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Classes

  • CliRouter
  • Route
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  • SimpleRouter
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  1: <?php
  2: 
  3: /**
  4:  * This file is part of the Nette Framework (http://nette.org)
  5:  *
  6:  * Copyright (c) 2004, 2011 David Grudl (http://davidgrudl.com)
  7:  *
  8:  * For the full copyright and license information, please view
  9:  * the file license.txt that was distributed with this source code.
 10:  * @package Nette\Application\Routers
 11:  */
 12: 
 13: 
 14: 
 15: /**
 16:  * The bidirectional route for trivial routing via query parameters.
 17:  *
 18:  * @author     David Grudl
 19:  * @package Nette\Application\Routers
 20:  */
 21: class SimpleRouter extends Object implements IRouter
 22: {
 23:     const PRESENTER_KEY = 'presenter';
 24:     const MODULE_KEY = 'module';
 25: 
 26:     /** @var string */
 27:     private $module = '';
 28: 
 29:     /** @var array */
 30:     private $defaults;
 31: 
 32:     /** @var int */
 33:     private $flags;
 34: 
 35: 
 36: 
 37:     /**
 38:      * @param  array   default values
 39:      * @param  int     flags
 40:      */
 41:     public function __construct($defaults = array(), $flags = 0)
 42:     {
 43:         if (is_string($defaults)) {
 44:             $a = strrpos($defaults, ':');
 45:             if (!$a) {
 46:                 throw new InvalidArgumentException("Argument must be array or string in format Presenter:action, '$defaults' given.");
 47:             }
 48:             $defaults = array(
 49:                 self::PRESENTER_KEY => substr($defaults, 0, $a),
 50:                 'action' => $a === strlen($defaults) - 1 ? Presenter::DEFAULT_ACTION : substr($defaults, $a + 1),
 51:             );
 52:         }
 53: 
 54:         if (isset($defaults[self::MODULE_KEY])) {
 55:             $this->module = $defaults[self::MODULE_KEY] . ':';
 56:             unset($defaults[self::MODULE_KEY]);
 57:         }
 58: 
 59:         $this->defaults = $defaults;
 60:         $this->flags = $flags;
 61:     }
 62: 
 63: 
 64: 
 65:     /**
 66:      * Maps HTTP request to a Request object.
 67:      * @param  IHttpRequest
 68:      * @return PresenterRequest|NULL
 69:      */
 70:     public function match(IHttpRequest $httpRequest)
 71:     {
 72:         if ($httpRequest->getUrl()->getPathInfo() !== '') {
 73:             return NULL;
 74:         }
 75:         // combine with precedence: get, (post,) defaults
 76:         $params = $httpRequest->getQuery();
 77:         $params += $this->defaults;
 78: 
 79:         if (!isset($params[self::PRESENTER_KEY])) {
 80:             throw new InvalidStateException('Missing presenter.');
 81:         }
 82: 
 83:         $presenter = $this->module . $params[self::PRESENTER_KEY];
 84:         unset($params[self::PRESENTER_KEY]);
 85: 
 86:         return new PresenterRequest(
 87:             $presenter,
 88:             $httpRequest->getMethod(),
 89:             $params,
 90:             $httpRequest->getPost(),
 91:             $httpRequest->getFiles(),
 92:             array(PresenterRequest::SECURED => $httpRequest->isSecured())
 93:         );
 94:     }
 95: 
 96: 
 97: 
 98:     /**
 99:      * Constructs absolute URL from Request object.
100:      * @param  PresenterRequest
101:      * @param  Url
102:      * @return string|NULL
103:      */
104:     public function constructUrl(PresenterRequest $appRequest, Url $refUrl)
105:     {
106:         $params = $appRequest->getParams();
107: 
108:         // presenter name
109:         $presenter = $appRequest->getPresenterName();
110:         if (strncasecmp($presenter, $this->module, strlen($this->module)) === 0) {
111:             $params[self::PRESENTER_KEY] = substr($presenter, strlen($this->module));
112:         } else {
113:             return NULL;
114:         }
115: 
116:         // remove default values; NULL values are retain
117:         foreach ($this->defaults as $key => $value) {
118:             if (isset($params[$key]) && $params[$key] == $value) { // intentionally ==
119:                 unset($params[$key]);
120:             }
121:         }
122: 
123:         $url = ($this->flags & self::SECURED ? 'https://' : 'http://') . $refUrl->getAuthority() . $refUrl->getPath();
124:         $sep = ini_get('arg_separator.input');
125:         $query = http_build_query($params, '', $sep ? $sep[0] : '&');
126:         if ($query != '') { // intentionally ==
127:             $url .= '?' . $query;
128:         }
129:         return $url;
130:     }
131: 
132: 
133: 
134:     /**
135:      * Returns default values.
136:      * @return array
137:      */
138:     public function getDefaults()
139:     {
140:         return $this->defaults;
141:     }
142: 
143: }
144: 
Nette Framework 2.0beta1 (for PHP 5.2) API API documentation generated by ApiGen 2.3.0