Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\HttpKernel;
Chris@0: 
Chris@0: use Symfony\Bridge\ProxyManager\LazyProxy\Instantiator\RuntimeInstantiator;
Chris@0: use Symfony\Bridge\ProxyManager\LazyProxy\PhpDumper\ProxyDumper;
Chris@0: use Symfony\Component\DependencyInjection\ContainerInterface;
Chris@0: use Symfony\Component\DependencyInjection\ContainerBuilder;
Chris@0: use Symfony\Component\DependencyInjection\Dumper\PhpDumper;
Chris@0: use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
Chris@0: use Symfony\Component\DependencyInjection\Loader\YamlFileLoader;
Chris@0: use Symfony\Component\DependencyInjection\Loader\IniFileLoader;
Chris@0: use Symfony\Component\DependencyInjection\Loader\PhpFileLoader;
Chris@0: use Symfony\Component\DependencyInjection\Loader\DirectoryLoader;
Chris@0: use Symfony\Component\DependencyInjection\Loader\ClosureLoader;
Chris@0: use Symfony\Component\HttpFoundation\Request;
Chris@0: use Symfony\Component\HttpFoundation\Response;
Chris@0: use Symfony\Component\HttpKernel\Bundle\BundleInterface;
Chris@0: use Symfony\Component\HttpKernel\Config\EnvParametersResource;
Chris@0: use Symfony\Component\HttpKernel\Config\FileLocator;
Chris@0: use Symfony\Component\HttpKernel\DependencyInjection\MergeExtensionConfigurationPass;
Chris@0: use Symfony\Component\HttpKernel\DependencyInjection\AddClassesToCachePass;
Chris@0: use Symfony\Component\Config\Loader\LoaderResolver;
Chris@0: use Symfony\Component\Config\Loader\DelegatingLoader;
Chris@0: use Symfony\Component\Config\ConfigCache;
Chris@0: use Symfony\Component\ClassLoader\ClassCollectionLoader;
Chris@0: 
Chris@0: /**
Chris@0:  * The Kernel is the heart of the Symfony system.
Chris@0:  *
Chris@0:  * It manages an environment made of bundles.
Chris@0:  *
Chris@0:  * @author Fabien Potencier <fabien@symfony.com>
Chris@0:  */
Chris@0: abstract class Kernel implements KernelInterface, TerminableInterface
Chris@0: {
Chris@0:     /**
Chris@0:      * @var BundleInterface[]
Chris@0:      */
Chris@0:     protected $bundles = array();
Chris@0: 
Chris@0:     protected $bundleMap;
Chris@0:     protected $container;
Chris@0:     protected $rootDir;
Chris@0:     protected $environment;
Chris@0:     protected $debug;
Chris@0:     protected $booted = false;
Chris@0:     protected $name;
Chris@0:     protected $startTime;
Chris@0:     protected $loadClassCache;
Chris@0: 
Chris@0:     const VERSION = '3.2.8';
Chris@0:     const VERSION_ID = 30208;
Chris@0:     const MAJOR_VERSION = 3;
Chris@0:     const MINOR_VERSION = 2;
Chris@0:     const RELEASE_VERSION = 8;
Chris@0:     const EXTRA_VERSION = '';
Chris@0: 
Chris@0:     const END_OF_MAINTENANCE = '07/2017';
Chris@0:     const END_OF_LIFE = '01/2018';
Chris@0: 
Chris@0:     /**
Chris@0:      * Constructor.
Chris@0:      *
Chris@0:      * @param string $environment The environment
Chris@0:      * @param bool   $debug       Whether to enable debugging or not
Chris@0:      */
Chris@0:     public function __construct($environment, $debug)
Chris@0:     {
Chris@0:         $this->environment = $environment;
Chris@0:         $this->debug = (bool) $debug;
Chris@0:         $this->rootDir = $this->getRootDir();
Chris@0:         $this->name = $this->getName();
Chris@0: 
Chris@0:         if ($this->debug) {
Chris@0:             $this->startTime = microtime(true);
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     public function __clone()
Chris@0:     {
Chris@0:         if ($this->debug) {
Chris@0:             $this->startTime = microtime(true);
Chris@0:         }
Chris@0: 
Chris@0:         $this->booted = false;
Chris@0:         $this->container = null;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Boots the current kernel.
Chris@0:      */
Chris@0:     public function boot()
Chris@0:     {
Chris@0:         if (true === $this->booted) {
Chris@0:             return;
Chris@0:         }
Chris@0: 
Chris@0:         if ($this->loadClassCache) {
Chris@0:             $this->doLoadClassCache($this->loadClassCache[0], $this->loadClassCache[1]);
Chris@0:         }
Chris@0: 
Chris@0:         // init bundles
Chris@0:         $this->initializeBundles();
Chris@0: 
Chris@0:         // init container
Chris@0:         $this->initializeContainer();
Chris@0: 
Chris@0:         foreach ($this->getBundles() as $bundle) {
Chris@0:             $bundle->setContainer($this->container);
Chris@0:             $bundle->boot();
Chris@0:         }
Chris@0: 
Chris@0:         $this->booted = true;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function terminate(Request $request, Response $response)
Chris@0:     {
Chris@0:         if (false === $this->booted) {
Chris@0:             return;
Chris@0:         }
Chris@0: 
Chris@0:         if ($this->getHttpKernel() instanceof TerminableInterface) {
Chris@0:             $this->getHttpKernel()->terminate($request, $response);
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function shutdown()
Chris@0:     {
Chris@0:         if (false === $this->booted) {
Chris@0:             return;
Chris@0:         }
Chris@0: 
Chris@0:         $this->booted = false;
Chris@0: 
Chris@0:         foreach ($this->getBundles() as $bundle) {
Chris@0:             $bundle->shutdown();
Chris@0:             $bundle->setContainer(null);
Chris@0:         }
Chris@0: 
Chris@0:         $this->container = null;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function handle(Request $request, $type = HttpKernelInterface::MASTER_REQUEST, $catch = true)
Chris@0:     {
Chris@0:         if (false === $this->booted) {
Chris@0:             $this->boot();
Chris@0:         }
Chris@0: 
Chris@0:         return $this->getHttpKernel()->handle($request, $type, $catch);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Gets a HTTP kernel from the container.
Chris@0:      *
Chris@0:      * @return HttpKernel
Chris@0:      */
Chris@0:     protected function getHttpKernel()
Chris@0:     {
Chris@0:         return $this->container->get('http_kernel');
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function getBundles()
Chris@0:     {
Chris@0:         return $this->bundles;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function getBundle($name, $first = true)
Chris@0:     {
Chris@0:         if (!isset($this->bundleMap[$name])) {
Chris@0:             throw new \InvalidArgumentException(sprintf('Bundle "%s" does not exist or it is not enabled. Maybe you forgot to add it in the registerBundles() method of your %s.php file?', $name, get_class($this)));
Chris@0:         }
Chris@0: 
Chris@0:         if (true === $first) {
Chris@0:             return $this->bundleMap[$name][0];
Chris@0:         }
Chris@0: 
Chris@0:         return $this->bundleMap[$name];
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      *
Chris@0:      * @throws \RuntimeException if a custom resource is hidden by a resource in a derived bundle
Chris@0:      */
Chris@0:     public function locateResource($name, $dir = null, $first = true)
Chris@0:     {
Chris@0:         if ('@' !== $name[0]) {
Chris@0:             throw new \InvalidArgumentException(sprintf('A resource name must start with @ ("%s" given).', $name));
Chris@0:         }
Chris@0: 
Chris@0:         if (false !== strpos($name, '..')) {
Chris@0:             throw new \RuntimeException(sprintf('File name "%s" contains invalid characters (..).', $name));
Chris@0:         }
Chris@0: 
Chris@0:         $bundleName = substr($name, 1);
Chris@0:         $path = '';
Chris@0:         if (false !== strpos($bundleName, '/')) {
Chris@0:             list($bundleName, $path) = explode('/', $bundleName, 2);
Chris@0:         }
Chris@0: 
Chris@0:         $isResource = 0 === strpos($path, 'Resources') && null !== $dir;
Chris@0:         $overridePath = substr($path, 9);
Chris@0:         $resourceBundle = null;
Chris@0:         $bundles = $this->getBundle($bundleName, false);
Chris@0:         $files = array();
Chris@0: 
Chris@0:         foreach ($bundles as $bundle) {
Chris@0:             if ($isResource && file_exists($file = $dir.'/'.$bundle->getName().$overridePath)) {
Chris@0:                 if (null !== $resourceBundle) {
Chris@0:                     throw new \RuntimeException(sprintf('"%s" resource is hidden by a resource from the "%s" derived bundle. Create a "%s" file to override the bundle resource.',
Chris@0:                         $file,
Chris@0:                         $resourceBundle,
Chris@0:                         $dir.'/'.$bundles[0]->getName().$overridePath
Chris@0:                     ));
Chris@0:                 }
Chris@0: 
Chris@0:                 if ($first) {
Chris@0:                     return $file;
Chris@0:                 }
Chris@0:                 $files[] = $file;
Chris@0:             }
Chris@0: 
Chris@0:             if (file_exists($file = $bundle->getPath().'/'.$path)) {
Chris@0:                 if ($first && !$isResource) {
Chris@0:                     return $file;
Chris@0:                 }
Chris@0:                 $files[] = $file;
Chris@0:                 $resourceBundle = $bundle->getName();
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         if (count($files) > 0) {
Chris@0:             return $first && $isResource ? $files[0] : $files;
Chris@0:         }
Chris@0: 
Chris@0:         throw new \InvalidArgumentException(sprintf('Unable to find file "%s".', $name));
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function getName()
Chris@0:     {
Chris@0:         if (null === $this->name) {
Chris@0:             $this->name = preg_replace('/[^a-zA-Z0-9_]+/', '', basename($this->rootDir));
Chris@0:             if (ctype_digit($this->name[0])) {
Chris@0:                 $this->name = '_'.$this->name;
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         return $this->name;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function getEnvironment()
Chris@0:     {
Chris@0:         return $this->environment;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function isDebug()
Chris@0:     {
Chris@0:         return $this->debug;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function getRootDir()
Chris@0:     {
Chris@0:         if (null === $this->rootDir) {
Chris@0:             $r = new \ReflectionObject($this);
Chris@0:             $this->rootDir = dirname($r->getFileName());
Chris@0:         }
Chris@0: 
Chris@0:         return $this->rootDir;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function getContainer()
Chris@0:     {
Chris@0:         return $this->container;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Loads the PHP class cache.
Chris@0:      *
Chris@0:      * This methods only registers the fact that you want to load the cache classes.
Chris@0:      * The cache will actually only be loaded when the Kernel is booted.
Chris@0:      *
Chris@0:      * That optimization is mainly useful when using the HttpCache class in which
Chris@0:      * case the class cache is not loaded if the Response is in the cache.
Chris@0:      *
Chris@0:      * @param string $name      The cache name prefix
Chris@0:      * @param string $extension File extension of the resulting file
Chris@0:      */
Chris@0:     public function loadClassCache($name = 'classes', $extension = '.php')
Chris@0:     {
Chris@0:         $this->loadClassCache = array($name, $extension);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * @internal
Chris@0:      */
Chris@0:     public function setClassCache(array $classes)
Chris@0:     {
Chris@0:         file_put_contents($this->getCacheDir().'/classes.map', sprintf('<?php return %s;', var_export($classes, true)));
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * @internal
Chris@0:      */
Chris@0:     public function setAnnotatedClassCache(array $annotatedClasses)
Chris@0:     {
Chris@0:         file_put_contents($this->getCacheDir().'/annotations.map', sprintf('<?php return %s;', var_export($annotatedClasses, true)));
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function getStartTime()
Chris@0:     {
Chris@0:         return $this->debug ? $this->startTime : -INF;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function getCacheDir()
Chris@0:     {
Chris@0:         return $this->rootDir.'/cache/'.$this->environment;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function getLogDir()
Chris@0:     {
Chris@0:         return $this->rootDir.'/logs';
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function getCharset()
Chris@0:     {
Chris@0:         return 'UTF-8';
Chris@0:     }
Chris@0: 
Chris@0:     protected function doLoadClassCache($name, $extension)
Chris@0:     {
Chris@0:         if (!$this->booted && is_file($this->getCacheDir().'/classes.map')) {
Chris@0:             ClassCollectionLoader::load(include($this->getCacheDir().'/classes.map'), $this->getCacheDir(), $name, $this->debug, false, $extension);
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Initializes the data structures related to the bundle management.
Chris@0:      *
Chris@0:      *  - the bundles property maps a bundle name to the bundle instance,
Chris@0:      *  - the bundleMap property maps a bundle name to the bundle inheritance hierarchy (most derived bundle first).
Chris@0:      *
Chris@0:      * @throws \LogicException if two bundles share a common name
Chris@0:      * @throws \LogicException if a bundle tries to extend a non-registered bundle
Chris@0:      * @throws \LogicException if a bundle tries to extend itself
Chris@0:      * @throws \LogicException if two bundles extend the same ancestor
Chris@0:      */
Chris@0:     protected function initializeBundles()
Chris@0:     {
Chris@0:         // init bundles
Chris@0:         $this->bundles = array();
Chris@0:         $topMostBundles = array();
Chris@0:         $directChildren = array();
Chris@0: 
Chris@0:         foreach ($this->registerBundles() as $bundle) {
Chris@0:             $name = $bundle->getName();
Chris@0:             if (isset($this->bundles[$name])) {
Chris@0:                 throw new \LogicException(sprintf('Trying to register two bundles with the same name "%s"', $name));
Chris@0:             }
Chris@0:             $this->bundles[$name] = $bundle;
Chris@0: 
Chris@0:             if ($parentName = $bundle->getParent()) {
Chris@0:                 if (isset($directChildren[$parentName])) {
Chris@0:                     throw new \LogicException(sprintf('Bundle "%s" is directly extended by two bundles "%s" and "%s".', $parentName, $name, $directChildren[$parentName]));
Chris@0:                 }
Chris@0:                 if ($parentName == $name) {
Chris@0:                     throw new \LogicException(sprintf('Bundle "%s" can not extend itself.', $name));
Chris@0:                 }
Chris@0:                 $directChildren[$parentName] = $name;
Chris@0:             } else {
Chris@0:                 $topMostBundles[$name] = $bundle;
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         // look for orphans
Chris@0:         if (!empty($directChildren) && count($diff = array_diff_key($directChildren, $this->bundles))) {
Chris@0:             $diff = array_keys($diff);
Chris@0: 
Chris@0:             throw new \LogicException(sprintf('Bundle "%s" extends bundle "%s", which is not registered.', $directChildren[$diff[0]], $diff[0]));
Chris@0:         }
Chris@0: 
Chris@0:         // inheritance
Chris@0:         $this->bundleMap = array();
Chris@0:         foreach ($topMostBundles as $name => $bundle) {
Chris@0:             $bundleMap = array($bundle);
Chris@0:             $hierarchy = array($name);
Chris@0: 
Chris@0:             while (isset($directChildren[$name])) {
Chris@0:                 $name = $directChildren[$name];
Chris@0:                 array_unshift($bundleMap, $this->bundles[$name]);
Chris@0:                 $hierarchy[] = $name;
Chris@0:             }
Chris@0: 
Chris@0:             foreach ($hierarchy as $hierarchyBundle) {
Chris@0:                 $this->bundleMap[$hierarchyBundle] = $bundleMap;
Chris@0:                 array_pop($bundleMap);
Chris@0:             }
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Gets the container class.
Chris@0:      *
Chris@0:      * @return string The container class
Chris@0:      */
Chris@0:     protected function getContainerClass()
Chris@0:     {
Chris@0:         return $this->name.ucfirst($this->environment).($this->debug ? 'Debug' : '').'ProjectContainer';
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Gets the container's base class.
Chris@0:      *
Chris@0:      * All names except Container must be fully qualified.
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     protected function getContainerBaseClass()
Chris@0:     {
Chris@0:         return 'Container';
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Initializes the service container.
Chris@0:      *
Chris@0:      * The cached version of the service container is used when fresh, otherwise the
Chris@0:      * container is built.
Chris@0:      */
Chris@0:     protected function initializeContainer()
Chris@0:     {
Chris@0:         $class = $this->getContainerClass();
Chris@0:         $cache = new ConfigCache($this->getCacheDir().'/'.$class.'.php', $this->debug);
Chris@0:         $fresh = true;
Chris@0:         if (!$cache->isFresh()) {
Chris@0:             $container = $this->buildContainer();
Chris@0:             $container->compile();
Chris@0:             $this->dumpContainer($cache, $container, $class, $this->getContainerBaseClass());
Chris@0: 
Chris@0:             $fresh = false;
Chris@0:         }
Chris@0: 
Chris@0:         require_once $cache->getPath();
Chris@0: 
Chris@0:         $this->container = new $class();
Chris@0:         $this->container->set('kernel', $this);
Chris@0: 
Chris@0:         if (!$fresh && $this->container->has('cache_warmer')) {
Chris@0:             $this->container->get('cache_warmer')->warmUp($this->container->getParameter('kernel.cache_dir'));
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Returns the kernel parameters.
Chris@0:      *
Chris@0:      * @return array An array of kernel parameters
Chris@0:      */
Chris@0:     protected function getKernelParameters()
Chris@0:     {
Chris@0:         $bundles = array();
Chris@0:         $bundlesMetadata = array();
Chris@0: 
Chris@0:         foreach ($this->bundles as $name => $bundle) {
Chris@0:             $bundles[$name] = get_class($bundle);
Chris@0:             $bundlesMetadata[$name] = array(
Chris@0:                 'parent' => $bundle->getParent(),
Chris@0:                 'path' => $bundle->getPath(),
Chris@0:                 'namespace' => $bundle->getNamespace(),
Chris@0:             );
Chris@0:         }
Chris@0: 
Chris@0:         return array_merge(
Chris@0:             array(
Chris@0:                 'kernel.root_dir' => realpath($this->rootDir) ?: $this->rootDir,
Chris@0:                 'kernel.environment' => $this->environment,
Chris@0:                 'kernel.debug' => $this->debug,
Chris@0:                 'kernel.name' => $this->name,
Chris@0:                 'kernel.cache_dir' => realpath($this->getCacheDir()) ?: $this->getCacheDir(),
Chris@0:                 'kernel.logs_dir' => realpath($this->getLogDir()) ?: $this->getLogDir(),
Chris@0:                 'kernel.bundles' => $bundles,
Chris@0:                 'kernel.bundles_metadata' => $bundlesMetadata,
Chris@0:                 'kernel.charset' => $this->getCharset(),
Chris@0:                 'kernel.container_class' => $this->getContainerClass(),
Chris@0:             ),
Chris@0:             $this->getEnvParameters()
Chris@0:         );
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Gets the environment parameters.
Chris@0:      *
Chris@0:      * Only the parameters starting with "SYMFONY__" are considered.
Chris@0:      *
Chris@0:      * @return array An array of parameters
Chris@0:      */
Chris@0:     protected function getEnvParameters()
Chris@0:     {
Chris@0:         $parameters = array();
Chris@0:         foreach ($_SERVER as $key => $value) {
Chris@0:             if (0 === strpos($key, 'SYMFONY__')) {
Chris@0:                 $parameters[strtolower(str_replace('__', '.', substr($key, 9)))] = $value;
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         return $parameters;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Builds the service container.
Chris@0:      *
Chris@0:      * @return ContainerBuilder The compiled service container
Chris@0:      *
Chris@0:      * @throws \RuntimeException
Chris@0:      */
Chris@0:     protected function buildContainer()
Chris@0:     {
Chris@0:         foreach (array('cache' => $this->getCacheDir(), 'logs' => $this->getLogDir()) as $name => $dir) {
Chris@0:             if (!is_dir($dir)) {
Chris@0:                 if (false === @mkdir($dir, 0777, true) && !is_dir($dir)) {
Chris@0:                     throw new \RuntimeException(sprintf("Unable to create the %s directory (%s)\n", $name, $dir));
Chris@0:                 }
Chris@0:             } elseif (!is_writable($dir)) {
Chris@0:                 throw new \RuntimeException(sprintf("Unable to write in the %s directory (%s)\n", $name, $dir));
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         $container = $this->getContainerBuilder();
Chris@0:         $container->addObjectResource($this);
Chris@0:         $this->prepareContainer($container);
Chris@0: 
Chris@0:         if (null !== $cont = $this->registerContainerConfiguration($this->getContainerLoader($container))) {
Chris@0:             $container->merge($cont);
Chris@0:         }
Chris@0: 
Chris@0:         $container->addCompilerPass(new AddClassesToCachePass($this));
Chris@0:         $container->addResource(new EnvParametersResource('SYMFONY__'));
Chris@0: 
Chris@0:         return $container;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Prepares the ContainerBuilder before it is compiled.
Chris@0:      *
Chris@0:      * @param ContainerBuilder $container A ContainerBuilder instance
Chris@0:      */
Chris@0:     protected function prepareContainer(ContainerBuilder $container)
Chris@0:     {
Chris@0:         $extensions = array();
Chris@0:         foreach ($this->bundles as $bundle) {
Chris@0:             if ($extension = $bundle->getContainerExtension()) {
Chris@0:                 $container->registerExtension($extension);
Chris@0:                 $extensions[] = $extension->getAlias();
Chris@0:             }
Chris@0: 
Chris@0:             if ($this->debug) {
Chris@0:                 $container->addObjectResource($bundle);
Chris@0:             }
Chris@0:         }
Chris@0:         foreach ($this->bundles as $bundle) {
Chris@0:             $bundle->build($container);
Chris@0:         }
Chris@0: 
Chris@0:         // ensure these extensions are implicitly loaded
Chris@0:         $container->getCompilerPassConfig()->setMergePass(new MergeExtensionConfigurationPass($extensions));
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Gets a new ContainerBuilder instance used to build the service container.
Chris@0:      *
Chris@0:      * @return ContainerBuilder
Chris@0:      */
Chris@0:     protected function getContainerBuilder()
Chris@0:     {
Chris@0:         $container = new ContainerBuilder();
Chris@0:         $container->getParameterBag()->add($this->getKernelParameters());
Chris@0: 
Chris@0:         if (class_exists('ProxyManager\Configuration') && class_exists('Symfony\Bridge\ProxyManager\LazyProxy\Instantiator\RuntimeInstantiator')) {
Chris@0:             $container->setProxyInstantiator(new RuntimeInstantiator());
Chris@0:         }
Chris@0: 
Chris@0:         return $container;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Dumps the service container to PHP code in the cache.
Chris@0:      *
Chris@0:      * @param ConfigCache      $cache     The config cache
Chris@0:      * @param ContainerBuilder $container The service container
Chris@0:      * @param string           $class     The name of the class to generate
Chris@0:      * @param string           $baseClass The name of the container's base class
Chris@0:      */
Chris@0:     protected function dumpContainer(ConfigCache $cache, ContainerBuilder $container, $class, $baseClass)
Chris@0:     {
Chris@0:         // cache the container
Chris@0:         $dumper = new PhpDumper($container);
Chris@0: 
Chris@0:         if (class_exists('ProxyManager\Configuration') && class_exists('Symfony\Bridge\ProxyManager\LazyProxy\PhpDumper\ProxyDumper')) {
Chris@0:             $dumper->setProxyDumper(new ProxyDumper(md5($cache->getPath())));
Chris@0:         }
Chris@0: 
Chris@0:         $content = $dumper->dump(array('class' => $class, 'base_class' => $baseClass, 'file' => $cache->getPath(), 'debug' => $this->debug));
Chris@0: 
Chris@0:         $cache->write($content, $container->getResources());
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Returns a loader for the container.
Chris@0:      *
Chris@0:      * @param ContainerInterface $container The service container
Chris@0:      *
Chris@0:      * @return DelegatingLoader The loader
Chris@0:      */
Chris@0:     protected function getContainerLoader(ContainerInterface $container)
Chris@0:     {
Chris@0:         $locator = new FileLocator($this);
Chris@0:         $resolver = new LoaderResolver(array(
Chris@0:             new XmlFileLoader($container, $locator),
Chris@0:             new YamlFileLoader($container, $locator),
Chris@0:             new IniFileLoader($container, $locator),
Chris@0:             new PhpFileLoader($container, $locator),
Chris@0:             new DirectoryLoader($container, $locator),
Chris@0:             new ClosureLoader($container),
Chris@0:         ));
Chris@0: 
Chris@0:         return new DelegatingLoader($resolver);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Removes comments from a PHP source string.
Chris@0:      *
Chris@0:      * We don't use the PHP php_strip_whitespace() function
Chris@0:      * as we want the content to be readable and well-formatted.
Chris@0:      *
Chris@0:      * @param string $source A PHP string
Chris@0:      *
Chris@0:      * @return string The PHP string with the comments removed
Chris@0:      */
Chris@0:     public static function stripComments($source)
Chris@0:     {
Chris@0:         if (!function_exists('token_get_all')) {
Chris@0:             return $source;
Chris@0:         }
Chris@0: 
Chris@0:         $rawChunk = '';
Chris@0:         $output = '';
Chris@0:         $tokens = token_get_all($source);
Chris@0:         $ignoreSpace = false;
Chris@0:         for ($i = 0; isset($tokens[$i]); ++$i) {
Chris@0:             $token = $tokens[$i];
Chris@0:             if (!isset($token[1]) || 'b"' === $token) {
Chris@0:                 $rawChunk .= $token;
Chris@0:             } elseif (T_START_HEREDOC === $token[0]) {
Chris@0:                 $output .= $rawChunk.$token[1];
Chris@0:                 do {
Chris@0:                     $token = $tokens[++$i];
Chris@0:                     $output .= isset($token[1]) && 'b"' !== $token ? $token[1] : $token;
Chris@0:                 } while ($token[0] !== T_END_HEREDOC);
Chris@0:                 $rawChunk = '';
Chris@0:             } elseif (T_WHITESPACE === $token[0]) {
Chris@0:                 if ($ignoreSpace) {
Chris@0:                     $ignoreSpace = false;
Chris@0: 
Chris@0:                     continue;
Chris@0:                 }
Chris@0: 
Chris@0:                 // replace multiple new lines with a single newline
Chris@0:                 $rawChunk .= preg_replace(array('/\n{2,}/S'), "\n", $token[1]);
Chris@0:             } elseif (in_array($token[0], array(T_COMMENT, T_DOC_COMMENT))) {
Chris@0:                 $ignoreSpace = true;
Chris@0:             } else {
Chris@0:                 $rawChunk .= $token[1];
Chris@0: 
Chris@0:                 // The PHP-open tag already has a new-line
Chris@0:                 if (T_OPEN_TAG === $token[0]) {
Chris@0:                     $ignoreSpace = true;
Chris@0:                 }
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         $output .= $rawChunk;
Chris@0: 
Chris@0:         if (PHP_VERSION_ID >= 70000) {
Chris@0:             // PHP 7 memory manager will not release after token_get_all(), see https://bugs.php.net/70098
Chris@0:             unset($tokens, $rawChunk);
Chris@0:             gc_mem_caches();
Chris@0:         }
Chris@0: 
Chris@0:         return $output;
Chris@0:     }
Chris@0: 
Chris@0:     public function serialize()
Chris@0:     {
Chris@0:         return serialize(array($this->environment, $this->debug));
Chris@0:     }
Chris@0: 
Chris@0:     public function unserialize($data)
Chris@0:     {
Chris@0:         list($environment, $debug) = unserialize($data);
Chris@0: 
Chris@0:         $this->__construct($environment, $debug);
Chris@0:     }
Chris@0: }