Blame | Letzte Änderung | Log anzeigen | RSS feed
<?php/* SVN FILE: $Id: router.php 8004 2009-01-16 20:15:21Z gwoo $ *//*** Parses the request URL into controller, action, and parameters.** Long description for file** PHP versions 4 and 5** CakePHP(tm) : Rapid Development Framework (http://www.cakephp.org)* Copyright 2005-2008, Cake Software Foundation, Inc. (http://www.cakefoundation.org)** Licensed under The MIT License* Redistributions of files must retain the above copyright notice.** @filesource* @copyright Copyright 2005-2008, Cake Software Foundation, Inc. (http://www.cakefoundation.org)* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP(tm) Project* @package cake* @subpackage cake.cake.libs* @since CakePHP(tm) v 0.2.9* @version $Revision: 8004 $* @modifiedby $LastChangedBy: gwoo $* @lastmodified $Date: 2009-01-16 12:15:21 -0800 (Fri, 16 Jan 2009) $* @license http://www.opensource.org/licenses/mit-license.php The MIT License*//*** Included libraries.**/if (!class_exists('Object')) {App::import('Core', 'Object');}/*** Parses the request URL into controller, action, and parameters.** @package cake* @subpackage cake.cake.libs*/class Router extends Object {/*** Array of routes** @var array* @access public*/var $routes = array();/*** Caches admin setting from Configure class** @var array* @access private*/var $__admin = null;/*** List of action prefixes used in connected routes** @var array* @access private*/var $__prefixes = array();/*** Directive for Router to parse out file extensions for mapping to Content-types.** @var boolean* @access private*/var $__parseExtensions = false;/*** List of valid extensions to parse from a URL. If null, any extension is allowed.** @var array* @access private*/var $__validExtensions = null;/*** 'Constant' regular expression definitions for named route elements** @var array* @access private*/var $__named = array('Action' => 'index|show|add|create|edit|update|remove|del|delete|view|item','Year' => '[12][0-9]{3}','Month' => '0[1-9]|1[012]','Day' => '0[1-9]|[12][0-9]|3[01]','ID' => '[0-9]+','UUID' => '[A-Fa-f0-9]{8}-[A-Fa-f0-9]{4}-[A-Fa-f0-9]{4}-[A-Fa-f0-9]{4}-[A-Fa-f0-9]{12}');/*** Stores all information necessary to decide what named arguments are parsed under what conditions.** @var string* @access public*/var $named = array('default' => array('page', 'fields', 'order', 'limit', 'recursive', 'sort', 'direction', 'step'),'greedy' => true,'separator' => ':','rules' => false,);/*** The route matching the URL of the current request** @var array* @access private*/var $__currentRoute = array();/*** HTTP header shortcut map. Used for evaluating header-based route expressions.** @var array* @access private*/var $__headerMap = array('type' => 'content_type','method' => 'request_method','server' => 'server_name');/*** Default HTTP request method => controller action map.** @var array* @access private*/var $__resourceMap = array(array('action' => 'index', 'method' => 'GET', 'id' => false),array('action' => 'view', 'method' => 'GET', 'id' => true),array('action' => 'add', 'method' => 'POST', 'id' => false),array('action' => 'edit', 'method' => 'PUT', 'id' => true),array('action' => 'delete', 'method' => 'DELETE', 'id' => true),array('action' => 'edit', 'method' => 'POST', 'id' => true));/*** List of resource-mapped controllers** @var array* @access private*/var $__resourceMapped = array();/*** Maintains the parameter stack for the current request** @var array* @access private*/var $__params = array();/*** Maintains the path stack for the current request** @var array* @access private*/var $__paths = array();/*** Keeps Router state to determine if default routes have already been connected** @var boolean* @access private*/var $__defaultsMapped = false;/*** Gets a reference to the Router object instance** @return object Object instance* @access public* @static*/function &getInstance() {static $instance = array();if (!$instance) {$instance[0] =& new Router();$instance[0]->__admin = Configure::read('Routing.admin');}return $instance[0];}/*** Gets the named route elements for use in app/config/routes.php** @return array Named route elements* @access public* @see Router::$__named* @static*/function getNamedExpressions() {$_this =& Router::getInstance();return $_this->__named;}/*** Returns this object's routes array. Returns false if there are no routes available.** @param string $route An empty string, or a route string "/"* @param array $default NULL or an array describing the default route* @param array $params An array matching the named elements in the route to regular expressions which that element should match.* @see routes* @return array Array of routes* @access public* @static*/function connect($route, $default = array(), $params = array()) {$_this =& Router::getInstance();if (!isset($default['action'])) {$default['action'] = 'index';}if (isset($default[$_this->__admin])) {$default['prefix'] = $_this->__admin;}if (isset($default['prefix'])) {$_this->__prefixes[] = $default['prefix'];$_this->__prefixes = array_keys(array_flip($_this->__prefixes));}$_this->routes[] = array($route, $default, $params);return $_this->routes;}/***Specifies what named parameters CakePHP should be parsing. The most common setups are:** Do not parse any named parameters:* Router::connectNamed(false);** Parse only default parameters used for CakePHP's pagination:* Router::connectNamed(false, array('default' => true));** Parse only the page parameter if its value is a number:* Router::connectNamed(array('page' => '[\d]+'), array('default' => false, 'greedy' => false));** Parse only the page parameter no mater what.* Router::connectNamed(array('page'), array('default' => false, 'greedy' => false));** Parse only the page parameter if the current action is 'index'.* Router::connectNamed(array('page' => array('action' => 'index')), array('default' => false, 'greedy' => false));** Parse only the page parameter if the current action is 'index' and the controller is 'pages'.* Router::connectNamed(array('page' => array('action' => 'index', 'controller' => 'pages')), array('default' => false, 'greedy' => false));** @param array $named A list of named parameters. Key value pairs are accepted where values are either regex strings to match, or arrays as seen above.* @param array $options Allows to control all settings: separator, greedy, reset, default* @return array* @access public* @static*/function connectNamed($named, $options = array()) {$_this =& Router::getInstance();if (isset($options['argSeparator'])) {$_this->named['separator'] = $options['argSeparator'];unset($options['argSeparator']);}if ($named === true || $named === false) {$options = array_merge(array('default' => $named, 'reset' => true, 'greedy' => $named), $options);$named = array();}$options = array_merge(array('default' => false, 'reset' => false, 'greedy' => true), $options);if ($options['reset'] == true || $_this->named['rules'] === false) {$_this->named['rules'] = array();}if ($options['default']) {$named = array_merge($named, $_this->named['default']);}foreach ($named as $key => $val) {if (is_numeric($key)) {$_this->named['rules'][$val] = true;} else {$_this->named['rules'][$key] = $val;}}$_this->named['greedy'] = $options['greedy'];return $_this->named;}/*** Creates REST resource routes for the given controller(s)** @param mixed $controller A controller name or array of controller names (i.e. "Posts" or "ListItems")* @param array $options Options to use when generating REST routes* 'id' - The regular expression fragment to use when matching IDs. By default, matches* integer values and UUIDs.* 'prefix' - URL prefix to use for the generated routes. Defaults to '/'.* @return void* @access public* @static*/function mapResources($controller, $options = array()) {$_this =& Router::getInstance();$options = array_merge(array('prefix' => '/', 'id' => $_this->__named['ID'] . '|' . $_this->__named['UUID']), $options);$prefix = $options['prefix'];foreach ((array)$controller as $ctlName) {$urlName = Inflector::underscore($ctlName);foreach ($_this->__resourceMap as $params) {extract($params);$url = $prefix . $urlName . (($id) ? '/:id' : '');Router::connect($url,array('controller' => $urlName, 'action' => $action, '[method]' => $params['method']),array('id' => $options['id'], 'pass' => array('id')));}$_this->__resourceMapped[] = $urlName;}}/*** Builds a route regular expression** @param string $route An empty string, or a route string "/"* @param array $default NULL or an array describing the default route* @param array $params An array matching the named elements in the route to regular expressions which that element should match.* @return array* @see routes* @access public* @static*/function writeRoute($route, $default, $params) {if (empty($route) || ($route === '/')) {return array('/^[\/]*$/', array());}$names = array();$elements = explode('/', $route);foreach ($elements as $element) {if (empty($element)) {continue;}$q = null;$element = trim($element);$namedParam = strpos($element, ':') !== false;if ($namedParam && preg_match('/^:([^:]+)$/', $element, $r)) {if (isset($params[$r[1]])) {if ($r[1] != 'plugin' && array_key_exists($r[1], $default)) {$q = '?';}$parsed[] = '(?:/(' . $params[$r[1]] . ')' . $q . ')' . $q;} else {$parsed[] = '(?:/([^\/]+))?';}$names[] = $r[1];} elseif ($element === '*') {$parsed[] = '(?:/(.*))?';} else if ($namedParam && preg_match_all('/(?!\\\\):([a-z_0-9]+)/i', $element, $matches)) {$matchCount = count($matches[1]);foreach ($matches[1] as $i => $name) {$pos = strpos($element, ':' . $name);$before = substr($element, 0, $pos);$element = substr($element, $pos + strlen($name) + 1);$after = null;if ($i + 1 === $matchCount && $element) {$after = preg_quote($element);}if ($i === 0) {$before = '/' . $before;}$before = preg_quote($before, '#');if (isset($params[$name])) {if (isset($default[$name]) && $name != 'plugin') {$q = '?';}$parsed[] = '(?:' . $before . '(' . $params[$name] . ')' . $q . $after . ')' . $q;} else {$parsed[] = '(?:' . $before . '([^\/]+)' . $after . ')?';}$names[] = $name;}} else {$parsed[] = '/' . $element;}}return array('#^' . join('', $parsed) . '[\/]*$#', $names);}/*** Returns the list of prefixes used in connected routes** @return array A list of prefixes used in connected routes* @access public* @static*/function prefixes() {$_this =& Router::getInstance();return $_this->__prefixes;}/*** Parses given URL and returns an array of controllers, action and parameters* taken from that URL.** @param string $url URL to be parsed* @return array Parsed elements from URL* @access public* @static*/function parse($url) {$_this =& Router::getInstance();if (!$_this->__defaultsMapped) {$_this->__connectDefaultRoutes();}$out = array('pass' => array(), 'named' => array());$r = $ext = null;if (ini_get('magic_quotes_gpc') === '1') {$url = stripslashes_deep($url);}if ($url && strpos($url, '/') !== 0) {$url = '/' . $url;}if (strpos($url, '?') !== false) {$url = substr($url, 0, strpos($url, '?'));}extract($_this->__parseExtension($url));foreach ($_this->routes as $i => $route) {if (count($route) === 3) {$route = $_this->compile($i);}if (($r = $_this->__matchRoute($route, $url)) !== false) {$_this->__currentRoute[] = $route;list($route, $regexp, $names, $defaults, $params) = $route;$argOptions = array();if (array_key_exists('named', $params)) {$argOptions['named'] = $params['named'];unset($params['named']);}if (array_key_exists('greedy', $params)) {$argOptions['greedy'] = $params['greedy'];unset($params['greedy']);}array_shift($r);foreach ($names as $name) {$out[$name] = null;}if (is_array($defaults)) {foreach ($defaults as $name => $value) {if (preg_match('#[a-zA-Z_\-]#i', $name)) {$out[$name] = $value;} else {$out['pass'][] = $value;}}}foreach ($r as $key => $found) {if (empty($found) && $found != 0) {continue;}if (isset($names[$key])) {$out[$names[$key]] = $_this->stripEscape($found);} elseif (isset($names[$key]) && empty($names[$key]) && empty($out[$names[$key]])) {break;} else {$argOptions['context'] = array('action' => $out['action'], 'controller' => $out['controller']);extract($_this->getArgs($found, $argOptions));$out['pass'] = array_merge($out['pass'], $pass);$out['named'] = $named;}}if (isset($params['pass'])) {for ($j = count($params['pass']) - 1; $j > -1; $j--) {if (isset($out[$params['pass'][$j]])) {array_unshift($out['pass'], $out[$params['pass'][$j]]);}}}break;}}if (!empty($ext)) {$out['url']['ext'] = $ext;}return $out;}/*** Checks to see if the given URL matches the given route** @param array $route* @param string $url* @return mixed Boolean false on failure, otherwise array* @access private*/function __matchRoute($route, $url) {list($route, $regexp, $names, $defaults) = $route;if (!preg_match($regexp, $url, $r)) {return false;} else {foreach ($defaults as $key => $val) {if ($key{0} === '[' && preg_match('/^\[(\w+)\]$/', $key, $header)) {if (isset($this->__headerMap[$header[1]])) {$header = $this->__headerMap[$header[1]];} else {$header = 'http_' . $header[1];}$val = (array)$val;$h = false;foreach ($val as $v) {if (env(strtoupper($header)) === $v) {$h = true;}}if (!$h) {return false;}}}}return $r;}/*** Compiles a route by numeric key and returns the compiled expression, replacing* the existing uncompiled route. Do not call statically.** @param integer $i* @return array Returns an array containing the compiled route* @access public*/function compile($i) {$route = $this->routes[$i];if (!list($pattern, $names) = $this->writeRoute($route[0], $route[1], $route[2])) {unset($this->routes[$i]);return array();}$this->routes[$i] = array($route[0], $pattern, $names,array_merge(array('plugin' => null, 'controller' => null), (array)$route[1]),$route[2]);return $this->routes[$i];}/*** Parses a file extension out of a URL, if Router::parseExtensions() is enabled.** @param string $url* @return array Returns an array containing the altered URL and the parsed extension.* @access private*/function __parseExtension($url) {$ext = null;if ($this->__parseExtensions) {if (preg_match('/\.[0-9a-zA-Z]*$/', $url, $match) === 1) {$match = substr($match[0], 1);if (empty($this->__validExtensions)) {$url = substr($url, 0, strpos($url, '.' . $match));$ext = $match;} else {foreach ($this->__validExtensions as $name) {if (strcasecmp($name, $match) === 0) {$url = substr($url, 0, strpos($url, '.' . $name));$ext = $match;}}}}if (empty($ext)) {$ext = 'html';}}return compact('ext', 'url');}/*** Connects the default, built-in routes, including admin routes, and (deprecated) web services* routes.** @return void* @access private*/function __connectDefaultRoutes() {if ($this->__defaultsMapped) {return;}if ($this->__admin) {$params = array('prefix' => $this->__admin, $this->__admin => true);}if ($plugins = Configure::listObjects('plugin')) {foreach ($plugins as $key => $value) {$plugins[$key] = Inflector::underscore($value);}$match = array('plugin' => implode('|', $plugins));$this->connect('/:plugin/:controller/:action/*', array(), $match);if ($this->__admin) {$this->connect("/{$this->__admin}/:plugin/:controller", $params, $match);$this->connect("/{$this->__admin}/:plugin/:controller/:action/*", $params, $match);}}if ($this->__admin) {$this->connect("/{$this->__admin}/:controller", $params);$this->connect("/{$this->__admin}/:controller/:action/*", $params);}$this->connect('/:controller', array('action' => 'index'));$this->connect('/:controller/:action/*');if ($this->named['rules'] === false) {$this->connectNamed(true);}$this->__defaultsMapped = true;}/*** Takes parameter and path information back from the Dispatcher** @param array $params Parameters and path information* @return void* @access public* @static*/function setRequestInfo($params) {$_this =& Router::getInstance();$defaults = array('plugin' => null, 'controller' => null, 'action' => null);$params[0] = array_merge($defaults, (array)$params[0]);$params[1] = array_merge($defaults, (array)$params[1]);list($_this->__params[], $_this->__paths[]) = $params;if (count($_this->__paths)) {if (isset($_this->__paths[0]['namedArgs'])) {foreach ($_this->__paths[0]['namedArgs'] as $arg => $value) {$_this->named['rules'][$arg] = true;}}}}/*** Gets parameter information** @param boolean $current Get current parameter (true)* @return array Parameter information* @access public* @static*/function getParams($current = false) {$_this =& Router::getInstance();if ($current) {return $_this->__params[count($_this->__params) - 1];}if (isset($_this->__params[0])) {return $_this->__params[0];}return array();}/*** Gets URL parameter by name** @param string $name Parameter name* @param boolean $current Current parameter* @return string Parameter value* @access public* @static*/function getParam($name = 'controller', $current = false) {$params = Router::getParams($current);if (isset($params[$name])) {return $params[$name];}return null;}/*** Gets path information** @param boolean $current Current parameter* @return array* @access public* @static*/function getPaths($current = false) {$_this =& Router::getInstance();if ($current) {return $_this->__paths[count($_this->__paths) - 1];}if (!isset($_this->__paths[0])) {return array('base' => null);}return $_this->__paths[0];}/*** Reloads default Router settings** @access public* @return void* @static*/function reload() {$_this =& Router::getInstance();foreach (get_class_vars('Router') as $key => $val) {$_this->{$key} = $val;}$_this->__admin = Configure::read('Routing.admin');}/*** Promote a route (by default, the last one added) to the beginning of the list** @param $which A zero-based array index representing the route to move. For example,* if 3 routes have been added, the last route would be 2.* @return boolean Retuns false if no route exists at the position specified by $which.* @access public* @static*/function promote($which = null) {$_this =& Router::getInstance();if ($which === null) {$which = count($_this->routes) - 1;}if (!isset($_this->routes[$which])) {return false;}$route = $_this->routes[$which];unset($_this->routes[$which]);array_unshift($_this->routes, $route);return true;}/*** Finds URL for specified action.** Returns an URL pointing to a combination of controller and action. Param* $url can be:* + Empty - the method will find adress to actuall controller/action.* + '/' - the method will find base URL of application.* + A combination of controller/action - the method will find url for it.** @param mixed $url Cake-relative URL, like "/products/edit/92" or "/presidents/elect/4"* or an array specifying any of the following: 'controller', 'action',* and/or 'plugin', in addition to named arguments (keyed array elements),* and standard URL arguments (indexed array elements)* @param mixed $options If (bool)true, the full base URL will be prepended to the result.* If an array accepts the following keys* escape - used when making urls embedded in html escapes query string '&'* full - if true the full base URL will be prepended.* @return string Full translated URL with base path.* @access public* @static*/function url($url = null, $full = false) {$_this =& Router::getInstance();$defaults = $params = array('plugin' => null, 'controller' => null, 'action' => 'index');if (is_bool($full)) {$escape = false;} else {extract(array_merge(array('escape' => false, 'full' => false), $full));}if (!empty($_this->__params)) {if (isset($this) && !isset($this->params['requested'])) {$params = $_this->__params[0];} else {$params = end($_this->__params);}}$path = array('base' => null);if (!empty($_this->__paths)) {if (isset($this) && !isset($this->params['requested'])) {$path = $_this->__paths[0];} else {$path = end($_this->__paths);}}$base = $path['base'];$extension = $output = $mapped = $q = $frag = null;if (is_array($url)) {if (isset($url['base']) && $url['base'] === false) {$base = null;unset($url['base']);}if (isset($url['full_base']) && $url['full_base'] === true) {$full = true;unset($url['full_base']);}if (isset($url['?'])) {$q = $url['?'];unset($url['?']);}if (isset($url['#'])) {$frag = '#' . urlencode($url['#']);unset($url['#']);}if (empty($url['action'])) {if (empty($url['controller']) || $params['controller'] === $url['controller']) {$url['action'] = $params['action'];} else {$url['action'] = 'index';}}if ($_this->__admin) {if (!isset($url[$_this->__admin]) && !empty($params[$_this->__admin])) {$url[$_this->__admin] = true;} elseif ($_this->__admin && isset($url[$_this->__admin]) && !$url[$_this->__admin]) {unset($url[$_this->__admin]);}}$plugin = false;if (array_key_exists('plugin', $url)) {$plugin = $url['plugin'];}$url = array_merge(array('controller' => $params['controller'], 'plugin' => $params['plugin']), Set::filter($url, true));if ($plugin !== false) {$url['plugin'] = $plugin;}if (isset($url['ext'])) {$extension = '.' . $url['ext'];unset($url['ext']);}$match = false;foreach ($_this->routes as $i => $route) {if (count($route) === 3) {$route = $_this->compile($i);}$originalUrl = $url;if (isset($route[4]['persist'], $_this->__params[0])) {$url = array_merge(array_intersect_key($params, Set::combine($route[4]['persist'], '/')), $url);}if ($match = $_this->mapRouteElements($route, $url)) {$output = trim($match, '/');$url = array();break;}$url = $originalUrl;}$named = $args = array();$skip = array('bare', 'action', 'controller', 'plugin', 'ext', '?', '#', 'prefix', $_this->__admin);$keys = array_values(array_diff(array_keys($url), $skip));$count = count($keys);// Remove this once parsed URL parameters can be inserted into 'pass'for ($i = 0; $i < $count; $i++) {if ($i === 0 && is_numeric($keys[$i]) && in_array('id', $keys)) {$args[0] = $url[$keys[$i]];} elseif (is_numeric($keys[$i]) || $keys[$i] === 'id') {$args[] = $url[$keys[$i]];} else {$named[$keys[$i]] = $url[$keys[$i]];}}if ($match === false) {list($args, $named) = array(Set::filter($args, true), Set::filter($named));if (!empty($url[$_this->__admin])) {$url['action'] = str_replace($_this->__admin . '_', '', $url['action']);}if (empty($named) && empty($args) && (!isset($url['action']) || $url['action'] === 'index')) {$url['action'] = null;}$urlOut = Set::filter(array($url['controller'], $url['action']));if (isset($url['plugin']) && $url['plugin'] != $url['controller']) {array_unshift($urlOut, $url['plugin']);}if ($_this->__admin && isset($url[$_this->__admin])) {array_unshift($urlOut, $_this->__admin);}$output = join('/', $urlOut) . '/';}if (!empty($args)) {$args = join('/', $args);if ($output{strlen($output) - 1} != '/') {$args = '/'. $args;}$output .= $args;}if (!empty($named)) {foreach ($named as $name => $value) {$output .= '/' . $name . $_this->named['separator'] . $value;}}$output = str_replace('//', '/', $base . '/' . $output);} else {if (((strpos($url, '://')) || (strpos($url, 'javascript:') === 0) || (strpos($url, 'mailto:') === 0)) || (!strncmp($url, '#', 1))) {return $url;}if (empty($url)) {if (!isset($path['here'])) {$path['here'] = '/';}$output = $path['here'];} elseif (substr($url, 0, 1) === '/') {$output = $base . $url;} else {$output = $base . '/';if ($_this->__admin && isset($params[$_this->__admin])) {$output .= $_this->__admin . '/';}if (!empty($params['plugin']) && $params['plugin'] !== $params['controller']) {$output .= Inflector::underscore($params['plugin']) . '/';}$output .= Inflector::underscore($params['controller']) . '/' . $url;}$output = str_replace('//', '/', $output);}if ($full && defined('FULL_BASE_URL')) {$output = FULL_BASE_URL . $output;}if (!empty($extension) && substr($output, -1) === '/') {$output = substr($output, 0, -1);}return $output . $extension . $_this->queryString($q, array(), $escape) . $frag;}/*** Maps a URL array onto a route and returns the string result, or false if no match** @param array $route Route Route* @param array $url URL URL to map* @return mixed Result (as string) or false if no match* @access public* @static*/function mapRouteElements($route, $url) {if (isset($route[3]['prefix'])) {$prefix = $route[3]['prefix'];unset($route[3]['prefix']);}$pass = array();$defaults = $route[3];$routeParams = $route[2];$params = Set::diff($url, $defaults);$urlInv = array_combine(array_values($url), array_keys($url));$i = 0;while (isset($defaults[$i])) {if (isset($urlInv[$defaults[$i]])) {if (!in_array($defaults[$i], $url) && is_int($urlInv[$defaults[$i]])) {return false;}unset($urlInv[$defaults[$i]], $defaults[$i]);} else {return false;}$i++;}foreach ($params as $key => $value) {if (is_int($key)) {$pass[] = $value;unset($params[$key]);}}list($named, $params) = Router::getNamedElements($params);if (!strpos($route[0], '*') && (!empty($pass) || !empty($named))) {return false;}$urlKeys = array_keys($url);$paramsKeys = array_keys($params);$defaultsKeys = array_keys($defaults);if (!empty($params)) {if (array_diff($paramsKeys, $routeParams) != array()) {return false;}$required = array_values(array_diff($routeParams, $urlKeys));$reqCount = count($required);for ($i = 0; $i < $reqCount; $i++) {if (array_key_exists($required[$i], $defaults) && $defaults[$required[$i]] === null) {unset($required[$i]);}}}$isFilled = true;if (!empty($routeParams)) {$filled = array_intersect_key($url, array_combine($routeParams, array_keys($routeParams)));$isFilled = (array_diff($routeParams, array_keys($filled)) === array());if (!$isFilled && empty($params)) {return false;}}if (empty($params)) {return Router::__mapRoute($route, array_merge($url, compact('pass', 'named', 'prefix')));} elseif (!empty($routeParams) && !empty($route[3])) {if (!empty($required)) {return false;}foreach ($params as $key => $val) {if ((!isset($url[$key]) || $url[$key] != $val) || (!isset($defaults[$key]) || $defaults[$key] != $val) && !in_array($key, $routeParams)) {if (!isset($defaults[$key])) {continue;}return false;}}} else {if (empty($required) && $defaults['plugin'] === $url['plugin'] && $defaults['controller'] === $url['controller'] && $defaults['action'] === $url['action']) {return Router::__mapRoute($route, array_merge($url, compact('pass', 'named', 'prefix')));}return false;}if (!empty($route[4])) {foreach ($route[4] as $key => $reg) {if (array_key_exists($key, $url) && !preg_match('#' . $reg . '#', $url[$key])) {return false;}}}return Router::__mapRoute($route, array_merge($filled, compact('pass', 'named', 'prefix')));}/*** Merges URL parameters into a route string** @param array $route Route* @param array $params Parameters* @return string Merged URL with parameters* @access private*/function __mapRoute($route, $params = array()) {if (isset($params['plugin']) && isset($params['controller']) && $params['plugin'] === $params['controller']) {unset($params['controller']);}if (isset($params['prefix']) && isset($params['action'])) {$params['action'] = str_replace($params['prefix'] . '_', '', $params['action']);unset($params['prefix']);}if (isset($params['pass']) && is_array($params['pass'])) {$params['pass'] = implode('/', Set::filter($params['pass'], true));} elseif (!isset($params['pass'])) {$params['pass'] = '';}if (isset($params['named'])) {if (is_array($params['named'])) {$count = count($params['named']);$keys = array_keys($params['named']);$named = array();for ($i = 0; $i < $count; $i++) {$named[] = $keys[$i] . $this->named['separator'] . $params['named'][$keys[$i]];}$params['named'] = join('/', $named);}$params['pass'] = str_replace('//', '/', $params['pass'] . '/' . $params['named']);}$out = $route[0];foreach ($route[2] as $key) {$string = null;if (isset($params[$key])) {$string = $params[$key];unset($params[$key]);}$out = str_replace(':' . $key, $string, $out);}if (strpos($route[0], '*')) {$out = str_replace('*', $params['pass'], $out);}return $out;}/*** Takes an array of URL parameters and separates the ones that can be used as named arguments** @param array $params Associative array of URL parameters.* @param string $controller Name of controller being routed. Used in scoping.* @param string $action Name of action being routed. Used in scoping.* @return array* @access public* @static*/function getNamedElements($params, $controller = null, $action = null) {$_this =& Router::getInstance();$named = array();foreach ($params as $param => $val) {if (isset($_this->named['rules'][$param])) {$rule = $_this->named['rules'][$param];if (Router::matchNamed($param, $val, $rule, compact('controller', 'action'))) {$named[$param] = $val;unset($params[$param]);}}}return array($named, $params);}/*** Return true if a given named $param's $val matches a given $rule depending on $context. Currently implemented* rule types are controller, action and match that can be combined with each other.** @param string $param The name of the named parameter* @param string $val The value of the named parameter* @param array $rule The rule(s) to apply, can also be a match string* @param string $context An array with additional context information (controller / action)* @return boolean* @access public*/function matchNamed($param, $val, $rule, $context = array()) {if ($rule === true || $rule === false) {return $rule;}if (is_string($rule)) {$rule = array('match' => $rule);}if (!is_array($rule)) {return false;}$controllerMatches = !isset($rule['controller'], $context['controller']) || in_array($context['controller'], (array)$rule['controller']);if (!$controllerMatches) {return false;}$actionMatches = !isset($rule['action'], $context['action']) || in_array($context['action'], (array)$rule['action']);if (!$actionMatches) {return false;}$valueMatches = !isset($rule['match']) || preg_match(sprintf('/%s/', $rule['match']), $val);return $valueMatches;}/*** Generates a well-formed querystring from $q** @param mixed $q Query string* @param array $extra Extra querystring parameters.* @param bool $escape Whether or not to use escaped &* @return array* @access public* @static*/function queryString($q, $extra = array(), $escape = false) {if (empty($q) && empty($extra)) {return null;}$join = '&';if ($escape === true) {$join = '&';}$out = '';if (is_array($q)) {$q = array_merge($extra, $q);} else {$out = $q;$q = $extra;}$out .= http_build_query($q, null, $join);if (isset($out[0]) && $out[0] != '?') {$out = '?' . $out;}return $out;}/*** Normalizes a URL for purposes of comparison** @param mixed $url URL to normalize* @return string Normalized URL* @access public*/function normalize($url = '/') {if (is_array($url)) {$url = Router::url($url);} elseif (preg_match('/^[a-z\-]+:\/\//', $url)) {return $url;}$paths = Router::getPaths();if (!empty($paths['base']) && stristr($url, $paths['base'])) {$url = preg_replace('/' . preg_quote($paths['base'], '/') . '/', '', $url, 1);}$url = '/' . $url;while (strpos($url, '//') !== false) {$url = str_replace('//', '/', $url);}$url = preg_replace('/(?:(\/$))/', '', $url);if (empty($url)) {return '/';}return $url;}/*** Returns the route matching the current request URL.** @return array Matching route* @access public* @static*/function requestRoute() {$_this =& Router::getInstance();return $_this->__currentRoute[0];}/*** Returns the route matching the current request (useful for requestAction traces)** @return array Matching route* @access public* @static*/function currentRoute() {$_this =& Router::getInstance();return $_this->__currentRoute[count($_this->__currentRoute) - 1];}/*** Removes the plugin name from the base URL.** @param string $base Base URL* @param string $plugin Plugin name* @return base url with plugin name removed if present* @access public* @static*/function stripPlugin($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;}/*** Strip escape characters from parameter values.** @param mixed $param Either an array, or a string* @return mixed Array or string escaped* @access public* @static*/function stripEscape($param) {$_this =& Router::getInstance();if (!is_array($param) || empty($param)) {if (is_bool($param)) {return $param;}$return = preg_replace('/^(?:[\\t ]*(?:-!)+)/', '', $param);return $return;}foreach ($param as $key => $value) {if (is_string($value)) {$return[$key] = preg_replace('/^(?:[\\t ]*(?:-!)+)/', '', $value);} else {foreach ($value as $array => $string) {$return[$key][$array] = $_this->stripEscape($string);}}}return $return;}/*** 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* $this->params['url']['ext'], and is used by the RequestHandler component to* automatically switch to alternate layouts and templates, and load helpers* corresponding to the given content, i.e. RssHelper.** A list of valid extension can be passed to this method, i.e. Router::parseExtensions('rss', 'xml');* If no parameters are given, anything after the first . (dot) after the last / in the URL will be* parsed, excluding querystring parameters (i.e. ?q=...).** @access public* @return void* @static*/function parseExtensions() {$_this =& Router::getInstance();$_this->__parseExtensions = true;if (func_num_args() > 0) {$_this->__validExtensions = func_get_args();}}/*** Takes an passed params and converts it to args** @param array $params* @return array Array containing passed and named parameters* @access public* @static*/function getArgs($args, $options = array()) {$_this =& Router::getInstance();$pass = $named = array();$args = explode('/', $args);$greedy = $_this->named['greedy'];if (isset($options['greedy'])) {$greedy = $options['greedy'];}$context = array();if (isset($options['context'])) {$context = $options['context'];}$rules = $_this->named['rules'];if (isset($options['named'])) {$greedy = isset($options['greedy']) && $options['greedy'] === true;foreach ((array)$options['named'] as $key => $val) {if (is_numeric($key)) {$rules[$val] = true;continue;}$rules[$key] = $val;}}foreach ($args as $param) {if (empty($param) && $param !== '0' && $param !== 0) {continue;}$param = $_this->stripEscape($param);if ((!isset($options['named']) || !empty($options['named'])) && strpos($param, $_this->named['separator']) !== false) {list($key, $val) = explode($_this->named['separator'], $param, 2);$hasRule = isset($rules[$key]);$passIt = (!$hasRule && !$greedy) || ($hasRule && !Router::matchNamed($key, $val, $rules[$key], $context));if ($passIt) {$pass[] = $param;} else {$named[$key] = $val;}} else {$pass[] = $param;}}return compact('pass', 'named');}}?>