src/marnav/nmea/wpl.hpp

   1 #ifndef __MARNAV__NMEA__WPL__HPP__
   2 #define __MARNAV__NMEA__WPL__HPP__
   3
   4 #include <marnav/nmea/sentence.hpp>
   5 #include <marnav/nmea/angle.hpp>
   6 #include <marnav/nmea/waypoint.hpp>
   7 #include <marnav/utils/optional.hpp>
   8
   9 namespace marnav
  10 {
  11 namespace nmea
  12 {
  13 MARNAV_NMEA_DECLARE_SENTENCE_PARSE_FUNC(wpl)
  14
  15 /// @brief WPL - Waypoint Location
  16 ///
  17 /// @code
  18 ///        1       2 3        4 5
  19 ///        |       | |        | |
  20 /// $--WPL,llll.ll,a,yyyyy.yy,a,c--c*hh<CR><LF>
  21 /// @endcode
  22 ///
  23 /// Field Number:
  24 /// 1. Latitude
  25 /// 2. Latitude hemisphere
  26 ///    - N = North
  27 ///    - S = South
  28 /// 3. Longitude
  29 /// 4. Longitude hemisphere
  30 ///    - E = East
  31 ///    - W = West
  32 /// 5. Waypoint ID
  33 ///
  34 class wpl : public sentence
  35 {
  36         MARNAV_NMEA_SENTENCE_FRIENDS(wpl)
  37
  38 public:
  39         constexpr static const sentence_id ID = sentence_id::WPL;
  40         constexpr static const char * TAG = "WPL";
  41
  42         wpl();
  43         wpl(const wpl &) = default;
  44         wpl & operator=(const wpl &) = default;
  45         wpl(wpl &&) = default;
  46         wpl & operator=(wpl &&) = default;
  47
  48 protected:
  49         wpl(talker talk, fields::const_iterator first, fields::const_iterator last);
  50         virtual std::vector<std::string> get_data() const override;
  51
  52 private:
  53         utils::optional<geo::latitude> lat;
  54         utils::optional<direction> lat_hem; // latitude hemisphere (N or S)
  55         utils::optional<geo::longitude> lon;
  56         utils::optional<direction> lon_hem; // longitude hemisphere (E or W)
  57         utils::optional<waypoint> waypoint_id;
  58
  59 public:
  60         decltype(waypoint_id) get_waypoint_id() const { return waypoint_id; }
  61
  62         utils::optional<geo::longitude> get_longitude() const;
  63         utils::optional<geo::latitude> get_latitude() const;
  64
  65         void set_lat(const geo::latitude & t);
  66         void set_lon(const geo::longitude & t);
  67         void set_waypoint(const waypoint & id) { waypoint_id = id; }
  68 };
  69 }
  70 }
  71
  72 #endif