88 lines
4 KiB
C++
88 lines
4 KiB
C++
/*
|
||
* Copyright (c) 2020-2021, the SerenityOS developers.
|
||
*
|
||
* SPDX-License-Identifier: BSD-2-Clause
|
||
*/
|
||
|
||
#pragma once
|
||
|
||
#include <AK/NonnullOwnPtrVector.h>
|
||
#include <AK/Vector.h>
|
||
#include <LibWeb/CSS/Parser/AtStyleRule.h>
|
||
#include <LibWeb/CSS/Parser/DeclarationOrAtRule.h>
|
||
#include <LibWeb/CSS/Parser/QualifiedStyleRule.h>
|
||
#include <LibWeb/CSS/Parser/StyleBlockRule.h>
|
||
#include <LibWeb/CSS/Parser/StyleComponentValueRule.h>
|
||
#include <LibWeb/CSS/Parser/StyleDeclarationRule.h>
|
||
#include <LibWeb/CSS/Parser/StyleFunctionRule.h>
|
||
#include <LibWeb/CSS/Parser/Tokenizer.h>
|
||
#include <LibWeb/CSS/Selector.h>
|
||
|
||
namespace Web::CSS {
|
||
|
||
class Parser {
|
||
public:
|
||
Parser(const StringView& input, const String& encoding = "utf-8");
|
||
~Parser();
|
||
|
||
// The normal parser entry point, for parsing stylesheets.
|
||
Vector<QualifiedStyleRule> parse_as_stylesheet();
|
||
// For the content of at-rules such as @media. It differs from "Parse a stylesheet" in the handling of <CDO-token> and <CDC-token>.
|
||
Vector<QualifiedStyleRule> parse_as_list_of_rules();
|
||
// For use by the CSSStyleSheet#insertRule method, and similar functions which might exist, which parse text into a single rule.
|
||
Optional<QualifiedStyleRule> parse_as_rule();
|
||
// Used in @supports conditions. [CSS3-CONDITIONAL]
|
||
Optional<StyleDeclarationRule> parse_as_declaration();
|
||
// For the contents of a style attribute, which parses text into the contents of a single style rule.
|
||
Vector<DeclarationOrAtRule> parse_as_list_of_declarations();
|
||
// For things that need to consume a single value, like the parsing rules for attr().
|
||
Optional<StyleComponentValueRule> parse_as_component_value();
|
||
// 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.
|
||
Vector<StyleComponentValueRule> parse_as_list_of_component_values();
|
||
|
||
Vector<StyleComponentValueRule> parse_as_list_of_comma_separated_component_values();
|
||
|
||
Vector<CSS::Selector::ComplexSelector> parse_selectors(Vector<String> parts);
|
||
|
||
// FIXME: https://www.w3.org/TR/selectors-4/
|
||
Optional<String> parse_a_selector() { return {}; }
|
||
Optional<String> parse_a_relative_selector() { return {}; }
|
||
bool match_a_selector_against_an_element() { return false; }
|
||
bool match_a_selector_against_a_pseudo_element() { return false; }
|
||
bool match_a_selector_against_a_tree() { return false; }
|
||
|
||
// FIXME: https://drafts.csswg.org/css-backgrounds-3/
|
||
static Optional<String> as_valid_background_repeat(String input) { return input; }
|
||
static Optional<String> as_valid_background_attachment(String input) { return input; }
|
||
static Optional<String> as_valid_background_position(String input) { return input; }
|
||
static Optional<String> as_valid_background_clip(String input) { return input; }
|
||
static Optional<String> as_valid_background_origin(String input) { return input; }
|
||
static Optional<String> as_valid_background_size(String input) { return input; }
|
||
static Optional<String> as_valid_border_style(String input) { return input; }
|
||
static Optional<String> as_valid_border_image_repeat(String input) { return input; }
|
||
|
||
void dump_all_tokens();
|
||
|
||
private:
|
||
Token next_token();
|
||
Token peek_token();
|
||
Token current_token();
|
||
void reconsume_current_input_token();
|
||
bool is_combinator(String);
|
||
|
||
Vector<QualifiedStyleRule> consume_a_list_of_rules(bool top_level);
|
||
AtStyleRule consume_an_at_rule();
|
||
Optional<QualifiedStyleRule> consume_a_qualified_rule();
|
||
Vector<DeclarationOrAtRule> consume_a_list_of_declarations();
|
||
Optional<StyleDeclarationRule> consume_a_declaration(Vector<StyleComponentValueRule>);
|
||
Optional<StyleDeclarationRule> consume_a_declaration();
|
||
StyleComponentValueRule consume_a_component_value();
|
||
StyleBlockRule consume_a_simple_block();
|
||
StyleFunctionRule consume_a_function();
|
||
|
||
Tokenizer m_tokenizer;
|
||
Vector<Token> m_tokens;
|
||
int m_iterator_offset { -1 };
|
||
};
|
||
|
||
}
|