LocalizationFactory.php

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<?php
namespace ‪TYPO3\CMS\Core\Localization;
 
/*
 * 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\Cache\CacheManager;
use ‪TYPO3\CMS\Core\Utility\ArrayUtility;
use ‪TYPO3\CMS\Core\Utility\GeneralUtility;
 
class ‪LocalizationFactory implements ‪\TYPO3\CMS\Core\SingletonInterface
{
    protected ‪$cacheInstance;
 
    public ‪$store;
 
    public function ‪__construct()
    {
        $this->store = GeneralUtility::makeInstance(LanguageStore::class);
        $this->‪initializeCache();
    }
 
    protected function ‪initializeCache()
    {
        $this->cacheInstance = GeneralUtility::makeInstance(CacheManager::class)->getCache('l10n');
    }
 
    public function ‪getParsedData($fileReference, $languageKey, $charset = '', $errorMode = null, $isLocalizationOverride = false)
    {
        // @deprecated since TYPO3 v9, will be removed with TYPO3 v10.0
        // this is a fallback to convert references to old 'lang' locallang files to the new location
        if (strpos($fileReference, 'EXT:lang/Resources/Private/Language/') === 0) {
            $mapping = [
                'lang/Resources/Private/Language/locallang_alt_intro.xlf' => 'about/Resources/Private/Language/Modules/locallang_alt_intro.xlf',
                'lang/Resources/Private/Language/locallang_alt_doc.xlf' => 'backend/Resources/Private/Language/locallang_alt_doc.xlf',
                'lang/Resources/Private/Language/locallang_login.xlf' => 'backend/Resources/Private/Language/locallang_login.xlf',
                'lang/Resources/Private/Language/locallang_common.xlf' => 'core/Resources/Private/Language/locallang_common.xlf',
                'lang/Resources/Private/Language/locallang_core.xlf' => 'core/Resources/Private/Language/locallang_core.xlf',
                'lang/Resources/Private/Language/locallang_general.xlf' => 'core/Resources/Private/Language/locallang_general.xlf',
                'lang/Resources/Private/Language/locallang_misc.xlf' => 'core/Resources/Private/Language/locallang_misc.xlf',
                'lang/Resources/Private/Language/locallang_mod_web_list.xlf' => 'core/Resources/Private/Language/locallang_mod_web_list.xlf',
                'lang/Resources/Private/Language/locallang_tca.xlf' => 'core/Resources/Private/Language/locallang_tca.xlf',
                'lang/Resources/Private/Language/locallang_tsfe.xlf' => 'core/Resources/Private/Language/locallang_tsfe.xlf',
                'lang/Resources/Private/Language/locallang_wizards.xlf' => 'core/Resources/Private/Language/locallang_wizards.xlf',
                'lang/Resources/Private/Language/locallang_browse_links.xlf' => 'recordlist/Resources/Private/Language/locallang_browse_links.xlf',
                'lang/Resources/Private/Language/locallang_tcemain.xlf' => 'workspaces/Resources/Private/Language/locallang_tcemain.xlf',
            ];
            $filePath = substr($fileReference, 4);
            trigger_error('There is a reference to "' . $fileReference . '", which has been moved to "EXT:' . $mapping[$filePath] . '". This fallback will be removed with TYPO3 v10.0.', E_USER_DEPRECATED);
            $fileReference = 'EXT:' . $mapping[$filePath];
        }
        // @deprecated since TYPO3 v9, will be removed with TYPO3 v10.0
        // this is a fallback to convert references to old 'saltedpasswords' locallang files to the new location
        if (strpos($fileReference, 'EXT:saltedpasswords/Resources/Private/Language/') === 0) {
            $mapping = [
                'saltedpasswords/Resources/Private/Language/locallang.xlf' => 'core/Resources/Private/Language/locallang_deprecated_saltedpasswords.xlf',
                'saltedpasswords/Resources/Private/Language/locallang_em.xlf' => 'core/Resources/Private/Language/locallang_deprecated_saltedpasswords_em.xlf',
            ];
            $filePath = substr($fileReference, 4);
            trigger_error('There is a reference to "' . $fileReference . '", which has been moved to "EXT:' . $mapping[$filePath] . '". This fallback will be removed with TYPO3 v10.0.', E_USER_DEPRECATED);
            $fileReference = 'EXT:' . $mapping[$filePath];
        }
 
        $hash = md5($fileReference . $languageKey);
 
        // Check if the default language is processed before processing other language
        if (!$this->store->hasData($fileReference, 'default') && $languageKey !== 'default') {
            $this->‪getParsedData($fileReference, 'default');
        }
        // If the content is parsed (local cache), use it
        if ($this->store->hasData($fileReference, $languageKey)) {
            return $this->store->getData($fileReference);
        }
 
        // If the content is in cache (system cache), use it
        $data = $this->cacheInstance->get($hash);
        if ($data !== false) {
            $this->store->setData($fileReference, $languageKey, $data);
            return $this->store->getData($fileReference);
        }
 
        try {
            $this->store->setConfiguration($fileReference, $languageKey);
            ‪$parser = $this->store->getParserInstance($fileReference);
            // Get parsed data
            $LOCAL_LANG = ‪$parser->getParsedData($this->store->getAbsoluteFileReference($fileReference), $languageKey);
        } catch (‪Exception\‪FileNotFoundException $exception) {
            // Source localization file not found, set empty data as there could be an override
            $this->store->setData($fileReference, $languageKey, []);
            $LOCAL_LANG = $this->store->getData($fileReference);
        }
 
        // Override localization
        if (!$isLocalizationOverride && isset(‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['locallangXMLOverride'])) {
            $this->‪localizationOverride($fileReference, $languageKey, $LOCAL_LANG);
        }
 
        // Save parsed data in cache
        $this->store->setData($fileReference, $languageKey, $LOCAL_LANG[$languageKey]);
 
        // Cache processed data
        $this->cacheInstance->set($hash, $this->store->getDataByLanguage($fileReference, $languageKey));
 
        return $this->store->getData($fileReference);
    }
 
    protected function ‪localizationOverride($fileReference, $languageKey, array &$LOCAL_LANG)
    {
        $overrides = [];
        $fileReferenceWithoutExtension = $this->store->getFileReferenceWithoutExtension($fileReference);
        $locallangXMLOverride = ‪$GLOBALS['TYPO3_CONF_VARS']['SYS']['locallangXMLOverride'];
        foreach ($this->store->getSupportedExtensions() as $extension) {
            if (isset($locallangXMLOverride[$languageKey][$fileReferenceWithoutExtension . '.' . $extension]) && is_array($locallangXMLOverride[$languageKey][$fileReferenceWithoutExtension . '.' . $extension])) {
                $overrides = array_merge($overrides, $locallangXMLOverride[$languageKey][$fileReferenceWithoutExtension . '.' . $extension]);
            } elseif (isset($locallangXMLOverride[$fileReferenceWithoutExtension . '.' . $extension]) && is_array($locallangXMLOverride[$fileReferenceWithoutExtension . '.' . $extension])) {
                $overrides = array_merge($overrides, $locallangXMLOverride[$fileReferenceWithoutExtension . '.' . $extension]);
            }
        }
        if (!empty($overrides)) {
            foreach ($overrides as $overrideFile) {
                $languageOverrideFileName = GeneralUtility::getFileAbsFileName($overrideFile);
                ‪ArrayUtility::mergeRecursiveWithOverrule($LOCAL_LANG, $this->‪getParsedData($languageOverrideFileName, $languageKey, null, null, true));
            }
        }
    }
}