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