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Sprout/sprout/operation/fixed/insert.hpp
2011-10-30 17:40:35 +09:00

103 lines
3.6 KiB
C++

#ifndef SPROUT_OPERATION_FIXED_INSERT_HPP
#define SPROUT_OPERATION_FIXED_INSERT_HPP
#include <cstddef>
#include <type_traits>
#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>
#include <sprout/detail/param_at.hpp>
#include HDR_ITERATOR_SSCRISK_CEL_OR_SPROUT_DETAIL
namespace sprout {
namespace fixed {
namespace result_of {
//
// insert
//
template<typename Container, typename T, typename... Values>
struct insert {
public:
typedef typename sprout::rebind_fixed_size<
Container
>::template apply<
sprout::fixed_container_traits<Container>::fixed_size + 1 + sizeof...(Values)
>::type type;
};
} // namespace result_of
namespace detail {
template<typename Result, typename Container, typename T, typename... Values, std::ptrdiff_t... Indexes>
SPROUT_CONSTEXPR inline Result insert_impl(
Container const& cont,
sprout::index_tuple<Indexes...>,
typename sprout::fixed_container_traits<Container>::difference_type pos,
T const& v,
Values const&... values
)
{
return sprout::remake_clone<Result>(
cont,
sprout::size(cont) + 1 + sizeof...(Values),
(Indexes < sprout::fixed_container_traits<Container>::fixed_size + 1 + sizeof...(Values)
? (Indexes < pos
? *sprout::next(sprout::fixed_begin(cont), Indexes)
: Indexes < pos + 1 + sizeof...(Values)
? sprout::detail::param_at<typename sprout::fixed_container_traits<Result>::value_type>(Indexes - pos, v, values...)
: *sprout::next(sprout::fixed_begin(cont), Indexes - (1 + sizeof...(Values)))
)
: typename sprout::fixed_container_traits<Result>::value_type()
)...
);
}
} // namespace detail
//
// insert
//
template<typename Container, typename T, typename... Values>
SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::insert<Container, T, Values...>::type insert(
Container const& cont,
typename sprout::fixed_container_traits<Container>::const_iterator pos,
T const& v,
Values const&... values
)
{
return sprout::fixed::detail::insert_impl<typename sprout::fixed::result_of::insert<Container, T, Values...>::type>(
cont,
typename sprout::index_range<0, sprout::fixed_container_traits<typename sprout::fixed::result_of::insert<Container, T, Values...>::type>::fixed_size>::type(),
NS_SSCRISK_CEL_OR_SPROUT_DETAIL::distance(sprout::fixed_begin(cont), pos),
v,
values...
);
}
//
// insert
//
template<typename Container, typename T, typename... Values>
SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::insert<Container, T, Values...>::type insert(
Container const& cont,
typename sprout::fixed_container_traits<Container>::difference_type pos,
T const& v,
Values const&... values
)
{
return sprout::fixed::detail::insert_impl<typename sprout::fixed::result_of::insert<Container, T, Values...>::type>(
cont,
typename sprout::index_range<0, sprout::fixed_container_traits<typename sprout::fixed::result_of::insert<Container, T, Values...>::type>::fixed_size>::type(),
NS_SSCRISK_CEL_OR_SPROUT_DETAIL::distance(sprout::fixed_begin(cont), sprout::next(sprout::begin(cont), pos)),
v,
values...
);
}
} // namespace fixed
namespace result_of {
using sprout::fixed::result_of::insert;
} // namespace result_of
using sprout::fixed::insert;
} // namespace sprout
#endif // #ifndef SPROUT_OPERATION_FIXED_INSERT_HPP