wikimedia/mediawiki-extensions-Wikibase

<?php

namespace Wikibase\DataModel\Deserializers;

use DataValues\DataValue;
use DataValues\Deserializers\DataValueDeserializer;
use Deserializers\Exceptions\DeserializationException;
use InvalidArgumentException;

/**
 * @license GPL-2.0-or-later
 */
class SnakValueDeserializer {

    private array $deserializerBuilders;
    private DataValueDeserializer $dataValueDeserializer;

    public function __construct( DataValueDeserializer $dataValueDeserializer, array $deserializerBuilders ) {
        $this->dataValueDeserializer = $dataValueDeserializer;
        $this->deserializerBuilders = $deserializerBuilders;
    }

    /**
     * @throws DeserializationException
     */
    public function deserialize( string $dataType, array $serialization ): DataValue {
        $builder = $this->deserializerBuilders["PT:$dataType"] ?? null;
        if ( !$builder ) {
            return $this->dataValueDeserializer->deserialize( $serialization );
        }

        try {
            if ( is_callable( $builder ) ) {
                return $builder( $serialization[DataValueDeserializer::VALUE_KEY] );
            }

            /** @var DataValue $builder */
            return $builder::newFromArray( $serialization[DataValueDeserializer::VALUE_KEY] );
        } catch ( InvalidArgumentException $ex ) {
            throw new DeserializationException( $ex->getMessage(), $ex );
        }
    }

}