mirror of
https://github.com/RGBCube/serenity
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89bfde29dc
Previously these were all passed around by value, but some of them (StyleComponentValueRule and StyleBlockRule) want to include each other as fields, so this had to change.
89 lines
4.1 KiB
C++
89 lines
4.1 KiB
C++
/*
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* Copyright (c) 2020-2021, the SerenityOS developers.
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* Copyright (c) 2021, Sam Atkins <atkinssj@gmail.com>
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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/NonnullOwnPtrVector.h>
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#include <AK/Vector.h>
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#include <LibWeb/CSS/Parser/AtStyleRule.h>
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#include <LibWeb/CSS/Parser/DeclarationOrAtRule.h>
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#include <LibWeb/CSS/Parser/QualifiedStyleRule.h>
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#include <LibWeb/CSS/Parser/StyleBlockRule.h>
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#include <LibWeb/CSS/Parser/StyleComponentValueRule.h>
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#include <LibWeb/CSS/Parser/StyleDeclarationRule.h>
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#include <LibWeb/CSS/Parser/StyleFunctionRule.h>
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#include <LibWeb/CSS/Parser/Tokenizer.h>
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#include <LibWeb/CSS/Selector.h>
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namespace Web::CSS {
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class Parser {
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public:
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Parser(const StringView& input, const String& encoding = "utf-8");
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~Parser();
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// The normal parser entry point, for parsing stylesheets.
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Vector<QualifiedStyleRule> parse_as_stylesheet();
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// For the content of at-rules such as @media. It differs from "Parse a stylesheet" in the handling of <CDO-token> and <CDC-token>.
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Vector<QualifiedStyleRule> parse_as_list_of_rules();
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// For use by the CSSStyleSheet#insertRule method, and similar functions which might exist, which parse text into a single rule.
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Optional<QualifiedStyleRule> parse_as_rule();
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// Used in @supports conditions. [CSS3-CONDITIONAL]
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Optional<StyleDeclarationRule> parse_as_declaration();
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// For the contents of a style attribute, which parses text into the contents of a single style rule.
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Vector<DeclarationOrAtRule> parse_as_list_of_declarations();
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// For things that need to consume a single value, like the parsing rules for attr().
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Optional<StyleComponentValueRule> parse_as_component_value();
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// For the contents of presentational attributes, which parse text into a single declaration’s value, or for parsing a stand-alone selector [SELECT] or list of Media Queries [MEDIAQ], as in Selectors API or the media HTML attribute.
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Vector<StyleComponentValueRule> parse_as_list_of_component_values();
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Vector<StyleComponentValueRule> parse_as_list_of_comma_separated_component_values();
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Vector<CSS::Selector::ComplexSelector> parse_selectors(Vector<StyleComponentValueRule> parts);
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// FIXME: https://www.w3.org/TR/selectors-4/
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Optional<String> parse_a_selector() { return {}; }
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Optional<String> parse_a_relative_selector() { return {}; }
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bool match_a_selector_against_an_element() { return false; }
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bool match_a_selector_against_a_pseudo_element() { return false; }
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bool match_a_selector_against_a_tree() { return false; }
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// FIXME: https://drafts.csswg.org/css-backgrounds-3/
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static Optional<String> as_valid_background_repeat(String input) { return input; }
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static Optional<String> as_valid_background_attachment(String input) { return input; }
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static Optional<String> as_valid_background_position(String input) { return input; }
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static Optional<String> as_valid_background_clip(String input) { return input; }
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static Optional<String> as_valid_background_origin(String input) { return input; }
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static Optional<String> as_valid_background_size(String input) { return input; }
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static Optional<String> as_valid_border_style(String input) { return input; }
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static Optional<String> as_valid_border_image_repeat(String input) { return input; }
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void dump_all_tokens();
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private:
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Token next_token();
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Token peek_token();
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Token current_token();
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void reconsume_current_input_token();
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bool is_combinator(String);
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Vector<QualifiedStyleRule> consume_a_list_of_rules(bool top_level);
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AtStyleRule consume_an_at_rule();
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Optional<QualifiedStyleRule> consume_a_qualified_rule();
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Vector<DeclarationOrAtRule> consume_a_list_of_declarations();
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Optional<StyleDeclarationRule> consume_a_declaration(Vector<StyleComponentValueRule>);
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Optional<StyleDeclarationRule> consume_a_declaration();
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StyleComponentValueRule consume_a_component_value();
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NonnullRefPtr<StyleBlockRule> consume_a_simple_block();
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NonnullRefPtr<StyleFunctionRule> consume_a_function();
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Tokenizer m_tokenizer;
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Vector<Token> m_tokens;
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int m_iterator_offset { -1 };
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};
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}
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