Add base for menu eventhandlerset parsing

src/ObjLoading/Parsing/Menu/MenuFileParserState.h

@@ -1,18 +1,31 @@
 #pragma once
 
+#include <functional>
 #include <map>
 #include <memory>
 #include <vector>
+#include <sstream>
+#include <stack>
 
 #include "Domain/CommonFunctionDef.h"
 #include "Domain/CommonMenuDef.h"
 #include "Domain/MenuFeatureLevel.h"
+#include "Domain/EventHandler/CommonEventHandlerCondition.h"
 
 namespace menu
 {
     class MenuFileParserState
     {
     public:
+        class EventHandlerConditionState
+        {
+        public:
+            bool m_in_condition_elements;
+            std::unique_ptr<CommonEventHandlerCondition> m_condition;
+
+            explicit EventHandlerConditionState(std::unique_ptr<CommonEventHandlerCondition> condition);
+        };
+
         const FeatureLevel m_feature_level;
 
         std::vector<std::string> m_menus_to_load;
@@ -26,6 +39,11 @@ namespace menu
         std::unique_ptr<CommonFunctionDef> m_current_function;
         std::unique_ptr<CommonMenuDef> m_current_menu;
         std::unique_ptr<CommonItemDef> m_current_item;
+        std::unique_ptr<CommonEventHandlerSet> m_current_event_handler_set;
+
+        std::function<void(MenuFileParserState* state, std::unique_ptr<CommonEventHandlerSet> value)> m_event_handler_set_callback;
+        std::ostringstream m_current_script;
+        std::stack<EventHandlerConditionState> m_current_condition;
 
         explicit MenuFileParserState(FeatureLevel featureLevel);
     };