// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
* Copyright (C) 2003 - 2009, International Business Machines Corporation and *
* others. All Rights Reserved. *
*******************************************************************************
*/
#include "unicode/utypes.h"
#if !UCONFIG_NO_FORMATTING
#include "cecal.h"
#include "gregoimp.h" //Math
#include "cstring.h"
U_NAMESPACE_BEGIN
static const int32_t LIMITS[UCAL_FIELD_COUNT][
4 ] = {
// Minimum Greatest Least Maximum
// Minimum Maximum
{
0 ,
0 ,
1 ,
1 },
// ERA
{
1 ,
1 ,
5000000 ,
5000000 },
// YEAR
{
0 ,
0 ,
12 ,
12 },
// 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 ,
5 ,
30 },
// 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 ,
1 ,
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
{
0 ,
0 ,
12 ,
12 },
// ORDINAL_MONTH
};
//-------------------------------------------------------------------------
// Constructors...
//-------------------------------------------------------------------------
CECalendar::CECalendar(
const Locale& aLocale, UErrorCode& success)
: Calendar(TimeZone::forLocaleOrDefault(aLocale), aLocale, success)
{
setTimeInMillis(getNow(), success);
}
CECalendar::CECalendar (
const CECalendar& other)
: Calendar(other)
{
}
CECalendar::~CECalendar()
{
}
CECalendar&
CECalendar::
operator =(
const CECalendar& right)
{
Calendar::
operator =(right);
return *
this ;
}
//-------------------------------------------------------------------------
// Calendar framework
//-------------------------------------------------------------------------
int64_t
CECalendar::handleComputeMonthStart(int32_t eyear,int32_t emonth, UBool
/*useMonth*/, UErrorCode& /*status*/) const
{
int64_t year64 = eyear;
// handle month > 12, < 0 (e.g. from add/set)
if ( emonth >=
0 ) {
year64 += emonth/
13 ;
emonth %=
13 ;
}
else {
++emonth;
year64 += emonth/
13 -
1 ;
emonth = emonth%
13 +
12 ;
}
return (
getJDEpochOffset()
// difference from Julian epoch to 1,1,1
+
365 LL * year64
// number of days from years
+ ClockMath::floorDivideInt64(year64,
4 LL)
// extra day of leap year
+
30 * emonth
// number of days from months (months are 0-based)
-
1 // number of days for present month (1 based)
);
}
int32_t
CECalendar::handleGetLimit(UCalendarDateFields field, ELimitType limitType)
const
{
return LIMITS[field][limitType];
}
//-------------------------------------------------------------------------
// Calendar system Conversion methods...
//-------------------------------------------------------------------------
void
CECalendar::jdToCE(int32_t julianDay, int32_t jdEpochOffset, int32_t& year, int32_
t& month, int32_t& day, UErrorCode& status)
{
int32_t c4; // number of 4 year cycle (1461 days)
int32_t r4; // remainder of 4 year cycle, always positive
if (uprv_add32_overflow(julianDay, -jdEpochOffset, &julianDay)) {
status = U_ILLEGAL_ARGUMENT_ERROR;
return ;
}
c4 = ClockMath::floorDivide(julianDay, 1461 , &r4);
year = 4 * c4 + (r4/365 - r4/1460 ); // 4 * <number of 4year cycle> + <years within the last cycle>
int32_t doy = (r4 == 1460 ) ? 365 : (r4 % 365 ); // days in present year
month = doy / 30 ; // 30 -> Coptic/Ethiopic month length up to 12th month
day = (doy % 30 ) + 1 ; // 1-based days in a month
}
static const char * kMonthCode13 = "M13" ;
const char * CECalendar::getTemporalMonthCode(UErrorCode& status) const {
if (get(UCAL_MONTH, status) == 12 ) {
return kMonthCode13;
}
return Calendar::getTemporalMonthCode(status);
}
void
CECalendar::setTemporalMonthCode(const char * code, UErrorCode& status) {
if (U_FAILURE(status)) {
return ;
}
if (uprv_strcmp(code, kMonthCode13) == 0 ) {
set(UCAL_MONTH, 12 );
set(UCAL_IS_LEAP_MONTH, 0 );
return ;
}
Calendar::setTemporalMonthCode(code, status);
}
U_NAMESPACE_END
#endif /* #if !UCONFIG_NO_FORMATTING */
//eof
Messung V0.5 in Prozent C=92 H=94 G=92
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-06-04)
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