/* * 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. */ #ifndef MPD_SONG_POINTER_HXX #define MPD_SONG_POINTER_HXX #include "song.h" #include class SongPointer { struct song *song; public: explicit SongPointer(struct song *_song) :song(_song) {} SongPointer(const SongPointer &) = delete; SongPointer(SongPointer &&other):song(other.song) { other.song = nullptr; } ~SongPointer() { if (song != nullptr) song_free(song); } SongPointer &operator=(const SongPointer &) = delete; SongPointer &operator=(SongPointer &&other) { std::swap(song, other.song); return *this; } operator const struct song *() const { return song; } struct song *Steal() { auto result = song; song = nullptr; return result; } }; #endif