/**
* Compiles the CSS using the engine and caches the result
* @access public
* @param $source Scaffold_Source
* @return array
*/
public function compile(Scaffold_Source $source)
{
$id = $source->id();
$modified = $source->last_modified();
$expired = $this->cache->expired($id, $modified);
if ($this->production === false or $expired === true) {
$this->cache->set($id, $this->parse($source));
}
$result = array();
$result['string'] = $this->cache->get($id);
$result['last_modified'] = $this->cache->modified($id);
return $result;
}
/**
* Saves the contents of the source object
* @access public
* @param $source Scaffold_Source
* @return void
*/
public function save(Scaffold_Source $source)
{
$this->cache->set($source->id, $source->get(), $source->last_modified);
}
