/// <summary>
/// Initializes a new instance of the <see cref="RoutedList{T}"/> class that contains elements, route type, route mode, direction and current index copied from the source and has sufficient capacity to accommodate the number of elements copied.
/// </summary>
/// <param name="source"></param>
public RoutedList(RoutedList <T> source) : base(source)
{
_remainder = source._remainder;
RouteType = source.RouteType;
RouteMode = source.RouteMode;
_increase = source._increase;
CurrentIndex = source.CurrentIndex;
BeginIndex = source.BeginIndex;
EndIndex = source.EndIndex;
NextIndex = source.NextIndex;
}
/// <summary>
/// Creates an object from its <see cref="XmlElement"/> representation.
/// </summary>
/// <param name="source"></param>
/// <param name="id_source"></param>
/// <returns></returns>
public static RoutedList <T> ToObject(XmlElement source, ref IDictionary <string, object> id_source)
{
Type type = typeof(RoutedList <T>);
if (source is null)
{
throw new ArgumentNullException(nameof(source));
}
if (id_source is null)
{
throw new ArgumentNullException(nameof(id_source));
}
if (source.HasAttribute("id"))
{
if (id_source.ContainsKey(source.GetAttribute("id")))
{
throw new XmlException($"The object with id=\"{source.GetAttribute("id")}\" has already been created.");
}
}
if (source.HasAttribute("ref"))
{
if (id_source.ContainsKey(source.GetAttribute("ref")))
{
if (id_source[source.GetAttribute("ref")] is RoutedList <T> _source)
{
return(_source);
}
else
{
throw new XmlException($"The object with id=\"{source.GetAttribute("id")}\" must be \"{type.FullName}\".");
}
}
else
{
throw new XmlException($"The object with id=\"{source.GetAttribute("id")}\" must have been created earlier.");
}
}
RoutedList <T> routedList = new RoutedList <T>();
if (source.HasAttribute("id"))
{
id_source.Add(source.GetAttribute("id"), routedList);
}
XmlNodeList xmlEntriesList = source.ChildNodes;
foreach (XmlElement xmlElement in xmlEntriesList)
{
switch (xmlElement.Name)
{
case "RouteType":
RouteType routeType;
if (Enum.TryParse(xmlElement.InnerText, out routeType))
{
routedList.RouteType = routeType;
}
else
{
throw new XmlException($"Invalid data in the node \"{xmlElement.Name}\".");
}
break;
case "RouteMode":
RouteMode routeMode;
if (Enum.TryParse(xmlElement.InnerText, out routeMode))
{
routedList.RouteMode = routeMode;
}
else
{
throw new XmlException($"Invalid data in the node \"{xmlElement.Name}\".");
}
break;
case "Increase":
if (xmlElement.InnerText == bool.TrueString)
{
routedList._increase = true;
}
else if (xmlElement.InnerText == bool.FalseString)
{
routedList._increase = false;
}
else
{
throw new XmlException($"Invalid data in the node \"{xmlElement.Name}\".");
}
break;
case "CurrentIndex":
if (xmlElement.InnerText == "null")
{
routedList.CurrentIndex = null;
}
else if (int.TryParse(xmlElement.InnerText, out int currentIndex))
{
routedList.CurrentIndex = currentIndex;
}
else
{
throw new XmlException($"Invalid data in the node \"{xmlElement.Name}\".");
}
break;
case "Entries":
List <T> list = routedList as List <T>;
foreach (XmlElement xmlEntry in xmlElement.ChildNodes)
{
if (xmlEntry.Name != "Entry")
{
throw new XmlException("The \"Entries\" node can only contain \"Entry\" nodes.");
}
else if (CyclicalMethods.ToObject(xmlEntry, ref id_source) is T t)
{
list.Add(t);
}
else
{
throw new XmlException($"Invalid data in the node \"{xmlElement.Name}\".");
}
}
break;
}
}
routedList._increase = routedList.Increase;
routedList.Update();
return(routedList);
}
