public static ILiteralToken MakeLiteralToken(this string tokenString, IConfiguration configuration = null)
{
if (string.IsNullOrWhiteSpace(tokenString))
{
return(null);
}
var firstSpace = tokenString.IndexOf(' ');
var tokenType = firstSpace <= 0
? tokenString
: tokenString.Substring(0, firstSpace).Trim();
var tokenArg = firstSpace <= 0
? ""
: tokenString.Substring(firstSpace).Trim();
switch (tokenType.ToLower())
{
case "date":
case "datetoken":
return(DateToken.Parse(tokenArg, false, SourcePosition.None, configuration));
case "float":
case "floattoken":
return(FloatToken.Parse(tokenArg, configuration));
case "limitedinteger":
case "limitedintegertoken":
{
var portions = _limitedIntegerRegex.Match(tokenArg);
var isNeg = portions.Groups[1].Value == "-";
var numBase = IntegerBase.Decimal;
switch (portions.Groups[2].Value.ToLower())
{
case "0x": numBase = IntegerBase.Hexadecimal; break;
case "b": numBase = IntegerBase.Decimal; break;
case "o": numBase = IntegerBase.Decimal; break;
case "": numBase = IntegerBase.Decimal; break;
default: throw new ArgumentOutOfRangeException($"Unhandled numeric base indicator '{portions.Groups[2].Value}'");
}
var num = portions.Groups[3].Value;
var isSigned = portions.Groups[4].Value.ToLower() != "u";
var bitWidth = LimitedIntegerToken.ParseBitWidth(portions.Groups[5].Value);
return(LimitedIntegerToken.Parse(num, numBase, bitWidth, isSigned, isNeg, tokenArg, SourcePosition.None, configuration ?? new Configuration()
{
IgnoreLimitedIntegerMaxMinRange = true
}));
}
case "unlimitedinteger":
case "unlimitedintegertoken":
{
var portions = _unlimitedIntegerRegex.Match(tokenArg);
var isNeg = portions.Groups[1].Value == "-";
var numBase = IntegerBase.Decimal;
switch (portions.Groups[2].Value.ToLower())
{
case "0x": numBase = IntegerBase.Hexadecimal; break;
case "b": numBase = IntegerBase.Decimal; break;
case "o": numBase = IntegerBase.Decimal; break;
case "": numBase = IntegerBase.Decimal; break;
default: throw new ArgumentOutOfRangeException($"Unhandled numeric base indicator '{portions.Groups[2].Value}'");
}
var num = portions.Groups[3].Value;
return(UnlimitedIntegerToken.Parse(num, numBase, isNeg, SourcePosition.None, configuration));
}
case "timespan":
case "timespantoken":
return(TimespanToken.Parse(TimeToken.Parse(tokenArg, SourcePosition.None, configuration).TypedValue, tokenArg, SourcePosition.None, configuration));
case "time":
case "timetoken":
return(TimeToken.Parse(tokenArg, SourcePosition.None, configuration));
default:
throw new TestOperationException($"Unrecognised token type {tokenType}");
}
}
public static TimespanTokenAssertions Should(this TimespanToken token) => new TimespanTokenAssertions(token);