/// <summary>
/// Delayed root construction, to permit default permissions / identity info to be
/// set before root is created.
/// </summary>
/// <returns>The root directory.</returns>
private BuilderDirectory GetRoot()
{
if (_rootDir == null)
{
_rootDir = new BuilderDirectory();
_rootDir.Mode = DefaultDirectoryPermissions;
}
return _rootDir;
}
private BuilderDirectory CreateDirectory(string path, int user, int group, UnixFilePermissions permissions)
{
BuilderDirectory currentDir = GetRoot();
string[] elems = path.Split(new char[] { '\\' }, StringSplitOptions.RemoveEmptyEntries);
for (int i = 0; i < elems.Length; ++i)
{
BuilderNode nextDirAsNode = currentDir.GetChild(elems[i]);
BuilderDirectory nextDir = nextDirAsNode as BuilderDirectory;
if (nextDirAsNode == null)
{
nextDir = new BuilderDirectory()
{
UserId = user,
GroupId = group,
Mode = permissions,
ModificationTime = DateTime.Now,
};
currentDir.AddChild(elems[i], nextDir);
}
else if (nextDir == null)
{
throw new FileNotFoundException("Found " + nextDirAsNode.Inode.Type + ", expecting Directory", string.Join("\\", elems, 0, i + 1));
}
currentDir = nextDir;
}
return currentDir;
}
/// <summary>
/// Adds a directory to the file system.
/// </summary>
/// <param name="path">The full path to the directory.</param>
/// <param name="user">The owner of the directory.</param>
/// <param name="group">The group of the directory.</param>
/// <param name="permissions">The access permission of the directory.</param>
/// <param name="modificationTime">The modification time of the directory.</param>
/// <remarks>
/// <para>The created directory with have the default owner, group, permissions and the
/// current time as it's modification time. Any missing parent directories will be
/// created with the specified owner, group, and directory permissions. The current time
/// will be used as the modification time.</para>
/// </remarks>
public void AddDirectory(string path, int user, int group, UnixFilePermissions permissions, DateTime modificationTime)
{
BuilderDirectory dir = new BuilderDirectory();
dir.UserId = user;
dir.GroupId = group;
dir.Mode = permissions;
dir.ModificationTime = modificationTime;
BuilderDirectory parentDir = CreateDirectory(
Utilities.GetDirectoryFromPath(path),
user,
group,
permissions);
parentDir.AddChild(Utilities.GetFileFromPath(path), dir);
}