mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-12-25 21:35:41 +00:00
97 lines
2.8 KiB
C++
97 lines
2.8 KiB
C++
#ifndef SPROUT_OPERATION_FIXED_REALIGN_HPP
|
|
#define SPROUT_OPERATION_FIXED_REALIGN_HPP
|
|
|
|
#include <cstddef>
|
|
#include <sprout/config.hpp>
|
|
#include <sprout/index_tuple.hpp>
|
|
#include <sprout/fixed_container/traits.hpp>
|
|
#include <sprout/fixed_container/functions.hpp>
|
|
#include <sprout/iterator/operation.hpp>
|
|
|
|
namespace sprout {
|
|
namespace fixed {
|
|
namespace result_of {
|
|
//
|
|
// realign
|
|
//
|
|
template<typename Container>
|
|
struct realign {
|
|
public:
|
|
typedef Container type;
|
|
};
|
|
} // namespace result_of
|
|
|
|
namespace detail {
|
|
template<typename Result, typename Container, typename T, std::ptrdiff_t... Indexes>
|
|
SPROUT_CONSTEXPR inline Result realign_impl(
|
|
Container const& cont,
|
|
sprout::index_tuple<Indexes...>,
|
|
typename sprout::fixed_container_traits<Result>::difference_type size,
|
|
T const& v
|
|
)
|
|
{
|
|
return sprout::make_clone<Result>(
|
|
(Indexes < size
|
|
? *sprout::next(sprout::begin(cont), Indexes)
|
|
: v
|
|
)...
|
|
);
|
|
}
|
|
} // namespace detail
|
|
//
|
|
// realign
|
|
//
|
|
template<typename Container, typename T>
|
|
SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::realign<Container>::type realign(
|
|
Container const& cont,
|
|
T const& v
|
|
)
|
|
{
|
|
return sprout::fixed::detail::realign_impl<typename sprout::fixed::result_of::realign<Container>::type>(
|
|
cont,
|
|
typename sprout::index_range<0, sprout::fixed_container_traits<typename sprout::fixed::result_of::realign<Container>::type>::fixed_size>::type(),
|
|
sprout::size(cont),
|
|
v
|
|
);
|
|
}
|
|
|
|
namespace detail {
|
|
template<typename Result, typename Container, std::ptrdiff_t... Indexes>
|
|
SPROUT_CONSTEXPR inline Result realign_impl(
|
|
Container const& cont,
|
|
sprout::index_tuple<Indexes...>,
|
|
typename sprout::fixed_container_traits<Result>::difference_type size
|
|
)
|
|
{
|
|
return sprout::make_clone<Result>(
|
|
(Indexes < size
|
|
? *sprout::next(sprout::begin(cont), Indexes)
|
|
: typename sprout::fixed_container_traits<Result>::value_type()
|
|
)...
|
|
);
|
|
}
|
|
} // namespace detail
|
|
//
|
|
// realign
|
|
//
|
|
template<typename Container>
|
|
SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::realign<Container>::type realign(
|
|
Container const& cont
|
|
)
|
|
{
|
|
return sprout::fixed::detail::realign_impl<typename sprout::fixed::result_of::realign<Container>::type>(
|
|
cont,
|
|
typename sprout::index_range<0, sprout::fixed_container_traits<typename sprout::fixed::result_of::realign<Container>::type>::fixed_size>::type(),
|
|
sprout::size(cont)
|
|
);
|
|
}
|
|
} // namespace fixed
|
|
|
|
namespace result_of {
|
|
using sprout::fixed::result_of::realign;
|
|
} // namespace result_of
|
|
|
|
using sprout::fixed::realign;
|
|
} // namespace sprout
|
|
|
|
#endif // #ifndef SPROUT_OPERATION_FIXED_REALIGN_HPP
|