public static GrammarParseResult Combine(string rawText, GrammarParseResult x, GrammarParseResult y, BoolCombine isSuccessfulCombine = BoolCombine.Or, ArithCombine valueCombine = ArithCombine.Add, StrCombine outputCombine = StrCombine.Ignore)
{
GrammarParseResult combined = new GrammarParseResult(rawText);
combined.IsSuccessful = CombineSuccessful(x.IsSuccessful, y.IsSuccessful, isSuccessfulCombine);
combined.Value = CombineValue(x.Value, y.Value, valueCombine);
combined.Output = CombineOutput(x.Output, y.Output, outputCombine);
combined.Children.Add(x);
combined.Children.Add(y);
return(combined);
}
private static bool CombineSuccessful(bool isSuccessfulX, bool isSuccessfulY, BoolCombine combine)
{
switch (combine)
{
case BoolCombine.Or:
return(isSuccessfulX || isSuccessfulY);
case BoolCombine.And:
return(isSuccessfulX && isSuccessfulY);
default:
throw new ArgumentException($"No combine logic defined for combine type: {Enum.GetName(typeof(BoolCombine), combine)}");
}
}
