private static void SerializeXPathSerializableMember(
XDocument document,
object value,
SerializationContext context,
HashSet <object> objectsAlreadySerialized)
{
Debug.Assert(value != null);
var mappedElement = XmlOperations.GetOrCreateElement(document, context.Mapping.ElementXPath, context.NamespaceResolver);
// Emit type info if necessary
if (context.EmitTypeInfo)
{
if (mappedElement.Attribute(Constants.TypeInfoAttributeName) != null)
{
throw new SerializationException(
String.Format(
"Cannot serialize object with type information. Mapping XPath '{0}' is used by more than 1 value.",
context.Mapping.ElementXPath));
}
mappedElement.Add(new XAttribute(Constants.TypeInfoAttributeName, context.DeserializeAs.AssemblyQualifiedName.ToString()));
}
var innnerObjectXml = ToXmlInternal(
document,
((IXPathSerializable)value),
objectsAlreadySerialized,
useMembers: context.UseMembers,
parentMapping: context.Mapping,
emitTypeInfo: context.EmitTypeInfo,
version: context.Version,
provider: context.FormatProvider,
resolver: context.NamespaceResolver); // TODO: property filter - will not work (and btw now not even passed)
}
private static void LoadSimpleMemberFromXml(XElement mappedElement, SerializationContext context)
{
string value = null;
if (mappedElement != null)
{
value = XmlOperations.ExtractValueAsStringFromXml(context.Mapping, mappedElement, context.NamespaceResolver);
}
var convertedValue = XmlMemberSerialization.GetMemberActualValue(context.DeserializeAs, value, context);
context.Member.SetValue(context.Serializable, convertedValue);
}
private static void SerializeSimpleMember(
XDocument document,
object value,
SerializationContext context)
{
string valueString = XmlMemberSerialization.GetMemberXmlValue(value, context);
XmlOperations.PutValueConvertedToStringToXml(
document,
valueString,
context.DeserializeAs,
context.Mapping,
false,
context.EmitTypeInfo,
context.NamespaceResolver);
}
internal static void PutValueConvertedToStringToXml(
XDocument document,
string value,
Type deserializeAs,
Mapping mapping,
bool isArrayItem,
bool emitTypeInfo,
IXmlNamespaceResolver resolver)
{
if (value != null || mapping.IsXmlMandatory || isArrayItem)
{
var mappedElement = XmlOperations.GetOrCreateElement(document, mapping.ElementXPath, resolver);
if (mappedElement == null)
{
throw new SerializationException(
String.Format("Cannot serialize object. Could not find or create element with mapping XPath '{0}'.", mapping.ElementXPath));
}
if (value == null)
{
value = String.Empty;
}
if (String.IsNullOrWhiteSpace(mapping.AttributeName))
{
if (mapping.AsXml)
{
if (!String.IsNullOrWhiteSpace(value))
{
var wrappingElement = XElement.Parse("<root>" + value + "</root>");
mappedElement.Add(wrappingElement.Elements());
}
if (emitTypeInfo)
{
if (deserializeAs != null)
{
if (mappedElement.Attribute(Constants.TypeInfoAttributeName) != null)
{
throw new SerializationException(
String.Format("Cannot serialize object with type information. Mapping XPath '{0}' is used by more than 1 value.", mapping.ElementXPath));
}
mappedElement.Add(new XAttribute(Constants.TypeInfoAttributeName, deserializeAs.AssemblyQualifiedName.ToString()));
}
else
{
if (mappedElement.Attribute(Constants.NullValueAttributeName) != null)
{
throw new SerializationException(
String.Format("Cannot serialize object with type information. Mapping XPath '{0}' is used by more than 1 value.", mapping.ElementXPath));
}
mappedElement.Add(new XAttribute(Constants.NullValueAttributeName, "true"));
}
}
}
else if (isArrayItem)
{
var arrayItemElement = new XElement(mapping.ArrayItemElementName, value);
if (emitTypeInfo)
{
if (deserializeAs != null)
{
arrayItemElement.Add(new XAttribute(Constants.TypeInfoAttributeName, deserializeAs.AssemblyQualifiedName.ToString()));
}
else
{
arrayItemElement.Add(new XAttribute(Constants.NullValueAttributeName, "true"));
}
}
mappedElement.Add(arrayItemElement);
}
else
{
mappedElement.Value = value;
if (emitTypeInfo)
{
if (deserializeAs != null)
{
if (mappedElement.Attribute(Constants.TypeInfoAttributeName) != null)
{
throw new SerializationException(
String.Format("Cannot serialize object with type information. Mapping XPath '{0}' is used by more than 1 value.", mapping.ElementXPath));
}
mappedElement.Add(new XAttribute(Constants.TypeInfoAttributeName, deserializeAs.AssemblyQualifiedName.ToString()));
}
else
{
if (mappedElement.Attribute(Constants.NullValueAttributeName) != null)
{
throw new SerializationException(
String.Format("Cannot serialize object with type information. Mapping XPath '{0}' is used by more than 1 value.", mapping.ElementXPath));
}
mappedElement.Add(new XAttribute(Constants.NullValueAttributeName, "true"));
}
}
}
}
else
{
mappedElement.SetAttributeValue(XPathHelper.ConvertToXName(mapping.AttributeName, resolver), value);
}
}
}
private static void SerializeArrayMember(
XDocument document,
object array,
SerializationContext context,
HashSet <object> objectsAlreadySerialized)
{
Debug.Assert(array != null);
var mappedElement = XmlOperations.GetOrCreateElement(document, context.Mapping.ElementXPath, context.NamespaceResolver);
// Emit type info if necessary
if (context.EmitTypeInfo)
{
if (mappedElement.Attribute(Constants.TypeInfoAttributeName) != null)
{
throw new SerializationException(
String.Format(
"Cannot serialize object with type information. Mapping XPath '{0}' is used by more than 1 value.",
context.Mapping.ElementXPath));
}
mappedElement.Add(new XAttribute(Constants.TypeInfoAttributeName, context.DeserializeAs.AssemblyQualifiedName.ToString()));
}
foreach (var item in (IEnumerable)array)
{
var serializableItem = item as IXPathSerializable;
if (serializableItem != null)
{
var objectElement = ToXmlInternal(
new XDocument(),
serializableItem,
objectsAlreadySerialized,
useMembers: null,
parentMapping: null,
emitTypeInfo: context.EmitTypeInfo,
version: context.Version,
provider: context.FormatProvider,
resolver: context.NamespaceResolver).Root; // TODO: pass along every argument from outer ToXml
if (context.EmitTypeInfo)
{
objectElement.Add(new XAttribute(Constants.TypeInfoAttributeName, serializableItem.GetType().AssemblyQualifiedName.ToString()));
}
mappedElement.Add(objectElement);
}
else
{
string valueString = XmlMemberSerialization.GetMemberXmlValue(item, context);
Type deserializeItemAs = null;
if (item != null && context.EmitTypeInfo)
{
deserializeItemAs = item.GetType();
}
XmlOperations.PutValueConvertedToStringToXml(
document,
valueString,
deserializeItemAs,
context.Mapping,
true,
context.EmitTypeInfo,
context.NamespaceResolver);
}
}
}
private static XDocument ToXmlInternal(
XDocument document,
IXPathSerializable serializable,
HashSet <object> objectsAlreadySerialized,
MemberInfo[] useMembers,
Mapping parentMapping,
bool emitTypeInfo,
int version,
IFormatProvider provider,
XmlNamespaceManager resolver)
{
// Take care of circular references
if (objectsAlreadySerialized.Contains(serializable))
{
throw new SerializationException(
String.Format("A circular reference was detected while serializing an object of type '{0}'", serializable.GetType()));
}
else
{
objectsAlreadySerialized.Add(serializable);
}
if (document == null)
{
document = new XDocument();
}
// Initialize namespace resolver from class attributes
if (resolver == null)
{
resolver = new XmlNamespaceManager(new NameTable());
}
var namespaceAttributes = serializable.GetType().GetCustomAttributes(typeof(NamespacePrefixAttribute), true);
foreach (NamespacePrefixAttribute namespaceAttribute in namespaceAttributes)
{
resolver.AddNamespace(namespaceAttribute.Prefix, namespaceAttribute.Uri);
}
// Ensure minimal xml structure
var minimalXmlAttributes = serializable.GetType().GetCustomAttributes(typeof(MinimalXmlStructureAttribute), true);
if (minimalXmlAttributes != null)
{
foreach (MinimalXmlStructureAttribute minimalXmlAttribute in minimalXmlAttributes)
{
string xPath = minimalXmlAttribute.ElementXPath;
if (String.IsNullOrWhiteSpace(xPath))
{
xPath = XmlConvert.EncodeName(serializable.GetType().Name);
}
XmlOperations.GetOrCreateElement(document, xPath, resolver);
}
}
var typeInfo = SerializableTypeInfo.GetTypeInfo(serializable.GetType());
var membersToSerialize = typeInfo.Members.Where(x => useMembers == null || useMembers.Length == 0 || useMembers.Contains(x.MemberInfo));
SerializeMembers(
document,
serializable,
objectsAlreadySerialized,
membersToSerialize.ToArray(),
useMembers,
parentMapping,
emitTypeInfo,
version,
provider,
resolver);
// Return resulting document
return(document);
}
