Sprout/sprout/algorithm/fixed/partition_copy.hpp
2019-01-07 17:47:17 +09:00

74 lines
3.2 KiB
C++

/*=============================================================================
Copyright (c) 2011-2019 Bolero MURAKAMI
https://github.com/bolero-MURAKAMI/Sprout
Distributed under 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)
=============================================================================*/
#ifndef SPROUT_ALGORITHM_FIXED_PARTITION_COPY_HPP
#define SPROUT_ALGORITHM_FIXED_PARTITION_COPY_HPP
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/container/traits.hpp>
#include <sprout/container/functions.hpp>
#include <sprout/iterator/operation.hpp>
#include <sprout/algorithm/fixed/results.hpp>
#include <sprout/pit/pit.hpp>
#include <sprout/detail/container_complate.hpp>
namespace sprout {
namespace fixed {
namespace detail {
template<typename InputIterator, typename Result, typename Predicate, typename... Args>
inline SPROUT_CONSTEXPR typename std::enable_if<
sprout::container_traits<Result>::static_size == sizeof...(Args),
typename sprout::fixed::results::algorithm<Result>::type
>::type
partition_copy_impl(
InputIterator const&, InputIterator const&, Result const& result, Predicate,
typename sprout::container_traits<Result>::size_type,
Args const&... args
)
{
return sprout::remake<Result>(result, sprout::size(result), args...);
}
template<typename InputIterator, typename Result, typename Predicate, typename... Args>
inline SPROUT_CONSTEXPR typename std::enable_if<
sprout::container_traits<Result>::static_size != sizeof...(Args),
typename sprout::fixed::results::algorithm<Result>::type
>::type
partition_copy_impl(
InputIterator const& first, InputIterator const& last, Result const& result, Predicate pred,
typename sprout::container_traits<Result>::size_type size,
Args const&... args
)
{
return first != last && sizeof...(Args) < size
? pred(*first)
? sprout::fixed::detail::partition_copy_impl(sprout::next(first), last, result, pred, size, *first, args...)
: sprout::fixed::detail::partition_copy_impl(sprout::next(first), last, result, pred, size, args..., *first)
: sprout::detail::container_complate(result, args...)
;
}
} // namespace detail
//
// partition_copy
//
template<typename InputIterator, typename Result, typename Predicate>
inline SPROUT_CONSTEXPR typename sprout::fixed::results::algorithm<Result>::type
partition_copy(InputIterator first, InputIterator last, Result const& result, Predicate pred) {
return sprout::fixed::detail::partition_copy_impl(first, last, result, pred, sprout::size(result));
}
template<typename Result, typename InputIterator, typename Predicate>
inline SPROUT_CONSTEXPR typename sprout::fixed::results::algorithm<Result>::type
partition_copy(InputIterator first, InputIterator last, Predicate pred) {
return sprout::fixed::partition_copy(first, last, sprout::pit<Result>(), pred);
}
} // namespace fixed
using sprout::fixed::partition_copy;
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_FIXED_PARTITION_COPY_HPP