protected function prepare()
{
if (PATCHWORK_I18N) {
$this->lang = Patchwork::__LANG__();
if (!isset($this->alt)) {
$a = array();
$base = preg_quote($_SERVER['PATCHWORK_BASE'], "'");
$base = explode('__', $base, 2);
$base[1] = '/' === $base[1] ? '[^?/]+(/?)' : ".+?({$base[1]})";
$base = "'^({$base[0]}){$base[1]}(.*)\$'D";
if (preg_match($base, Patchwork::__URI__(), $base)) {
unset($base[0]);
foreach ($GLOBALS['CONFIG']['i18n.lang_list'] as $k => $v) {
if ('' === $k) {
continue;
}
$v = $base[1] . $v . $base[2] . ($this->lang === $k ? $base[3] : Patchwork::translateRequest($base[3], $k));
$a[] = (object) array('lang' => $k, 'title' => isset(self::$nativeLang[$k]) ? self::$nativeLang[$k] : $k, 'href' => $v);
}
} else {
user_error('Something is wrong between Patchwork::__URI__() and PATCHWORK_BASE');
}
$this->alt =& $a;
}
return count($this->alt);
} else {
return 0;
}
}
