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MAP.H
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1997-02-28
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#ifndef __STD_MAP__
#define __STD_MAP__
/* $Revision: 8.1 $ */
/***************************************************************************
*
* map - declarations for the Standard Library map class
*
* $Id: map,v 1.31 1995/08/23 23:54:42 lijewski Exp $
*
***************************************************************************
*
* 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.
*
*
***************************************************************************
*
* (c) Copyright 1994, 1995 Rogue Wave Software, Inc.
* ALL RIGHTS RESERVED
*
* The software and information contained herein are proprietary to, and
* comprise valuable trade secrets of, Rogue Wave Software, Inc., which
* intends to preserve as trade secrets such software and information.
* This software is furnished pursuant to a written license agreement and
* may be used, copied, transmitted, and stored only in accordance with
* the terms of such license and with the inclusion of the above copyright
* notice. This software and information or any other copies thereof may
* not be provided or otherwise made available to any other person.
*
* Notwithstanding any other lease or license that may pertain to, or
* accompany the delivery of, this computer software and information, the
* rights of the Government regarding its use, reproduction and disclosure
* are as set forth in Section 52.227-19 of the FARS Computer
* Software-Restricted Rights clause.
*
* Use, duplication, or disclosure by the Government is subject to
* restrictions as set forth in subparagraph (c)(1)(ii) of the Rights in
* Technical Data and Computer Software clause at DFARS 252.227-7013.
* Contractor/Manufacturer is Rogue Wave Software, Inc.,
* P.O. Box 2328, Corvallis, Oregon 97339.
*
* This computer software and information is distributed with "restricted
* rights." Use, duplication or disclosure is subject to restrictions as
* set forth in NASA FAR SUP 18-52.227-79 (April 1985) "Commercial
* Computer Software-Restricted Rights (April 1985)." If the Clause at
* 18-52.227-74 "Rights in Data General" is specified in the contract,
* then the "Alternate III" clause applies.
*
**************************************************************************/
#include <stdcomp.h>
#ifndef Allocator
#define Allocator allocator
#include <memory>
#endif
#ifdef __BORLANDC__
#pragma warn -inl
#endif
#include <tree>
#ifndef RWSTD_NO_NAMESPACE
namespace std {
#endif
//
// This is used in the implementation of map and multimap.
//
template <class T, class U>
struct select1st : public unary_function<T, U>
{
const U& operator() (const T& x) const { return x.first; }
};
//
// First the map stuff.
//
#ifndef RWSTD_NO_DEFAULT_TEMPLATES
template<class Key, class T, class Compare = less<Key> >
#else
template<class Key, class T, class Compare>
#endif /* RWSTD_NO_DEFAULT_TEMPLATES */
class map
{
public:
//
// types
//
typedef Key key_type;
#ifndef RWSTD_NO_CONST_INST
typedef pair<const Key, T> value_type;
#else
typedef pair<Key, T> value_type;
#endif
typedef Compare key_compare;
class value_compare : public binary_function<value_type, value_type, bool>
{
friend class map<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;
public:
//
// types
//
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::size_type size_type;
typedef typename rep_type::difference_type difference_type;
typedef typename rep_type::reverse_iterator reverse_iterator;
typedef typename rep_type::const_reverse_iterator const_reverse_iterator;
//
// construct/copy/destroy
//
explicit map (const Compare& comp = Compare()) : t(comp, false) {}
#ifndef RWSTD_NO_MEMBER_TEMPLATES
template<class InputIterator>
map (InputIterator first, InputIterator last,
const Compare& comp = Compare()) : t(first, last, comp, false) {}
#else
map (const value_type* first, const value_type* last,
const Compare& comp = Compare()) : t(first, last, comp, false) {}
map (iterator first, iterator last,
const Compare& comp = Compare()) : t(first, last, comp, false) {}
map (const_iterator first, const_iterator last,
const Compare& comp = Compare()) : t(first, last, comp, false) {}
#endif
map (const map<Key, T, Compare>& x) : t(x.t, false) {}
map<Key, T, Compare>& operator= (const map<Key, T, Compare>& x)
{
t = x.t; return *this;
}
//
// iterators
//
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(); }
//
// capacity
//
bool empty () const { return t.empty(); }
size_type size () const { return t.size(); }
size_type max_size () const { return t.max_size(); }
//
// element access
//
T& operator[] (const key_type& k)
{
value_type tmp(k,T()); return (*((insert(tmp)).first)).second;
}
//
// TODO - fix this once required functionality is specified by WP!!!
//
//const T& operator[] (const key_type& k) const
//{
// value_type tmp(k,T()); return (*((insert(tmp)).first)).second;
//}
//
// modifiers
//
#ifndef RWSTD_NO_RET_TEMPLATE
pair<iterator,bool> insert (const value_type& x) { return t.insert(x); }
#else
typedef pair<iterator, bool> pair_iterator_bool;
//
// typedef done to get around compiler bug
//
pair_iterator_bool insert (const value_type& x) { return t.insert(x); }
#endif
iterator insert (iterator position, const value_type& x)
{
return t.insert(position, x);
}
#ifndef RWSTD_NO_MEMBER_TEMPLATES
template<class InputIterator>
void insert (InputIterator first, InputIterator last)
{
t.insert(first, last);
}
#else
void insert (const value_type* first, const value_type* last)
{
t.insert(first, last);
}
void insert (iterator first, iterator last)
{
t.insert(first, last);
}
void insert (const_iterator first, const_iterator last)
{
t.insert(first, last);
}
#endif
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); }
void swap (map<Key, T, Compare>& x) { t.swap(x.t); }
//
// observers
//
key_compare key_comp () const { return t.key_comp(); }
value_compare value_comp () const { return value_compare(t.key_comp()); }
//
// map 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); }
iterator upper_bound (const key_type& x) { return t.upper_bound(x); }
const_iterator lower_bound (const key_type& x) const
{
return t.lower_bound(x);
}
const_iterator upper_bound (const key_type& x) const
{
return t.upper_bound(x);
}
#ifndef RWSTD_NO_RET_TEMPLATE
pair<iterator,iterator> equal_range (const key_type& x)
#else
typedef pair<iterator, iterator> pair_iterator_iterator;
//
// typedef done to get around compiler bug
//
pair_iterator_iterator equal_range (const key_type& x)
#endif
{
return t.equal_range(x);
}
#ifndef RWSTD_NO_RET_TEMPLATE
pair<const_iterator, const_iterator> equal_range (const key_type& x) const
#else
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
#endif
{
return t.equal_range(x);
}
};
template <class Key, class T, class Compare>
class multimap
{
public:
//
// types
//
typedef Key key_type;
#ifndef RWSTD_NO_CONST_INST
typedef pair<const Key, T> value_type;
#else
typedef pair<Key, T> value_type;
#endif
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;
public:
//
// types
//
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::size_type size_type;
typedef typename rep_type::difference_type difference_type;
typedef typename rep_type::reverse_iterator reverse_iterator;
typedef typename rep_type::const_reverse_iterator const_reverse_iterator;
//
// construct/copy/destroy
//
explicit multimap (const Compare& comp = Compare()) : t(comp, true) { }
#ifndef RWSTD_NO_MEMBER_TEMPLATES
template<class InputIterator>
multimap (InputIterator first, InputIterator last,
const Compare& comp = Compare()) : t(first, last, comp, true) { }
#else
multimap (const value_type* first, const value_type* last,
const Compare& comp = Compare()) : t(first, last, comp, true) { }
multimap (iterator first, iterator last,
const Compare& comp = Compare()) : t(first, last, comp, true) { }
multimap (const_iterator first, const_iterator last,
const Compare& comp = Compare()) : t(first, last, comp,true) { }
#endif
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;
}
//
// iterators
//
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(); }
//
// capacity
//
bool empty () const { return t.empty(); }
size_type size () const { return t.size(); }
size_type max_size() const { return t.max_size(); }
//
// modifiers
//
iterator insert (const value_type& x) { return t.insert(x).first; }
iterator insert (iterator position, const value_type& x)
{
return t.insert(position, x);
}
#ifndef RWSTD_NO_MEMBER_TEMPLATES
template<class InputIterator>
void insert (InputIterator first, InputIterator last)
{
t.insert(first, last);
}
#else
void insert (const value_type* first, const value_type* last)
{
t.insert(first, last);
}
void insert (iterator first, iterator last)
{
t.insert(first, last);
}
void insert (const_iterator first, const_iterator last)
{
t.insert(first, last);
}
#endif
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); }
void swap (multimap<Key, T, Compare>& x) { t.swap(x.t); }
//
// observers
//
key_compare key_comp () const { return t.key_comp(); }
value_compare value_comp () const { return value_compare(t.key_comp()); }
//
// map 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);}
iterator upper_bound (const key_type& x) {return t.upper_bound(x);}
const_iterator lower_bound (const key_type& x) const
{
return t.lower_bound(x);
}
const_iterator upper_bound (const key_type& x) const
{
return t.upper_bound(x);
}
#ifndef RWSTD_NO_RET_TEMPLATE
pair<iterator,iterator> equal_range (const key_type& x)
#else
typedef pair<iterator, iterator> pair_iterator_iterator;
//
// typedef done to get around compiler bug
//
pair_iterator_iterator equal_range (const key_type& x)
#endif
{
return t.equal_range(x);
}
#ifndef RWSTD_NO_RET_TEMPLATE
pair<const_iterator,const_iterator> equal_range (const key_type& x) const
#else
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
#endif
{
return t.equal_range(x);
}
};
template <class Key, class T, class Compare>
inline bool operator== (const map<Key, T, Compare>& x,
const map<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 map<Key, T, Compare>& x,
const map<Key, T, Compare>& y)
{
return lexicographical_compare(x.begin(), x.end(), y.begin(), y.end());
}
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());
}
#ifndef RWSTD_NO_NAMESPACE
}
#endif
#undef Allocator
#endif