1 <?php

     2 

     3 /*

     4  * This file is part of the Symfony package.

     5  *

     6  * (c) Fabien Potencier <fabien@symfony.com>

     7  *

     8  * For the full copyright and license information, please view the LICENSE

     9  * file that was distributed with this source code.

    10  */

    11 

    12 namespace Symfony\Bridge\Twig\Extension;

    13 

    14 use Symfony\Component\Yaml\Dumper as YamlDumper;

    15 

    16 /**

    17  * Provides integration of the Yaml component with Twig.

    18  *

    19  * @author Fabien Potencier <fabien@symfony.com>

    20  */

    21 class YamlExtension extends \Twig_Extension

    22 {

    23     /**

    24      * {@inheritdoc}

    25      */

    26     public function getFilters()

    27     {

    28         return array(

    29             'yaml_encode' => new \Twig_Filter_Method($this, 'encode'),

    30             'yaml_dump'   => new \Twig_Filter_Method($this, 'dump'),

    31         );

    32     }

    33 

    34     public function encode($input, $inline = 0)

    35     {

    36         static $dumper;

    37 

    38         if (null === $dumper) {

    39             $dumper = new YamlDumper();

    40         }

    41 

    42         return $dumper->dump($input, $inline);

    43     }

    44 

    45     public function dump($value)

    46     {

    47         if (is_resource($value)) {

    48             return '%Resource%';

    49         }

    50 

    51         if (is_array($value) || is_object($value)) {

    52             return '%'.gettype($value).'% '.$this->encode($value);

    53         }

    54 

    55         return $value;

    56     }

    57 

    58     /**

    59      * Returns the name of the extension.

    60      *

    61      * @return string The extension name

    62      */

    63     public function getName()

    64     {

    65         return 'yaml';

    66     }

    67 }