public static XObject rToXML(string name, object obj, Type expectedType, bool createElement, Dictionary <object, XElement> references)
{
if (obj == null)
{
return(new XElement(name, new XAttribute(typeTag, nullType)));
}
var type = obj.GetType();
if ((type.IsPrimitive) || (type.IsEnum) || (type == typeof(string)) || (obj is Type))
{
if (createElement)
{
return(new XElement(name, obj));
}
return(new XAttribute(name, obj));
}
if (references.ContainsKey(obj))
{
var reference = references[obj];
if (reference.Attribute(guidTag) == null)
{
reference.Add(new XAttribute(guidTag, Guid.NewGuid().ToString()));
}
var guid = reference.Attribute(guidTag).Value;
return(new XElement(name, new XAttribute(typeTag, referenceType), new XAttribute(guidTag, guid)));
}
var xml = references[obj] = new XElement(name);
if (type != expectedType)
{
xml.Add(new XAttribute(typeTag, type.FullName));
}
if (type == typeof(Regex))
{
var regex = obj as Regex;
xml.Add(regex.ToString(), new XAttribute(optionsTag, regex.Options));
}
else if (type.IsArray)
{
var itemType = type.GetElementType();
if (itemType == typeof(byte))
{
xml.Add(Coder.BytesToString(obj as byte[], Coder.CodePage.Hex));
}
else
{
var items = obj as Array;
foreach (var item in items)
{
xml.Add(rToXML(itemTag, item, itemType, true, references));
}
}
}
else if ((type.IsGenericType) && ((type.GetGenericTypeDefinition() == typeof(List <>)) || (type.GetGenericTypeDefinition() == typeof(HashSet <>))))
{
if (obj is IEnumerable <char> )
{
xml.Add(new XAttribute("Values", Coder.ConvertString(new string((obj as IEnumerable <char>).ToArray()), Coder.CodePage.UTF8, Coder.CodePage.Base64)));
}
else
{
var items = obj as IEnumerable;
var itemType = type.GetGenericArguments()[0];
foreach (var item in items)
{
xml.Add(rToXML(itemTag, item, itemType, true, references));
}
}
}
else if ((type.IsGenericType) && (type.GetGenericTypeDefinition() == typeof(Dictionary <,>)))
{
var items = obj as IDictionary;
var keyType = type.GetGenericArguments()[0];
var valueType = type.GetGenericArguments()[1];
foreach (DictionaryEntry item in items)
{
xml.Add(
new XElement(itemTag,
rToXML(keyTag, item.Key, keyType, false, references),
rToXML(valueTag, item.Value, valueType, false, references))
);
}
}
else
{
var toXML = type.GetMethods(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance).Where(method => method.GetCustomAttribute <ToXMLAttribute>() != null).FirstOrDefault();
if (toXML != null)
{
xml.Add(toXML.Invoke(obj, new object[0]));
}
else
{
var found = new HashSet <string>();
var fields = type.GetFields(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance);
foreach (var field in fields)
{
var fieldName = EscapeField(field, found);
var value = field.GetValue(obj);
if (value == null)
{
continue;
}
xml.Add(rToXML(fieldName, value, field.FieldType, false, references));
}
}
}
return(xml);
}
public static object rFromXML(XObject xObj, Type type, Dictionary <string, object> references)
{
if (xObj is XAttribute)
{
return(TypeDescriptor.GetConverter(type).ConvertFrom((xObj as XAttribute).Value));
}
var xml = xObj as XElement;
if ((type.IsPrimitive) || (type.IsEnum) || (type == typeof(string)))
{
return(TypeDescriptor.GetConverter(type).ConvertFrom(xml.Value));
}
var typeValue = xml.Attribute(typeTag).Next(a => a.Value);
if (typeValue == referenceType)
{
return(references[xml.Attribute(guidTag).Value]);
}
if (typeValue == nullType)
{
return(null);
}
var guid = xml.Attribute(guidTag).Next(a => a.Value) ?? "";
type = typeValue.Next(a => AppDomain.CurrentDomain.GetAssemblies().Select(assembly => assembly.GetType(a)).First(val => val != null)) ?? type;
if (type == typeof(Regex))
{
return(references[guid] = new Regex(xml.Value, (RegexOptions)Enum.Parse(typeof(RegexOptions), xml.Attribute(optionsTag).Value)));
}
else if (type.IsArray)
{
if (type.GetElementType() == typeof(byte))
{
return(references[guid] = Coder.StringToBytes(xml.Value, Coder.CodePage.Hex));
}
var elements = xml.Elements(itemTag).ToList();
var obj = references[guid] = type.GetConstructor(new Type[] { typeof(int) }).Invoke(new object[] { elements.Count });
var array = obj as Array;
var itemType = type.GetElementType();
for (var ctr = 0; ctr < elements.Count; ++ctr)
{
array.SetValue(rFromXML(elements[ctr], itemType, references), ctr);
}
return(obj);
}
else if (type == typeof(Type))
{
return(Type.GetType(xml.Value));
}
else if ((type.IsGenericType) && ((type.GetGenericTypeDefinition() == typeof(List <>)) || (type.GetGenericTypeDefinition() == typeof(HashSet <>))))
{
var obj = references[guid] = type.GetConstructor(Type.EmptyTypes).Invoke(null);
var itemType = type.GetGenericArguments()[0];
var addMethod = type.GetMethod("Add");
if (itemType == typeof(char))
{
foreach (var ch in Coder.ConvertString(xml.Attribute("Values").Value, Coder.CodePage.Base64, Coder.CodePage.UTF8))
{
addMethod.Invoke(obj, new object[] { ch });
}
}
else
{
foreach (var element in xml.Elements(itemTag))
{
addMethod.Invoke(obj, new object[] { rFromXML(element, itemType, references) });
}
}
return(obj);
}
else if ((type.IsGenericType) && (type.GetGenericTypeDefinition() == typeof(Dictionary <,>)))
{
var obj = references[guid] = type.GetConstructor(Type.EmptyTypes).Invoke(null);
var items = obj as IDictionary;
var keyType = type.GetGenericArguments()[0];
var valueType = type.GetGenericArguments()[1];
foreach (var element in xml.Elements(itemTag))
{
var key = element.Element(keyTag) as XObject ?? element.Attribute(keyTag) as XObject;
var value = element.Element(valueTag) as XObject ?? element.Attribute(valueTag) as XObject;
items.Add(rFromXML(key, keyType, references), rFromXML(value, valueType, references));
}
return(obj);
}
else
{
var fromXML = type.GetMethods(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Static).Where(method => method.GetCustomAttribute <FromXMLAttribute>() != null).FirstOrDefault();
if (fromXML != null)
{
return(references[guid] = fromXML.Invoke(null, new object[] { xml }));
}
var obj = references[guid] = FormatterServices.GetUninitializedObject(type);
var found = new HashSet <string>();
var fields = type.GetFields(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance);
foreach (var field in fields)
{
var fieldName = EscapeField(field, found);
var value = xml.Element(fieldName) as XObject ?? xml.Attribute(fieldName) as XObject;
if (value != null)
{
field.SetValue(obj, rFromXML(value, field.FieldType, references));
}
}
return(obj);
}
}