public static int DefaultComparison(ChannelMapEntryWrapper x, ChannelMapEntryWrapper y)
{
int status_result = CompareStatus(x, y);
if (status_result != 0)
return status_result;
return CompareNumber(x, y);
}
public static int CompareStatus(ChannelMapEntryWrapper x, ChannelMapEntryWrapper y)
{
return (int)x.QAMStatus - (int)y.QAMStatus;
}
public static ChannelMapEntryWrapper CreateOrGetWrapperForEntry(ChannelMapEntry entry)
{
int number = entry.Number;
if (wrappers_by_num_.ContainsKey(number))
{
ChannelMapEntryWrapper wrapper = wrappers_by_num_[number];
if (!entry.Equals(wrapper.MapEntry))
throw new Exception("Conflicting channel map entry already exists!");
return wrapper;
}
else
{
ChannelMapEntryWrapper wrapper = new ChannelMapEntryWrapper(entry);
wrappers_by_num_.Add(number, wrapper);
int qam_key = ChannelNumberToInt(entry.PhysicalChannel);
if (!wrappers_by_qam_key_.ContainsKey(qam_key))
{
wrappers_by_qam_key_.Add(qam_key, new List<ChannelMapEntryWrapper>());
}
wrappers_by_qam_key_[qam_key].Add(wrapper);
return wrapper;
}
}
public static int ComparePhysicalChannel(ChannelMapEntryWrapper x, ChannelMapEntryWrapper y)
{
ChannelNumber x_chan = x.MapEntry.PhysicalChannel;
ChannelNumber y_chan = y.MapEntry.PhysicalChannel;
int val = x_chan.Number - y_chan.Number;
if (val != 0) return val;
return x_chan.SubNumber - y_chan.SubNumber;
}
public static int CompareOTA(ChannelMapEntryWrapper x, ChannelMapEntryWrapper y)
{
return -y.ExistsAsOTA.CompareTo(x.ExistsAsOTA);
}
public static int CompareNumber(ChannelMapEntryWrapper x, ChannelMapEntryWrapper y)
{
return x.MapEntry.Number - y.MapEntry.Number;
}
public static int CompareListing(ChannelMapEntryWrapper x, ChannelMapEntryWrapper y)
{
bool x_single_listing = x.listings.Count == 1;
bool y_single_listing = y.listings.Count == 1;
if (x_single_listing != y_single_listing) return y_single_listing.CompareTo(x_single_listing);
if (x.listings.Count != y.listings.Count) return y.listings.Count - x.listings.Count;
if (x_single_listing)
{
return x.listings[0].Name.CompareTo(y.listings[0].Name);
}
return 0;
}
public static int CompareCallsign(ChannelMapEntryWrapper x, ChannelMapEntryWrapper y)
{
return x.MapEntry.Callsign.CompareTo(y.MapEntry.Callsign);
}
