OgreUserObjectBindings.h

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/*
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This source file is part of OGRE
(Object-oriented Graphics Rendering Engine)
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Copyright (c) 2000-2014 Torus Knot Software Ltd

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*/
#ifndef _UserObjectsBinding_H__
#define _UserObjectsBinding_H__

#include "OgrePrerequisites.h"
#include "OgreAny.h"
#include "OgreHeaderPrefix.h"

namespace Ogre {

    class _OgreExport UserObjectBindings : public GeneralAllocatedObject
    {
    public: 
        UserObjectBindings();

        virtual ~UserObjectBindings();

        void setUserAny(const Any& anything);

        const Any& getUserAny(void) const;

        void setUserAny(const String& key, const Any& anything);

        const Any& getUserAny(const String& key) const;

        void eraseUserAny(const String& key);

        void clear() const;

        static const Any& getEmptyUserAny() { return msEmptyAny; }

    // Types.
    protected:      
        typedef map<String, Any>::type          UserObjectsMap;
        typedef UserObjectsMap::iterator        UserObjectsMapIterator;
        typedef UserObjectsMap::const_iterator  UserObjectsMapConstIterator;

        class Attributes : public GeneralAllocatedObject
        {
        public:
            Attributes() : mUserObjectsMap(NULL) {}

            ~Attributes()
            {
                if (mUserObjectsMap != NULL)
                {
                    OGRE_DELETE mUserObjectsMap;
                    mUserObjectsMap = NULL;
                }               
            }

            Any                 mKeylessAny;        // Will hold key less associated user object for fast access.   
            UserObjectsMap*     mUserObjectsMap;    // Will hold a map between user keys to user objects.
        };

    // Attributes.
    private:
        static Any              msEmptyAny;         // Shared empty any object.
        mutable Attributes*     mAttributes;        // Class attributes - will be allocated on demand.
        
    };

}

#include "OgreHeaderSuffix.h"

#endif