From 6016ece202eef94ed76bd20d4f7879ccc71cc2e6 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Tue, 12 Mar 2019 23:08:31 +0800
Subject: *luax

---
 Source/3rdParty/Luax/luax_reftable.h | 65 ++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 Source/3rdParty/Luax/luax_reftable.h

(limited to 'Source/3rdParty/Luax/luax_reftable.h')

diff --git a/Source/3rdParty/Luax/luax_reftable.h b/Source/3rdParty/Luax/luax_reftable.h
new file mode 100644
index 0000000..0ba42f7
--- /dev/null
+++ b/Source/3rdParty/Luax/luax_reftable.h
@@ -0,0 +1,65 @@
+#ifndef __LUAX_REFTABLE_H__
+#define __LUAX_REFTABLE_H__
+
+#include "luax_config.h"
+
+namespace Luax
+{
+
+	class LuaxState;
+
+	///
+	/// ref table 管理，对strong ref table和weak ref table两个table的代理。
+	///
+	class LuaxRefTable
+	{
+	public:
+
+		enum
+		{
+			WEAK_KEY   = 1, 
+			WEAK_VALUE = 1 << 1
+		};
+
+		LuaxRefTable();
+		~LuaxRefTable();
+
+		void Init(LuaxState& state, cc8* name, cc8* mode = nullptr);
+
+		bool IsKeyWeak();
+		bool IsValueWeak();
+
+		///
+		/// 对stack[idx]的实体在此ref table中增加一个引用，并返回refID
+		///
+		int Ref(LuaxState& state, int idx);
+		void Unref(LuaxState& state, int refID);
+
+		///
+		/// 将此 ref table 放在栈顶
+		///
+		void PushRefTable(LuaxState& state);
+
+		///
+		/// 将 reftable[refID] 放在栈顶
+		///
+		void PushRef(LuaxState& state, int refID);
+
+		///
+		/// 清空 ref table，表还留在LUA_REGISTRYINDEX[mName]
+		///
+		void Clear(LuaxState& state);
+
+	private:
+
+		friend class LuaxState;
+
+		lua_State* mState; // 用来做一些确认工作
+		cc8*       mName;  // ref table的名称
+		int        mMode;  // ref table的类型
+
+	};
+
+}
+
+#endif
\ No newline at end of file
-- 
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