1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
8 * Implementation of a generic filtered iterator over nodes.
11 #ifndef mozilla_dom_FilteredNodeIterator_h
12 #define mozilla_dom_FilteredNodeIterator_h
16 namespace mozilla::dom
{
18 template <typename T
, typename Iter
>
19 class FilteredNodeIterator
: public Iter
{
21 explicit FilteredNodeIterator(const nsINode
& aNode
) : Iter(aNode
) {
25 FilteredNodeIterator
& begin() { return *this; }
33 using Iter::operator!=;
36 nsINode
* node
= Iter::operator*();
37 MOZ_ASSERT(!node
|| T::FromNode(node
));
38 return static_cast<T
*>(node
);
44 nsINode
* node
= Iter::operator*();
45 if (!node
|| T::FromNode(node
)) {
52 FilteredNodeIterator() : Iter() {}
55 } // namespace mozilla::dom
57 #endif // mozilla_dom_FilteredNodeIterator.h