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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 MULTIMAP_H
+#define MULTIMAP_H
+
+#ifndef Allocator
+#define Allocator allocator
+#include <defalloc.h>
+#endif
+
+#include <tree.h>
+
+template <class Key, class T, class Compare>
+class multimap {
+public:
+
+// typedefs:
+
+ typedef Key key_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 multimap<Key, T, Compare>;
+ 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, key_type>, key_compare> rep_type;
+ rep_type t; // red-black tree representing multimap
+public:
+ typedef rep_type::reference reference;
+ typedef rep_type::const_reference const_reference;
+ typedef rep_type::iterator iterator;
+ typedef rep_type::const_iterator const_iterator;
+ typedef rep_type::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
+
+ multimap(const Compare& comp = Compare()) : t(comp, true) { }
+ multimap(const value_type* first, const value_type* last,
+ const Compare& comp = Compare()) : t(first, last, comp, true) { }
+ multimap(const multimap<Key, T, Compare>& x) : t(x.t, true) { }
+ multimap<Key, T, Compare>& operator=(const multimap<Key, T, Compare>& 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(); }
+ void swap(multimap<Key, T, 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(position, x);
+ }
+ void insert(const value_type* first, const value_type* last) {
+ t.insert(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); }
+
+// multimap 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);
+ }
+ typedef pair<iterator, iterator> pair_iterator_iterator;
+ // typedef done to get around compiler bug
+ pair_iterator_iterator equal_range(const key_type& x) {
+ return t.equal_range(x);
+ }
+ typedef pair<const_iterator, const_iterator> pair_citerator_citerator;
+ // typedef done to get around compiler bug
+ pair_citerator_citerator equal_range(const key_type& x) const {
+ return t.equal_range(x);
+ }
+};
+
+template <class Key, class T, class Compare>
+inline bool operator==(const multimap<Key, T, Compare>& x,
+ const multimap<Key, T, Compare>& y) {
+ return x.size() == y.size() && equal(x.begin(), x.end(), y.begin());
+}
+
+template <class Key, class T, class Compare>
+inline bool operator<(const multimap<Key, T, Compare>& x,
+ const multimap<Key, T, Compare>& y) {
+ return lexicographical_compare(x.begin(), x.end(), y.begin(), y.end());
+}
+
+#undef Allocator
+
+#endif
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