Add base for menu eventhandlerset parsing

src/ObjLoading/Parsing/Menu/Sequence/Generic/GenericMenuEventHandlerSetPropertySequence.cpp

@@ -0,0 +1,24 @@
+#include "GenericMenuEventHandlerSetPropertySequence.h"
+
+#include <utility>
+
+#include "Parsing/Menu/Matcher/MenuMatcherFactory.h"
+
+using namespace menu;
+
+GenericMenuEventHandlerSetPropertySequence::GenericMenuEventHandlerSetPropertySequence(std::string keywordName, callback_t setCallback)
+    : m_set_callback(std::move(setCallback))
+{
+    const MenuMatcherFactory create(this);
+
+    AddMatchers({
+        create.KeywordIgnoreCase(std::move(keywordName)),
+        create.Char('{')
+    });
+}
+
+void GenericMenuEventHandlerSetPropertySequence::ProcessMatch(MenuFileParserState* state, SequenceResult<SimpleParserValue>& result) const
+{
+    state->m_current_event_handler_set = std::make_unique<CommonEventHandlerSet>();
+    state->m_event_handler_set_callback = m_set_callback;
+}