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namespace Luax
{
///
/// עṤעclass tabletype nameΪƿռϡעβԪȵNewõʱŻᡣ
///
template<typename T>
void LuaxState::RegisterFactory()
{
lua_State* L = mState;
LuaxState& state = *this;
int top = lua_gettop(L); // namespace table
assert(lua_istable(L, top));
// class table
lua_newtable(L);
LuaxNativeClass<T>::RegisterLuaxClass(state);
LuaxNativeClass<T>::RegisterLuaxFactoryClass(state);
T::RegisterLuaxClass(state);
// TǷûעķ
#define _assertmethod(I, NAME) \
GetField(I, NAME); \
assert(IsType(-1, LUA_TFUNCTION)); \
Pop();
_assertmethod(-1, "New");
//_assertmethod(-1, "__gc");
#undef _assertmethod
// .Extend()
lua_pushvalue(state, -1); // class table
lua_pushcclosure(state, LuaxNativeClass<T>::l_ExtendFactory, 1);
lua_setfield(state, -2, "Extend");
// class["__index"] = class
lua_pushvalue(state, -1); // class table
lua_setfield(state, -2, "__index");
LuaxNativeClass<T>::SetLuaxClassTableRef(state, -1);
cc8* type = T::GetLuaxFactoryName();
SetField(top, type);
// reset top
lua_settop(L, top);
//
T::RegisterLuaxPostprocess(state);
}
///
/// Singleton
///
template<typename T>
void LuaxState::RegisterSingleton()
{
lua_State* L = mState;
LuaxState& state = *this;
int top = lua_gettop(L); // namespace table
assert(lua_istable(L, top));
// class table.
lua_newtable(L);
LuaxNativeClass<T>::RegisterLuaxClass(state);
LuaxNativeClass<T>::RegisterLuaxSingletonClass(state);
T::RegisterLuaxClass(state);
LuaxNativeClass<T>::SetLuaxClassTableRef(state, -1);
lua_pushvalue(state, -1);
lua_setfield(state, -2, "__index");
// .Extend()
lua_pushvalue(state, -1); // class table
lua_pushcclosure(state, LuaxNativeClass<T>::l_ExtendSingleton, 1);
lua_setfield(state, -2, "Extend");
cc8* type = T::GetLuaxSingletonName();
SetField(top, type);
// reset top
lua_settop(L, top);
//
T::RegisterLuaxPostprocess(state);
}
template<typename T>
void LuaxState::SetField(int idx, cc8* key, T value)
{
if (IsTableOrUserdata(idx))
{
idx = AbsIndex(idx);
this->Push(value);
lua_setfield(mState, idx, key);
}
}
template<typename T>
T LuaxState::GetField(int idx, cc8* key, T value)
{
GetField(idx, key);
T result = GetValue < T >(-1, value);
this->Pop();
return result;
}
template<typename T>
T LuaxState::GetField(int idx, int key, T value)
{
GetField(idx, key);
T result = GetValue < T >(-1, value);
Pop();
return result;
}
template<typename T>
T* LuaxState::GetLuaUserdata(int idx)
{
void* p = nullptr;
if (IsType(idx, LUA_TUSERDATA))
{
p = *(void**)lua_touserdata(mState, idx);
}
return static_cast<T*>(p);
}
}
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