michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef nsInstantiationNode_h__
michael@0: #define nsInstantiationNode_h__
michael@0: 
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "nsRuleNetwork.h"
michael@0: #include "nsRDFQuery.h"
michael@0: 
michael@0: class nsXULTemplateQueryProcessorRDF;
michael@0: 
michael@0: /**
michael@0:  * A leaf-level node in the rule network. If any instantiations
michael@0:  * propagate to this node, then we know we've matched a rule.
michael@0:  */
michael@0: class nsInstantiationNode : public ReteNode
michael@0: {
michael@0: public:
michael@0:     nsInstantiationNode(nsXULTemplateQueryProcessorRDF* aProcessor,
michael@0:                         nsRDFQuery* aRule);
michael@0: 
michael@0:     ~nsInstantiationNode();
michael@0: 
michael@0:     // "downward" propagations
michael@0:     virtual nsresult Propagate(InstantiationSet& aInstantiations,
michael@0:                                bool aIsUpdate, bool& aMatched) MOZ_OVERRIDE;
michael@0: 
michael@0: protected:
michael@0: 
michael@0:     nsXULTemplateQueryProcessorRDF* mProcessor;
michael@0:     nsRDFQuery* mQuery;
michael@0: };
michael@0: 
michael@0: #endif // nsInstantiationNode_h__