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HxImgFtorTable.h

/*
 *  Copyright (c) 1999, University of Amsterdam, The Netherlands.
 *  All rights reserved.
 *
 *  Author(s):
 *  Edo Poll                (poll@wins.uva.nl)
 *  Marc Navarro            (mnavarro@wins.uva.nl)
 *  Dennis Koelma           (koelma@wins.uva.nl)
 */

#ifndef HxImgFtorTable_h
#define HxImgFtorTable_h

#include "HxString.h"
#include "HxImgFtorKey.h"
#include "HxIoFwd.h"

#include <map>

class HxImgFunctor;
class HxImgFtorObserver;


class L_HXIMAGEREP HxImgFtorTable
{
public:

    static HxImgFtorTable&  instance();

    void                    insert(const HxImgFtorKey& key, HxImgFunctor* f);

    HxImgFunctor*           find(const HxImgFtorKey& key);

    void                    addImgFtorObserver(HxImgFtorObserver*);

    STD_OSTREAM&            put(STD_OSTREAM&) const;

                            ~HxImgFtorTable();

protected:
                            HxImgFtorTable();
                            HxImgFtorTable(const HxImgFtorTable&);

private:
    typedef std::map<HxImgFtorKey,
        HxImgFunctor*, std::less<HxImgFtorKey> >    Map;
    typedef std::list<HxImgFtorObserver*>           ObserverList;

#pragma warning (disable : 4251)
    Map                     _map;
    ObserverList            _observerList;
#pragma warning (default : 4251)
};

inline STD_OSTREAM& 
operator << (STD_OSTREAM& os,const HxImgFtorTable& t)
{
    return t.put(os);
}


#endif

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