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Classes

  • NCliRouter
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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:      * @return NPresenterRequest|NULL
 71:      */
 72:     public function match(IHttpRequest $httpRequest)
 73:     {
 74:         if ($httpRequest->getUrl()->getPathInfo() !== '') {
 75:             return NULL;
 76:         }
 77:         // combine with precedence: get, (post,) defaults
 78:         $params = $httpRequest->getQuery();
 79:         $params += $this->defaults;
 80: 
 81:         if (!isset($params[self::PRESENTER_KEY])) {
 82:             throw new InvalidStateException('Missing presenter.');
 83:         }
 84: 
 85:         $presenter = $this->module . $params[self::PRESENTER_KEY];
 86:         unset($params[self::PRESENTER_KEY]);
 87: 
 88:         return new NPresenterRequest(
 89:             $presenter,
 90:             $httpRequest->getMethod(),
 91:             $params,
 92:             $httpRequest->getPost(),
 93:             $httpRequest->getFiles(),
 94:             array(NPresenterRequest::SECURED => $httpRequest->isSecured())
 95:         );
 96:     }
 97: 
 98: 
 99: 
100:     /**
101:      * Constructs absolute URL from Request object.
102:      * @return string|NULL
103:      */
104:     public function constructUrl(NPresenterRequest $appRequest, NUrl $refUrl)
105:     {
106:         if ($this->flags & self::ONE_WAY) {
107:             return NULL;
108:         }
109:         $params = $appRequest->getParameters();
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: 
148:     /**
149:      * Returns flags.
150:      * @return int
151:      */
152:     public function getFlags()
153:     {
154:         return $this->flags;
155:     }
156: 
157: }
158: 
Nette Framework 2.0.7 (for PHP 5.2, prefixed) API API documentation generated by ApiGen 2.8.0