595 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			595 lines
		
	
	
		
			14 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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| /**
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|  * A Route describes a route and its parameters.
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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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|  * @api
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|  */
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| class Route implements \Serializable
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| {
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|     /**
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|      * @var string
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|      */
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|     private $path = '/';
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| 
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|     /**
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|      * @var string
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|      */
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|     private $host = '';
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| 
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|     /**
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|      * @var array
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|      */
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|     private $schemes = array();
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| 
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|     /**
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|      * @var array
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|      */
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|     private $methods = array();
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| 
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|     /**
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|      * @var array
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|      */
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|     private $defaults = array();
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| 
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|     /**
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|      * @var array
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|      */
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|     private $requirements = array();
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| 
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|     /**
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|      * @var array
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|      */
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|     private $options = array();
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| 
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|     /**
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|      * @var null|CompiledRoute
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|      */
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|     private $compiled;
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| 
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|     /**
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|      * Constructor.
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|      *
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|      * Available options:
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|      *
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|      *  * compiler_class: A class name able to compile this route instance (RouteCompiler by default)
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|      *
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|      * @param string       $path         The path pattern to match
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|      * @param array        $defaults     An array of default parameter values
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|      * @param array        $requirements An array of requirements for parameters (regexes)
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|      * @param array        $options      An array of options
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|      * @param string       $host         The host pattern to match
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|      * @param string|array $schemes      A required URI scheme or an array of restricted schemes
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|      * @param string|array $methods      A required HTTP method or an array of restricted methods
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|      *
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|      * @api
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|      */
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|     public function __construct($path, array $defaults = array(), array $requirements = array(), array $options = array(), $host = '', $schemes = array(), $methods = array())
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|     {
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|         $this->setPath($path);
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|         $this->setDefaults($defaults);
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|         $this->setRequirements($requirements);
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|         $this->setOptions($options);
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|         $this->setHost($host);
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|         // The conditions make sure that an initial empty $schemes/$methods does not override the corresponding requirement.
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|         // They can be removed when the BC layer is removed.
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|         if ($schemes) {
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|             $this->setSchemes($schemes);
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|         }
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|         if ($methods) {
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|             $this->setMethods($methods);
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|         }
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|     }
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| 
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|     public function serialize()
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|     {
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|         return serialize(array(
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|             'path'         => $this->path,
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|             'host'         => $this->host,
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|             'defaults'     => $this->defaults,
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|             'requirements' => $this->requirements,
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|             'options'      => $this->options,
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|             'schemes'      => $this->schemes,
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|             'methods'      => $this->methods,
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|         ));
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|     }
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| 
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|     public function unserialize($data)
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|     {
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|         $data = unserialize($data);
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|         $this->path = $data['path'];
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|         $this->host = $data['host'];
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|         $this->defaults = $data['defaults'];
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|         $this->requirements = $data['requirements'];
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|         $this->options = $data['options'];
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|         $this->schemes = $data['schemes'];
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|         $this->methods = $data['methods'];
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|     }
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| 
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|     /**
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|      * Returns the pattern for the path.
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|      *
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|      * @return string The pattern
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|      *
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|      * @deprecated Deprecated in 2.2, to be removed in 3.0. Use getPath instead.
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|      */
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|     public function getPattern()
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|     {
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|         return $this->path;
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|     }
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| 
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|     /**
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|      * Sets the pattern for the path.
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|      *
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|      * This method implements a fluent interface.
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|      *
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|      * @param string $pattern The path pattern
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|      *
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|      * @return Route The current Route instance
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|      *
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|      * @deprecated Deprecated in 2.2, to be removed in 3.0. Use setPath instead.
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|      */
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|     public function setPattern($pattern)
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|     {
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|         return $this->setPath($pattern);
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|     }
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| 
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|     /**
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|      * Returns the pattern for the path.
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|      *
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|      * @return string The path pattern
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|      */
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|     public function getPath()
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|     {
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|         return $this->path;
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|     }
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| 
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|     /**
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|      * Sets the pattern for the path.
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|      *
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|      * This method implements a fluent interface.
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|      *
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|      * @param string $pattern The path pattern
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|      *
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|      * @return Route The current Route instance
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|      */
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|     public function setPath($pattern)
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|     {
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|         // A pattern must start with a slash and must not have multiple slashes at the beginning because the
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|         // generated path for this route would be confused with a network path, e.g. '//domain.com/path'.
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|         $this->path = '/'.ltrim(trim($pattern), '/');
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|         $this->compiled = null;
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| 
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|         return $this;
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|     }
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| 
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|     /**
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|      * Returns the pattern for the host.
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|      *
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|      * @return string The host pattern
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|      */
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|     public function getHost()
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|     {
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|         return $this->host;
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|     }
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| 
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|     /**
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|      * Sets the pattern for the host.
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|      *
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|      * This method implements a fluent interface.
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|      *
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|      * @param string $pattern The host pattern
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|      *
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|      * @return Route The current Route instance
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|      */
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|     public function setHost($pattern)
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|     {
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|         $this->host = (string) $pattern;
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|         $this->compiled = null;
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| 
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|         return $this;
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|     }
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| 
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|     /**
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|      * Returns the lowercased schemes this route is restricted to.
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|      * So an empty array means that any scheme is allowed.
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|      *
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|      * @return array The schemes
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|      */
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|     public function getSchemes()
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|     {
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|         return $this->schemes;
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|     }
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| 
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|     /**
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|      * Sets the schemes (e.g. 'https') this route is restricted to.
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|      * So an empty array means that any scheme is allowed.
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|      *
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|      * This method implements a fluent interface.
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|      *
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|      * @param string|array $schemes The scheme or an array of schemes
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|      *
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|      * @return Route The current Route instance
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|      */
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|     public function setSchemes($schemes)
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|     {
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|         $this->schemes = array_map('strtolower', (array) $schemes);
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| 
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|         // this is to keep BC and will be removed in a future version
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|         if ($this->schemes) {
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|             $this->requirements['_scheme'] = implode('|', $this->schemes);
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|         } else {
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|             unset($this->requirements['_scheme']);
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|         }
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| 
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|         $this->compiled = null;
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| 
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|         return $this;
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|     }
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| 
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|     /**
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|      * Returns the uppercased HTTP methods this route is restricted to.
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|      * So an empty array means that any method is allowed.
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|      *
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|      * @return array The schemes
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|      */
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|     public function getMethods()
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|     {
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|         return $this->methods;
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|     }
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| 
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|     /**
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|      * Sets the HTTP methods (e.g. 'POST') this route is restricted to.
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|      * So an empty array means that any method is allowed.
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|      *
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|      * This method implements a fluent interface.
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|      *
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|      * @param string|array $methods The method or an array of methods
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|      *
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|      * @return Route The current Route instance
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|      */
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|     public function setMethods($methods)
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|     {
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|         $this->methods = array_map('strtoupper', (array) $methods);
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| 
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|         // this is to keep BC and will be removed in a future version
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|         if ($this->methods) {
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|             $this->requirements['_method'] = implode('|', $this->methods);
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|         } else {
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|             unset($this->requirements['_method']);
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|         }
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| 
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|         $this->compiled = null;
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| 
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|         return $this;
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|     }
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| 
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|     /**
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|      * Returns the options.
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|      *
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|      * @return array The options
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|      */
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|     public function getOptions()
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|     {
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|         return $this->options;
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|     }
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| 
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|     /**
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|      * Sets the options.
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|      *
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|      * This method implements a fluent interface.
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|      *
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|      * @param array $options The options
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|      *
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|      * @return Route The current Route instance
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|      */
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|     public function setOptions(array $options)
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|     {
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|         $this->options = array(
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|             'compiler_class' => 'Symfony\\Component\\Routing\\RouteCompiler',
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|         );
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| 
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|         return $this->addOptions($options);
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|     }
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| 
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|     /**
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|      * Adds options.
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|      *
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|      * This method implements a fluent interface.
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|      *
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|      * @param array $options The options
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|      *
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|      * @return Route The current Route instance
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|      */
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|     public function addOptions(array $options)
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|     {
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|         foreach ($options as $name => $option) {
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|             $this->options[$name] = $option;
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|         }
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|         $this->compiled = null;
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| 
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|         return $this;
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|     }
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| 
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|     /**
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|      * Sets an option value.
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|      *
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|      * This method implements a fluent interface.
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|      *
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|      * @param string $name  An option name
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|      * @param mixed  $value The option value
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|      *
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|      * @return Route The current Route instance
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|      *
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|      * @api
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|      */
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|     public function setOption($name, $value)
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|     {
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|         $this->options[$name] = $value;
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|         $this->compiled = null;
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| 
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|         return $this;
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|     }
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| 
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|     /**
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|      * Get an option value.
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|      *
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|      * @param string $name An option name
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|      *
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|      * @return mixed The option value or null when not given
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|      */
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|     public function getOption($name)
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|     {
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|         return isset($this->options[$name]) ? $this->options[$name] : null;
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|     }
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| 
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|     /**
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|      * Checks if an option has been set
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|      *
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|      * @param string $name An option name
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|      *
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|      * @return Boolean true if the option is set, false otherwise
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|      */
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|     public function hasOption($name)
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|     {
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|         return array_key_exists($name, $this->options);
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|     }
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| 
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|     /**
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|      * Returns the defaults.
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|      *
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|      * @return array The defaults
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|      */
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|     public function getDefaults()
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|     {
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|         return $this->defaults;
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|     }
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| 
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|     /**
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|      * Sets the defaults.
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|      *
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|      * This method implements a fluent interface.
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|      *
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|      * @param array $defaults The defaults
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|      *
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|      * @return Route The current Route instance
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|      */
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|     public function setDefaults(array $defaults)
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|     {
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|         $this->defaults = array();
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| 
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|         return $this->addDefaults($defaults);
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|     }
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| 
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|     /**
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|      * Adds defaults.
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|      *
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|      * This method implements a fluent interface.
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|      *
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|      * @param array $defaults The defaults
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|      *
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|      * @return Route The current Route instance
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|      */
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|     public function addDefaults(array $defaults)
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|     {
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|         foreach ($defaults as $name => $default) {
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|             $this->defaults[$name] = $default;
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|         }
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|         $this->compiled = null;
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| 
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|         return $this;
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|     }
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| 
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|     /**
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|      * Gets a default value.
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|      *
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|      * @param string $name A variable name
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|      *
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|      * @return mixed The default value or null when not given
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|      */
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|     public function getDefault($name)
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|     {
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|         return isset($this->defaults[$name]) ? $this->defaults[$name] : null;
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|     }
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| 
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|     /**
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|      * Checks if a default value is set for the given variable.
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|      *
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|      * @param string $name A variable name
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|      *
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|      * @return Boolean true if the default value is set, false otherwise
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|      */
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|     public function hasDefault($name)
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|     {
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|         return array_key_exists($name, $this->defaults);
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|     }
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| 
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|     /**
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|      * Sets a default value.
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|      *
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|      * @param string $name    A variable name
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|      * @param mixed  $default The default value
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|      *
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|      * @return Route The current Route instance
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|      *
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|      * @api
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|      */
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|     public function setDefault($name, $default)
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|     {
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|         $this->defaults[$name] = $default;
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|         $this->compiled = null;
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| 
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|         return $this;
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|     }
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| 
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|     /**
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|      * Returns the requirements.
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|      *
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|      * @return array The requirements
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|      */
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|     public function getRequirements()
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|     {
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|         return $this->requirements;
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|     }
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| 
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|     /**
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|      * Sets the requirements.
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|      *
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|      * This method implements a fluent interface.
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|      *
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|      * @param array $requirements The requirements
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|      *
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|      * @return Route The current Route instance
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|      */
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|     public function setRequirements(array $requirements)
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|     {
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|         $this->requirements = array();
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| 
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|         return $this->addRequirements($requirements);
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|     }
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| 
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|     /**
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|      * Adds requirements.
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|      *
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|      * This method implements a fluent interface.
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|      *
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|      * @param array $requirements The requirements
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|      *
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|      * @return Route The current Route instance
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|      */
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|     public function addRequirements(array $requirements)
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|     {
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|         foreach ($requirements as $key => $regex) {
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|             $this->requirements[$key] = $this->sanitizeRequirement($key, $regex);
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|         }
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|         $this->compiled = null;
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| 
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|         return $this;
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|     }
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| 
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|     /**
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|      * Returns the requirement for the given key.
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|      *
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|      * @param string $key The key
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|      *
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|      * @return string|null The regex or null when not given
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|      */
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|     public function getRequirement($key)
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|     {
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|         return isset($this->requirements[$key]) ? $this->requirements[$key] : null;
 | |
|     }
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| 
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|     /**
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|      * Checks if a requirement is set for the given key.
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|      *
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|      * @param string $key A variable name
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|      *
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|      * @return Boolean true if a requirement is specified, false otherwise
 | |
|      */
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|     public function hasRequirement($key)
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|     {
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|         return array_key_exists($key, $this->requirements);
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|     }
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| 
 | |
|     /**
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|      * Sets a requirement for the given key.
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|      *
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|      * @param string $key   The key
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|      * @param string $regex The regex
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|      *
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|      * @return Route The current Route instance
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|      *
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|      * @api
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|      */
 | |
|     public function setRequirement($key, $regex)
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|     {
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|         $this->requirements[$key] = $this->sanitizeRequirement($key, $regex);
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|         $this->compiled = null;
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| 
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|         return $this;
 | |
|     }
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| 
 | |
|     /**
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|      * Compiles the route.
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|      *
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|      * @return CompiledRoute A CompiledRoute instance
 | |
|      *
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|      * @throws \LogicException If the Route cannot be compiled because the
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|      *                         path or host pattern is invalid
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|      *
 | |
|      * @see RouteCompiler which is responsible for the compilation process
 | |
|      */
 | |
|     public function compile()
 | |
|     {
 | |
|         if (null !== $this->compiled) {
 | |
|             return $this->compiled;
 | |
|         }
 | |
| 
 | |
|         $class = $this->getOption('compiler_class');
 | |
| 
 | |
|         return $this->compiled = $class::compile($this);
 | |
|     }
 | |
| 
 | |
|     private function sanitizeRequirement($key, $regex)
 | |
|     {
 | |
|         if (!is_string($regex)) {
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|             throw new \InvalidArgumentException(sprintf('Routing requirement for "%s" must be a string.', $key));
 | |
|         }
 | |
| 
 | |
|         if ('' !== $regex && '^' === $regex[0]) {
 | |
|             $regex = (string) substr($regex, 1); // returns false for a single character
 | |
|         }
 | |
| 
 | |
|         if ('$' === substr($regex, -1)) {
 | |
|             $regex = substr($regex, 0, -1);
 | |
|         }
 | |
| 
 | |
|         if ('' === $regex) {
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|             throw new \InvalidArgumentException(sprintf('Routing requirement for "%s" cannot be empty.', $key));
 | |
|         }
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| 
 | |
|         // this is to keep BC and will be removed in a future version
 | |
|         if ('_scheme' === $key) {
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|             $this->setSchemes(explode('|', $regex));
 | |
|         } elseif ('_method' === $key) {
 | |
|             $this->setMethods(explode('|', $regex));
 | |
|         }
 | |
| 
 | |
|         return $regex;
 | |
|     }
 | |
| }
 |