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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;
  20  
  21  use ProxyManager\Generator\Util\ClassGeneratorUtils;
  22  use ProxyManager\ProxyGenerator\AccessInterceptor\MethodGenerator\SetMethodPrefixInterceptor;
  23  use ProxyManager\ProxyGenerator\AccessInterceptor\MethodGenerator\SetMethodSuffixInterceptor;
  24  use ProxyManager\ProxyGenerator\AccessInterceptor\PropertyGenerator\MethodPrefixInterceptors;
  25  use ProxyManager\ProxyGenerator\AccessInterceptorScopeLocalizer\MethodGenerator\Constructor;
  26  use ProxyManager\ProxyGenerator\AccessInterceptorScopeLocalizer\MethodGenerator\InterceptedMethod;
  27  use ProxyManager\ProxyGenerator\AccessInterceptorScopeLocalizer\MethodGenerator\MagicClone;
  28  use ProxyManager\ProxyGenerator\AccessInterceptorScopeLocalizer\MethodGenerator\MagicGet;
  29  use ProxyManager\ProxyGenerator\AccessInterceptorScopeLocalizer\MethodGenerator\MagicIsset;
  30  use ProxyManager\ProxyGenerator\AccessInterceptorScopeLocalizer\MethodGenerator\MagicSet;
  31  use ProxyManager\ProxyGenerator\AccessInterceptorScopeLocalizer\MethodGenerator\MagicSleep;
  32  use ProxyManager\ProxyGenerator\AccessInterceptorScopeLocalizer\MethodGenerator\MagicUnset;
  33  use ProxyManager\ProxyGenerator\Assertion\CanProxyAssertion;
  34  use ProxyManager\ProxyGenerator\Util\ProxiedMethodsFilter;
  35  use ReflectionClass;
  36  use ReflectionMethod;
  37  use Zend\Code\Generator\ClassGenerator;
  38  use Zend\Code\Generator\MethodGenerator;
  39  use Zend\Code\Reflection\MethodReflection;
  40  
  41  /**
  42   * Generator for proxies implementing {@see \ProxyManager\Proxy\ValueHolderInterface}
  43   * and localizing scope of the proxied object at instantiation
  44   *
  45   * {@inheritDoc}
  46   *
  47   * @author Marco Pivetta <ocramius@gmail.com>
  48   * @license MIT
  49   */
  50  class AccessInterceptorScopeLocalizerGenerator implements ProxyGeneratorInterface
  51  {
  52      /**
  53       * {@inheritDoc}
  54       */
  55      public function generate(ReflectionClass $originalClass, ClassGenerator $classGenerator)
  56      {
  57          CanProxyAssertion::assertClassCanBeProxied($originalClass, false);
  58  
  59          $classGenerator->setExtendedClass($originalClass->getName());
  60          $classGenerator->setImplementedInterfaces(array('ProxyManager\\Proxy\\AccessInterceptorInterface'));
  61          $classGenerator->addPropertyFromGenerator($prefixInterceptors = new MethodPrefixInterceptors());
  62          $classGenerator->addPropertyFromGenerator($suffixInterceptors = new MethodPrefixInterceptors());
  63  
  64          array_map(
  65              function (MethodGenerator $generatedMethod) use ($originalClass, $classGenerator) {
  66                  ClassGeneratorUtils::addMethodIfNotFinal($originalClass, $classGenerator, $generatedMethod);
  67              },
  68              array_merge(
  69                  array_map(
  70                      function (ReflectionMethod $method) use ($prefixInterceptors, $suffixInterceptors) {
  71                          return InterceptedMethod::generateMethod(
  72                              new MethodReflection($method->getDeclaringClass()->getName(), $method->getName()),
  73                              $prefixInterceptors,
  74                              $suffixInterceptors
  75                          );
  76                      },
  77                      ProxiedMethodsFilter::getProxiedMethods(
  78                          $originalClass,
  79                          array('__get', '__set', '__isset', '__unset', '__clone', '__sleep')
  80                      )
  81                  ),
  82                  array(
  83                      new Constructor($originalClass, $prefixInterceptors, $suffixInterceptors),
  84                      new SetMethodPrefixInterceptor($prefixInterceptors),
  85                      new SetMethodSuffixInterceptor($suffixInterceptors),
  86                      new MagicGet($originalClass, $prefixInterceptors, $suffixInterceptors),
  87                      new MagicSet($originalClass, $prefixInterceptors, $suffixInterceptors),
  88                      new MagicIsset($originalClass, $prefixInterceptors, $suffixInterceptors),
  89                      new MagicUnset($originalClass, $prefixInterceptors, $suffixInterceptors),
  90                      new MagicSleep($originalClass, $prefixInterceptors, $suffixInterceptors),
  91                      new MagicClone($originalClass, $prefixInterceptors, $suffixInterceptors),
  92                  )
  93              )
  94          );
  95      }
  96  }