Sprout/sprout/range/adaptor/to_upper.hpp
2013-04-09 19:27:06 +09:00

89 lines
2.7 KiB
C++

#ifndef SPROUT_RANGE_ADAPTOR_TO_UPPER_HPP
#define SPROUT_RANGE_ADAPTOR_TO_UPPER_HPP
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/container/traits.hpp>
#include <sprout/container/functions.hpp>
#include <sprout/iterator/transform_iterator.hpp>
#include <sprout/iterator/to_upper_iterator.hpp>
#include <sprout/range/adaptor/detail/adapted_range_default.hpp>
#include <sprout/type_traits/lvalue_reference.hpp>
#include <sprout/utility/forward.hpp>
#include <sprout/utility/lvalue_forward.hpp>
namespace sprout {
namespace adaptors {
//
// to_upper_range
//
template<typename Range>
class to_upper_range
: public sprout::adaptors::detail::adapted_range_default<
Range,
sprout::transform_iterator<
sprout::ctypes::to_upper<typename sprout::container_traits<Range>::value_type>,
typename sprout::container_traits<Range>::iterator
>
>
{
public:
typedef sprout::adaptors::detail::adapted_range_default<
Range,
sprout::transform_iterator<
sprout::ctypes::to_upper<typename sprout::container_traits<Range>::value_type>,
typename sprout::container_traits<Range>::iterator
>
> base_type;
typedef typename base_type::range_type range_type;
typedef typename base_type::iterator iterator;
typedef typename base_type::value_type value_type;
public:
to_upper_range() = default;
to_upper_range(to_upper_range const&) = default;
explicit SPROUT_CONSTEXPR to_upper_range(range_type& range)
: base_type(
iterator(sprout::begin(range), typename iterator::functor_type()),
iterator(sprout::end(range), typename iterator::functor_type())
)
{}
};
//
// to_upper_forwarder
//
class to_upper_forwarder {};
//
// to_upper
//
namespace {
SPROUT_STATIC_CONSTEXPR sprout::adaptors::to_upper_forwarder to_upper = {};
} // anonymous-namespace
//
// operator|
//
template<typename Range>
inline SPROUT_CONSTEXPR sprout::adaptors::to_upper_range<
typename std::remove_reference<typename sprout::lvalue_reference<Range>::type>::type
>
operator|(Range&& lhs, to_upper_forwarder) {
return sprout::adaptors::to_upper_range<
typename std::remove_reference<typename sprout::lvalue_reference<Range>::type>::type
>(
sprout::lvalue_forward<Range>(lhs)
);
}
} // namespace adaptors
//
// container_construct_traits
//
template<typename Range>
struct container_construct_traits<sprout::adaptors::to_upper_range<Range> >
: public sprout::container_construct_traits<typename sprout::adaptors::to_upper_range<Range>::base_type>
{};
} // namespace sprout
#endif // #ifndef SPROUT_RANGE_ADAPTOR_TO_UPPER_HPP