Matecat\SubFiltering\Filters\RemoveDangerousChars

Complexity

Total Complexity

1

Size/Duplication

Total Lines	16
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes	1
Bugs	0	Features	0

1 Method

Rating	Name	Duplication	Size	Complexity
A	transform()	0	14	1

<?php
/**
 * Created by PhpStorm.
 * @author domenico domenico@translated.net / ostico@gmail.com
 * Date: 13/05/19
 * Time: 19.37
 *
 */

namespace Matecat\SubFiltering\Filters;


use Matecat\SubFiltering\Commons\AbstractHandler;

class RemoveDangerousChars extends AbstractHandler {

    public function transform( string $segment ): string {

        //clean invalid xml entities ( characters with ascii < 32 and different from 0A, 0D and 09
        $regexpHexEntity = '/&#x(0[0-8BCEF]|1[0-9A-F]|7F);/u';

        $regexpEntity = '/&#(0[0-8]|1[1-2]|1[4-9]|2[0-9]|3[0-1]|127);/u';

        //remove binary chars in some xliff files
        $regexpAscii = '/[\x{00}-\x{08}\x{0B}\x{0C}\x{0E}-\x{1F}\x{7F}]/u';

        $segment = preg_replace( $regexpAscii, '', $segment );
        $segment = preg_replace( $regexpHexEntity, '', $segment );

        return preg_replace( $regexpEntity, '', $segment );

    }

}