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37 lines
1.6 KiB
C++
37 lines
1.6 KiB
C++
#pragma once
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#include "routing_common/maxspeed_conversion.hpp"
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#include "platform/measurement_utils.hpp"
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#include <cstdint>
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#include <string>
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namespace generator
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{
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/// \brief Obtains |speed| and |units| by road category based on
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/// the table at https://wiki.openstreetmap.org/wiki/Speed_limits
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/// This function should be updated regularly. Last update: 23.10.18.
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/// \returns true if |speed| and |units| is found for |category| and these fields are filled
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/// and false otherwise.
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/// \note For example by passing string "RU:urban", you'll get
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/// speed = 60 and units = Units::Metric.
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/// \note If the method returns true the field |speed| may be filled with |kNoneMaxSpeed| value.
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/// It means no speed limits for the |category|. It is currently the case for some road categories
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/// in Germany.
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bool RoadCategoryToSpeed(std::string const & category, routing::SpeedInUnits & speed);
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/// \brief Tries to convert the value of tag maxspeed to speed in appropriate units.
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/// \returns false in case of error and true if the conversion is successful.
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/// \note speed.m_speed will be filled with kNoneMaxSpeed or kWalkMaxSpeed if
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/// maxspeedValue is equal to "none" or "walk". The value of speed.m_units does not
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/// matter in this case.
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bool ParseMaxspeedTag(std::string const & maxspeedValue, routing::SpeedInUnits & speed);
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std::string UnitsToString(measurement_utils::Units units);
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/// \brief Converts string to measurement_utils::Units.
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/// \note |units| should be "Metric" or "Imperial".
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measurement_utils::Units StringToUnits(std::string_view units);
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} // namespace generator
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