371 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			PHP
		
	
	
			
		
		
	
	
			371 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			PHP
		
	
	
| <?php
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| 
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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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| 
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| namespace Symfony\Component\Routing;
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| 
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| use Symfony\Component\Config\Resource\ResourceInterface;
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| use Symfony\Component\Routing\Exception\InvalidArgumentException;
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| use Symfony\Component\Routing\Exception\RouteCircularReferenceException;
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| 
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| /**
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|  * A RouteCollection represents a set of Route instances.
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|  *
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|  * When adding a route at the end of the collection, an existing route
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|  * with the same name is removed first. So there can only be one route
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|  * with a given name.
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|  *
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|  * @author Fabien Potencier <fabien@symfony.com>
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|  * @author Tobias Schultze <http://tobion.de>
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|  *
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|  * @implements \IteratorAggregate<string, Route>
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|  */
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| class RouteCollection implements \IteratorAggregate, \Countable
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| {
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|     /**
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|      * @var array<string, Route>
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|      */
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|     private array $routes = [];
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| 
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|     /**
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|      * @var array<string, Alias>
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|      */
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|     private $aliases = [];
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| 
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|     /**
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|      * @var array<string, ResourceInterface>
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|      */
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|     private array $resources = [];
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| 
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|     /**
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|      * @var array<string, int>
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|      */
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|     private array $priorities = [];
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| 
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|     public function __clone()
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|     {
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|         foreach ($this->routes as $name => $route) {
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|             $this->routes[$name] = clone $route;
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|         }
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| 
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|         foreach ($this->aliases as $name => $alias) {
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|             $this->aliases[$name] = clone $alias;
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|         }
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|     }
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| 
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|     /**
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|      * Gets the current RouteCollection as an Iterator that includes all routes.
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|      *
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|      * It implements \IteratorAggregate.
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|      *
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|      * @see all()
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|      *
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|      * @return \ArrayIterator<string, Route>
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|      */
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|     public function getIterator(): \ArrayIterator
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|     {
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|         return new \ArrayIterator($this->all());
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|     }
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| 
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|     /**
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|      * Gets the number of Routes in this collection.
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|      */
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|     public function count(): int
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|     {
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|         return \count($this->routes);
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|     }
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| 
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|     public function add(string $name, Route $route, int $priority = 0)
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|     {
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|         unset($this->routes[$name], $this->priorities[$name], $this->aliases[$name]);
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| 
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|         $this->routes[$name] = $route;
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| 
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|         if ($priority) {
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|             $this->priorities[$name] = $priority;
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|         }
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|     }
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| 
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|     /**
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|      * Returns all routes in this collection.
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|      *
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|      * @return array<string, Route>
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|      */
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|     public function all(): array
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|     {
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|         if ($this->priorities) {
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|             $priorities = $this->priorities;
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|             $keysOrder = array_flip(array_keys($this->routes));
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|             uksort($this->routes, static function ($n1, $n2) use ($priorities, $keysOrder) {
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|                 return (($priorities[$n2] ?? 0) <=> ($priorities[$n1] ?? 0)) ?: ($keysOrder[$n1] <=> $keysOrder[$n2]);
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|             });
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|         }
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| 
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|         return $this->routes;
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|     }
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| 
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|     /**
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|      * Gets a route by name.
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|      */
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|     public function get(string $name): ?Route
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|     {
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|         $visited = [];
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|         while (null !== $alias = $this->aliases[$name] ?? null) {
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|             if (false !== $searchKey = array_search($name, $visited)) {
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|                 $visited[] = $name;
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| 
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|                 throw new RouteCircularReferenceException($name, \array_slice($visited, $searchKey));
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|             }
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| 
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|             if ($alias->isDeprecated()) {
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|                 $deprecation = $alias->getDeprecation($name);
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| 
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|                 trigger_deprecation($deprecation['package'], $deprecation['version'], $deprecation['message']);
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|             }
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| 
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|             $visited[] = $name;
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|             $name = $alias->getId();
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|         }
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| 
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|         return $this->routes[$name] ?? null;
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|     }
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| 
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|     /**
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|      * Removes a route or an array of routes by name from the collection.
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|      *
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|      * @param string|string[] $name The route name or an array of route names
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|      */
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|     public function remove(string|array $name)
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|     {
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|         foreach ((array) $name as $n) {
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|             unset($this->routes[$n], $this->priorities[$n], $this->aliases[$n]);
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|         }
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|     }
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| 
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|     /**
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|      * Adds a route collection at the end of the current set by appending all
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|      * routes of the added collection.
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|      */
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|     public function addCollection(self $collection)
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|     {
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|         // we need to remove all routes with the same names first because just replacing them
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|         // would not place the new route at the end of the merged array
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|         foreach ($collection->all() as $name => $route) {
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|             unset($this->routes[$name], $this->priorities[$name], $this->aliases[$name]);
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|             $this->routes[$name] = $route;
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| 
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|             if (isset($collection->priorities[$name])) {
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|                 $this->priorities[$name] = $collection->priorities[$name];
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|             }
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|         }
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| 
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|         foreach ($collection->getAliases() as $name => $alias) {
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|             unset($this->routes[$name], $this->priorities[$name], $this->aliases[$name]);
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| 
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|             $this->aliases[$name] = $alias;
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|         }
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| 
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|         foreach ($collection->getResources() as $resource) {
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|             $this->addResource($resource);
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|         }
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|     }
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| 
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|     /**
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|      * Adds a prefix to the path of all child routes.
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|      */
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|     public function addPrefix(string $prefix, array $defaults = [], array $requirements = [])
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|     {
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|         $prefix = trim(trim($prefix), '/');
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| 
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|         if ('' === $prefix) {
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|             return;
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|         }
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| 
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|         foreach ($this->routes as $route) {
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|             $route->setPath('/'.$prefix.$route->getPath());
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|             $route->addDefaults($defaults);
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|             $route->addRequirements($requirements);
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|         }
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|     }
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| 
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|     /**
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|      * Adds a prefix to the name of all the routes within in the collection.
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|      */
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|     public function addNamePrefix(string $prefix)
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|     {
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|         $prefixedRoutes = [];
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|         $prefixedPriorities = [];
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|         $prefixedAliases = [];
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| 
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|         foreach ($this->routes as $name => $route) {
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|             $prefixedRoutes[$prefix.$name] = $route;
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|             if (null !== $canonicalName = $route->getDefault('_canonical_route')) {
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|                 $route->setDefault('_canonical_route', $prefix.$canonicalName);
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|             }
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|             if (isset($this->priorities[$name])) {
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|                 $prefixedPriorities[$prefix.$name] = $this->priorities[$name];
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|             }
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|         }
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| 
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|         foreach ($this->aliases as $name => $alias) {
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|             $prefixedAliases[$prefix.$name] = $alias->withId($prefix.$alias->getId());
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|         }
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| 
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|         $this->routes = $prefixedRoutes;
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|         $this->priorities = $prefixedPriorities;
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|         $this->aliases = $prefixedAliases;
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|     }
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| 
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|     /**
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|      * Sets the host pattern on all routes.
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|      */
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|     public function setHost(?string $pattern, array $defaults = [], array $requirements = [])
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|     {
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|         foreach ($this->routes as $route) {
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|             $route->setHost($pattern);
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|             $route->addDefaults($defaults);
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|             $route->addRequirements($requirements);
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|         }
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|     }
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| 
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|     /**
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|      * Sets a condition on all routes.
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|      *
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|      * Existing conditions will be overridden.
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|      */
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|     public function setCondition(?string $condition)
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|     {
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|         foreach ($this->routes as $route) {
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|             $route->setCondition($condition);
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|         }
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|     }
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| 
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|     /**
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|      * Adds defaults to all routes.
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|      *
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|      * An existing default value under the same name in a route will be overridden.
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|      */
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|     public function addDefaults(array $defaults)
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|     {
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|         if ($defaults) {
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|             foreach ($this->routes as $route) {
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|                 $route->addDefaults($defaults);
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|             }
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|         }
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|     }
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| 
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|     /**
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|      * Adds requirements to all routes.
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|      *
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|      * An existing requirement under the same name in a route will be overridden.
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|      */
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|     public function addRequirements(array $requirements)
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|     {
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|         if ($requirements) {
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|             foreach ($this->routes as $route) {
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|                 $route->addRequirements($requirements);
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|             }
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|         }
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|     }
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| 
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|     /**
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|      * Adds options to all routes.
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|      *
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|      * An existing option value under the same name in a route will be overridden.
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|      */
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|     public function addOptions(array $options)
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|     {
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|         if ($options) {
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|             foreach ($this->routes as $route) {
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|                 $route->addOptions($options);
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|             }
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|         }
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|     }
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| 
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|     /**
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|      * Sets the schemes (e.g. 'https') all child routes are restricted to.
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|      *
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|      * @param string|string[] $schemes The scheme or an array of schemes
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|      */
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|     public function setSchemes(string|array $schemes)
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|     {
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|         foreach ($this->routes as $route) {
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|             $route->setSchemes($schemes);
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|         }
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|     }
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| 
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|     /**
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|      * Sets the HTTP methods (e.g. 'POST') all child routes are restricted to.
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|      *
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|      * @param string|string[] $methods The method or an array of methods
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|      */
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|     public function setMethods(string|array $methods)
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|     {
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|         foreach ($this->routes as $route) {
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|             $route->setMethods($methods);
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|         }
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|     }
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| 
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|     /**
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|      * Returns an array of resources loaded to build this collection.
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|      *
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|      * @return ResourceInterface[]
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|      */
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|     public function getResources(): array
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|     {
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|         return array_values($this->resources);
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|     }
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| 
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|     /**
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|      * Adds a resource for this collection. If the resource already exists
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|      * it is not added.
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|      */
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|     public function addResource(ResourceInterface $resource)
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|     {
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|         $key = (string) $resource;
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| 
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|         if (!isset($this->resources[$key])) {
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|             $this->resources[$key] = $resource;
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|         }
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|     }
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| 
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|     /**
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|      * Sets an alias for an existing route.
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|      *
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|      * @param string $name  The alias to create
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|      * @param string $alias The route to alias
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|      *
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|      * @throws InvalidArgumentException if the alias is for itself
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|      */
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|     public function addAlias(string $name, string $alias): Alias
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|     {
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|         if ($name === $alias) {
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|             throw new InvalidArgumentException(sprintf('Route alias "%s" can not reference itself.', $name));
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|         }
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| 
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|         unset($this->routes[$name], $this->priorities[$name]);
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| 
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|         return $this->aliases[$name] = new Alias($alias);
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|     }
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| 
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|     /**
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|      * @return array<string, Alias>
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|      */
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|     public function getAliases(): array
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|     {
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|         return $this->aliases;
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|     }
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| 
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|     public function getAlias(string $name): ?Alias
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|     {
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|         return $this->aliases[$name] ?? null;
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|     }
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| }
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