vendor/willdurand/js-translation-bundle/DependencyInjection/Compiler/TranslationResourceFilesPass.php

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<?php

namespace Bazinga\Bundle\JsTranslationBundle\DependencyInjection\Compiler;

use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
use Symfony\Component\DependencyInjection\ContainerBuilder;
use Symfony\Component\DependencyInjection\Exception\OutOfBoundsException;

/**
 * @author Hugo MONTEIRO <hugo.monteiro@gmail.com>
 */
class TranslationResourceFilesPass implements CompilerPassInterface
{
    public function process(ContainerBuilder $container)
    {
        if (!$container->has('translator.default')) {
            return;
        }

        $translationFiles = $this->getTranslationFilesFromAddResourceCalls($container);
        $translationFiles = array_merge($translationFiles, $this->getTranslationFiles($container));

        $container->getDefinition('bazinga.jstranslation.translation_finder')->replaceArgument(0, $translationFiles);
    }

    private function getTranslationFilesFromAddResourceCalls(ContainerBuilder $container)
    {
        $translationFiles = array();

        $methodCalls = $container->findDefinition('translator.default')->getMethodCalls();
        foreach ($methodCalls as $methodCall) {
            if ($methodCall[0] === 'addResource') {
                $locale = $methodCall[1][2];
                $filename = $methodCall[1][1];

                if (!isset($translationFiles[$locale])) {
                    $translationFiles[$locale] = array();
                }

                $translationFiles[$locale][] = $filename;
            }
        }

        return $translationFiles;
    }

    private function getTranslationFiles(ContainerBuilder $container)
    {
        $translationFiles = array();
        $translator = $container->findDefinition('translator.default');

        try {
            $translatorOptions = $translator->getArgument(4);
        } catch (OutOfBoundsException $e) {
            $translatorOptions = array();
        }

        $translatorOptions = array_merge($translatorOptions, $translator->getArgument(3));
        
        if (isset($translatorOptions['resource_files'])) {