private static bool TryParseUnit(string unit, out FileLengthUnit result)
{
var last = unit[unit.Length - 1];
if (last != 'b' && last != 'B')
{
result = default;
return(false);
}
if (unit.Length > 1)
{
var multiple = unit.Substring(0, unit.Length - 1);
switch (multiple.ToUpperInvariant())
{
case "K":
result = FileLengthUnit.KiloByte;
return(true);
case "M":
result = FileLengthUnit.MegaByte;
return(true);
case "G":
result = FileLengthUnit.GigaByte;
return(true);
case "T":
result = FileLengthUnit.TeraByte;
return(true);
case "P":
result = FileLengthUnit.PetaByte;
return(true);
case "KI":
result = FileLengthUnit.KibiByte;
return(true);
case "MI":
result = FileLengthUnit.MebiByte;
return(true);
case "GI":
result = FileLengthUnit.GibiByte;
return(true);
case "TI":
result = FileLengthUnit.TebiByte;
return(true);
case "PI":
result = FileLengthUnit.PebiByte;
return(true);
}
}
result = FileLengthUnit.Byte;
return(true);
}
private static string UnitToString(FileLengthUnit unit)
{
return(unit switch
{
FileLengthUnit.Byte => "B",
FileLengthUnit.KiloByte => "kB",
FileLengthUnit.MegaByte => "MB",
FileLengthUnit.GigaByte => "GB",
FileLengthUnit.TeraByte => "TB",
FileLengthUnit.PetaByte => "PB",
FileLengthUnit.ExaByte => "EB",
FileLengthUnit.KibiByte => "kiB",
FileLengthUnit.MebiByte => "MiB",
FileLengthUnit.GibiByte => "GiB",
FileLengthUnit.TebiByte => "TiB",
FileLengthUnit.PebiByte => "PiB",
FileLengthUnit.ExbiByte => "EiB",
_ => throw new ArgumentOutOfRangeException(nameof(unit)),
});
public double GetLength(FileLengthUnit unit)
{
return((double)Length / (long)unit);
}