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transmission/qt/Formatter.h

63 lines
1.4 KiB
C++

// This file Copyright © 2012-2022 Mnemosyne LLC.
// It may be used under GPLv2 (SPDX: GPL-2.0), GPLv3 (SPDX: GPL-3.0),
// or any future license endorsed by Mnemosyne LLC.
// License text can be found in the licenses/ folder.
#pragma once
#include <array>
#include <cstdint> // int64_t
#include <QCoreApplication> // Q_DECLARE_TR_FUNCTIONS
#include <QString>
class Speed;
class Formatter
{
Q_DECLARE_TR_FUNCTIONS(Formatter)
public:
enum Size
{
B,
KB,
MB,
GB,
TB,
NUM_SIZES
};
enum Type
{
SPEED,
SIZE,
MEM,
NUM_TYPES
};
static constexpr int SpeedBase = 1000;
static constexpr int SizeBase = 1000;
static constexpr int MemBase = 1024;
static Formatter& get();
QString memToString(int64_t bytes) const;
QString sizeToString(int64_t bytes) const;
QString sizeToString(uint64_t bytes) const;
QString speedToString(Speed const& speed) const;
QString percentToString(double x) const;
QString ratioToString(double ratio) const;
QString timeToString(int seconds) const;
QString uploadSpeedToString(Speed const& up) const;
QString downloadSpeedToString(Speed const& down) const;
QString unitStr(Type t, Size s) const;
protected:
Formatter();
private:
std::array<std::array<QString, Formatter::NUM_SIZES>, Formatter::NUM_TYPES> const UnitStrings;
};