transmission/qt/Formatter.h

/*
 * This file Copyright (C) 2012-2015 Mnemosyne LLC
 *
 * It may be used under the GNU GPL versions 2 or 3
 * or any future license endorsed by Mnemosyne LLC.
 *
 */

#pragma once

#include <cstdint> // int64_t

#include <QCoreApplication>
#include <QString>

class Speed;

class Formatter
{
    Q_DECLARE_TR_FUNCTIONS (Formatter)

  public:
    enum Size
    {
      B,
      KB,
      MB,
      GB,
      TB
    };

    enum Type
    {
      SPEED,
      SIZE,
      MEM
    };

  public:
    static QString memToString (int64_t bytes);
    static QString sizeToString (int64_t bytes);
    static QString speedToString (const Speed& speed);
    static QString percentToString (double x);
    static QString ratioToString (double ratio);
    static QString timeToString (int seconds);
    static QString uploadSpeedToString (const Speed& up);
    static QString downloadSpeedToString (const Speed& down);

    static QString unitStr (Type t, Size s) { return unitStrings[t][s]; }
    static void initUnits ();

  private:
    static QString unitStrings[3][5];
};