progress_indicator_terminal.h

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// -*- mode: c++; tab-width: 4; indent-tabs-mode: t; c-file-style: "stroustrup"; -*-
// vi:set ts=4 sts=4 sw=4 noet :
// Copyright 2008, The TPIE development team
// 
// This file is part of TPIE.
// 
// TPIE is free software: you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License as published by the
// Free Software Foundation, either version 3 of the License, or (at your
// option) any later version.
// 
// TPIE 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 Lesser General Public
// License for more details.
// 
// You should have received a copy of the GNU Lesser General Public License
// along with TPIE.  If not, see <http://www.gnu.org/licenses/>
 
 
#ifndef _TPIE_PROGRESS_INDICATOR_TERMINAL_H
#define _TPIE_PROGRESS_INDICATOR_TERMINAL_H
 
#include <tpie/portability.h>
 
#include <tpie/progress_indicator_base.h>
 
namespace tpie {
 
 
class progress_indicator_terminal : public progress_indicator_base {
private:
    progress_indicator_terminal(const progress_indicator_terminal& other);
 
public:
 
    progress_indicator_terminal(const char * title, stream_size_type range, std::ostream & os = std::cout) : 
        progress_indicator_base(range), m_title(title), m_os(os) {}
 
  // ////////////////////////////////////////////////////////////////////
  // ///  Copy-constructor.
  // ////////////////////////////////////////////////////////////////////
      //    progress_indicator_terminal(const progress_indicator_terminal& other) : 
  //        progress_indicator_base(other), m_title("") {
  //        *this = other;
  //    }
 
  // ////////////////////////////////////////////////////////////////////
  // ///  Assignment operator.
  // ////////////////////////////////////////////////////////////////////
 
  //    progress_indicator_terminal& operator=(const progress_indicator_terminal& other) 
  //    {
  //        if (this != &other) 
  //        {
  //            progress_indicator_base::operator=(other);
  //            m_title = other.m_title;
  //            m_description = other.m_description;
  //        }
  //        return *this;
  //    }
 
 
    virtual ~progress_indicator_terminal() 
    {};
    
 
    void done() {
        m_current = m_range;
        refresh();
        m_os << std::endl;
    }
 
  
 
    void set_title(const std::string& title) 
    {
        m_title = title;
        m_os << title << std::endl;
    }
 
 
    virtual void refresh() {
        m_os << '\r' << m_title << ' ';
        display_percentage();
        m_os << std::flush;
    }
    
protected:
 
    
    
    void display_percentage() 
    {
        //if (m_percentageUnit) {
        //  std::cout << std::setw(6) << std::setiosflags(std::ios::fixed) << std::setprecision(2) 
        //           << ((static_cast<double>(m_current) * 100.0) / 
        //               static_cast<double>(m_percentageUnit))
        //           << "%";
        //}
        //else {
        //      std::cout << 
        //}
        stream_size_type r = (m_current) * 100 / (m_range);
        m_os << r << '%';
    }
    
    std::string m_title;
    
private:    
    progress_indicator_terminal();
 
    std::ostream & m_os;
};
}  //  tpie namespace
 
#endif // _PROGRESS_INDICATOR_TERMINAL