/// <summary>
/// Creates a new SerializeType based on a <see cref="System.Type"/>, gathering all the information that is necessary for serialization.
/// </summary>
/// <param name="t"></param>
public SerializeType(Type t)
{
this.type = t.GetTypeInfo();
this.typeString = t.GetTypeId();
this.dataType = GetDataType(this.type);
this.dontSerialize = this.type.HasAttributeCached <DontSerializeAttribute>();
this.defaultValue = this.type.GetDefaultOf();
this.surrogate = Serializer.GetSurrogateFor(this.type);
if (this.dataType == DataType.Struct && this.surrogate == null)
{
// Retrieve all fields that are not flagged not to be serialized
List <FieldInfo> filteredFields = this.type
.DeclaredFieldsDeep()
.Where(f => !f.IsStatic && !f.HasAttributeCached <DontSerializeAttribute>())
.ToList();
// Hack: Remove some specific fields based on an internal blacklist
this.RemoveBlacklistedFields(filteredFields);
// Store the filtered fields in a fixed form
this.fields = filteredFields.ToArray();
this.fields.StableSort((a, b) => string.Compare(a.Name, b.Name));
}
else
{
this.fields = new FieldInfo[0];
}
}
private void WriteStruct(object obj, ObjectHeader header)
{
ISerializeExplicit objAsCustom = obj as ISerializeExplicit;
ISerializeSurrogate objSurrogate = GetSurrogateFor(header.ObjectType);
this.writer.Write(objAsCustom != null);
this.writer.Write(objSurrogate != null);
if (objSurrogate != null)
{
objSurrogate.RealObject = obj;
objAsCustom = objSurrogate.SurrogateObject;
CustomSerialIO customIO = new CustomSerialIO();
try { objSurrogate.WriteConstructorData(customIO); }
catch (Exception e) { this.LogCustomSerializationError(header.ObjectId, header.ObjectType, e); }
customIO.Serialize(this);
}
if (objAsCustom != null)
{
CustomSerialIO customIO = new CustomSerialIO();
try { objAsCustom.WriteData(customIO); }
catch (Exception e) { this.LogCustomSerializationError(header.ObjectId, header.ObjectType, e); }
customIO.Serialize(this);
}
else
{
// Assure the type data layout has been written (only once per file)
this.WriteTypeDataLayout(header.SerializeType);
// If we're serializing a value type, skip the entire object body if
// it equals the zero-init struct. This will keep struct-heavy data a lot
// smaller binary-wise.
bool skipEntireBody =
header.ObjectType.IsValueType &&
object.Equals(obj, header.SerializeType.DefaultValue);
// Write omitted field bitmask
bool[] fieldOmitted = new bool[header.SerializeType.Fields.Length];
for (int i = 0; i < fieldOmitted.Length; i++)
{
fieldOmitted[i] = skipEntireBody || this.IsFieldBlocked(header.SerializeType.Fields[i], obj);
}
this.WriteArrayData(fieldOmitted);
// Write the structs fields
for (int i = 0; i < header.SerializeType.Fields.Length; i++)
{
if (fieldOmitted[i])
{
continue;
}
this.WriteObjectData(header.SerializeType.Fields[i].GetValue(obj));
}
}
}
private void WriteStruct(XElement element, object obj, ObjectHeader header)
{
ISerializeExplicit objAsCustom = obj as ISerializeExplicit;
ISerializeSurrogate objSurrogate = GetSurrogateFor(header.ObjectType);
// Write the structs data type
if (objAsCustom != null)
{
element.SetAttributeValue("custom", XmlConvert.ToString(true));
}
if (objSurrogate != null)
{
element.SetAttributeValue("surrogate", XmlConvert.ToString(true));
}
if (objSurrogate != null)
{
objSurrogate.RealObject = obj;
objAsCustom = objSurrogate.SurrogateObject;
CustomSerialIO customIO = new CustomSerialIO();
try { objSurrogate.WriteConstructorData(customIO); }
catch (Exception e) { this.LogCustomSerializationError(header.ObjectId, header.ObjectType, e); }
XElement customHeaderElement = new XElement(CustomSerialIO.HeaderElement);
element.Add(customHeaderElement);
customIO.Serialize(this, customHeaderElement);
}
if (objAsCustom != null)
{
CustomSerialIO customIO = new CustomSerialIO();
try { objAsCustom.WriteData(customIO); }
catch (Exception e) { this.LogCustomSerializationError(header.ObjectId, header.ObjectType, e); }
XElement customBodyElement = new XElement(CustomSerialIO.BodyElement);
element.Add(customBodyElement);
customIO.Serialize(this, customBodyElement);
}
else
{
// Write the structs fields
foreach (FieldInfo field in header.SerializeType.Fields)
{
if (this.IsFieldBlocked(field, obj))
{
continue;
}
XElement fieldElement = new XElement(GetXmlElementName(field.Name));
element.Add(fieldElement);
this.WriteObjectData(fieldElement, field.GetValue(obj));
}
}
}
private void WriteStruct(object obj, ObjectHeader header)
{
ISerializeExplicit objAsCustom = obj as ISerializeExplicit;
ISerializeSurrogate objSurrogate = GetSurrogateFor(header.ObjectType);
this.writer.Write(objAsCustom != null);
this.writer.Write(objSurrogate != null);
if (objSurrogate != null)
{
objSurrogate.RealObject = obj;
objAsCustom = objSurrogate.SurrogateObject;
CustomSerialIO customIO = new CustomSerialIO();
try { objSurrogate.WriteConstructorData(customIO); }
catch (Exception e) { this.LogCustomSerializationError(header.ObjectId, header.ObjectType, e); }
customIO.Serialize(this);
}
if (objAsCustom != null)
{
CustomSerialIO customIO = new CustomSerialIO();
try { objAsCustom.WriteData(customIO); }
catch (Exception e) { this.LogCustomSerializationError(header.ObjectId, header.ObjectType, e); }
customIO.Serialize(this);
}
else
{
// Assure the type data layout has been written (only once per file)
this.WriteTypeDataLayout(header.SerializeType);
// Write omitted field bitmask
bool[] fieldOmitted = new bool[header.SerializeType.Fields.Length];
for (int i = 0; i < fieldOmitted.Length; i++)
{
fieldOmitted[i] = this.IsFieldBlocked(header.SerializeType.Fields[i], obj);
}
this.WriteArrayData(fieldOmitted);
// Write the structs fields
for (int i = 0; i < header.SerializeType.Fields.Length; i++)
{
if (fieldOmitted[i])
{
continue;
}
this.WriteObjectData(header.SerializeType.Fields[i].GetValue(obj));
}
}
}
private object ReadStruct(XElement element, ObjectHeader header)
{
// Read struct type
string customString = element.GetAttributeValue("custom");
string surrogateString = element.GetAttributeValue("surrogate");
bool custom = customString != null && XmlConvert.ToBoolean(customString);
bool surrogate = surrogateString != null && XmlConvert.ToBoolean(surrogateString);
// Retrieve surrogate if requested
ISerializeSurrogate objSurrogate = null;
if (surrogate && header.ObjectType != null)
{
objSurrogate = GetSurrogateFor(header.ObjectType);
}
// Construct object
object obj = null;
if (header.ObjectType != null)
{
if (objSurrogate != null)
{
custom = true;
// Set fake object reference for surrogate constructor: No self-references allowed here.
this.idManager.Inject(null, header.ObjectId);
CustomSerialIO customIO = new CustomSerialIO();
XElement customHeaderElement = element.Element(CustomSerialIO.HeaderElement) ?? element.Elements().FirstOrDefault();
if (customHeaderElement != null)
{
customIO.Deserialize(this, customHeaderElement);
}
try { obj = objSurrogate.ConstructObject(customIO, header.ObjectType); }
catch (Exception e) { this.LogCustomDeserializationError(header.ObjectId, header.ObjectType, e); }
}
if (obj == null)
{
obj = header.ObjectType.CreateInstanceOf();
}
}
// Prepare object reference
this.idManager.Inject(obj, header.ObjectId);
// Read custom object data
if (custom)
{
CustomSerialIO customIO = new CustomSerialIO();
XElement customBodyElement = element.Element(CustomSerialIO.BodyElement) ?? element.Elements().ElementAtOrDefault(1);
if (customBodyElement != null)
{
customIO.Deserialize(this, customBodyElement);
}
ISerializeExplicit objAsCustom;
if (objSurrogate != null)
{
objSurrogate.RealObject = obj;
objAsCustom = objSurrogate.SurrogateObject;
}
else
{
objAsCustom = obj as ISerializeExplicit;
}
if (objAsCustom != null)
{
try { objAsCustom.ReadData(customIO); }
catch (Exception e) { this.LogCustomDeserializationError(header.ObjectId, header.ObjectType, e); }
}
else if (obj != null && header.ObjectType != null)
{
this.LocalLog.WriteWarning(
"Object data (Id {0}) is flagged for custom deserialization, yet the objects Type ('{1}') does not support it. Guessing associated fields...",
header.ObjectId,
Log.Type(header.ObjectType));
this.LocalLog.PushIndent();
foreach (var pair in customIO.Data)
{
this.AssignValueToField(header.SerializeType, obj, pair.Key, pair.Value);
}
this.LocalLog.PopIndent();
}
}
// Red non-custom object data
else if (!element.IsEmpty)
{
// Read fields
object fieldValue;
foreach (XElement fieldElement in element.Elements())
{
fieldValue = this.ReadObjectData(fieldElement);
this.AssignValueToField(header.SerializeType, obj, GetCodeElementName(fieldElement.Name.LocalName), fieldValue);
}
}
return(obj);
}
private void WriteStruct(XElement element, object obj, ObjectHeader header)
{
ISerializeExplicit objAsCustom = obj as ISerializeExplicit;
ISerializeSurrogate objSurrogate = GetSurrogateFor(header.ObjectType);
// If we're serializing a value type, skip the entire object body if
// it equals the zero-init struct. This will keep struct-heavy data a lot
// more concise.
if (header.ObjectType.IsValueType &&
object.Equals(obj, header.SerializeType.DefaultValue))
{
return;
}
// Write information about custom or surrogate serialization
if (objAsCustom != null)
{
element.SetAttributeValue("custom", XmlConvert.ToString(true));
}
if (objSurrogate != null)
{
element.SetAttributeValue("surrogate", XmlConvert.ToString(true));
}
if (objSurrogate != null)
{
objSurrogate.RealObject = obj;
objAsCustom = objSurrogate.SurrogateObject;
CustomSerialIO customIO = new CustomSerialIO();
try { objSurrogate.WriteConstructorData(customIO); }
catch (Exception e) { this.LogCustomSerializationError(header.ObjectId, header.ObjectType, e); }
XElement customHeaderElement = new XElement(CustomSerialIO.HeaderElement);
element.Add(customHeaderElement);
customIO.Serialize(this, customHeaderElement);
}
if (objAsCustom != null)
{
CustomSerialIO customIO = new CustomSerialIO();
try { objAsCustom.WriteData(customIO); }
catch (Exception e) { this.LogCustomSerializationError(header.ObjectId, header.ObjectType, e); }
XElement customBodyElement = new XElement(CustomSerialIO.BodyElement);
element.Add(customBodyElement);
customIO.Serialize(this, customBodyElement);
}
else
{
// Write the structs fields
foreach (FieldInfo field in header.SerializeType.Fields)
{
if (this.IsFieldBlocked(field, obj))
{
continue;
}
XElement fieldElement = new XElement(GetXmlElementName(field.Name));
element.Add(fieldElement);
this.WriteObjectData(fieldElement, field.GetValue(obj));
}
}
}
private object ReadStruct(ObjectHeader header)
{
// Read struct type
bool custom = this.reader.ReadBoolean();
bool surrogate = this.reader.ReadBoolean();
// Retrieve surrogate if requested
ISerializeSurrogate objSurrogate = null;
if (surrogate && header.ObjectType != null)
{
objSurrogate = GetSurrogateFor(header.ObjectType);
}
// Construct object
object obj = null;
if (header.ObjectType != null)
{
if (objSurrogate != null)
{
custom = true;
// Set fake object reference for surrogate constructor: No self-references allowed here.
this.idManager.Inject(null, header.ObjectId);
CustomSerialIO customIO = new CustomSerialIO();
customIO.Deserialize(this);
try { obj = objSurrogate.ConstructObject(customIO, header.ObjectType); }
catch (Exception e) { this.LogCustomDeserializationError(header.ObjectId, header.ObjectType, e); }
}
if (obj == null)
{
obj = header.ObjectType.CreateInstanceOf();
}
}
// Prepare object reference
this.idManager.Inject(obj, header.ObjectId);
// Read custom object data
if (custom)
{
CustomSerialIO customIO = new CustomSerialIO();
customIO.Deserialize(this);
ISerializeExplicit objAsCustom;
if (objSurrogate != null)
{
objSurrogate.RealObject = obj;
objAsCustom = objSurrogate.SurrogateObject;
}
else
{
objAsCustom = obj as ISerializeExplicit;
}
if (objAsCustom != null)
{
try { objAsCustom.ReadData(customIO); }
catch (Exception e) { this.LogCustomDeserializationError(header.ObjectId, header.ObjectType, e); }
}
else if (obj != null && header.ObjectType != null)
{
this.LocalLog.WriteWarning(
"Object data (Id {0}) is flagged for custom deserialization, yet the objects Type ('{1}') does not support it. Guessing associated fields...",
header.ObjectId,
Log.Type(header.ObjectType));
this.LocalLog.PushIndent();
foreach (var pair in customIO.Data)
{
this.AssignValueToField(header.SerializeType, obj, pair.Key, pair.Value);
}
this.LocalLog.PopIndent();
}
}
// Red non-custom object data
else
{
// Determine data layout
TypeDataLayout layout = this.ReadTypeDataLayout(header.TypeString);
// Read fields
bool[] fieldOmitted = new bool[layout.Fields.Length];
this.ReadArrayData(fieldOmitted);
for (int i = 0; i < layout.Fields.Length; i++)
{
if (fieldOmitted[i])
{
continue;
}
object fieldValue = this.ReadObjectData();
this.AssignValueToField(header.SerializeType, obj, layout.Fields[i].name, fieldValue);
}
}
return(obj);
}
