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diff --git a/src/libs/serialisation/Serialiser.hpp b/src/libs/serialisation/Serialiser.hpp
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+/* This file is part of Ingen.
+ * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
+ * 
+ * Ingen 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.
+ * 
+ * Ingen 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 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 St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef SERIALISER_H
+#define SERIALISER_H
+
+#include <map>
+#include <utility>
+#include <string>
+#include <stdexcept>
+#include <cassert>
+#include <raul/SharedPtr.hpp>
+#include <raul/Path.hpp>
+#include <raul/Atom.hpp>
+#include <raul/RDFWorld.hpp>
+#include <raul/RDFModel.hpp>
+
+using namespace Raul;
+using namespace Ingen::Shared;
+
+namespace Ingen {
+
+namespace Shared {
+	class Plugin;
+	class GraphObject;
+	class Patch;
+	class Node;
+	class Port;
+	class Connection;
+}
+
+namespace Serialisation {
+
+
+/** Serializes Ingen objects (patches, nodes, etc) to RDF.
+ *
+ * \ingroup IngenClient
+ */
+class Serialiser
+{
+public:
+	Serialiser(Raul::RDF::World& world);
+
+	void   to_file(SharedPtr<GraphObject> object, const string& filename);
+	string to_string(SharedPtr<GraphObject> object);
+	
+	void   start_to_string();
+	void   serialize(SharedPtr<GraphObject> object) throw (std::logic_error);
+	void   serialize_connection(SharedPtr<Shared::Connection> c) throw (std::logic_error);
+	string finish();
+	
+private:
+	enum Mode { TO_FILE, TO_STRING };
+	
+	void start_to_filename(const string& filename);
+
+	void setup_prefixes();
+
+	void serialize_plugin(SharedPtr<Shared::Plugin> p);
+
+	void serialize_patch(SharedPtr<Shared::Patch> p);
+	void serialize_node(SharedPtr<Shared::Node> n, const Raul::RDF::Node& id);
+	void serialize_port(const Shared::Port* p, const Raul::RDF::Node& id);
+	
+	Raul::RDF::Node path_to_node_id(const Path& path);
+	Raul::RDF::Node patch_path_to_rdf_id(const Path& path);
+
+	typedef std::map<Raul::Path, Raul::RDF::Node> NodeMap;
+
+	SharedPtr<GraphObject> _root_object;
+	Mode                   _mode;
+	NodeMap                _node_map;
+	string                 _base_uri;
+	Raul::RDF::World&      _world;
+	Raul::RDF::Model*      _model;
+};
+
+
+} // namespace Serialisation
+} // namespace Ingen
+
+#endif // SERIALISER_H