is_simple_functor.h

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/// @file
///
/// Declares the is_simple functor interface.
///
/// The functor is not intended for use directly by MySQL code. It should be
/// used indirectly through the gis::is_simple() function.
///
/// @see gis::is_simple
 
#ifndef SQL_GIS_IS_SIMPLE_FUNCTOR_H_INCLUDED
#define SQL_GIS_IS_SIMPLE_FUNCTOR_H_INCLUDED
 
#include <boost/geometry.hpp>
 
#include "sql/gis/functor.h"        // gis::Unary_functor
#include "sql/gis/geometries.h"     // gis::Geometry
#include "sql/gis/geometries_cs.h"  // gis::{Cartesian_*, Geographic_*}
 
namespace gis {
 
/// Is_simple functor calls boost::geometry::is_simple with the correct
/// parameter types.
///
/// The functor may throw exceptions. It is intended for implementing geographic
/// functions. It should not be used directly by other MySQL code.
class Is_simple : public Unary_functor<bool> {
  boost::geometry::strategy::intersection::geographic_segments<> m_geostrat;
 
  // For instantiating gis::Intersects when evaluating a Geometrycollection.
  double m_semi_major;
  double m_semi_minor;
 
 public:
  Is_simple(double semi_major, double semi_minor);
 
  bool operator()(const Geometry &g) const override;
 
  bool eval(const Cartesian_point &g) const;
  bool eval(const Cartesian_linestring &g) const;
  bool eval(const Cartesian_polygon &g) const;
  bool eval(const Cartesian_multipoint &g) const;
  bool eval(const Cartesian_multipolygon &g) const;
  bool eval(const Cartesian_multilinestring &g) const;
 
  bool eval(const Geographic_point &g) const;
  bool eval(const Geographic_linestring &g) const;
  bool eval(const Geographic_polygon &g) const;
  bool eval(const Geographic_multipoint &g) const;
  bool eval(const Geographic_multipolygon &g) const;
  bool eval(const Geographic_multilinestring &g) const;
 
  bool eval(const Geometrycollection &g) const;
};
 
}  // namespace gis
 
#endif  // include guard