Index.h

#ifndef _theplu_yat_utility_index_
#define _theplu_yat_utility_index_

// $Id: Index.h 4207 2022-08-26 04:36:28Z peter $

/*
  Copyright (C) 2008 Jari Häkkinen, Peter Johansson
  Copyright (C) 2009, 2022 Peter Johansson

  This file is part of the yat library, http://dev.thep.lu.se/yat

  The yat library 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 3 of the
  License, or (at your option) any later version.

  The yat library 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
  General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with yat. If not, see <http://www.gnu.org/licenses/>.
*/

#include "SmartPtr.h"

#include <vector>

namespace theplu {
namespace yat {
namespace utility {

  class Index
  {
  public:
    typedef std::vector<size_t>::const_iterator const_iterator;

    Index(void);

    explicit Index(size_t n);

    Index(const Index& a, const Index& b);

    explicit Index(const SmartPtr<const std::vector<size_t> >& vec);

    explicit Index(const std::vector<size_t>& vec);

    const_iterator begin(void) const;

    const_iterator end(void) const;

    const size_t& operator[](size_t) const;

    size_t size(void) const;

    const std::vector<size_t>& vector(void) const;

  private:
    // using compiler generated copy
    // Index(const Index&);
    // const Index& operator=(const Index&);

    SmartPtr<const std::vector<size_t> > index_;
  };

}}} // of namespace utility, yat, and theplu

#endif