54 lines
1.8 KiB
C++
54 lines
1.8 KiB
C++
/*
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* Copyright (c) 2020-2021, the SerenityOS developers.
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* Copyright (c) 2021-2023, Sam Atkins <atkinssj@serenityos.org>
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* Copyright (c) 2023, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/NonnullRefPtr.h>
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#include <AK/RefPtr.h>
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#include <LibWeb/CSS/Parser/Token.h>
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#include <LibWeb/Forward.h>
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namespace Web::CSS::Parser {
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// https://www.w3.org/TR/css-syntax-3/#component-value
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class ComponentValue {
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public:
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ComponentValue(Token);
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explicit ComponentValue(NonnullRefPtr<Function>);
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explicit ComponentValue(NonnullRefPtr<Block>);
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~ComponentValue();
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bool is_block() const { return m_value.has<NonnullRefPtr<Block>>(); }
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Block& block() const { return m_value.get<NonnullRefPtr<Block>>(); }
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bool is_function() const { return m_value.has<NonnullRefPtr<Function>>(); }
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bool is_function(StringView name) const;
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Function& function() const { return m_value.get<NonnullRefPtr<Function>>(); }
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bool is_token() const { return m_value.has<Token>(); }
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bool is(Token::Type type) const { return is_token() && token().is(type); }
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bool is_delim(u32 delim) const { return is(Token::Type::Delim) && token().delim() == delim; }
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bool is_ident(StringView ident) const;
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Token const& token() const { return m_value.get<Token>(); }
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operator Token() const { return m_value.get<Token>(); }
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String to_string() const;
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String to_debug_string() const;
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private:
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Variant<Token, NonnullRefPtr<Function>, NonnullRefPtr<Block>> m_value;
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};
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}
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template<>
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struct AK::Formatter<Web::CSS::Parser::ComponentValue> : Formatter<StringView> {
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ErrorOr<void> format(FormatBuilder& builder, Web::CSS::Parser::ComponentValue const& component_value)
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{
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return Formatter<StringView>::format(builder, component_value.to_string());
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}
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};
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