1 files changed, 36 insertions, 0 deletions
diff --git a/project2/common/aggregate.h b/project2/common/aggregate.h
new file mode 100644
index 0000000..18ad6a5
--- /dev/null
+++ b/project2/common/aggregate.h
@@ -0,0 +1,36 @@
+#ifndef AGGREGATE_H
+#define AGGREGATE_H
+
+#include "scripts.h"
+#include <boost/function.hpp>
+
+class Aggregate : public SourceObject {
+	public:
+		Aggregate(ScriptNodePtr);
+
+		virtual void reset() const = 0;
+		void pushValue() const;
+	protected:
+		virtual void pushValue(const VariableType &) const = 0;
+	private:
+		Variable value;
+};
+
+class ValueAggregate : public Aggregate {
+	public:
+		ValueAggregate(ScriptNodePtr);
+
+		virtual VariableType resultValue() const = 0;
+};
+typedef boost::intrusive_ptr<const ValueAggregate> ValueAggregateCPtr;
+
+class SetAggregate : public Aggregate {
+	public:
+		typedef boost::function1<void, VariableType> UseAgg;
+		SetAggregate(ScriptNodePtr);
+
+		virtual void onResultValues(const UseAgg &) const = 0;
+};
+typedef boost::intrusive_ptr<const SetAggregate> SetAggregateCPtr;
+
+#endif