symfony/src/Symfony/Foundation/bootstrap.php

<?php 

namespace Symfony\Foundation\Bundle;

use Symfony\Components\DependencyInjection\ContainerInterface;




abstract class Bundle implements BundleInterface
{
  public function buildContainer(ContainerInterface $container)
  {
  }

  public function boot(ContainerInterface $container)
  {
  }
}


namespace Symfony\Foundation\Bundle;

use Symfony\Components\DependencyInjection\ContainerInterface;




interface BundleInterface
{
  public function buildContainer(ContainerInterface $container);

  public function boot(ContainerInterface $container);
}


namespace Symfony\Foundation\Bundle;

use Symfony\Foundation\Bundle\Bundle;
use Symfony\Foundation\ClassCollectionLoader;
use Symfony\Components\DependencyInjection\ContainerInterface;
use Symfony\Components\DependencyInjection\Loader\Loader;
use Symfony\Components\DependencyInjection\Loader\XmlFileLoader;
use Symfony\Components\DependencyInjection\BuilderConfiguration;




class KernelBundle extends Bundle
{
  public function buildContainer(ContainerInterface $container)
  {
    Loader::registerExtension(new KernelExtension());

    $configuration = new BuilderConfiguration();

    $loader = new XmlFileLoader(array(__DIR__.'/../Resources/config', __DIR__.'/Resources/config'));
    $configuration->merge($loader->load('services.xml'));

    if ($container->getParameter('kernel.debug'))
    {
      $configuration->merge($loader->load('debug.xml'));
      $configuration->setDefinition('event_dispatcher', $configuration->findDefinition('debug.event_dispatcher'));
    }

    return $configuration;
  }

  public function boot(ContainerInterface $container)
  {
    $container->getErrorHandlerService();

        ClassCollectionLoader::load($container->getParameter('kernel.compiled_classes'), $container->getParameter('kernel.cache_dir'), 'classes', $container->getParameter('kernel.debug'));
  }
}


namespace Symfony\Foundation\Bundle;



use Symfony\Components\DependencyInjection\Loader\LoaderExtension;
use Symfony\Components\DependencyInjection\Loader\XmlFileLoader;
use Symfony\Components\DependencyInjection\BuilderConfiguration;


class KernelExtension extends LoaderExtension
{
  public function configLoad($config)
  {
    $configuration = new BuilderConfiguration();

    if (isset($config['charset']))
    {
      $configuration->setParameter('kernel.charset', $config['charset']);
    }

    if (!array_key_exists('compilation', $config))
    {
      $classes = array(
        'Symfony\\Components\\Routing\\Router',
        'Symfony\\Components\\Routing\\RouterInterface',
        'Symfony\\Components\\EventDispatcher\\Event',
        'Symfony\\Components\\Routing\\Matcher\\UrlMatcherInterface',
        'Symfony\\Components\\Routing\\Matcher\\UrlMatcher',
        'Symfony\\Components\\RequestHandler\\RequestInterface',
        'Symfony\\Components\\RequestHandler\\Request',
        'Symfony\\Components\\RequestHandler\\RequestHandler',
        'Symfony\\Components\\RequestHandler\\ResponseInterface',
        'Symfony\\Components\\RequestHandler\\Response',
        'Symfony\\Components\\Templating\\Loader\\LoaderInterface',
        'Symfony\\Components\\Templating\\Loader\\Loader',
        'Symfony\\Components\\Templating\\Loader\\FilesystemLoader',
        'Symfony\\Components\\Templating\\Engine',
        'Symfony\\Components\\Templating\\Renderer\\RendererInterface',
        'Symfony\\Components\\Templating\\Renderer\\Renderer',
        'Symfony\\Components\\Templating\\Renderer\\PhpRenderer',
        'Symfony\\Components\\Templating\\Storage\\Storage',
        'Symfony\\Components\\Templating\\Storage\\FileStorage',
        'Symfony\\Framework\\WebBundle\\Controller',
        'Symfony\\Framework\\WebBundle\\Listener\\RequestParser',
        'Symfony\\Framework\\WebBundle\\Listener\\ControllerLoader',
        'Symfony\\Framework\\WebBundle\\Listener\\ResponseFilter',
        'Symfony\\Framework\\WebBundle\\Templating\\Engine',
      );
    }
    else
    {
      $classes = array();
      foreach (explode("\n", $config['compilation']) as $class)
      {
        if ($class)
        {
          $classes[] = trim($class);
        }
      }
    }
    $configuration->setParameter('kernel.compiled_classes', $classes);

    if (array_key_exists('error_handler_level', $config))
    {
      $configuration->setParameter('error_handler.level', $config['error_handler_level']);
    }

    return $configuration;
  }

  
  public function getXsdValidationBasePath()
  {
    return false;
  }

  public function getNamespace()
  {
    return 'http://www.symfony-project.org/schema/dic/symfony/kernel';
  }

  public function getAlias()
  {
    return 'kernel';
  }
}


namespace Symfony\Foundation\Debug;




class ErrorHandler
{
  protected $levels = array(
    E_WARNING           => 'Warning',
    E_NOTICE            => 'Notice',
    E_USER_ERROR        => 'User Error',
    E_USER_WARNING      => 'User Warning',
    E_USER_NOTICE       => 'User Notice',
    E_STRICT            => 'Runtime Notice',
    E_RECOVERABLE_ERROR => 'Catchable Fatal Error',
  );

  protected $level;

  
  public function __construct($level = null)
  {
    $this->level = null === $level ? error_reporting() : $level;
  }

  public function register()
  {
    set_error_handler(array($this, 'handle'));
  }

  public function handle($level, $message, $file, $line, $context)
  {
    if (0 === $this->level)
    {
      return false;
    }

    if (error_reporting() & $level && $this->level & $level)
    {
      throw new \ErrorException(sprintf('%s: %s in %s line %d', isset($this->levels[$level]) ? $this->levels[$level] : $level, $message, $file, $line));
    }

    return false;
  }
}


namespace Symfony\Foundation;




class ClassCollectionLoader
{
  static public function load($classes, $cacheDir, $name, $autoReload)
  {
    $cache = $cacheDir.'/'.$name.'.php';

        $reload = false;
    if ($autoReload)
    {
      $metadata = $cacheDir.'/'.$name.'.meta';
      if (!file_exists($metadata) || !file_exists($cache))
      {
        $reload = true;
      }
      else
      {
        $time = filemtime($cache);
        $meta = unserialize(file_get_contents($metadata));

        if ($meta[1] != $classes)
        {
          $reload = true;
        }
        else
        {
          foreach ($meta[0] as $resource)
          {
            if (!file_exists($resource) || filemtime($resource) > $time)
            {
              $reload = true;

              break;
            }
          }
        }
      }
    }

    if (!$reload && file_exists($cache))
    {
      require_once $cache;

      return;
    }

    $files = array();
    $content = '';
    foreach ($classes as $class)
    {
      if (!class_exists($class) && !interface_exists($class))
      {
        throw new \InvalidArgumentException(sprintf('Unable to load class "%s"', $class));
      }

      $r = new \ReflectionClass($class);
      $files[] = $r->getFileName();

      $content .= preg_replace(array('/^\s*<\?php/', '/\?>\s*$/'), '', file_get_contents($r->getFileName()));
    }

        if (!is_dir(dirname($cache)))
    {
      mkdir(dirname($cache), 0777, true);
    }
    self::writeCacheFile($cache, Kernel::stripComments('<?php '.$content));

    if ($autoReload)
    {
            self::writeCacheFile($metadata, serialize(array($files, $classes)));
    }
  }

  static protected function writeCacheFile($file, $content)
  {
    $tmpFile = tempnam(dirname($file), basename($file));
    if (!$fp = @fopen($tmpFile, 'wb'))
    {
      die(sprintf('Failed to write cache file "%s".', $tmpFile));
    }
    @fwrite($fp, $content);
    @fclose($fp);

    if ($content != file_get_contents($tmpFile))
    {
      die(sprintf('Failed to write cache file "%s" (cache corrupted).', $tmpFile));
    }

    @rename($tmpFile, $file);
    chmod($file, 0644);
  }
}


namespace Symfony\Foundation;



use Symfony\Components\DependencyInjection\ContainerInterface;
use Symfony\Components\DependencyInjection\Builder;
use Symfony\Components\DependencyInjection\BuilderConfiguration;
use Symfony\Components\DependencyInjection\Dumper\PhpDumper;
use Symfony\Components\RequestHandler\RequestInterface;


abstract class Kernel
{
  protected $bundles;
  protected $bundleDirs;
  protected $container;
  protected $rootDir;
  protected $environment;
  protected $debug;
  protected $booted;
  protected $name;
  protected $parameters;
  protected $startTime;

  const VERSION = '2.0.0-DEV';

  
  public function __construct($environment, $debug, $parameters = array())
  {
    $this->debug = (Boolean) $debug;
    if ($this->debug)
    {
      ini_set('display_errors', 1);
      error_reporting(-1);
    }
    else
    {
      ini_set('display_errors', 0);
    }

    if ($this->debug)
    {
      $this->startTime = microtime(true);
    }

    $this->booted = false;
    $this->environment = $environment;
    $this->parameters = $parameters;
    $this->bundles = $this->registerBundles();
    $this->bundleDirs = $this->registerBundleDirs();
    $this->rootDir = realpath($this->registerRootDir());
    $this->name = basename($this->rootDir);
  }

  abstract public function registerRootDir();

  abstract public function registerBundles();

  abstract public function registerBundleDirs();

  abstract public function registerContainerConfiguration();

  abstract public function registerRoutes();

  
  public function isBooted()
  {
    return $this->booted;
  }

  
  public function boot()
  {
    if (true === $this->booted)
    {
      throw new \LogicException('The kernel is already booted.');
    }

        $this->container = $this->initializeContainer();
    $this->container->setService('kernel', $this);

        foreach ($this->bundles as $bundle)
    {
      $bundle->boot($this->container);
    }

    $this->booted = true;

    return $this;
  }

  public function run()
  {
    $this->handle()->send();
  }

  public function handle(RequestInterface $request = null)
  {
    if (false === $this->booted)
    {
      $this->boot();
    }

    if (null === $request)
    {
      $request = $this->container->getRequestService();
    }

    return $this->container->getRequestHandlerService()->handle($request);
  }

  public function getBundleDirs()
  {
    return $this->bundleDirs;
  }

  public function getBundles()
  {
    return $this->bundles;
  }

  public function getName()
  {
    return $this->name;
  }

  public function getEnvironment()
  {
    return $this->environment;
  }

  public function isDebug()
  {
    return $this->debug;
  }

  public function getRootDir()
  {
    return $this->rootDir;
  }

  public function getContainer()
  {
    return $this->container;
  }

  public function getStartTime()
  {
    return $this->debug ? $this->startTime : -INF;
  }

  public function getParameters()
  {
    return $parameters;
  }

  public function getDefaultParameters()
  {
    $bundles = array();
    foreach ($this->bundles as $bundle)
    {
      $bundles[] = get_class($bundle);
    }

    return array_merge(
      array(
        'kernel.root_dir'    => $this->rootDir,
        'kernel.environment' => $this->environment,
        'kernel.debug'       => $this->debug,
        'kernel.name'        => $this->name,
        'kernel.cache_dir'   => $this->rootDir.'/cache/'.$this->environment,
        'kernel.logs_dir'    => $this->rootDir.'/logs',
        'kernel.bundle_dirs' => $this->bundleDirs,
        'kernel.bundles'     => $bundles,
        'kernel.charset'     => 'UTF-8',
      ),
      $this->getEnvParameters(),
      $this->parameters
    );
  }

  protected function initializeContainer()
  {
    $parameters = $this->getDefaultParameters();
    $class = $this->name.'ProjectContainer';
    $file = $parameters['kernel.cache_dir'].'/'.$class.'.php';
    $reload = $this->debug ? $this->needsReload($class, $file, $parameters) : false;

    if ($reload || !file_exists($file))
    {
      $this->buildContainer($class, $file, $parameters);
    }

    require_once $file;

    return new $class();
  }

  protected function getEnvParameters()
  {
    $parameters = array();
    foreach ($_SERVER as $key => $value)
    {
      if ('SYMFONY__' === substr($key, 0, 9))
      {
        $parameters[strtolower(str_replace('__', '.', substr($key, 9)))] = $value;
      }
    }

    return $parameters;
  }

  protected function needsReload($class, $file, $parameters)
  {
    $metadata = $parameters['kernel.cache_dir'].'/'.$class.'.meta';

    if (!file_exists($metadata) || !file_exists($file))
    {
      return true;
    }

    $meta = unserialize(file_get_contents($metadata));
    $time = filemtime($file);
    foreach ($meta as $resource)
    {
      if (!$resource->isUptodate($time))
      {
        return true;
      }
    }

    return false;
  }

  protected function buildContainer($class, $file, $parameters)
  {
    $container = new Builder($parameters);

    $configuration = new BuilderConfiguration();
    foreach ($this->bundles as $bundle)
    {
      $configuration->merge($bundle->buildContainer($container));
    }
    $configuration->merge($this->registerContainerConfiguration());
    $container->merge($configuration);
    $this->optimizeContainer($container);

    foreach (array('cache', 'logs') as $name)
    {
      $key = sprintf('kernel.%s_dir', $name);
      if (!is_dir($parameters[$key]))
      {
        if (false === @mkdir($parameters[$key], 0777, true))
        {
          die(sprintf('Unable to create the %s directory (%s)', $name, dirname($parameters['kernel.cache_dir'])));
        }
      }
      elseif (!is_writable($parameters[$key]))
      {
        die(sprintf('Unable to write in the %s directory (%s)', $name, $parameters['kernel.cache_dir']));
      }
    }

        $dumper = new PhpDumper($container);
    $content = $dumper->dump(array('class' => $class));
    if (!$this->debug)
    {
      $content = self::stripComments($content);
    }
    $this->writeCacheFile($file, $content);

    if ($this->debug)
    {
            $this->writeCacheFile($parameters['kernel.cache_dir'].'/'.$class.'.meta', serialize($configuration->getResources()));
    }
  }

  public function optimizeContainer(Builder $container)
  {
        foreach ($container->getDefinitions() as $definition)
    {
      if (false !== strpos($class = $definition->getClass(), '%'))
      {
        $definition->setClass(Builder::resolveValue($class, $container->getParameters()));
        unset($container[substr($class, 1, -1)]);
      }
    }
  }

  static public function stripComments($source)
  {
    if (!function_exists('token_get_all'))
    {
      return $source;
    }

    $ignore = array(T_COMMENT => true, T_DOC_COMMENT => true);
    $output = '';
    foreach (token_get_all($source) as $token)
    {
            if (isset($token[1]))
      {
                if (!isset($ignore[$token[0]]))
        {
                    $output .= $token[1];
        }
      }
      else
      {
                $output .= $token;
      }
    }

    return $output;
  }

  protected function writeCacheFile($file, $content)
  {
    $tmpFile = tempnam(dirname($file), basename($file));
    if (!$fp = @fopen($tmpFile, 'wb'))
    {
      die(sprintf('Failed to write cache file "%s".', $tmpFile));
    }
    @fwrite($fp, $content);
    @fclose($fp);

    if ($content != file_get_contents($tmpFile))
    {
      die(sprintf('Failed to write cache file "%s" (cache corrupted).', $tmpFile));
    }

    @rename($tmpFile, $file);
    chmod($file, 0644);
  }
}


namespace Symfony\Foundation;

use Symfony\Components\EventDispatcher\EventDispatcher as BaseEventDispatcher;
use Symfony\Components\EventDispatcher\Event;
use Symfony\Components\DependencyInjection\ContainerInterface;




class EventDispatcher extends BaseEventDispatcher
{
  protected $container;

  
  public function __construct(ContainerInterface $container)
  {
    $this->container = $container;

    foreach ($container->findAnnotatedServiceIds('kernel.listener') as $id => $attributes)
    {
      foreach ($attributes as $attribute)
      {
        if (isset($attribute['event']))
        {
          $this->connect($attribute['event'], array($id, isset($attribute['method']) ? $attribute['method'] : 'handle'));
        }
      }
    }
  }

  
  public function getListeners($name)
  {
    if (!isset($this->listeners[$name]))
    {
      return array();
    }

    foreach ($this->listeners[$name] as $i => $listener)
    {
      if (is_array($listener) && is_string($listener[0]))
      {
        $this->listeners[$name][$i] = array($this->container->getService($listener[0]), $listener[1]);
      }
    }

    return $this->listeners[$name];
  }
}