C++ CSmartPlaylist类代码示例

bool CGUIDialogSmartPlaylistEditor::EditPlaylist(const std::string &path, const std::string &type)
{
  CGUIDialogSmartPlaylistEditor *editor = (CGUIDialogSmartPlaylistEditor *)g_windowManager.GetWindow(WINDOW_DIALOG_SMART_PLAYLIST_EDITOR);
  if (!editor) return false;

  editor->m_mode = type;
  if (URIUtils::PathEquals(path, CProfilesManager::GetInstance().GetUserDataItem("PartyMode.xsp")))
    editor->m_mode = "partymusic";
  if (URIUtils::PathEquals(path, CProfilesManager::GetInstance().GetUserDataItem("PartyMode-Video.xsp")))
    editor->m_mode = "partyvideo";

  CSmartPlaylist playlist;
  bool loaded(playlist.Load(path));
  if (!loaded)
  { // failed to load
    if (!StringUtils::StartsWithNoCase(editor->m_mode, "party"))
      return false; // only edit normal playlists that exist
    // party mode playlists can be editted even if they don't exist
    playlist.SetType(editor->m_mode == "partymusic" ? "songs" : "musicvideos");
  }

  editor->m_playlist = playlist;
  editor->m_path = path;
  editor->Initialize();
  editor->Open();
  return !editor->m_cancelled;
}

 std::string CSmartPlaylistDirectory::GetPlaylistByName(const std::string& name, const std::string& playlistType)
 {
   CFileItemList list;
   bool filesExist = false;
   if (CSmartPlaylist::IsMusicType(playlistType))
     filesExist = CDirectory::GetDirectory("special://musicplaylists/", list, ".xsp", false);
   else // all others are video
     filesExist = CDirectory::GetDirectory("special://videoplaylists/", list, ".xsp", false);
   if (filesExist)
   {
     for (int i = 0; i < list.Size(); i++)
     {
       CFileItemPtr item = list[i];
       CSmartPlaylist playlist;
       if (playlist.OpenAndReadName(item->GetURL()))
       {
         if (StringUtils::EqualsNoCase(playlist.GetName(), name))
           return item->GetPath();
       }
     }
     for (int i = 0; i < list.Size(); i++)
     { // check based on filename
       CFileItemPtr item = list[i];
       if (URIUtils::GetFileName(item->GetPath()) == name)
       { // found :)
         return item->GetPath();
       }
     }
   }
   return "";
 }

bool CGUIWindowMusicBase::GetDirectory(const CStdString &strDirectory, CFileItemList &items)
{
  CStdString directory = strDirectory;

  // check if the path contains a filter and if so load it and
  // remove it from the path to get proper GUI view states etc
  CSmartPlaylist filterXsp;
  CMusicDbUrl musicUrl;
  if (musicUrl.FromString(strDirectory))
  {
    CVariant filter;
    if (musicUrl.GetOption("filter", filter))
    {
      // load the filter and if it's type does not match the
      // path's item type reset it
      if (filterXsp.LoadFromJson(filter.asString()) && !filterXsp.GetType().Equals(musicUrl.GetType().c_str()))
        filterXsp.Reset();

      // remove the "filter" option from the path
      musicUrl.AddOption("filter", "");
    }
    directory = musicUrl.ToString();
  }

  items.SetArt("thumb", "");
  bool bResult = CGUIMediaWindow::GetDirectory(directory, items);
  if (bResult)
    CMusicThumbLoader::FillThumb(items);

  // (re-)apply the previously retrieved filter
  // because it was reset in CGUIMediaWindow::GetDirectory()
  if (!filterXsp.IsEmpty())
    m_filter = filterXsp;

  // add in the "New Playlist" item if we're in the playlists folder
  if ((items.GetPath() == "special://musicplaylists/") && !items.Contains("newplaylist://"))
  {
    CFileItemPtr newPlaylist(new CFileItem(g_settings.GetUserDataItem("PartyMode.xsp"),false));
    newPlaylist->SetLabel(g_localizeStrings.Get(16035));
    newPlaylist->SetLabelPreformated(true);
    newPlaylist->m_bIsFolder = true;
    items.Add(newPlaylist);

    newPlaylist.reset(new CFileItem("newplaylist://", false));
    newPlaylist->SetLabel(g_localizeStrings.Get(525));
    newPlaylist->SetLabelPreformated(true);
    newPlaylist->SetSpecialSort(SortSpecialOnBottom);
    newPlaylist->SetCanQueue(false);
    items.Add(newPlaylist);

    newPlaylist.reset(new CFileItem("newsmartplaylist://music", false));
    newPlaylist->SetLabel(g_localizeStrings.Get(21437));
    newPlaylist->SetLabelPreformated(true);
    newPlaylist->SetSpecialSort(SortSpecialOnBottom);
    newPlaylist->SetCanQueue(false);
    items.Add(newPlaylist);
  }

  return bResult;
}

bool CGUIDialogSmartPlaylistEditor::EditPlaylist(const CStdString &path, const CStdString &type)
{
  CGUIDialogSmartPlaylistEditor *editor = (CGUIDialogSmartPlaylistEditor *)g_windowManager.GetWindow(WINDOW_DIALOG_SMART_PLAYLIST_EDITOR);
  if (!editor) return false;

  editor->m_mode = type;
  if (path.Equals(g_settings.GetUserDataItem("PartyMode.xsp")))
    editor->m_mode = "partymusic";
  if (path.Equals(g_settings.GetUserDataItem("PartyMode-Video.xsp")))
    editor->m_mode = "partyvideo";

  CSmartPlaylist playlist;
  bool loaded(playlist.Load(path));
  if (!loaded)
  { // failed to load
    if (!editor->m_mode.Left(5).Equals("party"))
      return false; // only edit normal playlists that exist
    // party mode playlists can be editted even if they don't exist
    playlist.m_ruleCombination.m_rules.push_back(CSmartPlaylistRule());
    playlist.SetType(editor->m_mode == "partymusic" ? "songs" : "musicvideos");
  }

  editor->m_playlist = playlist;
  if (editor->m_playlist.m_ruleCombination.m_rules.size() <= 0)
    editor->m_playlist.m_ruleCombination.m_rules.push_back(CSmartPlaylistRule());
  editor->m_path = path;
  editor->Initialize();
  editor->DoModal(g_windowManager.GetActiveWindow());
  return !editor->m_cancelled;
}

 bool CSmartPlaylistDirectory::GetDirectory(const CStdString& strPath, CFileItemList& items)
 {
   // Load in the SmartPlaylist and get the WHERE query
   CSmartPlaylist playlist;
   if (!playlist.Load(strPath))
     return false;
   return GetDirectory(playlist, items);
 }

 bool CSmartPlaylistDirectory::GetDirectory(const CURL& url, CFileItemList& items)
 {
   // Load in the SmartPlaylist and get the WHERE query
   CSmartPlaylist playlist;
   if (!playlist.Load(url))
     return false;
   bool result = GetDirectory(playlist, items);
   if (result)
     items.SetProperty("library.smartplaylist", true);
   
   return result;
 }

bool CSmartPlaylistFileItemListModifier::Modify(CFileItemList &items) const
{
  if (items.HasProperty(PROPERTY_SORT_ORDER))
    return false;

  std::string xspOption = GetUrlOption(items.GetPath(), URL_OPTION_XSP);
  if (xspOption.empty())
    return false;

  // check for smartplaylist-specific sorting information
  CSmartPlaylist xsp;
  if (!xsp.LoadFromJson(xspOption))
    return false;

  items.SetProperty(PROPERTY_SORT_ORDER, (int)xsp.GetOrder());
  items.SetProperty(PROPERTY_SORT_ASCENDING, xsp.GetOrderDirection() == SortOrderAscending);

  return true;
}

bool CMusicDbUrl::validateOption(const std::string &key, const CVariant &value)
{
  if (!CDbUrl::validateOption(key, value))
    return false;
  
  // if the value is empty it will remove the option which is ok
  // otherwise we only care about the "filter" option here
  if (value.empty() || !StringUtils::EqualsNoCase(key, "filter"))
    return true;

  if (!value.isString())
    return false;

  CSmartPlaylist xspFilter;
  if (!xspFilter.LoadFromJson(value.asString()))
    return false;

  // check if the filter playlist matches the item type
  return xspFilter.GetType() == m_type;
}

//.........这里部分代码省略.........
  {
    videodatabase.GetDirectorsNav("",items,type);
    iLabel = 20339;
  }
  else if (m_rule.m_field == FieldStudio)
  {
    videodatabase.GetStudiosNav("",items,type);
    iLabel = 572;
  }
  else if (m_rule.m_field == FieldWriter)
  {
    videodatabase.GetWritersNav("",items,type);
    iLabel = 20417;
  }
  else if (m_rule.m_field == FieldTvShowTitle)
  {
    videodatabase.GetTvShowsNav("videodb://2/2/",items);
    iLabel = 20343;
  }
  else if (m_rule.m_field == FieldPlaylist)
  {
    // use filebrowser to grab another smart playlist

    // Note: This can cause infinite loops (playlist that refers to the same playlist) but I don't
    //       think there's any decent way to deal with this, as the infinite loop may be an arbitrary
    //       number of playlists deep, eg playlist1 -> playlist2 -> playlist3 ... -> playlistn -> playlist1
    CStdString path = "special://videoplaylists/";
    if (m_type.Equals("songs") || m_type.Equals("albums"))
      path = "special://musicplaylists/";
    XFILE::CDirectory::GetDirectory(path, items, ".xsp", XFILE::DIR_FLAG_NO_FILE_DIRS);
    for (int i = 0; i < items.Size(); i++)
    {
      CFileItemPtr item = items[i];
      CSmartPlaylist playlist;
      if (playlist.OpenAndReadName(item->GetPath()))
        item->SetLabel(playlist.GetName());
    }
    iLabel = 559;
  }
  else if (m_rule.m_field == FieldPath)
  {
    VECSOURCES sources;
    if (m_type == "songs" || m_type == "mixed")
      sources = *g_settings.GetSourcesFromType("music");
    if (m_type != "songs")
    {
      VECSOURCES sources2 = *g_settings.GetSourcesFromType("video");
      sources.insert(sources.end(),sources2.begin(),sources2.end());
    }
    g_mediaManager.GetLocalDrives(sources);
    
    CStdString path = m_rule.GetLocalizedParameter(m_type);
    CGUIDialogFileBrowser::ShowAndGetDirectory(sources, g_localizeStrings.Get(657), path, false);
    if (m_rule.m_parameter.size() > 0)
      m_rule.m_parameter.clear();
    if (!path.empty())
      m_rule.m_parameter.push_back(path);

    UpdateButtons();
    return;
  }
  else if (m_rule.m_field == FieldSet)
  {
    videodatabase.GetSetsNav("videodb://1/7/", items, VIDEODB_CONTENT_MOVIES);
    iLabel = 20434;
  }

void CGUIDialogSmartPlaylistRule::OnBrowse()
{
  CFileItemList items;
  CMusicDatabase database;
  database.Open();
  CVideoDatabase videodatabase;
  videodatabase.Open();

  std::string basePath;
  if (CSmartPlaylist::IsMusicType(m_type))
    basePath = "musicdb://";
  else
    basePath = "videodb://";

  VIDEODB_CONTENT_TYPE type = VIDEODB_CONTENT_MOVIES;
  if (m_type == "movies")
    basePath += "movies/";
  else if (m_type == "tvshows")
  {
    type = VIDEODB_CONTENT_TVSHOWS;
    basePath += "tvshows/";
  }
  else if (m_type == "musicvideos")
  {
    type = VIDEODB_CONTENT_MUSICVIDEOS;
    basePath += "musicvideos/";
  }
  else if (m_type == "episodes")
  {
    if (m_rule.m_field == FieldGenre || m_rule.m_field == FieldYear ||
        m_rule.m_field == FieldStudio)
      type = VIDEODB_CONTENT_TVSHOWS;
    else
      type = VIDEODB_CONTENT_EPISODES;
    basePath += "tvshows/";
  }

  int iLabel = 0;
  if (m_rule.m_field == FieldGenre)
  {
    if (m_type == "tvshows" ||
        m_type == "episodes" ||
        m_type == "movies")
      videodatabase.GetGenresNav(basePath + "genres/", items, type);
    else if (m_type == "songs" ||
             m_type == "albums" ||
             m_type == "artists" ||
             m_type == "mixed")
      database.GetGenresNav("musicdb://genres/",items);
    if (m_type == "musicvideos" ||
        m_type == "mixed")
    {
      CFileItemList items2;
      videodatabase.GetGenresNav("videodb://musicvideos/genres/",items2,VIDEODB_CONTENT_MUSICVIDEOS);
      items.Append(items2);
    }
    iLabel = 515;
  }
  else if (m_rule.m_field == FieldCountry)
  {
    videodatabase.GetCountriesNav(basePath, items, type);
    iLabel = 574;
  }
  else if (m_rule.m_field == FieldArtist || m_rule.m_field == FieldAlbumArtist)
  {
    if (CSmartPlaylist::IsMusicType(m_type))
      database.GetArtistsNav("musicdb://artists/", items, m_rule.m_field == FieldAlbumArtist, -1);
    if (m_type == "musicvideos" ||
        m_type == "mixed")
    {
      CFileItemList items2;
      videodatabase.GetMusicVideoArtistsByName("", items2);
      items.Append(items2);
    }
    iLabel = 557;
  }
  else if (m_rule.m_field == FieldAlbum)
  {
    if (CSmartPlaylist::IsMusicType(m_type))
      database.GetAlbumsNav("musicdb://albums/", items);
    if (m_type == "musicvideos" ||
        m_type == "mixed")
    {
      CFileItemList items2;
      videodatabase.GetMusicVideoAlbumsByName("", items2);
      items.Append(items2);
    }
    iLabel = 558;
  }
  else if (m_rule.m_field == FieldActor)
  {
    videodatabase.GetActorsNav(basePath + "actors/",items,type);
    iLabel = 20337;
  }
  else if (m_rule.m_field == FieldYear)
  {
    if (CSmartPlaylist::IsMusicType(m_type))
      database.GetYearsNav("musicdb://years/", items);
    if (CSmartPlaylist::IsVideoType(m_type))
    {
//.........这里部分代码省略.........

  bool CSmartPlaylistDirectory::GetDirectory(const CStdString& strPath, CFileItemList& items)
  {
    // Load in the SmartPlaylist and get the WHERE query
    CSmartPlaylist playlist;
    if (!playlist.Load(strPath))
      return false;
    bool success = false, success2 = false;
    if (playlist.GetType().Equals("tvshows"))
    {
      CVideoDatabase db;
      db.Open();
      CStdString whereOrder = playlist.GetWhereClause(db) + " " + playlist.GetOrderClause(db);
      success = db.GetTvShowsByWhere("videodb://2/2/", whereOrder, items);
      items.SetContent("tvshows");
      db.Close();
    }
    else if (playlist.GetType().Equals("episodes"))
    {
      CVideoDatabase db;
      db.Open();
      CStdString whereOrder = playlist.GetWhereClause(db) + " " + playlist.GetOrderClause(db);
      success = db.GetEpisodesByWhere("videodb://2/2/", whereOrder, items);
      items.SetContent("episodes");
      db.Close();
    }
    else if (playlist.GetType().Equals("movies"))
    {
      CVideoDatabase db;
      db.Open();
      success = db.GetMoviesByWhere("videodb://1/2/", playlist.GetWhereClause(db), playlist.GetOrderClause(db), items, true);
      items.SetContent("movies");
      db.Close();
    }
    else if (playlist.GetType().Equals("albums"))
    {
      CMusicDatabase db;
      db.Open();
      success = db.GetAlbumsByWhere("musicdb://3/", playlist.GetWhereClause(db), playlist.GetOrderClause(db), items);
      items.SetContent("albums");
      db.Close();
    }
    if (playlist.GetType().Equals("songs") || playlist.GetType().Equals("mixed") || playlist.GetType().IsEmpty())
    {
      CMusicDatabase db;
      db.Open();
      CStdString type=playlist.GetType();
      if (type.IsEmpty())
        type = "songs";
      if (playlist.GetType().Equals("mixed"))
        playlist.SetType("songs");

      CStdString whereOrder = playlist.GetWhereClause(db) + " " + playlist.GetOrderClause(db);
      success = db.GetSongsByWhere("", whereOrder, items);
      items.SetContent("songs");
      db.Close();
      playlist.SetType(type);
    }
    if (playlist.GetType().Equals("musicvideos") || playlist.GetType().Equals("mixed"))
    {
      CVideoDatabase db;
      db.Open();
      CStdString type=playlist.GetType();
      if (playlist.GetType().Equals("mixed"))
        playlist.SetType("musicvideos");
      CStdString whereOrder = playlist.GetWhereClause(db) + " " + playlist.GetOrderClause(db);
      CFileItemList items2;
      success2 = db.GetMusicVideosByWhere("videodb://3/2/", whereOrder, items2, false); // TODO: SMARTPLAYLISTS Don't check locks???
      db.Close();
      items.Append(items2);
      if (items2.Size())
        items.SetContent("musicvideos");
      playlist.SetType(type);
    }
    // go through and set the playlist order
    for (int i = 0; i < items.Size(); i++)
    {
      CFileItemPtr item = items[i];
      item->m_iprogramCount = i;  // hack for playlist order
    }
    if (playlist.GetType().Equals("mixed"))
      return success || success2;
    else if (playlist.GetType().Equals("musicvideos"))
      return success2;
    else
      return success;
  }

bool CPartyModeManager::Enable(PartyModeContext context /*= PARTYMODECONTEXT_MUSIC*/, const CStdString& strXspPath /*= ""*/)
{
  // Filter using our PartyMode xml file
  CSmartPlaylist playlist;
  CStdString partyModePath;
  bool playlistLoaded;

  m_bIsVideo = context == PARTYMODECONTEXT_VIDEO;
  if (!strXspPath.IsEmpty()) //if a path to a smartplaylist is supplied use it
    partyModePath = strXspPath;
  else if (m_bIsVideo)
    partyModePath = g_settings.GetUserDataItem("PartyMode-Video.xsp");
  else
    partyModePath = g_settings.GetUserDataItem("PartyMode.xsp");

  playlistLoaded=playlist.Load(partyModePath);

  if ( playlistLoaded )
  {
    m_type = playlist.GetType();
    if (context == PARTYMODECONTEXT_UNKNOWN)
    {
      //get it from the xsp file
      m_bIsVideo = (m_type.Equals("video") || m_type.Equals("musicvideos") || m_type.Equals("mixed"));
    }

    if (m_type.Equals("mixed"))
      playlist.SetType("songs");

    if (m_type.Equals("mixed"))
      playlist.SetType("video");

    playlist.SetType(m_type);
  }
  else
  {
    m_strCurrentFilterMusic.Empty();
    m_strCurrentFilterVideo.Empty();
    m_type = m_bIsVideo ? "musicvideos" : "songs";
  }

  CGUIDialogProgress* pDialog = (CGUIDialogProgress*)g_windowManager.GetWindow(WINDOW_DIALOG_PROGRESS);
  int iHeading = (m_bIsVideo ? 20250 : 20121);
  int iLine0 = (m_bIsVideo ? 20251 : 20123);
  pDialog->SetHeading(iHeading);
  pDialog->SetLine(0, iLine0);
  pDialog->SetLine(1, "");
  pDialog->SetLine(2, "");
  pDialog->StartModal();

  ClearState();
  unsigned int time = XbmcThreads::SystemClockMillis();
  vector< pair<int,int> > songIDs;
  if (m_type.Equals("songs") || m_type.Equals("mixed"))
  {
    CMusicDatabase db;
    if (db.Open())
    {
      set<CStdString> playlists;
      if ( playlistLoaded )
        m_strCurrentFilterMusic = playlist.GetWhereClause(db, playlists);

      CLog::Log(LOGINFO, "PARTY MODE MANAGER: Registering filter:[%s]", m_strCurrentFilterMusic.c_str());
      m_iMatchingSongs = (int)db.GetSongIDs(m_strCurrentFilterMusic, songIDs);
      if (m_iMatchingSongs < 1 && m_type.Equals("songs"))
      {
        pDialog->Close();
        db.Close();
        OnError(16031, (CStdString)"Party mode found no matching songs. Aborting.");
        return false;
      }
    }
    else
    {
      pDialog->Close();
      OnError(16033, (CStdString)"Party mode could not open database. Aborting.");
      return false;
    }
    db.Close();
  }

  if (m_type.Equals("musicvideos") || m_type.Equals("mixed"))
  {
    vector< pair<int,int> > songIDs2;
    CVideoDatabase db;
    if (db.Open())
    {
      set<CStdString> playlists;
      if ( playlistLoaded )
        m_strCurrentFilterVideo = playlist.GetWhereClause(db, playlists);

      CLog::Log(LOGINFO, "PARTY MODE MANAGER: Registering filter:[%s]", m_strCurrentFilterVideo.c_str());
      m_iMatchingSongs += (int)db.GetMusicVideoIDs(m_strCurrentFilterVideo, songIDs2);
      if (m_iMatchingSongs < 1)
      {
        pDialog->Close();
        db.Close();
        OnError(16031, (CStdString)"Party mode found no matching songs. Aborting.");
        return false;
      }
//.........这里部分代码省略.........

bool CLibraryDirectory::GetDirectory(const CStdString& strPath, CFileItemList &items)
{
  std::string libNode = GetNode(strPath);
  if (libNode.empty())
    return false;

  if (URIUtils::HasExtension(libNode, ".xml"))
  { // a filter or folder node
    TiXmlElement *node = LoadXML(libNode);
    if (node)
    {
      CStdString type = node->Attribute("type");
      if (type == "filter")
      {
        CSmartPlaylist playlist;
        CStdString type, label;
        XMLUtils::GetString(node, "content", type);
        if (type.IsEmpty())
        {
          CLog::Log(LOGERROR, "<content> tag must not be empty for type=\"filter\" node '%s'", libNode.c_str());
          return false;
        }
        if (XMLUtils::GetString(node, "label", label))
          label = CGUIControlFactory::FilterLabel(label);
        playlist.SetType(type);
        playlist.SetName(label);
        if (playlist.LoadFromXML(node) &&
            CSmartPlaylistDirectory::GetDirectory(playlist, items))
        {
          items.SetProperty("library.filter", "true");
          items.SetPath(items.GetProperty("path.db").asString());
          return true;
        }
      }
      else if (type == "folder")
      {
        CStdString path;
        XMLUtils::GetPath(node, "path", path);
        if (!path.IsEmpty())
        {
          URIUtils::AddSlashAtEnd(path);
          return CDirectory::GetDirectory(path, items, m_strFileMask, m_flags);
        }
      }
    }
    return false;
  }

  // just a plain node - read the folder for XML nodes and other folders
  CFileItemList nodes;
  if (!CDirectory::GetDirectory(libNode, nodes, ".xml", DIR_FLAG_NO_FILE_DIRS))
    return false;

  // iterate over our nodes
  for (int i = 0; i < nodes.Size(); i++)
  {
    const TiXmlElement *node = NULL;
    CStdString xml = nodes[i]->GetPath();
    if (nodes[i]->m_bIsFolder)
      node = LoadXML(URIUtils::AddFileToFolder(xml, "index.xml"));
    else
    {
      node = LoadXML(xml);
      if (node && URIUtils::GetFileName(xml).Equals("index.xml"))
      { // set the label on our items
        CStdString label;
        if (XMLUtils::GetString(node, "label", label))
          label = CGUIControlFactory::FilterLabel(label);
        items.SetLabel(label);
        continue;
      }
    }
    if (node)
    {
      CStdString label, icon;
      if (XMLUtils::GetString(node, "label", label))
        label = CGUIControlFactory::FilterLabel(label);
      XMLUtils::GetString(node, "icon", icon);
      int order = 0;
      node->Attribute("order", &order);

      // create item
      URIUtils::RemoveSlashAtEnd(xml);
      CStdString folder = URIUtils::GetFileName(xml);
      CFileItemPtr item(new CFileItem(URIUtils::AddFileToFolder(strPath, folder), true));

      item->SetLabel(label);
      if (!icon.IsEmpty() && g_TextureManager.HasTexture(icon))
        item->SetIconImage(icon);
      item->m_iprogramCount = order;
      items.Add(item);
    }
  }
  items.Sort(SortByPlaylistOrder, SortOrderAscending);
  return true;
}

  bool CSmartPlaylistDirectory::GetDirectory(const CSmartPlaylist &playlist, CFileItemList& items, const std::string &strBaseDir /* = "" */, bool filter /* = false */)
  {
    bool success = false, success2 = false;
    std::vector<std::string> virtualFolders;

    SortDescription sorting;
    sorting.limitEnd = playlist.GetLimit();
    sorting.sortBy = playlist.GetOrder();
    sorting.sortOrder = playlist.GetOrderAscending() ? SortOrderAscending : SortOrderDescending;
    sorting.sortAttributes = playlist.GetOrderAttributes();
    if (CSettings::Get().GetBool("filelists.ignorethewhensorting"))
      sorting.sortAttributes = (SortAttribute)(sorting.sortAttributes | SortAttributeIgnoreArticle);
    items.SetSortIgnoreFolders((sorting.sortAttributes & SortAttributeIgnoreFolders) == SortAttributeIgnoreFolders);

    std::string option = !filter ? "xsp" : "filter";
    const std::string& group = playlist.GetGroup();
    bool isGrouped = !group.empty() && !StringUtils::EqualsNoCase(group, "none") && !playlist.IsGroupMixed();

    // get all virtual folders and add them to the item list
    playlist.GetVirtualFolders(virtualFolders);
    for (std::vector<std::string>::const_iterator virtualFolder = virtualFolders.begin(); virtualFolder != virtualFolders.end(); virtualFolder++)
    {
      CFileItemPtr pItem = CFileItemPtr(new CFileItem(*virtualFolder, true));
      IFileDirectory *dir = CFileDirectoryFactory::Create(pItem->GetURL(), pItem.get());

      if (dir != NULL)
      {
        pItem->SetSpecialSort(SortSpecialOnTop);
        items.Add(pItem);
        delete dir;
      }
    }

    if (playlist.GetType() == "movies" ||
        playlist.GetType() == "tvshows" ||
        playlist.GetType() == "episodes")
    {
      CVideoDatabase db;
      if (db.Open())
      {
        MediaType mediaType = MediaTypes::FromString(playlist.GetType());

        std::string baseDir = strBaseDir;
        if (strBaseDir.empty())
        {
          if (mediaType == MediaTypeTvShow || mediaType == MediaTypeEpisode)
            baseDir = "videodb://tvshows/";
          else if (mediaType == MediaTypeMovie)
            baseDir = "videodb://movies/";
          else
            return false;

          if (!isGrouped)
            baseDir += "titles";
          else
            baseDir += group;
          URIUtils::AddSlashAtEnd(baseDir);

          if (mediaType == MediaTypeEpisode)
            baseDir += "-1/-1/";
        }

        CVideoDbUrl videoUrl;
        if (!videoUrl.FromString(baseDir))
          return false;

        // store the smartplaylist as JSON in the URL as well
        std::string xsp;
        if (!playlist.IsEmpty(filter))
        {
          if (!playlist.SaveAsJson(xsp, !filter))
            return false;
        }

        if (!xsp.empty())
          videoUrl.AddOption(option, xsp);
        else
          videoUrl.RemoveOption(option);
        
        CDatabase::Filter dbfilter;
        success = db.GetItems(videoUrl.ToString(), items, dbfilter, sorting);
        db.Close();

        // if we retrieve a list of episodes and we didn't receive
        // a pre-defined base path, we need to fix it
        if (strBaseDir.empty() && mediaType == MediaTypeEpisode && !isGrouped)
          videoUrl.AppendPath("-1/-1/");
        items.SetProperty(PROPERTY_PATH_DB, videoUrl.ToString());
      }
    }
    else if (playlist.IsMusicType() || playlist.GetType().empty())
    {
      CMusicDatabase db;
      if (db.Open())
      {
        CSmartPlaylist plist(playlist);
        if (playlist.GetType() == "mixed" || playlist.GetType().empty())
          plist.SetType("songs");

        MediaType mediaType = MediaTypes::FromString(plist.GetType());
//.........这里部分代码省略.........

  bool CSmartPlaylistDirectory::GetDirectory(const CSmartPlaylist &playlist, CFileItemList& items)
  {
    bool success = false, success2 = false;
    std::set<CStdString> playlists;
    if (playlist.GetType().Equals("tvshows"))
    {
      CVideoDatabase db;
      db.Open();
      CStdString whereOrder = playlist.GetWhereClause(db, playlists) + " " + playlist.GetOrderClause(db);
      success = db.GetTvShowsByWhere("videodb://2/2/", whereOrder, items);
      items.SetContent("tvshows");
      db.Close();
    }
    else if (playlist.GetType().Equals("episodes"))
    {
      CVideoDatabase db;
      db.Open();
      CStdString whereOrder = playlist.GetWhereClause(db, playlists) + " " + playlist.GetOrderClause(db);
      success = db.GetEpisodesByWhere("videodb://2/2/", whereOrder, items);
      items.SetContent("episodes");
      db.Close();
    }
    else if (playlist.GetType().Equals("movies"))
    {
      CVideoDatabase db;
      db.Open();
      success = db.GetMoviesByWhere("videodb://1/2/", playlist.GetWhereClause(db, playlists), playlist.GetOrderClause(db), items, true);
      items.SetContent("movies");
      db.Close();
    }
    else if (playlist.GetType().Equals("albums"))
    {
      CMusicDatabase db;
      db.Open();
      success = db.GetAlbumsByWhere("musicdb://3/", playlist.GetWhereClause(db, playlists), playlist.GetOrderClause(db), items);
      items.SetContent("albums");
      db.Close();
    }
    if (playlist.GetType().Equals("songs") || playlist.GetType().Equals("mixed") || playlist.GetType().IsEmpty())
    {
      CMusicDatabase db;
      db.Open();
      CStdString whereOrder;
      if (playlist.GetType().IsEmpty() || playlist.GetType().Equals("mixed"))
      {
        CSmartPlaylist songPlaylist(playlist);
        songPlaylist.SetType("songs");
        whereOrder = songPlaylist.GetWhereClause(db, playlists) + " " + songPlaylist.GetOrderClause(db);
      }
      else
        whereOrder = playlist.GetWhereClause(db, playlists) + " " + playlist.GetOrderClause(db);

      success = db.GetSongsByWhere("", whereOrder, items);
      items.SetContent("songs");
      db.Close();
    }
    if (playlist.GetType().Equals("musicvideos") || playlist.GetType().Equals("mixed"))
    {
      CVideoDatabase db;
      db.Open();
      CStdString whereOrder;
      if (playlist.GetType().Equals("mixed"))
      {
        CSmartPlaylist mvidPlaylist(playlist);
        mvidPlaylist.SetType("musicvideos");
        whereOrder = mvidPlaylist.GetWhereClause(db, playlists) + " " + mvidPlaylist.GetOrderClause(db);
      }
      else
        whereOrder = playlist.GetWhereClause(db, playlists) + " " + playlist.GetOrderClause(db);

      CFileItemList items2;
      success2 = db.GetMusicVideosByWhere("videodb://3/2/", whereOrder, items2, false); // TODO: SMARTPLAYLISTS Don't check locks???
      db.Close();
      items.Append(items2);
      if (items2.Size())
        items.SetContent("musicvideos");
    }
    items.SetLabel(playlist.GetName());
    // go through and set the playlist order
    for (int i = 0; i < items.Size(); i++)
    {
      CFileItemPtr item = items[i];
      item->m_iprogramCount = i;  // hack for playlist order
    }
    if (playlist.GetType().Equals("mixed"))
      return success || success2;
    else if (playlist.GetType().Equals("musicvideos"))
      return success2;
    else
      return success;
  }