49 lines
1.4 KiB
C++
49 lines
1.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsContentTestNode_h__
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#define nsContentTestNode_h__
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#include "mozilla/Attributes.h"
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#include "nscore.h"
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#include "nsRuleNetwork.h"
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#include "nsIAtom.h"
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#include "nsIDOMDocument.h"
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class nsXULTemplateQueryProcessorRDF;
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/**
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* The nsContentTestNode is always the top node in a query's rule network. It
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* exists so that Constrain can filter out resources that aren't part of a
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* result.
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*/
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class nsContentTestNode : public TestNode
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{
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public:
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nsContentTestNode(nsXULTemplateQueryProcessorRDF* aProcessor,
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nsIAtom* aContentVariable);
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virtual nsresult FilterInstantiations(InstantiationSet& aInstantiations,
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bool* aCantHandleYet) const override;
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nsresult
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Constrain(InstantiationSet& aInstantiations) override;
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void SetTag(nsIAtom* aTag, nsIDOMDocument* aDocument)
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{
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mTag = aTag;
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mDocument = aDocument;
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}
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protected:
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nsXULTemplateQueryProcessorRDF *mProcessor;
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nsIDOMDocument* mDocument;
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nsCOMPtr<nsIAtom> mRefVariable;
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nsCOMPtr<nsIAtom> mTag;
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};
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#endif // nsContentTestNode_h__
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