/* * Copyright (C) 2020 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ #pragma once #include "Node.h" namespace WebCore { struct BoundaryPoint { Ref<Node> container; unsigned offset { 0 }; BoundaryPoint(Ref<Node>&&, unsigned); Document& document() const; }; bool operator==(const BoundaryPoint&, const BoundaryPoint&); WEBCORE_EXPORT PartialOrdering documentOrder(const BoundaryPoint&, const BoundaryPoint&); WEBCORE_EXPORT Optional<BoundaryPoint> makeBoundaryPointBeforeNode(Node&); WEBCORE_EXPORT Optional<BoundaryPoint> makeBoundaryPointAfterNode(Node&); BoundaryPoint makeBoundaryPointBeforeNodeContents(Node&); BoundaryPoint makeBoundaryPointAfterNodeContents(Node&); inline BoundaryPoint::BoundaryPoint(Ref<Node>&& container, unsigned offset) : container(WTFMove(container)) , offset(offset) { } inline Document& BoundaryPoint::document() const { return container->document(); } inline bool operator==(const BoundaryPoint& a, const BoundaryPoint& b) { return a.container.ptr() == b.container.ptr() && a.offset == b.offset; } inline BoundaryPoint makeBoundaryPointBeforeNodeContents(Node& node) { return { node, 0 }; } inline BoundaryPoint makeBoundaryPointAfterNodeContents(Node& node) { return { node, node.length() }; } }