db_plugin: convert to C++

src/db/SimpleDatabasePlugin.hxx

@@ -0,0 +1,84 @@
+/*
+ * 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 "gcc.h"
+
+#include <cassert>
+#include <string>
+
+#include <glib.h>
+#include <stdbool.h>
+#include <time.h>
+
+struct directory;
+
+class SimpleDatabase : public Database {
+	std::string path;
+
+	struct directory *root;
+
+	time_t mtime;
+
+public:
+	G_GNUC_PURE
+	struct directory *GetRoot() {
+		assert(root != NULL);
+
+		return root;
+	}
+
+	bool Save(GError **error_r);
+
+	G_GNUC_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) override;
+	virtual bool Visit(const struct db_selection *selection,
+			   VisitDirectory visit_directory,
+			   VisitSong visit_song,
+			   VisitPlaylist visit_playlist,
+			   GError **error_r) override;
+
+protected:
+	bool Configure(const struct config_param *param, GError **error_r);
+
+	G_GNUC_PURE
+	bool Check(GError **error_r) const;
+
+	bool Load(GError **error_r);
+
+	G_GNUC_PURE
+	const struct directory *LookupDirectory(const char *uri) const;
+};
+
+extern const DatabasePlugin simple_db_plugin;
+
+#endif