| // Boost.Geometry |
| |
| // Copyright (c) 2014 Adam Wulkiewicz, Lodz, Poland. |
| |
| // Use, modification and distribution is 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_GEOMETRY_ALGORITHMS_DETAIL_INTERIOR_ITERATOR_HPP |
| #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_INTERIOR_ITERATOR_HPP |
| |
| #include <boost/range/iterator.hpp> |
| #include <boost/range/value_type.hpp> |
| |
| #include <boost/geometry/core/interior_type.hpp> |
| |
| namespace boost { namespace geometry |
| { |
| |
| #ifndef DOXYGEN_NO_DETAIL |
| namespace detail |
| { |
| |
| /*! |
| \brief Structure defining the type of interior rings iterator |
| \note If the Geometry is const, const iterator is defined. |
| \tparam Geometry \tparam_geometry |
| */ |
| template <typename Geometry> |
| struct interior_iterator |
| { |
| typedef typename boost::range_iterator |
| < |
| typename geometry::interior_type<Geometry>::type |
| >::type type; |
| }; |
| |
| template <typename BaseT, typename T> |
| struct copy_const |
| { |
| typedef T type; |
| }; |
| |
| template <typename BaseT, typename T> |
| struct copy_const<BaseT const, T> |
| { |
| typedef T const type; |
| }; |
| |
| template <typename Geometry> |
| struct interior_ring_iterator |
| { |
| typedef typename boost::range_iterator |
| < |
| typename copy_const |
| < |
| typename geometry::interior_type<Geometry>::type, |
| typename boost::range_value |
| < |
| typename geometry::interior_type<Geometry>::type |
| >::type |
| >::type |
| >::type type; |
| }; |
| |
| } // namespace detail |
| #endif // DOXYGEN_NO_DETAIL |
| |
| }} // namespace boost::geometry |
| |
| #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_INTERIOR_ITERATOR_HPP |