Rewrote the filter system

composer.json

@@ -18,14 +18,11 @@
         }
     ],
     "require": {
-        "leafo/scssphp": "dev-master",
-        "leafo/scssphp-compass": "dev-master",
-        "leafo/lessphp": "0.4.0",
-        "coffeescript/coffeescript": "dev-master",
         "chh/shellwords": "0.1.0",
         "symfony/finder": "2.3.*",
         "symfony/filesystem": "2.3.*",
-        "symfony/http-foundation": "2.3.*"
+        "symfony/http-foundation": "2.3.*",
+        "symfony/process": "2.3.*"
     },
     "require-dev": {
         "phpunit/phpunit": "3.7.*",

src/Sprockets/Asset.php

@@ -90,12 +90,12 @@ public function logicalPathname()
 
 	public function path()
 	{
-		return $this->source->getPath();
+		return $this->source->getPathInfo()->getRealPath();
 	}
 
 	public function pathname()
 	{
-		return $this->source->getPathname();
+		return $this->source->getRealPath();
 	}
 
 	/**
@@ -235,21 +235,17 @@ protected function process()
 		// We want to run all the processors on the file without the directives included.
 		$content = $this->directiveProcessor()->body();
 
-		// Run pre-processors
-
 		// Run engines
 		foreach ($this->extensions() as $extension)
 		{
-			$engine = $this->pipeline->engine($extension);
+			$engine = $this->pipeline->filters->engine($extension);
 
 			if ($engine)
 			{
 				$content = $engine->process($this, $content);
 			}
 		}
 
-		// Run post-processors
-
 		$this->processedContent = $content;
 	}
 
@@ -281,6 +277,8 @@ protected function bundle()
 			$content.= $this->body();
 		}
 
+		// Run compressors
+
 		$this->bundledContent = $content;
 	}
 }