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Diffstat (limited to '')
-rw-r--r-- | src/db/SimpleDatabasePlugin.hxx | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/db/SimpleDatabasePlugin.hxx b/src/db/SimpleDatabasePlugin.hxx new file mode 100644 index 000000000..525e854db --- /dev/null +++ b/src/db/SimpleDatabasePlugin.hxx @@ -0,0 +1,102 @@ +/* + * Copyright (C) 2003-2011 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_SIMPLE_DATABASE_PLUGIN_HXX +#define MPD_SIMPLE_DATABASE_PLUGIN_HXX + +#include "DatabasePlugin.hxx" +#include "fs/Path.hxx" +#include "gcc.h" + +#include <cassert> + +#include <time.h> + +struct Directory; + +class SimpleDatabase : public Database { + Path path; + std::string path_utf8; + + Directory *root; + + time_t mtime; + +#ifndef NDEBUG + unsigned borrowed_song_count; +#endif + + SimpleDatabase() + :path(Path::Null()) {} + +public: + gcc_pure + Directory *GetRoot() { + assert(root != NULL); + + return root; + } + + bool Save(GError **error_r); + + gcc_pure + time_t GetLastModified() const { + return mtime; + } + + static Database *Create(const struct config_param *param, + GError **error_r); + + virtual bool Open(GError **error_r) override; + virtual void Close() override; + + virtual struct song *GetSong(const char *uri_utf8, + GError **error_r) const override; + virtual void ReturnSong(struct song *song) const; + + virtual bool Visit(const DatabaseSelection &selection, + VisitDirectory visit_directory, + VisitSong visit_song, + VisitPlaylist visit_playlist, + GError **error_r) const override; + + virtual bool VisitUniqueTags(const DatabaseSelection &selection, + enum tag_type tag_type, + VisitString visit_string, + GError **error_r) const override; + + virtual bool GetStats(const DatabaseSelection &selection, + DatabaseStats &stats, + GError **error_r) const override; + +protected: + bool Configure(const struct config_param *param, GError **error_r); + + gcc_pure + bool Check(GError **error_r) const; + + bool Load(GError **error_r); + + gcc_pure + const Directory *LookupDirectory(const char *uri) const; +}; + +extern const DatabasePlugin simple_db_plugin; + +#endif |