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add adaptors::jointed

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bolero-MURAKAMI 2012-11-17 01:59:56 +09:00
parent f37e8a9088
commit e286c9bc6b
14 changed files with 907 additions and 28 deletions
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1
sprout/range/adaptor.hpp
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@ -12,6 +12,7 @@
#include <sprout/range/adaptor/outdirected.hpp>
#include <sprout/range/adaptor/indexed.hpp>
#include <sprout/range/adaptor/valued.hpp>
#include <sprout/range/adaptor/jointed.hpp>
#include <sprout/range/adaptor/deep_copied.hpp>
#include <sprout/range/adaptor/sized.hpp>
#include <sprout/range/adaptor/size_enumed.hpp>

146
sprout/range/adaptor/jointed.hpp Normal file
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@ -0,0 +1,146 @@
#ifndef SPROUT_RANGE_ADAPTOR_JOINTED_HPP
#define SPROUT_RANGE_ADAPTOR_JOINTED_HPP
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/pit.hpp>
#include <sprout/container/traits.hpp>
#include <sprout/container/functions.hpp>
#include <sprout/iterator/joint_iterator.hpp>
#include <sprout/range/range_container.hpp>
#include <sprout/range/algorithm/copy.hpp>
#include <sprout/type_traits/lvalue_reference.hpp>
#include <sprout/utility/forward.hpp>
#include <sprout/utility/lvalue_forward.hpp>
#include <sprout/utility/value_holder.hpp>
namespace sprout {
namespace adaptors {
//
// jointed_range
//
template<typename LRange, typename RRange>
class jointed_range
: public sprout::range::range_container<
sprout::joint_iterator<
typename sprout::container_traits<LRange>::iterator,
typename sprout::container_traits<RRange>::iterator
>
>
, public sprout::detail::container_nosy_static_size<LRange>
, public sprout::detail::container_nosy_fixed_size<LRange>
{
public:
typedef LRange range_type;
typedef RRange range2_type;
typedef sprout::range::range_container<
sprout::joint_iterator<
typename sprout::container_traits<LRange>::iterator,
typename sprout::container_traits<RRange>::iterator
>
> base_type;
typedef typename base_type::iterator iterator;
public:
jointed_range() = default;
jointed_range(jointed_range const&) = default;
SPROUT_CONSTEXPR jointed_range(range_type& range1, range2_type& range2)
: base_type(
iterator(sprout::begin(range1), sprout::end(range1), sprout::begin(range2), sprout::begin(range2)),
iterator(sprout::end(range1), sprout::end(range1), sprout::begin(range2), sprout::end(range2))
)
{}
};
//
// joint_holder
//
template<typename RRange>
class joint_holder {
public:
typedef RRange range2_type;
private:
sprout::value_holder<range2_type&> range_;
public:
joint_holder() = default;
joint_holder(joint_holder const&) = default;
explicit SPROUT_CONSTEXPR joint_holder(range2_type& range)
: range_(range)
{}
SPROUT_CONSTEXPR range2_type& range() const {
return range_;
}
};
//
// jointed_forwarder
//
class jointed_forwarder {
public:
template<typename RRange>
SPROUT_CONSTEXPR sprout::adaptors::joint_holder<
typename std::remove_reference<typename sprout::lvalue_reference<RRange>::type>::type
>
operator()(RRange&& range) {
return sprout::adaptors::joint_holder<
typename std::remove_reference<typename sprout::lvalue_reference<RRange>::type>::type
>(
sprout::lvalue_forward<RRange>(range)
);
}
};
//
// jointed
//
namespace {
SPROUT_STATIC_CONSTEXPR sprout::adaptors::jointed_forwarder jointed{};
} // anonymous-namespace
//
// operator|
//
template<typename LRange, typename RRange>
inline SPROUT_CONSTEXPR sprout::adaptors::jointed_range<
typename std::remove_reference<typename sprout::lvalue_reference<LRange>::type>::type,
RRange
>
operator|(LRange&& lhs, sprout::adaptors::joint_holder<RRange> const& rhs) {
return sprout::adaptors::jointed_range<
typename std::remove_reference<typename sprout::lvalue_reference<LRange>::type>::type,
RRange
>(
sprout::lvalue_forward<LRange>(lhs),
rhs.range()
);
}
} // namespace adaptors
//
// container_construct_traits
//
template<typename LRange, typename RRange>
struct container_construct_traits<sprout::adaptors::jointed_range<LRange, RRange> > {
public:
typedef typename sprout::container_construct_traits<LRange>::copied_type copied_type;
public:
template<typename Cont>
static SPROUT_CONSTEXPR copied_type deep_copy(Cont&& cont) {
return sprout::range::fixed::copy(sprout::forward<Cont>(cont), sprout::pit<copied_type>());
}
template<typename... Args>
static SPROUT_CONSTEXPR copied_type make(Args&&... args) {
return sprout::make<copied_type>(sprout::forward<Args>(args)...);
}
template<typename Cont, typename... Args>
static SPROUT_CONSTEXPR copied_type remake(
Cont&& cont,
typename sprout::container_traits<sprout::adaptors::jointed_range<LRange, RRange> >::difference_type size,
Args&&... args
)
{
return sprout::remake<copied_type>(sprout::forward<Cont>(cont), size, sprout::forward<Args>(args)...);
}
};
} // namespace sprout
#endif // #ifndef SPROUT_RANGE_ADAPTOR_JOINTED_HPP