public VFSItem(VFSFolder vfolder, string path, bool isFolder, long length)
{
Folder = vfolder;
Path = path;
Directory = isFolder;
Name = System.IO.Path.GetFileName(path);
Length = length;
}
public Stream OpenWrite(string path)
{
VFSFolder folder = LocateFolder(ref path);
if (folder == null)
{
return(null);
}
return(folder.OpenWrite(path));
}
public VFSItem[] ListDirectories(string path)
{
VFSFolder folder = LocateFolder(ref path);
if (folder == null)
{
return(null);
}
return(folder.ListDirectories(path));
}
public void AddVirtualFolder(string path, VFSFolder folder)
{
if (string.IsNullOrWhiteSpace(path))
{
path = "/";
}
else
{
path = path.Trim().ToLower();
if (path[0] != '/')
{
path = '/' + path;
}
}
vf[path] = folder;
}
public VFSItem GetItem(string path)
{
while (path != "/" && path.EndsWith("/"))
{
path = path.Substring(0, path.Length - 1);
}
if (path.Length == 0)
{
path = "/";
}
VFSFolder folder = LocateFolder(ref path);
if (folder == null)
{
return(null);
}
return(folder.GetItem(path));
}
private VFSFolder LocateFolder(ref string path)
{
VFSFolder candidate = null;
string candidatePath = null;
string candidateRelativePath = null;
foreach (string k in vf.Keys)
{
if (candidate == null ||
(path.StartsWith(k) && k.Length > candidatePath.Length))
{
candidate = vf[k];
candidatePath = k;
candidateRelativePath = path.Substring(k.Length);
}
}
path = candidateRelativePath;
return(candidate);
}
