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Issue 75213003: Add libc++ and libc++abi to third-party. (Closed) Base URL: https://src.chromium.org/chrome/trunk/src/
Patch Set: Created 7 years, 1 month ago
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1 // -*- C++ -*-
2 //===--------------------------- iomanip ----------------------------------===//
3 //
4 // The LLVM Compiler Infrastructure
5 //
6 // This file is dual licensed under the MIT and the University of Illinois Open
7 // Source Licenses. See LICENSE.TXT for details.
8 //
9 //===----------------------------------------------------------------------===//
10
11 #ifndef _LIBCPP_IOMANIP
12 #define _LIBCPP_IOMANIP
13
14 /*
15 iomanip synopsis
16
17 // types T1, T2, ... are unspecified implementation types
18 T1 resetiosflags(ios_base::fmtflags mask);
19 T2 setiosflags (ios_base::fmtflags mask);
20 T3 setbase(int base);
21 template<charT> T4 setfill(charT c);
22 T5 setprecision(int n);
23 T6 setw(int n);
24 template <class moneyT> T7 get_money(moneyT& mon, bool intl = false);
25 template <class charT, class moneyT> T8 put_money(const moneyT& mon, bool intl = false);
26 template <class charT> T9 get_time(struct tm* tmb, const charT* fmt);
27 template <class charT> T10 put_time(const struct tm* tmb, const charT* fmt);
28
29 template <class charT>
30 T11 quoted(const charT* s, charT delim=charT('"'), charT escape=charT('\\')); // C++14
31
32 template <class charT, class traits, class Allocator>
33 T12 quoted(const basic_string<charT, traits, Allocator>& s,
34 charT delim=charT('"'), charT escape=charT('\\')); // C++14
35
36 template <class charT, class traits, class Allocator>
37 T13 quoted(basic_string<charT, traits, Allocator>& s,
38 charT delim=charT('"'), charT escape=charT('\\')); // C++14
39
40 } // std
41
42 */
43
44 #include <__config>
45 #include <istream>
46
47 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
48 #pragma GCC system_header
49 #endif
50
51 _LIBCPP_BEGIN_NAMESPACE_STD
52
53 // resetiosflags
54
55 class __iom_t1
56 {
57 ios_base::fmtflags __mask_;
58 public:
59 _LIBCPP_INLINE_VISIBILITY
60 explicit __iom_t1(ios_base::fmtflags __m) : __mask_(__m) {}
61
62 template <class _CharT, class _Traits>
63 friend
64 _LIBCPP_INLINE_VISIBILITY
65 basic_istream<_CharT, _Traits>&
66 operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t1& __x)
67 {
68 __is.unsetf(__x.__mask_);
69 return __is;
70 }
71
72 template <class _CharT, class _Traits>
73 friend
74 _LIBCPP_INLINE_VISIBILITY
75 basic_ostream<_CharT, _Traits>&
76 operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t1& __x)
77 {
78 __os.unsetf(__x.__mask_);
79 return __os;
80 }
81 };
82
83 inline _LIBCPP_INLINE_VISIBILITY
84 __iom_t1
85 resetiosflags(ios_base::fmtflags __mask)
86 {
87 return __iom_t1(__mask);
88 }
89
90 // setiosflags
91
92 class __iom_t2
93 {
94 ios_base::fmtflags __mask_;
95 public:
96 _LIBCPP_INLINE_VISIBILITY
97 explicit __iom_t2(ios_base::fmtflags __m) : __mask_(__m) {}
98
99 template <class _CharT, class _Traits>
100 friend
101 _LIBCPP_INLINE_VISIBILITY
102 basic_istream<_CharT, _Traits>&
103 operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t2& __x)
104 {
105 __is.setf(__x.__mask_);
106 return __is;
107 }
108
109 template <class _CharT, class _Traits>
110 friend
111 _LIBCPP_INLINE_VISIBILITY
112 basic_ostream<_CharT, _Traits>&
113 operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t2& __x)
114 {
115 __os.setf(__x.__mask_);
116 return __os;
117 }
118 };
119
120 inline _LIBCPP_INLINE_VISIBILITY
121 __iom_t2
122 setiosflags(ios_base::fmtflags __mask)
123 {
124 return __iom_t2(__mask);
125 }
126
127 // setbase
128
129 class __iom_t3
130 {
131 int __base_;
132 public:
133 _LIBCPP_INLINE_VISIBILITY
134 explicit __iom_t3(int __b) : __base_(__b) {}
135
136 template <class _CharT, class _Traits>
137 friend
138 _LIBCPP_INLINE_VISIBILITY
139 basic_istream<_CharT, _Traits>&
140 operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t3& __x)
141 {
142 __is.setf(__x.__base_ == 8 ? ios_base::oct :
143 __x.__base_ == 10 ? ios_base::dec :
144 __x.__base_ == 16 ? ios_base::hex :
145 ios_base::fmtflags(0), ios_base::basefield);
146 return __is;
147 }
148
149 template <class _CharT, class _Traits>
150 friend
151 _LIBCPP_INLINE_VISIBILITY
152 basic_ostream<_CharT, _Traits>&
153 operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t3& __x)
154 {
155 __os.setf(__x.__base_ == 8 ? ios_base::oct :
156 __x.__base_ == 10 ? ios_base::dec :
157 __x.__base_ == 16 ? ios_base::hex :
158 ios_base::fmtflags(0), ios_base::basefield);
159 return __os;
160 }
161 };
162
163 inline _LIBCPP_INLINE_VISIBILITY
164 __iom_t3
165 setbase(int __base)
166 {
167 return __iom_t3(__base);
168 }
169
170 // setfill
171
172 template<class _CharT>
173 class __iom_t4
174 {
175 _CharT __fill_;
176 public:
177 _LIBCPP_INLINE_VISIBILITY
178 explicit __iom_t4(_CharT __c) : __fill_(__c) {}
179
180 template <class _Traits>
181 friend
182 _LIBCPP_INLINE_VISIBILITY
183 basic_ostream<_CharT, _Traits>&
184 operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t4& __x)
185 {
186 __os.fill(__x.__fill_);
187 return __os;
188 }
189 };
190
191 template<class _CharT>
192 inline _LIBCPP_INLINE_VISIBILITY
193 __iom_t4<_CharT>
194 setfill(_CharT __c)
195 {
196 return __iom_t4<_CharT>(__c);
197 }
198
199 // setprecision
200
201 class __iom_t5
202 {
203 int __n_;
204 public:
205 _LIBCPP_INLINE_VISIBILITY
206 explicit __iom_t5(int __n) : __n_(__n) {}
207
208 template <class _CharT, class _Traits>
209 friend
210 _LIBCPP_INLINE_VISIBILITY
211 basic_istream<_CharT, _Traits>&
212 operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t5& __x)
213 {
214 __is.precision(__x.__n_);
215 return __is;
216 }
217
218 template <class _CharT, class _Traits>
219 friend
220 _LIBCPP_INLINE_VISIBILITY
221 basic_ostream<_CharT, _Traits>&
222 operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t5& __x)
223 {
224 __os.precision(__x.__n_);
225 return __os;
226 }
227 };
228
229 inline _LIBCPP_INLINE_VISIBILITY
230 __iom_t5
231 setprecision(int __n)
232 {
233 return __iom_t5(__n);
234 }
235
236 // setw
237
238 class __iom_t6
239 {
240 int __n_;
241 public:
242 _LIBCPP_INLINE_VISIBILITY
243 explicit __iom_t6(int __n) : __n_(__n) {}
244
245 template <class _CharT, class _Traits>
246 friend
247 _LIBCPP_INLINE_VISIBILITY
248 basic_istream<_CharT, _Traits>&
249 operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t6& __x)
250 {
251 __is.width(__x.__n_);
252 return __is;
253 }
254
255 template <class _CharT, class _Traits>
256 friend
257 _LIBCPP_INLINE_VISIBILITY
258 basic_ostream<_CharT, _Traits>&
259 operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t6& __x)
260 {
261 __os.width(__x.__n_);
262 return __os;
263 }
264 };
265
266 inline _LIBCPP_INLINE_VISIBILITY
267 __iom_t6
268 setw(int __n)
269 {
270 return __iom_t6(__n);
271 }
272
273 // get_money
274
275 template <class _MoneyT> class __iom_t7;
276
277 template <class _CharT, class _Traits, class _MoneyT>
278 basic_istream<_CharT, _Traits>&
279 operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t7<_MoneyT>& __x);
280
281 template <class _MoneyT>
282 class __iom_t7
283 {
284 _MoneyT& __mon_;
285 bool __intl_;
286 public:
287 _LIBCPP_INLINE_VISIBILITY
288 __iom_t7(_MoneyT& __mon, bool __intl)
289 : __mon_(__mon), __intl_(__intl) {}
290
291 template <class _CharT, class _Traits, class _Mp>
292 friend
293 basic_istream<_CharT, _Traits>&
294 operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t7<_Mp>& __x);
295 };
296
297 template <class _CharT, class _Traits, class _MoneyT>
298 basic_istream<_CharT, _Traits>&
299 operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t7<_MoneyT>& __x)
300 {
301 #ifndef _LIBCPP_NO_EXCEPTIONS
302 try
303 {
304 #endif // _LIBCPP_NO_EXCEPTIONS
305 typename basic_istream<_CharT, _Traits>::sentry __s(__is);
306 if (__s)
307 {
308 typedef istreambuf_iterator<_CharT, _Traits> _Ip;
309 typedef money_get<_CharT, _Ip> _Fp;
310 ios_base::iostate __err = ios_base::goodbit;
311 const _Fp& __mf = use_facet<_Fp>(__is.getloc());
312 __mf.get(_Ip(__is), _Ip(), __x.__intl_, __is, __err, __x.__mon_);
313 __is.setstate(__err);
314 }
315 #ifndef _LIBCPP_NO_EXCEPTIONS
316 }
317 catch (...)
318 {
319 __is.__set_badbit_and_consider_rethrow();
320 }
321 #endif // _LIBCPP_NO_EXCEPTIONS
322 return __is;
323 }
324
325 template <class _MoneyT>
326 inline _LIBCPP_INLINE_VISIBILITY
327 __iom_t7<_MoneyT>
328 get_money(_MoneyT& __mon, bool __intl = false)
329 {
330 return __iom_t7<_MoneyT>(__mon, __intl);
331 }
332
333 // put_money
334
335 template <class _MoneyT> class __iom_t8;
336
337 template <class _CharT, class _Traits, class _MoneyT>
338 basic_ostream<_CharT, _Traits>&
339 operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t8<_MoneyT>& __x);
340
341 template <class _MoneyT>
342 class __iom_t8
343 {
344 const _MoneyT& __mon_;
345 bool __intl_;
346 public:
347 _LIBCPP_INLINE_VISIBILITY
348 __iom_t8(const _MoneyT& __mon, bool __intl)
349 : __mon_(__mon), __intl_(__intl) {}
350
351 template <class _CharT, class _Traits, class _Mp>
352 friend
353 basic_ostream<_CharT, _Traits>&
354 operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t8<_Mp>& __x);
355 };
356
357 template <class _CharT, class _Traits, class _MoneyT>
358 basic_ostream<_CharT, _Traits>&
359 operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t8<_MoneyT>& __x)
360 {
361 #ifndef _LIBCPP_NO_EXCEPTIONS
362 try
363 {
364 #endif // _LIBCPP_NO_EXCEPTIONS
365 typename basic_ostream<_CharT, _Traits>::sentry __s(__os);
366 if (__s)
367 {
368 typedef ostreambuf_iterator<_CharT, _Traits> _Op;
369 typedef money_put<_CharT, _Op> _Fp;
370 const _Fp& __mf = use_facet<_Fp>(__os.getloc());
371 if (__mf.put(_Op(__os), __x.__intl_, __os, __os.fill(), __x.__mon_). failed())
372 __os.setstate(ios_base::badbit);
373 }
374 #ifndef _LIBCPP_NO_EXCEPTIONS
375 }
376 catch (...)
377 {
378 __os.__set_badbit_and_consider_rethrow();
379 }
380 #endif // _LIBCPP_NO_EXCEPTIONS
381 return __os;
382 }
383
384 template <class _MoneyT>
385 inline _LIBCPP_INLINE_VISIBILITY
386 __iom_t8<_MoneyT>
387 put_money(const _MoneyT& __mon, bool __intl = false)
388 {
389 return __iom_t8<_MoneyT>(__mon, __intl);
390 }
391
392 // get_time
393
394 template <class _CharT> class __iom_t9;
395
396 template <class _CharT, class _Traits>
397 basic_istream<_CharT, _Traits>&
398 operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t9<_CharT>& __x);
399
400 template <class _CharT>
401 class __iom_t9
402 {
403 tm* __tm_;
404 const _CharT* __fmt_;
405 public:
406 _LIBCPP_INLINE_VISIBILITY
407 __iom_t9(tm* __tm, const _CharT* __fmt)
408 : __tm_(__tm), __fmt_(__fmt) {}
409
410 template <class _Cp, class _Traits>
411 friend
412 basic_istream<_Cp, _Traits>&
413 operator>>(basic_istream<_Cp, _Traits>& __is, const __iom_t9<_Cp>& __x);
414 };
415
416 template <class _CharT, class _Traits>
417 basic_istream<_CharT, _Traits>&
418 operator>>(basic_istream<_CharT, _Traits>& __is, const __iom_t9<_CharT>& __x)
419 {
420 #ifndef _LIBCPP_NO_EXCEPTIONS
421 try
422 {
423 #endif // _LIBCPP_NO_EXCEPTIONS
424 typename basic_istream<_CharT, _Traits>::sentry __s(__is);
425 if (__s)
426 {
427 typedef istreambuf_iterator<_CharT, _Traits> _Ip;
428 typedef time_get<_CharT, _Ip> _Fp;
429 ios_base::iostate __err = ios_base::goodbit;
430 const _Fp& __tf = use_facet<_Fp>(__is.getloc());
431 __tf.get(_Ip(__is), _Ip(), __is, __err, __x.__tm_,
432 __x.__fmt_, __x.__fmt_ + _Traits::length(__x.__fmt_));
433 __is.setstate(__err);
434 }
435 #ifndef _LIBCPP_NO_EXCEPTIONS
436 }
437 catch (...)
438 {
439 __is.__set_badbit_and_consider_rethrow();
440 }
441 #endif // _LIBCPP_NO_EXCEPTIONS
442 return __is;
443 }
444
445 template <class _CharT>
446 inline _LIBCPP_INLINE_VISIBILITY
447 __iom_t9<_CharT>
448 get_time(tm* __tm, const _CharT* __fmt)
449 {
450 return __iom_t9<_CharT>(__tm, __fmt);
451 }
452
453 // put_time
454
455 template <class _CharT> class __iom_t10;
456
457 template <class _CharT, class _Traits>
458 basic_ostream<_CharT, _Traits>&
459 operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t10<_CharT>& __x);
460
461 template <class _CharT>
462 class __iom_t10
463 {
464 const tm* __tm_;
465 const _CharT* __fmt_;
466 public:
467 _LIBCPP_INLINE_VISIBILITY
468 __iom_t10(const tm* __tm, const _CharT* __fmt)
469 : __tm_(__tm), __fmt_(__fmt) {}
470
471 template <class _Cp, class _Traits>
472 friend
473 basic_ostream<_Cp, _Traits>&
474 operator<<(basic_ostream<_Cp, _Traits>& __os, const __iom_t10<_Cp>& __x);
475 };
476
477 template <class _CharT, class _Traits>
478 basic_ostream<_CharT, _Traits>&
479 operator<<(basic_ostream<_CharT, _Traits>& __os, const __iom_t10<_CharT>& __x)
480 {
481 #ifndef _LIBCPP_NO_EXCEPTIONS
482 try
483 {
484 #endif // _LIBCPP_NO_EXCEPTIONS
485 typename basic_ostream<_CharT, _Traits>::sentry __s(__os);
486 if (__s)
487 {
488 typedef ostreambuf_iterator<_CharT, _Traits> _Op;
489 typedef time_put<_CharT, _Op> _Fp;
490 const _Fp& __tf = use_facet<_Fp>(__os.getloc());
491 if (__tf.put(_Op(__os), __os, __os.fill(), __x.__tm_,
492 __x.__fmt_, __x.__fmt_ + _Traits::length(__x.__fmt_)).f ailed())
493 __os.setstate(ios_base::badbit);
494 }
495 #ifndef _LIBCPP_NO_EXCEPTIONS
496 }
497 catch (...)
498 {
499 __os.__set_badbit_and_consider_rethrow();
500 }
501 #endif // _LIBCPP_NO_EXCEPTIONS
502 return __os;
503 }
504
505 template <class _CharT>
506 inline _LIBCPP_INLINE_VISIBILITY
507 __iom_t10<_CharT>
508 put_time(const tm* __tm, const _CharT* __fmt)
509 {
510 return __iom_t10<_CharT>(__tm, __fmt);
511 }
512
513 #if _LIBCPP_STD_VER > 11
514
515 template <class _CharT, class _Traits, class _ForwardIterator>
516 std::basic_ostream<_CharT, _Traits> &
517 __quoted_output ( basic_ostream<_CharT, _Traits> &__os,
518 _ForwardIterator __first, _ForwardIterator __last, _CharT __delim, _Char T __escape )
519 {
520 __os << __delim;
521 for ( ; __first != __last; ++ __first )
522 {
523 if (_Traits::eq (*__first, __escape) || _Traits::eq (*__first, __delim))
524 __os << __escape;
525 __os << *__first;
526 }
527 __os << __delim;
528 return __os;
529 }
530
531 template <class _CharT, class _Traits, class _String>
532 basic_istream<_CharT, _Traits> &
533 __quoted_input ( basic_istream<_CharT, _Traits> &__is, _String & __string, _Char T __delim, _CharT __escape )
534 {
535 __string.clear ();
536 _CharT __c;
537 __is >> __c;
538 if ( __is.fail ())
539 return __is;
540
541 if (!_Traits::eq (__c, __delim)) // no delimiter, read the whole string
542 {
543 __is.unget ();
544 __is >> __string;
545 return __is;
546 }
547
548 __save_flags<_CharT, _Traits> sf(__is);
549 noskipws (__is);
550 while (true)
551 {
552 __is >> __c;
553 if ( __is.fail ())
554 break;
555 if (_Traits::eq (__c, __escape))
556 {
557 __is >> __c;
558 if ( __is.fail ())
559 break;
560 }
561 else if (_Traits::eq (__c, __delim))
562 break;
563 __string.push_back ( __c );
564 }
565 return __is;
566 }
567
568
569 template <class _CharT, class _Iter, class _Traits=char_traits<_CharT>>
570 struct __quoted_output_proxy
571 {
572 _Iter __first;
573 _Iter __last;
574 _CharT __delim;
575 _CharT __escape;
576
577 __quoted_output_proxy(_Iter __f, _Iter __l, _CharT __d, _CharT __e)
578 : __first(__f), __last(__l), __delim(__d), __escape(__e) {}
579 // This would be a nice place for a string_ref
580 };
581
582 template <class _CharT, class _Traits, class _Iter>
583 basic_ostream<_CharT, _Traits>& operator<<(
584 basic_ostream<_CharT, _Traits>& __os,
585 const __quoted_output_proxy<_CharT, _Iter, _Traits> & __proxy)
586 {
587 return __quoted_output (__os, __proxy.__first, __proxy.__last, __proxy.__del im, __proxy.__escape);
588 }
589
590 template <class _CharT, class _Traits, class _Allocator>
591 struct __quoted_proxy
592 {
593 basic_string<_CharT, _Traits, _Allocator> &__string;
594 _CharT __delim;
595 _CharT __escape;
596
597 __quoted_proxy(basic_string<_CharT, _Traits, _Allocator> &__s, _CharT __d, _ CharT __e)
598 : __string(__s), __delim(__d), __escape(__e) {}
599 };
600
601 template <class _CharT, class _Traits, class _Allocator>
602 _LIBCPP_INLINE_VISIBILITY
603 basic_ostream<_CharT, _Traits>& operator<<(
604 basic_ostream<_CharT, _Traits>& __os,
605 const __quoted_proxy<_CharT, _Traits, _Allocator> & __proxy)
606 {
607 return __quoted_output (__os, __proxy.string.cbegin (), __proxy.string.cend (), __proxy.__delim, __proxy.__escape);
608 }
609
610 // extractor for non-const basic_string& proxies
611 template <class _CharT, class _Traits, class _Allocator>
612 _LIBCPP_INLINE_VISIBILITY
613 basic_istream<_CharT, _Traits>& operator>>(
614 basic_istream<_CharT, _Traits>& __is,
615 const __quoted_proxy<_CharT, _Traits, _Allocator> & __proxy)
616 {
617 return __quoted_input ( __is, __proxy.__string, __proxy.__delim, __proxy.__e scape );
618 }
619
620
621 template <class _CharT>
622 _LIBCPP_INLINE_VISIBILITY
623 __quoted_output_proxy<_CharT, const _CharT *>
624 quoted ( const _CharT *__s, _CharT __delim = _CharT('"'), _CharT __escape =_Char T('\\'))
625 {
626 const _CharT *__end = __s;
627 while ( *__end ) ++__end;
628 return __quoted_output_proxy<_CharT, const _CharT *> ( __s, __end, __delim, __escape );
629 }
630
631 template <class _CharT, class _Traits, class _Allocator>
632 _LIBCPP_INLINE_VISIBILITY
633 __quoted_output_proxy<_CharT, typename basic_string <_CharT, _Traits, _Allocator >::const_iterator>
634 quoted ( const basic_string <_CharT, _Traits, _Allocator> &__s, _CharT __delim = _CharT('"'), _CharT __escape=_CharT('\\'))
635 {
636 return __quoted_output_proxy<_CharT,
637 typename basic_string <_CharT, _Traits, _Allocator>::const_iterator>
638 ( __s.cbegin(), __s.cend (), __delim, __escape );
639 }
640
641 template <class _CharT, class _Traits, class _Allocator>
642 __quoted_proxy<_CharT, _Traits, _Allocator>
643 quoted ( basic_string <_CharT, _Traits, _Allocator> &__s, _CharT __delim = _Char T('"'), _CharT __escape=_CharT('\\'))
644 {
645 return __quoted_proxy<_CharT, _Traits, _Allocator>( __s, __delim, __escape ) ;
646 }
647 #endif
648
649 _LIBCPP_END_NAMESPACE_STD
650
651 #endif // _LIBCPP_IOMANIP
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