public static DisplayDataCollection Parse(FieldList source)
{
DisplayDataCollection res = new DisplayDataCollection();
if ((source != null) && (source.Count > 0))
{
FieldListNavigator nav = new FieldListNavigator(source);
if (nav.FindFirst(MessageOutFieldID.SlotDisplayDataTypeID))
{
while (nav.CurrentID == (short)MessageOutFieldID.SlotDisplayDataTypeID)
{
DisplayType dt = (DisplayType)(nav.Current.AsByte() ?? (byte)DisplayType.Null);
object data = null;
short? signpost = null;
if ((nav.Next != null) && (nav.Next.FieldID == (short)MessageOutFieldID.SlotDisplayData))
{
switch (dt)
{
case DisplayType.Null:
data = null;
break;
case DisplayType.String:
data = nav.Next.AsString() ?? String.Empty;
break;
case DisplayType.Integer:
data = nav.Next.AsNumber() ?? 0;
break;
case DisplayType.ContentReference:
{
FieldList fl = nav.Next as FieldList;
if (fl != null)
{
data = new ContentReference(fl);
}
break;
}
case DisplayType.MediaMetaData:
{
FieldList fl = nav.Next as FieldList;
if (fl != null)
{
data = new MediaMetaData(fl);
}
break;
}
}
}
// signpost
if ((nav.NextNext != null) && (nav.NextNext.FieldID == (short)NaviAgentFieldID.Signpost))
{
signpost = nav.NextNext.AsShort() ?? -1;
if (signpost < 0)
{
signpost = null;
}
}
res.Add(new DisplayData(dt, data, signpost));
if (!nav.FindNext(MessageOutFieldID.SlotDisplayDataTypeID))
{
break;
}
}
}
}
return(res);
}
