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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\AccessInterceptorValueHolder\MethodGenerator;
  20  
  21  use ProxyManager\Generator\MagicMethodGenerator;
  22  use ProxyManager\Generator\ParameterGenerator;
  23  use ProxyManager\ProxyGenerator\AccessInterceptorValueHolder\MethodGenerator\Util\InterceptorGenerator;
  24  use ProxyManager\ProxyGenerator\PropertyGenerator\PublicPropertiesMap;
  25  use ProxyManager\ProxyGenerator\Util\PublicScopeSimulator;
  26  use ReflectionClass;
  27  use Zend\Code\Generator\PropertyGenerator;
  28  
  29  /**
  30   * Magic `__isset` for method interceptor value holder objects
  31   *
  32   * @author Marco Pivetta <ocramius@gmail.com>
  33   * @license MIT
  34   */
  35  class MagicIsset extends MagicMethodGenerator
  36  {
  37      /**
  38       * Constructor
  39       */
  40      public function __construct(
  41          ReflectionClass $originalClass,
  42          PropertyGenerator $valueHolder,
  43          PropertyGenerator $prefixInterceptors,
  44          PropertyGenerator $suffixInterceptors,
  45          PublicPropertiesMap $publicProperties
  46      ) {
  47          parent::__construct($originalClass, '__isset', array(new ParameterGenerator('name')));
  48  
  49          $override        = $originalClass->hasMethod('__isset');
  50          $valueHolderName = $valueHolder->getName();
  51  
  52          $this->setDocblock(($override ? "{@inheritDoc}\n" : '') . '@param string $name');
  53  
  54          $callParent = PublicScopeSimulator::getPublicAccessSimulationCode(
  55              PublicScopeSimulator::OPERATION_ISSET,
  56              'name',
  57              'value',
  58              $valueHolder,
  59              'returnValue'
  60          );
  61  
  62          if (! $publicProperties->isEmpty()) {
  63              $callParent = 'if (isset(self::$' . $publicProperties->getName() . "[\$name])) {\n"
  64                  . '    $returnValue = isset($this->' . $valueHolderName . '->$name);'
  65                  . "\n} else {\n    $callParent\n}\n\n";
  66          }
  67  
  68          $this->setBody(
  69              InterceptorGenerator::createInterceptedMethodBody(
  70                  $callParent,
  71                  $this,
  72                  $valueHolder,
  73                  $prefixInterceptors,
  74                  $suffixInterceptors
  75              )
  76          );
  77      }
  78  }