284 lines
9.2 KiB
C++
284 lines
9.2 KiB
C++
/***************************************************************************
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* Copyright (C) 2008-2012 by Andrzej Rybczak *
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* electricityispower@gmail.com *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#ifndef NCMPCPP_MPDPP_H
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#define NCMPCPP_MPDPP_H
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#include <cassert>
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#include <set>
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#include <vector>
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#include <mpd/client.h>
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#include "song.h"
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namespace MPD {//
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enum ItemType { itDirectory, itSong, itPlaylist };
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enum PlayerState { psUnknown, psStop, psPlay, psPause };
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enum ReplayGainMode { rgmOff, rgmTrack, rgmAlbum };
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struct Statistics
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{
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friend class Connection;
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bool empty() const;
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unsigned artists() const;
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unsigned albums() const;
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unsigned songs() const;
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unsigned long playTime() const;
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unsigned long uptime() const;
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unsigned long dbUpdateTime() const;
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unsigned long dbPlayTime() const;
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private:
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Statistics(mpd_stats *stats) : m_stats(stats, mpd_stats_free) { }
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std::shared_ptr<mpd_stats> m_stats;
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};
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struct Item
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{
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std::shared_ptr<Song> song;
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ItemType type;
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std::string name;
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};
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struct StatusChanges
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{
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StatusChanges() : Playlist(0), StoredPlaylists(0), SongID(0), Database(0), DBUpdating(0), Volume(0), ElapsedTime(0), Crossfade(0), Random(0), Repeat(0), Single(0), Consume(0), PlayerState(0), StatusFlags(0), Outputs(0) { }
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bool Playlist:1;
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bool StoredPlaylists:1;
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bool SongID:1;
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bool Database:1;
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bool DBUpdating:1;
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bool Volume:1;
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bool ElapsedTime:1;
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bool Crossfade:1;
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bool Random:1;
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bool Repeat:1;
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bool Single:1;
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bool Consume:1;
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bool PlayerState:1;
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bool StatusFlags:1;
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bool Outputs:1;
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};
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struct Output
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{
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Output(const std::string &name_, bool enabled) : m_name(name_), m_enabled(enabled) { }
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const std::string &name() const { return m_name; }
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bool isEnabled() const { return m_enabled; }
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private:
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std::string m_name;
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bool m_enabled;
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};
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typedef std::vector<Item> ItemList;
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typedef std::vector<std::string> StringList;
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typedef std::vector<Output> OutputList;
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class Connection
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{
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typedef void (*StatusUpdater) (Connection *, StatusChanges, void *);
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typedef void (*ErrorHandler) (Connection *, int, const char *, void *);
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typedef std::function<void(Item &&)> ItemConsumer;
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typedef std::function<void(Output &&)> OutputConsumer;
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typedef std::function<void(Song &&)> SongConsumer;
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typedef std::function<void(std::string &&)> StringConsumer;
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public:
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Connection();
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~Connection();
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bool Connect();
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bool Connected() const;
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void Disconnect();
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const std::string & GetHostname() { return itsHost; }
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int GetPort() { return itsPort; }
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unsigned Version() const;
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void SetIdleEnabled(bool val) { isIdleEnabled = val; }
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void BlockIdle(bool val) { itsIdleBlocked = val; }
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bool SupportsIdle() const { return supportsIdle; }
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void OrderDataFetching() { hasData = 1; }
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int GetFD() const { return itsFD; }
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void SetHostname(const std::string &);
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void SetPort(int port) { itsPort = port; }
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void SetTimeout(int timeout) { itsTimeout = timeout; }
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void SetPassword(const std::string &password) { itsPassword = password; }
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bool SendPassword();
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Statistics getStatistics();
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void SetStatusUpdater(StatusUpdater, void *);
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void SetErrorHandler(ErrorHandler, void *);
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void UpdateStatus();
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bool UpdateDirectory(const std::string &);
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void Play();
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void Play(int);
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void PlayID(int);
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void Pause(bool);
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void Toggle();
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void Stop();
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void Next();
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void Prev();
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bool Move(unsigned, unsigned);
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void Swap(unsigned, unsigned);
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void Seek(unsigned);
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void Shuffle();
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bool ClearMainPlaylist();
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bool isPlaying() const { return GetState() > psStop; }
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PlayerState GetState() const { return itsCurrentStatus ? PlayerState(mpd_status_get_state(itsCurrentStatus)) : psUnknown; }
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PlayerState GetOldState() const { return itsOldStatus ? PlayerState(mpd_status_get_state(itsOldStatus)) : psUnknown; }
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bool GetRepeat() const { return itsCurrentStatus ? mpd_status_get_repeat(itsCurrentStatus) : 0; }
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bool GetRandom() const { return itsCurrentStatus ? mpd_status_get_random(itsCurrentStatus) : 0; }
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bool GetSingle() const { return itsCurrentStatus ? mpd_status_get_single(itsCurrentStatus) : 0; }
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bool GetConsume() const { return itsCurrentStatus ? mpd_status_get_consume(itsCurrentStatus) : 0; }
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bool GetDBIsUpdating() const { return itsCurrentStatus ? mpd_status_get_update_id(itsCurrentStatus) : 0; }
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int GetVolume() const { return itsCurrentStatus ? mpd_status_get_volume(itsCurrentStatus) : -1; }
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unsigned GetCrossfade() const { return itsCurrentStatus ? mpd_status_get_crossfade(itsCurrentStatus) : 0; }
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unsigned GetPlaylistID() const { return itsCurrentStatus ? mpd_status_get_queue_version(itsCurrentStatus) : 0; }
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unsigned GetOldPlaylistID() const { return itsOldStatus ? mpd_status_get_queue_version(itsOldStatus) : 0; }
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unsigned GetElapsedTime() const { return itsCurrentStatus ? itsElapsed : 0; }
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int GetTotalTime() const { return itsCurrentStatus ? mpd_status_get_total_time(itsCurrentStatus) : 0; }
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unsigned GetBitrate() const { return itsCurrentStatus ? mpd_status_get_kbit_rate(itsCurrentStatus) : 0; }
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size_t GetPlaylistLength() const { return itsCurrentStatus ? mpd_status_get_queue_length(itsCurrentStatus) : 0; }
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void GetPlaylistChanges(unsigned, SongConsumer f);
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const std::string &GetErrorMessage() const { return itsErrorMessage; }
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Song GetCurrentlyPlayingSong();
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int GetCurrentSongPos() const;
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Song GetSong(const std::string &);
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void GetPlaylistContent(const std::string &name, SongConsumer f);
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void GetSupportedExtensions(std::set<std::string> &);
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void SetRepeat(bool);
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void SetRandom(bool);
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void SetSingle(bool);
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void SetConsume(bool);
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void SetCrossfade(unsigned);
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void SetVolume(unsigned);
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std::string GetReplayGainMode();
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void SetReplayGainMode(ReplayGainMode);
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bool SetPriority(const Song &s, int prio);
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int AddSong(const std::string &, int = -1); // returns id of added song
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int AddSong(const Song &, int = -1); // returns id of added song
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bool AddRandomTag(mpd_tag_type, size_t);
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bool AddRandomSongs(size_t);
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bool Add(const std::string &path);
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bool Delete(unsigned);
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bool DeleteID(unsigned);
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bool PlaylistDelete(const std::string &, unsigned);
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void StartCommandsList();
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bool CommitCommandsList();
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bool DeletePlaylist(const std::string &);
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bool LoadPlaylist(const std::string &name);
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int SavePlaylist(const std::string &);
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bool ClearPlaylist(const std::string &);
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void AddToPlaylist(const std::string &, const Song &);
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void AddToPlaylist(const std::string &, const std::string &);
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bool PlaylistMove(const std::string &, int, int);
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bool Rename(const std::string &, const std::string &);
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void StartSearch(bool);
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void StartFieldSearch(mpd_tag_type);
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void AddSearch(mpd_tag_type, const std::string &) const;
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void AddSearchAny(const std::string &str) const;
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void AddSearchURI(const std::string &str) const;
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void CommitSearchSongs(SongConsumer f);
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void CommitSearchTags(StringConsumer f);
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void GetPlaylists(StringConsumer f);
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void GetList(mpd_tag_type type, StringConsumer f);
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void GetDirectory(const std::string &directory, ItemConsumer f);
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void GetDirectoryRecursive(const std::string &directory, SongConsumer f);
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void GetSongs(const std::string &directory, SongConsumer f);
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void GetDirectories(const std::string &directory, StringConsumer f);
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void GetOutputs(OutputConsumer f);
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bool EnableOutput(int);
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bool DisableOutput(int);
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void GetURLHandlers(StringConsumer f);
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void GetTagTypes(StringConsumer f);
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private:
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void GoIdle();
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int GoBusy();
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int CheckForErrors();
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mpd_connection *itsConnection;
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bool isCommandsListEnabled;
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std::string itsErrorMessage;
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int itsFD;
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bool isIdle;
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bool isIdleEnabled;
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bool itsIdleBlocked;
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bool supportsIdle;
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bool hasData;
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std::string itsHost;
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int itsPort;
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int itsTimeout;
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std::string itsPassword;
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mpd_status *itsCurrentStatus;
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mpd_status *itsOldStatus;
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unsigned itsElapsed;
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time_t itsElapsedTimer[2];
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StatusChanges itsChanges;
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StatusUpdater itsUpdater;
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void *itsStatusUpdaterUserdata;
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ErrorHandler itsErrorHandler;
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void *itsErrorHandlerUserdata;
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mpd_tag_type itsSearchedField;
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bool itsSearchFieldMTime;
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};
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}
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extern MPD::Connection Mpd;
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#endif // NCMPCPP_MPDPP_H
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