private static IEnumerable<XmlExpression> AcquireChildren(XmlExpression expression)
{
foreach (var property in expression.GetType().GetProperties(BindingFlags.Public | BindingFlags.Instance))
{
if (property.Name == "Parent")
continue;
if (typeof(XmlExpression).IsAssignableFrom(property.PropertyType))
{
yield return (XmlExpression)property.GetValue(expression, null);
}
if (typeof(IEnumerable).IsAssignableFrom(property.PropertyType))
{
var enumerable = (IEnumerable)property.GetValue(expression, null);
if (enumerable == null)
continue;
foreach(var entry in enumerable)
{
if (entry is XmlExpression)
{
yield return (XmlExpression)entry;
}
}
}
}
}
public static Expression ToExpression(XmlExpression source)
{
if (source == null)
return null;
FillParentRecursive(source.Parent, source);
return source.ToExpression();
}
private static void FillParentRecursive(XmlExpression parent, XmlExpression child)
{
if (child != null)
{
child.Parent = parent;
foreach (var grandChild in AcquireChildren(child))
{
FillParentRecursive(child, grandChild);
}
}
}