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- // 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
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