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path: root/source/3rd-party/Luax/luax_ref.cpp
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#include "luax_runtime.h"
#include "luax_ref.h"

namespace Luax
{

	LuaxRef::LuaxRef(int mode)
		: mRefID(LUA_NOREF)
		, mMode(mode)
	{
	}

	LuaxRef::~LuaxRef()
	{
	}

	LuaxRef::operator bool()
	{
		return (mRefID != LUA_NOREF);
	}

	bool LuaxRef::PushRef(LuaxState& state)
	{
		assert(mRefID != LUA_NOREF);

		LuaxRuntime& runtime = LuaxRuntime::Get();

		if (mMode == STRONG_REF)
		{
			LuaxRefTable& table = runtime[state.GetHandle()].strongRefTable;
			table.PushRef(state, mRefID);
		}
		else if (mMode == WEAK_REF)
		{
			LuaxRefTable& table = runtime[state.GetHandle()].weakRefTable;
			table.PushRef(state, mRefID);
		}
		else
		{
			return false;
		}
	}

	void LuaxRef::SetRef(LuaxState& state, int idx)
	{
		LuaxRuntime& runtime = LuaxRuntime::Get();
		if (mMode == STRONG_REF)
		{
			LuaxRefTable& table = runtime[state.GetHandle()].strongRefTable;
			mRefID = table.Ref(state, idx);
		}
		else if (mMode == WEAK_REF)
		{
			LuaxRefTable& table = runtime[state.GetHandle()].weakRefTable;
			mRefID = table.Ref(state, idx);
		}
	}

	LuaxStrongRef::LuaxStrongRef()
		: LuaxRef(STRONG_REF)
	{
	}

	LuaxWeakRef::LuaxWeakRef()
		: LuaxRef(WEAK_REF)
	{
	}

}