public UnprocessedChunkController(NSFController nsfcontroller,UnprocessedChunk unprocessedchunk)
: base(nsfcontroller,unprocessedchunk)
{
this.unprocessedchunk = unprocessedchunk;
Node.Text = string.Format("Unprocessed Chunk (T{0})",unprocessedchunk.Type);
Node.ImageKey = "unprocessedchunk";
Node.SelectedImageKey = "unprocessedchunk";
}
public static NSF Load(byte[] data)
{
if (data == null)
{
throw new ArgumentNullException("data");
}
int offset = 0;
int?firstid = null;
List <UnprocessedChunk> prelude = null;
List <Chunk> chunks = new List <Chunk>();
List <bool> preludecompression = null;
List <bool> chunkcompression = new List <bool>();
while (offset < data.Length)
{
bool compressed;
byte[] chunkdata = ReadChunk(data, ref offset, out compressed);
UnprocessedChunk chunk = Chunk.Load(chunkdata);
if (firstid == null)
{
firstid = chunk.ID;
}
else if (firstid == chunk.ID)
{
if (prelude != null)
{
ErrorManager.SignalError("NSF: Double prelude");
}
prelude = new List <UnprocessedChunk>();
foreach (UnprocessedChunk unprocessedchunk in chunks)
{
prelude.Add(unprocessedchunk);
}
chunks.Clear();
preludecompression = chunkcompression;
chunkcompression = new List <bool>();
}
chunkcompression.Add(compressed);
if (prelude != null && chunks.Count < prelude.Count)
{
for (int i = 0; i < Chunk.Length; i++)
{
if (prelude[chunks.Count].Data[i] != chunk.Data[i])
{
ErrorManager.SignalIgnorableError("NSF: Prelude data mismatch");
break;
}
}
}
chunks.Add(chunk);
}
if (prelude != null && chunks.Count < prelude.Count)
{
ErrorManager.SignalIgnorableError("NSF: Prelude is longer than actual data");
}
if (prelude != null)
{
ErrorManager.SignalIgnorableError("NSF: Prelude saving is not yet implemented");
}
foreach (bool compressed in chunkcompression)
{
if (compressed)
{
ErrorManager.SignalIgnorableError("NSF: Non-prelude chunk was compressed");
}
}
return(new NSF(chunks));
}
