RooleFilter.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;
use Assetic\Exception\FilterException;
use Assetic\Factory\AssetFactory;

/**
 * Loads Roole files.
 *
 * @link http://roole.org
 * @author Marcin Chwedziak <tiraeth@gmail.com>
 */
class RooleFilter extends BaseNodeFilter implements DependencyExtractorInterface {
  private $rooleBin;
  private $nodeBin;

  /**
   * Constructor
   *
   * @param string $rooleBin The path to the roole binary
   * @param string $nodeBin  The path to the node binary
   */
  public function __construct($rooleBin = '/usr/bin/roole', $nodeBin = null) {
    $this->rooleBin = $rooleBin;
    $this->nodeBin = $nodeBin;
  }
  public function filterLoad(AssetInterface $asset) {
    $input = tempnam(sys_get_temp_dir(), 'assetic_roole');
    file_put_contents($input, $asset
      ->getContent());
    $pb = $this
      ->createProcessBuilder($this->nodeBin ? array(
      $this->nodeBin,
      $this->rooleBin,
    ) : array(
      $this->rooleBin,
    ));
    $pb
      ->add('-p');
    $pb
      ->add($input);
    $proc = $pb
      ->getProcess();
    $code = $proc
      ->run();
    unlink($input);
    if (0 !== $code) {
      throw FilterException::fromProcess($proc)
        ->setInput($asset
        ->getContent());
    }
    $asset
      ->setContent($proc
      ->getOutput());
  }
  public function filterDump(AssetInterface $asset) {
  }
  public function getChildren(AssetFactory $factory, $content, $loadPath = null) {

    // todo
    return array();
  }

}