private function parseSource(Source $source, Filter $parentFilter = null)
{
$filter = new Filter($parentFilter, $source->getName(), $source->getExtensions());
foreach ($source->getSources() as $subSource) {
$this->parseSource($subSource, $filter);
}
foreach ($source->getPaths() as $path) {
if (is_dir($path)) {
$this->parseDirectory($path, $filter, $source->getExpand());
} elseif (is_file($path)) {
$filter->addFile($path);
} else {
throw new RuntimeException(sprintf('The path "%s" does not exists.', $path));
}
}
return $filter;
}
