/// <summary>
/// Reads the element content as collection.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="reader">The reader.</param>
/// <returns></returns>
public static List <T> ReadElementContentAsCollection <T>(this XmlReader reader) where T : class
{
List <T> result = null;
var serializer = new XmlSerializer(typeof(T));
var outerXml = reader.ReadOuterXml();
using (var stringReader = new StringReader(outerXml))
{
using (var xmlTextReader = XmlTextReaderBuilder.Create(stringReader))
{
xmlTextReader.ReadStartElement();
while (!xmlTextReader.EOF)
{
if (xmlTextReader.NodeType == XmlNodeType.EndElement)
{
xmlTextReader.ReadEndElement();
continue;
}
T entity;
if (xmlTextReader.IsEmptyElement && xmlTextReader.HasAttributes)
{
entity = serializer.Deserialize(xmlTextReader) as T;
}
else
{
if (xmlTextReader.NodeType != XmlNodeType.Element)
{
xmlTextReader.Read();
continue;
}
var subTree = xmlTextReader.ReadSubtree();
entity = serializer.Deserialize(subTree) as T;
}
if (entity != null)
{
if (result == null)
{
result = new List <T>();
}
result.Add(entity);
}
if (!xmlTextReader.IsEmptyElement)
{
xmlTextReader.Read();
}
}
}
}
return(result);
}
/// <summary>
/// Reads the element content as enumerable.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="reader">The reader.</param>
/// <returns></returns>
public static IEnumerable <T> ReadElementContentAsEnumerable <T>(this XmlReader reader) where T : class
{
var serializer = new XmlSerializer(typeof(T));
var outerXml = reader.ReadOuterXml();
using (var stringReader = new StringReader(outerXml))
{
using (var xmlTextReader = XmlTextReaderBuilder.Create(stringReader))
{
xmlTextReader.ReadStartElement();
while (!xmlTextReader.EOF)
{
if (xmlTextReader.NodeType == XmlNodeType.EndElement)
{
xmlTextReader.ReadEndElement();
continue;
}
T entity;
if (xmlTextReader.IsEmptyElement && xmlTextReader.HasAttributes)
{
entity = serializer.Deserialize(xmlTextReader) as T;
}
else
{
var subTree = xmlTextReader.ReadSubtree();
entity = serializer.Deserialize(subTree) as T;
}
if (entity != null)
{
yield return(entity);
}
if (!xmlTextReader.IsEmptyElement)
{
xmlTextReader.Read();
}
}
}
}
}
/// <summary>
/// Deserializes the XML document contained by the specific System.String.
/// </summary>
/// <typeparam name="TOut">The type of objects to deserialize.</typeparam>
/// <param name="xml">The System.String that contains the XML document to deserialize.</param>
/// <returns>
/// The T object being deserialized.
/// </returns>
/// <exception cref="System.InvalidOperationException">
/// An error occurred during deserialization. The original exception is available
/// using the System.Exception.InnerException property.
/// </exception>
// ReSharper disable once InconsistentNaming
private static TOut XmlDeserializeEntity <TOut>(string xml) where TOut : new()
{
if (xml.IsNullOrWhiteSpace())
{
throw new ArgumentNullException(nameof(xml), $"Could not deserialize null or empty input for type '{typeof(TOut).Name}'.");
}
using (var textReader = new StringReader(xml))
{
using (var xmlReader = XmlTextReaderBuilder.Create(textReader))
{
var serializer = new XmlSerializer(typeof(TOut));
var entity = serializer.Deserialize(xmlReader);
if (entity is TOut t)
{
return(t);
}
return(default);
