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stl_map.h
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2000-01-21
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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) 1996,1997
* 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.
*/
/* NOTE: This is an internal header file, included by other STL headers.
* You should not attempt to use it directly.
*/
#ifndef __SGI_STL_INTERNAL_MAP_H
#define __SGI_STL_INTERNAL_MAP_H
__STL_BEGIN_NAMESPACE
#if defined(__sgi) && !defined(__GNUC__) && (_MIPS_SIM != _MIPS_SIM_ABI32)
#pragma set woff 1174
#pragma set woff 1375
#endif
#ifndef __STL_LIMITED_DEFAULT_TEMPLATES
template <class _Key, class _Tp, class _Compare = less<_Key>,
class _Alloc = __STL_DEFAULT_ALLOCATOR(_Tp) >
#else
template <class _Key, class _Tp, class _Compare,
class _Alloc = __STL_DEFAULT_ALLOCATOR(_Tp) >
#endif
class map {
public:
// typedefs:
typedef _Key key_type;
typedef _Tp data_type;
typedef _Tp mapped_type;
typedef pair<const _Key, _Tp> value_type;
typedef _Compare key_compare;
class value_compare
: public binary_function<value_type, value_type, bool> {
friend class map<_Key,_Tp,_Compare,_Alloc>;
protected :
_Compare _M_comp;
value_compare(_Compare __c) : _M_comp(__c) {}
public:
bool operator()(const value_type& __x, const value_type& __y) const {
return _M_comp(__x.first, __y.first);
}
};
private:
typedef _Rb_tree<key_type, value_type,
_Select1st<value_type>, key_compare, _Alloc> _Rep_type;
_Rep_type _M_t; // red-black tree representing map
public:
typedef typename _Rep_type::pointer pointer;
typedef typename _Rep_type::const_pointer const_pointer;
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;
typedef typename _Rep_type::allocator_type allocator_type;
// allocation/deallocation
map() : _M_t(_Compare(), allocator_type()) {}
explicit map(const _Compare& __comp,
const allocator_type& __a = allocator_type())
: _M_t(__comp, __a) {}
#ifdef __STL_MEMBER_TEMPLATES
template <class _InputIterator>
map(_InputIterator __first, _InputIterator __last)
: _M_t(_Compare(), allocator_type())
{ _M_t.insert_unique(__first, __last); }
template <class _InputIterator>
map(_InputIterator __first, _InputIterator __last, const _Compare& __comp,
const allocator_type& __a = allocator_type())
: _M_t(__comp, __a) { _M_t.insert_unique(__first, __last); }
#else
map(const value_type* __first, const value_type* __last)
: _M_t(_Compare(), allocator_type())
{ _M_t.insert_unique(__first, __last); }
map(const value_type* __first,
const value_type* __last, const _Compare& __comp,
const allocator_type& __a = allocator_type())
: _M_t(__comp, __a) { _M_t.insert_unique(__first, __last); }
map(const_iterator __first, const_iterator __last)
: _M_t(_Compare(), allocator_type())
{ _M_t.insert_unique(__first, __last); }
map(const_iterator __first, const_iterator __last, const _Compare& __comp,
const allocator_type& __a = allocator_type())
: _M_t(__comp, __a) { _M_t.insert_unique(__first, __last); }
#endif /* __STL_MEMBER_TEMPLATES */
map(const map<_Key,_Tp,_Compare,_Alloc>& __x) : _M_t(__x._M_t) {}
map<_Key,_Tp,_Compare,_Alloc>&
operator=(const map<_Key, _Tp, _Compare, _Alloc>& __x)
{
_M_t = __x._M_t;
return *this;
}
// accessors:
key_compare key_comp() const { return _M_t.key_comp(); }
value_compare value_comp() const { return value_compare(_M_t.key_comp()); }
allocator_type get_allocator() const { return _M_t.get_allocator(); }
iterator begin() { return _M_t.begin(); }
const_iterator begin() const { return _M_t.begin(); }
iterator end() { return _M_t.end(); }
const_iterator end() const { return _M_t.end(); }
reverse_iterator rbegin() { return _M_t.rbegin(); }
const_reverse_iterator rbegin() const { return _M_t.rbegin(); }
reverse_iterator rend() { return _M_t.rend(); }
const_reverse_iterator rend() const { return _M_t.rend(); }
bool empty() const { return _M_t.empty(); }
size_type size() const { return _M_t.size(); }
size_type max_size() const { return _M_t.max_size(); }
_Tp& operator[](const key_type& __k) {
iterator __i = lower_bound(__k);
// __i->first is greater than or equivalent to __k.
if (__i == end() || key_comp()(__k, (*__i).first))
__i = insert(__i, value_type(__k, _Tp()));
return (*__i).second;
}
void swap(map<_Key,_Tp,_Compare,_Alloc>& __x) { _M_t.swap(__x._M_t); }
// insert/erase
pair<iterator,bool> insert(const value_type& __x)
{ return _M_t.insert_unique(__x); }
iterator insert(iterator position, const value_type& __x)
{ return _M_t.insert_unique(position, __x); }
#ifdef __STL_MEMBER_TEMPLATES
template <class _InputIterator>
void insert(_InputIterator __first, _InputIterator __last) {
_M_t.insert_unique(__first, __last);
}
#else
void insert(const value_type* __first, const value_type* __last) {
_M_t.insert_unique(__first, __last);
}
void insert(const_iterator __first, const_iterator __last) {
_M_t.insert_unique(__first, __last);
}
#endif /* __STL_MEMBER_TEMPLATES */
void erase(iterator __position) { _M_t.erase(__position); }
size_type erase(const key_type& __x) { return _M_t.erase(__x); }
void erase(iterator __first, iterator __last)
{ _M_t.erase(__first, __last); }
void clear() { _M_t.clear(); }
// map operations:
iterator find(const key_type& __x) { return _M_t.find(__x); }
const_iterator find(const key_type& __x) const { return _M_t.find(__x); }
size_type count(const key_type& __x) const { return _M_t.count(__x); }
iterator lower_bound(const key_type& __x) {return _M_t.lower_bound(__x); }
const_iterator lower_bound(const key_type& __x) const {
return _M_t.lower_bound(__x);
}
iterator upper_bound(const key_type& __x) {return _M_t.upper_bound(__x); }
const_iterator upper_bound(const key_type& __x) const {
return _M_t.upper_bound(__x);
}
pair<iterator,iterator> equal_range(const key_type& __x) {
return _M_t.equal_range(__x);
}
pair<const_iterator,const_iterator> equal_range(const key_type& __x) const {
return _M_t.equal_range(__x);
}
friend bool operator== __STL_NULL_TMPL_ARGS (const map&, const map&);
friend bool operator< __STL_NULL_TMPL_ARGS (const map&, const map&);
};
template <class _Key, class _Tp, class _Compare, class _Alloc>
inline bool operator==(const map<_Key,_Tp,_Compare,_Alloc>& __x,
const map<_Key,_Tp,_Compare,_Alloc>& __y) {
return __x._M_t == __y._M_t;
}
template <class _Key, class _Tp, class _Compare, class _Alloc>
inline bool operator<(const map<_Key,_Tp,_Compare,_Alloc>& __x,
const map<_Key,_Tp,_Compare,_Alloc>& __y) {
return __x._M_t < __y._M_t;
}
#ifdef __STL_FUNCTION_TMPL_PARTIAL_ORDER
template <class _Key, class _Tp, class _Compare, class _Alloc>
inline void swap(map<_Key,_Tp,_Compare,_Alloc>& __x,
map<_Key,_Tp,_Compare,_Alloc>& __y) {
__x.swap(__y);
}
#endif /* __STL_FUNCTION_TMPL_PARTIAL_ORDER */
#if defined(__sgi) && !defined(__GNUC__) && (_MIPS_SIM != _MIPS_SIM_ABI32)
#pragma reset woff 1174
#pragma reset woff 1375
#endif
__STL_END_NAMESPACE
#endif /* __SGI_STL_INTERNAL_MAP_H */
// Local Variables:
// mode:C++
// End: