118 lines
3.6 KiB
PHP
118 lines
3.6 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Bundle\TwigBundle;
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use Symfony\Bridge\Twig\TwigEngine as BaseEngine;
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use Symfony\Bundle\FrameworkBundle\Templating\EngineInterface;
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use Symfony\Bundle\FrameworkBundle\Templating\GlobalVariables;
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use Symfony\Bundle\FrameworkBundle\Templating\TemplateReference;
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use Symfony\Component\Templating\TemplateNameParserInterface;
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use Symfony\Component\HttpFoundation\Response;
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use Symfony\Component\Config\FileLocatorInterface;
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/**
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* This engine renders Twig templates.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class TwigEngine extends BaseEngine implements EngineInterface
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{
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protected $locator;
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/**
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* Constructor.
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*
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* @param \Twig_Environment $environment A \Twig_Environment instance
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* @param TemplateNameParserInterface $parser A TemplateNameParserInterface instance
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* @param FileLocatorInterface $locator A FileLocatorInterface instance
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* @param GlobalVariables|null $globals A GlobalVariables instance or null
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*/
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public function __construct(\Twig_Environment $environment, TemplateNameParserInterface $parser, FileLocatorInterface $locator, GlobalVariables $globals = null)
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{
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parent::__construct($environment, $parser);
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$this->locator = $locator;
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if (null !== $globals) {
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$environment->addGlobal('app', $globals);
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}
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}
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public function setDefaultEscapingStrategy($strategy)
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{
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$this->environment->getExtension('escaper')->setDefaultStrategy($strategy);
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}
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public function guessDefaultEscapingStrategy($filename)
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{
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// remove .twig
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$filename = substr($filename, 0, -5);
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// get the format
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$format = substr($filename, strrpos($filename, '.') + 1);
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if ('js' === $format) {
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return 'js';
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}
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return 'html';
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}
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/**
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* Renders a template.
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*
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* @param mixed $name A template name
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* @param array $parameters An array of parameters to pass to the template
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*
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* @return string The evaluated template as a string
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*
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* @throws \InvalidArgumentException if the template does not exist
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* @throws \RuntimeException if the template cannot be rendered
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*/
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public function render($name, array $parameters = array())
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{
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try {
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return parent::render($name, $parameters);
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} catch (\Twig_Error $e) {
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if ($name instanceof TemplateReference) {
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try {
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// try to get the real file name of the template where the error occurred
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$e->setTemplateFile(sprintf('%s', $this->locator->locate($this->parser->parse($e->getTemplateFile()))));
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} catch (\Exception $ex) {
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}
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}
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throw $e;
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}
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}
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/**
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* Renders a view and returns a Response.
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*
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* @param string $view The view name
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* @param array $parameters An array of parameters to pass to the view
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* @param Response $response A Response instance
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*
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* @return Response A Response instance
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*/
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public function renderResponse($view, array $parameters = array(), Response $response = null)
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{
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if (null === $response) {
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$response = new Response();
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}
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$response->setContent($this->render($view, $parameters));
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return $response;
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}
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}
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