static public string Format(object value, Section node, CultureInfo culture)
{
switch (node.Type)
{
case SectionType.Number:
// Hide sign under certain conditions and section index
var number = Convert.ToDouble(value, culture);
if ((node.SectionIndex == 0 && node.Condition != null) || node.SectionIndex == 1)
{
number = Math.Abs(number);
}
return(FormatNumber(number, node.Number, culture));
case SectionType.Date:
return(FormatDate(Convert.ToDateTime(value, culture), node.GeneralTextDateDurationParts, culture));
case SectionType.Duration:
return(FormatTimeSpan((TimeSpan)value, node.GeneralTextDateDurationParts, culture));
case SectionType.General:
case SectionType.Text:
return(FormatGeneralText(CompatibleConvert.ToString(value, culture), node.GeneralTextDateDurationParts));
case SectionType.Exponential:
return(FormatExponential(Convert.ToDouble(value, culture), node, culture));
case SectionType.Fraction:
return(FormatFraction(Convert.ToDouble(value, culture), node, culture));
default:
throw new InvalidOperationException("Unknown number format section");
}
}
static public string Format(object value, Section node, CultureInfo culture, bool isDate1904)
{
switch (node.Type)
{
case SectionType.Number:
// Hide sign under certain conditions and section index
var number = Convert.ToDouble(value, culture);
if ((node.SectionIndex == 0 && node.Condition != null) || node.SectionIndex == 1)
{
number = Math.Abs(number);
}
return(FormatNumber(number, node.Number, culture));
case SectionType.Date:
if (ExcelDateTime.TryConvert(value, isDate1904, culture, out var excelDateTime))
{
return(FormatDate(excelDateTime, node.GeneralTextDateDurationParts, culture));
}
else
{
throw new FormatException("Unexpected date value");
}
case SectionType.Duration:
if (value is TimeSpan ts)
{
return(FormatTimeSpan(ts, node.GeneralTextDateDurationParts, culture));
}
else
{
var d = Convert.ToDouble(value);
return(FormatTimeSpan(TimeSpan.FromDays(d), node.GeneralTextDateDurationParts, culture));
}
case SectionType.General:
case SectionType.Text:
return(FormatGeneralText(CompatibleConvert.ToString(value, culture), node.GeneralTextDateDurationParts));
case SectionType.Exponential:
return(FormatExponential(Convert.ToDouble(value, culture), node, culture));
case SectionType.Fraction:
return(FormatFraction(Convert.ToDouble(value, culture), node, culture));
default:
throw new InvalidOperationException("Unknown number format section");
}
}
static public string Format(object value, string formatString, CultureInfo culture)
{
var format = new NumberFormat(formatString);
if (!format.IsValid)
{
return(CompatibleConvert.ToString(value, culture));
}
var section = Evaluator.GetSection(format.Sections, value);
if (section == null)
{
return(CompatibleConvert.ToString(value, culture));
}
return(Format(value, section, culture));
}
/// <summary>
/// Formats a value with this number format in a specified culture.
/// </summary>
/// <param name="value">The value to format.</param>
/// <param name="culture">The culture to use for formatting.</param>
/// <returns>The formatted string.</returns>
public string Format(object value, CultureInfo culture)
{
var section = Evaluator.GetSection(Sections, value);
if (section == null)
{
return(CompatibleConvert.ToString(value, culture));
}
try
{
return(Formatter.Format(value, section, culture));
}
catch (InvalidCastException)
{
// TimeSpan cast exception
return(CompatibleConvert.ToString(value, culture));
}
catch (FormatException)
{
// Convert.ToDouble/ToDateTime exceptions
return(CompatibleConvert.ToString(value, culture));
}
}