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65 lines
2.3 KiB
C++
65 lines
2.3 KiB
C++
/*
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* Copyright (c) 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/Position.h>
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#include <LibWeb/Layout/LayoutPosition.h>
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#include <LibWeb/Layout/Node.h>
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namespace Web::Layout {
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DOM::Position LayoutPosition::to_dom_position() const
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{
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if (!layout_node)
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return {};
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// FIXME: Verify that there are no shenanigans going on.
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return { const_cast<DOM::Node&>(*layout_node->dom_node()), (unsigned)index_in_node };
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}
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LayoutRange LayoutRange::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.layout_node == m_end.layout_node) {
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if (m_start.index_in_node < m_end.index_in_node)
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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.layout_node->is_before(*m_end.layout_node))
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return *this;
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return { m_end, m_start };
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}
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DOM::Range LayoutRange::to_dom_range() const
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{
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if (!is_valid())
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return {};
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return { m_start.to_dom_position(), m_end.to_dom_position() };
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}
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}
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