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YamlFileLoader.php
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YamlFileLoader.php
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<?php
namespace BeSimple\I18nRoutingBundle\Routing\Loader;
use BeSimple\I18nRoutingBundle\Routing\I18nRoute;
use Symfony\Component\Config\Resource\FileResource;
use Symfony\Component\Routing\Loader\YamlFileLoader as BaseYamlFileLoader;
use Symfony\Component\Routing\Route;
use Symfony\Component\Routing\RouteCollection;
use Symfony\Component\Yaml\Yaml;
class YamlFileLoader extends BaseYamlFileLoader
{
private static $availableKeys = array(
'locales', 'type', 'resource', 'prefix', 'pattern', 'options', 'defaults', 'requirements'
);
/**
* {@inheritDoc}
*/
public function load($file, $type = null)
{
$path = $this->locator->locate($file);
$config = Yaml::load($path);
$collection = new RouteCollection();
$collection->addResource(new FileResource($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 = $this->normalizeRouteConfig($config);
if (isset($config['resource'])) {
$type = isset($config['type']) ? $config['type'] : null;
$prefix = isset($config['prefix']) ? $config['prefix'] : null;
$this->setCurrentDir(dirname($path));
$collection->addCollection($this->import($config['resource'], $type), $prefix);
} elseif (isset($config['pattern']) || isset($config['locales'])) {
$this->parseRoute($collection, $name, $config, $path);
} else {
throw new \InvalidArgumentException(sprintf('Unable to parse the "%s" route.', $name));
}
}
return $collection;
}
/**
* {@inheritDoc}
*/
protected function parseRoute(RouteCollection $collection, $name, $config, $file)
{
$defaults = isset($config['defaults']) ? $config['defaults'] : array();
$requirements = isset($config['requirements']) ? $config['requirements'] : array();
$options = isset($config['options']) ? $config['options'] : array();
if (isset($config['locales'])) {
$route = new I18nRoute($name, $config['locales'], $defaults, $requirements, $options);
$collection->addCollection($route->getCollection());
} elseif (isset($config['pattern'])) {
$route = new Route($config['pattern'], $defaults, $requirements, $options);
$collection->add($name, $route);
} else {
throw new \InvalidArgumentException(sprintf('You must define a "pattern" for the "%s" route.', $name));
}
}
/**
* {@inheritDoc}
*/
private function normalizeRouteConfig(array $config)
{
foreach ($config as $key => $value) {
if (!in_array($key, self::$availableKeys)) {
throw new \InvalidArgumentException(sprintf(
'Yaml routing loader does not support given key: "%s". Expected one of the (%s).',
$key, implode(', ', self::$availableKeys)
));
}
}
return $config;
}
}