//static
std::string OTAssetContract::formatLongAmount(int64_t & lOriginalValue, int32_t nFactor/*=100*/, int32_t nPower/*=2*/, const char * szSymbol/*=""*/,
const char * szSeparator/*=","*/, const char * szDecimalPoint/*="."*/)
{
std::stringstream sss;
OTString strRemainder;
// --------------------------------------------------
// If the original value is 0, we still want to format the
// string properly for a 0 value. (And then return.)
//
if (0 == lOriginalValue)
{
sss << szSymbol << " "; // Currency symbol
if (!(nFactor < 2))
{
sss << szDecimalPoint;
strRemainder.Format("%0*ld", nPower, 0);
}
else
strRemainder.Format("%lld", 0);
sss << strRemainder.Get();
return sss.str();
}
// --------------------------------------------------
int64_t lAbsoluteValue = (lOriginalValue > 0) ? lOriginalValue : (lOriginalValue * (-1));
// --------------------------------------------------
int64_t lValue = lAbsoluteValue / nFactor; // For example, if 506 is supposed to be $5.06, then dividing 506 by factor of 100 results in 5 dollars.
int64_t lRemainder = lAbsoluteValue % nFactor; // For example, if 506 is supposed to be $5.06, then 506 mod 100 results in 6 cents.
if (nFactor < 2) // Basically, if nFactor is 1.
strRemainder.Set("");
else
strRemainder.Format("%0*ld", nPower, lRemainder); // If remainder is 6 (cents) and nPower is 2, strRemainder gets set here to 06.
// ------------------------------------------------------
// Here we add the negative sign, if the value itself is negative.
//
if (lOriginalValue < 0)
{
// const std::moneypunct<char, false> &mp = std::use_facet< std::moneypunct<char, false> >(std::locale ());
// sss << mp.negative_sign();
// For some reason the above code isn't working, so I've got the negative sign
// hardcoded here to '-'.
//
sss << "-";
}
// ------------------------------------------------------
// Here we add the currency symbol.
//
sss << szSymbol << " "; // Currency symbol
// ------------------------------------------------------
OTString strValue;
strValue.Format("%lld", lValue);
// ---------------------------------
char cTemp = '\0';
uint32_t uValueStrLength = strValue.GetLength();
// ---------------------------------
// Here we add the main body of the amount, including separators (commas.)
//
while (uValueStrLength > 0)
{
cTemp = strValue.sgetc();
sss << cTemp;
--uValueStrLength;
if ((uValueStrLength > 0) && (0 == (uValueStrLength % 3)))
sss << szSeparator;
}
// ------------------------------------------------------
// Here we deal with the decimal point, etc.
//
if (!(nFactor < 2))
{
sss << szDecimalPoint;
// -----------------------------
sss << strRemainder.Get();
}
// -----------------------------
return sss.str();
}
