public override void Delete(IVfsNode child, DirectoryEntry dentry)
{
FAT fs = this.FileSystem as FAT;
uint childBlock = (child as VfsDirectory).directoryCluster;
FAT.DirectoryEntryLocation location = fs.FindEntry(new FAT.FatMatchClusterComparer(childBlock), this.directoryCluster);
if (!location.Valid)
{
throw new System.ArgumentException(); //throw new IOException ("Unable to delete directory because it is not empty");
}
fs.Delete(childBlock, directoryCluster, location.DirectoryIndex);
}
public override IVfsNode Lookup(string name)
{
FAT.DirectoryEntryLocation location = (FileSystem as VfsFileSystem).FAT.FindEntry(new FAT.FatEntityComparer(name), this.directoryCluster);
if (!location.Valid)
{
return(null);
}
if (location.IsDirectory)
{
return(new VfsDirectory(FileSystem, location.Block));
}
else
{
return(new VfsFile(FileSystem, location.Block, location.DirectorySector, location.DirectoryIndex));
}
}