92 lines
2.2 KiB
C++
92 lines
2.2 KiB
C++
// This file Copyright © 2012-2022 Mnemosyne LLC.
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// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
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// or any future license endorsed by Mnemosyne LLC.
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// License text can be found in the licenses/ folder.
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#pragma once
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#include <array>
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#include <cstdint> // int64_t
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#include <QCoreApplication> // Q_DECLARE_TR_FUNCTIONS
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#include <QString>
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#include "libtransmission/utils.h"
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#include "Speed.h"
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class Formatter
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{
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Q_DECLARE_TR_FUNCTIONS(Formatter)
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public:
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enum Size
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{
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B,
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KB,
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MB,
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GB,
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TB,
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NUM_SIZES
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};
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enum Type
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{
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SPEED,
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SIZE,
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MEM,
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NUM_TYPES
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};
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static constexpr int SpeedBase = 1000;
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static constexpr int SizeBase = 1000;
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static constexpr int MemBase = 1024;
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[[nodiscard]] static Formatter& get();
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[[nodiscard]] QString memToString(int64_t bytes) const;
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[[nodiscard]] QString sizeToString(int64_t bytes) const;
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[[nodiscard]] QString sizeToString(uint64_t bytes) const;
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[[nodiscard]] QString timeToString(int seconds) const;
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[[nodiscard]] QString unitStr(Type t, Size s) const;
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[[nodiscard]] auto speedToString(Speed const& speed) const
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{
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return QString::fromStdString(tr_formatter_speed_KBps(speed.getKBps()));
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}
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[[nodiscard]] auto uploadSpeedToString(Speed const& upload_speed) const
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{
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static auto constexpr UploadSymbol = QChar{ 0x25B4 };
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return tr("%1 %2").arg(speedToString(upload_speed)).arg(UploadSymbol);
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}
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[[nodiscard]] auto downloadSpeedToString(Speed const& download_speed) const
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{
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static auto constexpr DownloadSymbol = QChar{ 0x25BE };
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return tr("%1 %2").arg(speedToString(download_speed)).arg(DownloadSymbol);
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}
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[[nodiscard]] auto percentToString(double x) const
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{
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return QString::fromStdString(tr_strpercent(x));
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}
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[[nodiscard]] auto ratioToString(double ratio) const
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{
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static auto constexpr InfinitySymbol = "\xE2\x88\x9E";
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return QString::fromStdString(tr_strratio(ratio, InfinitySymbol));
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}
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protected:
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Formatter();
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private:
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std::array<std::array<QString, Formatter::NUM_SIZES>, Formatter::NUM_TYPES> const UnitStrings;
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};
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