DriveEntry createDriveEntry(string path)
{
IFileProvider fileProvider = this.physicalProviderConstructor(path);
DriveEntry driveEntry = new DriveEntry(path, fileProvider);
AddDisposable(driveEntry);
return(driveEntry);
}
/// <summary>
/// Classifies <paramref name="path"/>, get-or-creates a matching <paramref name="fileProvider"/> to be returned and <paramref name="subpath"/> within that file provider.
/// </summary>
/// <param name="path"></param>
/// <param name="fileProvider"></param>
/// <param name="subpath"></param>
/// <returns>true if <paramref name="path"/> was successfully parsed</returns>
bool GetFileProviderAndPath(string path, out IFileProvider fileProvider, out string subpath)
{
// Assert not disposding
if (IsDisposing)
{
throw new ObjectDisposedException(GetType().FullName);
}
// Match
Match match = Pattern.Match(path);
Group relativepath = match.Groups["relativepath"];
// Fix relative path to rooted path
if (relativepath.Success)
{
if (path == ".")
{
path = Directory.GetCurrentDirectory();
}
else
{
path = Path.GetFullPath(path);
}
match = Pattern.Match(path);
}
// "C:\"
Group windows_driveletter = match.Groups["windows_driveletter"], windows_path = match.Groups["windows_path"];
if (windows_driveletter.Success)
{
DriveEntry driveEntry = entries.GetOrAdd(windows_driveletter.Value + "\\", entryConstructor);
fileProvider = driveEntry.fileProvider;
subpath = windows_path.Success ? windows_path.Value : "";
return(true);
}
// "/"
Group unix_rooted_path = match.Groups["unix_rooted_path"];
if (unix_rooted_path.Success)
{
DriveEntry driveEntry = entries.GetOrAdd("/", entryConstructor);
fileProvider = driveEntry.fileProvider;
subpath = path;
return(true);
}
// "\\server\share\path"
Group share_server = match.Groups["share_server"], share_name = match.Groups["share_name"], share_path = match.Groups["share_path"];
if (share_server.Success)
{
if (share_name.Success)
{
string driveName = path.Substring(0, share_name.Index + share_name.Length);
DriveEntry driveEntry = entries.GetOrAdd(driveName, entryConstructor);
fileProvider = driveEntry.fileProvider;
subpath = share_path.Success ? share_path.Value : "";
return(true);
}
else
{
// "\\server"
string driveName = path.Substring(0, share_server.Index + share_server.Length);
DriveEntry driveEntry = entries.GetOrAdd(driveName, entryConstructor);
fileProvider = driveEntry.fileProvider;
subpath = "";
return(true);
}
}
fileProvider = null; subpath = null; return(false);
}
