Renderer: Added twig extension for markdown rendering

1 files changed, 43 insertions, 0 deletions

diff --git a/src/Renderer/Twig/Extensions/Markdown.php b/src/Renderer/Twig/Extensions/Markdown.php
new file mode 100644
index 00000000..293efe91
--- /dev/null
+++ b/src/Renderer/Twig/Extensions/Markdown.php
@@ -0,0 +1,43 @@
+<?php
+
+namespace Engelsystem\Renderer\Twig\Extensions;
+
+use Parsedown;
+use Twig_Extension as TwigExtension;
+use Twig_Filter as TwigFilter;
+
+class Markdown extends TwigExtension
+{
+    /** @var Parsedown */
+    protected $renderer;
+
+    /**
+     * @param Parsedown $renderer
+     */
+    public function __construct(Parsedown $renderer)
+    {
+        $this->renderer = $renderer;
+    }
+
+    /**
+     * @return array
+     */
+    public function getFilters(): array
+    {
+        $options = ['is_safe' => ['html']];
+
+        return [
+            new TwigFilter('markdown', [$this, 'render'], $options),
+            new TwigFilter('md', [$this, 'render'], $options),
+        ];
+    }
+
+    /**
+     * @param string $text
+     * @return string
+     */
+    public function render($text): string
+    {
+        return $this->renderer->text(htmlspecialchars($text));
+    }
+}