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/*
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Assertions.h>
namespace Web::CSS {
class Display {
public:
Display() = default;
~Display() = default;
bool operator==(Display const& other) const
{
if (m_type != other.m_type)
return false;
switch (m_type) {
case Type::Box:
return m_value.box == other.m_value.box;
case Type::Internal:
return m_value.internal == other.m_value.internal;
case Type::OutsideAndInside:
return m_value.outside_inside.outside == other.m_value.outside_inside.outside
&& m_value.outside_inside.inside == other.m_value.outside_inside.inside
&& m_value.outside_inside.list_item == other.m_value.outside_inside.list_item;
}
VERIFY_NOT_REACHED();
}
bool operator!=(Display const& other) const { return !(*this == other); }
enum class Outside {
Block,
Inline,
RunIn,
};
enum class Inside {
Flow,
FlowRoot,
Table,
Flex,
Grid,
Ruby,
};
enum class Internal {
TableRowGroup,
TableHeaderGroup,
TableFooterGroup,
TableRow,
TableCell,
TableColumnGroup,
TableColumn,
TableCaption,
RubyBase,
RubyText,
RubyBaseContainer,
RubyTextContainer,
};
enum class Box {
Contents,
None,
};
enum class Type {
OutsideAndInside,
Internal,
Box,
};
bool is_internal() const { return m_type == Type::Internal; }
Internal internal() const
{
VERIFY(is_internal());
return m_value.internal;
}
bool is_table_column() const { return is_internal() && internal() == Internal::TableColumn; }
bool is_table_row_group() const { return is_internal() && internal() == Internal::TableRowGroup; }
bool is_table_header_group() const { return is_internal() && internal() == Internal::TableHeaderGroup; }
bool is_table_footer_group() const { return is_internal() && internal() == Internal::TableFooterGroup; }
bool is_table_row() const { return is_internal() && internal() == Internal::TableRow; }
bool is_table_cell() const { return is_internal() && internal() == Internal::TableCell; }
bool is_table_column_group() const { return is_internal() && internal() == Internal::TableColumnGroup; }
bool is_table_caption() const { return is_internal() && internal() == Internal::TableCaption; }
bool is_none() const { return m_type == Type::Box && m_value.box == Box::None; }
bool is_contents() const { return m_type == Type::Box && m_value.box == Box::Contents; }
Type type() const { return m_type; }
bool it_outside_and_inside() const { return m_type == Type::OutsideAndInside; }
Outside outside() const
{
VERIFY(it_outside_and_inside());
return m_value.outside_inside.outside;
}
bool is_block_outside() const { return it_outside_and_inside() && outside() == Outside::Block; }
bool is_inline_outside() const { return it_outside_and_inside() && outside() == Outside::Inline; }
bool is_list_item() const { return it_outside_and_inside() && m_value.outside_inside.list_item == ListItem::Yes; }
Inside inside() const
{
VERIFY(it_outside_and_inside());
return m_value.outside_inside.inside;
}
bool is_flow_inside() const { return it_outside_and_inside() && inside() == Inside::Flow; }
bool is_flow_root_inside() const { return it_outside_and_inside() && inside() == Inside::FlowRoot; }
bool is_table_inside() const { return it_outside_and_inside() && inside() == Inside::Table; }
bool is_flex_inside() const { return it_outside_and_inside() && inside() == Inside::Flex; }
bool is_grid_inside() const { return it_outside_and_inside() && inside() == Inside::Grid; }
bool is_ruby_inside() const { return it_outside_and_inside() && inside() == Inside::Ruby; }
enum class Short {
None,
Contents,
Block,
FlowRoot,
Inline,
InlineBlock,
RunIn,
ListItem,
InlineListItem,
Flex,
InlineFlex,
Grid,
InlineGrid,
Ruby,
BlockRuby,
Table,
InlineTable,
};
enum class ListItem {
No,
Yes,
};
static Display from_short(Short short_)
{
switch (short_) {
case Short::None:
return Display { Box::None };
case Short::Contents:
return Display { Box::Contents };
case Short::Block:
return Display { Outside::Block, Inside::Flow };
case Short::FlowRoot:
return Display { Outside::Block, Inside::FlowRoot };
case Short::Inline:
return Display { Outside::Inline, Inside::Flow };
case Short::InlineBlock:
return Display { Outside::Inline, Inside::FlowRoot };
case Short::RunIn:
return Display { Outside::RunIn, Inside::Flow };
case Short::ListItem:
return Display { Outside::Block, Inside::Flow, ListItem::Yes };
case Short::InlineListItem:
return Display { Outside::Inline, Inside::Flow, ListItem::Yes };
case Short::Flex:
return Display { Outside::Block, Inside::Flex };
case Short::InlineFlex:
return Display { Outside::Inline, Inside::Flex };
case Short::Grid:
return Display { Outside::Block, Inside::Grid };
case Short::InlineGrid:
return Display { Outside::Inline, Inside::Grid };
case Short::Ruby:
return Display { Outside::Inline, Inside::Ruby };
case Short::BlockRuby:
return Display { Outside::Block, Inside::Ruby };
case Short::Table:
return Display { Outside::Block, Inside::Table };
case Short::InlineTable:
return Display { Outside::Inline, Inside::Table };
}
VERIFY_NOT_REACHED();
}
Display(Outside outside, Inside inside)
: m_type(Type::OutsideAndInside)
{
m_value.outside_inside = {
.outside = outside,
.inside = inside,
.list_item = ListItem::No,
};
}
Display(Outside outside, Inside inside, ListItem list_item)
: m_type(Type::OutsideAndInside)
{
m_value.outside_inside = {
.outside = outside,
.inside = inside,
.list_item = list_item,
};
}
explicit Display(Internal internal)
: m_type(Type::Internal)
{
m_value.internal = internal;
}
explicit Display(Box box)
: m_type(Type::Box)
{
m_value.box = box;
}
private:
Type m_type {};
union {
struct {
Outside outside;
Inside inside;
ListItem list_item;
} outside_inside;
Internal internal;
Box box;
} m_value {};
};
}
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