vpMomentDatabase.h

/****************************************************************************
 *
 * This file is part of the ViSP software.
 * Copyright (C) 2005 - 2017 by Inria. All rights reserved.
 *
 * This software is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * ("GPL") version 2 as published by the Free Software Foundation.
 * See the file LICENSE.txt at the root directory of this source
 * distribution for additional information about the GNU GPL.
 *
 * For using ViSP with software that can not be combined with the GNU
 * GPL, please contact Inria about acquiring a ViSP Professional
 * Edition License.
 *
 * See http://visp.inria.fr for more information.
 *
 * This software was developed at:
 * Inria Rennes - Bretagne Atlantique
 * Campus Universitaire de Beaulieu
 * 35042 Rennes Cedex
 * France
 *
 * If you have questions regarding the use of this file, please contact
 * Inria at visp@inria.fr
 *
 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 * Description:
 * Pseudo-database used to handle dependencies between moments
 *
 * Authors:
 * Filip Novotny
 *
 *****************************************************************************/
#ifndef __MOMENTDATABASE_H__
#define __MOMENTDATABASE_H__

#include <visp3/core/vpImage.h>

#include <map>
#include <iostream>
#include <cstring>

class vpMoment;
class vpMomentObject;

class VISP_EXPORT vpMomentDatabase{
 private:
#ifndef DOXYGEN_SHOULD_SKIP_THIS
        struct cmp_str {
                bool operator()(char const *a, char const *b) const{
                        return std::strcmp(a, b) < 0;
                }
        };
#endif
        std::map<const char*,vpMoment*,cmp_str> moments;
        void add(vpMoment& moment, const char* name);
 public:
        vpMomentDatabase() : moments() {}
        virtual ~vpMomentDatabase() {}

        const vpMoment& get(const char* type, bool& found) const;
        vpMoment& get_first(){return *(moments.begin()->second);}

        virtual void updateAll(vpMomentObject& object);

        friend class vpMoment;
        friend VISP_EXPORT std::ostream & operator<<(std::ostream & os, const vpMomentDatabase& v);
};

#endif