/**
* @param Package $package
*
* @return RuleSet
*/
private function loadPackageRuleSet(Package $package)
{
$ruleSet = new RuleSet();
$key = $package->generatePackageKey();
if ($this->cache->has($key)) {
$ruleSet = $this->cache->getCachedRuleSet($key);
} elseif (is_dir($path = $package->getPackagePath(self::PACKAGE_PATH))) {
$this->traverser->reset();
$ruleSet = $this->traverser->traverse($path);
$this->cache->cacheRuleSet($key, $ruleSet);
} else {
// there is no vendor package in the given path
}
return $ruleSet;
}