Add the ability for lua libraries to define sublibraries

include/openspace/scripting/lualibrary.h

@@ -33,9 +33,9 @@
 namespace openspace::scripting {
 
 /**
-* This structure represents a Lua library, itself consisting of a unique #name and
-* an arbitrary number of #functions
-*/
+ * This structure represents a Lua library, itself consisting of a unique #name and
+ * an arbitrary number of #functions
+ */
 struct LuaLibrary {
     /**
     * This structure represents a Lua function with its #name, #function pointer
@@ -49,7 +49,7 @@ struct LuaLibrary {
         lua_CFunction function;
         /// A vector of light userdata to be passed into the function
         std::vector<void*> userdata;
-        /// A text describing the arugments to this function
+        /// A text describing the arguments to this function
         std::string argumentText;
         /// A help text describing what the function does/
         std::string helpText;
@@ -58,6 +58,8 @@ struct LuaLibrary {
     std::string name;
     /// The list of all C-based callback functions for this library
     std::vector<Function> functions;
+    /// A list of all libraries that are children for this library
+    std::vector<LuaLibrary> subLibraries;
     /// A list of script files that are executed for each Lua state
     std::vector<std::filesystem::path> scripts = std::vector<std::filesystem::path>();
 
@@ -77,6 +79,9 @@ struct LuaLibrary {
 
     /// Comparison function that compares two LuaLibrary%s name
     bool operator<(const LuaLibrary& rhs) const;
+
+    /// Merges the contents of a second LuaLibrary into this LuaLibrary
+    void merge(LuaLibrary rhs);
 };
 
 } // namespace openspace::scripting