ProgressBar.h

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/*
 *  CepGen: a central exclusive processes event generator
 *  Copyright (C) 2013-2021  Laurent Forthomme
 *
 *  This program 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
 *  any later version.
 *
 *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef CepGen_Utils_ProgressBar_h
#define CepGen_Utils_ProgressBar_h
 
#include <string>
 
namespace cepgen {
  namespace utils {
    class Timer;
    class ProgressBar {
    public:
      explicit ProgressBar(size_t tot, size_t freq = 10);
      ~ProgressBar();
      void update(size_t iter) const;
 
    private:
      std::unique_ptr<Timer> tmr_;
      const size_t bar_length_;
      const std::string bar_pattern_;
      const bool enabled_;
      size_t total_, frequency_;
    };
  }  // namespace utils
}  // namespace cepgen
 
#endif