diff core/lib/Drupal/Core/Path/CurrentPathStack.php @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/lib/Drupal/Core/Path/CurrentPathStack.php	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,81 @@
+<?php
+
+namespace Drupal\Core\Path;
+
+use Symfony\Component\HttpFoundation\Request;
+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 $request = NULL) {
+    if (!isset($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 $request = NULL) {
+    if (!isset($request)) {
+      $request = $this->requestStack->getCurrentRequest();
+    }
+    $this->paths[$request] = $path;
+
+    return $this;
+  }
+
+}