/*
* Copyright (C) 2003-2015 The Music Player Daemon Project
* http://www.musicpd.org
*
* 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPD_SONG_STICKER_HXX
#define MPD_SONG_STICKER_HXX
#include "Match.hxx"
#include "Compiler.h"
#include <string>
struct LightSong;
struct sticker;
class Database;
class Error;
/**
* Returns one value from a song's sticker record. The caller must
* free the return value with g_free().
*/
gcc_pure
std::string
sticker_song_get_value(const LightSong &song, const char *name, Error &error);
/**
* Sets a sticker value in the specified song. Overwrites existing
* values.
*/
bool
sticker_song_set_value(const LightSong &song,
const char *name, const char *value,
Error &error);
/**
* Deletes a sticker from the database. All values are deleted.
*/
bool
sticker_song_delete(const LightSong &song, Error &error);
/**
* Deletes a sticker value. Does nothing if the sticker did not
* exist.
*/
bool
sticker_song_delete_value(const LightSong &song, const char *name,
Error &error);
/**
* Loads the sticker for the specified song.
*
* @param song the song object
* @return a sticker object, or NULL on error or if there is no sticker
*/
sticker *
sticker_song_get(const LightSong &song, Error &error);
/**
* Finds stickers with the specified name below the specified
* directory.
*
* Caller must lock the #db_mutex.
*
* @param base_uri the base directory to search in
* @param name the name of the sticker
* @return true on success (even if no sticker was found), false on
* failure
*/
bool
sticker_song_find(const Database &db, const char *base_uri, const char *name,
StickerOperator op, const char *value,
void (*func)(const LightSong &song, const char *value,
void *user_data),
void *user_data,
Error &error);
#endif
