80 lines
2.5 KiB
PHP
80 lines
2.5 KiB
PHP
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<?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\HttpKernel\DependencyInjection;
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use Psr\Container\ContainerInterface;
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use Symfony\Component\HttpFoundation\RequestStack;
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use Symfony\Component\HttpKernel\Fragment\FragmentHandler;
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/**
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* Lazily loads fragment renderers from the dependency injection container.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class LazyLoadingFragmentHandler extends FragmentHandler
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{
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private $container;
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/**
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* @deprecated since version 3.3, to be removed in 4.0
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*/
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private $rendererIds = array();
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private $initialized = array();
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/**
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* @param ContainerInterface $container A container
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* @param RequestStack $requestStack The Request stack that controls the lifecycle of requests
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* @param bool $debug Whether the debug mode is enabled or not
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*/
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public function __construct(ContainerInterface $container, RequestStack $requestStack, $debug = false)
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{
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$this->container = $container;
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parent::__construct($requestStack, array(), $debug);
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}
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/**
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* Adds a service as a fragment renderer.
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*
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* @param string $name The service name
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* @param string $renderer The render service id
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*
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* @deprecated since version 3.3, to be removed in 4.0
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*/
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public function addRendererService($name, $renderer)
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{
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@trigger_error(sprintf('The %s() method is deprecated since Symfony 3.3 and will be removed in 4.0.', __METHOD__), E_USER_DEPRECATED);
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$this->rendererIds[$name] = $renderer;
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}
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/**
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* {@inheritdoc}
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*/
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public function render($uri, $renderer = 'inline', array $options = array())
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{
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// BC 3.x, to be removed in 4.0
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if (isset($this->rendererIds[$renderer])) {
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$this->addRenderer($this->container->get($this->rendererIds[$renderer]));
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unset($this->rendererIds[$renderer]);
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return parent::render($uri, $renderer, $options);
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}
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if (!isset($this->initialized[$renderer]) && $this->container->has($renderer)) {
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$this->addRenderer($this->container->get($renderer));
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$this->initialized[$renderer] = true;
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}
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return parent::render($uri, $renderer, $options);
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}
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}
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