From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- dom/xul/templates/nsRDFTestNode.h | 49 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 dom/xul/templates/nsRDFTestNode.h (limited to 'dom/xul/templates/nsRDFTestNode.h') diff --git a/dom/xul/templates/nsRDFTestNode.h b/dom/xul/templates/nsRDFTestNode.h new file mode 100644 index 000000000..0e450fadf --- /dev/null +++ b/dom/xul/templates/nsRDFTestNode.h @@ -0,0 +1,49 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef nsRDFTestNode_h__ +#define nsRDFTestNode_h__ + +#include "nsRuleNetwork.h" + +class nsIRDFResource; +class nsIRDFNode; + +/** + * An abstract base class for all of the RDF-related tests. This interface + * allows us to iterate over all of the RDF tests to find the one in the + * network that is apropos for a newly-added assertion. + */ +class nsRDFTestNode : public TestNode +{ +public: + explicit nsRDFTestNode(TestNode* aParent) + : TestNode(aParent) {} + + /** + * Determine whether the node can propagate an assertion + * with the specified source, property, and target. If the + * assertion can be propagated, aInitialBindings will be + * initialized with appropriate variable-to-value assignments + * to allow the rule network to start a constrain and propagate + * search from this node in the network. + * + * @return true if the node can propagate the specified + * assertion. + */ + virtual bool CanPropagate(nsIRDFResource* aSource, + nsIRDFResource* aProperty, + nsIRDFNode* aTarget, + Instantiation& aInitialBindings) const = 0; + + /** + * + */ + virtual void Retract(nsIRDFResource* aSource, + nsIRDFResource* aProperty, + nsIRDFNode* aTarget) const = 0; +}; + +#endif // nsRDFTestNode_h__ -- cgit v1.2.3