private void WriteUnionHeader(IndentedTextWriter writer, ClassDefinition c, string name)
{
writer.WriteLine($"public sealed class {name} : Workstation.ServiceModel.Ua.Union");
}
public bool ParentHasOptionalProperties(ClassDefinition c)
{
var p = Definitions.OfType <ClassDefinition>().FirstOrDefault(d => d.DataTypeId == c.ParentDataTypeId);
return(p != null && (p.OptionalPropertyCount != 0 || ParentHasOptionalProperties(p)));
}
private void WriteDecodeMethod(IndentedTextWriter writer, ClassDefinition c, bool isDerived, bool parentIsStructure, bool parentHasOptionalFields)
{
var hasOptionalFields = c.OptionalPropertyCount != 0;
var modifier = isDerived ? "override" : "virtual";
WriteInheritDoc(writer);
writer.WriteLine($"public {modifier} void Decode(Workstation.ServiceModel.Ua.IDecoder decoder)");
writer.Begin("{");
if (hasOptionalFields && parentHasOptionalFields)
{
writer.WriteLine("int offset = base.OptionalFieldCount;");
writer.WriteLine();
}
if (isDerived && !parentIsStructure)
{
writer.WriteLine("base.Decode(decoder);");
}
writer.WriteLine($"decoder.PushNamespace({ToStringLiteral(c.Namespace)});");
writer.WriteLine();
if (hasOptionalFields)
{
if (!parentHasOptionalFields)
{
writer.WriteLine("var encodingMask = decoder.ReadUInt32(null);");
writer.WriteLine("EncodingMask = encodingMask;");
}
else
{
writer.WriteLine("var encodingMask = EncodingMask;");
}
writer.WriteLine();
}
var index = 0;
foreach (var p in c.Properties)
{
var netType = _typeSet.GetNetType(p.DataTypeId);
var suffix = RenderMethodSuffix(netType, p.Rank);
var type = RenderType(p, isOptional: true);
if (p.IsOptional)
{
if (parentHasOptionalFields)
{
writer.WriteLine($"{p.SymbolicName} = (encodingMask & (1u << ({index} + offset))) != 0");
}
else
{
writer.WriteLine($"{p.SymbolicName} = (encodingMask & (1u << {index})) != 0");
}
writer.Indent++;
writer.WriteLine($"? decoder.Read{suffix}({ToStringLiteral(p.OpcUaName)})");
writer.WriteLine($": default({type});");
writer.Indent--;
index++;
}
else
{
writer.WriteLine($"{p.SymbolicName} = decoder.Read{suffix}({ToStringLiteral(p.OpcUaName)});");
}
}
writer.WriteLine();
writer.WriteLine("decoder.PopNamespace();");
writer.End("}");
}