src/marnav/nmea/wnc.hpp

   1 #ifndef __NMEA__WNC__HPP__
   2 #define __NMEA__WNC__HPP__
   3
   4 #include <marnav/nmea/sentence.hpp>
   5 #include <marnav/nmea/waypoint.hpp>
   6 #include <marnav/utils/optional.hpp>
   7
   8 namespace marnav
   9 {
  10 namespace nmea
  11 {
  12 MARNAV_NMEA_DECLARE_SENTENCE_PARSE_FUNC(wnc)
  13
  14 /// @brief WNC - Distance - Waypoint to Waypoint
  15 ///
  16 /// @code
  17 ///        1   2 3   4 5    6
  18 ///        |   | |   | |    |
  19 /// $--WNC,x.x,N,x.x,K,c--c,c--c*hh<CR><LF>
  20 /// @endcode
  21 ///
  22 /// Field Number:
  23 /// 1. Distance nautical miles
  24 /// 2. Distance nautical miles unit
  25 ///    - N = Nautical Miles
  26 /// 3. Distance Kilometers
  27 /// 4. Distance Kilometers unit
  28 ///    - K = Kilometers
  29 /// 5. TO Waypoint ID
  30 /// 6. FROM Waypoint ID
  31 ///
  32 class wnc : public sentence
  33 {
  34         MARNAV_NMEA_SENTENCE_FRIENDS(wnc)
  35
  36 public:
  37         constexpr static const sentence_id ID = sentence_id::WNC;
  38         constexpr static const char * TAG = "WNC";
  39
  40         wnc();
  41         wnc(const wnc &) = default;
  42         wnc & operator=(const wnc &) = default;
  43         wnc(wnc &&) = default;
  44         wnc & operator=(wnc &&) = default;
  45
  46 protected:
  47         wnc(const std::string & talker, fields::const_iterator first, fields::const_iterator last);
  48         virtual std::vector<std::string> get_data() const override;
  49
  50 private:
  51         utils::optional<double> distance_nm;
  52         utils::optional<unit::distance> distance_nm_unit;
  53         utils::optional<double> distance_km;
  54         utils::optional<unit::distance> distance_km_unit;
  55         utils::optional<waypoint> waypoint_to;
  56         utils::optional<waypoint> waypoint_from;
  57
  58 public:
  59         MARNAV_NMEA_GETTER(distance_nm)
  60         MARNAV_NMEA_GETTER(distance_nm_unit)
  61         MARNAV_NMEA_GETTER(distance_km)
  62         MARNAV_NMEA_GETTER(distance_km_unit)
  63         MARNAV_NMEA_GETTER(waypoint_to)
  64         MARNAV_NMEA_GETTER(waypoint_from)
  65
  66         void set_distance_nm(double t) noexcept;
  67         void set_distance_km(double t) noexcept;
  68         void set_waypoint_to(const waypoint & id) { waypoint_to = id; }
  69         void set_waypoint_from(const waypoint & id) { waypoint_from = id; }
  70 };
  71 }
  72 }
  73
  74 #endif