int32_t JapaneseCalendar::getDefaultDayInMonth(int32_t eyear, int32_t month)
{
int32_t era = internalGetEra();
int32_t day = 1;
if(eyear == kEraInfo[era].year) {
if(month == (kEraInfo[era].month-1)) {
return kEraInfo[era].day;
}
}
return day;
}
int32_t JapaneseCalendar::handleGetExtendedYear()
{
int32_t year;
if (newerField(UCAL_EXTENDED_YEAR, UCAL_YEAR) == UCAL_EXTENDED_YEAR &&
newerField(UCAL_EXTENDED_YEAR, UCAL_ERA) == UCAL_EXTENDED_YEAR) {
year = internalGet(UCAL_EXTENDED_YEAR, 1);
} else {
// Subtract one because year starts at 1
year = internalGet(UCAL_YEAR) + kEraInfo[internalGetEra()].year - 1;
}
return year;
}
int32_t JapaneseCalendar::handleGetExtendedYear()
{
// EXTENDED_YEAR in JapaneseCalendar is a Gregorian year
// The default value of EXTENDED_YEAR is 1970 (Showa 45)
int32_t year;
if (newerField(UCAL_EXTENDED_YEAR, UCAL_YEAR) == UCAL_EXTENDED_YEAR &&
newerField(UCAL_EXTENDED_YEAR, UCAL_ERA) == UCAL_EXTENDED_YEAR) {
year = internalGet(UCAL_EXTENDED_YEAR, kGregorianEpoch);
} else {
// Subtract one because year starts at 1
year = internalGet(UCAL_YEAR) + kEraInfo[internalGetEra()].year - 1;
}
return year;
}
int32_t JapaneseCalendar::getDefaultDayInMonth(int32_t month)
{
UErrorCode status = U_ZERO_ERROR;
int32_t era = internalGetEra();
computeFields(status); // slow
int32_t year = getGregorianYear();
int32_t day = GregorianCalendar::getDefaultDayInMonth(month);
if(year == kEraInfo[era].year) {
if(month == (kEraInfo[era].month-1)) {
return kEraInfo[era].day;
}
}
return day;
}
int32_t JapaneseCalendar::getDefaultMonthInYear(int32_t eyear)
{
int32_t era = internalGetEra();
// TODO do we assume we can trust 'era'? What if it is denormalized?
int32_t month = 0;
// Find out if we are at the edge of an era
if(eyear == kEraInfo[era].year) {
// Yes, we're in the first year of this era.
return kEraInfo[era].month-1;
}
return month;
}
int32_t JapaneseCalendar::getDefaultMonthInYear()
{
UErrorCode status = U_ZERO_ERROR;
int32_t era = internalGetEra();
computeFields(status); // slow
int32_t year = getGregorianYear();
// TODO do we assume we can trust 'era'? What if it is denormalized?
int32_t month = GregorianCalendar::getDefaultMonthInYear();
// Find out if we are at the edge of an era
if(year == kEraInfo[era].year) {
// Yes, we're in the first year of this era.
return kEraInfo[era].month-1;
}
return month;
}
void BuddhistCalendar::add(UCalendarDateFields field, int32_t amount, UErrorCode& status)
{
if (U_FAILURE(status))
return;
if (amount == 0)
return; // Do nothing!
if(field == UCAL_YEAR /* || field == UCAL_YEAR_WOY */) {
int32_t year = internalGet(field);
int32_t era = internalGetEra();
year += amount;
set(field,year);
pinDayOfMonth();
} else {
GregorianCalendar::add(field,amount,status);
}
}
