protected function setOptionDefaults(&$storage, $options, $level = 0) {
foreach ($options as $option => $definition) {
if (isset($definition['contains']) && is_array($definition['contains'])) {
$storage[$option] = array();
$this
->setOptionDefaults($storage[$option], $definition['contains'], $level++);
}
elseif (!empty($definition['translatable']) && !empty($definition['default'])) {
$storage[$option] = t($definition['default']);
}
else {
$storage[$option] = isset($definition['default']) ? $definition['default'] : NULL;
}
}
}