123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148 |
- <?php
-
- /*
- * This file is part of the Assetic package, an OpenSky project.
- *
- * (c) 2010-2011 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\Util\ProcessBuilder;
-
- /**
- * 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 implements FilterInterface
- {
- 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 = new ProcessBuilder(array(
- $this->rubyBin,
- $input,
- ));
-
- $proc = $pb->getProcess();
- $code = $proc->run();
- unlink($tmpAsset);
- unlink($input);
-
- if (0 < $code) {
- throw new \RuntimeException($proc->getErrorOutput());
- }
-
- $asset->setContent($proc->getOutput());
- }
-
- public function filterDump(AssetInterface $asset)
- {
- }
-
- 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));
- }
- }
- }
|