1 | |
2 | |
3 | |
4 | |
5 | |
6 | |
7 | |
8 | |
9 | |
10 | |
11 | |
12 | |
13 | |
14 | |
15 | |
16 | |
17 | |
18 | |
19 | |
20 | |
21 | |
22 | |
23 | |
24 | |
25 | |
26 | |
27 | |
28 | |
29 | |
30 | #ifndef _FORWARD_LIST_TCC |
31 | #define _FORWARD_LIST_TCC 1 |
32 | |
33 | namespace std _GLIBCXX_VISIBILITY(default) |
34 | { |
35 | _GLIBCXX_BEGIN_NAMESPACE_CONTAINER |
36 | |
37 | template<typename _Tp, typename _Alloc> |
38 | _Fwd_list_base<_Tp, _Alloc>:: |
39 | _Fwd_list_base(_Fwd_list_base&& __lst, _Node_alloc_type&& __a) |
40 | : _M_impl(std::move(__a)) |
41 | { |
42 | if (__lst._M_get_Node_allocator() == _M_get_Node_allocator()) |
43 | { |
44 | this->_M_impl._M_head._M_next = __lst._M_impl._M_head._M_next; |
45 | __lst._M_impl._M_head._M_next = 0; |
46 | } |
47 | else |
48 | this->_M_impl._M_head._M_next = 0; |
49 | } |
50 | |
51 | template<typename _Tp, typename _Alloc> |
52 | template<typename... _Args> |
53 | _Fwd_list_node_base* |
54 | _Fwd_list_base<_Tp, _Alloc>:: |
55 | _M_insert_after(const_iterator __pos, _Args&&... __args) |
56 | { |
57 | _Fwd_list_node_base* __to |
58 | = const_cast<_Fwd_list_node_base*>(__pos._M_node); |
59 | _Node* __thing = _M_create_node(std::forward<_Args>(__args)...); |
60 | __thing->_M_next = __to->_M_next; |
61 | __to->_M_next = __thing; |
62 | return __to->_M_next; |
63 | } |
64 | |
65 | template<typename _Tp, typename _Alloc> |
66 | _Fwd_list_node_base* |
67 | _Fwd_list_base<_Tp, _Alloc>:: |
68 | _M_erase_after(_Fwd_list_node_base* __pos) |
69 | { |
70 | _Node* __curr = static_cast<_Node*>(__pos->_M_next); |
71 | __pos->_M_next = __curr->_M_next; |
72 | _Node_alloc_traits::destroy(_M_get_Node_allocator(), |
73 | __curr->_M_valptr()); |
74 | __curr->~_Node(); |
75 | _M_put_node(__curr); |
76 | return __pos->_M_next; |
77 | } |
78 | |
79 | template<typename _Tp, typename _Alloc> |
80 | _Fwd_list_node_base* |
81 | _Fwd_list_base<_Tp, _Alloc>:: |
82 | _M_erase_after(_Fwd_list_node_base* __pos, |
83 | _Fwd_list_node_base* __last) |
84 | { |
85 | _Node* __curr = static_cast<_Node*>(__pos->_M_next); |
86 | while (__curr != __last) |
87 | { |
88 | _Node* __temp = __curr; |
89 | __curr = static_cast<_Node*>(__curr->_M_next); |
90 | _Node_alloc_traits::destroy(_M_get_Node_allocator(), |
91 | __temp->_M_valptr()); |
92 | __temp->~_Node(); |
93 | _M_put_node(__temp); |
94 | } |
95 | __pos->_M_next = __last; |
96 | return __last; |
97 | } |
98 | |
99 | |
100 | template<typename _Tp, typename _Alloc> |
101 | template<typename _InputIterator> |
102 | void |
103 | forward_list<_Tp, _Alloc>:: |
104 | _M_range_initialize(_InputIterator __first, _InputIterator __last) |
105 | { |
106 | _Node_base* __to = &this->_M_impl._M_head; |
107 | for (; __first != __last; ++__first) |
108 | { |
109 | __to->_M_next = this->_M_create_node(*__first); |
110 | __to = __to->_M_next; |
111 | } |
112 | } |
113 | |
114 | |
115 | template<typename _Tp, typename _Alloc> |
116 | void |
117 | forward_list<_Tp, _Alloc>:: |
118 | _M_fill_initialize(size_type __n, const value_type& __value) |
119 | { |
120 | _Node_base* __to = &this->_M_impl._M_head; |
121 | for (; __n; --__n) |
122 | { |
123 | __to->_M_next = this->_M_create_node(__value); |
124 | __to = __to->_M_next; |
125 | } |
126 | } |
127 | |
128 | template<typename _Tp, typename _Alloc> |
129 | void |
130 | forward_list<_Tp, _Alloc>:: |
131 | _M_default_initialize(size_type __n) |
132 | { |
133 | _Node_base* __to = &this->_M_impl._M_head; |
134 | for (; __n; --__n) |
135 | { |
136 | __to->_M_next = this->_M_create_node(); |
137 | __to = __to->_M_next; |
138 | } |
139 | } |
140 | |
141 | template<typename _Tp, typename _Alloc> |
142 | forward_list<_Tp, _Alloc>& |
143 | forward_list<_Tp, _Alloc>:: |
144 | operator=(const forward_list& __list) |
145 | { |
146 | if (std::__addressof(__list) != this) |
147 | { |
148 | if (_Node_alloc_traits::_S_propagate_on_copy_assign()) |
149 | { |
150 | auto& __this_alloc = this->_M_get_Node_allocator(); |
151 | auto& __that_alloc = __list._M_get_Node_allocator(); |
152 | if (!_Node_alloc_traits::_S_always_equal() |
153 | && __this_alloc != __that_alloc) |
154 | { |
155 | |
156 | clear(); |
157 | } |
158 | std::__alloc_on_copy(__this_alloc, __that_alloc); |
159 | } |
160 | assign(__list.cbegin(), __list.cend()); |
161 | } |
162 | return *this; |
163 | } |
164 | |
165 | template<typename _Tp, typename _Alloc> |
166 | void |
167 | forward_list<_Tp, _Alloc>:: |
168 | _M_default_insert_after(const_iterator __pos, size_type __n) |
169 | { |
170 | const_iterator __saved_pos = __pos; |
171 | __try |
172 | { |
173 | for (; __n; --__n) |
174 | __pos = emplace_after(__pos); |
175 | } |
176 | __catch(...) |
177 | { |
178 | erase_after(__saved_pos, ++__pos); |
179 | __throw_exception_again; |
180 | } |
181 | } |
182 | |
183 | template<typename _Tp, typename _Alloc> |
184 | void |
185 | forward_list<_Tp, _Alloc>:: |
186 | resize(size_type __sz) |
187 | { |
188 | iterator __k = before_begin(); |
189 | |
190 | size_type __len = 0; |
191 | while (__k._M_next() != end() && __len < __sz) |
192 | { |
193 | ++__k; |
194 | ++__len; |
195 | } |
196 | if (__len == __sz) |
197 | erase_after(__k, end()); |
198 | else |
199 | _M_default_insert_after(__k, __sz - __len); |
200 | } |
201 | |
202 | template<typename _Tp, typename _Alloc> |
203 | void |
204 | forward_list<_Tp, _Alloc>:: |
205 | resize(size_type __sz, const value_type& __val) |
206 | { |
207 | iterator __k = before_begin(); |
208 | |
209 | size_type __len = 0; |
210 | while (__k._M_next() != end() && __len < __sz) |
211 | { |
212 | ++__k; |
213 | ++__len; |
214 | } |
215 | if (__len == __sz) |
216 | erase_after(__k, end()); |
217 | else |
218 | insert_after(__k, __sz - __len, __val); |
219 | } |
220 | |
221 | template<typename _Tp, typename _Alloc> |
222 | typename forward_list<_Tp, _Alloc>::iterator |
223 | forward_list<_Tp, _Alloc>:: |
224 | _M_splice_after(const_iterator __pos, |
225 | const_iterator __before, const_iterator __last) |
226 | { |
227 | _Node_base* __tmp = const_cast<_Node_base*>(__pos._M_node); |
228 | _Node_base* __b = const_cast<_Node_base*>(__before._M_node); |
229 | _Node_base* __end = __b; |
230 | |
231 | while (__end && __end->_M_next != __last._M_node) |
232 | __end = __end->_M_next; |
233 | |
234 | if (__b != __end) |
235 | return iterator(__tmp->_M_transfer_after(__b, __end)); |
236 | else |
237 | return iterator(__tmp); |
238 | } |
239 | |
240 | template<typename _Tp, typename _Alloc> |
241 | void |
242 | forward_list<_Tp, _Alloc>:: |
243 | splice_after(const_iterator __pos, forward_list&&, |
244 | const_iterator __i) noexcept |
245 | { |
246 | const_iterator __j = __i; |
247 | ++__j; |
248 | |
249 | if (__pos == __i || __pos == __j) |
250 | return; |
251 | |
252 | _Node_base* __tmp = const_cast<_Node_base*>(__pos._M_node); |
253 | __tmp->_M_transfer_after(const_cast<_Node_base*>(__i._M_node), |
254 | const_cast<_Node_base*>(__j._M_node)); |
255 | } |
256 | |
257 | template<typename _Tp, typename _Alloc> |
258 | typename forward_list<_Tp, _Alloc>::iterator |
259 | forward_list<_Tp, _Alloc>:: |
260 | insert_after(const_iterator __pos, size_type __n, const _Tp& __val) |
261 | { |
262 | if (__n) |
263 | { |
264 | forward_list __tmp(__n, __val, get_allocator()); |
265 | return _M_splice_after(__pos, __tmp.before_begin(), __tmp.end()); |
266 | } |
267 | else |
268 | return iterator(const_cast<_Node_base*>(__pos._M_node)); |
269 | } |
270 | |
271 | template<typename _Tp, typename _Alloc> |
272 | template<typename _InputIterator, typename> |
273 | typename forward_list<_Tp, _Alloc>::iterator |
274 | forward_list<_Tp, _Alloc>:: |
275 | insert_after(const_iterator __pos, |
276 | _InputIterator __first, _InputIterator __last) |
277 | { |
278 | forward_list __tmp(__first, __last, get_allocator()); |
279 | if (!__tmp.empty()) |
280 | return _M_splice_after(__pos, __tmp.before_begin(), __tmp.end()); |
281 | else |
282 | return iterator(const_cast<_Node_base*>(__pos._M_node)); |
283 | } |
284 | |
285 | template<typename _Tp, typename _Alloc> |
286 | void |
287 | forward_list<_Tp, _Alloc>:: |
288 | remove(const _Tp& __val) |
289 | { |
290 | _Node_base* __curr = &this->_M_impl._M_head; |
291 | _Node_base* = nullptr; |
292 | |
293 | while (_Node* __tmp = static_cast<_Node*>(__curr->_M_next)) |
294 | { |
295 | if (*__tmp->_M_valptr() == __val) |
296 | { |
297 | if (__tmp->_M_valptr() != std::__addressof(__val)) |
298 | { |
299 | this->_M_erase_after(__curr); |
300 | continue; |
301 | } |
302 | else |
303 | __extra = __curr; |
304 | } |
305 | __curr = __curr->_M_next; |
306 | } |
307 | |
308 | if (__extra) |
309 | this->_M_erase_after(__extra); |
310 | } |
311 | |
312 | template<typename _Tp, typename _Alloc> |
313 | template<typename _Pred> |
314 | void |
315 | forward_list<_Tp, _Alloc>:: |
316 | remove_if(_Pred __pred) |
317 | { |
318 | _Node_base* __curr = &this->_M_impl._M_head; |
319 | while (_Node* __tmp = static_cast<_Node*>(__curr->_M_next)) |
320 | { |
321 | if (__pred(*__tmp->_M_valptr())) |
322 | this->_M_erase_after(__curr); |
323 | else |
324 | __curr = __curr->_M_next; |
325 | } |
326 | } |
327 | |
328 | template<typename _Tp, typename _Alloc> |
329 | template<typename _BinPred> |
330 | void |
331 | forward_list<_Tp, _Alloc>:: |
332 | unique(_BinPred __binary_pred) |
333 | { |
334 | iterator __first = begin(); |
335 | iterator __last = end(); |
336 | if (__first == __last) |
337 | return; |
338 | iterator __next = __first; |
339 | while (++__next != __last) |
340 | { |
341 | if (__binary_pred(*__first, *__next)) |
342 | erase_after(__first); |
343 | else |
344 | __first = __next; |
345 | __next = __first; |
346 | } |
347 | } |
348 | |
349 | template<typename _Tp, typename _Alloc> |
350 | template<typename _Comp> |
351 | void |
352 | forward_list<_Tp, _Alloc>:: |
353 | merge(forward_list&& __list, _Comp __comp) |
354 | { |
355 | _Node_base* __node = &this->_M_impl._M_head; |
356 | while (__node->_M_next && __list._M_impl._M_head._M_next) |
357 | { |
358 | if (__comp(*static_cast<_Node*> |
359 | (__list._M_impl._M_head._M_next)->_M_valptr(), |
360 | *static_cast<_Node*> |
361 | (__node->_M_next)->_M_valptr())) |
362 | __node->_M_transfer_after(&__list._M_impl._M_head, |
363 | __list._M_impl._M_head._M_next); |
364 | __node = __node->_M_next; |
365 | } |
366 | if (__list._M_impl._M_head._M_next) |
367 | { |
368 | __node->_M_next = __list._M_impl._M_head._M_next; |
369 | __list._M_impl._M_head._M_next = 0; |
370 | } |
371 | } |
372 | |
373 | template<typename _Tp, typename _Alloc> |
374 | bool |
375 | operator==(const forward_list<_Tp, _Alloc>& __lx, |
376 | const forward_list<_Tp, _Alloc>& __ly) |
377 | { |
378 | |
379 | |
380 | auto __ix = __lx.cbegin(); |
381 | auto __iy = __ly.cbegin(); |
382 | while (__ix != __lx.cend() && __iy != __ly.cend()) |
383 | { |
384 | if (!(*__ix == *__iy)) |
385 | return false; |
386 | ++__ix; |
387 | ++__iy; |
388 | } |
389 | if (__ix == __lx.cend() && __iy == __ly.cend()) |
390 | return true; |
391 | else |
392 | return false; |
393 | } |
394 | |
395 | template<typename _Tp, class _Alloc> |
396 | template<typename _Comp> |
397 | void |
398 | forward_list<_Tp, _Alloc>:: |
399 | sort(_Comp __comp) |
400 | { |
401 | |
402 | _Node* __list = static_cast<_Node*>(this->_M_impl._M_head._M_next); |
403 | if (!__list) |
404 | return; |
405 | |
406 | unsigned long __insize = 1; |
407 | |
408 | while (1) |
409 | { |
410 | _Node* __p = __list; |
411 | __list = 0; |
412 | _Node* __tail = 0; |
413 | |
414 | |
415 | unsigned long __nmerges = 0; |
416 | |
417 | while (__p) |
418 | { |
419 | ++__nmerges; |
420 | |
421 | |
422 | _Node* __q = __p; |
423 | unsigned long __psize = 0; |
424 | for (unsigned long __i = 0; __i < __insize; ++__i) |
425 | { |
426 | ++__psize; |
427 | __q = static_cast<_Node*>(__q->_M_next); |
428 | if (!__q) |
429 | break; |
430 | } |
431 | |
432 | |
433 | unsigned long __qsize = __insize; |
434 | |
435 | |
436 | while (__psize > 0 || (__qsize > 0 && __q)) |
437 | { |
438 | |
439 | _Node* __e; |
440 | if (__psize == 0) |
441 | { |
442 | |
443 | __e = __q; |
444 | __q = static_cast<_Node*>(__q->_M_next); |
445 | --__qsize; |
446 | } |
447 | else if (__qsize == 0 || !__q) |
448 | { |
449 | |
450 | __e = __p; |
451 | __p = static_cast<_Node*>(__p->_M_next); |
452 | --__psize; |
453 | } |
454 | else if (!__comp(*__q->_M_valptr(), *__p->_M_valptr())) |
455 | { |
456 | |
457 | __e = __p; |
458 | __p = static_cast<_Node*>(__p->_M_next); |
459 | --__psize; |
460 | } |
461 | else |
462 | { |
463 | |
464 | __e = __q; |
465 | __q = static_cast<_Node*>(__q->_M_next); |
466 | --__qsize; |
467 | } |
468 | |
469 | |
470 | if (__tail) |
471 | __tail->_M_next = __e; |
472 | else |
473 | __list = __e; |
474 | __tail = __e; |
475 | } |
476 | |
477 | |
478 | __p = __q; |
479 | } |
480 | __tail->_M_next = 0; |
481 | |
482 | |
483 | |
484 | if (__nmerges <= 1) |
485 | { |
486 | this->_M_impl._M_head._M_next = __list; |
487 | return; |
488 | } |
489 | |
490 | |
491 | __insize *= 2; |
492 | } |
493 | } |
494 | |
495 | _GLIBCXX_END_NAMESPACE_CONTAINER |
496 | } |
497 | |
498 | #endif |
499 | |
500 | |