ceph/src/boost/boost/geometry/views/identity_view.hpp

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2
   3 // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
   4 // Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
   5 // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
   6
   7 // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
   8 // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
   9
  10 // Use, modification and distribution is subject to the Boost Software License,
  11 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  12 // http://www.boost.org/LICENSE_1_0.txt)
  13
  14 #ifndef BOOST_GEOMETRY_VIEWS_IDENTITY_VIEW_HPP
  15 #define BOOST_GEOMETRY_VIEWS_IDENTITY_VIEW_HPP
  16
  17
  18 #include <boost/range.hpp>
  19
  20
  21 namespace boost { namespace geometry
  22 {
  23
  24 // Silence warning C4512: assignment operator could not be generated
  25 #if defined(_MSC_VER)
  26 #pragma warning(push)
  27 #pragma warning(disable : 4512)
  28 #endif
  29
  30 /*!
  31 \brief View on a range, not modifying anything
  32 \tparam Range original range
  33 \ingroup views
  34 */
  35 template <typename Range>
  36 struct identity_view
  37 {
  38     typedef typename boost::range_iterator<Range const>::type const_iterator;
  39     typedef typename boost::range_iterator<Range>::type iterator;
  40
  41     explicit inline identity_view(Range& r)
  42         : m_range(r)
  43     {}
  44
  45     inline const_iterator begin() const { return boost::begin(m_range); }
  46     inline const_iterator end() const { return boost::end(m_range); }
  47
  48     inline iterator begin() { return boost::begin(m_range); }
  49     inline iterator end() { return boost::end(m_range); }
  50 private :
  51     Range& m_range;
  52 };
  53
  54 #if defined(_MSC_VER)
  55 #pragma warning(pop)
  56 #endif
  57
  58 }} // namespace boost::geometry
  59
  60
  61 #endif // BOOST_GEOMETRY_VIEWS_IDENTITY_VIEW_HPP