NazaraEngine/include/Nazara/Lua/LuaClass.hpp

80 lines
2.5 KiB
C++

// Copyright (C) 2014 Jérôme Leclercq
// This file is part of the "Nazara Engine - Lua scripting module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#pragma once
#ifndef NAZARA_LUACLASS_HPP
#define NAZARA_LUACLASS_HPP
#include <Nazara/Prerequesites.hpp>
#include <Nazara/Core/String.hpp>
#include <Nazara/Lua/LuaInstance.hpp>
#include <map>
#include <memory>
//#include <type_traits>
template<class T/*, class P = void*/>
class NzLuaClass
{
//static_assert(std::is_same<P, void>::value || std::is_base_of<P, T>::value, "P must be a base of T");
public:
using ClassFunc = int (*)(NzLuaInstance& lua, T& instance);
using ClassIndexFunc = bool (*)(NzLuaInstance& lua, T& instance);
using ConstructorFunc = T* (*)(NzLuaInstance& lua);
using FinalizerFunc = bool (*)(NzLuaInstance& lua, T& instance);
using StaticIndexFunc = bool (*)(NzLuaInstance& lua);
using StaticFunc = int (*)(NzLuaInstance& lua);
NzLuaClass(const NzString& name);
//void Inherit(NzLuaClass<P>& parent);
void Register(NzLuaInstance& lua);
void PushGlobalTable(NzLuaInstance& lua);
void SetConstructor(ConstructorFunc constructor);
void SetFinalizer(FinalizerFunc finalizer);
void SetGetter(ClassIndexFunc getter);
void SetMethod(const NzString& name, ClassFunc method);
void SetSetter(ClassIndexFunc setter);
void SetStaticGetter(StaticIndexFunc getter);
void SetStaticMethod(const NzString& name, StaticFunc func);
void SetStaticSetter(StaticIndexFunc getter);
private:
static int ConstructorProxy(lua_State* state);
static int FinalizerProxy(lua_State* state);
static int InfoDestructor(lua_State* state);
static int GetterProxy(lua_State* state);
static int MethodProxy(lua_State* state);
static int SetterProxy(lua_State* state);
static int StaticGetterProxy(lua_State* state);
static int StaticMethodProxy(lua_State* state);
static int StaticSetterProxy(lua_State* state);
struct ClassInfo
{
std::vector<ClassFunc> methods;
std::vector<StaticFunc> staticMethods;
ClassIndexFunc getter = nullptr;
ClassIndexFunc setter = nullptr;
ConstructorFunc constructor = nullptr;
FinalizerFunc finalizer = nullptr;
StaticIndexFunc staticGetter = nullptr;
StaticIndexFunc staticSetter = nullptr;
NzString name;
int globalTableRef = -1;
};
std::map<NzString, ClassFunc> m_methods;
std::map<NzString, StaticFunc> m_staticMethods;
std::shared_ptr<ClassInfo> m_info;
};
#include <Nazara/Lua/LuaClass.inl>
#endif // NAZARA_LUACLASS_HPP