private void ProcessSingleXmlElement(object obj, XmlMapping mapping, XElement elm)
{
var type = mapping.PropertyCache.Property.PropertyType;
var value = mapping.GetSingleXElementAttributeValue(elm);
//priority is priority_raw on the root group, priority everywhere else. we need an alt xmlelement
//ok we have one, we now need to treat attributevalue as a list
try
{
ProcessXmlText(obj, mapping, value);
}
catch (Exception ex) when(!(ex is XmlDeserializationException))
{
throw new XmlDeserializationException(mapping.PropertyCache.Property.PropertyType, value?.ToString() ?? "null", ex);
}
}
private void ProcessXmlText(object obj, XmlMapping mapping, XElement elm)
{
var type = mapping.PropertyCache.Property.PropertyType;
var str = elm != null ? $"\"{elm.Value}\"" : "null";
Logger.Debug($"XElement contained {str}");
elm = NullifyMissingValue(elm);
var finalValue = elm == null ? null : GetValue(type, elm.Value, elm);
if (type.IsValueType && Nullable.GetUnderlyingType(type) == null && finalValue == null)
{
throw new XmlDeserializationException($"An error occurred while attempting to deserialize XML element '{mapping.AttributeValue.First()}' to property '{mapping.PropertyCache.Property.Name}': cannot assign 'null' to value type '{type.Name}'."); //value types cant be null
}
mapping.PropertyCache.Property.SetValue(obj, finalValue);
}
private void ProcessListEnumerableXmlElement(object obj, XmlMapping mapping, XElement elm)
{
var type = mapping.PropertyCache.Property.PropertyType;
var underlyingType = type.GetGenericArguments().First();
var list = Activator.CreateInstance(type);
var elms = mapping.AttributeValue.Select(a => elm.Elements(a)).First(x => x != null).ToList();
Logger.Debug($"XElement contained {elms.Count} element(s)");
foreach (var e in elms)
{
((IList)list).Add(Deserialize(underlyingType, e));
}
mapping.PropertyCache.Property.SetValue(obj, list);
}
private void ProcessXmlElement(object obj, XmlMapping mapping, XElement elm)
{
var type = mapping.PropertyCache.Property.PropertyType;
if (typeof(IEnumerable).IsAssignableFrom(type) && type != typeof(string))
{
ProcessEnumerableXmlElement(obj, mapping, elm);
}
else
{
if (mapping.PropertyCache.Property.PropertyType.GetCustomAttribute <XmlRootAttribute>() != null)
{
var elms = mapping.AttributeValue.Select(a => elm.Elements(a)).First(x => x != null).FirstOrDefault();
var result = elms != null?Deserialize(mapping.PropertyCache.Property.PropertyType, elms) : null;
mapping.PropertyCache.Property.SetValue(obj, result);
}
else
{
ProcessSingleXmlElement(obj, mapping, elm);
}
}
}
