Work on RDF serialization (only (partial) saving so far).

git-svn-id: http://svn.drobilla.net/lad/ingen@146 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 118 insertions, 0 deletions

diff --git a/src/libs/client/Serializer.h b/src/libs/client/Serializer.h
new file mode 100644
index 00000000..b2dbf000
--- /dev/null
+++ b/src/libs/client/Serializer.h
@@ -0,0 +1,118 @@
+/* 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 PATCHLIBRARIAN_H
+#define PATCHLIBRARIAN_H
+
+#include <map>
+#include <utility>
+#include <string>
+#include <redland.h>
+#include <cassert>
+#include "util/CountedPtr.h"
+#include "util/Path.h"
+#include "util/Atom.h"
+#include "ObjectModel.h"
+
+using std::string;
+
+namespace Ingen {
+namespace Client {
+
+class PatchModel;
+class NodeModel;
+class PortModel;
+class ConnectionModel;
+class PresetModel;
+class ModelEngineInterface;
+
+
+/** Namespace prefix macros. */
+#define NS_RDF(x) "http://www.w3.org/1999/02/22-rdf-syntax-ns#" x
+#define NS_INGEN(x) "http://codeson.net/ns/ingen#" x
+
+	
+/** Handles all patch saving and loading.
+ *
+ * \ingroup IngenClient
+ */
+class Serializer
+{
+public:
+	Serializer(CountedPtr<ModelEngineInterface> engine);
+	~Serializer();
+
+	void          path(const string& path) { _patch_search_path = path; }
+	const string& path()                   { return _patch_search_path; }
+	
+	string find_file(const string& filename, const string& additional_path = "");
+	
+	void save_patch(CountedPtr<PatchModel> patch_model, const string& filename, bool recursive);
+	
+	string load_patch(const string& filename,
+	                  const string& parent_path,
+	                  const string& name,
+	                  size_t        poly,
+	                  MetadataMap   initial_data,
+	                  bool          existing = false);
+
+private:
+
+	// Model -> RDF
+	
+	void add_patch_to_rdf(librdf_model* rdf,
+		CountedPtr<PatchModel> patch, const string& uri);
+	
+	void add_node_to_rdf(librdf_model* rdf,
+		CountedPtr<NodeModel> node, const string ns_prefix="");
+	
+	void add_port_to_rdf(librdf_model* rdf,
+		CountedPtr<PortModel> port, const string ns_prefix="");
+	
+	void add_connection_to_rdf(librdf_model* rdf,
+		CountedPtr<ConnectionModel> connection, const string port_ns_prefix="");
+
+
+	// Triple -> RDF
+	
+	void add_resource_to_rdf(librdf_model* model,
+			const string& subject_uri, const string& predicate_uri, const string& object_uri);
+	
+	void add_resource_to_rdf(librdf_model* model,
+			librdf_node* subject, const string& predicate_uri, const string& object_uri);
+	
+	void add_atom_to_rdf(librdf_model* model,
+			const string& subject_uri, const string& predicate_uri, const Atom& atom);
+	
+
+	void   create();
+	void   destroy();
+	void   setup_prefixes();
+	string expand_uri(const string& uri);
+
+
+	librdf_world*                    _world;
+	librdf_serializer*               _serializer;
+	string                           _patch_search_path;
+	map<string, string>              _prefixes;
+	CountedPtr<ModelEngineInterface> _engine;
+};
+
+
+} // namespace Client
+} // namespace Ingen
+
+#endif // PATCHLIBRARIAN_H