public function resolve(FieldValues $fieldValues, TemporalAccessor $partialTemporal, ResolverStyle $resolverStyle)
{
$wbyLong = $fieldValues->get(IsoFields::WEEK_BASED_YEAR());
$dowLong = $fieldValues->get(ChronoField::DAY_OF_WEEK());
if ($wbyLong === null || $dowLong === null) {
return null;
}
$wby = IsoFields::WEEK_BASED_YEAR()->range()->checkValidIntValue($wbyLong, IsoFields::WEEK_BASED_YEAR());
// always validate
$wowby = $fieldValues->get(IsoFields::WEEK_OF_WEEK_BASED_YEAR());
IsoFields::ensureIso($partialTemporal);
$date = LocalDate::of($wby, 1, 4);
if ($resolverStyle == ResolverStyle::LENIENT()) {
$dow = $dowLong;
// unvalidated
if ($dow > 7) {
$date = $date->plusWeeks(Math::div($dow - 1, 7));
$dow = ($dow - 1) % 7 + 1;
} else {
if ($dow < 1) {
$date = $date->plusWeeks(Math::div(Math::subtractExact($dow, 7), 7));
$dow = ($dow + 6) % 7 + 1;
}
}
$date = $date->plusWeeks(Math::subtractExact($wowby, 1))->with(ChronoField::DAY_OF_WEEK(), $dow);
} else {
$dow = ChronoField::DAY_OF_WEEK()->checkValidIntValue($dowLong);
// validated
if ($wowby < 1 || $wowby > 52) {
if ($resolverStyle == ResolverStyle::STRICT()) {
IsoFields::getWeekRange($date)->checkValidValue($wowby, $this);
// only allow exact range
} else {
// SMART
$this->range()->checkValidValue($wowby, $this);
// allow 1-53 rolling into next year
}
}
$date = $date->plusWeeks($wowby - 1)->with(ChronoField::DAY_OF_WEEK(), $dow);
}
$fieldValues->remove($this);
$fieldValues->remove(IsoFields::WEEK_BASED_YEAR());
$fieldValues->remove(ChronoField::DAY_OF_WEEK());
return $date;
}
/**
* @group long
*/
public function test_loop()
{
// loop round at least one 400 $year cycle, including before 1970
$date = LocalDate::of(1960, 1, 5);
// Tuseday of $week 1 1960
$year = 1960;
$wby = 1960;
$weekLen = 52;
$week = 1;
while ($date->getYear() < 2400) {
$loopDow = $date->getDayOfWeek();
if ($date->getYear() != $year) {
$year = $date->getYear();
}
if ($loopDow == DayOfWeek::MONDAY()) {
$week++;
if ($week == 53 && $weekLen == 52 || $week == 54) {
$week = 1;
$firstDayOfWeekBasedYear = $date->plusDays(14)->withDayOfYear(1);
$firstDay = $firstDayOfWeekBasedYear->getDayOfWeek();
$weekLen = $firstDay == DayOfWeek::THURSDAY() || $firstDay == DayOfWeek::WEDNESDAY() && $firstDayOfWeekBasedYear->isLeapYear() ? 53 : 52;
$wby++;
}
}
$this->assertEquals(IsoFields::WEEK_OF_WEEK_BASED_YEAR()->rangeRefinedBy($date), ValueRange::of(1, $weekLen), "Failed on " . $date . " " . $date->getDayOfWeek());
$this->assertEquals(IsoFields::WEEK_OF_WEEK_BASED_YEAR()->getFrom($date), $week, "Failed on " . $date . " " . $date->getDayOfWeek());
$this->assertEquals($date->get(IsoFields::WEEK_OF_WEEK_BASED_YEAR()), $week, "Failed on " . $date . " " . $date->getDayOfWeek());
$this->assertEquals(IsoFields::WEEK_BASED_YEAR()->getFrom($date), $wby, "Failed on " . $date . " " . $date->getDayOfWeek());
$this->assertEquals($date->get(IsoFields::WEEK_BASED_YEAR()), $wby, "Failed on " . $date . " " . $date->getDayOfWeek());
$date = $date->plusDays(1);
}
}
public function test_nullIsoFields_week_based_year()
{
TestHelper::assertNullException($this, function () {
IsoFields::WEEK_OF_WEEK_BASED_YEAR()->getDisplayName(null);
});
}
public static function ISO_WEEK_DATE()
{
return self::$ISO_WEEK_DATE = (new DateTimeFormatterBuilder())->parseCaseInsensitive()->appendValue3(IsoFields::WEEK_BASED_YEAR(), 4, 10, SignStyle::EXCEEDS_PAD())->appendLiteral2("-W")->appendValue2(IsoFields::WEEK_OF_WEEK_BASED_YEAR(), 2)->appendLiteral('-')->appendValue2(ChronoField::DAY_OF_WEEK(), 1)->optionalStart()->appendOffsetId()->toFormatter3(ResolverStyle::STRICT(), IsoChronology::INSTANCE());
}
public function test_parse_weekDate_largeYear()
{
$parsed = DateTimeFormatter::ISO_WEEK_DATE()->parseUnresolved("+123456-W04-5", new ParsePosition(0));
$this->assertEquals($parsed->getLong(IsoFields::WEEK_BASED_YEAR()), 123456);
$this->assertEquals($parsed->getLong(IsoFields::WEEK_OF_WEEK_BASED_YEAR()), 4);
$this->assertEquals($parsed->getLong(ChronoField::DAY_OF_WEEK()), 5);
}
