87 lines
2.8 KiB
PHP
87 lines
2.8 KiB
PHP
<?php
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/**
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; under version 2
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* of the License (non-upgradable).
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright (c) 2020 (original work) Open Assessment Technologies SA;
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*
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*/
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declare(strict_types=1);
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namespace oat\taoMediaManager\model\sharedStimulus\parser;
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use DOMDocument;
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use LogicException;
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use oat\oatbox\service\ConfigurableService;
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use oat\taoMediaManager\model\sharedStimulus\SharedStimulus;
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use oat\taoQtiItem\model\qti\exception\QtiModelException;
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use oat\taoQtiItem\model\qti\ParserFactory;
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use oat\taoQtiItem\model\qti\XInclude;
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class JsonQtiAttributeParser extends ConfigurableService
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{
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/**
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* @throws QtiModelException
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*/
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public function parse(SharedStimulus $sharedStimulus): array
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{
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$document = $this->createDomDocument($sharedStimulus);
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$xinclude = $this->createXInclude($document);
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$this->addLanguageAttribute($document, $xinclude);
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return $xinclude->toArray();
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}
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private function createDomDocument(SharedStimulus $sharedStimulus): DOMDocument
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{
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$content = $sharedStimulus->getBody();
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if (empty($content)) {
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throw new LogicException('SharedStimulus content is empty and cannot be parsed.');
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}
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$document = new DOMDocument();
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$document->loadXML($content, LIBXML_BIGLINES | LIBXML_PARSEHUGE);
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return $document;
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}
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private function createXInclude(DOMDocument $document): XInclude
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{
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return $this->hydrateXInclude(new XInclude(), $document);
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}
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private function hydrateXInclude(XInclude $xinclude, DOMDocument $document): XInclude
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{
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$parser = new ParserFactory($document);
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$parser->loadContainerStatic($document->firstChild, $xinclude->getBody());
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return $xinclude;
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}
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/**
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* @throws QtiModelException
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*/
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private function addLanguageAttribute(DOMDocument $document, XInclude $xinclude): void
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{
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if (isset($document->getElementsByTagName('div')->item(0)->attributes['lang']->nodeValue)) {
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$xinclude->setAttribute(
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'xml:lang',
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$document->getElementsByTagName('div')->item(0)->attributes['lang']->nodeValue
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);
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}
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}
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}
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