internal static NtfsFileEntry CreateEntry(NTFSWrapper ntfsWrapper, uint fileId, AttributeFileName fileName = null)
{
if (fileName == null)
{
// Dig up a preferred name
FileRecord tmpRecord = ntfsWrapper.ReadMFTRecord(fileId);
fileName = NtfsUtils.GetPreferredDisplayName(tmpRecord);
}
NtfsFileEntry entry = ntfsWrapper.FileCache.Get(fileId, fileName.FileName.GetHashCode());
if (entry != null)
{
Debug.WriteLine("Got from cache: " + fileId + ":" + fileName.Id);
return(entry);
}
// Create it
FileRecord record = ntfsWrapper.ReadMFTRecord(fileId);
if (record.Flags.HasFlag(FileEntryFlags.Directory))
{
entry = new NtfsDirectory(ntfsWrapper, record, fileName);
}
else
{
entry = new NtfsFile(ntfsWrapper, record, fileName);
}
ntfsWrapper.FileCache.Set(fileId, fileName.Id, entry);
return(entry);
}
public void Set(uint id, ushort attributeId, NtfsFileEntry entry)
{
// Make combined key
ulong key = CreateKey(id, attributeId);
// Set
_entries[key] = new WeakReference(entry);
}