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mapIte.hpp
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mapIte.hpp
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* mapIte.hpp :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: mli <mli@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/02/26 15:47:56 by mli #+# #+# */
/* Updated: 2021/02/28 15:53:53 by mli ### ########.fr */
/* */
/* ************************************************************************** */
#ifndef MAP_ITE_CLASS_HPP
# define MAP_ITE_CLASS_HPP
# include "base.hpp"
namespace ft {
template <typename T, typename node_type>
class mapIte {
protected:
node_type *_node;
mapIte(node_type *src);
public:
typedef T value_type;
typedef ptrdiff_t difference_type;
typedef value_type& reference;
typedef value_type* pointer;
mapIte(void);
mapIte(const mapIte &src);
virtual ~mapIte(void);
mapIte &operator=(mapIte const &rhs);
template <class U> bool operator==(const mapIte<U, node_type> &rhs) const;
template <class U> bool operator!=(const mapIte<U, node_type> &rhs) const;
mapIte &operator++(void);
mapIte operator++(int);
mapIte &operator--(void);
mapIte operator--(int);
reference operator*(void) const;
pointer operator->(void) const;
operator mapIte<const T, node_type>(void) const {
return mapIte<const T, node_type>(this->_node);
}
template <class, class, class, class>
friend class map;
template <class, class>
friend class mapIte;
}; // ****************************************************** class mapIte end //
template <typename T, typename node_type>
mapIte<T, node_type>::mapIte(void) : _node(NULL) { return ; }
template <typename T, typename node_type>
mapIte<T, node_type>::mapIte(node_type *src) { this->_node = src; }
template <typename T, typename node_type>
mapIte<T, node_type>::mapIte(const mapIte &src) { *this = src; }
template <typename T, typename node_type>
mapIte<T, node_type>::~mapIte(void) { return ; }
template <typename T, typename node_type>
mapIte<T, node_type> &mapIte<T, node_type>::operator=(const mapIte &rhs) {
if (this == &rhs)
return (*this);
this->_node = rhs._node;
return (*this);
}
template <typename T, typename node_type> template <class U>
bool mapIte<T, node_type>::operator==(const mapIte<U, node_type> &rhs) const {
return (this->_node == rhs._node);
}
template <typename T, typename node_type> template <class U>
bool mapIte<T, node_type>::operator!=(const mapIte<U, node_type> &rhs) const {
return (this->_node != rhs._node);
}
template <typename T, typename node_type>
mapIte<T, node_type> &mapIte<T, node_type>::operator++(void) {
if (this->_node->right != NULL)
this->_node = farLeft(this->_node->right);
else
{
node_type *child = this->_node;
this->_node = this->_node->parent;
while (this->_node && child == this->_node->right)
{
child = this->_node;
this->_node = this->_node->parent;
}
}
return (*this);
}
template <typename T, typename node_type>
mapIte<T, node_type> mapIte<T, node_type>::operator++(int) {
mapIte tmp(*this);
++(*this);
return (tmp);
}
template <typename T, typename node_type>
mapIte<T, node_type>& mapIte<T, node_type>::operator--(void) {
if (this->_node->left != NULL)
this->_node = farRight(this->_node->left);
else
{
node_type *child = this->_node;
this->_node = this->_node->parent;
while (this->_node && child == this->_node->left)
{
child = this->_node;
this->_node = this->_node->parent;
}
}
return (*this);
}
template <typename T, typename node_type>
mapIte<T, node_type> mapIte<T, node_type>::operator--(int) {
mapIte tmp(*this);
--(*this);
return (tmp);
}
template <typename T, typename node_type>
typename mapIte<T, node_type>::reference mapIte<T, node_type>::operator*(void) const {
return (this->_node->data);
}
template <typename T, typename node_type>
typename mapIte<T, node_type>::pointer mapIte<T, node_type>::operator->(void) const {
return &this->operator*();
}
} // ******************************************************* ft namespace end //
#endif // ********************************************* MAP_ITE_CLASS_HPP end //