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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 and Microsoft
 * Corporation make 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>


/*
 *Added by d:\\convert.pl --begin--
 */
namespace std {
/*
 *Added by d:\\convert.pl --end--
 */

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


/*
 *Added by d:\\convert.pl --begin--
 */
}
/*
 *Added by d:\\convert.pl --end--
 */

#endif