Code Coverage
 
Lines
Functions and Methods
Classes and Traits
Total
76.74% covered (warning)
76.74%
33 / 43
66.67% covered (warning)
66.67%
4 / 6
 CRAP
0.00% covered (danger)
0.00%
0 / 1
TransformationService
76.74% covered (warning)
76.74%
33 / 43
66.67% covered (warning)
66.67%
4 / 6
 28.09
0.00% covered (danger)
0.00%
0 / 1
 __construct
100.00% covered (success)
100.00%
1 / 1
100.00% covered (success)
100.00%
1 / 1
 1
 transformChildren
92.31% covered (success)
92.31%
12 / 13
0.00% covered (danger)
0.00%
0 / 1
 8.03
 transformAttributes
100.00% covered (success)
100.00%
9 / 9
100.00% covered (success)
100.00%
1 / 1
 6
 createQtiElementName
100.00% covered (success)
100.00%
1 / 1
100.00% covered (success)
100.00%
1 / 1
 1
 textInteractionAttributeTransformation
40.00% covered (danger)
40.00%
6 / 15
0.00% covered (danger)
0.00%
0 / 1
 10.40
 camelToHyphen
100.00% covered (success)
100.00%
4 / 4
100.00% covered (success)
100.00%
1 / 1
 1
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) 2025 (original work) Open Assessment Technologies SA;
19 */
20
21declare(strict_types=1);
22
23namespace oat\taoQtiItem\model\Export\Qti3Package;
24
25use DOMAttr;
26use DOMDocument;
27use DOMElement;
28
29class TransformationService
30{
31    private Qti3XsdValidator $validator;
32
33    public function __construct(Qti3XsdValidator $validator)
34    {
35        $this->validator = $validator;
36    }
37
38    public function transformChildren(DOMElement $oldElement, DOMElement $newParent, DOMDocument $newDom): void
39    {
40        foreach ($oldElement->childNodes as $child) {
41            if ($child instanceof DOMElement) {
42                $newName = $this->createQtiElementName($child->nodeName);
43
44                if (!$this->validator->isQtiElementName($newName)) {
45                    $newName = $child->nodeName;
46                }
47
48                $newElement = $newDom->createElement($newName);
49
50                $this->transformAttributes($child, $newElement);
51
52                if ($child->childNodes->length === 1 && $child->firstChild->nodeType === XML_TEXT_NODE) {
53                    $newElement->textContent = $child->textContent;
54                } else {
55                    $this->transformChildren($child, $newElement, $newDom);
56                }
57
58                $newParent->appendChild($newElement);
59            } elseif ($child->nodeType === XML_TEXT_NODE && trim($child->nodeValue) !== '') {
60                $newParent->appendChild($newDom->createTextNode($child->nodeValue));
61            }
62        }
63    }
64
65    public function transformAttributes(DOMElement $sourceElement, DOMElement $targetElement): void
66    {
67        if (!$sourceElement->hasAttributes()) {
68            return;
69        }
70
71        foreach ($sourceElement->attributes as $attribute) {
72            if (
73                !str_starts_with($attribute->nodeName, 'xmlns')
74                && $attribute->nodeName !== 'xsi:schemaLocation'
75            ) {
76                $attrName = $this->camelToHyphen($attribute->nodeName);
77                if (!empty($attrName)) {
78                    $targetElement->setAttribute($attrName, $attribute->value);
79                }
80            }
81
82            $this->textInteractionAttributeTransformation($attribute);
83        }
84    }
85
86    public function createQtiElementName(string $nodeName): string
87    {
88        return sprintf('qti-%s', $this->camelToHyphen($nodeName));
89    }
90
91    public function textInteractionAttributeTransformation(DOMAttr $node): void
92    {
93        $parent = $node->parentNode;
94        $classAttribute = $parent->attributes->getNamedItem('class');
95
96        switch ($node->nodeName) {
97            case 'expectedLength':
98                $classValue = 'qti-input-width-' . $node->nodeValue;
99                $parent->removeAttribute('expectedLength');
100                break;
101            case 'expectedLines':
102                $classValue = 'qti-input-height-' . $node->nodeValue;
103                $parent->removeAttribute('expectedLines');
104                break;
105            default:
106                return;
107        }
108
109        if ($classAttribute === null) {
110            $parent->setAttribute('class', $classValue);
111        } else {
112            $classAttribute->nodeValue .= ' ' . $classValue;
113        }
114    }
115
116    private function camelToHyphen(string $string): string
117    {
118        $string = preg_replace('/([a-z])([A-Z])/', '$1-$2', $string);
119        $string = str_replace('_', '-', $string);
120        $string = strtolower($string);
121        return ltrim($string, '-');
122    }
123}