FormThemeNode.php

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Bridge\Twig\Node;

use Symfony\Bridge\Twig\Form\TwigRenderer;
use Symfony\Component\Form\FormRenderer;
use Twig\Compiler;
use Twig\Error\RuntimeError;
use Twig\Node\Node;

/**
 * @author Fabien Potencier <fabien@symfony.com>
 */
class FormThemeNode extends Node
{
    public function __construct(Node $form, Node $resources, $lineno, $tag = null, $only = false)
    {
        parent::__construct(['form' => $form, 'resources' => $resources], ['only' => (bool) $only], $lineno, $tag);
    }

    public function compile(Compiler $compiler)
    {
        try {
            $compiler->getEnvironment()->getRuntime(FormRenderer::class);
            $renderer = FormRenderer::class;
        } catch (RuntimeError $e) {
            $renderer = TwigRenderer::class;
        }

        $compiler
            ->addDebugInfo($this)
            ->write('$this->env->getRuntime(')
            ->string($renderer)
            ->raw(')->setTheme(')
            ->subcompile($this->getNode('form'))
            ->raw(', ')
            ->subcompile($this->getNode('resources'))
            ->raw(', ')
            ->raw(false === $this->getAttribute('only') ? 'true' : 'false')
            ->raw(");\n");
    }
}