db/simple: create dedicated directory

1 files changed, 113 insertions, 0 deletions

diff --git a/src/db/plugins/simple/Song.hxx b/src/db/plugins/simple/Song.hxx
new file mode 100644
index 000000000..75fce20e9
--- /dev/null
+++ b/src/db/plugins/simple/Song.hxx
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2003-2014 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_HXX
+#define MPD_SONG_HXX
+
+#include "util/list.h"
+#include "tag/Tag.hxx"
+#include "Compiler.h"
+
+#include <string>
+
+#include <assert.h>
+#include <time.h>
+
+struct LightSong;
+struct Directory;
+class DetachedSong;
+class Storage;
+
+/**
+ * A song file inside the configured music directory.  Internal
+ * #SimpleDatabase class.
+ */
+struct Song {
+	/**
+	 * Pointers to the siblings of this directory within the
+	 * parent directory.  It is unused (undefined) if this song is
+	 * not in the database.
+	 *
+	 * This attribute is protected with the global #db_mutex.
+	 * Read access in the update thread does not need protection.
+	 */
+	struct list_head siblings;
+
+	Tag tag;
+
+	/**
+	 * The #Directory that contains this song.  Must be
+	 * non-nullptr.  directory this way.
+	 */
+	Directory *const parent;
+
+	time_t mtime;
+
+	/**
+	 * Start of this sub-song within the file in milliseconds.
+	 */
+	unsigned start_ms;
+
+	/**
+	 * End of this sub-song within the file in milliseconds.
+	 * Unused if zero.
+	 */
+	unsigned end_ms;
+
+	/**
+	 * The file name.
+	 */
+	char uri[sizeof(int)];
+
+	Song(const char *_uri, size_t uri_length, Directory &parent);
+	~Song();
+
+	gcc_malloc
+	static Song *NewFrom(DetachedSong &&other, Directory &parent);
+
+	/** allocate a new song with a local file name */
+	gcc_malloc
+	static Song *NewFile(const char *path_utf8, Directory &parent);
+
+	/**
+	 * allocate a new song structure with a local file name and attempt to
+	 * load its metadata.  If all decoder plugin fail to read its meta
+	 * data, nullptr is returned.
+	 */
+	gcc_malloc
+	static Song *LoadFile(Storage &storage, const char *name_utf8,
+			      Directory &parent);
+
+	void Free();
+
+	bool UpdateFile(Storage &storage);
+	bool UpdateFileInArchive(const Storage &storage);
+
+	/**
+	 * Returns the URI of the song in UTF-8 encoding, including its
+	 * location within the music directory.
+	 */
+	gcc_pure
+	std::string GetURI() const;
+
+	gcc_pure
+	LightSong Export() const;
+};
+
+#endif