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/*
* Copyright 2003-2016 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;
/**
* Returns one value from a song's sticker record.
*
* Throws #SqliteError on error.
*/
gcc_pure
std::string
sticker_song_get_value(const LightSong &song, const char *name);
/**
* Sets a sticker value in the specified song. Overwrites existing
* values.
*
* Throws #SqliteError on error.
*/
void
sticker_song_set_value(const LightSong &song,
const char *name, const char *value);
/**
* Deletes a sticker from the database. All values are deleted.
*
* Throws #SqliteError on error.
*/
bool
sticker_song_delete(const char *uri);
bool
sticker_song_delete(const LightSong &song);
/**
* Deletes a sticker value. Does nothing if the sticker did not
* exist.
*
* Throws #SqliteError on error.
*/
bool
sticker_song_delete_value(const LightSong &song, const char *name);
/**
* Loads the sticker for the specified song.
*
* Throws #SqliteError on error.
*
* @param song the song object
* @return a sticker object, or nullptr if there is no sticker
*/
Sticker *
sticker_song_get(const LightSong &song);
/**
* Finds stickers with the specified name below the specified
* directory.
*
* Caller must lock the #db_mutex.
*
* Throws #SqliteError on error.
*
* @param base_uri the base directory to search in
* @param name the name of the sticker
*/
void
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);
#endif
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