vpMomentDatabase.h

/****************************************************************************
 *
 * ViSP, open source Visual Servoing Platform software.
 * Copyright (C) 2005 - 2019 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 as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 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 _vpMomentDatabase_h_
#define _vpMomentDatabase_h_

#include <visp3/core/vpImage.h>

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

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