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   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  
  12  namespace Symfony\Component\HttpFoundation;
  13  
  14  use Symfony\Component\ExpressionLanguage\ExpressionLanguage;
  15  
  16  /**
  17   * ExpressionRequestMatcher uses an expression to match a Request.
  18   *
  19   * @author Fabien Potencier <fabien@symfony.com>
  20   */
  21  class 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, [
  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  }