X-Git-Url: https://git.rapsys.eu/.gitweb.cgi/airbundle/blobdiff_plain/6d559592884a83affaa17a2420c478baa6046077..aef11da75cf6e45dc253f96324905536960fdcce:/DependencyInjection/RapsysAirExtension.php

diff --git a/DependencyInjection/RapsysAirExtension.php b/DependencyInjection/RapsysAirExtension.php
index 8866181..76729ae 100644
--- a/DependencyInjection/RapsysAirExtension.php
+++ b/DependencyInjection/RapsysAirExtension.php
@@ -3,44 +3,87 @@
 namespace Rapsys\AirBundle\DependencyInjection;
 
 use Symfony\Component\DependencyInjection\ContainerBuilder;
-use Symfony\Component\Config\FileLocator;
-use Symfony\Component\HttpKernel\DependencyInjection\Extension;
-use Symfony\Component\DependencyInjection\Loader;
+use Symfony\Component\DependencyInjection\Extension\Extension;
+use Symfony\Component\DependencyInjection\Extension\PrependExtensionInterface;
+use Symfony\Component\Translation\Loader\ArrayLoader;
 
 /**
  * This is the class that loads and manages your bundle configuration.
  *
  * @link http://symfony.com/doc/current/cookbook/bundles/extension.html
  */
-class RapsysAirExtension extends Extension {
+class RapsysAirExtension extends Extension implements PrependExtensionInterface {
 	/**
+	 * Prepend the configuration
+	 *
+	 * @desc Preload the configuration to allow sourcing as parameters
 	 * {@inheritdoc}
 	 */
-	public function load(array $configs, ContainerBuilder $container) {
-		$loader = new Loader\YamlFileLoader($container, new FileLocator('config/packages'));
-		$loader->load($this->getAlias().'.yaml');
+	public function prepend(ContainerBuilder $container) {
+		//Process the configuration
+		$configs = $container->getExtensionConfig($this->getAlias());
+
+		//Load configuration
+		$configuration = $this->getConfiguration($configs, $container);
 
-		$configuration = new Configuration();
+		//Process the configuration to get merged config
 		$config = $this->processConfiguration($configuration, $configs);
 
-		//Set default config in parameter
-		if (!$container->hasParameter($alias = $this->getAlias())) {
-			$container->setParameter($alias, $config[$alias]);
-		} else {
-			$config[$alias] = $container->getParameter($alias);
+		//Detect when no user configuration is provided
+		if ($configs === [[]]) {
+			//Prepend default config
+			$container->prependExtensionConfig($this->getAlias(), $config);
 		}
 
-		//Transform the one level tree in flat parameters
-		foreach($config[$alias] as $k => $v) {
-			//Set is as parameters
-			$container->setParameter($alias.'.'.$k, $v);
+		//Save configuration in parameters
+		$container->setParameter($this->getAlias(), $config);
+
+		//Store flattened array in parameters
+		foreach($this->flatten($config, $this->getAlias()) as $k => $v) {
+			$container->setParameter($k, $v);
 		}
 	}
 
+	/**
+	 * {@inheritdoc}
+	 */
+	public function load(array $configs, ContainerBuilder $container) {
+	}
+
 	/**
 	 * {@inheritdoc}
 	 */
 	public function getAlias() {
 		return 'rapsys_air';
 	}
+
+	/**
+	 * The function that parses the array to flatten it into a one level depth array
+	 *
+	 * @param $array	The config values array
+	 * @param $path		The current key path
+	 * @param $depth	The maxmium depth
+	 * @param $sep		The separator string
+	 */
+	protected function flatten($array, $path = '', $depth = 10, $sep = '.') {
+		//Init res
+		$res = array();
+
+		//Pass through non hashed or empty array
+		if ($depth && is_array($array) && ($array === [] || array_keys($array) === range(0, count($array) - 1))) {
+			$res[$path] = $array;
+		//Flatten hashed array
+		} elseif ($depth && is_array($array)) {
+			foreach($array as $k => $v) {
+				$sub = $path ? $path.$sep.$k:$k;
+				$res += $this->flatten($v, $sub, $depth - 1, $sep);
+			}
+		//Pass scalar value directly
+		} else {
+			$res[$path] = $array;
+		}
+
+		//Return result
+		return $res;
+	}
 }