Source of file SprocketsFilter.php
Size: 3,839 Bytes - Last Modified: 2013-06-02T00:13:43+02:00
/home/theseer/Downloads/Symfony/vendor/kriswallsmith/assetic/src/Assetic/Filter/SprocketsFilter.php
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155 | <?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; /** * Runs assets through Sprockets. * * Requires Sprockets 1.0.x. * * @link http://getsprockets.org/ * @link http://github.com/sstephenson/sprockets/tree/1.0.x * * @author Kris Wallsmith <kris.wallsmith@gmail.com> */ class SprocketsFilter extends BaseProcessFilter implements DependencyExtractorInterface { private $sprocketsLib; private $rubyBin; private $includeDirs; private $assetRoot; /** * Constructor. * * @param string $sprocketsLib Path to the Sprockets lib/ directory * @param string $rubyBin Path to the ruby binary */ public function __construct($sprocketsLib = null, $rubyBin = '/usr/bin/ruby') { $this->sprocketsLib = $sprocketsLib; $this->rubyBin = $rubyBin; $this->includeDirs = array(); } public function addIncludeDir($directory) { $this->includeDirs[] = $directory; } public function setAssetRoot($assetRoot) { $this->assetRoot = $assetRoot; } /** * Hack around a bit, get the job done. */ public function filterLoad(AssetInterface $asset) { static $format = <<<'EOF' #!/usr/bin/env ruby require %s %s options = { :load_path => [], :source_files => [%s], :expand_paths => false } %ssecretary = Sprockets::Secretary.new(options) secretary.install_assets if options[:asset_root] print secretary.concatenation EOF; $more = ''; foreach ($this->includeDirs as $directory) { $more .= 'options[:load_path] << '.var_export($directory, true)."\n"; } if (null !== $this->assetRoot) { $more .= 'options[:asset_root] = '.var_export($this->assetRoot, true)."\n"; } if ($more) { $more .= "\n"; } $tmpAsset = tempnam(sys_get_temp_dir(), 'assetic_sprockets'); file_put_contents($tmpAsset, $asset->getContent()); $input = tempnam(sys_get_temp_dir(), 'assetic_sprockets'); file_put_contents($input, sprintf($format, $this->sprocketsLib ? sprintf('File.join(%s, \'sprockets\')', var_export($this->sprocketsLib, true)) : '\'sprockets\'', $this->getHack($asset), var_export($tmpAsset, true), $more )); $pb = $this->createProcessBuilder(array( $this->rubyBin, $input, )); $proc = $pb->getProcess(); $code = $proc->run(); unlink($tmpAsset); 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(); } private function getHack(AssetInterface $asset) { static $format = <<<'EOF' module Sprockets class Preprocessor protected def pathname_for_relative_require_from(source_line) Sprockets::Pathname.new(@environment, File.join(%s, location_from(source_line))) end end end EOF; $root = $asset->getSourceRoot(); $path = $asset->getSourcePath(); if ($root && $path) { return sprintf($format, var_export(dirname($root.'/'.$path), true)); } } } |