1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/xul/templates/src/nsRDFConInstanceTestNode.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,88 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef nsRDFConInstanceTestNode_h__
1.10 +#define nsRDFConInstanceTestNode_h__
1.11 +
1.12 +#include "mozilla/Attributes.h"
1.13 +#include "nscore.h"
1.14 +#include "nsRDFTestNode.h"
1.15 +#include "nsIRDFResource.h"
1.16 +#include "nsIRDFDataSource.h"
1.17 +#include "nsXULTemplateQueryProcessorRDF.h"
1.18 +
1.19 +/**
1.20 + * Rule network node that tests if a resource is an RDF container, or
1.21 + * uses multi-attributes to ``contain'' other elements.
1.22 + */
1.23 +class nsRDFConInstanceTestNode : public nsRDFTestNode
1.24 +{
1.25 +public:
1.26 + enum Test { eFalse, eTrue, eDontCare };
1.27 +
1.28 + nsRDFConInstanceTestNode(TestNode* aParent,
1.29 + nsXULTemplateQueryProcessorRDF* aProcessor,
1.30 + nsIAtom* aContainerVariable,
1.31 + Test aContainer,
1.32 + Test aEmpty);
1.33 +
1.34 + virtual nsresult FilterInstantiations(InstantiationSet& aInstantiations,
1.35 + bool* aCantHandleYet) const MOZ_OVERRIDE;
1.36 +
1.37 + virtual bool
1.38 + CanPropagate(nsIRDFResource* aSource,
1.39 + nsIRDFResource* aProperty,
1.40 + nsIRDFNode* aTarget,
1.41 + Instantiation& aInitialBindings) const MOZ_OVERRIDE;
1.42 +
1.43 + virtual void
1.44 + Retract(nsIRDFResource* aSource,
1.45 + nsIRDFResource* aProperty,
1.46 + nsIRDFNode* aTarget) const MOZ_OVERRIDE;
1.47 +
1.48 +
1.49 + class Element : public MemoryElement {
1.50 + public:
1.51 + Element(nsIRDFResource* aContainer,
1.52 + Test aContainerTest,
1.53 + Test aEmptyTest)
1.54 + : mContainer(aContainer),
1.55 + mContainerTest(aContainerTest),
1.56 + mEmptyTest(aEmptyTest) {
1.57 + MOZ_COUNT_CTOR(nsRDFConInstanceTestNode::Element); }
1.58 +
1.59 + virtual ~Element() { MOZ_COUNT_DTOR(nsRDFConInstanceTestNode::Element); }
1.60 +
1.61 + virtual const char* Type() const MOZ_OVERRIDE {
1.62 + return "nsRDFConInstanceTestNode::Element"; }
1.63 +
1.64 + virtual PLHashNumber Hash() const MOZ_OVERRIDE {
1.65 + return mozilla::HashGeneric(mContainerTest, mEmptyTest, mContainer.get());
1.66 + }
1.67 +
1.68 + virtual bool Equals(const MemoryElement& aElement) const MOZ_OVERRIDE {
1.69 + if (aElement.Type() == Type()) {
1.70 + const Element& element = static_cast<const Element&>(aElement);
1.71 + return mContainer == element.mContainer
1.72 + && mContainerTest == element.mContainerTest
1.73 + && mEmptyTest == element.mEmptyTest;
1.74 + }
1.75 + return false; }
1.76 +
1.77 + protected:
1.78 + nsCOMPtr<nsIRDFResource> mContainer;
1.79 + Test mContainerTest;
1.80 + Test mEmptyTest;
1.81 + };
1.82 +
1.83 +protected:
1.84 + nsXULTemplateQueryProcessorRDF* mProcessor;
1.85 + nsCOMPtr<nsIAtom> mContainerVariable;
1.86 + Test mContainer;
1.87 + Test mEmpty;
1.88 +};
1.89 +
1.90 +#endif // nsRDFConInstanceTestNode_h__
1.91 +
