void ReadAlignment(BitStreamReader reader, VoidDsdlType t)
{
var amount = t.MaxBitlen;
while (amount > 8)
{
reader.ReadByte(8);
amount -= 8;
}
if (amount > 0)
{
reader.ReadByte(amount);
}
}
void WriteAlignment(BitStreamWriter writer, VoidDsdlType t)
{
var amount = t.MaxBitlen;
while (amount > 8)
{
writer.Write(0, 8);
amount -= 8;
}
if (amount > 0)
{
writer.Write(0, amount);
}
}
void SerializeObjectCore(
BitStreamWriter writer,
Func <string, ResolvedProperty?> propertyResolver,
ContainerContract containerContract,
DsdlType derivedDsdlType,
bool tailArrayOptimization)
{
var dsdlScheme = GetScheme <CompositeDsdlTypeBase>(containerContract, derivedDsdlType);
//WriteObjectStart(writer, value, contract, member, collectionContract, containerProperty);
VoidDsdlType voidDsdlType = null;
int voidDsdlTypeIndex = -1;
var isUnion = dsdlScheme.IsUnion;
var unionMemberFound = false;
for (int i = 0; i < dsdlScheme.Fields.Count; i++)
{
var dsdlMember = dsdlScheme.Fields[i];
var isLastMember = i == dsdlScheme.Fields.Count - 1;
if ((voidDsdlType = (dsdlMember.Type as VoidDsdlType)) != null)
{
voidDsdlTypeIndex = i;
if (!isUnion)
{
WriteAlignment(writer, voidDsdlType);
}
continue;
}
var resolvedProp = propertyResolver(dsdlMember.Name);
if (isUnion)
{
if (resolvedProp == null)
{
continue;
}
if (unionMemberFound)
{
throw new InvalidOperationException($"Cannot find single union value for type '{containerContract.UnderlyingType.FullName}'.");
}
unionMemberFound = true;
WriteUnionFieldIndex(writer, i, dsdlScheme);
var rp = resolvedProp.Value;
SerializeValue(writer, rp.MemberValue, rp.MemberContact, dsdlMember.Type);
}
else
{
if (resolvedProp == null)
{
throw new InvalidOperationException($"Cannot resove member '{containerContract.UnderlyingType.FullName}.{dsdlMember.Name}'.");
}
var rp = resolvedProp.Value;
var tao = tailArrayOptimization &&
isLastMember &&
dsdlMember.Type is ArrayDsdlType adt;
SerializeValue(writer, rp.MemberValue, rp.MemberContact, dsdlMember.Type, tao);
}
}
if (isUnion && !unionMemberFound)
{
if (voidDsdlType != null)
{
WriteUnionFieldIndex(writer, voidDsdlTypeIndex, dsdlScheme);
WriteAlignment(writer, voidDsdlType);
}
else
{
throw new InvalidOperationException($"Cannot find union value for '{containerContract.UnderlyingType.FullName}' type.");
}
}
}