Index: icu46/source/i18n/taiwncal.cpp |
=================================================================== |
--- icu46/source/i18n/taiwncal.cpp (revision 0) |
+++ icu46/source/i18n/taiwncal.cpp (revision 0) |
@@ -0,0 +1,220 @@ |
+/* |
+ ******************************************************************************* |
+ * Copyright (C) 2003-2008, International Business Machines Corporation and * |
+ * 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 |
+ * 05/12/2008 jce modified to use calendar=roc per CLDR |
+ * |
+ */ |
+ |
+#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 |
+{ |
+ return "roc"; |
+} |
+ |
+int32_t TaiwanCalendar::handleGetExtendedYear() |
+{ |
+ // 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); |
+ } else { |
+ int32_t era = internalGet(UCAL_ERA, MINGUO); |
+ if(era == MINGUO) { |
+ year = internalGet(UCAL_YEAR, 1) + kTaiwanEraStart; |
+ } else if(era == BEFORE_MINGUO) { |
+ year = 1 - internalGet(UCAL_YEAR, 1) + kTaiwanEraStart; |
+ } |
+ } |
+ return year; |
+} |
+ |
+void TaiwanCalendar::handleComputeFields(int32_t julianDay, UErrorCode& status) |
+{ |
+ GregorianCalendar::handleComputeFields(julianDay, status); |
+ int32_t y = internalGet(UCAL_EXTENDED_YEAR) - kTaiwanEraStart; |
+ if(y>0) { |
+ internalSet(UCAL_ERA, MINGUO); |
+ internalSet(UCAL_YEAR, y); |
+ } else { |
+ internalSet(UCAL_ERA, BEFORE_MINGUO); |
+ internalSet(UCAL_YEAR, 1-y); |
+ } |
+} |
+ |
+int32_t TaiwanCalendar::handleGetLimit(UCalendarDateFields field, ELimitType limitType) const |
+{ |
+ if(field == UCAL_ERA) { |
+ if(limitType == UCAL_LIMIT_MINIMUM || limitType == UCAL_LIMIT_GREATEST_MINIMUM) { |
+ return BEFORE_MINGUO; |
+ } else { |
+ return MINGUO; |
+ } |
+ } 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 |
+ |
+// default century |
+const UDate TaiwanCalendar::fgSystemDefaultCentury = DBL_MIN; |
+const int32_t TaiwanCalendar::fgSystemDefaultCenturyYear = -1; |
+ |
+UDate TaiwanCalendar::fgSystemDefaultCenturyStart = DBL_MIN; |
+int32_t TaiwanCalendar::fgSystemDefaultCenturyStartYear = -1; |
+ |
+ |
+UBool TaiwanCalendar::haveDefaultCentury() const |
+{ |
+ return TRUE; |
+} |
+ |
+UDate TaiwanCalendar::defaultCenturyStart() const |
+{ |
+ return internalGetDefaultCenturyStart(); |
+} |
+ |
+int32_t TaiwanCalendar::defaultCenturyStartYear() const |
+{ |
+ return internalGetDefaultCenturyStartYear(); |
+} |
+ |
+UDate |
+TaiwanCalendar::internalGetDefaultCenturyStart() const |
+{ |
+ // lazy-evaluate systemDefaultCenturyStart |
+ UBool needsUpdate; |
+ UMTX_CHECK(NULL, (fgSystemDefaultCenturyStart == fgSystemDefaultCentury), needsUpdate); |
+ |
+ if (needsUpdate) { |
+ initializeSystemDefaultCentury(); |
+ } |
+ |
+ // use defaultCenturyStart unless it's the flag value; |
+ // then use systemDefaultCenturyStart |
+ |
+ return fgSystemDefaultCenturyStart; |
+} |
+ |
+int32_t |
+TaiwanCalendar::internalGetDefaultCenturyStartYear() const |
+{ |
+ // lazy-evaluate systemDefaultCenturyStartYear |
+ UBool needsUpdate; |
+ UMTX_CHECK(NULL, (fgSystemDefaultCenturyStart == fgSystemDefaultCentury), needsUpdate); |
+ |
+ if (needsUpdate) { |
+ initializeSystemDefaultCentury(); |
+ } |
+ |
+ // use defaultCenturyStart unless it's the flag value; |
+ // then use systemDefaultCenturyStartYear |
+ |
+ return fgSystemDefaultCenturyStartYear; |
+} |
+ |
+void |
+TaiwanCalendar::initializeSystemDefaultCentury() |
+{ |
+ // initialize systemDefaultCentury and systemDefaultCenturyYear based |
+ // on the current time. They'll be set to 80 years before |
+ // the current time. |
+ UErrorCode status = U_ZERO_ERROR; |
+ TaiwanCalendar calendar(Locale("@calendar=roc"),status); |
+ if (U_SUCCESS(status)) |
+ { |
+ calendar.setTime(Calendar::getNow(), status); |
+ calendar.add(UCAL_YEAR, -80, status); |
+ UDate newStart = calendar.getTime(status); |
+ int32_t newYear = calendar.get(UCAL_YEAR, status); |
+ umtx_lock(NULL); |
+ if (fgSystemDefaultCenturyStart == fgSystemDefaultCentury) |
+ { |
+ fgSystemDefaultCenturyStartYear = newYear; |
+ fgSystemDefaultCenturyStart = newStart; |
+ } |
+ umtx_unlock(NULL); |
+ } |
+ // We have no recourse upon failure unless we want to propagate the failure |
+ // out. |
+} |
+ |
+ |
+U_NAMESPACE_END |
+ |
+#endif |
Property changes on: icu46/source/i18n/taiwncal.cpp |
___________________________________________________________________ |
Added: svn:eol-style |
+ LF |