gcc/libstdc++-v3/testsuite/util/io/prog_bar.hpp
2022-01-03 10:42:10 +01:00

87 lines
2.2 KiB
C++

// -*- C++ -*-
// Copyright (C) 2005-2022 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This 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, or (at your option) any later
// version.
// This 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 this library; see the file COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
// Permission to use, copy, modify, sell, and distribute this software
// is hereby granted without fee, provided that the above copyright
// notice appears in all copies, and that both that copyright notice
// and this permission notice appear in supporting documentation. None
// of the above authors, nor IBM Haifa Research Laboratories, make any
// representation about the suitability of this software for any
// purpose. It is provided "as is" without express or implied
// warranty.
/**
* @file prog_bar.hpp
* Contains a progress bar - idea taken from boost::timer by Beman Dawes.
*/
#ifndef PB_DS_PROG_BAR_HPP
#define PB_DS_PROG_BAR_HPP
#include <limits.h>
#include <iostream>
#include <string>
namespace __gnu_pbds
{
namespace test
{
/**
* Progress bar.
* Simplified from part of boost::timer by Beman Dawes.
**/
class prog_bar
{
protected:
enum{num_disp = 40};
public:
prog_bar(std::size_t max, std::ostream& r_os, bool display = true);
void
inc();
private:
prog_bar(const prog_bar& );
prog_bar&
operator=(const prog_bar& );
private:
std::size_t m_cur;
const std::size_t m_max;
std::size_t m_cur_disp;
std::ostream& m_r_os;
bool m_display;
};
} // namespace test
} // namespace __gnu_pbds
#endif // #ifndef PB_DS_PROG_BAR_HPP