wikimedia/mediawiki-extensions-Wikibase

<?php

namespace Wikibase\Lib\Normalization;

use DataValues\DataValue;
use DataValues\StringValue;
use Psr\Log\LoggerInterface;
use Wikibase\Lib\StringNormalizer;

/**
 * @license GPL-2.0-or-later
 */
class StringValueNormalizer implements DataValueNormalizer {

    /** @var StringNormalizer */
    private $stringNormalizer;

    /** @var LoggerInterface */
    private $logger;

    public function __construct(
        StringNormalizer $stringNormalizer,
        LoggerInterface $logger
    ) {
        $this->stringNormalizer = $stringNormalizer;
        $this->logger = $logger;
    }

    public function normalize( DataValue $value ): DataValue {
        if ( !( $value instanceof StringValue ) ) {
            $this->logger->info(
                __METHOD__ . ': cannot normalize non-string value {value}',
                [
                    'value' => $value->getArrayValue(),
                ]
            );
            return $value;
        }
        return new StringValue( $this->stringNormalizer->cleanupToNFC( $value->getValue() ) );
    }

}