1 // Profiling multimap implementation -*- C++ -*- 2 3 // Copyright (C) 2009-2014 Free Software Foundation, Inc. 4 // 5 // This file is part of the GNU ISO C++ Library. This library is free 6 // software; you can redistribute it and/or modify it under the 7 // terms of the GNU General Public License as published by the 8 // Free Software Foundation; either version 3, or (at your option) 9 // any later version. 10 11 // This library is distributed in the hope that it will be useful, 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 // GNU General Public License for more details. 15 16 // Under Section 7 of GPL version 3, you are granted additional 17 // permissions described in the GCC Runtime Library Exception, version 18 // 3.1, as published by the Free Software Foundation. 19 20 // You should have received a copy of the GNU General Public License and 21 // a copy of the GCC Runtime Library Exception along with this program; 22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23 // <http://www.gnu.org/licenses/>. 24 25 /** @file profile/multimap.h 26 * This file is a GNU profile extension to the Standard C++ Library. 27 */ 28 29 #ifndef _GLIBCXX_PROFILE_MULTIMAP_H 30 #define _GLIBCXX_PROFILE_MULTIMAP_H 1 31 32 #include <utility> 33 34 namespace std _GLIBCXX_VISIBILITY(default) 35 { 36 namespace __profile 37 { 38 /// Class std::multimap wrapper with performance instrumentation. 39 template<typename _Key, typename _Tp, typename _Compare = std::less<_Key>, 40 typename _Allocator = std::allocator<std::pair<const _Key, _Tp> > > 41 class multimap 42 : public _GLIBCXX_STD_C::multimap<_Key, _Tp, _Compare, _Allocator> 43 { 44 typedef _GLIBCXX_STD_C::multimap<_Key, _Tp, _Compare, _Allocator> _Base; 45 46 #if __cplusplus >= 201103L 47 typedef __gnu_cxx::__alloc_traits<_Allocator> _Alloc_traits; 48 #endif 49 50 public: 51 // types: 52 typedef _Key key_type; 53 typedef _Tp mapped_type; 54 typedef std::pair<const _Key, _Tp> value_type; 55 typedef _Compare key_compare; 56 typedef _Allocator allocator_type; 57 typedef typename _Base::reference reference; 58 typedef typename _Base::const_reference const_reference; 59 60 typedef typename _Base::iterator iterator; 61 typedef typename _Base::const_iterator const_iterator; 62 typedef typename _Base::reverse_iterator reverse_iterator; 63 typedef typename _Base::const_reverse_iterator const_reverse_iterator; 64 65 typedef typename _Base::size_type size_type; 66 typedef typename _Base::difference_type difference_type; 67 typedef typename _Base::pointer pointer; 68 typedef typename _Base::const_pointer const_pointer; 69 70 // 23.3.1.1 construct/copy/destroy: 71 72 multimap() 73 : _Base() { } 74 75 explicit multimap(const _Compare& __comp, 76 const _Allocator& __a = _Allocator()) 77 : _Base(__comp, __a) { } 78 79 #if __cplusplus >= 201103L 80 template<typename _InputIterator, 81 typename = std::_RequireInputIter<_InputIterator>> 82 #else 83 template<typename _InputIterator> 84 #endif 85 multimap(_InputIterator __first, _InputIterator __last, 86 const _Compare& __comp = _Compare(), 87 const _Allocator& __a = _Allocator()) 88 : _Base(__first, __last, __comp, __a) { } 89 90 #if __cplusplus < 201103L 91 multimap(const multimap& __x) 92 : _Base(__x) { } 93 #else 94 multimap(const multimap&) = default; 95 multimap(multimap&&) = default; 96 97 multimap(initializer_list<value_type> __l, 98 const _Compare& __c = _Compare(), 99 const allocator_type& __a = allocator_type()) 100 : _Base(__l, __c, __a) { } 101 102 explicit 103 multimap(const allocator_type& __a) 104 : _Base(__a) { } 105 106 multimap(const multimap& __x, const allocator_type& __a) 107 : _Base(__x, __a) { } 108 109 multimap(multimap&& __x, const allocator_type& __a) 110 noexcept(is_nothrow_copy_constructible<_Compare>::value 111 && _Alloc_traits::_S_always_equal()) 112 : _Base(std::move(__x), __a) { } 113 114 multimap(initializer_list<value_type> __l, const allocator_type& __a) 115 : _Base(__l, __a) { } 116 117 template<typename _InputIterator> 118 multimap(_InputIterator __first, _InputIterator __last, 119 const allocator_type& __a) 120 : _Base(__first, __last, __a) { } 121 #endif 122 123 multimap(const _Base& __x) 124 : _Base(__x) { } 125 126 ~multimap() _GLIBCXX_NOEXCEPT { } 127 128 #if __cplusplus < 201103L 129 multimap& 130 operator=(const multimap& __x) 131 { 132 _M_base() = __x; 133 return *this; 134 } 135 #else 136 multimap& 137 operator=(const multimap&) = default; 138 139 multimap& 140 operator=(multimap&&) = default; 141 142 multimap& 143 operator=(initializer_list<value_type> __l) 144 { 145 _M_base() = __l; 146 return *this; 147 } 148 #endif 149 150 using _Base::get_allocator; 151 152 // iterators: 153 iterator 154 begin() _GLIBCXX_NOEXCEPT 155 { return iterator(_Base::begin()); } 156 157 const_iterator 158 begin() const _GLIBCXX_NOEXCEPT 159 { return const_iterator(_Base::begin()); } 160 161 iterator 162 end() _GLIBCXX_NOEXCEPT 163 { return iterator(_Base::end()); } 164 165 const_iterator 166 end() const _GLIBCXX_NOEXCEPT 167 { return const_iterator(_Base::end()); } 168 169 reverse_iterator 170 rbegin() _GLIBCXX_NOEXCEPT 171 { return reverse_iterator(end()); } 172 173 const_reverse_iterator 174 rbegin() const _GLIBCXX_NOEXCEPT 175 { return const_reverse_iterator(end()); } 176 177 reverse_iterator 178 rend() _GLIBCXX_NOEXCEPT 179 { return reverse_iterator(begin()); } 180 181 const_reverse_iterator 182 rend() const _GLIBCXX_NOEXCEPT 183 { return const_reverse_iterator(begin()); } 184 185 #if __cplusplus >= 201103L 186 const_iterator 187 cbegin() const noexcept 188 { return const_iterator(_Base::begin()); } 189 190 const_iterator 191 cend() const noexcept 192 { return const_iterator(_Base::end()); } 193 194 const_reverse_iterator 195 crbegin() const noexcept 196 { return const_reverse_iterator(end()); } 197 198 const_reverse_iterator 199 crend() const noexcept 200 { return const_reverse_iterator(begin()); } 201 #endif 202 203 // capacity: 204 using _Base::empty; 205 using _Base::size; 206 using _Base::max_size; 207 208 // modifiers: 209 #if __cplusplus >= 201103L 210 template<typename... _Args> 211 iterator 212 emplace(_Args&&... __args) 213 { 214 return iterator(_Base::emplace(std::forward<_Args>(__args)...)); 215 } 216 217 template<typename... _Args> 218 iterator 219 emplace_hint(const_iterator __pos, _Args&&... __args) 220 { 221 return iterator(_Base::emplace_hint(__pos, 222 std::forward<_Args>(__args)...)); 223 } 224 #endif 225 226 iterator 227 insert(const value_type& __x) 228 { return iterator(_Base::insert(__x)); } 229 230 #if __cplusplus >= 201103L 231 template<typename _Pair, typename = typename 232 std::enable_if<std::is_constructible<value_type, 233 _Pair&&>::value>::type> 234 iterator 235 insert(_Pair&& __x) 236 { return iterator(_Base::insert(std::forward<_Pair>(__x))); } 237 #endif 238 239 #if __cplusplus >= 201103L 240 void 241 insert(std::initializer_list<value_type> __list) 242 { _Base::insert(__list); } 243 #endif 244 245 iterator 246 #if __cplusplus >= 201103L 247 insert(const_iterator __position, const value_type& __x) 248 #else 249 insert(iterator __position, const value_type& __x) 250 #endif 251 { return iterator(_Base::insert(__position, __x)); } 252 253 #if __cplusplus >= 201103L 254 template<typename _Pair, typename = typename 255 std::enable_if<std::is_constructible<value_type, 256 _Pair&&>::value>::type> 257 iterator 258 insert(const_iterator __position, _Pair&& __x) 259 { return iterator(_Base::insert(__position, 260 std::forward<_Pair>(__x))); } 261 #endif 262 263 #if __cplusplus >= 201103L 264 template<typename _InputIterator, 265 typename = std::_RequireInputIter<_InputIterator>> 266 #else 267 template<typename _InputIterator> 268 #endif 269 void 270 insert(_InputIterator __first, _InputIterator __last) 271 { _Base::insert(__first, __last); } 272 273 #if __cplusplus >= 201103L 274 iterator 275 erase(const_iterator __position) 276 { return iterator(_Base::erase(__position)); } 277 278 iterator 279 erase(iterator __position) 280 { return iterator(_Base::erase(__position)); } 281 #else 282 void 283 erase(iterator __position) 284 { _Base::erase(__position); } 285 #endif 286 287 size_type 288 erase(const key_type& __x) 289 { 290 std::pair<iterator, iterator> __victims = this->equal_range(__x); 291 size_type __count = 0; 292 while (__victims.first != __victims.second) 293 { 294 iterator __victim = __victims.first++; 295 _Base::erase(__victim); 296 ++__count; 297 } 298 return __count; 299 } 300 301 #if __cplusplus >= 201103L 302 iterator 303 erase(const_iterator __first, const_iterator __last) 304 { return iterator(_Base::erase(__first, __last)); } 305 #else 306 void 307 erase(iterator __first, iterator __last) 308 { _Base::erase(__first, __last); } 309 #endif 310 311 void 312 swap(multimap& __x) 313 #if __cplusplus >= 201103L 314 noexcept(_Alloc_traits::_S_nothrow_swap()) 315 #endif 316 { _Base::swap(__x); } 317 318 void 319 clear() _GLIBCXX_NOEXCEPT 320 { this->erase(begin(), end()); } 321 322 // observers: 323 using _Base::key_comp; 324 using _Base::value_comp; 325 326 // 23.3.1.3 multimap operations: 327 iterator 328 find(const key_type& __x) 329 { return iterator(_Base::find(__x)); } 330 331 const_iterator 332 find(const key_type& __x) const 333 { return const_iterator(_Base::find(__x)); } 334 335 using _Base::count; 336 337 iterator 338 lower_bound(const key_type& __x) 339 { return iterator(_Base::lower_bound(__x)); } 340 341 const_iterator 342 lower_bound(const key_type& __x) const 343 { return const_iterator(_Base::lower_bound(__x)); } 344 345 iterator 346 upper_bound(const key_type& __x) 347 { return iterator(_Base::upper_bound(__x)); } 348 349 const_iterator 350 upper_bound(const key_type& __x) const 351 { return const_iterator(_Base::upper_bound(__x)); } 352 353 std::pair<iterator,iterator> 354 equal_range(const key_type& __x) 355 { 356 typedef typename _Base::iterator _Base_iterator; 357 std::pair<_Base_iterator, _Base_iterator> __res = 358 _Base::equal_range(__x); 359 return std::make_pair(iterator(__res.first), 360 iterator(__res.second)); 361 } 362 363 std::pair<const_iterator,const_iterator> 364 equal_range(const key_type& __x) const 365 { 366 typedef typename _Base::const_iterator _Base_const_iterator; 367 std::pair<_Base_const_iterator, _Base_const_iterator> __res = 368 _Base::equal_range(__x); 369 return std::make_pair(const_iterator(__res.first), 370 const_iterator(__res.second)); 371 } 372 373 _Base& 374 _M_base() _GLIBCXX_NOEXCEPT { return *this; } 375 376 const _Base& 377 _M_base() const _GLIBCXX_NOEXCEPT { return *this; } 378 }; 379 380 template<typename _Key, typename _Tp, 381 typename _Compare, typename _Allocator> 382 inline bool 383 operator==(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs, 384 const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs) 385 { return __lhs._M_base() == __rhs._M_base(); } 386 387 template<typename _Key, typename _Tp, 388 typename _Compare, typename _Allocator> 389 inline bool 390 operator!=(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs, 391 const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs) 392 { return __lhs._M_base() != __rhs._M_base(); } 393 394 template<typename _Key, typename _Tp, 395 typename _Compare, typename _Allocator> 396 inline bool 397 operator<(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs, 398 const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs) 399 { return __lhs._M_base() < __rhs._M_base(); } 400 401 template<typename _Key, typename _Tp, 402 typename _Compare, typename _Allocator> 403 inline bool 404 operator<=(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs, 405 const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs) 406 { return __lhs._M_base() <= __rhs._M_base(); } 407 408 template<typename _Key, typename _Tp, 409 typename _Compare, typename _Allocator> 410 inline bool 411 operator>=(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs, 412 const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs) 413 { return __lhs._M_base() >= __rhs._M_base(); } 414 415 template<typename _Key, typename _Tp, 416 typename _Compare, typename _Allocator> 417 inline bool 418 operator>(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs, 419 const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs) 420 { return __lhs._M_base() > __rhs._M_base(); } 421 422 template<typename _Key, typename _Tp, 423 typename _Compare, typename _Allocator> 424 inline void 425 swap(multimap<_Key, _Tp, _Compare, _Allocator>& __lhs, 426 multimap<_Key, _Tp, _Compare, _Allocator>& __rhs) 427 { __lhs.swap(__rhs); } 428 429 } // namespace __profile 430 } // namespace std 431 432 #endif 433