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[airbundle] / 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 }