File indexing completed on 2024-05-19 04:49:17

 /****************************************************************************************
  * Copyright (c) 2007 Nikolaj Hald Nielsen <nhn@kde.org>                                *
  * Copyright (c) 2007 Maximilian Kossick <maximilian.kossick@googlemail.com>            *
  *                                                                                      *
  * This program is free software; you can redistribute it and/or modify it under        *
  * the terms of the GNU General Public License as published by the Free Software        *
  * Foundation; either version 2 of the License, or (at your option) any later           *
  * version.                                                                             *
  *                                                                                      *
  * This program is distributed in the hope that it will be useful, but WITHOUT ANY      *
  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A      *
  * PARTICULAR PURPOSE. See the GNU General Public License for more details.             *
  *                                                                                      *
  * You should have received a copy of the GNU General Public License along with         *
  * this program.  If not, see <http://www.gnu.org/licenses/>.                           *
  ****************************************************************************************/
 
 #ifndef MEMORYMATCHER_H
 #define MEMORYMATCHER_H
 
 #include "amarok_export.h"
 #include "MemoryCollection.h"
 #include "core/collections/QueryMaker.h"
 #include "core/meta/forward_declarations.h"
 
 /**
 A helper class for finding items in a MemoryCollection
 
     @author 
 */
 class AMAROK_EXPORT MemoryMatcher{
     public:
         MemoryMatcher();
         virtual ~MemoryMatcher();
         virtual Meta::TrackList match( Collections::MemoryCollection *memColl) = 0;
         virtual Meta::TrackList match( const Meta::TrackList &tracks ) = 0;
 
         bool isLast() const;
         void setNext( MemoryMatcher *next );
         MemoryMatcher* next() const;
 
     private:
         MemoryMatcher *m_next;
 };
 
 
 class AMAROK_EXPORT TrackMatcher : public MemoryMatcher
 {
     public:
         explicit TrackMatcher( const Meta::TrackPtr &track );
         Meta::TrackList match( Collections::MemoryCollection *memColl ) override;
         Meta::TrackList match( const Meta::TrackList &tracks ) override;
 
     private:
         Meta::TrackPtr m_track;
 };
 
 
 class AMAROK_EXPORT ArtistMatcher : public MemoryMatcher
 {
     public:
         ArtistMatcher( const Meta::ArtistPtr &artist, Collections::QueryMaker::ArtistMatchBehaviour artistMode
                        = Collections::QueryMaker::TrackArtists );
         Meta::TrackList match( Collections::MemoryCollection *memColl ) override;
         Meta::TrackList match( const Meta::TrackList &tracks ) override;
 
     private:
         Meta::ArtistPtr m_artist;
         Collections::QueryMaker::ArtistMatchBehaviour m_queryMode;
 };
 
 class AMAROK_EXPORT AlbumMatcher : public MemoryMatcher
 {
     public:
         explicit AlbumMatcher( const Meta::AlbumPtr &album );
         Meta::TrackList match( Collections::MemoryCollection *memColl ) override;
         Meta::TrackList match( const Meta::TrackList &tracks ) override;
 
     private:
         Meta::AlbumPtr m_album;
 };
 
 class AMAROK_EXPORT GenreMatcher : public MemoryMatcher
 {
     public:
         explicit GenreMatcher( const Meta::GenrePtr &genre );
         Meta::TrackList match( Collections::MemoryCollection *memColl ) override;
         Meta::TrackList match( const Meta::TrackList &tracks ) override;
 
     private:
         Meta::GenrePtr m_genre;
 };
 
 class AMAROK_EXPORT ComposerMatcher : public MemoryMatcher
 {
     public:
         explicit ComposerMatcher( const Meta::ComposerPtr &composer );
         Meta::TrackList match( Collections::MemoryCollection *memColl ) override;
         Meta::TrackList match( const Meta::TrackList &tracks ) override;
 
     private:
         Meta::ComposerPtr m_composer;
 };
 
 class AMAROK_EXPORT YearMatcher : public MemoryMatcher
 {
     public:
         explicit YearMatcher( const Meta::YearPtr &year );
         Meta::TrackList match( Collections::MemoryCollection *memColl ) override;
         Meta::TrackList match( const Meta::TrackList &tracks ) override;
 
     private:
         Meta::YearPtr m_year;
 };
 
 class AMAROK_EXPORT LabelMatcher : public MemoryMatcher
 {
     public:
         explicit LabelMatcher( const Meta::LabelPtr &label );
         Meta::TrackList match( Collections::MemoryCollection *memColl ) override;
         Meta::TrackList match( const Meta::TrackList &tracks ) override;
 
     private:
         Meta::LabelPtr m_label;
 };
 
 
 #endif