add missing graph.cc and friends :S

git-svn-id: svn://localhost/ardour2/branches/3.0@7225 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 64 insertions, 0 deletions

diff --git a/libs/ardour/ardour/graphnode.h b/libs/ardour/ardour/graphnode.h
new file mode 100644
index 0000000000..e5f2a78452
--- /dev/null
+++ b/libs/ardour/ardour/graphnode.h
@@ -0,0 +1,64 @@
+/*
+    Copyright (C) 2000 Paul Davis
+
+    This program 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.
+
+    This program 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 more 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+
+#ifndef __ardour_graphnode_h__
+#define __ardour_graphnode_h__
+
+#include <list>
+#include <set>
+#include <vector>
+
+#include <boost/shared_ptr.hpp>
+
+namespace ARDOUR
+{
+
+class Graph;
+class GraphNode;
+
+typedef boost::shared_ptr<GraphNode> node_ptr_t;
+typedef std::set< node_ptr_t > node_set_t;
+typedef std::list< node_ptr_t > node_list_t;
+
+class GraphNode
+{
+    public:
+	GraphNode( boost::shared_ptr<Graph> Graph );
+
+	void prep( int chain );
+	void dec_ref();
+	void finish( int chain );
+
+	virtual void process();
+
+    private:
+	friend class Graph;
+
+	node_set_t  _activation_set[2];
+
+        boost::shared_ptr<Graph> _graph;
+
+	gint _refcount;
+	gint _init_refcount[2];
+};
+
+}
+
+#endif