cakephp2-php8/cake/dispatcher.php
phpnut 2c99d184f2 reverting changes
git-svn-id: https://svn.cakephp.org/repo/trunk/cake@1059 3807eeeb-6ff5-0310-8944-8be069107fe0
2005-10-03 21:16:04 +00:00

341 lines
No EOL
9.3 KiB
PHP

<?php
/* SVN FILE: $Id$ */
/**
* Dispatcher takes the URL information, parses it for paramters and
* tells the involved controllers what to do.
*
* This is the heart of Cake's operation.
*
* PHP versions 4 and 5
*
* CakePHP : Rapid Development Framework <http://www.cakephp.org/>
* Copyright (c) 2005, CakePHP Authors/Developers
*
* Author(s): Michal Tatarynowicz aka Pies <tatarynowicz@gmail.com>
* Larry E. Masters aka PhpNut <nut@phpnut.com>
* Kamil Dzielinski aka Brego <brego.dk@gmail.com>
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @filesource
* @author CakePHP Authors/Developers
* @copyright Copyright (c) 2005, CakePHP Authors/Developers
* @link https://trac.cakephp.org/wiki/Authors Authors/Developers
* @package cake
* @subpackage cake.libs
* @since CakePHP v 0.2.9
* @version $Revision$
* @modifiedby $LastChangedBy$
* @lastmodified $Date$
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
/**
* Add Description
*/
uses('error_messages', 'object', 'router', '/controller/controller', '/controller/scaffold');
/**
* Short description for class.
*
* Dispatches the request, creating appropriate models and controllers.
*
* @package cake
* @subpackage cake.libs
* @since CakePHP v 0.2.9
*/
class Dispatcher extends Object
{
/**
* Base URL
* @var string
*/
var $base = false;
/**
* Constructor.
*/
function __construct()
{
$this->base = $this->baseUrl();
parent::__construct();
}
/**
* Dispatches and invokes given URL, handing over control to the involved controllers, and then renders the results (if autoRender is set).
*
* If no controller of given name can be found, invoke() shows error messages in
* the form of Missing Controllers information. It does the same with Actions (methods of Controllers are called
* Actions).
*
* @param string $url URL information to work on.
* @return boolean Success
*/
function dispatch($url, $additionalParams=array())
{
$params = array_merge($this->parseParams($url), $additionalParams);
$missingController = false;
$missingAction = false;
$missingView = false;
if(!in_array('render', array_keys($params)))
{
$params['render'] = 0;
}
if (empty($params['controller']))
{
$missingController = true;
}
else
{
$ctrlName = Inflector::camelize($params['controller']);
$ctrlClass = $ctrlName.'Controller';
if (!loadController($ctrlName) || !class_exists($ctrlClass))
{
$missingController = true;
}
}
if ($missingController)
{
$controller =& new AppController();
$params['action'] = 'missingController';
$params['controller'] = Inflector::camelize($params['controller']."Controller");
$controller->missingController = $params['controller'];
$controller->webroot = $this->webroot;
return $this->_invoke($controller, $params );
}
else
{
$controller =& new $ctrlClass($this);
}
$classMethods = get_class_methods($controller);
$classVars = get_object_vars($controller);
if (empty($params['action']))
{
$params['action'] = 'index';
}
if(!in_array($params['action'], $classMethods))
{
$missingAction = true;
}
$controller->base = $this->base;
$controller->here = $this->base.'/'.$url;
$controller->webroot = $this->webroot;
$controller->params = $params;
$controller->action = $params['action'];
$controller->data = empty($params['data'])? null: $params['data'];
$controller->passed_args = empty($params['pass'])? null: $params['pass'];
$controller->viewpath = Inflector::underscore($ctrlName);
$controller->autoLayout = !$params['bare'];
$controller->autoRender = !$params['render'];
if((in_array('scaffold', array_keys($classVars))) && ($missingAction === true))
{
$scaffolding =& new Scaffold($controller, $params);
exit;
}
$controller->constructClasses();
if ($missingAction)
{
$controller->missingAction = $params['action'];
$params['action'] = 'missingAction';
}
return $this->_invoke($controller, $params );
}
/**
* Enter description here...
*
* @param unknown_type $controller
* @param unknown_type $params
* @return unknown
*/
function _invoke (&$controller, $params )
{
$output = call_user_func_array(array(&$controller, $params['action']), empty($params['pass'])? null: $params['pass']);
if ($controller->autoRender)
{
$controller->render();
exit;
}
return $output;
}
/**
* Returns array of GET and POST parameters. GET parameters are taken from given URL.
*
* @param string $from_url URL to mine for parameter information.
* @return array Parameters found in POST and GET.
*/
function parseParams($from_url)
{
// load routes config
$Route = new Router();
include CONFIGS.'routes.php';
$params = $Route->parse ($from_url);
// add submitted form data
$params['form'] = $_POST;
if (isset($_POST['data']))
{
$params['data'] = (ini_get('magic_quotes_gpc') == 1)?
$this->stripslashes_deep($_POST['data']) : $_POST['data'];
}
if (isset($_GET))
{
$params['url'] = $this->urldecode_deep($_GET);
$params['url'] = (ini_get('magic_quotes_gpc') == 1)?
$this->stripslashes_deep($params['url']) : $params['url'];
}
foreach ($_FILES as $name => $data)
{
$params['form'][$name] = $data;
}
$params['bare'] = empty($params['ajax'])? (empty($params['bare'])? 0: 1): 1;
return $params;
}
/**
* Recursively strips slashes.
*
*/
function stripslashes_deep($val)
{
return (is_array($val)) ?
array_map(array('Dispatcher','stripslashes_deep'), $val) : stripslashes($val);
}
/**
* Recursively performs urldecode.
*
*/
function urldecode_deep($val)
{
return (is_array($val)) ?
array_map(array('Dispatcher','urldecode_deep'), $val) : urldecode($val);
}
/**
* Returns a base URL.
*
* @return string Base URL
*/
function baseUrl()
{
$base = null;
if (defined('BASE_URL'))
{
$base = BASE_URL;
}
$docRoot = $_SERVER['DOCUMENT_ROOT'];
$scriptName = $_SERVER['PHP_SELF'];
// if document root ends with 'webroot', it's probably correctly set
$r = null;
if (preg_match('/\\/'.APP_DIR.'\/'.WEBROOT_DIR.'(\/)?$/i', $docRoot))
{
$this->webroot = DS;
//return preg_match('/\\/index.php(\/)?$/i', $scriptName, $r)? $base.$r[1]: $base;
if (preg_match('/\\/index.php(\/)?$/i', $scriptName, $r))
{
if(!empty($r[1]))
{
return $base.$r[1];
}
else
{
return $base;
}
}
else
{
return $base;
}
}
else
{
if(empty($base)){
$isDir = explode('/', setUri());
$first = $isDir[1];
$webPath[] = DS.$first.DS;
foreach ($isDir as $dirName)
{
if(!empty($dirName) && is_dir($docRoot.$first.DS.$dirName))
{
$webPath[] = $dirName.DS;
}
}
$webroot = implode('', $webPath);
$base = substr($webroot, 0, -1);
}
else
{
$webroot =setUri();
}
$this->webroot = preg_replace('/(?:'.APP_DIR.'(.*)|index\\.php(.*))/i', '', $webroot).APP_DIR.DS.WEBROOT_DIR.DS;
// document root is probably not set to Cake 'webroot' dir
if (preg_match('/\\/index.php(\/)?$/i', $scriptName, $r))
{
if(!empty($r[1]))
{
return $base.$r[1];
}
else
{
return $base;
}
}
else
{
return $base;
}
}
}
/**
* Displays an error page (e.g. 404 Not found).
*
* @param int $code Error code (e.g. 404)
* @param string $name Name of the error message (e.g. Not found)
* @param string $message
* @return unknown
*/
function error ($code, $name, $message)
{
$controller = new Controller ($this);
$controller->base = $this->base;
$controller->autoLayout = false;
$controller->set(array('code'=>$code, 'name'=>$name, 'message'=>$message));
return $controller->render('layouts/error');
}
/**
* Convenience method to display a 404 page.
*
* @param string $url URL that spawned this message, to be included in the output.
* @param string $message Message text for the 404 page.
*/
function error404 ($url, $message)
{
$this->error('404', 'Not found', sprintf(ERROR_404, $url, $message));
}
}
?>