public static Bool Compare(CompareOp op, Undefined u1, Undefined u2)
{
Bool result;
switch (op)
{
case CompareOp.Eq:
case CompareOp.Ne:
case CompareOp.Lt:
case CompareOp.Le:
case CompareOp.Gt:
case CompareOp.Ge:
result = Bool.Undefined;
break;
default:
throw new ArgumentOutOfRangeException(nameof(op), op, null);
}
return(result);
}
public static Bool Compare(CompareOp op, double d1, double d2)
{
if (!Undefined.IsDefined(d1) || !Undefined.IsDefined(d2))
{
return(Bool.Undefined);
}
Bool result;
switch (op)
{
case CompareOp.Eq:
result = (Bool)(d1.CompareTo(d2) == 0);
break;
case CompareOp.Ne:
result = (Bool)(d1.CompareTo(d2) != 0);
break;
case CompareOp.Lt:
result = (Bool)(d1.CompareTo(d2) < 0);
break;
case CompareOp.Le:
result = (Bool)(d1.CompareTo(d2) <= 0);
break;
case CompareOp.Gt:
result = (Bool)(d1.CompareTo(d2) > 0);
break;
case CompareOp.Ge:
result = (Bool)(d1.CompareTo(d2) >= 0);
break;
default:
throw new ArgumentOutOfRangeException(nameof(op), op, null);
}
return(result);
}
public static Bool Compare(CompareOp op, QueryValue v1, QueryValue v2)
{
if (!Undefined.IsDefined(v1) || !Undefined.IsDefined(v2) || v1 == null || v2 == null)
{
return(Bool.Undefined);
}
Bool result;
switch (op)
{
case CompareOp.Eq:
result = (Bool)(v1.CompareTo(v2) == 0);
break;
case CompareOp.Ne:
result = (Bool)(v1.CompareTo(v2) != 0);
break;
case CompareOp.Lt:
result = (Bool)(v1.CompareTo(v2) < 0);
break;
case CompareOp.Le:
result = (Bool)(v1.CompareTo(v2) <= 0);
break;
case CompareOp.Gt:
result = (Bool)(v1.CompareTo(v2) > 0);
break;
case CompareOp.Ge:
result = (Bool)(v1.CompareTo(v2) >= 0);
break;
default:
throw new ArgumentOutOfRangeException(nameof(op), op, null);
}
return(result);
}
public static Bool Compare(CompareOp op, string s1, string s2)
{
if (!Undefined.IsDefined(s1) || !Undefined.IsDefined(s2) || s1 == null || s2 == null)
{
return(Bool.Undefined);
}
Bool result;
switch (op)
{
case CompareOp.Eq:
result = (Bool)(string.Compare(s1, s2, StringComparison.Ordinal) == 0);
break;
case CompareOp.Ne:
result = (Bool)(string.Compare(s1, s2, StringComparison.Ordinal) != 0);
break;
case CompareOp.Lt:
result = (Bool)(string.Compare(s1, s2, StringComparison.Ordinal) < 0);
break;
case CompareOp.Le:
result = (Bool)(string.Compare(s1, s2, StringComparison.Ordinal) <= 0);
break;
case CompareOp.Gt:
result = (Bool)(string.Compare(s1, s2, StringComparison.Ordinal) > 0);
break;
case CompareOp.Ge:
result = (Bool)(string.Compare(s1, s2, StringComparison.Ordinal) >= 0);
break;
default:
throw new ArgumentOutOfRangeException(nameof(op), op, null);
}
return(result);
}
public static Bool IsDefined(this Bool input) => Undefined.IsDefined(input);
public static Bool IsDefined(this string input) => Undefined.IsDefined(input);
public bool Equals(Undefined other) => true;
