Chris@16: // Boost.Range library
Chris@16: //
Chris@101: //  Copyright Thorsten Ottosen, Neil Groves 2006. Use, modification and
Chris@16: //  distribution is subject to the Boost Software License, Version
Chris@16: //  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: // For more information, see http://www.boost.org/libs/range/
Chris@16: //
Chris@16: 
Chris@16: #ifndef BOOST_RANGE_ADAPTOR_COPIED_HPP
Chris@16: #define BOOST_RANGE_ADAPTOR_COPIED_HPP
Chris@16: 
Chris@16: #include <boost/range/adaptor/argument_fwd.hpp>
Chris@16: #include <boost/range/adaptor/sliced.hpp>
Chris@16: #include <boost/range/size_type.hpp>
Chris@16: #include <boost/range/iterator_range.hpp>
Chris@101: #include <boost/range/concepts.hpp>
Chris@16: 
Chris@16: namespace boost
Chris@16: {
Chris@16:     namespace adaptors
Chris@16:     {
Chris@16:         struct copied
Chris@16:         {
Chris@16:             copied(std::size_t t_, std::size_t u_)
Chris@16:                 : t(t_), u(u_) {}
Chris@16: 
Chris@16:             std::size_t t;
Chris@16:             std::size_t u;
Chris@16:         };
Chris@16: 
Chris@101:         template<class CopyableRandomAccessRange>
Chris@101:         inline CopyableRandomAccessRange
Chris@101:         operator|(const CopyableRandomAccessRange& r, const copied& f)
Chris@16:         {
Chris@101:             BOOST_RANGE_CONCEPT_ASSERT((
Chris@101:                 RandomAccessRangeConcept<const CopyableRandomAccessRange>));
Chris@101: 
Chris@16:             iterator_range<
Chris@101:                 BOOST_DEDUCED_TYPENAME range_iterator<
Chris@101:                     const CopyableRandomAccessRange
Chris@101:                 >::type
Chris@101:             > temp(adaptors::slice(r, f.t, f.u));
Chris@101: 
Chris@101:             return CopyableRandomAccessRange(temp.begin(), temp.end());
Chris@16:         }
Chris@16: 
Chris@16:         template<class CopyableRandomAccessRange>
Chris@16:         inline CopyableRandomAccessRange
Chris@16:         copy(const CopyableRandomAccessRange& rng, std::size_t t, std::size_t u)
Chris@16:         {
Chris@101:             BOOST_RANGE_CONCEPT_ASSERT((
Chris@101:                 RandomAccessRangeConcept<const CopyableRandomAccessRange>));
Chris@101: 
Chris@16:             iterator_range<
Chris@101:                 BOOST_DEDUCED_TYPENAME range_iterator<
Chris@101:                     const CopyableRandomAccessRange
Chris@101:                 >::type
Chris@101:             > temp(adaptors::slice(rng, t, u));
Chris@16: 
Chris@16:             return CopyableRandomAccessRange( temp.begin(), temp.end() );
Chris@16:         }
Chris@16:     } // 'adaptors'
Chris@16: 
Chris@16: }
Chris@16: 
Chris@101: #endif // include guard