From 144cc97e1b533f1a3602d78e1e1e24b4fb4a082f Mon Sep 17 00:00:00 2001
From: Ichthyostega <prg@ichthyostega.de>
Date: Mon, 23 Oct 2017 03:17:18 +0200
Subject: [PATCH] LocationQuery: draft simple coverage check

ugly while loop....
maybe recursive?
---
 src/gui/interact/gen-node-location-query.hpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/gui/interact/gen-node-location-query.hpp b/src/gui/interact/gen-node-location-query.hpp
index d389d2bfd..d0d3830a1 100644
--- a/src/gui/interact/gen-node-location-query.hpp
+++ b/src/gui/interact/gen-node-location-query.hpp
@@ -151,6 +151,18 @@ namespace interact {
         {
           return Symbol{lib::pull_last (tree_.keys())};        //////////////////////////////////////////////TICKET #1113 : warning use of Symbol table becomes obsolete when EntryID relies on Literal
         }
+      
+      static Rec const&
+      drillDown (Rec const& tree, UICoord const& path, size_t maxDepth, size_t& depth)
+        {
+          if (depth<maxDepth and path.isPresent(depth))
+            {
+              const char* pathElm = path[depth];
+              if (tree.hasAttribute(pathElm))
+                return drillDown (tree.get(pathElm).data.get<Rec>(), path, maxDepth, ++depth);
+            }
+          return tree;
+        }
     };