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map.hpp
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* map.hpp :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: mannouao <mannouao@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2022/07/18 11:26:09 by mannouao #+# #+# */
/* Updated: 2022/07/29 16:32:42 by mannouao ### ########.fr */
/* */
/* ************************************************************************** */
# ifndef MAP_HPP
# define MAP_HPP
# include "__tree.hpp"
# include "utility.hpp"
# include "algorithm.hpp"
# include "vector.hpp"
# include <memory>
namespace ft
{
// __map_comp ---------------------------------------------------------------------------------------------------------------
template<class _key_comp, class value_type, class key_type>
class __map_comp
{
private:
_key_comp key_comp;
public:
__map_comp(const _key_comp& key) : key_comp(key) {}
_key_comp get_comp() const { return key_comp; }
bool operator () (const value_type& __x, const value_type& __y) const
{ return key_comp(__x.first, __y.first); }
bool operator () (const key_type& __x, const key_type& __y) const
{ return key_comp(__x, __y); }
bool operator () (const key_type& __x, const value_type& __y) const
{ return key_comp(__x, __y.first); }
bool operator () (const value_type& __x, const key_type& __y) const
{ return key_comp(__x.first, __y); }
};
// --------------------------------------------------------------------------------------------------------------------------
// map ----------------------------------------------------------------------------------------------------------------------
template<class _Key, class _Tp, class _Compare = std::less<_Key>,
class _Allocator = std::allocator<ft::pair<const _Key, _Tp> > >
class map
{
public:
typedef _Key key_type;
typedef _Tp mapped_type;
typedef ft::pair<const key_type, mapped_type> value_type;
typedef _Compare key_compare;
typedef _Allocator allocator_type;
class value_compare
: public std::binary_function<value_type, value_type, bool>
{
friend class map;
protected:
key_compare comp;
value_compare(key_compare c) : comp(c) {}
public:
bool operator () (const value_type& __x, const value_type& __y) const
{ return comp(__x.first, __y.first); }
};
private:
typedef ft::__map_comp<key_compare, value_type, key_type> map_comp;
typedef ft::tree<key_type, value_type, map_comp, allocator_type> tree_type;
tree_type __tree_;
public:
typedef typename tree_type::reference reference;
typedef typename tree_type::const_reference const_reference;
typedef typename tree_type::pointer pointer;
typedef typename tree_type::const_pointer const_pointer;
typedef typename tree_type::difference_type difference_type;
typedef typename tree_type::size_type size_type;
typedef typename tree_type::iterator iterator;
typedef typename tree_type::const_iterator const_iterator;
typedef ft::reverse_iterator<iterator> reverse_iterator;
typedef ft::reverse_iterator<const_iterator> const_reverse_iterator;
explicit map (const key_compare& comp = key_compare(), const allocator_type& alloc = allocator_type())
: __tree_(comp, alloc)
{}
template<class _Iter>
map(_Iter first, _Iter secend, const key_compare& comp = key_compare(), const allocator_type& alloc = allocator_type())
: __tree_(comp, alloc)
{ insert(first, secend); }
map(const map& __x) : __tree_(__x.__tree_)
{ insert(__x.begin(), __x.end()); }
~map() {};
map& operator = (const map& __x)
{
if (this != &__x)
{
__tree_.clear();
__tree_.value_comp() = __x.__tree_.value_comp();
insert(__x.begin(), __x.end());
}
return *this;
}
iterator begin() { return __tree_.begin(); }
const_iterator begin() const { return __tree_.begin(); }
iterator end() { return __tree_.end(); }
const_iterator end() const { return __tree_.end(); }
reverse_iterator rbegin() { return reverse_iterator(end()); }
const_reverse_iterator rbegin() const { return const_reverse_iterator(end()); }
reverse_iterator rend() { return reverse_iterator(begin()); }
const_reverse_iterator rend() const { return const_reverse_iterator(begin()); }
iterator lower_bound(const key_type& __k) { return __tree_.lower_bound(__k); }
const_iterator lower_bound(const key_type& __k) const { return __tree_.lower_bound(__k); }
iterator upper_bound(const key_type& __k) { return __tree_.upper_bound(__k); }
const_iterator upper_bound(const key_type& __k) const { return __tree_.upper_bound(__k); }
iterator find(const key_type& __k) { return __tree_.find(__k); }
const_iterator find(const key_type& __k) const { return __tree_.find(__k); }
bool empty() const { return __tree_.size() == 0; }
size_type size() const { return __tree_.size(); }
size_type max_size() const { return __tree_.max_size(); }
allocator_type get_allocator() const { return __tree_.get_allocator(); }
key_compare key_comp() const { return __tree_.value_comp().get_comp(); }
value_compare value_comp() const { return value_compare(key_comp()); }
ft::pair<iterator, bool> insert(const value_type& val) { return __tree_.insert(val); }
iterator insert(iterator __p, const value_type& val) { return __tree_.insert(__p, val); }
template<class _Iter>
void insert(_Iter first, _Iter last) { for (; first != last; ++first) insert(*first); }
void erase(iterator __pos) { return __tree_.erase(__pos); }
size_type erase(const key_type& __k)
{
iterator __p = find(__k);
if (__p != end())
{
__tree_.erase(__p);
return (1);
}
return (0);
}
void erase(iterator first, iterator last)
{
//ft::vector<value_type> holder(first, last);
//for (size_t i = 0; i < holder.size(); ++i)
// erase(holder[i].first);
while (first != last)
{
erase(first);
++first;
}
}
void swap(map& __x) { __tree_.swap(__x.__tree_); }
void clear() { __tree_.clear(); }
size_type count(const key_type& __k) const { return find(__k) != end(); }
ft::pair<iterator, iterator> equal_range(const key_type& __k)
{
iterator __p = lower_bound(__k);
if (__p == end() || __p->first != __k)
return ft::make_pair(__p, __p);
else
return ft::make_pair(__p++, __p);
}
ft::pair<const_iterator, const_iterator> equal_range(const key_type& __k) const
{
const_iterator __p = lower_bound(__k);
if (__p == end() || __p->first != __k)
return ft::make_pair(__p, __p);
else
return ft::make_pair(__p++, __p);
}
mapped_type& operator[] (const key_type& __k) { return insert(ft::make_pair(__k, mapped_type())).first->second; }
};
template<class _Key, class _Tp, class _Compare, class _Allocator>
bool operator == (const map<_Key, _Tp, _Compare, _Allocator>& __x,
const map<_Key, _Tp, _Compare, _Allocator>& __y)
{ return __x.size() == __y.size() && ft::equal(__x.begin(), __x.end(), __y.begin()); }
template<class _Key, class _Tp, class _Compare, class _Allocator>
bool operator < (const map<_Key, _Tp, _Compare, _Allocator>& __x,
const map<_Key, _Tp, _Compare, _Allocator>& __y)
{ return ft::lexicographical_compare(__x.begin(), __x.end(), __y.begin(), __y.end()); }
template<class _Key, class _Tp, class _Compare, class _Allocator>
bool operator != (const map<_Key, _Tp, _Compare, _Allocator>& __x,
const map<_Key, _Tp, _Compare, _Allocator>& __y)
{ return !(__x == __y); }
template<class _Key, class _Tp, class _Compare, class _Allocator>
bool operator > (const map<_Key, _Tp, _Compare, _Allocator>& __x,
const map<_Key, _Tp, _Compare, _Allocator>& __y)
{ return __y < __x; }
template<class _Key, class _Tp, class _Compare, class _Allocator>
bool operator >= (const map<_Key, _Tp, _Compare, _Allocator>& __x,
const map<_Key, _Tp, _Compare, _Allocator>& __y)
{ return !(__x < __y); }
template<class _Key, class _Tp, class _Compare, class _Allocator>
bool operator <= (const map<_Key, _Tp, _Compare, _Allocator>& __x,
const map<_Key, _Tp, _Compare, _Allocator>& __y)
{ return !(__y < __x); }
template<class _Key, class _Tp, class _Compare, class _Allocator>
void swap(map<_Key, _Tp, _Compare, _Allocator>& __x,
map<_Key, _Tp, _Compare, _Allocator>& __y)
{ __x.swap(__y); }
// --------------------------------------------------------------------------------------------------------------------------
} // ft
# endif