Fixed tree_walking for the new breadcrumbs.

src/renderer/tree_walking.rs

@@ -56,21 +56,15 @@ pub fn walk_path<'a, P>(
 where
     P: Borrow<str>,
 {
-    /*
-    match (breadcrumbs.is_empty(), path.first()) {
-        (true, _) => return Err(WalkError::CantWalk),
-        (false, None) => {
-            return breadcrumbs
-                .last()
-                .map(|bte| bte.borrow())
-                .ok_or(WalkError::CantWalk)
-        }
-        (false, Some(path_first)) if path_first.borrow() == "." => {
+    match (breadcrumbs.last(), path.first()) {
+        (None, _) => return Err(WalkError::CantWalk),
+        (Some(last_elem), None) => return Ok(last_elem.borrow()),
+        (Some(_), Some(path_first)) if path_first.borrow() == "." => {
             let first_non_pseudo_element = get_first_non_pseudo_element(breadcrumbs);
             return match first_non_pseudo_element {
                 None => Err(WalkError::CantWalk),
                 Some(current_context) => {
-                    match walk_path_from_single_level(current_context.get_ice(), &path[1..]) {
+                    match walk_path_from_single_level(current_context.borrow(), &path[1..]) {
                         // If no walking was done at all or we partially walked
                         // then stop trying to find anything because '.' restricts
                         // us to the current scope
@@ -80,9 +74,9 @@ where
                 }
             };
         }
-        (false, Some(path_first)) => {
-            for context in breadcrumbs.ice_iter() {
-                match walk_path_from_single_level(context, path) {
+        (Some(_), Some(path_first)) => {
+            for context in breadcrumbs.iter().rev() {
+                match walk_path_from_single_level(context.borrow(), path) {
                     // If no walking was done at all, keep looping
                     WalkResult::NoWalk => {}
                     // If we partially walked then stop trying to find
@@ -97,6 +91,4 @@ where
     }
 
     Err(WalkError::CantWalk)
-     */
-    todo!()
 }