public static bool StreamProtoEnum <TDoc, TCursor>(this IO.TagElementStream <TDoc, TCursor, string> s
, string xmlName, ref int dbid
, Collections.IProtoEnum protoEnum
, bool isOptional = true, IO.TagElementNodeType xmlSource = XML.XmlUtil.kSourceElement
, int isOptionalDefaultValue = TypeExtensions.kNone)
where TDoc : class
where TCursor : class
{
Contract.Requires(xmlSource.RequiresName() == (xmlName != XML.XmlUtil.kNoXmlName));
Contract.Requires(protoEnum != null);
string id_name = null;
bool was_streamed = true;
bool to_lower = false;
if (s.IsReading)
{
if (isOptional)
{
was_streamed = s.StreamStringOpt(xmlName, ref id_name, to_lower, xmlSource, intern: true);
}
else
{
s.StreamString(xmlName, ref id_name, to_lower, xmlSource, intern: true);
}
if (was_streamed)
{
dbid = protoEnum.TryGetMemberId(id_name);
Contract.Assert(dbid.IsNotNone(), id_name);
}
//else
// dbid = isOptionalDefaultValue;
}
else if (s.IsWriting)
{
if (isOptional && isOptionalDefaultValue.IsNotNone() && isOptionalDefaultValue == dbid)
{
was_streamed = false;
return(was_streamed);
}
id_name = protoEnum.TryGetMemberName(dbid);
if (id_name.IsNullOrEmpty())
{
Contract.Assert(!id_name.IsNullOrEmpty(), dbid.ToString());
}
if (isOptional)
{
s.StreamStringOpt(xmlName, ref id_name, to_lower, xmlSource, intern: true);
}
else
{
s.StreamString(xmlName, ref id_name, to_lower, xmlSource, intern: true);
}
}
return(was_streamed);
}
public static int TryGetId(this Collections.IProtoEnum dbi, string name)
{
if (dbi == null)
{
return(TypeExtensions.kNone);
}
return(dbi.TryGetMemberId(name));
}
void ReadNodes <TDoc, TCursor>(IO.TagElementStream <TDoc, TCursor, string> s)
where TDoc : class
where TCursor : class
{
var xs = s.GetSerializerInterface();
Collections.IProtoEnum penum = Bits.InitializeFromEnum(xs.Database);
if (Params.ElementItselfMeansTrue)
{
var getDefault = Bits.Params.kGetMemberDefaultValue;
foreach (var e in s.Elements)
{
var element_name = s.GetElementName(e);
int id = penum.TryGetMemberId(element_name);
if (id.IsNone())
{
continue;
}
bool flag = true;
s.StreamElementOpt(element_name, ref flag);
if (getDefault != null && flag != getDefault(id))
{
// do nothing, allow the Set call below
}
else if (!flag)
{
continue;
}
Bits.Set(id, flag);
}
}
else
{
foreach (var n in s.ElementsByName(Params.ElementName))
{
using (s.EnterCursorBookmark(n))
{
string name = null;
Params.StreamDataName(s, ref name);
int id = penum.GetMemberId(name);
Bits.Set(id);
}
}
}
Bits.OptimizeStorage();
}