public object ReadValue(IStreamReader reader, ISerializeContext context, bool isReadTypeIdExpected)
{
context.Key = this.Name;
context.ArrayIndex = null;
if (isReadTypeIdExpected)
{
// read type of property
uint actualTypeId = reader.ReadUInt32();
if (TypeId != actualTypeId)
{
if (actualTypeId == (int)ItemType.ComplexObject)
{
// Special read > only null expected
byte contentObjType = reader.ReadUInt8();
if (contentObjType == ValueItem.NullValueIdent)
{
return(null);
}
else
{
throw new ArgumentException("ComplexObject type ID is only expected with null!");
}
}
var actualStructure = context.GetByTypeId(actualTypeId);
if (actualStructure == null)
{
// type not in local cache > type meta info exptected
actualStructure = TypeMetaStructure.ReadContentTypeMetaInfo(reader, actualTypeId, context);
}
if (actualStructure.IsTypePrefixExpected)
{
if (actualStructure is ITypePrefix)
{
// type id already consumed > do not read again
return(((ITypePrefix)actualStructure).ReadValue(reader, context, false));
}
else
{
return(actualStructure.ReadValue(reader, context));
}
}
else
{
// read content type because of unknown strucutre
byte contentObjType = reader.ReadUInt8();
if (contentObjType == ValueItem.NullValueIdent)
{
return(null);
}
else
{
return(actualStructure.ReadValue(reader, context));
}
}
}
}
byte contentType = reader.ReadUInt8();
if (contentType == ValueItem.TypeMetaInfo)
{
// type meta data already loaded for type id > skip data
TypeMetaStructure.SkipTypeMetaInfo(reader);
contentType = reader.ReadUInt8();
}
switch (contentType)
{
case ValueItem.SingleObjectIdent:
object newObject = TypeService.CreateInstance(concreteTargetType);
object oldParentObj = context.ParentObject;
context.ParentObject = newObject;
for (int itemIndex = 0; itemIndex < items.Count; itemIndex++)
{
var item = items[itemIndex];
var itemValue = item.ReadValue(reader, context);
item.SetItemValue(newObject, itemValue);
}
context.ParentObject = oldParentObj;
return(newObject);
case ValueItem.NullValueIdent:
return(null);
case ValueItem.CollectionObjectIdent:
throw new NotImplementedException();
default:
throw new InvalidOperationException($"Type ident {contentType} not expected!");
}
}
public object ReadValue(IStreamReader reader, ISerializeContext context)
{
byte contentType = reader.ReadUInt8();
context.Key = this.Name;
if (contentType == ValueItem.CollectionObjectIdent)
{
int count = reader.ReadInt32();
if (isArray)
{
Array array = Array.CreateInstance(itemType, count);
if (isByteArray)
{
return(reader.ReadBytes(count).ToArray());
}
else
{
for (int i = 0; i < count; i++)
{
context.ArrayIndex = i;
var item = itemStructure.ReadValue(reader, context);
array.SetValue(item, i);
}
context.ArrayIndex = null;
}
return(array);
}
else if (implementsIList)
{
IList coll = (IList)TypeService.CreateInstance(targetCollectionType);
for (int i = 0; i < count; i++)
{
context.ArrayIndex = i;
var item = itemStructure.ReadValue(reader, context);
coll.Add(item);
}
context.ArrayIndex = null;
return(coll);
}
else
{
object specialColl = TypeService.CreateInstance(targetCollectionType);
for (int i = 0; i < count; i++)
{
context.ArrayIndex = i;
var item = itemStructure.ReadValue(reader, context);
specialCollAddMethod.Invoke(specialColl, new object[] { item });
}
context.ArrayIndex = null;
return(specialColl);
}
}
else if (contentType == ValueItem.NullValueIdent)
{
return(null);
}
else if (contentType == ValueItem.TypeMetaInfo)
{
TypeMetaStructure.SkipTypeMetaInfo(reader);
return(this.ReadValue(reader, context));
}
else
{
throw new InvalidOperationException($"Type ident {contentType} not expected!");
}
}
