ToobPlayer UI. .mdata file handling.

PiPedalCommon/src/include/json_variant.hpp

@@ -309,6 +309,10 @@ namespace pipedal
         const_iterator begin() const { return values.begin(); }
         const_iterator end() const { return values.end(); }
 
+        iterator erase(iterator it)
+        {
+            return values.erase(it);
+        }
         iterator find(const std::string &key);
         const_iterator find(const std::string &key) const;
 

PiPedalCommon/src/include/util.hpp

@@ -119,6 +119,8 @@ namespace pipedal
     std::filesystem::path MakeRelativePath(const std::filesystem::path &path, const std::filesystem::path&parentPath);
 
     bool IsSubdirectory(const std::filesystem::path &path, const std::filesystem::path &basePath);
+    bool HasDotDot(const std::filesystem::path &path);
+
 
     std::string ToLower(const std::string&value);