// Copyright 2015 The Chromium Authors. All rights reserved. // Copyright (C) 2019 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: // // * Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // * 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. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived from // this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT // OWNER OR 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 namespace WebCore { enum TabSizeValueType { LengthValueType, SpaceValueType, }; struct TabSize { TabSize(float numOrLength, TabSizeValueType isSpaces = SpaceValueType) : m_value(numOrLength) , m_isSpaces(isSpaces) { } bool isSpaces() const { return m_isSpaces; } float widthInPixels(float spaceWidth) const { return m_isSpaces ? m_value * spaceWidth : m_value; } operator bool() const { return m_value; } float m_value; bool m_isSpaces; }; inline bool operator==(const TabSize& a, const TabSize& b) { return (a.m_value == b.m_value) && (a.m_isSpaces == b.m_isSpaces); } inline bool operator!=(const TabSize& a, const TabSize& b) { return !(a == b); } } // namespace WebCore