stl_set.h
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上传用户:sichengcw
上传日期:2009-02-17
资源大小:202k
文件大小:7k
源码类别:
STL
开发平台:
Visual C++
- /*
- *
- * 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_SET_H
- #define __SGI_STL_INTERNAL_SET_H
- __STL_BEGIN_NAMESPACE
- #if defined(__sgi) && !defined(__GNUC__) && (_MIPS_SIM != _MIPS_SIM_ABI32)
- #pragma set woff 1174
- #endif
- #ifndef __STL_LIMITED_DEFAULT_TEMPLATES
- template <class Key, class Compare = less<Key>, class Alloc = alloc>
- #else
- template <class Key, class Compare, class Alloc = alloc>
- #endif
- class set {
- public:
- // typedefs:
- typedef Key key_type;
- typedef Key value_type;
- typedef Compare key_compare;
- typedef Compare value_compare;
- private:
- typedef rb_tree<key_type, value_type,
- identity<value_type>, key_compare, Alloc> rep_type;
- rep_type t; // red-black tree representing set
- public:
- typedef typename rep_type::const_pointer pointer;
- typedef typename rep_type::const_pointer const_pointer;
- typedef typename rep_type::const_reference reference;
- typedef typename rep_type::const_reference const_reference;
- typedef typename rep_type::const_iterator iterator;
- typedef typename rep_type::const_iterator const_iterator;
- typedef typename rep_type::const_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;
- // allocation/deallocation
- set() : t(Compare()) {}
- explicit set(const Compare& comp) : t(comp) {}
- #ifdef __STL_MEMBER_TEMPLATES
- template <class InputIterator>
- set(InputIterator first, InputIterator last)
- : t(Compare()) { t.insert_unique(first, last); }
- template <class InputIterator>
- set(InputIterator first, InputIterator last, const Compare& comp)
- : t(comp) { t.insert_unique(first, last); }
- #else
- set(const value_type* first, const value_type* last)
- : t(Compare()) { t.insert_unique(first, last); }
- set(const value_type* first, const value_type* last, const Compare& comp)
- : t(comp) { t.insert_unique(first, last); }
- set(const_iterator first, const_iterator last)
- : t(Compare()) { t.insert_unique(first, last); }
- set(const_iterator first, const_iterator last, const Compare& comp)
- : t(comp) { t.insert_unique(first, last); }
- #endif /* __STL_MEMBER_TEMPLATES */
- set(const set<Key, Compare, Alloc>& x) : t(x.t) {}
- set<Key, Compare, Alloc>& operator=(const set<Key, Compare, Alloc>& x) {
- t = x.t;
- return *this;
- }
- // accessors:
- key_compare key_comp() const { return t.key_comp(); }
- value_compare value_comp() const { return t.key_comp(); }
- iterator begin() const { return t.begin(); }
- iterator end() const { return t.end(); }
- reverse_iterator rbegin() const { return t.rbegin(); }
- 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(); }
- void swap(set<Key, Compare, Alloc>& x) { t.swap(x.t); }
- // insert/erase
- typedef pair<iterator, bool> pair_iterator_bool;
- pair<iterator,bool> insert(const value_type& x) {
- pair<typename rep_type::iterator, bool> p = t.insert_unique(x);
- return pair<iterator, bool>(p.first, p.second);
- }
- iterator insert(iterator position, const value_type& x) {
- typedef typename rep_type::iterator rep_iterator;
- return t.insert_unique((rep_iterator&)position, x);
- }
- #ifdef __STL_MEMBER_TEMPLATES
- template <class InputIterator>
- void insert(InputIterator first, InputIterator last) {
- t.insert_unique(first, last);
- }
- #else
- void insert(const_iterator first, const_iterator last) {
- t.insert_unique(first, last);
- }
- void insert(const value_type* first, const value_type* last) {
- t.insert_unique(first, last);
- }
- #endif /* __STL_MEMBER_TEMPLATES */
- void erase(iterator position) {
- typedef typename rep_type::iterator rep_iterator;
- t.erase((rep_iterator&)position);
- }
- size_type erase(const key_type& x) {
- return t.erase(x);
- }
- void erase(iterator first, iterator last) {
- typedef typename rep_type::iterator rep_iterator;
- t.erase((rep_iterator&)first, (rep_iterator&)last);
- }
- void clear() { t.clear(); }
- // set operations:
- 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) const {
- return t.lower_bound(x);
- }
- iterator upper_bound(const key_type& x) const {
- return t.upper_bound(x);
- }
- pair<iterator,iterator> equal_range(const key_type& x) const {
- return t.equal_range(x);
- }
- friend bool operator== __STL_NULL_TMPL_ARGS (const set&, const set&);
- friend bool operator< __STL_NULL_TMPL_ARGS (const set&, const set&);
- };
- template <class Key, class Compare, class Alloc>
- inline bool operator==(const set<Key, Compare, Alloc>& x,
- const set<Key, Compare, Alloc>& y) {
- return x.t == y.t;
- }
- template <class Key, class Compare, class Alloc>
- inline bool operator<(const set<Key, Compare, Alloc>& x,
- const set<Key, Compare, Alloc>& y) {
- return x.t < y.t;
- }
- #ifdef __STL_FUNCTION_TMPL_PARTIAL_ORDER
- template <class Key, class Compare, class Alloc>
- inline void swap(set<Key, Compare, Alloc>& x,
- set<Key, 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
- #endif
- __STL_END_NAMESPACE
- #endif /* __SGI_STL_INTERNAL_SET_H */
- // Local Variables:
- // mode:C++
- // End: