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// Copyright 2011 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_BASE_TEXT_BYTES_FORMATTING_H_
#define UI_BASE_TEXT_BYTES_FORMATTING_H_
#include <string>
#include "base/byte_size.h"
#include "base/component_export.h"
namespace ui {
// Simple API ------------------------------------------------------------------
// Simple call to return a byte quantity as a string in human-readable format.
//
// For example:
// FormatBytes(base::ByteSize(512)) => "512 B"
// FormatBytes(base::ByteSize(101479)) => "99.1 kB"
COMPONENT_EXPORT(UI_BASE) std::u16string FormatBytes(base::ByteSize bytes);
// Simple call to return a speed as a string in human-readable format.
//
// For example:
// FormatSpeed(base::ByteSize(512)) => "512 B/s"
// FormatSpeed(base::ByteSize(101479)) => "99.1 kB/s"
COMPONENT_EXPORT(UI_BASE) std::u16string FormatSpeed(base::ByteSize bytes);
// Less-Simple API -------------------------------------------------------------
enum class DataUnits {
kByte = 0,
kKibibyte,
kMebibyte,
kGibibyte,
kTebibyte,
kPebibyte
};
// Return the unit type that is appropriate for displaying the amount of bytes
// passed in. Most of the time, an explicit call to this isn't necessary; just
// use FormatBytes()/FormatSpeed() above.
COMPONENT_EXPORT(UI_BASE) DataUnits GetByteDisplayUnits(base::ByteSize bytes);
// Return a byte quantity as a string in human-readable format with an optional
// unit suffix. Specify in the `units` argument the units to be used.
//
// For example:
// FormatBytes(base::ByteSize(512), DataUnits::kKibibyte, true) => "0.5 kB"
// FormatBytes(base::KiB(10), DataUnits::kMebibyte, false) => "0.1"
COMPONENT_EXPORT(UI_BASE)
std::u16string FormatBytesWithUnits(base::ByteSize bytes,
DataUnits units,
bool show_units);
// As above, but with "/s" units for speed values.
//
// For example:
// FormatSpeed(base::ByteSize(512), DataUnits::kKibibyte, true) => "0.5 kB/s"
// FormatSpeed(base::KiB(10), DataUnits::kMebibyte, false) => "0.1"
COMPONENT_EXPORT(UI_BASE)
std::u16string FormatSpeedWithUnits(base::ByteSize bytes,
DataUnits units,
bool show_units);
} // namespace ui
#endif // UI_BASE_TEXT_BYTES_FORMATTING_H_
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