AbstractGenerator.php

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<?php
namespace TYPO3\CMS\Fluid\Service;

/*                                                                        *
 * This script is backported from the TYPO3 Flow package "TYPO3.Fluid".   *
 *                                                                        *
 * It is free software; you can redistribute it and/or modify it under    *
 * the terms of the GNU Lesser General Public License, either version 3   *
 *  of the License, or (at your option) any later version.                *
 *                                                                        *
 * The TYPO3 project - inspiring people to share!                         *
 *                                                                        */

abstract class AbstractGenerator {

    protected $abstractViewHelperReflectionClass;

    protected $docCommentParser;

    protected $reflectionService;

    public function __construct() {
        \TYPO3\CMS\Fluid\Fluid::$debugMode = TRUE; // We want ViewHelper argument documentation
        $this->abstractViewHelperReflectionClass = new \TYPO3\CMS\Extbase\Reflection\ClassReflection('TYPO3\CMS\Fluid\Core\ViewHelper\AbstractViewHelper');
    }

    protected function getClassNamesInNamespace($namespace) {
        $affectedViewHelperClassNames = array();

        $allViewHelperClassNames = $this->reflectionService->getAllSubClassNamesForClass('TYPO3\CMS\Fluid\Core\ViewHelper\AbstractViewHelper');
        foreach ($allViewHelperClassNames as $viewHelperClassName) {
            if ($this->reflectionService->isClassAbstract($viewHelperClassName)) {
                continue;
            }
            if (strncmp($namespace, $viewHelperClassName, strlen($namespace)) === 0) {
                $affectedViewHelperClassNames[] = $viewHelperClassName;
            }
        }
        sort($affectedViewHelperClassNames);
        return $affectedViewHelperClassNames;
    }

    protected function getTagNameForClass($className, $namespace) {
        $strippedClassName = substr($className, strlen($namespace), -10);
        $classNameParts = explode(\TYPO3\CMS\Fluid\Fluid::NAMESPACE_SEPARATOR, $strippedClassName);
        return implode(
            '.',
            array_map(
                function($element) {
                    return lcfirst($element);
                },
                $classNameParts
            )
        );
    }

    protected function addChildWithCData(\SimpleXMLElement $parentXmlNode, $childNodeName, $childNodeValue) {
        // Disables the functionality to allow external entities to be loaded when parsing the XML, must be kept
        $previousValueOfEntityLoader = libxml_disable_entity_loader(TRUE);
        $parentDomNode = dom_import_simplexml($parentXmlNode);
        $domDocument = new \DOMDocument();

        $childNode = $domDocument->appendChild($domDocument->createElement($childNodeName));
        $childNode->appendChild($domDocument->createCDATASection($childNodeValue));
        $childNodeTarget = $parentDomNode->ownerDocument->importNode($childNode, true);
        $parentDomNode->appendChild($childNodeTarget);
        $returnValue = simplexml_import_dom($childNodeTarget);
        libxml_disable_entity_loader($previousValueOfEntityLoader);

        return $returnValue;
    }

}