mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
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d25aa2a4cb
git-svn-id: https://svn.cakephp.org/repo/branches/1.2.x.x@4456 3807eeeb-6ff5-0310-8944-8be069107fe0
717 lines
19 KiB
PHP
717 lines
19 KiB
PHP
<?php
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/* SVN FILE: $Id$ */
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/**
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* Parses the request URL into controller, action, and parameters.
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*
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* Long description for file
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*
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* PHP versions 4 and 5
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*
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* CakePHP(tm) : Rapid Development Framework <http://www.cakephp.org/>
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* Copyright 2005-2007, Cake Software Foundation, Inc.
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* 1785 E. Sahara Avenue, Suite 490-204
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* Las Vegas, Nevada 89104
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @filesource
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* @copyright Copyright 2005-2007, Cake Software Foundation, Inc.
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* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project
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* @package cake
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* @subpackage cake.cake.libs
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* @since CakePHP(tm) v 0.2.9
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* @version $Revision$
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* @modifiedby $LastChangedBy$
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* @lastmodified $Date$
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* @license http://www.opensource.org/licenses/mit-license.php The MIT License
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*/
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/**
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* Included libraries.
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*
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*/
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if (!class_exists('Object')) {
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uses ('object');
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}
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/**
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* Parses the request URL into controller, action, and parameters.
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*
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* @package cake
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* @subpackage cake.cake.libs
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*/
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uses('overloadable');
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class Router extends Overloadable {
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/**
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* Array of routes
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*
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* @var array
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*/
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var $routes = array();
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/**
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* CAKE_ADMIN route
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*
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* @var array
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*/
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var $__admin = null;
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/**
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* Directive for Router to parse out file extensions for mapping to Content-types.
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*
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* @var boolean
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*/
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var $__parseExtensions = false;
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/**
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* List of valid extensions to parse from a URL. If null, any extension is allowed.
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*
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* @var array
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*/
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var $__validExtensions = null;
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/**
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* 'Constant' regular expression definitions for named route elements
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*
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* @var array
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*/
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var $__named = array(
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'Action' => 'index|show|list|add|create|edit|update|remove|del|delete|new|view|item',
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'Year' => '[12][0-9]{3}',
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'Month' => '(0[1-9]|1[012])',
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'Day' => '(0[1-9]|[12][0-9]|3[01])',
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'ID' => '[0-9]+'
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);
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/**
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* The route matching the URL of the current request
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*
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* @var array
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*/
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var $__currentRoute = array();
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/**
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* Maintains the parameter stack for the current request
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*
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* @var array
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*/
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var $__params = array();
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/**
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* Maintains the path stack for the current request
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*
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* @var array
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*/
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var $__paths = array();
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/**
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* Initialize the Router object
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*
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*/
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function __construct() {
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if (defined('CAKE_ADMIN')) {
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$admin = CAKE_ADMIN;
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if (!empty($admin)) {
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$this->__admin = array(
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'/:' . $admin . '/:controller/:action/*',
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'/^(?:\/(?:(' . $admin . ')(?:\\/([a-zA-Z0-9_\\-\\.\\;\\:]+)(?:\\/([a-zA-Z0-9_\\-\\.\\;\\:]+)(?:[\\/\\?](.*))?)?)?))[\/]*$/',
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array($admin, 'controller', 'action'), array()
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);
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}
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}
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}
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/**
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* Gets a reference to the Router object instance
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*
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* @return object
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*/
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function &getInstance() {
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static $instance = array();
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if (!isset($instance[0]) || !$instance[0]) {
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$instance[0] =& new Router();
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}
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return $instance[0];
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}
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/**
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* Gets the named route elements for use in app/config/routes.php
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*
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* @return array
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*/
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function getNamedExpressions() {
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$_this =& Router::getInstance();
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return $_this->__named;
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}
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/**
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* TODO: Better description. Returns this object's routes array. Returns false if there are no routes available.
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*
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* @param string $route An empty string, or a route string "/"
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* @param array $default NULL or an array describing the default route
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* @param array $params An array matching the named elements in the route to regular expressions which that element should match.
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* @see routes
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* @return array Array of routes
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*/
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function connect($route, $default = array(), $params = array()) {
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$_this =& Router::getInstance();
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$parsed = $names = array();
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if (defined('CAKE_ADMIN') && $default == null) {
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if ($route == CAKE_ADMIN) {
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$_this->routes[] = $_this->__admin;
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$_this->__admin = null;
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}
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}
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if (empty($default['plugin'])) {
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$default['plugin'] = null;
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}
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if (empty($default['controller'])) {
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$default['controller'] = null;
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}
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if (!empty($default) && empty($default['action'])) {
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$default['action'] = 'index';
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}
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$r = null;
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if (($route == '') || ($route == '/')) {
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$regexp = '/^[\/]*$/';
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$_this->routes[] = array($route, $regexp, array(), $default, array());
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} else {
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$elements = array();
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foreach(explode('/', $route) as $element) {
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if (trim($element)) {
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$elements[] = $element;
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}
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}
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if (!count($elements)) {
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return false;
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}
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foreach($elements as $element) {
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$q = null;
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if (preg_match('/^:(.+)$/', $element, $r)) {
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if (isset($params[$r[1]])) {
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if (array_key_exists($r[1], $default)) {
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$q = '?';
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}
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$parsed[] = '(?:\/(' . $params[$r[1]] . '))' . $q;
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} else {
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$parsed[] = '(?:\/([^\/]+))?';
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}
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$names[] = $r[1];
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} elseif(preg_match('/^\*$/', $element, $r)) {
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$parsed[] = '(?:\/(.*))?';
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} else {
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$parsed[] = '/' . $element;
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}
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}
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$regexp = '#^' . join('', $parsed) . '[\/]*$#';
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$_this->routes[] = array($route, $regexp, $names, $default, $params);
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}
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return $_this->routes;
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}
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/**
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* Parses given URL and returns an array of controllers, action and parameters
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* taken from that URL.
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*
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* @param string $url URL to be parsed
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* @return array
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*/
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function parse($url) {
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$_this =& Router::getInstance();
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if ($url && ('/' != $url[0])) {
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if (!defined('SERVER_IIS')) {
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$url = '/' . $url;
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}
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}
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$out = array();
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$r = null;
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$default_route = array(
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'/:controller/:action/*',
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'/^(?:\/(?:([a-zA-Z0-9_\\-\\.\\;\\:]+)(?:\\/([a-zA-Z0-9_\\-\\.\\;\\:]+)(?:[\\/\\?](.*))?)?))[\\/]*$/',
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array('controller', 'action'), array()
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);
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if (defined('CAKE_ADMIN') && $_this->__admin != null) {
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$_this->routes[] = $_this->__admin;
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$_this->__admin = null;
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}
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$_this->connect('/bare/:controller/:action/*', array('bare' => '1'));
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$_this->connect('/ajax/:controller/:action/*', array('bare' => '1'));
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if (defined('WEBSERVICES') && WEBSERVICES == 'on') {
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$_this->connect('/rest/:controller/:action/*', array('webservices' => 'Rest'));
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$_this->connect('/rss/:controller/:action/*', array('webservices' => 'Rss'));
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$_this->connect('/soap/:controller/:action/*', array('webservices' => 'Soap'));
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$_this->connect('/xml/:controller/:action/*', array('webservices' => 'Xml'));
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$_this->connect('/xmlrpc/:controller/:action/*', array('webservices' => 'XmlRpc'));
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}
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$_this->routes[] = $default_route;
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$ext = array();
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if (strpos($url, '?') !== false) {
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$url = substr($url, 0, strpos($url, '?'));
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}
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if ($_this->__parseExtensions) {
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if(preg_match('/\.[0-9a-zA-Z]*$/', $url, $match) == 1) {
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$match = substr($match[0], 1);
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if(empty($_this->__validExtensions)) {
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$url = substr($url, 0, strpos($url, '.' . $match));
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$ext = $match;
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} else {
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foreach($_this->__validExtensions AS $name) {
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if(strcasecmp($name, $match) === 0) {
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$url = substr($url, 0, strpos($url, '.' . $name));
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$ext = $match;
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}
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}
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}
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}
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}
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foreach($_this->routes as $route) {
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list($route, $regexp, $names, $defaults) = $route;
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if (preg_match($regexp, $url, $r)) {
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$_this->__currentRoute[] = $route;
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// remove the first element, which is the url
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array_shift ($r);
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// hack, pre-fill the default route names
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foreach($names as $name) {
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$out[$name] = null;
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}
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if (is_array($defaults)) {
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foreach($defaults as $name => $value) {
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if (preg_match('#[a-zA-Z_\-]#i', $name)) {
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$out[$name] = $value;
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} else {
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$out['pass'][] = $value;
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}
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}
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}
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foreach($r as $key => $found) {
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// if $found is a named url element (i.e. ':action')
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if (isset($names[$key]) && !empty($found)) {
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$out[$names[$key]] = $found;
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} else if (isset($names[$key]) && empty($names[$key]) && empty($out[$names[$key]])){
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break; //leave the default values;
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} else {
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// unnamed elements go in as 'pass'
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$out['pass'] = explode('/', $found);
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}
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}
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break;
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}
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}
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if (!empty($ext)) {
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$out['url']['ext'] = $ext;
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}
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return $out;
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}
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/**
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* Takes parameter and path information back from the Dispatcher
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*
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* @param array
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* @return void
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*/
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function setParams($params) {
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$_this =& Router::getInstance();
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$defaults = array('plugin' => null, 'controller' => null, 'action' => null);
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$params[0] = am($defaults, $params[0]);
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$params[1] = am($defaults, $params[1]);
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list($_this->__params[], $_this->__paths[]) = $params;
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}
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/**
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* Gets parameter information
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*
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* @param boolean $current
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* @return array
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*/
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function getParams($current = false) {
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$_this =& Router::getInstance();
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if ($current) {
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return $_this->__params[count($_this->__params) - 1];
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}
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return $_this->__params[0];
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}
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/**
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* Gets URL parameter by name
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*
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* @param string $name
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* @return string
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*/
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function getParam($name = 'controller') {
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$_this =& Router::getInstance();
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$params = Router::getParams();
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if (isset($params[$name])) {
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return $params[$name];
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}
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return null;
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}
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/**
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* Gets path information
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*
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* @param boolean $current
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* @return array
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*/
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function getPaths($current = false) {
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$_this =& Router::getInstance();
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if ($current) {
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return $_this->__paths[count($_this->__paths) - 1];
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}
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return $_this->__paths[0];
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}
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/**
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* Reloads default Router settings
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*
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* @return void
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*/
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function reload() {
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$_this =& Router::getInstance();
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foreach (get_class_vars('Router') as $key => $val) {
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$_this->{$key} = $val;
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}
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}
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function __notEmpty($var){
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if($var === '0' || !empty($var)){
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return true;
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} else {
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return false;
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}
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}
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/**
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* Finds URL for specified action.
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*
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* Returns an URL pointing to a combination of controller and action. Param
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* $url can be:
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* + Empty - the method will find adress to actuall controller/action.
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* + '/' - the method will find base URL of application.
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* + A combination of controller/action - the method will find url for it.
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*
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* @param mixed $url Cake-relative URL, like "/products/edit/92" or "/presidents/elect/4"
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* or an array specifying any of the following: 'controller', 'action',
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* and/or 'plugin', in addition to named arguments (keyed array elements),
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* and standard URL arguments (indexed array elements)
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* @param boolean $full If true, the full base URL will be prepended to the result
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* @return string Full translated URL with base path.
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*/
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function url($url = null, $full = false) {
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$_this =& Router::getInstance();
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$params = array('plugin'=> null, 'controller'=>null, 'action'=> 'index');
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if(!empty($_this->__params[0])) {
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$params = $_this->__params[0];
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}
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$path = array('base'=> null);
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if(!empty($_this->__paths[0])) {
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$path = $_this->__paths[0];
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}
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$base = $_this->stripPlugin($path['base'], $params['plugin']);
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$extension = $output = $mapped = $q = null;
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if (is_array($url) && !empty($url)) {
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if (isset($url['full_base']) && $url['full_base'] == true) {
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$full = true;
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unset($url['full_base']);
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}
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if (isset($url['?'])) {
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$q = $url['?'];
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unset($url['?']);
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}
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if (!isset($url['action'])) {
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if (!isset($url['controller']) || $params['controller'] == $url['controller']) {
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$url['action'] = $params['action'];
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}
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}
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$url = am(
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array('controller' => $params['controller'], 'plugin' => $params['plugin']),
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$url
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);
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if (isset($url['ext'])) {
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$extension = '.' . $url['ext'];
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}
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if (defined('CAKE_ADMIN') && !isset($url[CAKE_ADMIN]) && isset($params[CAKE_ADMIN])) {
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$url[CAKE_ADMIN] = CAKE_ADMIN;
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$url['action'] = str_replace(CAKE_ADMIN.'_', '', $url['action']);
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} elseif (defined('CAKE_ADMIN') && isset($url[CAKE_ADMIN]) && $url[CAKE_ADMIN] == false) {
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unset($url[CAKE_ADMIN]);
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}
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foreach ($_this->routes as $route) {
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$match = $_this->mapRouteElements($route, $url);
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if ($match !== false) {
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list($output, $url) = $match;
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if ($output{0} == '/') {
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$output = substr($output, 1);
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}
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break;
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}
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}
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$named = $args = array();
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$skip = array('action', 'controller', 'plugin', 'ext', '?');
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if(defined('CAKE_ADMIN')) {
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$skip[] = CAKE_ADMIN;
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}
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$keys = array_values(array_diff(array_keys($url), $skip));
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$count = count($keys);
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for ($i = 0; $i < $count; $i++) {
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if (is_numeric($keys[$i]) || $keys[$i] == 'id') {
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$args[] = $url[$keys[$i]];
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} else if(is_array($path['namedArgs']) && in_array($keys[$i], array_keys($path['namedArgs']))){
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$named[] = array($keys[$i], $url[$keys[$i]]);
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} else if ($match === false) {
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$args[] = $keys[$i] . $path['argSeparator'] .$url[$keys[$i]];
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}
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}
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if ($match === false) {
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if (empty($named) && empty($args) && (!isset($url['action']) || $url['action'] == 'index')) {
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$url['action'] = null;
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}
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}
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if (!empty($path['namedArgs'])) {
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$count = count($named);
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for ($i = 0; $i < $count; $i++) {
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$named[$i] = join($path['argSeparator'], $named[$i]);
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}
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$named = join('/', $named);
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}
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if ($match === false) {
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if(!isset($url['action'])) {
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$url['action'] = null;
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}
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$urlOut = array_filter(array($url['plugin'], $url['controller'], $url['action'], join('/', array_filter($args, array($_this, "__notEmpty"))), $named), array($_this, "__notEmpty"));
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if($url['plugin'] == $url['controller']) {
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array_shift($urlOut);
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}
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if (defined('CAKE_ADMIN') && isset($url[CAKE_ADMIN]) && $url[CAKE_ADMIN]) {
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array_unshift($urlOut, CAKE_ADMIN);
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}
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$output = join('/', $urlOut);
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} else if (!empty($named)) {
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$output .= $named;
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}
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$output = $base . '/' . $output;
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} else {
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if (((strpos($url, '://')) || (strpos($url, 'javascript:') === 0) || (strpos($url, 'mailto:') === 0)) || (isset($url{0}) && $url{0} == '#')) {
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return $url;
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}
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if (empty($url)) {
|
|
return $path['here'];
|
|
} elseif($url{0} == '/') {
|
|
$output = $base . $url;
|
|
} else {
|
|
$output = $base . '/';
|
|
if (defined('CAKE_ADMIN') && isset($params[CAKE_ADMIN])) {
|
|
$output .= CAKE_ADMIN . '/';
|
|
}
|
|
$output .= strtolower($params['controller']) . '/' . $url;
|
|
}
|
|
}
|
|
if ($full) {
|
|
$output = FULL_BASE_URL . $output;
|
|
}
|
|
return $output . $extension . $_this->queryString($q);
|
|
}
|
|
/**
|
|
* Maps a URL array onto a route and returns the string result, or false if no match
|
|
*
|
|
* @param array Route
|
|
* @param array URL
|
|
* @return mixed
|
|
*/
|
|
function mapRouteElements($route, $url) {
|
|
$params = $route[2];
|
|
$defaults = am(array('plugin' => null, 'controller'=> null), $route[3]);
|
|
foreach ($defaults as $key=>$default) {
|
|
if(!array_key_exists($key, $url)) {
|
|
$url[$key] = $default;
|
|
}
|
|
}
|
|
krsort($defaults);
|
|
krsort($url);
|
|
if ($defaults == $url) {
|
|
return array(Router::__mapRoute($route, $url), array());
|
|
} elseif (!empty($params) && !empty($route[3])) {
|
|
if(array_key_exists(0, $url)) {
|
|
return false;
|
|
}
|
|
|
|
$required = array_diff(array_keys($defaults), array_keys($url));
|
|
if(!empty($required)) {
|
|
return false;
|
|
}
|
|
|
|
$filled = array_intersect_key($url, array_combine($params, array_keys($params)));
|
|
$keysFilled = array_keys($filled);
|
|
sort($params);
|
|
sort($keysFilled);
|
|
if ($keysFilled != $params) {
|
|
return false;
|
|
}
|
|
if (!empty($url['plugin']) && $keysFilled === $params) {
|
|
return false;
|
|
}
|
|
} else {
|
|
$required = array_diff(array_keys($defaults), array_keys($url));
|
|
if(empty($required) && $defaults['plugin'] == $url['plugin'] && $defaults['controller'] == $url['controller'] && $defaults['action'] == $url['action']) {
|
|
if(isset($url['0']) && isset($defaults['0']) && ($url['0'] != $defaults['0'])){
|
|
return false;
|
|
}
|
|
return array(Router::__mapRoute($route, $url), $url);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
if($url['controller'] != $route[3]['controller']) {
|
|
return false;
|
|
}
|
|
|
|
if(!empty($route[4])){
|
|
foreach ($route[4] as $key => $reg) {
|
|
if (isset($url[$key]) && !preg_match('/' . $reg . '/', $url[$key])) {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
return array(Router::__mapRoute($route, $url), $url);
|
|
}
|
|
/**
|
|
* Merges URL parameters into a route string
|
|
*
|
|
* @param array Route
|
|
* @param array $params
|
|
* @return string
|
|
*/
|
|
function __mapRoute($route, $params = array()) {
|
|
if (isset($params['pass']) && is_array($params['pass'])) {
|
|
$params['pass'] = implode('/', array_filter($params['pass']));
|
|
} elseif (!isset($params['pass'])) {
|
|
$params['pass'] = '';
|
|
}
|
|
|
|
if (strpos($route[0], '*')) {
|
|
$out = str_replace('*', $params['pass'], $route[0]);
|
|
} else {
|
|
$out = $route[0] . $params['pass'];
|
|
}
|
|
|
|
foreach ($route[2] as $key) {
|
|
$out = str_replace(':' . $key, $params[$key], $out);
|
|
unset($params[$key]);
|
|
}
|
|
// Do something else here for leftover params
|
|
$skip = array('action', 'controller', 'plugin', 'ext', '?', 'pass');
|
|
if(defined('CAKE_ADMIN')) {
|
|
$skip[] = CAKE_ADMIN;
|
|
}
|
|
$args = array();
|
|
$keys = array_filter(array_values(array_diff(array_keys($params), $skip)));
|
|
|
|
$count = count($keys);
|
|
for ($i = 0; $i < $count; $i++) {
|
|
$args[] = $keys[$i] . ':' .$params[$keys[$i]];
|
|
}
|
|
|
|
if(isset($params['0']) && !isset($route['3']['0'])){
|
|
return $out . $params['0'] . join('/', array_filter($args));
|
|
}
|
|
return $out . join('/', array_filter($args));
|
|
}
|
|
/**
|
|
* Generates a well-formed querystring from $q
|
|
*
|
|
* @param mixed Querystring
|
|
* @param array Extra querystring parameters
|
|
* @return array
|
|
*/
|
|
function queryString($q, $extra = array()) {
|
|
if (empty($q)) {
|
|
return null;
|
|
}
|
|
return '?' . $q;
|
|
}
|
|
/**
|
|
* Returns the route matching the current request URL
|
|
*
|
|
* @return array
|
|
*/
|
|
function requestRoute() {
|
|
$_this =& Router::getInstance();
|
|
return $_this->__currentRoute[0];
|
|
}
|
|
/**
|
|
* Returns the route matching the current request (useful for requestAction traces)
|
|
*
|
|
* @return array
|
|
*/
|
|
function currentRoute() {
|
|
$_this =& Router::getInstance();
|
|
return $_this->__currentRoute[count($_this->__currentRoute) - 1];
|
|
}
|
|
/**
|
|
* removes the plugin name from the base url
|
|
*
|
|
* @param string $base
|
|
* @param string $plugin
|
|
* @return base url with plugin name removed if present
|
|
*/
|
|
function stripPlugin($base, $plugin) {
|
|
if ($plugin != null) {
|
|
$base = preg_replace('/' . $plugin . '/', '', $base);
|
|
$base = str_replace('//', '', $base);
|
|
$pos1 = strrpos($base, '/');
|
|
$char = strlen($base) - 1;
|
|
|
|
if ($pos1 == $char) {
|
|
$base = substr($base, 0, $char);
|
|
}
|
|
}
|
|
return $base;
|
|
}
|
|
/**
|
|
* Instructs the router to parse out file extensions from the URL. For example,
|
|
* http://example.com/posts.rss would yield an file extension of "rss".
|
|
* The file extension itself is made available in the controller as
|
|
* $this->params['url']['ext'], and is used by the RequestHandler component to
|
|
* automatically switch to alternate layouts and templates, and load helpers
|
|
* corresponding to the given content, i.e. RssHelper.
|
|
*
|
|
* An array of valid extension can be passed to this method. $extensions = array('rss', 'xml')
|
|
* If null is passed anything after a . in the url will be considered an extension
|
|
*
|
|
* @param string $ext
|
|
* @param string $ext
|
|
* @param string $ext
|
|
* @param string ...
|
|
* @return void
|
|
*/
|
|
function parseExtensions() {
|
|
$_this =& Router::getInstance();
|
|
$_this->__parseExtensions = true;
|
|
if (func_num_args() > 0) {
|
|
$_this->__validExtensions = func_get_args();
|
|
}
|
|
}
|
|
}
|
|
|
|
?>
|