void UniversalWriterAttributes(SerializationWriterContext ctx, object instance, IEnumerable <Element> elements)
{
// PROPERTY as ATTRIBUTE:
// primitive
// composite null
foreach (var element in elements.OrderBy(x => x.Name))
{
var val = element.GetValue(instance);
if (IsInAttrib(val))
{
if (element.DefaultValueAttribute == null || !Equals(element.DefaultValueAttribute.Value, val))
{
if (ReferenceEquals(null, val))
{
var x = ctx.GetAliasFor("http://schemas.microsoft.com/winfx/2006/xaml");
val = $"{{{x}:Null}}";
}
val = ConvertToString(val);
ctx.Write($@" {element.Name}=""{val}""");
}
}
}
}
void UniversalWriter(SerializationWriterContext ctx, object instance)
{
var type = instance.GetType();
var meta = GetTypeMetada(type);
var elements = meta.Elements;
ctx.NamespacesUsed.Add(meta.XmlNamespace);
string alias;
if (ctx.Indentation > 0 && meta.XmlNamespace != ctx.RootNamespace || meta.IsX())
{
alias = ctx.GetAliasFor(meta.XmlNamespace) + ':';
}
else
{
alias = null;
ctx.RootNamespace = meta.XmlNamespace;
}
if (ctx.Indentation != 0 && ctx.Result[ctx.Result.Length - 1] != '\n')
{
ctx.Result.AppendLine();
}
ctx.Write($"{Indentation(ctx.Indentation)}<{alias}{type.Name}");
UniversalWriterAttributes(ctx, instance, elements);
// <nested in new builder>
var subCtx = ctx.Nested();
UniversalWriterSubnodes(subCtx, instance, elements);
// </nested in new builder>
if (!ctx.XmlnsEmited && ctx.Indentation == 0)
{
if (!string.IsNullOrEmpty(ctx.RootNamespace))
{
ctx.Write($" xmlns=\"{ctx.RootNamespace}\"");
}
foreach (var ns in ctx.NamespacesUsed)
{
if (ns != ctx.RootNamespace)
{
ctx.Write($" xmlns:{ctx.GetAliasFor(ns)}=\"{ns}\"");
}
}
ctx.XmlnsEmited = true;
}
// <body>
string body = null;
if (meta.IsBody())
{
body = string.Format(CultureInfo.InvariantCulture, "{0}", instance);
}
// </body>
if (subCtx.Result.Length > 0)
{
ctx.WriteLine(">");
ctx.Write(subCtx.Result.ToString());
ctx.Write($"{Indentation(ctx.Indentation)}</{alias}{type.Name}>");
}
else if (body != null)
{
ctx.Write(">");
ctx.Write(body);
ctx.Write($"</{alias}{type.Name}>");
}
else
{
ctx.Write(" />");
}
if (ctx.Indentation != 0)
{
ctx.Result.AppendLine();
}
}