internal static string FormatNumber(NumberStore ns, int precision, NumberFormatInfo nfi)
{
precision = (precision >= 0 ? precision : nfi.NumberDecimalDigits);
StringBuilder sb = new StringBuilder(ns.IntegerDigits * 3 + precision);
ns.RoundDecimal(precision);
bool needNegativeSign = (!ns.Positive && !ns.ZeroOnly);
if (needNegativeSign)
{
switch (nfi.NumberNegativePattern)
{
case 0:
sb.Append('(');
break;
case 1:
sb.Append(nfi.NegativeSign);
break;
case 2:
sb.Append(nfi.NegativeSign);
sb.Append(' ');
break;
}
}
ns.AppendIntegerStringWithGroupSeparator(sb, nfi.NumberGroupSizes, nfi.NumberGroupSeparator);
if (precision > 0)
{
sb.Append(nfi.NumberDecimalSeparator);
ns.AppendDecimalString(precision, sb);
}
if (needNegativeSign)
{
switch (nfi.NumberNegativePattern)
{
case 0:
sb.Append(')');
break;
case 3:
sb.Append(nfi.NegativeSign);
break;
case 4:
sb.Append(' ');
sb.Append(nfi.NegativeSign);
break;
}
}
return sb.ToString();
}
internal static string FormatPercent(NumberStore ns, int precision, NumberFormatInfo nfi)
{
precision = (precision >= 0 ? precision : nfi.PercentDecimalDigits);
ns.Multiply10(2);
ns.RoundDecimal(precision);
bool needNegativeSign = (!ns.Positive && !ns.ZeroOnly);
StringBuilder sb = new StringBuilder(ns.IntegerDigits * 2 + precision + 16);
if (!needNegativeSign)
{
if (nfi.PercentPositivePattern == 2)
{
sb.Append(nfi.PercentSymbol);
}
}
else
{
switch (nfi.PercentNegativePattern)
{
case 0:
sb.Append(nfi.NegativeSign);
break;
case 1:
sb.Append(nfi.NegativeSign);
break;
case 2:
sb.Append(nfi.NegativeSign);
sb.Append(nfi.PercentSymbol);
break;
}
}
ns.AppendIntegerStringWithGroupSeparator(sb, nfi.PercentGroupSizes, nfi.PercentGroupSeparator);
if (precision > 0)
{
sb.Append(nfi.PercentDecimalSeparator);
ns.AppendDecimalString(precision, sb);
}
if (!needNegativeSign)
{
switch (nfi.PercentPositivePattern)
{
case 0:
sb.Append(' ');
sb.Append(nfi.PercentSymbol);
break;
case 1:
sb.Append(nfi.PercentSymbol);
break;
}
}
else
{
switch (nfi.PercentNegativePattern)
{
case 0:
sb.Append(' ');
sb.Append(nfi.PercentSymbol);
break;
case 1:
sb.Append(nfi.PercentSymbol);
break;
}
}
return sb.ToString();
}
internal static string FormatCurrency(NumberStore ns, int precision, NumberFormatInfo nfi)
{
precision = (precision >= 0 ? precision : nfi.CurrencyDecimalDigits);
ns.RoundDecimal(precision);
StringBuilder sb = new StringBuilder(ns.IntegerDigits * 2 + precision * 2 + 16);
bool needNegativeSign = !ns.Positive && !ns.ZeroOnly;
if (!needNegativeSign)
{
switch (nfi.CurrencyPositivePattern)
{
case 0:
sb.Append(nfi.CurrencySymbol);
break;
case 2:
sb.Append(nfi.CurrencySymbol);
sb.Append(' ');
break;
}
}
else
{
switch (nfi.CurrencyNegativePattern)
{
case 0:
sb.Append('(');
sb.Append(nfi.CurrencySymbol);
break;
case 1:
sb.Append(nfi.NegativeSign);
sb.Append(nfi.CurrencySymbol);
break;
case 2:
sb.Append(nfi.CurrencySymbol);
sb.Append(nfi.NegativeSign);
break;
case 3:
sb.Append(nfi.CurrencySymbol);
break;
case 4:
sb.Append('(');
break;
case 5:
sb.Append(nfi.NegativeSign);
break;
case 8:
sb.Append(nfi.NegativeSign);
break;
case 9:
sb.Append(nfi.NegativeSign);
sb.Append(nfi.CurrencySymbol);
sb.Append(' ');
break;
case 11:
sb.Append(nfi.CurrencySymbol);
sb.Append(' ');
break;
case 12:
sb.Append(nfi.CurrencySymbol);
sb.Append(' ');
sb.Append(nfi.NegativeSign);
break;
case 14:
sb.Append('(');
sb.Append(nfi.CurrencySymbol);
sb.Append(' ');
break;
case 15:
sb.Append('(');
break;
}
}
ns.AppendIntegerStringWithGroupSeparator(sb, nfi.CurrencyGroupSizes, nfi.CurrencyGroupSeparator);
if (precision > 0)
{
sb.Append(nfi.CurrencyDecimalSeparator);
ns.AppendDecimalString(precision, sb);
}
if (!needNegativeSign)
{
switch (nfi.CurrencyPositivePattern)
{
case 1:
sb.Append(nfi.CurrencySymbol);
break;
case 3:
sb.Append(' ');
sb.Append(nfi.CurrencySymbol);
break;
}
}
else
{
switch (nfi.CurrencyNegativePattern)
{
case 0:
sb.Append(')');
break;
case 3:
sb.Append(nfi.NegativeSign);
break;
case 4:
sb.Append(nfi.CurrencySymbol);
sb.Append(')');
break;
case 5:
sb.Append(nfi.CurrencySymbol);
break;
case 6:
sb.Append(nfi.NegativeSign);
sb.Append(nfi.CurrencySymbol);
break;
case 7:
sb.Append(nfi.CurrencySymbol);
sb.Append(nfi.NegativeSign);
break;
case 8:
sb.Append(' ');
sb.Append(nfi.CurrencySymbol);
break;
case 10:
sb.Append(' ');
sb.Append(nfi.CurrencySymbol);
sb.Append(nfi.NegativeSign);
break;
case 11:
sb.Append(nfi.NegativeSign);
break;
case 13:
sb.Append(nfi.NegativeSign);
sb.Append(' ');
sb.Append(nfi.CurrencySymbol);
break;
case 14:
sb.Append(')');
break;
case 15:
sb.Append(' ');
sb.Append(nfi.CurrencySymbol);
sb.Append(')');
break;
}
}
return sb.ToString();
}
