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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:  */
 11: 
 12: namespace Nette\Application\Routers;
 13: 
 14: use Nette,
 15:     Nette\Application;
 16: 
 17: 
 18: 
 19: /**
 20:  * The bidirectional route for trivial routing via query parameters.
 21:  *
 22:  * @author     David Grudl
 23:  */
 24: class SimpleRouter extends Nette\Object implements Application\IRouter
 25: {
 26:     const PRESENTER_KEY = 'presenter';
 27:     const MODULE_KEY = 'module';
 28: 
 29:     /** @var string */
 30:     private $module = '';
 31: 
 32:     /** @var array */
 33:     private $defaults;
 34: 
 35:     /** @var int */
 36:     private $flags;
 37: 
 38: 
 39: 
 40:     /**
 41:      * @param  array   default values
 42:      * @param  int     flags
 43:      */
 44:     public function __construct($defaults = array(), $flags = 0)
 45:     {
 46:         if (is_string($defaults)) {
 47:             $a = strrpos($defaults, ':');
 48:             if (!$a) {
 49:                 throw new Nette\InvalidArgumentException("Argument must be array or string in format Presenter:action, '$defaults' given.");
 50:             }
 51:             $defaults = array(
 52:                 self::PRESENTER_KEY => substr($defaults, 0, $a),
 53:                 'action' => $a === strlen($defaults) - 1 ? Application\UI\Presenter::DEFAULT_ACTION : substr($defaults, $a + 1),
 54:             );
 55:         }
 56: 
 57:         if (isset($defaults[self::MODULE_KEY])) {
 58:             $this->module = $defaults[self::MODULE_KEY] . ':';
 59:             unset($defaults[self::MODULE_KEY]);
 60:         }
 61: 
 62:         $this->defaults = $defaults;
 63:         $this->flags = $flags;
 64:     }
 65: 
 66: 
 67: 
 68:     /**
 69:      * Maps HTTP request to a Request object.
 70:      * @param  Nette\Http\IRequest
 71:      * @return Nette\Application\Request|NULL
 72:      */
 73:     public function match(Nette\Http\IRequest $httpRequest)
 74:     {
 75:         if ($httpRequest->getUrl()->getPathInfo() !== '') {
 76:             return NULL;
 77:         }
 78:         // combine with precedence: get, (post,) defaults
 79:         $params = $httpRequest->getQuery();
 80:         $params += $this->defaults;
 81: 
 82:         if (!isset($params[self::PRESENTER_KEY])) {
 83:             throw new Nette\InvalidStateException('Missing presenter.');
 84:         }
 85: 
 86:         $presenter = $this->module . $params[self::PRESENTER_KEY];
 87:         unset($params[self::PRESENTER_KEY]);
 88: 
 89:         return new Application\Request(
 90:             $presenter,
 91:             $httpRequest->getMethod(),
 92:             $params,
 93:             $httpRequest->getPost(),
 94:             $httpRequest->getFiles(),
 95:             array(Application\Request::SECURED => $httpRequest->isSecured())
 96:         );
 97:     }
 98: 
 99: 
100: 
101:     /**
102:      * Constructs absolute URL from Request object.
103:      * @param  Nette\Application\Request
104:      * @param  Nette\Http\Url
105:      * @return string|NULL
106:      */
107:     public function constructUrl(Application\Request $appRequest, Nette\Http\Url $refUrl)
108:     {
109:         $params = $appRequest->getParams();
110: 
111:         // presenter name
112:         $presenter = $appRequest->getPresenterName();
113:         if (strncasecmp($presenter, $this->module, strlen($this->module)) === 0) {
114:             $params[self::PRESENTER_KEY] = substr($presenter, strlen($this->module));
115:         } else {
116:             return NULL;
117:         }
118: 
119:         // remove default values; NULL values are retain
120:         foreach ($this->defaults as $key => $value) {
121:             if (isset($params[$key]) && $params[$key] == $value) { // intentionally ==
122:                 unset($params[$key]);
123:             }
124:         }
125: 
126:         $url = ($this->flags & self::SECURED ? 'https://' : 'http://') . $refUrl->getAuthority() . $refUrl->getPath();
127:         $sep = ini_get('arg_separator.input');
128:         $query = http_build_query($params, '', $sep ? $sep[0] : '&');
129:         if ($query != '') { // intentionally ==
130:             $url .= '?' . $query;
131:         }
132:         return $url;
133:     }
134: 
135: 
136: 
137:     /**
138:      * Returns default values.
139:      * @return array
140:      */
141:     public function getDefaults()
142:     {
143:         return $this->defaults;
144:     }
145: 
146: }
147: 
Nette Framework 2.0beta1 API API documentation generated by ApiGen 2.3.0