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// *****************************************************************************
// * This file is part of the FreeFileSync project. It is distributed under *
// * GNU General Public License: http://www.gnu.org/licenses/gpl-3.0 *
// * Copyright (C) Zenju (zenju AT freefilesync DOT org) - All Rights Reserved *
// *****************************************************************************
#include "format_unit.h"
#include <cwchar> //swprintf
#include <ctime>
#include <cstdio>
#include "basic_math.h"
#include "i18n.h"
#include "time.h"
#include "globals.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 (numeric::abs(value) < 9.95) //9.99 must not be formatted as "10.0"
return printNumber<std::wstring>(L"%.1f", value);
return numberTo<std::wstring>(numeric::round(value));
}
std::wstring zen::formatThreeDigitPrecision(double value)
{
//print three digits: 0,01 | 0,11 | 1,11 | 11,1 | 111
if (numeric::abs(value) < 9.995) //9.999 must not be formatted as "10.00"
return printNumber<std::wstring>(L"%.2f", value);
if (numeric::abs(value) < 99.95) //99.99 must not be formatted as "100.0"
return printNumber<std::wstring>(L"%.1f", value);
return numberTo<std::wstring>(numeric::round(value));
}
std::wstring zen::filesizeToShortString(int64_t size)
{
//if (size < 0) return _("Error"); -> really?
if (numeric::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 /= 1024;
if (numeric::abs(sizeInUnit) < 999.5)
return formatUnit(_("%x KB"));
sizeInUnit /= 1024;
if (numeric::abs(sizeInUnit) < 999.5)
return formatUnit(_("%x MB"));
sizeInUnit /= 1024;
if (numeric::abs(sizeInUnit) < 999.5)
return formatUnit(_("%x GB"));
sizeInUnit /= 1024;
if (numeric::abs(sizeInUnit) < 999.5)
return formatUnit(_("%x TB"));
sizeInUnit /= 1024;
return formatUnit(_("%x PB"));
}
namespace
{
enum UnitRemTime
{
URT_SEC,
URT_MIN,
URT_HOUR,
URT_DAY
};
std::wstring formatUnitTime(int val, UnitRemTime unit)
{
switch (unit)
{
case URT_SEC:
return _P("1 sec", "%x sec", val);
case URT_MIN:
return _P("1 min", "%x min", val);
case URT_HOUR:
return _P("1 hour", "%x hours", val);
case URT_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 = numeric::round(timeInLow / blockSizeLow) * blockSizeLow;
std::wstring output = formatUnitTime(roundedtimeInLow / unitLowPerHigh, unitHigh);
if (unitLowPerHigh > blockSizeLow)
output += L" " + formatUnitTime(roundedtimeInLow % unitLowPerHigh, unitLow);
return output;
};
}
std::wstring zen::remainingTimeToString(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, URT_SEC, steps60, 1, URT_SEC, steps60);
timeInUnit /= 60;
if (timeInUnit <= 60)
return roundToBlock(timeInUnit, URT_MIN, steps60, 60, URT_SEC, steps60);
timeInUnit /= 60;
if (timeInUnit <= 24)
return roundToBlock(timeInUnit, URT_HOUR, steps24, 60, URT_MIN, steps60);
timeInUnit /= 24;
return roundToBlock(timeInUnit, URT_DAY, steps10, 24, URT_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::fractionToString(double fraction)
{
return printNumber<std::wstring>(L"%.2f", fraction * 100.0) + L'%'; //no need to internationalize fraction!?
}
std::wstring zen::ffs_Impl::includeNumberSeparator(const std::wstring& number)
{
//we have to include thousands separator ourselves; this doesn't work for all countries (e.g india), but is better than nothing
//::setlocale (LC_ALL, ""); -> implicitly called by wxLocale
const lconv* localInfo = ::localeconv(); //always bound according to doc
const std::wstring& thousandSep = utfCvrtTo<std::wstring>(localInfo->thousands_sep);
// THOUSANDS_SEPARATOR = std::use_facet<std::numpunct<wchar_t>>(std::locale("")).thousands_sep(); - why not working?
// DECIMAL_POINT = std::use_facet<std::numpunct<wchar_t>>(std::locale("")).decimal_point();
std::wstring output(number);
size_t i = output.size();
for (;;)
{
if (i <= 3)
break;
i -= 3;
if (!isDigit(output[i - 1])) //stop on +, - signs
break;
output.insert(i, thousandSep);
}
return output;
}
std::wstring zen::utcToLocalTimeString(int64_t utcTime)
{
auto errorMsg = [&] { return _("Error") + L" (time_t: " + numberTo<std::wstring>(utcTime) + L")"; };
TimeComp loc = getLocalTime(utcTime);
std::wstring dateString = formatTime<std::wstring>(L"%x %X", loc);
return !dateString.empty() ? dateString : errorMsg();
}
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