private static void WritePropertyList(XmlWriter writer, PropertySetFormats.PropertyList data)
{
bool hasWeights = data.Weights.Count > 0;
if (data.TotalWeight != 0)
{
if (data.TotalWeight != data.Weights.Sum(w => w))
{
throw new InvalidOperationException();
}
}
var ignoredFlags = DataFormats.PropertyCollectionFlags.OwnerIsList |
DataFormats.PropertyCollectionFlags.IsList |
DataFormats.PropertyCollectionFlags.OwnerIsSet;
var cleanedFlags = data.Flags & ~ignoredFlags;
if (cleanedFlags != DataFormats.PropertyCollectionFlags.None)
{
writer.WriteAttributeString("flags", cleanedFlags.ToString());
}
for (int i = 0; i < data.Items.Count; i++)
{
writer.WriteStartElement("ListProperty");
WriteProperty(writer, null, data.Items[i], false, hasWeights == false ? (uint?)null : data.Weights[i]);
writer.WriteEndElement();
}
}
private static PropertySetFormats.PropertyList ReadPropertyList(XPathNavigator nav, object parent)
{
var instance = new PropertySetFormats.PropertyList();
instance.Flags = nav.ParseAttributeEnum("flags", DataFormats.PropertyCollectionFlags.None);
instance.Flags &= _NonSetListMask;
instance.Flags |= DataFormats.PropertyCollectionFlags.IsList;
instance.Flags |= GetOwnerFlag(parent);
var rawProperties = nav.Select("ListProperty");
while (rawProperties.MoveNext() == true)
{
var rawProperty = rawProperties.Current;
var value = ParseProperty(rawProperty, instance);
instance.Items.Add(value);
var weight = rawProperty.ParseAttributeUInt32("weight", uint.MaxValue);
if (weight != uint.MaxValue)
{
instance.Weights.Add(weight);
}
}
instance.TotalWeight = instance.Weights.Aggregate <uint, uint>(0, (c, w) => c + w);
if (instance.Items.Count == 0)
{
instance.TypeId = 29;
}
else
{
var type = instance.Items.First().GetType();
if (instance.Items.Any(i => i.GetType() != type))
{
throw new InvalidOperationException();
}
instance.TypeId = PropertySetFormats.HandlerFactory.Get(type).Id;
}
return(instance);
}
