a);
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private:
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uint8_t m_base64ReverseCharTable[256];
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};
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std::string DebugPrint(Ge0Parser::Result const & r);
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} // namespace ge0
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