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[airbundle] / DependencyInjection / RapsysAirExtension.php

diff --git a/DependencyInjection/RapsysAirExtension.php b/DependencyInjection/RapsysAirExtension.php
index b901006652ec2c5c6c0885bdf30e568101ac46e5..777a9c145608e923decd749d8ddc85500c8f4b0d 100644 (file)
--- a/DependencyInjection/RapsysAirExtension.php
+++ b/DependencyInjection/RapsysAirExtension.php
@@ -4,17 +4,25 @@ namespace Rapsys\AirBundle\DependencyInjection;
 
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 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) {
+       public function prepend(ContainerBuilder $container) {
+               //Process the configuration
+               $configs = $container->getExtensionConfig($this->getAlias());
+
                //Load configuration
                $configuration = $this->getConfiguration($configs, $container);
 
@@ -29,6 +37,18 @@ class RapsysAirExtension extends Extension {
 
                //Save configuration in parameters
                $container->setParameter($this->getAlias(), $config);
+
+               //Store flattened array in parameters
+               //XXX: don't flatten rapsys_air.site.png key which is required to be an array
+               foreach($this->flatten($config, $this->getAlias(), 10, '.', ['rapsys_air.site.png']) as $k => $v) {
+                       $container->setParameter($k, $v);
+               }
+       }
+
+       /**
+        * {@inheritdoc}
+        */
+       public function load(array $configs, ContainerBuilder $container) {
        }
 
        /**
@@ -37,4 +57,36 @@ class RapsysAirExtension extends Extension {
        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
+        * @param $skip         The skipped paths array
+        */
+       protected function flatten($array, $path = '', $depth = 10, $sep = '.', $skip = []) {
+               //Init res
+               $res = array();
+
+               //Detect numerical only array
+               //count(array_filter($array, function($k) { return !is_numeric($k); }, ARRAY_FILTER_USE_KEY)) == 0
+               //array_reduce(array_keys($array), function($c, $k) { return $c += !is_numeric($k); }, 0)
+
+               //Flatten hashed array until depth reach zero
+               if ($depth && is_array($array) && $array !== [] && !in_array($path, $skip)) {
+                       foreach($array as $k => $v) {
+                               $sub = $path ? $path.$sep.$k:$k;
+                               $res += $this->flatten($v, $sub, $depth - 1, $sep, $skip);
+                       }
+               //Pass scalar value directly
+               } else {
+                       $res[$path] = $array;
+               }
+
+               //Return result
+               return $res;
+       }
 }