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-rw-r--r--intl/icu/source/i18n/coptccal.cpp164
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diff --git a/intl/icu/source/i18n/coptccal.cpp b/intl/icu/source/i18n/coptccal.cpp
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+// Copyright (C) 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+*******************************************************************************
+* Copyright (C) 2003 - 2013, 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);
+}
+
+/**
+ * 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 icu::UInitOnce gSystemDefaultCenturyInit = U_INITONCE_INITIALIZER;
+
+
+static void U_CALLCONV initializeSystemDefaultCentury() {
+ 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);
+ gSystemDefaultCenturyStart = calendar.getTime(status);
+ gSystemDefaultCenturyStartYear = calendar.get(UCAL_YEAR, status);
+ }
+ // We have no recourse upon failure unless we want to propagate the failure
+ // out.
+}
+
+UDate
+CopticCalendar::defaultCenturyStart() const
+{
+ // lazy-evaluate systemDefaultCenturyStart
+ umtx_initOnce(gSystemDefaultCenturyInit, &initializeSystemDefaultCentury);
+ return gSystemDefaultCenturyStart;
+}
+
+int32_t
+CopticCalendar::defaultCenturyStartYear() const
+{
+ // lazy-evaluate systemDefaultCenturyStart
+ umtx_initOnce(gSystemDefaultCenturyInit, &initializeSystemDefaultCentury);
+ return gSystemDefaultCenturyStartYear;
+}
+
+
+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