/
Locales.php
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/
Locales.php
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<?php
/*
* 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!
*/
namespace TYPO3\CMS\Core\Localization;
use TYPO3\CMS\Core\Log\LogManager;
use TYPO3\CMS\Core\SingletonInterface;
use TYPO3\CMS\Core\Site\Entity\SiteLanguage;
use TYPO3\CMS\Core\Utility\GeneralUtility;
/**
* Locales. Used to define TYPO3- system languages
* When adding new keys, remember to:
* - Update 'setup' extension labels (sysext/setup/Resources/Private/Language/locallang.xlf)
* That's it!
*/
class Locales implements SingletonInterface
{
/**
* Supported TYPO3 languages with locales
*
* @var array
*/
protected $languages = [
'default' => 'English',
'af' => 'Afrikaans',
'ar' => 'Arabic',
'bs' => 'Bosnian',
'bg' => 'Bulgarian',
'ca' => 'Catalan',
'ch' => 'Chinese (Simple)',
'cs' => 'Czech',
'da' => 'Danish',
'de' => 'German',
'el' => 'Greek',
'eo' => 'Esperanto',
'es' => 'Spanish',
'et' => 'Estonian',
'eu' => 'Basque',
'fa' => 'Persian',
'fi' => 'Finnish',
'fo' => 'Faroese',
'fr' => 'French',
'fr_CA' => 'French (Canada)',
'gl' => 'Galician',
'he' => 'Hebrew',
'hi' => 'Hindi',
'hr' => 'Croatian',
'hu' => 'Hungarian',
'is' => 'Icelandic',
'it' => 'Italian',
'ja' => 'Japanese',
'ka' => 'Georgian',
'kl' => 'Greenlandic',
'km' => 'Khmer',
'ko' => 'Korean',
'lt' => 'Lithuanian',
'lv' => 'Latvian',
'mi' => 'Maori',
'mk' => 'Macedonian',
'ms' => 'Malay',
'nl' => 'Dutch',
'no' => 'Norwegian',
'pl' => 'Polish',
'pt' => 'Portuguese',
'pt_BR' => 'Brazilian Portuguese',
'ro' => 'Romanian',
'ru' => 'Russian',
'rw' => 'Kinyarwanda',
'sk' => 'Slovak',
'sl' => 'Slovenian',
'sn' => 'Shona (Bantu)',
'sq' => 'Albanian',
'sr' => 'Serbian',
'sv' => 'Swedish',
'th' => 'Thai',
'tr' => 'Turkish',
'uk' => 'Ukrainian',
'vi' => 'Vietnamese',
'zh' => 'Chinese (Trad)'
];
/**
* Reversed mapping for backward compatibility codes
*
* @var array
*/
protected $isoReverseMapping = [
'bs' => 'ba', // Bosnian
'cs' => 'cz', // Czech
'da' => 'dk', // Danish
'el' => 'gr', // Greek
'fr_CA' => 'qc', // French (Canada)
'gl' => 'ga', // Galician
'ja' => 'jp', // Japanese
'ka' => 'ge', // Georgian
'kl' => 'gl', // Greenlandic
'ko' => 'kr', // Korean
'ms' => 'my', // Malay
'pt_BR' => 'br', // Portuguese (Brazil)
'sl' => 'si', // Slovenian
'sv' => 'se', // Swedish
'uk' => 'ua', // Ukrainian
'vi' => 'vn', // Vietnamese
'zh' => 'hk', // Chinese (China)
'zh_CN' => 'ch', // Chinese (Simplified)
'zh_HK' => 'hk', // Chinese (Simplified Hong Kong)
'zh_Hans_CN' => 'ch' // Chinese (Simplified Han)
];
/**
* Dependencies for locales
* This is a reverse mapping for the built-in languages within $this->languages that contain 5-letter codes.
*
* @var array
*/
protected $localeDependencies = [
'pt_BR' => ['pt'],
'fr_CA' => ['fr']
];
public function __construct()
{
// Allow user-defined locales
foreach ($GLOBALS['TYPO3_CONF_VARS']['SYS']['localization']['locales']['user'] ?? [] as $locale => $name) {
if (!isset($this->languages[$locale])) {
$this->languages[$locale] = $name;
}
// Initializes the locale dependencies with TYPO3 supported locales
if (strlen($locale) === 5) {
$this->localeDependencies[$locale] = [substr($locale, 0, 2)];
}
}
// Merge user-provided locale dependencies
if (is_array($GLOBALS['TYPO3_CONF_VARS']['SYS']['localization']['locales']['dependencies'] ?? null)) {
$this->localeDependencies = array_replace_recursive(
$this->localeDependencies,
$GLOBALS['TYPO3_CONF_VARS']['SYS']['localization']['locales']['dependencies']
);
}
}
/**
* Returns the locales.
*
* @return array
*/
public function getLocales()
{
return array_keys($this->languages);
}
/**
* Returns the supported languages indexed by their corresponding locale.
*
* @return array
*/
public function getLanguages()
{
return $this->languages;
}
/**
* Returns the mapping between TYPO3 (old) language codes and ISO codes.
*
* @return array
*/
public function getIsoMapping()
{
return array_flip($this->isoReverseMapping);
}
/**
* Returns the dependencies of a given locale, if any.
*
* @param string $locale
* @return array
*/
public function getLocaleDependencies($locale)
{
$dependencies = [];
if (isset($this->localeDependencies[$locale])) {
$dependencies = $this->localeDependencies[$locale];
// Search for dependencies recursively
$localeDependencies = $dependencies;
foreach ($localeDependencies as $dependency) {
if (isset($this->localeDependencies[$dependency])) {
$dependencies = array_merge($dependencies, $this->getLocaleDependencies($dependency));
}
}
}
return $dependencies;
}
/**
* Converts the language codes that we get from the client (usually HTTP_ACCEPT_LANGUAGE)
* into a TYPO3-readable language code
*
* @param string $languageCodesList List of language codes. something like 'de,en-us;q=0.9,de-de;q=0.7,es-cl;q=0.6,en;q=0.4,es;q=0.3,zh;q=0.1'
* @return string A preferred language that TYPO3 supports, or "default" if none found
*/
public function getPreferredClientLanguage($languageCodesList)
{
$allLanguageCodesFromLocales = ['en' => 'default'];
foreach ($this->isoReverseMapping as $isoLang => $typo3Lang) {
$isoLang = str_replace('_', '-', $isoLang);
$allLanguageCodesFromLocales[$isoLang] = $typo3Lang;
}
foreach ($this->getLocales() as $locale) {
$locale = str_replace('_', '-', $locale);
$allLanguageCodesFromLocales[$locale] = $locale;
}
$selectedLanguage = 'default';
$preferredLanguages = GeneralUtility::trimExplode(',', $languageCodesList);
// Order the preferred languages after they key
$sortedPreferredLanguages = [];
foreach ($preferredLanguages as $preferredLanguage) {
$quality = 1.0;
if (strpos($preferredLanguage, ';q=') !== false) {
[$preferredLanguage, $quality] = explode(';q=', $preferredLanguage);
}
$sortedPreferredLanguages[$preferredLanguage] = $quality;
}
// Loop through the languages, with the highest priority first
arsort($sortedPreferredLanguages, SORT_NUMERIC);
foreach ($sortedPreferredLanguages as $preferredLanguage => $quality) {
if (isset($allLanguageCodesFromLocales[$preferredLanguage])) {
$selectedLanguage = $allLanguageCodesFromLocales[$preferredLanguage];
break;
}
// Strip the country code from the end
[$preferredLanguage, ] = explode('-', $preferredLanguage);
if (isset($allLanguageCodesFromLocales[$preferredLanguage])) {
$selectedLanguage = $allLanguageCodesFromLocales[$preferredLanguage];
break;
}
}
if (!$selectedLanguage || $selectedLanguage === 'en') {
$selectedLanguage = 'default';
}
return $selectedLanguage;
}
/**
* Setting locale based on a SiteLanguage's defined locale.
* Used for frontend rendering, previously set within TSFE->settingLocale
*
* @param SiteLanguage $siteLanguage
* @return bool whether the locale was found on the system (and could be set properly) or not
*/
public static function setSystemLocaleFromSiteLanguage(SiteLanguage $siteLanguage): bool
{
$locale = $siteLanguage->getLocale();
// No locale was given, so return false;
if (!$locale) {
return false;
}
$availableLocales = GeneralUtility::trimExplode(',', $locale, true);
// If LC_NUMERIC is set e.g. to 'de_DE' PHP parses float values locale-aware resulting in strings with comma
// as decimal point which causes problems with value conversions - so we set all locale types except LC_NUMERIC
// @see https://bugs.php.net/bug.php?id=53711
$locale = setlocale(LC_COLLATE, ...$availableLocales);
if ($locale) {
// As str_* methods are locale aware and turkish has no upper case I
// Class autoloading and other checks depending on case changing break with turkish locale LC_CTYPE
// @see http://bugs.php.net/bug.php?id=35050
if (strpos($locale, 'tr') !== 0) {
setlocale(LC_CTYPE, ...$availableLocales);
}
setlocale(LC_MONETARY, ...$availableLocales);
setlocale(LC_TIME, ...$availableLocales);
} else {
GeneralUtility::makeInstance(LogManager::class)
->getLogger(__CLASS__)
->error('Locale "' . htmlspecialchars($siteLanguage->getLocale()) . '" not found.');
return false;
}
return true;
}
}