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Diffstat (limited to 'deps/node/deps/icu-small/source/i18n/persncal.cpp')
| -rw-r--r-- | deps/node/deps/icu-small/source/i18n/persncal.cpp | 294 |
1 files changed, 0 insertions, 294 deletions
diff --git a/deps/node/deps/icu-small/source/i18n/persncal.cpp b/deps/node/deps/icu-small/source/i18n/persncal.cpp deleted file mode 100644 index 3d391f4e..00000000 --- a/deps/node/deps/icu-small/source/i18n/persncal.cpp +++ /dev/null @@ -1,294 +0,0 @@ -// © 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. - ****************************************************************************** - * - * File PERSNCAL.CPP - * - * Modification History: - * - * Date Name Description - * 9/23/2003 mehran posted to icu-design - * 10/1/2012 roozbeh Fixed algorithm and heavily refactored and rewrote - * based on the implementation of Gregorian - ***************************************************************************** - */ - -#include "persncal.h" - -#if !UCONFIG_NO_FORMATTING - -#include "umutex.h" -#include "gregoimp.h" // Math -#include <float.h> - -static const int16_t kPersianNumDays[] -= {0,31,62,93,124,155,186,216,246,276,306,336}; // 0-based, for day-in-year -static const int8_t kPersianMonthLength[] -= {31,31,31,31,31,31,30,30,30,30,30,29}; // 0-based -static const int8_t kPersianLeapMonthLength[] -= {31,31,31,31,31,31,30,30,30,30,30,30}; // 0-based - -static const int32_t kPersianCalendarLimits[UCAL_FIELD_COUNT][4] = { - // Minimum Greatest Least Maximum - // Minimum Maximum - { 0, 0, 0, 0}, // ERA - { -5000000, -5000000, 5000000, 5000000}, // YEAR - { 0, 0, 11, 11}, // MONTH - { 1, 1, 52, 53}, // WEEK_OF_YEAR - {/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1}, // WEEK_OF_MONTH - { 1, 1, 29, 31}, // DAY_OF_MONTH - { 1, 1, 365, 366}, // DAY_OF_YEAR - {/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1}, // DAY_OF_WEEK - { 1, 1, 5, 5}, // DAY_OF_WEEK_IN_MONTH - {/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1}, // AM_PM - {/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1}, // HOUR - {/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1}, // HOUR_OF_DAY - {/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1}, // MINUTE - {/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1}, // SECOND - {/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1}, // MILLISECOND - {/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1}, // ZONE_OFFSET - {/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1}, // DST_OFFSET - { -5000000, -5000000, 5000000, 5000000}, // YEAR_WOY - {/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1}, // DOW_LOCAL - { -5000000, -5000000, 5000000, 5000000}, // EXTENDED_YEAR - {/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1}, // JULIAN_DAY - {/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1}, // MILLISECONDS_IN_DAY - {/*N/A*/-1,/*N/A*/-1,/*N/A*/-1,/*N/A*/-1}, // IS_LEAP_MONTH -}; - -U_NAMESPACE_BEGIN - -static const int32_t PERSIAN_EPOCH = 1948320; - -// Implementation of the PersianCalendar class - -//------------------------------------------------------------------------- -// Constructors... -//------------------------------------------------------------------------- - -const char *PersianCalendar::getType() const { - return "persian"; -} - -Calendar* PersianCalendar::clone() const { - return new PersianCalendar(*this); -} - -PersianCalendar::PersianCalendar(const Locale& aLocale, UErrorCode& success) - : Calendar(TimeZone::createDefault(), aLocale, success) -{ - setTimeInMillis(getNow(), success); // Call this again now that the vtable is set up properly. -} - -PersianCalendar::PersianCalendar(const PersianCalendar& other) : Calendar(other) { -} - -PersianCalendar::~PersianCalendar() -{ -} - -//------------------------------------------------------------------------- -// Minimum / Maximum access functions -//------------------------------------------------------------------------- - - -int32_t PersianCalendar::handleGetLimit(UCalendarDateFields field, ELimitType limitType) const { - return kPersianCalendarLimits[field][limitType]; -} - -//------------------------------------------------------------------------- -// Assorted calculation utilities -// - -/** - * Determine whether a year is a leap year in the Persian calendar - */ -UBool PersianCalendar::isLeapYear(int32_t year) -{ - int32_t remainder; - ClockMath::floorDivide(25 * year + 11, 33, remainder); - return (remainder < 8); -} - -/** - * Return the day # on which the given year starts. Days are counted - * from the Persian epoch, origin 0. - */ -int32_t PersianCalendar::yearStart(int32_t year) { - return handleComputeMonthStart(year,0,FALSE); -} - -/** - * Return the day # on which the given month starts. Days are counted - * from the Persian epoch, origin 0. - * - * @param year The Persian year - * @param year The Persian month, 0-based - */ -int32_t PersianCalendar::monthStart(int32_t year, int32_t month) const { - return handleComputeMonthStart(year,month,TRUE); -} - -//---------------------------------------------------------------------- -// Calendar framework -//---------------------------------------------------------------------- - -/** - * Return the length (in days) of the given month. - * - * @param year The Persian year - * @param year The Persian month, 0-based - */ -int32_t PersianCalendar::handleGetMonthLength(int32_t extendedYear, int32_t month) const { - // If the month is out of range, adjust it into range, and - // modify the extended year value accordingly. - if (month < 0 || month > 11) { - extendedYear += ClockMath::floorDivide(month, 12, month); - } - - return isLeapYear(extendedYear) ? kPersianLeapMonthLength[month] : kPersianMonthLength[month]; -} - -/** - * Return the number of days in the given Persian year - */ -int32_t PersianCalendar::handleGetYearLength(int32_t extendedYear) const { - return isLeapYear(extendedYear) ? 366 : 365; -} - -//------------------------------------------------------------------------- -// Functions for converting from field values to milliseconds.... -//------------------------------------------------------------------------- - -// Return JD of start of given month/year -int32_t PersianCalendar::handleComputeMonthStart(int32_t eyear, int32_t month, UBool /*useMonth*/) const { - // If the month is out of range, adjust it into range, and - // modify the extended year value accordingly. - if (month < 0 || month > 11) { - eyear += ClockMath::floorDivide(month, 12, month); - } - - int32_t julianDay = PERSIAN_EPOCH - 1 + 365 * (eyear - 1) + ClockMath::floorDivide(8 * eyear + 21, 33); - - if (month != 0) { - julianDay += kPersianNumDays[month]; - } - - return julianDay; -} - -//------------------------------------------------------------------------- -// Functions for converting from milliseconds to field values -//------------------------------------------------------------------------- - -int32_t PersianCalendar::handleGetExtendedYear() { - int32_t year; - if (newerField(UCAL_EXTENDED_YEAR, UCAL_YEAR) == UCAL_EXTENDED_YEAR) { - year = internalGet(UCAL_EXTENDED_YEAR, 1); // Default to year 1 - } else { - year = internalGet(UCAL_YEAR, 1); // Default to year 1 - } - return year; -} - -/** - * Override Calendar to compute several fields specific to the Persian - * calendar system. These are: - * - * <ul><li>ERA - * <li>YEAR - * <li>MONTH - * <li>DAY_OF_MONTH - * <li>DAY_OF_YEAR - * <li>EXTENDED_YEAR</ul> - * - * The DAY_OF_WEEK and DOW_LOCAL fields are already set when this - * method is called. - */ -void PersianCalendar::handleComputeFields(int32_t julianDay, UErrorCode &/*status*/) { - int32_t year, month, dayOfMonth, dayOfYear; - - int32_t daysSinceEpoch = julianDay - PERSIAN_EPOCH; - year = 1 + (int32_t)ClockMath::floorDivide(33 * (int64_t)daysSinceEpoch + 3, (int64_t)12053); - - int32_t farvardin1 = 365 * (year - 1) + ClockMath::floorDivide(8 * year + 21, 33); - dayOfYear = (daysSinceEpoch - farvardin1); // 0-based - if (dayOfYear < 216) { // Compute 0-based month - month = dayOfYear / 31; - } else { - month = (dayOfYear - 6) / 30; - } - dayOfMonth = dayOfYear - kPersianNumDays[month] + 1; - ++dayOfYear; // Make it 1-based now - - internalSet(UCAL_ERA, 0); - internalSet(UCAL_YEAR, year); - internalSet(UCAL_EXTENDED_YEAR, year); - internalSet(UCAL_MONTH, month); - internalSet(UCAL_DAY_OF_MONTH, dayOfMonth); - internalSet(UCAL_DAY_OF_YEAR, dayOfYear); -} - -UBool -PersianCalendar::inDaylightTime(UErrorCode& status) const -{ - // copied from GregorianCalendar - if (U_FAILURE(status) || !getTimeZone().useDaylightTime()) - return FALSE; - - // Force an update of the state of the Calendar. - ((PersianCalendar*)this)->complete(status); // cast away const - - return (UBool)(U_SUCCESS(status) ? (internalGet(UCAL_DST_OFFSET) != 0) : FALSE); -} - -// default century - -static UDate gSystemDefaultCenturyStart = DBL_MIN; -static int32_t gSystemDefaultCenturyStartYear = -1; -static icu::UInitOnce gSystemDefaultCenturyInit = U_INITONCE_INITIALIZER; - -UBool PersianCalendar::haveDefaultCentury() const -{ - return TRUE; -} - -static void U_CALLCONV 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; - PersianCalendar calendar(Locale("@calendar=persian"),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 PersianCalendar::defaultCenturyStart() const { - // lazy-evaluate systemDefaultCenturyStart - umtx_initOnce(gSystemDefaultCenturyInit, &initializeSystemDefaultCentury); - return gSystemDefaultCenturyStart; -} - -int32_t PersianCalendar::defaultCenturyStartYear() const { - // lazy-evaluate systemDefaultCenturyStartYear - umtx_initOnce(gSystemDefaultCenturyInit, &initializeSystemDefaultCentury); - return gSystemDefaultCenturyStartYear; -} - -UOBJECT_DEFINE_RTTI_IMPLEMENTATION(PersianCalendar) - -U_NAMESPACE_END - -#endif |