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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Proxy; |
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use Exception; |
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use Yiisoft\Proxy\Config\ClassConfig; |
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final class ProxyManager |
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{ |
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/** |
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* @var ClassRenderer A class renderer dependency. |
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*/ |
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private ClassRenderer $classRenderer; |
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/** |
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* @var ClassConfigFactory A class config factory dependency. |
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*/ |
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private ClassConfigFactory $classConfigFactory; |
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/** |
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* @var ClassCache|null A class cache dependency (optional). |
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*/ |
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private ?ClassCache $classCache; |
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/** |
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* A suffix appended to proxy class names / files. |
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*/ |
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public const PROXY_SUFFIX = 'Proxy'; |
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/** |
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* @param string|null $cachePath Cache path, optional, {@see ClassCache::$cachePath}. |
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*/ |
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public function __construct(string $cachePath = null) |
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{ |
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$this->classCache = $cachePath ? new ClassCache($cachePath) : null; |
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$this->classRenderer = new ClassRenderer(); |
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$this->classConfigFactory = new ClassConfigFactory(); |
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} |
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/** |
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* Creates object proxy based on an interface / a class and parent proxy class. |
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* |
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* @param string $baseStructure Either or an interface or a class for proxying method calls. |
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* @param string $parentProxyClass A base proxy class which acts like a parent for dynamically created proxy. |
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* {@see ObjectProxy} or a class extended from it must be used. |
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* @param array $proxyConstructorArguments A list of arguments passed to proxy constructor |
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* ({@see ObjectProxy::__construct}). |
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* |
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* @throws Exception In case of error during creation or working with cache / requiring PHP code. |
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* |
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* @return ObjectProxy A subclass of {@see ObjectProxy}. |
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*/ |
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public function createObjectProxy( |
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string $baseStructure, |
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string $parentProxyClass, |
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array $proxyConstructorArguments |
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): ObjectProxy { |
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$className = $baseStructure . self::PROXY_SUFFIX; |
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$shortClassName = self::getProxyClassName($className); |
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if (class_exists($shortClassName)) { |
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return new $shortClassName(...$proxyConstructorArguments); |
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} |
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$classDeclaration = $this->classCache?->get($className, $parentProxyClass); |
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if (!$classDeclaration) { |
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$classConfig = $this->classConfigFactory->getClassConfig($baseStructure); |
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$classConfig = $this->generateProxyClassConfig($classConfig, $parentProxyClass); |
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$classDeclaration = $this->classRenderer->render($classConfig); |
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$this->classCache?->set($baseStructure, $parentProxyClass, $classDeclaration); |
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} |
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if (!$this->classCache) { |
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eval(str_replace('<?php', '', $classDeclaration)); |
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} else { |
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$path = $this->classCache->getClassPath($baseStructure, $parentProxyClass); |
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require $path; |
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} |
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return new $shortClassName(...$proxyConstructorArguments); |
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} |
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/** |
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* Generates class config for using with proxy from a regular class config. |
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* |
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* @param ClassConfig $classConfig Initial class config. |
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* @param string $parentProxyClass A base proxy class which acts like a parent for dynamically created proxy. |
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* {@see ObjectProxy} or a class extended from it must be used. |
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* |
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* @return ClassConfig Modified class config ready for using with proxy. |
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*/ |
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private function generateProxyClassConfig(ClassConfig $classConfig, string $parentProxyClass): ClassConfig |
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{ |
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if ($classConfig->isInterface) { |
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$classConfig->isInterface = false; |
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} |
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$classConfig->parent = $parentProxyClass; |
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$classConfig->name .= self::PROXY_SUFFIX; |
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$classConfig->shortName = self::getProxyClassName($classConfig->name); |
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foreach ($classConfig->methods as $methodIndex => $method) { |
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foreach ($method->modifiers as $index => $modifier) { |
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if ($modifier === 'abstract') { |
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unset($classConfig->methods[$methodIndex]->modifiers[$index]); |
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} |
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} |
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} |
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return $classConfig; |
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} |
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/** |
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* Transforms full class / interface name with namespace to short class name for using in proxy. For example: |
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* |
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* - `Yiisoft\Proxy\Tests\Stub\GraphInterfaceProxy` becomes `Yiisoft_Proxy_Tests_Stub_GraphInterfaceProxy`. |
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* - `Yiisoft\Proxy\Tests\Stub\GraphProxy` becomes `Yiisoft_Proxy_Tests_Stub_GraphProxy`. |
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* |
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* and so on. |
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* |
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* @param string $fullClassName Initial class name. |
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* |
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* @return string Proxy class name. |
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*/ |
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private static function getProxyClassName(string $fullClassName): string |
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{ |
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return str_replace('\\', '_', $fullClassName); |
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} |
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} |
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yiisoft /
proxy
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