119 lines
4.3 KiB
PHP
119 lines
4.3 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Serializer\Normalizer;
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use Symfony\Component\Serializer\Exception\InvalidArgumentException;
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use Symfony\Component\Serializer\Exception\NotNormalizableValueException;
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/**
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* Normalizes an instance of {@see \DateInterval} to an interval string.
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* Denormalizes an interval string to an instance of {@see \DateInterval}.
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*
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* @author Jérôme Parmentier <jerome@prmntr.me>
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*/
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final class DateIntervalNormalizer implements NormalizerInterface, DenormalizerInterface
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{
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public const FORMAT_KEY = 'dateinterval_format';
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private array $defaultContext = [
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self::FORMAT_KEY => '%rP%yY%mM%dDT%hH%iM%sS',
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];
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public function __construct(array $defaultContext = [])
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{
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$this->defaultContext = array_merge($this->defaultContext, $defaultContext);
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}
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public function getSupportedTypes(?string $format): array
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{
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return [
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\DateInterval::class => true,
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];
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}
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/**
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* @throws InvalidArgumentException
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*/
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public function normalize(mixed $object, ?string $format = null, array $context = []): string
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{
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if (!$object instanceof \DateInterval) {
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throw new InvalidArgumentException('The object must be an instance of "\DateInterval".');
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}
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return $object->format($context[self::FORMAT_KEY] ?? $this->defaultContext[self::FORMAT_KEY]);
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}
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public function supportsNormalization(mixed $data, ?string $format = null, array $context = []): bool
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{
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return $data instanceof \DateInterval;
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}
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/**
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* @throws NotNormalizableValueException
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*/
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public function denormalize(mixed $data, string $type, ?string $format = null, array $context = []): \DateInterval
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{
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if (!\is_string($data)) {
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throw NotNormalizableValueException::createForUnexpectedDataType('Data expected to be a string.', $data, ['string'], $context['deserialization_path'] ?? null, true);
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}
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if (!$this->isISO8601($data)) {
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throw NotNormalizableValueException::createForUnexpectedDataType('Expected a valid ISO 8601 interval string.', $data, ['string'], $context['deserialization_path'] ?? null, true);
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}
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$dateIntervalFormat = $context[self::FORMAT_KEY] ?? $this->defaultContext[self::FORMAT_KEY];
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$signPattern = '';
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switch (substr($dateIntervalFormat, 0, 2)) {
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case '%R':
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$signPattern = '[-+]';
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$dateIntervalFormat = substr($dateIntervalFormat, 2);
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break;
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case '%r':
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$signPattern = '-?';
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$dateIntervalFormat = substr($dateIntervalFormat, 2);
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break;
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}
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$valuePattern = '/^'.$signPattern.preg_replace('/%([yYmMdDhHiIsSwW])(\w)/', '(?:(?P<$1>\d+)$2)?', preg_replace('/(T.*)$/', '($1)?', $dateIntervalFormat)).'$/';
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if (!preg_match($valuePattern, $data)) {
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throw NotNormalizableValueException::createForUnexpectedDataType(sprintf('Value "%s" contains intervals not accepted by format "%s".', $data, $dateIntervalFormat), $data, ['string'], $context['deserialization_path'] ?? null, false);
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}
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try {
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if ('-' === $data[0]) {
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$interval = new \DateInterval(substr($data, 1));
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$interval->invert = 1;
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return $interval;
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}
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if ('+' === $data[0]) {
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return new \DateInterval(substr($data, 1));
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}
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return new \DateInterval($data);
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} catch (\Exception $e) {
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throw NotNormalizableValueException::createForUnexpectedDataType($e->getMessage(), $data, ['string'], $context['deserialization_path'] ?? null, false, $e->getCode(), $e);
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}
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}
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public function supportsDenormalization(mixed $data, string $type, ?string $format = null, array $context = []): bool
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{
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return \DateInterval::class === $type;
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}
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private function isISO8601(string $string): bool
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{
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return preg_match('/^[\-+]?P(?=\w*(?:\d|%\w))(?:\d+Y|%[yY]Y)?(?:\d+M|%[mM]M)?(?:\d+W|%[wW]W)?(?:\d+D|%[dD]D)?(?:T(?:\d+H|[hH]H)?(?:\d+M|[iI]M)?(?:\d+S|[sS]S)?)?$/', $string);
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}
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}
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