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<?php
/**
*
* This file is part of the phpBB Forum Software package.
*
* @copyright (c) phpBB Limited <https://www.phpbb.com>
* @license GNU General Public License, version 2 (GPL-2.0)
*
* For full copyright and license information, please see
* the docs/CREDITS.txt file.
*
*/
namespace phpbb\template\twig\node;
class event extends \Twig_Node
{
/**
* The subdirectory in which all template listener files must be placed
* @var string
*/
protected $listener_directory = 'event/';
/** @var \Twig_Environment */
protected $environment;
public function __construct(\Twig_Node_Expression $expr, \phpbb\template\twig\environment $environment, $lineno, $tag = null)
{
$this->environment = $environment;
parent::__construct(array('expr' => $expr), array(), $lineno, $tag);
}
/**
* Compiles the node to PHP.
*
* @param \Twig_Compiler A Twig_Compiler instance
*/
public function compile(\Twig_Compiler $compiler)
{
$compiler->addDebugInfo($this);
$location = $this->listener_directory . $this->getNode('expr')->getAttribute('name');
foreach ($this->environment->get_phpbb_extensions() as $ext_namespace => $ext_path)
{
$ext_namespace = str_replace('/', '_', $ext_namespace);
if (defined('DEBUG'))
{
// If debug mode is enabled, lets check for new/removed EVENT
// templates on page load rather than at compile. This is
// slower, but makes developing extensions easier (no need to
// purge the cache when a new event template file is added)
$compiler
->write("if (\$this->env->getLoader()->exists('@{$ext_namespace}/{$location}.html')) {\n")
->indent()
;
}
if (defined('DEBUG') || $this->environment->getLoader()->exists('@' . $ext_namespace . '/' . $location . '.html'))
{
$compiler
->write("\$previous_look_up_order = \$this->env->getNamespaceLookUpOrder();\n")
// We set the namespace lookup order to be this extension first, then the main path
->write("\$this->env->setNamespaceLookUpOrder(array('{$ext_namespace}', '__main__'));\n")
->write("\$this->env->loadTemplate('@{$ext_namespace}/{$location}.html')->display(\$context);\n")
->write("\$this->env->setNamespaceLookUpOrder(\$previous_look_up_order);\n")
;
}
if (defined('DEBUG'))
{
$compiler
->outdent()
->write("}\n\n")
;
}
}
}
}
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