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<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Twig;
/**
* Exposes a template to userland.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
final class TemplateWrapper
{
private $env;
private $template;
/**
* This method is for internal use only and should never be called
* directly (use Twig\Environment::load() instead).
*
* @internal
*/
public function __construct(Environment $env, Template $template)
{
$this->env = $env;
$this->template = $template;
}
/**
* Renders the template.
*
* @param array $context An array of parameters to pass to the template
*
* @return string The rendered template
*/
public function render($context = [])
{
// using func_get_args() allows to not expose the blocks argument
// as it should only be used by internal code
return $this->template->render($context, \func_num_args() > 1 ? func_get_arg(1) : []);
}
/**
* Displays the template.
*
* @param array $context An array of parameters to pass to the template
*/
public function display($context = [])
{
// using func_get_args() allows to not expose the blocks argument
// as it should only be used by internal code
$this->template->display($context, \func_num_args() > 1 ? func_get_arg(1) : []);
}
/**
* Checks if a block is defined.
*
* @param string $name The block name
* @param array $context An array of parameters to pass to the template
*
* @return bool
*/
public function hasBlock($name, $context = [])
{
return $this->template->hasBlock($name, $context);
}
/**
* Returns defined block names in the template.
*
* @param array $context An array of parameters to pass to the template
*
* @return string[] An array of defined template block names
*/
public function getBlockNames($context = [])
{
return $this->template->getBlockNames($context);
}
/**
* Renders a template block.
*
* @param string $name The block name to render
* @param array $context An array of parameters to pass to the template
*
* @return string The rendered block
*/
public function renderBlock($name, $context = [])
{
$context = $this->env->mergeGlobals($context);
$level = ob_get_level();
if ($this->env->isDebug()) {
ob_start();
} else {
ob_start(function () { return ''; });
}
try {
$this->template->displayBlock($name, $context);
} catch (\Exception $e) {
while (ob_get_level() > $level) {
ob_end_clean();
}
throw $e;
} catch (\Throwable $e) {
while (ob_get_level() > $level) {
ob_end_clean();
}
throw $e;
}
return ob_get_clean();
}
/**
* Displays a template block.
*
* @param string $name The block name to render
* @param array $context An array of parameters to pass to the template
*/
public function displayBlock($name, $context = [])
{
$this->template->displayBlock($name, $this->env->mergeGlobals($context));
}
/**
* @return Source
*/
public function getSourceContext()
{
return $this->template->getSourceContext();
}
/**
* @return string
*/
public function getTemplateName()
{
return $this->template->getTemplateName();
}
/**
* @internal
*
* @return Template
*/
public function unwrap()
{
return $this->template;
}
}
class_alias('Twig\TemplateWrapper', 'Twig_TemplateWrapper');