ladybird/Userland/Libraries/LibWeb/CSS/Parser/StyleComponentValueRule.h
Sam Atkins 218a9af6b3 LibWeb: Make StyleComponentValueRule use a Variant
This shrinks its size from 96 bytes to 80. It's now limited by the size
of Token.
2022-03-22 15:47:36 +01:00

45 lines
1.4 KiB
C++

/*
* Copyright (c) 2020-2021, the SerenityOS developers.
* Copyright (c) 2021-2022, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/NonnullRefPtr.h>
#include <AK/RefPtr.h>
#include <LibWeb/CSS/Parser/Token.h>
namespace Web::CSS {
class StyleBlockRule;
class StyleFunctionRule;
class StyleComponentValueRule {
friend class Parser;
public:
StyleComponentValueRule(Token);
explicit StyleComponentValueRule(NonnullRefPtr<StyleFunctionRule>);
explicit StyleComponentValueRule(NonnullRefPtr<StyleBlockRule>);
~StyleComponentValueRule();
bool is_block() const { return m_value.has<NonnullRefPtr<StyleBlockRule>>(); }
StyleBlockRule const& block() const { return m_value.get<NonnullRefPtr<StyleBlockRule>>(); }
bool is_function() const { return m_value.has<NonnullRefPtr<StyleFunctionRule>>(); }
StyleFunctionRule const& function() const { return m_value.get<NonnullRefPtr<StyleFunctionRule>>(); }
bool is_token() const { return m_value.has<Token>(); }
bool is(Token::Type type) const { return is_token() && token().is(type); }
Token const& token() const { return m_value.get<Token>(); }
operator Token() const { return m_value.get<Token>(); }
String to_string() const;
String to_debug_string() const;
private:
Variant<Token, NonnullRefPtr<StyleFunctionRule>, NonnullRefPtr<StyleBlockRule>> m_value;
};
}