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/vendor/symfony/routing/ -> RouteCollection.php (source)

   1  <?php
   2  
   3  /*
   4   * This file is part of the Symfony package.
   5   *
   6   * (c) Fabien Potencier <fabien@symfony.com>
   7   *
   8   * For the full copyright and license information, please view the LICENSE
   9   * file that was distributed with this source code.
  10   */
  11  
  12  namespace Symfony\Component\Routing;
  13  
  14  use Symfony\Component\Config\Resource\ResourceInterface;
  15  
  16  /**
  17   * A RouteCollection represents a set of Route instances.
  18   *
  19   * When adding a route at the end of the collection, an existing route
  20   * with the same name is removed first. So there can only be one route
  21   * with a given name.
  22   *
  23   * @author Fabien Potencier <fabien@symfony.com>
  24   * @author Tobias Schultze <http://tobion.de>
  25   */
  26  class RouteCollection implements \IteratorAggregate, \Countable
  27  {
  28      /**
  29       * @var Route[]
  30       */
  31      private $routes = [];
  32  
  33      /**
  34       * @var array
  35       */
  36      private $resources = [];
  37  
  38      public function __clone()
  39      {
  40          foreach ($this->routes as $name => $route) {
  41              $this->routes[$name] = clone $route;
  42          }
  43      }
  44  
  45      /**
  46       * Gets the current RouteCollection as an Iterator that includes all routes.
  47       *
  48       * It implements \IteratorAggregate.
  49       *
  50       * @see all()
  51       *
  52       * @return \ArrayIterator|Route[] An \ArrayIterator object for iterating over routes
  53       */
  54      public function getIterator()
  55      {
  56          return new \ArrayIterator($this->routes);
  57      }
  58  
  59      /**
  60       * Gets the number of Routes in this collection.
  61       *
  62       * @return int The number of routes
  63       */
  64      public function count()
  65      {
  66          return \count($this->routes);
  67      }
  68  
  69      /**
  70       * Adds a route.
  71       *
  72       * @param string $name  The route name
  73       * @param Route  $route A Route instance
  74       */
  75      public function add($name, Route $route)
  76      {
  77          unset($this->routes[$name]);
  78  
  79          $this->routes[$name] = $route;
  80      }
  81  
  82      /**
  83       * Returns all routes in this collection.
  84       *
  85       * @return Route[] An array of routes
  86       */
  87      public function all()
  88      {
  89          return $this->routes;
  90      }
  91  
  92      /**
  93       * Gets a route by name.
  94       *
  95       * @param string $name The route name
  96       *
  97       * @return Route|null A Route instance or null when not found
  98       */
  99      public function get($name)
 100      {
 101          return isset($this->routes[$name]) ? $this->routes[$name] : null;
 102      }
 103  
 104      /**
 105       * Removes a route or an array of routes by name from the collection.
 106       *
 107       * @param string|string[] $name The route name or an array of route names
 108       */
 109      public function remove($name)
 110      {
 111          foreach ((array) $name as $n) {
 112              unset($this->routes[$n]);
 113          }
 114      }
 115  
 116      /**
 117       * Adds a route collection at the end of the current set by appending all
 118       * routes of the added collection.
 119       */
 120      public function addCollection(self $collection)
 121      {
 122          // we need to remove all routes with the same names first because just replacing them
 123          // would not place the new route at the end of the merged array
 124          foreach ($collection->all() as $name => $route) {
 125              unset($this->routes[$name]);
 126              $this->routes[$name] = $route;
 127          }
 128  
 129          foreach ($collection->getResources() as $resource) {
 130              $this->addResource($resource);
 131          }
 132      }
 133  
 134      /**
 135       * Adds a prefix to the path of all child routes.
 136       *
 137       * @param string $prefix       An optional prefix to add before each pattern of the route collection
 138       * @param array  $defaults     An array of default values
 139       * @param array  $requirements An array of requirements
 140       */
 141      public function addPrefix($prefix, array $defaults = [], array $requirements = [])
 142      {
 143          $prefix = trim(trim($prefix), '/');
 144  
 145          if ('' === $prefix) {
 146              return;
 147          }
 148  
 149          foreach ($this->routes as $route) {
 150              $route->setPath('/'.$prefix.$route->getPath());
 151              $route->addDefaults($defaults);
 152              $route->addRequirements($requirements);
 153          }
 154      }
 155  
 156      /**
 157       * Sets the host pattern on all routes.
 158       *
 159       * @param string $pattern      The pattern
 160       * @param array  $defaults     An array of default values
 161       * @param array  $requirements An array of requirements
 162       */
 163      public function setHost($pattern, array $defaults = [], array $requirements = [])
 164      {
 165          foreach ($this->routes as $route) {
 166              $route->setHost($pattern);
 167              $route->addDefaults($defaults);
 168              $route->addRequirements($requirements);
 169          }
 170      }
 171  
 172      /**
 173       * Sets a condition on all routes.
 174       *
 175       * Existing conditions will be overridden.
 176       *
 177       * @param string $condition The condition
 178       */
 179      public function setCondition($condition)
 180      {
 181          foreach ($this->routes as $route) {
 182              $route->setCondition($condition);
 183          }
 184      }
 185  
 186      /**
 187       * Adds defaults to all routes.
 188       *
 189       * An existing default value under the same name in a route will be overridden.
 190       *
 191       * @param array $defaults An array of default values
 192       */
 193      public function addDefaults(array $defaults)
 194      {
 195          if ($defaults) {
 196              foreach ($this->routes as $route) {
 197                  $route->addDefaults($defaults);
 198              }
 199          }
 200      }
 201  
 202      /**
 203       * Adds requirements to all routes.
 204       *
 205       * An existing requirement under the same name in a route will be overridden.
 206       *
 207       * @param array $requirements An array of requirements
 208       */
 209      public function addRequirements(array $requirements)
 210      {
 211          if ($requirements) {
 212              foreach ($this->routes as $route) {
 213                  $route->addRequirements($requirements);
 214              }
 215          }
 216      }
 217  
 218      /**
 219       * Adds options to all routes.
 220       *
 221       * An existing option value under the same name in a route will be overridden.
 222       *
 223       * @param array $options An array of options
 224       */
 225      public function addOptions(array $options)
 226      {
 227          if ($options) {
 228              foreach ($this->routes as $route) {
 229                  $route->addOptions($options);
 230              }
 231          }
 232      }
 233  
 234      /**
 235       * Sets the schemes (e.g. 'https') all child routes are restricted to.
 236       *
 237       * @param string|string[] $schemes The scheme or an array of schemes
 238       */
 239      public function setSchemes($schemes)
 240      {
 241          foreach ($this->routes as $route) {
 242              $route->setSchemes($schemes);
 243          }
 244      }
 245  
 246      /**
 247       * Sets the HTTP methods (e.g. 'POST') all child routes are restricted to.
 248       *
 249       * @param string|string[] $methods The method or an array of methods
 250       */
 251      public function setMethods($methods)
 252      {
 253          foreach ($this->routes as $route) {
 254              $route->setMethods($methods);
 255          }
 256      }
 257  
 258      /**
 259       * Returns an array of resources loaded to build this collection.
 260       *
 261       * @return ResourceInterface[] An array of resources
 262       */
 263      public function getResources()
 264      {
 265          return array_values($this->resources);
 266      }
 267  
 268      /**
 269       * Adds a resource for this collection. If the resource already exists
 270       * it is not added.
 271       */
 272      public function addResource(ResourceInterface $resource)
 273      {
 274          $key = (string) $resource;
 275  
 276          if (!isset($this->resources[$key])) {
 277              $this->resources[$key] = $resource;
 278          }
 279      }
 280  }


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