/**
* Generates the necessary methods in the class.
*
* @param \ReflectionClass $originalClass
* @param PhpClass $class
* @return void
*/
public function generate(\ReflectionClass $originalClass, PhpClass $class)
{
$methods = ReflectionUtils::getOverrideableMethods($originalClass, true);
// no public, non final methods
if (empty($methods)) {
return;
}
if (null !== $this->markerInterface) {
$class->setImplementedInterfaces(array_merge($class->getImplementedInterfaces(), array($this->markerInterface)));
}
$initializer = new PhpProperty();
$initializer->setName($this->prefix . 'lazyInitializer');
$initializer->setVisibility(PhpProperty::VISIBILITY_PRIVATE);
$class->setProperty($initializer);
$initialized = new PhpProperty();
$initialized->setName($this->prefix . 'initialized');
$initialized->setDefaultValue(false);
$initialized->setVisibility(PhpProperty::VISIBILITY_PRIVATE);
$class->setProperty($initialized);
$initializerSetter = new PhpMethod();
$initializerSetter->setName($this->prefix . 'setLazyInitializer');
$initializerSetter->setBody('$this->' . $this->prefix . 'lazyInitializer = $initializer;');
$parameter = new PhpParameter();
$parameter->setName('initializer');
$parameter->setType('\\CG\\Proxy\\LazyInitializerInterface');
$initializerSetter->addParameter($parameter);
$class->setMethod($initializerSetter);
$this->addMethods($class, $methods);
$initializingMethod = new PhpMethod();
$initializingMethod->setName($this->prefix . 'initialize');
$initializingMethod->setVisibility(PhpMethod::VISIBILITY_PRIVATE);
$initializingMethod->setBody($this->writer->reset()->writeln('if (null === $this->' . $this->prefix . 'lazyInitializer) {')->indent()->writeln('throw new \\RuntimeException("' . $this->prefix . 'setLazyInitializer() must be called prior to any other public method on this object.");')->outdent()->write("}\n\n")->writeln('$this->' . $this->prefix . 'lazyInitializer->initializeObject($this);')->writeln('$this->' . $this->prefix . 'initialized = true;')->getContent());
$class->setMethod($initializingMethod);
}
public function generate(\ReflectionClass $originalClass, PhpClass $genClass)
{
$methods = ReflectionUtils::getOverrideableMethods($originalClass);
if (null !== $this->filter) {
$methods = array_filter($methods, $this->filter);
}
if (empty($methods)) {
return;
}
if (!empty($this->requiredFile)) {
$genClass->addRequiredFile($this->requiredFile);
}
$interceptorLoader = new PhpProperty();
$interceptorLoader->setName($this->prefix . 'loader')->setVisibility(PhpProperty::VISIBILITY_PRIVATE);
$genClass->setProperty($interceptorLoader);
$loaderSetter = new PhpMethod();
$loaderSetter->setName($this->prefix . 'setLoader')->setVisibility(PhpMethod::VISIBILITY_PUBLIC)->setBody('$this->' . $this->prefix . 'loader = $loader;');
$genClass->setMethod($loaderSetter);
$loaderParam = new PhpParameter();
$loaderParam->setName('loader')->setType('CG\\Proxy\\InterceptorLoaderInterface');
$loaderSetter->addParameter($loaderParam);
$interceptorCode = '$ref = new \\ReflectionMethod(%s, %s);' . "\n" . '$interceptors = $this->' . $this->prefix . 'loader->loadInterceptors($ref, $this, array(%s));' . "\n" . '$invocation = new \\CG\\Proxy\\MethodInvocation($ref, $this, array(%s), $interceptors);' . "\n\n" . 'return $invocation->proceed();';
foreach ($methods as $method) {
$params = array();
foreach ($method->getParameters() as $param) {
$params[] = '$' . $param->name;
}
$params = implode(', ', $params);
$genMethod = PhpMethod::fromReflection($method)->setBody(sprintf($interceptorCode, var_export(ClassUtils::getUserClass($method->class), true), var_export($method->name, true), $params, $params))->setDocblock(null);
$genClass->setMethod($genMethod);
}
}
public function testGetOverridableMethods()
{
$ref = new \ReflectionClass('CG\\Tests\\Core\\OverridableReflectionTest');
$methods = ReflectionUtils::getOverrideableMethods($ref);
$this->assertEquals(4, count($methods));
$methods = array_map(function ($v) {
return $v->name;
}, $methods);
sort($methods);
$this->assertEquals(array('a', 'd', 'e', 'h'), $methods);
}
/**
* @param array<PointcutInterface> $pointcuts
* @param array<string,string> $interceptors
*/
private function processDefinition(Definition $definition, $pointcuts, &$interceptors)
{
if ($definition->isSynthetic()) {
return;
}
// Symfony 2.6 getFactory method
// TODO: Use only getFactory when bumping require to Symfony >= 2.6
if (method_exists($definition, 'getFactory') && $definition->getFactory()) {
return;
}
if (!method_exists($definition, 'getFactory') && ($definition->getFactoryService() || $definition->getFactoryClass())) {
return;
}
if ($originalFilename = $definition->getFile()) {
require_once $originalFilename;
}
if (!class_exists($definition->getClass())) {
return;
}
$class = new \ReflectionClass($definition->getClass());
// check if class is matched
$matchingPointcuts = array();
foreach ($pointcuts as $interceptor => $pointcut) {
if ($pointcut->matchesClass($class)) {
$matchingPointcuts[$interceptor] = $pointcut;
}
}
if (empty($matchingPointcuts)) {
return;
}
$this->addResources($class, $this->container);
if ($class->isFinal()) {
return;
}
$classAdvices = array();
foreach (ReflectionUtils::getOverrideableMethods($class) as $method) {
if ('__construct' === $method->name) {
continue;
}
$advices = array();
foreach ($matchingPointcuts as $interceptor => $pointcut) {
if ($pointcut->matchesMethod($method)) {
$advices[] = $interceptor;
}
}
if (empty($advices)) {
continue;
}
$classAdvices[$method->name] = $advices;
}
if (empty($classAdvices)) {
return;
}
$interceptors[ClassUtils::getUserClass($class->name)] = $classAdvices;
$proxyFilename = $this->cacheDir . '/' . str_replace('\\', '-', $class->name) . '.php';
$generator = new InterceptionGenerator();
$generator->setFilter(function (\ReflectionMethod $method) use($classAdvices) {
return isset($classAdvices[$method->name]);
});
if ($originalFilename) {
$relativeOriginalFilename = $this->relativizePath($proxyFilename, $originalFilename);
if ($relativeOriginalFilename[0] === '.') {
$generator->setRequiredFile(new RelativePath($relativeOriginalFilename));
} else {
$generator->setRequiredFile($relativeOriginalFilename);
}
}
$enhancer = new Enhancer($class, array(), array($generator));
$enhancer->setNamingStrategy(new DefaultNamingStrategy('EnhancedProxy' . substr(md5($this->container->getParameter('jms_aop.cache_dir')), 0, 8)));
$enhancer->writeClass($proxyFilename);
$definition->setFile($proxyFilename);
$definition->setClass($enhancer->getClassName($class));
$definition->addMethodCall('__CGInterception__setLoader', array(new Reference('jms_aop.interceptor_loader')));
}
