112 lines
3.5 KiB
PHP
112 lines
3.5 KiB
PHP
<?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\Bundle\FrameworkBundle\Routing;
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use Symfony\Component\Routing\Router as BaseRouter;
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use Symfony\Component\Routing\RequestContext;
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use Symfony\Component\DependencyInjection\ContainerInterface;
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use Symfony\Component\Routing\RouteCollection;
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use Symfony\Component\HttpKernel\CacheWarmer\WarmableInterface;
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/**
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* This Router only creates the Loader only when the cache is empty.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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*/
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class Router extends BaseRouter implements WarmableInterface
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{
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private $container;
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/**
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* Constructor.
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*
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* @param ContainerInterface $container A ContainerInterface instance
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* @param mixed $resource The main resource to load
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* @param array $options An array of options
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* @param RequestContext $context The context
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* @param array $defaults The default values
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*/
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public function __construct(ContainerInterface $container, $resource, array $options = array(), RequestContext $context = null, array $defaults = array())
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{
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$this->container = $container;
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$this->resource = $resource;
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$this->context = null === $context ? new RequestContext() : $context;
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$this->defaults = $defaults;
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$this->setOptions($options);
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}
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/**
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* {@inheritdoc}
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*/
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public function getRouteCollection()
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{
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if (null === $this->collection) {
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$this->collection = $this->container->get('routing.loader')->load($this->resource, $this->options['resource_type']);
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$this->resolveParameters($this->collection);
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}
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return $this->collection;
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}
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/**
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* {@inheritdoc}
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*/
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public function warmUp($cacheDir)
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{
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$currentDir = $this->getOption('cache_dir');
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// force cache generation
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$this->setOption('cache_dir', $cacheDir);
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$this->getMatcher();
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$this->getGenerator();
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$this->setOption('cache_dir', $currentDir);
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}
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/**
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* Replaces placeholders with service container parameter values in route defaults and requirements.
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*
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* @param $collection
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*/
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private function resolveParameters(RouteCollection $collection)
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{
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foreach ($collection as $route) {
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if ($route instanceof RouteCollection) {
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$this->resolveParameters($route);
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} else {
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foreach ($route->getDefaults() as $name => $value) {
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if (!$value || '%' !== $value[0] || '%' !== substr($value, -1)) {
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continue;
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}
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$key = substr($value, 1, -1);
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if ($this->container->hasParameter($key)) {
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$route->setDefault($name, $this->container->getParameter($key));
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}
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}
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foreach ($route->getRequirements() as $name => $value) {
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if (!$value || '%' !== $value[0] || '%' !== substr($value, -1)) {
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continue;
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}
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$key = substr($value, 1, -1);
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if ($this->container->hasParameter($key)) {
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$route->setRequirement($name, $this->container->getParameter($key));
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}
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}
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}
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}
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}
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}
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