<?php
/**
*
* @package phpBB3
* @copyright (c) 2005 phpBB Group
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
*
*/

use Symfony\Component\Routing\Matcher\Dumper\PhpMatcherDumper;
use Symfony\Component\Routing\Matcher\UrlMatcher;
use Symfony\Component\Routing\RequestContext;

/**
* @ignore
*/
if (!defined('IN_PHPBB'))
{
	exit;
}

/**
* Create a new UrlMatcher class and dump it into the cache file
*
* @param phpbb_extension_finder $finder Extension finder
* @param RequestContext $context Symfony RequestContext object
* @param string $root_path Root path
* @param string $php_ext PHP extension
* @return null
*/
function phpbb_get_url_matcher(phpbb_extension_finder $finder, RequestContext $context, $root_path, $php_ext)
{
	if (defined('DEBUG'))
	{
		return phpbb_create_url_matcher($finder, $context);
	}

	if (!phpbb_url_matcher_dumped($root_path, $php_ext))
	{
		phpbb_create_dumped_url_matcher($finder, $root_path, $php_ext);
	}

	return phpbb_load_url_matcher($context, $root_path, $php_ext);
}

/**
* Create a new UrlMatcher class and dump it into the cache file
*
* @param phpbb_extension_finder $finder Extension finder
* @param string $root_path Root path
* @param string $php_ext PHP extension
* @return null
*/
function phpbb_create_dumped_url_matcher(phpbb_extension_finder $finder, $root_path, $php_ext)
{
	$provider = new phpbb_controller_provider();
	$routes = $provider->import_paths_from_finder($finder)->find();
	$dumper = new PhpMatcherDumper($routes);
	$cached_url_matcher_dump = $dumper->dump(array(
		'class'			=> 'phpbb_url_matcher',
	));

	file_put_contents($root_path . 'cache/url_matcher.' . $php_ext, $cached_url_matcher_dump);
}

/**
* Create a non-cached UrlMatcher
*
* @param phpbb_extension_finder $finder Extension finder
* @param RequestContext $context Symfony RequestContext object
* @return UrlMatcher
*/
function phpbb_create_url_matcher(phpbb_extension_finder $finder, RequestContext $context)
{
	$provider = new phpbb_controller_provider();
	$routes = $provider->import_paths_from_finder($finder)->find();
	return new UrlMatcher($routes, $context);
}

/**
* Load the cached phpbb_url_matcher class
*
* @param RequestContext $context Symfony RequestContext object
* @param string $root_path Root path
* @param string $php_ext PHP extension
* @return phpbb_url_matcher
*/
function phpbb_load_url_matcher(RequestContext $context, $root_path, $php_ext)
{
	require($root_path . 'cache/url_matcher.' . $php_ext);
	return new phpbb_url_matcher($context);
}

/**
* Determine whether we have our dumped URL matcher
*
* The class is automatically dumped to the cache directory
*
* @param string $root_path Root path
* @param string $php_ext PHP extension
* @return bool True if it exists, false if not
*/
function phpbb_url_matcher_dumped($root_path, $php_ext)
{
	return file_exists($root_path . 'cache/url_matcher.' . $php_ext);
}