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Whole document tree                   stl_multimap.h Go to the documentation of this file. // Multimap implementation -*- C++ -*- // Copyright (C) 2001 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 2, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING. If not, write to the Free // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, // USA. // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. /* * * 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_MULTIMAP_H #define __SGI_STL_INTERNAL_MULTIMAP_H #include <bits/concept_check.h> namespace std { // Forward declaration of operators < and ==, needed for friend declaration. template <class _Key, class _Tp, class _Compare = less<_Key>, class _Alloc = allocator<pair<const _Key, _Tp> > > class multimap; template <class _Key, class _Tp, class _Compare, class _Alloc> inline bool operator==(const multimap<_Key,_Tp,_Compare,_Alloc>& __x, const multimap<_Key,_Tp,_Compare,_Alloc>& __y); template <class _Key, class _Tp, class _Compare, class _Alloc> inline bool operator<(const multimap<_Key,_Tp,_Compare,_Alloc>& __x, const multimap<_Key,_Tp,_Compare,_Alloc>& __y); template <class _Key, class _Tp, class _Compare, class _Alloc> class multimap { // concept requirements __glibcpp_class_requires(_Tp, _SGIAssignableConcept); __glibcpp_class_requires4(_Compare, bool, _Key, _Key, _BinaryFunctionConcept); public: // typedefs: typedef _Key key_type; typedef _Tp data_type; typedef _Tp mapped_type; typedef pair<const _Key, _Tp> value_type; typedef _Compare key_compare; class value_compare : public binary_function<value_type, value_type, bool> { friend class multimap<_Key,_Tp,_Compare,_Alloc>; 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_compare, _Alloc> _Rep_type; _Rep_type _M_t; // red-black tree representing multimap public: typedef typename _Rep_type::pointer pointer; typedef typename _Rep_type::const_pointer const_pointer; 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::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; typedef typename _Rep_type::allocator_type allocator_type; // allocation/deallocation multimap() : _M_t(_Compare(), allocator_type()) { } explicit multimap(const _Compare& __comp, const allocator_type& __a = allocator_type()) : _M_t(__comp, __a) { } template <class _InputIterator> multimap(_InputIterator __first, _InputIterator __last) : _M_t(_Compare(), allocator_type()) { _M_t.insert_equal(__first, __last); } template <class _InputIterator> multimap(_InputIterator __first, _InputIterator __last, const _Compare& __comp, const allocator_type& __a = allocator_type()) : _M_t(__comp, __a) { _M_t.insert_equal(__first, __last); } multimap(const multimap<_Key,_Tp,_Compare,_Alloc>& __x) : _M_t(__x._M_t) { } multimap<_Key,_Tp,_Compare,_Alloc>& operator=(const multimap<_Key,_Tp,_Compare,_Alloc>& __x) { _M_t = __x._M_t; return *this; } // accessors: key_compare key_comp() const { return _M_t.key_comp(); } value_compare value_comp() const { return value_compare(_M_t.key_comp()); } allocator_type get_allocator() const { return _M_t.get_allocator(); } iterator begin() { return _M_t.begin(); } const_iterator begin() const { return _M_t.begin(); } iterator end() { return _M_t.end(); } const_iterator end() const { return _M_t.end(); } reverse_iterator rbegin() { return _M_t.rbegin(); } const_reverse_iterator rbegin() const { return _M_t.rbegin(); } reverse_iterator rend() { return _M_t.rend(); } const_reverse_iterator rend() const { return _M_t.rend(); } bool empty() const { return _M_t.empty(); } size_type size() const { return _M_t.size(); } size_type max_size() const { return _M_t.max_size(); } void swap(multimap<_Key,_Tp,_Compare,_Alloc>& __x) { _M_t.swap(__x._M_t); } // insert/erase iterator insert(const value_type& __x) { return _M_t.insert_equal(__x); } iterator insert(iterator __position, const value_type& __x) { return _M_t.insert_equal(__position, __x); } template <class _InputIterator> void insert(_InputIterator __first, _InputIterator __last) { _M_t.insert_equal(__first, __last); } void erase(iterator __position) { _M_t.erase(__position); } size_type erase(const key_type& __x) { return _M_t.erase(__x); } void erase(iterator __first, iterator __last) { _M_t.erase(__first, __last); } void clear() { _M_t.clear(); } // multimap operations: iterator find(const key_type& __x) { return _M_t.find(__x); } const_iterator find(const key_type& __x) const { return _M_t.find(__x); } size_type count(const key_type& __x) const { return _M_t.count(__x); } iterator lower_bound(const key_type& __x) {return _M_t.lower_bound(__x); } const_iterator lower_bound(const key_type& __x) const { return _M_t.lower_bound(__x); } iterator upper_bound(const key_type& __x) {return _M_t.upper_bound(__x); } const_iterator upper_bound(const key_type& __x) const { return _M_t.upper_bound(__x); } pair<iterator,iterator> equal_range(const key_type& __x) { return _M_t.equal_range(__x); } pair<const_iterator,const_iterator> equal_range(const key_type& __x) const { return _M_t.equal_range(__x); } template <class _K1, class _T1, class _C1, class _A1> friend bool operator== (const multimap<_K1, _T1, _C1, _A1>&, const multimap<_K1, _T1, _C1, _A1>&); template <class _K1, class _T1, class _C1, class _A1> friend bool operator< (const multimap<_K1, _T1, _C1, _A1>&, const multimap<_K1, _T1, _C1, _A1>&); }; template <class _Key, class _Tp, class _Compare, class _Alloc> inline bool operator==(const multimap<_Key,_Tp,_Compare,_Alloc>& __x, const multimap<_Key,_Tp,_Compare,_Alloc>& __y) { return __x._M_t == __y._M_t; } template <class _Key, class _Tp, class _Compare, class _Alloc> inline bool operator<(const multimap<_Key,_Tp,_Compare,_Alloc>& __x, const multimap<_Key,_Tp,_Compare,_Alloc>& __y) { return __x._M_t < __y._M_t; } template <class _Key, class _Tp, class _Compare, class _Alloc> inline bool operator!=(const multimap<_Key,_Tp,_Compare,_Alloc>& __x, const multimap<_Key,_Tp,_Compare,_Alloc>& __y) { return !(__x == __y); } template <class _Key, class _Tp, class _Compare, class _Alloc> inline bool operator>(const multimap<_Key,_Tp,_Compare,_Alloc>& __x, const multimap<_Key,_Tp,_Compare,_Alloc>& __y) { return __y < __x; } template <class _Key, class _Tp, class _Compare, class _Alloc> inline bool operator<=(const multimap<_Key,_Tp,_Compare,_Alloc>& __x, const multimap<_Key,_Tp,_Compare,_Alloc>& __y) { return !(__y < __x); } template <class _Key, class _Tp, class _Compare, class _Alloc> inline bool operator>=(const multimap<_Key,_Tp,_Compare,_Alloc>& __x, const multimap<_Key,_Tp,_Compare,_Alloc>& __y) { return !(__x < __y); } template <class _Key, class _Tp, class _Compare, class _Alloc> inline void swap(multimap<_Key,_Tp,_Compare,_Alloc>& __x, multimap<_Key,_Tp,_Compare,_Alloc>& __y) { __x.swap(__y); } } // namespace std #endif /* __SGI_STL_INTERNAL_MULTIMAP_H */ // Local Variables: // mode:C++ // End: