1<?php
2
3/*
4 * This file is part of the Symfony package.
5 *
6 * (c) Fabien Potencier <fabien@symfony.com>
7 *
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
10 */
11
12namespace Symfony\Component\HttpFoundation;
13
14use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
15
16/**
17 * ExpressionRequestMatcher uses an expression to match a Request.
18 *
19 * @author Fabien Potencier <fabien@symfony.com>
20 */
21class ExpressionRequestMatcher extends RequestMatcher
22{
23    private $language;
24    private $expression;
25
26    public function setExpression(ExpressionLanguage $language, $expression)
27    {
28        $this->language = $language;
29        $this->expression = $expression;
30    }
31
32    public function matches(Request $request)
33    {
34        if (!$this->language) {
35            throw new \LogicException('Unable to match the request as the expression language is not available.');
36        }
37
38        return $this->language->evaluate($this->expression, array(
39            'request' => $request,
40            'method' => $request->getMethod(),
41            'path' => rawurldecode($request->getPathInfo()),
42            'host' => $request->getHost(),
43            'ip' => $request->getClientIp(),
44            'attributes' => $request->attributes->all(),
45        )) && parent::matches($request);
46    }
47}
48