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  1: <?php
  2: 
  3: /**
  4:  * This file is part of the Nette Framework (https://nette.org)
  5:  * Copyright (c) 2004 David Grudl (http://davidgrudl.com)
  6:  */
  7: 
  8: namespace Nette\Application\Routers;
  9: 
 10: use Nette,
 11:     Nette\Application;
 12: 
 13: 
 14: /**
 15:  * The bidirectional route for trivial routing via query parameters.
 16:  *
 17:  * @author     David Grudl
 18:  *
 19:  * @property-read array $defaults
 20:  * @property-read int $flags
 21:  */
 22: class SimpleRouter extends Nette\Object implements Application\IRouter
 23: {
 24:     const PRESENTER_KEY = 'presenter';
 25:     const MODULE_KEY = 'module';
 26: 
 27:     /** @var string */
 28:     private $module = '';
 29: 
 30:     /** @var array */
 31:     private $defaults;
 32: 
 33:     /** @var int */
 34:     private $flags;
 35: 
 36: 
 37:     /**
 38:      * @param  array   default values
 39:      * @param  int     flags
 40:      */
 41:     public function __construct($defaults = array(), $flags = 0)
 42:     {
 43:         if (is_string($defaults)) {
 44:             $a = strrpos($defaults, ':');
 45:             if (!$a) {
 46:                 throw new Nette\InvalidArgumentException("Argument must be array or string in format Presenter:action, '$defaults' given.");
 47:             }
 48:             $defaults = array(
 49:                 self::PRESENTER_KEY => substr($defaults, 0, $a),
 50:                 'action' => $a === strlen($defaults) - 1 ? Application\UI\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:      * Maps HTTP request to a Request object.
 66:      * @return Nette\Application\Request|NULL
 67:      */
 68:     public function match(Nette\Http\IRequest $httpRequest)
 69:     {
 70:         if ($httpRequest->getUrl()->getPathInfo() !== '') {
 71:             return NULL;
 72:         }
 73:         // combine with precedence: get, (post,) defaults
 74:         $params = $httpRequest->getQuery();
 75:         $params += $this->defaults;
 76: 
 77:         if (!isset($params[self::PRESENTER_KEY]) || !is_string($params[self::PRESENTER_KEY])) {
 78:             return NULL;
 79:         }
 80: 
 81:         $presenter = $this->module . $params[self::PRESENTER_KEY];
 82:         unset($params[self::PRESENTER_KEY]);
 83: 
 84:         return new Application\Request(
 85:             $presenter,
 86:             $httpRequest->getMethod(),
 87:             $params,
 88:             $httpRequest->getPost(),
 89:             $httpRequest->getFiles(),
 90:             array(Application\Request::SECURED => $httpRequest->isSecured())
 91:         );
 92:     }
 93: 
 94: 
 95:     /**
 96:      * Constructs absolute URL from Request object.
 97:      * @return string|NULL
 98:      */
 99:     public function constructUrl(Application\Request $appRequest, Nette\Http\Url $refUrl)
100:     {
101:         if ($this->flags & self::ONE_WAY) {
102:             return NULL;
103:         }
104:         $params = $appRequest->getParameters();
105: 
106:         // presenter name
107:         $presenter = $appRequest->getPresenterName();
108:         if (strncasecmp($presenter, $this->module, strlen($this->module)) === 0) {
109:             $params[self::PRESENTER_KEY] = substr($presenter, strlen($this->module));
110:         } else {
111:             return NULL;
112:         }
113: 
114:         // remove default values; NULL values are retain
115:         foreach ($this->defaults as $key => $value) {
116:             if (isset($params[$key]) && $params[$key] == $value) { // intentionally ==
117:                 unset($params[$key]);
118:             }
119:         }
120: 
121:         $url = ($this->flags & self::SECURED ? 'https://' : 'http://') . $refUrl->getAuthority() . $refUrl->getPath();
122:         $sep = ini_get('arg_separator.input');
123:         $query = http_build_query($params, '', $sep ? $sep[0] : '&');
124:         if ($query != '') { // intentionally ==
125:             $url .= '?' . $query;
126:         }
127:         return $url;
128:     }
129: 
130: 
131:     /**
132:      * Returns default values.
133:      * @return array
134:      */
135:     public function getDefaults()
136:     {
137:         return $this->defaults;
138:     }
139: 
140: 
141:     /**
142:      * Returns flags.
143:      * @return int
144:      */
145:     public function getFlags()
146:     {
147:         return $this->flags;
148:     }
149: 
150: }
151: 
Nette 2.0 API documentation generated by ApiGen 2.8.0