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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; under version 2 |
| 7 | * of the License (non-upgradable). |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | * |
| 18 | * Copyright (c) 2024 (original work) Open Assessment Technologies SA. |
| 19 | */ |
| 20 | |
| 21 | declare(strict_types=1); |
| 22 | |
| 23 | namespace oat\taoQtiItem\model\Export\Qti3Package; |
| 24 | |
| 25 | use oat\taoQtiItem\model\ValidationService; |
| 26 | use RuntimeException; |
| 27 | use SimpleXMLElement; |
| 28 | |
| 29 | class Qti3XsdValidator |
| 30 | { |
| 31 | private const QTI3_NAMESPACE = 'http://www.imsglobal.org/xsd/imsqtiasi_v3p0'; |
| 32 | |
| 33 | private ?array $qtiElementNames = null; |
| 34 | private ValidationService $validationService; |
| 35 | |
| 36 | public function __construct(ValidationService $validationService = null) |
| 37 | { |
| 38 | $this->validationService = $validationService ?? new ValidationService(); |
| 39 | } |
| 40 | |
| 41 | public function isQtiElementName(string $elementName): bool |
| 42 | { |
| 43 | if ($this->qtiElementNames === null) { |
| 44 | $this->qtiElementNames = $this->loadQtiElementNames(); |
| 45 | } |
| 46 | |
| 47 | return in_array($elementName, $this->qtiElementNames, true); |
| 48 | } |
| 49 | |
| 50 | public function loadQtiElementNames(): array |
| 51 | { |
| 52 | $schemaFiles = $this->validationService->getContentValidationSchema(self::QTI3_NAMESPACE); |
| 53 | |
| 54 | if (empty($schemaFiles)) { |
| 55 | throw new RuntimeException('QTI3 XSD schema files not found'); |
| 56 | } |
| 57 | |
| 58 | $mainSchema = $schemaFiles[0]; // Use the first schema file |
| 59 | |
| 60 | if (!file_exists($mainSchema)) { |
| 61 | throw new RuntimeException( |
| 62 | sprintf( |
| 63 | 'QTI3 XSD schema file not found at path: %s', |
| 64 | $mainSchema |
| 65 | ) |
| 66 | ); |
| 67 | } |
| 68 | |
| 69 | $xml = new SimpleXMLElement(file_get_contents($mainSchema)); |
| 70 | $xml->registerXPathNamespace('xs', 'http://www.w3.org/2001/XMLSchema'); |
| 71 | |
| 72 | $elements = $xml->xpath('//xs:element[@name]'); |
| 73 | |
| 74 | $qtiElementNames = []; |
| 75 | foreach ($elements as $element) { |
| 76 | $name = (string)$element['name']; |
| 77 | if (str_starts_with($name, 'qti-')) { |
| 78 | $qtiElementNames[] = $name; |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | return $qtiElementNames; |
| 83 | } |
| 84 | } |