ladybird/AK/NumberFormat.cpp

88 lines
2.5 KiB
C++

/*
* Copyright (c) 2020-2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/NumberFormat.h>
namespace AK {
// FIXME: Remove this hackery once printf() supports floats.
static DeprecatedString number_string_with_one_decimal(u64 number, u64 unit, char const* suffix)
{
int decimal = (number % unit) * 10 / unit;
return DeprecatedString::formatted("{}.{} {}", number / unit, decimal, suffix);
}
DeprecatedString human_readable_size(u64 size)
{
if (size < 1 * KiB)
return DeprecatedString::formatted("{} B", size);
if (size < 1 * MiB)
return number_string_with_one_decimal(size, KiB, "KiB");
if (size < 1 * GiB)
return number_string_with_one_decimal(size, MiB, "MiB");
if (size < 1 * TiB)
return number_string_with_one_decimal(size, GiB, "GiB");
if (size < 1 * PiB)
return number_string_with_one_decimal(size, TiB, "TiB");
if (size < 1 * EiB)
return number_string_with_one_decimal(size, PiB, "PiB");
return number_string_with_one_decimal(size, EiB, "EiB");
}
DeprecatedString human_readable_size_long(u64 size)
{
if (size < 1 * KiB)
return DeprecatedString::formatted("{} bytes", size);
else
return DeprecatedString::formatted("{} ({} bytes)", human_readable_size(size), size);
}
DeprecatedString human_readable_time(i64 time_in_seconds)
{
auto days = time_in_seconds / 86400;
time_in_seconds = time_in_seconds % 86400;
auto hours = time_in_seconds / 3600;
time_in_seconds = time_in_seconds % 3600;
auto minutes = time_in_seconds / 60;
time_in_seconds = time_in_seconds % 60;
StringBuilder builder;
if (days > 0)
builder.appendff("{} day{} ", days, days == 1 ? "" : "s");
if (hours > 0)
builder.appendff("{} hour{} ", hours, hours == 1 ? "" : "s");
if (minutes > 0)
builder.appendff("{} minute{} ", minutes, minutes == 1 ? "" : "s");
builder.appendff("{} second{}", time_in_seconds, time_in_seconds == 1 ? "" : "s");
return builder.to_deprecated_string();
}
DeprecatedString human_readable_digital_time(i64 time_in_seconds)
{
auto hours = time_in_seconds / 3600;
time_in_seconds = time_in_seconds % 3600;
auto minutes = time_in_seconds / 60;
time_in_seconds = time_in_seconds % 60;
StringBuilder builder;
if (hours > 0)
builder.appendff("{:02}:", hours);
builder.appendff("{:02}:", minutes);
builder.appendff("{:02}", time_in_seconds);
return builder.to_deprecated_string();
}
}