Source of file StylusFilter.php
Size: 2,760 Bytes - Last Modified: 2013-06-02T00:13:43+02:00
/home/theseer/Downloads/Symfony/vendor/kriswallsmith/assetic/src/Assetic/Filter/StylusFilter.php
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117 | <?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 STYL files. * * @link http://learnboost.github.com/stylus/ * @author Konstantin Kudryashov <ever.zet@gmail.com> */ class StylusFilter extends BaseNodeFilter implements DependencyExtractorInterface { private $nodeBin; private $compress; /** * Constructs filter. * * @param string $nodeBin The path to the node binary * @param array $nodePaths An array of node paths */ public function __construct($nodeBin = '/usr/bin/node', array $nodePaths = array()) { $this->nodeBin = $nodeBin; $this->setNodePaths($nodePaths); } /** * Enable output compression. * * @param boolean $compress */ public function setCompress($compress) { $this->compress = $compress; } /** * {@inheritdoc} */ public function filterLoad(AssetInterface $asset) { static $format = <<<'EOF' var stylus = require('stylus'); var sys = require(process.binding('natives').util ? 'util' : 'sys'); stylus(%s, %s).render(function(e, css){ if (e) { throw e; } sys.print(css); process.exit(0); }); EOF; $root = $asset->getSourceRoot(); $path = $asset->getSourcePath(); // parser options $parserOptions = array(); if ($root && $path) { $parserOptions['paths'] = array(dirname($root.'/'.$path)); $parserOptions['filename'] = basename($path); } if (null !== $this->compress) { $parserOptions['compress'] = $this->compress; } $pb = $this->createProcessBuilder(); $pb->add($this->nodeBin)->add($input = tempnam(sys_get_temp_dir(), 'assetic_stylus')); file_put_contents($input, sprintf($format, json_encode($asset->getContent()), json_encode($parserOptions) )); $proc = $pb->getProcess(); $code = $proc->run(); unlink($input); if (0 !== $code) { throw FilterException::fromProcess($proc)->setInput($asset->getContent()); } $asset->setContent($proc->getOutput()); } /** * {@inheritdoc} */ public function filterDump(AssetInterface $asset) { } public function getChildren(AssetFactory $factory, $content, $loadPath = null) { // todo return array(); } } |