455 lines
11 KiB
C++
455 lines
11 KiB
C++
/*
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*******************************************************************************
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* Copyright (C) 1996-2003, 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 "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/simpletz.h"
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#include "unicode/ustring.h"
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#include "unicode/strenum.h"
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#include "cmemory.h"
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#include "ustrenum.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 = NULL;
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if (ec!=NULL && 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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zone = TimeZone::createTimeZone(UnicodeString(zoneID, l));
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if (zone == NULL) {
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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_openTimeZones(UErrorCode* ec) {
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return uenum_openStringEnumeration(TimeZone::createEnumeration(), 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 uenum_openStringEnumeration(TimeZone::createEnumeration(country), 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!=NULL && U_SUCCESS(*ec)) {
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TimeZone* zone = TimeZone::createDefault();
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if (zone == NULL) {
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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 != NULL) {
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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_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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zone->getDynamicClassID() == SimpleTimeZone::getStaticClassID()) {
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result = ((SimpleTimeZone*) zone)->getDSTSavings();
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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 const UChar* U_EXPORT2
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ucal_getAvailableTZIDs( int32_t rawOffset,
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int32_t index,
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UErrorCode* status)
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{
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if(U_FAILURE(*status)) return 0;
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int32_t count = 0;
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const UChar *retVal = 0;
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const UnicodeString** tzs = TimeZone::createAvailableIDs(rawOffset,
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count);
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if(tzs == 0) {
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*status = U_MEMORY_ALLOCATION_ERROR;
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return 0;
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}
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if(index < count)
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retVal = tzs[index]->getBuffer();
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else
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*status = U_INDEX_OUTOFBOUNDS_ERROR;
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uprv_free(tzs);
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return retVal;
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}
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U_CAPI int32_t U_EXPORT2
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ucal_countAvailableTZIDs(int32_t rawOffset)
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{
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int32_t count = 0;
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const UnicodeString** tzs = TimeZone::createAvailableIDs(rawOffset,
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count);
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if(tzs == 0) {
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// TBD: U_MEMORY_ALLOCATION_ERROR
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return 0;
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}
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uprv_free(tzs);
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return count;
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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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// ignore type until we add more subclasses
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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 /*type*/,
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UErrorCode* status)
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{
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if(U_FAILURE(*status)) return 0;
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TimeZone* zone = (zoneID==NULL) ? TimeZone::createDefault()
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: _createTimeZone(zoneID, len, status);
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if (U_FAILURE(*status)) {
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return NULL;
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}
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return (UCalendar*)Calendar::createInstance(zone, 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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delete (Calendar*) cal;
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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==NULL) ? TimeZone::createDefault()
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: _createTimeZone(zoneID, len, status);
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if (zone != NULL) {
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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_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==NULL && 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 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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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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}
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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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case UCAL_MAXIMUM:
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return ((Calendar*)cal)->getMaximum(field);
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case UCAL_GREATEST_MINIMUM:
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return ((Calendar*)cal)->getGreatestMinimum(field);
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case UCAL_LEAST_MAXIMUM:
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return ((Calendar*)cal)->getLeastMaximum(field);
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case UCAL_ACTUAL_MINIMUM:
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return ((Calendar*)cal)->getActualMinimum(field,
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*status);
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case UCAL_ACTUAL_MAXIMUM:
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return ((Calendar*)cal)->getActualMaximum(field,
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*status);
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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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#endif /* #if !UCONFIG_NO_FORMATTING */
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