public function parse(DateTimeParseContext $context, $text, $position)
{
// simple looping parser to find the chronology
if ($position < 0 || $position > strlen($text)) {
throw new IndexOutOfBoundsException();
}
$chronos = AbstractChronology::getAvailableChronologies();
$bestMatch = null;
$matchLen = -1;
foreach ($chronos as $chrono) {
if ($this->textStyle === null) {
$name = $chrono->getId();
} else {
$name = $this->getChronologyName($chrono, $context->getLocale());
}
$nameLen = strlen($name);
if ($nameLen > $matchLen && $context->subSequenceEquals($text, $position, $name, 0, $nameLen)) {
$bestMatch = $chrono;
$matchLen = $nameLen;
}
}
if ($bestMatch === null) {
return ~$position;
}
$context->setParsed($bestMatch);
return $position + $matchLen;
}
public function getValue(DateTimePrintContext $context, $value)
{
$absValue = Math::abs($value);
$baseValue = $this->baseValue;
if ($this->baseDate != null) {
$chrono = AbstractChronology::from($context->getTemporal());
$baseValue = $chrono->dateFrom($this->baseDate)->get($this->field);
}
if ($value >= $baseValue && $value < $baseValue + self::$EXCEED_POINTS[$this->minWidth]) {
// Use the reduced value if it fits in minWidth
return $absValue % self::$EXCEED_POINTS[$this->minWidth];
}
// Otherwise truncate to fit in maxWidth
return $absValue % self::$EXCEED_POINTS[$this->maxWidth];
}
/**
* @return ThaiBuddhistDate
*/
public function resolveDate(FieldValues $fieldValues, ResolverStyle $resolverStyle)
{
return parent::resolveDate($fieldValues, $resolverStyle);
}
/**
* Adjusts the specified temporal object to have this year.
* <p>
* This returns a temporal object of the same observable type as the input
* with the year changed to be the same as this.
* <p>
* The adjustment is equivalent to using {@link Temporal#with(TemporalField, long)}
* passing {@link ChronoField#YEAR} as the field.
* If the specified temporal object does not use the ISO calendar system then
* a {@code DateTimeException} is thrown.
* <p>
* In most cases, it is clearer to reverse the calling pattern by using
* {@link Temporal#with(TemporalAdjuster)}:
* <pre>
* // these two lines are equivalent, but the second approach is recommended
* temporal = thisYear.adjustInto(temporal);
* temporal = temporal.with(thisYear);
* </pre>
* <p>
* This instance is immutable and unaffected by this method call.
*
* @param Temporal $temporal the target object to be adjusted, not null
* @return Temporal the adjusted object, not null
* @throws DateTimeException if unable to make the adjustment
* @throws ArithmeticException if numeric overflow occurs
*/
public function adjustInto(Temporal $temporal)
{
if (AbstractChronology::from($temporal)->equals(IsoChronology::INSTANCE()) == false) {
throw new DateTimeException("Adjustment only supported on ISO date-time");
}
return $temporal->with(ChronoField::YEAR(), $this->year);
}
/**
* @internal
* @param TemporalAccessor $temporal
* @return bool
*/
public static function isIso(TemporalAccessor $temporal)
{
return AbstractChronology::from($temporal)->equals(IsoChronology::INSTANCE());
}
/**
* @inheritdoc
*/
public static function timeLineOrder()
{
return AbstractChronology::DATE_ORDER();
}
/**
* Adjusts the specified temporal object to have this month-day.
* <p>
* This returns a temporal object of the same observable type as the input
* with the month and day-of-month changed to be the same as this.
* <p>
* The adjustment is equivalent to using {@link Temporal#with(TemporalField, long)}
* twice, passing {@link ChronoField#MONTH_OF_YEAR} and
* {@link ChronoField#DAY_OF_MONTH} as the fields.
* If the specified temporal object does not use the ISO calendar system then
* a {@code DateTimeException} is thrown.
* <p>
* In most cases, it is clearer to reverse the calling pattern by using
* {@link Temporal#with(TemporalAdjuster)}:
* <pre>
* // these two lines are equivalent, but the second approach is recommended
* temporal = thisMonthDay.adjustInto(temporal);
* temporal = temporal.with(thisMonthDay);
* </pre>
* <p>
* This instance is immutable and unaffected by this method call.
*
* @param Temporal $temporal the target object to be adjusted, not null
* @return Temporal the adjusted object, not null
* @throws DateTimeException if unable to make the adjustment
* @throws ArithmeticException if numeric overflow occurs
*/
public function adjustInto(Temporal $temporal)
{
if (AbstractChronology::from($temporal)->equals(IsoChronology::INSTANCE()) == false) {
throw new DateTimeException("Adjustment only supported on ISO date-time");
}
$temporal = $temporal->with(ChronoField::MONTH_OF_YEAR(), $this->month);
return $temporal->with(ChronoField::DAY_OF_MONTH(), Math::min($temporal->range(ChronoField::DAY_OF_MONTH())->getMaximum(), $this->day));
}
public function format(DateTimePrintContext $context, &$buf)
{
$chrono = AbstractChronology::from($context->getTemporal());
return $this->formatter($context->getLocale(), $chrono)->toPrinterParser(false)->format($context, $buf);
}
public function test_factory_from_TemporalAccessor_null()
{
TestHelper::assertNullException($this, function () {
AbstractChronology::from(null);
});
}
public function isSupportedBy(TemporalAccessor $temporal)
{
return $temporal->isSupported(ChronoField::EPOCH_DAY()) && AbstractChronology::from($temporal)->equals(IsoChronology::INSTANCE());
}
/**
* Map the field range to a week range of a week year.
* @param TemporalAccessor $temporal the temporal
* @return ValueRange the ValueRange with the range adjusted to weeks.
*/
private function rangeWeekOfWeekBasedYear(TemporalAccessor $temporal)
{
if (!$temporal->isSupported(CF::DAY_OF_YEAR())) {
return self::WEEK_OF_YEAR_RANGE();
}
$dow = $this->localizedDayOfWeek($temporal);
$doy = $temporal->get(CF::DAY_OF_YEAR());
$offset = $this->startOfWeekOffset($doy, $dow);
$week = $this->computeWeek($offset, $doy);
if ($week === 0) {
// Day is in end of week of previous year
// Recompute from the last day of the previous year
$date = AbstractChronology::from($temporal)->dateFrom($temporal);
$date = $date->minus($doy + 7, ChronoUnit::DAYS());
// Back down into previous year
return $this->rangeWeekOfWeekBasedYear($date);
}
// Check if day of year is in partial week associated with next year
$dayRange = $temporal->range(CF::DAY_OF_YEAR());
$yearLen = $dayRange->getMaximum();
$newYearWeek = $this->computeWeek($offset, $yearLen + $this->weekDef->getMinimalDaysInFirstWeek());
if ($week >= $newYearWeek) {
// Overlaps with weeks of following year; recompute from a week in following year
$date = AbstractChronology::from($temporal)->dateFrom($temporal);
$date = $date->plus($yearLen - $doy + 1 + 7, ChronoUnit::DAYS());
return $this->rangeWeekOfWeekBasedYear($date);
}
return ValueRange::of(1, $newYearWeek - 1);
}
public function resolve(FieldValues $fieldValues, TemporalAccessor $partialTemporal, ResolverStyle $resolverStyle)
{
$value = $fieldValues->remove($this);
$chrono = AbstractChronology::from($partialTemporal);
if ($resolverStyle == ResolverStyle::LENIENT()) {
return $chrono->dateEpochDay(Math::subtractExact($value, $this->offset));
}
$this->range()->checkValidValue($value, $this);
return $chrono->dateEpochDay($value - $this->offset);
}
