Sprout/sprout/compost/formats/effected_right.hpp
2012-12-17 23:10:23 +09:00

71 lines
2.2 KiB
C++

#ifndef SPROUT_COMPOST_FORMATS_EFFECTED_RIGHT_HPP
#define SPROUT_COMPOST_FORMATS_EFFECTED_RIGHT_HPP
#include <sprout/config.hpp>
#include <sprout/utility/lvalue_forward.hpp>
#include <sprout/compost/formats/left_channel.hpp>
#include <sprout/compost/formats/right_channel.hpp>
#include <sprout/compost/formats/stereo.hpp>
namespace sprout {
namespace compost {
namespace formats {
//
// effect_right_holder
//
template<typename Adaptor>
class effect_right_holder {
public:
typedef Adaptor adaptor_type;
private:
adaptor_type adaptor_;
public:
explicit SPROUT_CONSTEXPR effect_right_holder(adaptor_type const& adaptor)
: adaptor_(adaptor)
{}
SPROUT_CONSTEXPR adaptor_type const& adaptor() const {
return adaptor_;
}
};
//
// effected_right_cannel_forwarder
//
class effected_right_cannel_forwarder {
public:
template<typename Adaptor>
SPROUT_CONSTEXPR sprout::compost::formats::effect_right_holder<Adaptor>
operator()(Adaptor const& adaptor) {
return sprout::compost::formats::effect_right_holder<Adaptor>(adaptor);
}
};
//
// effected_right_cannel
//
namespace {
SPROUT_STATIC_CONSTEXPR sprout::compost::formats::effected_right_cannel_forwarder effected_right_cannel = {};
} // anonymous-namespace
//
// operator|
//
template<typename Range, typename Adaptor>
inline SPROUT_CONSTEXPR auto
operator|(Range&& lhs, sprout::compost::formats::effect_right_holder<Adaptor> const& rhs)
-> decltype(
sprout::lvalue_forward<Range>(lhs) | sprout::compost::formats::left_channel
| sprout::compost::formats::stereo(sprout::lvalue_forward<Range>(lhs) | sprout::compost::formats::right_channel | rhs.adaptor())
)
{
return sprout::lvalue_forward<Range>(lhs) | sprout::compost::formats::left_channel
| sprout::compost::formats::stereo(sprout::lvalue_forward<Range>(lhs) | sprout::compost::formats::right_channel | rhs.adaptor())
;
}
} // namespace formats
using sprout::compost::formats::effected_right_cannel;
} // namespace compost
} // namespace sprout
#endif // #ifndef SPROUT_COMPOST_FORMATS_EFFECTED_RIGHT_HPP