зеркало из https://github.com/mozilla/gecko-dev.git
50 строки
1.5 KiB
C++
50 строки
1.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* 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 mozilla_dom_TreeOrderedArrayInlines_h
|
|
#define mozilla_dom_TreeOrderedArrayInlines_h
|
|
|
|
#include "mozilla/dom/TreeOrderedArray.h"
|
|
#include "mozilla/BinarySearch.h"
|
|
#include "nsContentUtils.h"
|
|
#include <type_traits>
|
|
|
|
namespace mozilla::dom {
|
|
|
|
template <typename Node>
|
|
size_t TreeOrderedArray<Node>::Insert(Node& aNode, nsINode* aCommonAncestor) {
|
|
static_assert(std::is_base_of_v<nsINode, Node>, "Should be a node");
|
|
|
|
if (mList.IsEmpty()) {
|
|
mList.AppendElement(&aNode);
|
|
return 0;
|
|
}
|
|
|
|
struct PositionComparator {
|
|
Node& mNode;
|
|
nsINode* mCommonAncestor;
|
|
PositionComparator(Node& aNode, nsINode* aCommonAncestor)
|
|
: mNode(aNode), mCommonAncestor(aCommonAncestor) {}
|
|
|
|
int operator()(void* aNode) const {
|
|
auto* curNode = static_cast<Node*>(aNode);
|
|
MOZ_DIAGNOSTIC_ASSERT(curNode != &mNode,
|
|
"Tried to insert a node already in the list");
|
|
return nsContentUtils::CompareTreePosition<TreeKind::DOM>(
|
|
&mNode, curNode, mCommonAncestor);
|
|
}
|
|
};
|
|
|
|
size_t idx;
|
|
BinarySearchIf(mList, 0, mList.Length(),
|
|
PositionComparator(aNode, aCommonAncestor), &idx);
|
|
mList.InsertElementAt(idx, &aNode);
|
|
return idx;
|
|
}
|
|
|
|
} // namespace mozilla::dom
|
|
#endif
|