internal static bool Compare(string x, string y, RelationOperator op)
{
Fx.Assert(null != x && null != y, "");
switch (op)
{
default:
Fx.Assert("Invalid RelationOperator");
break;
case RelationOperator.Eq:
return(QueryValueModel.Equals(x, y));
case RelationOperator.Ge:
case RelationOperator.Gt:
case RelationOperator.Le:
case RelationOperator.Lt:
return(QueryValueModel.Compare(QueryValueModel.Double(x), QueryValueModel.Double(y), op));
case RelationOperator.Ne:
return(x.Length != y.Length || 0 != string.CompareOrdinal(x, y));
}
return(false);
}
internal double NumberValue()
{
return(QueryValueModel.Double(this.StringValue()));
}
internal static bool Equals(double x, string y)
{
return(x == QueryValueModel.Double(y));
}
internal static bool Compare(string x, double y, RelationOperator op)
{
Fx.Assert(null != x, "");
return(QueryValueModel.Compare(QueryValueModel.Double(x), y, op));
}
internal static bool Compare(double x, string y, RelationOperator op)
{
Fx.Assert(null != y, "");
return(QueryValueModel.Compare(x, QueryValueModel.Double(y), op));
}
internal static double Double(XPathNodeIterator iterator)
{
Fx.Assert(null != iterator, "");
return(QueryValueModel.Double(QueryValueModel.String(iterator)));
}
internal static double Double(NodeSequence sequence)
{
Fx.Assert(null != sequence, "");
return(QueryValueModel.Double(sequence.StringValue()));
}
