bool CaseSensitivity(CaseValue value, string first, string second)
{
if (value.CaseInsensitive)
{
return(NotMatch(value.ExactMatch, first?.ToLowerInvariant(), second?.ToLowerInvariant()));
}
return(NotMatch(value.ExactMatch, first, second));
}
public List <CaseValue> CheckSyntax(IEnumerable <Token> lst)
{
var values = new List <CaseValue>();
var data = lst.ToList();
var token = data.FirstOrDefault();
void Eat(TokenType tokenType)
{
if (data[0].TokenType == tokenType)
{
data.RemoveAt(0);
token = data.FirstOrDefault();
}
else
{
throw new ParserException($"Expected type '{tokenType}' but was '{data[0]}'. Please check your syntax");
}
}
while (data.Count > 0)
{
var val = new CaseValue();
while (token != null && token.TokenType != TokenType.Id)
{
if (token?.TokenType == TokenType.Bang)
{
val.Negate = true;
Eat(TokenType.Bang);
}
else if (token?.TokenType == TokenType.CaseInsensitive)
{
val.CaseInsensitive = true;
Eat(TokenType.CaseInsensitive);
}
else if (token?.TokenType == TokenType.Exception)
{
val.Exception = true;
Eat(TokenType.Exception);
}
else if (token?.TokenType == TokenType.Equal)
{
val.ExactMatch = true;
Eat(TokenType.Equal);
}
else if (token?.TokenType == TokenType.Order)
{
val.MatchOutputIndex = int.Parse(token.Value.Substring(1));
Eat(TokenType.Order);
}
else if (token?.TokenType == TokenType.Regex)
{
val.Regex = true;
Eat(TokenType.Regex);
break;
}
else
{
throw new ParserException($"Did not recognize token {token}");
}
}
val.ValueToMatch = token?.Value;
Eat(TokenType.Id);
if (token?.TokenType == TokenType.Comment)
{
val.Hint = token.Value;
Eat(TokenType.Comment);
}
//delete trailing spaces
if (token?.TokenType == TokenType.Id && string.IsNullOrWhiteSpace(token.Value))
{
Eat(TokenType.Id);
}
if (token != null && token?.TokenType != TokenType.EndOfFile)
{
Eat(TokenType.Comma);
}
else if (token != null)
{
Eat(TokenType.EndOfFile);
}
values.Add(val);
}
return(values);
}
