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<?php
namespace Bitrix\Main\Localization;
use \Bitrix\Main;
use \Bitrix\Main\IO\Path;
use \Bitrix\Main\Context;
final class Loc
{
private static $messages = array();
private static $customMessages = null;
private static $includedFiles = array();
private static $lazyLoadFiles = array();
/**
* Returns translation by message code.
* Loc::loadMessages(__FILE__) should be called first once per php file
*
* @param string $code
* @param array $replace e.g. array("#NUM#"=>5)
* @param string $language
* @throws \Bitrix\Main\ArgumentNullException
* @return string
*/
public static function getMessage($code, $replace = null, $language = null)
{
if($code == '')
throw new Main\ArgumentNullException("code");
if($language === null)
$language = \Bitrix\Main\Context::getCurrent()->getLanguage();
if(!isset(self::$messages[$language][$code]))
self::loadLazy($code, $language);
$s = self::$messages[$language][$code];
if($replace !== null && is_array($replace))
foreach($replace as $search => $repl)
$s = str_replace($search, $repl, $s);
return $s;
}
/**
* Loads language messages for specified file in a lazy way
*
* @param string $file
*/
public static function loadMessages($file)
{
self::$lazyLoadFiles[$file] = $file;
}
/**
* Loads language messages for specified file
*
* @param string $file
* @param string $language
* @return array
*/
public static function loadLanguageFile($file, $language = null)
{
if($language === null)
$language = \Bitrix\Main\Context::getCurrent()->getLanguage();
if(!isset(self::$messages[$language]))
self::$messages[$language] = array();
//first time call only for lang
if(self::$customMessages === null)
self::$customMessages = self::loadCustomMessages($language);
$file = Path::normalize($file);
static $dirCache = array();
//let's find language folder
$langDir = $fileName = "";
$filePath = $file;
while(($slashPos = strrpos($filePath, "/")) !== false)
{
$filePath = substr($filePath, 0, $slashPos);
if(!isset($dirCache[$filePath]))
$dirCache[$filePath] = $isDir = is_dir($filePath."/lang");
else
$isDir = $dirCache[$filePath];
if($isDir)
{
$langDir = $filePath."/lang";
$fileName = substr($file, $slashPos);
break;
}
}
$mess = array();
if($langDir <> "")
{
//load messages for default lang first
$defaultLang = self::getDefaultLang($language);
if($defaultLang <> $language)
{
$langFile = $langDir."/".$defaultLang.$fileName;
if(file_exists($langFile))
$mess = self::includeFile($langFile);
}
//then load messages for specified lang
$langFile = $langDir."/".$language.$fileName;
if(file_exists($langFile))
$mess = array_merge($mess, self::includeFile($langFile));
foreach($mess as $key => $val)
self::$messages[$language][$key] = $val;
}
return $mess;
}
private static function loadLazy($code, $language)
{
if (PHP_VERSION_ID < 50306)
$trace = debug_backtrace(false);
elseif (PHP_VERSION_ID < 50400)
$trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
else
$trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 4);
//$trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 4);
$file = null;
for($i = 3; $i >= 1; $i--)
{
if(stripos($trace[$i]["function"], "GetMessage") === 0)
{
$file = $trace[$i]["file"];
break;
}
}
if($file !== null && isset(self::$lazyLoadFiles[$file]))
{
self::loadLanguageFile($file, $language);
unset(self::$lazyLoadFiles[$file]);
}
else
{
foreach(self::$lazyLoadFiles as $file)
{
self::loadLanguageFile($file, $language);
unset(self::$lazyLoadFiles[$file]);
if(isset(self::$messages[$language][$code]))
break;
}
}
}
/**
* Read messages from user defined lang file
*/
private static function loadCustomMessages($lang)
{
$customMess = array();
$documentRoot = \Bitrix\Main\Application::getDocumentRoot();
if(($fname = Main\Loader::getLocal("php_interface/user_lang/".$lang."/lang.php", $documentRoot)) !== false)
{
$mess = self::includeFile($fname);
// typical call is Loc::loadMessages(__FILE__)
// __FILE__ can differ from path used in the user file
foreach($mess as $key => $val)
$customMess[str_replace("\\", "/", realpath($documentRoot.$key))] = $val;
}
return $customMess;
}
/**
* Read messages from lang file
*/
private static function includeFile($path)
{
self::$includedFiles[$path] = $path;
//the name $MESS is predefined in language files
$MESS = array();
include($path);
//redefine messages from user lang file
if(!empty(self::$customMessages))
{
$path = str_replace("\\", "/", realpath($path));
if(is_array(self::$customMessages[$path]))
foreach(self::$customMessages[$path] as $key => $val)
$MESS[$key] = $val;
}
return $MESS;
}
/**
* Returns default language for specified language. Defualt language is used when translation is not found.
*
* @param string $lang
* @return string
*/
public static function getDefaultLang($lang)
{
static $subst = array('ua'=>'ru', 'kz'=>'ru', 'ru'=>'ru', 'de'=>'de');
if(isset($subst[$lang]))
return $subst[$lang];
return 'en';
}
public static function date($date, Context\Culture $culture = null)
{
if ($culture == null)
$culture = \Bitrix\Main\Context::getCurrent()->getCulture();
return $date;
}
public static function datetime($datetime, Context\Culture $culture = null)
{
if ($culture == null)
$culture = \Bitrix\Main\Context::getCurrent()->getCulture();
return $datetime;
}
public static function money($money, Context\Culture $culture = null)
{
if ($culture == null)
$culture = \Bitrix\Main\Context::getCurrent()->getCulture();
return $money;
}
}