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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;
/**
* An implementation of BundleInterface that adds a few conventions for DependencyInjection extensions.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
abstract class Bundle implements BundleInterface
{
protected string $name;
protected ExtensionInterface|false|null $extension = null;
protected string $path;
protected ?ContainerInterface $container;
private string $namespace;
/**
* @return void
*/
public function boot()
{
}
/**
* @return void
*/
public function shutdown()
{
}
/**
* This method can be overridden to register compilation passes,
* other extensions, ...
*
* @return void
*/
public function build(ContainerBuilder $container)
{
}
/**
* Returns the bundle's container extension.
*
* @throws \LogicException
*/
public function getContainerExtension(): ?ExtensionInterface
{
if (!isset($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_debug_type($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;
}
}
return $this->extension ?: null;
}
public function getNamespace(): string
{
if (!isset($this->namespace)) {
$this->parseClassName();
}
return $this->namespace;
}
public function getPath(): string
{
if (!isset($this->path)) {
$reflected = new \ReflectionObject($this);
$this->path = \dirname($reflected->getFileName());
}
return $this->path;
}
/**
* Returns the bundle name (the class short name).
*/
final public function getName(): string
{
if (!isset($this->name)) {
$this->parseClassName();
}
return $this->name;
}
/**
* @return void
*/
public function registerCommands(Application $application)
{
}
/**
* Returns the bundle's container extension class.
*/
protected function getContainerExtensionClass(): string
{
$basename = preg_replace('/Bundle$/', '', $this->getName());
return $this->getNamespace().'\\DependencyInjection\\'.$basename.'Extension';
}
/**
* Creates the bundle's container extension.
*/
protected function createContainerExtension(): ?ExtensionInterface
{
return class_exists($class = $this->getContainerExtensionClass()) ? new $class() : null;
}
private function parseClassName(): void
{
$pos = strrpos(static::class, '\\');
$this->namespace = false === $pos ? '' : substr(static::class, 0, $pos);
$this->name ??= false === $pos ? static::class : substr(static::class, $pos + 1);
}
public function setContainer(?ContainerInterface $container): void
{
$this->container = $container;
}
}
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