From 26d0171f9bbc4af8036c704d3a4cb69a5d9fe942 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Sat, 2 Dec 2006 22:47:23 +0000
Subject: More serialization work

git-svn-id: http://svn.drobilla.net/lad/ingen@206 a436a847-0d15-0410-975c-d299462d15a1
---
 src/libs/client/RDFWriter.h | 71 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 src/libs/client/RDFWriter.h

(limited to 'src/libs/client/RDFWriter.h')

diff --git a/src/libs/client/RDFWriter.h b/src/libs/client/RDFWriter.h
new file mode 100644
index 00000000..7bc4b14f
--- /dev/null
+++ b/src/libs/client/RDFWriter.h
@@ -0,0 +1,71 @@
+/* This file is part of Ingen.  Copyright (C) 2006 Dave Robillard.
+ * 
+ * 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 RDFWRITER_H
+#define RDFWRITER_H
+
+#include <stdexcept>
+#include <string>
+#include <map>
+#include <raptor.h>
+#include "raul/Atom.h"
+using std::string; using std::map;
+
+
+class RdfId {
+public:
+	enum Type { ANONYMOUS, RESOURCE };
+
+	RdfId(Type t, const string& s) : _type(t), _string(s) {}
+
+	Type          type() const      { return _type; }
+	const string& to_string() const { return _string; }
+
+private:
+	Type   _type;
+	string _string; ///< URI or blank node ID, depending on _type
+};
+
+
+class RDFWriter {
+public:
+	RDFWriter();
+
+	void   setup_prefixes();
+	string expand_uri(const string& uri);
+
+	void start_to_filename(const string& filename) throw (std::logic_error);
+	void start_to_string()                         throw (std::logic_error);
+	string finish()                                throw (std::logic_error);
+	
+	bool serialization_in_progress() { return (_serializer != NULL); }
+
+	void write(const RdfId& subject,
+	           const RdfId& predicate,
+	           const RdfId& object);   
+	
+	void write(const RdfId& subject,
+	           const RdfId& predicate,
+	           const Atom&  object);
+
+private:
+	raptor_serializer*               _serializer;
+	unsigned char*                   _string_output;
+	map<string, string>              _prefixes;
+};
+
+
+#endif // RDFWRITER_H
-- 
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