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-rw-r--r--Runtime/Lua/LuaBind/LuaBindRefTable.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/Runtime/Lua/LuaBind/LuaBindRefTable.h b/Runtime/Lua/LuaBind/LuaBindRefTable.h
new file mode 100644
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+++ b/Runtime/Lua/LuaBind/LuaBindRefTable.h
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+#ifndef __LUA_BIND_REFTABLE_H__
+#define __LUA_BIND_REFTABLE_H__
+
+#include "LuaBindConfig.h"
+
+namespace LuaBind
+{
+
+ class State;
+
+ //
+ // ref table 管理,对strong ref table和weak ref table两个table的代理。
+ //
+ class RefTable
+ {
+ public:
+
+ enum
+ {
+ WEAK_KEY = 1,
+ WEAK_VALUE = 1 << 1
+ };
+
+ RefTable();
+ ~RefTable();
+
+ inline operator bool() { return mState; };
+
+ void Init(State& 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(State& state, int idx);
+ void Unref(State& state, int refID);
+
+ //
+ // 将此 ref table 放在栈顶
+ //
+ void PushRefTable(State& state);
+
+ //
+ // 将 reftable[refID] 放在栈顶
+ //
+ void PushRef(State& state, int refID);
+
+ //
+ // 清空 ref table,表还留在LUA_REGISTRYINDEX[mName]
+ //
+ void Clear(State& state);
+
+ private:
+
+ friend class State;
+
+ 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