public MessageMetadata parseNextPacket()
{
try
{
if (firstPacket)
{
firstPacket = false;
HistoryStartPacket hsp = new HistoryStartPacket(innerDataStream);
}
MessageMetadata mmd = new MessageMetadata(innerDataStream);
MessageContent mc = new MessageContent(innerDataStream); // that's kind of redundant, but we still need to parse it, otherwise
// the next call to parseNextPacket will fail
mmd.selectTextFromContentPacket(mc);
return mmd;
}
catch (EndOfStreamException)
{
return null;
}
}
internal void selectTextFromContentPacket(MessageContent mc)
{
if (string.IsNullOrEmpty(Text))
Text = mc.Text;
}