<?php

namespace Assetic\Filter\Sass;

use Assetic\Asset\AssetInterface;
use Assetic\Filter\FilterInterface;
use Assetic\Util\ProcessBuilder;

/**
 * Loads SASS files.
 *
 * @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 $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')
	{
		$this->sassPath = $sassPath;
		$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)
	{
		$pb = new ProcessBuilder(array($this->sassPath));

		$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 < $code) {
		    throw new \RuntimeException($proc->getErrorOutput());
		}

		$asset->setContent($proc->getOutput());
	}


	public function filterDump(AssetInterface $asset)
	{
	}
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MTU0MTQxMzE2Njg5NDIxMyAyMTQ4NDUwODgwNTkzNzk3IDUxNjM0NjkxNzg1MTE5NTA=