Sprout/sprout/algorithm/fixed/remove_copy_if.hpp

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#ifndef SPROUT_ALGORITHM_FIXED_REMOVE_COPY_IF_HPP
#define SPROUT_ALGORITHM_FIXED_REMOVE_COPY_IF_HPP
#include <cstddef>
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#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/fixed_container/traits.hpp>
#include <sprout/fixed_container/functions.hpp>
#include <sprout/iterator/operation.hpp>
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#include <sprout/algorithm/fixed/result_of.hpp>
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namespace sprout {
namespace fixed {
namespace detail {
template<typename Result, typename... Args>
SPROUT_CONSTEXPR inline typename std::enable_if<
sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args),
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typename sprout::fixed::result_of::algorithm<Result>::type
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>::type remove_copy_if_impl_3(
Result const& result,
Args const&... args
)
{
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return sprout::remake_clone<Result, Result>(result, sprout::size(result), args...);
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}
template<typename Result, typename... Args>
SPROUT_CONSTEXPR inline typename std::enable_if<
sprout::fixed_container_traits<Result>::fixed_size != sizeof...(Args),
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typename sprout::fixed::result_of::algorithm<Result>::type
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>::type remove_copy_if_impl_3(
Result const& result,
Args const&... args
)
{
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return remove_copy_if_impl_3(result, args..., *sprout::next(sprout::fixed_begin(result), sizeof...(Args)));
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}
template<typename InputIterator, typename Result, typename Predicate, typename... Args>
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SPROUT_CONSTEXPR inline typename std::enable_if<
sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args),
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typename sprout::fixed::result_of::algorithm<Result>::type
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>::type remove_copy_if_impl_2(
InputIterator first,
InputIterator last,
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Result const& result,
Predicate pred,
typename sprout::fixed_container_traits<Result>::difference_type offset,
Args const&... args
)
{
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return sprout::remake_clone<Result, Result>(result, sprout::size(result), args...);
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}
template<typename InputIterator, typename Result, typename Predicate, typename... Args>
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SPROUT_CONSTEXPR inline typename std::enable_if<
sprout::fixed_container_traits<Result>::fixed_size != sizeof...(Args),
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typename sprout::fixed::result_of::algorithm<Result>::type
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>::type remove_copy_if_impl_2(
InputIterator first,
InputIterator last,
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Result const& result,
Predicate pred,
typename sprout::fixed_container_traits<Result>::difference_type offset,
Args const&... args
)
{
return first != last && sizeof...(Args) < static_cast<std::size_t>(offset)
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? pred(*first)
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? remove_copy_if_impl_2(sprout::next(first), last, result, pred, offset, args...)
: remove_copy_if_impl_2(sprout::next(first), last, result, pred, offset, args..., *first)
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: remove_copy_if_impl_3(result, args...)
;
}
template<typename InputIterator, typename Result, typename Predicate, typename... Args>
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SPROUT_CONSTEXPR inline typename std::enable_if<
sprout::fixed_container_traits<Result>::fixed_size == sizeof...(Args),
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typename sprout::fixed::result_of::algorithm<Result>::type
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>::type remove_copy_if_impl_1(
InputIterator first,
InputIterator last,
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Result const& result,
Predicate pred,
typename sprout::fixed_container_traits<Result>::difference_type offset,
Args const&... args
)
{
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return sprout::remake_clone<Result, Result>(result, sprout::size(result), args...);
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}
template<typename InputIterator, typename Result, typename Predicate, typename... Args>
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SPROUT_CONSTEXPR inline typename std::enable_if<
sprout::fixed_container_traits<Result>::fixed_size != sizeof...(Args),
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typename sprout::fixed::result_of::algorithm<Result>::type
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>::type remove_copy_if_impl_1(
InputIterator first,
InputIterator last,
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Result const& result,
Predicate pred,
typename sprout::fixed_container_traits<Result>::difference_type offset,
Args const&... args
)
{
return sizeof...(Args) < static_cast<std::size_t>(offset)
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? remove_copy_if_impl_1(first, last, result, pred, offset, args..., *sprout::next(sprout::fixed_begin(result), sizeof...(Args)))
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: remove_copy_if_impl_2(first, last, result, pred, offset + sprout::size(result), args...)
;
}
template<typename InputIterator, typename Result, typename Predicate>
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SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type remove_copy_if_impl(
InputIterator first,
InputIterator last,
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Result const& result,
Predicate pred
)
{
return remove_copy_if_impl_1(first, last, result, pred, sprout::fixed_begin_offset(result));
}
} // namespace detail
//
// remove_copy_if
//
template<typename InputIterator, typename Result, typename Predicate>
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SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::algorithm<Result>::type remove_copy_if(
InputIterator first,
InputIterator last,
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Result const& result,
Predicate pred
)
{
return sprout::fixed::detail::remove_copy_if_impl(first, last, result, pred);
}
} // namespace fixed
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using sprout::fixed::remove_copy_if;
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} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_FIXED_REMOVE_COPY_IF_HPP