ladybird/Libraries/LibWeb/CSS/Parser/ComponentValue.h
Sam Atkins 77308d8a5e LibWeb/CSS: VERIFY() that we don't call is_delim() incorrectly
This has bitten me too many times and it is non-intuitive to debug. So
let's make it very clear that something is wrong!
2026-04-10 15:00:58 +01:00

66 lines
2.1 KiB
C++

/*
* Copyright (c) 2020-2021, the SerenityOS developers.
* Copyright (c) 2021-2025, Sam Atkins <sam@ladybird.org>
* Copyright (c) 2023, Andreas Kling <andreas@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/NonnullRefPtr.h>
#include <AK/RefPtr.h>
#include <LibWeb/CSS/Parser/Token.h>
#include <LibWeb/CSS/Parser/Types.h>
#include <LibWeb/Export.h>
namespace Web::CSS::Parser {
// https://drafts.csswg.org/css-syntax/#component-value
class WEB_API ComponentValue {
AK_MAKE_DEFAULT_COPYABLE(ComponentValue);
AK_MAKE_DEFAULT_MOVABLE(ComponentValue);
public:
ComponentValue(Token);
explicit ComponentValue(Function&&);
explicit ComponentValue(SimpleBlock&&);
explicit ComponentValue(GuaranteedInvalidValue&&);
~ComponentValue();
bool is_block() const { return m_value.has<SimpleBlock>(); }
SimpleBlock const& block() const { return m_value.get<SimpleBlock>(); }
bool is_function() const { return m_value.has<Function>(); }
bool is_function(StringView name) const;
Function const& function() const { return m_value.get<Function>(); }
bool is_token() const { return m_value.has<Token>(); }
bool is(Token::Type type) const { return is_token() && token().is(type); }
bool is_delim(u32 delim) const;
bool is_ident(StringView ident) const;
Token const& token() const { return m_value.get<Token>(); }
operator Token() const { return m_value.get<Token>(); }
bool is_guaranteed_invalid() const { return m_value.has<GuaranteedInvalidValue>(); }
bool contains_guaranteed_invalid_value() const;
String to_string() const;
String to_debug_string() const;
String original_source_text() const;
bool operator==(ComponentValue const&) const = default;
private:
Variant<Token, Function, SimpleBlock, GuaranteedInvalidValue> m_value;
};
}
template<>
struct AK::Formatter<Web::CSS::Parser::ComponentValue> : Formatter<StringView> {
ErrorOr<void> format(FormatBuilder& builder, Web::CSS::Parser::ComponentValue const& component_value)
{
return Formatter<StringView>::format(builder, component_value.to_string());
}
};