<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <[email protected]>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Routing\Matcher;
use Symfony\Component\ExpressionLanguage\ExpressionFunction;
use Symfony\Component\ExpressionLanguage\ExpressionFunctionProviderInterface;
use Symfony\Contracts\Service\ServiceProviderInterface;
/**
* Exposes functions defined in the request context to route conditions.
*
* @author Ahmed TAILOULOUTE <[email protected]>
*/
class ExpressionLanguageProvider implements ExpressionFunctionProviderInterface
{
private $functions;
public function __construct(ServiceProviderInterface $functions)
{
$this->functions = $functions;
}
/**
* {@inheritdoc}
*/
public function getFunctions()
{
foreach ($this->functions->getProvidedServices() as $function => $type) {
yield new ExpressionFunction(
$function,
static function (...$args) use ($function) {
return sprintf('($context->getParameter(\'_functions\')->get(%s)(%s))', var_export($function, true), implode(', ', $args));
},
function ($values, ...$args) use ($function) {
return $values['context']->getParameter('_functions')->get($function)(...$args);
}
);
}
}
public function get(string $function): callable
{
return $this->functions->get($function);
}
}