terminal.hpp

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// --------------------------------------------------------------------------------------------------------
// Copyright (c) 2006-2022, Knut Reinert & Freie Universität Berlin
// Copyright (c) 2016-2022, Knut Reinert & MPI für molekulare Genetik
// This file may be used, modified and/or redistributed under the terms of the 3-clause BSD-License
// shipped with this file and also available at: https://github.com/seqan/sharg-parser/blob/main/LICENSE.md
// --------------------------------------------------------------------------------------------------------
 
#pragma once
 
#ifndef _WIN32
#    include <sys/ioctl.h>
#else
#    include <windows.h>
#endif
 
#include <cstdio>
#include <unistd.h>
 
#include <sharg/platform.hpp>
 
namespace sharg::detail
{
 
// ----------------------------------------------------------------------------
// Function is_terminal()
// ----------------------------------------------------------------------------
 
inline bool is_terminal()
{
#ifndef _WIN32
    return isatty(STDOUT_FILENO);
#else
    return false;
#endif
}
 
// ----------------------------------------------------------------------------
// Function get_terminal_size()
// ----------------------------------------------------------------------------
 
inline unsigned get_terminal_width()
{
#ifndef _WIN32
 
    struct winsize w;
    w.ws_row = 0;
    w.ws_col = 0;
 
    ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
 
    return w.ws_col;
#else
    return 80; // not implemented in windows
#endif
}
 
} // namespace sharg::detail