AbstractXmlParser.php

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<?php
namespace ‪TYPO3\CMS\Core\Localization\Parser;
 
/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */
 
use ‪TYPO3\CMS\Core\Core\Environment;
use ‪TYPO3\CMS\Core\Localization\Exception\FileNotFoundException;
use ‪TYPO3\CMS\Core\Localization\Exception\InvalidXmlFileException;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
use ‪TYPO3\CMS\Core\Utility\PathUtility;
 
abstract class ‪AbstractXmlParser implements ‪LocalizationParserInterface
{
    protected ‪$sourcePath;
 
    protected ‪$languageKey;
 
    public function ‪getParsedData(‪$sourcePath, ‪$languageKey)
    {
        $this->sourcePath = ‪$sourcePath;
        $this->languageKey = ‪$languageKey;
        if ($this->languageKey !== 'default') {
            $this->sourcePath = $this->‪getLocalizedFileName($this->sourcePath, $this->languageKey);
            if (!@is_file($this->sourcePath)) {
                // Global localization is not available, try split localization file
                $this->sourcePath = $this->‪getLocalizedFileName(‪$sourcePath, ‪$languageKey, true);
            }
            if (!@is_file($this->sourcePath)) {
                throw new ‪FileNotFoundException('Localization file does not exist', 1306332397);
            }
        }
        $LOCAL_LANG = [];
        $LOCAL_LANG[‪$languageKey] = $this->‪parseXmlFile();
        return $LOCAL_LANG;
    }
 
    protected function ‪parseXmlFile()
    {
        $xmlContent = file_get_contents($this->sourcePath);
        // Disables the functionality to allow external entities to be loaded when parsing the XML, must be kept
        $previousValueOfEntityLoader = libxml_disable_entity_loader(true);
        $rootXmlNode = simplexml_load_string($xmlContent, 'SimpleXMLElement', LIBXML_NOWARNING);
        libxml_disable_entity_loader($previousValueOfEntityLoader);
        if (!isset($rootXmlNode) || $rootXmlNode === false) {
            $xmlError = libxml_get_last_error();
            throw new ‪InvalidXmlFileException(
                'The path provided does not point to existing and accessible well-formed XML file. Reason: ' . $xmlError->message . ' in ' . $this->sourcePath . ', line ' . $xmlError->line,
                1278155988
            );
        }
        return $this->‪doParsingFromRoot($rootXmlNode);
    }
 
    protected function ‪getLocalizedFileName($fileRef, $language, $sameLocation = false)
    {
        // If $fileRef is already prefixed with "[language key]" then we should return it as is
        $fileName = ‪PathUtility::basename($fileRef);
        if (GeneralUtility::isFirstPartOfStr($fileName, $language . '.')) {
            return GeneralUtility::getFileAbsFileName($fileRef);
        }
 
        if ($sameLocation) {
            return GeneralUtility::getFileAbsFileName(str_replace($fileName, $language . '.' . $fileName, $fileRef));
        }
 
        // Analyze file reference
        if (GeneralUtility::isFirstPartOfStr($fileRef, ‪Environment::getFrameworkBasePath() . '/')) {
            // Is system
            $validatedPrefix = ‪Environment::getFrameworkBasePath() . '/';
        } elseif (GeneralUtility::isFirstPartOfStr($fileRef, ‪Environment::getBackendPath() . '/ext/')) {
            // Is global
            $validatedPrefix = ‪Environment::getBackendPath() . '/ext/';
        } elseif (GeneralUtility::isFirstPartOfStr($fileRef, ‪Environment::getExtensionsPath() . '/')) {
            // Is local
            $validatedPrefix = ‪Environment::getExtensionsPath() . '/';
        } else {
            $validatedPrefix = '';
        }
        if ($validatedPrefix) {
            // Divide file reference into extension key, directory (if any) and base name:
            list($extensionKey, $file_extPath) = explode('/', substr($fileRef, strlen($validatedPrefix)), 2);
            $temp = GeneralUtility::revExplode('/', $file_extPath, 2);
            if (count($temp) === 1) {
                array_unshift($temp, '');
            }
            // Add empty first-entry if not there.
            list($file_extPath, $file_fileName) = $temp;
            // The filename is prefixed with "[language key]." because it prevents the llxmltranslate tool from detecting it.
            return ‪Environment::getLabelsPath() . '/' . $language . '/' . $extensionKey . '/' . ($file_extPath ? $file_extPath . '/' : '') . $language . '.' . $file_fileName;
        }
        return null;
    }
 
    abstract protected function ‪doParsingFromRoot(\SimpleXMLElement $root);
}