/
__locale
1562 lines (1341 loc) · 48.3 KB
/
__locale
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
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP___LOCALE
#define _LIBCPP___LOCALE
#include <__config>
#include <__availability>
#include <string>
#include <memory>
#include <utility>
#include <mutex>
#include <cstdint>
#include <cctype>
#include <locale.h>
#if defined(_LIBCPP_MSVCRT_LIKE)
# include <cstring>
# include <support/win32/locale_win32.h>
#elif defined(_AIX) || defined(__MVS__)
# include <support/ibm/xlocale.h>
#elif defined(__ANDROID__)
# include <support/android/locale_bionic.h>
#elif defined(__sun__)
# include <xlocale.h>
# include <support/solaris/xlocale.h>
#elif defined(_NEWLIB_VERSION)
# include <support/newlib/xlocale.h>
#elif (defined(__APPLE__) || defined(__FreeBSD__) \
|| defined(__EMSCRIPTEN__) || defined(__IBMCPP__))
# include <xlocale.h>
#elif defined(__Fuchsia__)
# include <support/fuchsia/xlocale.h>
#elif defined(__wasi__)
// WASI libc uses musl's locales support.
# include <support/musl/xlocale.h>
#elif defined(_LIBCPP_HAS_MUSL_LIBC)
# include <support/musl/xlocale.h>
#endif
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
#if !defined(_LIBCPP_LOCALE__L_EXTENSIONS)
struct __libcpp_locale_guard {
_LIBCPP_INLINE_VISIBILITY
__libcpp_locale_guard(locale_t& __loc) : __old_loc_(uselocale(__loc)) {}
_LIBCPP_INLINE_VISIBILITY
~__libcpp_locale_guard() {
if (__old_loc_)
uselocale(__old_loc_);
}
locale_t __old_loc_;
private:
__libcpp_locale_guard(__libcpp_locale_guard const&);
__libcpp_locale_guard& operator=(__libcpp_locale_guard const&);
};
#elif defined(_LIBCPP_MSVCRT_LIKE)
struct __libcpp_locale_guard {
__libcpp_locale_guard(locale_t __l) :
__status(_configthreadlocale(_ENABLE_PER_THREAD_LOCALE)) {
// Setting the locale can be expensive even when the locale given is
// already the current locale, so do an explicit check to see if the
// current locale is already the one we want.
const char* __lc = __setlocale(nullptr);
// If every category is the same, the locale string will simply be the
// locale name, otherwise it will be a semicolon-separated string listing
// each category. In the second case, we know at least one category won't
// be what we want, so we only have to check the first case.
if (strcmp(__l.__get_locale(), __lc) != 0) {
__locale_all = _strdup(__lc);
if (__locale_all == nullptr)
__throw_bad_alloc();
__setlocale(__l.__get_locale());
}
}
~__libcpp_locale_guard() {
// The CRT documentation doesn't explicitly say, but setlocale() does the
// right thing when given a semicolon-separated list of locale settings
// for the different categories in the same format as returned by
// setlocale(LC_ALL, nullptr).
if (__locale_all != nullptr) {
__setlocale(__locale_all);
free(__locale_all);
}
_configthreadlocale(__status);
}
static const char* __setlocale(const char* __locale) {
const char* __new_locale = setlocale(LC_ALL, __locale);
if (__new_locale == nullptr)
__throw_bad_alloc();
return __new_locale;
}
int __status;
char* __locale_all = nullptr;
};
#endif
class _LIBCPP_TYPE_VIS locale;
template <class _Facet>
_LIBCPP_INLINE_VISIBILITY
bool
has_facet(const locale&) _NOEXCEPT;
template <class _Facet>
_LIBCPP_INLINE_VISIBILITY
const _Facet&
use_facet(const locale&);
class _LIBCPP_TYPE_VIS locale
{
public:
// types:
class _LIBCPP_TYPE_VIS facet;
class _LIBCPP_TYPE_VIS id;
typedef int category;
_LIBCPP_AVAILABILITY_LOCALE_CATEGORY
static const category // values assigned here are for exposition only
none = 0,
collate = LC_COLLATE_MASK,
ctype = LC_CTYPE_MASK,
monetary = LC_MONETARY_MASK,
numeric = LC_NUMERIC_MASK,
time = LC_TIME_MASK,
messages = LC_MESSAGES_MASK,
all = collate | ctype | monetary | numeric | time | messages;
// construct/copy/destroy:
locale() _NOEXCEPT;
locale(const locale&) _NOEXCEPT;
explicit locale(const char*);
explicit locale(const string&);
locale(const locale&, const char*, category);
locale(const locale&, const string&, category);
template <class _Facet>
_LIBCPP_INLINE_VISIBILITY locale(const locale&, _Facet*);
locale(const locale&, const locale&, category);
~locale();
const locale& operator=(const locale&) _NOEXCEPT;
template <class _Facet>
_LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS
locale combine(const locale&) const;
// locale operations:
string name() const;
bool operator==(const locale&) const;
bool operator!=(const locale& __y) const {return !(*this == __y);}
template <class _CharT, class _Traits, class _Allocator>
_LIBCPP_METHOD_TEMPLATE_IMPLICIT_INSTANTIATION_VIS
bool operator()(const basic_string<_CharT, _Traits, _Allocator>&,
const basic_string<_CharT, _Traits, _Allocator>&) const;
// global locale objects:
static locale global(const locale&);
static const locale& classic();
private:
class __imp;
__imp* __locale_;
void __install_ctor(const locale&, facet*, long);
static locale& __global();
bool has_facet(id&) const;
const facet* use_facet(id&) const;
template <class _Facet> friend bool has_facet(const locale&) _NOEXCEPT;
template <class _Facet> friend const _Facet& use_facet(const locale&);
};
class _LIBCPP_TYPE_VIS locale::facet
: public __shared_count
{
protected:
_LIBCPP_INLINE_VISIBILITY
explicit facet(size_t __refs = 0)
: __shared_count(static_cast<long>(__refs)-1) {}
virtual ~facet();
// facet(const facet&) = delete; // effectively done in __shared_count
// void operator=(const facet&) = delete;
private:
virtual void __on_zero_shared() _NOEXCEPT;
};
class _LIBCPP_TYPE_VIS locale::id
{
once_flag __flag_;
int32_t __id_;
static int32_t __next_id;
public:
_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR id() :__id_(0) {}
private:
void __init();
void operator=(const id&); // = delete;
id(const id&); // = delete;
public: // only needed for tests
long __get();
friend class locale;
friend class locale::__imp;
};
template <class _Facet>
inline _LIBCPP_INLINE_VISIBILITY
locale::locale(const locale& __other, _Facet* __f)
{
__install_ctor(__other, __f, __f ? __f->id.__get() : 0);
}
template <class _Facet>
locale
locale::combine(const locale& __other) const
{
if (!_VSTD::has_facet<_Facet>(__other))
__throw_runtime_error("locale::combine: locale missing facet");
return locale(*this, &const_cast<_Facet&>(_VSTD::use_facet<_Facet>(__other)));
}
template <class _Facet>
inline _LIBCPP_INLINE_VISIBILITY
bool
has_facet(const locale& __l) _NOEXCEPT
{
return __l.has_facet(_Facet::id);
}
template <class _Facet>
inline _LIBCPP_INLINE_VISIBILITY
const _Facet&
use_facet(const locale& __l)
{
return static_cast<const _Facet&>(*__l.use_facet(_Facet::id));
}
// template <class _CharT> class collate;
template <class _CharT>
class _LIBCPP_TEMPLATE_VIS collate
: public locale::facet
{
public:
typedef _CharT char_type;
typedef basic_string<char_type> string_type;
_LIBCPP_INLINE_VISIBILITY
explicit collate(size_t __refs = 0)
: locale::facet(__refs) {}
_LIBCPP_INLINE_VISIBILITY
int compare(const char_type* __lo1, const char_type* __hi1,
const char_type* __lo2, const char_type* __hi2) const
{
return do_compare(__lo1, __hi1, __lo2, __hi2);
}
// FIXME(EricWF): The _LIBCPP_ALWAYS_INLINE is needed on Windows to work
// around a dllimport bug that expects an external instantiation.
_LIBCPP_INLINE_VISIBILITY
_LIBCPP_ALWAYS_INLINE
string_type transform(const char_type* __lo, const char_type* __hi) const
{
return do_transform(__lo, __hi);
}
_LIBCPP_INLINE_VISIBILITY
long hash(const char_type* __lo, const char_type* __hi) const
{
return do_hash(__lo, __hi);
}
static locale::id id;
protected:
~collate();
virtual int do_compare(const char_type* __lo1, const char_type* __hi1,
const char_type* __lo2, const char_type* __hi2) const;
virtual string_type do_transform(const char_type* __lo, const char_type* __hi) const
{return string_type(__lo, __hi);}
virtual long do_hash(const char_type* __lo, const char_type* __hi) const;
};
template <class _CharT> locale::id collate<_CharT>::id;
template <class _CharT>
collate<_CharT>::~collate()
{
}
template <class _CharT>
int
collate<_CharT>::do_compare(const char_type* __lo1, const char_type* __hi1,
const char_type* __lo2, const char_type* __hi2) const
{
for (; __lo2 != __hi2; ++__lo1, ++__lo2)
{
if (__lo1 == __hi1 || *__lo1 < *__lo2)
return -1;
if (*__lo2 < *__lo1)
return 1;
}
return __lo1 != __hi1;
}
template <class _CharT>
long
collate<_CharT>::do_hash(const char_type* __lo, const char_type* __hi) const
{
size_t __h = 0;
const size_t __sr = __CHAR_BIT__ * sizeof(size_t) - 8;
const size_t __mask = size_t(0xF) << (__sr + 4);
for(const char_type* __p = __lo; __p != __hi; ++__p)
{
__h = (__h << 4) + static_cast<size_t>(*__p);
size_t __g = __h & __mask;
__h ^= __g | (__g >> __sr);
}
return static_cast<long>(__h);
}
_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS collate<char>)
_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS collate<wchar_t>)
// template <class CharT> class collate_byname;
template <class _CharT> class _LIBCPP_TEMPLATE_VIS collate_byname;
template <>
class _LIBCPP_TYPE_VIS collate_byname<char>
: public collate<char>
{
locale_t __l;
public:
typedef char char_type;
typedef basic_string<char_type> string_type;
explicit collate_byname(const char* __n, size_t __refs = 0);
explicit collate_byname(const string& __n, size_t __refs = 0);
protected:
~collate_byname();
virtual int do_compare(const char_type* __lo1, const char_type* __hi1,
const char_type* __lo2, const char_type* __hi2) const;
virtual string_type do_transform(const char_type* __lo, const char_type* __hi) const;
};
template <>
class _LIBCPP_TYPE_VIS collate_byname<wchar_t>
: public collate<wchar_t>
{
locale_t __l;
public:
typedef wchar_t char_type;
typedef basic_string<char_type> string_type;
explicit collate_byname(const char* __n, size_t __refs = 0);
explicit collate_byname(const string& __n, size_t __refs = 0);
protected:
~collate_byname();
virtual int do_compare(const char_type* __lo1, const char_type* __hi1,
const char_type* __lo2, const char_type* __hi2) const;
virtual string_type do_transform(const char_type* __lo, const char_type* __hi) const;
};
template <class _CharT, class _Traits, class _Allocator>
bool
locale::operator()(const basic_string<_CharT, _Traits, _Allocator>& __x,
const basic_string<_CharT, _Traits, _Allocator>& __y) const
{
return _VSTD::use_facet<_VSTD::collate<_CharT> >(*this).compare(
__x.data(), __x.data() + __x.size(),
__y.data(), __y.data() + __y.size()) < 0;
}
// template <class charT> class ctype
class _LIBCPP_TYPE_VIS ctype_base
{
public:
#if defined(_LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE)
typedef unsigned long mask;
static const mask space = 1<<0;
static const mask print = 1<<1;
static const mask cntrl = 1<<2;
static const mask upper = 1<<3;
static const mask lower = 1<<4;
static const mask alpha = 1<<5;
static const mask digit = 1<<6;
static const mask punct = 1<<7;
static const mask xdigit = 1<<8;
static const mask blank = 1<<9;
#if defined(__BIONIC__)
// Historically this was a part of regex_traits rather than ctype_base. The
// historical value of the constant is preserved for ABI compatibility.
static const mask __regex_word = 0x8000;
#else
static const mask __regex_word = 1<<10;
#endif // defined(__BIONIC__)
#elif defined(__GLIBC__)
typedef unsigned short mask;
static const mask space = _ISspace;
static const mask print = _ISprint;
static const mask cntrl = _IScntrl;
static const mask upper = _ISupper;
static const mask lower = _ISlower;
static const mask alpha = _ISalpha;
static const mask digit = _ISdigit;
static const mask punct = _ISpunct;
static const mask xdigit = _ISxdigit;
static const mask blank = _ISblank;
#if defined(__mips__)
static const mask __regex_word = static_cast<mask>(_ISbit(15));
#else
static const mask __regex_word = 0x80;
#endif
#elif defined(_LIBCPP_MSVCRT_LIKE)
typedef unsigned short mask;
static const mask space = _SPACE;
static const mask print = _BLANK|_PUNCT|_ALPHA|_DIGIT;
static const mask cntrl = _CONTROL;
static const mask upper = _UPPER;
static const mask lower = _LOWER;
static const mask alpha = _ALPHA;
static const mask digit = _DIGIT;
static const mask punct = _PUNCT;
static const mask xdigit = _HEX;
static const mask blank = _BLANK;
static const mask __regex_word = 0x80;
# define _LIBCPP_CTYPE_MASK_IS_COMPOSITE_PRINT
#elif defined(__APPLE__) || defined(__FreeBSD__) || defined(__EMSCRIPTEN__) || defined(__NetBSD__)
# ifdef __APPLE__
typedef __uint32_t mask;
# elif defined(__FreeBSD__)
typedef unsigned long mask;
# elif defined(__EMSCRIPTEN__) || defined(__NetBSD__)
typedef unsigned short mask;
# endif
static const mask space = _CTYPE_S;
static const mask print = _CTYPE_R;
static const mask cntrl = _CTYPE_C;
static const mask upper = _CTYPE_U;
static const mask lower = _CTYPE_L;
static const mask alpha = _CTYPE_A;
static const mask digit = _CTYPE_D;
static const mask punct = _CTYPE_P;
static const mask xdigit = _CTYPE_X;
# if defined(__NetBSD__)
static const mask blank = _CTYPE_BL;
// NetBSD defines classes up to 0x2000
// see sys/ctype_bits.h, _CTYPE_Q
static const mask __regex_word = 0x8000;
# else
static const mask blank = _CTYPE_B;
static const mask __regex_word = 0x80;
# endif
#elif defined(__sun__) || defined(_AIX)
typedef unsigned int mask;
static const mask space = _ISSPACE;
static const mask print = _ISPRINT;
static const mask cntrl = _ISCNTRL;
static const mask upper = _ISUPPER;
static const mask lower = _ISLOWER;
static const mask alpha = _ISALPHA;
static const mask digit = _ISDIGIT;
static const mask punct = _ISPUNCT;
static const mask xdigit = _ISXDIGIT;
static const mask blank = _ISBLANK;
static const mask __regex_word = 0x80;
#elif defined(_NEWLIB_VERSION)
// Same type as Newlib's _ctype_ array in newlib/libc/include/ctype.h.
typedef char mask;
static const mask space = _S;
static const mask print = _P | _U | _L | _N | _B;
static const mask cntrl = _C;
static const mask upper = _U;
static const mask lower = _L;
static const mask alpha = _U | _L;
static const mask digit = _N;
static const mask punct = _P;
static const mask xdigit = _X | _N;
static const mask blank = _B;
static const mask __regex_word = 0x80;
# define _LIBCPP_CTYPE_MASK_IS_COMPOSITE_PRINT
# define _LIBCPP_CTYPE_MASK_IS_COMPOSITE_ALPHA
# define _LIBCPP_CTYPE_MASK_IS_COMPOSITE_XDIGIT
#else
# error unknown rune table for this platform -- do you mean to define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE?
#endif
static const mask alnum = alpha | digit;
static const mask graph = alnum | punct;
_LIBCPP_INLINE_VISIBILITY ctype_base() {}
};
template <class _CharT> class _LIBCPP_TEMPLATE_VIS ctype;
template <>
class _LIBCPP_TYPE_VIS ctype<wchar_t>
: public locale::facet,
public ctype_base
{
public:
typedef wchar_t char_type;
_LIBCPP_INLINE_VISIBILITY
explicit ctype(size_t __refs = 0)
: locale::facet(__refs) {}
_LIBCPP_INLINE_VISIBILITY
bool is(mask __m, char_type __c) const
{
return do_is(__m, __c);
}
_LIBCPP_INLINE_VISIBILITY
const char_type* is(const char_type* __low, const char_type* __high, mask* __vec) const
{
return do_is(__low, __high, __vec);
}
_LIBCPP_INLINE_VISIBILITY
const char_type* scan_is(mask __m, const char_type* __low, const char_type* __high) const
{
return do_scan_is(__m, __low, __high);
}
_LIBCPP_INLINE_VISIBILITY
const char_type* scan_not(mask __m, const char_type* __low, const char_type* __high) const
{
return do_scan_not(__m, __low, __high);
}
_LIBCPP_INLINE_VISIBILITY
char_type toupper(char_type __c) const
{
return do_toupper(__c);
}
_LIBCPP_INLINE_VISIBILITY
const char_type* toupper(char_type* __low, const char_type* __high) const
{
return do_toupper(__low, __high);
}
_LIBCPP_INLINE_VISIBILITY
char_type tolower(char_type __c) const
{
return do_tolower(__c);
}
_LIBCPP_INLINE_VISIBILITY
const char_type* tolower(char_type* __low, const char_type* __high) const
{
return do_tolower(__low, __high);
}
_LIBCPP_INLINE_VISIBILITY
char_type widen(char __c) const
{
return do_widen(__c);
}
_LIBCPP_INLINE_VISIBILITY
const char* widen(const char* __low, const char* __high, char_type* __to) const
{
return do_widen(__low, __high, __to);
}
_LIBCPP_INLINE_VISIBILITY
char narrow(char_type __c, char __dfault) const
{
return do_narrow(__c, __dfault);
}
_LIBCPP_INLINE_VISIBILITY
const char_type* narrow(const char_type* __low, const char_type* __high, char __dfault, char* __to) const
{
return do_narrow(__low, __high, __dfault, __to);
}
static locale::id id;
protected:
~ctype();
virtual bool do_is(mask __m, char_type __c) const;
virtual const char_type* do_is(const char_type* __low, const char_type* __high, mask* __vec) const;
virtual const char_type* do_scan_is(mask __m, const char_type* __low, const char_type* __high) const;
virtual const char_type* do_scan_not(mask __m, const char_type* __low, const char_type* __high) const;
virtual char_type do_toupper(char_type) const;
virtual const char_type* do_toupper(char_type* __low, const char_type* __high) const;
virtual char_type do_tolower(char_type) const;
virtual const char_type* do_tolower(char_type* __low, const char_type* __high) const;
virtual char_type do_widen(char) const;
virtual const char* do_widen(const char* __low, const char* __high, char_type* __dest) const;
virtual char do_narrow(char_type, char __dfault) const;
virtual const char_type* do_narrow(const char_type* __low, const char_type* __high, char __dfault, char* __dest) const;
};
template <>
class _LIBCPP_TYPE_VIS ctype<char>
: public locale::facet, public ctype_base
{
const mask* __tab_;
bool __del_;
public:
typedef char char_type;
explicit ctype(const mask* __tab = 0, bool __del = false, size_t __refs = 0);
_LIBCPP_INLINE_VISIBILITY
bool is(mask __m, char_type __c) const
{
return isascii(__c) ? (__tab_[static_cast<int>(__c)] & __m) !=0 : false;
}
_LIBCPP_INLINE_VISIBILITY
const char_type* is(const char_type* __low, const char_type* __high, mask* __vec) const
{
for (; __low != __high; ++__low, ++__vec)
*__vec = isascii(*__low) ? __tab_[static_cast<int>(*__low)] : 0;
return __low;
}
_LIBCPP_INLINE_VISIBILITY
const char_type* scan_is (mask __m, const char_type* __low, const char_type* __high) const
{
for (; __low != __high; ++__low)
if (isascii(*__low) && (__tab_[static_cast<int>(*__low)] & __m))
break;
return __low;
}
_LIBCPP_INLINE_VISIBILITY
const char_type* scan_not(mask __m, const char_type* __low, const char_type* __high) const
{
for (; __low != __high; ++__low)
if (!(isascii(*__low) && (__tab_[static_cast<int>(*__low)] & __m)))
break;
return __low;
}
_LIBCPP_INLINE_VISIBILITY
char_type toupper(char_type __c) const
{
return do_toupper(__c);
}
_LIBCPP_INLINE_VISIBILITY
const char_type* toupper(char_type* __low, const char_type* __high) const
{
return do_toupper(__low, __high);
}
_LIBCPP_INLINE_VISIBILITY
char_type tolower(char_type __c) const
{
return do_tolower(__c);
}
_LIBCPP_INLINE_VISIBILITY
const char_type* tolower(char_type* __low, const char_type* __high) const
{
return do_tolower(__low, __high);
}
_LIBCPP_INLINE_VISIBILITY
char_type widen(char __c) const
{
return do_widen(__c);
}
_LIBCPP_INLINE_VISIBILITY
const char* widen(const char* __low, const char* __high, char_type* __to) const
{
return do_widen(__low, __high, __to);
}
_LIBCPP_INLINE_VISIBILITY
char narrow(char_type __c, char __dfault) const
{
return do_narrow(__c, __dfault);
}
_LIBCPP_INLINE_VISIBILITY
const char* narrow(const char_type* __low, const char_type* __high, char __dfault, char* __to) const
{
return do_narrow(__low, __high, __dfault, __to);
}
static locale::id id;
#ifdef _CACHED_RUNES
static const size_t table_size = _CACHED_RUNES;
#else
static const size_t table_size = 256; // FIXME: Don't hardcode this.
#endif
_LIBCPP_INLINE_VISIBILITY const mask* table() const _NOEXCEPT {return __tab_;}
static const mask* classic_table() _NOEXCEPT;
#if defined(__GLIBC__) || defined(__EMSCRIPTEN__)
static const int* __classic_upper_table() _NOEXCEPT;
static const int* __classic_lower_table() _NOEXCEPT;
#endif
#if defined(__NetBSD__)
static const short* __classic_upper_table() _NOEXCEPT;
static const short* __classic_lower_table() _NOEXCEPT;
#endif
protected:
~ctype();
virtual char_type do_toupper(char_type __c) const;
virtual const char_type* do_toupper(char_type* __low, const char_type* __high) const;
virtual char_type do_tolower(char_type __c) const;
virtual const char_type* do_tolower(char_type* __low, const char_type* __high) const;
virtual char_type do_widen(char __c) const;
virtual const char* do_widen(const char* __low, const char* __high, char_type* __to) const;
virtual char do_narrow(char_type __c, char __dfault) const;
virtual const char* do_narrow(const char_type* __low, const char_type* __high, char __dfault, char* __to) const;
};
// template <class CharT> class ctype_byname;
template <class _CharT> class _LIBCPP_TEMPLATE_VIS ctype_byname;
template <>
class _LIBCPP_TYPE_VIS ctype_byname<char>
: public ctype<char>
{
locale_t __l;
public:
explicit ctype_byname(const char*, size_t = 0);
explicit ctype_byname(const string&, size_t = 0);
protected:
~ctype_byname();
virtual char_type do_toupper(char_type) const;
virtual const char_type* do_toupper(char_type* __low, const char_type* __high) const;
virtual char_type do_tolower(char_type) const;
virtual const char_type* do_tolower(char_type* __low, const char_type* __high) const;
};
template <>
class _LIBCPP_TYPE_VIS ctype_byname<wchar_t>
: public ctype<wchar_t>
{
locale_t __l;
public:
explicit ctype_byname(const char*, size_t = 0);
explicit ctype_byname(const string&, size_t = 0);
protected:
~ctype_byname();
virtual bool do_is(mask __m, char_type __c) const;
virtual const char_type* do_is(const char_type* __low, const char_type* __high, mask* __vec) const;
virtual const char_type* do_scan_is(mask __m, const char_type* __low, const char_type* __high) const;
virtual const char_type* do_scan_not(mask __m, const char_type* __low, const char_type* __high) const;
virtual char_type do_toupper(char_type) const;
virtual const char_type* do_toupper(char_type* __low, const char_type* __high) const;
virtual char_type do_tolower(char_type) const;
virtual const char_type* do_tolower(char_type* __low, const char_type* __high) const;
virtual char_type do_widen(char) const;
virtual const char* do_widen(const char* __low, const char* __high, char_type* __dest) const;
virtual char do_narrow(char_type, char __dfault) const;
virtual const char_type* do_narrow(const char_type* __low, const char_type* __high, char __dfault, char* __dest) const;
};
template <class _CharT>
inline _LIBCPP_INLINE_VISIBILITY
bool
isspace(_CharT __c, const locale& __loc)
{
return use_facet<ctype<_CharT> >(__loc).is(ctype_base::space, __c);
}
template <class _CharT>
inline _LIBCPP_INLINE_VISIBILITY
bool
isprint(_CharT __c, const locale& __loc)
{
return use_facet<ctype<_CharT> >(__loc).is(ctype_base::print, __c);
}
template <class _CharT>
inline _LIBCPP_INLINE_VISIBILITY
bool
iscntrl(_CharT __c, const locale& __loc)
{
return use_facet<ctype<_CharT> >(__loc).is(ctype_base::cntrl, __c);
}
template <class _CharT>
inline _LIBCPP_INLINE_VISIBILITY
bool
isupper(_CharT __c, const locale& __loc)
{
return use_facet<ctype<_CharT> >(__loc).is(ctype_base::upper, __c);
}
template <class _CharT>
inline _LIBCPP_INLINE_VISIBILITY
bool
islower(_CharT __c, const locale& __loc)
{
return use_facet<ctype<_CharT> >(__loc).is(ctype_base::lower, __c);
}
template <class _CharT>
inline _LIBCPP_INLINE_VISIBILITY
bool
isalpha(_CharT __c, const locale& __loc)
{
return use_facet<ctype<_CharT> >(__loc).is(ctype_base::alpha, __c);
}
template <class _CharT>
inline _LIBCPP_INLINE_VISIBILITY
bool
isdigit(_CharT __c, const locale& __loc)
{
return use_facet<ctype<_CharT> >(__loc).is(ctype_base::digit, __c);
}
template <class _CharT>
inline _LIBCPP_INLINE_VISIBILITY
bool
ispunct(_CharT __c, const locale& __loc)
{
return use_facet<ctype<_CharT> >(__loc).is(ctype_base::punct, __c);
}
template <class _CharT>
inline _LIBCPP_INLINE_VISIBILITY
bool
isxdigit(_CharT __c, const locale& __loc)
{
return use_facet<ctype<_CharT> >(__loc).is(ctype_base::xdigit, __c);
}
template <class _CharT>
inline _LIBCPP_INLINE_VISIBILITY
bool
isalnum(_CharT __c, const locale& __loc)
{
return use_facet<ctype<_CharT> >(__loc).is(ctype_base::alnum, __c);
}
template <class _CharT>
inline _LIBCPP_INLINE_VISIBILITY
bool
isgraph(_CharT __c, const locale& __loc)
{
return use_facet<ctype<_CharT> >(__loc).is(ctype_base::graph, __c);
}
template <class _CharT>
inline _LIBCPP_INLINE_VISIBILITY
_CharT
toupper(_CharT __c, const locale& __loc)
{
return use_facet<ctype<_CharT> >(__loc).toupper(__c);
}
template <class _CharT>
inline _LIBCPP_INLINE_VISIBILITY
_CharT
tolower(_CharT __c, const locale& __loc)
{
return use_facet<ctype<_CharT> >(__loc).tolower(__c);
}
// codecvt_base
class _LIBCPP_TYPE_VIS codecvt_base
{
public:
_LIBCPP_INLINE_VISIBILITY codecvt_base() {}
enum result {ok, partial, error, noconv};
};
// template <class internT, class externT, class stateT> class codecvt;
template <class _InternT, class _ExternT, class _StateT> class _LIBCPP_TEMPLATE_VIS codecvt;
// template <> class codecvt<char, char, mbstate_t>
template <>
class _LIBCPP_TYPE_VIS codecvt<char, char, mbstate_t>
: public locale::facet,
public codecvt_base
{
public:
typedef char intern_type;
typedef char extern_type;
typedef mbstate_t state_type;
_LIBCPP_INLINE_VISIBILITY
explicit codecvt(size_t __refs = 0)
: locale::facet(__refs) {}
_LIBCPP_INLINE_VISIBILITY
result out(state_type& __st,
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt,
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const
{
return do_out(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
}
_LIBCPP_INLINE_VISIBILITY
result unshift(state_type& __st,
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const
{
return do_unshift(__st, __to, __to_end, __to_nxt);
}
_LIBCPP_INLINE_VISIBILITY
result in(state_type& __st,
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt,
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const
{
return do_in(__st, __frm, __frm_end, __frm_nxt, __to, __to_end, __to_nxt);
}
_LIBCPP_INLINE_VISIBILITY
int encoding() const _NOEXCEPT
{
return do_encoding();
}
_LIBCPP_INLINE_VISIBILITY
bool always_noconv() const _NOEXCEPT
{
return do_always_noconv();
}
_LIBCPP_INLINE_VISIBILITY
int length(state_type& __st, const extern_type* __frm, const extern_type* __end, size_t __mx) const
{
return do_length(__st, __frm, __end, __mx);
}
_LIBCPP_INLINE_VISIBILITY
int max_length() const _NOEXCEPT
{
return do_max_length();
}
static locale::id id;
protected:
_LIBCPP_INLINE_VISIBILITY
explicit codecvt(const char*, size_t __refs = 0)
: locale::facet(__refs) {}
~codecvt();
virtual result do_out(state_type& __st,
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt,
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
virtual result do_in(state_type& __st,
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt,
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const;
virtual result do_unshift(state_type& __st,
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
virtual int do_encoding() const _NOEXCEPT;
virtual bool do_always_noconv() const _NOEXCEPT;
virtual int do_length(state_type& __st, const extern_type* __frm, const extern_type* __end, size_t __mx) const;
virtual int do_max_length() const _NOEXCEPT;
};
// template <> class codecvt<wchar_t, char, mbstate_t>
template <>
class _LIBCPP_TYPE_VIS codecvt<wchar_t, char, mbstate_t>
: public locale::facet,
public codecvt_base
{
locale_t __l;
public: