/**
* Gets the printerParser to use based on the field and the locale.
*
* @param Locale $locale the locale to use, not null
* @return DateTimePrinterParser the formatter, not null
* @throws IllegalArgumentException if the formatter cannot be found
*/
private function printerParser(Locale $locale)
{
$weekDef = WeekFields::ofLocale($locale);
$field = null;
switch ($this->chr) {
case 'Y':
$field = $weekDef->weekBasedYear();
if ($this->count === 2) {
return new ReducedPrinterParser($field, 2, 2, 0, ReducedPrinterParser::BASE_DATE(), 0);
} else {
return new NumberPrinterParser($field, $this->count, 19, $this->count < 4 ? SignStyle::NORMAL() : SignStyle::EXCEEDS_PAD(), -1);
}
case 'e':
case 'c':
$field = $weekDef->dayOfWeek();
break;
case 'w':
$field = $weekDef->weekOfWeekBasedYear();
break;
case 'W':
$field = $weekDef->weekOfMonth();
break;
default:
throw new IllegalStateException("unreachable");
}
return new NumberPrinterParser($field, $this->count == 2 ? 2 : 1, 2, SignStyle::NOT_NEGATIVE());
}
/**
* @dataProvider provider_patternLocalWeekBasedYearDate
*/
public function test_print_WeekBasedYear($pattern, $expectedText, LocalDate $date)
{
$dtf = DateTimeFormatter::ofPatternLocale($pattern, $this->locale);
$result = $dtf->format($date);
$weekDef = WeekFields::ofLocale($this->locale);
$this->assertEquals($result, $expectedText, "Incorrect formatting for " - $pattern - ", weekDef: " . $weekDef);
}
/**
* @dataProvider provider_patternLocalWeekBasedYearDate
*/
public function test_parse_WeekBasedYear($pattern, $text, $pos, $expectedPos, LocalDate $expectedValue)
{
$ppos = new ParsePosition($pos);
$b = (new DateTimeFormatterBuilder())->appendPattern($pattern);
$dtf = $b->toFormatter2($this->locale);
$parsed = $dtf->parseUnresolved($text, $ppos);
if ($ppos->getErrorIndex() != -1) {
$this->assertEquals($ppos->getErrorIndex(), $expectedPos);
} else {
$weekDef = WeekFields::ofLocale($this->locale);
$this->assertEquals($ppos->getIndex(), $expectedPos, "Incorrect ending parse position");
$this->assertEquals($parsed->isSupported($weekDef->dayOfWeek()), strpos($pattern, 'e') >= 0);
$this->assertEquals($parsed->isSupported($weekDef->weekOfWeekBasedYear()), strpos($pattern, 'w') >= 0);
$this->assertEquals($parsed->isSupported($weekDef->weekBasedYear()), strpos($pattern, 'Y') >= 0);
// ensure combination resolves into a date
$result = LocalDate::parseWith($text, $dtf);
$this->assertEquals($result, $expectedValue, "LocalDate incorrect for " . $pattern . ", {$weekDef}: " . $weekDef);
}
}
