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
32 U_NAMESPACE_USE
33
34 static TimeZone*
_createTimeZone(const UChar * zoneID,int32_t len,UErrorCode * ec)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
52 U_CAPI UEnumeration* U_EXPORT2
ucal_openTimeZoneIDEnumeration(USystemTimeZoneType zoneType,const char * region,const int32_t * rawOffset,UErrorCode * ec)53 ucal_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
59 U_CAPI UEnumeration* U_EXPORT2
ucal_openTimeZones(UErrorCode * ec)60 ucal_openTimeZones(UErrorCode* ec) {
61 return uenum_openFromStringEnumeration(TimeZone::createEnumeration(), ec);
62 }
63
64 U_CAPI UEnumeration* U_EXPORT2
ucal_openCountryTimeZones(const char * country,UErrorCode * ec)65 ucal_openCountryTimeZones(const char* country, UErrorCode* ec) {
66 return uenum_openFromStringEnumeration(TimeZone::createEnumeration(country), ec);
67 }
68
69 U_CAPI int32_t U_EXPORT2
ucal_getDefaultTimeZone(UChar * result,int32_t resultCapacity,UErrorCode * ec)70 ucal_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
86 U_CAPI void U_EXPORT2
ucal_setDefaultTimeZone(const UChar * zoneID,UErrorCode * ec)87 ucal_setDefaultTimeZone(const UChar* zoneID, UErrorCode* ec) {
88 TimeZone* zone = _createTimeZone(zoneID, -1, ec);
89 if (zone != NULL) {
90 TimeZone::adoptDefault(zone);
91 }
92 }
93
94 U_CAPI int32_t U_EXPORT2
ucal_getHostTimeZone(UChar * result,int32_t resultCapacity,UErrorCode * ec)95 ucal_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
111 U_CAPI int32_t U_EXPORT2
ucal_getDSTSavings(const UChar * zoneID,UErrorCode * ec)112 ucal_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
141 U_CAPI UDate U_EXPORT2
ucal_getNow()142 ucal_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
150 U_CAPI UCalendar* U_EXPORT2
ucal_open(const UChar * zoneID,int32_t len,const char * locale,UCalendarType caltype,UErrorCode * status)151 ucal_open( const UChar* zoneID,
152 int32_t len,
153 const char* locale,
154 UCalendarType caltype,
155 UErrorCode* status)
156 {
157 if (U_FAILURE(*status)) {
158 return nullptr;
159 }
160
161 LocalPointer<TimeZone> zone( (zoneID==nullptr) ? TimeZone::createDefault()
162 : _createTimeZone(zoneID, len, status), *status);
163
164 if (U_FAILURE(*status)) {
165 return nullptr;
166 }
167
168 if ( caltype == UCAL_GREGORIAN ) {
169 char localeBuf[ULOC_LOCALE_IDENTIFIER_CAPACITY];
170 if ( locale == nullptr ) {
171 locale = uloc_getDefault();
172 }
173 int32_t localeLength = static_cast<int32_t>(uprv_strlen(locale));
174 if (localeLength >= ULOC_LOCALE_IDENTIFIER_CAPACITY) {
175 *status = U_ILLEGAL_ARGUMENT_ERROR;
176 return nullptr;
177 }
178 uprv_strcpy(localeBuf, locale);
179 uloc_setKeywordValue("calendar", "gregorian", localeBuf, ULOC_LOCALE_IDENTIFIER_CAPACITY, status);
180 if (U_FAILURE(*status)) {
181 return nullptr;
182 }
183 return (UCalendar*)Calendar::createInstance(zone.orphan(), Locale(localeBuf), *status);
184 }
185 return (UCalendar*)Calendar::createInstance(zone.orphan(), Locale(locale), *status);
186 }
187
188 U_CAPI void U_EXPORT2
ucal_close(UCalendar * cal)189 ucal_close(UCalendar *cal)
190 {
191 if (cal != nullptr) {
192 delete (Calendar*) cal;
193 }
194 }
195
196 U_CAPI UCalendar* U_EXPORT2
ucal_clone(const UCalendar * cal,UErrorCode * status)197 ucal_clone(const UCalendar* cal,
198 UErrorCode* status)
199 {
200 if(U_FAILURE(*status)) return 0;
201
202 Calendar* res = ((Calendar*)cal)->clone();
203
204 if(res == 0) {
205 *status = U_MEMORY_ALLOCATION_ERROR;
206 return 0;
207 }
208
209 return (UCalendar*) res;
210 }
211
212 U_CAPI void U_EXPORT2
ucal_setTimeZone(UCalendar * cal,const UChar * zoneID,int32_t len,UErrorCode * status)213 ucal_setTimeZone( UCalendar* cal,
214 const UChar* zoneID,
215 int32_t len,
216 UErrorCode *status)
217 {
218
219 if(U_FAILURE(*status))
220 return;
221
222 TimeZone* zone = (zoneID==NULL) ? TimeZone::createDefault()
223 : _createTimeZone(zoneID, len, status);
224
225 if (zone != NULL) {
226 ((Calendar*)cal)->adoptTimeZone(zone);
227 }
228 }
229
230 U_CAPI int32_t U_EXPORT2
ucal_getTimeZoneID(const UCalendar * cal,UChar * result,int32_t resultLength,UErrorCode * status)231 ucal_getTimeZoneID(const UCalendar *cal,
232 UChar *result,
233 int32_t resultLength,
234 UErrorCode *status)
235 {
236 if (U_FAILURE(*status)) {
237 return 0;
238 }
239 const TimeZone& tz = ((Calendar*)cal)->getTimeZone();
240 UnicodeString id;
241 tz.getID(id);
242 return id.extract(result, resultLength, *status);
243 }
244
245 U_CAPI int32_t U_EXPORT2
ucal_getTimeZoneDisplayName(const UCalendar * cal,UCalendarDisplayNameType type,const char * locale,UChar * result,int32_t resultLength,UErrorCode * status)246 ucal_getTimeZoneDisplayName(const UCalendar* cal,
247 UCalendarDisplayNameType type,
248 const char *locale,
249 UChar* result,
250 int32_t resultLength,
251 UErrorCode* status)
252 {
253
254 if(U_FAILURE(*status)) return -1;
255
256 const TimeZone& tz = ((Calendar*)cal)->getTimeZone();
257 UnicodeString id;
258 if(!(result==NULL && resultLength==0)) {
259 // NULL destination for pure preflighting: empty dummy string
260 // otherwise, alias the destination buffer
261 id.setTo(result, 0, resultLength);
262 }
263
264 switch(type) {
265 case UCAL_STANDARD:
266 tz.getDisplayName(FALSE, TimeZone::LONG, Locale(locale), id);
267 break;
268
269 case UCAL_SHORT_STANDARD:
270 tz.getDisplayName(FALSE, TimeZone::SHORT, Locale(locale), id);
271 break;
272
273 case UCAL_DST:
274 tz.getDisplayName(TRUE, TimeZone::LONG, Locale(locale), id);
275 break;
276
277 case UCAL_SHORT_DST:
278 tz.getDisplayName(TRUE, TimeZone::SHORT, Locale(locale), id);
279 break;
280 }
281
282 return id.extract(result, resultLength, *status);
283 }
284
285 U_CAPI UBool U_EXPORT2
ucal_inDaylightTime(const UCalendar * cal,UErrorCode * status)286 ucal_inDaylightTime( const UCalendar* cal,
287 UErrorCode* status )
288 {
289
290 if(U_FAILURE(*status)) return (UBool) -1;
291 return ((Calendar*)cal)->inDaylightTime(*status);
292 }
293
294 U_CAPI void U_EXPORT2
ucal_setGregorianChange(UCalendar * cal,UDate date,UErrorCode * pErrorCode)295 ucal_setGregorianChange(UCalendar *cal, UDate date, UErrorCode *pErrorCode) {
296 if(U_FAILURE(*pErrorCode)) {
297 return;
298 }
299 Calendar *cpp_cal = (Calendar *)cal;
300 GregorianCalendar *gregocal = dynamic_cast<GregorianCalendar *>(cpp_cal);
301 // Not if(gregocal == NULL) {
302 // because we really want to work only with a GregorianCalendar, not with
303 // its subclasses like BuddhistCalendar.
304 if (cpp_cal == NULL) {
305 // We normally don't check "this" pointers for NULL, but this here avoids
306 // compiler-generated exception-throwing code in case cal == NULL.
307 *pErrorCode = U_ILLEGAL_ARGUMENT_ERROR;
308 return;
309 }
310 if(typeid(*cpp_cal) != typeid(GregorianCalendar)) {
311 *pErrorCode = U_UNSUPPORTED_ERROR;
312 return;
313 }
314 gregocal->setGregorianChange(date, *pErrorCode);
315 }
316
317 U_CAPI UDate U_EXPORT2
ucal_getGregorianChange(const UCalendar * cal,UErrorCode * pErrorCode)318 ucal_getGregorianChange(const UCalendar *cal, UErrorCode *pErrorCode) {
319 if(U_FAILURE(*pErrorCode)) {
320 return (UDate)0;
321 }
322 const Calendar *cpp_cal = (const Calendar *)cal;
323 const GregorianCalendar *gregocal = dynamic_cast<const GregorianCalendar *>(cpp_cal);
324 // Not if(gregocal == NULL) {
325 // see comments in ucal_setGregorianChange().
326 if (cpp_cal == NULL) {
327 // We normally don't check "this" pointers for NULL, but this here avoids
328 // compiler-generated exception-throwing code in case cal == NULL.
329 *pErrorCode = U_ILLEGAL_ARGUMENT_ERROR;
330 return (UDate)0;
331 }
332 if(typeid(*cpp_cal) != typeid(GregorianCalendar)) {
333 *pErrorCode = U_UNSUPPORTED_ERROR;
334 return (UDate)0;
335 }
336 return gregocal->getGregorianChange();
337 }
338
339 U_CAPI int32_t U_EXPORT2
ucal_getAttribute(const UCalendar * cal,UCalendarAttribute attr)340 ucal_getAttribute( const UCalendar* cal,
341 UCalendarAttribute attr)
342 {
343
344 switch(attr) {
345 case UCAL_LENIENT:
346 return ((Calendar*)cal)->isLenient();
347
348 case UCAL_FIRST_DAY_OF_WEEK:
349 return ((Calendar*)cal)->getFirstDayOfWeek();
350
351 case UCAL_MINIMAL_DAYS_IN_FIRST_WEEK:
352 return ((Calendar*)cal)->getMinimalDaysInFirstWeek();
353
354 case UCAL_REPEATED_WALL_TIME:
355 return ((Calendar*)cal)->getRepeatedWallTimeOption();
356
357 case UCAL_SKIPPED_WALL_TIME:
358 return ((Calendar*)cal)->getSkippedWallTimeOption();
359
360 default:
361 break;
362 }
363 return -1;
364 }
365
366 U_CAPI void U_EXPORT2
ucal_setAttribute(UCalendar * cal,UCalendarAttribute attr,int32_t newValue)367 ucal_setAttribute( UCalendar* cal,
368 UCalendarAttribute attr,
369 int32_t newValue)
370 {
371
372 switch(attr) {
373 case UCAL_LENIENT:
374 ((Calendar*)cal)->setLenient((UBool)newValue);
375 break;
376
377 case UCAL_FIRST_DAY_OF_WEEK:
378 ((Calendar*)cal)->setFirstDayOfWeek((UCalendarDaysOfWeek)newValue);
379 break;
380
381 case UCAL_MINIMAL_DAYS_IN_FIRST_WEEK:
382 ((Calendar*)cal)->setMinimalDaysInFirstWeek((uint8_t)newValue);
383 break;
384
385 case UCAL_REPEATED_WALL_TIME:
386 ((Calendar*)cal)->setRepeatedWallTimeOption((UCalendarWallTimeOption)newValue);
387 break;
388
389 case UCAL_SKIPPED_WALL_TIME:
390 ((Calendar*)cal)->setSkippedWallTimeOption((UCalendarWallTimeOption)newValue);
391 break;
392 }
393 }
394
395 U_CAPI const char* U_EXPORT2
ucal_getAvailable(int32_t index)396 ucal_getAvailable(int32_t index)
397 {
398
399 return uloc_getAvailable(index);
400 }
401
402 U_CAPI int32_t U_EXPORT2
ucal_countAvailable()403 ucal_countAvailable()
404 {
405
406 return uloc_countAvailable();
407 }
408
409 U_CAPI UDate U_EXPORT2
ucal_getMillis(const UCalendar * cal,UErrorCode * status)410 ucal_getMillis( const UCalendar* cal,
411 UErrorCode* status)
412 {
413
414 if(U_FAILURE(*status)) return (UDate) 0;
415
416 return ((Calendar*)cal)->getTime(*status);
417 }
418
419 U_CAPI void U_EXPORT2
ucal_setMillis(UCalendar * cal,UDate dateTime,UErrorCode * status)420 ucal_setMillis( UCalendar* cal,
421 UDate dateTime,
422 UErrorCode* status )
423 {
424 if(U_FAILURE(*status)) return;
425
426 ((Calendar*)cal)->setTime(dateTime, *status);
427 }
428
429 // TBD: why does this take an UErrorCode?
430 U_CAPI void U_EXPORT2
ucal_setDate(UCalendar * cal,int32_t year,int32_t month,int32_t date,UErrorCode * status)431 ucal_setDate( UCalendar* cal,
432 int32_t year,
433 int32_t month,
434 int32_t date,
435 UErrorCode *status)
436 {
437
438 if(U_FAILURE(*status)) return;
439
440 ((Calendar*)cal)->set(year, month, date);
441 }
442
443 // TBD: why does this take an UErrorCode?
444 U_CAPI void U_EXPORT2
ucal_setDateTime(UCalendar * cal,int32_t year,int32_t month,int32_t date,int32_t hour,int32_t minute,int32_t second,UErrorCode * status)445 ucal_setDateTime( UCalendar* cal,
446 int32_t year,
447 int32_t month,
448 int32_t date,
449 int32_t hour,
450 int32_t minute,
451 int32_t second,
452 UErrorCode *status)
453 {
454 if(U_FAILURE(*status)) return;
455
456 ((Calendar*)cal)->set(year, month, date, hour, minute, second);
457 }
458
459 U_CAPI UBool U_EXPORT2
ucal_equivalentTo(const UCalendar * cal1,const UCalendar * cal2)460 ucal_equivalentTo( const UCalendar* cal1,
461 const UCalendar* cal2)
462 {
463
464 return ((Calendar*)cal1)->isEquivalentTo(*((Calendar*)cal2));
465 }
466
467 U_CAPI void U_EXPORT2
ucal_add(UCalendar * cal,UCalendarDateFields field,int32_t amount,UErrorCode * status)468 ucal_add( UCalendar* cal,
469 UCalendarDateFields field,
470 int32_t amount,
471 UErrorCode* status)
472 {
473
474 if(U_FAILURE(*status)) return;
475
476 ((Calendar*)cal)->add(field, amount, *status);
477 }
478
479 U_CAPI void U_EXPORT2
ucal_roll(UCalendar * cal,UCalendarDateFields field,int32_t amount,UErrorCode * status)480 ucal_roll( UCalendar* cal,
481 UCalendarDateFields field,
482 int32_t amount,
483 UErrorCode* status)
484 {
485
486 if(U_FAILURE(*status)) return;
487
488 ((Calendar*)cal)->roll(field, amount, *status);
489 }
490
491 U_CAPI int32_t U_EXPORT2
ucal_get(const UCalendar * cal,UCalendarDateFields field,UErrorCode * status)492 ucal_get( const UCalendar* cal,
493 UCalendarDateFields field,
494 UErrorCode* status )
495 {
496
497 if(U_FAILURE(*status)) return -1;
498
499 return ((Calendar*)cal)->get(field, *status);
500 }
501
502 U_CAPI void U_EXPORT2
ucal_set(UCalendar * cal,UCalendarDateFields field,int32_t value)503 ucal_set( UCalendar* cal,
504 UCalendarDateFields field,
505 int32_t value)
506 {
507
508 ((Calendar*)cal)->set(field, value);
509 }
510
511 U_CAPI UBool U_EXPORT2
ucal_isSet(const UCalendar * cal,UCalendarDateFields field)512 ucal_isSet( const UCalendar* cal,
513 UCalendarDateFields field)
514 {
515
516 return ((Calendar*)cal)->isSet(field);
517 }
518
519 U_CAPI void U_EXPORT2
ucal_clearField(UCalendar * cal,UCalendarDateFields field)520 ucal_clearField( UCalendar* cal,
521 UCalendarDateFields field)
522 {
523
524 ((Calendar*)cal)->clear(field);
525 }
526
527 U_CAPI void U_EXPORT2
ucal_clear(UCalendar * calendar)528 ucal_clear(UCalendar* calendar)
529 {
530
531 ((Calendar*)calendar)->clear();
532 }
533
534 U_CAPI int32_t U_EXPORT2
ucal_getLimit(const UCalendar * cal,UCalendarDateFields field,UCalendarLimitType type,UErrorCode * status)535 ucal_getLimit( const UCalendar* cal,
536 UCalendarDateFields field,
537 UCalendarLimitType type,
538 UErrorCode *status)
539 {
540
541 if(status==0 || U_FAILURE(*status)) {
542 return -1;
543 }
544
545 switch(type) {
546 case UCAL_MINIMUM:
547 return ((Calendar*)cal)->getMinimum(field);
548
549 case UCAL_MAXIMUM:
550 return ((Calendar*)cal)->getMaximum(field);
551
552 case UCAL_GREATEST_MINIMUM:
553 return ((Calendar*)cal)->getGreatestMinimum(field);
554
555 case UCAL_LEAST_MAXIMUM:
556 return ((Calendar*)cal)->getLeastMaximum(field);
557
558 case UCAL_ACTUAL_MINIMUM:
559 return ((Calendar*)cal)->getActualMinimum(field,
560 *status);
561
562 case UCAL_ACTUAL_MAXIMUM:
563 return ((Calendar*)cal)->getActualMaximum(field,
564 *status);
565
566 default:
567 break;
568 }
569 return -1;
570 }
571
572 U_CAPI const char * U_EXPORT2
ucal_getLocaleByType(const UCalendar * cal,ULocDataLocaleType type,UErrorCode * status)573 ucal_getLocaleByType(const UCalendar *cal, ULocDataLocaleType type, UErrorCode* status)
574 {
575 if (cal == NULL) {
576 if (U_SUCCESS(*status)) {
577 *status = U_ILLEGAL_ARGUMENT_ERROR;
578 }
579 return NULL;
580 }
581 return ((Calendar*)cal)->getLocaleID(type, *status);
582 }
583
584 U_CAPI const char * U_EXPORT2
ucal_getTZDataVersion(UErrorCode * status)585 ucal_getTZDataVersion(UErrorCode* status)
586 {
587 return TimeZone::getTZDataVersion(*status);
588 }
589
590 U_CAPI int32_t U_EXPORT2
ucal_getCanonicalTimeZoneID(const UChar * id,int32_t len,UChar * result,int32_t resultCapacity,UBool * isSystemID,UErrorCode * status)591 ucal_getCanonicalTimeZoneID(const UChar* id, int32_t len,
592 UChar* result, int32_t resultCapacity, UBool *isSystemID, UErrorCode* status) {
593 if(status == 0 || U_FAILURE(*status)) {
594 return 0;
595 }
596 if (isSystemID) {
597 *isSystemID = FALSE;
598 }
599 if (id == 0 || len == 0 || result == 0 || resultCapacity <= 0) {
600 *status = U_ILLEGAL_ARGUMENT_ERROR;
601 return 0;
602 }
603 int32_t reslen = 0;
604 UnicodeString canonical;
605 UBool systemID = FALSE;
606 TimeZone::getCanonicalID(UnicodeString(id, len), canonical, systemID, *status);
607 if (U_SUCCESS(*status)) {
608 if (isSystemID) {
609 *isSystemID = systemID;
610 }
611 reslen = canonical.extract(result, resultCapacity, *status);
612 }
613 return reslen;
614 }
615
616 U_CAPI const char * U_EXPORT2
ucal_getType(const UCalendar * cal,UErrorCode * status)617 ucal_getType(const UCalendar *cal, UErrorCode* status)
618 {
619 if (U_FAILURE(*status)) {
620 return NULL;
621 }
622 return ((Calendar*)cal)->getType();
623 }
624
625 U_CAPI UCalendarWeekdayType U_EXPORT2
ucal_getDayOfWeekType(const UCalendar * cal,UCalendarDaysOfWeek dayOfWeek,UErrorCode * status)626 ucal_getDayOfWeekType(const UCalendar *cal, UCalendarDaysOfWeek dayOfWeek, UErrorCode* status)
627 {
628 if (U_FAILURE(*status)) {
629 return UCAL_WEEKDAY;
630 }
631 return ((Calendar*)cal)->getDayOfWeekType(dayOfWeek, *status);
632 }
633
634 U_CAPI int32_t U_EXPORT2
ucal_getWeekendTransition(const UCalendar * cal,UCalendarDaysOfWeek dayOfWeek,UErrorCode * status)635 ucal_getWeekendTransition(const UCalendar *cal, UCalendarDaysOfWeek dayOfWeek, UErrorCode *status)
636 {
637 if (U_FAILURE(*status)) {
638 return 0;
639 }
640 return ((Calendar*)cal)->getWeekendTransition(dayOfWeek, *status);
641 }
642
643 U_CAPI UBool U_EXPORT2
ucal_isWeekend(const UCalendar * cal,UDate date,UErrorCode * status)644 ucal_isWeekend(const UCalendar *cal, UDate date, UErrorCode *status)
645 {
646 if (U_FAILURE(*status)) {
647 return FALSE;
648 }
649 return ((Calendar*)cal)->isWeekend(date, *status);
650 }
651
652 U_CAPI int32_t U_EXPORT2
ucal_getFieldDifference(UCalendar * cal,UDate target,UCalendarDateFields field,UErrorCode * status)653 ucal_getFieldDifference(UCalendar* cal, UDate target,
654 UCalendarDateFields field,
655 UErrorCode* status )
656 {
657 if (U_FAILURE(*status)) {
658 return 0;
659 }
660 return ((Calendar*)cal)->fieldDifference(target, field, *status);
661 }
662
663
664 static const UEnumeration defaultKeywordValues = {
665 NULL,
666 NULL,
667 ulist_close_keyword_values_iterator,
668 ulist_count_keyword_values,
669 uenum_unextDefault,
670 ulist_next_keyword_value,
671 ulist_reset_keyword_values_iterator
672 };
673
674 static const char * const CAL_TYPES[] = {
675 "gregorian",
676 "japanese",
677 "buddhist",
678 "roc",
679 "persian",
680 "islamic-civil",
681 "islamic",
682 "hebrew",
683 "chinese",
684 "indian",
685 "coptic",
686 "ethiopic",
687 "ethiopic-amete-alem",
688 "iso8601",
689 "dangi",
690 "islamic-umalqura",
691 "islamic-tbla",
692 "islamic-rgsa",
693 NULL
694 };
695
696 U_CAPI UEnumeration* U_EXPORT2
ucal_getKeywordValuesForLocale(const char *,const char * locale,UBool commonlyUsed,UErrorCode * status)697 ucal_getKeywordValuesForLocale(const char * /* key */, const char* locale, UBool commonlyUsed, UErrorCode *status) {
698 // Resolve region
699 char prefRegion[ULOC_COUNTRY_CAPACITY];
700 (void)ulocimp_getRegionForSupplementalData(locale, TRUE, prefRegion, sizeof(prefRegion), status);
701
702 // Read preferred calendar values from supplementalData calendarPreference
703 UResourceBundle *rb = ures_openDirect(NULL, "supplementalData", status);
704 ures_getByKey(rb, "calendarPreferenceData", rb, status);
705 UResourceBundle *order = ures_getByKey(rb, prefRegion, NULL, status);
706 if (*status == U_MISSING_RESOURCE_ERROR && rb != NULL) {
707 *status = U_ZERO_ERROR;
708 order = ures_getByKey(rb, "001", NULL, status);
709 }
710
711 // Create a list of calendar type strings
712 UList *values = NULL;
713 if (U_SUCCESS(*status)) {
714 values = ulist_createEmptyList(status);
715 if (U_SUCCESS(*status)) {
716 for (int i = 0; i < ures_getSize(order); i++) {
717 int32_t len;
718 const UChar *type = ures_getStringByIndex(order, i, &len, status);
719 char *caltype = (char*)uprv_malloc(len + 1);
720 if (caltype == NULL) {
721 *status = U_MEMORY_ALLOCATION_ERROR;
722 break;
723 }
724 u_UCharsToChars(type, caltype, len);
725 *(caltype + len) = 0;
726
727 ulist_addItemEndList(values, caltype, TRUE, status);
728 if (U_FAILURE(*status)) {
729 break;
730 }
731 }
732
733 if (U_SUCCESS(*status) && !commonlyUsed) {
734 // If not commonlyUsed, add other available values
735 for (int32_t i = 0; CAL_TYPES[i] != NULL; i++) {
736 if (!ulist_containsString(values, CAL_TYPES[i], (int32_t)uprv_strlen(CAL_TYPES[i]))) {
737 ulist_addItemEndList(values, CAL_TYPES[i], FALSE, status);
738 if (U_FAILURE(*status)) {
739 break;
740 }
741 }
742 }
743 }
744 if (U_FAILURE(*status)) {
745 ulist_deleteList(values);
746 values = NULL;
747 }
748 }
749 }
750
751 ures_close(order);
752 ures_close(rb);
753
754 if (U_FAILURE(*status) || values == NULL) {
755 return NULL;
756 }
757
758 // Create string enumeration
759 UEnumeration *en = (UEnumeration*)uprv_malloc(sizeof(UEnumeration));
760 if (en == NULL) {
761 *status = U_MEMORY_ALLOCATION_ERROR;
762 ulist_deleteList(values);
763 return NULL;
764 }
765 ulist_resetList(values);
766 memcpy(en, &defaultKeywordValues, sizeof(UEnumeration));
767 en->context = values;
768 return en;
769 }
770
771 U_CAPI UBool U_EXPORT2
ucal_getTimeZoneTransitionDate(const UCalendar * cal,UTimeZoneTransitionType type,UDate * transition,UErrorCode * status)772 ucal_getTimeZoneTransitionDate(const UCalendar* cal, UTimeZoneTransitionType type,
773 UDate* transition, UErrorCode* status)
774 {
775 if (U_FAILURE(*status)) {
776 return FALSE;
777 }
778 UDate base = ((Calendar*)cal)->getTime(*status);
779 const TimeZone& tz = ((Calendar*)cal)->getTimeZone();
780 const BasicTimeZone * btz = dynamic_cast<const BasicTimeZone *>(&tz);
781 if (btz != NULL && U_SUCCESS(*status)) {
782 TimeZoneTransition tzt;
783 UBool inclusive = (type == UCAL_TZ_TRANSITION_NEXT_INCLUSIVE || type == UCAL_TZ_TRANSITION_PREVIOUS_INCLUSIVE);
784 UBool result = (type == UCAL_TZ_TRANSITION_NEXT || type == UCAL_TZ_TRANSITION_NEXT_INCLUSIVE)?
785 btz->getNextTransition(base, inclusive, tzt):
786 btz->getPreviousTransition(base, inclusive, tzt);
787 if (result) {
788 *transition = tzt.getTime();
789 return TRUE;
790 }
791 }
792 return FALSE;
793 }
794
795 U_CAPI int32_t U_EXPORT2
ucal_getWindowsTimeZoneID(const UChar * id,int32_t len,UChar * winid,int32_t winidCapacity,UErrorCode * status)796 ucal_getWindowsTimeZoneID(const UChar* id, int32_t len, UChar* winid, int32_t winidCapacity, UErrorCode* status) {
797 if (U_FAILURE(*status)) {
798 return 0;
799 }
800
801 int32_t resultLen = 0;
802 UnicodeString resultWinID;
803
804 TimeZone::getWindowsID(UnicodeString(id, len), resultWinID, *status);
805 if (U_SUCCESS(*status) && resultWinID.length() > 0) {
806 resultLen = resultWinID.length();
807 resultWinID.extract(winid, winidCapacity, *status);
808 }
809
810 return resultLen;
811 }
812
813 U_CAPI int32_t U_EXPORT2
ucal_getTimeZoneIDForWindowsID(const UChar * winid,int32_t len,const char * region,UChar * id,int32_t idCapacity,UErrorCode * status)814 ucal_getTimeZoneIDForWindowsID(const UChar* winid, int32_t len, const char* region, UChar* id, int32_t idCapacity, UErrorCode* status) {
815 if (U_FAILURE(*status)) {
816 return 0;
817 }
818
819 int32_t resultLen = 0;
820 UnicodeString resultID;
821
822 TimeZone::getIDForWindowsID(UnicodeString(winid, len), region, resultID, *status);
823 if (U_SUCCESS(*status) && resultID.length() > 0) {
824 resultLen = resultID.length();
825 resultID.extract(id, idCapacity, *status);
826 }
827
828 return resultLen;
829 }
830
831 #endif /* #if !UCONFIG_NO_FORMATTING */
832