* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Bridge\Twig\Extension; use Symfony\Component\Yaml\Dumper as YamlDumper; use Symfony\Component\Yaml\Yaml; use Twig\Extension\AbstractExtension; use Twig\TwigFilter; /** * Provides integration of the Yaml component with Twig. * * @author Fabien Potencier */ class YamlExtension extends AbstractExtension { /** * {@inheritdoc} */ public function getFilters() { return array( new TwigFilter('yaml_encode', array($this, 'encode')), new TwigFilter('yaml_dump', array($this, 'dump')), ); } public function encode($input, $inline = 0, $dumpObjects = 0) { static $dumper; if (null === $dumper) { $dumper = new YamlDumper(); } if (defined('Symfony\Component\Yaml\Yaml::DUMP_OBJECT')) { if (is_bool($dumpObjects)) { @trigger_error('Passing a boolean flag to toggle object support is deprecated since version 3.1 and will be removed in 4.0. Use the Yaml::DUMP_OBJECT flag instead.', E_USER_DEPRECATED); $flags = $dumpObjects ? Yaml::DUMP_OBJECT : 0; } else { $flags = $dumpObjects; } return $dumper->dump($input, $inline, 0, $flags); } return $dumper->dump($input, $inline, 0, false, $dumpObjects); } public function dump($value, $inline = 0, $dumpObjects = false) { if (is_resource($value)) { return '%Resource%'; } if (is_array($value) || is_object($value)) { return '%'.gettype($value).'% '.$this->encode($value, $inline, $dumpObjects); } return $this->encode($value, $inline, $dumpObjects); } /** * {@inheritdoc} */ public function getName() { return 'yaml'; } }