public static bool Equals(MidiChunk midiChunk1, MidiChunk midiChunk2, MidiChunkEqualityCheckSettings settings, out string message)
{
message = null;
if (ReferenceEquals(midiChunk1, midiChunk2))
{
return(true);
}
if (ReferenceEquals(null, midiChunk1) || ReferenceEquals(null, midiChunk2))
{
message = "One of chunks is null.";
return(false);
}
var type1 = midiChunk1.GetType();
var type2 = midiChunk2.GetType();
if (type1 != type2)
{
message = $"Types of chunks are different ({type1} vs {type2}).";
return(false);
}
var trackChunk1 = midiChunk1 as TrackChunk;
if (trackChunk1 != null)
{
var trackChunk2 = (TrackChunk)midiChunk2;
var events1 = trackChunk1.Events;
var events2 = trackChunk2.Events;
if (events1.Count != events2.Count)
{
message = $"Counts of events in track chunks are different ({events1.Count} vs {events2.Count}).";
return(false);
}
for (var i = 0; i < events1.Count; i++)
{
var event1 = events1[i];
var event2 = events2[i];
string eventsComparingMessage;
if (!MidiEvent.Equals(event1, event2, settings.EventEqualityCheckSettings, out eventsComparingMessage))
{
message = $"Events at position {i} in track chunks are different. {eventsComparingMessage}";
return(false);
}
}
return(true);
}
var unknownChunk1 = midiChunk1 as UnknownChunk;
if (unknownChunk1 != null)
{
var unknownChunk2 = (UnknownChunk)midiChunk2;
var chunkId1 = unknownChunk1.ChunkId;
var chunkId2 = unknownChunk2.ChunkId;
if (chunkId1 != chunkId2)
{
message = $"IDs of unknown chunks are different ({chunkId1} vs {chunkId2}).";
return(false);
}
if (!ArrayUtilities.Equals(unknownChunk1.Data, unknownChunk2.Data))
{
message = "Unknown chunks data are different.";
return(false);
}
return(true);
}
return(midiChunk1.Equals(midiChunk2));
}
public static bool Equals(MidiChunk midiChunk1, MidiChunk midiChunk2, MidiChunkEqualityCheckSettings settings, out string message)
{
message = null;
if (ReferenceEquals(midiChunk1, midiChunk2))
{
return(true);
}
if (ReferenceEquals(null, midiChunk1) || ReferenceEquals(null, midiChunk2))
{
message = "One of chunks is null.";
return(false);
}
var type1 = midiChunk1.GetType();
var type2 = midiChunk2.GetType();
if (type1 != type2)
{
message = $"Types of chunks are different ({type1} vs {type2}).";
return(false);
}
var trackChunk1 = midiChunk1 as TrackChunk;
if (trackChunk1 != null)
{
var trackChunk2 = (TrackChunk)midiChunk2;
return(EventsCollectionEquality.Equals(trackChunk1.Events, trackChunk2.Events, settings.EventEqualityCheckSettings, out message));
}
var unknownChunk1 = midiChunk1 as UnknownChunk;
if (unknownChunk1 != null)
{
var unknownChunk2 = (UnknownChunk)midiChunk2;
var chunkId1 = unknownChunk1.ChunkId;
var chunkId2 = unknownChunk2.ChunkId;
if (chunkId1 != chunkId2)
{
message = $"IDs of unknown chunks are different ({chunkId1} vs {chunkId2}).";
return(false);
}
if (!ArrayUtilities.Equals(unknownChunk1.Data, unknownChunk2.Data))
{
message = "Unknown chunks data are different.";
return(false);
}
return(true);
}
var result = midiChunk1.Equals(midiChunk2);
if (!result)
{
message = $"Chunks {midiChunk1} and {midiChunk2} are not equal by result of Equals call on first chunk.";
}
return(result);
}