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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\MagicWakeup;
  23  use ProxyManager\ProxyGenerator\AccessInterceptor\MethodGenerator\SetMethodPrefixInterceptor;
  24  use ProxyManager\ProxyGenerator\AccessInterceptor\MethodGenerator\SetMethodSuffixInterceptor;
  25  use ProxyManager\ProxyGenerator\AccessInterceptor\PropertyGenerator\MethodPrefixInterceptors;
  26  use ProxyManager\ProxyGenerator\AccessInterceptor\PropertyGenerator\MethodSuffixInterceptors;
  27  use ProxyManager\ProxyGenerator\AccessInterceptorValueHolder\MethodGenerator\Constructor;
  28  use ProxyManager\ProxyGenerator\AccessInterceptorValueHolder\MethodGenerator\InterceptedMethod;
  29  use ProxyManager\ProxyGenerator\AccessInterceptorValueHolder\MethodGenerator\MagicClone;
  30  use ProxyManager\ProxyGenerator\AccessInterceptorValueHolder\MethodGenerator\MagicGet;
  31  use ProxyManager\ProxyGenerator\AccessInterceptorValueHolder\MethodGenerator\MagicIsset;
  32  use ProxyManager\ProxyGenerator\AccessInterceptorValueHolder\MethodGenerator\MagicSet;
  33  use ProxyManager\ProxyGenerator\AccessInterceptorValueHolder\MethodGenerator\MagicUnset;
  34  use ProxyManager\ProxyGenerator\Assertion\CanProxyAssertion;
  35  use ProxyManager\ProxyGenerator\LazyLoadingValueHolder\PropertyGenerator\ValueHolderProperty;
  36  use ProxyManager\ProxyGenerator\PropertyGenerator\PublicPropertiesMap;
  37  use ProxyManager\ProxyGenerator\Util\ProxiedMethodsFilter;
  38  use ProxyManager\ProxyGenerator\ValueHolder\MethodGenerator\GetWrappedValueHolderValue;
  39  use ProxyManager\ProxyGenerator\ValueHolder\MethodGenerator\MagicSleep;
  40  use ReflectionClass;
  41  use ReflectionMethod;
  42  use Zend\Code\Generator\ClassGenerator;
  43  use Zend\Code\Generator\MethodGenerator;
  44  use Zend\Code\Reflection\MethodReflection;
  45  
  46  /**
  47   * Generator for proxies implementing {@see \ProxyManager\Proxy\ValueHolderInterface}
  48   * and {@see \ProxyManager\Proxy\AccessInterceptorInterface}
  49   *
  50   * {@inheritDoc}
  51   *
  52   * @author Marco Pivetta <ocramius@gmail.com>
  53   * @license MIT
  54   */
  55  class AccessInterceptorValueHolderGenerator implements ProxyGeneratorInterface
  56  {
  57      /**
  58       * {@inheritDoc}
  59       */
  60      public function generate(ReflectionClass $originalClass, ClassGenerator $classGenerator)
  61      {
  62          CanProxyAssertion::assertClassCanBeProxied($originalClass);
  63  
  64          $publicProperties    = new PublicPropertiesMap($originalClass);
  65          $interfaces          = array(
  66              'ProxyManager\\Proxy\\AccessInterceptorInterface',
  67              'ProxyManager\\Proxy\\ValueHolderInterface',
  68          );
  69  
  70          if ($originalClass->isInterface()) {
  71              $interfaces[] = $originalClass->getName();
  72          } else {
  73              $classGenerator->setExtendedClass($originalClass->getName());
  74          }
  75  
  76          $classGenerator->setImplementedInterfaces($interfaces);
  77          $classGenerator->addPropertyFromGenerator($valueHolder = new ValueHolderProperty());
  78          $classGenerator->addPropertyFromGenerator($prefixInterceptors = new MethodPrefixInterceptors());
  79          $classGenerator->addPropertyFromGenerator($suffixInterceptors = new MethodSuffixInterceptors());
  80          $classGenerator->addPropertyFromGenerator($publicProperties);
  81  
  82          array_map(
  83              function (MethodGenerator $generatedMethod) use ($originalClass, $classGenerator) {
  84                  ClassGeneratorUtils::addMethodIfNotFinal($originalClass, $classGenerator, $generatedMethod);
  85              },
  86              array_merge(
  87                  array_map(
  88                      function (ReflectionMethod $method) use ($prefixInterceptors, $suffixInterceptors, $valueHolder) {
  89                          return InterceptedMethod::generateMethod(
  90                              new MethodReflection($method->getDeclaringClass()->getName(), $method->getName()),
  91                              $valueHolder,
  92                              $prefixInterceptors,
  93                              $suffixInterceptors
  94                          );
  95                      },
  96                      ProxiedMethodsFilter::getProxiedMethods($originalClass)
  97                  ),
  98                  array(
  99                      new Constructor($originalClass, $valueHolder, $prefixInterceptors, $suffixInterceptors),
 100                      new GetWrappedValueHolderValue($valueHolder),
 101                      new SetMethodPrefixInterceptor($prefixInterceptors),
 102                      new SetMethodSuffixInterceptor($suffixInterceptors),
 103                      new MagicGet(
 104                          $originalClass,
 105                          $valueHolder,
 106                          $prefixInterceptors,
 107                          $suffixInterceptors,
 108                          $publicProperties
 109                      ),
 110                      new MagicSet(
 111                          $originalClass,
 112                          $valueHolder,
 113                          $prefixInterceptors,
 114                          $suffixInterceptors,
 115                          $publicProperties
 116                      ),
 117                      new MagicIsset(
 118                          $originalClass,
 119                          $valueHolder,
 120                          $prefixInterceptors,
 121                          $suffixInterceptors,
 122                          $publicProperties
 123                      ),
 124                      new MagicUnset(
 125                          $originalClass,
 126                          $valueHolder,
 127                          $prefixInterceptors,
 128                          $suffixInterceptors,
 129                          $publicProperties
 130                      ),
 131                      new MagicClone($originalClass, $valueHolder, $prefixInterceptors, $suffixInterceptors),
 132                      new MagicSleep($originalClass, $valueHolder),
 133                      new MagicWakeup($originalClass, $valueHolder),
 134                  )
 135              )
 136          );
 137      }
 138  }