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/vendor/ocramius/proxy-manager/src/ProxyManager/ProxyGenerator/Util/ -> ProxiedMethodsFilter.php (source)

   1  <?php
   2  /*
   3   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   4   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   5   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   6   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   7   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   8   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   9   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  10   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  11   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  12   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  13   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  14   *
  15   * This software consists of voluntary contributions made by many individuals
  16   * and is licensed under the MIT license.
  17   */
  18  
  19  declare(strict_types=1);
  20  
  21  namespace ProxyManager\ProxyGenerator\Util;
  22  
  23  use ReflectionClass;
  24  use ReflectionMethod;
  25  
  26  /**
  27   * Utility class used to filter methods that can be proxied
  28   *
  29   * @author Marco Pivetta <ocramius@gmail.com>
  30   * @license MIT
  31   */
  32  final class ProxiedMethodsFilter
  33  {
  34      /**
  35       * @var string[]
  36       */
  37      private static $defaultExcluded = [
  38          '__get',
  39          '__set',
  40          '__isset',
  41          '__unset',
  42          '__clone',
  43          '__sleep',
  44          '__wakeup',
  45      ];
  46  
  47      /**
  48       * @param ReflectionClass $class    reflection class from which methods should be extracted
  49       * @param string[]        $excluded methods to be ignored
  50       *
  51       * @return ReflectionMethod[]
  52       */
  53      public static function getProxiedMethods(ReflectionClass $class, array $excluded = null) : array
  54      {
  55          return self::doFilter($class, (null === $excluded) ? self::$defaultExcluded : $excluded);
  56      }
  57  
  58      /**
  59       * @param ReflectionClass $class    reflection class from which methods should be extracted
  60       * @param string[]        $excluded methods to be ignored
  61       *
  62       * @return ReflectionMethod[]
  63       */
  64      public static function getAbstractProxiedMethods(ReflectionClass $class, array $excluded = null) : array
  65      {
  66          return self::doFilter($class, (null === $excluded) ? self::$defaultExcluded : $excluded, true);
  67      }
  68  
  69      /**
  70       * @param ReflectionClass $class
  71       * @param string[]        $excluded
  72       * @param bool            $requireAbstract
  73       *
  74       * @return ReflectionMethod[]
  75       */
  76      private static function doFilter(ReflectionClass $class, array $excluded, bool $requireAbstract = false) : array
  77      {
  78          $ignored = array_flip(array_map('strtolower', $excluded));
  79  
  80          return array_filter(
  81              $class->getMethods(ReflectionMethod::IS_PUBLIC),
  82              function (ReflectionMethod $method) use ($ignored, $requireAbstract) : bool {
  83                  return (! $requireAbstract || $method->isAbstract()) && ! (
  84                      \array_key_exists(strtolower($method->getName()), $ignored)
  85                      || self::methodCannotBeProxied($method)
  86                  );
  87              }
  88          );
  89      }
  90  
  91      /**
  92       * Checks whether the method cannot be proxied
  93       *
  94       * @param ReflectionMethod $method
  95       *
  96       * @return bool
  97       */
  98      private static function methodCannotBeProxied(ReflectionMethod $method) : bool
  99      {
 100          return $method->isConstructor() || $method->isFinal() || $method->isStatic();
 101      }
 102  }


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