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playlist.h

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/* libmpdclient
   (c) 2003-2010 The Music Player Daemon Project
   This project's homepage is: http://www.musicpd.org

   Redistribution and use in source and binary forms, with or without
   modification, are permitted provided that the following conditions
   are met:

   - Redistributions of source code must retain the above copyright
   notice, this list of conditions and the following disclaimer.

   - Redistributions in binary form must reproduce the above copyright
   notice, this list of conditions and the following disclaimer in the
   documentation and/or other materials provided with the distribution.

   - Neither the name of the Music Player Daemon nor the names of its
   contributors may be used to endorse or promote products derived from
   this software without specific prior written permission.

   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
   CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

/*! \file
 * \brief MPD client library
 *
 * Manipulate stored playlists.
 *
 * Do not include this header directly.  Use mpd/client.h instead.
 */

#ifndef LIBMPDCLIENT_PLAYLIST_H
#define LIBMPDCLIENT_PLAYLIST_H

#include <mpd/compiler.h>

#include <stdbool.h>
#include <time.h>

struct mpd_pair;
struct mpd_connection;

/**
 * \struct mpd_playlist
 *
 * An opaque representation for a playlist stored in MPD's
 * playlist directory.  Use the functions provided by this header to
 * access the object's attributes.
 */
struct mpd_playlist;

#ifdef __cplusplus
extern "C" {
#endif

/**
 * Free memory allocated by the #mpd_playlist object.
 */
void
mpd_playlist_free(struct mpd_playlist *playlist);

/**
 * Duplicates a #mpd_playlist object.
 *
 * @return the new object, or NULL on out of memory
 */
mpd_malloc
struct mpd_playlist *
mpd_playlist_dup(const struct mpd_playlist *playlist);

/**
 * Returns the path name of this playlist file.  It does not begin
 * with a slash.
 */
mpd_pure
const char *
mpd_playlist_get_path(const struct mpd_playlist *playlist);

/**
 * @return the POSIX UTC time stamp of the last modification, or 0 if
 * that is unknown
 */
mpd_pure
time_t
mpd_playlist_get_last_modified(const struct mpd_playlist *playlist);

/**
 * Begins parsing a new playlist.
 *
 * @param pair the first pair in this playlist (name must be
 * "playlist")
 * @return the new #mpd_entity object, or NULL on error (out of
 * memory, or pair name is not "playlist")
 */
mpd_malloc
struct mpd_playlist *
mpd_playlist_begin(const struct mpd_pair *pair);

/**
 * Parses the pair, adding its information to the specified
 * #mpd_playlist object.
 *
 * @return true if the pair was parsed and added to the playlist (or if
 * the pair was not understood and ignored), false if this pair is the
 * beginning of the next playlist
 */
bool
mpd_playlist_feed(struct mpd_playlist *playlist, const struct mpd_pair *pair);

/**
 * Receives the next playlist from the MPD server.
 *
 * @return a #mpd_playlist object, or NULL on error or if the playlist list is
 * finished
 */
mpd_malloc
struct mpd_playlist *
mpd_recv_playlist(struct mpd_connection *connection);

/**
 * List the content of a stored playlist.
 *
 * @param connection the connection to MPD
 * @param name the name of the playlist
 * @return true on success, false on error
 */
bool
mpd_send_list_playlist(struct mpd_connection *connection, const char *name);

/**
 * List the content, with full metadata, of a stored playlist.
 *
 * @param connection the connection to MPD
 * @param name the name of the playlist
 * @return true on success, false on error
 */
bool
mpd_send_list_playlist_meta(struct mpd_connection *connection, const char *name);

bool
mpd_send_playlist_clear(struct mpd_connection *connection, const char *name);

bool
mpd_run_playlist_clear(struct mpd_connection *connection, const char *name);

bool
mpd_send_playlist_add(struct mpd_connection *connection, const char *name,
                  const char *path);

bool
mpd_run_playlist_add(struct mpd_connection *connection,
                 const char *name, const char *path);

bool
mpd_send_playlist_move(struct mpd_connection *connection, const char *name,
                   unsigned from, unsigned to);

bool
mpd_send_playlist_delete(struct mpd_connection *connection, const char *name,
                   unsigned pos);

bool
mpd_run_playlist_delete(struct mpd_connection *connection,
                  const char *name, unsigned pos);

bool
mpd_send_save(struct mpd_connection *connection, const char *name);

bool
mpd_run_save(struct mpd_connection *connection, const char *name);

bool
mpd_send_load(struct mpd_connection *connection, const char *name);

bool
mpd_run_load(struct mpd_connection *connection, const char *name);

bool
mpd_send_rename(struct mpd_connection *connection,
            const char *from, const char *to);

bool
mpd_run_rename(struct mpd_connection *connection,
             const char *from, const char *to);

bool
mpd_send_rm(struct mpd_connection *connection, const char *name);

bool
mpd_run_rm(struct mpd_connection *connection, const char *name);

#ifdef __cplusplus
}
#endif

#endif

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