From d5e8ce8127784fc67953ab3b6247e911be697cc2 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Sat, 9 Dec 2006 07:43:15 +0000
Subject: Preliminary patch loading (just loads nodes from RDF).

git-svn-id: http://svn.drobilla.net/lad/ingen@214 a436a847-0d15-0410-975c-d299462d15a1
---
 src/libs/client/Loader.cpp | 57 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 src/libs/client/Loader.cpp

(limited to 'src/libs/client/Loader.cpp')

diff --git a/src/libs/client/Loader.cpp b/src/libs/client/Loader.cpp
new file mode 100644
index 00000000..7816e88a
--- /dev/null
+++ b/src/libs/client/Loader.cpp
@@ -0,0 +1,57 @@
+/* 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
+ */
+
+#include <iostream>
+#include "Loader.h"
+#include "RDFQuery.h"
+#include "ModelEngineInterface.h"
+
+namespace Ingen {
+namespace Client {
+
+
+Loader::Loader(SharedPtr<ModelEngineInterface> engine)
+	: _engine(engine)
+{
+}
+
+
+/** Load (create) all objects from an RDF into the engine.
+ *
+ * @param filename Filename to load objects from.
+ * @param parent Path of parent under which to load objects.
+ * @return whether or not load was successful.
+ */
+void
+Loader::load(const Glib::ustring& filename,
+             const Path& parent)
+{
+	RDFQuery query(Glib::ustring("SELECT DISTINCT ?name ?plugin FROM <") + filename + "> WHERE {\n"
+		+ "?patch ingen:node   ?node .\n"
+		+ "?node  ingen:name   ?name ;\n"
+		+ "       ingen:plugin ?plugin .\n"
+		+ "}");
+
+	RDFQuery::Results nodes = query.run(filename);
+
+	for (RDFQuery::Results::iterator i = nodes.begin(); i != nodes.end(); ++i)
+		_engine->create_node(parent.base() + (*i)["name"], (*i)["plugin"], false);
+}
+
+
+} // namespace Client
+} // namespace Ingen
+
-- 
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