text: /*
    Copyright 2008 Intel Corporation
   
    Use, modification and distribution are subject to the Boost Software License,
    Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
    http://www.boost.org/LICENSE_1_0.txt).
  */
  #ifndef BOOST_POLYGON_POLYGON_SET_TRAITS_HPP
  #define BOOST_POLYGON_POLYGON_SET_TRAITS_HPP
  namespace boost { namespace polygon{
  
    struct polygon_set_concept {};
  
    //default definition of polygon set traits works for any model of polygon , polygon with holes or any vector or list thereof
    template <typename T>
    struct polygon_set_traits {
      typedef typename get_coordinate_type<T, typename geometry_concept<T>::type >::type coordinate_type;
      typedef typename get_iterator_type<T>::type iterator_type;
      typedef T operator_arg_type;
  
      static inline iterator_type begin(const T& polygon_set) {
        return get_iterator_type<T>::begin(polygon_set);
      }
  
      static inline iterator_type end(const T& polygon_set) {
        return get_iterator_type<T>::end(polygon_set);
      }
  
      static inline bool clean(const T& ) { return false; }
  
      static inline bool sorted(const T& ) { return false; }
    };
  
    template <typename T>
    struct is_polygonal_concept { typedef gtl_no type; };
    template <>
    struct is_polygonal_concept<polygon_concept> { typedef gtl_yes type; };
    template <>
    struct is_polygonal_concept<polygon_with_holes_concept> { typedef gtl_yes type; };
    template <>
    struct is_polygonal_concept<polygon_set_concept> { typedef gtl_yes type; };
  
    template <typename T>
    struct is_polygon_set_type {
      typedef typename is_polygonal_concept<typename geometry_concept<T>::type>::type type;
    };
    template <typename T>
    struct is_polygon_set_type<std::list<T> > { 
      typedef typename gtl_or<
        typename is_polygonal_concept<typename geometry_concept<std::list<T> >::type>::type,
        typename is_polygonal_concept<typename geometry_concept<typename std::list<T>::value_type>::type>::type>::type type;
    };
    template <typename T>
    struct is_polygon_set_type<std::vector<T> > { 
      typedef typename gtl_or<
        typename is_polygonal_concept<typename geometry_concept<std::vector<T> >::type>::type,
        typename is_polygonal_concept<typename geometry_concept<typename std::vector<T>::value_type>::type>::type>::type type;
    };
  
    template <typename T>
    struct is_mutable_polygon_set_type {
      typedef typename gtl_same_type<polygon_set_concept, typename geometry_concept<T>::type>::type type;
    };
    template <typename T>
    struct is_mutable_polygon_set_type<std::list<T> > { 
      typedef typename gtl_or<
        typename gtl_same_type<polygon_set_concept, typename geometry_concept<std::list<T> >::type>::type, 
        typename is_polygonal_concept<typename geometry_concept<typename std::list<T>::value_type>::type>::type>::type type;
    };
    template <typename T>
    struct is_mutable_polygon_set_type<std::vector<T> > { 
      typedef typename gtl_or<
        typename gtl_same_type<polygon_set_concept, typename geometry_concept<std::vector<T> >::type>::type,
        typename is_polygonal_concept<typename geometry_concept<typename std::vector<T>::value_type>::type>::type>::type type;
    };
  
    template <typename T>
    struct polygon_set_mutable_traits {};
    template <typename T>
    struct polygon_set_mutable_traits<std::list<T> > {
      template <typename input_iterator_type>
      static inline void set(std::list<T>& polygon_set, input_iterator_type input_begin, input_iterator_type input_end) {
        polygon_set.clear();
        polygon_set_data<typename polygon_set_traits<std::list<T> >::coordinate_type> ps;
        ps.insert(input_begin, input_end);
        ps.get(polygon_set);
      }
    };
    template <typename T>
    struct polygon_set_mutable_traits<std::vector<T> > {
      template <typename input_iterator_type>
      static inline void set(std::vector<T>& polygon_set, input_iterator_type input_begin, input_iterator_type input_end) {
        polygon_set.clear();
        polygon_set_data<typename polygon_set_traits<std::list<T> >::coordinate_type> ps;
        ps.insert(input_begin, input_end);
        ps.get(polygon_set);
      }
    };
  
    template <typename T>
    struct polygon_set_mutable_traits<polygon_set_data<T> > {
      template <typename input_iterator_type>
      static inline void set(polygon_set_data<T>& polygon_set, 
                             input_iterator_type input_begin, input_iterator_type input_end) {
        polygon_set.set(input_begin, input_end);
      }
    };
    template <typename T>
    struct polygon_set_traits<polygon_set_data<T> > {
      typedef typename polygon_set_data<T>::coordinate_type coordinate_type;
      typedef typename polygon_set_data<T>::iterator_type iterator_type;
      typedef typename polygon_set_data<T>::operator_arg_type operator_arg_type;
  
      static inline iterator_type begin(const polygon_set_data<T>& polygon_set) {
        return polygon_set.begin();
      }
  
      static inline iterator_type end(const polygon_set_data<T>& polygon_set) {
        return polygon_set.end();
      }
  
      static inline bool clean(const polygon_set_data<T>& polygon_set) { polygon_set.clean(); return true; }
  
      static inline bool sorted(const polygon_set_data<T>& polygon_set) { polygon_set.sort(); return true; }
  
    };
  }  
  }
  #endif
  
  