Raphaël G. Git Repositories - airbundle/blob - DependencyInjection/RapsysAirExtension.php

   1 <?php
   2
   3 namespace Rapsys\AirBundle\DependencyInjection;
   4
   5 use Symfony\Component\DependencyInjection\ContainerBuilder;
   6 use Symfony\Component\DependencyInjection\Extension\Extension;
   7 use Symfony\Component\DependencyInjection\Extension\PrependExtensionInterface;
   8 use Symfony\Component\Translation\Loader\ArrayLoader;
   9
  10 /**
  11  * This is the class that loads and manages your bundle configuration.
  12  *
  13  * @link http://symfony.com/doc/current/cookbook/bundles/extension.html
  14  */
  15 class RapsysAirExtension extends Extension implements PrependExtensionInterface {
  16         /**
  17          * Prepend the configuration
  18          *
  19          * @desc Preload the configuration to allow sourcing as parameters
  20          * {@inheritdoc}
  21          */
  22         public function prepend(ContainerBuilder $container) {
  23                 //Process the configuration
  24                 $configs = $container->getExtensionConfig($this->getAlias());
  25
  26                 //Load configuration
  27                 $configuration = $this->getConfiguration($configs, $container);
  28
  29                 //Process the configuration to get merged config
  30                 $config = $this->processConfiguration($configuration, $configs);
  31
  32                 //Detect when no user configuration is provided
  33                 if ($configs === [[]]) {
  34                         //Prepend default config
  35                         $container->prependExtensionConfig($this->getAlias(), $config);
  36                 }
  37
  38                 //Save configuration in parameters
  39                 $container->setParameter($this->getAlias(), $config);
  40
  41                 //Store flattened array in parameters
  42                 foreach($this->flatten($config, $this->getAlias()) as $k => $v) {
  43                         $container->setParameter($k, $v);
  44                 }
  45         }
  46
  47         /**
  48          * {@inheritdoc}
  49          */
  50         public function load(array $configs, ContainerBuilder $container) {
  51         }
  52
  53         /**
  54          * {@inheritdoc}
  55          */
  56         public function getAlias() {
  57                 return 'rapsys_air';
  58         }
  59
  60         /**
  61          * The function that parses the array to flatten it into a one level depth array
  62          *
  63          * @param $array        The config values array
  64          * @param $path         The current key path
  65          * @param $depth        The maxmium depth
  66          * @param $sep          The separator string
  67          */
  68         protected function flatten($array, $path = '', $depth = 10, $sep = '.') {
  69                 //Init res
  70                 $res = array();
  71
  72                 //Pass through non hashed or empty array
  73                 if ($depth && is_array($array) && ($array === [] || array_keys($array) === range(0, count($array) - 1))) {
  74                         $res[$path] = $array;
  75                 //Flatten hashed array
  76                 } elseif ($depth && is_array($array)) {
  77                         foreach($array as $k => $v) {
  78                                 $sub = $path ? $path.$sep.$k:$k;
  79                                 $res += $this->flatten($v, $sub, $depth - 1, $sep);
  80                         }
  81                 //Pass scalar value directly
  82                 } else {
  83                         $res[$path] = $array;
  84                 }
  85
  86                 //Return result
  87                 return $res;
  88         }
  89 }