20 #ifndef MPD_DATABASE_INTERFACE_HXX
21 #define MPD_DATABASE_INTERFACE_HXX
52 return &plugin == &other;
virtual void Visit(const DatabaseSelection &selection, VisitDirectory visit_directory, VisitSong visit_song, VisitPlaylist visit_playlist) const =0
Visit the selected entities.
Database(const DatabasePlugin &_plugin)
std::function< void(const LightDirectory &)> VisitDirectory
virtual ~Database()
Free instance data.
std::function< void(const PlaylistInfo &, const LightDirectory &)> VisitPlaylist
virtual void Open()
Open the database.
virtual void VisitUniqueTags(const DatabaseSelection &selection, TagType tag_type, tag_mask_t group_mask, VisitTag visit_tag) const =0
Visit all unique tag values.
virtual gcc_pure time_t GetUpdateStamp() const =0
Returns the time stamp of the last database update.
TagType
Codes for the type of a tag item.
virtual const LightSong * GetSong(const char *uri_utf8) const =0
Look up a song (including tag data) in the database.
uint_least32_t tag_mask_t
virtual void Close()
Close the database, free allocated memory.
std::function< void(const LightSong &)> VisitSong
std::function< void(const Tag &)> VisitTag
virtual gcc_pure DatabaseStats GetStats(const DatabaseSelection &selection) const =0
virtual unsigned Update(gcc_unused const char *uri_utf8, gcc_unused bool discard)
Update the database.
const DatabasePlugin & GetPlugin() const
virtual void ReturnSong(const LightSong *song) const =0
Mark the song object as "unused".
void Visit(const DatabaseSelection &selection, VisitDirectory visit_directory, VisitSong visit_song) const
bool IsPlugin(const DatabasePlugin &other) const
void Visit(const DatabaseSelection &selection, VisitSong visit_song) const
A reference to a song file.