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https://github.com/LadybirdBrowser/ladybird.git
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a4d949ff55
Move all the simple bool query methods (is_table_inside, is_table_cell, is_none, is_block_outside, etc.) from Display.cpp into Display.h as inline definitions. These are trivial one-liners called in very hot painting and layout paths. Keep only to_string() and from_short() out-of-line.
113 lines
4.7 KiB
C++
113 lines
4.7 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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#include <LibWeb/CSS/Enums.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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Display Display::from_short(Short short_)
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{
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switch (short_) {
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case Short::None:
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return Display { DisplayBox::None };
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case Short::Contents:
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return Display { DisplayBox::Contents };
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case Short::Block:
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return Display { DisplayOutside::Block, DisplayInside::Flow };
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case Short::Inline:
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return Display { DisplayOutside::Inline, DisplayInside::Flow };
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case Short::Flow:
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return Display { DisplayOutside::Block, DisplayInside::Flow };
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case Short::FlowRoot:
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return Display { DisplayOutside::Block, DisplayInside::FlowRoot };
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case Short::InlineBlock:
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return Display { DisplayOutside::Inline, DisplayInside::FlowRoot };
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case Short::RunIn:
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return Display { DisplayOutside::RunIn, DisplayInside::Flow };
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case Short::ListItem:
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return Display { DisplayOutside::Block, DisplayInside::Flow, ListItem::Yes };
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case Short::InlineListItem:
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return Display { DisplayOutside::Inline, DisplayInside::Flow, ListItem::Yes };
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case Short::Flex:
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return Display { DisplayOutside::Block, DisplayInside::Flex };
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case Short::InlineFlex:
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return Display { DisplayOutside::Inline, DisplayInside::Flex };
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case Short::Grid:
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return Display { DisplayOutside::Block, DisplayInside::Grid };
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case Short::InlineGrid:
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return Display { DisplayOutside::Inline, DisplayInside::Grid };
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case Short::Ruby:
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return Display { DisplayOutside::Inline, DisplayInside::Ruby };
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case Short::Table:
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return Display { DisplayOutside::Block, DisplayInside::Table };
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case Short::InlineTable:
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return Display { DisplayOutside::Inline, DisplayInside::Table };
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case Short::Math:
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// NOTE: The spec ( https://w3c.github.io/mathml-core/#new-display-math-value ) does not
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// mention what the outside value for `display: math` should be.
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// The UA stylesheet does `* { display: block math; }` so let's go with that.
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return Display { DisplayOutside::Block, DisplayInside::Math };
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}
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VERIFY_NOT_REACHED();
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}
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}
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