forked from swiftlang/swift-corelibs-foundation
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathCFLocale.c
1897 lines (1733 loc) · 85.4 KB
/
CFLocale.c
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
/* CFLocale.c
Copyright (c) 2002-2018, Apple Inc. and the Swift project authors
Portions Copyright (c) 2014-2018, Apple Inc. and the Swift project authors
Licensed under Apache License v2.0 with Runtime Library Exception
See http://swift.org/LICENSE.txt for license information
See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
Responsibility: David Smith
*/
// Note the header file is in the OpenSource set (stripped to almost nothing), but not the .c file
#include <CoreFoundation/CFLocale.h>
#include <CoreFoundation/CFLocale_Private.h>
#include <CoreFoundation/CFString.h>
#include <CoreFoundation/CFArray.h>
#include <CoreFoundation/CFDictionary.h>
#include <CoreFoundation/CFPreferences.h>
#include <CoreFoundation/CFCalendar.h>
#include <CoreFoundation/CFNumber.h>
#include "CFInternal.h"
#include "CFRuntime_Internal.h"
#include "CFBundle_Internal.h"
#include "CFLocaleInternal.h"
#include <stdatomic.h>
#if TARGET_OS_MAC || TARGET_OS_WIN32 || TARGET_OS_LINUX || TARGET_OS_BSD
#include <unicode/uloc.h> // ICU locales
#include <unicode/ulocdata.h> // ICU locale data
#include <unicode/ucal.h>
#include <unicode/ucurr.h> // ICU currency functions
#include <unicode/uset.h> // ICU Unicode sets
#include <unicode/putil.h> // ICU low-level utilities
#include <unicode/umsg.h> // ICU message formatting
#include <unicode/ucol.h>
#include <unicode/unumsys.h> // ICU numbering systems
#include <unicode/uvernum.h>
#if U_ICU_VERSION_MAJOR_NUM > 53 && __has_include(<unicode/uameasureformat.h>)
#include <unicode/uameasureformat.h>
extern int32_t
uameasfmt_getUnitsForUsage( const char* locale,
const char* category,
const char* usage,
UAMeasureUnit* units,
int32_t unitsCapacity,
UErrorCode* status );
#endif
#endif
#include <CoreFoundation/CFNumberFormatter.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#if TARGET_OS_IPHONE
#include <mach-o/dyld_priv.h>
#endif
CF_PRIVATE CFCalendarRef _CFCalendarCreateCoWWithIdentifier(CFStringRef identifier);
CONST_STRING_DECL(kCFLocaleCurrentLocaleDidChangeNotification, "kCFLocaleCurrentLocaleDidChangeNotification")
static const char * const kCalendarKeyword = "calendar";
static const char * const kCollationKeyword = "collation";
#define kMaxICUNameSize 1024
typedef struct __CFLocale *CFMutableLocaleRef;
CONST_STRING_DECL(__kCFLocaleCollatorID, "locale:collator id")
enum {
__kCFLocaleKeyTableCount = 22
};
struct key_table {
CFStringRef key;
bool (*get)(CFLocaleRef, bool user, CFTypeRef *, CFStringRef context); // returns an immutable copy & reference
bool (*set)(CFMutableLocaleRef, CFTypeRef, CFStringRef context);
bool (*name)(const char *, const char *, CFStringRef *);
CFStringRef context;
};
// Must forward decl. these functions:
static bool __CFLocaleCopyLocaleID(CFLocaleRef locale, bool user, CFTypeRef *cf, CFStringRef context);
static bool __CFLocaleSetNOP(CFMutableLocaleRef locale, CFTypeRef cf, CFStringRef context);
static bool __CFLocaleFullName(const char *locale, const char *value, CFStringRef *out);
static bool __CFLocaleCopyCodes(CFLocaleRef locale, bool user, CFTypeRef *cf, CFStringRef context);
static bool __CFLocaleCountryName(const char *locale, const char *value, CFStringRef *out);
static bool __CFLocaleScriptName(const char *locale, const char *value, CFStringRef *out);
static bool __CFLocaleLanguageName(const char *locale, const char *value, CFStringRef *out);
static bool __CFLocaleCurrencyShortName(const char *locale, const char *value, CFStringRef *out);
static bool __CFLocaleCopyExemplarCharSet(CFLocaleRef locale, bool user, CFTypeRef *cf, CFStringRef context);
static bool __CFLocaleVariantName(const char *locale, const char *value, CFStringRef *out);
static bool __CFLocaleNoName(const char *locale, const char *value, CFStringRef *out);
static bool __CFLocaleCopyCalendarID(CFLocaleRef locale, bool user, CFTypeRef *cf, CFStringRef context);
static bool __CFLocaleCalendarName(const char *locale, const char *value, CFStringRef *out);
static bool __CFLocaleCollationName(const char *locale, const char *value, CFStringRef *out);
static bool __CFLocaleCopyUsesMetric(CFLocaleRef locale, bool user, CFTypeRef *cf, CFStringRef context);
static bool __CFLocaleCopyCalendar(CFLocaleRef locale, bool user, CFTypeRef *cf, CFStringRef context);
static bool __CFLocaleCopyCollationID(CFLocaleRef locale, bool user, CFTypeRef *cf, CFStringRef context);
static bool __CFLocaleCopyMeasurementSystem(CFLocaleRef locale, bool user, CFTypeRef *cf, CFStringRef context);
static bool __CFLocaleCopyTemperatureUnit(CFLocaleRef locale, bool user, CFTypeRef *cf, CFStringRef context);
static bool __CFLocaleCopyNumberFormat(CFLocaleRef locale, bool user, CFTypeRef *cf, CFStringRef context);
static bool __CFLocaleCopyNumberFormat2(CFLocaleRef locale, bool user, CFTypeRef *cf, CFStringRef context);
static bool __CFLocaleCurrencyFullName(const char *locale, const char *value, CFStringRef *out);
static bool __CFLocaleCopyCollatorID(CFLocaleRef locale, bool user, CFTypeRef *cf, CFStringRef context);
static bool __CFLocaleCopyDelimiter(CFLocaleRef locale, bool user, CFTypeRef *cf, CFStringRef context);
// Note string members start with an extra &, and are fixed up at init time
static struct key_table __CFLocaleKeyTable[__kCFLocaleKeyTableCount] = {
{(CFStringRef)&kCFLocaleIdentifierKey, __CFLocaleCopyLocaleID, __CFLocaleSetNOP, __CFLocaleFullName, NULL},
{(CFStringRef)&kCFLocaleLanguageCodeKey, __CFLocaleCopyCodes, __CFLocaleSetNOP, __CFLocaleLanguageName, (CFStringRef)&kCFLocaleLanguageCodeKey},
{(CFStringRef)&kCFLocaleCountryCodeKey, __CFLocaleCopyCodes, __CFLocaleSetNOP, __CFLocaleCountryName, (CFStringRef)&kCFLocaleCountryCodeKey},
{(CFStringRef)&kCFLocaleScriptCodeKey, __CFLocaleCopyCodes, __CFLocaleSetNOP, __CFLocaleScriptName, (CFStringRef)&kCFLocaleScriptCodeKey},
{(CFStringRef)&kCFLocaleVariantCodeKey, __CFLocaleCopyCodes, __CFLocaleSetNOP, __CFLocaleVariantName, (CFStringRef)&kCFLocaleVariantCodeKey},
{(CFStringRef)&kCFLocaleExemplarCharacterSetKey, __CFLocaleCopyExemplarCharSet, __CFLocaleSetNOP, __CFLocaleNoName, NULL},
{(CFStringRef)&kCFLocaleCalendarIdentifierKey, __CFLocaleCopyCalendarID, __CFLocaleSetNOP, __CFLocaleCalendarName, NULL},
{(CFStringRef)&kCFLocaleCalendarKey, __CFLocaleCopyCalendar, __CFLocaleSetNOP, __CFLocaleNoName, NULL},
{(CFStringRef)&kCFLocaleCollationIdentifierKey, __CFLocaleCopyCollationID, __CFLocaleSetNOP, __CFLocaleCollationName, NULL},
{(CFStringRef)&kCFLocaleUsesMetricSystemKey, __CFLocaleCopyUsesMetric, __CFLocaleSetNOP, __CFLocaleNoName, NULL},
{(CFStringRef)&kCFLocaleMeasurementSystemKey, __CFLocaleCopyMeasurementSystem, __CFLocaleSetNOP, __CFLocaleNoName, NULL},
{(CFStringRef)&kCFLocaleTemperatureUnitKey, __CFLocaleCopyTemperatureUnit, __CFLocaleSetNOP, __CFLocaleNoName, NULL},
{(CFStringRef)&kCFLocaleDecimalSeparatorKey, __CFLocaleCopyNumberFormat, __CFLocaleSetNOP, __CFLocaleNoName, (CFStringRef)&kCFNumberFormatterDecimalSeparatorKey},
{(CFStringRef)&kCFLocaleGroupingSeparatorKey, __CFLocaleCopyNumberFormat, __CFLocaleSetNOP, __CFLocaleNoName, (CFStringRef)&kCFNumberFormatterGroupingSeparatorKey},
{(CFStringRef)&kCFLocaleCurrencySymbolKey, __CFLocaleCopyNumberFormat2, __CFLocaleSetNOP, __CFLocaleCurrencyShortName, (CFStringRef)&kCFNumberFormatterCurrencySymbolKey},
{(CFStringRef)&kCFLocaleCurrencyCodeKey, __CFLocaleCopyNumberFormat2, __CFLocaleSetNOP, __CFLocaleCurrencyFullName, (CFStringRef)&kCFNumberFormatterCurrencyCodeKey},
{(CFStringRef)&kCFLocaleCollatorIdentifierKey, __CFLocaleCopyCollatorID, __CFLocaleSetNOP, __CFLocaleNoName, NULL},
{(CFStringRef)&__kCFLocaleCollatorID, __CFLocaleCopyCollatorID, __CFLocaleSetNOP, __CFLocaleNoName, NULL},
{(CFStringRef)&kCFLocaleQuotationBeginDelimiterKey, __CFLocaleCopyDelimiter, __CFLocaleSetNOP, __CFLocaleNoName, (CFStringRef)&kCFLocaleQuotationBeginDelimiterKey},
{(CFStringRef)&kCFLocaleQuotationEndDelimiterKey, __CFLocaleCopyDelimiter, __CFLocaleSetNOP, __CFLocaleNoName, (CFStringRef)&kCFLocaleQuotationEndDelimiterKey},
{(CFStringRef)&kCFLocaleAlternateQuotationBeginDelimiterKey, __CFLocaleCopyDelimiter, __CFLocaleSetNOP, __CFLocaleNoName, (CFStringRef)&kCFLocaleAlternateQuotationBeginDelimiterKey},
{(CFStringRef)&kCFLocaleAlternateQuotationEndDelimiterKey, __CFLocaleCopyDelimiter, __CFLocaleSetNOP, __CFLocaleNoName, (CFStringRef)&kCFLocaleAlternateQuotationEndDelimiterKey},
};
static CFLocaleRef __CFLocaleSystem = NULL;
static CFMutableDictionaryRef __CFLocaleCache = NULL;
static CFLock_t __CFLocaleGlobalLock = CFLockInit;
struct __CFLocale {
CFRuntimeBase _base;
CFStringRef _identifier; // canonical identifier, never NULL
CFMutableDictionaryRef _cache;
CFDictionaryRef _prefs;
CFLock_t _lock;
Boolean _nullLocale;
};
CF_PRIVATE Boolean __CFLocaleGetNullLocale(struct __CFLocale *locale) {
CF_OBJC_FUNCDISPATCHV(CFLocaleGetTypeID(), Boolean, (NSLocale *)locale, _nullLocale);
return locale->_nullLocale;
}
CF_PRIVATE void __CFLocaleSetNullLocale(struct __CFLocale *locale) {
CF_OBJC_FUNCDISPATCHV(CFLocaleGetTypeID(), void, (NSLocale *)locale, _setNullLocale);
locale->_nullLocale = true;
}
/* Flag bits */
enum { /* Bits 0-1 */
__kCFLocaleOrdinary = 0,
__kCFLocaleSystem = 1,
__kCFLocaleUser = 2,
__kCFLocaleCustom = 3
};
CF_INLINE CFIndex __CFLocaleGetType(CFLocaleRef locale) {
return __CFRuntimeGetValue(locale, 1, 0);
}
CF_INLINE void __CFLocaleSetType(CFLocaleRef locale, CFIndex type) {
__CFRuntimeSetValue(locale, 1, 0, (uint8_t)type);
}
CF_INLINE void __CFLocaleLockGlobal(void) {
__CFLock(&__CFLocaleGlobalLock);
}
CF_INLINE void __CFLocaleUnlockGlobal(void) {
__CFUnlock(&__CFLocaleGlobalLock);
}
CF_INLINE void __CFLocaleLock(CFLocaleRef locale) {
__CFLock(&((struct __CFLocale *)locale)->_lock);
}
CF_INLINE void __CFLocaleUnlock(CFLocaleRef locale) {
__CFUnlock(&((struct __CFLocale *)locale)->_lock);
}
static Boolean __CFLocaleEqual(CFTypeRef cf1, CFTypeRef cf2) {
CFLocaleRef locale1 = (CFLocaleRef)cf1;
CFLocaleRef locale2 = (CFLocaleRef)cf2;
// a user locale and a locale created with an ident are not the same even if their contents are
if (__CFLocaleGetType(locale1) != __CFLocaleGetType(locale2)) return false;
if (!CFEqual(locale1->_identifier, locale2->_identifier)) return false;
if (__kCFLocaleUser == __CFLocaleGetType(locale1)) {
return CFEqual(locale1->_prefs, locale2->_prefs);
}
return true;
}
static CFHashCode __CFLocaleHash(CFTypeRef cf) {
CFLocaleRef locale = (CFLocaleRef)cf;
return CFHash(locale->_identifier);
}
static CFStringRef __CFLocaleCopyDescription(CFTypeRef cf) {
CFLocaleRef locale = (CFLocaleRef)cf;
const char *type = NULL;
switch (__CFLocaleGetType(locale)) {
case __kCFLocaleOrdinary: type = "ordinary"; break;
case __kCFLocaleSystem: type = "system"; break;
case __kCFLocaleUser: type = "user"; break;
case __kCFLocaleCustom: type = "custom"; break;
}
return CFStringCreateWithFormat(CFGetAllocator(locale), NULL, CFSTR("<CFLocale %p [%p]>{type = %s, identifier = '%@'}"), cf, CFGetAllocator(locale), type, locale->_identifier);
}
static void __CFLocaleDeallocate(CFTypeRef cf) {
CFLocaleRef locale = (CFLocaleRef)cf;
CFRelease(locale->_identifier);
if (NULL != locale->_cache) CFRelease(locale->_cache);
if (NULL != locale->_prefs) CFRelease(locale->_prefs);
}
const CFRuntimeClass __CFLocaleClass = {
0,
"CFLocale",
NULL, // init
NULL, // copy
__CFLocaleDeallocate,
__CFLocaleEqual,
__CFLocaleHash,
NULL, //
__CFLocaleCopyDescription
};
CFTypeID CFLocaleGetTypeID(void) {
static dispatch_once_t initOnce;
dispatch_once(&initOnce, ^{
for (CFIndex idx = 0; idx < __kCFLocaleKeyTableCount; idx++) {
// table fixup to workaround compiler/language limitations
__CFLocaleKeyTable[idx].key = *((CFStringRef *)__CFLocaleKeyTable[idx].key);
if (NULL != __CFLocaleKeyTable[idx].context) {
__CFLocaleKeyTable[idx].context = *((CFStringRef *)__CFLocaleKeyTable[idx].context);
}
}
});
return _kCFRuntimeIDCFLocale;
}
CFLocaleRef CFLocaleGetSystem(void) {
CFLocaleRef locale;
CFLocaleRef uselessLocale = NULL; //if we lose the race creating the global locale, we need to release the one we created, but we want to do it outside the lock.
__CFLocaleLockGlobal();
if (NULL == __CFLocaleSystem) {
__CFLocaleUnlockGlobal();
locale = CFLocaleCreate(kCFAllocatorSystemDefault, CFSTR(""));
if (!locale) return NULL;
__CFLocaleSetType(locale, __kCFLocaleSystem);
__CFLocaleLockGlobal();
if (NULL == __CFLocaleSystem) {
__CFLocaleSystem = locale;
} else {
uselessLocale = locale;
}
}
locale = __CFLocaleSystem ? (CFLocaleRef)CFRetain(__CFLocaleSystem) : NULL;
__CFLocaleUnlockGlobal();
if (uselessLocale) CFRelease(uselessLocale);
return locale;
}
extern CFDictionaryRef __CFXPreferencesCopyCurrentApplicationStateWithDeadlockAvoidance(Boolean * /* _Nonnull */outWouldDeadlock);
static _Atomic(CFLocaleRef) _CFLocaleCurrent_ = NULL;
CF_INLINE CFLocaleRef _cachedCurrentLocale() {
return atomic_load_explicit(&_CFLocaleCurrent_, memory_order_relaxed);
}
static void _setCachedCurrentLocale(CFLocaleRef newLocale) {
atomic_store(&_CFLocaleCurrent_, newLocale); //no release, cached locales are immortal
}
#if TARGET_OS_OSX && !DEPLOYMENT_RUNTIME_SWIFT
#define FALLBACK_LOCALE_NAME CFSTR("")
#elif TARGET_OS_IPHONE
#define FALLBACK_LOCALE_NAME CFSTR("en_US")
#elif TARGET_OS_WINDOWS || TARGET_OS_LINUX || TARGET_OS_BSD || DEPLOYMENT_RUNTIME_SWIFT
#define FALLBACK_LOCALE_NAME CFSTR("en_US")
#endif
#if TARGET_OS_MAC || TARGET_OS_WIN32
static CFStringRef _CFLocaleCopyLocaleIdentifierByAddingLikelySubtags(CFStringRef localeID)
{
CFStringRef result = NULL;
if (localeID) {
char bufLocaleID[ULOC_FULLNAME_CAPACITY];
const char *cLocaleID = CFStringGetCStringPtr(localeID, kCFStringEncodingUTF8);
if (NULL == cLocaleID) {
if (CFStringGetCString(localeID, bufLocaleID, ULOC_FULLNAME_CAPACITY, kCFStringEncodingUTF8)) {
cLocaleID = bufLocaleID;
}
}
UErrorCode icuStatus = U_ZERO_ERROR;
char maximizedLocaleID[ULOC_FULLNAME_CAPACITY];
int32_t bufSize = uloc_addLikelySubtags(cLocaleID, maximizedLocaleID, ULOC_FULLNAME_CAPACITY, &icuStatus);
if ((bufSize != -1) && U_SUCCESS(icuStatus)) {
result = CFStringCreateWithCString(NULL, maximizedLocaleID, kCFStringEncodingUTF8);
}
}
return result ? : CFRetain(localeID);
}
// For a given locale (e.g. `en_US`, `zh_CN`, etc.) copies the language identifier with an explicit script code (e.g. `en-Latn`, zh-Hans`, etc.)
static CFStringRef _CFLocaleCopyLanguageIdentifierWithScriptCodeForLocaleIdentifier(CFStringRef localeID)
{
CFStringRef languageID = NULL;
if (localeID) {
CFStringRef maximizedLocaleID = _CFLocaleCopyLocaleIdentifierByAddingLikelySubtags(localeID);
CFDictionaryRef components = CFLocaleCreateComponentsFromLocaleIdentifier(NULL, maximizedLocaleID);
CFRelease(maximizedLocaleID);
CFStringRef languageCode = CFDictionaryGetValue(components, kCFLocaleLanguageCode);
CFStringRef scriptCode = CFDictionaryGetValue(components, kCFLocaleScriptCode);
if (languageCode && scriptCode) {
languageID = CFStringCreateWithFormat(NULL, NULL, CFSTR("%@-%@"), languageCode, scriptCode);
}
CFRelease(components);
}
return languageID;
}
CFStringRef _CFLocaleCopyNumberingSystemForLocaleIdentifier(CFStringRef localeID)
{
CFStringRef numberingSystemID = NULL;
if (localeID) {
CFDictionaryRef components = CFLocaleCreateComponentsFromLocaleIdentifier(NULL, localeID);
if (components) {
// If the locale has an explicitly defined numbering system, that’s our answer!
numberingSystemID = CFDictionaryGetValue(components, CFSTR("numbers"));
if (numberingSystemID) {
CFRetain(numberingSystemID);
}
// Otherwise, query ICU for what the default numbering system is.
else {
CFMutableDictionaryRef mutableComponents = CFDictionaryCreateMutableCopy(NULL, 0, components);
if (mutableComponents) {
CFDictionarySetValue(mutableComponents, CFSTR("numbers"), CFSTR("default"));
CFStringRef localeIDWithDefaultNumbers = CFLocaleCreateLocaleIdentifierFromComponents(NULL, mutableComponents);
if (localeIDWithDefaultNumbers) {
char bufLocaleIDWithDefaultNumbers[ULOC_FULLNAME_CAPACITY];
const char *cLocaleIDWithDefaultNumbers = CFStringGetCStringPtr(localeIDWithDefaultNumbers, kCFStringEncodingUTF8);
if (!cLocaleIDWithDefaultNumbers) {
if (CFStringGetCString(localeIDWithDefaultNumbers, bufLocaleIDWithDefaultNumbers, ULOC_FULLNAME_CAPACITY, kCFStringEncodingUTF8)) {
cLocaleIDWithDefaultNumbers = bufLocaleIDWithDefaultNumbers;
}
}
if (cLocaleIDWithDefaultNumbers) {
UErrorCode icuStatus = U_ZERO_ERROR;
UNumberingSystem *numberingSystem = unumsys_open(cLocaleIDWithDefaultNumbers, &icuStatus);
if (numberingSystem) {
const char *cNumberingSystemID = unumsys_getName(numberingSystem);
if (cNumberingSystemID) {
numberingSystemID = CFStringCreateWithCString(NULL, cNumberingSystemID, kCFStringEncodingUTF8);
}
unumsys_close(numberingSystem);
}
}
CFRelease(localeIDWithDefaultNumbers);
}
CFRelease(mutableComponents);
}
}
CFRelease(components);
}
}
return numberingSystemID;
}
CFArrayRef _CFLocaleCopyValidNumberingSystemsForLocaleIdentifier(CFStringRef localeID)
{
CFMutableArrayRef numberingSystemIDs = CFArrayCreateMutable(NULL, 0, &kCFTypeArrayCallBacks);
if (localeID) {
CFDictionaryRef components = CFLocaleCreateComponentsFromLocaleIdentifier(NULL, localeID);
if (components) {
// 1. If there is an explicitly defined override numbering system, add it first to the list.
CFStringRef overrideNumberingSystemID = CFDictionaryGetValue(components, CFSTR("numbers"));
if (overrideNumberingSystemID) {
CFArrayAppendValue(numberingSystemIDs, overrideNumberingSystemID);
}
// 2. Query ICU for additional supported numbering systems
CFStringRef queryList[4] = { CFSTR("default"), NULL, NULL, NULL };
CFStringRef languageCode = CFDictionaryGetValue(components, kCFLocaleLanguageCode);
// For Chinese & Thai, although there is a traditional numbering system, it is not one that users will expect to use as a numbering system in the system. (cf. <rdar://problem/19742123&20068835>)
if (!(CFEqual(languageCode, CFSTR("th")) ||
CFEqual(languageCode, CFSTR("zh")) ||
CFEqual(languageCode, CFSTR("wuu")) ||
CFEqual(languageCode, CFSTR("yue")))) {
queryList[1] = CFSTR("native");
queryList[2] = CFSTR("traditional");
queryList[3] = CFSTR("finance");
}
CFMutableDictionaryRef mutableComponents = CFDictionaryCreateMutableCopy(NULL, 0, components);
if (mutableComponents) {
for (CFIndex i = 0, count = sizeof(queryList)/sizeof(CFStringRef); i < count; i++) {
CFStringRef query = queryList[i];
if (query) {
CFDictionarySetValue(mutableComponents, CFSTR("numbers"), query);
CFStringRef localeIDWithNumbersQuery = CFLocaleCreateLocaleIdentifierFromComponents(NULL, mutableComponents);
if (localeIDWithNumbersQuery) {
char bufLocaleIDWithNumbersQuery[ULOC_FULLNAME_CAPACITY];
const char *cLocaleIDWithNumbersQuery = CFStringGetCStringPtr(localeIDWithNumbersQuery, kCFStringEncodingUTF8);
if (!cLocaleIDWithNumbersQuery) {
if (CFStringGetCString(localeIDWithNumbersQuery, bufLocaleIDWithNumbersQuery, ULOC_FULLNAME_CAPACITY, kCFStringEncodingUTF8)) {
cLocaleIDWithNumbersQuery = bufLocaleIDWithNumbersQuery;
}
}
if (cLocaleIDWithNumbersQuery) {
UNumberingSystem *numberingSystem = NULL;
UErrorCode icuStatus = U_ZERO_ERROR;
if ((numberingSystem = unumsys_open(cLocaleIDWithNumbersQuery, &icuStatus)) != NULL) {
// There are some really funky numbering systems out there, and we do not support ones that are algorithmic (like the traditional ones for Hebrew, etc.) and ones that are not base 10.
if (!unumsys_isAlgorithmic(numberingSystem) && unumsys_getRadix(numberingSystem) == 10) {
const char *cNumberingSystemID = unumsys_getName(numberingSystem);
if (cNumberingSystemID) {
CFStringRef numberingSystemID = CFStringCreateWithCString(NULL, cNumberingSystemID, kCFStringEncodingUTF8);
if (numberingSystemID) {
if (!CFArrayContainsValue(numberingSystemIDs, CFRangeMake(0, CFArrayGetCount(numberingSystemIDs)), numberingSystemID)) {
CFArrayAppendValue(numberingSystemIDs, numberingSystemID);
}
CFRelease(numberingSystemID);
}
}
}
unumsys_close(numberingSystem);
}
}
CFRelease(localeIDWithNumbersQuery);
}
}
}
CFRelease(mutableComponents);
}
// 3. Add `latn`, which we support that for all languages.
if (!CFArrayContainsValue(numberingSystemIDs, CFRangeMake(0, CFArrayGetCount(numberingSystemIDs)), CFSTR("latn"))) {
CFArrayAppendValue(numberingSystemIDs, CFSTR("latn"));
}
CFRelease(components);
}
}
return numberingSystemIDs;
}
CFStringRef _CFLocaleCreateLocaleIdentiferByReplacingLanguageCodeAndScriptCode(CFStringRef localeIDWithDesiredLangCode, CFStringRef localeIDWithDesiredComponents) {
CFStringRef localeID = NULL;
if (localeIDWithDesiredLangCode && localeIDWithDesiredComponents) {
CFStringRef langIDToUse = _CFLocaleCopyLanguageIdentifierWithScriptCodeForLocaleIdentifier(localeIDWithDesiredLangCode);
if (langIDToUse) {
CFStringRef maximizedLocaleID = _CFLocaleCopyLocaleIdentifierByAddingLikelySubtags(localeIDWithDesiredComponents);
if (maximizedLocaleID) {
CFDictionaryRef localeIDComponents = CFLocaleCreateComponentsFromLocaleIdentifier(NULL, maximizedLocaleID);
CFRelease(maximizedLocaleID);
if (localeIDComponents) {
CFMutableDictionaryRef mutableComps = CFDictionaryCreateMutableCopy(NULL, CFDictionaryGetCount(localeIDComponents), localeIDComponents);
CFRelease(localeIDComponents);
if (mutableComps) {
CFDictionaryRef languageIDComponents = CFLocaleCreateComponentsFromLocaleIdentifier(NULL, langIDToUse);
if (languageIDComponents) {
CFStringRef languageCode = CFDictionaryGetValue(languageIDComponents, kCFLocaleLanguageCode);
CFStringRef scriptCode = CFDictionaryGetValue(languageIDComponents, kCFLocaleScriptCode);
if (languageCode && scriptCode) {
// 1. Language & Script
// Note that both `languageCode` and `scriptCode` should be overridden in `mutableComps`, even for combinations like `en` + `latn`, because the previous language’s script may not be compatible with the new language. This will produce a “maximized” locale identifier, which we will canonicalize (below) to remove superfluous tags.
CFDictionarySetValue(mutableComps, kCFLocaleLanguageCode, languageCode);
CFDictionarySetValue(mutableComps, kCFLocaleScriptCode, scriptCode);
// 2. Numbering System
CFStringRef numberingSystem = _CFLocaleCopyNumberingSystemForLocaleIdentifier(localeIDWithDesiredComponents);
if (numberingSystem) {
CFArrayRef validNumberingSystems = _CFLocaleCopyValidNumberingSystemsForLocaleIdentifier(localeIDWithDesiredLangCode);
if (validNumberingSystems) {
CFIndex indexOfNumberingSystem = CFArrayGetFirstIndexOfValue(validNumberingSystems, CFRangeMake(0, CFArrayGetCount(validNumberingSystems)), numberingSystem);
// If the numbering system for `localeIDWithDesiredComponents` is not compatible with the constructed locale’s language, then we should discard it, e.g. `ar_AE@numbers=arab` + `en` should get `en_AE`, not `en_AE@numbers=arab`, since `arab` is not valid for `en`.
if (indexOfNumberingSystem == kCFNotFound || indexOfNumberingSystem == 0) {
CFDictionaryRemoveValue(mutableComps, CFSTR("numbers"));
}
// If the numbering system for `localeIDWithDesiredComponents` is compatible with the constructed locale’s language and is not already the default numbering system (index 0), then set it on the new locale, e.g. `hi_IN@numbers=latn` + `ar` shoudl get `ar_IN@numbers=latn`, since `latn` is valid for `ar`.
else if (indexOfNumberingSystem > 0) {
CFDictionarySetValue(mutableComps, CFSTR("numbers"), numberingSystem);
}
CFRelease(validNumberingSystems);
}
CFRelease(numberingSystem);
}
// 3. Construct & Canonicalize
// The locale constructed from the components will be over-specified for many cases, such as `en_Latn_US`. Before returning it, we should canonicalize it, which will remove any script code that is already implicit in the definition of the locale, yielding `en_US` instead.
CFStringRef maximizedLocaleID = CFLocaleCreateLocaleIdentifierFromComponents(NULL, mutableComps);
if (maximizedLocaleID) {
localeID = CFLocaleCreateCanonicalLocaleIdentifierFromString(NULL, maximizedLocaleID);
CFRelease(maximizedLocaleID);
}
}
CFRelease(languageIDComponents);
}
CFRelease(mutableComps);
}
}
}
CFRelease(langIDToUse);
}
}
return localeID;
}
#endif
#if TARGET_OS_MAC || TARGET_OS_WIN32
static CFArrayRef _CFLocaleCopyPreferredLanguagesFromPrefs(CFArrayRef languagesArray);
/// Creates a new locale identifier by identifying the most preferred localization (using `availableLocalizations` and `preferredLanguages`) and then creating a locale based on the most preferred localization, while retaining any relevant attributes from `preferredLocaleID`, e.g. if `availableLocalizations` is `[ "en", "fr", "de" ]`, `preferredLanguages` is `[ "ar-AE", "en-AE" ]`, `preferredLocaleID` is `ar_AE@numbers=arab;calendar=islamic-civil`, it will return `en_AE@calendar=islamic-civil`, i.e. the language will be matched to `en` since that’s the only available localization that matches, `calendar` will be retained since it’s language-agnostic, but `numbers` will be discarded because the `arab` numbering system is not valid for `en`.
static CFStringRef _CFLocaleCreateLocaleIdentifierForAvailableLocalizations(CFArrayRef availableLocalizations, CFArrayRef preferredLanguages, CFStringRef preferredLocaleID) {
CFStringRef result = NULL;
if (availableLocalizations && CFArrayGetCount(availableLocalizations) > 0 &&
preferredLanguages && CFArrayGetCount(preferredLanguages) > 0 &&
preferredLocaleID && CFStringGetLength(preferredLocaleID) > 0)
{
CFArrayRef canonicalizedPreferredLanguages = _CFLocaleCopyPreferredLanguagesFromPrefs(preferredLanguages);
// Combine `availableLocalizations` with `preferredLanguages` to get `preferredLocalizations`, whose #0 object indicates the localization that the app is current launched in.
CFArrayRef preferredLocalizations = NULL; {
// Since `availableLocalizations` can contains legacy lproj names such as `English`, `French`, etc. we need to canonicalize these into language identifiers such as `en`, `fr`, etc. Otherwise the logic that later compares these to language identifiers will fail. (<rdar://problem/37141123>)
CFArrayRef canonicalizedAvailableLocalizations = _CFLocaleCopyPreferredLanguagesFromPrefs(availableLocalizations);
if (canonicalizedAvailableLocalizations) {
preferredLocalizations = CFBundleCopyLocalizationsForPreferences(canonicalizedAvailableLocalizations, canonicalizedPreferredLanguages);
CFRelease(canonicalizedAvailableLocalizations);
}
}
if (preferredLocalizations && CFArrayGetCount(preferredLocalizations) > 0) {
// If we didn't find an overlap, we go with the preferred locale of the bundle.
CFStringRef preferredLocalization = CFArrayGetValueAtIndex(preferredLocalizations, 0);
if (preferredLocalization) {
// The goal here is to preserve all of the overrides present in the value stored in AppleLocale (e.g. "@calendar=buddhist")
CFStringRef preferredLocaleLanguageID = _CFLocaleCopyLanguageIdentifierWithScriptCodeForLocaleIdentifier(preferredLocaleID);
CFStringRef preferredLocalizationLanguageID = _CFLocaleCopyLanguageIdentifierWithScriptCodeForLocaleIdentifier(preferredLocalization);
if (preferredLocaleLanguageID && preferredLocalizationLanguageID) {
if (CFEqual(preferredLocaleLanguageID, preferredLocalizationLanguageID)) {
result = CFRetain(preferredLocaleID);
} else {
result = _CFLocaleCreateLocaleIdentiferByReplacingLanguageCodeAndScriptCode(preferredLocalization, preferredLocaleID);
}
}
if (preferredLocaleLanguageID) { CFRelease(preferredLocaleLanguageID); }
if (preferredLocalizationLanguageID) { CFRelease(preferredLocalizationLanguageID); }
}
}
if (preferredLocalizations) { CFRelease(preferredLocalizations); }
if (canonicalizedPreferredLanguages) CFRelease(canonicalizedPreferredLanguages);
}
return result;
}
#endif
static CFLocaleRef _CFLocaleCopyCurrentGuts(CFStringRef name, Boolean useCache, CFDictionaryRef overridePrefs, Boolean disableBundleMatching) {
/*
NOTE: calling any CFPreferences function, or any function which calls into a CFPreferences function, *except* for __CFXPreferencesCopyCurrentApplicationStateWithDeadlockAvoidance (and accepting backstop values if its outparam is false), will deadlock. This is because CFPreferences calls os_log_*, which calls -descriptionWithLocale:, which calls CFLocaleCopyCurrent.
*/
CFStringRef ident = NULL;
// We cannot be helpful here, because it causes performance problems,
// even though the preference lookup is relatively quick, as there are
// things which call this function thousands or millions of times in
// a short period.
if (!name) {
#if 0 // TARGET_OS_MAC || TARGET_OS_WIN32 || TARGET_OS_LINUX
name = (CFStringRef)CFPreferencesCopyAppValue(CFSTR("AppleLocale"), kCFPreferencesCurrentApplication);
#endif
} else {
CFRetain(name);
}
if (name && (CFStringGetTypeID() == CFGetTypeID(name))) {
ident = CFLocaleCreateCanonicalLocaleIdentifierFromString(kCFAllocatorSystemDefault, name);
}
if (name) CFRelease(name);
// If `disableBundleMatching` is true, caching needs to be turned off, only a single value is cached for the most common case of calling `CFLocaleCopyCurrent`.
if (disableBundleMatching) {
useCache = false;
}
if (useCache) {
CFLocaleRef cached = _cachedCurrentLocale();
if (ident) {
if (!CFEqual(cached->_identifier, ident)) {
_setCachedCurrentLocale(NULL);
cached = NULL;
}
CFRelease(ident);
}
if (cached) {
#if DEPLOYMENT_RUNTIME_SWIFT
CFRetain(cached); // In Swift, this object isn't immortal and needs to be correctly memory-managed.
#endif
return cached;
}
}
CFDictionaryRef prefs = NULL;
struct __CFLocale *locale;
uint32_t size = sizeof(struct __CFLocale) - sizeof(CFRuntimeBase);
locale = (struct __CFLocale *)_CFRuntimeCreateInstance(kCFAllocatorSystemDefault, CFLocaleGetTypeID(), size, NULL);
if (NULL == locale) {
if (prefs) CFRelease(prefs);
if (ident) CFRelease(ident);
return NULL;
}
if (useCache) {
// Make this object immortal:
#if !DEPLOYMENT_RUNTIME_SWIFT
__CFRuntimeSetRC((CFTypeRef)locale, 0);
#else
// Swift does not support immortal objects yet; add an unbalanced retain instead.
CFRetain((CFTypeRef)locale);
#endif
}
__CFLocaleSetType(locale, __kCFLocaleUser);
if (NULL == ident) ident = (CFStringRef)CFRetain(FALLBACK_LOCALE_NAME);
locale->_identifier = ident;
locale->_cache = CFDictionaryCreateMutable(kCFAllocatorSystemDefault, 0, NULL, &kCFTypeDictionaryValueCallBacks);
locale->_prefs = prefs;
locale->_lock = CFLockInit;
locale->_nullLocale = false;
if (useCache) {
if (NULL == _cachedCurrentLocale()) {
_setCachedCurrentLocale(locale);
}
locale = (struct __CFLocale *)_cachedCurrentLocale();
}
return locale;
}
/*
<rdar://problem/13834276> NSDateFormatter: Cannot specify force12HourTime/force24HourTime
This returns an instance of CFLocale that's set up exactly like it would be if the user changed the current locale to that identifier, then called CFLocaleCopyCurrent()
*/
CFLocaleRef _CFLocaleCopyAsIfCurrent(CFStringRef name) {
return _CFLocaleCopyCurrentGuts(name, false, NULL, false);
}
/*
<rdar://problem/14032388> Need the ability to initialize a CFLocaleRef from a preferences dictionary
This returns an instance of CFLocale that's set up exactly like it would be if the user changed the current locale to that identifier, set the preferences keys in the overrides dictionary, then called CFLocaleCopyCurrent()
*/
CFLocaleRef _CFLocaleCopyAsIfCurrentWithOverrides(CFStringRef name, CFDictionaryRef overrides) {
return _CFLocaleCopyCurrentGuts(name, false, overrides, false);
}
CFLocaleRef _CFLocaleCopyPreferred(void) {
return _CFLocaleCopyCurrentGuts(NULL, true, NULL, true);
}
CFLocaleRef CFLocaleCopyCurrent(void) {
return _CFLocaleCopyCurrentGuts(NULL, true, NULL, false);
}
CF_PRIVATE CFDictionaryRef __CFLocaleGetPrefs(CFLocaleRef locale) {
CF_OBJC_FUNCDISPATCHV(CFLocaleGetTypeID(), CFDictionaryRef, (NSLocale *)locale, _prefs);
return locale->_prefs;
}
#if DEPLOYMENT_RUNTIME_SWIFT
Boolean _CFLocaleInit(CFLocaleRef locale, CFStringRef identifier) {
CFStringRef localeIdentifier = NULL;
if (identifier) {
localeIdentifier = CFLocaleCreateCanonicalLocaleIdentifierFromString(kCFAllocatorSystemDefault, identifier);
}
if (NULL == localeIdentifier) return false;
CFStringRef old = localeIdentifier;
localeIdentifier = (CFStringRef)CFStringCreateCopy(kCFAllocatorSystemDefault, localeIdentifier);
CFRelease(old);
__CFLocaleSetType(locale, __kCFLocaleOrdinary);
((struct __CFLocale *)locale)->_identifier = localeIdentifier;
((struct __CFLocale *)locale)->_cache = CFDictionaryCreateMutable(kCFAllocatorSystemDefault, 0, NULL, &kCFTypeDictionaryValueCallBacks);
((struct __CFLocale *)locale)->_prefs = NULL;
((struct __CFLocale *)locale)->_lock = CFLockInit;
return true;
}
#endif
CFLocaleRef CFLocaleCreate(CFAllocatorRef allocator, CFStringRef identifier) {
if (allocator == NULL) allocator = __CFGetDefaultAllocator();
__CFGenericValidateType(allocator, CFAllocatorGetTypeID());
__CFGenericValidateType(identifier, CFStringGetTypeID());
CFStringRef localeIdentifier = NULL;
if (identifier) {
localeIdentifier = CFLocaleCreateCanonicalLocaleIdentifierFromString(allocator, identifier);
}
if (NULL == localeIdentifier) return NULL;
CFStringRef old = localeIdentifier;
localeIdentifier = (CFStringRef)CFStringCreateCopy(allocator, localeIdentifier);
CFRelease(old);
// Look for cases where we can return a cached instance.
// We only use cached objects if the allocator is the system
// default allocator.
if (!allocator) allocator = __CFGetDefaultAllocator();
Boolean canCache = _CFAllocatorIsSystemDefault(allocator);
static CFLock_t __CFLocaleCacheLock = CFLockInit;
__CFLock(&__CFLocaleCacheLock);
if (canCache && __CFLocaleCache) {
CFLocaleRef locale = (CFLocaleRef)CFDictionaryGetValue(__CFLocaleCache, localeIdentifier);
if (locale) {
CFRetain(locale);
__CFUnlock(&__CFLocaleCacheLock);
CFRelease(localeIdentifier);
return locale;
}
}
struct __CFLocale *locale = NULL;
uint32_t size = sizeof(struct __CFLocale) - sizeof(CFRuntimeBase);
locale = (struct __CFLocale *)_CFRuntimeCreateInstance(allocator, CFLocaleGetTypeID(), size, NULL);
if (NULL == locale) {
if (localeIdentifier) { CFRelease(localeIdentifier); }
return NULL;
}
__CFLocaleSetType(locale, __kCFLocaleOrdinary);
locale->_identifier = localeIdentifier;
locale->_cache = CFDictionaryCreateMutable(allocator, 0, NULL, &kCFTypeDictionaryValueCallBacks);
locale->_prefs = NULL;
locale->_lock = CFLockInit;
if (canCache) {
if (NULL == __CFLocaleCache) {
__CFLocaleCache = CFDictionaryCreateMutable(kCFAllocatorSystemDefault, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
}
CFDictionarySetValue(__CFLocaleCache, localeIdentifier, locale);
}
__CFUnlock(&__CFLocaleCacheLock);
return (CFLocaleRef)locale;
}
//CFLocaleCreateCopy() always just retained. This caused problems because CFLocaleGetValue(locale, kCFLocaleCalendarKey) would create a calendar, then set its locale to self, leading to a retain cycle
static CFLocaleRef _CFLocaleCreateCopyGuts(CFAllocatorRef allocator, CFLocaleRef locale, CFStringRef calendarIdentifier) {
CF_OBJC_FUNCDISPATCHV(CFLocaleGetTypeID(), CFLocaleRef, (NSLocale *)locale, copy);
if (allocator == NULL) allocator = __CFGetDefaultAllocator();
__CFGenericValidateType(allocator, CFAllocatorGetTypeID());
CFStringRef localeIdentifier = CFLocaleGetIdentifier(locale);
if (calendarIdentifier) {
CFDictionaryRef components = CFLocaleCreateComponentsFromLocaleIdentifier(kCFAllocatorSystemDefault, localeIdentifier);
CFMutableDictionaryRef mcomponents = CFDictionaryCreateMutableCopy(kCFAllocatorSystemDefault, 0, components);
CFDictionarySetValue(mcomponents, kCFLocaleCalendarIdentifierKey, calendarIdentifier);
localeIdentifier = CFLocaleCreateLocaleIdentifierFromComponents(kCFAllocatorSystemDefault, mcomponents);
CFRelease(mcomponents);
CFRelease(components);
} else {
localeIdentifier = CFStringCreateCopy(allocator, localeIdentifier);
}
struct __CFLocale *loc = NULL;
uint32_t size = sizeof(struct __CFLocale) - sizeof(CFRuntimeBase);
loc = (struct __CFLocale *)_CFRuntimeCreateInstance(allocator, CFLocaleGetTypeID(), size, NULL);
if (NULL == loc) {
if (localeIdentifier) { CFRelease(localeIdentifier); }
return NULL;
}
__CFLocaleSetType(loc, __CFLocaleGetType(locale));
loc->_identifier = localeIdentifier;
loc->_cache = CFDictionaryCreateMutable(allocator, 0, NULL, &kCFTypeDictionaryValueCallBacks);
CFDictionaryRef prefs = __CFLocaleGetPrefs(locale);
loc->_prefs = prefs ? CFRetain(prefs) : NULL;
loc->_lock = CFLockInit;
loc->_nullLocale = locale->_nullLocale;
return (CFLocaleRef)loc;
}
//CFLocaleCreateCopy() always just retained. This caused problems because CFLocaleGetValue(locale, kCFLocaleCalendarKey) would create a calendar, then set its locale to self, leading to a retain cycle
CFLocaleRef CFLocaleCreateCopy(CFAllocatorRef allocator, CFLocaleRef locale) {
return _CFLocaleCreateCopyGuts(allocator, locale, NULL);
}
//For CFDateFormatter
CF_PRIVATE CFLocaleRef _CFLocaleCreateCopyWithNewCalendarIdentifier(CFAllocatorRef allocator, CFLocaleRef locale, CFStringRef calendarIdentifier) {
return _CFLocaleCreateCopyGuts(allocator, locale, calendarIdentifier);
}
CFStringRef CFLocaleGetIdentifier(CFLocaleRef locale) {
CF_OBJC_FUNCDISPATCHV(CFLocaleGetTypeID(), CFStringRef, (NSLocale *)locale, localeIdentifier);
return locale->_identifier;
}
CFTypeRef CFLocaleGetValue(CFLocaleRef locale, CFStringRef key) {
#if TARGET_OS_OSX
if (!_CFExecutableLinkedOnOrAfter(CFSystemVersionSnowLeopard)) {
// Hack for Opera, which is using the hard-coded string value below instead of
// the perfectly good public kCFLocaleCountryCode constant, for whatever reason.
if (key && CFEqual(key, CFSTR("locale:country code"))) {
key = kCFLocaleCountryCodeKey;
}
}
#endif
CF_OBJC_FUNCDISPATCHV(CFLocaleGetTypeID(), CFTypeRef, (NSLocale *)locale, objectForKey:(id)key);
CFIndex idx, slot = -1;
for (idx = 0; idx < __kCFLocaleKeyTableCount; idx++) {
if (__CFLocaleKeyTable[idx].key == key) {
slot = idx;
break;
}
}
if (-1 == slot && NULL != key) {
for (idx = 0; idx < __kCFLocaleKeyTableCount; idx++) {
if (CFEqual(__CFLocaleKeyTable[idx].key, key)) {
slot = idx;
break;
}
}
}
if (-1 == slot) {
return NULL;
}
CFTypeRef value;
__CFLocaleLock(locale);
if (CFDictionaryGetValueIfPresent(locale->_cache, __CFLocaleKeyTable[slot].key, &value)) {
__CFLocaleUnlock(locale);
return value;
}
if (__kCFLocaleUser == __CFLocaleGetType(locale) && __CFLocaleKeyTable[slot].get(locale, true, &value, __CFLocaleKeyTable[slot].context)) {
if (value) CFDictionarySetValue(locale->_cache, __CFLocaleKeyTable[idx].key, value);
if (value) CFRelease(value);
__CFLocaleUnlock(locale);
return value;
}
if (__CFLocaleKeyTable[slot].get(locale, false, &value, __CFLocaleKeyTable[slot].context)) {
if (value) CFDictionarySetValue(locale->_cache, __CFLocaleKeyTable[idx].key, value);
if (value) CFRelease(value);
__CFLocaleUnlock(locale);
return value;
}
__CFLocaleUnlock(locale);
return NULL;
}
CFStringRef CFLocaleCopyDisplayNameForPropertyValue(CFLocaleRef displayLocale, CFStringRef key, CFStringRef value) {
CF_OBJC_FUNCDISPATCHV(CFLocaleGetTypeID(), CFStringRef, (NSLocale *)displayLocale, _copyDisplayNameForKey:(id)key value:(id)value);
CFIndex idx, slot = -1;
for (idx = 0; idx < __kCFLocaleKeyTableCount; idx++) {
if (__CFLocaleKeyTable[idx].key == key) {
slot = idx;
break;
}
}
if (-1 == slot && NULL != key) {
for (idx = 0; idx < __kCFLocaleKeyTableCount; idx++) {
if (CFEqual(__CFLocaleKeyTable[idx].key, key)) {
slot = idx;
break;
}
}
}
if (-1 == slot || !value) {
return NULL;
}
// Get the locale ID as a C string
char localeID[ULOC_FULLNAME_CAPACITY+ULOC_KEYWORD_AND_VALUES_CAPACITY];
char cValue[ULOC_FULLNAME_CAPACITY+ULOC_KEYWORD_AND_VALUES_CAPACITY];
if (CFStringGetCString(displayLocale->_identifier, localeID, sizeof(localeID)/sizeof(localeID[0]), kCFStringEncodingASCII) && CFStringGetCString(value, cValue, sizeof(cValue)/sizeof(char), kCFStringEncodingASCII)) {
CFStringRef result;
if ((NULL == displayLocale->_prefs) && __CFLocaleKeyTable[slot].name(localeID, cValue, &result)) {
return result;
}
// We could not find a result using the requested language. Fall back through all preferred languages.
CFArrayRef langPref = NULL;
if (displayLocale->_prefs) {
langPref = (CFArrayRef)CFDictionaryGetValue(displayLocale->_prefs, CFSTR("AppleLanguages"));
if (langPref) CFRetain(langPref);
} else {
#if TARGET_OS_MAC || TARGET_OS_WIN32 || TARGET_OS_LINUX
langPref = (CFArrayRef)CFPreferencesCopyAppValue(CFSTR("AppleLanguages"), kCFPreferencesCurrentApplication);
#endif
}
if (langPref != NULL) {
CFIndex count = CFArrayGetCount(langPref);
CFIndex i;
bool success = false;
for (i = 0; i < count && !success; ++i) {
CFStringRef language = (CFStringRef)CFArrayGetValueAtIndex(langPref, i);
CFStringRef cleanLanguage = CFLocaleCreateCanonicalLanguageIdentifierFromString(kCFAllocatorSystemDefault, language);
if (CFStringGetCString(cleanLanguage, localeID, sizeof(localeID)/sizeof(localeID[0]), kCFStringEncodingASCII)) {
success = __CFLocaleKeyTable[slot].name(localeID, cValue, &result);
}
CFRelease(cleanLanguage);
}
CFRelease(langPref);
if (success)
return result;
}
}
return NULL;
}
CFArrayRef CFLocaleCopyAvailableLocaleIdentifiers(void) {
#if TARGET_OS_MAC || TARGET_OS_WIN32 || TARGET_OS_LINUX
int32_t locale, localeCount = uloc_countAvailable();
CFMutableSetRef working = CFSetCreateMutable(kCFAllocatorSystemDefault, 0, &kCFTypeSetCallBacks);
for (locale = 0; locale < localeCount; ++locale) {
const char *localeID = uloc_getAvailable(locale);
CFStringRef string1 = CFStringCreateWithCString(kCFAllocatorSystemDefault, localeID, kCFStringEncodingASCII);
// do not include canonicalized version as IntlFormats cannot cope with that in its popup
CFSetAddValue(working, string1);
CFRelease(string1);
}
CFIndex cnt = CFSetGetCount(working);
STACK_BUFFER_DECL(const void *, buffer, cnt);
CFSetGetValues(working, buffer);
CFArrayRef result = CFArrayCreate(kCFAllocatorSystemDefault, buffer, cnt, &kCFTypeArrayCallBacks);
CFRelease(working);
return result;
#else
return CFArrayCreate(kCFAllocatorSystemDefault, NULL, 0, &kCFTypeArrayCallBacks);
#endif
}
#if TARGET_OS_MAC || TARGET_OS_WIN32 || TARGET_OS_LINUX
static CFArrayRef __CFLocaleCopyCStringsAsArray(const char* const* p) {
CFMutableArrayRef working = CFArrayCreateMutable(kCFAllocatorSystemDefault, 0, &kCFTypeArrayCallBacks);
for (; *p; ++p) {
CFStringRef string = CFStringCreateWithCString(kCFAllocatorSystemDefault, *p, kCFStringEncodingASCII);
CFArrayAppendValue(working, string);
CFRelease(string);
}
CFArrayRef result = CFArrayCreateCopy(kCFAllocatorSystemDefault, working);
CFRelease(working);
return result;
}
static CFArrayRef __CFLocaleCopyUEnumerationAsArray(UEnumeration *enumer, UErrorCode *icuErr) {
const UChar *next = NULL;
int32_t len = 0;
CFMutableArrayRef working = NULL;
if (U_SUCCESS(*icuErr)) {
working = CFArrayCreateMutable(kCFAllocatorSystemDefault, 0, &kCFTypeArrayCallBacks);
}
while ((next = uenum_unext(enumer, &len, icuErr)) && U_SUCCESS(*icuErr)) {
CFStringRef string = CFStringCreateWithCharacters(kCFAllocatorSystemDefault, (const UniChar *)next, (CFIndex) len);
CFArrayAppendValue(working, string);
CFRelease(string);
}
if (*icuErr == U_INDEX_OUTOFBOUNDS_ERROR) {
*icuErr = U_ZERO_ERROR; // Temp: Work around bug (ICU 5220) in ucurr enumerator
}
CFArrayRef result = NULL;
if (U_SUCCESS(*icuErr)) {
result = CFArrayCreateCopy(kCFAllocatorSystemDefault, working);
}
if (working != NULL) {
CFRelease(working);
}
return result;
}
#endif
CFArrayRef CFLocaleCopyISOLanguageCodes(void) {
#if TARGET_OS_MAC || TARGET_OS_WIN32 || TARGET_OS_LINUX
const char* const* p = uloc_getISOLanguages();
return __CFLocaleCopyCStringsAsArray(p);
#else
return CFArrayCreate(kCFAllocatorSystemDefault, NULL, 0, &kCFTypeArrayCallBacks);
#endif
}
CFArrayRef CFLocaleCopyISOCountryCodes(void) {
#if TARGET_OS_MAC || TARGET_OS_WIN32 || TARGET_OS_LINUX
const char* const* p = uloc_getISOCountries();
return __CFLocaleCopyCStringsAsArray(p);
#else
return CFArrayCreate(kCFAllocatorSystemDefault, NULL, 0, &kCFTypeArrayCallBacks);
#endif
}
CFArrayRef CFLocaleCopyISOCurrencyCodes(void) {
#if TARGET_OS_MAC || TARGET_OS_WIN32 || TARGET_OS_LINUX
UErrorCode icuStatus = U_ZERO_ERROR;
UEnumeration *enumer = ucurr_openISOCurrencies(UCURR_ALL, &icuStatus);