| // 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. |
| */ |
| |
| /** @file stl_multimap.h |
| * This is an internal header file, included by other library headers. |
| * You should not attempt to use it directly. |
| */ |
| |
| #ifndef __GLIBCPP_INTERNAL_MULTIMAP_H |
| #define __GLIBCPP_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 /* __GLIBCPP_INTERNAL_MULTIMAP_H */ |
| |
| // Local Variables: |
| // mode:C++ |
| // End: |