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Classes

  • NCliRouter
  • NRoute
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  • NSimpleRouter
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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 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:  *
 20:  * @property-read array $defaults
 21:  * @property-read int $flags
 22:  * @package Nette\Application\Routers
 23:  */
 24: class NSimpleRouter extends NObject implements 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 (!$a) {
 49:                 throw new InvalidArgumentException("Argument must be array or string in format Presenter:action, '$defaults' given.");
 50:             }
 51:             $defaults = array(
 52:                 self::PRESENTER_KEY => substr($defaults, 0, $a),
 53:                 'action' => $a === strlen($defaults) - 1 ? NPresenter::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  IHttpRequest
 71:      * @return NPresenterRequest|NULL
 72:      */
 73:     public function match(IHttpRequest $httpRequest)
 74:     {
 75:         if ($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 InvalidStateException('Missing presenter.');
 84:         }
 85: 
 86:         $presenter = $this->module . $params[self::PRESENTER_KEY];
 87:         unset($params[self::PRESENTER_KEY]);
 88: 
 89:         return new NPresenterRequest(
 90:             $presenter,
 91:             $httpRequest->getMethod(),
 92:             $params,
 93:             $httpRequest->getPost(),
 94:             $httpRequest->getFiles(),
 95:             array(NPresenterRequest::SECURED => $httpRequest->isSecured())
 96:         );
 97:     }
 98: 
 99: 
100: 
101:     /**
102:      * Constructs absolute URL from Request object.
103:      * @param  NPresenterRequest
104:      * @param  NUrl
105:      * @return string|NULL
106:      */
107:     public function constructUrl(NPresenterRequest $appRequest, NUrl $refUrl)
108:     {
109:         if ($this->flags & self::ONE_WAY) {
110:             return NULL;
111:         }
112:         $params = $appRequest->getParameters();
113: 
114:         // presenter name
115:         $presenter = $appRequest->getPresenterName();
116:         if (strncasecmp($presenter, $this->module, strlen($this->module)) === 0) {
117:             $params[self::PRESENTER_KEY] = substr($presenter, strlen($this->module));
118:         } else {
119:             return NULL;
120:         }
121: 
122:         // remove default values; NULL values are retain
123:         foreach ($this->defaults as $key => $value) {
124:             if (isset($params[$key]) && $params[$key] == $value) { // intentionally ==
125:                 unset($params[$key]);
126:             }
127:         }
128: 
129:         $url = ($this->flags & self::SECURED ? 'https://' : 'http://') . $refUrl->getAuthority() . $refUrl->getPath();
130:         $sep = ini_get('arg_separator.input');
131:         $query = http_build_query($params, '', $sep ? $sep[0] : '&');
132:         if ($query != '') { // intentionally ==
133:             $url .= '?' . $query;
134:         }
135:         return $url;
136:     }
137: 
138: 
139: 
140:     /**
141:      * Returns default values.
142:      * @return array
143:      */
144:     public function getDefaults()
145:     {
146:         return $this->defaults;
147:     }
148: 
149: 
150: 
151:     /**
152:      * Returns flags.
153:      * @return int
154:      */
155:     public function getFlags()
156:     {
157:         return $this->flags;
158:     }
159: 
160: }
161: 
Nette Framework 2.0.0 (for PHP 5.2, prefixed) API API documentation generated by ApiGen 2.7.0