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Diffstat (limited to '')
| -rw-r--r-- | src/db/DatabasePlugin.hxx | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/db/DatabasePlugin.hxx b/src/db/DatabasePlugin.hxx new file mode 100644 index 000000000..831101786 --- /dev/null +++ b/src/db/DatabasePlugin.hxx @@ -0,0 +1,58 @@ +/* + * 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. + */ + +/** \file + * + * This header declares the db_plugin class. It describes a + * plugin API for databases of song metadata. + */ + +#ifndef MPD_DATABASE_PLUGIN_HXX +#define MPD_DATABASE_PLUGIN_HXX + +struct config_param; +class Error; +class EventLoop; +class DatabaseListener; +class Database; + +struct DatabasePlugin { + /** + * This plugin requires a #Storage instance. It contains only + * cached metadata from files in the #Storage. + */ + static constexpr unsigned FLAG_REQUIRE_STORAGE = 0x1; + + const char *name; + + unsigned flags; + + /** + * Allocates and configures a database. + */ + Database *(*create)(EventLoop &loop, DatabaseListener &listener, + const config_param ¶m, + Error &error); + + constexpr bool RequireStorage() const { + return flags & FLAG_REQUIRE_STORAGE; + } +}; + +#endif |