protected function &loadData($filename)
{
$mo = TGettext::factory('MO', $filename);
$mo->load();
$result = $mo->toArray();
$results = array();
$count = 0;
foreach ($result['strings'] as $source => $target) {
$results[$source][] = $target;
//target
$results[$source][] = $count++;
//id
$results[$source][] = '';
//comments
}
return $results;
}