Index: icu46/source/i18n/coptccal.cpp |
=================================================================== |
--- icu46/source/i18n/coptccal.cpp (revision 0) |
+++ icu46/source/i18n/coptccal.cpp (revision 0) |
@@ -0,0 +1,178 @@ |
+/* |
+******************************************************************************* |
+* 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 "coptccal.h" |
+#include "cecal.h" |
+#include <float.h> |
+ |
+U_NAMESPACE_BEGIN |
+ |
+UOBJECT_DEFINE_RTTI_IMPLEMENTATION(CopticCalendar) |
+ |
+static const int32_t COPTIC_JD_EPOCH_OFFSET = 1824665; |
+ |
+//------------------------------------------------------------------------- |
+// Constructors... |
+//------------------------------------------------------------------------- |
+ |
+CopticCalendar::CopticCalendar(const Locale& aLocale, UErrorCode& success) |
+: CECalendar(aLocale, success) |
+{ |
+} |
+ |
+CopticCalendar::CopticCalendar (const CopticCalendar& other) |
+: CECalendar(other) |
+{ |
+} |
+ |
+CopticCalendar::~CopticCalendar() |
+{ |
+} |
+ |
+Calendar* |
+CopticCalendar::clone() const |
+{ |
+ return new CopticCalendar(*this); |
+} |
+ |
+const char* |
+CopticCalendar::getType() const |
+{ |
+ return "coptic"; |
+} |
+ |
+//------------------------------------------------------------------------- |
+// Calendar framework |
+//------------------------------------------------------------------------- |
+ |
+int32_t |
+CopticCalendar::handleGetExtendedYear() |
+{ |
+ int32_t eyear; |
+ if (newerField(UCAL_EXTENDED_YEAR, UCAL_YEAR) == UCAL_EXTENDED_YEAR) { |
+ eyear = internalGet(UCAL_EXTENDED_YEAR, 1); // Default to year 1 |
+ } else { |
+ // The year defaults to the epoch start, the era to CE |
+ int32_t era = internalGet(UCAL_ERA, CE); |
+ if (era == BCE) { |
+ eyear = 1 - internalGet(UCAL_YEAR, 1); // Convert to extended year |
+ } else { |
+ eyear = internalGet(UCAL_YEAR, 1); // Default to year 1 |
+ } |
+ } |
+ return eyear; |
+} |
+ |
+void |
+CopticCalendar::handleComputeFields(int32_t julianDay, UErrorCode &/*status*/) |
+{ |
+ int32_t eyear, month, day, era, year; |
+ jdToCE(julianDay, getJDEpochOffset(), eyear, month, day); |
+ |
+ if (eyear <= 0) { |
+ era = BCE; |
+ year = 1 - eyear; |
+ } else { |
+ era = CE; |
+ year = eyear; |
+ } |
+ |
+ 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); |
+} |
+ |
+const UDate CopticCalendar::fgSystemDefaultCentury = DBL_MIN; |
+const int32_t CopticCalendar::fgSystemDefaultCenturyYear = -1; |
+ |
+UDate CopticCalendar::fgSystemDefaultCenturyStart = DBL_MIN; |
+int32_t CopticCalendar::fgSystemDefaultCenturyStartYear = -1; |
+ |
+UDate |
+CopticCalendar::defaultCenturyStart() const |
+{ |
+ initializeSystemDefaultCentury(); |
+ |
+ // use defaultCenturyStart unless it's the flag value; |
+ // then use systemDefaultCenturyStart |
+ return fgSystemDefaultCenturyStart; |
+} |
+ |
+int32_t |
+CopticCalendar::defaultCenturyStartYear() const |
+{ |
+ initializeSystemDefaultCentury(); |
+ |
+ // use defaultCenturyStart unless it's the flag value; |
+ // then use systemDefaultCenturyStart |
+ return fgSystemDefaultCenturyStartYear; |
+} |
+ |
+void |
+CopticCalendar::initializeSystemDefaultCentury() |
+{ |
+ // lazy-evaluate systemDefaultCenturyStart |
+ UBool needsUpdate; |
+ UMTX_CHECK(NULL, (fgSystemDefaultCenturyStart == fgSystemDefaultCentury), needsUpdate); |
+ |
+ if (!needsUpdate) { |
+ return; |
+ } |
+ |
+ UErrorCode status = U_ZERO_ERROR; |
+ |
+ CopticCalendar calendar(Locale("@calendar=coptic"), 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 |
+CopticCalendar::getJDEpochOffset() const |
+{ |
+ return COPTIC_JD_EPOCH_OFFSET; |
+} |
+ |
+ |
+#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 |
+CopticCalendar::copticToJD(int32_t year, int32_t month, int32_t day) |
+{ |
+ return CECalendar::ceToJD(year, month, day, COPTIC_JD_EPOCH_OFFSET); |
+} |
+#endif |
+ |
+U_NAMESPACE_END |
+ |
+#endif /* #if !UCONFIG_NO_FORMATTING */ |
+//eof |
Property changes on: icu46/source/i18n/coptccal.cpp |
___________________________________________________________________ |
Added: svn:eol-style |
+ LF |