public void saveFileTags(string tags) //write text to ads for adding tags
{
string streamName = ":fileTags";
FileStream stream = NtfsAlternateStream.Open(this._path + streamName, FileAccess.ReadWrite, FileMode.OpenOrCreate, FileShare.None);
stream.Close();
IEnumerable <NtfsAlternateStream> fileStream = NtfsAlternateStream.EnumerateStreams(this._path);
foreach (NtfsAlternateStream ads in fileStream)
{
if (ads.StreamType.ToString().Equals("AlternateData"))
{
if (ads.Name.Equals(streamName + ":$DATA"))
{
string currentTags = getFileTag();
List <string> list = currentTags.Split(';').ToList();
if (!list.Contains(tags)) //check if tag exists already
{
NtfsAlternateStream.WriteAllText(this._path + streamName, currentTags + ";" + tags);
}
}
}
}
}
// arrange the new remained tags after deleting tags from files
public void saveFileTags1(string tags) //write text to ads for deleting tags
{
string streamName = ":fileTags";
string docFilePath = Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + @"\Tags.xml";
XDocument xmlDocument = XDocument.Load(docFilePath);
XDocument doc;
doc = XDocument.Load(docFilePath);
string file1 = this._path;
var ind_1 = 0;
var ind1 = 0;
string cat = tags;
string subCat = "";
var ind = tags.IndexOf('.');
if (ind != -1)
{
ind_1 = ind - 1;
ind1 = ind + 1;
cat = tags.Substring(0, (ind)); // extract the category name from the tags string
subCat = tags.Substring((ind1)); // extract the subCategory name from the tags string
}
string cc = getFileTag();
FileStream stream = NtfsAlternateStream.Open(this._path + streamName, FileAccess.ReadWrite, FileMode.OpenOrCreate, FileShare.None);
stream.Close();
IEnumerable <NtfsAlternateStream> fileStream = NtfsAlternateStream.EnumerateStreams(this._path); // Enumerates the alternate streams from a file
foreach (NtfsAlternateStream ads in fileStream)
{
if (ads.StreamType.ToString().Equals("AlternateData"))
{
if (ads.Name.Equals(streamName + ":$DATA"))
{
string currentTags = getFileTag(); // get the exsisting tag of file
List <string> list = currentTags.Split(';').ToList(); // create a list of tags,each tag is sapereted by ;
if (list.Contains(tags))
{
var currentTagsLength = currentTags.Length;
var tagsLength = tags.Length;
for (var i = 1; i < currentTagsLength; i++) // check all the the tags the file has,
{
if (currentTags.Substring(i, tagsLength) == tags) // if tag already exsist in file will not be added
{
currentTags = currentTags.Remove(i - 1, tagsLength + 1); // remove the exsisting tag from tags string
if (currentTags == "") // if the file hasn't any tag
//We use the variable "currentTags" to order the tags of file (having type of String)
//WriteAllText Methos of the class NtfsAlternateStream Creates a new file,
//writes the specified string to the file, and then closes the file. If the target file already exists, it is overwritten.
// This method supports NTFS alternate file streams paths.
{
NtfsAlternateStream.WriteAllText(this._path, currentTags); // NtfsAlternateStream Defines a utility class to read NTFS alternate streams data.
}
else
{
NtfsAlternateStream.WriteAllText(this._path + streamName, currentTags); //add the tags to the file
}
if (ind == -1)
{
doc.Element("root").Elements("tag").Elements("path").Where(x => x.Parent.Attribute("name").Value == cat && x.Attribute("value").Value == file1).Remove();
}
else
{
doc.Element("root").Elements("tag").Elements("path").Where(x => x.Parent.Attribute("name").Value == cat && x.Parent.Attribute("value").Value == subCat && x.Attribute("value").Value == file1).Remove();
}
doc.Save(docFilePath);
return;
}
}
}
}
}
}
}