public static ICollection <DeltaOperation> Merge(
IEnumerable <DeltaOperation> lastRevision,
IEnumerable <DeltaOperation> priorRevision)
{
var result = new LinkedList <DeltaOperation>();
using (var merger = new DeltaSimulator(lastRevision))
{
foreach (DeltaOperation operation in priorRevision)
{
switch (operation.Command)
{
case DeltaCommand.WriteLog:
result.AddLast(operation);
break;
case DeltaCommand.WriteSuccessor:
merger.Seek(operation.Offset);
merger.Read(operation.Length,
delegate(byte[] data, int offset, int count)
{
result.AddLast(DeltaOperation.WriteLog(data, offset, count));
return(count);
},
delegate(int offset, int count)
{
result.AddLast(DeltaOperation.WriteSuccessor(offset, count));
return(count);
});
break;
}
}
}
return(result);
}
public static ICollection<DeltaOperation> Merge(
IEnumerable<DeltaOperation> lastRevision,
IEnumerable<DeltaOperation> priorRevision)
{
var result = new LinkedList<DeltaOperation>();
using (var merger = new DeltaSimulator(lastRevision))
{
foreach (DeltaOperation operation in priorRevision)
{
switch (operation.Command)
{
case DeltaCommand.WriteLog:
result.AddLast(operation);
break;
case DeltaCommand.WriteSuccessor:
merger.Seek(operation.Offset);
merger.Read(operation.Length,
delegate(byte[] data, int offset, int count)
{
result.AddLast(DeltaOperation.WriteLog(data, offset, count));
return count;
},
delegate(int offset, int count)
{
result.AddLast(DeltaOperation.WriteSuccessor(offset, count));
return count;
});
break;
}
}
}
return result;
}
public override long Seek(long offset, SeekOrigin origin)
{
switch (origin)
{
case SeekOrigin.Begin:
simulator.Seek((int)offset);
break;
case SeekOrigin.Current:
simulator.Seek((int)(Position + offset));
break;
case SeekOrigin.End:
simulator.Seek((int)(Length + offset));
break;
default:
throw new ArgumentException("Invalid origin", "origin");
}
return(Position);
}