| // 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 |