Further twig refactoring.

src/Spryker/Shared/Twig/TwigSimpleFilter.php → src/Spryker/Shared/Twig/TwigFilter.php

@@ -7,5 +7,5 @@
 
 namespace Spryker\Shared\Twig;
 
-class TwigSimpleFilter extends \Twig_SimpleFilter {
+class TwigFilter extends \Twig_SimpleFilter {
 }

src/Spryker/Shared/Twig/TwigFunction.php

@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * Copyright © 2016-present Spryker Systems GmbH. All rights reserved.
+ * Use of this software requires acceptance of the Evaluation License Agreement. See LICENSE file.
+ */
+
+namespace Spryker\Shared\Twig;
+
+abstract class TwigFunction extends \Twig_SimpleFunction
+{
+
+    public function __construct()
+    {
+        parent::__construct($this->getFunctionName(), $this->getFunction(), $this->getOptions());
+    }
+
+    /**
+     * @return string
+     */
+    abstract protected function getFunctionName();
+
+    /**
+     * @return callable
+     */
+    abstract protected function getFunction();
+
+    /**
+     * @return array
+     */
+    protected function getOptions()
+    {
+        return ['is_safe' => ['html']];
+    }
+
+}