internal IntegerLiteralString(string value, NumberRadixFormat radix)
{
Debug.Assert(!string.IsNullOrWhiteSpace(value));
switch (radix)
{
case NumberRadixFormat.Decimal:
if (!this.ParseString(value, DecimalRegEx, radix))
{
throw new ArgumentException("The provided string is not a supported number format.", nameof(value));
}
break;
case NumberRadixFormat.Hexadecimal:
if (!this.ParseString(value, HexRegEx, radix))
{
throw new ArgumentException("The provided string is not a supported number format.", nameof(value));
}
break;
case NumberRadixFormat.Octal:
if (!this.ParseString(value, OctalRegEx, radix))
{
throw new ArgumentException("The provided string is not a supported number format.", nameof(value));
}
break;
}
}
private void AssignMatch(Match match, NumberRadixFormat radix)
{
Group plainNumberGroup = match.Groups["PlainNumber"];
Group suffixGroup = match.Groups["NumberSuffix"];
// just an assert, because if this happens, it's a bug with the regex
Debug.Assert(plainNumberGroup.Success);
this.PlainNumber = plainNumberGroup.Value;
this.NumberSuffix = this.ParseIntegerSuffix(suffixGroup);
this.Radix = radix;
}
private bool ParseString(string integerString, Regex regex, NumberRadixFormat radix)
{
var match = ParseString(integerString, regex);
if (match == null)
{
return(false);
}
this.AssignMatch(match, radix);
return(true);
}
private IntegerLiteralString(Match match, NumberRadixFormat radix)
{
Debug.Assert(match != null);
this.AssignMatch(match, radix);
}
