wikimedia/mediawiki-extensions-Wikibase

<?php

namespace Wikibase\DataModel\Deserializers;

use Deserializers\Deserializer;
use Deserializers\Exceptions\DeserializationException;
use Wikibase\DataModel\Snak\Snak;
use Wikibase\DataModel\Snak\SnakList;

/**
 * Package private
 *
 * @license GPL-2.0-or-later
 * @author Thomas Pellissier Tanon
 * @author Addshore
 */
class SnakListDeserializer implements Deserializer {

    /**
     * @var Deserializer
     */
    private $snakDeserializer;

    public function __construct( Deserializer $snakDeserializer ) {
        $this->snakDeserializer = $snakDeserializer;
    }

    /**
     * @see Deserializer::deserialize
     *
     * @param array[] $serialization
     *
     * @throws DeserializationException
     * @return SnakList
     */
    public function deserialize( $serialization ) {
        if ( !is_array( $serialization ) ) {
            throw new DeserializationException( 'The SnakList serialization should be an array' );
        }

        return $this->getDeserialized( $serialization );
    }

    /**
     * @param array[] $serialization
     *
     * @return SnakList
     */
    private function getDeserialized( array $serialization ) {
        $snakList = new SnakList();

        foreach ( $serialization as $key => $snakArray ) {
            if ( is_string( $key ) ) {
                if ( !is_array( $snakArray ) ) {
                    throw new DeserializationException(
                        "The snaks per property \"$key\" should be an array"
                    );
                }

                foreach ( $snakArray as $snakSerialization ) {
                    /** @var Snak $snak */
                    $snak = $this->snakDeserializer->deserialize( $snakSerialization );
                    $snakList->addSnak( $snak );
                }
            } else {
                /** @var Snak $snak */
                $snak = $this->snakDeserializer->deserialize( $snakArray );
                $snakList->addSnak( $snak );
            }
        }

        return $snakList;
    }

}