1 // Debugging multimap implementation -*- C++ -*- 2 3 // Copyright (C) 2003, 2004, 2005, 2006, 2007, 2009 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 3, 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 // Under Section 7 of GPL version 3, you are granted additional 18 // permissions described in the GCC Runtime Library Exception, version 19 // 3.1, as published by the Free Software Foundation. 20 21 // You should have received a copy of the GNU General Public License and 22 // a copy of the GCC Runtime Library Exception along with this program; 23 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 24 // <http://www.gnu.org/licenses/>. 25 26 /** @file debug/multimap.h 27 * This file is a GNU debug extension to the Standard C++ Library. 28 */ 29 30 #ifndef _GLIBCXX_DEBUG_MULTIMAP_H 31 #define _GLIBCXX_DEBUG_MULTIMAP_H 1 32 33 #include <debug/safe_sequence.h> 34 #include <debug/safe_iterator.h> 35 #include <utility> 36 37 namespace std 38 { 39 namespace __debug 40 { 41 template<typename _Key, typename _Tp, typename _Compare = std::less<_Key>, 42 typename _Allocator = std::allocator<std::pair<const _Key, _Tp> > > 43 class multimap 44 : public _GLIBCXX_STD_D::multimap<_Key, _Tp, _Compare, _Allocator>, 45 public __gnu_debug::_Safe_sequence<multimap<_Key, _Tp, 46 _Compare, _Allocator> > 47 { 48 typedef _GLIBCXX_STD_D::multimap<_Key, _Tp, _Compare, _Allocator> _Base; 49 typedef __gnu_debug::_Safe_sequence<multimap> _Safe_base; 50 51 public: 52 // types: 53 typedef _Key key_type; 54 typedef _Tp mapped_type; 55 typedef std::pair<const _Key, _Tp> value_type; 56 typedef _Compare key_compare; 57 typedef _Allocator allocator_type; 58 typedef typename _Base::reference reference; 59 typedef typename _Base::const_reference const_reference; 60 61 typedef __gnu_debug::_Safe_iterator<typename _Base::iterator, multimap> 62 iterator; 63 typedef __gnu_debug::_Safe_iterator<typename _Base::const_iterator, 64 multimap> const_iterator; 65 66 typedef typename _Base::size_type size_type; 67 typedef typename _Base::difference_type difference_type; 68 typedef typename _Base::pointer pointer; 69 typedef typename _Base::const_pointer const_pointer; 70 typedef std::reverse_iterator<iterator> reverse_iterator; 71 typedef std::reverse_iterator<const_iterator> const_reverse_iterator; 72 73 using _Base::value_compare; 74 75 // 23.3.1.1 construct/copy/destroy: 76 explicit multimap(const _Compare& __comp = _Compare(), 77 const _Allocator& __a = _Allocator()) 78 : _Base(__comp, __a) { } 79 80 template<typename _InputIterator> 81 multimap(_InputIterator __first, _InputIterator __last, 82 const _Compare& __comp = _Compare(), 83 const _Allocator& __a = _Allocator()) 84 : _Base(__gnu_debug::__check_valid_range(__first, __last), __last, 85 __comp, __a) { } 86 87 multimap(const multimap& __x) 88 : _Base(__x), _Safe_base() { } 89 90 multimap(const _Base& __x) 91 : _Base(__x), _Safe_base() { } 92 93 #ifdef __GXX_EXPERIMENTAL_CXX0X__ 94 multimap(multimap&& __x) 95 : _Base(std::forward<multimap>(__x)), _Safe_base() 96 { this->_M_swap(__x); } 97 98 multimap(initializer_list<value_type> __l, 99 const _Compare& __c = _Compare(), 100 const allocator_type& __a = allocator_type()) 101 : _Base(__l, __c, __a), _Safe_base() { } 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 } 123 124 multimap& 125 operator=(initializer_list<value_type> __l) 126 { 127 this->clear(); 128 this->insert(__l); 129 return *this; 130 } 131 #endif 132 133 using _Base::get_allocator; 134 135 // iterators: 136 iterator 137 begin() 138 { return iterator(_Base::begin(), this); } 139 140 const_iterator 141 begin() const 142 { return const_iterator(_Base::begin(), this); } 143 144 iterator 145 end() 146 { return iterator(_Base::end(), this); } 147 148 const_iterator 149 end() const 150 { return const_iterator(_Base::end(), this); } 151 152 reverse_iterator 153 rbegin() 154 { return reverse_iterator(end()); } 155 156 const_reverse_iterator 157 rbegin() const 158 { return const_reverse_iterator(end()); } 159 160 reverse_iterator 161 rend() 162 { return reverse_iterator(begin()); } 163 164 const_reverse_iterator 165 rend() const 166 { return const_reverse_iterator(begin()); } 167 168 #ifdef __GXX_EXPERIMENTAL_CXX0X__ 169 const_iterator 170 cbegin() const 171 { return const_iterator(_Base::begin(), this); } 172 173 const_iterator 174 cend() const 175 { return const_iterator(_Base::end(), this); } 176 177 const_reverse_iterator 178 crbegin() const 179 { return const_reverse_iterator(end()); } 180 181 const_reverse_iterator 182 crend() const 183 { return const_reverse_iterator(begin()); } 184 #endif 185 186 // capacity: 187 using _Base::empty; 188 using _Base::size; 189 using _Base::max_size; 190 191 // modifiers: 192 iterator 193 insert(const value_type& __x) 194 { return iterator(_Base::insert(__x), this); } 195 196 #ifdef __GXX_EXPERIMENTAL_CXX0X__ 197 void 198 insert(std::initializer_list<value_type> __list) 199 { _Base::insert(__list); } 200 #endif 201 202 iterator 203 insert(iterator __position, const value_type& __x) 204 { 205 __glibcxx_check_insert(__position); 206 return iterator(_Base::insert(__position.base(), __x), this); 207 } 208 209 template<typename _InputIterator> 210 void 211 insert(_InputIterator __first, _InputIterator __last) 212 { 213 __glibcxx_check_valid_range(__first, __last); 214 _Base::insert(__first, __last); 215 } 216 217 void 218 erase(iterator __position) 219 { 220 __glibcxx_check_erase(__position); 221 __position._M_invalidate(); 222 _Base::erase(__position.base()); 223 } 224 225 size_type 226 erase(const key_type& __x) 227 { 228 std::pair<iterator, iterator> __victims = this->equal_range(__x); 229 size_type __count = 0; 230 while (__victims.first != __victims.second) 231 { 232 iterator __victim = __victims.first++; 233 __victim._M_invalidate(); 234 _Base::erase(__victim.base()); 235 ++__count; 236 } 237 return __count; 238 } 239 240 void 241 erase(iterator __first, iterator __last) 242 { 243 // _GLIBCXX_RESOLVE_LIB_DEFECTS 244 // 151. can't currently clear() empty container 245 __glibcxx_check_erase_range(__first, __last); 246 while (__first != __last) 247 this->erase(__first++); 248 } 249 250 void 251 #ifdef __GXX_EXPERIMENTAL_CXX0X__ 252 swap(multimap&& __x) 253 #else 254 swap(multimap& __x) 255 #endif 256 { 257 _Base::swap(__x); 258 this->_M_swap(__x); 259 } 260 261 void 262 clear() 263 { this->erase(begin(), end()); } 264 265 // observers: 266 using _Base::key_comp; 267 using _Base::value_comp; 268 269 // 23.3.1.3 multimap operations: 270 iterator 271 find(const key_type& __x) 272 { return iterator(_Base::find(__x), this); } 273 274 const_iterator 275 find(const key_type& __x) const 276 { return const_iterator(_Base::find(__x), this); } 277 278 using _Base::count; 279 280 iterator 281 lower_bound(const key_type& __x) 282 { return iterator(_Base::lower_bound(__x), this); } 283 284 const_iterator 285 lower_bound(const key_type& __x) const 286 { return const_iterator(_Base::lower_bound(__x), this); } 287 288 iterator 289 upper_bound(const key_type& __x) 290 { return iterator(_Base::upper_bound(__x), this); } 291 292 const_iterator 293 upper_bound(const key_type& __x) const 294 { return const_iterator(_Base::upper_bound(__x), this); } 295 296 std::pair<iterator,iterator> 297 equal_range(const key_type& __x) 298 { 299 typedef typename _Base::iterator _Base_iterator; 300 std::pair<_Base_iterator, _Base_iterator> __res = 301 _Base::equal_range(__x); 302 return std::make_pair(iterator(__res.first, this), 303 iterator(__res.second, this)); 304 } 305 306 std::pair<const_iterator,const_iterator> 307 equal_range(const key_type& __x) const 308 { 309 typedef typename _Base::const_iterator _Base_const_iterator; 310 std::pair<_Base_const_iterator, _Base_const_iterator> __res = 311 _Base::equal_range(__x); 312 return std::make_pair(const_iterator(__res.first, this), 313 const_iterator(__res.second, this)); 314 } 315 316 _Base& 317 _M_base() { return *this; } 318 319 const _Base& 320 _M_base() const { return *this; } 321 322 private: 323 void 324 _M_invalidate_all() 325 { 326 typedef typename _Base::const_iterator _Base_const_iterator; 327 typedef __gnu_debug::_Not_equal_to<_Base_const_iterator> _Not_equal; 328 this->_M_invalidate_if(_Not_equal(_M_base().end())); 329 } 330 }; 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 bool 363 operator>=(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs, 364 const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs) 365 { return __lhs._M_base() >= __rhs._M_base(); } 366 367 template<typename _Key, typename _Tp, 368 typename _Compare, typename _Allocator> 369 inline bool 370 operator>(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs, 371 const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs) 372 { return __lhs._M_base() > __rhs._M_base(); } 373 374 template<typename _Key, typename _Tp, 375 typename _Compare, typename _Allocator> 376 inline void 377 swap(multimap<_Key, _Tp, _Compare, _Allocator>& __lhs, 378 multimap<_Key, _Tp, _Compare, _Allocator>& __rhs) 379 { __lhs.swap(__rhs); } 380 381 #ifdef __GXX_EXPERIMENTAL_CXX0X__ 382 template<typename _Key, typename _Tp, 383 typename _Compare, typename _Allocator> 384 inline void 385 swap(multimap<_Key, _Tp, _Compare, _Allocator>&& __lhs, 386 multimap<_Key, _Tp, _Compare, _Allocator>& __rhs) 387 { __lhs.swap(__rhs); } 388 389 template<typename _Key, typename _Tp, 390 typename _Compare, typename _Allocator> 391 inline void 392 swap(multimap<_Key, _Tp, _Compare, _Allocator>& __lhs, 393 multimap<_Key, _Tp, _Compare, _Allocator>&& __rhs) 394 { __lhs.swap(__rhs); } 395 #endif 396 397 } // namespace __debug 398 } // namespace std 399 400 #endif 401
