1 files changed, 62 insertions, 0 deletions
diff --git a/includes/path.inc b/includes/path.inc
index 3ce40a818..12214daad 100644
--- a/includes/path.inc
+++ b/includes/path.inc
@@ -482,3 +482,65 @@ function path_delete($criteria) {
   drupal_clear_path_cache();
 }
 
+/**
+ * Determine whether a path is in the administrative section of the site.
+ *
+ * By default, paths are considered to be non-administrative. If a path does not
+ * match any of the patterns in path_get_admin_paths(), or if it matches both
+ * administrative and non-administrative patterns, it is considered
+ * non-administrative.
+ *
+ * @param $path
+ *   A Drupal path.
+ * @return
+ *   TRUE if the path is administrative, FALSE otherwise.
+ *
+ * @see path_get_admin_paths()
+ * @see hook_admin_paths()
+ * @see hook_admin_paths_alter()
+ */
+function path_is_admin($path) {
+  $path_map = &drupal_static(__FUNCTION__);
+  if (!isset($path_map['admin'][$path])) {
+    $patterns = path_get_admin_paths();
+    $path_map['admin'][$path] = drupal_match_path($path, $patterns['admin']);
+    $path_map['non_admin'][$path] = drupal_match_path($path, $patterns['non_admin']);
+  }
+  return $path_map['admin'][$path] && !$path_map['non_admin'][$path];
+}
+
+/**
+ * Get a list of administrative and non-administrative paths.
+ *
+ * @return array
+ *   An associative array containing the following keys:
+ *   'admin': An array of administrative paths and regular expressions
+ *            in a format suitable for drupal_match_path().
+ *   'non_admin': An array of non-administrative paths and regular expressions.
+ *
+ * @see hook_admin_paths()
+ * @see hook_admin_paths_alter()
+ */
+function path_get_admin_paths() {
+  $patterns = &drupal_static(__FUNCTION__);
+  if (!isset($patterns)) {
+    $paths = module_invoke_all('admin_paths');
+    drupal_alter('admin_paths', $paths);
+    // Combine all admin paths into one array, and likewise for non-admin paths,
+    // for easier handling.
+    $patterns = array();
+    $patterns['admin'] = array();
+    $patterns['non_admin'] = array();
+    foreach ($paths as $path => $enabled) {
+      if ($enabled) {
+        $patterns['admin'][] = $path;
+      }
+      else {
+        $patterns['non_admin'][] = $path;
+      }
+    }
+    $patterns['admin'] = implode("\n", $patterns['admin']);
+    $patterns['non_admin'] = implode("\n", $patterns['non_admin']);
+  }
+  return $patterns;
+}