public static IStorage Slice(this IStorage storage, long start)
{
long length = storage.GetSize();
if (length == -1)
{
return(storage.Slice(start, length));
}
return(storage.Slice(start, length - start));
}
private static List <IStorage> ToStorageList(IvfcHeader header, IStorage masterHash, IStorage data, bool leaveOpen)
{
var levels = new List <IStorage> {
masterHash
};
for (int i = 0; i < header.NumLevels - 1; i++)
{
IvfcLevelHeader level = header.LevelHeaders[i];
levels.Add(data.Slice(level.Offset, level.Size, leaveOpen));
}
return(levels);
}
public IStorage GetPatchedStorage()
{
if (Original == null)
{
throw new InvalidOperationException("Cannot apply a delta patch without a base file.");
}
var storages = new List <IStorage>();
foreach (DeltaFragmentSegment segment in Segments)
{
IStorage source = segment.IsInOriginal ? Original : Delta;
// todo Do this without tons of SubStorages
IStorage sub = source.Slice(segment.SourceOffset, segment.Size);
storages.Add(sub);
}
return(new ConcatenationStorage(storages, true));
}
public static IStorage Slice(this IStorage storage, long start, long length)
{
return(storage.Slice(start, length, true));
}