CssMinFilter.php

<?php

/*
 * This file is part of the Assetic package, an OpenSky project.
 *
 * (c) 2010-2012 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;

/**
 * Filters assets through CssMin.
 *
 * @link http://code.google.com/p/cssmin
 * @author Kris Wallsmith <kris.wallsmith@gmail.com>
 */
class CssMinFilter implements FilterInterface {
  private $filters;
  private $plugins;
  public function __construct() {
    $this->filters = array();
    $this->plugins = array();
  }
  public function setFilters(array $filters) {
    $this->filters = $filters;
  }
  public function setFilter($name, $value) {
    $this->filters[$name] = $value;
  }
  public function setPlugins(array $plugins) {
    $this->plugins = $plugins;
  }
  public function setPlugin($name, $value) {
    $this->plugins[$name] = $value;
  }
  public function filterLoad(AssetInterface $asset) {
  }
  public function filterDump(AssetInterface $asset) {
    $filters = $this->filters;
    $plugins = $this->plugins;
    if (isset($filters['ImportImports']) && true === $filters['ImportImports']) {
      $root = $asset
        ->getSourceRoot();
      $path = $asset
        ->getSourcePath();
      if ($root && $path) {
        $filters['ImportImports'] = array(
          'BasePath' => dirname($root . '/' . $path),
        );
      }
      else {
        unset($filters['ImportImports']);
      }
    }
    $asset
      ->setContent(\CssMin::minify($asset
      ->getContent(), $filters, $plugins));
  }

}