102 lines
3.0 KiB
PHP
102 lines
3.0 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\Loader;
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use Symfony\Component\Config\FileLocatorInterface;
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use Symfony\Component\Templating\TemplateNameParserInterface;
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use Symfony\Component\Templating\TemplateReferenceInterface;
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/**
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* FilesystemLoader extends the default Twig filesystem loader
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* to work with the Symfony paths and template references.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class FilesystemLoader extends \Twig_Loader_Filesystem
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{
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protected $locator;
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protected $parser;
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/**
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* Constructor.
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*
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* @param FileLocatorInterface $locator A FileLocatorInterface instance
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* @param TemplateNameParserInterface $parser A TemplateNameParserInterface instance
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* @param string|null $rootPath The root path common to all relative paths (null for getcwd())
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*/
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public function __construct(FileLocatorInterface $locator, TemplateNameParserInterface $parser, $rootPath = null)
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{
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parent::__construct(array(), $rootPath);
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$this->locator = $locator;
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$this->parser = $parser;
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}
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/**
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* {@inheritdoc}
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*
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* The name parameter might also be a TemplateReferenceInterface.
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*/
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public function exists($name)
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{
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return parent::exists((string) $name);
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}
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/**
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* Returns the path to the template file.
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*
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* The file locator is used to locate the template when the naming convention
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* is the symfony one (i.e. the name can be parsed).
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* Otherwise the template is located using the locator from the twig library.
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*
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* @param string|TemplateReferenceInterface $template The template
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* @param bool $throw When true, a \Twig_Error_Loader exception will be thrown if a template could not be found
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*
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* @return string The path to the template file
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*
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* @throws \Twig_Error_Loader if the template could not be found
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*/
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protected function findTemplate($template, $throw = true)
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{
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$logicalName = (string) $template;
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if (isset($this->cache[$logicalName])) {
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return $this->cache[$logicalName];
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}
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$file = null;
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$previous = null;
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try {
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$file = parent::findTemplate($logicalName);
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} catch (\Twig_Error_Loader $e) {
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$twigLoaderException = $e;
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// for BC
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try {
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$template = $this->parser->parse($template);
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$file = $this->locator->locate($template);
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} catch (\Exception $e) {
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}
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}
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if (false === $file || null === $file) {
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if ($throw) {
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throw $twigLoaderException;
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}
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return false;
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}
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return $this->cache[$logicalName] = $file;
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}
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}
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