/// <summary>
/// Reads one object instance.
/// </summary>
/// <param name="ms"></param>
/// <param name="index"></param>
/// <param name="owner"></param>
/// <returns></returns>
protected NdfObject ReadObject(Stream ms, uint index, NdfBinary owner)
{
var instance = new NdfObject { Id = index };
if (owner.TopObjects.Contains(index))
instance.IsTopObject = true;
var buffer = new byte[4];
ms.Read(buffer, 0, buffer.Length);
int classId = BitConverter.ToInt32(buffer, 0);
if (owner.Classes.Count < classId)
throw new InvalidDataException("Object without class found.");
NdfClass cls = instance.Class = owner.Classes[classId];
cls.Instances.Add(instance);
// Read properties
for (; ; )
{
ms.Read(buffer, 0, buffer.Length);
uint propertyId = BitConverter.ToUInt32(buffer, 0);
if (propertyId == 0xABABABAB)
break;
var propVal = new NdfPropertyValue(instance)
{
Property = cls.Properties.SingleOrDefault(x => x.Id == propertyId)
};
if (propVal.Property == null)
// throw new InvalidDataException("Found a value for a property which doens't exist in this class.");
foreach (var c in owner.Classes)
foreach (var p in c.Properties)
if (p.Id == propertyId)
{
propVal.Property = p;
break;
}
instance.PropertyValues.Add(propVal);
NdfValueWrapper res = ReadValue(ms, owner);
propVal.Value = res;
}
owner.AddEmptyProperties(instance);
return instance;
}
private void GetValue(IValueHolder valueHolder, NdfObjectViewModel inst, List<NdfPropertyValue> result, NdfPropertyValue propertyValue)
{
switch (valueHolder.Value.Type)
{
case NdfType.ObjectReference:
var ndfObjectReference = valueHolder.Value as NdfObjectReference;
if (ndfObjectReference != null && ndfObjectReference.InstanceId == inst.Object.Id)
result.Add(propertyValue);
break;
case NdfType.List:
case NdfType.MapList:
var ndfCollection = valueHolder.Value as NdfCollection;
if (ndfCollection != null)
foreach (var col in ndfCollection)
GetValue(col, inst, result, propertyValue);
break;
case NdfType.Map:
var map = valueHolder.Value as NdfMap;
if (map != null)
{
GetValue(map.Key, inst, result, propertyValue);
GetValue(map.Value as IValueHolder, inst, result, propertyValue);
}
break;
}
}
