public static bool IsEqualTo(this IElementNavigator left, IElementNavigator right)
{
var l = left.Value;
var r = right.Value;
// Compare primitives (or extended primitives)
if (l != null && r != null)
{
if (l.GetType() == typeof(string) && r.GetType() == typeof(string))
{
return((string)l == (string)r);
}
else if (l.GetType() == typeof(bool) && r.GetType() == typeof(bool))
{
return((bool)l == (bool)r);
}
else if (l.GetType() == typeof(long) && r.GetType() == typeof(long))
{
return((long)l == (long)r);
}
else if (l.GetType() == typeof(decimal) && r.GetType() == typeof(decimal))
{
return((decimal)l == (decimal)r);
}
else if (l.GetType() == typeof(long) && r.GetType() == typeof(decimal))
{
return((decimal)(long)l == (decimal)r);
}
else if (l.GetType() == typeof(decimal) && r.GetType() == typeof(long))
{
return((decimal)l == (decimal)(long)r);
}
else if (l.GetType() == typeof(PartialTime) && r.GetType() == typeof(PartialTime))
{
return((PartialTime)l == (PartialTime)r);
}
else if (l.GetType() == typeof(PartialDateTime) && r.GetType() == typeof(PartialDateTime))
{
return((PartialDateTime)l == (PartialDateTime)r);
}
else
{
return(false);
}
}
else if (l == null && r == null)
{
// Compare complex types (extensions on primitives are not compared, but handled (=ignored) above
var childrenL = left.childrenOrEmpty();
var childrenR = right.childrenOrEmpty();
bool allNamesAreEqual = childrenL.Zip(childrenR, (childL, childR) => namesAreEqual(childL, childR)).All(t => t);
return(allNamesAreEqual &&
childrenL.IsEqualTo(childrenR)); // NOTE: Assumes null will never be returned when any() children exist
}
else
{
// Else, we're comparing a complex (without a value) to a primitive which (probably) should return false
return(false);
}
}