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-rw-r--r--dom/xul/templates/nsRDFPropertyTestNode.h104
1 files changed, 104 insertions, 0 deletions
diff --git a/dom/xul/templates/nsRDFPropertyTestNode.h b/dom/xul/templates/nsRDFPropertyTestNode.h
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+++ b/dom/xul/templates/nsRDFPropertyTestNode.h
@@ -0,0 +1,104 @@
+/* -*- 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 nsRDFPropertyTestNode_h__
+#define nsRDFPropertyTestNode_h__
+
+#include "mozilla/Attributes.h"
+#include "nscore.h"
+#include "nsRDFTestNode.h"
+#include "nsIRDFDataSource.h"
+#include "nsIRDFResource.h"
+#include "nsXULTemplateQueryProcessorRDF.h"
+
+class nsRDFPropertyTestNode : public nsRDFTestNode
+{
+public:
+ /**
+ * Both source and target unbound (?source ^property ?target)
+ */
+ nsRDFPropertyTestNode(TestNode* aParent,
+ nsXULTemplateQueryProcessorRDF* aProcessor,
+ nsIAtom* aSourceVariable,
+ nsIRDFResource* aProperty,
+ nsIAtom* aTargetVariable);
+
+ /**
+ * Source bound, target unbound (source ^property ?target)
+ */
+ nsRDFPropertyTestNode(TestNode* aParent,
+ nsXULTemplateQueryProcessorRDF* aProcessor,
+ nsIRDFResource* aSource,
+ nsIRDFResource* aProperty,
+ nsIAtom* aTargetVariable);
+
+ /**
+ * Source unbound, target bound (?source ^property target)
+ */
+ nsRDFPropertyTestNode(TestNode* aParent,
+ nsXULTemplateQueryProcessorRDF* aProcessor,
+ nsIAtom* aSourceVariable,
+ nsIRDFResource* aProperty,
+ nsIRDFNode* aTarget);
+
+ virtual nsresult FilterInstantiations(InstantiationSet& aInstantiations,
+ bool* aCantHandleYet) const override;
+
+ virtual bool
+ CanPropagate(nsIRDFResource* aSource,
+ nsIRDFResource* aProperty,
+ nsIRDFNode* aTarget,
+ Instantiation& aInitialBindings) const override;
+
+ virtual void
+ Retract(nsIRDFResource* aSource,
+ nsIRDFResource* aProperty,
+ nsIRDFNode* aTarget) const override;
+
+
+ class Element : public MemoryElement {
+ public:
+ Element(nsIRDFResource* aSource,
+ nsIRDFResource* aProperty,
+ nsIRDFNode* aTarget)
+ : mSource(aSource),
+ mProperty(aProperty),
+ mTarget(aTarget) {
+ MOZ_COUNT_CTOR(nsRDFPropertyTestNode::Element); }
+
+ virtual ~Element() { MOZ_COUNT_DTOR(nsRDFPropertyTestNode::Element); }
+
+ virtual const char* Type() const override {
+ return "nsRDFPropertyTestNode::Element"; }
+
+ virtual PLHashNumber Hash() const override {
+ return mozilla::HashGeneric(mSource.get(), mProperty.get(), mTarget.get());
+ }
+
+ virtual bool Equals(const MemoryElement& aElement) const override {
+ if (aElement.Type() == Type()) {
+ const Element& element = static_cast<const Element&>(aElement);
+ return mSource == element.mSource
+ && mProperty == element.mProperty
+ && mTarget == element.mTarget;
+ }
+ return false; }
+
+ protected:
+ nsCOMPtr<nsIRDFResource> mSource;
+ nsCOMPtr<nsIRDFResource> mProperty;
+ nsCOMPtr<nsIRDFNode> mTarget;
+ };
+
+protected:
+ nsXULTemplateQueryProcessorRDF* mProcessor;
+ nsCOMPtr<nsIAtom> mSourceVariable;
+ nsCOMPtr<nsIRDFResource> mSource;
+ nsCOMPtr<nsIRDFResource> mProperty;
+ nsCOMPtr<nsIAtom> mTargetVariable;
+ nsCOMPtr<nsIRDFNode> mTarget;
+};
+
+#endif // nsRDFPropertyTestNode_h__