63c77aae53
Conflicts: composer.json src/Symfony/Bundle/FrameworkBundle/Command/RouterApacheDumperCommand.php src/Symfony/Bundle/FrameworkBundle/Command/RouterDebugCommand.php src/Symfony/Bundle/FrameworkBundle/Console/Descriptor/TextDescriptor.php src/Symfony/Bundle/SecurityBundle/Resources/config/security.xml src/Symfony/Bundle/SecurityBundle/Resources/config/security_listeners.xml src/Symfony/Bundle/TwigBundle/Controller/ExceptionController.php src/Symfony/Component/ClassLoader/ApcUniversalClassLoader.php src/Symfony/Component/ClassLoader/DebugClassLoader.php src/Symfony/Component/ClassLoader/UniversalClassLoader.php src/Symfony/Component/Console/Input/StringInput.php src/Symfony/Component/Debug/DebugClassLoader.php src/Symfony/Component/DependencyInjection/Container.php src/Symfony/Component/DependencyInjection/ContainerBuilder.php src/Symfony/Component/DependencyInjection/ContainerInterface.php src/Symfony/Component/DependencyInjection/Definition.php src/Symfony/Component/DependencyInjection/DefinitionDecorator.php src/Symfony/Component/DependencyInjection/Scope.php src/Symfony/Component/DependencyInjection/ScopeInterface.php src/Symfony/Component/DomCrawler/composer.json src/Symfony/Component/EventDispatcher/Event.php src/Symfony/Component/HttpKernel/Kernel.php src/Symfony/Component/HttpKernel/KernelInterface.php src/Symfony/Component/HttpKernel/Log/LoggerInterface.php src/Symfony/Component/HttpKernel/Log/NullLogger.php src/Symfony/Component/Security/Core/composer.json src/Symfony/Component/Security/Resources/translations/security.tr.xlf src/Symfony/Component/Security/composer.json src/Symfony/Component/Translation/Translator.php
142 lines
3.9 KiB
PHP
142 lines
3.9 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\ClassLoader;
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/**
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* XcacheClassLoader implements a wrapping autoloader cached in XCache for PHP 5.3.
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*
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* It expects an object implementing a findFile method to find the file. This
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* allows using it as a wrapper around the other loaders of the component (the
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* ClassLoader for instance) but also around any other autoloaders following
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* this convention (the Composer one for instance).
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*
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* // with a Symfony autoloader
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* $loader = new ClassLoader();
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* $loader->addPrefix('Symfony\Component', __DIR__.'/component');
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* $loader->addPrefix('Symfony', __DIR__.'/framework');
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*
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* // or with a Composer autoloader
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* use Composer\Autoload\ClassLoader;
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*
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* $loader = new ClassLoader();
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* $loader->add('Symfony\Component', __DIR__.'/component');
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* $loader->add('Symfony', __DIR__.'/framework');
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*
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* $cachedLoader = new XcacheClassLoader('my_prefix', $loader);
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*
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* // activate the cached autoloader
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* $cachedLoader->register();
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*
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* // eventually deactivate the non-cached loader if it was registered previously
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* // to be sure to use the cached one.
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* $loader->unregister();
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*
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* @author Fabien Potencier <fabien@symfony.com>
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* @author Kris Wallsmith <kris@symfony.com>
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* @author Kim Hemsø Rasmussen <kimhemsoe@gmail.com>
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*/
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class XcacheClassLoader
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{
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private $prefix;
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/**
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* A class loader object that implements the findFile() method.
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*
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* @var object
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*/
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private $decorated;
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/**
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* Constructor.
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*
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* @param string $prefix The XCache namespace prefix to use.
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* @param object $decorated A class loader object that implements the findFile() method.
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*
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* @throws \RuntimeException
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* @throws \InvalidArgumentException
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*/
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public function __construct($prefix, $decorated)
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{
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if (!extension_loaded('xcache')) {
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throw new \RuntimeException('Unable to use XcacheClassLoader as XCache is not enabled.');
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}
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if (!method_exists($decorated, 'findFile')) {
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throw new \InvalidArgumentException('The class finder must implement a "findFile" method.');
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}
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$this->prefix = $prefix;
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$this->decorated = $decorated;
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}
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/**
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* Registers this instance as an autoloader.
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*
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* @param bool $prepend Whether to prepend the autoloader or not
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*/
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public function register($prepend = false)
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{
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spl_autoload_register(array($this, 'loadClass'), true, $prepend);
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}
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/**
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* Unregisters this instance as an autoloader.
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*/
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public function unregister()
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{
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spl_autoload_unregister(array($this, 'loadClass'));
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}
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/**
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* Loads the given class or interface.
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*
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* @param string $class The name of the class
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*
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* @return bool|null True, if loaded
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*/
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public function loadClass($class)
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{
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if ($file = $this->findFile($class)) {
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require $file;
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return true;
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}
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}
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/**
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* Finds a file by class name while caching lookups to Xcache.
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*
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* @param string $class A class name to resolve to file
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*
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* @return string|null
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*/
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public function findFile($class)
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{
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if (xcache_isset($this->prefix.$class)) {
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$file = xcache_get($this->prefix.$class);
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} else {
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$file = $this->decorated->findFile($class);
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xcache_set($this->prefix.$class, $file);
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}
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return $file;
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}
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/**
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* Passes through all unknown calls onto the decorated object.
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*/
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public function __call($method, $args)
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{
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return call_user_func_array(array($this->decorated, $method), $args);
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}
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}
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