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#ifndef __LUAX_CLASS_H__
#define __LUAX_CLASS_H__
#include <vector>
#include "luax_config.h"
#include "luax_ref.h"
#include "luax_memberref.h"
#include "luax_cfunctions.h"
namespace Luax
{
///
/// RegisterLuaxClass עķͳԱö١ȵclass table
/// LuaxGetFactoryName ùͬʱעʱעΪsingletonͨ
/// ʱ
///
#define LUAX_DECL_FACTORY(type) \
static void RegisterLuaxClass(Luax::LuaxState&);\
static void RegisterLuaxPostprocess(Luax::LuaxState&); \
static const char* GetLuaxFactoryName() { return #type; };\
static const char* GetLuaxClassName() { return #type; };\
static bool IsLuaxClassSingleton() { return false; }
///
/// Ϊijʹô˺꣬עһڣעắеãעЩ
///
///
#define LUAX_DECL_ABSTRACT_FACTORY() \
static void RegisterLuaxClass(Luax::LuaxState&);\
static void RegisterLuaxPostprocess(Luax::LuaxState&)
///
/// RegisterLuaxClass עķͳԱö١ȵclass table
/// LuaxGetSingletonName õ
///
#define LUAX_DECL_SINGLETON(type) \
static void RegisterLuaxClass(Luax::LuaxState&); \
static void RegisterLuaxPostprocess(Luax::LuaxState&); \
static const char* GetLuaxSingletonName() { return #type; }; \
static const char* GetLuaxClassName() { return #type; }; \
static bool IsLuaxClassSingleton() { return true; }
#define LUAX_DECL_METHOD(mtd) static int mtd(lua_State* L)
#define LUAX_DECL_ENUM(e, under_line_index) static void _luax_decl_enum_##e()
///
/// ʵֵĺꡣһL
///
#define LUAX_IMPL_METHOD(type, f) int type::f(lua_State* L)
///
/// Ӧóʵֵӿڡһstate
///
#define LUAX_REGISTRY(type) void type::RegisterLuaxClass(Luax::LuaxState& state)
#define LUAX_POSTPROCESS(type) void type::RegisterLuaxPostprocess(Luax::LuaxState& state)
///
/// עĺꡣ
///
#define LUAX_REGISTER_FACTORY(state, type) state.RegisterFactory<type>()
#define LUAX_REGISTER_SINGLETON(state, type) state.RegisterSingleton<type>()
#define LUAX_REGISTER_ABSTRACT_FACTORY(state, type) type::RegisterLuaxPostprocess(state)
#define LUAX_REGISTER_METHODS(state, ...) \
do{ \
luaL_Reg __m[] = {__VA_ARGS__,{0, 0}}; \
state.RegisterMethods(__m); \
}while(0)
#define LUAX_REGISTER_ENUM(state, name, ...) \
do{ \
Luax::LuaxEnum __e[] = {__VA_ARGS__,{0, 0}}; \
state.RegisterEnum(name, __e); \
}while(0)
#define LUAX_PREPARE(L, T) \
LUAX_STATE(L); \
T* self = state.GetUserdata<T>(1);
#define LUAX_INHERIT(state, type) type::RegisterLuaxClass(state)
///
/// ࣬Ϊʵֶ̬ҪЩӿڵⲿҪ̳д֮࣬оͻ
/// öӦʵķע̳дʱʵķʵLuaxNativeClassУʵֻ
/// ¶ԡ
///
/// Effective C++40ڱʹvirtual base£Ӧþܱз
/// ݳԱݳԱʼɵһЩ⡣һ㣬vpbӽӽC#Java
/// InterfaceԣIͷʶһӿڡ
///
class ILuaxNativeAccessor
{
public:
///
/// Աùʵref tableáȡ
///
virtual bool PushLuaxMemberRef(LuaxState& state, int refID) { assert(false); return false; };
virtual bool PushLuaxUserdata(LuaxState& state) { assert(false); return false; };
virtual bool PushLuaxMemberTable(LuaxState& state) { assert(false); return false; };
virtual bool PushLuaxRefTable(LuaxState& state) { assert(false); return false; };
};
///
/// Ҫ¶luanative classҪ̳дࡣͨluaʵҪȷüȷԣ
/// ߳Ҫȷͷš
///
template<class T>
class LuaxNativeClass : virtual public ILuaxNativeAccessor
{
public:
static bool IsTypeOf(ILuaxNativeAccessor);
///
/// userdataΪkeyref tableuserdataһãάuserdataڡ
/// Ƚmember refʵᱻαͬʵõƵЩʵ壬
///luaƵĵgc⡣
///
template<class U> void LuaxRetain(LuaxState& state, U* userdata);
///
/// userdataһref tableԳԻuserdata
///
template<class U> void LuaxRelease(LuaxState& state, U* userdata);
bool PushLuaxMemberRef(LuaxState& state, int refID) override;
///
/// userdata pushջûгʼmUserdataʼúԪѳʼõ
/// userdataջһáһnativeȨƽluaƵķ
///
bool PushLuaxUserdata(LuaxState& state);
bool PushLuaxMemberTable(LuaxState& state);
bool PushLuaxRefTable(LuaxState& state);
protected:
///
/// Աùʵref tableáȡ
///
void SetLuaxMemberRef(LuaxState& state, LuaxMemberRef& memRef, int idx);
bool PushLuaxMemberRef(LuaxState& state, LuaxMemberRef& memRef);
void ClearLuaxMemberRef(LuaxState& state, LuaxMemberRef& memRef);
LuaxNativeClass();
virtual ~LuaxNativeClass();
private:
friend class LuaxState;
static void RegisterLuaxClass(LuaxState& state);
static void RegisterLuaxFactoryClass(LuaxState& state);
static void RegisterLuaxSingletonClass(LuaxState& state);
static void SetLuaxClassTableRef(LuaxState& state, int idx);
static void PushLuaxClassTable(LuaxState& state);
///
/// ȡַҪַֻͨڶϴʵõջϺ;̬ı
/// ȡַ֤üȷҪãʹôݶǴݵַ
///
//void* operator &();
///
/// userdataʵstate
///
void BindToLua(LuaxState& state);
///
/// class table͵С
///
static LuaxStrongRef mClassTable;
///
/// ǵsingletonùϵԱ֤ᱻͨref table
/// ijԱȫڵģֱ_LUAX_STRONGREF_TABLEuserdata
/// LuaxRetain\LuaxReleasemember refʱʵͬǴref table
/// ģtable_LUAX_STRONGREF_TABLE
///
static LuaxStrongRef mSingletonRefTable;
///
/// ͨuserdataõ:
/// 1: ref table
/// 2: member table
/// 3: class table
///
LuaxWeakRef mUserdata;
//
LUAX_DECL_METHOD( _Tostring );
LUAX_DECL_METHOD( l_GetClass );
LUAX_DECL_METHOD( l_GetClassName );
//
LUAX_DECL_METHOD( _GC );
#if LUAX_ENABLE_NATIVE_EXTEND
LUAX_DECL_METHOD( l_ExtendFactory );
#endif
LUAX_DECL_METHOD( l_GetRefTable );
LUAX_DECL_METHOD( l_New );
//
#if LUAX_ENABLE_NATIVE_EXTEND
LUAX_DECL_METHOD( l_ExtendSingleton );
#endif
};
//--------------------------------------------------------------------------------//
#if LUAX_ENABLE_PLAIN_CLASS
///
/// lua
///
class LuaxPlainClass
{
public:
///
/// עںͨregistry()עࡣ
///
static int registry(lua_State* L);
LUAX_DECL_METHOD( _Tostring );
LUAX_DECL_METHOD( l_Extend );
LUAX_DECL_METHOD( l_New );
LUAX_DECL_METHOD( l_TypeOf );
};
#endif
}
#endif
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