Matthias Andreas Benkard | 12a5735 | 2021-12-28 18:02:04 +0100 | [diff] [blame^] | 1 | <?php |
| 2 | |
| 3 | /* |
| 4 | * This file is part of Twig. |
| 5 | * |
| 6 | * (c) Fabien Potencier |
| 7 | * |
| 8 | * For the full copyright and license information, please view the LICENSE |
| 9 | * file that was distributed with this source code. |
| 10 | */ |
| 11 | |
| 12 | namespace Twig; |
| 13 | |
| 14 | /** |
| 15 | * Default autoescaping strategy based on file names. |
| 16 | * |
| 17 | * This strategy sets the HTML as the default autoescaping strategy, |
| 18 | * but changes it based on the template name. |
| 19 | * |
| 20 | * Note that there is no runtime performance impact as the |
| 21 | * default autoescaping strategy is set at compilation time. |
| 22 | * |
| 23 | * @author Fabien Potencier <fabien@symfony.com> |
| 24 | */ |
| 25 | class FileExtensionEscapingStrategy |
| 26 | { |
| 27 | /** |
| 28 | * Guesses the best autoescaping strategy based on the file name. |
| 29 | * |
| 30 | * @param string $name The template name |
| 31 | * |
| 32 | * @return string|false The escaping strategy name to use or false to disable |
| 33 | */ |
| 34 | public static function guess(string $name) |
| 35 | { |
| 36 | if (\in_array(substr($name, -1), ['/', '\\'])) { |
| 37 | return 'html'; // return html for directories |
| 38 | } |
| 39 | |
| 40 | if ('.twig' === substr($name, -5)) { |
| 41 | $name = substr($name, 0, -5); |
| 42 | } |
| 43 | |
| 44 | $extension = pathinfo($name, \PATHINFO_EXTENSION); |
| 45 | |
| 46 | switch ($extension) { |
| 47 | case 'js': |
| 48 | return 'js'; |
| 49 | |
| 50 | case 'css': |
| 51 | return 'css'; |
| 52 | |
| 53 | case 'txt': |
| 54 | return false; |
| 55 | |
| 56 | default: |
| 57 | return 'html'; |
| 58 | } |
| 59 | } |
| 60 | } |