geometries_traits.h

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#ifndef SQL_GIS_GEOMETRIES_TRAITS_H_INCLUDED
#define SQL_GIS_GEOMETRIES_TRAITS_H_INCLUDED
 
// Copyright (c) 2017, 2025, Oracle and/or its affiliates.
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/// @file
///
/// This file contains Boost.Geometry type traits declarations for Cartesian and
/// geographic geometries.
///
/// @see geometries_cs.h
 
#include <boost/geometry/core/access.hpp>
#include <boost/geometry/core/closure.hpp>
#include <boost/geometry/core/coordinate_dimension.hpp>
#include <boost/geometry/core/coordinate_system.hpp>
#include <boost/geometry/core/coordinate_type.hpp>
#include <boost/geometry/core/cs.hpp>
#include <boost/geometry/core/exterior_ring.hpp>
#include <boost/geometry/core/interior_rings.hpp>
#include <boost/geometry/core/interior_type.hpp>
#include <boost/geometry/core/point_order.hpp>
#include <boost/geometry/core/ring_type.hpp>
#include <boost/geometry/core/tags.hpp>
#include <boost/geometry/geometries/concepts/linestring_concept.hpp>
#include <boost/geometry/geometries/concepts/point_concept.hpp>
#include <boost/geometry/geometries/concepts/polygon_concept.hpp>
 
#include "sql/gis/geometries_cs.h"
#include "sql/malloc_allocator.h"
 
namespace boost {
namespace geometry {
namespace traits {
 
////////////////////////////////////////////////////////////////////////////////
 
// Cartesian
 
// Point
 
template <>
struct tag<gis::Cartesian_point> {
  typedef boost::geometry::point_tag type;
};
 
template <>
struct coordinate_type<gis::Cartesian_point> {
  typedef double type;
};
 
template <>
struct coordinate_system<gis::Cartesian_point> {
  typedef boost::geometry::cs::cartesian type;
};
 
template <>
struct dimension<gis::Cartesian_point> : boost::mpl::int_<2> {};
 
template <std::size_t Dimension>
struct access<gis::Cartesian_point, Dimension> {
  static inline double get(gis::Cartesian_point const &p) {
    return p.get<Dimension>();
  }
 
  static inline void set(gis::Cartesian_point &p, double const &value) {
    p.set<Dimension>(value);
  }
};
 
// Linestring
 
template <>
struct tag<gis::Cartesian_linestring> {
  typedef boost::geometry::linestring_tag type;
};
 
// Linearring
 
template <>
struct tag<gis::Cartesian_linearring> {
  typedef boost::geometry::ring_tag type;
};
 
template <>
struct point_order<gis::Cartesian_linearring> {
  static const order_selector value = counterclockwise;
};
 
template <>
struct closure<gis::Cartesian_linearring> {
  static const closure_selector value = closed;
};
 
// Polygon
 
template <>
struct tag<gis::Cartesian_polygon> {
  typedef boost::geometry::polygon_tag type;
};
 
template <>
struct ring_const_type<gis::Cartesian_polygon> {
  typedef gis::Cartesian_linearring const &type;
};
 
template <>
struct ring_mutable_type<gis::Cartesian_polygon> {
  typedef gis::Cartesian_linearring &type;
};
 
template <>
struct interior_const_type<gis::Cartesian_polygon> {
  typedef std::vector<gis::Cartesian_linearring,
                      Malloc_allocator<gis::Cartesian_linearring>> const &type;
};
 
template <>
struct interior_mutable_type<gis::Cartesian_polygon> {
  typedef std::vector<gis::Cartesian_linearring,
                      Malloc_allocator<gis::Cartesian_linearring>> &type;
};
 
template <>
struct exterior_ring<gis::Cartesian_polygon> {
  static inline gis::Cartesian_linearring &get(gis::Cartesian_polygon &py) {
    return py.cartesian_exterior_ring();
  }
 
  static inline gis::Cartesian_linearring const &get(
      gis::Cartesian_polygon const &py) {
    return py.cartesian_exterior_ring();
  }
};
 
template <>
struct interior_rings<gis::Cartesian_polygon> {
  static inline std::vector<gis::Cartesian_linearring,
                            Malloc_allocator<gis::Cartesian_linearring>>
      &get(gis::Cartesian_polygon &py) {
    return py.interior_rings();
  }
 
  static inline std::vector<gis::Cartesian_linearring,
                            Malloc_allocator<gis::Cartesian_linearring>> const &
  get(gis::Cartesian_polygon const &py) {
    return py.const_interior_rings();
  }
};
 
// Multipoint
 
template <>
struct tag<gis::Cartesian_multipoint> {
  typedef boost::geometry::multi_point_tag type;
};
 
// Multilinestring
 
template <>
struct tag<gis::Cartesian_multilinestring> {
  typedef boost::geometry::multi_linestring_tag type;
};
 
// Multipolygon
 
template <>
struct tag<gis::Cartesian_multipolygon> {
  typedef boost::geometry::multi_polygon_tag type;
};
 
////////////////////////////////////////////////////////////////////////////////
 
// Geographic
 
// Point
 
template <>
struct tag<gis::Geographic_point> {
  typedef boost::geometry::point_tag type;
};
 
template <>
struct coordinate_type<gis::Geographic_point> {
  typedef double type;
};
 
template <>
struct coordinate_system<gis::Geographic_point> {
  typedef boost::geometry::cs::geographic<radian> type;
};
 
template <>
struct dimension<gis::Geographic_point> : boost::mpl::int_<2> {};
 
template <std::size_t Dimension>
struct access<gis::Geographic_point, Dimension> {
  static inline double get(gis::Geographic_point const &p) {
    return p.get<Dimension>();
  }
 
  static inline void set(gis::Geographic_point &p, double const &value) {
    p.set<Dimension>(value);
  }
};
 
// Linestring
 
template <>
struct tag<gis::Geographic_linestring> {
  typedef boost::geometry::linestring_tag type;
};
 
// Linearring
 
template <>
struct tag<gis::Geographic_linearring> {
  typedef boost::geometry::ring_tag type;
};
 
template <>
struct point_order<gis::Geographic_linearring> {
  static const order_selector value = counterclockwise;
};
 
template <>
struct closure<gis::Geographic_linearring> {
  static const closure_selector value = closed;
};
 
// Polygon
 
template <>
struct tag<gis::Geographic_polygon> {
  typedef boost::geometry::polygon_tag type;
};
 
template <>
struct ring_const_type<gis::Geographic_polygon> {
  typedef gis::Geographic_linearring const &type;
};
 
template <>
struct ring_mutable_type<gis::Geographic_polygon> {
  typedef gis::Geographic_linearring &type;
};
 
template <>
struct interior_const_type<gis::Geographic_polygon> {
  typedef std::vector<gis::Geographic_linearring,
                      Malloc_allocator<gis::Geographic_linearring>> const &type;
};
 
template <>
struct interior_mutable_type<gis::Geographic_polygon> {
  typedef std::vector<gis::Geographic_linearring,
                      Malloc_allocator<gis::Geographic_linearring>> &type;
};
 
template <>
struct exterior_ring<gis::Geographic_polygon> {
  static inline gis::Geographic_linearring &get(gis::Geographic_polygon &py) {
    return py.geographic_exterior_ring();
  }
 
  static inline gis::Geographic_linearring const &get(
      gis::Geographic_polygon const &py) {
    return py.geographic_exterior_ring();
  }
};
 
template <>
struct interior_rings<gis::Geographic_polygon> {
  static inline std::vector<gis::Geographic_linearring,
                            Malloc_allocator<gis::Geographic_linearring>>
      &get(gis::Geographic_polygon &py) {
    return py.interior_rings();
  }
 
  static inline std::vector<gis::Geographic_linearring,
                            Malloc_allocator<gis::Geographic_linearring>> const
      &
      get(gis::Geographic_polygon const &py) {
    return py.const_interior_rings();
  }
};
 
// Multipoint
 
template <>
struct tag<gis::Geographic_multipoint> {
  typedef boost::geometry::multi_point_tag type;
};
 
// Multilinestring
 
template <>
struct tag<gis::Geographic_multilinestring> {
  typedef boost::geometry::multi_linestring_tag type;
};
 
// Multipolygon
 
template <>
struct tag<gis::Geographic_multipolygon> {
  typedef boost::geometry::multi_polygon_tag type;
};
 
}  // namespace traits
}  // namespace geometry
}  // namespace boost
 
#endif  // SQL_GIS_GEOMETRIES_TRAITS_H_INCLUDED