2007-06-29 16:56:34 +00:00
|
|
|
/*
|
2007-07-27 03:12:12 +00:00
|
|
|
*******************************************************************************
|
2013-05-31 23:50:15 +00:00
|
|
|
* Copyright (C) 2003-2013, International Business Machines Corporation and *
|
2007-07-27 03:12:12 +00:00
|
|
|
* others. All Rights Reserved. *
|
|
|
|
*******************************************************************************
|
|
|
|
*
|
|
|
|
* File TAIWNCAL.CPP
|
|
|
|
*
|
|
|
|
* Modification History:
|
|
|
|
* 05/13/2003 srl copied from gregocal.cpp
|
|
|
|
* 06/29/2007 srl copied from buddhcal.cpp
|
2008-05-16 15:01:02 +00:00
|
|
|
* 05/12/2008 jce modified to use calendar=roc per CLDR
|
2007-07-27 03:12:12 +00:00
|
|
|
*
|
|
|
|
*/
|
2007-06-29 16:56:34 +00:00
|
|
|
|
|
|
|
#include "unicode/utypes.h"
|
|
|
|
|
|
|
|
#if !UCONFIG_NO_FORMATTING
|
|
|
|
|
|
|
|
#include "taiwncal.h"
|
|
|
|
#include "unicode/gregocal.h"
|
|
|
|
#include "umutex.h"
|
|
|
|
#include <float.h>
|
|
|
|
|
|
|
|
U_NAMESPACE_BEGIN
|
|
|
|
|
|
|
|
UOBJECT_DEFINE_RTTI_IMPLEMENTATION(TaiwanCalendar)
|
|
|
|
|
|
|
|
static const int32_t kTaiwanEraStart = 1911; // 1911 (Gregorian)
|
|
|
|
|
|
|
|
static const int32_t kGregorianEpoch = 1970;
|
|
|
|
|
|
|
|
TaiwanCalendar::TaiwanCalendar(const Locale& aLocale, UErrorCode& success)
|
|
|
|
: GregorianCalendar(aLocale, success)
|
|
|
|
{
|
|
|
|
setTimeInMillis(getNow(), success); // Call this again now that the vtable is set up properly.
|
|
|
|
}
|
|
|
|
|
|
|
|
TaiwanCalendar::~TaiwanCalendar()
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
TaiwanCalendar::TaiwanCalendar(const TaiwanCalendar& source)
|
|
|
|
: GregorianCalendar(source)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
TaiwanCalendar& TaiwanCalendar::operator= ( const TaiwanCalendar& right)
|
|
|
|
{
|
|
|
|
GregorianCalendar::operator=(right);
|
|
|
|
return *this;
|
|
|
|
}
|
|
|
|
|
|
|
|
Calendar* TaiwanCalendar::clone(void) const
|
|
|
|
{
|
|
|
|
return new TaiwanCalendar(*this);
|
|
|
|
}
|
|
|
|
|
|
|
|
const char *TaiwanCalendar::getType() const
|
|
|
|
{
|
2008-05-16 15:01:02 +00:00
|
|
|
return "roc";
|
2007-06-29 16:56:34 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
int32_t TaiwanCalendar::handleGetExtendedYear()
|
|
|
|
{
|
2007-08-16 22:10:16 +00:00
|
|
|
// EXTENDED_YEAR in TaiwanCalendar is a Gregorian year
|
|
|
|
// The default value of EXTENDED_YEAR is 1970 (Minguo 59)
|
|
|
|
int32_t year = kGregorianEpoch;
|
|
|
|
|
|
|
|
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);
|
2007-06-29 16:56:34 +00:00
|
|
|
} else {
|
2007-08-17 03:38:53 +00:00
|
|
|
int32_t era = internalGet(UCAL_ERA, MINGUO);
|
2007-08-16 18:40:18 +00:00
|
|
|
if(era == MINGUO) {
|
2007-08-16 22:10:16 +00:00
|
|
|
year = internalGet(UCAL_YEAR, 1) + kTaiwanEraStart;
|
2007-08-16 18:40:18 +00:00
|
|
|
} else if(era == BEFORE_MINGUO) {
|
2007-08-16 22:10:16 +00:00
|
|
|
year = 1 - internalGet(UCAL_YEAR, 1) + kTaiwanEraStart;
|
2007-08-16 18:40:18 +00:00
|
|
|
}
|
2007-06-29 16:56:34 +00:00
|
|
|
}
|
|
|
|
return year;
|
|
|
|
}
|
|
|
|
|
|
|
|
void TaiwanCalendar::handleComputeFields(int32_t julianDay, UErrorCode& status)
|
|
|
|
{
|
|
|
|
GregorianCalendar::handleComputeFields(julianDay, status);
|
|
|
|
int32_t y = internalGet(UCAL_EXTENDED_YEAR) - kTaiwanEraStart;
|
2007-08-16 18:40:18 +00:00
|
|
|
if(y>0) {
|
|
|
|
internalSet(UCAL_ERA, MINGUO);
|
|
|
|
internalSet(UCAL_YEAR, y);
|
|
|
|
} else {
|
|
|
|
internalSet(UCAL_ERA, BEFORE_MINGUO);
|
|
|
|
internalSet(UCAL_YEAR, 1-y);
|
|
|
|
}
|
2007-06-29 16:56:34 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
int32_t TaiwanCalendar::handleGetLimit(UCalendarDateFields field, ELimitType limitType) const
|
|
|
|
{
|
|
|
|
if(field == UCAL_ERA) {
|
2007-08-16 18:40:18 +00:00
|
|
|
if(limitType == UCAL_LIMIT_MINIMUM || limitType == UCAL_LIMIT_GREATEST_MINIMUM) {
|
|
|
|
return BEFORE_MINGUO;
|
|
|
|
} else {
|
|
|
|
return MINGUO;
|
|
|
|
}
|
2007-06-29 16:56:34 +00:00
|
|
|
} else {
|
|
|
|
return GregorianCalendar::handleGetLimit(field,limitType);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
#if 0
|
|
|
|
void TaiwanCalendar::timeToFields(UDate theTime, UBool quick, UErrorCode& status)
|
|
|
|
{
|
|
|
|
//Calendar::timeToFields(theTime, quick, status);
|
|
|
|
|
|
|
|
int32_t era = internalGet(UCAL_ERA);
|
|
|
|
int32_t year = internalGet(UCAL_YEAR);
|
|
|
|
|
|
|
|
if(era == GregorianCalendar::BC) {
|
|
|
|
year = 1-year;
|
|
|
|
era = TaiwanCalendar::MINGUO;
|
|
|
|
} else if(era == GregorianCalendar::AD) {
|
|
|
|
era = TaiwanCalendar::MINGUO;
|
|
|
|
} else {
|
|
|
|
status = U_INTERNAL_PROGRAM_ERROR;
|
|
|
|
}
|
|
|
|
|
|
|
|
year = year - kTaiwanEraStart;
|
|
|
|
|
|
|
|
internalSet(UCAL_ERA, era);
|
|
|
|
internalSet(UCAL_YEAR, year);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2013-05-31 23:50:15 +00:00
|
|
|
/**
|
|
|
|
* The system maintains a static default century start date and Year. They are
|
|
|
|
* initialized the first time they are used. Once the system default century date
|
|
|
|
* and year are set, they do not change.
|
|
|
|
*/
|
|
|
|
static UDate gSystemDefaultCenturyStart = DBL_MIN;
|
|
|
|
static int32_t gSystemDefaultCenturyStartYear = -1;
|
|
|
|
static UInitOnce gSystemDefaultCenturyInit = U_INITONCE_INITIALIZER;
|
2007-06-29 16:56:34 +00:00
|
|
|
|
|
|
|
UBool TaiwanCalendar::haveDefaultCentury() const
|
|
|
|
{
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
2013-05-31 23:50:15 +00:00
|
|
|
static void U_CALLCONV initializeSystemDefaultCentury()
|
2007-06-29 16:56:34 +00:00
|
|
|
{
|
|
|
|
// initialize systemDefaultCentury and systemDefaultCenturyYear based
|
|
|
|
// on the current time. They'll be set to 80 years before
|
|
|
|
// the current time.
|
2008-08-05 22:19:05 +00:00
|
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
|
|
TaiwanCalendar calendar(Locale("@calendar=roc"),status);
|
|
|
|
if (U_SUCCESS(status))
|
2007-06-29 16:56:34 +00:00
|
|
|
{
|
2008-08-05 22:19:05 +00:00
|
|
|
calendar.setTime(Calendar::getNow(), status);
|
|
|
|
calendar.add(UCAL_YEAR, -80, status);
|
2013-05-31 23:50:15 +00:00
|
|
|
|
|
|
|
gSystemDefaultCenturyStart = calendar.getTime(status);
|
|
|
|
gSystemDefaultCenturyStartYear = calendar.get(UCAL_YEAR, status);
|
2007-06-29 16:56:34 +00:00
|
|
|
}
|
2008-08-05 22:19:05 +00:00
|
|
|
// We have no recourse upon failure unless we want to propagate the failure
|
|
|
|
// out.
|
2007-06-29 16:56:34 +00:00
|
|
|
}
|
|
|
|
|
2013-05-31 23:50:15 +00:00
|
|
|
UDate TaiwanCalendar::defaultCenturyStart() const {
|
|
|
|
// lazy-evaluate systemDefaultCenturyStart
|
|
|
|
umtx_initOnce(gSystemDefaultCenturyInit, &initializeSystemDefaultCentury);
|
|
|
|
return gSystemDefaultCenturyStart;
|
|
|
|
}
|
|
|
|
|
|
|
|
int32_t TaiwanCalendar::defaultCenturyStartYear() const {
|
|
|
|
// lazy-evaluate systemDefaultCenturyStartYear
|
|
|
|
umtx_initOnce(gSystemDefaultCenturyInit, &initializeSystemDefaultCentury);
|
|
|
|
return gSystemDefaultCenturyStartYear;
|
|
|
|
}
|
2007-06-29 16:56:34 +00:00
|
|
|
|
|
|
|
U_NAMESPACE_END
|
|
|
|
|
|
|
|
#endif
|