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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * CSS path converter extension |
| 5 | * |
| 6 | * PHP version 8 |
| 7 | * |
| 8 | * Copyright (C) The National Library of Finland 2017. |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License version 2, |
| 12 | * as published by the Free Software Foundation. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 22 | * |
| 23 | * @category VuFind |
| 24 | * @package View_Helpers |
| 25 | * @author Ere Maijala <ere.maijala@helsinki.fi> |
| 26 | * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License |
| 27 | * @link https://vufind.org/wiki/development Wiki |
| 28 | */ |
| 29 | |
| 30 | namespace VuFindTheme\Minify; |
| 31 | |
| 32 | /** |
| 33 | * CSS path converter extension |
| 34 | * |
| 35 | * @category VuFind |
| 36 | * @package View_Helpers |
| 37 | * @author Ere Maijala <ere.maijala@helsinki.fi> |
| 38 | * @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License |
| 39 | * @link https://vufind.org/wiki/development Wiki |
| 40 | */ |
| 41 | class PathConverter extends \MatthiasMullie\PathConverter\Converter |
| 42 | { |
| 43 | /** |
| 44 | * Normalize path. |
| 45 | * |
| 46 | * @param string $path Path |
| 47 | * |
| 48 | * @return string |
| 49 | */ |
| 50 | protected function normalize($path) |
| 51 | { |
| 52 | $path = parent::normalize($path); |
| 53 | |
| 54 | $path = str_replace('/local/cache/public', '/cache', $path); |
| 55 | |
| 56 | return $path; |
| 57 | } |
| 58 | |
| 59 | /** |
| 60 | * Convert paths relative to the themes directory. |
| 61 | * |
| 62 | * Takes advantage of the fact that we know the themes directory will be |
| 63 | * '../themes' relative to the cache directory. This allows path resolution to |
| 64 | * work regardless of whether there are symlinked directories or other |
| 65 | * differences between the actual file system path and the path used to access |
| 66 | * the theme files. |
| 67 | * |
| 68 | * @param string $path The relative path that needs to be converted |
| 69 | * |
| 70 | * @return string The new relative path |
| 71 | */ |
| 72 | public function convert($path) |
| 73 | { |
| 74 | $path = $this->from . '/' . $path; |
| 75 | $path = preg_replace('/.*?\/themes\//', '../themes/', $path); |
| 76 | |
| 77 | // Remove .. parts in the middle of the resulting path: |
| 78 | $parts = explode('/', $path); |
| 79 | $result = []; |
| 80 | $last = ''; |
| 81 | foreach ($parts as $part) { |
| 82 | if ('' !== $last && '..' !== $last && '..' === $part) { |
| 83 | array_pop($result); |
| 84 | continue; |
| 85 | } |
| 86 | $last = $part; |
| 87 | $result[] = $part; |
| 88 | } |
| 89 | |
| 90 | return implode('/', $result); |
| 91 | } |
| 92 | } |