string revision 1.1.1.4 1 // Debugging string implementation -*- C++ -*-
2
3 // Copyright (C) 2003-2015 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 debug/string
26 * This file is a GNU debug extension to the Standard C++ Library.
27 */
28
29 #ifndef _GLIBCXX_DEBUG_STRING
30 #define _GLIBCXX_DEBUG_STRING 1
31
32 #include <string>
33 #include <debug/safe_sequence.h>
34 #include <debug/safe_container.h>
35 #include <debug/safe_iterator.h>
36
37 namespace __gnu_debug
38 {
39 /// Class std::basic_string with safety/checking/debug instrumentation.
40 template<typename _CharT, typename _Traits = std::char_traits<_CharT>,
41 typename _Allocator = std::allocator<_CharT> >
42 class basic_string
43 : public __gnu_debug::_Safe_container<
44 basic_string<_CharT, _Traits, _Allocator>,
45 _Allocator, _Safe_sequence, bool(_GLIBCXX_USE_CXX11_ABI)>,
46 public std::basic_string<_CharT, _Traits, _Allocator>
47 {
48 typedef std::basic_string<_CharT, _Traits, _Allocator> _Base;
49 typedef __gnu_debug::_Safe_container<
50 basic_string, _Allocator, _Safe_sequence, bool(_GLIBCXX_USE_CXX11_ABI)>
51 _Safe;
52
53 public:
54 // types:
55 typedef _Traits traits_type;
56 typedef typename _Traits::char_type value_type;
57 typedef _Allocator allocator_type;
58 typedef typename _Base::size_type size_type;
59 typedef typename _Base::difference_type difference_type;
60 typedef typename _Base::reference reference;
61 typedef typename _Base::const_reference const_reference;
62 typedef typename _Base::pointer pointer;
63 typedef typename _Base::const_pointer const_pointer;
64
65 typedef __gnu_debug::_Safe_iterator<
66 typename _Base::iterator, basic_string> iterator;
67 typedef __gnu_debug::_Safe_iterator<
68 typename _Base::const_iterator, basic_string> const_iterator;
69
70 typedef std::reverse_iterator<iterator> reverse_iterator;
71 typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
72
73 using _Base::npos;
74
75 basic_string()
76 #if __cplusplus >= 201103L
77 noexcept(std::is_nothrow_default_constructible<_Base>::value)
78 #endif
79 : _Base() { }
80
81 // 21.3.1 construct/copy/destroy:
82 explicit
83 basic_string(const _Allocator& __a) _GLIBCXX_NOEXCEPT
84 : _Base(__a) { }
85
86 #if __cplusplus < 201103L
87 basic_string(const basic_string& __str)
88 : _Base(__str) { }
89
90 ~basic_string() { }
91 #else
92 basic_string(const basic_string&) = default;
93 basic_string(basic_string&&) = default;
94
95 basic_string(std::initializer_list<_CharT> __l,
96 const _Allocator& __a = _Allocator())
97 : _Base(__l, __a)
98 { }
99
100 #if _GLIBCXX_USE_CXX11_ABI
101 basic_string(const basic_string& __s, const _Allocator& __a)
102 : _Base(__s, __a) { }
103
104 basic_string(basic_string&& __s, const _Allocator& __a)
105 : _Base(std::move(__s), __a) { }
106 #endif
107
108 ~basic_string() = default;
109
110 // Provides conversion from a normal-mode string to a debug-mode string
111 basic_string(_Base&& __base) noexcept
112 : _Base(std::move(__base)) { }
113 #endif // C++11
114
115 // Provides conversion from a normal-mode string to a debug-mode string
116 basic_string(const _Base& __base)
117 : _Base(__base) { }
118
119 // _GLIBCXX_RESOLVE_LIB_DEFECTS
120 // 42. string ctors specify wrong default allocator
121 basic_string(const basic_string& __str, size_type __pos,
122 size_type __n = _Base::npos,
123 const _Allocator& __a = _Allocator())
124 : _Base(__str, __pos, __n, __a) { }
125
126 basic_string(const _CharT* __s, size_type __n,
127 const _Allocator& __a = _Allocator())
128 : _Base(__gnu_debug::__check_string(__s, __n), __n, __a) { }
129
130 basic_string(const _CharT* __s, const _Allocator& __a = _Allocator())
131 : _Base(__gnu_debug::__check_string(__s), __a)
132 { this->assign(__s); }
133
134 basic_string(size_type __n, _CharT __c,
135 const _Allocator& __a = _Allocator())
136 : _Base(__n, __c, __a) { }
137
138 template<typename _InputIterator>
139 basic_string(_InputIterator __begin, _InputIterator __end,
140 const _Allocator& __a = _Allocator())
141 : _Base(__gnu_debug::__base(__gnu_debug::__check_valid_range(__begin,
142 __end)),
143 __gnu_debug::__base(__end), __a) { }
144
145 #if __cplusplus < 201103L
146 basic_string&
147 operator=(const basic_string& __str)
148 {
149 this->_M_safe() = __str;
150 _M_base() = __str;
151 return *this;
152 }
153 #else
154 basic_string&
155 operator=(const basic_string&) = default;
156
157 basic_string&
158 operator=(basic_string&&) = default;
159 #endif
160
161 basic_string&
162 operator=(const _CharT* __s)
163 {
164 __glibcxx_check_string(__s);
165 _M_base() = __s;
166 this->_M_invalidate_all();
167 return *this;
168 }
169
170 basic_string&
171 operator=(_CharT __c)
172 {
173 _M_base() = __c;
174 this->_M_invalidate_all();
175 return *this;
176 }
177
178 #if __cplusplus >= 201103L
179 basic_string&
180 operator=(std::initializer_list<_CharT> __l)
181 {
182 _M_base() = __l;
183 this->_M_invalidate_all();
184 return *this;
185 }
186 #endif // C++11
187
188 // 21.3.2 iterators:
189 iterator
190 begin() // _GLIBCXX_NOEXCEPT
191 { return iterator(_Base::begin(), this); }
192
193 const_iterator
194 begin() const _GLIBCXX_NOEXCEPT
195 { return const_iterator(_Base::begin(), this); }
196
197 iterator
198 end() // _GLIBCXX_NOEXCEPT
199 { return iterator(_Base::end(), this); }
200
201 const_iterator
202 end() const _GLIBCXX_NOEXCEPT
203 { return const_iterator(_Base::end(), this); }
204
205 reverse_iterator
206 rbegin() // _GLIBCXX_NOEXCEPT
207 { return reverse_iterator(end()); }
208
209 const_reverse_iterator
210 rbegin() const _GLIBCXX_NOEXCEPT
211 { return const_reverse_iterator(end()); }
212
213 reverse_iterator
214 rend() // _GLIBCXX_NOEXCEPT
215 { return reverse_iterator(begin()); }
216
217 const_reverse_iterator
218 rend() const _GLIBCXX_NOEXCEPT
219 { return const_reverse_iterator(begin()); }
220
221 #if __cplusplus >= 201103L
222 const_iterator
223 cbegin() const noexcept
224 { return const_iterator(_Base::begin(), this); }
225
226 const_iterator
227 cend() const noexcept
228 { return const_iterator(_Base::end(), this); }
229
230 const_reverse_iterator
231 crbegin() const noexcept
232 { return const_reverse_iterator(end()); }
233
234 const_reverse_iterator
235 crend() const noexcept
236 { return const_reverse_iterator(begin()); }
237 #endif
238
239 // 21.3.3 capacity:
240 using _Base::size;
241 using _Base::length;
242 using _Base::max_size;
243
244 void
245 resize(size_type __n, _CharT __c)
246 {
247 _Base::resize(__n, __c);
248 this->_M_invalidate_all();
249 }
250
251 void
252 resize(size_type __n)
253 { this->resize(__n, _CharT()); }
254
255 #if __cplusplus >= 201103L
256 void
257 shrink_to_fit() noexcept
258 {
259 if (capacity() > size())
260 {
261 __try
262 {
263 reserve(0);
264 this->_M_invalidate_all();
265 }
266 __catch(...)
267 { }
268 }
269 }
270 #endif
271
272 using _Base::capacity;
273 using _Base::reserve;
274
275 void
276 clear() // _GLIBCXX_NOEXCEPT
277 {
278 _Base::clear();
279 this->_M_invalidate_all();
280 }
281
282 using _Base::empty;
283
284 // 21.3.4 element access:
285 const_reference
286 operator[](size_type __pos) const _GLIBCXX_NOEXCEPT
287 {
288 _GLIBCXX_DEBUG_VERIFY(__pos <= this->size(),
289 _M_message(__gnu_debug::__msg_subscript_oob)
290 ._M_sequence(*this, "this")
291 ._M_integer(__pos, "__pos")
292 ._M_integer(this->size(), "size"));
293 return _M_base()[__pos];
294 }
295
296 reference
297 operator[](size_type __pos) // _GLIBCXX_NOEXCEPT
298 {
299 #if __cplusplus < 201103L && defined(_GLIBCXX_DEBUG_PEDANTIC)
300 __glibcxx_check_subscript(__pos);
301 #else
302 // as an extension v3 allows s[s.size()] when s is non-const.
303 _GLIBCXX_DEBUG_VERIFY(__pos <= this->size(),
304 _M_message(__gnu_debug::__msg_subscript_oob)
305 ._M_sequence(*this, "this")
306 ._M_integer(__pos, "__pos")
307 ._M_integer(this->size(), "size"));
308 #endif
309 return _M_base()[__pos];
310 }
311
312 using _Base::at;
313
314 #if __cplusplus >= 201103L
315 using _Base::front;
316 using _Base::back;
317 #endif
318
319 // 21.3.5 modifiers:
320 basic_string&
321 operator+=(const basic_string& __str)
322 {
323 _M_base() += __str;
324 this->_M_invalidate_all();
325 return *this;
326 }
327
328 basic_string&
329 operator+=(const _CharT* __s)
330 {
331 __glibcxx_check_string(__s);
332 _M_base() += __s;
333 this->_M_invalidate_all();
334 return *this;
335 }
336
337 basic_string&
338 operator+=(_CharT __c)
339 {
340 _M_base() += __c;
341 this->_M_invalidate_all();
342 return *this;
343 }
344
345 #if __cplusplus >= 201103L
346 basic_string&
347 operator+=(std::initializer_list<_CharT> __l)
348 {
349 _M_base() += __l;
350 this->_M_invalidate_all();
351 return *this;
352 }
353 #endif // C++11
354
355 basic_string&
356 append(const basic_string& __str)
357 {
358 _Base::append(__str);
359 this->_M_invalidate_all();
360 return *this;
361 }
362
363 basic_string&
364 append(const basic_string& __str, size_type __pos, size_type __n)
365 {
366 _Base::append(__str, __pos, __n);
367 this->_M_invalidate_all();
368 return *this;
369 }
370
371 basic_string&
372 append(const _CharT* __s, size_type __n)
373 {
374 __glibcxx_check_string_len(__s, __n);
375 _Base::append(__s, __n);
376 this->_M_invalidate_all();
377 return *this;
378 }
379
380 basic_string&
381 append(const _CharT* __s)
382 {
383 __glibcxx_check_string(__s);
384 _Base::append(__s);
385 this->_M_invalidate_all();
386 return *this;
387 }
388
389 basic_string&
390 append(size_type __n, _CharT __c)
391 {
392 _Base::append(__n, __c);
393 this->_M_invalidate_all();
394 return *this;
395 }
396
397 template<typename _InputIterator>
398 basic_string&
399 append(_InputIterator __first, _InputIterator __last)
400 {
401 __glibcxx_check_valid_range(__first, __last);
402 _Base::append(__gnu_debug::__base(__first),
403 __gnu_debug::__base(__last));
404 this->_M_invalidate_all();
405 return *this;
406 }
407
408 // _GLIBCXX_RESOLVE_LIB_DEFECTS
409 // 7. string clause minor problems
410 void
411 push_back(_CharT __c)
412 {
413 _Base::push_back(__c);
414 this->_M_invalidate_all();
415 }
416
417 basic_string&
418 assign(const basic_string& __x)
419 {
420 _Base::assign(__x);
421 this->_M_invalidate_all();
422 return *this;
423 }
424
425 #if __cplusplus >= 201103L
426 basic_string&
427 assign(basic_string&& __x)
428 noexcept(noexcept(std::declval<_Base&>().assign(std::move(__x))))
429 {
430 _Base::assign(std::move(__x));
431 this->_M_invalidate_all();
432 return *this;
433 }
434 #endif // C++11
435
436 basic_string&
437 assign(const basic_string& __str, size_type __pos, size_type __n)
438 {
439 _Base::assign(__str, __pos, __n);
440 this->_M_invalidate_all();
441 return *this;
442 }
443
444 basic_string&
445 assign(const _CharT* __s, size_type __n)
446 {
447 __glibcxx_check_string_len(__s, __n);
448 _Base::assign(__s, __n);
449 this->_M_invalidate_all();
450 return *this;
451 }
452
453 basic_string&
454 assign(const _CharT* __s)
455 {
456 __glibcxx_check_string(__s);
457 _Base::assign(__s);
458 this->_M_invalidate_all();
459 return *this;
460 }
461
462 basic_string&
463 assign(size_type __n, _CharT __c)
464 {
465 _Base::assign(__n, __c);
466 this->_M_invalidate_all();
467 return *this;
468 }
469
470 template<typename _InputIterator>
471 basic_string&
472 assign(_InputIterator __first, _InputIterator __last)
473 {
474 __glibcxx_check_valid_range(__first, __last);
475 _Base::assign(__gnu_debug::__base(__first),
476 __gnu_debug::__base(__last));
477 this->_M_invalidate_all();
478 return *this;
479 }
480
481 #if __cplusplus >= 201103L
482 basic_string&
483 assign(std::initializer_list<_CharT> __l)
484 {
485 _Base::assign(__l);
486 this->_M_invalidate_all();
487 return *this;
488 }
489 #endif // C++11
490
491 basic_string&
492 insert(size_type __pos1, const basic_string& __str)
493 {
494 _Base::insert(__pos1, __str);
495 this->_M_invalidate_all();
496 return *this;
497 }
498
499 basic_string&
500 insert(size_type __pos1, const basic_string& __str,
501 size_type __pos2, size_type __n)
502 {
503 _Base::insert(__pos1, __str, __pos2, __n);
504 this->_M_invalidate_all();
505 return *this;
506 }
507
508 basic_string&
509 insert(size_type __pos, const _CharT* __s, size_type __n)
510 {
511 __glibcxx_check_string(__s);
512 _Base::insert(__pos, __s, __n);
513 this->_M_invalidate_all();
514 return *this;
515 }
516
517 basic_string&
518 insert(size_type __pos, const _CharT* __s)
519 {
520 __glibcxx_check_string(__s);
521 _Base::insert(__pos, __s);
522 this->_M_invalidate_all();
523 return *this;
524 }
525
526 basic_string&
527 insert(size_type __pos, size_type __n, _CharT __c)
528 {
529 _Base::insert(__pos, __n, __c);
530 this->_M_invalidate_all();
531 return *this;
532 }
533
534 iterator
535 insert(iterator __p, _CharT __c)
536 {
537 __glibcxx_check_insert(__p);
538 typename _Base::iterator __res = _Base::insert(__p.base(), __c);
539 this->_M_invalidate_all();
540 return iterator(__res, this);
541 }
542
543 void
544 insert(iterator __p, size_type __n, _CharT __c)
545 {
546 __glibcxx_check_insert(__p);
547 _Base::insert(__p.base(), __n, __c);
548 this->_M_invalidate_all();
549 }
550
551 template<typename _InputIterator>
552 void
553 insert(iterator __p, _InputIterator __first, _InputIterator __last)
554 {
555 __glibcxx_check_insert_range(__p, __first, __last);
556 _Base::insert(__p.base(), __gnu_debug::__base(__first),
557 __gnu_debug::__base(__last));
558 this->_M_invalidate_all();
559 }
560
561 #if __cplusplus >= 201103L
562 void
563 insert(iterator __p, std::initializer_list<_CharT> __l)
564 {
565 __glibcxx_check_insert(__p);
566 _Base::insert(__p.base(), __l);
567 this->_M_invalidate_all();
568 }
569 #endif // C++11
570
571 basic_string&
572 erase(size_type __pos = 0, size_type __n = _Base::npos)
573 {
574 _Base::erase(__pos, __n);
575 this->_M_invalidate_all();
576 return *this;
577 }
578
579 iterator
580 erase(iterator __position)
581 {
582 __glibcxx_check_erase(__position);
583 typename _Base::iterator __res = _Base::erase(__position.base());
584 this->_M_invalidate_all();
585 return iterator(__res, this);
586 }
587
588 iterator
589 erase(iterator __first, iterator __last)
590 {
591 // _GLIBCXX_RESOLVE_LIB_DEFECTS
592 // 151. can't currently clear() empty container
593 __glibcxx_check_erase_range(__first, __last);
594 typename _Base::iterator __res = _Base::erase(__first.base(),
595 __last.base());
596 this->_M_invalidate_all();
597 return iterator(__res, this);
598 }
599
600 #if __cplusplus >= 201103L
601 void
602 pop_back() // noexcept
603 {
604 __glibcxx_check_nonempty();
605 _Base::pop_back();
606 this->_M_invalidate_all();
607 }
608 #endif // C++11
609
610 basic_string&
611 replace(size_type __pos1, size_type __n1, const basic_string& __str)
612 {
613 _Base::replace(__pos1, __n1, __str);
614 this->_M_invalidate_all();
615 return *this;
616 }
617
618 basic_string&
619 replace(size_type __pos1, size_type __n1, const basic_string& __str,
620 size_type __pos2, size_type __n2)
621 {
622 _Base::replace(__pos1, __n1, __str, __pos2, __n2);
623 this->_M_invalidate_all();
624 return *this;
625 }
626
627 basic_string&
628 replace(size_type __pos, size_type __n1, const _CharT* __s,
629 size_type __n2)
630 {
631 __glibcxx_check_string_len(__s, __n2);
632 _Base::replace(__pos, __n1, __s, __n2);
633 this->_M_invalidate_all();
634 return *this;
635 }
636
637 basic_string&
638 replace(size_type __pos, size_type __n1, const _CharT* __s)
639 {
640 __glibcxx_check_string(__s);
641 _Base::replace(__pos, __n1, __s);
642 this->_M_invalidate_all();
643 return *this;
644 }
645
646 basic_string&
647 replace(size_type __pos, size_type __n1, size_type __n2, _CharT __c)
648 {
649 _Base::replace(__pos, __n1, __n2, __c);
650 this->_M_invalidate_all();
651 return *this;
652 }
653
654 basic_string&
655 replace(iterator __i1, iterator __i2, const basic_string& __str)
656 {
657 __glibcxx_check_erase_range(__i1, __i2);
658 _Base::replace(__i1.base(), __i2.base(), __str);
659 this->_M_invalidate_all();
660 return *this;
661 }
662
663 basic_string&
664 replace(iterator __i1, iterator __i2, const _CharT* __s, size_type __n)
665 {
666 __glibcxx_check_erase_range(__i1, __i2);
667 __glibcxx_check_string_len(__s, __n);
668 _Base::replace(__i1.base(), __i2.base(), __s, __n);
669 this->_M_invalidate_all();
670 return *this;
671 }
672
673 basic_string&
674 replace(iterator __i1, iterator __i2, const _CharT* __s)
675 {
676 __glibcxx_check_erase_range(__i1, __i2);
677 __glibcxx_check_string(__s);
678 _Base::replace(__i1.base(), __i2.base(), __s);
679 this->_M_invalidate_all();
680 return *this;
681 }
682
683 basic_string&
684 replace(iterator __i1, iterator __i2, size_type __n, _CharT __c)
685 {
686 __glibcxx_check_erase_range(__i1, __i2);
687 _Base::replace(__i1.base(), __i2.base(), __n, __c);
688 this->_M_invalidate_all();
689 return *this;
690 }
691
692 template<typename _InputIterator>
693 basic_string&
694 replace(iterator __i1, iterator __i2,
695 _InputIterator __j1, _InputIterator __j2)
696 {
697 __glibcxx_check_erase_range(__i1, __i2);
698 __glibcxx_check_valid_range(__j1, __j2);
699 _Base::replace(__i1.base(), __i2.base(), __j1, __j2);
700 this->_M_invalidate_all();
701 return *this;
702 }
703
704 #if __cplusplus >= 201103L
705 basic_string& replace(iterator __i1, iterator __i2,
706 std::initializer_list<_CharT> __l)
707 {
708 __glibcxx_check_erase_range(__i1, __i2);
709 _Base::replace(__i1.base(), __i2.base(), __l);
710 this->_M_invalidate_all();
711 return *this;
712 }
713 #endif // C++11
714
715 size_type
716 copy(_CharT* __s, size_type __n, size_type __pos = 0) const
717 {
718 __glibcxx_check_string_len(__s, __n);
719 return _Base::copy(__s, __n, __pos);
720 }
721
722 void
723 swap(basic_string& __x)
724 #if _GLIBCXX_USE_CXX11_ABI
725 _GLIBCXX_NOEXCEPT
726 #endif
727 {
728 _Safe::_M_swap(__x);
729 _Base::swap(__x);
730 }
731
732 // 21.3.6 string operations:
733 const _CharT*
734 c_str() const _GLIBCXX_NOEXCEPT
735 {
736 const _CharT* __res = _Base::c_str();
737 this->_M_invalidate_all();
738 return __res;
739 }
740
741 const _CharT*
742 data() const _GLIBCXX_NOEXCEPT
743 {
744 const _CharT* __res = _Base::data();
745 this->_M_invalidate_all();
746 return __res;
747 }
748
749 using _Base::get_allocator;
750
751 size_type
752 find(const basic_string& __str, size_type __pos = 0) const
753 _GLIBCXX_NOEXCEPT
754 { return _Base::find(__str, __pos); }
755
756 size_type
757 find(const _CharT* __s, size_type __pos, size_type __n) const
758 {
759 __glibcxx_check_string(__s);
760 return _Base::find(__s, __pos, __n);
761 }
762
763 size_type
764 find(const _CharT* __s, size_type __pos = 0) const
765 {
766 __glibcxx_check_string(__s);
767 return _Base::find(__s, __pos);
768 }
769
770 size_type
771 find(_CharT __c, size_type __pos = 0) const _GLIBCXX_NOEXCEPT
772 { return _Base::find(__c, __pos); }
773
774 size_type
775 rfind(const basic_string& __str, size_type __pos = _Base::npos) const
776 _GLIBCXX_NOEXCEPT
777 { return _Base::rfind(__str, __pos); }
778
779 size_type
780 rfind(const _CharT* __s, size_type __pos, size_type __n) const
781 {
782 __glibcxx_check_string_len(__s, __n);
783 return _Base::rfind(__s, __pos, __n);
784 }
785
786 size_type
787 rfind(const _CharT* __s, size_type __pos = _Base::npos) const
788 {
789 __glibcxx_check_string(__s);
790 return _Base::rfind(__s, __pos);
791 }
792
793 size_type
794 rfind(_CharT __c, size_type __pos = _Base::npos) const _GLIBCXX_NOEXCEPT
795 { return _Base::rfind(__c, __pos); }
796
797 size_type
798 find_first_of(const basic_string& __str, size_type __pos = 0) const
799 _GLIBCXX_NOEXCEPT
800 { return _Base::find_first_of(__str, __pos); }
801
802 size_type
803 find_first_of(const _CharT* __s, size_type __pos, size_type __n) const
804 {
805 __glibcxx_check_string(__s);
806 return _Base::find_first_of(__s, __pos, __n);
807 }
808
809 size_type
810 find_first_of(const _CharT* __s, size_type __pos = 0) const
811 {
812 __glibcxx_check_string(__s);
813 return _Base::find_first_of(__s, __pos);
814 }
815
816 size_type
817 find_first_of(_CharT __c, size_type __pos = 0) const _GLIBCXX_NOEXCEPT
818 { return _Base::find_first_of(__c, __pos); }
819
820 size_type
821 find_last_of(const basic_string& __str,
822 size_type __pos = _Base::npos) const _GLIBCXX_NOEXCEPT
823 { return _Base::find_last_of(__str, __pos); }
824
825 size_type
826 find_last_of(const _CharT* __s, size_type __pos, size_type __n) const
827 {
828 __glibcxx_check_string(__s);
829 return _Base::find_last_of(__s, __pos, __n);
830 }
831
832 size_type
833 find_last_of(const _CharT* __s, size_type __pos = _Base::npos) const
834 {
835 __glibcxx_check_string(__s);
836 return _Base::find_last_of(__s, __pos);
837 }
838
839 size_type
840 find_last_of(_CharT __c, size_type __pos = _Base::npos) const
841 _GLIBCXX_NOEXCEPT
842 { return _Base::find_last_of(__c, __pos); }
843
844 size_type
845 find_first_not_of(const basic_string& __str, size_type __pos = 0) const
846 _GLIBCXX_NOEXCEPT
847 { return _Base::find_first_not_of(__str, __pos); }
848
849 size_type
850 find_first_not_of(const _CharT* __s, size_type __pos, size_type __n) const
851 {
852 __glibcxx_check_string_len(__s, __n);
853 return _Base::find_first_not_of(__s, __pos, __n);
854 }
855
856 size_type
857 find_first_not_of(const _CharT* __s, size_type __pos = 0) const
858 {
859 __glibcxx_check_string(__s);
860 return _Base::find_first_not_of(__s, __pos);
861 }
862
863 size_type
864 find_first_not_of(_CharT __c, size_type __pos = 0) const _GLIBCXX_NOEXCEPT
865 { return _Base::find_first_not_of(__c, __pos); }
866
867 size_type
868 find_last_not_of(const basic_string& __str,
869 size_type __pos = _Base::npos) const
870 _GLIBCXX_NOEXCEPT
871 { return _Base::find_last_not_of(__str, __pos); }
872
873 size_type
874 find_last_not_of(const _CharT* __s, size_type __pos, size_type __n) const
875 {
876 __glibcxx_check_string(__s);
877 return _Base::find_last_not_of(__s, __pos, __n);
878 }
879
880 size_type
881 find_last_not_of(const _CharT* __s, size_type __pos = _Base::npos) const
882 {
883 __glibcxx_check_string(__s);
884 return _Base::find_last_not_of(__s, __pos);
885 }
886
887 size_type
888 find_last_not_of(_CharT __c, size_type __pos = _Base::npos) const
889 _GLIBCXX_NOEXCEPT
890 { return _Base::find_last_not_of(__c, __pos); }
891
892 basic_string
893 substr(size_type __pos = 0, size_type __n = _Base::npos) const
894 { return basic_string(_Base::substr(__pos, __n)); }
895
896 int
897 compare(const basic_string& __str) const
898 { return _Base::compare(__str); }
899
900 int
901 compare(size_type __pos1, size_type __n1,
902 const basic_string& __str) const
903 { return _Base::compare(__pos1, __n1, __str); }
904
905 int
906 compare(size_type __pos1, size_type __n1, const basic_string& __str,
907 size_type __pos2, size_type __n2) const
908 { return _Base::compare(__pos1, __n1, __str, __pos2, __n2); }
909
910 int
911 compare(const _CharT* __s) const
912 {
913 __glibcxx_check_string(__s);
914 return _Base::compare(__s);
915 }
916
917 // _GLIBCXX_RESOLVE_LIB_DEFECTS
918 // 5. string::compare specification questionable
919 int
920 compare(size_type __pos1, size_type __n1, const _CharT* __s) const
921 {
922 __glibcxx_check_string(__s);
923 return _Base::compare(__pos1, __n1, __s);
924 }
925
926 // _GLIBCXX_RESOLVE_LIB_DEFECTS
927 // 5. string::compare specification questionable
928 int
929 compare(size_type __pos1, size_type __n1,const _CharT* __s,
930 size_type __n2) const
931 {
932 __glibcxx_check_string_len(__s, __n2);
933 return _Base::compare(__pos1, __n1, __s, __n2);
934 }
935
936 _Base&
937 _M_base() _GLIBCXX_NOEXCEPT { return *this; }
938
939 const _Base&
940 _M_base() const _GLIBCXX_NOEXCEPT { return *this; }
941
942 using _Safe::_M_invalidate_all;
943 };
944
945 template<typename _CharT, typename _Traits, typename _Allocator>
946 inline basic_string<_CharT,_Traits,_Allocator>
947 operator+(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
948 const basic_string<_CharT,_Traits,_Allocator>& __rhs)
949 { return basic_string<_CharT,_Traits,_Allocator>(__lhs) += __rhs; }
950
951 template<typename _CharT, typename _Traits, typename _Allocator>
952 inline basic_string<_CharT,_Traits,_Allocator>
953 operator+(const _CharT* __lhs,
954 const basic_string<_CharT,_Traits,_Allocator>& __rhs)
955 {
956 __glibcxx_check_string(__lhs);
957 return basic_string<_CharT,_Traits,_Allocator>(__lhs) += __rhs;
958 }
959
960 template<typename _CharT, typename _Traits, typename _Allocator>
961 inline basic_string<_CharT,_Traits,_Allocator>
962 operator+(_CharT __lhs,
963 const basic_string<_CharT,_Traits,_Allocator>& __rhs)
964 { return basic_string<_CharT,_Traits,_Allocator>(1, __lhs) += __rhs; }
965
966 template<typename _CharT, typename _Traits, typename _Allocator>
967 inline basic_string<_CharT,_Traits,_Allocator>
968 operator+(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
969 const _CharT* __rhs)
970 {
971 __glibcxx_check_string(__rhs);
972 return basic_string<_CharT,_Traits,_Allocator>(__lhs) += __rhs;
973 }
974
975 template<typename _CharT, typename _Traits, typename _Allocator>
976 inline basic_string<_CharT,_Traits,_Allocator>
977 operator+(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
978 _CharT __rhs)
979 { return basic_string<_CharT,_Traits,_Allocator>(__lhs) += __rhs; }
980
981 template<typename _CharT, typename _Traits, typename _Allocator>
982 inline bool
983 operator==(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
984 const basic_string<_CharT,_Traits,_Allocator>& __rhs)
985 { return __lhs._M_base() == __rhs._M_base(); }
986
987 template<typename _CharT, typename _Traits, typename _Allocator>
988 inline bool
989 operator==(const _CharT* __lhs,
990 const basic_string<_CharT,_Traits,_Allocator>& __rhs)
991 {
992 __glibcxx_check_string(__lhs);
993 return __lhs == __rhs._M_base();
994 }
995
996 template<typename _CharT, typename _Traits, typename _Allocator>
997 inline bool
998 operator==(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
999 const _CharT* __rhs)
1000 {
1001 __glibcxx_check_string(__rhs);
1002 return __lhs._M_base() == __rhs;
1003 }
1004
1005 template<typename _CharT, typename _Traits, typename _Allocator>
1006 inline bool
1007 operator!=(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
1008 const basic_string<_CharT,_Traits,_Allocator>& __rhs)
1009 { return __lhs._M_base() != __rhs._M_base(); }
1010
1011 template<typename _CharT, typename _Traits, typename _Allocator>
1012 inline bool
1013 operator!=(const _CharT* __lhs,
1014 const basic_string<_CharT,_Traits,_Allocator>& __rhs)
1015 {
1016 __glibcxx_check_string(__lhs);
1017 return __lhs != __rhs._M_base();
1018 }
1019
1020 template<typename _CharT, typename _Traits, typename _Allocator>
1021 inline bool
1022 operator!=(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
1023 const _CharT* __rhs)
1024 {
1025 __glibcxx_check_string(__rhs);
1026 return __lhs._M_base() != __rhs;
1027 }
1028
1029 template<typename _CharT, typename _Traits, typename _Allocator>
1030 inline bool
1031 operator<(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
1032 const basic_string<_CharT,_Traits,_Allocator>& __rhs)
1033 { return __lhs._M_base() < __rhs._M_base(); }
1034
1035 template<typename _CharT, typename _Traits, typename _Allocator>
1036 inline bool
1037 operator<(const _CharT* __lhs,
1038 const basic_string<_CharT,_Traits,_Allocator>& __rhs)
1039 {
1040 __glibcxx_check_string(__lhs);
1041 return __lhs < __rhs._M_base();
1042 }
1043
1044 template<typename _CharT, typename _Traits, typename _Allocator>
1045 inline bool
1046 operator<(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
1047 const _CharT* __rhs)
1048 {
1049 __glibcxx_check_string(__rhs);
1050 return __lhs._M_base() < __rhs;
1051 }
1052
1053 template<typename _CharT, typename _Traits, typename _Allocator>
1054 inline bool
1055 operator<=(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
1056 const basic_string<_CharT,_Traits,_Allocator>& __rhs)
1057 { return __lhs._M_base() <= __rhs._M_base(); }
1058
1059 template<typename _CharT, typename _Traits, typename _Allocator>
1060 inline bool
1061 operator<=(const _CharT* __lhs,
1062 const basic_string<_CharT,_Traits,_Allocator>& __rhs)
1063 {
1064 __glibcxx_check_string(__lhs);
1065 return __lhs <= __rhs._M_base();
1066 }
1067
1068 template<typename _CharT, typename _Traits, typename _Allocator>
1069 inline bool
1070 operator<=(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
1071 const _CharT* __rhs)
1072 {
1073 __glibcxx_check_string(__rhs);
1074 return __lhs._M_base() <= __rhs;
1075 }
1076
1077 template<typename _CharT, typename _Traits, typename _Allocator>
1078 inline bool
1079 operator>=(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
1080 const basic_string<_CharT,_Traits,_Allocator>& __rhs)
1081 { return __lhs._M_base() >= __rhs._M_base(); }
1082
1083 template<typename _CharT, typename _Traits, typename _Allocator>
1084 inline bool
1085 operator>=(const _CharT* __lhs,
1086 const basic_string<_CharT,_Traits,_Allocator>& __rhs)
1087 {
1088 __glibcxx_check_string(__lhs);
1089 return __lhs >= __rhs._M_base();
1090 }
1091
1092 template<typename _CharT, typename _Traits, typename _Allocator>
1093 inline bool
1094 operator>=(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
1095 const _CharT* __rhs)
1096 {
1097 __glibcxx_check_string(__rhs);
1098 return __lhs._M_base() >= __rhs;
1099 }
1100
1101 template<typename _CharT, typename _Traits, typename _Allocator>
1102 inline bool
1103 operator>(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
1104 const basic_string<_CharT,_Traits,_Allocator>& __rhs)
1105 { return __lhs._M_base() > __rhs._M_base(); }
1106
1107 template<typename _CharT, typename _Traits, typename _Allocator>
1108 inline bool
1109 operator>(const _CharT* __lhs,
1110 const basic_string<_CharT,_Traits,_Allocator>& __rhs)
1111 {
1112 __glibcxx_check_string(__lhs);
1113 return __lhs > __rhs._M_base();
1114 }
1115
1116 template<typename _CharT, typename _Traits, typename _Allocator>
1117 inline bool
1118 operator>(const basic_string<_CharT,_Traits,_Allocator>& __lhs,
1119 const _CharT* __rhs)
1120 {
1121 __glibcxx_check_string(__rhs);
1122 return __lhs._M_base() > __rhs;
1123 }
1124
1125 // 21.3.7.8:
1126 template<typename _CharT, typename _Traits, typename _Allocator>
1127 inline void
1128 swap(basic_string<_CharT,_Traits,_Allocator>& __lhs,
1129 basic_string<_CharT,_Traits,_Allocator>& __rhs)
1130 { __lhs.swap(__rhs); }
1131
1132 template<typename _CharT, typename _Traits, typename _Allocator>
1133 std::basic_ostream<_CharT, _Traits>&
1134 operator<<(std::basic_ostream<_CharT, _Traits>& __os,
1135 const basic_string<_CharT, _Traits, _Allocator>& __str)
1136 { return __os << __str._M_base(); }
1137
1138 template<typename _CharT, typename _Traits, typename _Allocator>
1139 std::basic_istream<_CharT,_Traits>&
1140 operator>>(std::basic_istream<_CharT,_Traits>& __is,
1141 basic_string<_CharT,_Traits,_Allocator>& __str)
1142 {
1143 std::basic_istream<_CharT,_Traits>& __res = __is >> __str._M_base();
1144 __str._M_invalidate_all();
1145 return __res;
1146 }
1147
1148 template<typename _CharT, typename _Traits, typename _Allocator>
1149 std::basic_istream<_CharT,_Traits>&
1150 getline(std::basic_istream<_CharT,_Traits>& __is,
1151 basic_string<_CharT,_Traits,_Allocator>& __str, _CharT __delim)
1152 {
1153 std::basic_istream<_CharT,_Traits>& __res = getline(__is,
1154 __str._M_base(),
1155 __delim);
1156 __str._M_invalidate_all();
1157 return __res;
1158 }
1159
1160 template<typename _CharT, typename _Traits, typename _Allocator>
1161 std::basic_istream<_CharT,_Traits>&
1162 getline(std::basic_istream<_CharT,_Traits>& __is,
1163 basic_string<_CharT,_Traits,_Allocator>& __str)
1164 {
1165 std::basic_istream<_CharT,_Traits>& __res = getline(__is,
1166 __str._M_base());
1167 __str._M_invalidate_all();
1168 return __res;
1169 }
1170
1171 typedef basic_string<char> string;
1172
1173 #ifdef _GLIBCXX_USE_WCHAR_T
1174 typedef basic_string<wchar_t> wstring;
1175 #endif
1176
1177 template<typename _CharT, typename _Traits, typename _Allocator>
1178 struct _Insert_range_from_self_is_safe<
1179 __gnu_debug::basic_string<_CharT, _Traits, _Allocator> >
1180 { enum { __value = 1 }; };
1181
1182 } // namespace __gnu_debug
1183
1184 #endif
1185