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LibWeb: Convert CSS::Parser methods to return desired types

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This is very much stubbed out for now. Most notably is
Parser::convert_rule() where most of the conversion will happen
from the parser's internal rule classes to CSSRule and its children.
This commit is contained in:
Sam Atkins 2021-07-09 16:34:29 +01:00 • committed by Andreas Kling
parent f9ffa34622
commit caff7fff94
2 changed files with 59 additions and 25 deletions
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17
Userland/Libraries/LibWeb/CSS/Parser/Parser.h
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@ -21,21 +21,26 @@
namespace Web::CSS {
class CSSStyleSheet;
class CSSRule;
class CSSStyleRule;
struct StyleProperty;
class Parser {
public:
Parser(const StringView& input, const String& encoding = "utf-8");
~Parser();
// The normal parser entry point, for parsing stylesheets.
NonnullRefPtrVector<QualifiedStyleRule> parse_as_stylesheet();
NonnullRefPtr<CSSStyleSheet> 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>.
NonnullRefPtrVector<QualifiedStyleRule> parse_as_list_of_rules();
NonnullRefPtrVector<CSSRule> 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.
RefPtr<QualifiedStyleRule> parse_as_rule();
RefPtr<CSSRule> parse_as_rule();
// Used in @supports conditions. [CSS3-CONDITIONAL]
Optional<StyleDeclarationRule> parse_as_declaration();
Optional<StyleProperty> 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();
Vector<StyleProperty> 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.
@ -80,6 +85,8 @@ private:
NonnullRefPtr<StyleBlockRule> consume_a_simple_block();
NonnullRefPtr<StyleFunctionRule> consume_a_function();
RefPtr<CSSRule> convert_rule(NonnullRefPtr<QualifiedStyleRule>);
Tokenizer m_tokenizer;
Vector<Token> m_tokens;
int m_iterator_offset { -1 };