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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.
- *
- */
-
- #ifndef MULTISET_H
- #define MULTISET_H
-
- #ifndef Allocator
- #define Allocator allocator
- #include <defalloc.h>
- #endif
-
- #include <tree.h>
-
- template <class Key, class Compare>
- class multiset {
- 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,
- ident<value_type, key_type>, key_compare> rep_type;
- rep_type t; // red-black tree representing multiset
- public:
- typedef rep_type::const_reference reference;
- typedef rep_type::const_reference const_reference;
- typedef rep_type::const_iterator iterator;
- typedef rep_type::const_iterator const_iterator;
- typedef rep_type::const_reverse_iterator reverse_iterator;
- typedef rep_type::const_reverse_iterator const_reverse_iterator;
- typedef rep_type::size_type size_type;
- typedef rep_type::difference_type difference_type;
-
- // allocation/deallocation
-
- multiset(const Compare& comp = Compare()) : t(comp, true) {}
- multiset(const value_type* first, const value_type* last,
- const Compare& comp = Compare()) : t(comp, true) {
- for (const value_type* i = first; i != last; ++i)
- t.insert(*i);
- }
- multiset(const multiset<Key, Compare>& x) : t(x.t, true) {}
- multiset<Key, Compare>& operator=(const multiset<Key, Compare>& 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(multiset<Key, Compare>& x) { t.swap(x.t); }
-
- // insert/erase
- iterator insert(const value_type& x) {
- return t.insert(x).first;
- }
- iterator insert(iterator position, const value_type& x) {
- return t.insert((rep_type::iterator&)position, x);
- }
- void insert(const value_type* first, const value_type* last) {
- for (const value_type* i = first; i != last; ++i)
- t.insert(*i);
- }
- void erase(iterator position) {
- t.erase((rep_type::iterator&)position);
- }
- size_type erase(const key_type& x) {
- return t.erase(x);
- }
- void erase(iterator first, iterator last) {
- t.erase((rep_type::iterator&)first,
- (rep_type::iterator&)last);
- }
-
- // multiset 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);
- }
- typedef pair<iterator, iterator> pair_iterator_iterator;
- // typedef done to get around compiler bug
- pair_iterator_iterator equal_range(const key_type& x) const {
- return t.equal_range(x);
- }
- };
-
- template <class Key, class Compare>
- inline bool operator==(const multiset<Key, Compare>& x,
- const multiset<Key, Compare>& y) {
- return x.size() == y.size() && equal(x.begin(), x.end(), y.begin());
- }
-
- template <class Key, class Compare>
- inline bool operator<(const multiset<Key, Compare>& x,
- const multiset<Key, Compare>& y) {
- return lexicographical_compare(x.begin(), x.end(), y.begin(), y.end());
- }
-
- #undef Allocator
-
- #endif
-