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49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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/*
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* Implementation of DOM Traversal's nsIDOMTreeWalker
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*/
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#ifndef nsTraversal_h___
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#define nsTraversal_h___
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#include "nsCOMPtr.h"
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#include "nsIDocument.h" // for NodeFilterHolder
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#include "mozilla/dom/CallbackObject.h"
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#include "mozilla/ErrorResult.h"
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#include "mozilla/dom/NodeFilterBinding.h"
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#include "nsIDOMNodeFilter.h"
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class nsINode;
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class nsTraversal
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{
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public:
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nsTraversal(nsINode *aRoot,
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uint32_t aWhatToShow,
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const mozilla::dom::NodeFilterHolder &aFilter);
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virtual ~nsTraversal();
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protected:
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nsCOMPtr<nsINode> mRoot;
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uint32_t mWhatToShow;
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mozilla::dom::NodeFilterHolder mFilter;
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bool mInAcceptNode;
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/*
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* Tests if and how a node should be filtered. Uses mWhatToShow and
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* mFilter to test the node.
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* @param aNode Node to test
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* @param aResult Whether we succeeded
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* @returns Filtervalue. See nsIDOMNodeFilter.idl
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*/
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int16_t TestNode(nsINode* aNode, mozilla::ErrorResult& aResult);
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};
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#endif
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