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- <?php
- /*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
- namespace Symfony\Bridge\Twig\Translation;
- use Symfony\Component\Finder\Finder;
- use Symfony\Component\Translation\Extractor\AbstractFileExtractor;
- use Symfony\Component\Translation\Extractor\ExtractorInterface;
- use Symfony\Component\Translation\MessageCatalogue;
- use Twig\Environment;
- use Twig\Error\Error;
- use Twig\Source;
- /**
- * TwigExtractor extracts translation messages from a twig template.
- *
- * @author Michel Salib <michelsalib@hotmail.com>
- * @author Fabien Potencier <fabien@symfony.com>
- */
- class TwigExtractor extends AbstractFileExtractor implements ExtractorInterface
- {
- /**
- * Default domain for found messages.
- *
- * @var string
- */
- private $defaultDomain = 'messages';
- /**
- * Prefix for found message.
- *
- * @var string
- */
- private $prefix = '';
- private $twig;
- public function __construct(Environment $twig)
- {
- $this->twig = $twig;
- }
- /**
- * {@inheritdoc}
- */
- public function extract($resource, MessageCatalogue $catalogue)
- {
- foreach ($this->extractFiles($resource) as $file) {
- try {
- $this->extractTemplate(file_get_contents($file->getPathname()), $catalogue);
- } catch (Error $e) {
- // ignore errors, these should be fixed by using the linter
- }
- }
- }
- /**
- * {@inheritdoc}
- */
- public function setPrefix(string $prefix)
- {
- $this->prefix = $prefix;
- }
- protected function extractTemplate(string $template, MessageCatalogue $catalogue)
- {
- $visitor = $this->twig->getExtension('Symfony\Bridge\Twig\Extension\TranslationExtension')->getTranslationNodeVisitor();
- $visitor->enable();
- $this->twig->parse($this->twig->tokenize(new Source($template, '')));
- foreach ($visitor->getMessages() as $message) {
- $catalogue->set(trim($message[0]), $this->prefix.trim($message[0]), $message[1] ?: $this->defaultDomain);
- }
- $visitor->disable();
- }
- /**
- * @return bool
- */
- protected function canBeExtracted(string $file)
- {
- return $this->isFile($file) && 'twig' === pathinfo($file, \PATHINFO_EXTENSION);
- }
- /**
- * {@inheritdoc}
- */
- protected function extractFromDirectory($directory)
- {
- $finder = new Finder();
- return $finder->files()->name('*.twig')->in($directory);
- }
- }
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