diff options
Diffstat (limited to 'intl/icu/source/i18n/ucal.cpp')
| -rw-r--r-- | intl/icu/source/i18n/ucal.cpp | 870 |
1 files changed, 870 insertions, 0 deletions
diff --git a/intl/icu/source/i18n/ucal.cpp b/intl/icu/source/i18n/ucal.cpp new file mode 100644 index 0000000000..659fb9a43c --- /dev/null +++ b/intl/icu/source/i18n/ucal.cpp @@ -0,0 +1,870 @@ +// © 2016 and later: Unicode, Inc. and others. +// License & terms of use: http://www.unicode.org/copyright.html +/* +******************************************************************************* +* Copyright (C) 1996-2016, International Business Machines +* Corporation and others. All Rights Reserved. +******************************************************************************* +*/ + +#include "utypeinfo.h" // for 'typeid' to work + +#include "unicode/utypes.h" + +#if !UCONFIG_NO_FORMATTING + +#include "unicode/ucal.h" +#include "unicode/uloc.h" +#include "unicode/calendar.h" +#include "unicode/timezone.h" +#include "unicode/gregocal.h" +#include "unicode/simpletz.h" +#include "unicode/ustring.h" +#include "unicode/strenum.h" +#include "unicode/localpointer.h" +#include "cmemory.h" +#include "cstring.h" +#include "iso8601cal.h" +#include "ustrenum.h" +#include "uenumimp.h" +#include "ulist.h" +#include "ulocimp.h" + +U_NAMESPACE_USE + +static TimeZone* +_createTimeZone(const char16_t* zoneID, int32_t len, UErrorCode* ec) { + TimeZone* zone = nullptr; + if (ec != nullptr && U_SUCCESS(*ec)) { + // Note that if zoneID is invalid, we get back GMT. This odd + // behavior is by design and goes back to the JDK. The only + // failure we will see is a memory allocation failure. + int32_t l = (len<0 ? u_strlen(zoneID) : len); + UnicodeString zoneStrID; + zoneStrID.setTo((UBool)(len < 0), zoneID, l); /* temporary read-only alias */ + zone = TimeZone::createTimeZone(zoneStrID); + if (zone == nullptr) { + *ec = U_MEMORY_ALLOCATION_ERROR; + } + } + return zone; +} + +U_CAPI UEnumeration* U_EXPORT2 +ucal_openTimeZoneIDEnumeration(USystemTimeZoneType zoneType, const char* region, + const int32_t* rawOffset, UErrorCode* ec) { + return uenum_openFromStringEnumeration(TimeZone::createTimeZoneIDEnumeration( + zoneType, region, rawOffset, *ec), ec); +} + +U_CAPI UEnumeration* U_EXPORT2 +ucal_openTimeZones(UErrorCode* ec) { + return ucal_openTimeZoneIDEnumeration(UCAL_ZONE_TYPE_ANY, nullptr, nullptr, ec); +} + +U_CAPI UEnumeration* U_EXPORT2 +ucal_openCountryTimeZones(const char* country, UErrorCode* ec) { + return ucal_openTimeZoneIDEnumeration(UCAL_ZONE_TYPE_ANY, country, nullptr, ec); +} + +U_CAPI int32_t U_EXPORT2 +ucal_getDefaultTimeZone(char16_t* result, int32_t resultCapacity, UErrorCode* ec) { + int32_t len = 0; + if (ec != nullptr && U_SUCCESS(*ec)) { + TimeZone* zone = TimeZone::createDefault(); + if (zone == nullptr) { + *ec = U_MEMORY_ALLOCATION_ERROR; + } else { + UnicodeString id; + zone->getID(id); + delete zone; + len = id.extract(result, resultCapacity, *ec); + } + } + return len; +} + +U_CAPI void U_EXPORT2 +ucal_setDefaultTimeZone(const char16_t* zoneID, UErrorCode* ec) { + TimeZone* zone = _createTimeZone(zoneID, -1, ec); + if (zone != nullptr) { + TimeZone::adoptDefault(zone); + } +} + +U_CAPI int32_t U_EXPORT2 +ucal_getHostTimeZone(char16_t* result, int32_t resultCapacity, UErrorCode* ec) { + int32_t len = 0; + if (ec != nullptr && U_SUCCESS(*ec)) { + TimeZone *zone = TimeZone::detectHostTimeZone(); + if (zone == nullptr) { + *ec = U_MEMORY_ALLOCATION_ERROR; + } else { + UnicodeString id; + zone->getID(id); + delete zone; + len = id.extract(result, resultCapacity, *ec); + } + } + return len; +} + +U_CAPI int32_t U_EXPORT2 +ucal_getDSTSavings(const char16_t* zoneID, UErrorCode* ec) { + int32_t result = 0; + TimeZone* zone = _createTimeZone(zoneID, -1, ec); + if (U_SUCCESS(*ec)) { + SimpleTimeZone* stz = dynamic_cast<SimpleTimeZone*>(zone); + if (stz != nullptr) { + result = stz->getDSTSavings(); + } else { + // Since there is no getDSTSavings on TimeZone, we use a + // heuristic: Starting with the current time, march + // forwards for one year, looking for DST savings. + // Stepping by weeks is sufficient. + UDate d = Calendar::getNow(); + for (int32_t i=0; i<53; ++i, d+=U_MILLIS_PER_DAY*7.0) { + int32_t raw, dst; + zone->getOffset(d, false, raw, dst, *ec); + if (U_FAILURE(*ec)) { + break; + } else if (dst != 0) { + result = dst; + break; + } + } + } + } + delete zone; + return result; +} + +U_CAPI UDate U_EXPORT2 +ucal_getNow() +{ + + return Calendar::getNow(); +} + +#define ULOC_LOCALE_IDENTIFIER_CAPACITY (ULOC_FULLNAME_CAPACITY + 1 + ULOC_KEYWORD_AND_VALUES_CAPACITY) + +U_CAPI UCalendar* U_EXPORT2 +ucal_open( const char16_t* zoneID, + int32_t len, + const char* locale, + UCalendarType caltype, + UErrorCode* status) +{ + if (U_FAILURE(*status)) { + return nullptr; + } + + LocalPointer<TimeZone> zone( (zoneID==nullptr) ? TimeZone::createDefault() + : _createTimeZone(zoneID, len, status), *status); + + if (U_FAILURE(*status)) { + return nullptr; + } + + if ( caltype == UCAL_GREGORIAN ) { + char localeBuf[ULOC_LOCALE_IDENTIFIER_CAPACITY]; + if ( locale == nullptr ) { + locale = uloc_getDefault(); + } + int32_t localeLength = static_cast<int32_t>(uprv_strlen(locale)); + if (localeLength >= ULOC_LOCALE_IDENTIFIER_CAPACITY) { + *status = U_ILLEGAL_ARGUMENT_ERROR; + return nullptr; + } + uprv_strcpy(localeBuf, locale); + uloc_setKeywordValue("calendar", "gregorian", localeBuf, ULOC_LOCALE_IDENTIFIER_CAPACITY, status); + if (U_FAILURE(*status)) { + return nullptr; + } + return (UCalendar*)Calendar::createInstance(zone.orphan(), Locale(localeBuf), *status); + } + return (UCalendar*)Calendar::createInstance(zone.orphan(), Locale(locale), *status); +} + +U_CAPI void U_EXPORT2 +ucal_close(UCalendar *cal) +{ + if (cal != nullptr) { + delete (Calendar*) cal; + } +} + +U_CAPI UCalendar* U_EXPORT2 +ucal_clone(const UCalendar* cal, + UErrorCode* status) +{ + if(U_FAILURE(*status)) return 0; + + Calendar* res = ((Calendar*)cal)->clone(); + + if(res == 0) { + *status = U_MEMORY_ALLOCATION_ERROR; + return 0; + } + + return (UCalendar*) res; +} + +U_CAPI void U_EXPORT2 +ucal_setTimeZone( UCalendar* cal, + const char16_t* zoneID, + int32_t len, + UErrorCode *status) +{ + + if(U_FAILURE(*status)) + return; + + TimeZone* zone = (zoneID==nullptr) ? TimeZone::createDefault() + : _createTimeZone(zoneID, len, status); + + if (zone != nullptr) { + ((Calendar*)cal)->adoptTimeZone(zone); + } +} + +U_CAPI int32_t U_EXPORT2 +ucal_getTimeZoneID(const UCalendar *cal, + char16_t *result, + int32_t resultLength, + UErrorCode *status) +{ + if (U_FAILURE(*status)) { + return 0; + } + const TimeZone& tz = ((Calendar*)cal)->getTimeZone(); + UnicodeString id; + tz.getID(id); + return id.extract(result, resultLength, *status); +} + +U_CAPI int32_t U_EXPORT2 +ucal_getTimeZoneDisplayName(const UCalendar* cal, + UCalendarDisplayNameType type, + const char *locale, + char16_t* result, + int32_t resultLength, + UErrorCode* status) +{ + + if(U_FAILURE(*status)) return -1; + + const TimeZone& tz = ((Calendar*)cal)->getTimeZone(); + UnicodeString id; + if (!(result == nullptr && resultLength == 0)) { + // Null destination for pure preflighting: empty dummy string + // otherwise, alias the destination buffer + id.setTo(result, 0, resultLength); + } + + switch(type) { + case UCAL_STANDARD: + tz.getDisplayName(false, TimeZone::LONG, Locale(locale), id); + break; + + case UCAL_SHORT_STANDARD: + tz.getDisplayName(false, TimeZone::SHORT, Locale(locale), id); + break; + + case UCAL_DST: + tz.getDisplayName(true, TimeZone::LONG, Locale(locale), id); + break; + + case UCAL_SHORT_DST: + tz.getDisplayName(true, TimeZone::SHORT, Locale(locale), id); + break; + } + + return id.extract(result, resultLength, *status); +} + +U_CAPI UBool U_EXPORT2 +ucal_inDaylightTime( const UCalendar* cal, + UErrorCode* status ) +{ + + if(U_FAILURE(*status)) return (UBool) -1; + return ((Calendar*)cal)->inDaylightTime(*status); +} + +U_CAPI void U_EXPORT2 +ucal_setGregorianChange(UCalendar *cal, UDate date, UErrorCode *pErrorCode) { + if(U_FAILURE(*pErrorCode)) { + return; + } + Calendar *cpp_cal = (Calendar *)cal; + GregorianCalendar *gregocal = dynamic_cast<GregorianCalendar *>(cpp_cal); + // Not if(gregocal == nullptr) { + // because we really want to work only with a GregorianCalendar, not with + // its subclasses like BuddhistCalendar. + if (cpp_cal == nullptr) { + // We normally don't check "this" pointers for nullptr, but this here avoids + // compiler-generated exception-throwing code in case cal == nullptr. + *pErrorCode = U_ILLEGAL_ARGUMENT_ERROR; + return; + } + if(typeid(*cpp_cal) != typeid(GregorianCalendar) && + typeid(*cpp_cal) != typeid(ISO8601Calendar)) { + *pErrorCode = U_UNSUPPORTED_ERROR; + return; + } + gregocal->setGregorianChange(date, *pErrorCode); +} + +U_CAPI UDate U_EXPORT2 +ucal_getGregorianChange(const UCalendar *cal, UErrorCode *pErrorCode) { + if(U_FAILURE(*pErrorCode)) { + return (UDate)0; + } + const Calendar *cpp_cal = (const Calendar *)cal; + const GregorianCalendar *gregocal = dynamic_cast<const GregorianCalendar *>(cpp_cal); + // Not if(gregocal == nullptr) { + // see comments in ucal_setGregorianChange(). + if (cpp_cal == nullptr) { + // We normally don't check "this" pointers for nullptr, but this here avoids + // compiler-generated exception-throwing code in case cal == nullptr. + *pErrorCode = U_ILLEGAL_ARGUMENT_ERROR; + return (UDate)0; + } + if(typeid(*cpp_cal) != typeid(GregorianCalendar) && + typeid(*cpp_cal) != typeid(ISO8601Calendar)) { + *pErrorCode = U_UNSUPPORTED_ERROR; + return (UDate)0; + } + return gregocal->getGregorianChange(); +} + +U_CAPI int32_t U_EXPORT2 +ucal_getAttribute( const UCalendar* cal, + UCalendarAttribute attr) UPRV_NO_SANITIZE_UNDEFINED { + switch(attr) { + case UCAL_LENIENT: + return ((Calendar*)cal)->isLenient(); + + case UCAL_FIRST_DAY_OF_WEEK: + return ((Calendar*)cal)->getFirstDayOfWeek(); + + case UCAL_MINIMAL_DAYS_IN_FIRST_WEEK: + return ((Calendar*)cal)->getMinimalDaysInFirstWeek(); + + case UCAL_REPEATED_WALL_TIME: + return ((Calendar*)cal)->getRepeatedWallTimeOption(); + + case UCAL_SKIPPED_WALL_TIME: + return ((Calendar*)cal)->getSkippedWallTimeOption(); + + default: + break; + } + return -1; +} + +U_CAPI void U_EXPORT2 +ucal_setAttribute( UCalendar* cal, + UCalendarAttribute attr, + int32_t newValue) +{ + + switch(attr) { + case UCAL_LENIENT: + ((Calendar*)cal)->setLenient((UBool)newValue); + break; + + case UCAL_FIRST_DAY_OF_WEEK: + ((Calendar*)cal)->setFirstDayOfWeek((UCalendarDaysOfWeek)newValue); + break; + + case UCAL_MINIMAL_DAYS_IN_FIRST_WEEK: + ((Calendar*)cal)->setMinimalDaysInFirstWeek((uint8_t)newValue); + break; + + case UCAL_REPEATED_WALL_TIME: + ((Calendar*)cal)->setRepeatedWallTimeOption((UCalendarWallTimeOption)newValue); + break; + + case UCAL_SKIPPED_WALL_TIME: + ((Calendar*)cal)->setSkippedWallTimeOption((UCalendarWallTimeOption)newValue); + break; + } +} + +U_CAPI const char* U_EXPORT2 +ucal_getAvailable(int32_t index) +{ + + return uloc_getAvailable(index); +} + +U_CAPI int32_t U_EXPORT2 +ucal_countAvailable() +{ + + return uloc_countAvailable(); +} + +U_CAPI UDate U_EXPORT2 +ucal_getMillis( const UCalendar* cal, + UErrorCode* status) +{ + + if(U_FAILURE(*status)) return (UDate) 0; + + return ((Calendar*)cal)->getTime(*status); +} + +U_CAPI void U_EXPORT2 +ucal_setMillis( UCalendar* cal, + UDate dateTime, + UErrorCode* status ) +{ + if(U_FAILURE(*status)) return; + + ((Calendar*)cal)->setTime(dateTime, *status); +} + +// TBD: why does this take an UErrorCode? +U_CAPI void U_EXPORT2 +ucal_setDate( UCalendar* cal, + int32_t year, + int32_t month, + int32_t date, + UErrorCode *status) +{ + + if(U_FAILURE(*status)) return; + + ((Calendar*)cal)->set(year, month, date); +} + +// TBD: why does this take an UErrorCode? +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) +{ + if(U_FAILURE(*status)) return; + + ((Calendar*)cal)->set(year, month, date, hour, minute, second); +} + +U_CAPI UBool U_EXPORT2 +ucal_equivalentTo( const UCalendar* cal1, + const UCalendar* cal2) +{ + + return ((Calendar*)cal1)->isEquivalentTo(*((Calendar*)cal2)); +} + +U_CAPI void U_EXPORT2 +ucal_add( UCalendar* cal, + UCalendarDateFields field, + int32_t amount, + UErrorCode* status) UPRV_NO_SANITIZE_UNDEFINED { + if(U_FAILURE(*status)) return; + if (field < 0 || UCAL_FIELD_COUNT <= field) { + *status = U_ILLEGAL_ARGUMENT_ERROR; + return; + } + + ((Calendar*)cal)->add(field, amount, *status); +} + +U_CAPI void U_EXPORT2 +ucal_roll( UCalendar* cal, + UCalendarDateFields field, + int32_t amount, + UErrorCode* status) UPRV_NO_SANITIZE_UNDEFINED { + if(U_FAILURE(*status)) return; + if (field < 0 || UCAL_FIELD_COUNT <= field) { + *status = U_ILLEGAL_ARGUMENT_ERROR; + return; + } + + ((Calendar*)cal)->roll(field, amount, *status); +} + +U_CAPI int32_t U_EXPORT2 +ucal_get( const UCalendar* cal, + UCalendarDateFields field, + UErrorCode* status ) UPRV_NO_SANITIZE_UNDEFINED { + if(U_FAILURE(*status)) return -1; + if (field < 0 || UCAL_FIELD_COUNT <= field) { + *status = U_ILLEGAL_ARGUMENT_ERROR; + return -1; + } + + return ((Calendar*)cal)->get(field, *status); +} + +U_CAPI void U_EXPORT2 +ucal_set( UCalendar* cal, + UCalendarDateFields field, + int32_t value) UPRV_NO_SANITIZE_UNDEFINED { + if (field < 0 || UCAL_FIELD_COUNT <= field) { + return; + } + + ((Calendar*)cal)->set(field, value); +} + +U_CAPI UBool U_EXPORT2 +ucal_isSet( const UCalendar* cal, + UCalendarDateFields field) UPRV_NO_SANITIZE_UNDEFINED { + if (field < 0 || UCAL_FIELD_COUNT <= field) { + return false; + } + + return ((Calendar*)cal)->isSet(field); +} + +U_CAPI void U_EXPORT2 +ucal_clearField( UCalendar* cal, + UCalendarDateFields field) UPRV_NO_SANITIZE_UNDEFINED { + if (field < 0 || UCAL_FIELD_COUNT <= field) { + return; + } + + ((Calendar*)cal)->clear(field); +} + +U_CAPI void U_EXPORT2 +ucal_clear(UCalendar* calendar) +{ + + ((Calendar*)calendar)->clear(); +} + +U_CAPI int32_t U_EXPORT2 +ucal_getLimit( const UCalendar* cal, + UCalendarDateFields field, + UCalendarLimitType type, + UErrorCode *status) UPRV_NO_SANITIZE_UNDEFINED { + if(status==0 || U_FAILURE(*status)) { + return -1; + } + if (field < 0 || UCAL_FIELD_COUNT <= field) { + *status = U_ILLEGAL_ARGUMENT_ERROR; + return -1; + } + + switch(type) { + case UCAL_MINIMUM: + return ((Calendar*)cal)->getMinimum(field); + + case UCAL_MAXIMUM: + return ((Calendar*)cal)->getMaximum(field); + + case UCAL_GREATEST_MINIMUM: + return ((Calendar*)cal)->getGreatestMinimum(field); + + case UCAL_LEAST_MAXIMUM: + return ((Calendar*)cal)->getLeastMaximum(field); + + case UCAL_ACTUAL_MINIMUM: + return ((Calendar*)cal)->getActualMinimum(field, + *status); + + case UCAL_ACTUAL_MAXIMUM: + return ((Calendar*)cal)->getActualMaximum(field, + *status); + + default: + break; + } + return -1; +} + +U_CAPI const char * U_EXPORT2 +ucal_getLocaleByType(const UCalendar *cal, ULocDataLocaleType type, UErrorCode* status) +{ + if (cal == nullptr) { + if (U_SUCCESS(*status)) { + *status = U_ILLEGAL_ARGUMENT_ERROR; + } + return nullptr; + } + return ((Calendar*)cal)->getLocaleID(type, *status); +} + +U_CAPI const char * U_EXPORT2 +ucal_getTZDataVersion(UErrorCode* status) +{ + return TimeZone::getTZDataVersion(*status); +} + +U_CAPI int32_t U_EXPORT2 +ucal_getCanonicalTimeZoneID(const char16_t* id, int32_t len, + char16_t* result, int32_t resultCapacity, UBool *isSystemID, UErrorCode* status) { + if(status == 0 || U_FAILURE(*status)) { + return 0; + } + if (isSystemID) { + *isSystemID = false; + } + if (id == 0 || len == 0 || result == 0 || resultCapacity <= 0) { + *status = U_ILLEGAL_ARGUMENT_ERROR; + return 0; + } + int32_t reslen = 0; + UnicodeString canonical; + UBool systemID = false; + TimeZone::getCanonicalID(UnicodeString(id, len), canonical, systemID, *status); + if (U_SUCCESS(*status)) { + if (isSystemID) { + *isSystemID = systemID; + } + reslen = canonical.extract(result, resultCapacity, *status); + } + return reslen; +} + +U_CAPI const char * U_EXPORT2 +ucal_getType(const UCalendar *cal, UErrorCode* status) +{ + if (U_FAILURE(*status)) { + return nullptr; + } + return ((Calendar*)cal)->getType(); +} + +U_CAPI UCalendarWeekdayType U_EXPORT2 +ucal_getDayOfWeekType(const UCalendar *cal, UCalendarDaysOfWeek dayOfWeek, UErrorCode* status) +{ + if (U_FAILURE(*status)) { + return UCAL_WEEKDAY; + } + return ((Calendar*)cal)->getDayOfWeekType(dayOfWeek, *status); +} + +U_CAPI int32_t U_EXPORT2 +ucal_getWeekendTransition(const UCalendar *cal, UCalendarDaysOfWeek dayOfWeek, UErrorCode *status) +{ + if (U_FAILURE(*status)) { + return 0; + } + return ((Calendar*)cal)->getWeekendTransition(dayOfWeek, *status); +} + +U_CAPI UBool U_EXPORT2 +ucal_isWeekend(const UCalendar *cal, UDate date, UErrorCode *status) +{ + if (U_FAILURE(*status)) { + return false; + } + return ((Calendar*)cal)->isWeekend(date, *status); +} + +U_CAPI int32_t U_EXPORT2 +ucal_getFieldDifference(UCalendar* cal, UDate target, + UCalendarDateFields field, + UErrorCode* status ) +{ + if (U_FAILURE(*status)) { + return 0; + } + return ((Calendar*)cal)->fieldDifference(target, field, *status); +} + + +static const UEnumeration defaultKeywordValues = { + nullptr, + nullptr, + ulist_close_keyword_values_iterator, + ulist_count_keyword_values, + uenum_unextDefault, + ulist_next_keyword_value, + ulist_reset_keyword_values_iterator +}; + +static const char * const CAL_TYPES[] = { + "gregorian", + "japanese", + "buddhist", + "roc", + "persian", + "islamic-civil", + "islamic", + "hebrew", + "chinese", + "indian", + "coptic", + "ethiopic", + "ethiopic-amete-alem", + "iso8601", + "dangi", + "islamic-umalqura", + "islamic-tbla", + "islamic-rgsa", + nullptr +}; + +U_CAPI UEnumeration* U_EXPORT2 +ucal_getKeywordValuesForLocale(const char * /* key */, const char* locale, UBool commonlyUsed, UErrorCode *status) { + // Resolve region + char prefRegion[ULOC_COUNTRY_CAPACITY]; + (void)ulocimp_getRegionForSupplementalData(locale, true, prefRegion, sizeof(prefRegion), status); + + // Read preferred calendar values from supplementalData calendarPreference + UResourceBundle *rb = ures_openDirect(nullptr, "supplementalData", status); + ures_getByKey(rb, "calendarPreferenceData", rb, status); + UResourceBundle *order = ures_getByKey(rb, prefRegion, nullptr, status); + if (*status == U_MISSING_RESOURCE_ERROR && rb != nullptr) { + *status = U_ZERO_ERROR; + order = ures_getByKey(rb, "001", nullptr, status); + } + + // Create a list of calendar type strings + UList *values = nullptr; + if (U_SUCCESS(*status)) { + values = ulist_createEmptyList(status); + if (U_SUCCESS(*status)) { + for (int i = 0; i < ures_getSize(order); i++) { + int32_t len; + const char16_t *type = ures_getStringByIndex(order, i, &len, status); + char *caltype = (char*)uprv_malloc(len + 1); + if (caltype == nullptr) { + *status = U_MEMORY_ALLOCATION_ERROR; + break; + } + u_UCharsToChars(type, caltype, len); + *(caltype + len) = 0; + + ulist_addItemEndList(values, caltype, true, status); + if (U_FAILURE(*status)) { + break; + } + } + + if (U_SUCCESS(*status) && !commonlyUsed) { + // If not commonlyUsed, add other available values + for (int32_t i = 0; CAL_TYPES[i] != nullptr; i++) { + if (!ulist_containsString(values, CAL_TYPES[i], (int32_t)uprv_strlen(CAL_TYPES[i]))) { + ulist_addItemEndList(values, CAL_TYPES[i], false, status); + if (U_FAILURE(*status)) { + break; + } + } + } + } + if (U_FAILURE(*status)) { + ulist_deleteList(values); + values = nullptr; + } + } + } + + ures_close(order); + ures_close(rb); + + if (U_FAILURE(*status) || values == nullptr) { + return nullptr; + } + + // Create string enumeration + UEnumeration *en = (UEnumeration*)uprv_malloc(sizeof(UEnumeration)); + if (en == nullptr) { + *status = U_MEMORY_ALLOCATION_ERROR; + ulist_deleteList(values); + return nullptr; + } + ulist_resetList(values); + memcpy(en, &defaultKeywordValues, sizeof(UEnumeration)); + en->context = values; + return en; +} + +U_CAPI UBool U_EXPORT2 +ucal_getTimeZoneTransitionDate(const UCalendar* cal, UTimeZoneTransitionType type, + UDate* transition, UErrorCode* status) +{ + if (U_FAILURE(*status)) { + return false; + } + UDate base = ((Calendar*)cal)->getTime(*status); + const TimeZone& tz = ((Calendar*)cal)->getTimeZone(); + const BasicTimeZone * btz = dynamic_cast<const BasicTimeZone *>(&tz); + if (btz != nullptr && U_SUCCESS(*status)) { + TimeZoneTransition tzt; + UBool inclusive = (type == UCAL_TZ_TRANSITION_NEXT_INCLUSIVE || type == UCAL_TZ_TRANSITION_PREVIOUS_INCLUSIVE); + UBool result = (type == UCAL_TZ_TRANSITION_NEXT || type == UCAL_TZ_TRANSITION_NEXT_INCLUSIVE)? + btz->getNextTransition(base, inclusive, tzt): + btz->getPreviousTransition(base, inclusive, tzt); + if (result) { + *transition = tzt.getTime(); + return true; + } + } + return false; +} + +U_CAPI int32_t U_EXPORT2 +ucal_getWindowsTimeZoneID(const char16_t* id, int32_t len, char16_t* winid, int32_t winidCapacity, UErrorCode* status) { + if (U_FAILURE(*status)) { + return 0; + } + + int32_t resultLen = 0; + UnicodeString resultWinID; + + TimeZone::getWindowsID(UnicodeString(id, len), resultWinID, *status); + if (U_SUCCESS(*status) && resultWinID.length() > 0) { + resultLen = resultWinID.length(); + resultWinID.extract(winid, winidCapacity, *status); + } + + return resultLen; +} + +U_CAPI int32_t U_EXPORT2 +ucal_getTimeZoneIDForWindowsID(const char16_t* winid, int32_t len, const char* region, char16_t* id, int32_t idCapacity, UErrorCode* status) { + if (U_FAILURE(*status)) { + return 0; + } + + int32_t resultLen = 0; + UnicodeString resultID; + + TimeZone::getIDForWindowsID(UnicodeString(winid, len), region, resultID, *status); + if (U_SUCCESS(*status) && resultID.length() > 0) { + resultLen = resultID.length(); + resultID.extract(id, idCapacity, *status); + } + + return resultLen; +} + +U_CAPI void U_EXPORT2 ucal_getTimeZoneOffsetFromLocal( + const UCalendar* cal, + UTimeZoneLocalOption nonExistingTimeOpt, + UTimeZoneLocalOption duplicatedTimeOpt, + int32_t* rawOffset, int32_t* dstOffset, UErrorCode* status) +{ + if (U_FAILURE(*status)) { + return; + } + UDate date = ((Calendar*)cal)->getTime(*status); + if (U_FAILURE(*status)) { + return; + } + const TimeZone& tz = ((Calendar*)cal)->getTimeZone(); + const BasicTimeZone* btz = dynamic_cast<const BasicTimeZone *>(&tz); + if (btz == nullptr) { + *status = U_ILLEGAL_ARGUMENT_ERROR; + return; + } + btz->getOffsetFromLocal( + date, nonExistingTimeOpt, duplicatedTimeOpt, + *rawOffset, *dstOffset, *status); +} + +#endif /* #if !UCONFIG_NO_FORMATTING */ |