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Sprout/sprout/algorithm/fixed/replace_copy_if.hpp
bolero-MURAKAMI b3bb8121e8 最初
2011-09-01 02:48:32 +00:00

62 lines
2.1 KiB
C++

#ifndef SPROUT_ALGORITHM_FIXED_REPLACE_COPY_IF_HPP
#define SPROUT_ALGORITHM_FIXED_REPLACE_COPY_IF_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 HDR_ITERATOR_SSCRISK_CEL_OR_SPROUT_DETAIL
namespace sprout {
namespace fixed {
namespace detail {
template<typename Iterator, typename Result, typename T, std::ptrdiff_t... Indexes, typename Predicate>
SPROUT_CONSTEXPR inline typename sprout::fixed_container_traits<Result>::fixed_container_type replace_copy_if_impl(
Iterator first,
Iterator last,
Result const& result,
sprout::index_tuple<Indexes...>,
Predicate pred,
T const& new_value,
typename sprout::fixed_container_traits<Result>::difference_type offset,
typename sprout::fixed_container_traits<Result>::size_type size,
typename sprout::fixed_container_traits<Result>::size_type input_size
)
{
return typename sprout::fixed_container_traits<Result>::fixed_container_type{
(Indexes >= offset && Indexes < offset + size && Indexes < offset + input_size
? pred(*(first + Indexes - offset)) ? new_value : *(first + Indexes - offset)
: *(sprout::fixed_begin(result) + Indexes)
)...
};
}
} // namespace detail
//
// replace_copy_if
//
template<typename Iterator, typename Result, typename T, typename Predicate>
SPROUT_CONSTEXPR inline typename sprout::fixed_container_traits<Result>::fixed_container_type replace_copy_if(
Iterator first,
Iterator last,
Result const& result,
Predicate pred,
T const& new_value
)
{
return sprout::fixed::detail::replace_copy_if_impl(
first,
last,
result,
typename sprout::index_range<0, sprout::fixed_container_traits<Result>::fixed_size>::type(),
pred,
new_value,
sprout::fixed_begin_offset(result),
sprout::size(result),
NS_SSCRISK_CEL_OR_SPROUT_DETAIL::distance(first, last)
);
}
} // namespace fixed
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_FIXED_REPLACE_COPY_IF_HPP