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LibWeb: Parse grid-template-areas property using TokenStream

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Sam Atkins 2023-12-07 21:08:06 +00:00 committed by Sam Atkins
parent b569ab72e8
commit 29ecb2eda6
Notes: sideshowbarker 2024-07-17 09:37:30 +09:00 
Author: https://github.com/AtkinsSJ
Commit: https://github.com/SerenityOS/serenity/commit/29ecb2eda6
Pull-request: https://github.com/SerenityOS/serenity/pull/22200
2 changed files with 22 additions and 13 deletions
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33
Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
View File

@ -5557,7 +5557,8 @@ RefPtr<StyleValue> Parser::parse_grid_track_size_list_shorthand_value(PropertyID
template_columns_tokens.append(component_values[x]);
}
auto parsed_template_areas_values = parse_grid_template_areas_value(template_area_tokens);
TokenStream template_area_token_stream { template_area_tokens };
auto parsed_template_areas_values = parse_grid_template_areas_value(template_area_token_stream);
auto parsed_template_rows_values = parse_grid_track_size_list(template_rows_tokens, true);
auto parsed_template_columns_values = parse_grid_track_size_list(template_columns_tokens);
return ShorthandStyleValue::create(property_id,
@ -5651,19 +5652,27 @@ RefPtr<StyleValue> Parser::parse_grid_shorthand_value(Vector<ComponentValue> con
return parse_grid_track_size_list_shorthand_value(PropertyID::Grid, component_value);
}
RefPtr<StyleValue> Parser::parse_grid_template_areas_value(Vector<ComponentValue> const& component_values)
// https://www.w3.org/TR/css-grid-1/#grid-template-areas-property
RefPtr<StyleValue> Parser::parse_grid_template_areas_value(TokenStream<ComponentValue>& tokens)
{
// none | <string>+
Vector<Vector<String>> grid_area_rows;
for (auto& component_value : component_values) {
if (contains_single_none_ident(tokens)) {
(void)tokens.next_token(); // none
return GridTemplateAreaStyleValue::create(move(grid_area_rows));
}
auto transaction = tokens.begin_transaction();
while (tokens.has_next_token() && tokens.peek_token().is(Token::Type::String)) {
Vector<String> grid_area_columns;
if (component_value.is(Token::Type::String)) {
auto const parts = MUST(MUST(String::from_utf8(component_value.token().string())).split(' '));
for (auto& part : parts) {
grid_area_columns.append(part);
}
auto const parts = MUST(MUST(String::from_utf8(tokens.next_token().token().string())).split(' '));
for (auto& part : parts) {
grid_area_columns.append(part);
}
grid_area_rows.append(move(grid_area_columns));
}
transaction.commit();
return GridTemplateAreaStyleValue::create(grid_area_rows);
}
@ -5831,10 +5840,6 @@ Parser::ParseErrorOr<NonnullRefPtr<StyleValue>> Parser::parse_css_value(Property
if (auto parsed_value = parse_grid_auto_flow_value(tokens); parsed_value && !tokens.has_next_token())
return parsed_value.release_nonnull();
return ParseError::SyntaxError;
case PropertyID::GridTemplateAreas:
if (auto parsed_value = parse_grid_template_areas_value(component_values))
return parsed_value.release_nonnull();
return ParseError::SyntaxError;
case PropertyID::GridColumn:
if (auto parsed_value = parse_grid_track_placement_shorthand_value(property_id, tokens); parsed_value && !tokens.has_next_token())
return parsed_value.release_nonnull();
@ -5867,6 +5872,10 @@ Parser::ParseErrorOr<NonnullRefPtr<StyleValue>> Parser::parse_css_value(Property
if (auto parsed_value = parse_grid_track_size_list_shorthand_value(property_id, component_values))
return parsed_value.release_nonnull();
return ParseError::SyntaxError;
case PropertyID::GridTemplateAreas:
if (auto parsed_value = parse_grid_template_areas_value(tokens); parsed_value && !tokens.has_next_token())
return parsed_value.release_nonnull();
return ParseError::SyntaxError;
case PropertyID::GridTemplateColumns:
if (auto parsed_value = parse_grid_track_size_list(component_values))
return parsed_value.release_nonnull();

2
Userland/Libraries/LibWeb/CSS/Parser/Parser.h
View File

@ -264,7 +264,7 @@ private:
RefPtr<StyleValue> parse_grid_track_size_list_shorthand_value(PropertyID, Vector<ComponentValue> const&);
RefPtr<StyleValue> parse_grid_track_placement(Vector<ComponentValue> const&);
RefPtr<StyleValue> parse_grid_track_placement_shorthand_value(PropertyID, TokenStream<ComponentValue>&);
RefPtr<StyleValue> parse_grid_template_areas_value(Vector<ComponentValue> const&);
RefPtr<StyleValue> parse_grid_template_areas_value(TokenStream<ComponentValue>&);
RefPtr<StyleValue> parse_grid_area_shorthand_value(TokenStream<ComponentValue>&);
RefPtr<StyleValue> parse_grid_shorthand_value(Vector<ComponentValue> const&);