CallablesFilter.php

<?php

/*
 * This file is part of the Assetic package, an OpenSky project.
 *
 * (c) 2010-2013 OpenSky Project Inc
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Assetic\Filter;

use Assetic\Asset\AssetInterface;

/**
 * A filter that wraps callables.
 *
 * @author Kris Wallsmith <kris.wallsmith@gmail.com>
 */
class CallablesFilter implements FilterInterface {
  private $loader;
  private $dumper;

  /**
   * @param callable|null $loader
   * @param callable|null $dumper
   */
  public function __construct($loader = null, $dumper = null) {
    $this->loader = $loader;
    $this->dumper = $dumper;
  }
  public function filterLoad(AssetInterface $asset) {
    if (null !== ($callable = $this->loader)) {
      $callable($asset);
    }
  }
  public function filterDump(AssetInterface $asset) {
    if (null !== ($callable = $this->dumper)) {
      $callable($asset);
    }
  }

}