/*
This file is part of Ingen.
Copyright 2012-2016 David Robillard
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 .
*/
#ifndef INGEN_TURTLE_WRITER_HPP
#define INGEN_TURTLE_WRITER_HPP
#include "ingen/AtomSink.hpp"
#include "ingen/AtomWriter.hpp"
#include "ingen/URI.hpp"
#include "ingen/ingen.h"
#include "lv2/atom/atom.h"
#include "serd/serd.h"
#include "sratom/sratom.hpp"
#include
#include
namespace ingen {
class URIMap;
class URIs;
/** An Interface that writes Turtle messages to a sink method.
*
* Derived classes must implement text_sink() to do something with the
* serialized messages.
*/
class INGEN_API TurtleWriter : public AtomWriter, public AtomSink
{
public:
TurtleWriter(serd::World& world, URIMap& map, URIs& uris, const URI& uri);
~TurtleWriter() override;
/** AtomSink method which receives calls serialized to LV2 atoms. */
bool write(const LV2_Atom* msg, int32_t default_id=0) override;
/** Pure virtual text sink which receives calls serialized to Turtle. */
virtual size_t text_sink(const void* buf, size_t len) = 0;
URI uri() const override { return _uri; }
protected:
URIMap& _map;
sratom::Streamer _streamer;
serd::Node _base;
serd::Env _env;
serd::Writer _writer;
URI _uri;
bool _wrote_prefixes;
};
} // namespace ingen
#endif // INGEN_TURTLE_WRITER_HPP