public static string GetEnumerationValue(this StepSyntax syntax)
{
if (syntax.SyntaxType != StepSyntaxType.Enumeration)
{
ReportError("Expected enumeration value", syntax);
}
return(((StepEnumerationValueSyntax)syntax).Value);
}
public static double GetRealVavlue(this StepSyntax syntax)
{
if (syntax.SyntaxType != StepSyntaxType.Real)
{
ReportError("Expected real value", syntax);
}
return(((StepRealSyntax)syntax).Value);
}
public static int GetIntegerValue(this StepSyntax syntax)
{
if (syntax.SyntaxType != StepSyntaxType.Integer)
{
ReportError("Expected integer value", syntax);
}
return(((StepIntegerSyntax)syntax).Value);
}
public static StepSyntaxList GetValueList(this StepSyntax syntax)
{
if (syntax.SyntaxType != StepSyntaxType.List)
{
ReportError("Expected list value", syntax);
}
return((StepSyntaxList)syntax);
}
public static DateTime GetDateTimeValue(this StepSyntax syntax)
{
var str = syntax.GetStringValue();
DateTime result;
if (DateTime.TryParseExact(str, DateTimeFormat, CultureInfo.InvariantCulture, DateTimeStyles.RoundtripKind, out result))
{
return(result);
}
else
{
return(DateTime.Parse(str, CultureInfo.InvariantCulture, DateTimeStyles.AssumeLocal));
}
}
public static string GetStringValue(this StepSyntax syntax)
{
switch (syntax.SyntaxType)
{
case StepSyntaxType.Omitted:
return(string.Empty);
case StepSyntaxType.String:
return(((StepStringSyntax)syntax).Value);
default:
ReportError("Expected string value", syntax);
return(null); // this will never get here because `ReportError` throws
}
}
public static bool GetBooleanValue(this StepSyntax syntax)
{
switch (syntax.GetEnumerationValue().ToUpperInvariant())
{
case "T":
case "TRUE":
return(true);
case "F":
case "FALSE":
return(false);
default:
ReportError("Expected boolean value", syntax);
return(false); // unreachable
}
}
private static void ReportError(string message, StepSyntax location)
{
ReportError(message, location.Line, location.Column);
}
public static string GetConcatenatedStringValue(this StepSyntax syntax)
{
return(string.Join(string.Empty, syntax.GetValueList().Values.Select(v => v.GetStringValue())));
}
