Merge remote-tracking branch 'MyIgel/templating'

1 files changed, 77 insertions, 0 deletions

diff --git a/src/Renderer/TwigServiceProvider.php b/src/Renderer/TwigServiceProvider.php
new file mode 100644
index 00000000..0f453989
--- /dev/null
+++ b/src/Renderer/TwigServiceProvider.php
@@ -0,0 +1,77 @@
+<?php
+
+namespace Engelsystem\Renderer;
+
+use Engelsystem\Container\ServiceProvider;
+use Engelsystem\Renderer\Twig\Extensions\Config;
+use Engelsystem\Renderer\Twig\Extensions\Globals;
+use Engelsystem\Renderer\Twig\Extensions\Session;
+use Engelsystem\Renderer\Twig\Extensions\Translation;
+use Engelsystem\Renderer\Twig\Extensions\Url;
+use Twig_Environment as Twig;
+use Twig_LoaderInterface as TwigLoaderInterface;
+
+class TwigServiceProvider extends ServiceProvider
+{
+    /** @var array */
+    protected $extensions = [
+        'config'      => Config::class,
+        'globals'     => Globals::class,
+        'session'     => Session::class,
+        'url'         => Url::class,
+        'translation' => Translation::class,
+    ];
+
+    public function register()
+    {
+        $this->registerTwigEngine();
+
+        foreach ($this->extensions as $alias => $class) {
+            $this->registerTwigExtensions($class, $alias);
+        }
+    }
+
+    public function boot()
+    {
+        /** @var Twig $renderer */
+        $renderer = $this->app->get('twig.environment');
+
+        foreach ($this->app->tagged('twig.extension') as $extension) {
+            $renderer->addExtension($extension);
+        }
+    }
+
+    protected function registerTwigEngine()
+    {
+        $viewsPath = $this->app->get('path.views');
+
+        $twigLoader = $this->app->make(TwigLoader::class, ['paths' => $viewsPath]);
+        $this->app->instance(TwigLoader::class, $twigLoader);
+        $this->app->instance(TwigLoaderInterface::class, $twigLoader);
+        $this->app->instance('twig.loader', $twigLoader);
+
+        $twig = $this->app->make(Twig::class);
+        $this->app->instance(Twig::class, $twig);
+        $this->app->instance('twig.environment', $twig);
+
+        $twigEngine = $this->app->make(TwigEngine::class);
+        $this->app->instance('renderer.twigEngine', $twigEngine);
+        $this->app->tag('renderer.twigEngine', ['renderer.engine']);
+    }
+
+    /**
+     * @param string $class
+     * @param string $alias
+     */
+    protected function registerTwigExtensions($class, $alias)
+    {
+        $alias = 'twig.extension.' . $alias;
+
+        $extension = $this->app->make($class);
+
+        $this->app->instance($class, $extension);
+        $this->app->instance($alias, $extension);
+
+        $this->app->tag($alias, ['twig.extension']);
+    }
+}