private static async Task ToXml(object obj, XmlWriter writer, SerializerOptions options = null)
{
var type = obj.GetType();
var typeInfo = type.GetTypeInfo();
if (typeInfo.IsPrimitive || type == typeof(string) || type == typeof(decimal))
{
await writer.WriteStringAsync(Convert.ToString(obj, CultureInfo.InvariantCulture));
}
else if (typeInfo.IsEnum)
{
await writer.WriteStringAsync(Enum.GetName(type, obj));
}
else if (type == typeof(DateTime))
{
var format = DateFormatForOptions(options);
await writer.WriteStringAsync(((DateTime)obj).ToString(format));
}
else if (typeInfo.ImplementedInterfaces.Contains(typeof(IEnumerable)))
{
foreach (var val in (IEnumerable) obj)
{
await writer.WriteStartElementAsync(null, NameForType(val.GetType()), null);
await ToXml(val, writer);
await writer.WriteEndElementAsync();
}
}
else
{
foreach(var property in type.GetRuntimeProperties())
{
SerializerOptions opt = null;
var ignoreAttr = property.GetCustomAttribute<XmlIgnoreAttribute>();
var isStatic = property.GetMethod.IsStatic;
if (ignoreAttr != null || isStatic)
{
continue;
}
var attr = property.GetCustomAttribute<XmlElementAttribute>();
if (attr != null)
{
opt = new SerializerOptions { DataType = attr.DataType, };
}
var value = property.GetMethod.Invoke(obj, new object[0]);
await writer.WriteStartElementAsync(null, property.Name, null);
if (value != null)
{
await ToXmlNode(value, writer, opt);
}
await writer.WriteEndElementAsync();
}
}
}
private static async Task ToXmlNode(object obj, XmlWriter writer, SerializerOptions opt)
{
var writable = obj as IXmlWritable;
if (writable != null)
{
await writable.WriteXml(writer);
return;
}
await ToXml(obj, writer, opt);
}
private static string DateFormatForOptions(SerializerOptions options)
{
if (options != null)
{
switch (options.DataType.ToLowerInvariant())
{
case "date":
return "yyyy-MM-dd";
case "time":
return "HH:mm:ss";
}
}
return "yyyy-MM-ddTHH:mm:ss";
}
private static XElement ToXml(object obj, SerializerOptions options = null)
{
var type = obj.GetType();
var typeInfo = type.GetTypeInfo();
var el = new XElement(NameForType(type));
if(typeInfo.IsPrimitive || type == typeof(string) || type == typeof(decimal))
{
el.Value = Convert.ToString(obj, CultureInfo.InvariantCulture);
}
else if (typeInfo.IsEnum)
{
el.Value = Enum.GetName(type, obj);
}
else if (type == typeof(DateTime))
{
var format = DateFormatForOptions(options);
el.Value = ((DateTime) obj).ToString(format);
}
else if (typeInfo.ImplementedInterfaces.Contains(typeof(IEnumerable)))
{
foreach (var val in (IEnumerable) obj)
{
el.Add(ToXml(val));
}
}
else
{
foreach(var property in type.GetRuntimeProperties())
{
SerializerOptions opt = null;
var ignoreAttr = property.GetCustomAttribute<XmlIgnoreAttribute>();
var isStatic = property.GetMethod.IsStatic;
if (ignoreAttr != null || isStatic)
{
continue;
}
var attr = property.GetCustomAttribute<XmlElementAttribute>();
if (attr != null)
{
opt = new SerializerOptions { DataType = attr.DataType, };
}
var value = property.GetMethod.Invoke(obj, new object[0]);
var resultElement = new XElement(property.Name);
if (value != null)
{
var element = ToXml(value, opt);
if (element.HasElements)
{
resultElement.Add(element.Elements());
}
else
{
resultElement.Value = element.Value;
}
}
el.Add(resultElement);
}
}
return el;
}
private static XElement ToXml(object obj, SerializerOptions options = null)
{
var type = obj.GetType();
var typeInfo = type.GetTypeInfo();
var el = new XElement(NameForType(type));
if (typeInfo.IsPrimitive || type == typeof(string) || type == typeof(decimal))
{
el.Value = Convert.ToString(obj, CultureInfo.InvariantCulture);
}
else if (typeInfo.IsEnum)
{
el.Value = Enum.GetName(type, obj);
}
else if (type == typeof(DateTime))
{
var format = DateFormatForOptions(options);
el.Value = ((DateTime)obj).ToString(format);
}
else if (typeInfo.ImplementedInterfaces.Contains(typeof(IEnumerable)))
{
foreach (var val in (IEnumerable)obj)
{
el.Add(ToXml(val));
}
}
else
{
foreach (var property in type.GetRuntimeProperties())
{
SerializerOptions opt = null;
var ignoreAttr = property.GetCustomAttribute <XmlIgnoreAttribute>();
var isStatic = property.GetMethod.IsStatic;
if (ignoreAttr != null || isStatic)
{
continue;
}
var attr = property.GetCustomAttribute <XmlElementAttribute>();
if (attr != null)
{
opt = new SerializerOptions {
DataType = attr.DataType,
};
}
var value = property.GetMethod.Invoke(obj, new object[0]);
var resultElement = new XElement(property.Name);
if (value != null)
{
var element = ToXml(value, opt);
if (element.HasElements)
{
resultElement.Add(element.Elements());
}
else
{
resultElement.Value = element.Value;
}
}
el.Add(resultElement);
}
}
return(el);
}
