text: // Boost.Geometry (aka GGL, Generic Geometry Library)
  
  // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
  // Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
  // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
  
  // This file was modified by Oracle on 2014.
  // Modifications copyright (c) 2014 Oracle and/or its affiliates.
  
  // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
  // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
  
  // 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)
  
  // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
  
  #ifndef BOOST_GEOMETRY_VIEWS_DETAIL_NORMALIZED_VIEW_HPP
  #define BOOST_GEOMETRY_VIEWS_DETAIL_NORMALIZED_VIEW_HPP
  
  
  #include <boost/range/begin.hpp>
  #include <boost/range/end.hpp>
  #include <boost/range/iterator.hpp>
  #include <boost/mpl/if.hpp>
  #include <boost/type_traits/is_const.hpp>
  #include <boost/geometry/views/detail/range_type.hpp>
  #include <boost/geometry/views/reversible_view.hpp>
  #include <boost/geometry/views/closeable_view.hpp>
  #include <boost/geometry/util/order_as_direction.hpp>
  
  namespace boost { namespace geometry {
  
  
  #ifndef DOXYGEN_NO_DETAIL
  
  namespace detail {
  
  template <typename Geometry>
  struct normalized_view
  {
      static const bool is_const = boost::is_const<Geometry>::value;
  
      //typedef typename ring_type<Geometry>::type ring_type;
  
      typedef typename detail::range_type<Geometry>::type range_type;
  
      typedef typename
          boost::mpl::if_c
              <
                  is_const,
                  range_type const,
                  range_type
              >::type range;
  
      typedef typename
          reversible_view
              <
                  range,
                  order_as_direction
                      <
                          geometry::point_order<Geometry>::value
                      >::value
              >::type reversible_type;
  
      typedef typename
          boost::mpl::if_c
              <
                  is_const,
                  reversible_type const,
                  reversible_type
              >::type reversible;
  
      typedef typename
          closeable_view
              <
                  reversible,
                  geometry::closure<Geometry>::value
              >::type closeable_type;
  
      typedef typename
          boost::mpl::if_c
              <
                  is_const,
                  closeable_type const,
                  closeable_type
              >::type closeable;
      
      explicit inline normalized_view(range & r)
          : m_reversible(r)
          , m_closeable(m_reversible)
      {}
  
      typedef typename boost::range_iterator<closeable>::type iterator;
      typedef typename boost::range_const_iterator<closeable>::type const_iterator;
  
      inline const_iterator begin() const { return boost::begin(m_closeable); }
      inline const_iterator end() const { return boost::end(m_closeable); }
  
      inline iterator begin() { return boost::begin(m_closeable); }
      inline iterator end() { return boost::end(m_closeable); }
  
  private:
      reversible_type m_reversible;
      closeable_type m_closeable;
  };
  
  } // namespace detail
  
  #endif // DOXYGEN_NO_DETAIL
  
  
  }} // namespace boost::geometry
  
  
  #endif // BOOST_GEOMETRY_VIEWS_DETAIL_NORMALIZED_VIEW_HPP
  