wikimedia/mediawiki-extensions-Wikibase

<?php

declare( strict_types = 1 );

namespace Wikibase\Lib\Normalization;

use Wikibase\DataModel\ReferenceList;
use Wikibase\DataModel\Snak\SnakList;
use Wikibase\DataModel\Statement\Statement;

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

    /** @var SnakNormalizer */
    private $snakNormalizer;

    /** @var ReferenceNormalizer */
    private $referenceNormalizer;

    public function __construct(
        SnakNormalizer $snakNormalizer,
        ReferenceNormalizer $referenceNormalizer
    ) {
        $this->snakNormalizer = $snakNormalizer;
        $this->referenceNormalizer = $referenceNormalizer;
    }

    public function normalize( Statement $statement ): Statement {
        $normalized = new Statement(
            $this->snakNormalizer->normalize( $statement->getMainSnak() ),
            new SnakList( array_map(
                [ $this->snakNormalizer, 'normalize' ],
                $statement->getQualifiers()->getArrayCopy()
            ) ),
            new ReferenceList( array_map(
                [ $this->referenceNormalizer, 'normalize' ],
                iterator_to_array( $statement->getReferences() )
            ) ),
            $statement->getGuid()
        );
        $normalized->setRank( $statement->getRank() );
        return $normalized;
    }

}