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<?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\Sass;
use Assetic\Asset\AssetInterface;
use Assetic\Filter\FilterInterface;
use Assetic\Exception\FilterException;
use Symfony\Component\Process\ProcessBuilder;
/**
* Loads SASS files.
*
* @link http://sass-lang.com/
* @author Kris Wallsmith <kris.wallsmith@gmail.com>
*/
class SassFilter implements FilterInterface
{
const STYLE_NESTED = 'nested';
const STYLE_EXPANDED = 'expanded';
const STYLE_COMPACT = 'compact';
const STYLE_COMPRESSED = 'compressed';
private $sassPath;
private $rubyPath;
private $unixNewlines;
private $scss;
private $style;
private $quiet;
private $debugInfo;
private $lineNumbers;
private $loadPaths = array();
private $cacheLocation;
private $noCache;
private $compass;
public function __construct($sassPath = '/usr/bin/sass', $rubyPath = null)
{
$this->sassPath = $sassPath;
$this->rubyPath = $rubyPath;
$this->cacheLocation = realpath(sys_get_temp_dir());
}
public function setUnixNewlines($unixNewlines)
{
$this->unixNewlines = $unixNewlines;
}
public function setScss($scss)
{
$this->scss = $scss;
}
public function setStyle($style)
{
$this->style = $style;
}
public function setQuiet($quiet)
{
$this->quiet = $quiet;
}
public function setDebugInfo($debugInfo)
{
$this->debugInfo = $debugInfo;
}
public function setLineNumbers($lineNumbers)
{
$this->lineNumbers = $lineNumbers;
}
public function addLoadPath($loadPath)
{
$this->loadPaths[] = $loadPath;
}
public function setCacheLocation($cacheLocation)
{
$this->cacheLocation = $cacheLocation;
}
public function setNoCache($noCache)
{
$this->noCache = $noCache;
}
public function setCompass($compass)
{
$this->compass = $compass;
}
public function filterLoad(AssetInterface $asset)
{
$sassProcessArgs = array($this->sassPath);
if (null !== $this->rubyPath) {
array_unshift($sassProcessArgs, $this->rubyPath);
}
$pb = new ProcessBuilder($sassProcessArgs);
$root = $asset->getSourceRoot();
$path = $asset->getSourcePath();
if ($root && $path) {
$pb->add('--load-path')->add(dirname($root.'/'.$path));
}
if ($this->unixNewlines) {
$pb->add('--unix-newlines');
}
if (true === $this->scss || (null === $this->scss && 'scss' == pathinfo($path, PATHINFO_EXTENSION))) {
$pb->add('--scss');
}
if ($this->style) {
$pb->add('--style')->add($this->style);
}
if ($this->quiet) {
$pb->add('--quiet');
}
if ($this->debugInfo) {
$pb->add('--debug-info');
}
if ($this->lineNumbers) {
$pb->add('--line-numbers');
}
foreach ($this->loadPaths as $loadPath) {
$pb->add('--load-path')->add($loadPath);
}
if ($this->cacheLocation) {
$pb->add('--cache-location')->add($this->cacheLocation);
}
if ($this->noCache) {
$pb->add('--no-cache');
}
if ($this->compass) {
$pb->add('--compass');
}
// input
$pb->add($input = tempnam(sys_get_temp_dir(), 'assetic_sass'));
file_put_contents($input, $asset->getContent());
$proc = $pb->getProcess();
$code = $proc->run();
unlink($input);
if (0 < $code) {
throw FilterException::fromProcess($proc)->setInput($asset->getContent());
}
$asset->setContent($proc->getOutput());
}
public function filterDump(AssetInterface $asset)
{
}
}