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Part.php
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Part.php
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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_Mvc_Router
* @subpackage Http
* @copyright Copyright (c) 2005-2012 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Mvc\Router\Http;
use Traversable,
Zend\Stdlib\ArrayUtils,
Zend\Stdlib\RequestInterface as Request,
Zend\Mvc\Router\RouteBroker,
Zend\Mvc\Router\Exception,
Zend\Mvc\Router\PriorityList;
/**
* RouteInterface part.
*
* @package Zend_Mvc_Router
* @subpackage Http
* @copyright Copyright (c) 2005-2012 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 Part extends TreeRouteStack implements RouteInterface
{
/**
* RouteInterface to match.
*
* @var RouteInterface
*/
protected $route;
/**
* Whether the route may terminate.
*
* @var boolean
*/
protected $mayTerminate;
/**
* Child routes.
*
* @var mixed
*/
protected $childRoutes;
/**
* Create a new part route.
*
* @param mixed $route
* @param boolean $mayTerminate
* @param RouteBroker $routeBroker
* @param array|null $childRoutes
* @throws Exception\InvalidArgumentException
*/
public function __construct($route, $mayTerminate, RouteBroker $routeBroker, array $childRoutes = null)
{
$this->routeBroker = $routeBroker;
if (!$route instanceof RouteInterface) {
$route = $this->routeFromArray($route);
}
if ($route instanceof self) {
throw new Exception\InvalidArgumentException('Base route may not be a part route');
}
$this->route = $route;
$this->mayTerminate = $mayTerminate;
$this->childRoutes = $childRoutes;
$this->routes = new PriorityList();
}
/**
* factory(): defined by RouteInterface interface.
*
* @see Route::factory()
* @param mixed $options
* @throws \Zend\Mvc\Router\Exception\InvalidArgumentException
* @return Part
*/
public static function factory($options = array())
{
if ($options instanceof Traversable) {
$options = ArrayUtils::iteratorToArray($options);
} elseif (!is_array($options)) {
throw new Exception\InvalidArgumentException(__METHOD__ . ' expects an array or Traversable set of options');
}
if (!isset($options['route'])) {
throw new Exception\InvalidArgumentException('Missing "route" in options array');
}
if (!isset($options['route_broker'])) {
throw new Exception\InvalidArgumentException('Missing "route_broker" in options array');
}
if (!isset($options['may_terminate'])) {
$options['may_terminate'] = false;
}
if (!isset($options['child_routes']) || !$options['child_routes']) {
$options['child_routes'] = null;
}
if ($options['child_routes'] instanceof Traversable) {
$options['child_routes'] = ArrayUtils::iteratorToArray($options['child_routes']);
}
return new static($options['route'], $options['may_terminate'], $options['route_broker'], $options['child_routes']);
}
/**
* match(): defined by RouteInterface interface.
*
* @see Route::match()
* @param Request $request
* @param int|null $pathOffset
* @return RouteMatch|null
*/
public function match(Request $request, $pathOffset = null)
{
if ($pathOffset === null) {
$pathOffset = 0;
}
$match = $this->route->match($request, $pathOffset);
if ($match !== null && method_exists($request, 'uri')) {
if ($this->childRoutes !== null) {
$this->addRoutes($this->childRoutes);
$this->childRoutes = null;
}
$nextOffset = $pathOffset + $match->getLength();
$uri = $request->uri();
$pathLength = strlen($uri->getPath());
if ($this->mayTerminate && $nextOffset === $pathLength) {
return $match;
}
foreach ($this->routes as $name => $route) {
if (($subMatch = $route->match($request, $nextOffset)) instanceof RouteMatch) {
if ($match->getLength() + $subMatch->getLength() + $pathOffset === $pathLength) {
return $match->merge($subMatch)->setMatchedRouteName($name);
}
}
}
}
return null;
}
/**
* assemble(): Defined by RouteInterface interface.
*
* @see Route::assemble()
* @param array $params
* @param array $options
* @return mixed
* @throws Exception\RuntimeException
*/
public function assemble(array $params = array(), array $options = array())
{
if ($this->childRoutes !== null) {
$this->addRoutes($this->childRoutes);
$this->childRoutes = null;
}
$options['has_child'] = (isset($options['name']));
$path = $this->route->assemble($params, $options);
$params = array_diff_key($params, array_flip($this->route->getAssembledParams()));
if (!isset($options['name'])) {
if (!$this->mayTerminate) {
throw new Exception\RuntimeException('Part route may not terminate');
} else {
return $path;
}
}
unset($options['has_child']);
$options['only_return_path'] = true;
$path .= parent::assemble($params, $options);
return $path;
}
/**
* getAssembledParams(): defined by RouteInterface interface.
*
* @see Route::getAssembledParams
* @return array
*/
public function getAssembledParams()
{
// Part routes may not occur as base route of other part routes, so we
// don't have to return anything here.
return array();
}
}