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<?php | ||
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/** | ||
* League.Csv (https://csv.thephpleague.com) | ||
* | ||
* (c) Ignace Nyamagana Butera <[email protected]> | ||
* | ||
* For the full copyright and license information, please view the LICENSE | ||
* file that was distributed with this source code. | ||
*/ | ||
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declare(strict_types=1); | ||
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namespace League\Csv; | ||
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use Iterator; | ||
use League\Csv\Serializer\DenormalizerFactory; | ||
use League\Csv\Serializer\Factory; | ||
use ReflectionException; | ||
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/** | ||
* @template TClass of object | ||
*/ | ||
final class Hydrator implements TabularDataHydrator | ||
{ | ||
public function __construct(private readonly DenormalizerFactory $factory = new Factory()) | ||
{ | ||
} | ||
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/** | ||
* Denormalizes data back into an object of a given class. | ||
* | ||
* @param class-string<TClass> $className | ||
* | ||
* @throws Serializer\DenormalizationFailed | ||
* @throws ReflectionException | ||
* @throws Serializer\TypeCastingFailed | ||
* | ||
* @return TClass | ||
*/ | ||
public function hydrate(string $className, array $record): object | ||
{ | ||
/** @var TClass $instance */ | ||
$instance = $this->factory | ||
->newDenormalizer($className, array_keys($record)) | ||
->denormalize($record); | ||
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return $instance; | ||
} | ||
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/** | ||
* Denormalizes data back into an object of a given class. | ||
* | ||
* @param class-string<TClass> $className | ||
* @param iterable<array> $records | ||
* | ||
* @throws Serializer\DenormalizationFailed | ||
* @throws ReflectionException | ||
* @throws Serializer\TypeCastingFailed | ||
* | ||
* @return Iterator<TClass> | ||
*/ | ||
public function hydrateAll(string $className, iterable $records): Iterator | ||
{ | ||
$iterator = MapIterator::toIterator($records); | ||
$iterator->rewind(); | ||
if (!$iterator->valid()) { | ||
return; | ||
} | ||
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/** @var array $current */ | ||
$current = $iterator->current(); | ||
$key = $iterator->key(); | ||
$iterator->next(); | ||
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$denormalizer = $this->factory->newDenormalizer($className, array_keys($current)); | ||
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while ($iterator->valid()) { | ||
/** @var TClass $instance */ | ||
$instance = $denormalizer->denormalize($current); | ||
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yield $key => $instance; | ||
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/** @var array $current */ | ||
$current = $iterator->current(); | ||
$key = $iterator->key(); | ||
$iterator->next(); | ||
} | ||
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/** @var TClass $instance */ | ||
$instance = $denormalizer->denormalize($current); | ||
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yield $key => $instance; | ||
} | ||
} |
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