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comparison: content/xul/templates/src/nsRDFConInstanceTestNode.h
content/xul/templates/src/nsRDFConInstanceTestNode.h
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- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:4ffff7039b81 |
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| 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #ifndef nsRDFConInstanceTestNode_h__ | |
| 7 #define nsRDFConInstanceTestNode_h__ | |
| 8 | |
| 9 #include "mozilla/Attributes.h" | |
| 10 #include "nscore.h" | |
| 11 #include "nsRDFTestNode.h" | |
| 12 #include "nsIRDFResource.h" | |
| 13 #include "nsIRDFDataSource.h" | |
| 14 #include "nsXULTemplateQueryProcessorRDF.h" | |
| 15 | |
| 16 /** | |
| 17 * Rule network node that tests if a resource is an RDF container, or | |
| 18 * uses multi-attributes to ``contain'' other elements. | |
| 19 */ | |
| 20 class nsRDFConInstanceTestNode : public nsRDFTestNode | |
| 21 { | |
| 22 public: | |
| 23 enum Test { eFalse, eTrue, eDontCare }; | |
| 24 | |
| 25 nsRDFConInstanceTestNode(TestNode* aParent, | |
| 26 nsXULTemplateQueryProcessorRDF* aProcessor, | |
| 27 nsIAtom* aContainerVariable, | |
| 28 Test aContainer, | |
| 29 Test aEmpty); | |
| 30 | |
| 31 virtual nsresult FilterInstantiations(InstantiationSet& aInstantiations, | |
| 32 bool* aCantHandleYet) const MOZ_OVERRIDE; | |
| 33 | |
| 34 virtual bool | |
| 35 CanPropagate(nsIRDFResource* aSource, | |
| 36 nsIRDFResource* aProperty, | |
| 37 nsIRDFNode* aTarget, | |
| 38 Instantiation& aInitialBindings) const MOZ_OVERRIDE; | |
| 39 | |
| 40 virtual void | |
| 41 Retract(nsIRDFResource* aSource, | |
| 42 nsIRDFResource* aProperty, | |
| 43 nsIRDFNode* aTarget) const MOZ_OVERRIDE; | |
| 44 | |
| 45 | |
| 46 class Element : public MemoryElement { | |
| 47 public: | |
| 48 Element(nsIRDFResource* aContainer, | |
| 49 Test aContainerTest, | |
| 50 Test aEmptyTest) | |
| 51 : mContainer(aContainer), | |
| 52 mContainerTest(aContainerTest), | |
| 53 mEmptyTest(aEmptyTest) { | |
| 54 MOZ_COUNT_CTOR(nsRDFConInstanceTestNode::Element); } | |
| 55 | |
| 56 virtual ~Element() { MOZ_COUNT_DTOR(nsRDFConInstanceTestNode::Element); } | |
| 57 | |
| 58 virtual const char* Type() const MOZ_OVERRIDE { | |
| 59 return "nsRDFConInstanceTestNode::Element"; } | |
| 60 | |
| 61 virtual PLHashNumber Hash() const MOZ_OVERRIDE { | |
| 62 return mozilla::HashGeneric(mContainerTest, mEmptyTest, mContainer.get()); | |
| 63 } | |
| 64 | |
| 65 virtual bool Equals(const MemoryElement& aElement) const MOZ_OVERRIDE { | |
| 66 if (aElement.Type() == Type()) { | |
| 67 const Element& element = static_cast<const Element&>(aElement); | |
| 68 return mContainer == element.mContainer | |
| 69 && mContainerTest == element.mContainerTest | |
| 70 && mEmptyTest == element.mEmptyTest; | |
| 71 } | |
| 72 return false; } | |
| 73 | |
| 74 protected: | |
| 75 nsCOMPtr<nsIRDFResource> mContainer; | |
| 76 Test mContainerTest; | |
| 77 Test mEmptyTest; | |
| 78 }; | |
| 79 | |
| 80 protected: | |
| 81 nsXULTemplateQueryProcessorRDF* mProcessor; | |
| 82 nsCOMPtr<nsIAtom> mContainerVariable; | |
| 83 Test mContainer; | |
| 84 Test mEmpty; | |
| 85 }; | |
| 86 | |
| 87 #endif // nsRDFConInstanceTestNode_h__ | |
| 88 |
