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map.h
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1997-06-22
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/*
*
* Copyright (c) 1994
* Hewlett-Packard Company
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation. Hewlett-Packard Company makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
*
* Copyright (c) 1996
* Silicon Graphics Computer Systems, Inc.
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation. Silicon Graphics makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
* Copyright (c) 1997
* Moscow Center for SPARC Technology
*
* Permission to use, copy, modify, distribute and sell this software
* and its documentation for any purpose is hereby granted without fee,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation. Moscow Center for SPARC Technology makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
*/
#ifndef __SGI_STL_MAP_H
# define __SGI_STL_MAP_H
# ifndef __SGI_STL_TREE_H
# include <tree.h>
# endif
__BEGIN_STL_NAMESPACE
__BEGIN_STL_FULL_NAMESPACE
#define map __WORKAROUND_RENAME(map)
template <class Key, class T, __DFL_TMPL_PARAM(Compare,less<Key>),
__DFL_TYPE_PARAM(Alloc,alloc) >
class map {
typedef map<Key, T, Compare, Alloc> self;
public:
// typedefs:
typedef Key key_type;
typedef T data_type;
typedef pair<const Key, T> value_type;
typedef Compare key_compare;
class value_compare
: public binary_function<value_type, value_type, bool> {
friend class map<Key, T, Compare, Alloc>;
protected :
Compare comp;
value_compare(Compare c) : comp(c) {}
public:
bool operator()(const value_type& x, const value_type& y) const {
return comp(x.first, y.first);
}
};
private:
typedef rb_tree<key_type, value_type,
select1st<value_type, value_type::first_type>, key_compare, Alloc> rep_type;
public:
typedef typename rep_type::reference reference;
typedef typename rep_type::const_reference const_reference;
typedef typename rep_type::iterator iterator;
typedef typename rep_type::const_iterator const_iterator;
typedef typename rep_type::reverse_iterator reverse_iterator;
typedef typename rep_type::const_reverse_iterator const_reverse_iterator;
typedef typename rep_type::size_type size_type;
typedef typename rep_type::difference_type difference_type;
private:
rep_type t; // red-black tree representing map
// allocation/deallocation
public:
map() : t(Compare()) {}
explicit map(const Compare& comp) : t(comp) {}
map(const value_type* first, const value_type* last) :
t(Compare()) {
t.insert_unique(first, last);
}
map(const value_type* first, const value_type* last,
const Compare& comp) : t(comp) {
t.insert_unique(first, last);
}
map(const_iterator first, const_iterator last) :
t(Compare()) {
t.insert_unique(first, last);
}
map(const_iterator first, const_iterator last,
const Compare& comp) : t(comp) {
t.insert_unique(first, last);
}
map(const map<Key, T, Compare, Alloc>& x) : t(x.t) {}
map<Key, T, Compare, Alloc>& operator=(const map<Key, T, Compare, Alloc>& x)
{
t = x.t;
return *this;
}
// accessors:
key_compare key_comp() const { return t.key_comp(); }
value_compare value_comp() const { return value_compare(t.key_comp()); }
iterator begin() { return t.begin(); }
const_iterator begin() const { return t.begin(); }
iterator end() { return t.end(); }
const_iterator end() const { return t.end(); }
reverse_iterator rbegin() { return t.rbegin(); }
const_reverse_iterator rbegin() const { return t.rbegin(); }
reverse_iterator rend() { return t.rend(); }
const_reverse_iterator rend() const { return t.rend(); }
bool empty() const { return t.empty(); }
size_type size() const { return t.size(); }
size_type max_size() const { return t.max_size(); }
T& operator[](const key_type& k) {
return (*((insert(value_type(k, T()))).first)).second;
}
void swap(map<Key, T, Compare, Alloc>& x) { t.swap(x.t); }
// insert/erase
pair<iterator,bool> insert(const value_type& x) { return t.insert_unique(x); }
iterator insert(iterator position, const value_type& x) {
return t.insert_unique(position, x);
}
void insert(const value_type* first, const value_type* last) {
t.insert_unique(first, last);
}
void insert(const_iterator first, const_iterator last) {
t.insert_unique(first, last);
}
void erase(iterator position) { t.erase(position); }
size_type erase(const key_type& x) { return t.erase(x); }
void erase(iterator first, iterator last) { t.erase(first, last); }
void clear() { t.clear(); }
// map operations:
iterator find(const key_type& x) { return t.find(x); }
const_iterator find(const key_type& x) const { return t.find(x); }
size_type count(const key_type& x) const { return t.count(x); }
iterator lower_bound(const key_type& x) {return t.lower_bound(x); }
const_iterator lower_bound(const key_type& x) const {
return t.lower_bound(x);
}
iterator upper_bound(const key_type& x) {return t.upper_bound(x); }
const_iterator upper_bound(const key_type& x) const {
return t.upper_bound(x);
}
pair<iterator,iterator> equal_range(const key_type& x) {
return t.equal_range(x);
}
pair<const_iterator,const_iterator> equal_range(const key_type& x) const {
return t.equal_range(x);
}
friend bool operator==(const self&, const self&);
friend bool operator<(const self&, const self&);
// debug
bool __rb_verify() const { return t.__rb_verify(); }
};
__END_STL_FULL_NAMESPACE
// do a cleanup
# undef map
# define __map__ __FULL_NAME(map)
template <class Key, class T, class Compare, class Alloc>
inline bool operator==(const __map__<Key, T, Compare, Alloc>& x,
const __map__<Key, T, Compare, Alloc>& y) {
return x.t == y.t;
}
template <class Key, class T, class Compare, class Alloc>
inline bool operator<(const __map__<Key, T, Compare, Alloc>& x,
const __map__<Key, T, Compare, Alloc>& y) {
return x.t < y.t;
}
# if defined (__STL_CLASS_PARTIAL_SPECIALIZATION )
template <class Key, class T, class Compare, class Alloc>
inline void swap(__map__<Key, T, Compare, Alloc>& a,
__map__<Key, T, Compare, Alloc>& b) { a.swap(b); }
# endif
// provide a way to access full funclionality
# ifndef __STL_DEFAULT_TYPE_PARAM
// provide a "default" map adaptor
template <class Key, class T, class Compare>
class map : public __map__<Key, T, Compare, alloc>
{
typedef map<Key, T, Compare> self;
public:
typedef __map__<Key, T, Compare, alloc> super;
__CONTAINER_SUPER_TYPEDEFS
__IMPORT_SUPER_COPY_ASSIGNMENT(map)
map() : super(Compare()) {}
explicit map(const Compare& comp) : super(comp) {}
map(const typename super::value_type* first, const typename super::value_type* last) :
super(first, last, Compare()) { }
map(const typename super::value_type* first, const typename super::value_type* last,
const Compare& comp) : super(first, last, comp) { }
map(typename super::const_iterator first, typename super::const_iterator last) :
super(first, last, Compare()) { }
map(typename super::const_iterator first, typename super::const_iterator last,
const Compare& comp) : super(first, last, comp) { }
};
# if defined (__STL_BASE_MATCH_BUG)
template <class Key, class T, class Compare>
inline bool operator==(const map<Key, T, Compare>& x,
const map<Key, T, Compare>& y) {
typedef typename map<Key, T, Compare>::super super;
return operator==((const super&)x,(const super&)y);
}
template <class Key, class T, class Compare>
inline bool operator<(const map<Key, T, Compare>& x,
const map<Key, T, Compare>& y) {
typedef typename map<Key, T, Compare>::super super;
return operator < ((const super&)x,(const super&)y);
}
# endif
# endif /* __STL_DEFAULT_TEMPLATE_PARAM */
__END_STL_NAMESPACE
#endif