public override IValue interpret(Context context)
{
ListValue list = (ListValue)getValue(context);
IValue value = context.getValue("value");
int idx = list.IndexOf(value);
if (idx < 0)
{
return(NullValue.Instance);
}
else
{
return(new IntegerValue(idx + 1));
}
}
public int IndexOf(Field item)
{
switch (fieldType)
{
case FieldType.Array:
return(ListValue.IndexOf(item));
case FieldType.String:
switch (item.fieldType)
{
case FieldType.Integer:
case FieldType.Float:
case FieldType.String:
return((objValue as string).IndexOf((string)item));
default:
return(-1);
}
default:
return(-1);
}
}