kekrozsak/vendor/symfony/symfony/src/Symfony/Bundle/FrameworkBundle/Templating/TemplateNameParser.php

84 lines
2.6 KiB
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\Bundle\FrameworkBundle\Templating;
use Symfony\Component\Templating\TemplateNameParserInterface;
use Symfony\Component\Templating\TemplateReferenceInterface;
use Symfony\Component\HttpKernel\KernelInterface;
/**
* TemplateNameParser converts template names from the short notation
* "bundle:section:template.format.engine" to TemplateReferenceInterface
* instances.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class TemplateNameParser implements TemplateNameParserInterface
{
protected $kernel;
protected $cache;
/**
* Constructor.
*
* @param KernelInterface $kernel A KernelInterface instance
*/
public function __construct(KernelInterface $kernel)
{
$this->kernel = $kernel;
$this->cache = array();
}
/**
* {@inheritdoc}
*/
public function parse($name)
{
if ($name instanceof TemplateReferenceInterface) {
return $name;
} elseif (isset($this->cache[$name])) {
return $this->cache[$name];
}
// normalize name
$name = str_replace(':/', ':', preg_replace('#/{2,}#', '/', strtr($name, '\\', '/')));
if (false !== strpos($name, '..')) {
throw new \RuntimeException(sprintf('Template name "%s" contains invalid characters.', $name));
}
$parts = explode(':', $name);
if (3 !== count($parts)) {
throw new \InvalidArgumentException(sprintf('Template name "%s" is not valid (format is "bundle:section:template.format.engine").', $name));
}
$elements = explode('.', $parts[2]);
if (3 > count($elements)) {
throw new \InvalidArgumentException(sprintf('Template name "%s" is not valid (format is "bundle:section:template.format.engine").', $name));
}
$engine = array_pop($elements);
$format = array_pop($elements);
$template = new TemplateReference($parts[0], $parts[1], implode('.', $elements), $format, $engine);
if ($template->get('bundle')) {
try {
$this->kernel->getBundle($template->get('bundle'));
} catch (\Exception $e) {
throw new \InvalidArgumentException(sprintf('Template name "%s" is not valid.', $name), 0, $e);
}
}
return $this->cache[$name] = $template;
}
}