libstdc++

profile/multimap.h

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00001 // Profiling multimap implementation -*- C++ -*-
00002 
00003 // Copyright (C) 2009, 2010 Free Software Foundation, Inc.
00004 //
00005 // This file is part of the GNU ISO C++ Library.  This library is free
00006 // software; you can redistribute it and/or modify it under the
00007 // terms of the GNU General Public License as published by the
00008 // Free Software Foundation; either version 3, or (at your option)
00009 // any later version.
00010 
00011 // This library is distributed in the hope that it will be useful,
00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014 // GNU General Public License for more details.
00015 
00016 // Under Section 7 of GPL version 3, you are granted additional
00017 // permissions described in the GCC Runtime Library Exception, version
00018 // 3.1, as published by the Free Software Foundation.
00019 
00020 // You should have received a copy of the GNU General Public License and
00021 // a copy of the GCC Runtime Library Exception along with this program;
00022 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
00023 // <http://www.gnu.org/licenses/>.
00024 
00025 /** @file profile/multimap.h
00026  *  This file is a GNU profile extension to the Standard C++ Library.
00027  */
00028 
00029 #ifndef _GLIBCXX_PROFILE_MULTIMAP_H
00030 #define _GLIBCXX_PROFILE_MULTIMAP_H 1
00031 
00032 #include <utility>
00033 
00034 namespace std _GLIBCXX_VISIBILITY(default)
00035 {
00036 namespace __profile
00037 {
00038   /// Class std::multimap wrapper with performance instrumentation.
00039   template<typename _Key, typename _Tp, typename _Compare = std::less<_Key>,
00040        typename _Allocator = std::allocator<std::pair<const _Key, _Tp> > >
00041     class multimap
00042     : public _GLIBCXX_STD_C::multimap<_Key, _Tp, _Compare, _Allocator>
00043     {
00044       typedef _GLIBCXX_STD_C::multimap<_Key, _Tp, _Compare, _Allocator> _Base;
00045 
00046     public:
00047       // types:
00048       typedef _Key                   key_type;
00049       typedef _Tp                    mapped_type;
00050       typedef std::pair<const _Key, _Tp>             value_type;
00051       typedef _Compare                               key_compare;
00052       typedef _Allocator                             allocator_type;
00053       typedef typename _Base::reference              reference;
00054       typedef typename _Base::const_reference        const_reference;
00055 
00056       typedef typename _Base::iterator               iterator;
00057       typedef typename _Base::const_iterator         const_iterator;
00058       typedef typename _Base::reverse_iterator       reverse_iterator;
00059       typedef typename _Base::const_reverse_iterator const_reverse_iterator;
00060 
00061       typedef typename _Base::size_type              size_type;
00062       typedef typename _Base::difference_type        difference_type;
00063       typedef typename _Base::pointer                pointer;
00064       typedef typename _Base::const_pointer          const_pointer;
00065 
00066       using _Base::value_compare;
00067 
00068       // 23.3.1.1 construct/copy/destroy:
00069       explicit multimap(const _Compare& __comp = _Compare(),
00070             const _Allocator& __a = _Allocator())
00071       : _Base(__comp, __a) { }
00072 
00073       template<typename _InputIterator>
00074       multimap(_InputIterator __first, _InputIterator __last,
00075            const _Compare& __comp = _Compare(),
00076            const _Allocator& __a = _Allocator())
00077       : _Base(__first, __last, __comp, __a) { }
00078 
00079       multimap(const multimap& __x)
00080       : _Base(__x) { }
00081 
00082       multimap(const _Base& __x)
00083       : _Base(__x) { }
00084 
00085 #ifdef __GXX_EXPERIMENTAL_CXX0X__
00086       multimap(multimap&& __x)
00087       : _Base(std::move(__x))
00088       { }
00089 
00090       multimap(initializer_list<value_type> __l,
00091            const _Compare& __c = _Compare(),
00092            const allocator_type& __a = allocator_type())
00093       : _Base(__l, __c, __a) { }
00094 #endif
00095 
00096       ~multimap() { }
00097 
00098       multimap&
00099       operator=(const multimap& __x)
00100       {
00101     *static_cast<_Base*>(this) = __x;
00102     return *this;
00103       }
00104 
00105 #ifdef __GXX_EXPERIMENTAL_CXX0X__
00106       multimap&
00107       operator=(multimap&& __x)
00108       {
00109     // NB: DR 1204.
00110     // NB: DR 675.
00111     this->clear();
00112     this->swap(__x);
00113     return *this;
00114       }
00115 
00116       multimap&
00117       operator=(initializer_list<value_type> __l)
00118       {
00119     this->clear();
00120     this->insert(__l);
00121     return *this;
00122       }
00123 #endif
00124 
00125       using _Base::get_allocator;
00126 
00127       // iterators:
00128       iterator
00129       begin()
00130       { return iterator(_Base::begin()); }
00131 
00132       const_iterator
00133       begin() const
00134       { return const_iterator(_Base::begin()); }
00135 
00136       iterator
00137       end()
00138       { return iterator(_Base::end()); }
00139 
00140       const_iterator
00141       end() const
00142       { return const_iterator(_Base::end()); }
00143 
00144       reverse_iterator
00145       rbegin()
00146       { return reverse_iterator(end()); }
00147 
00148       const_reverse_iterator
00149       rbegin() const
00150       { return const_reverse_iterator(end()); }
00151 
00152       reverse_iterator
00153       rend()
00154       { return reverse_iterator(begin()); }
00155 
00156       const_reverse_iterator
00157       rend() const
00158       { return const_reverse_iterator(begin()); }
00159 
00160 #ifdef __GXX_EXPERIMENTAL_CXX0X__
00161       const_iterator
00162       cbegin() const
00163       { return const_iterator(_Base::begin()); }
00164 
00165       const_iterator
00166       cend() const
00167       { return const_iterator(_Base::end()); }
00168 
00169       const_reverse_iterator
00170       crbegin() const
00171       { return const_reverse_iterator(end()); }
00172 
00173       const_reverse_iterator
00174       crend() const
00175       { return const_reverse_iterator(begin()); }
00176 #endif
00177 
00178       // capacity:
00179       using _Base::empty;
00180       using _Base::size;
00181       using _Base::max_size;
00182 
00183       // modifiers:
00184       iterator
00185       insert(const value_type& __x)
00186       { return iterator(_Base::insert(__x)); }
00187 
00188 #ifdef __GXX_EXPERIMENTAL_CXX0X__
00189       template<typename _Pair, typename = typename
00190            std::enable_if<std::is_convertible<_Pair,
00191                           value_type>::value>::type>
00192         iterator
00193         insert(_Pair&& __x)
00194         { return iterator(_Base::insert(std::forward<_Pair>(__x))); }
00195 #endif
00196 
00197 #ifdef __GXX_EXPERIMENTAL_CXX0X__
00198       void
00199       insert(std::initializer_list<value_type> __list)
00200       { _Base::insert(__list); }
00201 #endif
00202 
00203       iterator
00204 #ifdef __GXX_EXPERIMENTAL_CXX0X__
00205       insert(const_iterator __position, const value_type& __x)
00206 #else
00207       insert(iterator __position, const value_type& __x)
00208 #endif
00209       { return iterator(_Base::insert(__position, __x)); }
00210 
00211 #ifdef __GXX_EXPERIMENTAL_CXX0X__
00212       template<typename _Pair, typename = typename
00213            std::enable_if<std::is_convertible<_Pair,
00214                           value_type>::value>::type>
00215         iterator
00216         insert(const_iterator __position, _Pair&& __x)
00217         { return iterator(_Base::insert(__position,
00218                     std::forward<_Pair>(__x))); }
00219 #endif
00220 
00221       template<typename _InputIterator>
00222         void
00223         insert(_InputIterator __first, _InputIterator __last)
00224         { _Base::insert(__first, __last); }
00225 
00226 #ifdef __GXX_EXPERIMENTAL_CXX0X__
00227       iterator
00228       erase(const_iterator __position)
00229       { return iterator(_Base::erase(__position)); }
00230 #else
00231       void
00232       erase(iterator __position)
00233       { _Base::erase(__position); }
00234 #endif
00235 
00236       size_type
00237       erase(const key_type& __x)
00238       {
00239     std::pair<iterator, iterator> __victims = this->equal_range(__x);
00240     size_type __count = 0;
00241     while (__victims.first != __victims.second)
00242     {
00243       iterator __victim = __victims.first++;
00244       _Base::erase(__victim);
00245       ++__count;
00246     }
00247     return __count;
00248       }
00249 
00250 #ifdef __GXX_EXPERIMENTAL_CXX0X__
00251       iterator
00252       erase(const_iterator __first, const_iterator __last)
00253       { return iterator(_Base::erase(__first, __last)); }
00254 #else
00255       void
00256       erase(iterator __first, iterator __last)
00257       { _Base::erase(__first, __last); }
00258 #endif
00259 
00260       void
00261       swap(multimap& __x)
00262       { _Base::swap(__x); }
00263 
00264       void
00265       clear()
00266       { this->erase(begin(), end()); }
00267 
00268       // observers:
00269       using _Base::key_comp;
00270       using _Base::value_comp;
00271 
00272       // 23.3.1.3 multimap operations:
00273       iterator
00274       find(const key_type& __x)
00275       { return iterator(_Base::find(__x)); }
00276 
00277       const_iterator
00278       find(const key_type& __x) const
00279       { return const_iterator(_Base::find(__x)); }
00280 
00281       using _Base::count;
00282 
00283       iterator
00284       lower_bound(const key_type& __x)
00285       { return iterator(_Base::lower_bound(__x)); }
00286 
00287       const_iterator
00288       lower_bound(const key_type& __x) const
00289       { return const_iterator(_Base::lower_bound(__x)); }
00290 
00291       iterator
00292       upper_bound(const key_type& __x)
00293       { return iterator(_Base::upper_bound(__x)); }
00294 
00295       const_iterator
00296       upper_bound(const key_type& __x) const
00297       { return const_iterator(_Base::upper_bound(__x)); }
00298 
00299       std::pair<iterator,iterator>
00300       equal_range(const key_type& __x)
00301       {
00302     typedef typename _Base::iterator _Base_iterator;
00303     std::pair<_Base_iterator, _Base_iterator> __res =
00304     _Base::equal_range(__x);
00305     return std::make_pair(iterator(__res.first),
00306                   iterator(__res.second));
00307       }
00308 
00309       std::pair<const_iterator,const_iterator>
00310       equal_range(const key_type& __x) const
00311       {
00312     typedef typename _Base::const_iterator _Base_const_iterator;
00313     std::pair<_Base_const_iterator, _Base_const_iterator> __res =
00314     _Base::equal_range(__x);
00315     return std::make_pair(const_iterator(__res.first),
00316                   const_iterator(__res.second));
00317       }
00318 
00319       _Base&
00320       _M_base() { return *this; }
00321 
00322       const _Base&
00323       _M_base() const { return *this; }
00324     };
00325 
00326   template<typename _Key, typename _Tp,
00327        typename _Compare, typename _Allocator>
00328     inline bool
00329     operator==(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,
00330            const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)
00331     { return __lhs._M_base() == __rhs._M_base(); }
00332 
00333   template<typename _Key, typename _Tp,
00334        typename _Compare, typename _Allocator>
00335     inline bool
00336     operator!=(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,
00337            const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)
00338     { return __lhs._M_base() != __rhs._M_base(); }
00339 
00340   template<typename _Key, typename _Tp,
00341        typename _Compare, typename _Allocator>
00342     inline bool
00343     operator<(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,
00344           const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)
00345     { return __lhs._M_base() < __rhs._M_base(); }
00346 
00347   template<typename _Key, typename _Tp,
00348        typename _Compare, typename _Allocator>
00349     inline bool
00350     operator<=(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,
00351            const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)
00352     { return __lhs._M_base() <= __rhs._M_base(); }
00353 
00354   template<typename _Key, typename _Tp,
00355        typename _Compare, typename _Allocator>
00356     inline bool
00357     operator>=(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,
00358            const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)
00359     { return __lhs._M_base() >= __rhs._M_base(); }
00360 
00361   template<typename _Key, typename _Tp,
00362        typename _Compare, typename _Allocator>
00363     inline bool
00364     operator>(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,
00365           const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)
00366     { return __lhs._M_base() > __rhs._M_base(); }
00367 
00368   template<typename _Key, typename _Tp,
00369        typename _Compare, typename _Allocator>
00370     inline void
00371     swap(multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,
00372      multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)
00373     { __lhs.swap(__rhs); }
00374 
00375 } // namespace __profile
00376 } // namespace std
00377 
00378 #endif