/**
* Initializer. Checks if the configured path exists.
*
* @return void
* @throws \Exception
*/
protected function _init()
{
parent::_init();
if (!is_dir($this->_config['path'])) {
throw new Exception("Cldr directory does not exist at `{$this->_config['path']}`");
}
}
/**
* Merges an item into given data and unescapes fields.
*
* Please note that items with an id containing exclusively whitespace characters
* are **not** being merged. Whitespace characters are space, tab, vertical tab,
* line feed, carriage return and form feed.
*
* @param array $data Data to merge item into.
* @param array $item Item to merge into $data.
* @return array The merged data.
* @see lithium\g11n\catalog\adapter\Base::_merge()
*/
protected function _merge($data, $item)
{
$filter = function ($value) use(&$filter) {
if (is_array($value)) {
return array_map($filter, $value);
}
$value = stripcslashes($value);
$value = ctype_space($value) ? null : $value;
return $value;
};
$fields = array('id', 'ids', 'translated');
foreach ($fields as $field) {
if (isset($item[$field])) {
$item[$field] = $filter($item[$field]);
}
}
return parent::_merge($data, $item);
}
/**
* Merges an item into given data and removes quotation marks
* from the beginning and end of message strings.
*
* @param array $data Data to merge item into.
* @param array $item Item to merge into $data.
* @return array The merged data.
* @see lithium\g11n\catalog\adapter\Base::_merge()
*/
protected function _merge($data, $item)
{
array_walk($item['ids'], function (&$value) {
$value = substr($value, 1, -1);
});
return parent::_merge($data, $item);
}