public function load($file, $type = null)
{
$path = $this->locator->locate($file);
$config = Yaml::parse($path);
$collection = new TrailCollection();
$collection->addResource(new FileResource($path));
// empty file
if (null === $config) {
$config = array();
}
// not an array
if (!is_array($config)) {
throw new \InvalidArgumentException(sprintf('The file "%s" must contain a YAML array.', $file));
}
foreach ($config as $name => $config) {
$config = $this->normalizeTrailConfig($config);
if (isset($config['resource'])) {
$root = isset($config['root']) ? $config['root'] : null;
$type = isset($config['type']) ? $config['type'] : null;
$this->setCurrentDir(dirname($path));
$collection->addCollection($this->import($config['resource'], $type, false, $file), $root);
} else {
$this->parseTrail($collection, $name, $config, $path);
}
}
return $collection;
}
