856 lines
24 KiB
C++
856 lines
24 KiB
C++
// © 2016 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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/*
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*******************************************************************************
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* Copyright (C) 1996-2016, International Business Machines
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* Corporation and others. All Rights Reserved.
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*******************************************************************************
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*/
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#include "utypeinfo.h" // for 'typeid' to work
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_FORMATTING
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#include "unicode/ucal.h"
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#include "unicode/uloc.h"
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#include "unicode/calendar.h"
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#include "unicode/timezone.h"
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#include "unicode/gregocal.h"
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#include "unicode/simpletz.h"
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#include "unicode/ustring.h"
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#include "unicode/strenum.h"
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#include "unicode/localpointer.h"
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#include "cmemory.h"
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#include "cstring.h"
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#include "ustrenum.h"
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#include "uenumimp.h"
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#include "ulist.h"
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#include "ulocimp.h"
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U_NAMESPACE_USE
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static TimeZone*
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_createTimeZone(const UChar* zoneID, int32_t len, UErrorCode* ec) {
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TimeZone* zone = nullptr;
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if (ec != nullptr && U_SUCCESS(*ec)) {
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// Note that if zoneID is invalid, we get back GMT. This odd
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// behavior is by design and goes back to the JDK. The only
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// failure we will see is a memory allocation failure.
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int32_t l = (len<0 ? u_strlen(zoneID) : len);
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UnicodeString zoneStrID;
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zoneStrID.setTo((UBool)(len < 0), zoneID, l); /* temporary read-only alias */
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zone = TimeZone::createTimeZone(zoneStrID);
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if (zone == nullptr) {
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*ec = U_MEMORY_ALLOCATION_ERROR;
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}
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}
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return zone;
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}
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U_CAPI UEnumeration* U_EXPORT2
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ucal_openTimeZoneIDEnumeration(USystemTimeZoneType zoneType, const char* region,
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const int32_t* rawOffset, UErrorCode* ec) {
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return uenum_openFromStringEnumeration(TimeZone::createTimeZoneIDEnumeration(
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zoneType, region, rawOffset, *ec), ec);
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}
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U_CAPI UEnumeration* U_EXPORT2
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ucal_openTimeZones(UErrorCode* ec) {
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return ucal_openTimeZoneIDEnumeration(UCAL_ZONE_TYPE_ANY, nullptr, nullptr, ec);
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}
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U_CAPI UEnumeration* U_EXPORT2
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ucal_openCountryTimeZones(const char* country, UErrorCode* ec) {
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return ucal_openTimeZoneIDEnumeration(UCAL_ZONE_TYPE_ANY, country, nullptr, ec);
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}
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U_CAPI int32_t U_EXPORT2
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ucal_getDefaultTimeZone(UChar* result, int32_t resultCapacity, UErrorCode* ec) {
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int32_t len = 0;
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if (ec != nullptr && U_SUCCESS(*ec)) {
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TimeZone* zone = TimeZone::createDefault();
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if (zone == nullptr) {
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*ec = U_MEMORY_ALLOCATION_ERROR;
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} else {
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UnicodeString id;
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zone->getID(id);
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delete zone;
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len = id.extract(result, resultCapacity, *ec);
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}
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}
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return len;
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}
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U_CAPI void U_EXPORT2
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ucal_setDefaultTimeZone(const UChar* zoneID, UErrorCode* ec) {
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TimeZone* zone = _createTimeZone(zoneID, -1, ec);
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if (zone != nullptr) {
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TimeZone::adoptDefault(zone);
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}
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}
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U_CAPI int32_t U_EXPORT2
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ucal_getHostTimeZone(UChar* result, int32_t resultCapacity, UErrorCode* ec) {
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int32_t len = 0;
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if (ec != nullptr && U_SUCCESS(*ec)) {
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TimeZone *zone = TimeZone::detectHostTimeZone();
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if (zone == nullptr) {
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*ec = U_MEMORY_ALLOCATION_ERROR;
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} else {
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UnicodeString id;
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zone->getID(id);
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delete zone;
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len = id.extract(result, resultCapacity, *ec);
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}
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}
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return len;
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}
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U_CAPI int32_t U_EXPORT2
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ucal_getDSTSavings(const UChar* zoneID, UErrorCode* ec) {
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int32_t result = 0;
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TimeZone* zone = _createTimeZone(zoneID, -1, ec);
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if (U_SUCCESS(*ec)) {
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SimpleTimeZone* stz = dynamic_cast<SimpleTimeZone*>(zone);
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if (stz != nullptr) {
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result = stz->getDSTSavings();
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} else {
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// Since there is no getDSTSavings on TimeZone, we use a
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// heuristic: Starting with the current time, march
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// forwards for one year, looking for DST savings.
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// Stepping by weeks is sufficient.
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UDate d = Calendar::getNow();
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for (int32_t i=0; i<53; ++i, d+=U_MILLIS_PER_DAY*7.0) {
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int32_t raw, dst;
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zone->getOffset(d, FALSE, raw, dst, *ec);
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if (U_FAILURE(*ec)) {
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break;
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} else if (dst != 0) {
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result = dst;
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break;
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}
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}
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}
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}
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delete zone;
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return result;
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}
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U_CAPI UDate U_EXPORT2
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ucal_getNow()
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{
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return Calendar::getNow();
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}
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#define ULOC_LOCALE_IDENTIFIER_CAPACITY (ULOC_FULLNAME_CAPACITY + 1 + ULOC_KEYWORD_AND_VALUES_CAPACITY)
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U_CAPI UCalendar* U_EXPORT2
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ucal_open( const UChar* zoneID,
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int32_t len,
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const char* locale,
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UCalendarType caltype,
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UErrorCode* status)
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{
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if (U_FAILURE(*status)) {
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return nullptr;
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}
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LocalPointer<TimeZone> zone( (zoneID==nullptr) ? TimeZone::createDefault()
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: _createTimeZone(zoneID, len, status), *status);
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if (U_FAILURE(*status)) {
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return nullptr;
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}
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if ( caltype == UCAL_GREGORIAN ) {
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char localeBuf[ULOC_LOCALE_IDENTIFIER_CAPACITY];
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if ( locale == nullptr ) {
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locale = uloc_getDefault();
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}
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int32_t localeLength = static_cast<int32_t>(uprv_strlen(locale));
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if (localeLength >= ULOC_LOCALE_IDENTIFIER_CAPACITY) {
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*status = U_ILLEGAL_ARGUMENT_ERROR;
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return nullptr;
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}
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uprv_strcpy(localeBuf, locale);
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uloc_setKeywordValue("calendar", "gregorian", localeBuf, ULOC_LOCALE_IDENTIFIER_CAPACITY, status);
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if (U_FAILURE(*status)) {
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return nullptr;
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}
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return (UCalendar*)Calendar::createInstance(zone.orphan(), Locale(localeBuf), *status);
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}
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return (UCalendar*)Calendar::createInstance(zone.orphan(), Locale(locale), *status);
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}
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U_CAPI void U_EXPORT2
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ucal_close(UCalendar *cal)
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{
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if (cal != nullptr) {
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delete (Calendar*) cal;
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}
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}
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U_CAPI UCalendar* U_EXPORT2
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ucal_clone(const UCalendar* cal,
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UErrorCode* status)
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{
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if(U_FAILURE(*status)) return 0;
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Calendar* res = ((Calendar*)cal)->clone();
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if(res == 0) {
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*status = U_MEMORY_ALLOCATION_ERROR;
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return 0;
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}
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return (UCalendar*) res;
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}
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U_CAPI void U_EXPORT2
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ucal_setTimeZone( UCalendar* cal,
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const UChar* zoneID,
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int32_t len,
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UErrorCode *status)
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{
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if(U_FAILURE(*status))
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return;
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TimeZone* zone = (zoneID==nullptr) ? TimeZone::createDefault()
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: _createTimeZone(zoneID, len, status);
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if (zone != nullptr) {
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((Calendar*)cal)->adoptTimeZone(zone);
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}
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}
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U_CAPI int32_t U_EXPORT2
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ucal_getTimeZoneID(const UCalendar *cal,
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UChar *result,
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int32_t resultLength,
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UErrorCode *status)
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{
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if (U_FAILURE(*status)) {
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return 0;
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}
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const TimeZone& tz = ((Calendar*)cal)->getTimeZone();
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UnicodeString id;
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tz.getID(id);
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return id.extract(result, resultLength, *status);
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}
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U_CAPI int32_t U_EXPORT2
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ucal_getTimeZoneDisplayName(const UCalendar* cal,
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UCalendarDisplayNameType type,
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const char *locale,
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UChar* result,
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int32_t resultLength,
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UErrorCode* status)
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{
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if(U_FAILURE(*status)) return -1;
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const TimeZone& tz = ((Calendar*)cal)->getTimeZone();
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UnicodeString id;
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if (!(result == nullptr && resultLength == 0)) {
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// Null destination for pure preflighting: empty dummy string
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// otherwise, alias the destination buffer
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id.setTo(result, 0, resultLength);
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}
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switch(type) {
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case UCAL_STANDARD:
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tz.getDisplayName(FALSE, TimeZone::LONG, Locale(locale), id);
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break;
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case UCAL_SHORT_STANDARD:
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tz.getDisplayName(FALSE, TimeZone::SHORT, Locale(locale), id);
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break;
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case UCAL_DST:
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tz.getDisplayName(TRUE, TimeZone::LONG, Locale(locale), id);
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break;
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case UCAL_SHORT_DST:
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tz.getDisplayName(TRUE, TimeZone::SHORT, Locale(locale), id);
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break;
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}
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return id.extract(result, resultLength, *status);
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}
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U_CAPI UBool U_EXPORT2
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ucal_inDaylightTime( const UCalendar* cal,
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UErrorCode* status )
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{
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if(U_FAILURE(*status)) return (UBool) -1;
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return ((Calendar*)cal)->inDaylightTime(*status);
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}
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U_CAPI void U_EXPORT2
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ucal_setGregorianChange(UCalendar *cal, UDate date, UErrorCode *pErrorCode) {
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if(U_FAILURE(*pErrorCode)) {
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return;
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}
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Calendar *cpp_cal = (Calendar *)cal;
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GregorianCalendar *gregocal = dynamic_cast<GregorianCalendar *>(cpp_cal);
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// Not if(gregocal == nullptr) {
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// because we really want to work only with a GregorianCalendar, not with
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// its subclasses like BuddhistCalendar.
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if (cpp_cal == nullptr) {
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// We normally don't check "this" pointers for nullptr, but this here avoids
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// compiler-generated exception-throwing code in case cal == nullptr.
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*pErrorCode = U_ILLEGAL_ARGUMENT_ERROR;
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return;
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}
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if(typeid(*cpp_cal) != typeid(GregorianCalendar)) {
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*pErrorCode = U_UNSUPPORTED_ERROR;
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return;
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}
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gregocal->setGregorianChange(date, *pErrorCode);
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}
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U_CAPI UDate U_EXPORT2
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ucal_getGregorianChange(const UCalendar *cal, UErrorCode *pErrorCode) {
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if(U_FAILURE(*pErrorCode)) {
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return (UDate)0;
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}
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const Calendar *cpp_cal = (const Calendar *)cal;
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const GregorianCalendar *gregocal = dynamic_cast<const GregorianCalendar *>(cpp_cal);
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// Not if(gregocal == nullptr) {
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// see comments in ucal_setGregorianChange().
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if (cpp_cal == nullptr) {
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// We normally don't check "this" pointers for nullptr, but this here avoids
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// compiler-generated exception-throwing code in case cal == nullptr.
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*pErrorCode = U_ILLEGAL_ARGUMENT_ERROR;
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return (UDate)0;
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}
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if(typeid(*cpp_cal) != typeid(GregorianCalendar)) {
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*pErrorCode = U_UNSUPPORTED_ERROR;
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return (UDate)0;
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}
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return gregocal->getGregorianChange();
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}
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U_CAPI int32_t U_EXPORT2
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ucal_getAttribute( const UCalendar* cal,
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UCalendarAttribute attr)
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{
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switch(attr) {
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case UCAL_LENIENT:
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return ((Calendar*)cal)->isLenient();
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case UCAL_FIRST_DAY_OF_WEEK:
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return ((Calendar*)cal)->getFirstDayOfWeek();
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case UCAL_MINIMAL_DAYS_IN_FIRST_WEEK:
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return ((Calendar*)cal)->getMinimalDaysInFirstWeek();
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case UCAL_REPEATED_WALL_TIME:
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return ((Calendar*)cal)->getRepeatedWallTimeOption();
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case UCAL_SKIPPED_WALL_TIME:
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return ((Calendar*)cal)->getSkippedWallTimeOption();
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default:
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break;
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}
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return -1;
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}
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U_CAPI void U_EXPORT2
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ucal_setAttribute( UCalendar* cal,
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UCalendarAttribute attr,
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int32_t newValue)
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{
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switch(attr) {
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case UCAL_LENIENT:
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((Calendar*)cal)->setLenient((UBool)newValue);
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break;
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case UCAL_FIRST_DAY_OF_WEEK:
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((Calendar*)cal)->setFirstDayOfWeek((UCalendarDaysOfWeek)newValue);
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break;
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case UCAL_MINIMAL_DAYS_IN_FIRST_WEEK:
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((Calendar*)cal)->setMinimalDaysInFirstWeek((uint8_t)newValue);
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break;
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case UCAL_REPEATED_WALL_TIME:
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((Calendar*)cal)->setRepeatedWallTimeOption((UCalendarWallTimeOption)newValue);
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break;
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case UCAL_SKIPPED_WALL_TIME:
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((Calendar*)cal)->setSkippedWallTimeOption((UCalendarWallTimeOption)newValue);
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break;
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}
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}
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U_CAPI const char* U_EXPORT2
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ucal_getAvailable(int32_t index)
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{
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return uloc_getAvailable(index);
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}
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U_CAPI int32_t U_EXPORT2
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ucal_countAvailable()
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{
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return uloc_countAvailable();
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}
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U_CAPI UDate U_EXPORT2
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ucal_getMillis( const UCalendar* cal,
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UErrorCode* status)
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{
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if(U_FAILURE(*status)) return (UDate) 0;
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return ((Calendar*)cal)->getTime(*status);
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}
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U_CAPI void U_EXPORT2
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ucal_setMillis( UCalendar* cal,
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UDate dateTime,
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UErrorCode* status )
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{
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if(U_FAILURE(*status)) return;
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((Calendar*)cal)->setTime(dateTime, *status);
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}
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// TBD: why does this take an UErrorCode?
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U_CAPI void U_EXPORT2
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ucal_setDate( UCalendar* cal,
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int32_t year,
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int32_t month,
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int32_t date,
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UErrorCode *status)
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{
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if(U_FAILURE(*status)) return;
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((Calendar*)cal)->set(year, month, date);
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}
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// TBD: why does this take an UErrorCode?
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U_CAPI void U_EXPORT2
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ucal_setDateTime( UCalendar* cal,
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int32_t year,
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int32_t month,
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int32_t date,
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int32_t hour,
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int32_t minute,
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int32_t second,
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UErrorCode *status)
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{
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if(U_FAILURE(*status)) return;
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((Calendar*)cal)->set(year, month, date, hour, minute, second);
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}
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U_CAPI UBool U_EXPORT2
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ucal_equivalentTo( const UCalendar* cal1,
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const UCalendar* cal2)
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{
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return ((Calendar*)cal1)->isEquivalentTo(*((Calendar*)cal2));
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}
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U_CAPI void U_EXPORT2
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ucal_add( UCalendar* cal,
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UCalendarDateFields field,
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int32_t amount,
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UErrorCode* status)
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{
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if(U_FAILURE(*status)) return;
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((Calendar*)cal)->add(field, amount, *status);
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}
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U_CAPI void U_EXPORT2
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ucal_roll( UCalendar* cal,
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UCalendarDateFields field,
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int32_t amount,
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UErrorCode* status)
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{
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if(U_FAILURE(*status)) return;
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((Calendar*)cal)->roll(field, amount, *status);
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}
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U_CAPI int32_t U_EXPORT2
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ucal_get( const UCalendar* cal,
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UCalendarDateFields field,
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UErrorCode* status )
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{
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if(U_FAILURE(*status)) return -1;
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return ((Calendar*)cal)->get(field, *status);
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}
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U_CAPI void U_EXPORT2
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ucal_set( UCalendar* cal,
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UCalendarDateFields field,
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int32_t value)
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{
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((Calendar*)cal)->set(field, value);
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}
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U_CAPI UBool U_EXPORT2
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ucal_isSet( const UCalendar* cal,
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UCalendarDateFields field)
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{
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return ((Calendar*)cal)->isSet(field);
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}
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U_CAPI void U_EXPORT2
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ucal_clearField( UCalendar* cal,
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UCalendarDateFields field)
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{
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((Calendar*)cal)->clear(field);
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}
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U_CAPI void U_EXPORT2
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ucal_clear(UCalendar* calendar)
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{
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((Calendar*)calendar)->clear();
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}
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U_CAPI int32_t U_EXPORT2
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ucal_getLimit( const UCalendar* cal,
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UCalendarDateFields field,
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UCalendarLimitType type,
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UErrorCode *status)
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{
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if(status==0 || U_FAILURE(*status)) {
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return -1;
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}
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switch(type) {
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case UCAL_MINIMUM:
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return ((Calendar*)cal)->getMinimum(field);
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|
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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 UChar* id, int32_t len,
|
|
UChar* 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 UChar *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 UChar* id, int32_t len, UChar* 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 UChar* winid, int32_t len, const char* region, UChar* 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 */
|