92 lines
2.8 KiB
C++
92 lines
2.8 KiB
C++
// Boost.Range library
|
|
//
|
|
// Copyright Neil Groves 2009. Use, modification and
|
|
// distribution is subject to the Boost Software License, Version
|
|
// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
|
|
// http://www.boost.org/LICENSE_1_0.txt)
|
|
//
|
|
//
|
|
// For more information, see http://www.boost.org/libs/range/
|
|
//
|
|
#ifndef BOOST_RANGE_JOIN_HPP_INCLUDED
|
|
#define BOOST_RANGE_JOIN_HPP_INCLUDED
|
|
|
|
#include <boost/config.hpp>
|
|
#include <boost/range/detail/join_iterator.hpp>
|
|
#include <boost/range/concepts.hpp>
|
|
#include <boost/range/iterator_range.hpp>
|
|
|
|
namespace boost
|
|
{
|
|
namespace range_detail
|
|
{
|
|
|
|
template<class SinglePassRange1, class SinglePassRange2>
|
|
class joined_type
|
|
{
|
|
public:
|
|
typedef iterator_range<
|
|
range_detail::join_iterator<
|
|
BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange1>::type,
|
|
BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange2>::type,
|
|
BOOST_DEDUCED_TYPENAME range_value<SinglePassRange1>::type
|
|
>
|
|
> type;
|
|
};
|
|
|
|
} // namespace range_detail
|
|
|
|
namespace range
|
|
{
|
|
|
|
template<class SinglePassRange1, class SinglePassRange2>
|
|
class joined_range
|
|
: public range_detail::joined_type<SinglePassRange1, SinglePassRange2>::type
|
|
{
|
|
typedef range_detail::join_iterator<
|
|
BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange1>::type,
|
|
BOOST_DEDUCED_TYPENAME range_iterator<SinglePassRange2>::type,
|
|
BOOST_DEDUCED_TYPENAME range_value<SinglePassRange1>::type
|
|
> iterator_t;
|
|
|
|
typedef BOOST_DEDUCED_TYPENAME range_detail::joined_type<
|
|
SinglePassRange1, SinglePassRange2>::type base_t;
|
|
public:
|
|
joined_range(SinglePassRange1& rng1, SinglePassRange2& rng2)
|
|
: base_t(
|
|
iterator_t(rng1, rng2, range_detail::join_iterator_begin_tag()),
|
|
iterator_t(rng1, rng2, range_detail::join_iterator_end_tag())
|
|
)
|
|
{
|
|
}
|
|
};
|
|
|
|
template<class SinglePassRange1, class SinglePassRange2>
|
|
joined_range<const SinglePassRange1, const SinglePassRange2>
|
|
join(const SinglePassRange1& r1, const SinglePassRange2& r2)
|
|
{
|
|
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange1> ));
|
|
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange2> ));
|
|
|
|
return joined_range<const SinglePassRange1, const SinglePassRange2>(r1, r2);
|
|
}
|
|
|
|
template<class SinglePassRange1, class SinglePassRange2>
|
|
joined_range<SinglePassRange1, SinglePassRange2>
|
|
join(SinglePassRange1& r1, SinglePassRange2& r2)
|
|
{
|
|
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange1> ));
|
|
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange2> ));
|
|
|
|
return joined_range<SinglePassRange1, SinglePassRange2>(r1, r2);
|
|
}
|
|
|
|
} // namespace range
|
|
|
|
using ::boost::range::joined_range;
|
|
using ::boost::range::join;
|
|
|
|
} // namespace boost
|
|
|
|
#endif // include guard
|