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<?php
namespace Drupal\Core\Path;
use Symfony\Component\HttpFoundation\RequestStack;
/**
* Represents the current path for the current request.
*
* Note: You should not rely on paths but rather on route names / parameters or
* other indicators like context. For some fundamental parts, like routing or
* path processing, there is unfortunately no way around dealing with paths.
*/
class CurrentPathStack {
/**
* Static cache of paths.
*
* @var \SplObjectStorage
*/
protected $paths;
/**
* The request stack.
*
* @var \Symfony\Component\HttpFoundation\RequestStack
*/
protected $requestStack;
/**
* Constructs a new CurrentPathStack instance.
*
* @param \Symfony\Component\HttpFoundation\RequestStack $request_stack
* The request stack.
*/
public function __construct(RequestStack $request_stack) {
$this->requestStack = $request_stack;
$this->paths = new \SplObjectStorage();
}
/**
* Returns the path of the current request.
*
* @param \Symfony\Component\HttpFoundation\Request $request
* (optional) The request.
*
* @return string
* Returns the path, without leading slashes.
*/
public function getPath($request = NULL) {
if (!isset($request)) {
$request = $this->requestStack->getCurrentRequest();
}
if (!isset($this->paths[$request])) {
$this->paths[$request] = $request->getPathInfo();
}
return $this->paths[$request];
}
/**
* Sets the current path.
*
* @param string $path
* The path.
* @param \Symfony\Component\HttpFoundation\Request $request
* (optional) The request.
*
* @return $this
*/
public function setPath($path, $request = NULL) {
if (!isset($request)) {
$request = $this->requestStack->getCurrentRequest();
}
$this->paths[$request] = $path;
return $this;
}
}