GssFilter.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;

/**
 * Filter for the Google Closure Stylesheets Compiler JAR.
 *
 * @link http://code.google.com/p/closure-stylesheets/
 * @author Matthias Krauser <matthias@krauser.eu>
 */
class GssFilter extends BaseProcessFilter {
  private $jarPath;
  private $javaPath;
  private $allowUnrecognizedFunctions;
  private $allowedNonStandardFunctions;
  private $copyrightNotice;
  private $define;
  private $gssFunctionMapProvider;
  private $inputOrientation;
  private $outputOrientation;
  private $prettyPrint;
  public function __construct($jarPath, $javaPath = '/usr/bin/java') {
    $this->jarPath = $jarPath;
    $this->javaPath = $javaPath;
  }
  public function setAllowUnrecognizedFunctions($allowUnrecognizedFunctions) {
    $this->allowUnrecognizedFunctions = $allowUnrecognizedFunctions;
  }
  public function setAllowedNonStandardFunctions($allowNonStandardFunctions) {
    $this->allowedNonStandardFunctions = $allowNonStandardFunctions;
  }
  public function setCopyrightNotice($copyrightNotice) {
    $this->copyrightNotice = $copyrightNotice;
  }
  public function setDefine($define) {
    $this->define = $define;
  }
  public function setGssFunctionMapProvider($gssFunctionMapProvider) {
    $this->gssFunctionMapProvider = $gssFunctionMapProvider;
  }
  public function setInputOrientation($inputOrientation) {
    $this->inputOrientation = $inputOrientation;
  }
  public function setOutputOrientation($outputOrientation) {
    $this->outputOrientation = $outputOrientation;
  }
  public function setPrettyPrint($prettyPrint) {
    $this->prettyPrint = $prettyPrint;
  }
  public function filterLoad(AssetInterface $asset) {
    $cleanup = array();
    $pb = $this
      ->createProcessBuilder(array(
      $this->javaPath,
      '-jar',
      $this->jarPath,
    ));
    if (null !== $this->allowUnrecognizedFunctions) {
      $pb
        ->add('--allow-unrecognized-functions');
    }
    if (null !== $this->allowedNonStandardFunctions) {
      $pb
        ->add('--allowed_non_standard_functions')
        ->add($this->allowedNonStandardFunctions);
    }
    if (null !== $this->copyrightNotice) {
      $pb
        ->add('--copyright-notice')
        ->add($this->copyrightNotice);
    }
    if (null !== $this->define) {
      $pb
        ->add('--define')
        ->add($this->define);
    }
    if (null !== $this->gssFunctionMapProvider) {
      $pb
        ->add('--gss-function-map-provider')
        ->add($this->gssFunctionMapProvider);
    }
    if (null !== $this->inputOrientation) {
      $pb
        ->add('--input-orientation')
        ->add($this->inputOrientation);
    }
    if (null !== $this->outputOrientation) {
      $pb
        ->add('--output-orientation')
        ->add($this->outputOrientation);
    }
    if (null !== $this->prettyPrint) {
      $pb
        ->add('--pretty-print');
    }
    $pb
      ->add($cleanup[] = $input = tempnam(sys_get_temp_dir(), 'assetic_google_closure_stylesheets_compiler'));
    file_put_contents($input, $asset
      ->getContent());
    $proc = $pb
      ->getProcess();
    $code = $proc
      ->run();
    array_map('unlink', $cleanup);
    if (0 !== $code) {
      throw FilterException::fromProcess($proc)
        ->setInput($asset
        ->getContent());
    }
    $asset
      ->setContent($proc
      ->getOutput());
  }
  public function filterDump(AssetInterface $asset) {
  }

}