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add algorithm copy_while, copy_until

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bolero-MURAKAMI 2012-10-13 22:11:32 +09:00
parent f53be1a3d5
commit 9b9956f810
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sprout/algorithm/fixed/copy_while.hpp Normal file
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#ifndef SPROUT_ALGORITHM_FIXED_COPY_WHILE_HPP
#define SPROUT_ALGORITHM_FIXED_COPY_WHILE_HPP
#include <iterator>
#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/result_of.hpp>
#include <sprout/algorithm/fixed/copy.hpp>
#include <sprout/detail/container_complate.hpp>
#include HDR_ALGORITHM_SSCRISK_CEL_OR_SPROUT
namespace sprout {
namespace fixed {
namespace detail {
template<typename RandomAccessIterator, typename Result, typename Predicate>
inline SPROUT_CONSTEXPR typename sprout::fixed::result_of::algorithm<Result>::type
copy_while(
RandomAccessIterator first, RandomAccessIterator last, Result const& result, Predicate pred,
std::random_access_iterator_tag*
)
{
return sprout::fixed::copy(first, NS_SSCRISK_CEL_OR_SPROUT::find_if_not(first, last, pred), result);
}
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::result_of::algorithm<Result>::type
>::type
copy_while_impl(
InputIterator first, InputIterator last, Result const& result, Predicate pred,
typename sprout::container_traits<Result>::size_type size,
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::result_of::algorithm<Result>::type
>::type
copy_while_impl(
InputIterator first, InputIterator 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::copy_while_impl(sprout::next(first), last, result, pred, size, args..., *first)
: sprout::detail::container_complate(result, args...)
;
}
template<typename InputIterator, typename Result, typename Predicate>
inline SPROUT_CONSTEXPR typename sprout::fixed::result_of::algorithm<Result>::type
copy_while(
InputIterator first, InputIterator last, Result const& result, Predicate pred,
void*
)
{
return sprout::fixed::detail::copy_while_impl(first, last, result, pred, sprout::size(result));
}
} // namespace detail
//
// copy_while
//
template<typename InputIterator, typename Result, typename Predicate>
inline SPROUT_CONSTEXPR typename sprout::fixed::result_of::algorithm<Result>::type
copy_while(InputIterator first, InputIterator last, Result const& result, Predicate pred) {
typedef typename std::iterator_traits<InputIterator>::iterator_category* category;
return sprout::fixed::detail::copy_while(first, last, result, pred, category());
}
} // namespace fixed
using sprout::fixed::copy_while;
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_FIXED_COPY_WHILE_HPP