MIF_E31222691/laravel/routing/route.php

139 lines
3.0 KiB
PHP

<?php namespace Laravel\Routing;
use Closure;
class Route {
/**
* The route key, including request method and URI.
*
* @var string
*/
public $key;
/**
* The URIs the route responds to.
*
* @var array
*/
public $uris;
/**
* The route callback or array.
*
* @var mixed
*/
public $callback;
/**
* The parameters that will passed to the route callback.
*
* @var array
*/
public $parameters;
/**
* Create a new Route instance.
*
* @param string $key
* @param mixed $callback
* @param array $parameters
* @return void
*/
public function __construct($key, $callback, $parameters = array())
{
$this->key = $key;
$this->callback = $callback;
$this->parameters = $parameters;
$this->uris = $this->parse_uris($key);
}
/**
* Parse the route key and return an array of URIs the route responds to.
*
* @param string $key
* @return array
*/
protected function parse_uris($key)
{
if (strpos($key, ', ') === false) return array($this->extract_uri($key));
// The extractor closure will retrieve the URI from a given route destination.
// If the request is to the root of the application, a single forward slash
// will be returned, otherwise the leading slash will be removed.
$extractor = function($segment)
{
$segment = substr($segment, strpos($segment, ' ') + 1);
return ($segment !== '/') ? trim($segment, '/') : $segment;
};
return array_map(function($segment) use ($extractor) { return $extractor($segment); }, explode(', ', $key));
}
/**
* Call the route closure.
*
* If no closure is defined for the route, null will be returned.
*
* @return mixed
*/
public function call()
{
return ( ! is_null($closure = $this->closure())) ? call_user_func_array($closure, $this->parameters) : null;
}
/**
* Extract the route closure from the route.
*
* @return Closure|null
*/
protected function closure()
{
if ($this->callback instanceof Closure) return $this->callback;
foreach ($this->callback as $value) { if ($value instanceof Closure) return $value; }
}
/**
* Get an array of filter names defined for the route.
*
* @param string $name
* @return array
*/
public function filters($name)
{
return (is_array($this->callback) and isset($this->callback[$name])) ? explode(', ', $this->callback[$name]) : array();
}
/**
* Determine if the route has a given name.
*
* @param string $name
* @return bool
*/
public function is($name)
{
return (is_array($this->callback) and isset($this->callback['name'])) ? $this->callback['name'] === $name : false;
}
/**
* Determine if the route handles a given URI.
*
* @param string $uri
* @return bool
*/
public function handles($uri)
{
return in_array($uri, $this->uris);
}
/**
* Magic Method to handle dynamic method calls to determine the name of the route.
*/
public function __call($method, $parameters)
{
if (strpos($method, 'is_') === 0) { return $this->is(substr($method, 3)); }
}
}