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msd2/phpBB3/vendor/symfony/http-kernel/Bundle/Bundle.php

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+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\HttpKernel\Bundle;
+
+use Symfony\Component\Console\Application;
+use Symfony\Component\DependencyInjection\Container;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\DependencyInjection\Extension\ExtensionInterface;
+use Symfony\Component\Finder\Finder;
+
+/**
+ * An implementation of BundleInterface that adds a few conventions
+ * for DependencyInjection extensions and Console commands.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+abstract class Bundle implements BundleInterface
+{
+    /**
+     * @var ContainerInterface
+     */
+    protected $container;
+    protected $name;
+    protected $extension;
+    protected $path;
+
+    /**
+     * {@inheritdoc}
+     */
+    public function boot()
+    {
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function shutdown()
+    {
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * This method can be overridden to register compilation passes,
+     * other extensions, ...
+     */
+    public function build(ContainerBuilder $container)
+    {
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setContainer(ContainerInterface $container = null)
+    {
+        $this->container = $container;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * @throws \LogicException
+     */
+    public function getContainerExtension()
+    {
+        if (null === $this->extension) {
+            $extension = $this->createContainerExtension();
+
+            if (null !== $extension) {
+                if (!$extension instanceof ExtensionInterface) {
+                    throw new \LogicException(sprintf('Extension %s must implement Symfony\Component\DependencyInjection\Extension\ExtensionInterface.', \get_class($extension)));
+                }
+
+                // check naming convention
+                $basename = preg_replace('/Bundle$/', '', $this->getName());
+                $expectedAlias = Container::underscore($basename);
+
+                if ($expectedAlias != $extension->getAlias()) {
+                    throw new \LogicException(sprintf('Users will expect the alias of the default extension of a bundle to be the underscored version of the bundle name ("%s"). You can override "Bundle::getContainerExtension()" if you want to use "%s" or another alias.', $expectedAlias, $extension->getAlias()));
+                }
+
+                $this->extension = $extension;
+            } else {
+                $this->extension = false;
+            }
+        }
+
+        if ($this->extension) {
+            return $this->extension;
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getNamespace()
+    {
+        $class = \get_class($this);
+
+        return substr($class, 0, strrpos($class, '\\'));
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getPath()
+    {
+        if (null === $this->path) {
+            $reflected = new \ReflectionObject($this);
+            $this->path = \dirname($reflected->getFileName());
+        }
+
+        return $this->path;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getParent()
+    {
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    final public function getName()
+    {
+        if (null !== $this->name) {
+            return $this->name;
+        }
+
+        $name = \get_class($this);
+        $pos = strrpos($name, '\\');
+
+        return $this->name = false === $pos ? $name : substr($name, $pos + 1);
+    }
+
+    /**
+     * Finds and registers Commands.
+     *
+     * Override this method if your bundle commands do not follow the conventions:
+     *
+     * * Commands are in the 'Command' sub-directory
+     * * Commands extend Symfony\Component\Console\Command\Command
+     */
+    public function registerCommands(Application $application)
+    {
+        if (!is_dir($dir = $this->getPath().'/Command')) {
+            return;
+        }
+
+        if (!class_exists('Symfony\Component\Finder\Finder')) {
+            throw new \RuntimeException('You need the symfony/finder component to register bundle commands.');
+        }
+
+        $finder = new Finder();
+        $finder->files()->name('*Command.php')->in($dir);
+
+        $prefix = $this->getNamespace().'\\Command';
+        foreach ($finder as $file) {
+            $ns = $prefix;
+            if ($relativePath = $file->getRelativePath()) {
+                $ns .= '\\'.str_replace('/', '\\', $relativePath);
+            }
+            $class = $ns.'\\'.$file->getBasename('.php');
+            if ($this->container) {
+                $alias = 'console.command.'.strtolower(str_replace('\\', '_', $class));
+                if ($this->container->has($alias)) {
+                    continue;
+                }
+            }
+            $r = new \ReflectionClass($class);
+            if ($r->isSubclassOf('Symfony\\Component\\Console\\Command\\Command') && !$r->isAbstract() && !$r->getConstructor()->getNumberOfRequiredParameters()) {
+                $application->add($r->newInstance());
+            }
+        }
+    }
+
+    /**
+     * Returns the bundle's container extension class.
+     *
+     * @return string
+     */
+    protected function getContainerExtensionClass()
+    {
+        $basename = preg_replace('/Bundle$/', '', $this->getName());
+
+        return $this->getNamespace().'\\DependencyInjection\\'.$basename.'Extension';
+    }
+
+    /**
+     * Creates the bundle's container extension.
+     *
+     * @return ExtensionInterface|null
+     */
+    protected function createContainerExtension()
+    {
+        if (class_exists($class = $this->getContainerExtensionClass())) {
+            return new $class();
+        }
+    }
+}