public bool LastFinished(Token token, bool knowLast = false)
{
if (this.Count() == 0)
{
return(true);
}
var last = this.Last;
if (FieldSegment.GetType(last.Keyname) != Field.Type.NONE)
{
return(true);
}
if (last.Data == "")
{
return(false);
}
if (knowLast)
{
if (token.CannotCloseWith())
{
return(false);
}
}
var lastsym = last.Data[last.Data.Length - 1];
if (BracketProcessor.IsValidEnd(lastsym) && BracketProcessor.BracketCheck(last.Data) != BracketProcessor.ERRORTYPE.UNCLOSED)
{
return(true);
}
return(false);
}
public void Freeze()
{
if (BracketProcessor.BracketCheck(Data) != BracketProcessor.ERRORTYPE.OK)
{
throw new ParsingException("Invalid brackets in `" + Data + "`");
}
frozen = true;
if (string.IsNullOrEmpty(Data))
{
this.type = PostTokenType.VOID;
}
else if (Data.Contains("="))
{
this.type = PostTokenType.EQUALITY;
}
else
{
this.type = PostTokenType.EXPRESSION;
}
}
public static ERRORTYPE BracketCheck(string s)
{
string stack = "()";
foreach (var c in s)
{
if (BracketProcessor.IsBracket(c))
{
stack += c.ToString();
char c1 = stack[stack.Length - 2];
char c2 = stack[stack.Length - 1];
if (IsOpen(c1) && IsClose(c2) && Type(c1) != Type(c2))
{
return(ERRORTYPE.CLOSED_TOO_EARLY);
}
if (IsOpen(c1) && IsClose(c2) && Type(c1) == Type(c2))
{
stack = stack.Substring(0, stack.Length - 2);
}
}
}
return(stack.Length == 2 ? ERRORTYPE.OK : ERRORTYPE.UNCLOSED);
}