mingw/lib/gcc/mingw32/4.3.3/include/c++/debug/multimap.h

   1 // Debugging multimap implementation -*- C++ -*-
   2
   3 // Copyright (C) 2003, 2004, 2005, 2006, 2007
   4 // Free Software Foundation, Inc.
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 2, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License along
  18 // with this library; see the file COPYING.  If not, write to the Free
  19 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  20 // USA.
  21
  22 // As a special exception, you may use this file as part of a free software
  23 // library without restriction.  Specifically, if other files instantiate
  24 // templates or use macros or inline functions from this file, or you compile
  25 // this file and link it with other files to produce an executable, this
  26 // file does not by itself cause the resulting executable to be covered by
  27 // the GNU General Public License.  This exception does not however
  28 // invalidate any other reasons why the executable file might be covered by
  29 // the GNU General Public License.
  30
  31 /** @file debug/multimap.h
  32  *  This file is a GNU debug extension to the Standard C++ Library.
  33  */
  34
  35 #ifndef _GLIBCXX_DEBUG_MULTIMAP_H
  36 #define _GLIBCXX_DEBUG_MULTIMAP_H 1
  37
  38 #include <debug/safe_sequence.h>
  39 #include <debug/safe_iterator.h>
  40 #include <utility>
  41
  42 namespace std
  43 {
  44 namespace __debug
  45 {
  46   template<typename _Key, typename _Tp, typename _Compare = std::less<_Key>,
  47            typename _Allocator = std::allocator<std::pair<const _Key, _Tp> > >
  48     class multimap
  49     : public _GLIBCXX_STD_D::multimap<_Key, _Tp, _Compare, _Allocator>,
  50       public __gnu_debug::_Safe_sequence<multimap<_Key, _Tp,
  51                                                   _Compare, _Allocator> >
  52     {
  53       typedef _GLIBCXX_STD_D::multimap<_Key, _Tp, _Compare, _Allocator> _Base;
  54       typedef __gnu_debug::_Safe_sequence<multimap> _Safe_base;
  55
  56     public:
  57       // types:
  58       typedef _Key                                   key_type;
  59       typedef _Tp                                    mapped_type;
  60       typedef std::pair<const _Key, _Tp>             value_type;
  61       typedef _Compare                               key_compare;
  62       typedef _Allocator                             allocator_type;
  63       typedef typename _Base::reference              reference;
  64       typedef typename _Base::const_reference        const_reference;
  65
  66       typedef __gnu_debug::_Safe_iterator<typename _Base::iterator, multimap>
  67                                                      iterator;
  68       typedef __gnu_debug::_Safe_iterator<typename _Base::const_iterator,
  69                                            multimap> const_iterator;
  70
  71       typedef typename _Base::size_type              size_type;
  72       typedef typename _Base::difference_type        difference_type;
  73       typedef typename _Base::pointer                pointer;
  74       typedef typename _Base::const_pointer          const_pointer;
  75       typedef std::reverse_iterator<iterator>        reverse_iterator;
  76       typedef std::reverse_iterator<const_iterator>  const_reverse_iterator;
  77
  78       using _Base::value_compare;
  79
  80       // 23.3.1.1 construct/copy/destroy:
  81       explicit multimap(const _Compare& __comp = _Compare(),
  82                         const _Allocator& __a = _Allocator())
  83       : _Base(__comp, __a) { }
  84
  85       template<typename _InputIterator>
  86       multimap(_InputIterator __first, _InputIterator __last,
  87                const _Compare& __comp = _Compare(),
  88                const _Allocator& __a = _Allocator())
  89       : _Base(__gnu_debug::__check_valid_range(__first, __last), __last,
  90               __comp, __a) { }
  91
  92       multimap(const multimap& __x)
  93       : _Base(__x), _Safe_base() { }
  94
  95       multimap(const _Base& __x)
  96       : _Base(__x), _Safe_base() { }
  97
  98 #ifdef __GXX_EXPERIMENTAL_CXX0X__
  99       multimap(multimap&& __x)
 100       : _Base(std::forward<multimap>(__x)), _Safe_base()
 101       { this->_M_swap(__x); }
 102 #endif
 103
 104       ~multimap() { }
 105
 106       multimap&
 107       operator=(const multimap& __x)
 108       {
 109         *static_cast<_Base*>(this) = __x;
 110         this->_M_invalidate_all();
 111         return *this;
 112       }
 113
 114 #ifdef __GXX_EXPERIMENTAL_CXX0X__
 115       multimap&
 116       operator=(multimap&& __x)
 117       {
 118         // NB: DR 675.
 119         clear();
 120         swap(__x);
 121         return *this;
 122       }
 123 #endif
 124
 125       using _Base::get_allocator;
 126
 127       // iterators:
 128       iterator
 129       begin()
 130       { return iterator(_Base::begin(), this); }
 131
 132       const_iterator
 133       begin() const
 134       { return const_iterator(_Base::begin(), this); }
 135
 136       iterator
 137       end()
 138       { return iterator(_Base::end(), this); }
 139
 140       const_iterator
 141       end() const
 142       { return const_iterator(_Base::end(), this); }
 143
 144       reverse_iterator
 145       rbegin()
 146       { return reverse_iterator(end()); }
 147
 148       const_reverse_iterator
 149       rbegin() const
 150       { return const_reverse_iterator(end()); }
 151
 152       reverse_iterator
 153       rend()
 154       { return reverse_iterator(begin()); }
 155
 156       const_reverse_iterator
 157       rend() const
 158       { return const_reverse_iterator(begin()); }
 159
 160 #ifdef __GXX_EXPERIMENTAL_CXX0X__
 161       const_iterator
 162       cbegin() const
 163       { return const_iterator(_Base::begin(), this); }
 164
 165       const_iterator
 166       cend() const
 167       { return const_iterator(_Base::end(), this); }
 168
 169       const_reverse_iterator
 170       crbegin() const
 171       { return const_reverse_iterator(end()); }
 172
 173       const_reverse_iterator
 174       crend() const
 175       { return const_reverse_iterator(begin()); }
 176 #endif
 177
 178       // capacity:
 179       using _Base::empty;
 180       using _Base::size;
 181       using _Base::max_size;
 182
 183       // modifiers:
 184       iterator
 185       insert(const value_type& __x)
 186       { return iterator(_Base::insert(__x), this); }
 187
 188       iterator
 189       insert(iterator __position, const value_type& __x)
 190       {
 191         __glibcxx_check_insert(__position);
 192         return iterator(_Base::insert(__position.base(), __x), this);
 193       }
 194
 195       template<typename _InputIterator>
 196         void
 197         insert(_InputIterator __first, _InputIterator __last)
 198         {
 199           __glibcxx_check_valid_range(__first, __last);
 200           _Base::insert(__first, __last);
 201         }
 202
 203       void
 204       erase(iterator __position)
 205       {
 206         __glibcxx_check_erase(__position);
 207         __position._M_invalidate();
 208         _Base::erase(__position.base());
 209       }
 210
 211       size_type
 212       erase(const key_type& __x)
 213       {
 214         std::pair<iterator, iterator> __victims = this->equal_range(__x);
 215         size_type __count = 0;
 216         while (__victims.first != __victims.second)
 217         {
 218           iterator __victim = __victims.first++;
 219           __victim._M_invalidate();
 220           _Base::erase(__victim.base());
 221           ++__count;
 222         }
 223         return __count;
 224       }
 225
 226       void
 227       erase(iterator __first, iterator __last)
 228       {
 229         // _GLIBCXX_RESOLVE_LIB_DEFECTS
 230         // 151. can't currently clear() empty container
 231         __glibcxx_check_erase_range(__first, __last);
 232         while (__first != __last)
 233         this->erase(__first++);
 234       }
 235
 236       void
 237 #ifdef __GXX_EXPERIMENTAL_CXX0X__
 238       swap(multimap&& __x)
 239 #else
 240       swap(multimap& __x)
 241 #endif
 242       {
 243         _Base::swap(__x);
 244         this->_M_swap(__x);
 245       }
 246
 247       void
 248       clear()
 249       { this->erase(begin(), end()); }
 250
 251       // observers:
 252       using _Base::key_comp;
 253       using _Base::value_comp;
 254
 255       // 23.3.1.3 multimap operations:
 256       iterator
 257       find(const key_type& __x)
 258       { return iterator(_Base::find(__x), this); }
 259
 260       const_iterator
 261       find(const key_type& __x) const
 262       { return const_iterator(_Base::find(__x), this); }
 263
 264       using _Base::count;
 265
 266       iterator
 267       lower_bound(const key_type& __x)
 268       { return iterator(_Base::lower_bound(__x), this); }
 269
 270       const_iterator
 271       lower_bound(const key_type& __x) const
 272       { return const_iterator(_Base::lower_bound(__x), this); }
 273
 274       iterator
 275       upper_bound(const key_type& __x)
 276       { return iterator(_Base::upper_bound(__x), this); }
 277
 278       const_iterator
 279       upper_bound(const key_type& __x) const
 280       { return const_iterator(_Base::upper_bound(__x), this); }
 281
 282       std::pair<iterator,iterator>
 283       equal_range(const key_type& __x)
 284       {
 285         typedef typename _Base::iterator _Base_iterator;
 286         std::pair<_Base_iterator, _Base_iterator> __res =
 287         _Base::equal_range(__x);
 288         return std::make_pair(iterator(__res.first, this),
 289                               iterator(__res.second, this));
 290       }
 291
 292       std::pair<const_iterator,const_iterator>
 293       equal_range(const key_type& __x) const
 294       {
 295         typedef typename _Base::const_iterator _Base_const_iterator;
 296         std::pair<_Base_const_iterator, _Base_const_iterator> __res =
 297         _Base::equal_range(__x);
 298         return std::make_pair(const_iterator(__res.first, this),
 299                               const_iterator(__res.second, this));
 300       }
 301
 302       _Base&
 303       _M_base() { return *this; }
 304
 305       const _Base&
 306       _M_base() const { return *this; }
 307
 308     private:
 309       void
 310       _M_invalidate_all()
 311       {
 312         typedef typename _Base::const_iterator _Base_const_iterator;
 313         typedef __gnu_debug::_Not_equal_to<_Base_const_iterator> _Not_equal;
 314         this->_M_invalidate_if(_Not_equal(_M_base().end()));
 315       }
 316     };
 317
 318   template<typename _Key, typename _Tp,
 319            typename _Compare, typename _Allocator>
 320     inline bool
 321     operator==(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,
 322                const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)
 323     { return __lhs._M_base() == __rhs._M_base(); }
 324
 325   template<typename _Key, typename _Tp,
 326            typename _Compare, typename _Allocator>
 327     inline bool
 328     operator!=(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,
 329                const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)
 330     { return __lhs._M_base() != __rhs._M_base(); }
 331
 332   template<typename _Key, typename _Tp,
 333            typename _Compare, typename _Allocator>
 334     inline bool
 335     operator<(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,
 336               const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)
 337     { return __lhs._M_base() < __rhs._M_base(); }
 338
 339   template<typename _Key, typename _Tp,
 340            typename _Compare, typename _Allocator>
 341     inline bool
 342     operator<=(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,
 343                const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)
 344     { return __lhs._M_base() <= __rhs._M_base(); }
 345
 346   template<typename _Key, typename _Tp,
 347            typename _Compare, typename _Allocator>
 348     inline bool
 349     operator>=(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,
 350                const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)
 351     { return __lhs._M_base() >= __rhs._M_base(); }
 352
 353   template<typename _Key, typename _Tp,
 354            typename _Compare, typename _Allocator>
 355     inline bool
 356     operator>(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,
 357               const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)
 358     { return __lhs._M_base() > __rhs._M_base(); }
 359
 360   template<typename _Key, typename _Tp,
 361            typename _Compare, typename _Allocator>
 362     inline void
 363     swap(multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,
 364          multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)
 365     { __lhs.swap(__rhs); }
 366
 367 #ifdef __GXX_EXPERIMENTAL_CXX0X__
 368   template<typename _Key, typename _Tp,
 369            typename _Compare, typename _Allocator>
 370     inline void
 371     swap(multimap<_Key, _Tp, _Compare, _Allocator>&& __lhs,
 372          multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)
 373     { __lhs.swap(__rhs); }
 374
 375   template<typename _Key, typename _Tp,
 376            typename _Compare, typename _Allocator>
 377     inline void
 378     swap(multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,
 379          multimap<_Key, _Tp, _Compare, _Allocator>&& __rhs)
 380     { __lhs.swap(__rhs); }
 381 #endif
 382
 383 } // namespace __debug
 384 } // namespace std
 385
 386 #endif