62 lines
1.7 KiB
C++
62 lines
1.7 KiB
C++
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#pragma once
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#include <vanetza/geodesy/country_polygon.hpp>
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#include <vanetza/geodesy/m49_code.hpp>
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#include <vanetza/geodesy/position.hpp>
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#include <cstddef>
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#include <string>
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#include <unordered_map>
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namespace vanetza
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{
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namespace geodesy
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{
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class CountryDatabase
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{
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public:
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/**
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* Create a CountryDatabase from embedded country data.
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* Only available when built with VANETZA_WITH_EMBEDDED_COUNTRY_DATA.
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* \param[out] error optional error message
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* \return loaded database, or empty database on failure
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*/
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static CountryDatabase embedded(std::string* error = nullptr);
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/**
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* Load country data from a file.
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* \param[in] path path to the binary country data file
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* \param[out] error optional error message
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* \return true on success
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*/
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bool load(const std::string& path, std::string* error = nullptr);
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/**
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* Load country data from a memory buffer.
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* \param[in] data pointer to binary data
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* \param[in] length size of data in bytes
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* \param[out] error optional error message
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* \return true on success
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*/
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bool load(const uint8_t* data, std::size_t length, std::string* error = nullptr);
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/**
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* Check if a geodetic position lies within a country.
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* \param country M.49 country code
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* \param position geodetic position to check
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* \return true if position is inside the country's boundaries
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*/
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bool is_inside(M49Code country, const GeodeticPosition& position) const;
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/**
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* Check if the database contains any country data.
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* \return true if no countries are loaded
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*/
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bool empty() const;
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private:
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std::unordered_map<M49Code, CountryPolygon> m_countries;
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};
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} // namespace geodesy
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} // namespace vanetza
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