General update

Update syntax to add and display assets:
  Before:
    {% javascript 'js/jquery/jquery.js' %}
    {% javascript 'js/main.js' %}
    {% stylesheet 'css/main.css' %}
    {% stylesheet 'css/form.css' %}

    {% javascripts %}
    {% stylesheets %}

  After:
    {{ javascript(['js/jquery/jquery.js', 'js/main.js']) }}
    {{ stylesheet(['css/main.css', 'css/form.css']) }}

    {{ javascripts }}
    {{ stylesheets }}

README.markdown

@@ -98,20 +98,8 @@ The files merged can be minify.
 
 ### Twig
 
-    {% javascript 'js/jquery/jquery.js' %}
-    {% javascript 'js/main.js' %}
-    {% stylesheet 'css/main.css' %}
-    {% stylesheet 'css/form.css' %}
+    {{ javascript(['js/jquery/jquery.js', 'js/main.js'] }}
+    {{ stylesheet(['css/main.css', 'css/form.css') }}
 
-    {% javascripts %}
-    {% stylesheets %}
-
-### PHP
-
-    <?php $view['javascripts']->add('js/jquery/jquery.js') ?>
-    <?php $view['javascripts']->add('js/main.js') ?>
-    <?php $view['stylesheets']->add('css/main.css') ?>
-    <?php $view['stylesheets']->add('css/form.css') ?>
-
-    <?php echo $view['javascripts'] ?>
-    <?php echo $view['stylesheets'] ?>
+    {{ javascripts }}
+    {{ stylesheets }}

Templating/Helper/JavascriptsHelper.php

@@ -53,9 +53,11 @@ public function __construct(AssetsHelper $assetHelper, Minifier $minifier, array
      * @param string $javascript A javascript file path
      * @param array  $attributes An array of attributes
      */
-    public function add($javascript, $attributes = array())
+    public function add(array $javascripts, $attributes = array())
     {
-        $this->javascripts[$javascript] = $attributes;
+        foreach ($javascripts as $javascript) {
+            $this->javascripts[$javascript] = $attributes;
+        }
     }
 
     /**

Templating/Helper/StylesheetsHelper.php

@@ -53,9 +53,11 @@ public function __construct(AssetsHelper $assetHelper, MinifierInterface $minifi
      * @param string $stylesheet A stylesheet file path
      * @param array  $attributes An array of attributes
      */
-    public function add($stylesheet, $attributes = array())
+    public function add($stylesheets, $attributes = array())
     {
-        $this->stylesheets[$stylesheet] = $attributes;
+        foreach ($stylesheets as $stylesheet) {
+            $this->stylesheets[$stylesheet] = $attributes;
+        }
     }
 
     /**

Twig/Extension/AssetsExtension.php

@@ -30,36 +30,42 @@ public function __construct(ContainerInterface $container)
         $this->container = $container;
     }
 
-    public function getContainer()
+    public function getFunctions()
     {
-        return $this->container;
+        return array(
+            'stylesheet'  => new \Twig_Function_Method($this, 'addStylesheet'),
+            'stylesheets' => new \Twig_Function_Method($this, 'renderStylesheet', array('is_safe' => array('html'))),
+            'javascript'  => new \Twig_Function_Method($this, 'addJavascript'),
+            'javascripts' => new \Twig_Function_Method($this, 'renderJavascript', array('is_safe' => array('html'))),
+        );
     }
 
-    public function getTemplating()
+    public function addStylesheet($stylesheets)
     {
-        return $this->container->get('templating.engine');
+        if (!is_array($stylesheets)) {
+            $stylesheets = array($stylesheets);
+        }
+
+        $this->container->get('templating.helper.stylesheets')->add($stylesheets);
     }
 
-    /**
-     * Returns the token parser instance to add to the existing list.
-     *
-     * @return array An array of Twig_TokenParser instances
-     */
-    public function getTokenParsers()
+    public function renderStylesheet()
     {
-        return array(
-            // {% javascript 'bundles/blog/js/blog.js' %}
-            new JavascriptTokenParser(),
+        return $this->container->get('templating.helper.stylesheets')->render();
+    }
 
-            // {% javascripts %}
-            new JavascriptsTokenParser(),
+    public function addJavascript($javascripts)
+    {
+        if (!is_array($javascripts)) {
+            $javascripts = array($javascripts);
+        }
 
-            // {% stylesheet 'bundles/blog/css/blog.css' with { 'media': 'screen' } %}
-            new StylesheetTokenParser(),
+        $this->container->get('templating.helper.javascripts')->add($javascripts);
+    }
 
-            // {% stylesheets %}
-            new StylesheetsTokenParser(),
-        );
+    public function renderJavascript()
+    {
+        return $this->container->get('templating.helper.javascripts')->render();
     }
 
     /**