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<?php |
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/** |
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* Loads bundles from list of bundles implementing GravitonBundleInterface |
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*/ |
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namespace Graviton\BundleBundle\Loader; |
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use Graviton\BundleBundle\GravitonBundleBundle; |
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use Graviton\BundleBundle\GravitonBundleInterface; |
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/** |
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* BundleLoader |
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* |
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* This class loads additional bundles if a module implements |
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* GravitonBundleInterface. |
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* It does not check for circularity so we need to take care of only loading |
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* GravitonBundles through this in the rare exception case. |
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* |
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* @author List of contributors <https://github.com/libgraviton/graviton/graphs/contributors> |
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License |
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* @link http://swisscom.ch |
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*/ |
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class BundleLoader |
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{ |
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/** |
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* stack used during loading of bundles |
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* |
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* @var \Symfony\Component\HttpKernel\Bundle\Bundle[] |
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*/ |
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protected $bundleStack = array(); |
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/** |
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* final compilation of bundles |
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* |
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* @var \Symfony\Component\HttpKernel\Bundle\Bundle[] |
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*/ |
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protected $finalBundles = array(); |
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/** |
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* create and kickstart BundleLoader |
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* |
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* @param GravitonBundleBundle $bundleBundle inject kickstart bundle here |
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*/ |
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public function __construct(GravitonBundleBundle $bundleBundle) |
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{ |
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$this->bundleStack = array($bundleBundle); |
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} |
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/** |
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* load bundles |
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* |
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* @param \Symfony\Component\HttpKernel\Bundle\Bundle[] $bundles pre-loaded bundles |
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* |
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* @return \Symfony\Component\HttpKernel\Bundle\Bundle[] |
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*/ |
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public function load(array $bundles) |
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{ |
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$this->finalBundles = $bundles; |
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while (!empty($this->bundleStack)) { |
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$bundle = array_shift($this->bundleStack); |
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$this->addBundle($bundle); |
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} |
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return $this->finalBundles; |
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} |
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/** |
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* add bundles |
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* |
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* adds all bundles to finalBundles. |
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* adds the results of getBundles to bundleStack if GravitonBundleInterface |
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* was implemented. |
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* |
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* @param mixed $bundle various flavours of bundles |
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* |
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* @return void |
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*/ |
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private function addBundle($bundle) |
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{ |
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if (!in_array($bundle, $this->finalBundles)) { |
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if ($bundle instanceof GravitonBundleInterface) { |
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$this->bundleStack = array_merge( |
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$this->bundleStack, |
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$bundle->getBundles() |
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); |
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} |
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$this->finalBundles[] = $bundle; |
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} |
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} |
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} |
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libgraviton /
graviton
