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                 //Load framework configurations
  24                 //XXX: required to extract default_locale and translation.fallbacks
  25                 $frameworks = $container->getExtensionConfig('framework');
  26
  27                 //Recursively merge framework configurations
  28                 $framework = array_reduce(
  29                         $frameworks,
  30                         function ($res, $i) {
  31                                 return array_merge_recursive($res, $i);
  32                         },
  33                         []
  34                 );
  35
  36                 //Set translator fallbacks
  37                 $container->setParameter('kernel.translator.fallbacks', $framework['translator']['fallbacks']);
  38
  39                 //Process the configuration
  40                 $configs = $container->getExtensionConfig($this->getAlias());
  41
  42                 //Load configuration
  43                 $configuration = $this->getConfiguration($configs, $container);
  44
  45                 //Process the configuration to get merged config
  46                 $config = $this->processConfiguration($configuration, $configs);
  47
  48                 //Detect when no user configuration is provided
  49                 if ($configs === [[]]) {
  50                         //Prepend default config
  51                         $container->prependExtensionConfig($this->getAlias(), $config);
  52                 }
  53
  54                 //Save configuration in parameters
  55                 $container->setParameter($this->getAlias(), $config);
  56
  57                 //Store flattened array in parameters
  58                 //XXX: don't flatten rapsys_air.site.png key which is required to be an array
  59                 foreach($this->flatten($config, $this->getAlias(), 10, '.', ['rapsys_air.site.png', 'rapsys_air.locales']) as $k => $v) {
  60                         $container->setParameter($k, $v);
  61                 }
  62         }
  63
  64         /**
  65          * {@inheritdoc}
  66          */
  67         public function load(array $configs, ContainerBuilder $container) {
  68         }
  69
  70         /**
  71          * {@inheritdoc}
  72          */
  73         public function getAlias() {
  74                 return 'rapsys_air';
  75         }
  76
  77         /**
  78          * The function that parses the array to flatten it into a one level depth array
  79          *
  80          * @param $array        The config values array
  81          * @param $path         The current key path
  82          * @param $depth        The maxmium depth
  83          * @param $sep          The separator string
  84          * @param $skip         The skipped paths array
  85          */
  86         protected function flatten($array, $path = '', $depth = 10, $sep = '.', $skip = []) {
  87                 //Init res
  88                 $res = array();
  89
  90                 //Detect numerical only array
  91                 //count(array_filter($array, function($k) { return !is_numeric($k); }, ARRAY_FILTER_USE_KEY)) == 0
  92                 //array_reduce(array_keys($array), function($c, $k) { return $c += !is_numeric($k); }, 0)
  93
  94                 //Flatten hashed array until depth reach zero
  95                 if ($depth && is_array($array) && $array !== [] && !in_array($path, $skip)) {
  96                         foreach($array as $k => $v) {
  97                                 $sub = $path ? $path.$sep.$k:$k;
  98                                 $res += $this->flatten($v, $sub, $depth - 1, $sep, $skip);
  99                         }
 100                 //Pass scalar value directly
 101                 } else {
 102                         $res[$path] = $array;
 103                 }
 104
 105                 //Return result
 106                 return $res;
 107         }
 108 }