class TwigThemeTestController

class TwigThemeTestController {
    
    /**
     * Menu callback for testing PHP variables in a Twig template.
     */
    public function phpVariablesRender() {
        return [
            '#markup' => \Drupal::theme()->render('twig_theme_test_php_variables', []),
        ];
    }
    
    /**
     * Menu callback for testing translation blocks in a Twig template.
     */
    public function transBlockRender() {
        return [
            '#theme' => 'twig_theme_test_trans',
        ];
    }
    
    /**
     * Controller for testing the twig placeholder filter outside of {% trans %}.
     */
    public function placeholderOutsideTransRender() {
        return [
            '#theme' => 'twig_theme_test_placeholder_outside_trans',
            '#var' => '<script>alert(123);</script>',
        ];
    }
    
    /**
     * Renders for testing url_generator functions in a Twig template.
     */
    public function urlGeneratorRender() {
        return [
            '#theme' => 'twig_theme_test_url_generator',
        ];
    }
    
    /**
     * Renders for testing link_generator functions in a Twig template.
     */
    public function linkGeneratorRender() {
        return [
            '#theme' => 'twig_theme_test_link_generator',
            '#test_url' => new Url('user.register', [], [
                'absolute' => TRUE,
            ]),
            '#test_url_attribute' => new Url('user.register', [], [
                'attributes' => [
                    'foo' => 'bar',
                ],
            ]),
            // Explicitly creating an Attribute object to avoid false positives when
            // testing Attribute object merging with the twig link() function.
'#attributes' => new Attribute([
                'class' => [
                    'llama',
                    'kitten',
                    'panda',
                ],
            ]),
        ];
    }
    
    /**
     * Renders a URL to a string.
     */
    public function urlToStringRender() {
        return [
            '#theme' => 'twig_theme_test_url_to_string',
            '#test_url' => Url::fromRoute('user.register'),
        ];
    }
    
    /**
     * Renders for testing file_url functions in a Twig template.
     */
    public function fileUrlRender() {
        return [
            '#theme' => 'twig_theme_test_file_url',
        ];
    }
    
    /**
     * Renders for testing attach_library functions in a Twig template.
     */
    public function attachLibraryRender() {
        return [
            '#theme' => 'twig_theme_test_attach_library',
        ];
    }
    
    /**
     * Menu callback for testing the Twig registry loader.
     */
    public function registryLoaderRender() {
        return [
            '#theme' => 'twig_registry_loader_test',
        ];
    }
    
    /**
     * Controller for testing a renderable inside a template.
     */
    public function renderable() {
        return [
            '#theme' => 'twig_theme_test_renderable',
            '#renderable' => new ExampleRenderable(),
        ];
    }
    
    /**
     * Renders for testing the embed tag in a Twig template.
     */
    public function embedTagRender() {
        return [
            '#theme' => 'twig_theme_test_embed_tag',
        ];
    }
    
    /**
     * Renders for testing drupal_dump function.
     */
    public function dump() {
        return [
            '#theme' => 'twig_theme_test_dump',
        ];
    }

}