/// <summary>
/// <see cref="SerializedData.LoadFields(List{SerializerError}, PrototypeParserState)"/>
/// </summary>
/// <param name="errors"></param>
/// <param name="filename">The filename from where data will be parsed. Only used for error reporting.</param>
public void ParseAndLoadData(string filename, List <SerializerError> errors, XMLSerializerParams parameters)
{
var elementNodes = xElement.Nodes().ToList();
var collection = GetCollectionInstance(this.collectionType, elementNodes.Count);
Type elementType = GetElementType(this.collectionType);
var elementTypeCache = SerializerCache.GetSerializableTypeCacheFor(elementType);
string elementTypeName = elementType.Name;
foreach (var node in elementNodes)
{
var xElementNode = node as XElement;
if (ReferenceEquals(xElementNode, null)) // Malformed XML
{
errors.Add(new SerializerError(SerializerErrorSeverity.ERROR, filename, (node as IXmlLineInfo).LineNumber, "Unable to cast node to element for " + node + "! Skipping element!"));
continue;
}
IXMLDataSerializer serializer = SerializerCache.GetBestSerializerFor(elementType);
if (!ReferenceEquals(serializer, null))
{
try
{
if (!SerializerValidation.SerializerWasFound(parameters, null, serializer, "Collection", null, elementType, "SERIALIZE", errors))
{
continue;
}
this.elements.Add(serializer.Deserialize(elementType, xElementNode, parameters));
}
catch (Exception ex)
{
errors.Add(new SerializerError(SerializerErrorSeverity.ERROR, "SERIALIZE", -1, "Serializer threw exception on collection of type " + elementType + ":\n\n" + ex.ToString() + "\n\nSkipping element!"));
}
}
else if (typeof(ISerializableRoot).IsAssignableFrom(elementType))
{
// object ref
this.elements.Add(new SerializedRootObjectReference()
{
identifier = xElementNode.Value
});
}
else
{
// Determine type
var serializableTypeCache = elementTypeCache;
string typeName = elementTypeName;
// Try to read class attrib
var classAttrib = xElementNode.Attribute(XMLSerializer.AttributeType);
if (!ReferenceEquals(classAttrib, null))
{
serializableTypeCache = SerializerCache.GetSerializableTypeCacheFor(classAttrib.Value, parameters.standardNamespace);
typeName = classAttrib.Value;
}
// Validity checks
// Field not serializable?
if (ReferenceEquals(serializableTypeCache, null))
{
// TODO: Line number, better reporting as to why this type is unserializable!
errors.Add(new SerializerError(SerializerErrorSeverity.ERROR, filename, -1, "Collection element with unknown type " + typeName + " unserializable! Skipping field!"));
continue;
}
// Add element
this.elements.Add(new SerializedData(serializableTypeCache, xElementNode));
}
}
foreach (var element in this.elements)
{
var sElement = element as SerializedData;
if (!ReferenceEquals(sElement, null))
{
sElement.LoadFieldsFromXML(filename, errors, parameters);
}
}
}
/// <summary>
/// Serializes the collection obj to <see cref="xElement"/>.
/// </summary>
/// <param name="targetElement">The element to write the loaded data to.</param>
/// <param name="obj">The collection to load and write to <see cref="xElement"/></param>
/// <param name="referenceables">Serializable object roots which will possibly be referenced by elements in obj.</param>
public void WriteFromObject(object collection, XElement targetElement, List <SerializerError> errors, XMLSerializerParams parameters)
{
Type elementType = GetElementType(this.collectionType);
var elementTypeCache = SerializerCache.GetSerializableTypeCacheFor(elementType);
string elementTypeName = elementType.Name;
foreach (var obj in (collection as IEnumerable))
{
XElement _targetElement = new XElement("li");
targetElement.Add(_targetElement);
if (obj == null)
{
_targetElement.Add(XMLSerializer.TokenNull);
continue;
}
var objType = obj.GetType();
IXMLDataSerializer serializer = SerializerCache.GetBestSerializerFor(objType);
if (!ReferenceEquals(serializer, null))
{
try
{
if (!SerializerValidation.SerializerWasFound(parameters, null, serializer, "Collection", null, objType, "SERIALIZE", errors))
{
continue;
}
serializer.Serialize(obj, _targetElement, parameters);
}
catch (Exception ex)
{
errors.Add(new SerializerError(SerializerErrorSeverity.ERROR, "SERIALIZE", -1, "Serializer threw exception on collection of type " + objType + ":\n\n" + ex.ToString() + "\n\nSkipping field!"));
}
}
else if (typeof(ISerializableRoot).IsAssignableFrom(elementType))
{
// object ref
_targetElement.Value = (obj as ISerializableRoot).identifier;
}
else
{
// Determine type
var serializableTypeCache = elementTypeCache;
string typeName = elementTypeName;
// Write class attribute
_targetElement.SetAttributeValue(XMLSerializer.AttributeType, typeName);
// Validity checks
// Field not serializable?
if (ReferenceEquals(serializableTypeCache, null))
{
errors.Add(new SerializerError(SerializerErrorSeverity.ERROR, "SERIALIZER", -1, "Collection element with unknown type " + typeName + " unserializable! Skipping element!"));
continue;
}
// Add element
new SerializedData(serializableTypeCache, _targetElement).WriteFromObject(obj, errors, parameters);
}
}
}
public void WriteFromObject(object obj, List <SerializerError> errors, XMLSerializerParams parameters)
{
targetType.GetAllFields(_fields);
foreach (var fieldData in _fields)
{
if (!fieldData.isSerialized)
{
continue;
}
string fieldName = fieldData.fieldInfo.Name;
XElement targetElement = new XElement(fieldName);
xElement.Add(targetElement);
var fieldObj = fieldData.fieldInfo.GetValue(obj);
if (fieldObj == null) // Null special case
{
if (!fieldData.fieldInfo.GetCustomAttributes(true).Any((attrib) => attrib is AlwaysSerializedAttribute))
{
return;
}
targetElement.Value = XMLSerializer.TokenNull;
continue;
}
var fieldObjType = SerializerCache.GetSerializableTypeCacheFor(fieldObj.GetType());
bool isCollection = SerializedCollectionData.IsCollection(fieldData.fieldInfo.FieldType);
IXMLDataSerializer serializer = SerializerCache.GetBestSerializerFor(fieldData.fieldInfo.FieldType);
if (!ReferenceEquals(serializer, null))
{
try
{
if (!SerializerValidation.SerializerWasFound(parameters, targetElement, serializer, fieldName, fieldObjType == null ? null : fieldObjType.type, fieldObjType == null ? null : fieldObjType.type, "SERIALIZE", errors))
{
continue;
}
serializer.Serialize(fieldObj, targetElement, parameters);
}
catch (Exception ex)
{
errors.Add(new SerializerError(SerializerErrorSeverity.ERROR, "SERIALIZE", -1, "Serializer threw exception on field " + fieldName + " on type " + fieldObjType.type + ":\n\n" + ex.ToString() + "\n\nSkipping field!"));
}
}
else if (isCollection)
{
var col = new SerializedCollectionData(fieldData.fieldInfo.FieldType, targetElement);
col.WriteFromObject(fieldObj, targetElement, errors, parameters);
}
else
{
// root reference?
if (fieldData.isSerializableRoot)
{
targetElement.Value = (fieldObj as ISerializableRoot).identifier;
}
else
{
// Determine which type to serialize
string typeName = fieldObjType.type.Name;
// Write class attribute
if (!ReferenceEquals(fieldData.fieldInfo.FieldType, fieldObjType.type))
{
targetElement.SetAttributeValue(XMLSerializer.AttributeType, typeName);
}
// Field not serializable?
if (!SerializerValidation.DataFieldSerializerValid(parameters, targetElement, fieldObjType, typeName, fieldName, "SERIALIZE", errors))
{
continue;
}
// Write field
var d = new SerializedData(fieldObjType, targetElement);
d.WriteFromObject(fieldObj, errors, parameters);
}
}
}
}
public static bool SerializerWasFound(XMLSerializerParams parameters, IXmlLineInfo debug, IXMLDataSerializer serializer, string field, Type declaringType, Type fieldType, string filename, List <SerializerError> errors)
{
if (ReferenceEquals(serializer, null))
{
// TODO: Line number
string msg = string.Format("Serializer for field {0} on type {1} (Field type: {2}) could not be found!", field, declaringType, fieldType);
errors.Add(new SerializerError(SerializerErrorSeverity.ERROR, filename, ReferenceEquals(debug, null) ? -1 : debug.LineNumber, msg));
return(false);
}
return(true);
}
/// <summary>
/// It will for every field with string data deserialize this data using <see cref="IXMLDataSerializer"/>.
///
/// For every sub-data field a <see cref="SerializedData"/> object is being written to <see cref="fields"/>.
/// </summary>
/// <param name="filename">Only used for error reporting</param>
public void LoadFieldsFromXML(string filename, List <SerializerError> errors, XMLSerializerParams parameters)
{
foreach (var xNode in xElement.Nodes())
{
if (!SerializerValidation.NodeIsElement(parameters, xNode, filename, errors)) // Malformed XML
{
continue;
}
var xElement = xNode as XElement;
var elementName = xElement.Name.LocalName;
// Field unknown?
if (!SerializerValidation.FieldKnown(parameters, xElement, targetType, elementName, filename, errors))
{
continue;
}
debug.Add(elementName, xElement);
var _fieldData = targetType.GetFieldData(elementName);
var fieldData = _fieldData.Value;
var fieldType = fieldData.serializableTypeCache;
if (xElement.Value == XMLSerializer.TokenNull) // Null special case
{
fields.Add(elementName, null);
continue;
}
bool isCollection = SerializedCollectionData.IsCollection(fieldData.fieldInfo.FieldType);
IXMLDataSerializer serializer = SerializerCache.GetBestSerializerFor(fieldData.fieldInfo.FieldType);
if (!ReferenceEquals(serializer, null))
{
try
{
if (!SerializerValidation.SerializerWasFound(parameters, xElement, serializer, elementName, targetType == null ? null : targetType.type, fieldType == null ? null : fieldType.type, filename, errors))
{
continue;
}
fields.Add(elementName, serializer.Deserialize(fieldData.fieldInfo.FieldType, xElement, parameters));
}
catch (Exception ex)
{
errors.Add(new SerializerError(SerializerErrorSeverity.ERROR, filename, -1, "Serializer threw exception on field " + elementName + " on type " + targetType.type + ":\n\n" + ex.ToString() + "\n\nSkipping field!"));
}
}
else if (isCollection)
{
var col = new SerializedCollectionData(fieldData.fieldInfo.FieldType, xElement);
col.ParseAndLoadData(filename, errors, parameters);
fields.Add(elementName, col);
// Collection override action?
var collectionOverrideAttrib = xElement.Attribute(XMLSerializer.AttributeCollectionOverrideAction);
if (!ReferenceEquals(collectionOverrideAttrib, null))
{
collectionOverrideActions.Set(elementName, (CollectionOverrideAction)Enum.Parse(typeof(CollectionOverrideAction), collectionOverrideAttrib.Value));
}
}
else
{
// root reference?
if (fieldData.isSerializableRoot)
{
fields.Add(elementName, new SerializedRootObjectReference()
{
identifier = xElement.Value as string
});
}
else
{
// Determine which type to serialize
var targetType = fieldData.serializableTypeCache;
string typeName = fieldData.fieldInfo.Name;
// Check if element explicitly overwrites the type to support polymorphism
// The field type might be some base class type and the xml overwrites this type with a class extending from the base
var classAttrib = xElement.Attribute(XMLSerializer.AttributeType);
if (!ReferenceEquals(classAttrib, null))
{
targetType = SerializerCache.GetSerializableTypeCacheFor(classAttrib.Value, parameters.standardNamespace);
typeName = classAttrib.Value;
}
// Field not serializable?
if (!SerializerValidation.DataFieldSerializerValid(parameters, xElement, targetType, typeName, elementName, filename, errors))
{
continue;
}
// Resolve field name type
var d = new SerializedData(targetType, xElement as XElement);
d.LoadFieldsFromXML(filename, errors, parameters);
fields.Add(elementName, d);
}
}
}
}
