mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-11-14 10:39:05 +00:00
106 lines
3.2 KiB
C++
106 lines
3.2 KiB
C++
#ifndef SPROUT_RANGE_ADAPTOR_REVERSED_HPP
|
|
#define SPROUT_RANGE_ADAPTOR_REVERSED_HPP
|
|
|
|
#include <type_traits>
|
|
#include <sprout/config.hpp>
|
|
#include <sprout/pit.hpp>
|
|
#include <sprout/container/traits.hpp>
|
|
#include <sprout/container/functions.hpp>
|
|
#include <sprout/iterator/reverse_iterator.hpp>
|
|
#include <sprout/range/range_container.hpp>
|
|
#include <sprout/range/algorithm/copy.hpp>
|
|
#include <sprout/type_traits/lvalue_reference.hpp>
|
|
#include <sprout/utility/forward.hpp>
|
|
#include <sprout/utility/lvalue_forward.hpp>
|
|
|
|
namespace sprout {
|
|
namespace adaptors {
|
|
//
|
|
// reversed_range
|
|
//
|
|
template<typename Range>
|
|
class reversed_range
|
|
: public sprout::range::range_container<
|
|
sprout::reverse_iterator<
|
|
typename sprout::container_traits<Range>::iterator
|
|
>
|
|
>
|
|
, public sprout::detail::container_nosy_static_size<Range>
|
|
, public sprout::detail::container_nosy_fixed_size<Range>
|
|
{
|
|
public:
|
|
typedef Range range_type;
|
|
typedef sprout::range::range_container<
|
|
sprout::reverse_iterator<
|
|
typename sprout::container_traits<Range>::iterator
|
|
>
|
|
> base_type;
|
|
typedef typename base_type::iterator iterator;
|
|
public:
|
|
reversed_range() = default;
|
|
reversed_range(reversed_range const&) = default;
|
|
explicit SPROUT_CONSTEXPR reversed_range(range_type& range)
|
|
: base_type(
|
|
iterator(sprout::end(range)),
|
|
iterator(sprout::begin(range))
|
|
)
|
|
{}
|
|
};
|
|
|
|
//
|
|
// reversed_forwarder
|
|
//
|
|
class reversed_forwarder {};
|
|
|
|
//
|
|
// reversed
|
|
//
|
|
namespace {
|
|
SPROUT_STATIC_CONSTEXPR sprout::adaptors::reversed_forwarder reversed{};
|
|
} // anonymous-namespace
|
|
|
|
//
|
|
// operator|
|
|
//
|
|
template<typename Range>
|
|
inline SPROUT_CONSTEXPR sprout::adaptors::reversed_range<
|
|
typename std::remove_reference<typename sprout::lvalue_reference<Range>::type>::type
|
|
>
|
|
operator|(Range&& lhs, sprout::adaptors::reversed_forwarder) {
|
|
return sprout::adaptors::reversed_range<
|
|
typename std::remove_reference<typename sprout::lvalue_reference<Range>::type>::type
|
|
>(
|
|
sprout::lvalue_forward<Range>(lhs)
|
|
);
|
|
}
|
|
} // namespace adaptors
|
|
|
|
//
|
|
// container_construct_traits
|
|
//
|
|
template<typename Range>
|
|
struct container_construct_traits<sprout::adaptors::reversed_range<Range> > {
|
|
public:
|
|
typedef typename sprout::container_construct_traits<Range>::copied_type copied_type;
|
|
public:
|
|
template<typename Cont>
|
|
static SPROUT_CONSTEXPR copied_type deep_copy(Cont&& cont) {
|
|
return sprout::range::fixed::copy(sprout::forward<Cont>(cont), sprout::pit<copied_type>());
|
|
}
|
|
template<typename... Args>
|
|
static SPROUT_CONSTEXPR copied_type make(Args&&... args) {
|
|
return sprout::make<copied_type>(sprout::forward<Args>(args)...);
|
|
}
|
|
template<typename Cont, typename... Args>
|
|
static SPROUT_CONSTEXPR copied_type remake(
|
|
Cont&& cont,
|
|
typename sprout::container_traits<sprout::adaptors::reversed_range<Range> >::difference_type size,
|
|
Args&&... args
|
|
)
|
|
{
|
|
return sprout::remake<copied_type>(sprout::forward<Cont>(cont), size, sprout::forward<Args>(args)...);
|
|
}
|
|
};
|
|
} // namespace sprout
|
|
|
|
#endif // #ifndef SPROUT_RANGE_ADAPTOR_REVERSED_HPP
|