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   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  namespace ProxyManager\ProxyGenerator\AccessInterceptorScopeLocalizer\MethodGenerator;
  20  
  21  use ProxyManager\Generator\MagicMethodGenerator;
  22  use ProxyManager\Generator\ParameterGenerator;
  23  use ProxyManager\ProxyGenerator\AccessInterceptorScopeLocalizer\MethodGenerator\Util\InterceptorGenerator;
  24  use ProxyManager\ProxyGenerator\Util\PublicScopeSimulator;
  25  use ReflectionClass;
  26  use Zend\Code\Generator\PropertyGenerator;
  27  
  28  /**
  29   * Magic `__unset` method for lazy loading ghost objects
  30   *
  31   * @author Marco Pivetta <ocramius@gmail.com>
  32   * @license MIT
  33   */
  34  class MagicUnset extends MagicMethodGenerator
  35  {
  36      /**
  37       * @param ReflectionClass   $originalClass
  38       * @param PropertyGenerator $prefixInterceptors
  39       * @param PropertyGenerator $suffixInterceptors
  40       */
  41      public function __construct(
  42          ReflectionClass $originalClass,
  43          PropertyGenerator $prefixInterceptors,
  44          PropertyGenerator $suffixInterceptors
  45      ) {
  46          parent::__construct($originalClass, '__unset', array(new ParameterGenerator('name')));
  47  
  48          $override = $originalClass->hasMethod('__unset');
  49  
  50          $this->setDocblock(($override ? "{@inheritDoc}\n" : '') . '@param string $name');
  51  
  52          if ($override) {
  53              $callParent = '$returnValue = & parent::__unset($name);';
  54          } else {
  55              $callParent = PublicScopeSimulator::getPublicAccessSimulationCode(
  56                  PublicScopeSimulator::OPERATION_UNSET,
  57                  'name',
  58                  null,
  59                  null,
  60                  'returnValue'
  61              );
  62          }
  63  
  64          $this->setBody(
  65              InterceptorGenerator::createInterceptedMethodBody(
  66                  $callParent,
  67                  $this,
  68                  $prefixInterceptors,
  69                  $suffixInterceptors
  70              )
  71          );
  72      }
  73  }