mpd/src/DatabaseQueue.cxx

55 lines
1.6 KiB
C++

/*
* Copyright (C) 2003-2013 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.
*/
#include "config.h"
#include "DatabaseQueue.hxx"
#include "DatabaseSelection.hxx"
#include "DatabaseGlue.hxx"
#include "DatabasePlugin.hxx"
#include "Partition.hxx"
#include "util/Error.hxx"
#include <functional>
static bool
AddToQueue(Partition &partition, Song &song, Error &error)
{
PlaylistResult result =
partition.playlist.AppendSong(partition.pc, &song, nullptr);
if (result != PlaylistResult::SUCCESS) {
error.Set(playlist_domain, int(result), "Playlist error");
return false;
}
return true;
}
bool
AddFromDatabase(Partition &partition, const DatabaseSelection &selection,
Error &error)
{
const Database *db = GetDatabase(error);
if (db == nullptr)
return false;
using namespace std::placeholders;
const auto f = std::bind(AddToQueue, std::ref(partition), _1, _2);
return db->Visit(selection, f, error);
}