protected IPrimitiveToken EvaluateOperation(IPrimitiveToken x, IPrimitiveToken y, Tokens o)
{
switch(o) {
case Tokens.EQ:
return new BooleanToken(x.CompareTo(y) == 0);
case Tokens.NEQ:
return new BooleanToken(x.CompareTo(y) != 0);
case Tokens.GT:
return new BooleanToken(x.CompareTo(y) > 0);
case Tokens.GEQ:
return new BooleanToken(x.CompareTo(y) >= 0);
case Tokens.LT:
return new BooleanToken(x.CompareTo(y) < 0);
case Tokens.LEQ:
return new BooleanToken(x.CompareTo(y) <= 0);
case Tokens.PLUS:
return new NumberToken(x.ToDouble() + y.ToDouble());
case Tokens.MINUS:
return new NumberToken(x.ToDouble() - y.ToDouble());
case Tokens.MULT:
return new NumberToken(x.ToDouble() * y.ToDouble());
case Tokens.DIV:
return new NumberToken(x.ToDouble() / y.ToDouble());
case Tokens.EXP:
return new NumberToken(Math.Pow(x.ToDouble(), y.ToDouble()));
case Tokens.CONCAT:
return new StringToken(x.ToString() + y.ToString());
default:
throw new ArgumentException("Unknown Operator");
}
}
protected IPrimitiveToken EvaluateOperation(IPrimitiveToken x, Tokens o)
{
switch(o) {
case Tokens.PERCENT:
return new NumberToken(x.ToDouble() * 0.01);
case Tokens.UMINUS:
return new NumberToken(x.ToDouble() * -1);
default:
throw new ArgumentException("Unknown Operator");
}
}
EvaluateOperation(IPrimitiveToken x, Tokens o)
{
switch (o)
{
case Tokens.PERCENT:
return(new NumberToken(x.ToDouble() * 0.01));
case Tokens.UMINUS:
return(new NumberToken(x.ToDouble() * -1));
default:
throw new ArgumentException("Unknown Operator");
}
}
CompareTo(object obj)
{
if (obj is IPrimitiveToken)
{
IPrimitiveToken pToken = (IPrimitiveToken)obj;
switch (pToken.Type)
{
case PrimitiveType.Null:
case PrimitiveType.Number:
return(_value.CompareTo(pToken.ToDouble()));
case PrimitiveType.Boolean:
case PrimitiveType.String:
return(-1);
}
}
throw new ArgumentException();
}
EvaluateOperation(IPrimitiveToken x, IPrimitiveToken y, Tokens o)
{
switch (o)
{
case Tokens.EQ:
return(new BooleanToken(x.CompareTo(y) == 0));
case Tokens.NEQ:
return(new BooleanToken(x.CompareTo(y) != 0));
case Tokens.GT:
return(new BooleanToken(x.CompareTo(y) > 0));
case Tokens.GEQ:
return(new BooleanToken(x.CompareTo(y) >= 0));
case Tokens.LT:
return(new BooleanToken(x.CompareTo(y) < 0));
case Tokens.LEQ:
return(new BooleanToken(x.CompareTo(y) <= 0));
case Tokens.PLUS:
return(new NumberToken(x.ToDouble() + y.ToDouble()));
case Tokens.MINUS:
return(new NumberToken(x.ToDouble() - y.ToDouble()));
case Tokens.MULT:
return(new NumberToken(x.ToDouble() * y.ToDouble()));
case Tokens.DIV:
return(new NumberToken(x.ToDouble() / y.ToDouble()));
case Tokens.EXP:
return(new NumberToken(Math.Pow(x.ToDouble(), y.ToDouble())));
case Tokens.CONCAT:
return(new StringToken(x.ToString() + y.ToString()));
default:
throw new ArgumentException("Unknown Operator");
}
}
