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/vendor/ocramius/proxy-manager/src/ProxyManager/ProxyGenerator/NullObject/MethodGenerator/ -> NullObjectMethodInterceptor.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\NullObject\MethodGenerator;
  22  
  23  use ProxyManager\Generator\MethodGenerator;
  24  use ProxyManager\Generator\Util\UniqueIdentifierGenerator;
  25  use Zend\Code\Reflection\MethodReflection;
  26  
  27  /**
  28   * Method decorator for null objects
  29   *
  30   * @author Vincent Blanchon <blanchon.vincent@gmail.com>
  31   * @license MIT
  32   */
  33  class NullObjectMethodInterceptor extends MethodGenerator
  34  {
  35      /**
  36       * @param \Zend\Code\Reflection\MethodReflection $originalMethod
  37       *
  38       * @return self|static
  39       */
  40      public static function generateMethod(MethodReflection $originalMethod) : self
  41      {
  42          /* @var $method self */
  43          $method = static::fromReflection($originalMethod);
  44  
  45          if ('void' === (string) $originalMethod->getReturnType()) {
  46              $method->setBody('');
  47  
  48              return $method;
  49          }
  50  
  51          if ($originalMethod->returnsReference()) {
  52              $reference = UniqueIdentifierGenerator::getIdentifier('ref');
  53  
  54              $method->setBody("\$$reference = null;\nreturn \$$reference;");
  55  
  56              return $method;
  57          }
  58  
  59          $method->setBody('');
  60  
  61          return $method;
  62      }
  63  }


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