mirror of
https://github.com/RGBCube/serenity
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67 lines
2.2 KiB
C++
67 lines
2.2 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <LibWeb/DOM/Node.h>
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#include <LibWeb/DOM/Position.h>
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namespace Web::DOM {
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Position::Position(Node& node, unsigned offset)
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: m_node(node)
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, m_offset(offset)
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{
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}
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Position::~Position()
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{
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}
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Range Range::normalized() const
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{
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if (!is_valid())
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return {};
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if (m_start.node() == m_end.node()) {
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if (m_start.offset() <= m_end.offset())
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return *this;
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return { m_end, m_start };
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}
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if (m_start.node()->is_before(*m_end.node()))
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return *this;
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return { m_end, m_start };
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}
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const LogStream& operator<<(const LogStream& stream, const Position& position)
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{
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if (!position.node())
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return stream << "DOM::Position(nullptr, " << position.offset() << ")";
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return stream << "DOM::Position(" << position.node()->node_name() << "{" << position.node() << "}, " << position.offset() << ")";
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}
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}
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