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cbd5883ebb
Differential Revision: https://phabricator.services.mozilla.com/D25756 --HG-- extra : moz-landing-system : lando
42 lines
1.2 KiB
C++
42 lines
1.2 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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#ifndef mozilla_dom_TreeOrderedArray_h
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#define mozilla_dom_TreeOrderedArray_h
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#include "nsTArray.h"
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namespace mozilla {
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namespace dom {
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// A sorted tree-ordered list of raw pointers to nodes.
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template <typename Node>
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class TreeOrderedArray {
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public:
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operator const nsTArray<Node*>&() const { return mList; }
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const nsTArray<Node*>* operator->() const { return &mList; }
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// Inserts a node into the list, and returns the new index in the array.
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//
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// All the nodes in the list should be in the same subtree, and debug builds
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// assert this.
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//
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// It's also forbidden to call Insert() with the same node multiple times, and
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// it will assert as well.
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inline size_t Insert(Node&);
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bool RemoveElement(Node& aNode) { return mList.RemoveElement(&aNode); }
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private:
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AutoTArray<Node*, 1> mList;
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};
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} // namespace dom
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} // namespace mozilla
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#endif
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