From 223ecbc450fede9f8ca246895d5f82495f8665e8 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Mon, 20 Feb 2023 19:14:55 +0000
Subject: Allow override member variable names and selection helper when
 mapping members for persistence

---
 lib/persistence.h | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

(limited to 'lib')

diff --git a/lib/persistence.h b/lib/persistence.h
index dbaee44..e1f7605 100644
--- a/lib/persistence.h
+++ b/lib/persistence.h
@@ -113,14 +113,14 @@ namespace Persistence {
 		template<typename T> [[nodiscard]] inline bool persistType(const T * const, const std::type_info & ti);
 
 		enum class NameAction { Push, HandleAndContinue, Ignore };
-		template<typename T>
+		template<typename Helper, typename T>
 		[[nodiscard]] inline bool
 		persistValue(const std::string_view key, T & value)
 		{
-			SelectionT<T> s {value};
-			const auto act {setName(key, s)};
+			auto s = std::make_unique<Helper>(value);
+			const auto act {setName(key, *s)};
 			if (act != NameAction::Ignore) {
-				sel = std::make_unique<decltype(s)>(std::move(s));
+				sel = std::move(s);
 				if (act == NameAction::HandleAndContinue) {
 					selHandler();
 				}
@@ -462,4 +462,7 @@ namespace Persistence {
 }
 
 #define STORE_TYPE store.persistType(this, typeid(*this))
-#define STORE_MEMBER(mbr) store.persistValue(#mbr, mbr)
+#define STORE_MEMBER(mbr) STORE_NAME_MEMBER(#mbr, mbr)
+#define STORE_NAME_MEMBER(name, mbr) store.persistValue<Persistence::SelectionT<decltype(mbr)>>(name, mbr)
+#define STORE_HELPER(mbr, Helper) STORE_NAME_HELPER(#mbr, mbr, Helper)
+#define STORE_NAME_HELPER(name, mbr, Helper) store.persistValue<Helper>(name, mbr)
-- 
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