public int FindFiles(String filename, ArrayList files, DokanFileInfo info)
{
MemFsEntry entry = GetEntryForPath(filename);
if (!(entry is MemFSDirectory))
{
return(-DokanNet.ERROR_FILE_NOT_FOUND);
}
FileInformation dots = entry.GetFileInfo();
dots.FileName = ".";
files.Add(dots);
if (entry == root)
{
dots = entry.GetFileInfo();
dots.FileName = "..";
files.Add(dots);
}
else
{
dots = GetDirectoryForPath(filename).GetFileInfo();
dots.FileName = "..";
files.Add(dots);
}
foreach (MemFsEntry e in ((MemFSDirectory)entry).GetEntries())
{
files.Add(e.GetFileInfo());
}
return(0);
}
public bool AddEntry(string name, MemFsEntry entry)
{
if (!this.IsValidName(name)) { return false; }
if (contents.ContainsKey(name)) { return false; }
contents.Add(name, entry);
return true;
}
public MemFsEntry[] GetEntries()
{
MemFsEntry[] results = new MemFsEntry[contents.Count];
int x = 0;
foreach (object o in contents.Values)
{
results[x++] = (MemFsEntry)o;
}
return(results);
}
public MemFsEntry[] GetEntries()
{
MemFsEntry[] results = new MemFsEntry[contents.Count];
int x = 0;
foreach (object o in contents.Values)
{
results[x++] = (MemFsEntry)o;
}
return results;
}
public int SetFileAttributes(String filename, FileAttributes attr, DokanFileInfo info)
{
MemFsEntry entry = GetEntryForPath(filename);
if (entry == null)
{
return(-DokanNet.ERROR_FILE_NOT_FOUND);
}
if (entry.SetFileAttributes(attr))
{
return(0);
}
return(-1);
}
public int CloseFile(String filename, DokanFileInfo info)
{
MemFsEntry entry = GetEntryForPath(filename);
if (entry is MemFSFile)
{
((MemFSFile)entry).refcount--;
if ((((MemFSFile)entry).deleteonclose) && (((MemFSFile)entry).refcount == 0))
{
this.DeleteFile(filename, info);
}
}
return(0);
}
public bool AddEntry(string name, MemFsEntry entry)
{
if (!this.IsValidName(name))
{
return(false);
}
if (contents.ContainsKey(name))
{
return(false);
}
contents.Add(name, entry);
return(true);
}
public int WriteFile(String filename, Byte[] buffer,
ref uint writtenBytes, long offset, DokanFileInfo info)
{
MemFsEntry entry = GetEntryForPath(filename);
if (!(entry is MemFSFile))
{
return(-DokanNet.ERROR_FILE_NOT_FOUND);
}
if (((MemFSFile)entry).Write(buffer, ref writtenBytes, offset))
{
return(0);
}
return(-1);
}
public int SetEndOfFile(String filename, long length, DokanFileInfo info)
{
MemFsEntry entry = GetEntryForPath(filename);
if (entry == null)
{
return(-DokanNet.ERROR_FILE_NOT_FOUND);
}
if (entry is MemFSFile)
{
if (((MemFSFile)entry).Resize(length))
{
return(0);
}
// else fall through...
}
return(-1);
}
public int CreateDirectory(String filename, DokanFileInfo info)
{
MemFsEntry entry = GetDirectoryForPath(filename);
if (entry == null)
{
return(-DokanNet.ERROR_FILE_NOT_FOUND);
}
if (GetEntryForPath(filename) != null)
{
return(-DokanNet.ERROR_ALREADY_EXISTS);
}
if (((MemFSDirectory)entry).AddDirectory(GetFilenameFromPath(filename)))
{
return(0);
}
return(-1);
}
public int DeleteDirectory(String filename, DokanFileInfo info)
{
MemFsEntry entry = GetEntryForPath(filename);
if (entry == null)
{
return(-DokanNet.ERROR_FILE_NOT_FOUND);
}
if (!(entry is MemFSDirectory))
{
return(-1);
}
entry = GetDirectoryForPath(filename);
if (((MemFSDirectory)entry).RemoveEntry(GetFilenameFromPath(filename)))
{
return(0);
}
return(-1);
}
public int GetFileInformation(String filename, FileInformation fileinfo, DokanFileInfo info)
{
MemFsEntry entry = GetEntryForPath(filename);
if (entry == null)
{
return(-DokanNet.ERROR_FILE_NOT_FOUND);
}
FileInformation f = entry.GetFileInfo();
fileinfo.Attributes = f.Attributes;
fileinfo.CreationTime = f.CreationTime;
fileinfo.LastAccessTime = f.LastAccessTime;
fileinfo.LastWriteTime = f.LastWriteTime;
fileinfo.Length = f.Length;
fileinfo.FileName = f.FileName;
return(0);
}
public int MoveFile(String filename, String newname, bool replace, DokanFileInfo info)
{
MemFsEntry entry = GetEntryForPath(filename);
if (entry == null)
{
return(-DokanNet.ERROR_FILE_NOT_FOUND);
}
MemFsEntry destentry = GetEntryForPath(newname);
string newfilename = GetFilenameFromPath(newname);
if (destentry != null)
{
if (replace)
{
if (!GetDirectoryForPath(newname).RemoveEntry(newfilename))
{
return(-DokanNet.ERROR_ALREADY_EXISTS);
}
}
else
{
return(-DokanNet.ERROR_ALREADY_EXISTS);
}
}
if (!GetDirectoryForPath(newname).AddEntry(newfilename, entry))
{
return(-1);
}
if (!GetDirectoryForPath(filename).RemoveEntry(GetFilenameFromPath(filename)))
{
return(-1);
}
entry.SetName(newfilename);
return(0);
}
// Public methods follow...
public int CreateFile(String filename, FileAccess access, FileShare share,
FileMode mode, FileOptions options, DokanFileInfo info)
{
MemFsEntry entry = GetEntryForPath(filename);
// Not a lot to do for directories.
if (entry != null && entry is MemFSDirectory)
{
info.IsDirectory = true;
return(0);
}
// File exists and caller requests we overwrite.
if ((entry != null) && (mode == FileMode.Create))
{
GetDirectoryForPath(filename).RemoveEntry(GetFilenameFromPath(filename));
entry = null;
}
// File doesn't exist, do we create?
if (entry == null)
{
if (mode == FileMode.Create || mode == FileMode.CreateNew || mode == FileMode.OpenOrCreate)
{
if (GetDirectoryForPath(filename).AddFile(GetFilenameFromPath(filename)))
{
entry = GetEntryForPath(filename);
((MemFSFile)entry).refcount = 1;
if ((options & FileOptions.DeleteOnClose) == FileOptions.DeleteOnClose)
{
((MemFSFile)entry).deleteonclose = true;
}
return(0);
}
else
{
return(-1);
}
}
else
{
return(-DokanNet.ERROR_FILE_NOT_FOUND);
}
}
// File exists, do we open?
if (mode == FileMode.CreateNew)
{
return(-DokanNet.ERROR_ALREADY_EXISTS);
}
// Okay, open it.
if (!(entry is MemFSFile))
{
// We don't support anything other than files or directories
// (which are opened above and created in another method).
return(-1);
}
if ((options & FileOptions.DeleteOnClose) == FileOptions.DeleteOnClose)
{
// If they want delete-on-close, it must be opened that way
// already.
if ((((MemFSFile)entry).refcount > 0) &&
(!((MemFSFile)entry).deleteonclose)
)
{
return(-1);
}
}
if (mode == FileMode.Truncate)
{
((MemFSFile)entry).Resize(0);
}
((MemFSFile)entry).refcount++;
return(0);
}
