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<?php
/**
* Languages/translation handler class
*
* @version 1.0
* @package JoomlaTune.Framework
* @subpackage Language
* @author Dmitry M. Litvinov
* @copyright 2008
* @access public
*/
// Check for double include
if (!defined('JOOMLATUNE_LANGUAGE')) {
define('JOOMLATUNE_LANGUAGE', 1);
/**
* Languages/translation handler class
*
* @access public
* @package JoomlaTune.Framework
* @subpackage Language
*/
class JoomlaTuneLanguage
{
var $currentLanguage = null;
var $root = null;
var $languages = null;
/**
* A hack to support __construct() on PHP 4
*
* @access public
* @return JoomlaTuneLanguage
*/
function JoomlaTuneLanguage()
{
$args = func_get_args();
call_user_func_array(array(&$this, '__construct'), $args);
}
/**
* Class constructor, overridden in descendant classes.
*
* @access protected
*/
function __construct()
{
$this->root = dirname(__FILE__);
$this->languages = array(array());
}
/**
* Returns a reference to the global JoomlaTuneLanguage object, only creating it
* if it doesn't already exist.
*
* This method must be invoked as:
* <pre> $lang =& JoomlaTuneLanguage::getInstance();</pre>
*
* @static
* @param string $language
* @return JoomlaTuneLanguage $instance
*/
function &getInstance( $language = null )
{
/**
* $instance JoomlaTuneLanguage
*/
static $instance = null;
if (!is_object($instance)) {
$instance = new JoomlaTuneLanguage();
}
if (isset($language)) {
$instance->load($language, '');
$instance->setLanguage($language);
}
return $instance;
}
/**
* Return current language
*
* @access public
* @return string
*/
function getLanguage()
{
return $this->currentLanguage;
}
/**
* Set current language
*
* @param string $language
* @access public
* @return void
*/
function setLanguage( $language )
{
$this->currentLanguage = trim($language);
}
/**
* Return root path to language files
*
* @access public
* @return string
*/
function getRoot()
{
return $this->root;
}
/**
* Sets root path to language files
*
* @access public
* @param string $directory
* @return void
*/
function setRoot( $directory )
{
$this->root = trim($directory);
}
/**
* Unload language variables for given language
*
* @access public
* @param string $language
* @return void
*/
function unload( $language )
{
$this->languages[$language] = array();
}
/**
* Load all languages files from languages' root directory
*
* @access public
* @param string $language
* @return void
*/
function loadAll( $language )
{
$fileNames = glob($this->getRoot . "*.ini");
foreach ($fileNames as $fileName) {
if (preg_match('/' . $language . '/', $fileName)) {
$this->load($fileName);
}
}
}
/**
* Translates a string into the current language
*
* @static
* @access public
* @param string $string The string to translate
* @param boolean $jsSafe Make the result javascript safe
* @return string
*/
function _( $string, $jsSafe = false )
{
if (isset($this->languages[$this->currentLanguage])) {
$key = trim($string);
$key = strtoupper($key);
if (isset($this->languages[$this->currentLanguage][$key])) {
$string = $this->languages[$this->currentLanguage][$key];
}
}
if ($jsSafe) {
$string = addslashes($string);
}
return $string;
}
/**
* Loads a single language file and appends the results to the existing strings
*
* @access public
* @param string $language The language to load
* @param string $section The language file name suffix
* @return void
*/
function load( $language, $section = '' )
{
$fileName = $language . ($section != '' ? '.' . $section : '') . '.ini';
$pathFile = $this->root . DS . $fileName;
if (is_file($pathFile)) {
if (!isset($this->languages[$language])) {
$this->languages[$language] = array();
$this->setLanguage($language);
}
$lines = file($pathFile);
foreach ($lines as $line) {
if (!preg_match('/^(#|;)/', $line)) {
$s = split('=', $line, 2);
if (count($s) >= 2) {
$this->languages[$language][strtoupper(trim($s[0]))] = trim($s[1]);
}
}
}
unset($lines);
} else {
echo 'File "' . $fileName . '" not found in "' . $this->root . '"';
}
}
}
}
?>
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