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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Controller
* @subpackage Router
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @version $Id: Rewrite.php 18951 2009-11-12 16:26:19Z alexander $
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
/** Zend_Controller_Router_Abstract */
require_once 'Zend/Controller/Router/Abstract.php';
/** Zend_Controller_Router_Route */
require_once 'Zend/Controller/Router/Route.php';
/**
* Ruby routing based Router.
*
* @package Zend_Controller
* @subpackage Router
* @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @see http://manuals.rubyonrails.com/read/chapter/65
*/
class Zend_Controller_Router_Rewrite extends Zend_Controller_Router_Abstract
{
/**
* Whether or not to use default routes
*
* @var boolean
*/
protected $_useDefaultRoutes = true;
/**
* Array of routes to match against
*
* @var array
*/
protected $_routes = array();
/**
* Currently matched route
*
* @var Zend_Controller_Router_Route_Interface
*/
protected $_currentRoute = null;
/**
* Global parameters given to all routes
*
* @var array
*/
protected $_globalParams = array();
/**
* Separator to use with chain names
*
* @var string
*/
protected $_chainNameSeparator = '-';
/**
* Add default routes which are used to mimic basic router behaviour
*
* @return Zend_Controller_Router_Rewrite
*/
public function addDefaultRoutes()
{
if (!$this->hasRoute('default')) {
$dispatcher = $this->getFrontController()->getDispatcher();
$request = $this->getFrontController()->getRequest();
require_once 'Zend/Controller/Router/Route/Module.php';
$compat = new Zend_Controller_Router_Route_Module(array(), $dispatcher, $request);
$this->_routes = array_merge(array('default' => $compat), $this->_routes);
}
return $this;
}
/**
* Add route to the route chain
*
* If route contains method setRequest(), it is initialized with a request object
*
* @param string $name Name of the route
* @param Zend_Controller_Router_Route_Interface $route Instance of the route
* @return Zend_Controller_Router_Rewrite
*/
public function addRoute($name, Zend_Controller_Router_Route_Interface $route)
{
if (method_exists($route, 'setRequest')) {
$route->setRequest($this->getFrontController()->getRequest());
}
$this->_routes[$name] = $route;
return $this;
}
/**
* Add routes to the route chain
*
* @param array $routes Array of routes with names as keys and routes as values
* @return Zend_Controller_Router_Rewrite
*/
public function addRoutes($routes) {
foreach ($routes as $name => $route) {
$this->addRoute($name, $route);
}
return $this;
}
/**
* Create routes out of Zend_Config configuration
*
* Example INI:
* routes.archive.route = "archive/:year/*"
* routes.archive.defaults.controller = archive
* routes.archive.defaults.action = show
* routes.archive.defaults.year = 2000
* routes.archive.reqs.year = "\d+"
*
* routes.news.type = "Zend_Controller_Router_Route_Static"
* routes.news.route = "news"
* routes.news.defaults.controller = "news"
* routes.news.defaults.action = "list"
*
* And finally after you have created a Zend_Config with above ini:
* $router = new Zend_Controller_Router_Rewrite();
* $router->addConfig($config, 'routes');
*
* @param Zend_Config $config Configuration object
* @param string $section Name of the config section containing route's definitions
* @throws Zend_Controller_Router_Exception
* @return Zend_Controller_Router_Rewrite
*/
public function addConfig(Zend_Config $config, $section = null)
{
if ($section !== null) {
if ($config->{$section} === null) {
require_once 'Zend/Controller/Router/Exception.php';
throw new Zend_Controller_Router_Exception("No route configuration in section '{$section}'");
}
$config = $config->{$section};
}
foreach ($config as $name => $info) {
$route = $this->_getRouteFromConfig($info);
if ($route instanceof Zend_Controller_Router_Route_Chain) {
if (!isset($info->chain)) {
require_once 'Zend/Controller/Router/Exception.php';
throw new Zend_Controller_Router_Exception("No chain defined");
}
if ($info->chain instanceof Zend_Config) {
$childRouteNames = $info->chain;
} else {
$childRouteNames = explode(',', $info->chain);
}
foreach ($childRouteNames as $childRouteName) {
$childRoute = $this->getRoute(trim($childRouteName));
$route->chain($childRoute);
}
$this->addRoute($name, $route);
} elseif (isset($info->chains) && $info->chains instanceof Zend_Config) {
$this->_addChainRoutesFromConfig($name, $route, $info->chains);
} else {
$this->addRoute($name, $route);
}
}
return $this;
}
/**
* Get a route frm a config instance
*
* @param Zend_Config $info
* @return Zend_Controller_Router_Route_Interface
*/
protected function _getRouteFromConfig(Zend_Config $info)
{
$class = (isset($info->type)) ? $info->type : 'Zend_Controller_Router_Route';
if (!class_exists($class)) {
require_once 'Zend/Loader.php';
Zend_Loader::loadClass($class);
}
$route = call_user_func(array($class, 'getInstance'), $info);
if (isset($info->abstract) && $info->abstract && method_exists($route, 'isAbstract')) {
$route->isAbstract(true);
}
return $route;
}
/**
* Add chain routes from a config route
*
* @param string $name
* @param Zend_Controller_Router_Route_Interface $route
* @param Zend_Config $childRoutesInfo
* @return void
*/
protected function _addChainRoutesFromConfig($name,
Zend_Controller_Router_Route_Interface $route,
Zend_Config $childRoutesInfo)
{
foreach ($childRoutesInfo as $childRouteName => $childRouteInfo) {
if (is_string($childRouteInfo)) {
$childRouteName = $childRouteInfo;
$childRoute = $this->getRoute($childRouteName);
} else {
$childRoute = $this->_getRouteFromConfig($childRouteInfo);
}
if ($route instanceof Zend_Controller_Router_Route_Chain) {
$chainRoute = clone $route;
$chainRoute->chain($childRoute);
} else {
$chainRoute = $route->chain($childRoute);
}
$chainName = $name . $this->_chainNameSeparator . $childRouteName;
if (isset($childRouteInfo->chains)) {
$this->_addChainRoutesFromConfig($chainName, $chainRoute, $childRouteInfo->chains);
} else {
$this->addRoute($chainName, $chainRoute);
}
}
}
/**
* Remove a route from the route chain
*
* @param string $name Name of the route
* @throws Zend_Controller_Router_Exception
* @return Zend_Controller_Router_Rewrite
*/
public function removeRoute($name)
{
if (!isset($this->_routes[$name])) {
require_once 'Zend/Controller/Router/Exception.php';
throw new Zend_Controller_Router_Exception("Route $name is not defined");
}
unset($this->_routes[$name]);
return $this;
}
/**
* Remove all standard default routes
*
* @param Zend_Controller_Router_Route_Interface Route
* @return Zend_Controller_Router_Rewrite
*/
public function removeDefaultRoutes()
{
$this->_useDefaultRoutes = false;
return $this;
}
/**
* Check if named route exists
*
* @param string $name Name of the route
* @return boolean
*/
public function hasRoute($name)
{
return isset($this->_routes[$name]);
}
/**
* Retrieve a named route
*
* @param string $name Name of the route
* @throws Zend_Controller_Router_Exception
* @return Zend_Controller_Router_Route_Interface Route object
*/
public function getRoute($name)
{
if (!isset($this->_routes[$name])) {
require_once 'Zend/Controller/Router/Exception.php';
throw new Zend_Controller_Router_Exception("Route $name is not defined");
}
return $this->_routes[$name];
}
/**
* Retrieve a currently matched route
*
* @throws Zend_Controller_Router_Exception
* @return Zend_Controller_Router_Route_Interface Route object
*/
public function getCurrentRoute()
{
if (!isset($this->_currentRoute)) {
require_once 'Zend/Controller/Router/Exception.php';
throw new Zend_Controller_Router_Exception("Current route is not defined");
}
return $this->getRoute($this->_currentRoute);
}
/**
* Retrieve a name of currently matched route
*
* @throws Zend_Controller_Router_Exception
* @return Zend_Controller_Router_Route_Interface Route object
*/
public function getCurrentRouteName()
{
if (!isset($this->_currentRoute)) {
require_once 'Zend/Controller/Router/Exception.php';
throw new Zend_Controller_Router_Exception("Current route is not defined");
}
return $this->_currentRoute;
}
/**
* Retrieve an array of routes added to the route chain
*
* @return array All of the defined routes
*/
public function getRoutes()
{
return $this->_routes;
}
/**
* Find a matching route to the current PATH_INFO and inject
* returning values to the Request object.
*
* @throws Zend_Controller_Router_Exception
* @return Zend_Controller_Request_Abstract Request object
*/
public function route(Zend_Controller_Request_Abstract $request)
{
if (!$request instanceof Zend_Controller_Request_Http) {
require_once 'Zend/Controller/Router/Exception.php';
throw new Zend_Controller_Router_Exception('Zend_Controller_Router_Rewrite requires a Zend_Controller_Request_Http-based request object');
}
if ($this->_useDefaultRoutes) {
$this->addDefaultRoutes();
}
// Find the matching route
foreach (array_reverse($this->_routes) as $name => $route) {
// TODO: Should be an interface method. Hack for 1.0 BC
if (method_exists($route, 'isAbstract') && $route->isAbstract()) {
continue;
}
// TODO: Should be an interface method. Hack for 1.0 BC
if (!method_exists($route, 'getVersion') || $route->getVersion() == 1) {
$match = $request->getPathInfo();
} else {
$match = $request;
}
if ($params = $route->match($match)) {
$this->_setRequestParams($request, $params);
$this->_currentRoute = $name;
break;
}
}
return $request;
}
protected function _setRequestParams($request, $params)
{
foreach ($params as $param => $value) {
$request->setParam($param, $value);
if ($param === $request->getModuleKey()) {
$request->setModuleName($value);
}
if ($param === $request->getControllerKey()) {
$request->setControllerName($value);
}
if ($param === $request->getActionKey()) {
$request->setActionName($value);
}
}
}
/**
* Generates a URL path that can be used in URL creation, redirection, etc.
*
* @param array $userParams Options passed by a user used to override parameters
* @param mixed $name The name of a Route to use
* @param bool $reset Whether to reset to the route defaults ignoring URL params
* @param bool $encode Tells to encode URL parts on output
* @throws Zend_Controller_Router_Exception
* @return string Resulting absolute URL path
*/
public function assemble($userParams, $name = null, $reset = false, $encode = true)
{
if ($name == null) {
try {
$name = $this->getCurrentRouteName();
} catch (Zend_Controller_Router_Exception $e) {
$name = 'default';
}
}
$params = array_merge($this->_globalParams, $userParams);
$route = $this->getRoute($name);
$url = $route->assemble($params, $reset, $encode);
if (!preg_match('|^[a-z]+://|', $url)) {
$url = rtrim($this->getFrontController()->getBaseUrl(), '/') . '/' . $url;
}
return $url;
}
/**
* Set a global parameter
*
* @param string $name
* @param mixed $value
* @return Zend_Controller_Router_Rewrite
*/
public function setGlobalParam($name, $value)
{
$this->_globalParams[$name] = $value;
return $this;
}
/**
* Set the separator to use with chain names
*
* @param string $separator The separator to use
* @return Zend_Controller_Router_Rewrite
*/
public function setChainNameSeparator($separator) {
$this->_chainNameSeparator = $separator;
return $this;
}
/**
* Get the separator to use for chain names
*
* @return string
*/
public function getChainNameSeparator() {
return $this->_chainNameSeparator;
}
}
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