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91 lines
2.8 KiB
91 lines
2.8 KiB
// Boost.Range library |
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// |
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// Copyright Neil Groves 2009. Use, modification and |
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// distribution is subject to the Boost Software License, Version |
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// 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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// |
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// |
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// For more information, see http://www.boost.org/libs/range/ |
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// |
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#ifndef BOOST_RANGE_JOIN_HPP_INCLUDED |
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#define BOOST_RANGE_JOIN_HPP_INCLUDED |
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#include <boost/config.hpp> |
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#include <boost/range/detail/join_iterator.hpp> |
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#include <boost/range/concepts.hpp> |
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#include <boost/range/iterator_range.hpp> |
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namespace boost |
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{ |
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namespace range_detail |
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{ |
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template<class SinglePassRange1, class SinglePassRange2> |
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class joined_type |
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{ |
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public: |
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typedef iterator_range< |
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range_detail::join_iterator< |
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BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange1>::type, |
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BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange2>::type, |
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BOOST_DEDUCED_TYPENAME range_value<SinglePassRange1>::type |
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> |
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> type; |
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}; |
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} // namespace range_detail |
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namespace range |
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{ |
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template<class SinglePassRange1, class SinglePassRange2> |
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class joined_range |
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: public range_detail::joined_type<SinglePassRange1, SinglePassRange2>::type |
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{ |
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typedef range_detail::join_iterator< |
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BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange1>::type, |
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BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange2>::type, |
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BOOST_DEDUCED_TYPENAME range_value<SinglePassRange1>::type |
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> iterator_t; |
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typedef BOOST_DEDUCED_TYPENAME range_detail::joined_type< |
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SinglePassRange1, SinglePassRange2>::type base_t; |
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public: |
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joined_range(SinglePassRange1& rng1, SinglePassRange2& rng2) |
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: base_t( |
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iterator_t(rng1, rng2, range_detail::join_iterator_begin_tag()), |
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iterator_t(rng1, rng2, range_detail::join_iterator_end_tag()) |
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) |
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{ |
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} |
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}; |
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template<class SinglePassRange1, class SinglePassRange2> |
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joined_range<const SinglePassRange1, const SinglePassRange2> |
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join(const SinglePassRange1& r1, const SinglePassRange2& r2) |
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{ |
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BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange1> )); |
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BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange2> )); |
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return joined_range<const SinglePassRange1, const SinglePassRange2>(r1, r2); |
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} |
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template<class SinglePassRange1, class SinglePassRange2> |
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joined_range<SinglePassRange1, SinglePassRange2> |
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join(SinglePassRange1& r1, SinglePassRange2& r2) |
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{ |
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BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange1> )); |
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BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange2> )); |
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return joined_range<SinglePassRange1, SinglePassRange2>(r1, r2); |
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} |
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} // namespace range |
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using ::boost::range::joined_range; |
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using ::boost::range::join; |
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} // namespace boost |
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#endif // include guard
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