Index: icu46/source/i18n/ethpccal.cpp |
=================================================================== |
--- icu46/source/i18n/ethpccal.cpp (revision 0) |
+++ icu46/source/i18n/ethpccal.cpp (revision 0) |
@@ -0,0 +1,214 @@ |
+/* |
+******************************************************************************* |
+* Copyright (C) 2003 - 2009, International Business Machines Corporation and * |
+* others. All Rights Reserved. * |
+******************************************************************************* |
+*/ |
+ |
+#include "unicode/utypes.h" |
+ |
+#if !UCONFIG_NO_FORMATTING |
+ |
+#include "umutex.h" |
+#include "ethpccal.h" |
+#include "cecal.h" |
+#include <float.h> |
+ |
+U_NAMESPACE_BEGIN |
+ |
+UOBJECT_DEFINE_RTTI_IMPLEMENTATION(EthiopicCalendar) |
+ |
+//static const int32_t JD_EPOCH_OFFSET_AMETE_ALEM = -285019; |
+static const int32_t JD_EPOCH_OFFSET_AMETE_MIHRET = 1723856; |
+static const int32_t AMETE_MIHRET_DELTA = 5500; // 5501 - 1 (Amete Alem 5501 = Amete Mihret 1) |
+ |
+//------------------------------------------------------------------------- |
+// Constructors... |
+//------------------------------------------------------------------------- |
+ |
+EthiopicCalendar::EthiopicCalendar(const Locale& aLocale, |
+ UErrorCode& success, |
+ EEraType type /*= AMETE_MIHRET_ERA*/) |
+: CECalendar(aLocale, success), |
+ eraType(type) |
+{ |
+} |
+ |
+EthiopicCalendar::EthiopicCalendar(const EthiopicCalendar& other) |
+: CECalendar(other), |
+ eraType(other.eraType) |
+{ |
+} |
+ |
+EthiopicCalendar::~EthiopicCalendar() |
+{ |
+} |
+ |
+Calendar* |
+EthiopicCalendar::clone() const |
+{ |
+ return new EthiopicCalendar(*this); |
+} |
+ |
+const char * |
+EthiopicCalendar::getType() const |
+{ |
+ if (isAmeteAlemEra()) { |
+ return "ethiopic-amete-alem"; |
+ } |
+ return "ethiopic"; |
+} |
+ |
+void |
+EthiopicCalendar::setAmeteAlemEra(UBool onOff) |
+{ |
+ eraType = onOff ? AMETE_ALEM_ERA : AMETE_MIHRET_ERA; |
+} |
+ |
+UBool |
+EthiopicCalendar::isAmeteAlemEra() const |
+{ |
+ return (eraType == AMETE_ALEM_ERA); |
+} |
+ |
+//------------------------------------------------------------------------- |
+// Calendar framework |
+//------------------------------------------------------------------------- |
+ |
+int32_t |
+EthiopicCalendar::handleGetExtendedYear() |
+{ |
+ // Ethiopic calendar uses EXTENDED_YEAR aligned to |
+ // Amelete Hihret year always. |
+ int32_t eyear; |
+ if (newerField(UCAL_EXTENDED_YEAR, UCAL_YEAR) == UCAL_EXTENDED_YEAR) { |
+ eyear = internalGet(UCAL_EXTENDED_YEAR, 1); // Default to year 1 |
+ } else if (isAmeteAlemEra()) { |
+ eyear = internalGet(UCAL_YEAR, 1 + AMETE_MIHRET_DELTA) |
+ - AMETE_MIHRET_DELTA; // Default to year 1 of Amelete Mihret |
+ } else { |
+ // The year defaults to the epoch start, the era to AMETE_MIHRET |
+ int32_t era = internalGet(UCAL_ERA, AMETE_MIHRET); |
+ if (era == AMETE_MIHRET) { |
+ eyear = internalGet(UCAL_YEAR, 1); // Default to year 1 |
+ } else { |
+ eyear = internalGet(UCAL_YEAR, 1) - AMETE_MIHRET_DELTA; |
+ } |
+ } |
+ return eyear; |
+} |
+ |
+void |
+EthiopicCalendar::handleComputeFields(int32_t julianDay, UErrorCode &/*status*/) |
+{ |
+ int32_t eyear, month, day, era, year; |
+ jdToCE(julianDay, getJDEpochOffset(), eyear, month, day); |
+ |
+ if (isAmeteAlemEra()) { |
+ era = AMETE_ALEM; |
+ year = eyear + AMETE_MIHRET_DELTA; |
+ } else { |
+ if (eyear > 0) { |
+ era = AMETE_MIHRET; |
+ year = eyear; |
+ } else { |
+ era = AMETE_ALEM; |
+ year = eyear + AMETE_MIHRET_DELTA; |
+ } |
+ } |
+ |
+ internalSet(UCAL_EXTENDED_YEAR, eyear); |
+ internalSet(UCAL_ERA, era); |
+ internalSet(UCAL_YEAR, year); |
+ internalSet(UCAL_MONTH, month); |
+ internalSet(UCAL_DATE, day); |
+ internalSet(UCAL_DAY_OF_YEAR, (30 * month) + day); |
+} |
+ |
+int32_t |
+EthiopicCalendar::handleGetLimit(UCalendarDateFields field, ELimitType limitType) const |
+{ |
+ if (isAmeteAlemEra() && field == UCAL_ERA) { |
+ return 0; // Only one era in this mode, era is always 0 |
+ } |
+ return CECalendar::handleGetLimit(field, limitType); |
+} |
+ |
+const UDate EthiopicCalendar::fgSystemDefaultCentury = DBL_MIN; |
+const int32_t EthiopicCalendar::fgSystemDefaultCenturyYear = -1; |
+ |
+UDate EthiopicCalendar::fgSystemDefaultCenturyStart = DBL_MIN; |
+int32_t EthiopicCalendar::fgSystemDefaultCenturyStartYear = -1; |
+ |
+UDate |
+EthiopicCalendar::defaultCenturyStart() const |
+{ |
+ initializeSystemDefaultCentury(); |
+ return fgSystemDefaultCenturyStart; |
+} |
+ |
+int32_t |
+EthiopicCalendar::defaultCenturyStartYear() const |
+{ |
+ initializeSystemDefaultCentury(); |
+ if (isAmeteAlemEra()) { |
+ return fgSystemDefaultCenturyStartYear + AMETE_MIHRET_DELTA; |
+ } |
+ return fgSystemDefaultCenturyStartYear; |
+} |
+ |
+void |
+EthiopicCalendar::initializeSystemDefaultCentury() |
+{ |
+ // lazy-evaluate systemDefaultCenturyStart |
+ UBool needsUpdate; |
+ UMTX_CHECK(NULL, (fgSystemDefaultCenturyStart == fgSystemDefaultCentury), needsUpdate); |
+ |
+ if (!needsUpdate) { |
+ return; |
+ } |
+ |
+ UErrorCode status = U_ZERO_ERROR; |
+ |
+ EthiopicCalendar calendar(Locale("@calendar=ethiopic"), 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); |
+ fgSystemDefaultCenturyStartYear = newYear; |
+ fgSystemDefaultCenturyStart = newStart; |
+ umtx_unlock(NULL); |
+ } |
+ } |
+ // We have no recourse upon failure unless we want to propagate the failure |
+ // out. |
+} |
+ |
+int32_t |
+EthiopicCalendar::getJDEpochOffset() const |
+{ |
+ return JD_EPOCH_OFFSET_AMETE_MIHRET; |
+} |
+ |
+ |
+#if 0 |
+// We do not want to introduce this API in ICU4C. |
+// It was accidentally introduced in ICU4J as a public API. |
+ |
+//------------------------------------------------------------------------- |
+// Calendar system Conversion methods... |
+//------------------------------------------------------------------------- |
+ |
+int32_t |
+EthiopicCalendar::ethiopicToJD(int32_t year, int32_t month, int32_t date) |
+{ |
+ return ceToJD(year, month, date, JD_EPOCH_OFFSET_AMETE_MIHRET); |
+} |
+#endif |
+ |
+U_NAMESPACE_END |
+ |
+#endif |
Property changes on: icu46/source/i18n/ethpccal.cpp |
___________________________________________________________________ |
Added: svn:eol-style |
+ LF |