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ce23efc5f6
The spec just says to follow "most backwards-compatible, then shortest" when serializing these (and it does so in a very hand-wavy fashion). By omitting some keywords when they are implied, we end up matching other engines and pass a bunch of WPT tests.
66 lines
2.6 KiB
C++
66 lines
2.6 KiB
C++
/*
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* Copyright (c) 2022, Andreas Kling <andreas@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/CSS/Display.h>
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namespace Web::CSS {
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String Display::to_string() const
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{
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StringBuilder builder;
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switch (m_type) {
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case Type::OutsideAndInside:
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// NOTE: Following the precedence rules of “most backwards-compatible, then shortest”,
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// serialization of equivalent display values uses the “Short display” column.
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if (*this == Display::from_short(Display::Short::Block))
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return "block"_string;
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if (*this == Display::from_short(Display::Short::FlowRoot))
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return "flow-root"_string;
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if (*this == Display::from_short(Display::Short::Inline))
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return "inline"_string;
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if (*this == Display::from_short(Display::Short::InlineBlock))
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return "inline-block"_string;
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if (*this == Display::from_short(Display::Short::RunIn))
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return "run-in"_string;
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if (*this == Display::from_short(Display::Short::ListItem))
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return "list-item"_string;
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if (*this == Display::from_short(Display::Short::Flex))
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return "flex"_string;
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if (*this == Display::from_short(Display::Short::InlineFlex))
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return "inline-flex"_string;
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if (*this == Display::from_short(Display::Short::Grid))
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return "grid"_string;
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if (*this == Display::from_short(Display::Short::InlineGrid))
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return "inline-grid"_string;
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if (*this == Display::from_short(Display::Short::Ruby))
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return "ruby"_string;
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if (*this == Display::from_short(Display::Short::Table))
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return "table"_string;
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if (*this == Display::from_short(Display::Short::InlineTable))
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return "inline-table"_string;
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{
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Vector<StringView, 3> parts;
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if (!(m_value.outside_inside.outside == DisplayOutside::Block && m_value.outside_inside.inside == DisplayInside::FlowRoot))
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parts.append(CSS::to_string(m_value.outside_inside.outside));
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if (m_value.outside_inside.inside != DisplayInside::Flow)
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parts.append(CSS::to_string(m_value.outside_inside.inside));
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if (m_value.outside_inside.list_item == ListItem::Yes)
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parts.append("list-item"sv);
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builder.join(' ', parts);
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}
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break;
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case Type::Internal:
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builder.append(CSS::to_string(m_value.internal));
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break;
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case Type::Box:
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builder.append(CSS::to_string(m_value.box));
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break;
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};
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return MUST(builder.to_string());
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}
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}
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