luavalue.hpp

/* Copyright (c) 2014-2015, The Nuria Project
 * The NuriaProject Framework is free software: you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 * 
 * The NuriaProject Framework is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with The NuriaProject Framework.
 * If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef NURIA_LUAVALUE_HPP
#define NURIA_LUAVALUE_HPP

#include <QSharedDataPointer>
#include <QVariant>
#include <QVector>

#include "lua_global.hpp"
#include "luaobject.hpp"

namespace Nuria {

class LuaMetaObjectWrapper;
class LuaValuePrivate;
class LuaMetaObject;
class LuaStackUtils;
class LuaRuntime;
class MetaObject;
class LuaObject;

class NURIA_LUA_EXPORT LuaValue {
public:
        
        enum Type {
                Nil = 0,
                Boolean = 1,
                LightUserData = 2,
                Number = 3,
                String = 4,
                Table = 5,
                Function = 6,
                UserData = 7,
                Thread = 8
        };
        
        LuaValue ();
        
        LuaValue (const LuaValue &other);
        
        LuaValue (const LuaObject &object);
        
        LuaValue (LuaRuntime *runtime, const QVariant &variant);
        ~LuaValue ();
        
        LuaValue &operator= (const LuaValue &other);
        
        Type type () const;
        
        LuaRuntime *runtime () const;
        
        bool isValid () const;
        
        QVariant toVariant () const;
        
        LuaObject object () const;
        
        static Type qtTypeToLua (int type);
        
        static LuaValue fromStack (LuaRuntime *runtime, int idx);
        
        
private:
        friend class LuaMetaObjectWrapper;
        friend class LuaMetaObject;
        friend class LuaStackUtils;
        friend class LuaRuntime;
        friend class LuaObject;
        
        // 
        void initValue (int idx);
        void setLuaObject (int idx);
        
        // 
        QExplicitlySharedDataPointer< LuaValuePrivate > d;
        
};

typedef QVector< LuaValue > LuaValues;

}

#endif // NURIA_LUAVALUE_HPP