mirror of
https://repo.dactyloidae.xyz/Dactyloidae/UXP.git
synced 2026-09-21 15:57:31 +09:00
import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo
This commit is contained in:
Roy Tam
commit
dcd9973243
150858 changed files with 23884658 additions and 0 deletions
450
intl/icu/source/i18n/indiancal.cpp
Normal file
450
intl/icu/source/i18n/indiancal.cpp
Normal file
|
|
@ -0,0 +1,450 @@
|
|||
// Copyright (C) 2016 and later: Unicode, Inc. and others.
|
||||
// License & terms of use: http://www.unicode.org/copyright.html
|
||||
/*
|
||||
* Copyright (C) 2003-2014, International Business Machines Corporation
|
||||
* and others. All Rights Reserved.
|
||||
******************************************************************************
|
||||
*
|
||||
* File INDIANCAL.CPP
|
||||
*****************************************************************************
|
||||
*/
|
||||
|
||||
#include "indiancal.h"
|
||||
#include <stdlib.h>
|
||||
#if !UCONFIG_NO_FORMATTING
|
||||
|
||||
#include "mutex.h"
|
||||
#include <float.h>
|
||||
#include "gregoimp.h" // Math
|
||||
#include "astro.h" // CalendarAstronomer
|
||||
#include "uhash.h"
|
||||
|
||||
// Debugging
|
||||
#ifdef U_DEBUG_INDIANCAL
|
||||
#include <stdio.h>
|
||||
#include <stdarg.h>
|
||||
|
||||
#endif
|
||||
|
||||
U_NAMESPACE_BEGIN
|
||||
|
||||
// Implementation of the IndianCalendar class
|
||||
|
||||
//-------------------------------------------------------------------------
|
||||
// Constructors...
|
||||
//-------------------------------------------------------------------------
|
||||
|
||||
|
||||
Calendar* IndianCalendar::clone() const {
|
||||
return new IndianCalendar(*this);
|
||||
}
|
||||
|
||||
IndianCalendar::IndianCalendar(const Locale& aLocale, UErrorCode& success)
|
||||
: Calendar(TimeZone::createDefault(), aLocale, success)
|
||||
{
|
||||
setTimeInMillis(getNow(), success); // Call this again now that the vtable is set up properly.
|
||||
}
|
||||
|
||||
IndianCalendar::IndianCalendar(const IndianCalendar& other) : Calendar(other) {
|
||||
}
|
||||
|
||||
IndianCalendar::~IndianCalendar()
|
||||
{
|
||||
}
|
||||
const char *IndianCalendar::getType() const {
|
||||
return "indian";
|
||||
}
|
||||
|
||||
static const int32_t LIMITS[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, 30, 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
|
||||
};
|
||||
|
||||
static const double JULIAN_EPOCH = 1721425.5;
|
||||
static const int32_t INDIAN_ERA_START = 78;
|
||||
static const int32_t INDIAN_YEAR_START = 80;
|
||||
|
||||
int32_t IndianCalendar::handleGetLimit(UCalendarDateFields field, ELimitType limitType) const {
|
||||
return LIMITS[field][limitType];
|
||||
}
|
||||
|
||||
/*
|
||||
* Determine whether the given gregorian year is a Leap year
|
||||
*/
|
||||
static UBool isGregorianLeap(int32_t year)
|
||||
{
|
||||
return ((year % 4) == 0) && (!(((year % 100) == 0) && ((year % 400) != 0)));
|
||||
}
|
||||
|
||||
//----------------------------------------------------------------------
|
||||
// Calendar framework
|
||||
//----------------------------------------------------------------------
|
||||
|
||||
/*
|
||||
* Return the length (in days) of the given month.
|
||||
*
|
||||
* @param eyear The year in Saka Era
|
||||
* @param month The month(0-based) in Indian calendar
|
||||
*/
|
||||
int32_t IndianCalendar::handleGetMonthLength(int32_t eyear, int32_t month) const {
|
||||
if (month < 0 || month > 11) {
|
||||
eyear += ClockMath::floorDivide(month, 12, month);
|
||||
}
|
||||
|
||||
if (isGregorianLeap(eyear + INDIAN_ERA_START) && month == 0) {
|
||||
return 31;
|
||||
}
|
||||
|
||||
if (month >= 1 && month <= 5) {
|
||||
return 31;
|
||||
}
|
||||
|
||||
return 30;
|
||||
}
|
||||
|
||||
/*
|
||||
* Return the number of days in the given Indian year
|
||||
*
|
||||
* @param eyear The year in Saka Era.
|
||||
*/
|
||||
int32_t IndianCalendar::handleGetYearLength(int32_t eyear) const {
|
||||
return isGregorianLeap(eyear + INDIAN_ERA_START) ? 366 : 365;
|
||||
}
|
||||
/*
|
||||
* Returns the Julian Day corresponding to gregorian date
|
||||
*
|
||||
* @param year The Gregorian year
|
||||
* @param month The month in Gregorian Year
|
||||
* @param date The date in Gregorian day in month
|
||||
*/
|
||||
static double gregorianToJD(int32_t year, int32_t month, int32_t date) {
|
||||
double julianDay = (JULIAN_EPOCH - 1) +
|
||||
(365 * (year - 1)) +
|
||||
uprv_floor((year - 1) / 4) +
|
||||
(-uprv_floor((year - 1) / 100)) +
|
||||
uprv_floor((year - 1) / 400) +
|
||||
uprv_floor((((367 * month) - 362) / 12) +
|
||||
((month <= 2) ? 0 :
|
||||
(isGregorianLeap(year) ? -1 : -2)
|
||||
) +
|
||||
date);
|
||||
|
||||
return julianDay;
|
||||
}
|
||||
|
||||
/*
|
||||
* Returns the Gregorian Date corresponding to a given Julian Day
|
||||
* @param jd The Julian Day
|
||||
*/
|
||||
static int32_t* jdToGregorian(double jd, int32_t gregorianDate[3]) {
|
||||
double wjd, depoch, quadricent, dqc, cent, dcent, quad, dquad, yindex, yearday, leapadj;
|
||||
int32_t year, month, day;
|
||||
wjd = uprv_floor(jd - 0.5) + 0.5;
|
||||
depoch = wjd - JULIAN_EPOCH;
|
||||
quadricent = uprv_floor(depoch / 146097);
|
||||
dqc = (int32_t)uprv_floor(depoch) % 146097;
|
||||
cent = uprv_floor(dqc / 36524);
|
||||
dcent = (int32_t)uprv_floor(dqc) % 36524;
|
||||
quad = uprv_floor(dcent / 1461);
|
||||
dquad = (int32_t)uprv_floor(dcent) % 1461;
|
||||
yindex = uprv_floor(dquad / 365);
|
||||
year = (int32_t)((quadricent * 400) + (cent * 100) + (quad * 4) + yindex);
|
||||
if (!((cent == 4) || (yindex == 4))) {
|
||||
year++;
|
||||
}
|
||||
yearday = wjd - gregorianToJD(year, 1, 1);
|
||||
leapadj = ((wjd < gregorianToJD(year, 3, 1)) ? 0
|
||||
:
|
||||
(isGregorianLeap(year) ? 1 : 2)
|
||||
);
|
||||
month = (int32_t)uprv_floor((((yearday + leapadj) * 12) + 373) / 367);
|
||||
day = (int32_t)(wjd - gregorianToJD(year, month, 1)) + 1;
|
||||
|
||||
gregorianDate[0] = year;
|
||||
gregorianDate[1] = month;
|
||||
gregorianDate[2] = day;
|
||||
|
||||
return gregorianDate;
|
||||
}
|
||||
|
||||
|
||||
//-------------------------------------------------------------------------
|
||||
// Functions for converting from field values to milliseconds....
|
||||
//-------------------------------------------------------------------------
|
||||
static double IndianToJD(int32_t year, int32_t month, int32_t date) {
|
||||
int32_t leapMonth, gyear, m;
|
||||
double start, jd;
|
||||
|
||||
gyear = year + INDIAN_ERA_START;
|
||||
|
||||
|
||||
if(isGregorianLeap(gyear)) {
|
||||
leapMonth = 31;
|
||||
start = gregorianToJD(gyear, 3, 21);
|
||||
}
|
||||
else {
|
||||
leapMonth = 30;
|
||||
start = gregorianToJD(gyear, 3, 22);
|
||||
}
|
||||
|
||||
if (month == 1) {
|
||||
jd = start + (date - 1);
|
||||
} else {
|
||||
jd = start + leapMonth;
|
||||
m = month - 2;
|
||||
|
||||
//m = Math.min(m, 5);
|
||||
if (m > 5) {
|
||||
m = 5;
|
||||
}
|
||||
|
||||
jd += m * 31;
|
||||
|
||||
if (month >= 8) {
|
||||
m = month - 7;
|
||||
jd += m * 30;
|
||||
}
|
||||
jd += date - 1;
|
||||
}
|
||||
|
||||
return jd;
|
||||
}
|
||||
|
||||
/*
|
||||
* Return JD of start of given month/year of Indian Calendar
|
||||
* @param eyear The year in Indian Calendar measured from Saka Era (78 AD).
|
||||
* @param month The month in Indian calendar
|
||||
*/
|
||||
int32_t IndianCalendar::handleComputeMonthStart(int32_t eyear, int32_t month, UBool /* useMonth */ ) const {
|
||||
|
||||
//month is 0 based; converting it to 1-based
|
||||
int32_t imonth;
|
||||
|
||||
// If the month is out of range, adjust it into range, and adjust the extended eyar accordingly
|
||||
if (month < 0 || month > 11) {
|
||||
eyear += (int32_t)ClockMath::floorDivide(month, 12, month);
|
||||
}
|
||||
|
||||
if(month == 12){
|
||||
imonth = 1;
|
||||
} else {
|
||||
imonth = month + 1;
|
||||
}
|
||||
|
||||
double jd = IndianToJD(eyear ,imonth, 1);
|
||||
|
||||
return (int32_t)jd;
|
||||
}
|
||||
|
||||
//-------------------------------------------------------------------------
|
||||
// Functions for converting from milliseconds to field values
|
||||
//-------------------------------------------------------------------------
|
||||
|
||||
int32_t IndianCalendar::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 Indian
|
||||
* calendar system. These are:
|
||||
*
|
||||
* <ul><li>ERA
|
||||
* <li>YEAR
|
||||
* <li>MONTH
|
||||
* <li>DAY_OF_MONTH
|
||||
* <li>EXTENDED_YEAR</ul>
|
||||
*
|
||||
* The DAY_OF_WEEK and DOW_LOCAL fields are already set when this
|
||||
* method is called. The getGregorianXxx() methods return Gregorian
|
||||
* calendar equivalents for the given Julian day.
|
||||
*/
|
||||
void IndianCalendar::handleComputeFields(int32_t julianDay, UErrorCode& /* status */) {
|
||||
double jdAtStartOfGregYear;
|
||||
int32_t leapMonth, IndianYear, yday, IndianMonth, IndianDayOfMonth, mday;
|
||||
int32_t gregorianYear; // Stores gregorian date corresponding to Julian day;
|
||||
int32_t gd[3];
|
||||
|
||||
gregorianYear = jdToGregorian(julianDay, gd)[0]; // Gregorian date for Julian day
|
||||
IndianYear = gregorianYear - INDIAN_ERA_START; // Year in Saka era
|
||||
jdAtStartOfGregYear = gregorianToJD(gregorianYear, 1, 1); // JD at start of Gregorian year
|
||||
yday = (int32_t)(julianDay - jdAtStartOfGregYear); // Day number in Gregorian year (starting from 0)
|
||||
|
||||
if (yday < INDIAN_YEAR_START) {
|
||||
// Day is at the end of the preceding Saka year
|
||||
IndianYear -= 1;
|
||||
leapMonth = isGregorianLeap(gregorianYear - 1) ? 31 : 30; // Days in leapMonth this year, previous Gregorian year
|
||||
yday += leapMonth + (31 * 5) + (30 * 3) + 10;
|
||||
} else {
|
||||
leapMonth = isGregorianLeap(gregorianYear) ? 31 : 30; // Days in leapMonth this year
|
||||
yday -= INDIAN_YEAR_START;
|
||||
}
|
||||
|
||||
if (yday < leapMonth) {
|
||||
IndianMonth = 0;
|
||||
IndianDayOfMonth = yday + 1;
|
||||
} else {
|
||||
mday = yday - leapMonth;
|
||||
if (mday < (31 * 5)) {
|
||||
IndianMonth = (int32_t)uprv_floor(mday / 31) + 1;
|
||||
IndianDayOfMonth = (mday % 31) + 1;
|
||||
} else {
|
||||
mday -= 31 * 5;
|
||||
IndianMonth = (int32_t)uprv_floor(mday / 30) + 6;
|
||||
IndianDayOfMonth = (mday % 30) + 1;
|
||||
}
|
||||
}
|
||||
|
||||
internalSet(UCAL_ERA, 0);
|
||||
internalSet(UCAL_EXTENDED_YEAR, IndianYear);
|
||||
internalSet(UCAL_YEAR, IndianYear);
|
||||
internalSet(UCAL_MONTH, IndianMonth);
|
||||
internalSet(UCAL_DAY_OF_MONTH, IndianDayOfMonth);
|
||||
internalSet(UCAL_DAY_OF_YEAR, yday + 1); // yday is 0-based
|
||||
}
|
||||
|
||||
UBool
|
||||
IndianCalendar::inDaylightTime(UErrorCode& status) const
|
||||
{
|
||||
// copied from GregorianCalendar
|
||||
if (U_FAILURE(status) || !getTimeZone().useDaylightTime()) {
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
// Force an update of the state of the Calendar.
|
||||
((IndianCalendar*)this)->complete(status); // cast away const
|
||||
|
||||
return (UBool)(U_SUCCESS(status) ? (internalGet(UCAL_DST_OFFSET) != 0) : FALSE);
|
||||
}
|
||||
|
||||
// default century
|
||||
const UDate IndianCalendar::fgSystemDefaultCentury = DBL_MIN;
|
||||
const int32_t IndianCalendar::fgSystemDefaultCenturyYear = -1;
|
||||
|
||||
UDate IndianCalendar::fgSystemDefaultCenturyStart = DBL_MIN;
|
||||
int32_t IndianCalendar::fgSystemDefaultCenturyStartYear = -1;
|
||||
|
||||
|
||||
UBool IndianCalendar::haveDefaultCentury() const
|
||||
{
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
UDate IndianCalendar::defaultCenturyStart() const
|
||||
{
|
||||
return internalGetDefaultCenturyStart();
|
||||
}
|
||||
|
||||
int32_t IndianCalendar::defaultCenturyStartYear() const
|
||||
{
|
||||
return internalGetDefaultCenturyStartYear();
|
||||
}
|
||||
|
||||
UDate
|
||||
IndianCalendar::internalGetDefaultCenturyStart() const
|
||||
{
|
||||
// lazy-evaluate systemDefaultCenturyStart
|
||||
UBool needsUpdate;
|
||||
{
|
||||
Mutex m;
|
||||
needsUpdate = (fgSystemDefaultCenturyStart == fgSystemDefaultCentury);
|
||||
}
|
||||
|
||||
if (needsUpdate) {
|
||||
initializeSystemDefaultCentury();
|
||||
}
|
||||
|
||||
// use defaultCenturyStart unless it's the flag value;
|
||||
// then use systemDefaultCenturyStart
|
||||
|
||||
return fgSystemDefaultCenturyStart;
|
||||
}
|
||||
|
||||
int32_t
|
||||
IndianCalendar::internalGetDefaultCenturyStartYear() const
|
||||
{
|
||||
// lazy-evaluate systemDefaultCenturyStartYear
|
||||
UBool needsUpdate;
|
||||
{
|
||||
Mutex m;
|
||||
|
||||
needsUpdate = (fgSystemDefaultCenturyStart == fgSystemDefaultCentury);
|
||||
}
|
||||
|
||||
if (needsUpdate) {
|
||||
initializeSystemDefaultCentury();
|
||||
}
|
||||
|
||||
// use defaultCenturyStart unless it's the flag value;
|
||||
// then use systemDefaultCenturyStartYear
|
||||
|
||||
return fgSystemDefaultCenturyStartYear;
|
||||
}
|
||||
|
||||
void
|
||||
IndianCalendar::initializeSystemDefaultCentury()
|
||||
{
|
||||
// initialize systemDefaultCentury and systemDefaultCenturyYear based
|
||||
// on the current time. They'll be set to 80 years before
|
||||
// the current time.
|
||||
// No point in locking as it should be idempotent.
|
||||
if (fgSystemDefaultCenturyStart == fgSystemDefaultCentury) {
|
||||
UErrorCode status = U_ZERO_ERROR;
|
||||
|
||||
IndianCalendar calendar(Locale("@calendar=Indian"),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);
|
||||
|
||||
{
|
||||
Mutex m;
|
||||
|
||||
fgSystemDefaultCenturyStart = newStart;
|
||||
fgSystemDefaultCenturyStartYear = newYear;
|
||||
}
|
||||
}
|
||||
|
||||
// We have no recourse upon failure unless we want to propagate the failure
|
||||
// out.
|
||||
}
|
||||
}
|
||||
|
||||
UOBJECT_DEFINE_RTTI_IMPLEMENTATION(IndianCalendar)
|
||||
|
||||
U_NAMESPACE_END
|
||||
|
||||
#endif
|
||||
|
||||
Loading…
Add table
Add a link
Reference in a new issue