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/vendor/symfony/routing/ -> Route.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  /**
  15   * A Route describes a route and its parameters.
  16   *
  17   * @author Fabien Potencier <fabien@symfony.com>
  18   * @author Tobias Schultze <http://tobion.de>
  19   */
  20  class Route implements \Serializable
  21  {
  22      private $path = '/';
  23      private $host = '';
  24      private $schemes = [];
  25      private $methods = [];
  26      private $defaults = [];
  27      private $requirements = [];
  28      private $options = [];
  29      private $condition = '';
  30  
  31      /**
  32       * @var CompiledRoute|null
  33       */
  34      private $compiled;
  35  
  36      /**
  37       * Constructor.
  38       *
  39       * Available options:
  40       *
  41       *  * compiler_class: A class name able to compile this route instance (RouteCompiler by default)
  42       *  * utf8:           Whether UTF-8 matching is enforced ot not
  43       *
  44       * @param string          $path         The path pattern to match
  45       * @param array           $defaults     An array of default parameter values
  46       * @param array           $requirements An array of requirements for parameters (regexes)
  47       * @param array           $options      An array of options
  48       * @param string          $host         The host pattern to match
  49       * @param string|string[] $schemes      A required URI scheme or an array of restricted schemes
  50       * @param string|string[] $methods      A required HTTP method or an array of restricted methods
  51       * @param string          $condition    A condition that should evaluate to true for the route to match
  52       */
  53      public function __construct($path, array $defaults = [], array $requirements = [], array $options = [], $host = '', $schemes = [], $methods = [], $condition = '')
  54      {
  55          $this->setPath($path);
  56          $this->setDefaults($defaults);
  57          $this->setRequirements($requirements);
  58          $this->setOptions($options);
  59          $this->setHost($host);
  60          $this->setSchemes($schemes);
  61          $this->setMethods($methods);
  62          $this->setCondition($condition);
  63      }
  64  
  65      /**
  66       * {@inheritdoc}
  67       */
  68      public function serialize()
  69      {
  70          return serialize([
  71              'path' => $this->path,
  72              'host' => $this->host,
  73              'defaults' => $this->defaults,
  74              'requirements' => $this->requirements,
  75              'options' => $this->options,
  76              'schemes' => $this->schemes,
  77              'methods' => $this->methods,
  78              'condition' => $this->condition,
  79              'compiled' => $this->compiled,
  80          ]);
  81      }
  82  
  83      /**
  84       * {@inheritdoc}
  85       */
  86      public function unserialize($serialized)
  87      {
  88          $data = unserialize($serialized);
  89          $this->path = $data['path'];
  90          $this->host = $data['host'];
  91          $this->defaults = $data['defaults'];
  92          $this->requirements = $data['requirements'];
  93          $this->options = $data['options'];
  94          $this->schemes = $data['schemes'];
  95          $this->methods = $data['methods'];
  96  
  97          if (isset($data['condition'])) {
  98              $this->condition = $data['condition'];
  99          }
 100          if (isset($data['compiled'])) {
 101              $this->compiled = $data['compiled'];
 102          }
 103      }
 104  
 105      /**
 106       * Returns the pattern for the path.
 107       *
 108       * @return string The path pattern
 109       */
 110      public function getPath()
 111      {
 112          return $this->path;
 113      }
 114  
 115      /**
 116       * Sets the pattern for the path.
 117       *
 118       * This method implements a fluent interface.
 119       *
 120       * @param string $pattern The path pattern
 121       *
 122       * @return $this
 123       */
 124      public function setPath($pattern)
 125      {
 126          // A pattern must start with a slash and must not have multiple slashes at the beginning because the
 127          // generated path for this route would be confused with a network path, e.g. '//domain.com/path'.
 128          $this->path = '/'.ltrim(trim($pattern), '/');
 129          $this->compiled = null;
 130  
 131          return $this;
 132      }
 133  
 134      /**
 135       * Returns the pattern for the host.
 136       *
 137       * @return string The host pattern
 138       */
 139      public function getHost()
 140      {
 141          return $this->host;
 142      }
 143  
 144      /**
 145       * Sets the pattern for the host.
 146       *
 147       * This method implements a fluent interface.
 148       *
 149       * @param string $pattern The host pattern
 150       *
 151       * @return $this
 152       */
 153      public function setHost($pattern)
 154      {
 155          $this->host = (string) $pattern;
 156          $this->compiled = null;
 157  
 158          return $this;
 159      }
 160  
 161      /**
 162       * Returns the lowercased schemes this route is restricted to.
 163       * So an empty array means that any scheme is allowed.
 164       *
 165       * @return string[] The schemes
 166       */
 167      public function getSchemes()
 168      {
 169          return $this->schemes;
 170      }
 171  
 172      /**
 173       * Sets the schemes (e.g. 'https') this route is restricted to.
 174       * So an empty array means that any scheme is allowed.
 175       *
 176       * This method implements a fluent interface.
 177       *
 178       * @param string|string[] $schemes The scheme or an array of schemes
 179       *
 180       * @return $this
 181       */
 182      public function setSchemes($schemes)
 183      {
 184          $this->schemes = array_map('strtolower', (array) $schemes);
 185          $this->compiled = null;
 186  
 187          return $this;
 188      }
 189  
 190      /**
 191       * Checks if a scheme requirement has been set.
 192       *
 193       * @param string $scheme
 194       *
 195       * @return bool true if the scheme requirement exists, otherwise false
 196       */
 197      public function hasScheme($scheme)
 198      {
 199          return \in_array(strtolower($scheme), $this->schemes, true);
 200      }
 201  
 202      /**
 203       * Returns the uppercased HTTP methods this route is restricted to.
 204       * So an empty array means that any method is allowed.
 205       *
 206       * @return string[] The methods
 207       */
 208      public function getMethods()
 209      {
 210          return $this->methods;
 211      }
 212  
 213      /**
 214       * Sets the HTTP methods (e.g. 'POST') this route is restricted to.
 215       * So an empty array means that any method is allowed.
 216       *
 217       * This method implements a fluent interface.
 218       *
 219       * @param string|string[] $methods The method or an array of methods
 220       *
 221       * @return $this
 222       */
 223      public function setMethods($methods)
 224      {
 225          $this->methods = array_map('strtoupper', (array) $methods);
 226          $this->compiled = null;
 227  
 228          return $this;
 229      }
 230  
 231      /**
 232       * Returns the options.
 233       *
 234       * @return array The options
 235       */
 236      public function getOptions()
 237      {
 238          return $this->options;
 239      }
 240  
 241      /**
 242       * Sets the options.
 243       *
 244       * This method implements a fluent interface.
 245       *
 246       * @param array $options The options
 247       *
 248       * @return $this
 249       */
 250      public function setOptions(array $options)
 251      {
 252          $this->options = [
 253              'compiler_class' => 'Symfony\\Component\\Routing\\RouteCompiler',
 254          ];
 255  
 256          return $this->addOptions($options);
 257      }
 258  
 259      /**
 260       * Adds options.
 261       *
 262       * This method implements a fluent interface.
 263       *
 264       * @param array $options The options
 265       *
 266       * @return $this
 267       */
 268      public function addOptions(array $options)
 269      {
 270          foreach ($options as $name => $option) {
 271              $this->options[$name] = $option;
 272          }
 273          $this->compiled = null;
 274  
 275          return $this;
 276      }
 277  
 278      /**
 279       * Sets an option value.
 280       *
 281       * This method implements a fluent interface.
 282       *
 283       * @param string $name  An option name
 284       * @param mixed  $value The option value
 285       *
 286       * @return $this
 287       */
 288      public function setOption($name, $value)
 289      {
 290          $this->options[$name] = $value;
 291          $this->compiled = null;
 292  
 293          return $this;
 294      }
 295  
 296      /**
 297       * Get an option value.
 298       *
 299       * @param string $name An option name
 300       *
 301       * @return mixed The option value or null when not given
 302       */
 303      public function getOption($name)
 304      {
 305          return isset($this->options[$name]) ? $this->options[$name] : null;
 306      }
 307  
 308      /**
 309       * Checks if an option has been set.
 310       *
 311       * @param string $name An option name
 312       *
 313       * @return bool true if the option is set, false otherwise
 314       */
 315      public function hasOption($name)
 316      {
 317          return \array_key_exists($name, $this->options);
 318      }
 319  
 320      /**
 321       * Returns the defaults.
 322       *
 323       * @return array The defaults
 324       */
 325      public function getDefaults()
 326      {
 327          return $this->defaults;
 328      }
 329  
 330      /**
 331       * Sets the defaults.
 332       *
 333       * This method implements a fluent interface.
 334       *
 335       * @param array $defaults The defaults
 336       *
 337       * @return $this
 338       */
 339      public function setDefaults(array $defaults)
 340      {
 341          $this->defaults = [];
 342  
 343          return $this->addDefaults($defaults);
 344      }
 345  
 346      /**
 347       * Adds defaults.
 348       *
 349       * This method implements a fluent interface.
 350       *
 351       * @param array $defaults The defaults
 352       *
 353       * @return $this
 354       */
 355      public function addDefaults(array $defaults)
 356      {
 357          foreach ($defaults as $name => $default) {
 358              $this->defaults[$name] = $default;
 359          }
 360          $this->compiled = null;
 361  
 362          return $this;
 363      }
 364  
 365      /**
 366       * Gets a default value.
 367       *
 368       * @param string $name A variable name
 369       *
 370       * @return mixed The default value or null when not given
 371       */
 372      public function getDefault($name)
 373      {
 374          return isset($this->defaults[$name]) ? $this->defaults[$name] : null;
 375      }
 376  
 377      /**
 378       * Checks if a default value is set for the given variable.
 379       *
 380       * @param string $name A variable name
 381       *
 382       * @return bool true if the default value is set, false otherwise
 383       */
 384      public function hasDefault($name)
 385      {
 386          return \array_key_exists($name, $this->defaults);
 387      }
 388  
 389      /**
 390       * Sets a default value.
 391       *
 392       * @param string $name    A variable name
 393       * @param mixed  $default The default value
 394       *
 395       * @return $this
 396       */
 397      public function setDefault($name, $default)
 398      {
 399          $this->defaults[$name] = $default;
 400          $this->compiled = null;
 401  
 402          return $this;
 403      }
 404  
 405      /**
 406       * Returns the requirements.
 407       *
 408       * @return array The requirements
 409       */
 410      public function getRequirements()
 411      {
 412          return $this->requirements;
 413      }
 414  
 415      /**
 416       * Sets the requirements.
 417       *
 418       * This method implements a fluent interface.
 419       *
 420       * @param array $requirements The requirements
 421       *
 422       * @return $this
 423       */
 424      public function setRequirements(array $requirements)
 425      {
 426          $this->requirements = [];
 427  
 428          return $this->addRequirements($requirements);
 429      }
 430  
 431      /**
 432       * Adds requirements.
 433       *
 434       * This method implements a fluent interface.
 435       *
 436       * @param array $requirements The requirements
 437       *
 438       * @return $this
 439       */
 440      public function addRequirements(array $requirements)
 441      {
 442          foreach ($requirements as $key => $regex) {
 443              $this->requirements[$key] = $this->sanitizeRequirement($key, $regex);
 444          }
 445          $this->compiled = null;
 446  
 447          return $this;
 448      }
 449  
 450      /**
 451       * Returns the requirement for the given key.
 452       *
 453       * @param string $key The key
 454       *
 455       * @return string|null The regex or null when not given
 456       */
 457      public function getRequirement($key)
 458      {
 459          return isset($this->requirements[$key]) ? $this->requirements[$key] : null;
 460      }
 461  
 462      /**
 463       * Checks if a requirement is set for the given key.
 464       *
 465       * @param string $key A variable name
 466       *
 467       * @return bool true if a requirement is specified, false otherwise
 468       */
 469      public function hasRequirement($key)
 470      {
 471          return \array_key_exists($key, $this->requirements);
 472      }
 473  
 474      /**
 475       * Sets a requirement for the given key.
 476       *
 477       * @param string $key   The key
 478       * @param string $regex The regex
 479       *
 480       * @return $this
 481       */
 482      public function setRequirement($key, $regex)
 483      {
 484          $this->requirements[$key] = $this->sanitizeRequirement($key, $regex);
 485          $this->compiled = null;
 486  
 487          return $this;
 488      }
 489  
 490      /**
 491       * Returns the condition.
 492       *
 493       * @return string The condition
 494       */
 495      public function getCondition()
 496      {
 497          return $this->condition;
 498      }
 499  
 500      /**
 501       * Sets the condition.
 502       *
 503       * This method implements a fluent interface.
 504       *
 505       * @param string $condition The condition
 506       *
 507       * @return $this
 508       */
 509      public function setCondition($condition)
 510      {
 511          $this->condition = (string) $condition;
 512          $this->compiled = null;
 513  
 514          return $this;
 515      }
 516  
 517      /**
 518       * Compiles the route.
 519       *
 520       * @return CompiledRoute A CompiledRoute instance
 521       *
 522       * @throws \LogicException If the Route cannot be compiled because the
 523       *                         path or host pattern is invalid
 524       *
 525       * @see RouteCompiler which is responsible for the compilation process
 526       */
 527      public function compile()
 528      {
 529          if (null !== $this->compiled) {
 530              return $this->compiled;
 531          }
 532  
 533          $class = $this->getOption('compiler_class');
 534  
 535          return $this->compiled = $class::compile($this);
 536      }
 537  
 538      private function sanitizeRequirement($key, $regex)
 539      {
 540          if (!\is_string($regex)) {
 541              throw new \InvalidArgumentException(sprintf('Routing requirement for "%s" must be a string.', $key));
 542          }
 543  
 544          if ('' !== $regex && '^' === $regex[0]) {
 545              $regex = (string) substr($regex, 1); // returns false for a single character
 546          }
 547  
 548          if ('$' === substr($regex, -1)) {
 549              $regex = substr($regex, 0, -1);
 550          }
 551  
 552          if ('' === $regex) {
 553              throw new \InvalidArgumentException(sprintf('Routing requirement for "%s" cannot be empty.', $key));
 554          }
 555  
 556          return $regex;
 557      }
 558  }


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