Chris@16: // Boost.Geometry (aka GGL, Generic Geometry Library)
Chris@16: 
Chris@16: // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
Chris@16: // Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
Chris@16: // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
Chris@16: 
Chris@16: // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
Chris@16: // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
Chris@16: 
Chris@16: // Use, modification and distribution is subject to the Boost Software License,
Chris@16: // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: #ifndef BOOST_GEOMETRY_VIEWS_IDENTITY_VIEW_HPP
Chris@16: #define BOOST_GEOMETRY_VIEWS_IDENTITY_VIEW_HPP
Chris@16: 
Chris@16: 
Chris@16: #include <boost/range.hpp>
Chris@16: 
Chris@16: 
Chris@16: namespace boost { namespace geometry
Chris@16: {
Chris@16: 
Chris@16: // Silence warning C4512: assignment operator could not be generated
Chris@16: #if defined(_MSC_VER)
Chris@101: #pragma warning(push)
Chris@16: #pragma warning(disable : 4512)
Chris@16: #endif
Chris@16: 
Chris@16: /*!
Chris@16: \brief View on a range, not modifying anything
Chris@16: \tparam Range original range
Chris@16: \ingroup views
Chris@16: */
Chris@16: template <typename Range>
Chris@16: struct identity_view
Chris@16: {
Chris@16:     typedef typename boost::range_iterator<Range const>::type const_iterator;
Chris@16:     typedef typename boost::range_iterator<Range>::type iterator;
Chris@16: 
Chris@16:     explicit inline identity_view(Range& r)
Chris@16:         : m_range(r)
Chris@16:     {}
Chris@16: 
Chris@16:     inline const_iterator begin() const { return boost::begin(m_range); }
Chris@16:     inline const_iterator end() const { return boost::end(m_range); }
Chris@16: 
Chris@16:     inline iterator begin() { return boost::begin(m_range); }
Chris@16:     inline iterator end() { return boost::end(m_range); }
Chris@16: private :
Chris@16:     Range& m_range;
Chris@16: };
Chris@16: 
Chris@16: #if defined(_MSC_VER)
Chris@16: #pragma warning(pop)
Chris@16: #endif
Chris@16: 
Chris@16: }} // namespace boost::geometry
Chris@16: 
Chris@16: 
Chris@16: #endif // BOOST_GEOMETRY_VIEWS_IDENTITY_VIEW_HPP