SchemaDetector.php

<?php

declare (strict_types=1);

/*
 * This file is part of PHPUnit.
 *
 * (c) Sebastian Bergmann <sebastian@phpunit.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace PHPUnit\TextUI\XmlConfiguration;

use PHPUnit\Util\Xml\Loader;
use PHPUnit\Util\Xml\XmlException;

/**
 * @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit
 *
 * @internal This class is not covered by the backward compatibility promise for PHPUnit
 */
final class SchemaDetector {
    
    /**
     * @throws XmlException
     */
    public function detect(string $filename) : SchemaDetectionResult {
        $document = (new Loader())->loadFile($filename);
        $schemaFinder = new SchemaFinder();
        foreach ($schemaFinder->available() as $candidate) {
            $schema = (new SchemaFinder())->find($candidate);
            if (!(new Validator())->validate($document, $schema)
                ->hasValidationErrors()) {
                return new SuccessfulSchemaDetectionResult($candidate);
            }
        }
        return new FailedSchemaDetectionResult();
    }

}