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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\Exception\UnsupportedProxiedClassException;
  22  use ProxyManager\Generator\MethodGenerator;
  23  use ProxyManager\Generator\ParameterGenerator;
  24  use ReflectionClass;
  25  use Zend\Code\Generator\PropertyGenerator;
  26  
  27  /**
  28   * The `__construct` implementation for lazy loading proxies
  29   *
  30   * @author Marco Pivetta <ocramius@gmail.com>
  31   * @license MIT
  32   */
  33  class Constructor extends MethodGenerator
  34  {
  35      /**
  36       * Constructor
  37       */
  38      public function __construct(
  39          ReflectionClass $originalClass,
  40          PropertyGenerator $prefixInterceptors,
  41          PropertyGenerator $suffixInterceptors
  42      ) {
  43          parent::__construct('__construct');
  44  
  45          $localizedObject = new ParameterGenerator('localizedObject');
  46          $prefix          = new ParameterGenerator('prefixInterceptors');
  47          $suffix          = new ParameterGenerator('suffixInterceptors');
  48  
  49          $localizedObject->setType($originalClass->getName());
  50          $prefix->setDefaultValue(array());
  51          $suffix->setDefaultValue(array());
  52          $prefix->setType('array');
  53          $suffix->setType('array');
  54  
  55          $this->setParameter($localizedObject);
  56          $this->setParameter($prefix);
  57          $this->setParameter($suffix);
  58  
  59          $localizedProperties = array();
  60  
  61          foreach ($originalClass->getProperties() as $originalProperty) {
  62              if ((! method_exists('Closure', 'bind')) && $originalProperty->isPrivate()) {
  63                  // @codeCoverageIgnoreStart
  64                  throw UnsupportedProxiedClassException::unsupportedLocalizedReflectionProperty($originalProperty);
  65                  // @codeCoverageIgnoreEnd
  66              }
  67  
  68              $propertyName = $originalProperty->getName();
  69  
  70              if ($originalProperty->isPrivate()) {
  71                  $localizedProperties[] = "\\Closure::bind(function () use (\$localizedObject) {\n    "
  72                      . '$this->' . $propertyName . ' = & $localizedObject->' . $propertyName . ";\n"
  73                      . '}, $this, ' . var_export($originalProperty->getDeclaringClass()->getName(), true)
  74                      . ')->__invoke();';
  75              } else {
  76                  $localizedProperties[] = '$this->' . $propertyName . ' = & $localizedObject->' . $propertyName . ";";
  77              }
  78          }
  79  
  80          $this->setDocblock(
  81              "@override constructor to setup interceptors\n\n"
  82              . "@param \\" . $originalClass->getName() . " \$localizedObject\n"
  83              . "@param \\Closure[] \$prefixInterceptors method interceptors to be used before method logic\n"
  84              . "@param \\Closure[] \$suffixInterceptors method interceptors to be used before method logic"
  85          );
  86          $this->setBody(
  87              (empty($localizedProperties) ? '' : implode("\n\n", $localizedProperties) . "\n\n")
  88              . '$this->' . $prefixInterceptors->getName() . " = \$prefixInterceptors;\n"
  89              . '$this->' . $suffixInterceptors->getName() . " = \$suffixInterceptors;"
  90          );
  91      }
  92  }