use Friendica\BaseObject;
use Friendica\Database\DBA;
-use Friendica\Core\System;
-
-require_once 'boot.php';
-require_once 'include/dba.php';
/**
- * Provide Languange, Translation, and Localisation functions to the application
- * Localisation can be referred to by the numeronym L10N (as in: "L", followed by ten more letters, and then "N").
+ * Provide Language, Translation, and Localization functions to the application
+ * Localization can be referred to by the numeronym L10N (as in: "L", followed by ten more letters, and then "N").
*/
class L10n extends BaseObject
{
/**
- * @brief get the prefered language from the HTTP_ACCEPT_LANGUAGE header
+ * A string indicating the current language used for translation:
+ * - Two-letter ISO 639-1 code.
+ * - Two-letter ISO 639-1 code + dash + Two-letter ISO 3166-1 alpha-2 country code.
+ * @var string
+ */
+ private static $lang = '';
+ /**
+ * A language code saved for later after pushLang() has been called.
+ *
+ * @var string
+ */
+ private static $langSave = '';
+
+ /**
+ * An array of translation strings whose key is the neutral english message.
+ *
+ * @var array
+ */
+ private static $strings = [];
+ /**
+ * An array of translation strings saved for later after pushLang() has been called.
+ *
+ * @var array
+ */
+ private static $stringsSave = [];
+
+ /**
+ * Detects the language and sets the translation table
+ */
+ public static function init()
+ {
+ $lang = self::detectLanguage();
+ self::loadTranslationTable($lang);
+ }
+
+ /**
+ * Returns the current language code
+ *
+ * @return string Language code
+ */
+ public static function getCurrentLang()
+ {
+ return self::$lang;
+ }
+
+ /**
+ * Sets the language session variable
+ */
+ public static function setSessionVariable()
+ {
+ if (!empty($_SESSION['authenticated']) && empty($_SESSION['language'])) {
+ $_SESSION['language'] = self::$lang;
+ // we haven't loaded user data yet, but we need user language
+ if (!empty($_SESSION['uid'])) {
+ $user = DBA::selectFirst('user', ['language'], ['uid' => $_SESSION['uid']]);
+ if (DBA::isResult($user)) {
+ $_SESSION['language'] = $user['language'];
+ }
+ }
+ }
+
+ if (isset($_GET['lang'])) {
+ $_SESSION['language'] = $_GET['lang'];
+ }
+ }
+
+ public static function setLangFromSession()
+ {
+ if (!empty($_SESSION['language']) && $_SESSION['language'] !== self::$lang) {
+ self::loadTranslationTable($_SESSION['language']);
+ }
+ }
+
+ /**
+ * @brief Returns the preferred language from the HTTP_ACCEPT_LANGUAGE header
+ * @return string The two-letter language code
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
- public static function getBrowserLanguage()
+ public static function detectLanguage()
{
$lang_list = [];
- if (x($_SERVER, 'HTTP_ACCEPT_LANGUAGE')) {
+ if (!empty($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
// break up string into pieces (languages and q factors)
preg_match_all('/([a-z]{1,8}(-[a-z]{1,8})?)\s*(;\s*q\s*=\s*(1|0\.[0-9]+))?/i', $_SERVER['HTTP_ACCEPT_LANGUAGE'], $lang_parse);
}
}
+ if (isset($_GET['lang'])) {
+ $lang_list = [$_GET['lang']];
+ }
+
// check if we have translations for the preferred languages and pick the 1st that has
foreach ($lang_list as $lang) {
if ($lang === 'en' || (file_exists("view/lang/$lang") && is_dir("view/lang/$lang"))) {
}
/**
- * @param string $language language
+ * This function should be called before formatting messages in a specific target language
+ * different from the current user/system language.
+ *
+ * It saves the current translation strings in a separate variable and loads new translations strings.
+ *
+ * If called repeatedly, it won't save the translation strings again, just load the new ones.
+ *
+ * @see popLang()
+ * @brief Stores the current language strings and load a different language.
+ * @param string $lang Language code
+ * @throws \Exception
*/
- public static function pushLang($language)
+ public static function pushLang($lang)
{
- $a = self::getApp();
-
- $a->langsave = Config::get('system', 'language');
+ if (!self::$lang) {
+ self::init();
+ }
- if ($language === $a->langsave) {
+ if ($lang === self::$lang) {
return;
}
- if (isset($a->strings) && count($a->strings)) {
- $a->stringsave = $a->strings;
+ if (!self::$langSave) {
+ self::$langSave = self::$lang;
+ self::$stringsSave = self::$strings;
}
- $a->strings = [];
- self::loadTranslationTable($language);
- Config::set('system', 'language', $language);
+
+ self::loadTranslationTable($lang);
}
/**
- * Pop language off the top of the stack
+ * Restores the original user/system language after having used pushLang()
*/
public static function popLang()
{
- $a = self::getApp();
-
- if (Config::get('system', 'language') === $a->langsave) {
+ if (!self::$langSave) {
return;
}
- if (isset($a->stringsave)) {
- $a->strings = $a->stringsave;
- } else {
- $a->strings = [];
- }
+ self::$strings = self::$stringsSave;
+ self::$lang = self::$langSave;
- Config::set('system', 'language', $a->langsave);
+ self::$stringsSave = [];
+ self::$langSave = '';
}
/**
- * load string translation table for alternate language
+ * Loads string translation table
+ *
+ * First addon strings are loaded, then globals
*
- * first addon strings are loaded, then globals
+ * Uses an App object shim since all the strings files refer to $a->strings
*
* @param string $lang language code to load
+ * @throws \Exception
*/
- public static function loadTranslationTable($lang)
+ private static function loadTranslationTable($lang)
{
- $a = self::getApp();
+ if ($lang === self::$lang) {
+ return;
+ }
+ $a = new \stdClass();
$a->strings = [];
+
// load enabled addons strings
$addons = DBA::select('addon', ['name'], ['installed' => true]);
while ($p = DBA::fetch($addons)) {
if (file_exists("view/lang/$lang/strings.php")) {
include "view/lang/$lang/strings.php";
}
+
+ self::$lang = $lang;
+ self::$strings = $a->strings;
+
+ unset($a);
}
/**
*/
public static function t($s, ...$vars)
{
- $a = self::getApp();
-
if (empty($s)) {
return '';
}
- if (x($a->strings, $s)) {
- $t = $a->strings[$s];
+ if (!self::$lang) {
+ self::init();
+ }
+
+ if (!empty(self::$strings[$s])) {
+ $t = self::$strings[$s];
$s = is_array($t) ? $t[0] : $t;
}
*
* @param string $singular
* @param string $plural
- * @param int $count
+ * @param int $count
* @return string
+ * @throws \Exception
*/
public static function tt($singular, $plural, $count)
{
- $a = self::getApp();
+ if (!is_numeric($count)) {
+ Logger::log('Non numeric count called by ' . System::callstack(20));
+ }
- $lang = Config::get('system', 'language');
+ if (!self::$lang) {
+ self::init();
+ }
- if (!empty($a->strings[$singular])) {
- $t = $a->strings[$singular];
+ if (!empty(self::$strings[$singular])) {
+ $t = self::$strings[$singular];
if (is_array($t)) {
- $plural_function = 'string_plural_select_' . str_replace('-', '_', $lang);
+ $plural_function = 'string_plural_select_' . str_replace('-', '_', self::$lang);
if (function_exists($plural_function)) {
$i = $plural_function($count);
} else {
/**
* Provide a fallback which will not collide with a function defined in any language file
+ *
+ * @param int $n
+ * @return bool
*/
private static function stringPluralSelectDefault($n)
{
return $n != 1;
}
-
-
/**
* @brief Return installed languages codes as associative array
*
}
return $langs;
}
+
+ /**
+ * @brief Translate days and months names.
+ *
+ * @param string $s String with day or month name.
+ * @return string Translated string.
+ */
+ public static function getDay($s)
+ {
+ $ret = str_replace(['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday', 'Sunday'],
+ [self::t('Monday'), self::t('Tuesday'), self::t('Wednesday'), self::t('Thursday'), self::t('Friday'), self::t('Saturday'), self::t('Sunday')],
+ $s);
+
+ $ret = str_replace(['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'],
+ [self::t('January'), self::t('February'), self::t('March'), self::t('April'), self::t('May'), self::t('June'), self::t('July'), self::t('August'), self::t('September'), self::t('October'), self::t('November'), self::t('December')],
+ $ret);
+
+ return $ret;
+ }
+
+ /**
+ * @brief Translate short days and months names.
+ *
+ * @param string $s String with short day or month name.
+ * @return string Translated string.
+ */
+ public static function getDayShort($s)
+ {
+ $ret = str_replace(['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
+ [self::t('Mon'), self::t('Tue'), self::t('Wed'), self::t('Thu'), self::t('Fri'), self::t('Sat'), self::t('Sun')],
+ $s);
+
+ $ret = str_replace(['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
+ [self::t('Jan'), self::t('Feb'), self::t('Mar'), self::t('Apr'), self::t('May'), ('Jun'), self::t('Jul'), self::t('Aug'), self::t('Sep'), self::t('Oct'), self::t('Nov'), self::t('Dec')],
+ $ret);
+
+ return $ret;
+ }
+
+ /**
+ * Load poke verbs
+ *
+ * @return array index is present tense verb
+ * value is array containing past tense verb, translation of present, translation of past
+ * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+ * @hook poke_verbs pokes array
+ */
+ public static function getPokeVerbs()
+ {
+ // index is present tense verb
+ // value is array containing past tense verb, translation of present, translation of past
+ $arr = [
+ 'poke' => ['poked', self::t('poke'), self::t('poked')],
+ 'ping' => ['pinged', self::t('ping'), self::t('pinged')],
+ 'prod' => ['prodded', self::t('prod'), self::t('prodded')],
+ 'slap' => ['slapped', self::t('slap'), self::t('slapped')],
+ 'finger' => ['fingered', self::t('finger'), self::t('fingered')],
+ 'rebuff' => ['rebuffed', self::t('rebuff'), self::t('rebuffed')],
+ ];
+
+ Hook::callAll('poke_verbs', $arr);
+
+ return $arr;
+ }
}