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diff --git a/include/ingen/AtomReader.hpp b/include/ingen/AtomReader.hpp
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+/*
+  This file is part of Ingen.
+  Copyright 2007-2015 David Robillard <http://drobilla.net/>
+
+  Ingen is free software: you can redistribute it and/or modify it under the
+  terms of the GNU Affero General Public License as published by the Free
+  Software Foundation, either version 3 of the License, or 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 Affero General Public License for details.
+
+  You should have received a copy of the GNU Affero General Public License
+  along with Ingen.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef INGEN_ATOMREADER_HPP
+#define INGEN_ATOMREADER_HPP
+
+#include <ingen/AtomSink.hpp>
+#include <ingen/Resource.hpp>
+#include <ingen/ingen.h>
+#include <lv2/atom/atom.h>
+
+#include <cstdint>
+#include <optional>
+
+namespace raul {
+class Path;
+} // namespace raul
+
+namespace ingen {
+
+class URI;
+class Atom;
+class Interface;
+class Log;
+class Properties;
+class URIMap;
+class URIs;
+
+/** An AtomSink that calls methods on an Interface.
+ * @ingroup IngenShared
+ */
+class INGEN_API AtomReader : public AtomSink
+{
+public:
+	AtomReader(URIMap&    map,
+	           URIs&      uris,
+	           Log&       log,
+	           Interface& iface);
+
+	static bool is_message(const URIs& uris, const LV2_Atom* msg);
+
+	bool write(const LV2_Atom* msg, int32_t default_id=0) override;
+
+private:
+	void get_atom(const LV2_Atom* in, Atom& out);
+
+	std::optional<URI>        atom_to_uri(const LV2_Atom* atom);
+	std::optional<raul::Path> atom_to_path(const LV2_Atom* atom);
+	Resource::Graph           atom_to_context(const LV2_Atom* atom);
+
+	void get_props(const LV2_Atom_Object* obj,
+	               ingen::Properties&     props);
+
+	URIMap&    _map;
+	URIs&      _uris;
+	Log&       _log;
+	Interface& _iface;
+};
+
+} // namespace ingen
+
+#endif // INGEN_ATOMREADER_HPP