mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2025-07-14 15:04:09 +00:00
add some compost effects.
This commit is contained in:
bolero-MURAKAMI
parent
d01ee064e2
commit
c7e6be98bb
20 changed files with 1815 additions and 6 deletions
247
sprout/iterator/valued_iterator.hpp
Normal file
247
sprout/iterator/valued_iterator.hpp
Normal file
|
|
@ -0,0 +1,247 @@
|
|||
#ifndef SPROUT_ITERATOR_VALUED_ITERATOR_HPP
|
||||
#define SPROUT_ITERATOR_VALUED_ITERATOR_HPP
|
||||
|
||||
#include <iterator>
|
||||
#include <utility>
|
||||
#include <sprout/config.hpp>
|
||||
#include <sprout/iterator/next.hpp>
|
||||
#include <sprout/iterator/prev.hpp>
|
||||
#include <sprout/iterator/distance.hpp>
|
||||
#include <sprout/utility/swap.hpp>
|
||||
#include <sprout/utility/value_holder.hpp>
|
||||
|
||||
namespace sprout {
|
||||
//
|
||||
// valued_iterator
|
||||
//
|
||||
template<typename Iterator, typename T>
|
||||
class valued_iterator
|
||||
: public std::iterator<
|
||||
typename std::iterator_traits<Iterator>::iterator_category,
|
||||
typename std::iterator_traits<Iterator>::value_type,
|
||||
typename std::iterator_traits<Iterator>::difference_type,
|
||||
typename std::iterator_traits<Iterator>::pointer,
|
||||
typename std::iterator_traits<Iterator>::reference
|
||||
>
|
||||
{
|
||||
public:
|
||||
typedef Iterator iterator_type;
|
||||
typedef typename std::iterator_traits<iterator_type>::iterator_category iterator_category;
|
||||
typedef typename std::iterator_traits<iterator_type>::value_type value_type;
|
||||
typedef typename std::iterator_traits<iterator_type>::difference_type difference_type;
|
||||
typedef typename std::iterator_traits<iterator_type>::pointer pointer;
|
||||
typedef typename std::iterator_traits<iterator_type>::reference reference;
|
||||
typedef T content_type;
|
||||
typedef sprout::value_holder<T> holder_type;
|
||||
typedef typename holder_type::param_type param_type;
|
||||
typedef typename holder_type::mutable_or_const_reference get_type;
|
||||
protected:
|
||||
iterator_type current;
|
||||
holder_type holder;
|
||||
public:
|
||||
valued_iterator() = default;
|
||||
SPROUT_CONSTEXPR valued_iterator(valued_iterator const& other)
|
||||
: current(other.current)
|
||||
, holder(other.holder)
|
||||
{}
|
||||
explicit SPROUT_CONSTEXPR valued_iterator(iterator_type it)
|
||||
: current(it)
|
||||
, holder()
|
||||
{}
|
||||
SPROUT_CONSTEXPR valued_iterator(iterator_type it, holder_type const& r)
|
||||
: current(it)
|
||||
, holder(r)
|
||||
{}
|
||||
SPROUT_CONSTEXPR valued_iterator(iterator_type it, param_type p)
|
||||
: current(it)
|
||||
, holder(p)
|
||||
{}
|
||||
template<typename U, typename V>
|
||||
SPROUT_CONSTEXPR valued_iterator(valued_iterator<U, V> const& it)
|
||||
: current(it.base())
|
||||
, holder(it.get())
|
||||
{}
|
||||
template<typename U, typename V>
|
||||
valued_iterator& operator=(valued_iterator<U, V> const& it) {
|
||||
valued_iterator temp(it);
|
||||
temp.swap(*this);
|
||||
return *this;
|
||||
}
|
||||
SPROUT_CONSTEXPR iterator_type base() const {
|
||||
return current;
|
||||
}
|
||||
SPROUT_CONSTEXPR get_type get() const {
|
||||
return holder.get();
|
||||
}
|
||||
SPROUT_CONSTEXPR reference operator*() const {
|
||||
return *current;
|
||||
}
|
||||
SPROUT_CONSTEXPR pointer operator->() const {
|
||||
return &*current;
|
||||
}
|
||||
valued_iterator& operator++() {
|
||||
++current;
|
||||
return *this;
|
||||
}
|
||||
valued_iterator operator++(int) {
|
||||
valued_iterator result(*this);
|
||||
++current;
|
||||
return result;
|
||||
}
|
||||
valued_iterator& operator--() {
|
||||
--current;
|
||||
return *this;
|
||||
}
|
||||
valued_iterator operator--(int) {
|
||||
valued_iterator temp(*this);
|
||||
--current;
|
||||
return temp;
|
||||
}
|
||||
SPROUT_CONSTEXPR valued_iterator operator+(difference_type n) const {
|
||||
return valued_iterator(current + n, holder);
|
||||
}
|
||||
SPROUT_CONSTEXPR valued_iterator operator-(difference_type n) const {
|
||||
return valued_iterator(current - n, holder);
|
||||
}
|
||||
valued_iterator& operator+=(difference_type n) {
|
||||
valued_iterator temp(current + n, holder);
|
||||
temp.swap(*this);
|
||||
return *this;
|
||||
}
|
||||
valued_iterator& operator-=(difference_type n) {
|
||||
valued_iterator temp(current - n, holder);
|
||||
temp.swap(*this);
|
||||
return *this;
|
||||
}
|
||||
SPROUT_CONSTEXPR reference operator[](difference_type n) const {
|
||||
return *(current + n);
|
||||
}
|
||||
SPROUT_CONSTEXPR valued_iterator next() const {
|
||||
return valued_iterator(sprout::next(current), holder);
|
||||
}
|
||||
SPROUT_CONSTEXPR valued_iterator prev() const {
|
||||
return valued_iterator(sprout::prev(current), holder);
|
||||
}
|
||||
void swap(valued_iterator& other)
|
||||
SPROUT_NOEXCEPT_EXPR(
|
||||
SPROUT_NOEXCEPT_EXPR(swap(current, other.current))
|
||||
&& SPROUT_NOEXCEPT_EXPR(swap(holder, other.holder))
|
||||
)
|
||||
{
|
||||
swap(current, other.current);
|
||||
swap(holder, other.holder);
|
||||
}
|
||||
};
|
||||
|
||||
template<typename Iterator1, typename T1, typename Iterator2, typename T2>
|
||||
inline SPROUT_CONSTEXPR bool
|
||||
operator==(sprout::valued_iterator<Iterator1, T1> const& lhs, sprout::valued_iterator<Iterator2, T2> const& rhs) {
|
||||
return lhs.base() == rhs.base();
|
||||
}
|
||||
template<typename Iterator1, typename T1, typename Iterator2, typename T2>
|
||||
inline SPROUT_CONSTEXPR bool
|
||||
operator!=(sprout::valued_iterator<Iterator1, T1> const& lhs, sprout::valued_iterator<Iterator2, T2> const& rhs) {
|
||||
return !(lhs == rhs);
|
||||
}
|
||||
template<typename Iterator1, typename T1, typename Iterator2, typename T2>
|
||||
inline SPROUT_CONSTEXPR bool
|
||||
operator<(sprout::valued_iterator<Iterator1, T1> const& lhs, sprout::valued_iterator<Iterator2, T2> const& rhs) {
|
||||
return lhs.base() < rhs.base();
|
||||
}
|
||||
template<typename Iterator1, typename T1, typename Iterator2, typename T2>
|
||||
inline SPROUT_CONSTEXPR bool
|
||||
operator>(sprout::valued_iterator<Iterator1, T1> const& lhs, sprout::valued_iterator<Iterator2, T2> const& rhs) {
|
||||
return rhs < lhs;
|
||||
}
|
||||
template<typename Iterator1, typename T1, typename Iterator2, typename T2>
|
||||
inline SPROUT_CONSTEXPR bool
|
||||
operator<=(sprout::valued_iterator<Iterator1, T1> const& lhs, sprout::valued_iterator<Iterator2, T2> const& rhs) {
|
||||
return !(rhs < lhs);
|
||||
}
|
||||
template<typename Iterator1, typename T1, typename Iterator2, typename T2>
|
||||
inline SPROUT_CONSTEXPR bool
|
||||
operator>=(sprout::valued_iterator<Iterator1, T1> const& lhs, sprout::valued_iterator<Iterator2, T2> const& rhs) {
|
||||
return !(lhs < rhs);
|
||||
}
|
||||
template<typename Iterator1, typename T1, typename Iterator2, typename T2>
|
||||
inline SPROUT_CONSTEXPR decltype(std::declval<Iterator1, T1>() - std::declval<Iterator2, T2>())
|
||||
operator-(sprout::valued_iterator<Iterator1, T1> const& lhs, sprout::valued_iterator<Iterator2, T2> const& rhs) {
|
||||
return lhs.base() - rhs.base();
|
||||
}
|
||||
template<typename Iterator, typename T>
|
||||
inline SPROUT_CONSTEXPR sprout::valued_iterator<Iterator, T>
|
||||
operator+(
|
||||
typename sprout::valued_iterator<Iterator, T>::difference_type n,
|
||||
sprout::valued_iterator<Iterator, T> const& it
|
||||
)
|
||||
{
|
||||
return it + n;
|
||||
}
|
||||
|
||||
//
|
||||
// make_valued_iterator
|
||||
//
|
||||
template<typename Iterator, typename T>
|
||||
inline SPROUT_CONSTEXPR sprout::valued_iterator<Iterator, T>
|
||||
make_valued_iterator(Iterator it, T const& param) {
|
||||
return sprout::valued_iterator<Iterator, T>(it, param);
|
||||
}
|
||||
|
||||
//
|
||||
// swap
|
||||
//
|
||||
template<typename Iterator, typename T>
|
||||
inline void
|
||||
swap(sprout::valued_iterator<Iterator, T>& lhs, sprout::valued_iterator<Iterator, T>& rhs)
|
||||
SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(lhs.swap(rhs)))
|
||||
{
|
||||
lhs.swap(rhs);
|
||||
}
|
||||
|
||||
//
|
||||
// iterator_distance
|
||||
//
|
||||
template<typename Iterator, typename T>
|
||||
inline SPROUT_CONSTEXPR typename std::iterator_traits<sprout::valued_iterator<Iterator, T> >::difference_type
|
||||
iterator_distance(sprout::valued_iterator<Iterator, T> first, sprout::valued_iterator<Iterator, T> last) {
|
||||
return last - first;
|
||||
}
|
||||
|
||||
//
|
||||
// iterator_next
|
||||
//
|
||||
template<typename Iterator, typename T>
|
||||
inline SPROUT_CONSTEXPR sprout::valued_iterator<Iterator, T>
|
||||
iterator_next(sprout::valued_iterator<Iterator, T> const& it) {
|
||||
return it.next();
|
||||
}
|
||||
template<typename Iterator, typename T>
|
||||
inline SPROUT_CONSTEXPR sprout::valued_iterator<Iterator, T>
|
||||
iterator_next(
|
||||
sprout::valued_iterator<Iterator, T> const& it,
|
||||
typename sprout::valued_iterator<Iterator, T>::difference_type n
|
||||
)
|
||||
{
|
||||
return it + n;
|
||||
}
|
||||
|
||||
//
|
||||
// iterator_prev
|
||||
//
|
||||
template<typename Iterator, typename T>
|
||||
inline SPROUT_CONSTEXPR sprout::valued_iterator<Iterator, T>
|
||||
iterator_prev(sprout::valued_iterator<Iterator, T> const& it) {
|
||||
return it.prev();
|
||||
}
|
||||
template<typename Iterator, typename T>
|
||||
inline SPROUT_CONSTEXPR sprout::valued_iterator<Iterator, T>
|
||||
iterator_prev(
|
||||
sprout::valued_iterator<Iterator, T> const& it,
|
||||
typename sprout::valued_iterator<Iterator, T>::difference_type n
|
||||
)
|
||||
{
|
||||
return it - n;
|
||||
}
|
||||
} // namespace sprout
|
||||
|
||||
#endif // #ifndef SPROUT_ITERATOR_VALUED_ITERATOR_HPP
|
||||
Loading…
Add table
Add a link
Reference in a new issue