public DokanError MoveFile(string oldName, string newName, bool replace, DokanFileInfo info)
{
//Console.WriteLine("MoveFile: {0} -> {1}, replace = {2}", oldName, newName, replace);
var dirNameOld = Util.GetPathDirectory(oldName);
var dirNameNew = Util.GetPathDirectory(newName);
if (dirNameNew.IndexOf(dirNameOld) > -1 && dirNameNew != dirNameOld)
{
return DokanError.ErrorError;
}
var dirOld = new Directory(dirNameOld);
var dirNew = new Directory(dirNameNew);
if (!dirOld.Exists() || !dirNew.Exists())
{
return DokanError.ErrorPathNotFound;
}
var nameOld = Util.GetPathFileName(oldName);
var nameNew = Util.GetPathFileName(newName);
if (dirNew.Contains(nameNew))
{
return DokanError.ErrorAlreadyExists;
}
var inode = dirOld.GetItemINodeIndex(nameOld);
dirOld.Delete(nameOld);
dirNew.AddItem(nameNew, inode);
return DokanError.ErrorSuccess;
}
public DokanError SetEndOfFile(string fileName, long length, DokanFileInfo info)
{
Directory dir = new Directory(Util.GetPathDirectory(fileName));
if (!dir.Exists())
{
return DokanError.ErrorPathNotFound;
}
String name = Util.GetPathFileName(fileName);
if (!dir.Contains(name))
{
return DokanError.ErrorFileNotFound;
}
INode inode = Disk.iNodes[dir.GetItemINodeIndex(name)];
inode.SetEndOfFile((int)length);
return DokanError.ErrorSuccess;
}
public File(string path, System.IO.FileMode fileMode)
{
this.path = path;
var dir = new Directory(Util.GetPathDirectory(path));
var name = Util.GetPathFileName(path);
switch (fileMode)
{
case System.IO.FileMode.Append:
// 不支持
throw new NotImplementedException();
break;
case System.IO.FileMode.Create:
if (dir.Contains(name))
{
this.inode = Disk.iNodes[dir.GetItemINodeIndex(name)];
this.inode.SetEndOfFile(0);
}
else
{
this.inode = Disk.AllocateNewINode(System.IO.FileAttributes.Normal);
dir.AddItem(name, inode.index);
}
break;
case System.IO.FileMode.CreateNew:
//Console.WriteLine("*** CreateNew {0}", name);
if (dir.Contains(name))
{
throw new System.IO.IOException();
}
this.inode = Disk.AllocateNewINode(System.IO.FileAttributes.Normal);
dir.AddItem(name, inode.index);
break;
case System.IO.FileMode.Open:
//Console.WriteLine("*** Open {0}", name);
if (!dir.Contains(name))
{
throw new System.IO.FileNotFoundException();
}
this.inode = Disk.iNodes[dir.GetItemINodeIndex(name)];
break;
case System.IO.FileMode.OpenOrCreate:
if (!dir.Contains(name))
{
this.inode = Disk.AllocateNewINode(System.IO.FileAttributes.Normal);
dir.AddItem(name, inode.index);
}
else
{
this.inode = Disk.iNodes[dir.GetItemINodeIndex(name)];
}
break;
case System.IO.FileMode.Truncate:
if (!dir.Contains(name))
{
throw new System.IO.FileNotFoundException();
}
this.inode = Disk.iNodes[dir.GetItemINodeIndex(name)];
this.inode.SetEndOfFile(0);
break;
}
}