1// © 2016 and later: Unicode, Inc. and others.
2// License & terms of use: http://www.unicode.org/copyright.html
3/*
4*******************************************************************************
5* Copyright (C) 1996-2016, International Business Machines
6* Corporation and others. All Rights Reserved.
7*******************************************************************************
8*/
9
10#include "utypeinfo.h" // for 'typeid' to work
11
12#include "unicode/utypes.h"
13
14#if !UCONFIG_NO_FORMATTING
15
16#include "unicode/ucal.h"
17#include "unicode/uloc.h"
18#include "unicode/calendar.h"
19#include "unicode/timezone.h"
20#include "unicode/gregocal.h"
21#include "unicode/simpletz.h"
22#include "unicode/ustring.h"
23#include "unicode/strenum.h"
24#include "unicode/localpointer.h"
25#include "cmemory.h"
26#include "cstring.h"
27#include "ustrenum.h"
28#include "uenumimp.h"
29#include "ulist.h"
30#include "ulocimp.h"
31
32U_NAMESPACE_USE
33
34static TimeZone*
35_createTimeZone(const UChar* zoneID, int32_t len, UErrorCode* ec) {
36 TimeZone* zone = NULL;
37 if (ec != NULL && U_SUCCESS(*ec)) {
38 // Note that if zoneID is invalid, we get back GMT. This odd
39 // behavior is by design and goes back to the JDK. The only
40 // failure we will see is a memory allocation failure.
41 int32_t l = (len<0 ? u_strlen(zoneID) : len);
42 UnicodeString zoneStrID;
43 zoneStrID.setTo((UBool)(len < 0), zoneID, l); /* temporary read-only alias */
44 zone = TimeZone::createTimeZone(zoneStrID);
45 if (zone == NULL) {
46 *ec = U_MEMORY_ALLOCATION_ERROR;
47 }
48 }
49 return zone;
50}
51
52U_CAPI UEnumeration* U_EXPORT2
53ucal_openTimeZoneIDEnumeration(USystemTimeZoneType zoneType, const char* region,
54 const int32_t* rawOffset, UErrorCode* ec) {
55 return uenum_openFromStringEnumeration(TimeZone::createTimeZoneIDEnumeration(
56 zoneType, region, rawOffset, *ec), ec);
57}
58
59U_CAPI UEnumeration* U_EXPORT2
60ucal_openTimeZones(UErrorCode* ec) {
61 return uenum_openFromStringEnumeration(TimeZone::createEnumeration(), ec);
62}
63
64U_CAPI UEnumeration* U_EXPORT2
65ucal_openCountryTimeZones(const char* country, UErrorCode* ec) {
66 return uenum_openFromStringEnumeration(TimeZone::createEnumeration(country), ec);
67}
68
69U_CAPI int32_t U_EXPORT2
70ucal_getDefaultTimeZone(UChar* result, int32_t resultCapacity, UErrorCode* ec) {
71 int32_t len = 0;
72 if (ec != NULL && U_SUCCESS(*ec)) {
73 TimeZone* zone = TimeZone::createDefault();
74 if (zone == NULL) {
75 *ec = U_MEMORY_ALLOCATION_ERROR;
76 } else {
77 UnicodeString id;
78 zone->getID(id);
79 delete zone;
80 len = id.extract(result, resultCapacity, *ec);
81 }
82 }
83 return len;
84}
85
86U_CAPI void U_EXPORT2
87ucal_setDefaultTimeZone(const UChar* zoneID, UErrorCode* ec) {
88 TimeZone* zone = _createTimeZone(zoneID, -1, ec);
89 if (zone != NULL) {
90 TimeZone::adoptDefault(zone);
91 }
92}
93
94U_DRAFT int32_t U_EXPORT2
95ucal_getHostTimeZone(UChar* result, int32_t resultCapacity, UErrorCode* ec) {
96 int32_t len = 0;
97 if (ec != NULL && U_SUCCESS(*ec)) {
98 TimeZone *zone = TimeZone::detectHostTimeZone();
99 if (zone == NULL) {
100 *ec = U_MEMORY_ALLOCATION_ERROR;
101 } else {
102 UnicodeString id;
103 zone->getID(id);
104 delete zone;
105 len = id.extract(result, resultCapacity, *ec);
106 }
107 }
108 return len;
109}
110
111U_CAPI int32_t U_EXPORT2
112ucal_getDSTSavings(const UChar* zoneID, UErrorCode* ec) {
113 int32_t result = 0;
114 TimeZone* zone = _createTimeZone(zoneID, -1, ec);
115 if (U_SUCCESS(*ec)) {
116 SimpleTimeZone* stz = dynamic_cast<SimpleTimeZone*>(zone);
117 if (stz != NULL) {
118 result = stz->getDSTSavings();
119 } else {
120 // Since there is no getDSTSavings on TimeZone, we use a
121 // heuristic: Starting with the current time, march
122 // forwards for one year, looking for DST savings.
123 // Stepping by weeks is sufficient.
124 UDate d = Calendar::getNow();
125 for (int32_t i=0; i<53; ++i, d+=U_MILLIS_PER_DAY*7.0) {
126 int32_t raw, dst;
127 zone->getOffset(d, FALSE, raw, dst, *ec);
128 if (U_FAILURE(*ec)) {
129 break;
130 } else if (dst != 0) {
131 result = dst;
132 break;
133 }
134 }
135 }
136 }
137 delete zone;
138 return result;
139}
140
141U_CAPI UDate U_EXPORT2
142ucal_getNow()
143{
144
145 return Calendar::getNow();
146}
147
148#define ULOC_LOCALE_IDENTIFIER_CAPACITY (ULOC_FULLNAME_CAPACITY + 1 + ULOC_KEYWORD_AND_VALUES_CAPACITY)
149
150U_CAPI UCalendar* U_EXPORT2
151ucal_open( const UChar* zoneID,
152 int32_t len,
153 const char* locale,
154 UCalendarType caltype,
155 UErrorCode* status)
156{
157
158 if(U_FAILURE(*status)) return 0;
159
160 LocalPointer<TimeZone> zone( (zoneID==NULL) ? TimeZone::createDefault()
161 : _createTimeZone(zoneID, len, status), *status);
162
163 if (U_FAILURE(*status)) {
164 return NULL;
165 }
166
167 if ( caltype == UCAL_GREGORIAN ) {
168 char localeBuf[ULOC_LOCALE_IDENTIFIER_CAPACITY];
169 if ( locale == NULL ) {
170 locale = uloc_getDefault();
171 }
172 uprv_strncpy(localeBuf, locale, ULOC_LOCALE_IDENTIFIER_CAPACITY);
173 uloc_setKeywordValue("calendar", "gregorian", localeBuf, ULOC_LOCALE_IDENTIFIER_CAPACITY, status);
174 if (U_FAILURE(*status)) {
175 return NULL;
176 }
177 return (UCalendar*)Calendar::createInstance(zone.orphan(), Locale(localeBuf), *status);
178 }
179 return (UCalendar*)Calendar::createInstance(zone.orphan(), Locale(locale), *status);
180}
181
182U_CAPI void U_EXPORT2
183ucal_close(UCalendar *cal)
184{
185
186 delete (Calendar*) cal;
187}
188
189U_CAPI UCalendar* U_EXPORT2
190ucal_clone(const UCalendar* cal,
191 UErrorCode* status)
192{
193 if(U_FAILURE(*status)) return 0;
194
195 Calendar* res = ((Calendar*)cal)->clone();
196
197 if(res == 0) {
198 *status = U_MEMORY_ALLOCATION_ERROR;
199 return 0;
200 }
201
202 return (UCalendar*) res;
203}
204
205U_CAPI void U_EXPORT2
206ucal_setTimeZone( UCalendar* cal,
207 const UChar* zoneID,
208 int32_t len,
209 UErrorCode *status)
210{
211
212 if(U_FAILURE(*status))
213 return;
214
215 TimeZone* zone = (zoneID==NULL) ? TimeZone::createDefault()
216 : _createTimeZone(zoneID, len, status);
217
218 if (zone != NULL) {
219 ((Calendar*)cal)->adoptTimeZone(zone);
220 }
221}
222
223U_CAPI int32_t U_EXPORT2
224ucal_getTimeZoneID(const UCalendar *cal,
225 UChar *result,
226 int32_t resultLength,
227 UErrorCode *status)
228{
229 if (U_FAILURE(*status)) {
230 return 0;
231 }
232 const TimeZone& tz = ((Calendar*)cal)->getTimeZone();
233 UnicodeString id;
234 tz.getID(id);
235 return id.extract(result, resultLength, *status);
236}
237
238U_CAPI int32_t U_EXPORT2
239ucal_getTimeZoneDisplayName(const UCalendar* cal,
240 UCalendarDisplayNameType type,
241 const char *locale,
242 UChar* result,
243 int32_t resultLength,
244 UErrorCode* status)
245{
246
247 if(U_FAILURE(*status)) return -1;
248
249 const TimeZone& tz = ((Calendar*)cal)->getTimeZone();
250 UnicodeString id;
251 if(!(result==NULL && resultLength==0)) {
252 // NULL destination for pure preflighting: empty dummy string
253 // otherwise, alias the destination buffer
254 id.setTo(result, 0, resultLength);
255 }
256
257 switch(type) {
258 case UCAL_STANDARD:
259 tz.getDisplayName(FALSE, TimeZone::LONG, Locale(locale), id);
260 break;
261
262 case UCAL_SHORT_STANDARD:
263 tz.getDisplayName(FALSE, TimeZone::SHORT, Locale(locale), id);
264 break;
265
266 case UCAL_DST:
267 tz.getDisplayName(TRUE, TimeZone::LONG, Locale(locale), id);
268 break;
269
270 case UCAL_SHORT_DST:
271 tz.getDisplayName(TRUE, TimeZone::SHORT, Locale(locale), id);
272 break;
273 }
274
275 return id.extract(result, resultLength, *status);
276}
277
278U_CAPI UBool U_EXPORT2
279ucal_inDaylightTime( const UCalendar* cal,
280 UErrorCode* status )
281{
282
283 if(U_FAILURE(*status)) return (UBool) -1;
284 return ((Calendar*)cal)->inDaylightTime(*status);
285}
286
287U_CAPI void U_EXPORT2
288ucal_setGregorianChange(UCalendar *cal, UDate date, UErrorCode *pErrorCode) {
289 if(U_FAILURE(*pErrorCode)) {
290 return;
291 }
292 Calendar *cpp_cal = (Calendar *)cal;
293 GregorianCalendar *gregocal = dynamic_cast<GregorianCalendar *>(cpp_cal);
294 // Not if(gregocal == NULL) {
295 // because we really want to work only with a GregorianCalendar, not with
296 // its subclasses like BuddhistCalendar.
297 if (cpp_cal == NULL) {
298 // We normally don't check "this" pointers for NULL, but this here avoids
299 // compiler-generated exception-throwing code in case cal == NULL.
300 *pErrorCode = U_ILLEGAL_ARGUMENT_ERROR;
301 return;
302 }
303 if(typeid(*cpp_cal) != typeid(GregorianCalendar)) {
304 *pErrorCode = U_UNSUPPORTED_ERROR;
305 return;
306 }
307 gregocal->setGregorianChange(date, *pErrorCode);
308}
309
310U_CAPI UDate U_EXPORT2
311ucal_getGregorianChange(const UCalendar *cal, UErrorCode *pErrorCode) {
312 if(U_FAILURE(*pErrorCode)) {
313 return (UDate)0;
314 }
315 const Calendar *cpp_cal = (const Calendar *)cal;
316 const GregorianCalendar *gregocal = dynamic_cast<const GregorianCalendar *>(cpp_cal);
317 // Not if(gregocal == NULL) {
318 // see comments in ucal_setGregorianChange().
319 if (cpp_cal == NULL) {
320 // We normally don't check "this" pointers for NULL, but this here avoids
321 // compiler-generated exception-throwing code in case cal == NULL.
322 *pErrorCode = U_ILLEGAL_ARGUMENT_ERROR;
323 return (UDate)0;
324 }
325 if(typeid(*cpp_cal) != typeid(GregorianCalendar)) {
326 *pErrorCode = U_UNSUPPORTED_ERROR;
327 return (UDate)0;
328 }
329 return gregocal->getGregorianChange();
330}
331
332U_CAPI int32_t U_EXPORT2
333ucal_getAttribute( const UCalendar* cal,
334 UCalendarAttribute attr)
335{
336
337 switch(attr) {
338 case UCAL_LENIENT:
339 return ((Calendar*)cal)->isLenient();
340
341 case UCAL_FIRST_DAY_OF_WEEK:
342 return ((Calendar*)cal)->getFirstDayOfWeek();
343
344 case UCAL_MINIMAL_DAYS_IN_FIRST_WEEK:
345 return ((Calendar*)cal)->getMinimalDaysInFirstWeek();
346
347 case UCAL_REPEATED_WALL_TIME:
348 return ((Calendar*)cal)->getRepeatedWallTimeOption();
349
350 case UCAL_SKIPPED_WALL_TIME:
351 return ((Calendar*)cal)->getSkippedWallTimeOption();
352
353 default:
354 break;
355 }
356 return -1;
357}
358
359U_CAPI void U_EXPORT2
360ucal_setAttribute( UCalendar* cal,
361 UCalendarAttribute attr,
362 int32_t newValue)
363{
364
365 switch(attr) {
366 case UCAL_LENIENT:
367 ((Calendar*)cal)->setLenient((UBool)newValue);
368 break;
369
370 case UCAL_FIRST_DAY_OF_WEEK:
371 ((Calendar*)cal)->setFirstDayOfWeek((UCalendarDaysOfWeek)newValue);
372 break;
373
374 case UCAL_MINIMAL_DAYS_IN_FIRST_WEEK:
375 ((Calendar*)cal)->setMinimalDaysInFirstWeek((uint8_t)newValue);
376 break;
377
378 case UCAL_REPEATED_WALL_TIME:
379 ((Calendar*)cal)->setRepeatedWallTimeOption((UCalendarWallTimeOption)newValue);
380 break;
381
382 case UCAL_SKIPPED_WALL_TIME:
383 ((Calendar*)cal)->setSkippedWallTimeOption((UCalendarWallTimeOption)newValue);
384 break;
385 }
386}
387
388U_CAPI const char* U_EXPORT2
389ucal_getAvailable(int32_t index)
390{
391
392 return uloc_getAvailable(index);
393}
394
395U_CAPI int32_t U_EXPORT2
396ucal_countAvailable()
397{
398
399 return uloc_countAvailable();
400}
401
402U_CAPI UDate U_EXPORT2
403ucal_getMillis( const UCalendar* cal,
404 UErrorCode* status)
405{
406
407 if(U_FAILURE(*status)) return (UDate) 0;
408
409 return ((Calendar*)cal)->getTime(*status);
410}
411
412U_CAPI void U_EXPORT2
413ucal_setMillis( UCalendar* cal,
414 UDate dateTime,
415 UErrorCode* status )
416{
417 if(U_FAILURE(*status)) return;
418
419 ((Calendar*)cal)->setTime(dateTime, *status);
420}
421
422// TBD: why does this take an UErrorCode?
423U_CAPI void U_EXPORT2
424ucal_setDate( UCalendar* cal,
425 int32_t year,
426 int32_t month,
427 int32_t date,
428 UErrorCode *status)
429{
430
431 if(U_FAILURE(*status)) return;
432
433 ((Calendar*)cal)->set(year, month, date);
434}
435
436// TBD: why does this take an UErrorCode?
437U_CAPI void U_EXPORT2
438ucal_setDateTime( UCalendar* cal,
439 int32_t year,
440 int32_t month,
441 int32_t date,
442 int32_t hour,
443 int32_t minute,
444 int32_t second,
445 UErrorCode *status)
446{
447 if(U_FAILURE(*status)) return;
448
449 ((Calendar*)cal)->set(year, month, date, hour, minute, second);
450}
451
452U_CAPI UBool U_EXPORT2
453ucal_equivalentTo( const UCalendar* cal1,
454 const UCalendar* cal2)
455{
456
457 return ((Calendar*)cal1)->isEquivalentTo(*((Calendar*)cal2));
458}
459
460U_CAPI void U_EXPORT2
461ucal_add( UCalendar* cal,
462 UCalendarDateFields field,
463 int32_t amount,
464 UErrorCode* status)
465{
466
467 if(U_FAILURE(*status)) return;
468
469 ((Calendar*)cal)->add(field, amount, *status);
470}
471
472U_CAPI void U_EXPORT2
473ucal_roll( UCalendar* cal,
474 UCalendarDateFields field,
475 int32_t amount,
476 UErrorCode* status)
477{
478
479 if(U_FAILURE(*status)) return;
480
481 ((Calendar*)cal)->roll(field, amount, *status);
482}
483
484U_CAPI int32_t U_EXPORT2
485ucal_get( const UCalendar* cal,
486 UCalendarDateFields field,
487 UErrorCode* status )
488{
489
490 if(U_FAILURE(*status)) return -1;
491
492 return ((Calendar*)cal)->get(field, *status);
493}
494
495U_CAPI void U_EXPORT2
496ucal_set( UCalendar* cal,
497 UCalendarDateFields field,
498 int32_t value)
499{
500
501 ((Calendar*)cal)->set(field, value);
502}
503
504U_CAPI UBool U_EXPORT2
505ucal_isSet( const UCalendar* cal,
506 UCalendarDateFields field)
507{
508
509 return ((Calendar*)cal)->isSet(field);
510}
511
512U_CAPI void U_EXPORT2
513ucal_clearField( UCalendar* cal,
514 UCalendarDateFields field)
515{
516
517 ((Calendar*)cal)->clear(field);
518}
519
520U_CAPI void U_EXPORT2
521ucal_clear(UCalendar* calendar)
522{
523
524 ((Calendar*)calendar)->clear();
525}
526
527U_CAPI int32_t U_EXPORT2
528ucal_getLimit( const UCalendar* cal,
529 UCalendarDateFields field,
530 UCalendarLimitType type,
531 UErrorCode *status)
532{
533
534 if(status==0 || U_FAILURE(*status)) {
535 return -1;
536 }
537
538 switch(type) {
539 case UCAL_MINIMUM:
540 return ((Calendar*)cal)->getMinimum(field);
541
542 case UCAL_MAXIMUM:
543 return ((Calendar*)cal)->getMaximum(field);
544
545 case UCAL_GREATEST_MINIMUM:
546 return ((Calendar*)cal)->getGreatestMinimum(field);
547
548 case UCAL_LEAST_MAXIMUM:
549 return ((Calendar*)cal)->getLeastMaximum(field);
550
551 case UCAL_ACTUAL_MINIMUM:
552 return ((Calendar*)cal)->getActualMinimum(field,
553 *status);
554
555 case UCAL_ACTUAL_MAXIMUM:
556 return ((Calendar*)cal)->getActualMaximum(field,
557 *status);
558
559 default:
560 break;
561 }
562 return -1;
563}
564
565U_CAPI const char * U_EXPORT2
566ucal_getLocaleByType(const UCalendar *cal, ULocDataLocaleType type, UErrorCode* status)
567{
568 if (cal == NULL) {
569 if (U_SUCCESS(*status)) {
570 *status = U_ILLEGAL_ARGUMENT_ERROR;
571 }
572 return NULL;
573 }
574 return ((Calendar*)cal)->getLocaleID(type, *status);
575}
576
577U_CAPI const char * U_EXPORT2
578ucal_getTZDataVersion(UErrorCode* status)
579{
580 return TimeZone::getTZDataVersion(*status);
581}
582
583U_CAPI int32_t U_EXPORT2
584ucal_getCanonicalTimeZoneID(const UChar* id, int32_t len,
585 UChar* result, int32_t resultCapacity, UBool *isSystemID, UErrorCode* status) {
586 if(status == 0 || U_FAILURE(*status)) {
587 return 0;
588 }
589 if (isSystemID) {
590 *isSystemID = FALSE;
591 }
592 if (id == 0 || len == 0 || result == 0 || resultCapacity <= 0) {
593 *status = U_ILLEGAL_ARGUMENT_ERROR;
594 return 0;
595 }
596 int32_t reslen = 0;
597 UnicodeString canonical;
598 UBool systemID = FALSE;
599 TimeZone::getCanonicalID(UnicodeString(id, len), canonical, systemID, *status);
600 if (U_SUCCESS(*status)) {
601 if (isSystemID) {
602 *isSystemID = systemID;
603 }
604 reslen = canonical.extract(result, resultCapacity, *status);
605 }
606 return reslen;
607}
608
609U_CAPI const char * U_EXPORT2
610ucal_getType(const UCalendar *cal, UErrorCode* status)
611{
612 if (U_FAILURE(*status)) {
613 return NULL;
614 }
615 return ((Calendar*)cal)->getType();
616}
617
618U_CAPI UCalendarWeekdayType U_EXPORT2
619ucal_getDayOfWeekType(const UCalendar *cal, UCalendarDaysOfWeek dayOfWeek, UErrorCode* status)
620{
621 if (U_FAILURE(*status)) {
622 return UCAL_WEEKDAY;
623 }
624 return ((Calendar*)cal)->getDayOfWeekType(dayOfWeek, *status);
625}
626
627U_CAPI int32_t U_EXPORT2
628ucal_getWeekendTransition(const UCalendar *cal, UCalendarDaysOfWeek dayOfWeek, UErrorCode *status)
629{
630 if (U_FAILURE(*status)) {
631 return 0;
632 }
633 return ((Calendar*)cal)->getWeekendTransition(dayOfWeek, *status);
634}
635
636U_CAPI UBool U_EXPORT2
637ucal_isWeekend(const UCalendar *cal, UDate date, UErrorCode *status)
638{
639 if (U_FAILURE(*status)) {
640 return FALSE;
641 }
642 return ((Calendar*)cal)->isWeekend(date, *status);
643}
644
645U_CAPI int32_t U_EXPORT2
646ucal_getFieldDifference(UCalendar* cal, UDate target,
647 UCalendarDateFields field,
648 UErrorCode* status )
649{
650 if (U_FAILURE(*status)) {
651 return 0;
652 }
653 return ((Calendar*)cal)->fieldDifference(target, field, *status);
654}
655
656
657static const UEnumeration defaultKeywordValues = {
658 NULL,
659 NULL,
660 ulist_close_keyword_values_iterator,
661 ulist_count_keyword_values,
662 uenum_unextDefault,
663 ulist_next_keyword_value,
664 ulist_reset_keyword_values_iterator
665};
666
667static const char * const CAL_TYPES[] = {
668 "gregorian",
669 "japanese",
670 "buddhist",
671 "roc",
672 "persian",
673 "islamic-civil",
674 "islamic",
675 "hebrew",
676 "chinese",
677 "indian",
678 "coptic",
679 "ethiopic",
680 "ethiopic-amete-alem",
681 "iso8601",
682 "dangi",
683 "islamic-umalqura",
684 "islamic-tbla",
685 "islamic-rgsa",
686 NULL
687};
688
689U_CAPI UEnumeration* U_EXPORT2
690ucal_getKeywordValuesForLocale(const char * /* key */, const char* locale, UBool commonlyUsed, UErrorCode *status) {
691 // Resolve region
692 char prefRegion[ULOC_COUNTRY_CAPACITY];
693 (void)ulocimp_getRegionForSupplementalData(locale, TRUE, prefRegion, sizeof(prefRegion), status);
694
695 // Read preferred calendar values from supplementalData calendarPreference
696 UResourceBundle *rb = ures_openDirect(NULL, "supplementalData", status);
697 ures_getByKey(rb, "calendarPreferenceData", rb, status);
698 UResourceBundle *order = ures_getByKey(rb, prefRegion, NULL, status);
699 if (*status == U_MISSING_RESOURCE_ERROR && rb != NULL) {
700 *status = U_ZERO_ERROR;
701 order = ures_getByKey(rb, "001", NULL, status);
702 }
703
704 // Create a list of calendar type strings
705 UList *values = NULL;
706 if (U_SUCCESS(*status)) {
707 values = ulist_createEmptyList(status);
708 if (U_SUCCESS(*status)) {
709 for (int i = 0; i < ures_getSize(order); i++) {
710 int32_t len;
711 const UChar *type = ures_getStringByIndex(order, i, &len, status);
712 char *caltype = (char*)uprv_malloc(len + 1);
713 if (caltype == NULL) {
714 *status = U_MEMORY_ALLOCATION_ERROR;
715 break;
716 }
717 u_UCharsToChars(type, caltype, len);
718 *(caltype + len) = 0;
719
720 ulist_addItemEndList(values, caltype, TRUE, status);
721 if (U_FAILURE(*status)) {
722 break;
723 }
724 }
725
726 if (U_SUCCESS(*status) && !commonlyUsed) {
727 // If not commonlyUsed, add other available values
728 for (int32_t i = 0; CAL_TYPES[i] != NULL; i++) {
729 if (!ulist_containsString(values, CAL_TYPES[i], (int32_t)uprv_strlen(CAL_TYPES[i]))) {
730 ulist_addItemEndList(values, CAL_TYPES[i], FALSE, status);
731 if (U_FAILURE(*status)) {
732 break;
733 }
734 }
735 }
736 }
737 if (U_FAILURE(*status)) {
738 ulist_deleteList(values);
739 values = NULL;
740 }
741 }
742 }
743
744 ures_close(order);
745 ures_close(rb);
746
747 if (U_FAILURE(*status) || values == NULL) {
748 return NULL;
749 }
750
751 // Create string enumeration
752 UEnumeration *en = (UEnumeration*)uprv_malloc(sizeof(UEnumeration));
753 if (en == NULL) {
754 *status = U_MEMORY_ALLOCATION_ERROR;
755 ulist_deleteList(values);
756 return NULL;
757 }
758 ulist_resetList(values);
759 memcpy(en, &defaultKeywordValues, sizeof(UEnumeration));
760 en->context = values;
761 return en;
762}
763
764U_CAPI UBool U_EXPORT2
765ucal_getTimeZoneTransitionDate(const UCalendar* cal, UTimeZoneTransitionType type,
766 UDate* transition, UErrorCode* status)
767{
768 if (U_FAILURE(*status)) {
769 return FALSE;
770 }
771 UDate base = ((Calendar*)cal)->getTime(*status);
772 const TimeZone& tz = ((Calendar*)cal)->getTimeZone();
773 const BasicTimeZone * btz = dynamic_cast<const BasicTimeZone *>(&tz);
774 if (btz != NULL && U_SUCCESS(*status)) {
775 TimeZoneTransition tzt;
776 UBool inclusive = (type == UCAL_TZ_TRANSITION_NEXT_INCLUSIVE || type == UCAL_TZ_TRANSITION_PREVIOUS_INCLUSIVE);
777 UBool result = (type == UCAL_TZ_TRANSITION_NEXT || type == UCAL_TZ_TRANSITION_NEXT_INCLUSIVE)?
778 btz->getNextTransition(base, inclusive, tzt):
779 btz->getPreviousTransition(base, inclusive, tzt);
780 if (result) {
781 *transition = tzt.getTime();
782 return TRUE;
783 }
784 }
785 return FALSE;
786}
787
788U_CAPI int32_t U_EXPORT2
789ucal_getWindowsTimeZoneID(const UChar* id, int32_t len, UChar* winid, int32_t winidCapacity, UErrorCode* status) {
790 if (U_FAILURE(*status)) {
791 return 0;
792 }
793
794 int32_t resultLen = 0;
795 UnicodeString resultWinID;
796
797 TimeZone::getWindowsID(UnicodeString(id, len), resultWinID, *status);
798 if (U_SUCCESS(*status) && resultWinID.length() > 0) {
799 resultLen = resultWinID.length();
800 resultWinID.extract(winid, winidCapacity, *status);
801 }
802
803 return resultLen;
804}
805
806U_CAPI int32_t U_EXPORT2
807ucal_getTimeZoneIDForWindowsID(const UChar* winid, int32_t len, const char* region, UChar* id, int32_t idCapacity, UErrorCode* status) {
808 if (U_FAILURE(*status)) {
809 return 0;
810 }
811
812 int32_t resultLen = 0;
813 UnicodeString resultID;
814
815 TimeZone::getIDForWindowsID(UnicodeString(winid, len), region, resultID, *status);
816 if (U_SUCCESS(*status) && resultID.length() > 0) {
817 resultLen = resultID.length();
818 resultID.extract(id, idCapacity, *status);
819 }
820
821 return resultLen;
822}
823
824#endif /* #if !UCONFIG_NO_FORMATTING */
825