Method numberToString

core/script/js_util.cpp:172–205

Converts a Number to a String using the given separator style * * String numberToString( Number number, int formatStyle, int precision, int separatorStyle ) * * formatStyle is an integer denoting format style * 0 => default format style * 1 => fixed format style * * sepStyle is an integer denoting separator style * 0 => . as decimal separator , as thousand sep

 *          4 => . as decimal separator     ’ as thousand separators => 1’234.56%
 */
QString JSUtil::numberToString(double number, int formatStyle, int precision, int separatorStyle) const
{
    if (std::isnan(number)) {
        return QStringLiteral("NaN");
    }

    std::wostringstream oss;
    std::numpunct<wchar_t> *customFormatter;
    switch (separatorStyle) {
    case 1:
        customFormatter = new Style1();
        break;
    case 2:
        customFormatter = new Style2();
        break;
    case 3:
        customFormatter = new Style3();
        break;
    case 4:
        customFormatter = new Style4();
        break;
    default:
        customFormatter = new Style0();
        break;
    }
    oss.imbue(std::locale(oss.getloc(), customFormatter));

    if (formatStyle == 1) {
        std::fixed(oss);
    }
    oss << std::setprecision(precision) << number;

    return QString::fromStdWString(oss.str());
}

/** Converts a String to a Number trying with the current locale first and
 * if that fails trying with the reverse locale for the decimal separator