private object HandleListDerivative(XElement root, string propName, Type type)
{
Type realType = type.IsGenericType
? type.GetGenericArguments()[0]
: type.BaseType.GetGenericArguments()[0];
IList list = (IList)Activator.CreateInstance(type);
string name = realType.Name;
SerializeInfoAttribute attribute = realType.GetCustomAttribute <SerializeInfoAttribute>();
if (attribute != null)
{
name = attribute.Name;
}
IEnumerable <XElement> elements = FindDescendants(root, name);
PopulateListFromElements(realType, elements, list);
if (!type.IsGenericType)
{
Map(list, root.Element(propName) ?? root);
}
return(list);
}
private object Map(object x, XElement root)
{
Type objType = x.GetType();
PropertyInfo[] props = objType.GetProperties();
foreach (PropertyInfo prop in props)
{
Type type = prop.PropertyType;
bool typeIsPublic = type.IsPublic || type.IsNestedPublic;
if (!typeIsPublic || !prop.CanWrite)
{
continue;
}
XName name = prop.Name;
bool isAttr = false;
SerializeInfoAttribute attribute = prop.GetCustomAttribute <SerializeInfoAttribute>(false);
if (attribute != null)
{
name = attribute.Name;
isAttr = attribute.IsAttribute;
}
string value = GetValueFromXml(root, name, isAttr);
//We have 2 case for lists. The first one:
//
//<list>
// <item></item>
// <item></item>
//</list>
//
//In this case we use the property's real name to find the container and map the items from children
//Second one:
//
//<item></item>
//<item></item>
//
//In this case we use the generic type's real name and use the root to find the children
if (value == null)
{
if (type.IsGenericType)
{
Type genericType = type.GetGenericArguments()[0];
string realName = genericType.Name;
SerializeInfoAttribute attr = genericType.GetCustomAttribute <SerializeInfoAttribute>();
if (attr != null)
{
realName = attr.Name;
}
XElement first = GetElementByName(root, realName);
IList list = (IList)Activator.CreateInstance(type);
if (first != null && root != null)
{
IEnumerable <XElement> elements = root.Elements(first.Name);
PopulateListFromElements(genericType, elements, list);
}
prop.SetValue(x, list, null);
}
continue;
}
if (TryParseSimpleValue(value, type, out object parsedValue))
{
prop.SetValue(x, parsedValue, null);
continue;
}
//If it wasn't a supported primitive type, objVal is null here
if (type.IsGenericType)
{
if (type.GetGenericTypeDefinition() == typeof(Nullable <>))
{
prop.SetValue(x, null, null);
continue;
}
IList list = (IList)Activator.CreateInstance(type);
XElement container = GetElementByName(root, name);
if (container.HasElements)
{
XElement first = container.Elements().FirstOrDefault();
if (first != null)
{
Type t = type.GetGenericArguments()[0];
IEnumerable <XElement> elements = container.Elements(first.Name);
PopulateListFromElements(t, elements, list);
}
}
prop.SetValue(x, list, null);
}
else if (typeof(List <>).IsAssignableFrom(type))
{
object objVal = HandleListDerivative(root, prop.Name, type);
if (objVal != null)
{
prop.SetValue(x, objVal, null);
}
}
else
{
// nested property classes
if (root == null)
{
continue;
}
XElement element = GetElementByName(root, name);
if (element == null)
{
continue;
}
object objVal = CreateAndMap(type, element);
if (objVal != null)
{
prop.SetValue(x, objVal, null);
}
}
}
return(x);
}
