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// *****************************************************************************
// * This file is part of the FreeFileSync project. It is distributed under *
// * GNU General Public License: https://www.gnu.org/licenses/gpl-3.0 *
// * Copyright (C) Zenju (zenju AT freefilesync DOT org) - All Rights Reserved *
// *****************************************************************************
#include "format_unit.h"
#include <ctime>
#include <cstdio>
#include <stdexcept>
#include "basic_math.h"
#include "sys_error.h"
#include "i18n.h"
#include "time.h"
#include "globals.h"
#include "utf.h"
#include <iostream>
#include <langinfo.h>
#include <clocale> //thousands separator
#include "utf.h" //
using namespace zen;
std::wstring zen::formatTwoDigitPrecision(double value)
{
//print two digits: 0,1 | 1,1 | 11
if (std::abs(value) < 9.95) //9.99 must not be formatted as "10.0"
return printNumber<std::wstring>(L"%.1f", value);
return numberTo<std::wstring>(std::llround(value));
}
std::wstring zen::formatThreeDigitPrecision(double value)
{
//print three digits: 0,01 | 0,11 | 1,11 | 11,1 | 111
if (std::abs(value) < 9.995) //9.999 must not be formatted as "10.00"
return printNumber<std::wstring>(L"%.2f", value);
if (std::abs(value) < 99.95) //99.99 must not be formatted as "100.0"
return printNumber<std::wstring>(L"%.1f", value);
return numberTo<std::wstring>(std::llround(value));
}
std::wstring zen::formatFilesizeShort(int64_t size)
{
//if (size < 0) return _("Error"); -> really?
if (std::abs(size) <= 999)
return _P("1 byte", "%x bytes", static_cast<int>(size));
double sizeInUnit = static_cast<double>(size);
auto formatUnit = [&](const std::wstring& unitTxt) { return replaceCpy(unitTxt, L"%x", formatThreeDigitPrecision(sizeInUnit)); };
sizeInUnit /= bytesPerKilo;
if (std::abs(sizeInUnit) < 999.5)
return formatUnit(_("%x KB"));
sizeInUnit /= bytesPerKilo;
if (std::abs(sizeInUnit) < 999.5)
return formatUnit(_("%x MB"));
sizeInUnit /= bytesPerKilo;
if (std::abs(sizeInUnit) < 999.5)
return formatUnit(_("%x GB"));
sizeInUnit /= bytesPerKilo;
if (std::abs(sizeInUnit) < 999.5)
return formatUnit(_("%x TB"));
sizeInUnit /= bytesPerKilo;
return formatUnit(_("%x PB"));
}
namespace
{
enum class UnitRemTime
{
sec,
min,
hour,
day
};
std::wstring formatUnitTime(int val, UnitRemTime unit)
{
switch (unit)
{
case UnitRemTime::sec:
return _P("1 sec", "%x sec", val);
case UnitRemTime::min:
return _P("1 min", "%x min", val);
case UnitRemTime::hour:
return _P("1 hour", "%x hours", val);
case UnitRemTime::day:
return _P("1 day", "%x days", val);
}
assert(false);
return _("Error");
}
template <int M, int N>
std::wstring roundToBlock(double timeInHigh,
UnitRemTime unitHigh, const int (&stepsHigh)[M],
int unitLowPerHigh,
UnitRemTime unitLow, const int (&stepsLow)[N])
{
assert(unitLowPerHigh > 0);
const double granularity = 0.1;
const double timeInLow = timeInHigh * unitLowPerHigh;
const int blockSizeLow = granularity * timeInHigh < 1 ?
numeric::nearMatch(granularity * timeInLow, std::begin(stepsLow), std::end(stepsLow)):
numeric::nearMatch(granularity * timeInHigh, std::begin(stepsHigh), std::end(stepsHigh)) * unitLowPerHigh;
const int roundedtimeInLow = std::lround(timeInLow / blockSizeLow) * blockSizeLow;
std::wstring output = formatUnitTime(roundedtimeInLow / unitLowPerHigh, unitHigh);
if (unitLowPerHigh > blockSizeLow)
output += L' ' + formatUnitTime(roundedtimeInLow % unitLowPerHigh, unitLow);
return output;
}
}
std::wstring zen::formatRemainingTime(double timeInSec)
{
const int steps10[] = {1, 2, 5, 10};
const int steps24[] = {1, 2, 3, 4, 6, 8, 12, 24};
const int steps60[] = {1, 2, 5, 10, 15, 20, 30, 60};
//determine preferred unit
double timeInUnit = timeInSec;
if (timeInUnit <= 60)
return roundToBlock(timeInUnit, UnitRemTime::sec, steps60, 1, UnitRemTime::sec, steps60);
timeInUnit /= 60;
if (timeInUnit <= 60)
return roundToBlock(timeInUnit, UnitRemTime::min, steps60, 60, UnitRemTime::sec, steps60);
timeInUnit /= 60;
if (timeInUnit <= 24)
return roundToBlock(timeInUnit, UnitRemTime::hour, steps24, 60, UnitRemTime::min, steps60);
timeInUnit /= 24;
return roundToBlock(timeInUnit, UnitRemTime::day, steps10, 24, UnitRemTime::hour, steps24);
//note: for 10% granularity steps10 yields a valid blocksize only up to timeInUnit == 100!
//for larger time sizes this results in a finer granularity than expected: 10 days -> should not be a problem considering "usual" remaining time for synchronization
}
//std::wstring zen::fractionToString1Dec(double fraction)
//{
// return printNumber<std::wstring>(L"%.1f", fraction * 100.0) + L'%'; //no need to internationalize fraction!?
//}
std::wstring zen::formatFraction(double fraction)
{
return printNumber<std::wstring>(L"%.2f", fraction * 100.0) + L'%'; //no need to internationalize fraction!?
}
std::wstring zen::formatNumber(int64_t n)
{
//::setlocale (LC_ALL, ""); -> see localization.cpp::wxWidgetsLocale
static_assert(sizeof(long long int) == sizeof(n));
return printNumber<std::wstring>(L"%'lld", n); //considers grouping (')
}
std::wstring zen::formatUtcToLocalTime(time_t utcTime)
{
auto errorMsg = [&] { return _("Error") + L" (time_t: " + numberTo<std::wstring>(utcTime) + L')'; };
const TimeComp& loc = getLocalTime(utcTime);
std::wstring dateString = utfTo<std::wstring>(formatTime(Zstr("%x %X"), loc));
return !dateString.empty() ? dateString : errorMsg();
}
WeekDay impl::getFirstDayOfWeekImpl() //throw SysError
{
/* testing: change locale via command line
---------------------------------------
LC_TIME=en_DK.utf8 => Monday
LC_TIME=en_US.utf8 => Sunday */
const char* firstDay = ::nl_langinfo(_NL_TIME_FIRST_WEEKDAY); //[1-Sunday, 7-Saturday]
ASSERT_SYSERROR(firstDay && 1 <= *firstDay && *firstDay <= 7);
const int weekDayStartSunday = *firstDay;
const int weekDayStartMonday = (weekDayStartSunday - 1 + 6) % 7; //+6 == -1 in Z_7
// [0-Monday, 6-Sunday]
return static_cast<WeekDay>(weekDayStartMonday);
}
WeekDay zen::getFirstDayOfWeek()
{
static const WeekDay weekDay = []
{
try
{
return impl::getFirstDayOfWeekImpl(); //throw SysError
}
catch (const SysError& e)
{
throw std::runtime_error(std::string(__FILE__) + '[' + numberTo<std::string>(__LINE__) + "] Failed to get first day of the week." + "\n\n" +
utfTo<std::string>(e.toString()));
}
}();
return weekDay;
}
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